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%(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - EnableFastChecks - EnableFastChecks - Disabled - Disabled - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - EnableFastChecks - EnableFastChecks - Disabled - Disabled - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - EnableFastChecks - EnableFastChecks - MaxSpeed - MaxSpeed - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - MaxSpeed - MaxSpeed - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - MaxSpeed - MaxSpeed - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - - - Disabled - Disabled - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - EnableFastChecks - EnableFastChecks - Disabled - Disabled - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - EnableFastChecks - EnableFastChecks - Disabled - Disabled - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - EnableFastChecks - EnableFastChecks - MaxSpeed - MaxSpeed - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - MaxSpeed - MaxSpeed - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - MaxSpeed - MaxSpeed - %(AdditionalIncludeDirectories) - %(AdditionalIncludeDirectories) - %(PreprocessorDefinitions) - %(PreprocessorDefinitions) - - - - - - - - - - - - - - \ No newline at end of file diff --git a/.github/workflows/submit.yml b/.github/workflows/submit.yml index 23000e784f4..a21af1172f5 100644 --- a/.github/workflows/submit.yml +++ b/.github/workflows/submit.yml @@ -725,13 +725,6 @@ jobs: with: path: jdk - - name: Checkout the FreeType source - uses: actions/checkout@v4 - with: - repository: "freetype/freetype" - ref: VER-2-8-1 - path: freetype - - name: Restore boot JDK from cache id: bootjdk uses: actions/cache@v4 @@ -798,18 +791,11 @@ jobs: - name: Fix OpenJDK permissions run: bash -c "chmod -R 0777 jdk" - - name: Copy FreeType project file - run: > - Remove-Item "$env:GITHUB_WORKSPACE\freetype\builds\windows\vc2010\freetype.vcxproj" ; - Copy-Item -Path "$env:GITHUB_WORKSPACE\jdk\.github\workflows\freetype.vcxproj" - -Destination "$env:GITHUB_WORKSPACE\freetype\builds\windows\vc2010\freetype.vcxproj" ; - - name: Configure run: > $env:Path = "$HOME\cygwin\cygwin64\bin;$HOME\cygwin\cygwin64\bin;$env:Path" ; $env:Path = $env:Path -split ";" -match "C:\\Windows|PowerShell|cygwin" -join ";" ; $env:BOOT_JDK = cygpath "$HOME/bootjdk/$env:BOOT_JDK_VERSION" ; - $env:FREETYPE_HOME = "$env:GITHUB_WORKSPACE\freetype" ; $env:JT_HOME = cygpath "$HOME/jtreg" ; & bash configure --with-toolchain-version=2017 @@ -818,7 +804,6 @@ jobs: --with-user-release-suffix="$env:GITHUB_ACTOR-$env:GITHUB_SHA" --with-build-number=b00 --with-boot-jdk="$env:BOOT_JDK" - --with-freetype-src="$env:FREETYPE_HOME" --with-jtreg="$env:JT_HOME" ; bash -c "cat $(find -name config.log)" working-directory: jdk @@ -906,13 +891,6 @@ jobs: with: path: jdk - - name: Checkout the FreeType source - uses: actions/checkout@v4 - with: - repository: "freetype/freetype" - ref: VER-2-8-1 - path: freetype - - name: Restore boot JDK from cache id: bootjdk uses: actions/cache@v4 @@ -970,18 +948,11 @@ jobs: - name: Fix OpenJDK permissions run: bash -c "chmod -R 0777 jdk" - - name: Copy FreeType project file - run: > - Remove-Item "$env:GITHUB_WORKSPACE\freetype\builds\windows\vc2010\freetype.vcxproj" ; - Copy-Item -Path "$env:GITHUB_WORKSPACE\jdk\.github\workflows\freetype.vcxproj" - -Destination "$env:GITHUB_WORKSPACE\freetype\builds\windows\vc2010\freetype.vcxproj" ; - - name: Configure run: > $env:Path = "$HOME\cygwin\cygwin64\bin;$HOME\cygwin\cygwin64\bin;$env:Path" ; $env:Path = $env:Path -split ";" -match "C:\\Windows|PowerShell|cygwin" -join ";" ; $env:BOOT_JDK = cygpath "$HOME/bootjdk/$env:BOOT_JDK_VERSION" ; - $env:FREETYPE_HOME = "$env:GITHUB_WORKSPACE\freetype" ; $env:JT_HOME = cygpath "$HOME/jtreg" ; & bash configure --with-conf-name=windows-x86 @@ -992,7 +963,6 @@ jobs: --with-user-release-suffix="$env:GITHUB_ACTOR-$env:GITHUB_SHA" --with-build-number=b00 --with-boot-jdk="$env:BOOT_JDK" - --with-freetype-src="$env:FREETYPE_HOME" --with-jtreg="$env:JT_HOME" ; bash -c "cat $(find -name config.log)" working-directory: jdk diff --git a/THIRD_PARTY_README b/THIRD_PARTY_README index 97fc700d465..d314cd9a531 100644 --- a/THIRD_PARTY_README +++ b/THIRD_PARTY_README @@ -1028,6 +1028,552 @@ That's all there is to it! ------------------------------------------------------------------------------- +%% This notice is provided with respect to Freetype v2.9 which may be +included with JRE 8, JDK 8, and OpenJDK 8. + +--- begin of LICENSE --- + +## The FreeType Project: Freetype v2.9 + + +### FreeType Notice + +``` +FreeType comes with two licenses from which you can choose the one +which fits your needs best. + + The FreeType License (FTL) is the most commonly used one. It is + a BSD-style license with a credit clause and thus compatible with + the GNU Public License (GPL) version 3, but not with the + GPL version 2. + + The GNU General Public License (GPL), version 2. Use it for all + projects which use the GPLv2 also, or which need a license + compatible to the GPLv2. + +``` + +### FreeType License +``` + The FreeType Project LICENSE + ---------------------------- + + 2006-Jan-27 + + Copyright 1996-2002, 2006 by + David Turner, Robert Wilhelm, and Werner Lemberg + + + +Introduction +============ + + The FreeType Project is distributed in several archive packages; + some of them may contain, in addition to the FreeType font engine, + various tools and contributions which rely on, or relate to, the + FreeType Project. + + This license applies to all files found in such packages, and + which do not fall under their own explicit license. The license + affects thus the FreeType font engine, the test programs, + documentation and makefiles, at the very least. + + This license was inspired by the BSD, Artistic, and IJG + (Independent JPEG Group) licenses, which all encourage inclusion + and use of free software in commercial and freeware products + alike. As a consequence, its main points are that: + + o We don't promise that this software works. However, we will be + interested in any kind of bug reports. (`as is' distribution) + + o You can use this software for whatever you want, in parts or + full form, without having to pay us. (`royalty-free' usage) + + o You may not pretend that you wrote this software. If you use + it, or only parts of it, in a program, you must acknowledge + somewhere in your documentation that you have used the + FreeType code. (`credits') + + We specifically permit and encourage the inclusion of this + software, with or without modifications, in commercial products. + We disclaim all warranties covering The FreeType Project and + assume no liability related to The FreeType Project. + + + Finally, many people asked us for a preferred form for a + credit/disclaimer to use in compliance with this license. We thus + encourage you to use the following text: + + """ + Portions of this software are copyright © The FreeType + Project (www.freetype.org). All rights reserved. + """ + + Please replace with the value from the FreeType version you + actually use. + + +Legal Terms +=========== + +0. Definitions +-------------- + + Throughout this license, the terms `package', `FreeType Project', + and `FreeType archive' refer to the set of files originally + distributed by the authors (David Turner, Robert Wilhelm, and + Werner Lemberg) as the `FreeType Project', be they named as alpha, + beta or final release. + + `You' refers to the licensee, or person using the project, where + `using' is a generic term including compiling the project's source + code as well as linking it to form a `program' or `executable'. + This program is referred to as `a program using the FreeType + engine'. + + This license applies to all files distributed in the original + FreeType Project, including all source code, binaries and + documentation, unless otherwise stated in the file in its + original, unmodified form as distributed in the original archive. + If you are unsure whether or not a particular file is covered by + this license, you must contact us to verify this. + + The FreeType Project is copyright (C) 1996-2000 by David Turner, + Robert Wilhelm, and Werner Lemberg. All rights reserved except as + specified below. + +1. No Warranty +-------------- + + THE FREETYPE PROJECT IS PROVIDED `AS IS' WITHOUT WARRANTY OF ANY + KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + PURPOSE. IN NO EVENT WILL ANY OF THE AUTHORS OR COPYRIGHT HOLDERS + BE LIABLE FOR ANY DAMAGES CAUSED BY THE USE OR THE INABILITY TO + USE, OF THE FREETYPE PROJECT. + +2. Redistribution +----------------- + + This license grants a worldwide, royalty-free, perpetual and + irrevocable right and license to use, execute, perform, compile, + display, copy, create derivative works of, distribute and + sublicense the FreeType Project (in both source and object code + forms) and derivative works thereof for any purpose; and to + authorize others to exercise some or all of the rights granted + herein, subject to the following conditions: + + o Redistribution of source code must retain this license file + (`FTL.TXT') unaltered; any additions, deletions or changes to + the original files must be clearly indicated in accompanying + documentation. The copyright notices of the unaltered, + original files must be preserved in all copies of source + files. + + o Redistribution in binary form must provide a disclaimer that + states that the software is based in part of the work of the + FreeType Team, in the distribution documentation. We also + encourage you to put an URL to the FreeType web page in your + documentation, though this isn't mandatory. + + These conditions apply to any software derived from or based on + the FreeType Project, not just the unmodified files. If you use + our work, you must acknowledge us. However, no fee need be paid + to us. + +3. Advertising +-------------- + + Neither the FreeType authors and contributors nor you shall use + the name of the other for commercial, advertising, or promotional + purposes without specific prior written permission. + + We suggest, but do not require, that you use one or more of the + following phrases to refer to this software in your documentation + or advertising materials: `FreeType Project', `FreeType Engine', + `FreeType library', or `FreeType Distribution'. + + As you have not signed this license, you are not required to + accept it. However, as the FreeType Project is copyrighted + material, only this license, or another one contracted with the + authors, grants you the right to use, distribute, and modify it. + Therefore, by using, distributing, or modifying the FreeType + Project, you indicate that you understand and accept all the terms + of this license. + +4. Contacts +----------- + + There are two mailing lists related to FreeType: + + o freetype@nongnu.org + + Discusses general use and applications of FreeType, as well as + future and wanted additions to the library and distribution. + If you are looking for support, start in this list if you + haven't found anything to help you in the documentation. + + o freetype-devel@nongnu.org + + Discusses bugs, as well as engine internals, design issues, + specific licenses, porting, etc. + + Our home page can be found at + + http://www.freetype.org + +``` + +### GPL v2 + +``` + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Library General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. Our General Public Licenses are designed to make sure that you +have the freedom to distribute copies of free software (and charge for +this service if you wish), that you receive source code or can get it +if you want it, that you can change the software or use pieces of it +in new free programs; and that you know you can do these things. + + To protect your rights, we need to make restrictions that forbid +anyone to deny you these rights or to ask you to surrender the rights. +These restrictions translate to certain responsibilities for you if you +distribute copies of the software, or if you modify it. + + For example, if you distribute copies of such a program, whether +gratis or for a fee, you must give the recipients all the rights that +you have. You must make sure that they, too, receive or can get the +source code. And you must show them these terms so they know their +rights. + + We protect your rights with two steps: (1) copyright the software, and +(2) offer you this license which gives you legal permission to copy, +distribute and/or modify the software. + + Also, for each author's protection and ours, we want to make certain +that everyone understands that there is no warranty for this free +software. If the software is modified by someone else and passed on, we +want its recipients to know that what they have is not the original, so +that any problems introduced by others will not reflect on the original +authors' reputations. + + Finally, any free program is threatened constantly by software +patents. We wish to avoid the danger that redistributors of a free +program will individually obtain patent licenses, in effect making the +program proprietary. To prevent this, we have made it clear that any +patent must be licensed for everyone's free use or not licensed at all. + + The precise terms and conditions for copying, distribution and +modification follow. + + GNU GENERAL PUBLIC LICENSE + TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION + + 0. This License applies to any program or other work which contains +a notice placed by the copyright holder saying it may be distributed +under the terms of this General Public License. The "Program", below, +refers to any such program or work, and a "work based on the Program" +means either the Program or any derivative work under copyright law: +that is to say, a work containing the Program or a portion of it, +either verbatim or with modifications and/or translated into another +language. (Hereinafter, translation is included without limitation in +the term "modification".) Each licensee is addressed as "you". + +Activities other than copying, distribution and modification are not +covered by this License; they are outside its scope. The act of +running the Program is not restricted, and the output from the Program +is covered only if its contents constitute a work based on the +Program (independent of having been made by running the Program). +Whether that is true depends on what the Program does. + + 1. You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. You may modify your copy or copies of the Program or any portion +of it, thus forming a work based on the Program, and copy and +distribute such modifications or work under the terms of Section 1 +above, provided that you also meet all of these conditions: + + a) You must cause the modified files to carry prominent notices + stating that you changed the files and the date of any change. + + b) You must cause any work that you distribute or publish, that in + whole or in part contains or is derived from the Program or any + part thereof, to be licensed as a whole at no charge to all third + parties under the terms of this License. + + c) If the modified program normally reads commands interactively + when run, you must cause it, when started running for such + interactive use in the most ordinary way, to print or display an + announcement including an appropriate copyright notice and a + notice that there is no warranty (or else, saying that you provide + a warranty) and that users may redistribute the program under + these conditions, and telling the user how to view a copy of this + License. (Exception: if the Program itself is interactive but + does not normally print such an announcement, your work based on + the Program is not required to print an announcement.) + +These requirements apply to the modified work as a whole. If +identifiable sections of that work are not derived from the Program, +and can be reasonably considered independent and separate works in +themselves, then this License, and its terms, do not apply to those +sections when you distribute them as separate works. But when you +distribute the same sections as part of a whole which is a work based +on the Program, the distribution of the whole must be on the terms of +this License, whose permissions for other licensees extend to the +entire whole, and thus to each and every part regardless of who wrote it. + +Thus, it is not the intent of this section to claim rights or contest +your rights to work written entirely by you; rather, the intent is to +exercise the right to control the distribution of derivative or +collective works based on the Program. + +In addition, mere aggregation of another work not based on the Program +with the Program (or with a work based on the Program) on a volume of +a storage or distribution medium does not bring the other work under +the scope of this License. + + 3. You may copy and distribute the Program (or a work based on it, +under Section 2) in object code or executable form under the terms of +Sections 1 and 2 above provided that you also do one of the following: + + a) Accompany it with the complete corresponding machine-readable + source code, which must be distributed under the terms of Sections + 1 and 2 above on a medium customarily used for software interchange; or, + + b) Accompany it with a written offer, valid for at least three + years, to give any third party, for a charge no more than your + cost of physically performing source distribution, a complete + machine-readable copy of the corresponding source code, to be + distributed under the terms of Sections 1 and 2 above on a medium + customarily used for software interchange; or, + + c) Accompany it with the information you received as to the offer + to distribute corresponding source code. (This alternative is + allowed only for noncommercial distribution and only if you + received the program in object code or executable form with such + an offer, in accord with Subsection b above.) + +The source code for a work means the preferred form of the work for +making modifications to it. For an executable work, complete source +code means all the source code for all modules it contains, plus any +associated interface definition files, plus the scripts used to +control compilation and installation of the executable. However, as a +special exception, the source code distributed need not include +anything that is normally distributed (in either source or binary +form) with the major components (compiler, kernel, and so on) of the +operating system on which the executable runs, unless that component +itself accompanies the executable. + +If distribution of executable or object code is made by offering +access to copy from a designated place, then offering equivalent +access to copy the source code from the same place counts as +distribution of the source code, even though third parties are not +compelled to copy the source along with the object code. + + 4. You may not copy, modify, sublicense, or distribute the Program +except as expressly provided under this License. Any attempt +otherwise to copy, modify, sublicense or distribute the Program is +void, and will automatically terminate your rights under this License. +However, parties who have received copies, or rights, from you under +this License will not have their licenses terminated so long as such +parties remain in full compliance. + + 5. You are not required to accept this License, since you have not +signed it. However, nothing else grants you permission to modify or +distribute the Program or its derivative works. These actions are +prohibited by law if you do not accept this License. Therefore, by +modifying or distributing the Program (or any work based on the +Program), you indicate your acceptance of this License to do so, and +all its terms and conditions for copying, distributing or modifying +the Program or works based on it. + + 6. Each time you redistribute the Program (or any work based on the +Program), the recipient automatically receives a license from the +original licensor to copy, distribute or modify the Program subject to +these terms and conditions. You may not impose any further +restrictions on the recipients' exercise of the rights granted herein. +You are not responsible for enforcing compliance by third parties to +this License. + + 7. If, as a consequence of a court judgment or allegation of patent +infringement or for any other reason (not limited to patent issues), +conditions are imposed on you (whether by court order, agreement or +otherwise) that contradict the conditions of this License, they do not +excuse you from the conditions of this License. If you cannot +distribute so as to satisfy simultaneously your obligations under this +License and any other pertinent obligations, then as a consequence you +may not distribute the Program at all. For example, if a patent +license would not permit royalty-free redistribution of the Program by +all those who receive copies directly or indirectly through you, then +the only way you could satisfy both it and this License would be to +refrain entirely from distribution of the Program. + +If any portion of this section is held invalid or unenforceable under +any particular circumstance, the balance of the section is intended to +apply and the section as a whole is intended to apply in other +circumstances. + +It is not the purpose of this section to induce you to infringe any +patents or other property right claims or to contest validity of any +such claims; this section has the sole purpose of protecting the +integrity of the free software distribution system, which is +implemented by public license practices. Many people have made +generous contributions to the wide range of software distributed +through that system in reliance on consistent application of that +system; it is up to the author/donor to decide if he or she is willing +to distribute software through any other system and a licensee cannot +impose that choice. + +This section is intended to make thoroughly clear what is believed to +be a consequence of the rest of this License. + + 8. If the distribution and/or use of the Program is restricted in +certain countries either by patents or by copyrighted interfaces, the +original copyright holder who places the Program under this License +may add an explicit geographical distribution limitation excluding +those countries, so that distribution is permitted only in or among +countries not thus excluded. In such case, this License incorporates +the limitation as if written in the body of this License. + + 9. The Free Software Foundation may publish revised and/or new versions +of the General Public License from time to time. Such new versions will +be similar in spirit to the present version, but may differ in detail to +address new problems or concerns. + +Each version is given a distinguishing version number. If the Program +specifies a version number of this License which applies to it and "any +later version", you have the option of following the terms and conditions +either of that version or of any later version published by the Free +Software Foundation. If the Program does not specify a version number of +this License, you may choose any version ever published by the Free Software +Foundation. + + 10. If you wish to incorporate parts of the Program into other free +programs whose distribution conditions are different, write to the author +to ask for permission. For software which is copyrighted by the Free +Software Foundation, write to the Free Software Foundation; we sometimes +make exceptions for this. Our decision will be guided by the two goals +of preserving the free status of all derivatives of our free software and +of promoting the sharing and reuse of software generally. + + NO WARRANTY + + 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY +FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN +OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES +PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED +OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS +TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE +PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, +REPAIR OR CORRECTION. + + 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR +REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, +INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING +OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED +TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY +YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER +PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE +POSSIBILITY OF SUCH DAMAGES. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Library General +Public License instead of this License. + +``` + +--- end of LICENSE --- + +------------------------------------------------------------------------------- + %% This notice is provided with respect to ECMAScript Language Specification ECMA-262 Edition 5.1 which may be included with JRE 8, JDK 8, and OpenJDK 8. diff --git a/common/autoconf/generated-configure.sh b/common/autoconf/generated-configure.sh index ad3f7f232ea..0541d07f74e 100644 --- a/common/autoconf/generated-configure.sh +++ b/common/autoconf/generated-configure.sh @@ -661,7 +661,7 @@ USE_EXTERNAL_LIBJPEG FONTCONFIG_CFLAGS ALSA_LIBS ALSA_CFLAGS -FREETYPE_BUNDLE_LIB_PATH +FREETYPE_TO_USE FREETYPE_LIBS FREETYPE_CFLAGS CUPS_CFLAGS @@ -1021,6 +1021,7 @@ infodir docdir oldincludedir includedir +runstatedir localstatedir sharedstatedir sysconfdir @@ -1107,8 +1108,6 @@ with_cups_include with_freetype with_freetype_include with_freetype_lib -with_freetype_src -enable_freetype_bundling with_alsa with_alsa_include with_alsa_lib @@ -1266,6 +1265,7 @@ datadir='${datarootdir}' sysconfdir='${prefix}/etc' sharedstatedir='${prefix}/com' localstatedir='${prefix}/var' +runstatedir='${localstatedir}/run' includedir='${prefix}/include' oldincludedir='/usr/include' docdir='${datarootdir}/doc/${PACKAGE_TARNAME}' @@ -1518,6 +1518,15 @@ do | -silent | --silent | --silen | --sile | --sil) silent=yes ;; + -runstatedir | --runstatedir | --runstatedi | --runstated \ + | --runstate | --runstat | --runsta | --runst | --runs \ + | --run | --ru | --r) + ac_prev=runstatedir ;; + -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \ + | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \ + | --run=* | --ru=* | --r=*) + runstatedir=$ac_optarg ;; + -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb) ac_prev=sbindir ;; -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \ @@ -1655,7 +1664,7 @@ fi for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \ datadir sysconfdir sharedstatedir localstatedir includedir \ oldincludedir docdir infodir htmldir dvidir pdfdir psdir \ - libdir localedir mandir + libdir localedir mandir runstatedir do eval ac_val=\$$ac_var # Remove trailing slashes. @@ -1808,6 +1817,7 @@ Fine tuning of the installation directories: --sysconfdir=DIR read-only single-machine data [PREFIX/etc] --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run] --libdir=DIR object code libraries [EPREFIX/lib] --includedir=DIR C header files [PREFIX/include] --oldincludedir=DIR C header files for non-gcc [/usr/include] @@ -1863,10 +1873,6 @@ Optional Features: --enable-macosx-runtime-support Deprecated. Option is kept for backwards compatibility and is ignored - --disable-freetype-bundling - disable bundling of the freetype library with the - build result [enabled on Windows or when using - --with-freetype, disabled otherwise] --enable-sjavac use sjavac to do fast incremental compiles [disabled] --disable-precompiled-headers @@ -1971,14 +1977,15 @@ Optional Packages: --with-cups specify prefix directory for the cups package (expecting the headers under PATH/include) --with-cups-include specify directory for the cups include files - --with-freetype specify prefix directory for the freetype package - (expecting the libraries under PATH/lib and the - headers under PATH/include) + --with-freetype specify whether to use 'system' or 'bundled' + freetype. The selected option applies to both build + time and run time. The default behaviour can be + platform dependent. If using 'system' and either the + include files or libraries cannot be located + automatically, then additionally specify both using + --with-freetype-include and --with-freetype-lib. --with-freetype-include specify directory for the freetype include files --with-freetype-lib specify directory for the freetype library - --with-freetype-src specify directory with freetype sources to - automatically build the library (experimental, - Windows-only) --with-alsa specify prefix directory for the alsa package (expecting the libraries under PATH/lib and the headers under PATH/include) @@ -2566,7 +2573,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ $4 int -main (void) +main () { static int test_array [1 - 2 * !(($2) >= 0)]; test_array [0] = 0; @@ -2583,7 +2590,7 @@ if ac_fn_cxx_try_compile "$LINENO"; then : /* end confdefs.h. */ $4 int -main (void) +main () { static int test_array [1 - 2 * !(($2) <= $ac_mid)]; test_array [0] = 0; @@ -2610,7 +2617,7 @@ else /* end confdefs.h. */ $4 int -main (void) +main () { static int test_array [1 - 2 * !(($2) < 0)]; test_array [0] = 0; @@ -2627,7 +2634,7 @@ if ac_fn_cxx_try_compile "$LINENO"; then : /* end confdefs.h. */ $4 int -main (void) +main () { static int test_array [1 - 2 * !(($2) >= $ac_mid)]; test_array [0] = 0; @@ -2662,7 +2669,7 @@ while test "x$ac_lo" != "x$ac_hi"; do /* end confdefs.h. */ $4 int -main (void) +main () { static int test_array [1 - 2 * !(($2) <= $ac_mid)]; test_array [0] = 0; @@ -2687,12 +2694,12 @@ esac cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ $4 -static long int longval (void) { return $2; } -static unsigned long int ulongval (void) { return $2; } +static long int longval () { return $2; } +static unsigned long int ulongval () { return $2; } #include #include int -main (void) +main () { FILE *f = fopen ("conftest.val", "w"); @@ -2799,7 +2806,7 @@ else #define $2 innocuous_$2 /* System header to define __stub macros and hopefully few prototypes, - which can conflict with char $2 (void); below. + which can conflict with char $2 (); below. Prefer to if __STDC__ is defined, since exists even on freestanding compilers. */ @@ -2817,7 +2824,7 @@ else #ifdef __cplusplus extern "C" #endif -char $2 (void); +char $2 (); /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */ @@ -2826,7 +2833,7 @@ choke me #endif int -main (void) +main () { return $2 (); ; @@ -3845,20 +3852,6 @@ cygwin_help() { PKGHANDLER_COMMAND="( cd && cmd /c setup -q -P make )" HELP_MSG="You might be able to fix this by running '$PKGHANDLER_COMMAND'." ;; - freetype) - HELP_MSG=" -The freetype library can now be build during the configure process. -Download the freetype sources and unpack them into an arbitrary directory: - -wget http://download.savannah.gnu.org/releases/freetype/freetype-2.5.3.tar.gz -tar -xzf freetype-2.5.3.tar.gz - -Then run configure with '--with-freetype-src='. This will -automatically build the freetype library into '/lib64' for 64-bit -builds or into '/lib32' for 32-bit builds. -Afterwards you can always use '--with-freetype-include=/include' -and '--with-freetype-lib=/lib32|64' for other builds." - ;; esac } @@ -4035,8 +4028,6 @@ fi - - ################################################################################ # Setup fontconfig ################################################################################ @@ -4432,7 +4423,7 @@ VS_TOOLSET_SUPPORTED_2022=true #CUSTOM_AUTOCONF_INCLUDE # Do not change or remove the following line, it is needed for consistency checks: -DATE_WHEN_GENERATED=1716396030 +DATE_WHEN_GENERATED=1723798372 ############################################################################### # @@ -25373,7 +25364,7 @@ $as_echo "$BOOT_JDK_VERSION" >&6; } if test "x$BOOT_JDK_FOUND" = xno; then # Print a helpful message on how to acquire the necessary build dependency. - # openjdk is the help tag: freetype, cups, pulse, alsa etc + # openjdk is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=openjdk if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -27831,7 +27822,7 @@ done if test "x$CC" = x; then # Print a helpful message on how to acquire the necessary build dependency. - # devkit is the help tag: freetype, cups, pulse, alsa etc + # devkit is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=devkit if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -28926,7 +28917,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int -main (void) +main () { ; @@ -29066,7 +29057,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int -main (void) +main () { FILE *f = fopen ("conftest.out", "w"); return ferror (f) || fclose (f) != 0; @@ -29130,7 +29121,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -29181,7 +29172,7 @@ else /* end confdefs.h. */ int -main (void) +main () { #ifndef __GNUC__ choke me @@ -29222,7 +29213,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -29237,7 +29228,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -29253,7 +29244,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -29302,7 +29293,9 @@ struct stat; /* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ struct buf { int x; }; FILE * (*rcsopen) (struct buf *, struct stat *, int); -static char *e (char **p, int i) +static char *e (p, i) + char **p; + int i; { return p[i]; } @@ -29337,7 +29330,7 @@ int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, i int argc; char **argv; int -main (void) +main () { return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; ; @@ -29570,7 +29563,7 @@ done if test "x$CXX" = x; then # Print a helpful message on how to acquire the necessary build dependency. - # devkit is the help tag: freetype, cups, pulse, alsa etc + # devkit is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=devkit if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -30670,7 +30663,7 @@ else /* end confdefs.h. */ int -main (void) +main () { #ifndef __GNUC__ choke me @@ -30711,7 +30704,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -30726,7 +30719,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -30742,7 +30735,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -33255,7 +33248,7 @@ else /* end confdefs.h. */ int -main (void) +main () { #ifndef __GNUC__ choke me @@ -33296,7 +33289,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -33311,7 +33304,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -33327,7 +33320,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -41873,7 +41866,7 @@ else #include int -main (void) +main () { ; @@ -41943,7 +41936,7 @@ else #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int -main (void) +main () { int i; for (i = 0; i < 256; i++) @@ -42241,7 +42234,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext #include int -main (void) +main () { #if ! (defined BYTE_ORDER && defined BIG_ENDIAN \ && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \ @@ -42261,7 +42254,7 @@ if ac_fn_cxx_try_compile "$LINENO"; then : #include int -main (void) +main () { #if BYTE_ORDER != BIG_ENDIAN not big endian @@ -42287,7 +42280,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext #include int -main (void) +main () { #if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN) bogus endian macros @@ -42304,7 +42297,7 @@ if ac_fn_cxx_try_compile "$LINENO"; then : #include int -main (void) +main () { #ifndef _BIG_ENDIAN not big endian @@ -42346,7 +42339,7 @@ short int ascii_mm[] = extern int foo; int -main (void) +main () { return use_ascii (foo) == use_ebcdic (foo); ; @@ -42372,7 +42365,7 @@ else /* end confdefs.h. */ $ac_includes_default int -main (void) +main () { /* Are we little or big endian? From Harbison&Steele. */ @@ -44215,7 +44208,7 @@ if test "$ac_x_libraries" = no; then /* end confdefs.h. */ #include int -main (void) +main () { XrmInitialize () ; @@ -44301,7 +44294,7 @@ $as_echo_n "checking whether -R must be followed by a space... " >&6; } /* end confdefs.h. */ int -main (void) +main () { ; @@ -44318,7 +44311,7 @@ else /* end confdefs.h. */ int -main (void) +main () { ; @@ -44362,9 +44355,9 @@ rm -f core conftest.err conftest.$ac_objext \ #ifdef __cplusplus extern "C" #endif -char XOpenDisplay (void); +char XOpenDisplay (); int -main (void) +main () { return XOpenDisplay (); ; @@ -44390,9 +44383,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char dnet_ntoa (void); +char dnet_ntoa (); int -main (void) +main () { return dnet_ntoa (); ; @@ -44431,9 +44424,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char dnet_ntoa (void); +char dnet_ntoa (); int -main (void) +main () { return dnet_ntoa (); ; @@ -44491,9 +44484,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char gethostbyname (void); +char gethostbyname (); int -main (void) +main () { return gethostbyname (); ; @@ -44532,9 +44525,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char gethostbyname (void); +char gethostbyname (); int -main (void) +main () { return gethostbyname (); ; @@ -44588,9 +44581,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char connect (void); +char connect (); int -main (void) +main () { return connect (); ; @@ -44637,9 +44630,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char remove (void); +char remove (); int -main (void) +main () { return remove (); ; @@ -44686,9 +44679,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char shmat (void); +char shmat (); int -main (void) +main () { return shmat (); ; @@ -44738,9 +44731,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char IceConnectionNumber (void); +char IceConnectionNumber (); int -main (void) +main () { return IceConnectionNumber (); ; @@ -44776,7 +44769,7 @@ fi if test "x$no_x" = xyes && test "x$X11_NOT_NEEDED" != xyes; then # Print a helpful message on how to acquire the necessary build dependency. - # x11 is the help tag: freetype, cups, pulse, alsa etc + # x11 is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=x11 if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -44870,7 +44863,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu if test "x$X11_A_OK" = xno && test "x$X11_NOT_NEEDED" != xyes; then # Print a helpful message on how to acquire the necessary build dependency. - # x11 is the help tag: freetype, cups, pulse, alsa etc + # x11 is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=x11 if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -45130,7 +45123,7 @@ $as_echo "$CUPS_FOUND" >&6; } if test "x$CUPS_FOUND" = xno; then # Print a helpful message on how to acquire the necessary build dependency. - # cups is the help tag: freetype, cups, pulse, alsa etc + # cups is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=cups if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -45167,11 +45160,6 @@ $as_echo "$CUPS_FOUND" >&6; } - ############################################################################### - # - # The ubiquitous freetype library is used to render fonts. - # - # Check whether --with-freetype was given. if test "${with_freetype+set}" = set; then : withval=$with_freetype; @@ -45190,453 +45178,518 @@ if test "${with_freetype_lib+set}" = set; then : fi -# Check whether --with-freetype-src was given. -if test "${with_freetype_src+set}" = set; then : - withval=$with_freetype_src; -fi - - # Check whether --enable-freetype-bundling was given. -if test "${enable_freetype_bundling+set}" = set; then : - enableval=$enable_freetype_bundling; -fi - - + # This setup is to verify access to system installed freetype header and + # libraries. On Windows and MacOS this does not apply and using these options + # will report an error. On other platforms they will default to using the + # system libraries. If they are found automatically, nothing need be done. + # If they are not found, the configure "--with-freetype-*" options may be + # used to fix that. If the preference is to bundle on these platforms then + # use --with-freetype=bundled. + FREETYPE_BASE_NAME=freetype FREETYPE_CFLAGS= FREETYPE_LIBS= - FREETYPE_BUNDLE_LIB_PATH= - - if test "x$FREETYPE_NOT_NEEDED" = xyes; then - if test "x$with_freetype" != x || test "x$with_freetype_include" != x || test "x$with_freetype_lib" != x || test "x$with_freetype_src" != x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: freetype not used, so --with-freetype is ignored" >&5 -$as_echo "$as_me: WARNING: freetype not used, so --with-freetype is ignored" >&2;} - fi - if test "x$enable_freetype_bundling" != x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: freetype not used, so --enable-freetype-bundling is ignored" >&5 -$as_echo "$as_me: WARNING: freetype not used, so --enable-freetype-bundling is ignored" >&2;} + if (test "x$with_freetype_include" = "x" && test "x$with_freetype_lib" != "x") || \ + (test "x$with_freetype_include" != "x" && test "x$with_freetype_lib" = "x"); then + as_fn_error $? "Must specify both or neither of --with-freetype-include and --with-freetype-lib" "$LINENO" 5 + fi + FREETYPE_TO_USE=bundled + if test "x$OPENJDK_TARGET_OS" != "xwindows" && \ + test "x$OPENJDK_TARGET_OS" != "xmacosx" && \ + test "x$OPENJDK_TARGET_OS" != "xaix"; then + FREETYPE_TO_USE=system + fi + if test "x$with_freetype" != "x" ; then + if test "x$with_freetype" = "xsystem" ; then + FREETYPE_TO_USE=system + elif test "x$with_freetype" = "xbundled" ; then + FREETYPE_TO_USE=bundled + if test "x$with_freetype_include" != "x" || \ + test "x$with_freetype_lib" != "x" ; then + as_fn_error $? "'bundled' cannot be specified with --with-freetype-include and --with-freetype-lib" "$LINENO" 5 + fi + else + as_fn_error $? "Valid values for --with-freetype are 'system' and 'bundled'" "$LINENO" 5 fi - else - # freetype is needed to build; go get it! - - BUNDLE_FREETYPE="$enable_freetype_bundling" - - if test "x$with_freetype_src" != x; then - if test "x$OPENJDK_TARGET_OS" = xwindows; then - # Try to build freetype if --with-freetype-src was given on Windows + fi - FREETYPE_SRC_PATH="$with_freetype_src" - BUILD_FREETYPE=yes + if test "x$with_freetype_include" != "x" && \ + test "x$with_freetype_lib" != "x" ; then + FREETYPE_TO_USE=system + fi - # Check if the freetype sources are acessible.. - if ! test -d $FREETYPE_SRC_PATH; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --with-freetype-src specified, but can't find path \"$FREETYPE_SRC_PATH\" - ignoring --with-freetype-src" >&5 -$as_echo "$as_me: WARNING: --with-freetype-src specified, but can't find path \"$FREETYPE_SRC_PATH\" - ignoring --with-freetype-src" >&2;} - BUILD_FREETYPE=no + if test "x$FREETYPE_TO_USE" = "xsystem" && \ + (test "x$OPENJDK_TARGET_OS" = "xwindows" || \ + test "x$OPENJDK_TARGET_OS" = "xmacosx"); then + as_fn_error $? "Only bundled freetype can be specified on Mac and Windows" "$LINENO" 5 fi - # ..and contain a vc2010 project file - vcxproj_path="$FREETYPE_SRC_PATH/builds/windows/vc2010/freetype.vcxproj" - if test "x$BUILD_FREETYPE" = xyes && ! test -s $vcxproj_path; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Can't find project file $vcxproj_path (you may try a newer freetype version) - ignoring --with-freetype-src" >&5 -$as_echo "$as_me: WARNING: Can't find project file $vcxproj_path (you may try a newer freetype version) - ignoring --with-freetype-src" >&2;} - BUILD_FREETYPE=no + + if test "x$with_freetype_include" != "x" ; then + POTENTIAL_FREETYPE_INCLUDE_PATH="$with_freetype_include" fi - # Now check if configure found a version of 'msbuild.exe' - if test "x$BUILD_FREETYPE" = xyes && test "x$MSBUILD" == x ; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Can't find an msbuild.exe executable (you may try to install .NET 4.0) - ignoring --with-freetype-src" >&5 -$as_echo "$as_me: WARNING: Can't find an msbuild.exe executable (you may try to install .NET 4.0) - ignoring --with-freetype-src" >&2;} - BUILD_FREETYPE=no + if test "x$with_freetype_lib" != "x" ; then + POTENTIAL_FREETYPE_LIB_PATH="$with_freetype_lib" fi - # Ready to go.. - if test "x$BUILD_FREETYPE" = xyes; then + if test "x$FREETYPE_TO_USE" = "xsystem" ; then + if test "x$POTENTIAL_FREETYPE_INCLUDE_PATH" != "x" && \ + test "x$POTENTIAL_FREETYPE_LIB_PATH" != "x" ; then + # Okay, we got it. Check that it works. - # msbuild requires trailing slashes for output directories - freetype_lib_path="$FREETYPE_SRC_PATH/lib$OPENJDK_TARGET_CPU_BITS/" - freetype_lib_path_unix="$freetype_lib_path" - freetype_obj_path="$FREETYPE_SRC_PATH/obj$OPENJDK_TARGET_CPU_BITS/" + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" + POTENTIAL_FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" + METHOD="--with-freetype" - unix_path="$vcxproj_path" - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - windows_path=`$CYGPATH -m "$unix_path"` - vcxproj_path="$windows_path" - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - windows_path=`cmd //c echo $unix_path` - vcxproj_path="$windows_path" + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes + + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no + fi fi + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. + { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 +$as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} + FOUND_FREETYPE=yes - unix_path="$freetype_lib_path" - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - windows_path=`$CYGPATH -m "$unix_path"` - freetype_lib_path="$windows_path" - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - windows_path=`cmd //c echo $unix_path` - freetype_lib_path="$windows_path" + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" + if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 +$as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&6;} + FOUND_FREETYPE=no + fi fi - - unix_path="$freetype_obj_path" - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - windows_path=`$CYGPATH -m "$unix_path"` - freetype_obj_path="$windows_path" - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - windows_path=`cmd //c echo $unix_path` - freetype_obj_path="$windows_path" + if test "x$FOUND_FREETYPE" = "xyes"; then + FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 +$as_echo_n "checking for freetype includes... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_INCLUDE_PATH" >&5 +$as_echo "$FREETYPE_INCLUDE_PATH" >&6; } + FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype libraries" >&5 +$as_echo_n "checking for freetype libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_LIB_PATH" >&5 +$as_echo "$FREETYPE_LIB_PATH" >&6; } fi - if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then - freetype_platform=x64 - else - freetype_platform=win32 - fi - - # The original freetype project file is for VS 2010 (i.e. 'v100'), - # so we have to adapt the toolset if building with any other toolsed (i.e. SDK). - # Currently 'PLATFORM_TOOLSET' is set in 'TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT'/ - # 'TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT' in toolchain_windows.m4 - { $as_echo "$as_me:${as_lineno-$LINENO}: Trying to compile freetype sources with PlatformToolset=$PLATFORM_TOOLSET to $freetype_lib_path_unix ..." >&5 -$as_echo "$as_me: Trying to compile freetype sources with PlatformToolset=$PLATFORM_TOOLSET to $freetype_lib_path_unix ..." >&6;} - - # First we try to build the freetype.dll - $ECHO -e "@echo off\n"\ - "$MSBUILD $vcxproj_path "\ - "/p:PlatformToolset=$PLATFORM_TOOLSET "\ - "/p:Configuration=\"Release Multithreaded\" "\ - "/p:Platform=$freetype_platform "\ - "/p:ConfigurationType=DynamicLibrary "\ - "/p:TargetName=freetype "\ - "/p:OutDir=\"$freetype_lib_path\" "\ - "/p:IntDir=\"$freetype_obj_path\" > freetype.log" > freetype.bat - cmd /c freetype.bat - - if test -s "$freetype_lib_path_unix/freetype.dll"; then - # If that succeeds we also build freetype.lib - $ECHO -e "@echo off\n"\ - "$MSBUILD $vcxproj_path "\ - "/p:PlatformToolset=$PLATFORM_TOOLSET "\ - "/p:Configuration=\"Release Multithreaded\" "\ - "/p:Platform=$freetype_platform "\ - "/p:ConfigurationType=StaticLibrary "\ - "/p:TargetName=freetype "\ - "/p:OutDir=\"$freetype_lib_path\" "\ - "/p:IntDir=\"$freetype_obj_path\" >> freetype.log" > freetype.bat - cmd /c freetype.bat - - if test -s "$freetype_lib_path_unix/freetype.lib"; then - # Once we build both, lib and dll, set freetype lib and include path appropriately - POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_SRC_PATH/include" - POTENTIAL_FREETYPE_LIB_PATH="$freetype_lib_path_unix" - { $as_echo "$as_me:${as_lineno-$LINENO}: Compiling freetype sources succeeded! (see freetype.log for build results)" >&5 -$as_echo "$as_me: Compiling freetype sources succeeded! (see freetype.log for build results)" >&6;} - else - BUILD_FREETYPE=no + if test "x$FOUND_FREETYPE" != "xyes" ; then + as_fn_error $? "Can not find or use freetype at location given by --with-freetype-lib|include" "$LINENO" 5 fi else - BUILD_FREETYPE=no - fi - fi + # User did not specify a location, but asked for system freetype. + # Try to locate it. + # If we have a sysroot, assume that's where we are supposed to look and + # skip pkg-config. + if test "x$SYSROOT" = "x" ; then + if test "x$FOUND_FREETYPE" != "xyes" ; then + # Check modules using pkg-config, but only if we have it (ugly output + # results otherwise) + if test "x$PKG_CONFIG" != "x" ; then - if test "x$BUILD_FREETYPE" = xyes; then - # Okay, we built it. Check that it works. +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FREETYPE" >&5 +$as_echo_n "checking for FREETYPE... 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" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes (using pkg-config)" >&5 +$as_echo "yes (using pkg-config)" >&6; } + fi + fi + fi + fi + + if test "x$FOUND_FREETYPE" != "xyes" ; then + # Check in well-known locations + FREETYPE_BASE_DIR="$SYSROOT/usr" + if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" ; then + + POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_BASE_DIR/include" + POTENTIAL_FREETYPE_LIB_PATH="$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU-linux-gnu" + METHOD="well-known location" + + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes + + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no + fi + fi - # First check if the files exists. - if test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then - # We found an arbitrary include file. That's a good sign. + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 $as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} FOUND_FREETYPE=yes - FREETYPE_LIB_NAME="${LIBRARY_PREFIX}freetype${SHARED_LIBRARY_SUFFIX}" + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 $as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. 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Update our guess! - POTENTIAL_FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH/amd64" - fi fi fi - if test "x$FOUND_FREETYPE" = xyes; then + if test "x$FOUND_FREETYPE" = "xyes"; then + FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 +$as_echo_n "checking for freetype includes... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_INCLUDE_PATH" >&5 +$as_echo "$FREETYPE_INCLUDE_PATH" >&6; } + FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype libraries" >&5 +$as_echo_n "checking for freetype libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_LIB_PATH" >&5 +$as_echo "$FREETYPE_LIB_PATH" >&6; } + fi - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then + if test "x$FOUND_FREETYPE" != "xyes" ; then - # Input might be given as Windows format, start by converting to - # unix format. - path="$POTENTIAL_FREETYPE_INCLUDE_PATH" - new_path=`$CYGPATH -u "$path"` + POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_BASE_DIR/include" + POTENTIAL_FREETYPE_LIB_PATH="$FREETYPE_BASE_DIR/lib64" + METHOD="well-known location" - # preserve original basename - original_basename=`$BASENAME "${new_path}"` + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes - # Cygwin tries to hide some aspects of the Windows file system, such that binaries are - # named .exe but called without that suffix. Therefore, "foo" and "foo.exe" are considered - # the same file, most of the time (as in "test -f"). But not when running cygpath -s, then - # "foo.exe" is OK but "foo" is an error. - # - # This test is therefore slightly more accurate than "test -f" to check for file precense. - # It is also a way to make sure we got the proper file name for the real test later on. - test_shortpath=`$CYGPATH -s -m "$new_path" 2> /dev/null` - if test "x$test_shortpath" = x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of POTENTIAL_FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of POTENTIAL_FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Cannot locate the the path of POTENTIAL_FREETYPE_INCLUDE_PATH" "$LINENO" 5 + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no + fi fi - # Call helper function which possibly converts this using DOS-style short mode. - # If so, the updated path is stored in $new_path. + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. + { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 +$as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} + FOUND_FREETYPE=yes - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-._/a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - shortmode_path=`$CYGPATH -s -m -a "$input_path"` - path_after_shortmode=`$CYGPATH -u "$shortmode_path"` - if test "x$path_after_shortmode" != "x$input_to_shortpath"; then - # Going to short mode and back again did indeed matter. Since short mode is - # case insensitive, let's make it lowercase to improve readability. - shortmode_path=`$ECHO "$shortmode_path" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - # Now convert it back to Unix-style (cygpath) - input_path=`$CYGPATH -u "$shortmode_path"` - new_path="$input_path" + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" + if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 +$as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&6;} + FOUND_FREETYPE=no fi fi - test_cygdrive_prefix=`$ECHO $input_path | $GREP ^/cygdrive/` - if test "x$test_cygdrive_prefix" = x; then - # As a simple fix, exclude /usr/bin since it's not a real path. - if test "x`$ECHO $new_path | $GREP ^/usr/bin/`" = x; then - # The path is in a Cygwin special directory (e.g. /home). We need this converted to - # a path prefixed by /cygdrive for fixpath to work. - new_path="$CYGWIN_ROOT_PATH$input_path" - fi + if test "x$FOUND_FREETYPE" = "xyes"; then + FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 +$as_echo_n "checking for freetype includes... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_INCLUDE_PATH" >&5 +$as_echo "$FREETYPE_INCLUDE_PATH" >&6; } + FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype libraries" >&5 +$as_echo_n "checking for freetype libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_LIB_PATH" >&5 +$as_echo "$FREETYPE_LIB_PATH" >&6; } fi + fi + else - # get basename after fixup - fixed_basename=`$BASENAME "${new_path}"` + POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_BASE_DIR/include" + POTENTIAL_FREETYPE_LIB_PATH="$FREETYPE_BASE_DIR/lib/i386-linux-gnu" + METHOD="well-known location" - # if basename changed replace it with original value - if test "x$original_basename" != "x$fixed_basename"; then - new_path=`echo "${new_path}" | sed "s/${fixed_basename}$/${original_basename}/g"` - fi + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes - if test "x$path" != "x$new_path"; then - POTENTIAL_FREETYPE_INCLUDE_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting POTENTIAL_FREETYPE_INCLUDE_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting POTENTIAL_FREETYPE_INCLUDE_PATH to \"$new_path\"" >&6;} + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no + fi fi - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. + { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 +$as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} + FOUND_FREETYPE=yes - path="$POTENTIAL_FREETYPE_INCLUDE_PATH" - has_colon=`$ECHO $path | $GREP ^.:` - new_path="$path" - if test "x$has_colon" = x; then - # Not in mixed or Windows style, start by that. - new_path=`cmd //c echo $path` + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" + if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 +$as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&6;} + FOUND_FREETYPE=no + fi fi - - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-_/:a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - new_path=`cmd /c "for %A in (\"$input_path\") do @echo %~sA"|$TR \\\\\\\\ / | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + if test "x$FOUND_FREETYPE" = "xyes"; then + FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 +$as_echo_n "checking for freetype includes... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_INCLUDE_PATH" >&5 +$as_echo "$FREETYPE_INCLUDE_PATH" >&6; } + FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype libraries" >&5 +$as_echo_n "checking for freetype libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_LIB_PATH" >&5 +$as_echo "$FREETYPE_LIB_PATH" >&6; } fi + if test "x$FOUND_FREETYPE" != "xyes" ; then - windows_path="$new_path" - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - unix_path=`$CYGPATH -u "$windows_path"` - new_path="$unix_path" - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'` - new_path="$unix_path" - fi - - if test "x$path" != "x$new_path"; then - POTENTIAL_FREETYPE_INCLUDE_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting POTENTIAL_FREETYPE_INCLUDE_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting POTENTIAL_FREETYPE_INCLUDE_PATH to \"$new_path\"" >&6;} - fi + POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_BASE_DIR/include" + POTENTIAL_FREETYPE_LIB_PATH="$FREETYPE_BASE_DIR/lib32" + METHOD="well-known location" - # Save the first 10 bytes of this path to the storage, so fixpath can work. - all_fixpath_prefixes=("${all_fixpath_prefixes[@]}" "${new_path:0:10}") + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes - else - # We're on a posix platform. Hooray! :) - path="$POTENTIAL_FREETYPE_INCLUDE_PATH" - has_space=`$ECHO "$path" | $GREP " "` - if test "x$has_space" != x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of POTENTIAL_FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of POTENTIAL_FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Spaces are not allowed in this path." "$LINENO" 5 + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no fi + fi - # Use eval to expand a potential ~ - eval path="$path" - if test ! -f "$path" && test ! -d "$path"; then - as_fn_error $? "The path of POTENTIAL_FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is not found." "$LINENO" 5 + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. + { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 +$as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} + FOUND_FREETYPE=yes + + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" + if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 +$as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&6;} + FOUND_FREETYPE=no fi + fi - POTENTIAL_FREETYPE_INCLUDE_PATH="`cd "$path"; $THEPWDCMD -L`" + if test "x$FOUND_FREETYPE" = "xyes"; then + FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 +$as_echo_n "checking for freetype includes... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_INCLUDE_PATH" >&5 +$as_echo "$FREETYPE_INCLUDE_PATH" >&6; } + FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype libraries" >&5 +$as_echo_n "checking for freetype libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_LIB_PATH" >&5 +$as_echo "$FREETYPE_LIB_PATH" >&6; } fi + fi + fi - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then + if test "x$FOUND_FREETYPE" != "xyes" ; then - # Input might be given as Windows format, start by converting to - # unix format. - path="$POTENTIAL_FREETYPE_LIB_PATH" - new_path=`$CYGPATH -u "$path"` + POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_BASE_DIR/include" + POTENTIAL_FREETYPE_LIB_PATH="$FREETYPE_BASE_DIR/lib" + METHOD="well-known location" - # preserve original basename - original_basename=`$BASENAME "${new_path}"` + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes - # Cygwin tries to hide some aspects of the Windows file system, such that binaries are - # named .exe but called without that suffix. Therefore, "foo" and "foo.exe" are considered - # the same file, most of the time (as in "test -f"). But not when running cygpath -s, then - # "foo.exe" is OK but "foo" is an error. - # - # This test is therefore slightly more accurate than "test -f" to check for file precense. - # It is also a way to make sure we got the proper file name for the real test later on. - test_shortpath=`$CYGPATH -s -m "$new_path" 2> /dev/null` - if test "x$test_shortpath" = x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Cannot locate the the path of POTENTIAL_FREETYPE_LIB_PATH" "$LINENO" 5 + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no + fi fi - # Call helper function which possibly converts this using DOS-style short mode. - # If so, the updated path is stored in $new_path. + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. + { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 +$as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} + FOUND_FREETYPE=yes - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-._/a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - shortmode_path=`$CYGPATH -s -m -a "$input_path"` - path_after_shortmode=`$CYGPATH -u "$shortmode_path"` - if test "x$path_after_shortmode" != "x$input_to_shortpath"; then - # Going to short mode and back again did indeed matter. Since short mode is - # case insensitive, let's make it lowercase to improve readability. - shortmode_path=`$ECHO "$shortmode_path" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - # Now convert it back to Unix-style (cygpath) - input_path=`$CYGPATH -u "$shortmode_path"` - new_path="$input_path" + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" + if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 +$as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&6;} + FOUND_FREETYPE=no fi fi - test_cygdrive_prefix=`$ECHO $input_path | $GREP ^/cygdrive/` - if test "x$test_cygdrive_prefix" = x; then - # As a simple fix, exclude /usr/bin since it's not a real path. - if test "x`$ECHO $new_path | $GREP ^/usr/bin/`" = x; then - # The path is in a Cygwin special directory (e.g. /home). We need this converted to - # a path prefixed by /cygdrive for fixpath to work. - new_path="$CYGWIN_ROOT_PATH$input_path" - fi + if test "x$FOUND_FREETYPE" = "xyes"; then + FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 +$as_echo_n "checking for freetype includes... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_INCLUDE_PATH" >&5 +$as_echo "$FREETYPE_INCLUDE_PATH" >&6; } + FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype libraries" >&5 +$as_echo_n "checking for freetype libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_LIB_PATH" >&5 +$as_echo "$FREETYPE_LIB_PATH" >&6; } fi + fi - # get basename after fixup - fixed_basename=`$BASENAME "${new_path}"` + if test "x$FOUND_FREETYPE" != "xyes" ; then - # if basename changed replace it with original value - if test "x$original_basename" != "x$fixed_basename"; then - new_path=`echo "${new_path}" | sed "s/${fixed_basename}$/${original_basename}/g"` - fi + POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_BASE_DIR/include" + POTENTIAL_FREETYPE_LIB_PATH="$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI" + METHOD="well-known location" - if test "x$path" != "x$new_path"; then - POTENTIAL_FREETYPE_LIB_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting POTENTIAL_FREETYPE_LIB_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting POTENTIAL_FREETYPE_LIB_PATH to \"$new_path\"" >&6;} + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes + + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no + fi fi - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. + { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 +$as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} + FOUND_FREETYPE=yes - path="$POTENTIAL_FREETYPE_LIB_PATH" - has_colon=`$ECHO $path | $GREP ^.:` - new_path="$path" - if test "x$has_colon" = x; then - # Not in mixed or Windows style, start by that. - new_path=`cmd //c echo $path` + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" + if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 +$as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&6;} + FOUND_FREETYPE=no + fi fi - - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-_/:a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - new_path=`cmd /c "for %A in (\"$input_path\") do @echo %~sA"|$TR \\\\\\\\ / | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + if test "x$FOUND_FREETYPE" = "xyes"; then + FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 +$as_echo_n "checking for freetype includes... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_INCLUDE_PATH" >&5 +$as_echo "$FREETYPE_INCLUDE_PATH" >&6; } + FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype libraries" >&5 +$as_echo_n "checking for freetype libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_LIB_PATH" >&5 +$as_echo "$FREETYPE_LIB_PATH" >&6; } fi + fi - windows_path="$new_path" - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - unix_path=`$CYGPATH -u "$windows_path"` - new_path="$unix_path" - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'` - new_path="$unix_path" - fi + if test "x$FOUND_FREETYPE" != "xyes" ; then - if test "x$path" != "x$new_path"; then - POTENTIAL_FREETYPE_LIB_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting POTENTIAL_FREETYPE_LIB_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting POTENTIAL_FREETYPE_LIB_PATH to \"$new_path\"" >&6;} - fi + POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_BASE_DIR/include" + POTENTIAL_FREETYPE_LIB_PATH="$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI" + METHOD="well-known location" - # Save the first 10 bytes of this path to the storage, so fixpath can work. - all_fixpath_prefixes=("${all_fixpath_prefixes[@]}" "${new_path:0:10}") + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes - else - # We're on a posix platform. Hooray! :) - path="$POTENTIAL_FREETYPE_LIB_PATH" - has_space=`$ECHO "$path" | $GREP " "` - if test "x$has_space" != x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Spaces are not allowed in this path." "$LINENO" 5 + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no fi + fi - # Use eval to expand a potential ~ - eval path="$path" - if test ! -f "$path" && test ! -d "$path"; then - as_fn_error $? "The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is not found." "$LINENO" 5 - fi + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. + { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 +$as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} + FOUND_FREETYPE=yes - POTENTIAL_FREETYPE_LIB_PATH="`cd "$path"; $THEPWDCMD -L`" + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" + if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 +$as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&6;} + FOUND_FREETYPE=no + fi fi - + if test "x$FOUND_FREETYPE" = "xyes"; then FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 $as_echo_n "checking for freetype includes... " >&6; } @@ -45649,3166 +45702,92 @@ $as_echo_n "checking for freetype libraries... " >&6; } $as_echo "$FREETYPE_LIB_PATH" >&6; } fi - if test "x$FOUND_FREETYPE" != xyes; then - as_fn_error $? "Can not use the built freetype at location given by --with-freetype-src" "$LINENO" 5 - fi - else - { $as_echo "$as_me:${as_lineno-$LINENO}: User specified --with-freetype-src but building freetype failed. (see freetype.log for build results)" >&5 -$as_echo "$as_me: User specified --with-freetype-src but building freetype failed. (see freetype.log for build results)" >&6;} - as_fn_error $? "Consider building freetype manually and using --with-freetype instead." "$LINENO" 5 fi - else - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --with-freetype-src is currently only supported on Windows - ignoring" >&5 -$as_echo "$as_me: WARNING: --with-freetype-src is currently only supported on Windows - ignoring" >&2;} - fi - fi - if test "x$with_freetype" != x || test "x$with_freetype_include" != x || test "x$with_freetype_lib" != x; then - # User has specified settings - - if test "x$BUNDLE_FREETYPE" = x; then - # If not specified, default is to bundle freetype - BUNDLE_FREETYPE=yes - fi - - if test "x$with_freetype" != x; then - POTENTIAL_FREETYPE_INCLUDE_PATH="$with_freetype/include" - POTENTIAL_FREETYPE_LIB_PATH="$with_freetype/lib" - fi + if test "x$FOUND_FREETYPE" != "xyes" ; then + FREETYPE_BASE_DIR="$SYSROOT/usr/X11" - # Allow --with-freetype-lib and --with-freetype-include to override - if test "x$with_freetype_include" != x; then - POTENTIAL_FREETYPE_INCLUDE_PATH="$with_freetype_include" - fi - if test "x$with_freetype_lib" != x; then - POTENTIAL_FREETYPE_LIB_PATH="$with_freetype_lib" - fi + POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_BASE_DIR/include" + POTENTIAL_FREETYPE_LIB_PATH="$FREETYPE_BASE_DIR/lib" + METHOD="well-known location" - if test "x$POTENTIAL_FREETYPE_INCLUDE_PATH" != x && test "x$POTENTIAL_FREETYPE_LIB_PATH" != x; then - # Okay, we got it. Check that it works. + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes - POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" - POTENTIAL_FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" - METHOD="--with-freetype" + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no + fi + fi - # First check if the files exists. - if test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then - # We found an arbitrary include file. That's a good sign. + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 $as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} FOUND_FREETYPE=yes - FREETYPE_LIB_NAME="${LIBRARY_PREFIX}freetype${SHARED_LIBRARY_SUFFIX}" + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 $as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. 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Update our guess! - POTENTIAL_FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH/amd64" - fi fi fi - if test "x$FOUND_FREETYPE" = xyes; then + if test "x$FOUND_FREETYPE" = "xyes"; then + FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 +$as_echo_n "checking for freetype includes... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FREETYPE_INCLUDE_PATH" >&5 +$as_echo "$FREETYPE_INCLUDE_PATH" >&6; } + FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype libraries" >&5 +$as_echo_n "checking for freetype libraries... 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Hooray! :) - path="$POTENTIAL_FREETYPE_LIB_PATH" - has_space=`$ECHO "$path" | $GREP " "` - if test "x$has_space" != x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Spaces are not allowed in this path." "$LINENO" 5 - fi - - # Use eval to expand a potential ~ - eval path="$path" - if test ! -f "$path" && test ! -d "$path"; then - as_fn_error $? "The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is not found." "$LINENO" 5 - fi - - POTENTIAL_FREETYPE_LIB_PATH="`cd "$path"; $THEPWDCMD -L`" - fi - - - FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 -$as_echo_n "checking for freetype includes... 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"Cannot locate the the path of POTENTIAL_FREETYPE_INCLUDE_PATH" "$LINENO" 5 - fi - - # Call helper function which possibly converts this using DOS-style short mode. - # If so, the updated path is stored in $new_path. - - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-._/a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - shortmode_path=`$CYGPATH -s -m -a "$input_path"` - path_after_shortmode=`$CYGPATH -u "$shortmode_path"` - if test "x$path_after_shortmode" != "x$input_to_shortpath"; then - # Going to short mode and back again did indeed matter. Since short mode is - # case insensitive, let's make it lowercase to improve readability. - shortmode_path=`$ECHO "$shortmode_path" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - # Now convert it back to Unix-style (cygpath) - input_path=`$CYGPATH -u "$shortmode_path"` - new_path="$input_path" - fi - fi - - test_cygdrive_prefix=`$ECHO $input_path | $GREP ^/cygdrive/` - if test "x$test_cygdrive_prefix" = x; then - # As a simple fix, exclude /usr/bin since it's not a real path. - if test "x`$ECHO $new_path | $GREP ^/usr/bin/`" = x; then - # The path is in a Cygwin special directory (e.g. /home). We need this converted to - # a path prefixed by /cygdrive for fixpath to work. - new_path="$CYGWIN_ROOT_PATH$input_path" - fi - fi - - - # get basename after fixup - fixed_basename=`$BASENAME "${new_path}"` - - # if basename changed replace it with original value - if test "x$original_basename" != "x$fixed_basename"; then - new_path=`echo "${new_path}" | sed "s/${fixed_basename}$/${original_basename}/g"` - fi - - if test "x$path" != "x$new_path"; then - POTENTIAL_FREETYPE_INCLUDE_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting POTENTIAL_FREETYPE_INCLUDE_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting POTENTIAL_FREETYPE_INCLUDE_PATH to \"$new_path\"" >&6;} - fi - - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - - path="$POTENTIAL_FREETYPE_INCLUDE_PATH" - has_colon=`$ECHO $path | $GREP ^.:` - new_path="$path" - if test "x$has_colon" = x; then - # Not in mixed or Windows style, start by that. - new_path=`cmd //c echo $path` - fi - - - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-_/:a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - new_path=`cmd /c "for %A in (\"$input_path\") do @echo %~sA"|$TR \\\\\\\\ / | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - fi - - - windows_path="$new_path" - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - unix_path=`$CYGPATH -u "$windows_path"` - new_path="$unix_path" - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'` - new_path="$unix_path" - fi - - if test "x$path" != "x$new_path"; then - POTENTIAL_FREETYPE_INCLUDE_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting POTENTIAL_FREETYPE_INCLUDE_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting POTENTIAL_FREETYPE_INCLUDE_PATH to \"$new_path\"" >&6;} - fi - - # Save the first 10 bytes of this path to the storage, so fixpath can work. - all_fixpath_prefixes=("${all_fixpath_prefixes[@]}" "${new_path:0:10}") - - else - # We're on a posix platform. Hooray! :) - path="$POTENTIAL_FREETYPE_INCLUDE_PATH" - has_space=`$ECHO "$path" | $GREP " "` - if test "x$has_space" != x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of POTENTIAL_FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of POTENTIAL_FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Spaces are not allowed in this path." "$LINENO" 5 - fi - - # Use eval to expand a potential ~ - eval path="$path" - if test ! -f "$path" && test ! -d "$path"; then - as_fn_error $? "The path of POTENTIAL_FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is not found." "$LINENO" 5 - fi - - POTENTIAL_FREETYPE_INCLUDE_PATH="`cd "$path"; $THEPWDCMD -L`" - fi - - - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - - # Input might be given as Windows format, start by converting to - # unix format. - path="$POTENTIAL_FREETYPE_LIB_PATH" - new_path=`$CYGPATH -u "$path"` - - # preserve original basename - original_basename=`$BASENAME "${new_path}"` - - # Cygwin tries to hide some aspects of the Windows file system, such that binaries are - # named .exe but called without that suffix. Therefore, "foo" and "foo.exe" are considered - # the same file, most of the time (as in "test -f"). But not when running cygpath -s, then - # "foo.exe" is OK but "foo" is an error. - # - # This test is therefore slightly more accurate than "test -f" to check for file precense. - # It is also a way to make sure we got the proper file name for the real test later on. - test_shortpath=`$CYGPATH -s -m "$new_path" 2> /dev/null` - if test "x$test_shortpath" = x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Cannot locate the the path of POTENTIAL_FREETYPE_LIB_PATH" "$LINENO" 5 - fi - - # Call helper function which possibly converts this using DOS-style short mode. - # If so, the updated path is stored in $new_path. + POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_BASE_DIR/include" + POTENTIAL_FREETYPE_LIB_PATH="$FREETYPE_BASE_DIR/lib" + METHOD="well-known location" - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-._/a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - shortmode_path=`$CYGPATH -s -m -a "$input_path"` - path_after_shortmode=`$CYGPATH -u "$shortmode_path"` - if test "x$path_after_shortmode" != "x$input_to_shortpath"; then - # Going to short mode and back again did indeed matter. Since short mode is - # case insensitive, let's make it lowercase to improve readability. - shortmode_path=`$ECHO "$shortmode_path" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - # Now convert it back to Unix-style (cygpath) - input_path=`$CYGPATH -u "$shortmode_path"` - new_path="$input_path" - fi - fi + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes - test_cygdrive_prefix=`$ECHO $input_path | $GREP ^/cygdrive/` - if test "x$test_cygdrive_prefix" = x; then - # As a simple fix, exclude /usr/bin since it's not a real path. - if test "x`$ECHO $new_path | $GREP ^/usr/bin/`" = x; then - # The path is in a Cygwin special directory (e.g. /home). We need this converted to - # a path prefixed by /cygdrive for fixpath to work. - new_path="$CYGWIN_ROOT_PATH$input_path" + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no fi fi + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. + { $as_echo "$as_me:${as_lineno-$LINENO}: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&5 +$as_echo "$as_me: Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD" >&6;} + FOUND_FREETYPE=yes - # get basename after fixup - fixed_basename=`$BASENAME "${new_path}"` - - # if basename changed replace it with original value - if test "x$original_basename" != "x$fixed_basename"; then - new_path=`echo "${new_path}" | sed "s/${fixed_basename}$/${original_basename}/g"` - fi - - if test "x$path" != "x$new_path"; then - POTENTIAL_FREETYPE_LIB_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting POTENTIAL_FREETYPE_LIB_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting POTENTIAL_FREETYPE_LIB_PATH to \"$new_path\"" >&6;} - fi - - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - - path="$POTENTIAL_FREETYPE_LIB_PATH" - has_colon=`$ECHO $path | $GREP ^.:` - new_path="$path" - if test "x$has_colon" = x; then - # Not in mixed or Windows style, start by that. - new_path=`cmd //c echo $path` - fi - - - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-_/:a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - new_path=`cmd /c "for %A in (\"$input_path\") do @echo %~sA"|$TR \\\\\\\\ / | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - fi - - - windows_path="$new_path" - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - unix_path=`$CYGPATH -u "$windows_path"` - new_path="$unix_path" - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'` - new_path="$unix_path" - fi - - if test "x$path" != "x$new_path"; then - POTENTIAL_FREETYPE_LIB_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting POTENTIAL_FREETYPE_LIB_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting POTENTIAL_FREETYPE_LIB_PATH to \"$new_path\"" >&6;} - fi - - # Save the first 10 bytes of this path to the storage, so fixpath can work. - all_fixpath_prefixes=("${all_fixpath_prefixes[@]}" "${new_path:0:10}") - - else - # We're on a posix platform. Hooray! :) - path="$POTENTIAL_FREETYPE_LIB_PATH" - has_space=`$ECHO "$path" | $GREP " "` - if test "x$has_space" != x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Spaces are not allowed in this path." "$LINENO" 5 - fi - - # Use eval to expand a potential ~ - eval path="$path" - if test ! -f "$path" && test ! -d "$path"; then - as_fn_error $? "The path of POTENTIAL_FREETYPE_LIB_PATH, which resolves as \"$path\", is not found." "$LINENO" 5 + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" + if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&5 +$as_echo "$as_me: Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location." >&6;} + FOUND_FREETYPE=no fi - - POTENTIAL_FREETYPE_LIB_PATH="`cd "$path"; $THEPWDCMD -L`" fi - + if test "x$FOUND_FREETYPE" = "xyes"; then FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for freetype includes" >&5 $as_echo_n "checking for freetype includes... " >&6; } @@ -48821,16 +45800,13 @@ $as_echo_n "checking for freetype libraries... " >&6; } $as_echo "$FREETYPE_LIB_PATH" >&6; } fi - fi - fi - fi fi fi # end check in well-known locations - if test "x$FOUND_FREETYPE" != xyes; then + if test "x$FOUND_FREETYPE" != "xyes" ; then # Print a helpful message on how to acquire the necessary build dependency. - # freetype is the help tag: freetype, cups, pulse, alsa etc + # freetype is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=freetype if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -48863,384 +45839,21 @@ $as_echo "$FREETYPE_LIB_PATH" >&6; } fi # end user specified settings # Set FREETYPE_CFLAGS, _LIBS and _LIB_PATH from include and lib dir. - if test "x$FREETYPE_CFLAGS" = x; then - - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - - # Input might be given as Windows format, start by converting to - # unix format. - path="$FREETYPE_INCLUDE_PATH" - new_path=`$CYGPATH -u "$path"` - - # preserve original basename - original_basename=`$BASENAME "${new_path}"` - - # Cygwin tries to hide some aspects of the Windows file system, such that binaries are - # named .exe but called without that suffix. Therefore, "foo" and "foo.exe" are considered - # the same file, most of the time (as in "test -f"). But not when running cygpath -s, then - # "foo.exe" is OK but "foo" is an error. - # - # This test is therefore slightly more accurate than "test -f" to check for file precense. - # It is also a way to make sure we got the proper file name for the real test later on. - test_shortpath=`$CYGPATH -s -m "$new_path" 2> /dev/null` - if test "x$test_shortpath" = x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Cannot locate the the path of FREETYPE_INCLUDE_PATH" "$LINENO" 5 - fi - - # Call helper function which possibly converts this using DOS-style short mode. - # If so, the updated path is stored in $new_path. - - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-._/a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - shortmode_path=`$CYGPATH -s -m -a "$input_path"` - path_after_shortmode=`$CYGPATH -u "$shortmode_path"` - if test "x$path_after_shortmode" != "x$input_to_shortpath"; then - # Going to short mode and back again did indeed matter. Since short mode is - # case insensitive, let's make it lowercase to improve readability. - shortmode_path=`$ECHO "$shortmode_path" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - # Now convert it back to Unix-style (cygpath) - input_path=`$CYGPATH -u "$shortmode_path"` - new_path="$input_path" - fi - fi - - test_cygdrive_prefix=`$ECHO $input_path | $GREP ^/cygdrive/` - if test "x$test_cygdrive_prefix" = x; then - # As a simple fix, exclude /usr/bin since it's not a real path. - if test "x`$ECHO $new_path | $GREP ^/usr/bin/`" = x; then - # The path is in a Cygwin special directory (e.g. /home). We need this converted to - # a path prefixed by /cygdrive for fixpath to work. - new_path="$CYGWIN_ROOT_PATH$input_path" - fi - fi - - - # get basename after fixup - fixed_basename=`$BASENAME "${new_path}"` - - # if basename changed replace it with original value - if test "x$original_basename" != "x$fixed_basename"; then - new_path=`echo "${new_path}" | sed "s/${fixed_basename}$/${original_basename}/g"` - fi - - if test "x$path" != "x$new_path"; then - FREETYPE_INCLUDE_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting FREETYPE_INCLUDE_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting FREETYPE_INCLUDE_PATH to \"$new_path\"" >&6;} - fi - - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - - path="$FREETYPE_INCLUDE_PATH" - has_colon=`$ECHO $path | $GREP ^.:` - new_path="$path" - if test "x$has_colon" = x; then - # Not in mixed or Windows style, start by that. - new_path=`cmd //c echo $path` - fi - - - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-_/:a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - new_path=`cmd /c "for %A in (\"$input_path\") do @echo %~sA"|$TR \\\\\\\\ / | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - fi - - - windows_path="$new_path" - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - unix_path=`$CYGPATH -u "$windows_path"` - new_path="$unix_path" - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'` - new_path="$unix_path" - fi - - if test "x$path" != "x$new_path"; then - FREETYPE_INCLUDE_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting FREETYPE_INCLUDE_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting FREETYPE_INCLUDE_PATH to \"$new_path\"" >&6;} - fi - - # Save the first 10 bytes of this path to the storage, so fixpath can work. - all_fixpath_prefixes=("${all_fixpath_prefixes[@]}" "${new_path:0:10}") - - else - # We're on a posix platform. Hooray! :) - path="$FREETYPE_INCLUDE_PATH" - has_space=`$ECHO "$path" | $GREP " "` - if test "x$has_space" != x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Spaces are not allowed in this path." "$LINENO" 5 - fi - - # Use eval to expand a potential ~ - eval path="$path" - if test ! -f "$path" && test ! -d "$path"; then - as_fn_error $? "The path of FREETYPE_INCLUDE_PATH, which resolves as \"$path\", is not found." "$LINENO" 5 - fi - - FREETYPE_INCLUDE_PATH="`cd "$path"; $THEPWDCMD -L`" - fi - - if test -d $FREETYPE_INCLUDE_PATH/freetype2/freetype; then + if test "x$FREETYPE_CFLAGS" = "x" ; then + if test -d $FREETYPE_INCLUDE_PATH/freetype2/freetype ; then FREETYPE_CFLAGS="-I$FREETYPE_INCLUDE_PATH/freetype2 -I$FREETYPE_INCLUDE_PATH" else FREETYPE_CFLAGS="-I$FREETYPE_INCLUDE_PATH" fi fi - if test "x$FREETYPE_LIBS" = x; then - - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - - # Input might be given as Windows format, start by converting to - # unix format. - path="$FREETYPE_LIB_PATH" - new_path=`$CYGPATH -u "$path"` - - # preserve original basename - original_basename=`$BASENAME "${new_path}"` - - # Cygwin tries to hide some aspects of the Windows file system, such that binaries are - # named .exe but called without that suffix. Therefore, "foo" and "foo.exe" are considered - # the same file, most of the time (as in "test -f"). But not when running cygpath -s, then - # "foo.exe" is OK but "foo" is an error. - # - # This test is therefore slightly more accurate than "test -f" to check for file precense. - # It is also a way to make sure we got the proper file name for the real test later on. - test_shortpath=`$CYGPATH -s -m "$new_path" 2> /dev/null` - if test "x$test_shortpath" = x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Cannot locate the the path of FREETYPE_LIB_PATH" "$LINENO" 5 - fi - - # Call helper function which possibly converts this using DOS-style short mode. - # If so, the updated path is stored in $new_path. - - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-._/a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - shortmode_path=`$CYGPATH -s -m -a "$input_path"` - path_after_shortmode=`$CYGPATH -u "$shortmode_path"` - if test "x$path_after_shortmode" != "x$input_to_shortpath"; then - # Going to short mode and back again did indeed matter. Since short mode is - # case insensitive, let's make it lowercase to improve readability. - shortmode_path=`$ECHO "$shortmode_path" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - # Now convert it back to Unix-style (cygpath) - input_path=`$CYGPATH -u "$shortmode_path"` - new_path="$input_path" - fi - fi - - test_cygdrive_prefix=`$ECHO $input_path | $GREP ^/cygdrive/` - if test "x$test_cygdrive_prefix" = x; then - # As a simple fix, exclude /usr/bin since it's not a real path. - if test "x`$ECHO $new_path | $GREP ^/usr/bin/`" = x; then - # The path is in a Cygwin special directory (e.g. /home). We need this converted to - # a path prefixed by /cygdrive for fixpath to work. - new_path="$CYGWIN_ROOT_PATH$input_path" - fi - fi - - - # get basename after fixup - fixed_basename=`$BASENAME "${new_path}"` - - # if basename changed replace it with original value - if test "x$original_basename" != "x$fixed_basename"; then - new_path=`echo "${new_path}" | sed "s/${fixed_basename}$/${original_basename}/g"` - fi - - if test "x$path" != "x$new_path"; then - FREETYPE_LIB_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting FREETYPE_LIB_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting FREETYPE_LIB_PATH to \"$new_path\"" >&6;} - fi - - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - - path="$FREETYPE_LIB_PATH" - has_colon=`$ECHO $path | $GREP ^.:` - new_path="$path" - if test "x$has_colon" = x; then - # Not in mixed or Windows style, start by that. - new_path=`cmd //c echo $path` - fi - - - input_path="$new_path" - # Check if we need to convert this using DOS-style short mode. If the path - # contains just simple characters, use it. Otherwise (spaces, weird characters), - # take no chances and rewrite it. - # Note: m4 eats our [], so we need to use [ and ] instead. - has_forbidden_chars=`$ECHO "$input_path" | $GREP [^-_/:a-zA-Z0-9]` - if test "x$has_forbidden_chars" != x; then - # Now convert it to mixed DOS-style, short mode (no spaces, and / instead of \) - new_path=`cmd /c "for %A in (\"$input_path\") do @echo %~sA"|$TR \\\\\\\\ / | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - fi - - - windows_path="$new_path" - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - unix_path=`$CYGPATH -u "$windows_path"` - new_path="$unix_path" - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - unix_path=`$ECHO "$windows_path" | $SED -e 's,^\\(.\\):,/\\1,g' -e 's,\\\\,/,g'` - new_path="$unix_path" - fi - - if test "x$path" != "x$new_path"; then - FREETYPE_LIB_PATH="$new_path" - { $as_echo "$as_me:${as_lineno-$LINENO}: Rewriting FREETYPE_LIB_PATH to \"$new_path\"" >&5 -$as_echo "$as_me: Rewriting FREETYPE_LIB_PATH to \"$new_path\"" >&6;} - fi - - # Save the first 10 bytes of this path to the storage, so fixpath can work. - all_fixpath_prefixes=("${all_fixpath_prefixes[@]}" "${new_path:0:10}") - - else - # We're on a posix platform. Hooray! :) - path="$FREETYPE_LIB_PATH" - has_space=`$ECHO "$path" | $GREP " "` - if test "x$has_space" != x; then - { $as_echo "$as_me:${as_lineno-$LINENO}: The path of FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&5 -$as_echo "$as_me: The path of FREETYPE_LIB_PATH, which resolves as \"$path\", is invalid." >&6;} - as_fn_error $? "Spaces are not allowed in this path." "$LINENO" 5 - fi - - # Use eval to expand a potential ~ - eval path="$path" - if test ! -f "$path" && test ! -d "$path"; then - as_fn_error $? "The path of FREETYPE_LIB_PATH, which resolves as \"$path\", is not found." "$LINENO" 5 - fi - - FREETYPE_LIB_PATH="`cd "$path"; $THEPWDCMD -L`" - fi - - if test "x$OPENJDK_TARGET_OS" = xwindows; then - FREETYPE_LIBS="$FREETYPE_LIB_PATH/freetype.lib" - else - FREETYPE_LIBS="-L$FREETYPE_LIB_PATH -lfreetype" - fi - fi - - # Try to compile it - { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can compile and link with freetype" >&5 -$as_echo_n "checking if we can compile and link with freetype... " >&6; } - ac_ext=cpp -ac_cpp='$CXXCPP $CPPFLAGS' -ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_cxx_compiler_gnu - - PREV_CXXCFLAGS="$CXXFLAGS" - PREV_LIBS="$LIBS" - PREV_CXX="$CXX" - CXXFLAGS="$CXXFLAGS $FREETYPE_CFLAGS" - LIBS="$LIBS $FREETYPE_LIBS" - CXX="$FIXPATH $CXX" - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - - #include - #include FT_FREETYPE_H - int main () { - FT_Init_FreeType(NULL); - return 0; - } - -_ACEOF -if ac_fn_cxx_try_link "$LINENO"; then : - - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 -$as_echo "yes" >&6; } - -else - - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } - { $as_echo "$as_me:${as_lineno-$LINENO}: Could not compile and link with freetype. This might be a 32/64-bit mismatch." >&5 -$as_echo "$as_me: Could not compile and link with freetype. This might be a 32/64-bit mismatch." >&6;} - { $as_echo "$as_me:${as_lineno-$LINENO}: Using FREETYPE_CFLAGS=$FREETYPE_CFLAGS and FREETYPE_LIBS=$FREETYPE_LIBS" >&5 -$as_echo "$as_me: Using FREETYPE_CFLAGS=$FREETYPE_CFLAGS and FREETYPE_LIBS=$FREETYPE_LIBS" >&6;} - - - # Print a helpful message on how to acquire the necessary build dependency. - # freetype is the help tag: freetype, cups, pulse, alsa etc - MISSING_DEPENDENCY=freetype - - if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then - cygwin_help $MISSING_DEPENDENCY - elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then - msys_help $MISSING_DEPENDENCY - else - PKGHANDLER_COMMAND= - - case $PKGHANDLER in - apt-get) - apt_help $MISSING_DEPENDENCY ;; - yum) - yum_help $MISSING_DEPENDENCY ;; - port) - port_help $MISSING_DEPENDENCY ;; - pkgutil) - pkgutil_help $MISSING_DEPENDENCY ;; - pkgadd) - pkgadd_help $MISSING_DEPENDENCY ;; - esac - - if test "x$PKGHANDLER_COMMAND" != x; then - HELP_MSG="You might be able to fix this by running '$PKGHANDLER_COMMAND'." + if test "x$FREETYPE_LIBS" = "x" ; then + FREETYPE_LIBS="-L$FREETYPE_LIB_PATH -l$FREETYPE_BASE_NAME" fi fi - - as_fn_error $? "Can not continue without freetype. $HELP_MSG" "$LINENO" 5 - - -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext - CXXCFLAGS="$PREV_CXXFLAGS" - LIBS="$PREV_LIBS" - CXX="$PREV_CXX" - ac_ext=cpp -ac_cpp='$CXXCPP $CPPFLAGS' -ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_cxx_compiler_gnu - - - { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we should bundle freetype" >&5 -$as_echo_n "checking if we should bundle freetype... " >&6; } - if test "x$BUNDLE_FREETYPE" = xyes; then - FREETYPE_BUNDLE_LIB_PATH="$FREETYPE_LIB_PATH" - fi - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUNDLE_FREETYPE" >&5 -$as_echo "$BUNDLE_FREETYPE" >&6; } - - fi # end freetype needed + { $as_echo "$as_me:${as_lineno-$LINENO}: result: Using freetype: $FREETYPE_TO_USE" >&5 +$as_echo "Using freetype: $FREETYPE_TO_USE" >&6; } @@ -49541,7 +46154,7 @@ done if test "x$ALSA_FOUND" = xno; then # Print a helpful message on how to acquire the necessary build dependency. - # alsa is the help tag: freetype, cups, pulse, alsa etc + # alsa is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=alsa if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -49650,7 +46263,7 @@ done if test "x$FONTCONFIG_FOUND" = xno; then # Print a helpful message on how to acquire the necessary build dependency. - # fontconfig is the help tag: freetype, cups, pulse, alsa etc + # fontconfig is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=fontconfig if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -49704,7 +46317,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext int -main (void) +main () { return main (); ; @@ -49794,9 +46407,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char DGifGetCode (void); +char DGifGetCode (); int -main (void) +main () { return DGifGetCode (); ; @@ -49860,9 +46473,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char compress (void); +char compress (); int -main (void) +main () { return compress (); ; @@ -49946,7 +46559,7 @@ $as_echo "system not found" >&6; } /* end confdefs.h. */ #include int -main (void) +main () { return (int)altzone; ; @@ -49987,9 +46600,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char cos (void); +char cos (); int -main (void) +main () { return cos (); ; @@ -50046,9 +46659,9 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext #ifdef __cplusplus extern "C" #endif -char dlopen (void); +char dlopen (); int -main (void) +main () { return dlopen (); ; @@ -50116,7 +46729,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu /* end confdefs.h. */ int -main (void) +main () { return 0; ; @@ -50158,7 +46771,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu /* end confdefs.h. */ int -main (void) +main () { return 0; ; @@ -55949,7 +52562,7 @@ $as_echo_n "checking if C-compiler supports ccache precompiled headers... " >&6; /* end confdefs.h. */ int -main (void) +main () { ; diff --git a/common/autoconf/help.m4 b/common/autoconf/help.m4 index 4b752f64c24..e4c1964797e 100644 --- a/common/autoconf/help.m4 +++ b/common/autoconf/help.m4 @@ -31,7 +31,7 @@ AC_DEFUN_ONCE([HELP_SETUP_DEPENDENCY_HELP], AC_DEFUN([HELP_MSG_MISSING_DEPENDENCY], [ # Print a helpful message on how to acquire the necessary build dependency. - # $1 is the help tag: freetype, cups, pulse, alsa etc + # $1 is the help tag: cups, pulse, alsa etc MISSING_DEPENDENCY=$1 if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then @@ -74,20 +74,6 @@ cygwin_help() { PKGHANDLER_COMMAND="( cd && cmd /c setup -q -P make )" HELP_MSG="You might be able to fix this by running '$PKGHANDLER_COMMAND'." ;; - freetype) - HELP_MSG=" -The freetype library can now be build during the configure process. -Download the freetype sources and unpack them into an arbitrary directory: - -wget http://download.savannah.gnu.org/releases/freetype/freetype-2.5.3.tar.gz -tar -xzf freetype-2.5.3.tar.gz - -Then run configure with '--with-freetype-src='. This will -automatically build the freetype library into '/lib64' for 64-bit -builds or into '/lib32' for 32-bit builds. -Afterwards you can always use '--with-freetype-include=/include' -and '--with-freetype-lib=/lib[32|64]' for other builds." - ;; esac } diff --git a/common/autoconf/libraries.m4 b/common/autoconf/libraries.m4 index 6efae578ea9..687f6ad82ec 100644 --- a/common/autoconf/libraries.m4 +++ b/common/autoconf/libraries.m4 @@ -253,123 +253,38 @@ AC_DEFUN_ONCE([LIB_SETUP_CUPS], ]) -AC_DEFUN([LIB_BUILD_FREETYPE], -[ - FREETYPE_SRC_PATH="$1" - BUILD_FREETYPE=yes - - # Check if the freetype sources are acessible.. - if ! test -d $FREETYPE_SRC_PATH; then - AC_MSG_WARN([--with-freetype-src specified, but can't find path "$FREETYPE_SRC_PATH" - ignoring --with-freetype-src]) - BUILD_FREETYPE=no - fi - # ..and contain a vc2010 project file - vcxproj_path="$FREETYPE_SRC_PATH/builds/windows/vc2010/freetype.vcxproj" - if test "x$BUILD_FREETYPE" = xyes && ! test -s $vcxproj_path; then - AC_MSG_WARN([Can't find project file $vcxproj_path (you may try a newer freetype version) - ignoring --with-freetype-src]) - BUILD_FREETYPE=no - fi - # Now check if configure found a version of 'msbuild.exe' - if test "x$BUILD_FREETYPE" = xyes && test "x$MSBUILD" == x ; then - AC_MSG_WARN([Can't find an msbuild.exe executable (you may try to install .NET 4.0) - ignoring --with-freetype-src]) - BUILD_FREETYPE=no - fi - - # Ready to go.. - if test "x$BUILD_FREETYPE" = xyes; then - - # msbuild requires trailing slashes for output directories - freetype_lib_path="$FREETYPE_SRC_PATH/lib$OPENJDK_TARGET_CPU_BITS/" - freetype_lib_path_unix="$freetype_lib_path" - freetype_obj_path="$FREETYPE_SRC_PATH/obj$OPENJDK_TARGET_CPU_BITS/" - BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(vcxproj_path) - BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(freetype_lib_path) - BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(freetype_obj_path) - if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then - freetype_platform=x64 - else - freetype_platform=win32 - fi - - # The original freetype project file is for VS 2010 (i.e. 'v100'), - # so we have to adapt the toolset if building with any other toolsed (i.e. SDK). - # Currently 'PLATFORM_TOOLSET' is set in 'TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT'/ - # 'TOOLCHAIN_CHECK_POSSIBLE_WIN_SDK_ROOT' in toolchain_windows.m4 - AC_MSG_NOTICE([Trying to compile freetype sources with PlatformToolset=$PLATFORM_TOOLSET to $freetype_lib_path_unix ...]) - - # First we try to build the freetype.dll - $ECHO -e "@echo off\n"\ - "$MSBUILD $vcxproj_path "\ - "/p:PlatformToolset=$PLATFORM_TOOLSET "\ - "/p:Configuration=\"Release Multithreaded\" "\ - "/p:Platform=$freetype_platform "\ - "/p:ConfigurationType=DynamicLibrary "\ - "/p:TargetName=freetype "\ - "/p:OutDir=\"$freetype_lib_path\" "\ - "/p:IntDir=\"$freetype_obj_path\" > freetype.log" > freetype.bat - cmd /c freetype.bat - - if test -s "$freetype_lib_path_unix/freetype.dll"; then - # If that succeeds we also build freetype.lib - $ECHO -e "@echo off\n"\ - "$MSBUILD $vcxproj_path "\ - "/p:PlatformToolset=$PLATFORM_TOOLSET "\ - "/p:Configuration=\"Release Multithreaded\" "\ - "/p:Platform=$freetype_platform "\ - "/p:ConfigurationType=StaticLibrary "\ - "/p:TargetName=freetype "\ - "/p:OutDir=\"$freetype_lib_path\" "\ - "/p:IntDir=\"$freetype_obj_path\" >> freetype.log" > freetype.bat - cmd /c freetype.bat - - if test -s "$freetype_lib_path_unix/freetype.lib"; then - # Once we build both, lib and dll, set freetype lib and include path appropriately - POTENTIAL_FREETYPE_INCLUDE_PATH="$FREETYPE_SRC_PATH/include" - POTENTIAL_FREETYPE_LIB_PATH="$freetype_lib_path_unix" - AC_MSG_NOTICE([Compiling freetype sources succeeded! (see freetype.log for build results)]) - else - BUILD_FREETYPE=no - fi - else - BUILD_FREETYPE=no - fi - fi -]) - AC_DEFUN([LIB_CHECK_POTENTIAL_FREETYPE], [ POTENTIAL_FREETYPE_INCLUDE_PATH="$1" POTENTIAL_FREETYPE_LIB_PATH="$2" METHOD="$3" - # First check if the files exists. - if test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then - # We found an arbitrary include file. That's a good sign. + # Let's start with an optimistic view of the world :-) + FOUND_FREETYPE=yes + + # First look for the canonical freetype main include file ft2build.h. + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Oh no! Let's try in the freetype2 directory. + POTENTIAL_FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH/freetype2" + if ! test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then + # Fail. + FOUND_FREETYPE=no + fi + fi + + if test "x$FOUND_FREETYPE" = "xyes"; then + # Include file found, let's continue the sanity check. AC_MSG_NOTICE([Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD]) FOUND_FREETYPE=yes - FREETYPE_LIB_NAME="${LIBRARY_PREFIX}freetype${SHARED_LIBRARY_SUFFIX}" + FREETYPE_LIB_NAME="${LIBRARY_PREFIX}${FREETYPE_BASE_NAME}${SHARED_LIBRARY_SUFFIX}" if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then AC_MSG_NOTICE([Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location.]) FOUND_FREETYPE=no - else - if test "x$OPENJDK_TARGET_OS" = xwindows; then - # On Windows, we will need both .lib and .dll file. - if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/freetype.lib"; then - AC_MSG_NOTICE([Could not find $POTENTIAL_FREETYPE_LIB_PATH/freetype.lib. Ignoring location.]) - FOUND_FREETYPE=no - fi - elif test "x$OPENJDK_TARGET_OS" = xsolaris && test "x$OPENJDK_TARGET_CPU" = xx86_64 && test -s "$POTENTIAL_FREETYPE_LIB_PATH/amd64/$FREETYPE_LIB_NAME"; then - # On solaris-x86_86, default is (normally) PATH/lib/amd64. Update our guess! - POTENTIAL_FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH/amd64" - fi fi fi - if test "x$FOUND_FREETYPE" = xyes; then - BASIC_FIXUP_PATH(POTENTIAL_FREETYPE_INCLUDE_PATH) - BASIC_FIXUP_PATH(POTENTIAL_FREETYPE_LIB_PATH) - + if test "x$FOUND_FREETYPE" = "xyes"; then FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH" AC_MSG_CHECKING([for freetype includes]) AC_MSG_RESULT([$FREETYPE_INCLUDE_PATH]) @@ -381,256 +296,168 @@ AC_DEFUN([LIB_CHECK_POTENTIAL_FREETYPE], AC_DEFUN_ONCE([LIB_SETUP_FREETYPE], [ - - ############################################################################### - # - # The ubiquitous freetype library is used to render fonts. - # AC_ARG_WITH(freetype, [AS_HELP_STRING([--with-freetype], - [specify prefix directory for the freetype package - (expecting the libraries under PATH/lib and the headers under PATH/include)])]) + [specify whether to use 'system' or 'bundled' freetype. + The selected option applies to both build time and run time. + The default behaviour can be platform dependent. + If using 'system' and either the include files or libraries cannot be + located automatically, then additionally specify both using + --with-freetype-include and --with-freetype-lib.])]) AC_ARG_WITH(freetype-include, [AS_HELP_STRING([--with-freetype-include], [specify directory for the freetype include files])]) AC_ARG_WITH(freetype-lib, [AS_HELP_STRING([--with-freetype-lib], [specify directory for the freetype library])]) - AC_ARG_WITH(freetype-src, [AS_HELP_STRING([--with-freetype-src], - [specify directory with freetype sources to automatically build the library (experimental, Windows-only)])]) - AC_ARG_ENABLE(freetype-bundling, [AS_HELP_STRING([--disable-freetype-bundling], - [disable bundling of the freetype library with the build result @<:@enabled on Windows or when using --with-freetype, disabled otherwise@:>@])]) + # This setup is to verify access to system installed freetype header and + # libraries. On Windows and MacOS this does not apply and using these options + # will report an error. On other platforms they will default to using the + # system libraries. If they are found automatically, nothing need be done. + # If they are not found, the configure "--with-freetype-*" options may be + # used to fix that. If the preference is to bundle on these platforms then + # use --with-freetype=bundled. + FREETYPE_BASE_NAME=freetype FREETYPE_CFLAGS= FREETYPE_LIBS= - FREETYPE_BUNDLE_LIB_PATH= - - if test "x$FREETYPE_NOT_NEEDED" = xyes; then - if test "x$with_freetype" != x || test "x$with_freetype_include" != x || test "x$with_freetype_lib" != x || test "x$with_freetype_src" != x; then - AC_MSG_WARN([freetype not used, so --with-freetype is ignored]) - fi - if test "x$enable_freetype_bundling" != x; then - AC_MSG_WARN([freetype not used, so --enable-freetype-bundling is ignored]) - fi - else - # freetype is needed to build; go get it! - - BUNDLE_FREETYPE="$enable_freetype_bundling" - - if test "x$with_freetype_src" != x; then - if test "x$OPENJDK_TARGET_OS" = xwindows; then - # Try to build freetype if --with-freetype-src was given on Windows - LIB_BUILD_FREETYPE([$with_freetype_src]) - if test "x$BUILD_FREETYPE" = xyes; then - # Okay, we built it. Check that it works. - LIB_CHECK_POTENTIAL_FREETYPE($POTENTIAL_FREETYPE_INCLUDE_PATH, $POTENTIAL_FREETYPE_LIB_PATH, [--with-freetype-src]) - if test "x$FOUND_FREETYPE" != xyes; then - AC_MSG_ERROR([Can not use the built freetype at location given by --with-freetype-src]) - fi - else - AC_MSG_NOTICE([User specified --with-freetype-src but building freetype failed. (see freetype.log for build results)]) - AC_MSG_ERROR([Consider building freetype manually and using --with-freetype instead.]) - fi - else - AC_MSG_WARN([--with-freetype-src is currently only supported on Windows - ignoring]) + if (test "x$with_freetype_include" = "x" && test "x$with_freetype_lib" != "x") || \ + (test "x$with_freetype_include" != "x" && test "x$with_freetype_lib" = "x"); then + AC_MSG_ERROR([Must specify both or neither of --with-freetype-include and --with-freetype-lib]) + fi + FREETYPE_TO_USE=bundled + if test "x$OPENJDK_TARGET_OS" != "xwindows" && \ + test "x$OPENJDK_TARGET_OS" != "xmacosx" && \ + test "x$OPENJDK_TARGET_OS" != "xaix"; then + FREETYPE_TO_USE=system + fi + if test "x$with_freetype" != "x" ; then + if test "x$with_freetype" = "xsystem" ; then + FREETYPE_TO_USE=system + elif test "x$with_freetype" = "xbundled" ; then + FREETYPE_TO_USE=bundled + if test "x$with_freetype_include" != "x" || \ + test "x$with_freetype_lib" != "x" ; then + AC_MSG_ERROR(['bundled' cannot be specified with --with-freetype-include and --with-freetype-lib]) fi + else + AC_MSG_ERROR([Valid values for --with-freetype are 'system' and 'bundled']) fi + fi - if test "x$with_freetype" != x || test "x$with_freetype_include" != x || test "x$with_freetype_lib" != x; then - # User has specified settings - - if test "x$BUNDLE_FREETYPE" = x; then - # If not specified, default is to bundle freetype - BUNDLE_FREETYPE=yes - fi + if test "x$with_freetype_include" != "x" && \ + test "x$with_freetype_lib" != "x" ; then + FREETYPE_TO_USE=system + fi - if test "x$with_freetype" != x; then - POTENTIAL_FREETYPE_INCLUDE_PATH="$with_freetype/include" - POTENTIAL_FREETYPE_LIB_PATH="$with_freetype/lib" - fi + if test "x$FREETYPE_TO_USE" = "xsystem" && \ + (test "x$OPENJDK_TARGET_OS" = "xwindows" || \ + test "x$OPENJDK_TARGET_OS" = "xmacosx"); then + AC_MSG_ERROR([Only bundled freetype can be specified on Mac and Windows]) + fi - # Allow --with-freetype-lib and --with-freetype-include to override - if test "x$with_freetype_include" != x; then - POTENTIAL_FREETYPE_INCLUDE_PATH="$with_freetype_include" - fi - if test "x$with_freetype_lib" != x; then - POTENTIAL_FREETYPE_LIB_PATH="$with_freetype_lib" - fi + if test "x$with_freetype_include" != "x" ; then + POTENTIAL_FREETYPE_INCLUDE_PATH="$with_freetype_include" + fi + if test "x$with_freetype_lib" != "x" ; then + POTENTIAL_FREETYPE_LIB_PATH="$with_freetype_lib" + fi - if test "x$POTENTIAL_FREETYPE_INCLUDE_PATH" != x && test "x$POTENTIAL_FREETYPE_LIB_PATH" != x; then - # Okay, we got it. Check that it works. - LIB_CHECK_POTENTIAL_FREETYPE($POTENTIAL_FREETYPE_INCLUDE_PATH, $POTENTIAL_FREETYPE_LIB_PATH, [--with-freetype]) - if test "x$FOUND_FREETYPE" != xyes; then - AC_MSG_ERROR([Can not find or use freetype at location given by --with-freetype]) - fi - else - # User specified only one of lib or include. This is an error. - if test "x$POTENTIAL_FREETYPE_INCLUDE_PATH" = x ; then - AC_MSG_NOTICE([User specified --with-freetype-lib but not --with-freetype-include]) - AC_MSG_ERROR([Need both freetype lib and include paths. Consider using --with-freetype instead.]) - else - AC_MSG_NOTICE([User specified --with-freetype-include but not --with-freetype-lib]) - AC_MSG_ERROR([Need both freetype lib and include paths. Consider using --with-freetype instead.]) - fi + if test "x$FREETYPE_TO_USE" = "xsystem" ; then + if test "x$POTENTIAL_FREETYPE_INCLUDE_PATH" != "x" && \ + test "x$POTENTIAL_FREETYPE_LIB_PATH" != "x" ; then + # Okay, we got it. Check that it works. + LIB_CHECK_POTENTIAL_FREETYPE($POTENTIAL_FREETYPE_INCLUDE_PATH, + $POTENTIAL_FREETYPE_LIB_PATH, [--with-freetype]) + if test "x$FOUND_FREETYPE" != "xyes" ; then + AC_MSG_ERROR([Can not find or use freetype at location given by --with-freetype-lib|include]) fi else - # User did not specify settings, but we need freetype. Try to locate it. - - if test "x$BUNDLE_FREETYPE" = x; then - # If not specified, default is to bundle freetype only on windows - if test "x$OPENJDK_TARGET_OS" = xwindows; then - BUNDLE_FREETYPE=yes - else - BUNDLE_FREETYPE=no - fi - fi - - if test "x$FOUND_FREETYPE" != xyes; then - # Check builddeps - BDEPS_CHECK_MODULE(FREETYPE, freetype2, xxx, [FOUND_FREETYPE=yes], [FOUND_FREETYPE=no]) - # BDEPS_CHECK_MODULE will set FREETYPE_CFLAGS and _LIBS, but we don't get a lib path for bundling. - if test "x$FOUND_FREETYPE" = xyes; then - if test "x$BUNDLE_FREETYPE" = xyes; then - AC_MSG_NOTICE([Found freetype using builddeps, but ignoring since we can not bundle that]) - FOUND_FREETYPE=no - else - AC_MSG_CHECKING([for freetype]) - AC_MSG_RESULT([yes (using builddeps)]) - fi - fi - fi - - # If we have a sysroot, assume that's where we are supposed to look and skip pkg-config. - if test "x$SYSROOT" = x; then - if test "x$FOUND_FREETYPE" != xyes; then - # Check modules using pkg-config, but only if we have it (ugly output results otherwise) - if test "x$PKG_CONFIG" != x; then + # User did not specify a location, but asked for system freetype. + # Try to locate it. + # If we have a sysroot, assume that's where we are supposed to look and + # skip pkg-config. + if test "x$SYSROOT" = "x" ; then + if test "x$FOUND_FREETYPE" != "xyes" ; then + # Check modules using pkg-config, but only if we have it (ugly output + # results otherwise) + if test "x$PKG_CONFIG" != "x" ; then PKG_CHECK_MODULES(FREETYPE, freetype2, [FOUND_FREETYPE=yes], [FOUND_FREETYPE=no]) - if test "x$FOUND_FREETYPE" = xyes; then - # On solaris, pkg_check adds -lz to freetype libs, which isn't necessary for us. - FREETYPE_LIBS=`$ECHO $FREETYPE_LIBS | $SED 's/-lz//g'` - # 64-bit libs for Solaris x86 are installed in the amd64 subdirectory, change lib to lib/amd64 - if test "x$OPENJDK_TARGET_OS" = xsolaris && test "x$OPENJDK_TARGET_CPU" = xx86_64; then - FREETYPE_LIBS=`$ECHO $FREETYPE_LIBS | $SED 's?/lib?/lib/amd64?g'` - fi - # BDEPS_CHECK_MODULE will set FREETYPE_CFLAGS and _LIBS, but we don't get a lib path for bundling. - if test "x$BUNDLE_FREETYPE" = xyes; then - AC_MSG_NOTICE([Found freetype using pkg-config, but ignoring since we can not bundle that]) - FOUND_FREETYPE=no - else - AC_MSG_CHECKING([for freetype]) - AC_MSG_RESULT([yes (using pkg-config)]) - fi + if test "x$FOUND_FREETYPE" = "xyes" ; then + AC_MSG_CHECKING([for freetype]) + AC_MSG_RESULT([yes (using pkg-config)]) fi fi fi fi - if test "x$FOUND_FREETYPE" != xyes; then + if test "x$FOUND_FREETYPE" != "xyes" ; then # Check in well-known locations - if test "x$OPENJDK_TARGET_OS" = xwindows; then - FREETYPE_BASE_DIR="$PROGRAMFILES/GnuWin32" - BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(FREETYPE_BASE_DIR) - LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location]) - if test "x$FOUND_FREETYPE" != xyes; then - FREETYPE_BASE_DIR="$ProgramW6432/GnuWin32" - BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(FREETYPE_BASE_DIR) - LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location]) + FREETYPE_BASE_DIR="$SYSROOT/usr" + if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" ; then + LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], + [$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU-linux-gnu], [well-known location]) + if test "x$FOUND_FREETYPE" != "xyes" ; then + LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], + [$FREETYPE_BASE_DIR/lib64], [well-known location]) fi else - FREETYPE_BASE_DIR="$SYSROOT/usr" - LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location]) - - if test "x$FOUND_FREETYPE" != xyes; then - FREETYPE_BASE_DIR="$SYSROOT/usr/X11" - LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location]) + LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], + [$FREETYPE_BASE_DIR/lib/i386-linux-gnu], [well-known location]) + if test "x$FOUND_FREETYPE" != "xyes" ; then + LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], + [$FREETYPE_BASE_DIR/lib32], [well-known location]) fi + fi - if test "x$FOUND_FREETYPE" != xyes; then - FREETYPE_BASE_DIR="$SYSROOT/usr/sfw" - LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location]) - fi + if test "x$FOUND_FREETYPE" != "xyes" ; then + LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], + [$FREETYPE_BASE_DIR/lib], [well-known location]) + fi - if test "x$FOUND_FREETYPE" != xyes; then - FREETYPE_BASE_DIR="$SYSROOT/usr" - if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then - LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib/x86_64-linux-gnu], [well-known location]) - else - LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib/i386-linux-gnu], [well-known location]) - if test "x$FOUND_FREETYPE" != xyes; then - LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib32], [well-known location]) - fi - fi - fi + if test "x$FOUND_FREETYPE" != "xyes" ; then + LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], + [$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI], [well-known location]) + fi + + if test "x$FOUND_FREETYPE" != "xyes" ; then + LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], + [$FREETYPE_BASE_DIR/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI], [well-known location]) + fi + + if test "x$FOUND_FREETYPE" != "xyes" ; then + FREETYPE_BASE_DIR="$SYSROOT/usr/X11" + LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], + [$FREETYPE_BASE_DIR/lib], [well-known location]) + fi + + if test "x$FOUND_FREETYPE" != "xyes" ; then + FREETYPE_BASE_DIR="$SYSROOT/usr/local" + LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], + [$FREETYPE_BASE_DIR/lib], [well-known location]) fi fi # end check in well-known locations - if test "x$FOUND_FREETYPE" != xyes; then + if test "x$FOUND_FREETYPE" != "xyes" ; then HELP_MSG_MISSING_DEPENDENCY([freetype]) AC_MSG_ERROR([Could not find freetype! $HELP_MSG ]) fi fi # end user specified settings # Set FREETYPE_CFLAGS, _LIBS and _LIB_PATH from include and lib dir. - if test "x$FREETYPE_CFLAGS" = x; then - BASIC_FIXUP_PATH(FREETYPE_INCLUDE_PATH) - if test -d $FREETYPE_INCLUDE_PATH/freetype2/freetype; then + if test "x$FREETYPE_CFLAGS" = "x" ; then + if test -d $FREETYPE_INCLUDE_PATH/freetype2/freetype ; then FREETYPE_CFLAGS="-I$FREETYPE_INCLUDE_PATH/freetype2 -I$FREETYPE_INCLUDE_PATH" else FREETYPE_CFLAGS="-I$FREETYPE_INCLUDE_PATH" fi fi - if test "x$FREETYPE_LIBS" = x; then - BASIC_FIXUP_PATH(FREETYPE_LIB_PATH) - if test "x$OPENJDK_TARGET_OS" = xwindows; then - FREETYPE_LIBS="$FREETYPE_LIB_PATH/freetype.lib" - else - FREETYPE_LIBS="-L$FREETYPE_LIB_PATH -lfreetype" - fi - fi - - # Try to compile it - AC_MSG_CHECKING([if we can compile and link with freetype]) - AC_LANG_PUSH(C++) - PREV_CXXCFLAGS="$CXXFLAGS" - PREV_LIBS="$LIBS" - PREV_CXX="$CXX" - CXXFLAGS="$CXXFLAGS $FREETYPE_CFLAGS" - LIBS="$LIBS $FREETYPE_LIBS" - CXX="$FIXPATH $CXX" - AC_LINK_IFELSE([AC_LANG_SOURCE([[ - #include - #include FT_FREETYPE_H - int main () { - FT_Init_FreeType(NULL); - return 0; - } - ]])], - [ - AC_MSG_RESULT([yes]) - ], - [ - AC_MSG_RESULT([no]) - AC_MSG_NOTICE([Could not compile and link with freetype. This might be a 32/64-bit mismatch.]) - AC_MSG_NOTICE([Using FREETYPE_CFLAGS=$FREETYPE_CFLAGS and FREETYPE_LIBS=$FREETYPE_LIBS]) - - HELP_MSG_MISSING_DEPENDENCY([freetype]) - - AC_MSG_ERROR([Can not continue without freetype. $HELP_MSG]) - ] - ) - CXXCFLAGS="$PREV_CXXFLAGS" - LIBS="$PREV_LIBS" - CXX="$PREV_CXX" - AC_LANG_POP(C++) - - AC_MSG_CHECKING([if we should bundle freetype]) - if test "x$BUNDLE_FREETYPE" = xyes; then - FREETYPE_BUNDLE_LIB_PATH="$FREETYPE_LIB_PATH" + if test "x$FREETYPE_LIBS" = "x" ; then + FREETYPE_LIBS="-L$FREETYPE_LIB_PATH -l$FREETYPE_BASE_NAME" fi - AC_MSG_RESULT([$BUNDLE_FREETYPE]) + fi - fi # end freetype needed + AC_MSG_RESULT([Using freetype: $FREETYPE_TO_USE]) - AC_SUBST(FREETYPE_BUNDLE_LIB_PATH) + AC_SUBST(FREETYPE_TO_USE) AC_SUBST(FREETYPE_CFLAGS) AC_SUBST(FREETYPE_LIBS) ]) diff --git a/common/autoconf/spec.gmk.in b/common/autoconf/spec.gmk.in index 9573bb2cbd0..d5cd72b5ccc 100644 --- a/common/autoconf/spec.gmk.in +++ b/common/autoconf/spec.gmk.in @@ -304,9 +304,9 @@ SJAVAC_SERVER_DIR:=@SJAVAC_SERVER_DIR@ # Number of parallel jobs to use for compilation JOBS?=@JOBS@ +FREETYPE_TO_USE:=@FREETYPE_TO_USE@ FREETYPE_LIBS:=@FREETYPE_LIBS@ FREETYPE_CFLAGS:=@FREETYPE_CFLAGS@ -FREETYPE_BUNDLE_LIB_PATH=@FREETYPE_BUNDLE_LIB_PATH@ FONTCONFIG_CFLAGS:=@FONTCONFIG_CFLAGS@ CUPS_CFLAGS:=@CUPS_CFLAGS@ ALSA_LIBS:=@ALSA_LIBS@ diff --git a/doc/building.md b/doc/building.md index 460e4d12668..45d6165d52b 100644 --- a/doc/building.md +++ b/doc/building.md @@ -405,9 +405,6 @@ happens, read more below in [the `configure` options](#configureoptions). Some examples: -> **Windows 32bit build with freetype specified:** \ -> `bash ./configure --with-freetype=/cygdrive/c/freetype-i586 --with-target-bits=32` - > **Debug 64bit Build:** \ > `bash ./configure --enable-debug --with-target-bits=64` diff --git a/jdk/make/CopyFiles.gmk b/jdk/make/CopyFiles.gmk index bf2283963c4..8d6dfa30865 100644 --- a/jdk/make/CopyFiles.gmk +++ b/jdk/make/CopyFiles.gmk @@ -212,41 +212,6 @@ COPY_FILES += $(ICCPROFILE_TARGET_FILES) ########################################################################################## -ifneq ($(FREETYPE_BUNDLE_LIB_PATH), ) - # We need to bundle the freetype library, so it will be available at runtime as well as link time. - # - # NB: Default freetype build system uses -h linker option and - # result .so contains hardcoded library name that is later - # used for adding dependencies to other objects - # (e.g. libfontmanager.so). - # - # It is not obvious how to extract that hardcoded name (libfreetype.so.6) - # without overcomplicating logic here. - # To workaround this we hardcode .6 suffix for now. - # - # Note that .so.6 library will not be found by System.loadLibrary() - # but fortunately we need to load FreeType library explicitly - # on windows only - # - #TODO: rework this to avoid hardcoding library name in the makefile - # - ifeq ($(OPENJDK_TARGET_OS), windows) - FREETYPE_TARGET_LIB = $(JDK_OUTPUTDIR)/bin/$(call SHARED_LIBRARY,freetype) - else - FREETYPE_TARGET_LIB = $(JDK_OUTPUTDIR)/lib$(OPENJDK_TARGET_CPU_LIBDIR)/$(call SHARED_LIBRARY,freetype).6 - endif - - $(FREETYPE_TARGET_LIB): $(FREETYPE_BUNDLE_LIB_PATH)/$(call SHARED_LIBRARY,freetype) - $(CP) $(FREETYPE_BUNDLE_LIB_PATH)/$(call SHARED_LIBRARY,freetype) $@ - ifeq ($(OPENJDK_BUILD_OS), windows) - $(CHMOD) +rx $@ - endif - - COPY_FILES += $(FREETYPE_TARGET_LIB) -endif - -########################################################################################## - # Copy the microsoft runtime libraries on windows ifeq ($(OPENJDK_TARGET_OS), windows) diff --git a/jdk/make/lib/Awt2dLibraries.gmk b/jdk/make/lib/Awt2dLibraries.gmk index 01e0369017f..44db18b4a60 100644 --- a/jdk/make/lib/Awt2dLibraries.gmk +++ b/jdk/make/lib/Awt2dLibraries.gmk @@ -857,6 +857,51 @@ endif ########################################################################################## +ifeq ($(FREETYPE_TO_USE), system) + # For use by libfontmanager: + LIBFREETYPE_CFLAGS := $(FREETYPE_CFLAGS) + LIBFREETYPE_LIBS := $(FREETYPE_LIBS) +else + LIBFREETYPE_SRC := $(TOPDIR)/jdk/src/share/native/sun/awt/libfreetype + BUILD_LIBFREETYPE_HEADER_DIRS := $(LIBFREETYPE_SRC)/include + +# BUILD_LIBFREETYPE_HEADERS := $(addprefix -I, $(BUILD_LIBFREETYPE_HEADER_DIRS)) + + # For use by libfontmanager: + LIBFREETYPE_CFLAGS := -I$(LIBFREETYPE_SRC)/include + ifeq ($(OPENJDK_TARGET_OS), windows) + LIBFREETYPE_LIBS := $(JDK_OUTPUTDIR)/objs/libfreetype/freetype.lib + # freetype now requires you to manually define this (see ftconfig.h) + BUILD_LIBFREETYPE_CFLAGS += -DDLL_EXPORT + else + LIBFREETYPE_LIBS := -lfreetype + endif + + $(eval $(call SetupNativeCompilation,BUILD_LIBFREETYPE, \ + LIBRARY := freetype, \ + OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \ + SRC := $(LIBFREETYPE_SRC)/src, \ + LANG := C, \ + OPTIMIZATION := HIGHEST, \ + CFLAGS := $(CFLAGS_JDKLIB) $(LIBFREETYPE_CFLAGS) \ + $(BUILD_LIBFREETYPE_CFLAGS) \ + -DFT2_BUILD_LIBRARY, \ + LDFLAGS := $(LDFLAGS_JDKLIB) \ + $(call SET_SHARED_LIBRARY_ORIGIN), \ + VERSIONINFO_RESOURCE := $(GLOBAL_VERSION_INFO_RESOURCE), \ + RC_FLAGS := $(RC_FLAGS) \ + -D "JDK_FNAME=freetype.dll" \ + -D "JDK_INTERNAL_NAME=freetype" \ + -D "JDK_FTYPE=0x2L", \ + OBJECT_DIR := $(JDK_OUTPUTDIR)/objs/libfreetype, \ + DEBUG_SYMBOLS := $(DEBUG_ALL_BINARIES) \ + )) + + BUILD_LIBRARIES += $(BUILD_LIBFREETYPE) +endif + +########################################################################################## + ifndef OPENJDK FONT_HEADERS := -I$(JDK_TOPDIR)/src/closed/share/native/sun/font/t2k BUILD_LIBFONTMANAGER_MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libfontmanager/mapfile-vers @@ -897,6 +942,9 @@ BUILD_LIBFONTMANAGER_CFLAGS_COMMON := \ -I$(JDK_TOPDIR)/src/$(OPENJDK_TARGET_OS_API_DIR)/native/sun/java2d \ -I$(JDK_TOPDIR)/src/share/native/sun/java2d +BUILD_LIBFONTMANAGER_CFLAGS_COMMON += $(LIBFREETYPE_CFLAGS) +BUILD_LIBFONTMANAGER_FONTLIB += $(LIBFREETYPE_LIBS) + # Turn off aliasing with GCC for ExtensionSubtables.cpp ifeq ($(OPENJDK_TARGET_OS), linux) BUILD_LIBFONTMANAGER_ExtensionSubtables.cpp_CXXFLAGS := -fno-strict-aliasing diff --git a/jdk/src/share/classes/sun/font/FileFontStrike.java b/jdk/src/share/classes/sun/font/FileFontStrike.java index d423feb3258..acc131265dc 100644 --- a/jdk/src/share/classes/sun/font/FileFontStrike.java +++ b/jdk/src/share/classes/sun/font/FileFontStrike.java @@ -114,7 +114,7 @@ public class FileFontStrike extends PhysicalStrike { private static native boolean initNative(); private static boolean isXPorLater = false; static { - if (FontUtilities.isWindows && !FontUtilities.useT2K && + if (FontUtilities.isWindows && !FontUtilities.useJDKScaler && !GraphicsEnvironment.isHeadless()) { isXPorLater = initNative(); } @@ -228,7 +228,7 @@ public class FileFontStrike extends PhysicalStrike { * the JDK rasteriser supplied one (see getGlyphImageFromWindows()). */ if (FontUtilities.isWindows && isXPorLater && - !FontUtilities.useT2K && + !FontUtilities.useJDKScaler && !GraphicsEnvironment.isHeadless() && !fileFont.useJavaRasterizer && (desc.aaHint == INTVAL_TEXT_ANTIALIAS_LCD_HRGB || diff --git a/jdk/src/share/classes/sun/font/FontScaler.java b/jdk/src/share/classes/sun/font/FontScaler.java index fa3e275448a..840236e7634 100644 --- a/jdk/src/share/classes/sun/font/FontScaler.java +++ b/jdk/src/share/classes/sun/font/FontScaler.java @@ -94,7 +94,7 @@ public abstract class FontScaler implements DisposerRecord { boolean.class, int.class}; try { - if (FontUtilities.isOpenJDK) { + if (!FontUtilities.useT2K) { scalerClass = Class.forName("sun.font.FreetypeFontScaler"); } else { scalerClass = Class.forName("sun.font.T2KFontScaler"); diff --git a/jdk/src/share/classes/sun/font/FontUtilities.java b/jdk/src/share/classes/sun/font/FontUtilities.java index 7defc023f83..3f6bc7db4d0 100644 --- a/jdk/src/share/classes/sun/font/FontUtilities.java +++ b/jdk/src/share/classes/sun/font/FontUtilities.java @@ -57,6 +57,8 @@ public final class FontUtilities { public static boolean isOpenSolaris; + public static boolean useJDKScaler; + public static boolean useT2K; public static boolean isWindows; @@ -100,11 +102,26 @@ public Object run() { } } - String t2kStr = System.getProperty("sun.java2d.font.scaler"); - if (t2kStr != null) { - useT2K = "t2k".equals(t2kStr); + /* Support a value of "t2k" as meaning use the JDK internal + * scaler over the platform scaler whether or not t2k is + * actually available. + * This can be considered transitional support for some + * level of compatibility, as in it avoids the native scaler + * as before but cannot guarantee rendering equivalence + * with T2K. + * It will also use t2k instead of freetype if t2k is + * available - this is the same as before. + * The new value of "jdk" means even if t2k is available, + * the decision as to whether to use that or freetype is + * not affected by this setting. + */ + String scalerStr = System.getProperty("sun.java2d.font.scaler"); + if (scalerStr != null) { + useT2K = "t2k".equals(scalerStr); + useJDKScaler = useT2K || "jdk".equals(scalerStr); } else { useT2K = false; + useJDKScaler = false; } if (isSolaris) { String version = System.getProperty("os.version", "0.0"); diff --git a/jdk/src/share/classes/sun/font/TrueTypeFont.java b/jdk/src/share/classes/sun/font/TrueTypeFont.java index f39a27715ed..bf01a513a25 100644 --- a/jdk/src/share/classes/sun/font/TrueTypeFont.java +++ b/jdk/src/share/classes/sun/font/TrueTypeFont.java @@ -237,7 +237,7 @@ protected boolean checkUseNatives() { return useNatives; } if (!FontUtilities.isSolaris || useJavaRasterizer || - FontUtilities.useT2K || nativeNames == null || + FontUtilities.useJDKScaler || nativeNames == null || getDirectoryEntry(EBLCTag) != null || GraphicsEnvironment.isHeadless()) { checkedNatives = true; diff --git a/jdk/src/share/native/sun/awt/libfreetype/UPDATING.txt b/jdk/src/share/native/sun/awt/libfreetype/UPDATING.txt new file mode 100644 index 00000000000..ad062632312 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/UPDATING.txt @@ -0,0 +1,27 @@ +Tips and tasks when updating freetype sources to a newer version. +----------------------------------------------------------------- + +The freetype sources here are just the subset needed by JDK. This is deliberate. +When updating be sure to import only the same files. +If a file is no longer present in freetype, or renamed this will be noticed +during the copy. +Occasionally there may be a new missing dependency if freetype introduces +a new file or imports a file into these files that was not previously used. +Import just what is needed. + +Before attempting compilation be sure to diff the JDK copy and the freetype copy +of src/java.desktop/share/native/libfreetype/include/freetype/config/ftoption.h +and re-apply the same edits made for the JDK option file. +Notably JDK is not using GZIP or LZW or BDF support which are on by default +for the freetype distribution. +If you don't make the edits the build will fail due to not copying the relevant +sources. + +Use "expand" and "sed" to remove tabs and trailing white space from the imported +sources. The current version of freetype is quite clean in this respect. +./src/base/md5.h and ./src/base/md5.c are the only files with tabs, +and ./include/freetype/ftdriver.h has the only trailing white space. +If you forget this step, or aren't thorough, jcheck will remind you. + +Remember to update the freetype version identified in +src/java.desktop/share/legal/freetype.md diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftconfig.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftconfig.h new file mode 100644 index 00000000000..f539e9a17a7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftconfig.h @@ -0,0 +1,562 @@ +/***************************************************************************/ +/* */ +/* ftconfig.h */ +/* */ +/* ANSI-specific configuration file (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This header file contains a number of macro definitions that are used */ + /* by the rest of the engine. Most of the macros here are automatically */ + /* determined at compile time, and you should not need to change it to */ + /* port FreeType, except to compile the library with a non-ANSI */ + /* compiler. */ + /* */ + /* Note however that if some specific modifications are needed, we */ + /* advise you to place a modified copy in your build directory. */ + /* */ + /* The build directory is usually `builds/', and contains */ + /* system-specific files that are always included first when building */ + /* the library. */ + /* */ + /* This ANSI version should stay in `include/config/'. */ + /* */ + /*************************************************************************/ + +#ifndef FTCONFIG_H_ +#define FTCONFIG_H_ + +#include +#include FT_CONFIG_OPTIONS_H +#include FT_CONFIG_STANDARD_LIBRARY_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* PLATFORM-SPECIFIC CONFIGURATION MACROS */ + /* */ + /* These macros can be toggled to suit a specific system. The current */ + /* ones are defaults used to compile FreeType in an ANSI C environment */ + /* (16bit compilers are also supported). Copy this file to your own */ + /* `builds/' directory, and edit it to port the engine. */ + /* */ + /*************************************************************************/ + + + /* There are systems (like the Texas Instruments 'C54x) where a `char' */ + /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */ + /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */ + /* is probably unexpected. */ + /* */ + /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */ + /* `char' type. */ + +#ifndef FT_CHAR_BIT +#define FT_CHAR_BIT CHAR_BIT +#endif + + + /* The size of an `int' type. */ +#if FT_UINT_MAX == 0xFFFFUL +#define FT_SIZEOF_INT ( 16 / FT_CHAR_BIT ) +#elif FT_UINT_MAX == 0xFFFFFFFFUL +#define FT_SIZEOF_INT ( 32 / FT_CHAR_BIT ) +#elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL +#define FT_SIZEOF_INT ( 64 / FT_CHAR_BIT ) +#else +#error "Unsupported size of `int' type!" +#endif + + /* The size of a `long' type. A five-byte `long' (as used e.g. on the */ + /* DM642) is recognized but avoided. */ +#if FT_ULONG_MAX == 0xFFFFFFFFUL +#define FT_SIZEOF_LONG ( 32 / FT_CHAR_BIT ) +#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL +#define FT_SIZEOF_LONG ( 32 / FT_CHAR_BIT ) +#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL +#define FT_SIZEOF_LONG ( 64 / FT_CHAR_BIT ) +#else +#error "Unsupported size of `long' type!" +#endif + + + /* FT_UNUSED is a macro used to indicate that a given parameter is not */ + /* used -- this is only used to get rid of unpleasant compiler warnings */ +#ifndef FT_UNUSED +#define FT_UNUSED( arg ) ( (arg) = (arg) ) +#endif + + + /*************************************************************************/ + /* */ + /* AUTOMATIC CONFIGURATION MACROS */ + /* */ + /* These macros are computed from the ones defined above. Don't touch */ + /* their definition, unless you know precisely what you are doing. No */ + /* porter should need to mess with them. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* Mac support */ + /* */ + /* This is the only necessary change, so it is defined here instead */ + /* providing a new configuration file. */ + /* */ +#if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) ) + /* no Carbon frameworks for 64bit 10.4.x */ + /* AvailabilityMacros.h is available since Mac OS X 10.2, */ + /* so guess the system version by maximum errno before inclusion */ +#include +#ifdef ECANCELED /* defined since 10.2 */ +#include "AvailabilityMacros.h" +#endif +#if defined( __LP64__ ) && \ + ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 ) +#undef FT_MACINTOSH +#endif + +#elif defined( __SC__ ) || defined( __MRC__ ) + /* Classic MacOS compilers */ +#include "ConditionalMacros.h" +#if TARGET_OS_MAC +#define FT_MACINTOSH 1 +#endif + +#endif + + + /* Fix compiler warning with sgi compiler */ +#if defined( __sgi ) && !defined( __GNUC__ ) +#if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 ) +#pragma set woff 3505 +#endif +#endif + + + /*************************************************************************/ + /* */ + /*
*/ + /* basic_types */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* */ + /* FT_Int16 */ + /* */ + /* */ + /* A typedef for a 16bit signed integer type. */ + /* */ + typedef signed short FT_Int16; + + + /*************************************************************************/ + /* */ + /* */ + /* FT_UInt16 */ + /* */ + /* */ + /* A typedef for a 16bit unsigned integer type. */ + /* */ + typedef unsigned short FT_UInt16; + + /* */ + + + /* this #if 0 ... #endif clause is for documentation purposes */ +#if 0 + + /*************************************************************************/ + /* */ + /* */ + /* FT_Int32 */ + /* */ + /* */ + /* A typedef for a 32bit signed integer type. The size depends on */ + /* the configuration. */ + /* */ + typedef signed XXX FT_Int32; + + + /*************************************************************************/ + /* */ + /* */ + /* FT_UInt32 */ + /* */ + /* A typedef for a 32bit unsigned integer type. The size depends on */ + /* the configuration. */ + /* */ + typedef unsigned XXX FT_UInt32; + + + /*************************************************************************/ + /* */ + /* */ + /* FT_Int64 */ + /* */ + /* A typedef for a 64bit signed integer type. The size depends on */ + /* the configuration. Only defined if there is real 64bit support; */ + /* otherwise, it gets emulated with a structure (if necessary). */ + /* */ + typedef signed XXX FT_Int64; + + + /*************************************************************************/ + /* */ + /* */ + /* FT_UInt64 */ + /* */ + /* A typedef for a 64bit unsigned integer type. The size depends on */ + /* the configuration. Only defined if there is real 64bit support; */ + /* otherwise, it gets emulated with a structure (if necessary). */ + /* */ + typedef unsigned XXX FT_UInt64; + + /* */ + +#endif + +#if FT_SIZEOF_INT == ( 32 / FT_CHAR_BIT ) + + typedef signed int FT_Int32; + typedef unsigned int FT_UInt32; + +#elif FT_SIZEOF_LONG == ( 32 / FT_CHAR_BIT ) + + typedef signed long FT_Int32; + typedef unsigned long FT_UInt32; + +#else +#error "no 32bit type found -- please check your configuration files" +#endif + + + /* look up an integer type that is at least 32 bits */ +#if FT_SIZEOF_INT >= ( 32 / FT_CHAR_BIT ) + + typedef int FT_Fast; + typedef unsigned int FT_UFast; + +#elif FT_SIZEOF_LONG >= ( 32 / FT_CHAR_BIT ) + + typedef long FT_Fast; + typedef unsigned long FT_UFast; + +#endif + + + /* determine whether we have a 64-bit int type for platforms without */ + /* Autoconf */ +#if FT_SIZEOF_LONG == ( 64 / FT_CHAR_BIT ) + + /* FT_LONG64 must be defined if a 64-bit type is available */ +#define FT_LONG64 +#define FT_INT64 long +#define FT_UINT64 unsigned long + + /*************************************************************************/ + /* */ + /* A 64-bit data type may create compilation problems if you compile */ + /* in strict ANSI mode. To avoid them, we disable other 64-bit data */ + /* types if __STDC__ is defined. You can however ignore this rule */ + /* by defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */ + /* */ +#elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 ) + +#if defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 199901L + +#define FT_LONG64 +#define FT_INT64 long long int +#define FT_UINT64 unsigned long long int + +#elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ + + /* this compiler provides the __int64 type */ +#define FT_LONG64 +#define FT_INT64 __int64 +#define FT_UINT64 unsigned __int64 + +#elif defined( __BORLANDC__ ) /* Borland C++ */ + + /* XXXX: We should probably check the value of __BORLANDC__ in order */ + /* to test the compiler version. */ + + /* this compiler provides the __int64 type */ +#define FT_LONG64 +#define FT_INT64 __int64 +#define FT_UINT64 unsigned __int64 + +#elif defined( __WATCOMC__ ) /* Watcom C++ */ + + /* Watcom doesn't provide 64-bit data types */ + +#elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */ + +#define FT_LONG64 +#define FT_INT64 long long int +#define FT_UINT64 unsigned long long int + +#elif defined( __GNUC__ ) + + /* GCC provides the `long long' type */ +#define FT_LONG64 +#define FT_INT64 long long int +#define FT_UINT64 unsigned long long int + +#endif /* __STDC_VERSION__ >= 199901L */ + +#endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */ + +#ifdef FT_LONG64 + typedef FT_INT64 FT_Int64; + typedef FT_UINT64 FT_UInt64; +#endif + + +#ifdef _WIN64 + /* only 64bit Windows uses the LLP64 data model, i.e., */ + /* 32bit integers, 64bit pointers */ +#define FT_UINT_TO_POINTER( x ) (void*)(unsigned __int64)(x) +#else +#define FT_UINT_TO_POINTER( x ) (void*)(unsigned long)(x) +#endif + + + /*************************************************************************/ + /* */ + /* miscellaneous */ + /* */ + /*************************************************************************/ + + +#define FT_BEGIN_STMNT do { +#define FT_END_STMNT } while ( 0 ) +#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT + + + /* typeof condition taken from gnulib's `intprops.h' header file */ +#if ( ( defined( __GNUC__ ) && __GNUC__ >= 2 ) || \ + ( defined( __IBMC__ ) && __IBMC__ >= 1210 && \ + defined( __IBM__TYPEOF__ ) ) || \ + ( defined( __SUNPRO_C ) && __SUNPRO_C >= 0x5110 && !__STDC__ ) ) +#define FT_TYPEOF( type ) ( __typeof__ ( type ) ) +#else +#define FT_TYPEOF( type ) /* empty */ +#endif + + + /* Use FT_LOCAL and FT_LOCAL_DEF to declare and define, respectively, */ + /* a function that gets used only within the scope of a module. */ + /* Normally, both the header and source code files for such a */ + /* function are within a single module directory. */ + /* */ + /* Intra-module arrays should be tagged with FT_LOCAL_ARRAY and */ + /* FT_LOCAL_ARRAY_DEF. */ + /* */ +#ifdef FT_MAKE_OPTION_SINGLE_OBJECT + +#define FT_LOCAL( x ) static x +#define FT_LOCAL_DEF( x ) static x + +#else + +#ifdef __cplusplus +#define FT_LOCAL( x ) extern "C" x +#define FT_LOCAL_DEF( x ) extern "C" x +#else +#define FT_LOCAL( x ) extern x +#define FT_LOCAL_DEF( x ) x +#endif + +#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ + +#define FT_LOCAL_ARRAY( x ) extern const x +#define FT_LOCAL_ARRAY_DEF( x ) const x + + + /* Use FT_BASE and FT_BASE_DEF to declare and define, respectively, */ + /* functions that are used in more than a single module. In the */ + /* current setup this implies that the declaration is in a header */ + /* file in the `include/freetype/internal' directory, and the */ + /* function body is in a file in `src/base'. */ + /* */ +#ifndef FT_BASE + +#ifdef __cplusplus +#define FT_BASE( x ) extern "C" x +#else +#define FT_BASE( x ) extern x +#endif + +#endif /* !FT_BASE */ + + +#ifndef FT_BASE_DEF + +#ifdef __cplusplus +#define FT_BASE_DEF( x ) x +#else +#define FT_BASE_DEF( x ) x +#endif + +#endif /* !FT_BASE_DEF */ + + + /* When compiling FreeType as a DLL, some systems/compilers need a */ + /* special attribute in front OR after the return type of function */ + /* declarations. */ + /* */ + /* Two macros are used within the FreeType source code to define */ + /* exported library functions: FT_EXPORT and FT_EXPORT_DEF. */ + /* */ + /* FT_EXPORT( return_type ) */ + /* */ + /* is used in a function declaration, as in */ + /* */ + /* FT_EXPORT( FT_Error ) */ + /* FT_Init_FreeType( FT_Library* alibrary ); */ + /* */ + /* */ + /* FT_EXPORT_DEF( return_type ) */ + /* */ + /* is used in a function definition, as in */ + /* */ + /* FT_EXPORT_DEF( FT_Error ) */ + /* FT_Init_FreeType( FT_Library* alibrary ) */ + /* { */ + /* ... some code ... */ + /* return FT_Err_Ok; */ + /* } */ + /* */ + /* You can provide your own implementation of FT_EXPORT and */ + /* FT_EXPORT_DEF here if you want. */ + /* */ + /* To export a variable, use FT_EXPORT_VAR. */ + /* */ +#ifndef FT_EXPORT + +#ifdef __cplusplus +#define FT_EXPORT( x ) extern "C" x +#else +#define FT_EXPORT( x ) extern x +#endif + +#ifdef _MSC_VER +#undef FT_EXPORT +#ifdef _DLL +#define FT_EXPORT( x ) __declspec( dllexport ) x +#else +#define FT_EXPORT( x ) __declspec( dllimport ) x +#endif +#endif + +#endif /* !FT_EXPORT */ + + +#ifndef FT_EXPORT_DEF + +#ifdef __cplusplus +#define FT_EXPORT_DEF( x ) extern "C" x +#else +#define FT_EXPORT_DEF( x ) extern x +#endif + +#endif /* !FT_EXPORT_DEF */ + + +#ifndef FT_EXPORT_VAR + +#ifdef __cplusplus +#define FT_EXPORT_VAR( x ) extern "C" x +#else +#define FT_EXPORT_VAR( x ) extern x +#endif + +#endif /* !FT_EXPORT_VAR */ + + + /* The following macros are needed to compile the library with a */ + /* C++ compiler and with 16bit compilers. */ + /* */ + + /* This is special. Within C++, you must specify `extern "C"' for */ + /* functions which are used via function pointers, and you also */ + /* must do that for structures which contain function pointers to */ + /* assure C linkage -- it's not possible to have (local) anonymous */ + /* functions which are accessed by (global) function pointers. */ + /* */ + /* */ + /* FT_CALLBACK_DEF is used to _define_ a callback function, */ + /* located in the same source code file as the structure that uses */ + /* it. */ + /* */ + /* FT_BASE_CALLBACK and FT_BASE_CALLBACK_DEF are used to declare */ + /* and define a callback function, respectively, in a similar way */ + /* as FT_BASE and FT_BASE_DEF work. */ + /* */ + /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */ + /* contains pointers to callback functions. */ + /* */ + /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */ + /* that contains pointers to callback functions. */ + /* */ + /* */ + /* Some 16bit compilers have to redefine these macros to insert */ + /* the infamous `_cdecl' or `__fastcall' declarations. */ + /* */ +#ifndef FT_CALLBACK_DEF +#ifdef __cplusplus +#define FT_CALLBACK_DEF( x ) extern "C" x +#else +#define FT_CALLBACK_DEF( x ) static x +#endif +#endif /* FT_CALLBACK_DEF */ + +#ifndef FT_BASE_CALLBACK +#ifdef __cplusplus +#define FT_BASE_CALLBACK( x ) extern "C" x +#define FT_BASE_CALLBACK_DEF( x ) extern "C" x +#else +#define FT_BASE_CALLBACK( x ) extern x +#define FT_BASE_CALLBACK_DEF( x ) x +#endif +#endif /* FT_BASE_CALLBACK */ + +#ifndef FT_CALLBACK_TABLE +#ifdef __cplusplus +#define FT_CALLBACK_TABLE extern "C" +#define FT_CALLBACK_TABLE_DEF extern "C" +#else +#define FT_CALLBACK_TABLE extern +#define FT_CALLBACK_TABLE_DEF /* nothing */ +#endif +#endif /* FT_CALLBACK_TABLE */ + + +FT_END_HEADER + + +#endif /* FTCONFIG_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftheader.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftheader.h new file mode 100644 index 00000000000..702f77cc422 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftheader.h @@ -0,0 +1,804 @@ +/***************************************************************************/ +/* */ +/* ftheader.h */ +/* */ +/* Build macros of the FreeType 2 library. */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +#ifndef FTHEADER_H_ +#define FTHEADER_H_ + + + /*@***********************************************************************/ + /* */ + /* */ + /* FT_BEGIN_HEADER */ + /* */ + /* */ + /* This macro is used in association with @FT_END_HEADER in header */ + /* files to ensure that the declarations within are properly */ + /* encapsulated in an `extern "C" { .. }' block when included from a */ + /* C++ compiler. */ + /* */ +#ifdef __cplusplus +#define FT_BEGIN_HEADER extern "C" { +#else +#define FT_BEGIN_HEADER /* nothing */ +#endif + + + /*@***********************************************************************/ + /* */ + /* */ + /* FT_END_HEADER */ + /* */ + /* */ + /* This macro is used in association with @FT_BEGIN_HEADER in header */ + /* files to ensure that the declarations within are properly */ + /* encapsulated in an `extern "C" { .. }' block when included from a */ + /* C++ compiler. */ + /* */ +#ifdef __cplusplus +#define FT_END_HEADER } +#else +#define FT_END_HEADER /* nothing */ +#endif + + + /*************************************************************************/ + /* */ + /* Aliases for the FreeType 2 public and configuration files. */ + /* */ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /*
*/ + /* header_file_macros */ + /* */ + /* */ + /* Header File Macros */ + /* */ + /* <Abstract> */ + /* Macro definitions used to #include specific header files. */ + /* */ + /* <Description> */ + /* The following macros are defined to the name of specific */ + /* FreeType~2 header files. They can be used directly in #include */ + /* statements as in: */ + /* */ + /* { */ + /* #include FT_FREETYPE_H */ + /* #include FT_MULTIPLE_MASTERS_H */ + /* #include FT_GLYPH_H */ + /* } */ + /* */ + /* There are several reasons why we are now using macros to name */ + /* public header files. The first one is that such macros are not */ + /* limited to the infamous 8.3~naming rule required by DOS (and */ + /* `FT_MULTIPLE_MASTERS_H' is a lot more meaningful than `ftmm.h'). */ + /* */ + /* The second reason is that it allows for more flexibility in the */ + /* way FreeType~2 is installed on a given system. */ + /* */ + /*************************************************************************/ + + + /* configuration files */ + + /************************************************************************* + * + * @macro: + * FT_CONFIG_CONFIG_H + * + * @description: + * A macro used in #include statements to name the file containing + * FreeType~2 configuration data. + * + */ +#ifndef FT_CONFIG_CONFIG_H +#define FT_CONFIG_CONFIG_H <freetype/config/ftconfig.h> +#endif + + + /************************************************************************* + * + * @macro: + * FT_CONFIG_STANDARD_LIBRARY_H + * + * @description: + * A macro used in #include statements to name the file containing + * FreeType~2 interface to the standard C library functions. + * + */ +#ifndef FT_CONFIG_STANDARD_LIBRARY_H +#define FT_CONFIG_STANDARD_LIBRARY_H <freetype/config/ftstdlib.h> +#endif + + + /************************************************************************* + * + * @macro: + * FT_CONFIG_OPTIONS_H + * + * @description: + * A macro used in #include statements to name the file containing + * FreeType~2 project-specific configuration options. + * + */ +#ifndef FT_CONFIG_OPTIONS_H +#define FT_CONFIG_OPTIONS_H <freetype/config/ftoption.h> +#endif + + + /************************************************************************* + * + * @macro: + * FT_CONFIG_MODULES_H + * + * @description: + * A macro used in #include statements to name the file containing the + * list of FreeType~2 modules that are statically linked to new library + * instances in @FT_Init_FreeType. + * + */ +#ifndef FT_CONFIG_MODULES_H +#define FT_CONFIG_MODULES_H <freetype/config/ftmodule.h> +#endif + + /* */ + + /* public headers */ + + /************************************************************************* + * + * @macro: + * FT_FREETYPE_H + * + * @description: + * A macro used in #include statements to name the file containing the + * base FreeType~2 API. + * + */ +#define FT_FREETYPE_H <freetype/freetype.h> + + + /************************************************************************* + * + * @macro: + * FT_ERRORS_H + * + * @description: + * A macro used in #include statements to name the file containing the + * list of FreeType~2 error codes (and messages). + * + * It is included by @FT_FREETYPE_H. + * + */ +#define FT_ERRORS_H <freetype/fterrors.h> + + + /************************************************************************* + * + * @macro: + * FT_MODULE_ERRORS_H + * + * @description: + * A macro used in #include statements to name the file containing the + * list of FreeType~2 module error offsets (and messages). + * + */ +#define FT_MODULE_ERRORS_H <freetype/ftmoderr.h> + + + /************************************************************************* + * + * @macro: + * FT_SYSTEM_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 interface to low-level operations (i.e., memory management + * and stream i/o). + * + * It is included by @FT_FREETYPE_H. + * + */ +#define FT_SYSTEM_H <freetype/ftsystem.h> + + + /************************************************************************* + * + * @macro: + * FT_IMAGE_H + * + * @description: + * A macro used in #include statements to name the file containing type + * definitions related to glyph images (i.e., bitmaps, outlines, + * scan-converter parameters). + * + * It is included by @FT_FREETYPE_H. + * + */ +#define FT_IMAGE_H <freetype/ftimage.h> + + + /************************************************************************* + * + * @macro: + * FT_TYPES_H + * + * @description: + * A macro used in #include statements to name the file containing the + * basic data types defined by FreeType~2. + * + * It is included by @FT_FREETYPE_H. + * + */ +#define FT_TYPES_H <freetype/fttypes.h> + + + /************************************************************************* + * + * @macro: + * FT_LIST_H + * + * @description: + * A macro used in #include statements to name the file containing the + * list management API of FreeType~2. + * + * (Most applications will never need to include this file.) + * + */ +#define FT_LIST_H <freetype/ftlist.h> + + + /************************************************************************* + * + * @macro: + * FT_OUTLINE_H + * + * @description: + * A macro used in #include statements to name the file containing the + * scalable outline management API of FreeType~2. + * + */ +#define FT_OUTLINE_H <freetype/ftoutln.h> + + + /************************************************************************* + * + * @macro: + * FT_SIZES_H + * + * @description: + * A macro used in #include statements to name the file containing the + * API which manages multiple @FT_Size objects per face. + * + */ +#define FT_SIZES_H <freetype/ftsizes.h> + + + /************************************************************************* + * + * @macro: + * FT_MODULE_H + * + * @description: + * A macro used in #include statements to name the file containing the + * module management API of FreeType~2. + * + */ +#define FT_MODULE_H <freetype/ftmodapi.h> + + + /************************************************************************* + * + * @macro: + * FT_RENDER_H + * + * @description: + * A macro used in #include statements to name the file containing the + * renderer module management API of FreeType~2. + * + */ +#define FT_RENDER_H <freetype/ftrender.h> + + + /************************************************************************* + * + * @macro: + * FT_DRIVER_H + * + * @description: + * A macro used in #include statements to name the file containing + * structures and macros related to the driver modules. + * + */ +#define FT_DRIVER_H <freetype/ftdriver.h> + + + /************************************************************************* + * + * @macro: + * FT_AUTOHINTER_H + * + * @description: + * A macro used in #include statements to name the file containing + * structures and macros related to the auto-hinting module. + * + * Deprecated since version 2.9; use @FT_DRIVER_H instead. + * + */ +#define FT_AUTOHINTER_H FT_DRIVER_H + + + /************************************************************************* + * + * @macro: + * FT_CFF_DRIVER_H + * + * @description: + * A macro used in #include statements to name the file containing + * structures and macros related to the CFF driver module. + * + * Deprecated since version 2.9; use @FT_DRIVER_H instead. + * + */ +#define FT_CFF_DRIVER_H FT_DRIVER_H + + + /************************************************************************* + * + * @macro: + * FT_TRUETYPE_DRIVER_H + * + * @description: + * A macro used in #include statements to name the file containing + * structures and macros related to the TrueType driver module. + * + * Deprecated since version 2.9; use @FT_DRIVER_H instead. + * + */ +#define FT_TRUETYPE_DRIVER_H FT_DRIVER_H + + + /************************************************************************* + * + * @macro: + * FT_PCF_DRIVER_H + * + * @description: + * A macro used in #include statements to name the file containing + * structures and macros related to the PCF driver module. + * + * Deprecated since version 2.9; use @FT_DRIVER_H instead. + * + */ +#define FT_PCF_DRIVER_H FT_DRIVER_H + + + /************************************************************************* + * + * @macro: + * FT_TYPE1_TABLES_H + * + * @description: + * A macro used in #include statements to name the file containing the + * types and API specific to the Type~1 format. + * + */ +#define FT_TYPE1_TABLES_H <freetype/t1tables.h> + + + /************************************************************************* + * + * @macro: + * FT_TRUETYPE_IDS_H + * + * @description: + * A macro used in #include statements to name the file containing the + * enumeration values which identify name strings, languages, encodings, + * etc. This file really contains a _large_ set of constant macro + * definitions, taken from the TrueType and OpenType specifications. + * + */ +#define FT_TRUETYPE_IDS_H <freetype/ttnameid.h> + + + /************************************************************************* + * + * @macro: + * FT_TRUETYPE_TABLES_H + * + * @description: + * A macro used in #include statements to name the file containing the + * types and API specific to the TrueType (as well as OpenType) format. + * + */ +#define FT_TRUETYPE_TABLES_H <freetype/tttables.h> + + + /************************************************************************* + * + * @macro: + * FT_TRUETYPE_TAGS_H + * + * @description: + * A macro used in #include statements to name the file containing the + * definitions of TrueType four-byte `tags' which identify blocks in + * SFNT-based font formats (i.e., TrueType and OpenType). + * + */ +#define FT_TRUETYPE_TAGS_H <freetype/tttags.h> + + + /************************************************************************* + * + * @macro: + * FT_BDF_H + * + * @description: + * A macro used in #include statements to name the file containing the + * definitions of an API which accesses BDF-specific strings from a + * face. + * + */ +#define FT_BDF_H <freetype/ftbdf.h> + + + /************************************************************************* + * + * @macro: + * FT_CID_H + * + * @description: + * A macro used in #include statements to name the file containing the + * definitions of an API which access CID font information from a + * face. + * + */ +#define FT_CID_H <freetype/ftcid.h> + + + /************************************************************************* + * + * @macro: + * FT_GZIP_H + * + * @description: + * A macro used in #include statements to name the file containing the + * definitions of an API which supports gzip-compressed files. + * + */ +#define FT_GZIP_H <freetype/ftgzip.h> + + + /************************************************************************* + * + * @macro: + * FT_LZW_H + * + * @description: + * A macro used in #include statements to name the file containing the + * definitions of an API which supports LZW-compressed files. + * + */ +#define FT_LZW_H <freetype/ftlzw.h> + + + /************************************************************************* + * + * @macro: + * FT_BZIP2_H + * + * @description: + * A macro used in #include statements to name the file containing the + * definitions of an API which supports bzip2-compressed files. + * + */ +#define FT_BZIP2_H <freetype/ftbzip2.h> + + + /************************************************************************* + * + * @macro: + * FT_WINFONTS_H + * + * @description: + * A macro used in #include statements to name the file containing the + * definitions of an API which supports Windows FNT files. + * + */ +#define FT_WINFONTS_H <freetype/ftwinfnt.h> + + + /************************************************************************* + * + * @macro: + * FT_GLYPH_H + * + * @description: + * A macro used in #include statements to name the file containing the + * API of the optional glyph management component. + * + */ +#define FT_GLYPH_H <freetype/ftglyph.h> + + + /************************************************************************* + * + * @macro: + * FT_BITMAP_H + * + * @description: + * A macro used in #include statements to name the file containing the + * API of the optional bitmap conversion component. + * + */ +#define FT_BITMAP_H <freetype/ftbitmap.h> + + + /************************************************************************* + * + * @macro: + * FT_BBOX_H + * + * @description: + * A macro used in #include statements to name the file containing the + * API of the optional exact bounding box computation routines. + * + */ +#define FT_BBOX_H <freetype/ftbbox.h> + + + /************************************************************************* + * + * @macro: + * FT_CACHE_H + * + * @description: + * A macro used in #include statements to name the file containing the + * API of the optional FreeType~2 cache sub-system. + * + */ +#define FT_CACHE_H <freetype/ftcache.h> + + + /************************************************************************* + * + * @macro: + * FT_MAC_H + * + * @description: + * A macro used in #include statements to name the file containing the + * Macintosh-specific FreeType~2 API. The latter is used to access + * fonts embedded in resource forks. + * + * This header file must be explicitly included by client applications + * compiled on the Mac (note that the base API still works though). + * + */ +#define FT_MAC_H <freetype/ftmac.h> + + + /************************************************************************* + * + * @macro: + * FT_MULTIPLE_MASTERS_H + * + * @description: + * A macro used in #include statements to name the file containing the + * optional multiple-masters management API of FreeType~2. + * + */ +#define FT_MULTIPLE_MASTERS_H <freetype/ftmm.h> + + + /************************************************************************* + * + * @macro: + * FT_SFNT_NAMES_H + * + * @description: + * A macro used in #include statements to name the file containing the + * optional FreeType~2 API which accesses embedded `name' strings in + * SFNT-based font formats (i.e., TrueType and OpenType). + * + */ +#define FT_SFNT_NAMES_H <freetype/ftsnames.h> + + + /************************************************************************* + * + * @macro: + * FT_OPENTYPE_VALIDATE_H + * + * @description: + * A macro used in #include statements to name the file containing the + * optional FreeType~2 API which validates OpenType tables (BASE, GDEF, + * GPOS, GSUB, JSTF). + * + */ +#define FT_OPENTYPE_VALIDATE_H <freetype/ftotval.h> + + + /************************************************************************* + * + * @macro: + * FT_GX_VALIDATE_H + * + * @description: + * A macro used in #include statements to name the file containing the + * optional FreeType~2 API which validates TrueTypeGX/AAT tables (feat, + * mort, morx, bsln, just, kern, opbd, trak, prop). + * + */ +#define FT_GX_VALIDATE_H <freetype/ftgxval.h> + + + /************************************************************************* + * + * @macro: + * FT_PFR_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 API which accesses PFR-specific data. + * + */ +#define FT_PFR_H <freetype/ftpfr.h> + + + /************************************************************************* + * + * @macro: + * FT_STROKER_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 API which provides functions to stroke outline paths. + */ +#define FT_STROKER_H <freetype/ftstroke.h> + + + /************************************************************************* + * + * @macro: + * FT_SYNTHESIS_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 API which performs artificial obliquing and emboldening. + */ +#define FT_SYNTHESIS_H <freetype/ftsynth.h> + + + /************************************************************************* + * + * @macro: + * FT_FONT_FORMATS_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 API which provides functions specific to font formats. + */ +#define FT_FONT_FORMATS_H <freetype/ftfntfmt.h> + + /* deprecated */ +#define FT_XFREE86_H FT_FONT_FORMATS_H + + + /************************************************************************* + * + * @macro: + * FT_TRIGONOMETRY_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 API which performs trigonometric computations (e.g., + * cosines and arc tangents). + */ +#define FT_TRIGONOMETRY_H <freetype/fttrigon.h> + + + /************************************************************************* + * + * @macro: + * FT_LCD_FILTER_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 API which performs color filtering for subpixel rendering. + */ +#define FT_LCD_FILTER_H <freetype/ftlcdfil.h> + + + /************************************************************************* + * + * @macro: + * FT_INCREMENTAL_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 API which performs incremental glyph loading. + */ +#define FT_INCREMENTAL_H <freetype/ftincrem.h> + + + /************************************************************************* + * + * @macro: + * FT_GASP_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 API which returns entries from the TrueType GASP table. + */ +#define FT_GASP_H <freetype/ftgasp.h> + + + /************************************************************************* + * + * @macro: + * FT_ADVANCES_H + * + * @description: + * A macro used in #include statements to name the file containing the + * FreeType~2 API which returns individual and ranged glyph advances. + */ +#define FT_ADVANCES_H <freetype/ftadvanc.h> + + + /* */ + + /* These header files don't need to be included by the user. */ +#define FT_ERROR_DEFINITIONS_H <freetype/fterrdef.h> +#define FT_PARAMETER_TAGS_H <freetype/ftparams.h> + + /* Deprecated macros. */ +#define FT_UNPATENTED_HINTING_H <freetype/ftparams.h> +#define FT_TRUETYPE_UNPATENTED_H <freetype/ftparams.h> + + /* FT_CACHE_H is the only header file needed for the cache subsystem. */ +#define FT_CACHE_IMAGE_H FT_CACHE_H +#define FT_CACHE_SMALL_BITMAPS_H FT_CACHE_H +#define FT_CACHE_CHARMAP_H FT_CACHE_H + + /* The internals of the cache sub-system are no longer exposed. We */ + /* default to FT_CACHE_H at the moment just in case, but we know of */ + /* no rogue client that uses them. */ + /* */ +#define FT_CACHE_MANAGER_H FT_CACHE_H +#define FT_CACHE_INTERNAL_MRU_H FT_CACHE_H +#define FT_CACHE_INTERNAL_MANAGER_H FT_CACHE_H +#define FT_CACHE_INTERNAL_CACHE_H FT_CACHE_H +#define FT_CACHE_INTERNAL_GLYPH_H FT_CACHE_H +#define FT_CACHE_INTERNAL_IMAGE_H FT_CACHE_H +#define FT_CACHE_INTERNAL_SBITS_H FT_CACHE_H + + + /* + * Include internal headers definitions from <internal/...> + * only when building the library. + */ +#ifdef FT2_BUILD_LIBRARY +#define FT_INTERNAL_INTERNAL_H <freetype/internal/internal.h> +#include FT_INTERNAL_INTERNAL_H +#endif /* FT2_BUILD_LIBRARY */ + + +#endif /* FTHEADER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftmodule.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftmodule.h new file mode 100644 index 00000000000..139014404ce --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftmodule.h @@ -0,0 +1,32 @@ +/* + * This file registers the FreeType modules compiled into the library. + * + * If you use GNU make, this file IS NOT USED! Instead, it is created in + * the objects directory (normally `<topdir>/objs/') based on information + * from `<topdir>/modules.cfg'. + * + * Please read `docs/INSTALL.ANY' and `docs/CUSTOMIZE' how to compile + * FreeType without GNU make. + * + */ + +FT_USE_MODULE( FT_Module_Class, autofit_module_class ) +FT_USE_MODULE( FT_Driver_ClassRec, tt_driver_class ) +FT_USE_MODULE( FT_Driver_ClassRec, t1_driver_class ) +FT_USE_MODULE( FT_Driver_ClassRec, cff_driver_class ) +FT_USE_MODULE( FT_Driver_ClassRec, t1cid_driver_class ) +//FT_USE_MODULE( FT_Driver_ClassRec, pfr_driver_class ) +//FT_USE_MODULE( FT_Driver_ClassRec, t42_driver_class ) +//FT_USE_MODULE( FT_Driver_ClassRec, winfnt_driver_class ) +//FT_USE_MODULE( FT_Driver_ClassRec, pcf_driver_class ) +FT_USE_MODULE( FT_Module_Class, psaux_module_class ) +FT_USE_MODULE( FT_Module_Class, psnames_module_class ) +FT_USE_MODULE( FT_Module_Class, pshinter_module_class ) +FT_USE_MODULE( FT_Renderer_Class, ft_raster1_renderer_class ) +FT_USE_MODULE( FT_Module_Class, sfnt_module_class ) +FT_USE_MODULE( FT_Renderer_Class, ft_smooth_renderer_class ) +FT_USE_MODULE( FT_Renderer_Class, ft_smooth_lcd_renderer_class ) +FT_USE_MODULE( FT_Renderer_Class, ft_smooth_lcdv_renderer_class ) +//FT_USE_MODULE( FT_Driver_ClassRec, bdf_driver_class ) + +/* EOF */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftoption.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftoption.h new file mode 100644 index 00000000000..044d19f84f0 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftoption.h @@ -0,0 +1,973 @@ +/***************************************************************************/ +/* */ +/* ftoption.h */ +/* */ +/* User-selectable configuration macros (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTOPTION_H_ +#define FTOPTION_H_ + + +#include <ft2build.h> + + +FT_BEGIN_HEADER + + /*************************************************************************/ + /* */ + /* USER-SELECTABLE CONFIGURATION MACROS */ + /* */ + /* This file contains the default configuration macro definitions for */ + /* a standard build of the FreeType library. There are three ways to */ + /* use this file to build project-specific versions of the library: */ + /* */ + /* - You can modify this file by hand, but this is not recommended in */ + /* cases where you would like to build several versions of the */ + /* library from a single source directory. */ + /* */ + /* - You can put a copy of this file in your build directory, more */ + /* precisely in `$BUILD/freetype/config/ftoption.h', where `$BUILD' */ + /* is the name of a directory that is included _before_ the FreeType */ + /* include path during compilation. */ + /* */ + /* The default FreeType Makefiles and Jamfiles use the build */ + /* directory `builds/<system>' by default, but you can easily change */ + /* that for your own projects. */ + /* */ + /* - Copy the file <ft2build.h> to `$BUILD/ft2build.h' and modify it */ + /* slightly to pre-define the macro FT_CONFIG_OPTIONS_H used to */ + /* locate this file during the build. For example, */ + /* */ + /* #define FT_CONFIG_OPTIONS_H <myftoptions.h> */ + /* #include <freetype/config/ftheader.h> */ + /* */ + /* will use `$BUILD/myftoptions.h' instead of this file for macro */ + /* definitions. */ + /* */ + /* Note also that you can similarly pre-define the macro */ + /* FT_CONFIG_MODULES_H used to locate the file listing of the modules */ + /* that are statically linked to the library at compile time. By */ + /* default, this file is <freetype/config/ftmodule.h>. */ + /* */ + /* We highly recommend using the third method whenever possible. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** G E N E R A L F R E E T Y P E 2 C O N F I G U R A T I O N ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*#***********************************************************************/ + /* */ + /* If you enable this configuration option, FreeType recognizes an */ + /* environment variable called `FREETYPE_PROPERTIES', which can be used */ + /* to control the various font drivers and modules. The controllable */ + /* properties are listed in the section @properties. */ + /* */ + /* `FREETYPE_PROPERTIES' has the following syntax form (broken here into */ + /* multiple lines for better readability). */ + /* */ + /* { */ + /* <optional whitespace> */ + /* <module-name1> ':' */ + /* <property-name1> '=' <property-value1> */ + /* <whitespace> */ + /* <module-name2> ':' */ + /* <property-name2> '=' <property-value2> */ + /* ... */ + /* } */ + /* */ + /* Example: */ + /* */ + /* FREETYPE_PROPERTIES=truetype:interpreter-version=35 \ */ + /* cff:no-stem-darkening=1 \ */ + /* autofitter:warping=1 */ + /* */ +#define FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + + + /*************************************************************************/ + /* */ + /* Uncomment the line below if you want to activate LCD rendering */ + /* technology similar to ClearType in this build of the library. This */ + /* technology triples the resolution in the direction color subpixels. */ + /* To mitigate color fringes inherent to this technology, you also need */ + /* to explicitly set up LCD filtering. */ + /* */ + /* Note that this feature is covered by several Microsoft patents */ + /* and should not be activated in any default build of the library. */ + /* When this macro is not defined, FreeType offers alternative LCD */ + /* rendering technology that produces excellent output without LCD */ + /* filtering. */ + /* */ +/* #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING */ + + + /*************************************************************************/ + /* */ + /* Many compilers provide a non-ANSI 64-bit data type that can be used */ + /* by FreeType to speed up some computations. However, this will create */ + /* some problems when compiling the library in strict ANSI mode. */ + /* */ + /* For this reason, the use of 64-bit integers is normally disabled when */ + /* the __STDC__ macro is defined. You can however disable this by */ + /* defining the macro FT_CONFIG_OPTION_FORCE_INT64 here. */ + /* */ + /* For most compilers, this will only create compilation warnings when */ + /* building the library. */ + /* */ + /* ObNote: The compiler-specific 64-bit integers are detected in the */ + /* file `ftconfig.h' either statically or through the */ + /* `configure' script on supported platforms. */ + /* */ +#undef FT_CONFIG_OPTION_FORCE_INT64 + + + /*************************************************************************/ + /* */ + /* If this macro is defined, do not try to use an assembler version of */ + /* performance-critical functions (e.g. FT_MulFix). You should only do */ + /* that to verify that the assembler function works properly, or to */ + /* execute benchmark tests of the various implementations. */ +/* #define FT_CONFIG_OPTION_NO_ASSEMBLER */ + + + /*************************************************************************/ + /* */ + /* If this macro is defined, try to use an inlined assembler version of */ + /* the `FT_MulFix' function, which is a `hotspot' when loading and */ + /* hinting glyphs, and which should be executed as fast as possible. */ + /* */ + /* Note that if your compiler or CPU is not supported, this will default */ + /* to the standard and portable implementation found in `ftcalc.c'. */ + /* */ +#define FT_CONFIG_OPTION_INLINE_MULFIX + + + /*************************************************************************/ + /* */ + /* LZW-compressed file support. */ + /* */ + /* FreeType now handles font files that have been compressed with the */ + /* `compress' program. This is mostly used to parse many of the PCF */ + /* files that come with various X11 distributions. The implementation */ + /* uses NetBSD's `zopen' to partially uncompress the file on the fly */ + /* (see src/lzw/ftgzip.c). */ + /* */ + /* Define this macro if you want to enable this `feature'. */ + /* */ +/* #define FT_CONFIG_OPTION_USE_LZW */ + + + /*************************************************************************/ + /* */ + /* Gzip-compressed file support. */ + /* */ + /* FreeType now handles font files that have been compressed with the */ + /* `gzip' program. This is mostly used to parse many of the PCF files */ + /* that come with XFree86. The implementation uses `zlib' to */ + /* partially uncompress the file on the fly (see src/gzip/ftgzip.c). */ + /* */ + /* Define this macro if you want to enable this `feature'. See also */ + /* the macro FT_CONFIG_OPTION_SYSTEM_ZLIB below. */ + /* */ +/* #define FT_CONFIG_OPTION_USE_ZLIB */ + + + /*************************************************************************/ + /* */ + /* ZLib library selection */ + /* */ + /* This macro is only used when FT_CONFIG_OPTION_USE_ZLIB is defined. */ + /* It allows FreeType's `ftgzip' component to link to the system's */ + /* installation of the ZLib library. This is useful on systems like */ + /* Unix or VMS where it generally is already available. */ + /* */ + /* If you let it undefined, the component will use its own copy */ + /* of the zlib sources instead. These have been modified to be */ + /* included directly within the component and *not* export external */ + /* function names. This allows you to link any program with FreeType */ + /* _and_ ZLib without linking conflicts. */ + /* */ + /* Do not #undef this macro here since the build system might define */ + /* it for certain configurations only. */ + /* */ + /* If you use a build system like cmake or the `configure' script, */ + /* options set by those programs have precendence, overwriting the */ + /* value here with the configured one. */ + /* */ +/* #define FT_CONFIG_OPTION_SYSTEM_ZLIB */ + + + /*************************************************************************/ + /* */ + /* Bzip2-compressed file support. */ + /* */ + /* FreeType now handles font files that have been compressed with the */ + /* `bzip2' program. This is mostly used to parse many of the PCF */ + /* files that come with XFree86. The implementation uses `libbz2' to */ + /* partially uncompress the file on the fly (see src/bzip2/ftbzip2.c). */ + /* Contrary to gzip, bzip2 currently is not included and need to use */ + /* the system available bzip2 implementation. */ + /* */ + /* Define this macro if you want to enable this `feature'. */ + /* */ + /* If you use a build system like cmake or the `configure' script, */ + /* options set by those programs have precendence, overwriting the */ + /* value here with the configured one. */ + /* */ +/* #define FT_CONFIG_OPTION_USE_BZIP2 */ + + + /*************************************************************************/ + /* */ + /* Define to disable the use of file stream functions and types, FILE, */ + /* fopen() etc. Enables the use of smaller system libraries on embedded */ + /* systems that have multiple system libraries, some with or without */ + /* file stream support, in the cases where file stream support is not */ + /* necessary such as memory loading of font files. */ + /* */ +/* #define FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */ + + + /*************************************************************************/ + /* */ + /* PNG bitmap support. */ + /* */ + /* FreeType now handles loading color bitmap glyphs in the PNG format. */ + /* This requires help from the external libpng library. Uncompressed */ + /* color bitmaps do not need any external libraries and will be */ + /* supported regardless of this configuration. */ + /* */ + /* Define this macro if you want to enable this `feature'. */ + /* */ + /* If you use a build system like cmake or the `configure' script, */ + /* options set by those programs have precendence, overwriting the */ + /* value here with the configured one. */ + /* */ +/* #define FT_CONFIG_OPTION_USE_PNG */ + + + /*************************************************************************/ + /* */ + /* HarfBuzz support. */ + /* */ + /* FreeType uses the HarfBuzz library to improve auto-hinting of */ + /* OpenType fonts. If available, many glyphs not directly addressable */ + /* by a font's character map will be hinted also. */ + /* */ + /* Define this macro if you want to enable this `feature'. */ + /* */ + /* If you use a build system like cmake or the `configure' script, */ + /* options set by those programs have precendence, overwriting the */ + /* value here with the configured one. */ + /* */ +/* #define FT_CONFIG_OPTION_USE_HARFBUZZ */ + + + /*************************************************************************/ + /* */ + /* Glyph Postscript Names handling */ + /* */ + /* By default, FreeType 2 is compiled with the `psnames' module. This */ + /* module is in charge of converting a glyph name string into a */ + /* Unicode value, or return a Macintosh standard glyph name for the */ + /* use with the TrueType `post' table. */ + /* */ + /* Undefine this macro if you do not want `psnames' compiled in your */ + /* build of FreeType. This has the following effects: */ + /* */ + /* - The TrueType driver will provide its own set of glyph names, */ + /* if you build it to support postscript names in the TrueType */ + /* `post' table, but will not synthesize a missing Unicode charmap. */ + /* */ + /* - The Type 1 driver will not be able to synthesize a Unicode */ + /* charmap out of the glyphs found in the fonts. */ + /* */ + /* You would normally undefine this configuration macro when building */ + /* a version of FreeType that doesn't contain a Type 1 or CFF driver. */ + /* */ +#define FT_CONFIG_OPTION_POSTSCRIPT_NAMES + + + /*************************************************************************/ + /* */ + /* Postscript Names to Unicode Values support */ + /* */ + /* By default, FreeType 2 is built with the `PSNames' module compiled */ + /* in. Among other things, the module is used to convert a glyph name */ + /* into a Unicode value. This is especially useful in order to */ + /* synthesize on the fly a Unicode charmap from the CFF/Type 1 driver */ + /* through a big table named the `Adobe Glyph List' (AGL). */ + /* */ + /* Undefine this macro if you do not want the Adobe Glyph List */ + /* compiled in your `PSNames' module. The Type 1 driver will not be */ + /* able to synthesize a Unicode charmap out of the glyphs found in the */ + /* fonts. */ + /* */ +#define FT_CONFIG_OPTION_ADOBE_GLYPH_LIST + + + /*************************************************************************/ + /* */ + /* Support for Mac fonts */ + /* */ + /* Define this macro if you want support for outline fonts in Mac */ + /* format (mac dfont, mac resource, macbinary containing a mac */ + /* resource) on non-Mac platforms. */ + /* */ + /* Note that the `FOND' resource isn't checked. */ + /* */ +#define FT_CONFIG_OPTION_MAC_FONTS + + + /*************************************************************************/ + /* */ + /* Guessing methods to access embedded resource forks */ + /* */ + /* Enable extra Mac fonts support on non-Mac platforms (e.g. */ + /* GNU/Linux). */ + /* */ + /* Resource forks which include fonts data are stored sometimes in */ + /* locations which users or developers don't expected. In some cases, */ + /* resource forks start with some offset from the head of a file. In */ + /* other cases, the actual resource fork is stored in file different */ + /* from what the user specifies. If this option is activated, */ + /* FreeType tries to guess whether such offsets or different file */ + /* names must be used. */ + /* */ + /* Note that normal, direct access of resource forks is controlled via */ + /* the FT_CONFIG_OPTION_MAC_FONTS option. */ + /* */ +#ifdef FT_CONFIG_OPTION_MAC_FONTS +#define FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK +#endif + + + /*************************************************************************/ + /* */ + /* Allow the use of FT_Incremental_Interface to load typefaces that */ + /* contain no glyph data, but supply it via a callback function. */ + /* This is required by clients supporting document formats which */ + /* supply font data incrementally as the document is parsed, such */ + /* as the Ghostscript interpreter for the PostScript language. */ + /* */ +#define FT_CONFIG_OPTION_INCREMENTAL + + + /*************************************************************************/ + /* */ + /* The size in bytes of the render pool used by the scan-line converter */ + /* to do all of its work. */ + /* */ +#define FT_RENDER_POOL_SIZE 16384L + + + /*************************************************************************/ + /* */ + /* FT_MAX_MODULES */ + /* */ + /* The maximum number of modules that can be registered in a single */ + /* FreeType library object. 32 is the default. */ + /* */ +#define FT_MAX_MODULES 32 + + + /*************************************************************************/ + /* */ + /* Debug level */ + /* */ + /* FreeType can be compiled in debug or trace mode. In debug mode, */ + /* errors are reported through the `ftdebug' component. In trace */ + /* mode, additional messages are sent to the standard output during */ + /* execution. */ + /* */ + /* Define FT_DEBUG_LEVEL_ERROR to build the library in debug mode. */ + /* Define FT_DEBUG_LEVEL_TRACE to build it in trace mode. */ + /* */ + /* Don't define any of these macros to compile in `release' mode! */ + /* */ + /* Do not #undef these macros here since the build system might define */ + /* them for certain configurations only. */ + /* */ +/* #define FT_DEBUG_LEVEL_ERROR */ +/* #define FT_DEBUG_LEVEL_TRACE */ + + + /*************************************************************************/ + /* */ + /* Autofitter debugging */ + /* */ + /* If FT_DEBUG_AUTOFIT is defined, FreeType provides some means to */ + /* control the autofitter behaviour for debugging purposes with global */ + /* boolean variables (consequently, you should *never* enable this */ + /* while compiling in `release' mode): */ + /* */ + /* _af_debug_disable_horz_hints */ + /* _af_debug_disable_vert_hints */ + /* _af_debug_disable_blue_hints */ + /* */ + /* Additionally, the following functions provide dumps of various */ + /* internal autofit structures to stdout (using `printf'): */ + /* */ + /* af_glyph_hints_dump_points */ + /* af_glyph_hints_dump_segments */ + /* af_glyph_hints_dump_edges */ + /* af_glyph_hints_get_num_segments */ + /* af_glyph_hints_get_segment_offset */ + /* */ + /* As an argument, they use another global variable: */ + /* */ + /* _af_debug_hints */ + /* */ + /* Please have a look at the `ftgrid' demo program to see how those */ + /* variables and macros should be used. */ + /* */ + /* Do not #undef these macros here since the build system might define */ + /* them for certain configurations only. */ + /* */ +/* #define FT_DEBUG_AUTOFIT */ + + + /*************************************************************************/ + /* */ + /* Memory Debugging */ + /* */ + /* FreeType now comes with an integrated memory debugger that is */ + /* capable of detecting simple errors like memory leaks or double */ + /* deletes. To compile it within your build of the library, you */ + /* should define FT_DEBUG_MEMORY here. */ + /* */ + /* Note that the memory debugger is only activated at runtime when */ + /* when the _environment_ variable `FT2_DEBUG_MEMORY' is defined also! */ + /* */ + /* Do not #undef this macro here since the build system might define */ + /* it for certain configurations only. */ + /* */ +/* #define FT_DEBUG_MEMORY */ + + + /*************************************************************************/ + /* */ + /* Module errors */ + /* */ + /* If this macro is set (which is _not_ the default), the higher byte */ + /* of an error code gives the module in which the error has occurred, */ + /* while the lower byte is the real error code. */ + /* */ + /* Setting this macro makes sense for debugging purposes only, since */ + /* it would break source compatibility of certain programs that use */ + /* FreeType 2. */ + /* */ + /* More details can be found in the files ftmoderr.h and fterrors.h. */ + /* */ +#undef FT_CONFIG_OPTION_USE_MODULE_ERRORS + + + /*************************************************************************/ + /* */ + /* Position Independent Code */ + /* */ + /* If this macro is set (which is _not_ the default), FreeType2 will */ + /* avoid creating constants that require address fixups. Instead the */ + /* constants will be moved into a struct and additional intialization */ + /* code will be used. */ + /* */ + /* Setting this macro is needed for systems that prohibit address */ + /* fixups, such as BREW. [Note that standard compilers like gcc or */ + /* clang handle PIC generation automatically; you don't have to set */ + /* FT_CONFIG_OPTION_PIC, which is only necessary for very special */ + /* compilers.] */ + /* */ + /* Note that FT_CONFIG_OPTION_PIC support is not available for all */ + /* modules (see `modules.cfg' for a complete list). For building with */ + /* FT_CONFIG_OPTION_PIC support, do the following. */ + /* */ + /* 0. Clone the repository. */ + /* 1. Define FT_CONFIG_OPTION_PIC. */ + /* 2. Remove all subdirectories in `src' that don't have */ + /* FT_CONFIG_OPTION_PIC support. */ + /* 3. Comment out the corresponding modules in `modules.cfg'. */ + /* 4. Compile. */ + /* */ +/* #define FT_CONFIG_OPTION_PIC */ + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** S F N T D R I V E R C O N F I G U R A T I O N ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* Define TT_CONFIG_OPTION_EMBEDDED_BITMAPS if you want to support */ + /* embedded bitmaps in all formats using the SFNT module (namely */ + /* TrueType & OpenType). */ + /* */ +#define TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + + /*************************************************************************/ + /* */ + /* Define TT_CONFIG_OPTION_POSTSCRIPT_NAMES if you want to be able to */ + /* load and enumerate the glyph Postscript names in a TrueType or */ + /* OpenType file. */ + /* */ + /* Note that when you do not compile the `PSNames' module by undefining */ + /* the above FT_CONFIG_OPTION_POSTSCRIPT_NAMES, the `sfnt' module will */ + /* contain additional code used to read the PS Names table from a font. */ + /* */ + /* (By default, the module uses `PSNames' to extract glyph names.) */ + /* */ +#define TT_CONFIG_OPTION_POSTSCRIPT_NAMES + + + /*************************************************************************/ + /* */ + /* Define TT_CONFIG_OPTION_SFNT_NAMES if your applications need to */ + /* access the internal name table in a SFNT-based format like TrueType */ + /* or OpenType. The name table contains various strings used to */ + /* describe the font, like family name, copyright, version, etc. It */ + /* does not contain any glyph name though. */ + /* */ + /* Accessing SFNT names is done through the functions declared in */ + /* `ftsnames.h'. */ + /* */ +#define TT_CONFIG_OPTION_SFNT_NAMES + + + /*************************************************************************/ + /* */ + /* TrueType CMap support */ + /* */ + /* Here you can fine-tune which TrueType CMap table format shall be */ + /* supported. */ +#define TT_CONFIG_CMAP_FORMAT_0 +#define TT_CONFIG_CMAP_FORMAT_2 +#define TT_CONFIG_CMAP_FORMAT_4 +#define TT_CONFIG_CMAP_FORMAT_6 +#define TT_CONFIG_CMAP_FORMAT_8 +#define TT_CONFIG_CMAP_FORMAT_10 +#define TT_CONFIG_CMAP_FORMAT_12 +#define TT_CONFIG_CMAP_FORMAT_13 +#define TT_CONFIG_CMAP_FORMAT_14 + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** T R U E T Y P E D R I V E R C O N F I G U R A T I O N ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* Define TT_CONFIG_OPTION_BYTECODE_INTERPRETER if you want to compile */ + /* a bytecode interpreter in the TrueType driver. */ + /* */ + /* By undefining this, you will only compile the code necessary to load */ + /* TrueType glyphs without hinting. */ + /* */ + /* Do not #undef this macro here, since the build system might */ + /* define it for certain configurations only. */ + /* */ +#define TT_CONFIG_OPTION_BYTECODE_INTERPRETER + + + /*************************************************************************/ + /* */ + /* Define TT_CONFIG_OPTION_SUBPIXEL_HINTING if you want to compile */ + /* subpixel hinting support into the TrueType driver. This modifies the */ + /* TrueType hinting mechanism when anything but FT_RENDER_MODE_MONO is */ + /* requested. */ + /* */ + /* In particular, it modifies the bytecode interpreter to interpret (or */ + /* not) instructions in a certain way so that all TrueType fonts look */ + /* like they do in a Windows ClearType (DirectWrite) environment. See */ + /* [1] for a technical overview on what this means. See `ttinterp.h' */ + /* for more details on the LEAN option. */ + /* */ + /* There are three possible values. */ + /* */ + /* Value 1: */ + /* This value is associated with the `Infinality' moniker, */ + /* contributed by an individual nicknamed Infinality with the goal of */ + /* making TrueType fonts render better than on Windows. A high */ + /* amount of configurability and flexibility, down to rules for */ + /* single glyphs in fonts, but also very slow. Its experimental and */ + /* slow nature and the original developer losing interest meant that */ + /* this option was never enabled in default builds. */ + /* */ + /* The corresponding interpreter version is v38. */ + /* */ + /* Value 2: */ + /* The new default mode for the TrueType driver. The Infinality code */ + /* base was stripped to the bare minimum and all configurability */ + /* removed in the name of speed and simplicity. The configurability */ + /* was mainly aimed at legacy fonts like Arial, Times New Roman, or */ + /* Courier. Legacy fonts are fonts that modify vertical stems to */ + /* achieve clean black-and-white bitmaps. The new mode focuses on */ + /* applying a minimal set of rules to all fonts indiscriminately so */ + /* that modern and web fonts render well while legacy fonts render */ + /* okay. */ + /* */ + /* The corresponding interpreter version is v40. */ + /* */ + /* Value 3: */ + /* Compile both, making both v38 and v40 available (the latter is the */ + /* default). */ + /* */ + /* By undefining these, you get rendering behavior like on Windows */ + /* without ClearType, i.e., Windows XP without ClearType enabled and */ + /* Win9x (interpreter version v35). Or not, depending on how much */ + /* hinting blood and testing tears the font designer put into a given */ + /* font. If you define one or both subpixel hinting options, you can */ + /* switch between between v35 and the ones you define (using */ + /* `FT_Property_Set'). */ + /* */ + /* This option requires TT_CONFIG_OPTION_BYTECODE_INTERPRETER to be */ + /* defined. */ + /* */ + /* [1] https://www.microsoft.com/typography/cleartype/truetypecleartype.aspx */ + /* */ +/* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING 1 */ +#define TT_CONFIG_OPTION_SUBPIXEL_HINTING 2 +/* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING ( 1 | 2 ) */ + + + /*************************************************************************/ + /* */ + /* Define TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED to compile the */ + /* TrueType glyph loader to use Apple's definition of how to handle */ + /* component offsets in composite glyphs. */ + /* */ + /* Apple and MS disagree on the default behavior of component offsets */ + /* in composites. Apple says that they should be scaled by the scaling */ + /* factors in the transformation matrix (roughly, it's more complex) */ + /* while MS says they should not. OpenType defines two bits in the */ + /* composite flags array which can be used to disambiguate, but old */ + /* fonts will not have them. */ + /* */ + /* https://www.microsoft.com/typography/otspec/glyf.htm */ + /* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6glyf.html */ + /* */ +#undef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED + + + /*************************************************************************/ + /* */ + /* Define TT_CONFIG_OPTION_GX_VAR_SUPPORT if you want to include */ + /* support for Apple's distortable font technology (fvar, gvar, cvar, */ + /* and avar tables). This has many similarities to Type 1 Multiple */ + /* Masters support. */ + /* */ +#define TT_CONFIG_OPTION_GX_VAR_SUPPORT + + + /*************************************************************************/ + /* */ + /* Define TT_CONFIG_OPTION_BDF if you want to include support for */ + /* an embedded `BDF ' table within SFNT-based bitmap formats. */ + /* */ +/* #define TT_CONFIG_OPTION_BDF */ + + + /*************************************************************************/ + /* */ + /* Option TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES controls the maximum */ + /* number of bytecode instructions executed for a single run of the */ + /* bytecode interpreter, needed to prevent infinite loops. You don't */ + /* want to change this except for very special situations (e.g., making */ + /* a library fuzzer spend less time to handle broken fonts). */ + /* */ + /* It is not expected that this value is ever modified by a configuring */ + /* script; instead, it gets surrounded with #ifndef ... #endif so that */ + /* the value can be set as a preprocessor option on the compiler's */ + /* command line. */ + /* */ +#ifndef TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES +#define TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES 1000000L +#endif + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** T Y P E 1 D R I V E R C O N F I G U R A T I O N ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* T1_MAX_DICT_DEPTH is the maximum depth of nest dictionaries and */ + /* arrays in the Type 1 stream (see t1load.c). A minimum of 4 is */ + /* required. */ + /* */ +#define T1_MAX_DICT_DEPTH 5 + + + /*************************************************************************/ + /* */ + /* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine */ + /* calls during glyph loading. */ + /* */ +#define T1_MAX_SUBRS_CALLS 16 + + + /*************************************************************************/ + /* */ + /* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity. A */ + /* minimum of 16 is required. */ + /* */ + /* The Chinese font MingTiEG-Medium (CNS 11643 character set) needs 256. */ + /* */ +#define T1_MAX_CHARSTRINGS_OPERANDS 256 + + + /*************************************************************************/ + /* */ + /* Define this configuration macro if you want to prevent the */ + /* compilation of `t1afm', which is in charge of reading Type 1 AFM */ + /* files into an existing face. Note that if set, the T1 driver will be */ + /* unable to produce kerning distances. */ + /* */ +#undef T1_CONFIG_OPTION_NO_AFM + + + /*************************************************************************/ + /* */ + /* Define this configuration macro if you want to prevent the */ + /* compilation of the Multiple Masters font support in the Type 1 */ + /* driver. */ + /* */ +#undef T1_CONFIG_OPTION_NO_MM_SUPPORT + + + /*************************************************************************/ + /* */ + /* T1_CONFIG_OPTION_OLD_ENGINE controls whether the pre-Adobe Type 1 */ + /* engine gets compiled into FreeType. If defined, it is possible to */ + /* switch between the two engines using the `hinting-engine' property of */ + /* the type1 driver module. */ + /* */ +/* #define T1_CONFIG_OPTION_OLD_ENGINE */ + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** C F F D R I V E R C O N F I G U R A T I O N ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* Using CFF_CONFIG_OPTION_DARKENING_PARAMETER_{X,Y}{1,2,3,4} it is */ + /* possible to set up the default values of the four control points that */ + /* define the stem darkening behaviour of the (new) CFF engine. For */ + /* more details please read the documentation of the */ + /* `darkening-parameters' property (file `ftdriver.h'), which allows the */ + /* control at run-time. */ + /* */ + /* Do *not* undefine these macros! */ + /* */ +#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 500 +#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 400 + +#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 1000 +#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 275 + +#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 1667 +#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 275 + +#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 2333 +#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 0 + + + /*************************************************************************/ + /* */ + /* CFF_CONFIG_OPTION_OLD_ENGINE controls whether the pre-Adobe CFF */ + /* engine gets compiled into FreeType. If defined, it is possible to */ + /* switch between the two engines using the `hinting-engine' property of */ + /* the cff driver module. */ + /* */ +/* #define CFF_CONFIG_OPTION_OLD_ENGINE */ + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** P C F D R I V E R C O N F I G U R A T I O N ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* There are many PCF fonts just called `Fixed' which look completely */ + /* different, and which have nothing to do with each other. When */ + /* selecting `Fixed' in KDE or Gnome one gets results that appear rather */ + /* random, the style changes often if one changes the size and one */ + /* cannot select some fonts at all. This option makes the PCF module */ + /* prepend the foundry name (plus a space) to the family name. */ + /* */ + /* We also check whether we have `wide' characters; all put together, we */ + /* get family names like `Sony Fixed' or `Misc Fixed Wide'. */ + /* */ + /* If this option is activated, it can be controlled with the */ + /* `no-long-family-names' property of the pcf driver module. */ + /* */ +/* #define PCF_CONFIG_OPTION_LONG_FAMILY_NAMES */ + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** A U T O F I T M O D U L E C O N F I G U R A T I O N ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* Compile autofit module with CJK (Chinese, Japanese, Korean) script */ + /* support. */ + /* */ +#define AF_CONFIG_OPTION_CJK + + /*************************************************************************/ + /* */ + /* Compile autofit module with fallback Indic script support, covering */ + /* some scripts that the `latin' submodule of the autofit module doesn't */ + /* (yet) handle. */ + /* */ +#define AF_CONFIG_OPTION_INDIC + + /*************************************************************************/ + /* */ + /* Compile autofit module with warp hinting. The idea of the warping */ + /* code is to slightly scale and shift a glyph within a single dimension */ + /* so that as much of its segments are aligned (more or less) on the */ + /* grid. To find out the optimal scaling and shifting value, various */ + /* parameter combinations are tried and scored. */ + /* */ + /* This experimental option is active only if the rendering mode is */ + /* FT_RENDER_MODE_LIGHT; you can switch warping on and off with the */ + /* `warping' property of the auto-hinter (see file `ftdriver.h' for more */ + /* information; by default it is switched off). */ + /* */ +#define AF_CONFIG_OPTION_USE_WARPER + + /*************************************************************************/ + /* */ + /* Use TrueType-like size metrics for `light' auto-hinting. */ + /* */ + /* It is strongly recommended to avoid this option, which exists only to */ + /* help some legacy applications retain its appearance and behaviour */ + /* with respect to auto-hinted TrueType fonts. */ + /* */ + /* The very reason this option exists at all are GNU/Linux distributions */ + /* like Fedora that did not un-patch the following change (which was */ + /* present in FreeType between versions 2.4.6 and 2.7.1, inclusive). */ + /* */ + /* 2011-07-16 Steven Chu <steven.f.chu@gmail.com> */ + /* */ + /* [truetype] Fix metrics on size request for scalable fonts. */ + /* */ + /* This problematic commit is now reverted (more or less). */ + /* */ +/* #define AF_CONFIG_OPTION_TT_SIZE_METRICS */ + + /* */ + + + /* + * This macro is obsolete. Support has been removed in FreeType + * version 2.5. + */ +/* #define FT_CONFIG_OPTION_OLD_INTERNALS */ + + + /* + * This macro is defined if native TrueType hinting is requested by the + * definitions above. + */ +#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER +#define TT_USE_BYTECODE_INTERPRETER + +#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING +#if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 1 +#define TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY +#endif + +#if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 2 +#define TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL +#endif +#endif +#endif + + + /* + * Check CFF darkening parameters. The checks are the same as in function + * `cff_property_set' in file `cffdrivr.c'. + */ +#if CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 < 0 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 < 0 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 < 0 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 < 0 || \ + \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 < 0 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 < 0 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 < 0 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 < 0 || \ + \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 > \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 > \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 > \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 || \ + \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 > 500 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 > 500 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 > 500 || \ + CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 > 500 +#error "Invalid CFF darkening parameters!" +#endif + +FT_END_HEADER + + +#endif /* FTOPTION_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftstdlib.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftstdlib.h new file mode 100644 index 00000000000..42f9a06e439 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/config/ftstdlib.h @@ -0,0 +1,175 @@ +/***************************************************************************/ +/* */ +/* ftstdlib.h */ +/* */ +/* ANSI-specific library and header configuration file (specification */ +/* only). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to group all #includes to the ANSI C library that */ + /* FreeType normally requires. It also defines macros to rename the */ + /* standard functions within the FreeType source code. */ + /* */ + /* Load a file which defines FTSTDLIB_H_ before this one to override it. */ + /* */ + /*************************************************************************/ + + +#ifndef FTSTDLIB_H_ +#define FTSTDLIB_H_ + + +#include <stddef.h> + +#define ft_ptrdiff_t ptrdiff_t + + + /**********************************************************************/ + /* */ + /* integer limits */ + /* */ + /* UINT_MAX and ULONG_MAX are used to automatically compute the size */ + /* of `int' and `long' in bytes at compile-time. So far, this works */ + /* for all platforms the library has been tested on. */ + /* */ + /* Note that on the extremely rare platforms that do not provide */ + /* integer types that are _exactly_ 16 and 32 bits wide (e.g. some */ + /* old Crays where `int' is 36 bits), we do not make any guarantee */ + /* about the correct behaviour of FT2 with all fonts. */ + /* */ + /* In these case, `ftconfig.h' will refuse to compile anyway with a */ + /* message like `couldn't find 32-bit type' or something similar. */ + /* */ + /**********************************************************************/ + + +#include <limits.h> + +#define FT_CHAR_BIT CHAR_BIT +#define FT_USHORT_MAX USHRT_MAX +#define FT_INT_MAX INT_MAX +#define FT_INT_MIN INT_MIN +#define FT_UINT_MAX UINT_MAX +#define FT_LONG_MIN LONG_MIN +#define FT_LONG_MAX LONG_MAX +#define FT_ULONG_MAX ULONG_MAX + + + /**********************************************************************/ + /* */ + /* character and string processing */ + /* */ + /**********************************************************************/ + + +#include <string.h> + +#define ft_memchr memchr +#define ft_memcmp memcmp +#define ft_memcpy memcpy +#define ft_memmove memmove +#define ft_memset memset +#define ft_strcat strcat +#define ft_strcmp strcmp +#define ft_strcpy strcpy +#define ft_strlen strlen +#define ft_strncmp strncmp +#define ft_strncpy strncpy +#define ft_strrchr strrchr +#define ft_strstr strstr + + + /**********************************************************************/ + /* */ + /* file handling */ + /* */ + /**********************************************************************/ + + +#include <stdio.h> + +#define FT_FILE FILE +#define ft_fclose fclose +#define ft_fopen fopen +#define ft_fread fread +#define ft_fseek fseek +#define ft_ftell ftell +#define ft_sprintf sprintf + + + /**********************************************************************/ + /* */ + /* sorting */ + /* */ + /**********************************************************************/ + + +#include <stdlib.h> + +#define ft_qsort qsort + + + /**********************************************************************/ + /* */ + /* memory allocation */ + /* */ + /**********************************************************************/ + + +#define ft_scalloc calloc +#define ft_sfree free +#define ft_smalloc malloc +#define ft_srealloc realloc + + + /**********************************************************************/ + /* */ + /* miscellaneous */ + /* */ + /**********************************************************************/ + + +#define ft_strtol strtol +#define ft_getenv getenv + + + /**********************************************************************/ + /* */ + /* execution control */ + /* */ + /**********************************************************************/ + + +#include <setjmp.h> + +#define ft_jmp_buf jmp_buf /* note: this cannot be a typedef since */ + /* jmp_buf is defined as a macro */ + /* on certain platforms */ + +#define ft_longjmp longjmp +#define ft_setjmp( b ) setjmp( *(ft_jmp_buf*) &(b) ) /* same thing here */ + + + /* the following is only used for debugging purposes, i.e., if */ + /* FT_DEBUG_LEVEL_ERROR or FT_DEBUG_LEVEL_TRACE are defined */ + +#include <stdarg.h> + + +#endif /* FTSTDLIB_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/freetype.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/freetype.h new file mode 100644 index 00000000000..eda95e2abe4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/freetype.h @@ -0,0 +1,4652 @@ +/***************************************************************************/ +/* */ +/* freetype.h */ +/* */ +/* FreeType high-level API and common types (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FREETYPE_H_ +#define FREETYPE_H_ + + +#ifndef FT_FREETYPE_H +#error "`ft2build.h' hasn't been included yet!" +#error "Please always use macros to include FreeType header files." +#error "Example:" +#error " #include <ft2build.h>" +#error " #include FT_FREETYPE_H" +#endif + + +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H +#include FT_TYPES_H +#include FT_ERRORS_H + + +FT_BEGIN_HEADER + + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* header_inclusion */ + /* */ + /* <Title> */ + /* FreeType's header inclusion scheme */ + /* */ + /* <Abstract> */ + /* How client applications should include FreeType header files. */ + /* */ + /* <Description> */ + /* To be as flexible as possible (and for historical reasons), */ + /* FreeType uses a very special inclusion scheme to load header */ + /* files, for example */ + /* */ + /* { */ + /* #include <ft2build.h> */ + /* */ + /* #include FT_FREETYPE_H */ + /* #include FT_OUTLINE_H */ + /* } */ + /* */ + /* A compiler and its preprocessor only needs an include path to find */ + /* the file `ft2build.h'; the exact locations and names of the other */ + /* FreeType header files are hidden by preprocessor macro names, */ + /* loaded by `ft2build.h'. The API documentation always gives the */ + /* header macro name needed for a particular function. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* user_allocation */ + /* */ + /* <Title> */ + /* User allocation */ + /* */ + /* <Abstract> */ + /* How client applications should allocate FreeType data structures. */ + /* */ + /* <Description> */ + /* FreeType assumes that structures allocated by the user and passed */ + /* as arguments are zeroed out except for the actual data. In other */ + /* words, it is recommended to use `calloc' (or variants of it) */ + /* instead of `malloc' for allocation. */ + /* */ + /*************************************************************************/ + + + + /*************************************************************************/ + /*************************************************************************/ + /* */ + /* B A S I C T Y P E S */ + /* */ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* base_interface */ + /* */ + /* <Title> */ + /* Base Interface */ + /* */ + /* <Abstract> */ + /* The FreeType~2 base font interface. */ + /* */ + /* <Description> */ + /* This section describes the most important public high-level API */ + /* functions of FreeType~2. */ + /* */ + /* <Order> */ + /* FT_Library */ + /* FT_Face */ + /* FT_Size */ + /* FT_GlyphSlot */ + /* FT_CharMap */ + /* FT_Encoding */ + /* FT_ENC_TAG */ + /* */ + /* FT_FaceRec */ + /* */ + /* FT_FACE_FLAG_SCALABLE */ + /* FT_FACE_FLAG_FIXED_SIZES */ + /* FT_FACE_FLAG_FIXED_WIDTH */ + /* FT_FACE_FLAG_HORIZONTAL */ + /* FT_FACE_FLAG_VERTICAL */ + /* FT_FACE_FLAG_COLOR */ + /* FT_FACE_FLAG_SFNT */ + /* FT_FACE_FLAG_CID_KEYED */ + /* FT_FACE_FLAG_TRICKY */ + /* FT_FACE_FLAG_KERNING */ + /* FT_FACE_FLAG_MULTIPLE_MASTERS */ + /* FT_FACE_FLAG_VARIATION */ + /* FT_FACE_FLAG_GLYPH_NAMES */ + /* FT_FACE_FLAG_EXTERNAL_STREAM */ + /* FT_FACE_FLAG_HINTER */ + /* */ + /* FT_HAS_HORIZONTAL */ + /* FT_HAS_VERTICAL */ + /* FT_HAS_KERNING */ + /* FT_HAS_FIXED_SIZES */ + /* FT_HAS_GLYPH_NAMES */ + /* FT_HAS_COLOR */ + /* FT_HAS_MULTIPLE_MASTERS */ + /* */ + /* FT_IS_SFNT */ + /* FT_IS_SCALABLE */ + /* FT_IS_FIXED_WIDTH */ + /* FT_IS_CID_KEYED */ + /* FT_IS_TRICKY */ + /* FT_IS_NAMED_INSTANCE */ + /* FT_IS_VARIATION */ + /* */ + /* FT_STYLE_FLAG_BOLD */ + /* FT_STYLE_FLAG_ITALIC */ + /* */ + /* FT_SizeRec */ + /* FT_Size_Metrics */ + /* */ + /* FT_GlyphSlotRec */ + /* FT_Glyph_Metrics */ + /* FT_SubGlyph */ + /* */ + /* FT_Bitmap_Size */ + /* */ + /* FT_Init_FreeType */ + /* FT_Done_FreeType */ + /* */ + /* FT_New_Face */ + /* FT_Done_Face */ + /* FT_Reference_Face */ + /* FT_New_Memory_Face */ + /* FT_Face_Properties */ + /* FT_Open_Face */ + /* FT_Open_Args */ + /* FT_Parameter */ + /* FT_Attach_File */ + /* FT_Attach_Stream */ + /* */ + /* FT_Set_Char_Size */ + /* FT_Set_Pixel_Sizes */ + /* FT_Request_Size */ + /* FT_Select_Size */ + /* FT_Size_Request_Type */ + /* FT_Size_RequestRec */ + /* FT_Size_Request */ + /* FT_Set_Transform */ + /* FT_Load_Glyph */ + /* FT_Get_Char_Index */ + /* FT_Get_First_Char */ + /* FT_Get_Next_Char */ + /* FT_Get_Name_Index */ + /* FT_Load_Char */ + /* */ + /* FT_OPEN_MEMORY */ + /* FT_OPEN_STREAM */ + /* FT_OPEN_PATHNAME */ + /* FT_OPEN_DRIVER */ + /* FT_OPEN_PARAMS */ + /* */ + /* FT_LOAD_DEFAULT */ + /* FT_LOAD_RENDER */ + /* FT_LOAD_MONOCHROME */ + /* FT_LOAD_LINEAR_DESIGN */ + /* FT_LOAD_NO_SCALE */ + /* FT_LOAD_NO_HINTING */ + /* FT_LOAD_NO_BITMAP */ + /* FT_LOAD_NO_AUTOHINT */ + /* FT_LOAD_COLOR */ + /* */ + /* FT_LOAD_VERTICAL_LAYOUT */ + /* FT_LOAD_IGNORE_TRANSFORM */ + /* FT_LOAD_FORCE_AUTOHINT */ + /* FT_LOAD_NO_RECURSE */ + /* FT_LOAD_PEDANTIC */ + /* */ + /* FT_LOAD_TARGET_NORMAL */ + /* FT_LOAD_TARGET_LIGHT */ + /* FT_LOAD_TARGET_MONO */ + /* FT_LOAD_TARGET_LCD */ + /* FT_LOAD_TARGET_LCD_V */ + /* */ + /* FT_LOAD_TARGET_MODE */ + /* */ + /* FT_Render_Glyph */ + /* FT_Render_Mode */ + /* FT_Get_Kerning */ + /* FT_Kerning_Mode */ + /* FT_Get_Track_Kerning */ + /* FT_Get_Glyph_Name */ + /* FT_Get_Postscript_Name */ + /* */ + /* FT_CharMapRec */ + /* FT_Select_Charmap */ + /* FT_Set_Charmap */ + /* FT_Get_Charmap_Index */ + /* */ + /* FT_Get_FSType_Flags */ + /* FT_Get_SubGlyph_Info */ + /* */ + /* FT_Face_Internal */ + /* FT_Size_Internal */ + /* FT_Slot_Internal */ + /* */ + /* FT_FACE_FLAG_XXX */ + /* FT_STYLE_FLAG_XXX */ + /* FT_OPEN_XXX */ + /* FT_LOAD_XXX */ + /* FT_LOAD_TARGET_XXX */ + /* FT_SUBGLYPH_FLAG_XXX */ + /* FT_FSTYPE_XXX */ + /* */ + /* FT_HAS_FAST_GLYPHS */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Glyph_Metrics */ + /* */ + /* <Description> */ + /* A structure to model the metrics of a single glyph. The values */ + /* are expressed in 26.6 fractional pixel format; if the flag */ + /* @FT_LOAD_NO_SCALE has been used while loading the glyph, values */ + /* are expressed in font units instead. */ + /* */ + /* <Fields> */ + /* width :: */ + /* The glyph's width. */ + /* */ + /* height :: */ + /* The glyph's height. */ + /* */ + /* horiBearingX :: */ + /* Left side bearing for horizontal layout. */ + /* */ + /* horiBearingY :: */ + /* Top side bearing for horizontal layout. */ + /* */ + /* horiAdvance :: */ + /* Advance width for horizontal layout. */ + /* */ + /* vertBearingX :: */ + /* Left side bearing for vertical layout. */ + /* */ + /* vertBearingY :: */ + /* Top side bearing for vertical layout. Larger positive values */ + /* mean further below the vertical glyph origin. */ + /* */ + /* vertAdvance :: */ + /* Advance height for vertical layout. Positive values mean the */ + /* glyph has a positive advance downward. */ + /* */ + /* <Note> */ + /* If not disabled with @FT_LOAD_NO_HINTING, the values represent */ + /* dimensions of the hinted glyph (in case hinting is applicable). */ + /* */ + /* Stroking a glyph with an outside border does not increase */ + /* `horiAdvance' or `vertAdvance'; you have to manually adjust these */ + /* values to account for the added width and height. */ + /* */ + /* FreeType doesn't use the `VORG' table data for CFF fonts because */ + /* it doesn't have an interface to quickly retrieve the glyph height. */ + /* The y~coordinate of the vertical origin can be simply computed as */ + /* `vertBearingY + height' after loading a glyph. */ + /* */ + typedef struct FT_Glyph_Metrics_ + { + FT_Pos width; + FT_Pos height; + + FT_Pos horiBearingX; + FT_Pos horiBearingY; + FT_Pos horiAdvance; + + FT_Pos vertBearingX; + FT_Pos vertBearingY; + FT_Pos vertAdvance; + + } FT_Glyph_Metrics; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Bitmap_Size */ + /* */ + /* <Description> */ + /* This structure models the metrics of a bitmap strike (i.e., a set */ + /* of glyphs for a given point size and resolution) in a bitmap font. */ + /* It is used for the `available_sizes' field of @FT_Face. */ + /* */ + /* <Fields> */ + /* height :: The vertical distance, in pixels, between two */ + /* consecutive baselines. It is always positive. */ + /* */ + /* width :: The average width, in pixels, of all glyphs in the */ + /* strike. */ + /* */ + /* size :: The nominal size of the strike in 26.6 fractional */ + /* points. This field is not very useful. */ + /* */ + /* x_ppem :: The horizontal ppem (nominal width) in 26.6 fractional */ + /* pixels. */ + /* */ + /* y_ppem :: The vertical ppem (nominal height) in 26.6 fractional */ + /* pixels. */ + /* */ + /* <Note> */ + /* Windows FNT: */ + /* The nominal size given in a FNT font is not reliable. If the */ + /* driver finds it incorrect, it sets `size' to some calculated */ + /* values, and `x_ppem' and `y_ppem' to the pixel width and height */ + /* given in the font, respectively. */ + /* */ + /* TrueType embedded bitmaps: */ + /* `size', `width', and `height' values are not contained in the */ + /* bitmap strike itself. They are computed from the global font */ + /* parameters. */ + /* */ + typedef struct FT_Bitmap_Size_ + { + FT_Short height; + FT_Short width; + + FT_Pos size; + + FT_Pos x_ppem; + FT_Pos y_ppem; + + } FT_Bitmap_Size; + + + /*************************************************************************/ + /*************************************************************************/ + /* */ + /* O B J E C T C L A S S E S */ + /* */ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Library */ + /* */ + /* <Description> */ + /* A handle to a FreeType library instance. Each `library' is */ + /* completely independent from the others; it is the `root' of a set */ + /* of objects like fonts, faces, sizes, etc. */ + /* */ + /* It also embeds a memory manager (see @FT_Memory), as well as a */ + /* scan-line converter object (see @FT_Raster). */ + /* */ + /* In multi-threaded applications it is easiest to use one */ + /* `FT_Library' object per thread. In case this is too cumbersome, */ + /* a single `FT_Library' object across threads is possible also */ + /* (since FreeType version 2.5.6), as long as a mutex lock is used */ + /* around @FT_New_Face and @FT_Done_Face. */ + /* */ + /* <Note> */ + /* Library objects are normally created by @FT_Init_FreeType, and */ + /* destroyed with @FT_Done_FreeType. If you need reference-counting */ + /* (cf. @FT_Reference_Library), use @FT_New_Library and */ + /* @FT_Done_Library. */ + /* */ + typedef struct FT_LibraryRec_ *FT_Library; + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* module_management */ + /* */ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Module */ + /* */ + /* <Description> */ + /* A handle to a given FreeType module object. A module can be a */ + /* font driver, a renderer, or anything else that provides services */ + /* to the former. */ + /* */ + typedef struct FT_ModuleRec_* FT_Module; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Driver */ + /* */ + /* <Description> */ + /* A handle to a given FreeType font driver object. A font driver */ + /* is a module capable of creating faces from font files. */ + /* */ + typedef struct FT_DriverRec_* FT_Driver; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Renderer */ + /* */ + /* <Description> */ + /* A handle to a given FreeType renderer. A renderer is a module in */ + /* charge of converting a glyph's outline image to a bitmap. It */ + /* supports a single glyph image format, and one or more target */ + /* surface depths. */ + /* */ + typedef struct FT_RendererRec_* FT_Renderer; + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* base_interface */ + /* */ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Face */ + /* */ + /* <Description> */ + /* A handle to a typographic face object. A face object models a */ + /* given typeface, in a given style. */ + /* */ + /* <Note> */ + /* A face object also owns a single @FT_GlyphSlot object, as well */ + /* as one or more @FT_Size objects. */ + /* */ + /* Use @FT_New_Face or @FT_Open_Face to create a new face object from */ + /* a given filepath or a custom input stream. */ + /* */ + /* Use @FT_Done_Face to destroy it (along with its slot and sizes). */ + /* */ + /* An `FT_Face' object can only be safely used from one thread at a */ + /* time. Similarly, creation and destruction of `FT_Face' with the */ + /* same @FT_Library object can only be done from one thread at a */ + /* time. On the other hand, functions like @FT_Load_Glyph and its */ + /* siblings are thread-safe and do not need the lock to be held as */ + /* long as the same `FT_Face' object is not used from multiple */ + /* threads at the same time. */ + /* */ + /* <Also> */ + /* See @FT_FaceRec for the publicly accessible fields of a given face */ + /* object. */ + /* */ + typedef struct FT_FaceRec_* FT_Face; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Size */ + /* */ + /* <Description> */ + /* A handle to an object that models a face scaled to a given */ + /* character size. */ + /* */ + /* <Note> */ + /* An @FT_Face has one _active_ @FT_Size object that is used by */ + /* functions like @FT_Load_Glyph to determine the scaling */ + /* transformation that in turn is used to load and hint glyphs and */ + /* metrics. */ + /* */ + /* You can use @FT_Set_Char_Size, @FT_Set_Pixel_Sizes, */ + /* @FT_Request_Size or even @FT_Select_Size to change the content */ + /* (i.e., the scaling values) of the active @FT_Size. */ + /* */ + /* You can use @FT_New_Size to create additional size objects for a */ + /* given @FT_Face, but they won't be used by other functions until */ + /* you activate it through @FT_Activate_Size. Only one size can be */ + /* activated at any given time per face. */ + /* */ + /* <Also> */ + /* See @FT_SizeRec for the publicly accessible fields of a given size */ + /* object. */ + /* */ + typedef struct FT_SizeRec_* FT_Size; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_GlyphSlot */ + /* */ + /* <Description> */ + /* A handle to a given `glyph slot'. A slot is a container that can */ + /* hold any of the glyphs contained in its parent face. */ + /* */ + /* In other words, each time you call @FT_Load_Glyph or */ + /* @FT_Load_Char, the slot's content is erased by the new glyph data, */ + /* i.e., the glyph's metrics, its image (bitmap or outline), and */ + /* other control information. */ + /* */ + /* <Also> */ + /* See @FT_GlyphSlotRec for the publicly accessible glyph fields. */ + /* */ + typedef struct FT_GlyphSlotRec_* FT_GlyphSlot; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_CharMap */ + /* */ + /* <Description> */ + /* A handle to a character map (usually abbreviated to `charmap'). A */ + /* charmap is used to translate character codes in a given encoding */ + /* into glyph indexes for its parent's face. Some font formats may */ + /* provide several charmaps per font. */ + /* */ + /* Each face object owns zero or more charmaps, but only one of them */ + /* can be `active', providing the data used by @FT_Get_Char_Index or */ + /* @FT_Load_Char. */ + /* */ + /* The list of available charmaps in a face is available through the */ + /* `face->num_charmaps' and `face->charmaps' fields of @FT_FaceRec. */ + /* */ + /* The currently active charmap is available as `face->charmap'. */ + /* You should call @FT_Set_Charmap to change it. */ + /* */ + /* <Note> */ + /* When a new face is created (either through @FT_New_Face or */ + /* @FT_Open_Face), the library looks for a Unicode charmap within */ + /* the list and automatically activates it. If there is no Unicode */ + /* charmap, FreeType doesn't set an `active' charmap. */ + /* */ + /* <Also> */ + /* See @FT_CharMapRec for the publicly accessible fields of a given */ + /* character map. */ + /* */ + typedef struct FT_CharMapRec_* FT_CharMap; + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_ENC_TAG */ + /* */ + /* <Description> */ + /* This macro converts four-letter tags into an unsigned long. It is */ + /* used to define `encoding' identifiers (see @FT_Encoding). */ + /* */ + /* <Note> */ + /* Since many 16-bit compilers don't like 32-bit enumerations, you */ + /* should redefine this macro in case of problems to something like */ + /* this: */ + /* */ + /* { */ + /* #define FT_ENC_TAG( value, a, b, c, d ) value */ + /* } */ + /* */ + /* to get a simple enumeration without assigning special numbers. */ + /* */ + +#ifndef FT_ENC_TAG +#define FT_ENC_TAG( value, a, b, c, d ) \ + value = ( ( (FT_UInt32)(a) << 24 ) | \ + ( (FT_UInt32)(b) << 16 ) | \ + ( (FT_UInt32)(c) << 8 ) | \ + (FT_UInt32)(d) ) + +#endif /* FT_ENC_TAG */ + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_Encoding */ + /* */ + /* <Description> */ + /* An enumeration to specify character sets supported by charmaps. */ + /* Used in the @FT_Select_Charmap API function. */ + /* */ + /* <Note> */ + /* Despite the name, this enumeration lists specific character */ + /* repertories (i.e., charsets), and not text encoding methods (e.g., */ + /* UTF-8, UTF-16, etc.). */ + /* */ + /* Other encodings might be defined in the future. */ + /* */ + /* <Values> */ + /* FT_ENCODING_NONE :: */ + /* The encoding value~0 is reserved. */ + /* */ + /* FT_ENCODING_UNICODE :: */ + /* The Unicode character set. This value covers all versions of */ + /* the Unicode repertoire, including ASCII and Latin-1. Most fonts */ + /* include a Unicode charmap, but not all of them. */ + /* */ + /* For example, if you want to access Unicode value U+1F028 (and */ + /* the font contains it), use value 0x1F028 as the input value for */ + /* @FT_Get_Char_Index. */ + /* */ + /* FT_ENCODING_MS_SYMBOL :: */ + /* Microsoft Symbol encoding, used to encode mathematical symbols */ + /* and wingdings. For more information, see */ + /* `https://www.microsoft.com/typography/otspec/recom.htm', */ + /* `http://www.kostis.net/charsets/symbol.htm', and */ + /* `http://www.kostis.net/charsets/wingding.htm'. */ + /* */ + /* This encoding uses character codes from the PUA (Private Unicode */ + /* Area) in the range U+F020-U+F0FF. */ + /* */ + /* FT_ENCODING_SJIS :: */ + /* Shift JIS encoding for Japanese. More info at */ + /* `https://en.wikipedia.org/wiki/Shift_JIS'. See note on */ + /* multi-byte encodings below. */ + /* */ + /* FT_ENCODING_PRC :: */ + /* Corresponds to encoding systems mainly for Simplified Chinese as */ + /* used in People's Republic of China (PRC). The encoding layout */ + /* is based on GB~2312 and its supersets GBK and GB~18030. */ + /* */ + /* FT_ENCODING_BIG5 :: */ + /* Corresponds to an encoding system for Traditional Chinese as */ + /* used in Taiwan and Hong Kong. */ + /* */ + /* FT_ENCODING_WANSUNG :: */ + /* Corresponds to the Korean encoding system known as Extended */ + /* Wansung (MS Windows code page 949). */ + /* For more information see */ + /* `https://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WindowsBestFit/bestfit949.txt'. */ + /* */ + /* FT_ENCODING_JOHAB :: */ + /* The Korean standard character set (KS~C 5601-1992), which */ + /* corresponds to MS Windows code page 1361. This character set */ + /* includes all possible Hangul character combinations. */ + /* */ + /* FT_ENCODING_ADOBE_LATIN_1 :: */ + /* Corresponds to a Latin-1 encoding as defined in a Type~1 */ + /* PostScript font. It is limited to 256 character codes. */ + /* */ + /* FT_ENCODING_ADOBE_STANDARD :: */ + /* Adobe Standard encoding, as found in Type~1, CFF, and */ + /* OpenType/CFF fonts. It is limited to 256 character codes. */ + /* */ + /* FT_ENCODING_ADOBE_EXPERT :: */ + /* Adobe Expert encoding, as found in Type~1, CFF, and OpenType/CFF */ + /* fonts. It is limited to 256 character codes. */ + /* */ + /* FT_ENCODING_ADOBE_CUSTOM :: */ + /* Corresponds to a custom encoding, as found in Type~1, CFF, and */ + /* OpenType/CFF fonts. It is limited to 256 character codes. */ + /* */ + /* FT_ENCODING_APPLE_ROMAN :: */ + /* Apple roman encoding. Many TrueType and OpenType fonts contain */ + /* a charmap for this 8-bit encoding, since older versions of Mac */ + /* OS are able to use it. */ + /* */ + /* FT_ENCODING_OLD_LATIN_2 :: */ + /* This value is deprecated and was neither used nor reported by */ + /* FreeType. Don't use or test for it. */ + /* */ + /* FT_ENCODING_MS_SJIS :: */ + /* Same as FT_ENCODING_SJIS. Deprecated. */ + /* */ + /* FT_ENCODING_MS_GB2312 :: */ + /* Same as FT_ENCODING_PRC. Deprecated. */ + /* */ + /* FT_ENCODING_MS_BIG5 :: */ + /* Same as FT_ENCODING_BIG5. Deprecated. */ + /* */ + /* FT_ENCODING_MS_WANSUNG :: */ + /* Same as FT_ENCODING_WANSUNG. Deprecated. */ + /* */ + /* FT_ENCODING_MS_JOHAB :: */ + /* Same as FT_ENCODING_JOHAB. Deprecated. */ + /* */ + /* <Note> */ + /* By default, FreeType automatically synthesizes a Unicode charmap */ + /* for PostScript fonts, using their glyph name dictionaries. */ + /* However, it also reports the encodings defined explicitly in the */ + /* font file, for the cases when they are needed, with the Adobe */ + /* values as well. */ + /* */ + /* FT_ENCODING_NONE is set by the BDF and PCF drivers if the charmap */ + /* is neither Unicode nor ISO-8859-1 (otherwise it is set to */ + /* FT_ENCODING_UNICODE). Use @FT_Get_BDF_Charset_ID to find out */ + /* which encoding is really present. If, for example, the */ + /* `cs_registry' field is `KOI8' and the `cs_encoding' field is `R', */ + /* the font is encoded in KOI8-R. */ + /* */ + /* FT_ENCODING_NONE is always set (with a single exception) by the */ + /* winfonts driver. Use @FT_Get_WinFNT_Header and examine the */ + /* `charset' field of the @FT_WinFNT_HeaderRec structure to find out */ + /* which encoding is really present. For example, */ + /* @FT_WinFNT_ID_CP1251 (204) means Windows code page 1251 (for */ + /* Russian). */ + /* */ + /* FT_ENCODING_NONE is set if `platform_id' is @TT_PLATFORM_MACINTOSH */ + /* and `encoding_id' is not `TT_MAC_ID_ROMAN' (otherwise it is set to */ + /* FT_ENCODING_APPLE_ROMAN). */ + /* */ + /* If `platform_id' is @TT_PLATFORM_MACINTOSH, use the function */ + /* @FT_Get_CMap_Language_ID to query the Mac language ID that may */ + /* be needed to be able to distinguish Apple encoding variants. See */ + /* */ + /* https://www.unicode.org/Public/MAPPINGS/VENDORS/APPLE/Readme.txt */ + /* */ + /* to get an idea how to do that. Basically, if the language ID */ + /* is~0, don't use it, otherwise subtract 1 from the language ID. */ + /* Then examine `encoding_id'. If, for example, `encoding_id' is */ + /* `TT_MAC_ID_ROMAN' and the language ID (minus~1) is */ + /* `TT_MAC_LANGID_GREEK', it is the Greek encoding, not Roman. */ + /* `TT_MAC_ID_ARABIC' with `TT_MAC_LANGID_FARSI' means the Farsi */ + /* variant the Arabic encoding. */ + /* */ + typedef enum FT_Encoding_ + { + FT_ENC_TAG( FT_ENCODING_NONE, 0, 0, 0, 0 ), + + FT_ENC_TAG( FT_ENCODING_MS_SYMBOL, 's', 'y', 'm', 'b' ), + FT_ENC_TAG( FT_ENCODING_UNICODE, 'u', 'n', 'i', 'c' ), + + FT_ENC_TAG( FT_ENCODING_SJIS, 's', 'j', 'i', 's' ), + FT_ENC_TAG( FT_ENCODING_PRC, 'g', 'b', ' ', ' ' ), + FT_ENC_TAG( FT_ENCODING_BIG5, 'b', 'i', 'g', '5' ), + FT_ENC_TAG( FT_ENCODING_WANSUNG, 'w', 'a', 'n', 's' ), + FT_ENC_TAG( FT_ENCODING_JOHAB, 'j', 'o', 'h', 'a' ), + + /* for backward compatibility */ + FT_ENCODING_GB2312 = FT_ENCODING_PRC, + FT_ENCODING_MS_SJIS = FT_ENCODING_SJIS, + FT_ENCODING_MS_GB2312 = FT_ENCODING_PRC, + FT_ENCODING_MS_BIG5 = FT_ENCODING_BIG5, + FT_ENCODING_MS_WANSUNG = FT_ENCODING_WANSUNG, + FT_ENCODING_MS_JOHAB = FT_ENCODING_JOHAB, + + FT_ENC_TAG( FT_ENCODING_ADOBE_STANDARD, 'A', 'D', 'O', 'B' ), + FT_ENC_TAG( FT_ENCODING_ADOBE_EXPERT, 'A', 'D', 'B', 'E' ), + FT_ENC_TAG( FT_ENCODING_ADOBE_CUSTOM, 'A', 'D', 'B', 'C' ), + FT_ENC_TAG( FT_ENCODING_ADOBE_LATIN_1, 'l', 'a', 't', '1' ), + + FT_ENC_TAG( FT_ENCODING_OLD_LATIN_2, 'l', 'a', 't', '2' ), + + FT_ENC_TAG( FT_ENCODING_APPLE_ROMAN, 'a', 'r', 'm', 'n' ) + + } FT_Encoding; + + + /* these constants are deprecated; use the corresponding `FT_Encoding' */ + /* values instead */ +#define ft_encoding_none FT_ENCODING_NONE +#define ft_encoding_unicode FT_ENCODING_UNICODE +#define ft_encoding_symbol FT_ENCODING_MS_SYMBOL +#define ft_encoding_latin_1 FT_ENCODING_ADOBE_LATIN_1 +#define ft_encoding_latin_2 FT_ENCODING_OLD_LATIN_2 +#define ft_encoding_sjis FT_ENCODING_SJIS +#define ft_encoding_gb2312 FT_ENCODING_PRC +#define ft_encoding_big5 FT_ENCODING_BIG5 +#define ft_encoding_wansung FT_ENCODING_WANSUNG +#define ft_encoding_johab FT_ENCODING_JOHAB + +#define ft_encoding_adobe_standard FT_ENCODING_ADOBE_STANDARD +#define ft_encoding_adobe_expert FT_ENCODING_ADOBE_EXPERT +#define ft_encoding_adobe_custom FT_ENCODING_ADOBE_CUSTOM +#define ft_encoding_apple_roman FT_ENCODING_APPLE_ROMAN + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_CharMapRec */ + /* */ + /* <Description> */ + /* The base charmap structure. */ + /* */ + /* <Fields> */ + /* face :: A handle to the parent face object. */ + /* */ + /* encoding :: An @FT_Encoding tag identifying the charmap. Use */ + /* this with @FT_Select_Charmap. */ + /* */ + /* platform_id :: An ID number describing the platform for the */ + /* following encoding ID. This comes directly from */ + /* the TrueType specification and gets emulated for */ + /* other formats. */ + /* */ + /* encoding_id :: A platform specific encoding number. This also */ + /* comes from the TrueType specification and gets */ + /* emulated similarly. */ + /* */ + typedef struct FT_CharMapRec_ + { + FT_Face face; + FT_Encoding encoding; + FT_UShort platform_id; + FT_UShort encoding_id; + + } FT_CharMapRec; + + + /*************************************************************************/ + /*************************************************************************/ + /* */ + /* B A S E O B J E C T C L A S S E S */ + /* */ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Face_Internal */ + /* */ + /* <Description> */ + /* An opaque handle to an `FT_Face_InternalRec' structure that models */ + /* the private data of a given @FT_Face object. */ + /* */ + /* This structure might change between releases of FreeType~2 and is */ + /* not generally available to client applications. */ + /* */ + typedef struct FT_Face_InternalRec_* FT_Face_Internal; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_FaceRec */ + /* */ + /* <Description> */ + /* FreeType root face class structure. A face object models a */ + /* typeface in a font file. */ + /* */ + /* <Fields> */ + /* num_faces :: The number of faces in the font file. Some */ + /* font formats can have multiple faces in */ + /* a single font file. */ + /* */ + /* face_index :: This field holds two different values. */ + /* Bits 0-15 are the index of the face in the */ + /* font file (starting with value~0). They */ + /* are set to~0 if there is only one face in */ + /* the font file. */ + /* */ + /* [Since 2.6.1] Bits 16-30 are relevant to GX */ + /* and OpenType variation fonts only, holding */ + /* the named instance index for the current */ + /* face index (starting with value~1; value~0 */ + /* indicates font access without a named */ + /* instance). For non-variation fonts, bits */ + /* 16-30 are ignored. If we have the third */ + /* named instance of face~4, say, `face_index' */ + /* is set to 0x00030004. */ + /* */ + /* Bit 31 is always zero (this is, */ + /* `face_index' is always a positive value). */ + /* */ + /* [Since 2.9] Changing the design coordinates */ + /* with @FT_Set_Var_Design_Coordinates or */ + /* @FT_Set_Var_Blend_Coordinates does not */ + /* influence the named instance index value */ + /* (only @FT_Set_Named_Instance does that). */ + /* */ + /* face_flags :: A set of bit flags that give important */ + /* information about the face; see */ + /* @FT_FACE_FLAG_XXX for the details. */ + /* */ + /* style_flags :: The lower 16~bits contain a set of bit */ + /* flags indicating the style of the face; see */ + /* @FT_STYLE_FLAG_XXX for the details. */ + /* */ + /* [Since 2.6.1] Bits 16-30 hold the number */ + /* of named instances available for the */ + /* current face if we have a GX or OpenType */ + /* variation (sub)font. Bit 31 is always zero */ + /* (this is, `style_flags' is always a */ + /* positive value). Note that a variation */ + /* font has always at least one named */ + /* instance, namely the default instance. */ + /* */ + /* num_glyphs :: The number of glyphs in the face. If the */ + /* face is scalable and has sbits (see */ + /* `num_fixed_sizes'), it is set to the number */ + /* of outline glyphs. */ + /* */ + /* For CID-keyed fonts (not in an SFNT */ + /* wrapper) this value gives the highest CID */ + /* used in the font. */ + /* */ + /* family_name :: The face's family name. This is an ASCII */ + /* string, usually in English, that describes */ + /* the typeface's family (like `Times New */ + /* Roman', `Bodoni', `Garamond', etc). This */ + /* is a least common denominator used to list */ + /* fonts. Some formats (TrueType & OpenType) */ + /* provide localized and Unicode versions of */ + /* this string. Applications should use the */ + /* format specific interface to access them. */ + /* Can be NULL (e.g., in fonts embedded in a */ + /* PDF file). */ + /* */ + /* In case the font doesn't provide a specific */ + /* family name entry, FreeType tries to */ + /* synthesize one, deriving it from other name */ + /* entries. */ + /* */ + /* style_name :: The face's style name. This is an ASCII */ + /* string, usually in English, that describes */ + /* the typeface's style (like `Italic', */ + /* `Bold', `Condensed', etc). Not all font */ + /* formats provide a style name, so this field */ + /* is optional, and can be set to NULL. As */ + /* for `family_name', some formats provide */ + /* localized and Unicode versions of this */ + /* string. Applications should use the format */ + /* specific interface to access them. */ + /* */ + /* num_fixed_sizes :: The number of bitmap strikes in the face. */ + /* Even if the face is scalable, there might */ + /* still be bitmap strikes, which are called */ + /* `sbits' in that case. */ + /* */ + /* available_sizes :: An array of @FT_Bitmap_Size for all bitmap */ + /* strikes in the face. It is set to NULL if */ + /* there is no bitmap strike. */ + /* */ + /* Note that FreeType tries to sanitize the */ + /* strike data since they are sometimes sloppy */ + /* or incorrect, but this can easily fail. */ + /* */ + /* num_charmaps :: The number of charmaps in the face. */ + /* */ + /* charmaps :: An array of the charmaps of the face. */ + /* */ + /* generic :: A field reserved for client uses. See the */ + /* @FT_Generic type description. */ + /* */ + /* bbox :: The font bounding box. Coordinates are */ + /* expressed in font units (see */ + /* `units_per_EM'). The box is large enough */ + /* to contain any glyph from the font. Thus, */ + /* `bbox.yMax' can be seen as the `maximum */ + /* ascender', and `bbox.yMin' as the `minimum */ + /* descender'. Only relevant for scalable */ + /* formats. */ + /* */ + /* Note that the bounding box might be off by */ + /* (at least) one pixel for hinted fonts. See */ + /* @FT_Size_Metrics for further discussion. */ + /* */ + /* units_per_EM :: The number of font units per EM square for */ + /* this face. This is typically 2048 for */ + /* TrueType fonts, and 1000 for Type~1 fonts. */ + /* Only relevant for scalable formats. */ + /* */ + /* ascender :: The typographic ascender of the face, */ + /* expressed in font units. For font formats */ + /* not having this information, it is set to */ + /* `bbox.yMax'. Only relevant for scalable */ + /* formats. */ + /* */ + /* descender :: The typographic descender of the face, */ + /* expressed in font units. For font formats */ + /* not having this information, it is set to */ + /* `bbox.yMin'. Note that this field is */ + /* negative for values below the baseline. */ + /* Only relevant for scalable formats. */ + /* */ + /* height :: This value is the vertical distance */ + /* between two consecutive baselines, */ + /* expressed in font units. It is always */ + /* positive. Only relevant for scalable */ + /* formats. */ + /* */ + /* If you want the global glyph height, use */ + /* `ascender - descender'. */ + /* */ + /* max_advance_width :: The maximum advance width, in font units, */ + /* for all glyphs in this face. This can be */ + /* used to make word wrapping computations */ + /* faster. Only relevant for scalable */ + /* formats. */ + /* */ + /* max_advance_height :: The maximum advance height, in font units, */ + /* for all glyphs in this face. This is only */ + /* relevant for vertical layouts, and is set */ + /* to `height' for fonts that do not provide */ + /* vertical metrics. Only relevant for */ + /* scalable formats. */ + /* */ + /* underline_position :: The position, in font units, of the */ + /* underline line for this face. It is the */ + /* center of the underlining stem. Only */ + /* relevant for scalable formats. */ + /* */ + /* underline_thickness :: The thickness, in font units, of the */ + /* underline for this face. Only relevant for */ + /* scalable formats. */ + /* */ + /* glyph :: The face's associated glyph slot(s). */ + /* */ + /* size :: The current active size for this face. */ + /* */ + /* charmap :: The current active charmap for this face. */ + /* */ + /* <Note> */ + /* Fields may be changed after a call to @FT_Attach_File or */ + /* @FT_Attach_Stream. */ + /* */ + /* For an OpenType variation font, the values of the following fields */ + /* can change after a call to @FT_Set_Var_Design_Coordinates (and */ + /* friends) if the font contains an `MVAR' table: `ascender', */ + /* `descender', `height', `underline_position', and */ + /* `underline_thickness'. */ + /* */ + /* Especially for TrueType fonts see also the documentation for */ + /* @FT_Size_Metrics. */ + /* */ + typedef struct FT_FaceRec_ + { + FT_Long num_faces; + FT_Long face_index; + + FT_Long face_flags; + FT_Long style_flags; + + FT_Long num_glyphs; + + FT_String* family_name; + FT_String* style_name; + + FT_Int num_fixed_sizes; + FT_Bitmap_Size* available_sizes; + + FT_Int num_charmaps; + FT_CharMap* charmaps; + + FT_Generic generic; + + /*# The following member variables (down to `underline_thickness') */ + /*# are only relevant to scalable outlines; cf. @FT_Bitmap_Size */ + /*# for bitmap fonts. */ + FT_BBox bbox; + + FT_UShort units_per_EM; + FT_Short ascender; + FT_Short descender; + FT_Short height; + + FT_Short max_advance_width; + FT_Short max_advance_height; + + FT_Short underline_position; + FT_Short underline_thickness; + + FT_GlyphSlot glyph; + FT_Size size; + FT_CharMap charmap; + + /*@private begin */ + + FT_Driver driver; + FT_Memory memory; + FT_Stream stream; + + FT_ListRec sizes_list; + + FT_Generic autohint; /* face-specific auto-hinter data */ + void* extensions; /* unused */ + + FT_Face_Internal internal; + + /*@private end */ + + } FT_FaceRec; + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_FACE_FLAG_XXX */ + /* */ + /* <Description> */ + /* A list of bit flags used in the `face_flags' field of the */ + /* @FT_FaceRec structure. They inform client applications of */ + /* properties of the corresponding face. */ + /* */ + /* <Values> */ + /* FT_FACE_FLAG_SCALABLE :: */ + /* The face contains outline glyphs. Note that a face can contain */ + /* bitmap strikes also, i.e., a face can have both this flag and */ + /* @FT_FACE_FLAG_FIXED_SIZES set. */ + /* */ + /* FT_FACE_FLAG_FIXED_SIZES :: */ + /* The face contains bitmap strikes. See also the */ + /* `num_fixed_sizes' and `available_sizes' fields of @FT_FaceRec. */ + /* */ + /* FT_FACE_FLAG_FIXED_WIDTH :: */ + /* The face contains fixed-width characters (like Courier, Lucida, */ + /* MonoType, etc.). */ + /* */ + /* FT_FACE_FLAG_SFNT :: */ + /* The face uses the SFNT storage scheme. For now, this means */ + /* TrueType and OpenType. */ + /* */ + /* FT_FACE_FLAG_HORIZONTAL :: */ + /* The face contains horizontal glyph metrics. This should be set */ + /* for all common formats. */ + /* */ + /* FT_FACE_FLAG_VERTICAL :: */ + /* The face contains vertical glyph metrics. This is only */ + /* available in some formats, not all of them. */ + /* */ + /* FT_FACE_FLAG_KERNING :: */ + /* The face contains kerning information. If set, the kerning */ + /* distance can be retrieved using the function @FT_Get_Kerning. */ + /* Otherwise the function always return the vector (0,0). Note */ + /* that FreeType doesn't handle kerning data from the SFNT `GPOS' */ + /* table (as present in many OpenType fonts). */ + /* */ + /* FT_FACE_FLAG_FAST_GLYPHS :: */ + /* THIS FLAG IS DEPRECATED. DO NOT USE OR TEST IT. */ + /* */ + /* FT_FACE_FLAG_MULTIPLE_MASTERS :: */ + /* The face contains multiple masters and is capable of */ + /* interpolating between them. Supported formats are Adobe MM, */ + /* TrueType GX, and OpenType variation fonts. */ + /* */ + /* See the multiple-masters specific API for details. */ + /* */ + /* FT_FACE_FLAG_GLYPH_NAMES :: */ + /* The face contains glyph names, which can be retrieved using */ + /* @FT_Get_Glyph_Name. Note that some TrueType fonts contain */ + /* broken glyph name tables. Use the function */ + /* @FT_Has_PS_Glyph_Names when needed. */ + /* */ + /* FT_FACE_FLAG_EXTERNAL_STREAM :: */ + /* Used internally by FreeType to indicate that a face's stream was */ + /* provided by the client application and should not be destroyed */ + /* when @FT_Done_Face is called. Don't read or test this flag. */ + /* */ + /* FT_FACE_FLAG_HINTER :: */ + /* The font driver has a hinting machine of its own. For example, */ + /* with TrueType fonts, it makes sense to use data from the SFNT */ + /* `gasp' table only if the native TrueType hinting engine (with */ + /* the bytecode interpreter) is available and active. */ + /* */ + /* FT_FACE_FLAG_CID_KEYED :: */ + /* The face is CID-keyed. In that case, the face is not accessed */ + /* by glyph indices but by CID values. For subsetted CID-keyed */ + /* fonts this has the consequence that not all index values are a */ + /* valid argument to @FT_Load_Glyph. Only the CID values for which */ + /* corresponding glyphs in the subsetted font exist make */ + /* `FT_Load_Glyph' return successfully; in all other cases you get */ + /* an `FT_Err_Invalid_Argument' error. */ + /* */ + /* Note that CID-keyed fonts that are in an SFNT wrapper (this is, */ + /* all OpenType/CFF fonts) don't have this flag set since the */ + /* glyphs are accessed in the normal way (using contiguous */ + /* indices); the `CID-ness' isn't visible to the application. */ + /* */ + /* FT_FACE_FLAG_TRICKY :: */ + /* The face is `tricky', this is, it always needs the font format's */ + /* native hinting engine to get a reasonable result. A typical */ + /* example is the old Chinese font `mingli.ttf' (but not */ + /* `mingliu.ttc') that uses TrueType bytecode instructions to move */ + /* and scale all of its subglyphs. */ + /* */ + /* It is not possible to auto-hint such fonts using */ + /* @FT_LOAD_FORCE_AUTOHINT; it will also ignore */ + /* @FT_LOAD_NO_HINTING. You have to set both @FT_LOAD_NO_HINTING */ + /* and @FT_LOAD_NO_AUTOHINT to really disable hinting; however, you */ + /* probably never want this except for demonstration purposes. */ + /* */ + /* Currently, there are about a dozen TrueType fonts in the list of */ + /* tricky fonts; they are hard-coded in file `ttobjs.c'. */ + /* */ + /* FT_FACE_FLAG_COLOR :: */ + /* [Since 2.5.1] The face has color glyph tables. To access color */ + /* glyphs use @FT_LOAD_COLOR. */ + /* */ + /* FT_FACE_FLAG_VARIATION :: */ + /* [Since 2.9] Set if the current face (or named instance) has been */ + /* altered with @FT_Set_MM_Design_Coordinates, */ + /* @FT_Set_Var_Design_Coordinates, or */ + /* @FT_Set_Var_Blend_Coordinates. This flag is unset by a call to */ + /* @FT_Set_Named_Instance. */ + /* */ +#define FT_FACE_FLAG_SCALABLE ( 1L << 0 ) +#define FT_FACE_FLAG_FIXED_SIZES ( 1L << 1 ) +#define FT_FACE_FLAG_FIXED_WIDTH ( 1L << 2 ) +#define FT_FACE_FLAG_SFNT ( 1L << 3 ) +#define FT_FACE_FLAG_HORIZONTAL ( 1L << 4 ) +#define FT_FACE_FLAG_VERTICAL ( 1L << 5 ) +#define FT_FACE_FLAG_KERNING ( 1L << 6 ) +#define FT_FACE_FLAG_FAST_GLYPHS ( 1L << 7 ) +#define FT_FACE_FLAG_MULTIPLE_MASTERS ( 1L << 8 ) +#define FT_FACE_FLAG_GLYPH_NAMES ( 1L << 9 ) +#define FT_FACE_FLAG_EXTERNAL_STREAM ( 1L << 10 ) +#define FT_FACE_FLAG_HINTER ( 1L << 11 ) +#define FT_FACE_FLAG_CID_KEYED ( 1L << 12 ) +#define FT_FACE_FLAG_TRICKY ( 1L << 13 ) +#define FT_FACE_FLAG_COLOR ( 1L << 14 ) +#define FT_FACE_FLAG_VARIATION ( 1L << 15 ) + + + /************************************************************************* + * + * @macro: + * FT_HAS_HORIZONTAL( face ) + * + * @description: + * A macro that returns true whenever a face object contains + * horizontal metrics (this is true for all font formats though). + * + * @also: + * @FT_HAS_VERTICAL can be used to check for vertical metrics. + * + */ +#define FT_HAS_HORIZONTAL( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_HORIZONTAL ) + + + /************************************************************************* + * + * @macro: + * FT_HAS_VERTICAL( face ) + * + * @description: + * A macro that returns true whenever a face object contains real + * vertical metrics (and not only synthesized ones). + * + */ +#define FT_HAS_VERTICAL( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_VERTICAL ) + + + /************************************************************************* + * + * @macro: + * FT_HAS_KERNING( face ) + * + * @description: + * A macro that returns true whenever a face object contains kerning + * data that can be accessed with @FT_Get_Kerning. + * + */ +#define FT_HAS_KERNING( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_KERNING ) + + + /************************************************************************* + * + * @macro: + * FT_IS_SCALABLE( face ) + * + * @description: + * A macro that returns true whenever a face object contains a scalable + * font face (true for TrueType, Type~1, Type~42, CID, OpenType/CFF, + * and PFR font formats). + * + */ +#define FT_IS_SCALABLE( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_SCALABLE ) + + + /************************************************************************* + * + * @macro: + * FT_IS_SFNT( face ) + * + * @description: + * A macro that returns true whenever a face object contains a font + * whose format is based on the SFNT storage scheme. This usually + * means: TrueType fonts, OpenType fonts, as well as SFNT-based embedded + * bitmap fonts. + * + * If this macro is true, all functions defined in @FT_SFNT_NAMES_H and + * @FT_TRUETYPE_TABLES_H are available. + * + */ +#define FT_IS_SFNT( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_SFNT ) + + + /************************************************************************* + * + * @macro: + * FT_IS_FIXED_WIDTH( face ) + * + * @description: + * A macro that returns true whenever a face object contains a font face + * that contains fixed-width (or `monospace', `fixed-pitch', etc.) + * glyphs. + * + */ +#define FT_IS_FIXED_WIDTH( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_FIXED_WIDTH ) + + + /************************************************************************* + * + * @macro: + * FT_HAS_FIXED_SIZES( face ) + * + * @description: + * A macro that returns true whenever a face object contains some + * embedded bitmaps. See the `available_sizes' field of the + * @FT_FaceRec structure. + * + */ +#define FT_HAS_FIXED_SIZES( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_FIXED_SIZES ) + + + /************************************************************************* + * + * @macro: + * FT_HAS_FAST_GLYPHS( face ) + * + * @description: + * Deprecated. + * + */ +#define FT_HAS_FAST_GLYPHS( face ) 0 + + + /************************************************************************* + * + * @macro: + * FT_HAS_GLYPH_NAMES( face ) + * + * @description: + * A macro that returns true whenever a face object contains some glyph + * names that can be accessed through @FT_Get_Glyph_Name. + * + */ +#define FT_HAS_GLYPH_NAMES( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_GLYPH_NAMES ) + + + /************************************************************************* + * + * @macro: + * FT_HAS_MULTIPLE_MASTERS( face ) + * + * @description: + * A macro that returns true whenever a face object contains some + * multiple masters. The functions provided by @FT_MULTIPLE_MASTERS_H + * are then available to choose the exact design you want. + * + */ +#define FT_HAS_MULTIPLE_MASTERS( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_MULTIPLE_MASTERS ) + + + /************************************************************************* + * + * @macro: + * FT_IS_NAMED_INSTANCE( face ) + * + * @description: + * A macro that returns true whenever a face object is a named instance + * of a GX or OpenType variation font. + * + * [Since 2.9] Changing the design coordinates with + * @FT_Set_Var_Design_Coordinates or @FT_Set_Var_Blend_Coordinates does + * not influence the return value of this macro (only + * @FT_Set_Named_Instance does that). + * + * @since: + * 2.7 + * + */ +#define FT_IS_NAMED_INSTANCE( face ) \ + ( (face)->face_index & 0x7FFF0000L ) + + + /************************************************************************* + * + * @macro: + * FT_IS_VARIATION( face ) + * + * @description: + * A macro that returns true whenever a face object has been altered + * by @FT_Set_MM_Design_Coordinates, @FT_Set_Var_Design_Coordinates, or + * @FT_Set_Var_Blend_Coordinates. + * + * @since: + * 2.9 + * + */ +#define FT_IS_VARIATION( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_VARIATION ) + + + /************************************************************************* + * + * @macro: + * FT_IS_CID_KEYED( face ) + * + * @description: + * A macro that returns true whenever a face object contains a CID-keyed + * font. See the discussion of @FT_FACE_FLAG_CID_KEYED for more + * details. + * + * If this macro is true, all functions defined in @FT_CID_H are + * available. + * + */ +#define FT_IS_CID_KEYED( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_CID_KEYED ) + + + /************************************************************************* + * + * @macro: + * FT_IS_TRICKY( face ) + * + * @description: + * A macro that returns true whenever a face represents a `tricky' font. + * See the discussion of @FT_FACE_FLAG_TRICKY for more details. + * + */ +#define FT_IS_TRICKY( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_TRICKY ) + + + /************************************************************************* + * + * @macro: + * FT_HAS_COLOR( face ) + * + * @description: + * A macro that returns true whenever a face object contains + * tables for color glyphs. + * + * @since: + * 2.5.1 + * + */ +#define FT_HAS_COLOR( face ) \ + ( (face)->face_flags & FT_FACE_FLAG_COLOR ) + + + /*************************************************************************/ + /* */ + /* <Const> */ + /* FT_STYLE_FLAG_XXX */ + /* */ + /* <Description> */ + /* A list of bit flags to indicate the style of a given face. These */ + /* are used in the `style_flags' field of @FT_FaceRec. */ + /* */ + /* <Values> */ + /* FT_STYLE_FLAG_ITALIC :: */ + /* The face style is italic or oblique. */ + /* */ + /* FT_STYLE_FLAG_BOLD :: */ + /* The face is bold. */ + /* */ + /* <Note> */ + /* The style information as provided by FreeType is very basic. More */ + /* details are beyond the scope and should be done on a higher level */ + /* (for example, by analyzing various fields of the `OS/2' table in */ + /* SFNT based fonts). */ + /* */ +#define FT_STYLE_FLAG_ITALIC ( 1 << 0 ) +#define FT_STYLE_FLAG_BOLD ( 1 << 1 ) + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Size_Internal */ + /* */ + /* <Description> */ + /* An opaque handle to an `FT_Size_InternalRec' structure, used to */ + /* model private data of a given @FT_Size object. */ + /* */ + typedef struct FT_Size_InternalRec_* FT_Size_Internal; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Size_Metrics */ + /* */ + /* <Description> */ + /* The size metrics structure gives the metrics of a size object. */ + /* */ + /* <Fields> */ + /* x_ppem :: The width of the scaled EM square in pixels, hence */ + /* the term `ppem' (pixels per EM). It is also */ + /* referred to as `nominal width'. */ + /* */ + /* y_ppem :: The height of the scaled EM square in pixels, */ + /* hence the term `ppem' (pixels per EM). It is also */ + /* referred to as `nominal height'. */ + /* */ + /* x_scale :: A 16.16 fractional scaling value to convert */ + /* horizontal metrics from font units to 26.6 */ + /* fractional pixels. Only relevant for scalable */ + /* font formats. */ + /* */ + /* y_scale :: A 16.16 fractional scaling value to convert */ + /* vertical metrics from font units to 26.6 */ + /* fractional pixels. Only relevant for scalable */ + /* font formats. */ + /* */ + /* ascender :: The ascender in 26.6 fractional pixels, rounded up */ + /* to an integer value. See @FT_FaceRec for the */ + /* details. */ + /* */ + /* descender :: The descender in 26.6 fractional pixels, rounded */ + /* down to an integer value. See @FT_FaceRec for the */ + /* details. */ + /* */ + /* height :: The height in 26.6 fractional pixels, rounded to */ + /* an integer value. See @FT_FaceRec for the */ + /* details. */ + /* */ + /* max_advance :: The maximum advance width in 26.6 fractional */ + /* pixels, rounded to an integer value. See */ + /* @FT_FaceRec for the details. */ + /* */ + /* <Note> */ + /* The scaling values, if relevant, are determined first during a */ + /* size changing operation. The remaining fields are then set by the */ + /* driver. For scalable formats, they are usually set to scaled */ + /* values of the corresponding fields in @FT_FaceRec. Some values */ + /* like ascender or descender are rounded for historical reasons; */ + /* more precise values (for outline fonts) can be derived by scaling */ + /* the corresponding @FT_FaceRec values manually, with code similar */ + /* to the following. */ + /* */ + /* { */ + /* scaled_ascender = FT_MulFix( face->ascender, */ + /* size_metrics->y_scale ); */ + /* } */ + /* */ + /* Note that due to glyph hinting and the selected rendering mode */ + /* these values are usually not exact; consequently, they must be */ + /* treated as unreliable with an error margin of at least one pixel! */ + /* */ + /* Indeed, the only way to get the exact metrics is to render _all_ */ + /* glyphs. As this would be a definite performance hit, it is up to */ + /* client applications to perform such computations. */ + /* */ + /* The `FT_Size_Metrics' structure is valid for bitmap fonts also. */ + /* */ + /* */ + /* *TrueType* *fonts* *with* *native* *bytecode* *hinting* */ + /* */ + /* All applications that handle TrueType fonts with native hinting */ + /* must be aware that TTFs expect different rounding of vertical font */ + /* dimensions. The application has to cater for this, especially if */ + /* it wants to rely on a TTF's vertical data (for example, to */ + /* properly align box characters vertically). */ + /* */ + /* Only the application knows _in_ _advance_ that it is going to use */ + /* native hinting for TTFs! FreeType, on the other hand, selects the */ + /* hinting mode not at the time of creating an @FT_Size object but */ + /* much later, namely while calling @FT_Load_Glyph. */ + /* */ + /* Here is some pseudo code that illustrates a possible solution. */ + /* */ + /* { */ + /* font_format = FT_Get_Font_Format( face ); */ + /* */ + /* if ( !strcmp( font_format, "TrueType" ) && */ + /* do_native_bytecode_hinting ) */ + /* { */ + /* ascender = ROUND( FT_MulFix( face->ascender, */ + /* size_metrics->y_scale ) ); */ + /* descender = ROUND( FT_MulFix( face->descender, */ + /* size_metrics->y_scale ) ); */ + /* } */ + /* else */ + /* { */ + /* ascender = size_metrics->ascender; */ + /* descender = size_metrics->descender; */ + /* } */ + /* */ + /* height = size_metrics->height; */ + /* max_advance = size_metrics->max_advance; */ + /* } */ + /* */ + typedef struct FT_Size_Metrics_ + { + FT_UShort x_ppem; /* horizontal pixels per EM */ + FT_UShort y_ppem; /* vertical pixels per EM */ + + FT_Fixed x_scale; /* scaling values used to convert font */ + FT_Fixed y_scale; /* units to 26.6 fractional pixels */ + + FT_Pos ascender; /* ascender in 26.6 frac. pixels */ + FT_Pos descender; /* descender in 26.6 frac. pixels */ + FT_Pos height; /* text height in 26.6 frac. pixels */ + FT_Pos max_advance; /* max horizontal advance, in 26.6 pixels */ + + } FT_Size_Metrics; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_SizeRec */ + /* */ + /* <Description> */ + /* FreeType root size class structure. A size object models a face */ + /* object at a given size. */ + /* */ + /* <Fields> */ + /* face :: Handle to the parent face object. */ + /* */ + /* generic :: A typeless pointer, unused by the FreeType library or */ + /* any of its drivers. It can be used by client */ + /* applications to link their own data to each size */ + /* object. */ + /* */ + /* metrics :: Metrics for this size object. This field is read-only. */ + /* */ + typedef struct FT_SizeRec_ + { + FT_Face face; /* parent face object */ + FT_Generic generic; /* generic pointer for client uses */ + FT_Size_Metrics metrics; /* size metrics */ + FT_Size_Internal internal; + + } FT_SizeRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_SubGlyph */ + /* */ + /* <Description> */ + /* The subglyph structure is an internal object used to describe */ + /* subglyphs (for example, in the case of composites). */ + /* */ + /* <Note> */ + /* The subglyph implementation is not part of the high-level API, */ + /* hence the forward structure declaration. */ + /* */ + /* You can however retrieve subglyph information with */ + /* @FT_Get_SubGlyph_Info. */ + /* */ + typedef struct FT_SubGlyphRec_* FT_SubGlyph; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Slot_Internal */ + /* */ + /* <Description> */ + /* An opaque handle to an `FT_Slot_InternalRec' structure, used to */ + /* model private data of a given @FT_GlyphSlot object. */ + /* */ + typedef struct FT_Slot_InternalRec_* FT_Slot_Internal; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_GlyphSlotRec */ + /* */ + /* <Description> */ + /* FreeType root glyph slot class structure. A glyph slot is a */ + /* container where individual glyphs can be loaded, be they in */ + /* outline or bitmap format. */ + /* */ + /* <Fields> */ + /* library :: A handle to the FreeType library instance */ + /* this slot belongs to. */ + /* */ + /* face :: A handle to the parent face object. */ + /* */ + /* next :: In some cases (like some font tools), several */ + /* glyph slots per face object can be a good */ + /* thing. As this is rare, the glyph slots are */ + /* listed through a direct, single-linked list */ + /* using its `next' field. */ + /* */ + /* generic :: A typeless pointer unused by the FreeType */ + /* library or any of its drivers. It can be */ + /* used by client applications to link their own */ + /* data to each glyph slot object. */ + /* */ + /* metrics :: The metrics of the last loaded glyph in the */ + /* slot. The returned values depend on the last */ + /* load flags (see the @FT_Load_Glyph API */ + /* function) and can be expressed either in 26.6 */ + /* fractional pixels or font units. */ + /* */ + /* Note that even when the glyph image is */ + /* transformed, the metrics are not. */ + /* */ + /* linearHoriAdvance :: The advance width of the unhinted glyph. */ + /* Its value is expressed in 16.16 fractional */ + /* pixels, unless @FT_LOAD_LINEAR_DESIGN is set */ + /* when loading the glyph. This field can be */ + /* important to perform correct WYSIWYG layout. */ + /* Only relevant for outline glyphs. */ + /* */ + /* linearVertAdvance :: The advance height of the unhinted glyph. */ + /* Its value is expressed in 16.16 fractional */ + /* pixels, unless @FT_LOAD_LINEAR_DESIGN is set */ + /* when loading the glyph. This field can be */ + /* important to perform correct WYSIWYG layout. */ + /* Only relevant for outline glyphs. */ + /* */ + /* advance :: This shorthand is, depending on */ + /* @FT_LOAD_IGNORE_TRANSFORM, the transformed */ + /* (hinted) advance width for the glyph, in 26.6 */ + /* fractional pixel format. As specified with */ + /* @FT_LOAD_VERTICAL_LAYOUT, it uses either the */ + /* `horiAdvance' or the `vertAdvance' value of */ + /* `metrics' field. */ + /* */ + /* format :: This field indicates the format of the image */ + /* contained in the glyph slot. Typically */ + /* @FT_GLYPH_FORMAT_BITMAP, */ + /* @FT_GLYPH_FORMAT_OUTLINE, or */ + /* @FT_GLYPH_FORMAT_COMPOSITE, but other values */ + /* are possible. */ + /* */ + /* bitmap :: This field is used as a bitmap descriptor. */ + /* Note that the address and content of the */ + /* bitmap buffer can change between calls of */ + /* @FT_Load_Glyph and a few other functions. */ + /* */ + /* bitmap_left :: The bitmap's left bearing expressed in */ + /* integer pixels. */ + /* */ + /* bitmap_top :: The bitmap's top bearing expressed in integer */ + /* pixels. This is the distance from the */ + /* baseline to the top-most glyph scanline, */ + /* upwards y~coordinates being *positive*. */ + /* */ + /* outline :: The outline descriptor for the current glyph */ + /* image if its format is */ + /* @FT_GLYPH_FORMAT_OUTLINE. Once a glyph is */ + /* loaded, `outline' can be transformed, */ + /* distorted, emboldened, etc. However, it must */ + /* not be freed. */ + /* */ + /* num_subglyphs :: The number of subglyphs in a composite glyph. */ + /* This field is only valid for the composite */ + /* glyph format that should normally only be */ + /* loaded with the @FT_LOAD_NO_RECURSE flag. */ + /* */ + /* subglyphs :: An array of subglyph descriptors for */ + /* composite glyphs. There are `num_subglyphs' */ + /* elements in there. Currently internal to */ + /* FreeType. */ + /* */ + /* control_data :: Certain font drivers can also return the */ + /* control data for a given glyph image (e.g. */ + /* TrueType bytecode, Type~1 charstrings, etc.). */ + /* This field is a pointer to such data; it is */ + /* currently internal to FreeType. */ + /* */ + /* control_len :: This is the length in bytes of the control */ + /* data. Currently internal to FreeType. */ + /* */ + /* other :: Reserved. */ + /* */ + /* lsb_delta :: The difference between hinted and unhinted */ + /* left side bearing while auto-hinting is */ + /* active. Zero otherwise. */ + /* */ + /* rsb_delta :: The difference between hinted and unhinted */ + /* right side bearing while auto-hinting is */ + /* active. Zero otherwise. */ + /* */ + /* <Note> */ + /* If @FT_Load_Glyph is called with default flags (see */ + /* @FT_LOAD_DEFAULT) the glyph image is loaded in the glyph slot in */ + /* its native format (e.g., an outline glyph for TrueType and Type~1 */ + /* formats). [Since 2.9] The prospective bitmap metrics are */ + /* calculated according to @FT_LOAD_TARGET_XXX and other flags even */ + /* for the outline glyph, even if @FT_LOAD_RENDER is not set. */ + /* */ + /* This image can later be converted into a bitmap by calling */ + /* @FT_Render_Glyph. This function searches the current renderer for */ + /* the native image's format, then invokes it. */ + /* */ + /* The renderer is in charge of transforming the native image through */ + /* the slot's face transformation fields, then converting it into a */ + /* bitmap that is returned in `slot->bitmap'. */ + /* */ + /* Note that `slot->bitmap_left' and `slot->bitmap_top' are also used */ + /* to specify the position of the bitmap relative to the current pen */ + /* position (e.g., coordinates (0,0) on the baseline). Of course, */ + /* `slot->format' is also changed to @FT_GLYPH_FORMAT_BITMAP. */ + /* */ + /* Here is a small pseudo code fragment that shows how to use */ + /* `lsb_delta' and `rsb_delta' to do fractional positioning of */ + /* glyphs: */ + /* */ + /* { */ + /* FT_GlyphSlot slot = face->glyph; */ + /* FT_Pos origin_x = 0; */ + /* */ + /* */ + /* for all glyphs do */ + /* <load glyph with `FT_Load_Glyph'> */ + /* */ + /* FT_Outline_Translate( slot->outline, origin_x & 63, 0 ); */ + /* */ + /* <save glyph image, or render glyph, or ...> */ + /* */ + /* <compute kern between current and next glyph */ + /* and add it to `origin_x'> */ + /* */ + /* origin_x += slot->advance.x; */ + /* origin_x += slot->rsb_delta - slot->lsb_delta; */ + /* endfor */ + /* } */ + /* */ + /* Here is another small pseudo code fragment that shows how to use */ + /* `lsb_delta' and `rsb_delta' to improve integer positioning of */ + /* glyphs: */ + /* */ + /* { */ + /* FT_GlyphSlot slot = face->glyph; */ + /* FT_Pos origin_x = 0; */ + /* FT_Pos prev_rsb_delta = 0; */ + /* */ + /* */ + /* for all glyphs do */ + /* <compute kern between current and previous glyph */ + /* and add it to `origin_x'> */ + /* */ + /* <load glyph with `FT_Load_Glyph'> */ + /* */ + /* if ( prev_rsb_delta - slot->lsb_delta > 32 ) */ + /* origin_x -= 64; */ + /* else if ( prev_rsb_delta - slot->lsb_delta < -31 ) */ + /* origin_x += 64; */ + /* */ + /* prev_rsb_delta = slot->rsb_delta; */ + /* */ + /* <save glyph image, or render glyph, or ...> */ + /* */ + /* origin_x += slot->advance.x; */ + /* endfor */ + /* } */ + /* */ + /* If you use strong auto-hinting, you *must* apply these delta */ + /* values! Otherwise you will experience far too large inter-glyph */ + /* spacing at small rendering sizes in most cases. Note that it */ + /* doesn't harm to use the above code for other hinting modes also, */ + /* since the delta values are zero then. */ + /* */ + typedef struct FT_GlyphSlotRec_ + { + FT_Library library; + FT_Face face; + FT_GlyphSlot next; + FT_UInt reserved; /* retained for binary compatibility */ + FT_Generic generic; + + FT_Glyph_Metrics metrics; + FT_Fixed linearHoriAdvance; + FT_Fixed linearVertAdvance; + FT_Vector advance; + + FT_Glyph_Format format; + + FT_Bitmap bitmap; + FT_Int bitmap_left; + FT_Int bitmap_top; + + FT_Outline outline; + + FT_UInt num_subglyphs; + FT_SubGlyph subglyphs; + + void* control_data; + long control_len; + + FT_Pos lsb_delta; + FT_Pos rsb_delta; + + void* other; + + FT_Slot_Internal internal; + + } FT_GlyphSlotRec; + + + /*************************************************************************/ + /*************************************************************************/ + /* */ + /* F U N C T I O N S */ + /* */ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Init_FreeType */ + /* */ + /* <Description> */ + /* Initialize a new FreeType library object. The set of modules */ + /* that are registered by this function is determined at build time. */ + /* */ + /* <Output> */ + /* alibrary :: A handle to a new library object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* In case you want to provide your own memory allocating routines, */ + /* use @FT_New_Library instead, followed by a call to */ + /* @FT_Add_Default_Modules (or a series of calls to @FT_Add_Module) */ + /* and @FT_Set_Default_Properties. */ + /* */ + /* See the documentation of @FT_Library and @FT_Face for */ + /* multi-threading issues. */ + /* */ + /* If you need reference-counting (cf. @FT_Reference_Library), use */ + /* @FT_New_Library and @FT_Done_Library. */ + /* */ + /* If compilation option FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES is */ + /* set, this function reads the `FREETYPE_PROPERTIES' environment */ + /* variable to control driver properties. See section @properties */ + /* for more. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Init_FreeType( FT_Library *alibrary ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Done_FreeType */ + /* */ + /* <Description> */ + /* Destroy a given FreeType library object and all of its children, */ + /* including resources, drivers, faces, sizes, etc. */ + /* */ + /* <Input> */ + /* library :: A handle to the target library object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Done_FreeType( FT_Library library ); + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_OPEN_XXX */ + /* */ + /* <Description> */ + /* A list of bit field constants used within the `flags' field of the */ + /* @FT_Open_Args structure. */ + /* */ + /* <Values> */ + /* FT_OPEN_MEMORY :: This is a memory-based stream. */ + /* */ + /* FT_OPEN_STREAM :: Copy the stream from the `stream' field. */ + /* */ + /* FT_OPEN_PATHNAME :: Create a new input stream from a C~path */ + /* name. */ + /* */ + /* FT_OPEN_DRIVER :: Use the `driver' field. */ + /* */ + /* FT_OPEN_PARAMS :: Use the `num_params' and `params' fields. */ + /* */ + /* <Note> */ + /* The `FT_OPEN_MEMORY', `FT_OPEN_STREAM', and `FT_OPEN_PATHNAME' */ + /* flags are mutually exclusive. */ + /* */ +#define FT_OPEN_MEMORY 0x1 +#define FT_OPEN_STREAM 0x2 +#define FT_OPEN_PATHNAME 0x4 +#define FT_OPEN_DRIVER 0x8 +#define FT_OPEN_PARAMS 0x10 + + + /* these constants are deprecated; use the corresponding `FT_OPEN_XXX' */ + /* values instead */ +#define ft_open_memory FT_OPEN_MEMORY +#define ft_open_stream FT_OPEN_STREAM +#define ft_open_pathname FT_OPEN_PATHNAME +#define ft_open_driver FT_OPEN_DRIVER +#define ft_open_params FT_OPEN_PARAMS + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Parameter */ + /* */ + /* <Description> */ + /* A simple structure to pass more or less generic parameters to */ + /* @FT_Open_Face and @FT_Face_Properties. */ + /* */ + /* <Fields> */ + /* tag :: A four-byte identification tag. */ + /* */ + /* data :: A pointer to the parameter data. */ + /* */ + /* <Note> */ + /* The ID and function of parameters are driver-specific. See the */ + /* various FT_PARAM_TAG_XXX flags for more information. */ + /* */ + typedef struct FT_Parameter_ + { + FT_ULong tag; + FT_Pointer data; + + } FT_Parameter; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Open_Args */ + /* */ + /* <Description> */ + /* A structure to indicate how to open a new font file or stream. A */ + /* pointer to such a structure can be used as a parameter for the */ + /* functions @FT_Open_Face and @FT_Attach_Stream. */ + /* */ + /* <Fields> */ + /* flags :: A set of bit flags indicating how to use the */ + /* structure. */ + /* */ + /* memory_base :: The first byte of the file in memory. */ + /* */ + /* memory_size :: The size in bytes of the file in memory. */ + /* */ + /* pathname :: A pointer to an 8-bit file pathname. */ + /* */ + /* stream :: A handle to a source stream object. */ + /* */ + /* driver :: This field is exclusively used by @FT_Open_Face; */ + /* it simply specifies the font driver to use for */ + /* opening the face. If set to NULL, FreeType tries */ + /* to load the face with each one of the drivers in */ + /* its list. */ + /* */ + /* num_params :: The number of extra parameters. */ + /* */ + /* params :: Extra parameters passed to the font driver when */ + /* opening a new face. */ + /* */ + /* <Note> */ + /* The stream type is determined by the contents of `flags' that */ + /* are tested in the following order by @FT_Open_Face: */ + /* */ + /* If the @FT_OPEN_MEMORY bit is set, assume that this is a */ + /* memory file of `memory_size' bytes, located at `memory_address'. */ + /* The data are not copied, and the client is responsible for */ + /* releasing and destroying them _after_ the corresponding call to */ + /* @FT_Done_Face. */ + /* */ + /* Otherwise, if the @FT_OPEN_STREAM bit is set, assume that a */ + /* custom input stream `stream' is used. */ + /* */ + /* Otherwise, if the @FT_OPEN_PATHNAME bit is set, assume that this */ + /* is a normal file and use `pathname' to open it. */ + /* */ + /* If the @FT_OPEN_DRIVER bit is set, @FT_Open_Face only tries to */ + /* open the file with the driver whose handler is in `driver'. */ + /* */ + /* If the @FT_OPEN_PARAMS bit is set, the parameters given by */ + /* `num_params' and `params' is used. They are ignored otherwise. */ + /* */ + /* Ideally, both the `pathname' and `params' fields should be tagged */ + /* as `const'; this is missing for API backward compatibility. In */ + /* other words, applications should treat them as read-only. */ + /* */ + typedef struct FT_Open_Args_ + { + FT_UInt flags; + const FT_Byte* memory_base; + FT_Long memory_size; + FT_String* pathname; + FT_Stream stream; + FT_Module driver; + FT_Int num_params; + FT_Parameter* params; + + } FT_Open_Args; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Face */ + /* */ + /* <Description> */ + /* Call @FT_Open_Face to open a font by its pathname. */ + /* */ + /* <InOut> */ + /* library :: A handle to the library resource. */ + /* */ + /* <Input> */ + /* pathname :: A path to the font file. */ + /* */ + /* face_index :: See @FT_Open_Face for a detailed description of this */ + /* parameter. */ + /* */ + /* <Output> */ + /* aface :: A handle to a new face object. If `face_index' is */ + /* greater than or equal to zero, it must be non-NULL. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* Use @FT_Done_Face to destroy the created @FT_Face object (along */ + /* with its slot and sizes). */ + /* */ + FT_EXPORT( FT_Error ) + FT_New_Face( FT_Library library, + const char* filepathname, + FT_Long face_index, + FT_Face *aface ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Memory_Face */ + /* */ + /* <Description> */ + /* Call @FT_Open_Face to open a font that has been loaded into */ + /* memory. */ + /* */ + /* <InOut> */ + /* library :: A handle to the library resource. */ + /* */ + /* <Input> */ + /* file_base :: A pointer to the beginning of the font data. */ + /* */ + /* file_size :: The size of the memory chunk used by the font data. */ + /* */ + /* face_index :: See @FT_Open_Face for a detailed description of this */ + /* parameter. */ + /* */ + /* <Output> */ + /* aface :: A handle to a new face object. If `face_index' is */ + /* greater than or equal to zero, it must be non-NULL. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* You must not deallocate the memory before calling @FT_Done_Face. */ + /* */ + FT_EXPORT( FT_Error ) + FT_New_Memory_Face( FT_Library library, + const FT_Byte* file_base, + FT_Long file_size, + FT_Long face_index, + FT_Face *aface ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Open_Face */ + /* */ + /* <Description> */ + /* Create a face object from a given resource described by */ + /* @FT_Open_Args. */ + /* */ + /* <InOut> */ + /* library :: A handle to the library resource. */ + /* */ + /* <Input> */ + /* args :: A pointer to an `FT_Open_Args' structure that must */ + /* be filled by the caller. */ + /* */ + /* face_index :: This field holds two different values. Bits 0-15 */ + /* are the index of the face in the font file (starting */ + /* with value~0). Set it to~0 if there is only one */ + /* face in the font file. */ + /* */ + /* [Since 2.6.1] Bits 16-30 are relevant to GX and */ + /* OpenType variation fonts only, specifying the named */ + /* instance index for the current face index (starting */ + /* with value~1; value~0 makes FreeType ignore named */ + /* instances). For non-variation fonts, bits 16-30 are */ + /* ignored. Assuming that you want to access the third */ + /* named instance in face~4, `face_index' should be set */ + /* to 0x00030004. If you want to access face~4 without */ + /* variation handling, simply set `face_index' to */ + /* value~4. */ + /* */ + /* `FT_Open_Face' and its siblings can be used to */ + /* quickly check whether the font format of a given */ + /* font resource is supported by FreeType. In general, */ + /* if the `face_index' argument is negative, the */ + /* function's return value is~0 if the font format is */ + /* recognized, or non-zero otherwise. The function */ + /* allocates a more or less empty face handle in */ + /* `*aface' (if `aface' isn't NULL); the only two */ + /* useful fields in this special case are */ + /* `face->num_faces' and `face->style_flags'. For any */ + /* negative value of `face_index', `face->num_faces' */ + /* gives the number of faces within the font file. For */ + /* the negative value `-(N+1)' (with `N' a non-negative */ + /* 16-bit value), bits 16-30 in `face->style_flags' */ + /* give the number of named instances in face `N' if we */ + /* have a variation font (or zero otherwise). After */ + /* examination, the returned @FT_Face structure should */ + /* be deallocated with a call to @FT_Done_Face. */ + /* */ + /* <Output> */ + /* aface :: A handle to a new face object. If `face_index' is */ + /* greater than or equal to zero, it must be non-NULL. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* Unlike FreeType 1.x, this function automatically creates a glyph */ + /* slot for the face object that can be accessed directly through */ + /* `face->glyph'. */ + /* */ + /* Each new face object created with this function also owns a */ + /* default @FT_Size object, accessible as `face->size'. */ + /* */ + /* One @FT_Library instance can have multiple face objects, this is, */ + /* @FT_Open_Face and its siblings can be called multiple times using */ + /* the same `library' argument. */ + /* */ + /* See the discussion of reference counters in the description of */ + /* @FT_Reference_Face. */ + /* */ + /* To loop over all faces, use code similar to the following snippet */ + /* (omitting the error handling). */ + /* */ + /* { */ + /* ... */ + /* FT_Face face; */ + /* FT_Long i, num_faces; */ + /* */ + /* */ + /* error = FT_Open_Face( library, args, -1, &face ); */ + /* if ( error ) { ... } */ + /* */ + /* num_faces = face->num_faces; */ + /* FT_Done_Face( face ); */ + /* */ + /* for ( i = 0; i < num_faces; i++ ) */ + /* { */ + /* ... */ + /* error = FT_Open_Face( library, args, i, &face ); */ + /* ... */ + /* FT_Done_Face( face ); */ + /* ... */ + /* } */ + /* } */ + /* */ + /* To loop over all valid values for `face_index', use something */ + /* similar to the following snippet, again without error handling. */ + /* The code accesses all faces immediately (thus only a single call */ + /* of `FT_Open_Face' within the do-loop), with and without named */ + /* instances. */ + /* */ + /* { */ + /* ... */ + /* FT_Face face; */ + /* */ + /* FT_Long num_faces = 0; */ + /* FT_Long num_instances = 0; */ + /* */ + /* FT_Long face_idx = 0; */ + /* FT_Long instance_idx = 0; */ + /* */ + /* */ + /* do */ + /* { */ + /* FT_Long id = ( instance_idx << 16 ) + face_idx; */ + /* */ + /* */ + /* error = FT_Open_Face( library, args, id, &face ); */ + /* if ( error ) { ... } */ + /* */ + /* num_faces = face->num_faces; */ + /* num_instances = face->style_flags >> 16; */ + /* */ + /* ... */ + /* */ + /* FT_Done_Face( face ); */ + /* */ + /* if ( instance_idx < num_instances ) */ + /* instance_idx++; */ + /* else */ + /* { */ + /* face_idx++; */ + /* instance_idx = 0; */ + /* } */ + /* */ + /* } while ( face_idx < num_faces ) */ + /* } */ + /* */ + FT_EXPORT( FT_Error ) + FT_Open_Face( FT_Library library, + const FT_Open_Args* args, + FT_Long face_index, + FT_Face *aface ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Attach_File */ + /* */ + /* <Description> */ + /* Call @FT_Attach_Stream to attach a file. */ + /* */ + /* <InOut> */ + /* face :: The target face object. */ + /* */ + /* <Input> */ + /* filepathname :: The pathname. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Attach_File( FT_Face face, + const char* filepathname ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Attach_Stream */ + /* */ + /* <Description> */ + /* `Attach' data to a face object. Normally, this is used to read */ + /* additional information for the face object. For example, you can */ + /* attach an AFM file that comes with a Type~1 font to get the */ + /* kerning values and other metrics. */ + /* */ + /* <InOut> */ + /* face :: The target face object. */ + /* */ + /* <Input> */ + /* parameters :: A pointer to @FT_Open_Args that must be filled by */ + /* the caller. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The meaning of the `attach' (i.e., what really happens when the */ + /* new file is read) is not fixed by FreeType itself. It really */ + /* depends on the font format (and thus the font driver). */ + /* */ + /* Client applications are expected to know what they are doing */ + /* when invoking this function. Most drivers simply do not implement */ + /* file or stream attachments. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Attach_Stream( FT_Face face, + FT_Open_Args* parameters ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Reference_Face */ + /* */ + /* <Description> */ + /* A counter gets initialized to~1 at the time an @FT_Face structure */ + /* is created. This function increments the counter. @FT_Done_Face */ + /* then only destroys a face if the counter is~1, otherwise it simply */ + /* decrements the counter. */ + /* */ + /* This function helps in managing life-cycles of structures that */ + /* reference @FT_Face objects. */ + /* */ + /* <Input> */ + /* face :: A handle to a target face object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Since> */ + /* 2.4.2 */ + /* */ + FT_EXPORT( FT_Error ) + FT_Reference_Face( FT_Face face ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Done_Face */ + /* */ + /* <Description> */ + /* Discard a given face object, as well as all of its child slots and */ + /* sizes. */ + /* */ + /* <Input> */ + /* face :: A handle to a target face object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* See the discussion of reference counters in the description of */ + /* @FT_Reference_Face. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Done_Face( FT_Face face ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Select_Size */ + /* */ + /* <Description> */ + /* Select a bitmap strike. To be more precise, this function sets */ + /* the scaling factors of the active @FT_Size object in a face so */ + /* that bitmaps from this particular strike are taken by */ + /* @FT_Load_Glyph and friends. */ + /* */ + /* <InOut> */ + /* face :: A handle to a target face object. */ + /* */ + /* <Input> */ + /* strike_index :: The index of the bitmap strike in the */ + /* `available_sizes' field of @FT_FaceRec structure. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* For bitmaps embedded in outline fonts it is common that only a */ + /* subset of the available glyphs at a given ppem value is available. */ + /* FreeType silently uses outlines if there is no bitmap for a given */ + /* glyph index. */ + /* */ + /* For GX and OpenType variation fonts, a bitmap strike makes sense */ + /* only if the default instance is active (this is, no glyph */ + /* variation takes place); otherwise, FreeType simply ignores bitmap */ + /* strikes. The same is true for all named instances that are */ + /* different from the default instance. */ + /* */ + /* Don't use this function if you are using the FreeType cache API. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Select_Size( FT_Face face, + FT_Int strike_index ); + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_Size_Request_Type */ + /* */ + /* <Description> */ + /* An enumeration type that lists the supported size request types, */ + /* i.e., what input size (in font units) maps to the requested output */ + /* size (in pixels, as computed from the arguments of */ + /* @FT_Size_Request). */ + /* */ + /* <Values> */ + /* FT_SIZE_REQUEST_TYPE_NOMINAL :: */ + /* The nominal size. The `units_per_EM' field of @FT_FaceRec is */ + /* used to determine both scaling values. */ + /* */ + /* This is the standard scaling found in most applications. In */ + /* particular, use this size request type for TrueType fonts if */ + /* they provide optical scaling or something similar. Note, */ + /* however, that `units_per_EM' is a rather abstract value which */ + /* bears no relation to the actual size of the glyphs in a font. */ + /* */ + /* FT_SIZE_REQUEST_TYPE_REAL_DIM :: */ + /* The real dimension. The sum of the `ascender' and (minus of) */ + /* the `descender' fields of @FT_FaceRec is used to determine both */ + /* scaling values. */ + /* */ + /* FT_SIZE_REQUEST_TYPE_BBOX :: */ + /* The font bounding box. The width and height of the `bbox' field */ + /* of @FT_FaceRec are used to determine the horizontal and vertical */ + /* scaling value, respectively. */ + /* */ + /* FT_SIZE_REQUEST_TYPE_CELL :: */ + /* The `max_advance_width' field of @FT_FaceRec is used to */ + /* determine the horizontal scaling value; the vertical scaling */ + /* value is determined the same way as */ + /* @FT_SIZE_REQUEST_TYPE_REAL_DIM does. Finally, both scaling */ + /* values are set to the smaller one. This type is useful if you */ + /* want to specify the font size for, say, a window of a given */ + /* dimension and 80x24 cells. */ + /* */ + /* FT_SIZE_REQUEST_TYPE_SCALES :: */ + /* Specify the scaling values directly. */ + /* */ + /* <Note> */ + /* The above descriptions only apply to scalable formats. For bitmap */ + /* formats, the behaviour is up to the driver. */ + /* */ + /* See the note section of @FT_Size_Metrics if you wonder how size */ + /* requesting relates to scaling values. */ + /* */ + typedef enum FT_Size_Request_Type_ + { + FT_SIZE_REQUEST_TYPE_NOMINAL, + FT_SIZE_REQUEST_TYPE_REAL_DIM, + FT_SIZE_REQUEST_TYPE_BBOX, + FT_SIZE_REQUEST_TYPE_CELL, + FT_SIZE_REQUEST_TYPE_SCALES, + + FT_SIZE_REQUEST_TYPE_MAX + + } FT_Size_Request_Type; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Size_RequestRec */ + /* */ + /* <Description> */ + /* A structure to model a size request. */ + /* */ + /* <Fields> */ + /* type :: See @FT_Size_Request_Type. */ + /* */ + /* width :: The desired width, given as a 26.6 fractional */ + /* point value (with 72pt = 1in). */ + /* */ + /* height :: The desired height, given as a 26.6 fractional */ + /* point value (with 72pt = 1in). */ + /* */ + /* horiResolution :: The horizontal resolution (dpi, i.e., pixels per */ + /* inch). If set to zero, `width' is treated as a */ + /* 26.6 fractional *pixel* value, which gets */ + /* internally rounded to an integer. */ + /* */ + /* vertResolution :: The vertical resolution (dpi, i.e., pixels per */ + /* inch). If set to zero, `height' is treated as a */ + /* 26.6 fractional *pixel* value, which gets */ + /* internally rounded to an integer. */ + /* */ + /* <Note> */ + /* If `width' is zero, the horizontal scaling value is set equal */ + /* to the vertical scaling value, and vice versa. */ + /* */ + /* If `type' is FT_SIZE_REQUEST_TYPE_SCALES, `width' and `height' are */ + /* interpreted directly as 16.16 fractional scaling values, without */ + /* any further modification, and both `horiResolution' and */ + /* `vertResolution' are ignored. */ + /* */ + typedef struct FT_Size_RequestRec_ + { + FT_Size_Request_Type type; + FT_Long width; + FT_Long height; + FT_UInt horiResolution; + FT_UInt vertResolution; + + } FT_Size_RequestRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Size_Request */ + /* */ + /* <Description> */ + /* A handle to a size request structure. */ + /* */ + typedef struct FT_Size_RequestRec_ *FT_Size_Request; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Request_Size */ + /* */ + /* <Description> */ + /* Resize the scale of the active @FT_Size object in a face. */ + /* */ + /* <InOut> */ + /* face :: A handle to a target face object. */ + /* */ + /* <Input> */ + /* req :: A pointer to a @FT_Size_RequestRec. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* Although drivers may select the bitmap strike matching the */ + /* request, you should not rely on this if you intend to select a */ + /* particular bitmap strike. Use @FT_Select_Size instead in that */ + /* case. */ + /* */ + /* The relation between the requested size and the resulting glyph */ + /* size is dependent entirely on how the size is defined in the */ + /* source face. The font designer chooses the final size of each */ + /* glyph relative to this size. For more information refer to */ + /* `https://www.freetype.org/freetype2/docs/glyphs/glyphs-2.html'. */ + /* */ + /* Contrary to @FT_Set_Char_Size, this function doesn't have special */ + /* code to normalize zero-valued widths, heights, or resolutions */ + /* (which lead to errors in most cases). */ + /* */ + /* Don't use this function if you are using the FreeType cache API. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Request_Size( FT_Face face, + FT_Size_Request req ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Char_Size */ + /* */ + /* <Description> */ + /* Call @FT_Request_Size to request the nominal size (in points). */ + /* */ + /* <InOut> */ + /* face :: A handle to a target face object. */ + /* */ + /* <Input> */ + /* char_width :: The nominal width, in 26.6 fractional points. */ + /* */ + /* char_height :: The nominal height, in 26.6 fractional points. */ + /* */ + /* horz_resolution :: The horizontal resolution in dpi. */ + /* */ + /* vert_resolution :: The vertical resolution in dpi. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* While this function allows fractional points as input values, the */ + /* resulting ppem value for the given resolution is always rounded to */ + /* the nearest integer. */ + /* */ + /* If either the character width or height is zero, it is set equal */ + /* to the other value. */ + /* */ + /* If either the horizontal or vertical resolution is zero, it is set */ + /* equal to the other value. */ + /* */ + /* A character width or height smaller than 1pt is set to 1pt; if */ + /* both resolution values are zero, they are set to 72dpi. */ + /* */ + /* Don't use this function if you are using the FreeType cache API. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Set_Char_Size( FT_Face face, + FT_F26Dot6 char_width, + FT_F26Dot6 char_height, + FT_UInt horz_resolution, + FT_UInt vert_resolution ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Pixel_Sizes */ + /* */ + /* <Description> */ + /* Call @FT_Request_Size to request the nominal size (in pixels). */ + /* */ + /* <InOut> */ + /* face :: A handle to the target face object. */ + /* */ + /* <Input> */ + /* pixel_width :: The nominal width, in pixels. */ + /* */ + /* pixel_height :: The nominal height, in pixels. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* You should not rely on the resulting glyphs matching or being */ + /* constrained to this pixel size. Refer to @FT_Request_Size to */ + /* understand how requested sizes relate to actual sizes. */ + /* */ + /* Don't use this function if you are using the FreeType cache API. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Set_Pixel_Sizes( FT_Face face, + FT_UInt pixel_width, + FT_UInt pixel_height ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Load_Glyph */ + /* */ + /* <Description> */ + /* Load a glyph into the glyph slot of a face object. */ + /* */ + /* <InOut> */ + /* face :: A handle to the target face object where the glyph */ + /* is loaded. */ + /* */ + /* <Input> */ + /* glyph_index :: The index of the glyph in the font file. For */ + /* CID-keyed fonts (either in PS or in CFF format) */ + /* this argument specifies the CID value. */ + /* */ + /* load_flags :: A flag indicating what to load for this glyph. The */ + /* @FT_LOAD_XXX constants can be used to control the */ + /* glyph loading process (e.g., whether the outline */ + /* should be scaled, whether to load bitmaps or not, */ + /* whether to hint the outline, etc). */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The loaded glyph may be transformed. See @FT_Set_Transform for */ + /* the details. */ + /* */ + /* For subsetted CID-keyed fonts, `FT_Err_Invalid_Argument' is */ + /* returned for invalid CID values (this is, for CID values that */ + /* don't have a corresponding glyph in the font). See the discussion */ + /* of the @FT_FACE_FLAG_CID_KEYED flag for more details. */ + /* */ + /* If you receive `FT_Err_Glyph_Too_Big', try getting the glyph */ + /* outline at EM size, then scale it manually and fill it as a */ + /* graphics operation. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Load_Glyph( FT_Face face, + FT_UInt glyph_index, + FT_Int32 load_flags ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Load_Char */ + /* */ + /* <Description> */ + /* Load a glyph into the glyph slot of a face object, accessed by its */ + /* character code. */ + /* */ + /* <InOut> */ + /* face :: A handle to a target face object where the glyph */ + /* is loaded. */ + /* */ + /* <Input> */ + /* char_code :: The glyph's character code, according to the */ + /* current charmap used in the face. */ + /* */ + /* load_flags :: A flag indicating what to load for this glyph. The */ + /* @FT_LOAD_XXX constants can be used to control the */ + /* glyph loading process (e.g., whether the outline */ + /* should be scaled, whether to load bitmaps or not, */ + /* whether to hint the outline, etc). */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* This function simply calls @FT_Get_Char_Index and @FT_Load_Glyph. */ + /* */ + /* Many fonts contain glyphs that can't be loaded by this function */ + /* since its glyph indices are not listed in any of the font's */ + /* charmaps. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Load_Char( FT_Face face, + FT_ULong char_code, + FT_Int32 load_flags ); + + + /************************************************************************* + * + * @enum: + * FT_LOAD_XXX + * + * @description: + * A list of bit field constants for @FT_Load_Glyph to indicate what + * kind of operations to perform during glyph loading. + * + * @values: + * FT_LOAD_DEFAULT :: + * Corresponding to~0, this value is used as the default glyph load + * operation. In this case, the following happens: + * + * 1. FreeType looks for a bitmap for the glyph corresponding to the + * face's current size. If one is found, the function returns. + * The bitmap data can be accessed from the glyph slot (see note + * below). + * + * 2. If no embedded bitmap is searched for or found, FreeType looks + * for a scalable outline. If one is found, it is loaded from + * the font file, scaled to device pixels, then `hinted' to the + * pixel grid in order to optimize it. The outline data can be + * accessed from the glyph slot (see note below). + * + * Note that by default the glyph loader doesn't render outlines into + * bitmaps. The following flags are used to modify this default + * behaviour to more specific and useful cases. + * + * FT_LOAD_NO_SCALE :: + * Don't scale the loaded outline glyph but keep it in font units. + * + * This flag implies @FT_LOAD_NO_HINTING and @FT_LOAD_NO_BITMAP, and + * unsets @FT_LOAD_RENDER. + * + * If the font is `tricky' (see @FT_FACE_FLAG_TRICKY for more), using + * FT_LOAD_NO_SCALE usually yields meaningless outlines because the + * subglyphs must be scaled and positioned with hinting instructions. + * This can be solved by loading the font without FT_LOAD_NO_SCALE and + * setting the character size to `font->units_per_EM'. + * + * FT_LOAD_NO_HINTING :: + * Disable hinting. This generally generates `blurrier' bitmap glyphs + * when the glyph are rendered in any of the anti-aliased modes. See + * also the note below. + * + * This flag is implied by @FT_LOAD_NO_SCALE. + * + * FT_LOAD_RENDER :: + * Call @FT_Render_Glyph after the glyph is loaded. By default, the + * glyph is rendered in @FT_RENDER_MODE_NORMAL mode. This can be + * overridden by @FT_LOAD_TARGET_XXX or @FT_LOAD_MONOCHROME. + * + * This flag is unset by @FT_LOAD_NO_SCALE. + * + * FT_LOAD_NO_BITMAP :: + * Ignore bitmap strikes when loading. Bitmap-only fonts ignore this + * flag. + * + * @FT_LOAD_NO_SCALE always sets this flag. + * + * FT_LOAD_VERTICAL_LAYOUT :: + * Load the glyph for vertical text layout. In particular, the + * `advance' value in the @FT_GlyphSlotRec structure is set to the + * `vertAdvance' value of the `metrics' field. + * + * In case @FT_HAS_VERTICAL doesn't return true, you shouldn't use + * this flag currently. Reason is that in this case vertical metrics + * get synthesized, and those values are not always consistent across + * various font formats. + * + * FT_LOAD_FORCE_AUTOHINT :: + * Prefer the auto-hinter over the font's native hinter. See also + * the note below. + * + * FT_LOAD_PEDANTIC :: + * Make the font driver perform pedantic verifications during glyph + * loading. This is mostly used to detect broken glyphs in fonts. + * By default, FreeType tries to handle broken fonts also. + * + * In particular, errors from the TrueType bytecode engine are not + * passed to the application if this flag is not set; this might + * result in partially hinted or distorted glyphs in case a glyph's + * bytecode is buggy. + * + * FT_LOAD_NO_RECURSE :: + * Don't load composite glyphs recursively. Instead, the font + * driver should set the `num_subglyph' and `subglyphs' values of + * the glyph slot accordingly, and set `glyph->format' to + * @FT_GLYPH_FORMAT_COMPOSITE. The description of subglyphs can + * then be accessed with @FT_Get_SubGlyph_Info. + * + * This flag implies @FT_LOAD_NO_SCALE and @FT_LOAD_IGNORE_TRANSFORM. + * + * FT_LOAD_IGNORE_TRANSFORM :: + * Ignore the transform matrix set by @FT_Set_Transform. + * + * FT_LOAD_MONOCHROME :: + * This flag is used with @FT_LOAD_RENDER to indicate that you want to + * render an outline glyph to a 1-bit monochrome bitmap glyph, with + * 8~pixels packed into each byte of the bitmap data. + * + * Note that this has no effect on the hinting algorithm used. You + * should rather use @FT_LOAD_TARGET_MONO so that the + * monochrome-optimized hinting algorithm is used. + * + * FT_LOAD_LINEAR_DESIGN :: + * Keep `linearHoriAdvance' and `linearVertAdvance' fields of + * @FT_GlyphSlotRec in font units. See @FT_GlyphSlotRec for + * details. + * + * FT_LOAD_NO_AUTOHINT :: + * Disable the auto-hinter. See also the note below. + * + * FT_LOAD_COLOR :: + * [Since 2.5] Load embedded color bitmap images. The resulting color + * bitmaps, if available, will have the @FT_PIXEL_MODE_BGRA format. + * If the flag is not set and color bitmaps are found, they are + * converted to 256-level gray bitmaps transparently, using the + * @FT_PIXEL_MODE_GRAY format. + * + * FT_LOAD_COMPUTE_METRICS :: + * [Since 2.6.1] Compute glyph metrics from the glyph data, without + * the use of bundled metrics tables (for example, the `hdmx' table in + * TrueType fonts). This flag is mainly used by font validating or + * font editing applications, which need to ignore, verify, or edit + * those tables. + * + * Currently, this flag is only implemented for TrueType fonts. + * + * FT_LOAD_BITMAP_METRICS_ONLY :: + * [Since 2.7.1] Request loading of the metrics and bitmap image + * information of a (possibly embedded) bitmap glyph without + * allocating or copying the bitmap image data itself. No effect if + * the target glyph is not a bitmap image. + * + * This flag unsets @FT_LOAD_RENDER. + * + * FT_LOAD_CROP_BITMAP :: + * Ignored. Deprecated. + * + * FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH :: + * Ignored. Deprecated. + * + * @note: + * By default, hinting is enabled and the font's native hinter (see + * @FT_FACE_FLAG_HINTER) is preferred over the auto-hinter. You can + * disable hinting by setting @FT_LOAD_NO_HINTING or change the + * precedence by setting @FT_LOAD_FORCE_AUTOHINT. You can also set + * @FT_LOAD_NO_AUTOHINT in case you don't want the auto-hinter to be + * used at all. + * + * See the description of @FT_FACE_FLAG_TRICKY for a special exception + * (affecting only a handful of Asian fonts). + * + * Besides deciding which hinter to use, you can also decide which + * hinting algorithm to use. See @FT_LOAD_TARGET_XXX for details. + * + * Note that the auto-hinter needs a valid Unicode cmap (either a native + * one or synthesized by FreeType) for producing correct results. If a + * font provides an incorrect mapping (for example, assigning the + * character code U+005A, LATIN CAPITAL LETTER Z, to a glyph depicting a + * mathematical integral sign), the auto-hinter might produce useless + * results. + * + */ +#define FT_LOAD_DEFAULT 0x0 +#define FT_LOAD_NO_SCALE ( 1L << 0 ) +#define FT_LOAD_NO_HINTING ( 1L << 1 ) +#define FT_LOAD_RENDER ( 1L << 2 ) +#define FT_LOAD_NO_BITMAP ( 1L << 3 ) +#define FT_LOAD_VERTICAL_LAYOUT ( 1L << 4 ) +#define FT_LOAD_FORCE_AUTOHINT ( 1L << 5 ) +#define FT_LOAD_CROP_BITMAP ( 1L << 6 ) +#define FT_LOAD_PEDANTIC ( 1L << 7 ) +#define FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH ( 1L << 9 ) +#define FT_LOAD_NO_RECURSE ( 1L << 10 ) +#define FT_LOAD_IGNORE_TRANSFORM ( 1L << 11 ) +#define FT_LOAD_MONOCHROME ( 1L << 12 ) +#define FT_LOAD_LINEAR_DESIGN ( 1L << 13 ) +#define FT_LOAD_NO_AUTOHINT ( 1L << 15 ) + /* Bits 16-19 are used by `FT_LOAD_TARGET_' */ +#define FT_LOAD_COLOR ( 1L << 20 ) +#define FT_LOAD_COMPUTE_METRICS ( 1L << 21 ) +#define FT_LOAD_BITMAP_METRICS_ONLY ( 1L << 22 ) + + /* */ + + /* used internally only by certain font drivers */ +#define FT_LOAD_ADVANCE_ONLY ( 1L << 8 ) +#define FT_LOAD_SBITS_ONLY ( 1L << 14 ) + + + /************************************************************************** + * + * @enum: + * FT_LOAD_TARGET_XXX + * + * @description: + * A list of values to select a specific hinting algorithm for the + * hinter. You should OR one of these values to your `load_flags' + * when calling @FT_Load_Glyph. + * + * Note that a font's native hinters may ignore the hinting algorithm + * you have specified (e.g., the TrueType bytecode interpreter). You + * can set @FT_LOAD_FORCE_AUTOHINT to ensure that the auto-hinter is + * used. + * + * @values: + * FT_LOAD_TARGET_NORMAL :: + * The default hinting algorithm, optimized for standard gray-level + * rendering. For monochrome output, use @FT_LOAD_TARGET_MONO + * instead. + * + * FT_LOAD_TARGET_LIGHT :: + * A lighter hinting algorithm for gray-level modes. Many generated + * glyphs are fuzzier but better resemble their original shape. This + * is achieved by snapping glyphs to the pixel grid only vertically + * (Y-axis), as is done by FreeType's new CFF engine or Microsoft's + * ClearType font renderer. This preserves inter-glyph spacing in + * horizontal text. The snapping is done either by the native font + * driver, if the driver itself and the font support it, or by the + * auto-hinter. + * + * Advance widths are rounded to integer values; however, using the + * `lsb_delta' and `rsb_delta' fields of @FT_GlyphSlotRec, it is + * possible to get fractional advance widths for sub-pixel positioning + * (which is recommended to use). + * + * If configuration option AF_CONFIG_OPTION_TT_SIZE_METRICS is active, + * TrueType-like metrics are used to make this mode behave similarly + * as in unpatched FreeType versions between 2.4.6 and 2.7.1 + * (inclusive). + * + * FT_LOAD_TARGET_MONO :: + * Strong hinting algorithm that should only be used for monochrome + * output. The result is probably unpleasant if the glyph is rendered + * in non-monochrome modes. + * + * FT_LOAD_TARGET_LCD :: + * A variant of @FT_LOAD_TARGET_LIGHT optimized for horizontally + * decimated LCD displays. + * + * FT_LOAD_TARGET_LCD_V :: + * A variant of @FT_LOAD_TARGET_NORMAL optimized for vertically + * decimated LCD displays. + * + * @note: + * You should use only _one_ of the FT_LOAD_TARGET_XXX values in your + * `load_flags'. They can't be ORed. + * + * If @FT_LOAD_RENDER is also set, the glyph is rendered in the + * corresponding mode (i.e., the mode that matches the used algorithm + * best). An exception is FT_LOAD_TARGET_MONO since it implies + * @FT_LOAD_MONOCHROME. + * + * You can use a hinting algorithm that doesn't correspond to the same + * rendering mode. As an example, it is possible to use the `light' + * hinting algorithm and have the results rendered in horizontal LCD + * pixel mode, with code like + * + * { + * FT_Load_Glyph( face, glyph_index, + * load_flags | FT_LOAD_TARGET_LIGHT ); + * + * FT_Render_Glyph( face->glyph, FT_RENDER_MODE_LCD ); + * } + * + * In general, you should stick with one rendering mode. For example, + * switching between @FT_LOAD_TARGET_NORMAL and @FT_LOAD_TARGET_MONO + * enforces a lot of recomputation for TrueType fonts, which is slow. + * Another reason is caching: Selecting a different mode usually causes + * changes in both the outlines and the rasterized bitmaps; it is thus + * necessary to empty the cache after a mode switch to avoid false hits. + * + */ +#define FT_LOAD_TARGET_( x ) ( (FT_Int32)( (x) & 15 ) << 16 ) + +#define FT_LOAD_TARGET_NORMAL FT_LOAD_TARGET_( FT_RENDER_MODE_NORMAL ) +#define FT_LOAD_TARGET_LIGHT FT_LOAD_TARGET_( FT_RENDER_MODE_LIGHT ) +#define FT_LOAD_TARGET_MONO FT_LOAD_TARGET_( FT_RENDER_MODE_MONO ) +#define FT_LOAD_TARGET_LCD FT_LOAD_TARGET_( FT_RENDER_MODE_LCD ) +#define FT_LOAD_TARGET_LCD_V FT_LOAD_TARGET_( FT_RENDER_MODE_LCD_V ) + + + /************************************************************************** + * + * @macro: + * FT_LOAD_TARGET_MODE + * + * @description: + * Return the @FT_Render_Mode corresponding to a given + * @FT_LOAD_TARGET_XXX value. + * + */ +#define FT_LOAD_TARGET_MODE( x ) ( (FT_Render_Mode)( ( (x) >> 16 ) & 15 ) ) + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Transform */ + /* */ + /* <Description> */ + /* Set the transformation that is applied to glyph images when they */ + /* are loaded into a glyph slot through @FT_Load_Glyph. */ + /* */ + /* <InOut> */ + /* face :: A handle to the source face object. */ + /* */ + /* <Input> */ + /* matrix :: A pointer to the transformation's 2x2 matrix. Use NULL */ + /* for the identity matrix. */ + /* delta :: A pointer to the translation vector. Use NULL for the */ + /* null vector. */ + /* */ + /* <Note> */ + /* The transformation is only applied to scalable image formats after */ + /* the glyph has been loaded. It means that hinting is unaltered by */ + /* the transformation and is performed on the character size given in */ + /* the last call to @FT_Set_Char_Size or @FT_Set_Pixel_Sizes. */ + /* */ + /* Note that this also transforms the `face.glyph.advance' field, but */ + /* *not* the values in `face.glyph.metrics'. */ + /* */ + FT_EXPORT( void ) + FT_Set_Transform( FT_Face face, + FT_Matrix* matrix, + FT_Vector* delta ); + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_Render_Mode */ + /* */ + /* <Description> */ + /* Render modes supported by FreeType~2. Each mode corresponds to a */ + /* specific type of scanline conversion performed on the outline. */ + /* */ + /* For bitmap fonts and embedded bitmaps the `bitmap->pixel_mode' */ + /* field in the @FT_GlyphSlotRec structure gives the format of the */ + /* returned bitmap. */ + /* */ + /* All modes except @FT_RENDER_MODE_MONO use 256 levels of opacity, */ + /* indicating pixel coverage. Use linear alpha blending and gamma */ + /* correction to correctly render non-monochrome glyph bitmaps onto a */ + /* surface; see @FT_Render_Glyph. */ + /* */ + /* <Values> */ + /* FT_RENDER_MODE_NORMAL :: */ + /* Default render mode; it corresponds to 8-bit anti-aliased */ + /* bitmaps. */ + /* */ + /* FT_RENDER_MODE_LIGHT :: */ + /* This is equivalent to @FT_RENDER_MODE_NORMAL. It is only */ + /* defined as a separate value because render modes are also used */ + /* indirectly to define hinting algorithm selectors. See */ + /* @FT_LOAD_TARGET_XXX for details. */ + /* */ + /* FT_RENDER_MODE_MONO :: */ + /* This mode corresponds to 1-bit bitmaps (with 2~levels of */ + /* opacity). */ + /* */ + /* FT_RENDER_MODE_LCD :: */ + /* This mode corresponds to horizontal RGB and BGR sub-pixel */ + /* displays like LCD screens. It produces 8-bit bitmaps that are */ + /* 3~times the width of the original glyph outline in pixels, and */ + /* which use the @FT_PIXEL_MODE_LCD mode. */ + /* */ + /* FT_RENDER_MODE_LCD_V :: */ + /* This mode corresponds to vertical RGB and BGR sub-pixel displays */ + /* (like PDA screens, rotated LCD displays, etc.). It produces */ + /* 8-bit bitmaps that are 3~times the height of the original */ + /* glyph outline in pixels and use the @FT_PIXEL_MODE_LCD_V mode. */ + /* */ + /* <Note> */ + /* Should you define FT_CONFIG_OPTION_SUBPIXEL_RENDERING in your */ + /* `ftoption.h', which enables patented ClearType-style rendering, */ + /* the LCD-optimized glyph bitmaps should be filtered to reduce color */ + /* fringes inherent to this technology. You can either set up LCD */ + /* filtering with @FT_Library_SetLcdFilter or @FT_Face_Properties, */ + /* or do the filtering yourself. The default FreeType LCD rendering */ + /* technology does not require filtering. */ + /* */ + /* The selected render mode only affects vector glyphs of a font. */ + /* Embedded bitmaps often have a different pixel mode like */ + /* @FT_PIXEL_MODE_MONO. You can use @FT_Bitmap_Convert to transform */ + /* them into 8-bit pixmaps. */ + /* */ + typedef enum FT_Render_Mode_ + { + FT_RENDER_MODE_NORMAL = 0, + FT_RENDER_MODE_LIGHT, + FT_RENDER_MODE_MONO, + FT_RENDER_MODE_LCD, + FT_RENDER_MODE_LCD_V, + + FT_RENDER_MODE_MAX + + } FT_Render_Mode; + + + /* these constants are deprecated; use the corresponding */ + /* `FT_Render_Mode' values instead */ +#define ft_render_mode_normal FT_RENDER_MODE_NORMAL +#define ft_render_mode_mono FT_RENDER_MODE_MONO + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Render_Glyph */ + /* */ + /* <Description> */ + /* Convert a given glyph image to a bitmap. It does so by inspecting */ + /* the glyph image format, finding the relevant renderer, and */ + /* invoking it. */ + /* */ + /* <InOut> */ + /* slot :: A handle to the glyph slot containing the image to */ + /* convert. */ + /* */ + /* <Input> */ + /* render_mode :: The render mode used to render the glyph image into */ + /* a bitmap. See @FT_Render_Mode for a list of */ + /* possible values. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* To get meaningful results, font scaling values must be set with */ + /* functions like @FT_Set_Char_Size before calling `FT_Render_Glyph'. */ + /* */ + /* When FreeType outputs a bitmap of a glyph, it really outputs an */ + /* alpha coverage map. If a pixel is completely covered by a */ + /* filled-in outline, the bitmap contains 0xFF at that pixel, meaning */ + /* that 0xFF/0xFF fraction of that pixel is covered, meaning the */ + /* pixel is 100% black (or 0% bright). If a pixel is only 50% */ + /* covered (value 0x80), the pixel is made 50% black (50% bright or a */ + /* middle shade of grey). 0% covered means 0% black (100% bright or */ + /* white). */ + /* */ + /* On high-DPI screens like on smartphones and tablets, the pixels */ + /* are so small that their chance of being completely covered and */ + /* therefore completely black are fairly good. On the low-DPI */ + /* screens, however, the situation is different. The pixels are too */ + /* large for most of the details of a glyph and shades of gray are */ + /* the norm rather than the exception. */ + /* */ + /* This is relevant because all our screens have a second problem: */ + /* they are not linear. 1~+~1 is not~2. Twice the value does not */ + /* result in twice the brightness. When a pixel is only 50% covered, */ + /* the coverage map says 50% black, and this translates to a pixel */ + /* value of 128 when you use 8~bits per channel (0-255). However, */ + /* this does not translate to 50% brightness for that pixel on our */ + /* sRGB and gamma~2.2 screens. Due to their non-linearity, they */ + /* dwell longer in the darks and only a pixel value of about 186 */ + /* results in 50% brightness -- 128 ends up too dark on both bright */ + /* and dark backgrounds. The net result is that dark text looks */ + /* burnt-out, pixely and blotchy on bright background, bright text */ + /* too frail on dark backgrounds, and colored text on colored */ + /* background (for example, red on green) seems to have dark halos or */ + /* `dirt' around it. The situation is especially ugly for diagonal */ + /* stems like in `w' glyph shapes where the quality of FreeType's */ + /* anti-aliasing depends on the correct display of grays. On */ + /* high-DPI screens where smaller, fully black pixels reign supreme, */ + /* this doesn't matter, but on our low-DPI screens with all the gray */ + /* shades, it does. 0% and 100% brightness are the same things in */ + /* linear and non-linear space, just all the shades in-between */ + /* aren't. */ + /* */ + /* The blending function for placing text over a background is */ + /* */ + /* { */ + /* dst = alpha * src + (1 - alpha) * dst , */ + /* } */ + /* */ + /* which is known as the OVER operator. */ + /* */ + /* To correctly composite an antialiased pixel of a glyph onto a */ + /* surface, */ + /* */ + /* 1. take the foreground and background colors (e.g., in sRGB space) */ + /* and apply gamma to get them in a linear space, */ + /* */ + /* 2. use OVER to blend the two linear colors using the glyph pixel */ + /* as the alpha value (remember, the glyph bitmap is an alpha */ + /* coverage bitmap), and */ + /* */ + /* 3. apply inverse gamma to the blended pixel and write it back to */ + /* the image. */ + /* */ + /* Internal testing at Adobe found that a target inverse gamma of~1.8 */ + /* for step~3 gives good results across a wide range of displays with */ + /* an sRGB gamma curve or a similar one. */ + /* */ + /* This process can cost performance. There is an approximation that */ + /* does not need to know about the background color; see */ + /* https://bel.fi/alankila/lcd/ and */ + /* https://bel.fi/alankila/lcd/alpcor.html for details. */ + /* */ + /* *ATTENTION*: Linear blending is even more important when dealing */ + /* with subpixel-rendered glyphs to prevent color-fringing! A */ + /* subpixel-rendered glyph must first be filtered with a filter that */ + /* gives equal weight to the three color primaries and does not */ + /* exceed a sum of 0x100, see section @lcd_filtering. Then the */ + /* only difference to gray linear blending is that subpixel-rendered */ + /* linear blending is done 3~times per pixel: red foreground subpixel */ + /* to red background subpixel and so on for green and blue. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Render_Glyph( FT_GlyphSlot slot, + FT_Render_Mode render_mode ); + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_Kerning_Mode */ + /* */ + /* <Description> */ + /* An enumeration to specify the format of kerning values returned by */ + /* @FT_Get_Kerning. */ + /* */ + /* <Values> */ + /* FT_KERNING_DEFAULT :: Return grid-fitted kerning distances in */ + /* 26.6 fractional pixels. */ + /* */ + /* FT_KERNING_UNFITTED :: Return un-grid-fitted kerning distances in */ + /* 26.6 fractional pixels. */ + /* */ + /* FT_KERNING_UNSCALED :: Return the kerning vector in original font */ + /* units. */ + /* */ + /* <Note> */ + /* FT_KERNING_DEFAULT returns full pixel values; it also makes */ + /* FreeType heuristically scale down kerning distances at small ppem */ + /* values so that they don't become too big. */ + /* */ + /* Both FT_KERNING_DEFAULT and FT_KERNING_UNFITTED use the current */ + /* horizontal scaling factor (as set e.g. with @FT_Set_Char_Size) to */ + /* convert font units to pixels. */ + /* */ + typedef enum FT_Kerning_Mode_ + { + FT_KERNING_DEFAULT = 0, + FT_KERNING_UNFITTED, + FT_KERNING_UNSCALED + + } FT_Kerning_Mode; + + + /* these constants are deprecated; use the corresponding */ + /* `FT_Kerning_Mode' values instead */ +#define ft_kerning_default FT_KERNING_DEFAULT +#define ft_kerning_unfitted FT_KERNING_UNFITTED +#define ft_kerning_unscaled FT_KERNING_UNSCALED + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Kerning */ + /* */ + /* <Description> */ + /* Return the kerning vector between two glyphs of the same face. */ + /* */ + /* <Input> */ + /* face :: A handle to a source face object. */ + /* */ + /* left_glyph :: The index of the left glyph in the kern pair. */ + /* */ + /* right_glyph :: The index of the right glyph in the kern pair. */ + /* */ + /* kern_mode :: See @FT_Kerning_Mode for more information. */ + /* Determines the scale and dimension of the returned */ + /* kerning vector. */ + /* */ + /* <Output> */ + /* akerning :: The kerning vector. This is either in font units, */ + /* fractional pixels (26.6 format), or pixels for */ + /* scalable formats, and in pixels for fixed-sizes */ + /* formats. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* Only horizontal layouts (left-to-right & right-to-left) are */ + /* supported by this method. Other layouts, or more sophisticated */ + /* kernings, are out of the scope of this API function -- they can be */ + /* implemented through format-specific interfaces. */ + /* */ + /* Kerning for OpenType fonts implemented in a `GPOS' table is not */ + /* supported; use @FT_HAS_KERNING to find out whether a font has data */ + /* that can be extracted with `FT_Get_Kerning'. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Kerning( FT_Face face, + FT_UInt left_glyph, + FT_UInt right_glyph, + FT_UInt kern_mode, + FT_Vector *akerning ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Track_Kerning */ + /* */ + /* <Description> */ + /* Return the track kerning for a given face object at a given size. */ + /* */ + /* <Input> */ + /* face :: A handle to a source face object. */ + /* */ + /* point_size :: The point size in 16.16 fractional points. */ + /* */ + /* degree :: The degree of tightness. Increasingly negative */ + /* values represent tighter track kerning, while */ + /* increasingly positive values represent looser track */ + /* kerning. Value zero means no track kerning. */ + /* */ + /* <Output> */ + /* akerning :: The kerning in 16.16 fractional points, to be */ + /* uniformly applied between all glyphs. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* Currently, only the Type~1 font driver supports track kerning, */ + /* using data from AFM files (if attached with @FT_Attach_File or */ + /* @FT_Attach_Stream). */ + /* */ + /* Only very few AFM files come with track kerning data; please refer */ + /* to Adobe's AFM specification for more details. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Track_Kerning( FT_Face face, + FT_Fixed point_size, + FT_Int degree, + FT_Fixed* akerning ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Glyph_Name */ + /* */ + /* <Description> */ + /* Retrieve the ASCII name of a given glyph in a face. This only */ + /* works for those faces where @FT_HAS_GLYPH_NAMES(face) returns~1. */ + /* */ + /* <Input> */ + /* face :: A handle to a source face object. */ + /* */ + /* glyph_index :: The glyph index. */ + /* */ + /* buffer_max :: The maximum number of bytes available in the */ + /* buffer. */ + /* */ + /* <Output> */ + /* buffer :: A pointer to a target buffer where the name is */ + /* copied to. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* An error is returned if the face doesn't provide glyph names or if */ + /* the glyph index is invalid. In all cases of failure, the first */ + /* byte of `buffer' is set to~0 to indicate an empty name. */ + /* */ + /* The glyph name is truncated to fit within the buffer if it is too */ + /* long. The returned string is always zero-terminated. */ + /* */ + /* Be aware that FreeType reorders glyph indices internally so that */ + /* glyph index~0 always corresponds to the `missing glyph' (called */ + /* `.notdef'). */ + /* */ + /* This function always returns an error if the config macro */ + /* `FT_CONFIG_OPTION_NO_GLYPH_NAMES' is not defined in `ftoption.h'. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Glyph_Name( FT_Face face, + FT_UInt glyph_index, + FT_Pointer buffer, + FT_UInt buffer_max ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Postscript_Name */ + /* */ + /* <Description> */ + /* Retrieve the ASCII PostScript name of a given face, if available. */ + /* This only works with PostScript, TrueType, and OpenType fonts. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* <Return> */ + /* A pointer to the face's PostScript name. NULL if unavailable. */ + /* */ + /* <Note> */ + /* The returned pointer is owned by the face and is destroyed with */ + /* it. */ + /* */ + /* For variation fonts, this string changes if you select a different */ + /* instance, and you have to call `FT_Get_PostScript_Name' again to */ + /* retrieve it. FreeType follows Adobe TechNote #5902, `Generating */ + /* PostScript Names for Fonts Using OpenType Font Variations'. */ + /* */ + /* https://download.macromedia.com/pub/developer/opentype/tech-notes/5902.AdobePSNameGeneration.html */ + /* */ + /* [Since 2.9] Special PostScript names for named instances are only */ + /* returned if the named instance is set with @FT_Set_Named_Instance */ + /* (and the font has corresponding entries in its `fvar' table). If */ + /* @FT_IS_VARIATION returns true, the algorithmically derived */ + /* PostScript name is provided, not looking up special entries for */ + /* named instances. */ + /* */ + FT_EXPORT( const char* ) + FT_Get_Postscript_Name( FT_Face face ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Select_Charmap */ + /* */ + /* <Description> */ + /* Select a given charmap by its encoding tag (as listed in */ + /* `freetype.h'). */ + /* */ + /* <InOut> */ + /* face :: A handle to the source face object. */ + /* */ + /* <Input> */ + /* encoding :: A handle to the selected encoding. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* This function returns an error if no charmap in the face */ + /* corresponds to the encoding queried here. */ + /* */ + /* Because many fonts contain more than a single cmap for Unicode */ + /* encoding, this function has some special code to select the one */ + /* that covers Unicode best (`best' in the sense that a UCS-4 cmap is */ + /* preferred to a UCS-2 cmap). It is thus preferable to */ + /* @FT_Set_Charmap in this case. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Select_Charmap( FT_Face face, + FT_Encoding encoding ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Charmap */ + /* */ + /* <Description> */ + /* Select a given charmap for character code to glyph index mapping. */ + /* */ + /* <InOut> */ + /* face :: A handle to the source face object. */ + /* */ + /* <Input> */ + /* charmap :: A handle to the selected charmap. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* This function returns an error if the charmap is not part of */ + /* the face (i.e., if it is not listed in the `face->charmaps' */ + /* table). */ + /* */ + /* It also fails if an OpenType type~14 charmap is selected (which */ + /* doesn't map character codes to glyph indices at all). */ + /* */ + FT_EXPORT( FT_Error ) + FT_Set_Charmap( FT_Face face, + FT_CharMap charmap ); + + + /************************************************************************* + * + * @function: + * FT_Get_Charmap_Index + * + * @description: + * Retrieve index of a given charmap. + * + * @input: + * charmap :: + * A handle to a charmap. + * + * @return: + * The index into the array of character maps within the face to which + * `charmap' belongs. If an error occurs, -1 is returned. + * + */ + FT_EXPORT( FT_Int ) + FT_Get_Charmap_Index( FT_CharMap charmap ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Char_Index */ + /* */ + /* <Description> */ + /* Return the glyph index of a given character code. This function */ + /* uses the currently selected charmap to do the mapping. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* charcode :: The character code. */ + /* */ + /* <Return> */ + /* The glyph index. 0~means `undefined character code'. */ + /* */ + /* <Note> */ + /* If you use FreeType to manipulate the contents of font files */ + /* directly, be aware that the glyph index returned by this function */ + /* doesn't always correspond to the internal indices used within the */ + /* file. This is done to ensure that value~0 always corresponds to */ + /* the `missing glyph'. If the first glyph is not named `.notdef', */ + /* then for Type~1 and Type~42 fonts, `.notdef' will be moved into */ + /* the glyph ID~0 position, and whatever was there will be moved to */ + /* the position `.notdef' had. For Type~1 fonts, if there is no */ + /* `.notdef' glyph at all, then one will be created at index~0 and */ + /* whatever was there will be moved to the last index -- Type~42 */ + /* fonts are considered invalid under this condition. */ + /* */ + FT_EXPORT( FT_UInt ) + FT_Get_Char_Index( FT_Face face, + FT_ULong charcode ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_First_Char */ + /* */ + /* <Description> */ + /* Return the first character code in the current charmap of a given */ + /* face, together with its corresponding glyph index. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* <Output> */ + /* agindex :: Glyph index of first character code. 0~if charmap is */ + /* empty. */ + /* */ + /* <Return> */ + /* The charmap's first character code. */ + /* */ + /* <Note> */ + /* You should use this function together with @FT_Get_Next_Char to */ + /* parse all character codes available in a given charmap. The code */ + /* should look like this: */ + /* */ + /* { */ + /* FT_ULong charcode; */ + /* FT_UInt gindex; */ + /* */ + /* */ + /* charcode = FT_Get_First_Char( face, &gindex ); */ + /* while ( gindex != 0 ) */ + /* { */ + /* ... do something with (charcode,gindex) pair ... */ + /* */ + /* charcode = FT_Get_Next_Char( face, charcode, &gindex ); */ + /* } */ + /* } */ + /* */ + /* Be aware that character codes can have values up to 0xFFFFFFFF; */ + /* this might happen for non-Unicode or malformed cmaps. However, */ + /* even with regular Unicode encoding, so-called `last resort fonts' */ + /* (using SFNT cmap format 13, see function @FT_Get_CMap_Format) */ + /* normally have entries for all Unicode characters up to 0x1FFFFF, */ + /* which can cause *a lot* of iterations. */ + /* */ + /* Note that `*agindex' is set to~0 if the charmap is empty. The */ + /* result itself can be~0 in two cases: if the charmap is empty or */ + /* if the value~0 is the first valid character code. */ + /* */ + FT_EXPORT( FT_ULong ) + FT_Get_First_Char( FT_Face face, + FT_UInt *agindex ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Next_Char */ + /* */ + /* <Description> */ + /* Return the next character code in the current charmap of a given */ + /* face following the value `char_code', as well as the corresponding */ + /* glyph index. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* char_code :: The starting character code. */ + /* */ + /* <Output> */ + /* agindex :: Glyph index of next character code. 0~if charmap */ + /* is empty. */ + /* */ + /* <Return> */ + /* The charmap's next character code. */ + /* */ + /* <Note> */ + /* You should use this function with @FT_Get_First_Char to walk */ + /* over all character codes available in a given charmap. See the */ + /* note for that function for a simple code example. */ + /* */ + /* Note that `*agindex' is set to~0 when there are no more codes in */ + /* the charmap. */ + /* */ + FT_EXPORT( FT_ULong ) + FT_Get_Next_Char( FT_Face face, + FT_ULong char_code, + FT_UInt *agindex ); + + + /************************************************************************* + * + * @function: + * FT_Face_Properties + * + * @description: + * Set or override certain (library or module-wide) properties on a + * face-by-face basis. Useful for finer-grained control and avoiding + * locks on shared structures (threads can modify their own faces as + * they see fit). + * + * Contrary to @FT_Property_Set, this function uses @FT_Parameter so + * that you can pass multiple properties to the target face in one call. + * Note that only a subset of the available properties can be + * controlled. + * + * * @FT_PARAM_TAG_STEM_DARKENING (stem darkening, corresponding to the + * property `no-stem-darkening' provided by the `autofit', `cff', + * `type1', and `t1cid' modules; see @no-stem-darkening). + * + * * @FT_PARAM_TAG_LCD_FILTER_WEIGHTS (LCD filter weights, corresponding + * to function @FT_Library_SetLcdFilterWeights). + * + * * @FT_PARAM_TAG_RANDOM_SEED (seed value for the CFF, Type~1, and CID + * `random' operator, corresponding to the `random-seed' property + * provided by the `cff', `type1', and `t1cid' modules; see + * @random-seed). + * + * Pass NULL as `data' in @FT_Parameter for a given tag to reset the + * option and use the library or module default again. + * + * @input: + * face :: + * A handle to the source face object. + * + * num_properties :: + * The number of properties that follow. + * + * properties :: + * A handle to an @FT_Parameter array with `num_properties' elements. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * Here an example that sets three properties. You must define + * FT_CONFIG_OPTION_SUBPIXEL_RENDERING to make the LCD filter examples + * work. + * + * { + * FT_Parameter property1; + * FT_Bool darken_stems = 1; + * + * FT_Parameter property2; + * FT_LcdFiveTapFilter custom_weight = + * { 0x11, 0x44, 0x56, 0x44, 0x11 }; + * + * FT_Parameter property3; + * FT_Int32 random_seed = 314159265; + * + * FT_Parameter properties[3] = { property1, + * property2, + * property3 }; + * + * + * property1.tag = FT_PARAM_TAG_STEM_DARKENING; + * property1.data = &darken_stems; + * + * property2.tag = FT_PARAM_TAG_LCD_FILTER_WEIGHTS; + * property2.data = custom_weight; + * + * property3.tag = FT_PARAM_TAG_RANDOM_SEED; + * property3.data = &random_seed; + * + * FT_Face_Properties( face, 3, properties ); + * } + * + * The next example resets a single property to its default value. + * + * { + * FT_Parameter property; + * + * + * property.tag = FT_PARAM_TAG_LCD_FILTER_WEIGHTS; + * property.data = NULL; + * + * FT_Face_Properties( face, 1, &property ); + * } + * + * @since: + * 2.8 + * + */ + FT_EXPORT( FT_Error ) + FT_Face_Properties( FT_Face face, + FT_UInt num_properties, + FT_Parameter* properties ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Name_Index */ + /* */ + /* <Description> */ + /* Return the glyph index of a given glyph name. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* glyph_name :: The glyph name. */ + /* */ + /* <Return> */ + /* The glyph index. 0~means `undefined character code'. */ + /* */ + FT_EXPORT( FT_UInt ) + FT_Get_Name_Index( FT_Face face, + FT_String* glyph_name ); + + + /************************************************************************* + * + * @macro: + * FT_SUBGLYPH_FLAG_XXX + * + * @description: + * A list of constants describing subglyphs. Please refer to the + * `glyf' table description in the OpenType specification for the + * meaning of the various flags (which get synthesized for + * non-OpenType subglyphs). + * + * @values: + * FT_SUBGLYPH_FLAG_ARGS_ARE_WORDS :: + * FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES :: + * FT_SUBGLYPH_FLAG_ROUND_XY_TO_GRID :: + * FT_SUBGLYPH_FLAG_SCALE :: + * FT_SUBGLYPH_FLAG_XY_SCALE :: + * FT_SUBGLYPH_FLAG_2X2 :: + * FT_SUBGLYPH_FLAG_USE_MY_METRICS :: + * + */ +#define FT_SUBGLYPH_FLAG_ARGS_ARE_WORDS 1 +#define FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES 2 +#define FT_SUBGLYPH_FLAG_ROUND_XY_TO_GRID 4 +#define FT_SUBGLYPH_FLAG_SCALE 8 +#define FT_SUBGLYPH_FLAG_XY_SCALE 0x40 +#define FT_SUBGLYPH_FLAG_2X2 0x80 +#define FT_SUBGLYPH_FLAG_USE_MY_METRICS 0x200 + + + /************************************************************************* + * + * @func: + * FT_Get_SubGlyph_Info + * + * @description: + * Retrieve a description of a given subglyph. Only use it if + * `glyph->format' is @FT_GLYPH_FORMAT_COMPOSITE; an error is + * returned otherwise. + * + * @input: + * glyph :: + * The source glyph slot. + * + * sub_index :: + * The index of the subglyph. Must be less than + * `glyph->num_subglyphs'. + * + * @output: + * p_index :: + * The glyph index of the subglyph. + * + * p_flags :: + * The subglyph flags, see @FT_SUBGLYPH_FLAG_XXX. + * + * p_arg1 :: + * The subglyph's first argument (if any). + * + * p_arg2 :: + * The subglyph's second argument (if any). + * + * p_transform :: + * The subglyph transformation (if any). + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * The values of `*p_arg1', `*p_arg2', and `*p_transform' must be + * interpreted depending on the flags returned in `*p_flags'. See the + * OpenType specification for details. + * + */ + FT_EXPORT( FT_Error ) + FT_Get_SubGlyph_Info( FT_GlyphSlot glyph, + FT_UInt sub_index, + FT_Int *p_index, + FT_UInt *p_flags, + FT_Int *p_arg1, + FT_Int *p_arg2, + FT_Matrix *p_transform ); + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_FSTYPE_XXX */ + /* */ + /* <Description> */ + /* A list of bit flags used in the `fsType' field of the OS/2 table */ + /* in a TrueType or OpenType font and the `FSType' entry in a */ + /* PostScript font. These bit flags are returned by */ + /* @FT_Get_FSType_Flags; they inform client applications of embedding */ + /* and subsetting restrictions associated with a font. */ + /* */ + /* See */ + /* https://www.adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/FontPolicies.pdf */ + /* for more details. */ + /* */ + /* <Values> */ + /* FT_FSTYPE_INSTALLABLE_EMBEDDING :: */ + /* Fonts with no fsType bit set may be embedded and permanently */ + /* installed on the remote system by an application. */ + /* */ + /* FT_FSTYPE_RESTRICTED_LICENSE_EMBEDDING :: */ + /* Fonts that have only this bit set must not be modified, embedded */ + /* or exchanged in any manner without first obtaining permission of */ + /* the font software copyright owner. */ + /* */ + /* FT_FSTYPE_PREVIEW_AND_PRINT_EMBEDDING :: */ + /* The font may be embedded and temporarily loaded on the remote */ + /* system. Documents containing Preview & Print fonts must be */ + /* opened `read-only'; no edits can be applied to the document. */ + /* */ + /* FT_FSTYPE_EDITABLE_EMBEDDING :: */ + /* The font may be embedded but must only be installed temporarily */ + /* on other systems. In contrast to Preview & Print fonts, */ + /* documents containing editable fonts may be opened for reading, */ + /* editing is permitted, and changes may be saved. */ + /* */ + /* FT_FSTYPE_NO_SUBSETTING :: */ + /* The font may not be subsetted prior to embedding. */ + /* */ + /* FT_FSTYPE_BITMAP_EMBEDDING_ONLY :: */ + /* Only bitmaps contained in the font may be embedded; no outline */ + /* data may be embedded. If there are no bitmaps available in the */ + /* font, then the font is unembeddable. */ + /* */ + /* <Note> */ + /* The flags are ORed together, thus more than a single value can be */ + /* returned. */ + /* */ + /* While the `fsType' flags can indicate that a font may be embedded, */ + /* a license with the font vendor may be separately required to use */ + /* the font in this way. */ + /* */ +#define FT_FSTYPE_INSTALLABLE_EMBEDDING 0x0000 +#define FT_FSTYPE_RESTRICTED_LICENSE_EMBEDDING 0x0002 +#define FT_FSTYPE_PREVIEW_AND_PRINT_EMBEDDING 0x0004 +#define FT_FSTYPE_EDITABLE_EMBEDDING 0x0008 +#define FT_FSTYPE_NO_SUBSETTING 0x0100 +#define FT_FSTYPE_BITMAP_EMBEDDING_ONLY 0x0200 + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_FSType_Flags */ + /* */ + /* <Description> */ + /* Return the `fsType' flags for a font. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* <Return> */ + /* The `fsType' flags, see @FT_FSTYPE_XXX. */ + /* */ + /* <Note> */ + /* Use this function rather than directly reading the `fs_type' field */ + /* in the @PS_FontInfoRec structure, which is only guaranteed to */ + /* return the correct results for Type~1 fonts. */ + /* */ + /* <Since> */ + /* 2.3.8 */ + /* */ + FT_EXPORT( FT_UShort ) + FT_Get_FSType_Flags( FT_Face face ); + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* glyph_variants */ + /* */ + /* <Title> */ + /* Unicode Variation Sequences */ + /* */ + /* <Abstract> */ + /* The FreeType~2 interface to Unicode Variation Sequences (UVS), */ + /* using the SFNT cmap format~14. */ + /* */ + /* <Description> */ + /* Many characters, especially for CJK scripts, have variant forms. */ + /* They are a sort of grey area somewhere between being totally */ + /* irrelevant and semantically distinct; for this reason, the Unicode */ + /* consortium decided to introduce Variation Sequences (VS), */ + /* consisting of a Unicode base character and a variation selector */ + /* instead of further extending the already huge number of */ + /* characters. */ + /* */ + /* Unicode maintains two different sets, namely `Standardized */ + /* Variation Sequences' and registered `Ideographic Variation */ + /* Sequences' (IVS), collected in the `Ideographic Variation */ + /* Database' (IVD). */ + /* */ + /* https://unicode.org/Public/UCD/latest/ucd/StandardizedVariants.txt */ + /* https://unicode.org/reports/tr37/ */ + /* https://unicode.org/ivd/ */ + /* */ + /* To date (January 2017), the character with the most ideographic */ + /* variations is U+9089, having 32 such IVS. */ + /* */ + /* Three Mongolian Variation Selectors have the values U+180B-U+180D; */ + /* 256 generic Variation Selectors are encoded in the ranges */ + /* U+FE00-U+FE0F and U+E0100-U+E01EF. IVS currently use Variation */ + /* Selectors from the range U+E0100-U+E01EF only. */ + /* */ + /* A VS consists of the base character value followed by a single */ + /* Variation Selector. For example, to get the first variation of */ + /* U+9089, you have to write the character sequence `U+9089 U+E0100'. */ + /* */ + /* Adobe and MS decided to support both standardized and ideographic */ + /* VS with a new cmap subtable (format~14). It is an odd subtable */ + /* because it is not a mapping of input code points to glyphs, but */ + /* contains lists of all variations supported by the font. */ + /* */ + /* A variation may be either `default' or `non-default' for a given */ + /* font. A default variation is the one you will get for that code */ + /* point if you look it up in the standard Unicode cmap. A */ + /* non-default variation is a different glyph. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Face_GetCharVariantIndex */ + /* */ + /* <Description> */ + /* Return the glyph index of a given character code as modified by */ + /* the variation selector. */ + /* */ + /* <Input> */ + /* face :: */ + /* A handle to the source face object. */ + /* */ + /* charcode :: */ + /* The character code point in Unicode. */ + /* */ + /* variantSelector :: */ + /* The Unicode code point of the variation selector. */ + /* */ + /* <Return> */ + /* The glyph index. 0~means either `undefined character code', or */ + /* `undefined selector code', or `no variation selector cmap */ + /* subtable', or `current CharMap is not Unicode'. */ + /* */ + /* <Note> */ + /* If you use FreeType to manipulate the contents of font files */ + /* directly, be aware that the glyph index returned by this function */ + /* doesn't always correspond to the internal indices used within */ + /* the file. This is done to ensure that value~0 always corresponds */ + /* to the `missing glyph'. */ + /* */ + /* This function is only meaningful if */ + /* a) the font has a variation selector cmap sub table, */ + /* and */ + /* b) the current charmap has a Unicode encoding. */ + /* */ + /* <Since> */ + /* 2.3.6 */ + /* */ + FT_EXPORT( FT_UInt ) + FT_Face_GetCharVariantIndex( FT_Face face, + FT_ULong charcode, + FT_ULong variantSelector ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Face_GetCharVariantIsDefault */ + /* */ + /* <Description> */ + /* Check whether this variation of this Unicode character is the one */ + /* to be found in the `cmap'. */ + /* */ + /* <Input> */ + /* face :: */ + /* A handle to the source face object. */ + /* */ + /* charcode :: */ + /* The character codepoint in Unicode. */ + /* */ + /* variantSelector :: */ + /* The Unicode codepoint of the variation selector. */ + /* */ + /* <Return> */ + /* 1~if found in the standard (Unicode) cmap, 0~if found in the */ + /* variation selector cmap, or -1 if it is not a variation. */ + /* */ + /* <Note> */ + /* This function is only meaningful if the font has a variation */ + /* selector cmap subtable. */ + /* */ + /* <Since> */ + /* 2.3.6 */ + /* */ + FT_EXPORT( FT_Int ) + FT_Face_GetCharVariantIsDefault( FT_Face face, + FT_ULong charcode, + FT_ULong variantSelector ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Face_GetVariantSelectors */ + /* */ + /* <Description> */ + /* Return a zero-terminated list of Unicode variation selectors found */ + /* in the font. */ + /* */ + /* <Input> */ + /* face :: */ + /* A handle to the source face object. */ + /* */ + /* <Return> */ + /* A pointer to an array of selector code points, or NULL if there is */ + /* no valid variation selector cmap subtable. */ + /* */ + /* <Note> */ + /* The last item in the array is~0; the array is owned by the */ + /* @FT_Face object but can be overwritten or released on the next */ + /* call to a FreeType function. */ + /* */ + /* <Since> */ + /* 2.3.6 */ + /* */ + FT_EXPORT( FT_UInt32* ) + FT_Face_GetVariantSelectors( FT_Face face ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Face_GetVariantsOfChar */ + /* */ + /* <Description> */ + /* Return a zero-terminated list of Unicode variation selectors found */ + /* for the specified character code. */ + /* */ + /* <Input> */ + /* face :: */ + /* A handle to the source face object. */ + /* */ + /* charcode :: */ + /* The character codepoint in Unicode. */ + /* */ + /* <Return> */ + /* A pointer to an array of variation selector code points that are */ + /* active for the given character, or NULL if the corresponding list */ + /* is empty. */ + /* */ + /* <Note> */ + /* The last item in the array is~0; the array is owned by the */ + /* @FT_Face object but can be overwritten or released on the next */ + /* call to a FreeType function. */ + /* */ + /* <Since> */ + /* 2.3.6 */ + /* */ + FT_EXPORT( FT_UInt32* ) + FT_Face_GetVariantsOfChar( FT_Face face, + FT_ULong charcode ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Face_GetCharsOfVariant */ + /* */ + /* <Description> */ + /* Return a zero-terminated list of Unicode character codes found for */ + /* the specified variation selector. */ + /* */ + /* <Input> */ + /* face :: */ + /* A handle to the source face object. */ + /* */ + /* variantSelector :: */ + /* The variation selector code point in Unicode. */ + /* */ + /* <Return> */ + /* A list of all the code points that are specified by this selector */ + /* (both default and non-default codes are returned) or NULL if there */ + /* is no valid cmap or the variation selector is invalid. */ + /* */ + /* <Note> */ + /* The last item in the array is~0; the array is owned by the */ + /* @FT_Face object but can be overwritten or released on the next */ + /* call to a FreeType function. */ + /* */ + /* <Since> */ + /* 2.3.6 */ + /* */ + FT_EXPORT( FT_UInt32* ) + FT_Face_GetCharsOfVariant( FT_Face face, + FT_ULong variantSelector ); + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* computations */ + /* */ + /* <Title> */ + /* Computations */ + /* */ + /* <Abstract> */ + /* Crunching fixed numbers and vectors. */ + /* */ + /* <Description> */ + /* This section contains various functions used to perform */ + /* computations on 16.16 fixed-float numbers or 2d vectors. */ + /* */ + /* <Order> */ + /* FT_MulDiv */ + /* FT_MulFix */ + /* FT_DivFix */ + /* FT_RoundFix */ + /* FT_CeilFix */ + /* FT_FloorFix */ + /* FT_Vector_Transform */ + /* FT_Matrix_Multiply */ + /* FT_Matrix_Invert */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_MulDiv */ + /* */ + /* <Description> */ + /* Compute `(a*b)/c' with maximum accuracy, using a 64-bit */ + /* intermediate integer whenever necessary. */ + /* */ + /* This function isn't necessarily as fast as some processor specific */ + /* operations, but is at least completely portable. */ + /* */ + /* <Input> */ + /* a :: The first multiplier. */ + /* */ + /* b :: The second multiplier. */ + /* */ + /* c :: The divisor. */ + /* */ + /* <Return> */ + /* The result of `(a*b)/c'. This function never traps when trying to */ + /* divide by zero; it simply returns `MaxInt' or `MinInt' depending */ + /* on the signs of `a' and `b'. */ + /* */ + FT_EXPORT( FT_Long ) + FT_MulDiv( FT_Long a, + FT_Long b, + FT_Long c ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_MulFix */ + /* */ + /* <Description> */ + /* Compute `(a*b)/0x10000' with maximum accuracy. Its main use is to */ + /* multiply a given value by a 16.16 fixed-point factor. */ + /* */ + /* <Input> */ + /* a :: The first multiplier. */ + /* */ + /* b :: The second multiplier. Use a 16.16 factor here whenever */ + /* possible (see note below). */ + /* */ + /* <Return> */ + /* The result of `(a*b)/0x10000'. */ + /* */ + /* <Note> */ + /* This function has been optimized for the case where the absolute */ + /* value of `a' is less than 2048, and `b' is a 16.16 scaling factor. */ + /* As this happens mainly when scaling from notional units to */ + /* fractional pixels in FreeType, it resulted in noticeable speed */ + /* improvements between versions 2.x and 1.x. */ + /* */ + /* As a conclusion, always try to place a 16.16 factor as the */ + /* _second_ argument of this function; this can make a great */ + /* difference. */ + /* */ + FT_EXPORT( FT_Long ) + FT_MulFix( FT_Long a, + FT_Long b ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_DivFix */ + /* */ + /* <Description> */ + /* Compute `(a*0x10000)/b' with maximum accuracy. Its main use is to */ + /* divide a given value by a 16.16 fixed-point factor. */ + /* */ + /* <Input> */ + /* a :: The numerator. */ + /* */ + /* b :: The denominator. Use a 16.16 factor here. */ + /* */ + /* <Return> */ + /* The result of `(a*0x10000)/b'. */ + /* */ + FT_EXPORT( FT_Long ) + FT_DivFix( FT_Long a, + FT_Long b ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_RoundFix */ + /* */ + /* <Description> */ + /* Round a 16.16 fixed number. */ + /* */ + /* <Input> */ + /* a :: The number to be rounded. */ + /* */ + /* <Return> */ + /* `a' rounded to the nearest 16.16 fixed integer, halfway cases away */ + /* from zero. */ + /* */ + /* <Note> */ + /* The function uses wrap-around arithmetic. */ + /* */ + FT_EXPORT( FT_Fixed ) + FT_RoundFix( FT_Fixed a ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_CeilFix */ + /* */ + /* <Description> */ + /* Compute the smallest following integer of a 16.16 fixed number. */ + /* */ + /* <Input> */ + /* a :: The number for which the ceiling function is to be computed. */ + /* */ + /* <Return> */ + /* `a' rounded towards plus infinity. */ + /* */ + /* <Note> */ + /* The function uses wrap-around arithmetic. */ + /* */ + FT_EXPORT( FT_Fixed ) + FT_CeilFix( FT_Fixed a ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_FloorFix */ + /* */ + /* <Description> */ + /* Compute the largest previous integer of a 16.16 fixed number. */ + /* */ + /* <Input> */ + /* a :: The number for which the floor function is to be computed. */ + /* */ + /* <Return> */ + /* `a' rounded towards minus infinity. */ + /* */ + FT_EXPORT( FT_Fixed ) + FT_FloorFix( FT_Fixed a ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Vector_Transform */ + /* */ + /* <Description> */ + /* Transform a single vector through a 2x2 matrix. */ + /* */ + /* <InOut> */ + /* vector :: The target vector to transform. */ + /* */ + /* <Input> */ + /* matrix :: A pointer to the source 2x2 matrix. */ + /* */ + /* <Note> */ + /* The result is undefined if either `vector' or `matrix' is invalid. */ + /* */ + FT_EXPORT( void ) + FT_Vector_Transform( FT_Vector* vec, + const FT_Matrix* matrix ); + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* version */ + /* */ + /* <Title> */ + /* FreeType Version */ + /* */ + /* <Abstract> */ + /* Functions and macros related to FreeType versions. */ + /* */ + /* <Description> */ + /* Note that those functions and macros are of limited use because */ + /* even a new release of FreeType with only documentation changes */ + /* increases the version number. */ + /* */ + /* <Order> */ + /* FT_Library_Version */ + /* */ + /* FREETYPE_MAJOR */ + /* FREETYPE_MINOR */ + /* FREETYPE_PATCH */ + /* */ + /* FT_Face_CheckTrueTypePatents */ + /* FT_Face_SetUnpatentedHinting */ + /* */ + /* FREETYPE_XXX */ + /* */ + /*************************************************************************/ + + + /************************************************************************* + * + * @enum: + * FREETYPE_XXX + * + * @description: + * These three macros identify the FreeType source code version. + * Use @FT_Library_Version to access them at runtime. + * + * @values: + * FREETYPE_MAJOR :: The major version number. + * FREETYPE_MINOR :: The minor version number. + * FREETYPE_PATCH :: The patch level. + * + * @note: + * The version number of FreeType if built as a dynamic link library + * with the `libtool' package is _not_ controlled by these three + * macros. + * + */ +#define FREETYPE_MAJOR 2 +#define FREETYPE_MINOR 9 +#define FREETYPE_PATCH 0 + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Library_Version */ + /* */ + /* <Description> */ + /* Return the version of the FreeType library being used. This is */ + /* useful when dynamically linking to the library, since one cannot */ + /* use the macros @FREETYPE_MAJOR, @FREETYPE_MINOR, and */ + /* @FREETYPE_PATCH. */ + /* */ + /* <Input> */ + /* library :: A source library handle. */ + /* */ + /* <Output> */ + /* amajor :: The major version number. */ + /* */ + /* aminor :: The minor version number. */ + /* */ + /* apatch :: The patch version number. */ + /* */ + /* <Note> */ + /* The reason why this function takes a `library' argument is because */ + /* certain programs implement library initialization in a custom way */ + /* that doesn't use @FT_Init_FreeType. */ + /* */ + /* In such cases, the library version might not be available before */ + /* the library object has been created. */ + /* */ + FT_EXPORT( void ) + FT_Library_Version( FT_Library library, + FT_Int *amajor, + FT_Int *aminor, + FT_Int *apatch ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Face_CheckTrueTypePatents */ + /* */ + /* <Description> */ + /* Deprecated, does nothing. */ + /* */ + /* <Input> */ + /* face :: A face handle. */ + /* */ + /* <Return> */ + /* Always returns false. */ + /* */ + /* <Note> */ + /* Since May 2010, TrueType hinting is no longer patented. */ + /* */ + /* <Since> */ + /* 2.3.5 */ + /* */ + FT_EXPORT( FT_Bool ) + FT_Face_CheckTrueTypePatents( FT_Face face ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Face_SetUnpatentedHinting */ + /* */ + /* <Description> */ + /* Deprecated, does nothing. */ + /* */ + /* <Input> */ + /* face :: A face handle. */ + /* */ + /* value :: New boolean setting. */ + /* */ + /* <Return> */ + /* Always returns false. */ + /* */ + /* <Note> */ + /* Since May 2010, TrueType hinting is no longer patented. */ + /* */ + /* <Since> */ + /* 2.3.5 */ + /* */ + FT_EXPORT( FT_Bool ) + FT_Face_SetUnpatentedHinting( FT_Face face, + FT_Bool value ); + + /* */ + + +FT_END_HEADER + +#endif /* FREETYPE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftadvanc.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftadvanc.h new file mode 100644 index 00000000000..f78e8b1a9d1 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftadvanc.h @@ -0,0 +1,187 @@ +/***************************************************************************/ +/* */ +/* ftadvanc.h */ +/* */ +/* Quick computation of advance widths (specification only). */ +/* */ +/* Copyright 2008-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTADVANC_H_ +#define FTADVANC_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /************************************************************************** + * + * @section: + * quick_advance + * + * @title: + * Quick retrieval of advance values + * + * @abstract: + * Retrieve horizontal and vertical advance values without processing + * glyph outlines, if possible. + * + * @description: + * This section contains functions to quickly extract advance values + * without handling glyph outlines, if possible. + * + * @order: + * FT_Get_Advance + * FT_Get_Advances + * + */ + + + /*************************************************************************/ + /* */ + /* <Const> */ + /* FT_ADVANCE_FLAG_FAST_ONLY */ + /* */ + /* <Description> */ + /* A bit-flag to be OR-ed with the `flags' parameter of the */ + /* @FT_Get_Advance and @FT_Get_Advances functions. */ + /* */ + /* If set, it indicates that you want these functions to fail if the */ + /* corresponding hinting mode or font driver doesn't allow for very */ + /* quick advance computation. */ + /* */ + /* Typically, glyphs that are either unscaled, unhinted, bitmapped, */ + /* or light-hinted can have their advance width computed very */ + /* quickly. */ + /* */ + /* Normal and bytecode hinted modes that require loading, scaling, */ + /* and hinting of the glyph outline, are extremely slow by */ + /* comparison. */ + /* */ +#define FT_ADVANCE_FLAG_FAST_ONLY 0x20000000L + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Advance */ + /* */ + /* <Description> */ + /* Retrieve the advance value of a given glyph outline in an */ + /* @FT_Face. */ + /* */ + /* <Input> */ + /* face :: The source @FT_Face handle. */ + /* */ + /* gindex :: The glyph index. */ + /* */ + /* load_flags :: A set of bit flags similar to those used when */ + /* calling @FT_Load_Glyph, used to determine what kind */ + /* of advances you need. */ + /* <Output> */ + /* padvance :: The advance value. If scaling is performed (based on */ + /* the value of `load_flags'), the advance value is in */ + /* 16.16 format. Otherwise, it is in font units. */ + /* */ + /* If @FT_LOAD_VERTICAL_LAYOUT is set, this is the */ + /* vertical advance corresponding to a vertical layout. */ + /* Otherwise, it is the horizontal advance in a */ + /* horizontal layout. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* This function may fail if you use @FT_ADVANCE_FLAG_FAST_ONLY and */ + /* if the corresponding font backend doesn't have a quick way to */ + /* retrieve the advances. */ + /* */ + /* A scaled advance is returned in 16.16 format but isn't transformed */ + /* by the affine transformation specified by @FT_Set_Transform. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Advance( FT_Face face, + FT_UInt gindex, + FT_Int32 load_flags, + FT_Fixed *padvance ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Advances */ + /* */ + /* <Description> */ + /* Retrieve the advance values of several glyph outlines in an */ + /* @FT_Face. */ + /* */ + /* <Input> */ + /* face :: The source @FT_Face handle. */ + /* */ + /* start :: The first glyph index. */ + /* */ + /* count :: The number of advance values you want to retrieve. */ + /* */ + /* load_flags :: A set of bit flags similar to those used when */ + /* calling @FT_Load_Glyph. */ + /* */ + /* <Output> */ + /* padvance :: The advance values. This array, to be provided by the */ + /* caller, must contain at least `count' elements. */ + /* */ + /* If scaling is performed (based on the value of */ + /* `load_flags'), the advance values are in 16.16 format. */ + /* Otherwise, they are in font units. */ + /* */ + /* If @FT_LOAD_VERTICAL_LAYOUT is set, these are the */ + /* vertical advances corresponding to a vertical layout. */ + /* Otherwise, they are the horizontal advances in a */ + /* horizontal layout. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* This function may fail if you use @FT_ADVANCE_FLAG_FAST_ONLY and */ + /* if the corresponding font backend doesn't have a quick way to */ + /* retrieve the advances. */ + /* */ + /* Scaled advances are returned in 16.16 format but aren't */ + /* transformed by the affine transformation specified by */ + /* @FT_Set_Transform. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Advances( FT_Face face, + FT_UInt start, + FT_UInt count, + FT_Int32 load_flags, + FT_Fixed *padvances ); + + /* */ + + +FT_END_HEADER + +#endif /* FTADVANC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftbbox.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftbbox.h new file mode 100644 index 00000000000..f9eb70b1373 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftbbox.h @@ -0,0 +1,101 @@ +/***************************************************************************/ +/* */ +/* ftbbox.h */ +/* */ +/* FreeType exact bbox computation (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This component has a _single_ role: to compute exact outline bounding */ + /* boxes. */ + /* */ + /* It is separated from the rest of the engine for various technical */ + /* reasons. It may well be integrated in `ftoutln' later. */ + /* */ + /*************************************************************************/ + + +#ifndef FTBBOX_H_ +#define FTBBOX_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* outline_processing */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Get_BBox */ + /* */ + /* <Description> */ + /* Compute the exact bounding box of an outline. This is slower */ + /* than computing the control box. However, it uses an advanced */ + /* algorithm that returns _very_ quickly when the two boxes */ + /* coincide. Otherwise, the outline Bezier arcs are traversed to */ + /* extract their extrema. */ + /* */ + /* <Input> */ + /* outline :: A pointer to the source outline. */ + /* */ + /* <Output> */ + /* abbox :: The outline's exact bounding box. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* If the font is tricky and the glyph has been loaded with */ + /* @FT_LOAD_NO_SCALE, the resulting BBox is meaningless. To get */ + /* reasonable values for the BBox it is necessary to load the glyph */ + /* at a large ppem value (so that the hinting instructions can */ + /* properly shift and scale the subglyphs), then extracting the BBox, */ + /* which can be eventually converted back to font units. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_Get_BBox( FT_Outline* outline, + FT_BBox *abbox ); + + /* */ + + +FT_END_HEADER + +#endif /* FTBBOX_H_ */ + + +/* END */ + + +/* Local Variables: */ +/* coding: utf-8 */ +/* End: */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftbdf.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftbdf.h new file mode 100644 index 00000000000..1b6dea65863 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftbdf.h @@ -0,0 +1,210 @@ +/***************************************************************************/ +/* */ +/* ftbdf.h */ +/* */ +/* FreeType API for accessing BDF-specific strings (specification). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTBDF_H_ +#define FTBDF_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* bdf_fonts */ + /* */ + /* <Title> */ + /* BDF and PCF Files */ + /* */ + /* <Abstract> */ + /* BDF and PCF specific API. */ + /* */ + /* <Description> */ + /* This section contains the declaration of functions specific to BDF */ + /* and PCF fonts. */ + /* */ + /*************************************************************************/ + + + /********************************************************************** + * + * @enum: + * BDF_PropertyType + * + * @description: + * A list of BDF property types. + * + * @values: + * BDF_PROPERTY_TYPE_NONE :: + * Value~0 is used to indicate a missing property. + * + * BDF_PROPERTY_TYPE_ATOM :: + * Property is a string atom. + * + * BDF_PROPERTY_TYPE_INTEGER :: + * Property is a 32-bit signed integer. + * + * BDF_PROPERTY_TYPE_CARDINAL :: + * Property is a 32-bit unsigned integer. + */ + typedef enum BDF_PropertyType_ + { + BDF_PROPERTY_TYPE_NONE = 0, + BDF_PROPERTY_TYPE_ATOM = 1, + BDF_PROPERTY_TYPE_INTEGER = 2, + BDF_PROPERTY_TYPE_CARDINAL = 3 + + } BDF_PropertyType; + + + /********************************************************************** + * + * @type: + * BDF_Property + * + * @description: + * A handle to a @BDF_PropertyRec structure to model a given + * BDF/PCF property. + */ + typedef struct BDF_PropertyRec_* BDF_Property; + + + /********************************************************************** + * + * @struct: + * BDF_PropertyRec + * + * @description: + * This structure models a given BDF/PCF property. + * + * @fields: + * type :: + * The property type. + * + * u.atom :: + * The atom string, if type is @BDF_PROPERTY_TYPE_ATOM. May be + * NULL, indicating an empty string. + * + * u.integer :: + * A signed integer, if type is @BDF_PROPERTY_TYPE_INTEGER. + * + * u.cardinal :: + * An unsigned integer, if type is @BDF_PROPERTY_TYPE_CARDINAL. + */ + typedef struct BDF_PropertyRec_ + { + BDF_PropertyType type; + union { + const char* atom; + FT_Int32 integer; + FT_UInt32 cardinal; + + } u; + + } BDF_PropertyRec; + + + /********************************************************************** + * + * @function: + * FT_Get_BDF_Charset_ID + * + * @description: + * Retrieve a BDF font character set identity, according to + * the BDF specification. + * + * @input: + * face :: + * A handle to the input face. + * + * @output: + * acharset_encoding :: + * Charset encoding, as a C~string, owned by the face. + * + * acharset_registry :: + * Charset registry, as a C~string, owned by the face. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * This function only works with BDF faces, returning an error otherwise. + */ + FT_EXPORT( FT_Error ) + FT_Get_BDF_Charset_ID( FT_Face face, + const char* *acharset_encoding, + const char* *acharset_registry ); + + + /********************************************************************** + * + * @function: + * FT_Get_BDF_Property + * + * @description: + * Retrieve a BDF property from a BDF or PCF font file. + * + * @input: + * face :: A handle to the input face. + * + * name :: The property name. + * + * @output: + * aproperty :: The property. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * This function works with BDF _and_ PCF fonts. It returns an error + * otherwise. It also returns an error if the property is not in the + * font. + * + * A `property' is a either key-value pair within the STARTPROPERTIES + * ... ENDPROPERTIES block of a BDF font or a key-value pair from the + * `info->props' array within a `FontRec' structure of a PCF font. + * + * Integer properties are always stored as `signed' within PCF fonts; + * consequently, @BDF_PROPERTY_TYPE_CARDINAL is a possible return value + * for BDF fonts only. + * + * In case of error, `aproperty->type' is always set to + * @BDF_PROPERTY_TYPE_NONE. + */ + FT_EXPORT( FT_Error ) + FT_Get_BDF_Property( FT_Face face, + const char* prop_name, + BDF_PropertyRec *aproperty ); + + /* */ + +FT_END_HEADER + +#endif /* FTBDF_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftbitmap.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftbitmap.h new file mode 100644 index 00000000000..a43187cad47 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftbitmap.h @@ -0,0 +1,240 @@ +/***************************************************************************/ +/* */ +/* ftbitmap.h */ +/* */ +/* FreeType utility functions for bitmaps (specification). */ +/* */ +/* Copyright 2004-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTBITMAP_H_ +#define FTBITMAP_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* bitmap_handling */ + /* */ + /* <Title> */ + /* Bitmap Handling */ + /* */ + /* <Abstract> */ + /* Handling FT_Bitmap objects. */ + /* */ + /* <Description> */ + /* This section contains functions for handling @FT_Bitmap objects. */ + /* Note that none of the functions changes the bitmap's `flow' (as */ + /* indicated by the sign of the `pitch' field in `FT_Bitmap'). */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Bitmap_Init */ + /* */ + /* <Description> */ + /* Initialize a pointer to an @FT_Bitmap structure. */ + /* */ + /* <InOut> */ + /* abitmap :: A pointer to the bitmap structure. */ + /* */ + /* <Note> */ + /* A deprecated name for the same function is `FT_Bitmap_New'. */ + /* */ + FT_EXPORT( void ) + FT_Bitmap_Init( FT_Bitmap *abitmap ); + + + /* deprecated */ + FT_EXPORT( void ) + FT_Bitmap_New( FT_Bitmap *abitmap ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Bitmap_Copy */ + /* */ + /* <Description> */ + /* Copy a bitmap into another one. */ + /* */ + /* <Input> */ + /* library :: A handle to a library object. */ + /* */ + /* source :: A handle to the source bitmap. */ + /* */ + /* <Output> */ + /* target :: A handle to the target bitmap. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Bitmap_Copy( FT_Library library, + const FT_Bitmap *source, + FT_Bitmap *target ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Bitmap_Embolden */ + /* */ + /* <Description> */ + /* Embolden a bitmap. The new bitmap will be about `xStrength' */ + /* pixels wider and `yStrength' pixels higher. The left and bottom */ + /* borders are kept unchanged. */ + /* */ + /* <Input> */ + /* library :: A handle to a library object. */ + /* */ + /* xStrength :: How strong the glyph is emboldened horizontally. */ + /* Expressed in 26.6 pixel format. */ + /* */ + /* yStrength :: How strong the glyph is emboldened vertically. */ + /* Expressed in 26.6 pixel format. */ + /* */ + /* <InOut> */ + /* bitmap :: A handle to the target bitmap. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The current implementation restricts `xStrength' to be less than */ + /* or equal to~8 if bitmap is of pixel_mode @FT_PIXEL_MODE_MONO. */ + /* */ + /* If you want to embolden the bitmap owned by a @FT_GlyphSlotRec, */ + /* you should call @FT_GlyphSlot_Own_Bitmap on the slot first. */ + /* */ + /* Bitmaps in @FT_PIXEL_MODE_GRAY2 and @FT_PIXEL_MODE_GRAY@ format */ + /* are converted to @FT_PIXEL_MODE_GRAY format (i.e., 8bpp). */ + /* */ + FT_EXPORT( FT_Error ) + FT_Bitmap_Embolden( FT_Library library, + FT_Bitmap* bitmap, + FT_Pos xStrength, + FT_Pos yStrength ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Bitmap_Convert */ + /* */ + /* <Description> */ + /* Convert a bitmap object with depth 1bpp, 2bpp, 4bpp, 8bpp or 32bpp */ + /* to a bitmap object with depth 8bpp, making the number of used */ + /* bytes line (a.k.a. the `pitch') a multiple of `alignment'. */ + /* */ + /* <Input> */ + /* library :: A handle to a library object. */ + /* */ + /* source :: The source bitmap. */ + /* */ + /* alignment :: The pitch of the bitmap is a multiple of this */ + /* parameter. Common values are 1, 2, or 4. */ + /* */ + /* <Output> */ + /* target :: The target bitmap. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* It is possible to call @FT_Bitmap_Convert multiple times without */ + /* calling @FT_Bitmap_Done (the memory is simply reallocated). */ + /* */ + /* Use @FT_Bitmap_Done to finally remove the bitmap object. */ + /* */ + /* The `library' argument is taken to have access to FreeType's */ + /* memory handling functions. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Bitmap_Convert( FT_Library library, + const FT_Bitmap *source, + FT_Bitmap *target, + FT_Int alignment ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_GlyphSlot_Own_Bitmap */ + /* */ + /* <Description> */ + /* Make sure that a glyph slot owns `slot->bitmap'. */ + /* */ + /* <Input> */ + /* slot :: The glyph slot. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* This function is to be used in combination with */ + /* @FT_Bitmap_Embolden. */ + /* */ + FT_EXPORT( FT_Error ) + FT_GlyphSlot_Own_Bitmap( FT_GlyphSlot slot ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Bitmap_Done */ + /* */ + /* <Description> */ + /* Destroy a bitmap object initialized with @FT_Bitmap_Init. */ + /* */ + /* <Input> */ + /* library :: A handle to a library object. */ + /* */ + /* bitmap :: The bitmap object to be freed. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The `library' argument is taken to have access to FreeType's */ + /* memory handling functions. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Bitmap_Done( FT_Library library, + FT_Bitmap *bitmap ); + + + /* */ + + +FT_END_HEADER + +#endif /* FTBITMAP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftchapters.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftchapters.h new file mode 100644 index 00000000000..51257bb7ca8 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftchapters.h @@ -0,0 +1,139 @@ +/***************************************************************************/ +/* */ +/* This file defines the structure of the FreeType reference. */ +/* It is used by the python script that generates the HTML files. */ +/* */ +/***************************************************************************/ + + +/***************************************************************************/ +/* */ +/* <Chapter> */ +/* general_remarks */ +/* */ +/* <Title> */ +/* General Remarks */ +/* */ +/* <Sections> */ +/* header_inclusion */ +/* user_allocation */ +/* */ +/***************************************************************************/ + + +/***************************************************************************/ +/* */ +/* <Chapter> */ +/* core_api */ +/* */ +/* <Title> */ +/* Core API */ +/* */ +/* <Sections> */ +/* version */ +/* basic_types */ +/* base_interface */ +/* glyph_variants */ +/* glyph_management */ +/* mac_specific */ +/* sizes_management */ +/* header_file_macros */ +/* */ +/***************************************************************************/ + + +/***************************************************************************/ +/* */ +/* <Chapter> */ +/* format_specific */ +/* */ +/* <Title> */ +/* Format-Specific API */ +/* */ +/* <Sections> */ +/* multiple_masters */ +/* truetype_tables */ +/* type1_tables */ +/* sfnt_names */ +/* bdf_fonts */ +/* cid_fonts */ +/* pfr_fonts */ +/* winfnt_fonts */ +/* font_formats */ +/* gasp_table */ +/* */ +/***************************************************************************/ + + +/***************************************************************************/ +/* */ +/* <Chapter> */ +/* module_specific */ +/* */ +/* <Title> */ +/* Controlling FreeType Modules */ +/* */ +/* <Sections> */ +/* auto_hinter */ +/* cff_driver */ +/* t1_cid_driver */ +/* tt_driver */ +/* pcf_driver */ +/* properties */ +/* parameter_tags */ +/* */ +/***************************************************************************/ + + +/***************************************************************************/ +/* */ +/* <Chapter> */ +/* cache_subsystem */ +/* */ +/* <Title> */ +/* Cache Sub-System */ +/* */ +/* <Sections> */ +/* cache_subsystem */ +/* */ +/***************************************************************************/ + + +/***************************************************************************/ +/* */ +/* <Chapter> */ +/* support_api */ +/* */ +/* <Title> */ +/* Support API */ +/* */ +/* <Sections> */ +/* computations */ +/* list_processing */ +/* outline_processing */ +/* quick_advance */ +/* bitmap_handling */ +/* raster */ +/* glyph_stroker */ +/* system_interface */ +/* module_management */ +/* gzip */ +/* lzw */ +/* bzip2 */ +/* lcd_filtering */ +/* */ +/***************************************************************************/ + +/***************************************************************************/ +/* */ +/* <Chapter> */ +/* error_codes */ +/* */ +/* <Title> */ +/* Error Codes */ +/* */ +/* <Sections> */ +/* error_enumerations */ +/* error_code_values */ +/* */ +/***************************************************************************/ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftcid.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftcid.h new file mode 100644 index 00000000000..5e9100a67cb --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftcid.h @@ -0,0 +1,168 @@ +/***************************************************************************/ +/* */ +/* ftcid.h */ +/* */ +/* FreeType API for accessing CID font information (specification). */ +/* */ +/* Copyright 2007-2018 by */ +/* Dereg Clegg and Michael Toftdal. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTCID_H_ +#define FTCID_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* cid_fonts */ + /* */ + /* <Title> */ + /* CID Fonts */ + /* */ + /* <Abstract> */ + /* CID-keyed font specific API. */ + /* */ + /* <Description> */ + /* This section contains the declaration of CID-keyed font specific */ + /* functions. */ + /* */ + /*************************************************************************/ + + + /********************************************************************** + * + * @function: + * FT_Get_CID_Registry_Ordering_Supplement + * + * @description: + * Retrieve the Registry/Ordering/Supplement triple (also known as the + * "R/O/S") from a CID-keyed font. + * + * @input: + * face :: + * A handle to the input face. + * + * @output: + * registry :: + * The registry, as a C~string, owned by the face. + * + * ordering :: + * The ordering, as a C~string, owned by the face. + * + * supplement :: + * The supplement. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * This function only works with CID faces, returning an error + * otherwise. + * + * @since: + * 2.3.6 + */ + FT_EXPORT( FT_Error ) + FT_Get_CID_Registry_Ordering_Supplement( FT_Face face, + const char* *registry, + const char* *ordering, + FT_Int *supplement ); + + + /********************************************************************** + * + * @function: + * FT_Get_CID_Is_Internally_CID_Keyed + * + * @description: + * Retrieve the type of the input face, CID keyed or not. In + * contrast to the @FT_IS_CID_KEYED macro this function returns + * successfully also for CID-keyed fonts in an SFNT wrapper. + * + * @input: + * face :: + * A handle to the input face. + * + * @output: + * is_cid :: + * The type of the face as an @FT_Bool. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * This function only works with CID faces and OpenType fonts, + * returning an error otherwise. + * + * @since: + * 2.3.9 + */ + FT_EXPORT( FT_Error ) + FT_Get_CID_Is_Internally_CID_Keyed( FT_Face face, + FT_Bool *is_cid ); + + + /********************************************************************** + * + * @function: + * FT_Get_CID_From_Glyph_Index + * + * @description: + * Retrieve the CID of the input glyph index. + * + * @input: + * face :: + * A handle to the input face. + * + * glyph_index :: + * The input glyph index. + * + * @output: + * cid :: + * The CID as an @FT_UInt. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * This function only works with CID faces and OpenType fonts, + * returning an error otherwise. + * + * @since: + * 2.3.9 + */ + FT_EXPORT( FT_Error ) + FT_Get_CID_From_Glyph_Index( FT_Face face, + FT_UInt glyph_index, + FT_UInt *cid ); + + /* */ + + +FT_END_HEADER + +#endif /* FTCID_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftdriver.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftdriver.h new file mode 100644 index 00000000000..be4fe235d02 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftdriver.h @@ -0,0 +1,1225 @@ +/***************************************************************************/ +/* */ +/* ftdriver.h */ +/* */ +/* FreeType API for controlling driver modules (specification only). */ +/* */ +/* Copyright 2017-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTDRIVER_H_ +#define FTDRIVER_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_PARAMETER_TAGS_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /************************************************************************** + * + * @section: + * auto_hinter + * + * @title: + * The auto-hinter + * + * @abstract: + * Controlling the auto-hinting module. + * + * @description: + * While FreeType's auto-hinter doesn't expose API functions by itself, + * it is possible to control its behaviour with @FT_Property_Set and + * @FT_Property_Get. The following lists the available properties + * together with the necessary macros and structures. + * + * Note that the auto-hinter's module name is `autofitter' for + * historical reasons. + * + * Available properties are @increase-x-height, @no-stem-darkening + * (experimental), @darkening-parameters (experimental), @warping + * (experimental), @glyph-to-script-map (experimental), @fallback-script + * (experimental), and @default-script (experimental), as documented in + * the @properties section. + * + */ + + + /************************************************************************** + * + * @section: + * cff_driver + * + * @title: + * The CFF driver + * + * @abstract: + * Controlling the CFF driver module. + * + * @description: + * While FreeType's CFF driver doesn't expose API functions by itself, + * it is possible to control its behaviour with @FT_Property_Set and + * @FT_Property_Get. + * + * The CFF driver's module name is `cff'. + * + * Available properties are @hinting-engine, @no-stem-darkening, + * @darkening-parameters, and @random-seed, as documented in the + * @properties section. + * + * + * *Hinting* *and* *antialiasing* *principles* *of* *the* *new* *engine* + * + * The rasterizer is positioning horizontal features (e.g., ascender + * height & x-height, or crossbars) on the pixel grid and minimizing the + * amount of antialiasing applied to them, while placing vertical + * features (vertical stems) on the pixel grid without hinting, thus + * representing the stem position and weight accurately. Sometimes the + * vertical stems may be only partially black. In this context, + * `antialiasing' means that stems are not positioned exactly on pixel + * borders, causing a fuzzy appearance. + * + * There are two principles behind this approach. + * + * 1) No hinting in the horizontal direction: Unlike `superhinted' + * TrueType, which changes glyph widths to accommodate regular + * inter-glyph spacing, Adobe's approach is `faithful to the design' in + * representing both the glyph width and the inter-glyph spacing + * designed for the font. This makes the screen display as close as it + * can be to the result one would get with infinite resolution, while + * preserving what is considered the key characteristics of each glyph. + * Note that the distances between unhinted and grid-fitted positions at + * small sizes are comparable to kerning values and thus would be + * noticeable (and distracting) while reading if hinting were applied. + * + * One of the reasons to not hint horizontally is antialiasing for LCD + * screens: The pixel geometry of modern displays supplies three + * vertical sub-pixels as the eye moves horizontally across each visible + * pixel. On devices where we can be certain this characteristic is + * present a rasterizer can take advantage of the sub-pixels to add + * increments of weight. In Western writing systems this turns out to + * be the more critical direction anyway; the weights and spacing of + * vertical stems (see above) are central to Armenian, Cyrillic, Greek, + * and Latin type designs. Even when the rasterizer uses greyscale + * antialiasing instead of color (a necessary compromise when one + * doesn't know the screen characteristics), the unhinted vertical + * features preserve the design's weight and spacing much better than + * aliased type would. + * + * 2) Alignment in the vertical direction: Weights and spacing along the + * y~axis are less critical; what is much more important is the visual + * alignment of related features (like cap-height and x-height). The + * sense of alignment for these is enhanced by the sharpness of grid-fit + * edges, while the cruder vertical resolution (full pixels instead of + * 1/3 pixels) is less of a problem. + * + * On the technical side, horizontal alignment zones for ascender, + * x-height, and other important height values (traditionally called + * `blue zones') as defined in the font are positioned independently, + * each being rounded to the nearest pixel edge, taking care of + * overshoot suppression at small sizes, stem darkening, and scaling. + * + * Hstems (this is, hint values defined in the font to help align + * horizontal features) that fall within a blue zone are said to be + * `captured' and are aligned to that zone. Uncaptured stems are moved + * in one of four ways, top edge up or down, bottom edge up or down. + * Unless there are conflicting hstems, the smallest movement is taken + * to minimize distortion. + * + */ + + + /************************************************************************** + * + * @section: + * pcf_driver + * + * @title: + * The PCF driver + * + * @abstract: + * Controlling the PCF driver module. + * + * @description: + * While FreeType's PCF driver doesn't expose API functions by itself, + * it is possible to control its behaviour with @FT_Property_Set and + * @FT_Property_Get. Right now, there is a single property + * @no-long-family-names available if FreeType is compiled with + * PCF_CONFIG_OPTION_LONG_FAMILY_NAMES. + * + * The PCF driver's module name is `pcf'. + * + */ + + + /************************************************************************** + * + * @section: + * t1_cid_driver + * + * @title: + * The Type 1 and CID drivers + * + * @abstract: + * Controlling the Type~1 and CID driver modules. + * + * @description: + * It is possible to control the behaviour of FreeType's Type~1 and + * Type~1 CID drivers with @FT_Property_Set and @FT_Property_Get. + * + * Behind the scenes, both drivers use the Adobe CFF engine for hinting; + * however, the used properties must be specified separately. + * + * The Type~1 driver's module name is `type1'; the CID driver's module + * name is `t1cid'. + * + * Available properties are @hinting-engine, @no-stem-darkening, + * @darkening-parameters, and @random-seed, as documented in the + * @properties section. + * + * Please see the @cff_driver section for more details on the new + * hinting engine. + * + */ + + + /************************************************************************** + * + * @section: + * tt_driver + * + * @title: + * The TrueType driver + * + * @abstract: + * Controlling the TrueType driver module. + * + * @description: + * While FreeType's TrueType driver doesn't expose API functions by + * itself, it is possible to control its behaviour with @FT_Property_Set + * and @FT_Property_Get. The following lists the available properties + * together with the necessary macros and structures. + * + * The TrueType driver's module name is `truetype'. + * + * A single property @interpreter-version is available, as documented in + * the @properties section. + * + * We start with a list of definitions, kindly provided by Greg + * Hitchcock. + * + * _Bi-Level_ _Rendering_ + * + * Monochromatic rendering, exclusively used in the early days of + * TrueType by both Apple and Microsoft. Microsoft's GDI interface + * supported hinting of the right-side bearing point, such that the + * advance width could be non-linear. Most often this was done to + * achieve some level of glyph symmetry. To enable reasonable + * performance (e.g., not having to run hinting on all glyphs just to + * get the widths) there was a bit in the head table indicating if the + * side bearing was hinted, and additional tables, `hdmx' and `LTSH', to + * cache hinting widths across multiple sizes and device aspect ratios. + * + * _Font_ _Smoothing_ + * + * Microsoft's GDI implementation of anti-aliasing. Not traditional + * anti-aliasing as the outlines were hinted before the sampling. The + * widths matched the bi-level rendering. + * + * _ClearType_ _Rendering_ + * + * Technique that uses physical subpixels to improve rendering on LCD + * (and other) displays. Because of the higher resolution, many methods + * of improving symmetry in glyphs through hinting the right-side + * bearing were no longer necessary. This lead to what GDI calls + * `natural widths' ClearType, see + * http://www.beatstamm.com/typography/RTRCh4.htm#Sec21. Since hinting + * has extra resolution, most non-linearity went away, but it is still + * possible for hints to change the advance widths in this mode. + * + * _ClearType_ _Compatible_ _Widths_ + * + * One of the earliest challenges with ClearType was allowing the + * implementation in GDI to be selected without requiring all UI and + * documents to reflow. To address this, a compatible method of + * rendering ClearType was added where the font hints are executed once + * to determine the width in bi-level rendering, and then re-run in + * ClearType, with the difference in widths being absorbed in the font + * hints for ClearType (mostly in the white space of hints); see + * http://www.beatstamm.com/typography/RTRCh4.htm#Sec20. Somewhat by + * definition, compatible width ClearType allows for non-linear widths, + * but only when the bi-level version has non-linear widths. + * + * _ClearType_ _Subpixel_ _Positioning_ + * + * One of the nice benefits of ClearType is the ability to more crisply + * display fractional widths; unfortunately, the GDI model of integer + * bitmaps did not support this. However, the WPF and Direct Write + * frameworks do support fractional widths. DWrite calls this `natural + * mode', not to be confused with GDI's `natural widths'. Subpixel + * positioning, in the current implementation of Direct Write, + * unfortunately does not support hinted advance widths, see + * http://www.beatstamm.com/typography/RTRCh4.htm#Sec22. Note that the + * TrueType interpreter fully allows the advance width to be adjusted in + * this mode, just the DWrite client will ignore those changes. + * + * _ClearType_ _Backward_ _Compatibility_ + * + * This is a set of exceptions made in the TrueType interpreter to + * minimize hinting techniques that were problematic with the extra + * resolution of ClearType; see + * http://www.beatstamm.com/typography/RTRCh4.htm#Sec1 and + * https://www.microsoft.com/typography/cleartype/truetypecleartype.aspx. + * This technique is not to be confused with ClearType compatible + * widths. ClearType backward compatibility has no direct impact on + * changing advance widths, but there might be an indirect impact on + * disabling some deltas. This could be worked around in backward + * compatibility mode. + * + * _Native_ _ClearType_ _Mode_ + * + * (Not to be confused with `natural widths'.) This mode removes all + * the exceptions in the TrueType interpreter when running with + * ClearType. Any issues on widths would still apply, though. + * + */ + + + /************************************************************************** + * + * @section: + * properties + * + * @title: + * Driver properties + * + * @abstract: + * Controlling driver modules. + * + * @description: + * Driver modules can be controlled by setting and unsetting properties, + * using the functions @FT_Property_Set and @FT_Property_Get. This + * section documents the available properties, together with auxiliary + * macros and structures. + * + */ + + + /************************************************************************** + * + * @enum: + * FT_HINTING_XXX + * + * @description: + * A list of constants used for the @hinting-engine property to + * select the hinting engine for CFF, Type~1, and CID fonts. + * + * @values: + * FT_HINTING_FREETYPE :: + * Use the old FreeType hinting engine. + * + * FT_HINTING_ADOBE :: + * Use the hinting engine contributed by Adobe. + * + * @since: + * 2.9 + * + */ +#define FT_HINTING_FREETYPE 0 +#define FT_HINTING_ADOBE 1 + + /* these constants (introduced in 2.4.12) are deprecated */ +#define FT_CFF_HINTING_FREETYPE FT_HINTING_FREETYPE +#define FT_CFF_HINTING_ADOBE FT_HINTING_ADOBE + + + /************************************************************************** + * + * @property: + * hinting-engine + * + * @description: + * Thanks to Adobe, which contributed a new hinting (and parsing) + * engine, an application can select between `freetype' and `adobe' if + * compiled with CFF_CONFIG_OPTION_OLD_ENGINE. If this configuration + * macro isn't defined, `hinting-engine' does nothing. + * + * The same holds for the Type~1 and CID modules if compiled with + * T1_CONFIG_OPTION_OLD_ENGINE. + * + * For the `cff' module, the default engine is `freetype' if + * CFF_CONFIG_OPTION_OLD_ENGINE is defined, and `adobe' otherwise. + * + * For both the `type1' and `t1cid' modules, the default engine is + * `freetype' if T1_CONFIG_OPTION_OLD_ENGINE is defined, and `adobe' + * otherwise. + * + * The following example code demonstrates how to select Adobe's hinting + * engine for the `cff' module (omitting the error handling). + * + * { + * FT_Library library; + * FT_UInt hinting_engine = FT_CFF_HINTING_ADOBE; + * + * + * FT_Init_FreeType( &library ); + * + * FT_Property_Set( library, "cff", + * "hinting-engine", &hinting_engine ); + * } + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * This property can be set via the `FREETYPE_PROPERTIES' environment + * variable (using values `adobe' or `freetype'). + * + * @since: + * 2.4.12 (for `cff' module) + * + * 2.9 (for `type1' and `t1cid' modules) + * + */ + + + /************************************************************************** + * + * @property: + * no-stem-darkening + * + * @description: + * All glyphs that pass through the auto-hinter will be emboldened + * unless this property is set to TRUE. The same is true for the CFF, + * Type~1, and CID font modules if the `Adobe' engine is selected (which + * is the default). + * + * Stem darkening emboldens glyphs at smaller sizes to make them more + * readable on common low-DPI screens when using linear alpha blending + * and gamma correction, see @FT_Render_Glyph. When not using linear + * alpha blending and gamma correction, glyphs will appear heavy and + * fuzzy! + * + * Gamma correction essentially lightens fonts since shades of grey are + * shifted to higher pixel values (=~higher brightness) to match the + * original intention to the reality of our screens. The side-effect is + * that glyphs `thin out'. Mac OS~X and Adobe's proprietary font + * rendering library implement a counter-measure: stem darkening at + * smaller sizes where shades of gray dominate. By emboldening a glyph + * slightly in relation to its pixel size, individual pixels get higher + * coverage of filled-in outlines and are therefore `blacker'. This + * counteracts the `thinning out' of glyphs, making text remain readable + * at smaller sizes. + * + * By default, the Adobe engines for CFF, Type~1, and CID fonts darken + * stems at smaller sizes, regardless of hinting, to enhance contrast. + * Setting this property, stem darkening gets switched off. + * + * For the auto-hinter, stem-darkening is experimental currently and + * thus switched off by default (this is, `no-stem-darkening' is set to + * TRUE by default). Total consistency with the CFF driver is not + * achieved right now because the emboldening method differs and glyphs + * must be scaled down on the Y-axis to keep outline points inside their + * precomputed blue zones. The smaller the size (especially 9ppem and + * down), the higher the loss of emboldening versus the CFF driver. + * + * Note that stem darkening is never applied if @FT_LOAD_NO_SCALE is + * set. + * + * { + * FT_Library library; + * FT_Bool no_stem_darkening = TRUE; + * + * + * FT_Init_FreeType( &library ); + * + * FT_Property_Set( library, "cff", + * "no-stem-darkening", &no_stem_darkening ); + * } + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * This property can be set via the `FREETYPE_PROPERTIES' environment + * variable (using values 1 and 0 for `on' and `off', respectively). + * It can also be set per face using @FT_Face_Properties with + * @FT_PARAM_TAG_STEM_DARKENING. + * + * @since: + * 2.4.12 (for `cff' module) + * + * 2.6.2 (for `autofitter' module) + * + * 2.9 (for `type1' and `t1cid' modules) + * + */ + + + /************************************************************************** + * + * @property: + * darkening-parameters + * + * @description: + * By default, the Adobe hinting engine, as used by the CFF, Type~1, and + * CID font drivers, darkens stems as follows (if the + * `no-stem-darkening' property isn't set): + * + * { + * stem width <= 0.5px: darkening amount = 0.4px + * stem width = 1px: darkening amount = 0.275px + * stem width = 1.667px: darkening amount = 0.275px + * stem width >= 2.333px: darkening amount = 0px + * } + * + * and piecewise linear in-between. At configuration time, these four + * control points can be set with the macro + * `CFF_CONFIG_OPTION_DARKENING_PARAMETERS'; the CFF, Type~1, and CID + * drivers share these values. At runtime, the control points can be + * changed using the `darkening-parameters' property, as the following + * example demonstrates for the Type~1 driver. + * + * { + * FT_Library library; + * FT_Int darken_params[8] = { 500, 300, // x1, y1 + * 1000, 200, // x2, y2 + * 1500, 100, // x3, y3 + * 2000, 0 }; // x4, y4 + * + * + * FT_Init_FreeType( &library ); + * + * FT_Property_Set( library, "type1", + * "darkening-parameters", darken_params ); + * } + * + * The x~values give the stem width, and the y~values the darkening + * amount. The unit is 1000th of pixels. All coordinate values must be + * positive; the x~values must be monotonically increasing; the + * y~values must be monotonically decreasing and smaller than or + * equal to 500 (corresponding to half a pixel); the slope of each + * linear piece must be shallower than -1 (e.g., -.4). + * + * The auto-hinter provides this property, too, as an experimental + * feature. See @no-stem-darkening for more. + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * This property can be set via the `FREETYPE_PROPERTIES' environment + * variable, using eight comma-separated integers without spaces. Here + * the above example, using `\' to break the line for readability. + * + * { + * FREETYPE_PROPERTIES=\ + * type1:darkening-parameters=500,300,1000,200,1500,100,2000,0 + * } + * + * @since: + * 2.5.1 (for `cff' module) + * + * 2.6.2 (for `autofitter' module) + * + * 2.9 (for `type1' and `t1cid' modules) + * + */ + + + /************************************************************************** + * + * @property: + * random-seed + * + * @description: + * By default, the seed value for the CFF `random' operator and the + * similar `0 28 callothersubr pop' command for the Type~1 and CID + * drivers is set to a random value. However, mainly for debugging + * purposes, it is often necessary to use a known value as a seed so + * that the pseudo-random number sequences generated by `random' are + * repeatable. + * + * The `random-seed' property does that. Its argument is a signed 32bit + * integer; if the value is zero or negative, the seed given by the + * `intitialRandomSeed' private DICT operator in a CFF file gets used + * (or a default value if there is no such operator). If the value is + * positive, use it instead of `initialRandomSeed', which is + * consequently ignored. + * + * @note: + * This property can be set via the `FREETYPE_PROPERTIES' environment + * variable. It can also be set per face using @FT_Face_Properties with + * @FT_PARAM_TAG_RANDOM_SEED. + * + * @since: + * 2.8 (for `cff' module) + * + * 2.9 (for `type1' and `t1cid' modules) + * + */ + + + /************************************************************************** + * + * @property: + * no-long-family-names + * + * @description: + * If PCF_CONFIG_OPTION_LONG_FAMILY_NAMES is active while compiling + * FreeType, the PCF driver constructs long family names. + * + * There are many PCF fonts just called `Fixed' which look completely + * different, and which have nothing to do with each other. When + * selecting `Fixed' in KDE or Gnome one gets results that appear rather + * random, the style changes often if one changes the size and one + * cannot select some fonts at all. The improve this situation, the PCF + * module prepends the foundry name (plus a space) to the family name. + * It also checks whether there are `wide' characters; all put together, + * family names like `Sony Fixed' or `Misc Fixed Wide' are constructed. + * + * If `no-long-family-names' is set, this feature gets switched off. + * + * { + * FT_Library library; + * FT_Bool no_long_family_names = TRUE; + * + * + * FT_Init_FreeType( &library ); + * + * FT_Property_Set( library, "pcf", + * "no-long-family-names", + * &no_long_family_names ); + * } + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * This property can be set via the `FREETYPE_PROPERTIES' environment + * variable (using values 1 and 0 for `on' and `off', respectively). + * + * @since: + * 2.8 + */ + + + /************************************************************************** + * + * @enum: + * TT_INTERPRETER_VERSION_XXX + * + * @description: + * A list of constants used for the @interpreter-version property to + * select the hinting engine for Truetype fonts. + * + * The numeric value in the constant names represents the version + * number as returned by the `GETINFO' bytecode instruction. + * + * @values: + * TT_INTERPRETER_VERSION_35 :: + * Version~35 corresponds to MS rasterizer v.1.7 as used e.g. in + * Windows~98; only grayscale and B/W rasterizing is supported. + * + * TT_INTERPRETER_VERSION_38 :: + * Version~38 corresponds to MS rasterizer v.1.9; it is roughly + * equivalent to the hinting provided by DirectWrite ClearType (as can + * be found, for example, in the Internet Explorer~9 running on + * Windows~7). It is used in FreeType to select the `Infinality' + * subpixel hinting code. The code may be removed in a future + * version. + * + * TT_INTERPRETER_VERSION_40 :: + * Version~40 corresponds to MS rasterizer v.2.1; it is roughly + * equivalent to the hinting provided by DirectWrite ClearType (as can + * be found, for example, in Microsoft's Edge Browser on Windows~10). + * It is used in FreeType to select the `minimal' subpixel hinting + * code, a stripped-down and higher performance version of the + * `Infinality' code. + * + * @note: + * This property controls the behaviour of the bytecode interpreter + * and thus how outlines get hinted. It does *not* control how glyph + * get rasterized! In particular, it does not control subpixel color + * filtering. + * + * If FreeType has not been compiled with the configuration option + * TT_CONFIG_OPTION_SUBPIXEL_HINTING, selecting version~38 or~40 causes + * an `FT_Err_Unimplemented_Feature' error. + * + * Depending on the graphics framework, Microsoft uses different + * bytecode and rendering engines. As a consequence, the version + * numbers returned by a call to the `GETINFO' bytecode instruction are + * more convoluted than desired. + * + * Here are two tables that try to shed some light on the possible + * values for the MS rasterizer engine, together with the additional + * features introduced by it. + * + * { + * GETINFO framework version feature + * ------------------------------------------------------------------- + * 3 GDI (Win 3.1), v1.0 16-bit, first version + * TrueImage + * 33 GDI (Win NT 3.1), v1.5 32-bit + * HP Laserjet + * 34 GDI (Win 95) v1.6 font smoothing, + * new SCANTYPE opcode + * 35 GDI (Win 98/2000) v1.7 (UN)SCALED_COMPONENT_OFFSET + * bits in composite glyphs + * 36 MGDI (Win CE 2) v1.6+ classic ClearType + * 37 GDI (XP and later), v1.8 ClearType + * GDI+ old (before Vista) + * 38 GDI+ old (Vista, Win 7), v1.9 subpixel ClearType, + * WPF Y-direction ClearType, + * additional error checking + * 39 DWrite (before Win 8) v2.0 subpixel ClearType flags + * in GETINFO opcode, + * bug fixes + * 40 GDI+ (after Win 7), v2.1 Y-direction ClearType flag + * DWrite (Win 8) in GETINFO opcode, + * Gray ClearType + * } + * + * The `version' field gives a rough orientation only, since some + * applications provided certain features much earlier (as an example, + * Microsoft Reader used subpixel and Y-direction ClearType already in + * Windows 2000). Similarly, updates to a given framework might include + * improved hinting support. + * + * { + * version sampling rendering comment + * x y x y + * -------------------------------------------------------------- + * v1.0 normal normal B/W B/W bi-level + * v1.6 high high gray gray grayscale + * v1.8 high normal color-filter B/W (GDI) ClearType + * v1.9 high high color-filter gray Color ClearType + * v2.1 high normal gray B/W Gray ClearType + * v2.1 high high gray gray Gray ClearType + * } + * + * Color and Gray ClearType are the two available variants of + * `Y-direction ClearType', meaning grayscale rasterization along the + * Y-direction; the name used in the TrueType specification for this + * feature is `symmetric smoothing'. `Classic ClearType' is the + * original algorithm used before introducing a modified version in + * Win~XP. Another name for v1.6's grayscale rendering is `font + * smoothing', and `Color ClearType' is sometimes also called `DWrite + * ClearType'. To differentiate between today's Color ClearType and the + * earlier ClearType variant with B/W rendering along the vertical axis, + * the latter is sometimes called `GDI ClearType'. + * + * `Normal' and `high' sampling describe the (virtual) resolution to + * access the rasterized outline after the hinting process. `Normal' + * means 1 sample per grid line (i.e., B/W). In the current Microsoft + * implementation, `high' means an extra virtual resolution of 16x16 (or + * 16x1) grid lines per pixel for bytecode instructions like `MIRP'. + * After hinting, these 16 grid lines are mapped to 6x5 (or 6x1) grid + * lines for color filtering if Color ClearType is activated. + * + * Note that `Gray ClearType' is essentially the same as v1.6's + * grayscale rendering. However, the GETINFO instruction handles it + * differently: v1.6 returns bit~12 (hinting for grayscale), while v2.1 + * returns bits~13 (hinting for ClearType), 18 (symmetrical smoothing), + * and~19 (Gray ClearType). Also, this mode respects bits 2 and~3 for + * the version~1 gasp table exclusively (like Color ClearType), while + * v1.6 only respects the values of version~0 (bits 0 and~1). + * + * Keep in mind that the features of the above interpreter versions + * might not map exactly to FreeType features or behavior because it is + * a fundamentally different library with different internals. + * + */ +#define TT_INTERPRETER_VERSION_35 35 +#define TT_INTERPRETER_VERSION_38 38 +#define TT_INTERPRETER_VERSION_40 40 + + + /************************************************************************** + * + * @property: + * interpreter-version + * + * @description: + * Currently, three versions are available, two representing the + * bytecode interpreter with subpixel hinting support (old `Infinality' + * code and new stripped-down and higher performance `minimal' code) and + * one without, respectively. The default is subpixel support if + * TT_CONFIG_OPTION_SUBPIXEL_HINTING is defined, and no subpixel support + * otherwise (since it isn't available then). + * + * If subpixel hinting is on, many TrueType bytecode instructions behave + * differently compared to B/W or grayscale rendering (except if `native + * ClearType' is selected by the font). Microsoft's main idea is to + * render at a much increased horizontal resolution, then sampling down + * the created output to subpixel precision. However, many older fonts + * are not suited to this and must be specially taken care of by + * applying (hardcoded) tweaks in Microsoft's interpreter. + * + * Details on subpixel hinting and some of the necessary tweaks can be + * found in Greg Hitchcock's whitepaper at + * `https://www.microsoft.com/typography/cleartype/truetypecleartype.aspx'. + * Note that FreeType currently doesn't really `subpixel hint' (6x1, 6x2, + * or 6x5 supersampling) like discussed in the paper. Depending on the + * chosen interpreter, it simply ignores instructions on vertical stems + * to arrive at very similar results. + * + * The following example code demonstrates how to deactivate subpixel + * hinting (omitting the error handling). + * + * { + * FT_Library library; + * FT_Face face; + * FT_UInt interpreter_version = TT_INTERPRETER_VERSION_35; + * + * + * FT_Init_FreeType( &library ); + * + * FT_Property_Set( library, "truetype", + * "interpreter-version", + * &interpreter_version ); + * } + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * This property can be set via the `FREETYPE_PROPERTIES' environment + * variable (using values `35', `38', or `40'). + * + * @since: + * 2.5 + */ + + + /************************************************************************** + * + * @property: + * glyph-to-script-map + * + * @description: + * *Experimental* *only* + * + * The auto-hinter provides various script modules to hint glyphs. + * Examples of supported scripts are Latin or CJK. Before a glyph is + * auto-hinted, the Unicode character map of the font gets examined, and + * the script is then determined based on Unicode character ranges, see + * below. + * + * OpenType fonts, however, often provide much more glyphs than + * character codes (small caps, superscripts, ligatures, swashes, etc.), + * to be controlled by so-called `features'. Handling OpenType features + * can be quite complicated and thus needs a separate library on top of + * FreeType. + * + * The mapping between glyph indices and scripts (in the auto-hinter + * sense, see the @FT_AUTOHINTER_SCRIPT_XXX values) is stored as an + * array with `num_glyphs' elements, as found in the font's @FT_Face + * structure. The `glyph-to-script-map' property returns a pointer to + * this array, which can be modified as needed. Note that the + * modification should happen before the first glyph gets processed by + * the auto-hinter so that the global analysis of the font shapes + * actually uses the modified mapping. + * + * The following example code demonstrates how to access it (omitting + * the error handling). + * + * { + * FT_Library library; + * FT_Face face; + * FT_Prop_GlyphToScriptMap prop; + * + * + * FT_Init_FreeType( &library ); + * FT_New_Face( library, "foo.ttf", 0, &face ); + * + * prop.face = face; + * + * FT_Property_Get( library, "autofitter", + * "glyph-to-script-map", &prop ); + * + * // adjust `prop.map' as needed right here + * + * FT_Load_Glyph( face, ..., FT_LOAD_FORCE_AUTOHINT ); + * } + * + * @since: + * 2.4.11 + * + */ + + + /************************************************************************** + * + * @enum: + * FT_AUTOHINTER_SCRIPT_XXX + * + * @description: + * *Experimental* *only* + * + * A list of constants used for the @glyph-to-script-map property to + * specify the script submodule the auto-hinter should use for hinting a + * particular glyph. + * + * @values: + * FT_AUTOHINTER_SCRIPT_NONE :: + * Don't auto-hint this glyph. + * + * FT_AUTOHINTER_SCRIPT_LATIN :: + * Apply the latin auto-hinter. For the auto-hinter, `latin' is a + * very broad term, including Cyrillic and Greek also since characters + * from those scripts share the same design constraints. + * + * By default, characters from the following Unicode ranges are + * assigned to this submodule. + * + * { + * U+0020 - U+007F // Basic Latin (no control characters) + * U+00A0 - U+00FF // Latin-1 Supplement (no control characters) + * U+0100 - U+017F // Latin Extended-A + * U+0180 - U+024F // Latin Extended-B + * U+0250 - U+02AF // IPA Extensions + * U+02B0 - U+02FF // Spacing Modifier Letters + * U+0300 - U+036F // Combining Diacritical Marks + * U+0370 - U+03FF // Greek and Coptic + * U+0400 - U+04FF // Cyrillic + * U+0500 - U+052F // Cyrillic Supplement + * U+1D00 - U+1D7F // Phonetic Extensions + * U+1D80 - U+1DBF // Phonetic Extensions Supplement + * U+1DC0 - U+1DFF // Combining Diacritical Marks Supplement + * U+1E00 - U+1EFF // Latin Extended Additional + * U+1F00 - U+1FFF // Greek Extended + * U+2000 - U+206F // General Punctuation + * U+2070 - U+209F // Superscripts and Subscripts + * U+20A0 - U+20CF // Currency Symbols + * U+2150 - U+218F // Number Forms + * U+2460 - U+24FF // Enclosed Alphanumerics + * U+2C60 - U+2C7F // Latin Extended-C + * U+2DE0 - U+2DFF // Cyrillic Extended-A + * U+2E00 - U+2E7F // Supplemental Punctuation + * U+A640 - U+A69F // Cyrillic Extended-B + * U+A720 - U+A7FF // Latin Extended-D + * U+FB00 - U+FB06 // Alphab. Present. Forms (Latin Ligatures) + * U+1D400 - U+1D7FF // Mathematical Alphanumeric Symbols + * U+1F100 - U+1F1FF // Enclosed Alphanumeric Supplement + * } + * + * FT_AUTOHINTER_SCRIPT_CJK :: + * Apply the CJK auto-hinter, covering Chinese, Japanese, Korean, old + * Vietnamese, and some other scripts. + * + * By default, characters from the following Unicode ranges are + * assigned to this submodule. + * + * { + * U+1100 - U+11FF // Hangul Jamo + * U+2E80 - U+2EFF // CJK Radicals Supplement + * U+2F00 - U+2FDF // Kangxi Radicals + * U+2FF0 - U+2FFF // Ideographic Description Characters + * U+3000 - U+303F // CJK Symbols and Punctuation + * U+3040 - U+309F // Hiragana + * U+30A0 - U+30FF // Katakana + * U+3100 - U+312F // Bopomofo + * U+3130 - U+318F // Hangul Compatibility Jamo + * U+3190 - U+319F // Kanbun + * U+31A0 - U+31BF // Bopomofo Extended + * U+31C0 - U+31EF // CJK Strokes + * U+31F0 - U+31FF // Katakana Phonetic Extensions + * U+3200 - U+32FF // Enclosed CJK Letters and Months + * U+3300 - U+33FF // CJK Compatibility + * U+3400 - U+4DBF // CJK Unified Ideographs Extension A + * U+4DC0 - U+4DFF // Yijing Hexagram Symbols + * U+4E00 - U+9FFF // CJK Unified Ideographs + * U+A960 - U+A97F // Hangul Jamo Extended-A + * U+AC00 - U+D7AF // Hangul Syllables + * U+D7B0 - U+D7FF // Hangul Jamo Extended-B + * U+F900 - U+FAFF // CJK Compatibility Ideographs + * U+FE10 - U+FE1F // Vertical forms + * U+FE30 - U+FE4F // CJK Compatibility Forms + * U+FF00 - U+FFEF // Halfwidth and Fullwidth Forms + * U+1B000 - U+1B0FF // Kana Supplement + * U+1D300 - U+1D35F // Tai Xuan Hing Symbols + * U+1F200 - U+1F2FF // Enclosed Ideographic Supplement + * U+20000 - U+2A6DF // CJK Unified Ideographs Extension B + * U+2A700 - U+2B73F // CJK Unified Ideographs Extension C + * U+2B740 - U+2B81F // CJK Unified Ideographs Extension D + * U+2F800 - U+2FA1F // CJK Compatibility Ideographs Supplement + * } + * + * FT_AUTOHINTER_SCRIPT_INDIC :: + * Apply the indic auto-hinter, covering all major scripts from the + * Indian sub-continent and some other related scripts like Thai, Lao, + * or Tibetan. + * + * By default, characters from the following Unicode ranges are + * assigned to this submodule. + * + * { + * U+0900 - U+0DFF // Indic Range + * U+0F00 - U+0FFF // Tibetan + * U+1900 - U+194F // Limbu + * U+1B80 - U+1BBF // Sundanese + * U+A800 - U+A82F // Syloti Nagri + * U+ABC0 - U+ABFF // Meetei Mayek + * U+11800 - U+118DF // Sharada + * } + * + * Note that currently Indic support is rudimentary only, missing blue + * zone support. + * + * @since: + * 2.4.11 + * + */ +#define FT_AUTOHINTER_SCRIPT_NONE 0 +#define FT_AUTOHINTER_SCRIPT_LATIN 1 +#define FT_AUTOHINTER_SCRIPT_CJK 2 +#define FT_AUTOHINTER_SCRIPT_INDIC 3 + + + /************************************************************************** + * + * @struct: + * FT_Prop_GlyphToScriptMap + * + * @description: + * *Experimental* *only* + * + * The data exchange structure for the @glyph-to-script-map property. + * + * @since: + * 2.4.11 + * + */ + typedef struct FT_Prop_GlyphToScriptMap_ + { + FT_Face face; + FT_UShort* map; + + } FT_Prop_GlyphToScriptMap; + + + /************************************************************************** + * + * @property: + * fallback-script + * + * @description: + * *Experimental* *only* + * + * If no auto-hinter script module can be assigned to a glyph, a + * fallback script gets assigned to it (see also the + * @glyph-to-script-map property). By default, this is + * @FT_AUTOHINTER_SCRIPT_CJK. Using the `fallback-script' property, + * this fallback value can be changed. + * + * { + * FT_Library library; + * FT_UInt fallback_script = FT_AUTOHINTER_SCRIPT_NONE; + * + * + * FT_Init_FreeType( &library ); + * + * FT_Property_Set( library, "autofitter", + * "fallback-script", &fallback_script ); + * } + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * It's important to use the right timing for changing this value: The + * creation of the glyph-to-script map that eventually uses the + * fallback script value gets triggered either by setting or reading a + * face-specific property like @glyph-to-script-map, or by auto-hinting + * any glyph from that face. In particular, if you have already created + * an @FT_Face structure but not loaded any glyph (using the + * auto-hinter), a change of the fallback script will affect this face. + * + * @since: + * 2.4.11 + * + */ + + + /************************************************************************** + * + * @property: + * default-script + * + * @description: + * *Experimental* *only* + * + * If FreeType gets compiled with FT_CONFIG_OPTION_USE_HARFBUZZ to make + * the HarfBuzz library access OpenType features for getting better + * glyph coverages, this property sets the (auto-fitter) script to be + * used for the default (OpenType) script data of a font's GSUB table. + * Features for the default script are intended for all scripts not + * explicitly handled in GSUB; an example is a `dlig' feature, + * containing the combination of the characters `T', `E', and `L' to + * form a `TEL' ligature. + * + * By default, this is @FT_AUTOHINTER_SCRIPT_LATIN. Using the + * `default-script' property, this default value can be changed. + * + * { + * FT_Library library; + * FT_UInt default_script = FT_AUTOHINTER_SCRIPT_NONE; + * + * + * FT_Init_FreeType( &library ); + * + * FT_Property_Set( library, "autofitter", + * "default-script", &default_script ); + * } + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * It's important to use the right timing for changing this value: The + * creation of the glyph-to-script map that eventually uses the + * default script value gets triggered either by setting or reading a + * face-specific property like @glyph-to-script-map, or by auto-hinting + * any glyph from that face. In particular, if you have already created + * an @FT_Face structure but not loaded any glyph (using the + * auto-hinter), a change of the default script will affect this face. + * + * @since: + * 2.5.3 + * + */ + + + /************************************************************************** + * + * @property: + * increase-x-height + * + * @description: + * For ppem values in the range 6~<= ppem <= `increase-x-height', round + * up the font's x~height much more often than normally. If the value + * is set to~0, which is the default, this feature is switched off. Use + * this property to improve the legibility of small font sizes if + * necessary. + * + * { + * FT_Library library; + * FT_Face face; + * FT_Prop_IncreaseXHeight prop; + * + * + * FT_Init_FreeType( &library ); + * FT_New_Face( library, "foo.ttf", 0, &face ); + * FT_Set_Char_Size( face, 10 * 64, 0, 72, 0 ); + * + * prop.face = face; + * prop.limit = 14; + * + * FT_Property_Set( library, "autofitter", + * "increase-x-height", &prop ); + * } + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * Set this value right after calling @FT_Set_Char_Size, but before + * loading any glyph (using the auto-hinter). + * + * @since: + * 2.4.11 + * + */ + + + /************************************************************************** + * + * @struct: + * FT_Prop_IncreaseXHeight + * + * @description: + * The data exchange structure for the @increase-x-height property. + * + */ + typedef struct FT_Prop_IncreaseXHeight_ + { + FT_Face face; + FT_UInt limit; + + } FT_Prop_IncreaseXHeight; + + + /************************************************************************** + * + * @property: + * warping + * + * @description: + * *Experimental* *only* + * + * If FreeType gets compiled with option AF_CONFIG_OPTION_USE_WARPER to + * activate the warp hinting code in the auto-hinter, this property + * switches warping on and off. + * + * Warping only works in `normal' auto-hinting mode replacing it. + * The idea of the code is to slightly scale and shift a glyph along + * the non-hinted dimension (which is usually the horizontal axis) so + * that as much of its segments are aligned (more or less) to the grid. + * To find out a glyph's optimal scaling and shifting value, various + * parameter combinations are tried and scored. + * + * By default, warping is off. The example below shows how to switch on + * warping (omitting the error handling). + * + * { + * FT_Library library; + * FT_Bool warping = 1; + * + * + * FT_Init_FreeType( &library ); + * + * FT_Property_Set( library, "autofitter", + * "warping", &warping ); + * } + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * This property can be set via the `FREETYPE_PROPERTIES' environment + * variable (using values 1 and 0 for `on' and `off', respectively). + * + * The warping code can also change advance widths. Have a look at the + * `lsb_delta' and `rsb_delta' fields in the @FT_GlyphSlotRec structure + * for details on improving inter-glyph distances while rendering. + * + * Since warping is a global property of the auto-hinter it is best to + * change its value before rendering any face. Otherwise, you should + * reload all faces that get auto-hinted in `normal' hinting mode. + * + * @since: + * 2.6 + * + */ + + + /* */ + + +FT_END_HEADER + + +#endif /* FTDRIVER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fterrdef.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fterrdef.h new file mode 100644 index 00000000000..8ffd346ca8f --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fterrdef.h @@ -0,0 +1,280 @@ +/***************************************************************************/ +/* */ +/* fterrdef.h */ +/* */ +/* FreeType error codes (specification). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* error_code_values */ + /* */ + /* <Title> */ + /* Error Code Values */ + /* */ + /* <Abstract> */ + /* All possible error codes returned by FreeType functions. */ + /* */ + /* <Description> */ + /* The list below is taken verbatim from the file `fterrdef.h' */ + /* (loaded automatically by including `FT_FREETYPE_H'). The first */ + /* argument of the `FT_ERROR_DEF_' macro is the error label; by */ + /* default, the prefix `FT_Err_' gets added so that you get error */ + /* names like `FT_Err_Cannot_Open_Resource'. The second argument is */ + /* the error code, and the last argument an error string, which is not */ + /* used by FreeType. */ + /* */ + /* Within your application you should *only* use error names and */ + /* *never* its numeric values! The latter might (and actually do) */ + /* change in forthcoming FreeType versions. */ + /* */ + /* Macro `FT_NOERRORDEF_' defines `FT_Err_Ok', which is always zero. */ + /* See the `Error Enumerations' subsection how to automatically */ + /* generate a list of error strings. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_Err_XXX */ + /* */ + /*************************************************************************/ + + /* generic errors */ + + FT_NOERRORDEF_( Ok, 0x00, + "no error" ) + + FT_ERRORDEF_( Cannot_Open_Resource, 0x01, + "cannot open resource" ) + FT_ERRORDEF_( Unknown_File_Format, 0x02, + "unknown file format" ) + FT_ERRORDEF_( Invalid_File_Format, 0x03, + "broken file" ) + FT_ERRORDEF_( Invalid_Version, 0x04, + "invalid FreeType version" ) + FT_ERRORDEF_( Lower_Module_Version, 0x05, + "module version is too low" ) + FT_ERRORDEF_( Invalid_Argument, 0x06, + "invalid argument" ) + FT_ERRORDEF_( Unimplemented_Feature, 0x07, + "unimplemented feature" ) + FT_ERRORDEF_( Invalid_Table, 0x08, + "broken table" ) + FT_ERRORDEF_( Invalid_Offset, 0x09, + "broken offset within table" ) + FT_ERRORDEF_( Array_Too_Large, 0x0A, + "array allocation size too large" ) + FT_ERRORDEF_( Missing_Module, 0x0B, + "missing module" ) + FT_ERRORDEF_( Missing_Property, 0x0C, + "missing property" ) + + /* glyph/character errors */ + + FT_ERRORDEF_( Invalid_Glyph_Index, 0x10, + "invalid glyph index" ) + FT_ERRORDEF_( Invalid_Character_Code, 0x11, + "invalid character code" ) + FT_ERRORDEF_( Invalid_Glyph_Format, 0x12, + "unsupported glyph image format" ) + FT_ERRORDEF_( Cannot_Render_Glyph, 0x13, + "cannot render this glyph format" ) + FT_ERRORDEF_( Invalid_Outline, 0x14, + "invalid outline" ) + FT_ERRORDEF_( Invalid_Composite, 0x15, + "invalid composite glyph" ) + FT_ERRORDEF_( Too_Many_Hints, 0x16, + "too many hints" ) + FT_ERRORDEF_( Invalid_Pixel_Size, 0x17, + "invalid pixel size" ) + + /* handle errors */ + + FT_ERRORDEF_( Invalid_Handle, 0x20, + "invalid object handle" ) + FT_ERRORDEF_( Invalid_Library_Handle, 0x21, + "invalid library handle" ) + FT_ERRORDEF_( Invalid_Driver_Handle, 0x22, + "invalid module handle" ) + FT_ERRORDEF_( Invalid_Face_Handle, 0x23, + "invalid face handle" ) + FT_ERRORDEF_( Invalid_Size_Handle, 0x24, + "invalid size handle" ) + FT_ERRORDEF_( Invalid_Slot_Handle, 0x25, + "invalid glyph slot handle" ) + FT_ERRORDEF_( Invalid_CharMap_Handle, 0x26, + "invalid charmap handle" ) + FT_ERRORDEF_( Invalid_Cache_Handle, 0x27, + "invalid cache manager handle" ) + FT_ERRORDEF_( Invalid_Stream_Handle, 0x28, + "invalid stream handle" ) + + /* driver errors */ + + FT_ERRORDEF_( Too_Many_Drivers, 0x30, + "too many modules" ) + FT_ERRORDEF_( Too_Many_Extensions, 0x31, + "too many extensions" ) + + /* memory errors */ + + FT_ERRORDEF_( Out_Of_Memory, 0x40, + "out of memory" ) + FT_ERRORDEF_( Unlisted_Object, 0x41, + "unlisted object" ) + + /* stream errors */ + + FT_ERRORDEF_( Cannot_Open_Stream, 0x51, + "cannot open stream" ) + FT_ERRORDEF_( Invalid_Stream_Seek, 0x52, + "invalid stream seek" ) + FT_ERRORDEF_( Invalid_Stream_Skip, 0x53, + "invalid stream skip" ) + FT_ERRORDEF_( Invalid_Stream_Read, 0x54, + "invalid stream read" ) + FT_ERRORDEF_( Invalid_Stream_Operation, 0x55, + "invalid stream operation" ) + FT_ERRORDEF_( Invalid_Frame_Operation, 0x56, + "invalid frame operation" ) + FT_ERRORDEF_( Nested_Frame_Access, 0x57, + "nested frame access" ) + FT_ERRORDEF_( Invalid_Frame_Read, 0x58, + "invalid frame read" ) + + /* raster errors */ + + FT_ERRORDEF_( Raster_Uninitialized, 0x60, + "raster uninitialized" ) + FT_ERRORDEF_( Raster_Corrupted, 0x61, + "raster corrupted" ) + FT_ERRORDEF_( Raster_Overflow, 0x62, + "raster overflow" ) + FT_ERRORDEF_( Raster_Negative_Height, 0x63, + "negative height while rastering" ) + + /* cache errors */ + + FT_ERRORDEF_( Too_Many_Caches, 0x70, + "too many registered caches" ) + + /* TrueType and SFNT errors */ + + FT_ERRORDEF_( Invalid_Opcode, 0x80, + "invalid opcode" ) + FT_ERRORDEF_( Too_Few_Arguments, 0x81, + "too few arguments" ) + FT_ERRORDEF_( Stack_Overflow, 0x82, + "stack overflow" ) + FT_ERRORDEF_( Code_Overflow, 0x83, + "code overflow" ) + FT_ERRORDEF_( Bad_Argument, 0x84, + "bad argument" ) + FT_ERRORDEF_( Divide_By_Zero, 0x85, + "division by zero" ) + FT_ERRORDEF_( Invalid_Reference, 0x86, + "invalid reference" ) + FT_ERRORDEF_( Debug_OpCode, 0x87, + "found debug opcode" ) + FT_ERRORDEF_( ENDF_In_Exec_Stream, 0x88, + "found ENDF opcode in execution stream" ) + FT_ERRORDEF_( Nested_DEFS, 0x89, + "nested DEFS" ) + FT_ERRORDEF_( Invalid_CodeRange, 0x8A, + "invalid code range" ) + FT_ERRORDEF_( Execution_Too_Long, 0x8B, + "execution context too long" ) + FT_ERRORDEF_( Too_Many_Function_Defs, 0x8C, + "too many function definitions" ) + FT_ERRORDEF_( Too_Many_Instruction_Defs, 0x8D, + "too many instruction definitions" ) + FT_ERRORDEF_( Table_Missing, 0x8E, + "SFNT font table missing" ) + FT_ERRORDEF_( Horiz_Header_Missing, 0x8F, + "horizontal header (hhea) table missing" ) + FT_ERRORDEF_( Locations_Missing, 0x90, + "locations (loca) table missing" ) + FT_ERRORDEF_( Name_Table_Missing, 0x91, + "name table missing" ) + FT_ERRORDEF_( CMap_Table_Missing, 0x92, + "character map (cmap) table missing" ) + FT_ERRORDEF_( Hmtx_Table_Missing, 0x93, + "horizontal metrics (hmtx) table missing" ) + FT_ERRORDEF_( Post_Table_Missing, 0x94, + "PostScript (post) table missing" ) + FT_ERRORDEF_( Invalid_Horiz_Metrics, 0x95, + "invalid horizontal metrics" ) + FT_ERRORDEF_( Invalid_CharMap_Format, 0x96, + "invalid character map (cmap) format" ) + FT_ERRORDEF_( Invalid_PPem, 0x97, + "invalid ppem value" ) + FT_ERRORDEF_( Invalid_Vert_Metrics, 0x98, + "invalid vertical metrics" ) + FT_ERRORDEF_( Could_Not_Find_Context, 0x99, + "could not find context" ) + FT_ERRORDEF_( Invalid_Post_Table_Format, 0x9A, + "invalid PostScript (post) table format" ) + FT_ERRORDEF_( Invalid_Post_Table, 0x9B, + "invalid PostScript (post) table" ) + FT_ERRORDEF_( DEF_In_Glyf_Bytecode, 0x9C, + "found FDEF or IDEF opcode in glyf bytecode" ) + FT_ERRORDEF_( Missing_Bitmap, 0x9D, + "missing bitmap in strike" ) + + /* CFF, CID, and Type 1 errors */ + + FT_ERRORDEF_( Syntax_Error, 0xA0, + "opcode syntax error" ) + FT_ERRORDEF_( Stack_Underflow, 0xA1, + "argument stack underflow" ) + FT_ERRORDEF_( Ignore, 0xA2, + "ignore" ) + FT_ERRORDEF_( No_Unicode_Glyph_Name, 0xA3, + "no Unicode glyph name found" ) + FT_ERRORDEF_( Glyph_Too_Big, 0xA4, + "glyph too big for hinting" ) + + /* BDF errors */ + + FT_ERRORDEF_( Missing_Startfont_Field, 0xB0, + "`STARTFONT' field missing" ) + FT_ERRORDEF_( Missing_Font_Field, 0xB1, + "`FONT' field missing" ) + FT_ERRORDEF_( Missing_Size_Field, 0xB2, + "`SIZE' field missing" ) + FT_ERRORDEF_( Missing_Fontboundingbox_Field, 0xB3, + "`FONTBOUNDINGBOX' field missing" ) + FT_ERRORDEF_( Missing_Chars_Field, 0xB4, + "`CHARS' field missing" ) + FT_ERRORDEF_( Missing_Startchar_Field, 0xB5, + "`STARTCHAR' field missing" ) + FT_ERRORDEF_( Missing_Encoding_Field, 0xB6, + "`ENCODING' field missing" ) + FT_ERRORDEF_( Missing_Bbx_Field, 0xB7, + "`BBX' field missing" ) + FT_ERRORDEF_( Bbx_Too_Big, 0xB8, + "`BBX' too big" ) + FT_ERRORDEF_( Corrupted_Font_Header, 0xB9, + "Font header corrupted or missing fields" ) + FT_ERRORDEF_( Corrupted_Font_Glyphs, 0xBA, + "Font glyphs corrupted or missing fields" ) + + /* */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fterrors.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fterrors.h new file mode 100644 index 00000000000..f6ee5c24e28 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fterrors.h @@ -0,0 +1,226 @@ +/***************************************************************************/ +/* */ +/* fterrors.h */ +/* */ +/* FreeType error code handling (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* error_enumerations */ + /* */ + /* <Title> */ + /* Error Enumerations */ + /* */ + /* <Abstract> */ + /* How to handle errors and error strings. */ + /* */ + /* <Description> */ + /* The header file `fterrors.h' (which is automatically included by */ + /* `freetype.h' defines the handling of FreeType's enumeration */ + /* constants. It can also be used to generate error message strings */ + /* with a small macro trick explained below. */ + /* */ + /* *Error* *Formats* */ + /* */ + /* The configuration macro FT_CONFIG_OPTION_USE_MODULE_ERRORS can be */ + /* defined in `ftoption.h' in order to make the higher byte indicate */ + /* the module where the error has happened (this is not compatible */ + /* with standard builds of FreeType~2, however). See the file */ + /* `ftmoderr.h' for more details. */ + /* */ + /* *Error* *Message* *Strings* */ + /* */ + /* Error definitions are set up with special macros that allow client */ + /* applications to build a table of error message strings. The */ + /* strings are not included in a normal build of FreeType~2 to save */ + /* space (most client applications do not use them). */ + /* */ + /* To do so, you have to define the following macros before including */ + /* this file. */ + /* */ + /* { */ + /* FT_ERROR_START_LIST */ + /* } */ + /* */ + /* This macro is called before anything else to define the start of */ + /* the error list. It is followed by several FT_ERROR_DEF calls. */ + /* */ + /* { */ + /* FT_ERROR_DEF( e, v, s ) */ + /* } */ + /* */ + /* This macro is called to define one single error. `e' is the error */ + /* code identifier (e.g., `Invalid_Argument'), `v' is the error's */ + /* numerical value, and `s' is the corresponding error string. */ + /* */ + /* { */ + /* FT_ERROR_END_LIST */ + /* } */ + /* */ + /* This macro ends the list. */ + /* */ + /* Additionally, you have to undefine `FTERRORS_H_' before #including */ + /* this file. */ + /* */ + /* Here is a simple example. */ + /* */ + /* { */ + /* #undef FTERRORS_H_ */ + /* #define FT_ERRORDEF( e, v, s ) { e, s }, */ + /* #define FT_ERROR_START_LIST { */ + /* #define FT_ERROR_END_LIST { 0, NULL } }; */ + /* */ + /* const struct */ + /* { */ + /* int err_code; */ + /* const char* err_msg; */ + /* } ft_errors[] = */ + /* */ + /* #include FT_ERRORS_H */ + /* } */ + /* */ + /* Note that `FT_Err_Ok' is _not_ defined with `FT_ERRORDEF' but with */ + /* `FT_NOERRORDEF'; it is always zero. */ + /* */ + /*************************************************************************/ + + /* */ + + /* In previous FreeType versions we used `__FTERRORS_H__'. However, */ + /* using two successive underscores in a non-system symbol name */ + /* violates the C (and C++) standard, so it was changed to the */ + /* current form. In spite of this, we have to make */ + /* */ + /* #undefine __FTERRORS_H__ */ + /* */ + /* work for backward compatibility. */ + /* */ +#if !( defined( FTERRORS_H_ ) && defined ( __FTERRORS_H__ ) ) +#define FTERRORS_H_ +#define __FTERRORS_H__ + + + /* include module base error codes */ +#include FT_MODULE_ERRORS_H + + + /*******************************************************************/ + /*******************************************************************/ + /***** *****/ + /***** SETUP MACROS *****/ + /***** *****/ + /*******************************************************************/ + /*******************************************************************/ + + +#undef FT_NEED_EXTERN_C + + + /* FT_ERR_PREFIX is used as a prefix for error identifiers. */ + /* By default, we use `FT_Err_'. */ + /* */ +#ifndef FT_ERR_PREFIX +#define FT_ERR_PREFIX FT_Err_ +#endif + + + /* FT_ERR_BASE is used as the base for module-specific errors. */ + /* */ +#ifdef FT_CONFIG_OPTION_USE_MODULE_ERRORS + +#ifndef FT_ERR_BASE +#define FT_ERR_BASE FT_Mod_Err_Base +#endif + +#else + +#undef FT_ERR_BASE +#define FT_ERR_BASE 0 + +#endif /* FT_CONFIG_OPTION_USE_MODULE_ERRORS */ + + + /* If FT_ERRORDEF is not defined, we need to define a simple */ + /* enumeration type. */ + /* */ +#ifndef FT_ERRORDEF + +#define FT_ERRORDEF( e, v, s ) e = v, +#define FT_ERROR_START_LIST enum { +#define FT_ERROR_END_LIST FT_ERR_CAT( FT_ERR_PREFIX, Max ) }; + +#ifdef __cplusplus +#define FT_NEED_EXTERN_C + extern "C" { +#endif + +#endif /* !FT_ERRORDEF */ + + + /* this macro is used to define an error */ +#define FT_ERRORDEF_( e, v, s ) \ + FT_ERRORDEF( FT_ERR_CAT( FT_ERR_PREFIX, e ), v + FT_ERR_BASE, s ) + + /* this is only used for <module>_Err_Ok, which must be 0! */ +#define FT_NOERRORDEF_( e, v, s ) \ + FT_ERRORDEF( FT_ERR_CAT( FT_ERR_PREFIX, e ), v, s ) + + +#ifdef FT_ERROR_START_LIST + FT_ERROR_START_LIST +#endif + + + /* now include the error codes */ +#include FT_ERROR_DEFINITIONS_H + + +#ifdef FT_ERROR_END_LIST + FT_ERROR_END_LIST +#endif + + + /*******************************************************************/ + /*******************************************************************/ + /***** *****/ + /***** SIMPLE CLEANUP *****/ + /***** *****/ + /*******************************************************************/ + /*******************************************************************/ + +#ifdef FT_NEED_EXTERN_C + } +#endif + +#undef FT_ERROR_START_LIST +#undef FT_ERROR_END_LIST + +#undef FT_ERRORDEF +#undef FT_ERRORDEF_ +#undef FT_NOERRORDEF_ + +#undef FT_NEED_EXTERN_C +#undef FT_ERR_BASE + + /* FT_ERR_PREFIX is needed internally */ +#ifndef FT2_BUILD_LIBRARY +#undef FT_ERR_PREFIX +#endif + +#endif /* !(FTERRORS_H_ && __FTERRORS_H__) */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftfntfmt.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftfntfmt.h new file mode 100644 index 00000000000..cc86efac23b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftfntfmt.h @@ -0,0 +1,95 @@ +/***************************************************************************/ +/* */ +/* ftfntfmt.h */ +/* */ +/* Support functions for font formats. */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTFNTFMT_H_ +#define FTFNTFMT_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* font_formats */ + /* */ + /* <Title> */ + /* Font Formats */ + /* */ + /* <Abstract> */ + /* Getting the font format. */ + /* */ + /* <Description> */ + /* The single function in this section can be used to get the font */ + /* format. Note that this information is not needed normally; */ + /* however, there are special cases (like in PDF devices) where it is */ + /* important to differentiate, in spite of FreeType's uniform API. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Font_Format */ + /* */ + /* <Description> */ + /* Return a string describing the format of a given face. Possible */ + /* values are `TrueType', `Type~1', `BDF', `PCF', `Type~42', */ + /* `CID~Type~1', `CFF', `PFR', and `Windows~FNT'. */ + /* */ + /* The return value is suitable to be used as an X11 FONT_PROPERTY. */ + /* */ + /* <Input> */ + /* face :: */ + /* Input face handle. */ + /* */ + /* <Return> */ + /* Font format string. NULL in case of error. */ + /* */ + /* <Note> */ + /* A deprecated name for the same function is */ + /* `FT_Get_X11_Font_Format'. */ + /* */ + FT_EXPORT( const char* ) + FT_Get_Font_Format( FT_Face face ); + + + /* deprecated */ + FT_EXPORT( const char* ) + FT_Get_X11_Font_Format( FT_Face face ); + + + /* */ + + +FT_END_HEADER + +#endif /* FTFNTFMT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftgasp.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftgasp.h new file mode 100644 index 00000000000..9b54fc86a08 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftgasp.h @@ -0,0 +1,137 @@ +/***************************************************************************/ +/* */ +/* ftgasp.h */ +/* */ +/* Access of TrueType's `gasp' table (specification). */ +/* */ +/* Copyright 2007-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTGASP_H_ +#define FTGASP_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + + /*************************************************************************** + * + * @section: + * gasp_table + * + * @title: + * Gasp Table + * + * @abstract: + * Retrieving TrueType `gasp' table entries. + * + * @description: + * The function @FT_Get_Gasp can be used to query a TrueType or OpenType + * font for specific entries in its `gasp' table, if any. This is + * mainly useful when implementing native TrueType hinting with the + * bytecode interpreter to duplicate the Windows text rendering results. + */ + + /************************************************************************* + * + * @enum: + * FT_GASP_XXX + * + * @description: + * A list of values and/or bit-flags returned by the @FT_Get_Gasp + * function. + * + * @values: + * FT_GASP_NO_TABLE :: + * This special value means that there is no GASP table in this face. + * It is up to the client to decide what to do. + * + * FT_GASP_DO_GRIDFIT :: + * Grid-fitting and hinting should be performed at the specified ppem. + * This *really* means TrueType bytecode interpretation. If this bit + * is not set, no hinting gets applied. + * + * FT_GASP_DO_GRAY :: + * Anti-aliased rendering should be performed at the specified ppem. + * If not set, do monochrome rendering. + * + * FT_GASP_SYMMETRIC_SMOOTHING :: + * If set, smoothing along multiple axes must be used with ClearType. + * + * FT_GASP_SYMMETRIC_GRIDFIT :: + * Grid-fitting must be used with ClearType's symmetric smoothing. + * + * @note: + * The bit-flags `FT_GASP_DO_GRIDFIT' and `FT_GASP_DO_GRAY' are to be + * used for standard font rasterization only. Independently of that, + * `FT_GASP_SYMMETRIC_SMOOTHING' and `FT_GASP_SYMMETRIC_GRIDFIT' are to + * be used if ClearType is enabled (and `FT_GASP_DO_GRIDFIT' and + * `FT_GASP_DO_GRAY' are consequently ignored). + * + * `ClearType' is Microsoft's implementation of LCD rendering, partly + * protected by patents. + * + * @since: + * 2.3.0 + */ +#define FT_GASP_NO_TABLE -1 +#define FT_GASP_DO_GRIDFIT 0x01 +#define FT_GASP_DO_GRAY 0x02 +#define FT_GASP_SYMMETRIC_GRIDFIT 0x04 +#define FT_GASP_SYMMETRIC_SMOOTHING 0x08 + + + /************************************************************************* + * + * @func: + * FT_Get_Gasp + * + * @description: + * For a TrueType or OpenType font file, return the rasterizer behaviour + * flags from the font's `gasp' table corresponding to a given + * character pixel size. + * + * @input: + * face :: The source face handle. + * + * ppem :: The vertical character pixel size. + * + * @return: + * Bit flags (see @FT_GASP_XXX), or @FT_GASP_NO_TABLE if there is no + * `gasp' table in the face. + * + * @note: + * If you want to use the MM functionality of OpenType variation fonts + * (i.e., using @FT_Set_Var_Design_Coordinates and friends), call this + * function *after* setting an instance since the return values can + * change. + * + * @since: + * 2.3.0 + */ + FT_EXPORT( FT_Int ) + FT_Get_Gasp( FT_Face face, + FT_UInt ppem ); + + /* */ + + +#endif /* FTGASP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftglyph.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftglyph.h new file mode 100644 index 00000000000..5f3fc009cd4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftglyph.h @@ -0,0 +1,614 @@ +/***************************************************************************/ +/* */ +/* ftglyph.h */ +/* */ +/* FreeType convenience functions to handle glyphs (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file contains the definition of several convenience functions */ + /* that can be used by client applications to easily retrieve glyph */ + /* bitmaps and outlines from a given face. */ + /* */ + /* These functions should be optional if you are writing a font server */ + /* or text layout engine on top of FreeType. However, they are pretty */ + /* handy for many other simple uses of the library. */ + /* */ + /*************************************************************************/ + + +#ifndef FTGLYPH_H_ +#define FTGLYPH_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* glyph_management */ + /* */ + /* <Title> */ + /* Glyph Management */ + /* */ + /* <Abstract> */ + /* Generic interface to manage individual glyph data. */ + /* */ + /* <Description> */ + /* This section contains definitions used to manage glyph data */ + /* through generic FT_Glyph objects. Each of them can contain a */ + /* bitmap, a vector outline, or even images in other formats. */ + /* */ + /*************************************************************************/ + + + /* forward declaration to a private type */ + typedef struct FT_Glyph_Class_ FT_Glyph_Class; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Glyph */ + /* */ + /* <Description> */ + /* Handle to an object used to model generic glyph images. It is a */ + /* pointer to the @FT_GlyphRec structure and can contain a glyph */ + /* bitmap or pointer. */ + /* */ + /* <Note> */ + /* Glyph objects are not owned by the library. You must thus release */ + /* them manually (through @FT_Done_Glyph) _before_ calling */ + /* @FT_Done_FreeType. */ + /* */ + typedef struct FT_GlyphRec_* FT_Glyph; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_GlyphRec */ + /* */ + /* <Description> */ + /* The root glyph structure contains a given glyph image plus its */ + /* advance width in 16.16 fixed-point format. */ + /* */ + /* <Fields> */ + /* library :: A handle to the FreeType library object. */ + /* */ + /* clazz :: A pointer to the glyph's class. Private. */ + /* */ + /* format :: The format of the glyph's image. */ + /* */ + /* advance :: A 16.16 vector that gives the glyph's advance width. */ + /* */ + typedef struct FT_GlyphRec_ + { + FT_Library library; + const FT_Glyph_Class* clazz; + FT_Glyph_Format format; + FT_Vector advance; + + } FT_GlyphRec; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_BitmapGlyph */ + /* */ + /* <Description> */ + /* A handle to an object used to model a bitmap glyph image. This is */ + /* a sub-class of @FT_Glyph, and a pointer to @FT_BitmapGlyphRec. */ + /* */ + typedef struct FT_BitmapGlyphRec_* FT_BitmapGlyph; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_BitmapGlyphRec */ + /* */ + /* <Description> */ + /* A structure used for bitmap glyph images. This really is a */ + /* `sub-class' of @FT_GlyphRec. */ + /* */ + /* <Fields> */ + /* root :: The root @FT_Glyph fields. */ + /* */ + /* left :: The left-side bearing, i.e., the horizontal distance */ + /* from the current pen position to the left border of the */ + /* glyph bitmap. */ + /* */ + /* top :: The top-side bearing, i.e., the vertical distance from */ + /* the current pen position to the top border of the glyph */ + /* bitmap. This distance is positive for upwards~y! */ + /* */ + /* bitmap :: A descriptor for the bitmap. */ + /* */ + /* <Note> */ + /* You can typecast an @FT_Glyph to @FT_BitmapGlyph if you have */ + /* `glyph->format == FT_GLYPH_FORMAT_BITMAP'. This lets you access */ + /* the bitmap's contents easily. */ + /* */ + /* The corresponding pixel buffer is always owned by @FT_BitmapGlyph */ + /* and is thus created and destroyed with it. */ + /* */ + typedef struct FT_BitmapGlyphRec_ + { + FT_GlyphRec root; + FT_Int left; + FT_Int top; + FT_Bitmap bitmap; + + } FT_BitmapGlyphRec; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_OutlineGlyph */ + /* */ + /* <Description> */ + /* A handle to an object used to model an outline glyph image. This */ + /* is a sub-class of @FT_Glyph, and a pointer to @FT_OutlineGlyphRec. */ + /* */ + typedef struct FT_OutlineGlyphRec_* FT_OutlineGlyph; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_OutlineGlyphRec */ + /* */ + /* <Description> */ + /* A structure used for outline (vectorial) glyph images. This */ + /* really is a `sub-class' of @FT_GlyphRec. */ + /* */ + /* <Fields> */ + /* root :: The root @FT_Glyph fields. */ + /* */ + /* outline :: A descriptor for the outline. */ + /* */ + /* <Note> */ + /* You can typecast an @FT_Glyph to @FT_OutlineGlyph if you have */ + /* `glyph->format == FT_GLYPH_FORMAT_OUTLINE'. This lets you access */ + /* the outline's content easily. */ + /* */ + /* As the outline is extracted from a glyph slot, its coordinates are */ + /* expressed normally in 26.6 pixels, unless the flag */ + /* @FT_LOAD_NO_SCALE was used in @FT_Load_Glyph() or @FT_Load_Char(). */ + /* */ + /* The outline's tables are always owned by the object and are */ + /* destroyed with it. */ + /* */ + typedef struct FT_OutlineGlyphRec_ + { + FT_GlyphRec root; + FT_Outline outline; + + } FT_OutlineGlyphRec; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Glyph */ + /* */ + /* <Description> */ + /* A function used to extract a glyph image from a slot. Note that */ + /* the created @FT_Glyph object must be released with @FT_Done_Glyph. */ + /* */ + /* <Input> */ + /* slot :: A handle to the source glyph slot. */ + /* */ + /* <Output> */ + /* aglyph :: A handle to the glyph object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* Because `*aglyph->advance.x' and '*aglyph->advance.y' are 16.16 */ + /* fixed-point numbers, `slot->advance.x' and `slot->advance.y' */ + /* (which are in 26.6 fixed-point format) must be in the range */ + /* ]-32768;32768[. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Glyph( FT_GlyphSlot slot, + FT_Glyph *aglyph ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Glyph_Copy */ + /* */ + /* <Description> */ + /* A function used to copy a glyph image. Note that the created */ + /* @FT_Glyph object must be released with @FT_Done_Glyph. */ + /* */ + /* <Input> */ + /* source :: A handle to the source glyph object. */ + /* */ + /* <Output> */ + /* target :: A handle to the target glyph object. 0~in case of */ + /* error. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Glyph_Copy( FT_Glyph source, + FT_Glyph *target ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Glyph_Transform */ + /* */ + /* <Description> */ + /* Transform a glyph image if its format is scalable. */ + /* */ + /* <InOut> */ + /* glyph :: A handle to the target glyph object. */ + /* */ + /* <Input> */ + /* matrix :: A pointer to a 2x2 matrix to apply. */ + /* */ + /* delta :: A pointer to a 2d vector to apply. Coordinates are */ + /* expressed in 1/64th of a pixel. */ + /* */ + /* <Return> */ + /* FreeType error code (if not 0, the glyph format is not scalable). */ + /* */ + /* <Note> */ + /* The 2x2 transformation matrix is also applied to the glyph's */ + /* advance vector. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Glyph_Transform( FT_Glyph glyph, + FT_Matrix* matrix, + FT_Vector* delta ); + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_Glyph_BBox_Mode */ + /* */ + /* <Description> */ + /* The mode how the values of @FT_Glyph_Get_CBox are returned. */ + /* */ + /* <Values> */ + /* FT_GLYPH_BBOX_UNSCALED :: */ + /* Return unscaled font units. */ + /* */ + /* FT_GLYPH_BBOX_SUBPIXELS :: */ + /* Return unfitted 26.6 coordinates. */ + /* */ + /* FT_GLYPH_BBOX_GRIDFIT :: */ + /* Return grid-fitted 26.6 coordinates. */ + /* */ + /* FT_GLYPH_BBOX_TRUNCATE :: */ + /* Return coordinates in integer pixels. */ + /* */ + /* FT_GLYPH_BBOX_PIXELS :: */ + /* Return grid-fitted pixel coordinates. */ + /* */ + typedef enum FT_Glyph_BBox_Mode_ + { + FT_GLYPH_BBOX_UNSCALED = 0, + FT_GLYPH_BBOX_SUBPIXELS = 0, + FT_GLYPH_BBOX_GRIDFIT = 1, + FT_GLYPH_BBOX_TRUNCATE = 2, + FT_GLYPH_BBOX_PIXELS = 3 + + } FT_Glyph_BBox_Mode; + + + /* these constants are deprecated; use the corresponding */ + /* `FT_Glyph_BBox_Mode' values instead */ +#define ft_glyph_bbox_unscaled FT_GLYPH_BBOX_UNSCALED +#define ft_glyph_bbox_subpixels FT_GLYPH_BBOX_SUBPIXELS +#define ft_glyph_bbox_gridfit FT_GLYPH_BBOX_GRIDFIT +#define ft_glyph_bbox_truncate FT_GLYPH_BBOX_TRUNCATE +#define ft_glyph_bbox_pixels FT_GLYPH_BBOX_PIXELS + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Glyph_Get_CBox */ + /* */ + /* <Description> */ + /* Return a glyph's `control box'. The control box encloses all the */ + /* outline's points, including Bezier control points. Though it */ + /* coincides with the exact bounding box for most glyphs, it can be */ + /* slightly larger in some situations (like when rotating an outline */ + /* that contains Bezier outside arcs). */ + /* */ + /* Computing the control box is very fast, while getting the bounding */ + /* box can take much more time as it needs to walk over all segments */ + /* and arcs in the outline. To get the latter, you can use the */ + /* `ftbbox' component, which is dedicated to this single task. */ + /* */ + /* <Input> */ + /* glyph :: A handle to the source glyph object. */ + /* */ + /* mode :: The mode that indicates how to interpret the returned */ + /* bounding box values. */ + /* */ + /* <Output> */ + /* acbox :: The glyph coordinate bounding box. Coordinates are */ + /* expressed in 1/64th of pixels if it is grid-fitted. */ + /* */ + /* <Note> */ + /* Coordinates are relative to the glyph origin, using the y~upwards */ + /* convention. */ + /* */ + /* If the glyph has been loaded with @FT_LOAD_NO_SCALE, `bbox_mode' */ + /* must be set to @FT_GLYPH_BBOX_UNSCALED to get unscaled font */ + /* units in 26.6 pixel format. The value @FT_GLYPH_BBOX_SUBPIXELS */ + /* is another name for this constant. */ + /* */ + /* If the font is tricky and the glyph has been loaded with */ + /* @FT_LOAD_NO_SCALE, the resulting CBox is meaningless. To get */ + /* reasonable values for the CBox it is necessary to load the glyph */ + /* at a large ppem value (so that the hinting instructions can */ + /* properly shift and scale the subglyphs), then extracting the CBox, */ + /* which can be eventually converted back to font units. */ + /* */ + /* Note that the maximum coordinates are exclusive, which means that */ + /* one can compute the width and height of the glyph image (be it in */ + /* integer or 26.6 pixels) as: */ + /* */ + /* { */ + /* width = bbox.xMax - bbox.xMin; */ + /* height = bbox.yMax - bbox.yMin; */ + /* } */ + /* */ + /* Note also that for 26.6 coordinates, if `bbox_mode' is set to */ + /* @FT_GLYPH_BBOX_GRIDFIT, the coordinates will also be grid-fitted, */ + /* which corresponds to: */ + /* */ + /* { */ + /* bbox.xMin = FLOOR(bbox.xMin); */ + /* bbox.yMin = FLOOR(bbox.yMin); */ + /* bbox.xMax = CEILING(bbox.xMax); */ + /* bbox.yMax = CEILING(bbox.yMax); */ + /* } */ + /* */ + /* To get the bbox in pixel coordinates, set `bbox_mode' to */ + /* @FT_GLYPH_BBOX_TRUNCATE. */ + /* */ + /* To get the bbox in grid-fitted pixel coordinates, set `bbox_mode' */ + /* to @FT_GLYPH_BBOX_PIXELS. */ + /* */ + FT_EXPORT( void ) + FT_Glyph_Get_CBox( FT_Glyph glyph, + FT_UInt bbox_mode, + FT_BBox *acbox ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Glyph_To_Bitmap */ + /* */ + /* <Description> */ + /* Convert a given glyph object to a bitmap glyph object. */ + /* */ + /* <InOut> */ + /* the_glyph :: A pointer to a handle to the target glyph. */ + /* */ + /* <Input> */ + /* render_mode :: An enumeration that describes how the data is */ + /* rendered. */ + /* */ + /* origin :: A pointer to a vector used to translate the glyph */ + /* image before rendering. Can be~0 (if no */ + /* translation). The origin is expressed in */ + /* 26.6 pixels. */ + /* */ + /* destroy :: A boolean that indicates that the original glyph */ + /* image should be destroyed by this function. It is */ + /* never destroyed in case of error. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* This function does nothing if the glyph format isn't scalable. */ + /* */ + /* The glyph image is translated with the `origin' vector before */ + /* rendering. */ + /* */ + /* The first parameter is a pointer to an @FT_Glyph handle, that will */ + /* be _replaced_ by this function (with newly allocated data). */ + /* Typically, you would use (omitting error handling): */ + /* */ + /* */ + /* { */ + /* FT_Glyph glyph; */ + /* FT_BitmapGlyph glyph_bitmap; */ + /* */ + /* */ + /* // load glyph */ + /* error = FT_Load_Char( face, glyph_index, FT_LOAD_DEFAULT ); */ + /* */ + /* // extract glyph image */ + /* error = FT_Get_Glyph( face->glyph, &glyph ); */ + /* */ + /* // convert to a bitmap (default render mode + destroying old) */ + /* if ( glyph->format != FT_GLYPH_FORMAT_BITMAP ) */ + /* { */ + /* error = FT_Glyph_To_Bitmap( &glyph, FT_RENDER_MODE_NORMAL, */ + /* 0, 1 ); */ + /* if ( error ) // `glyph' unchanged */ + /* ... */ + /* } */ + /* */ + /* // access bitmap content by typecasting */ + /* glyph_bitmap = (FT_BitmapGlyph)glyph; */ + /* */ + /* // do funny stuff with it, like blitting/drawing */ + /* ... */ + /* */ + /* // discard glyph image (bitmap or not) */ + /* FT_Done_Glyph( glyph ); */ + /* } */ + /* */ + /* */ + /* Here another example, again without error handling: */ + /* */ + /* */ + /* { */ + /* FT_Glyph glyphs[MAX_GLYPHS] */ + /* */ + /* */ + /* ... */ + /* */ + /* for ( idx = 0; i < MAX_GLYPHS; i++ ) */ + /* error = FT_Load_Glyph( face, idx, FT_LOAD_DEFAULT ) || */ + /* FT_Get_Glyph ( face->glyph, &glyph[idx] ); */ + /* */ + /* ... */ + /* */ + /* for ( idx = 0; i < MAX_GLYPHS; i++ ) */ + /* { */ + /* FT_Glyph bitmap = glyphs[idx]; */ + /* */ + /* */ + /* ... */ + /* */ + /* // after this call, `bitmap' no longer points into */ + /* // the `glyphs' array (and the old value isn't destroyed) */ + /* FT_Glyph_To_Bitmap( &bitmap, FT_RENDER_MODE_MONO, 0, 0 ); */ + /* */ + /* ... */ + /* */ + /* FT_Done_Glyph( bitmap ); */ + /* } */ + /* */ + /* ... */ + /* */ + /* for ( idx = 0; i < MAX_GLYPHS; i++ ) */ + /* FT_Done_Glyph( glyphs[idx] ); */ + /* } */ + /* */ + FT_EXPORT( FT_Error ) + FT_Glyph_To_Bitmap( FT_Glyph* the_glyph, + FT_Render_Mode render_mode, + FT_Vector* origin, + FT_Bool destroy ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Done_Glyph */ + /* */ + /* <Description> */ + /* Destroy a given glyph. */ + /* */ + /* <Input> */ + /* glyph :: A handle to the target glyph object. */ + /* */ + FT_EXPORT( void ) + FT_Done_Glyph( FT_Glyph glyph ); + + /* */ + + + /* other helpful functions */ + + /*************************************************************************/ + /* */ + /* <Section> */ + /* computations */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Matrix_Multiply */ + /* */ + /* <Description> */ + /* Perform the matrix operation `b = a*b'. */ + /* */ + /* <Input> */ + /* a :: A pointer to matrix `a'. */ + /* */ + /* <InOut> */ + /* b :: A pointer to matrix `b'. */ + /* */ + /* <Note> */ + /* The result is undefined if either `a' or `b' is zero. */ + /* */ + /* Since the function uses wrap-around arithmetic, results become */ + /* meaningless if the arguments are very large. */ + /* */ + FT_EXPORT( void ) + FT_Matrix_Multiply( const FT_Matrix* a, + FT_Matrix* b ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Matrix_Invert */ + /* */ + /* <Description> */ + /* Invert a 2x2 matrix. Return an error if it can't be inverted. */ + /* */ + /* <InOut> */ + /* matrix :: A pointer to the target matrix. Remains untouched in */ + /* case of error. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Matrix_Invert( FT_Matrix* matrix ); + + /* */ + + +FT_END_HEADER + +#endif /* FTGLYPH_H_ */ + + +/* END */ + + +/* Local Variables: */ +/* coding: utf-8 */ +/* End: */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftgzip.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftgzip.h new file mode 100644 index 00000000000..db033da0ed2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftgzip.h @@ -0,0 +1,151 @@ +/***************************************************************************/ +/* */ +/* ftgzip.h */ +/* */ +/* Gzip-compressed stream support. */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTGZIP_H_ +#define FTGZIP_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + /*************************************************************************/ + /* */ + /* <Section> */ + /* gzip */ + /* */ + /* <Title> */ + /* GZIP Streams */ + /* */ + /* <Abstract> */ + /* Using gzip-compressed font files. */ + /* */ + /* <Description> */ + /* This section contains the declaration of Gzip-specific functions. */ + /* */ + /*************************************************************************/ + + + /************************************************************************ + * + * @function: + * FT_Stream_OpenGzip + * + * @description: + * Open a new stream to parse gzip-compressed font files. This is + * mainly used to support the compressed `*.pcf.gz' fonts that come + * with XFree86. + * + * @input: + * stream :: + * The target embedding stream. + * + * source :: + * The source stream. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * The source stream must be opened _before_ calling this function. + * + * Calling the internal function `FT_Stream_Close' on the new stream will + * *not* call `FT_Stream_Close' on the source stream. None of the stream + * objects will be released to the heap. + * + * The stream implementation is very basic and resets the decompression + * process each time seeking backwards is needed within the stream. + * + * In certain builds of the library, gzip compression recognition is + * automatically handled when calling @FT_New_Face or @FT_Open_Face. + * This means that if no font driver is capable of handling the raw + * compressed file, the library will try to open a gzipped stream from + * it and re-open the face with it. + * + * This function may return `FT_Err_Unimplemented_Feature' if your build + * of FreeType was not compiled with zlib support. + */ + FT_EXPORT( FT_Error ) + FT_Stream_OpenGzip( FT_Stream stream, + FT_Stream source ); + + + /************************************************************************ + * + * @function: + * FT_Gzip_Uncompress + * + * @description: + * Decompress a zipped input buffer into an output buffer. This function + * is modeled after zlib's `uncompress' function. + * + * @input: + * memory :: + * A FreeType memory handle. + * + * input :: + * The input buffer. + * + * input_len :: + * The length of the input buffer. + * + * @output: + * output:: + * The output buffer. + * + * @inout: + * output_len :: + * Before calling the function, this is the total size of the output + * buffer, which must be large enough to hold the entire uncompressed + * data (so the size of the uncompressed data must be known in + * advance). After calling the function, `output_len' is the size of + * the used data in `output'. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * This function may return `FT_Err_Unimplemented_Feature' if your build + * of FreeType was not compiled with zlib support. + * + * @since: + * 2.5.1 + */ + FT_EXPORT( FT_Error ) + FT_Gzip_Uncompress( FT_Memory memory, + FT_Byte* output, + FT_ULong* output_len, + const FT_Byte* input, + FT_ULong input_len ); + + /* */ + + +FT_END_HEADER + +#endif /* FTGZIP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftimage.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftimage.h new file mode 100644 index 00000000000..79ede1959d7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftimage.h @@ -0,0 +1,1205 @@ +/***************************************************************************/ +/* */ +/* ftimage.h */ +/* */ +/* FreeType glyph image formats and default raster interface */ +/* (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* Note: A `raster' is simply a scan-line converter, used to render */ + /* FT_Outlines into FT_Bitmaps. */ + /* */ + /*************************************************************************/ + + +#ifndef FTIMAGE_H_ +#define FTIMAGE_H_ + + + /* STANDALONE_ is from ftgrays.c */ +#ifndef STANDALONE_ +#include <ft2build.h> +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* basic_types */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Pos */ + /* */ + /* <Description> */ + /* The type FT_Pos is used to store vectorial coordinates. Depending */ + /* on the context, these can represent distances in integer font */ + /* units, or 16.16, or 26.6 fixed-point pixel coordinates. */ + /* */ + typedef signed long FT_Pos; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Vector */ + /* */ + /* <Description> */ + /* A simple structure used to store a 2D vector; coordinates are of */ + /* the FT_Pos type. */ + /* */ + /* <Fields> */ + /* x :: The horizontal coordinate. */ + /* y :: The vertical coordinate. */ + /* */ + typedef struct FT_Vector_ + { + FT_Pos x; + FT_Pos y; + + } FT_Vector; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_BBox */ + /* */ + /* <Description> */ + /* A structure used to hold an outline's bounding box, i.e., the */ + /* coordinates of its extrema in the horizontal and vertical */ + /* directions. */ + /* */ + /* <Fields> */ + /* xMin :: The horizontal minimum (left-most). */ + /* */ + /* yMin :: The vertical minimum (bottom-most). */ + /* */ + /* xMax :: The horizontal maximum (right-most). */ + /* */ + /* yMax :: The vertical maximum (top-most). */ + /* */ + /* <Note> */ + /* The bounding box is specified with the coordinates of the lower */ + /* left and the upper right corner. In PostScript, those values are */ + /* often called (llx,lly) and (urx,ury), respectively. */ + /* */ + /* If `yMin' is negative, this value gives the glyph's descender. */ + /* Otherwise, the glyph doesn't descend below the baseline. */ + /* Similarly, if `ymax' is positive, this value gives the glyph's */ + /* ascender. */ + /* */ + /* `xMin' gives the horizontal distance from the glyph's origin to */ + /* the left edge of the glyph's bounding box. If `xMin' is negative, */ + /* the glyph extends to the left of the origin. */ + /* */ + typedef struct FT_BBox_ + { + FT_Pos xMin, yMin; + FT_Pos xMax, yMax; + + } FT_BBox; + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_Pixel_Mode */ + /* */ + /* <Description> */ + /* An enumeration type used to describe the format of pixels in a */ + /* given bitmap. Note that additional formats may be added in the */ + /* future. */ + /* */ + /* <Values> */ + /* FT_PIXEL_MODE_NONE :: */ + /* Value~0 is reserved. */ + /* */ + /* FT_PIXEL_MODE_MONO :: */ + /* A monochrome bitmap, using 1~bit per pixel. Note that pixels */ + /* are stored in most-significant order (MSB), which means that */ + /* the left-most pixel in a byte has value 128. */ + /* */ + /* FT_PIXEL_MODE_GRAY :: */ + /* An 8-bit bitmap, generally used to represent anti-aliased glyph */ + /* images. Each pixel is stored in one byte. Note that the number */ + /* of `gray' levels is stored in the `num_grays' field of the */ + /* @FT_Bitmap structure (it generally is 256). */ + /* */ + /* FT_PIXEL_MODE_GRAY2 :: */ + /* A 2-bit per pixel bitmap, used to represent embedded */ + /* anti-aliased bitmaps in font files according to the OpenType */ + /* specification. We haven't found a single font using this */ + /* format, however. */ + /* */ + /* FT_PIXEL_MODE_GRAY4 :: */ + /* A 4-bit per pixel bitmap, representing embedded anti-aliased */ + /* bitmaps in font files according to the OpenType specification. */ + /* We haven't found a single font using this format, however. */ + /* */ + /* FT_PIXEL_MODE_LCD :: */ + /* An 8-bit bitmap, representing RGB or BGR decimated glyph images */ + /* used for display on LCD displays; the bitmap is three times */ + /* wider than the original glyph image. See also */ + /* @FT_RENDER_MODE_LCD. */ + /* */ + /* FT_PIXEL_MODE_LCD_V :: */ + /* An 8-bit bitmap, representing RGB or BGR decimated glyph images */ + /* used for display on rotated LCD displays; the bitmap is three */ + /* times taller than the original glyph image. See also */ + /* @FT_RENDER_MODE_LCD_V. */ + /* */ + /* FT_PIXEL_MODE_BGRA :: */ + /* [Since 2.5] An image with four 8-bit channels per pixel, */ + /* representing a color image (such as emoticons) with alpha */ + /* channel. For each pixel, the format is BGRA, which means, the */ + /* blue channel comes first in memory. The color channels are */ + /* pre-multiplied and in the sRGB colorspace. For example, full */ + /* red at half-translucent opacity will be represented as */ + /* `00,00,80,80', not `00,00,FF,80'. See also @FT_LOAD_COLOR. */ + /* */ + typedef enum FT_Pixel_Mode_ + { + FT_PIXEL_MODE_NONE = 0, + FT_PIXEL_MODE_MONO, + FT_PIXEL_MODE_GRAY, + FT_PIXEL_MODE_GRAY2, + FT_PIXEL_MODE_GRAY4, + FT_PIXEL_MODE_LCD, + FT_PIXEL_MODE_LCD_V, + FT_PIXEL_MODE_BGRA, + + FT_PIXEL_MODE_MAX /* do not remove */ + + } FT_Pixel_Mode; + + + /* these constants are deprecated; use the corresponding `FT_Pixel_Mode' */ + /* values instead. */ +#define ft_pixel_mode_none FT_PIXEL_MODE_NONE +#define ft_pixel_mode_mono FT_PIXEL_MODE_MONO +#define ft_pixel_mode_grays FT_PIXEL_MODE_GRAY +#define ft_pixel_mode_pal2 FT_PIXEL_MODE_GRAY2 +#define ft_pixel_mode_pal4 FT_PIXEL_MODE_GRAY4 + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Bitmap */ + /* */ + /* <Description> */ + /* A structure used to describe a bitmap or pixmap to the raster. */ + /* Note that we now manage pixmaps of various depths through the */ + /* `pixel_mode' field. */ + /* */ + /* <Fields> */ + /* rows :: The number of bitmap rows. */ + /* */ + /* width :: The number of pixels in bitmap row. */ + /* */ + /* pitch :: The pitch's absolute value is the number of bytes */ + /* taken by one bitmap row, including padding. */ + /* However, the pitch is positive when the bitmap has */ + /* a `down' flow, and negative when it has an `up' */ + /* flow. In all cases, the pitch is an offset to add */ + /* to a bitmap pointer in order to go down one row. */ + /* */ + /* Note that `padding' means the alignment of a */ + /* bitmap to a byte border, and FreeType functions */ + /* normally align to the smallest possible integer */ + /* value. */ + /* */ + /* For the B/W rasterizer, `pitch' is always an even */ + /* number. */ + /* */ + /* To change the pitch of a bitmap (say, to make it a */ + /* multiple of 4), use @FT_Bitmap_Convert. */ + /* Alternatively, you might use callback functions to */ + /* directly render to the application's surface; see */ + /* the file `example2.cpp' in the tutorial for a */ + /* demonstration. */ + /* */ + /* buffer :: A typeless pointer to the bitmap buffer. This */ + /* value should be aligned on 32-bit boundaries in */ + /* most cases. */ + /* */ + /* num_grays :: This field is only used with */ + /* @FT_PIXEL_MODE_GRAY; it gives the number of gray */ + /* levels used in the bitmap. */ + /* */ + /* pixel_mode :: The pixel mode, i.e., how pixel bits are stored. */ + /* See @FT_Pixel_Mode for possible values. */ + /* */ + /* palette_mode :: This field is intended for paletted pixel modes; */ + /* it indicates how the palette is stored. Not */ + /* used currently. */ + /* */ + /* palette :: A typeless pointer to the bitmap palette; this */ + /* field is intended for paletted pixel modes. Not */ + /* used currently. */ + /* */ + typedef struct FT_Bitmap_ + { + unsigned int rows; + unsigned int width; + int pitch; + unsigned char* buffer; + unsigned short num_grays; + unsigned char pixel_mode; + unsigned char palette_mode; + void* palette; + + } FT_Bitmap; + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* outline_processing */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Outline */ + /* */ + /* <Description> */ + /* This structure is used to describe an outline to the scan-line */ + /* converter. */ + /* */ + /* <Fields> */ + /* n_contours :: The number of contours in the outline. */ + /* */ + /* n_points :: The number of points in the outline. */ + /* */ + /* points :: A pointer to an array of `n_points' @FT_Vector */ + /* elements, giving the outline's point coordinates. */ + /* */ + /* tags :: A pointer to an array of `n_points' chars, giving */ + /* each outline point's type. */ + /* */ + /* If bit~0 is unset, the point is `off' the curve, */ + /* i.e., a Bezier control point, while it is `on' if */ + /* set. */ + /* */ + /* Bit~1 is meaningful for `off' points only. If set, */ + /* it indicates a third-order Bezier arc control point; */ + /* and a second-order control point if unset. */ + /* */ + /* If bit~2 is set, bits 5-7 contain the drop-out mode */ + /* (as defined in the OpenType specification; the value */ + /* is the same as the argument to the SCANMODE */ + /* instruction). */ + /* */ + /* Bits 3 and~4 are reserved for internal purposes. */ + /* */ + /* contours :: An array of `n_contours' shorts, giving the end */ + /* point of each contour within the outline. For */ + /* example, the first contour is defined by the points */ + /* `0' to `contours[0]', the second one is defined by */ + /* the points `contours[0]+1' to `contours[1]', etc. */ + /* */ + /* flags :: A set of bit flags used to characterize the outline */ + /* and give hints to the scan-converter and hinter on */ + /* how to convert/grid-fit it. See @FT_OUTLINE_XXX. */ + /* */ + /* <Note> */ + /* The B/W rasterizer only checks bit~2 in the `tags' array for the */ + /* first point of each contour. The drop-out mode as given with */ + /* @FT_OUTLINE_IGNORE_DROPOUTS, @FT_OUTLINE_SMART_DROPOUTS, and */ + /* @FT_OUTLINE_INCLUDE_STUBS in `flags' is then overridden. */ + /* */ + typedef struct FT_Outline_ + { + short n_contours; /* number of contours in glyph */ + short n_points; /* number of points in the glyph */ + + FT_Vector* points; /* the outline's points */ + char* tags; /* the points flags */ + short* contours; /* the contour end points */ + + int flags; /* outline masks */ + + } FT_Outline; + + /* */ + + /* Following limits must be consistent with */ + /* FT_Outline.{n_contours,n_points} */ +#define FT_OUTLINE_CONTOURS_MAX SHRT_MAX +#define FT_OUTLINE_POINTS_MAX SHRT_MAX + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_OUTLINE_XXX */ + /* */ + /* <Description> */ + /* A list of bit-field constants use for the flags in an outline's */ + /* `flags' field. */ + /* */ + /* <Values> */ + /* FT_OUTLINE_NONE :: */ + /* Value~0 is reserved. */ + /* */ + /* FT_OUTLINE_OWNER :: */ + /* If set, this flag indicates that the outline's field arrays */ + /* (i.e., `points', `flags', and `contours') are `owned' by the */ + /* outline object, and should thus be freed when it is destroyed. */ + /* */ + /* FT_OUTLINE_EVEN_ODD_FILL :: */ + /* By default, outlines are filled using the non-zero winding rule. */ + /* If set to 1, the outline will be filled using the even-odd fill */ + /* rule (only works with the smooth rasterizer). */ + /* */ + /* FT_OUTLINE_REVERSE_FILL :: */ + /* By default, outside contours of an outline are oriented in */ + /* clock-wise direction, as defined in the TrueType specification. */ + /* This flag is set if the outline uses the opposite direction */ + /* (typically for Type~1 fonts). This flag is ignored by the scan */ + /* converter. */ + /* */ + /* FT_OUTLINE_IGNORE_DROPOUTS :: */ + /* By default, the scan converter will try to detect drop-outs in */ + /* an outline and correct the glyph bitmap to ensure consistent */ + /* shape continuity. If set, this flag hints the scan-line */ + /* converter to ignore such cases. See below for more information. */ + /* */ + /* FT_OUTLINE_SMART_DROPOUTS :: */ + /* Select smart dropout control. If unset, use simple dropout */ + /* control. Ignored if @FT_OUTLINE_IGNORE_DROPOUTS is set. See */ + /* below for more information. */ + /* */ + /* FT_OUTLINE_INCLUDE_STUBS :: */ + /* If set, turn pixels on for `stubs', otherwise exclude them. */ + /* Ignored if @FT_OUTLINE_IGNORE_DROPOUTS is set. See below for */ + /* more information. */ + /* */ + /* FT_OUTLINE_HIGH_PRECISION :: */ + /* This flag indicates that the scan-line converter should try to */ + /* convert this outline to bitmaps with the highest possible */ + /* quality. It is typically set for small character sizes. Note */ + /* that this is only a hint that might be completely ignored by a */ + /* given scan-converter. */ + /* */ + /* FT_OUTLINE_SINGLE_PASS :: */ + /* This flag is set to force a given scan-converter to only use a */ + /* single pass over the outline to render a bitmap glyph image. */ + /* Normally, it is set for very large character sizes. It is only */ + /* a hint that might be completely ignored by a given */ + /* scan-converter. */ + /* */ + /* <Note> */ + /* The flags @FT_OUTLINE_IGNORE_DROPOUTS, @FT_OUTLINE_SMART_DROPOUTS, */ + /* and @FT_OUTLINE_INCLUDE_STUBS are ignored by the smooth */ + /* rasterizer. */ + /* */ + /* There exists a second mechanism to pass the drop-out mode to the */ + /* B/W rasterizer; see the `tags' field in @FT_Outline. */ + /* */ + /* Please refer to the description of the `SCANTYPE' instruction in */ + /* the OpenType specification (in file `ttinst1.doc') how simple */ + /* drop-outs, smart drop-outs, and stubs are defined. */ + /* */ +#define FT_OUTLINE_NONE 0x0 +#define FT_OUTLINE_OWNER 0x1 +#define FT_OUTLINE_EVEN_ODD_FILL 0x2 +#define FT_OUTLINE_REVERSE_FILL 0x4 +#define FT_OUTLINE_IGNORE_DROPOUTS 0x8 +#define FT_OUTLINE_SMART_DROPOUTS 0x10 +#define FT_OUTLINE_INCLUDE_STUBS 0x20 + +#define FT_OUTLINE_HIGH_PRECISION 0x100 +#define FT_OUTLINE_SINGLE_PASS 0x200 + + + /* these constants are deprecated; use the corresponding */ + /* `FT_OUTLINE_XXX' values instead */ +#define ft_outline_none FT_OUTLINE_NONE +#define ft_outline_owner FT_OUTLINE_OWNER +#define ft_outline_even_odd_fill FT_OUTLINE_EVEN_ODD_FILL +#define ft_outline_reverse_fill FT_OUTLINE_REVERSE_FILL +#define ft_outline_ignore_dropouts FT_OUTLINE_IGNORE_DROPOUTS +#define ft_outline_high_precision FT_OUTLINE_HIGH_PRECISION +#define ft_outline_single_pass FT_OUTLINE_SINGLE_PASS + + /* */ + +#define FT_CURVE_TAG( flag ) ( flag & 3 ) + +#define FT_CURVE_TAG_ON 1 +#define FT_CURVE_TAG_CONIC 0 +#define FT_CURVE_TAG_CUBIC 2 + +#define FT_CURVE_TAG_HAS_SCANMODE 4 + +#define FT_CURVE_TAG_TOUCH_X 8 /* reserved for the TrueType hinter */ +#define FT_CURVE_TAG_TOUCH_Y 16 /* reserved for the TrueType hinter */ + +#define FT_CURVE_TAG_TOUCH_BOTH ( FT_CURVE_TAG_TOUCH_X | \ + FT_CURVE_TAG_TOUCH_Y ) + +#define FT_Curve_Tag_On FT_CURVE_TAG_ON +#define FT_Curve_Tag_Conic FT_CURVE_TAG_CONIC +#define FT_Curve_Tag_Cubic FT_CURVE_TAG_CUBIC +#define FT_Curve_Tag_Touch_X FT_CURVE_TAG_TOUCH_X +#define FT_Curve_Tag_Touch_Y FT_CURVE_TAG_TOUCH_Y + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Outline_MoveToFunc */ + /* */ + /* <Description> */ + /* A function pointer type used to describe the signature of a `move */ + /* to' function during outline walking/decomposition. */ + /* */ + /* A `move to' is emitted to start a new contour in an outline. */ + /* */ + /* <Input> */ + /* to :: A pointer to the target point of the `move to'. */ + /* */ + /* user :: A typeless pointer, which is passed from the caller of the */ + /* decomposition function. */ + /* */ + /* <Return> */ + /* Error code. 0~means success. */ + /* */ + typedef int + (*FT_Outline_MoveToFunc)( const FT_Vector* to, + void* user ); + +#define FT_Outline_MoveTo_Func FT_Outline_MoveToFunc + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Outline_LineToFunc */ + /* */ + /* <Description> */ + /* A function pointer type used to describe the signature of a `line */ + /* to' function during outline walking/decomposition. */ + /* */ + /* A `line to' is emitted to indicate a segment in the outline. */ + /* */ + /* <Input> */ + /* to :: A pointer to the target point of the `line to'. */ + /* */ + /* user :: A typeless pointer, which is passed from the caller of the */ + /* decomposition function. */ + /* */ + /* <Return> */ + /* Error code. 0~means success. */ + /* */ + typedef int + (*FT_Outline_LineToFunc)( const FT_Vector* to, + void* user ); + +#define FT_Outline_LineTo_Func FT_Outline_LineToFunc + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Outline_ConicToFunc */ + /* */ + /* <Description> */ + /* A function pointer type used to describe the signature of a `conic */ + /* to' function during outline walking or decomposition. */ + /* */ + /* A `conic to' is emitted to indicate a second-order Bezier arc in */ + /* the outline. */ + /* */ + /* <Input> */ + /* control :: An intermediate control point between the last position */ + /* and the new target in `to'. */ + /* */ + /* to :: A pointer to the target end point of the conic arc. */ + /* */ + /* user :: A typeless pointer, which is passed from the caller of */ + /* the decomposition function. */ + /* */ + /* <Return> */ + /* Error code. 0~means success. */ + /* */ + typedef int + (*FT_Outline_ConicToFunc)( const FT_Vector* control, + const FT_Vector* to, + void* user ); + +#define FT_Outline_ConicTo_Func FT_Outline_ConicToFunc + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Outline_CubicToFunc */ + /* */ + /* <Description> */ + /* A function pointer type used to describe the signature of a `cubic */ + /* to' function during outline walking or decomposition. */ + /* */ + /* A `cubic to' is emitted to indicate a third-order Bezier arc. */ + /* */ + /* <Input> */ + /* control1 :: A pointer to the first Bezier control point. */ + /* */ + /* control2 :: A pointer to the second Bezier control point. */ + /* */ + /* to :: A pointer to the target end point. */ + /* */ + /* user :: A typeless pointer, which is passed from the caller of */ + /* the decomposition function. */ + /* */ + /* <Return> */ + /* Error code. 0~means success. */ + /* */ + typedef int + (*FT_Outline_CubicToFunc)( const FT_Vector* control1, + const FT_Vector* control2, + const FT_Vector* to, + void* user ); + +#define FT_Outline_CubicTo_Func FT_Outline_CubicToFunc + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Outline_Funcs */ + /* */ + /* <Description> */ + /* A structure to hold various function pointers used during outline */ + /* decomposition in order to emit segments, conic, and cubic Beziers. */ + /* */ + /* <Fields> */ + /* move_to :: The `move to' emitter. */ + /* */ + /* line_to :: The segment emitter. */ + /* */ + /* conic_to :: The second-order Bezier arc emitter. */ + /* */ + /* cubic_to :: The third-order Bezier arc emitter. */ + /* */ + /* shift :: The shift that is applied to coordinates before they */ + /* are sent to the emitter. */ + /* */ + /* delta :: The delta that is applied to coordinates before they */ + /* are sent to the emitter, but after the shift. */ + /* */ + /* <Note> */ + /* The point coordinates sent to the emitters are the transformed */ + /* version of the original coordinates (this is important for high */ + /* accuracy during scan-conversion). The transformation is simple: */ + /* */ + /* { */ + /* x' = (x << shift) - delta */ + /* y' = (y << shift) - delta */ + /* } */ + /* */ + /* Set the values of `shift' and `delta' to~0 to get the original */ + /* point coordinates. */ + /* */ + typedef struct FT_Outline_Funcs_ + { + FT_Outline_MoveToFunc move_to; + FT_Outline_LineToFunc line_to; + FT_Outline_ConicToFunc conic_to; + FT_Outline_CubicToFunc cubic_to; + + int shift; + FT_Pos delta; + + } FT_Outline_Funcs; + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* basic_types */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_IMAGE_TAG */ + /* */ + /* <Description> */ + /* This macro converts four-letter tags to an unsigned long type. */ + /* */ + /* <Note> */ + /* Since many 16-bit compilers don't like 32-bit enumerations, you */ + /* should redefine this macro in case of problems to something like */ + /* this: */ + /* */ + /* { */ + /* #define FT_IMAGE_TAG( value, _x1, _x2, _x3, _x4 ) value */ + /* } */ + /* */ + /* to get a simple enumeration without assigning special numbers. */ + /* */ +#ifndef FT_IMAGE_TAG +#define FT_IMAGE_TAG( value, _x1, _x2, _x3, _x4 ) \ + value = ( ( (unsigned long)_x1 << 24 ) | \ + ( (unsigned long)_x2 << 16 ) | \ + ( (unsigned long)_x3 << 8 ) | \ + (unsigned long)_x4 ) +#endif /* FT_IMAGE_TAG */ + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_Glyph_Format */ + /* */ + /* <Description> */ + /* An enumeration type used to describe the format of a given glyph */ + /* image. Note that this version of FreeType only supports two image */ + /* formats, even though future font drivers will be able to register */ + /* their own format. */ + /* */ + /* <Values> */ + /* FT_GLYPH_FORMAT_NONE :: */ + /* The value~0 is reserved. */ + /* */ + /* FT_GLYPH_FORMAT_COMPOSITE :: */ + /* The glyph image is a composite of several other images. This */ + /* format is _only_ used with @FT_LOAD_NO_RECURSE, and is used to */ + /* report compound glyphs (like accented characters). */ + /* */ + /* FT_GLYPH_FORMAT_BITMAP :: */ + /* The glyph image is a bitmap, and can be described as an */ + /* @FT_Bitmap. You generally need to access the `bitmap' field of */ + /* the @FT_GlyphSlotRec structure to read it. */ + /* */ + /* FT_GLYPH_FORMAT_OUTLINE :: */ + /* The glyph image is a vectorial outline made of line segments */ + /* and Bezier arcs; it can be described as an @FT_Outline; you */ + /* generally want to access the `outline' field of the */ + /* @FT_GlyphSlotRec structure to read it. */ + /* */ + /* FT_GLYPH_FORMAT_PLOTTER :: */ + /* The glyph image is a vectorial path with no inside and outside */ + /* contours. Some Type~1 fonts, like those in the Hershey family, */ + /* contain glyphs in this format. These are described as */ + /* @FT_Outline, but FreeType isn't currently capable of rendering */ + /* them correctly. */ + /* */ + typedef enum FT_Glyph_Format_ + { + FT_IMAGE_TAG( FT_GLYPH_FORMAT_NONE, 0, 0, 0, 0 ), + + FT_IMAGE_TAG( FT_GLYPH_FORMAT_COMPOSITE, 'c', 'o', 'm', 'p' ), + FT_IMAGE_TAG( FT_GLYPH_FORMAT_BITMAP, 'b', 'i', 't', 's' ), + FT_IMAGE_TAG( FT_GLYPH_FORMAT_OUTLINE, 'o', 'u', 't', 'l' ), + FT_IMAGE_TAG( FT_GLYPH_FORMAT_PLOTTER, 'p', 'l', 'o', 't' ) + + } FT_Glyph_Format; + + + /* these constants are deprecated; use the corresponding */ + /* `FT_Glyph_Format' values instead. */ +#define ft_glyph_format_none FT_GLYPH_FORMAT_NONE +#define ft_glyph_format_composite FT_GLYPH_FORMAT_COMPOSITE +#define ft_glyph_format_bitmap FT_GLYPH_FORMAT_BITMAP +#define ft_glyph_format_outline FT_GLYPH_FORMAT_OUTLINE +#define ft_glyph_format_plotter FT_GLYPH_FORMAT_PLOTTER + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** R A S T E R D E F I N I T I O N S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* A raster is a scan converter, in charge of rendering an outline into */ + /* a bitmap. This section contains the public API for rasters. */ + /* */ + /* Note that in FreeType 2, all rasters are now encapsulated within */ + /* specific modules called `renderers'. See `ftrender.h' for more */ + /* details on renderers. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* raster */ + /* */ + /* <Title> */ + /* Scanline Converter */ + /* */ + /* <Abstract> */ + /* How vectorial outlines are converted into bitmaps and pixmaps. */ + /* */ + /* <Description> */ + /* This section contains technical definitions. */ + /* */ + /* <Order> */ + /* FT_Raster */ + /* FT_Span */ + /* FT_SpanFunc */ + /* */ + /* FT_Raster_Params */ + /* FT_RASTER_FLAG_XXX */ + /* */ + /* FT_Raster_NewFunc */ + /* FT_Raster_DoneFunc */ + /* FT_Raster_ResetFunc */ + /* FT_Raster_SetModeFunc */ + /* FT_Raster_RenderFunc */ + /* FT_Raster_Funcs */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Raster */ + /* */ + /* <Description> */ + /* An opaque handle (pointer) to a raster object. Each object can be */ + /* used independently to convert an outline into a bitmap or pixmap. */ + /* */ + typedef struct FT_RasterRec_* FT_Raster; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Span */ + /* */ + /* <Description> */ + /* A structure used to model a single span of gray pixels when */ + /* rendering an anti-aliased bitmap. */ + /* */ + /* <Fields> */ + /* x :: The span's horizontal start position. */ + /* */ + /* len :: The span's length in pixels. */ + /* */ + /* coverage :: The span color/coverage, ranging from 0 (background) */ + /* to 255 (foreground). */ + /* */ + /* <Note> */ + /* This structure is used by the span drawing callback type named */ + /* @FT_SpanFunc that takes the y~coordinate of the span as a */ + /* parameter. */ + /* */ + /* The coverage value is always between 0 and 255. If you want less */ + /* gray values, the callback function has to reduce them. */ + /* */ + typedef struct FT_Span_ + { + short x; + unsigned short len; + unsigned char coverage; + + } FT_Span; + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_SpanFunc */ + /* */ + /* <Description> */ + /* A function used as a call-back by the anti-aliased renderer in */ + /* order to let client applications draw themselves the gray pixel */ + /* spans on each scan line. */ + /* */ + /* <Input> */ + /* y :: The scanline's y~coordinate. */ + /* */ + /* count :: The number of spans to draw on this scanline. */ + /* */ + /* spans :: A table of `count' spans to draw on the scanline. */ + /* */ + /* user :: User-supplied data that is passed to the callback. */ + /* */ + /* <Note> */ + /* This callback allows client applications to directly render the */ + /* gray spans of the anti-aliased bitmap to any kind of surfaces. */ + /* */ + /* This can be used to write anti-aliased outlines directly to a */ + /* given background bitmap, and even perform translucency. */ + /* */ + typedef void + (*FT_SpanFunc)( int y, + int count, + const FT_Span* spans, + void* user ); + +#define FT_Raster_Span_Func FT_SpanFunc + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Raster_BitTest_Func */ + /* */ + /* <Description> */ + /* Deprecated, unimplemented. */ + /* */ + typedef int + (*FT_Raster_BitTest_Func)( int y, + int x, + void* user ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Raster_BitSet_Func */ + /* */ + /* <Description> */ + /* Deprecated, unimplemented. */ + /* */ + typedef void + (*FT_Raster_BitSet_Func)( int y, + int x, + void* user ); + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_RASTER_FLAG_XXX */ + /* */ + /* <Description> */ + /* A list of bit flag constants as used in the `flags' field of a */ + /* @FT_Raster_Params structure. */ + /* */ + /* <Values> */ + /* FT_RASTER_FLAG_DEFAULT :: This value is 0. */ + /* */ + /* FT_RASTER_FLAG_AA :: This flag is set to indicate that an */ + /* anti-aliased glyph image should be */ + /* generated. Otherwise, it will be */ + /* monochrome (1-bit). */ + /* */ + /* FT_RASTER_FLAG_DIRECT :: This flag is set to indicate direct */ + /* rendering. In this mode, client */ + /* applications must provide their own span */ + /* callback. This lets them directly */ + /* draw or compose over an existing bitmap. */ + /* If this bit is not set, the target */ + /* pixmap's buffer _must_ be zeroed before */ + /* rendering. */ + /* */ + /* Direct rendering is only possible with */ + /* anti-aliased glyphs. */ + /* */ + /* FT_RASTER_FLAG_CLIP :: This flag is only used in direct */ + /* rendering mode. If set, the output will */ + /* be clipped to a box specified in the */ + /* `clip_box' field of the */ + /* @FT_Raster_Params structure. */ + /* */ + /* Note that by default, the glyph bitmap */ + /* is clipped to the target pixmap, except */ + /* in direct rendering mode where all spans */ + /* are generated if no clipping box is set. */ + /* */ +#define FT_RASTER_FLAG_DEFAULT 0x0 +#define FT_RASTER_FLAG_AA 0x1 +#define FT_RASTER_FLAG_DIRECT 0x2 +#define FT_RASTER_FLAG_CLIP 0x4 + + /* these constants are deprecated; use the corresponding */ + /* `FT_RASTER_FLAG_XXX' values instead */ +#define ft_raster_flag_default FT_RASTER_FLAG_DEFAULT +#define ft_raster_flag_aa FT_RASTER_FLAG_AA +#define ft_raster_flag_direct FT_RASTER_FLAG_DIRECT +#define ft_raster_flag_clip FT_RASTER_FLAG_CLIP + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Raster_Params */ + /* */ + /* <Description> */ + /* A structure to hold the arguments used by a raster's render */ + /* function. */ + /* */ + /* <Fields> */ + /* target :: The target bitmap. */ + /* */ + /* source :: A pointer to the source glyph image (e.g., an */ + /* @FT_Outline). */ + /* */ + /* flags :: The rendering flags. */ + /* */ + /* gray_spans :: The gray span drawing callback. */ + /* */ + /* black_spans :: Unused. */ + /* */ + /* bit_test :: Unused. */ + /* */ + /* bit_set :: Unused. */ + /* */ + /* user :: User-supplied data that is passed to each drawing */ + /* callback. */ + /* */ + /* clip_box :: An optional clipping box. It is only used in */ + /* direct rendering mode. Note that coordinates here */ + /* should be expressed in _integer_ pixels (and not in */ + /* 26.6 fixed-point units). */ + /* */ + /* <Note> */ + /* An anti-aliased glyph bitmap is drawn if the @FT_RASTER_FLAG_AA */ + /* bit flag is set in the `flags' field, otherwise a monochrome */ + /* bitmap is generated. */ + /* */ + /* If the @FT_RASTER_FLAG_DIRECT bit flag is set in `flags', the */ + /* raster will call the `gray_spans' callback to draw gray pixel */ + /* spans. This allows direct composition over a pre-existing bitmap */ + /* through user-provided callbacks to perform the span drawing and */ + /* composition. Not supported by the monochrome rasterizer. */ + /* */ + typedef struct FT_Raster_Params_ + { + const FT_Bitmap* target; + const void* source; + int flags; + FT_SpanFunc gray_spans; + FT_SpanFunc black_spans; /* unused */ + FT_Raster_BitTest_Func bit_test; /* unused */ + FT_Raster_BitSet_Func bit_set; /* unused */ + void* user; + FT_BBox clip_box; + + } FT_Raster_Params; + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Raster_NewFunc */ + /* */ + /* <Description> */ + /* A function used to create a new raster object. */ + /* */ + /* <Input> */ + /* memory :: A handle to the memory allocator. */ + /* */ + /* <Output> */ + /* raster :: A handle to the new raster object. */ + /* */ + /* <Return> */ + /* Error code. 0~means success. */ + /* */ + /* <Note> */ + /* The `memory' parameter is a typeless pointer in order to avoid */ + /* un-wanted dependencies on the rest of the FreeType code. In */ + /* practice, it is an @FT_Memory object, i.e., a handle to the */ + /* standard FreeType memory allocator. However, this field can be */ + /* completely ignored by a given raster implementation. */ + /* */ + typedef int + (*FT_Raster_NewFunc)( void* memory, + FT_Raster* raster ); + +#define FT_Raster_New_Func FT_Raster_NewFunc + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Raster_DoneFunc */ + /* */ + /* <Description> */ + /* A function used to destroy a given raster object. */ + /* */ + /* <Input> */ + /* raster :: A handle to the raster object. */ + /* */ + typedef void + (*FT_Raster_DoneFunc)( FT_Raster raster ); + +#define FT_Raster_Done_Func FT_Raster_DoneFunc + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Raster_ResetFunc */ + /* */ + /* <Description> */ + /* FreeType used to provide an area of memory called the `render */ + /* pool' available to all registered rasterizers. This was not */ + /* thread safe, however, and now FreeType never allocates this pool. */ + /* */ + /* This function is called after a new raster object is created. */ + /* */ + /* <Input> */ + /* raster :: A handle to the new raster object. */ + /* */ + /* pool_base :: Previously, the address in memory of the render pool. */ + /* Set this to NULL. */ + /* */ + /* pool_size :: Previously, the size in bytes of the render pool. */ + /* Set this to 0. */ + /* */ + /* <Note> */ + /* Rasterizers should rely on dynamic or stack allocation if they */ + /* want to (a handle to the memory allocator is passed to the */ + /* rasterizer constructor). */ + /* */ + typedef void + (*FT_Raster_ResetFunc)( FT_Raster raster, + unsigned char* pool_base, + unsigned long pool_size ); + +#define FT_Raster_Reset_Func FT_Raster_ResetFunc + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Raster_SetModeFunc */ + /* */ + /* <Description> */ + /* This function is a generic facility to change modes or attributes */ + /* in a given raster. This can be used for debugging purposes, or */ + /* simply to allow implementation-specific `features' in a given */ + /* raster module. */ + /* */ + /* <Input> */ + /* raster :: A handle to the new raster object. */ + /* */ + /* mode :: A 4-byte tag used to name the mode or property. */ + /* */ + /* args :: A pointer to the new mode/property to use. */ + /* */ + typedef int + (*FT_Raster_SetModeFunc)( FT_Raster raster, + unsigned long mode, + void* args ); + +#define FT_Raster_Set_Mode_Func FT_Raster_SetModeFunc + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Raster_RenderFunc */ + /* */ + /* <Description> */ + /* Invoke a given raster to scan-convert a given glyph image into a */ + /* target bitmap. */ + /* */ + /* <Input> */ + /* raster :: A handle to the raster object. */ + /* */ + /* params :: A pointer to an @FT_Raster_Params structure used to */ + /* store the rendering parameters. */ + /* */ + /* <Return> */ + /* Error code. 0~means success. */ + /* */ + /* <Note> */ + /* The exact format of the source image depends on the raster's glyph */ + /* format defined in its @FT_Raster_Funcs structure. It can be an */ + /* @FT_Outline or anything else in order to support a large array of */ + /* glyph formats. */ + /* */ + /* Note also that the render function can fail and return a */ + /* `FT_Err_Unimplemented_Feature' error code if the raster used does */ + /* not support direct composition. */ + /* */ + /* XXX: For now, the standard raster doesn't support direct */ + /* composition but this should change for the final release (see */ + /* the files `demos/src/ftgrays.c' and `demos/src/ftgrays2.c' */ + /* for examples of distinct implementations that support direct */ + /* composition). */ + /* */ + typedef int + (*FT_Raster_RenderFunc)( FT_Raster raster, + const FT_Raster_Params* params ); + +#define FT_Raster_Render_Func FT_Raster_RenderFunc + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Raster_Funcs */ + /* */ + /* <Description> */ + /* A structure used to describe a given raster class to the library. */ + /* */ + /* <Fields> */ + /* glyph_format :: The supported glyph format for this raster. */ + /* */ + /* raster_new :: The raster constructor. */ + /* */ + /* raster_reset :: Used to reset the render pool within the raster. */ + /* */ + /* raster_render :: A function to render a glyph into a given bitmap. */ + /* */ + /* raster_done :: The raster destructor. */ + /* */ + typedef struct FT_Raster_Funcs_ + { + FT_Glyph_Format glyph_format; + + FT_Raster_NewFunc raster_new; + FT_Raster_ResetFunc raster_reset; + FT_Raster_SetModeFunc raster_set_mode; + FT_Raster_RenderFunc raster_render; + FT_Raster_DoneFunc raster_done; + + } FT_Raster_Funcs; + + /* */ + + +FT_END_HEADER + +#endif /* FTIMAGE_H_ */ + + +/* END */ + + +/* Local Variables: */ +/* coding: utf-8 */ +/* End: */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftincrem.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftincrem.h new file mode 100644 index 00000000000..44619f941e7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftincrem.h @@ -0,0 +1,343 @@ +/***************************************************************************/ +/* */ +/* ftincrem.h */ +/* */ +/* FreeType incremental loading (specification). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTINCREM_H_ +#define FTINCREM_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_PARAMETER_TAGS_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + /*************************************************************************** + * + * @section: + * incremental + * + * @title: + * Incremental Loading + * + * @abstract: + * Custom Glyph Loading. + * + * @description: + * This section contains various functions used to perform so-called + * `incremental' glyph loading. This is a mode where all glyphs loaded + * from a given @FT_Face are provided by the client application. + * + * Apart from that, all other tables are loaded normally from the font + * file. This mode is useful when FreeType is used within another + * engine, e.g., a PostScript Imaging Processor. + * + * To enable this mode, you must use @FT_Open_Face, passing an + * @FT_Parameter with the @FT_PARAM_TAG_INCREMENTAL tag and an + * @FT_Incremental_Interface value. See the comments for + * @FT_Incremental_InterfaceRec for an example. + * + */ + + + /*************************************************************************** + * + * @type: + * FT_Incremental + * + * @description: + * An opaque type describing a user-provided object used to implement + * `incremental' glyph loading within FreeType. This is used to support + * embedded fonts in certain environments (e.g., PostScript interpreters), + * where the glyph data isn't in the font file, or must be overridden by + * different values. + * + * @note: + * It is up to client applications to create and implement @FT_Incremental + * objects, as long as they provide implementations for the methods + * @FT_Incremental_GetGlyphDataFunc, @FT_Incremental_FreeGlyphDataFunc + * and @FT_Incremental_GetGlyphMetricsFunc. + * + * See the description of @FT_Incremental_InterfaceRec to understand how + * to use incremental objects with FreeType. + * + */ + typedef struct FT_IncrementalRec_* FT_Incremental; + + + /*************************************************************************** + * + * @struct: + * FT_Incremental_MetricsRec + * + * @description: + * A small structure used to contain the basic glyph metrics returned + * by the @FT_Incremental_GetGlyphMetricsFunc method. + * + * @fields: + * bearing_x :: + * Left bearing, in font units. + * + * bearing_y :: + * Top bearing, in font units. + * + * advance :: + * Horizontal component of glyph advance, in font units. + * + * advance_v :: + * Vertical component of glyph advance, in font units. + * + * @note: + * These correspond to horizontal or vertical metrics depending on the + * value of the `vertical' argument to the function + * @FT_Incremental_GetGlyphMetricsFunc. + * + */ + typedef struct FT_Incremental_MetricsRec_ + { + FT_Long bearing_x; + FT_Long bearing_y; + FT_Long advance; + FT_Long advance_v; /* since 2.3.12 */ + + } FT_Incremental_MetricsRec; + + + /*************************************************************************** + * + * @struct: + * FT_Incremental_Metrics + * + * @description: + * A handle to an @FT_Incremental_MetricsRec structure. + * + */ + typedef struct FT_Incremental_MetricsRec_* FT_Incremental_Metrics; + + + /*************************************************************************** + * + * @type: + * FT_Incremental_GetGlyphDataFunc + * + * @description: + * A function called by FreeType to access a given glyph's data bytes + * during @FT_Load_Glyph or @FT_Load_Char if incremental loading is + * enabled. + * + * Note that the format of the glyph's data bytes depends on the font + * file format. For TrueType, it must correspond to the raw bytes within + * the `glyf' table. For PostScript formats, it must correspond to the + * *unencrypted* charstring bytes, without any `lenIV' header. It is + * undefined for any other format. + * + * @input: + * incremental :: + * Handle to an opaque @FT_Incremental handle provided by the client + * application. + * + * glyph_index :: + * Index of relevant glyph. + * + * @output: + * adata :: + * A structure describing the returned glyph data bytes (which will be + * accessed as a read-only byte block). + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * If this function returns successfully the method + * @FT_Incremental_FreeGlyphDataFunc will be called later to release + * the data bytes. + * + * Nested calls to @FT_Incremental_GetGlyphDataFunc can happen for + * compound glyphs. + * + */ + typedef FT_Error + (*FT_Incremental_GetGlyphDataFunc)( FT_Incremental incremental, + FT_UInt glyph_index, + FT_Data* adata ); + + + /*************************************************************************** + * + * @type: + * FT_Incremental_FreeGlyphDataFunc + * + * @description: + * A function used to release the glyph data bytes returned by a + * successful call to @FT_Incremental_GetGlyphDataFunc. + * + * @input: + * incremental :: + * A handle to an opaque @FT_Incremental handle provided by the client + * application. + * + * data :: + * A structure describing the glyph data bytes (which will be accessed + * as a read-only byte block). + * + */ + typedef void + (*FT_Incremental_FreeGlyphDataFunc)( FT_Incremental incremental, + FT_Data* data ); + + + /*************************************************************************** + * + * @type: + * FT_Incremental_GetGlyphMetricsFunc + * + * @description: + * A function used to retrieve the basic metrics of a given glyph index + * before accessing its data. This is necessary because, in certain + * formats like TrueType, the metrics are stored in a different place from + * the glyph images proper. + * + * @input: + * incremental :: + * A handle to an opaque @FT_Incremental handle provided by the client + * application. + * + * glyph_index :: + * Index of relevant glyph. + * + * vertical :: + * If true, return vertical metrics. + * + * ametrics :: + * This parameter is used for both input and output. + * The original glyph metrics, if any, in font units. If metrics are + * not available all the values must be set to zero. + * + * @output: + * ametrics :: + * The replacement glyph metrics in font units. + * + */ + typedef FT_Error + (*FT_Incremental_GetGlyphMetricsFunc) + ( FT_Incremental incremental, + FT_UInt glyph_index, + FT_Bool vertical, + FT_Incremental_MetricsRec *ametrics ); + + + /************************************************************************** + * + * @struct: + * FT_Incremental_FuncsRec + * + * @description: + * A table of functions for accessing fonts that load data + * incrementally. Used in @FT_Incremental_InterfaceRec. + * + * @fields: + * get_glyph_data :: + * The function to get glyph data. Must not be null. + * + * free_glyph_data :: + * The function to release glyph data. Must not be null. + * + * get_glyph_metrics :: + * The function to get glyph metrics. May be null if the font does + * not provide overriding glyph metrics. + * + */ + typedef struct FT_Incremental_FuncsRec_ + { + FT_Incremental_GetGlyphDataFunc get_glyph_data; + FT_Incremental_FreeGlyphDataFunc free_glyph_data; + FT_Incremental_GetGlyphMetricsFunc get_glyph_metrics; + + } FT_Incremental_FuncsRec; + + + /*************************************************************************** + * + * @struct: + * FT_Incremental_InterfaceRec + * + * @description: + * A structure to be used with @FT_Open_Face to indicate that the user + * wants to support incremental glyph loading. You should use it with + * @FT_PARAM_TAG_INCREMENTAL as in the following example: + * + * { + * FT_Incremental_InterfaceRec inc_int; + * FT_Parameter parameter; + * FT_Open_Args open_args; + * + * + * // set up incremental descriptor + * inc_int.funcs = my_funcs; + * inc_int.object = my_object; + * + * // set up optional parameter + * parameter.tag = FT_PARAM_TAG_INCREMENTAL; + * parameter.data = &inc_int; + * + * // set up FT_Open_Args structure + * open_args.flags = FT_OPEN_PATHNAME | FT_OPEN_PARAMS; + * open_args.pathname = my_font_pathname; + * open_args.num_params = 1; + * open_args.params = ¶meter; // we use one optional argument + * + * // open the font + * error = FT_Open_Face( library, &open_args, index, &face ); + * ... + * } + * + */ + typedef struct FT_Incremental_InterfaceRec_ + { + const FT_Incremental_FuncsRec* funcs; + FT_Incremental object; + + } FT_Incremental_InterfaceRec; + + + /*************************************************************************** + * + * @type: + * FT_Incremental_Interface + * + * @description: + * A pointer to an @FT_Incremental_InterfaceRec structure. + * + */ + typedef FT_Incremental_InterfaceRec* FT_Incremental_Interface; + + + /* */ + + +FT_END_HEADER + +#endif /* FTINCREM_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftlcdfil.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftlcdfil.h new file mode 100644 index 00000000000..2a27196cbb8 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftlcdfil.h @@ -0,0 +1,309 @@ +/***************************************************************************/ +/* */ +/* ftlcdfil.h */ +/* */ +/* FreeType API for color filtering of subpixel bitmap glyphs */ +/* (specification). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTLCDFIL_H_ +#define FTLCDFIL_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_PARAMETER_TAGS_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + /*************************************************************************** + * + * @section: + * lcd_filtering + * + * @title: + * LCD Filtering + * + * @abstract: + * Reduce color fringes of subpixel-rendered bitmaps. + * + * @description: + * Should you #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING in your + * `ftoption.h', which enables patented ClearType-style rendering, + * the LCD-optimized glyph bitmaps should be filtered to reduce color + * fringes inherent to this technology. The default FreeType LCD + * rendering uses different technology, and API described below, + * although available, does nothing. + * + * ClearType-style LCD rendering exploits the color-striped structure of + * LCD pixels, increasing the available resolution in the direction of + * the stripe (usually horizontal RGB) by a factor of~3. Since these + * subpixels are color pixels, using them unfiltered creates severe + * color fringes. Use the @FT_Library_SetLcdFilter API to specify a + * low-pass filter, which is then applied to subpixel-rendered bitmaps + * generated through @FT_Render_Glyph. The filter sacrifices some of + * the higher resolution to reduce color fringes, making the glyph image + * slightly blurrier. Positional improvements will remain. + * + * A filter should have two properties: + * + * 1) It should be normalized, meaning the sum of the 5~components + * should be 256 (0x100). It is possible to go above or under this + * target sum, however: going under means tossing out contrast, going + * over means invoking clamping and thereby non-linearities that + * increase contrast somewhat at the expense of greater distortion + * and color-fringing. Contrast is better enhanced through stem + * darkening. + * + * 2) It should be color-balanced, meaning a filter `{~a, b, c, b, a~}' + * where a~+ b~=~c. It distributes the computed coverage for one + * subpixel to all subpixels equally, sacrificing some won resolution + * but drastically reducing color-fringing. Positioning improvements + * remain! Note that color-fringing can only really be minimized + * when using a color-balanced filter and alpha-blending the glyph + * onto a surface in linear space; see @FT_Render_Glyph. + * + * Regarding the form, a filter can be a `boxy' filter or a `beveled' + * filter. Boxy filters are sharper but are less forgiving of non-ideal + * gamma curves of a screen (viewing angles!), beveled filters are + * fuzzier but more tolerant. + * + * Examples: + * + * - [0x10 0x40 0x70 0x40 0x10] is beveled and neither balanced nor + * normalized. + * + * - [0x1A 0x33 0x4D 0x33 0x1A] is beveled and balanced but not + * normalized. + * + * - [0x19 0x33 0x66 0x4c 0x19] is beveled and normalized but not + * balanced. + * + * - [0x00 0x4c 0x66 0x4c 0x00] is boxily beveled and normalized but not + * balanced. + * + * - [0x00 0x55 0x56 0x55 0x00] is boxy, normalized, and almost + * balanced. + * + * - [0x08 0x4D 0x56 0x4D 0x08] is beveled, normalized and, almost + * balanced. + * + * The filter affects glyph bitmaps rendered through @FT_Render_Glyph, + * @FT_Load_Glyph, and @FT_Load_Char. It does _not_ affect the output + * of @FT_Outline_Render and @FT_Outline_Get_Bitmap. + * + * If this feature is activated, the dimensions of LCD glyph bitmaps are + * either wider or taller than the dimensions of the corresponding + * outline with regard to the pixel grid. For example, for + * @FT_RENDER_MODE_LCD, the filter adds 3~subpixels to the left, and + * 3~subpixels to the right. The bitmap offset values are adjusted + * accordingly, so clients shouldn't need to modify their layout and + * glyph positioning code when enabling the filter. + * + * It is important to understand that linear alpha blending and gamma + * correction is critical for correctly rendering glyphs onto surfaces + * without artifacts and even more critical when subpixel rendering is + * involved. + * + * Each of the 3~alpha values (subpixels) is independently used to blend + * one color channel. That is, red alpha blends the red channel of the + * text color with the red channel of the background pixel. The + * distribution of density values by the color-balanced filter assumes + * alpha blending is done in linear space; only then color artifacts + * cancel out. + */ + + + /**************************************************************************** + * + * @enum: + * FT_LcdFilter + * + * @description: + * A list of values to identify various types of LCD filters. + * + * @values: + * FT_LCD_FILTER_NONE :: + * Do not perform filtering. When used with subpixel rendering, this + * results in sometimes severe color fringes. + * + * FT_LCD_FILTER_DEFAULT :: + * The default filter reduces color fringes considerably, at the cost + * of a slight blurriness in the output. + * + * It is a beveled, normalized, and color-balanced five-tap filter + * that is more forgiving to screens with non-ideal gamma curves and + * viewing angles. Note that while color-fringing is reduced, it can + * only be minimized by using linear alpha blending and gamma + * correction to render glyphs onto surfaces. The default filter + * weights are [0x08 0x4D 0x56 0x4D 0x08]. + * + * FT_LCD_FILTER_LIGHT :: + * The light filter is a variant that is sharper at the cost of + * slightly more color fringes than the default one. + * + * It is a boxy, normalized, and color-balanced three-tap filter that + * is less forgiving to screens with non-ideal gamma curves and + * viewing angles. This filter works best when the rendering system + * uses linear alpha blending and gamma correction to render glyphs + * onto surfaces. The light filter weights are + * [0x00 0x55 0x56 0x55 0x00]. + * + * FT_LCD_FILTER_LEGACY :: + * This filter corresponds to the original libXft color filter. It + * provides high contrast output but can exhibit really bad color + * fringes if glyphs are not extremely well hinted to the pixel grid. + * In other words, it only works well if the TrueType bytecode + * interpreter is enabled *and* high-quality hinted fonts are used. + * + * This filter is only provided for comparison purposes, and might be + * disabled or stay unsupported in the future. + * + * FT_LCD_FILTER_LEGACY1 :: + * For historical reasons, the FontConfig library returns a different + * enumeration value for legacy LCD filtering. To make code work that + * (incorrectly) forwards FontConfig's enumeration value to + * @FT_Library_SetLcdFilter without proper mapping, it is thus easiest + * to have another enumeration value, which is completely equal to + * `FT_LCD_FILTER_LEGACY'. + * + * @since: + * 2.3.0 (`FT_LCD_FILTER_LEGACY1' since 2.6.2) + */ + typedef enum FT_LcdFilter_ + { + FT_LCD_FILTER_NONE = 0, + FT_LCD_FILTER_DEFAULT = 1, + FT_LCD_FILTER_LIGHT = 2, + FT_LCD_FILTER_LEGACY1 = 3, + FT_LCD_FILTER_LEGACY = 16, + + FT_LCD_FILTER_MAX /* do not remove */ + + } FT_LcdFilter; + + + /************************************************************************** + * + * @func: + * FT_Library_SetLcdFilter + * + * @description: + * This function is used to apply color filtering to LCD decimated + * bitmaps, like the ones used when calling @FT_Render_Glyph with + * @FT_RENDER_MODE_LCD or @FT_RENDER_MODE_LCD_V. + * + * @input: + * library :: + * A handle to the target library instance. + * + * filter :: + * The filter type. + * + * You can use @FT_LCD_FILTER_NONE here to disable this feature, or + * @FT_LCD_FILTER_DEFAULT to use a default filter that should work + * well on most LCD screens. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * This feature is always disabled by default. Clients must make an + * explicit call to this function with a `filter' value other than + * @FT_LCD_FILTER_NONE in order to enable it. + * + * Due to *PATENTS* covering subpixel rendering, this function doesn't + * do anything except returning `FT_Err_Unimplemented_Feature' if the + * configuration macro FT_CONFIG_OPTION_SUBPIXEL_RENDERING is not + * defined in your build of the library, which should correspond to all + * default builds of FreeType. + * + * @since: + * 2.3.0 + */ + FT_EXPORT( FT_Error ) + FT_Library_SetLcdFilter( FT_Library library, + FT_LcdFilter filter ); + + + /************************************************************************** + * + * @func: + * FT_Library_SetLcdFilterWeights + * + * @description: + * This function can be used to enable LCD filter with custom weights, + * instead of using presets in @FT_Library_SetLcdFilter. + * + * @input: + * library :: + * A handle to the target library instance. + * + * weights :: + * A pointer to an array; the function copies the first five bytes and + * uses them to specify the filter weights. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * Due to *PATENTS* covering subpixel rendering, this function doesn't + * do anything except returning `FT_Err_Unimplemented_Feature' if the + * configuration macro FT_CONFIG_OPTION_SUBPIXEL_RENDERING is not + * defined in your build of the library, which should correspond to all + * default builds of FreeType. + * + * LCD filter weights can also be set per face using @FT_Face_Properties + * with @FT_PARAM_TAG_LCD_FILTER_WEIGHTS. + * + * @since: + * 2.4.0 + */ + FT_EXPORT( FT_Error ) + FT_Library_SetLcdFilterWeights( FT_Library library, + unsigned char *weights ); + + + /* + * @type: + * FT_LcdFiveTapFilter + * + * @description: + * A typedef for passing the five LCD filter weights to + * @FT_Face_Properties within an @FT_Parameter structure. + * + * @since: + * 2.8 + * + */ +#define FT_LCD_FILTER_FIVE_TAPS 5 + + typedef FT_Byte FT_LcdFiveTapFilter[FT_LCD_FILTER_FIVE_TAPS]; + + + /* */ + + +FT_END_HEADER + +#endif /* FTLCDFIL_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftlist.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftlist.h new file mode 100644 index 00000000000..117473b96a2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftlist.h @@ -0,0 +1,276 @@ +/***************************************************************************/ +/* */ +/* ftlist.h */ +/* */ +/* Generic list support for FreeType (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file implements functions relative to list processing. Its */ + /* data structures are defined in `freetype.h'. */ + /* */ + /*************************************************************************/ + + +#ifndef FTLIST_H_ +#define FTLIST_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* list_processing */ + /* */ + /* <Title> */ + /* List Processing */ + /* */ + /* <Abstract> */ + /* Simple management of lists. */ + /* */ + /* <Description> */ + /* This section contains various definitions related to list */ + /* processing using doubly-linked nodes. */ + /* */ + /* <Order> */ + /* FT_List */ + /* FT_ListNode */ + /* FT_ListRec */ + /* FT_ListNodeRec */ + /* */ + /* FT_List_Add */ + /* FT_List_Insert */ + /* FT_List_Find */ + /* FT_List_Remove */ + /* FT_List_Up */ + /* FT_List_Iterate */ + /* FT_List_Iterator */ + /* FT_List_Finalize */ + /* FT_List_Destructor */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_List_Find */ + /* */ + /* <Description> */ + /* Find the list node for a given listed object. */ + /* */ + /* <Input> */ + /* list :: A pointer to the parent list. */ + /* data :: The address of the listed object. */ + /* */ + /* <Return> */ + /* List node. NULL if it wasn't found. */ + /* */ + FT_EXPORT( FT_ListNode ) + FT_List_Find( FT_List list, + void* data ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_List_Add */ + /* */ + /* <Description> */ + /* Append an element to the end of a list. */ + /* */ + /* <InOut> */ + /* list :: A pointer to the parent list. */ + /* node :: The node to append. */ + /* */ + FT_EXPORT( void ) + FT_List_Add( FT_List list, + FT_ListNode node ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_List_Insert */ + /* */ + /* <Description> */ + /* Insert an element at the head of a list. */ + /* */ + /* <InOut> */ + /* list :: A pointer to parent list. */ + /* node :: The node to insert. */ + /* */ + FT_EXPORT( void ) + FT_List_Insert( FT_List list, + FT_ListNode node ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_List_Remove */ + /* */ + /* <Description> */ + /* Remove a node from a list. This function doesn't check whether */ + /* the node is in the list! */ + /* */ + /* <Input> */ + /* node :: The node to remove. */ + /* */ + /* <InOut> */ + /* list :: A pointer to the parent list. */ + /* */ + FT_EXPORT( void ) + FT_List_Remove( FT_List list, + FT_ListNode node ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_List_Up */ + /* */ + /* <Description> */ + /* Move a node to the head/top of a list. Used to maintain LRU */ + /* lists. */ + /* */ + /* <InOut> */ + /* list :: A pointer to the parent list. */ + /* node :: The node to move. */ + /* */ + FT_EXPORT( void ) + FT_List_Up( FT_List list, + FT_ListNode node ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_List_Iterator */ + /* */ + /* <Description> */ + /* An FT_List iterator function that is called during a list parse */ + /* by @FT_List_Iterate. */ + /* */ + /* <Input> */ + /* node :: The current iteration list node. */ + /* */ + /* user :: A typeless pointer passed to @FT_List_Iterate. */ + /* Can be used to point to the iteration's state. */ + /* */ + typedef FT_Error + (*FT_List_Iterator)( FT_ListNode node, + void* user ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_List_Iterate */ + /* */ + /* <Description> */ + /* Parse a list and calls a given iterator function on each element. */ + /* Note that parsing is stopped as soon as one of the iterator calls */ + /* returns a non-zero value. */ + /* */ + /* <Input> */ + /* list :: A handle to the list. */ + /* iterator :: An iterator function, called on each node of the list. */ + /* user :: A user-supplied field that is passed as the second */ + /* argument to the iterator. */ + /* */ + /* <Return> */ + /* The result (a FreeType error code) of the last iterator call. */ + /* */ + FT_EXPORT( FT_Error ) + FT_List_Iterate( FT_List list, + FT_List_Iterator iterator, + void* user ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_List_Destructor */ + /* */ + /* <Description> */ + /* An @FT_List iterator function that is called during a list */ + /* finalization by @FT_List_Finalize to destroy all elements in a */ + /* given list. */ + /* */ + /* <Input> */ + /* system :: The current system object. */ + /* */ + /* data :: The current object to destroy. */ + /* */ + /* user :: A typeless pointer passed to @FT_List_Iterate. It can */ + /* be used to point to the iteration's state. */ + /* */ + typedef void + (*FT_List_Destructor)( FT_Memory memory, + void* data, + void* user ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_List_Finalize */ + /* */ + /* <Description> */ + /* Destroy all elements in the list as well as the list itself. */ + /* */ + /* <Input> */ + /* list :: A handle to the list. */ + /* */ + /* destroy :: A list destructor that will be applied to each element */ + /* of the list. Set this to NULL if not needed. */ + /* */ + /* memory :: The current memory object that handles deallocation. */ + /* */ + /* user :: A user-supplied field that is passed as the last */ + /* argument to the destructor. */ + /* */ + /* <Note> */ + /* This function expects that all nodes added by @FT_List_Add or */ + /* @FT_List_Insert have been dynamically allocated. */ + /* */ + FT_EXPORT( void ) + FT_List_Finalize( FT_List list, + FT_List_Destructor destroy, + FT_Memory memory, + void* user ); + + /* */ + + +FT_END_HEADER + +#endif /* FTLIST_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmac.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmac.h new file mode 100644 index 00000000000..c1e497ca2db --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmac.h @@ -0,0 +1,275 @@ +/***************************************************************************/ +/* */ +/* ftmac.h */ +/* */ +/* Additional Mac-specific API. */ +/* */ +/* Copyright 1996-2018 by */ +/* Just van Rossum, David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +/***************************************************************************/ +/* */ +/* NOTE: Include this file after FT_FREETYPE_H and after any */ +/* Mac-specific headers (because this header uses Mac types such as */ +/* Handle, FSSpec, FSRef, etc.) */ +/* */ +/***************************************************************************/ + + +#ifndef FTMAC_H_ +#define FTMAC_H_ + + +#include <ft2build.h> + + +FT_BEGIN_HEADER + + + /* gcc-3.1 and later can warn about functions tagged as deprecated */ +#ifndef FT_DEPRECATED_ATTRIBUTE +#if defined( __GNUC__ ) && \ + ( ( __GNUC__ >= 4 ) || \ + ( ( __GNUC__ == 3 ) && ( __GNUC_MINOR__ >= 1 ) ) ) +#define FT_DEPRECATED_ATTRIBUTE __attribute__(( deprecated )) +#else +#define FT_DEPRECATED_ATTRIBUTE +#endif +#endif + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* mac_specific */ + /* */ + /* <Title> */ + /* Mac Specific Interface */ + /* */ + /* <Abstract> */ + /* Only available on the Macintosh. */ + /* */ + /* <Description> */ + /* The following definitions are only available if FreeType is */ + /* compiled on a Macintosh. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Face_From_FOND */ + /* */ + /* <Description> */ + /* Create a new face object from a FOND resource. */ + /* */ + /* <InOut> */ + /* library :: A handle to the library resource. */ + /* */ + /* <Input> */ + /* fond :: A FOND resource. */ + /* */ + /* face_index :: Only supported for the -1 `sanity check' special */ + /* case. */ + /* */ + /* <Output> */ + /* aface :: A handle to a new face object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Notes> */ + /* This function can be used to create @FT_Face objects from fonts */ + /* that are installed in the system as follows. */ + /* */ + /* { */ + /* fond = GetResource( 'FOND', fontName ); */ + /* error = FT_New_Face_From_FOND( library, fond, 0, &face ); */ + /* } */ + /* */ + FT_EXPORT( FT_Error ) + FT_New_Face_From_FOND( FT_Library library, + Handle fond, + FT_Long face_index, + FT_Face *aface ) + FT_DEPRECATED_ATTRIBUTE; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_GetFile_From_Mac_Name */ + /* */ + /* <Description> */ + /* Return an FSSpec for the disk file containing the named font. */ + /* */ + /* <Input> */ + /* fontName :: Mac OS name of the font (e.g., Times New Roman */ + /* Bold). */ + /* */ + /* <Output> */ + /* pathSpec :: FSSpec to the file. For passing to */ + /* @FT_New_Face_From_FSSpec. */ + /* */ + /* face_index :: Index of the face. For passing to */ + /* @FT_New_Face_From_FSSpec. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_GetFile_From_Mac_Name( const char* fontName, + FSSpec* pathSpec, + FT_Long* face_index ) + FT_DEPRECATED_ATTRIBUTE; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_GetFile_From_Mac_ATS_Name */ + /* */ + /* <Description> */ + /* Return an FSSpec for the disk file containing the named font. */ + /* */ + /* <Input> */ + /* fontName :: Mac OS name of the font in ATS framework. */ + /* */ + /* <Output> */ + /* pathSpec :: FSSpec to the file. For passing to */ + /* @FT_New_Face_From_FSSpec. */ + /* */ + /* face_index :: Index of the face. For passing to */ + /* @FT_New_Face_From_FSSpec. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_GetFile_From_Mac_ATS_Name( const char* fontName, + FSSpec* pathSpec, + FT_Long* face_index ) + FT_DEPRECATED_ATTRIBUTE; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_GetFilePath_From_Mac_ATS_Name */ + /* */ + /* <Description> */ + /* Return a pathname of the disk file and face index for given font */ + /* name that is handled by ATS framework. */ + /* */ + /* <Input> */ + /* fontName :: Mac OS name of the font in ATS framework. */ + /* */ + /* <Output> */ + /* path :: Buffer to store pathname of the file. For passing */ + /* to @FT_New_Face. The client must allocate this */ + /* buffer before calling this function. */ + /* */ + /* maxPathSize :: Lengths of the buffer `path' that client allocated. */ + /* */ + /* face_index :: Index of the face. For passing to @FT_New_Face. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_GetFilePath_From_Mac_ATS_Name( const char* fontName, + UInt8* path, + UInt32 maxPathSize, + FT_Long* face_index ) + FT_DEPRECATED_ATTRIBUTE; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Face_From_FSSpec */ + /* */ + /* <Description> */ + /* Create a new face object from a given resource and typeface index */ + /* using an FSSpec to the font file. */ + /* */ + /* <InOut> */ + /* library :: A handle to the library resource. */ + /* */ + /* <Input> */ + /* spec :: FSSpec to the font file. */ + /* */ + /* face_index :: The index of the face within the resource. The */ + /* first face has index~0. */ + /* <Output> */ + /* aface :: A handle to a new face object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* @FT_New_Face_From_FSSpec is identical to @FT_New_Face except */ + /* it accepts an FSSpec instead of a path. */ + /* */ + FT_EXPORT( FT_Error ) + FT_New_Face_From_FSSpec( FT_Library library, + const FSSpec *spec, + FT_Long face_index, + FT_Face *aface ) + FT_DEPRECATED_ATTRIBUTE; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Face_From_FSRef */ + /* */ + /* <Description> */ + /* Create a new face object from a given resource and typeface index */ + /* using an FSRef to the font file. */ + /* */ + /* <InOut> */ + /* library :: A handle to the library resource. */ + /* */ + /* <Input> */ + /* spec :: FSRef to the font file. */ + /* */ + /* face_index :: The index of the face within the resource. The */ + /* first face has index~0. */ + /* <Output> */ + /* aface :: A handle to a new face object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* @FT_New_Face_From_FSRef is identical to @FT_New_Face except */ + /* it accepts an FSRef instead of a path. */ + /* */ + FT_EXPORT( FT_Error ) + FT_New_Face_From_FSRef( FT_Library library, + const FSRef *ref, + FT_Long face_index, + FT_Face *aface ) + FT_DEPRECATED_ATTRIBUTE; + + /* */ + + +FT_END_HEADER + + +#endif /* FTMAC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmm.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmm.h new file mode 100644 index 00000000000..9948102c14f --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmm.h @@ -0,0 +1,638 @@ +/***************************************************************************/ +/* */ +/* ftmm.h */ +/* */ +/* FreeType Multiple Master font interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTMM_H_ +#define FTMM_H_ + + +#include <ft2build.h> +#include FT_TYPE1_TABLES_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* multiple_masters */ + /* */ + /* <Title> */ + /* Multiple Masters */ + /* */ + /* <Abstract> */ + /* How to manage Multiple Masters fonts. */ + /* */ + /* <Description> */ + /* The following types and functions are used to manage Multiple */ + /* Master fonts, i.e., the selection of specific design instances by */ + /* setting design axis coordinates. */ + /* */ + /* Besides Adobe MM fonts, the interface supports Apple's TrueType GX */ + /* and OpenType variation fonts. Some of the routines only work with */ + /* Adobe MM fonts, others will work with all three types. They are */ + /* similar enough that a consistent interface makes sense. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_MM_Axis */ + /* */ + /* <Description> */ + /* A structure to model a given axis in design space for Multiple */ + /* Masters fonts. */ + /* */ + /* This structure can't be used for TrueType GX or OpenType variation */ + /* fonts. */ + /* */ + /* <Fields> */ + /* name :: The axis's name. */ + /* */ + /* minimum :: The axis's minimum design coordinate. */ + /* */ + /* maximum :: The axis's maximum design coordinate. */ + /* */ + typedef struct FT_MM_Axis_ + { + FT_String* name; + FT_Long minimum; + FT_Long maximum; + + } FT_MM_Axis; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Multi_Master */ + /* */ + /* <Description> */ + /* A structure to model the axes and space of a Multiple Masters */ + /* font. */ + /* */ + /* This structure can't be used for TrueType GX or OpenType variation */ + /* fonts. */ + /* */ + /* <Fields> */ + /* num_axis :: Number of axes. Cannot exceed~4. */ + /* */ + /* num_designs :: Number of designs; should be normally 2^num_axis */ + /* even though the Type~1 specification strangely */ + /* allows for intermediate designs to be present. */ + /* This number cannot exceed~16. */ + /* */ + /* axis :: A table of axis descriptors. */ + /* */ + typedef struct FT_Multi_Master_ + { + FT_UInt num_axis; + FT_UInt num_designs; + FT_MM_Axis axis[T1_MAX_MM_AXIS]; + + } FT_Multi_Master; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Var_Axis */ + /* */ + /* <Description> */ + /* A structure to model a given axis in design space for Multiple */ + /* Masters, TrueType GX, and OpenType variation fonts. */ + /* */ + /* <Fields> */ + /* name :: The axis's name. */ + /* Not always meaningful for TrueType GX or OpenType */ + /* variation fonts. */ + /* */ + /* minimum :: The axis's minimum design coordinate. */ + /* */ + /* def :: The axis's default design coordinate. */ + /* FreeType computes meaningful default values for Adobe */ + /* MM fonts. */ + /* */ + /* maximum :: The axis's maximum design coordinate. */ + /* */ + /* tag :: The axis's tag (the equivalent to `name' for TrueType */ + /* GX and OpenType variation fonts). FreeType provides */ + /* default values for Adobe MM fonts if possible. */ + /* */ + /* strid :: The axis name entry in the font's `name' table. This */ + /* is another (and often better) version of the `name' */ + /* field for TrueType GX or OpenType variation fonts. Not */ + /* meaningful for Adobe MM fonts. */ + /* */ + /* <Note> */ + /* The fields `minimum', `def', and `maximum' are 16.16 fractional */ + /* values for TrueType GX and OpenType variation fonts. For Adobe MM */ + /* fonts, the values are integers. */ + /* */ + typedef struct FT_Var_Axis_ + { + FT_String* name; + + FT_Fixed minimum; + FT_Fixed def; + FT_Fixed maximum; + + FT_ULong tag; + FT_UInt strid; + + } FT_Var_Axis; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Var_Named_Style */ + /* */ + /* <Description> */ + /* A structure to model a named instance in a TrueType GX or OpenType */ + /* variation font. */ + /* */ + /* This structure can't be used for Adobe MM fonts. */ + /* */ + /* <Fields> */ + /* coords :: The design coordinates for this instance. */ + /* This is an array with one entry for each axis. */ + /* */ + /* strid :: The entry in `name' table identifying this instance. */ + /* */ + /* psid :: The entry in `name' table identifying a PostScript name */ + /* for this instance. Value 0xFFFF indicates a missing */ + /* entry. */ + /* */ + typedef struct FT_Var_Named_Style_ + { + FT_Fixed* coords; + FT_UInt strid; + FT_UInt psid; /* since 2.7.1 */ + + } FT_Var_Named_Style; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_MM_Var */ + /* */ + /* <Description> */ + /* A structure to model the axes and space of an Adobe MM, TrueType */ + /* GX, or OpenType variation font. */ + /* */ + /* Some fields are specific to one format and not to the others. */ + /* */ + /* <Fields> */ + /* num_axis :: The number of axes. The maximum value is~4 for */ + /* Adobe MM fonts; no limit in TrueType GX or */ + /* OpenType variation fonts. */ + /* */ + /* num_designs :: The number of designs; should be normally */ + /* 2^num_axis for Adobe MM fonts. Not meaningful */ + /* for TrueType GX or OpenType variation fonts */ + /* (where every glyph could have a different */ + /* number of designs). */ + /* */ + /* num_namedstyles :: The number of named styles; a `named style' is */ + /* a tuple of design coordinates that has a string */ + /* ID (in the `name' table) associated with it. */ + /* The font can tell the user that, for example, */ + /* [Weight=1.5,Width=1.1] is `Bold'. Another name */ + /* for `named style' is `named instance'. */ + /* */ + /* For Adobe Multiple Masters fonts, this value is */ + /* always zero because the format does not support */ + /* named styles. */ + /* */ + /* axis :: An axis descriptor table. */ + /* TrueType GX and OpenType variation fonts */ + /* contain slightly more data than Adobe MM fonts. */ + /* Memory management of this pointer is done */ + /* internally by FreeType. */ + /* */ + /* namedstyle :: A named style (instance) table. */ + /* Only meaningful for TrueType GX and OpenType */ + /* variation fonts. Memory management of this */ + /* pointer is done internally by FreeType. */ + /* */ + typedef struct FT_MM_Var_ + { + FT_UInt num_axis; + FT_UInt num_designs; + FT_UInt num_namedstyles; + FT_Var_Axis* axis; + FT_Var_Named_Style* namedstyle; + + } FT_MM_Var; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Multi_Master */ + /* */ + /* <Description> */ + /* Retrieve a variation descriptor of a given Adobe MM font. */ + /* */ + /* This function can't be used with TrueType GX or OpenType variation */ + /* fonts. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* <Output> */ + /* amaster :: The Multiple Masters descriptor. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Multi_Master( FT_Face face, + FT_Multi_Master *amaster ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_MM_Var */ + /* */ + /* <Description> */ + /* Retrieve a variation descriptor for a given font. */ + /* */ + /* This function works with all supported variation formats. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* <Output> */ + /* amaster :: The variation descriptor. */ + /* Allocates a data structure, which the user must */ + /* deallocate with a call to @FT_Done_MM_Var after use. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_MM_Var( FT_Face face, + FT_MM_Var* *amaster ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Done_MM_Var */ + /* */ + /* <Description> */ + /* Free the memory allocated by @FT_Get_MM_Var. */ + /* */ + /* <Input> */ + /* library :: A handle of the face's parent library object that was */ + /* used in the call to @FT_Get_MM_Var to create `amaster'. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Done_MM_Var( FT_Library library, + FT_MM_Var *amaster ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_MM_Design_Coordinates */ + /* */ + /* <Description> */ + /* For Adobe MM fonts, choose an interpolated font design through */ + /* design coordinates. */ + /* */ + /* This function can't be used with TrueType GX or OpenType variation */ + /* fonts. */ + /* */ + /* <InOut> */ + /* face :: A handle to the source face. */ + /* */ + /* <Input> */ + /* num_coords :: The number of available design coordinates. If it */ + /* is larger than the number of axes, ignore the excess */ + /* values. If it is smaller than the number of axes, */ + /* use default values for the remaining axes. */ + /* */ + /* coords :: An array of design coordinates. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* [Since 2.8.1] To reset all axes to the default values, call the */ + /* function with `num_coords' set to zero and `coords' set to NULL. */ + /* */ + /* [Since 2.9] If `num_coords' is larger than zero, this function */ + /* sets the @FT_FACE_FLAG_VARIATION bit in @FT_Face's `face_flags' */ + /* field (i.e., @FT_IS_VARIATION will return true). If `num_coords' */ + /* is zero, this bit flag gets unset. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Set_MM_Design_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Long* coords ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Var_Design_Coordinates */ + /* */ + /* <Description> */ + /* Choose an interpolated font design through design coordinates. */ + /* */ + /* This function works with all supported variation formats. */ + /* */ + /* <InOut> */ + /* face :: A handle to the source face. */ + /* */ + /* <Input> */ + /* num_coords :: The number of available design coordinates. If it */ + /* is larger than the number of axes, ignore the excess */ + /* values. If it is smaller than the number of axes, */ + /* use default values for the remaining axes. */ + /* */ + /* coords :: An array of design coordinates. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* [Since 2.8.1] To reset all axes to the default values, call the */ + /* function with `num_coords' set to zero and `coords' set to NULL. */ + /* [Since 2.9] `Default values' means the currently selected named */ + /* instance (or the base font if no named instance is selected). */ + /* */ + /* [Since 2.9] If `num_coords' is larger than zero, this function */ + /* sets the @FT_FACE_FLAG_VARIATION bit in @FT_Face's `face_flags' */ + /* field (i.e., @FT_IS_VARIATION will return true). If `num_coords' */ + /* is zero, this bit flag gets unset. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Set_Var_Design_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Var_Design_Coordinates */ + /* */ + /* <Description> */ + /* Get the design coordinates of the currently selected interpolated */ + /* font. */ + /* */ + /* This function works with all supported variation formats. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* num_coords :: The number of design coordinates to retrieve. If it */ + /* is larger than the number of axes, set the excess */ + /* values to~0. */ + /* */ + /* <Output> */ + /* coords :: The design coordinates array. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Since> */ + /* 2.7.1 */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Var_Design_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_MM_Blend_Coordinates */ + /* */ + /* <Description> */ + /* Choose an interpolated font design through normalized blend */ + /* coordinates. */ + /* */ + /* This function works with all supported variation formats. */ + /* */ + /* <InOut> */ + /* face :: A handle to the source face. */ + /* */ + /* <Input> */ + /* num_coords :: The number of available design coordinates. If it */ + /* is larger than the number of axes, ignore the excess */ + /* values. If it is smaller than the number of axes, */ + /* use default values for the remaining axes. */ + /* */ + /* coords :: The design coordinates array (each element must be */ + /* between 0 and 1.0 for Adobe MM fonts, and between */ + /* -1.0 and 1.0 for TrueType GX and OpenType variation */ + /* fonts). */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* [Since 2.8.1] To reset all axes to the default values, call the */ + /* function with `num_coords' set to zero and `coords' set to NULL. */ + /* [Since 2.9] `Default values' means the currently selected named */ + /* instance (or the base font if no named instance is selected). */ + /* */ + /* [Since 2.9] If `num_coords' is larger than zero, this function */ + /* sets the @FT_FACE_FLAG_VARIATION bit in @FT_Face's `face_flags' */ + /* field (i.e., @FT_IS_VARIATION will return true). If `num_coords' */ + /* is zero, this bit flag gets unset. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Set_MM_Blend_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_MM_Blend_Coordinates */ + /* */ + /* <Description> */ + /* Get the normalized blend coordinates of the currently selected */ + /* interpolated font. */ + /* */ + /* This function works with all supported variation formats. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* num_coords :: The number of normalized blend coordinates to */ + /* retrieve. If it is larger than the number of axes, */ + /* set the excess values to~0.5 for Adobe MM fonts, and */ + /* to~0 for TrueType GX and OpenType variation fonts. */ + /* */ + /* <Output> */ + /* coords :: The normalized blend coordinates array. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Since> */ + /* 2.7.1 */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_MM_Blend_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Var_Blend_Coordinates */ + /* */ + /* <Description> */ + /* This is another name of @FT_Set_MM_Blend_Coordinates. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Set_Var_Blend_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Var_Blend_Coordinates */ + /* */ + /* <Description> */ + /* This is another name of @FT_Get_MM_Blend_Coordinates. */ + /* */ + /* <Since> */ + /* 2.7.1 */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Var_Blend_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_VAR_AXIS_FLAG_XXX */ + /* */ + /* <Description> */ + /* A list of bit flags used in the return value of */ + /* @FT_Get_Var_Axis_Flags. */ + /* */ + /* <Values> */ + /* FT_VAR_AXIS_FLAG_HIDDEN :: */ + /* The variation axis should not be exposed to user interfaces. */ + /* */ + /* <Since> */ + /* 2.8.1 */ + /* */ +#define FT_VAR_AXIS_FLAG_HIDDEN 1 + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Var_Axis_Flags */ + /* */ + /* <Description> */ + /* Get the `flags' field of an OpenType Variation Axis Record. */ + /* */ + /* Not meaningful for Adobe MM fonts (`*flags' is always zero). */ + /* */ + /* <Input> */ + /* master :: The variation descriptor. */ + /* */ + /* axis_index :: The index of the requested variation axis. */ + /* */ + /* <Output> */ + /* flags :: The `flags' field. See @FT_VAR_AXIS_FLAG_XXX for */ + /* possible values. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Since> */ + /* 2.8.1 */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Var_Axis_Flags( FT_MM_Var* master, + FT_UInt axis_index, + FT_UInt* flags ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Named_Instance */ + /* */ + /* <Description> */ + /* Set or change the current named instance. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* instance_index :: The index of the requested instance, starting */ + /* with value 1. If set to value 0, FreeType */ + /* switches to font access without a named */ + /* instance. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The function uses the value of `instance_index' to set bits 16-30 */ + /* of the face's `face_index' field. It also resets any variation */ + /* applied to the font, and the @FT_FACE_FLAG_VARIATION bit of the */ + /* face's `face_flags' field gets reset to zero (i.e., */ + /* @FT_IS_VARIATION will return false). */ + /* */ + /* For Adobe MM fonts (which don't have named instances) this */ + /* function simply resets the current face to the default instance. */ + /* */ + /* <Since> */ + /* 2.9 */ + /* */ + FT_EXPORT( FT_Error ) + FT_Set_Named_Instance( FT_Face face, + FT_UInt instance_index ); + + /* */ + + +FT_END_HEADER + +#endif /* FTMM_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmodapi.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmodapi.h new file mode 100644 index 00000000000..a6eb876ebe3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmodapi.h @@ -0,0 +1,711 @@ +/***************************************************************************/ +/* */ +/* ftmodapi.h */ +/* */ +/* FreeType modules public interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTMODAPI_H_ +#define FTMODAPI_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* module_management */ + /* */ + /* <Title> */ + /* Module Management */ + /* */ + /* <Abstract> */ + /* How to add, upgrade, remove, and control modules from FreeType. */ + /* */ + /* <Description> */ + /* The definitions below are used to manage modules within FreeType. */ + /* Modules can be added, upgraded, and removed at runtime. */ + /* Additionally, some module properties can be controlled also. */ + /* */ + /* Here is a list of possible values of the `module_name' field in */ + /* the @FT_Module_Class structure. */ + /* */ + /* { */ + /* autofitter */ + /* bdf */ + /* cff */ + /* gxvalid */ + /* otvalid */ + /* pcf */ + /* pfr */ + /* psaux */ + /* pshinter */ + /* psnames */ + /* raster1 */ + /* sfnt */ + /* smooth, smooth-lcd, smooth-lcdv */ + /* truetype */ + /* type1 */ + /* type42 */ + /* t1cid */ + /* winfonts */ + /* } */ + /* */ + /* Note that the FreeType Cache sub-system is not a FreeType module. */ + /* */ + /* <Order> */ + /* FT_Module */ + /* FT_Module_Constructor */ + /* FT_Module_Destructor */ + /* FT_Module_Requester */ + /* FT_Module_Class */ + /* */ + /* FT_Add_Module */ + /* FT_Get_Module */ + /* FT_Remove_Module */ + /* FT_Add_Default_Modules */ + /* */ + /* FT_Property_Set */ + /* FT_Property_Get */ + /* FT_Set_Default_Properties */ + /* */ + /* FT_New_Library */ + /* FT_Done_Library */ + /* FT_Reference_Library */ + /* */ + /* FT_Renderer */ + /* FT_Renderer_Class */ + /* */ + /* FT_Get_Renderer */ + /* FT_Set_Renderer */ + /* */ + /* FT_Set_Debug_Hook */ + /* */ + /*************************************************************************/ + + + /* module bit flags */ +#define FT_MODULE_FONT_DRIVER 1 /* this module is a font driver */ +#define FT_MODULE_RENDERER 2 /* this module is a renderer */ +#define FT_MODULE_HINTER 4 /* this module is a glyph hinter */ +#define FT_MODULE_STYLER 8 /* this module is a styler */ + +#define FT_MODULE_DRIVER_SCALABLE 0x100 /* the driver supports */ + /* scalable fonts */ +#define FT_MODULE_DRIVER_NO_OUTLINES 0x200 /* the driver does not */ + /* support vector outlines */ +#define FT_MODULE_DRIVER_HAS_HINTER 0x400 /* the driver provides its */ + /* own hinter */ +#define FT_MODULE_DRIVER_HINTS_LIGHTLY 0x800 /* the driver's hinter */ + /* produces LIGHT hints */ + + + /* deprecated values */ +#define ft_module_font_driver FT_MODULE_FONT_DRIVER +#define ft_module_renderer FT_MODULE_RENDERER +#define ft_module_hinter FT_MODULE_HINTER +#define ft_module_styler FT_MODULE_STYLER + +#define ft_module_driver_scalable FT_MODULE_DRIVER_SCALABLE +#define ft_module_driver_no_outlines FT_MODULE_DRIVER_NO_OUTLINES +#define ft_module_driver_has_hinter FT_MODULE_DRIVER_HAS_HINTER +#define ft_module_driver_hints_lightly FT_MODULE_DRIVER_HINTS_LIGHTLY + + + typedef FT_Pointer FT_Module_Interface; + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Module_Constructor */ + /* */ + /* <Description> */ + /* A function used to initialize (not create) a new module object. */ + /* */ + /* <Input> */ + /* module :: The module to initialize. */ + /* */ + typedef FT_Error + (*FT_Module_Constructor)( FT_Module module ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Module_Destructor */ + /* */ + /* <Description> */ + /* A function used to finalize (not destroy) a given module object. */ + /* */ + /* <Input> */ + /* module :: The module to finalize. */ + /* */ + typedef void + (*FT_Module_Destructor)( FT_Module module ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Module_Requester */ + /* */ + /* <Description> */ + /* A function used to query a given module for a specific interface. */ + /* */ + /* <Input> */ + /* module :: The module to be searched. */ + /* */ + /* name :: The name of the interface in the module. */ + /* */ + typedef FT_Module_Interface + (*FT_Module_Requester)( FT_Module module, + const char* name ); + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Module_Class */ + /* */ + /* <Description> */ + /* The module class descriptor. */ + /* */ + /* <Fields> */ + /* module_flags :: Bit flags describing the module. */ + /* */ + /* module_size :: The size of one module object/instance in */ + /* bytes. */ + /* */ + /* module_name :: The name of the module. */ + /* */ + /* module_version :: The version, as a 16.16 fixed number */ + /* (major.minor). */ + /* */ + /* module_requires :: The version of FreeType this module requires, */ + /* as a 16.16 fixed number (major.minor). Starts */ + /* at version 2.0, i.e., 0x20000. */ + /* */ + /* module_init :: The initializing function. */ + /* */ + /* module_done :: The finalizing function. */ + /* */ + /* get_interface :: The interface requesting function. */ + /* */ + typedef struct FT_Module_Class_ + { + FT_ULong module_flags; + FT_Long module_size; + const FT_String* module_name; + FT_Fixed module_version; + FT_Fixed module_requires; + + const void* module_interface; + + FT_Module_Constructor module_init; + FT_Module_Destructor module_done; + FT_Module_Requester get_interface; + + } FT_Module_Class; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Add_Module */ + /* */ + /* <Description> */ + /* Add a new module to a given library instance. */ + /* */ + /* <InOut> */ + /* library :: A handle to the library object. */ + /* */ + /* <Input> */ + /* clazz :: A pointer to class descriptor for the module. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* An error will be returned if a module already exists by that name, */ + /* or if the module requires a version of FreeType that is too great. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Add_Module( FT_Library library, + const FT_Module_Class* clazz ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Module */ + /* */ + /* <Description> */ + /* Find a module by its name. */ + /* */ + /* <Input> */ + /* library :: A handle to the library object. */ + /* */ + /* module_name :: The module's name (as an ASCII string). */ + /* */ + /* <Return> */ + /* A module handle. 0~if none was found. */ + /* */ + /* <Note> */ + /* FreeType's internal modules aren't documented very well, and you */ + /* should look up the source code for details. */ + /* */ + FT_EXPORT( FT_Module ) + FT_Get_Module( FT_Library library, + const char* module_name ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Remove_Module */ + /* */ + /* <Description> */ + /* Remove a given module from a library instance. */ + /* */ + /* <InOut> */ + /* library :: A handle to a library object. */ + /* */ + /* <Input> */ + /* module :: A handle to a module object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The module object is destroyed by the function in case of success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Remove_Module( FT_Library library, + FT_Module module ); + + + /********************************************************************** + * + * @function: + * FT_Property_Set + * + * @description: + * Set a property for a given module. + * + * @input: + * library :: + * A handle to the library the module is part of. + * + * module_name :: + * The module name. + * + * property_name :: + * The property name. Properties are described in section + * @properties. + * + * Note that only a few modules have properties. + * + * value :: + * A generic pointer to a variable or structure that gives the new + * value of the property. The exact definition of `value' is + * dependent on the property; see section @properties. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * If `module_name' isn't a valid module name, or `property_name' + * doesn't specify a valid property, or if `value' doesn't represent a + * valid value for the given property, an error is returned. + * + * The following example sets property `bar' (a simple integer) in + * module `foo' to value~1. + * + * { + * FT_UInt bar; + * + * + * bar = 1; + * FT_Property_Set( library, "foo", "bar", &bar ); + * } + * + * Note that the FreeType Cache sub-system doesn't recognize module + * property changes. To avoid glyph lookup confusion within the cache + * you should call @FTC_Manager_Reset to completely flush the cache if + * a module property gets changed after @FTC_Manager_New has been + * called. + * + * It is not possible to set properties of the FreeType Cache + * sub-system itself with FT_Property_Set; use @FTC_Property_Set + * instead. + * + * @since: + * 2.4.11 + * + */ + FT_EXPORT( FT_Error ) + FT_Property_Set( FT_Library library, + const FT_String* module_name, + const FT_String* property_name, + const void* value ); + + + /********************************************************************** + * + * @function: + * FT_Property_Get + * + * @description: + * Get a module's property value. + * + * @input: + * library :: + * A handle to the library the module is part of. + * + * module_name :: + * The module name. + * + * property_name :: + * The property name. Properties are described in section + * @properties. + * + * @inout: + * value :: + * A generic pointer to a variable or structure that gives the + * value of the property. The exact definition of `value' is + * dependent on the property; see section @properties. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * If `module_name' isn't a valid module name, or `property_name' + * doesn't specify a valid property, or if `value' doesn't represent a + * valid value for the given property, an error is returned. + * + * The following example gets property `baz' (a range) in module `foo'. + * + * { + * typedef range_ + * { + * FT_Int32 min; + * FT_Int32 max; + * + * } range; + * + * range baz; + * + * + * FT_Property_Get( library, "foo", "baz", &baz ); + * } + * + * It is not possible to retrieve properties of the FreeType Cache + * sub-system with FT_Property_Get; use @FTC_Property_Get instead. + * + * @since: + * 2.4.11 + * + */ + FT_EXPORT( FT_Error ) + FT_Property_Get( FT_Library library, + const FT_String* module_name, + const FT_String* property_name, + void* value ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Default_Properties */ + /* */ + /* <Description> */ + /* If compilation option FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES is */ + /* set, this function reads the `FREETYPE_PROPERTIES' environment */ + /* variable to control driver properties. See section @properties */ + /* for more. */ + /* */ + /* If the compilation option is not set, this function does nothing. */ + /* */ + /* `FREETYPE_PROPERTIES' has the following syntax form (broken here */ + /* into multiple lines for better readability). */ + /* */ + /* { */ + /* <optional whitespace> */ + /* <module-name1> ':' */ + /* <property-name1> '=' <property-value1> */ + /* <whitespace> */ + /* <module-name2> ':' */ + /* <property-name2> '=' <property-value2> */ + /* ... */ + /* } */ + /* */ + /* Example: */ + /* */ + /* { */ + /* FREETYPE_PROPERTIES=truetype:interpreter-version=35 \ */ + /* cff:no-stem-darkening=1 \ */ + /* autofitter:warping=1 */ + /* } */ + /* */ + /* <InOut> */ + /* library :: A handle to a new library object. */ + /* */ + /* <Since> */ + /* 2.8 */ + /* */ + FT_EXPORT( void ) + FT_Set_Default_Properties( FT_Library library ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Reference_Library */ + /* */ + /* <Description> */ + /* A counter gets initialized to~1 at the time an @FT_Library */ + /* structure is created. This function increments the counter. */ + /* @FT_Done_Library then only destroys a library if the counter is~1, */ + /* otherwise it simply decrements the counter. */ + /* */ + /* This function helps in managing life-cycles of structures that */ + /* reference @FT_Library objects. */ + /* */ + /* <Input> */ + /* library :: A handle to a target library object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Since> */ + /* 2.4.2 */ + /* */ + FT_EXPORT( FT_Error ) + FT_Reference_Library( FT_Library library ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Library */ + /* */ + /* <Description> */ + /* This function is used to create a new FreeType library instance */ + /* from a given memory object. It is thus possible to use libraries */ + /* with distinct memory allocators within the same program. Note, */ + /* however, that the used @FT_Memory structure is expected to remain */ + /* valid for the life of the @FT_Library object. */ + /* */ + /* Normally, you would call this function (followed by a call to */ + /* @FT_Add_Default_Modules or a series of calls to @FT_Add_Module, */ + /* and a call to @FT_Set_Default_Properties) instead of */ + /* @FT_Init_FreeType to initialize the FreeType library. */ + /* */ + /* Don't use @FT_Done_FreeType but @FT_Done_Library to destroy a */ + /* library instance. */ + /* */ + /* <Input> */ + /* memory :: A handle to the original memory object. */ + /* */ + /* <Output> */ + /* alibrary :: A pointer to handle of a new library object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* See the discussion of reference counters in the description of */ + /* @FT_Reference_Library. */ + /* */ + FT_EXPORT( FT_Error ) + FT_New_Library( FT_Memory memory, + FT_Library *alibrary ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Done_Library */ + /* */ + /* <Description> */ + /* Discard a given library object. This closes all drivers and */ + /* discards all resource objects. */ + /* */ + /* <Input> */ + /* library :: A handle to the target library. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* See the discussion of reference counters in the description of */ + /* @FT_Reference_Library. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Done_Library( FT_Library library ); + + /* */ + + typedef void + (*FT_DebugHook_Func)( void* arg ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Debug_Hook */ + /* */ + /* <Description> */ + /* Set a debug hook function for debugging the interpreter of a font */ + /* format. */ + /* */ + /* <InOut> */ + /* library :: A handle to the library object. */ + /* */ + /* <Input> */ + /* hook_index :: The index of the debug hook. You should use the */ + /* values defined in `ftobjs.h', e.g., */ + /* `FT_DEBUG_HOOK_TRUETYPE'. */ + /* */ + /* debug_hook :: The function used to debug the interpreter. */ + /* */ + /* <Note> */ + /* Currently, four debug hook slots are available, but only two (for */ + /* the TrueType and the Type~1 interpreter) are defined. */ + /* */ + /* Since the internal headers of FreeType are no longer installed, */ + /* the symbol `FT_DEBUG_HOOK_TRUETYPE' isn't available publicly. */ + /* This is a bug and will be fixed in a forthcoming release. */ + /* */ + FT_EXPORT( void ) + FT_Set_Debug_Hook( FT_Library library, + FT_UInt hook_index, + FT_DebugHook_Func debug_hook ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Add_Default_Modules */ + /* */ + /* <Description> */ + /* Add the set of default drivers to a given library object. */ + /* This is only useful when you create a library object with */ + /* @FT_New_Library (usually to plug a custom memory manager). */ + /* */ + /* <InOut> */ + /* library :: A handle to a new library object. */ + /* */ + FT_EXPORT( void ) + FT_Add_Default_Modules( FT_Library library ); + + + + /************************************************************************** + * + * @section: + * truetype_engine + * + * @title: + * The TrueType Engine + * + * @abstract: + * TrueType bytecode support. + * + * @description: + * This section contains a function used to query the level of TrueType + * bytecode support compiled in this version of the library. + * + */ + + + /************************************************************************** + * + * @enum: + * FT_TrueTypeEngineType + * + * @description: + * A list of values describing which kind of TrueType bytecode + * engine is implemented in a given FT_Library instance. It is used + * by the @FT_Get_TrueType_Engine_Type function. + * + * @values: + * FT_TRUETYPE_ENGINE_TYPE_NONE :: + * The library doesn't implement any kind of bytecode interpreter. + * + * FT_TRUETYPE_ENGINE_TYPE_UNPATENTED :: + * Deprecated and removed. + * + * FT_TRUETYPE_ENGINE_TYPE_PATENTED :: + * The library implements a bytecode interpreter that covers + * the full instruction set of the TrueType virtual machine (this + * was governed by patents until May 2010, hence the name). + * + * @since: + * 2.2 + * + */ + typedef enum FT_TrueTypeEngineType_ + { + FT_TRUETYPE_ENGINE_TYPE_NONE = 0, + FT_TRUETYPE_ENGINE_TYPE_UNPATENTED, + FT_TRUETYPE_ENGINE_TYPE_PATENTED + + } FT_TrueTypeEngineType; + + + /************************************************************************** + * + * @func: + * FT_Get_TrueType_Engine_Type + * + * @description: + * Return an @FT_TrueTypeEngineType value to indicate which level of + * the TrueType virtual machine a given library instance supports. + * + * @input: + * library :: + * A library instance. + * + * @return: + * A value indicating which level is supported. + * + * @since: + * 2.2 + * + */ + FT_EXPORT( FT_TrueTypeEngineType ) + FT_Get_TrueType_Engine_Type( FT_Library library ); + + /* */ + + +FT_END_HEADER + +#endif /* FTMODAPI_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmoderr.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmoderr.h new file mode 100644 index 00000000000..e0fc1312bd4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftmoderr.h @@ -0,0 +1,194 @@ +/***************************************************************************/ +/* */ +/* ftmoderr.h */ +/* */ +/* FreeType module error offsets (specification). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the FreeType module error codes. */ + /* */ + /* If the macro FT_CONFIG_OPTION_USE_MODULE_ERRORS in `ftoption.h' is */ + /* set, the lower byte of an error value identifies the error code as */ + /* usual. In addition, the higher byte identifies the module. For */ + /* example, the error `FT_Err_Invalid_File_Format' has value 0x0003, the */ + /* error `TT_Err_Invalid_File_Format' has value 0x1303, the error */ + /* `T1_Err_Invalid_File_Format' has value 0x1403, etc. */ + /* */ + /* Note that `FT_Err_Ok', `TT_Err_Ok', etc. are always equal to zero, */ + /* including the high byte. */ + /* */ + /* If FT_CONFIG_OPTION_USE_MODULE_ERRORS isn't set, the higher byte of */ + /* an error value is set to zero. */ + /* */ + /* To hide the various `XXX_Err_' prefixes in the source code, FreeType */ + /* provides some macros in `fttypes.h'. */ + /* */ + /* FT_ERR( err ) */ + /* Add current error module prefix (as defined with the */ + /* `FT_ERR_PREFIX' macro) to `err'. For example, in the BDF module */ + /* the line */ + /* */ + /* error = FT_ERR( Invalid_Outline ); */ + /* */ + /* expands to */ + /* */ + /* error = BDF_Err_Invalid_Outline; */ + /* */ + /* For simplicity, you can always use `FT_Err_Ok' directly instead */ + /* of `FT_ERR( Ok )'. */ + /* */ + /* FT_ERR_EQ( errcode, err ) */ + /* FT_ERR_NEQ( errcode, err ) */ + /* Compare error code `errcode' with the error `err' for equality */ + /* and inequality, respectively. Example: */ + /* */ + /* if ( FT_ERR_EQ( error, Invalid_Outline ) ) */ + /* ... */ + /* */ + /* Using this macro you don't have to think about error prefixes. */ + /* Of course, if module errors are not active, the above example is */ + /* the same as */ + /* */ + /* if ( error == FT_Err_Invalid_Outline ) */ + /* ... */ + /* */ + /* FT_ERROR_BASE( errcode ) */ + /* FT_ERROR_MODULE( errcode ) */ + /* Get base error and module error code, respectively. */ + /* */ + /* */ + /* It can also be used to create a module error message table easily */ + /* with something like */ + /* */ + /* { */ + /* #undef FTMODERR_H_ */ + /* #define FT_MODERRDEF( e, v, s ) { FT_Mod_Err_ ## e, s }, */ + /* #define FT_MODERR_START_LIST { */ + /* #define FT_MODERR_END_LIST { 0, 0 } }; */ + /* */ + /* const struct */ + /* { */ + /* int mod_err_offset; */ + /* const char* mod_err_msg */ + /* } ft_mod_errors[] = */ + /* */ + /* #include FT_MODULE_ERRORS_H */ + /* } */ + /* */ + /*************************************************************************/ + + +#ifndef FTMODERR_H_ +#define FTMODERR_H_ + + + /*******************************************************************/ + /*******************************************************************/ + /***** *****/ + /***** SETUP MACROS *****/ + /***** *****/ + /*******************************************************************/ + /*******************************************************************/ + + +#undef FT_NEED_EXTERN_C + +#ifndef FT_MODERRDEF + +#ifdef FT_CONFIG_OPTION_USE_MODULE_ERRORS +#define FT_MODERRDEF( e, v, s ) FT_Mod_Err_ ## e = v, +#else +#define FT_MODERRDEF( e, v, s ) FT_Mod_Err_ ## e = 0, +#endif + +#define FT_MODERR_START_LIST enum { +#define FT_MODERR_END_LIST FT_Mod_Err_Max }; + +#ifdef __cplusplus +#define FT_NEED_EXTERN_C + extern "C" { +#endif + +#endif /* !FT_MODERRDEF */ + + + /*******************************************************************/ + /*******************************************************************/ + /***** *****/ + /***** LIST MODULE ERROR BASES *****/ + /***** *****/ + /*******************************************************************/ + /*******************************************************************/ + + +#ifdef FT_MODERR_START_LIST + FT_MODERR_START_LIST +#endif + + + FT_MODERRDEF( Base, 0x000, "base module" ) + FT_MODERRDEF( Autofit, 0x100, "autofitter module" ) + FT_MODERRDEF( BDF, 0x200, "BDF module" ) + FT_MODERRDEF( Bzip2, 0x300, "Bzip2 module" ) + FT_MODERRDEF( Cache, 0x400, "cache module" ) + FT_MODERRDEF( CFF, 0x500, "CFF module" ) + FT_MODERRDEF( CID, 0x600, "CID module" ) + FT_MODERRDEF( Gzip, 0x700, "Gzip module" ) + FT_MODERRDEF( LZW, 0x800, "LZW module" ) + FT_MODERRDEF( OTvalid, 0x900, "OpenType validation module" ) + FT_MODERRDEF( PCF, 0xA00, "PCF module" ) + FT_MODERRDEF( PFR, 0xB00, "PFR module" ) + FT_MODERRDEF( PSaux, 0xC00, "PS auxiliary module" ) + FT_MODERRDEF( PShinter, 0xD00, "PS hinter module" ) + FT_MODERRDEF( PSnames, 0xE00, "PS names module" ) + FT_MODERRDEF( Raster, 0xF00, "raster module" ) + FT_MODERRDEF( SFNT, 0x1000, "SFNT module" ) + FT_MODERRDEF( Smooth, 0x1100, "smooth raster module" ) + FT_MODERRDEF( TrueType, 0x1200, "TrueType module" ) + FT_MODERRDEF( Type1, 0x1300, "Type 1 module" ) + FT_MODERRDEF( Type42, 0x1400, "Type 42 module" ) + FT_MODERRDEF( Winfonts, 0x1500, "Windows FON/FNT module" ) + FT_MODERRDEF( GXvalid, 0x1600, "GX validation module" ) + + +#ifdef FT_MODERR_END_LIST + FT_MODERR_END_LIST +#endif + + + /*******************************************************************/ + /*******************************************************************/ + /***** *****/ + /***** CLEANUP *****/ + /***** *****/ + /*******************************************************************/ + /*******************************************************************/ + + +#ifdef FT_NEED_EXTERN_C + } +#endif + +#undef FT_MODERR_START_LIST +#undef FT_MODERR_END_LIST +#undef FT_MODERRDEF +#undef FT_NEED_EXTERN_C + + +#endif /* FTMODERR_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftoutln.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftoutln.h new file mode 100644 index 00000000000..89389a49b7c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftoutln.h @@ -0,0 +1,582 @@ +/***************************************************************************/ +/* */ +/* ftoutln.h */ +/* */ +/* Support for the FT_Outline type used to store glyph shapes of */ +/* most scalable font formats (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTOUTLN_H_ +#define FTOUTLN_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* outline_processing */ + /* */ + /* <Title> */ + /* Outline Processing */ + /* */ + /* <Abstract> */ + /* Functions to create, transform, and render vectorial glyph images. */ + /* */ + /* <Description> */ + /* This section contains routines used to create and destroy scalable */ + /* glyph images known as `outlines'. These can also be measured, */ + /* transformed, and converted into bitmaps and pixmaps. */ + /* */ + /* <Order> */ + /* FT_Outline */ + /* FT_Outline_New */ + /* FT_Outline_Done */ + /* FT_Outline_Copy */ + /* FT_Outline_Translate */ + /* FT_Outline_Transform */ + /* FT_Outline_Embolden */ + /* FT_Outline_EmboldenXY */ + /* FT_Outline_Reverse */ + /* FT_Outline_Check */ + /* */ + /* FT_Outline_Get_CBox */ + /* FT_Outline_Get_BBox */ + /* */ + /* FT_Outline_Get_Bitmap */ + /* FT_Outline_Render */ + /* FT_Outline_Decompose */ + /* FT_Outline_Funcs */ + /* FT_Outline_MoveToFunc */ + /* FT_Outline_LineToFunc */ + /* FT_Outline_ConicToFunc */ + /* FT_Outline_CubicToFunc */ + /* */ + /* FT_Orientation */ + /* FT_Outline_Get_Orientation */ + /* */ + /* FT_OUTLINE_XXX */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Decompose */ + /* */ + /* <Description> */ + /* Walk over an outline's structure to decompose it into individual */ + /* segments and Bezier arcs. This function also emits `move to' */ + /* operations to indicate the start of new contours in the outline. */ + /* */ + /* <Input> */ + /* outline :: A pointer to the source target. */ + /* */ + /* func_interface :: A table of `emitters', i.e., function pointers */ + /* called during decomposition to indicate path */ + /* operations. */ + /* */ + /* <InOut> */ + /* user :: A typeless pointer that is passed to each */ + /* emitter during the decomposition. It can be */ + /* used to store the state during the */ + /* decomposition. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* A contour that contains a single point only is represented by a */ + /* `move to' operation followed by `line to' to the same point. In */ + /* most cases, it is best to filter this out before using the */ + /* outline for stroking purposes (otherwise it would result in a */ + /* visible dot when round caps are used). */ + /* */ + /* Similarly, the function returns success for an empty outline also */ + /* (doing nothing, this is, not calling any emitter); if necessary, */ + /* you should filter this out, too. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_Decompose( FT_Outline* outline, + const FT_Outline_Funcs* func_interface, + void* user ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_New */ + /* */ + /* <Description> */ + /* Create a new outline of a given size. */ + /* */ + /* <Input> */ + /* library :: A handle to the library object from where the */ + /* outline is allocated. Note however that the new */ + /* outline will *not* necessarily be *freed*, when */ + /* destroying the library, by @FT_Done_FreeType. */ + /* */ + /* numPoints :: The maximum number of points within the outline. */ + /* Must be smaller than or equal to 0xFFFF (65535). */ + /* */ + /* numContours :: The maximum number of contours within the outline. */ + /* This value must be in the range 0 to `numPoints'. */ + /* */ + /* <Output> */ + /* anoutline :: A handle to the new outline. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The reason why this function takes a `library' parameter is simply */ + /* to use the library's memory allocator. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_New( FT_Library library, + FT_UInt numPoints, + FT_Int numContours, + FT_Outline *anoutline ); + + + FT_EXPORT( FT_Error ) + FT_Outline_New_Internal( FT_Memory memory, + FT_UInt numPoints, + FT_Int numContours, + FT_Outline *anoutline ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Done */ + /* */ + /* <Description> */ + /* Destroy an outline created with @FT_Outline_New. */ + /* */ + /* <Input> */ + /* library :: A handle of the library object used to allocate the */ + /* outline. */ + /* */ + /* outline :: A pointer to the outline object to be discarded. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* If the outline's `owner' field is not set, only the outline */ + /* descriptor will be released. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_Done( FT_Library library, + FT_Outline* outline ); + + + FT_EXPORT( FT_Error ) + FT_Outline_Done_Internal( FT_Memory memory, + FT_Outline* outline ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Check */ + /* */ + /* <Description> */ + /* Check the contents of an outline descriptor. */ + /* */ + /* <Input> */ + /* outline :: A handle to a source outline. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* An empty outline, or an outline with a single point only is also */ + /* valid. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_Check( FT_Outline* outline ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Get_CBox */ + /* */ + /* <Description> */ + /* Return an outline's `control box'. The control box encloses all */ + /* the outline's points, including Bezier control points. Though it */ + /* coincides with the exact bounding box for most glyphs, it can be */ + /* slightly larger in some situations (like when rotating an outline */ + /* that contains Bezier outside arcs). */ + /* */ + /* Computing the control box is very fast, while getting the bounding */ + /* box can take much more time as it needs to walk over all segments */ + /* and arcs in the outline. To get the latter, you can use the */ + /* `ftbbox' component, which is dedicated to this single task. */ + /* */ + /* <Input> */ + /* outline :: A pointer to the source outline descriptor. */ + /* */ + /* <Output> */ + /* acbox :: The outline's control box. */ + /* */ + /* <Note> */ + /* See @FT_Glyph_Get_CBox for a discussion of tricky fonts. */ + /* */ + FT_EXPORT( void ) + FT_Outline_Get_CBox( const FT_Outline* outline, + FT_BBox *acbox ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Translate */ + /* */ + /* <Description> */ + /* Apply a simple translation to the points of an outline. */ + /* */ + /* <InOut> */ + /* outline :: A pointer to the target outline descriptor. */ + /* */ + /* <Input> */ + /* xOffset :: The horizontal offset. */ + /* */ + /* yOffset :: The vertical offset. */ + /* */ + FT_EXPORT( void ) + FT_Outline_Translate( const FT_Outline* outline, + FT_Pos xOffset, + FT_Pos yOffset ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Copy */ + /* */ + /* <Description> */ + /* Copy an outline into another one. Both objects must have the */ + /* same sizes (number of points & number of contours) when this */ + /* function is called. */ + /* */ + /* <Input> */ + /* source :: A handle to the source outline. */ + /* */ + /* <Output> */ + /* target :: A handle to the target outline. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_Copy( const FT_Outline* source, + FT_Outline *target ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Transform */ + /* */ + /* <Description> */ + /* Apply a simple 2x2 matrix to all of an outline's points. Useful */ + /* for applying rotations, slanting, flipping, etc. */ + /* */ + /* <InOut> */ + /* outline :: A pointer to the target outline descriptor. */ + /* */ + /* <Input> */ + /* matrix :: A pointer to the transformation matrix. */ + /* */ + /* <Note> */ + /* You can use @FT_Outline_Translate if you need to translate the */ + /* outline's points. */ + /* */ + FT_EXPORT( void ) + FT_Outline_Transform( const FT_Outline* outline, + const FT_Matrix* matrix ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Embolden */ + /* */ + /* <Description> */ + /* Embolden an outline. The new outline will be at most 4~times */ + /* `strength' pixels wider and higher. You may think of the left and */ + /* bottom borders as unchanged. */ + /* */ + /* Negative `strength' values to reduce the outline thickness are */ + /* possible also. */ + /* */ + /* <InOut> */ + /* outline :: A handle to the target outline. */ + /* */ + /* <Input> */ + /* strength :: How strong the glyph is emboldened. Expressed in */ + /* 26.6 pixel format. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The used algorithm to increase or decrease the thickness of the */ + /* glyph doesn't change the number of points; this means that certain */ + /* situations like acute angles or intersections are sometimes */ + /* handled incorrectly. */ + /* */ + /* If you need `better' metrics values you should call */ + /* @FT_Outline_Get_CBox or @FT_Outline_Get_BBox. */ + /* */ + /* Example call: */ + /* */ + /* { */ + /* FT_Load_Glyph( face, index, FT_LOAD_DEFAULT ); */ + /* if ( face->glyph->format == FT_GLYPH_FORMAT_OUTLINE ) */ + /* FT_Outline_Embolden( &face->glyph->outline, strength ); */ + /* } */ + /* */ + /* To get meaningful results, font scaling values must be set with */ + /* functions like @FT_Set_Char_Size before calling FT_Render_Glyph. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_Embolden( FT_Outline* outline, + FT_Pos strength ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_EmboldenXY */ + /* */ + /* <Description> */ + /* Embolden an outline. The new outline will be `xstrength' pixels */ + /* wider and `ystrength' pixels higher. Otherwise, it is similar to */ + /* @FT_Outline_Embolden, which uses the same strength in both */ + /* directions. */ + /* */ + /* <Since> */ + /* 2.4.10 */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_EmboldenXY( FT_Outline* outline, + FT_Pos xstrength, + FT_Pos ystrength ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Reverse */ + /* */ + /* <Description> */ + /* Reverse the drawing direction of an outline. This is used to */ + /* ensure consistent fill conventions for mirrored glyphs. */ + /* */ + /* <InOut> */ + /* outline :: A pointer to the target outline descriptor. */ + /* */ + /* <Note> */ + /* This function toggles the bit flag @FT_OUTLINE_REVERSE_FILL in */ + /* the outline's `flags' field. */ + /* */ + /* It shouldn't be used by a normal client application, unless it */ + /* knows what it is doing. */ + /* */ + FT_EXPORT( void ) + FT_Outline_Reverse( FT_Outline* outline ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Get_Bitmap */ + /* */ + /* <Description> */ + /* Render an outline within a bitmap. The outline's image is simply */ + /* OR-ed to the target bitmap. */ + /* */ + /* <Input> */ + /* library :: A handle to a FreeType library object. */ + /* */ + /* outline :: A pointer to the source outline descriptor. */ + /* */ + /* <InOut> */ + /* abitmap :: A pointer to the target bitmap descriptor. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* This function does NOT CREATE the bitmap, it only renders an */ + /* outline image within the one you pass to it! Consequently, the */ + /* various fields in `abitmap' should be set accordingly. */ + /* */ + /* It will use the raster corresponding to the default glyph format. */ + /* */ + /* The value of the `num_grays' field in `abitmap' is ignored. If */ + /* you select the gray-level rasterizer, and you want less than 256 */ + /* gray levels, you have to use @FT_Outline_Render directly. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_Get_Bitmap( FT_Library library, + FT_Outline* outline, + const FT_Bitmap *abitmap ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Render */ + /* */ + /* <Description> */ + /* Render an outline within a bitmap using the current scan-convert. */ + /* This function uses an @FT_Raster_Params structure as an argument, */ + /* allowing advanced features like direct composition, translucency, */ + /* etc. */ + /* */ + /* <Input> */ + /* library :: A handle to a FreeType library object. */ + /* */ + /* outline :: A pointer to the source outline descriptor. */ + /* */ + /* <InOut> */ + /* params :: A pointer to an @FT_Raster_Params structure used to */ + /* describe the rendering operation. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* You should know what you are doing and how @FT_Raster_Params works */ + /* to use this function. */ + /* */ + /* The field `params.source' will be set to `outline' before the scan */ + /* converter is called, which means that the value you give to it is */ + /* actually ignored. */ + /* */ + /* The gray-level rasterizer always uses 256 gray levels. If you */ + /* want less gray levels, you have to provide your own span callback. */ + /* See the @FT_RASTER_FLAG_DIRECT value of the `flags' field in the */ + /* @FT_Raster_Params structure for more details. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Outline_Render( FT_Library library, + FT_Outline* outline, + FT_Raster_Params* params ); + + + /************************************************************************** + * + * @enum: + * FT_Orientation + * + * @description: + * A list of values used to describe an outline's contour orientation. + * + * The TrueType and PostScript specifications use different conventions + * to determine whether outline contours should be filled or unfilled. + * + * @values: + * FT_ORIENTATION_TRUETYPE :: + * According to the TrueType specification, clockwise contours must + * be filled, and counter-clockwise ones must be unfilled. + * + * FT_ORIENTATION_POSTSCRIPT :: + * According to the PostScript specification, counter-clockwise contours + * must be filled, and clockwise ones must be unfilled. + * + * FT_ORIENTATION_FILL_RIGHT :: + * This is identical to @FT_ORIENTATION_TRUETYPE, but is used to + * remember that in TrueType, everything that is to the right of + * the drawing direction of a contour must be filled. + * + * FT_ORIENTATION_FILL_LEFT :: + * This is identical to @FT_ORIENTATION_POSTSCRIPT, but is used to + * remember that in PostScript, everything that is to the left of + * the drawing direction of a contour must be filled. + * + * FT_ORIENTATION_NONE :: + * The orientation cannot be determined. That is, different parts of + * the glyph have different orientation. + * + */ + typedef enum FT_Orientation_ + { + FT_ORIENTATION_TRUETYPE = 0, + FT_ORIENTATION_POSTSCRIPT = 1, + FT_ORIENTATION_FILL_RIGHT = FT_ORIENTATION_TRUETYPE, + FT_ORIENTATION_FILL_LEFT = FT_ORIENTATION_POSTSCRIPT, + FT_ORIENTATION_NONE + + } FT_Orientation; + + + /************************************************************************** + * + * @function: + * FT_Outline_Get_Orientation + * + * @description: + * This function analyzes a glyph outline and tries to compute its + * fill orientation (see @FT_Orientation). This is done by integrating + * the total area covered by the outline. The positive integral + * corresponds to the clockwise orientation and @FT_ORIENTATION_POSTSCRIPT + * is returned. The negative integral corresponds to the counter-clockwise + * orientation and @FT_ORIENTATION_TRUETYPE is returned. + * + * Note that this will return @FT_ORIENTATION_TRUETYPE for empty + * outlines. + * + * @input: + * outline :: + * A handle to the source outline. + * + * @return: + * The orientation. + * + */ + FT_EXPORT( FT_Orientation ) + FT_Outline_Get_Orientation( FT_Outline* outline ); + + /* */ + + +FT_END_HEADER + +#endif /* FTOUTLN_H_ */ + + +/* END */ + + +/* Local Variables: */ +/* coding: utf-8 */ +/* End: */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftparams.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftparams.h new file mode 100644 index 00000000000..5a9006c505d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftparams.h @@ -0,0 +1,205 @@ +/***************************************************************************/ +/* */ +/* ftparams.h */ +/* */ +/* FreeType API for possible FT_Parameter tags (specification only). */ +/* */ +/* Copyright 2017-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTPARAMS_H_ +#define FTPARAMS_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /************************************************************************** + * + * @section: + * parameter_tags + * + * @title: + * Parameter Tags + * + * @abstract: + * Macros for driver property and font loading parameter tags. + * + * @description: + * This section contains macros for the @FT_Parameter structure that are + * used with various functions to activate some special functionality or + * different behaviour of various components of FreeType. + * + */ + + + /*************************************************************************** + * + * @constant: + * FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY + * + * @description: + * A tag for @FT_Parameter to make @FT_Open_Face ignore typographic + * family names in the `name' table (introduced in OpenType version + * 1.4). Use this for backward compatibility with legacy systems that + * have a four-faces-per-family restriction. + * + * @since: + * 2.8 + * + */ +#define FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY \ + FT_MAKE_TAG( 'i', 'g', 'p', 'f' ) + + + /* this constant is deprecated */ +#define FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY \ + FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY + + + /*************************************************************************** + * + * @constant: + * FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY + * + * @description: + * A tag for @FT_Parameter to make @FT_Open_Face ignore typographic + * subfamily names in the `name' table (introduced in OpenType version + * 1.4). Use this for backward compatibility with legacy systems that + * have a four-faces-per-family restriction. + * + * @since: + * 2.8 + * + */ +#define FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY \ + FT_MAKE_TAG( 'i', 'g', 'p', 's' ) + + + /* this constant is deprecated */ +#define FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY \ + FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY + + + /*************************************************************************** + * + * @constant: + * FT_PARAM_TAG_INCREMENTAL + * + * @description: + * An @FT_Parameter tag to be used with @FT_Open_Face to indicate + * incremental glyph loading. + * + */ +#define FT_PARAM_TAG_INCREMENTAL \ + FT_MAKE_TAG( 'i', 'n', 'c', 'r' ) + + + /************************************************************************** + * + * @constant: + * FT_PARAM_TAG_LCD_FILTER_WEIGHTS + * + * @description: + * An @FT_Parameter tag to be used with @FT_Face_Properties. The + * corresponding argument specifies the five LCD filter weights for a + * given face (if using @FT_LOAD_TARGET_LCD, for example), overriding + * the global default values or the values set up with + * @FT_Library_SetLcdFilterWeights. + * + * @since: + * 2.8 + * + */ +#define FT_PARAM_TAG_LCD_FILTER_WEIGHTS \ + FT_MAKE_TAG( 'l', 'c', 'd', 'f' ) + + + /************************************************************************** + * + * @constant: + * FT_PARAM_TAG_RANDOM_SEED + * + * @description: + * An @FT_Parameter tag to be used with @FT_Face_Properties. The + * corresponding 32bit signed integer argument overrides the font + * driver's random seed value with a face-specific one; see + * @random-seed. + * + * @since: + * 2.8 + * + */ +#define FT_PARAM_TAG_RANDOM_SEED \ + FT_MAKE_TAG( 's', 'e', 'e', 'd' ) + + + /************************************************************************** + * + * @constant: + * FT_PARAM_TAG_STEM_DARKENING + * + * @description: + * An @FT_Parameter tag to be used with @FT_Face_Properties. The + * corresponding Boolean argument specifies whether to apply stem + * darkening, overriding the global default values or the values set up + * with @FT_Property_Set (see @no-stem-darkening). + * + * This is a passive setting that only takes effect if the font driver + * or autohinter honors it, which the CFF, Type~1, and CID drivers + * always do, but the autohinter only in `light' hinting mode (as of + * version 2.9). + * + * @since: + * 2.8 + * + */ +#define FT_PARAM_TAG_STEM_DARKENING \ + FT_MAKE_TAG( 'd', 'a', 'r', 'k' ) + + + /*************************************************************************** + * + * @constant: + * FT_PARAM_TAG_UNPATENTED_HINTING + * + * @description: + * Deprecated, no effect. + * + * Previously: A constant used as the tag of an @FT_Parameter structure to + * indicate that unpatented methods only should be used by the TrueType + * bytecode interpreter for a typeface opened by @FT_Open_Face. + * + */ +#define FT_PARAM_TAG_UNPATENTED_HINTING \ + FT_MAKE_TAG( 'u', 'n', 'p', 'a' ) + + + /* */ + + +FT_END_HEADER + + +#endif /* FTPARAMS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftrender.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftrender.h new file mode 100644 index 00000000000..fa8ad22b987 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftrender.h @@ -0,0 +1,233 @@ +/***************************************************************************/ +/* */ +/* ftrender.h */ +/* */ +/* FreeType renderer modules public interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTRENDER_H_ +#define FTRENDER_H_ + + +#include <ft2build.h> +#include FT_MODULE_H +#include FT_GLYPH_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* module_management */ + /* */ + /*************************************************************************/ + + + /* create a new glyph object */ + typedef FT_Error + (*FT_Glyph_InitFunc)( FT_Glyph glyph, + FT_GlyphSlot slot ); + + /* destroys a given glyph object */ + typedef void + (*FT_Glyph_DoneFunc)( FT_Glyph glyph ); + + typedef void + (*FT_Glyph_TransformFunc)( FT_Glyph glyph, + const FT_Matrix* matrix, + const FT_Vector* delta ); + + typedef void + (*FT_Glyph_GetBBoxFunc)( FT_Glyph glyph, + FT_BBox* abbox ); + + typedef FT_Error + (*FT_Glyph_CopyFunc)( FT_Glyph source, + FT_Glyph target ); + + typedef FT_Error + (*FT_Glyph_PrepareFunc)( FT_Glyph glyph, + FT_GlyphSlot slot ); + +/* deprecated */ +#define FT_Glyph_Init_Func FT_Glyph_InitFunc +#define FT_Glyph_Done_Func FT_Glyph_DoneFunc +#define FT_Glyph_Transform_Func FT_Glyph_TransformFunc +#define FT_Glyph_BBox_Func FT_Glyph_GetBBoxFunc +#define FT_Glyph_Copy_Func FT_Glyph_CopyFunc +#define FT_Glyph_Prepare_Func FT_Glyph_PrepareFunc + + + struct FT_Glyph_Class_ + { + FT_Long glyph_size; + FT_Glyph_Format glyph_format; + + FT_Glyph_InitFunc glyph_init; + FT_Glyph_DoneFunc glyph_done; + FT_Glyph_CopyFunc glyph_copy; + FT_Glyph_TransformFunc glyph_transform; + FT_Glyph_GetBBoxFunc glyph_bbox; + FT_Glyph_PrepareFunc glyph_prepare; + }; + + + typedef FT_Error + (*FT_Renderer_RenderFunc)( FT_Renderer renderer, + FT_GlyphSlot slot, + FT_Render_Mode mode, + const FT_Vector* origin ); + + typedef FT_Error + (*FT_Renderer_TransformFunc)( FT_Renderer renderer, + FT_GlyphSlot slot, + const FT_Matrix* matrix, + const FT_Vector* delta ); + + + typedef void + (*FT_Renderer_GetCBoxFunc)( FT_Renderer renderer, + FT_GlyphSlot slot, + FT_BBox* cbox ); + + + typedef FT_Error + (*FT_Renderer_SetModeFunc)( FT_Renderer renderer, + FT_ULong mode_tag, + FT_Pointer mode_ptr ); + +/* deprecated identifiers */ +#define FTRenderer_render FT_Renderer_RenderFunc +#define FTRenderer_transform FT_Renderer_TransformFunc +#define FTRenderer_getCBox FT_Renderer_GetCBoxFunc +#define FTRenderer_setMode FT_Renderer_SetModeFunc + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Renderer_Class */ + /* */ + /* <Description> */ + /* The renderer module class descriptor. */ + /* */ + /* <Fields> */ + /* root :: The root @FT_Module_Class fields. */ + /* */ + /* glyph_format :: The glyph image format this renderer handles. */ + /* */ + /* render_glyph :: A method used to render the image that is in a */ + /* given glyph slot into a bitmap. */ + /* */ + /* transform_glyph :: A method used to transform the image that is in */ + /* a given glyph slot. */ + /* */ + /* get_glyph_cbox :: A method used to access the glyph's cbox. */ + /* */ + /* set_mode :: A method used to pass additional parameters. */ + /* */ + /* raster_class :: For @FT_GLYPH_FORMAT_OUTLINE renderers only. */ + /* This is a pointer to its raster's class. */ + /* */ + typedef struct FT_Renderer_Class_ + { + FT_Module_Class root; + + FT_Glyph_Format glyph_format; + + FT_Renderer_RenderFunc render_glyph; + FT_Renderer_TransformFunc transform_glyph; + FT_Renderer_GetCBoxFunc get_glyph_cbox; + FT_Renderer_SetModeFunc set_mode; + + FT_Raster_Funcs* raster_class; + + } FT_Renderer_Class; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Renderer */ + /* */ + /* <Description> */ + /* Retrieve the current renderer for a given glyph format. */ + /* */ + /* <Input> */ + /* library :: A handle to the library object. */ + /* */ + /* format :: The glyph format. */ + /* */ + /* <Return> */ + /* A renderer handle. 0~if none found. */ + /* */ + /* <Note> */ + /* An error will be returned if a module already exists by that name, */ + /* or if the module requires a version of FreeType that is too great. */ + /* */ + /* To add a new renderer, simply use @FT_Add_Module. To retrieve a */ + /* renderer by its name, use @FT_Get_Module. */ + /* */ + FT_EXPORT( FT_Renderer ) + FT_Get_Renderer( FT_Library library, + FT_Glyph_Format format ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Set_Renderer */ + /* */ + /* <Description> */ + /* Set the current renderer to use, and set additional mode. */ + /* */ + /* <InOut> */ + /* library :: A handle to the library object. */ + /* */ + /* <Input> */ + /* renderer :: A handle to the renderer object. */ + /* */ + /* num_params :: The number of additional parameters. */ + /* */ + /* parameters :: Additional parameters. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* In case of success, the renderer will be used to convert glyph */ + /* images in the renderer's known format into bitmaps. */ + /* */ + /* This doesn't change the current renderer for other formats. */ + /* */ + /* Currently, no FreeType renderer module uses `parameters'; you */ + /* should thus always pass NULL as the value. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Set_Renderer( FT_Library library, + FT_Renderer renderer, + FT_UInt num_params, + FT_Parameter* parameters ); + + /* */ + + +FT_END_HEADER + +#endif /* FTRENDER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsizes.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsizes.h new file mode 100644 index 00000000000..72cb08bf2a7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsizes.h @@ -0,0 +1,159 @@ +/***************************************************************************/ +/* */ +/* ftsizes.h */ +/* */ +/* FreeType size objects management (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* Typical application would normally not need to use these functions. */ + /* However, they have been placed in a public API for the rare cases */ + /* where they are needed. */ + /* */ + /*************************************************************************/ + + +#ifndef FTSIZES_H_ +#define FTSIZES_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* sizes_management */ + /* */ + /* <Title> */ + /* Size Management */ + /* */ + /* <Abstract> */ + /* Managing multiple sizes per face. */ + /* */ + /* <Description> */ + /* When creating a new face object (e.g., with @FT_New_Face), an */ + /* @FT_Size object is automatically created and used to store all */ + /* pixel-size dependent information, available in the `face->size' */ + /* field. */ + /* */ + /* It is however possible to create more sizes for a given face, */ + /* mostly in order to manage several character pixel sizes of the */ + /* same font family and style. See @FT_New_Size and @FT_Done_Size. */ + /* */ + /* Note that @FT_Set_Pixel_Sizes and @FT_Set_Char_Size only */ + /* modify the contents of the current `active' size; you thus need */ + /* to use @FT_Activate_Size to change it. */ + /* */ + /* 99% of applications won't need the functions provided here, */ + /* especially if they use the caching sub-system, so be cautious */ + /* when using these. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Size */ + /* */ + /* <Description> */ + /* Create a new size object from a given face object. */ + /* */ + /* <Input> */ + /* face :: A handle to a parent face object. */ + /* */ + /* <Output> */ + /* asize :: A handle to a new size object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* You need to call @FT_Activate_Size in order to select the new size */ + /* for upcoming calls to @FT_Set_Pixel_Sizes, @FT_Set_Char_Size, */ + /* @FT_Load_Glyph, @FT_Load_Char, etc. */ + /* */ + FT_EXPORT( FT_Error ) + FT_New_Size( FT_Face face, + FT_Size* size ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Done_Size */ + /* */ + /* <Description> */ + /* Discard a given size object. Note that @FT_Done_Face */ + /* automatically discards all size objects allocated with */ + /* @FT_New_Size. */ + /* */ + /* <Input> */ + /* size :: A handle to a target size object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Done_Size( FT_Size size ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Activate_Size */ + /* */ + /* <Description> */ + /* Even though it is possible to create several size objects for a */ + /* given face (see @FT_New_Size for details), functions like */ + /* @FT_Load_Glyph or @FT_Load_Char only use the one that has been */ + /* activated last to determine the `current character pixel size'. */ + /* */ + /* This function can be used to `activate' a previously created size */ + /* object. */ + /* */ + /* <Input> */ + /* size :: A handle to a target size object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* If `face' is the size's parent face object, this function changes */ + /* the value of `face->size' to the input size handle. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Activate_Size( FT_Size size ); + + /* */ + + +FT_END_HEADER + +#endif /* FTSIZES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsnames.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsnames.h new file mode 100644 index 00000000000..8eb8d70ff7f --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsnames.h @@ -0,0 +1,253 @@ +/***************************************************************************/ +/* */ +/* ftsnames.h */ +/* */ +/* Simple interface to access SFNT `name' tables (which are used */ +/* to hold font names, copyright info, notices, etc.) (specification). */ +/* */ +/* This is _not_ used to retrieve glyph names! */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTSNAMES_H_ +#define FTSNAMES_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_PARAMETER_TAGS_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* sfnt_names */ + /* */ + /* <Title> */ + /* SFNT Names */ + /* */ + /* <Abstract> */ + /* Access the names embedded in TrueType and OpenType files. */ + /* */ + /* <Description> */ + /* The TrueType and OpenType specifications allow the inclusion of */ + /* a special names table (`name') in font files. This table contains */ + /* textual (and internationalized) information regarding the font, */ + /* like family name, copyright, version, etc. */ + /* */ + /* The definitions below are used to access them if available. */ + /* */ + /* Note that this has nothing to do with glyph names! */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_SfntName */ + /* */ + /* <Description> */ + /* A structure used to model an SFNT `name' table entry. */ + /* */ + /* <Fields> */ + /* platform_id :: The platform ID for `string'. */ + /* See @TT_PLATFORM_XXX for possible values. */ + /* */ + /* encoding_id :: The encoding ID for `string'. */ + /* See @TT_APPLE_ID_XXX, @TT_MAC_ID_XXX, */ + /* @TT_ISO_ID_XXX, @TT_MS_ID_XXX, and @TT_ADOBE_ID_XXX */ + /* for possible values. */ + /* */ + /* language_id :: The language ID for `string'. */ + /* See @TT_MAC_LANGID_XXX and @TT_MS_LANGID_XXX for */ + /* possible values. */ + /* */ + /* Registered OpenType values for `language_id' are */ + /* always smaller than 0x8000; values equal or larger */ + /* than 0x8000 usually indicate a language tag string */ + /* (introduced in OpenType version 1.6). Use function */ + /* @FT_Get_Sfnt_LangTag with `language_id' as its */ + /* argument to retrieve the associated language tag. */ + /* */ + /* name_id :: An identifier for `string'. */ + /* See @TT_NAME_ID_XXX for possible values. */ + /* */ + /* string :: The `name' string. Note that its format differs */ + /* depending on the (platform,encoding) pair, being */ + /* either a string of bytes (without a terminating */ + /* NULL byte) or containing UTF-16BE entities. */ + /* */ + /* string_len :: The length of `string' in bytes. */ + /* */ + /* <Note> */ + /* Please refer to the TrueType or OpenType specification for more */ + /* details. */ + /* */ + typedef struct FT_SfntName_ + { + FT_UShort platform_id; + FT_UShort encoding_id; + FT_UShort language_id; + FT_UShort name_id; + + FT_Byte* string; /* this string is *not* null-terminated! */ + FT_UInt string_len; /* in bytes */ + + } FT_SfntName; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Sfnt_Name_Count */ + /* */ + /* <Description> */ + /* Retrieve the number of name strings in the SFNT `name' table. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* <Return> */ + /* The number of strings in the `name' table. */ + /* */ + FT_EXPORT( FT_UInt ) + FT_Get_Sfnt_Name_Count( FT_Face face ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Sfnt_Name */ + /* */ + /* <Description> */ + /* Retrieve a string of the SFNT `name' table for a given index. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* idx :: The index of the `name' string. */ + /* */ + /* <Output> */ + /* aname :: The indexed @FT_SfntName structure. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The `string' array returned in the `aname' structure is not */ + /* null-terminated. Note that you don't have to deallocate `string' */ + /* by yourself; FreeType takes care of it if you call @FT_Done_Face. */ + /* */ + /* Use @FT_Get_Sfnt_Name_Count to get the total number of available */ + /* `name' table entries, then do a loop until you get the right */ + /* platform, encoding, and name ID. */ + /* */ + /* `name' table format~1 entries can use language tags also, see */ + /* @FT_Get_Sfnt_LangTag. */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Sfnt_Name( FT_Face face, + FT_UInt idx, + FT_SfntName *aname ); + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_SfntLangTag */ + /* */ + /* <Description> */ + /* A structure to model a language tag entry from an SFNT `name' */ + /* table. */ + /* */ + /* <Fields> */ + /* string :: The language tag string, encoded in UTF-16BE */ + /* (without trailing NULL bytes). */ + /* */ + /* string_len :: The length of `string' in *bytes*. */ + /* */ + /* <Note> */ + /* Please refer to the TrueType or OpenType specification for more */ + /* details. */ + /* */ + /* <Since> */ + /* 2.8 */ + /* */ + typedef struct FT_SfntLangTag_ + { + FT_Byte* string; /* this string is *not* null-terminated! */ + FT_UInt string_len; /* in bytes */ + + } FT_SfntLangTag; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Sfnt_LangTag */ + /* */ + /* <Description> */ + /* Retrieve the language tag associated with a language ID of an SFNT */ + /* `name' table entry. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* langID :: The language ID, as returned by @FT_Get_Sfnt_Name. */ + /* This is always a value larger than 0x8000. */ + /* */ + /* <Output> */ + /* alangTag :: The language tag associated with the `name' table */ + /* entry's language ID. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + /* <Note> */ + /* The `string' array returned in the `alangTag' structure is not */ + /* null-terminated. Note that you don't have to deallocate `string' */ + /* by yourself; FreeType takes care of it if you call @FT_Done_Face. */ + /* */ + /* Only `name' table format~1 supports language tags. For format~0 */ + /* tables, this function always returns FT_Err_Invalid_Table. For */ + /* invalid format~1 language ID values, FT_Err_Invalid_Argument is */ + /* returned. */ + /* */ + /* <Since> */ + /* 2.8 */ + /* */ + FT_EXPORT( FT_Error ) + FT_Get_Sfnt_LangTag( FT_Face face, + FT_UInt langID, + FT_SfntLangTag *alangTag ); + + + /* */ + + +FT_END_HEADER + +#endif /* FTSNAMES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftstroke.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftstroke.h new file mode 100644 index 00000000000..44b6fbe19ff --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftstroke.h @@ -0,0 +1,785 @@ +/***************************************************************************/ +/* */ +/* ftstroke.h */ +/* */ +/* FreeType path stroker (specification). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTSTROKE_H_ +#define FTSTROKE_H_ + +#include <ft2build.h> +#include FT_OUTLINE_H +#include FT_GLYPH_H + + +FT_BEGIN_HEADER + + + /************************************************************************ + * + * @section: + * glyph_stroker + * + * @title: + * Glyph Stroker + * + * @abstract: + * Generating bordered and stroked glyphs. + * + * @description: + * This component generates stroked outlines of a given vectorial + * glyph. It also allows you to retrieve the `outside' and/or the + * `inside' borders of the stroke. + * + * This can be useful to generate `bordered' glyph, i.e., glyphs + * displayed with a coloured (and anti-aliased) border around their + * shape. + * + * @order: + * FT_Stroker + * + * FT_Stroker_LineJoin + * FT_Stroker_LineCap + * FT_StrokerBorder + * + * FT_Outline_GetInsideBorder + * FT_Outline_GetOutsideBorder + * + * FT_Glyph_Stroke + * FT_Glyph_StrokeBorder + * + * FT_Stroker_New + * FT_Stroker_Set + * FT_Stroker_Rewind + * FT_Stroker_ParseOutline + * FT_Stroker_Done + * + * FT_Stroker_BeginSubPath + * FT_Stroker_EndSubPath + * + * FT_Stroker_LineTo + * FT_Stroker_ConicTo + * FT_Stroker_CubicTo + * + * FT_Stroker_GetBorderCounts + * FT_Stroker_ExportBorder + * FT_Stroker_GetCounts + * FT_Stroker_Export + * + */ + + + /************************************************************** + * + * @type: + * FT_Stroker + * + * @description: + * Opaque handle to a path stroker object. + */ + typedef struct FT_StrokerRec_* FT_Stroker; + + + /************************************************************** + * + * @enum: + * FT_Stroker_LineJoin + * + * @description: + * These values determine how two joining lines are rendered + * in a stroker. + * + * @values: + * FT_STROKER_LINEJOIN_ROUND :: + * Used to render rounded line joins. Circular arcs are used + * to join two lines smoothly. + * + * FT_STROKER_LINEJOIN_BEVEL :: + * Used to render beveled line joins. The outer corner of + * the joined lines is filled by enclosing the triangular + * region of the corner with a straight line between the + * outer corners of each stroke. + * + * FT_STROKER_LINEJOIN_MITER_FIXED :: + * Used to render mitered line joins, with fixed bevels if the + * miter limit is exceeded. The outer edges of the strokes + * for the two segments are extended until they meet at an + * angle. If the segments meet at too sharp an angle (such + * that the miter would extend from the intersection of the + * segments a distance greater than the product of the miter + * limit value and the border radius), then a bevel join (see + * above) is used instead. This prevents long spikes being + * created. FT_STROKER_LINEJOIN_MITER_FIXED generates a miter + * line join as used in PostScript and PDF. + * + * FT_STROKER_LINEJOIN_MITER_VARIABLE :: + * FT_STROKER_LINEJOIN_MITER :: + * Used to render mitered line joins, with variable bevels if + * the miter limit is exceeded. The intersection of the + * strokes is clipped at a line perpendicular to the bisector + * of the angle between the strokes, at the distance from the + * intersection of the segments equal to the product of the + * miter limit value and the border radius. This prevents + * long spikes being created. + * FT_STROKER_LINEJOIN_MITER_VARIABLE generates a mitered line + * join as used in XPS. FT_STROKER_LINEJOIN_MITER is an alias + * for FT_STROKER_LINEJOIN_MITER_VARIABLE, retained for + * backward compatibility. + */ + typedef enum FT_Stroker_LineJoin_ + { + FT_STROKER_LINEJOIN_ROUND = 0, + FT_STROKER_LINEJOIN_BEVEL = 1, + FT_STROKER_LINEJOIN_MITER_VARIABLE = 2, + FT_STROKER_LINEJOIN_MITER = FT_STROKER_LINEJOIN_MITER_VARIABLE, + FT_STROKER_LINEJOIN_MITER_FIXED = 3 + + } FT_Stroker_LineJoin; + + + /************************************************************** + * + * @enum: + * FT_Stroker_LineCap + * + * @description: + * These values determine how the end of opened sub-paths are + * rendered in a stroke. + * + * @values: + * FT_STROKER_LINECAP_BUTT :: + * The end of lines is rendered as a full stop on the last + * point itself. + * + * FT_STROKER_LINECAP_ROUND :: + * The end of lines is rendered as a half-circle around the + * last point. + * + * FT_STROKER_LINECAP_SQUARE :: + * The end of lines is rendered as a square around the + * last point. + */ + typedef enum FT_Stroker_LineCap_ + { + FT_STROKER_LINECAP_BUTT = 0, + FT_STROKER_LINECAP_ROUND, + FT_STROKER_LINECAP_SQUARE + + } FT_Stroker_LineCap; + + + /************************************************************** + * + * @enum: + * FT_StrokerBorder + * + * @description: + * These values are used to select a given stroke border + * in @FT_Stroker_GetBorderCounts and @FT_Stroker_ExportBorder. + * + * @values: + * FT_STROKER_BORDER_LEFT :: + * Select the left border, relative to the drawing direction. + * + * FT_STROKER_BORDER_RIGHT :: + * Select the right border, relative to the drawing direction. + * + * @note: + * Applications are generally interested in the `inside' and `outside' + * borders. However, there is no direct mapping between these and the + * `left' and `right' ones, since this really depends on the glyph's + * drawing orientation, which varies between font formats. + * + * You can however use @FT_Outline_GetInsideBorder and + * @FT_Outline_GetOutsideBorder to get these. + */ + typedef enum FT_StrokerBorder_ + { + FT_STROKER_BORDER_LEFT = 0, + FT_STROKER_BORDER_RIGHT + + } FT_StrokerBorder; + + + /************************************************************** + * + * @function: + * FT_Outline_GetInsideBorder + * + * @description: + * Retrieve the @FT_StrokerBorder value corresponding to the + * `inside' borders of a given outline. + * + * @input: + * outline :: + * The source outline handle. + * + * @return: + * The border index. @FT_STROKER_BORDER_RIGHT for empty or invalid + * outlines. + */ + FT_EXPORT( FT_StrokerBorder ) + FT_Outline_GetInsideBorder( FT_Outline* outline ); + + + /************************************************************** + * + * @function: + * FT_Outline_GetOutsideBorder + * + * @description: + * Retrieve the @FT_StrokerBorder value corresponding to the + * `outside' borders of a given outline. + * + * @input: + * outline :: + * The source outline handle. + * + * @return: + * The border index. @FT_STROKER_BORDER_LEFT for empty or invalid + * outlines. + */ + FT_EXPORT( FT_StrokerBorder ) + FT_Outline_GetOutsideBorder( FT_Outline* outline ); + + + /************************************************************** + * + * @function: + * FT_Stroker_New + * + * @description: + * Create a new stroker object. + * + * @input: + * library :: + * FreeType library handle. + * + * @output: + * astroker :: + * A new stroker object handle. NULL in case of error. + * + * @return: + * FreeType error code. 0~means success. + */ + FT_EXPORT( FT_Error ) + FT_Stroker_New( FT_Library library, + FT_Stroker *astroker ); + + + /************************************************************** + * + * @function: + * FT_Stroker_Set + * + * @description: + * Reset a stroker object's attributes. + * + * @input: + * stroker :: + * The target stroker handle. + * + * radius :: + * The border radius. + * + * line_cap :: + * The line cap style. + * + * line_join :: + * The line join style. + * + * miter_limit :: + * The miter limit for the FT_STROKER_LINEJOIN_MITER_FIXED and + * FT_STROKER_LINEJOIN_MITER_VARIABLE line join styles, + * expressed as 16.16 fixed-point value. + * + * @note: + * The radius is expressed in the same units as the outline + * coordinates. + * + * This function calls @FT_Stroker_Rewind automatically. + */ + FT_EXPORT( void ) + FT_Stroker_Set( FT_Stroker stroker, + FT_Fixed radius, + FT_Stroker_LineCap line_cap, + FT_Stroker_LineJoin line_join, + FT_Fixed miter_limit ); + + + /************************************************************** + * + * @function: + * FT_Stroker_Rewind + * + * @description: + * Reset a stroker object without changing its attributes. + * You should call this function before beginning a new + * series of calls to @FT_Stroker_BeginSubPath or + * @FT_Stroker_EndSubPath. + * + * @input: + * stroker :: + * The target stroker handle. + */ + FT_EXPORT( void ) + FT_Stroker_Rewind( FT_Stroker stroker ); + + + /************************************************************** + * + * @function: + * FT_Stroker_ParseOutline + * + * @description: + * A convenience function used to parse a whole outline with + * the stroker. The resulting outline(s) can be retrieved + * later by functions like @FT_Stroker_GetCounts and @FT_Stroker_Export. + * + * @input: + * stroker :: + * The target stroker handle. + * + * outline :: + * The source outline. + * + * opened :: + * A boolean. If~1, the outline is treated as an open path instead + * of a closed one. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * If `opened' is~0 (the default), the outline is treated as a closed + * path, and the stroker generates two distinct `border' outlines. + * + * If `opened' is~1, the outline is processed as an open path, and the + * stroker generates a single `stroke' outline. + * + * This function calls @FT_Stroker_Rewind automatically. + */ + FT_EXPORT( FT_Error ) + FT_Stroker_ParseOutline( FT_Stroker stroker, + FT_Outline* outline, + FT_Bool opened ); + + + /************************************************************** + * + * @function: + * FT_Stroker_BeginSubPath + * + * @description: + * Start a new sub-path in the stroker. + * + * @input: + * stroker :: + * The target stroker handle. + * + * to :: + * A pointer to the start vector. + * + * open :: + * A boolean. If~1, the sub-path is treated as an open one. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * This function is useful when you need to stroke a path that is + * not stored as an @FT_Outline object. + */ + FT_EXPORT( FT_Error ) + FT_Stroker_BeginSubPath( FT_Stroker stroker, + FT_Vector* to, + FT_Bool open ); + + + /************************************************************** + * + * @function: + * FT_Stroker_EndSubPath + * + * @description: + * Close the current sub-path in the stroker. + * + * @input: + * stroker :: + * The target stroker handle. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * You should call this function after @FT_Stroker_BeginSubPath. + * If the subpath was not `opened', this function `draws' a + * single line segment to the start position when needed. + */ + FT_EXPORT( FT_Error ) + FT_Stroker_EndSubPath( FT_Stroker stroker ); + + + /************************************************************** + * + * @function: + * FT_Stroker_LineTo + * + * @description: + * `Draw' a single line segment in the stroker's current sub-path, + * from the last position. + * + * @input: + * stroker :: + * The target stroker handle. + * + * to :: + * A pointer to the destination point. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * You should call this function between @FT_Stroker_BeginSubPath and + * @FT_Stroker_EndSubPath. + */ + FT_EXPORT( FT_Error ) + FT_Stroker_LineTo( FT_Stroker stroker, + FT_Vector* to ); + + + /************************************************************** + * + * @function: + * FT_Stroker_ConicTo + * + * @description: + * `Draw' a single quadratic Bezier in the stroker's current sub-path, + * from the last position. + * + * @input: + * stroker :: + * The target stroker handle. + * + * control :: + * A pointer to a Bezier control point. + * + * to :: + * A pointer to the destination point. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * You should call this function between @FT_Stroker_BeginSubPath and + * @FT_Stroker_EndSubPath. + */ + FT_EXPORT( FT_Error ) + FT_Stroker_ConicTo( FT_Stroker stroker, + FT_Vector* control, + FT_Vector* to ); + + + /************************************************************** + * + * @function: + * FT_Stroker_CubicTo + * + * @description: + * `Draw' a single cubic Bezier in the stroker's current sub-path, + * from the last position. + * + * @input: + * stroker :: + * The target stroker handle. + * + * control1 :: + * A pointer to the first Bezier control point. + * + * control2 :: + * A pointer to second Bezier control point. + * + * to :: + * A pointer to the destination point. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * You should call this function between @FT_Stroker_BeginSubPath and + * @FT_Stroker_EndSubPath. + */ + FT_EXPORT( FT_Error ) + FT_Stroker_CubicTo( FT_Stroker stroker, + FT_Vector* control1, + FT_Vector* control2, + FT_Vector* to ); + + + /************************************************************** + * + * @function: + * FT_Stroker_GetBorderCounts + * + * @description: + * Call this function once you have finished parsing your paths + * with the stroker. It returns the number of points and + * contours necessary to export one of the `border' or `stroke' + * outlines generated by the stroker. + * + * @input: + * stroker :: + * The target stroker handle. + * + * border :: + * The border index. + * + * @output: + * anum_points :: + * The number of points. + * + * anum_contours :: + * The number of contours. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * When an outline, or a sub-path, is `closed', the stroker generates + * two independent `border' outlines, named `left' and `right'. + * + * When the outline, or a sub-path, is `opened', the stroker merges + * the `border' outlines with caps. The `left' border receives all + * points, while the `right' border becomes empty. + * + * Use the function @FT_Stroker_GetCounts instead if you want to + * retrieve the counts associated to both borders. + */ + FT_EXPORT( FT_Error ) + FT_Stroker_GetBorderCounts( FT_Stroker stroker, + FT_StrokerBorder border, + FT_UInt *anum_points, + FT_UInt *anum_contours ); + + + /************************************************************** + * + * @function: + * FT_Stroker_ExportBorder + * + * @description: + * Call this function after @FT_Stroker_GetBorderCounts to + * export the corresponding border to your own @FT_Outline + * structure. + * + * Note that this function appends the border points and + * contours to your outline, but does not try to resize its + * arrays. + * + * @input: + * stroker :: + * The target stroker handle. + * + * border :: + * The border index. + * + * outline :: + * The target outline handle. + * + * @note: + * Always call this function after @FT_Stroker_GetBorderCounts to + * get sure that there is enough room in your @FT_Outline object to + * receive all new data. + * + * When an outline, or a sub-path, is `closed', the stroker generates + * two independent `border' outlines, named `left' and `right'. + * + * When the outline, or a sub-path, is `opened', the stroker merges + * the `border' outlines with caps. The `left' border receives all + * points, while the `right' border becomes empty. + * + * Use the function @FT_Stroker_Export instead if you want to + * retrieve all borders at once. + */ + FT_EXPORT( void ) + FT_Stroker_ExportBorder( FT_Stroker stroker, + FT_StrokerBorder border, + FT_Outline* outline ); + + + /************************************************************** + * + * @function: + * FT_Stroker_GetCounts + * + * @description: + * Call this function once you have finished parsing your paths + * with the stroker. It returns the number of points and + * contours necessary to export all points/borders from the stroked + * outline/path. + * + * @input: + * stroker :: + * The target stroker handle. + * + * @output: + * anum_points :: + * The number of points. + * + * anum_contours :: + * The number of contours. + * + * @return: + * FreeType error code. 0~means success. + */ + FT_EXPORT( FT_Error ) + FT_Stroker_GetCounts( FT_Stroker stroker, + FT_UInt *anum_points, + FT_UInt *anum_contours ); + + + /************************************************************** + * + * @function: + * FT_Stroker_Export + * + * @description: + * Call this function after @FT_Stroker_GetBorderCounts to + * export all borders to your own @FT_Outline structure. + * + * Note that this function appends the border points and + * contours to your outline, but does not try to resize its + * arrays. + * + * @input: + * stroker :: + * The target stroker handle. + * + * outline :: + * The target outline handle. + */ + FT_EXPORT( void ) + FT_Stroker_Export( FT_Stroker stroker, + FT_Outline* outline ); + + + /************************************************************** + * + * @function: + * FT_Stroker_Done + * + * @description: + * Destroy a stroker object. + * + * @input: + * stroker :: + * A stroker handle. Can be NULL. + */ + FT_EXPORT( void ) + FT_Stroker_Done( FT_Stroker stroker ); + + + /************************************************************** + * + * @function: + * FT_Glyph_Stroke + * + * @description: + * Stroke a given outline glyph object with a given stroker. + * + * @inout: + * pglyph :: + * Source glyph handle on input, new glyph handle on output. + * + * @input: + * stroker :: + * A stroker handle. + * + * destroy :: + * A Boolean. If~1, the source glyph object is destroyed + * on success. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * The source glyph is untouched in case of error. + * + * Adding stroke may yield a significantly wider and taller glyph + * depending on how large of a radius was used to stroke the glyph. You + * may need to manually adjust horizontal and vertical advance amounts + * to account for this added size. + */ + FT_EXPORT( FT_Error ) + FT_Glyph_Stroke( FT_Glyph *pglyph, + FT_Stroker stroker, + FT_Bool destroy ); + + + /************************************************************** + * + * @function: + * FT_Glyph_StrokeBorder + * + * @description: + * Stroke a given outline glyph object with a given stroker, but + * only return either its inside or outside border. + * + * @inout: + * pglyph :: + * Source glyph handle on input, new glyph handle on output. + * + * @input: + * stroker :: + * A stroker handle. + * + * inside :: + * A Boolean. If~1, return the inside border, otherwise + * the outside border. + * + * destroy :: + * A Boolean. If~1, the source glyph object is destroyed + * on success. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * The source glyph is untouched in case of error. + * + * Adding stroke may yield a significantly wider and taller glyph + * depending on how large of a radius was used to stroke the glyph. You + * may need to manually adjust horizontal and vertical advance amounts + * to account for this added size. + */ + FT_EXPORT( FT_Error ) + FT_Glyph_StrokeBorder( FT_Glyph *pglyph, + FT_Stroker stroker, + FT_Bool inside, + FT_Bool destroy ); + + /* */ + +FT_END_HEADER + +#endif /* FTSTROKE_H_ */ + + +/* END */ + + +/* Local Variables: */ +/* coding: utf-8 */ +/* End: */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsynth.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsynth.h new file mode 100644 index 00000000000..ff9fb43d964 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsynth.h @@ -0,0 +1,84 @@ +/***************************************************************************/ +/* */ +/* ftsynth.h */ +/* */ +/* FreeType synthesizing code for emboldening and slanting */ +/* (specification). */ +/* */ +/* Copyright 2000-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /********* *********/ + /********* WARNING, THIS IS ALPHA CODE! THIS API *********/ + /********* IS DUE TO CHANGE UNTIL STRICTLY NOTIFIED BY THE *********/ + /********* FREETYPE DEVELOPMENT TEAM *********/ + /********* *********/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /* Main reason for not lifting the functions in this module to a */ + /* `standard' API is that the used parameters for emboldening and */ + /* slanting are not configurable. Consider the functions as a */ + /* code resource that should be copied into the application and */ + /* adapted to the particular needs. */ + + +#ifndef FTSYNTH_H_ +#define FTSYNTH_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + /* Embolden a glyph by a `reasonable' value (which is highly a matter of */ + /* taste). This function is actually a convenience function, providing */ + /* a wrapper for @FT_Outline_Embolden and @FT_Bitmap_Embolden. */ + /* */ + /* For emboldened outlines the height, width, and advance metrics are */ + /* increased by the strength of the emboldening -- this even affects */ + /* mono-width fonts! */ + /* */ + /* You can also call @FT_Outline_Get_CBox to get precise values. */ + FT_EXPORT( void ) + FT_GlyphSlot_Embolden( FT_GlyphSlot slot ); + + /* Slant an outline glyph to the right by about 12 degrees. */ + FT_EXPORT( void ) + FT_GlyphSlot_Oblique( FT_GlyphSlot slot ); + + /* */ + + +FT_END_HEADER + +#endif /* FTSYNTH_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsystem.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsystem.h new file mode 100644 index 00000000000..f6b1629ef23 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ftsystem.h @@ -0,0 +1,355 @@ +/***************************************************************************/ +/* */ +/* ftsystem.h */ +/* */ +/* FreeType low-level system interface definition (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTSYSTEM_H_ +#define FTSYSTEM_H_ + + +#include <ft2build.h> + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* system_interface */ + /* */ + /* <Title> */ + /* System Interface */ + /* */ + /* <Abstract> */ + /* How FreeType manages memory and i/o. */ + /* */ + /* <Description> */ + /* This section contains various definitions related to memory */ + /* management and i/o access. You need to understand this */ + /* information if you want to use a custom memory manager or you own */ + /* i/o streams. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* M E M O R Y M A N A G E M E N T */ + /* */ + /*************************************************************************/ + + + /************************************************************************* + * + * @type: + * FT_Memory + * + * @description: + * A handle to a given memory manager object, defined with an + * @FT_MemoryRec structure. + * + */ + typedef struct FT_MemoryRec_* FT_Memory; + + + /************************************************************************* + * + * @functype: + * FT_Alloc_Func + * + * @description: + * A function used to allocate `size' bytes from `memory'. + * + * @input: + * memory :: + * A handle to the source memory manager. + * + * size :: + * The size in bytes to allocate. + * + * @return: + * Address of new memory block. 0~in case of failure. + * + */ + typedef void* + (*FT_Alloc_Func)( FT_Memory memory, + long size ); + + + /************************************************************************* + * + * @functype: + * FT_Free_Func + * + * @description: + * A function used to release a given block of memory. + * + * @input: + * memory :: + * A handle to the source memory manager. + * + * block :: + * The address of the target memory block. + * + */ + typedef void + (*FT_Free_Func)( FT_Memory memory, + void* block ); + + + /************************************************************************* + * + * @functype: + * FT_Realloc_Func + * + * @description: + * A function used to re-allocate a given block of memory. + * + * @input: + * memory :: + * A handle to the source memory manager. + * + * cur_size :: + * The block's current size in bytes. + * + * new_size :: + * The block's requested new size. + * + * block :: + * The block's current address. + * + * @return: + * New block address. 0~in case of memory shortage. + * + * @note: + * In case of error, the old block must still be available. + * + */ + typedef void* + (*FT_Realloc_Func)( FT_Memory memory, + long cur_size, + long new_size, + void* block ); + + + /************************************************************************* + * + * @struct: + * FT_MemoryRec + * + * @description: + * A structure used to describe a given memory manager to FreeType~2. + * + * @fields: + * user :: + * A generic typeless pointer for user data. + * + * alloc :: + * A pointer type to an allocation function. + * + * free :: + * A pointer type to an memory freeing function. + * + * realloc :: + * A pointer type to a reallocation function. + * + */ + struct FT_MemoryRec_ + { + void* user; + FT_Alloc_Func alloc; + FT_Free_Func free; + FT_Realloc_Func realloc; + }; + + + /*************************************************************************/ + /* */ + /* I / O M A N A G E M E N T */ + /* */ + /*************************************************************************/ + + + /************************************************************************* + * + * @type: + * FT_Stream + * + * @description: + * A handle to an input stream. + * + * @also: + * See @FT_StreamRec for the publicly accessible fields of a given + * stream object. + * + */ + typedef struct FT_StreamRec_* FT_Stream; + + + /************************************************************************* + * + * @struct: + * FT_StreamDesc + * + * @description: + * A union type used to store either a long or a pointer. This is used + * to store a file descriptor or a `FILE*' in an input stream. + * + */ + typedef union FT_StreamDesc_ + { + long value; + void* pointer; + + } FT_StreamDesc; + + + /************************************************************************* + * + * @functype: + * FT_Stream_IoFunc + * + * @description: + * A function used to seek and read data from a given input stream. + * + * @input: + * stream :: + * A handle to the source stream. + * + * offset :: + * The offset of read in stream (always from start). + * + * buffer :: + * The address of the read buffer. + * + * count :: + * The number of bytes to read from the stream. + * + * @return: + * The number of bytes effectively read by the stream. + * + * @note: + * This function might be called to perform a seek or skip operation + * with a `count' of~0. A non-zero return value then indicates an + * error. + * + */ + typedef unsigned long + (*FT_Stream_IoFunc)( FT_Stream stream, + unsigned long offset, + unsigned char* buffer, + unsigned long count ); + + + /************************************************************************* + * + * @functype: + * FT_Stream_CloseFunc + * + * @description: + * A function used to close a given input stream. + * + * @input: + * stream :: + * A handle to the target stream. + * + */ + typedef void + (*FT_Stream_CloseFunc)( FT_Stream stream ); + + + /************************************************************************* + * + * @struct: + * FT_StreamRec + * + * @description: + * A structure used to describe an input stream. + * + * @input: + * base :: + * For memory-based streams, this is the address of the first stream + * byte in memory. This field should always be set to NULL for + * disk-based streams. + * + * size :: + * The stream size in bytes. + * + * In case of compressed streams where the size is unknown before + * actually doing the decompression, the value is set to 0x7FFFFFFF. + * (Note that this size value can occur for normal streams also; it is + * thus just a hint.) + * + * pos :: + * The current position within the stream. + * + * descriptor :: + * This field is a union that can hold an integer or a pointer. It is + * used by stream implementations to store file descriptors or `FILE*' + * pointers. + * + * pathname :: + * This field is completely ignored by FreeType. However, it is often + * useful during debugging to use it to store the stream's filename + * (where available). + * + * read :: + * The stream's input function. + * + * close :: + * The stream's close function. + * + * memory :: + * The memory manager to use to preload frames. This is set + * internally by FreeType and shouldn't be touched by stream + * implementations. + * + * cursor :: + * This field is set and used internally by FreeType when parsing + * frames. + * + * limit :: + * This field is set and used internally by FreeType when parsing + * frames. + * + */ + typedef struct FT_StreamRec_ + { + unsigned char* base; + unsigned long size; + unsigned long pos; + + FT_StreamDesc descriptor; + FT_StreamDesc pathname; + FT_Stream_IoFunc read; + FT_Stream_CloseFunc close; + + FT_Memory memory; + unsigned char* cursor; + unsigned char* limit; + + } FT_StreamRec; + + /* */ + + +FT_END_HEADER + +#endif /* FTSYSTEM_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fttrigon.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fttrigon.h new file mode 100644 index 00000000000..2e3f3f1f737 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fttrigon.h @@ -0,0 +1,350 @@ +/***************************************************************************/ +/* */ +/* fttrigon.h */ +/* */ +/* FreeType trigonometric functions (specification). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTTRIGON_H_ +#define FTTRIGON_H_ + +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* computations */ + /* */ + /*************************************************************************/ + + + /************************************************************************* + * + * @type: + * FT_Angle + * + * @description: + * This type is used to model angle values in FreeType. Note that the + * angle is a 16.16 fixed-point value expressed in degrees. + * + */ + typedef FT_Fixed FT_Angle; + + + /************************************************************************* + * + * @macro: + * FT_ANGLE_PI + * + * @description: + * The angle pi expressed in @FT_Angle units. + * + */ +#define FT_ANGLE_PI ( 180L << 16 ) + + + /************************************************************************* + * + * @macro: + * FT_ANGLE_2PI + * + * @description: + * The angle 2*pi expressed in @FT_Angle units. + * + */ +#define FT_ANGLE_2PI ( FT_ANGLE_PI * 2 ) + + + /************************************************************************* + * + * @macro: + * FT_ANGLE_PI2 + * + * @description: + * The angle pi/2 expressed in @FT_Angle units. + * + */ +#define FT_ANGLE_PI2 ( FT_ANGLE_PI / 2 ) + + + /************************************************************************* + * + * @macro: + * FT_ANGLE_PI4 + * + * @description: + * The angle pi/4 expressed in @FT_Angle units. + * + */ +#define FT_ANGLE_PI4 ( FT_ANGLE_PI / 4 ) + + + /************************************************************************* + * + * @function: + * FT_Sin + * + * @description: + * Return the sinus of a given angle in fixed-point format. + * + * @input: + * angle :: + * The input angle. + * + * @return: + * The sinus value. + * + * @note: + * If you need both the sinus and cosinus for a given angle, use the + * function @FT_Vector_Unit. + * + */ + FT_EXPORT( FT_Fixed ) + FT_Sin( FT_Angle angle ); + + + /************************************************************************* + * + * @function: + * FT_Cos + * + * @description: + * Return the cosinus of a given angle in fixed-point format. + * + * @input: + * angle :: + * The input angle. + * + * @return: + * The cosinus value. + * + * @note: + * If you need both the sinus and cosinus for a given angle, use the + * function @FT_Vector_Unit. + * + */ + FT_EXPORT( FT_Fixed ) + FT_Cos( FT_Angle angle ); + + + /************************************************************************* + * + * @function: + * FT_Tan + * + * @description: + * Return the tangent of a given angle in fixed-point format. + * + * @input: + * angle :: + * The input angle. + * + * @return: + * The tangent value. + * + */ + FT_EXPORT( FT_Fixed ) + FT_Tan( FT_Angle angle ); + + + /************************************************************************* + * + * @function: + * FT_Atan2 + * + * @description: + * Return the arc-tangent corresponding to a given vector (x,y) in + * the 2d plane. + * + * @input: + * x :: + * The horizontal vector coordinate. + * + * y :: + * The vertical vector coordinate. + * + * @return: + * The arc-tangent value (i.e. angle). + * + */ + FT_EXPORT( FT_Angle ) + FT_Atan2( FT_Fixed x, + FT_Fixed y ); + + + /************************************************************************* + * + * @function: + * FT_Angle_Diff + * + * @description: + * Return the difference between two angles. The result is always + * constrained to the ]-PI..PI] interval. + * + * @input: + * angle1 :: + * First angle. + * + * angle2 :: + * Second angle. + * + * @return: + * Constrained value of `value2-value1'. + * + */ + FT_EXPORT( FT_Angle ) + FT_Angle_Diff( FT_Angle angle1, + FT_Angle angle2 ); + + + /************************************************************************* + * + * @function: + * FT_Vector_Unit + * + * @description: + * Return the unit vector corresponding to a given angle. After the + * call, the value of `vec.x' will be `cos(angle)', and the value of + * `vec.y' will be `sin(angle)'. + * + * This function is useful to retrieve both the sinus and cosinus of a + * given angle quickly. + * + * @output: + * vec :: + * The address of target vector. + * + * @input: + * angle :: + * The input angle. + * + */ + FT_EXPORT( void ) + FT_Vector_Unit( FT_Vector* vec, + FT_Angle angle ); + + + /************************************************************************* + * + * @function: + * FT_Vector_Rotate + * + * @description: + * Rotate a vector by a given angle. + * + * @inout: + * vec :: + * The address of target vector. + * + * @input: + * angle :: + * The input angle. + * + */ + FT_EXPORT( void ) + FT_Vector_Rotate( FT_Vector* vec, + FT_Angle angle ); + + + /************************************************************************* + * + * @function: + * FT_Vector_Length + * + * @description: + * Return the length of a given vector. + * + * @input: + * vec :: + * The address of target vector. + * + * @return: + * The vector length, expressed in the same units that the original + * vector coordinates. + * + */ + FT_EXPORT( FT_Fixed ) + FT_Vector_Length( FT_Vector* vec ); + + + /************************************************************************* + * + * @function: + * FT_Vector_Polarize + * + * @description: + * Compute both the length and angle of a given vector. + * + * @input: + * vec :: + * The address of source vector. + * + * @output: + * length :: + * The vector length. + * + * angle :: + * The vector angle. + * + */ + FT_EXPORT( void ) + FT_Vector_Polarize( FT_Vector* vec, + FT_Fixed *length, + FT_Angle *angle ); + + + /************************************************************************* + * + * @function: + * FT_Vector_From_Polar + * + * @description: + * Compute vector coordinates from a length and angle. + * + * @output: + * vec :: + * The address of source vector. + * + * @input: + * length :: + * The vector length. + * + * angle :: + * The vector angle. + * + */ + FT_EXPORT( void ) + FT_Vector_From_Polar( FT_Vector* vec, + FT_Fixed length, + FT_Angle angle ); + + /* */ + + +FT_END_HEADER + +#endif /* FTTRIGON_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fttypes.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fttypes.h new file mode 100644 index 00000000000..f638c2e54fd --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/fttypes.h @@ -0,0 +1,602 @@ +/***************************************************************************/ +/* */ +/* fttypes.h */ +/* */ +/* FreeType simple types definitions (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTTYPES_H_ +#define FTTYPES_H_ + + +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H +#include FT_SYSTEM_H +#include FT_IMAGE_H + +#include <stddef.h> + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* basic_types */ + /* */ + /* <Title> */ + /* Basic Data Types */ + /* */ + /* <Abstract> */ + /* The basic data types defined by the library. */ + /* */ + /* <Description> */ + /* This section contains the basic data types defined by FreeType~2, */ + /* ranging from simple scalar types to bitmap descriptors. More */ + /* font-specific structures are defined in a different section. */ + /* */ + /* <Order> */ + /* FT_Byte */ + /* FT_Bytes */ + /* FT_Char */ + /* FT_Int */ + /* FT_UInt */ + /* FT_Int16 */ + /* FT_UInt16 */ + /* FT_Int32 */ + /* FT_UInt32 */ + /* FT_Int64 */ + /* FT_UInt64 */ + /* FT_Short */ + /* FT_UShort */ + /* FT_Long */ + /* FT_ULong */ + /* FT_Bool */ + /* FT_Offset */ + /* FT_PtrDist */ + /* FT_String */ + /* FT_Tag */ + /* FT_Error */ + /* FT_Fixed */ + /* FT_Pointer */ + /* FT_Pos */ + /* FT_Vector */ + /* FT_BBox */ + /* FT_Matrix */ + /* FT_FWord */ + /* FT_UFWord */ + /* FT_F2Dot14 */ + /* FT_UnitVector */ + /* FT_F26Dot6 */ + /* FT_Data */ + /* */ + /* FT_MAKE_TAG */ + /* */ + /* FT_Generic */ + /* FT_Generic_Finalizer */ + /* */ + /* FT_Bitmap */ + /* FT_Pixel_Mode */ + /* FT_Palette_Mode */ + /* FT_Glyph_Format */ + /* FT_IMAGE_TAG */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Bool */ + /* */ + /* <Description> */ + /* A typedef of unsigned char, used for simple booleans. As usual, */ + /* values 1 and~0 represent true and false, respectively. */ + /* */ + typedef unsigned char FT_Bool; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_FWord */ + /* */ + /* <Description> */ + /* A signed 16-bit integer used to store a distance in original font */ + /* units. */ + /* */ + typedef signed short FT_FWord; /* distance in FUnits */ + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_UFWord */ + /* */ + /* <Description> */ + /* An unsigned 16-bit integer used to store a distance in original */ + /* font units. */ + /* */ + typedef unsigned short FT_UFWord; /* unsigned distance */ + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Char */ + /* */ + /* <Description> */ + /* A simple typedef for the _signed_ char type. */ + /* */ + typedef signed char FT_Char; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Byte */ + /* */ + /* <Description> */ + /* A simple typedef for the _unsigned_ char type. */ + /* */ + typedef unsigned char FT_Byte; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Bytes */ + /* */ + /* <Description> */ + /* A typedef for constant memory areas. */ + /* */ + typedef const FT_Byte* FT_Bytes; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Tag */ + /* */ + /* <Description> */ + /* A typedef for 32-bit tags (as used in the SFNT format). */ + /* */ + typedef FT_UInt32 FT_Tag; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_String */ + /* */ + /* <Description> */ + /* A simple typedef for the char type, usually used for strings. */ + /* */ + typedef char FT_String; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Short */ + /* */ + /* <Description> */ + /* A typedef for signed short. */ + /* */ + typedef signed short FT_Short; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_UShort */ + /* */ + /* <Description> */ + /* A typedef for unsigned short. */ + /* */ + typedef unsigned short FT_UShort; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Int */ + /* */ + /* <Description> */ + /* A typedef for the int type. */ + /* */ + typedef signed int FT_Int; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_UInt */ + /* */ + /* <Description> */ + /* A typedef for the unsigned int type. */ + /* */ + typedef unsigned int FT_UInt; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Long */ + /* */ + /* <Description> */ + /* A typedef for signed long. */ + /* */ + typedef signed long FT_Long; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_ULong */ + /* */ + /* <Description> */ + /* A typedef for unsigned long. */ + /* */ + typedef unsigned long FT_ULong; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_F2Dot14 */ + /* */ + /* <Description> */ + /* A signed 2.14 fixed-point type used for unit vectors. */ + /* */ + typedef signed short FT_F2Dot14; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_F26Dot6 */ + /* */ + /* <Description> */ + /* A signed 26.6 fixed-point type used for vectorial pixel */ + /* coordinates. */ + /* */ + typedef signed long FT_F26Dot6; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Fixed */ + /* */ + /* <Description> */ + /* This type is used to store 16.16 fixed-point values, like scaling */ + /* values or matrix coefficients. */ + /* */ + typedef signed long FT_Fixed; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Error */ + /* */ + /* <Description> */ + /* The FreeType error code type. A value of~0 is always interpreted */ + /* as a successful operation. */ + /* */ + typedef int FT_Error; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Pointer */ + /* */ + /* <Description> */ + /* A simple typedef for a typeless pointer. */ + /* */ + typedef void* FT_Pointer; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_Offset */ + /* */ + /* <Description> */ + /* This is equivalent to the ANSI~C `size_t' type, i.e., the largest */ + /* _unsigned_ integer type used to express a file size or position, */ + /* or a memory block size. */ + /* */ + typedef size_t FT_Offset; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_PtrDist */ + /* */ + /* <Description> */ + /* This is equivalent to the ANSI~C `ptrdiff_t' type, i.e., the */ + /* largest _signed_ integer type used to express the distance */ + /* between two pointers. */ + /* */ + typedef ft_ptrdiff_t FT_PtrDist; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_UnitVector */ + /* */ + /* <Description> */ + /* A simple structure used to store a 2D vector unit vector. Uses */ + /* FT_F2Dot14 types. */ + /* */ + /* <Fields> */ + /* x :: Horizontal coordinate. */ + /* */ + /* y :: Vertical coordinate. */ + /* */ + typedef struct FT_UnitVector_ + { + FT_F2Dot14 x; + FT_F2Dot14 y; + + } FT_UnitVector; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Matrix */ + /* */ + /* <Description> */ + /* A simple structure used to store a 2x2 matrix. Coefficients are */ + /* in 16.16 fixed-point format. The computation performed is: */ + /* */ + /* { */ + /* x' = x*xx + y*xy */ + /* y' = x*yx + y*yy */ + /* } */ + /* */ + /* <Fields> */ + /* xx :: Matrix coefficient. */ + /* */ + /* xy :: Matrix coefficient. */ + /* */ + /* yx :: Matrix coefficient. */ + /* */ + /* yy :: Matrix coefficient. */ + /* */ + typedef struct FT_Matrix_ + { + FT_Fixed xx, xy; + FT_Fixed yx, yy; + + } FT_Matrix; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Data */ + /* */ + /* <Description> */ + /* Read-only binary data represented as a pointer and a length. */ + /* */ + /* <Fields> */ + /* pointer :: The data. */ + /* */ + /* length :: The length of the data in bytes. */ + /* */ + typedef struct FT_Data_ + { + const FT_Byte* pointer; + FT_Int length; + + } FT_Data; + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Generic_Finalizer */ + /* */ + /* <Description> */ + /* Describe a function used to destroy the `client' data of any */ + /* FreeType object. See the description of the @FT_Generic type for */ + /* details of usage. */ + /* */ + /* <Input> */ + /* The address of the FreeType object that is under finalization. */ + /* Its client data is accessed through its `generic' field. */ + /* */ + typedef void (*FT_Generic_Finalizer)( void* object ); + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Generic */ + /* */ + /* <Description> */ + /* Client applications often need to associate their own data to a */ + /* variety of FreeType core objects. For example, a text layout API */ + /* might want to associate a glyph cache to a given size object. */ + /* */ + /* Some FreeType object contains a `generic' field, of type */ + /* FT_Generic, which usage is left to client applications and font */ + /* servers. */ + /* */ + /* It can be used to store a pointer to client-specific data, as well */ + /* as the address of a `finalizer' function, which will be called by */ + /* FreeType when the object is destroyed (for example, the previous */ + /* client example would put the address of the glyph cache destructor */ + /* in the `finalizer' field). */ + /* */ + /* <Fields> */ + /* data :: A typeless pointer to any client-specified data. This */ + /* field is completely ignored by the FreeType library. */ + /* */ + /* finalizer :: A pointer to a `generic finalizer' function, which */ + /* will be called when the object is destroyed. If this */ + /* field is set to NULL, no code will be called. */ + /* */ + typedef struct FT_Generic_ + { + void* data; + FT_Generic_Finalizer finalizer; + + } FT_Generic; + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_MAKE_TAG */ + /* */ + /* <Description> */ + /* This macro converts four-letter tags that are used to label */ + /* TrueType tables into an unsigned long, to be used within FreeType. */ + /* */ + /* <Note> */ + /* The produced values *must* be 32-bit integers. Don't redefine */ + /* this macro. */ + /* */ +#define FT_MAKE_TAG( _x1, _x2, _x3, _x4 ) \ + (FT_Tag) \ + ( ( (FT_ULong)_x1 << 24 ) | \ + ( (FT_ULong)_x2 << 16 ) | \ + ( (FT_ULong)_x3 << 8 ) | \ + (FT_ULong)_x4 ) + + + /*************************************************************************/ + /*************************************************************************/ + /* */ + /* L I S T M A N A G E M E N T */ + /* */ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* list_processing */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_ListNode */ + /* */ + /* <Description> */ + /* Many elements and objects in FreeType are listed through an */ + /* @FT_List record (see @FT_ListRec). As its name suggests, an */ + /* FT_ListNode is a handle to a single list element. */ + /* */ + typedef struct FT_ListNodeRec_* FT_ListNode; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FT_List */ + /* */ + /* <Description> */ + /* A handle to a list record (see @FT_ListRec). */ + /* */ + typedef struct FT_ListRec_* FT_List; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_ListNodeRec */ + /* */ + /* <Description> */ + /* A structure used to hold a single list element. */ + /* */ + /* <Fields> */ + /* prev :: The previous element in the list. NULL if first. */ + /* */ + /* next :: The next element in the list. NULL if last. */ + /* */ + /* data :: A typeless pointer to the listed object. */ + /* */ + typedef struct FT_ListNodeRec_ + { + FT_ListNode prev; + FT_ListNode next; + void* data; + + } FT_ListNodeRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_ListRec */ + /* */ + /* <Description> */ + /* A structure used to hold a simple doubly-linked list. These are */ + /* used in many parts of FreeType. */ + /* */ + /* <Fields> */ + /* head :: The head (first element) of doubly-linked list. */ + /* */ + /* tail :: The tail (last element) of doubly-linked list. */ + /* */ + typedef struct FT_ListRec_ + { + FT_ListNode head; + FT_ListNode tail; + + } FT_ListRec; + + /* */ + + +#define FT_IS_EMPTY( list ) ( (list).head == 0 ) +#define FT_BOOL( x ) ( (FT_Bool)( x ) ) + + /* concatenate C tokens */ +#define FT_ERR_XCAT( x, y ) x ## y +#define FT_ERR_CAT( x, y ) FT_ERR_XCAT( x, y ) + + /* see `ftmoderr.h' for descriptions of the following macros */ + +#define FT_ERR( e ) FT_ERR_CAT( FT_ERR_PREFIX, e ) + +#define FT_ERROR_BASE( x ) ( (x) & 0xFF ) +#define FT_ERROR_MODULE( x ) ( (x) & 0xFF00U ) + +#define FT_ERR_EQ( x, e ) \ + ( FT_ERROR_BASE( x ) == FT_ERROR_BASE( FT_ERR( e ) ) ) +#define FT_ERR_NEQ( x, e ) \ + ( FT_ERROR_BASE( x ) != FT_ERROR_BASE( FT_ERR( e ) ) ) + + +FT_END_HEADER + +#endif /* FTTYPES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/autohint.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/autohint.h new file mode 100644 index 00000000000..f4d308f68c2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/autohint.h @@ -0,0 +1,244 @@ +/***************************************************************************/ +/* */ +/* autohint.h */ +/* */ +/* High-level `autohint' module-specific interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* The auto-hinter is used to load and automatically hint glyphs if a */ + /* format-specific hinter isn't available. */ + /* */ + /*************************************************************************/ + + +#ifndef AUTOHINT_H_ +#define AUTOHINT_H_ + + + /*************************************************************************/ + /* */ + /* A small technical note regarding automatic hinting in order to */ + /* clarify this module interface. */ + /* */ + /* An automatic hinter might compute two kinds of data for a given face: */ + /* */ + /* - global hints: Usually some metrics that describe global properties */ + /* of the face. It is computed by scanning more or less */ + /* aggressively the glyphs in the face, and thus can be */ + /* very slow to compute (even if the size of global */ + /* hints is really small). */ + /* */ + /* - glyph hints: These describe some important features of the glyph */ + /* outline, as well as how to align them. They are */ + /* generally much faster to compute than global hints. */ + /* */ + /* The current FreeType auto-hinter does a pretty good job while */ + /* performing fast computations for both global and glyph hints. */ + /* However, we might be interested in introducing more complex and */ + /* powerful algorithms in the future, like the one described in the John */ + /* D. Hobby paper, which unfortunately requires a lot more horsepower. */ + /* */ + /* Because a sufficiently sophisticated font management system would */ + /* typically implement an LRU cache of opened face objects to reduce */ + /* memory usage, it is a good idea to be able to avoid recomputing */ + /* global hints every time the same face is re-opened. */ + /* */ + /* We thus provide the ability to cache global hints outside of the face */ + /* object, in order to speed up font re-opening time. Of course, this */ + /* feature is purely optional, so most client programs won't even notice */ + /* it. */ + /* */ + /* I initially thought that it would be a good idea to cache the glyph */ + /* hints too. However, my general idea now is that if you really need */ + /* to cache these too, you are simply in need of a new font format, */ + /* where all this information could be stored within the font file and */ + /* decoded on the fly. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H + + +FT_BEGIN_HEADER + + + typedef struct FT_AutoHinterRec_ *FT_AutoHinter; + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_AutoHinter_GlobalGetFunc */ + /* */ + /* <Description> */ + /* Retrieve the global hints computed for a given face object. The */ + /* resulting data is dissociated from the face and will survive a */ + /* call to FT_Done_Face(). It must be discarded through the API */ + /* FT_AutoHinter_GlobalDoneFunc(). */ + /* */ + /* <Input> */ + /* hinter :: A handle to the source auto-hinter. */ + /* */ + /* face :: A handle to the source face object. */ + /* */ + /* <Output> */ + /* global_hints :: A typeless pointer to the global hints. */ + /* */ + /* global_len :: The size in bytes of the global hints. */ + /* */ + typedef void + (*FT_AutoHinter_GlobalGetFunc)( FT_AutoHinter hinter, + FT_Face face, + void** global_hints, + long* global_len ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_AutoHinter_GlobalDoneFunc */ + /* */ + /* <Description> */ + /* Discard the global hints retrieved through */ + /* FT_AutoHinter_GlobalGetFunc(). This is the only way these hints */ + /* are freed from memory. */ + /* */ + /* <Input> */ + /* hinter :: A handle to the auto-hinter module. */ + /* */ + /* global :: A pointer to retrieved global hints to discard. */ + /* */ + typedef void + (*FT_AutoHinter_GlobalDoneFunc)( FT_AutoHinter hinter, + void* global ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_AutoHinter_GlobalResetFunc */ + /* */ + /* <Description> */ + /* This function is used to recompute the global metrics in a given */ + /* font. This is useful when global font data changes (e.g. Multiple */ + /* Masters fonts where blend coordinates change). */ + /* */ + /* <Input> */ + /* hinter :: A handle to the source auto-hinter. */ + /* */ + /* face :: A handle to the face. */ + /* */ + typedef void + (*FT_AutoHinter_GlobalResetFunc)( FT_AutoHinter hinter, + FT_Face face ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_AutoHinter_GlyphLoadFunc */ + /* */ + /* <Description> */ + /* This function is used to load, scale, and automatically hint a */ + /* glyph from a given face. */ + /* */ + /* <Input> */ + /* face :: A handle to the face. */ + /* */ + /* glyph_index :: The glyph index. */ + /* */ + /* load_flags :: The load flags. */ + /* */ + /* <Note> */ + /* This function is capable of loading composite glyphs by hinting */ + /* each sub-glyph independently (which improves quality). */ + /* */ + /* It will call the font driver with @FT_Load_Glyph, with */ + /* @FT_LOAD_NO_SCALE set. */ + /* */ + typedef FT_Error + (*FT_AutoHinter_GlyphLoadFunc)( FT_AutoHinter hinter, + FT_GlyphSlot slot, + FT_Size size, + FT_UInt glyph_index, + FT_Int32 load_flags ); + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_AutoHinter_InterfaceRec */ + /* */ + /* <Description> */ + /* The auto-hinter module's interface. */ + /* */ + typedef struct FT_AutoHinter_InterfaceRec_ + { + FT_AutoHinter_GlobalResetFunc reset_face; + FT_AutoHinter_GlobalGetFunc get_global_hints; + FT_AutoHinter_GlobalDoneFunc done_global_hints; + FT_AutoHinter_GlyphLoadFunc load_glyph; + + } FT_AutoHinter_InterfaceRec, *FT_AutoHinter_Interface; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_AUTOHINTER_INTERFACE( \ + class_, \ + reset_face_, \ + get_global_hints_, \ + done_global_hints_, \ + load_glyph_ ) \ + FT_CALLBACK_TABLE_DEF \ + const FT_AutoHinter_InterfaceRec class_ = \ + { \ + reset_face_, \ + get_global_hints_, \ + done_global_hints_, \ + load_glyph_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_AUTOHINTER_INTERFACE( \ + class_, \ + reset_face_, \ + get_global_hints_, \ + done_global_hints_, \ + load_glyph_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + FT_AutoHinter_InterfaceRec* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->reset_face = reset_face_; \ + clazz->get_global_hints = get_global_hints_; \ + clazz->done_global_hints = done_global_hints_; \ + clazz->load_glyph = load_glyph_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + +FT_END_HEADER + +#endif /* AUTOHINT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/cffotypes.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/cffotypes.h new file mode 100644 index 00000000000..57e7591d41a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/cffotypes.h @@ -0,0 +1,108 @@ +/***************************************************************************/ +/* */ +/* cffotypes.h */ +/* */ +/* Basic OpenType/CFF object type definitions (specification). */ +/* */ +/* Copyright 2017-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFOTYPES_H_ +#define CFFOTYPES_H_ + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_CFF_TYPES_H +#include FT_INTERNAL_TRUETYPE_TYPES_H +#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include FT_INTERNAL_POSTSCRIPT_HINTS_H + + +FT_BEGIN_HEADER + + + typedef TT_Face CFF_Face; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* CFF_Size */ + /* */ + /* <Description> */ + /* A handle to an OpenType size object. */ + /* */ + typedef struct CFF_SizeRec_ + { + FT_SizeRec root; + FT_ULong strike_index; /* 0xFFFFFFFF to indicate invalid */ + + } CFF_SizeRec, *CFF_Size; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* CFF_GlyphSlot */ + /* */ + /* <Description> */ + /* A handle to an OpenType glyph slot object. */ + /* */ + typedef struct CFF_GlyphSlotRec_ + { + FT_GlyphSlotRec root; + + FT_Bool hint; + FT_Bool scaled; + + FT_Fixed x_scale; + FT_Fixed y_scale; + + } CFF_GlyphSlotRec, *CFF_GlyphSlot; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* CFF_Internal */ + /* */ + /* <Description> */ + /* The interface to the `internal' field of `FT_Size'. */ + /* */ + typedef struct CFF_InternalRec_ + { + PSH_Globals topfont; + PSH_Globals subfonts[CFF_MAX_CID_FONTS]; + + } CFF_InternalRec, *CFF_Internal; + + + /*************************************************************************/ + /* */ + /* Subglyph transformation record. */ + /* */ + typedef struct CFF_Transform_ + { + FT_Fixed xx, xy; /* transformation matrix coefficients */ + FT_Fixed yx, yy; + FT_F26Dot6 ox, oy; /* offsets */ + + } CFF_Transform; + + +FT_END_HEADER + + +#endif /* CFFOTYPES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/cfftypes.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/cfftypes.h new file mode 100644 index 00000000000..7c07e1a3768 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/cfftypes.h @@ -0,0 +1,412 @@ +/***************************************************************************/ +/* */ +/* cfftypes.h */ +/* */ +/* Basic OpenType/CFF type definitions and interface (specification */ +/* only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFTYPES_H_ +#define CFFTYPES_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_TYPE1_TABLES_H +#include FT_INTERNAL_SERVICE_H +#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include FT_INTERNAL_POSTSCRIPT_HINTS_H +#include FT_INTERNAL_TYPE1_TYPES_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* CFF_IndexRec */ + /* */ + /* <Description> */ + /* A structure used to model a CFF Index table. */ + /* */ + /* <Fields> */ + /* stream :: The source input stream. */ + /* */ + /* start :: The position of the first index byte in the */ + /* input stream. */ + /* */ + /* count :: The number of elements in the index. */ + /* */ + /* off_size :: The size in bytes of object offsets in index. */ + /* */ + /* data_offset :: The position of first data byte in the index's */ + /* bytes. */ + /* */ + /* data_size :: The size of the data table in this index. */ + /* */ + /* offsets :: A table of element offsets in the index. Must be */ + /* loaded explicitly. */ + /* */ + /* bytes :: If the index is loaded in memory, its bytes. */ + /* */ + typedef struct CFF_IndexRec_ + { + FT_Stream stream; + FT_ULong start; + FT_UInt hdr_size; + FT_UInt count; + FT_Byte off_size; + FT_ULong data_offset; + FT_ULong data_size; + + FT_ULong* offsets; + FT_Byte* bytes; + + } CFF_IndexRec, *CFF_Index; + + + typedef struct CFF_EncodingRec_ + { + FT_UInt format; + FT_ULong offset; + + FT_UInt count; + FT_UShort sids [256]; /* avoid dynamic allocations */ + FT_UShort codes[256]; + + } CFF_EncodingRec, *CFF_Encoding; + + + typedef struct CFF_CharsetRec_ + { + + FT_UInt format; + FT_ULong offset; + + FT_UShort* sids; + FT_UShort* cids; /* the inverse mapping of `sids'; only needed */ + /* for CID-keyed fonts */ + FT_UInt max_cid; + FT_UInt num_glyphs; + + } CFF_CharsetRec, *CFF_Charset; + + + /* cf. similar fields in file `ttgxvar.h' from the `truetype' module */ + + typedef struct CFF_VarData_ + { +#if 0 + FT_UInt itemCount; /* not used; always zero */ + FT_UInt shortDeltaCount; /* not used; always zero */ +#endif + + FT_UInt regionIdxCount; /* number of region indexes */ + FT_UInt* regionIndices; /* array of `regionIdxCount' indices; */ + /* these index `varRegionList' */ + } CFF_VarData; + + + /* contribution of one axis to a region */ + typedef struct CFF_AxisCoords_ + { + FT_Fixed startCoord; + FT_Fixed peakCoord; /* zero peak means no effect (factor = 1) */ + FT_Fixed endCoord; + + } CFF_AxisCoords; + + + typedef struct CFF_VarRegion_ + { + CFF_AxisCoords* axisList; /* array of axisCount records */ + + } CFF_VarRegion; + + + typedef struct CFF_VStoreRec_ + { + FT_UInt dataCount; + CFF_VarData* varData; /* array of dataCount records */ + /* vsindex indexes this array */ + FT_UShort axisCount; + FT_UInt regionCount; /* total number of regions defined */ + CFF_VarRegion* varRegionList; + + } CFF_VStoreRec, *CFF_VStore; + + + /* forward reference */ + typedef struct CFF_FontRec_* CFF_Font; + + + /* This object manages one cached blend vector. */ + /* */ + /* There is a BlendRec for Private DICT parsing in each subfont */ + /* and a BlendRec for charstrings in CF2_Font instance data. */ + /* A cached BV may be used across DICTs or Charstrings if inputs */ + /* have not changed. */ + /* */ + /* `usedBV' is reset at the start of each parse or charstring. */ + /* vsindex cannot be changed after a BV is used. */ + /* */ + /* Note: NDV is long (32/64 bit), while BV is 16.16 (FT_Int32). */ + typedef struct CFF_BlendRec_ + { + FT_Bool builtBV; /* blendV has been built */ + FT_Bool usedBV; /* blendV has been used */ + CFF_Font font; /* top level font struct */ + FT_UInt lastVsindex; /* last vsindex used */ + FT_UInt lenNDV; /* normDV length (aka numAxes) */ + FT_Fixed* lastNDV; /* last NDV used */ + FT_UInt lenBV; /* BlendV length (aka numMasters) */ + FT_Int32* BV; /* current blendV (per DICT/glyph) */ + + } CFF_BlendRec, *CFF_Blend; + + + typedef struct CFF_FontRecDictRec_ + { + FT_UInt version; + FT_UInt notice; + FT_UInt copyright; + FT_UInt full_name; + FT_UInt family_name; + FT_UInt weight; + FT_Bool is_fixed_pitch; + FT_Fixed italic_angle; + FT_Fixed underline_position; + FT_Fixed underline_thickness; + FT_Int paint_type; + FT_Int charstring_type; + FT_Matrix font_matrix; + FT_Bool has_font_matrix; + FT_ULong units_per_em; /* temporarily used as scaling value also */ + FT_Vector font_offset; + FT_ULong unique_id; + FT_BBox font_bbox; + FT_Pos stroke_width; + FT_ULong charset_offset; + FT_ULong encoding_offset; + FT_ULong charstrings_offset; + FT_ULong private_offset; + FT_ULong private_size; + FT_Long synthetic_base; + FT_UInt embedded_postscript; + + /* these should only be used for the top-level font dictionary */ + FT_UInt cid_registry; + FT_UInt cid_ordering; + FT_Long cid_supplement; + + FT_Long cid_font_version; + FT_Long cid_font_revision; + FT_Long cid_font_type; + FT_ULong cid_count; + FT_ULong cid_uid_base; + FT_ULong cid_fd_array_offset; + FT_ULong cid_fd_select_offset; + FT_UInt cid_font_name; + + /* the next fields come from the data of the deprecated */ + /* `MultipleMaster' operator; they are needed to parse the (also */ + /* deprecated) `blend' operator in Type 2 charstrings */ + FT_UShort num_designs; + FT_UShort num_axes; + + /* fields for CFF2 */ + FT_ULong vstore_offset; + FT_UInt maxstack; + + } CFF_FontRecDictRec, *CFF_FontRecDict; + + + /* forward reference */ + typedef struct CFF_SubFontRec_* CFF_SubFont; + + + typedef struct CFF_PrivateRec_ + { + FT_Byte num_blue_values; + FT_Byte num_other_blues; + FT_Byte num_family_blues; + FT_Byte num_family_other_blues; + + FT_Pos blue_values[14]; + FT_Pos other_blues[10]; + FT_Pos family_blues[14]; + FT_Pos family_other_blues[10]; + + FT_Fixed blue_scale; + FT_Pos blue_shift; + FT_Pos blue_fuzz; + FT_Pos standard_width; + FT_Pos standard_height; + + FT_Byte num_snap_widths; + FT_Byte num_snap_heights; + FT_Pos snap_widths[13]; + FT_Pos snap_heights[13]; + FT_Bool force_bold; + FT_Fixed force_bold_threshold; + FT_Int lenIV; + FT_Int language_group; + FT_Fixed expansion_factor; + FT_Long initial_random_seed; + FT_ULong local_subrs_offset; + FT_Pos default_width; + FT_Pos nominal_width; + + /* fields for CFF2 */ + FT_UInt vsindex; + CFF_SubFont subfont; + + } CFF_PrivateRec, *CFF_Private; + + + typedef struct CFF_FDSelectRec_ + { + FT_Byte format; + FT_UInt range_count; + + /* that's the table, taken from the file `as is' */ + FT_Byte* data; + FT_UInt data_size; + + /* small cache for format 3 only */ + FT_UInt cache_first; + FT_UInt cache_count; + FT_Byte cache_fd; + + } CFF_FDSelectRec, *CFF_FDSelect; + + + /* A SubFont packs a font dict and a private dict together. They are */ + /* needed to support CID-keyed CFF fonts. */ + typedef struct CFF_SubFontRec_ + { + CFF_FontRecDictRec font_dict; + CFF_PrivateRec private_dict; + + /* fields for CFF2 */ + CFF_BlendRec blend; /* current blend vector */ + FT_UInt lenNDV; /* current length NDV or zero */ + FT_Fixed* NDV; /* ptr to current NDV or NULL */ + + /* `blend_stack' is a writable buffer to hold blend results. */ + /* This buffer is to the side of the normal cff parser stack; */ + /* `cff_parse_blend' and `cff_blend_doBlend' push blend results here. */ + /* The normal stack then points to these values instead of the DICT */ + /* because all other operators in Private DICT clear the stack. */ + /* `blend_stack' could be cleared at each operator other than blend. */ + /* Blended values are stored as 5-byte fixed point values. */ + + FT_Byte* blend_stack; /* base of stack allocation */ + FT_Byte* blend_top; /* first empty slot */ + FT_UInt blend_used; /* number of bytes in use */ + FT_UInt blend_alloc; /* number of bytes allocated */ + + CFF_IndexRec local_subrs_index; + FT_Byte** local_subrs; /* array of pointers */ + /* into Local Subrs INDEX data */ + + FT_UInt32 random; + + } CFF_SubFontRec; + + +#define CFF_MAX_CID_FONTS 256 + + + typedef struct CFF_FontRec_ + { + FT_Library library; + FT_Stream stream; + FT_Memory memory; /* TODO: take this from stream->memory? */ + FT_ULong base_offset; /* offset to start of CFF */ + FT_UInt num_faces; + FT_UInt num_glyphs; + + FT_Byte version_major; + FT_Byte version_minor; + FT_Byte header_size; + + FT_UInt top_dict_length; /* cff2 only */ + + FT_Bool cff2; + + CFF_IndexRec name_index; + CFF_IndexRec top_dict_index; + CFF_IndexRec global_subrs_index; + + CFF_EncodingRec encoding; + CFF_CharsetRec charset; + + CFF_IndexRec charstrings_index; + CFF_IndexRec font_dict_index; + CFF_IndexRec private_index; + CFF_IndexRec local_subrs_index; + + FT_String* font_name; + + /* array of pointers into Global Subrs INDEX data */ + FT_Byte** global_subrs; + + /* array of pointers into String INDEX data stored at string_pool */ + FT_UInt num_strings; + FT_Byte** strings; + FT_Byte* string_pool; + FT_ULong string_pool_size; + + CFF_SubFontRec top_font; + FT_UInt num_subfonts; + CFF_SubFont subfonts[CFF_MAX_CID_FONTS]; + + CFF_FDSelectRec fd_select; + + /* interface to PostScript hinter */ + PSHinter_Service pshinter; + + /* interface to Postscript Names service */ + FT_Service_PsCMaps psnames; + + /* interface to CFFLoad service */ + const void* cffload; + + /* since version 2.3.0 */ + PS_FontInfoRec* font_info; /* font info dictionary */ + + /* since version 2.3.6 */ + FT_String* registry; + FT_String* ordering; + + /* since version 2.4.12 */ + FT_Generic cf2_instance; + + /* since version 2.7.1 */ + CFF_VStoreRec vstore; /* parsed vstore structure */ + + /* since version 2.9 */ + PS_FontExtraRec* font_extra; + + } CFF_FontRec; + + +FT_END_HEADER + +#endif /* CFFTYPES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftcalc.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftcalc.h new file mode 100644 index 00000000000..818a812359d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftcalc.h @@ -0,0 +1,444 @@ +/***************************************************************************/ +/* */ +/* ftcalc.h */ +/* */ +/* Arithmetic computations (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTCALC_H_ +#define FTCALC_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* FT_MulDiv() and FT_MulFix() are declared in freetype.h. */ + /* */ + /*************************************************************************/ + +#ifndef FT_CONFIG_OPTION_NO_ASSEMBLER + /* Provide assembler fragments for performance-critical functions. */ + /* These must be defined `static __inline__' with GCC. */ + +#if defined( __CC_ARM ) || defined( __ARMCC__ ) /* RVCT */ + +#define FT_MULFIX_ASSEMBLER FT_MulFix_arm + + /* documentation is in freetype.h */ + + static __inline FT_Int32 + FT_MulFix_arm( FT_Int32 a, + FT_Int32 b ) + { + FT_Int32 t, t2; + + + __asm + { + smull t2, t, b, a /* (lo=t2,hi=t) = a*b */ + mov a, t, asr #31 /* a = (hi >> 31) */ + add a, a, #0x8000 /* a += 0x8000 */ + adds t2, t2, a /* t2 += a */ + adc t, t, #0 /* t += carry */ + mov a, t2, lsr #16 /* a = t2 >> 16 */ + orr a, a, t, lsl #16 /* a |= t << 16 */ + } + return a; + } + +#endif /* __CC_ARM || __ARMCC__ */ + + +#ifdef __GNUC__ + +#if defined( __arm__ ) && \ + ( !defined( __thumb__ ) || defined( __thumb2__ ) ) && \ + !( defined( __CC_ARM ) || defined( __ARMCC__ ) ) + +#define FT_MULFIX_ASSEMBLER FT_MulFix_arm + + /* documentation is in freetype.h */ + + static __inline__ FT_Int32 + FT_MulFix_arm( FT_Int32 a, + FT_Int32 b ) + { + FT_Int32 t, t2; + + + __asm__ __volatile__ ( + "smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = a*b */ + "mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */ +#if defined( __clang__ ) && defined( __thumb2__ ) + "add.w %0, %0, #0x8000\n\t" /* %0 += 0x8000 */ +#else + "add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */ +#endif + "adds %1, %1, %0\n\t" /* %1 += %0 */ + "adc %2, %2, #0\n\t" /* %2 += carry */ + "mov %0, %1, lsr #16\n\t" /* %0 = %1 >> 16 */ + "orr %0, %0, %2, lsl #16\n\t" /* %0 |= %2 << 16 */ + : "=r"(a), "=&r"(t2), "=&r"(t) + : "r"(a), "r"(b) + : "cc" ); + return a; + } + +#endif /* __arm__ && */ + /* ( __thumb2__ || !__thumb__ ) && */ + /* !( __CC_ARM || __ARMCC__ ) */ + + +#if defined( __i386__ ) + +#define FT_MULFIX_ASSEMBLER FT_MulFix_i386 + + /* documentation is in freetype.h */ + + static __inline__ FT_Int32 + FT_MulFix_i386( FT_Int32 a, + FT_Int32 b ) + { + FT_Int32 result; + + + __asm__ __volatile__ ( + "imul %%edx\n" + "movl %%edx, %%ecx\n" + "sarl $31, %%ecx\n" + "addl $0x8000, %%ecx\n" + "addl %%ecx, %%eax\n" + "adcl $0, %%edx\n" + "shrl $16, %%eax\n" + "shll $16, %%edx\n" + "addl %%edx, %%eax\n" + : "=a"(result), "=d"(b) + : "a"(a), "d"(b) + : "%ecx", "cc" ); + return result; + } + +#endif /* i386 */ + +#endif /* __GNUC__ */ + + +#ifdef _MSC_VER /* Visual C++ */ + +#ifdef _M_IX86 + +#define FT_MULFIX_ASSEMBLER FT_MulFix_i386 + + /* documentation is in freetype.h */ + + static __inline FT_Int32 + FT_MulFix_i386( FT_Int32 a, + FT_Int32 b ) + { + FT_Int32 result; + + __asm + { + mov eax, a + mov edx, b + imul edx + mov ecx, edx + sar ecx, 31 + add ecx, 8000h + add eax, ecx + adc edx, 0 + shr eax, 16 + shl edx, 16 + add eax, edx + mov result, eax + } + return result; + } + +#endif /* _M_IX86 */ + +#endif /* _MSC_VER */ + + +#if defined( __GNUC__ ) && defined( __x86_64__ ) + +#define FT_MULFIX_ASSEMBLER FT_MulFix_x86_64 + + static __inline__ FT_Int32 + FT_MulFix_x86_64( FT_Int32 a, + FT_Int32 b ) + { + /* Temporarily disable the warning that C90 doesn't support */ + /* `long long'. */ +#if __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 6 ) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wlong-long" +#endif + +#if 1 + /* Technically not an assembly fragment, but GCC does a really good */ + /* job at inlining it and generating good machine code for it. */ + long long ret, tmp; + + + ret = (long long)a * b; + tmp = ret >> 63; + ret += 0x8000 + tmp; + + return (FT_Int32)( ret >> 16 ); +#else + + /* For some reason, GCC 4.6 on Ubuntu 12.04 generates invalid machine */ + /* code from the lines below. The main issue is that `wide_a' is not */ + /* properly initialized by sign-extending `a'. Instead, the generated */ + /* machine code assumes that the register that contains `a' on input */ + /* can be used directly as a 64-bit value, which is wrong most of the */ + /* time. */ + long long wide_a = (long long)a; + long long wide_b = (long long)b; + long long result; + + + __asm__ __volatile__ ( + "imul %2, %1\n" + "mov %1, %0\n" + "sar $63, %0\n" + "lea 0x8000(%1, %0), %0\n" + "sar $16, %0\n" + : "=&r"(result), "=&r"(wide_a) + : "r"(wide_b) + : "cc" ); + + return (FT_Int32)result; +#endif + +#if __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 6 ) +#pragma GCC diagnostic pop +#endif + } + +#endif /* __GNUC__ && __x86_64__ */ + +#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */ + + +#ifdef FT_CONFIG_OPTION_INLINE_MULFIX +#ifdef FT_MULFIX_ASSEMBLER +#define FT_MulFix( a, b ) FT_MULFIX_ASSEMBLER( (FT_Int32)(a), (FT_Int32)(b) ) +#endif +#endif + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_MulDiv_No_Round */ + /* */ + /* <Description> */ + /* A very simple function used to perform the computation `(a*b)/c' */ + /* (without rounding) with maximum accuracy (it uses a 64-bit */ + /* intermediate integer whenever necessary). */ + /* */ + /* This function isn't necessarily as fast as some processor specific */ + /* operations, but is at least completely portable. */ + /* */ + /* <Input> */ + /* a :: The first multiplier. */ + /* b :: The second multiplier. */ + /* c :: The divisor. */ + /* */ + /* <Return> */ + /* The result of `(a*b)/c'. This function never traps when trying to */ + /* divide by zero; it simply returns `MaxInt' or `MinInt' depending */ + /* on the signs of `a' and `b'. */ + /* */ + FT_BASE( FT_Long ) + FT_MulDiv_No_Round( FT_Long a, + FT_Long b, + FT_Long c ); + + + /* + * A variant of FT_Matrix_Multiply which scales its result afterwards. + * The idea is that both `a' and `b' are scaled by factors of 10 so that + * the values are as precise as possible to get a correct result during + * the 64bit multiplication. Let `sa' and `sb' be the scaling factors of + * `a' and `b', respectively, then the scaling factor of the result is + * `sa*sb'. + */ + FT_BASE( void ) + FT_Matrix_Multiply_Scaled( const FT_Matrix* a, + FT_Matrix *b, + FT_Long scaling ); + + + /* + * A variant of FT_Vector_Transform. See comments for + * FT_Matrix_Multiply_Scaled. + */ + FT_BASE( void ) + FT_Vector_Transform_Scaled( FT_Vector* vector, + const FT_Matrix* matrix, + FT_Long scaling ); + + + /* + * This function normalizes a vector and returns its original length. + * The normalized vector is a 16.16 fixed-point unit vector with length + * close to 0x10000. The accuracy of the returned length is limited to + * 16 bits also. The function utilizes quick inverse square root + * approximation without divisions and square roots relying on Newton's + * iterations instead. + */ + FT_BASE( FT_UInt32 ) + FT_Vector_NormLen( FT_Vector* vector ); + + + /* + * Return -1, 0, or +1, depending on the orientation of a given corner. + * We use the Cartesian coordinate system, with positive vertical values + * going upwards. The function returns +1 if the corner turns to the + * left, -1 to the right, and 0 for undecidable cases. + */ + FT_BASE( FT_Int ) + ft_corner_orientation( FT_Pos in_x, + FT_Pos in_y, + FT_Pos out_x, + FT_Pos out_y ); + + + /* + * Return TRUE if a corner is flat or nearly flat. This is equivalent to + * saying that the corner point is close to its neighbors, or inside an + * ellipse defined by the neighbor focal points to be more precise. + */ + FT_BASE( FT_Int ) + ft_corner_is_flat( FT_Pos in_x, + FT_Pos in_y, + FT_Pos out_x, + FT_Pos out_y ); + + + /* + * Return the most significant bit index. + */ + +#ifndef FT_CONFIG_OPTION_NO_ASSEMBLER +#if defined( __GNUC__ ) && \ + ( __GNUC__ > 3 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 4 ) ) + +#if FT_SIZEOF_INT == 4 + +#define FT_MSB( x ) ( 31 - __builtin_clz( x ) ) + +#elif FT_SIZEOF_LONG == 4 + +#define FT_MSB( x ) ( 31 - __builtin_clzl( x ) ) + +#endif + +#endif /* __GNUC__ */ +#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */ + +#ifndef FT_MSB + + FT_BASE( FT_Int ) + FT_MSB( FT_UInt32 z ); + +#endif + + + /* + * Return sqrt(x*x+y*y), which is the same as `FT_Vector_Length' but uses + * two fixed-point arguments instead. + */ + FT_BASE( FT_Fixed ) + FT_Hypot( FT_Fixed x, + FT_Fixed y ); + + +#if 0 + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_SqrtFixed */ + /* */ + /* <Description> */ + /* Computes the square root of a 16.16 fixed-point value. */ + /* */ + /* <Input> */ + /* x :: The value to compute the root for. */ + /* */ + /* <Return> */ + /* The result of `sqrt(x)'. */ + /* */ + /* <Note> */ + /* This function is not very fast. */ + /* */ + FT_BASE( FT_Int32 ) + FT_SqrtFixed( FT_Int32 x ); + +#endif /* 0 */ + + +#define INT_TO_F26DOT6( x ) ( (FT_Long)(x) * 64 ) /* << 6 */ +#define INT_TO_F2DOT14( x ) ( (FT_Long)(x) * 16384 ) /* << 14 */ +#define INT_TO_FIXED( x ) ( (FT_Long)(x) * 65536 ) /* << 16 */ +#define F2DOT14_TO_FIXED( x ) ( (FT_Long)(x) * 4 ) /* << 2 */ +#define FIXED_TO_INT( x ) ( FT_RoundFix( x ) >> 16 ) + +#define ROUND_F26DOT6( x ) ( x >= 0 ? ( ( (x) + 32 ) & -64 ) \ + : ( -( ( 32 - (x) ) & -64 ) ) ) + + /* + * The following macros have two purposes. + * + * . Tag places where overflow is expected and harmless. + * + * . Avoid run-time sanitizer errors. + * + * Use with care! + */ +#define ADD_LONG( a, b ) \ + (FT_Long)( (FT_ULong)(a) + (FT_ULong)(b) ) +#define SUB_LONG( a, b ) \ + (FT_Long)( (FT_ULong)(a) - (FT_ULong)(b) ) +#define MUL_LONG( a, b ) \ + (FT_Long)( (FT_ULong)(a) * (FT_ULong)(b) ) +#define NEG_LONG( a ) \ + (FT_Long)( (FT_ULong)0 - (FT_ULong)(a) ) + +#define ADD_INT32( a, b ) \ + (FT_Int32)( (FT_UInt32)(a) + (FT_UInt32)(b) ) +#define SUB_INT32( a, b ) \ + (FT_Int32)( (FT_UInt32)(a) - (FT_UInt32)(b) ) +#define MUL_INT32( a, b ) \ + (FT_Int32)( (FT_UInt32)(a) * (FT_UInt32)(b) ) +#define NEG_INT32( a ) \ + (FT_Int32)( (FT_UInt32)0 - (FT_UInt32)(a) ) + + +FT_END_HEADER + +#endif /* FTCALC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftdebug.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftdebug.h new file mode 100644 index 00000000000..292a4eedb8b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftdebug.h @@ -0,0 +1,255 @@ +/***************************************************************************/ +/* */ +/* ftdebug.h */ +/* */ +/* Debugging and logging component (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/* */ +/* IMPORTANT: A description of FreeType's debugging support can be */ +/* found in `docs/DEBUG.TXT'. Read it if you need to use or */ +/* understand this code. */ +/* */ +/***************************************************************************/ + + +#ifndef FTDEBUG_H_ +#define FTDEBUG_H_ + + +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H +#include FT_FREETYPE_H + + +FT_BEGIN_HEADER + + + /* force the definition of FT_DEBUG_LEVEL_ERROR if FT_DEBUG_LEVEL_TRACE */ + /* is already defined; this simplifies the following #ifdefs */ + /* */ +#ifdef FT_DEBUG_LEVEL_TRACE +#undef FT_DEBUG_LEVEL_ERROR +#define FT_DEBUG_LEVEL_ERROR +#endif + + + /*************************************************************************/ + /* */ + /* Define the trace enums as well as the trace levels array when they */ + /* are needed. */ + /* */ + /*************************************************************************/ + +#ifdef FT_DEBUG_LEVEL_TRACE + +#define FT_TRACE_DEF( x ) trace_ ## x , + + /* defining the enumeration */ + typedef enum FT_Trace_ + { +#include FT_INTERNAL_TRACE_H + trace_count + + } FT_Trace; + + + /* defining the array of trace levels, provided by `src/base/ftdebug.c' */ + extern int ft_trace_levels[trace_count]; + +#undef FT_TRACE_DEF + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + + /*************************************************************************/ + /* */ + /* Define the FT_TRACE macro */ + /* */ + /* IMPORTANT! */ + /* */ + /* Each component must define the macro FT_COMPONENT to a valid FT_Trace */ + /* value before using any TRACE macro. */ + /* */ + /*************************************************************************/ + +#ifdef FT_DEBUG_LEVEL_TRACE + +#define FT_TRACE( level, varformat ) \ + do \ + { \ + if ( ft_trace_levels[FT_COMPONENT] >= level ) \ + FT_Message varformat; \ + } while ( 0 ) + +#else /* !FT_DEBUG_LEVEL_TRACE */ + +#define FT_TRACE( level, varformat ) do { } while ( 0 ) /* nothing */ + +#endif /* !FT_DEBUG_LEVEL_TRACE */ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Trace_Get_Count */ + /* */ + /* <Description> */ + /* Return the number of available trace components. */ + /* */ + /* <Return> */ + /* The number of trace components. 0 if FreeType 2 is not built with */ + /* FT_DEBUG_LEVEL_TRACE definition. */ + /* */ + /* <Note> */ + /* This function may be useful if you want to access elements of */ + /* the internal `ft_trace_levels' array by an index. */ + /* */ + FT_BASE( FT_Int ) + FT_Trace_Get_Count( void ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Trace_Get_Name */ + /* */ + /* <Description> */ + /* Return the name of a trace component. */ + /* */ + /* <Input> */ + /* The index of the trace component. */ + /* */ + /* <Return> */ + /* The name of the trace component. This is a statically allocated */ + /* C string, so do not free it after use. NULL if FreeType 2 is not */ + /* built with FT_DEBUG_LEVEL_TRACE definition. */ + /* */ + /* <Note> */ + /* Use @FT_Trace_Get_Count to get the number of available trace */ + /* components. */ + /* */ + /* This function may be useful if you want to control FreeType 2's */ + /* debug level in your application. */ + /* */ + FT_BASE( const char* ) + FT_Trace_Get_Name( FT_Int idx ); + + + /*************************************************************************/ + /* */ + /* You need two opening and closing parentheses! */ + /* */ + /* Example: FT_TRACE0(( "Value is %i", foo )) */ + /* */ + /* Output of the FT_TRACEX macros is sent to stderr. */ + /* */ + /*************************************************************************/ + +#define FT_TRACE0( varformat ) FT_TRACE( 0, varformat ) +#define FT_TRACE1( varformat ) FT_TRACE( 1, varformat ) +#define FT_TRACE2( varformat ) FT_TRACE( 2, varformat ) +#define FT_TRACE3( varformat ) FT_TRACE( 3, varformat ) +#define FT_TRACE4( varformat ) FT_TRACE( 4, varformat ) +#define FT_TRACE5( varformat ) FT_TRACE( 5, varformat ) +#define FT_TRACE6( varformat ) FT_TRACE( 6, varformat ) +#define FT_TRACE7( varformat ) FT_TRACE( 7, varformat ) + + + /*************************************************************************/ + /* */ + /* Define the FT_ERROR macro. */ + /* */ + /* Output of this macro is sent to stderr. */ + /* */ + /*************************************************************************/ + +#ifdef FT_DEBUG_LEVEL_ERROR + +#define FT_ERROR( varformat ) FT_Message varformat + +#else /* !FT_DEBUG_LEVEL_ERROR */ + +#define FT_ERROR( varformat ) do { } while ( 0 ) /* nothing */ + +#endif /* !FT_DEBUG_LEVEL_ERROR */ + + + /*************************************************************************/ + /* */ + /* Define the FT_ASSERT and FT_THROW macros. The call to `FT_Throw' */ + /* makes it possible to easily set a breakpoint at this function. */ + /* */ + /*************************************************************************/ + +#ifdef FT_DEBUG_LEVEL_ERROR + +#define FT_ASSERT( condition ) \ + do \ + { \ + if ( !( condition ) ) \ + FT_Panic( "assertion failed on line %d of file %s\n", \ + __LINE__, __FILE__ ); \ + } while ( 0 ) + +#define FT_THROW( e ) \ + ( FT_Throw( FT_ERR_CAT( FT_ERR_PREFIX, e ), \ + __LINE__, \ + __FILE__ ) | \ + FT_ERR_CAT( FT_ERR_PREFIX, e ) ) + +#else /* !FT_DEBUG_LEVEL_ERROR */ + +#define FT_ASSERT( condition ) do { } while ( 0 ) + +#define FT_THROW( e ) FT_ERR_CAT( FT_ERR_PREFIX, e ) + +#endif /* !FT_DEBUG_LEVEL_ERROR */ + + + /*************************************************************************/ + /* */ + /* Define `FT_Message' and `FT_Panic' when needed. */ + /* */ + /*************************************************************************/ + +#ifdef FT_DEBUG_LEVEL_ERROR + +#include "stdio.h" /* for vfprintf() */ + + /* print a message */ + FT_BASE( void ) + FT_Message( const char* fmt, + ... ); + + /* print a message and exit */ + FT_BASE( void ) + FT_Panic( const char* fmt, + ... ); + + /* report file name and line number of an error */ + FT_BASE( int ) + FT_Throw( FT_Error error, + int line, + const char* file ); + +#endif /* FT_DEBUG_LEVEL_ERROR */ + + + FT_BASE( void ) + ft_debug_init( void ); + +FT_END_HEADER + +#endif /* FTDEBUG_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftdrv.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftdrv.h new file mode 100644 index 00000000000..58dd35a9337 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftdrv.h @@ -0,0 +1,400 @@ +/***************************************************************************/ +/* */ +/* ftdrv.h */ +/* */ +/* FreeType internal font driver interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTDRV_H_ +#define FTDRV_H_ + + +#include <ft2build.h> +#include FT_MODULE_H + + +FT_BEGIN_HEADER + + + typedef FT_Error + (*FT_Face_InitFunc)( FT_Stream stream, + FT_Face face, + FT_Int typeface_index, + FT_Int num_params, + FT_Parameter* parameters ); + + typedef void + (*FT_Face_DoneFunc)( FT_Face face ); + + + typedef FT_Error + (*FT_Size_InitFunc)( FT_Size size ); + + typedef void + (*FT_Size_DoneFunc)( FT_Size size ); + + + typedef FT_Error + (*FT_Slot_InitFunc)( FT_GlyphSlot slot ); + + typedef void + (*FT_Slot_DoneFunc)( FT_GlyphSlot slot ); + + + typedef FT_Error + (*FT_Size_RequestFunc)( FT_Size size, + FT_Size_Request req ); + + typedef FT_Error + (*FT_Size_SelectFunc)( FT_Size size, + FT_ULong size_index ); + + typedef FT_Error + (*FT_Slot_LoadFunc)( FT_GlyphSlot slot, + FT_Size size, + FT_UInt glyph_index, + FT_Int32 load_flags ); + + + typedef FT_Error + (*FT_Face_GetKerningFunc)( FT_Face face, + FT_UInt left_glyph, + FT_UInt right_glyph, + FT_Vector* kerning ); + + + typedef FT_Error + (*FT_Face_AttachFunc)( FT_Face face, + FT_Stream stream ); + + + typedef FT_Error + (*FT_Face_GetAdvancesFunc)( FT_Face face, + FT_UInt first, + FT_UInt count, + FT_Int32 flags, + FT_Fixed* advances ); + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Driver_ClassRec */ + /* */ + /* <Description> */ + /* The font driver class. This structure mostly contains pointers to */ + /* driver methods. */ + /* */ + /* <Fields> */ + /* root :: The parent module. */ + /* */ + /* face_object_size :: The size of a face object in bytes. */ + /* */ + /* size_object_size :: The size of a size object in bytes. */ + /* */ + /* slot_object_size :: The size of a glyph object in bytes. */ + /* */ + /* init_face :: The format-specific face constructor. */ + /* */ + /* done_face :: The format-specific face destructor. */ + /* */ + /* init_size :: The format-specific size constructor. */ + /* */ + /* done_size :: The format-specific size destructor. */ + /* */ + /* init_slot :: The format-specific slot constructor. */ + /* */ + /* done_slot :: The format-specific slot destructor. */ + /* */ + /* */ + /* load_glyph :: A function handle to load a glyph to a slot. */ + /* This field is mandatory! */ + /* */ + /* get_kerning :: A function handle to return the unscaled */ + /* kerning for a given pair of glyphs. Can be */ + /* set to 0 if the format doesn't support */ + /* kerning. */ + /* */ + /* attach_file :: This function handle is used to read */ + /* additional data for a face from another */ + /* file/stream. For example, this can be used to */ + /* add data from AFM or PFM files on a Type 1 */ + /* face, or a CIDMap on a CID-keyed face. */ + /* */ + /* get_advances :: A function handle used to return advance */ + /* widths of `count' glyphs (in font units), */ + /* starting at `first'. The `vertical' flag must */ + /* be set to get vertical advance heights. The */ + /* `advances' buffer is caller-allocated. */ + /* The idea of this function is to be able to */ + /* perform device-independent text layout without */ + /* loading a single glyph image. */ + /* */ + /* request_size :: A handle to a function used to request the new */ + /* character size. Can be set to 0 if the */ + /* scaling done in the base layer suffices. */ + /* */ + /* select_size :: A handle to a function used to select a new */ + /* fixed size. It is used only if */ + /* @FT_FACE_FLAG_FIXED_SIZES is set. Can be set */ + /* to 0 if the scaling done in the base layer */ + /* suffices. */ + /* <Note> */ + /* Most function pointers, with the exception of `load_glyph', can be */ + /* set to 0 to indicate a default behaviour. */ + /* */ + typedef struct FT_Driver_ClassRec_ + { + FT_Module_Class root; + + FT_Long face_object_size; + FT_Long size_object_size; + FT_Long slot_object_size; + + FT_Face_InitFunc init_face; + FT_Face_DoneFunc done_face; + + FT_Size_InitFunc init_size; + FT_Size_DoneFunc done_size; + + FT_Slot_InitFunc init_slot; + FT_Slot_DoneFunc done_slot; + + FT_Slot_LoadFunc load_glyph; + + FT_Face_GetKerningFunc get_kerning; + FT_Face_AttachFunc attach_file; + FT_Face_GetAdvancesFunc get_advances; + + /* since version 2.2 */ + FT_Size_RequestFunc request_size; + FT_Size_SelectFunc select_size; + + } FT_Driver_ClassRec, *FT_Driver_Class; + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_DECLARE_DRIVER */ + /* */ + /* <Description> */ + /* Used to create a forward declaration of an FT_Driver_ClassRec */ + /* struct instance. */ + /* */ + /* <Macro> */ + /* FT_DEFINE_DRIVER */ + /* */ + /* <Description> */ + /* Used to initialize an instance of FT_Driver_ClassRec struct. */ + /* */ + /* When FT_CONFIG_OPTION_PIC is defined a `create' function has to be */ + /* called with a pointer where the allocated structure is returned. */ + /* And when it is no longer needed a `destroy' function needs to be */ + /* called to release that allocation. */ + /* */ + /* `ftinit.c' (ft_create_default_module_classes) already contains a */ + /* mechanism to call these functions for the default modules */ + /* described in `ftmodule.h'. */ + /* */ + /* Notice that the created `create' and `destroy' functions call */ + /* `pic_init' and `pic_free' to allow you to manually allocate and */ + /* initialize any additional global data, like a module specific */ + /* interface, and put them in the global pic container defined in */ + /* `ftpic.h'. If you don't need them just implement the functions as */ + /* empty to resolve the link error. Also the `pic_init' and */ + /* `pic_free' functions should be declared in `pic.h', to be referred */ + /* by driver definition calling `FT_DEFINE_DRIVER' in following. */ + /* */ + /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */ + /* allocated in the global scope (or the scope where the macro is */ + /* used). */ + /* */ +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DECLARE_DRIVER( class_ ) \ + FT_CALLBACK_TABLE \ + const FT_Driver_ClassRec class_; + +#define FT_DEFINE_DRIVER( \ + class_, \ + flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_, \ + face_object_size_, \ + size_object_size_, \ + slot_object_size_, \ + init_face_, \ + done_face_, \ + init_size_, \ + done_size_, \ + init_slot_, \ + done_slot_, \ + load_glyph_, \ + get_kerning_, \ + attach_file_, \ + get_advances_, \ + request_size_, \ + select_size_ ) \ + FT_CALLBACK_TABLE_DEF \ + const FT_Driver_ClassRec class_ = \ + { \ + FT_DEFINE_ROOT_MODULE( flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_ ) \ + \ + face_object_size_, \ + size_object_size_, \ + slot_object_size_, \ + \ + init_face_, \ + done_face_, \ + \ + init_size_, \ + done_size_, \ + \ + init_slot_, \ + done_slot_, \ + \ + load_glyph_, \ + \ + get_kerning_, \ + attach_file_, \ + get_advances_, \ + \ + request_size_, \ + select_size_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DECLARE_DRIVER( class_ ) FT_DECLARE_MODULE( class_ ) + +#define FT_DEFINE_DRIVER( \ + class_, \ + flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_, \ + face_object_size_, \ + size_object_size_, \ + slot_object_size_, \ + init_face_, \ + done_face_, \ + init_size_, \ + done_size_, \ + init_slot_, \ + done_slot_, \ + load_glyph_, \ + get_kerning_, \ + attach_file_, \ + get_advances_, \ + request_size_, \ + select_size_ ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_Module_Class* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + FT_Driver_Class dclazz = (FT_Driver_Class)clazz; \ + \ + \ + class_ ## _pic_free( library ); \ + if ( dclazz ) \ + FT_FREE( dclazz ); \ + } \ + \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_Module_Class** output_class ) \ + { \ + FT_Driver_Class clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) ) ) \ + return error; \ + \ + error = class_ ## _pic_init( library ); \ + if ( error ) \ + { \ + FT_FREE( clazz ); \ + return error; \ + } \ + \ + FT_DEFINE_ROOT_MODULE( flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_ ) \ + \ + clazz->face_object_size = face_object_size_; \ + clazz->size_object_size = size_object_size_; \ + clazz->slot_object_size = slot_object_size_; \ + \ + clazz->init_face = init_face_; \ + clazz->done_face = done_face_; \ + \ + clazz->init_size = init_size_; \ + clazz->done_size = done_size_; \ + \ + clazz->init_slot = init_slot_; \ + clazz->done_slot = done_slot_; \ + \ + clazz->load_glyph = load_glyph_; \ + \ + clazz->get_kerning = get_kerning_; \ + clazz->attach_file = attach_file_; \ + clazz->get_advances = get_advances_; \ + \ + clazz->request_size = request_size_; \ + clazz->select_size = select_size_; \ + \ + *output_class = (FT_Module_Class*)clazz; \ + \ + return FT_Err_Ok; \ + } + + +#endif /* FT_CONFIG_OPTION_PIC */ + +FT_END_HEADER + +#endif /* FTDRV_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftgloadr.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftgloadr.h new file mode 100644 index 00000000000..a002fdbfca3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftgloadr.h @@ -0,0 +1,154 @@ +/***************************************************************************/ +/* */ +/* ftgloadr.h */ +/* */ +/* The FreeType glyph loader (specification). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTGLOADR_H_ +#define FTGLOADR_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_GlyphLoader */ + /* */ + /* <Description> */ + /* The glyph loader is an internal object used to load several glyphs */ + /* together (for example, in the case of composites). */ + /* */ + typedef struct FT_SubGlyphRec_ + { + FT_Int index; + FT_UShort flags; + FT_Int arg1; + FT_Int arg2; + FT_Matrix transform; + + } FT_SubGlyphRec; + + + typedef struct FT_GlyphLoadRec_ + { + FT_Outline outline; /* outline */ + FT_Vector* extra_points; /* extra points table */ + FT_Vector* extra_points2; /* second extra points table */ + FT_UInt num_subglyphs; /* number of subglyphs */ + FT_SubGlyph subglyphs; /* subglyphs */ + + } FT_GlyphLoadRec, *FT_GlyphLoad; + + + typedef struct FT_GlyphLoaderRec_ + { + FT_Memory memory; + FT_UInt max_points; + FT_UInt max_contours; + FT_UInt max_subglyphs; + FT_Bool use_extra; + + FT_GlyphLoadRec base; + FT_GlyphLoadRec current; + + void* other; /* for possible future extension? */ + + } FT_GlyphLoaderRec, *FT_GlyphLoader; + + + /* create new empty glyph loader */ + FT_BASE( FT_Error ) + FT_GlyphLoader_New( FT_Memory memory, + FT_GlyphLoader *aloader ); + + /* add an extra points table to a glyph loader */ + FT_BASE( FT_Error ) + FT_GlyphLoader_CreateExtra( FT_GlyphLoader loader ); + + /* destroy a glyph loader */ + FT_BASE( void ) + FT_GlyphLoader_Done( FT_GlyphLoader loader ); + + /* reset a glyph loader (frees everything int it) */ + FT_BASE( void ) + FT_GlyphLoader_Reset( FT_GlyphLoader loader ); + + /* rewind a glyph loader */ + FT_BASE( void ) + FT_GlyphLoader_Rewind( FT_GlyphLoader loader ); + + /* check that there is enough space to add `n_points' and `n_contours' */ + /* to the glyph loader */ + FT_BASE( FT_Error ) + FT_GlyphLoader_CheckPoints( FT_GlyphLoader loader, + FT_UInt n_points, + FT_UInt n_contours ); + + +#define FT_GLYPHLOADER_CHECK_P( _loader, _count ) \ + ( (_count) == 0 || \ + ( (FT_UInt)(_loader)->base.outline.n_points + \ + (FT_UInt)(_loader)->current.outline.n_points + \ + (FT_UInt)(_count) ) <= (_loader)->max_points ) + +#define FT_GLYPHLOADER_CHECK_C( _loader, _count ) \ + ( (_count) == 0 || \ + ( (FT_UInt)(_loader)->base.outline.n_contours + \ + (FT_UInt)(_loader)->current.outline.n_contours + \ + (FT_UInt)(_count) ) <= (_loader)->max_contours ) + +#define FT_GLYPHLOADER_CHECK_POINTS( _loader, _points, _contours ) \ + ( ( FT_GLYPHLOADER_CHECK_P( _loader, _points ) && \ + FT_GLYPHLOADER_CHECK_C( _loader, _contours ) ) \ + ? 0 \ + : FT_GlyphLoader_CheckPoints( (_loader), \ + (FT_UInt)(_points), \ + (FT_UInt)(_contours) ) ) + + + /* check that there is enough space to add `n_subs' sub-glyphs to */ + /* a glyph loader */ + FT_BASE( FT_Error ) + FT_GlyphLoader_CheckSubGlyphs( FT_GlyphLoader loader, + FT_UInt n_subs ); + + /* prepare a glyph loader, i.e. empty the current glyph */ + FT_BASE( void ) + FT_GlyphLoader_Prepare( FT_GlyphLoader loader ); + + /* add the current glyph to the base glyph */ + FT_BASE( void ) + FT_GlyphLoader_Add( FT_GlyphLoader loader ); + + /* copy points from one glyph loader to another */ + FT_BASE( FT_Error ) + FT_GlyphLoader_CopyPoints( FT_GlyphLoader target, + FT_GlyphLoader source ); + + /* */ + + +FT_END_HEADER + +#endif /* FTGLOADR_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/fthash.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/fthash.h new file mode 100644 index 00000000000..f22f9d5d390 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/fthash.h @@ -0,0 +1,136 @@ +/***************************************************************************/ +/* */ +/* fthash.h */ +/* */ +/* Hashing functions (specification). */ +/* */ +/***************************************************************************/ + +/* + * Copyright 2000 Computing Research Labs, New Mexico State University + * Copyright 2001-2015 + * Francesco Zappa Nardelli + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT + * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + /*************************************************************************/ + /* */ + /* This file is based on code from bdf.c,v 1.22 2000/03/16 20:08:50 */ + /* */ + /* taken from Mark Leisher's xmbdfed package */ + /* */ + /*************************************************************************/ + + +#ifndef FTHASH_H_ +#define FTHASH_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + + +FT_BEGIN_HEADER + + + typedef union FT_Hashkey_ + { + FT_Int num; + const char* str; + + } FT_Hashkey; + + + typedef struct FT_HashnodeRec_ + { + FT_Hashkey key; + size_t data; + + } FT_HashnodeRec; + + typedef struct FT_HashnodeRec_ *FT_Hashnode; + + + typedef FT_ULong + (*FT_Hash_LookupFunc)( FT_Hashkey* key ); + + typedef FT_Bool + (*FT_Hash_CompareFunc)( FT_Hashkey* a, + FT_Hashkey* b ); + + + typedef struct FT_HashRec_ + { + FT_UInt limit; + FT_UInt size; + FT_UInt used; + + FT_Hash_LookupFunc lookup; + FT_Hash_CompareFunc compare; + + FT_Hashnode* table; + + } FT_HashRec; + + typedef struct FT_HashRec_ *FT_Hash; + + + FT_Error + ft_hash_str_init( FT_Hash hash, + FT_Memory memory ); + + FT_Error + ft_hash_num_init( FT_Hash hash, + FT_Memory memory ); + + void + ft_hash_str_free( FT_Hash hash, + FT_Memory memory ); + +#define ft_hash_num_free ft_hash_str_free + + FT_Error + ft_hash_str_insert( const char* key, + size_t data, + FT_Hash hash, + FT_Memory memory ); + + FT_Error + ft_hash_num_insert( FT_Int num, + size_t data, + FT_Hash hash, + FT_Memory memory ); + + size_t* + ft_hash_str_lookup( const char* key, + FT_Hash hash ); + + size_t* + ft_hash_num_lookup( FT_Int num, + FT_Hash hash ); + + +FT_END_HEADER + + +#endif /* FTHASH_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftmemory.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftmemory.h new file mode 100644 index 00000000000..054eaec31f7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftmemory.h @@ -0,0 +1,393 @@ +/***************************************************************************/ +/* */ +/* ftmemory.h */ +/* */ +/* The FreeType memory management macros (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTMEMORY_H_ +#define FTMEMORY_H_ + + +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H +#include FT_TYPES_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_SET_ERROR */ + /* */ + /* <Description> */ + /* This macro is used to set an implicit `error' variable to a given */ + /* expression's value (usually a function call), and convert it to a */ + /* boolean which is set whenever the value is != 0. */ + /* */ +#undef FT_SET_ERROR +#define FT_SET_ERROR( expression ) \ + ( ( error = (expression) ) != 0 ) + + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** M E M O R Y ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /* + * C++ refuses to handle statements like p = (void*)anything, with `p' a + * typed pointer. Since we don't have a `typeof' operator in standard + * C++, we have to use a template to emulate it. + */ + +#ifdef __cplusplus + +extern "C++" +{ + template <typename T> inline T* + cplusplus_typeof( T*, + void *v ) + { + return static_cast <T*> ( v ); + } +} + +#define FT_ASSIGNP( p, val ) (p) = cplusplus_typeof( (p), (val) ) + +#else + +#define FT_ASSIGNP( p, val ) (p) = (val) + +#endif + + + +#ifdef FT_DEBUG_MEMORY + + FT_BASE( const char* ) _ft_debug_file; + FT_BASE( long ) _ft_debug_lineno; + +#define FT_DEBUG_INNER( exp ) ( _ft_debug_file = __FILE__, \ + _ft_debug_lineno = __LINE__, \ + (exp) ) + +#define FT_ASSIGNP_INNER( p, exp ) ( _ft_debug_file = __FILE__, \ + _ft_debug_lineno = __LINE__, \ + FT_ASSIGNP( p, exp ) ) + +#else /* !FT_DEBUG_MEMORY */ + +#define FT_DEBUG_INNER( exp ) (exp) +#define FT_ASSIGNP_INNER( p, exp ) FT_ASSIGNP( p, exp ) + +#endif /* !FT_DEBUG_MEMORY */ + + + /* + * The allocation functions return a pointer, and the error code + * is written to through the `p_error' parameter. + */ + + /* The `q' variants of the functions below (`q' for `quick') don't fill */ + /* the allocated or reallocated memory with zero bytes. */ + + FT_BASE( FT_Pointer ) + ft_mem_alloc( FT_Memory memory, + FT_Long size, + FT_Error *p_error ); + + FT_BASE( FT_Pointer ) + ft_mem_qalloc( FT_Memory memory, + FT_Long size, + FT_Error *p_error ); + + FT_BASE( FT_Pointer ) + ft_mem_realloc( FT_Memory memory, + FT_Long item_size, + FT_Long cur_count, + FT_Long new_count, + void* block, + FT_Error *p_error ); + + FT_BASE( FT_Pointer ) + ft_mem_qrealloc( FT_Memory memory, + FT_Long item_size, + FT_Long cur_count, + FT_Long new_count, + void* block, + FT_Error *p_error ); + + FT_BASE( void ) + ft_mem_free( FT_Memory memory, + const void* P ); + + + /* The `Q' variants of the macros below (`Q' for `quick') don't fill */ + /* the allocated or reallocated memory with zero bytes. */ + +#define FT_MEM_ALLOC( ptr, size ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_alloc( memory, \ + (FT_Long)(size), \ + &error ) ) + +#define FT_MEM_FREE( ptr ) \ + FT_BEGIN_STMNT \ + ft_mem_free( memory, (ptr) ); \ + (ptr) = NULL; \ + FT_END_STMNT + +#define FT_MEM_NEW( ptr ) \ + FT_MEM_ALLOC( ptr, sizeof ( *(ptr) ) ) + +#define FT_MEM_REALLOC( ptr, cursz, newsz ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, \ + 1, \ + (FT_Long)(cursz), \ + (FT_Long)(newsz), \ + (ptr), \ + &error ) ) + +#define FT_MEM_QALLOC( ptr, size ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_qalloc( memory, \ + (FT_Long)(size), \ + &error ) ) + +#define FT_MEM_QNEW( ptr ) \ + FT_MEM_QALLOC( ptr, sizeof ( *(ptr) ) ) + +#define FT_MEM_QREALLOC( ptr, cursz, newsz ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, \ + 1, \ + (FT_Long)(cursz), \ + (FT_Long)(newsz), \ + (ptr), \ + &error ) ) + +#define FT_MEM_ALLOC_MULT( ptr, count, item_size ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, \ + (FT_Long)(item_size), \ + 0, \ + (FT_Long)(count), \ + NULL, \ + &error ) ) + +#define FT_MEM_REALLOC_MULT( ptr, oldcnt, newcnt, itmsz ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, \ + (FT_Long)(itmsz), \ + (FT_Long)(oldcnt), \ + (FT_Long)(newcnt), \ + (ptr), \ + &error ) ) + +#define FT_MEM_QALLOC_MULT( ptr, count, item_size ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, \ + (FT_Long)(item_size), \ + 0, \ + (FT_Long)(count), \ + NULL, \ + &error ) ) + +#define FT_MEM_QREALLOC_MULT( ptr, oldcnt, newcnt, itmsz ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, \ + (FT_Long)(itmsz), \ + (FT_Long)(oldcnt), \ + (FT_Long)(newcnt), \ + (ptr), \ + &error ) ) + + +#define FT_MEM_SET_ERROR( cond ) ( (cond), error != 0 ) + + +#define FT_MEM_SET( dest, byte, count ) \ + ft_memset( dest, byte, (FT_Offset)(count) ) + +#define FT_MEM_COPY( dest, source, count ) \ + ft_memcpy( dest, source, (FT_Offset)(count) ) + +#define FT_MEM_MOVE( dest, source, count ) \ + ft_memmove( dest, source, (FT_Offset)(count) ) + + +#define FT_MEM_ZERO( dest, count ) FT_MEM_SET( dest, 0, count ) + +#define FT_ZERO( p ) FT_MEM_ZERO( p, sizeof ( *(p) ) ) + + +#define FT_ARRAY_ZERO( dest, count ) \ + FT_MEM_ZERO( dest, \ + (FT_Offset)(count) * sizeof ( *(dest) ) ) + +#define FT_ARRAY_COPY( dest, source, count ) \ + FT_MEM_COPY( dest, \ + source, \ + (FT_Offset)(count) * sizeof ( *(dest) ) ) + +#define FT_ARRAY_MOVE( dest, source, count ) \ + FT_MEM_MOVE( dest, \ + source, \ + (FT_Offset)(count) * sizeof ( *(dest) ) ) + + + /* + * Return the maximum number of addressable elements in an array. + * We limit ourselves to INT_MAX, rather than UINT_MAX, to avoid + * any problems. + */ +#define FT_ARRAY_MAX( ptr ) ( FT_INT_MAX / sizeof ( *(ptr) ) ) + +#define FT_ARRAY_CHECK( ptr, count ) ( (count) <= FT_ARRAY_MAX( ptr ) ) + + + /*************************************************************************/ + /* */ + /* The following functions macros expect that their pointer argument is */ + /* _typed_ in order to automatically compute array element sizes. */ + /* */ + +#define FT_MEM_NEW_ARRAY( ptr, count ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, \ + sizeof ( *(ptr) ), \ + 0, \ + (FT_Long)(count), \ + NULL, \ + &error ) ) + +#define FT_MEM_RENEW_ARRAY( ptr, cursz, newsz ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, \ + sizeof ( *(ptr) ), \ + (FT_Long)(cursz), \ + (FT_Long)(newsz), \ + (ptr), \ + &error ) ) + +#define FT_MEM_QNEW_ARRAY( ptr, count ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, \ + sizeof ( *(ptr) ), \ + 0, \ + (FT_Long)(count), \ + NULL, \ + &error ) ) + +#define FT_MEM_QRENEW_ARRAY( ptr, cursz, newsz ) \ + FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, \ + sizeof ( *(ptr) ), \ + (FT_Long)(cursz), \ + (FT_Long)(newsz), \ + (ptr), \ + &error ) ) + +#define FT_ALLOC( ptr, size ) \ + FT_MEM_SET_ERROR( FT_MEM_ALLOC( ptr, size ) ) + +#define FT_REALLOC( ptr, cursz, newsz ) \ + FT_MEM_SET_ERROR( FT_MEM_REALLOC( ptr, cursz, newsz ) ) + +#define FT_ALLOC_MULT( ptr, count, item_size ) \ + FT_MEM_SET_ERROR( FT_MEM_ALLOC_MULT( ptr, count, item_size ) ) + +#define FT_REALLOC_MULT( ptr, oldcnt, newcnt, itmsz ) \ + FT_MEM_SET_ERROR( FT_MEM_REALLOC_MULT( ptr, oldcnt, \ + newcnt, itmsz ) ) + +#define FT_QALLOC( ptr, size ) \ + FT_MEM_SET_ERROR( FT_MEM_QALLOC( ptr, size ) ) + +#define FT_QREALLOC( ptr, cursz, newsz ) \ + FT_MEM_SET_ERROR( FT_MEM_QREALLOC( ptr, cursz, newsz ) ) + +#define FT_QALLOC_MULT( ptr, count, item_size ) \ + FT_MEM_SET_ERROR( FT_MEM_QALLOC_MULT( ptr, count, item_size ) ) + +#define FT_QREALLOC_MULT( ptr, oldcnt, newcnt, itmsz ) \ + FT_MEM_SET_ERROR( FT_MEM_QREALLOC_MULT( ptr, oldcnt, \ + newcnt, itmsz ) ) + +#define FT_FREE( ptr ) FT_MEM_FREE( ptr ) + +#define FT_NEW( ptr ) FT_MEM_SET_ERROR( FT_MEM_NEW( ptr ) ) + +#define FT_NEW_ARRAY( ptr, count ) \ + FT_MEM_SET_ERROR( FT_MEM_NEW_ARRAY( ptr, count ) ) + +#define FT_RENEW_ARRAY( ptr, curcnt, newcnt ) \ + FT_MEM_SET_ERROR( FT_MEM_RENEW_ARRAY( ptr, curcnt, newcnt ) ) + +#define FT_QNEW( ptr ) \ + FT_MEM_SET_ERROR( FT_MEM_QNEW( ptr ) ) + +#define FT_QNEW_ARRAY( ptr, count ) \ + FT_MEM_SET_ERROR( FT_MEM_NEW_ARRAY( ptr, count ) ) + +#define FT_QRENEW_ARRAY( ptr, curcnt, newcnt ) \ + FT_MEM_SET_ERROR( FT_MEM_RENEW_ARRAY( ptr, curcnt, newcnt ) ) + + + FT_BASE( FT_Pointer ) + ft_mem_strdup( FT_Memory memory, + const char* str, + FT_Error *p_error ); + + FT_BASE( FT_Pointer ) + ft_mem_dup( FT_Memory memory, + const void* address, + FT_ULong size, + FT_Error *p_error ); + + +#define FT_MEM_STRDUP( dst, str ) \ + (dst) = (char*)ft_mem_strdup( memory, (const char*)(str), &error ) + +#define FT_STRDUP( dst, str ) \ + FT_MEM_SET_ERROR( FT_MEM_STRDUP( dst, str ) ) + +#define FT_MEM_DUP( dst, address, size ) \ + (dst) = ft_mem_dup( memory, (address), (FT_ULong)(size), &error ) + +#define FT_DUP( dst, address, size ) \ + FT_MEM_SET_ERROR( FT_MEM_DUP( dst, address, size ) ) + + + /* Return >= 1 if a truncation occurs. */ + /* Return 0 if the source string fits the buffer. */ + /* This is *not* the same as strlcpy(). */ + FT_BASE( FT_Int ) + ft_mem_strcpyn( char* dst, + const char* src, + FT_ULong size ); + +#define FT_STRCPYN( dst, src, size ) \ + ft_mem_strcpyn( (char*)dst, (const char*)(src), (FT_ULong)(size) ) + + /* */ + + +FT_END_HEADER + +#endif /* FTMEMORY_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftobjs.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftobjs.h new file mode 100644 index 00000000000..37c6baffe6f --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftobjs.h @@ -0,0 +1,1625 @@ +/***************************************************************************/ +/* */ +/* ftobjs.h */ +/* */ +/* The FreeType private base classes (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file contains the definition of all internal FreeType classes. */ + /* */ + /*************************************************************************/ + + +#ifndef FTOBJS_H_ +#define FTOBJS_H_ + +#include <ft2build.h> +#include FT_RENDER_H +#include FT_SIZES_H +#include FT_LCD_FILTER_H +#include FT_INTERNAL_MEMORY_H +#include FT_INTERNAL_GLYPH_LOADER_H +#include FT_INTERNAL_DRIVER_H +#include FT_INTERNAL_AUTOHINT_H +#include FT_INTERNAL_SERVICE_H +#include FT_INTERNAL_PIC_H +#include FT_INTERNAL_CALC_H + +#ifdef FT_CONFIG_OPTION_INCREMENTAL +#include FT_INCREMENTAL_H +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* Some generic definitions. */ + /* */ +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +#ifndef NULL +#define NULL (void*)0 +#endif + + + /*************************************************************************/ + /* */ + /* The min and max functions missing in C. As usual, be careful not to */ + /* write things like FT_MIN( a++, b++ ) to avoid side effects. */ + /* */ +#define FT_MIN( a, b ) ( (a) < (b) ? (a) : (b) ) +#define FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) ) + +#define FT_ABS( a ) ( (a) < 0 ? -(a) : (a) ) + + /* + * Approximate sqrt(x*x+y*y) using the `alpha max plus beta min' + * algorithm. We use alpha = 1, beta = 3/8, giving us results with a + * largest error less than 7% compared to the exact value. + */ +#define FT_HYPOT( x, y ) \ + ( x = FT_ABS( x ), \ + y = FT_ABS( y ), \ + x > y ? x + ( 3 * y >> 3 ) \ + : y + ( 3 * x >> 3 ) ) + + /* we use FT_TYPEOF to suppress signedness compilation warnings */ +#define FT_PAD_FLOOR( x, n ) ( (x) & ~FT_TYPEOF( x )( (n) - 1 ) ) +#define FT_PAD_ROUND( x, n ) FT_PAD_FLOOR( (x) + (n) / 2, n ) +#define FT_PAD_CEIL( x, n ) FT_PAD_FLOOR( (x) + (n) - 1, n ) + +#define FT_PIX_FLOOR( x ) ( (x) & ~FT_TYPEOF( x )63 ) +#define FT_PIX_ROUND( x ) FT_PIX_FLOOR( (x) + 32 ) +#define FT_PIX_CEIL( x ) FT_PIX_FLOOR( (x) + 63 ) + + /* specialized versions (for signed values) */ + /* that don't produce run-time errors due to integer overflow */ +#define FT_PAD_ROUND_LONG( x, n ) FT_PAD_FLOOR( ADD_LONG( (x), (n) / 2 ), \ + n ) +#define FT_PAD_CEIL_LONG( x, n ) FT_PAD_FLOOR( ADD_LONG( (x), (n) - 1 ), \ + n ) +#define FT_PIX_ROUND_LONG( x ) FT_PIX_FLOOR( ADD_LONG( (x), 32 ) ) +#define FT_PIX_CEIL_LONG( x ) FT_PIX_FLOOR( ADD_LONG( (x), 63 ) ) + +#define FT_PAD_ROUND_INT32( x, n ) FT_PAD_FLOOR( ADD_INT32( (x), (n) / 2 ), \ + n ) +#define FT_PAD_CEIL_INT32( x, n ) FT_PAD_FLOOR( ADD_INT32( (x), (n) - 1 ), \ + n ) +#define FT_PIX_ROUND_INT32( x ) FT_PIX_FLOOR( ADD_INT32( (x), 32 ) ) +#define FT_PIX_CEIL_INT32( x ) FT_PIX_FLOOR( ADD_INT32( (x), 63 ) ) + + + /* + * character classification functions -- since these are used to parse + * font files, we must not use those in <ctypes.h> which are + * locale-dependent + */ +#define ft_isdigit( x ) ( ( (unsigned)(x) - '0' ) < 10U ) + +#define ft_isxdigit( x ) ( ( (unsigned)(x) - '0' ) < 10U || \ + ( (unsigned)(x) - 'a' ) < 6U || \ + ( (unsigned)(x) - 'A' ) < 6U ) + + /* the next two macros assume ASCII representation */ +#define ft_isupper( x ) ( ( (unsigned)(x) - 'A' ) < 26U ) +#define ft_islower( x ) ( ( (unsigned)(x) - 'a' ) < 26U ) + +#define ft_isalpha( x ) ( ft_isupper( x ) || ft_islower( x ) ) +#define ft_isalnum( x ) ( ft_isdigit( x ) || ft_isalpha( x ) ) + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** C H A R M A P S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + /* handle to internal charmap object */ + typedef struct FT_CMapRec_* FT_CMap; + + /* handle to charmap class structure */ + typedef const struct FT_CMap_ClassRec_* FT_CMap_Class; + + /* internal charmap object structure */ + typedef struct FT_CMapRec_ + { + FT_CharMapRec charmap; + FT_CMap_Class clazz; + + } FT_CMapRec; + + /* typecase any pointer to a charmap handle */ +#define FT_CMAP( x ) ( (FT_CMap)( x ) ) + + /* obvious macros */ +#define FT_CMAP_PLATFORM_ID( x ) FT_CMAP( x )->charmap.platform_id +#define FT_CMAP_ENCODING_ID( x ) FT_CMAP( x )->charmap.encoding_id +#define FT_CMAP_ENCODING( x ) FT_CMAP( x )->charmap.encoding +#define FT_CMAP_FACE( x ) FT_CMAP( x )->charmap.face + + + /* class method definitions */ + typedef FT_Error + (*FT_CMap_InitFunc)( FT_CMap cmap, + FT_Pointer init_data ); + + typedef void + (*FT_CMap_DoneFunc)( FT_CMap cmap ); + + typedef FT_UInt + (*FT_CMap_CharIndexFunc)( FT_CMap cmap, + FT_UInt32 char_code ); + + typedef FT_UInt + (*FT_CMap_CharNextFunc)( FT_CMap cmap, + FT_UInt32 *achar_code ); + + typedef FT_UInt + (*FT_CMap_CharVarIndexFunc)( FT_CMap cmap, + FT_CMap unicode_cmap, + FT_UInt32 char_code, + FT_UInt32 variant_selector ); + + typedef FT_Bool + (*FT_CMap_CharVarIsDefaultFunc)( FT_CMap cmap, + FT_UInt32 char_code, + FT_UInt32 variant_selector ); + + typedef FT_UInt32 * + (*FT_CMap_VariantListFunc)( FT_CMap cmap, + FT_Memory mem ); + + typedef FT_UInt32 * + (*FT_CMap_CharVariantListFunc)( FT_CMap cmap, + FT_Memory mem, + FT_UInt32 char_code ); + + typedef FT_UInt32 * + (*FT_CMap_VariantCharListFunc)( FT_CMap cmap, + FT_Memory mem, + FT_UInt32 variant_selector ); + + + typedef struct FT_CMap_ClassRec_ + { + FT_ULong size; + + FT_CMap_InitFunc init; + FT_CMap_DoneFunc done; + FT_CMap_CharIndexFunc char_index; + FT_CMap_CharNextFunc char_next; + + /* Subsequent entries are special ones for format 14 -- the variant */ + /* selector subtable which behaves like no other */ + + FT_CMap_CharVarIndexFunc char_var_index; + FT_CMap_CharVarIsDefaultFunc char_var_default; + FT_CMap_VariantListFunc variant_list; + FT_CMap_CharVariantListFunc charvariant_list; + FT_CMap_VariantCharListFunc variantchar_list; + + } FT_CMap_ClassRec; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DECLARE_CMAP_CLASS( class_ ) \ + FT_CALLBACK_TABLE const FT_CMap_ClassRec class_; + +#define FT_DEFINE_CMAP_CLASS( \ + class_, \ + size_, \ + init_, \ + done_, \ + char_index_, \ + char_next_, \ + char_var_index_, \ + char_var_default_, \ + variant_list_, \ + charvariant_list_, \ + variantchar_list_ ) \ + FT_CALLBACK_TABLE_DEF \ + const FT_CMap_ClassRec class_ = \ + { \ + size_, \ + init_, \ + done_, \ + char_index_, \ + char_next_, \ + char_var_index_, \ + char_var_default_, \ + variant_list_, \ + charvariant_list_, \ + variantchar_list_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DECLARE_CMAP_CLASS( class_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + FT_CMap_ClassRec* clazz ); + +#define FT_DEFINE_CMAP_CLASS( \ + class_, \ + size_, \ + init_, \ + done_, \ + char_index_, \ + char_next_, \ + char_var_index_, \ + char_var_default_, \ + variant_list_, \ + charvariant_list_, \ + variantchar_list_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + FT_CMap_ClassRec* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->size = size_; \ + clazz->init = init_; \ + clazz->done = done_; \ + clazz->char_index = char_index_; \ + clazz->char_next = char_next_; \ + clazz->char_var_index = char_var_index_; \ + clazz->char_var_default = char_var_default_; \ + clazz->variant_list = variant_list_; \ + clazz->charvariant_list = charvariant_list_; \ + clazz->variantchar_list = variantchar_list_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + + /* create a new charmap and add it to charmap->face */ + FT_BASE( FT_Error ) + FT_CMap_New( FT_CMap_Class clazz, + FT_Pointer init_data, + FT_CharMap charmap, + FT_CMap *acmap ); + + /* destroy a charmap and remove it from face's list */ + FT_BASE( void ) + FT_CMap_Done( FT_CMap cmap ); + + + /* adds LCD padding to Min and Max boundaries */ + FT_BASE( void ) + ft_lcd_padding( FT_Pos* Min, + FT_Pos* Max, + FT_GlyphSlot slot ); + +#ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING + + typedef void (*FT_Bitmap_LcdFilterFunc)( FT_Bitmap* bitmap, + FT_Render_Mode render_mode, + FT_Byte* weights ); + + + /* This is the default LCD filter, an in-place, 5-tap FIR filter. */ + FT_BASE( void ) + ft_lcd_filter_fir( FT_Bitmap* bitmap, + FT_Render_Mode mode, + FT_LcdFiveTapFilter weights ); + +#endif /* FT_CONFIG_OPTION_SUBPIXEL_RENDERING */ + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Face_InternalRec */ + /* */ + /* <Description> */ + /* This structure contains the internal fields of each FT_Face */ + /* object. These fields may change between different releases of */ + /* FreeType. */ + /* */ + /* <Fields> */ + /* max_points :: */ + /* The maximum number of points used to store the vectorial outline */ + /* of any glyph in this face. If this value cannot be known in */ + /* advance, or if the face isn't scalable, this should be set to 0. */ + /* Only relevant for scalable formats. */ + /* */ + /* max_contours :: */ + /* The maximum number of contours used to store the vectorial */ + /* outline of any glyph in this face. If this value cannot be */ + /* known in advance, or if the face isn't scalable, this should be */ + /* set to 0. Only relevant for scalable formats. */ + /* */ + /* transform_matrix :: */ + /* A 2x2 matrix of 16.16 coefficients used to transform glyph */ + /* outlines after they are loaded from the font. Only used by the */ + /* convenience functions. */ + /* */ + /* transform_delta :: */ + /* A translation vector used to transform glyph outlines after they */ + /* are loaded from the font. Only used by the convenience */ + /* functions. */ + /* */ + /* transform_flags :: */ + /* Some flags used to classify the transform. Only used by the */ + /* convenience functions. */ + /* */ + /* services :: */ + /* A cache for frequently used services. It should be only */ + /* accessed with the macro `FT_FACE_LOOKUP_SERVICE'. */ + /* */ + /* incremental_interface :: */ + /* If non-null, the interface through which glyph data and metrics */ + /* are loaded incrementally for faces that do not provide all of */ + /* this data when first opened. This field exists only if */ + /* @FT_CONFIG_OPTION_INCREMENTAL is defined. */ + /* */ + /* no_stem_darkening :: */ + /* Overrides the module-level default, see @stem-darkening[cff], */ + /* for example. FALSE and TRUE toggle stem darkening on and off, */ + /* respectively, value~-1 means to use the module/driver default. */ + /* */ + /* random_seed :: */ + /* If positive, override the seed value for the CFF `random' */ + /* operator. Value~0 means to use the font's value. Value~-1 */ + /* means to use the CFF driver's default. */ + /* */ + /* lcd_weights :: */ + /* lcd_filter_func :: */ + /* If subpixel rendering is activated, the LCD filtering weights */ + /* and callback function. */ + /* */ + /* refcount :: */ + /* A counter initialized to~1 at the time an @FT_Face structure is */ + /* created. @FT_Reference_Face increments this counter, and */ + /* @FT_Done_Face only destroys a face if the counter is~1, */ + /* otherwise it simply decrements it. */ + /* */ + typedef struct FT_Face_InternalRec_ + { + FT_Matrix transform_matrix; + FT_Vector transform_delta; + FT_Int transform_flags; + + FT_ServiceCacheRec services; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + FT_Incremental_InterfaceRec* incremental_interface; +#endif + + FT_Char no_stem_darkening; + FT_Int32 random_seed; + +#ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING + FT_LcdFiveTapFilter lcd_weights; /* filter weights, if any */ + FT_Bitmap_LcdFilterFunc lcd_filter_func; /* filtering callback */ +#endif + + FT_Int refcount; + + } FT_Face_InternalRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Slot_InternalRec */ + /* */ + /* <Description> */ + /* This structure contains the internal fields of each FT_GlyphSlot */ + /* object. These fields may change between different releases of */ + /* FreeType. */ + /* */ + /* <Fields> */ + /* loader :: The glyph loader object used to load outlines */ + /* into the glyph slot. */ + /* */ + /* flags :: Possible values are zero or */ + /* FT_GLYPH_OWN_BITMAP. The latter indicates */ + /* that the FT_GlyphSlot structure owns the */ + /* bitmap buffer. */ + /* */ + /* glyph_transformed :: Boolean. Set to TRUE when the loaded glyph */ + /* must be transformed through a specific */ + /* font transformation. This is _not_ the same */ + /* as the face transform set through */ + /* FT_Set_Transform(). */ + /* */ + /* glyph_matrix :: The 2x2 matrix corresponding to the glyph */ + /* transformation, if necessary. */ + /* */ + /* glyph_delta :: The 2d translation vector corresponding to */ + /* the glyph transformation, if necessary. */ + /* */ + /* glyph_hints :: Format-specific glyph hints management. */ + /* */ + +#define FT_GLYPH_OWN_BITMAP 0x1U + + typedef struct FT_Slot_InternalRec_ + { + FT_GlyphLoader loader; + FT_UInt flags; + FT_Bool glyph_transformed; + FT_Matrix glyph_matrix; + FT_Vector glyph_delta; + void* glyph_hints; + + } FT_GlyphSlot_InternalRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_Size_InternalRec */ + /* */ + /* <Description> */ + /* This structure contains the internal fields of each FT_Size */ + /* object. */ + /* */ + /* <Fields> */ + /* module_data :: Data specific to a driver module. */ + /* */ + /* autohint_mode :: The used auto-hinting mode. */ + /* */ + /* autohint_metrics :: Metrics used by the auto-hinter. */ + /* */ + /*************************************************************************/ + + typedef struct FT_Size_InternalRec_ + { + void* module_data; + + FT_Render_Mode autohint_mode; + FT_Size_Metrics autohint_metrics; + + } FT_Size_InternalRec; + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** M O D U L E S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_ModuleRec */ + /* */ + /* <Description> */ + /* A module object instance. */ + /* */ + /* <Fields> */ + /* clazz :: A pointer to the module's class. */ + /* */ + /* library :: A handle to the parent library object. */ + /* */ + /* memory :: A handle to the memory manager. */ + /* */ + typedef struct FT_ModuleRec_ + { + FT_Module_Class* clazz; + FT_Library library; + FT_Memory memory; + + } FT_ModuleRec; + + + /* typecast an object to an FT_Module */ +#define FT_MODULE( x ) ( (FT_Module)(x) ) + +#define FT_MODULE_CLASS( x ) FT_MODULE( x )->clazz +#define FT_MODULE_LIBRARY( x ) FT_MODULE( x )->library +#define FT_MODULE_MEMORY( x ) FT_MODULE( x )->memory + + +#define FT_MODULE_IS_DRIVER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ + FT_MODULE_FONT_DRIVER ) + +#define FT_MODULE_IS_RENDERER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ + FT_MODULE_RENDERER ) + +#define FT_MODULE_IS_HINTER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ + FT_MODULE_HINTER ) + +#define FT_MODULE_IS_STYLER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ + FT_MODULE_STYLER ) + +#define FT_DRIVER_IS_SCALABLE( x ) ( FT_MODULE_CLASS( x )->module_flags & \ + FT_MODULE_DRIVER_SCALABLE ) + +#define FT_DRIVER_USES_OUTLINES( x ) !( FT_MODULE_CLASS( x )->module_flags & \ + FT_MODULE_DRIVER_NO_OUTLINES ) + +#define FT_DRIVER_HAS_HINTER( x ) ( FT_MODULE_CLASS( x )->module_flags & \ + FT_MODULE_DRIVER_HAS_HINTER ) + +#define FT_DRIVER_HINTS_LIGHTLY( x ) ( FT_MODULE_CLASS( x )->module_flags & \ + FT_MODULE_DRIVER_HINTS_LIGHTLY ) + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Module_Interface */ + /* */ + /* <Description> */ + /* Finds a module and returns its specific interface as a typeless */ + /* pointer. */ + /* */ + /* <Input> */ + /* library :: A handle to the library object. */ + /* */ + /* module_name :: The module's name (as an ASCII string). */ + /* */ + /* <Return> */ + /* A module-specific interface if available, 0 otherwise. */ + /* */ + /* <Note> */ + /* You should better be familiar with FreeType internals to know */ + /* which module to look for, and what its interface is :-) */ + /* */ + FT_BASE( const void* ) + FT_Get_Module_Interface( FT_Library library, + const char* mod_name ); + + FT_BASE( FT_Pointer ) + ft_module_get_service( FT_Module module, + const char* service_id, + FT_Bool global ); + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + FT_BASE( FT_Error ) + ft_property_string_set( FT_Library library, + const FT_String* module_name, + const FT_String* property_name, + FT_String* value ); +#endif + + /* */ + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** F A C E, S I Z E & G L Y P H S L O T O B J E C T S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + /* a few macros used to perform easy typecasts with minimal brain damage */ + +#define FT_FACE( x ) ( (FT_Face)(x) ) +#define FT_SIZE( x ) ( (FT_Size)(x) ) +#define FT_SLOT( x ) ( (FT_GlyphSlot)(x) ) + +#define FT_FACE_DRIVER( x ) FT_FACE( x )->driver +#define FT_FACE_LIBRARY( x ) FT_FACE_DRIVER( x )->root.library +#define FT_FACE_MEMORY( x ) FT_FACE( x )->memory +#define FT_FACE_STREAM( x ) FT_FACE( x )->stream + +#define FT_SIZE_FACE( x ) FT_SIZE( x )->face +#define FT_SLOT_FACE( x ) FT_SLOT( x )->face + +#define FT_FACE_SLOT( x ) FT_FACE( x )->glyph +#define FT_FACE_SIZE( x ) FT_FACE( x )->size + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_GlyphSlot */ + /* */ + /* <Description> */ + /* It is sometimes useful to have more than one glyph slot for a */ + /* given face object. This function is used to create additional */ + /* slots. All of them are automatically discarded when the face is */ + /* destroyed. */ + /* */ + /* <Input> */ + /* face :: A handle to a parent face object. */ + /* */ + /* <Output> */ + /* aslot :: A handle to a new glyph slot object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_BASE( FT_Error ) + FT_New_GlyphSlot( FT_Face face, + FT_GlyphSlot *aslot ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Done_GlyphSlot */ + /* */ + /* <Description> */ + /* Destroys a given glyph slot. Remember however that all slots are */ + /* automatically destroyed with its parent. Using this function is */ + /* not always mandatory. */ + /* */ + /* <Input> */ + /* slot :: A handle to a target glyph slot. */ + /* */ + FT_BASE( void ) + FT_Done_GlyphSlot( FT_GlyphSlot slot ); + + /* */ + +#define FT_REQUEST_WIDTH( req ) \ + ( (req)->horiResolution \ + ? ( (req)->width * (FT_Pos)(req)->horiResolution + 36 ) / 72 \ + : (req)->width ) + +#define FT_REQUEST_HEIGHT( req ) \ + ( (req)->vertResolution \ + ? ( (req)->height * (FT_Pos)(req)->vertResolution + 36 ) / 72 \ + : (req)->height ) + + + /* Set the metrics according to a bitmap strike. */ + FT_BASE( void ) + FT_Select_Metrics( FT_Face face, + FT_ULong strike_index ); + + + /* Set the metrics according to a size request. */ + FT_BASE( void ) + FT_Request_Metrics( FT_Face face, + FT_Size_Request req ); + + + /* Match a size request against `available_sizes'. */ + FT_BASE( FT_Error ) + FT_Match_Size( FT_Face face, + FT_Size_Request req, + FT_Bool ignore_width, + FT_ULong* size_index ); + + + /* Use the horizontal metrics to synthesize the vertical metrics. */ + /* If `advance' is zero, it is also synthesized. */ + FT_BASE( void ) + ft_synthesize_vertical_metrics( FT_Glyph_Metrics* metrics, + FT_Pos advance ); + + + /* Free the bitmap of a given glyphslot when needed (i.e., only when it */ + /* was allocated with ft_glyphslot_alloc_bitmap). */ + FT_BASE( void ) + ft_glyphslot_free_bitmap( FT_GlyphSlot slot ); + + + /* Preset bitmap metrics of an outline glyphslot prior to rendering. */ + FT_BASE( void ) + ft_glyphslot_preset_bitmap( FT_GlyphSlot slot, + FT_Render_Mode mode, + const FT_Vector* origin ); + + /* Allocate a new bitmap buffer in a glyph slot. */ + FT_BASE( FT_Error ) + ft_glyphslot_alloc_bitmap( FT_GlyphSlot slot, + FT_ULong size ); + + + /* Set the bitmap buffer in a glyph slot to a given pointer. The buffer */ + /* will not be freed by a later call to ft_glyphslot_free_bitmap. */ + FT_BASE( void ) + ft_glyphslot_set_bitmap( FT_GlyphSlot slot, + FT_Byte* buffer ); + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** R E N D E R E R S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + +#define FT_RENDERER( x ) ( (FT_Renderer)(x) ) +#define FT_GLYPH( x ) ( (FT_Glyph)(x) ) +#define FT_BITMAP_GLYPH( x ) ( (FT_BitmapGlyph)(x) ) +#define FT_OUTLINE_GLYPH( x ) ( (FT_OutlineGlyph)(x) ) + + + typedef struct FT_RendererRec_ + { + FT_ModuleRec root; + FT_Renderer_Class* clazz; + FT_Glyph_Format glyph_format; + FT_Glyph_Class glyph_class; + + FT_Raster raster; + FT_Raster_Render_Func raster_render; + FT_Renderer_RenderFunc render; + + } FT_RendererRec; + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** F O N T D R I V E R S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /* typecast a module into a driver easily */ +#define FT_DRIVER( x ) ( (FT_Driver)(x) ) + + /* typecast a module as a driver, and get its driver class */ +#define FT_DRIVER_CLASS( x ) FT_DRIVER( x )->clazz + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_DriverRec */ + /* */ + /* <Description> */ + /* The root font driver class. A font driver is responsible for */ + /* managing and loading font files of a given format. */ + /* */ + /* <Fields> */ + /* root :: Contains the fields of the root module class. */ + /* */ + /* clazz :: A pointer to the font driver's class. Note that */ + /* this is NOT root.clazz. `class' wasn't used */ + /* as it is a reserved word in C++. */ + /* */ + /* faces_list :: The list of faces currently opened by this */ + /* driver. */ + /* */ + /* glyph_loader :: Unused. Used to be glyph loader for all faces */ + /* managed by this driver. */ + /* */ + typedef struct FT_DriverRec_ + { + FT_ModuleRec root; + FT_Driver_Class clazz; + FT_ListRec faces_list; + FT_GlyphLoader glyph_loader; + + } FT_DriverRec; + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** L I B R A R I E S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /* This hook is used by the TrueType debugger. It must be set to an */ + /* alternate truetype bytecode interpreter function. */ +#define FT_DEBUG_HOOK_TRUETYPE 0 + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* FT_LibraryRec */ + /* */ + /* <Description> */ + /* The FreeType library class. This is the root of all FreeType */ + /* data. Use FT_New_Library() to create a library object, and */ + /* FT_Done_Library() to discard it and all child objects. */ + /* */ + /* <Fields> */ + /* memory :: The library's memory object. Manages memory */ + /* allocation. */ + /* */ + /* version_major :: The major version number of the library. */ + /* */ + /* version_minor :: The minor version number of the library. */ + /* */ + /* version_patch :: The current patch level of the library. */ + /* */ + /* num_modules :: The number of modules currently registered */ + /* within this library. This is set to 0 for new */ + /* libraries. New modules are added through the */ + /* FT_Add_Module() API function. */ + /* */ + /* modules :: A table used to store handles to the currently */ + /* registered modules. Note that each font driver */ + /* contains a list of its opened faces. */ + /* */ + /* renderers :: The list of renderers currently registered */ + /* within the library. */ + /* */ + /* cur_renderer :: The current outline renderer. This is a */ + /* shortcut used to avoid parsing the list on */ + /* each call to FT_Outline_Render(). It is a */ + /* handle to the current renderer for the */ + /* FT_GLYPH_FORMAT_OUTLINE format. */ + /* */ + /* auto_hinter :: The auto-hinter module interface. */ + /* */ + /* debug_hooks :: An array of four function pointers that allow */ + /* debuggers to hook into a font format's */ + /* interpreter. Currently, only the TrueType */ + /* bytecode debugger uses this. */ + /* */ + /* lcd_weights :: If subpixel rendering is activated, the LCD */ + /* filter weights, if any. */ + /* */ + /* lcd_filter_func :: If subpixel rendering is activated, the LCD */ + /* filtering callback function. */ + /* */ + /* pic_container :: Contains global structs and tables, instead */ + /* of defining them globally. */ + /* */ + /* refcount :: A counter initialized to~1 at the time an */ + /* @FT_Library structure is created. */ + /* @FT_Reference_Library increments this counter, */ + /* and @FT_Done_Library only destroys a library */ + /* if the counter is~1, otherwise it simply */ + /* decrements it. */ + /* */ + typedef struct FT_LibraryRec_ + { + FT_Memory memory; /* library's memory manager */ + + FT_Int version_major; + FT_Int version_minor; + FT_Int version_patch; + + FT_UInt num_modules; + FT_Module modules[FT_MAX_MODULES]; /* module objects */ + + FT_ListRec renderers; /* list of renderers */ + FT_Renderer cur_renderer; /* current outline renderer */ + FT_Module auto_hinter; + + FT_DebugHook_Func debug_hooks[4]; + +#ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING + FT_LcdFiveTapFilter lcd_weights; /* filter weights, if any */ + FT_Bitmap_LcdFilterFunc lcd_filter_func; /* filtering callback */ +#endif + +#ifdef FT_CONFIG_OPTION_PIC + FT_PIC_Container pic_container; +#endif + + FT_Int refcount; + + } FT_LibraryRec; + + + FT_BASE( FT_Renderer ) + FT_Lookup_Renderer( FT_Library library, + FT_Glyph_Format format, + FT_ListNode* node ); + + FT_BASE( FT_Error ) + FT_Render_Glyph_Internal( FT_Library library, + FT_GlyphSlot slot, + FT_Render_Mode render_mode ); + + typedef const char* + (*FT_Face_GetPostscriptNameFunc)( FT_Face face ); + + typedef FT_Error + (*FT_Face_GetGlyphNameFunc)( FT_Face face, + FT_UInt glyph_index, + FT_Pointer buffer, + FT_UInt buffer_max ); + + typedef FT_UInt + (*FT_Face_GetGlyphNameIndexFunc)( FT_Face face, + FT_String* glyph_name ); + + +#ifndef FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Memory */ + /* */ + /* <Description> */ + /* Creates a new memory object. */ + /* */ + /* <Return> */ + /* A pointer to the new memory object. 0 in case of error. */ + /* */ + FT_BASE( FT_Memory ) + FT_New_Memory( void ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Done_Memory */ + /* */ + /* <Description> */ + /* Discards memory manager. */ + /* */ + /* <Input> */ + /* memory :: A handle to the memory manager. */ + /* */ + FT_BASE( void ) + FT_Done_Memory( FT_Memory memory ); + +#endif /* !FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM */ + + + /* Define default raster's interface. The default raster is located in */ + /* `src/base/ftraster.c'. */ + /* */ + /* Client applications can register new rasters through the */ + /* FT_Set_Raster() API. */ + +#ifndef FT_NO_DEFAULT_RASTER + FT_EXPORT_VAR( FT_Raster_Funcs ) ft_default_raster; +#endif + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** P I C S U P P O R T ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /* PIC support macros for ftimage.h */ + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_DEFINE_OUTLINE_FUNCS */ + /* */ + /* <Description> */ + /* Used to initialize an instance of FT_Outline_Funcs struct. */ + /* When FT_CONFIG_OPTION_PIC is defined an init function will need */ + /* to be called with a pre-allocated structure to be filled. */ + /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */ + /* allocated in the global scope (or the scope where the macro */ + /* is used). */ + /* */ +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_OUTLINE_FUNCS( \ + class_, \ + move_to_, \ + line_to_, \ + conic_to_, \ + cubic_to_, \ + shift_, \ + delta_ ) \ + static const FT_Outline_Funcs class_ = \ + { \ + move_to_, \ + line_to_, \ + conic_to_, \ + cubic_to_, \ + shift_, \ + delta_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_OUTLINE_FUNCS( \ + class_, \ + move_to_, \ + line_to_, \ + conic_to_, \ + cubic_to_, \ + shift_, \ + delta_ ) \ + static FT_Error \ + Init_Class_ ## class_( FT_Outline_Funcs* clazz ) \ + { \ + clazz->move_to = move_to_; \ + clazz->line_to = line_to_; \ + clazz->conic_to = conic_to_; \ + clazz->cubic_to = cubic_to_; \ + clazz->shift = shift_; \ + clazz->delta = delta_; \ + \ + return FT_Err_Ok; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_DEFINE_RASTER_FUNCS */ + /* */ + /* <Description> */ + /* Used to initialize an instance of FT_Raster_Funcs struct. */ + /* When FT_CONFIG_OPTION_PIC is defined an init function will need */ + /* to be called with a pre-allocated structure to be filled. */ + /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */ + /* allocated in the global scope (or the scope where the macro */ + /* is used). */ + /* */ +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_RASTER_FUNCS( \ + class_, \ + glyph_format_, \ + raster_new_, \ + raster_reset_, \ + raster_set_mode_, \ + raster_render_, \ + raster_done_ ) \ + const FT_Raster_Funcs class_ = \ + { \ + glyph_format_, \ + raster_new_, \ + raster_reset_, \ + raster_set_mode_, \ + raster_render_, \ + raster_done_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_RASTER_FUNCS( \ + class_, \ + glyph_format_, \ + raster_new_, \ + raster_reset_, \ + raster_set_mode_, \ + raster_render_, \ + raster_done_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Raster_Funcs* clazz ) \ + { \ + clazz->glyph_format = glyph_format_; \ + clazz->raster_new = raster_new_; \ + clazz->raster_reset = raster_reset_; \ + clazz->raster_set_mode = raster_set_mode_; \ + clazz->raster_render = raster_render_; \ + clazz->raster_done = raster_done_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + + /* PIC support macros for ftrender.h */ + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_DEFINE_GLYPH */ + /* */ + /* <Description> */ + /* Used to initialize an instance of FT_Glyph_Class struct. */ + /* When FT_CONFIG_OPTION_PIC is defined an init function will need */ + /* to be called with a pre-allocated structure to be filled. */ + /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */ + /* allocated in the global scope (or the scope where the macro */ + /* is used). */ + /* */ +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_GLYPH( \ + class_, \ + size_, \ + format_, \ + init_, \ + done_, \ + copy_, \ + transform_, \ + bbox_, \ + prepare_ ) \ + FT_CALLBACK_TABLE_DEF \ + const FT_Glyph_Class class_ = \ + { \ + size_, \ + format_, \ + init_, \ + done_, \ + copy_, \ + transform_, \ + bbox_, \ + prepare_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_GLYPH( \ + class_, \ + size_, \ + format_, \ + init_, \ + done_, \ + copy_, \ + transform_, \ + bbox_, \ + prepare_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Glyph_Class* clazz ) \ + { \ + clazz->glyph_size = size_; \ + clazz->glyph_format = format_; \ + clazz->glyph_init = init_; \ + clazz->glyph_done = done_; \ + clazz->glyph_copy = copy_; \ + clazz->glyph_transform = transform_; \ + clazz->glyph_bbox = bbox_; \ + clazz->glyph_prepare = prepare_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_DECLARE_RENDERER */ + /* */ + /* <Description> */ + /* Used to create a forward declaration of a */ + /* FT_Renderer_Class struct instance. */ + /* */ + /* <Macro> */ + /* FT_DEFINE_RENDERER */ + /* */ + /* <Description> */ + /* Used to initialize an instance of FT_Renderer_Class struct. */ + /* */ + /* When FT_CONFIG_OPTION_PIC is defined a `create' function will */ + /* need to be called with a pointer where the allocated structure is */ + /* returned. And when it is no longer needed a `destroy' function */ + /* needs to be called to release that allocation. */ + /* `ftinit.c' (ft_create_default_module_classes) already contains */ + /* a mechanism to call these functions for the default modules */ + /* described in `ftmodule.h'. */ + /* */ + /* Notice that the created `create' and `destroy' functions call */ + /* `pic_init' and `pic_free' to allow you to manually allocate and */ + /* initialize any additional global data, like a module specific */ + /* interface, and put them in the global pic container defined in */ + /* `ftpic.h'. If you don't need them just implement the functions as */ + /* empty to resolve the link error. Also the `pic_init' and */ + /* `pic_free' functions should be declared in `pic.h', to be referred */ + /* by the renderer definition calling `FT_DEFINE_RENDERER' in the */ + /* following. */ + /* */ + /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */ + /* allocated in the global scope (or the scope where the macro */ + /* is used). */ + /* */ +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DECLARE_RENDERER( class_ ) \ + FT_EXPORT_VAR( const FT_Renderer_Class ) class_; + +#define FT_DEFINE_RENDERER( \ + class_, \ + flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_, \ + glyph_format_, \ + render_glyph_, \ + transform_glyph_, \ + get_glyph_cbox_, \ + set_mode_, \ + raster_class_ ) \ + FT_CALLBACK_TABLE_DEF \ + const FT_Renderer_Class class_ = \ + { \ + FT_DEFINE_ROOT_MODULE( flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_ ) \ + glyph_format_, \ + \ + render_glyph_, \ + transform_glyph_, \ + get_glyph_cbox_, \ + set_mode_, \ + \ + raster_class_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DECLARE_RENDERER( class_ ) FT_DECLARE_MODULE( class_ ) + +#define FT_DEFINE_RENDERER( \ + class_, \ + flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_, \ + glyph_format_, \ + render_glyph_, \ + transform_glyph_, \ + get_glyph_cbox_, \ + set_mode_, \ + raster_class_ ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_Module_Class* clazz ) \ + { \ + FT_Renderer_Class* rclazz = (FT_Renderer_Class*)clazz; \ + FT_Memory memory = library->memory; \ + \ + \ + class_ ## _pic_free( library ); \ + if ( rclazz ) \ + FT_FREE( rclazz ); \ + } \ + \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_Module_Class** output_class ) \ + { \ + FT_Renderer_Class* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) ) ) \ + return error; \ + \ + error = class_ ## _pic_init( library ); \ + if ( error ) \ + { \ + FT_FREE( clazz ); \ + return error; \ + } \ + \ + FT_DEFINE_ROOT_MODULE( flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_ ) \ + \ + clazz->glyph_format = glyph_format_; \ + \ + clazz->render_glyph = render_glyph_; \ + clazz->transform_glyph = transform_glyph_; \ + clazz->get_glyph_cbox = get_glyph_cbox_; \ + clazz->set_mode = set_mode_; \ + \ + clazz->raster_class = raster_class_; \ + \ + *output_class = (FT_Module_Class*)clazz; \ + \ + return FT_Err_Ok; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + + /* PIC support macros for ftmodapi.h **/ + + +#ifdef FT_CONFIG_OPTION_PIC + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Module_Creator */ + /* */ + /* <Description> */ + /* A function used to create (allocate) a new module class object. */ + /* The object's members are initialized, but the module itself is */ + /* not. */ + /* */ + /* <Input> */ + /* memory :: A handle to the memory manager. */ + /* output_class :: Initialized with the newly allocated class. */ + /* */ + typedef FT_Error + (*FT_Module_Creator)( FT_Memory memory, + FT_Module_Class** output_class ); + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* FT_Module_Destroyer */ + /* */ + /* <Description> */ + /* A function used to destroy (deallocate) a module class object. */ + /* */ + /* <Input> */ + /* memory :: A handle to the memory manager. */ + /* clazz :: Module class to destroy. */ + /* */ + typedef void + (*FT_Module_Destroyer)( FT_Memory memory, + FT_Module_Class* clazz ); + +#endif + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_DECLARE_MODULE */ + /* */ + /* <Description> */ + /* Used to create a forward declaration of a */ + /* FT_Module_Class struct instance. */ + /* */ + /* <Macro> */ + /* FT_DEFINE_MODULE */ + /* */ + /* <Description> */ + /* Used to initialize an instance of an FT_Module_Class struct. */ + /* */ + /* When FT_CONFIG_OPTION_PIC is defined a `create' function needs */ + /* to be called with a pointer where the allocated structure is */ + /* returned. And when it is no longer needed a `destroy' function */ + /* needs to be called to release that allocation. */ + /* `ftinit.c' (ft_create_default_module_classes) already contains */ + /* a mechanism to call these functions for the default modules */ + /* described in `ftmodule.h'. */ + /* */ + /* Notice that the created `create' and `destroy' functions call */ + /* `pic_init' and `pic_free' to allow you to manually allocate and */ + /* initialize any additional global data, like a module specific */ + /* interface, and put them in the global pic container defined in */ + /* `ftpic.h'. If you don't need them just implement the functions as */ + /* empty to resolve the link error. Also the `pic_init' and */ + /* `pic_free' functions should be declared in `pic.h', to be referred */ + /* by the module definition calling `FT_DEFINE_MODULE' in the */ + /* following. */ + /* */ + /* When FT_CONFIG_OPTION_PIC is not defined the struct will be */ + /* allocated in the global scope (or the scope where the macro */ + /* is used). */ + /* */ + /* <Macro> */ + /* FT_DEFINE_ROOT_MODULE */ + /* */ + /* <Description> */ + /* Used to initialize an instance of an FT_Module_Class struct inside */ + /* another struct that contains it or in a function that initializes */ + /* that containing struct. */ + /* */ +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DECLARE_MODULE( class_ ) \ + FT_CALLBACK_TABLE \ + const FT_Module_Class class_; + +#define FT_DEFINE_ROOT_MODULE( \ + flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_ ) \ + { \ + flags_, \ + size_, \ + \ + name_, \ + version_, \ + requires_, \ + \ + interface_, \ + \ + init_, \ + done_, \ + get_interface_, \ + }, + +#define FT_DEFINE_MODULE( \ + class_, \ + flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_ ) \ + FT_CALLBACK_TABLE_DEF \ + const FT_Module_Class class_ = \ + { \ + flags_, \ + size_, \ + \ + name_, \ + version_, \ + requires_, \ + \ + interface_, \ + \ + init_, \ + done_, \ + get_interface_, \ + }; + + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DECLARE_MODULE( class_ ) \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_Module_Class** output_class ); \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_Module_Class* clazz ); + +#define FT_DEFINE_ROOT_MODULE( \ + flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_ ) \ + clazz->root.module_flags = flags_; \ + clazz->root.module_size = size_; \ + clazz->root.module_name = name_; \ + clazz->root.module_version = version_; \ + clazz->root.module_requires = requires_; \ + \ + clazz->root.module_interface = interface_; \ + \ + clazz->root.module_init = init_; \ + clazz->root.module_done = done_; \ + clazz->root.get_interface = get_interface_; + +#define FT_DEFINE_MODULE( \ + class_, \ + flags_, \ + size_, \ + name_, \ + version_, \ + requires_, \ + interface_, \ + init_, \ + done_, \ + get_interface_ ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_Module_Class* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + class_ ## _pic_free( library ); \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_Module_Class** output_class ) \ + { \ + FT_Memory memory = library->memory; \ + FT_Module_Class* clazz = NULL; \ + FT_Error error; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) ) ) \ + return error; \ + error = class_ ## _pic_init( library ); \ + if ( error ) \ + { \ + FT_FREE( clazz ); \ + return error; \ + } \ + \ + clazz->module_flags = flags_; \ + clazz->module_size = size_; \ + clazz->module_name = name_; \ + clazz->module_version = version_; \ + clazz->module_requires = requires_; \ + \ + clazz->module_interface = interface_; \ + \ + clazz->module_init = init_; \ + clazz->module_done = done_; \ + clazz->get_interface = get_interface_; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +FT_END_HEADER + +#endif /* FTOBJS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftpic.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftpic.h new file mode 100644 index 00000000000..5214f059891 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftpic.h @@ -0,0 +1,71 @@ +/***************************************************************************/ +/* */ +/* ftpic.h */ +/* */ +/* The FreeType position independent code services (declaration). */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* Modules that ordinarily have const global data that need address */ + /* can instead define pointers here. */ + /* */ + /*************************************************************************/ + + +#ifndef FTPIC_H_ +#define FTPIC_H_ + + +FT_BEGIN_HEADER + +#ifdef FT_CONFIG_OPTION_PIC + + typedef struct FT_PIC_Container_ + { + /* pic containers for base */ + void* base; + + /* pic containers for modules */ + void* autofit; + void* cff; + void* pshinter; + void* psnames; + void* raster; + void* sfnt; + void* smooth; + void* truetype; + + } FT_PIC_Container; + + + /* Initialize the various function tables, structs, etc. */ + /* stored in the container. */ + FT_BASE( FT_Error ) + ft_pic_container_init( FT_Library library ); + + + /* Destroy the contents of the container. */ + FT_BASE( void ) + ft_pic_container_destroy( FT_Library library ); + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +FT_END_HEADER + +#endif /* FTPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftpsprop.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftpsprop.h new file mode 100644 index 00000000000..abbb62862b3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftpsprop.h @@ -0,0 +1,48 @@ +/***************************************************************************/ +/* */ +/* ftpsprop.h */ +/* */ +/* Get and set properties of PostScript drivers (specification). */ +/* */ +/* Copyright 2017-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTPSPROP_H_ +#define FTPSPROP_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + + +FT_BEGIN_HEADER + + + FT_BASE_CALLBACK( FT_Error ) + ps_property_set( FT_Module module, /* PS_Driver */ + const char* property_name, + const void* value, + FT_Bool value_is_string ); + + FT_BASE_CALLBACK( FT_Error ) + ps_property_get( FT_Module module, /* PS_Driver */ + const char* property_name, + void* value ); + + +FT_END_HEADER + + +#endif /* FTPSPROP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftrfork.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftrfork.h new file mode 100644 index 00000000000..1aca48a0e7b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftrfork.h @@ -0,0 +1,267 @@ +/***************************************************************************/ +/* */ +/* ftrfork.h */ +/* */ +/* Embedded resource forks accessor (specification). */ +/* */ +/* Copyright 2004-2018 by */ +/* Masatake YAMATO and Redhat K.K. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +/***************************************************************************/ +/* Development of the code in this file is support of */ +/* Information-technology Promotion Agency, Japan. */ +/***************************************************************************/ + + +#ifndef FTRFORK_H_ +#define FTRFORK_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H + + +FT_BEGIN_HEADER + + + /* Number of guessing rules supported in `FT_Raccess_Guess'. */ + /* Don't forget to increment the number if you add a new guessing rule. */ +#define FT_RACCESS_N_RULES 9 + + + /* A structure to describe a reference in a resource by its resource ID */ + /* and internal offset. The `POST' resource expects to be concatenated */ + /* by the order of resource IDs instead of its appearance in the file. */ + + typedef struct FT_RFork_Ref_ + { + FT_Short res_id; + FT_Long offset; + + } FT_RFork_Ref; + + +#ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK + typedef FT_Error + (*ft_raccess_guess_func)( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + typedef enum FT_RFork_Rule_ { + FT_RFork_Rule_invalid = -2, + FT_RFork_Rule_uknown, /* -1 */ + FT_RFork_Rule_apple_double, + FT_RFork_Rule_apple_single, + FT_RFork_Rule_darwin_ufs_export, + FT_RFork_Rule_darwin_newvfs, + FT_RFork_Rule_darwin_hfsplus, + FT_RFork_Rule_vfat, + FT_RFork_Rule_linux_cap, + FT_RFork_Rule_linux_double, + FT_RFork_Rule_linux_netatalk + } FT_RFork_Rule; + + /* For fast translation between rule index and rule type, + * the macros FT_RFORK_xxx should be kept consistent with + * the raccess_guess_funcs table + */ + typedef struct ft_raccess_guess_rec_ { + ft_raccess_guess_func func; + FT_RFork_Rule type; + } ft_raccess_guess_rec; + +#ifndef FT_CONFIG_OPTION_PIC + + /* this array is a storage in non-PIC mode, so ; is needed in END */ +#define CONST_FT_RFORK_RULE_ARRAY_BEGIN( name, type ) \ + static const type name[] = { +#define CONST_FT_RFORK_RULE_ARRAY_ENTRY( func_suffix, type_suffix ) \ + { raccess_guess_ ## func_suffix, \ + FT_RFork_Rule_ ## type_suffix }, +#define CONST_FT_RFORK_RULE_ARRAY_END }; + +#else /* FT_CONFIG_OPTION_PIC */ + + /* this array is a function in PIC mode, so no ; is needed in END */ +#define CONST_FT_RFORK_RULE_ARRAY_BEGIN( name, type ) \ + void \ + FT_Init_Table_ ## name( type* storage ) \ + { \ + type* local = storage; \ + \ + \ + int i = 0; +#define CONST_FT_RFORK_RULE_ARRAY_ENTRY( func_suffix, type_suffix ) \ + local[i].func = raccess_guess_ ## func_suffix; \ + local[i].type = FT_RFork_Rule_ ## type_suffix; \ + i++; +#define CONST_FT_RFORK_RULE_ARRAY_END } + +#endif /* FT_CONFIG_OPTION_PIC */ + +#endif /* FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK */ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Raccess_Guess */ + /* */ + /* <Description> */ + /* Guess a file name and offset where the actual resource fork is */ + /* stored. The macro FT_RACCESS_N_RULES holds the number of */ + /* guessing rules; the guessed result for the Nth rule is */ + /* represented as a triplet: a new file name (new_names[N]), a file */ + /* offset (offsets[N]), and an error code (errors[N]). */ + /* */ + /* <Input> */ + /* library :: */ + /* A FreeType library instance. */ + /* */ + /* stream :: */ + /* A file stream containing the resource fork. */ + /* */ + /* base_name :: */ + /* The (base) file name of the resource fork used for some */ + /* guessing rules. */ + /* */ + /* <Output> */ + /* new_names :: */ + /* An array of guessed file names in which the resource forks may */ + /* exist. If `new_names[N]' is NULL, the guessed file name is */ + /* equal to `base_name'. */ + /* */ + /* offsets :: */ + /* An array of guessed file offsets. `offsets[N]' holds the file */ + /* offset of the possible start of the resource fork in file */ + /* `new_names[N]'. */ + /* */ + /* errors :: */ + /* An array of FreeType error codes. `errors[N]' is the error */ + /* code of Nth guessing rule function. If `errors[N]' is not */ + /* FT_Err_Ok, `new_names[N]' and `offsets[N]' are meaningless. */ + /* */ + FT_BASE( void ) + FT_Raccess_Guess( FT_Library library, + FT_Stream stream, + char* base_name, + char** new_names, + FT_Long* offsets, + FT_Error* errors ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Raccess_Get_HeaderInfo */ + /* */ + /* <Description> */ + /* Get the information from the header of resource fork. The */ + /* information includes the file offset where the resource map */ + /* starts, and the file offset where the resource data starts. */ + /* `FT_Raccess_Get_DataOffsets' requires these two data. */ + /* */ + /* <Input> */ + /* library :: */ + /* A FreeType library instance. */ + /* */ + /* stream :: */ + /* A file stream containing the resource fork. */ + /* */ + /* rfork_offset :: */ + /* The file offset where the resource fork starts. */ + /* */ + /* <Output> */ + /* map_offset :: */ + /* The file offset where the resource map starts. */ + /* */ + /* rdata_pos :: */ + /* The file offset where the resource data starts. */ + /* */ + /* <Return> */ + /* FreeType error code. FT_Err_Ok means success. */ + /* */ + FT_BASE( FT_Error ) + FT_Raccess_Get_HeaderInfo( FT_Library library, + FT_Stream stream, + FT_Long rfork_offset, + FT_Long *map_offset, + FT_Long *rdata_pos ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Raccess_Get_DataOffsets */ + /* */ + /* <Description> */ + /* Get the data offsets for a tag in a resource fork. Offsets are */ + /* stored in an array because, in some cases, resources in a resource */ + /* fork have the same tag. */ + /* */ + /* <Input> */ + /* library :: */ + /* A FreeType library instance. */ + /* */ + /* stream :: */ + /* A file stream containing the resource fork. */ + /* */ + /* map_offset :: */ + /* The file offset where the resource map starts. */ + /* */ + /* rdata_pos :: */ + /* The file offset where the resource data starts. */ + /* */ + /* tag :: */ + /* The resource tag. */ + /* */ + /* sort_by_res_id :: */ + /* A Boolean to sort the fragmented resource by their ids. */ + /* The fragmented resources for `POST' resource should be sorted */ + /* to restore Type1 font properly. For `sfnt' resources, sorting */ + /* may induce a different order of the faces in comparison to that */ + /* by QuickDraw API. */ + /* */ + /* <Output> */ + /* offsets :: */ + /* The stream offsets for the resource data specified by `tag'. */ + /* This array is allocated by the function, so you have to call */ + /* @ft_mem_free after use. */ + /* */ + /* count :: */ + /* The length of offsets array. */ + /* */ + /* <Return> */ + /* FreeType error code. FT_Err_Ok means success. */ + /* */ + /* <Note> */ + /* Normally you should use `FT_Raccess_Get_HeaderInfo' to get the */ + /* value for `map_offset' and `rdata_pos'. */ + /* */ + FT_BASE( FT_Error ) + FT_Raccess_Get_DataOffsets( FT_Library library, + FT_Stream stream, + FT_Long map_offset, + FT_Long rdata_pos, + FT_Long tag, + FT_Bool sort_by_res_id, + FT_Long **offsets, + FT_Long *count ); + + +FT_END_HEADER + +#endif /* FTRFORK_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftserv.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftserv.h new file mode 100644 index 00000000000..e01c1679b51 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftserv.h @@ -0,0 +1,1016 @@ +/***************************************************************************/ +/* */ +/* ftserv.h */ +/* */ +/* The FreeType services (specification only). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* Each module can export one or more `services'. Each service is */ + /* identified by a constant string and modeled by a pointer; the latter */ + /* generally corresponds to a structure containing function pointers. */ + /* */ + /* Note that a service's data cannot be a mere function pointer because */ + /* in C it is possible that function pointers might be implemented */ + /* differently than data pointers (e.g. 48 bits instead of 32). */ + /* */ + /*************************************************************************/ + + +#ifndef FTSERV_H_ +#define FTSERV_H_ + + +FT_BEGIN_HEADER + + /* + * @macro: + * FT_FACE_FIND_SERVICE + * + * @description: + * This macro is used to look up a service from a face's driver module. + * + * @input: + * face :: + * The source face handle. + * + * id :: + * A string describing the service as defined in the service's + * header files (e.g. FT_SERVICE_ID_MULTI_MASTERS which expands to + * `multi-masters'). It is automatically prefixed with + * `FT_SERVICE_ID_'. + * + * @output: + * ptr :: + * A variable that receives the service pointer. Will be NULL + * if not found. + */ +#ifdef __cplusplus + +#define FT_FACE_FIND_SERVICE( face, ptr, id ) \ + FT_BEGIN_STMNT \ + FT_Module module = FT_MODULE( FT_FACE( face )->driver ); \ + FT_Pointer _tmp_ = NULL; \ + FT_Pointer* _pptr_ = (FT_Pointer*)&(ptr); \ + \ + \ + if ( module->clazz->get_interface ) \ + _tmp_ = module->clazz->get_interface( module, FT_SERVICE_ID_ ## id ); \ + *_pptr_ = _tmp_; \ + FT_END_STMNT + +#else /* !C++ */ + +#define FT_FACE_FIND_SERVICE( face, ptr, id ) \ + FT_BEGIN_STMNT \ + FT_Module module = FT_MODULE( FT_FACE( face )->driver ); \ + FT_Pointer _tmp_ = NULL; \ + \ + if ( module->clazz->get_interface ) \ + _tmp_ = module->clazz->get_interface( module, FT_SERVICE_ID_ ## id ); \ + ptr = _tmp_; \ + FT_END_STMNT + +#endif /* !C++ */ + + + /* + * @macro: + * FT_FACE_FIND_GLOBAL_SERVICE + * + * @description: + * This macro is used to look up a service from all modules. + * + * @input: + * face :: + * The source face handle. + * + * id :: + * A string describing the service as defined in the service's + * header files (e.g. FT_SERVICE_ID_MULTI_MASTERS which expands to + * `multi-masters'). It is automatically prefixed with + * `FT_SERVICE_ID_'. + * + * @output: + * ptr :: + * A variable that receives the service pointer. Will be NULL + * if not found. + */ +#ifdef __cplusplus + +#define FT_FACE_FIND_GLOBAL_SERVICE( face, ptr, id ) \ + FT_BEGIN_STMNT \ + FT_Module module = FT_MODULE( FT_FACE( face )->driver ); \ + FT_Pointer _tmp_; \ + FT_Pointer* _pptr_ = (FT_Pointer*)&(ptr); \ + \ + \ + _tmp_ = ft_module_get_service( module, FT_SERVICE_ID_ ## id, 1 ); \ + *_pptr_ = _tmp_; \ + FT_END_STMNT + +#else /* !C++ */ + +#define FT_FACE_FIND_GLOBAL_SERVICE( face, ptr, id ) \ + FT_BEGIN_STMNT \ + FT_Module module = FT_MODULE( FT_FACE( face )->driver ); \ + FT_Pointer _tmp_; \ + \ + \ + _tmp_ = ft_module_get_service( module, FT_SERVICE_ID_ ## id, 1 ); \ + ptr = _tmp_; \ + FT_END_STMNT + +#endif /* !C++ */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** S E R V I C E D E S C R I P T O R S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* + * The following structure is used to _describe_ a given service + * to the library. This is useful to build simple static service lists. + */ + typedef struct FT_ServiceDescRec_ + { + const char* serv_id; /* service name */ + const void* serv_data; /* service pointer/data */ + + } FT_ServiceDescRec; + + typedef const FT_ServiceDescRec* FT_ServiceDesc; + + + /*************************************************************************/ + /* */ + /* <Macro> */ + /* FT_DEFINE_SERVICEDESCREC1 */ + /* FT_DEFINE_SERVICEDESCREC2 */ + /* FT_DEFINE_SERVICEDESCREC3 */ + /* FT_DEFINE_SERVICEDESCREC4 */ + /* FT_DEFINE_SERVICEDESCREC5 */ + /* FT_DEFINE_SERVICEDESCREC6 */ + /* FT_DEFINE_SERVICEDESCREC7 */ + /* FT_DEFINE_SERVICEDESCREC8 */ + /* */ + /* <Description> */ + /* Used to initialize an array of FT_ServiceDescRec structures. */ + /* */ + /* When FT_CONFIG_OPTION_PIC is defined a `create' function needs to */ + /* be called with a pointer to return an allocated array. As soon as */ + /* it is no longer needed, a `destroy' function needs to be called to */ + /* release that allocation. */ + /* */ + /* These functions should be manually called from the `pic_init' and */ + /* `pic_free' functions of your module (see FT_DEFINE_MODULE). */ + /* */ + /* When FT_CONFIG_OPTION_PIC is not defined the array will be */ + /* allocated in the global scope (or the scope where the macro is */ + /* used). */ + /* */ +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICEDESCREC1( class_, \ + serv_id_1, serv_data_1 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { NULL, NULL } \ + }; + +#define FT_DEFINE_SERVICEDESCREC2( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { serv_id_2, serv_data_2 }, \ + { NULL, NULL } \ + }; + +#define FT_DEFINE_SERVICEDESCREC3( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { serv_id_2, serv_data_2 }, \ + { serv_id_3, serv_data_3 }, \ + { NULL, NULL } \ + }; + +#define FT_DEFINE_SERVICEDESCREC4( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { serv_id_2, serv_data_2 }, \ + { serv_id_3, serv_data_3 }, \ + { serv_id_4, serv_data_4 }, \ + { NULL, NULL } \ + }; + +#define FT_DEFINE_SERVICEDESCREC5( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { serv_id_2, serv_data_2 }, \ + { serv_id_3, serv_data_3 }, \ + { serv_id_4, serv_data_4 }, \ + { serv_id_5, serv_data_5 }, \ + { NULL, NULL } \ + }; + +#define FT_DEFINE_SERVICEDESCREC6( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { serv_id_2, serv_data_2 }, \ + { serv_id_3, serv_data_3 }, \ + { serv_id_4, serv_data_4 }, \ + { serv_id_5, serv_data_5 }, \ + { serv_id_6, serv_data_6 }, \ + { NULL, NULL } \ + }; + +#define FT_DEFINE_SERVICEDESCREC7( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6, \ + serv_id_7, serv_data_7 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { serv_id_2, serv_data_2 }, \ + { serv_id_3, serv_data_3 }, \ + { serv_id_4, serv_data_4 }, \ + { serv_id_5, serv_data_5 }, \ + { serv_id_6, serv_data_6 }, \ + { serv_id_7, serv_data_7 }, \ + { NULL, NULL } \ + }; + +#define FT_DEFINE_SERVICEDESCREC8( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6, \ + serv_id_7, serv_data_7, \ + serv_id_8, serv_data_8 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { serv_id_2, serv_data_2 }, \ + { serv_id_3, serv_data_3 }, \ + { serv_id_4, serv_data_4 }, \ + { serv_id_5, serv_data_5 }, \ + { serv_id_6, serv_data_6 }, \ + { serv_id_7, serv_data_7 }, \ + { serv_id_8, serv_data_8 }, \ + { NULL, NULL } \ + }; + +#define FT_DEFINE_SERVICEDESCREC9( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6, \ + serv_id_7, serv_data_7, \ + serv_id_8, serv_data_8, \ + serv_id_9, serv_data_9 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { serv_id_2, serv_data_2 }, \ + { serv_id_3, serv_data_3 }, \ + { serv_id_4, serv_data_4 }, \ + { serv_id_5, serv_data_5 }, \ + { serv_id_6, serv_data_6 }, \ + { serv_id_7, serv_data_7 }, \ + { serv_id_8, serv_data_8 }, \ + { serv_id_9, serv_data_9 }, \ + { NULL, NULL } \ + }; + +#define FT_DEFINE_SERVICEDESCREC10( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6, \ + serv_id_7, serv_data_7, \ + serv_id_8, serv_data_8, \ + serv_id_9, serv_data_9, \ + serv_id_10, serv_data_10 ) \ + static const FT_ServiceDescRec class_[] = \ + { \ + { serv_id_1, serv_data_1 }, \ + { serv_id_2, serv_data_2 }, \ + { serv_id_3, serv_data_3 }, \ + { serv_id_4, serv_data_4 }, \ + { serv_id_5, serv_data_5 }, \ + { serv_id_6, serv_data_6 }, \ + { serv_id_7, serv_data_7 }, \ + { serv_id_8, serv_data_8 }, \ + { serv_id_9, serv_data_9 }, \ + { serv_id_10, serv_data_10 }, \ + { NULL, NULL } \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICEDESCREC1( class_, \ + serv_id_1, serv_data_1 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 2 ) ) \ + return error; \ + \ + clazz[0].serv_id = serv_id_1; \ + clazz[0].serv_data = serv_data_1; \ + clazz[1].serv_id = NULL; \ + clazz[1].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#define FT_DEFINE_SERVICEDESCREC2( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 3 ) ) \ + return error; \ + \ + clazz[0].serv_id = serv_id_1; \ + clazz[0].serv_data = serv_data_1; \ + clazz[1].serv_id = serv_id_2; \ + clazz[1].serv_data = serv_data_2; \ + clazz[2].serv_id = NULL; \ + clazz[2].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#define FT_DEFINE_SERVICEDESCREC3( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 4 ) ) \ + return error; \ + \ + clazz[0].serv_id = serv_id_1; \ + clazz[0].serv_data = serv_data_1; \ + clazz[1].serv_id = serv_id_2; \ + clazz[1].serv_data = serv_data_2; \ + clazz[2].serv_id = serv_id_3; \ + clazz[2].serv_data = serv_data_3; \ + clazz[3].serv_id = NULL; \ + clazz[3].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#define FT_DEFINE_SERVICEDESCREC4( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 5 ) ) \ + return error; \ + \ + clazz[0].serv_id = serv_id_1; \ + clazz[0].serv_data = serv_data_1; \ + clazz[1].serv_id = serv_id_2; \ + clazz[1].serv_data = serv_data_2; \ + clazz[2].serv_id = serv_id_3; \ + clazz[2].serv_data = serv_data_3; \ + clazz[3].serv_id = serv_id_4; \ + clazz[3].serv_data = serv_data_4; \ + clazz[4].serv_id = NULL; \ + clazz[4].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#define FT_DEFINE_SERVICEDESCREC5( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 6 ) ) \ + return error; \ + \ + clazz[0].serv_id = serv_id_1; \ + clazz[0].serv_data = serv_data_1; \ + clazz[1].serv_id = serv_id_2; \ + clazz[1].serv_data = serv_data_2; \ + clazz[2].serv_id = serv_id_3; \ + clazz[2].serv_data = serv_data_3; \ + clazz[3].serv_id = serv_id_4; \ + clazz[3].serv_data = serv_data_4; \ + clazz[4].serv_id = serv_id_5; \ + clazz[4].serv_data = serv_data_5; \ + clazz[5].serv_id = NULL; \ + clazz[5].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#define FT_DEFINE_SERVICEDESCREC6( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 7 ) ) \ + return error; \ + \ + clazz[0].serv_id = serv_id_1; \ + clazz[0].serv_data = serv_data_1; \ + clazz[1].serv_id = serv_id_2; \ + clazz[1].serv_data = serv_data_2; \ + clazz[2].serv_id = serv_id_3; \ + clazz[2].serv_data = serv_data_3; \ + clazz[3].serv_id = serv_id_4; \ + clazz[3].serv_data = serv_data_4; \ + clazz[4].serv_id = serv_id_5; \ + clazz[4].serv_data = serv_data_5; \ + clazz[5].serv_id = serv_id_6; \ + clazz[5].serv_data = serv_data_6; \ + clazz[6].serv_id = NULL; \ + clazz[6].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#define FT_DEFINE_SERVICEDESCREC7( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6, \ + serv_id_7, serv_data_7 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 8 ) ) \ + return error; \ + \ + clazz[0].serv_id = serv_id_1; \ + clazz[0].serv_data = serv_data_1; \ + clazz[1].serv_id = serv_id_2; \ + clazz[1].serv_data = serv_data_2; \ + clazz[2].serv_id = serv_id_3; \ + clazz[2].serv_data = serv_data_3; \ + clazz[3].serv_id = serv_id_4; \ + clazz[3].serv_data = serv_data_4; \ + clazz[4].serv_id = serv_id_5; \ + clazz[4].serv_data = serv_data_5; \ + clazz[5].serv_id = serv_id_6; \ + clazz[5].serv_data = serv_data_6; \ + clazz[6].serv_id = serv_id_7; \ + clazz[6].serv_data = serv_data_7; \ + clazz[7].serv_id = NULL; \ + clazz[7].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#define FT_DEFINE_SERVICEDESCREC8( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6, \ + serv_id_7, serv_data_7, \ + serv_id_8, serv_data_8 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 9 ) ) \ + return error; \ + \ + clazz[0].serv_id = serv_id_1; \ + clazz[0].serv_data = serv_data_1; \ + clazz[1].serv_id = serv_id_2; \ + clazz[1].serv_data = serv_data_2; \ + clazz[2].serv_id = serv_id_3; \ + clazz[2].serv_data = serv_data_3; \ + clazz[3].serv_id = serv_id_4; \ + clazz[3].serv_data = serv_data_4; \ + clazz[4].serv_id = serv_id_5; \ + clazz[4].serv_data = serv_data_5; \ + clazz[5].serv_id = serv_id_6; \ + clazz[5].serv_data = serv_data_6; \ + clazz[6].serv_id = serv_id_7; \ + clazz[6].serv_data = serv_data_7; \ + clazz[7].serv_id = serv_id_8; \ + clazz[7].serv_data = serv_data_8; \ + clazz[8].serv_id = NULL; \ + clazz[8].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#define FT_DEFINE_SERVICEDESCREC9( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6, \ + serv_id_7, serv_data_7, \ + serv_id_8, serv_data_8, \ + serv_id_9, serv_data_9 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 10 ) ) \ + return error; \ + \ + clazz[0].serv_id = serv_id_1; \ + clazz[0].serv_data = serv_data_1; \ + clazz[1].serv_id = serv_id_2; \ + clazz[1].serv_data = serv_data_2; \ + clazz[2].serv_id = serv_id_3; \ + clazz[2].serv_data = serv_data_3; \ + clazz[3].serv_id = serv_id_4; \ + clazz[3].serv_data = serv_data_4; \ + clazz[4].serv_id = serv_id_5; \ + clazz[4].serv_data = serv_data_5; \ + clazz[5].serv_id = serv_id_6; \ + clazz[5].serv_data = serv_data_6; \ + clazz[6].serv_id = serv_id_7; \ + clazz[6].serv_data = serv_data_7; \ + clazz[7].serv_id = serv_id_8; \ + clazz[7].serv_data = serv_data_8; \ + clazz[8].serv_id = serv_id_9; \ + clazz[8].serv_data = serv_data_9; \ + clazz[9].serv_id = NULL; \ + clazz[9].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#define FT_DEFINE_SERVICEDESCREC10( class_, \ + serv_id_1, serv_data_1, \ + serv_id_2, serv_data_2, \ + serv_id_3, serv_data_3, \ + serv_id_4, serv_data_4, \ + serv_id_5, serv_data_5, \ + serv_id_6, serv_data_6, \ + serv_id_7, serv_data_7, \ + serv_id_8, serv_data_8, \ + serv_id_9, serv_data_9, \ + serv_id_10, serv_data_10 ) \ + void \ + FT_Destroy_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec* clazz ) \ + { \ + FT_Memory memory = library->memory; \ + \ + \ + if ( clazz ) \ + FT_FREE( clazz ); \ + } \ + \ + FT_Error \ + FT_Create_Class_ ## class_( FT_Library library, \ + FT_ServiceDescRec** output_class ) \ + { \ + FT_ServiceDescRec* clazz = NULL; \ + FT_Error error; \ + FT_Memory memory = library->memory; \ + \ + \ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 11 ) ) \ + return error; \ + \ + clazz[ 0].serv_id = serv_id_1; \ + clazz[ 0].serv_data = serv_data_1; \ + clazz[ 1].serv_id = serv_id_2; \ + clazz[ 1].serv_data = serv_data_2; \ + clazz[ 2].serv_id = serv_id_3; \ + clazz[ 2].serv_data = serv_data_3; \ + clazz[ 3].serv_id = serv_id_4; \ + clazz[ 3].serv_data = serv_data_4; \ + clazz[ 4].serv_id = serv_id_5; \ + clazz[ 4].serv_data = serv_data_5; \ + clazz[ 5].serv_id = serv_id_6; \ + clazz[ 5].serv_data = serv_data_6; \ + clazz[ 6].serv_id = serv_id_7; \ + clazz[ 6].serv_data = serv_data_7; \ + clazz[ 7].serv_id = serv_id_8; \ + clazz[ 7].serv_data = serv_data_8; \ + clazz[ 8].serv_id = serv_id_9; \ + clazz[ 8].serv_data = serv_data_9; \ + clazz[ 9].serv_id = serv_id_10; \ + clazz[ 9].serv_data = serv_data_10; \ + clazz[10].serv_id = NULL; \ + clazz[10].serv_data = NULL; \ + \ + *output_class = clazz; \ + \ + return FT_Err_Ok; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + + /* + * Parse a list of FT_ServiceDescRec descriptors and look for + * a specific service by ID. Note that the last element in the + * array must be { NULL, NULL }, and that the function should + * return NULL if the service isn't available. + * + * This function can be used by modules to implement their + * `get_service' method. + */ + FT_BASE( FT_Pointer ) + ft_service_list_lookup( FT_ServiceDesc service_descriptors, + const char* service_id ); + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** S E R V I C E S C A C H E *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* + * This structure is used to store a cache for several frequently used + * services. It is the type of `face->internal->services'. You + * should only use FT_FACE_LOOKUP_SERVICE to access it. + * + * All fields should have the type FT_Pointer to relax compilation + * dependencies. We assume the developer isn't completely stupid. + * + * Each field must be named `service_XXXX' where `XXX' corresponds to + * the correct FT_SERVICE_ID_XXXX macro. See the definition of + * FT_FACE_LOOKUP_SERVICE below how this is implemented. + * + */ + typedef struct FT_ServiceCacheRec_ + { + FT_Pointer service_POSTSCRIPT_FONT_NAME; + FT_Pointer service_MULTI_MASTERS; + FT_Pointer service_METRICS_VARIATIONS; + FT_Pointer service_GLYPH_DICT; + FT_Pointer service_PFR_METRICS; + FT_Pointer service_WINFNT; + + } FT_ServiceCacheRec, *FT_ServiceCache; + + + /* + * A magic number used within the services cache. + */ + + /* ensure that value `1' has the same width as a pointer */ +#define FT_SERVICE_UNAVAILABLE ((FT_Pointer)~(FT_PtrDist)1) + + + /* + * @macro: + * FT_FACE_LOOKUP_SERVICE + * + * @description: + * This macro is used to look up a service from a face's driver module + * using its cache. + * + * @input: + * face:: + * The source face handle containing the cache. + * + * field :: + * The field name in the cache. + * + * id :: + * The service ID. + * + * @output: + * ptr :: + * A variable receiving the service data. NULL if not available. + */ +#ifdef __cplusplus + +#define FT_FACE_LOOKUP_SERVICE( face, ptr, id ) \ + FT_BEGIN_STMNT \ + FT_Pointer svc; \ + FT_Pointer* Pptr = (FT_Pointer*)&(ptr); \ + \ + \ + svc = FT_FACE( face )->internal->services. service_ ## id; \ + if ( svc == FT_SERVICE_UNAVAILABLE ) \ + svc = NULL; \ + else if ( svc == NULL ) \ + { \ + FT_FACE_FIND_SERVICE( face, svc, id ); \ + \ + FT_FACE( face )->internal->services. service_ ## id = \ + (FT_Pointer)( svc != NULL ? svc \ + : FT_SERVICE_UNAVAILABLE ); \ + } \ + *Pptr = svc; \ + FT_END_STMNT + +#else /* !C++ */ + +#define FT_FACE_LOOKUP_SERVICE( face, ptr, id ) \ + FT_BEGIN_STMNT \ + FT_Pointer svc; \ + \ + \ + svc = FT_FACE( face )->internal->services. service_ ## id; \ + if ( svc == FT_SERVICE_UNAVAILABLE ) \ + svc = NULL; \ + else if ( svc == NULL ) \ + { \ + FT_FACE_FIND_SERVICE( face, svc, id ); \ + \ + FT_FACE( face )->internal->services. service_ ## id = \ + (FT_Pointer)( svc != NULL ? svc \ + : FT_SERVICE_UNAVAILABLE ); \ + } \ + ptr = svc; \ + FT_END_STMNT + +#endif /* !C++ */ + + /* + * A macro used to define new service structure types. + */ + +#define FT_DEFINE_SERVICE( name ) \ + typedef struct FT_Service_ ## name ## Rec_ \ + FT_Service_ ## name ## Rec ; \ + typedef struct FT_Service_ ## name ## Rec_ \ + const * FT_Service_ ## name ; \ + struct FT_Service_ ## name ## Rec_ + + /* */ + + /* + * The header files containing the services. + */ + +#define FT_SERVICE_BDF_H <freetype/internal/services/svbdf.h> +#define FT_SERVICE_CFF_TABLE_LOAD_H <freetype/internal/services/svcfftl.h> +#define FT_SERVICE_CID_H <freetype/internal/services/svcid.h> +#define FT_SERVICE_FONT_FORMAT_H <freetype/internal/services/svfntfmt.h> +#define FT_SERVICE_GLYPH_DICT_H <freetype/internal/services/svgldict.h> +#define FT_SERVICE_GX_VALIDATE_H <freetype/internal/services/svgxval.h> +#define FT_SERVICE_KERNING_H <freetype/internal/services/svkern.h> +#define FT_SERVICE_METRICS_VARIATIONS_H <freetype/internal/services/svmetric.h> +#define FT_SERVICE_MULTIPLE_MASTERS_H <freetype/internal/services/svmm.h> +#define FT_SERVICE_OPENTYPE_VALIDATE_H <freetype/internal/services/svotval.h> +#define FT_SERVICE_PFR_H <freetype/internal/services/svpfr.h> +#define FT_SERVICE_POSTSCRIPT_CMAPS_H <freetype/internal/services/svpscmap.h> +#define FT_SERVICE_POSTSCRIPT_INFO_H <freetype/internal/services/svpsinfo.h> +#define FT_SERVICE_POSTSCRIPT_NAME_H <freetype/internal/services/svpostnm.h> +#define FT_SERVICE_PROPERTIES_H <freetype/internal/services/svprop.h> +#define FT_SERVICE_SFNT_H <freetype/internal/services/svsfnt.h> +#define FT_SERVICE_TRUETYPE_ENGINE_H <freetype/internal/services/svtteng.h> +#define FT_SERVICE_TRUETYPE_GLYF_H <freetype/internal/services/svttglyf.h> +#define FT_SERVICE_TT_CMAP_H <freetype/internal/services/svttcmap.h> +#define FT_SERVICE_WINFNT_H <freetype/internal/services/svwinfnt.h> + + /* */ + +FT_END_HEADER + +#endif /* FTSERV_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftstream.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftstream.h new file mode 100644 index 00000000000..f90002fe774 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftstream.h @@ -0,0 +1,536 @@ +/***************************************************************************/ +/* */ +/* ftstream.h */ +/* */ +/* Stream handling (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTSTREAM_H_ +#define FTSTREAM_H_ + + +#include <ft2build.h> +#include FT_SYSTEM_H +#include FT_INTERNAL_OBJECTS_H + + +FT_BEGIN_HEADER + + + /* format of an 8-bit frame_op value: */ + /* */ + /* bit 76543210 */ + /* xxxxxxes */ + /* */ + /* s is set to 1 if the value is signed. */ + /* e is set to 1 if the value is little-endian. */ + /* xxx is a command. */ + +#define FT_FRAME_OP_SHIFT 2 +#define FT_FRAME_OP_SIGNED 1 +#define FT_FRAME_OP_LITTLE 2 +#define FT_FRAME_OP_COMMAND( x ) ( x >> FT_FRAME_OP_SHIFT ) + +#define FT_MAKE_FRAME_OP( command, little, sign ) \ + ( ( command << FT_FRAME_OP_SHIFT ) | ( little << 1 ) | sign ) + +#define FT_FRAME_OP_END 0 +#define FT_FRAME_OP_START 1 /* start a new frame */ +#define FT_FRAME_OP_BYTE 2 /* read 1-byte value */ +#define FT_FRAME_OP_SHORT 3 /* read 2-byte value */ +#define FT_FRAME_OP_LONG 4 /* read 4-byte value */ +#define FT_FRAME_OP_OFF3 5 /* read 3-byte value */ +#define FT_FRAME_OP_BYTES 6 /* read a bytes sequence */ + + + typedef enum FT_Frame_Op_ + { + ft_frame_end = 0, + ft_frame_start = FT_MAKE_FRAME_OP( FT_FRAME_OP_START, 0, 0 ), + + ft_frame_byte = FT_MAKE_FRAME_OP( FT_FRAME_OP_BYTE, 0, 0 ), + ft_frame_schar = FT_MAKE_FRAME_OP( FT_FRAME_OP_BYTE, 0, 1 ), + + ft_frame_ushort_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_SHORT, 0, 0 ), + ft_frame_short_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_SHORT, 0, 1 ), + ft_frame_ushort_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_SHORT, 1, 0 ), + ft_frame_short_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_SHORT, 1, 1 ), + + ft_frame_ulong_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_LONG, 0, 0 ), + ft_frame_long_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_LONG, 0, 1 ), + ft_frame_ulong_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_LONG, 1, 0 ), + ft_frame_long_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_LONG, 1, 1 ), + + ft_frame_uoff3_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_OFF3, 0, 0 ), + ft_frame_off3_be = FT_MAKE_FRAME_OP( FT_FRAME_OP_OFF3, 0, 1 ), + ft_frame_uoff3_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_OFF3, 1, 0 ), + ft_frame_off3_le = FT_MAKE_FRAME_OP( FT_FRAME_OP_OFF3, 1, 1 ), + + ft_frame_bytes = FT_MAKE_FRAME_OP( FT_FRAME_OP_BYTES, 0, 0 ), + ft_frame_skip = FT_MAKE_FRAME_OP( FT_FRAME_OP_BYTES, 0, 1 ) + + } FT_Frame_Op; + + + typedef struct FT_Frame_Field_ + { + FT_Byte value; + FT_Byte size; + FT_UShort offset; + + } FT_Frame_Field; + + + /* Construct an FT_Frame_Field out of a structure type and a field name. */ + /* The structure type must be set in the FT_STRUCTURE macro before */ + /* calling the FT_FRAME_START() macro. */ + /* */ +#define FT_FIELD_SIZE( f ) \ + (FT_Byte)sizeof ( ((FT_STRUCTURE*)0)->f ) + +#define FT_FIELD_SIZE_DELTA( f ) \ + (FT_Byte)sizeof ( ((FT_STRUCTURE*)0)->f[0] ) + +#define FT_FIELD_OFFSET( f ) \ + (FT_UShort)( offsetof( FT_STRUCTURE, f ) ) + +#define FT_FRAME_FIELD( frame_op, field ) \ + { \ + frame_op, \ + FT_FIELD_SIZE( field ), \ + FT_FIELD_OFFSET( field ) \ + } + +#define FT_MAKE_EMPTY_FIELD( frame_op ) { frame_op, 0, 0 } + +#define FT_FRAME_START( size ) { ft_frame_start, 0, size } +#define FT_FRAME_END { ft_frame_end, 0, 0 } + +#define FT_FRAME_LONG( f ) FT_FRAME_FIELD( ft_frame_long_be, f ) +#define FT_FRAME_ULONG( f ) FT_FRAME_FIELD( ft_frame_ulong_be, f ) +#define FT_FRAME_SHORT( f ) FT_FRAME_FIELD( ft_frame_short_be, f ) +#define FT_FRAME_USHORT( f ) FT_FRAME_FIELD( ft_frame_ushort_be, f ) +#define FT_FRAME_OFF3( f ) FT_FRAME_FIELD( ft_frame_off3_be, f ) +#define FT_FRAME_UOFF3( f ) FT_FRAME_FIELD( ft_frame_uoff3_be, f ) +#define FT_FRAME_BYTE( f ) FT_FRAME_FIELD( ft_frame_byte, f ) +#define FT_FRAME_CHAR( f ) FT_FRAME_FIELD( ft_frame_schar, f ) + +#define FT_FRAME_LONG_LE( f ) FT_FRAME_FIELD( ft_frame_long_le, f ) +#define FT_FRAME_ULONG_LE( f ) FT_FRAME_FIELD( ft_frame_ulong_le, f ) +#define FT_FRAME_SHORT_LE( f ) FT_FRAME_FIELD( ft_frame_short_le, f ) +#define FT_FRAME_USHORT_LE( f ) FT_FRAME_FIELD( ft_frame_ushort_le, f ) +#define FT_FRAME_OFF3_LE( f ) FT_FRAME_FIELD( ft_frame_off3_le, f ) +#define FT_FRAME_UOFF3_LE( f ) FT_FRAME_FIELD( ft_frame_uoff3_le, f ) + +#define FT_FRAME_SKIP_LONG { ft_frame_long_be, 0, 0 } +#define FT_FRAME_SKIP_SHORT { ft_frame_short_be, 0, 0 } +#define FT_FRAME_SKIP_BYTE { ft_frame_byte, 0, 0 } + +#define FT_FRAME_BYTES( field, count ) \ + { \ + ft_frame_bytes, \ + count, \ + FT_FIELD_OFFSET( field ) \ + } + +#define FT_FRAME_SKIP_BYTES( count ) { ft_frame_skip, count, 0 } + + + /*************************************************************************/ + /* */ + /* Integer extraction macros -- the `buffer' parameter must ALWAYS be of */ + /* type `char*' or equivalent (1-byte elements). */ + /* */ + +#define FT_BYTE_( p, i ) ( ((const FT_Byte*)(p))[(i)] ) + +#define FT_INT16( x ) ( (FT_Int16)(x) ) +#define FT_UINT16( x ) ( (FT_UInt16)(x) ) +#define FT_INT32( x ) ( (FT_Int32)(x) ) +#define FT_UINT32( x ) ( (FT_UInt32)(x) ) + + +#define FT_BYTE_U16( p, i, s ) ( FT_UINT16( FT_BYTE_( p, i ) ) << (s) ) +#define FT_BYTE_U32( p, i, s ) ( FT_UINT32( FT_BYTE_( p, i ) ) << (s) ) + + +#define FT_PEEK_SHORT( p ) FT_INT16( FT_BYTE_U16( p, 0, 8 ) | \ + FT_BYTE_U16( p, 1, 0 ) ) + +#define FT_PEEK_USHORT( p ) FT_UINT16( FT_BYTE_U16( p, 0, 8 ) | \ + FT_BYTE_U16( p, 1, 0 ) ) + +#define FT_PEEK_LONG( p ) FT_INT32( FT_BYTE_U32( p, 0, 24 ) | \ + FT_BYTE_U32( p, 1, 16 ) | \ + FT_BYTE_U32( p, 2, 8 ) | \ + FT_BYTE_U32( p, 3, 0 ) ) + +#define FT_PEEK_ULONG( p ) FT_UINT32( FT_BYTE_U32( p, 0, 24 ) | \ + FT_BYTE_U32( p, 1, 16 ) | \ + FT_BYTE_U32( p, 2, 8 ) | \ + FT_BYTE_U32( p, 3, 0 ) ) + +#define FT_PEEK_OFF3( p ) FT_INT32( FT_BYTE_U32( p, 0, 16 ) | \ + FT_BYTE_U32( p, 1, 8 ) | \ + FT_BYTE_U32( p, 2, 0 ) ) + +#define FT_PEEK_UOFF3( p ) FT_UINT32( FT_BYTE_U32( p, 0, 16 ) | \ + FT_BYTE_U32( p, 1, 8 ) | \ + FT_BYTE_U32( p, 2, 0 ) ) + +#define FT_PEEK_SHORT_LE( p ) FT_INT16( FT_BYTE_U16( p, 1, 8 ) | \ + FT_BYTE_U16( p, 0, 0 ) ) + +#define FT_PEEK_USHORT_LE( p ) FT_UINT16( FT_BYTE_U16( p, 1, 8 ) | \ + FT_BYTE_U16( p, 0, 0 ) ) + +#define FT_PEEK_LONG_LE( p ) FT_INT32( FT_BYTE_U32( p, 3, 24 ) | \ + FT_BYTE_U32( p, 2, 16 ) | \ + FT_BYTE_U32( p, 1, 8 ) | \ + FT_BYTE_U32( p, 0, 0 ) ) + +#define FT_PEEK_ULONG_LE( p ) FT_UINT32( FT_BYTE_U32( p, 3, 24 ) | \ + FT_BYTE_U32( p, 2, 16 ) | \ + FT_BYTE_U32( p, 1, 8 ) | \ + FT_BYTE_U32( p, 0, 0 ) ) + +#define FT_PEEK_OFF3_LE( p ) FT_INT32( FT_BYTE_U32( p, 2, 16 ) | \ + FT_BYTE_U32( p, 1, 8 ) | \ + FT_BYTE_U32( p, 0, 0 ) ) + +#define FT_PEEK_UOFF3_LE( p ) FT_UINT32( FT_BYTE_U32( p, 2, 16 ) | \ + FT_BYTE_U32( p, 1, 8 ) | \ + FT_BYTE_U32( p, 0, 0 ) ) + + +#define FT_NEXT_CHAR( buffer ) \ + ( (signed char)*buffer++ ) + +#define FT_NEXT_BYTE( buffer ) \ + ( (unsigned char)*buffer++ ) + +#define FT_NEXT_SHORT( buffer ) \ + ( (short)( buffer += 2, FT_PEEK_SHORT( buffer - 2 ) ) ) + +#define FT_NEXT_USHORT( buffer ) \ + ( (unsigned short)( buffer += 2, FT_PEEK_USHORT( buffer - 2 ) ) ) + +#define FT_NEXT_OFF3( buffer ) \ + ( (long)( buffer += 3, FT_PEEK_OFF3( buffer - 3 ) ) ) + +#define FT_NEXT_UOFF3( buffer ) \ + ( (unsigned long)( buffer += 3, FT_PEEK_UOFF3( buffer - 3 ) ) ) + +#define FT_NEXT_LONG( buffer ) \ + ( (long)( buffer += 4, FT_PEEK_LONG( buffer - 4 ) ) ) + +#define FT_NEXT_ULONG( buffer ) \ + ( (unsigned long)( buffer += 4, FT_PEEK_ULONG( buffer - 4 ) ) ) + + +#define FT_NEXT_SHORT_LE( buffer ) \ + ( (short)( buffer += 2, FT_PEEK_SHORT_LE( buffer - 2 ) ) ) + +#define FT_NEXT_USHORT_LE( buffer ) \ + ( (unsigned short)( buffer += 2, FT_PEEK_USHORT_LE( buffer - 2 ) ) ) + +#define FT_NEXT_OFF3_LE( buffer ) \ + ( (long)( buffer += 3, FT_PEEK_OFF3_LE( buffer - 3 ) ) ) + +#define FT_NEXT_UOFF3_LE( buffer ) \ + ( (unsigned long)( buffer += 3, FT_PEEK_UOFF3_LE( buffer - 3 ) ) ) + +#define FT_NEXT_LONG_LE( buffer ) \ + ( (long)( buffer += 4, FT_PEEK_LONG_LE( buffer - 4 ) ) ) + +#define FT_NEXT_ULONG_LE( buffer ) \ + ( (unsigned long)( buffer += 4, FT_PEEK_ULONG_LE( buffer - 4 ) ) ) + + + /*************************************************************************/ + /* */ + /* Each GET_xxxx() macro uses an implicit `stream' variable. */ + /* */ +#if 0 +#define FT_GET_MACRO( type ) FT_NEXT_ ## type ( stream->cursor ) + +#define FT_GET_CHAR() FT_GET_MACRO( CHAR ) +#define FT_GET_BYTE() FT_GET_MACRO( BYTE ) +#define FT_GET_SHORT() FT_GET_MACRO( SHORT ) +#define FT_GET_USHORT() FT_GET_MACRO( USHORT ) +#define FT_GET_OFF3() FT_GET_MACRO( OFF3 ) +#define FT_GET_UOFF3() FT_GET_MACRO( UOFF3 ) +#define FT_GET_LONG() FT_GET_MACRO( LONG ) +#define FT_GET_ULONG() FT_GET_MACRO( ULONG ) +#define FT_GET_TAG4() FT_GET_MACRO( ULONG ) + +#define FT_GET_SHORT_LE() FT_GET_MACRO( SHORT_LE ) +#define FT_GET_USHORT_LE() FT_GET_MACRO( USHORT_LE ) +#define FT_GET_LONG_LE() FT_GET_MACRO( LONG_LE ) +#define FT_GET_ULONG_LE() FT_GET_MACRO( ULONG_LE ) + +#else +#define FT_GET_MACRO( func, type ) ( (type)func( stream ) ) + +#define FT_GET_CHAR() FT_GET_MACRO( FT_Stream_GetChar, FT_Char ) +#define FT_GET_BYTE() FT_GET_MACRO( FT_Stream_GetChar, FT_Byte ) +#define FT_GET_SHORT() FT_GET_MACRO( FT_Stream_GetUShort, FT_Short ) +#define FT_GET_USHORT() FT_GET_MACRO( FT_Stream_GetUShort, FT_UShort ) +#define FT_GET_OFF3() FT_GET_MACRO( FT_Stream_GetUOffset, FT_Long ) +#define FT_GET_UOFF3() FT_GET_MACRO( FT_Stream_GetUOffset, FT_ULong ) +#define FT_GET_LONG() FT_GET_MACRO( FT_Stream_GetULong, FT_Long ) +#define FT_GET_ULONG() FT_GET_MACRO( FT_Stream_GetULong, FT_ULong ) +#define FT_GET_TAG4() FT_GET_MACRO( FT_Stream_GetULong, FT_ULong ) + +#define FT_GET_SHORT_LE() FT_GET_MACRO( FT_Stream_GetUShortLE, FT_Short ) +#define FT_GET_USHORT_LE() FT_GET_MACRO( FT_Stream_GetUShortLE, FT_UShort ) +#define FT_GET_LONG_LE() FT_GET_MACRO( FT_Stream_GetULongLE, FT_Long ) +#define FT_GET_ULONG_LE() FT_GET_MACRO( FT_Stream_GetULongLE, FT_ULong ) +#endif + +#define FT_READ_MACRO( func, type, var ) \ + ( var = (type)func( stream, &error ), \ + error != FT_Err_Ok ) + +#define FT_READ_BYTE( var ) FT_READ_MACRO( FT_Stream_ReadChar, FT_Byte, var ) +#define FT_READ_CHAR( var ) FT_READ_MACRO( FT_Stream_ReadChar, FT_Char, var ) +#define FT_READ_SHORT( var ) FT_READ_MACRO( FT_Stream_ReadUShort, FT_Short, var ) +#define FT_READ_USHORT( var ) FT_READ_MACRO( FT_Stream_ReadUShort, FT_UShort, var ) +#define FT_READ_OFF3( var ) FT_READ_MACRO( FT_Stream_ReadUOffset, FT_Long, var ) +#define FT_READ_UOFF3( var ) FT_READ_MACRO( FT_Stream_ReadUOffset, FT_ULong, var ) +#define FT_READ_LONG( var ) FT_READ_MACRO( FT_Stream_ReadULong, FT_Long, var ) +#define FT_READ_ULONG( var ) FT_READ_MACRO( FT_Stream_ReadULong, FT_ULong, var ) + +#define FT_READ_SHORT_LE( var ) FT_READ_MACRO( FT_Stream_ReadUShortLE, FT_Short, var ) +#define FT_READ_USHORT_LE( var ) FT_READ_MACRO( FT_Stream_ReadUShortLE, FT_UShort, var ) +#define FT_READ_LONG_LE( var ) FT_READ_MACRO( FT_Stream_ReadULongLE, FT_Long, var ) +#define FT_READ_ULONG_LE( var ) FT_READ_MACRO( FT_Stream_ReadULongLE, FT_ULong, var ) + + +#ifndef FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM + + /* initialize a stream for reading a regular system stream */ + FT_BASE( FT_Error ) + FT_Stream_Open( FT_Stream stream, + const char* filepathname ); + +#endif /* FT_CONFIG_OPTION_NO_DEFAULT_SYSTEM */ + + + /* create a new (input) stream from an FT_Open_Args structure */ + FT_BASE( FT_Error ) + FT_Stream_New( FT_Library library, + const FT_Open_Args* args, + FT_Stream *astream ); + + /* free a stream */ + FT_BASE( void ) + FT_Stream_Free( FT_Stream stream, + FT_Int external ); + + /* initialize a stream for reading in-memory data */ + FT_BASE( void ) + FT_Stream_OpenMemory( FT_Stream stream, + const FT_Byte* base, + FT_ULong size ); + + /* close a stream (does not destroy the stream structure) */ + FT_BASE( void ) + FT_Stream_Close( FT_Stream stream ); + + + /* seek within a stream. position is relative to start of stream */ + FT_BASE( FT_Error ) + FT_Stream_Seek( FT_Stream stream, + FT_ULong pos ); + + /* skip bytes in a stream */ + FT_BASE( FT_Error ) + FT_Stream_Skip( FT_Stream stream, + FT_Long distance ); + + /* return current stream position */ + FT_BASE( FT_ULong ) + FT_Stream_Pos( FT_Stream stream ); + + /* read bytes from a stream into a user-allocated buffer, returns an */ + /* error if not all bytes could be read. */ + FT_BASE( FT_Error ) + FT_Stream_Read( FT_Stream stream, + FT_Byte* buffer, + FT_ULong count ); + + /* read bytes from a stream at a given position */ + FT_BASE( FT_Error ) + FT_Stream_ReadAt( FT_Stream stream, + FT_ULong pos, + FT_Byte* buffer, + FT_ULong count ); + + /* try to read bytes at the end of a stream; return number of bytes */ + /* really available */ + FT_BASE( FT_ULong ) + FT_Stream_TryRead( FT_Stream stream, + FT_Byte* buffer, + FT_ULong count ); + + /* Enter a frame of `count' consecutive bytes in a stream. Returns an */ + /* error if the frame could not be read/accessed. The caller can use */ + /* the FT_Stream_Get_XXX functions to retrieve frame data without */ + /* error checks. */ + /* */ + /* You must _always_ call FT_Stream_ExitFrame() once you have entered */ + /* a stream frame! */ + /* */ + FT_BASE( FT_Error ) + FT_Stream_EnterFrame( FT_Stream stream, + FT_ULong count ); + + /* exit a stream frame */ + FT_BASE( void ) + FT_Stream_ExitFrame( FT_Stream stream ); + + /* Extract a stream frame. If the stream is disk-based, a heap block */ + /* is allocated and the frame bytes are read into it. If the stream */ + /* is memory-based, this function simply set a pointer to the data. */ + /* */ + /* Useful to optimize access to memory-based streams transparently. */ + /* */ + /* All extracted frames must be `freed' with a call to the function */ + /* FT_Stream_ReleaseFrame(). */ + /* */ + FT_BASE( FT_Error ) + FT_Stream_ExtractFrame( FT_Stream stream, + FT_ULong count, + FT_Byte** pbytes ); + + /* release an extract frame (see FT_Stream_ExtractFrame) */ + FT_BASE( void ) + FT_Stream_ReleaseFrame( FT_Stream stream, + FT_Byte** pbytes ); + + /* read a byte from an entered frame */ + FT_BASE( FT_Char ) + FT_Stream_GetChar( FT_Stream stream ); + + /* read a 16-bit big-endian unsigned integer from an entered frame */ + FT_BASE( FT_UShort ) + FT_Stream_GetUShort( FT_Stream stream ); + + /* read a 24-bit big-endian unsigned integer from an entered frame */ + FT_BASE( FT_ULong ) + FT_Stream_GetUOffset( FT_Stream stream ); + + /* read a 32-bit big-endian unsigned integer from an entered frame */ + FT_BASE( FT_ULong ) + FT_Stream_GetULong( FT_Stream stream ); + + /* read a 16-bit little-endian unsigned integer from an entered frame */ + FT_BASE( FT_UShort ) + FT_Stream_GetUShortLE( FT_Stream stream ); + + /* read a 32-bit little-endian unsigned integer from an entered frame */ + FT_BASE( FT_ULong ) + FT_Stream_GetULongLE( FT_Stream stream ); + + + /* read a byte from a stream */ + FT_BASE( FT_Char ) + FT_Stream_ReadChar( FT_Stream stream, + FT_Error* error ); + + /* read a 16-bit big-endian unsigned integer from a stream */ + FT_BASE( FT_UShort ) + FT_Stream_ReadUShort( FT_Stream stream, + FT_Error* error ); + + /* read a 24-bit big-endian unsigned integer from a stream */ + FT_BASE( FT_ULong ) + FT_Stream_ReadUOffset( FT_Stream stream, + FT_Error* error ); + + /* read a 32-bit big-endian integer from a stream */ + FT_BASE( FT_ULong ) + FT_Stream_ReadULong( FT_Stream stream, + FT_Error* error ); + + /* read a 16-bit little-endian unsigned integer from a stream */ + FT_BASE( FT_UShort ) + FT_Stream_ReadUShortLE( FT_Stream stream, + FT_Error* error ); + + /* read a 32-bit little-endian unsigned integer from a stream */ + FT_BASE( FT_ULong ) + FT_Stream_ReadULongLE( FT_Stream stream, + FT_Error* error ); + + /* Read a structure from a stream. The structure must be described */ + /* by an array of FT_Frame_Field records. */ + FT_BASE( FT_Error ) + FT_Stream_ReadFields( FT_Stream stream, + const FT_Frame_Field* fields, + void* structure ); + + +#define FT_STREAM_POS() \ + FT_Stream_Pos( stream ) + +#define FT_STREAM_SEEK( position ) \ + FT_SET_ERROR( FT_Stream_Seek( stream, \ + (FT_ULong)(position) ) ) + +#define FT_STREAM_SKIP( distance ) \ + FT_SET_ERROR( FT_Stream_Skip( stream, \ + (FT_Long)(distance) ) ) + +#define FT_STREAM_READ( buffer, count ) \ + FT_SET_ERROR( FT_Stream_Read( stream, \ + (FT_Byte*)(buffer), \ + (FT_ULong)(count) ) ) + +#define FT_STREAM_READ_AT( position, buffer, count ) \ + FT_SET_ERROR( FT_Stream_ReadAt( stream, \ + (FT_ULong)(position), \ + (FT_Byte*)(buffer), \ + (FT_ULong)(count) ) ) + +#define FT_STREAM_READ_FIELDS( fields, object ) \ + FT_SET_ERROR( FT_Stream_ReadFields( stream, fields, object ) ) + + +#define FT_FRAME_ENTER( size ) \ + FT_SET_ERROR( \ + FT_DEBUG_INNER( FT_Stream_EnterFrame( stream, \ + (FT_ULong)(size) ) ) ) + +#define FT_FRAME_EXIT() \ + FT_DEBUG_INNER( FT_Stream_ExitFrame( stream ) ) + +#define FT_FRAME_EXTRACT( size, bytes ) \ + FT_SET_ERROR( \ + FT_DEBUG_INNER( FT_Stream_ExtractFrame( stream, \ + (FT_ULong)(size), \ + (FT_Byte**)&(bytes) ) ) ) + +#define FT_FRAME_RELEASE( bytes ) \ + FT_DEBUG_INNER( FT_Stream_ReleaseFrame( stream, \ + (FT_Byte**)&(bytes) ) ) + + +FT_END_HEADER + +#endif /* FTSTREAM_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/fttrace.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/fttrace.h new file mode 100644 index 00000000000..8092e41fd73 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/fttrace.h @@ -0,0 +1,153 @@ +/***************************************************************************/ +/* */ +/* fttrace.h */ +/* */ +/* Tracing handling (specification only). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /* definitions of trace levels for FreeType 2 */ + + /* the first level must always be `trace_any' */ +FT_TRACE_DEF( any ) + + /* base components */ +FT_TRACE_DEF( calc ) /* calculations (ftcalc.c) */ +FT_TRACE_DEF( memory ) /* memory manager (ftobjs.c) */ +FT_TRACE_DEF( stream ) /* stream manager (ftstream.c) */ +FT_TRACE_DEF( io ) /* i/o interface (ftsystem.c) */ +FT_TRACE_DEF( list ) /* list management (ftlist.c) */ +FT_TRACE_DEF( init ) /* initialization (ftinit.c) */ +FT_TRACE_DEF( objs ) /* base objects (ftobjs.c) */ +FT_TRACE_DEF( outline ) /* outline management (ftoutln.c) */ +FT_TRACE_DEF( glyph ) /* glyph management (ftglyph.c) */ +FT_TRACE_DEF( gloader ) /* glyph loader (ftgloadr.c) */ + +FT_TRACE_DEF( raster ) /* monochrome rasterizer (ftraster.c) */ +FT_TRACE_DEF( smooth ) /* anti-aliasing raster (ftgrays.c) */ +FT_TRACE_DEF( mm ) /* MM interface (ftmm.c) */ +FT_TRACE_DEF( raccess ) /* resource fork accessor (ftrfork.c) */ +FT_TRACE_DEF( synth ) /* bold/slant synthesizer (ftsynth.c) */ +FT_TRACE_DEF( bitmap ) /* bitmap checksum (ftobjs.c) */ +FT_TRACE_DEF( psprops ) /* PS driver properties (ftpsprop.c) */ + + /* Cache sub-system */ +FT_TRACE_DEF( cache ) /* cache sub-system (ftcache.c, etc.) */ + + /* SFNT driver components */ +FT_TRACE_DEF( sfdriver ) /* SFNT font driver (sfdriver.c) */ +FT_TRACE_DEF( sfobjs ) /* SFNT object handler (sfobjs.c) */ +FT_TRACE_DEF( ttcmap ) /* charmap handler (ttcmap.c) */ +FT_TRACE_DEF( ttkern ) /* kerning handler (ttkern.c) */ +FT_TRACE_DEF( ttload ) /* basic TrueType tables (ttload.c) */ +FT_TRACE_DEF( ttmtx ) /* metrics-related tables (ttmtx.c) */ +FT_TRACE_DEF( ttpost ) /* PS table processing (ttpost.c) */ +FT_TRACE_DEF( ttsbit ) /* TrueType sbit handling (ttsbit.c) */ +FT_TRACE_DEF( ttbdf ) /* TrueType embedded BDF (ttbdf.c) */ + + /* TrueType driver components */ +FT_TRACE_DEF( ttdriver ) /* TT font driver (ttdriver.c) */ +FT_TRACE_DEF( ttgload ) /* TT glyph loader (ttgload.c) */ +FT_TRACE_DEF( ttinterp ) /* bytecode interpreter (ttinterp.c) */ +FT_TRACE_DEF( ttobjs ) /* TT objects manager (ttobjs.c) */ +FT_TRACE_DEF( ttpload ) /* TT data/program loader (ttpload.c) */ +FT_TRACE_DEF( ttgxvar ) /* TrueType GX var handler (ttgxvar.c) */ + + /* Type 1 driver components */ +FT_TRACE_DEF( t1afm ) +FT_TRACE_DEF( t1driver ) +FT_TRACE_DEF( t1gload ) +FT_TRACE_DEF( t1load ) +FT_TRACE_DEF( t1objs ) +FT_TRACE_DEF( t1parse ) + + /* PostScript helper module `psaux' */ +FT_TRACE_DEF( t1decode ) +FT_TRACE_DEF( cffdecode ) +FT_TRACE_DEF( psobjs ) +FT_TRACE_DEF( psconv ) + + /* PostScript hinting module `pshinter' */ +FT_TRACE_DEF( pshrec ) +FT_TRACE_DEF( pshalgo ) + + /* Type 2 driver components */ +FT_TRACE_DEF( cffdriver ) +FT_TRACE_DEF( cffgload ) +FT_TRACE_DEF( cffload ) +FT_TRACE_DEF( cffobjs ) +FT_TRACE_DEF( cffparse ) + +FT_TRACE_DEF( cf2blues ) +FT_TRACE_DEF( cf2hints ) +FT_TRACE_DEF( cf2interp ) + + /* Type 42 driver component */ +FT_TRACE_DEF( t42 ) + + /* CID driver components */ +FT_TRACE_DEF( ciddriver ) +FT_TRACE_DEF( cidgload ) +FT_TRACE_DEF( cidload ) +FT_TRACE_DEF( cidobjs ) +FT_TRACE_DEF( cidparse ) + + /* Windows font component */ +FT_TRACE_DEF( winfnt ) + + /* PCF font components */ +FT_TRACE_DEF( pcfdriver ) +FT_TRACE_DEF( pcfread ) + + /* BDF font components */ +FT_TRACE_DEF( bdfdriver ) +FT_TRACE_DEF( bdflib ) + + /* PFR font component */ +FT_TRACE_DEF( pfr ) + + /* OpenType validation components */ +FT_TRACE_DEF( otvmodule ) +FT_TRACE_DEF( otvcommon ) +FT_TRACE_DEF( otvbase ) +FT_TRACE_DEF( otvgdef ) +FT_TRACE_DEF( otvgpos ) +FT_TRACE_DEF( otvgsub ) +FT_TRACE_DEF( otvjstf ) +FT_TRACE_DEF( otvmath ) + + /* TrueTypeGX/AAT validation components */ +FT_TRACE_DEF( gxvmodule ) +FT_TRACE_DEF( gxvcommon ) +FT_TRACE_DEF( gxvfeat ) +FT_TRACE_DEF( gxvmort ) +FT_TRACE_DEF( gxvmorx ) +FT_TRACE_DEF( gxvbsln ) +FT_TRACE_DEF( gxvjust ) +FT_TRACE_DEF( gxvkern ) +FT_TRACE_DEF( gxvopbd ) +FT_TRACE_DEF( gxvtrak ) +FT_TRACE_DEF( gxvprop ) +FT_TRACE_DEF( gxvlcar ) + + /* autofit components */ +FT_TRACE_DEF( afmodule ) +FT_TRACE_DEF( afhints ) +FT_TRACE_DEF( afcjk ) +FT_TRACE_DEF( aflatin ) +FT_TRACE_DEF( aflatin2 ) +FT_TRACE_DEF( afwarp ) +FT_TRACE_DEF( afshaper ) +FT_TRACE_DEF( afglobal ) + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftvalid.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftvalid.h new file mode 100644 index 00000000000..cad47a556d3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/ftvalid.h @@ -0,0 +1,159 @@ +/***************************************************************************/ +/* */ +/* ftvalid.h */ +/* */ +/* FreeType validation support (specification). */ +/* */ +/* Copyright 2004-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTVALID_H_ +#define FTVALID_H_ + +#include <ft2build.h> +#include FT_CONFIG_STANDARD_LIBRARY_H /* for ft_setjmp and ft_longjmp */ + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** V A L I D A T I O N ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + /* handle to a validation object */ + typedef struct FT_ValidatorRec_ volatile* FT_Validator; + + + /*************************************************************************/ + /* */ + /* There are three distinct validation levels defined here: */ + /* */ + /* FT_VALIDATE_DEFAULT :: */ + /* A table that passes this validation level can be used reliably by */ + /* FreeType. It generally means that all offsets have been checked to */ + /* prevent out-of-bound reads, that array counts are correct, etc. */ + /* */ + /* FT_VALIDATE_TIGHT :: */ + /* A table that passes this validation level can be used reliably and */ + /* doesn't contain invalid data. For example, a charmap table that */ + /* returns invalid glyph indices will not pass, even though it can */ + /* be used with FreeType in default mode (the library will simply */ + /* return an error later when trying to load the glyph). */ + /* */ + /* It also checks that fields which must be a multiple of 2, 4, or 8, */ + /* don't have incorrect values, etc. */ + /* */ + /* FT_VALIDATE_PARANOID :: */ + /* Only for font debugging. Checks that a table follows the */ + /* specification by 100%. Very few fonts will be able to pass this */ + /* level anyway but it can be useful for certain tools like font */ + /* editors/converters. */ + /* */ + typedef enum FT_ValidationLevel_ + { + FT_VALIDATE_DEFAULT = 0, + FT_VALIDATE_TIGHT, + FT_VALIDATE_PARANOID + + } FT_ValidationLevel; + + +#if defined( _MSC_VER ) /* Visual C++ (and Intel C++) */ + /* We disable the warning `structure was padded due to */ + /* __declspec(align())' in order to compile cleanly with */ + /* the maximum level of warnings. */ +#pragma warning( push ) +#pragma warning( disable : 4324 ) +#endif /* _MSC_VER */ + + /* validator structure */ + typedef struct FT_ValidatorRec_ + { + ft_jmp_buf jump_buffer; /* used for exception handling */ + + const FT_Byte* base; /* address of table in memory */ + const FT_Byte* limit; /* `base' + sizeof(table) in memory */ + FT_ValidationLevel level; /* validation level */ + FT_Error error; /* error returned. 0 means success */ + + } FT_ValidatorRec; + +#if defined( _MSC_VER ) +#pragma warning( pop ) +#endif + +#define FT_VALIDATOR( x ) ( (FT_Validator)( x ) ) + + + FT_BASE( void ) + ft_validator_init( FT_Validator valid, + const FT_Byte* base, + const FT_Byte* limit, + FT_ValidationLevel level ); + + /* Do not use this. It's broken and will cause your validator to crash */ + /* if you run it on an invalid font. */ + FT_BASE( FT_Int ) + ft_validator_run( FT_Validator valid ); + + /* Sets the error field in a validator, then calls `longjmp' to return */ + /* to high-level caller. Using `setjmp/longjmp' avoids many stupid */ + /* error checks within the validation routines. */ + /* */ + FT_BASE( void ) + ft_validator_error( FT_Validator valid, + FT_Error error ); + + + /* Calls ft_validate_error. Assumes that the `valid' local variable */ + /* holds a pointer to the current validator object. */ + /* */ +#define FT_INVALID( _error ) FT_INVALID_( _error ) +#define FT_INVALID_( _error ) \ + ft_validator_error( valid, FT_THROW( _error ) ) + + /* called when a broken table is detected */ +#define FT_INVALID_TOO_SHORT \ + FT_INVALID( Invalid_Table ) + + /* called when an invalid offset is detected */ +#define FT_INVALID_OFFSET \ + FT_INVALID( Invalid_Offset ) + + /* called when an invalid format/value is detected */ +#define FT_INVALID_FORMAT \ + FT_INVALID( Invalid_Table ) + + /* called when an invalid glyph index is detected */ +#define FT_INVALID_GLYPH_ID \ + FT_INVALID( Invalid_Glyph_Index ) + + /* called when an invalid field value is detected */ +#define FT_INVALID_DATA \ + FT_INVALID( Invalid_Table ) + + +FT_END_HEADER + +#endif /* FTVALID_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/internal.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/internal.h new file mode 100644 index 00000000000..8f546e443ba --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/internal.h @@ -0,0 +1,67 @@ +/***************************************************************************/ +/* */ +/* internal.h */ +/* */ +/* Internal header files (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is automatically included by `ft2build.h'. */ + /* Do not include it manually! */ + /* */ + /*************************************************************************/ + + +#define FT_INTERNAL_OBJECTS_H <freetype/internal/ftobjs.h> +#define FT_INTERNAL_PIC_H <freetype/internal/ftpic.h> +#define FT_INTERNAL_STREAM_H <freetype/internal/ftstream.h> +#define FT_INTERNAL_MEMORY_H <freetype/internal/ftmemory.h> +#define FT_INTERNAL_DEBUG_H <freetype/internal/ftdebug.h> +#define FT_INTERNAL_CALC_H <freetype/internal/ftcalc.h> +#define FT_INTERNAL_HASH_H <freetype/internal/fthash.h> +#define FT_INTERNAL_DRIVER_H <freetype/internal/ftdrv.h> +#define FT_INTERNAL_TRACE_H <freetype/internal/fttrace.h> +#define FT_INTERNAL_GLYPH_LOADER_H <freetype/internal/ftgloadr.h> +#define FT_INTERNAL_SFNT_H <freetype/internal/sfnt.h> +#define FT_INTERNAL_SERVICE_H <freetype/internal/ftserv.h> +#define FT_INTERNAL_RFORK_H <freetype/internal/ftrfork.h> +#define FT_INTERNAL_VALIDATE_H <freetype/internal/ftvalid.h> + +#define FT_INTERNAL_TRUETYPE_TYPES_H <freetype/internal/tttypes.h> +#define FT_INTERNAL_TYPE1_TYPES_H <freetype/internal/t1types.h> + +#define FT_INTERNAL_POSTSCRIPT_AUX_H <freetype/internal/psaux.h> +#define FT_INTERNAL_POSTSCRIPT_HINTS_H <freetype/internal/pshints.h> +#define FT_INTERNAL_POSTSCRIPT_PROPS_H <freetype/internal/ftpsprop.h> + +#define FT_INTERNAL_AUTOHINT_H <freetype/internal/autohint.h> + +#define FT_INTERNAL_CFF_TYPES_H <freetype/internal/cfftypes.h> +#define FT_INTERNAL_CFF_OBJECTS_TYPES_H <freetype/internal/cffotypes.h> + + +#if defined( _MSC_VER ) /* Visual C++ (and Intel C++) */ + + /* We disable the warning `conditional expression is constant' here */ + /* in order to compile cleanly with the maximum level of warnings. */ + /* In particular, the warning complains about stuff like `while(0)' */ + /* which is very useful in macro definitions. There is no benefit */ + /* in having it enabled. */ +#pragma warning( disable : 4127 ) + +#endif /* _MSC_VER */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/psaux.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/psaux.h new file mode 100644 index 00000000000..f77380d25ff --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/psaux.h @@ -0,0 +1,1372 @@ +/***************************************************************************/ +/* */ +/* psaux.h */ +/* */ +/* Auxiliary functions and data structures related to PostScript fonts */ +/* (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSAUX_H_ +#define PSAUX_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_TYPE1_TYPES_H +#include FT_INTERNAL_HASH_H +#include FT_INTERNAL_TRUETYPE_TYPES_H +#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include FT_INTERNAL_CFF_TYPES_H +#include FT_INTERNAL_CFF_OBJECTS_TYPES_H + + + +FT_BEGIN_HEADER + + + /***********************************************************************/ + /* */ + /* PostScript modules driver class. */ + /* */ + typedef struct PS_DriverRec_ + { + FT_DriverRec root; + + FT_UInt hinting_engine; + FT_Bool no_stem_darkening; + FT_Int darken_params[8]; + FT_Int32 random_seed; + + } PS_DriverRec, *PS_Driver; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1_TABLE *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + typedef struct PS_TableRec_* PS_Table; + typedef const struct PS_Table_FuncsRec_* PS_Table_Funcs; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* PS_Table_FuncsRec */ + /* */ + /* <Description> */ + /* A set of function pointers to manage PS_Table objects. */ + /* */ + /* <Fields> */ + /* table_init :: Used to initialize a table. */ + /* */ + /* table_done :: Finalizes resp. destroy a given table. */ + /* */ + /* table_add :: Adds a new object to a table. */ + /* */ + /* table_release :: Releases table data, then finalizes it. */ + /* */ + typedef struct PS_Table_FuncsRec_ + { + FT_Error + (*init)( PS_Table table, + FT_Int count, + FT_Memory memory ); + + void + (*done)( PS_Table table ); + + FT_Error + (*add)( PS_Table table, + FT_Int idx, + void* object, + FT_UInt length ); + + void + (*release)( PS_Table table ); + + } PS_Table_FuncsRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* PS_TableRec */ + /* */ + /* <Description> */ + /* A PS_Table is a simple object used to store an array of objects in */ + /* a single memory block. */ + /* */ + /* <Fields> */ + /* block :: The address in memory of the growheap's block. This */ + /* can change between two object adds, due to */ + /* reallocation. */ + /* */ + /* cursor :: The current top of the grow heap within its block. */ + /* */ + /* capacity :: The current size of the heap block. Increments by */ + /* 1kByte chunks. */ + /* */ + /* init :: Set to 0xDEADBEEF if `elements' and `lengths' have */ + /* been allocated. */ + /* */ + /* max_elems :: The maximum number of elements in table. */ + /* */ + /* num_elems :: The current number of elements in table. */ + /* */ + /* elements :: A table of element addresses within the block. */ + /* */ + /* lengths :: A table of element sizes within the block. */ + /* */ + /* memory :: The object used for memory operations */ + /* (alloc/realloc). */ + /* */ + /* funcs :: A table of method pointers for this object. */ + /* */ + typedef struct PS_TableRec_ + { + FT_Byte* block; /* current memory block */ + FT_Offset cursor; /* current cursor in memory block */ + FT_Offset capacity; /* current size of memory block */ + FT_ULong init; + + FT_Int max_elems; + FT_Int num_elems; + FT_Byte** elements; /* addresses of table elements */ + FT_UInt* lengths; /* lengths of table elements */ + + FT_Memory memory; + PS_Table_FuncsRec funcs; + + } PS_TableRec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1 FIELDS & TOKENS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef struct PS_ParserRec_* PS_Parser; + + typedef struct T1_TokenRec_* T1_Token; + + typedef struct T1_FieldRec_* T1_Field; + + + /* simple enumeration type used to identify token types */ + typedef enum T1_TokenType_ + { + T1_TOKEN_TYPE_NONE = 0, + T1_TOKEN_TYPE_ANY, + T1_TOKEN_TYPE_STRING, + T1_TOKEN_TYPE_ARRAY, + T1_TOKEN_TYPE_KEY, /* aka `name' */ + + /* do not remove */ + T1_TOKEN_TYPE_MAX + + } T1_TokenType; + + + /* a simple structure used to identify tokens */ + typedef struct T1_TokenRec_ + { + FT_Byte* start; /* first character of token in input stream */ + FT_Byte* limit; /* first character after the token */ + T1_TokenType type; /* type of token */ + + } T1_TokenRec; + + + /* enumeration type used to identify object fields */ + typedef enum T1_FieldType_ + { + T1_FIELD_TYPE_NONE = 0, + T1_FIELD_TYPE_BOOL, + T1_FIELD_TYPE_INTEGER, + T1_FIELD_TYPE_FIXED, + T1_FIELD_TYPE_FIXED_1000, + T1_FIELD_TYPE_STRING, + T1_FIELD_TYPE_KEY, + T1_FIELD_TYPE_BBOX, + T1_FIELD_TYPE_MM_BBOX, + T1_FIELD_TYPE_INTEGER_ARRAY, + T1_FIELD_TYPE_FIXED_ARRAY, + T1_FIELD_TYPE_CALLBACK, + + /* do not remove */ + T1_FIELD_TYPE_MAX + + } T1_FieldType; + + + typedef enum T1_FieldLocation_ + { + T1_FIELD_LOCATION_CID_INFO, + T1_FIELD_LOCATION_FONT_DICT, + T1_FIELD_LOCATION_FONT_EXTRA, + T1_FIELD_LOCATION_FONT_INFO, + T1_FIELD_LOCATION_PRIVATE, + T1_FIELD_LOCATION_BBOX, + T1_FIELD_LOCATION_LOADER, + T1_FIELD_LOCATION_FACE, + T1_FIELD_LOCATION_BLEND, + + /* do not remove */ + T1_FIELD_LOCATION_MAX + + } T1_FieldLocation; + + + typedef void + (*T1_Field_ParseFunc)( FT_Face face, + FT_Pointer parser ); + + + /* structure type used to model object fields */ + typedef struct T1_FieldRec_ + { + const char* ident; /* field identifier */ + T1_FieldLocation location; + T1_FieldType type; /* type of field */ + T1_Field_ParseFunc reader; + FT_UInt offset; /* offset of field in object */ + FT_Byte size; /* size of field in bytes */ + FT_UInt array_max; /* maximum number of elements for */ + /* array */ + FT_UInt count_offset; /* offset of element count for */ + /* arrays; must not be zero if in */ + /* use -- in other words, a */ + /* `num_FOO' element must not */ + /* start the used structure if we */ + /* parse a `FOO' array */ + FT_UInt dict; /* where we expect it */ + } T1_FieldRec; + +#define T1_FIELD_DICT_FONTDICT ( 1 << 0 ) /* also FontInfo and FDArray */ +#define T1_FIELD_DICT_PRIVATE ( 1 << 1 ) + + + +#define T1_NEW_SIMPLE_FIELD( _ident, _type, _fname, _dict ) \ + { \ + _ident, T1CODE, _type, \ + 0, \ + FT_FIELD_OFFSET( _fname ), \ + FT_FIELD_SIZE( _fname ), \ + 0, 0, \ + _dict \ + }, + +#define T1_NEW_CALLBACK_FIELD( _ident, _reader, _dict ) \ + { \ + _ident, T1CODE, T1_FIELD_TYPE_CALLBACK, \ + (T1_Field_ParseFunc)_reader, \ + 0, 0, \ + 0, 0, \ + _dict \ + }, + +#define T1_NEW_TABLE_FIELD( _ident, _type, _fname, _max, _dict ) \ + { \ + _ident, T1CODE, _type, \ + 0, \ + FT_FIELD_OFFSET( _fname ), \ + FT_FIELD_SIZE_DELTA( _fname ), \ + _max, \ + FT_FIELD_OFFSET( num_ ## _fname ), \ + _dict \ + }, + +#define T1_NEW_TABLE_FIELD2( _ident, _type, _fname, _max, _dict ) \ + { \ + _ident, T1CODE, _type, \ + 0, \ + FT_FIELD_OFFSET( _fname ), \ + FT_FIELD_SIZE_DELTA( _fname ), \ + _max, 0, \ + _dict \ + }, + + +#define T1_FIELD_BOOL( _ident, _fname, _dict ) \ + T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_BOOL, _fname, _dict ) + +#define T1_FIELD_NUM( _ident, _fname, _dict ) \ + T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_INTEGER, _fname, _dict ) + +#define T1_FIELD_FIXED( _ident, _fname, _dict ) \ + T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_FIXED, _fname, _dict ) + +#define T1_FIELD_FIXED_1000( _ident, _fname, _dict ) \ + T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_1000, _fname, \ + _dict ) + +#define T1_FIELD_STRING( _ident, _fname, _dict ) \ + T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_STRING, _fname, _dict ) + +#define T1_FIELD_KEY( _ident, _fname, _dict ) \ + T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_KEY, _fname, _dict ) + +#define T1_FIELD_BBOX( _ident, _fname, _dict ) \ + T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_BBOX, _fname, _dict ) + + +#define T1_FIELD_NUM_TABLE( _ident, _fname, _fmax, _dict ) \ + T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \ + _fname, _fmax, _dict ) + +#define T1_FIELD_FIXED_TABLE( _ident, _fname, _fmax, _dict ) \ + T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \ + _fname, _fmax, _dict ) + +#define T1_FIELD_NUM_TABLE2( _ident, _fname, _fmax, _dict ) \ + T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \ + _fname, _fmax, _dict ) + +#define T1_FIELD_FIXED_TABLE2( _ident, _fname, _fmax, _dict ) \ + T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \ + _fname, _fmax, _dict ) + +#define T1_FIELD_CALLBACK( _ident, _name, _dict ) \ + T1_NEW_CALLBACK_FIELD( _ident, _name, _dict ) + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1 PARSER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef const struct PS_Parser_FuncsRec_* PS_Parser_Funcs; + + typedef struct PS_Parser_FuncsRec_ + { + void + (*init)( PS_Parser parser, + FT_Byte* base, + FT_Byte* limit, + FT_Memory memory ); + + void + (*done)( PS_Parser parser ); + + void + (*skip_spaces)( PS_Parser parser ); + void + (*skip_PS_token)( PS_Parser parser ); + + FT_Long + (*to_int)( PS_Parser parser ); + FT_Fixed + (*to_fixed)( PS_Parser parser, + FT_Int power_ten ); + + FT_Error + (*to_bytes)( PS_Parser parser, + FT_Byte* bytes, + FT_Offset max_bytes, + FT_ULong* pnum_bytes, + FT_Bool delimiters ); + + FT_Int + (*to_coord_array)( PS_Parser parser, + FT_Int max_coords, + FT_Short* coords ); + FT_Int + (*to_fixed_array)( PS_Parser parser, + FT_Int max_values, + FT_Fixed* values, + FT_Int power_ten ); + + void + (*to_token)( PS_Parser parser, + T1_Token token ); + void + (*to_token_array)( PS_Parser parser, + T1_Token tokens, + FT_UInt max_tokens, + FT_Int* pnum_tokens ); + + FT_Error + (*load_field)( PS_Parser parser, + const T1_Field field, + void** objects, + FT_UInt max_objects, + FT_ULong* pflags ); + + FT_Error + (*load_field_table)( PS_Parser parser, + const T1_Field field, + void** objects, + FT_UInt max_objects, + FT_ULong* pflags ); + + } PS_Parser_FuncsRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* PS_ParserRec */ + /* */ + /* <Description> */ + /* A PS_Parser is an object used to parse a Type 1 font very quickly. */ + /* */ + /* <Fields> */ + /* cursor :: The current position in the text. */ + /* */ + /* base :: Start of the processed text. */ + /* */ + /* limit :: End of the processed text. */ + /* */ + /* error :: The last error returned. */ + /* */ + /* memory :: The object used for memory operations (alloc/realloc). */ + /* */ + /* funcs :: A table of functions for the parser. */ + /* */ + typedef struct PS_ParserRec_ + { + FT_Byte* cursor; + FT_Byte* base; + FT_Byte* limit; + FT_Error error; + FT_Memory memory; + + PS_Parser_FuncsRec funcs; + + } PS_ParserRec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PS BUILDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + typedef struct PS_Builder_ PS_Builder; + typedef const struct PS_Builder_FuncsRec_* PS_Builder_Funcs; + + typedef struct PS_Builder_FuncsRec_ + { + void + (*init)( PS_Builder* ps_builder, + void* builder, + FT_Bool is_t1 ); + + void + (*done)( PS_Builder* builder ); + + } PS_Builder_FuncsRec; + + + /*************************************************************************/ + /* */ + /* <Structure> */ + /* PS_Builder */ + /* */ + /* <Description> */ + /* A structure used during glyph loading to store its outline. */ + /* */ + /* <Fields> */ + /* memory :: The current memory object. */ + /* */ + /* face :: The current face object. */ + /* */ + /* glyph :: The current glyph slot. */ + /* */ + /* loader :: XXX */ + /* */ + /* base :: The base glyph outline. */ + /* */ + /* current :: The current glyph outline. */ + /* */ + /* pos_x :: The horizontal translation (if composite glyph). */ + /* */ + /* pos_y :: The vertical translation (if composite glyph). */ + /* */ + /* left_bearing :: The left side bearing point. */ + /* */ + /* advance :: The horizontal advance vector. */ + /* */ + /* bbox :: Unused. */ + /* */ + /* path_begun :: A flag which indicates that a new path has begun. */ + /* */ + /* load_points :: If this flag is not set, no points are loaded. */ + /* */ + /* no_recurse :: Set but not used. */ + /* */ + /* metrics_only :: A boolean indicating that we only want to compute */ + /* the metrics of a given glyph, not load all of its */ + /* points. */ + /* */ + /* is_t1 :: Set if current font type is Type 1. */ + /* */ + /* funcs :: An array of function pointers for the builder. */ + /* */ + struct PS_Builder_ + { + FT_Memory memory; + FT_Face face; + CFF_GlyphSlot glyph; + FT_GlyphLoader loader; + FT_Outline* base; + FT_Outline* current; + + FT_Pos* pos_x; + FT_Pos* pos_y; + + FT_Vector* left_bearing; + FT_Vector* advance; + + FT_BBox* bbox; /* bounding box */ + FT_Bool path_begun; + FT_Bool load_points; + FT_Bool no_recurse; + + FT_Bool metrics_only; + FT_Bool is_t1; + + PS_Builder_FuncsRec funcs; + + }; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PS DECODER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#define PS_MAX_OPERANDS 48 +#define PS_MAX_SUBRS_CALLS 16 /* maximum subroutine nesting; */ + /* only 10 are allowed but there exist */ + /* fonts like `HiraKakuProN-W3.ttf' */ + /* (Hiragino Kaku Gothic ProN W3; */ + /* 8.2d6e1; 2014-12-19) that exceed */ + /* this limit */ + + /* execution context charstring zone */ + + typedef struct PS_Decoder_Zone_ + { + FT_Byte* base; + FT_Byte* limit; + FT_Byte* cursor; + + } PS_Decoder_Zone; + + + typedef FT_Error + (*CFF_Decoder_Get_Glyph_Callback)( TT_Face face, + FT_UInt glyph_index, + FT_Byte** pointer, + FT_ULong* length ); + + typedef void + (*CFF_Decoder_Free_Glyph_Callback)( TT_Face face, + FT_Byte** pointer, + FT_ULong length ); + + + typedef struct PS_Decoder_ + { + PS_Builder builder; + + FT_Fixed stack[PS_MAX_OPERANDS + 1]; + FT_Fixed* top; + + PS_Decoder_Zone zones[PS_MAX_SUBRS_CALLS + 1]; + PS_Decoder_Zone* zone; + + FT_Int flex_state; + FT_Int num_flex_vectors; + FT_Vector flex_vectors[7]; + + CFF_Font cff; + CFF_SubFont current_subfont; /* for current glyph_index */ + FT_Generic* cf2_instance; + + FT_Pos* glyph_width; + FT_Bool width_only; + FT_Int num_hints; + + FT_UInt num_locals; + FT_UInt num_globals; + + FT_Int locals_bias; + FT_Int globals_bias; + + FT_Byte** locals; + FT_Byte** globals; + + FT_Byte** glyph_names; /* for pure CFF fonts only */ + FT_UInt num_glyphs; /* number of glyphs in font */ + + FT_Render_Mode hint_mode; + + FT_Bool seac; + + CFF_Decoder_Get_Glyph_Callback get_glyph_callback; + CFF_Decoder_Free_Glyph_Callback free_glyph_callback; + + /* Type 1 stuff */ + FT_Service_PsCMaps psnames; /* for seac */ + + FT_Int lenIV; /* internal for sub routine calls */ + FT_UInt* locals_len; /* array of subrs length (optional) */ + FT_Hash locals_hash; /* used if `num_subrs' was massaged */ + + FT_Matrix font_matrix; + FT_Vector font_offset; + + PS_Blend blend; /* for multiple master support */ + + FT_Long* buildchar; + FT_UInt len_buildchar; + + } PS_Decoder; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1 BUILDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + typedef struct T1_BuilderRec_* T1_Builder; + + + typedef FT_Error + (*T1_Builder_Check_Points_Func)( T1_Builder builder, + FT_Int count ); + + typedef void + (*T1_Builder_Add_Point_Func)( T1_Builder builder, + FT_Pos x, + FT_Pos y, + FT_Byte flag ); + + typedef FT_Error + (*T1_Builder_Add_Point1_Func)( T1_Builder builder, + FT_Pos x, + FT_Pos y ); + + typedef FT_Error + (*T1_Builder_Add_Contour_Func)( T1_Builder builder ); + + typedef FT_Error + (*T1_Builder_Start_Point_Func)( T1_Builder builder, + FT_Pos x, + FT_Pos y ); + + typedef void + (*T1_Builder_Close_Contour_Func)( T1_Builder builder ); + + + typedef const struct T1_Builder_FuncsRec_* T1_Builder_Funcs; + + typedef struct T1_Builder_FuncsRec_ + { + void + (*init)( T1_Builder builder, + FT_Face face, + FT_Size size, + FT_GlyphSlot slot, + FT_Bool hinting ); + + void + (*done)( T1_Builder builder ); + + T1_Builder_Check_Points_Func check_points; + T1_Builder_Add_Point_Func add_point; + T1_Builder_Add_Point1_Func add_point1; + T1_Builder_Add_Contour_Func add_contour; + T1_Builder_Start_Point_Func start_point; + T1_Builder_Close_Contour_Func close_contour; + + } T1_Builder_FuncsRec; + + + /* an enumeration type to handle charstring parsing states */ + typedef enum T1_ParseState_ + { + T1_Parse_Start, + T1_Parse_Have_Width, + T1_Parse_Have_Moveto, + T1_Parse_Have_Path + + } T1_ParseState; + + + /*************************************************************************/ + /* */ + /* <Structure> */ + /* T1_BuilderRec */ + /* */ + /* <Description> */ + /* A structure used during glyph loading to store its outline. */ + /* */ + /* <Fields> */ + /* memory :: The current memory object. */ + /* */ + /* face :: The current face object. */ + /* */ + /* glyph :: The current glyph slot. */ + /* */ + /* loader :: XXX */ + /* */ + /* base :: The base glyph outline. */ + /* */ + /* current :: The current glyph outline. */ + /* */ + /* max_points :: maximum points in builder outline */ + /* */ + /* max_contours :: Maximum number of contours in builder outline. */ + /* */ + /* pos_x :: The horizontal translation (if composite glyph). */ + /* */ + /* pos_y :: The vertical translation (if composite glyph). */ + /* */ + /* left_bearing :: The left side bearing point. */ + /* */ + /* advance :: The horizontal advance vector. */ + /* */ + /* bbox :: Unused. */ + /* */ + /* parse_state :: An enumeration which controls the charstring */ + /* parsing state. */ + /* */ + /* load_points :: If this flag is not set, no points are loaded. */ + /* */ + /* no_recurse :: Set but not used. */ + /* */ + /* metrics_only :: A boolean indicating that we only want to compute */ + /* the metrics of a given glyph, not load all of its */ + /* points. */ + /* */ + /* funcs :: An array of function pointers for the builder. */ + /* */ + typedef struct T1_BuilderRec_ + { + FT_Memory memory; + FT_Face face; + FT_GlyphSlot glyph; + FT_GlyphLoader loader; + FT_Outline* base; + FT_Outline* current; + + FT_Pos pos_x; + FT_Pos pos_y; + + FT_Vector left_bearing; + FT_Vector advance; + + FT_BBox bbox; /* bounding box */ + T1_ParseState parse_state; + FT_Bool load_points; + FT_Bool no_recurse; + + FT_Bool metrics_only; + + void* hints_funcs; /* hinter-specific */ + void* hints_globals; /* hinter-specific */ + + T1_Builder_FuncsRec funcs; + + } T1_BuilderRec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1 DECODER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#if 0 + + /*************************************************************************/ + /* */ + /* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine */ + /* calls during glyph loading. */ + /* */ +#define T1_MAX_SUBRS_CALLS 8 + + + /*************************************************************************/ + /* */ + /* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity. A */ + /* minimum of 16 is required. */ + /* */ +#define T1_MAX_CHARSTRINGS_OPERANDS 32 + +#endif /* 0 */ + + + typedef struct T1_Decoder_ZoneRec_ + { + FT_Byte* cursor; + FT_Byte* base; + FT_Byte* limit; + + } T1_Decoder_ZoneRec, *T1_Decoder_Zone; + + + typedef struct T1_DecoderRec_* T1_Decoder; + typedef const struct T1_Decoder_FuncsRec_* T1_Decoder_Funcs; + + + typedef FT_Error + (*T1_Decoder_Callback)( T1_Decoder decoder, + FT_UInt glyph_index ); + + + typedef struct T1_Decoder_FuncsRec_ + { + FT_Error + (*init)( T1_Decoder decoder, + FT_Face face, + FT_Size size, + FT_GlyphSlot slot, + FT_Byte** glyph_names, + PS_Blend blend, + FT_Bool hinting, + FT_Render_Mode hint_mode, + T1_Decoder_Callback callback ); + + void + (*done)( T1_Decoder decoder ); + +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + FT_Error + (*parse_charstrings_old)( T1_Decoder decoder, + FT_Byte* base, + FT_UInt len ); +#else + FT_Error + (*parse_metrics)( T1_Decoder decoder, + FT_Byte* base, + FT_UInt len ); +#endif + + FT_Error + (*parse_charstrings)( PS_Decoder* decoder, + FT_Byte* charstring_base, + FT_ULong charstring_len ); + + + } T1_Decoder_FuncsRec; + + + typedef struct T1_DecoderRec_ + { + T1_BuilderRec builder; + + FT_Long stack[T1_MAX_CHARSTRINGS_OPERANDS]; + FT_Long* top; + + T1_Decoder_ZoneRec zones[T1_MAX_SUBRS_CALLS + 1]; + T1_Decoder_Zone zone; + + FT_Service_PsCMaps psnames; /* for seac */ + FT_UInt num_glyphs; + FT_Byte** glyph_names; + + FT_Int lenIV; /* internal for sub routine calls */ + FT_Int num_subrs; + FT_Byte** subrs; + FT_UInt* subrs_len; /* array of subrs length (optional) */ + FT_Hash subrs_hash; /* used if `num_subrs' was massaged */ + + FT_Matrix font_matrix; + FT_Vector font_offset; + + FT_Int flex_state; + FT_Int num_flex_vectors; + FT_Vector flex_vectors[7]; + + PS_Blend blend; /* for multiple master support */ + + FT_Render_Mode hint_mode; + + T1_Decoder_Callback parse_callback; + T1_Decoder_FuncsRec funcs; + + FT_Long* buildchar; + FT_UInt len_buildchar; + + FT_Bool seac; + + FT_Generic cf2_instance; + + } T1_DecoderRec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** CFF BUILDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + typedef struct CFF_Builder_ CFF_Builder; + + + typedef FT_Error + (*CFF_Builder_Check_Points_Func)( CFF_Builder* builder, + FT_Int count ); + + typedef void + (*CFF_Builder_Add_Point_Func)( CFF_Builder* builder, + FT_Pos x, + FT_Pos y, + FT_Byte flag ); + typedef FT_Error + (*CFF_Builder_Add_Point1_Func)( CFF_Builder* builder, + FT_Pos x, + FT_Pos y ); + typedef FT_Error + (*CFF_Builder_Start_Point_Func)( CFF_Builder* builder, + FT_Pos x, + FT_Pos y ); + typedef void + (*CFF_Builder_Close_Contour_Func)( CFF_Builder* builder ); + + typedef FT_Error + (*CFF_Builder_Add_Contour_Func)( CFF_Builder* builder ); + + typedef const struct CFF_Builder_FuncsRec_* CFF_Builder_Funcs; + + typedef struct CFF_Builder_FuncsRec_ + { + void + (*init)( CFF_Builder* builder, + TT_Face face, + CFF_Size size, + CFF_GlyphSlot glyph, + FT_Bool hinting ); + + void + (*done)( CFF_Builder* builder ); + + CFF_Builder_Check_Points_Func check_points; + CFF_Builder_Add_Point_Func add_point; + CFF_Builder_Add_Point1_Func add_point1; + CFF_Builder_Add_Contour_Func add_contour; + CFF_Builder_Start_Point_Func start_point; + CFF_Builder_Close_Contour_Func close_contour; + + } CFF_Builder_FuncsRec; + + + /*************************************************************************/ + /* */ + /* <Structure> */ + /* CFF_Builder */ + /* */ + /* <Description> */ + /* A structure used during glyph loading to store its outline. */ + /* */ + /* <Fields> */ + /* memory :: The current memory object. */ + /* */ + /* face :: The current face object. */ + /* */ + /* glyph :: The current glyph slot. */ + /* */ + /* loader :: The current glyph loader. */ + /* */ + /* base :: The base glyph outline. */ + /* */ + /* current :: The current glyph outline. */ + /* */ + /* pos_x :: The horizontal translation (if composite glyph). */ + /* */ + /* pos_y :: The vertical translation (if composite glyph). */ + /* */ + /* left_bearing :: The left side bearing point. */ + /* */ + /* advance :: The horizontal advance vector. */ + /* */ + /* bbox :: Unused. */ + /* */ + /* path_begun :: A flag which indicates that a new path has begun. */ + /* */ + /* load_points :: If this flag is not set, no points are loaded. */ + /* */ + /* no_recurse :: Set but not used. */ + /* */ + /* metrics_only :: A boolean indicating that we only want to compute */ + /* the metrics of a given glyph, not load all of its */ + /* points. */ + /* */ + /* hints_funcs :: Auxiliary pointer for hinting. */ + /* */ + /* hints_globals :: Auxiliary pointer for hinting. */ + /* */ + /* funcs :: A table of method pointers for this object. */ + /* */ + struct CFF_Builder_ + { + FT_Memory memory; + TT_Face face; + CFF_GlyphSlot glyph; + FT_GlyphLoader loader; + FT_Outline* base; + FT_Outline* current; + + FT_Pos pos_x; + FT_Pos pos_y; + + FT_Vector left_bearing; + FT_Vector advance; + + FT_BBox bbox; /* bounding box */ + + FT_Bool path_begun; + FT_Bool load_points; + FT_Bool no_recurse; + + FT_Bool metrics_only; + + void* hints_funcs; /* hinter-specific */ + void* hints_globals; /* hinter-specific */ + + CFF_Builder_FuncsRec funcs; + }; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** CFF DECODER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + +#define CFF_MAX_OPERANDS 48 +#define CFF_MAX_SUBRS_CALLS 16 /* maximum subroutine nesting; */ + /* only 10 are allowed but there exist */ + /* fonts like `HiraKakuProN-W3.ttf' */ + /* (Hiragino Kaku Gothic ProN W3; */ + /* 8.2d6e1; 2014-12-19) that exceed */ + /* this limit */ +#define CFF_MAX_TRANS_ELEMENTS 32 + + /* execution context charstring zone */ + + typedef struct CFF_Decoder_Zone_ + { + FT_Byte* base; + FT_Byte* limit; + FT_Byte* cursor; + + } CFF_Decoder_Zone; + + + typedef struct CFF_Decoder_ + { + CFF_Builder builder; + CFF_Font cff; + + FT_Fixed stack[CFF_MAX_OPERANDS + 1]; + FT_Fixed* top; + + CFF_Decoder_Zone zones[CFF_MAX_SUBRS_CALLS + 1]; + CFF_Decoder_Zone* zone; + + FT_Int flex_state; + FT_Int num_flex_vectors; + FT_Vector flex_vectors[7]; + + FT_Pos glyph_width; + FT_Pos nominal_width; + + FT_Bool read_width; + FT_Bool width_only; + FT_Int num_hints; + FT_Fixed buildchar[CFF_MAX_TRANS_ELEMENTS]; + + FT_UInt num_locals; + FT_UInt num_globals; + + FT_Int locals_bias; + FT_Int globals_bias; + + FT_Byte** locals; + FT_Byte** globals; + + FT_Byte** glyph_names; /* for pure CFF fonts only */ + FT_UInt num_glyphs; /* number of glyphs in font */ + + FT_Render_Mode hint_mode; + + FT_Bool seac; + + CFF_SubFont current_subfont; /* for current glyph_index */ + + CFF_Decoder_Get_Glyph_Callback get_glyph_callback; + CFF_Decoder_Free_Glyph_Callback free_glyph_callback; + + } CFF_Decoder; + + + typedef const struct CFF_Decoder_FuncsRec_* CFF_Decoder_Funcs; + + typedef struct CFF_Decoder_FuncsRec_ + { + void + (*init)( CFF_Decoder* decoder, + TT_Face face, + CFF_Size size, + CFF_GlyphSlot slot, + FT_Bool hinting, + FT_Render_Mode hint_mode, + CFF_Decoder_Get_Glyph_Callback get_callback, + CFF_Decoder_Free_Glyph_Callback free_callback ); + + FT_Error + (*prepare)( CFF_Decoder* decoder, + CFF_Size size, + FT_UInt glyph_index ); + +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + FT_Error + (*parse_charstrings_old)( CFF_Decoder* decoder, + FT_Byte* charstring_base, + FT_ULong charstring_len, + FT_Bool in_dict ); +#endif + + FT_Error + (*parse_charstrings)( PS_Decoder* decoder, + FT_Byte* charstring_base, + FT_ULong charstring_len ); + + } CFF_Decoder_FuncsRec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** AFM PARSER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef struct AFM_ParserRec_* AFM_Parser; + + typedef struct AFM_Parser_FuncsRec_ + { + FT_Error + (*init)( AFM_Parser parser, + FT_Memory memory, + FT_Byte* base, + FT_Byte* limit ); + + void + (*done)( AFM_Parser parser ); + + FT_Error + (*parse)( AFM_Parser parser ); + + } AFM_Parser_FuncsRec; + + + typedef struct AFM_StreamRec_* AFM_Stream; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* AFM_ParserRec */ + /* */ + /* <Description> */ + /* An AFM_Parser is a parser for the AFM files. */ + /* */ + /* <Fields> */ + /* memory :: The object used for memory operations (alloc and */ + /* realloc). */ + /* */ + /* stream :: This is an opaque object. */ + /* */ + /* FontInfo :: The result will be stored here. */ + /* */ + /* get_index :: A user provided function to get a glyph index by its */ + /* name. */ + /* */ + typedef struct AFM_ParserRec_ + { + FT_Memory memory; + AFM_Stream stream; + + AFM_FontInfo FontInfo; + + FT_Int + (*get_index)( const char* name, + FT_Offset len, + void* user_data ); + + void* user_data; + + } AFM_ParserRec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE1 CHARMAPS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef const struct T1_CMap_ClassesRec_* T1_CMap_Classes; + + typedef struct T1_CMap_ClassesRec_ + { + FT_CMap_Class standard; + FT_CMap_Class expert; + FT_CMap_Class custom; + FT_CMap_Class unicode; + + } T1_CMap_ClassesRec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PSAux Module Interface *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef struct PSAux_ServiceRec_ + { + /* don't use `PS_Table_Funcs' and friends to avoid compiler warnings */ + const PS_Table_FuncsRec* ps_table_funcs; + const PS_Parser_FuncsRec* ps_parser_funcs; + const T1_Builder_FuncsRec* t1_builder_funcs; + const T1_Decoder_FuncsRec* t1_decoder_funcs; + + void + (*t1_decrypt)( FT_Byte* buffer, + FT_Offset length, + FT_UShort seed ); + + FT_UInt32 + (*cff_random)( FT_UInt32 r ); + + void + (*ps_decoder_init)( PS_Decoder* ps_decoder, + void* decoder, + FT_Bool is_t1 ); + + void + (*t1_make_subfont)( FT_Face face, + PS_Private priv, + CFF_SubFont subfont ); + + T1_CMap_Classes t1_cmap_classes; + + /* fields after this comment line were added after version 2.1.10 */ + const AFM_Parser_FuncsRec* afm_parser_funcs; + + const CFF_Decoder_FuncsRec* cff_decoder_funcs; + + } PSAux_ServiceRec, *PSAux_Service; + + /* backward compatible type definition */ + typedef PSAux_ServiceRec PSAux_Interface; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** Some convenience functions *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#define IS_PS_NEWLINE( ch ) \ + ( (ch) == '\r' || \ + (ch) == '\n' ) + +#define IS_PS_SPACE( ch ) \ + ( (ch) == ' ' || \ + IS_PS_NEWLINE( ch ) || \ + (ch) == '\t' || \ + (ch) == '\f' || \ + (ch) == '\0' ) + +#define IS_PS_SPECIAL( ch ) \ + ( (ch) == '/' || \ + (ch) == '(' || (ch) == ')' || \ + (ch) == '<' || (ch) == '>' || \ + (ch) == '[' || (ch) == ']' || \ + (ch) == '{' || (ch) == '}' || \ + (ch) == '%' ) + +#define IS_PS_DELIM( ch ) \ + ( IS_PS_SPACE( ch ) || \ + IS_PS_SPECIAL( ch ) ) + +#define IS_PS_DIGIT( ch ) \ + ( (ch) >= '0' && (ch) <= '9' ) + +#define IS_PS_XDIGIT( ch ) \ + ( IS_PS_DIGIT( ch ) || \ + ( (ch) >= 'A' && (ch) <= 'F' ) || \ + ( (ch) >= 'a' && (ch) <= 'f' ) ) + +#define IS_PS_BASE85( ch ) \ + ( (ch) >= '!' && (ch) <= 'u' ) + +#define IS_PS_TOKEN( cur, limit, token ) \ + ( (char)(cur)[0] == (token)[0] && \ + ( (cur) + sizeof ( (token) ) == (limit) || \ + ( (cur) + sizeof( (token) ) < (limit) && \ + IS_PS_DELIM( (cur)[sizeof ( (token) ) - 1] ) ) ) && \ + ft_strncmp( (char*)(cur), (token), sizeof ( (token) ) - 1 ) == 0 ) + + +FT_END_HEADER + +#endif /* PSAUX_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/pshints.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/pshints.h new file mode 100644 index 00000000000..d29314ec2ef --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/pshints.h @@ -0,0 +1,722 @@ +/***************************************************************************/ +/* */ +/* pshints.h */ +/* */ +/* Interface to Postscript-specific (Type 1 and Type 2) hints */ +/* recorders (specification only). These are used to support native */ +/* T1/T2 hints in the `type1', `cid', and `cff' font drivers. */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSHINTS_H_ +#define PSHINTS_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_TYPE1_TABLES_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** INTERNAL REPRESENTATION OF GLOBALS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef struct PSH_GlobalsRec_* PSH_Globals; + + typedef FT_Error + (*PSH_Globals_NewFunc)( FT_Memory memory, + T1_Private* private_dict, + PSH_Globals* aglobals ); + + typedef void + (*PSH_Globals_SetScaleFunc)( PSH_Globals globals, + FT_Fixed x_scale, + FT_Fixed y_scale, + FT_Fixed x_delta, + FT_Fixed y_delta ); + + typedef void + (*PSH_Globals_DestroyFunc)( PSH_Globals globals ); + + + typedef struct PSH_Globals_FuncsRec_ + { + PSH_Globals_NewFunc create; + PSH_Globals_SetScaleFunc set_scale; + PSH_Globals_DestroyFunc destroy; + + } PSH_Globals_FuncsRec, *PSH_Globals_Funcs; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PUBLIC TYPE 1 HINTS RECORDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /************************************************************************* + * + * @type: + * T1_Hints + * + * @description: + * This is a handle to an opaque structure used to record glyph hints + * from a Type 1 character glyph character string. + * + * The methods used to operate on this object are defined by the + * @T1_Hints_FuncsRec structure. Recording glyph hints is normally + * achieved through the following scheme: + * + * - Open a new hint recording session by calling the `open' method. + * This rewinds the recorder and prepare it for new input. + * + * - For each hint found in the glyph charstring, call the corresponding + * method (`stem', `stem3', or `reset'). Note that these functions do + * not return an error code. + * + * - Close the recording session by calling the `close' method. It + * returns an error code if the hints were invalid or something + * strange happened (e.g., memory shortage). + * + * The hints accumulated in the object can later be used by the + * PostScript hinter. + * + */ + typedef struct T1_HintsRec_* T1_Hints; + + + /************************************************************************* + * + * @type: + * T1_Hints_Funcs + * + * @description: + * A pointer to the @T1_Hints_FuncsRec structure that defines the API of + * a given @T1_Hints object. + * + */ + typedef const struct T1_Hints_FuncsRec_* T1_Hints_Funcs; + + + /************************************************************************* + * + * @functype: + * T1_Hints_OpenFunc + * + * @description: + * A method of the @T1_Hints class used to prepare it for a new Type 1 + * hints recording session. + * + * @input: + * hints :: + * A handle to the Type 1 hints recorder. + * + * @note: + * You should always call the @T1_Hints_CloseFunc method in order to + * close an opened recording session. + * + */ + typedef void + (*T1_Hints_OpenFunc)( T1_Hints hints ); + + + /************************************************************************* + * + * @functype: + * T1_Hints_SetStemFunc + * + * @description: + * A method of the @T1_Hints class used to record a new horizontal or + * vertical stem. This corresponds to the Type 1 `hstem' and `vstem' + * operators. + * + * @input: + * hints :: + * A handle to the Type 1 hints recorder. + * + * dimension :: + * 0 for horizontal stems (hstem), 1 for vertical ones (vstem). + * + * coords :: + * Array of 2 coordinates in 16.16 format, used as (position,length) + * stem descriptor. + * + * @note: + * Use vertical coordinates (y) for horizontal stems (dim=0). Use + * horizontal coordinates (x) for vertical stems (dim=1). + * + * `coords[0]' is the absolute stem position (lowest coordinate); + * `coords[1]' is the length. + * + * The length can be negative, in which case it must be either -20 or + * -21. It is interpreted as a `ghost' stem, according to the Type 1 + * specification. + * + * If the length is -21 (corresponding to a bottom ghost stem), then + * the real stem position is `coords[0]+coords[1]'. + * + */ + typedef void + (*T1_Hints_SetStemFunc)( T1_Hints hints, + FT_UInt dimension, + FT_Fixed* coords ); + + + /************************************************************************* + * + * @functype: + * T1_Hints_SetStem3Func + * + * @description: + * A method of the @T1_Hints class used to record three + * counter-controlled horizontal or vertical stems at once. + * + * @input: + * hints :: + * A handle to the Type 1 hints recorder. + * + * dimension :: + * 0 for horizontal stems, 1 for vertical ones. + * + * coords :: + * An array of 6 values in 16.16 format, holding 3 (position,length) + * pairs for the counter-controlled stems. + * + * @note: + * Use vertical coordinates (y) for horizontal stems (dim=0). Use + * horizontal coordinates (x) for vertical stems (dim=1). + * + * The lengths cannot be negative (ghost stems are never + * counter-controlled). + * + */ + typedef void + (*T1_Hints_SetStem3Func)( T1_Hints hints, + FT_UInt dimension, + FT_Fixed* coords ); + + + /************************************************************************* + * + * @functype: + * T1_Hints_ResetFunc + * + * @description: + * A method of the @T1_Hints class used to reset the stems hints in a + * recording session. + * + * @input: + * hints :: + * A handle to the Type 1 hints recorder. + * + * end_point :: + * The index of the last point in the input glyph in which the + * previously defined hints apply. + * + */ + typedef void + (*T1_Hints_ResetFunc)( T1_Hints hints, + FT_UInt end_point ); + + + /************************************************************************* + * + * @functype: + * T1_Hints_CloseFunc + * + * @description: + * A method of the @T1_Hints class used to close a hint recording + * session. + * + * @input: + * hints :: + * A handle to the Type 1 hints recorder. + * + * end_point :: + * The index of the last point in the input glyph. + * + * @return: + * FreeType error code. 0 means success. + * + * @note: + * The error code is set to indicate that an error occurred during the + * recording session. + * + */ + typedef FT_Error + (*T1_Hints_CloseFunc)( T1_Hints hints, + FT_UInt end_point ); + + + /************************************************************************* + * + * @functype: + * T1_Hints_ApplyFunc + * + * @description: + * A method of the @T1_Hints class used to apply hints to the + * corresponding glyph outline. Must be called once all hints have been + * recorded. + * + * @input: + * hints :: + * A handle to the Type 1 hints recorder. + * + * outline :: + * A pointer to the target outline descriptor. + * + * globals :: + * The hinter globals for this font. + * + * hint_mode :: + * Hinting information. + * + * @return: + * FreeType error code. 0 means success. + * + * @note: + * On input, all points within the outline are in font coordinates. On + * output, they are in 1/64th of pixels. + * + * The scaling transformation is taken from the `globals' object which + * must correspond to the same font as the glyph. + * + */ + typedef FT_Error + (*T1_Hints_ApplyFunc)( T1_Hints hints, + FT_Outline* outline, + PSH_Globals globals, + FT_Render_Mode hint_mode ); + + + /************************************************************************* + * + * @struct: + * T1_Hints_FuncsRec + * + * @description: + * The structure used to provide the API to @T1_Hints objects. + * + * @fields: + * hints :: + * A handle to the T1 Hints recorder. + * + * open :: + * The function to open a recording session. + * + * close :: + * The function to close a recording session. + * + * stem :: + * The function to set a simple stem. + * + * stem3 :: + * The function to set counter-controlled stems. + * + * reset :: + * The function to reset stem hints. + * + * apply :: + * The function to apply the hints to the corresponding glyph outline. + * + */ + typedef struct T1_Hints_FuncsRec_ + { + T1_Hints hints; + T1_Hints_OpenFunc open; + T1_Hints_CloseFunc close; + T1_Hints_SetStemFunc stem; + T1_Hints_SetStem3Func stem3; + T1_Hints_ResetFunc reset; + T1_Hints_ApplyFunc apply; + + } T1_Hints_FuncsRec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PUBLIC TYPE 2 HINTS RECORDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /************************************************************************* + * + * @type: + * T2_Hints + * + * @description: + * This is a handle to an opaque structure used to record glyph hints + * from a Type 2 character glyph character string. + * + * The methods used to operate on this object are defined by the + * @T2_Hints_FuncsRec structure. Recording glyph hints is normally + * achieved through the following scheme: + * + * - Open a new hint recording session by calling the `open' method. + * This rewinds the recorder and prepare it for new input. + * + * - For each hint found in the glyph charstring, call the corresponding + * method (`stems', `hintmask', `counters'). Note that these + * functions do not return an error code. + * + * - Close the recording session by calling the `close' method. It + * returns an error code if the hints were invalid or something + * strange happened (e.g., memory shortage). + * + * The hints accumulated in the object can later be used by the + * Postscript hinter. + * + */ + typedef struct T2_HintsRec_* T2_Hints; + + + /************************************************************************* + * + * @type: + * T2_Hints_Funcs + * + * @description: + * A pointer to the @T2_Hints_FuncsRec structure that defines the API of + * a given @T2_Hints object. + * + */ + typedef const struct T2_Hints_FuncsRec_* T2_Hints_Funcs; + + + /************************************************************************* + * + * @functype: + * T2_Hints_OpenFunc + * + * @description: + * A method of the @T2_Hints class used to prepare it for a new Type 2 + * hints recording session. + * + * @input: + * hints :: + * A handle to the Type 2 hints recorder. + * + * @note: + * You should always call the @T2_Hints_CloseFunc method in order to + * close an opened recording session. + * + */ + typedef void + (*T2_Hints_OpenFunc)( T2_Hints hints ); + + + /************************************************************************* + * + * @functype: + * T2_Hints_StemsFunc + * + * @description: + * A method of the @T2_Hints class used to set the table of stems in + * either the vertical or horizontal dimension. Equivalent to the + * `hstem', `vstem', `hstemhm', and `vstemhm' Type 2 operators. + * + * @input: + * hints :: + * A handle to the Type 2 hints recorder. + * + * dimension :: + * 0 for horizontal stems (hstem), 1 for vertical ones (vstem). + * + * count :: + * The number of stems. + * + * coords :: + * An array of `count' (position,length) pairs in 16.16 format. + * + * @note: + * Use vertical coordinates (y) for horizontal stems (dim=0). Use + * horizontal coordinates (x) for vertical stems (dim=1). + * + * There are `2*count' elements in the `coords' array. Each even + * element is an absolute position in font units, each odd element is a + * length in font units. + * + * A length can be negative, in which case it must be either -20 or + * -21. It is interpreted as a `ghost' stem, according to the Type 1 + * specification. + * + */ + typedef void + (*T2_Hints_StemsFunc)( T2_Hints hints, + FT_UInt dimension, + FT_Int count, + FT_Fixed* coordinates ); + + + /************************************************************************* + * + * @functype: + * T2_Hints_MaskFunc + * + * @description: + * A method of the @T2_Hints class used to set a given hintmask (this + * corresponds to the `hintmask' Type 2 operator). + * + * @input: + * hints :: + * A handle to the Type 2 hints recorder. + * + * end_point :: + * The glyph index of the last point to which the previously defined + * or activated hints apply. + * + * bit_count :: + * The number of bits in the hint mask. + * + * bytes :: + * An array of bytes modelling the hint mask. + * + * @note: + * If the hintmask starts the charstring (before any glyph point + * definition), the value of `end_point' should be 0. + * + * `bit_count' is the number of meaningful bits in the `bytes' array; it + * must be equal to the total number of hints defined so far (i.e., + * horizontal+verticals). + * + * The `bytes' array can come directly from the Type 2 charstring and + * respects the same format. + * + */ + typedef void + (*T2_Hints_MaskFunc)( T2_Hints hints, + FT_UInt end_point, + FT_UInt bit_count, + const FT_Byte* bytes ); + + + /************************************************************************* + * + * @functype: + * T2_Hints_CounterFunc + * + * @description: + * A method of the @T2_Hints class used to set a given counter mask + * (this corresponds to the `hintmask' Type 2 operator). + * + * @input: + * hints :: + * A handle to the Type 2 hints recorder. + * + * end_point :: + * A glyph index of the last point to which the previously defined or + * active hints apply. + * + * bit_count :: + * The number of bits in the hint mask. + * + * bytes :: + * An array of bytes modelling the hint mask. + * + * @note: + * If the hintmask starts the charstring (before any glyph point + * definition), the value of `end_point' should be 0. + * + * `bit_count' is the number of meaningful bits in the `bytes' array; it + * must be equal to the total number of hints defined so far (i.e., + * horizontal+verticals). + * + * The `bytes' array can come directly from the Type 2 charstring and + * respects the same format. + * + */ + typedef void + (*T2_Hints_CounterFunc)( T2_Hints hints, + FT_UInt bit_count, + const FT_Byte* bytes ); + + + /************************************************************************* + * + * @functype: + * T2_Hints_CloseFunc + * + * @description: + * A method of the @T2_Hints class used to close a hint recording + * session. + * + * @input: + * hints :: + * A handle to the Type 2 hints recorder. + * + * end_point :: + * The index of the last point in the input glyph. + * + * @return: + * FreeType error code. 0 means success. + * + * @note: + * The error code is set to indicate that an error occurred during the + * recording session. + * + */ + typedef FT_Error + (*T2_Hints_CloseFunc)( T2_Hints hints, + FT_UInt end_point ); + + + /************************************************************************* + * + * @functype: + * T2_Hints_ApplyFunc + * + * @description: + * A method of the @T2_Hints class used to apply hints to the + * corresponding glyph outline. Must be called after the `close' + * method. + * + * @input: + * hints :: + * A handle to the Type 2 hints recorder. + * + * outline :: + * A pointer to the target outline descriptor. + * + * globals :: + * The hinter globals for this font. + * + * hint_mode :: + * Hinting information. + * + * @return: + * FreeType error code. 0 means success. + * + * @note: + * On input, all points within the outline are in font coordinates. On + * output, they are in 1/64th of pixels. + * + * The scaling transformation is taken from the `globals' object which + * must correspond to the same font than the glyph. + * + */ + typedef FT_Error + (*T2_Hints_ApplyFunc)( T2_Hints hints, + FT_Outline* outline, + PSH_Globals globals, + FT_Render_Mode hint_mode ); + + + /************************************************************************* + * + * @struct: + * T2_Hints_FuncsRec + * + * @description: + * The structure used to provide the API to @T2_Hints objects. + * + * @fields: + * hints :: + * A handle to the T2 hints recorder object. + * + * open :: + * The function to open a recording session. + * + * close :: + * The function to close a recording session. + * + * stems :: + * The function to set the dimension's stems table. + * + * hintmask :: + * The function to set hint masks. + * + * counter :: + * The function to set counter masks. + * + * apply :: + * The function to apply the hints on the corresponding glyph outline. + * + */ + typedef struct T2_Hints_FuncsRec_ + { + T2_Hints hints; + T2_Hints_OpenFunc open; + T2_Hints_CloseFunc close; + T2_Hints_StemsFunc stems; + T2_Hints_MaskFunc hintmask; + T2_Hints_CounterFunc counter; + T2_Hints_ApplyFunc apply; + + } T2_Hints_FuncsRec; + + + /* */ + + + typedef struct PSHinter_Interface_ + { + PSH_Globals_Funcs (*get_globals_funcs)( FT_Module module ); + T1_Hints_Funcs (*get_t1_funcs) ( FT_Module module ); + T2_Hints_Funcs (*get_t2_funcs) ( FT_Module module ); + + } PSHinter_Interface; + + typedef PSHinter_Interface* PSHinter_Service; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_PSHINTER_INTERFACE( \ + class_, \ + get_globals_funcs_, \ + get_t1_funcs_, \ + get_t2_funcs_ ) \ + static const PSHinter_Interface class_ = \ + { \ + get_globals_funcs_, \ + get_t1_funcs_, \ + get_t2_funcs_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_PSHINTER_INTERFACE( \ + class_, \ + get_globals_funcs_, \ + get_t1_funcs_, \ + get_t2_funcs_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + PSHinter_Interface* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->get_globals_funcs = get_globals_funcs_; \ + clazz->get_t1_funcs = get_t1_funcs_; \ + clazz->get_t2_funcs = get_t2_funcs_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + +FT_END_HEADER + +#endif /* PSHINTS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svbdf.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svbdf.h new file mode 100644 index 00000000000..4a9ec200755 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svbdf.h @@ -0,0 +1,82 @@ +/***************************************************************************/ +/* */ +/* svbdf.h */ +/* */ +/* The FreeType BDF services (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVBDF_H_ +#define SVBDF_H_ + +#include FT_BDF_H +#include FT_INTERNAL_SERVICE_H + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_BDF "bdf" + + typedef FT_Error + (*FT_BDF_GetCharsetIdFunc)( FT_Face face, + const char* *acharset_encoding, + const char* *acharset_registry ); + + typedef FT_Error + (*FT_BDF_GetPropertyFunc)( FT_Face face, + const char* prop_name, + BDF_PropertyRec *aproperty ); + + + FT_DEFINE_SERVICE( BDF ) + { + FT_BDF_GetCharsetIdFunc get_charset_id; + FT_BDF_GetPropertyFunc get_property; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_BDFRec( class_, \ + get_charset_id_, \ + get_property_ ) \ + static const FT_Service_BDFRec class_ = \ + { \ + get_charset_id_, get_property_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_BDFRec( class_, \ + get_charset_id_, \ + get_property_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Service_BDFRec* clazz ) \ + { \ + clazz->get_charset_id = get_charset_id_; \ + clazz->get_property = get_property_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + + +#endif /* SVBDF_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svcfftl.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svcfftl.h new file mode 100644 index 00000000000..db623e68405 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svcfftl.h @@ -0,0 +1,112 @@ +/***************************************************************************/ +/* */ +/* svcfftl.h */ +/* */ +/* The FreeType CFF tables loader service (specification). */ +/* */ +/* Copyright 2017-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVCFFTL_H_ +#define SVCFFTL_H_ + +#include FT_INTERNAL_SERVICE_H +#include FT_INTERNAL_CFF_TYPES_H + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_CFF_LOAD "cff-load" + + + typedef FT_UShort + (*FT_Get_Standard_Encoding_Func)( FT_UInt charcode ); + + typedef FT_Error + (*FT_Load_Private_Dict_Func)( CFF_Font font, + CFF_SubFont subfont, + FT_UInt lenNDV, + FT_Fixed* NDV ); + + typedef FT_Byte + (*FT_FD_Select_Get_Func)( CFF_FDSelect fdselect, + FT_UInt glyph_index ); + + typedef FT_Bool + (*FT_Blend_Check_Vector_Func)( CFF_Blend blend, + FT_UInt vsindex, + FT_UInt lenNDV, + FT_Fixed* NDV ); + + typedef FT_Error + (*FT_Blend_Build_Vector_Func)( CFF_Blend blend, + FT_UInt vsindex, + FT_UInt lenNDV, + FT_Fixed* NDV ); + + + FT_DEFINE_SERVICE( CFFLoad ) + { + FT_Get_Standard_Encoding_Func get_standard_encoding; + FT_Load_Private_Dict_Func load_private_dict; + FT_FD_Select_Get_Func fd_select_get; + FT_Blend_Check_Vector_Func blend_check_vector; + FT_Blend_Build_Vector_Func blend_build_vector; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_CFFLOADREC( class_, \ + get_standard_encoding_, \ + load_private_dict_, \ + fd_select_get_, \ + blend_check_vector_, \ + blend_build_vector_ ) \ + static const FT_Service_CFFLoadRec class_ = \ + { \ + get_standard_encoding_, \ + load_private_dict_, \ + fd_select_get_, \ + blend_check_vector_, \ + blend_build_vector_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_CFFLOADREC( class_, \ + get_standard_encoding_, \ + load_private_dict_, \ + fd_select_get_, \ + blend_check_vector_, \ + blend_build_vector_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Service_CFFLoadRec* clazz ) \ + { \ + clazz->get_standard_encoding = get_standard_encoding_; \ + clazz->load_private_dict = load_private_dict_; \ + clazz->fd_select_get = fd_select_get_; \ + clazz->blend_check_vector = blend_check_vector_; \ + clazz->blend_build_vector = blend_build_vector_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +FT_END_HEADER + + +#endif + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svcid.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svcid.h new file mode 100644 index 00000000000..cb59ac6a295 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svcid.h @@ -0,0 +1,90 @@ +/***************************************************************************/ +/* */ +/* svcid.h */ +/* */ +/* The FreeType CID font services (specification). */ +/* */ +/* Copyright 2007-2018 by */ +/* Derek Clegg and Michael Toftdal. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVCID_H_ +#define SVCID_H_ + +#include FT_INTERNAL_SERVICE_H + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_CID "CID" + + typedef FT_Error + (*FT_CID_GetRegistryOrderingSupplementFunc)( FT_Face face, + const char* *registry, + const char* *ordering, + FT_Int *supplement ); + typedef FT_Error + (*FT_CID_GetIsInternallyCIDKeyedFunc)( FT_Face face, + FT_Bool *is_cid ); + typedef FT_Error + (*FT_CID_GetCIDFromGlyphIndexFunc)( FT_Face face, + FT_UInt glyph_index, + FT_UInt *cid ); + + FT_DEFINE_SERVICE( CID ) + { + FT_CID_GetRegistryOrderingSupplementFunc get_ros; + FT_CID_GetIsInternallyCIDKeyedFunc get_is_cid; + FT_CID_GetCIDFromGlyphIndexFunc get_cid_from_glyph_index; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_CIDREC( class_, \ + get_ros_, \ + get_is_cid_, \ + get_cid_from_glyph_index_ ) \ + static const FT_Service_CIDRec class_ = \ + { \ + get_ros_, get_is_cid_, get_cid_from_glyph_index_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_CIDREC( class_, \ + get_ros_, \ + get_is_cid_, \ + get_cid_from_glyph_index_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + FT_Service_CIDRec* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->get_ros = get_ros_; \ + clazz->get_is_cid = get_is_cid_; \ + clazz->get_cid_from_glyph_index = get_cid_from_glyph_index_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + + +#endif /* SVCID_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svfntfmt.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svfntfmt.h new file mode 100644 index 00000000000..3b732be1a17 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svfntfmt.h @@ -0,0 +1,55 @@ +/***************************************************************************/ +/* */ +/* svfntfmt.h */ +/* */ +/* The FreeType font format service (specification only). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVFNTFMT_H_ +#define SVFNTFMT_H_ + +#include FT_INTERNAL_SERVICE_H + + +FT_BEGIN_HEADER + + + /* + * A trivial service used to return the name of a face's font driver, + * according to the XFree86 nomenclature. Note that the service data + * is a simple constant string pointer. + */ + +#define FT_SERVICE_ID_FONT_FORMAT "font-format" + +#define FT_FONT_FORMAT_TRUETYPE "TrueType" +#define FT_FONT_FORMAT_TYPE_1 "Type 1" +#define FT_FONT_FORMAT_BDF "BDF" +#define FT_FONT_FORMAT_PCF "PCF" +#define FT_FONT_FORMAT_TYPE_42 "Type 42" +#define FT_FONT_FORMAT_CID "CID Type 1" +#define FT_FONT_FORMAT_CFF "CFF" +#define FT_FONT_FORMAT_PFR "PFR" +#define FT_FONT_FORMAT_WINFNT "Windows FNT" + + /* */ + + +FT_END_HEADER + + +#endif /* SVFNTFMT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svgldict.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svgldict.h new file mode 100644 index 00000000000..f1a68e31107 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svgldict.h @@ -0,0 +1,91 @@ +/***************************************************************************/ +/* */ +/* svgldict.h */ +/* */ +/* The FreeType glyph dictionary services (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVGLDICT_H_ +#define SVGLDICT_H_ + +#include FT_INTERNAL_SERVICE_H + + +FT_BEGIN_HEADER + + + /* + * A service used to retrieve glyph names, as well as to find the + * index of a given glyph name in a font. + * + */ + +#define FT_SERVICE_ID_GLYPH_DICT "glyph-dict" + + + typedef FT_Error + (*FT_GlyphDict_GetNameFunc)( FT_Face face, + FT_UInt glyph_index, + FT_Pointer buffer, + FT_UInt buffer_max ); + + typedef FT_UInt + (*FT_GlyphDict_NameIndexFunc)( FT_Face face, + FT_String* glyph_name ); + + + FT_DEFINE_SERVICE( GlyphDict ) + { + FT_GlyphDict_GetNameFunc get_name; + FT_GlyphDict_NameIndexFunc name_index; /* optional */ + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_GLYPHDICTREC( class_, \ + get_name_, \ + name_index_ ) \ + static const FT_Service_GlyphDictRec class_ = \ + { \ + get_name_, name_index_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_GLYPHDICTREC( class_, \ + get_name_, \ + name_index_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + FT_Service_GlyphDictRec* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->get_name = get_name_; \ + clazz->name_index = name_index_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + + +#endif /* SVGLDICT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svgxval.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svgxval.h new file mode 100644 index 00000000000..ed79ebeaa8e --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svgxval.h @@ -0,0 +1,72 @@ +/***************************************************************************/ +/* */ +/* svgxval.h */ +/* */ +/* FreeType API for validating TrueTypeGX/AAT tables (specification). */ +/* */ +/* Copyright 2004-2018 by */ +/* Masatake YAMATO, Red Hat K.K., */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +/***************************************************************************/ +/* */ +/* gxvalid is derived from both gxlayout module and otvalid module. */ +/* Development of gxlayout is supported by the Information-technology */ +/* Promotion Agency(IPA), Japan. */ +/* */ +/***************************************************************************/ + + +#ifndef SVGXVAL_H_ +#define SVGXVAL_H_ + +#include FT_GX_VALIDATE_H +#include FT_INTERNAL_VALIDATE_H + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_GX_VALIDATE "truetypegx-validate" +#define FT_SERVICE_ID_CLASSICKERN_VALIDATE "classickern-validate" + + typedef FT_Error + (*gxv_validate_func)( FT_Face face, + FT_UInt gx_flags, + FT_Bytes tables[FT_VALIDATE_GX_LENGTH], + FT_UInt table_length ); + + + typedef FT_Error + (*ckern_validate_func)( FT_Face face, + FT_UInt ckern_flags, + FT_Bytes *ckern_table ); + + + FT_DEFINE_SERVICE( GXvalidate ) + { + gxv_validate_func validate; + }; + + FT_DEFINE_SERVICE( CKERNvalidate ) + { + ckern_validate_func validate; + }; + + /* */ + + +FT_END_HEADER + + +#endif /* SVGXVAL_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svkern.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svkern.h new file mode 100644 index 00000000000..c7e8f6ef275 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svkern.h @@ -0,0 +1,51 @@ +/***************************************************************************/ +/* */ +/* svkern.h */ +/* */ +/* The FreeType Kerning service (specification). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVKERN_H_ +#define SVKERN_H_ + +#include FT_INTERNAL_SERVICE_H +#include FT_TRUETYPE_TABLES_H + + +FT_BEGIN_HEADER + +#define FT_SERVICE_ID_KERNING "kerning" + + + typedef FT_Error + (*FT_Kerning_TrackGetFunc)( FT_Face face, + FT_Fixed point_size, + FT_Int degree, + FT_Fixed* akerning ); + + FT_DEFINE_SERVICE( Kerning ) + { + FT_Kerning_TrackGetFunc get_track; + }; + + /* */ + + +FT_END_HEADER + + +#endif /* SVKERN_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svmetric.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svmetric.h new file mode 100644 index 00000000000..abaacddbbe7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svmetric.h @@ -0,0 +1,153 @@ +/***************************************************************************/ +/* */ +/* svmetric.h */ +/* */ +/* The FreeType services for metrics variations (specification). */ +/* */ +/* Copyright 2016-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVMETRIC_H_ +#define SVMETRIC_H_ + +#include FT_INTERNAL_SERVICE_H + + +FT_BEGIN_HEADER + + + /* + * A service to manage the `HVAR, `MVAR', and `VVAR' OpenType tables. + * + */ + +#define FT_SERVICE_ID_METRICS_VARIATIONS "metrics-variations" + + + /* HVAR */ + + typedef FT_Error + (*FT_HAdvance_Adjust_Func)( FT_Face face, + FT_UInt gindex, + FT_Int *avalue ); + + typedef FT_Error + (*FT_LSB_Adjust_Func)( FT_Face face, + FT_UInt gindex, + FT_Int *avalue ); + + typedef FT_Error + (*FT_RSB_Adjust_Func)( FT_Face face, + FT_UInt gindex, + FT_Int *avalue ); + + /* VVAR */ + + typedef FT_Error + (*FT_VAdvance_Adjust_Func)( FT_Face face, + FT_UInt gindex, + FT_Int *avalue ); + + typedef FT_Error + (*FT_TSB_Adjust_Func)( FT_Face face, + FT_UInt gindex, + FT_Int *avalue ); + + typedef FT_Error + (*FT_BSB_Adjust_Func)( FT_Face face, + FT_UInt gindex, + FT_Int *avalue ); + + typedef FT_Error + (*FT_VOrg_Adjust_Func)( FT_Face face, + FT_UInt gindex, + FT_Int *avalue ); + + /* MVAR */ + + typedef void + (*FT_Metrics_Adjust_Func)( FT_Face face ); + + + FT_DEFINE_SERVICE( MetricsVariations ) + { + FT_HAdvance_Adjust_Func hadvance_adjust; + FT_LSB_Adjust_Func lsb_adjust; + FT_RSB_Adjust_Func rsb_adjust; + + FT_VAdvance_Adjust_Func vadvance_adjust; + FT_TSB_Adjust_Func tsb_adjust; + FT_BSB_Adjust_Func bsb_adjust; + FT_VOrg_Adjust_Func vorg_adjust; + + FT_Metrics_Adjust_Func metrics_adjust; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_METRICSVARIATIONSREC( class_, \ + hadvance_adjust_, \ + lsb_adjust_, \ + rsb_adjust_, \ + vadvance_adjust_, \ + tsb_adjust_, \ + bsb_adjust_, \ + vorg_adjust_, \ + metrics_adjust_ ) \ + static const FT_Service_MetricsVariationsRec class_ = \ + { \ + hadvance_adjust_, \ + lsb_adjust_, \ + rsb_adjust_, \ + vadvance_adjust_, \ + tsb_adjust_, \ + bsb_adjust_, \ + vorg_adjust_, \ + metrics_adjust_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_METRICSVARIATIONSREC( class_, \ + hadvance_adjust_, \ + lsb_adjust_, \ + rsb_adjust_, \ + vadvance_adjust_, \ + tsb_adjust_, \ + bsb_adjust_, \ + vorg_adjust_, \ + metrics_adjust_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Service_MetricsVariationsRec* clazz ) \ + { \ + clazz->hadvance_adjust = hadvance_adjust_; \ + clazz->lsb_adjust = lsb_adjust_; \ + clazz->rsb_adjust = rsb_adjust_; \ + clazz->vadvance_adjust = vadvance_adjust_; \ + clazz->tsb_adjust = tsb_adjust_; \ + clazz->bsb_adjust = bsb_adjust_; \ + clazz->vorg_adjust = vorg_adjust_; \ + clazz->metrics_adjust = metrics_adjust_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + +#endif /* SVMETRIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svmm.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svmm.h new file mode 100644 index 00000000000..bcbb38e2ce2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svmm.h @@ -0,0 +1,172 @@ +/***************************************************************************/ +/* */ +/* svmm.h */ +/* */ +/* The FreeType Multiple Masters and GX var services (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVMM_H_ +#define SVMM_H_ + +#include FT_INTERNAL_SERVICE_H + + +FT_BEGIN_HEADER + + + /* + * A service used to manage multiple-masters data in a given face. + * + * See the related APIs in `ftmm.h' (FT_MULTIPLE_MASTERS_H). + * + */ + +#define FT_SERVICE_ID_MULTI_MASTERS "multi-masters" + + + typedef FT_Error + (*FT_Get_MM_Func)( FT_Face face, + FT_Multi_Master* master ); + + typedef FT_Error + (*FT_Get_MM_Var_Func)( FT_Face face, + FT_MM_Var* *master ); + + typedef FT_Error + (*FT_Set_MM_Design_Func)( FT_Face face, + FT_UInt num_coords, + FT_Long* coords ); + + /* use return value -1 to indicate that the new coordinates */ + /* are equal to the current ones; no changes are thus needed */ + typedef FT_Error + (*FT_Set_Var_Design_Func)( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + /* use return value -1 to indicate that the new coordinates */ + /* are equal to the current ones; no changes are thus needed */ + typedef FT_Error + (*FT_Set_MM_Blend_Func)( FT_Face face, + FT_UInt num_coords, + FT_Long* coords ); + + typedef FT_Error + (*FT_Get_Var_Design_Func)( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + typedef FT_Error + (*FT_Set_Instance_Func)( FT_Face face, + FT_UInt instance_index ); + + typedef FT_Error + (*FT_Get_MM_Blend_Func)( FT_Face face, + FT_UInt num_coords, + FT_Long* coords ); + + typedef FT_Error + (*FT_Get_Var_Blend_Func)( FT_Face face, + FT_UInt *num_coords, + FT_Fixed* *coords, + FT_Fixed* *normalizedcoords, + FT_MM_Var* *mm_var ); + + typedef void + (*FT_Done_Blend_Func)( FT_Face ); + + + FT_DEFINE_SERVICE( MultiMasters ) + { + FT_Get_MM_Func get_mm; + FT_Set_MM_Design_Func set_mm_design; + FT_Set_MM_Blend_Func set_mm_blend; + FT_Get_MM_Blend_Func get_mm_blend; + FT_Get_MM_Var_Func get_mm_var; + FT_Set_Var_Design_Func set_var_design; + FT_Get_Var_Design_Func get_var_design; + FT_Set_Instance_Func set_instance; + + /* for internal use; only needed for code sharing between modules */ + FT_Get_Var_Blend_Func get_var_blend; + FT_Done_Blend_Func done_blend; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_MULTIMASTERSREC( class_, \ + get_mm_, \ + set_mm_design_, \ + set_mm_blend_, \ + get_mm_blend_, \ + get_mm_var_, \ + set_var_design_, \ + get_var_design_, \ + set_instance_, \ + get_var_blend_, \ + done_blend_ ) \ + static const FT_Service_MultiMastersRec class_ = \ + { \ + get_mm_, \ + set_mm_design_, \ + set_mm_blend_, \ + get_mm_blend_, \ + get_mm_var_, \ + set_var_design_, \ + get_var_design_, \ + set_instance_, \ + get_var_blend_, \ + done_blend_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_MULTIMASTERSREC( class_, \ + get_mm_, \ + set_mm_design_, \ + set_mm_blend_, \ + get_mm_blend_, \ + get_mm_var_, \ + set_var_design_, \ + get_var_design_, \ + set_instance_, \ + get_var_blend_, \ + done_blend_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Service_MultiMastersRec* clazz ) \ + { \ + clazz->get_mm = get_mm_; \ + clazz->set_mm_design = set_mm_design_; \ + clazz->set_mm_blend = set_mm_blend_; \ + clazz->get_mm_blend = get_mm_blend_; \ + clazz->get_mm_var = get_mm_var_; \ + clazz->set_var_design = set_var_design_; \ + clazz->get_var_design = get_var_design_; \ + clazz->set_instance = set_instance_; \ + clazz->get_var_blend = get_var_blend_; \ + clazz->done_blend = done_blend_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + +#endif /* SVMM_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svotval.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svotval.h new file mode 100644 index 00000000000..31294296a6d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svotval.h @@ -0,0 +1,55 @@ +/***************************************************************************/ +/* */ +/* svotval.h */ +/* */ +/* The FreeType OpenType validation service (specification). */ +/* */ +/* Copyright 2004-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVOTVAL_H_ +#define SVOTVAL_H_ + +#include FT_OPENTYPE_VALIDATE_H +#include FT_INTERNAL_VALIDATE_H + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_OPENTYPE_VALIDATE "opentype-validate" + + + typedef FT_Error + (*otv_validate_func)( FT_Face volatile face, + FT_UInt ot_flags, + FT_Bytes *base, + FT_Bytes *gdef, + FT_Bytes *gpos, + FT_Bytes *gsub, + FT_Bytes *jstf ); + + + FT_DEFINE_SERVICE( OTvalidate ) + { + otv_validate_func validate; + }; + + /* */ + + +FT_END_HEADER + + +#endif /* SVOTVAL_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpfr.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpfr.h new file mode 100644 index 00000000000..e65d57e91ba --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpfr.h @@ -0,0 +1,66 @@ +/***************************************************************************/ +/* */ +/* svpfr.h */ +/* */ +/* Internal PFR service functions (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVPFR_H_ +#define SVPFR_H_ + +#include FT_PFR_H +#include FT_INTERNAL_SERVICE_H + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_PFR_METRICS "pfr-metrics" + + + typedef FT_Error + (*FT_PFR_GetMetricsFunc)( FT_Face face, + FT_UInt *aoutline, + FT_UInt *ametrics, + FT_Fixed *ax_scale, + FT_Fixed *ay_scale ); + + typedef FT_Error + (*FT_PFR_GetKerningFunc)( FT_Face face, + FT_UInt left, + FT_UInt right, + FT_Vector *avector ); + + typedef FT_Error + (*FT_PFR_GetAdvanceFunc)( FT_Face face, + FT_UInt gindex, + FT_Pos *aadvance ); + + + FT_DEFINE_SERVICE( PfrMetrics ) + { + FT_PFR_GetMetricsFunc get_metrics; + FT_PFR_GetKerningFunc get_kerning; + FT_PFR_GetAdvanceFunc get_advance; + + }; + + /* */ + +FT_END_HEADER + +#endif /* SVPFR_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpostnm.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpostnm.h new file mode 100644 index 00000000000..4a49d8b0532 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpostnm.h @@ -0,0 +1,81 @@ +/***************************************************************************/ +/* */ +/* svpostnm.h */ +/* */ +/* The FreeType PostScript name services (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVPOSTNM_H_ +#define SVPOSTNM_H_ + +#include FT_INTERNAL_SERVICE_H + + +FT_BEGIN_HEADER + + /* + * A trivial service used to retrieve the PostScript name of a given + * font when available. The `get_name' field should never be NULL. + * + * The corresponding function can return NULL to indicate that the + * PostScript name is not available. + * + * The name is owned by the face and will be destroyed with it. + */ + +#define FT_SERVICE_ID_POSTSCRIPT_FONT_NAME "postscript-font-name" + + + typedef const char* + (*FT_PsName_GetFunc)( FT_Face face ); + + + FT_DEFINE_SERVICE( PsFontName ) + { + FT_PsName_GetFunc get_ps_font_name; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_PSFONTNAMEREC( class_, get_ps_font_name_ ) \ + static const FT_Service_PsFontNameRec class_ = \ + { \ + get_ps_font_name_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_PSFONTNAMEREC( class_, get_ps_font_name_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + FT_Service_PsFontNameRec* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->get_ps_font_name = get_ps_font_name_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + + +#endif /* SVPOSTNM_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svprop.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svprop.h new file mode 100644 index 00000000000..adc0bcf4398 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svprop.h @@ -0,0 +1,82 @@ +/***************************************************************************/ +/* */ +/* svprop.h */ +/* */ +/* The FreeType property service (specification). */ +/* */ +/* Copyright 2012-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVPROP_H_ +#define SVPROP_H_ + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_PROPERTIES "properties" + + + typedef FT_Error + (*FT_Properties_SetFunc)( FT_Module module, + const char* property_name, + const void* value, + FT_Bool value_is_string ); + + typedef FT_Error + (*FT_Properties_GetFunc)( FT_Module module, + const char* property_name, + void* value ); + + + FT_DEFINE_SERVICE( Properties ) + { + FT_Properties_SetFunc set_property; + FT_Properties_GetFunc get_property; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_PROPERTIESREC( class_, \ + set_property_, \ + get_property_ ) \ + static const FT_Service_PropertiesRec class_ = \ + { \ + set_property_, \ + get_property_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_PROPERTIESREC( class_, \ + set_property_, \ + get_property_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Service_PropertiesRec* clazz ) \ + { \ + clazz->set_property = set_property_; \ + clazz->get_property = get_property_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + + +#endif /* SVPROP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpscmap.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpscmap.h new file mode 100644 index 00000000000..5589575b92a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpscmap.h @@ -0,0 +1,177 @@ +/***************************************************************************/ +/* */ +/* svpscmap.h */ +/* */ +/* The FreeType PostScript charmap service (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVPSCMAP_H_ +#define SVPSCMAP_H_ + +#include FT_INTERNAL_OBJECTS_H + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_POSTSCRIPT_CMAPS "postscript-cmaps" + + + /* + * Adobe glyph name to unicode value. + */ + typedef FT_UInt32 + (*PS_Unicode_ValueFunc)( const char* glyph_name ); + + /* + * Macintosh name id to glyph name. NULL if invalid index. + */ + typedef const char* + (*PS_Macintosh_NameFunc)( FT_UInt name_index ); + + /* + * Adobe standard string ID to glyph name. NULL if invalid index. + */ + typedef const char* + (*PS_Adobe_Std_StringsFunc)( FT_UInt string_index ); + + + /* + * Simple unicode -> glyph index charmap built from font glyph names + * table. + */ + typedef struct PS_UniMap_ + { + FT_UInt32 unicode; /* bit 31 set: is glyph variant */ + FT_UInt glyph_index; + + } PS_UniMap; + + + typedef struct PS_UnicodesRec_* PS_Unicodes; + + typedef struct PS_UnicodesRec_ + { + FT_CMapRec cmap; + FT_UInt num_maps; + PS_UniMap* maps; + + } PS_UnicodesRec; + + + /* + * A function which returns a glyph name for a given index. Returns + * NULL if invalid index. + */ + typedef const char* + (*PS_GetGlyphNameFunc)( FT_Pointer data, + FT_UInt string_index ); + + /* + * A function used to release the glyph name returned by + * PS_GetGlyphNameFunc, when needed + */ + typedef void + (*PS_FreeGlyphNameFunc)( FT_Pointer data, + const char* name ); + + typedef FT_Error + (*PS_Unicodes_InitFunc)( FT_Memory memory, + PS_Unicodes unicodes, + FT_UInt num_glyphs, + PS_GetGlyphNameFunc get_glyph_name, + PS_FreeGlyphNameFunc free_glyph_name, + FT_Pointer glyph_data ); + + typedef FT_UInt + (*PS_Unicodes_CharIndexFunc)( PS_Unicodes unicodes, + FT_UInt32 unicode ); + + typedef FT_UInt32 + (*PS_Unicodes_CharNextFunc)( PS_Unicodes unicodes, + FT_UInt32 *unicode ); + + + FT_DEFINE_SERVICE( PsCMaps ) + { + PS_Unicode_ValueFunc unicode_value; + + PS_Unicodes_InitFunc unicodes_init; + PS_Unicodes_CharIndexFunc unicodes_char_index; + PS_Unicodes_CharNextFunc unicodes_char_next; + + PS_Macintosh_NameFunc macintosh_name; + PS_Adobe_Std_StringsFunc adobe_std_strings; + const unsigned short* adobe_std_encoding; + const unsigned short* adobe_expert_encoding; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_PSCMAPSREC( class_, \ + unicode_value_, \ + unicodes_init_, \ + unicodes_char_index_, \ + unicodes_char_next_, \ + macintosh_name_, \ + adobe_std_strings_, \ + adobe_std_encoding_, \ + adobe_expert_encoding_ ) \ + static const FT_Service_PsCMapsRec class_ = \ + { \ + unicode_value_, unicodes_init_, \ + unicodes_char_index_, unicodes_char_next_, macintosh_name_, \ + adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_PSCMAPSREC( class_, \ + unicode_value_, \ + unicodes_init_, \ + unicodes_char_index_, \ + unicodes_char_next_, \ + macintosh_name_, \ + adobe_std_strings_, \ + adobe_std_encoding_, \ + adobe_expert_encoding_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + FT_Service_PsCMapsRec* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->unicode_value = unicode_value_; \ + clazz->unicodes_init = unicodes_init_; \ + clazz->unicodes_char_index = unicodes_char_index_; \ + clazz->unicodes_char_next = unicodes_char_next_; \ + clazz->macintosh_name = macintosh_name_; \ + clazz->adobe_std_strings = adobe_std_strings_; \ + clazz->adobe_std_encoding = adobe_std_encoding_; \ + clazz->adobe_expert_encoding = adobe_expert_encoding_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + + +#endif /* SVPSCMAP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpsinfo.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpsinfo.h new file mode 100644 index 00000000000..408f406dfa2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svpsinfo.h @@ -0,0 +1,111 @@ +/***************************************************************************/ +/* */ +/* svpsinfo.h */ +/* */ +/* The FreeType PostScript info service (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVPSINFO_H_ +#define SVPSINFO_H_ + +#include FT_INTERNAL_SERVICE_H +#include FT_INTERNAL_TYPE1_TYPES_H + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_POSTSCRIPT_INFO "postscript-info" + + + typedef FT_Error + (*PS_GetFontInfoFunc)( FT_Face face, + PS_FontInfoRec* afont_info ); + + typedef FT_Error + (*PS_GetFontExtraFunc)( FT_Face face, + PS_FontExtraRec* afont_extra ); + + typedef FT_Int + (*PS_HasGlyphNamesFunc)( FT_Face face ); + + typedef FT_Error + (*PS_GetFontPrivateFunc)( FT_Face face, + PS_PrivateRec* afont_private ); + + typedef FT_Long + (*PS_GetFontValueFunc)( FT_Face face, + PS_Dict_Keys key, + FT_UInt idx, + void *value, + FT_Long value_len ); + + + FT_DEFINE_SERVICE( PsInfo ) + { + PS_GetFontInfoFunc ps_get_font_info; + PS_GetFontExtraFunc ps_get_font_extra; + PS_HasGlyphNamesFunc ps_has_glyph_names; + PS_GetFontPrivateFunc ps_get_font_private; + PS_GetFontValueFunc ps_get_font_value; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_PSINFOREC( class_, \ + get_font_info_, \ + ps_get_font_extra_, \ + has_glyph_names_, \ + get_font_private_, \ + get_font_value_ ) \ + static const FT_Service_PsInfoRec class_ = \ + { \ + get_font_info_, ps_get_font_extra_, has_glyph_names_, \ + get_font_private_, get_font_value_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_PSINFOREC( class_, \ + get_font_info_, \ + ps_get_font_extra_, \ + has_glyph_names_, \ + get_font_private_, \ + get_font_value_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + FT_Service_PsInfoRec* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->ps_get_font_info = get_font_info_; \ + clazz->ps_get_font_extra = ps_get_font_extra_; \ + clazz->ps_has_glyph_names = has_glyph_names_; \ + clazz->ps_get_font_private = get_font_private_; \ + clazz->ps_get_font_value = get_font_value_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + + +#endif /* SVPSINFO_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svsfnt.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svsfnt.h new file mode 100644 index 00000000000..e8b37bc47f8 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svsfnt.h @@ -0,0 +1,103 @@ +/***************************************************************************/ +/* */ +/* svsfnt.h */ +/* */ +/* The FreeType SFNT table loading service (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVSFNT_H_ +#define SVSFNT_H_ + +#include FT_INTERNAL_SERVICE_H +#include FT_TRUETYPE_TABLES_H + + +FT_BEGIN_HEADER + + + /* + * SFNT table loading service. + */ + +#define FT_SERVICE_ID_SFNT_TABLE "sfnt-table" + + + /* + * Used to implement FT_Load_Sfnt_Table(). + */ + typedef FT_Error + (*FT_SFNT_TableLoadFunc)( FT_Face face, + FT_ULong tag, + FT_Long offset, + FT_Byte* buffer, + FT_ULong* length ); + + /* + * Used to implement FT_Get_Sfnt_Table(). + */ + typedef void* + (*FT_SFNT_TableGetFunc)( FT_Face face, + FT_Sfnt_Tag tag ); + + + /* + * Used to implement FT_Sfnt_Table_Info(). + */ + typedef FT_Error + (*FT_SFNT_TableInfoFunc)( FT_Face face, + FT_UInt idx, + FT_ULong *tag, + FT_ULong *offset, + FT_ULong *length ); + + + FT_DEFINE_SERVICE( SFNT_Table ) + { + FT_SFNT_TableLoadFunc load_table; + FT_SFNT_TableGetFunc get_table; + FT_SFNT_TableInfoFunc table_info; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_SFNT_TABLEREC( class_, load_, get_, info_ ) \ + static const FT_Service_SFNT_TableRec class_ = \ + { \ + load_, get_, info_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_SFNT_TABLEREC( class_, load_, get_, info_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Service_SFNT_TableRec* clazz ) \ + { \ + clazz->load_table = load_; \ + clazz->get_table = get_; \ + clazz->table_info = info_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + + +#endif /* SVSFNT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svttcmap.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svttcmap.h new file mode 100644 index 00000000000..cd0e6fda6f9 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svttcmap.h @@ -0,0 +1,106 @@ +/***************************************************************************/ +/* */ +/* svttcmap.h */ +/* */ +/* The FreeType TrueType/sfnt cmap extra information service. */ +/* */ +/* Copyright 2003-2018 by */ +/* Masatake YAMATO, Redhat K.K., */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +/* Development of this service is support of + Information-technology Promotion Agency, Japan. */ + +#ifndef SVTTCMAP_H_ +#define SVTTCMAP_H_ + +#include FT_INTERNAL_SERVICE_H +#include FT_TRUETYPE_TABLES_H + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_TT_CMAP "tt-cmaps" + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_CMapInfo */ + /* */ + /* <Description> */ + /* A structure used to store TrueType/sfnt specific cmap information */ + /* which is not covered by the generic @FT_CharMap structure. This */ + /* structure can be accessed with the @FT_Get_TT_CMap_Info function. */ + /* */ + /* <Fields> */ + /* language :: */ + /* The language ID used in Mac fonts. Definitions of values are in */ + /* `ttnameid.h'. */ + /* */ + /* format :: */ + /* The cmap format. OpenType 1.6 defines the formats 0 (byte */ + /* encoding table), 2~(high-byte mapping through table), 4~(segment */ + /* mapping to delta values), 6~(trimmed table mapping), 8~(mixed */ + /* 16-bit and 32-bit coverage), 10~(trimmed array), 12~(segmented */ + /* coverage), 13~(last resort font), and 14 (Unicode Variation */ + /* Sequences). */ + /* */ + typedef struct TT_CMapInfo_ + { + FT_ULong language; + FT_Long format; + + } TT_CMapInfo; + + + typedef FT_Error + (*TT_CMap_Info_GetFunc)( FT_CharMap charmap, + TT_CMapInfo *cmap_info ); + + + FT_DEFINE_SERVICE( TTCMaps ) + { + TT_CMap_Info_GetFunc get_cmap_info; + }; + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_TTCMAPSREC( class_, get_cmap_info_ ) \ + static const FT_Service_TTCMapsRec class_ = \ + { \ + get_cmap_info_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_TTCMAPSREC( class_, get_cmap_info_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + FT_Service_TTCMapsRec* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->get_cmap_info = get_cmap_info_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + +#endif /* SVTTCMAP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svtteng.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svtteng.h new file mode 100644 index 00000000000..92e3c541f53 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svtteng.h @@ -0,0 +1,53 @@ +/***************************************************************************/ +/* */ +/* svtteng.h */ +/* */ +/* The FreeType TrueType engine query service (specification). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVTTENG_H_ +#define SVTTENG_H_ + +#include FT_INTERNAL_SERVICE_H +#include FT_MODULE_H + + +FT_BEGIN_HEADER + + + /* + * SFNT table loading service. + */ + +#define FT_SERVICE_ID_TRUETYPE_ENGINE "truetype-engine" + + /* + * Used to implement FT_Get_TrueType_Engine_Type + */ + + FT_DEFINE_SERVICE( TrueTypeEngine ) + { + FT_TrueTypeEngineType engine_type; + }; + + /* */ + + +FT_END_HEADER + + +#endif /* SVTTENG_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svttglyf.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svttglyf.h new file mode 100644 index 00000000000..16fac1ca18b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svttglyf.h @@ -0,0 +1,69 @@ +/***************************************************************************/ +/* */ +/* svttglyf.h */ +/* */ +/* The FreeType TrueType glyph service. */ +/* */ +/* Copyright 2007-2018 by */ +/* David Turner. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +#ifndef SVTTGLYF_H_ +#define SVTTGLYF_H_ + +#include FT_INTERNAL_SERVICE_H +#include FT_TRUETYPE_TABLES_H + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_TT_GLYF "tt-glyf" + + + typedef FT_ULong + (*TT_Glyf_GetLocationFunc)( FT_Face face, + FT_UInt gindex, + FT_ULong *psize ); + + FT_DEFINE_SERVICE( TTGlyf ) + { + TT_Glyf_GetLocationFunc get_location; + }; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SERVICE_TTGLYFREC( class_, get_location_ ) \ + static const FT_Service_TTGlyfRec class_ = \ + { \ + get_location_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_SERVICE_TTGLYFREC( class_, get_location_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Service_TTGlyfRec* clazz ) \ + { \ + clazz->get_location = get_location_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + + +FT_END_HEADER + +#endif /* SVTTGLYF_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svwinfnt.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svwinfnt.h new file mode 100644 index 00000000000..80d481cbd11 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/services/svwinfnt.h @@ -0,0 +1,50 @@ +/***************************************************************************/ +/* */ +/* svwinfnt.h */ +/* */ +/* The FreeType Windows FNT/FONT service (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SVWINFNT_H_ +#define SVWINFNT_H_ + +#include FT_INTERNAL_SERVICE_H +#include FT_WINFONTS_H + + +FT_BEGIN_HEADER + + +#define FT_SERVICE_ID_WINFNT "winfonts" + + typedef FT_Error + (*FT_WinFnt_GetHeaderFunc)( FT_Face face, + FT_WinFNT_HeaderRec *aheader ); + + + FT_DEFINE_SERVICE( WinFnt ) + { + FT_WinFnt_GetHeaderFunc get_header; + }; + + /* */ + + +FT_END_HEADER + + +#endif /* SVWINFNT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/sfnt.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/sfnt.h new file mode 100644 index 00000000000..fb1e327aeb0 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/sfnt.h @@ -0,0 +1,784 @@ +/***************************************************************************/ +/* */ +/* sfnt.h */ +/* */ +/* High-level `sfnt' driver interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SFNT_H_ +#define SFNT_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_DRIVER_H +#include FT_INTERNAL_TRUETYPE_TYPES_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Init_Face_Func */ + /* */ + /* <Description> */ + /* First part of the SFNT face object initialization. This finds */ + /* the face in a SFNT file or collection, and load its format tag in */ + /* face->format_tag. */ + /* */ + /* <Input> */ + /* stream :: The input stream. */ + /* */ + /* face :: A handle to the target face object. */ + /* */ + /* face_index :: The index of the TrueType font, if we are opening a */ + /* collection, in bits 0-15. The numbered instance */ + /* index~+~1 of a GX (sub)font, if applicable, in bits */ + /* 16-30. */ + /* */ + /* num_params :: The number of additional parameters. */ + /* */ + /* params :: Optional additional parameters. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* The stream cursor must be at the font file's origin. */ + /* */ + /* This function recognizes fonts embedded in a `TrueType */ + /* collection'. */ + /* */ + /* Once the format tag has been validated by the font driver, it */ + /* should then call the TT_Load_Face_Func() callback to read the rest */ + /* of the SFNT tables in the object. */ + /* */ + typedef FT_Error + (*TT_Init_Face_Func)( FT_Stream stream, + TT_Face face, + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Load_Face_Func */ + /* */ + /* <Description> */ + /* Second part of the SFNT face object initialization. This loads */ + /* the common SFNT tables (head, OS/2, maxp, metrics, etc.) in the */ + /* face object. */ + /* */ + /* <Input> */ + /* stream :: The input stream. */ + /* */ + /* face :: A handle to the target face object. */ + /* */ + /* face_index :: The index of the TrueType font, if we are opening a */ + /* collection, in bits 0-15. The numbered instance */ + /* index~+~1 of a GX (sub)font, if applicable, in bits */ + /* 16-30. */ + /* */ + /* num_params :: The number of additional parameters. */ + /* */ + /* params :: Optional additional parameters. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* This function must be called after TT_Init_Face_Func(). */ + /* */ + typedef FT_Error + (*TT_Load_Face_Func)( FT_Stream stream, + TT_Face face, + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Done_Face_Func */ + /* */ + /* <Description> */ + /* A callback used to delete the common SFNT data from a face. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* <Note> */ + /* This function does NOT destroy the face object. */ + /* */ + typedef void + (*TT_Done_Face_Func)( TT_Face face ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Load_Any_Func */ + /* */ + /* <Description> */ + /* Load any font table into client memory. */ + /* */ + /* <Input> */ + /* face :: The face object to look for. */ + /* */ + /* tag :: The tag of table to load. Use the value 0 if you want */ + /* to access the whole font file, else set this parameter */ + /* to a valid TrueType table tag that you can forge with */ + /* the MAKE_TT_TAG macro. */ + /* */ + /* offset :: The starting offset in the table (or the file if */ + /* tag == 0). */ + /* */ + /* length :: The address of the decision variable: */ + /* */ + /* If length == NULL: */ + /* Loads the whole table. Returns an error if */ + /* `offset' == 0! */ + /* */ + /* If *length == 0: */ + /* Exits immediately; returning the length of the given */ + /* table or of the font file, depending on the value of */ + /* `tag'. */ + /* */ + /* If *length != 0: */ + /* Loads the next `length' bytes of table or font, */ + /* starting at offset `offset' (in table or font too). */ + /* */ + /* <Output> */ + /* buffer :: The address of target buffer. */ + /* */ + /* <Return> */ + /* TrueType error code. 0 means success. */ + /* */ + typedef FT_Error + (*TT_Load_Any_Func)( TT_Face face, + FT_ULong tag, + FT_Long offset, + FT_Byte *buffer, + FT_ULong* length ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Find_SBit_Image_Func */ + /* */ + /* <Description> */ + /* Check whether an embedded bitmap (an `sbit') exists for a given */ + /* glyph, at a given strike. */ + /* */ + /* <Input> */ + /* face :: The target face object. */ + /* */ + /* glyph_index :: The glyph index. */ + /* */ + /* strike_index :: The current strike index. */ + /* */ + /* <Output> */ + /* arange :: The SBit range containing the glyph index. */ + /* */ + /* astrike :: The SBit strike containing the glyph index. */ + /* */ + /* aglyph_offset :: The offset of the glyph data in `EBDT' table. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. Returns */ + /* SFNT_Err_Invalid_Argument if no sbit exists for the requested */ + /* glyph. */ + /* */ + typedef FT_Error + (*TT_Find_SBit_Image_Func)( TT_Face face, + FT_UInt glyph_index, + FT_ULong strike_index, + TT_SBit_Range *arange, + TT_SBit_Strike *astrike, + FT_ULong *aglyph_offset ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Load_SBit_Metrics_Func */ + /* */ + /* <Description> */ + /* Get the big metrics for a given embedded bitmap. */ + /* */ + /* <Input> */ + /* stream :: The input stream. */ + /* */ + /* range :: The SBit range containing the glyph. */ + /* */ + /* <Output> */ + /* big_metrics :: A big SBit metrics structure for the glyph. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* The stream cursor must be positioned at the glyph's offset within */ + /* the `EBDT' table before the call. */ + /* */ + /* If the image format uses variable metrics, the stream cursor is */ + /* positioned just after the metrics header in the `EBDT' table on */ + /* function exit. */ + /* */ + typedef FT_Error + (*TT_Load_SBit_Metrics_Func)( FT_Stream stream, + TT_SBit_Range range, + TT_SBit_Metrics metrics ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Load_SBit_Image_Func */ + /* */ + /* <Description> */ + /* Load a given glyph sbit image from the font resource. This also */ + /* returns its metrics. */ + /* */ + /* <Input> */ + /* face :: */ + /* The target face object. */ + /* */ + /* strike_index :: */ + /* The strike index. */ + /* */ + /* glyph_index :: */ + /* The current glyph index. */ + /* */ + /* load_flags :: */ + /* The current load flags. */ + /* */ + /* stream :: */ + /* The input stream. */ + /* */ + /* <Output> */ + /* amap :: */ + /* The target pixmap. */ + /* */ + /* ametrics :: */ + /* A big sbit metrics structure for the glyph image. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. Returns an error if no */ + /* glyph sbit exists for the index. */ + /* */ + /* <Note> */ + /* The `map.buffer' field is always freed before the glyph is loaded. */ + /* */ + typedef FT_Error + (*TT_Load_SBit_Image_Func)( TT_Face face, + FT_ULong strike_index, + FT_UInt glyph_index, + FT_UInt load_flags, + FT_Stream stream, + FT_Bitmap *amap, + TT_SBit_MetricsRec *ametrics ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Set_SBit_Strike_Func */ + /* */ + /* <Description> */ + /* Select an sbit strike for a given size request. */ + /* */ + /* <Input> */ + /* face :: The target face object. */ + /* */ + /* req :: The size request. */ + /* */ + /* <Output> */ + /* astrike_index :: The index of the sbit strike. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. Returns an error if no */ + /* sbit strike exists for the selected ppem values. */ + /* */ + typedef FT_Error + (*TT_Set_SBit_Strike_Func)( TT_Face face, + FT_Size_Request req, + FT_ULong* astrike_index ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Load_Strike_Metrics_Func */ + /* */ + /* <Description> */ + /* Load the metrics of a given strike. */ + /* */ + /* <Input> */ + /* face :: The target face object. */ + /* */ + /* strike_index :: The strike index. */ + /* */ + /* <Output> */ + /* metrics :: the metrics of the strike. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. Returns an error if no */ + /* such sbit strike exists. */ + /* */ + typedef FT_Error + (*TT_Load_Strike_Metrics_Func)( TT_Face face, + FT_ULong strike_index, + FT_Size_Metrics* metrics ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Get_PS_Name_Func */ + /* */ + /* <Description> */ + /* Get the PostScript glyph name of a glyph. */ + /* */ + /* <Input> */ + /* idx :: The glyph index. */ + /* */ + /* PSname :: The address of a string pointer. Will be NULL in case */ + /* of error, otherwise it is a pointer to the glyph name. */ + /* */ + /* You must not modify the returned string! */ + /* */ + /* <Output> */ + /* FreeType error code. 0 means success. */ + /* */ + typedef FT_Error + (*TT_Get_PS_Name_Func)( TT_Face face, + FT_UInt idx, + FT_String** PSname ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Load_Metrics_Func */ + /* */ + /* <Description> */ + /* Load a metrics table, which is a table with a horizontal and a */ + /* vertical version. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* vertical :: A boolean flag. If set, load the vertical one. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + typedef FT_Error + (*TT_Load_Metrics_Func)( TT_Face face, + FT_Stream stream, + FT_Bool vertical ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Get_Metrics_Func */ + /* */ + /* <Description> */ + /* Load the horizontal or vertical header in a face object. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* vertical :: A boolean flag. If set, load vertical metrics. */ + /* */ + /* gindex :: The glyph index. */ + /* */ + /* <Output> */ + /* abearing :: The horizontal (or vertical) bearing. Set to zero in */ + /* case of error. */ + /* */ + /* aadvance :: The horizontal (or vertical) advance. Set to zero in */ + /* case of error. */ + /* */ + typedef void + (*TT_Get_Metrics_Func)( TT_Face face, + FT_Bool vertical, + FT_UInt gindex, + FT_Short* abearing, + FT_UShort* aadvance ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Get_Name_Func */ + /* */ + /* <Description> */ + /* From the `name' table, return a given ENGLISH name record in */ + /* ASCII. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* nameid :: The name id of the name record to return. */ + /* */ + /* <InOut> */ + /* name :: The address of an allocated string pointer. NULL if */ + /* no name is present. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + typedef FT_Error + (*TT_Get_Name_Func)( TT_Face face, + FT_UShort nameid, + FT_String** name ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Get_Name_ID_Func */ + /* */ + /* <Description> */ + /* Search whether an ENGLISH version for a given name ID is in the */ + /* `name' table. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* nameid :: The name id of the name record to return. */ + /* */ + /* <Out> */ + /* win :: If non-negative, an index into the `name' table with */ + /* the corresponding (3,1) or (3,0) Windows entry. */ + /* */ + /* apple :: If non-negative, an index into the `name' table with */ + /* the corresponding (1,0) Apple entry. */ + /* */ + /* <Return> */ + /* 1 if there is either a win or apple entry (or both), 0 otheriwse. */ + /* */ + typedef FT_Bool + (*TT_Get_Name_ID_Func)( TT_Face face, + FT_UShort nameid, + FT_Int *win, + FT_Int *apple ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Load_Table_Func */ + /* */ + /* <Description> */ + /* Load a given TrueType table. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* The function uses `face->goto_table' to seek the stream to the */ + /* start of the table, except while loading the font directory. */ + /* */ + typedef FT_Error + (*TT_Load_Table_Func)( TT_Face face, + FT_Stream stream ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Free_Table_Func */ + /* */ + /* <Description> */ + /* Free a given TrueType table. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + typedef void + (*TT_Free_Table_Func)( TT_Face face ); + + + /* + * @functype: + * TT_Face_GetKerningFunc + * + * @description: + * Return the horizontal kerning value between two glyphs. + * + * @input: + * face :: A handle to the source face object. + * left_glyph :: The left glyph index. + * right_glyph :: The right glyph index. + * + * @return: + * The kerning value in font units. + */ + typedef FT_Int + (*TT_Face_GetKerningFunc)( TT_Face face, + FT_UInt left_glyph, + FT_UInt right_glyph ); + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* SFNT_Interface */ + /* */ + /* <Description> */ + /* This structure holds pointers to the functions used to load and */ + /* free the basic tables that are required in a `sfnt' font file. */ + /* */ + /* <Fields> */ + /* Check the various xxx_Func() descriptions for details. */ + /* */ + typedef struct SFNT_Interface_ + { + TT_Loader_GotoTableFunc goto_table; + + TT_Init_Face_Func init_face; + TT_Load_Face_Func load_face; + TT_Done_Face_Func done_face; + FT_Module_Requester get_interface; + + TT_Load_Any_Func load_any; + + /* these functions are called by `load_face' but they can also */ + /* be called from external modules, if there is a need to do so */ + TT_Load_Table_Func load_head; + TT_Load_Metrics_Func load_hhea; + TT_Load_Table_Func load_cmap; + TT_Load_Table_Func load_maxp; + TT_Load_Table_Func load_os2; + TT_Load_Table_Func load_post; + + TT_Load_Table_Func load_name; + TT_Free_Table_Func free_name; + + /* this field was called `load_kerning' up to version 2.1.10 */ + TT_Load_Table_Func load_kern; + + TT_Load_Table_Func load_gasp; + TT_Load_Table_Func load_pclt; + + /* see `ttload.h'; this field was called `load_bitmap_header' up to */ + /* version 2.1.10 */ + TT_Load_Table_Func load_bhed; + + TT_Load_SBit_Image_Func load_sbit_image; + + /* see `ttpost.h' */ + TT_Get_PS_Name_Func get_psname; + TT_Free_Table_Func free_psnames; + + /* starting here, the structure differs from version 2.1.7 */ + + /* this field was introduced in version 2.1.8, named `get_psname' */ + TT_Face_GetKerningFunc get_kerning; + + /* new elements introduced after version 2.1.10 */ + + /* load the font directory, i.e., the offset table and */ + /* the table directory */ + TT_Load_Table_Func load_font_dir; + TT_Load_Metrics_Func load_hmtx; + + TT_Load_Table_Func load_eblc; + TT_Free_Table_Func free_eblc; + + TT_Set_SBit_Strike_Func set_sbit_strike; + TT_Load_Strike_Metrics_Func load_strike_metrics; + + TT_Get_Metrics_Func get_metrics; + + TT_Get_Name_Func get_name; + TT_Get_Name_ID_Func get_name_id; + + } SFNT_Interface; + + + /* transitional */ + typedef SFNT_Interface* SFNT_Service; + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_SFNT_INTERFACE( \ + class_, \ + goto_table_, \ + init_face_, \ + load_face_, \ + done_face_, \ + get_interface_, \ + load_any_, \ + load_head_, \ + load_hhea_, \ + load_cmap_, \ + load_maxp_, \ + load_os2_, \ + load_post_, \ + load_name_, \ + free_name_, \ + load_kern_, \ + load_gasp_, \ + load_pclt_, \ + load_bhed_, \ + load_sbit_image_, \ + get_psname_, \ + free_psnames_, \ + get_kerning_, \ + load_font_dir_, \ + load_hmtx_, \ + load_eblc_, \ + free_eblc_, \ + set_sbit_strike_, \ + load_strike_metrics_, \ + get_metrics_, \ + get_name_, \ + get_name_id_ ) \ + static const SFNT_Interface class_ = \ + { \ + goto_table_, \ + init_face_, \ + load_face_, \ + done_face_, \ + get_interface_, \ + load_any_, \ + load_head_, \ + load_hhea_, \ + load_cmap_, \ + load_maxp_, \ + load_os2_, \ + load_post_, \ + load_name_, \ + free_name_, \ + load_kern_, \ + load_gasp_, \ + load_pclt_, \ + load_bhed_, \ + load_sbit_image_, \ + get_psname_, \ + free_psnames_, \ + get_kerning_, \ + load_font_dir_, \ + load_hmtx_, \ + load_eblc_, \ + free_eblc_, \ + set_sbit_strike_, \ + load_strike_metrics_, \ + get_metrics_, \ + get_name_, \ + get_name_id_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_INTERNAL( a, a_ ) \ + clazz->a = a_; + +#define FT_DEFINE_SFNT_INTERFACE( \ + class_, \ + goto_table_, \ + init_face_, \ + load_face_, \ + done_face_, \ + get_interface_, \ + load_any_, \ + load_head_, \ + load_hhea_, \ + load_cmap_, \ + load_maxp_, \ + load_os2_, \ + load_post_, \ + load_name_, \ + free_name_, \ + load_kern_, \ + load_gasp_, \ + load_pclt_, \ + load_bhed_, \ + load_sbit_image_, \ + get_psname_, \ + free_psnames_, \ + get_kerning_, \ + load_font_dir_, \ + load_hmtx_, \ + load_eblc_, \ + free_eblc_, \ + set_sbit_strike_, \ + load_strike_metrics_, \ + get_metrics_, \ + get_name_, \ + get_name_id_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + SFNT_Interface* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->goto_table = goto_table_; \ + clazz->init_face = init_face_; \ + clazz->load_face = load_face_; \ + clazz->done_face = done_face_; \ + clazz->get_interface = get_interface_; \ + clazz->load_any = load_any_; \ + clazz->load_head = load_head_; \ + clazz->load_hhea = load_hhea_; \ + clazz->load_cmap = load_cmap_; \ + clazz->load_maxp = load_maxp_; \ + clazz->load_os2 = load_os2_; \ + clazz->load_post = load_post_; \ + clazz->load_name = load_name_; \ + clazz->free_name = free_name_; \ + clazz->load_kern = load_kern_; \ + clazz->load_gasp = load_gasp_; \ + clazz->load_pclt = load_pclt_; \ + clazz->load_bhed = load_bhed_; \ + clazz->load_sbit_image = load_sbit_image_; \ + clazz->get_psname = get_psname_; \ + clazz->free_psnames = free_psnames_; \ + clazz->get_kerning = get_kerning_; \ + clazz->load_font_dir = load_font_dir_; \ + clazz->load_hmtx = load_hmtx_; \ + clazz->load_eblc = load_eblc_; \ + clazz->free_eblc = free_eblc_; \ + clazz->set_sbit_strike = set_sbit_strike_; \ + clazz->load_strike_metrics = load_strike_metrics_; \ + clazz->get_metrics = get_metrics_; \ + clazz->get_name = get_name_; \ + clazz->get_name_id = get_name_id_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + +FT_END_HEADER + +#endif /* SFNT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/t1types.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/t1types.h new file mode 100644 index 00000000000..2118e336749 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/t1types.h @@ -0,0 +1,257 @@ +/***************************************************************************/ +/* */ +/* t1types.h */ +/* */ +/* Basic Type1/Type2 type definitions and interface (specification */ +/* only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1TYPES_H_ +#define T1TYPES_H_ + + +#include <ft2build.h> +#include FT_TYPE1_TABLES_H +#include FT_INTERNAL_POSTSCRIPT_HINTS_H +#include FT_INTERNAL_SERVICE_H +#include FT_INTERNAL_HASH_H +#include FT_SERVICE_POSTSCRIPT_CMAPS_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** REQUIRED TYPE1/TYPE2 TABLES DEFINITIONS ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* T1_EncodingRec */ + /* */ + /* <Description> */ + /* A structure modeling a custom encoding. */ + /* */ + /* <Fields> */ + /* num_chars :: The number of character codes in the encoding. */ + /* Usually 256. */ + /* */ + /* code_first :: The lowest valid character code in the encoding. */ + /* */ + /* code_last :: The highest valid character code in the encoding */ + /* + 1. When equal to code_first there are no valid */ + /* character codes. */ + /* */ + /* char_index :: An array of corresponding glyph indices. */ + /* */ + /* char_name :: An array of corresponding glyph names. */ + /* */ + typedef struct T1_EncodingRecRec_ + { + FT_Int num_chars; + FT_Int code_first; + FT_Int code_last; + + FT_UShort* char_index; + FT_String** char_name; + + } T1_EncodingRec, *T1_Encoding; + + + /* used to hold extra data of PS_FontInfoRec that + * cannot be stored in the publicly defined structure. + * + * Note these can't be blended with multiple-masters. + */ + typedef struct PS_FontExtraRec_ + { + FT_UShort fs_type; + + } PS_FontExtraRec; + + + typedef struct T1_FontRec_ + { + PS_FontInfoRec font_info; /* font info dictionary */ + PS_FontExtraRec font_extra; /* font info extra fields */ + PS_PrivateRec private_dict; /* private dictionary */ + FT_String* font_name; /* top-level dictionary */ + + T1_EncodingType encoding_type; + T1_EncodingRec encoding; + + FT_Byte* subrs_block; + FT_Byte* charstrings_block; + FT_Byte* glyph_names_block; + + FT_Int num_subrs; + FT_Byte** subrs; + FT_UInt* subrs_len; + FT_Hash subrs_hash; + + FT_Int num_glyphs; + FT_String** glyph_names; /* array of glyph names */ + FT_Byte** charstrings; /* array of glyph charstrings */ + FT_UInt* charstrings_len; + + FT_Byte paint_type; + FT_Byte font_type; + FT_Matrix font_matrix; + FT_Vector font_offset; + FT_BBox font_bbox; + FT_Long font_id; + + FT_Fixed stroke_width; + + } T1_FontRec, *T1_Font; + + + typedef struct CID_SubrsRec_ + { + FT_Int num_subrs; + FT_Byte** code; + + } CID_SubrsRec, *CID_Subrs; + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** AFM FONT INFORMATION STRUCTURES ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + typedef struct AFM_TrackKernRec_ + { + FT_Int degree; + FT_Fixed min_ptsize; + FT_Fixed min_kern; + FT_Fixed max_ptsize; + FT_Fixed max_kern; + + } AFM_TrackKernRec, *AFM_TrackKern; + + typedef struct AFM_KernPairRec_ + { + FT_UInt index1; + FT_UInt index2; + FT_Int x; + FT_Int y; + + } AFM_KernPairRec, *AFM_KernPair; + + typedef struct AFM_FontInfoRec_ + { + FT_Bool IsCIDFont; + FT_BBox FontBBox; + FT_Fixed Ascender; + FT_Fixed Descender; + AFM_TrackKern TrackKerns; /* free if non-NULL */ + FT_UInt NumTrackKern; + AFM_KernPair KernPairs; /* free if non-NULL */ + FT_UInt NumKernPair; + + } AFM_FontInfoRec, *AFM_FontInfo; + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** ORIGINAL T1_FACE CLASS DEFINITION ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + typedef struct T1_FaceRec_* T1_Face; + typedef struct CID_FaceRec_* CID_Face; + + + typedef struct T1_FaceRec_ + { + FT_FaceRec root; + T1_FontRec type1; + const void* psnames; + const void* psaux; + const void* afm_data; + FT_CharMapRec charmaprecs[2]; + FT_CharMap charmaps[2]; + + /* support for Multiple Masters fonts */ + PS_Blend blend; + + /* undocumented, optional: indices of subroutines that express */ + /* the NormalizeDesignVector and the ConvertDesignVector procedure, */ + /* respectively, as Type 2 charstrings; -1 if keywords not present */ + FT_Int ndv_idx; + FT_Int cdv_idx; + + /* undocumented, optional: has the same meaning as len_buildchar */ + /* for Type 2 fonts; manipulated by othersubrs 19, 24, and 25 */ + FT_UInt len_buildchar; + FT_Long* buildchar; + + /* since version 2.1 - interface to PostScript hinter */ + const void* pshinter; + + } T1_FaceRec; + + + typedef struct CID_FaceRec_ + { + FT_FaceRec root; + void* psnames; + void* psaux; + CID_FaceInfoRec cid; + PS_FontExtraRec font_extra; +#if 0 + void* afm_data; +#endif + CID_Subrs subrs; + + /* since version 2.1 - interface to PostScript hinter */ + void* pshinter; + + /* since version 2.1.8, but was originally positioned after `afm_data' */ + FT_Byte* binary_data; /* used if hex data has been converted */ + FT_Stream cid_stream; + + } CID_FaceRec; + + +FT_END_HEADER + +#endif /* T1TYPES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/tttypes.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/tttypes.h new file mode 100644 index 00000000000..10dd336a899 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/internal/tttypes.h @@ -0,0 +1,1689 @@ +/***************************************************************************/ +/* */ +/* tttypes.h */ +/* */ +/* Basic SFNT/TrueType type definitions and interface (specification */ +/* only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTTYPES_H_ +#define TTTYPES_H_ + + +#include <ft2build.h> +#include FT_TRUETYPE_TABLES_H +#include FT_INTERNAL_OBJECTS_H + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include FT_MULTIPLE_MASTERS_H +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** REQUIRED TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TTC_HeaderRec */ + /* */ + /* <Description> */ + /* TrueType collection header. This table contains the offsets of */ + /* the font headers of each distinct TrueType face in the file. */ + /* */ + /* <Fields> */ + /* tag :: Must be `ttc ' to indicate a TrueType collection. */ + /* */ + /* version :: The version number. */ + /* */ + /* count :: The number of faces in the collection. The */ + /* specification says this should be an unsigned long, but */ + /* we use a signed long since we need the value -1 for */ + /* specific purposes. */ + /* */ + /* offsets :: The offsets of the font headers, one per face. */ + /* */ + typedef struct TTC_HeaderRec_ + { + FT_ULong tag; + FT_Fixed version; + FT_Long count; + FT_ULong* offsets; + + } TTC_HeaderRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* SFNT_HeaderRec */ + /* */ + /* <Description> */ + /* SFNT file format header. */ + /* */ + /* <Fields> */ + /* format_tag :: The font format tag. */ + /* */ + /* num_tables :: The number of tables in file. */ + /* */ + /* search_range :: Must be `16 * (max power of 2 <= num_tables)'. */ + /* */ + /* entry_selector :: Must be log2 of `search_range / 16'. */ + /* */ + /* range_shift :: Must be `num_tables * 16 - search_range'. */ + /* */ + typedef struct SFNT_HeaderRec_ + { + FT_ULong format_tag; + FT_UShort num_tables; + FT_UShort search_range; + FT_UShort entry_selector; + FT_UShort range_shift; + + FT_ULong offset; /* not in file */ + + } SFNT_HeaderRec, *SFNT_Header; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_TableRec */ + /* */ + /* <Description> */ + /* This structure describes a given table of a TrueType font. */ + /* */ + /* <Fields> */ + /* Tag :: A four-bytes tag describing the table. */ + /* */ + /* CheckSum :: The table checksum. This value can be ignored. */ + /* */ + /* Offset :: The offset of the table from the start of the TrueType */ + /* font in its resource. */ + /* */ + /* Length :: The table length (in bytes). */ + /* */ + typedef struct TT_TableRec_ + { + FT_ULong Tag; /* table type */ + FT_ULong CheckSum; /* table checksum */ + FT_ULong Offset; /* table file offset */ + FT_ULong Length; /* table length */ + + } TT_TableRec, *TT_Table; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* WOFF_HeaderRec */ + /* */ + /* <Description> */ + /* WOFF file format header. */ + /* */ + /* <Fields> */ + /* See */ + /* */ + /* https://www.w3.org/TR/WOFF/#WOFFHeader */ + /* */ + typedef struct WOFF_HeaderRec_ + { + FT_ULong signature; + FT_ULong flavor; + FT_ULong length; + FT_UShort num_tables; + FT_UShort reserved; + FT_ULong totalSfntSize; + FT_UShort majorVersion; + FT_UShort minorVersion; + FT_ULong metaOffset; + FT_ULong metaLength; + FT_ULong metaOrigLength; + FT_ULong privOffset; + FT_ULong privLength; + + } WOFF_HeaderRec, *WOFF_Header; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* WOFF_TableRec */ + /* */ + /* <Description> */ + /* This structure describes a given table of a WOFF font. */ + /* */ + /* <Fields> */ + /* Tag :: A four-bytes tag describing the table. */ + /* */ + /* Offset :: The offset of the table from the start of the WOFF */ + /* font in its resource. */ + /* */ + /* CompLength :: Compressed table length (in bytes). */ + /* */ + /* OrigLength :: Uncompressed table length (in bytes). */ + /* */ + /* CheckSum :: The table checksum. This value can be ignored. */ + /* */ + /* OrigOffset :: The uncompressed table file offset. This value gets */ + /* computed while constructing the (uncompressed) SFNT */ + /* header. It is not contained in the WOFF file. */ + /* */ + typedef struct WOFF_TableRec_ + { + FT_ULong Tag; /* table ID */ + FT_ULong Offset; /* table file offset */ + FT_ULong CompLength; /* compressed table length */ + FT_ULong OrigLength; /* uncompressed table length */ + FT_ULong CheckSum; /* uncompressed checksum */ + + FT_ULong OrigOffset; /* uncompressed table file offset */ + /* (not in the WOFF file) */ + } WOFF_TableRec, *WOFF_Table; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_LongMetricsRec */ + /* */ + /* <Description> */ + /* A structure modeling the long metrics of the `hmtx' and `vmtx' */ + /* TrueType tables. The values are expressed in font units. */ + /* */ + /* <Fields> */ + /* advance :: The advance width or height for the glyph. */ + /* */ + /* bearing :: The left-side or top-side bearing for the glyph. */ + /* */ + typedef struct TT_LongMetricsRec_ + { + FT_UShort advance; + FT_Short bearing; + + } TT_LongMetricsRec, *TT_LongMetrics; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* TT_ShortMetrics */ + /* */ + /* <Description> */ + /* A simple type to model the short metrics of the `hmtx' and `vmtx' */ + /* tables. */ + /* */ + typedef FT_Short TT_ShortMetrics; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_NameRec */ + /* */ + /* <Description> */ + /* A structure modeling TrueType name records. Name records are used */ + /* to store important strings like family name, style name, */ + /* copyright, etc. in _localized_ versions (i.e., language, encoding, */ + /* etc). */ + /* */ + /* <Fields> */ + /* platformID :: The ID of the name's encoding platform. */ + /* */ + /* encodingID :: The platform-specific ID for the name's encoding. */ + /* */ + /* languageID :: The platform-specific ID for the name's language. */ + /* */ + /* nameID :: The ID specifying what kind of name this is. */ + /* */ + /* stringLength :: The length of the string in bytes. */ + /* */ + /* stringOffset :: The offset to the string in the `name' table. */ + /* */ + /* string :: A pointer to the string's bytes. Note that these */ + /* are usually UTF-16 encoded characters. */ + /* */ + typedef struct TT_NameRec_ + { + FT_UShort platformID; + FT_UShort encodingID; + FT_UShort languageID; + FT_UShort nameID; + FT_UShort stringLength; + FT_ULong stringOffset; + + /* this last field is not defined in the spec */ + /* but used by the FreeType engine */ + + FT_Byte* string; + + } TT_NameRec, *TT_Name; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_LangTagRec */ + /* */ + /* <Description> */ + /* A structure modeling language tag records in SFNT `name' tables, */ + /* introduced in OpenType version 1.6. */ + /* */ + /* <Fields> */ + /* stringLength :: The length of the string in bytes. */ + /* */ + /* stringOffset :: The offset to the string in the `name' table. */ + /* */ + /* string :: A pointer to the string's bytes. Note that these */ + /* are UTF-16BE encoded characters. */ + /* */ + typedef struct TT_LangTagRec_ + { + FT_UShort stringLength; + FT_ULong stringOffset; + + /* this last field is not defined in the spec */ + /* but used by the FreeType engine */ + + FT_Byte* string; + + } TT_LangTagRec, *TT_LangTag; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_NameTableRec */ + /* */ + /* <Description> */ + /* A structure modeling the TrueType name table. */ + /* */ + /* <Fields> */ + /* format :: The format of the name table. */ + /* */ + /* numNameRecords :: The number of names in table. */ + /* */ + /* storageOffset :: The offset of the name table in the `name' */ + /* TrueType table. */ + /* */ + /* names :: An array of name records. */ + /* */ + /* numLangTagRecords :: The number of language tags in table. */ + /* */ + /* langTags :: An array of language tag records. */ + /* */ + /* stream :: The file's input stream. */ + /* */ + typedef struct TT_NameTableRec_ + { + FT_UShort format; + FT_UInt numNameRecords; + FT_UInt storageOffset; + TT_NameRec* names; + FT_UInt numLangTagRecords; + TT_LangTagRec* langTags; + FT_Stream stream; + + } TT_NameTableRec, *TT_NameTable; + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** OPTIONAL TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_GaspRangeRec */ + /* */ + /* <Description> */ + /* A tiny structure used to model a gasp range according to the */ + /* TrueType specification. */ + /* */ + /* <Fields> */ + /* maxPPEM :: The maximum ppem value to which `gaspFlag' applies. */ + /* */ + /* gaspFlag :: A flag describing the grid-fitting and anti-aliasing */ + /* modes to be used. */ + /* */ + typedef struct TT_GaspRangeRec_ + { + FT_UShort maxPPEM; + FT_UShort gaspFlag; + + } TT_GaspRangeRec, *TT_GaspRange; + + +#define TT_GASP_GRIDFIT 0x01 +#define TT_GASP_DOGRAY 0x02 + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_GaspRec */ + /* */ + /* <Description> */ + /* A structure modeling the TrueType `gasp' table used to specify */ + /* grid-fitting and anti-aliasing behaviour. */ + /* */ + /* <Fields> */ + /* version :: The version number. */ + /* */ + /* numRanges :: The number of gasp ranges in table. */ + /* */ + /* gaspRanges :: An array of gasp ranges. */ + /* */ + typedef struct TT_Gasp_ + { + FT_UShort version; + FT_UShort numRanges; + TT_GaspRange gaspRanges; + + } TT_GaspRec; + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** EMBEDDED BITMAPS SUPPORT ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_SBit_MetricsRec */ + /* */ + /* <Description> */ + /* A structure used to hold the big metrics of a given glyph bitmap */ + /* in a TrueType or OpenType font. These are usually found in the */ + /* `EBDT' (Microsoft) or `bloc' (Apple) table. */ + /* */ + /* <Fields> */ + /* height :: The glyph height in pixels. */ + /* */ + /* width :: The glyph width in pixels. */ + /* */ + /* horiBearingX :: The horizontal left bearing. */ + /* */ + /* horiBearingY :: The horizontal top bearing. */ + /* */ + /* horiAdvance :: The horizontal advance. */ + /* */ + /* vertBearingX :: The vertical left bearing. */ + /* */ + /* vertBearingY :: The vertical top bearing. */ + /* */ + /* vertAdvance :: The vertical advance. */ + /* */ + typedef struct TT_SBit_MetricsRec_ + { + FT_UShort height; + FT_UShort width; + + FT_Short horiBearingX; + FT_Short horiBearingY; + FT_UShort horiAdvance; + + FT_Short vertBearingX; + FT_Short vertBearingY; + FT_UShort vertAdvance; + + } TT_SBit_MetricsRec, *TT_SBit_Metrics; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_SBit_SmallMetricsRec */ + /* */ + /* <Description> */ + /* A structure used to hold the small metrics of a given glyph bitmap */ + /* in a TrueType or OpenType font. These are usually found in the */ + /* `EBDT' (Microsoft) or the `bdat' (Apple) table. */ + /* */ + /* <Fields> */ + /* height :: The glyph height in pixels. */ + /* */ + /* width :: The glyph width in pixels. */ + /* */ + /* bearingX :: The left-side bearing. */ + /* */ + /* bearingY :: The top-side bearing. */ + /* */ + /* advance :: The advance width or height. */ + /* */ + typedef struct TT_SBit_Small_Metrics_ + { + FT_Byte height; + FT_Byte width; + + FT_Char bearingX; + FT_Char bearingY; + FT_Byte advance; + + } TT_SBit_SmallMetricsRec, *TT_SBit_SmallMetrics; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_SBit_LineMetricsRec */ + /* */ + /* <Description> */ + /* A structure used to describe the text line metrics of a given */ + /* bitmap strike, for either a horizontal or vertical layout. */ + /* */ + /* <Fields> */ + /* ascender :: The ascender in pixels. */ + /* */ + /* descender :: The descender in pixels. */ + /* */ + /* max_width :: The maximum glyph width in pixels. */ + /* */ + /* caret_slope_enumerator :: Rise of the caret slope, typically set */ + /* to 1 for non-italic fonts. */ + /* */ + /* caret_slope_denominator :: Rise of the caret slope, typically set */ + /* to 0 for non-italic fonts. */ + /* */ + /* caret_offset :: Offset in pixels to move the caret for */ + /* proper positioning. */ + /* */ + /* min_origin_SB :: Minimum of horiBearingX (resp. */ + /* vertBearingY). */ + /* min_advance_SB :: Minimum of */ + /* */ + /* horizontal advance - */ + /* ( horiBearingX + width ) */ + /* */ + /* resp. */ + /* */ + /* vertical advance - */ + /* ( vertBearingY + height ) */ + /* */ + /* max_before_BL :: Maximum of horiBearingY (resp. */ + /* vertBearingY). */ + /* */ + /* min_after_BL :: Minimum of */ + /* */ + /* horiBearingY - height */ + /* */ + /* resp. */ + /* */ + /* vertBearingX - width */ + /* */ + /* pads :: Unused (to make the size of the record */ + /* a multiple of 32 bits. */ + /* */ + typedef struct TT_SBit_LineMetricsRec_ + { + FT_Char ascender; + FT_Char descender; + FT_Byte max_width; + FT_Char caret_slope_numerator; + FT_Char caret_slope_denominator; + FT_Char caret_offset; + FT_Char min_origin_SB; + FT_Char min_advance_SB; + FT_Char max_before_BL; + FT_Char min_after_BL; + FT_Char pads[2]; + + } TT_SBit_LineMetricsRec, *TT_SBit_LineMetrics; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_SBit_RangeRec */ + /* */ + /* <Description> */ + /* A TrueType/OpenType subIndexTable as defined in the `EBLC' */ + /* (Microsoft) or `bloc' (Apple) tables. */ + /* */ + /* <Fields> */ + /* first_glyph :: The first glyph index in the range. */ + /* */ + /* last_glyph :: The last glyph index in the range. */ + /* */ + /* index_format :: The format of index table. Valid values are 1 */ + /* to 5. */ + /* */ + /* image_format :: The format of `EBDT' image data. */ + /* */ + /* image_offset :: The offset to image data in `EBDT'. */ + /* */ + /* image_size :: For index formats 2 and 5. This is the size in */ + /* bytes of each glyph bitmap. */ + /* */ + /* big_metrics :: For index formats 2 and 5. This is the big */ + /* metrics for each glyph bitmap. */ + /* */ + /* num_glyphs :: For index formats 4 and 5. This is the number of */ + /* glyphs in the code array. */ + /* */ + /* glyph_offsets :: For index formats 1 and 3. */ + /* */ + /* glyph_codes :: For index formats 4 and 5. */ + /* */ + /* table_offset :: The offset of the index table in the `EBLC' */ + /* table. Only used during strike loading. */ + /* */ + typedef struct TT_SBit_RangeRec_ + { + FT_UShort first_glyph; + FT_UShort last_glyph; + + FT_UShort index_format; + FT_UShort image_format; + FT_ULong image_offset; + + FT_ULong image_size; + TT_SBit_MetricsRec metrics; + FT_ULong num_glyphs; + + FT_ULong* glyph_offsets; + FT_UShort* glyph_codes; + + FT_ULong table_offset; + + } TT_SBit_RangeRec, *TT_SBit_Range; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_SBit_StrikeRec */ + /* */ + /* <Description> */ + /* A structure used describe a given bitmap strike in the `EBLC' */ + /* (Microsoft) or `bloc' (Apple) tables. */ + /* */ + /* <Fields> */ + /* num_index_ranges :: The number of index ranges. */ + /* */ + /* index_ranges :: An array of glyph index ranges. */ + /* */ + /* color_ref :: Unused. `color_ref' is put in for future */ + /* enhancements, but these fields are already */ + /* in use by other platforms (e.g. Newton). */ + /* For details, please see */ + /* */ + /* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6bloc.html */ + /* */ + /* hori :: The line metrics for horizontal layouts. */ + /* */ + /* vert :: The line metrics for vertical layouts. */ + /* */ + /* start_glyph :: The lowest glyph index for this strike. */ + /* */ + /* end_glyph :: The highest glyph index for this strike. */ + /* */ + /* x_ppem :: The number of horizontal pixels per EM. */ + /* */ + /* y_ppem :: The number of vertical pixels per EM. */ + /* */ + /* bit_depth :: The bit depth. Valid values are 1, 2, 4, */ + /* and 8. */ + /* */ + /* flags :: Is this a vertical or horizontal strike? For */ + /* details, please see */ + /* */ + /* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6bloc.html */ + /* */ + typedef struct TT_SBit_StrikeRec_ + { + FT_Int num_ranges; + TT_SBit_Range sbit_ranges; + FT_ULong ranges_offset; + + FT_ULong color_ref; + + TT_SBit_LineMetricsRec hori; + TT_SBit_LineMetricsRec vert; + + FT_UShort start_glyph; + FT_UShort end_glyph; + + FT_Byte x_ppem; + FT_Byte y_ppem; + + FT_Byte bit_depth; + FT_Char flags; + + } TT_SBit_StrikeRec, *TT_SBit_Strike; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_SBit_ComponentRec */ + /* */ + /* <Description> */ + /* A simple structure to describe a compound sbit element. */ + /* */ + /* <Fields> */ + /* glyph_code :: The element's glyph index. */ + /* */ + /* x_offset :: The element's left bearing. */ + /* */ + /* y_offset :: The element's top bearing. */ + /* */ + typedef struct TT_SBit_ComponentRec_ + { + FT_UShort glyph_code; + FT_Char x_offset; + FT_Char y_offset; + + } TT_SBit_ComponentRec, *TT_SBit_Component; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_SBit_ScaleRec */ + /* */ + /* <Description> */ + /* A structure used describe a given bitmap scaling table, as defined */ + /* in the `EBSC' table. */ + /* */ + /* <Fields> */ + /* hori :: The horizontal line metrics. */ + /* */ + /* vert :: The vertical line metrics. */ + /* */ + /* x_ppem :: The number of horizontal pixels per EM. */ + /* */ + /* y_ppem :: The number of vertical pixels per EM. */ + /* */ + /* x_ppem_substitute :: Substitution x_ppem value. */ + /* */ + /* y_ppem_substitute :: Substitution y_ppem value. */ + /* */ + typedef struct TT_SBit_ScaleRec_ + { + TT_SBit_LineMetricsRec hori; + TT_SBit_LineMetricsRec vert; + + FT_Byte x_ppem; + FT_Byte y_ppem; + + FT_Byte x_ppem_substitute; + FT_Byte y_ppem_substitute; + + } TT_SBit_ScaleRec, *TT_SBit_Scale; + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** POSTSCRIPT GLYPH NAMES SUPPORT ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_Post_20Rec */ + /* */ + /* <Description> */ + /* Postscript names sub-table, format 2.0. Stores the PS name of */ + /* each glyph in the font face. */ + /* */ + /* <Fields> */ + /* num_glyphs :: The number of named glyphs in the table. */ + /* */ + /* num_names :: The number of PS names stored in the table. */ + /* */ + /* glyph_indices :: The indices of the glyphs in the names arrays. */ + /* */ + /* glyph_names :: The PS names not in Mac Encoding. */ + /* */ + typedef struct TT_Post_20Rec_ + { + FT_UShort num_glyphs; + FT_UShort num_names; + FT_UShort* glyph_indices; + FT_Char** glyph_names; + + } TT_Post_20Rec, *TT_Post_20; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_Post_25Rec */ + /* */ + /* <Description> */ + /* Postscript names sub-table, format 2.5. Stores the PS name of */ + /* each glyph in the font face. */ + /* */ + /* <Fields> */ + /* num_glyphs :: The number of glyphs in the table. */ + /* */ + /* offsets :: An array of signed offsets in a normal Mac */ + /* Postscript name encoding. */ + /* */ + typedef struct TT_Post_25_ + { + FT_UShort num_glyphs; + FT_Char* offsets; + + } TT_Post_25Rec, *TT_Post_25; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_Post_NamesRec */ + /* */ + /* <Description> */ + /* Postscript names table, either format 2.0 or 2.5. */ + /* */ + /* <Fields> */ + /* loaded :: A flag to indicate whether the PS names are loaded. */ + /* */ + /* format_20 :: The sub-table used for format 2.0. */ + /* */ + /* format_25 :: The sub-table used for format 2.5. */ + /* */ + typedef struct TT_Post_NamesRec_ + { + FT_Bool loaded; + + union + { + TT_Post_20Rec format_20; + TT_Post_25Rec format_25; + + } names; + + } TT_Post_NamesRec, *TT_Post_Names; + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** GX VARIATION TABLE SUPPORT ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + typedef struct GX_BlendRec_ *GX_Blend; +#endif + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** EMBEDDED BDF PROPERTIES TABLE SUPPORT ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + /* + * These types are used to support a `BDF ' table that isn't part of the + * official TrueType specification. It is mainly used in SFNT-based + * bitmap fonts that were generated from a set of BDF fonts. + * + * The format of the table is as follows. + * + * USHORT version `BDF ' table version number, should be 0x0001. + * USHORT strikeCount Number of strikes (bitmap sizes) in this table. + * ULONG stringTable Offset (from start of BDF table) to string + * table. + * + * This is followed by an array of `strikeCount' descriptors, having the + * following format. + * + * USHORT ppem Vertical pixels per EM for this strike. + * USHORT numItems Number of items for this strike (properties and + * atoms). Maximum is 255. + * + * This array in turn is followed by `strikeCount' value sets. Each + * `value set' is an array of `numItems' items with the following format. + * + * ULONG item_name Offset in string table to item name. + * USHORT item_type The item type. Possible values are + * 0 => string (e.g., COMMENT) + * 1 => atom (e.g., FONT or even SIZE) + * 2 => int32 + * 3 => uint32 + * 0x10 => A flag to indicate a properties. This + * is ORed with the above values. + * ULONG item_value For strings => Offset into string table without + * the corresponding double quotes. + * For atoms => Offset into string table. + * For integers => Direct value. + * + * All strings in the string table consist of bytes and are + * zero-terminated. + * + */ + +#ifdef TT_CONFIG_OPTION_BDF + + typedef struct TT_BDFRec_ + { + FT_Byte* table; + FT_Byte* table_end; + FT_Byte* strings; + FT_ULong strings_size; + FT_UInt num_strikes; + FT_Bool loaded; + + } TT_BDFRec, *TT_BDF; + +#endif /* TT_CONFIG_OPTION_BDF */ + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** ***/ + /*** ORIGINAL TT_FACE CLASS DEFINITION ***/ + /*** ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This structure/class is defined here because it is common to the */ + /* following formats: TTF, OpenType-TT, and OpenType-CFF. */ + /* */ + /* Note, however, that the classes TT_Size and TT_GlyphSlot are not */ + /* shared between font drivers, and are thus defined in `ttobjs.h'. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* TT_Face */ + /* */ + /* <Description> */ + /* A handle to a TrueType face/font object. A TT_Face encapsulates */ + /* the resolution and scaling independent parts of a TrueType font */ + /* resource. */ + /* */ + /* <Note> */ + /* The TT_Face structure is also used as a `parent class' for the */ + /* OpenType-CFF class (T2_Face). */ + /* */ + typedef struct TT_FaceRec_* TT_Face; + + + /* a function type used for the truetype bytecode interpreter hooks */ + typedef FT_Error + (*TT_Interpreter)( void* exec_context ); + + /* forward declaration */ + typedef struct TT_LoaderRec_* TT_Loader; + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Loader_GotoTableFunc */ + /* */ + /* <Description> */ + /* Seeks a stream to the start of a given TrueType table. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* tag :: A 4-byte tag used to name the table. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* <Output> */ + /* length :: The length of the table in bytes. Set to 0 if not */ + /* needed. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* The stream cursor must be at the font file's origin. */ + /* */ + typedef FT_Error + (*TT_Loader_GotoTableFunc)( TT_Face face, + FT_ULong tag, + FT_Stream stream, + FT_ULong* length ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Loader_StartGlyphFunc */ + /* */ + /* <Description> */ + /* Seeks a stream to the start of a given glyph element, and opens a */ + /* frame for it. */ + /* */ + /* <Input> */ + /* loader :: The current TrueType glyph loader object. */ + /* */ + /* glyph index :: The index of the glyph to access. */ + /* */ + /* offset :: The offset of the glyph according to the */ + /* `locations' table. */ + /* */ + /* byte_count :: The size of the frame in bytes. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* This function is normally equivalent to FT_STREAM_SEEK(offset) */ + /* followed by FT_FRAME_ENTER(byte_count) with the loader's stream, */ + /* but alternative formats (e.g. compressed ones) might use something */ + /* different. */ + /* */ + typedef FT_Error + (*TT_Loader_StartGlyphFunc)( TT_Loader loader, + FT_UInt glyph_index, + FT_ULong offset, + FT_UInt byte_count ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Loader_ReadGlyphFunc */ + /* */ + /* <Description> */ + /* Reads one glyph element (its header, a simple glyph, or a */ + /* composite) from the loader's current stream frame. */ + /* */ + /* <Input> */ + /* loader :: The current TrueType glyph loader object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + typedef FT_Error + (*TT_Loader_ReadGlyphFunc)( TT_Loader loader ); + + + /*************************************************************************/ + /* */ + /* <FuncType> */ + /* TT_Loader_EndGlyphFunc */ + /* */ + /* <Description> */ + /* Closes the current loader stream frame for the glyph. */ + /* */ + /* <Input> */ + /* loader :: The current TrueType glyph loader object. */ + /* */ + typedef void + (*TT_Loader_EndGlyphFunc)( TT_Loader loader ); + + + typedef enum TT_SbitTableType_ + { + TT_SBIT_TABLE_TYPE_NONE = 0, + TT_SBIT_TABLE_TYPE_EBLC, /* `EBLC' (Microsoft), */ + /* `bloc' (Apple) */ + TT_SBIT_TABLE_TYPE_CBLC, /* `CBLC' (Google) */ + TT_SBIT_TABLE_TYPE_SBIX, /* `sbix' (Apple) */ + + /* do not remove */ + TT_SBIT_TABLE_TYPE_MAX + + } TT_SbitTableType; + + + /* OpenType 1.8 brings new tables for variation font support; */ + /* to make the old MM and GX fonts still work we need to check */ + /* the presence (and validity) of the functionality provided */ + /* by those tables. The following flag macros are for the */ + /* field `variation_support'. */ + /* */ + /* Note that `fvar' gets checked immediately at font loading, */ + /* while the other features are only loaded if MM support is */ + /* actually requested. */ + + /* FVAR */ +#define TT_FACE_FLAG_VAR_FVAR ( 1 << 0 ) + + /* HVAR */ +#define TT_FACE_FLAG_VAR_HADVANCE ( 1 << 1 ) +#define TT_FACE_FLAG_VAR_LSB ( 1 << 2 ) +#define TT_FACE_FLAG_VAR_RSB ( 1 << 3 ) + + /* VVAR */ +#define TT_FACE_FLAG_VAR_VADVANCE ( 1 << 4 ) +#define TT_FACE_FLAG_VAR_TSB ( 1 << 5 ) +#define TT_FACE_FLAG_VAR_BSB ( 1 << 6 ) +#define TT_FACE_FLAG_VAR_VORG ( 1 << 7 ) + + /* MVAR */ +#define TT_FACE_FLAG_VAR_MVAR ( 1 << 8 ) + + + /*************************************************************************/ + /* */ + /* TrueType Face Type */ + /* */ + /* <Struct> */ + /* TT_Face */ + /* */ + /* <Description> */ + /* The TrueType face class. These objects model the resolution and */ + /* point-size independent data found in a TrueType font file. */ + /* */ + /* <Fields> */ + /* root :: The base FT_Face structure, managed by the */ + /* base layer. */ + /* */ + /* ttc_header :: The TrueType collection header, used when */ + /* the file is a `ttc' rather than a `ttf'. */ + /* For ordinary font files, the field */ + /* `ttc_header.count' is set to 0. */ + /* */ + /* format_tag :: The font format tag. */ + /* */ + /* num_tables :: The number of TrueType tables in this font */ + /* file. */ + /* */ + /* dir_tables :: The directory of TrueType tables for this */ + /* font file. */ + /* */ + /* header :: The font's font header (`head' table). */ + /* Read on font opening. */ + /* */ + /* horizontal :: The font's horizontal header (`hhea' */ + /* table). This field also contains the */ + /* associated horizontal metrics table */ + /* (`hmtx'). */ + /* */ + /* max_profile :: The font's maximum profile table. Read on */ + /* font opening. Note that some maximum */ + /* values cannot be taken directly from this */ + /* table. We thus define additional fields */ + /* below to hold the computed maxima. */ + /* */ + /* vertical_info :: A boolean which is set when the font file */ + /* contains vertical metrics. If not, the */ + /* value of the `vertical' field is */ + /* undefined. */ + /* */ + /* vertical :: The font's vertical header (`vhea' table). */ + /* This field also contains the associated */ + /* vertical metrics table (`vmtx'), if found. */ + /* IMPORTANT: The contents of this field is */ + /* undefined if the `vertical_info' field is */ + /* unset. */ + /* */ + /* num_names :: The number of name records within this */ + /* TrueType font. */ + /* */ + /* name_table :: The table of name records (`name'). */ + /* */ + /* os2 :: The font's OS/2 table (`OS/2'). */ + /* */ + /* postscript :: The font's PostScript table (`post' */ + /* table). The PostScript glyph names are */ + /* not loaded by the driver on face opening. */ + /* See the `ttpost' module for more details. */ + /* */ + /* cmap_table :: Address of the face's `cmap' SFNT table */ + /* in memory (it's an extracted frame). */ + /* */ + /* cmap_size :: The size in bytes of the `cmap_table' */ + /* described above. */ + /* */ + /* goto_table :: A function called by each TrueType table */ + /* loader to position a stream's cursor to */ + /* the start of a given table according to */ + /* its tag. It defaults to TT_Goto_Face but */ + /* can be different for strange formats (e.g. */ + /* Type 42). */ + /* */ + /* access_glyph_frame :: A function used to access the frame of a */ + /* given glyph within the face's font file. */ + /* */ + /* forget_glyph_frame :: A function used to forget the frame of a */ + /* given glyph when all data has been loaded. */ + /* */ + /* read_glyph_header :: A function used to read a glyph header. */ + /* It must be called between an `access' and */ + /* `forget'. */ + /* */ + /* read_simple_glyph :: A function used to read a simple glyph. */ + /* It must be called after the header was */ + /* read, and before the `forget'. */ + /* */ + /* read_composite_glyph :: A function used to read a composite glyph. */ + /* It must be called after the header was */ + /* read, and before the `forget'. */ + /* */ + /* sfnt :: A pointer to the SFNT service. */ + /* */ + /* psnames :: A pointer to the PostScript names service. */ + /* */ + /* mm :: A pointer to the Multiple Masters service. */ + /* */ + /* var :: A pointer to the Metrics Variations */ + /* service. */ + /* */ + /* hdmx :: The face's horizontal device metrics */ + /* (`hdmx' table). This table is optional in */ + /* TrueType/OpenType fonts. */ + /* */ + /* gasp :: The grid-fitting and scaling properties */ + /* table (`gasp'). This table is optional in */ + /* TrueType/OpenType fonts. */ + /* */ + /* pclt :: The `pclt' SFNT table. */ + /* */ + /* num_sbit_scales :: The number of sbit scales for this font. */ + /* */ + /* sbit_scales :: Array of sbit scales embedded in this */ + /* font. This table is optional in a */ + /* TrueType/OpenType font. */ + /* */ + /* postscript_names :: A table used to store the Postscript names */ + /* of the glyphs for this font. See the */ + /* file `ttconfig.h' for comments on the */ + /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES option. */ + /* */ + /* font_program_size :: Size in bytecodes of the face's font */ + /* program. 0 if none defined. Ignored for */ + /* Type 2 fonts. */ + /* */ + /* font_program :: The face's font program (bytecode stream) */ + /* executed at load time, also used during */ + /* glyph rendering. Comes from the `fpgm' */ + /* table. Ignored for Type 2 font fonts. */ + /* */ + /* cvt_program_size :: The size in bytecodes of the face's cvt */ + /* program. Ignored for Type 2 fonts. */ + /* */ + /* cvt_program :: The face's cvt program (bytecode stream) */ + /* executed each time an instance/size is */ + /* changed/reset. Comes from the `prep' */ + /* table. Ignored for Type 2 fonts. */ + /* */ + /* cvt_size :: Size of the control value table (in */ + /* entries). Ignored for Type 2 fonts. */ + /* */ + /* cvt :: The face's original control value table. */ + /* Coordinates are expressed in unscaled font */ + /* units. Comes from the `cvt ' table. */ + /* Ignored for Type 2 fonts. */ + /* */ + /* interpreter :: A pointer to the TrueType bytecode */ + /* interpreters field is also used to hook */ + /* the debugger in `ttdebug'. */ + /* */ + /* extra :: Reserved for third-party font drivers. */ + /* */ + /* postscript_name :: The PS name of the font. Used by the */ + /* postscript name service. */ + /* */ + /* glyf_len :: The length of the `glyf' table. Needed */ + /* for malformed `loca' tables. */ + /* */ + /* glyf_offset :: The file offset of the `glyf' table. */ + /* */ + /* is_cff2 :: Set if the font format is CFF2. */ + /* */ + /* doblend :: A boolean which is set if the font should */ + /* be blended (this is for GX var). */ + /* */ + /* blend :: Contains the data needed to control GX */ + /* variation tables (rather like Multiple */ + /* Master data). */ + /* */ + /* variation_support :: Flags that indicate which OpenType */ + /* functionality related to font variation */ + /* support is present, valid, and usable. */ + /* For example, TT_FACE_FLAG_VAR_FVAR is only */ + /* set if we have at least one design axis. */ + /* */ + /* var_postscript_prefix :: */ + /* The PostScript name prefix needed for */ + /* constructing a variation font instance's */ + /* PS name . */ + /* */ + /* var_postscript_prefix_len :: */ + /* The length of the `var_postscript_prefix' */ + /* string. */ + /* */ + /* horz_metrics_size :: The size of the `hmtx' table. */ + /* */ + /* vert_metrics_size :: The size of the `vmtx' table. */ + /* */ + /* num_locations :: The number of glyph locations in this */ + /* TrueType file. This should be */ + /* identical to the number of glyphs. */ + /* Ignored for Type 2 fonts. */ + /* */ + /* glyph_locations :: An array of longs. These are offsets to */ + /* glyph data within the `glyf' table. */ + /* Ignored for Type 2 font faces. */ + /* */ + /* hdmx_table :: A pointer to the `hdmx' table. */ + /* */ + /* hdmx_table_size :: The size of the `hdmx' table. */ + /* */ + /* hdmx_record_count :: The number of hdmx records. */ + /* */ + /* hdmx_record_size :: The size of a single hdmx record. */ + /* */ + /* hdmx_record_sizes :: An array holding the ppem sizes available */ + /* in the `hdmx' table. */ + /* */ + /* sbit_table :: A pointer to the font's embedded bitmap */ + /* location table. */ + /* */ + /* sbit_table_size :: The size of `sbit_table'. */ + /* */ + /* sbit_table_type :: The sbit table type (CBLC, sbix, etc.). */ + /* */ + /* sbit_num_strikes :: The number of sbit strikes exposed by */ + /* FreeType's API, omitting invalid strikes. */ + /* */ + /* sbit_strike_map :: A mapping between the strike indices */ + /* exposed by the API and the indices used in */ + /* the font's sbit table. */ + /* */ + /* kern_table :: A pointer to the `kern' table. */ + /* */ + /* kern_table_size :: The size of the `kern' table. */ + /* */ + /* num_kern_tables :: The number of supported kern subtables */ + /* (up to 32; FreeType recognizes only */ + /* horizontal ones with format 0). */ + /* */ + /* kern_avail_bits :: The availability status of kern subtables; */ + /* if bit n is set, table n is available. */ + /* */ + /* kern_order_bits :: The sortedness status of kern subtables; */ + /* if bit n is set, table n is sorted. */ + /* */ + /* bdf :: Data related to an SFNT font's `bdf' */ + /* table; see `tttypes.h'. */ + /* */ + /* horz_metrics_offset :: The file offset of the `hmtx' table. */ + /* */ + /* vert_metrics_offset :: The file offset of the `vmtx' table. */ + /* */ + /* sph_found_func_flags :: Flags identifying special bytecode */ + /* functions (used by the v38 implementation */ + /* of the bytecode interpreter). */ + /* */ + /* sph_compatibility_mode :: */ + /* This flag is set if we are in ClearType */ + /* backward compatibility mode (used by the */ + /* v38 implementation of the bytecode */ + /* interpreter). */ + /* */ + /* ebdt_start :: The file offset of the sbit data table */ + /* (CBDT, bdat, etc.). */ + /* */ + /* ebdt_size :: The size of the sbit data table. */ + /* */ + typedef struct TT_FaceRec_ + { + FT_FaceRec root; + + TTC_HeaderRec ttc_header; + + FT_ULong format_tag; + FT_UShort num_tables; + TT_Table dir_tables; + + TT_Header header; /* TrueType header table */ + TT_HoriHeader horizontal; /* TrueType horizontal header */ + + TT_MaxProfile max_profile; + + FT_Bool vertical_info; + TT_VertHeader vertical; /* TT Vertical header, if present */ + + FT_UShort num_names; /* number of name records */ + TT_NameTableRec name_table; /* name table */ + + TT_OS2 os2; /* TrueType OS/2 table */ + TT_Postscript postscript; /* TrueType Postscript table */ + + FT_Byte* cmap_table; /* extracted `cmap' table */ + FT_ULong cmap_size; + + TT_Loader_GotoTableFunc goto_table; + + TT_Loader_StartGlyphFunc access_glyph_frame; + TT_Loader_EndGlyphFunc forget_glyph_frame; + TT_Loader_ReadGlyphFunc read_glyph_header; + TT_Loader_ReadGlyphFunc read_simple_glyph; + TT_Loader_ReadGlyphFunc read_composite_glyph; + + /* a typeless pointer to the SFNT_Interface table used to load */ + /* the basic TrueType tables in the face object */ + void* sfnt; + + /* a typeless pointer to the FT_Service_PsCMapsRec table used to */ + /* handle glyph names <-> unicode & Mac values */ + void* psnames; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* a typeless pointer to the FT_Service_MultiMasters table used to */ + /* handle variation fonts */ + void* mm; + + /* a typeless pointer to the FT_Service_MetricsVariationsRec table */ + /* used to handle the HVAR, VVAR, and MVAR OpenType tables */ + void* var; +#endif + + /* a typeless pointer to the PostScript Aux service */ + void* psaux; + + + /***********************************************************************/ + /* */ + /* Optional TrueType/OpenType tables */ + /* */ + /***********************************************************************/ + + /* grid-fitting and scaling table */ + TT_GaspRec gasp; /* the `gasp' table */ + + /* PCL 5 table */ + TT_PCLT pclt; + + /* embedded bitmaps support */ + FT_ULong num_sbit_scales; + TT_SBit_Scale sbit_scales; + + /* postscript names table */ + TT_Post_NamesRec postscript_names; + + + /***********************************************************************/ + /* */ + /* TrueType-specific fields (ignored by the CFF driver) */ + /* */ + /***********************************************************************/ + + /* the font program, if any */ + FT_ULong font_program_size; + FT_Byte* font_program; + + /* the cvt program, if any */ + FT_ULong cvt_program_size; + FT_Byte* cvt_program; + + /* the original, unscaled, control value table */ + FT_ULong cvt_size; + FT_Short* cvt; + + /* A pointer to the bytecode interpreter to use. This is also */ + /* used to hook the debugger for the `ttdebug' utility. */ + TT_Interpreter interpreter; + + + /***********************************************************************/ + /* */ + /* Other tables or fields. This is used by derivative formats like */ + /* OpenType. */ + /* */ + /***********************************************************************/ + + FT_Generic extra; + + const char* postscript_name; + + FT_ULong glyf_len; + FT_ULong glyf_offset; /* since 2.7.1 */ + + FT_Bool is_cff2; /* since 2.7.1 */ + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_Bool doblend; + GX_Blend blend; + + FT_UInt32 variation_support; /* since 2.7.1 */ + + const char* var_postscript_prefix; /* since 2.7.2 */ + FT_UInt var_postscript_prefix_len; /* since 2.7.2 */ + +#endif + + /* since version 2.2 */ + + FT_ULong horz_metrics_size; + FT_ULong vert_metrics_size; + + FT_ULong num_locations; /* in broken TTF, gid > 0xFFFF */ + FT_Byte* glyph_locations; + + FT_Byte* hdmx_table; + FT_ULong hdmx_table_size; + FT_UInt hdmx_record_count; + FT_ULong hdmx_record_size; + FT_Byte* hdmx_record_sizes; + + FT_Byte* sbit_table; + FT_ULong sbit_table_size; + TT_SbitTableType sbit_table_type; + FT_UInt sbit_num_strikes; + FT_UInt* sbit_strike_map; + + FT_Byte* kern_table; + FT_ULong kern_table_size; + FT_UInt num_kern_tables; + FT_UInt32 kern_avail_bits; + FT_UInt32 kern_order_bits; + +#ifdef TT_CONFIG_OPTION_BDF + TT_BDFRec bdf; +#endif /* TT_CONFIG_OPTION_BDF */ + + /* since 2.3.0 */ + FT_ULong horz_metrics_offset; + FT_ULong vert_metrics_offset; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* since 2.4.12 */ + FT_ULong sph_found_func_flags; /* special functions found */ + /* for this face */ + FT_Bool sph_compatibility_mode; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + /* since 2.7 */ + FT_ULong ebdt_start; /* either `CBDT', `EBDT', or `bdat' */ + FT_ULong ebdt_size; +#endif + + } TT_FaceRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_GlyphZoneRec */ + /* */ + /* <Description> */ + /* A glyph zone is used to load, scale and hint glyph outline */ + /* coordinates. */ + /* */ + /* <Fields> */ + /* memory :: A handle to the memory manager. */ + /* */ + /* max_points :: The maximum size in points of the zone. */ + /* */ + /* max_contours :: Max size in links contours of the zone. */ + /* */ + /* n_points :: The current number of points in the zone. */ + /* */ + /* n_contours :: The current number of contours in the zone. */ + /* */ + /* org :: The original glyph coordinates (font */ + /* units/scaled). */ + /* */ + /* cur :: The current glyph coordinates (scaled/hinted). */ + /* */ + /* tags :: The point control tags. */ + /* */ + /* contours :: The contours end points. */ + /* */ + /* first_point :: Offset of the current subglyph's first point. */ + /* */ + typedef struct TT_GlyphZoneRec_ + { + FT_Memory memory; + FT_UShort max_points; + FT_Short max_contours; + FT_UShort n_points; /* number of points in zone */ + FT_Short n_contours; /* number of contours */ + + FT_Vector* org; /* original point coordinates */ + FT_Vector* cur; /* current point coordinates */ + FT_Vector* orus; /* original (unscaled) point coordinates */ + + FT_Byte* tags; /* current touch flags */ + FT_UShort* contours; /* contour end points */ + + FT_UShort first_point; /* offset of first (#0) point */ + + } TT_GlyphZoneRec, *TT_GlyphZone; + + + /* handle to execution context */ + typedef struct TT_ExecContextRec_* TT_ExecContext; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* TT_Size */ + /* */ + /* <Description> */ + /* A handle to a TrueType size object. */ + /* */ + typedef struct TT_SizeRec_* TT_Size; + + + /* glyph loader structure */ + typedef struct TT_LoaderRec_ + { + TT_Face face; + TT_Size size; + FT_GlyphSlot glyph; + FT_GlyphLoader gloader; + + FT_ULong load_flags; + FT_UInt glyph_index; + + FT_Stream stream; + FT_Int byte_len; + + FT_Short n_contours; + FT_BBox bbox; + FT_Int left_bearing; + FT_Int advance; + FT_Int linear; + FT_Bool linear_def; + FT_Vector pp1; + FT_Vector pp2; + + /* the zone where we load our glyphs */ + TT_GlyphZoneRec base; + TT_GlyphZoneRec zone; + + TT_ExecContext exec; + FT_Byte* instructions; + FT_ULong ins_pos; + + /* for possible extensibility in other formats */ + void* other; + + /* since version 2.1.8 */ + FT_Int top_bearing; + FT_Int vadvance; + FT_Vector pp3; + FT_Vector pp4; + + /* since version 2.2.1 */ + FT_Byte* cursor; + FT_Byte* limit; + + /* since version 2.6.2 */ + FT_ListRec composites; + + } TT_LoaderRec; + + +FT_END_HEADER + +#endif /* TTTYPES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/t1tables.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/t1tables.h new file mode 100644 index 00000000000..3503c2616bd --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/t1tables.h @@ -0,0 +1,770 @@ +/***************************************************************************/ +/* */ +/* t1tables.h */ +/* */ +/* Basic Type 1/Type 2 tables definitions and interface (specification */ +/* only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1TABLES_H_ +#define T1TABLES_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* type1_tables */ + /* */ + /* <Title> */ + /* Type 1 Tables */ + /* */ + /* <Abstract> */ + /* Type~1 (PostScript) specific font tables. */ + /* */ + /* <Description> */ + /* This section contains the definition of Type 1-specific tables, */ + /* including structures related to other PostScript font formats. */ + /* */ + /* <Order> */ + /* PS_FontInfoRec */ + /* PS_FontInfo */ + /* PS_PrivateRec */ + /* PS_Private */ + /* */ + /* CID_FaceDictRec */ + /* CID_FaceDict */ + /* CID_FaceInfoRec */ + /* CID_FaceInfo */ + /* */ + /* FT_Has_PS_Glyph_Names */ + /* FT_Get_PS_Font_Info */ + /* FT_Get_PS_Font_Private */ + /* FT_Get_PS_Font_Value */ + /* */ + /* T1_Blend_Flags */ + /* T1_EncodingType */ + /* PS_Dict_Keys */ + /* */ + /*************************************************************************/ + + + /* Note that we separate font data in PS_FontInfoRec and PS_PrivateRec */ + /* structures in order to support Multiple Master fonts. */ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* PS_FontInfoRec */ + /* */ + /* <Description> */ + /* A structure used to model a Type~1 or Type~2 FontInfo dictionary. */ + /* Note that for Multiple Master fonts, each instance has its own */ + /* FontInfo dictionary. */ + /* */ + typedef struct PS_FontInfoRec_ + { + FT_String* version; + FT_String* notice; + FT_String* full_name; + FT_String* family_name; + FT_String* weight; + FT_Long italic_angle; + FT_Bool is_fixed_pitch; + FT_Short underline_position; + FT_UShort underline_thickness; + + } PS_FontInfoRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* PS_FontInfo */ + /* */ + /* <Description> */ + /* A handle to a @PS_FontInfoRec structure. */ + /* */ + typedef struct PS_FontInfoRec_* PS_FontInfo; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* T1_FontInfo */ + /* */ + /* <Description> */ + /* This type is equivalent to @PS_FontInfoRec. It is deprecated but */ + /* kept to maintain source compatibility between various versions of */ + /* FreeType. */ + /* */ + typedef PS_FontInfoRec T1_FontInfo; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* PS_PrivateRec */ + /* */ + /* <Description> */ + /* A structure used to model a Type~1 or Type~2 private dictionary. */ + /* Note that for Multiple Master fonts, each instance has its own */ + /* Private dictionary. */ + /* */ + typedef struct PS_PrivateRec_ + { + FT_Int unique_id; + FT_Int lenIV; + + FT_Byte num_blue_values; + FT_Byte num_other_blues; + FT_Byte num_family_blues; + FT_Byte num_family_other_blues; + + FT_Short blue_values[14]; + FT_Short other_blues[10]; + + FT_Short family_blues [14]; + FT_Short family_other_blues[10]; + + FT_Fixed blue_scale; + FT_Int blue_shift; + FT_Int blue_fuzz; + + FT_UShort standard_width[1]; + FT_UShort standard_height[1]; + + FT_Byte num_snap_widths; + FT_Byte num_snap_heights; + FT_Bool force_bold; + FT_Bool round_stem_up; + + FT_Short snap_widths [13]; /* including std width */ + FT_Short snap_heights[13]; /* including std height */ + + FT_Fixed expansion_factor; + + FT_Long language_group; + FT_Long password; + + FT_Short min_feature[2]; + + } PS_PrivateRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* PS_Private */ + /* */ + /* <Description> */ + /* A handle to a @PS_PrivateRec structure. */ + /* */ + typedef struct PS_PrivateRec_* PS_Private; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* T1_Private */ + /* */ + /* <Description> */ + /* This type is equivalent to @PS_PrivateRec. It is deprecated but */ + /* kept to maintain source compatibility between various versions of */ + /* FreeType. */ + /* */ + typedef PS_PrivateRec T1_Private; + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* T1_Blend_Flags */ + /* */ + /* <Description> */ + /* A set of flags used to indicate which fields are present in a */ + /* given blend dictionary (font info or private). Used to support */ + /* Multiple Masters fonts. */ + /* */ + /* <Values> */ + /* T1_BLEND_UNDERLINE_POSITION :: */ + /* T1_BLEND_UNDERLINE_THICKNESS :: */ + /* T1_BLEND_ITALIC_ANGLE :: */ + /* T1_BLEND_BLUE_VALUES :: */ + /* T1_BLEND_OTHER_BLUES :: */ + /* T1_BLEND_STANDARD_WIDTH :: */ + /* T1_BLEND_STANDARD_HEIGHT :: */ + /* T1_BLEND_STEM_SNAP_WIDTHS :: */ + /* T1_BLEND_STEM_SNAP_HEIGHTS :: */ + /* T1_BLEND_BLUE_SCALE :: */ + /* T1_BLEND_BLUE_SHIFT :: */ + /* T1_BLEND_FAMILY_BLUES :: */ + /* T1_BLEND_FAMILY_OTHER_BLUES :: */ + /* T1_BLEND_FORCE_BOLD :: */ + /* */ + typedef enum T1_Blend_Flags_ + { + /* required fields in a FontInfo blend dictionary */ + T1_BLEND_UNDERLINE_POSITION = 0, + T1_BLEND_UNDERLINE_THICKNESS, + T1_BLEND_ITALIC_ANGLE, + + /* required fields in a Private blend dictionary */ + T1_BLEND_BLUE_VALUES, + T1_BLEND_OTHER_BLUES, + T1_BLEND_STANDARD_WIDTH, + T1_BLEND_STANDARD_HEIGHT, + T1_BLEND_STEM_SNAP_WIDTHS, + T1_BLEND_STEM_SNAP_HEIGHTS, + T1_BLEND_BLUE_SCALE, + T1_BLEND_BLUE_SHIFT, + T1_BLEND_FAMILY_BLUES, + T1_BLEND_FAMILY_OTHER_BLUES, + T1_BLEND_FORCE_BOLD, + + T1_BLEND_MAX /* do not remove */ + + } T1_Blend_Flags; + + + /* these constants are deprecated; use the corresponding */ + /* `T1_Blend_Flags' values instead */ +#define t1_blend_underline_position T1_BLEND_UNDERLINE_POSITION +#define t1_blend_underline_thickness T1_BLEND_UNDERLINE_THICKNESS +#define t1_blend_italic_angle T1_BLEND_ITALIC_ANGLE +#define t1_blend_blue_values T1_BLEND_BLUE_VALUES +#define t1_blend_other_blues T1_BLEND_OTHER_BLUES +#define t1_blend_standard_widths T1_BLEND_STANDARD_WIDTH +#define t1_blend_standard_height T1_BLEND_STANDARD_HEIGHT +#define t1_blend_stem_snap_widths T1_BLEND_STEM_SNAP_WIDTHS +#define t1_blend_stem_snap_heights T1_BLEND_STEM_SNAP_HEIGHTS +#define t1_blend_blue_scale T1_BLEND_BLUE_SCALE +#define t1_blend_blue_shift T1_BLEND_BLUE_SHIFT +#define t1_blend_family_blues T1_BLEND_FAMILY_BLUES +#define t1_blend_family_other_blues T1_BLEND_FAMILY_OTHER_BLUES +#define t1_blend_force_bold T1_BLEND_FORCE_BOLD +#define t1_blend_max T1_BLEND_MAX + + /* */ + + + /* maximum number of Multiple Masters designs, as defined in the spec */ +#define T1_MAX_MM_DESIGNS 16 + + /* maximum number of Multiple Masters axes, as defined in the spec */ +#define T1_MAX_MM_AXIS 4 + + /* maximum number of elements in a design map */ +#define T1_MAX_MM_MAP_POINTS 20 + + + /* this structure is used to store the BlendDesignMap entry for an axis */ + typedef struct PS_DesignMap_ + { + FT_Byte num_points; + FT_Long* design_points; + FT_Fixed* blend_points; + + } PS_DesignMapRec, *PS_DesignMap; + + /* backward compatible definition */ + typedef PS_DesignMapRec T1_DesignMap; + + + typedef struct PS_BlendRec_ + { + FT_UInt num_designs; + FT_UInt num_axis; + + FT_String* axis_names[T1_MAX_MM_AXIS]; + FT_Fixed* design_pos[T1_MAX_MM_DESIGNS]; + PS_DesignMapRec design_map[T1_MAX_MM_AXIS]; + + FT_Fixed* weight_vector; + FT_Fixed* default_weight_vector; + + PS_FontInfo font_infos[T1_MAX_MM_DESIGNS + 1]; + PS_Private privates [T1_MAX_MM_DESIGNS + 1]; + + FT_ULong blend_bitflags; + + FT_BBox* bboxes [T1_MAX_MM_DESIGNS + 1]; + + /* since 2.3.0 */ + + /* undocumented, optional: the default design instance; */ + /* corresponds to default_weight_vector -- */ + /* num_default_design_vector == 0 means it is not present */ + /* in the font and associated metrics files */ + FT_UInt default_design_vector[T1_MAX_MM_DESIGNS]; + FT_UInt num_default_design_vector; + + } PS_BlendRec, *PS_Blend; + + + /* backward compatible definition */ + typedef PS_BlendRec T1_Blend; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* CID_FaceDictRec */ + /* */ + /* <Description> */ + /* A structure used to represent data in a CID top-level dictionary. */ + /* */ + typedef struct CID_FaceDictRec_ + { + PS_PrivateRec private_dict; + + FT_UInt len_buildchar; + FT_Fixed forcebold_threshold; + FT_Pos stroke_width; + FT_Fixed expansion_factor; + + FT_Byte paint_type; + FT_Byte font_type; + FT_Matrix font_matrix; + FT_Vector font_offset; + + FT_UInt num_subrs; + FT_ULong subrmap_offset; + FT_Int sd_bytes; + + } CID_FaceDictRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* CID_FaceDict */ + /* */ + /* <Description> */ + /* A handle to a @CID_FaceDictRec structure. */ + /* */ + typedef struct CID_FaceDictRec_* CID_FaceDict; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* CID_FontDict */ + /* */ + /* <Description> */ + /* This type is equivalent to @CID_FaceDictRec. It is deprecated but */ + /* kept to maintain source compatibility between various versions of */ + /* FreeType. */ + /* */ + typedef CID_FaceDictRec CID_FontDict; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* CID_FaceInfoRec */ + /* */ + /* <Description> */ + /* A structure used to represent CID Face information. */ + /* */ + typedef struct CID_FaceInfoRec_ + { + FT_String* cid_font_name; + FT_Fixed cid_version; + FT_Int cid_font_type; + + FT_String* registry; + FT_String* ordering; + FT_Int supplement; + + PS_FontInfoRec font_info; + FT_BBox font_bbox; + FT_ULong uid_base; + + FT_Int num_xuid; + FT_ULong xuid[16]; + + FT_ULong cidmap_offset; + FT_Int fd_bytes; + FT_Int gd_bytes; + FT_ULong cid_count; + + FT_Int num_dicts; + CID_FaceDict font_dicts; + + FT_ULong data_offset; + + } CID_FaceInfoRec; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* CID_FaceInfo */ + /* */ + /* <Description> */ + /* A handle to a @CID_FaceInfoRec structure. */ + /* */ + typedef struct CID_FaceInfoRec_* CID_FaceInfo; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* CID_Info */ + /* */ + /* <Description> */ + /* This type is equivalent to @CID_FaceInfoRec. It is deprecated but */ + /* kept to maintain source compatibility between various versions of */ + /* FreeType. */ + /* */ + typedef CID_FaceInfoRec CID_Info; + + + /************************************************************************ + * + * @function: + * FT_Has_PS_Glyph_Names + * + * @description: + * Return true if a given face provides reliable PostScript glyph + * names. This is similar to using the @FT_HAS_GLYPH_NAMES macro, + * except that certain fonts (mostly TrueType) contain incorrect + * glyph name tables. + * + * When this function returns true, the caller is sure that the glyph + * names returned by @FT_Get_Glyph_Name are reliable. + * + * @input: + * face :: + * face handle + * + * @return: + * Boolean. True if glyph names are reliable. + * + */ + FT_EXPORT( FT_Int ) + FT_Has_PS_Glyph_Names( FT_Face face ); + + + /************************************************************************ + * + * @function: + * FT_Get_PS_Font_Info + * + * @description: + * Retrieve the @PS_FontInfoRec structure corresponding to a given + * PostScript font. + * + * @input: + * face :: + * PostScript face handle. + * + * @output: + * afont_info :: + * Output font info structure pointer. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * String pointers within the @PS_FontInfoRec structure are owned by + * the face and don't need to be freed by the caller. Missing entries + * in the font's FontInfo dictionary are represented by NULL pointers. + * + * If the font's format is not PostScript-based, this function will + * return the `FT_Err_Invalid_Argument' error code. + * + */ + FT_EXPORT( FT_Error ) + FT_Get_PS_Font_Info( FT_Face face, + PS_FontInfo afont_info ); + + + /************************************************************************ + * + * @function: + * FT_Get_PS_Font_Private + * + * @description: + * Retrieve the @PS_PrivateRec structure corresponding to a given + * PostScript font. + * + * @input: + * face :: + * PostScript face handle. + * + * @output: + * afont_private :: + * Output private dictionary structure pointer. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * The string pointers within the @PS_PrivateRec structure are owned by + * the face and don't need to be freed by the caller. + * + * If the font's format is not PostScript-based, this function returns + * the `FT_Err_Invalid_Argument' error code. + * + */ + FT_EXPORT( FT_Error ) + FT_Get_PS_Font_Private( FT_Face face, + PS_Private afont_private ); + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* T1_EncodingType */ + /* */ + /* <Description> */ + /* An enumeration describing the `Encoding' entry in a Type 1 */ + /* dictionary. */ + /* */ + /* <Values> */ + /* T1_ENCODING_TYPE_NONE :: */ + /* T1_ENCODING_TYPE_ARRAY :: */ + /* T1_ENCODING_TYPE_STANDARD :: */ + /* T1_ENCODING_TYPE_ISOLATIN1 :: */ + /* T1_ENCODING_TYPE_EXPERT :: */ + /* */ + /* <Since> */ + /* 2.4.8 */ + /* */ + typedef enum T1_EncodingType_ + { + T1_ENCODING_TYPE_NONE = 0, + T1_ENCODING_TYPE_ARRAY, + T1_ENCODING_TYPE_STANDARD, + T1_ENCODING_TYPE_ISOLATIN1, + T1_ENCODING_TYPE_EXPERT + + } T1_EncodingType; + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* PS_Dict_Keys */ + /* */ + /* <Description> */ + /* An enumeration used in calls to @FT_Get_PS_Font_Value to identify */ + /* the Type~1 dictionary entry to retrieve. */ + /* */ + /* <Values> */ + /* PS_DICT_FONT_TYPE :: */ + /* PS_DICT_FONT_MATRIX :: */ + /* PS_DICT_FONT_BBOX :: */ + /* PS_DICT_PAINT_TYPE :: */ + /* PS_DICT_FONT_NAME :: */ + /* PS_DICT_UNIQUE_ID :: */ + /* PS_DICT_NUM_CHAR_STRINGS :: */ + /* PS_DICT_CHAR_STRING_KEY :: */ + /* PS_DICT_CHAR_STRING :: */ + /* PS_DICT_ENCODING_TYPE :: */ + /* PS_DICT_ENCODING_ENTRY :: */ + /* PS_DICT_NUM_SUBRS :: */ + /* PS_DICT_SUBR :: */ + /* PS_DICT_STD_HW :: */ + /* PS_DICT_STD_VW :: */ + /* PS_DICT_NUM_BLUE_VALUES :: */ + /* PS_DICT_BLUE_VALUE :: */ + /* PS_DICT_BLUE_FUZZ :: */ + /* PS_DICT_NUM_OTHER_BLUES :: */ + /* PS_DICT_OTHER_BLUE :: */ + /* PS_DICT_NUM_FAMILY_BLUES :: */ + /* PS_DICT_FAMILY_BLUE :: */ + /* PS_DICT_NUM_FAMILY_OTHER_BLUES :: */ + /* PS_DICT_FAMILY_OTHER_BLUE :: */ + /* PS_DICT_BLUE_SCALE :: */ + /* PS_DICT_BLUE_SHIFT :: */ + /* PS_DICT_NUM_STEM_SNAP_H :: */ + /* PS_DICT_STEM_SNAP_H :: */ + /* PS_DICT_NUM_STEM_SNAP_V :: */ + /* PS_DICT_STEM_SNAP_V :: */ + /* PS_DICT_FORCE_BOLD :: */ + /* PS_DICT_RND_STEM_UP :: */ + /* PS_DICT_MIN_FEATURE :: */ + /* PS_DICT_LEN_IV :: */ + /* PS_DICT_PASSWORD :: */ + /* PS_DICT_LANGUAGE_GROUP :: */ + /* PS_DICT_VERSION :: */ + /* PS_DICT_NOTICE :: */ + /* PS_DICT_FULL_NAME :: */ + /* PS_DICT_FAMILY_NAME :: */ + /* PS_DICT_WEIGHT :: */ + /* PS_DICT_IS_FIXED_PITCH :: */ + /* PS_DICT_UNDERLINE_POSITION :: */ + /* PS_DICT_UNDERLINE_THICKNESS :: */ + /* PS_DICT_FS_TYPE :: */ + /* PS_DICT_ITALIC_ANGLE :: */ + /* */ + /* <Since> */ + /* 2.4.8 */ + /* */ + typedef enum PS_Dict_Keys_ + { + /* conventionally in the font dictionary */ + PS_DICT_FONT_TYPE, /* FT_Byte */ + PS_DICT_FONT_MATRIX, /* FT_Fixed */ + PS_DICT_FONT_BBOX, /* FT_Fixed */ + PS_DICT_PAINT_TYPE, /* FT_Byte */ + PS_DICT_FONT_NAME, /* FT_String* */ + PS_DICT_UNIQUE_ID, /* FT_Int */ + PS_DICT_NUM_CHAR_STRINGS, /* FT_Int */ + PS_DICT_CHAR_STRING_KEY, /* FT_String* */ + PS_DICT_CHAR_STRING, /* FT_String* */ + PS_DICT_ENCODING_TYPE, /* T1_EncodingType */ + PS_DICT_ENCODING_ENTRY, /* FT_String* */ + + /* conventionally in the font Private dictionary */ + PS_DICT_NUM_SUBRS, /* FT_Int */ + PS_DICT_SUBR, /* FT_String* */ + PS_DICT_STD_HW, /* FT_UShort */ + PS_DICT_STD_VW, /* FT_UShort */ + PS_DICT_NUM_BLUE_VALUES, /* FT_Byte */ + PS_DICT_BLUE_VALUE, /* FT_Short */ + PS_DICT_BLUE_FUZZ, /* FT_Int */ + PS_DICT_NUM_OTHER_BLUES, /* FT_Byte */ + PS_DICT_OTHER_BLUE, /* FT_Short */ + PS_DICT_NUM_FAMILY_BLUES, /* FT_Byte */ + PS_DICT_FAMILY_BLUE, /* FT_Short */ + PS_DICT_NUM_FAMILY_OTHER_BLUES, /* FT_Byte */ + PS_DICT_FAMILY_OTHER_BLUE, /* FT_Short */ + PS_DICT_BLUE_SCALE, /* FT_Fixed */ + PS_DICT_BLUE_SHIFT, /* FT_Int */ + PS_DICT_NUM_STEM_SNAP_H, /* FT_Byte */ + PS_DICT_STEM_SNAP_H, /* FT_Short */ + PS_DICT_NUM_STEM_SNAP_V, /* FT_Byte */ + PS_DICT_STEM_SNAP_V, /* FT_Short */ + PS_DICT_FORCE_BOLD, /* FT_Bool */ + PS_DICT_RND_STEM_UP, /* FT_Bool */ + PS_DICT_MIN_FEATURE, /* FT_Short */ + PS_DICT_LEN_IV, /* FT_Int */ + PS_DICT_PASSWORD, /* FT_Long */ + PS_DICT_LANGUAGE_GROUP, /* FT_Long */ + + /* conventionally in the font FontInfo dictionary */ + PS_DICT_VERSION, /* FT_String* */ + PS_DICT_NOTICE, /* FT_String* */ + PS_DICT_FULL_NAME, /* FT_String* */ + PS_DICT_FAMILY_NAME, /* FT_String* */ + PS_DICT_WEIGHT, /* FT_String* */ + PS_DICT_IS_FIXED_PITCH, /* FT_Bool */ + PS_DICT_UNDERLINE_POSITION, /* FT_Short */ + PS_DICT_UNDERLINE_THICKNESS, /* FT_UShort */ + PS_DICT_FS_TYPE, /* FT_UShort */ + PS_DICT_ITALIC_ANGLE, /* FT_Long */ + + PS_DICT_MAX = PS_DICT_ITALIC_ANGLE + + } PS_Dict_Keys; + + + /************************************************************************ + * + * @function: + * FT_Get_PS_Font_Value + * + * @description: + * Retrieve the value for the supplied key from a PostScript font. + * + * @input: + * face :: + * PostScript face handle. + * + * key :: + * An enumeration value representing the dictionary key to retrieve. + * + * idx :: + * For array values, this specifies the index to be returned. + * + * value :: + * A pointer to memory into which to write the value. + * + * valen_len :: + * The size, in bytes, of the memory supplied for the value. + * + * @output: + * value :: + * The value matching the above key, if it exists. + * + * @return: + * The amount of memory (in bytes) required to hold the requested + * value (if it exists, -1 otherwise). + * + * @note: + * The values returned are not pointers into the internal structures of + * the face, but are `fresh' copies, so that the memory containing them + * belongs to the calling application. This also enforces the + * `read-only' nature of these values, i.e., this function cannot be + * used to manipulate the face. + * + * `value' is a void pointer because the values returned can be of + * various types. + * + * If either `value' is NULL or `value_len' is too small, just the + * required memory size for the requested entry is returned. + * + * The `idx' parameter is used, not only to retrieve elements of, for + * example, the FontMatrix or FontBBox, but also to retrieve name keys + * from the CharStrings dictionary, and the charstrings themselves. It + * is ignored for atomic values. + * + * PS_DICT_BLUE_SCALE returns a value that is scaled up by 1000. To + * get the value as in the font stream, you need to divide by + * 65536000.0 (to remove the FT_Fixed scale, and the x1000 scale). + * + * IMPORTANT: Only key/value pairs read by the FreeType interpreter can + * be retrieved. So, for example, PostScript procedures such as NP, + * ND, and RD are not available. Arbitrary keys are, obviously, not be + * available either. + * + * If the font's format is not PostScript-based, this function returns + * the `FT_Err_Invalid_Argument' error code. + * + * @since: + * 2.4.8 + * + */ + FT_EXPORT( FT_Long ) + FT_Get_PS_Font_Value( FT_Face face, + PS_Dict_Keys key, + FT_UInt idx, + void *value, + FT_Long value_len ); + + /* */ + +FT_END_HEADER + +#endif /* T1TABLES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ttnameid.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ttnameid.h new file mode 100644 index 00000000000..8605183dc70 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/ttnameid.h @@ -0,0 +1,1236 @@ +/***************************************************************************/ +/* */ +/* ttnameid.h */ +/* */ +/* TrueType name ID definitions (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTNAMEID_H_ +#define TTNAMEID_H_ + + +#include <ft2build.h> + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Section> */ + /* truetype_tables */ + /* */ + + + /*************************************************************************/ + /* */ + /* Possible values for the `platform' identifier code in the name */ + /* records of an SFNT `name' table. */ + /* */ + /*************************************************************************/ + + + /*********************************************************************** + * + * @enum: + * TT_PLATFORM_XXX + * + * @description: + * A list of valid values for the `platform_id' identifier code in + * @FT_CharMapRec and @FT_SfntName structures. + * + * @values: + * TT_PLATFORM_APPLE_UNICODE :: + * Used by Apple to indicate a Unicode character map and/or name entry. + * See @TT_APPLE_ID_XXX for corresponding `encoding_id' values. Note + * that name entries in this format are coded as big-endian UCS-2 + * character codes _only_. + * + * TT_PLATFORM_MACINTOSH :: + * Used by Apple to indicate a MacOS-specific charmap and/or name entry. + * See @TT_MAC_ID_XXX for corresponding `encoding_id' values. Note that + * most TrueType fonts contain an Apple roman charmap to be usable on + * MacOS systems (even if they contain a Microsoft charmap as well). + * + * TT_PLATFORM_ISO :: + * This value was used to specify ISO/IEC 10646 charmaps. It is however + * now deprecated. See @TT_ISO_ID_XXX for a list of corresponding + * `encoding_id' values. + * + * TT_PLATFORM_MICROSOFT :: + * Used by Microsoft to indicate Windows-specific charmaps. See + * @TT_MS_ID_XXX for a list of corresponding `encoding_id' values. + * Note that most fonts contain a Unicode charmap using + * (TT_PLATFORM_MICROSOFT, @TT_MS_ID_UNICODE_CS). + * + * TT_PLATFORM_CUSTOM :: + * Used to indicate application-specific charmaps. + * + * TT_PLATFORM_ADOBE :: + * This value isn't part of any font format specification, but is used + * by FreeType to report Adobe-specific charmaps in an @FT_CharMapRec + * structure. See @TT_ADOBE_ID_XXX. + */ + +#define TT_PLATFORM_APPLE_UNICODE 0 +#define TT_PLATFORM_MACINTOSH 1 +#define TT_PLATFORM_ISO 2 /* deprecated */ +#define TT_PLATFORM_MICROSOFT 3 +#define TT_PLATFORM_CUSTOM 4 +#define TT_PLATFORM_ADOBE 7 /* artificial */ + + + /*********************************************************************** + * + * @enum: + * TT_APPLE_ID_XXX + * + * @description: + * A list of valid values for the `encoding_id' for + * @TT_PLATFORM_APPLE_UNICODE charmaps and name entries. + * + * @values: + * TT_APPLE_ID_DEFAULT :: + * Unicode version 1.0. + * + * TT_APPLE_ID_UNICODE_1_1 :: + * Unicode 1.1; specifies Hangul characters starting at U+34xx. + * + * TT_APPLE_ID_ISO_10646 :: + * Deprecated (identical to preceding). + * + * TT_APPLE_ID_UNICODE_2_0 :: + * Unicode 2.0 and beyond (UTF-16 BMP only). + * + * TT_APPLE_ID_UNICODE_32 :: + * Unicode 3.1 and beyond, using UTF-32. + * + * TT_APPLE_ID_VARIANT_SELECTOR :: + * From Adobe, not Apple. Not a normal cmap. Specifies variations + * on a real cmap. + * + * TT_APPLE_ID_FULL_UNICODE :: + * Used for fallback fonts that provide complete Unicode coverage with + * a type~13 cmap. + */ + +#define TT_APPLE_ID_DEFAULT 0 /* Unicode 1.0 */ +#define TT_APPLE_ID_UNICODE_1_1 1 /* specify Hangul at U+34xx */ +#define TT_APPLE_ID_ISO_10646 2 /* deprecated */ +#define TT_APPLE_ID_UNICODE_2_0 3 /* or later */ +#define TT_APPLE_ID_UNICODE_32 4 /* 2.0 or later, full repertoire */ +#define TT_APPLE_ID_VARIANT_SELECTOR 5 /* variation selector data */ +#define TT_APPLE_ID_FULL_UNICODE 6 /* used with type 13 cmaps */ + + + /*********************************************************************** + * + * @enum: + * TT_MAC_ID_XXX + * + * @description: + * A list of valid values for the `encoding_id' for + * @TT_PLATFORM_MACINTOSH charmaps and name entries. + */ + +#define TT_MAC_ID_ROMAN 0 +#define TT_MAC_ID_JAPANESE 1 +#define TT_MAC_ID_TRADITIONAL_CHINESE 2 +#define TT_MAC_ID_KOREAN 3 +#define TT_MAC_ID_ARABIC 4 +#define TT_MAC_ID_HEBREW 5 +#define TT_MAC_ID_GREEK 6 +#define TT_MAC_ID_RUSSIAN 7 +#define TT_MAC_ID_RSYMBOL 8 +#define TT_MAC_ID_DEVANAGARI 9 +#define TT_MAC_ID_GURMUKHI 10 +#define TT_MAC_ID_GUJARATI 11 +#define TT_MAC_ID_ORIYA 12 +#define TT_MAC_ID_BENGALI 13 +#define TT_MAC_ID_TAMIL 14 +#define TT_MAC_ID_TELUGU 15 +#define TT_MAC_ID_KANNADA 16 +#define TT_MAC_ID_MALAYALAM 17 +#define TT_MAC_ID_SINHALESE 18 +#define TT_MAC_ID_BURMESE 19 +#define TT_MAC_ID_KHMER 20 +#define TT_MAC_ID_THAI 21 +#define TT_MAC_ID_LAOTIAN 22 +#define TT_MAC_ID_GEORGIAN 23 +#define TT_MAC_ID_ARMENIAN 24 +#define TT_MAC_ID_MALDIVIAN 25 +#define TT_MAC_ID_SIMPLIFIED_CHINESE 25 +#define TT_MAC_ID_TIBETAN 26 +#define TT_MAC_ID_MONGOLIAN 27 +#define TT_MAC_ID_GEEZ 28 +#define TT_MAC_ID_SLAVIC 29 +#define TT_MAC_ID_VIETNAMESE 30 +#define TT_MAC_ID_SINDHI 31 +#define TT_MAC_ID_UNINTERP 32 + + + /*********************************************************************** + * + * @enum: + * TT_ISO_ID_XXX + * + * @description: + * A list of valid values for the `encoding_id' for + * @TT_PLATFORM_ISO charmaps and name entries. + * + * Their use is now deprecated. + * + * @values: + * TT_ISO_ID_7BIT_ASCII :: + * ASCII. + * TT_ISO_ID_10646 :: + * ISO/10646. + * TT_ISO_ID_8859_1 :: + * Also known as Latin-1. + */ + +#define TT_ISO_ID_7BIT_ASCII 0 +#define TT_ISO_ID_10646 1 +#define TT_ISO_ID_8859_1 2 + + + /*********************************************************************** + * + * @enum: + * TT_MS_ID_XXX + * + * @description: + * A list of valid values for the `encoding_id' for + * @TT_PLATFORM_MICROSOFT charmaps and name entries. + * + * @values: + * TT_MS_ID_SYMBOL_CS :: + * Microsoft symbol encoding. See @FT_ENCODING_MS_SYMBOL. + * + * TT_MS_ID_UNICODE_CS :: + * Microsoft WGL4 charmap, matching Unicode. See + * @FT_ENCODING_UNICODE. + * + * TT_MS_ID_SJIS :: + * Shift JIS Japanese encoding. See @FT_ENCODING_SJIS. + * + * TT_MS_ID_PRC :: + * Chinese encodings as used in the People's Republic of China (PRC). + * This means the encodings GB~2312 and its supersets GBK and + * GB~18030. See @FT_ENCODING_PRC. + * + * TT_MS_ID_BIG_5 :: + * Traditional Chinese as used in Taiwan and Hong Kong. See + * @FT_ENCODING_BIG5. + * + * TT_MS_ID_WANSUNG :: + * Korean Extended Wansung encoding. See @FT_ENCODING_WANSUNG. + * + * TT_MS_ID_JOHAB :: + * Korean Johab encoding. See @FT_ENCODING_JOHAB. + * + * TT_MS_ID_UCS_4 :: + * UCS-4 or UTF-32 charmaps. This has been added to the OpenType + * specification version 1.4 (mid-2001). + */ + +#define TT_MS_ID_SYMBOL_CS 0 +#define TT_MS_ID_UNICODE_CS 1 +#define TT_MS_ID_SJIS 2 +#define TT_MS_ID_PRC 3 +#define TT_MS_ID_BIG_5 4 +#define TT_MS_ID_WANSUNG 5 +#define TT_MS_ID_JOHAB 6 +#define TT_MS_ID_UCS_4 10 + + /* this value is deprecated */ +#define TT_MS_ID_GB2312 TT_MS_ID_PRC + + + /*********************************************************************** + * + * @enum: + * TT_ADOBE_ID_XXX + * + * @description: + * A list of valid values for the `encoding_id' for + * @TT_PLATFORM_ADOBE charmaps. This is a FreeType-specific extension! + * + * @values: + * TT_ADOBE_ID_STANDARD :: + * Adobe standard encoding. + * TT_ADOBE_ID_EXPERT :: + * Adobe expert encoding. + * TT_ADOBE_ID_CUSTOM :: + * Adobe custom encoding. + * TT_ADOBE_ID_LATIN_1 :: + * Adobe Latin~1 encoding. + */ + +#define TT_ADOBE_ID_STANDARD 0 +#define TT_ADOBE_ID_EXPERT 1 +#define TT_ADOBE_ID_CUSTOM 2 +#define TT_ADOBE_ID_LATIN_1 3 + + + /*********************************************************************** + * + * @enum: + * TT_MAC_LANGID_XXX + * + * @description: + * Possible values of the language identifier field in the name records + * of the SFNT `name' table if the `platform' identifier code is + * @TT_PLATFORM_MACINTOSH. These values are also used as return values + * for function @FT_Get_CMap_Language_ID. + * + * The canonical source for Apple's IDs is + * + * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6name.html + */ + +#define TT_MAC_LANGID_ENGLISH 0 +#define TT_MAC_LANGID_FRENCH 1 +#define TT_MAC_LANGID_GERMAN 2 +#define TT_MAC_LANGID_ITALIAN 3 +#define TT_MAC_LANGID_DUTCH 4 +#define TT_MAC_LANGID_SWEDISH 5 +#define TT_MAC_LANGID_SPANISH 6 +#define TT_MAC_LANGID_DANISH 7 +#define TT_MAC_LANGID_PORTUGUESE 8 +#define TT_MAC_LANGID_NORWEGIAN 9 +#define TT_MAC_LANGID_HEBREW 10 +#define TT_MAC_LANGID_JAPANESE 11 +#define TT_MAC_LANGID_ARABIC 12 +#define TT_MAC_LANGID_FINNISH 13 +#define TT_MAC_LANGID_GREEK 14 +#define TT_MAC_LANGID_ICELANDIC 15 +#define TT_MAC_LANGID_MALTESE 16 +#define TT_MAC_LANGID_TURKISH 17 +#define TT_MAC_LANGID_CROATIAN 18 +#define TT_MAC_LANGID_CHINESE_TRADITIONAL 19 +#define TT_MAC_LANGID_URDU 20 +#define TT_MAC_LANGID_HINDI 21 +#define TT_MAC_LANGID_THAI 22 +#define TT_MAC_LANGID_KOREAN 23 +#define TT_MAC_LANGID_LITHUANIAN 24 +#define TT_MAC_LANGID_POLISH 25 +#define TT_MAC_LANGID_HUNGARIAN 26 +#define TT_MAC_LANGID_ESTONIAN 27 +#define TT_MAC_LANGID_LETTISH 28 +#define TT_MAC_LANGID_SAAMISK 29 +#define TT_MAC_LANGID_FAEROESE 30 +#define TT_MAC_LANGID_FARSI 31 +#define TT_MAC_LANGID_RUSSIAN 32 +#define TT_MAC_LANGID_CHINESE_SIMPLIFIED 33 +#define TT_MAC_LANGID_FLEMISH 34 +#define TT_MAC_LANGID_IRISH 35 +#define TT_MAC_LANGID_ALBANIAN 36 +#define TT_MAC_LANGID_ROMANIAN 37 +#define TT_MAC_LANGID_CZECH 38 +#define TT_MAC_LANGID_SLOVAK 39 +#define TT_MAC_LANGID_SLOVENIAN 40 +#define TT_MAC_LANGID_YIDDISH 41 +#define TT_MAC_LANGID_SERBIAN 42 +#define TT_MAC_LANGID_MACEDONIAN 43 +#define TT_MAC_LANGID_BULGARIAN 44 +#define TT_MAC_LANGID_UKRAINIAN 45 +#define TT_MAC_LANGID_BYELORUSSIAN 46 +#define TT_MAC_LANGID_UZBEK 47 +#define TT_MAC_LANGID_KAZAKH 48 +#define TT_MAC_LANGID_AZERBAIJANI 49 +#define TT_MAC_LANGID_AZERBAIJANI_CYRILLIC_SCRIPT 49 +#define TT_MAC_LANGID_AZERBAIJANI_ARABIC_SCRIPT 50 +#define TT_MAC_LANGID_ARMENIAN 51 +#define TT_MAC_LANGID_GEORGIAN 52 +#define TT_MAC_LANGID_MOLDAVIAN 53 +#define TT_MAC_LANGID_KIRGHIZ 54 +#define TT_MAC_LANGID_TAJIKI 55 +#define TT_MAC_LANGID_TURKMEN 56 +#define TT_MAC_LANGID_MONGOLIAN 57 +#define TT_MAC_LANGID_MONGOLIAN_MONGOLIAN_SCRIPT 57 +#define TT_MAC_LANGID_MONGOLIAN_CYRILLIC_SCRIPT 58 +#define TT_MAC_LANGID_PASHTO 59 +#define TT_MAC_LANGID_KURDISH 60 +#define TT_MAC_LANGID_KASHMIRI 61 +#define TT_MAC_LANGID_SINDHI 62 +#define TT_MAC_LANGID_TIBETAN 63 +#define TT_MAC_LANGID_NEPALI 64 +#define TT_MAC_LANGID_SANSKRIT 65 +#define TT_MAC_LANGID_MARATHI 66 +#define TT_MAC_LANGID_BENGALI 67 +#define TT_MAC_LANGID_ASSAMESE 68 +#define TT_MAC_LANGID_GUJARATI 69 +#define TT_MAC_LANGID_PUNJABI 70 +#define TT_MAC_LANGID_ORIYA 71 +#define TT_MAC_LANGID_MALAYALAM 72 +#define TT_MAC_LANGID_KANNADA 73 +#define TT_MAC_LANGID_TAMIL 74 +#define TT_MAC_LANGID_TELUGU 75 +#define TT_MAC_LANGID_SINHALESE 76 +#define TT_MAC_LANGID_BURMESE 77 +#define TT_MAC_LANGID_KHMER 78 +#define TT_MAC_LANGID_LAO 79 +#define TT_MAC_LANGID_VIETNAMESE 80 +#define TT_MAC_LANGID_INDONESIAN 81 +#define TT_MAC_LANGID_TAGALOG 82 +#define TT_MAC_LANGID_MALAY_ROMAN_SCRIPT 83 +#define TT_MAC_LANGID_MALAY_ARABIC_SCRIPT 84 +#define TT_MAC_LANGID_AMHARIC 85 +#define TT_MAC_LANGID_TIGRINYA 86 +#define TT_MAC_LANGID_GALLA 87 +#define TT_MAC_LANGID_SOMALI 88 +#define TT_MAC_LANGID_SWAHILI 89 +#define TT_MAC_LANGID_RUANDA 90 +#define TT_MAC_LANGID_RUNDI 91 +#define TT_MAC_LANGID_CHEWA 92 +#define TT_MAC_LANGID_MALAGASY 93 +#define TT_MAC_LANGID_ESPERANTO 94 +#define TT_MAC_LANGID_WELSH 128 +#define TT_MAC_LANGID_BASQUE 129 +#define TT_MAC_LANGID_CATALAN 130 +#define TT_MAC_LANGID_LATIN 131 +#define TT_MAC_LANGID_QUECHUA 132 +#define TT_MAC_LANGID_GUARANI 133 +#define TT_MAC_LANGID_AYMARA 134 +#define TT_MAC_LANGID_TATAR 135 +#define TT_MAC_LANGID_UIGHUR 136 +#define TT_MAC_LANGID_DZONGKHA 137 +#define TT_MAC_LANGID_JAVANESE 138 +#define TT_MAC_LANGID_SUNDANESE 139 + + /* The following codes are new as of 2000-03-10 */ +#define TT_MAC_LANGID_GALICIAN 140 +#define TT_MAC_LANGID_AFRIKAANS 141 +#define TT_MAC_LANGID_BRETON 142 +#define TT_MAC_LANGID_INUKTITUT 143 +#define TT_MAC_LANGID_SCOTTISH_GAELIC 144 +#define TT_MAC_LANGID_MANX_GAELIC 145 +#define TT_MAC_LANGID_IRISH_GAELIC 146 +#define TT_MAC_LANGID_TONGAN 147 +#define TT_MAC_LANGID_GREEK_POLYTONIC 148 +#define TT_MAC_LANGID_GREELANDIC 149 +#define TT_MAC_LANGID_AZERBAIJANI_ROMAN_SCRIPT 150 + + + /*********************************************************************** + * + * @enum: + * TT_MS_LANGID_XXX + * + * @description: + * Possible values of the language identifier field in the name records + * of the SFNT `name' table if the `platform' identifier code is + * @TT_PLATFORM_MICROSOFT. These values are also used as return values + * for function @FT_Get_CMap_Language_ID. + * + * The canonical source for Microsoft's IDs is + * + * https://www.microsoft.com/globaldev/reference/lcid-all.mspx , + * + * however, we only provide macros for language identifiers present in + * the OpenType specification: Microsoft has abandoned the concept of + * LCIDs (language code identifiers), and format~1 of the `name' table + * provides a better mechanism for languages not covered here. + * + * More legacy values not listed in the reference can be found in the + * @FT_TRUETYPE_IDS_H header file. + */ + +#define TT_MS_LANGID_ARABIC_SAUDI_ARABIA 0x0401 +#define TT_MS_LANGID_ARABIC_IRAQ 0x0801 +#define TT_MS_LANGID_ARABIC_EGYPT 0x0C01 +#define TT_MS_LANGID_ARABIC_LIBYA 0x1001 +#define TT_MS_LANGID_ARABIC_ALGERIA 0x1401 +#define TT_MS_LANGID_ARABIC_MOROCCO 0x1801 +#define TT_MS_LANGID_ARABIC_TUNISIA 0x1C01 +#define TT_MS_LANGID_ARABIC_OMAN 0x2001 +#define TT_MS_LANGID_ARABIC_YEMEN 0x2401 +#define TT_MS_LANGID_ARABIC_SYRIA 0x2801 +#define TT_MS_LANGID_ARABIC_JORDAN 0x2C01 +#define TT_MS_LANGID_ARABIC_LEBANON 0x3001 +#define TT_MS_LANGID_ARABIC_KUWAIT 0x3401 +#define TT_MS_LANGID_ARABIC_UAE 0x3801 +#define TT_MS_LANGID_ARABIC_BAHRAIN 0x3C01 +#define TT_MS_LANGID_ARABIC_QATAR 0x4001 +#define TT_MS_LANGID_BULGARIAN_BULGARIA 0x0402 +#define TT_MS_LANGID_CATALAN_CATALAN 0x0403 +#define TT_MS_LANGID_CHINESE_TAIWAN 0x0404 +#define TT_MS_LANGID_CHINESE_PRC 0x0804 +#define TT_MS_LANGID_CHINESE_HONG_KONG 0x0C04 +#define TT_MS_LANGID_CHINESE_SINGAPORE 0x1004 +#define TT_MS_LANGID_CHINESE_MACAO 0x1404 +#define TT_MS_LANGID_CZECH_CZECH_REPUBLIC 0x0405 +#define TT_MS_LANGID_DANISH_DENMARK 0x0406 +#define TT_MS_LANGID_GERMAN_GERMANY 0x0407 +#define TT_MS_LANGID_GERMAN_SWITZERLAND 0x0807 +#define TT_MS_LANGID_GERMAN_AUSTRIA 0x0C07 +#define TT_MS_LANGID_GERMAN_LUXEMBOURG 0x1007 +#define TT_MS_LANGID_GERMAN_LIECHTENSTEIN 0x1407 +#define TT_MS_LANGID_GREEK_GREECE 0x0408 +#define TT_MS_LANGID_ENGLISH_UNITED_STATES 0x0409 +#define TT_MS_LANGID_ENGLISH_UNITED_KINGDOM 0x0809 +#define TT_MS_LANGID_ENGLISH_AUSTRALIA 0x0C09 +#define TT_MS_LANGID_ENGLISH_CANADA 0x1009 +#define TT_MS_LANGID_ENGLISH_NEW_ZEALAND 0x1409 +#define TT_MS_LANGID_ENGLISH_IRELAND 0x1809 +#define TT_MS_LANGID_ENGLISH_SOUTH_AFRICA 0x1C09 +#define TT_MS_LANGID_ENGLISH_JAMAICA 0x2009 +#define TT_MS_LANGID_ENGLISH_CARIBBEAN 0x2409 +#define TT_MS_LANGID_ENGLISH_BELIZE 0x2809 +#define TT_MS_LANGID_ENGLISH_TRINIDAD 0x2C09 +#define TT_MS_LANGID_ENGLISH_ZIMBABWE 0x3009 +#define TT_MS_LANGID_ENGLISH_PHILIPPINES 0x3409 +#define TT_MS_LANGID_ENGLISH_INDIA 0x4009 +#define TT_MS_LANGID_ENGLISH_MALAYSIA 0x4409 +#define TT_MS_LANGID_ENGLISH_SINGAPORE 0x4809 +#define TT_MS_LANGID_SPANISH_SPAIN_TRADITIONAL_SORT 0x040A +#define TT_MS_LANGID_SPANISH_MEXICO 0x080A +#define TT_MS_LANGID_SPANISH_SPAIN_MODERN_SORT 0x0C0A +#define TT_MS_LANGID_SPANISH_GUATEMALA 0x100A +#define TT_MS_LANGID_SPANISH_COSTA_RICA 0x140A +#define TT_MS_LANGID_SPANISH_PANAMA 0x180A +#define TT_MS_LANGID_SPANISH_DOMINICAN_REPUBLIC 0x1C0A +#define TT_MS_LANGID_SPANISH_VENEZUELA 0x200A +#define TT_MS_LANGID_SPANISH_COLOMBIA 0x240A +#define TT_MS_LANGID_SPANISH_PERU 0x280A +#define TT_MS_LANGID_SPANISH_ARGENTINA 0x2C0A +#define TT_MS_LANGID_SPANISH_ECUADOR 0x300A +#define TT_MS_LANGID_SPANISH_CHILE 0x340A +#define TT_MS_LANGID_SPANISH_URUGUAY 0x380A +#define TT_MS_LANGID_SPANISH_PARAGUAY 0x3C0A +#define TT_MS_LANGID_SPANISH_BOLIVIA 0x400A +#define TT_MS_LANGID_SPANISH_EL_SALVADOR 0x440A +#define TT_MS_LANGID_SPANISH_HONDURAS 0x480A +#define TT_MS_LANGID_SPANISH_NICARAGUA 0x4C0A +#define TT_MS_LANGID_SPANISH_PUERTO_RICO 0x500A +#define TT_MS_LANGID_SPANISH_UNITED_STATES 0x540A +#define TT_MS_LANGID_FINNISH_FINLAND 0x040B +#define TT_MS_LANGID_FRENCH_FRANCE 0x040C +#define TT_MS_LANGID_FRENCH_BELGIUM 0x080C +#define TT_MS_LANGID_FRENCH_CANADA 0x0C0C +#define TT_MS_LANGID_FRENCH_SWITZERLAND 0x100C +#define TT_MS_LANGID_FRENCH_LUXEMBOURG 0x140C +#define TT_MS_LANGID_FRENCH_MONACO 0x180C +#define TT_MS_LANGID_HEBREW_ISRAEL 0x040D +#define TT_MS_LANGID_HUNGARIAN_HUNGARY 0x040E +#define TT_MS_LANGID_ICELANDIC_ICELAND 0x040F +#define TT_MS_LANGID_ITALIAN_ITALY 0x0410 +#define TT_MS_LANGID_ITALIAN_SWITZERLAND 0x0810 +#define TT_MS_LANGID_JAPANESE_JAPAN 0x0411 +#define TT_MS_LANGID_KOREAN_KOREA 0x0412 +#define TT_MS_LANGID_DUTCH_NETHERLANDS 0x0413 +#define TT_MS_LANGID_DUTCH_BELGIUM 0x0813 +#define TT_MS_LANGID_NORWEGIAN_NORWAY_BOKMAL 0x0414 +#define TT_MS_LANGID_NORWEGIAN_NORWAY_NYNORSK 0x0814 +#define TT_MS_LANGID_POLISH_POLAND 0x0415 +#define TT_MS_LANGID_PORTUGUESE_BRAZIL 0x0416 +#define TT_MS_LANGID_PORTUGUESE_PORTUGAL 0x0816 +#define TT_MS_LANGID_ROMANSH_SWITZERLAND 0x0417 +#define TT_MS_LANGID_ROMANIAN_ROMANIA 0x0418 +#define TT_MS_LANGID_RUSSIAN_RUSSIA 0x0419 +#define TT_MS_LANGID_CROATIAN_CROATIA 0x041A +#define TT_MS_LANGID_SERBIAN_SERBIA_LATIN 0x081A +#define TT_MS_LANGID_SERBIAN_SERBIA_CYRILLIC 0x0C1A +#define TT_MS_LANGID_CROATIAN_BOSNIA_HERZEGOVINA 0x101A +#define TT_MS_LANGID_BOSNIAN_BOSNIA_HERZEGOVINA 0x141A +#define TT_MS_LANGID_SERBIAN_BOSNIA_HERZ_LATIN 0x181A +#define TT_MS_LANGID_SERBIAN_BOSNIA_HERZ_CYRILLIC 0x1C1A +#define TT_MS_LANGID_BOSNIAN_BOSNIA_HERZ_CYRILLIC 0x201A +#define TT_MS_LANGID_SLOVAK_SLOVAKIA 0x041B +#define TT_MS_LANGID_ALBANIAN_ALBANIA 0x041C +#define TT_MS_LANGID_SWEDISH_SWEDEN 0x041D +#define TT_MS_LANGID_SWEDISH_FINLAND 0x081D +#define TT_MS_LANGID_THAI_THAILAND 0x041E +#define TT_MS_LANGID_TURKISH_TURKEY 0x041F +#define TT_MS_LANGID_URDU_PAKISTAN 0x0420 +#define TT_MS_LANGID_INDONESIAN_INDONESIA 0x0421 +#define TT_MS_LANGID_UKRAINIAN_UKRAINE 0x0422 +#define TT_MS_LANGID_BELARUSIAN_BELARUS 0x0423 +#define TT_MS_LANGID_SLOVENIAN_SLOVENIA 0x0424 +#define TT_MS_LANGID_ESTONIAN_ESTONIA 0x0425 +#define TT_MS_LANGID_LATVIAN_LATVIA 0x0426 +#define TT_MS_LANGID_LITHUANIAN_LITHUANIA 0x0427 +#define TT_MS_LANGID_TAJIK_TAJIKISTAN 0x0428 +#define TT_MS_LANGID_VIETNAMESE_VIET_NAM 0x042A +#define TT_MS_LANGID_ARMENIAN_ARMENIA 0x042B +#define TT_MS_LANGID_AZERI_AZERBAIJAN_LATIN 0x042C +#define TT_MS_LANGID_AZERI_AZERBAIJAN_CYRILLIC 0x082C +#define TT_MS_LANGID_BASQUE_BASQUE 0x042D +#define TT_MS_LANGID_UPPER_SORBIAN_GERMANY 0x042E +#define TT_MS_LANGID_LOWER_SORBIAN_GERMANY 0x082E +#define TT_MS_LANGID_MACEDONIAN_MACEDONIA 0x042F +#define TT_MS_LANGID_SETSWANA_SOUTH_AFRICA 0x0432 +#define TT_MS_LANGID_ISIXHOSA_SOUTH_AFRICA 0x0434 +#define TT_MS_LANGID_ISIZULU_SOUTH_AFRICA 0x0435 +#define TT_MS_LANGID_AFRIKAANS_SOUTH_AFRICA 0x0436 +#define TT_MS_LANGID_GEORGIAN_GEORGIA 0x0437 +#define TT_MS_LANGID_FAEROESE_FAEROE_ISLANDS 0x0438 +#define TT_MS_LANGID_HINDI_INDIA 0x0439 +#define TT_MS_LANGID_MALTESE_MALTA 0x043A +#define TT_MS_LANGID_SAMI_NORTHERN_NORWAY 0x043B +#define TT_MS_LANGID_SAMI_NORTHERN_SWEDEN 0x083B +#define TT_MS_LANGID_SAMI_NORTHERN_FINLAND 0x0C3B +#define TT_MS_LANGID_SAMI_LULE_NORWAY 0x103B +#define TT_MS_LANGID_SAMI_LULE_SWEDEN 0x143B +#define TT_MS_LANGID_SAMI_SOUTHERN_NORWAY 0x183B +#define TT_MS_LANGID_SAMI_SOUTHERN_SWEDEN 0x1C3B +#define TT_MS_LANGID_SAMI_SKOLT_FINLAND 0x203B +#define TT_MS_LANGID_SAMI_INARI_FINLAND 0x243B +#define TT_MS_LANGID_IRISH_IRELAND 0x083C +#define TT_MS_LANGID_MALAY_MALAYSIA 0x043E +#define TT_MS_LANGID_MALAY_BRUNEI_DARUSSALAM 0x083E +#define TT_MS_LANGID_KAZAKH_KAZAKHSTAN 0x043F +#define TT_MS_LANGID_KYRGYZ_KYRGYZSTAN /* Cyrillic*/ 0x0440 +#define TT_MS_LANGID_KISWAHILI_KENYA 0x0441 +#define TT_MS_LANGID_TURKMEN_TURKMENISTAN 0x0442 +#define TT_MS_LANGID_UZBEK_UZBEKISTAN_LATIN 0x0443 +#define TT_MS_LANGID_UZBEK_UZBEKISTAN_CYRILLIC 0x0843 +#define TT_MS_LANGID_TATAR_RUSSIA 0x0444 +#define TT_MS_LANGID_BENGALI_INDIA 0x0445 +#define TT_MS_LANGID_BENGALI_BANGLADESH 0x0845 +#define TT_MS_LANGID_PUNJABI_INDIA 0x0446 +#define TT_MS_LANGID_GUJARATI_INDIA 0x0447 +#define TT_MS_LANGID_ODIA_INDIA 0x0448 +#define TT_MS_LANGID_TAMIL_INDIA 0x0449 +#define TT_MS_LANGID_TELUGU_INDIA 0x044A +#define TT_MS_LANGID_KANNADA_INDIA 0x044B +#define TT_MS_LANGID_MALAYALAM_INDIA 0x044C +#define TT_MS_LANGID_ASSAMESE_INDIA 0x044D +#define TT_MS_LANGID_MARATHI_INDIA 0x044E +#define TT_MS_LANGID_SANSKRIT_INDIA 0x044F +#define TT_MS_LANGID_MONGOLIAN_MONGOLIA /* Cyrillic */ 0x0450 +#define TT_MS_LANGID_MONGOLIAN_PRC 0x0850 +#define TT_MS_LANGID_TIBETAN_PRC 0x0451 +#define TT_MS_LANGID_WELSH_UNITED_KINGDOM 0x0452 +#define TT_MS_LANGID_KHMER_CAMBODIA 0x0453 +#define TT_MS_LANGID_LAO_LAOS 0x0454 +#define TT_MS_LANGID_GALICIAN_GALICIAN 0x0456 +#define TT_MS_LANGID_KONKANI_INDIA 0x0457 +#define TT_MS_LANGID_SYRIAC_SYRIA 0x045A +#define TT_MS_LANGID_SINHALA_SRI_LANKA 0x045B +#define TT_MS_LANGID_INUKTITUT_CANADA 0x045D +#define TT_MS_LANGID_INUKTITUT_CANADA_LATIN 0x085D +#define TT_MS_LANGID_AMHARIC_ETHIOPIA 0x045E +#define TT_MS_LANGID_TAMAZIGHT_ALGERIA 0x085F +#define TT_MS_LANGID_NEPALI_NEPAL 0x0461 +#define TT_MS_LANGID_FRISIAN_NETHERLANDS 0x0462 +#define TT_MS_LANGID_PASHTO_AFGHANISTAN 0x0463 +#define TT_MS_LANGID_FILIPINO_PHILIPPINES 0x0464 +#define TT_MS_LANGID_DHIVEHI_MALDIVES 0x0465 +#define TT_MS_LANGID_HAUSA_NIGERIA 0x0468 +#define TT_MS_LANGID_YORUBA_NIGERIA 0x046A +#define TT_MS_LANGID_QUECHUA_BOLIVIA 0x046B +#define TT_MS_LANGID_QUECHUA_ECUADOR 0x086B +#define TT_MS_LANGID_QUECHUA_PERU 0x0C6B +#define TT_MS_LANGID_SESOTHO_SA_LEBOA_SOUTH_AFRICA 0x046C +#define TT_MS_LANGID_BASHKIR_RUSSIA 0x046D +#define TT_MS_LANGID_LUXEMBOURGISH_LUXEMBOURG 0x046E +#define TT_MS_LANGID_GREENLANDIC_GREENLAND 0x046F +#define TT_MS_LANGID_IGBO_NIGERIA 0x0470 +#define TT_MS_LANGID_YI_PRC 0x0478 +#define TT_MS_LANGID_MAPUDUNGUN_CHILE 0x047A +#define TT_MS_LANGID_MOHAWK_MOHAWK 0x047C +#define TT_MS_LANGID_BRETON_FRANCE 0x047E +#define TT_MS_LANGID_UIGHUR_PRC 0x0480 +#define TT_MS_LANGID_MAORI_NEW_ZEALAND 0x0481 +#define TT_MS_LANGID_OCCITAN_FRANCE 0x0482 +#define TT_MS_LANGID_CORSICAN_FRANCE 0x0483 +#define TT_MS_LANGID_ALSATIAN_FRANCE 0x0484 +#define TT_MS_LANGID_YAKUT_RUSSIA 0x0485 +#define TT_MS_LANGID_KICHE_GUATEMALA 0x0486 +#define TT_MS_LANGID_KINYARWANDA_RWANDA 0x0487 +#define TT_MS_LANGID_WOLOF_SENEGAL 0x0488 +#define TT_MS_LANGID_DARI_AFGHANISTAN 0x048C + + /* */ + + + /* legacy macro definitions not present in OpenType 1.8.1 */ +#define TT_MS_LANGID_ARABIC_GENERAL 0x0001 +#define TT_MS_LANGID_CATALAN_SPAIN \ + TT_MS_LANGID_CATALAN_CATALAN +#define TT_MS_LANGID_CHINESE_GENERAL 0x0004 +#define TT_MS_LANGID_CHINESE_MACAU \ + TT_MS_LANGID_CHINESE_MACAO +#define TT_MS_LANGID_GERMAN_LIECHTENSTEI \ + TT_MS_LANGID_GERMAN_LIECHTENSTEIN +#define TT_MS_LANGID_ENGLISH_GENERAL 0x0009 +#define TT_MS_LANGID_ENGLISH_INDONESIA 0x3809 +#define TT_MS_LANGID_ENGLISH_HONG_KONG 0x3C09 +#define TT_MS_LANGID_SPANISH_SPAIN_INTERNATIONAL_SORT \ + TT_MS_LANGID_SPANISH_SPAIN_MODERN_SORT +#define TT_MS_LANGID_SPANISH_LATIN_AMERICA 0xE40AU +#define TT_MS_LANGID_FRENCH_WEST_INDIES 0x1C0C +#define TT_MS_LANGID_FRENCH_REUNION 0x200C +#define TT_MS_LANGID_FRENCH_CONGO 0x240C + /* which was formerly: */ +#define TT_MS_LANGID_FRENCH_ZAIRE \ + TT_MS_LANGID_FRENCH_CONGO +#define TT_MS_LANGID_FRENCH_SENEGAL 0x280C +#define TT_MS_LANGID_FRENCH_CAMEROON 0x2C0C +#define TT_MS_LANGID_FRENCH_COTE_D_IVOIRE 0x300C +#define TT_MS_LANGID_FRENCH_MALI 0x340C +#define TT_MS_LANGID_FRENCH_MOROCCO 0x380C +#define TT_MS_LANGID_FRENCH_HAITI 0x3C0C +#define TT_MS_LANGID_FRENCH_NORTH_AFRICA 0xE40CU +#define TT_MS_LANGID_KOREAN_EXTENDED_WANSUNG_KOREA \ + TT_MS_LANGID_KOREAN_KOREA +#define TT_MS_LANGID_KOREAN_JOHAB_KOREA 0x0812 +#define TT_MS_LANGID_RHAETO_ROMANIC_SWITZERLAND \ + TT_MS_LANGID_ROMANSH_SWITZERLAND +#define TT_MS_LANGID_MOLDAVIAN_MOLDAVIA 0x0818 +#define TT_MS_LANGID_RUSSIAN_MOLDAVIA 0x0819 +#define TT_MS_LANGID_URDU_INDIA 0x0820 +#define TT_MS_LANGID_CLASSIC_LITHUANIAN_LITHUANIA 0x0827 +#define TT_MS_LANGID_SLOVENE_SLOVENIA \ + TT_MS_LANGID_SLOVENIAN_SLOVENIA +#define TT_MS_LANGID_FARSI_IRAN 0x0429 +#define TT_MS_LANGID_BASQUE_SPAIN \ + TT_MS_LANGID_BASQUE_BASQUE +#define TT_MS_LANGID_SORBIAN_GERMANY \ + TT_MS_LANGID_UPPER_SORBIAN_GERMANY +#define TT_MS_LANGID_SUTU_SOUTH_AFRICA 0x0430 +#define TT_MS_LANGID_TSONGA_SOUTH_AFRICA 0x0431 +#define TT_MS_LANGID_TSWANA_SOUTH_AFRICA \ + TT_MS_LANGID_SETSWANA_SOUTH_AFRICA +#define TT_MS_LANGID_VENDA_SOUTH_AFRICA 0x0433 +#define TT_MS_LANGID_XHOSA_SOUTH_AFRICA \ + TT_MS_LANGID_ISIXHOSA_SOUTH_AFRICA +#define TT_MS_LANGID_ZULU_SOUTH_AFRICA \ + TT_MS_LANGID_ISIZULU_SOUTH_AFRICA +#define TT_MS_LANGID_SAAMI_LAPONIA 0x043B + /* the next two values are incorrectly inverted */ +#define TT_MS_LANGID_IRISH_GAELIC_IRELAND 0x043C +#define TT_MS_LANGID_SCOTTISH_GAELIC_UNITED_KINGDOM 0x083C +#define TT_MS_LANGID_YIDDISH_GERMANY 0x043D +#define TT_MS_LANGID_KAZAK_KAZAKSTAN \ + TT_MS_LANGID_KAZAKH_KAZAKHSTAN +#define TT_MS_LANGID_KIRGHIZ_KIRGHIZ_REPUBLIC \ + TT_MS_LANGID_KYRGYZ_KYRGYZSTAN +#define TT_MS_LANGID_KIRGHIZ_KIRGHIZSTAN \ + TT_MS_LANGID_KYRGYZ_KYRGYZSTAN +#define TT_MS_LANGID_SWAHILI_KENYA \ + TT_MS_LANGID_KISWAHILI_KENYA +#define TT_MS_LANGID_TATAR_TATARSTAN \ + TT_MS_LANGID_TATAR_RUSSIA +#define TT_MS_LANGID_PUNJABI_ARABIC_PAKISTAN 0x0846 +#define TT_MS_LANGID_ORIYA_INDIA \ + TT_MS_LANGID_ODIA_INDIA +#define TT_MS_LANGID_MONGOLIAN_MONGOLIA_MONGOLIAN \ + TT_MS_LANGID_MONGOLIAN_PRC +#define TT_MS_LANGID_TIBETAN_CHINA \ + TT_MS_LANGID_TIBETAN_PRC +#define TT_MS_LANGID_DZONGHKA_BHUTAN 0x0851 +#define TT_MS_LANGID_TIBETAN_BHUTAN \ + TT_MS_LANGID_DZONGHKA_BHUTAN +#define TT_MS_LANGID_WELSH_WALES \ + TT_MS_LANGID_WELSH_UNITED_KINGDOM +#define TT_MS_LANGID_BURMESE_MYANMAR 0x0455 +#define TT_MS_LANGID_GALICIAN_SPAIN \ + TT_MS_LANGID_GALICIAN_GALICIAN +#define TT_MS_LANGID_MANIPURI_INDIA /* Bengali */ 0x0458 +#define TT_MS_LANGID_SINDHI_INDIA /* Arabic */ 0x0459 +#define TT_MS_LANGID_SINDHI_PAKISTAN 0x0859 +#define TT_MS_LANGID_SINHALESE_SRI_LANKA \ + TT_MS_LANGID_SINHALA_SRI_LANKA +#define TT_MS_LANGID_CHEROKEE_UNITED_STATES 0x045C +#define TT_MS_LANGID_TAMAZIGHT_MOROCCO /* Arabic */ 0x045F +#define TT_MS_LANGID_TAMAZIGHT_MOROCCO_LATIN \ + TT_MS_LANGID_TAMAZIGHT_ALGERIA +#define TT_MS_LANGID_KASHMIRI_PAKISTAN /* Arabic */ 0x0460 +#define TT_MS_LANGID_KASHMIRI_SASIA 0x0860 +#define TT_MS_LANGID_KASHMIRI_INDIA \ + TT_MS_LANGID_KASHMIRI_SASIA +#define TT_MS_LANGID_NEPALI_INDIA 0x0861 +#define TT_MS_LANGID_DIVEHI_MALDIVES \ + TT_MS_LANGID_DHIVEHI_MALDIVES +#define TT_MS_LANGID_EDO_NIGERIA 0x0466 +#define TT_MS_LANGID_FULFULDE_NIGERIA 0x0467 +#define TT_MS_LANGID_IBIBIO_NIGERIA 0x0469 +#define TT_MS_LANGID_SEPEDI_SOUTH_AFRICA \ + TT_MS_LANGID_SESOTHO_SA_LEBOA_SOUTH_AFRICA +#define TT_MS_LANGID_SOTHO_SOUTHERN_SOUTH_AFRICA \ + TT_MS_LANGID_SESOTHO_SA_LEBOA_SOUTH_AFRICA +#define TT_MS_LANGID_KANURI_NIGERIA 0x0471 +#define TT_MS_LANGID_OROMO_ETHIOPIA 0x0472 +#define TT_MS_LANGID_TIGRIGNA_ETHIOPIA 0x0473 +#define TT_MS_LANGID_TIGRIGNA_ERYTHREA 0x0873 +#define TT_MS_LANGID_TIGRIGNA_ERYTREA \ + TT_MS_LANGID_TIGRIGNA_ERYTHREA +#define TT_MS_LANGID_GUARANI_PARAGUAY 0x0474 +#define TT_MS_LANGID_HAWAIIAN_UNITED_STATES 0x0475 +#define TT_MS_LANGID_LATIN 0x0476 +#define TT_MS_LANGID_SOMALI_SOMALIA 0x0477 +#define TT_MS_LANGID_YI_CHINA \ + TT_MS_LANGID_YI_PRC +#define TT_MS_LANGID_PAPIAMENTU_NETHERLANDS_ANTILLES 0x0479 +#define TT_MS_LANGID_UIGHUR_CHINA \ + TT_MS_LANGID_UIGHUR_PRC + + + /*********************************************************************** + * + * @enum: + * TT_NAME_ID_XXX + * + * @description: + * Possible values of the `name' identifier field in the name records of + * an SFNT `name' table. These values are platform independent. + */ + +#define TT_NAME_ID_COPYRIGHT 0 +#define TT_NAME_ID_FONT_FAMILY 1 +#define TT_NAME_ID_FONT_SUBFAMILY 2 +#define TT_NAME_ID_UNIQUE_ID 3 +#define TT_NAME_ID_FULL_NAME 4 +#define TT_NAME_ID_VERSION_STRING 5 +#define TT_NAME_ID_PS_NAME 6 +#define TT_NAME_ID_TRADEMARK 7 + + /* the following values are from the OpenType spec */ +#define TT_NAME_ID_MANUFACTURER 8 +#define TT_NAME_ID_DESIGNER 9 +#define TT_NAME_ID_DESCRIPTION 10 +#define TT_NAME_ID_VENDOR_URL 11 +#define TT_NAME_ID_DESIGNER_URL 12 +#define TT_NAME_ID_LICENSE 13 +#define TT_NAME_ID_LICENSE_URL 14 + /* number 15 is reserved */ +#define TT_NAME_ID_TYPOGRAPHIC_FAMILY 16 +#define TT_NAME_ID_TYPOGRAPHIC_SUBFAMILY 17 +#define TT_NAME_ID_MAC_FULL_NAME 18 + + /* The following code is new as of 2000-01-21 */ +#define TT_NAME_ID_SAMPLE_TEXT 19 + + /* This is new in OpenType 1.3 */ +#define TT_NAME_ID_CID_FINDFONT_NAME 20 + + /* This is new in OpenType 1.5 */ +#define TT_NAME_ID_WWS_FAMILY 21 +#define TT_NAME_ID_WWS_SUBFAMILY 22 + + /* This is new in OpenType 1.7 */ +#define TT_NAME_ID_LIGHT_BACKGROUND 23 +#define TT_NAME_ID_DARK_BACKGROUND 24 + + /* This is new in OpenType 1.8 */ +#define TT_NAME_ID_VARIATIONS_PREFIX 25 + + /* these two values are deprecated */ +#define TT_NAME_ID_PREFERRED_FAMILY TT_NAME_ID_TYPOGRAPHIC_FAMILY +#define TT_NAME_ID_PREFERRED_SUBFAMILY TT_NAME_ID_TYPOGRAPHIC_SUBFAMILY + + + /*********************************************************************** + * + * @enum: + * TT_UCR_XXX + * + * @description: + * Possible bit mask values for the `ulUnicodeRangeX' fields in an SFNT + * `OS/2' table. + */ + + /* ulUnicodeRange1 */ + /* --------------- */ + + /* Bit 0 Basic Latin */ +#define TT_UCR_BASIC_LATIN (1L << 0) /* U+0020-U+007E */ + /* Bit 1 C1 Controls and Latin-1 Supplement */ +#define TT_UCR_LATIN1_SUPPLEMENT (1L << 1) /* U+0080-U+00FF */ + /* Bit 2 Latin Extended-A */ +#define TT_UCR_LATIN_EXTENDED_A (1L << 2) /* U+0100-U+017F */ + /* Bit 3 Latin Extended-B */ +#define TT_UCR_LATIN_EXTENDED_B (1L << 3) /* U+0180-U+024F */ + /* Bit 4 IPA Extensions */ + /* Phonetic Extensions */ + /* Phonetic Extensions Supplement */ +#define TT_UCR_IPA_EXTENSIONS (1L << 4) /* U+0250-U+02AF */ + /* U+1D00-U+1D7F */ + /* U+1D80-U+1DBF */ + /* Bit 5 Spacing Modifier Letters */ + /* Modifier Tone Letters */ +#define TT_UCR_SPACING_MODIFIER (1L << 5) /* U+02B0-U+02FF */ + /* U+A700-U+A71F */ + /* Bit 6 Combining Diacritical Marks */ + /* Combining Diacritical Marks Supplement */ +#define TT_UCR_COMBINING_DIACRITICAL_MARKS (1L << 6) /* U+0300-U+036F */ + /* U+1DC0-U+1DFF */ + /* Bit 7 Greek and Coptic */ +#define TT_UCR_GREEK (1L << 7) /* U+0370-U+03FF */ + /* Bit 8 Coptic */ +#define TT_UCR_COPTIC (1L << 8) /* U+2C80-U+2CFF */ + /* Bit 9 Cyrillic */ + /* Cyrillic Supplement */ + /* Cyrillic Extended-A */ + /* Cyrillic Extended-B */ +#define TT_UCR_CYRILLIC (1L << 9) /* U+0400-U+04FF */ + /* U+0500-U+052F */ + /* U+2DE0-U+2DFF */ + /* U+A640-U+A69F */ + /* Bit 10 Armenian */ +#define TT_UCR_ARMENIAN (1L << 10) /* U+0530-U+058F */ + /* Bit 11 Hebrew */ +#define TT_UCR_HEBREW (1L << 11) /* U+0590-U+05FF */ + /* Bit 12 Vai */ +#define TT_UCR_VAI (1L << 12) /* U+A500-U+A63F */ + /* Bit 13 Arabic */ + /* Arabic Supplement */ +#define TT_UCR_ARABIC (1L << 13) /* U+0600-U+06FF */ + /* U+0750-U+077F */ + /* Bit 14 NKo */ +#define TT_UCR_NKO (1L << 14) /* U+07C0-U+07FF */ + /* Bit 15 Devanagari */ +#define TT_UCR_DEVANAGARI (1L << 15) /* U+0900-U+097F */ + /* Bit 16 Bengali */ +#define TT_UCR_BENGALI (1L << 16) /* U+0980-U+09FF */ + /* Bit 17 Gurmukhi */ +#define TT_UCR_GURMUKHI (1L << 17) /* U+0A00-U+0A7F */ + /* Bit 18 Gujarati */ +#define TT_UCR_GUJARATI (1L << 18) /* U+0A80-U+0AFF */ + /* Bit 19 Oriya */ +#define TT_UCR_ORIYA (1L << 19) /* U+0B00-U+0B7F */ + /* Bit 20 Tamil */ +#define TT_UCR_TAMIL (1L << 20) /* U+0B80-U+0BFF */ + /* Bit 21 Telugu */ +#define TT_UCR_TELUGU (1L << 21) /* U+0C00-U+0C7F */ + /* Bit 22 Kannada */ +#define TT_UCR_KANNADA (1L << 22) /* U+0C80-U+0CFF */ + /* Bit 23 Malayalam */ +#define TT_UCR_MALAYALAM (1L << 23) /* U+0D00-U+0D7F */ + /* Bit 24 Thai */ +#define TT_UCR_THAI (1L << 24) /* U+0E00-U+0E7F */ + /* Bit 25 Lao */ +#define TT_UCR_LAO (1L << 25) /* U+0E80-U+0EFF */ + /* Bit 26 Georgian */ + /* Georgian Supplement */ +#define TT_UCR_GEORGIAN (1L << 26) /* U+10A0-U+10FF */ + /* U+2D00-U+2D2F */ + /* Bit 27 Balinese */ +#define TT_UCR_BALINESE (1L << 27) /* U+1B00-U+1B7F */ + /* Bit 28 Hangul Jamo */ +#define TT_UCR_HANGUL_JAMO (1L << 28) /* U+1100-U+11FF */ + /* Bit 29 Latin Extended Additional */ + /* Latin Extended-C */ + /* Latin Extended-D */ +#define TT_UCR_LATIN_EXTENDED_ADDITIONAL (1L << 29) /* U+1E00-U+1EFF */ + /* U+2C60-U+2C7F */ + /* U+A720-U+A7FF */ + /* Bit 30 Greek Extended */ +#define TT_UCR_GREEK_EXTENDED (1L << 30) /* U+1F00-U+1FFF */ + /* Bit 31 General Punctuation */ + /* Supplemental Punctuation */ +#define TT_UCR_GENERAL_PUNCTUATION (1L << 31) /* U+2000-U+206F */ + /* U+2E00-U+2E7F */ + + /* ulUnicodeRange2 */ + /* --------------- */ + + /* Bit 32 Superscripts And Subscripts */ +#define TT_UCR_SUPERSCRIPTS_SUBSCRIPTS (1L << 0) /* U+2070-U+209F */ + /* Bit 33 Currency Symbols */ +#define TT_UCR_CURRENCY_SYMBOLS (1L << 1) /* U+20A0-U+20CF */ + /* Bit 34 Combining Diacritical Marks For Symbols */ +#define TT_UCR_COMBINING_DIACRITICAL_MARKS_SYMB \ + (1L << 2) /* U+20D0-U+20FF */ + /* Bit 35 Letterlike Symbols */ +#define TT_UCR_LETTERLIKE_SYMBOLS (1L << 3) /* U+2100-U+214F */ + /* Bit 36 Number Forms */ +#define TT_UCR_NUMBER_FORMS (1L << 4) /* U+2150-U+218F */ + /* Bit 37 Arrows */ + /* Supplemental Arrows-A */ + /* Supplemental Arrows-B */ + /* Miscellaneous Symbols and Arrows */ +#define TT_UCR_ARROWS (1L << 5) /* U+2190-U+21FF */ + /* U+27F0-U+27FF */ + /* U+2900-U+297F */ + /* U+2B00-U+2BFF */ + /* Bit 38 Mathematical Operators */ + /* Supplemental Mathematical Operators */ + /* Miscellaneous Mathematical Symbols-A */ + /* Miscellaneous Mathematical Symbols-B */ +#define TT_UCR_MATHEMATICAL_OPERATORS (1L << 6) /* U+2200-U+22FF */ + /* U+2A00-U+2AFF */ + /* U+27C0-U+27EF */ + /* U+2980-U+29FF */ + /* Bit 39 Miscellaneous Technical */ +#define TT_UCR_MISCELLANEOUS_TECHNICAL (1L << 7) /* U+2300-U+23FF */ + /* Bit 40 Control Pictures */ +#define TT_UCR_CONTROL_PICTURES (1L << 8) /* U+2400-U+243F */ + /* Bit 41 Optical Character Recognition */ +#define TT_UCR_OCR (1L << 9) /* U+2440-U+245F */ + /* Bit 42 Enclosed Alphanumerics */ +#define TT_UCR_ENCLOSED_ALPHANUMERICS (1L << 10) /* U+2460-U+24FF */ + /* Bit 43 Box Drawing */ +#define TT_UCR_BOX_DRAWING (1L << 11) /* U+2500-U+257F */ + /* Bit 44 Block Elements */ +#define TT_UCR_BLOCK_ELEMENTS (1L << 12) /* U+2580-U+259F */ + /* Bit 45 Geometric Shapes */ +#define TT_UCR_GEOMETRIC_SHAPES (1L << 13) /* U+25A0-U+25FF */ + /* Bit 46 Miscellaneous Symbols */ +#define TT_UCR_MISCELLANEOUS_SYMBOLS (1L << 14) /* U+2600-U+26FF */ + /* Bit 47 Dingbats */ +#define TT_UCR_DINGBATS (1L << 15) /* U+2700-U+27BF */ + /* Bit 48 CJK Symbols and Punctuation */ +#define TT_UCR_CJK_SYMBOLS (1L << 16) /* U+3000-U+303F */ + /* Bit 49 Hiragana */ +#define TT_UCR_HIRAGANA (1L << 17) /* U+3040-U+309F */ + /* Bit 50 Katakana */ + /* Katakana Phonetic Extensions */ +#define TT_UCR_KATAKANA (1L << 18) /* U+30A0-U+30FF */ + /* U+31F0-U+31FF */ + /* Bit 51 Bopomofo */ + /* Bopomofo Extended */ +#define TT_UCR_BOPOMOFO (1L << 19) /* U+3100-U+312F */ + /* U+31A0-U+31BF */ + /* Bit 52 Hangul Compatibility Jamo */ +#define TT_UCR_HANGUL_COMPATIBILITY_JAMO (1L << 20) /* U+3130-U+318F */ + /* Bit 53 Phags-Pa */ +#define TT_UCR_CJK_MISC (1L << 21) /* U+A840-U+A87F */ +#define TT_UCR_KANBUN TT_UCR_CJK_MISC /* deprecated */ +#define TT_UCR_PHAGSPA + /* Bit 54 Enclosed CJK Letters and Months */ +#define TT_UCR_ENCLOSED_CJK_LETTERS_MONTHS (1L << 22) /* U+3200-U+32FF */ + /* Bit 55 CJK Compatibility */ +#define TT_UCR_CJK_COMPATIBILITY (1L << 23) /* U+3300-U+33FF */ + /* Bit 56 Hangul Syllables */ +#define TT_UCR_HANGUL (1L << 24) /* U+AC00-U+D7A3 */ + /* Bit 57 High Surrogates */ + /* High Private Use Surrogates */ + /* Low Surrogates */ + + /* According to OpenType specs v.1.3+, */ + /* setting bit 57 implies that there is */ + /* at least one codepoint beyond the */ + /* Basic Multilingual Plane that is */ + /* supported by this font. So it really */ + /* means >= U+10000. */ +#define TT_UCR_SURROGATES (1L << 25) /* U+D800-U+DB7F */ + /* U+DB80-U+DBFF */ + /* U+DC00-U+DFFF */ +#define TT_UCR_NON_PLANE_0 TT_UCR_SURROGATES + /* Bit 58 Phoenician */ +#define TT_UCR_PHOENICIAN (1L << 26) /*U+10900-U+1091F*/ + /* Bit 59 CJK Unified Ideographs */ + /* CJK Radicals Supplement */ + /* Kangxi Radicals */ + /* Ideographic Description Characters */ + /* CJK Unified Ideographs Extension A */ + /* CJK Unified Ideographs Extension B */ + /* Kanbun */ +#define TT_UCR_CJK_UNIFIED_IDEOGRAPHS (1L << 27) /* U+4E00-U+9FFF */ + /* U+2E80-U+2EFF */ + /* U+2F00-U+2FDF */ + /* U+2FF0-U+2FFF */ + /* U+3400-U+4DB5 */ + /*U+20000-U+2A6DF*/ + /* U+3190-U+319F */ + /* Bit 60 Private Use */ +#define TT_UCR_PRIVATE_USE (1L << 28) /* U+E000-U+F8FF */ + /* Bit 61 CJK Strokes */ + /* CJK Compatibility Ideographs */ + /* CJK Compatibility Ideographs Supplement */ +#define TT_UCR_CJK_COMPATIBILITY_IDEOGRAPHS (1L << 29) /* U+31C0-U+31EF */ + /* U+F900-U+FAFF */ + /*U+2F800-U+2FA1F*/ + /* Bit 62 Alphabetic Presentation Forms */ +#define TT_UCR_ALPHABETIC_PRESENTATION_FORMS (1L << 30) /* U+FB00-U+FB4F */ + /* Bit 63 Arabic Presentation Forms-A */ +#define TT_UCR_ARABIC_PRESENTATION_FORMS_A (1L << 31) /* U+FB50-U+FDFF */ + + /* ulUnicodeRange3 */ + /* --------------- */ + + /* Bit 64 Combining Half Marks */ +#define TT_UCR_COMBINING_HALF_MARKS (1L << 0) /* U+FE20-U+FE2F */ + /* Bit 65 Vertical forms */ + /* CJK Compatibility Forms */ +#define TT_UCR_CJK_COMPATIBILITY_FORMS (1L << 1) /* U+FE10-U+FE1F */ + /* U+FE30-U+FE4F */ + /* Bit 66 Small Form Variants */ +#define TT_UCR_SMALL_FORM_VARIANTS (1L << 2) /* U+FE50-U+FE6F */ + /* Bit 67 Arabic Presentation Forms-B */ +#define TT_UCR_ARABIC_PRESENTATION_FORMS_B (1L << 3) /* U+FE70-U+FEFE */ + /* Bit 68 Halfwidth and Fullwidth Forms */ +#define TT_UCR_HALFWIDTH_FULLWIDTH_FORMS (1L << 4) /* U+FF00-U+FFEF */ + /* Bit 69 Specials */ +#define TT_UCR_SPECIALS (1L << 5) /* U+FFF0-U+FFFD */ + /* Bit 70 Tibetan */ +#define TT_UCR_TIBETAN (1L << 6) /* U+0F00-U+0FFF */ + /* Bit 71 Syriac */ +#define TT_UCR_SYRIAC (1L << 7) /* U+0700-U+074F */ + /* Bit 72 Thaana */ +#define TT_UCR_THAANA (1L << 8) /* U+0780-U+07BF */ + /* Bit 73 Sinhala */ +#define TT_UCR_SINHALA (1L << 9) /* U+0D80-U+0DFF */ + /* Bit 74 Myanmar */ +#define TT_UCR_MYANMAR (1L << 10) /* U+1000-U+109F */ + /* Bit 75 Ethiopic */ + /* Ethiopic Supplement */ + /* Ethiopic Extended */ +#define TT_UCR_ETHIOPIC (1L << 11) /* U+1200-U+137F */ + /* U+1380-U+139F */ + /* U+2D80-U+2DDF */ + /* Bit 76 Cherokee */ +#define TT_UCR_CHEROKEE (1L << 12) /* U+13A0-U+13FF */ + /* Bit 77 Unified Canadian Aboriginal Syllabics */ +#define TT_UCR_CANADIAN_ABORIGINAL_SYLLABICS (1L << 13) /* U+1400-U+167F */ + /* Bit 78 Ogham */ +#define TT_UCR_OGHAM (1L << 14) /* U+1680-U+169F */ + /* Bit 79 Runic */ +#define TT_UCR_RUNIC (1L << 15) /* U+16A0-U+16FF */ + /* Bit 80 Khmer */ + /* Khmer Symbols */ +#define TT_UCR_KHMER (1L << 16) /* U+1780-U+17FF */ + /* U+19E0-U+19FF */ + /* Bit 81 Mongolian */ +#define TT_UCR_MONGOLIAN (1L << 17) /* U+1800-U+18AF */ + /* Bit 82 Braille Patterns */ +#define TT_UCR_BRAILLE (1L << 18) /* U+2800-U+28FF */ + /* Bit 83 Yi Syllables */ + /* Yi Radicals */ +#define TT_UCR_YI (1L << 19) /* U+A000-U+A48F */ + /* U+A490-U+A4CF */ + /* Bit 84 Tagalog */ + /* Hanunoo */ + /* Buhid */ + /* Tagbanwa */ +#define TT_UCR_PHILIPPINE (1L << 20) /* U+1700-U+171F */ + /* U+1720-U+173F */ + /* U+1740-U+175F */ + /* U+1760-U+177F */ + /* Bit 85 Old Italic */ +#define TT_UCR_OLD_ITALIC (1L << 21) /*U+10300-U+1032F*/ + /* Bit 86 Gothic */ +#define TT_UCR_GOTHIC (1L << 22) /*U+10330-U+1034F*/ + /* Bit 87 Deseret */ +#define TT_UCR_DESERET (1L << 23) /*U+10400-U+1044F*/ + /* Bit 88 Byzantine Musical Symbols */ + /* Musical Symbols */ + /* Ancient Greek Musical Notation */ +#define TT_UCR_MUSICAL_SYMBOLS (1L << 24) /*U+1D000-U+1D0FF*/ + /*U+1D100-U+1D1FF*/ + /*U+1D200-U+1D24F*/ + /* Bit 89 Mathematical Alphanumeric Symbols */ +#define TT_UCR_MATH_ALPHANUMERIC_SYMBOLS (1L << 25) /*U+1D400-U+1D7FF*/ + /* Bit 90 Private Use (plane 15) */ + /* Private Use (plane 16) */ +#define TT_UCR_PRIVATE_USE_SUPPLEMENTARY (1L << 26) /*U+F0000-U+FFFFD*/ + /*U+100000-U+10FFFD*/ + /* Bit 91 Variation Selectors */ + /* Variation Selectors Supplement */ +#define TT_UCR_VARIATION_SELECTORS (1L << 27) /* U+FE00-U+FE0F */ + /*U+E0100-U+E01EF*/ + /* Bit 92 Tags */ +#define TT_UCR_TAGS (1L << 28) /*U+E0000-U+E007F*/ + /* Bit 93 Limbu */ +#define TT_UCR_LIMBU (1L << 29) /* U+1900-U+194F */ + /* Bit 94 Tai Le */ +#define TT_UCR_TAI_LE (1L << 30) /* U+1950-U+197F */ + /* Bit 95 New Tai Lue */ +#define TT_UCR_NEW_TAI_LUE (1L << 31) /* U+1980-U+19DF */ + + /* ulUnicodeRange4 */ + /* --------------- */ + + /* Bit 96 Buginese */ +#define TT_UCR_BUGINESE (1L << 0) /* U+1A00-U+1A1F */ + /* Bit 97 Glagolitic */ +#define TT_UCR_GLAGOLITIC (1L << 1) /* U+2C00-U+2C5F */ + /* Bit 98 Tifinagh */ +#define TT_UCR_TIFINAGH (1L << 2) /* U+2D30-U+2D7F */ + /* Bit 99 Yijing Hexagram Symbols */ +#define TT_UCR_YIJING (1L << 3) /* U+4DC0-U+4DFF */ + /* Bit 100 Syloti Nagri */ +#define TT_UCR_SYLOTI_NAGRI (1L << 4) /* U+A800-U+A82F */ + /* Bit 101 Linear B Syllabary */ + /* Linear B Ideograms */ + /* Aegean Numbers */ +#define TT_UCR_LINEAR_B (1L << 5) /*U+10000-U+1007F*/ + /*U+10080-U+100FF*/ + /*U+10100-U+1013F*/ + /* Bit 102 Ancient Greek Numbers */ +#define TT_UCR_ANCIENT_GREEK_NUMBERS (1L << 6) /*U+10140-U+1018F*/ + /* Bit 103 Ugaritic */ +#define TT_UCR_UGARITIC (1L << 7) /*U+10380-U+1039F*/ + /* Bit 104 Old Persian */ +#define TT_UCR_OLD_PERSIAN (1L << 8) /*U+103A0-U+103DF*/ + /* Bit 105 Shavian */ +#define TT_UCR_SHAVIAN (1L << 9) /*U+10450-U+1047F*/ + /* Bit 106 Osmanya */ +#define TT_UCR_OSMANYA (1L << 10) /*U+10480-U+104AF*/ + /* Bit 107 Cypriot Syllabary */ +#define TT_UCR_CYPRIOT_SYLLABARY (1L << 11) /*U+10800-U+1083F*/ + /* Bit 108 Kharoshthi */ +#define TT_UCR_KHAROSHTHI (1L << 12) /*U+10A00-U+10A5F*/ + /* Bit 109 Tai Xuan Jing Symbols */ +#define TT_UCR_TAI_XUAN_JING (1L << 13) /*U+1D300-U+1D35F*/ + /* Bit 110 Cuneiform */ + /* Cuneiform Numbers and Punctuation */ +#define TT_UCR_CUNEIFORM (1L << 14) /*U+12000-U+123FF*/ + /*U+12400-U+1247F*/ + /* Bit 111 Counting Rod Numerals */ +#define TT_UCR_COUNTING_ROD_NUMERALS (1L << 15) /*U+1D360-U+1D37F*/ + /* Bit 112 Sundanese */ +#define TT_UCR_SUNDANESE (1L << 16) /* U+1B80-U+1BBF */ + /* Bit 113 Lepcha */ +#define TT_UCR_LEPCHA (1L << 17) /* U+1C00-U+1C4F */ + /* Bit 114 Ol Chiki */ +#define TT_UCR_OL_CHIKI (1L << 18) /* U+1C50-U+1C7F */ + /* Bit 115 Saurashtra */ +#define TT_UCR_SAURASHTRA (1L << 19) /* U+A880-U+A8DF */ + /* Bit 116 Kayah Li */ +#define TT_UCR_KAYAH_LI (1L << 20) /* U+A900-U+A92F */ + /* Bit 117 Rejang */ +#define TT_UCR_REJANG (1L << 21) /* U+A930-U+A95F */ + /* Bit 118 Cham */ +#define TT_UCR_CHAM (1L << 22) /* U+AA00-U+AA5F */ + /* Bit 119 Ancient Symbols */ +#define TT_UCR_ANCIENT_SYMBOLS (1L << 23) /*U+10190-U+101CF*/ + /* Bit 120 Phaistos Disc */ +#define TT_UCR_PHAISTOS_DISC (1L << 24) /*U+101D0-U+101FF*/ + /* Bit 121 Carian */ + /* Lycian */ + /* Lydian */ +#define TT_UCR_OLD_ANATOLIAN (1L << 25) /*U+102A0-U+102DF*/ + /*U+10280-U+1029F*/ + /*U+10920-U+1093F*/ + /* Bit 122 Domino Tiles */ + /* Mahjong Tiles */ +#define TT_UCR_GAME_TILES (1L << 26) /*U+1F030-U+1F09F*/ + /*U+1F000-U+1F02F*/ + /* Bit 123-127 Reserved for process-internal usage */ + + /* */ + + /* for backward compatibility with older FreeType versions */ +#define TT_UCR_ARABIC_PRESENTATION_A \ + TT_UCR_ARABIC_PRESENTATION_FORMS_A +#define TT_UCR_ARABIC_PRESENTATION_B \ + TT_UCR_ARABIC_PRESENTATION_FORMS_B + +#define TT_UCR_COMBINING_DIACRITICS \ + TT_UCR_COMBINING_DIACRITICAL_MARKS +#define TT_UCR_COMBINING_DIACRITICS_SYMB \ + TT_UCR_COMBINING_DIACRITICAL_MARKS_SYMB + + +FT_END_HEADER + +#endif /* TTNAMEID_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/tttables.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/tttables.h new file mode 100644 index 00000000000..ce6a61779c4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/tttables.h @@ -0,0 +1,846 @@ +/***************************************************************************/ +/* */ +/* tttables.h */ +/* */ +/* Basic SFNT/TrueType tables definitions and interface */ +/* (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTTABLES_H_ +#define TTTABLES_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + /*************************************************************************/ + /* */ + /* <Section> */ + /* truetype_tables */ + /* */ + /* <Title> */ + /* TrueType Tables */ + /* */ + /* <Abstract> */ + /* TrueType specific table types and functions. */ + /* */ + /* <Description> */ + /* This section contains definitions of some basic tables specific to */ + /* TrueType and OpenType as well as some routines used to access and */ + /* process them. */ + /* */ + /* <Order> */ + /* TT_Header */ + /* TT_HoriHeader */ + /* TT_VertHeader */ + /* TT_OS2 */ + /* TT_Postscript */ + /* TT_PCLT */ + /* TT_MaxProfile */ + /* */ + /* FT_Sfnt_Tag */ + /* FT_Get_Sfnt_Table */ + /* FT_Load_Sfnt_Table */ + /* FT_Sfnt_Table_Info */ + /* */ + /* FT_Get_CMap_Language_ID */ + /* FT_Get_CMap_Format */ + /* */ + /* FT_PARAM_TAG_UNPATENTED_HINTING */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_Header */ + /* */ + /* <Description> */ + /* A structure to model a TrueType font header table. All fields */ + /* follow the OpenType specification. */ + /* */ + typedef struct TT_Header_ + { + FT_Fixed Table_Version; + FT_Fixed Font_Revision; + + FT_Long CheckSum_Adjust; + FT_Long Magic_Number; + + FT_UShort Flags; + FT_UShort Units_Per_EM; + + FT_Long Created [2]; + FT_Long Modified[2]; + + FT_Short xMin; + FT_Short yMin; + FT_Short xMax; + FT_Short yMax; + + FT_UShort Mac_Style; + FT_UShort Lowest_Rec_PPEM; + + FT_Short Font_Direction; + FT_Short Index_To_Loc_Format; + FT_Short Glyph_Data_Format; + + } TT_Header; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_HoriHeader */ + /* */ + /* <Description> */ + /* A structure to model a TrueType horizontal header, the `hhea' */ + /* table, as well as the corresponding horizontal metrics table, */ + /* `hmtx'. */ + /* */ + /* <Fields> */ + /* Version :: The table version. */ + /* */ + /* Ascender :: The font's ascender, i.e., the distance */ + /* from the baseline to the top-most of all */ + /* glyph points found in the font. */ + /* */ + /* This value is invalid in many fonts, as */ + /* it is usually set by the font designer, */ + /* and often reflects only a portion of the */ + /* glyphs found in the font (maybe ASCII). */ + /* */ + /* You should use the `sTypoAscender' field */ + /* of the `OS/2' table instead if you want */ + /* the correct one. */ + /* */ + /* Descender :: The font's descender, i.e., the distance */ + /* from the baseline to the bottom-most of */ + /* all glyph points found in the font. It */ + /* is negative. */ + /* */ + /* This value is invalid in many fonts, as */ + /* it is usually set by the font designer, */ + /* and often reflects only a portion of the */ + /* glyphs found in the font (maybe ASCII). */ + /* */ + /* You should use the `sTypoDescender' */ + /* field of the `OS/2' table instead if you */ + /* want the correct one. */ + /* */ + /* Line_Gap :: The font's line gap, i.e., the distance */ + /* to add to the ascender and descender to */ + /* get the BTB, i.e., the */ + /* baseline-to-baseline distance for the */ + /* font. */ + /* */ + /* advance_Width_Max :: This field is the maximum of all advance */ + /* widths found in the font. It can be */ + /* used to compute the maximum width of an */ + /* arbitrary string of text. */ + /* */ + /* min_Left_Side_Bearing :: The minimum left side bearing of all */ + /* glyphs within the font. */ + /* */ + /* min_Right_Side_Bearing :: The minimum right side bearing of all */ + /* glyphs within the font. */ + /* */ + /* xMax_Extent :: The maximum horizontal extent (i.e., the */ + /* `width' of a glyph's bounding box) for */ + /* all glyphs in the font. */ + /* */ + /* caret_Slope_Rise :: The rise coefficient of the cursor's */ + /* slope of the cursor (slope=rise/run). */ + /* */ + /* caret_Slope_Run :: The run coefficient of the cursor's */ + /* slope. */ + /* */ + /* caret_Offset :: The cursor's offset for slanted fonts. */ + /* */ + /* Reserved :: 8~reserved bytes. */ + /* */ + /* metric_Data_Format :: Always~0. */ + /* */ + /* number_Of_HMetrics :: Number of HMetrics entries in the `hmtx' */ + /* table -- this value can be smaller than */ + /* the total number of glyphs in the font. */ + /* */ + /* long_metrics :: A pointer into the `hmtx' table. */ + /* */ + /* short_metrics :: A pointer into the `hmtx' table. */ + /* */ + /* <Note> */ + /* For an OpenType variation font, the values of the following fields */ + /* can change after a call to @FT_Set_Var_Design_Coordinates (and */ + /* friends) if the font contains an `MVAR' table: `caret_Slope_Rise', */ + /* `caret_Slope_Run', and `caret_Offset'. */ + /* */ + typedef struct TT_HoriHeader_ + { + FT_Fixed Version; + FT_Short Ascender; + FT_Short Descender; + FT_Short Line_Gap; + + FT_UShort advance_Width_Max; /* advance width maximum */ + + FT_Short min_Left_Side_Bearing; /* minimum left-sb */ + FT_Short min_Right_Side_Bearing; /* minimum right-sb */ + FT_Short xMax_Extent; /* xmax extents */ + FT_Short caret_Slope_Rise; + FT_Short caret_Slope_Run; + FT_Short caret_Offset; + + FT_Short Reserved[4]; + + FT_Short metric_Data_Format; + FT_UShort number_Of_HMetrics; + + /* The following fields are not defined by the OpenType specification */ + /* but they are used to connect the metrics header to the relevant */ + /* `hmtx' table. */ + + void* long_metrics; + void* short_metrics; + + } TT_HoriHeader; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_VertHeader */ + /* */ + /* <Description> */ + /* A structure used to model a TrueType vertical header, the `vhea' */ + /* table, as well as the corresponding vertical metrics table, */ + /* `vmtx'. */ + /* */ + /* <Fields> */ + /* Version :: The table version. */ + /* */ + /* Ascender :: The font's ascender, i.e., the distance */ + /* from the baseline to the top-most of */ + /* all glyph points found in the font. */ + /* */ + /* This value is invalid in many fonts, as */ + /* it is usually set by the font designer, */ + /* and often reflects only a portion of */ + /* the glyphs found in the font (maybe */ + /* ASCII). */ + /* */ + /* You should use the `sTypoAscender' */ + /* field of the `OS/2' table instead if */ + /* you want the correct one. */ + /* */ + /* Descender :: The font's descender, i.e., the */ + /* distance from the baseline to the */ + /* bottom-most of all glyph points found */ + /* in the font. It is negative. */ + /* */ + /* This value is invalid in many fonts, as */ + /* it is usually set by the font designer, */ + /* and often reflects only a portion of */ + /* the glyphs found in the font (maybe */ + /* ASCII). */ + /* */ + /* You should use the `sTypoDescender' */ + /* field of the `OS/2' table instead if */ + /* you want the correct one. */ + /* */ + /* Line_Gap :: The font's line gap, i.e., the distance */ + /* to add to the ascender and descender to */ + /* get the BTB, i.e., the */ + /* baseline-to-baseline distance for the */ + /* font. */ + /* */ + /* advance_Height_Max :: This field is the maximum of all */ + /* advance heights found in the font. It */ + /* can be used to compute the maximum */ + /* height of an arbitrary string of text. */ + /* */ + /* min_Top_Side_Bearing :: The minimum top side bearing of all */ + /* glyphs within the font. */ + /* */ + /* min_Bottom_Side_Bearing :: The minimum bottom side bearing of all */ + /* glyphs within the font. */ + /* */ + /* yMax_Extent :: The maximum vertical extent (i.e., the */ + /* `height' of a glyph's bounding box) for */ + /* all glyphs in the font. */ + /* */ + /* caret_Slope_Rise :: The rise coefficient of the cursor's */ + /* slope of the cursor (slope=rise/run). */ + /* */ + /* caret_Slope_Run :: The run coefficient of the cursor's */ + /* slope. */ + /* */ + /* caret_Offset :: The cursor's offset for slanted fonts. */ + /* */ + /* Reserved :: 8~reserved bytes. */ + /* */ + /* metric_Data_Format :: Always~0. */ + /* */ + /* number_Of_VMetrics :: Number of VMetrics entries in the */ + /* `vmtx' table -- this value can be */ + /* smaller than the total number of glyphs */ + /* in the font. */ + /* */ + /* long_metrics :: A pointer into the `vmtx' table. */ + /* */ + /* short_metrics :: A pointer into the `vmtx' table. */ + /* */ + /* <Note> */ + /* For an OpenType variation font, the values of the following fields */ + /* can change after a call to @FT_Set_Var_Design_Coordinates (and */ + /* friends) if the font contains an `MVAR' table: `Ascender', */ + /* `Descender', `Line_Gap', `caret_Slope_Rise', `caret_Slope_Run', */ + /* and `caret_Offset'. */ + /* */ + typedef struct TT_VertHeader_ + { + FT_Fixed Version; + FT_Short Ascender; + FT_Short Descender; + FT_Short Line_Gap; + + FT_UShort advance_Height_Max; /* advance height maximum */ + + FT_Short min_Top_Side_Bearing; /* minimum top-sb */ + FT_Short min_Bottom_Side_Bearing; /* minimum bottom-sb */ + FT_Short yMax_Extent; /* ymax extents */ + FT_Short caret_Slope_Rise; + FT_Short caret_Slope_Run; + FT_Short caret_Offset; + + FT_Short Reserved[4]; + + FT_Short metric_Data_Format; + FT_UShort number_Of_VMetrics; + + /* The following fields are not defined by the OpenType specification */ + /* but they are used to connect the metrics header to the relevant */ + /* `vmtx' table. */ + + void* long_metrics; + void* short_metrics; + + } TT_VertHeader; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_OS2 */ + /* */ + /* <Description> */ + /* A structure to model a TrueType `OS/2' table. All fields comply */ + /* to the OpenType specification. */ + /* */ + /* Note that we now support old Mac fonts that do not include an */ + /* `OS/2' table. In this case, the `version' field is always set to */ + /* 0xFFFF. */ + /* */ + /* <Note> */ + /* For an OpenType variation font, the values of the following fields */ + /* can change after a call to @FT_Set_Var_Design_Coordinates (and */ + /* friends) if the font contains an `MVAR' table: `sCapHeight', */ + /* `sTypoAscender', `sTypoDescender', `sTypoLineGap', `sxHeight', */ + /* `usWinAscent', `usWinDescent', `yStrikeoutPosition', */ + /* `yStrikeoutSize', `ySubscriptXOffset', `ySubScriptXSize', */ + /* `ySubscriptYOffset', `ySubscriptYSize', `ySuperscriptXOffset', */ + /* `ySuperscriptXSize', `ySuperscriptYOffset', and */ + /* `ySuperscriptYSize'. */ + /* */ + /* Possible values for bits in the `ulUnicodeRangeX' fields are given */ + /* by the @TT_UCR_XXX macros. */ + /* */ + + typedef struct TT_OS2_ + { + FT_UShort version; /* 0x0001 - more or 0xFFFF */ + FT_Short xAvgCharWidth; + FT_UShort usWeightClass; + FT_UShort usWidthClass; + FT_UShort fsType; + FT_Short ySubscriptXSize; + FT_Short ySubscriptYSize; + FT_Short ySubscriptXOffset; + FT_Short ySubscriptYOffset; + FT_Short ySuperscriptXSize; + FT_Short ySuperscriptYSize; + FT_Short ySuperscriptXOffset; + FT_Short ySuperscriptYOffset; + FT_Short yStrikeoutSize; + FT_Short yStrikeoutPosition; + FT_Short sFamilyClass; + + FT_Byte panose[10]; + + FT_ULong ulUnicodeRange1; /* Bits 0-31 */ + FT_ULong ulUnicodeRange2; /* Bits 32-63 */ + FT_ULong ulUnicodeRange3; /* Bits 64-95 */ + FT_ULong ulUnicodeRange4; /* Bits 96-127 */ + + FT_Char achVendID[4]; + + FT_UShort fsSelection; + FT_UShort usFirstCharIndex; + FT_UShort usLastCharIndex; + FT_Short sTypoAscender; + FT_Short sTypoDescender; + FT_Short sTypoLineGap; + FT_UShort usWinAscent; + FT_UShort usWinDescent; + + /* only version 1 and higher: */ + + FT_ULong ulCodePageRange1; /* Bits 0-31 */ + FT_ULong ulCodePageRange2; /* Bits 32-63 */ + + /* only version 2 and higher: */ + + FT_Short sxHeight; + FT_Short sCapHeight; + FT_UShort usDefaultChar; + FT_UShort usBreakChar; + FT_UShort usMaxContext; + + /* only version 5 and higher: */ + + FT_UShort usLowerOpticalPointSize; /* in twips (1/20th points) */ + FT_UShort usUpperOpticalPointSize; /* in twips (1/20th points) */ + + } TT_OS2; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_Postscript */ + /* */ + /* <Description> */ + /* A structure to model a TrueType `post' table. All fields comply */ + /* to the OpenType specification. This structure does not reference */ + /* a font's PostScript glyph names; use @FT_Get_Glyph_Name to */ + /* retrieve them. */ + /* */ + /* <Note> */ + /* For an OpenType variation font, the values of the following fields */ + /* can change after a call to @FT_Set_Var_Design_Coordinates (and */ + /* friends) if the font contains an `MVAR' table: `underlinePosition' */ + /* and `underlineThickness'. */ + /* */ + typedef struct TT_Postscript_ + { + FT_Fixed FormatType; + FT_Fixed italicAngle; + FT_Short underlinePosition; + FT_Short underlineThickness; + FT_ULong isFixedPitch; + FT_ULong minMemType42; + FT_ULong maxMemType42; + FT_ULong minMemType1; + FT_ULong maxMemType1; + + /* Glyph names follow in the `post' table, but we don't */ + /* load them by default. */ + + } TT_Postscript; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_PCLT */ + /* */ + /* <Description> */ + /* A structure to model a TrueType `PCLT' table. All fields comply */ + /* to the OpenType specification. */ + /* */ + typedef struct TT_PCLT_ + { + FT_Fixed Version; + FT_ULong FontNumber; + FT_UShort Pitch; + FT_UShort xHeight; + FT_UShort Style; + FT_UShort TypeFamily; + FT_UShort CapHeight; + FT_UShort SymbolSet; + FT_Char TypeFace[16]; + FT_Char CharacterComplement[8]; + FT_Char FileName[6]; + FT_Char StrokeWeight; + FT_Char WidthType; + FT_Byte SerifStyle; + FT_Byte Reserved; + + } TT_PCLT; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_MaxProfile */ + /* */ + /* <Description> */ + /* The maximum profile (`maxp') table contains many max values, which */ + /* can be used to pre-allocate arrays for speeding up glyph loading */ + /* and hinting. */ + /* */ + /* <Fields> */ + /* version :: The version number. */ + /* */ + /* numGlyphs :: The number of glyphs in this TrueType */ + /* font. */ + /* */ + /* maxPoints :: The maximum number of points in a */ + /* non-composite TrueType glyph. See also */ + /* `maxCompositePoints'. */ + /* */ + /* maxContours :: The maximum number of contours in a */ + /* non-composite TrueType glyph. See also */ + /* `maxCompositeContours'. */ + /* */ + /* maxCompositePoints :: The maximum number of points in a */ + /* composite TrueType glyph. See also */ + /* `maxPoints'. */ + /* */ + /* maxCompositeContours :: The maximum number of contours in a */ + /* composite TrueType glyph. See also */ + /* `maxContours'. */ + /* */ + /* maxZones :: The maximum number of zones used for */ + /* glyph hinting. */ + /* */ + /* maxTwilightPoints :: The maximum number of points in the */ + /* twilight zone used for glyph hinting. */ + /* */ + /* maxStorage :: The maximum number of elements in the */ + /* storage area used for glyph hinting. */ + /* */ + /* maxFunctionDefs :: The maximum number of function */ + /* definitions in the TrueType bytecode for */ + /* this font. */ + /* */ + /* maxInstructionDefs :: The maximum number of instruction */ + /* definitions in the TrueType bytecode for */ + /* this font. */ + /* */ + /* maxStackElements :: The maximum number of stack elements used */ + /* during bytecode interpretation. */ + /* */ + /* maxSizeOfInstructions :: The maximum number of TrueType opcodes */ + /* used for glyph hinting. */ + /* */ + /* maxComponentElements :: The maximum number of simple (i.e., non- */ + /* composite) glyphs in a composite glyph. */ + /* */ + /* maxComponentDepth :: The maximum nesting depth of composite */ + /* glyphs. */ + /* */ + /* <Note> */ + /* This structure is only used during font loading. */ + /* */ + typedef struct TT_MaxProfile_ + { + FT_Fixed version; + FT_UShort numGlyphs; + FT_UShort maxPoints; + FT_UShort maxContours; + FT_UShort maxCompositePoints; + FT_UShort maxCompositeContours; + FT_UShort maxZones; + FT_UShort maxTwilightPoints; + FT_UShort maxStorage; + FT_UShort maxFunctionDefs; + FT_UShort maxInstructionDefs; + FT_UShort maxStackElements; + FT_UShort maxSizeOfInstructions; + FT_UShort maxComponentElements; + FT_UShort maxComponentDepth; + + } TT_MaxProfile; + + + /*************************************************************************/ + /* */ + /* <Enum> */ + /* FT_Sfnt_Tag */ + /* */ + /* <Description> */ + /* An enumeration to specify indices of SFNT tables loaded and parsed */ + /* by FreeType during initialization of an SFNT font. Used in the */ + /* @FT_Get_Sfnt_Table API function. */ + /* */ + /* <Values> */ + /* FT_SFNT_HEAD :: To access the font's @TT_Header structure. */ + /* */ + /* FT_SFNT_MAXP :: To access the font's @TT_MaxProfile structure. */ + /* */ + /* FT_SFNT_OS2 :: To access the font's @TT_OS2 structure. */ + /* */ + /* FT_SFNT_HHEA :: To access the font's @TT_HoriHeader structure. */ + /* */ + /* FT_SFNT_VHEA :: To access the font's @TT_VertHeader structure. */ + /* */ + /* FT_SFNT_POST :: To access the font's @TT_Postscript structure. */ + /* */ + /* FT_SFNT_PCLT :: To access the font's @TT_PCLT structure. */ + /* */ + typedef enum FT_Sfnt_Tag_ + { + FT_SFNT_HEAD, + FT_SFNT_MAXP, + FT_SFNT_OS2, + FT_SFNT_HHEA, + FT_SFNT_VHEA, + FT_SFNT_POST, + FT_SFNT_PCLT, + + FT_SFNT_MAX + + } FT_Sfnt_Tag; + + /* these constants are deprecated; use the corresponding `FT_Sfnt_Tag' */ + /* values instead */ +#define ft_sfnt_head FT_SFNT_HEAD +#define ft_sfnt_maxp FT_SFNT_MAXP +#define ft_sfnt_os2 FT_SFNT_OS2 +#define ft_sfnt_hhea FT_SFNT_HHEA +#define ft_sfnt_vhea FT_SFNT_VHEA +#define ft_sfnt_post FT_SFNT_POST +#define ft_sfnt_pclt FT_SFNT_PCLT + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_Sfnt_Table */ + /* */ + /* <Description> */ + /* Return a pointer to a given SFNT table stored within a face. */ + /* */ + /* <Input> */ + /* face :: A handle to the source. */ + /* */ + /* tag :: The index of the SFNT table. */ + /* */ + /* <Return> */ + /* A type-less pointer to the table. This will be NULL in case of */ + /* error, or if the corresponding table was not found *OR* loaded */ + /* from the file. */ + /* */ + /* Use a typecast according to `tag' to access the structure */ + /* elements. */ + /* */ + /* <Note> */ + /* The table is owned by the face object and disappears with it. */ + /* */ + /* This function is only useful to access SFNT tables that are loaded */ + /* by the sfnt, truetype, and opentype drivers. See @FT_Sfnt_Tag for */ + /* a list. */ + /* */ + /* Here an example how to access the `vhea' table: */ + /* */ + /* { */ + /* TT_VertHeader* vert_header; */ + /* */ + /* */ + /* vert_header = */ + /* (TT_VertHeader*)FT_Get_Sfnt_Table( face, FT_SFNT_VHEA ); */ + /* } */ + /* */ + FT_EXPORT( void* ) + FT_Get_Sfnt_Table( FT_Face face, + FT_Sfnt_Tag tag ); + + + /************************************************************************** + * + * @function: + * FT_Load_Sfnt_Table + * + * @description: + * Load any SFNT font table into client memory. + * + * @input: + * face :: + * A handle to the source face. + * + * tag :: + * The four-byte tag of the table to load. Use value~0 if you want + * to access the whole font file. Otherwise, you can use one of the + * definitions found in the @FT_TRUETYPE_TAGS_H file, or forge a new + * one with @FT_MAKE_TAG. + * + * offset :: + * The starting offset in the table (or file if tag~==~0). + * + * @output: + * buffer :: + * The target buffer address. The client must ensure that the memory + * array is big enough to hold the data. + * + * @inout: + * length :: + * If the `length' parameter is NULL, try to load the whole table. + * Return an error code if it fails. + * + * Else, if `*length' is~0, exit immediately while returning the + * table's (or file) full size in it. + * + * Else the number of bytes to read from the table or file, from the + * starting offset. + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * If you need to determine the table's length you should first call this + * function with `*length' set to~0, as in the following example: + * + * { + * FT_ULong length = 0; + * + * + * error = FT_Load_Sfnt_Table( face, tag, 0, NULL, &length ); + * if ( error ) { ... table does not exist ... } + * + * buffer = malloc( length ); + * if ( buffer == NULL ) { ... not enough memory ... } + * + * error = FT_Load_Sfnt_Table( face, tag, 0, buffer, &length ); + * if ( error ) { ... could not load table ... } + * } + * + * Note that structures like @TT_Header or @TT_OS2 can't be used with + * this function; they are limited to @FT_Get_Sfnt_Table. Reason is that + * those structures depend on the processor architecture, with varying + * size (e.g. 32bit vs. 64bit) or order (big endian vs. little endian). + * + */ + FT_EXPORT( FT_Error ) + FT_Load_Sfnt_Table( FT_Face face, + FT_ULong tag, + FT_Long offset, + FT_Byte* buffer, + FT_ULong* length ); + + + /************************************************************************** + * + * @function: + * FT_Sfnt_Table_Info + * + * @description: + * Return information on an SFNT table. + * + * @input: + * face :: + * A handle to the source face. + * + * table_index :: + * The index of an SFNT table. The function returns + * FT_Err_Table_Missing for an invalid value. + * + * @inout: + * tag :: + * The name tag of the SFNT table. If the value is NULL, `table_index' + * is ignored, and `length' returns the number of SFNT tables in the + * font. + * + * @output: + * length :: + * The length of the SFNT table (or the number of SFNT tables, depending + * on `tag'). + * + * @return: + * FreeType error code. 0~means success. + * + * @note: + * While parsing fonts, FreeType handles SFNT tables with length zero as + * missing. + * + */ + FT_EXPORT( FT_Error ) + FT_Sfnt_Table_Info( FT_Face face, + FT_UInt table_index, + FT_ULong *tag, + FT_ULong *length ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_CMap_Language_ID */ + /* */ + /* <Description> */ + /* Return cmap language ID as specified in the OpenType standard. */ + /* Definitions of language ID values are in file @FT_TRUETYPE_IDS_H. */ + /* */ + /* <Input> */ + /* charmap :: */ + /* The target charmap. */ + /* */ + /* <Return> */ + /* The language ID of `charmap'. If `charmap' doesn't belong to an */ + /* SFNT face, just return~0 as the default value. */ + /* */ + /* For a format~14 cmap (to access Unicode IVS), the return value is */ + /* 0xFFFFFFFF. */ + /* */ + FT_EXPORT( FT_ULong ) + FT_Get_CMap_Language_ID( FT_CharMap charmap ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Get_CMap_Format */ + /* */ + /* <Description> */ + /* Return the format of an SFNT `cmap' table. */ + /* */ + /* <Input> */ + /* charmap :: */ + /* The target charmap. */ + /* */ + /* <Return> */ + /* The format of `charmap'. If `charmap' doesn't belong to an SFNT */ + /* face, return -1. */ + /* */ + FT_EXPORT( FT_Long ) + FT_Get_CMap_Format( FT_CharMap charmap ); + + /* */ + + +FT_END_HEADER + +#endif /* TTTABLES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/freetype/tttags.h b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/tttags.h new file mode 100644 index 00000000000..e5cee68a159 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/freetype/tttags.h @@ -0,0 +1,121 @@ +/***************************************************************************/ +/* */ +/* tttags.h */ +/* */ +/* Tags for TrueType and OpenType tables (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTAGS_H_ +#define TTAGS_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + +#define TTAG_avar FT_MAKE_TAG( 'a', 'v', 'a', 'r' ) +#define TTAG_BASE FT_MAKE_TAG( 'B', 'A', 'S', 'E' ) +#define TTAG_bdat FT_MAKE_TAG( 'b', 'd', 'a', 't' ) +#define TTAG_BDF FT_MAKE_TAG( 'B', 'D', 'F', ' ' ) +#define TTAG_bhed FT_MAKE_TAG( 'b', 'h', 'e', 'd' ) +#define TTAG_bloc FT_MAKE_TAG( 'b', 'l', 'o', 'c' ) +#define TTAG_bsln FT_MAKE_TAG( 'b', 's', 'l', 'n' ) +#define TTAG_CBDT FT_MAKE_TAG( 'C', 'B', 'D', 'T' ) +#define TTAG_CBLC FT_MAKE_TAG( 'C', 'B', 'L', 'C' ) +#define TTAG_CFF FT_MAKE_TAG( 'C', 'F', 'F', ' ' ) +#define TTAG_CFF2 FT_MAKE_TAG( 'C', 'F', 'F', '2' ) +#define TTAG_CID FT_MAKE_TAG( 'C', 'I', 'D', ' ' ) +#define TTAG_cmap FT_MAKE_TAG( 'c', 'm', 'a', 'p' ) +#define TTAG_cvar FT_MAKE_TAG( 'c', 'v', 'a', 'r' ) +#define TTAG_cvt FT_MAKE_TAG( 'c', 'v', 't', ' ' ) +#define TTAG_DSIG FT_MAKE_TAG( 'D', 'S', 'I', 'G' ) +#define TTAG_EBDT FT_MAKE_TAG( 'E', 'B', 'D', 'T' ) +#define TTAG_EBLC FT_MAKE_TAG( 'E', 'B', 'L', 'C' ) +#define TTAG_EBSC FT_MAKE_TAG( 'E', 'B', 'S', 'C' ) +#define TTAG_feat FT_MAKE_TAG( 'f', 'e', 'a', 't' ) +#define TTAG_FOND FT_MAKE_TAG( 'F', 'O', 'N', 'D' ) +#define TTAG_fpgm FT_MAKE_TAG( 'f', 'p', 'g', 'm' ) +#define TTAG_fvar FT_MAKE_TAG( 'f', 'v', 'a', 'r' ) +#define TTAG_gasp FT_MAKE_TAG( 'g', 'a', 's', 'p' ) +#define TTAG_GDEF FT_MAKE_TAG( 'G', 'D', 'E', 'F' ) +#define TTAG_glyf FT_MAKE_TAG( 'g', 'l', 'y', 'f' ) +#define TTAG_GPOS FT_MAKE_TAG( 'G', 'P', 'O', 'S' ) +#define TTAG_GSUB FT_MAKE_TAG( 'G', 'S', 'U', 'B' ) +#define TTAG_gvar FT_MAKE_TAG( 'g', 'v', 'a', 'r' ) +#define TTAG_HVAR FT_MAKE_TAG( 'H', 'V', 'A', 'R' ) +#define TTAG_hdmx FT_MAKE_TAG( 'h', 'd', 'm', 'x' ) +#define TTAG_head FT_MAKE_TAG( 'h', 'e', 'a', 'd' ) +#define TTAG_hhea FT_MAKE_TAG( 'h', 'h', 'e', 'a' ) +#define TTAG_hmtx FT_MAKE_TAG( 'h', 'm', 't', 'x' ) +#define TTAG_JSTF FT_MAKE_TAG( 'J', 'S', 'T', 'F' ) +#define TTAG_just FT_MAKE_TAG( 'j', 'u', 's', 't' ) +#define TTAG_kern FT_MAKE_TAG( 'k', 'e', 'r', 'n' ) +#define TTAG_lcar FT_MAKE_TAG( 'l', 'c', 'a', 'r' ) +#define TTAG_loca FT_MAKE_TAG( 'l', 'o', 'c', 'a' ) +#define TTAG_LTSH FT_MAKE_TAG( 'L', 'T', 'S', 'H' ) +#define TTAG_LWFN FT_MAKE_TAG( 'L', 'W', 'F', 'N' ) +#define TTAG_MATH FT_MAKE_TAG( 'M', 'A', 'T', 'H' ) +#define TTAG_maxp FT_MAKE_TAG( 'm', 'a', 'x', 'p' ) +#define TTAG_META FT_MAKE_TAG( 'M', 'E', 'T', 'A' ) +#define TTAG_MMFX FT_MAKE_TAG( 'M', 'M', 'F', 'X' ) +#define TTAG_MMSD FT_MAKE_TAG( 'M', 'M', 'S', 'D' ) +#define TTAG_mort FT_MAKE_TAG( 'm', 'o', 'r', 't' ) +#define TTAG_morx FT_MAKE_TAG( 'm', 'o', 'r', 'x' ) +#define TTAG_MVAR FT_MAKE_TAG( 'M', 'V', 'A', 'R' ) +#define TTAG_name FT_MAKE_TAG( 'n', 'a', 'm', 'e' ) +#define TTAG_opbd FT_MAKE_TAG( 'o', 'p', 'b', 'd' ) +#define TTAG_OS2 FT_MAKE_TAG( 'O', 'S', '/', '2' ) +#define TTAG_OTTO FT_MAKE_TAG( 'O', 'T', 'T', 'O' ) +#define TTAG_PCLT FT_MAKE_TAG( 'P', 'C', 'L', 'T' ) +#define TTAG_POST FT_MAKE_TAG( 'P', 'O', 'S', 'T' ) +#define TTAG_post FT_MAKE_TAG( 'p', 'o', 's', 't' ) +#define TTAG_prep FT_MAKE_TAG( 'p', 'r', 'e', 'p' ) +#define TTAG_prop FT_MAKE_TAG( 'p', 'r', 'o', 'p' ) +#define TTAG_sbix FT_MAKE_TAG( 's', 'b', 'i', 'x' ) +#define TTAG_sfnt FT_MAKE_TAG( 's', 'f', 'n', 't' ) +#define TTAG_SING FT_MAKE_TAG( 'S', 'I', 'N', 'G' ) +#define TTAG_trak FT_MAKE_TAG( 't', 'r', 'a', 'k' ) +#define TTAG_true FT_MAKE_TAG( 't', 'r', 'u', 'e' ) +#define TTAG_ttc FT_MAKE_TAG( 't', 't', 'c', ' ' ) +#define TTAG_ttcf FT_MAKE_TAG( 't', 't', 'c', 'f' ) +#define TTAG_TYP1 FT_MAKE_TAG( 'T', 'Y', 'P', '1' ) +#define TTAG_typ1 FT_MAKE_TAG( 't', 'y', 'p', '1' ) +#define TTAG_VDMX FT_MAKE_TAG( 'V', 'D', 'M', 'X' ) +#define TTAG_vhea FT_MAKE_TAG( 'v', 'h', 'e', 'a' ) +#define TTAG_vmtx FT_MAKE_TAG( 'v', 'm', 't', 'x' ) +#define TTAG_VVAR FT_MAKE_TAG( 'V', 'V', 'A', 'R' ) +#define TTAG_wOFF FT_MAKE_TAG( 'w', 'O', 'F', 'F' ) + +/* used by "Keyboard.dfont" on legacy Mac OS X */ +#define TTAG_0xA5kbd FT_MAKE_TAG( 0xA5, 'k', 'b', 'd' ) + +/* used by "LastResort.dfont" on legacy Mac OS X */ +#define TTAG_0xA5lst FT_MAKE_TAG( 0xA5, 'l', 's', 't' ) + + +FT_END_HEADER + +#endif /* TTAGS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/include/ft2build.h b/jdk/src/share/native/sun/awt/libfreetype/include/ft2build.h new file mode 100644 index 00000000000..e7ce99bc946 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/include/ft2build.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* ft2build.h */ +/* */ +/* FreeType 2 build and setup macros. */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This is the `entry point' for FreeType header file inclusions. It is */ + /* the only header file which should be included directly; all other */ + /* FreeType header files should be accessed with macro names (after */ + /* including `ft2build.h'). */ + /* */ + /* A typical example is */ + /* */ + /* #include <ft2build.h> */ + /* #include FT_FREETYPE_H */ + /* */ + /*************************************************************************/ + + +#ifndef FT2BUILD_H_ +#define FT2BUILD_H_ + +#include <freetype/config/ftheader.h> + +#endif /* FT2BUILD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afangles.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afangles.c new file mode 100644 index 00000000000..c65a3ae23e9 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afangles.c @@ -0,0 +1,285 @@ +/***************************************************************************/ +/* */ +/* afangles.c */ +/* */ +/* Routines used to compute vector angles with limited accuracy */ +/* and very high speed. It also contains sorting routines (body). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "aftypes.h" + + + /* + * We are not using `af_angle_atan' anymore, but we keep the source + * code below just in case... + */ + + +#if 0 + + + /* + * The trick here is to realize that we don't need a very accurate angle + * approximation. We are going to use the result of `af_angle_atan' to + * only compare the sign of angle differences, or check whether its + * magnitude is very small. + * + * The approximation + * + * dy * PI / (|dx|+|dy|) + * + * should be enough, and much faster to compute. + */ + FT_LOCAL_DEF( AF_Angle ) + af_angle_atan( FT_Fixed dx, + FT_Fixed dy ) + { + AF_Angle angle; + FT_Fixed ax = dx; + FT_Fixed ay = dy; + + + if ( ax < 0 ) + ax = -ax; + if ( ay < 0 ) + ay = -ay; + + ax += ay; + + if ( ax == 0 ) + angle = 0; + else + { + angle = ( AF_ANGLE_PI2 * dy ) / ( ax + ay ); + if ( dx < 0 ) + { + if ( angle >= 0 ) + angle = AF_ANGLE_PI - angle; + else + angle = -AF_ANGLE_PI - angle; + } + } + + return angle; + } + + +#elif 0 + + + /* the following table has been automatically generated with */ + /* the `mather.py' Python script */ + +#define AF_ATAN_BITS 8 + + static const FT_Byte af_arctan[1L << AF_ATAN_BITS] = + { + 0, 0, 1, 1, 1, 2, 2, 2, + 3, 3, 3, 3, 4, 4, 4, 5, + 5, 5, 6, 6, 6, 7, 7, 7, + 8, 8, 8, 9, 9, 9, 10, 10, + 10, 10, 11, 11, 11, 12, 12, 12, + 13, 13, 13, 14, 14, 14, 14, 15, + 15, 15, 16, 16, 16, 17, 17, 17, + 18, 18, 18, 18, 19, 19, 19, 20, + 20, 20, 21, 21, 21, 21, 22, 22, + 22, 23, 23, 23, 24, 24, 24, 24, + 25, 25, 25, 26, 26, 26, 26, 27, + 27, 27, 28, 28, 28, 28, 29, 29, + 29, 30, 30, 30, 30, 31, 31, 31, + 31, 32, 32, 32, 33, 33, 33, 33, + 34, 34, 34, 34, 35, 35, 35, 35, + 36, 36, 36, 36, 37, 37, 37, 38, + 38, 38, 38, 39, 39, 39, 39, 40, + 40, 40, 40, 41, 41, 41, 41, 42, + 42, 42, 42, 42, 43, 43, 43, 43, + 44, 44, 44, 44, 45, 45, 45, 45, + 46, 46, 46, 46, 46, 47, 47, 47, + 47, 48, 48, 48, 48, 48, 49, 49, + 49, 49, 50, 50, 50, 50, 50, 51, + 51, 51, 51, 51, 52, 52, 52, 52, + 52, 53, 53, 53, 53, 53, 54, 54, + 54, 54, 54, 55, 55, 55, 55, 55, + 56, 56, 56, 56, 56, 57, 57, 57, + 57, 57, 57, 58, 58, 58, 58, 58, + 59, 59, 59, 59, 59, 59, 60, 60, + 60, 60, 60, 61, 61, 61, 61, 61, + 61, 62, 62, 62, 62, 62, 62, 63, + 63, 63, 63, 63, 63, 64, 64, 64 + }; + + + FT_LOCAL_DEF( AF_Angle ) + af_angle_atan( FT_Fixed dx, + FT_Fixed dy ) + { + AF_Angle angle; + + + /* check trivial cases */ + if ( dy == 0 ) + { + angle = 0; + if ( dx < 0 ) + angle = AF_ANGLE_PI; + return angle; + } + else if ( dx == 0 ) + { + angle = AF_ANGLE_PI2; + if ( dy < 0 ) + angle = -AF_ANGLE_PI2; + return angle; + } + + angle = 0; + if ( dx < 0 ) + { + dx = -dx; + dy = -dy; + angle = AF_ANGLE_PI; + } + + if ( dy < 0 ) + { + FT_Pos tmp; + + + tmp = dx; + dx = -dy; + dy = tmp; + angle -= AF_ANGLE_PI2; + } + + if ( dx == 0 && dy == 0 ) + return 0; + + if ( dx == dy ) + angle += AF_ANGLE_PI4; + else if ( dx > dy ) + angle += af_arctan[FT_DivFix( dy, dx ) >> ( 16 - AF_ATAN_BITS )]; + else + angle += AF_ANGLE_PI2 - + af_arctan[FT_DivFix( dx, dy ) >> ( 16 - AF_ATAN_BITS )]; + + if ( angle > AF_ANGLE_PI ) + angle -= AF_ANGLE_2PI; + + return angle; + } + + +#endif /* 0 */ + + + FT_LOCAL_DEF( void ) + af_sort_pos( FT_UInt count, + FT_Pos* table ) + { + FT_UInt i, j; + FT_Pos swap; + + + for ( i = 1; i < count; i++ ) + { + for ( j = i; j > 0; j-- ) + { + if ( table[j] >= table[j - 1] ) + break; + + swap = table[j]; + table[j] = table[j - 1]; + table[j - 1] = swap; + } + } + } + + + FT_LOCAL_DEF( void ) + af_sort_and_quantize_widths( FT_UInt* count, + AF_Width table, + FT_Pos threshold ) + { + FT_UInt i, j; + FT_UInt cur_idx; + FT_Pos cur_val; + FT_Pos sum; + AF_WidthRec swap; + + + if ( *count == 1 ) + return; + + /* sort */ + for ( i = 1; i < *count; i++ ) + { + for ( j = i; j > 0; j-- ) + { + if ( table[j].org >= table[j - 1].org ) + break; + + swap = table[j]; + table[j] = table[j - 1]; + table[j - 1] = swap; + } + } + + cur_idx = 0; + cur_val = table[cur_idx].org; + + /* compute and use mean values for clusters not larger than */ + /* `threshold'; this is very primitive and might not yield */ + /* the best result, but normally, using reference character */ + /* `o', `*count' is 2, so the code below is fully sufficient */ + for ( i = 1; i < *count; i++ ) + { + if ( table[i].org - cur_val > threshold || + i == *count - 1 ) + { + sum = 0; + + /* fix loop for end of array */ + if ( table[i].org - cur_val <= threshold && + i == *count - 1 ) + i++; + + for ( j = cur_idx; j < i; j++ ) + { + sum += table[j].org; + table[j].org = 0; + } + table[cur_idx].org = sum / (FT_Pos)j; + + if ( i < *count - 1 ) + { + cur_idx = i + 1; + cur_val = table[cur_idx].org; + } + } + } + + cur_idx = 1; + + /* compress array to remove zero values */ + for ( i = 1; i < *count; i++ ) + { + if ( table[i].org ) + table[cur_idx++] = table[i]; + } + + *count = cur_idx; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afangles.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afangles.h new file mode 100644 index 00000000000..f33f9e108e3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afangles.h @@ -0,0 +1,7 @@ +/* + * afangles.h + * + * This is a dummy file, used to please the build system. It is never + * included by the auto-fitter sources. + * + */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.c new file mode 100644 index 00000000000..61ab7957f0c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.c @@ -0,0 +1,733 @@ +/* This file has been generated by the Perl script `afblue.pl', */ +/* using data from file `afblue.dat'. */ + +/***************************************************************************/ +/* */ +/* afblue.c */ +/* */ +/* Auto-fitter data for blue strings (body). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "aftypes.h" + + + FT_LOCAL_ARRAY_DEF( char ) + af_blue_strings[] = + { + /* */ + '\xF0', '\x9E', '\xA4', '\x8C', ' ', '\xF0', '\x9E', '\xA4', '\x85', ' ', '\xF0', '\x9E', '\xA4', '\x88', ' ', '\xF0', '\x9E', '\xA4', '\x8F', ' ', '\xF0', '\x9E', '\xA4', '\x94', ' ', '\xF0', '\x9E', '\xA4', '\x9A', /* 𞤌 𞤅 𞤈 𞤏 𞤔 𞤚 */ + '\0', + '\xF0', '\x9E', '\xA4', '\x82', ' ', '\xF0', '\x9E', '\xA4', '\x96', /* 𞤂 𞤖 */ + '\0', + '\xF0', '\x9E', '\xA4', '\xAC', ' ', '\xF0', '\x9E', '\xA4', '\xAE', ' ', '\xF0', '\x9E', '\xA4', '\xBB', ' ', '\xF0', '\x9E', '\xA4', '\xBC', ' ', '\xF0', '\x9E', '\xA4', '\xBE', /* 𞤬 𞤮 𞤻 𞤼 𞤾 */ + '\0', + '\xF0', '\x9E', '\xA4', '\xA4', ' ', '\xF0', '\x9E', '\xA4', '\xA8', ' ', '\xF0', '\x9E', '\xA4', '\xA9', ' ', '\xF0', '\x9E', '\xA4', '\xAD', ' ', '\xF0', '\x9E', '\xA4', '\xB4', ' ', '\xF0', '\x9E', '\xA4', '\xB8', ' ', '\xF0', '\x9E', '\xA4', '\xBA', ' ', '\xF0', '\x9E', '\xA5', '\x80', /* 𞤤 𞤨 𞤩 𞤭 𞤴 𞤸 𞤺 𞥀 */ + '\0', + '\xD8', '\xA7', ' ', '\xD8', '\xA5', ' ', '\xD9', '\x84', ' ', '\xD9', '\x83', ' ', '\xD8', '\xB7', ' ', '\xD8', '\xB8', /* ا إ ل ك ط ظ */ + '\0', + '\xD8', '\xAA', ' ', '\xD8', '\xAB', ' ', '\xD8', '\xB7', ' ', '\xD8', '\xB8', ' ', '\xD9', '\x83', /* ت ث ط ظ ك */ + '\0', + '\xD9', '\x80', /* ـ */ + '\0', + '\xD4', '\xB1', ' ', '\xD5', '\x84', ' ', '\xD5', '\x92', ' ', '\xD5', '\x8D', ' ', '\xD4', '\xB2', ' ', '\xD4', '\xB3', ' ', '\xD4', '\xB4', ' ', '\xD5', '\x95', /* Ա Մ Ւ Ս Բ Գ Դ Օ */ + '\0', + '\xD5', '\x92', ' ', '\xD5', '\x88', ' ', '\xD4', '\xB4', ' ', '\xD5', '\x83', ' ', '\xD5', '\x87', ' ', '\xD5', '\x8D', ' ', '\xD5', '\x8F', ' ', '\xD5', '\x95', /* Ւ Ո Դ Ճ Շ Ս Տ Օ */ + '\0', + '\xD5', '\xA5', ' ', '\xD5', '\xA7', ' ', '\xD5', '\xAB', ' ', '\xD5', '\xB4', ' ', '\xD5', '\xBE', ' ', '\xD6', '\x86', ' ', '\xD5', '\xB3', /* ե է ի մ վ ֆ ճ */ + '\0', + '\xD5', '\xA1', ' ', '\xD5', '\xB5', ' ', '\xD6', '\x82', ' ', '\xD5', '\xBD', ' ', '\xD5', '\xA3', ' ', '\xD5', '\xB7', ' ', '\xD6', '\x80', ' ', '\xD6', '\x85', /* ա յ ւ ս գ շ ր օ */ + '\0', + '\xD5', '\xB0', ' ', '\xD5', '\xB8', ' ', '\xD5', '\xB3', ' ', '\xD5', '\xA1', ' ', '\xD5', '\xA5', ' ', '\xD5', '\xAE', ' ', '\xD5', '\xBD', ' ', '\xD6', '\x85', /* հ ո ճ ա ե ծ ս օ */ + '\0', + '\xD5', '\xA2', ' ', '\xD5', '\xA8', ' ', '\xD5', '\xAB', ' ', '\xD5', '\xAC', ' ', '\xD5', '\xB2', ' ', '\xD5', '\xBA', ' ', '\xD6', '\x83', ' ', '\xD6', '\x81', /* բ ը ի լ ղ պ փ ց */ + '\0', + '\xF0', '\x90', '\xAC', '\x80', ' ', '\xF0', '\x90', '\xAC', '\x81', ' ', '\xF0', '\x90', '\xAC', '\x90', ' ', '\xF0', '\x90', '\xAC', '\x9B', /* 𐬀 𐬁 𐬐 𐬛 */ + '\0', + '\xF0', '\x90', '\xAC', '\x80', ' ', '\xF0', '\x90', '\xAC', '\x81', /* 𐬀 𐬁 */ + '\0', + '\xEA', '\x9A', '\xA7', ' ', '\xEA', '\x9A', '\xA8', ' ', '\xEA', '\x9B', '\x9B', ' ', '\xEA', '\x9B', '\x89', ' ', '\xEA', '\x9B', '\x81', ' ', '\xEA', '\x9B', '\x88', ' ', '\xEA', '\x9B', '\xAB', ' ', '\xEA', '\x9B', '\xAF', /* ꚧ ꚨ ꛛ ꛉ ꛁ ꛈ ꛫ ꛯ */ + '\0', + '\xEA', '\x9A', '\xAD', ' ', '\xEA', '\x9A', '\xB3', ' ', '\xEA', '\x9A', '\xB6', ' ', '\xEA', '\x9B', '\xAC', ' ', '\xEA', '\x9A', '\xA2', ' ', '\xEA', '\x9A', '\xBD', ' ', '\xEA', '\x9B', '\xAF', ' ', '\xEA', '\x9B', '\xB2', /* ꚭ ꚳ ꚶ ꛬ ꚢ ꚽ ꛯ ꛲ */ + '\0', + '\xE0', '\xA6', '\x85', ' ', '\xE0', '\xA6', '\xA1', ' ', '\xE0', '\xA6', '\xA4', ' ', '\xE0', '\xA6', '\xA8', ' ', '\xE0', '\xA6', '\xAC', ' ', '\xE0', '\xA6', '\xAD', ' ', '\xE0', '\xA6', '\xB2', ' ', '\xE0', '\xA6', '\x95', /* অ ড ত ন ব ভ ল ক */ + '\0', + '\xE0', '\xA6', '\x87', ' ', '\xE0', '\xA6', '\x9F', ' ', '\xE0', '\xA6', '\xA0', ' ', '\xE0', '\xA6', '\xBF', ' ', '\xE0', '\xA7', '\x80', ' ', '\xE0', '\xA7', '\x88', ' ', '\xE0', '\xA7', '\x97', /* ই ট ঠ ি ী ৈ ৗ */ + '\0', + '\xE0', '\xA6', '\x93', ' ', '\xE0', '\xA6', '\x8F', ' ', '\xE0', '\xA6', '\xA1', ' ', '\xE0', '\xA6', '\xA4', ' ', '\xE0', '\xA6', '\xA8', ' ', '\xE0', '\xA6', '\xAC', ' ', '\xE0', '\xA6', '\xB2', ' ', '\xE0', '\xA6', '\x95', /* ও এ ড ত ন ব ল ক */ + '\0', + '\xE1', '\x9D', '\x90', ' ', '\xE1', '\x9D', '\x88', /* ᝐ ᝈ */ + '\0', + '\xE1', '\x9D', '\x85', ' ', '\xE1', '\x9D', '\x8A', ' ', '\xE1', '\x9D', '\x8E', /* ᝅ ᝊ ᝎ */ + '\0', + '\xE1', '\x9D', '\x82', ' ', '\xE1', '\x9D', '\x83', ' ', '\xE1', '\x9D', '\x89', ' ', '\xE1', '\x9D', '\x8C', /* ᝂ ᝃ ᝉ ᝌ */ + '\0', + '\xE1', '\x9D', '\x80', ' ', '\xE1', '\x9D', '\x83', ' ', '\xE1', '\x9D', '\x86', ' ', '\xE1', '\x9D', '\x89', ' ', '\xE1', '\x9D', '\x8B', ' ', '\xE1', '\x9D', '\x8F', ' ', '\xE1', '\x9D', '\x91', /* ᝀ ᝃ ᝆ ᝉ ᝋ ᝏ ᝑ */ + '\0', + '\xE1', '\x97', '\x9C', ' ', '\xE1', '\x96', '\xB4', ' ', '\xE1', '\x90', '\x81', ' ', '\xE1', '\x92', '\xA3', ' ', '\xE1', '\x91', '\xAB', ' ', '\xE1', '\x91', '\x8E', ' ', '\xE1', '\x94', '\x91', ' ', '\xE1', '\x97', '\xB0', /* ᗜ ᖴ ᐁ ᒣ ᑫ ᑎ ᔑ ᗰ */ + '\0', + '\xE1', '\x97', '\xB6', ' ', '\xE1', '\x96', '\xB5', ' ', '\xE1', '\x92', '\xA7', ' ', '\xE1', '\x90', '\x83', ' ', '\xE1', '\x91', '\x8C', ' ', '\xE1', '\x92', '\x8D', ' ', '\xE1', '\x94', '\x91', ' ', '\xE1', '\x97', '\xA2', /* ᗶ ᖵ ᒧ ᐃ ᑌ ᒍ ᔑ ᗢ */ + '\0', + '\xE1', '\x93', '\x93', ' ', '\xE1', '\x93', '\x95', ' ', '\xE1', '\x93', '\x80', ' ', '\xE1', '\x93', '\x82', ' ', '\xE1', '\x93', '\x84', ' ', '\xE1', '\x95', '\x84', ' ', '\xE1', '\x95', '\x86', ' ', '\xE1', '\x98', '\xA3', /* ᓓ ᓕ ᓀ ᓂ ᓄ ᕄ ᕆ ᘣ */ + '\0', + '\xE1', '\x95', '\x83', ' ', '\xE1', '\x93', '\x82', ' ', '\xE1', '\x93', '\x80', ' ', '\xE1', '\x95', '\x82', ' ', '\xE1', '\x93', '\x97', ' ', '\xE1', '\x93', '\x9A', ' ', '\xE1', '\x95', '\x86', ' ', '\xE1', '\x98', '\xA3', /* ᕃ ᓂ ᓀ ᕂ ᓗ ᓚ ᕆ ᘣ */ + '\0', + '\xE1', '\x90', '\xAA', ' ', '\xE1', '\x99', '\x86', ' ', '\xE1', '\xA3', '\x98', ' ', '\xE1', '\x90', '\xA2', ' ', '\xE1', '\x92', '\xBE', ' ', '\xE1', '\xA3', '\x97', ' ', '\xE1', '\x94', '\x86', /* ᐪ ᙆ ᣘ ᐢ ᒾ ᣗ ᔆ */ + '\0', + '\xE1', '\x99', '\x86', ' ', '\xE1', '\x97', '\xAE', ' ', '\xE1', '\x92', '\xBB', ' ', '\xE1', '\x90', '\x9E', ' ', '\xE1', '\x94', '\x86', ' ', '\xE1', '\x92', '\xA1', ' ', '\xE1', '\x92', '\xA2', ' ', '\xE1', '\x93', '\x91', /* ᙆ ᗮ ᒻ ᐞ ᔆ ᒡ ᒢ ᓑ */ + '\0', + '\xF0', '\x90', '\x8A', '\xA7', ' ', '\xF0', '\x90', '\x8A', '\xAB', ' ', '\xF0', '\x90', '\x8A', '\xAC', ' ', '\xF0', '\x90', '\x8A', '\xAD', ' ', '\xF0', '\x90', '\x8A', '\xB1', ' ', '\xF0', '\x90', '\x8A', '\xBA', ' ', '\xF0', '\x90', '\x8A', '\xBC', ' ', '\xF0', '\x90', '\x8A', '\xBF', /* 𐊧 𐊫 𐊬 𐊭 𐊱 𐊺 𐊼 𐊿 */ + '\0', + '\xF0', '\x90', '\x8A', '\xA3', ' ', '\xF0', '\x90', '\x8A', '\xA7', ' ', '\xF0', '\x90', '\x8A', '\xB7', ' ', '\xF0', '\x90', '\x8B', '\x80', ' ', '\xF0', '\x90', '\x8A', '\xAB', ' ', '\xF0', '\x90', '\x8A', '\xB8', ' ', '\xF0', '\x90', '\x8B', '\x89', /* 𐊣 𐊧 𐊷 𐋀 𐊫 𐊸 𐋉 */ + '\0', + '\xF0', '\x91', '\x84', '\x83', ' ', '\xF0', '\x91', '\x84', '\x85', ' ', '\xF0', '\x91', '\x84', '\x89', ' ', '\xF0', '\x91', '\x84', '\x99', ' ', '\xF0', '\x91', '\x84', '\x97', /* 𑄃 𑄅 𑄉 𑄙 𑄗 */ + '\0', + '\xF0', '\x91', '\x84', '\x85', ' ', '\xF0', '\x91', '\x84', '\x9B', ' ', '\xF0', '\x91', '\x84', '\x9D', ' ', '\xF0', '\x91', '\x84', '\x97', ' ', '\xF0', '\x91', '\x84', '\x93', /* 𑄅 𑄛 𑄝 𑄗 𑄓 */ + '\0', + '\xF0', '\x91', '\x84', '\x96', '\xF0', '\x91', '\x84', '\xB3', '\xF0', '\x91', '\x84', '\xA2', ' ', '\xF0', '\x91', '\x84', '\x98', '\xF0', '\x91', '\x84', '\xB3', '\xF0', '\x91', '\x84', '\xA2', ' ', '\xF0', '\x91', '\x84', '\x99', '\xF0', '\x91', '\x84', '\xB3', '\xF0', '\x91', '\x84', '\xA2', ' ', '\xF0', '\x91', '\x84', '\xA4', '\xF0', '\x91', '\x84', '\xB3', '\xF0', '\x91', '\x84', '\xA2', ' ', '\xF0', '\x91', '\x84', '\xA5', '\xF0', '\x91', '\x84', '\xB3', '\xF0', '\x91', '\x84', '\xA2', /* 𑄖𑄳𑄢 𑄘𑄳𑄢 𑄙𑄳𑄢 𑄤𑄳𑄢 𑄥𑄳𑄢 */ + '\0', + '\xE1', '\x8F', '\x86', ' ', '\xE1', '\x8E', '\xBB', ' ', '\xE1', '\x8E', '\xAC', ' ', '\xE1', '\x8F', '\x83', ' ', '\xE1', '\x8E', '\xA4', ' ', '\xE1', '\x8F', '\xA3', ' ', '\xE1', '\x8E', '\xA6', ' ', '\xE1', '\x8F', '\x95', /* Ꮖ Ꮋ Ꭼ Ꮓ Ꭴ Ꮳ Ꭶ Ꮥ */ + '\0', + '\xEA', '\xAE', '\x92', ' ', '\xEA', '\xAE', '\xA4', ' ', '\xEA', '\xAE', '\xB6', ' ', '\xEA', '\xAD', '\xB4', ' ', '\xEA', '\xAD', '\xBE', ' ', '\xEA', '\xAE', '\x97', ' ', '\xEA', '\xAE', '\x9D', ' ', '\xEA', '\xAE', '\xBF', /* ꮒ ꮤ ꮶ ꭴ ꭾ ꮗ ꮝ ꮿ */ + '\0', + '\xEA', '\xAE', '\x96', ' ', '\xEA', '\xAD', '\xBC', ' ', '\xEA', '\xAE', '\x93', ' ', '\xEA', '\xAE', '\xA0', ' ', '\xEA', '\xAE', '\xB3', ' ', '\xEA', '\xAD', '\xB6', ' ', '\xEA', '\xAE', '\xA5', ' ', '\xEA', '\xAE', '\xBB', /* ꮖ ꭼ ꮓ ꮠ ꮳ ꭶ ꮥ ꮻ */ + '\0', + '\xE1', '\x8F', '\xB8', ' ', '\xEA', '\xAE', '\x90', ' ', '\xEA', '\xAD', '\xB9', ' ', '\xEA', '\xAD', '\xBB', /* ᏸ ꮐ ꭹ ꭻ */ + '\0', + '\xE2', '\xB2', '\x8C', ' ', '\xE2', '\xB2', '\x8E', ' ', '\xE2', '\xB2', '\xA0', ' ', '\xE2', '\xB3', '\x9E', ' ', '\xE2', '\xB2', '\x9E', ' ', '\xE2', '\xB2', '\x90', ' ', '\xE2', '\xB2', '\xA4', ' ', '\xE2', '\xB3', '\x8A', /* Ⲍ Ⲏ Ⲡ Ⳟ Ⲟ Ⲑ Ⲥ Ⳋ */ + '\0', + '\xE2', '\xB3', '\x90', ' ', '\xE2', '\xB3', '\x98', ' ', '\xE2', '\xB3', '\x9E', ' ', '\xE2', '\xB2', '\x8E', ' ', '\xE2', '\xB2', '\x9E', ' ', '\xE2', '\xB2', '\x90', ' ', '\xE2', '\xB3', '\x9C', ' ', '\xE2', '\xB2', '\xB0', /* Ⳑ Ⳙ Ⳟ Ⲏ Ⲟ Ⲑ Ⳝ Ⲱ */ + '\0', + '\xE2', '\xB2', '\x8D', ' ', '\xE2', '\xB2', '\x8F', ' ', '\xE2', '\xB2', '\xA1', ' ', '\xE2', '\xB3', '\x9F', ' ', '\xE2', '\xB2', '\x9F', ' ', '\xE2', '\xB2', '\x91', ' ', '\xE2', '\xB2', '\xA5', ' ', '\xE2', '\xB3', '\x8B', /* ⲍ ⲏ ⲡ ⳟ ⲟ ⲑ ⲥ ⳋ */ + '\0', + '\xE2', '\xB3', '\x91', ' ', '\xE2', '\xB3', '\x99', ' ', '\xE2', '\xB3', '\x9F', ' ', '\xE2', '\xB2', '\x8F', ' ', '\xE2', '\xB2', '\x9F', ' ', '\xE2', '\xB2', '\x91', ' ', '\xE2', '\xB3', '\x9D', ' ', '\xE2', '\xB3', '\x92', /* ⳑ ⳙ ⳟ ⲏ ⲟ ⲑ ⳝ Ⳓ */ + '\0', + '\xF0', '\x90', '\xA0', '\x8D', ' ', '\xF0', '\x90', '\xA0', '\x99', ' ', '\xF0', '\x90', '\xA0', '\xB3', ' ', '\xF0', '\x90', '\xA0', '\xB1', ' ', '\xF0', '\x90', '\xA0', '\x85', ' ', '\xF0', '\x90', '\xA0', '\x93', ' ', '\xF0', '\x90', '\xA0', '\xA3', ' ', '\xF0', '\x90', '\xA0', '\xA6', /* 𐠍 𐠙 𐠳 𐠱 𐠅 𐠓 𐠣 𐠦 */ + '\0', + '\xF0', '\x90', '\xA0', '\x83', ' ', '\xF0', '\x90', '\xA0', '\x8A', ' ', '\xF0', '\x90', '\xA0', '\x9B', ' ', '\xF0', '\x90', '\xA0', '\xA3', ' ', '\xF0', '\x90', '\xA0', '\xB3', ' ', '\xF0', '\x90', '\xA0', '\xB5', ' ', '\xF0', '\x90', '\xA0', '\x90', /* 𐠃 𐠊 𐠛 𐠣 𐠳 𐠵 𐠐 */ + '\0', + '\xF0', '\x90', '\xA0', '\x88', ' ', '\xF0', '\x90', '\xA0', '\x8F', ' ', '\xF0', '\x90', '\xA0', '\x96', /* 𐠈 𐠏 𐠖 */ + '\0', + '\xD0', '\x91', ' ', '\xD0', '\x92', ' ', '\xD0', '\x95', ' ', '\xD0', '\x9F', ' ', '\xD0', '\x97', ' ', '\xD0', '\x9E', ' ', '\xD0', '\xA1', ' ', '\xD0', '\xAD', /* Б В Е П З О С Э */ + '\0', + '\xD0', '\x91', ' ', '\xD0', '\x92', ' ', '\xD0', '\x95', ' ', '\xD0', '\xA8', ' ', '\xD0', '\x97', ' ', '\xD0', '\x9E', ' ', '\xD0', '\xA1', ' ', '\xD0', '\xAD', /* Б В Е Ш З О С Э */ + '\0', + '\xD1', '\x85', ' ', '\xD0', '\xBF', ' ', '\xD0', '\xBD', ' ', '\xD1', '\x88', ' ', '\xD0', '\xB5', ' ', '\xD0', '\xB7', ' ', '\xD0', '\xBE', ' ', '\xD1', '\x81', /* х п н ш е з о с */ + '\0', + '\xD1', '\x80', ' ', '\xD1', '\x83', ' ', '\xD1', '\x84', /* р у ф */ + '\0', + '\xF0', '\x90', '\x90', '\x82', ' ', '\xF0', '\x90', '\x90', '\x84', ' ', '\xF0', '\x90', '\x90', '\x8B', ' ', '\xF0', '\x90', '\x90', '\x97', ' ', '\xF0', '\x90', '\x90', '\x91', /* 𐐂 𐐄 𐐋 𐐗 𐐑 */ + '\0', + '\xF0', '\x90', '\x90', '\x80', ' ', '\xF0', '\x90', '\x90', '\x82', ' ', '\xF0', '\x90', '\x90', '\x84', ' ', '\xF0', '\x90', '\x90', '\x97', ' ', '\xF0', '\x90', '\x90', '\x9B', /* 𐐀 𐐂 𐐄 𐐗 𐐛 */ + '\0', + '\xF0', '\x90', '\x90', '\xAA', ' ', '\xF0', '\x90', '\x90', '\xAC', ' ', '\xF0', '\x90', '\x90', '\xB3', ' ', '\xF0', '\x90', '\x90', '\xBF', ' ', '\xF0', '\x90', '\x90', '\xB9', /* 𐐪 𐐬 𐐳 𐐿 𐐹 */ + '\0', + '\xF0', '\x90', '\x90', '\xA8', ' ', '\xF0', '\x90', '\x90', '\xAA', ' ', '\xF0', '\x90', '\x90', '\xAC', ' ', '\xF0', '\x90', '\x90', '\xBF', ' ', '\xF0', '\x90', '\x91', '\x83', /* 𐐨 𐐪 𐐬 𐐿 𐑃 */ + '\0', + '\xE0', '\xA4', '\x95', ' ', '\xE0', '\xA4', '\xAE', ' ', '\xE0', '\xA4', '\x85', ' ', '\xE0', '\xA4', '\x86', ' ', '\xE0', '\xA4', '\xA5', ' ', '\xE0', '\xA4', '\xA7', ' ', '\xE0', '\xA4', '\xAD', ' ', '\xE0', '\xA4', '\xB6', /* क म अ आ थ ध भ श */ + '\0', + '\xE0', '\xA4', '\x88', ' ', '\xE0', '\xA4', '\x90', ' ', '\xE0', '\xA4', '\x93', ' ', '\xE0', '\xA4', '\x94', ' ', '\xE0', '\xA4', '\xBF', ' ', '\xE0', '\xA5', '\x80', ' ', '\xE0', '\xA5', '\x8B', ' ', '\xE0', '\xA5', '\x8C', /* ई ऐ ओ औ ि ी ो ौ */ + '\0', + '\xE0', '\xA4', '\x95', ' ', '\xE0', '\xA4', '\xAE', ' ', '\xE0', '\xA4', '\x85', ' ', '\xE0', '\xA4', '\x86', ' ', '\xE0', '\xA4', '\xA5', ' ', '\xE0', '\xA4', '\xA7', ' ', '\xE0', '\xA4', '\xAD', ' ', '\xE0', '\xA4', '\xB6', /* क म अ आ थ ध भ श */ + '\0', + '\xE0', '\xA5', '\x81', ' ', '\xE0', '\xA5', '\x83', /* ु ृ */ + '\0', + '\xE1', '\x88', '\x80', ' ', '\xE1', '\x88', '\x83', ' ', '\xE1', '\x8B', '\x98', ' ', '\xE1', '\x8D', '\x90', ' ', '\xE1', '\x88', '\x9B', ' ', '\xE1', '\x89', '\xA0', ' ', '\xE1', '\x8B', '\x8B', ' ', '\xE1', '\x8B', '\x90', /* ሀ ሃ ዘ ፐ ማ በ ዋ ዐ */ + '\0', + '\xE1', '\x88', '\x88', ' ', '\xE1', '\x88', '\x90', ' ', '\xE1', '\x89', '\xA0', ' ', '\xE1', '\x8B', '\x98', ' ', '\xE1', '\x88', '\x80', ' ', '\xE1', '\x88', '\xAA', ' ', '\xE1', '\x8B', '\x90', ' ', '\xE1', '\x8C', '\xA8', /* ለ ሐ በ ዘ ሀ ሪ ዐ ጨ */ + '\0', + '\xE1', '\x83', '\x92', ' ', '\xE1', '\x83', '\x93', ' ', '\xE1', '\x83', '\x94', ' ', '\xE1', '\x83', '\x95', ' ', '\xE1', '\x83', '\x97', ' ', '\xE1', '\x83', '\x98', ' ', '\xE1', '\x83', '\x9D', ' ', '\xE1', '\x83', '\xA6', /* გ დ ე ვ თ ი ო ღ */ + '\0', + '\xE1', '\x83', '\x90', ' ', '\xE1', '\x83', '\x96', ' ', '\xE1', '\x83', '\x9B', ' ', '\xE1', '\x83', '\xA1', ' ', '\xE1', '\x83', '\xA8', ' ', '\xE1', '\x83', '\xAB', ' ', '\xE1', '\x83', '\xAE', ' ', '\xE1', '\x83', '\x9E', /* ა ზ მ ს შ ძ ხ პ */ + '\0', + '\xE1', '\x83', '\xA1', ' ', '\xE1', '\x83', '\xAE', ' ', '\xE1', '\x83', '\xA5', ' ', '\xE1', '\x83', '\x96', ' ', '\xE1', '\x83', '\x9B', ' ', '\xE1', '\x83', '\xA8', ' ', '\xE1', '\x83', '\xA9', ' ', '\xE1', '\x83', '\xAC', /* ს ხ ქ ზ მ შ ჩ წ */ + '\0', + '\xE1', '\x83', '\x94', ' ', '\xE1', '\x83', '\x95', ' ', '\xE1', '\x83', '\x9F', ' ', '\xE1', '\x83', '\xA2', ' ', '\xE1', '\x83', '\xA3', ' ', '\xE1', '\x83', '\xA4', ' ', '\xE1', '\x83', '\xA5', ' ', '\xE1', '\x83', '\xA7', /* ე ვ ჟ ტ უ ფ ქ ყ */ + '\0', + '\xE1', '\x82', '\xB1', ' ', '\xE1', '\x82', '\xA7', ' ', '\xE1', '\x82', '\xB9', ' ', '\xE1', '\x82', '\xBC', ' ', '\xE1', '\x82', '\xA4', ' ', '\xE1', '\x82', '\xA5', ' ', '\xE1', '\x82', '\xB3', ' ', '\xE1', '\x82', '\xBA', /* Ⴑ Ⴇ Ⴙ Ⴜ Ⴄ Ⴅ Ⴓ Ⴚ */ + '\0', + '\xE1', '\x82', '\xA4', ' ', '\xE1', '\x82', '\xA5', ' ', '\xE1', '\x82', '\xA7', ' ', '\xE1', '\x82', '\xA8', ' ', '\xE1', '\x82', '\xA6', ' ', '\xE1', '\x82', '\xB1', ' ', '\xE1', '\x82', '\xAA', ' ', '\xE1', '\x82', '\xAB', /* Ⴄ Ⴅ Ⴇ Ⴈ Ⴆ Ⴑ Ⴊ Ⴋ */ + '\0', + '\xE2', '\xB4', '\x81', ' ', '\xE2', '\xB4', '\x97', ' ', '\xE2', '\xB4', '\x82', ' ', '\xE2', '\xB4', '\x84', ' ', '\xE2', '\xB4', '\x85', ' ', '\xE2', '\xB4', '\x87', ' ', '\xE2', '\xB4', '\x94', ' ', '\xE2', '\xB4', '\x96', /* ⴁ ⴗ ⴂ ⴄ ⴅ ⴇ ⴔ ⴖ */ + '\0', + '\xE2', '\xB4', '\x88', ' ', '\xE2', '\xB4', '\x8C', ' ', '\xE2', '\xB4', '\x96', ' ', '\xE2', '\xB4', '\x8E', ' ', '\xE2', '\xB4', '\x83', ' ', '\xE2', '\xB4', '\x86', ' ', '\xE2', '\xB4', '\x8B', ' ', '\xE2', '\xB4', '\xA2', /* ⴈ ⴌ ⴖ ⴎ ⴃ ⴆ ⴋ ⴢ */ + '\0', + '\xE2', '\xB4', '\x90', ' ', '\xE2', '\xB4', '\x91', ' ', '\xE2', '\xB4', '\x93', ' ', '\xE2', '\xB4', '\x95', ' ', '\xE2', '\xB4', '\x99', ' ', '\xE2', '\xB4', '\x9B', ' ', '\xE2', '\xB4', '\xA1', ' ', '\xE2', '\xB4', '\xA3', /* ⴐ ⴑ ⴓ ⴕ ⴙ ⴛ ⴡ ⴣ */ + '\0', + '\xE2', '\xB4', '\x84', ' ', '\xE2', '\xB4', '\x85', ' ', '\xE2', '\xB4', '\x94', ' ', '\xE2', '\xB4', '\x95', ' ', '\xE2', '\xB4', '\x81', ' ', '\xE2', '\xB4', '\x82', ' ', '\xE2', '\xB4', '\x98', ' ', '\xE2', '\xB4', '\x9D', /* ⴄ ⴅ ⴔ ⴕ ⴁ ⴂ ⴘ ⴝ */ + '\0', + '\xE2', '\xB0', '\x85', ' ', '\xE2', '\xB0', '\x94', ' ', '\xE2', '\xB0', '\xAA', ' ', '\xE2', '\xB0', '\x84', ' ', '\xE2', '\xB0', '\x82', ' ', '\xE2', '\xB0', '\x8A', ' ', '\xE2', '\xB0', '\xAB', ' ', '\xE2', '\xB0', '\x8B', /* Ⰵ Ⱄ Ⱚ Ⰴ Ⰲ Ⰺ Ⱛ Ⰻ */ + '\0', + '\xE2', '\xB0', '\x85', ' ', '\xE2', '\xB0', '\x84', ' ', '\xE2', '\xB0', '\x82', ' ', '\xE2', '\xB0', '\xAA', ' ', '\xE2', '\xB0', '\x9E', ' ', '\xE2', '\xB0', '\xA1', ' ', '\xE2', '\xB0', '\x8A', ' ', '\xE2', '\xB0', '\x94', /* Ⰵ Ⰴ Ⰲ Ⱚ Ⱎ Ⱑ Ⰺ Ⱄ */ + '\0', + '\xE2', '\xB0', '\xB5', ' ', '\xE2', '\xB1', '\x84', ' ', '\xE2', '\xB1', '\x9A', ' ', '\xE2', '\xB0', '\xB4', ' ', '\xE2', '\xB0', '\xB2', ' ', '\xE2', '\xB0', '\xBA', ' ', '\xE2', '\xB1', '\x9B', ' ', '\xE2', '\xB0', '\xBB', /* ⰵ ⱄ ⱚ ⰴ ⰲ ⰺ ⱛ ⰻ */ + '\0', + '\xE2', '\xB0', '\xB5', ' ', '\xE2', '\xB0', '\xB4', ' ', '\xE2', '\xB0', '\xB2', ' ', '\xE2', '\xB1', '\x9A', ' ', '\xE2', '\xB1', '\x8E', ' ', '\xE2', '\xB1', '\x91', ' ', '\xE2', '\xB0', '\xBA', ' ', '\xE2', '\xB1', '\x84', /* ⰵ ⰴ ⰲ ⱚ ⱎ ⱑ ⰺ ⱄ */ + '\0', + '\xF0', '\x90', '\x8C', '\xB2', ' ', '\xF0', '\x90', '\x8C', '\xB6', ' ', '\xF0', '\x90', '\x8D', '\x80', ' ', '\xF0', '\x90', '\x8D', '\x84', ' ', '\xF0', '\x90', '\x8C', '\xB4', ' ', '\xF0', '\x90', '\x8D', '\x83', ' ', '\xF0', '\x90', '\x8D', '\x88', ' ', '\xF0', '\x90', '\x8C', '\xBE', /* 𐌲 𐌶 𐍀 𐍄 𐌴 𐍃 𐍈 𐌾 */ + '\0', + '\xF0', '\x90', '\x8C', '\xB6', ' ', '\xF0', '\x90', '\x8C', '\xB4', ' ', '\xF0', '\x90', '\x8D', '\x83', ' ', '\xF0', '\x90', '\x8D', '\x88', /* 𐌶 𐌴 𐍃 𐍈 */ + '\0', + '\xCE', '\x93', ' ', '\xCE', '\x92', ' ', '\xCE', '\x95', ' ', '\xCE', '\x96', ' ', '\xCE', '\x98', ' ', '\xCE', '\x9F', ' ', '\xCE', '\xA9', /* Γ Β Ε Ζ Θ Ο Ω */ + '\0', + '\xCE', '\x92', ' ', '\xCE', '\x94', ' ', '\xCE', '\x96', ' ', '\xCE', '\x9E', ' ', '\xCE', '\x98', ' ', '\xCE', '\x9F', /* Β Δ Ζ Ξ Θ Ο */ + '\0', + '\xCE', '\xB2', ' ', '\xCE', '\xB8', ' ', '\xCE', '\xB4', ' ', '\xCE', '\xB6', ' ', '\xCE', '\xBB', ' ', '\xCE', '\xBE', /* β θ δ ζ λ ξ */ + '\0', + '\xCE', '\xB1', ' ', '\xCE', '\xB5', ' ', '\xCE', '\xB9', ' ', '\xCE', '\xBF', ' ', '\xCF', '\x80', ' ', '\xCF', '\x83', ' ', '\xCF', '\x84', ' ', '\xCF', '\x89', /* α ε ι ο π σ τ ω */ + '\0', + '\xCE', '\xB2', ' ', '\xCE', '\xB3', ' ', '\xCE', '\xB7', ' ', '\xCE', '\xBC', ' ', '\xCF', '\x81', ' ', '\xCF', '\x86', ' ', '\xCF', '\x87', ' ', '\xCF', '\x88', /* β γ η μ ρ φ χ ψ */ + '\0', + '\xE0', '\xAA', '\xA4', ' ', '\xE0', '\xAA', '\xA8', ' ', '\xE0', '\xAA', '\x8B', ' ', '\xE0', '\xAA', '\x8C', ' ', '\xE0', '\xAA', '\x9B', ' ', '\xE0', '\xAA', '\x9F', ' ', '\xE0', '\xAA', '\xB0', ' ', '\xE0', '\xAB', '\xA6', /* ત ન ઋ ઌ છ ટ ર ૦ */ + '\0', + '\xE0', '\xAA', '\x96', ' ', '\xE0', '\xAA', '\x97', ' ', '\xE0', '\xAA', '\x98', ' ', '\xE0', '\xAA', '\x9E', ' ', '\xE0', '\xAA', '\x87', ' ', '\xE0', '\xAA', '\x88', ' ', '\xE0', '\xAA', '\xA0', ' ', '\xE0', '\xAA', '\x9C', /* ખ ગ ઘ ઞ ઇ ઈ ઠ જ */ + '\0', + '\xE0', '\xAA', '\x88', ' ', '\xE0', '\xAA', '\x8A', ' ', '\xE0', '\xAA', '\xBF', ' ', '\xE0', '\xAB', '\x80', ' ', '\xE0', '\xAA', '\xB2', '\xE0', '\xAB', '\x80', ' ', '\xE0', '\xAA', '\xB6', '\xE0', '\xAB', '\x8D', '\xE0', '\xAA', '\x9A', '\xE0', '\xAA', '\xBF', ' ', '\xE0', '\xAA', '\x9C', '\xE0', '\xAA', '\xBF', ' ', '\xE0', '\xAA', '\xB8', '\xE0', '\xAB', '\x80', /* ઈ ઊ િ ી લી શ્ચિ જિ સી */ + '\0', + '\xE0', '\xAB', '\x81', ' ', '\xE0', '\xAB', '\x83', ' ', '\xE0', '\xAB', '\x84', ' ', '\xE0', '\xAA', '\x96', '\xE0', '\xAB', '\x81', ' ', '\xE0', '\xAA', '\x9B', '\xE0', '\xAB', '\x83', ' ', '\xE0', '\xAA', '\x9B', '\xE0', '\xAB', '\x84', /* ુ ૃ ૄ ખુ છૃ છૄ */ + '\0', + '\xE0', '\xAB', '\xA6', ' ', '\xE0', '\xAB', '\xA7', ' ', '\xE0', '\xAB', '\xA8', ' ', '\xE0', '\xAB', '\xA9', ' ', '\xE0', '\xAB', '\xAD', /* ૦ ૧ ૨ ૩ ૭ */ + '\0', + '\xE0', '\xA8', '\x95', ' ', '\xE0', '\xA8', '\x97', ' ', '\xE0', '\xA8', '\x99', ' ', '\xE0', '\xA8', '\x9A', ' ', '\xE0', '\xA8', '\x9C', ' ', '\xE0', '\xA8', '\xA4', ' ', '\xE0', '\xA8', '\xA7', ' ', '\xE0', '\xA8', '\xB8', /* ਕ ਗ ਙ ਚ ਜ ਤ ਧ ਸ */ + '\0', + '\xE0', '\xA8', '\x95', ' ', '\xE0', '\xA8', '\x97', ' ', '\xE0', '\xA8', '\x99', ' ', '\xE0', '\xA8', '\x9A', ' ', '\xE0', '\xA8', '\x9C', ' ', '\xE0', '\xA8', '\xA4', ' ', '\xE0', '\xA8', '\xA7', ' ', '\xE0', '\xA8', '\xB8', /* ਕ ਗ ਙ ਚ ਜ ਤ ਧ ਸ */ + '\0', + '\xE0', '\xA8', '\x87', ' ', '\xE0', '\xA8', '\x88', ' ', '\xE0', '\xA8', '\x89', ' ', '\xE0', '\xA8', '\x8F', ' ', '\xE0', '\xA8', '\x93', ' ', '\xE0', '\xA9', '\xB3', ' ', '\xE0', '\xA8', '\xBF', ' ', '\xE0', '\xA9', '\x80', /* ਇ ਈ ਉ ਏ ਓ ੳ ਿ ੀ */ + '\0', + '\xE0', '\xA8', '\x85', ' ', '\xE0', '\xA8', '\x8F', ' ', '\xE0', '\xA8', '\x93', ' ', '\xE0', '\xA8', '\x97', ' ', '\xE0', '\xA8', '\x9C', ' ', '\xE0', '\xA8', '\xA0', ' ', '\xE0', '\xA8', '\xB0', ' ', '\xE0', '\xA8', '\xB8', /* ਅ ਏ ਓ ਗ ਜ ਠ ਰ ਸ */ + '\0', + '\xE0', '\xA9', '\xA6', ' ', '\xE0', '\xA9', '\xA7', ' ', '\xE0', '\xA9', '\xA8', ' ', '\xE0', '\xA9', '\xA9', ' ', '\xE0', '\xA9', '\xAD', /* ੦ ੧ ੨ ੩ ੭ */ + '\0', + '\xD7', '\x91', ' ', '\xD7', '\x93', ' ', '\xD7', '\x94', ' ', '\xD7', '\x97', ' ', '\xD7', '\x9A', ' ', '\xD7', '\x9B', ' ', '\xD7', '\x9D', ' ', '\xD7', '\xA1', /* ב ד ה ח ך כ ם ס */ + '\0', + '\xD7', '\x91', ' ', '\xD7', '\x98', ' ', '\xD7', '\x9B', ' ', '\xD7', '\x9D', ' ', '\xD7', '\xA1', ' ', '\xD7', '\xA6', /* ב ט כ ם ס צ */ + '\0', + '\xD7', '\xA7', ' ', '\xD7', '\x9A', ' ', '\xD7', '\x9F', ' ', '\xD7', '\xA3', ' ', '\xD7', '\xA5', /* ק ך ן ף ץ */ + '\0', + '\xE0', '\xB2', '\x87', ' ', '\xE0', '\xB2', '\x8A', ' ', '\xE0', '\xB2', '\x90', ' ', '\xE0', '\xB2', '\xA3', ' ', '\xE0', '\xB2', '\xB8', '\xE0', '\xB2', '\xBE', ' ', '\xE0', '\xB2', '\xA8', '\xE0', '\xB2', '\xBE', ' ', '\xE0', '\xB2', '\xA6', '\xE0', '\xB2', '\xBE', ' ', '\xE0', '\xB2', '\xB0', '\xE0', '\xB2', '\xBE', /* ಇ ಊ ಐ ಣ ಸಾ ನಾ ದಾ ರಾ */ + '\0', + '\xE0', '\xB2', '\x85', ' ', '\xE0', '\xB2', '\x89', ' ', '\xE0', '\xB2', '\x8E', ' ', '\xE0', '\xB2', '\xB2', ' ', '\xE0', '\xB3', '\xA6', ' ', '\xE0', '\xB3', '\xA8', ' ', '\xE0', '\xB3', '\xAC', ' ', '\xE0', '\xB3', '\xAD', /* ಅ ಉ ಎ ಲ ೦ ೨ ೬ ೭ */ + '\0', + '\xEA', '\xA4', '\x85', ' ', '\xEA', '\xA4', '\x8F', ' ', '\xEA', '\xA4', '\x81', ' ', '\xEA', '\xA4', '\x8B', ' ', '\xEA', '\xA4', '\x80', ' ', '\xEA', '\xA4', '\x8D', /* ꤅ ꤏ ꤁ ꤋ ꤀ ꤍ */ + '\0', + '\xEA', '\xA4', '\x88', ' ', '\xEA', '\xA4', '\x98', ' ', '\xEA', '\xA4', '\x80', ' ', '\xEA', '\xA4', '\x8D', ' ', '\xEA', '\xA4', '\xA2', /* ꤈ ꤘ ꤀ ꤍ ꤢ */ + '\0', + '\xEA', '\xA4', '\x96', ' ', '\xEA', '\xA4', '\xA1', /* ꤖ ꤡ */ + '\0', + '\xEA', '\xA4', '\x91', ' ', '\xEA', '\xA4', '\x9C', ' ', '\xEA', '\xA4', '\x9E', /* ꤑ ꤜ ꤞ */ + '\0', + '\xEA', '\xA4', '\x91', '\xEA', '\xA4', '\xAC', ' ', '\xEA', '\xA4', '\x9C', '\xEA', '\xA4', '\xAD', ' ', '\xEA', '\xA4', '\x94', '\xEA', '\xA4', '\xAC', /* ꤑ꤬ ꤜ꤭ ꤔ꤬ */ + '\0', + '\xE1', '\x9E', '\x81', ' ', '\xE1', '\x9E', '\x91', ' ', '\xE1', '\x9E', '\x93', ' ', '\xE1', '\x9E', '\xA7', ' ', '\xE1', '\x9E', '\xA9', ' ', '\xE1', '\x9E', '\xB6', /* ខ ទ ន ឧ ឩ ា */ + '\0', + '\xE1', '\x9E', '\x80', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x80', ' ', '\xE1', '\x9E', '\x80', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x81', ' ', '\xE1', '\x9E', '\x80', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x82', ' ', '\xE1', '\x9E', '\x80', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x90', /* ក្ក ក្ខ ក្គ ក្ថ */ + '\0', + '\xE1', '\x9E', '\x81', ' ', '\xE1', '\x9E', '\x83', ' ', '\xE1', '\x9E', '\x85', ' ', '\xE1', '\x9E', '\x8B', ' ', '\xE1', '\x9E', '\x94', ' ', '\xE1', '\x9E', '\x98', ' ', '\xE1', '\x9E', '\x99', ' ', '\xE1', '\x9E', '\xB2', /* ខ ឃ ច ឋ ប ម យ ឲ */ + '\0', + '\xE1', '\x9E', '\x8F', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x9A', ' ', '\xE1', '\x9E', '\x9A', '\xE1', '\x9F', '\x80', ' ', '\xE1', '\x9E', '\xB2', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x99', ' ', '\xE1', '\x9E', '\xA2', '\xE1', '\x9E', '\xBF', /* ត្រ រៀ ឲ្យ អឿ */ + '\0', + '\xE1', '\x9E', '\x93', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x8F', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x9A', '\xE1', '\x9F', '\x83', ' ', '\xE1', '\x9E', '\x84', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x81', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x99', ' ', '\xE1', '\x9E', '\x80', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x94', '\xE1', '\x9F', '\x80', ' ', '\xE1', '\x9E', '\x85', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x9A', '\xE1', '\x9F', '\x80', ' ', '\xE1', '\x9E', '\x93', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x8F', '\xE1', '\x9E', '\xBF', ' ', '\xE1', '\x9E', '\x9B', '\xE1', '\x9F', '\x92', '\xE1', '\x9E', '\x94', '\xE1', '\x9E', '\xBF', /* ន្ត្រៃ ង្ខ្យ ក្បៀ ច្រៀ ន្តឿ ល្បឿ */ + '\0', + '\xE1', '\xA7', '\xA0', ' ', '\xE1', '\xA7', '\xA1', /* ᧠ ᧡ */ + '\0', + '\xE1', '\xA7', '\xB6', ' ', '\xE1', '\xA7', '\xB9', /* ᧶ ᧹ */ + '\0', + '\xE0', '\xBA', '\xB2', ' ', '\xE0', '\xBA', '\x94', ' ', '\xE0', '\xBA', '\xAD', ' ', '\xE0', '\xBA', '\xA1', ' ', '\xE0', '\xBA', '\xA5', ' ', '\xE0', '\xBA', '\xA7', ' ', '\xE0', '\xBA', '\xA3', ' ', '\xE0', '\xBA', '\x87', /* າ ດ ອ ມ ລ ວ ຣ ງ */ + '\0', + '\xE0', '\xBA', '\xB2', ' ', '\xE0', '\xBA', '\xAD', ' ', '\xE0', '\xBA', '\x9A', ' ', '\xE0', '\xBA', '\x8D', ' ', '\xE0', '\xBA', '\xA3', ' ', '\xE0', '\xBA', '\xAE', ' ', '\xE0', '\xBA', '\xA7', ' ', '\xE0', '\xBA', '\xA2', /* າ ອ ບ ຍ ຣ ຮ ວ ຢ */ + '\0', + '\xE0', '\xBA', '\x9B', ' ', '\xE0', '\xBA', '\xA2', ' ', '\xE0', '\xBA', '\x9F', ' ', '\xE0', '\xBA', '\x9D', /* ປ ຢ ຟ ຝ */ + '\0', + '\xE0', '\xBB', '\x82', ' ', '\xE0', '\xBB', '\x84', ' ', '\xE0', '\xBB', '\x83', /* ໂ ໄ ໃ */ + '\0', + '\xE0', '\xBA', '\x87', ' ', '\xE0', '\xBA', '\x8A', ' ', '\xE0', '\xBA', '\x96', ' ', '\xE0', '\xBA', '\xBD', ' ', '\xE0', '\xBB', '\x86', ' ', '\xE0', '\xBA', '\xAF', /* ງ ຊ ຖ ຽ ໆ ຯ */ + '\0', + 'T', ' ', 'H', ' ', 'E', ' ', 'Z', ' ', 'O', ' ', 'C', ' ', 'Q', ' ', 'S', /* T H E Z O C Q S */ + '\0', + 'H', ' ', 'E', ' ', 'Z', ' ', 'L', ' ', 'O', ' ', 'C', ' ', 'U', ' ', 'S', /* H E Z L O C U S */ + '\0', + 'f', ' ', 'i', ' ', 'j', ' ', 'k', ' ', 'd', ' ', 'b', ' ', 'h', /* f i j k d b h */ + '\0', + 'u', ' ', 'v', ' ', 'x', ' ', 'z', ' ', 'o', ' ', 'e', ' ', 's', ' ', 'c', /* u v x z o e s c */ + '\0', + 'n', ' ', 'r', ' ', 'x', ' ', 'z', ' ', 'o', ' ', 'e', ' ', 's', ' ', 'c', /* n r x z o e s c */ + '\0', + 'p', ' ', 'q', ' ', 'g', ' ', 'j', ' ', 'y', /* p q g j y */ + '\0', + '\xE2', '\x82', '\x80', ' ', '\xE2', '\x82', '\x83', ' ', '\xE2', '\x82', '\x85', ' ', '\xE2', '\x82', '\x87', ' ', '\xE2', '\x82', '\x88', /* ₀ ₃ ₅ ₇ ₈ */ + '\0', + '\xE2', '\x82', '\x80', ' ', '\xE2', '\x82', '\x81', ' ', '\xE2', '\x82', '\x82', ' ', '\xE2', '\x82', '\x83', ' ', '\xE2', '\x82', '\x88', /* ₀ ₁ ₂ ₃ ₈ */ + '\0', + '\xE1', '\xB5', '\xA2', ' ', '\xE2', '\xB1', '\xBC', ' ', '\xE2', '\x82', '\x95', ' ', '\xE2', '\x82', '\x96', ' ', '\xE2', '\x82', '\x97', /* ᵢ ⱼ ₕ ₖ ₗ */ + '\0', + '\xE2', '\x82', '\x90', ' ', '\xE2', '\x82', '\x91', ' ', '\xE2', '\x82', '\x92', ' ', '\xE2', '\x82', '\x93', ' ', '\xE2', '\x82', '\x99', ' ', '\xE2', '\x82', '\x9B', ' ', '\xE1', '\xB5', '\xA5', ' ', '\xE1', '\xB5', '\xA4', ' ', '\xE1', '\xB5', '\xA3', /* ₐ ₑ ₒ ₓ ₙ ₛ ᵥ ᵤ ᵣ */ + '\0', + '\xE1', '\xB5', '\xA6', ' ', '\xE1', '\xB5', '\xA7', ' ', '\xE1', '\xB5', '\xA8', ' ', '\xE1', '\xB5', '\xA9', ' ', '\xE2', '\x82', '\x9A', /* ᵦ ᵧ ᵨ ᵩ ₚ */ + '\0', + '\xE2', '\x81', '\xB0', ' ', '\xC2', '\xB3', ' ', '\xE2', '\x81', '\xB5', ' ', '\xE2', '\x81', '\xB7', ' ', '\xE1', '\xB5', '\x80', ' ', '\xE1', '\xB4', '\xB4', ' ', '\xE1', '\xB4', '\xB1', ' ', '\xE1', '\xB4', '\xBC', /* ⁰ ³ ⁵ ⁷ ᵀ ᴴ ᴱ ᴼ */ + '\0', + '\xE2', '\x81', '\xB0', ' ', '\xC2', '\xB9', ' ', '\xC2', '\xB2', ' ', '\xC2', '\xB3', ' ', '\xE1', '\xB4', '\xB1', ' ', '\xE1', '\xB4', '\xB8', ' ', '\xE1', '\xB4', '\xBC', ' ', '\xE1', '\xB5', '\x81', /* ⁰ ¹ ² ³ ᴱ ᴸ ᴼ ᵁ */ + '\0', + '\xE1', '\xB5', '\x87', ' ', '\xE1', '\xB5', '\x88', ' ', '\xE1', '\xB5', '\x8F', ' ', '\xCA', '\xB0', ' ', '\xCA', '\xB2', ' ', '\xE1', '\xB6', '\xA0', ' ', '\xE2', '\x81', '\xB1', /* ᵇ ᵈ ᵏ ʰ ʲ ᶠ ⁱ */ + '\0', + '\xE1', '\xB5', '\x89', ' ', '\xE1', '\xB5', '\x92', ' ', '\xCA', '\xB3', ' ', '\xCB', '\xA2', ' ', '\xCB', '\xA3', ' ', '\xE1', '\xB6', '\x9C', ' ', '\xE1', '\xB6', '\xBB', /* ᵉ ᵒ ʳ ˢ ˣ ᶜ ᶻ */ + '\0', + '\xE1', '\xB5', '\x96', ' ', '\xCA', '\xB8', ' ', '\xE1', '\xB5', '\x8D', /* ᵖ ʸ ᵍ */ + '\0', + '\xEA', '\x93', '\xA1', ' ', '\xEA', '\x93', '\xA7', ' ', '\xEA', '\x93', '\xB1', ' ', '\xEA', '\x93', '\xB6', ' ', '\xEA', '\x93', '\xA9', ' ', '\xEA', '\x93', '\x9A', ' ', '\xEA', '\x93', '\xB5', ' ', '\xEA', '\x93', '\xB3', /* ꓡ ꓧ ꓱ ꓶ ꓩ ꓚ ꓵ ꓳ */ + '\0', + '\xEA', '\x93', '\x95', ' ', '\xEA', '\x93', '\x9C', ' ', '\xEA', '\x93', '\x9E', ' ', '\xEA', '\x93', '\xA1', ' ', '\xEA', '\x93', '\x9B', ' ', '\xEA', '\x93', '\xA2', ' ', '\xEA', '\x93', '\xB3', ' ', '\xEA', '\x93', '\xB4', /* ꓕ ꓜ ꓞ ꓡ ꓛ ꓢ ꓳ ꓴ */ + '\0', + '\xE0', '\xB4', '\x92', ' ', '\xE0', '\xB4', '\x9F', ' ', '\xE0', '\xB4', '\xA0', ' ', '\xE0', '\xB4', '\xB1', ' ', '\xE0', '\xB4', '\x9A', ' ', '\xE0', '\xB4', '\xAA', ' ', '\xE0', '\xB4', '\x9A', '\xE0', '\xB5', '\x8D', '\xE0', '\xB4', '\x9A', ' ', '\xE0', '\xB4', '\xAA', '\xE0', '\xB5', '\x8D', '\xE0', '\xB4', '\xAA', /* ഒ ട ഠ റ ച പ ച്ച പ്പ */ + '\0', + '\xE0', '\xB4', '\x9F', ' ', '\xE0', '\xB4', '\xA0', ' ', '\xE0', '\xB4', '\xA7', ' ', '\xE0', '\xB4', '\xB6', ' ', '\xE0', '\xB4', '\x98', ' ', '\xE0', '\xB4', '\x9A', ' ', '\xE0', '\xB4', '\xA5', ' ', '\xE0', '\xB4', '\xB2', /* ട ഠ ധ ശ ഘ ച ഥ ല */ + '\0', + '\xE1', '\x80', '\x81', ' ', '\xE1', '\x80', '\x82', ' ', '\xE1', '\x80', '\x84', ' ', '\xE1', '\x80', '\x92', ' ', '\xE1', '\x80', '\x9D', ' ', '\xE1', '\x81', '\xA5', ' ', '\xE1', '\x81', '\x8A', ' ', '\xE1', '\x81', '\x8B', /* ခ ဂ င ဒ ဝ ၥ ၊ ။ */ + '\0', + '\xE1', '\x80', '\x84', ' ', '\xE1', '\x80', '\x8E', ' ', '\xE1', '\x80', '\x92', ' ', '\xE1', '\x80', '\x95', ' ', '\xE1', '\x80', '\x97', ' ', '\xE1', '\x80', '\x9D', ' ', '\xE1', '\x81', '\x8A', ' ', '\xE1', '\x81', '\x8B', /* င ဎ ဒ ပ ဗ ဝ ၊ ။ */ + '\0', + '\xE1', '\x80', '\xA9', ' ', '\xE1', '\x80', '\xBC', ' ', '\xE1', '\x81', '\x8D', ' ', '\xE1', '\x81', '\x8F', ' ', '\xE1', '\x81', '\x86', ' ', '\xE1', '\x80', '\xAB', ' ', '\xE1', '\x80', '\xAD', /* ဩ ြ ၍ ၏ ၆ ါ ိ */ + '\0', + '\xE1', '\x80', '\x89', ' ', '\xE1', '\x80', '\x8A', ' ', '\xE1', '\x80', '\xA5', ' ', '\xE1', '\x80', '\xA9', ' ', '\xE1', '\x80', '\xA8', ' ', '\xE1', '\x81', '\x82', ' ', '\xE1', '\x81', '\x85', ' ', '\xE1', '\x81', '\x89', /* ဉ ည ဥ ဩ ဨ ၂ ၅ ၉ */ + '\0', + '\xDF', '\x90', ' ', '\xDF', '\x89', ' ', '\xDF', '\x92', ' ', '\xDF', '\x9F', ' ', '\xDF', '\x96', ' ', '\xDF', '\x9C', ' ', '\xDF', '\xA0', ' ', '\xDF', '\xA5', /* ߐ ߉ ߒ ߟ ߖ ߜ ߠ ߥ */ + '\0', + '\xDF', '\x80', ' ', '\xDF', '\x98', ' ', '\xDF', '\xA1', ' ', '\xDF', '\xA0', ' ', '\xDF', '\xA5', /* ߀ ߘ ߡ ߠ ߥ */ + '\0', + '\xDF', '\x8F', ' ', '\xDF', '\x9B', ' ', '\xDF', '\x8B', /* ߏ ߛ ߋ */ + '\0', + '\xDF', '\x8E', ' ', '\xDF', '\x8F', ' ', '\xDF', '\x9B', ' ', '\xDF', '\x8B', /* ߎ ߏ ߛ ߋ */ + '\0', + '\xE1', '\xB1', '\x9B', ' ', '\xE1', '\xB1', '\x9C', ' ', '\xE1', '\xB1', '\x9D', ' ', '\xE1', '\xB1', '\xA1', ' ', '\xE1', '\xB1', '\xA2', ' ', '\xE1', '\xB1', '\xA5', /* ᱛ ᱜ ᱝ ᱡ ᱢ ᱥ */ + '\0', + '\xF0', '\x90', '\xB0', '\x97', ' ', '\xF0', '\x90', '\xB0', '\x98', ' ', '\xF0', '\x90', '\xB0', '\xA7', /* 𐰗 𐰘 𐰧 */ + '\0', + '\xF0', '\x90', '\xB0', '\x89', ' ', '\xF0', '\x90', '\xB0', '\x97', ' ', '\xF0', '\x90', '\xB0', '\xA6', ' ', '\xF0', '\x90', '\xB0', '\xA7', /* 𐰉 𐰗 𐰦 𐰧 */ + '\0', + '\xF0', '\x90', '\x92', '\xBE', ' ', '\xF0', '\x90', '\x93', '\x8D', ' ', '\xF0', '\x90', '\x93', '\x92', ' ', '\xF0', '\x90', '\x93', '\x93', ' ', '\xF0', '\x90', '\x92', '\xBB', ' ', '\xF0', '\x90', '\x93', '\x82', ' ', '\xF0', '\x90', '\x92', '\xB5', ' ', '\xF0', '\x90', '\x93', '\x86', /* 𐒾 𐓍 𐓒 𐓓 𐒻 𐓂 𐒵 𐓆 */ + '\0', + '\xF0', '\x90', '\x92', '\xB0', ' ', '\xF0', '\x90', '\x93', '\x8D', ' ', '\xF0', '\x90', '\x93', '\x82', ' ', '\xF0', '\x90', '\x92', '\xBF', ' ', '\xF0', '\x90', '\x93', '\x8E', ' ', '\xF0', '\x90', '\x92', '\xB9', /* 𐒰 𐓍 𐓂 𐒿 𐓎 𐒹 */ + '\0', + '\xF0', '\x90', '\x92', '\xBC', ' ', '\xF0', '\x90', '\x92', '\xBD', ' ', '\xF0', '\x90', '\x92', '\xBE', /* 𐒼 𐒽 𐒾 */ + '\0', + '\xF0', '\x90', '\x93', '\xB5', ' ', '\xF0', '\x90', '\x93', '\xB6', ' ', '\xF0', '\x90', '\x93', '\xBA', ' ', '\xF0', '\x90', '\x93', '\xBB', ' ', '\xF0', '\x90', '\x93', '\x9D', ' ', '\xF0', '\x90', '\x93', '\xA3', ' ', '\xF0', '\x90', '\x93', '\xAA', ' ', '\xF0', '\x90', '\x93', '\xAE', /* 𐓵 𐓶 𐓺 𐓻 𐓝 𐓣 𐓪 𐓮 */ + '\0', + '\xF0', '\x90', '\x93', '\x98', ' ', '\xF0', '\x90', '\x93', '\x9A', ' ', '\xF0', '\x90', '\x93', '\xA3', ' ', '\xF0', '\x90', '\x93', '\xB5', ' ', '\xF0', '\x90', '\x93', '\xA1', ' ', '\xF0', '\x90', '\x93', '\xA7', ' ', '\xF0', '\x90', '\x93', '\xAA', ' ', '\xF0', '\x90', '\x93', '\xB6', /* 𐓘 𐓚 𐓣 𐓵 𐓡 𐓧 𐓪 𐓶 */ + '\0', + '\xF0', '\x90', '\x93', '\xA4', ' ', '\xF0', '\x90', '\x93', '\xA6', ' ', '\xF0', '\x90', '\x93', '\xB8', ' ', '\xF0', '\x90', '\x93', '\xB9', ' ', '\xF0', '\x90', '\x93', '\x9B', /* 𐓤 𐓦 𐓸 𐓹 𐓛 */ + '\0', + '\xF0', '\x90', '\x93', '\xA4', ' ', '\xF0', '\x90', '\x93', '\xA5', ' ', '\xF0', '\x90', '\x93', '\xA6', /* 𐓤 𐓥 𐓦 */ + '\0', + '\xF0', '\x90', '\x92', '\x86', ' ', '\xF0', '\x90', '\x92', '\x89', ' ', '\xF0', '\x90', '\x92', '\x90', ' ', '\xF0', '\x90', '\x92', '\x92', ' ', '\xF0', '\x90', '\x92', '\x98', ' ', '\xF0', '\x90', '\x92', '\x9B', ' ', '\xF0', '\x90', '\x92', '\xA0', ' ', '\xF0', '\x90', '\x92', '\xA3', /* 𐒆 𐒉 𐒐 𐒒 𐒘 𐒛 𐒠 𐒣 */ + '\0', + '\xF0', '\x90', '\x92', '\x80', ' ', '\xF0', '\x90', '\x92', '\x82', ' ', '\xF0', '\x90', '\x92', '\x86', ' ', '\xF0', '\x90', '\x92', '\x88', ' ', '\xF0', '\x90', '\x92', '\x8A', ' ', '\xF0', '\x90', '\x92', '\x92', ' ', '\xF0', '\x90', '\x92', '\xA0', ' ', '\xF0', '\x90', '\x92', '\xA9', /* 𐒀 𐒂 𐒆 𐒈 𐒊 𐒒 𐒠 𐒩 */ + '\0', + '\xEA', '\xA2', '\x9C', ' ', '\xEA', '\xA2', '\x9E', ' ', '\xEA', '\xA2', '\xB3', ' ', '\xEA', '\xA2', '\x82', ' ', '\xEA', '\xA2', '\x96', ' ', '\xEA', '\xA2', '\x92', ' ', '\xEA', '\xA2', '\x9D', ' ', '\xEA', '\xA2', '\x9B', /* ꢜ ꢞ ꢳ ꢂ ꢖ ꢒ ꢝ ꢛ */ + '\0', + '\xEA', '\xA2', '\x82', ' ', '\xEA', '\xA2', '\xA8', ' ', '\xEA', '\xA2', '\xBA', ' ', '\xEA', '\xA2', '\xA4', ' ', '\xEA', '\xA2', '\x8E', /* ꢂ ꢨ ꢺ ꢤ ꢎ */ + '\0', + '\xF0', '\x90', '\x91', '\x95', ' ', '\xF0', '\x90', '\x91', '\x99', /* 𐑕 𐑙 */ + '\0', + '\xF0', '\x90', '\x91', '\x94', ' ', '\xF0', '\x90', '\x91', '\x96', ' ', '\xF0', '\x90', '\x91', '\x97', ' ', '\xF0', '\x90', '\x91', '\xB9', ' ', '\xF0', '\x90', '\x91', '\xBB', /* 𐑔 𐑖 𐑗 𐑹 𐑻 */ + '\0', + '\xF0', '\x90', '\x91', '\x9F', ' ', '\xF0', '\x90', '\x91', '\xA3', /* 𐑟 𐑣 */ + '\0', + '\xF0', '\x90', '\x91', '\xB1', ' ', '\xF0', '\x90', '\x91', '\xB2', ' ', '\xF0', '\x90', '\x91', '\xB3', ' ', '\xF0', '\x90', '\x91', '\xB4', ' ', '\xF0', '\x90', '\x91', '\xB8', ' ', '\xF0', '\x90', '\x91', '\xBA', ' ', '\xF0', '\x90', '\x91', '\xBC', /* 𐑱 𐑲 𐑳 𐑴 𐑸 𐑺 𐑼 */ + '\0', + '\xF0', '\x90', '\x91', '\xB4', ' ', '\xF0', '\x90', '\x91', '\xBB', ' ', '\xF0', '\x90', '\x91', '\xB9', /* 𐑴 𐑻 𐑹 */ + '\0', + '\xE0', '\xB6', '\x89', ' ', '\xE0', '\xB6', '\x9A', ' ', '\xE0', '\xB6', '\x9D', ' ', '\xE0', '\xB6', '\xB3', ' ', '\xE0', '\xB6', '\xB4', ' ', '\xE0', '\xB6', '\xBA', ' ', '\xE0', '\xB6', '\xBD', ' ', '\xE0', '\xB7', '\x86', /* ඉ ක ඝ ඳ ප ය ල ෆ */ + '\0', + '\xE0', '\xB6', '\x91', ' ', '\xE0', '\xB6', '\x94', ' ', '\xE0', '\xB6', '\x9D', ' ', '\xE0', '\xB6', '\xA2', ' ', '\xE0', '\xB6', '\xA7', ' ', '\xE0', '\xB6', '\xAE', ' ', '\xE0', '\xB6', '\xB0', ' ', '\xE0', '\xB6', '\xBB', /* එ ඔ ඝ ජ ට ථ ධ ර */ + '\0', + '\xE0', '\xB6', '\xAF', ' ', '\xE0', '\xB6', '\xB3', ' ', '\xE0', '\xB6', '\x8B', ' ', '\xE0', '\xB6', '\xBD', ' ', '\xE0', '\xB6', '\xAD', '\xE0', '\xB7', '\x96', ' ', '\xE0', '\xB6', '\xAD', '\xE0', '\xB7', '\x94', ' ', '\xE0', '\xB6', '\xB6', '\xE0', '\xB7', '\x94', ' ', '\xE0', '\xB6', '\xAF', '\xE0', '\xB7', '\x94', /* ද ඳ උ ල තූ තු බු දු */ + '\0', + '\xE1', '\xAE', '\x8B', ' ', '\xE1', '\xAE', '\x9E', ' ', '\xE1', '\xAE', '\xAE', ' ', '\xE1', '\xAE', '\xBD', ' ', '\xE1', '\xAE', '\xB0', ' ', '\xE1', '\xAE', '\x88', /* ᮋ ᮞ ᮮ ᮽ ᮰ ᮈ */ + '\0', + '\xE1', '\xAE', '\x84', ' ', '\xE1', '\xAE', '\x94', ' ', '\xE1', '\xAE', '\x95', ' ', '\xE1', '\xAE', '\x97', ' ', '\xE1', '\xAE', '\xB0', ' ', '\xE1', '\xAE', '\x86', ' ', '\xE1', '\xAE', '\x88', ' ', '\xE1', '\xAE', '\x89', /* ᮄ ᮔ ᮕ ᮗ ᮰ ᮆ ᮈ ᮉ */ + '\0', + '\xE1', '\xAE', '\xBC', ' ', '\xE1', '\xB3', '\x84', /* ᮼ ᳄ */ + '\0', + '\xEA', '\xAA', '\x86', ' ', '\xEA', '\xAA', '\x94', ' ', '\xEA', '\xAA', '\x92', ' ', '\xEA', '\xAA', '\x96', ' ', '\xEA', '\xAA', '\xAB', /* ꪆ ꪔ ꪒ ꪖ ꪫ */ + '\0', + '\xEA', '\xAA', '\x89', ' ', '\xEA', '\xAA', '\xAB', ' ', '\xEA', '\xAA', '\xAE', /* ꪉ ꪫ ꪮ */ + '\0', + '\xE0', '\xAE', '\x89', ' ', '\xE0', '\xAE', '\x92', ' ', '\xE0', '\xAE', '\x93', ' ', '\xE0', '\xAE', '\xB1', ' ', '\xE0', '\xAE', '\x88', ' ', '\xE0', '\xAE', '\x95', ' ', '\xE0', '\xAE', '\x99', ' ', '\xE0', '\xAE', '\x9A', /* உ ஒ ஓ ற ஈ க ங ச */ + '\0', + '\xE0', '\xAE', '\x95', ' ', '\xE0', '\xAE', '\x9A', ' ', '\xE0', '\xAE', '\xB2', ' ', '\xE0', '\xAE', '\xB6', ' ', '\xE0', '\xAE', '\x89', ' ', '\xE0', '\xAE', '\x99', ' ', '\xE0', '\xAE', '\x9F', ' ', '\xE0', '\xAE', '\xAA', /* க ச ல ஶ உ ங ட ப */ + '\0', + '\xE0', '\xB0', '\x87', ' ', '\xE0', '\xB0', '\x8C', ' ', '\xE0', '\xB0', '\x99', ' ', '\xE0', '\xB0', '\x9E', ' ', '\xE0', '\xB0', '\xA3', ' ', '\xE0', '\xB0', '\xB1', ' ', '\xE0', '\xB1', '\xAF', /* ఇ ఌ ఙ ఞ ణ ఱ ౯ */ + '\0', + '\xE0', '\xB0', '\x85', ' ', '\xE0', '\xB0', '\x95', ' ', '\xE0', '\xB0', '\x9A', ' ', '\xE0', '\xB0', '\xB0', ' ', '\xE0', '\xB0', '\xBD', ' ', '\xE0', '\xB1', '\xA8', ' ', '\xE0', '\xB1', '\xAC', /* అ క చ ర ఽ ౨ ౬ */ + '\0', + '\xE0', '\xB8', '\x9A', ' ', '\xE0', '\xB9', '\x80', ' ', '\xE0', '\xB9', '\x81', ' ', '\xE0', '\xB8', '\xAD', ' ', '\xE0', '\xB8', '\x81', ' ', '\xE0', '\xB8', '\xB2', /* บ เ แ อ ก า */ + '\0', + '\xE0', '\xB8', '\x9A', ' ', '\xE0', '\xB8', '\x9B', ' ', '\xE0', '\xB8', '\xA9', ' ', '\xE0', '\xB8', '\xAF', ' ', '\xE0', '\xB8', '\xAD', ' ', '\xE0', '\xB8', '\xA2', ' ', '\xE0', '\xB8', '\xAE', /* บ ป ษ ฯ อ ย ฮ */ + '\0', + '\xE0', '\xB8', '\x9B', ' ', '\xE0', '\xB8', '\x9D', ' ', '\xE0', '\xB8', '\x9F', /* ป ฝ ฟ */ + '\0', + '\xE0', '\xB9', '\x82', ' ', '\xE0', '\xB9', '\x83', ' ', '\xE0', '\xB9', '\x84', /* โ ใ ไ */ + '\0', + '\xE0', '\xB8', '\x8E', ' ', '\xE0', '\xB8', '\x8F', ' ', '\xE0', '\xB8', '\xA4', ' ', '\xE0', '\xB8', '\xA6', /* ฎ ฏ ฤ ฦ */ + '\0', + '\xE0', '\xB8', '\x8D', ' ', '\xE0', '\xB8', '\x90', /* ญ ฐ */ + '\0', + '\xE0', '\xB9', '\x90', ' ', '\xE0', '\xB9', '\x91', ' ', '\xE0', '\xB9', '\x93', /* ๐ ๑ ๓ */ + '\0', + '\xE2', '\xB5', '\x94', ' ', '\xE2', '\xB5', '\x99', ' ', '\xE2', '\xB5', '\x9B', ' ', '\xE2', '\xB5', '\x9E', ' ', '\xE2', '\xB4', '\xB5', ' ', '\xE2', '\xB4', '\xBC', ' ', '\xE2', '\xB4', '\xB9', ' ', '\xE2', '\xB5', '\x8E', /* ⵔ ⵙ ⵛ ⵞ ⴵ ⴼ ⴹ ⵎ */ + '\0', + '\xEA', '\x97', '\x8D', ' ', '\xEA', '\x98', '\x96', ' ', '\xEA', '\x98', '\x99', ' ', '\xEA', '\x98', '\x9C', ' ', '\xEA', '\x96', '\x9C', ' ', '\xEA', '\x96', '\x9D', ' ', '\xEA', '\x94', '\x85', ' ', '\xEA', '\x95', '\xA2', /* ꗍ ꘖ ꘙ ꘜ ꖜ ꖝ ꔅ ꕢ */ + '\0', + '\xEA', '\x97', '\x8D', ' ', '\xEA', '\x98', '\x96', ' ', '\xEA', '\x98', '\x99', ' ', '\xEA', '\x97', '\x9E', ' ', '\xEA', '\x94', '\x85', ' ', '\xEA', '\x95', '\xA2', ' ', '\xEA', '\x96', '\x9C', ' ', '\xEA', '\x94', '\x86', /* ꗍ ꘖ ꘙ ꗞ ꔅ ꕢ ꖜ ꔆ */ +#ifdef AF_CONFIG_OPTION_CJK + '\0', + '\xE4', '\xBB', '\x96', ' ', '\xE4', '\xBB', '\xAC', ' ', '\xE4', '\xBD', '\xA0', ' ', '\xE4', '\xBE', '\x86', ' ', '\xE5', '\x80', '\x91', ' ', '\xE5', '\x88', '\xB0', ' ', '\xE5', '\x92', '\x8C', ' ', '\xE5', '\x9C', '\xB0', /* 他 们 你 來 們 到 和 地 */ + ' ', '\xE5', '\xAF', '\xB9', ' ', '\xE5', '\xB0', '\x8D', ' ', '\xE5', '\xB0', '\xB1', ' ', '\xE5', '\xB8', '\xAD', ' ', '\xE6', '\x88', '\x91', ' ', '\xE6', '\x97', '\xB6', ' ', '\xE6', '\x99', '\x82', ' ', '\xE6', '\x9C', '\x83', /* 对 對 就 席 我 时 時 會 */ + ' ', '\xE6', '\x9D', '\xA5', ' ', '\xE7', '\x82', '\xBA', ' ', '\xE8', '\x83', '\xBD', ' ', '\xE8', '\x88', '\xB0', ' ', '\xE8', '\xAA', '\xAA', ' ', '\xE8', '\xAF', '\xB4', ' ', '\xE8', '\xBF', '\x99', ' ', '\xE9', '\x80', '\x99', /* 来 為 能 舰 說 说 这 這 */ + ' ', '\xE9', '\xBD', '\x8A', ' ', '|', /* 齊 | */ + ' ', '\xE5', '\x86', '\x9B', ' ', '\xE5', '\x90', '\x8C', ' ', '\xE5', '\xB7', '\xB2', ' ', '\xE6', '\x84', '\xBF', ' ', '\xE6', '\x97', '\xA2', ' ', '\xE6', '\x98', '\x9F', ' ', '\xE6', '\x98', '\xAF', ' ', '\xE6', '\x99', '\xAF', /* 军 同 已 愿 既 星 是 景 */ + ' ', '\xE6', '\xB0', '\x91', ' ', '\xE7', '\x85', '\xA7', ' ', '\xE7', '\x8E', '\xB0', ' ', '\xE7', '\x8F', '\xBE', ' ', '\xE7', '\x90', '\x86', ' ', '\xE7', '\x94', '\xA8', ' ', '\xE7', '\xBD', '\xAE', ' ', '\xE8', '\xA6', '\x81', /* 民 照 现 現 理 用 置 要 */ + ' ', '\xE8', '\xBB', '\x8D', ' ', '\xE9', '\x82', '\xA3', ' ', '\xE9', '\x85', '\x8D', ' ', '\xE9', '\x87', '\x8C', ' ', '\xE9', '\x96', '\x8B', ' ', '\xE9', '\x9B', '\xB7', ' ', '\xE9', '\x9C', '\xB2', ' ', '\xE9', '\x9D', '\xA2', /* 軍 那 配 里 開 雷 露 面 */ + ' ', '\xE9', '\xA1', '\xBE', /* 顾 */ + '\0', + '\xE4', '\xB8', '\xAA', ' ', '\xE4', '\xB8', '\xBA', ' ', '\xE4', '\xBA', '\xBA', ' ', '\xE4', '\xBB', '\x96', ' ', '\xE4', '\xBB', '\xA5', ' ', '\xE4', '\xBB', '\xAC', ' ', '\xE4', '\xBD', '\xA0', ' ', '\xE4', '\xBE', '\x86', /* 个 为 人 他 以 们 你 來 */ + ' ', '\xE5', '\x80', '\x8B', ' ', '\xE5', '\x80', '\x91', ' ', '\xE5', '\x88', '\xB0', ' ', '\xE5', '\x92', '\x8C', ' ', '\xE5', '\xA4', '\xA7', ' ', '\xE5', '\xAF', '\xB9', ' ', '\xE5', '\xB0', '\x8D', ' ', '\xE5', '\xB0', '\xB1', /* 個 們 到 和 大 对 對 就 */ + ' ', '\xE6', '\x88', '\x91', ' ', '\xE6', '\x97', '\xB6', ' ', '\xE6', '\x99', '\x82', ' ', '\xE6', '\x9C', '\x89', ' ', '\xE6', '\x9D', '\xA5', ' ', '\xE7', '\x82', '\xBA', ' ', '\xE8', '\xA6', '\x81', ' ', '\xE8', '\xAA', '\xAA', /* 我 时 時 有 来 為 要 說 */ + ' ', '\xE8', '\xAF', '\xB4', ' ', '|', /* 说 | */ + ' ', '\xE4', '\xB8', '\xBB', ' ', '\xE4', '\xBA', '\x9B', ' ', '\xE5', '\x9B', '\xA0', ' ', '\xE5', '\xAE', '\x83', ' ', '\xE6', '\x83', '\xB3', ' ', '\xE6', '\x84', '\x8F', ' ', '\xE7', '\x90', '\x86', ' ', '\xE7', '\x94', '\x9F', /* 主 些 因 它 想 意 理 生 */ + ' ', '\xE7', '\x95', '\xB6', ' ', '\xE7', '\x9C', '\x8B', ' ', '\xE7', '\x9D', '\x80', ' ', '\xE7', '\xBD', '\xAE', ' ', '\xE8', '\x80', '\x85', ' ', '\xE8', '\x87', '\xAA', ' ', '\xE8', '\x91', '\x97', ' ', '\xE8', '\xA3', '\xA1', /* 當 看 着 置 者 自 著 裡 */ + ' ', '\xE8', '\xBF', '\x87', ' ', '\xE8', '\xBF', '\x98', ' ', '\xE8', '\xBF', '\x9B', ' ', '\xE9', '\x80', '\xB2', ' ', '\xE9', '\x81', '\x8E', ' ', '\xE9', '\x81', '\x93', ' ', '\xE9', '\x82', '\x84', ' ', '\xE9', '\x87', '\x8C', /* 过 还 进 進 過 道 還 里 */ + ' ', '\xE9', '\x9D', '\xA2', /* 面 */ +#ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT + '\0', + ' ', '\xE4', '\xBA', '\x9B', ' ', '\xE4', '\xBB', '\xAC', ' ', '\xE4', '\xBD', '\xA0', ' ', '\xE4', '\xBE', '\x86', ' ', '\xE5', '\x80', '\x91', ' ', '\xE5', '\x88', '\xB0', ' ', '\xE5', '\x92', '\x8C', ' ', '\xE5', '\x9C', '\xB0', /* 些 们 你 來 們 到 和 地 */ + ' ', '\xE5', '\xA5', '\xB9', ' ', '\xE5', '\xB0', '\x86', ' ', '\xE5', '\xB0', '\x87', ' ', '\xE5', '\xB0', '\xB1', ' ', '\xE5', '\xB9', '\xB4', ' ', '\xE5', '\xBE', '\x97', ' ', '\xE6', '\x83', '\x85', ' ', '\xE6', '\x9C', '\x80', /* 她 将 將 就 年 得 情 最 */ + ' ', '\xE6', '\xA0', '\xB7', ' ', '\xE6', '\xA8', '\xA3', ' ', '\xE7', '\x90', '\x86', ' ', '\xE8', '\x83', '\xBD', ' ', '\xE8', '\xAA', '\xAA', ' ', '\xE8', '\xAF', '\xB4', ' ', '\xE8', '\xBF', '\x99', ' ', '\xE9', '\x80', '\x99', /* 样 樣 理 能 說 说 这 這 */ + ' ', '\xE9', '\x80', '\x9A', ' ', '|', /* 通 | */ + ' ', '\xE5', '\x8D', '\xB3', ' ', '\xE5', '\x90', '\x97', ' ', '\xE5', '\x90', '\xA7', ' ', '\xE5', '\x90', '\xAC', ' ', '\xE5', '\x91', '\xA2', ' ', '\xE5', '\x93', '\x81', ' ', '\xE5', '\x93', '\x8D', ' ', '\xE5', '\x97', '\x8E', /* 即 吗 吧 听 呢 品 响 嗎 */ + ' ', '\xE5', '\xB8', '\x88', ' ', '\xE5', '\xB8', '\xAB', ' ', '\xE6', '\x94', '\xB6', ' ', '\xE6', '\x96', '\xAD', ' ', '\xE6', '\x96', '\xB7', ' ', '\xE6', '\x98', '\x8E', ' ', '\xE7', '\x9C', '\xBC', ' ', '\xE9', '\x96', '\x93', /* 师 師 收 断 斷 明 眼 間 */ + ' ', '\xE9', '\x97', '\xB4', ' ', '\xE9', '\x99', '\x85', ' ', '\xE9', '\x99', '\x88', ' ', '\xE9', '\x99', '\x90', ' ', '\xE9', '\x99', '\xA4', ' ', '\xE9', '\x99', '\xB3', ' ', '\xE9', '\x9A', '\x8F', ' ', '\xE9', '\x9A', '\x9B', /* 间 际 陈 限 除 陳 随 際 */ + ' ', '\xE9', '\x9A', '\xA8', /* 隨 */ + '\0', + '\xE4', '\xBA', '\x8B', ' ', '\xE5', '\x89', '\x8D', ' ', '\xE5', '\xAD', '\xB8', ' ', '\xE5', '\xB0', '\x86', ' ', '\xE5', '\xB0', '\x87', ' ', '\xE6', '\x83', '\x85', ' ', '\xE6', '\x83', '\xB3', ' ', '\xE6', '\x88', '\x96', /* 事 前 學 将 將 情 想 或 */ + ' ', '\xE6', '\x94', '\xBF', ' ', '\xE6', '\x96', '\xAF', ' ', '\xE6', '\x96', '\xB0', ' ', '\xE6', '\xA0', '\xB7', ' ', '\xE6', '\xA8', '\xA3', ' ', '\xE6', '\xB0', '\x91', ' ', '\xE6', '\xB2', '\x92', ' ', '\xE6', '\xB2', '\xA1', /* 政 斯 新 样 樣 民 沒 没 */ + ' ', '\xE7', '\x84', '\xB6', ' ', '\xE7', '\x89', '\xB9', ' ', '\xE7', '\x8E', '\xB0', ' ', '\xE7', '\x8F', '\xBE', ' ', '\xE7', '\x90', '\x83', ' ', '\xE7', '\xAC', '\xAC', ' ', '\xE7', '\xB6', '\x93', ' ', '\xE8', '\xB0', '\x81', /* 然 特 现 現 球 第 經 谁 */ + ' ', '\xE8', '\xB5', '\xB7', ' ', '|', /* 起 | */ + ' ', '\xE4', '\xBE', '\x8B', ' ', '\xE5', '\x88', '\xA5', ' ', '\xE5', '\x88', '\xAB', ' ', '\xE5', '\x88', '\xB6', ' ', '\xE5', '\x8A', '\xA8', ' ', '\xE5', '\x8B', '\x95', ' ', '\xE5', '\x90', '\x97', ' ', '\xE5', '\x97', '\x8E', /* 例 別 别 制 动 動 吗 嗎 */ + ' ', '\xE5', '\xA2', '\x9E', ' ', '\xE6', '\x8C', '\x87', ' ', '\xE6', '\x98', '\x8E', ' ', '\xE6', '\x9C', '\x9D', ' ', '\xE6', '\x9C', '\x9F', ' ', '\xE6', '\x9E', '\x84', ' ', '\xE7', '\x89', '\xA9', ' ', '\xE7', '\xA1', '\xAE', /* 增 指 明 朝 期 构 物 确 */ + ' ', '\xE7', '\xA7', '\x8D', ' ', '\xE8', '\xAA', '\xBF', ' ', '\xE8', '\xB0', '\x83', ' ', '\xE8', '\xB2', '\xBB', ' ', '\xE8', '\xB4', '\xB9', ' ', '\xE9', '\x82', '\xA3', ' ', '\xE9', '\x83', '\xBD', ' ', '\xE9', '\x96', '\x93', /* 种 調 调 費 费 那 都 間 */ + ' ', '\xE9', '\x97', '\xB4', /* 间 */ +#endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */ +#endif /* AF_CONFIG_OPTION_CJK */ + '\0', + + }; + + + /* stringsets are specific to styles */ + FT_LOCAL_ARRAY_DEF( AF_Blue_StringRec ) + af_blue_stringsets[] = + { + /* */ + { AF_BLUE_STRING_ADLAM_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_ADLAM_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_ADLAM_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_ADLAM_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_ARABIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_ARABIC_BOTTOM, 0 }, + { AF_BLUE_STRING_ARABIC_JOIN, AF_BLUE_PROPERTY_LATIN_NEUTRAL }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_ARMENIAN_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_ARMENIAN_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_ARMENIAN_SMALL_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_ARMENIAN_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_ARMENIAN_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_ARMENIAN_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_AVESTAN_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_AVESTAN_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_BAMUM_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_BAMUM_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_BENGALI_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_BENGALI_HEAD, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_BENGALI_BASE, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_NEUTRAL | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_BENGALI_BASE, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_BUHID_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_BUHID_LARGE, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_BUHID_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_BUHID_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_CHAKMA_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CHAKMA_BOTTOM, 0 }, + { AF_BLUE_STRING_CHAKMA_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_CANADIAN_SYLLABICS_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CANADIAN_SYLLABICS_BOTTOM, 0 }, + { AF_BLUE_STRING_CANADIAN_SYLLABICS_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_CANADIAN_SYLLABICS_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_CANADIAN_SYLLABICS_SUPS_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CANADIAN_SYLLABICS_SUPS_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_CARIAN_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CARIAN_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_CHEROKEE_CAPITAL, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CHEROKEE_CAPITAL, 0 }, + { AF_BLUE_STRING_CHEROKEE_SMALL_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CHEROKEE_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_CHEROKEE_SMALL, 0 }, + { AF_BLUE_STRING_CHEROKEE_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_COPTIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_COPTIC_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_COPTIC_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_COPTIC_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_CYPRIOT_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CYPRIOT_BOTTOM, 0 }, + { AF_BLUE_STRING_CYPRIOT_SMALL, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CYPRIOT_SMALL, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_CYRILLIC_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_CYRILLIC_SMALL, 0 }, + { AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_DEVANAGARI_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_DEVANAGARI_HEAD, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_DEVANAGARI_BASE, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_NEUTRAL | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_DEVANAGARI_BASE, 0 }, + { AF_BLUE_STRING_DEVANAGARI_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_DESERET_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_DESERET_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_DESERET_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_DESERET_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_ETHIOPIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_ETHIOPIC_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_BOTTOM, 0 }, + { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_BOTTOM, 0 }, + { AF_BLUE_STRING_GEORGIAN_NUSKHURI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_GEORGIAN_NUSKHURI_BOTTOM, 0 }, + { AF_BLUE_STRING_GEORGIAN_NUSKHURI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GEORGIAN_NUSKHURI_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_GLAGOLITIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GLAGOLITIC_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_GLAGOLITIC_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_GLAGOLITIC_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_GOTHIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GOTHIC_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_GREEK_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_GREEK_SMALL_BETA_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GREEK_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_GREEK_SMALL, 0 }, + { AF_BLUE_STRING_GREEK_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_GUJARATI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_GUJARATI_BOTTOM, 0 }, + { AF_BLUE_STRING_GUJARATI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GUJARATI_DESCENDER, 0 }, + { AF_BLUE_STRING_GUJARATI_DIGIT_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_GURMUKHI_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GURMUKHI_HEAD, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_GURMUKHI_BASE, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_NEUTRAL | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_GURMUKHI_BOTTOM, 0 }, + { AF_BLUE_STRING_GURMUKHI_DIGIT_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_HEBREW_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_LONG }, + { AF_BLUE_STRING_HEBREW_BOTTOM, 0 }, + { AF_BLUE_STRING_HEBREW_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_KAYAH_LI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_KAYAH_LI_BOTTOM, 0 }, + { AF_BLUE_STRING_KAYAH_LI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_KAYAH_LI_DESCENDER, 0 }, + { AF_BLUE_STRING_KAYAH_LI_LARGE_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_KHMER_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_KHMER_SUBSCRIPT_TOP, AF_BLUE_PROPERTY_LATIN_SUB_TOP }, + { AF_BLUE_STRING_KHMER_BOTTOM, 0 }, + { AF_BLUE_STRING_KHMER_DESCENDER, 0 }, + { AF_BLUE_STRING_KHMER_LARGE_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_KHMER_SYMBOLS_WAXING_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_KHMER_SYMBOLS_WANING_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_KANNADA_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_KANNADA_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_LAO_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_LAO_BOTTOM, 0 }, + { AF_BLUE_STRING_LAO_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LAO_LARGE_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LAO_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_LATIN_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_LATIN_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LATIN_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_LATIN_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_LATIN_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_LATIN_SUBS_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LATIN_SUBS_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_LATIN_SUBS_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LATIN_SUBS_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_LATIN_SUBS_SMALL, 0 }, + { AF_BLUE_STRING_LATIN_SUBS_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_LATIN_SUPS_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LATIN_SUPS_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_LATIN_SUPS_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LATIN_SUPS_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_LATIN_SUPS_SMALL, 0 }, + { AF_BLUE_STRING_LATIN_SUPS_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_LISU_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LISU_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_MALAYALAM_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_MALAYALAM_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_MYANMAR_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_MYANMAR_BOTTOM, 0 }, + { AF_BLUE_STRING_MYANMAR_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_MYANMAR_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_NKO_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_NKO_BOTTOM, 0 }, + { AF_BLUE_STRING_NKO_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_NKO_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_OL_CHIKI, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_OL_CHIKI, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_OLD_TURKIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_OLD_TURKIC_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_OSAGE_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_OSAGE_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_OSAGE_CAPITAL_DESCENDER, 0 }, + { AF_BLUE_STRING_OSAGE_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_OSAGE_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_OSAGE_SMALL_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_OSAGE_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_OSMANYA_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_OSMANYA_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_SAURASHTRA_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_SAURASHTRA_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_SHAVIAN_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_SHAVIAN_BOTTOM, 0 }, + { AF_BLUE_STRING_SHAVIAN_DESCENDER, 0 }, + { AF_BLUE_STRING_SHAVIAN_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_SHAVIAN_SMALL_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_SINHALA_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_SINHALA_BOTTOM, 0 }, + { AF_BLUE_STRING_SINHALA_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_SUNDANESE_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_SUNDANESE_BOTTOM, 0 }, + { AF_BLUE_STRING_SUNDANESE_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_TAMIL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_TAMIL_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_TAI_VIET_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_TAI_VIET_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_TELUGU_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_TELUGU_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_TIFINAGH, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_TIFINAGH, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_THAI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_THAI_BOTTOM, 0 }, + { AF_BLUE_STRING_THAI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_THAI_LARGE_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_THAI_DESCENDER, 0 }, + { AF_BLUE_STRING_THAI_LARGE_DESCENDER, 0 }, + { AF_BLUE_STRING_THAI_DIGIT_TOP, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_VAI_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_VAI_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, +#ifdef AF_CONFIG_OPTION_CJK + { AF_BLUE_STRING_CJK_TOP, AF_BLUE_PROPERTY_CJK_TOP }, + { AF_BLUE_STRING_CJK_BOTTOM, 0 }, +#ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT + { AF_BLUE_STRING_CJK_LEFT, AF_BLUE_PROPERTY_CJK_HORIZ }, + { AF_BLUE_STRING_CJK_RIGHT, AF_BLUE_PROPERTY_CJK_HORIZ | + AF_BLUE_PROPERTY_CJK_RIGHT }, +#endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */ + { AF_BLUE_STRING_MAX, 0 }, +#endif /* AF_CONFIG_OPTION_CJK */ + + }; + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.cin b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.cin new file mode 100644 index 00000000000..4913e2eb6f2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.cin @@ -0,0 +1,39 @@ +/***************************************************************************/ +/* */ +/* afblue.c */ +/* */ +/* Auto-fitter data for blue strings (body). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "aftypes.h" + + + FT_LOCAL_ARRAY_DEF( char ) + af_blue_strings[] = + { + /* */ +@AF_BLUE_STRINGS_ARRAY@ + }; + + + /* stringsets are specific to styles */ + FT_LOCAL_ARRAY_DEF( AF_Blue_StringRec ) + af_blue_stringsets[] = + { + /* */ +@AF_BLUE_STRINGSETS_ARRAY@ + }; + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.dat b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.dat new file mode 100644 index 00000000000..d3cc4284b87 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.dat @@ -0,0 +1,1066 @@ +// afblue.dat +// +// Auto-fitter data for blue strings. +// +// Copyright 2013-2018 by +// David Turner, Robert Wilhelm, and Werner Lemberg. +// +// This file is part of the FreeType project, and may only be used, +// modified, and distributed under the terms of the FreeType project +// license, LICENSE.TXT. By continuing to use, modify, or distribute +// this file you indicate that you have read the license and +// understand and accept it fully. + + +// This file contains data specific to blue zones. It gets processed by +// a script to simulate `jagged arrays', with enumeration values holding +// offsets into the arrays. +// +// The format of the file is rather simple: A section starts with three +// labels separated by whitespace and followed by a colon (everything in a +// single line); the first label gives the name of the enumeration template, +// the second the name of the array template, and the third the name of the +// `maximum' template. The script then fills the corresponding templates +// (indicated by `@' characters around the name). +// +// A section contains one or more data records. Each data record consists +// of two or more lines. The first line holds the enumeration name, and the +// remaining lines the corresponding array data. +// +// There are two possible representations for array data. +// +// - A string of characters or character clusters (for example, representing +// Aksharas, Devanagari syllables) in UTF-8 encoding enclosed in double +// quotes, using C syntax, where the elements are separated by spaces. +// There can be only one string per line, thus the starting and ending +// double quote must be the first and last character in the line, +// respectively, ignoring whitespace before and after the string. If +// there are multiple strings (in multiple lines), they are concatenated +// to a single string. In the output, a string gets represented as a +// series of singles bytes, followed by a zero byte. The enumeration +// values simply hold byte offsets to the start of the corresponding +// strings. +// +// For strings, the `maximum' template holds the maximum number of +// non-space characters in all strings. +// +// - Data blocks enclosed in balanced braces, which get copied verbatim and +// which can span multiple lines. The opening brace of a block must be +// the first character of a line (ignoring whitespace), and the closing +// brace the last (ignoring whitespace also). The script appends a comma +// character after each block and counts the number of blocks to set the +// enumeration values. +// +// For data blocks, the `maximum' template holds the maximum number of +// array elements. +// +// A section can contain either strings only or data blocks only. +// +// A comment line starts with `//'; it gets removed. A preprocessor +// directive line (using the standard syntax of `cpp') starts with `#' and +// gets copied verbatim to both the enumeration and the array. Whitespace +// outside of a string is insignificant. +// +// Preprocessor directives are ignored while the script computes maximum +// values; this essentially means that the maximum values can easily be too +// large. Given that the purpose of those values is to create local +// fixed-size arrays at compile time for further processing of the blue zone +// data, this isn't a problem. Note the final zero byte of a string is not +// counted. Note also that the count holds the number of UTF-8 encoded +// characters, not bytes. + + +// The blue zone string data, to be used in the blue stringsets below. + +AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN: + + AF_BLUE_STRING_ADLAM_CAPITAL_TOP + "𞤌 𞤅 𞤈 𞤏 𞤔 𞤚" + AF_BLUE_STRING_ADLAM_CAPITAL_BOTTOM + "𞤂 𞤖" + AF_BLUE_STRING_ADLAM_SMALL_TOP + "𞤬 𞤮 𞤻 𞤼 𞤾" + AF_BLUE_STRING_ADLAM_SMALL_BOTTOM + "𞤤 𞤨 𞤩 𞤭 𞤴 𞤸 𞤺 𞥀" + + AF_BLUE_STRING_ARABIC_TOP + "ا إ ل ك ط ظ" + AF_BLUE_STRING_ARABIC_BOTTOM + "ت ث ط ظ ك" + // We don't necessarily have access to medial forms via Unicode in case + // Arabic presentational forms are missing. The only character that is + // guaranteed to have the same vertical position with joining (this is, + // non-isolated) forms is U+0640, ARABIC TATWEEL, which must join both + // round and flat curves. + AF_BLUE_STRING_ARABIC_JOIN + "ـ" + + AF_BLUE_STRING_ARMENIAN_CAPITAL_TOP + "Ա Մ Ւ Ս Բ Գ Դ Օ" + AF_BLUE_STRING_ARMENIAN_CAPITAL_BOTTOM + "Ւ Ո Դ Ճ Շ Ս Տ Օ" + AF_BLUE_STRING_ARMENIAN_SMALL_ASCENDER + "ե է ի մ վ ֆ ճ" + AF_BLUE_STRING_ARMENIAN_SMALL_TOP + "ա յ ւ ս գ շ ր օ" + AF_BLUE_STRING_ARMENIAN_SMALL_BOTTOM + "հ ո ճ ա ե ծ ս օ" + AF_BLUE_STRING_ARMENIAN_SMALL_DESCENDER + "բ ը ի լ ղ պ փ ց" + + AF_BLUE_STRING_AVESTAN_TOP + "𐬀 𐬁 𐬐 𐬛" + AF_BLUE_STRING_AVESTAN_BOTTOM + "𐬀 𐬁" + + AF_BLUE_STRING_BAMUM_TOP + "ꚧ ꚨ ꛛ ꛉ ꛁ ꛈ ꛫ ꛯ" + AF_BLUE_STRING_BAMUM_BOTTOM + "ꚭ ꚳ ꚶ ꛬ ꚢ ꚽ ꛯ ꛲" + + AF_BLUE_STRING_BENGALI_BASE + "অ ড ত ন ব ভ ল ক" + AF_BLUE_STRING_BENGALI_TOP + "ই ট ঠ ি ী ৈ ৗ" + AF_BLUE_STRING_BENGALI_HEAD + "ও এ ড ত ন ব ল ক" + + AF_BLUE_STRING_BUHID_TOP + "ᝐ ᝈ" + AF_BLUE_STRING_BUHID_LARGE + "ᝅ ᝊ ᝎ" + AF_BLUE_STRING_BUHID_SMALL + "ᝂ ᝃ ᝉ ᝌ" + AF_BLUE_STRING_BUHID_BOTTOM + "ᝀ ᝃ ᝆ ᝉ ᝋ ᝏ ᝑ" + + AF_BLUE_STRING_CANADIAN_SYLLABICS_TOP + "ᗜ ᖴ ᐁ ᒣ ᑫ ᑎ ᔑ ᗰ" + AF_BLUE_STRING_CANADIAN_SYLLABICS_BOTTOM + "ᗶ ᖵ ᒧ ᐃ ᑌ ᒍ ᔑ ᗢ" + AF_BLUE_STRING_CANADIAN_SYLLABICS_SMALL_TOP + "ᓓ ᓕ ᓀ ᓂ ᓄ ᕄ ᕆ ᘣ" + AF_BLUE_STRING_CANADIAN_SYLLABICS_SMALL_BOTTOM + "ᕃ ᓂ ᓀ ᕂ ᓗ ᓚ ᕆ ᘣ" + AF_BLUE_STRING_CANADIAN_SYLLABICS_SUPS_TOP + "ᐪ ᙆ ᣘ ᐢ ᒾ ᣗ ᔆ" + AF_BLUE_STRING_CANADIAN_SYLLABICS_SUPS_BOTTOM + "ᙆ ᗮ ᒻ ᐞ ᔆ ᒡ ᒢ ᓑ" + + AF_BLUE_STRING_CARIAN_TOP + "𐊧 𐊫 𐊬 𐊭 𐊱 𐊺 𐊼 𐊿" + AF_BLUE_STRING_CARIAN_BOTTOM + "𐊣 𐊧 𐊷 𐋀 𐊫 𐊸 𐋉" + + AF_BLUE_STRING_CHAKMA_TOP + "𑄃 𑄅 𑄉 𑄙 𑄗" + AF_BLUE_STRING_CHAKMA_BOTTOM + "𑄅 𑄛 𑄝 𑄗 𑄓" + AF_BLUE_STRING_CHAKMA_DESCENDER + "𑄖𑄳𑄢 𑄘𑄳𑄢 𑄙𑄳𑄢 𑄤𑄳𑄢 𑄥𑄳𑄢" + + AF_BLUE_STRING_CHEROKEE_CAPITAL + "Ꮖ Ꮋ Ꭼ Ꮓ Ꭴ Ꮳ Ꭶ Ꮥ" + AF_BLUE_STRING_CHEROKEE_SMALL_ASCENDER + "ꮒ ꮤ ꮶ ꭴ ꭾ ꮗ ꮝ ꮿ" + AF_BLUE_STRING_CHEROKEE_SMALL + "ꮖ ꭼ ꮓ ꮠ ꮳ ꭶ ꮥ ꮻ" + AF_BLUE_STRING_CHEROKEE_SMALL_DESCENDER + "ᏸ ꮐ ꭹ ꭻ" + + AF_BLUE_STRING_COPTIC_CAPITAL_TOP + "Ⲍ Ⲏ Ⲡ Ⳟ Ⲟ Ⲑ Ⲥ Ⳋ" + AF_BLUE_STRING_COPTIC_CAPITAL_BOTTOM + "Ⳑ Ⳙ Ⳟ Ⲏ Ⲟ Ⲑ Ⳝ Ⲱ" + AF_BLUE_STRING_COPTIC_SMALL_TOP + "ⲍ ⲏ ⲡ ⳟ ⲟ ⲑ ⲥ ⳋ" + AF_BLUE_STRING_COPTIC_SMALL_BOTTOM + "ⳑ ⳙ ⳟ ⲏ ⲟ ⲑ ⳝ Ⳓ" + + AF_BLUE_STRING_CYPRIOT_TOP + "𐠍 𐠙 𐠳 𐠱 𐠅 𐠓 𐠣 𐠦" + AF_BLUE_STRING_CYPRIOT_BOTTOM + "𐠃 𐠊 𐠛 𐠣 𐠳 𐠵 𐠐" + AF_BLUE_STRING_CYPRIOT_SMALL + "𐠈 𐠏 𐠖" + + AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP + "Б В Е П З О С Э" + AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM + "Б В Е Ш З О С Э" + AF_BLUE_STRING_CYRILLIC_SMALL + "х п н ш е з о с" + AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER + "р у ф" + + AF_BLUE_STRING_DESERET_CAPITAL_TOP + "𐐂 𐐄 𐐋 𐐗 𐐑" + AF_BLUE_STRING_DESERET_CAPITAL_BOTTOM + "𐐀 𐐂 𐐄 𐐗 𐐛" + AF_BLUE_STRING_DESERET_SMALL_TOP + "𐐪 𐐬 𐐳 𐐿 𐐹" + AF_BLUE_STRING_DESERET_SMALL_BOTTOM + "𐐨 𐐪 𐐬 𐐿 𐑃" + + AF_BLUE_STRING_DEVANAGARI_BASE + "क म अ आ थ ध भ श" + AF_BLUE_STRING_DEVANAGARI_TOP + "ई ऐ ओ औ ि ी ो ौ" + // note that some fonts have extreme variation in the height of the + // round head elements; for this reason we also define the `base' + // blue zone, which must be always present + AF_BLUE_STRING_DEVANAGARI_HEAD + "क म अ आ थ ध भ श" + AF_BLUE_STRING_DEVANAGARI_BOTTOM + "ु ृ" + + AF_BLUE_STRING_ETHIOPIC_TOP + "ሀ ሃ ዘ ፐ ማ በ ዋ ዐ" + AF_BLUE_STRING_ETHIOPIC_BOTTOM + "ለ ሐ በ ዘ ሀ ሪ ዐ ጨ" + + AF_BLUE_STRING_GEORGIAN_MKHEDRULI_TOP + "გ დ ე ვ თ ი ო ღ" + AF_BLUE_STRING_GEORGIAN_MKHEDRULI_BOTTOM + "ა ზ მ ს შ ძ ხ პ" + AF_BLUE_STRING_GEORGIAN_MKHEDRULI_ASCENDER + "ს ხ ქ ზ მ შ ჩ წ" + AF_BLUE_STRING_GEORGIAN_MKHEDRULI_DESCENDER + "ე ვ ჟ ტ უ ფ ქ ყ" + + AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_TOP + "Ⴑ Ⴇ Ⴙ Ⴜ Ⴄ Ⴅ Ⴓ Ⴚ" + AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_BOTTOM + "Ⴄ Ⴅ Ⴇ Ⴈ Ⴆ Ⴑ Ⴊ Ⴋ" + + AF_BLUE_STRING_GEORGIAN_NUSKHURI_TOP + "ⴁ ⴗ ⴂ ⴄ ⴅ ⴇ ⴔ ⴖ" + AF_BLUE_STRING_GEORGIAN_NUSKHURI_BOTTOM + "ⴈ ⴌ ⴖ ⴎ ⴃ ⴆ ⴋ ⴢ" + AF_BLUE_STRING_GEORGIAN_NUSKHURI_ASCENDER + "ⴐ ⴑ ⴓ ⴕ ⴙ ⴛ ⴡ ⴣ" + AF_BLUE_STRING_GEORGIAN_NUSKHURI_DESCENDER + "ⴄ ⴅ ⴔ ⴕ ⴁ ⴂ ⴘ ⴝ" + + AF_BLUE_STRING_GLAGOLITIC_CAPITAL_TOP + "Ⰵ Ⱄ Ⱚ Ⰴ Ⰲ Ⰺ Ⱛ Ⰻ" + AF_BLUE_STRING_GLAGOLITIC_CAPITAL_BOTTOM + "Ⰵ Ⰴ Ⰲ Ⱚ Ⱎ Ⱑ Ⰺ Ⱄ" + AF_BLUE_STRING_GLAGOLITIC_SMALL_TOP + "ⰵ ⱄ ⱚ ⰴ ⰲ ⰺ ⱛ ⰻ" + AF_BLUE_STRING_GLAGOLITIC_SMALL_BOTTOM + "ⰵ ⰴ ⰲ ⱚ ⱎ ⱑ ⰺ ⱄ" + + AF_BLUE_STRING_GOTHIC_TOP + "𐌲 𐌶 𐍀 𐍄 𐌴 𐍃 𐍈 𐌾" + AF_BLUE_STRING_GOTHIC_BOTTOM + "𐌶 𐌴 𐍃 𐍈" + + AF_BLUE_STRING_GREEK_CAPITAL_TOP + "Γ Β Ε Ζ Θ Ο Ω" + AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM + "Β Δ Ζ Ξ Θ Ο" + AF_BLUE_STRING_GREEK_SMALL_BETA_TOP + "β θ δ ζ λ ξ" + AF_BLUE_STRING_GREEK_SMALL + "α ε ι ο π σ τ ω" + AF_BLUE_STRING_GREEK_SMALL_DESCENDER + "β γ η μ ρ φ χ ψ" + + AF_BLUE_STRING_GUJARATI_TOP + "ત ન ઋ ઌ છ ટ ર ૦" + AF_BLUE_STRING_GUJARATI_BOTTOM + "ખ ગ ઘ ઞ ઇ ઈ ઠ જ" + AF_BLUE_STRING_GUJARATI_ASCENDER + "ઈ ઊ િ ી લી શ્ચિ જિ સી" + AF_BLUE_STRING_GUJARATI_DESCENDER + "ુ ૃ ૄ ખુ છૃ છૄ" + AF_BLUE_STRING_GUJARATI_DIGIT_TOP + "૦ ૧ ૨ ૩ ૭" + + AF_BLUE_STRING_GURMUKHI_BASE + "ਕ ਗ ਙ ਚ ਜ ਤ ਧ ਸ" + AF_BLUE_STRING_GURMUKHI_HEAD + "ਕ ਗ ਙ ਚ ਜ ਤ ਧ ਸ" + AF_BLUE_STRING_GURMUKHI_TOP + "ਇ ਈ ਉ ਏ ਓ ੳ ਿ ੀ" + AF_BLUE_STRING_GURMUKHI_BOTTOM + "ਅ ਏ ਓ ਗ ਜ ਠ ਰ ਸ" + AF_BLUE_STRING_GURMUKHI_DIGIT_TOP + "੦ ੧ ੨ ੩ ੭" + + AF_BLUE_STRING_HEBREW_TOP + "ב ד ה ח ך כ ם ס" + AF_BLUE_STRING_HEBREW_BOTTOM + "ב ט כ ם ס צ" + AF_BLUE_STRING_HEBREW_DESCENDER + "ק ך ן ף ץ" + + AF_BLUE_STRING_KANNADA_TOP + "ಇ ಊ ಐ ಣ ಸಾ ನಾ ದಾ ರಾ" + AF_BLUE_STRING_KANNADA_BOTTOM + "ಅ ಉ ಎ ಲ ೦ ೨ ೬ ೭" + + AF_BLUE_STRING_KAYAH_LI_TOP + "꤅ ꤏ ꤁ ꤋ ꤀ ꤍ" + AF_BLUE_STRING_KAYAH_LI_BOTTOM + "꤈ ꤘ ꤀ ꤍ ꤢ" + AF_BLUE_STRING_KAYAH_LI_ASCENDER + "ꤖ ꤡ" + AF_BLUE_STRING_KAYAH_LI_DESCENDER + "ꤑ ꤜ ꤞ" + AF_BLUE_STRING_KAYAH_LI_LARGE_DESCENDER + "ꤑ꤬ ꤜ꤭ ꤔ꤬" + + AF_BLUE_STRING_KHMER_TOP + "ខ ទ ន ឧ ឩ ា" + AF_BLUE_STRING_KHMER_SUBSCRIPT_TOP + "ក្ក ក្ខ ក្គ ក្ថ" + AF_BLUE_STRING_KHMER_BOTTOM + "ខ ឃ ច ឋ ប ម យ ឲ" + AF_BLUE_STRING_KHMER_DESCENDER + "ត្រ រៀ ឲ្យ អឿ" + AF_BLUE_STRING_KHMER_LARGE_DESCENDER + "ន្ត្រៃ ង្ខ្យ ក្បៀ ច្រៀ ន្តឿ ល្បឿ" + + AF_BLUE_STRING_KHMER_SYMBOLS_WAXING_TOP + "᧠ ᧡" + AF_BLUE_STRING_KHMER_SYMBOLS_WANING_BOTTOM + "᧶ ᧹" + + AF_BLUE_STRING_LAO_TOP + "າ ດ ອ ມ ລ ວ ຣ ງ" + AF_BLUE_STRING_LAO_BOTTOM + "າ ອ ບ ຍ ຣ ຮ ວ ຢ" + AF_BLUE_STRING_LAO_ASCENDER + "ປ ຢ ຟ ຝ" + AF_BLUE_STRING_LAO_LARGE_ASCENDER + "ໂ ໄ ໃ" + AF_BLUE_STRING_LAO_DESCENDER + "ງ ຊ ຖ ຽ ໆ ຯ" + + AF_BLUE_STRING_LATIN_CAPITAL_TOP + "T H E Z O C Q S" + AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM + "H E Z L O C U S" + AF_BLUE_STRING_LATIN_SMALL_F_TOP + "f i j k d b h" + AF_BLUE_STRING_LATIN_SMALL_TOP + "u v x z o e s c" + AF_BLUE_STRING_LATIN_SMALL_BOTTOM + "n r x z o e s c" + AF_BLUE_STRING_LATIN_SMALL_DESCENDER + "p q g j y" + + // we assume that both the subscript and superscript ranges + // don't contain oldstyle digits (actually, most fonts probably + // have digits only in those ranges) + AF_BLUE_STRING_LATIN_SUBS_CAPITAL_TOP + "₀ ₃ ₅ ₇ ₈" + AF_BLUE_STRING_LATIN_SUBS_CAPITAL_BOTTOM + "₀ ₁ ₂ ₃ ₈" + AF_BLUE_STRING_LATIN_SUBS_SMALL_F_TOP + "ᵢ ⱼ ₕ ₖ ₗ" + AF_BLUE_STRING_LATIN_SUBS_SMALL + "ₐ ₑ ₒ ₓ ₙ ₛ ᵥ ᵤ ᵣ" + AF_BLUE_STRING_LATIN_SUBS_SMALL_DESCENDER + "ᵦ ᵧ ᵨ ᵩ ₚ" + + AF_BLUE_STRING_LATIN_SUPS_CAPITAL_TOP + "⁰ ³ ⁵ ⁷ ᵀ ᴴ ᴱ ᴼ" + AF_BLUE_STRING_LATIN_SUPS_CAPITAL_BOTTOM + "⁰ ¹ ² ³ ᴱ ᴸ ᴼ ᵁ" + AF_BLUE_STRING_LATIN_SUPS_SMALL_F_TOP + "ᵇ ᵈ ᵏ ʰ ʲ ᶠ ⁱ" + AF_BLUE_STRING_LATIN_SUPS_SMALL + "ᵉ ᵒ ʳ ˢ ˣ ᶜ ᶻ" + AF_BLUE_STRING_LATIN_SUPS_SMALL_DESCENDER + "ᵖ ʸ ᵍ" + + AF_BLUE_STRING_LISU_TOP + "ꓡ ꓧ ꓱ ꓶ ꓩ ꓚ ꓵ ꓳ" + AF_BLUE_STRING_LISU_BOTTOM + "ꓕ ꓜ ꓞ ꓡ ꓛ ꓢ ꓳ ꓴ" + + AF_BLUE_STRING_MALAYALAM_TOP + "ഒ ട ഠ റ ച പ ച്ച പ്പ" + AF_BLUE_STRING_MALAYALAM_BOTTOM + "ട ഠ ധ ശ ഘ ച ഥ ല" + + AF_BLUE_STRING_MYANMAR_TOP + "ခ ဂ င ဒ ဝ ၥ ၊ ။" + AF_BLUE_STRING_MYANMAR_BOTTOM + "င ဎ ဒ ပ ဗ ဝ ၊ ။" + AF_BLUE_STRING_MYANMAR_ASCENDER + "ဩ ြ ၍ ၏ ၆ ါ ိ" + AF_BLUE_STRING_MYANMAR_DESCENDER + "ဉ ည ဥ ဩ ဨ ၂ ၅ ၉" + + AF_BLUE_STRING_NKO_TOP + "ߐ ߉ ߒ ߟ ߖ ߜ ߠ ߥ" + AF_BLUE_STRING_NKO_BOTTOM + "߀ ߘ ߡ ߠ ߥ" + AF_BLUE_STRING_NKO_SMALL_TOP + "ߏ ߛ ߋ" + AF_BLUE_STRING_NKO_SMALL_BOTTOM + "ߎ ߏ ߛ ߋ" + + AF_BLUE_STRING_OL_CHIKI + "ᱛ ᱜ ᱝ ᱡ ᱢ ᱥ" + + AF_BLUE_STRING_OLD_TURKIC_TOP + "𐰗 𐰘 𐰧" + AF_BLUE_STRING_OLD_TURKIC_BOTTOM + "𐰉 𐰗 𐰦 𐰧" + + AF_BLUE_STRING_OSAGE_CAPITAL_TOP + "𐒾 𐓍 𐓒 𐓓 𐒻 𐓂 𐒵 𐓆" + AF_BLUE_STRING_OSAGE_CAPITAL_BOTTOM + "𐒰 𐓍 𐓂 𐒿 𐓎 𐒹" + AF_BLUE_STRING_OSAGE_CAPITAL_DESCENDER + "𐒼 𐒽 𐒾" + AF_BLUE_STRING_OSAGE_SMALL_TOP + "𐓵 𐓶 𐓺 𐓻 𐓝 𐓣 𐓪 𐓮" + AF_BLUE_STRING_OSAGE_SMALL_BOTTOM + "𐓘 𐓚 𐓣 𐓵 𐓡 𐓧 𐓪 𐓶" + AF_BLUE_STRING_OSAGE_SMALL_ASCENDER + "𐓤 𐓦 𐓸 𐓹 𐓛" + AF_BLUE_STRING_OSAGE_SMALL_DESCENDER + "𐓤 𐓥 𐓦" + + AF_BLUE_STRING_OSMANYA_TOP + "𐒆 𐒉 𐒐 𐒒 𐒘 𐒛 𐒠 𐒣" + AF_BLUE_STRING_OSMANYA_BOTTOM + "𐒀 𐒂 𐒆 𐒈 𐒊 𐒒 𐒠 𐒩" + + AF_BLUE_STRING_SAURASHTRA_TOP + "ꢜ ꢞ ꢳ ꢂ ꢖ ꢒ ꢝ ꢛ" + AF_BLUE_STRING_SAURASHTRA_BOTTOM + "ꢂ ꢨ ꢺ ꢤ ꢎ" + + AF_BLUE_STRING_SHAVIAN_TOP + "𐑕 𐑙" + AF_BLUE_STRING_SHAVIAN_BOTTOM + "𐑔 𐑖 𐑗 𐑹 𐑻" + AF_BLUE_STRING_SHAVIAN_DESCENDER + "𐑟 𐑣" + AF_BLUE_STRING_SHAVIAN_SMALL_TOP + "𐑱 𐑲 𐑳 𐑴 𐑸 𐑺 𐑼" + AF_BLUE_STRING_SHAVIAN_SMALL_BOTTOM + "𐑴 𐑻 𐑹" + + AF_BLUE_STRING_SINHALA_TOP + "ඉ ක ඝ ඳ ප ය ල ෆ" + AF_BLUE_STRING_SINHALA_BOTTOM + "එ ඔ ඝ ජ ට ථ ධ ර" + AF_BLUE_STRING_SINHALA_DESCENDER + "ද ඳ උ ල තූ තු බු දු" + + AF_BLUE_STRING_SUNDANESE_TOP + "ᮋ ᮞ ᮮ ᮽ ᮰ ᮈ" + AF_BLUE_STRING_SUNDANESE_BOTTOM + "ᮄ ᮔ ᮕ ᮗ ᮰ ᮆ ᮈ ᮉ" + AF_BLUE_STRING_SUNDANESE_DESCENDER + "ᮼ ᳄" + + AF_BLUE_STRING_TAI_VIET_TOP + "ꪆ ꪔ ꪒ ꪖ ꪫ" + AF_BLUE_STRING_TAI_VIET_BOTTOM + "ꪉ ꪫ ꪮ" + + AF_BLUE_STRING_TAMIL_TOP + "உ ஒ ஓ ற ஈ க ங ச" + AF_BLUE_STRING_TAMIL_BOTTOM + "க ச ல ஶ உ ங ட ப" + + AF_BLUE_STRING_TELUGU_TOP + "ఇ ఌ ఙ ఞ ణ ఱ ౯" + AF_BLUE_STRING_TELUGU_BOTTOM + "అ క చ ర ఽ ౨ ౬" + + AF_BLUE_STRING_THAI_TOP + "บ เ แ อ ก า" + AF_BLUE_STRING_THAI_BOTTOM + "บ ป ษ ฯ อ ย ฮ" + AF_BLUE_STRING_THAI_ASCENDER + "ป ฝ ฟ" + AF_BLUE_STRING_THAI_LARGE_ASCENDER + "โ ใ ไ" + AF_BLUE_STRING_THAI_DESCENDER + "ฎ ฏ ฤ ฦ" + AF_BLUE_STRING_THAI_LARGE_DESCENDER + "ญ ฐ" + AF_BLUE_STRING_THAI_DIGIT_TOP + "๐ ๑ ๓" + + AF_BLUE_STRING_TIFINAGH + "ⵔ ⵙ ⵛ ⵞ ⴵ ⴼ ⴹ ⵎ" + + AF_BLUE_STRING_VAI_TOP + "ꗍ ꘖ ꘙ ꘜ ꖜ ꖝ ꔅ ꕢ" + AF_BLUE_STRING_VAI_BOTTOM + "ꗍ ꘖ ꘙ ꗞ ꔅ ꕢ ꖜ ꔆ" + + +#ifdef AF_CONFIG_OPTION_CJK + + AF_BLUE_STRING_CJK_TOP + "他 们 你 來 們 到 和 地" + " 对 對 就 席 我 时 時 會" + " 来 為 能 舰 說 说 这 這" + " 齊 |" + " 军 同 已 愿 既 星 是 景" + " 民 照 现 現 理 用 置 要" + " 軍 那 配 里 開 雷 露 面" + " 顾" + AF_BLUE_STRING_CJK_BOTTOM + "个 为 人 他 以 们 你 來" + " 個 們 到 和 大 对 對 就" + " 我 时 時 有 来 為 要 說" + " 说 |" + " 主 些 因 它 想 意 理 生" + " 當 看 着 置 者 自 著 裡" + " 过 还 进 進 過 道 還 里" + " 面" + +#ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT + + AF_BLUE_STRING_CJK_LEFT + " 些 们 你 來 們 到 和 地" + " 她 将 將 就 年 得 情 最" + " 样 樣 理 能 說 说 这 這" + " 通 |" + " 即 吗 吧 听 呢 品 响 嗎" + " 师 師 收 断 斷 明 眼 間" + " 间 际 陈 限 除 陳 随 際" + " 隨" + AF_BLUE_STRING_CJK_RIGHT + "事 前 學 将 將 情 想 或" + " 政 斯 新 样 樣 民 沒 没" + " 然 特 现 現 球 第 經 谁" + " 起 |" + " 例 別 别 制 动 動 吗 嗎" + " 增 指 明 朝 期 构 物 确" + " 种 調 调 費 费 那 都 間" + " 间" + +#endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */ + +#endif /* AF_CONFIG_OPTION_CJK */ + + +// The blue zone stringsets, as used in the script styles, cf. `afstyles.h'. +// +// The AF_BLUE_PROPERTY_XXX flags are defined in `afblue.h'; here some +// explanations. +// +// A blue zone in general is defined by a reference and an overshoot line. +// During the hinting process, all coordinate values between those two lines +// are set equal to the reference value, provided that the blue zone is not +// wider than 0.75 pixels (otherwise the blue zone gets ignored). All +// entries must have `AF_BLUE_STRING_MAX' as the final line. +// +// During the glyph analysis, edges are sorted from bottom to top, and then +// sequentially checked, edge by edge, against the blue zones in the order +// given below. +// +// +// latin auto-hinter +// ----------------- +// +// Characters in a blue string are automatically classified as having a flat +// (reference) or a round (overshoot) extremum. The blue zone is then set +// up by the mean values of all flat extrema and all round extrema, +// respectively. Only horizontal blue zones (i.e., adjusting vertical +// coordinate values) are supported. +// +// Some scripts like Khmer need character composition to get all necessary +// blue zones, since Unicode only provides an abstract data model that +// doesn't represent all possible glyph shapes. For such character +// clusters, the HarfBuzz library is used to convert them into the +// corresponding glyphs. The largest glyph element (where `largest' can be +// either `largest ascender' or `largest descender') then defines the +// corresponding flat or round extremum. +// +// For the latin auto-hinter, the overshoot should be larger than the +// reference for top zones, and vice versa for bottom zones. +// +// LATIN_TOP +// Take the maximum flat and round coordinate values of the blue string +// characters for computing the blue zone's reference and overshoot +// values. +// +// If not set, take the minimum values. +// +// Mutually exclusive with `LATIN_SUB_TOP'. +// +// LATIN_SUB_TOP +// For all glyphs of a character cluster, compute the maximum flat +// and round coordinate values of each component, then take the +// smallest of the maximum values. The idea is to get the top of +// subscript glyphs, as used in Khmer, for example. Note that +// this mechanism doesn't work for ordinary ligatures. +// +// This flags indicates a secondary blue zone: It gets removed if +// there is a non-LATIN_SUB_TOP blue zone at the same coordinate +// value (after scaling). +// +// Mutually exclusive with `LATIN_TOP'. +// +// LATIN_NEUTRAL +// Ignore round extrema and define the blue zone with flat values only. +// Both top and bottom of contours can match. This is useful for +// scripts like Devanagari where vowel signs attach to the base +// character and are implemented as components of composite glyphs. +// +// If not set, both round and flat extrema are taken into account. +// Additionally, only the top or the bottom of a contour can match, +// depending on the LATIN_TOP flag. +// +// Neutral blue zones should always follow non-neutral blue zones. +// +// LATIN_X_HEIGHT +// Scale all glyphs vertically from the corresponding script to make the +// reference line of this blue zone align on the grid. The scaling +// takes place before all other blue zones get aligned to the grid. +// Only one blue character string of a script style can have this flag. +// +// LATIN_LONG +// Apply an additional constraint for blue zone values: Don't +// necessarily use the extremum as-is but a segment of the topmost (or +// bottommost) contour that is longer than a heuristic threshold, and +// which is not too far away vertically from the real extremum. This +// ensures that small bumps in the outline are ignored (for example, the +// `vertical serifs' found in many Hebrew glyph designs). +// +// The segment must be at least EM/25 font units long, and the distance +// to the extremum must be smaller than EM/4. +// +// +// cjk auto-hinter +// --------------- +// +// Characters in a blue string are *not* automatically classified. Instead, +// first come the characters used for the overshoot value, then the +// character `|', then the characters used for the reference value +// (everything separated by space characters). The blue zone is then set up +// by the mean values of all reference values and all overshoot values, +// respectively. Both horizontal and vertical blue zones (i.e., adjusting +// vertical and horizontal coordinate values, respectively) are supported. +// +// For the cjk auto-hinter, the overshoot should be smaller than the +// reference for top zones, and vice versa for bottom zones. +// +// CJK_TOP +// Take the maximum flat and round coordinate values of the blue string +// characters. If not set, take the minimum values. +// +// CJK_RIGHT +// A synonym for CJK_TOP. If CJK_HORIZ is set, this flag indicates the +// right blue zone, taking horizontal maximum values. +// +// CJK_HORIZ +// Define a blue zone for horizontal hinting (i.e., vertical blue +// zones). If not set, this is a blue zone for vertical hinting. + + +AF_BLUE_STRINGSET_ENUM AF_BLUE_STRINGSETS_ARRAY AF_BLUE_STRINGSET_MAX_LEN: + + AF_BLUE_STRINGSET_ADLM + { AF_BLUE_STRING_ADLAM_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_ADLAM_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_ADLAM_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_ADLAM_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_ARAB + { AF_BLUE_STRING_ARABIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_ARABIC_BOTTOM, 0 } + { AF_BLUE_STRING_ARABIC_JOIN, AF_BLUE_PROPERTY_LATIN_NEUTRAL } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_ARMN + { AF_BLUE_STRING_ARMENIAN_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_ARMENIAN_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_ARMENIAN_SMALL_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_ARMENIAN_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_ARMENIAN_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_ARMENIAN_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_AVST + { AF_BLUE_STRING_AVESTAN_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_AVESTAN_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_BAMU + { AF_BLUE_STRING_BAMUM_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_BAMUM_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_BENG + { AF_BLUE_STRING_BENGALI_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_BENGALI_HEAD, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_BENGALI_BASE, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_NEUTRAL | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_BENGALI_BASE, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_BUHD + { AF_BLUE_STRING_BUHID_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_BUHID_LARGE, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_BUHID_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_BUHID_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_CAKM + { AF_BLUE_STRING_CHAKMA_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CHAKMA_BOTTOM, 0 } + { AF_BLUE_STRING_CHAKMA_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_CANS + { AF_BLUE_STRING_CANADIAN_SYLLABICS_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CANADIAN_SYLLABICS_BOTTOM, 0 } + { AF_BLUE_STRING_CANADIAN_SYLLABICS_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_CANADIAN_SYLLABICS_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_CANADIAN_SYLLABICS_SUPS_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CANADIAN_SYLLABICS_SUPS_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_CARI + { AF_BLUE_STRING_CARIAN_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CARIAN_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_CHER + { AF_BLUE_STRING_CHEROKEE_CAPITAL, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CHEROKEE_CAPITAL, 0 } + { AF_BLUE_STRING_CHEROKEE_SMALL_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CHEROKEE_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_CHEROKEE_SMALL, 0 } + { AF_BLUE_STRING_CHEROKEE_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_COPT + { AF_BLUE_STRING_COPTIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_COPTIC_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_COPTIC_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_COPTIC_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_CPRT + { AF_BLUE_STRING_CYPRIOT_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CYPRIOT_BOTTOM, 0 } + { AF_BLUE_STRING_CYPRIOT_SMALL, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CYPRIOT_SMALL, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_CYRL + { AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_CYRILLIC_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_CYRILLIC_SMALL, 0 } + { AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_DEVA + { AF_BLUE_STRING_DEVANAGARI_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_DEVANAGARI_HEAD, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_DEVANAGARI_BASE, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_NEUTRAL | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_DEVANAGARI_BASE, 0 } + { AF_BLUE_STRING_DEVANAGARI_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_DSRT + { AF_BLUE_STRING_DESERET_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_DESERET_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_DESERET_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_DESERET_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_ETHI + { AF_BLUE_STRING_ETHIOPIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_ETHIOPIC_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + // blue zones for Mtavruli are missing (not yet defined in Unicode) + AF_BLUE_STRINGSET_GEOR + { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_BOTTOM, 0 } + { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GEORGIAN_MKHEDRULI_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_GEOK + { AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_BOTTOM, 0 } + { AF_BLUE_STRING_GEORGIAN_NUSKHURI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_GEORGIAN_NUSKHURI_BOTTOM, 0 } + { AF_BLUE_STRING_GEORGIAN_NUSKHURI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GEORGIAN_NUSKHURI_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_GLAG + { AF_BLUE_STRING_GLAGOLITIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GLAGOLITIC_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_GLAGOLITIC_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_GLAGOLITIC_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_GOTH + { AF_BLUE_STRING_GOTHIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GOTHIC_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_GREK + { AF_BLUE_STRING_GREEK_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_GREEK_SMALL_BETA_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GREEK_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_GREEK_SMALL, 0 } + { AF_BLUE_STRING_GREEK_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_GUJR + { AF_BLUE_STRING_GUJARATI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_GUJARATI_BOTTOM, 0 } + { AF_BLUE_STRING_GUJARATI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GUJARATI_DESCENDER, 0 } + { AF_BLUE_STRING_GUJARATI_DIGIT_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_GURU + { AF_BLUE_STRING_GURMUKHI_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GURMUKHI_HEAD, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_GURMUKHI_BASE, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_NEUTRAL | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_GURMUKHI_BOTTOM, 0 } + { AF_BLUE_STRING_GURMUKHI_DIGIT_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_HEBR + { AF_BLUE_STRING_HEBREW_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_LONG } + { AF_BLUE_STRING_HEBREW_BOTTOM, 0 } + { AF_BLUE_STRING_HEBREW_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_KALI + { AF_BLUE_STRING_KAYAH_LI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_KAYAH_LI_BOTTOM, 0 } + { AF_BLUE_STRING_KAYAH_LI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_KAYAH_LI_DESCENDER, 0 } + { AF_BLUE_STRING_KAYAH_LI_LARGE_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_KHMR + { AF_BLUE_STRING_KHMER_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_KHMER_SUBSCRIPT_TOP, AF_BLUE_PROPERTY_LATIN_SUB_TOP } + { AF_BLUE_STRING_KHMER_BOTTOM, 0 } + { AF_BLUE_STRING_KHMER_DESCENDER, 0 } + { AF_BLUE_STRING_KHMER_LARGE_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_KHMS + { AF_BLUE_STRING_KHMER_SYMBOLS_WAXING_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_KHMER_SYMBOLS_WANING_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_KNDA + { AF_BLUE_STRING_KANNADA_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_KANNADA_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_LAO + { AF_BLUE_STRING_LAO_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_LAO_BOTTOM, 0 } + { AF_BLUE_STRING_LAO_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LAO_LARGE_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LAO_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_LATN + { AF_BLUE_STRING_LATIN_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_LATIN_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LATIN_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_LATIN_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_LATIN_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_LATB + { AF_BLUE_STRING_LATIN_SUBS_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LATIN_SUBS_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_LATIN_SUBS_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LATIN_SUBS_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_LATIN_SUBS_SMALL, 0 } + { AF_BLUE_STRING_LATIN_SUBS_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_LATP + { AF_BLUE_STRING_LATIN_SUPS_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LATIN_SUPS_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_LATIN_SUPS_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LATIN_SUPS_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_LATIN_SUPS_SMALL, 0 } + { AF_BLUE_STRING_LATIN_SUPS_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_LISU + { AF_BLUE_STRING_LISU_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LISU_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_MLYM + { AF_BLUE_STRING_MALAYALAM_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_MALAYALAM_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_MYMR + { AF_BLUE_STRING_MYANMAR_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_MYANMAR_BOTTOM, 0 } + { AF_BLUE_STRING_MYANMAR_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_MYANMAR_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_NKOO + { AF_BLUE_STRING_NKO_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_NKO_BOTTOM, 0 } + { AF_BLUE_STRING_NKO_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_NKO_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_NONE + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_OLCK + { AF_BLUE_STRING_OL_CHIKI, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_OL_CHIKI, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_ORKH + { AF_BLUE_STRING_OLD_TURKIC_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_OLD_TURKIC_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_OSGE + { AF_BLUE_STRING_OSAGE_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_OSAGE_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_OSAGE_CAPITAL_DESCENDER, 0 } + { AF_BLUE_STRING_OSAGE_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_OSAGE_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_OSAGE_SMALL_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_OSAGE_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_OSMA + { AF_BLUE_STRING_OSMANYA_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_OSMANYA_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_SAUR + { AF_BLUE_STRING_SAURASHTRA_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_SAURASHTRA_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_SHAW + { AF_BLUE_STRING_SHAVIAN_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_SHAVIAN_BOTTOM, 0 } + { AF_BLUE_STRING_SHAVIAN_DESCENDER, 0 } + { AF_BLUE_STRING_SHAVIAN_SMALL_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_SHAVIAN_SMALL_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_SINH + { AF_BLUE_STRING_SINHALA_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_SINHALA_BOTTOM, 0 } + { AF_BLUE_STRING_SINHALA_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_SUND + { AF_BLUE_STRING_SUNDANESE_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_SUNDANESE_BOTTOM, 0 } + { AF_BLUE_STRING_SUNDANESE_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_TAML + { AF_BLUE_STRING_TAMIL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_TAMIL_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_TAVT + { AF_BLUE_STRING_TAI_VIET_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_TAI_VIET_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_TELU + { AF_BLUE_STRING_TELUGU_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_TELUGU_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_TFNG + { AF_BLUE_STRING_TIFINAGH, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_TIFINAGH, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_THAI + { AF_BLUE_STRING_THAI_TOP, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_THAI_BOTTOM, 0 } + { AF_BLUE_STRING_THAI_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_THAI_LARGE_ASCENDER, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_THAI_DESCENDER, 0 } + { AF_BLUE_STRING_THAI_LARGE_DESCENDER, 0 } + { AF_BLUE_STRING_THAI_DIGIT_TOP, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_VAII + { AF_BLUE_STRING_VAI_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_VAI_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + +#ifdef AF_CONFIG_OPTION_CJK + + AF_BLUE_STRINGSET_HANI + { AF_BLUE_STRING_CJK_TOP, AF_BLUE_PROPERTY_CJK_TOP } + { AF_BLUE_STRING_CJK_BOTTOM, 0 } +#ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT + { AF_BLUE_STRING_CJK_LEFT, AF_BLUE_PROPERTY_CJK_HORIZ } + { AF_BLUE_STRING_CJK_RIGHT, AF_BLUE_PROPERTY_CJK_HORIZ | + AF_BLUE_PROPERTY_CJK_RIGHT } +#endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */ + { AF_BLUE_STRING_MAX, 0 } + +#endif /* AF_CONFIG_OPTION_CJK */ + + +// END diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.h new file mode 100644 index 00000000000..56b591aa8df --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.h @@ -0,0 +1,412 @@ +/* This file has been generated by the Perl script `afblue.pl', */ +/* using data from file `afblue.dat'. */ + +/***************************************************************************/ +/* */ +/* afblue.h */ +/* */ +/* Auto-fitter data for blue strings (specification). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFBLUE_H_ +#define AFBLUE_H_ + + +FT_BEGIN_HEADER + + + /* an auxiliary macro to decode a UTF-8 character -- since we only use */ + /* hard-coded, self-converted data, no error checking is performed */ +#define GET_UTF8_CHAR( ch, p ) \ + do \ + { \ + ch = (unsigned char)*p++; \ + if ( ch >= 0x80 ) \ + { \ + FT_UInt len_; \ + \ + \ + if ( ch < 0xE0 ) \ + { \ + len_ = 1; \ + ch &= 0x1F; \ + } \ + else if ( ch < 0xF0 ) \ + { \ + len_ = 2; \ + ch &= 0x0F; \ + } \ + else \ + { \ + len_ = 3; \ + ch &= 0x07; \ + } \ + \ + for ( ; len_ > 0; len_-- ) \ + ch = ( ch << 6 ) | ( *p++ & 0x3F ); \ + } \ + } while ( 0 ) + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** B L U E S T R I N G S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* At the bottommost level, we define strings for finding blue zones. */ + + +#define AF_BLUE_STRING_MAX_LEN 51 + + /* The AF_Blue_String enumeration values are offsets into the */ + /* `af_blue_strings' array. */ + + typedef enum AF_Blue_String_ + { + AF_BLUE_STRING_ADLAM_CAPITAL_TOP = 0, + AF_BLUE_STRING_ADLAM_CAPITAL_BOTTOM = 30, + AF_BLUE_STRING_ADLAM_SMALL_TOP = 40, + AF_BLUE_STRING_ADLAM_SMALL_BOTTOM = 65, + AF_BLUE_STRING_ARABIC_TOP = 105, + AF_BLUE_STRING_ARABIC_BOTTOM = 123, + AF_BLUE_STRING_ARABIC_JOIN = 138, + AF_BLUE_STRING_ARMENIAN_CAPITAL_TOP = 141, + AF_BLUE_STRING_ARMENIAN_CAPITAL_BOTTOM = 165, + AF_BLUE_STRING_ARMENIAN_SMALL_ASCENDER = 189, + AF_BLUE_STRING_ARMENIAN_SMALL_TOP = 210, + AF_BLUE_STRING_ARMENIAN_SMALL_BOTTOM = 234, + AF_BLUE_STRING_ARMENIAN_SMALL_DESCENDER = 258, + AF_BLUE_STRING_AVESTAN_TOP = 282, + AF_BLUE_STRING_AVESTAN_BOTTOM = 302, + AF_BLUE_STRING_BAMUM_TOP = 312, + AF_BLUE_STRING_BAMUM_BOTTOM = 344, + AF_BLUE_STRING_BENGALI_BASE = 376, + AF_BLUE_STRING_BENGALI_TOP = 408, + AF_BLUE_STRING_BENGALI_HEAD = 436, + AF_BLUE_STRING_BUHID_TOP = 468, + AF_BLUE_STRING_BUHID_LARGE = 476, + AF_BLUE_STRING_BUHID_SMALL = 488, + AF_BLUE_STRING_BUHID_BOTTOM = 504, + AF_BLUE_STRING_CANADIAN_SYLLABICS_TOP = 532, + AF_BLUE_STRING_CANADIAN_SYLLABICS_BOTTOM = 564, + AF_BLUE_STRING_CANADIAN_SYLLABICS_SMALL_TOP = 596, + AF_BLUE_STRING_CANADIAN_SYLLABICS_SMALL_BOTTOM = 628, + AF_BLUE_STRING_CANADIAN_SYLLABICS_SUPS_TOP = 660, + AF_BLUE_STRING_CANADIAN_SYLLABICS_SUPS_BOTTOM = 688, + AF_BLUE_STRING_CARIAN_TOP = 720, + AF_BLUE_STRING_CARIAN_BOTTOM = 760, + AF_BLUE_STRING_CHAKMA_TOP = 795, + AF_BLUE_STRING_CHAKMA_BOTTOM = 820, + AF_BLUE_STRING_CHAKMA_DESCENDER = 845, + AF_BLUE_STRING_CHEROKEE_CAPITAL = 910, + AF_BLUE_STRING_CHEROKEE_SMALL_ASCENDER = 942, + AF_BLUE_STRING_CHEROKEE_SMALL = 974, + AF_BLUE_STRING_CHEROKEE_SMALL_DESCENDER = 1006, + AF_BLUE_STRING_COPTIC_CAPITAL_TOP = 1022, + AF_BLUE_STRING_COPTIC_CAPITAL_BOTTOM = 1054, + AF_BLUE_STRING_COPTIC_SMALL_TOP = 1086, + AF_BLUE_STRING_COPTIC_SMALL_BOTTOM = 1118, + AF_BLUE_STRING_CYPRIOT_TOP = 1150, + AF_BLUE_STRING_CYPRIOT_BOTTOM = 1190, + AF_BLUE_STRING_CYPRIOT_SMALL = 1225, + AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP = 1240, + AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM = 1264, + AF_BLUE_STRING_CYRILLIC_SMALL = 1288, + AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER = 1312, + AF_BLUE_STRING_DESERET_CAPITAL_TOP = 1321, + AF_BLUE_STRING_DESERET_CAPITAL_BOTTOM = 1346, + AF_BLUE_STRING_DESERET_SMALL_TOP = 1371, + AF_BLUE_STRING_DESERET_SMALL_BOTTOM = 1396, + AF_BLUE_STRING_DEVANAGARI_BASE = 1421, + AF_BLUE_STRING_DEVANAGARI_TOP = 1453, + AF_BLUE_STRING_DEVANAGARI_HEAD = 1485, + AF_BLUE_STRING_DEVANAGARI_BOTTOM = 1517, + AF_BLUE_STRING_ETHIOPIC_TOP = 1525, + AF_BLUE_STRING_ETHIOPIC_BOTTOM = 1557, + AF_BLUE_STRING_GEORGIAN_MKHEDRULI_TOP = 1589, + AF_BLUE_STRING_GEORGIAN_MKHEDRULI_BOTTOM = 1621, + AF_BLUE_STRING_GEORGIAN_MKHEDRULI_ASCENDER = 1653, + AF_BLUE_STRING_GEORGIAN_MKHEDRULI_DESCENDER = 1685, + AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_TOP = 1717, + AF_BLUE_STRING_GEORGIAN_ASOMTAVRULI_BOTTOM = 1749, + AF_BLUE_STRING_GEORGIAN_NUSKHURI_TOP = 1781, + AF_BLUE_STRING_GEORGIAN_NUSKHURI_BOTTOM = 1813, + AF_BLUE_STRING_GEORGIAN_NUSKHURI_ASCENDER = 1845, + AF_BLUE_STRING_GEORGIAN_NUSKHURI_DESCENDER = 1877, + AF_BLUE_STRING_GLAGOLITIC_CAPITAL_TOP = 1909, + AF_BLUE_STRING_GLAGOLITIC_CAPITAL_BOTTOM = 1941, + AF_BLUE_STRING_GLAGOLITIC_SMALL_TOP = 1973, + AF_BLUE_STRING_GLAGOLITIC_SMALL_BOTTOM = 2005, + AF_BLUE_STRING_GOTHIC_TOP = 2037, + AF_BLUE_STRING_GOTHIC_BOTTOM = 2077, + AF_BLUE_STRING_GREEK_CAPITAL_TOP = 2097, + AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM = 2118, + AF_BLUE_STRING_GREEK_SMALL_BETA_TOP = 2136, + AF_BLUE_STRING_GREEK_SMALL = 2154, + AF_BLUE_STRING_GREEK_SMALL_DESCENDER = 2178, + AF_BLUE_STRING_GUJARATI_TOP = 2202, + AF_BLUE_STRING_GUJARATI_BOTTOM = 2234, + AF_BLUE_STRING_GUJARATI_ASCENDER = 2266, + AF_BLUE_STRING_GUJARATI_DESCENDER = 2316, + AF_BLUE_STRING_GUJARATI_DIGIT_TOP = 2349, + AF_BLUE_STRING_GURMUKHI_BASE = 2369, + AF_BLUE_STRING_GURMUKHI_HEAD = 2401, + AF_BLUE_STRING_GURMUKHI_TOP = 2433, + AF_BLUE_STRING_GURMUKHI_BOTTOM = 2465, + AF_BLUE_STRING_GURMUKHI_DIGIT_TOP = 2497, + AF_BLUE_STRING_HEBREW_TOP = 2517, + AF_BLUE_STRING_HEBREW_BOTTOM = 2541, + AF_BLUE_STRING_HEBREW_DESCENDER = 2559, + AF_BLUE_STRING_KANNADA_TOP = 2574, + AF_BLUE_STRING_KANNADA_BOTTOM = 2618, + AF_BLUE_STRING_KAYAH_LI_TOP = 2650, + AF_BLUE_STRING_KAYAH_LI_BOTTOM = 2674, + AF_BLUE_STRING_KAYAH_LI_ASCENDER = 2694, + AF_BLUE_STRING_KAYAH_LI_DESCENDER = 2702, + AF_BLUE_STRING_KAYAH_LI_LARGE_DESCENDER = 2714, + AF_BLUE_STRING_KHMER_TOP = 2735, + AF_BLUE_STRING_KHMER_SUBSCRIPT_TOP = 2759, + AF_BLUE_STRING_KHMER_BOTTOM = 2799, + AF_BLUE_STRING_KHMER_DESCENDER = 2831, + AF_BLUE_STRING_KHMER_LARGE_DESCENDER = 2865, + AF_BLUE_STRING_KHMER_SYMBOLS_WAXING_TOP = 2952, + AF_BLUE_STRING_KHMER_SYMBOLS_WANING_BOTTOM = 2960, + AF_BLUE_STRING_LAO_TOP = 2968, + AF_BLUE_STRING_LAO_BOTTOM = 3000, + AF_BLUE_STRING_LAO_ASCENDER = 3032, + AF_BLUE_STRING_LAO_LARGE_ASCENDER = 3048, + AF_BLUE_STRING_LAO_DESCENDER = 3060, + AF_BLUE_STRING_LATIN_CAPITAL_TOP = 3084, + AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM = 3100, + AF_BLUE_STRING_LATIN_SMALL_F_TOP = 3116, + AF_BLUE_STRING_LATIN_SMALL_TOP = 3130, + AF_BLUE_STRING_LATIN_SMALL_BOTTOM = 3146, + AF_BLUE_STRING_LATIN_SMALL_DESCENDER = 3162, + AF_BLUE_STRING_LATIN_SUBS_CAPITAL_TOP = 3172, + AF_BLUE_STRING_LATIN_SUBS_CAPITAL_BOTTOM = 3192, + AF_BLUE_STRING_LATIN_SUBS_SMALL_F_TOP = 3212, + AF_BLUE_STRING_LATIN_SUBS_SMALL = 3232, + AF_BLUE_STRING_LATIN_SUBS_SMALL_DESCENDER = 3268, + AF_BLUE_STRING_LATIN_SUPS_CAPITAL_TOP = 3288, + AF_BLUE_STRING_LATIN_SUPS_CAPITAL_BOTTOM = 3319, + AF_BLUE_STRING_LATIN_SUPS_SMALL_F_TOP = 3348, + AF_BLUE_STRING_LATIN_SUPS_SMALL = 3374, + AF_BLUE_STRING_LATIN_SUPS_SMALL_DESCENDER = 3399, + AF_BLUE_STRING_LISU_TOP = 3410, + AF_BLUE_STRING_LISU_BOTTOM = 3442, + AF_BLUE_STRING_MALAYALAM_TOP = 3474, + AF_BLUE_STRING_MALAYALAM_BOTTOM = 3518, + AF_BLUE_STRING_MYANMAR_TOP = 3550, + AF_BLUE_STRING_MYANMAR_BOTTOM = 3582, + AF_BLUE_STRING_MYANMAR_ASCENDER = 3614, + AF_BLUE_STRING_MYANMAR_DESCENDER = 3642, + AF_BLUE_STRING_NKO_TOP = 3674, + AF_BLUE_STRING_NKO_BOTTOM = 3698, + AF_BLUE_STRING_NKO_SMALL_TOP = 3713, + AF_BLUE_STRING_NKO_SMALL_BOTTOM = 3722, + AF_BLUE_STRING_OL_CHIKI = 3734, + AF_BLUE_STRING_OLD_TURKIC_TOP = 3758, + AF_BLUE_STRING_OLD_TURKIC_BOTTOM = 3773, + AF_BLUE_STRING_OSAGE_CAPITAL_TOP = 3793, + AF_BLUE_STRING_OSAGE_CAPITAL_BOTTOM = 3833, + AF_BLUE_STRING_OSAGE_CAPITAL_DESCENDER = 3863, + AF_BLUE_STRING_OSAGE_SMALL_TOP = 3878, + AF_BLUE_STRING_OSAGE_SMALL_BOTTOM = 3918, + AF_BLUE_STRING_OSAGE_SMALL_ASCENDER = 3958, + AF_BLUE_STRING_OSAGE_SMALL_DESCENDER = 3983, + AF_BLUE_STRING_OSMANYA_TOP = 3998, + AF_BLUE_STRING_OSMANYA_BOTTOM = 4038, + AF_BLUE_STRING_SAURASHTRA_TOP = 4078, + AF_BLUE_STRING_SAURASHTRA_BOTTOM = 4110, + AF_BLUE_STRING_SHAVIAN_TOP = 4130, + AF_BLUE_STRING_SHAVIAN_BOTTOM = 4140, + AF_BLUE_STRING_SHAVIAN_DESCENDER = 4165, + AF_BLUE_STRING_SHAVIAN_SMALL_TOP = 4175, + AF_BLUE_STRING_SHAVIAN_SMALL_BOTTOM = 4210, + AF_BLUE_STRING_SINHALA_TOP = 4225, + AF_BLUE_STRING_SINHALA_BOTTOM = 4257, + AF_BLUE_STRING_SINHALA_DESCENDER = 4289, + AF_BLUE_STRING_SUNDANESE_TOP = 4333, + AF_BLUE_STRING_SUNDANESE_BOTTOM = 4357, + AF_BLUE_STRING_SUNDANESE_DESCENDER = 4389, + AF_BLUE_STRING_TAI_VIET_TOP = 4397, + AF_BLUE_STRING_TAI_VIET_BOTTOM = 4417, + AF_BLUE_STRING_TAMIL_TOP = 4429, + AF_BLUE_STRING_TAMIL_BOTTOM = 4461, + AF_BLUE_STRING_TELUGU_TOP = 4493, + AF_BLUE_STRING_TELUGU_BOTTOM = 4521, + AF_BLUE_STRING_THAI_TOP = 4549, + AF_BLUE_STRING_THAI_BOTTOM = 4573, + AF_BLUE_STRING_THAI_ASCENDER = 4601, + AF_BLUE_STRING_THAI_LARGE_ASCENDER = 4613, + AF_BLUE_STRING_THAI_DESCENDER = 4625, + AF_BLUE_STRING_THAI_LARGE_DESCENDER = 4641, + AF_BLUE_STRING_THAI_DIGIT_TOP = 4649, + AF_BLUE_STRING_TIFINAGH = 4661, + AF_BLUE_STRING_VAI_TOP = 4693, + AF_BLUE_STRING_VAI_BOTTOM = 4725, + af_blue_1_1 = 4756, +#ifdef AF_CONFIG_OPTION_CJK + AF_BLUE_STRING_CJK_TOP = af_blue_1_1 + 1, + AF_BLUE_STRING_CJK_BOTTOM = af_blue_1_1 + 203, + af_blue_1_1_1 = af_blue_1_1 + 404, +#ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT + AF_BLUE_STRING_CJK_LEFT = af_blue_1_1_1 + 1, + AF_BLUE_STRING_CJK_RIGHT = af_blue_1_1_1 + 204, + af_blue_1_1_2 = af_blue_1_1_1 + 405, +#else + af_blue_1_1_2 = af_blue_1_1_1 + 0, +#endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */ + af_blue_1_2 = af_blue_1_1_2 + 0, +#else + af_blue_1_2 = af_blue_1_1 + 0, +#endif /* AF_CONFIG_OPTION_CJK */ + + + AF_BLUE_STRING_MAX /* do not remove */ + + } AF_Blue_String; + + + FT_LOCAL_ARRAY( char ) + af_blue_strings[]; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** B L U E S T R I N G S E T S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* The next level is to group blue strings into style-specific sets. */ + + + /* Properties are specific to a writing system. We assume that a given */ + /* blue string can't be used in more than a single writing system, which */ + /* is a safe bet. */ +#define AF_BLUE_PROPERTY_LATIN_TOP ( 1U << 0 ) /* must have value 1 */ +#define AF_BLUE_PROPERTY_LATIN_SUB_TOP ( 1U << 1 ) +#define AF_BLUE_PROPERTY_LATIN_NEUTRAL ( 1U << 2 ) +#define AF_BLUE_PROPERTY_LATIN_X_HEIGHT ( 1U << 3 ) +#define AF_BLUE_PROPERTY_LATIN_LONG ( 1U << 4 ) + +#define AF_BLUE_PROPERTY_CJK_TOP ( 1U << 0 ) /* must have value 1 */ +#define AF_BLUE_PROPERTY_CJK_HORIZ ( 1U << 1 ) /* must have value 2 */ +#define AF_BLUE_PROPERTY_CJK_RIGHT AF_BLUE_PROPERTY_CJK_TOP + + +#define AF_BLUE_STRINGSET_MAX_LEN 8 + + /* The AF_Blue_Stringset enumeration values are offsets into the */ + /* `af_blue_stringsets' array. */ + + typedef enum AF_Blue_Stringset_ + { + AF_BLUE_STRINGSET_ADLM = 0, + AF_BLUE_STRINGSET_ARAB = 5, + AF_BLUE_STRINGSET_ARMN = 9, + AF_BLUE_STRINGSET_AVST = 16, + AF_BLUE_STRINGSET_BAMU = 19, + AF_BLUE_STRINGSET_BENG = 22, + AF_BLUE_STRINGSET_BUHD = 27, + AF_BLUE_STRINGSET_CAKM = 32, + AF_BLUE_STRINGSET_CANS = 36, + AF_BLUE_STRINGSET_CARI = 43, + AF_BLUE_STRINGSET_CHER = 46, + AF_BLUE_STRINGSET_COPT = 53, + AF_BLUE_STRINGSET_CPRT = 58, + AF_BLUE_STRINGSET_CYRL = 63, + AF_BLUE_STRINGSET_DEVA = 69, + AF_BLUE_STRINGSET_DSRT = 75, + AF_BLUE_STRINGSET_ETHI = 80, + AF_BLUE_STRINGSET_GEOR = 83, + AF_BLUE_STRINGSET_GEOK = 88, + AF_BLUE_STRINGSET_GLAG = 95, + AF_BLUE_STRINGSET_GOTH = 100, + AF_BLUE_STRINGSET_GREK = 103, + AF_BLUE_STRINGSET_GUJR = 110, + AF_BLUE_STRINGSET_GURU = 116, + AF_BLUE_STRINGSET_HEBR = 122, + AF_BLUE_STRINGSET_KALI = 126, + AF_BLUE_STRINGSET_KHMR = 132, + AF_BLUE_STRINGSET_KHMS = 138, + AF_BLUE_STRINGSET_KNDA = 141, + AF_BLUE_STRINGSET_LAO = 144, + AF_BLUE_STRINGSET_LATN = 150, + AF_BLUE_STRINGSET_LATB = 157, + AF_BLUE_STRINGSET_LATP = 164, + AF_BLUE_STRINGSET_LISU = 171, + AF_BLUE_STRINGSET_MLYM = 174, + AF_BLUE_STRINGSET_MYMR = 177, + AF_BLUE_STRINGSET_NKOO = 182, + AF_BLUE_STRINGSET_NONE = 187, + AF_BLUE_STRINGSET_OLCK = 188, + AF_BLUE_STRINGSET_ORKH = 191, + AF_BLUE_STRINGSET_OSGE = 194, + AF_BLUE_STRINGSET_OSMA = 202, + AF_BLUE_STRINGSET_SAUR = 205, + AF_BLUE_STRINGSET_SHAW = 208, + AF_BLUE_STRINGSET_SINH = 214, + AF_BLUE_STRINGSET_SUND = 218, + AF_BLUE_STRINGSET_TAML = 222, + AF_BLUE_STRINGSET_TAVT = 225, + AF_BLUE_STRINGSET_TELU = 228, + AF_BLUE_STRINGSET_TFNG = 231, + AF_BLUE_STRINGSET_THAI = 234, + AF_BLUE_STRINGSET_VAII = 242, + af_blue_2_1 = 245, +#ifdef AF_CONFIG_OPTION_CJK + AF_BLUE_STRINGSET_HANI = af_blue_2_1 + 0, + af_blue_2_1_1 = af_blue_2_1 + 2, +#ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT + af_blue_2_1_2 = af_blue_2_1_1 + 2, +#else + af_blue_2_1_2 = af_blue_2_1_1 + 0, +#endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */ + af_blue_2_2 = af_blue_2_1_2 + 1, +#else + af_blue_2_2 = af_blue_2_1 + 0, +#endif /* AF_CONFIG_OPTION_CJK */ + + + AF_BLUE_STRINGSET_MAX /* do not remove */ + + } AF_Blue_Stringset; + + + typedef struct AF_Blue_StringRec_ + { + AF_Blue_String string; + FT_UShort properties; + + } AF_Blue_StringRec; + + + FT_LOCAL_ARRAY( AF_Blue_StringRec ) + af_blue_stringsets[]; + +/* */ + +FT_END_HEADER + + +#endif /* AFBLUE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.hin b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.hin new file mode 100644 index 00000000000..682147cb30d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afblue.hin @@ -0,0 +1,146 @@ +/***************************************************************************/ +/* */ +/* afblue.h */ +/* */ +/* Auto-fitter data for blue strings (specification). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFBLUE_H_ +#define AFBLUE_H_ + + +FT_BEGIN_HEADER + + + /* an auxiliary macro to decode a UTF-8 character -- since we only use */ + /* hard-coded, self-converted data, no error checking is performed */ +#define GET_UTF8_CHAR( ch, p ) \ + do \ + { \ + ch = (unsigned char)*p++; \ + if ( ch >= 0x80 ) \ + { \ + FT_UInt len_; \ + \ + \ + if ( ch < 0xE0 ) \ + { \ + len_ = 1; \ + ch &= 0x1F; \ + } \ + else if ( ch < 0xF0 ) \ + { \ + len_ = 2; \ + ch &= 0x0F; \ + } \ + else \ + { \ + len_ = 3; \ + ch &= 0x07; \ + } \ + \ + for ( ; len_ > 0; len_-- ) \ + ch = ( ch << 6 ) | ( *p++ & 0x3F ); \ + } \ + } while ( 0 ) + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** B L U E S T R I N G S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* At the bottommost level, we define strings for finding blue zones. */ + + +#define AF_BLUE_STRING_MAX_LEN @AF_BLUE_STRING_MAX_LEN@ + + /* The AF_Blue_String enumeration values are offsets into the */ + /* `af_blue_strings' array. */ + + typedef enum AF_Blue_String_ + { +@AF_BLUE_STRING_ENUM@ + + AF_BLUE_STRING_MAX /* do not remove */ + + } AF_Blue_String; + + + FT_LOCAL_ARRAY( char ) + af_blue_strings[]; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** B L U E S T R I N G S E T S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* The next level is to group blue strings into style-specific sets. */ + + + /* Properties are specific to a writing system. We assume that a given */ + /* blue string can't be used in more than a single writing system, which */ + /* is a safe bet. */ +#define AF_BLUE_PROPERTY_LATIN_TOP ( 1U << 0 ) /* must have value 1 */ +#define AF_BLUE_PROPERTY_LATIN_SUB_TOP ( 1U << 1 ) +#define AF_BLUE_PROPERTY_LATIN_NEUTRAL ( 1U << 2 ) +#define AF_BLUE_PROPERTY_LATIN_X_HEIGHT ( 1U << 3 ) +#define AF_BLUE_PROPERTY_LATIN_LONG ( 1U << 4 ) + +#define AF_BLUE_PROPERTY_CJK_TOP ( 1U << 0 ) /* must have value 1 */ +#define AF_BLUE_PROPERTY_CJK_HORIZ ( 1U << 1 ) /* must have value 2 */ +#define AF_BLUE_PROPERTY_CJK_RIGHT AF_BLUE_PROPERTY_CJK_TOP + + +#define AF_BLUE_STRINGSET_MAX_LEN @AF_BLUE_STRINGSET_MAX_LEN@ + + /* The AF_Blue_Stringset enumeration values are offsets into the */ + /* `af_blue_stringsets' array. */ + + typedef enum AF_Blue_Stringset_ + { +@AF_BLUE_STRINGSET_ENUM@ + + AF_BLUE_STRINGSET_MAX /* do not remove */ + + } AF_Blue_Stringset; + + + typedef struct AF_Blue_StringRec_ + { + AF_Blue_String string; + FT_UShort properties; + + } AF_Blue_StringRec; + + + FT_LOCAL_ARRAY( AF_Blue_StringRec ) + af_blue_stringsets[]; + +/* */ + +FT_END_HEADER + + +#endif /* AFBLUE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afcjk.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afcjk.c new file mode 100644 index 00000000000..21b6bffa332 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afcjk.c @@ -0,0 +1,2381 @@ +/***************************************************************************/ +/* */ +/* afcjk.c */ +/* */ +/* Auto-fitter hinting routines for CJK writing system (body). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /* + * The algorithm is based on akito's autohint patch, archived at + * + * https://web.archive.org/web/20051219160454/http://www.kde.gr.jp:80/~akito/patch/freetype2/2.1.7/ + * + */ + +#include <ft2build.h> +#include FT_ADVANCES_H +#include FT_INTERNAL_DEBUG_H + +#include "afglobal.h" +#include "afpic.h" +#include "aflatin.h" +#include "afcjk.h" + + +#ifdef AF_CONFIG_OPTION_CJK + +#undef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT + +#include "aferrors.h" + + +#ifdef AF_CONFIG_OPTION_USE_WARPER +#include "afwarp.h" +#endif + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_afcjk + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** C J K G L O B A L M E T R I C S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* Basically the Latin version with AF_CJKMetrics */ + /* to replace AF_LatinMetrics. */ + + FT_LOCAL_DEF( void ) + af_cjk_metrics_init_widths( AF_CJKMetrics metrics, + FT_Face face ) + { + /* scan the array of segments in each direction */ + AF_GlyphHintsRec hints[1]; + + + FT_TRACE5(( "\n" + "cjk standard widths computation (style `%s')\n" + "===================================================\n" + "\n", + af_style_names[metrics->root.style_class->style] )); + + af_glyph_hints_init( hints, face->memory ); + + metrics->axis[AF_DIMENSION_HORZ].width_count = 0; + metrics->axis[AF_DIMENSION_VERT].width_count = 0; + + { + FT_Error error; + FT_ULong glyph_index; + int dim; + AF_CJKMetricsRec dummy[1]; + AF_Scaler scaler = &dummy->root.scaler; + +#ifdef FT_CONFIG_OPTION_PIC + AF_FaceGlobals globals = metrics->root.globals; +#endif + + AF_StyleClass style_class = metrics->root.style_class; + AF_ScriptClass script_class = AF_SCRIPT_CLASSES_GET + [style_class->script]; + + void* shaper_buf; + const char* p; + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_ULong ch = 0; +#endif + + p = script_class->standard_charstring; + shaper_buf = af_shaper_buf_create( face ); + + /* We check a list of standard characters. The first match wins. */ + + glyph_index = 0; + while ( *p ) + { + unsigned int num_idx; + +#ifdef FT_DEBUG_LEVEL_TRACE + const char* p_old; +#endif + + + while ( *p == ' ' ) + p++; + +#ifdef FT_DEBUG_LEVEL_TRACE + p_old = p; + GET_UTF8_CHAR( ch, p_old ); +#endif + + /* reject input that maps to more than a single glyph */ + p = af_shaper_get_cluster( p, &metrics->root, shaper_buf, &num_idx ); + if ( num_idx > 1 ) + continue; + + /* otherwise exit loop if we have a result */ + glyph_index = af_shaper_get_elem( &metrics->root, + shaper_buf, + 0, + NULL, + NULL ); + if ( glyph_index ) + break; + } + + af_shaper_buf_destroy( face, shaper_buf ); + + if ( !glyph_index ) + goto Exit; + + if ( !glyph_index ) + goto Exit; + + FT_TRACE5(( "standard character: U+%04lX (glyph index %d)\n", + ch, glyph_index )); + + error = FT_Load_Glyph( face, glyph_index, FT_LOAD_NO_SCALE ); + if ( error || face->glyph->outline.n_points <= 0 ) + goto Exit; + + FT_ZERO( dummy ); + + dummy->units_per_em = metrics->units_per_em; + + scaler->x_scale = 0x10000L; + scaler->y_scale = 0x10000L; + scaler->x_delta = 0; + scaler->y_delta = 0; + + scaler->face = face; + scaler->render_mode = FT_RENDER_MODE_NORMAL; + scaler->flags = 0; + + af_glyph_hints_rescale( hints, (AF_StyleMetrics)dummy ); + + error = af_glyph_hints_reload( hints, &face->glyph->outline ); + if ( error ) + goto Exit; + + for ( dim = 0; dim < AF_DIMENSION_MAX; dim++ ) + { + AF_CJKAxis axis = &metrics->axis[dim]; + AF_AxisHints axhints = &hints->axis[dim]; + AF_Segment seg, limit, link; + FT_UInt num_widths = 0; + + + error = af_latin_hints_compute_segments( hints, + (AF_Dimension)dim ); + if ( error ) + goto Exit; + + /* + * We assume that the glyphs selected for the stem width + * computation are `featureless' enough so that the linking + * algorithm works fine without adjustments of its scoring + * function. + */ + af_latin_hints_link_segments( hints, + 0, + NULL, + (AF_Dimension)dim ); + + seg = axhints->segments; + limit = seg + axhints->num_segments; + + for ( ; seg < limit; seg++ ) + { + link = seg->link; + + /* we only consider stem segments there! */ + if ( link && link->link == seg && link > seg ) + { + FT_Pos dist; + + + dist = seg->pos - link->pos; + if ( dist < 0 ) + dist = -dist; + + if ( num_widths < AF_CJK_MAX_WIDTHS ) + axis->widths[num_widths++].org = dist; + } + } + + /* this also replaces multiple almost identical stem widths */ + /* with a single one (the value 100 is heuristic) */ + af_sort_and_quantize_widths( &num_widths, axis->widths, + dummy->units_per_em / 100 ); + axis->width_count = num_widths; + } + + Exit: + for ( dim = 0; dim < AF_DIMENSION_MAX; dim++ ) + { + AF_CJKAxis axis = &metrics->axis[dim]; + FT_Pos stdw; + + + stdw = ( axis->width_count > 0 ) ? axis->widths[0].org + : AF_LATIN_CONSTANT( metrics, 50 ); + + /* let's try 20% of the smallest width */ + axis->edge_distance_threshold = stdw / 5; + axis->standard_width = stdw; + axis->extra_light = 0; + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_UInt i; + + + FT_TRACE5(( "%s widths:\n", + dim == AF_DIMENSION_VERT ? "horizontal" + : "vertical" )); + + FT_TRACE5(( " %d (standard)", axis->standard_width )); + for ( i = 1; i < axis->width_count; i++ ) + FT_TRACE5(( " %d", axis->widths[i].org )); + + FT_TRACE5(( "\n" )); + } +#endif + } + } + + FT_TRACE5(( "\n" )); + + af_glyph_hints_done( hints ); + } + + + /* Find all blue zones. */ + + static void + af_cjk_metrics_init_blues( AF_CJKMetrics metrics, + FT_Face face ) + { + FT_Pos fills[AF_BLUE_STRING_MAX_LEN]; + FT_Pos flats[AF_BLUE_STRING_MAX_LEN]; + + FT_UInt num_fills; + FT_UInt num_flats; + + FT_Bool fill; + + AF_CJKBlue blue; + FT_Error error; + AF_CJKAxis axis; + FT_Outline outline; + + AF_StyleClass sc = metrics->root.style_class; + + AF_Blue_Stringset bss = sc->blue_stringset; + const AF_Blue_StringRec* bs = &af_blue_stringsets[bss]; + + void* shaper_buf; + + + /* we walk over the blue character strings as specified in the */ + /* style's entry in the `af_blue_stringset' array, computing its */ + /* extremum points (depending on the string properties) */ + + FT_TRACE5(( "cjk blue zones computation\n" + "==========================\n" + "\n" )); + + shaper_buf = af_shaper_buf_create( face ); + + for ( ; bs->string != AF_BLUE_STRING_MAX; bs++ ) + { + const char* p = &af_blue_strings[bs->string]; + FT_Pos* blue_ref; + FT_Pos* blue_shoot; + + + if ( AF_CJK_IS_HORIZ_BLUE( bs ) ) + axis = &metrics->axis[AF_DIMENSION_HORZ]; + else + axis = &metrics->axis[AF_DIMENSION_VERT]; + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_String* cjk_blue_name[4] = + { + (FT_String*)"bottom", /* -- , -- */ + (FT_String*)"top", /* -- , TOP */ + (FT_String*)"left", /* HORIZ, -- */ + (FT_String*)"right" /* HORIZ, TOP */ + }; + + + FT_TRACE5(( "blue zone %d (%s):\n", + axis->blue_count, + cjk_blue_name[AF_CJK_IS_HORIZ_BLUE( bs ) | + AF_CJK_IS_TOP_BLUE( bs ) ] )); + } +#endif /* FT_DEBUG_LEVEL_TRACE */ + + num_fills = 0; + num_flats = 0; + + fill = 1; /* start with characters that define fill values */ + FT_TRACE5(( " [overshoot values]\n" )); + + while ( *p ) + { + FT_ULong glyph_index; + FT_Pos best_pos; /* same as points.y or points.x, resp. */ + FT_Int best_point; + FT_Vector* points; + + unsigned int num_idx; + +#ifdef FT_DEBUG_LEVEL_TRACE + const char* p_old; + FT_ULong ch; +#endif + + + while ( *p == ' ' ) + p++; + +#ifdef FT_DEBUG_LEVEL_TRACE + p_old = p; + GET_UTF8_CHAR( ch, p_old ); +#endif + + /* switch to characters that define flat values */ + if ( *p == '|' ) + { + fill = 0; + FT_TRACE5(( " [reference values]\n" )); + p++; + continue; + } + + /* reject input that maps to more than a single glyph */ + p = af_shaper_get_cluster( p, &metrics->root, shaper_buf, &num_idx ); + if ( num_idx > 1 ) + continue; + + /* load the character in the face -- skip unknown or empty ones */ + glyph_index = af_shaper_get_elem( &metrics->root, + shaper_buf, + 0, + NULL, + NULL ); + if ( glyph_index == 0 ) + { + FT_TRACE5(( " U+%04lX unavailable\n", ch )); + continue; + } + + error = FT_Load_Glyph( face, glyph_index, FT_LOAD_NO_SCALE ); + outline = face->glyph->outline; + if ( error || outline.n_points <= 2 ) + { + FT_TRACE5(( " U+%04lX contains no (usable) outlines\n", ch )); + continue; + } + + /* now compute min or max point indices and coordinates */ + points = outline.points; + best_point = -1; + best_pos = 0; /* make compiler happy */ + + { + FT_Int nn; + FT_Int first = 0; + FT_Int last = -1; + + + for ( nn = 0; nn < outline.n_contours; first = last + 1, nn++ ) + { + FT_Int pp; + + + last = outline.contours[nn]; + + /* Avoid single-point contours since they are never rasterized. */ + /* In some fonts, they correspond to mark attachment points */ + /* which are way outside of the glyph's real outline. */ + if ( last <= first ) + continue; + + if ( AF_CJK_IS_HORIZ_BLUE( bs ) ) + { + if ( AF_CJK_IS_RIGHT_BLUE( bs ) ) + { + for ( pp = first; pp <= last; pp++ ) + if ( best_point < 0 || points[pp].x > best_pos ) + { + best_point = pp; + best_pos = points[pp].x; + } + } + else + { + for ( pp = first; pp <= last; pp++ ) + if ( best_point < 0 || points[pp].x < best_pos ) + { + best_point = pp; + best_pos = points[pp].x; + } + } + } + else + { + if ( AF_CJK_IS_TOP_BLUE( bs ) ) + { + for ( pp = first; pp <= last; pp++ ) + if ( best_point < 0 || points[pp].y > best_pos ) + { + best_point = pp; + best_pos = points[pp].y; + } + } + else + { + for ( pp = first; pp <= last; pp++ ) + if ( best_point < 0 || points[pp].y < best_pos ) + { + best_point = pp; + best_pos = points[pp].y; + } + } + } + } + + FT_TRACE5(( " U+%04lX: best_pos = %5ld\n", ch, best_pos )); + } + + if ( fill ) + fills[num_fills++] = best_pos; + else + flats[num_flats++] = best_pos; + + } /* end while loop */ + + if ( num_flats == 0 && num_fills == 0 ) + { + /* + * we couldn't find a single glyph to compute this blue zone, + * we will simply ignore it then + */ + FT_TRACE5(( " empty\n" )); + continue; + } + + /* we have computed the contents of the `fill' and `flats' tables, */ + /* now determine the reference and overshoot position of the blue -- */ + /* we simply take the median value after a simple sort */ + af_sort_pos( num_fills, fills ); + af_sort_pos( num_flats, flats ); + + blue = &axis->blues[axis->blue_count]; + blue_ref = &blue->ref.org; + blue_shoot = &blue->shoot.org; + + axis->blue_count++; + + if ( num_flats == 0 ) + { + *blue_ref = + *blue_shoot = fills[num_fills / 2]; + } + else if ( num_fills == 0 ) + { + *blue_ref = + *blue_shoot = flats[num_flats / 2]; + } + else + { + *blue_ref = fills[num_fills / 2]; + *blue_shoot = flats[num_flats / 2]; + } + + /* make sure blue_ref >= blue_shoot for top/right or */ + /* vice versa for bottom/left */ + if ( *blue_shoot != *blue_ref ) + { + FT_Pos ref = *blue_ref; + FT_Pos shoot = *blue_shoot; + FT_Bool under_ref = FT_BOOL( shoot < ref ); + + + /* AF_CJK_IS_TOP_BLUE covers `right' and `top' */ + if ( AF_CJK_IS_TOP_BLUE( bs ) ^ under_ref ) + { + *blue_ref = + *blue_shoot = ( shoot + ref ) / 2; + + FT_TRACE5(( " [reference smaller than overshoot," + " taking mean value]\n" )); + } + } + + blue->flags = 0; + if ( AF_CJK_IS_TOP_BLUE( bs ) ) + blue->flags |= AF_CJK_BLUE_TOP; + + FT_TRACE5(( " -> reference = %ld\n" + " overshoot = %ld\n", + *blue_ref, *blue_shoot )); + + } /* end for loop */ + + af_shaper_buf_destroy( face, shaper_buf ); + + FT_TRACE5(( "\n" )); + + return; + } + + + /* Basically the Latin version with type AF_CJKMetrics for metrics. */ + + FT_LOCAL_DEF( void ) + af_cjk_metrics_check_digits( AF_CJKMetrics metrics, + FT_Face face ) + { + FT_Bool started = 0, same_width = 1; + FT_Fixed advance = 0, old_advance = 0; + + void* shaper_buf; + + /* in all supported charmaps, digits have character codes 0x30-0x39 */ + const char digits[] = "0 1 2 3 4 5 6 7 8 9"; + const char* p; + + + p = digits; + shaper_buf = af_shaper_buf_create( face ); + + while ( *p ) + { + FT_ULong glyph_index; + unsigned int num_idx; + + + /* reject input that maps to more than a single glyph */ + p = af_shaper_get_cluster( p, &metrics->root, shaper_buf, &num_idx ); + if ( num_idx > 1 ) + continue; + + glyph_index = af_shaper_get_elem( &metrics->root, + shaper_buf, + 0, + &advance, + NULL ); + if ( !glyph_index ) + continue; + + if ( started ) + { + if ( advance != old_advance ) + { + same_width = 0; + break; + } + } + else + { + old_advance = advance; + started = 1; + } + } + + af_shaper_buf_destroy( face, shaper_buf ); + + metrics->root.digits_have_same_width = same_width; + } + + + /* Initialize global metrics. */ + + FT_LOCAL_DEF( FT_Error ) + af_cjk_metrics_init( AF_CJKMetrics metrics, + FT_Face face ) + { + FT_CharMap oldmap = face->charmap; + + + metrics->units_per_em = face->units_per_EM; + + if ( !FT_Select_Charmap( face, FT_ENCODING_UNICODE ) ) + { + af_cjk_metrics_init_widths( metrics, face ); + af_cjk_metrics_init_blues( metrics, face ); + af_cjk_metrics_check_digits( metrics, face ); + } + + FT_Set_Charmap( face, oldmap ); + return FT_Err_Ok; + } + + + /* Adjust scaling value, then scale and shift widths */ + /* and blue zones (if applicable) for given dimension. */ + + static void + af_cjk_metrics_scale_dim( AF_CJKMetrics metrics, + AF_Scaler scaler, + AF_Dimension dim ) + { + FT_Fixed scale; + FT_Pos delta; + AF_CJKAxis axis; + FT_UInt nn; + + + if ( dim == AF_DIMENSION_HORZ ) + { + scale = scaler->x_scale; + delta = scaler->x_delta; + } + else + { + scale = scaler->y_scale; + delta = scaler->y_delta; + } + + axis = &metrics->axis[dim]; + + if ( axis->org_scale == scale && axis->org_delta == delta ) + return; + + axis->org_scale = scale; + axis->org_delta = delta; + + axis->scale = scale; + axis->delta = delta; + + /* scale the blue zones */ + for ( nn = 0; nn < axis->blue_count; nn++ ) + { + AF_CJKBlue blue = &axis->blues[nn]; + FT_Pos dist; + + + blue->ref.cur = FT_MulFix( blue->ref.org, scale ) + delta; + blue->ref.fit = blue->ref.cur; + blue->shoot.cur = FT_MulFix( blue->shoot.org, scale ) + delta; + blue->shoot.fit = blue->shoot.cur; + blue->flags &= ~AF_CJK_BLUE_ACTIVE; + + /* a blue zone is only active if it is less than 3/4 pixels tall */ + dist = FT_MulFix( blue->ref.org - blue->shoot.org, scale ); + if ( dist <= 48 && dist >= -48 ) + { + FT_Pos delta1, delta2; + + + blue->ref.fit = FT_PIX_ROUND( blue->ref.cur ); + + /* shoot is under shoot for cjk */ + delta1 = FT_DivFix( blue->ref.fit, scale ) - blue->shoot.org; + delta2 = delta1; + if ( delta1 < 0 ) + delta2 = -delta2; + + delta2 = FT_MulFix( delta2, scale ); + + FT_TRACE5(( "delta: %d", delta1 )); + if ( delta2 < 32 ) + delta2 = 0; +#if 0 + else if ( delta2 < 64 ) + delta2 = 32 + ( ( ( delta2 - 32 ) + 16 ) & ~31 ); +#endif + else + delta2 = FT_PIX_ROUND( delta2 ); + FT_TRACE5(( "/%d\n", delta2 )); + + if ( delta1 < 0 ) + delta2 = -delta2; + + blue->shoot.fit = blue->ref.fit - delta2; + + FT_TRACE5(( ">> active cjk blue zone %c%d[%ld/%ld]:\n" + " ref: cur=%.2f fit=%.2f\n" + " shoot: cur=%.2f fit=%.2f\n", + ( dim == AF_DIMENSION_HORZ ) ? 'H' : 'V', + nn, blue->ref.org, blue->shoot.org, + blue->ref.cur / 64.0, blue->ref.fit / 64.0, + blue->shoot.cur / 64.0, blue->shoot.fit / 64.0 )); + + blue->flags |= AF_CJK_BLUE_ACTIVE; + } + } + } + + + /* Scale global values in both directions. */ + + FT_LOCAL_DEF( void ) + af_cjk_metrics_scale( AF_CJKMetrics metrics, + AF_Scaler scaler ) + { + /* we copy the whole structure since the x and y scaling values */ + /* are not modified, contrary to e.g. the `latin' auto-hinter */ + metrics->root.scaler = *scaler; + + af_cjk_metrics_scale_dim( metrics, scaler, AF_DIMENSION_HORZ ); + af_cjk_metrics_scale_dim( metrics, scaler, AF_DIMENSION_VERT ); + } + + + /* Extract standard_width from writing system/script specific */ + /* metrics class. */ + + FT_LOCAL_DEF( void ) + af_cjk_get_standard_widths( AF_CJKMetrics metrics, + FT_Pos* stdHW, + FT_Pos* stdVW ) + { + if ( stdHW ) + *stdHW = metrics->axis[AF_DIMENSION_VERT].standard_width; + + if ( stdVW ) + *stdVW = metrics->axis[AF_DIMENSION_HORZ].standard_width; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** C J K G L Y P H A N A L Y S I S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* Walk over all contours and compute its segments. */ + + static FT_Error + af_cjk_hints_compute_segments( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_AxisHints axis = &hints->axis[dim]; + AF_Segment segments = axis->segments; + AF_Segment segment_limit = segments + axis->num_segments; + FT_Error error; + AF_Segment seg; + + + error = af_latin_hints_compute_segments( hints, dim ); + if ( error ) + return error; + + /* a segment is round if it doesn't have successive */ + /* on-curve points. */ + for ( seg = segments; seg < segment_limit; seg++ ) + { + AF_Point pt = seg->first; + AF_Point last = seg->last; + FT_UInt f0 = pt->flags & AF_FLAG_CONTROL; + FT_UInt f1; + + + seg->flags &= ~AF_EDGE_ROUND; + + for ( ; pt != last; f0 = f1 ) + { + pt = pt->next; + f1 = pt->flags & AF_FLAG_CONTROL; + + if ( !f0 && !f1 ) + break; + + if ( pt == last ) + seg->flags |= AF_EDGE_ROUND; + } + } + + return FT_Err_Ok; + } + + + static void + af_cjk_hints_link_segments( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_AxisHints axis = &hints->axis[dim]; + AF_Segment segments = axis->segments; + AF_Segment segment_limit = segments + axis->num_segments; + AF_Direction major_dir = axis->major_dir; + AF_Segment seg1, seg2; + FT_Pos len_threshold; + FT_Pos dist_threshold; + + + len_threshold = AF_LATIN_CONSTANT( hints->metrics, 8 ); + + dist_threshold = ( dim == AF_DIMENSION_HORZ ) ? hints->x_scale + : hints->y_scale; + dist_threshold = FT_DivFix( 64 * 3, dist_threshold ); + + /* now compare each segment to the others */ + for ( seg1 = segments; seg1 < segment_limit; seg1++ ) + { + if ( seg1->dir != major_dir ) + continue; + + for ( seg2 = segments; seg2 < segment_limit; seg2++ ) + if ( seg2 != seg1 && seg1->dir + seg2->dir == 0 ) + { + FT_Pos dist = seg2->pos - seg1->pos; + + + if ( dist < 0 ) + continue; + + { + FT_Pos min = seg1->min_coord; + FT_Pos max = seg1->max_coord; + FT_Pos len; + + + if ( min < seg2->min_coord ) + min = seg2->min_coord; + + if ( max > seg2->max_coord ) + max = seg2->max_coord; + + len = max - min; + if ( len >= len_threshold ) + { + if ( dist * 8 < seg1->score * 9 && + ( dist * 8 < seg1->score * 7 || seg1->len < len ) ) + { + seg1->score = dist; + seg1->len = len; + seg1->link = seg2; + } + + if ( dist * 8 < seg2->score * 9 && + ( dist * 8 < seg2->score * 7 || seg2->len < len ) ) + { + seg2->score = dist; + seg2->len = len; + seg2->link = seg1; + } + } + } + } + } + + /* + * now compute the `serif' segments + * + * In Hanzi, some strokes are wider on one or both of the ends. + * We either identify the stems on the ends as serifs or remove + * the linkage, depending on the length of the stems. + * + */ + + { + AF_Segment link1, link2; + + + for ( seg1 = segments; seg1 < segment_limit; seg1++ ) + { + link1 = seg1->link; + if ( !link1 || link1->link != seg1 || link1->pos <= seg1->pos ) + continue; + + if ( seg1->score >= dist_threshold ) + continue; + + for ( seg2 = segments; seg2 < segment_limit; seg2++ ) + { + if ( seg2->pos > seg1->pos || seg1 == seg2 ) + continue; + + link2 = seg2->link; + if ( !link2 || link2->link != seg2 || link2->pos < link1->pos ) + continue; + + if ( seg1->pos == seg2->pos && link1->pos == link2->pos ) + continue; + + if ( seg2->score <= seg1->score || seg1->score * 4 <= seg2->score ) + continue; + + /* seg2 < seg1 < link1 < link2 */ + + if ( seg1->len >= seg2->len * 3 ) + { + AF_Segment seg; + + + for ( seg = segments; seg < segment_limit; seg++ ) + { + AF_Segment link = seg->link; + + + if ( link == seg2 ) + { + seg->link = NULL; + seg->serif = link1; + } + else if ( link == link2 ) + { + seg->link = NULL; + seg->serif = seg1; + } + } + } + else + { + seg1->link = link1->link = NULL; + + break; + } + } + } + } + + for ( seg1 = segments; seg1 < segment_limit; seg1++ ) + { + seg2 = seg1->link; + + if ( seg2 ) + { + if ( seg2->link != seg1 ) + { + seg1->link = NULL; + + if ( seg2->score < dist_threshold || seg1->score < seg2->score * 4 ) + seg1->serif = seg2->link; + } + } + } + } + + + static FT_Error + af_cjk_hints_compute_edges( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_AxisHints axis = &hints->axis[dim]; + FT_Error error = FT_Err_Ok; + FT_Memory memory = hints->memory; + AF_CJKAxis laxis = &((AF_CJKMetrics)hints->metrics)->axis[dim]; + + AF_Segment segments = axis->segments; + AF_Segment segment_limit = segments + axis->num_segments; + AF_Segment seg; + + FT_Fixed scale; + FT_Pos edge_distance_threshold; + + + axis->num_edges = 0; + + scale = ( dim == AF_DIMENSION_HORZ ) ? hints->x_scale + : hints->y_scale; + + /*********************************************************************/ + /* */ + /* We begin by generating a sorted table of edges for the current */ + /* direction. To do so, we simply scan each segment and try to find */ + /* an edge in our table that corresponds to its position. */ + /* */ + /* If no edge is found, we create and insert a new edge in the */ + /* sorted table. Otherwise, we simply add the segment to the edge's */ + /* list which is then processed in the second step to compute the */ + /* edge's properties. */ + /* */ + /* Note that the edges table is sorted along the segment/edge */ + /* position. */ + /* */ + /*********************************************************************/ + + edge_distance_threshold = FT_MulFix( laxis->edge_distance_threshold, + scale ); + if ( edge_distance_threshold > 64 / 4 ) + edge_distance_threshold = FT_DivFix( 64 / 4, scale ); + else + edge_distance_threshold = laxis->edge_distance_threshold; + + for ( seg = segments; seg < segment_limit; seg++ ) + { + AF_Edge found = NULL; + FT_Pos best = 0xFFFFU; + FT_Int ee; + + + /* look for an edge corresponding to the segment */ + for ( ee = 0; ee < axis->num_edges; ee++ ) + { + AF_Edge edge = axis->edges + ee; + FT_Pos dist; + + + if ( edge->dir != seg->dir ) + continue; + + dist = seg->pos - edge->fpos; + if ( dist < 0 ) + dist = -dist; + + if ( dist < edge_distance_threshold && dist < best ) + { + AF_Segment link = seg->link; + + + /* check whether all linked segments of the candidate edge */ + /* can make a single edge. */ + if ( link ) + { + AF_Segment seg1 = edge->first; + FT_Pos dist2 = 0; + + + do + { + AF_Segment link1 = seg1->link; + + + if ( link1 ) + { + dist2 = AF_SEGMENT_DIST( link, link1 ); + if ( dist2 >= edge_distance_threshold ) + break; + } + + } while ( ( seg1 = seg1->edge_next ) != edge->first ); + + if ( dist2 >= edge_distance_threshold ) + continue; + } + + best = dist; + found = edge; + } + } + + if ( !found ) + { + AF_Edge edge; + + + /* insert a new edge in the list and */ + /* sort according to the position */ + error = af_axis_hints_new_edge( axis, seg->pos, + (AF_Direction)seg->dir, 0, + memory, &edge ); + if ( error ) + goto Exit; + + /* add the segment to the new edge's list */ + FT_ZERO( edge ); + + edge->first = seg; + edge->last = seg; + edge->dir = seg->dir; + edge->fpos = seg->pos; + edge->opos = FT_MulFix( seg->pos, scale ); + edge->pos = edge->opos; + seg->edge_next = seg; + } + else + { + /* if an edge was found, simply add the segment to the edge's */ + /* list */ + seg->edge_next = found->first; + found->last->edge_next = seg; + found->last = seg; + } + } + + /******************************************************************/ + /* */ + /* Good, we now compute each edge's properties according to the */ + /* segments found on its position. Basically, these are */ + /* */ + /* - the edge's main direction */ + /* - stem edge, serif edge or both (which defaults to stem then) */ + /* - rounded edge, straight or both (which defaults to straight) */ + /* - link for edge */ + /* */ + /******************************************************************/ + + /* first of all, set the `edge' field in each segment -- this is */ + /* required in order to compute edge links */ + + /* + * Note that removing this loop and setting the `edge' field of each + * segment directly in the code above slows down execution speed for + * some reasons on platforms like the Sun. + */ + { + AF_Edge edges = axis->edges; + AF_Edge edge_limit = edges + axis->num_edges; + AF_Edge edge; + + + for ( edge = edges; edge < edge_limit; edge++ ) + { + seg = edge->first; + if ( seg ) + do + { + seg->edge = edge; + seg = seg->edge_next; + + } while ( seg != edge->first ); + } + + /* now compute each edge properties */ + for ( edge = edges; edge < edge_limit; edge++ ) + { + FT_Int is_round = 0; /* does it contain round segments? */ + FT_Int is_straight = 0; /* does it contain straight segments? */ + + + seg = edge->first; + + do + { + FT_Bool is_serif; + + + /* check for roundness of segment */ + if ( seg->flags & AF_EDGE_ROUND ) + is_round++; + else + is_straight++; + + /* check for links -- if seg->serif is set, then seg->link must */ + /* be ignored */ + is_serif = (FT_Bool)( seg->serif && seg->serif->edge != edge ); + + if ( seg->link || is_serif ) + { + AF_Edge edge2; + AF_Segment seg2; + + + edge2 = edge->link; + seg2 = seg->link; + + if ( is_serif ) + { + seg2 = seg->serif; + edge2 = edge->serif; + } + + if ( edge2 ) + { + FT_Pos edge_delta; + FT_Pos seg_delta; + + + edge_delta = edge->fpos - edge2->fpos; + if ( edge_delta < 0 ) + edge_delta = -edge_delta; + + seg_delta = AF_SEGMENT_DIST( seg, seg2 ); + + if ( seg_delta < edge_delta ) + edge2 = seg2->edge; + } + else + edge2 = seg2->edge; + + if ( is_serif ) + { + edge->serif = edge2; + edge2->flags |= AF_EDGE_SERIF; + } + else + edge->link = edge2; + } + + seg = seg->edge_next; + + } while ( seg != edge->first ); + + /* set the round/straight flags */ + edge->flags = AF_EDGE_NORMAL; + + if ( is_round > 0 && is_round >= is_straight ) + edge->flags |= AF_EDGE_ROUND; + + /* get rid of serifs if link is set */ + /* XXX: This gets rid of many unpleasant artefacts! */ + /* Example: the `c' in cour.pfa at size 13 */ + + if ( edge->serif && edge->link ) + edge->serif = NULL; + } + } + + Exit: + return error; + } + + + /* Detect segments and edges for given dimension. */ + + static FT_Error + af_cjk_hints_detect_features( AF_GlyphHints hints, + AF_Dimension dim ) + { + FT_Error error; + + + error = af_cjk_hints_compute_segments( hints, dim ); + if ( !error ) + { + af_cjk_hints_link_segments( hints, dim ); + + error = af_cjk_hints_compute_edges( hints, dim ); + } + return error; + } + + + /* Compute all edges which lie within blue zones. */ + + static void + af_cjk_hints_compute_blue_edges( AF_GlyphHints hints, + AF_CJKMetrics metrics, + AF_Dimension dim ) + { + AF_AxisHints axis = &hints->axis[dim]; + AF_Edge edge = axis->edges; + AF_Edge edge_limit = edge + axis->num_edges; + AF_CJKAxis cjk = &metrics->axis[dim]; + FT_Fixed scale = cjk->scale; + FT_Pos best_dist0; /* initial threshold */ + + + /* compute the initial threshold as a fraction of the EM size */ + best_dist0 = FT_MulFix( metrics->units_per_em / 40, scale ); + + if ( best_dist0 > 64 / 2 ) /* maximum 1/2 pixel */ + best_dist0 = 64 / 2; + + /* compute which blue zones are active, i.e. have their scaled */ + /* size < 3/4 pixels */ + + /* If the distant between an edge and a blue zone is shorter than */ + /* best_dist0, set the blue zone for the edge. Then search for */ + /* the blue zone with the smallest best_dist to the edge. */ + + for ( ; edge < edge_limit; edge++ ) + { + FT_UInt bb; + AF_Width best_blue = NULL; + FT_Pos best_dist = best_dist0; + + + for ( bb = 0; bb < cjk->blue_count; bb++ ) + { + AF_CJKBlue blue = cjk->blues + bb; + FT_Bool is_top_right_blue, is_major_dir; + + + /* skip inactive blue zones (i.e., those that are too small) */ + if ( !( blue->flags & AF_CJK_BLUE_ACTIVE ) ) + continue; + + /* if it is a top zone, check for right edges -- if it is a bottom */ + /* zone, check for left edges */ + /* */ + /* of course, that's for TrueType */ + is_top_right_blue = + (FT_Byte)( ( blue->flags & AF_CJK_BLUE_TOP ) != 0 ); + is_major_dir = + FT_BOOL( edge->dir == axis->major_dir ); + + /* if it is a top zone, the edge must be against the major */ + /* direction; if it is a bottom zone, it must be in the major */ + /* direction */ + if ( is_top_right_blue ^ is_major_dir ) + { + FT_Pos dist; + AF_Width compare; + + + /* Compare the edge to the closest blue zone type */ + if ( FT_ABS( edge->fpos - blue->ref.org ) > + FT_ABS( edge->fpos - blue->shoot.org ) ) + compare = &blue->shoot; + else + compare = &blue->ref; + + dist = edge->fpos - compare->org; + if ( dist < 0 ) + dist = -dist; + + dist = FT_MulFix( dist, scale ); + if ( dist < best_dist ) + { + best_dist = dist; + best_blue = compare; + } + } + } + + if ( best_blue ) + edge->blue_edge = best_blue; + } + } + + + /* Initalize hinting engine. */ + + FT_LOCAL_DEF( FT_Error ) + af_cjk_hints_init( AF_GlyphHints hints, + AF_CJKMetrics metrics ) + { + FT_Render_Mode mode; + FT_UInt32 scaler_flags, other_flags; + + + af_glyph_hints_rescale( hints, (AF_StyleMetrics)metrics ); + + /* + * correct x_scale and y_scale when needed, since they may have + * been modified af_cjk_scale_dim above + */ + hints->x_scale = metrics->axis[AF_DIMENSION_HORZ].scale; + hints->x_delta = metrics->axis[AF_DIMENSION_HORZ].delta; + hints->y_scale = metrics->axis[AF_DIMENSION_VERT].scale; + hints->y_delta = metrics->axis[AF_DIMENSION_VERT].delta; + + /* compute flags depending on render mode, etc. */ + mode = metrics->root.scaler.render_mode; + +#if 0 /* AF_CONFIG_OPTION_USE_WARPER */ + if ( mode == FT_RENDER_MODE_LCD || mode == FT_RENDER_MODE_LCD_V ) + metrics->root.scaler.render_mode = mode = FT_RENDER_MODE_NORMAL; +#endif + + scaler_flags = hints->scaler_flags; + other_flags = 0; + + /* + * We snap the width of vertical stems for the monochrome and + * horizontal LCD rendering targets only. + */ + if ( mode == FT_RENDER_MODE_MONO || mode == FT_RENDER_MODE_LCD ) + other_flags |= AF_LATIN_HINTS_HORZ_SNAP; + + /* + * We snap the width of horizontal stems for the monochrome and + * vertical LCD rendering targets only. + */ + if ( mode == FT_RENDER_MODE_MONO || mode == FT_RENDER_MODE_LCD_V ) + other_flags |= AF_LATIN_HINTS_VERT_SNAP; + + /* + * We adjust stems to full pixels unless in `light' or `lcd' mode. + */ + if ( mode != FT_RENDER_MODE_LIGHT && mode != FT_RENDER_MODE_LCD ) + other_flags |= AF_LATIN_HINTS_STEM_ADJUST; + + if ( mode == FT_RENDER_MODE_MONO ) + other_flags |= AF_LATIN_HINTS_MONO; + + scaler_flags |= AF_SCALER_FLAG_NO_ADVANCE; + +#ifdef AF_CONFIG_OPTION_USE_WARPER + /* get (global) warper flag */ + if ( !metrics->root.globals->module->warping ) + scaler_flags |= AF_SCALER_FLAG_NO_WARPER; +#endif + + hints->scaler_flags = scaler_flags; + hints->other_flags = other_flags; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** C J K G L Y P H G R I D - F I T T I N G *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* Snap a given width in scaled coordinates to one of the */ + /* current standard widths. */ + + static FT_Pos + af_cjk_snap_width( AF_Width widths, + FT_UInt count, + FT_Pos width ) + { + FT_UInt n; + FT_Pos best = 64 + 32 + 2; + FT_Pos reference = width; + FT_Pos scaled; + + + for ( n = 0; n < count; n++ ) + { + FT_Pos w; + FT_Pos dist; + + + w = widths[n].cur; + dist = width - w; + if ( dist < 0 ) + dist = -dist; + if ( dist < best ) + { + best = dist; + reference = w; + } + } + + scaled = FT_PIX_ROUND( reference ); + + if ( width >= reference ) + { + if ( width < scaled + 48 ) + width = reference; + } + else + { + if ( width > scaled - 48 ) + width = reference; + } + + return width; + } + + + /* Compute the snapped width of a given stem. */ + /* There is a lot of voodoo in this function; changing the hard-coded */ + /* parameters influence the whole hinting process. */ + + static FT_Pos + af_cjk_compute_stem_width( AF_GlyphHints hints, + AF_Dimension dim, + FT_Pos width, + FT_UInt base_flags, + FT_UInt stem_flags ) + { + AF_CJKMetrics metrics = (AF_CJKMetrics)hints->metrics; + AF_CJKAxis axis = &metrics->axis[dim]; + FT_Pos dist = width; + FT_Int sign = 0; + FT_Bool vertical = FT_BOOL( dim == AF_DIMENSION_VERT ); + + FT_UNUSED( base_flags ); + FT_UNUSED( stem_flags ); + + + if ( !AF_LATIN_HINTS_DO_STEM_ADJUST( hints ) ) + return width; + + if ( dist < 0 ) + { + dist = -width; + sign = 1; + } + + if ( ( vertical && !AF_LATIN_HINTS_DO_VERT_SNAP( hints ) ) || + ( !vertical && !AF_LATIN_HINTS_DO_HORZ_SNAP( hints ) ) ) + { + /* smooth hinting process: very lightly quantize the stem width */ + + if ( axis->width_count > 0 ) + { + if ( FT_ABS( dist - axis->widths[0].cur ) < 40 ) + { + dist = axis->widths[0].cur; + if ( dist < 48 ) + dist = 48; + + goto Done_Width; + } + } + + if ( dist < 54 ) + dist += ( 54 - dist ) / 2; + else if ( dist < 3 * 64 ) + { + FT_Pos delta; + + + delta = dist & 63; + dist &= -64; + + if ( delta < 10 ) + dist += delta; + else if ( delta < 22 ) + dist += 10; + else if ( delta < 42 ) + dist += delta; + else if ( delta < 54 ) + dist += 54; + else + dist += delta; + } + } + else + { + /* strong hinting process: snap the stem width to integer pixels */ + + dist = af_cjk_snap_width( axis->widths, axis->width_count, dist ); + + if ( vertical ) + { + /* in the case of vertical hinting, always round */ + /* the stem heights to integer pixels */ + + if ( dist >= 64 ) + dist = ( dist + 16 ) & ~63; + else + dist = 64; + } + else + { + if ( AF_LATIN_HINTS_DO_MONO( hints ) ) + { + /* monochrome horizontal hinting: snap widths to integer pixels */ + /* with a different threshold */ + + if ( dist < 64 ) + dist = 64; + else + dist = ( dist + 32 ) & ~63; + } + else + { + /* for horizontal anti-aliased hinting, we adopt a more subtle */ + /* approach: we strengthen small stems, round stems whose size */ + /* is between 1 and 2 pixels to an integer, otherwise nothing */ + + if ( dist < 48 ) + dist = ( dist + 64 ) >> 1; + + else if ( dist < 128 ) + dist = ( dist + 22 ) & ~63; + else + /* round otherwise to prevent color fringes in LCD mode */ + dist = ( dist + 32 ) & ~63; + } + } + } + + Done_Width: + if ( sign ) + dist = -dist; + + return dist; + } + + + /* Align one stem edge relative to the previous stem edge. */ + + static void + af_cjk_align_linked_edge( AF_GlyphHints hints, + AF_Dimension dim, + AF_Edge base_edge, + AF_Edge stem_edge ) + { + FT_Pos dist = stem_edge->opos - base_edge->opos; + + FT_Pos fitted_width = af_cjk_compute_stem_width( hints, dim, dist, + base_edge->flags, + stem_edge->flags ); + + + stem_edge->pos = base_edge->pos + fitted_width; + + FT_TRACE5(( " CJKLINK: edge %d @%d (opos=%.2f) linked to %.2f," + " dist was %.2f, now %.2f\n", + stem_edge - hints->axis[dim].edges, stem_edge->fpos, + stem_edge->opos / 64.0, stem_edge->pos / 64.0, + dist / 64.0, fitted_width / 64.0 )); + } + + + /* Shift the coordinates of the `serif' edge by the same amount */ + /* as the corresponding `base' edge has been moved already. */ + + static void + af_cjk_align_serif_edge( AF_GlyphHints hints, + AF_Edge base, + AF_Edge serif ) + { + FT_UNUSED( hints ); + + serif->pos = base->pos + ( serif->opos - base->opos ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** E D G E H I N T I N G ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + +#define AF_LIGHT_MODE_MAX_HORZ_GAP 9 +#define AF_LIGHT_MODE_MAX_VERT_GAP 15 +#define AF_LIGHT_MODE_MAX_DELTA_ABS 14 + + + static FT_Pos + af_hint_normal_stem( AF_GlyphHints hints, + AF_Edge edge, + AF_Edge edge2, + FT_Pos anchor, + AF_Dimension dim ) + { + FT_Pos org_len, cur_len, org_center; + FT_Pos cur_pos1, cur_pos2; + FT_Pos d_off1, u_off1, d_off2, u_off2, delta; + FT_Pos offset; + FT_Pos threshold = 64; + + + if ( !AF_LATIN_HINTS_DO_STEM_ADJUST( hints ) ) + { + if ( ( edge->flags & AF_EDGE_ROUND ) && + ( edge2->flags & AF_EDGE_ROUND ) ) + { + if ( dim == AF_DIMENSION_VERT ) + threshold = 64 - AF_LIGHT_MODE_MAX_HORZ_GAP; + else + threshold = 64 - AF_LIGHT_MODE_MAX_VERT_GAP; + } + else + { + if ( dim == AF_DIMENSION_VERT ) + threshold = 64 - AF_LIGHT_MODE_MAX_HORZ_GAP / 3; + else + threshold = 64 - AF_LIGHT_MODE_MAX_VERT_GAP / 3; + } + } + + org_len = edge2->opos - edge->opos; + cur_len = af_cjk_compute_stem_width( hints, dim, org_len, + edge->flags, + edge2->flags ); + + org_center = ( edge->opos + edge2->opos ) / 2 + anchor; + cur_pos1 = org_center - cur_len / 2; + cur_pos2 = cur_pos1 + cur_len; + d_off1 = cur_pos1 - FT_PIX_FLOOR( cur_pos1 ); + d_off2 = cur_pos2 - FT_PIX_FLOOR( cur_pos2 ); + u_off1 = 64 - d_off1; + u_off2 = 64 - d_off2; + delta = 0; + + + if ( d_off1 == 0 || d_off2 == 0 ) + goto Exit; + + if ( cur_len <= threshold ) + { + if ( d_off2 < cur_len ) + { + if ( u_off1 <= d_off2 ) + delta = u_off1; + else + delta = -d_off2; + } + + goto Exit; + } + + if ( threshold < 64 ) + { + if ( d_off1 >= threshold || u_off1 >= threshold || + d_off2 >= threshold || u_off2 >= threshold ) + goto Exit; + } + + offset = cur_len & 63; + + if ( offset < 32 ) + { + if ( u_off1 <= offset || d_off2 <= offset ) + goto Exit; + } + else + offset = 64 - threshold; + + d_off1 = threshold - u_off1; + u_off1 = u_off1 - offset; + u_off2 = threshold - d_off2; + d_off2 = d_off2 - offset; + + if ( d_off1 <= u_off1 ) + u_off1 = -d_off1; + + if ( d_off2 <= u_off2 ) + u_off2 = -d_off2; + + if ( FT_ABS( u_off1 ) <= FT_ABS( u_off2 ) ) + delta = u_off1; + else + delta = u_off2; + + Exit: + +#if 1 + if ( !AF_LATIN_HINTS_DO_STEM_ADJUST( hints ) ) + { + if ( delta > AF_LIGHT_MODE_MAX_DELTA_ABS ) + delta = AF_LIGHT_MODE_MAX_DELTA_ABS; + else if ( delta < -AF_LIGHT_MODE_MAX_DELTA_ABS ) + delta = -AF_LIGHT_MODE_MAX_DELTA_ABS; + } +#endif + + cur_pos1 += delta; + + if ( edge->opos < edge2->opos ) + { + edge->pos = cur_pos1; + edge2->pos = cur_pos1 + cur_len; + } + else + { + edge->pos = cur_pos1 + cur_len; + edge2->pos = cur_pos1; + } + + return delta; + } + + + /* The main grid-fitting routine. */ + + static void + af_cjk_hint_edges( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_AxisHints axis = &hints->axis[dim]; + AF_Edge edges = axis->edges; + AF_Edge edge_limit = edges + axis->num_edges; + FT_PtrDist n_edges; + AF_Edge edge; + AF_Edge anchor = NULL; + FT_Pos delta = 0; + FT_Int skipped = 0; + FT_Bool has_last_stem = FALSE; + FT_Pos last_stem_pos = 0; + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_UInt num_actions = 0; +#endif + + + FT_TRACE5(( "cjk %s edge hinting (style `%s')\n", + dim == AF_DIMENSION_VERT ? "horizontal" : "vertical", + af_style_names[hints->metrics->style_class->style] )); + + /* we begin by aligning all stems relative to the blue zone */ + + if ( AF_HINTS_DO_BLUES( hints ) ) + { + for ( edge = edges; edge < edge_limit; edge++ ) + { + AF_Width blue; + AF_Edge edge1, edge2; + + + if ( edge->flags & AF_EDGE_DONE ) + continue; + + blue = edge->blue_edge; + edge1 = NULL; + edge2 = edge->link; + + if ( blue ) + { + edge1 = edge; + } + else if ( edge2 && edge2->blue_edge ) + { + blue = edge2->blue_edge; + edge1 = edge2; + edge2 = edge; + } + + if ( !edge1 ) + continue; + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE5(( " CJKBLUE: edge %d @%d (opos=%.2f) snapped to %.2f," + " was %.2f\n", + edge1 - edges, edge1->fpos, edge1->opos / 64.0, + blue->fit / 64.0, edge1->pos / 64.0 )); + + num_actions++; +#endif + + edge1->pos = blue->fit; + edge1->flags |= AF_EDGE_DONE; + + if ( edge2 && !edge2->blue_edge ) + { + af_cjk_align_linked_edge( hints, dim, edge1, edge2 ); + edge2->flags |= AF_EDGE_DONE; + +#ifdef FT_DEBUG_LEVEL_TRACE + num_actions++; +#endif + } + + if ( !anchor ) + anchor = edge; + } + } + + /* now we align all stem edges. */ + for ( edge = edges; edge < edge_limit; edge++ ) + { + AF_Edge edge2; + + + if ( edge->flags & AF_EDGE_DONE ) + continue; + + /* skip all non-stem edges */ + edge2 = edge->link; + if ( !edge2 ) + { + skipped++; + continue; + } + + /* Some CJK characters have so many stems that + * the hinter is likely to merge two adjacent ones. + * To solve this problem, if either edge of a stem + * is too close to the previous one, we avoid + * aligning the two edges, but rather interpolate + * their locations at the end of this function in + * order to preserve the space between the stems. + */ + if ( has_last_stem && + ( edge->pos < last_stem_pos + 64 || + edge2->pos < last_stem_pos + 64 ) ) + { + skipped++; + continue; + } + + /* now align the stem */ + + /* this should not happen, but it's better to be safe */ + if ( edge2->blue_edge ) + { + FT_TRACE5(( "ASSERTION FAILED for edge %d\n", edge2-edges )); + + af_cjk_align_linked_edge( hints, dim, edge2, edge ); + edge->flags |= AF_EDGE_DONE; + +#ifdef FT_DEBUG_LEVEL_TRACE + num_actions++; +#endif + + continue; + } + + if ( edge2 < edge ) + { + af_cjk_align_linked_edge( hints, dim, edge2, edge ); + edge->flags |= AF_EDGE_DONE; + +#ifdef FT_DEBUG_LEVEL_TRACE + num_actions++; +#endif + + /* We rarely reaches here it seems; + * usually the two edges belonging + * to one stem are marked as DONE together + */ + has_last_stem = TRUE; + last_stem_pos = edge->pos; + continue; + } + + if ( dim != AF_DIMENSION_VERT && !anchor ) + { + +#if 0 + if ( fixedpitch ) + { + AF_Edge left = edge; + AF_Edge right = edge_limit - 1; + AF_EdgeRec left1, left2, right1, right2; + FT_Pos target, center1, center2; + FT_Pos delta1, delta2, d1, d2; + + + while ( right > left && !right->link ) + right--; + + left1 = *left; + left2 = *left->link; + right1 = *right->link; + right2 = *right; + + delta = ( ( ( hinter->pp2.x + 32 ) & -64 ) - hinter->pp2.x ) / 2; + target = left->opos + ( right->opos - left->opos ) / 2 + delta - 16; + + delta1 = delta; + delta1 += af_hint_normal_stem( hints, left, left->link, + delta1, 0 ); + + if ( left->link != right ) + af_hint_normal_stem( hints, right->link, right, delta1, 0 ); + + center1 = left->pos + ( right->pos - left->pos ) / 2; + + if ( center1 >= target ) + delta2 = delta - 32; + else + delta2 = delta + 32; + + delta2 += af_hint_normal_stem( hints, &left1, &left2, delta2, 0 ); + + if ( delta1 != delta2 ) + { + if ( left->link != right ) + af_hint_normal_stem( hints, &right1, &right2, delta2, 0 ); + + center2 = left1.pos + ( right2.pos - left1.pos ) / 2; + + d1 = center1 - target; + d2 = center2 - target; + + if ( FT_ABS( d2 ) < FT_ABS( d1 ) ) + { + left->pos = left1.pos; + left->link->pos = left2.pos; + + if ( left->link != right ) + { + right->link->pos = right1.pos; + right->pos = right2.pos; + } + + delta1 = delta2; + } + } + + delta = delta1; + right->link->flags |= AF_EDGE_DONE; + right->flags |= AF_EDGE_DONE; + } + else + +#endif /* 0 */ + + delta = af_hint_normal_stem( hints, edge, edge2, 0, + AF_DIMENSION_HORZ ); + } + else + af_hint_normal_stem( hints, edge, edge2, delta, dim ); + +#if 0 + printf( "stem (%d,%d) adjusted (%.1f,%.1f)\n", + edge - edges, edge2 - edges, + ( edge->pos - edge->opos ) / 64.0, + ( edge2->pos - edge2->opos ) / 64.0 ); +#endif + + anchor = edge; + edge->flags |= AF_EDGE_DONE; + edge2->flags |= AF_EDGE_DONE; + has_last_stem = TRUE; + last_stem_pos = edge2->pos; + } + + /* make sure that lowercase m's maintain their symmetry */ + + /* In general, lowercase m's have six vertical edges if they are sans */ + /* serif, or twelve if they are with serifs. This implementation is */ + /* based on that assumption, and seems to work very well with most */ + /* faces. However, if for a certain face this assumption is not */ + /* true, the m is just rendered like before. In addition, any stem */ + /* correction will only be applied to symmetrical glyphs (even if the */ + /* glyph is not an m), so the potential for unwanted distortion is */ + /* relatively low. */ + + /* We don't handle horizontal edges since we can't easily assure that */ + /* the third (lowest) stem aligns with the base line; it might end up */ + /* one pixel higher or lower. */ + + n_edges = edge_limit - edges; + if ( dim == AF_DIMENSION_HORZ && ( n_edges == 6 || n_edges == 12 ) ) + { + AF_Edge edge1, edge2, edge3; + FT_Pos dist1, dist2, span; + + + if ( n_edges == 6 ) + { + edge1 = edges; + edge2 = edges + 2; + edge3 = edges + 4; + } + else + { + edge1 = edges + 1; + edge2 = edges + 5; + edge3 = edges + 9; + } + + dist1 = edge2->opos - edge1->opos; + dist2 = edge3->opos - edge2->opos; + + span = dist1 - dist2; + if ( span < 0 ) + span = -span; + + if ( edge1->link == edge1 + 1 && + edge2->link == edge2 + 1 && + edge3->link == edge3 + 1 && span < 8 ) + { + delta = edge3->pos - ( 2 * edge2->pos - edge1->pos ); + edge3->pos -= delta; + if ( edge3->link ) + edge3->link->pos -= delta; + + /* move the serifs along with the stem */ + if ( n_edges == 12 ) + { + ( edges + 8 )->pos -= delta; + ( edges + 11 )->pos -= delta; + } + + edge3->flags |= AF_EDGE_DONE; + if ( edge3->link ) + edge3->link->flags |= AF_EDGE_DONE; + } + } + + if ( !skipped ) + goto Exit; + + /* + * now hint the remaining edges (serifs and single) in order + * to complete our processing + */ + for ( edge = edges; edge < edge_limit; edge++ ) + { + if ( edge->flags & AF_EDGE_DONE ) + continue; + + if ( edge->serif ) + { + af_cjk_align_serif_edge( hints, edge->serif, edge ); + edge->flags |= AF_EDGE_DONE; + skipped--; + } + } + + if ( !skipped ) + goto Exit; + + for ( edge = edges; edge < edge_limit; edge++ ) + { + AF_Edge before, after; + + + if ( edge->flags & AF_EDGE_DONE ) + continue; + + before = after = edge; + + while ( --before >= edges ) + if ( before->flags & AF_EDGE_DONE ) + break; + + while ( ++after < edge_limit ) + if ( after->flags & AF_EDGE_DONE ) + break; + + if ( before >= edges || after < edge_limit ) + { + if ( before < edges ) + af_cjk_align_serif_edge( hints, after, edge ); + else if ( after >= edge_limit ) + af_cjk_align_serif_edge( hints, before, edge ); + else + { + if ( after->fpos == before->fpos ) + edge->pos = before->pos; + else + edge->pos = before->pos + + FT_MulDiv( edge->fpos - before->fpos, + after->pos - before->pos, + after->fpos - before->fpos ); + } + } + } + + Exit: + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !num_actions ) + FT_TRACE5(( " (none)\n" )); + FT_TRACE5(( "\n" )); +#endif + + return; + } + + + static void + af_cjk_align_edge_points( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_AxisHints axis = & hints->axis[dim]; + AF_Edge edges = axis->edges; + AF_Edge edge_limit = edges + axis->num_edges; + AF_Edge edge; + FT_Bool snapping; + + + snapping = FT_BOOL( ( dim == AF_DIMENSION_HORZ && + AF_LATIN_HINTS_DO_HORZ_SNAP( hints ) ) || + ( dim == AF_DIMENSION_VERT && + AF_LATIN_HINTS_DO_VERT_SNAP( hints ) ) ); + + for ( edge = edges; edge < edge_limit; edge++ ) + { + /* move the points of each segment */ + /* in each edge to the edge's position */ + AF_Segment seg = edge->first; + + + if ( snapping ) + { + do + { + AF_Point point = seg->first; + + + for (;;) + { + if ( dim == AF_DIMENSION_HORZ ) + { + point->x = edge->pos; + point->flags |= AF_FLAG_TOUCH_X; + } + else + { + point->y = edge->pos; + point->flags |= AF_FLAG_TOUCH_Y; + } + + if ( point == seg->last ) + break; + + point = point->next; + } + + seg = seg->edge_next; + + } while ( seg != edge->first ); + } + else + { + FT_Pos delta = edge->pos - edge->opos; + + + do + { + AF_Point point = seg->first; + + + for (;;) + { + if ( dim == AF_DIMENSION_HORZ ) + { + point->x += delta; + point->flags |= AF_FLAG_TOUCH_X; + } + else + { + point->y += delta; + point->flags |= AF_FLAG_TOUCH_Y; + } + + if ( point == seg->last ) + break; + + point = point->next; + } + + seg = seg->edge_next; + + } while ( seg != edge->first ); + } + } + } + + + /* Apply the complete hinting algorithm to a CJK glyph. */ + + FT_LOCAL_DEF( FT_Error ) + af_cjk_hints_apply( FT_UInt glyph_index, + AF_GlyphHints hints, + FT_Outline* outline, + AF_CJKMetrics metrics ) + { + FT_Error error; + int dim; + + FT_UNUSED( metrics ); + FT_UNUSED( glyph_index ); + + + error = af_glyph_hints_reload( hints, outline ); + if ( error ) + goto Exit; + + /* analyze glyph outline */ + if ( AF_HINTS_DO_HORIZONTAL( hints ) ) + { + error = af_cjk_hints_detect_features( hints, AF_DIMENSION_HORZ ); + if ( error ) + goto Exit; + + af_cjk_hints_compute_blue_edges( hints, metrics, AF_DIMENSION_HORZ ); + } + + if ( AF_HINTS_DO_VERTICAL( hints ) ) + { + error = af_cjk_hints_detect_features( hints, AF_DIMENSION_VERT ); + if ( error ) + goto Exit; + + af_cjk_hints_compute_blue_edges( hints, metrics, AF_DIMENSION_VERT ); + } + + /* grid-fit the outline */ + for ( dim = 0; dim < AF_DIMENSION_MAX; dim++ ) + { + if ( ( dim == AF_DIMENSION_HORZ && AF_HINTS_DO_HORIZONTAL( hints ) ) || + ( dim == AF_DIMENSION_VERT && AF_HINTS_DO_VERTICAL( hints ) ) ) + { + +#ifdef AF_CONFIG_OPTION_USE_WARPER + if ( dim == AF_DIMENSION_HORZ && + metrics->root.scaler.render_mode == FT_RENDER_MODE_NORMAL && + AF_HINTS_DO_WARP( hints ) ) + { + AF_WarperRec warper; + FT_Fixed scale; + FT_Pos delta; + + + af_warper_compute( &warper, hints, (AF_Dimension)dim, + &scale, &delta ); + af_glyph_hints_scale_dim( hints, (AF_Dimension)dim, + scale, delta ); + continue; + } +#endif /* AF_CONFIG_OPTION_USE_WARPER */ + + af_cjk_hint_edges( hints, (AF_Dimension)dim ); + af_cjk_align_edge_points( hints, (AF_Dimension)dim ); + af_glyph_hints_align_strong_points( hints, (AF_Dimension)dim ); + af_glyph_hints_align_weak_points( hints, (AF_Dimension)dim ); + } + } + + af_glyph_hints_save( hints, outline ); + + Exit: + return error; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** C J K S C R I P T C L A S S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + AF_DEFINE_WRITING_SYSTEM_CLASS( + af_cjk_writing_system_class, + + AF_WRITING_SYSTEM_CJK, + + sizeof ( AF_CJKMetricsRec ), + + (AF_WritingSystem_InitMetricsFunc) af_cjk_metrics_init, /* style_metrics_init */ + (AF_WritingSystem_ScaleMetricsFunc)af_cjk_metrics_scale, /* style_metrics_scale */ + (AF_WritingSystem_DoneMetricsFunc) NULL, /* style_metrics_done */ + (AF_WritingSystem_GetStdWidthsFunc)af_cjk_get_standard_widths, /* style_metrics_getstdw */ + + (AF_WritingSystem_InitHintsFunc) af_cjk_hints_init, /* style_hints_init */ + (AF_WritingSystem_ApplyHintsFunc) af_cjk_hints_apply /* style_hints_apply */ + ) + + +#else /* !AF_CONFIG_OPTION_CJK */ + + + AF_DEFINE_WRITING_SYSTEM_CLASS( + af_cjk_writing_system_class, + + AF_WRITING_SYSTEM_CJK, + + sizeof ( AF_CJKMetricsRec ), + + (AF_WritingSystem_InitMetricsFunc) NULL, /* style_metrics_init */ + (AF_WritingSystem_ScaleMetricsFunc)NULL, /* style_metrics_scale */ + (AF_WritingSystem_DoneMetricsFunc) NULL, /* style_metrics_done */ + (AF_WritingSystem_GetStdWidthsFunc)NULL, /* style_metrics_getstdw */ + + (AF_WritingSystem_InitHintsFunc) NULL, /* style_hints_init */ + (AF_WritingSystem_ApplyHintsFunc) NULL /* style_hints_apply */ + ) + + +#endif /* !AF_CONFIG_OPTION_CJK */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afcjk.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afcjk.h new file mode 100644 index 00000000000..d229c0c9cff --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afcjk.h @@ -0,0 +1,141 @@ +/***************************************************************************/ +/* */ +/* afcjk.h */ +/* */ +/* Auto-fitter hinting routines for CJK writing system (specification). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFCJK_H_ +#define AFCJK_H_ + +#include "afhints.h" +#include "aflatin.h" + + +FT_BEGIN_HEADER + + + /* the CJK-specific writing system */ + + AF_DECLARE_WRITING_SYSTEM_CLASS( af_cjk_writing_system_class ) + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** C J K G L O B A L M E T R I C S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* + * CJK glyphs tend to fill the square. So we have both vertical and + * horizontal blue zones. But some glyphs have flat bounding strokes that + * leave some space between neighbour glyphs. + */ + +#define AF_CJK_IS_TOP_BLUE( b ) \ + ( (b)->properties & AF_BLUE_PROPERTY_CJK_TOP ) +#define AF_CJK_IS_HORIZ_BLUE( b ) \ + ( (b)->properties & AF_BLUE_PROPERTY_CJK_HORIZ ) +#define AF_CJK_IS_RIGHT_BLUE AF_CJK_IS_TOP_BLUE + +#define AF_CJK_MAX_WIDTHS 16 + + +#define AF_CJK_BLUE_ACTIVE ( 1U << 0 ) /* zone height is <= 3/4px */ +#define AF_CJK_BLUE_TOP ( 1U << 1 ) /* result of AF_CJK_IS_TOP_BLUE */ +#define AF_CJK_BLUE_ADJUSTMENT ( 1U << 2 ) /* used for scale adjustment */ + /* optimization */ + + + typedef struct AF_CJKBlueRec_ + { + AF_WidthRec ref; + AF_WidthRec shoot; /* undershoot */ + FT_UInt flags; + + } AF_CJKBlueRec, *AF_CJKBlue; + + + typedef struct AF_CJKAxisRec_ + { + FT_Fixed scale; + FT_Pos delta; + + FT_UInt width_count; /* number of used widths */ + AF_WidthRec widths[AF_CJK_MAX_WIDTHS]; /* widths array */ + FT_Pos edge_distance_threshold; /* used for creating edges */ + FT_Pos standard_width; /* the default stem thickness */ + FT_Bool extra_light; /* is standard width very light? */ + + /* used for horizontal metrics too for CJK */ + FT_Bool control_overshoot; + FT_UInt blue_count; + AF_CJKBlueRec blues[AF_BLUE_STRINGSET_MAX]; + + FT_Fixed org_scale; + FT_Pos org_delta; + + } AF_CJKAxisRec, *AF_CJKAxis; + + + typedef struct AF_CJKMetricsRec_ + { + AF_StyleMetricsRec root; + FT_UInt units_per_em; + AF_CJKAxisRec axis[AF_DIMENSION_MAX]; + + } AF_CJKMetricsRec, *AF_CJKMetrics; + + +#ifdef AF_CONFIG_OPTION_CJK + FT_LOCAL( FT_Error ) + af_cjk_metrics_init( AF_CJKMetrics metrics, + FT_Face face ); + + FT_LOCAL( void ) + af_cjk_metrics_scale( AF_CJKMetrics metrics, + AF_Scaler scaler ); + + FT_LOCAL( FT_Error ) + af_cjk_hints_init( AF_GlyphHints hints, + AF_CJKMetrics metrics ); + + FT_LOCAL( FT_Error ) + af_cjk_hints_apply( FT_UInt glyph_index, + AF_GlyphHints hints, + FT_Outline* outline, + AF_CJKMetrics metrics ); + + /* shared; called from afindic.c */ + FT_LOCAL( void ) + af_cjk_metrics_check_digits( AF_CJKMetrics metrics, + FT_Face face ); + + FT_LOCAL( void ) + af_cjk_metrics_init_widths( AF_CJKMetrics metrics, + FT_Face face ); +#endif /* AF_CONFIG_OPTION_CJK */ + + +/* */ + +FT_END_HEADER + +#endif /* AFCJK_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afcover.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afcover.h new file mode 100644 index 00000000000..6eeb8fc9fb7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afcover.h @@ -0,0 +1,105 @@ +/***************************************************************************/ +/* */ +/* afcover.h */ +/* */ +/* Auto-fitter coverages (specification only). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /* This header file can be included multiple times. */ + /* Define `COVERAGE' as needed. */ + + + /* Add new coverages here. The first and second arguments are the */ + /* coverage name in lowercase and uppercase, respectively, followed */ + /* by a description string. The last four arguments are the four */ + /* characters defining the corresponding OpenType feature. */ + +#if 0 + /* XXX: It's not possible to define blue zone characters in advance. */ + COVERAGE( alternative_fractions, ALTERNATIVE_FRACTIONS, + "alternative fractions", + 'a', 'f', 'r', 'c' ) +#endif + + COVERAGE( petite_capitals_from_capitals, PETITE_CAPITALS_FROM_CAPITALS, + "petite capitals from capitals", + 'c', '2', 'c', 'p' ) + + COVERAGE( small_capitals_from_capitals, SMALL_CAPITALS_FROM_CAPITALS, + "small capitals from capitals", + 'c', '2', 's', 'c' ) + +#if 0 + /* XXX: Only digits are in this coverage, however, both normal style */ + /* and oldstyle representation forms are possible. */ + COVERAGE( denominators, DENOMINATORS, + "denominators", + 'd', 'n', 'o', 'm' ) +#endif + +#if 0 + /* XXX: It's not possible to define blue zone characters in advance. */ + COVERAGE( fractions, FRACTIONS, + "fractions", + 'f', 'r', 'a', 'c' ) +#endif + +#if 0 + /* XXX: Only digits are in this coverage, however, both normal style */ + /* and oldstyle representation forms are possible. */ + COVERAGE( numerators, NUMERATORS, + "numerators", + 'n', 'u', 'm', 'r' ) +#endif + + COVERAGE( ordinals, ORDINALS, + "ordinals", + 'o', 'r', 'd', 'n' ) + + COVERAGE( petite_capitals, PETITE_CAPITALS, + "petite capitals", + 'p', 'c', 'a', 'p' ) + + COVERAGE( ruby, RUBY, + "ruby", + 'r', 'u', 'b', 'y' ) + + COVERAGE( scientific_inferiors, SCIENTIFIC_INFERIORS, + "scientific inferiors", + 's', 'i', 'n', 'f' ) + + COVERAGE( small_capitals, SMALL_CAPITALS, + "small capitals", + 's', 'm', 'c', 'p' ) + + COVERAGE( subscript, SUBSCRIPT, + "subscript", + 's', 'u', 'b', 's' ) + + COVERAGE( superscript, SUPERSCRIPT, + "superscript", + 's', 'u', 'p', 's' ) + + COVERAGE( titling, TITLING, + "titling", + 't', 'i', 't', 'l' ) + +#if 0 + /* to be always excluded */ + COVERAGE(nalt, 'n', 'a', 'l', 't'); /* Alternate Annotation Forms (?) */ + COVERAGE(ornm, 'o', 'r', 'n', 'm'); /* Ornaments (?) */ +#endif + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afdummy.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afdummy.c new file mode 100644 index 00000000000..f30c517cbb3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afdummy.c @@ -0,0 +1,75 @@ +/***************************************************************************/ +/* */ +/* afdummy.c */ +/* */ +/* Auto-fitter dummy routines to be used if no hinting should be */ +/* performed (body). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "afdummy.h" +#include "afhints.h" +#include "aferrors.h" + + + static FT_Error + af_dummy_hints_init( AF_GlyphHints hints, + AF_StyleMetrics metrics ) + { + af_glyph_hints_rescale( hints, metrics ); + + hints->x_scale = metrics->scaler.x_scale; + hints->y_scale = metrics->scaler.y_scale; + hints->x_delta = metrics->scaler.x_delta; + hints->y_delta = metrics->scaler.y_delta; + + return FT_Err_Ok; + } + + + static FT_Error + af_dummy_hints_apply( FT_UInt glyph_index, + AF_GlyphHints hints, + FT_Outline* outline ) + { + FT_Error error; + + FT_UNUSED( glyph_index ); + + + error = af_glyph_hints_reload( hints, outline ); + if ( !error ) + af_glyph_hints_save( hints, outline ); + + return error; + } + + + AF_DEFINE_WRITING_SYSTEM_CLASS( + af_dummy_writing_system_class, + + AF_WRITING_SYSTEM_DUMMY, + + sizeof ( AF_StyleMetricsRec ), + + (AF_WritingSystem_InitMetricsFunc) NULL, /* style_metrics_init */ + (AF_WritingSystem_ScaleMetricsFunc)NULL, /* style_metrics_scale */ + (AF_WritingSystem_DoneMetricsFunc) NULL, /* style_metrics_done */ + (AF_WritingSystem_GetStdWidthsFunc)NULL, /* style_metrics_getstdw */ + + (AF_WritingSystem_InitHintsFunc) af_dummy_hints_init, /* style_hints_init */ + (AF_WritingSystem_ApplyHintsFunc) af_dummy_hints_apply /* style_hints_apply */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afdummy.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afdummy.h new file mode 100644 index 00000000000..b382acd92ae --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afdummy.h @@ -0,0 +1,40 @@ +/***************************************************************************/ +/* */ +/* afdummy.h */ +/* */ +/* Auto-fitter dummy routines to be used if no hinting should be */ +/* performed (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFDUMMY_H_ +#define AFDUMMY_H_ + +#include "aftypes.h" + + +FT_BEGIN_HEADER + + /* A dummy writing system used when no hinting should be performed. */ + + AF_DECLARE_WRITING_SYSTEM_CLASS( af_dummy_writing_system_class ) + +/* */ + +FT_END_HEADER + + +#endif /* AFDUMMY_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aferrors.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aferrors.h new file mode 100644 index 00000000000..e5de54360f7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aferrors.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* aferrors.h */ +/* */ +/* Autofitter error codes (specification only). */ +/* */ +/* Copyright 2005-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the Autofitter error enumeration */ + /* constants. */ + /* */ + /*************************************************************************/ + +#ifndef AFERRORS_H_ +#define AFERRORS_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX AF_Err_ +#define FT_ERR_BASE FT_Mod_Err_Autofit + +#include FT_ERRORS_H + +#endif /* AFERRORS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afglobal.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afglobal.c new file mode 100644 index 00000000000..3d09c53e8a0 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afglobal.c @@ -0,0 +1,503 @@ +/***************************************************************************/ +/* */ +/* afglobal.c */ +/* */ +/* Auto-fitter routines to compute global hinting values (body). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "afglobal.h" +#include "afranges.h" +#include "afshaper.h" +#include FT_INTERNAL_DEBUG_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_afglobal + + + /* get writing system specific header files */ +#undef WRITING_SYSTEM +#define WRITING_SYSTEM( ws, WS ) /* empty */ +#include "afwrtsys.h" + +#include "aferrors.h" +#include "afpic.h" + + +#undef SCRIPT +#define SCRIPT( s, S, d, h, H, ss ) \ + AF_DEFINE_SCRIPT_CLASS( \ + af_ ## s ## _script_class, \ + AF_SCRIPT_ ## S, \ + af_ ## s ## _uniranges, \ + af_ ## s ## _nonbase_uniranges, \ + AF_ ## H, \ + ss ) + +#include "afscript.h" + + +#undef STYLE +#define STYLE( s, S, d, ws, sc, ss, c ) \ + AF_DEFINE_STYLE_CLASS( \ + af_ ## s ## _style_class, \ + AF_STYLE_ ## S, \ + ws, \ + sc, \ + ss, \ + c ) + +#include "afstyles.h" + + +#ifndef FT_CONFIG_OPTION_PIC + +#undef WRITING_SYSTEM +#define WRITING_SYSTEM( ws, WS ) \ + &af_ ## ws ## _writing_system_class, + + FT_LOCAL_ARRAY_DEF( AF_WritingSystemClass ) + af_writing_system_classes[] = + { + +#include "afwrtsys.h" + + NULL /* do not remove */ + }; + + +#undef SCRIPT +#define SCRIPT( s, S, d, h, H, ss ) \ + &af_ ## s ## _script_class, + + FT_LOCAL_ARRAY_DEF( AF_ScriptClass ) + af_script_classes[] = + { + +#include "afscript.h" + + NULL /* do not remove */ + }; + + +#undef STYLE +#define STYLE( s, S, d, ws, sc, ss, c ) \ + &af_ ## s ## _style_class, + + FT_LOCAL_ARRAY_DEF( AF_StyleClass ) + af_style_classes[] = + { + +#include "afstyles.h" + + NULL /* do not remove */ + }; + +#endif /* !FT_CONFIG_OPTION_PIC */ + + +#ifdef FT_DEBUG_LEVEL_TRACE + +#undef STYLE +#define STYLE( s, S, d, ws, sc, ss, c ) #s, + + FT_LOCAL_ARRAY_DEF( char* ) + af_style_names[] = + { + +#include "afstyles.h" + + }; + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + + /* Compute the style index of each glyph within a given face. */ + + static FT_Error + af_face_globals_compute_style_coverage( AF_FaceGlobals globals ) + { + FT_Error error; + FT_Face face = globals->face; + FT_CharMap old_charmap = face->charmap; + FT_UShort* gstyles = globals->glyph_styles; + FT_UInt ss; + FT_UInt i; + FT_UInt dflt = ~0U; /* a non-valid value */ + + + /* the value AF_STYLE_UNASSIGNED means `uncovered glyph' */ + for ( i = 0; i < (FT_UInt)globals->glyph_count; i++ ) + gstyles[i] = AF_STYLE_UNASSIGNED; + + error = FT_Select_Charmap( face, FT_ENCODING_UNICODE ); + if ( error ) + { + /* + * Ignore this error; we simply use the fallback style. + * XXX: Shouldn't we rather disable hinting? + */ + error = FT_Err_Ok; + goto Exit; + } + + /* scan each style in a Unicode charmap */ + for ( ss = 0; AF_STYLE_CLASSES_GET[ss]; ss++ ) + { + AF_StyleClass style_class = + AF_STYLE_CLASSES_GET[ss]; + AF_ScriptClass script_class = + AF_SCRIPT_CLASSES_GET[style_class->script]; + AF_Script_UniRange range; + + + if ( !script_class->script_uni_ranges ) + continue; + + /* + * Scan all Unicode points in the range and set the corresponding + * glyph style index. + */ + if ( style_class->coverage == AF_COVERAGE_DEFAULT ) + { + if ( (FT_UInt)style_class->script == + globals->module->default_script ) + dflt = ss; + + for ( range = script_class->script_uni_ranges; + range->first != 0; + range++ ) + { + FT_ULong charcode = range->first; + FT_UInt gindex; + + + gindex = FT_Get_Char_Index( face, charcode ); + + if ( gindex != 0 && + gindex < (FT_ULong)globals->glyph_count && + ( gstyles[gindex] & AF_STYLE_MASK ) == AF_STYLE_UNASSIGNED ) + gstyles[gindex] = (FT_UShort)ss; + + for (;;) + { + charcode = FT_Get_Next_Char( face, charcode, &gindex ); + + if ( gindex == 0 || charcode > range->last ) + break; + + if ( gindex < (FT_ULong)globals->glyph_count && + ( gstyles[gindex] & AF_STYLE_MASK ) == AF_STYLE_UNASSIGNED ) + gstyles[gindex] = (FT_UShort)ss; + } + } + + /* do the same for the script's non-base characters */ + for ( range = script_class->script_uni_nonbase_ranges; + range->first != 0; + range++ ) + { + FT_ULong charcode = range->first; + FT_UInt gindex; + + + gindex = FT_Get_Char_Index( face, charcode ); + + if ( gindex != 0 && + gindex < (FT_ULong)globals->glyph_count && + ( gstyles[gindex] & AF_STYLE_MASK ) == (FT_UShort)ss ) + gstyles[gindex] |= AF_NONBASE; + + for (;;) + { + charcode = FT_Get_Next_Char( face, charcode, &gindex ); + + if ( gindex == 0 || charcode > range->last ) + break; + + if ( gindex < (FT_ULong)globals->glyph_count && + ( gstyles[gindex] & AF_STYLE_MASK ) == (FT_UShort)ss ) + gstyles[gindex] |= AF_NONBASE; + } + } + } + else + { + /* get glyphs not directly addressable by cmap */ + af_shaper_get_coverage( globals, style_class, gstyles, 0 ); + } + } + + /* handle the remaining default OpenType features ... */ + for ( ss = 0; AF_STYLE_CLASSES_GET[ss]; ss++ ) + { + AF_StyleClass style_class = AF_STYLE_CLASSES_GET[ss]; + + + if ( style_class->coverage == AF_COVERAGE_DEFAULT ) + af_shaper_get_coverage( globals, style_class, gstyles, 0 ); + } + + /* ... and finally the default OpenType features of the default script */ + af_shaper_get_coverage( globals, AF_STYLE_CLASSES_GET[dflt], gstyles, 1 ); + + /* mark ASCII digits */ + for ( i = 0x30; i <= 0x39; i++ ) + { + FT_UInt gindex = FT_Get_Char_Index( face, i ); + + + if ( gindex != 0 && gindex < (FT_ULong)globals->glyph_count ) + gstyles[gindex] |= AF_DIGIT; + } + + Exit: + /* + * By default, all uncovered glyphs are set to the fallback style. + * XXX: Shouldn't we disable hinting or do something similar? + */ + if ( globals->module->fallback_style != AF_STYLE_UNASSIGNED ) + { + FT_Long nn; + + + for ( nn = 0; nn < globals->glyph_count; nn++ ) + { + if ( ( gstyles[nn] & AF_STYLE_MASK ) == AF_STYLE_UNASSIGNED ) + { + gstyles[nn] &= ~AF_STYLE_MASK; + gstyles[nn] |= globals->module->fallback_style; + } + } + } + +#ifdef FT_DEBUG_LEVEL_TRACE + + FT_TRACE4(( "\n" + "style coverage\n" + "==============\n" + "\n" )); + + for ( ss = 0; AF_STYLE_CLASSES_GET[ss]; ss++ ) + { + AF_StyleClass style_class = AF_STYLE_CLASSES_GET[ss]; + FT_UInt count = 0; + FT_Long idx; + + + FT_TRACE4(( "%s:\n", af_style_names[style_class->style] )); + + for ( idx = 0; idx < globals->glyph_count; idx++ ) + { + if ( ( gstyles[idx] & AF_STYLE_MASK ) == style_class->style ) + { + if ( !( count % 10 ) ) + FT_TRACE4(( " " )); + + FT_TRACE4(( " %d", idx )); + count++; + + if ( !( count % 10 ) ) + FT_TRACE4(( "\n" )); + } + } + + if ( !count ) + FT_TRACE4(( " (none)\n" )); + if ( count % 10 ) + FT_TRACE4(( "\n" )); + } + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + FT_Set_Charmap( face, old_charmap ); + return error; + } + + + FT_LOCAL_DEF( FT_Error ) + af_face_globals_new( FT_Face face, + AF_FaceGlobals *aglobals, + AF_Module module ) + { + FT_Error error; + FT_Memory memory; + AF_FaceGlobals globals = NULL; + + + memory = face->memory; + + /* we allocate an AF_FaceGlobals structure together */ + /* with the glyph_styles array */ + if ( FT_ALLOC( globals, + sizeof ( *globals ) + + (FT_ULong)face->num_glyphs * sizeof ( FT_UShort ) ) ) + goto Exit; + + globals->face = face; + globals->glyph_count = face->num_glyphs; + /* right after the globals structure come the glyph styles */ + globals->glyph_styles = (FT_UShort*)( globals + 1 ); + globals->module = module; + globals->stem_darkening_for_ppem = 0; + globals->darken_x = 0; + globals->darken_y = 0; + globals->standard_vertical_width = 0; + globals->standard_horizontal_width = 0; + globals->scale_down_factor = 0; + +#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ + globals->hb_font = hb_ft_font_create( face, NULL ); + globals->hb_buf = hb_buffer_create(); +#endif + + error = af_face_globals_compute_style_coverage( globals ); + if ( error ) + { + af_face_globals_free( globals ); + globals = NULL; + } + else + globals->increase_x_height = AF_PROP_INCREASE_X_HEIGHT_MAX; + + Exit: + *aglobals = globals; + return error; + } + + + FT_LOCAL_DEF( void ) + af_face_globals_free( AF_FaceGlobals globals ) + { + if ( globals ) + { + FT_Memory memory = globals->face->memory; + FT_UInt nn; + + + for ( nn = 0; nn < AF_STYLE_MAX; nn++ ) + { + if ( globals->metrics[nn] ) + { + AF_StyleClass style_class = + AF_STYLE_CLASSES_GET[nn]; + AF_WritingSystemClass writing_system_class = + AF_WRITING_SYSTEM_CLASSES_GET[style_class->writing_system]; + + + if ( writing_system_class->style_metrics_done ) + writing_system_class->style_metrics_done( globals->metrics[nn] ); + + FT_FREE( globals->metrics[nn] ); + } + } + +#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ + hb_font_destroy( globals->hb_font ); + hb_buffer_destroy( globals->hb_buf ); +#endif + + /* no need to free `globals->glyph_styles'; */ + /* it is part of the `globals' array */ + FT_FREE( globals ); + } + } + + + FT_LOCAL_DEF( FT_Error ) + af_face_globals_get_metrics( AF_FaceGlobals globals, + FT_UInt gindex, + FT_UInt options, + AF_StyleMetrics *ametrics ) + { + AF_StyleMetrics metrics = NULL; + + AF_Style style = (AF_Style)options; + AF_WritingSystemClass writing_system_class; + AF_StyleClass style_class; + + FT_Error error = FT_Err_Ok; + + + if ( gindex >= (FT_ULong)globals->glyph_count ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + /* if we have a forced style (via `options'), use it, */ + /* otherwise look into `glyph_styles' array */ + if ( style == AF_STYLE_NONE_DFLT || style + 1 >= AF_STYLE_MAX ) + style = (AF_Style)( globals->glyph_styles[gindex] & + AF_STYLE_UNASSIGNED ); + + style_class = AF_STYLE_CLASSES_GET[style]; + writing_system_class = AF_WRITING_SYSTEM_CLASSES_GET + [style_class->writing_system]; + + metrics = globals->metrics[style]; + if ( !metrics ) + { + /* create the global metrics object if necessary */ + FT_Memory memory = globals->face->memory; + + + if ( FT_ALLOC( metrics, writing_system_class->style_metrics_size ) ) + goto Exit; + + metrics->style_class = style_class; + metrics->globals = globals; + + if ( writing_system_class->style_metrics_init ) + { + error = writing_system_class->style_metrics_init( metrics, + globals->face ); + if ( error ) + { + if ( writing_system_class->style_metrics_done ) + writing_system_class->style_metrics_done( metrics ); + + FT_FREE( metrics ); + goto Exit; + } + } + + globals->metrics[style] = metrics; + } + + Exit: + *ametrics = metrics; + + return error; + } + + + FT_LOCAL_DEF( FT_Bool ) + af_face_globals_is_digit( AF_FaceGlobals globals, + FT_UInt gindex ) + { + if ( gindex < (FT_ULong)globals->glyph_count ) + return (FT_Bool)( globals->glyph_styles[gindex] & AF_DIGIT ); + + return (FT_Bool)0; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afglobal.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afglobal.h new file mode 100644 index 00000000000..489ed46d9ee --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afglobal.h @@ -0,0 +1,173 @@ +/***************************************************************************/ +/* */ +/* afglobal.h */ +/* */ +/* Auto-fitter routines to compute global hinting values */ +/* (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFGLOBAL_H_ +#define AFGLOBAL_H_ + + +#include "aftypes.h" +#include "afmodule.h" +#include "afshaper.h" + + +FT_BEGIN_HEADER + + + FT_LOCAL_ARRAY( AF_WritingSystemClass ) + af_writing_system_classes[]; + + +#undef SCRIPT +#define SCRIPT( s, S, d, h, H, ss ) \ + AF_DECLARE_SCRIPT_CLASS( af_ ## s ## _script_class ) + +#include "afscript.h" + + FT_LOCAL_ARRAY( AF_ScriptClass ) + af_script_classes[]; + + +#undef STYLE +#define STYLE( s, S, d, ws, sc, ss, c ) \ + AF_DECLARE_STYLE_CLASS( af_ ## s ## _style_class ) + +#include "afstyles.h" + + FT_LOCAL_ARRAY( AF_StyleClass ) + af_style_classes[]; + + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_LOCAL_ARRAY( char* ) + af_style_names[]; +#endif + + + /* + * Default values and flags for both autofitter globals (found in + * AF_ModuleRec) and face globals (in AF_FaceGlobalsRec). + */ + + /* index of fallback style in `af_style_classes' */ +#ifdef AF_CONFIG_OPTION_CJK +#define AF_STYLE_FALLBACK AF_STYLE_HANI_DFLT +#else +#define AF_STYLE_FALLBACK AF_STYLE_NONE_DFLT +#endif + /* default script for OpenType; ignored if HarfBuzz isn't used */ +#define AF_SCRIPT_DEFAULT AF_SCRIPT_LATN + + /* a bit mask for AF_DIGIT and AF_NONBASE */ +#define AF_STYLE_MASK 0x3FFF + /* an uncovered glyph */ +#define AF_STYLE_UNASSIGNED AF_STYLE_MASK + + /* if this flag is set, we have an ASCII digit */ +#define AF_DIGIT 0x8000U + /* if this flag is set, we have a non-base character */ +#define AF_NONBASE 0x4000U + + /* `increase-x-height' property */ +#define AF_PROP_INCREASE_X_HEIGHT_MIN 6 +#define AF_PROP_INCREASE_X_HEIGHT_MAX 0 + + + /************************************************************************/ + /************************************************************************/ + /***** *****/ + /***** F A C E G L O B A L S *****/ + /***** *****/ + /************************************************************************/ + /************************************************************************/ + + + /* + * Note that glyph_styles[] maps each glyph to an index into the + * `af_style_classes' array. + * + */ + typedef struct AF_FaceGlobalsRec_ + { + FT_Face face; + FT_Long glyph_count; /* same as face->num_glyphs */ + FT_UShort* glyph_styles; + +#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ + hb_font_t* hb_font; + hb_buffer_t* hb_buf; /* for feature comparison */ +#endif + + /* per-face auto-hinter properties */ + FT_UInt increase_x_height; + + AF_StyleMetrics metrics[AF_STYLE_MAX]; + + /* Compute darkening amount once per size. Use this to check whether */ + /* darken_{x,y} needs to be recomputed. */ + FT_UShort stem_darkening_for_ppem; + /* Copy from e.g. AF_LatinMetrics.axis[AF_DIMENSION_HORZ] */ + /* to compute the darkening amount. */ + FT_Pos standard_vertical_width; + /* Copy from e.g. AF_LatinMetrics.axis[AF_DIMENSION_VERT] */ + /* to compute the darkening amount. */ + FT_Pos standard_horizontal_width; + /* The actual amount to darken a glyph along the X axis. */ + FT_Pos darken_x; + /* The actual amount to darken a glyph along the Y axis. */ + FT_Pos darken_y; + /* Amount to scale down by to keep emboldened points */ + /* on the Y-axis in pre-computed blue zones. */ + FT_Fixed scale_down_factor; + AF_Module module; /* to access global properties */ + + } AF_FaceGlobalsRec; + + + /* + * model the global hints data for a given face, decomposed into + * style-specific items + */ + + FT_LOCAL( FT_Error ) + af_face_globals_new( FT_Face face, + AF_FaceGlobals *aglobals, + AF_Module module ); + + FT_LOCAL( FT_Error ) + af_face_globals_get_metrics( AF_FaceGlobals globals, + FT_UInt gindex, + FT_UInt options, + AF_StyleMetrics *ametrics ); + + FT_LOCAL( void ) + af_face_globals_free( AF_FaceGlobals globals ); + + FT_LOCAL_DEF( FT_Bool ) + af_face_globals_is_digit( AF_FaceGlobals globals, + FT_UInt gindex ); + + /* */ + + +FT_END_HEADER + +#endif /* AFGLOBAL_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afhints.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afhints.c new file mode 100644 index 00000000000..0666dbc8e20 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afhints.c @@ -0,0 +1,1659 @@ +/***************************************************************************/ +/* */ +/* afhints.c */ +/* */ +/* Auto-fitter hinting routines (body). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "afhints.h" +#include "aferrors.h" +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_DEBUG_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_afhints + + + /* Get new segment for given axis. */ + + FT_LOCAL_DEF( FT_Error ) + af_axis_hints_new_segment( AF_AxisHints axis, + FT_Memory memory, + AF_Segment *asegment ) + { + FT_Error error = FT_Err_Ok; + AF_Segment segment = NULL; + + + if ( axis->num_segments < AF_SEGMENTS_EMBEDDED ) + { + if ( !axis->segments ) + { + axis->segments = axis->embedded.segments; + axis->max_segments = AF_SEGMENTS_EMBEDDED; + } + } + else if ( axis->num_segments >= axis->max_segments ) + { + FT_Int old_max = axis->max_segments; + FT_Int new_max = old_max; + FT_Int big_max = (FT_Int)( FT_INT_MAX / sizeof ( *segment ) ); + + + if ( old_max >= big_max ) + { + error = FT_THROW( Out_Of_Memory ); + goto Exit; + } + + new_max += ( new_max >> 2 ) + 4; + if ( new_max < old_max || new_max > big_max ) + new_max = big_max; + + if ( axis->segments == axis->embedded.segments ) + { + if ( FT_NEW_ARRAY( axis->segments, new_max ) ) + goto Exit; + ft_memcpy( axis->segments, axis->embedded.segments, + sizeof ( axis->embedded.segments ) ); + } + else + { + if ( FT_RENEW_ARRAY( axis->segments, old_max, new_max ) ) + goto Exit; + } + + axis->max_segments = new_max; + } + + segment = axis->segments + axis->num_segments++; + + Exit: + *asegment = segment; + return error; + } + + + /* Get new edge for given axis, direction, and position, */ + /* without initializing the edge itself. */ + + FT_LOCAL( FT_Error ) + af_axis_hints_new_edge( AF_AxisHints axis, + FT_Int fpos, + AF_Direction dir, + FT_Bool top_to_bottom_hinting, + FT_Memory memory, + AF_Edge *anedge ) + { + FT_Error error = FT_Err_Ok; + AF_Edge edge = NULL; + AF_Edge edges; + + + if ( axis->num_edges < AF_EDGES_EMBEDDED ) + { + if ( !axis->edges ) + { + axis->edges = axis->embedded.edges; + axis->max_edges = AF_EDGES_EMBEDDED; + } + } + else if ( axis->num_edges >= axis->max_edges ) + { + FT_Int old_max = axis->max_edges; + FT_Int new_max = old_max; + FT_Int big_max = (FT_Int)( FT_INT_MAX / sizeof ( *edge ) ); + + + if ( old_max >= big_max ) + { + error = FT_THROW( Out_Of_Memory ); + goto Exit; + } + + new_max += ( new_max >> 2 ) + 4; + if ( new_max < old_max || new_max > big_max ) + new_max = big_max; + + if ( axis->edges == axis->embedded.edges ) + { + if ( FT_NEW_ARRAY( axis->edges, new_max ) ) + goto Exit; + ft_memcpy( axis->edges, axis->embedded.edges, + sizeof ( axis->embedded.edges ) ); + } + else + { + if ( FT_RENEW_ARRAY( axis->edges, old_max, new_max ) ) + goto Exit; + } + + axis->max_edges = new_max; + } + + edges = axis->edges; + edge = edges + axis->num_edges; + + while ( edge > edges ) + { + if ( top_to_bottom_hinting ? ( edge[-1].fpos > fpos ) + : ( edge[-1].fpos < fpos ) ) + break; + + /* we want the edge with same position and minor direction */ + /* to appear before those in the major one in the list */ + if ( edge[-1].fpos == fpos && dir == axis->major_dir ) + break; + + edge[0] = edge[-1]; + edge--; + } + + axis->num_edges++; + + Exit: + *anedge = edge; + return error; + } + + +#ifdef FT_DEBUG_AUTOFIT + +#include FT_CONFIG_STANDARD_LIBRARY_H + + /* The dump functions are used in the `ftgrid' demo program, too. */ +#define AF_DUMP( varformat ) \ + do \ + { \ + if ( to_stdout ) \ + printf varformat; \ + else \ + FT_TRACE7( varformat ); \ + } while ( 0 ) + + + static const char* + af_dir_str( AF_Direction dir ) + { + const char* result; + + + switch ( dir ) + { + case AF_DIR_UP: + result = "up"; + break; + case AF_DIR_DOWN: + result = "down"; + break; + case AF_DIR_LEFT: + result = "left"; + break; + case AF_DIR_RIGHT: + result = "right"; + break; + default: + result = "none"; + } + + return result; + } + + +#define AF_INDEX_NUM( ptr, base ) (int)( (ptr) ? ( (ptr) - (base) ) : -1 ) + + + static char* + af_print_idx( char* p, + int idx ) + { + if ( idx == -1 ) + { + p[0] = '-'; + p[1] = '-'; + p[2] = '\0'; + } + else + ft_sprintf( p, "%d", idx ); + + return p; + } + + + static int + af_get_segment_index( AF_GlyphHints hints, + int point_idx, + int dimension ) + { + AF_AxisHints axis = &hints->axis[dimension]; + AF_Point point = hints->points + point_idx; + AF_Segment segments = axis->segments; + AF_Segment limit = segments + axis->num_segments; + AF_Segment segment; + + + for ( segment = segments; segment < limit; segment++ ) + { + if ( segment->first <= segment->last ) + { + if ( point >= segment->first && point <= segment->last ) + break; + } + else + { + AF_Point p = segment->first; + + + for (;;) + { + if ( point == p ) + goto Exit; + + if ( p == segment->last ) + break; + + p = p->next; + } + } + } + + Exit: + if ( segment == limit ) + return -1; + + return (int)( segment - segments ); + } + + + static int + af_get_edge_index( AF_GlyphHints hints, + int segment_idx, + int dimension ) + { + AF_AxisHints axis = &hints->axis[dimension]; + AF_Edge edges = axis->edges; + AF_Segment segment = axis->segments + segment_idx; + + + return segment_idx == -1 ? -1 : AF_INDEX_NUM( segment->edge, edges ); + } + + +#ifdef __cplusplus + extern "C" { +#endif + void + af_glyph_hints_dump_points( AF_GlyphHints hints, + FT_Bool to_stdout ) + { + AF_Point points = hints->points; + AF_Point limit = points + hints->num_points; + AF_Point* contour = hints->contours; + AF_Point* climit = contour + hints->num_contours; + AF_Point point; + + + AF_DUMP(( "Table of points:\n" )); + + if ( hints->num_points ) + { + AF_DUMP(( " index hedge hseg vedge vseg flags " + /* " XXXXX XXXXX XXXXX XXXXX XXXXX XXXXXX" */ + " xorg yorg xscale yscale xfit yfit" )); + /* " XXXXX XXXXX XXXX.XX XXXX.XX XXXX.XX XXXX.XX" */ + } + else + AF_DUMP(( " (none)\n" )); + + for ( point = points; point < limit; point++ ) + { + int point_idx = AF_INDEX_NUM( point, points ); + int segment_idx_0 = af_get_segment_index( hints, point_idx, 0 ); + int segment_idx_1 = af_get_segment_index( hints, point_idx, 1 ); + + char buf1[16], buf2[16], buf3[16], buf4[16]; + + + /* insert extra newline at the beginning of a contour */ + if ( contour < climit && *contour == point ) + { + AF_DUMP(( "\n" )); + contour++; + } + + AF_DUMP(( " %5d %5s %5s %5s %5s %s" + " %5d %5d %7.2f %7.2f %7.2f %7.2f\n", + point_idx, + af_print_idx( buf1, + af_get_edge_index( hints, segment_idx_1, 1 ) ), + af_print_idx( buf2, segment_idx_1 ), + af_print_idx( buf3, + af_get_edge_index( hints, segment_idx_0, 0 ) ), + af_print_idx( buf4, segment_idx_0 ), + ( point->flags & AF_FLAG_NEAR ) + ? " near " + : ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) + ? " weak " + : "strong", + + point->fx, + point->fy, + point->ox / 64.0, + point->oy / 64.0, + point->x / 64.0, + point->y / 64.0 )); + } + AF_DUMP(( "\n" )); + } +#ifdef __cplusplus + } +#endif + + + static const char* + af_edge_flags_to_string( FT_UInt flags ) + { + static char temp[32]; + int pos = 0; + + + if ( flags & AF_EDGE_ROUND ) + { + ft_memcpy( temp + pos, "round", 5 ); + pos += 5; + } + if ( flags & AF_EDGE_SERIF ) + { + if ( pos > 0 ) + temp[pos++] = ' '; + ft_memcpy( temp + pos, "serif", 5 ); + pos += 5; + } + if ( pos == 0 ) + return "normal"; + + temp[pos] = '\0'; + + return temp; + } + + + /* Dump the array of linked segments. */ + +#ifdef __cplusplus + extern "C" { +#endif + void + af_glyph_hints_dump_segments( AF_GlyphHints hints, + FT_Bool to_stdout ) + { + FT_Int dimension; + + + for ( dimension = 1; dimension >= 0; dimension-- ) + { + AF_AxisHints axis = &hints->axis[dimension]; + AF_Point points = hints->points; + AF_Edge edges = axis->edges; + AF_Segment segments = axis->segments; + AF_Segment limit = segments + axis->num_segments; + AF_Segment seg; + + char buf1[16], buf2[16], buf3[16]; + + + AF_DUMP(( "Table of %s segments:\n", + dimension == AF_DIMENSION_HORZ ? "vertical" + : "horizontal" )); + if ( axis->num_segments ) + { + AF_DUMP(( " index pos delta dir from to " + /* " XXXXX XXXXX XXXXX XXXXX XXXX XXXX" */ + " link serif edge" + /* " XXXX XXXXX XXXX" */ + " height extra flags\n" )); + /* " XXXXXX XXXXX XXXXXXXXXXX" */ + } + else + AF_DUMP(( " (none)\n" )); + + for ( seg = segments; seg < limit; seg++ ) + AF_DUMP(( " %5d %5d %5d %5s %4d %4d" + " %4s %5s %4s" + " %6d %5d %11s\n", + AF_INDEX_NUM( seg, segments ), + seg->pos, + seg->delta, + af_dir_str( (AF_Direction)seg->dir ), + AF_INDEX_NUM( seg->first, points ), + AF_INDEX_NUM( seg->last, points ), + + af_print_idx( buf1, AF_INDEX_NUM( seg->link, segments ) ), + af_print_idx( buf2, AF_INDEX_NUM( seg->serif, segments ) ), + af_print_idx( buf3, AF_INDEX_NUM( seg->edge, edges ) ), + + seg->height, + seg->height - ( seg->max_coord - seg->min_coord ), + af_edge_flags_to_string( seg->flags ) )); + AF_DUMP(( "\n" )); + } + } +#ifdef __cplusplus + } +#endif + + + /* Fetch number of segments. */ + +#ifdef __cplusplus + extern "C" { +#endif + FT_Error + af_glyph_hints_get_num_segments( AF_GlyphHints hints, + FT_Int dimension, + FT_Int* num_segments ) + { + AF_Dimension dim; + AF_AxisHints axis; + + + dim = ( dimension == 0 ) ? AF_DIMENSION_HORZ : AF_DIMENSION_VERT; + + axis = &hints->axis[dim]; + *num_segments = axis->num_segments; + + return FT_Err_Ok; + } +#ifdef __cplusplus + } +#endif + + + /* Fetch offset of segments into user supplied offset array. */ + +#ifdef __cplusplus + extern "C" { +#endif + FT_Error + af_glyph_hints_get_segment_offset( AF_GlyphHints hints, + FT_Int dimension, + FT_Int idx, + FT_Pos *offset, + FT_Bool *is_blue, + FT_Pos *blue_offset ) + { + AF_Dimension dim; + AF_AxisHints axis; + AF_Segment seg; + + + if ( !offset ) + return FT_THROW( Invalid_Argument ); + + dim = ( dimension == 0 ) ? AF_DIMENSION_HORZ : AF_DIMENSION_VERT; + + axis = &hints->axis[dim]; + + if ( idx < 0 || idx >= axis->num_segments ) + return FT_THROW( Invalid_Argument ); + + seg = &axis->segments[idx]; + *offset = ( dim == AF_DIMENSION_HORZ ) ? seg->first->fx + : seg->first->fy; + if ( seg->edge ) + *is_blue = (FT_Bool)( seg->edge->blue_edge != 0 ); + else + *is_blue = FALSE; + + if ( *is_blue ) + *blue_offset = seg->edge->blue_edge->org; + else + *blue_offset = 0; + + return FT_Err_Ok; + } +#ifdef __cplusplus + } +#endif + + + /* Dump the array of linked edges. */ + +#ifdef __cplusplus + extern "C" { +#endif + void + af_glyph_hints_dump_edges( AF_GlyphHints hints, + FT_Bool to_stdout ) + { + FT_Int dimension; + + + for ( dimension = 1; dimension >= 0; dimension-- ) + { + AF_AxisHints axis = &hints->axis[dimension]; + AF_Edge edges = axis->edges; + AF_Edge limit = edges + axis->num_edges; + AF_Edge edge; + + char buf1[16], buf2[16]; + + + /* + * note: AF_DIMENSION_HORZ corresponds to _vertical_ edges + * since they have a constant X coordinate. + */ + if ( dimension == AF_DIMENSION_HORZ ) + AF_DUMP(( "Table of %s edges (1px=%.2fu, 10u=%.2fpx):\n", + "vertical", + 65536.0 * 64.0 / hints->x_scale, + 10.0 * hints->x_scale / 65536.0 / 64.0 )); + else + AF_DUMP(( "Table of %s edges (1px=%.2fu, 10u=%.2fpx):\n", + "horizontal", + 65536.0 * 64.0 / hints->y_scale, + 10.0 * hints->y_scale / 65536.0 / 64.0 )); + + if ( axis->num_edges ) + { + AF_DUMP(( " index pos dir link serif" + /* " XXXXX XXXX.XX XXXXX XXXX XXXXX" */ + " blue opos pos flags\n" )); + /* " X XXXX.XX XXXX.XX XXXXXXXXXXX" */ + } + else + AF_DUMP(( " (none)\n" )); + + for ( edge = edges; edge < limit; edge++ ) + AF_DUMP(( " %5d %7.2f %5s %4s %5s" + " %c %7.2f %7.2f %11s\n", + AF_INDEX_NUM( edge, edges ), + (int)edge->opos / 64.0, + af_dir_str( (AF_Direction)edge->dir ), + af_print_idx( buf1, AF_INDEX_NUM( edge->link, edges ) ), + af_print_idx( buf2, AF_INDEX_NUM( edge->serif, edges ) ), + + edge->blue_edge ? 'y' : 'n', + edge->opos / 64.0, + edge->pos / 64.0, + af_edge_flags_to_string( edge->flags ) )); + AF_DUMP(( "\n" )); + } + } +#ifdef __cplusplus + } +#endif + +#undef AF_DUMP + +#endif /* !FT_DEBUG_AUTOFIT */ + + + /* Compute the direction value of a given vector. */ + + FT_LOCAL_DEF( AF_Direction ) + af_direction_compute( FT_Pos dx, + FT_Pos dy ) + { + FT_Pos ll, ss; /* long and short arm lengths */ + AF_Direction dir; /* candidate direction */ + + + if ( dy >= dx ) + { + if ( dy >= -dx ) + { + dir = AF_DIR_UP; + ll = dy; + ss = dx; + } + else + { + dir = AF_DIR_LEFT; + ll = -dx; + ss = dy; + } + } + else /* dy < dx */ + { + if ( dy >= -dx ) + { + dir = AF_DIR_RIGHT; + ll = dx; + ss = dy; + } + else + { + dir = AF_DIR_DOWN; + ll = -dy; + ss = dx; + } + } + + /* return no direction if arm lengths do not differ enough */ + /* (value 14 is heuristic, corresponding to approx. 4.1 degrees) */ + /* the long arm is never negative */ + if ( ll <= 14 * FT_ABS( ss ) ) + dir = AF_DIR_NONE; + + return dir; + } + + + FT_LOCAL_DEF( void ) + af_glyph_hints_init( AF_GlyphHints hints, + FT_Memory memory ) + { + /* no need to initialize the embedded items */ + FT_MEM_ZERO( hints, sizeof ( *hints ) - sizeof ( hints->embedded ) ); + hints->memory = memory; + } + + + FT_LOCAL_DEF( void ) + af_glyph_hints_done( AF_GlyphHints hints ) + { + FT_Memory memory; + int dim; + + + if ( !( hints && hints->memory ) ) + return; + + memory = hints->memory; + + /* + * note that we don't need to free the segment and edge + * buffers since they are really within the hints->points array + */ + for ( dim = 0; dim < AF_DIMENSION_MAX; dim++ ) + { + AF_AxisHints axis = &hints->axis[dim]; + + + axis->num_segments = 0; + axis->max_segments = 0; + if ( axis->segments != axis->embedded.segments ) + FT_FREE( axis->segments ); + + axis->num_edges = 0; + axis->max_edges = 0; + if ( axis->edges != axis->embedded.edges ) + FT_FREE( axis->edges ); + } + + if ( hints->contours != hints->embedded.contours ) + FT_FREE( hints->contours ); + hints->max_contours = 0; + hints->num_contours = 0; + + if ( hints->points != hints->embedded.points ) + FT_FREE( hints->points ); + hints->max_points = 0; + hints->num_points = 0; + + hints->memory = NULL; + } + + + /* Reset metrics. */ + + FT_LOCAL_DEF( void ) + af_glyph_hints_rescale( AF_GlyphHints hints, + AF_StyleMetrics metrics ) + { + hints->metrics = metrics; + hints->scaler_flags = metrics->scaler.flags; + } + + + /* Recompute all AF_Point in AF_GlyphHints from the definitions */ + /* in a source outline. */ + + FT_LOCAL_DEF( FT_Error ) + af_glyph_hints_reload( AF_GlyphHints hints, + FT_Outline* outline ) + { + FT_Error error = FT_Err_Ok; + AF_Point points; + FT_UInt old_max, new_max; + FT_Fixed x_scale = hints->x_scale; + FT_Fixed y_scale = hints->y_scale; + FT_Pos x_delta = hints->x_delta; + FT_Pos y_delta = hints->y_delta; + FT_Memory memory = hints->memory; + + + hints->num_points = 0; + hints->num_contours = 0; + + hints->axis[0].num_segments = 0; + hints->axis[0].num_edges = 0; + hints->axis[1].num_segments = 0; + hints->axis[1].num_edges = 0; + + /* first of all, reallocate the contours array if necessary */ + new_max = (FT_UInt)outline->n_contours; + old_max = (FT_UInt)hints->max_contours; + + if ( new_max <= AF_CONTOURS_EMBEDDED ) + { + if ( !hints->contours ) + { + hints->contours = hints->embedded.contours; + hints->max_contours = AF_CONTOURS_EMBEDDED; + } + } + else if ( new_max > old_max ) + { + if ( hints->contours == hints->embedded.contours ) + hints->contours = NULL; + + new_max = ( new_max + 3 ) & ~3U; /* round up to a multiple of 4 */ + + if ( FT_RENEW_ARRAY( hints->contours, old_max, new_max ) ) + goto Exit; + + hints->max_contours = (FT_Int)new_max; + } + + /* + * then reallocate the points arrays if necessary -- + * note that we reserve two additional point positions, used to + * hint metrics appropriately + */ + new_max = (FT_UInt)( outline->n_points + 2 ); + old_max = (FT_UInt)hints->max_points; + + if ( new_max <= AF_POINTS_EMBEDDED ) + { + if ( !hints->points ) + { + hints->points = hints->embedded.points; + hints->max_points = AF_POINTS_EMBEDDED; + } + } + else if ( new_max > old_max ) + { + if ( hints->points == hints->embedded.points ) + hints->points = NULL; + + new_max = ( new_max + 2 + 7 ) & ~7U; /* round up to a multiple of 8 */ + + if ( FT_RENEW_ARRAY( hints->points, old_max, new_max ) ) + goto Exit; + + hints->max_points = (FT_Int)new_max; + } + + hints->num_points = outline->n_points; + hints->num_contours = outline->n_contours; + + /* We can't rely on the value of `FT_Outline.flags' to know the fill */ + /* direction used for a glyph, given that some fonts are broken (e.g., */ + /* the Arphic ones). We thus recompute it each time we need to. */ + /* */ + hints->axis[AF_DIMENSION_HORZ].major_dir = AF_DIR_UP; + hints->axis[AF_DIMENSION_VERT].major_dir = AF_DIR_LEFT; + + if ( FT_Outline_Get_Orientation( outline ) == FT_ORIENTATION_POSTSCRIPT ) + { + hints->axis[AF_DIMENSION_HORZ].major_dir = AF_DIR_DOWN; + hints->axis[AF_DIMENSION_VERT].major_dir = AF_DIR_RIGHT; + } + + hints->x_scale = x_scale; + hints->y_scale = y_scale; + hints->x_delta = x_delta; + hints->y_delta = y_delta; + + hints->xmin_delta = 0; + hints->xmax_delta = 0; + + points = hints->points; + if ( hints->num_points == 0 ) + goto Exit; + + { + AF_Point point; + AF_Point point_limit = points + hints->num_points; + + /* value 20 in `near_limit' is heuristic */ + FT_UInt units_per_em = hints->metrics->scaler.face->units_per_EM; + FT_Int near_limit = 20 * units_per_em / 2048; + + + /* compute coordinates & Bezier flags, next and prev */ + { + FT_Vector* vec = outline->points; + char* tag = outline->tags; + FT_Short endpoint = outline->contours[0]; + AF_Point end = points + endpoint; + AF_Point prev = end; + FT_Int contour_index = 0; + + + for ( point = points; point < point_limit; point++, vec++, tag++ ) + { + FT_Pos out_x, out_y; + + + point->in_dir = (FT_Char)AF_DIR_NONE; + point->out_dir = (FT_Char)AF_DIR_NONE; + + point->fx = (FT_Short)vec->x; + point->fy = (FT_Short)vec->y; + point->ox = point->x = FT_MulFix( vec->x, x_scale ) + x_delta; + point->oy = point->y = FT_MulFix( vec->y, y_scale ) + y_delta; + + end->fx = (FT_Short)outline->points[endpoint].x; + end->fy = (FT_Short)outline->points[endpoint].y; + + switch ( FT_CURVE_TAG( *tag ) ) + { + case FT_CURVE_TAG_CONIC: + point->flags = AF_FLAG_CONIC; + break; + case FT_CURVE_TAG_CUBIC: + point->flags = AF_FLAG_CUBIC; + break; + default: + point->flags = AF_FLAG_NONE; + } + + out_x = point->fx - prev->fx; + out_y = point->fy - prev->fy; + + if ( FT_ABS( out_x ) + FT_ABS( out_y ) < near_limit ) + prev->flags |= AF_FLAG_NEAR; + + point->prev = prev; + prev->next = point; + prev = point; + + if ( point == end ) + { + if ( ++contour_index < outline->n_contours ) + { + endpoint = outline->contours[contour_index]; + end = points + endpoint; + prev = end; + } + } + } + } + + /* set up the contours array */ + { + AF_Point* contour = hints->contours; + AF_Point* contour_limit = contour + hints->num_contours; + short* end = outline->contours; + short idx = 0; + + + for ( ; contour < contour_limit; contour++, end++ ) + { + contour[0] = points + idx; + idx = (short)( end[0] + 1 ); + } + } + + { + /* + * Compute directions of `in' and `out' vectors. + * + * Note that distances between points that are very near to each + * other are accumulated. In other words, the auto-hinter either + * prepends the small vectors between near points to the first + * non-near vector, or the sum of small vector lengths exceeds a + * threshold, thus `grouping' the small vectors. All intermediate + * points are tagged as weak; the directions are adjusted also to + * be equal to the accumulated one. + */ + + FT_Int near_limit2 = 2 * near_limit - 1; + + AF_Point* contour; + AF_Point* contour_limit = hints->contours + hints->num_contours; + + + for ( contour = hints->contours; contour < contour_limit; contour++ ) + { + AF_Point first = *contour; + AF_Point next, prev, curr; + + FT_Pos out_x, out_y; + + + /* since the first point of a contour could be part of a */ + /* series of near points, go backwards to find the first */ + /* non-near point and adjust `first' */ + + point = first; + prev = first->prev; + + while ( prev != first ) + { + out_x = point->fx - prev->fx; + out_y = point->fy - prev->fy; + + /* + * We use Taxicab metrics to measure the vector length. + * + * Note that the accumulated distances so far could have the + * opposite direction of the distance measured here. For this + * reason we use `near_limit2' for the comparison to get a + * non-near point even in the worst case. + */ + if ( FT_ABS( out_x ) + FT_ABS( out_y ) >= near_limit2 ) + break; + + point = prev; + prev = prev->prev; + } + + /* adjust first point */ + first = point; + + /* now loop over all points of the contour to get */ + /* `in' and `out' vector directions */ + + curr = first; + + /* + * We abuse the `u' and `v' fields to store index deltas to the + * next and previous non-near point, respectively. + * + * To avoid problems with not having non-near points, we point to + * `first' by default as the next non-near point. + * + */ + curr->u = (FT_Pos)( first - curr ); + first->v = -curr->u; + + out_x = 0; + out_y = 0; + + next = first; + do + { + AF_Direction out_dir; + + + point = next; + next = point->next; + + out_x += next->fx - point->fx; + out_y += next->fy - point->fy; + + if ( FT_ABS( out_x ) + FT_ABS( out_y ) < near_limit ) + { + next->flags |= AF_FLAG_WEAK_INTERPOLATION; + continue; + } + + curr->u = (FT_Pos)( next - curr ); + next->v = -curr->u; + + out_dir = af_direction_compute( out_x, out_y ); + + /* adjust directions for all points inbetween; */ + /* the loop also updates position of `curr' */ + curr->out_dir = (FT_Char)out_dir; + for ( curr = curr->next; curr != next; curr = curr->next ) + { + curr->in_dir = (FT_Char)out_dir; + curr->out_dir = (FT_Char)out_dir; + } + next->in_dir = (FT_Char)out_dir; + + curr->u = (FT_Pos)( first - curr ); + first->v = -curr->u; + + out_x = 0; + out_y = 0; + + } while ( next != first ); + } + + /* + * The next step is to `simplify' an outline's topology so that we + * can identify local extrema more reliably: A series of + * non-horizontal or non-vertical vectors pointing into the same + * quadrant are handled as a single, long vector. From a + * topological point of the view, the intermediate points are of no + * interest and thus tagged as weak. + */ + + for ( point = points; point < point_limit; point++ ) + { + if ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) + continue; + + if ( point->in_dir == AF_DIR_NONE && + point->out_dir == AF_DIR_NONE ) + { + /* check whether both vectors point into the same quadrant */ + + FT_Pos in_x, in_y; + FT_Pos out_x, out_y; + + AF_Point next_u = point + point->u; + AF_Point prev_v = point + point->v; + + + in_x = point->fx - prev_v->fx; + in_y = point->fy - prev_v->fy; + + out_x = next_u->fx - point->fx; + out_y = next_u->fy - point->fy; + + if ( ( in_x ^ out_x ) >= 0 && ( in_y ^ out_y ) >= 0 ) + { + /* yes, so tag current point as weak */ + /* and update index deltas */ + + point->flags |= AF_FLAG_WEAK_INTERPOLATION; + + prev_v->u = (FT_Pos)( next_u - prev_v ); + next_u->v = -prev_v->u; + } + } + } + + /* + * Finally, check for remaining weak points. Everything else not + * collected in edges so far is then implicitly classified as strong + * points. + */ + + for ( point = points; point < point_limit; point++ ) + { + if ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) + continue; + + if ( point->flags & AF_FLAG_CONTROL ) + { + /* control points are always weak */ + Is_Weak_Point: + point->flags |= AF_FLAG_WEAK_INTERPOLATION; + } + else if ( point->out_dir == point->in_dir ) + { + if ( point->out_dir != AF_DIR_NONE ) + { + /* current point lies on a horizontal or */ + /* vertical segment (but doesn't start or end it) */ + goto Is_Weak_Point; + } + + { + AF_Point next_u = point + point->u; + AF_Point prev_v = point + point->v; + + + if ( ft_corner_is_flat( point->fx - prev_v->fx, + point->fy - prev_v->fy, + next_u->fx - point->fx, + next_u->fy - point->fy ) ) + { + /* either the `in' or the `out' vector is much more */ + /* dominant than the other one, so tag current point */ + /* as weak and update index deltas */ + + prev_v->u = (FT_Pos)( next_u - prev_v ); + next_u->v = -prev_v->u; + + goto Is_Weak_Point; + } + } + } + else if ( point->in_dir == -point->out_dir ) + { + /* current point forms a spike */ + goto Is_Weak_Point; + } + } + } + } + + Exit: + return error; + } + + + /* Store the hinted outline in an FT_Outline structure. */ + + FT_LOCAL_DEF( void ) + af_glyph_hints_save( AF_GlyphHints hints, + FT_Outline* outline ) + { + AF_Point point = hints->points; + AF_Point limit = point + hints->num_points; + FT_Vector* vec = outline->points; + char* tag = outline->tags; + + + for ( ; point < limit; point++, vec++, tag++ ) + { + vec->x = point->x; + vec->y = point->y; + + if ( point->flags & AF_FLAG_CONIC ) + tag[0] = FT_CURVE_TAG_CONIC; + else if ( point->flags & AF_FLAG_CUBIC ) + tag[0] = FT_CURVE_TAG_CUBIC; + else + tag[0] = FT_CURVE_TAG_ON; + } + } + + + /**************************************************************** + * + * EDGE POINT GRID-FITTING + * + ****************************************************************/ + + + /* Align all points of an edge to the same coordinate value, */ + /* either horizontally or vertically. */ + + FT_LOCAL_DEF( void ) + af_glyph_hints_align_edge_points( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_AxisHints axis = & hints->axis[dim]; + AF_Segment segments = axis->segments; + AF_Segment segment_limit = segments + axis->num_segments; + AF_Segment seg; + + + if ( dim == AF_DIMENSION_HORZ ) + { + for ( seg = segments; seg < segment_limit; seg++ ) + { + AF_Edge edge = seg->edge; + AF_Point point, first, last; + + + if ( !edge ) + continue; + + first = seg->first; + last = seg->last; + point = first; + for (;;) + { + point->x = edge->pos; + point->flags |= AF_FLAG_TOUCH_X; + + if ( point == last ) + break; + + point = point->next; + } + } + } + else + { + for ( seg = segments; seg < segment_limit; seg++ ) + { + AF_Edge edge = seg->edge; + AF_Point point, first, last; + + + if ( !edge ) + continue; + + first = seg->first; + last = seg->last; + point = first; + for (;;) + { + point->y = edge->pos; + point->flags |= AF_FLAG_TOUCH_Y; + + if ( point == last ) + break; + + point = point->next; + } + } + } + } + + + /**************************************************************** + * + * STRONG POINT INTERPOLATION + * + ****************************************************************/ + + + /* Hint the strong points -- this is equivalent to the TrueType `IP' */ + /* hinting instruction. */ + + FT_LOCAL_DEF( void ) + af_glyph_hints_align_strong_points( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_Point points = hints->points; + AF_Point point_limit = points + hints->num_points; + AF_AxisHints axis = &hints->axis[dim]; + AF_Edge edges = axis->edges; + AF_Edge edge_limit = edges + axis->num_edges; + FT_UInt touch_flag; + + + if ( dim == AF_DIMENSION_HORZ ) + touch_flag = AF_FLAG_TOUCH_X; + else + touch_flag = AF_FLAG_TOUCH_Y; + + if ( edges < edge_limit ) + { + AF_Point point; + AF_Edge edge; + + + for ( point = points; point < point_limit; point++ ) + { + FT_Pos u, ou, fu; /* point position */ + FT_Pos delta; + + + if ( point->flags & touch_flag ) + continue; + + /* if this point is candidate to weak interpolation, we */ + /* interpolate it after all strong points have been processed */ + + if ( ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) ) + continue; + + if ( dim == AF_DIMENSION_VERT ) + { + u = point->fy; + ou = point->oy; + } + else + { + u = point->fx; + ou = point->ox; + } + + fu = u; + + /* is the point before the first edge? */ + edge = edges; + delta = edge->fpos - u; + if ( delta >= 0 ) + { + u = edge->pos - ( edge->opos - ou ); + goto Store_Point; + } + + /* is the point after the last edge? */ + edge = edge_limit - 1; + delta = u - edge->fpos; + if ( delta >= 0 ) + { + u = edge->pos + ( ou - edge->opos ); + goto Store_Point; + } + + { + FT_PtrDist min, max, mid; + FT_Pos fpos; + + + /* find enclosing edges */ + min = 0; + max = edge_limit - edges; + +#if 1 + /* for a small number of edges, a linear search is better */ + if ( max <= 8 ) + { + FT_PtrDist nn; + + + for ( nn = 0; nn < max; nn++ ) + if ( edges[nn].fpos >= u ) + break; + + if ( edges[nn].fpos == u ) + { + u = edges[nn].pos; + goto Store_Point; + } + min = nn; + } + else +#endif + while ( min < max ) + { + mid = ( max + min ) >> 1; + edge = edges + mid; + fpos = edge->fpos; + + if ( u < fpos ) + max = mid; + else if ( u > fpos ) + min = mid + 1; + else + { + /* we are on the edge */ + u = edge->pos; + goto Store_Point; + } + } + + /* point is not on an edge */ + { + AF_Edge before = edges + min - 1; + AF_Edge after = edges + min + 0; + + + /* assert( before && after && before != after ) */ + if ( before->scale == 0 ) + before->scale = FT_DivFix( after->pos - before->pos, + after->fpos - before->fpos ); + + u = before->pos + FT_MulFix( fu - before->fpos, + before->scale ); + } + } + + Store_Point: + /* save the point position */ + if ( dim == AF_DIMENSION_HORZ ) + point->x = u; + else + point->y = u; + + point->flags |= touch_flag; + } + } + } + + + /**************************************************************** + * + * WEAK POINT INTERPOLATION + * + ****************************************************************/ + + + /* Shift the original coordinates of all points between `p1' and */ + /* `p2' to get hinted coordinates, using the same difference as */ + /* given by `ref'. */ + + static void + af_iup_shift( AF_Point p1, + AF_Point p2, + AF_Point ref ) + { + AF_Point p; + FT_Pos delta = ref->u - ref->v; + + + if ( delta == 0 ) + return; + + for ( p = p1; p < ref; p++ ) + p->u = p->v + delta; + + for ( p = ref + 1; p <= p2; p++ ) + p->u = p->v + delta; + } + + + /* Interpolate the original coordinates of all points between `p1' and */ + /* `p2' to get hinted coordinates, using `ref1' and `ref2' as the */ + /* reference points. The `u' and `v' members are the current and */ + /* original coordinate values, respectively. */ + /* */ + /* Details can be found in the TrueType bytecode specification. */ + + static void + af_iup_interp( AF_Point p1, + AF_Point p2, + AF_Point ref1, + AF_Point ref2 ) + { + AF_Point p; + FT_Pos u, v1, v2, u1, u2, d1, d2; + + + if ( p1 > p2 ) + return; + + if ( ref1->v > ref2->v ) + { + p = ref1; + ref1 = ref2; + ref2 = p; + } + + v1 = ref1->v; + v2 = ref2->v; + u1 = ref1->u; + u2 = ref2->u; + d1 = u1 - v1; + d2 = u2 - v2; + + if ( u1 == u2 || v1 == v2 ) + { + for ( p = p1; p <= p2; p++ ) + { + u = p->v; + + if ( u <= v1 ) + u += d1; + else if ( u >= v2 ) + u += d2; + else + u = u1; + + p->u = u; + } + } + else + { + FT_Fixed scale = FT_DivFix( u2 - u1, v2 - v1 ); + + + for ( p = p1; p <= p2; p++ ) + { + u = p->v; + + if ( u <= v1 ) + u += d1; + else if ( u >= v2 ) + u += d2; + else + u = u1 + FT_MulFix( u - v1, scale ); + + p->u = u; + } + } + } + + + /* Hint the weak points -- this is equivalent to the TrueType `IUP' */ + /* hinting instruction. */ + + FT_LOCAL_DEF( void ) + af_glyph_hints_align_weak_points( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_Point points = hints->points; + AF_Point point_limit = points + hints->num_points; + AF_Point* contour = hints->contours; + AF_Point* contour_limit = contour + hints->num_contours; + FT_UInt touch_flag; + AF_Point point; + AF_Point end_point; + AF_Point first_point; + + + /* PASS 1: Move segment points to edge positions */ + + if ( dim == AF_DIMENSION_HORZ ) + { + touch_flag = AF_FLAG_TOUCH_X; + + for ( point = points; point < point_limit; point++ ) + { + point->u = point->x; + point->v = point->ox; + } + } + else + { + touch_flag = AF_FLAG_TOUCH_Y; + + for ( point = points; point < point_limit; point++ ) + { + point->u = point->y; + point->v = point->oy; + } + } + + for ( ; contour < contour_limit; contour++ ) + { + AF_Point first_touched, last_touched; + + + point = *contour; + end_point = point->prev; + first_point = point; + + /* find first touched point */ + for (;;) + { + if ( point > end_point ) /* no touched point in contour */ + goto NextContour; + + if ( point->flags & touch_flag ) + break; + + point++; + } + + first_touched = point; + + for (;;) + { + FT_ASSERT( point <= end_point && + ( point->flags & touch_flag ) != 0 ); + + /* skip any touched neighbours */ + while ( point < end_point && + ( point[1].flags & touch_flag ) != 0 ) + point++; + + last_touched = point; + + /* find the next touched point, if any */ + point++; + for (;;) + { + if ( point > end_point ) + goto EndContour; + + if ( ( point->flags & touch_flag ) != 0 ) + break; + + point++; + } + + /* interpolate between last_touched and point */ + af_iup_interp( last_touched + 1, point - 1, + last_touched, point ); + } + + EndContour: + /* special case: only one point was touched */ + if ( last_touched == first_touched ) + af_iup_shift( first_point, end_point, first_touched ); + + else /* interpolate the last part */ + { + if ( last_touched < end_point ) + af_iup_interp( last_touched + 1, end_point, + last_touched, first_touched ); + + if ( first_touched > points ) + af_iup_interp( first_point, first_touched - 1, + last_touched, first_touched ); + } + + NextContour: + ; + } + + /* now save the interpolated values back to x/y */ + if ( dim == AF_DIMENSION_HORZ ) + { + for ( point = points; point < point_limit; point++ ) + point->x = point->u; + } + else + { + for ( point = points; point < point_limit; point++ ) + point->y = point->u; + } + } + + +#ifdef AF_CONFIG_OPTION_USE_WARPER + + /* Apply (small) warp scale and warp delta for given dimension. */ + + FT_LOCAL_DEF( void ) + af_glyph_hints_scale_dim( AF_GlyphHints hints, + AF_Dimension dim, + FT_Fixed scale, + FT_Pos delta ) + { + AF_Point points = hints->points; + AF_Point points_limit = points + hints->num_points; + AF_Point point; + + + if ( dim == AF_DIMENSION_HORZ ) + { + for ( point = points; point < points_limit; point++ ) + point->x = FT_MulFix( point->fx, scale ) + delta; + } + else + { + for ( point = points; point < points_limit; point++ ) + point->y = FT_MulFix( point->fy, scale ) + delta; + } + } + +#endif /* AF_CONFIG_OPTION_USE_WARPER */ + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afhints.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afhints.h new file mode 100644 index 00000000000..3326ebc44e7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afhints.h @@ -0,0 +1,481 @@ +/***************************************************************************/ +/* */ +/* afhints.h */ +/* */ +/* Auto-fitter hinting routines (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFHINTS_H_ +#define AFHINTS_H_ + +#include "aftypes.h" + +#define xxAF_SORT_SEGMENTS + +FT_BEGIN_HEADER + + /* + * The definition of outline glyph hints. These are shared by all + * writing system analysis routines (until now). + */ + + typedef enum AF_Dimension_ + { + AF_DIMENSION_HORZ = 0, /* x coordinates, */ + /* i.e., vertical segments & edges */ + AF_DIMENSION_VERT = 1, /* y coordinates, */ + /* i.e., horizontal segments & edges */ + + AF_DIMENSION_MAX /* do not remove */ + + } AF_Dimension; + + + /* hint directions -- the values are computed so that two vectors are */ + /* in opposite directions iff `dir1 + dir2 == 0' */ + typedef enum AF_Direction_ + { + AF_DIR_NONE = 4, + AF_DIR_RIGHT = 1, + AF_DIR_LEFT = -1, + AF_DIR_UP = 2, + AF_DIR_DOWN = -2 + + } AF_Direction; + + + /* + * The following explanations are mostly taken from the article + * + * Real-Time Grid Fitting of Typographic Outlines + * + * by David Turner and Werner Lemberg + * + * https://www.tug.org/TUGboat/Articles/tb24-3/lemberg.pdf + * + * with appropriate updates. + * + * + * Segments + * + * `af_{cjk,latin,...}_hints_compute_segments' are the functions to + * find segments in an outline. + * + * A segment is a series of at least two consecutive points that are + * approximately aligned along a coordinate axis. The analysis to do + * so is specific to a writing system. + * + * + * Edges + * + * `af_{cjk,latin,...}_hints_compute_edges' are the functions to find + * edges. + * + * As soon as segments are defined, the auto-hinter groups them into + * edges. An edge corresponds to a single position on the main + * dimension that collects one or more segments (allowing for a small + * threshold). + * + * As an example, the `latin' writing system first tries to grid-fit + * edges, then to align segments on the edges unless it detects that + * they form a serif. + * + * + * A H + * | | + * | | + * | | + * | | + * C | | F + * +------<-----+ +-----<------+ + * | B G | + * | | + * | | + * +--------------->------------------+ + * D E + * + * + * Stems + * + * Stems are detected by `af_{cjk,latin,...}_hint_edges'. + * + * Segments need to be `linked' to other ones in order to detect stems. + * A stem is made of two segments that face each other in opposite + * directions and that are sufficiently close to each other. Using + * vocabulary from the TrueType specification, stem segments form a + * `black distance'. + * + * In the above ASCII drawing, the horizontal segments are BC, DE, and + * FG; the vertical segments are AB, CD, EF, and GH. + * + * Each segment has at most one `best' candidate to form a black + * distance, or no candidate at all. Notice that two distinct segments + * can have the same candidate, which frequently means a serif. + * + * A stem is recognized by the following condition: + * + * best segment_1 = segment_2 && best segment_2 = segment_1 + * + * The best candidate is stored in field `link' in structure + * `AF_Segment'. + * + * In the above ASCII drawing, the best candidate for both AB and CD is + * GH, while the best candidate for GH is AB. Similarly, the best + * candidate for EF and GH is AB, while the best candidate for AB is + * GH. + * + * The detection and handling of stems is dependent on the writing + * system. + * + * + * Serifs + * + * Serifs are detected by `af_{cjk,latin,...}_hint_edges'. + * + * In comparison to a stem, a serif (as handled by the auto-hinter + * module that takes care of the `latin' writing system) has + * + * best segment_1 = segment_2 && best segment_2 != segment_1 + * + * where segment_1 corresponds to the serif segment (CD and EF in the + * above ASCII drawing). + * + * The best candidate is stored in field `serif' in structure + * `AF_Segment' (and `link' is set to NULL). + * + * + * Touched points + * + * A point is called `touched' if it has been processed somehow by the + * auto-hinter. It basically means that it shouldn't be moved again + * (or moved only under certain constraints to preserve the already + * applied processing). + * + * + * Flat and round segments + * + * Segments are `round' or `flat', depending on the series of points + * that define them. A segment is round if the next and previous point + * of an extremum (which can be either a single point or sequence of + * points) are both conic or cubic control points. Otherwise, a + * segment with an extremum is flat. + * + * + * Strong Points + * + * Experience has shown that points not part of an edge need to be + * interpolated linearly between their two closest edges, even if these + * are not part of the contour of those particular points. Typical + * candidates for this are + * + * - angle points (i.e., points where the `in' and `out' direction + * differ greatly) + * + * - inflection points (i.e., where the `in' and `out' angles are the + * same, but the curvature changes sign) [currently, such points + * aren't handled specially in the auto-hinter] + * + * `af_glyph_hints_align_strong_points' is the function that takes + * care of such situations; it is equivalent to the TrueType `IP' + * hinting instruction. + * + * + * Weak Points + * + * Other points in the outline must be interpolated using the + * coordinates of their previous and next unfitted contour neighbours. + * These are called `weak points' and are touched by the function + * `af_glyph_hints_align_weak_points', equivalent to the TrueType `IUP' + * hinting instruction. Typical candidates are control points and + * points on the contour without a major direction. + * + * The major effect is to reduce possible distortion caused by + * alignment of edges and strong points, thus weak points are processed + * after strong points. + */ + + + /* point hint flags */ +#define AF_FLAG_NONE 0 + + /* point type flags */ +#define AF_FLAG_CONIC ( 1U << 0 ) +#define AF_FLAG_CUBIC ( 1U << 1 ) +#define AF_FLAG_CONTROL ( AF_FLAG_CONIC | AF_FLAG_CUBIC ) + + /* point touch flags */ +#define AF_FLAG_TOUCH_X ( 1U << 2 ) +#define AF_FLAG_TOUCH_Y ( 1U << 3 ) + + /* candidates for weak interpolation have this flag set */ +#define AF_FLAG_WEAK_INTERPOLATION ( 1U << 4 ) + + /* the distance to the next point is very small */ +#define AF_FLAG_NEAR ( 1U << 5 ) + + + /* edge hint flags */ +#define AF_EDGE_NORMAL 0 +#define AF_EDGE_ROUND ( 1U << 0 ) +#define AF_EDGE_SERIF ( 1U << 1 ) +#define AF_EDGE_DONE ( 1U << 2 ) +#define AF_EDGE_NEUTRAL ( 1U << 3 ) /* edge aligns to a neutral blue zone */ + + + typedef struct AF_PointRec_* AF_Point; + typedef struct AF_SegmentRec_* AF_Segment; + typedef struct AF_EdgeRec_* AF_Edge; + + + typedef struct AF_PointRec_ + { + FT_UShort flags; /* point flags used by hinter */ + FT_Char in_dir; /* direction of inwards vector */ + FT_Char out_dir; /* direction of outwards vector */ + + FT_Pos ox, oy; /* original, scaled position */ + FT_Short fx, fy; /* original, unscaled position (in font units) */ + FT_Pos x, y; /* current position */ + FT_Pos u, v; /* current (x,y) or (y,x) depending on context */ + + AF_Point next; /* next point in contour */ + AF_Point prev; /* previous point in contour */ + + } AF_PointRec; + + + typedef struct AF_SegmentRec_ + { + FT_Byte flags; /* edge/segment flags for this segment */ + FT_Char dir; /* segment direction */ + FT_Short pos; /* position of segment */ + FT_Short delta; /* deviation from segment position */ + FT_Short min_coord; /* minimum coordinate of segment */ + FT_Short max_coord; /* maximum coordinate of segment */ + FT_Short height; /* the hinted segment height */ + + AF_Edge edge; /* the segment's parent edge */ + AF_Segment edge_next; /* link to next segment in parent edge */ + + AF_Segment link; /* (stem) link segment */ + AF_Segment serif; /* primary segment for serifs */ + FT_Pos score; /* used during stem matching */ + FT_Pos len; /* used during stem matching */ + + AF_Point first; /* first point in edge segment */ + AF_Point last; /* last point in edge segment */ + + } AF_SegmentRec; + + + typedef struct AF_EdgeRec_ + { + FT_Short fpos; /* original, unscaled position (in font units) */ + FT_Pos opos; /* original, scaled position */ + FT_Pos pos; /* current position */ + + FT_Byte flags; /* edge flags */ + FT_Char dir; /* edge direction */ + FT_Fixed scale; /* used to speed up interpolation between edges */ + + AF_Width blue_edge; /* non-NULL if this is a blue edge */ + AF_Edge link; /* link edge */ + AF_Edge serif; /* primary edge for serifs */ + FT_Int score; /* used during stem matching */ + + AF_Segment first; /* first segment in edge */ + AF_Segment last; /* last segment in edge */ + + } AF_EdgeRec; + +#define AF_SEGMENTS_EMBEDDED 18 /* number of embedded segments */ +#define AF_EDGES_EMBEDDED 12 /* number of embedded edges */ + + typedef struct AF_AxisHintsRec_ + { + FT_Int num_segments; /* number of used segments */ + FT_Int max_segments; /* number of allocated segments */ + AF_Segment segments; /* segments array */ +#ifdef AF_SORT_SEGMENTS + FT_Int mid_segments; +#endif + + FT_Int num_edges; /* number of used edges */ + FT_Int max_edges; /* number of allocated edges */ + AF_Edge edges; /* edges array */ + + AF_Direction major_dir; /* either vertical or horizontal */ + + /* two arrays to avoid allocation penalty */ + struct + { + AF_SegmentRec segments[AF_SEGMENTS_EMBEDDED]; + AF_EdgeRec edges[AF_EDGES_EMBEDDED]; + } embedded; + + + } AF_AxisHintsRec, *AF_AxisHints; + + +#define AF_POINTS_EMBEDDED 96 /* number of embedded points */ +#define AF_CONTOURS_EMBEDDED 8 /* number of embedded contours */ + + typedef struct AF_GlyphHintsRec_ + { + FT_Memory memory; + + FT_Fixed x_scale; + FT_Pos x_delta; + + FT_Fixed y_scale; + FT_Pos y_delta; + + FT_Int max_points; /* number of allocated points */ + FT_Int num_points; /* number of used points */ + AF_Point points; /* points array */ + + FT_Int max_contours; /* number of allocated contours */ + FT_Int num_contours; /* number of used contours */ + AF_Point* contours; /* contours array */ + + AF_AxisHintsRec axis[AF_DIMENSION_MAX]; + + FT_UInt32 scaler_flags; /* copy of scaler flags */ + FT_UInt32 other_flags; /* free for style-specific */ + /* implementations */ + AF_StyleMetrics metrics; + + FT_Pos xmin_delta; /* used for warping */ + FT_Pos xmax_delta; + + /* Two arrays to avoid allocation penalty. */ + /* The `embedded' structure must be the last element! */ + struct + { + AF_Point contours[AF_CONTOURS_EMBEDDED]; + AF_PointRec points[AF_POINTS_EMBEDDED]; + } embedded; + + } AF_GlyphHintsRec; + + +#define AF_HINTS_TEST_SCALER( h, f ) ( (h)->scaler_flags & (f) ) +#define AF_HINTS_TEST_OTHER( h, f ) ( (h)->other_flags & (f) ) + + +#ifdef FT_DEBUG_AUTOFIT + +#define AF_HINTS_DO_HORIZONTAL( h ) \ + ( !_af_debug_disable_horz_hints && \ + !AF_HINTS_TEST_SCALER( h, AF_SCALER_FLAG_NO_HORIZONTAL ) ) + +#define AF_HINTS_DO_VERTICAL( h ) \ + ( !_af_debug_disable_vert_hints && \ + !AF_HINTS_TEST_SCALER( h, AF_SCALER_FLAG_NO_VERTICAL ) ) + +#define AF_HINTS_DO_BLUES( h ) ( !_af_debug_disable_blue_hints ) + +#else /* !FT_DEBUG_AUTOFIT */ + +#define AF_HINTS_DO_HORIZONTAL( h ) \ + !AF_HINTS_TEST_SCALER( h, AF_SCALER_FLAG_NO_HORIZONTAL ) + +#define AF_HINTS_DO_VERTICAL( h ) \ + !AF_HINTS_TEST_SCALER( h, AF_SCALER_FLAG_NO_VERTICAL ) + +#define AF_HINTS_DO_BLUES( h ) 1 + +#endif /* !FT_DEBUG_AUTOFIT */ + + +#define AF_HINTS_DO_ADVANCE( h ) \ + !AF_HINTS_TEST_SCALER( h, AF_SCALER_FLAG_NO_ADVANCE ) + +#define AF_HINTS_DO_WARP( h ) \ + !AF_HINTS_TEST_SCALER( h, AF_SCALER_FLAG_NO_WARPER ) + + + + FT_LOCAL( AF_Direction ) + af_direction_compute( FT_Pos dx, + FT_Pos dy ); + + + FT_LOCAL( FT_Error ) + af_axis_hints_new_segment( AF_AxisHints axis, + FT_Memory memory, + AF_Segment *asegment ); + + FT_LOCAL( FT_Error) + af_axis_hints_new_edge( AF_AxisHints axis, + FT_Int fpos, + AF_Direction dir, + FT_Bool top_to_bottom_hinting, + FT_Memory memory, + AF_Edge *edge ); + + FT_LOCAL( void ) + af_glyph_hints_init( AF_GlyphHints hints, + FT_Memory memory ); + + FT_LOCAL( void ) + af_glyph_hints_rescale( AF_GlyphHints hints, + AF_StyleMetrics metrics ); + + FT_LOCAL( FT_Error ) + af_glyph_hints_reload( AF_GlyphHints hints, + FT_Outline* outline ); + + FT_LOCAL( void ) + af_glyph_hints_save( AF_GlyphHints hints, + FT_Outline* outline ); + + FT_LOCAL( void ) + af_glyph_hints_align_edge_points( AF_GlyphHints hints, + AF_Dimension dim ); + + FT_LOCAL( void ) + af_glyph_hints_align_strong_points( AF_GlyphHints hints, + AF_Dimension dim ); + + FT_LOCAL( void ) + af_glyph_hints_align_weak_points( AF_GlyphHints hints, + AF_Dimension dim ); + +#ifdef AF_CONFIG_OPTION_USE_WARPER + FT_LOCAL( void ) + af_glyph_hints_scale_dim( AF_GlyphHints hints, + AF_Dimension dim, + FT_Fixed scale, + FT_Pos delta ); +#endif + + FT_LOCAL( void ) + af_glyph_hints_done( AF_GlyphHints hints ); + +/* */ + +#define AF_SEGMENT_LEN( seg ) ( (seg)->max_coord - (seg)->min_coord ) + +#define AF_SEGMENT_DIST( seg1, seg2 ) ( ( (seg1)->pos > (seg2)->pos ) \ + ? (seg1)->pos - (seg2)->pos \ + : (seg2)->pos - (seg1)->pos ) + + +FT_END_HEADER + +#endif /* AFHINTS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afindic.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afindic.c new file mode 100644 index 00000000000..dfbea5f34c1 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afindic.c @@ -0,0 +1,157 @@ +/***************************************************************************/ +/* */ +/* afindic.c */ +/* */ +/* Auto-fitter hinting routines for Indic writing system (body). */ +/* */ +/* Copyright 2007-2018 by */ +/* Rahul Bhalerao <rahul.bhalerao@redhat.com>, <b.rahul.pm@gmail.com>. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "aftypes.h" +#include "aflatin.h" +#include "afcjk.h" + + +#ifdef AF_CONFIG_OPTION_INDIC + +#include "afindic.h" +#include "aferrors.h" + + +#ifdef AF_CONFIG_OPTION_USE_WARPER +#include "afwarp.h" +#endif + + + static FT_Error + af_indic_metrics_init( AF_CJKMetrics metrics, + FT_Face face ) + { + /* skip blue zone init in CJK routines */ + FT_CharMap oldmap = face->charmap; + + + metrics->units_per_em = face->units_per_EM; + + if ( FT_Select_Charmap( face, FT_ENCODING_UNICODE ) ) + face->charmap = NULL; + else + { + af_cjk_metrics_init_widths( metrics, face ); +#if 0 + /* either need indic specific blue_chars[] or just skip blue zones */ + af_cjk_metrics_init_blues( metrics, face, af_cjk_blue_chars ); +#endif + af_cjk_metrics_check_digits( metrics, face ); + } + + FT_Set_Charmap( face, oldmap ); + + return FT_Err_Ok; + } + + + static void + af_indic_metrics_scale( AF_CJKMetrics metrics, + AF_Scaler scaler ) + { + /* use CJK routines */ + af_cjk_metrics_scale( metrics, scaler ); + } + + + static FT_Error + af_indic_hints_init( AF_GlyphHints hints, + AF_CJKMetrics metrics ) + { + /* use CJK routines */ + return af_cjk_hints_init( hints, metrics ); + } + + + static FT_Error + af_indic_hints_apply( FT_UInt glyph_index, + AF_GlyphHints hints, + FT_Outline* outline, + AF_CJKMetrics metrics ) + { + /* use CJK routines */ + return af_cjk_hints_apply( glyph_index, hints, outline, metrics ); + } + + + /* Extract standard_width from writing system/script specific */ + /* metrics class. */ + + static void + af_indic_get_standard_widths( AF_CJKMetrics metrics, + FT_Pos* stdHW, + FT_Pos* stdVW ) + { + if ( stdHW ) + *stdHW = metrics->axis[AF_DIMENSION_VERT].standard_width; + + if ( stdVW ) + *stdVW = metrics->axis[AF_DIMENSION_HORZ].standard_width; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** I N D I C S C R I P T C L A S S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + AF_DEFINE_WRITING_SYSTEM_CLASS( + af_indic_writing_system_class, + + AF_WRITING_SYSTEM_INDIC, + + sizeof ( AF_CJKMetricsRec ), + + (AF_WritingSystem_InitMetricsFunc) af_indic_metrics_init, /* style_metrics_init */ + (AF_WritingSystem_ScaleMetricsFunc)af_indic_metrics_scale, /* style_metrics_scale */ + (AF_WritingSystem_DoneMetricsFunc) NULL, /* style_metrics_done */ + (AF_WritingSystem_GetStdWidthsFunc)af_indic_get_standard_widths, /* style_metrics_getstdw */ + + (AF_WritingSystem_InitHintsFunc) af_indic_hints_init, /* style_hints_init */ + (AF_WritingSystem_ApplyHintsFunc) af_indic_hints_apply /* style_hints_apply */ + ) + + +#else /* !AF_CONFIG_OPTION_INDIC */ + + + AF_DEFINE_WRITING_SYSTEM_CLASS( + af_indic_writing_system_class, + + AF_WRITING_SYSTEM_INDIC, + + sizeof ( AF_CJKMetricsRec ), + + (AF_WritingSystem_InitMetricsFunc) NULL, /* style_metrics_init */ + (AF_WritingSystem_ScaleMetricsFunc)NULL, /* style_metrics_scale */ + (AF_WritingSystem_DoneMetricsFunc) NULL, /* style_metrics_done */ + (AF_WritingSystem_GetStdWidthsFunc)NULL, /* style_metrics_getstdw */ + + (AF_WritingSystem_InitHintsFunc) NULL, /* style_hints_init */ + (AF_WritingSystem_ApplyHintsFunc) NULL /* style_hints_apply */ + ) + + +#endif /* !AF_CONFIG_OPTION_INDIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afindic.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afindic.h new file mode 100644 index 00000000000..5688738e6e0 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afindic.h @@ -0,0 +1,41 @@ +/***************************************************************************/ +/* */ +/* afindic.h */ +/* */ +/* Auto-fitter hinting routines for Indic writing system */ +/* (specification). */ +/* */ +/* Copyright 2007-2018 by */ +/* Rahul Bhalerao <rahul.bhalerao@redhat.com>, <b.rahul.pm@gmail.com>. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFINDIC_H_ +#define AFINDIC_H_ + +#include "afhints.h" + + +FT_BEGIN_HEADER + + + /* the `indic' writing system */ + + AF_DECLARE_WRITING_SYSTEM_CLASS( af_indic_writing_system_class ) + + +/* */ + +FT_END_HEADER + +#endif /* AFINDIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aflatin.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aflatin.c new file mode 100644 index 00000000000..9f1b54056f1 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aflatin.c @@ -0,0 +1,3590 @@ +/***************************************************************************/ +/* */ +/* aflatin.c */ +/* */ +/* Auto-fitter hinting routines for latin writing system (body). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_ADVANCES_H +#include FT_INTERNAL_DEBUG_H + +#include "afglobal.h" +#include "afpic.h" +#include "aflatin.h" +#include "aferrors.h" + + +#ifdef AF_CONFIG_OPTION_USE_WARPER +#include "afwarp.h" +#endif + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_aflatin + + + /* needed for computation of round vs. flat segments */ +#define FLAT_THRESHOLD( x ) ( x / 14 ) + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** L A T I N G L O B A L M E T R I C S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* Find segments and links, compute all stem widths, and initialize */ + /* standard width and height for the glyph with given charcode. */ + + FT_LOCAL_DEF( void ) + af_latin_metrics_init_widths( AF_LatinMetrics metrics, + FT_Face face ) + { + /* scan the array of segments in each direction */ + AF_GlyphHintsRec hints[1]; + + + FT_TRACE5(( "\n" + "latin standard widths computation (style `%s')\n" + "=====================================================\n" + "\n", + af_style_names[metrics->root.style_class->style] )); + + af_glyph_hints_init( hints, face->memory ); + + metrics->axis[AF_DIMENSION_HORZ].width_count = 0; + metrics->axis[AF_DIMENSION_VERT].width_count = 0; + + { + FT_Error error; + FT_ULong glyph_index; + int dim; + AF_LatinMetricsRec dummy[1]; + AF_Scaler scaler = &dummy->root.scaler; + +#ifdef FT_CONFIG_OPTION_PIC + AF_FaceGlobals globals = metrics->root.globals; +#endif + + AF_StyleClass style_class = metrics->root.style_class; + AF_ScriptClass script_class = AF_SCRIPT_CLASSES_GET + [style_class->script]; + + void* shaper_buf; + const char* p; + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_ULong ch = 0; +#endif + + p = script_class->standard_charstring; + shaper_buf = af_shaper_buf_create( face ); + + /* + * We check a list of standard characters to catch features like + * `c2sc' (small caps from caps) that don't contain lowercase letters + * by definition, or other features that mainly operate on numerals. + * The first match wins. + */ + + glyph_index = 0; + while ( *p ) + { + unsigned int num_idx; + +#ifdef FT_DEBUG_LEVEL_TRACE + const char* p_old; +#endif + + + while ( *p == ' ' ) + p++; + +#ifdef FT_DEBUG_LEVEL_TRACE + p_old = p; + GET_UTF8_CHAR( ch, p_old ); +#endif + + /* reject input that maps to more than a single glyph */ + p = af_shaper_get_cluster( p, &metrics->root, shaper_buf, &num_idx ); + if ( num_idx > 1 ) + continue; + + /* otherwise exit loop if we have a result */ + glyph_index = af_shaper_get_elem( &metrics->root, + shaper_buf, + 0, + NULL, + NULL ); + if ( glyph_index ) + break; + } + + af_shaper_buf_destroy( face, shaper_buf ); + + if ( !glyph_index ) + goto Exit; + + FT_TRACE5(( "standard character: U+%04lX (glyph index %d)\n", + ch, glyph_index )); + + error = FT_Load_Glyph( face, glyph_index, FT_LOAD_NO_SCALE ); + if ( error || face->glyph->outline.n_points <= 0 ) + goto Exit; + + FT_ZERO( dummy ); + + dummy->units_per_em = metrics->units_per_em; + + scaler->x_scale = 0x10000L; + scaler->y_scale = 0x10000L; + scaler->x_delta = 0; + scaler->y_delta = 0; + + scaler->face = face; + scaler->render_mode = FT_RENDER_MODE_NORMAL; + scaler->flags = 0; + + af_glyph_hints_rescale( hints, (AF_StyleMetrics)dummy ); + + error = af_glyph_hints_reload( hints, &face->glyph->outline ); + if ( error ) + goto Exit; + + for ( dim = 0; dim < AF_DIMENSION_MAX; dim++ ) + { + AF_LatinAxis axis = &metrics->axis[dim]; + AF_AxisHints axhints = &hints->axis[dim]; + AF_Segment seg, limit, link; + FT_UInt num_widths = 0; + + + error = af_latin_hints_compute_segments( hints, + (AF_Dimension)dim ); + if ( error ) + goto Exit; + + /* + * We assume that the glyphs selected for the stem width + * computation are `featureless' enough so that the linking + * algorithm works fine without adjustments of its scoring + * function. + */ + af_latin_hints_link_segments( hints, + 0, + NULL, + (AF_Dimension)dim ); + + seg = axhints->segments; + limit = seg + axhints->num_segments; + + for ( ; seg < limit; seg++ ) + { + link = seg->link; + + /* we only consider stem segments there! */ + if ( link && link->link == seg && link > seg ) + { + FT_Pos dist; + + + dist = seg->pos - link->pos; + if ( dist < 0 ) + dist = -dist; + + if ( num_widths < AF_LATIN_MAX_WIDTHS ) + axis->widths[num_widths++].org = dist; + } + } + + /* this also replaces multiple almost identical stem widths */ + /* with a single one (the value 100 is heuristic) */ + af_sort_and_quantize_widths( &num_widths, axis->widths, + dummy->units_per_em / 100 ); + axis->width_count = num_widths; + } + + Exit: + for ( dim = 0; dim < AF_DIMENSION_MAX; dim++ ) + { + AF_LatinAxis axis = &metrics->axis[dim]; + FT_Pos stdw; + + + stdw = ( axis->width_count > 0 ) ? axis->widths[0].org + : AF_LATIN_CONSTANT( metrics, 50 ); + + /* let's try 20% of the smallest width */ + axis->edge_distance_threshold = stdw / 5; + axis->standard_width = stdw; + axis->extra_light = 0; + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_UInt i; + + + FT_TRACE5(( "%s widths:\n", + dim == AF_DIMENSION_VERT ? "horizontal" + : "vertical" )); + + FT_TRACE5(( " %d (standard)", axis->standard_width )); + for ( i = 1; i < axis->width_count; i++ ) + FT_TRACE5(( " %d", axis->widths[i].org )); + + FT_TRACE5(( "\n" )); + } +#endif + } + } + + FT_TRACE5(( "\n" )); + + af_glyph_hints_done( hints ); + } + + + static void + af_latin_sort_blue( FT_UInt count, + AF_LatinBlue* table ) + { + FT_UInt i, j; + AF_LatinBlue swap; + + + /* we sort from bottom to top */ + for ( i = 1; i < count; i++ ) + { + for ( j = i; j > 0; j-- ) + { + FT_Pos a, b; + + + if ( table[j - 1]->flags & ( AF_LATIN_BLUE_TOP | + AF_LATIN_BLUE_SUB_TOP ) ) + a = table[j - 1]->ref.org; + else + a = table[j - 1]->shoot.org; + + if ( table[j]->flags & ( AF_LATIN_BLUE_TOP | + AF_LATIN_BLUE_SUB_TOP ) ) + b = table[j]->ref.org; + else + b = table[j]->shoot.org; + + if ( b >= a ) + break; + + swap = table[j]; + table[j] = table[j - 1]; + table[j - 1] = swap; + } + } + } + + + /* Find all blue zones. Flat segments give the reference points, */ + /* round segments the overshoot positions. */ + + static void + af_latin_metrics_init_blues( AF_LatinMetrics metrics, + FT_Face face ) + { + FT_Pos flats [AF_BLUE_STRING_MAX_LEN]; + FT_Pos rounds[AF_BLUE_STRING_MAX_LEN]; + + FT_UInt num_flats; + FT_UInt num_rounds; + + AF_LatinBlue blue; + FT_Error error; + AF_LatinAxis axis = &metrics->axis[AF_DIMENSION_VERT]; + FT_Outline outline; + + AF_StyleClass sc = metrics->root.style_class; + + AF_Blue_Stringset bss = sc->blue_stringset; + const AF_Blue_StringRec* bs = &af_blue_stringsets[bss]; + + FT_Pos flat_threshold = FLAT_THRESHOLD( metrics->units_per_em ); + + void* shaper_buf; + + + /* we walk over the blue character strings as specified in the */ + /* style's entry in the `af_blue_stringset' array */ + + FT_TRACE5(( "latin blue zones computation\n" + "============================\n" + "\n" )); + + shaper_buf = af_shaper_buf_create( face ); + + for ( ; bs->string != AF_BLUE_STRING_MAX; bs++ ) + { + const char* p = &af_blue_strings[bs->string]; + FT_Pos* blue_ref; + FT_Pos* blue_shoot; + FT_Pos ascender; + FT_Pos descender; + + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_Bool have_flag = 0; + + + FT_TRACE5(( "blue zone %d", axis->blue_count )); + + if ( bs->properties ) + { + FT_TRACE5(( " (" )); + + if ( AF_LATIN_IS_TOP_BLUE( bs ) ) + { + FT_TRACE5(( "top" )); + have_flag = 1; + } + else if ( AF_LATIN_IS_SUB_TOP_BLUE( bs ) ) + { + FT_TRACE5(( "sub top" )); + have_flag = 1; + } + + if ( AF_LATIN_IS_NEUTRAL_BLUE( bs ) ) + { + if ( have_flag ) + FT_TRACE5(( ", " )); + FT_TRACE5(( "neutral" )); + have_flag = 1; + } + + if ( AF_LATIN_IS_X_HEIGHT_BLUE( bs ) ) + { + if ( have_flag ) + FT_TRACE5(( ", " )); + FT_TRACE5(( "small top" )); + have_flag = 1; + } + + if ( AF_LATIN_IS_LONG_BLUE( bs ) ) + { + if ( have_flag ) + FT_TRACE5(( ", " )); + FT_TRACE5(( "long" )); + } + + FT_TRACE5(( ")" )); + } + + FT_TRACE5(( ":\n" )); + } +#endif /* FT_DEBUG_LEVEL_TRACE */ + + num_flats = 0; + num_rounds = 0; + ascender = 0; + descender = 0; + + while ( *p ) + { + FT_ULong glyph_index; + FT_Long y_offset; + FT_Int best_point, best_contour_first, best_contour_last; + FT_Vector* points; + + FT_Pos best_y_extremum; /* same as points.y */ + FT_Bool best_round = 0; + + unsigned int i, num_idx; + +#ifdef FT_DEBUG_LEVEL_TRACE + const char* p_old; + FT_ULong ch; +#endif + + + while ( *p == ' ' ) + p++; + +#ifdef FT_DEBUG_LEVEL_TRACE + p_old = p; + GET_UTF8_CHAR( ch, p_old ); +#endif + + p = af_shaper_get_cluster( p, &metrics->root, shaper_buf, &num_idx ); + + if ( !num_idx ) + { + FT_TRACE5(( " U+%04lX unavailable\n", ch )); + continue; + } + + if ( AF_LATIN_IS_TOP_BLUE( bs ) ) + best_y_extremum = FT_INT_MIN; + else + best_y_extremum = FT_INT_MAX; + + /* iterate over all glyph elements of the character cluster */ + /* and get the data of the `biggest' one */ + for ( i = 0; i < num_idx; i++ ) + { + FT_Pos best_y; + FT_Bool round = 0; + + + /* load the character in the face -- skip unknown or empty ones */ + glyph_index = af_shaper_get_elem( &metrics->root, + shaper_buf, + i, + NULL, + &y_offset ); + if ( glyph_index == 0 ) + { + FT_TRACE5(( " U+%04lX unavailable\n", ch )); + continue; + } + + error = FT_Load_Glyph( face, glyph_index, FT_LOAD_NO_SCALE ); + outline = face->glyph->outline; + /* reject glyphs that don't produce any rendering */ + if ( error || outline.n_points <= 2 ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + if ( num_idx == 1 ) + FT_TRACE5(( " U+%04lX contains no (usable) outlines\n", ch )); + else + FT_TRACE5(( " component %d of cluster starting with U+%04lX" + " contains no (usable) outlines\n", i, ch )); +#endif + continue; + } + + /* now compute min or max point indices and coordinates */ + points = outline.points; + best_point = -1; + best_y = 0; /* make compiler happy */ + best_contour_first = 0; /* ditto */ + best_contour_last = 0; /* ditto */ + + { + FT_Int nn; + FT_Int first = 0; + FT_Int last = -1; + + + for ( nn = 0; nn < outline.n_contours; first = last + 1, nn++ ) + { + FT_Int old_best_point = best_point; + FT_Int pp; + + + last = outline.contours[nn]; + + /* Avoid single-point contours since they are never */ + /* rasterized. In some fonts, they correspond to mark */ + /* attachment points that are way outside of the glyph's */ + /* real outline. */ + if ( last <= first ) + continue; + + if ( AF_LATIN_IS_TOP_BLUE( bs ) || + AF_LATIN_IS_SUB_TOP_BLUE( bs ) ) + { + for ( pp = first; pp <= last; pp++ ) + { + if ( best_point < 0 || points[pp].y > best_y ) + { + best_point = pp; + best_y = points[pp].y; + ascender = FT_MAX( ascender, best_y + y_offset ); + } + else + descender = FT_MIN( descender, points[pp].y + y_offset ); + } + } + else + { + for ( pp = first; pp <= last; pp++ ) + { + if ( best_point < 0 || points[pp].y < best_y ) + { + best_point = pp; + best_y = points[pp].y; + descender = FT_MIN( descender, best_y + y_offset ); + } + else + ascender = FT_MAX( ascender, points[pp].y + y_offset ); + } + } + + if ( best_point != old_best_point ) + { + best_contour_first = first; + best_contour_last = last; + } + } + } + + /* now check whether the point belongs to a straight or round */ + /* segment; we first need to find in which contour the extremum */ + /* lies, then inspect its previous and next points */ + if ( best_point >= 0 ) + { + FT_Pos best_x = points[best_point].x; + FT_Int prev, next; + FT_Int best_segment_first, best_segment_last; + FT_Int best_on_point_first, best_on_point_last; + FT_Pos dist; + + + best_segment_first = best_point; + best_segment_last = best_point; + + if ( FT_CURVE_TAG( outline.tags[best_point] ) == FT_CURVE_TAG_ON ) + { + best_on_point_first = best_point; + best_on_point_last = best_point; + } + else + { + best_on_point_first = -1; + best_on_point_last = -1; + } + + /* look for the previous and next points on the contour */ + /* that are not on the same Y coordinate, then threshold */ + /* the `closeness'... */ + prev = best_point; + next = prev; + + do + { + if ( prev > best_contour_first ) + prev--; + else + prev = best_contour_last; + + dist = FT_ABS( points[prev].y - best_y ); + /* accept a small distance or a small angle (both values are */ + /* heuristic; value 20 corresponds to approx. 2.9 degrees) */ + if ( dist > 5 ) + if ( FT_ABS( points[prev].x - best_x ) <= 20 * dist ) + break; + + best_segment_first = prev; + + if ( FT_CURVE_TAG( outline.tags[prev] ) == FT_CURVE_TAG_ON ) + { + best_on_point_first = prev; + if ( best_on_point_last < 0 ) + best_on_point_last = prev; + } + + } while ( prev != best_point ); + + do + { + if ( next < best_contour_last ) + next++; + else + next = best_contour_first; + + dist = FT_ABS( points[next].y - best_y ); + if ( dist > 5 ) + if ( FT_ABS( points[next].x - best_x ) <= 20 * dist ) + break; + + best_segment_last = next; + + if ( FT_CURVE_TAG( outline.tags[next] ) == FT_CURVE_TAG_ON ) + { + best_on_point_last = next; + if ( best_on_point_first < 0 ) + best_on_point_first = next; + } + + } while ( next != best_point ); + + if ( AF_LATIN_IS_LONG_BLUE( bs ) ) + { + /* If this flag is set, we have an additional constraint to */ + /* get the blue zone distance: Find a segment of the topmost */ + /* (or bottommost) contour that is longer than a heuristic */ + /* threshold. This ensures that small bumps in the outline */ + /* are ignored (for example, the `vertical serifs' found in */ + /* many Hebrew glyph designs). */ + + /* If this segment is long enough, we are done. Otherwise, */ + /* search the segment next to the extremum that is long */ + /* enough, has the same direction, and a not too large */ + /* vertical distance from the extremum. Note that the */ + /* algorithm doesn't check whether the found segment is */ + /* actually the one (vertically) nearest to the extremum. */ + + /* heuristic threshold value */ + FT_Pos length_threshold = metrics->units_per_em / 25; + + + dist = FT_ABS( points[best_segment_last].x - + points[best_segment_first].x ); + + if ( dist < length_threshold && + best_segment_last - best_segment_first + 2 <= + best_contour_last - best_contour_first ) + { + /* heuristic threshold value */ + FT_Pos height_threshold = metrics->units_per_em / 4; + + FT_Int first; + FT_Int last; + FT_Bool hit; + + /* we intentionally declare these two variables */ + /* outside of the loop since various compilers emit */ + /* incorrect warning messages otherwise, talking about */ + /* `possibly uninitialized variables' */ + FT_Int p_first = 0; /* make compiler happy */ + FT_Int p_last = 0; + + FT_Bool left2right; + + + /* compute direction */ + prev = best_point; + + do + { + if ( prev > best_contour_first ) + prev--; + else + prev = best_contour_last; + + if ( points[prev].x != best_x ) + break; + + } while ( prev != best_point ); + + /* skip glyph for the degenerate case */ + if ( prev == best_point ) + continue; + + left2right = FT_BOOL( points[prev].x < points[best_point].x ); + + first = best_segment_last; + last = first; + hit = 0; + + do + { + FT_Bool l2r; + FT_Pos d; + + + if ( !hit ) + { + /* no hit; adjust first point */ + first = last; + + /* also adjust first and last on point */ + if ( FT_CURVE_TAG( outline.tags[first] ) == + FT_CURVE_TAG_ON ) + { + p_first = first; + p_last = first; + } + else + { + p_first = -1; + p_last = -1; + } + + hit = 1; + } + + if ( last < best_contour_last ) + last++; + else + last = best_contour_first; + + if ( FT_ABS( best_y - points[first].y ) > height_threshold ) + { + /* vertical distance too large */ + hit = 0; + continue; + } + + /* same test as above */ + dist = FT_ABS( points[last].y - points[first].y ); + if ( dist > 5 ) + if ( FT_ABS( points[last].x - points[first].x ) <= + 20 * dist ) + { + hit = 0; + continue; + } + + if ( FT_CURVE_TAG( outline.tags[last] ) == FT_CURVE_TAG_ON ) + { + p_last = last; + if ( p_first < 0 ) + p_first = last; + } + + l2r = FT_BOOL( points[first].x < points[last].x ); + d = FT_ABS( points[last].x - points[first].x ); + + if ( l2r == left2right && + d >= length_threshold ) + { + /* all constraints are met; update segment after */ + /* finding its end */ + do + { + if ( last < best_contour_last ) + last++; + else + last = best_contour_first; + + d = FT_ABS( points[last].y - points[first].y ); + if ( d > 5 ) + if ( FT_ABS( points[next].x - points[first].x ) <= + 20 * dist ) + { + if ( last > best_contour_first ) + last--; + else + last = best_contour_last; + break; + } + + p_last = last; + + if ( FT_CURVE_TAG( outline.tags[last] ) == + FT_CURVE_TAG_ON ) + { + p_last = last; + if ( p_first < 0 ) + p_first = last; + } + + } while ( last != best_segment_first ); + + best_y = points[first].y; + + best_segment_first = first; + best_segment_last = last; + + best_on_point_first = p_first; + best_on_point_last = p_last; + + break; + } + + } while ( last != best_segment_first ); + } + } + + /* for computing blue zones, we add the y offset as returned */ + /* by the currently used OpenType feature -- for example, */ + /* superscript glyphs might be identical to subscript glyphs */ + /* with a vertical shift */ + best_y += y_offset; + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( num_idx == 1 ) + FT_TRACE5(( " U+%04lX: best_y = %5ld", ch, best_y )); + else + FT_TRACE5(( " component %d of cluster starting with U+%04lX:" + " best_y = %5ld", i, ch, best_y )); +#endif + + /* now set the `round' flag depending on the segment's kind: */ + /* */ + /* - if the horizontal distance between the first and last */ + /* `on' point is larger than a heuristic threshold */ + /* we have a flat segment */ + /* - if either the first or the last point of the segment is */ + /* an `off' point, the segment is round, otherwise it is */ + /* flat */ + if ( best_on_point_first >= 0 && + best_on_point_last >= 0 && + ( FT_ABS( points[best_on_point_last].x - + points[best_on_point_first].x ) ) > + flat_threshold ) + round = 0; + else + round = FT_BOOL( + FT_CURVE_TAG( outline.tags[best_segment_first] ) != + FT_CURVE_TAG_ON || + FT_CURVE_TAG( outline.tags[best_segment_last] ) != + FT_CURVE_TAG_ON ); + + if ( round && AF_LATIN_IS_NEUTRAL_BLUE( bs ) ) + { + /* only use flat segments for a neutral blue zone */ + FT_TRACE5(( " (round, skipped)\n" )); + continue; + } + + FT_TRACE5(( " (%s)\n", round ? "round" : "flat" )); + } + + if ( AF_LATIN_IS_TOP_BLUE( bs ) ) + { + if ( best_y > best_y_extremum ) + { + best_y_extremum = best_y; + best_round = round; + } + } + else + { + if ( best_y < best_y_extremum ) + { + best_y_extremum = best_y; + best_round = round; + } + } + + } /* end for loop */ + + if ( !( best_y_extremum == FT_INT_MIN || + best_y_extremum == FT_INT_MAX ) ) + { + if ( best_round ) + rounds[num_rounds++] = best_y_extremum; + else + flats[num_flats++] = best_y_extremum; + } + + } /* end while loop */ + + if ( num_flats == 0 && num_rounds == 0 ) + { + /* + * we couldn't find a single glyph to compute this blue zone, + * we will simply ignore it then + */ + FT_TRACE5(( " empty\n" )); + continue; + } + + /* we have computed the contents of the `rounds' and `flats' tables, */ + /* now determine the reference and overshoot position of the blue -- */ + /* we simply take the median value after a simple sort */ + af_sort_pos( num_rounds, rounds ); + af_sort_pos( num_flats, flats ); + + blue = &axis->blues[axis->blue_count]; + blue_ref = &blue->ref.org; + blue_shoot = &blue->shoot.org; + + axis->blue_count++; + + if ( num_flats == 0 ) + { + *blue_ref = + *blue_shoot = rounds[num_rounds / 2]; + } + else if ( num_rounds == 0 ) + { + *blue_ref = + *blue_shoot = flats[num_flats / 2]; + } + else + { + *blue_ref = flats [num_flats / 2]; + *blue_shoot = rounds[num_rounds / 2]; + } + + /* there are sometimes problems: if the overshoot position of top */ + /* zones is under its reference position, or the opposite for bottom */ + /* zones. We must thus check everything there and correct the errors */ + if ( *blue_shoot != *blue_ref ) + { + FT_Pos ref = *blue_ref; + FT_Pos shoot = *blue_shoot; + FT_Bool over_ref = FT_BOOL( shoot > ref ); + + + if ( ( AF_LATIN_IS_TOP_BLUE( bs ) || + AF_LATIN_IS_SUB_TOP_BLUE( bs) ) ^ over_ref ) + { + *blue_ref = + *blue_shoot = ( shoot + ref ) / 2; + + FT_TRACE5(( " [overshoot smaller than reference," + " taking mean value]\n" )); + } + } + + blue->ascender = ascender; + blue->descender = descender; + + blue->flags = 0; + if ( AF_LATIN_IS_TOP_BLUE( bs ) ) + blue->flags |= AF_LATIN_BLUE_TOP; + if ( AF_LATIN_IS_SUB_TOP_BLUE( bs ) ) + blue->flags |= AF_LATIN_BLUE_SUB_TOP; + if ( AF_LATIN_IS_NEUTRAL_BLUE( bs ) ) + blue->flags |= AF_LATIN_BLUE_NEUTRAL; + + /* + * The following flag is used later to adjust the y and x scales + * in order to optimize the pixel grid alignment of the top of small + * letters. + */ + if ( AF_LATIN_IS_X_HEIGHT_BLUE( bs ) ) + blue->flags |= AF_LATIN_BLUE_ADJUSTMENT; + + FT_TRACE5(( " -> reference = %ld\n" + " overshoot = %ld\n", + *blue_ref, *blue_shoot )); + + } /* end for loop */ + + af_shaper_buf_destroy( face, shaper_buf ); + + /* we finally check whether blue zones are ordered; */ + /* `ref' and `shoot' values of two blue zones must not overlap */ + if ( axis->blue_count ) + { + FT_UInt i; + AF_LatinBlue blue_sorted[AF_BLUE_STRINGSET_MAX_LEN + 2]; + + + for ( i = 0; i < axis->blue_count; i++ ) + blue_sorted[i] = &axis->blues[i]; + + /* sort bottoms of blue zones... */ + af_latin_sort_blue( axis->blue_count, blue_sorted ); + + /* ...and adjust top values if necessary */ + for ( i = 0; i < axis->blue_count - 1; i++ ) + { + FT_Pos* a; + FT_Pos* b; + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_Bool a_is_top = 0; +#endif + + + if ( blue_sorted[i]->flags & ( AF_LATIN_BLUE_TOP | + AF_LATIN_BLUE_SUB_TOP ) ) + { + a = &blue_sorted[i]->shoot.org; +#ifdef FT_DEBUG_LEVEL_TRACE + a_is_top = 1; +#endif + } + else + a = &blue_sorted[i]->ref.org; + + if ( blue_sorted[i + 1]->flags & ( AF_LATIN_BLUE_TOP | + AF_LATIN_BLUE_SUB_TOP ) ) + b = &blue_sorted[i + 1]->shoot.org; + else + b = &blue_sorted[i + 1]->ref.org; + + if ( *a > *b ) + { + *a = *b; + FT_TRACE5(( "blue zone overlap:" + " adjusting %s %d to %ld\n", + a_is_top ? "overshoot" : "reference", + blue_sorted[i] - axis->blues, + *a )); + } + } + } + + FT_TRACE5(( "\n" )); + + return; + } + + + /* Check whether all ASCII digits have the same advance width. */ + + FT_LOCAL_DEF( void ) + af_latin_metrics_check_digits( AF_LatinMetrics metrics, + FT_Face face ) + { + FT_Bool started = 0, same_width = 1; + FT_Fixed advance = 0, old_advance = 0; + + void* shaper_buf; + + /* in all supported charmaps, digits have character codes 0x30-0x39 */ + const char digits[] = "0 1 2 3 4 5 6 7 8 9"; + const char* p; + + + p = digits; + shaper_buf = af_shaper_buf_create( face ); + + while ( *p ) + { + FT_ULong glyph_index; + unsigned int num_idx; + + + /* reject input that maps to more than a single glyph */ + p = af_shaper_get_cluster( p, &metrics->root, shaper_buf, &num_idx ); + if ( num_idx > 1 ) + continue; + + glyph_index = af_shaper_get_elem( &metrics->root, + shaper_buf, + 0, + &advance, + NULL ); + if ( !glyph_index ) + continue; + + if ( started ) + { + if ( advance != old_advance ) + { + same_width = 0; + break; + } + } + else + { + old_advance = advance; + started = 1; + } + } + + af_shaper_buf_destroy( face, shaper_buf ); + + metrics->root.digits_have_same_width = same_width; + } + + + /* Initialize global metrics. */ + + FT_LOCAL_DEF( FT_Error ) + af_latin_metrics_init( AF_LatinMetrics metrics, + FT_Face face ) + { + FT_CharMap oldmap = face->charmap; + + + metrics->units_per_em = face->units_per_EM; + + if ( !FT_Select_Charmap( face, FT_ENCODING_UNICODE ) ) + { + af_latin_metrics_init_widths( metrics, face ); + af_latin_metrics_init_blues( metrics, face ); + af_latin_metrics_check_digits( metrics, face ); + } + + FT_Set_Charmap( face, oldmap ); + return FT_Err_Ok; + } + + + /* Adjust scaling value, then scale and shift widths */ + /* and blue zones (if applicable) for given dimension. */ + + static void + af_latin_metrics_scale_dim( AF_LatinMetrics metrics, + AF_Scaler scaler, + AF_Dimension dim ) + { + FT_Fixed scale; + FT_Pos delta; + AF_LatinAxis axis; + FT_UInt nn; + + + if ( dim == AF_DIMENSION_HORZ ) + { + scale = scaler->x_scale; + delta = scaler->x_delta; + } + else + { + scale = scaler->y_scale; + delta = scaler->y_delta; + } + + axis = &metrics->axis[dim]; + + if ( axis->org_scale == scale && axis->org_delta == delta ) + return; + + axis->org_scale = scale; + axis->org_delta = delta; + + /* + * correct X and Y scale to optimize the alignment of the top of small + * letters to the pixel grid + */ + { + AF_LatinAxis Axis = &metrics->axis[AF_DIMENSION_VERT]; + AF_LatinBlue blue = NULL; + + + for ( nn = 0; nn < Axis->blue_count; nn++ ) + { + if ( Axis->blues[nn].flags & AF_LATIN_BLUE_ADJUSTMENT ) + { + blue = &Axis->blues[nn]; + break; + } + } + + if ( blue ) + { + FT_Pos scaled; + FT_Pos threshold; + FT_Pos fitted; + FT_UInt limit; + FT_UInt ppem; + + + scaled = FT_MulFix( blue->shoot.org, scale ); + ppem = metrics->root.scaler.face->size->metrics.x_ppem; + limit = metrics->root.globals->increase_x_height; + threshold = 40; + + /* if the `increase-x-height' property is active, */ + /* we round up much more often */ + if ( limit && + ppem <= limit && + ppem >= AF_PROP_INCREASE_X_HEIGHT_MIN ) + threshold = 52; + + fitted = ( scaled + threshold ) & ~63; + + if ( scaled != fitted ) + { +#if 0 + if ( dim == AF_DIMENSION_HORZ ) + { + if ( fitted < scaled ) + scale -= scale / 50; /* scale *= 0.98 */ + } + else +#endif + if ( dim == AF_DIMENSION_VERT ) + { + FT_Pos max_height; + FT_Pos dist; + FT_Fixed new_scale; + + + new_scale = FT_MulDiv( scale, fitted, scaled ); + + /* the scaling should not change the result by more than two pixels */ + max_height = metrics->units_per_em; + + for ( nn = 0; nn < Axis->blue_count; nn++ ) + { + max_height = FT_MAX( max_height, Axis->blues[nn].ascender ); + max_height = FT_MAX( max_height, -Axis->blues[nn].descender ); + } + + dist = FT_ABS( FT_MulFix( max_height, new_scale - scale ) ); + dist &= ~127; + + if ( dist == 0 ) + { + FT_TRACE5(( + "af_latin_metrics_scale_dim:" + " x height alignment (style `%s'):\n" + " " + " vertical scaling changed from %.5f to %.5f (by %d%%)\n" + "\n", + af_style_names[metrics->root.style_class->style], + scale / 65536.0, + new_scale / 65536.0, + ( fitted - scaled ) * 100 / scaled )); + + scale = new_scale; + } +#ifdef FT_DEBUG_LEVEL_TRACE + else + { + FT_TRACE5(( + "af_latin_metrics_scale_dim:" + " x height alignment (style `%s'):\n" + " " + " excessive vertical scaling abandoned\n" + "\n", + af_style_names[metrics->root.style_class->style] )); + } +#endif + } + } + } + } + + axis->scale = scale; + axis->delta = delta; + + if ( dim == AF_DIMENSION_HORZ ) + { + metrics->root.scaler.x_scale = scale; + metrics->root.scaler.x_delta = delta; + } + else + { + metrics->root.scaler.y_scale = scale; + metrics->root.scaler.y_delta = delta; + } + + FT_TRACE5(( "%s widths (style `%s')\n", + dim == AF_DIMENSION_HORZ ? "horizontal" : "vertical", + af_style_names[metrics->root.style_class->style] )); + + /* scale the widths */ + for ( nn = 0; nn < axis->width_count; nn++ ) + { + AF_Width width = axis->widths + nn; + + + width->cur = FT_MulFix( width->org, scale ); + width->fit = width->cur; + + FT_TRACE5(( " %d scaled to %.2f\n", + width->org, + width->cur / 64.0 )); + } + + FT_TRACE5(( "\n" )); + + /* an extra-light axis corresponds to a standard width that is */ + /* smaller than 5/8 pixels */ + axis->extra_light = + (FT_Bool)( FT_MulFix( axis->standard_width, scale ) < 32 + 8 ); + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( axis->extra_light ) + FT_TRACE5(( "`%s' style is extra light (at current resolution)\n" + "\n", + af_style_names[metrics->root.style_class->style] )); +#endif + + if ( dim == AF_DIMENSION_VERT ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + if ( axis->blue_count ) + FT_TRACE5(( "blue zones (style `%s')\n", + af_style_names[metrics->root.style_class->style] )); +#endif + + /* scale the blue zones */ + for ( nn = 0; nn < axis->blue_count; nn++ ) + { + AF_LatinBlue blue = &axis->blues[nn]; + FT_Pos dist; + + + blue->ref.cur = FT_MulFix( blue->ref.org, scale ) + delta; + blue->ref.fit = blue->ref.cur; + blue->shoot.cur = FT_MulFix( blue->shoot.org, scale ) + delta; + blue->shoot.fit = blue->shoot.cur; + blue->flags &= ~AF_LATIN_BLUE_ACTIVE; + + /* a blue zone is only active if it is less than 3/4 pixels tall */ + dist = FT_MulFix( blue->ref.org - blue->shoot.org, scale ); + if ( dist <= 48 && dist >= -48 ) + { +#if 0 + FT_Pos delta1; +#endif + FT_Pos delta2; + + + /* use discrete values for blue zone widths */ + +#if 0 + + /* generic, original code */ + delta1 = blue->shoot.org - blue->ref.org; + delta2 = delta1; + if ( delta1 < 0 ) + delta2 = -delta2; + + delta2 = FT_MulFix( delta2, scale ); + + if ( delta2 < 32 ) + delta2 = 0; + else if ( delta2 < 64 ) + delta2 = 32 + ( ( ( delta2 - 32 ) + 16 ) & ~31 ); + else + delta2 = FT_PIX_ROUND( delta2 ); + + if ( delta1 < 0 ) + delta2 = -delta2; + + blue->ref.fit = FT_PIX_ROUND( blue->ref.cur ); + blue->shoot.fit = blue->ref.fit + delta2; + +#else + + /* simplified version due to abs(dist) <= 48 */ + delta2 = dist; + if ( dist < 0 ) + delta2 = -delta2; + + if ( delta2 < 32 ) + delta2 = 0; + else if ( delta2 < 48 ) + delta2 = 32; + else + delta2 = 64; + + if ( dist < 0 ) + delta2 = -delta2; + + blue->ref.fit = FT_PIX_ROUND( blue->ref.cur ); + blue->shoot.fit = blue->ref.fit - delta2; + +#endif + + blue->flags |= AF_LATIN_BLUE_ACTIVE; + } + } + + /* use sub-top blue zone only if it doesn't overlap with */ + /* another (non-sup-top) blue zone; otherwise, the */ + /* effect would be similar to a neutral blue zone, which */ + /* is not desired here */ + for ( nn = 0; nn < axis->blue_count; nn++ ) + { + AF_LatinBlue blue = &axis->blues[nn]; + FT_UInt i; + + + if ( !( blue->flags & AF_LATIN_BLUE_SUB_TOP ) ) + continue; + if ( !( blue->flags & AF_LATIN_BLUE_ACTIVE ) ) + continue; + + for ( i = 0; i < axis->blue_count; i++ ) + { + AF_LatinBlue b = &axis->blues[i]; + + + if ( b->flags & AF_LATIN_BLUE_SUB_TOP ) + continue; + if ( !( b->flags & AF_LATIN_BLUE_ACTIVE ) ) + continue; + + if ( b->ref.fit <= blue->shoot.fit && + b->shoot.fit >= blue->ref.fit ) + { + blue->flags &= ~AF_LATIN_BLUE_ACTIVE; + break; + } + } + } + +#ifdef FT_DEBUG_LEVEL_TRACE + for ( nn = 0; nn < axis->blue_count; nn++ ) + { + AF_LatinBlue blue = &axis->blues[nn]; + + + FT_TRACE5(( " reference %d: %d scaled to %.2f%s\n" + " overshoot %d: %d scaled to %.2f%s\n", + nn, + blue->ref.org, + blue->ref.fit / 64.0, + blue->flags & AF_LATIN_BLUE_ACTIVE ? "" + : " (inactive)", + nn, + blue->shoot.org, + blue->shoot.fit / 64.0, + blue->flags & AF_LATIN_BLUE_ACTIVE ? "" + : " (inactive)" )); + } +#endif + } + } + + + /* Scale global values in both directions. */ + + FT_LOCAL_DEF( void ) + af_latin_metrics_scale( AF_LatinMetrics metrics, + AF_Scaler scaler ) + { + metrics->root.scaler.render_mode = scaler->render_mode; + metrics->root.scaler.face = scaler->face; + metrics->root.scaler.flags = scaler->flags; + + af_latin_metrics_scale_dim( metrics, scaler, AF_DIMENSION_HORZ ); + af_latin_metrics_scale_dim( metrics, scaler, AF_DIMENSION_VERT ); + } + + + /* Extract standard_width from writing system/script specific */ + /* metrics class. */ + + FT_LOCAL_DEF( void ) + af_latin_get_standard_widths( AF_LatinMetrics metrics, + FT_Pos* stdHW, + FT_Pos* stdVW ) + { + if ( stdHW ) + *stdHW = metrics->axis[AF_DIMENSION_VERT].standard_width; + + if ( stdVW ) + *stdVW = metrics->axis[AF_DIMENSION_HORZ].standard_width; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** L A T I N G L Y P H A N A L Y S I S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* Walk over all contours and compute its segments. */ + + FT_LOCAL_DEF( FT_Error ) + af_latin_hints_compute_segments( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_LatinMetrics metrics = (AF_LatinMetrics)hints->metrics; + AF_AxisHints axis = &hints->axis[dim]; + FT_Memory memory = hints->memory; + FT_Error error = FT_Err_Ok; + AF_Segment segment = NULL; + AF_SegmentRec seg0; + AF_Point* contour = hints->contours; + AF_Point* contour_limit = contour + hints->num_contours; + AF_Direction major_dir, segment_dir; + + FT_Pos flat_threshold = FLAT_THRESHOLD( metrics->units_per_em ); + + + FT_ZERO( &seg0 ); + seg0.score = 32000; + seg0.flags = AF_EDGE_NORMAL; + + major_dir = (AF_Direction)FT_ABS( axis->major_dir ); + segment_dir = major_dir; + + axis->num_segments = 0; + + /* set up (u,v) in each point */ + if ( dim == AF_DIMENSION_HORZ ) + { + AF_Point point = hints->points; + AF_Point limit = point + hints->num_points; + + + for ( ; point < limit; point++ ) + { + point->u = point->fx; + point->v = point->fy; + } + } + else + { + AF_Point point = hints->points; + AF_Point limit = point + hints->num_points; + + + for ( ; point < limit; point++ ) + { + point->u = point->fy; + point->v = point->fx; + } + } + + /* do each contour separately */ + for ( ; contour < contour_limit; contour++ ) + { + AF_Point point = contour[0]; + AF_Point last = point->prev; + int on_edge = 0; + + /* we call values measured along a segment (point->v) */ + /* `coordinates', and values orthogonal to it (point->u) */ + /* `positions' */ + FT_Pos min_pos = 32000; + FT_Pos max_pos = -32000; + FT_Pos min_coord = 32000; + FT_Pos max_coord = -32000; + FT_UShort min_flags = AF_FLAG_NONE; + FT_UShort max_flags = AF_FLAG_NONE; + FT_Pos min_on_coord = 32000; + FT_Pos max_on_coord = -32000; + + FT_Bool passed; + + AF_Segment prev_segment = NULL; + + FT_Pos prev_min_pos = min_pos; + FT_Pos prev_max_pos = max_pos; + FT_Pos prev_min_coord = min_coord; + FT_Pos prev_max_coord = max_coord; + FT_UShort prev_min_flags = min_flags; + FT_UShort prev_max_flags = max_flags; + FT_Pos prev_min_on_coord = min_on_coord; + FT_Pos prev_max_on_coord = max_on_coord; + + + if ( FT_ABS( last->out_dir ) == major_dir && + FT_ABS( point->out_dir ) == major_dir ) + { + /* we are already on an edge, try to locate its start */ + last = point; + + for (;;) + { + point = point->prev; + if ( FT_ABS( point->out_dir ) != major_dir ) + { + point = point->next; + break; + } + if ( point == last ) + break; + } + } + + last = point; + passed = 0; + + for (;;) + { + FT_Pos u, v; + + + if ( on_edge ) + { + /* get minimum and maximum position */ + u = point->u; + if ( u < min_pos ) + min_pos = u; + if ( u > max_pos ) + max_pos = u; + + /* get minimum and maximum coordinate together with flags */ + v = point->v; + if ( v < min_coord ) + { + min_coord = v; + min_flags = point->flags; + } + if ( v > max_coord ) + { + max_coord = v; + max_flags = point->flags; + } + + /* get minimum and maximum coordinate of `on' points */ + if ( !( point->flags & AF_FLAG_CONTROL ) ) + { + v = point->v; + if ( v < min_on_coord ) + min_on_coord = v; + if ( v > max_on_coord ) + max_on_coord = v; + } + + if ( point->out_dir != segment_dir || point == last ) + { + /* check whether the new segment's start point is identical to */ + /* the previous segment's end point; for example, this might */ + /* happen for spikes */ + + if ( !prev_segment || segment->first != prev_segment->last ) + { + /* points are different: we are just leaving an edge, thus */ + /* record a new segment */ + + segment->last = point; + segment->pos = (FT_Short)( ( min_pos + max_pos ) >> 1 ); + segment->delta = (FT_Short)( ( max_pos - min_pos ) >> 1 ); + + /* a segment is round if either its first or last point */ + /* is a control point, and the length of the on points */ + /* inbetween doesn't exceed a heuristic limit */ + if ( ( min_flags | max_flags ) & AF_FLAG_CONTROL && + ( max_on_coord - min_on_coord ) < flat_threshold ) + segment->flags |= AF_EDGE_ROUND; + + segment->min_coord = (FT_Short)min_coord; + segment->max_coord = (FT_Short)max_coord; + segment->height = segment->max_coord - segment->min_coord; + + prev_segment = segment; + prev_min_pos = min_pos; + prev_max_pos = max_pos; + prev_min_coord = min_coord; + prev_max_coord = max_coord; + prev_min_flags = min_flags; + prev_max_flags = max_flags; + prev_min_on_coord = min_on_coord; + prev_max_on_coord = max_on_coord; + } + else + { + /* points are the same: we don't create a new segment but */ + /* merge the current segment with the previous one */ + + if ( prev_segment->last->in_dir == point->in_dir ) + { + /* we have identical directions (this can happen for */ + /* degenerate outlines that move zig-zag along the main */ + /* axis without changing the coordinate value of the other */ + /* axis, and where the segments have just been merged): */ + /* unify segments */ + + /* update constraints */ + + if ( prev_min_pos < min_pos ) + min_pos = prev_min_pos; + if ( prev_max_pos > max_pos ) + max_pos = prev_max_pos; + + if ( prev_min_coord < min_coord ) + { + min_coord = prev_min_coord; + min_flags = prev_min_flags; + } + if ( prev_max_coord > max_coord ) + { + max_coord = prev_max_coord; + max_flags = prev_max_flags; + } + + if ( prev_min_on_coord < min_on_coord ) + min_on_coord = prev_min_on_coord; + if ( prev_max_on_coord > max_on_coord ) + max_on_coord = prev_max_on_coord; + + prev_segment->last = point; + prev_segment->pos = (FT_Short)( ( min_pos + + max_pos ) >> 1 ); + prev_segment->delta = (FT_Short)( ( max_pos - + min_pos ) >> 1 ); + + if ( ( min_flags | max_flags ) & AF_FLAG_CONTROL && + ( max_on_coord - min_on_coord ) < flat_threshold ) + prev_segment->flags |= AF_EDGE_ROUND; + else + prev_segment->flags &= ~AF_EDGE_ROUND; + + prev_segment->min_coord = (FT_Short)min_coord; + prev_segment->max_coord = (FT_Short)max_coord; + prev_segment->height = prev_segment->max_coord - + prev_segment->min_coord; + } + else + { + /* we have different directions; use the properties of the */ + /* longer segment and discard the other one */ + + if ( FT_ABS( prev_max_coord - prev_min_coord ) > + FT_ABS( max_coord - min_coord ) ) + { + /* discard current segment */ + + if ( min_pos < prev_min_pos ) + prev_min_pos = min_pos; + if ( max_pos > prev_max_pos ) + prev_max_pos = max_pos; + + prev_segment->last = point; + prev_segment->pos = (FT_Short)( ( prev_min_pos + + prev_max_pos ) >> 1 ); + prev_segment->delta = (FT_Short)( ( prev_max_pos - + prev_min_pos ) >> 1 ); + } + else + { + /* discard previous segment */ + + if ( prev_min_pos < min_pos ) + min_pos = prev_min_pos; + if ( prev_max_pos > max_pos ) + max_pos = prev_max_pos; + + segment->last = point; + segment->pos = (FT_Short)( ( min_pos + max_pos ) >> 1 ); + segment->delta = (FT_Short)( ( max_pos - min_pos ) >> 1 ); + + if ( ( min_flags | max_flags ) & AF_FLAG_CONTROL && + ( max_on_coord - min_on_coord ) < flat_threshold ) + segment->flags |= AF_EDGE_ROUND; + + segment->min_coord = (FT_Short)min_coord; + segment->max_coord = (FT_Short)max_coord; + segment->height = segment->max_coord - + segment->min_coord; + + *prev_segment = *segment; + + prev_min_pos = min_pos; + prev_max_pos = max_pos; + prev_min_coord = min_coord; + prev_max_coord = max_coord; + prev_min_flags = min_flags; + prev_max_flags = max_flags; + prev_min_on_coord = min_on_coord; + prev_max_on_coord = max_on_coord; + } + } + + axis->num_segments--; + } + + on_edge = 0; + segment = NULL; + + /* fall through */ + } + } + + /* now exit if we are at the start/end point */ + if ( point == last ) + { + if ( passed ) + break; + passed = 1; + } + + /* if we are not on an edge, check whether the major direction */ + /* coincides with the current point's `out' direction, or */ + /* whether we have a single-point contour */ + if ( !on_edge && + ( FT_ABS( point->out_dir ) == major_dir || + point == point->prev ) ) + { + /* this is the start of a new segment! */ + segment_dir = (AF_Direction)point->out_dir; + + error = af_axis_hints_new_segment( axis, memory, &segment ); + if ( error ) + goto Exit; + + /* clear all segment fields */ + segment[0] = seg0; + + segment->dir = (FT_Char)segment_dir; + segment->first = point; + segment->last = point; + + /* `af_axis_hints_new_segment' reallocates memory, */ + /* thus we have to refresh the `prev_segment' pointer */ + if ( prev_segment ) + prev_segment = segment - 1; + + min_pos = max_pos = point->u; + min_coord = max_coord = point->v; + min_flags = max_flags = point->flags; + + if ( point->flags & AF_FLAG_CONTROL ) + { + min_on_coord = 32000; + max_on_coord = -32000; + } + else + min_on_coord = max_on_coord = point->v; + + on_edge = 1; + + if ( point == point->prev ) + { + /* we have a one-point segment: this is a one-point */ + /* contour with `in' and `out' direction set to */ + /* AF_DIR_NONE */ + segment->pos = (FT_Short)min_pos; + + if (point->flags & AF_FLAG_CONTROL) + segment->flags |= AF_EDGE_ROUND; + + segment->min_coord = (FT_Short)point->v; + segment->max_coord = (FT_Short)point->v; + segment->height = 0; + + on_edge = 0; + segment = NULL; + } + } + + point = point->next; + } + + } /* contours */ + + + /* now slightly increase the height of segments if this makes */ + /* sense -- this is used to better detect and ignore serifs */ + { + AF_Segment segments = axis->segments; + AF_Segment segments_end = segments + axis->num_segments; + + + for ( segment = segments; segment < segments_end; segment++ ) + { + AF_Point first = segment->first; + AF_Point last = segment->last; + FT_Pos first_v = first->v; + FT_Pos last_v = last->v; + + + if ( first_v < last_v ) + { + AF_Point p; + + + p = first->prev; + if ( p->v < first_v ) + segment->height = (FT_Short)( segment->height + + ( ( first_v - p->v ) >> 1 ) ); + + p = last->next; + if ( p->v > last_v ) + segment->height = (FT_Short)( segment->height + + ( ( p->v - last_v ) >> 1 ) ); + } + else + { + AF_Point p; + + + p = first->prev; + if ( p->v > first_v ) + segment->height = (FT_Short)( segment->height + + ( ( p->v - first_v ) >> 1 ) ); + + p = last->next; + if ( p->v < last_v ) + segment->height = (FT_Short)( segment->height + + ( ( last_v - p->v ) >> 1 ) ); + } + } + } + + Exit: + return error; + } + + + /* Link segments to form stems and serifs. If `width_count' and */ + /* `widths' are non-zero, use them to fine-tune the scoring function. */ + + FT_LOCAL_DEF( void ) + af_latin_hints_link_segments( AF_GlyphHints hints, + FT_UInt width_count, + AF_WidthRec* widths, + AF_Dimension dim ) + { + AF_AxisHints axis = &hints->axis[dim]; + AF_Segment segments = axis->segments; + AF_Segment segment_limit = segments + axis->num_segments; + FT_Pos len_threshold, len_score, dist_score, max_width; + AF_Segment seg1, seg2; + + + if ( width_count ) + max_width = widths[width_count - 1].org; + else + max_width = 0; + + /* a heuristic value to set up a minimum value for overlapping */ + len_threshold = AF_LATIN_CONSTANT( hints->metrics, 8 ); + if ( len_threshold == 0 ) + len_threshold = 1; + + /* a heuristic value to weight lengths */ + len_score = AF_LATIN_CONSTANT( hints->metrics, 6000 ); + + /* a heuristic value to weight distances (no call to */ + /* AF_LATIN_CONSTANT needed, since we work on multiples */ + /* of the stem width) */ + dist_score = 3000; + + /* now compare each segment to the others */ + for ( seg1 = segments; seg1 < segment_limit; seg1++ ) + { + if ( seg1->dir != axis->major_dir ) + continue; + + /* search for stems having opposite directions, */ + /* with seg1 to the `left' of seg2 */ + for ( seg2 = segments; seg2 < segment_limit; seg2++ ) + { + FT_Pos pos1 = seg1->pos; + FT_Pos pos2 = seg2->pos; + + + if ( seg1->dir + seg2->dir == 0 && pos2 > pos1 ) + { + /* compute distance between the two segments */ + FT_Pos min = seg1->min_coord; + FT_Pos max = seg1->max_coord; + FT_Pos len; + + + if ( min < seg2->min_coord ) + min = seg2->min_coord; + + if ( max > seg2->max_coord ) + max = seg2->max_coord; + + /* compute maximum coordinate difference of the two segments */ + /* (this is, how much they overlap) */ + len = max - min; + if ( len >= len_threshold ) + { + /* + * The score is the sum of two demerits indicating the + * `badness' of a fit, measured along the segments' main axis + * and orthogonal to it, respectively. + * + * o The less overlapping along the main axis, the worse it + * is, causing a larger demerit. + * + * o The nearer the orthogonal distance to a stem width, the + * better it is, causing a smaller demerit. For simplicity, + * however, we only increase the demerit for values that + * exceed the largest stem width. + */ + + FT_Pos dist = pos2 - pos1; + + FT_Pos dist_demerit, score; + + + if ( max_width ) + { + /* distance demerits are based on multiples of `max_width'; */ + /* we scale by 1024 for getting more precision */ + FT_Pos delta = ( dist << 10 ) / max_width - ( 1 << 10 ); + + + if ( delta > 10000 ) + dist_demerit = 32000; + else if ( delta > 0 ) + dist_demerit = delta * delta / dist_score; + else + dist_demerit = 0; + } + else + dist_demerit = dist; /* default if no widths available */ + + score = dist_demerit + len_score / len; + + /* and we search for the smallest score */ + if ( score < seg1->score ) + { + seg1->score = score; + seg1->link = seg2; + } + + if ( score < seg2->score ) + { + seg2->score = score; + seg2->link = seg1; + } + } + } + } + } + + /* now compute the `serif' segments, cf. explanations in `afhints.h' */ + for ( seg1 = segments; seg1 < segment_limit; seg1++ ) + { + seg2 = seg1->link; + + if ( seg2 ) + { + if ( seg2->link != seg1 ) + { + seg1->link = 0; + seg1->serif = seg2->link; + } + } + } + } + + + /* Link segments to edges, using feature analysis for selection. */ + + FT_LOCAL_DEF( FT_Error ) + af_latin_hints_compute_edges( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_AxisHints axis = &hints->axis[dim]; + FT_Error error = FT_Err_Ok; + FT_Memory memory = hints->memory; + AF_LatinAxis laxis = &((AF_LatinMetrics)hints->metrics)->axis[dim]; + +#ifdef FT_CONFIG_OPTION_PIC + AF_FaceGlobals globals = hints->metrics->globals; +#endif + + AF_StyleClass style_class = hints->metrics->style_class; + AF_ScriptClass script_class = AF_SCRIPT_CLASSES_GET + [style_class->script]; + + FT_Bool top_to_bottom_hinting = 0; + + AF_Segment segments = axis->segments; + AF_Segment segment_limit = segments + axis->num_segments; + AF_Segment seg; + +#if 0 + AF_Direction up_dir; +#endif + FT_Fixed scale; + FT_Pos edge_distance_threshold; + FT_Pos segment_length_threshold; + FT_Pos segment_width_threshold; + + + axis->num_edges = 0; + + scale = ( dim == AF_DIMENSION_HORZ ) ? hints->x_scale + : hints->y_scale; + +#if 0 + up_dir = ( dim == AF_DIMENSION_HORZ ) ? AF_DIR_UP + : AF_DIR_RIGHT; +#endif + + if ( dim == AF_DIMENSION_VERT ) + top_to_bottom_hinting = script_class->top_to_bottom_hinting; + + /* + * We ignore all segments that are less than 1 pixel in length + * to avoid many problems with serif fonts. We compute the + * corresponding threshold in font units. + */ + if ( dim == AF_DIMENSION_HORZ ) + segment_length_threshold = FT_DivFix( 64, hints->y_scale ); + else + segment_length_threshold = 0; + + /* + * Similarly, we ignore segments that have a width delta + * larger than 0.5px (i.e., a width larger than 1px). + */ + segment_width_threshold = FT_DivFix( 32, scale ); + + /*********************************************************************/ + /* */ + /* We begin by generating a sorted table of edges for the current */ + /* direction. To do so, we simply scan each segment and try to find */ + /* an edge in our table that corresponds to its position. */ + /* */ + /* If no edge is found, we create and insert a new edge in the */ + /* sorted table. Otherwise, we simply add the segment to the edge's */ + /* list which gets processed in the second step to compute the */ + /* edge's properties. */ + /* */ + /* Note that the table of edges is sorted along the segment/edge */ + /* position. */ + /* */ + /*********************************************************************/ + + /* assure that edge distance threshold is at most 0.25px */ + edge_distance_threshold = FT_MulFix( laxis->edge_distance_threshold, + scale ); + if ( edge_distance_threshold > 64 / 4 ) + edge_distance_threshold = 64 / 4; + + edge_distance_threshold = FT_DivFix( edge_distance_threshold, + scale ); + + for ( seg = segments; seg < segment_limit; seg++ ) + { + AF_Edge found = NULL; + FT_Int ee; + + + /* ignore too short segments, too wide ones, and, in this loop, */ + /* one-point segments without a direction */ + if ( seg->height < segment_length_threshold || + seg->delta > segment_width_threshold || + seg->dir == AF_DIR_NONE ) + continue; + + /* A special case for serif edges: If they are smaller than */ + /* 1.5 pixels we ignore them. */ + if ( seg->serif && + 2 * seg->height < 3 * segment_length_threshold ) + continue; + + /* look for an edge corresponding to the segment */ + for ( ee = 0; ee < axis->num_edges; ee++ ) + { + AF_Edge edge = axis->edges + ee; + FT_Pos dist; + + + dist = seg->pos - edge->fpos; + if ( dist < 0 ) + dist = -dist; + + if ( dist < edge_distance_threshold && edge->dir == seg->dir ) + { + found = edge; + break; + } + } + + if ( !found ) + { + AF_Edge edge; + + + /* insert a new edge in the list and */ + /* sort according to the position */ + error = af_axis_hints_new_edge( axis, seg->pos, + (AF_Direction)seg->dir, + top_to_bottom_hinting, + memory, &edge ); + if ( error ) + goto Exit; + + /* add the segment to the new edge's list */ + FT_ZERO( edge ); + + edge->first = seg; + edge->last = seg; + edge->dir = seg->dir; + edge->fpos = seg->pos; + edge->opos = FT_MulFix( seg->pos, scale ); + edge->pos = edge->opos; + seg->edge_next = seg; + } + else + { + /* if an edge was found, simply add the segment to the edge's */ + /* list */ + seg->edge_next = found->first; + found->last->edge_next = seg; + found->last = seg; + } + } + + /* we loop again over all segments to catch one-point segments */ + /* without a direction: if possible, link them to existing edges */ + for ( seg = segments; seg < segment_limit; seg++ ) + { + AF_Edge found = NULL; + FT_Int ee; + + + if ( seg->dir != AF_DIR_NONE ) + continue; + + /* look for an edge corresponding to the segment */ + for ( ee = 0; ee < axis->num_edges; ee++ ) + { + AF_Edge edge = axis->edges + ee; + FT_Pos dist; + + + dist = seg->pos - edge->fpos; + if ( dist < 0 ) + dist = -dist; + + if ( dist < edge_distance_threshold ) + { + found = edge; + break; + } + } + + /* one-point segments without a match are ignored */ + if ( found ) + { + seg->edge_next = found->first; + found->last->edge_next = seg; + found->last = seg; + } + } + + + /******************************************************************/ + /* */ + /* Good, we now compute each edge's properties according to the */ + /* segments found on its position. Basically, these are */ + /* */ + /* - the edge's main direction */ + /* - stem edge, serif edge or both (which defaults to stem then) */ + /* - rounded edge, straight or both (which defaults to straight) */ + /* - link for edge */ + /* */ + /******************************************************************/ + + /* first of all, set the `edge' field in each segment -- this is */ + /* required in order to compute edge links */ + + /* + * Note that removing this loop and setting the `edge' field of each + * segment directly in the code above slows down execution speed for + * some reasons on platforms like the Sun. + */ + { + AF_Edge edges = axis->edges; + AF_Edge edge_limit = edges + axis->num_edges; + AF_Edge edge; + + + for ( edge = edges; edge < edge_limit; edge++ ) + { + seg = edge->first; + if ( seg ) + do + { + seg->edge = edge; + seg = seg->edge_next; + + } while ( seg != edge->first ); + } + + /* now compute each edge properties */ + for ( edge = edges; edge < edge_limit; edge++ ) + { + FT_Int is_round = 0; /* does it contain round segments? */ + FT_Int is_straight = 0; /* does it contain straight segments? */ +#if 0 + FT_Pos ups = 0; /* number of upwards segments */ + FT_Pos downs = 0; /* number of downwards segments */ +#endif + + + seg = edge->first; + + do + { + FT_Bool is_serif; + + + /* check for roundness of segment */ + if ( seg->flags & AF_EDGE_ROUND ) + is_round++; + else + is_straight++; + +#if 0 + /* check for segment direction */ + if ( seg->dir == up_dir ) + ups += seg->max_coord - seg->min_coord; + else + downs += seg->max_coord - seg->min_coord; +#endif + + /* check for links -- if seg->serif is set, then seg->link must */ + /* be ignored */ + is_serif = (FT_Bool)( seg->serif && + seg->serif->edge && + seg->serif->edge != edge ); + + if ( ( seg->link && seg->link->edge ) || is_serif ) + { + AF_Edge edge2; + AF_Segment seg2; + + + edge2 = edge->link; + seg2 = seg->link; + + if ( is_serif ) + { + seg2 = seg->serif; + edge2 = edge->serif; + } + + if ( edge2 ) + { + FT_Pos edge_delta; + FT_Pos seg_delta; + + + edge_delta = edge->fpos - edge2->fpos; + if ( edge_delta < 0 ) + edge_delta = -edge_delta; + + seg_delta = seg->pos - seg2->pos; + if ( seg_delta < 0 ) + seg_delta = -seg_delta; + + if ( seg_delta < edge_delta ) + edge2 = seg2->edge; + } + else + edge2 = seg2->edge; + + if ( is_serif ) + { + edge->serif = edge2; + edge2->flags |= AF_EDGE_SERIF; + } + else + edge->link = edge2; + } + + seg = seg->edge_next; + + } while ( seg != edge->first ); + + /* set the round/straight flags */ + edge->flags = AF_EDGE_NORMAL; + + if ( is_round > 0 && is_round >= is_straight ) + edge->flags |= AF_EDGE_ROUND; + +#if 0 + /* set the edge's main direction */ + edge->dir = AF_DIR_NONE; + + if ( ups > downs ) + edge->dir = (FT_Char)up_dir; + + else if ( ups < downs ) + edge->dir = (FT_Char)-up_dir; + + else if ( ups == downs ) + edge->dir = 0; /* both up and down! */ +#endif + + /* get rid of serifs if link is set */ + /* XXX: This gets rid of many unpleasant artefacts! */ + /* Example: the `c' in cour.pfa at size 13 */ + + if ( edge->serif && edge->link ) + edge->serif = NULL; + } + } + + Exit: + return error; + } + + + /* Detect segments and edges for given dimension. */ + + FT_LOCAL_DEF( FT_Error ) + af_latin_hints_detect_features( AF_GlyphHints hints, + FT_UInt width_count, + AF_WidthRec* widths, + AF_Dimension dim ) + { + FT_Error error; + + + error = af_latin_hints_compute_segments( hints, dim ); + if ( !error ) + { + af_latin_hints_link_segments( hints, width_count, widths, dim ); + + error = af_latin_hints_compute_edges( hints, dim ); + } + + return error; + } + + + /* Compute all edges which lie within blue zones. */ + + static void + af_latin_hints_compute_blue_edges( AF_GlyphHints hints, + AF_LatinMetrics metrics ) + { + AF_AxisHints axis = &hints->axis[AF_DIMENSION_VERT]; + AF_Edge edge = axis->edges; + AF_Edge edge_limit = edge + axis->num_edges; + AF_LatinAxis latin = &metrics->axis[AF_DIMENSION_VERT]; + FT_Fixed scale = latin->scale; + + + /* compute which blue zones are active, i.e. have their scaled */ + /* size < 3/4 pixels */ + + /* for each horizontal edge search the blue zone which is closest */ + for ( ; edge < edge_limit; edge++ ) + { + FT_UInt bb; + AF_Width best_blue = NULL; + FT_Bool best_blue_is_neutral = 0; + FT_Pos best_dist; /* initial threshold */ + + + /* compute the initial threshold as a fraction of the EM size */ + /* (the value 40 is heuristic) */ + best_dist = FT_MulFix( metrics->units_per_em / 40, scale ); + + /* assure a minimum distance of 0.5px */ + if ( best_dist > 64 / 2 ) + best_dist = 64 / 2; + + for ( bb = 0; bb < latin->blue_count; bb++ ) + { + AF_LatinBlue blue = latin->blues + bb; + FT_Bool is_top_blue, is_neutral_blue, is_major_dir; + + + /* skip inactive blue zones (i.e., those that are too large) */ + if ( !( blue->flags & AF_LATIN_BLUE_ACTIVE ) ) + continue; + + /* if it is a top zone, check for right edges (against the major */ + /* direction); if it is a bottom zone, check for left edges (in */ + /* the major direction) -- this assumes the TrueType convention */ + /* for the orientation of contours */ + is_top_blue = + (FT_Byte)( ( blue->flags & ( AF_LATIN_BLUE_TOP | + AF_LATIN_BLUE_SUB_TOP ) ) != 0 ); + is_neutral_blue = + (FT_Byte)( ( blue->flags & AF_LATIN_BLUE_NEUTRAL ) != 0); + is_major_dir = + FT_BOOL( edge->dir == axis->major_dir ); + + /* neutral blue zones are handled for both directions */ + if ( is_top_blue ^ is_major_dir || is_neutral_blue ) + { + FT_Pos dist; + + + /* first of all, compare it to the reference position */ + dist = edge->fpos - blue->ref.org; + if ( dist < 0 ) + dist = -dist; + + dist = FT_MulFix( dist, scale ); + if ( dist < best_dist ) + { + best_dist = dist; + best_blue = &blue->ref; + best_blue_is_neutral = is_neutral_blue; + } + + /* now compare it to the overshoot position and check whether */ + /* the edge is rounded, and whether the edge is over the */ + /* reference position of a top zone, or under the reference */ + /* position of a bottom zone (provided we don't have a */ + /* neutral blue zone) */ + if ( edge->flags & AF_EDGE_ROUND && + dist != 0 && + !is_neutral_blue ) + { + FT_Bool is_under_ref = FT_BOOL( edge->fpos < blue->ref.org ); + + + if ( is_top_blue ^ is_under_ref ) + { + dist = edge->fpos - blue->shoot.org; + if ( dist < 0 ) + dist = -dist; + + dist = FT_MulFix( dist, scale ); + if ( dist < best_dist ) + { + best_dist = dist; + best_blue = &blue->shoot; + best_blue_is_neutral = is_neutral_blue; + } + } + } + } + } + + if ( best_blue ) + { + edge->blue_edge = best_blue; + if ( best_blue_is_neutral ) + edge->flags |= AF_EDGE_NEUTRAL; + } + } + } + + + /* Initalize hinting engine. */ + + static FT_Error + af_latin_hints_init( AF_GlyphHints hints, + AF_LatinMetrics metrics ) + { + FT_Render_Mode mode; + FT_UInt32 scaler_flags, other_flags; + FT_Face face = metrics->root.scaler.face; + + + af_glyph_hints_rescale( hints, (AF_StyleMetrics)metrics ); + + /* + * correct x_scale and y_scale if needed, since they may have + * been modified by `af_latin_metrics_scale_dim' above + */ + hints->x_scale = metrics->axis[AF_DIMENSION_HORZ].scale; + hints->x_delta = metrics->axis[AF_DIMENSION_HORZ].delta; + hints->y_scale = metrics->axis[AF_DIMENSION_VERT].scale; + hints->y_delta = metrics->axis[AF_DIMENSION_VERT].delta; + + /* compute flags depending on render mode, etc. */ + mode = metrics->root.scaler.render_mode; + +#if 0 /* #ifdef AF_CONFIG_OPTION_USE_WARPER */ + if ( mode == FT_RENDER_MODE_LCD || mode == FT_RENDER_MODE_LCD_V ) + metrics->root.scaler.render_mode = mode = FT_RENDER_MODE_NORMAL; +#endif + + scaler_flags = hints->scaler_flags; + other_flags = 0; + + /* + * We snap the width of vertical stems for the monochrome and + * horizontal LCD rendering targets only. + */ + if ( mode == FT_RENDER_MODE_MONO || mode == FT_RENDER_MODE_LCD ) + other_flags |= AF_LATIN_HINTS_HORZ_SNAP; + + /* + * We snap the width of horizontal stems for the monochrome and + * vertical LCD rendering targets only. + */ + if ( mode == FT_RENDER_MODE_MONO || mode == FT_RENDER_MODE_LCD_V ) + other_flags |= AF_LATIN_HINTS_VERT_SNAP; + + /* + * We adjust stems to full pixels unless in `light' or `lcd' mode. + */ + if ( mode != FT_RENDER_MODE_LIGHT && mode != FT_RENDER_MODE_LCD ) + other_flags |= AF_LATIN_HINTS_STEM_ADJUST; + + if ( mode == FT_RENDER_MODE_MONO ) + other_flags |= AF_LATIN_HINTS_MONO; + + /* + * In `light' or `lcd' mode we disable horizontal hinting completely. + * We also do it if the face is italic. + * + * However, if warping is enabled (which only works in `light' hinting + * mode), advance widths get adjusted, too. + */ + if ( mode == FT_RENDER_MODE_LIGHT || mode == FT_RENDER_MODE_LCD || + ( face->style_flags & FT_STYLE_FLAG_ITALIC ) != 0 ) + scaler_flags |= AF_SCALER_FLAG_NO_HORIZONTAL; + +#ifdef AF_CONFIG_OPTION_USE_WARPER + /* get (global) warper flag */ + if ( !metrics->root.globals->module->warping ) + scaler_flags |= AF_SCALER_FLAG_NO_WARPER; +#endif + + hints->scaler_flags = scaler_flags; + hints->other_flags = other_flags; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** L A T I N G L Y P H G R I D - F I T T I N G *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* Snap a given width in scaled coordinates to one of the */ + /* current standard widths. */ + + static FT_Pos + af_latin_snap_width( AF_Width widths, + FT_UInt count, + FT_Pos width ) + { + FT_UInt n; + FT_Pos best = 64 + 32 + 2; + FT_Pos reference = width; + FT_Pos scaled; + + + for ( n = 0; n < count; n++ ) + { + FT_Pos w; + FT_Pos dist; + + + w = widths[n].cur; + dist = width - w; + if ( dist < 0 ) + dist = -dist; + if ( dist < best ) + { + best = dist; + reference = w; + } + } + + scaled = FT_PIX_ROUND( reference ); + + if ( width >= reference ) + { + if ( width < scaled + 48 ) + width = reference; + } + else + { + if ( width > scaled - 48 ) + width = reference; + } + + return width; + } + + + /* Compute the snapped width of a given stem, ignoring very thin ones. */ + /* There is a lot of voodoo in this function; changing the hard-coded */ + /* parameters influence the whole hinting process. */ + + static FT_Pos + af_latin_compute_stem_width( AF_GlyphHints hints, + AF_Dimension dim, + FT_Pos width, + FT_Pos base_delta, + FT_UInt base_flags, + FT_UInt stem_flags ) + { + AF_LatinMetrics metrics = (AF_LatinMetrics)hints->metrics; + AF_LatinAxis axis = &metrics->axis[dim]; + FT_Pos dist = width; + FT_Int sign = 0; + FT_Int vertical = ( dim == AF_DIMENSION_VERT ); + + + if ( !AF_LATIN_HINTS_DO_STEM_ADJUST( hints ) || + axis->extra_light ) + return width; + + if ( dist < 0 ) + { + dist = -width; + sign = 1; + } + + if ( ( vertical && !AF_LATIN_HINTS_DO_VERT_SNAP( hints ) ) || + ( !vertical && !AF_LATIN_HINTS_DO_HORZ_SNAP( hints ) ) ) + { + /* smooth hinting process: very lightly quantize the stem width */ + + /* leave the widths of serifs alone */ + if ( ( stem_flags & AF_EDGE_SERIF ) && + vertical && + ( dist < 3 * 64 ) ) + goto Done_Width; + + else if ( base_flags & AF_EDGE_ROUND ) + { + if ( dist < 80 ) + dist = 64; + } + else if ( dist < 56 ) + dist = 56; + + if ( axis->width_count > 0 ) + { + FT_Pos delta; + + + /* compare to standard width */ + delta = dist - axis->widths[0].cur; + + if ( delta < 0 ) + delta = -delta; + + if ( delta < 40 ) + { + dist = axis->widths[0].cur; + if ( dist < 48 ) + dist = 48; + + goto Done_Width; + } + + if ( dist < 3 * 64 ) + { + delta = dist & 63; + dist &= -64; + + if ( delta < 10 ) + dist += delta; + + else if ( delta < 32 ) + dist += 10; + + else if ( delta < 54 ) + dist += 54; + + else + dist += delta; + } + else + { + /* A stem's end position depends on two values: the start */ + /* position and the stem length. The former gets usually */ + /* rounded to the grid, while the latter gets rounded also if it */ + /* exceeds a certain length (see below in this function). This */ + /* `double rounding' can lead to a great difference to the */ + /* original, unhinted position; this normally doesn't matter for */ + /* large PPEM values, but for small sizes it can easily make */ + /* outlines collide. For this reason, we adjust the stem length */ + /* by a small amount depending on the PPEM value in case the */ + /* former and latter rounding both point into the same */ + /* direction. */ + + FT_Pos bdelta = 0; + + + if ( ( ( width > 0 ) && ( base_delta > 0 ) ) || + ( ( width < 0 ) && ( base_delta < 0 ) ) ) + { + FT_UInt ppem = metrics->root.scaler.face->size->metrics.x_ppem; + + + if ( ppem < 10 ) + bdelta = base_delta; + else if ( ppem < 30 ) + bdelta = ( base_delta * (FT_Pos)( 30 - ppem ) ) / 20; + + if ( bdelta < 0 ) + bdelta = -bdelta; + } + + dist = ( dist - bdelta + 32 ) & ~63; + } + } + } + else + { + /* strong hinting process: snap the stem width to integer pixels */ + + FT_Pos org_dist = dist; + + + dist = af_latin_snap_width( axis->widths, axis->width_count, dist ); + + if ( vertical ) + { + /* in the case of vertical hinting, always round */ + /* the stem heights to integer pixels */ + + if ( dist >= 64 ) + dist = ( dist + 16 ) & ~63; + else + dist = 64; + } + else + { + if ( AF_LATIN_HINTS_DO_MONO( hints ) ) + { + /* monochrome horizontal hinting: snap widths to integer pixels */ + /* with a different threshold */ + + if ( dist < 64 ) + dist = 64; + else + dist = ( dist + 32 ) & ~63; + } + else + { + /* for horizontal anti-aliased hinting, we adopt a more subtle */ + /* approach: we strengthen small stems, round stems whose size */ + /* is between 1 and 2 pixels to an integer, otherwise nothing */ + + if ( dist < 48 ) + dist = ( dist + 64 ) >> 1; + + else if ( dist < 128 ) + { + /* We only round to an integer width if the corresponding */ + /* distortion is less than 1/4 pixel. Otherwise this */ + /* makes everything worse since the diagonals, which are */ + /* not hinted, appear a lot bolder or thinner than the */ + /* vertical stems. */ + + FT_Pos delta; + + + dist = ( dist + 22 ) & ~63; + delta = dist - org_dist; + if ( delta < 0 ) + delta = -delta; + + if ( delta >= 16 ) + { + dist = org_dist; + if ( dist < 48 ) + dist = ( dist + 64 ) >> 1; + } + } + else + /* round otherwise to prevent color fringes in LCD mode */ + dist = ( dist + 32 ) & ~63; + } + } + } + + Done_Width: + if ( sign ) + dist = -dist; + + return dist; + } + + + /* Align one stem edge relative to the previous stem edge. */ + + static void + af_latin_align_linked_edge( AF_GlyphHints hints, + AF_Dimension dim, + AF_Edge base_edge, + AF_Edge stem_edge ) + { + FT_Pos dist, base_delta; + FT_Pos fitted_width; + + + dist = stem_edge->opos - base_edge->opos; + base_delta = base_edge->pos - base_edge->opos; + + fitted_width = af_latin_compute_stem_width( hints, dim, + dist, base_delta, + base_edge->flags, + stem_edge->flags ); + + + stem_edge->pos = base_edge->pos + fitted_width; + + FT_TRACE5(( " LINK: edge %d (opos=%.2f) linked to %.2f," + " dist was %.2f, now %.2f\n", + stem_edge - hints->axis[dim].edges, stem_edge->opos / 64.0, + stem_edge->pos / 64.0, dist / 64.0, fitted_width / 64.0 )); + } + + + /* Shift the coordinates of the `serif' edge by the same amount */ + /* as the corresponding `base' edge has been moved already. */ + + static void + af_latin_align_serif_edge( AF_GlyphHints hints, + AF_Edge base, + AF_Edge serif ) + { + FT_UNUSED( hints ); + + serif->pos = base->pos + ( serif->opos - base->opos ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** E D G E H I N T I N G ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /* The main grid-fitting routine. */ + + static void + af_latin_hint_edges( AF_GlyphHints hints, + AF_Dimension dim ) + { + AF_AxisHints axis = &hints->axis[dim]; + AF_Edge edges = axis->edges; + AF_Edge edge_limit = edges + axis->num_edges; + FT_PtrDist n_edges; + AF_Edge edge; + AF_Edge anchor = NULL; + FT_Int has_serifs = 0; + +#ifdef FT_CONFIG_OPTION_PIC + AF_FaceGlobals globals = hints->metrics->globals; +#endif + + AF_StyleClass style_class = hints->metrics->style_class; + AF_ScriptClass script_class = AF_SCRIPT_CLASSES_GET + [style_class->script]; + + FT_Bool top_to_bottom_hinting = 0; + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_UInt num_actions = 0; +#endif + + + FT_TRACE5(( "latin %s edge hinting (style `%s')\n", + dim == AF_DIMENSION_VERT ? "horizontal" : "vertical", + af_style_names[hints->metrics->style_class->style] )); + + if ( dim == AF_DIMENSION_VERT ) + top_to_bottom_hinting = script_class->top_to_bottom_hinting; + + /* we begin by aligning all stems relative to the blue zone */ + /* if needed -- that's only for horizontal edges */ + + if ( dim == AF_DIMENSION_VERT && AF_HINTS_DO_BLUES( hints ) ) + { + for ( edge = edges; edge < edge_limit; edge++ ) + { + AF_Width blue; + AF_Edge edge1, edge2; /* these edges form the stem to check */ + + + if ( edge->flags & AF_EDGE_DONE ) + continue; + + edge1 = NULL; + edge2 = edge->link; + + /* + * If a stem contains both a neutral and a non-neutral blue zone, + * skip the neutral one. Otherwise, outlines with different + * directions might be incorrectly aligned at the same vertical + * position. + * + * If we have two neutral blue zones, skip one of them. + * + */ + if ( edge->blue_edge && edge2 && edge2->blue_edge ) + { + FT_Byte neutral = edge->flags & AF_EDGE_NEUTRAL; + FT_Byte neutral2 = edge2->flags & AF_EDGE_NEUTRAL; + + + if ( neutral2 ) + { + edge2->blue_edge = NULL; + edge2->flags &= ~AF_EDGE_NEUTRAL; + } + else if ( neutral ) + { + edge->blue_edge = NULL; + edge->flags &= ~AF_EDGE_NEUTRAL; + } + } + + blue = edge->blue_edge; + if ( blue ) + edge1 = edge; + + /* flip edges if the other edge is aligned to a blue zone */ + else if ( edge2 && edge2->blue_edge ) + { + blue = edge2->blue_edge; + edge1 = edge2; + edge2 = edge; + } + + if ( !edge1 ) + continue; + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !anchor ) + FT_TRACE5(( " BLUE_ANCHOR: edge %d (opos=%.2f) snapped to %.2f," + " was %.2f (anchor=edge %d)\n", + edge1 - edges, edge1->opos / 64.0, blue->fit / 64.0, + edge1->pos / 64.0, edge - edges )); + else + FT_TRACE5(( " BLUE: edge %d (opos=%.2f) snapped to %.2f," + " was %.2f\n", + edge1 - edges, edge1->opos / 64.0, blue->fit / 64.0, + edge1->pos / 64.0 )); + + num_actions++; +#endif + + edge1->pos = blue->fit; + edge1->flags |= AF_EDGE_DONE; + + if ( edge2 && !edge2->blue_edge ) + { + af_latin_align_linked_edge( hints, dim, edge1, edge2 ); + edge2->flags |= AF_EDGE_DONE; + +#ifdef FT_DEBUG_LEVEL_TRACE + num_actions++; +#endif + } + + if ( !anchor ) + anchor = edge; + } + } + + /* now we align all other stem edges, trying to maintain the */ + /* relative order of stems in the glyph */ + for ( edge = edges; edge < edge_limit; edge++ ) + { + AF_Edge edge2; + + + if ( edge->flags & AF_EDGE_DONE ) + continue; + + /* skip all non-stem edges */ + edge2 = edge->link; + if ( !edge2 ) + { + has_serifs++; + continue; + } + + /* now align the stem */ + + /* this should not happen, but it's better to be safe */ + if ( edge2->blue_edge ) + { + FT_TRACE5(( " ASSERTION FAILED for edge %d\n", edge2 - edges )); + + af_latin_align_linked_edge( hints, dim, edge2, edge ); + edge->flags |= AF_EDGE_DONE; + +#ifdef FT_DEBUG_LEVEL_TRACE + num_actions++; +#endif + continue; + } + + if ( !anchor ) + { + /* if we reach this if clause, no stem has been aligned yet */ + + FT_Pos org_len, org_center, cur_len; + FT_Pos cur_pos1, error1, error2, u_off, d_off; + + + org_len = edge2->opos - edge->opos; + cur_len = af_latin_compute_stem_width( hints, dim, + org_len, 0, + edge->flags, + edge2->flags ); + + /* some voodoo to specially round edges for small stem widths; */ + /* the idea is to align the center of a stem, then shifting */ + /* the stem edges to suitable positions */ + if ( cur_len <= 64 ) + { + /* width <= 1px */ + u_off = 32; + d_off = 32; + } + else + { + /* 1px < width < 1.5px */ + u_off = 38; + d_off = 26; + } + + if ( cur_len < 96 ) + { + org_center = edge->opos + ( org_len >> 1 ); + cur_pos1 = FT_PIX_ROUND( org_center ); + + error1 = org_center - ( cur_pos1 - u_off ); + if ( error1 < 0 ) + error1 = -error1; + + error2 = org_center - ( cur_pos1 + d_off ); + if ( error2 < 0 ) + error2 = -error2; + + if ( error1 < error2 ) + cur_pos1 -= u_off; + else + cur_pos1 += d_off; + + edge->pos = cur_pos1 - cur_len / 2; + edge2->pos = edge->pos + cur_len; + } + else + edge->pos = FT_PIX_ROUND( edge->opos ); + + anchor = edge; + edge->flags |= AF_EDGE_DONE; + + FT_TRACE5(( " ANCHOR: edge %d (opos=%.2f) and %d (opos=%.2f)" + " snapped to %.2f and %.2f\n", + edge - edges, edge->opos / 64.0, + edge2 - edges, edge2->opos / 64.0, + edge->pos / 64.0, edge2->pos / 64.0 )); + + af_latin_align_linked_edge( hints, dim, edge, edge2 ); + +#ifdef FT_DEBUG_LEVEL_TRACE + num_actions += 2; +#endif + } + else + { + FT_Pos org_pos, org_len, org_center, cur_len; + FT_Pos cur_pos1, cur_pos2, delta1, delta2; + + + org_pos = anchor->pos + ( edge->opos - anchor->opos ); + org_len = edge2->opos - edge->opos; + org_center = org_pos + ( org_len >> 1 ); + + cur_len = af_latin_compute_stem_width( hints, dim, + org_len, 0, + edge->flags, + edge2->flags ); + + if ( edge2->flags & AF_EDGE_DONE ) + { + FT_TRACE5(( " ADJUST: edge %d (pos=%.2f) moved to %.2f\n", + edge - edges, edge->pos / 64.0, + ( edge2->pos - cur_len ) / 64.0 )); + + edge->pos = edge2->pos - cur_len; + } + + else if ( cur_len < 96 ) + { + FT_Pos u_off, d_off; + + + cur_pos1 = FT_PIX_ROUND( org_center ); + + if ( cur_len <= 64 ) + { + u_off = 32; + d_off = 32; + } + else + { + u_off = 38; + d_off = 26; + } + + delta1 = org_center - ( cur_pos1 - u_off ); + if ( delta1 < 0 ) + delta1 = -delta1; + + delta2 = org_center - ( cur_pos1 + d_off ); + if ( delta2 < 0 ) + delta2 = -delta2; + + if ( delta1 < delta2 ) + cur_pos1 -= u_off; + else + cur_pos1 += d_off; + + edge->pos = cur_pos1 - cur_len / 2; + edge2->pos = cur_pos1 + cur_len / 2; + + FT_TRACE5(( " STEM: edge %d (opos=%.2f) linked to %d (opos=%.2f)" + " snapped to %.2f and %.2f\n", + edge - edges, edge->opos / 64.0, + edge2 - edges, edge2->opos / 64.0, + edge->pos / 64.0, edge2->pos / 64.0 )); + } + + else + { + org_pos = anchor->pos + ( edge->opos - anchor->opos ); + org_len = edge2->opos - edge->opos; + org_center = org_pos + ( org_len >> 1 ); + + cur_len = af_latin_compute_stem_width( hints, dim, + org_len, 0, + edge->flags, + edge2->flags ); + + cur_pos1 = FT_PIX_ROUND( org_pos ); + delta1 = cur_pos1 + ( cur_len >> 1 ) - org_center; + if ( delta1 < 0 ) + delta1 = -delta1; + + cur_pos2 = FT_PIX_ROUND( org_pos + org_len ) - cur_len; + delta2 = cur_pos2 + ( cur_len >> 1 ) - org_center; + if ( delta2 < 0 ) + delta2 = -delta2; + + edge->pos = ( delta1 < delta2 ) ? cur_pos1 : cur_pos2; + edge2->pos = edge->pos + cur_len; + + FT_TRACE5(( " STEM: edge %d (opos=%.2f) linked to %d (opos=%.2f)" + " snapped to %.2f and %.2f\n", + edge - edges, edge->opos / 64.0, + edge2 - edges, edge2->opos / 64.0, + edge->pos / 64.0, edge2->pos / 64.0 )); + } + +#ifdef FT_DEBUG_LEVEL_TRACE + num_actions++; +#endif + + edge->flags |= AF_EDGE_DONE; + edge2->flags |= AF_EDGE_DONE; + + if ( edge > edges && + ( top_to_bottom_hinting ? ( edge->pos > edge[-1].pos ) + : ( edge->pos < edge[-1].pos ) ) ) + { + /* don't move if stem would (almost) disappear otherwise; */ + /* the ad-hoc value 16 corresponds to 1/4px */ + if ( edge->link && FT_ABS( edge->link->pos - edge[-1].pos ) > 16 ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE5(( " BOUND: edge %d (pos=%.2f) moved to %.2f\n", + edge - edges, + edge->pos / 64.0, + edge[-1].pos / 64.0 )); + + num_actions++; +#endif + + edge->pos = edge[-1].pos; + } + } + } + } + + /* make sure that lowercase m's maintain their symmetry */ + + /* In general, lowercase m's have six vertical edges if they are sans */ + /* serif, or twelve if they are with serifs. This implementation is */ + /* based on that assumption, and seems to work very well with most */ + /* faces. However, if for a certain face this assumption is not */ + /* true, the m is just rendered like before. In addition, any stem */ + /* correction will only be applied to symmetrical glyphs (even if the */ + /* glyph is not an m), so the potential for unwanted distortion is */ + /* relatively low. */ + + /* We don't handle horizontal edges since we can't easily assure that */ + /* the third (lowest) stem aligns with the base line; it might end up */ + /* one pixel higher or lower. */ + + n_edges = edge_limit - edges; + if ( dim == AF_DIMENSION_HORZ && ( n_edges == 6 || n_edges == 12 ) ) + { + AF_Edge edge1, edge2, edge3; + FT_Pos dist1, dist2, span, delta; + + + if ( n_edges == 6 ) + { + edge1 = edges; + edge2 = edges + 2; + edge3 = edges + 4; + } + else + { + edge1 = edges + 1; + edge2 = edges + 5; + edge3 = edges + 9; + } + + dist1 = edge2->opos - edge1->opos; + dist2 = edge3->opos - edge2->opos; + + span = dist1 - dist2; + if ( span < 0 ) + span = -span; + + if ( span < 8 ) + { + delta = edge3->pos - ( 2 * edge2->pos - edge1->pos ); + edge3->pos -= delta; + if ( edge3->link ) + edge3->link->pos -= delta; + + /* move the serifs along with the stem */ + if ( n_edges == 12 ) + { + ( edges + 8 )->pos -= delta; + ( edges + 11 )->pos -= delta; + } + + edge3->flags |= AF_EDGE_DONE; + if ( edge3->link ) + edge3->link->flags |= AF_EDGE_DONE; + } + } + + if ( has_serifs || !anchor ) + { + /* + * now hint the remaining edges (serifs and single) in order + * to complete our processing + */ + for ( edge = edges; edge < edge_limit; edge++ ) + { + FT_Pos delta; + + + if ( edge->flags & AF_EDGE_DONE ) + continue; + + delta = 1000; + + if ( edge->serif ) + { + delta = edge->serif->opos - edge->opos; + if ( delta < 0 ) + delta = -delta; + } + + if ( delta < 64 + 16 ) + { + af_latin_align_serif_edge( hints, edge->serif, edge ); + FT_TRACE5(( " SERIF: edge %d (opos=%.2f) serif to %d (opos=%.2f)" + " aligned to %.2f\n", + edge - edges, edge->opos / 64.0, + edge->serif - edges, edge->serif->opos / 64.0, + edge->pos / 64.0 )); + } + else if ( !anchor ) + { + edge->pos = FT_PIX_ROUND( edge->opos ); + anchor = edge; + FT_TRACE5(( " SERIF_ANCHOR: edge %d (opos=%.2f)" + " snapped to %.2f\n", + edge-edges, edge->opos / 64.0, edge->pos / 64.0 )); + } + else + { + AF_Edge before, after; + + + for ( before = edge - 1; before >= edges; before-- ) + if ( before->flags & AF_EDGE_DONE ) + break; + + for ( after = edge + 1; after < edge_limit; after++ ) + if ( after->flags & AF_EDGE_DONE ) + break; + + if ( before >= edges && before < edge && + after < edge_limit && after > edge ) + { + if ( after->opos == before->opos ) + edge->pos = before->pos; + else + edge->pos = before->pos + + FT_MulDiv( edge->opos - before->opos, + after->pos - before->pos, + after->opos - before->opos ); + + FT_TRACE5(( " SERIF_LINK1: edge %d (opos=%.2f) snapped to %.2f" + " from %d (opos=%.2f)\n", + edge - edges, edge->opos / 64.0, + edge->pos / 64.0, + before - edges, before->opos / 64.0 )); + } + else + { + edge->pos = anchor->pos + + ( ( edge->opos - anchor->opos + 16 ) & ~31 ); + FT_TRACE5(( " SERIF_LINK2: edge %d (opos=%.2f)" + " snapped to %.2f\n", + edge - edges, edge->opos / 64.0, edge->pos / 64.0 )); + } + } + +#ifdef FT_DEBUG_LEVEL_TRACE + num_actions++; +#endif + edge->flags |= AF_EDGE_DONE; + + if ( edge > edges && + ( top_to_bottom_hinting ? ( edge->pos > edge[-1].pos ) + : ( edge->pos < edge[-1].pos ) ) ) + { + /* don't move if stem would (almost) disappear otherwise; */ + /* the ad-hoc value 16 corresponds to 1/4px */ + if ( edge->link && FT_ABS( edge->link->pos - edge[-1].pos ) > 16 ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE5(( " BOUND: edge %d (pos=%.2f) moved to %.2f\n", + edge - edges, + edge->pos / 64.0, + edge[-1].pos / 64.0 )); + + num_actions++; +#endif + edge->pos = edge[-1].pos; + } + } + + if ( edge + 1 < edge_limit && + edge[1].flags & AF_EDGE_DONE && + ( top_to_bottom_hinting ? ( edge->pos < edge[1].pos ) + : ( edge->pos > edge[1].pos ) ) ) + { + /* don't move if stem would (almost) disappear otherwise; */ + /* the ad-hoc value 16 corresponds to 1/4px */ + if ( edge->link && FT_ABS( edge->link->pos - edge[-1].pos ) > 16 ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE5(( " BOUND: edge %d (pos=%.2f) moved to %.2f\n", + edge - edges, + edge->pos / 64.0, + edge[1].pos / 64.0 )); + + num_actions++; +#endif + + edge->pos = edge[1].pos; + } + } + } + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !num_actions ) + FT_TRACE5(( " (none)\n" )); + FT_TRACE5(( "\n" )); +#endif + } + + + /* Apply the complete hinting algorithm to a latin glyph. */ + + static FT_Error + af_latin_hints_apply( FT_UInt glyph_index, + AF_GlyphHints hints, + FT_Outline* outline, + AF_LatinMetrics metrics ) + { + FT_Error error; + int dim; + + AF_LatinAxis axis; + + + error = af_glyph_hints_reload( hints, outline ); + if ( error ) + goto Exit; + + /* analyze glyph outline */ + if ( AF_HINTS_DO_HORIZONTAL( hints ) ) + { + axis = &metrics->axis[AF_DIMENSION_HORZ]; + error = af_latin_hints_detect_features( hints, + axis->width_count, + axis->widths, + AF_DIMENSION_HORZ ); + if ( error ) + goto Exit; + } + + if ( AF_HINTS_DO_VERTICAL( hints ) ) + { + axis = &metrics->axis[AF_DIMENSION_VERT]; + error = af_latin_hints_detect_features( hints, + axis->width_count, + axis->widths, + AF_DIMENSION_VERT ); + if ( error ) + goto Exit; + + /* apply blue zones to base characters only */ + if ( !( metrics->root.globals->glyph_styles[glyph_index] & AF_NONBASE ) ) + af_latin_hints_compute_blue_edges( hints, metrics ); + } + + /* grid-fit the outline */ + for ( dim = 0; dim < AF_DIMENSION_MAX; dim++ ) + { +#ifdef AF_CONFIG_OPTION_USE_WARPER + if ( dim == AF_DIMENSION_HORZ && + metrics->root.scaler.render_mode == FT_RENDER_MODE_NORMAL && + AF_HINTS_DO_WARP( hints ) ) + { + AF_WarperRec warper; + FT_Fixed scale; + FT_Pos delta; + + + af_warper_compute( &warper, hints, (AF_Dimension)dim, + &scale, &delta ); + af_glyph_hints_scale_dim( hints, (AF_Dimension)dim, + scale, delta ); + continue; + } +#endif /* AF_CONFIG_OPTION_USE_WARPER */ + + if ( ( dim == AF_DIMENSION_HORZ && AF_HINTS_DO_HORIZONTAL( hints ) ) || + ( dim == AF_DIMENSION_VERT && AF_HINTS_DO_VERTICAL( hints ) ) ) + { + af_latin_hint_edges( hints, (AF_Dimension)dim ); + af_glyph_hints_align_edge_points( hints, (AF_Dimension)dim ); + af_glyph_hints_align_strong_points( hints, (AF_Dimension)dim ); + af_glyph_hints_align_weak_points( hints, (AF_Dimension)dim ); + } + } + + af_glyph_hints_save( hints, outline ); + + Exit: + return error; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** L A T I N S C R I P T C L A S S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + AF_DEFINE_WRITING_SYSTEM_CLASS( + af_latin_writing_system_class, + + AF_WRITING_SYSTEM_LATIN, + + sizeof ( AF_LatinMetricsRec ), + + (AF_WritingSystem_InitMetricsFunc) af_latin_metrics_init, /* style_metrics_init */ + (AF_WritingSystem_ScaleMetricsFunc)af_latin_metrics_scale, /* style_metrics_scale */ + (AF_WritingSystem_DoneMetricsFunc) NULL, /* style_metrics_done */ + (AF_WritingSystem_GetStdWidthsFunc)af_latin_get_standard_widths, /* style_metrics_getstdw */ + + (AF_WritingSystem_InitHintsFunc) af_latin_hints_init, /* style_hints_init */ + (AF_WritingSystem_ApplyHintsFunc) af_latin_hints_apply /* style_hints_apply */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aflatin.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aflatin.h new file mode 100644 index 00000000000..432cccce4e2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aflatin.h @@ -0,0 +1,194 @@ +/***************************************************************************/ +/* */ +/* aflatin.h */ +/* */ +/* Auto-fitter hinting routines for latin writing system */ +/* (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFLATIN_H_ +#define AFLATIN_H_ + +#include "afhints.h" + + +FT_BEGIN_HEADER + + /* the `latin' writing system */ + + AF_DECLARE_WRITING_SYSTEM_CLASS( af_latin_writing_system_class ) + + + /* constants are given with units_per_em == 2048 in mind */ +#define AF_LATIN_CONSTANT( metrics, c ) \ + ( ( (c) * (FT_Long)( (AF_LatinMetrics)(metrics) )->units_per_em ) / 2048 ) + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** L A T I N G L O B A L M E T R I C S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* + * The following declarations could be embedded in the file `aflatin.c'; + * they have been made semi-public to allow alternate writing system + * hinters to re-use some of them. + */ + + +#define AF_LATIN_IS_TOP_BLUE( b ) \ + ( (b)->properties & AF_BLUE_PROPERTY_LATIN_TOP ) +#define AF_LATIN_IS_SUB_TOP_BLUE( b ) \ + ( (b)->properties & AF_BLUE_PROPERTY_LATIN_SUB_TOP ) +#define AF_LATIN_IS_NEUTRAL_BLUE( b ) \ + ( (b)->properties & AF_BLUE_PROPERTY_LATIN_NEUTRAL ) +#define AF_LATIN_IS_X_HEIGHT_BLUE( b ) \ + ( (b)->properties & AF_BLUE_PROPERTY_LATIN_X_HEIGHT ) +#define AF_LATIN_IS_LONG_BLUE( b ) \ + ( (b)->properties & AF_BLUE_PROPERTY_LATIN_LONG ) + +#define AF_LATIN_MAX_WIDTHS 16 + + +#define AF_LATIN_BLUE_ACTIVE ( 1U << 0 ) /* zone height is <= 3/4px */ +#define AF_LATIN_BLUE_TOP ( 1U << 1 ) /* we have a top blue zone */ +#define AF_LATIN_BLUE_SUB_TOP ( 1U << 2 ) /* we have a subscript top */ + /* blue zone */ +#define AF_LATIN_BLUE_NEUTRAL ( 1U << 3 ) /* we have neutral blue zone */ +#define AF_LATIN_BLUE_ADJUSTMENT ( 1U << 4 ) /* used for scale adjustment */ + /* optimization */ + + + typedef struct AF_LatinBlueRec_ + { + AF_WidthRec ref; + AF_WidthRec shoot; + FT_Pos ascender; + FT_Pos descender; + FT_UInt flags; + + } AF_LatinBlueRec, *AF_LatinBlue; + + + typedef struct AF_LatinAxisRec_ + { + FT_Fixed scale; + FT_Pos delta; + + FT_UInt width_count; /* number of used widths */ + AF_WidthRec widths[AF_LATIN_MAX_WIDTHS]; /* widths array */ + FT_Pos edge_distance_threshold; /* used for creating edges */ + FT_Pos standard_width; /* the default stem thickness */ + FT_Bool extra_light; /* is standard width very light? */ + + /* ignored for horizontal metrics */ + FT_UInt blue_count; + AF_LatinBlueRec blues[AF_BLUE_STRINGSET_MAX]; + + FT_Fixed org_scale; + FT_Pos org_delta; + + } AF_LatinAxisRec, *AF_LatinAxis; + + + typedef struct AF_LatinMetricsRec_ + { + AF_StyleMetricsRec root; + FT_UInt units_per_em; + AF_LatinAxisRec axis[AF_DIMENSION_MAX]; + + } AF_LatinMetricsRec, *AF_LatinMetrics; + + + FT_LOCAL( FT_Error ) + af_latin_metrics_init( AF_LatinMetrics metrics, + FT_Face face ); + + FT_LOCAL( void ) + af_latin_metrics_scale( AF_LatinMetrics metrics, + AF_Scaler scaler ); + + FT_LOCAL( void ) + af_latin_metrics_init_widths( AF_LatinMetrics metrics, + FT_Face face ); + + FT_LOCAL( void ) + af_latin_metrics_check_digits( AF_LatinMetrics metrics, + FT_Face face ); + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** L A T I N G L Y P H A N A L Y S I S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#define AF_LATIN_HINTS_HORZ_SNAP ( 1U << 0 ) /* stem width snapping */ +#define AF_LATIN_HINTS_VERT_SNAP ( 1U << 1 ) /* stem height snapping */ +#define AF_LATIN_HINTS_STEM_ADJUST ( 1U << 2 ) /* stem width/height */ + /* adjustment */ +#define AF_LATIN_HINTS_MONO ( 1U << 3 ) /* monochrome rendering */ + + +#define AF_LATIN_HINTS_DO_HORZ_SNAP( h ) \ + AF_HINTS_TEST_OTHER( h, AF_LATIN_HINTS_HORZ_SNAP ) + +#define AF_LATIN_HINTS_DO_VERT_SNAP( h ) \ + AF_HINTS_TEST_OTHER( h, AF_LATIN_HINTS_VERT_SNAP ) + +#define AF_LATIN_HINTS_DO_STEM_ADJUST( h ) \ + AF_HINTS_TEST_OTHER( h, AF_LATIN_HINTS_STEM_ADJUST ) + +#define AF_LATIN_HINTS_DO_MONO( h ) \ + AF_HINTS_TEST_OTHER( h, AF_LATIN_HINTS_MONO ) + + + /* + * The next functions shouldn't normally be exported. However, other + * writing systems might like to use these functions as-is. + */ + FT_LOCAL( FT_Error ) + af_latin_hints_compute_segments( AF_GlyphHints hints, + AF_Dimension dim ); + + FT_LOCAL( void ) + af_latin_hints_link_segments( AF_GlyphHints hints, + FT_UInt width_count, + AF_WidthRec* widths, + AF_Dimension dim ); + + FT_LOCAL( FT_Error ) + af_latin_hints_compute_edges( AF_GlyphHints hints, + AF_Dimension dim ); + + FT_LOCAL( FT_Error ) + af_latin_hints_detect_features( AF_GlyphHints hints, + FT_UInt width_count, + AF_WidthRec* widths, + AF_Dimension dim ); + +/* */ + +FT_END_HEADER + +#endif /* AFLATIN_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afloader.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afloader.c new file mode 100644 index 00000000000..a55550b3385 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afloader.c @@ -0,0 +1,721 @@ +/***************************************************************************/ +/* */ +/* afloader.c */ +/* */ +/* Auto-fitter glyph loading routines (body). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "afglobal.h" +#include "afloader.h" +#include "afhints.h" +#include "aferrors.h" +#include "afmodule.h" +#include "afpic.h" + +#include FT_INTERNAL_CALC_H + + + /* Initialize glyph loader. */ + + FT_LOCAL_DEF( void ) + af_loader_init( AF_Loader loader, + AF_GlyphHints hints ) + { + FT_ZERO( loader ); + + loader->hints = hints; + } + + + /* Reset glyph loader and compute globals if necessary. */ + + FT_LOCAL_DEF( FT_Error ) + af_loader_reset( AF_Loader loader, + AF_Module module, + FT_Face face ) + { + FT_Error error = FT_Err_Ok; + + + loader->face = face; + loader->globals = (AF_FaceGlobals)face->autohint.data; + + if ( !loader->globals ) + { + error = af_face_globals_new( face, &loader->globals, module ); + if ( !error ) + { + face->autohint.data = + (FT_Pointer)loader->globals; + face->autohint.finalizer = + (FT_Generic_Finalizer)af_face_globals_free; + } + } + + return error; + } + + + /* Finalize glyph loader. */ + + FT_LOCAL_DEF( void ) + af_loader_done( AF_Loader loader ) + { + loader->face = NULL; + loader->globals = NULL; + loader->hints = NULL; + } + + +#define af_intToFixed( i ) \ + ( (FT_Fixed)( (FT_UInt32)(i) << 16 ) ) +#define af_fixedToInt( x ) \ + ( (FT_Short)( ( (FT_UInt32)(x) + 0x8000U ) >> 16 ) ) +#define af_floatToFixed( f ) \ + ( (FT_Fixed)( (f) * 65536.0 + 0.5 ) ) + + + static FT_Error + af_loader_embolden_glyph_in_slot( AF_Loader loader, + FT_Face face, + AF_StyleMetrics style_metrics ) + { + FT_Error error = FT_Err_Ok; + + FT_GlyphSlot slot = face->glyph; + AF_FaceGlobals globals = loader->globals; + AF_WritingSystemClass writing_system_class; + + FT_Size_Metrics* size_metrics = &face->size->internal->autohint_metrics; + + FT_Pos stdVW = 0; + FT_Pos stdHW = 0; + + FT_Bool size_changed = size_metrics->x_ppem != + globals->stem_darkening_for_ppem; + + FT_Fixed em_size = af_intToFixed( face->units_per_EM ); + FT_Fixed em_ratio = FT_DivFix( af_intToFixed( 1000 ), em_size ); + + FT_Matrix scale_down_matrix = { 0x10000L, 0, 0, 0x10000L }; + + + /* Skip stem darkening for broken fonts. */ + if ( !face->units_per_EM ) + { + error = FT_ERR( Corrupted_Font_Header ); + goto Exit; + } + + /* + * We depend on the writing system (script analyzers) to supply + * standard widths for the script of the glyph we are looking at. If + * it can't deliver, stem darkening is disabled. + */ + writing_system_class = + AF_WRITING_SYSTEM_CLASSES_GET[style_metrics->style_class->writing_system]; + + if ( writing_system_class->style_metrics_getstdw ) + writing_system_class->style_metrics_getstdw( style_metrics, + &stdHW, + &stdVW ); + else + { + error = FT_ERR( Unimplemented_Feature ); + goto Exit; + } + + if ( size_changed || + ( stdVW > 0 && stdVW != globals->standard_vertical_width ) ) + { + FT_Fixed darken_by_font_units_x, darken_x; + + + darken_by_font_units_x = + af_intToFixed( af_loader_compute_darkening( loader, + face, + stdVW ) ); + darken_x = FT_DivFix( FT_MulFix( darken_by_font_units_x, + size_metrics->x_scale ), + em_ratio ); + + globals->standard_vertical_width = stdVW; + globals->stem_darkening_for_ppem = size_metrics->x_ppem; + globals->darken_x = af_fixedToInt( darken_x ); + } + + if ( size_changed || + ( stdHW > 0 && stdHW != globals->standard_horizontal_width ) ) + { + FT_Fixed darken_by_font_units_y, darken_y; + + + darken_by_font_units_y = + af_intToFixed( af_loader_compute_darkening( loader, + face, + stdHW ) ); + darken_y = FT_DivFix( FT_MulFix( darken_by_font_units_y, + size_metrics->y_scale ), + em_ratio ); + + globals->standard_horizontal_width = stdHW; + globals->stem_darkening_for_ppem = size_metrics->x_ppem; + globals->darken_y = af_fixedToInt( darken_y ); + + /* + * Scale outlines down on the Y-axis to keep them inside their blue + * zones. The stronger the emboldening, the stronger the downscaling + * (plus heuristical padding to prevent outlines still falling out + * their zones due to rounding). + * + * Reason: `FT_Outline_Embolden' works by shifting the rightmost + * points of stems farther to the right, and topmost points farther + * up. This positions points on the Y-axis outside their + * pre-computed blue zones and leads to distortion when applying the + * hints in the code further below. Code outside this emboldening + * block doesn't know we are presenting it with modified outlines the + * analyzer didn't see! + * + * An unfortunate side effect of downscaling is that the emboldening + * effect is slightly decreased. The loss becomes more pronounced + * versus the CFF driver at smaller sizes, e.g., at 9ppem and below. + */ + globals->scale_down_factor = + FT_DivFix( em_size - ( darken_by_font_units_y + af_intToFixed( 8 ) ), + em_size ); + } + + FT_Outline_EmboldenXY( &slot->outline, + globals->darken_x, + globals->darken_y ); + + scale_down_matrix.yy = globals->scale_down_factor; + FT_Outline_Transform( &slot->outline, &scale_down_matrix ); + + Exit: + return error; + } + + + /* Load the glyph at index into the current slot of a face and hint it. */ + + FT_LOCAL_DEF( FT_Error ) + af_loader_load_glyph( AF_Loader loader, + AF_Module module, + FT_Face face, + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + FT_Error error; + + FT_Size size = face->size; + FT_Size_Internal size_internal = size->internal; + FT_GlyphSlot slot = face->glyph; + FT_Slot_Internal slot_internal = slot->internal; + FT_GlyphLoader gloader = slot_internal->loader; + + AF_GlyphHints hints = loader->hints; + AF_ScalerRec scaler; + AF_StyleMetrics style_metrics; + FT_UInt style_options = AF_STYLE_NONE_DFLT; + AF_StyleClass style_class; + AF_WritingSystemClass writing_system_class; + +#ifdef FT_CONFIG_OPTION_PIC + AF_FaceGlobals globals = loader->globals; +#endif + + + if ( !size ) + return FT_THROW( Invalid_Size_Handle ); + + FT_ZERO( &scaler ); + + if ( !size_internal->autohint_metrics.x_scale || + size_internal->autohint_mode != FT_LOAD_TARGET_MODE( load_flags ) ) + { + /* switching between hinting modes usually means different scaling */ + /* values; this later on enforces recomputation of everything */ + /* related to the current size */ + + size_internal->autohint_mode = FT_LOAD_TARGET_MODE( load_flags ); + size_internal->autohint_metrics = size->metrics; + +#ifdef AF_CONFIG_OPTION_TT_SIZE_METRICS + { + FT_Size_Metrics* size_metrics = &size_internal->autohint_metrics; + + + /* set metrics to integer values and adjust scaling accordingly; */ + /* this is the same setup as with TrueType fonts, cf. function */ + /* `tt_size_reset' in file `ttobjs.c' */ + size_metrics->ascender = FT_PIX_ROUND( + FT_MulFix( face->ascender, + size_metrics->y_scale ) ); + size_metrics->descender = FT_PIX_ROUND( + FT_MulFix( face->descender, + size_metrics->y_scale ) ); + size_metrics->height = FT_PIX_ROUND( + FT_MulFix( face->height, + size_metrics->y_scale ) ); + + size_metrics->x_scale = FT_DivFix( size_metrics->x_ppem << 6, + face->units_per_EM ); + size_metrics->y_scale = FT_DivFix( size_metrics->y_ppem << 6, + face->units_per_EM ); + size_metrics->max_advance = FT_PIX_ROUND( + FT_MulFix( face->max_advance_width, + size_metrics->x_scale ) ); + } +#endif /* AF_CONFIG_OPTION_TT_SIZE_METRICS */ + } + + /* + * TODO: This code currently doesn't support fractional advance widths, + * i.e., placing hinted glyphs at anything other than integer + * x-positions. This is only relevant for the warper code, which + * scales and shifts glyphs to optimize blackness of stems (hinting on + * the x-axis by nature places things on pixel integers, hinting on the + * y-axis only, i.e., LIGHT mode, doesn't touch the x-axis). The delta + * values of the scaler would need to be adjusted. + */ + scaler.face = face; + scaler.x_scale = size_internal->autohint_metrics.x_scale; + scaler.x_delta = 0; + scaler.y_scale = size_internal->autohint_metrics.y_scale; + scaler.y_delta = 0; + + scaler.render_mode = FT_LOAD_TARGET_MODE( load_flags ); + scaler.flags = 0; + + /* note that the fallback style can't be changed anymore */ + /* after the first call of `af_loader_load_glyph' */ + error = af_loader_reset( loader, module, face ); + if ( error ) + goto Exit; + +#ifdef FT_OPTION_AUTOFIT2 + /* XXX: undocumented hook to activate the latin2 writing system. */ + if ( load_flags & ( 1UL << 20 ) ) + style_options = AF_STYLE_LTN2_DFLT; +#endif + + /* + * Glyphs (really code points) are assigned to scripts. Script + * analysis is done lazily: For each glyph that passes through here, + * the corresponding script analyzer is called, but returns immediately + * if it has been run already. + */ + error = af_face_globals_get_metrics( loader->globals, glyph_index, + style_options, &style_metrics ); + if ( error ) + goto Exit; + + style_class = style_metrics->style_class; + writing_system_class = + AF_WRITING_SYSTEM_CLASSES_GET[style_class->writing_system]; + + loader->metrics = style_metrics; + + if ( writing_system_class->style_metrics_scale ) + writing_system_class->style_metrics_scale( style_metrics, &scaler ); + else + style_metrics->scaler = scaler; + + if ( writing_system_class->style_hints_init ) + { + error = writing_system_class->style_hints_init( hints, + style_metrics ); + if ( error ) + goto Exit; + } + + /* + * Do the main work of `af_loader_load_glyph'. Note that we never have + * to deal with composite glyphs as those get loaded into + * FT_GLYPH_FORMAT_OUTLINE by the recursed `FT_Load_Glyph' function. + * In the rare cases where FT_LOAD_NO_RECURSE is set, it implies + * FT_LOAD_NO_SCALE and as such the auto-hinter is never called. + */ + load_flags |= FT_LOAD_NO_SCALE | + FT_LOAD_IGNORE_TRANSFORM | + FT_LOAD_LINEAR_DESIGN; + load_flags &= ~FT_LOAD_RENDER; + + error = FT_Load_Glyph( face, glyph_index, load_flags ); + if ( error ) + goto Exit; + + /* + * Apply stem darkening (emboldening) here before hints are applied to + * the outline. Glyphs are scaled down proportionally to the + * emboldening so that curve points don't fall outside their + * precomputed blue zones. + * + * Any emboldening done by the font driver (e.g., the CFF driver) + * doesn't reach here because the autohinter loads the unprocessed + * glyphs in font units for analysis (functions `af_*_metrics_init_*') + * and then above to prepare it for the rasterizers by itself, + * independently of the font driver. So emboldening must be done here, + * within the autohinter. + * + * All glyphs to be autohinted pass through here one by one. The + * standard widths can therefore change from one glyph to the next, + * depending on what script a glyph is assigned to (each script has its + * own set of standard widths and other metrics). The darkening amount + * must therefore be recomputed for each size and + * `standard_{vertical,horizontal}_width' change. + * + * Ignore errors and carry on without emboldening. + * + */ + + /* stem darkening only works well in `light' mode */ + if ( scaler.render_mode == FT_RENDER_MODE_LIGHT && + ( !face->internal->no_stem_darkening || + ( face->internal->no_stem_darkening < 0 && + !module->no_stem_darkening ) ) ) + af_loader_embolden_glyph_in_slot( loader, face, style_metrics ); + + loader->transformed = slot_internal->glyph_transformed; + if ( loader->transformed ) + { + FT_Matrix inverse; + + + loader->trans_matrix = slot_internal->glyph_matrix; + loader->trans_delta = slot_internal->glyph_delta; + + inverse = loader->trans_matrix; + if ( !FT_Matrix_Invert( &inverse ) ) + FT_Vector_Transform( &loader->trans_delta, &inverse ); + } + + switch ( slot->format ) + { + case FT_GLYPH_FORMAT_OUTLINE: + /* translate the loaded glyph when an internal transform is needed */ + if ( loader->transformed ) + FT_Outline_Translate( &slot->outline, + loader->trans_delta.x, + loader->trans_delta.y ); + + /* compute original horizontal phantom points */ + /* (and ignore vertical ones) */ + loader->pp1.x = hints->x_delta; + loader->pp1.y = hints->y_delta; + loader->pp2.x = FT_MulFix( slot->metrics.horiAdvance, + hints->x_scale ) + hints->x_delta; + loader->pp2.y = hints->y_delta; + + /* be sure to check for spacing glyphs */ + if ( slot->outline.n_points == 0 ) + goto Hint_Metrics; + + /* now load the slot image into the auto-outline */ + /* and run the automatic hinting process */ + if ( writing_system_class->style_hints_apply ) + writing_system_class->style_hints_apply( glyph_index, + hints, + &gloader->base.outline, + style_metrics ); + + /* we now need to adjust the metrics according to the change in */ + /* width/positioning that occurred during the hinting process */ + if ( scaler.render_mode != FT_RENDER_MODE_LIGHT ) + { + FT_Pos old_rsb, old_lsb, new_lsb; + FT_Pos pp1x_uh, pp2x_uh; + + AF_AxisHints axis = &hints->axis[AF_DIMENSION_HORZ]; + AF_Edge edge1 = axis->edges; /* leftmost edge */ + AF_Edge edge2 = edge1 + + axis->num_edges - 1; /* rightmost edge */ + + + if ( axis->num_edges > 1 && AF_HINTS_DO_ADVANCE( hints ) ) + { + old_rsb = loader->pp2.x - edge2->opos; + /* loader->pp1.x is always zero at this point of time */ + old_lsb = edge1->opos /* - loader->pp1.x */; + new_lsb = edge1->pos; + + /* remember unhinted values to later account */ + /* for rounding errors */ + pp1x_uh = new_lsb - old_lsb; + pp2x_uh = edge2->pos + old_rsb; + + /* prefer too much space over too little space */ + /* for very small sizes */ + + if ( old_lsb < 24 ) + pp1x_uh -= 8; + + if ( old_rsb < 24 ) + pp2x_uh += 8; + + loader->pp1.x = FT_PIX_ROUND( pp1x_uh ); + loader->pp2.x = FT_PIX_ROUND( pp2x_uh ); + + if ( loader->pp1.x >= new_lsb && old_lsb > 0 ) + loader->pp1.x -= 64; + + if ( loader->pp2.x <= edge2->pos && old_rsb > 0 ) + loader->pp2.x += 64; + + slot->lsb_delta = loader->pp1.x - pp1x_uh; + slot->rsb_delta = loader->pp2.x - pp2x_uh; + } + else + { + FT_Pos pp1x = loader->pp1.x; + FT_Pos pp2x = loader->pp2.x; + + + loader->pp1.x = FT_PIX_ROUND( pp1x + hints->xmin_delta ); + loader->pp2.x = FT_PIX_ROUND( pp2x + hints->xmax_delta ); + + slot->lsb_delta = loader->pp1.x - pp1x; + slot->rsb_delta = loader->pp2.x - pp2x; + } + } + /* `light' mode uses integer advance widths */ + /* but sets `lsb_delta' and `rsb_delta' */ + else + { + FT_Pos pp1x = loader->pp1.x; + FT_Pos pp2x = loader->pp2.x; + + + loader->pp1.x = FT_PIX_ROUND( pp1x ); + loader->pp2.x = FT_PIX_ROUND( pp2x ); + + slot->lsb_delta = loader->pp1.x - pp1x; + slot->rsb_delta = loader->pp2.x - pp2x; + } + + break; + + default: + /* we don't support other formats (yet?) */ + error = FT_THROW( Unimplemented_Feature ); + } + + Hint_Metrics: + { + FT_BBox bbox; + FT_Vector vvector; + + + vvector.x = slot->metrics.vertBearingX - slot->metrics.horiBearingX; + vvector.y = slot->metrics.vertBearingY - slot->metrics.horiBearingY; + vvector.x = FT_MulFix( vvector.x, style_metrics->scaler.x_scale ); + vvector.y = FT_MulFix( vvector.y, style_metrics->scaler.y_scale ); + + /* transform the hinted outline if needed */ + if ( loader->transformed ) + { + FT_Outline_Transform( &gloader->base.outline, &loader->trans_matrix ); + FT_Vector_Transform( &vvector, &loader->trans_matrix ); + } + + /* we must translate our final outline by -pp1.x and compute */ + /* the new metrics */ + if ( loader->pp1.x ) + FT_Outline_Translate( &gloader->base.outline, -loader->pp1.x, 0 ); + + FT_Outline_Get_CBox( &gloader->base.outline, &bbox ); + + bbox.xMin = FT_PIX_FLOOR( bbox.xMin ); + bbox.yMin = FT_PIX_FLOOR( bbox.yMin ); + bbox.xMax = FT_PIX_CEIL( bbox.xMax ); + bbox.yMax = FT_PIX_CEIL( bbox.yMax ); + + slot->metrics.width = bbox.xMax - bbox.xMin; + slot->metrics.height = bbox.yMax - bbox.yMin; + slot->metrics.horiBearingX = bbox.xMin; + slot->metrics.horiBearingY = bbox.yMax; + + slot->metrics.vertBearingX = FT_PIX_FLOOR( bbox.xMin + vvector.x ); + slot->metrics.vertBearingY = FT_PIX_FLOOR( bbox.yMax + vvector.y ); + + /* for mono-width fonts (like Andale, Courier, etc.) we need */ + /* to keep the original rounded advance width; ditto for */ + /* digits if all have the same advance width */ + if ( scaler.render_mode != FT_RENDER_MODE_LIGHT && + ( FT_IS_FIXED_WIDTH( slot->face ) || + ( af_face_globals_is_digit( loader->globals, glyph_index ) && + style_metrics->digits_have_same_width ) ) ) + { + slot->metrics.horiAdvance = + FT_MulFix( slot->metrics.horiAdvance, + style_metrics->scaler.x_scale ); + + /* Set delta values to 0. Otherwise code that uses them is */ + /* going to ruin the fixed advance width. */ + slot->lsb_delta = 0; + slot->rsb_delta = 0; + } + else + { + /* non-spacing glyphs must stay as-is */ + if ( slot->metrics.horiAdvance ) + slot->metrics.horiAdvance = loader->pp2.x - loader->pp1.x; + } + + slot->metrics.vertAdvance = FT_MulFix( slot->metrics.vertAdvance, + style_metrics->scaler.y_scale ); + + slot->metrics.horiAdvance = FT_PIX_ROUND( slot->metrics.horiAdvance ); + slot->metrics.vertAdvance = FT_PIX_ROUND( slot->metrics.vertAdvance ); + + slot->format = FT_GLYPH_FORMAT_OUTLINE; + } + + Exit: + return error; + } + + + /* + * Compute amount of font units the face should be emboldened by, in + * analogy to the CFF driver's `cf2_computeDarkening' function. See there + * for details of the algorithm. + * + * XXX: Currently a crude adaption of the original algorithm. Do better? + */ + FT_LOCAL_DEF( FT_Int32 ) + af_loader_compute_darkening( AF_Loader loader, + FT_Face face, + FT_Pos standard_width ) + { + AF_Module module = loader->globals->module; + + FT_UShort units_per_EM; + FT_Fixed ppem, em_ratio; + FT_Fixed stem_width, stem_width_per_1000, scaled_stem, darken_amount; + FT_Int log_base_2; + FT_Int x1, y1, x2, y2, x3, y3, x4, y4; + + + ppem = FT_MAX( af_intToFixed( 4 ), + af_intToFixed( face->size->metrics.x_ppem ) ); + units_per_EM = face->units_per_EM; + + em_ratio = FT_DivFix( af_intToFixed( 1000 ), + af_intToFixed ( units_per_EM ) ); + if ( em_ratio < af_floatToFixed( .01 ) ) + { + /* If something goes wrong, don't embolden. */ + return 0; + } + + x1 = module->darken_params[0]; + y1 = module->darken_params[1]; + x2 = module->darken_params[2]; + y2 = module->darken_params[3]; + x3 = module->darken_params[4]; + y3 = module->darken_params[5]; + x4 = module->darken_params[6]; + y4 = module->darken_params[7]; + + if ( standard_width <= 0 ) + { + stem_width = af_intToFixed( 75 ); /* taken from cf2font.c */ + stem_width_per_1000 = stem_width; + } + else + { + stem_width = af_intToFixed( standard_width ); + stem_width_per_1000 = FT_MulFix( stem_width, em_ratio ); + } + + log_base_2 = FT_MSB( (FT_UInt32)stem_width_per_1000 ) + + FT_MSB( (FT_UInt32)ppem ); + + if ( log_base_2 >= 46 ) + { + /* possible overflow */ + scaled_stem = af_intToFixed( x4 ); + } + else + scaled_stem = FT_MulFix( stem_width_per_1000, ppem ); + + /* now apply the darkening parameters */ + if ( scaled_stem < af_intToFixed( x1 ) ) + darken_amount = FT_DivFix( af_intToFixed( y1 ), ppem ); + + else if ( scaled_stem < af_intToFixed( x2 ) ) + { + FT_Int xdelta = x2 - x1; + FT_Int ydelta = y2 - y1; + FT_Int x = stem_width_per_1000 - + FT_DivFix( af_intToFixed( x1 ), ppem ); + + + if ( !xdelta ) + goto Try_x3; + + darken_amount = FT_MulDiv( x, ydelta, xdelta ) + + FT_DivFix( af_intToFixed( y1 ), ppem ); + } + + else if ( scaled_stem < af_intToFixed( x3 ) ) + { + Try_x3: + { + FT_Int xdelta = x3 - x2; + FT_Int ydelta = y3 - y2; + FT_Int x = stem_width_per_1000 - + FT_DivFix( af_intToFixed( x2 ), ppem ); + + + if ( !xdelta ) + goto Try_x4; + + darken_amount = FT_MulDiv( x, ydelta, xdelta ) + + FT_DivFix( af_intToFixed( y2 ), ppem ); + } + } + + else if ( scaled_stem < af_intToFixed( x4 ) ) + { + Try_x4: + { + FT_Int xdelta = x4 - x3; + FT_Int ydelta = y4 - y3; + FT_Int x = stem_width_per_1000 - + FT_DivFix( af_intToFixed( x3 ), ppem ); + + + if ( !xdelta ) + goto Use_y4; + + darken_amount = FT_MulDiv( x, ydelta, xdelta ) + + FT_DivFix( af_intToFixed( y3 ), ppem ); + } + } + + else + { + Use_y4: + darken_amount = FT_DivFix( af_intToFixed( y4 ), ppem ); + } + + /* Convert darken_amount from per 1000 em to true character space. */ + return af_fixedToInt( FT_DivFix( darken_amount, em_ratio ) ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afloader.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afloader.h new file mode 100644 index 00000000000..d4d72d15830 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afloader.h @@ -0,0 +1,91 @@ +/***************************************************************************/ +/* */ +/* afloader.h */ +/* */ +/* Auto-fitter glyph loading routines (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFLOADER_H_ +#define AFLOADER_H_ + +#include "afhints.h" +#include "afmodule.h" +#include "afglobal.h" + + +FT_BEGIN_HEADER + + /* + * The autofitter module's (global) data structure to communicate with + * actual fonts. If necessary, `local' data like the current face, the + * current face's auto-hint data, or the current glyph's parameters + * relevant to auto-hinting are `swapped in'. Cf. functions like + * `af_loader_reset' and `af_loader_load_g'. + */ + + typedef struct AF_LoaderRec_ + { + /* current face data */ + FT_Face face; + AF_FaceGlobals globals; + + /* current glyph data */ + AF_GlyphHints hints; + AF_StyleMetrics metrics; + FT_Bool transformed; + FT_Matrix trans_matrix; + FT_Vector trans_delta; + FT_Vector pp1; + FT_Vector pp2; + /* we don't handle vertical phantom points */ + + } AF_LoaderRec, *AF_Loader; + + + FT_LOCAL( void ) + af_loader_init( AF_Loader loader, + AF_GlyphHints hints ); + + + FT_LOCAL( FT_Error ) + af_loader_reset( AF_Loader loader, + AF_Module module, + FT_Face face ); + + + FT_LOCAL( void ) + af_loader_done( AF_Loader loader ); + + + FT_LOCAL( FT_Error ) + af_loader_load_glyph( AF_Loader loader, + AF_Module module, + FT_Face face, + FT_UInt gindex, + FT_Int32 load_flags ); + + FT_LOCAL_DEF( FT_Int32 ) + af_loader_compute_darkening( AF_Loader loader, + FT_Face face, + FT_Pos standard_width ); + +/* */ + + +FT_END_HEADER + +#endif /* AFLOADER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afmodule.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afmodule.c new file mode 100644 index 00000000000..dcaa17a27e9 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afmodule.c @@ -0,0 +1,600 @@ +/***************************************************************************/ +/* */ +/* afmodule.c */ +/* */ +/* Auto-fitter module implementation (body). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "afglobal.h" +#include "afmodule.h" +#include "afloader.h" +#include "aferrors.h" +#include "afpic.h" + +#ifdef FT_DEBUG_AUTOFIT + +#ifndef FT_MAKE_OPTION_SINGLE_OBJECT + +#ifdef __cplusplus + extern "C" { +#endif + extern void + af_glyph_hints_dump_segments( AF_GlyphHints hints, + FT_Bool to_stdout ); + extern void + af_glyph_hints_dump_points( AF_GlyphHints hints, + FT_Bool to_stdout ); + extern void + af_glyph_hints_dump_edges( AF_GlyphHints hints, + FT_Bool to_stdout ); +#ifdef __cplusplus + } +#endif + +#endif + + int _af_debug_disable_horz_hints; + int _af_debug_disable_vert_hints; + int _af_debug_disable_blue_hints; + + /* we use a global object instead of a local one for debugging */ + AF_GlyphHintsRec _af_debug_hints_rec[1]; + + void* _af_debug_hints = _af_debug_hints_rec; +#endif + +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H +#include FT_DRIVER_H +#include FT_SERVICE_PROPERTIES_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_afmodule + + + static FT_Error + af_property_get_face_globals( FT_Face face, + AF_FaceGlobals* aglobals, + AF_Module module ) + { + FT_Error error = FT_Err_Ok; + AF_FaceGlobals globals; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + globals = (AF_FaceGlobals)face->autohint.data; + if ( !globals ) + { + /* trigger computation of the global style data */ + /* in case it hasn't been done yet */ + error = af_face_globals_new( face, &globals, module ); + if ( !error ) + { + face->autohint.data = + (FT_Pointer)globals; + face->autohint.finalizer = + (FT_Generic_Finalizer)af_face_globals_free; + } + } + + if ( !error ) + *aglobals = globals; + + return error; + } + + +#ifdef FT_CONFIG_OPTION_PIC + +#undef AF_SCRIPT_CLASSES_GET +#define AF_SCRIPT_CLASSES_GET \ + ( GET_PIC( ft_module->library )->af_script_classes ) + +#undef AF_STYLE_CLASSES_GET +#define AF_STYLE_CLASSES_GET \ + ( GET_PIC( ft_module->library )->af_style_classes ) + +#endif + + + static FT_Error + af_property_set( FT_Module ft_module, + const char* property_name, + const void* value, + FT_Bool value_is_string ) + { + FT_Error error = FT_Err_Ok; + AF_Module module = (AF_Module)ft_module; + +#ifndef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + FT_UNUSED( value_is_string ); +#endif + + + if ( !ft_strcmp( property_name, "fallback-script" ) ) + { + FT_UInt* fallback_script; + FT_UInt ss; + + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + if ( value_is_string ) + return FT_THROW( Invalid_Argument ); +#endif + + fallback_script = (FT_UInt*)value; + + /* We translate the fallback script to a fallback style that uses */ + /* `fallback-script' as its script and `AF_COVERAGE_NONE' as its */ + /* coverage value. */ + for ( ss = 0; AF_STYLE_CLASSES_GET[ss]; ss++ ) + { + AF_StyleClass style_class = AF_STYLE_CLASSES_GET[ss]; + + + if ( (FT_UInt)style_class->script == *fallback_script && + style_class->coverage == AF_COVERAGE_DEFAULT ) + { + module->fallback_style = ss; + break; + } + } + + if ( !AF_STYLE_CLASSES_GET[ss] ) + { + FT_TRACE0(( "af_property_set: Invalid value %d for property `%s'\n", + fallback_script, property_name )); + return FT_THROW( Invalid_Argument ); + } + + return error; + } + else if ( !ft_strcmp( property_name, "default-script" ) ) + { + FT_UInt* default_script; + + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + if ( value_is_string ) + return FT_THROW( Invalid_Argument ); +#endif + + default_script = (FT_UInt*)value; + + module->default_script = *default_script; + + return error; + } + else if ( !ft_strcmp( property_name, "increase-x-height" ) ) + { + FT_Prop_IncreaseXHeight* prop; + AF_FaceGlobals globals; + + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + if ( value_is_string ) + return FT_THROW( Invalid_Argument ); +#endif + + prop = (FT_Prop_IncreaseXHeight*)value; + + error = af_property_get_face_globals( prop->face, &globals, module ); + if ( !error ) + globals->increase_x_height = prop->limit; + + return error; + } +#ifdef AF_CONFIG_OPTION_USE_WARPER + else if ( !ft_strcmp( property_name, "warping" ) ) + { +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + if ( value_is_string ) + { + const char* s = (const char*)value; + long w = ft_strtol( s, NULL, 10 ); + + + if ( w == 0 ) + module->warping = 0; + else if ( w == 1 ) + module->warping = 1; + else + return FT_THROW( Invalid_Argument ); + } + else +#endif + { + FT_Bool* warping = (FT_Bool*)value; + + + module->warping = *warping; + } + + return error; + } +#endif /* AF_CONFIG_OPTION_USE_WARPER */ + else if ( !ft_strcmp( property_name, "darkening-parameters" ) ) + { + FT_Int* darken_params; + FT_Int x1, y1, x2, y2, x3, y3, x4, y4; + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + FT_Int dp[8]; + + + if ( value_is_string ) + { + const char* s = (const char*)value; + char* ep; + int i; + + + /* eight comma-separated numbers */ + for ( i = 0; i < 7; i++ ) + { + dp[i] = (FT_Int)ft_strtol( s, &ep, 10 ); + if ( *ep != ',' || s == ep ) + return FT_THROW( Invalid_Argument ); + + s = ep + 1; + } + + dp[7] = (FT_Int)ft_strtol( s, &ep, 10 ); + if ( !( *ep == '\0' || *ep == ' ' ) || s == ep ) + return FT_THROW( Invalid_Argument ); + + darken_params = dp; + } + else +#endif + darken_params = (FT_Int*)value; + + x1 = darken_params[0]; + y1 = darken_params[1]; + x2 = darken_params[2]; + y2 = darken_params[3]; + x3 = darken_params[4]; + y3 = darken_params[5]; + x4 = darken_params[6]; + y4 = darken_params[7]; + + if ( x1 < 0 || x2 < 0 || x3 < 0 || x4 < 0 || + y1 < 0 || y2 < 0 || y3 < 0 || y4 < 0 || + x1 > x2 || x2 > x3 || x3 > x4 || + y1 > 500 || y2 > 500 || y3 > 500 || y4 > 500 ) + return FT_THROW( Invalid_Argument ); + + module->darken_params[0] = x1; + module->darken_params[1] = y1; + module->darken_params[2] = x2; + module->darken_params[3] = y2; + module->darken_params[4] = x3; + module->darken_params[5] = y3; + module->darken_params[6] = x4; + module->darken_params[7] = y4; + + return error; + } + else if ( !ft_strcmp( property_name, "no-stem-darkening" ) ) + { +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + if ( value_is_string ) + { + const char* s = (const char*)value; + long nsd = ft_strtol( s, NULL, 10 ); + + + if ( !nsd ) + module->no_stem_darkening = FALSE; + else + module->no_stem_darkening = TRUE; + } + else +#endif + { + FT_Bool* no_stem_darkening = (FT_Bool*)value; + + + module->no_stem_darkening = *no_stem_darkening; + } + + return error; + } + + FT_TRACE0(( "af_property_set: missing property `%s'\n", + property_name )); + return FT_THROW( Missing_Property ); + } + + + static FT_Error + af_property_get( FT_Module ft_module, + const char* property_name, + void* value ) + { + FT_Error error = FT_Err_Ok; + AF_Module module = (AF_Module)ft_module; + FT_UInt fallback_style = module->fallback_style; + FT_UInt default_script = module->default_script; +#ifdef AF_CONFIG_OPTION_USE_WARPER + FT_Bool warping = module->warping; +#endif + + + if ( !ft_strcmp( property_name, "glyph-to-script-map" ) ) + { + FT_Prop_GlyphToScriptMap* prop = (FT_Prop_GlyphToScriptMap*)value; + AF_FaceGlobals globals; + + + error = af_property_get_face_globals( prop->face, &globals, module ); + if ( !error ) + prop->map = globals->glyph_styles; + + return error; + } + else if ( !ft_strcmp( property_name, "fallback-script" ) ) + { + FT_UInt* val = (FT_UInt*)value; + + AF_StyleClass style_class = AF_STYLE_CLASSES_GET[fallback_style]; + + + *val = style_class->script; + + return error; + } + else if ( !ft_strcmp( property_name, "default-script" ) ) + { + FT_UInt* val = (FT_UInt*)value; + + + *val = default_script; + + return error; + } + else if ( !ft_strcmp( property_name, "increase-x-height" ) ) + { + FT_Prop_IncreaseXHeight* prop = (FT_Prop_IncreaseXHeight*)value; + AF_FaceGlobals globals; + + + error = af_property_get_face_globals( prop->face, &globals, module ); + if ( !error ) + prop->limit = globals->increase_x_height; + + return error; + } +#ifdef AF_CONFIG_OPTION_USE_WARPER + else if ( !ft_strcmp( property_name, "warping" ) ) + { + FT_Bool* val = (FT_Bool*)value; + + + *val = warping; + + return error; + } +#endif /* AF_CONFIG_OPTION_USE_WARPER */ + else if ( !ft_strcmp( property_name, "darkening-parameters" ) ) + { + FT_Int* darken_params = module->darken_params; + FT_Int* val = (FT_Int*)value; + + + val[0] = darken_params[0]; + val[1] = darken_params[1]; + val[2] = darken_params[2]; + val[3] = darken_params[3]; + val[4] = darken_params[4]; + val[5] = darken_params[5]; + val[6] = darken_params[6]; + val[7] = darken_params[7]; + + return error; + } + else if ( !ft_strcmp( property_name, "no-stem-darkening" ) ) + { + FT_Bool no_stem_darkening = module->no_stem_darkening; + FT_Bool* val = (FT_Bool*)value; + + + *val = no_stem_darkening; + + return error; + } + + FT_TRACE0(( "af_property_get: missing property `%s'\n", + property_name )); + return FT_THROW( Missing_Property ); + } + + + FT_DEFINE_SERVICE_PROPERTIESREC( + af_service_properties, + + (FT_Properties_SetFunc)af_property_set, /* set_property */ + (FT_Properties_GetFunc)af_property_get ) /* get_property */ + + + FT_DEFINE_SERVICEDESCREC1( + af_services, + + FT_SERVICE_ID_PROPERTIES, &AF_SERVICE_PROPERTIES_GET ) + + + FT_CALLBACK_DEF( FT_Module_Interface ) + af_get_interface( FT_Module module, + const char* module_interface ) + { + /* AF_SERVICES_GET dereferences `library' in PIC mode */ +#ifdef FT_CONFIG_OPTION_PIC + FT_Library library; + + + if ( !module ) + return NULL; + library = module->library; + if ( !library ) + return NULL; +#else + FT_UNUSED( module ); +#endif + + return ft_service_list_lookup( AF_SERVICES_GET, module_interface ); + } + + + FT_CALLBACK_DEF( FT_Error ) + af_autofitter_init( FT_Module ft_module ) /* AF_Module */ + { + AF_Module module = (AF_Module)ft_module; + + + module->fallback_style = AF_STYLE_FALLBACK; + module->default_script = AF_SCRIPT_DEFAULT; +#ifdef AF_CONFIG_OPTION_USE_WARPER + module->warping = 0; +#endif + module->no_stem_darkening = TRUE; + + module->darken_params[0] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1; + module->darken_params[1] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1; + module->darken_params[2] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2; + module->darken_params[3] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2; + module->darken_params[4] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3; + module->darken_params[5] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3; + module->darken_params[6] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4; + module->darken_params[7] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4; + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( void ) + af_autofitter_done( FT_Module ft_module ) /* AF_Module */ + { + FT_UNUSED( ft_module ); + +#ifdef FT_DEBUG_AUTOFIT + if ( _af_debug_hints_rec->memory ) + af_glyph_hints_done( _af_debug_hints_rec ); +#endif + } + + + FT_CALLBACK_DEF( FT_Error ) + af_autofitter_load_glyph( AF_Module module, + FT_GlyphSlot slot, + FT_Size size, + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + FT_Error error = FT_Err_Ok; + FT_Memory memory = module->root.library->memory; + +#ifdef FT_DEBUG_AUTOFIT + + /* in debug mode, we use a global object that survives this routine */ + + AF_GlyphHints hints = _af_debug_hints_rec; + AF_LoaderRec loader[1]; + + FT_UNUSED( size ); + + + if ( hints->memory ) + af_glyph_hints_done( hints ); + + af_glyph_hints_init( hints, memory ); + af_loader_init( loader, hints ); + + error = af_loader_load_glyph( loader, module, slot->face, + glyph_index, load_flags ); + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( ft_trace_levels[FT_COMPONENT] ) + { +#endif + af_glyph_hints_dump_points( hints, 0 ); + af_glyph_hints_dump_segments( hints, 0 ); + af_glyph_hints_dump_edges( hints, 0 ); +#ifdef FT_DEBUG_LEVEL_TRACE + } +#endif + + af_loader_done( loader ); + + return error; + +#else /* !FT_DEBUG_AUTOFIT */ + + AF_GlyphHintsRec hints[1]; + AF_LoaderRec loader[1]; + + FT_UNUSED( size ); + + + af_glyph_hints_init( hints, memory ); + af_loader_init( loader, hints ); + + error = af_loader_load_glyph( loader, module, slot->face, + glyph_index, load_flags ); + + af_loader_done( loader ); + af_glyph_hints_done( hints ); + + return error; + +#endif /* !FT_DEBUG_AUTOFIT */ + } + + + FT_DEFINE_AUTOHINTER_INTERFACE( + af_autofitter_interface, + + NULL, /* reset_face */ + NULL, /* get_global_hints */ + NULL, /* done_global_hints */ + (FT_AutoHinter_GlyphLoadFunc)af_autofitter_load_glyph ) /* load_glyph */ + + + FT_DEFINE_MODULE( + autofit_module_class, + + FT_MODULE_HINTER, + sizeof ( AF_ModuleRec ), + + "autofitter", + 0x10000L, /* version 1.0 of the autofitter */ + 0x20000L, /* requires FreeType 2.0 or above */ + + (const void*)&AF_INTERFACE_GET, + + (FT_Module_Constructor)af_autofitter_init, /* module_init */ + (FT_Module_Destructor) af_autofitter_done, /* module_done */ + (FT_Module_Requester) af_get_interface /* get_interface */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afmodule.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afmodule.h new file mode 100644 index 00000000000..56f64eaf231 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afmodule.h @@ -0,0 +1,58 @@ +/***************************************************************************/ +/* */ +/* afmodule.h */ +/* */ +/* Auto-fitter module implementation (specification). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFMODULE_H_ +#define AFMODULE_H_ + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include FT_MODULE_H + + +FT_BEGIN_HEADER + + + /* + * This is the `extended' FT_Module structure that holds the + * autofitter's global data. + */ + + typedef struct AF_ModuleRec_ + { + FT_ModuleRec root; + + FT_UInt fallback_style; + FT_UInt default_script; +#ifdef AF_CONFIG_OPTION_USE_WARPER + FT_Bool warping; +#endif + FT_Bool no_stem_darkening; + FT_Int darken_params[8]; + + } AF_ModuleRec, *AF_Module; + + +FT_DECLARE_MODULE( autofit_module_class ) + + +FT_END_HEADER + +#endif /* AFMODULE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afpic.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afpic.c new file mode 100644 index 00000000000..d48d016a0e8 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afpic.c @@ -0,0 +1,152 @@ +/***************************************************************************/ +/* */ +/* afpic.c */ +/* */ +/* The FreeType position independent code services for autofit module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "afpic.h" +#include "afglobal.h" +#include "aferrors.h" + + +#ifdef FT_CONFIG_OPTION_PIC + + /* forward declaration of PIC init functions from afmodule.c */ + FT_Error + FT_Create_Class_af_services( FT_Library library, + FT_ServiceDescRec** output_class ); + + void + FT_Destroy_Class_af_services( FT_Library library, + FT_ServiceDescRec* clazz ); + + void + FT_Init_Class_af_service_properties( FT_Service_PropertiesRec* clazz ); + + void FT_Init_Class_af_autofitter_interface( + FT_Library library, + FT_AutoHinter_InterfaceRec* clazz ); + + + /* forward declaration of PIC init functions from writing system classes */ +#undef WRITING_SYSTEM +#define WRITING_SYSTEM( ws, WS ) /* empty */ + +#include "afwrtsys.h" + + + void + autofit_module_class_pic_free( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Memory memory = library->memory; + + + if ( pic_container->autofit ) + { + AFModulePIC* container = (AFModulePIC*)pic_container->autofit; + + + if ( container->af_services ) + FT_Destroy_Class_af_services( library, + container->af_services ); + container->af_services = NULL; + + FT_FREE( container ); + pic_container->autofit = NULL; + } + } + + + FT_Error + autofit_module_class_pic_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_UInt ss; + FT_Error error = FT_Err_Ok; + AFModulePIC* container = NULL; + FT_Memory memory = library->memory; + + + /* allocate pointer, clear and set global container pointer */ + if ( FT_ALLOC ( container, sizeof ( *container ) ) ) + return error; + FT_MEM_SET( container, 0, sizeof ( *container ) ); + pic_container->autofit = container; + + /* initialize pointer table - */ + /* this is how the module usually expects this data */ + error = FT_Create_Class_af_services( library, + &container->af_services ); + if ( error ) + goto Exit; + + FT_Init_Class_af_service_properties( &container->af_service_properties ); + + for ( ss = 0; ss < AF_WRITING_SYSTEM_MAX; ss++ ) + container->af_writing_system_classes[ss] = + &container->af_writing_system_classes_rec[ss]; + container->af_writing_system_classes[AF_WRITING_SYSTEM_MAX] = NULL; + + for ( ss = 0; ss < AF_SCRIPT_MAX; ss++ ) + container->af_script_classes[ss] = + &container->af_script_classes_rec[ss]; + container->af_script_classes[AF_SCRIPT_MAX] = NULL; + + for ( ss = 0; ss < AF_STYLE_MAX; ss++ ) + container->af_style_classes[ss] = + &container->af_style_classes_rec[ss]; + container->af_style_classes[AF_STYLE_MAX] = NULL; + +#undef WRITING_SYSTEM +#define WRITING_SYSTEM( ws, WS ) \ + FT_Init_Class_af_ ## ws ## _writing_system_class( \ + &container->af_writing_system_classes_rec[ss++] ); + + ss = 0; +#include "afwrtsys.h" + +#undef SCRIPT +#define SCRIPT( s, S, d, h, H, sss ) \ + FT_Init_Class_af_ ## s ## _script_class( \ + &container->af_script_classes_rec[ss++] ); + + ss = 0; +#include "afscript.h" + +#undef STYLE +#define STYLE( s, S, d, ws, sc, bss, c ) \ + FT_Init_Class_af_ ## s ## _style_class( \ + &container->af_style_classes_rec[ss++] ); + + ss = 0; +#include "afstyles.h" + + FT_Init_Class_af_autofitter_interface( + library, &container->af_autofitter_interface ); + + Exit: + if ( error ) + autofit_module_class_pic_free( library ); + return error; + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afpic.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afpic.h new file mode 100644 index 00000000000..0c734567859 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afpic.h @@ -0,0 +1,105 @@ +/***************************************************************************/ +/* */ +/* afpic.h */ +/* */ +/* The FreeType position independent code services for autofit module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFPIC_H_ +#define AFPIC_H_ + + +#include FT_INTERNAL_PIC_H + + +#ifndef FT_CONFIG_OPTION_PIC + +#define AF_SERVICES_GET af_services +#define AF_SERVICE_PROPERTIES_GET af_service_properties + +#define AF_WRITING_SYSTEM_CLASSES_GET af_writing_system_classes +#define AF_SCRIPT_CLASSES_GET af_script_classes +#define AF_STYLE_CLASSES_GET af_style_classes +#define AF_INTERFACE_GET af_autofitter_interface + +#else /* FT_CONFIG_OPTION_PIC */ + + /* some include files required for members of AFModulePIC */ +#include FT_SERVICE_PROPERTIES_H + +#include "aftypes.h" + + +FT_BEGIN_HEADER + + typedef struct AFModulePIC_ + { + FT_ServiceDescRec* af_services; + FT_Service_PropertiesRec af_service_properties; + + AF_WritingSystemClass af_writing_system_classes + [AF_WRITING_SYSTEM_MAX + 1]; + AF_WritingSystemClassRec af_writing_system_classes_rec + [AF_WRITING_SYSTEM_MAX]; + + AF_ScriptClass af_script_classes + [AF_SCRIPT_MAX + 1]; + AF_ScriptClassRec af_script_classes_rec + [AF_SCRIPT_MAX]; + + AF_StyleClass af_style_classes + [AF_STYLE_MAX + 1]; + AF_StyleClassRec af_style_classes_rec + [AF_STYLE_MAX]; + + FT_AutoHinter_InterfaceRec af_autofitter_interface; + + } AFModulePIC; + + +#define GET_PIC( lib ) \ + ( (AFModulePIC*)( (lib)->pic_container.autofit ) ) + +#define AF_SERVICES_GET \ + ( GET_PIC( library )->af_services ) +#define AF_SERVICE_PROPERTIES_GET \ + ( GET_PIC( library )->af_service_properties ) + +#define AF_WRITING_SYSTEM_CLASSES_GET \ + ( GET_PIC( FT_FACE_LIBRARY( globals->face ) )->af_writing_system_classes ) +#define AF_SCRIPT_CLASSES_GET \ + ( GET_PIC( FT_FACE_LIBRARY( globals->face ) )->af_script_classes ) +#define AF_STYLE_CLASSES_GET \ + ( GET_PIC( FT_FACE_LIBRARY( globals->face ) )->af_style_classes ) +#define AF_INTERFACE_GET \ + ( GET_PIC( library )->af_autofitter_interface ) + + + /* see afpic.c for the implementation */ + void + autofit_module_class_pic_free( FT_Library library ); + + FT_Error + autofit_module_class_pic_init( FT_Library library ); + +FT_END_HEADER + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +#endif /* AFPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afranges.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afranges.c new file mode 100644 index 00000000000..1355c5e7cc3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afranges.c @@ -0,0 +1,1026 @@ +/***************************************************************************/ +/* */ +/* afranges.c */ +/* */ +/* Auto-fitter Unicode script ranges (body). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "afranges.h" + + /* + * The algorithm for assigning properties and styles to the `glyph_styles' + * array is as follows (cf. the implementation in + * `af_face_globals_compute_style_coverage'). + * + * Walk over all scripts (as listed in `afscript.h'). + * + * For a given script, walk over all styles (as listed in `afstyles.h'). + * The order of styles is important and should be as follows. + * + * - First come styles based on OpenType features (small caps, for + * example). Since features rely on glyph indices, thus completely + * bypassing character codes, no properties are assigned. + * + * - Next comes the default style, using the character ranges as defined + * below. This also assigns properties. + * + * Note that there also exist fallback scripts, mainly covering + * superscript and subscript glyphs of a script that are not present as + * OpenType features. Fallback scripts are defined below, also + * assigning properties; they are applied after the corresponding + * script. + * + */ + + + /* XXX Check base character ranges again: */ + /* Right now, they are quickly derived by visual inspection. */ + /* I can imagine that fine-tuning is necessary. */ + + /* for the auto-hinter, a `non-base character' is something that should */ + /* not be affected by blue zones, regardless of whether this is a */ + /* spacing or no-spacing glyph */ + + /* the `af_xxxx_nonbase_uniranges' ranges must be strict subsets */ + /* of the corresponding `af_xxxx_uniranges' ranges */ + + + const AF_Script_UniRangeRec af_adlm_uniranges[] = + { + AF_UNIRANGE_REC( 0x1E900, 0x1E95F ), /* Adlam */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_adlm_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x1D944, 0x1E94A ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_arab_uniranges[] = + { + AF_UNIRANGE_REC( 0x0600, 0x06FF ), /* Arabic */ + AF_UNIRANGE_REC( 0x0750, 0x07FF ), /* Arabic Supplement */ + AF_UNIRANGE_REC( 0x08A0, 0x08FF ), /* Arabic Extended-A */ + AF_UNIRANGE_REC( 0xFB50, 0xFDFF ), /* Arabic Presentation Forms-A */ + AF_UNIRANGE_REC( 0xFE70, 0xFEFF ), /* Arabic Presentation Forms-B */ + AF_UNIRANGE_REC( 0x1EE00, 0x1EEFF ), /* Arabic Mathematical Alphabetic Symbols */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_arab_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0600, 0x0605 ), + AF_UNIRANGE_REC( 0x0610, 0x061A ), + AF_UNIRANGE_REC( 0x064B, 0x065F ), + AF_UNIRANGE_REC( 0x0670, 0x0670 ), + AF_UNIRANGE_REC( 0x06D6, 0x06DC ), + AF_UNIRANGE_REC( 0x06DF, 0x06E4 ), + AF_UNIRANGE_REC( 0x06E7, 0x06E8 ), + AF_UNIRANGE_REC( 0x06EA, 0x06ED ), + AF_UNIRANGE_REC( 0x08D4, 0x08E1 ), + AF_UNIRANGE_REC( 0x08E3, 0x08FF ), + AF_UNIRANGE_REC( 0xFBB2, 0xFBC1 ), + AF_UNIRANGE_REC( 0xFE70, 0xFE70 ), + AF_UNIRANGE_REC( 0xFE72, 0xFE72 ), + AF_UNIRANGE_REC( 0xFE74, 0xFE74 ), + AF_UNIRANGE_REC( 0xFE76, 0xFE76 ), + AF_UNIRANGE_REC( 0xFE78, 0xFE78 ), + AF_UNIRANGE_REC( 0xFE7A, 0xFE7A ), + AF_UNIRANGE_REC( 0xFE7C, 0xFE7C ), + AF_UNIRANGE_REC( 0xFE7E, 0xFE7E ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_armn_uniranges[] = + { + AF_UNIRANGE_REC( 0x0530, 0x058F ), /* Armenian */ + AF_UNIRANGE_REC( 0xFB13, 0xFB17 ), /* Alphab. Present. Forms (Armenian) */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_armn_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0559, 0x055F ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_avst_uniranges[] = + { + AF_UNIRANGE_REC( 0x10B00, 0x10B3F ), /* Avestan */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_avst_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x10B39, 0x10B3F ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_bamu_uniranges[] = + { + AF_UNIRANGE_REC( 0xA6A0, 0xA6FF ), /* Bamum */ +#if 0 + /* The characters in the Bamum supplement are pictograms, */ + /* not (directly) related to the syllabic Bamum script */ + AF_UNIRANGE_REC( 0x16800, 0x16A3F ), /* Bamum Supplement */ +#endif + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_bamu_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0xA6F0, 0xA6F1 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_beng_uniranges[] = + { + AF_UNIRANGE_REC( 0x0980, 0x09FF ), /* Bengali */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_beng_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0981, 0x0981 ), + AF_UNIRANGE_REC( 0x09BC, 0x09BC ), + AF_UNIRANGE_REC( 0x09C1, 0x09C4 ), + AF_UNIRANGE_REC( 0x09CD, 0x09CD ), + AF_UNIRANGE_REC( 0x09E2, 0x09E3 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_buhd_uniranges[] = + { + AF_UNIRANGE_REC( 0x1740, 0x175F ), /* Buhid */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_buhd_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x1752, 0x1753 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_cakm_uniranges[] = + { + AF_UNIRANGE_REC( 0x11100, 0x1114F ), /* Chakma */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_cakm_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x11100, 0x11102 ), + AF_UNIRANGE_REC( 0x11127, 0x11134 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_cans_uniranges[] = + { + AF_UNIRANGE_REC( 0x1400, 0x167F ), /* Unified Canadian Aboriginal Syllabics */ + AF_UNIRANGE_REC( 0x18B0, 0x18FF ), /* Unified Canadian Aboriginal Syllabics Extended */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_cans_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_cari_uniranges[] = + { + AF_UNIRANGE_REC( 0x102A0, 0x102DF ), /* Carian */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_cari_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_cher_uniranges[] = + { + AF_UNIRANGE_REC( 0x13A0, 0x13FF ), /* Cherokee */ + AF_UNIRANGE_REC( 0xAB70, 0xABBF ), /* Cherokee Supplement */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_cher_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_copt_uniranges[] = + { + AF_UNIRANGE_REC( 0x2C80, 0x2CFF ), /* Coptic */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_copt_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x2CEF, 0x2CF1 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_cprt_uniranges[] = + { + AF_UNIRANGE_REC( 0x10800, 0x1083F ), /* Cypriot */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_cprt_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_cyrl_uniranges[] = + { + AF_UNIRANGE_REC( 0x0400, 0x04FF ), /* Cyrillic */ + AF_UNIRANGE_REC( 0x0500, 0x052F ), /* Cyrillic Supplement */ + AF_UNIRANGE_REC( 0x2DE0, 0x2DFF ), /* Cyrillic Extended-A */ + AF_UNIRANGE_REC( 0xA640, 0xA69F ), /* Cyrillic Extended-B */ + AF_UNIRANGE_REC( 0x1C80, 0x1C8F ), /* Cyrillic Extended-C */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_cyrl_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0483, 0x0489 ), + AF_UNIRANGE_REC( 0x2DE0, 0x2DFF ), + AF_UNIRANGE_REC( 0xA66F, 0xA67F ), + AF_UNIRANGE_REC( 0xA69E, 0xA69F ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + /* There are some characters in the Devanagari Unicode block that are */ + /* generic to Indic scripts; we omit them so that their presence doesn't */ + /* trigger Devanagari. */ + + const AF_Script_UniRangeRec af_deva_uniranges[] = + { + AF_UNIRANGE_REC( 0x0900, 0x093B ), /* Devanagari */ + /* omitting U+093C nukta */ + AF_UNIRANGE_REC( 0x093D, 0x0950 ), /* ... continued */ + /* omitting U+0951 udatta, U+0952 anudatta */ + AF_UNIRANGE_REC( 0x0953, 0x0963 ), /* ... continued */ + /* omitting U+0964 danda, U+0965 double danda */ + AF_UNIRANGE_REC( 0x0966, 0x097F ), /* ... continued */ + AF_UNIRANGE_REC( 0x20B9, 0x20B9 ), /* (new) Rupee sign */ + AF_UNIRANGE_REC( 0xA8E0, 0xA8FF ), /* Devanagari Extended */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_deva_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0900, 0x0902 ), + AF_UNIRANGE_REC( 0x093A, 0x093A ), + AF_UNIRANGE_REC( 0x0941, 0x0948 ), + AF_UNIRANGE_REC( 0x094D, 0x094D ), + AF_UNIRANGE_REC( 0x0953, 0x0957 ), + AF_UNIRANGE_REC( 0x0962, 0x0963 ), + AF_UNIRANGE_REC( 0xA8E0, 0xA8F1 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_dsrt_uniranges[] = + { + AF_UNIRANGE_REC( 0x10400, 0x1044F ), /* Deseret */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_dsrt_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_ethi_uniranges[] = + { + AF_UNIRANGE_REC( 0x1200, 0x137F ), /* Ethiopic */ + AF_UNIRANGE_REC( 0x1380, 0x139F ), /* Ethiopic Supplement */ + AF_UNIRANGE_REC( 0x2D80, 0x2DDF ), /* Ethiopic Extended */ + AF_UNIRANGE_REC( 0xAB00, 0xAB2F ), /* Ethiopic Extended-A */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_ethi_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x135D, 0x135F ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_geor_uniranges[] = + { + AF_UNIRANGE_REC( 0x10D0, 0x10FF ), /* Georgian (Mkhedruli) */ +#if 0 + /* the following range is proposed for inclusion in Unicode */ + AF_UNIRANGE_REC( 0x1C90, 0x1CBF ), /* Georgian (Mtavruli) */ +#endif + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_geor_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_geok_uniranges[] = + { + /* Khutsuri */ + AF_UNIRANGE_REC( 0x10A0, 0x10CD ), /* Georgian (Asomtavruli) */ + AF_UNIRANGE_REC( 0x2D00, 0x2D2D ), /* Georgian (Nuskhuri) */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_geok_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_glag_uniranges[] = + { + AF_UNIRANGE_REC( 0x2C00, 0x2C5F ), /* Glagolitic */ + AF_UNIRANGE_REC( 0x1E000, 0x1E02F ), /* Glagolitic Supplement */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_glag_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x1E000, 0x1E02F ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_goth_uniranges[] = + { + AF_UNIRANGE_REC( 0x10330, 0x1034F ), /* Gothic */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_goth_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_grek_uniranges[] = + { + AF_UNIRANGE_REC( 0x0370, 0x03FF ), /* Greek and Coptic */ + AF_UNIRANGE_REC( 0x1F00, 0x1FFF ), /* Greek Extended */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_grek_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x037A, 0x037A ), + AF_UNIRANGE_REC( 0x0384, 0x0385 ), + AF_UNIRANGE_REC( 0x1FBD, 0x1FC1 ), + AF_UNIRANGE_REC( 0x1FCD, 0x1FCF ), + AF_UNIRANGE_REC( 0x1FDD, 0x1FDF ), + AF_UNIRANGE_REC( 0x1FED, 0x1FEF ), + AF_UNIRANGE_REC( 0x1FFD, 0x1FFE ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_gujr_uniranges[] = + { + AF_UNIRANGE_REC( 0x0A80, 0x0AFF ), /* Gujarati */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_gujr_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0A81, 0x0A82 ), + AF_UNIRANGE_REC( 0x0ABC, 0x0ABC ), + AF_UNIRANGE_REC( 0x0AC1, 0x0AC8 ), + AF_UNIRANGE_REC( 0x0ACD, 0x0ACD ), + AF_UNIRANGE_REC( 0x0AE2, 0x0AE3 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_guru_uniranges[] = + { + AF_UNIRANGE_REC( 0x0A00, 0x0A7F ), /* Gurmukhi */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_guru_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0A01, 0x0A02 ), + AF_UNIRANGE_REC( 0x0A3C, 0x0A3C ), + AF_UNIRANGE_REC( 0x0A41, 0x0A51 ), + AF_UNIRANGE_REC( 0x0A70, 0x0A71 ), + AF_UNIRANGE_REC( 0x0A75, 0x0A75 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_hebr_uniranges[] = + { + AF_UNIRANGE_REC( 0x0590, 0x05FF ), /* Hebrew */ + AF_UNIRANGE_REC( 0xFB1D, 0xFB4F ), /* Alphab. Present. Forms (Hebrew) */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_hebr_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0591, 0x05BF ), + AF_UNIRANGE_REC( 0x05C1, 0x05C2 ), + AF_UNIRANGE_REC( 0x05C4, 0x05C5 ), + AF_UNIRANGE_REC( 0x05C7, 0x05C7 ), + AF_UNIRANGE_REC( 0xFB1E, 0xFB1E ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_kali_uniranges[] = + { + AF_UNIRANGE_REC( 0xA900, 0xA92F ), /* Kayah Li */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_kali_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0xA926, 0xA92D ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_knda_uniranges[] = + { + AF_UNIRANGE_REC( 0x0C80, 0x0CFF ), /* Kannada */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_knda_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0C81, 0x0C81 ), + AF_UNIRANGE_REC( 0x0CBC, 0x0CBC ), + AF_UNIRANGE_REC( 0x0CBF, 0x0CBF ), + AF_UNIRANGE_REC( 0x0CC6, 0x0CC6 ), + AF_UNIRANGE_REC( 0x0CCC, 0x0CCD ), + AF_UNIRANGE_REC( 0x0CE2, 0x0CE3 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_khmr_uniranges[] = + { + AF_UNIRANGE_REC( 0x1780, 0x17FF ), /* Khmer */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_khmr_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x17B7, 0x17BD ), + AF_UNIRANGE_REC( 0x17C6, 0x17C6 ), + AF_UNIRANGE_REC( 0x17C9, 0x17D3 ), + AF_UNIRANGE_REC( 0x17DD, 0x17DD ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_khms_uniranges[] = + { + AF_UNIRANGE_REC( 0x19E0, 0x19FF ), /* Khmer Symbols */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_khms_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_lao_uniranges[] = + { + AF_UNIRANGE_REC( 0x0E80, 0x0EFF ), /* Lao */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_lao_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0EB1, 0x0EB1 ), + AF_UNIRANGE_REC( 0x0EB4, 0x0EBC ), + AF_UNIRANGE_REC( 0x0EC8, 0x0ECD ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_latn_uniranges[] = + { + AF_UNIRANGE_REC( 0x0020, 0x007F ), /* Basic Latin (no control chars) */ + AF_UNIRANGE_REC( 0x00A0, 0x00A9 ), /* Latin-1 Supplement (no control chars) */ + AF_UNIRANGE_REC( 0x00AB, 0x00B1 ), /* ... continued */ + AF_UNIRANGE_REC( 0x00B4, 0x00B8 ), /* ... continued */ + AF_UNIRANGE_REC( 0x00BB, 0x00FF ), /* ... continued */ + AF_UNIRANGE_REC( 0x0100, 0x017F ), /* Latin Extended-A */ + AF_UNIRANGE_REC( 0x0180, 0x024F ), /* Latin Extended-B */ + AF_UNIRANGE_REC( 0x0250, 0x02AF ), /* IPA Extensions */ + AF_UNIRANGE_REC( 0x02B9, 0x02DF ), /* Spacing Modifier Letters */ + AF_UNIRANGE_REC( 0x02E5, 0x02FF ), /* ... continued */ + AF_UNIRANGE_REC( 0x0300, 0x036F ), /* Combining Diacritical Marks */ + AF_UNIRANGE_REC( 0x1AB0, 0x1ABE ), /* Combining Diacritical Marks Extended */ + AF_UNIRANGE_REC( 0x1D00, 0x1D2B ), /* Phonetic Extensions */ + AF_UNIRANGE_REC( 0x1D6B, 0x1D77 ), /* ... continued */ + AF_UNIRANGE_REC( 0x1D79, 0x1D7F ), /* ... continued */ + AF_UNIRANGE_REC( 0x1D80, 0x1D9A ), /* Phonetic Extensions Supplement */ + AF_UNIRANGE_REC( 0x1DC0, 0x1DFF ), /* Combining Diacritical Marks Supplement */ + AF_UNIRANGE_REC( 0x1E00, 0x1EFF ), /* Latin Extended Additional */ + AF_UNIRANGE_REC( 0x2000, 0x206F ), /* General Punctuation */ + AF_UNIRANGE_REC( 0x20A0, 0x20B8 ), /* Currency Symbols ... */ + AF_UNIRANGE_REC( 0x20BA, 0x20CF ), /* ... except new Rupee sign */ + AF_UNIRANGE_REC( 0x2150, 0x218F ), /* Number Forms */ + AF_UNIRANGE_REC( 0x2C60, 0x2C7B ), /* Latin Extended-C */ + AF_UNIRANGE_REC( 0x2C7E, 0x2C7F ), /* ... continued */ + AF_UNIRANGE_REC( 0x2E00, 0x2E7F ), /* Supplemental Punctuation */ + AF_UNIRANGE_REC( 0xA720, 0xA76F ), /* Latin Extended-D */ + AF_UNIRANGE_REC( 0xA771, 0xA7F7 ), /* ... continued */ + AF_UNIRANGE_REC( 0xA7FA, 0xA7FF ), /* ... continued */ + AF_UNIRANGE_REC( 0xAB30, 0xAB5B ), /* Latin Extended-E */ + AF_UNIRANGE_REC( 0xAB60, 0xAB6F ), /* ... continued */ + AF_UNIRANGE_REC( 0xFB00, 0xFB06 ), /* Alphab. Present. Forms (Latin Ligs) */ + AF_UNIRANGE_REC( 0x1D400, 0x1D7FF ), /* Mathematical Alphanumeric Symbols */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_latn_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x005E, 0x0060 ), + AF_UNIRANGE_REC( 0x007E, 0x007E ), + AF_UNIRANGE_REC( 0x00A8, 0x00A9 ), + AF_UNIRANGE_REC( 0x00AE, 0x00B0 ), + AF_UNIRANGE_REC( 0x00B4, 0x00B4 ), + AF_UNIRANGE_REC( 0x00B8, 0x00B8 ), + AF_UNIRANGE_REC( 0x00BC, 0x00BE ), + AF_UNIRANGE_REC( 0x02B9, 0x02DF ), + AF_UNIRANGE_REC( 0x02E5, 0x02FF ), + AF_UNIRANGE_REC( 0x0300, 0x036F ), + AF_UNIRANGE_REC( 0x1AB0, 0x1ABE ), + AF_UNIRANGE_REC( 0x1DC0, 0x1DFF ), + AF_UNIRANGE_REC( 0x2017, 0x2017 ), + AF_UNIRANGE_REC( 0x203E, 0x203E ), + AF_UNIRANGE_REC( 0xA788, 0xA788 ), + AF_UNIRANGE_REC( 0xA7F8, 0xA7FA ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_latb_uniranges[] = + { + AF_UNIRANGE_REC( 0x1D62, 0x1D6A ), /* some small subscript letters */ + AF_UNIRANGE_REC( 0x2080, 0x209C ), /* subscript digits and letters */ + AF_UNIRANGE_REC( 0x2C7C, 0x2C7C ), /* latin subscript small letter j */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_latb_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_latp_uniranges[] = + { + AF_UNIRANGE_REC( 0x00AA, 0x00AA ), /* feminine ordinal indicator */ + AF_UNIRANGE_REC( 0x00B2, 0x00B3 ), /* superscript two and three */ + AF_UNIRANGE_REC( 0x00B9, 0x00BA ), /* superscript one, masc. ord. indic. */ + AF_UNIRANGE_REC( 0x02B0, 0x02B8 ), /* some latin superscript mod. letters */ + AF_UNIRANGE_REC( 0x02E0, 0x02E4 ), /* some IPA modifier letters */ + AF_UNIRANGE_REC( 0x1D2C, 0x1D61 ), /* latin superscript modifier letters */ + AF_UNIRANGE_REC( 0x1D78, 0x1D78 ), /* modifier letter cyrillic en */ + AF_UNIRANGE_REC( 0x1D9B, 0x1DBF ), /* more modifier letters */ + AF_UNIRANGE_REC( 0x2070, 0x207F ), /* superscript digits and letters */ + AF_UNIRANGE_REC( 0x2C7D, 0x2C7D ), /* modifier letter capital v */ + AF_UNIRANGE_REC( 0xA770, 0xA770 ), /* modifier letter us */ + AF_UNIRANGE_REC( 0xA7F8, 0xA7F9 ), /* more modifier letters */ + AF_UNIRANGE_REC( 0xAB5C, 0xAB5F ), /* more modifier letters */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_latp_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_lisu_uniranges[] = + { + AF_UNIRANGE_REC( 0xA4D0, 0xA4FF ), /* Lisu */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_lisu_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_mlym_uniranges[] = + { + AF_UNIRANGE_REC( 0x0D00, 0x0D7F ), /* Malayalam */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_mlym_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0D01, 0x0D01 ), + AF_UNIRANGE_REC( 0x0D4D, 0x0D4E ), + AF_UNIRANGE_REC( 0x0D62, 0x0D63 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_mymr_uniranges[] = + { + AF_UNIRANGE_REC( 0x1000, 0x109F ), /* Myanmar */ + AF_UNIRANGE_REC( 0xA9E0, 0xA9FF ), /* Myanmar Extended-B */ + AF_UNIRANGE_REC( 0xAA60, 0xAA7F ), /* Myanmar Extended-A */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_mymr_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x102D, 0x1030 ), + AF_UNIRANGE_REC( 0x1032, 0x1037 ), + AF_UNIRANGE_REC( 0x103A, 0x103A ), + AF_UNIRANGE_REC( 0x103D, 0x103E ), + AF_UNIRANGE_REC( 0x1058, 0x1059 ), + AF_UNIRANGE_REC( 0x105E, 0x1060 ), + AF_UNIRANGE_REC( 0x1071, 0x1074 ), + AF_UNIRANGE_REC( 0x1082, 0x1082 ), + AF_UNIRANGE_REC( 0x1085, 0x1086 ), + AF_UNIRANGE_REC( 0x108D, 0x108D ), + AF_UNIRANGE_REC( 0xA9E5, 0xA9E5 ), + AF_UNIRANGE_REC( 0xAA7C, 0xAA7C ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_nkoo_uniranges[] = + { + AF_UNIRANGE_REC( 0x07C0, 0x07FF ), /* N'Ko */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_nkoo_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x07EB, 0x07F5 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_none_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_none_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_olck_uniranges[] = + { + AF_UNIRANGE_REC( 0x1C50, 0x1C7F ), /* Ol Chiki */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_olck_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_orkh_uniranges[] = + { + AF_UNIRANGE_REC( 0x10C00, 0x10C4F ), /* Old Turkic */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_orkh_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_osge_uniranges[] = + { + AF_UNIRANGE_REC( 0x104B0, 0x104FF ), /* Osage */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_osge_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_osma_uniranges[] = + { + AF_UNIRANGE_REC( 0x10480, 0x104AF ), /* Osmanya */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_osma_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_saur_uniranges[] = + { + AF_UNIRANGE_REC( 0xA880, 0xA8DF ), /* Saurashtra */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_saur_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0xA880, 0xA881 ), + AF_UNIRANGE_REC( 0xA8B4, 0xA8C5 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_shaw_uniranges[] = + { + AF_UNIRANGE_REC( 0x10450, 0x1047F ), /* Shavian */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_shaw_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_sinh_uniranges[] = + { + AF_UNIRANGE_REC( 0x0D80, 0x0DFF ), /* Sinhala */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_sinh_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0DCA, 0x0DCA ), + AF_UNIRANGE_REC( 0x0DD2, 0x0DD6 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_sund_uniranges[] = + { + AF_UNIRANGE_REC( 0x1B80, 0x1BBF ), /* Sundanese */ + AF_UNIRANGE_REC( 0x1CC0, 0x1CCF ), /* Sundanese Supplement */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_sund_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x1B80, 0x1B82 ), + AF_UNIRANGE_REC( 0x1BA1, 0x1BAD ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_taml_uniranges[] = + { + AF_UNIRANGE_REC( 0x0B80, 0x0BFF ), /* Tamil */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_taml_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0B82, 0x0B82 ), + AF_UNIRANGE_REC( 0x0BC0, 0x0BC2 ), + AF_UNIRANGE_REC( 0x0BCD, 0x0BCD ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_tavt_uniranges[] = + { + AF_UNIRANGE_REC( 0xAA80, 0xAADF ), /* Tai Viet */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_tavt_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0xAAB0, 0xAAB0 ), + AF_UNIRANGE_REC( 0xAAB2, 0xAAB4 ), + AF_UNIRANGE_REC( 0xAAB7, 0xAAB8 ), + AF_UNIRANGE_REC( 0xAABE, 0xAABF ), + AF_UNIRANGE_REC( 0xAAC1, 0xAAC1 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_telu_uniranges[] = + { + AF_UNIRANGE_REC( 0x0C00, 0x0C7F ), /* Telugu */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_telu_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0C00, 0x0C00 ), + AF_UNIRANGE_REC( 0x0C3E, 0x0C40 ), + AF_UNIRANGE_REC( 0x0C46, 0x0C56 ), + AF_UNIRANGE_REC( 0x0C62, 0x0C63 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_thai_uniranges[] = + { + AF_UNIRANGE_REC( 0x0E00, 0x0E7F ), /* Thai */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_thai_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0E31, 0x0E31 ), + AF_UNIRANGE_REC( 0x0E34, 0x0E3A ), + AF_UNIRANGE_REC( 0x0E47, 0x0E4E ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_tfng_uniranges[] = + { + AF_UNIRANGE_REC( 0x2D30, 0x2D7F ), /* Tifinagh */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_tfng_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_vaii_uniranges[] = + { + AF_UNIRANGE_REC( 0xA500, 0xA63F ), /* Vai */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_vaii_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0, 0 ) + }; + + +#ifdef AF_CONFIG_OPTION_INDIC + + const AF_Script_UniRangeRec af_limb_uniranges[] = + { + AF_UNIRANGE_REC( 0x1900, 0x194F ), /* Limbu */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_limb_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x1920, 0x1922 ), + AF_UNIRANGE_REC( 0x1927, 0x1934 ), + AF_UNIRANGE_REC( 0x1937, 0x193B ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_orya_uniranges[] = + { + AF_UNIRANGE_REC( 0x0B00, 0x0B7F ), /* Oriya */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_orya_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0B01, 0x0B02 ), + AF_UNIRANGE_REC( 0x0B3C, 0x0B3C ), + AF_UNIRANGE_REC( 0x0B3F, 0x0B3F ), + AF_UNIRANGE_REC( 0x0B41, 0x0B44 ), + AF_UNIRANGE_REC( 0x0B4D, 0x0B56 ), + AF_UNIRANGE_REC( 0x0B62, 0x0B63 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_sylo_uniranges[] = + { + AF_UNIRANGE_REC( 0xA800, 0xA82F ), /* Syloti Nagri */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_sylo_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0xA802, 0xA802 ), + AF_UNIRANGE_REC( 0xA806, 0xA806 ), + AF_UNIRANGE_REC( 0xA80B, 0xA80B ), + AF_UNIRANGE_REC( 0xA825, 0xA826 ), + AF_UNIRANGE_REC( 0, 0 ) + }; + + + const AF_Script_UniRangeRec af_tibt_uniranges[] = + { + AF_UNIRANGE_REC( 0x0F00, 0x0FFF ), /* Tibetan */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_tibt_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x0F18, 0x0F19 ), + AF_UNIRANGE_REC( 0x0F35, 0x0F35 ), + AF_UNIRANGE_REC( 0x0F37, 0x0F37 ), + AF_UNIRANGE_REC( 0x0F39, 0x0F39 ), + AF_UNIRANGE_REC( 0x0F3E, 0x0F3F ), + AF_UNIRANGE_REC( 0x0F71, 0x0F7E ), + AF_UNIRANGE_REC( 0x0F80, 0x0F84 ), + AF_UNIRANGE_REC( 0x0F86, 0x0F87 ), + AF_UNIRANGE_REC( 0x0F8D, 0x0FBC ), + AF_UNIRANGE_REC( 0, 0 ) + }; + +#endif /* !AF_CONFIG_OPTION_INDIC */ + +#ifdef AF_CONFIG_OPTION_CJK + + /* this corresponds to Unicode 6.0 */ + + const AF_Script_UniRangeRec af_hani_uniranges[] = + { + AF_UNIRANGE_REC( 0x1100, 0x11FF ), /* Hangul Jamo */ + AF_UNIRANGE_REC( 0x2E80, 0x2EFF ), /* CJK Radicals Supplement */ + AF_UNIRANGE_REC( 0x2F00, 0x2FDF ), /* Kangxi Radicals */ + AF_UNIRANGE_REC( 0x2FF0, 0x2FFF ), /* Ideographic Description Characters */ + AF_UNIRANGE_REC( 0x3000, 0x303F ), /* CJK Symbols and Punctuation */ + AF_UNIRANGE_REC( 0x3040, 0x309F ), /* Hiragana */ + AF_UNIRANGE_REC( 0x30A0, 0x30FF ), /* Katakana */ + AF_UNIRANGE_REC( 0x3100, 0x312F ), /* Bopomofo */ + AF_UNIRANGE_REC( 0x3130, 0x318F ), /* Hangul Compatibility Jamo */ + AF_UNIRANGE_REC( 0x3190, 0x319F ), /* Kanbun */ + AF_UNIRANGE_REC( 0x31A0, 0x31BF ), /* Bopomofo Extended */ + AF_UNIRANGE_REC( 0x31C0, 0x31EF ), /* CJK Strokes */ + AF_UNIRANGE_REC( 0x31F0, 0x31FF ), /* Katakana Phonetic Extensions */ + AF_UNIRANGE_REC( 0x3300, 0x33FF ), /* CJK Compatibility */ + AF_UNIRANGE_REC( 0x3400, 0x4DBF ), /* CJK Unified Ideographs Extension A */ + AF_UNIRANGE_REC( 0x4DC0, 0x4DFF ), /* Yijing Hexagram Symbols */ + AF_UNIRANGE_REC( 0x4E00, 0x9FFF ), /* CJK Unified Ideographs */ + AF_UNIRANGE_REC( 0xA960, 0xA97F ), /* Hangul Jamo Extended-A */ + AF_UNIRANGE_REC( 0xAC00, 0xD7AF ), /* Hangul Syllables */ + AF_UNIRANGE_REC( 0xD7B0, 0xD7FF ), /* Hangul Jamo Extended-B */ + AF_UNIRANGE_REC( 0xF900, 0xFAFF ), /* CJK Compatibility Ideographs */ + AF_UNIRANGE_REC( 0xFE10, 0xFE1F ), /* Vertical forms */ + AF_UNIRANGE_REC( 0xFE30, 0xFE4F ), /* CJK Compatibility Forms */ + AF_UNIRANGE_REC( 0xFF00, 0xFFEF ), /* Halfwidth and Fullwidth Forms */ + AF_UNIRANGE_REC( 0x1B000, 0x1B0FF ), /* Kana Supplement */ + AF_UNIRANGE_REC( 0x1D300, 0x1D35F ), /* Tai Xuan Hing Symbols */ + AF_UNIRANGE_REC( 0x20000, 0x2A6DF ), /* CJK Unified Ideographs Extension B */ + AF_UNIRANGE_REC( 0x2A700, 0x2B73F ), /* CJK Unified Ideographs Extension C */ + AF_UNIRANGE_REC( 0x2B740, 0x2B81F ), /* CJK Unified Ideographs Extension D */ + AF_UNIRANGE_REC( 0x2F800, 0x2FA1F ), /* CJK Compatibility Ideographs Supplement */ + AF_UNIRANGE_REC( 0, 0 ) + }; + + const AF_Script_UniRangeRec af_hani_nonbase_uniranges[] = + { + AF_UNIRANGE_REC( 0x302A, 0x302F ), + AF_UNIRANGE_REC( 0x3190, 0x319F ), + AF_UNIRANGE_REC( 0, 0 ) + }; + +#endif /* !AF_CONFIG_OPTION_CJK */ + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afranges.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afranges.h new file mode 100644 index 00000000000..ba3b5e7ccbc --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afranges.h @@ -0,0 +1,47 @@ +/***************************************************************************/ +/* */ +/* afranges.h */ +/* */ +/* Auto-fitter Unicode script ranges (specification). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFRANGES_H_ +#define AFRANGES_H_ + + +#include "aftypes.h" + + +FT_BEGIN_HEADER + +#undef SCRIPT +#define SCRIPT( s, S, d, h, H, ss ) \ + extern const AF_Script_UniRangeRec af_ ## s ## _uniranges[]; + +#include "afscript.h" + +#undef SCRIPT +#define SCRIPT( s, S, d, h, H, ss ) \ + extern const AF_Script_UniRangeRec af_ ## s ## _nonbase_uniranges[]; + +#include "afscript.h" + + /* */ + +FT_END_HEADER + +#endif /* AFRANGES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afscript.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afscript.h new file mode 100644 index 00000000000..6ac193f6a71 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afscript.h @@ -0,0 +1,390 @@ +/***************************************************************************/ +/* */ +/* afscript.h */ +/* */ +/* Auto-fitter scripts (specification only). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /* The following part can be included multiple times. */ + /* Define `SCRIPT' as needed. */ + + + /* Add new scripts here. The first and second arguments are the */ + /* script name in lowercase and uppercase, respectively, followed */ + /* by a description string. Then comes the corresponding HarfBuzz */ + /* script name tag, followed by a string of standard characters (to */ + /* derive the standard width and height of stems). */ + /* */ + /* Note that fallback scripts only have a default style, thus we */ + /* use `HB_SCRIPT_INVALID' as the HarfBuzz script name tag for */ + /* them. */ + + SCRIPT( adlm, ADLM, + "Adlam", + HB_SCRIPT_ADLAM, + HINTING_BOTTOM_TO_TOP, + "\xF0\x9E\xA4\x8C \xF0\x9E\xA4\xAE" ) /* 𞤌 𞤮 */ + + SCRIPT( arab, ARAB, + "Arabic", + HB_SCRIPT_ARABIC, + HINTING_BOTTOM_TO_TOP, + "\xD9\x84 \xD8\xAD \xD9\x80" ) /* ل ح ـ */ + + SCRIPT( armn, ARMN, + "Armenian", + HB_SCRIPT_ARMENIAN, + HINTING_BOTTOM_TO_TOP, + "\xD5\xBD \xD5\x8D" ) /* ս Ս */ + + SCRIPT( avst, AVST, + "Avestan", + HB_SCRIPT_AVESTAN, + HINTING_BOTTOM_TO_TOP, + "\xF0\x90\xAC\x9A" ) /* 𐬚 */ + + SCRIPT( bamu, BAMU, + "Bamum", + HB_SCRIPT_BAMUM, + HINTING_BOTTOM_TO_TOP, + "\xEA\x9B\x81 \xEA\x9B\xAF" ) /* ꛁ ꛯ */ + + /* there are no simple forms for letters; we thus use two digit shapes */ + SCRIPT( beng, BENG, + "Bengali", + HB_SCRIPT_BENGALI, + HINTING_TOP_TO_BOTTOM, + "\xE0\xA7\xA6 \xE0\xA7\xAA" ) /* ০ ৪ */ + + SCRIPT( buhd, BUHD, + "Buhid", + HB_SCRIPT_BUHID, + HINTING_BOTTOM_TO_TOP, + "\xE1\x9D\x8B \xE1\x9D\x8F" ) /* ᝋ ᝏ */ + + SCRIPT( cakm, CAKM, + "Chakma", + HB_SCRIPT_CHAKMA, + HINTING_BOTTOM_TO_TOP, + "\xF0\x91\x84\xA4 \xF0\x91\x84\x89 \xF0\x91\x84\x9B" ) /* 𑄤 𑄉 𑄛 */ + + SCRIPT( cans, CANS, + "Canadian Syllabics", + HB_SCRIPT_CANADIAN_SYLLABICS, + HINTING_BOTTOM_TO_TOP, + "\xE1\x91\x8C \xE1\x93\x9A" ) /* ᑌ ᓚ */ + + SCRIPT( cari, CARI, + "Carian", + HB_SCRIPT_CARIAN, + HINTING_BOTTOM_TO_TOP, + "\xF0\x90\x8A\xAB \xF0\x90\x8B\x89" ) /* 𐊫 𐋉 */ + + SCRIPT( cher, CHER, + "Cherokee", + HB_SCRIPT_CHEROKEE, + HINTING_BOTTOM_TO_TOP, + "\xE1\x8E\xA4 \xE1\x8F\x85 \xEA\xAE\x95" ) /* Ꭴ Ꮕ ꮕ */ + + SCRIPT( copt, COPT, + "Coptic", + HB_SCRIPT_COPTIC, + HINTING_BOTTOM_TO_TOP, + "\xE2\xB2\x9E \xE2\xB2\x9F" ) /* Ⲟ ⲟ */ + + SCRIPT( cprt, CPRT, + "Cypriot", + HB_SCRIPT_CYPRIOT, + HINTING_BOTTOM_TO_TOP, + "\xF0\x90\xA0\x85 \xF0\x90\xA0\xA3" ) /* 𐠅 𐠣 */ + + SCRIPT( cyrl, CYRL, + "Cyrillic", + HB_SCRIPT_CYRILLIC, + HINTING_BOTTOM_TO_TOP, + "\xD0\xBE \xD0\x9E" ) /* о О */ + + SCRIPT( deva, DEVA, + "Devanagari", + HB_SCRIPT_DEVANAGARI, + HINTING_TOP_TO_BOTTOM, + "\xE0\xA4\xA0 \xE0\xA4\xB5 \xE0\xA4\x9F" ) /* ठ व ट */ + + SCRIPT( dsrt, DSRT, + "Deseret", + HB_SCRIPT_DESERET, + HINTING_BOTTOM_TO_TOP, + "\xF0\x90\x90\x84 \xF0\x90\x90\xAC" ) /* 𐐄 𐐬 */ + + SCRIPT( ethi, ETHI, + "Ethiopic", + HB_SCRIPT_ETHIOPIC, + HINTING_BOTTOM_TO_TOP, + "\xE1\x8B\x90" ) /* ዐ */ + + SCRIPT( geor, GEOR, + "Georgian (Mkhedruli)", + HB_SCRIPT_GEORGIAN, + HINTING_BOTTOM_TO_TOP, + "\xE1\x83\x98 \xE1\x83\x94 \xE1\x83\x90" ) /* ი ე ა */ + + SCRIPT( geok, GEOK, + "Georgian (Khutsuri)", + HB_SCRIPT_INVALID, + HINTING_BOTTOM_TO_TOP, + "\xE1\x82\xB6 \xE1\x82\xB1 \xE2\xB4\x99" ) /* Ⴖ Ⴑ ⴙ */ + + SCRIPT( glag, GLAG, + "Glagolitic", + HB_SCRIPT_GLAGOLITIC, + HINTING_BOTTOM_TO_TOP, + "\xE2\xB0\x95 \xE2\xB1\x85" ) /* Ⱅ ⱅ */ + + SCRIPT( goth, GOTH, + "Gothic", + HB_SCRIPT_GOTHIC, + HINTING_TOP_TO_BOTTOM, + "\xF0\x90\x8C\xB4 \xF0\x90\x8C\xBE \xF0\x90\x8D\x83" ) /* 𐌴 𐌾 𐍃 */ + + SCRIPT( grek, GREK, + "Greek", + HB_SCRIPT_GREEK, + HINTING_BOTTOM_TO_TOP, + "\xCE\xBF \xCE\x9F" ) /* ο Ο */ + + SCRIPT( gujr, GUJR, + "Gujarati", + HB_SCRIPT_GUJARATI, + HINTING_BOTTOM_TO_TOP, + "\xE0\xAA\x9F \xE0\xAB\xA6" ) /* ટ ૦ */ + + SCRIPT( guru, GURU, + "Gurmukhi", + HB_SCRIPT_GURMUKHI, + HINTING_TOP_TO_BOTTOM, + "\xE0\xA8\xA0 \xE0\xA8\xB0 \xE0\xA9\xA6" ) /* ਠ ਰ ੦ */ + + SCRIPT( hebr, HEBR, + "Hebrew", + HB_SCRIPT_HEBREW, + HINTING_BOTTOM_TO_TOP, + "\xD7\x9D" ) /* ם */ + + SCRIPT( kali, KALI, + "Kayah Li", + HB_SCRIPT_KAYAH_LI, + HINTING_BOTTOM_TO_TOP, + "\xEA\xA4\x8D \xEA\xA4\x80" ) /* ꤍ ꤀ */ + + /* only digit zero has a simple shape in the Khmer script */ + SCRIPT( khmr, KHMR, + "Khmer", + HB_SCRIPT_KHMER, + HINTING_BOTTOM_TO_TOP, + "\xE1\x9F\xA0" ) /* ០ */ + + SCRIPT( khms, KHMS, + "Khmer Symbols", + HB_SCRIPT_INVALID, + HINTING_BOTTOM_TO_TOP, + "\xE1\xA7\xA1 \xE1\xA7\xAA" ) /* ᧡ ᧪ */ + + SCRIPT( knda, KNDA, + "Kannada", + HB_SCRIPT_KANNADA, + HINTING_BOTTOM_TO_TOP, + "\xE0\xB3\xA6 \xE0\xB2\xAC" ) /* ೦ ಬ */ + + /* only digit zero has a simple shape in the Lao script */ + SCRIPT( lao, LAO, + "Lao", + HB_SCRIPT_LAO, + HINTING_BOTTOM_TO_TOP, + "\xE0\xBB\x90" ) /* ໐ */ + + SCRIPT( latn, LATN, + "Latin", + HB_SCRIPT_LATIN, + HINTING_BOTTOM_TO_TOP, + "o O 0" ) + + SCRIPT( latb, LATB, + "Latin Subscript Fallback", + HB_SCRIPT_INVALID, + HINTING_BOTTOM_TO_TOP, + "\xE2\x82\x92 \xE2\x82\x80" ) /* ₒ ₀ */ + + SCRIPT( latp, LATP, + "Latin Superscript Fallback", + HB_SCRIPT_INVALID, + HINTING_BOTTOM_TO_TOP, + "\xE1\xB5\x92 \xE1\xB4\xBC \xE2\x81\xB0" ) /* ᵒ ᴼ ⁰ */ + + SCRIPT( lisu, LISU, + "Lisu", + HB_SCRIPT_LISU, + HINTING_BOTTOM_TO_TOP, + "\xEA\x93\xB3" ) /* ꓳ */ + + SCRIPT( mlym, MLYM, + "Malayalam", + HB_SCRIPT_MALAYALAM, + HINTING_BOTTOM_TO_TOP, + "\xE0\xB4\xA0 \xE0\xB4\xB1" ) /* ഠ റ */ + + SCRIPT( mymr, MYMR, + "Myanmar", + HB_SCRIPT_MYANMAR, + HINTING_BOTTOM_TO_TOP, + "\xE1\x80\x9D \xE1\x80\x84 \xE1\x80\x82" ) /* ဝ င ဂ */ + + SCRIPT( nkoo, NKOO, + "N'Ko", + HB_SCRIPT_NKO, + HINTING_BOTTOM_TO_TOP, + "\xDF\x8B \xDF\x80" ) /* ߋ ߀ */ + + SCRIPT( none, NONE, + "no script", + HB_SCRIPT_INVALID, + HINTING_BOTTOM_TO_TOP, + "" ) + + SCRIPT( olck, OLCK, + "Ol Chiki", + HB_SCRIPT_OL_CHIKI, + HINTING_BOTTOM_TO_TOP, + "\xE1\xB1\x9B" ) /* ᱛ */ + + SCRIPT( orkh, ORKH, + "Old Turkic", + HB_SCRIPT_OLD_TURKIC, + HINTING_BOTTOM_TO_TOP, + "\xF0\x90\xB0\x97" ) /* 𐰗 */ + + SCRIPT( osge, OSGE, + "Osage", + HB_SCRIPT_OSAGE, + HINTING_BOTTOM_TO_TOP, + "\xF0\x90\x93\x82 \xF0\x90\x93\xAA" ) /* 𐓂 𐓪 */ + + SCRIPT( osma, OSMA, + "Osmanya", + HB_SCRIPT_OSMANYA, + HINTING_BOTTOM_TO_TOP, + "\xF0\x90\x92\x86 \xF0\x90\x92\xA0" ) /* 𐒆 𐒠 */ + + SCRIPT( saur, SAUR, + "Saurashtra", + HB_SCRIPT_SAURASHTRA, + HINTING_BOTTOM_TO_TOP, + "\xEA\xA2\x9D \xEA\xA3\x90" ) /* ꢝ ꣐ */ + + SCRIPT( shaw, SHAW, + "Shavian", + HB_SCRIPT_SHAVIAN, + HINTING_BOTTOM_TO_TOP, + "\xF0\x90\x91\xB4" ) /* 𐑴 */ + + SCRIPT( sinh, SINH, + "Sinhala", + HB_SCRIPT_SINHALA, + HINTING_BOTTOM_TO_TOP, + "\xE0\xB6\xA7" ) /* ට */ + + /* only digit zero has a simple (round) shape in the Sundanese script */ + SCRIPT( sund, SUND, + "Sundanese", + HB_SCRIPT_SUNDANESE, + HINTING_BOTTOM_TO_TOP, + "\xE1\xAE\xB0" ) /* ᮰ */ + + /* only digit zero has a simple (round) shape in the Tamil script */ + SCRIPT( taml, TAML, + "Tamil", + HB_SCRIPT_TAMIL, + HINTING_BOTTOM_TO_TOP, + "\xE0\xAF\xA6" ) /* ௦ */ + + SCRIPT( tavt, TAVT, + "Tai Viet", + HB_SCRIPT_TAI_VIET, + HINTING_BOTTOM_TO_TOP, + "\xEA\xAA\x92 \xEA\xAA\xAB" ) /* ꪒ ꪫ */ + + /* there are no simple forms for letters; we thus use two digit shapes */ + SCRIPT( telu, TELU, + "Telugu", + HB_SCRIPT_TELUGU, + HINTING_BOTTOM_TO_TOP, + "\xE0\xB1\xA6 \xE0\xB1\xA7" ) /* ౦ ౧ */ + + SCRIPT( tfng, TFNG, + "Tifinagh", + HB_SCRIPT_TIFINAGH, + HINTING_BOTTOM_TO_TOP, + "\xE2\xB5\x94" ) /* ⵔ */ + + SCRIPT( thai, THAI, + "Thai", + HB_SCRIPT_THAI, + HINTING_BOTTOM_TO_TOP, + "\xE0\xB8\xB2 \xE0\xB9\x85 \xE0\xB9\x90" ) /* า ๅ ๐ */ + + SCRIPT( vaii, VAII, + "Vai", + HB_SCRIPT_VAI, + HINTING_BOTTOM_TO_TOP, + "\xEA\x98\x93 \xEA\x96\x9C \xEA\x96\xB4" ) /* ꘓ ꖜ ꖴ */ + +#ifdef AF_CONFIG_OPTION_INDIC + + SCRIPT( limb, LIMB, + "Limbu", + HB_SCRIPT_LIMBU, + HINTING_BOTTOM_TO_TOP, + "o" ) /* XXX */ + + SCRIPT( orya, ORYA, + "Oriya", + HB_SCRIPT_ORIYA, + HINTING_BOTTOM_TO_TOP, + "o" ) /* XXX */ + + SCRIPT( sylo, SYLO, + "Syloti Nagri", + HB_SCRIPT_SYLOTI_NAGRI, + HINTING_BOTTOM_TO_TOP, + "o" ) /* XXX */ + + SCRIPT( tibt, TIBT, + "Tibetan", + HB_SCRIPT_TIBETAN, + HINTING_BOTTOM_TO_TOP, + "o" ) /* XXX */ + +#endif /* AF_CONFIG_OPTION_INDIC */ + +#ifdef AF_CONFIG_OPTION_CJK + + SCRIPT( hani, HANI, + "CJKV ideographs", + HB_SCRIPT_HAN, + HINTING_BOTTOM_TO_TOP, + "\xE7\x94\xB0 \xE5\x9B\x97" ) /* 田 囗 */ + +#endif /* AF_CONFIG_OPTION_CJK */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afshaper.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afshaper.c new file mode 100644 index 00000000000..f30828173cf --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afshaper.c @@ -0,0 +1,683 @@ +/***************************************************************************/ +/* */ +/* afshaper.c */ +/* */ +/* HarfBuzz interface for accessing OpenType features (body). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_ADVANCES_H +#include "afglobal.h" +#include "aftypes.h" +#include "afshaper.h" + +#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_afshaper + + + /* + * We use `sets' (in the HarfBuzz sense, which comes quite near to the + * usual mathematical meaning) to manage both lookups and glyph indices. + * + * 1. For each coverage, collect lookup IDs in a set. Note that an + * auto-hinter `coverage' is represented by one `feature', and a + * feature consists of an arbitrary number of (font specific) `lookup's + * that actually do the mapping job. Please check the OpenType + * specification for more details on features and lookups. + * + * 2. Create glyph ID sets from the corresponding lookup sets. + * + * 3. The glyph set corresponding to AF_COVERAGE_DEFAULT is computed + * with all lookups specific to the OpenType script activated. It + * relies on the order of AF_DEFINE_STYLE_CLASS entries so that + * special coverages (like `oldstyle figures') don't get overwritten. + * + */ + + + /* load coverage tags */ +#undef COVERAGE +#define COVERAGE( name, NAME, description, \ + tag1, tag2, tag3, tag4 ) \ + static const hb_tag_t name ## _coverage[] = \ + { \ + HB_TAG( tag1, tag2, tag3, tag4 ), \ + HB_TAG_NONE \ + }; + + +#include "afcover.h" + + + /* define mapping between coverage tags and AF_Coverage */ +#undef COVERAGE +#define COVERAGE( name, NAME, description, \ + tag1, tag2, tag3, tag4 ) \ + name ## _coverage, + + + static const hb_tag_t* coverages[] = + { +#include "afcover.h" + + NULL /* AF_COVERAGE_DEFAULT */ + }; + + + /* load HarfBuzz script tags */ +#undef SCRIPT +#define SCRIPT( s, S, d, h, H, ss ) h, + + + static const hb_script_t scripts[] = + { +#include "afscript.h" + }; + + + FT_Error + af_shaper_get_coverage( AF_FaceGlobals globals, + AF_StyleClass style_class, + FT_UShort* gstyles, + FT_Bool default_script ) + { + hb_face_t* face; + + hb_set_t* gsub_lookups = NULL; /* GSUB lookups for a given script */ + hb_set_t* gsub_glyphs = NULL; /* glyphs covered by GSUB lookups */ + hb_set_t* gpos_lookups = NULL; /* GPOS lookups for a given script */ + hb_set_t* gpos_glyphs = NULL; /* glyphs covered by GPOS lookups */ + + hb_script_t script; + const hb_tag_t* coverage_tags; + hb_tag_t script_tags[] = { HB_TAG_NONE, + HB_TAG_NONE, + HB_TAG_NONE, + HB_TAG_NONE }; + + hb_codepoint_t idx; +#ifdef FT_DEBUG_LEVEL_TRACE + int count; +#endif + + + if ( !globals || !style_class || !gstyles ) + return FT_THROW( Invalid_Argument ); + + face = hb_font_get_face( globals->hb_font ); + + coverage_tags = coverages[style_class->coverage]; + script = scripts[style_class->script]; + + /* Convert a HarfBuzz script tag into the corresponding OpenType */ + /* tag or tags -- some Indic scripts like Devanagari have an old */ + /* and a new set of features. */ + hb_ot_tags_from_script( script, + &script_tags[0], + &script_tags[1] ); + + /* `hb_ot_tags_from_script' usually returns HB_OT_TAG_DEFAULT_SCRIPT */ + /* as the second tag. We change that to HB_TAG_NONE except for the */ + /* default script. */ + if ( default_script ) + { + if ( script_tags[0] == HB_TAG_NONE ) + script_tags[0] = HB_OT_TAG_DEFAULT_SCRIPT; + else + { + if ( script_tags[1] == HB_TAG_NONE ) + script_tags[1] = HB_OT_TAG_DEFAULT_SCRIPT; + else if ( script_tags[1] != HB_OT_TAG_DEFAULT_SCRIPT ) + script_tags[2] = HB_OT_TAG_DEFAULT_SCRIPT; + } + } + else + { + /* we use non-standard tags like `khms' for special purposes; */ + /* HarfBuzz maps them to `DFLT', which we don't want to handle here */ + if ( script_tags[0] == HB_OT_TAG_DEFAULT_SCRIPT ) + goto Exit; + + if ( script_tags[1] == HB_OT_TAG_DEFAULT_SCRIPT ) + script_tags[1] = HB_TAG_NONE; + } + + gsub_lookups = hb_set_create(); + hb_ot_layout_collect_lookups( face, + HB_OT_TAG_GSUB, + script_tags, + NULL, + coverage_tags, + gsub_lookups ); + + if ( hb_set_is_empty( gsub_lookups ) ) + goto Exit; /* nothing to do */ + + FT_TRACE4(( "GSUB lookups (style `%s'):\n" + " ", + af_style_names[style_class->style] )); + +#ifdef FT_DEBUG_LEVEL_TRACE + count = 0; +#endif + + gsub_glyphs = hb_set_create(); + for ( idx = HB_SET_VALUE_INVALID; hb_set_next( gsub_lookups, &idx ); ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE4(( " %d", idx )); + count++; +#endif + + /* get output coverage of GSUB feature */ + hb_ot_layout_lookup_collect_glyphs( face, + HB_OT_TAG_GSUB, + idx, + NULL, + NULL, + NULL, + gsub_glyphs ); + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !count ) + FT_TRACE4(( " (none)" )); + FT_TRACE4(( "\n\n" )); +#endif + + FT_TRACE4(( "GPOS lookups (style `%s'):\n" + " ", + af_style_names[style_class->style] )); + + gpos_lookups = hb_set_create(); + hb_ot_layout_collect_lookups( face, + HB_OT_TAG_GPOS, + script_tags, + NULL, + coverage_tags, + gpos_lookups ); + +#ifdef FT_DEBUG_LEVEL_TRACE + count = 0; +#endif + + gpos_glyphs = hb_set_create(); + for ( idx = HB_SET_VALUE_INVALID; hb_set_next( gpos_lookups, &idx ); ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE4(( " %d", idx )); + count++; +#endif + + /* get input coverage of GPOS feature */ + hb_ot_layout_lookup_collect_glyphs( face, + HB_OT_TAG_GPOS, + idx, + NULL, + gpos_glyphs, + NULL, + NULL ); + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !count ) + FT_TRACE4(( " (none)" )); + FT_TRACE4(( "\n\n" )); +#endif + + /* + * We now check whether we can construct blue zones, using glyphs + * covered by the feature only. In case there is not a single zone + * (this is, not a single character is covered), we skip this coverage. + * + */ + if ( style_class->coverage != AF_COVERAGE_DEFAULT ) + { + AF_Blue_Stringset bss = style_class->blue_stringset; + const AF_Blue_StringRec* bs = &af_blue_stringsets[bss]; + + FT_Bool found = 0; + + + for ( ; bs->string != AF_BLUE_STRING_MAX; bs++ ) + { + const char* p = &af_blue_strings[bs->string]; + + + while ( *p ) + { + hb_codepoint_t ch; + + + GET_UTF8_CHAR( ch, p ); + + for ( idx = HB_SET_VALUE_INVALID; hb_set_next( gsub_lookups, + &idx ); ) + { + hb_codepoint_t gidx = FT_Get_Char_Index( globals->face, ch ); + + + if ( hb_ot_layout_lookup_would_substitute( face, idx, + &gidx, 1, 1 ) ) + { + found = 1; + break; + } + } + } + } + + if ( !found ) + { + FT_TRACE4(( " no blue characters found; style skipped\n" )); + goto Exit; + } + } + + /* + * Various OpenType features might use the same glyphs at different + * vertical positions; for example, superscript and subscript glyphs + * could be the same. However, the auto-hinter is completely + * agnostic of OpenType features after the feature analysis has been + * completed: The engine then simply receives a glyph index and returns a + * hinted and usually rendered glyph. + * + * Consider the superscript feature of font `pala.ttf': Some of the + * glyphs are `real', this is, they have a zero vertical offset, but + * most of them are small caps glyphs shifted up to the superscript + * position (this is, the `sups' feature is present in both the GSUB and + * GPOS tables). The code for blue zones computation actually uses a + * feature's y offset so that the `real' glyphs get correct hints. But + * later on it is impossible to decide whether a glyph index belongs to, + * say, the small caps or superscript feature. + * + * For this reason, we don't assign a style to a glyph if the current + * feature covers the glyph in both the GSUB and the GPOS tables. This + * is quite a broad condition, assuming that + * + * (a) glyphs that get used in multiple features are present in a + * feature without vertical shift, + * + * and + * + * (b) a feature's GPOS data really moves the glyph vertically. + * + * Not fulfilling condition (a) makes a font larger; it would also + * reduce the number of glyphs that could be addressed directly without + * using OpenType features, so this assumption is rather strong. + * + * Condition (b) is much weaker, and there might be glyphs which get + * missed. However, the OpenType features we are going to handle are + * primarily located in GSUB, and HarfBuzz doesn't provide an API to + * directly get the necessary information from the GPOS table. A + * possible solution might be to directly parse the GPOS table to find + * out whether a glyph gets shifted vertically, but this is something I + * would like to avoid if not really necessary. + * + * Note that we don't follow this logic for the default coverage. + * Complex scripts like Devanagari have mandatory GPOS features to + * position many glyph elements, using mark-to-base or mark-to-ligature + * tables; the number of glyphs missed due to condition (b) would be far + * too large. + * + */ + if ( style_class->coverage != AF_COVERAGE_DEFAULT ) + hb_set_subtract( gsub_glyphs, gpos_glyphs ); + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE4(( " glyphs without GPOS data (`*' means already assigned)" )); + count = 0; +#endif + + for ( idx = HB_SET_VALUE_INVALID; hb_set_next( gsub_glyphs, &idx ); ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !( count % 10 ) ) + FT_TRACE4(( "\n" + " " )); + + FT_TRACE4(( " %d", idx )); + count++; +#endif + + /* glyph indices returned by `hb_ot_layout_lookup_collect_glyphs' */ + /* can be arbitrary: some fonts use fake indices for processing */ + /* internal to GSUB or GPOS, which is fully valid */ + if ( idx >= (hb_codepoint_t)globals->glyph_count ) + continue; + + if ( gstyles[idx] == AF_STYLE_UNASSIGNED ) + gstyles[idx] = (FT_UShort)style_class->style; +#ifdef FT_DEBUG_LEVEL_TRACE + else + FT_TRACE4(( "*" )); +#endif + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !count ) + FT_TRACE4(( "\n" + " (none)" )); + FT_TRACE4(( "\n\n" )); +#endif + + Exit: + hb_set_destroy( gsub_lookups ); + hb_set_destroy( gsub_glyphs ); + hb_set_destroy( gpos_lookups ); + hb_set_destroy( gpos_glyphs ); + + return FT_Err_Ok; + } + + + /* construct HarfBuzz features */ +#undef COVERAGE +#define COVERAGE( name, NAME, description, \ + tag1, tag2, tag3, tag4 ) \ + static const hb_feature_t name ## _feature[] = \ + { \ + { \ + HB_TAG( tag1, tag2, tag3, tag4 ), \ + 1, 0, (unsigned int)-1 \ + } \ + }; + + +#include "afcover.h" + + + /* define mapping between HarfBuzz features and AF_Coverage */ +#undef COVERAGE +#define COVERAGE( name, NAME, description, \ + tag1, tag2, tag3, tag4 ) \ + name ## _feature, + + + static const hb_feature_t* features[] = + { +#include "afcover.h" + + NULL /* AF_COVERAGE_DEFAULT */ + }; + + + void* + af_shaper_buf_create( FT_Face face ) + { + FT_UNUSED( face ); + + return (void*)hb_buffer_create(); + } + + + void + af_shaper_buf_destroy( FT_Face face, + void* buf ) + { + FT_UNUSED( face ); + + hb_buffer_destroy( (hb_buffer_t*)buf ); + } + + + const char* + af_shaper_get_cluster( const char* p, + AF_StyleMetrics metrics, + void* buf_, + unsigned int* count ) + { + AF_StyleClass style_class; + const hb_feature_t* feature; + FT_Int upem; + const char* q; + int len; + + hb_buffer_t* buf = (hb_buffer_t*)buf_; + hb_font_t* font; + hb_codepoint_t dummy; + + + upem = (FT_Int)metrics->globals->face->units_per_EM; + style_class = metrics->style_class; + feature = features[style_class->coverage]; + + font = metrics->globals->hb_font; + + /* we shape at a size of units per EM; this means font units */ + hb_font_set_scale( font, upem, upem ); + + while ( *p == ' ' ) + p++; + + /* count bytes up to next space (or end of buffer) */ + q = p; + while ( !( *q == ' ' || *q == '\0' ) ) + GET_UTF8_CHAR( dummy, q ); + len = (int)( q - p ); + + /* feed character(s) to the HarfBuzz buffer */ + hb_buffer_clear_contents( buf ); + hb_buffer_add_utf8( buf, p, len, 0, len ); + + /* we let HarfBuzz guess the script and writing direction */ + hb_buffer_guess_segment_properties( buf ); + + /* shape buffer, which means conversion from character codes to */ + /* glyph indices, possibly applying a feature */ + hb_shape( font, buf, feature, feature ? 1 : 0 ); + + if ( feature ) + { + hb_buffer_t* hb_buf = metrics->globals->hb_buf; + + unsigned int gcount; + hb_glyph_info_t* ginfo; + + unsigned int hb_gcount; + hb_glyph_info_t* hb_ginfo; + + + /* we have to check whether applying a feature does actually change */ + /* glyph indices; otherwise the affected glyph or glyphs aren't */ + /* available at all in the feature */ + + hb_buffer_clear_contents( hb_buf ); + hb_buffer_add_utf8( hb_buf, p, len, 0, len ); + hb_buffer_guess_segment_properties( hb_buf ); + hb_shape( font, hb_buf, NULL, 0 ); + + ginfo = hb_buffer_get_glyph_infos( buf, &gcount ); + hb_ginfo = hb_buffer_get_glyph_infos( hb_buf, &hb_gcount ); + + if ( gcount == hb_gcount ) + { + unsigned int i; + + + for (i = 0; i < gcount; i++ ) + if ( ginfo[i].codepoint != hb_ginfo[i].codepoint ) + break; + + if ( i == gcount ) + { + /* both buffers have identical glyph indices */ + hb_buffer_clear_contents( buf ); + } + } + } + + *count = hb_buffer_get_length( buf ); + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( feature && *count > 1 ) + FT_TRACE1(( "af_shaper_get_cluster:" + " input character mapped to multiple glyphs\n" )); +#endif + + return q; + } + + + FT_ULong + af_shaper_get_elem( AF_StyleMetrics metrics, + void* buf_, + unsigned int idx, + FT_Long* advance, + FT_Long* y_offset ) + { + hb_buffer_t* buf = (hb_buffer_t*)buf_; + hb_glyph_info_t* ginfo; + hb_glyph_position_t* gpos; + unsigned int gcount; + + FT_UNUSED( metrics ); + + + ginfo = hb_buffer_get_glyph_infos( buf, &gcount ); + gpos = hb_buffer_get_glyph_positions( buf, &gcount ); + + if ( idx >= gcount ) + return 0; + + if ( advance ) + *advance = gpos[idx].x_advance; + if ( y_offset ) + *y_offset = gpos[idx].y_offset; + + return ginfo[idx].codepoint; + } + + +#else /* !FT_CONFIG_OPTION_USE_HARFBUZZ */ + + + FT_Error + af_shaper_get_coverage( AF_FaceGlobals globals, + AF_StyleClass style_class, + FT_UShort* gstyles, + FT_Bool default_script ) + { + FT_UNUSED( globals ); + FT_UNUSED( style_class ); + FT_UNUSED( gstyles ); + FT_UNUSED( default_script ); + + return FT_Err_Ok; + } + + + void* + af_shaper_buf_create( FT_Face face ) + { + FT_Error error; + FT_Memory memory = face->memory; + FT_ULong* buf; + + + FT_MEM_ALLOC( buf, sizeof ( FT_ULong ) ); + + return (void*)buf; + } + + + void + af_shaper_buf_destroy( FT_Face face, + void* buf ) + { + FT_Memory memory = face->memory; + + + FT_FREE( buf ); + } + + + const char* + af_shaper_get_cluster( const char* p, + AF_StyleMetrics metrics, + void* buf_, + unsigned int* count ) + { + FT_Face face = metrics->globals->face; + FT_ULong ch, dummy = 0; + FT_ULong* buf = (FT_ULong*)buf_; + + + while ( *p == ' ' ) + p++; + + GET_UTF8_CHAR( ch, p ); + + /* since we don't have an engine to handle clusters, */ + /* we scan the characters but return zero */ + while ( !( *p == ' ' || *p == '\0' ) ) + GET_UTF8_CHAR( dummy, p ); + + if ( dummy ) + { + *buf = 0; + *count = 0; + } + else + { + *buf = FT_Get_Char_Index( face, ch ); + *count = 1; + } + + return p; + } + + + FT_ULong + af_shaper_get_elem( AF_StyleMetrics metrics, + void* buf_, + unsigned int idx, + FT_Long* advance, + FT_Long* y_offset ) + { + FT_Face face = metrics->globals->face; + FT_ULong glyph_index = *(FT_ULong*)buf_; + + FT_UNUSED( idx ); + + + if ( advance ) + FT_Get_Advance( face, + glyph_index, + FT_LOAD_NO_SCALE | + FT_LOAD_NO_HINTING | + FT_LOAD_IGNORE_TRANSFORM, + advance ); + + if ( y_offset ) + *y_offset = 0; + + return glyph_index; + } + + +#endif /* !FT_CONFIG_OPTION_USE_HARFBUZZ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afshaper.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afshaper.h new file mode 100644 index 00000000000..7efd9f6a4e6 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afshaper.h @@ -0,0 +1,72 @@ +/***************************************************************************/ +/* */ +/* afshaper.h */ +/* */ +/* HarfBuzz interface for accessing OpenType features (specification). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFSHAPER_H_ +#define AFSHAPER_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H + + +#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ + +#include <hb.h> +#include <hb-ot.h> +#include <hb-ft.h> + +#endif + + +FT_BEGIN_HEADER + + FT_Error + af_shaper_get_coverage( AF_FaceGlobals globals, + AF_StyleClass style_class, + FT_UShort* gstyles, + FT_Bool default_script ); + + + void* + af_shaper_buf_create( FT_Face face ); + + void + af_shaper_buf_destroy( FT_Face face, + void* buf ); + + const char* + af_shaper_get_cluster( const char* p, + AF_StyleMetrics metrics, + void* buf_, + unsigned int* count ); + + FT_ULong + af_shaper_get_elem( AF_StyleMetrics metrics, + void* buf_, + unsigned int idx, + FT_Long* x_advance, + FT_Long* y_offset ); + + /* */ + +FT_END_HEADER + +#endif /* AFSHAPER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afstyles.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afstyles.h new file mode 100644 index 00000000000..e2688b3fc25 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afstyles.h @@ -0,0 +1,475 @@ +/***************************************************************************/ +/* */ +/* afstyles.h */ +/* */ +/* Auto-fitter styles (specification only). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /* The following part can be included multiple times. */ + /* Define `STYLE' as needed. */ + + + /* Add new styles here. The first and second arguments are the */ + /* style name in lowercase and uppercase, respectively, followed */ + /* by a description string. The next arguments are the */ + /* corresponding writing system, script, blue stringset, and */ + /* coverage. */ + /* */ + /* Note that styles using `AF_COVERAGE_DEFAULT' should always */ + /* come after styles with other coverages. Also note that */ + /* fallback scripts only use `AF_COVERAGE_DEFAULT' for its */ + /* style. */ + /* */ + /* Example: */ + /* */ + /* STYLE( cyrl_dflt, CYRL_DFLT, */ + /* "Cyrillic default style", */ + /* AF_WRITING_SYSTEM_LATIN, */ + /* AF_SCRIPT_CYRL, */ + /* AF_BLUE_STRINGSET_CYRL, */ + /* AF_COVERAGE_DEFAULT ) */ + +#undef STYLE_LATIN +#define STYLE_LATIN( s, S, f, F, ds, df, C ) \ + STYLE( s ## _ ## f, S ## _ ## F, \ + ds " " df " style", \ + AF_WRITING_SYSTEM_LATIN, \ + AF_SCRIPT_ ## S, \ + AF_BLUE_STRINGSET_ ## S, \ + AF_COVERAGE_ ## C ) + +#undef META_STYLE_LATIN +#define META_STYLE_LATIN( s, S, ds ) \ + STYLE_LATIN( s, S, c2cp, C2CP, ds, \ + "petite capitals from capitals", \ + PETITE_CAPITALS_FROM_CAPITALS ) \ + STYLE_LATIN( s, S, c2sc, C2SC, ds, \ + "small capitals from capitals", \ + SMALL_CAPITALS_FROM_CAPITALS ) \ + STYLE_LATIN( s, S, ordn, ORDN, ds, \ + "ordinals", \ + ORDINALS ) \ + STYLE_LATIN( s, S, pcap, PCAP, ds, \ + "petite capitals", \ + PETITE_CAPITALS ) \ + STYLE_LATIN( s, S, sinf, SINF, ds, \ + "scientific inferiors", \ + SCIENTIFIC_INFERIORS ) \ + STYLE_LATIN( s, S, smcp, SMCP, ds, \ + "small capitals", \ + SMALL_CAPITALS ) \ + STYLE_LATIN( s, S, subs, SUBS, ds, \ + "subscript", \ + SUBSCRIPT ) \ + STYLE_LATIN( s, S, sups, SUPS, ds, \ + "superscript", \ + SUPERSCRIPT ) \ + STYLE_LATIN( s, S, titl, TITL, ds, \ + "titling", \ + TITLING ) \ + STYLE_LATIN( s, S, dflt, DFLT, ds, \ + "default", \ + DEFAULT ) + + + STYLE( adlm_dflt, ADLM_DFLT, + "Adlam default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_ADLM, + AF_BLUE_STRINGSET_ADLM, + AF_COVERAGE_DEFAULT ) + + STYLE( arab_dflt, ARAB_DFLT, + "Arabic default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_ARAB, + AF_BLUE_STRINGSET_ARAB, + AF_COVERAGE_DEFAULT ) + + STYLE( armn_dflt, ARMN_DFLT, + "Armenian default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_ARMN, + AF_BLUE_STRINGSET_ARMN, + AF_COVERAGE_DEFAULT ) + + STYLE( avst_dflt, AVST_DFLT, + "Avestan default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_AVST, + AF_BLUE_STRINGSET_AVST, + AF_COVERAGE_DEFAULT ) + + STYLE( bamu_dflt, BAMU_DFLT, + "Bamum default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_BAMU, + AF_BLUE_STRINGSET_BAMU, + AF_COVERAGE_DEFAULT ) + + STYLE( beng_dflt, BENG_DFLT, + "Bengali default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_BENG, + AF_BLUE_STRINGSET_BENG, + AF_COVERAGE_DEFAULT ) + + STYLE( buhd_dflt, BUHD_DFLT, + "Buhid default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_BUHD, + AF_BLUE_STRINGSET_BUHD, + AF_COVERAGE_DEFAULT ) + + STYLE( cakm_dflt, CAKM_DFLT, + "Chakma default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_CAKM, + AF_BLUE_STRINGSET_CAKM, + AF_COVERAGE_DEFAULT ) + + STYLE( cans_dflt, CANS_DFLT, + "Canadian Syllabics default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_CANS, + AF_BLUE_STRINGSET_CANS, + AF_COVERAGE_DEFAULT ) + + STYLE( cari_dflt, CARI_DFLT, + "Carian default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_CARI, + AF_BLUE_STRINGSET_CARI, + AF_COVERAGE_DEFAULT ) + + STYLE( cher_dflt, CHER_DFLT, + "Cherokee default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_CHER, + AF_BLUE_STRINGSET_CHER, + AF_COVERAGE_DEFAULT ) + + STYLE( copt_dflt, COPT_DFLT, + "Coptic default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_COPT, + AF_BLUE_STRINGSET_COPT, + AF_COVERAGE_DEFAULT ) + + STYLE( cprt_dflt, CPRT_DFLT, + "Cypriot default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_CPRT, + AF_BLUE_STRINGSET_CPRT, + AF_COVERAGE_DEFAULT ) + + META_STYLE_LATIN( cyrl, CYRL, "Cyrillic" ) + + STYLE( deva_dflt, DEVA_DFLT, + "Devanagari default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_DEVA, + AF_BLUE_STRINGSET_DEVA, + AF_COVERAGE_DEFAULT ) + + STYLE( dsrt_dflt, DSRT_DFLT, + "Deseret default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_DSRT, + AF_BLUE_STRINGSET_DSRT, + AF_COVERAGE_DEFAULT ) + + STYLE( ethi_dflt, ETHI_DFLT, + "Ethiopic default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_ETHI, + AF_BLUE_STRINGSET_ETHI, + AF_COVERAGE_DEFAULT ) + + STYLE( geor_dflt, GEOR_DFLT, + "Georgian (Mkhedruli) default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_GEOR, + AF_BLUE_STRINGSET_GEOR, + AF_COVERAGE_DEFAULT ) + + STYLE( geok_dflt, GEOK_DFLT, + "Georgian (Khutsuri) default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_GEOK, + AF_BLUE_STRINGSET_GEOK, + AF_COVERAGE_DEFAULT ) + + STYLE( glag_dflt, GLAG_DFLT, + "Glagolitic default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_GLAG, + AF_BLUE_STRINGSET_GLAG, + AF_COVERAGE_DEFAULT ) + + STYLE( goth_dflt, GOTH_DFLT, + "Gothic default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_GOTH, + AF_BLUE_STRINGSET_GOTH, + AF_COVERAGE_DEFAULT ) + + META_STYLE_LATIN( grek, GREK, "Greek" ) + + STYLE( gujr_dflt, GUJR_DFLT, + "Gujarati default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_GUJR, + AF_BLUE_STRINGSET_GUJR, + AF_COVERAGE_DEFAULT ) + + STYLE( guru_dflt, GURU_DFLT, + "Gurmukhi default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_GURU, + AF_BLUE_STRINGSET_GURU, + AF_COVERAGE_DEFAULT ) + + STYLE( hebr_dflt, HEBR_DFLT, + "Hebrew default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_HEBR, + AF_BLUE_STRINGSET_HEBR, + AF_COVERAGE_DEFAULT ) + + STYLE( kali_dflt, KALI_DFLT, + "Kayah Li default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_KALI, + AF_BLUE_STRINGSET_KALI, + AF_COVERAGE_DEFAULT ) + + STYLE( khmr_dflt, KHMR_DFLT, + "Khmer default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_KHMR, + AF_BLUE_STRINGSET_KHMR, + AF_COVERAGE_DEFAULT ) + + STYLE( khms_dflt, KHMS_DFLT, + "Khmer Symbols default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_KHMS, + AF_BLUE_STRINGSET_KHMS, + AF_COVERAGE_DEFAULT ) + + STYLE( knda_dflt, KNDA_DFLT, + "Kannada default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_KNDA, + AF_BLUE_STRINGSET_KNDA, + AF_COVERAGE_DEFAULT ) + + STYLE( lao_dflt, LAO_DFLT, + "Lao default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_LAO, + AF_BLUE_STRINGSET_LAO, + AF_COVERAGE_DEFAULT ) + + META_STYLE_LATIN( latn, LATN, "Latin" ) + + STYLE( latb_dflt, LATB_DFLT, + "Latin subscript fallback default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_LATB, + AF_BLUE_STRINGSET_LATB, + AF_COVERAGE_DEFAULT ) + + STYLE( latp_dflt, LATP_DFLT, + "Latin superscript fallback default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_LATP, + AF_BLUE_STRINGSET_LATP, + AF_COVERAGE_DEFAULT ) + +#ifdef FT_OPTION_AUTOFIT2 + STYLE( ltn2_dflt, LTN2_DFLT, + "Latin 2 default style", + AF_WRITING_SYSTEM_LATIN2, + AF_SCRIPT_LATN, + AF_BLUE_STRINGSET_LATN, + AF_COVERAGE_DEFAULT ) +#endif + + STYLE( lisu_dflt, LISU_DFLT, + "Lisu default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_LISU, + AF_BLUE_STRINGSET_LISU, + AF_COVERAGE_DEFAULT ) + + STYLE( mlym_dflt, MLYM_DFLT, + "Malayalam default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_MLYM, + AF_BLUE_STRINGSET_MLYM, + AF_COVERAGE_DEFAULT ) + + STYLE( mymr_dflt, MYMR_DFLT, + "Myanmar default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_MYMR, + AF_BLUE_STRINGSET_MYMR, + AF_COVERAGE_DEFAULT ) + + STYLE( nkoo_dflt, NKOO_DFLT, + "N'Ko default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_NKOO, + AF_BLUE_STRINGSET_NKOO, + AF_COVERAGE_DEFAULT ) + + STYLE( none_dflt, NONE_DFLT, + "no style", + AF_WRITING_SYSTEM_DUMMY, + AF_SCRIPT_NONE, + AF_BLUE_STRINGSET_NONE, + AF_COVERAGE_DEFAULT ) + + STYLE( olck_dflt, OLCK_DFLT, + "Ol Chiki default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_OLCK, + AF_BLUE_STRINGSET_OLCK, + AF_COVERAGE_DEFAULT ) + + STYLE( orkh_dflt, ORKH_DFLT, + "Old Turkic default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_ORKH, + AF_BLUE_STRINGSET_ORKH, + AF_COVERAGE_DEFAULT ) + + STYLE( osge_dflt, OSGE_DFLT, + "Osage default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_OSGE, + AF_BLUE_STRINGSET_OSGE, + AF_COVERAGE_DEFAULT ) + + STYLE( osma_dflt, OSMA_DFLT, + "Osmanya default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_OSMA, + AF_BLUE_STRINGSET_OSMA, + AF_COVERAGE_DEFAULT ) + + STYLE( saur_dflt, SAUR_DFLT, + "Saurashtra default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_SAUR, + AF_BLUE_STRINGSET_SAUR, + AF_COVERAGE_DEFAULT ) + + STYLE( shaw_dflt, SHAW_DFLT, + "Shavian default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_SHAW, + AF_BLUE_STRINGSET_SHAW, + AF_COVERAGE_DEFAULT ) + + STYLE( sinh_dflt, SINH_DFLT, + "Sinhala default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_SINH, + AF_BLUE_STRINGSET_SINH, + AF_COVERAGE_DEFAULT ) + + STYLE( sund_dflt, SUND_DFLT, + "Sundanese default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_SUND, + AF_BLUE_STRINGSET_SUND, + AF_COVERAGE_DEFAULT ) + + STYLE( taml_dflt, TAML_DFLT, + "Tamil default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_TAML, + AF_BLUE_STRINGSET_TAML, + AF_COVERAGE_DEFAULT ) + + STYLE( tavt_dflt, TAVT_DFLT, + "Tai Viet default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_TAVT, + AF_BLUE_STRINGSET_TAVT, + AF_COVERAGE_DEFAULT ) + + STYLE( telu_dflt, TELU_DFLT, + "Telugu default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_TELU, + AF_BLUE_STRINGSET_TELU, + AF_COVERAGE_DEFAULT ) + + STYLE( tfng_dflt, TFNG_DFLT, + "Tifinagh default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_TFNG, + AF_BLUE_STRINGSET_TFNG, + AF_COVERAGE_DEFAULT ) + + STYLE( thai_dflt, THAI_DFLT, + "Thai default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_THAI, + AF_BLUE_STRINGSET_THAI, + AF_COVERAGE_DEFAULT ) + + STYLE( vaii_dflt, VAII_DFLT, + "Vai default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_VAII, + AF_BLUE_STRINGSET_VAII, + AF_COVERAGE_DEFAULT ) + +#ifdef AF_CONFIG_OPTION_INDIC + + /* no blue stringset support for the Indic writing system yet */ +#undef STYLE_DEFAULT_INDIC +#define STYLE_DEFAULT_INDIC( s, S, d ) \ + STYLE( s ## _dflt, S ## _DFLT, \ + d " default style", \ + AF_WRITING_SYSTEM_INDIC, \ + AF_SCRIPT_ ## S, \ + (AF_Blue_Stringset)0, \ + AF_COVERAGE_DEFAULT ) + + STYLE_DEFAULT_INDIC( limb, LIMB, "Limbu" ) + STYLE_DEFAULT_INDIC( orya, ORYA, "Oriya" ) + STYLE_DEFAULT_INDIC( sylo, SYLO, "Syloti Nagri" ) + STYLE_DEFAULT_INDIC( tibt, TIBT, "Tibetan" ) + +#endif /* AF_CONFIG_OPTION_INDIC */ + +#ifdef AF_CONFIG_OPTION_CJK + + STYLE( hani_dflt, HANI_DFLT, + "CJKV ideographs default style", + AF_WRITING_SYSTEM_CJK, + AF_SCRIPT_HANI, + AF_BLUE_STRINGSET_HANI, + AF_COVERAGE_DEFAULT ) + +#endif /* AF_CONFIG_OPTION_CJK */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aftypes.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aftypes.h new file mode 100644 index 00000000000..a50013439bf --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/aftypes.h @@ -0,0 +1,651 @@ +/***************************************************************************/ +/* */ +/* aftypes.h */ +/* */ +/* Auto-fitter types (specification only). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /************************************************************************* + * + * The auto-fitter is a complete rewrite of the old auto-hinter. + * Its main feature is the ability to differentiate between different + * writing systems and scripts in order to apply specific rules. + * + * The code has also been compartmentalized into several entities that + * should make algorithmic experimentation easier than with the old + * code. + * + *************************************************************************/ + + +#ifndef AFTYPES_H_ +#define AFTYPES_H_ + +#include <ft2build.h> + +#include FT_FREETYPE_H +#include FT_OUTLINE_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H + +#include "afblue.h" + +#ifdef FT_DEBUG_AUTOFIT +#include FT_CONFIG_STANDARD_LIBRARY_H +#endif + + +FT_BEGIN_HEADER + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** D E B U G G I N G *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#ifdef FT_DEBUG_AUTOFIT + +extern int _af_debug_disable_horz_hints; +extern int _af_debug_disable_vert_hints; +extern int _af_debug_disable_blue_hints; +extern void* _af_debug_hints; + +#endif /* FT_DEBUG_AUTOFIT */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** U T I L I T Y S T U F F *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef struct AF_WidthRec_ + { + FT_Pos org; /* original position/width in font units */ + FT_Pos cur; /* current/scaled position/width in device sub-pixels */ + FT_Pos fit; /* current/fitted position/width in device sub-pixels */ + + } AF_WidthRec, *AF_Width; + + + FT_LOCAL( void ) + af_sort_pos( FT_UInt count, + FT_Pos* table ); + + FT_LOCAL( void ) + af_sort_and_quantize_widths( FT_UInt* count, + AF_Width widths, + FT_Pos threshold ); + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** A N G L E T Y P E S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* + * The auto-fitter doesn't need a very high angular accuracy; + * this allows us to speed up some computations considerably with a + * light Cordic algorithm (see afangles.c). + */ + + typedef FT_Int AF_Angle; + + +#define AF_ANGLE_PI 256 +#define AF_ANGLE_2PI ( AF_ANGLE_PI * 2 ) +#define AF_ANGLE_PI2 ( AF_ANGLE_PI / 2 ) +#define AF_ANGLE_PI4 ( AF_ANGLE_PI / 4 ) + + +#if 0 + /* + * compute the angle of a given 2-D vector + */ + FT_LOCAL( AF_Angle ) + af_angle_atan( FT_Pos dx, + FT_Pos dy ); + + + /* + * compute `angle2 - angle1'; the result is always within + * the range [-AF_ANGLE_PI .. AF_ANGLE_PI - 1] + */ + FT_LOCAL( AF_Angle ) + af_angle_diff( AF_Angle angle1, + AF_Angle angle2 ); +#endif /* 0 */ + + +#define AF_ANGLE_DIFF( result, angle1, angle2 ) \ + FT_BEGIN_STMNT \ + AF_Angle _delta = (angle2) - (angle1); \ + \ + \ + while ( _delta <= -AF_ANGLE_PI ) \ + _delta += AF_ANGLE_2PI; \ + \ + while ( _delta > AF_ANGLE_PI ) \ + _delta -= AF_ANGLE_2PI; \ + \ + result = _delta; \ + FT_END_STMNT + + + /* opaque handle to glyph-specific hints -- see `afhints.h' for more + * details + */ + typedef struct AF_GlyphHintsRec_* AF_GlyphHints; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** S C A L E R S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* + * A scaler models the target pixel device that will receive the + * auto-hinted glyph image. + */ + +#define AF_SCALER_FLAG_NO_HORIZONTAL 1U /* disable horizontal hinting */ +#define AF_SCALER_FLAG_NO_VERTICAL 2U /* disable vertical hinting */ +#define AF_SCALER_FLAG_NO_ADVANCE 4U /* disable advance hinting */ +#define AF_SCALER_FLAG_NO_WARPER 8U /* disable warper */ + + + typedef struct AF_ScalerRec_ + { + FT_Face face; /* source font face */ + FT_Fixed x_scale; /* from font units to 1/64th device pixels */ + FT_Fixed y_scale; /* from font units to 1/64th device pixels */ + FT_Pos x_delta; /* in 1/64th device pixels */ + FT_Pos y_delta; /* in 1/64th device pixels */ + FT_Render_Mode render_mode; /* monochrome, anti-aliased, LCD, etc. */ + FT_UInt32 flags; /* additional control flags, see above */ + + } AF_ScalerRec, *AF_Scaler; + + +#define AF_SCALER_EQUAL_SCALES( a, b ) \ + ( (a)->x_scale == (b)->x_scale && \ + (a)->y_scale == (b)->y_scale && \ + (a)->x_delta == (b)->x_delta && \ + (a)->y_delta == (b)->y_delta ) + + + typedef struct AF_StyleMetricsRec_* AF_StyleMetrics; + + /* This function parses an FT_Face to compute global metrics for + * a specific style. + */ + typedef FT_Error + (*AF_WritingSystem_InitMetricsFunc)( AF_StyleMetrics metrics, + FT_Face face ); + + typedef void + (*AF_WritingSystem_ScaleMetricsFunc)( AF_StyleMetrics metrics, + AF_Scaler scaler ); + + typedef void + (*AF_WritingSystem_DoneMetricsFunc)( AF_StyleMetrics metrics ); + + typedef void + (*AF_WritingSystem_GetStdWidthsFunc)( AF_StyleMetrics metrics, + FT_Pos* stdHW, + FT_Pos* stdVW ); + + + typedef FT_Error + (*AF_WritingSystem_InitHintsFunc)( AF_GlyphHints hints, + AF_StyleMetrics metrics ); + + typedef FT_Error + (*AF_WritingSystem_ApplyHintsFunc)( FT_UInt glyph_index, + AF_GlyphHints hints, + FT_Outline* outline, + AF_StyleMetrics metrics ); + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** W R I T I N G S Y S T E M S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* + * For the auto-hinter, a writing system consists of multiple scripts that + * can be handled similarly *in a typographical way*; the relationship is + * not based on history. For example, both the Greek and the unrelated + * Armenian scripts share the same features like ascender, descender, + * x-height, etc. Essentially, a writing system is covered by a + * submodule of the auto-fitter; it contains + * + * - a specific global analyzer that computes global metrics specific to + * the script (based on script-specific characters to identify ascender + * height, x-height, etc.), + * + * - a specific glyph analyzer that computes segments and edges for each + * glyph covered by the script, + * + * - a specific grid-fitting algorithm that distorts the scaled glyph + * outline according to the results of the glyph analyzer. + */ + +#define AFWRTSYS_H_ /* don't load header files */ +#undef WRITING_SYSTEM +#define WRITING_SYSTEM( ws, WS ) \ + AF_WRITING_SYSTEM_ ## WS, + + /* The list of known writing systems. */ + typedef enum AF_WritingSystem_ + { + +#include "afwrtsys.h" + + AF_WRITING_SYSTEM_MAX /* do not remove */ + + } AF_WritingSystem; + +#undef AFWRTSYS_H_ + + + typedef struct AF_WritingSystemClassRec_ + { + AF_WritingSystem writing_system; + + FT_Offset style_metrics_size; + AF_WritingSystem_InitMetricsFunc style_metrics_init; + AF_WritingSystem_ScaleMetricsFunc style_metrics_scale; + AF_WritingSystem_DoneMetricsFunc style_metrics_done; + AF_WritingSystem_GetStdWidthsFunc style_metrics_getstdw; + + AF_WritingSystem_InitHintsFunc style_hints_init; + AF_WritingSystem_ApplyHintsFunc style_hints_apply; + + } AF_WritingSystemClassRec; + + typedef const AF_WritingSystemClassRec* AF_WritingSystemClass; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** S C R I P T S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* + * Each script is associated with two sets of Unicode ranges to test + * whether the font face supports the script, and which non-base + * characters the script contains. + * + * We use four-letter script tags from the OpenType specification, + * extended by `NONE', which indicates `no script'. + */ + +#undef SCRIPT +#define SCRIPT( s, S, d, h, H, ss ) \ + AF_SCRIPT_ ## S, + + /* The list of known scripts. */ + typedef enum AF_Script_ + { + +#include "afscript.h" + + AF_SCRIPT_MAX /* do not remove */ + + } AF_Script; + + + typedef struct AF_Script_UniRangeRec_ + { + FT_UInt32 first; + FT_UInt32 last; + + } AF_Script_UniRangeRec; + +#define AF_UNIRANGE_REC( a, b ) { (FT_UInt32)(a), (FT_UInt32)(b) } + + typedef const AF_Script_UniRangeRec* AF_Script_UniRange; + + + typedef struct AF_ScriptClassRec_ + { + AF_Script script; + + /* last element in the ranges must be { 0, 0 } */ + AF_Script_UniRange script_uni_ranges; + AF_Script_UniRange script_uni_nonbase_ranges; + + FT_Bool top_to_bottom_hinting; + + const char* standard_charstring; /* for default width and height */ + + } AF_ScriptClassRec; + + typedef const AF_ScriptClassRec* AF_ScriptClass; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** C O V E R A G E S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* + * Usually, a font contains more glyphs than can be addressed by its + * character map. + * + * In the PostScript font world, encoding vectors specific to a given + * task are used to select such glyphs, and these glyphs can be often + * recognized by having a suffix in its glyph names. For example, a + * superscript glyph `A' might be called `A.sup'. Unfortunately, this + * naming scheme is not standardized and thus unusable for us. + * + * In the OpenType world, a better solution was invented, namely + * `features', which cleanly separate a character's input encoding from + * the corresponding glyph's appearance, and which don't use glyph names + * at all. For our purposes, and slightly generalized, an OpenType + * feature is a name of a mapping that maps character codes to + * non-standard glyph indices (features get used for other things also). + * For example, the `sups' feature provides superscript glyphs, thus + * mapping character codes like `A' or `B' to superscript glyph + * representation forms. How this mapping happens is completely + * uninteresting to us. + * + * For the auto-hinter, a `coverage' represents all glyphs of an OpenType + * feature collected in a set (as listed below) that can be hinted + * together. To continue the above example, superscript glyphs must not + * be hinted together with normal glyphs because the blue zones + * completely differ. + * + * Note that FreeType itself doesn't compute coverages; it only provides + * the glyphs addressable by the default Unicode character map. Instead, + * we use the HarfBuzz library (if available), which has many functions + * exactly for this purpose. + * + * AF_COVERAGE_DEFAULT is special: It should cover everything that isn't + * listed separately (including the glyphs addressable by the character + * map). In case HarfBuzz isn't available, it exactly covers the glyphs + * addressable by the character map. + * + */ + +#undef COVERAGE +#define COVERAGE( name, NAME, description, \ + tag1, tag2, tag3, tag4 ) \ + AF_COVERAGE_ ## NAME, + + + typedef enum AF_Coverage_ + { +#include "afcover.h" + + AF_COVERAGE_DEFAULT + + } AF_Coverage; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** S T Y L E S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* + * The topmost structure for modelling the auto-hinter glyph input data + * is a `style class', grouping everything together. + */ + +#undef STYLE +#define STYLE( s, S, d, ws, sc, ss, c ) \ + AF_STYLE_ ## S, + + /* The list of known styles. */ + typedef enum AF_Style_ + { + +#include "afstyles.h" + + AF_STYLE_MAX /* do not remove */ + + } AF_Style; + + + typedef struct AF_StyleClassRec_ + { + AF_Style style; + + AF_WritingSystem writing_system; + AF_Script script; + AF_Blue_Stringset blue_stringset; + AF_Coverage coverage; + + } AF_StyleClassRec; + + typedef const AF_StyleClassRec* AF_StyleClass; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** S T Y L E M E T R I C S *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef struct AF_FaceGlobalsRec_* AF_FaceGlobals; + + /* This is the main structure that combines everything. Autofit modules */ + /* specific to writing systems derive their structures from it, for */ + /* example `AF_LatinMetrics'. */ + + typedef struct AF_StyleMetricsRec_ + { + AF_StyleClass style_class; + AF_ScalerRec scaler; + FT_Bool digits_have_same_width; + + AF_FaceGlobals globals; /* to access properties */ + + } AF_StyleMetricsRec; + + +#define AF_HINTING_BOTTOM_TO_TOP 0 +#define AF_HINTING_TOP_TO_BOTTOM 1 + + + /* Declare and define vtables for classes */ +#ifndef FT_CONFIG_OPTION_PIC + +#define AF_DECLARE_WRITING_SYSTEM_CLASS( writing_system_class ) \ + FT_CALLBACK_TABLE const AF_WritingSystemClassRec \ + writing_system_class; + +#define AF_DEFINE_WRITING_SYSTEM_CLASS( \ + writing_system_class, \ + system, \ + m_size, \ + m_init, \ + m_scale, \ + m_done, \ + m_stdw, \ + h_init, \ + h_apply ) \ + FT_CALLBACK_TABLE_DEF \ + const AF_WritingSystemClassRec writing_system_class = \ + { \ + system, \ + \ + m_size, \ + \ + m_init, \ + m_scale, \ + m_done, \ + m_stdw, \ + \ + h_init, \ + h_apply \ + }; + + +#define AF_DECLARE_SCRIPT_CLASS( script_class ) \ + FT_CALLBACK_TABLE const AF_ScriptClassRec \ + script_class; + +#define AF_DEFINE_SCRIPT_CLASS( \ + script_class, \ + script, \ + ranges, \ + nonbase_ranges, \ + top_to_bottom, \ + std_charstring ) \ + FT_CALLBACK_TABLE_DEF \ + const AF_ScriptClassRec script_class = \ + { \ + script, \ + ranges, \ + nonbase_ranges, \ + top_to_bottom, \ + std_charstring, \ + }; + + +#define AF_DECLARE_STYLE_CLASS( style_class ) \ + FT_CALLBACK_TABLE const AF_StyleClassRec \ + style_class; + +#define AF_DEFINE_STYLE_CLASS( \ + style_class, \ + style, \ + writing_system, \ + script, \ + blue_stringset, \ + coverage ) \ + FT_CALLBACK_TABLE_DEF \ + const AF_StyleClassRec style_class = \ + { \ + style, \ + writing_system, \ + script, \ + blue_stringset, \ + coverage \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define AF_DECLARE_WRITING_SYSTEM_CLASS( writing_system_class ) \ + FT_LOCAL( void ) \ + FT_Init_Class_ ## writing_system_class( AF_WritingSystemClassRec* ac ); + +#define AF_DEFINE_WRITING_SYSTEM_CLASS( \ + writing_system_class, \ + system, \ + m_size, \ + m_init, \ + m_scale, \ + m_done, \ + m_stdw, \ + h_init, \ + h_apply ) \ + FT_LOCAL_DEF( void ) \ + FT_Init_Class_ ## writing_system_class( AF_WritingSystemClassRec* ac ) \ + { \ + ac->writing_system = system; \ + \ + ac->style_metrics_size = m_size; \ + \ + ac->style_metrics_init = m_init; \ + ac->style_metrics_scale = m_scale; \ + ac->style_metrics_done = m_done; \ + ac->style_metrics_getstdw = m_stdw; \ + \ + ac->style_hints_init = h_init; \ + ac->style_hints_apply = h_apply; \ + } + + +#define AF_DECLARE_SCRIPT_CLASS( script_class ) \ + FT_LOCAL( void ) \ + FT_Init_Class_ ## script_class( AF_ScriptClassRec* ac ); + +#define AF_DEFINE_SCRIPT_CLASS( \ + script_class, \ + script_, \ + ranges, \ + nonbase_ranges, \ + top_to_bottom, \ + std_charstring ) \ + FT_LOCAL_DEF( void ) \ + FT_Init_Class_ ## script_class( AF_ScriptClassRec* ac ) \ + { \ + ac->script = script_; \ + ac->script_uni_ranges = ranges; \ + ac->script_uni_nonbase_ranges = nonbase_ranges; \ + ac->top_to_bottom_hinting = top_to_bottom; \ + ac->standard_charstring = std_charstring; \ + } + + +#define AF_DECLARE_STYLE_CLASS( style_class ) \ + FT_LOCAL( void ) \ + FT_Init_Class_ ## style_class( AF_StyleClassRec* ac ); + +#define AF_DEFINE_STYLE_CLASS( \ + style_class, \ + style_, \ + writing_system_, \ + script_, \ + blue_stringset_, \ + coverage_ ) \ + FT_LOCAL_DEF( void ) \ + FT_Init_Class_ ## style_class( AF_StyleClassRec* ac ) \ + { \ + ac->style = style_; \ + ac->writing_system = writing_system_; \ + ac->script = script_; \ + ac->blue_stringset = blue_stringset_; \ + ac->coverage = coverage_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* */ + +FT_END_HEADER + +#endif /* AFTYPES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afwarp.c b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afwarp.c new file mode 100644 index 00000000000..2a75ea7b35f --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afwarp.c @@ -0,0 +1,373 @@ +/***************************************************************************/ +/* */ +/* afwarp.c */ +/* */ +/* Auto-fitter warping algorithm (body). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /* + * The idea of the warping code is to slightly scale and shift a glyph + * within a single dimension so that as much of its segments are aligned + * (more or less) on the grid. To find out the optimal scaling and + * shifting value, various parameter combinations are tried and scored. + */ + +#include "afwarp.h" + +#ifdef AF_CONFIG_OPTION_USE_WARPER + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_afwarp + + + /* The weights cover the range 0/64 - 63/64 of a pixel. Obviously, */ + /* values around a half pixel (which means exactly between two grid */ + /* lines) gets the worst weight. */ +#if 1 + static const AF_WarpScore + af_warper_weights[64] = + { + 35, 32, 30, 25, 20, 15, 12, 10, 5, 1, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, -1, -2, -5, -8,-10,-10,-20,-20,-30,-30, + + -30,-30,-20,-20,-10,-10, -8, -5, -2, -1, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 5, 10, 12, 15, 20, 25, 30, 32, + }; +#else + static const AF_WarpScore + af_warper_weights[64] = + { + 30, 20, 10, 5, 4, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, -1, -2, -2, -5, -5,-10,-10,-15,-20, + + -20,-15,-15,-10,-10, -5, -5, -2, -2, -1, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 10, 20, + }; +#endif + + + /* Score segments for a given `scale' and `delta' in the range */ + /* `xx1' to `xx2', and store the best result in `warper'. If */ + /* the new best score is equal to the old one, prefer the */ + /* value with a smaller distortion (around `base_distort'). */ + + static void + af_warper_compute_line_best( AF_Warper warper, + FT_Fixed scale, + FT_Pos delta, + FT_Pos xx1, + FT_Pos xx2, + AF_WarpScore base_distort, + AF_Segment segments, + FT_Int num_segments ) + { + FT_Int idx_min, idx_max, idx0; + FT_Int nn; + AF_WarpScore scores[65]; + + + for ( nn = 0; nn < 65; nn++ ) + scores[nn] = 0; + + idx0 = xx1 - warper->t1; + + /* compute minimum and maximum indices */ + { + FT_Pos xx1min = warper->x1min; + FT_Pos xx1max = warper->x1max; + FT_Pos w = xx2 - xx1; + + + if ( xx1min + w < warper->x2min ) + xx1min = warper->x2min - w; + + if ( xx1max + w > warper->x2max ) + xx1max = warper->x2max - w; + + idx_min = xx1min - warper->t1; + idx_max = xx1max - warper->t1; + + if ( idx_min < 0 || idx_min > idx_max || idx_max > 64 ) + { + FT_TRACE5(( "invalid indices:\n" + " min=%d max=%d, xx1=%ld xx2=%ld,\n" + " x1min=%ld x1max=%ld, x2min=%ld x2max=%ld\n", + idx_min, idx_max, xx1, xx2, + warper->x1min, warper->x1max, + warper->x2min, warper->x2max )); + return; + } + } + + for ( nn = 0; nn < num_segments; nn++ ) + { + FT_Pos len = segments[nn].max_coord - segments[nn].min_coord; + FT_Pos y0 = FT_MulFix( segments[nn].pos, scale ) + delta; + FT_Pos y = y0 + ( idx_min - idx0 ); + FT_Int idx; + + + /* score the length of the segments for the given range */ + for ( idx = idx_min; idx <= idx_max; idx++, y++ ) + scores[idx] += af_warper_weights[y & 63] * len; + } + + /* find best score */ + { + FT_Int idx; + + + for ( idx = idx_min; idx <= idx_max; idx++ ) + { + AF_WarpScore score = scores[idx]; + AF_WarpScore distort = base_distort + ( idx - idx0 ); + + + if ( score > warper->best_score || + ( score == warper->best_score && + distort < warper->best_distort ) ) + { + warper->best_score = score; + warper->best_distort = distort; + warper->best_scale = scale; + warper->best_delta = delta + ( idx - idx0 ); + } + } + } + } + + + /* Compute optimal scaling and delta values for a given glyph and */ + /* dimension. */ + + FT_LOCAL_DEF( void ) + af_warper_compute( AF_Warper warper, + AF_GlyphHints hints, + AF_Dimension dim, + FT_Fixed *a_scale, + FT_Pos *a_delta ) + { + AF_AxisHints axis; + AF_Point points; + + FT_Fixed org_scale; + FT_Pos org_delta; + + FT_Int nn, num_points, num_segments; + FT_Int X1, X2; + FT_Int w; + + AF_WarpScore base_distort; + AF_Segment segments; + + + /* get original scaling transformation */ + if ( dim == AF_DIMENSION_VERT ) + { + org_scale = hints->y_scale; + org_delta = hints->y_delta; + } + else + { + org_scale = hints->x_scale; + org_delta = hints->x_delta; + } + + warper->best_scale = org_scale; + warper->best_delta = org_delta; + warper->best_score = FT_INT_MIN; + warper->best_distort = 0; + + axis = &hints->axis[dim]; + segments = axis->segments; + num_segments = axis->num_segments; + points = hints->points; + num_points = hints->num_points; + + *a_scale = org_scale; + *a_delta = org_delta; + + /* get X1 and X2, minimum and maximum in original coordinates */ + if ( num_segments < 1 ) + return; + +#if 1 + X1 = X2 = points[0].fx; + for ( nn = 1; nn < num_points; nn++ ) + { + FT_Int X = points[nn].fx; + + + if ( X < X1 ) + X1 = X; + if ( X > X2 ) + X2 = X; + } +#else + X1 = X2 = segments[0].pos; + for ( nn = 1; nn < num_segments; nn++ ) + { + FT_Int X = segments[nn].pos; + + + if ( X < X1 ) + X1 = X; + if ( X > X2 ) + X2 = X; + } +#endif + + if ( X1 >= X2 ) + return; + + warper->x1 = FT_MulFix( X1, org_scale ) + org_delta; + warper->x2 = FT_MulFix( X2, org_scale ) + org_delta; + + warper->t1 = AF_WARPER_FLOOR( warper->x1 ); + warper->t2 = AF_WARPER_CEIL( warper->x2 ); + + /* examine a half pixel wide range around the maximum coordinates */ + warper->x1min = warper->x1 & ~31; + warper->x1max = warper->x1min + 32; + warper->x2min = warper->x2 & ~31; + warper->x2max = warper->x2min + 32; + + if ( warper->x1max > warper->x2 ) + warper->x1max = warper->x2; + + if ( warper->x2min < warper->x1 ) + warper->x2min = warper->x1; + + warper->w0 = warper->x2 - warper->x1; + + if ( warper->w0 <= 64 ) + { + warper->x1max = warper->x1; + warper->x2min = warper->x2; + } + + /* examine (at most) a pixel wide range around the natural width */ + warper->wmin = warper->x2min - warper->x1max; + warper->wmax = warper->x2max - warper->x1min; + +#if 1 + /* some heuristics to reduce the number of widths to be examined */ + { + int margin = 16; + + + if ( warper->w0 <= 128 ) + { + margin = 8; + if ( warper->w0 <= 96 ) + margin = 4; + } + + if ( warper->wmin < warper->w0 - margin ) + warper->wmin = warper->w0 - margin; + + if ( warper->wmax > warper->w0 + margin ) + warper->wmax = warper->w0 + margin; + } + + if ( warper->wmin < warper->w0 * 3 / 4 ) + warper->wmin = warper->w0 * 3 / 4; + + if ( warper->wmax > warper->w0 * 5 / 4 ) + warper->wmax = warper->w0 * 5 / 4; +#else + /* no scaling, just translation */ + warper->wmin = warper->wmax = warper->w0; +#endif + + for ( w = warper->wmin; w <= warper->wmax; w++ ) + { + FT_Fixed new_scale; + FT_Pos new_delta; + FT_Pos xx1, xx2; + + + /* compute min and max positions for given width, */ + /* assuring that they stay within the coordinate ranges */ + xx1 = warper->x1; + xx2 = warper->x2; + if ( w >= warper->w0 ) + { + xx1 -= w - warper->w0; + if ( xx1 < warper->x1min ) + { + xx2 += warper->x1min - xx1; + xx1 = warper->x1min; + } + } + else + { + xx1 -= w - warper->w0; + if ( xx1 > warper->x1max ) + { + xx2 -= xx1 - warper->x1max; + xx1 = warper->x1max; + } + } + + if ( xx1 < warper->x1 ) + base_distort = warper->x1 - xx1; + else + base_distort = xx1 - warper->x1; + + if ( xx2 < warper->x2 ) + base_distort += warper->x2 - xx2; + else + base_distort += xx2 - warper->x2; + + /* give base distortion a greater weight while scoring */ + base_distort *= 10; + + new_scale = org_scale + FT_DivFix( w - warper->w0, X2 - X1 ); + new_delta = xx1 - FT_MulFix( X1, new_scale ); + + af_warper_compute_line_best( warper, new_scale, new_delta, xx1, xx2, + base_distort, + segments, num_segments ); + } + + { + FT_Fixed best_scale = warper->best_scale; + FT_Pos best_delta = warper->best_delta; + + + hints->xmin_delta = FT_MulFix( X1, best_scale - org_scale ) + + best_delta; + hints->xmax_delta = FT_MulFix( X2, best_scale - org_scale ) + + best_delta; + + *a_scale = best_scale; + *a_delta = best_delta; + } + } + +#else /* !AF_CONFIG_OPTION_USE_WARPER */ + + /* ANSI C doesn't like empty source files */ + typedef int _af_warp_dummy; + +#endif /* !AF_CONFIG_OPTION_USE_WARPER */ + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afwarp.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afwarp.h new file mode 100644 index 00000000000..520b1be907c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afwarp.h @@ -0,0 +1,64 @@ +/***************************************************************************/ +/* */ +/* afwarp.h */ +/* */ +/* Auto-fitter warping algorithm (specification). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFWARP_H_ +#define AFWARP_H_ + +#include "afhints.h" + +FT_BEGIN_HEADER + +#define AF_WARPER_SCALE + +#define AF_WARPER_FLOOR( x ) ( (x) & ~FT_TYPEOF( x )63 ) +#define AF_WARPER_CEIL( x ) AF_WARPER_FLOOR( (x) + 63 ) + + + typedef FT_Int32 AF_WarpScore; + + typedef struct AF_WarperRec_ + { + FT_Pos x1, x2; + FT_Pos t1, t2; + FT_Pos x1min, x1max; + FT_Pos x2min, x2max; + FT_Pos w0, wmin, wmax; + + FT_Fixed best_scale; + FT_Pos best_delta; + AF_WarpScore best_score; + AF_WarpScore best_distort; + + } AF_WarperRec, *AF_Warper; + + + FT_LOCAL( void ) + af_warper_compute( AF_Warper warper, + AF_GlyphHints hints, + AF_Dimension dim, + FT_Fixed *a_scale, + FT_Fixed *a_delta ); + + +FT_END_HEADER + + +#endif /* AFWARP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afwrtsys.h b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afwrtsys.h new file mode 100644 index 00000000000..4675f3242d1 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/autofit/afwrtsys.h @@ -0,0 +1,52 @@ +/***************************************************************************/ +/* */ +/* afwrtsys.h */ +/* */ +/* Auto-fitter writing systems (specification only). */ +/* */ +/* Copyright 2013-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFWRTSYS_H_ +#define AFWRTSYS_H_ + + /* Since preprocessor directives can't create other preprocessor */ + /* directives, we have to include the header files manually. */ + +#include "afdummy.h" +#include "aflatin.h" +#include "afcjk.h" +#include "afindic.h" +#ifdef FT_OPTION_AUTOFIT2 +#include "aflatin2.h" +#endif + +#endif /* AFWRTSYS_H_ */ + + + /* The following part can be included multiple times. */ + /* Define `WRITING_SYSTEM' as needed. */ + + + /* Add new writing systems here. The arguments are the writing system */ + /* name in lowercase and uppercase, respectively. */ + + WRITING_SYSTEM( dummy, DUMMY ) + WRITING_SYSTEM( latin, LATIN ) + WRITING_SYSTEM( cjk, CJK ) + WRITING_SYSTEM( indic, INDIC ) +#ifdef FT_OPTION_AUTOFIT2 + WRITING_SYSTEM( latin2, LATIN2 ) +#endif + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/basepic.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/basepic.c new file mode 100644 index 00000000000..bc804064416 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/basepic.c @@ -0,0 +1,108 @@ +/***************************************************************************/ +/* */ +/* basepic.c */ +/* */ +/* The FreeType position independent code services for base. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "basepic.h" + + +#ifdef FT_CONFIG_OPTION_PIC + + /* forward declaration of PIC init functions from ftglyph.c */ + void + FT_Init_Class_ft_outline_glyph_class( FT_Glyph_Class* clazz ); + + void + FT_Init_Class_ft_bitmap_glyph_class( FT_Glyph_Class* clazz ); + +#ifdef FT_CONFIG_OPTION_MAC_FONTS + /* forward declaration of PIC init function from ftrfork.c */ + /* (not modularized) */ + void + FT_Init_Table_ft_raccess_guess_table( ft_raccess_guess_rec* record ); +#endif + + /* forward declaration of PIC init functions from ftinit.c */ + FT_Error + ft_create_default_module_classes( FT_Library library ); + + void + ft_destroy_default_module_classes( FT_Library library ); + + + void + ft_base_pic_free( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Memory memory = library->memory; + + + if ( pic_container->base ) + { + /* destroy default module classes */ + /* (in case FT_Add_Default_Modules was used) */ + ft_destroy_default_module_classes( library ); + + FT_FREE( pic_container->base ); + pic_container->base = NULL; + } + } + + + FT_Error + ft_base_pic_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Error error = FT_Err_Ok; + BasePIC* container = NULL; + FT_Memory memory = library->memory; + + + /* allocate pointer, clear and set global container pointer */ + if ( FT_ALLOC( container, sizeof ( *container ) ) ) + return error; + FT_MEM_SET( container, 0, sizeof ( *container ) ); + pic_container->base = container; + + /* initialize default modules list and pointers */ + error = ft_create_default_module_classes( library ); + if ( error ) + goto Exit; + + /* initialize pointer table - */ + /* this is how the module usually expects this data */ + FT_Init_Class_ft_outline_glyph_class( + &container->ft_outline_glyph_class ); + FT_Init_Class_ft_bitmap_glyph_class( + &container->ft_bitmap_glyph_class ); +#ifdef FT_CONFIG_OPTION_MAC_FONTS + FT_Init_Table_ft_raccess_guess_table( + (ft_raccess_guess_rec*)&container->ft_raccess_guess_table ); +#endif + + Exit: + if ( error ) + ft_base_pic_free( library ); + return error; + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/basepic.h b/jdk/src/share/native/sun/awt/libfreetype/src/base/basepic.h new file mode 100644 index 00000000000..492d1ede564 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/basepic.h @@ -0,0 +1,91 @@ +/***************************************************************************/ +/* */ +/* basepic.h */ +/* */ +/* The FreeType position independent code services for base. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef BASEPIC_H_ +#define BASEPIC_H_ + + +#include FT_INTERNAL_PIC_H + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_OUTLINE_GLYPH_CLASS_GET &ft_outline_glyph_class +#define FT_BITMAP_GLYPH_CLASS_GET &ft_bitmap_glyph_class +#define FT_DEFAULT_MODULES_GET ft_default_modules + +#ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK +#define FT_RACCESS_GUESS_TABLE_GET ft_raccess_guess_table +#endif + +#else /* FT_CONFIG_OPTION_PIC */ + +#include FT_GLYPH_H + +#ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK +#include FT_INTERNAL_RFORK_H +#endif + + +FT_BEGIN_HEADER + + typedef struct BasePIC_ + { + FT_Module_Class** default_module_classes; + FT_Glyph_Class ft_outline_glyph_class; + FT_Glyph_Class ft_bitmap_glyph_class; + +#ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK + ft_raccess_guess_rec ft_raccess_guess_table[FT_RACCESS_N_RULES]; +#endif + + } BasePIC; + + +#define GET_PIC( lib ) ( (BasePIC*)( (lib)->pic_container.base ) ) + +#define FT_OUTLINE_GLYPH_CLASS_GET \ + ( &GET_PIC( library )->ft_outline_glyph_class ) +#define FT_BITMAP_GLYPH_CLASS_GET \ + ( &GET_PIC( library )->ft_bitmap_glyph_class ) +#define FT_DEFAULT_MODULES_GET \ + ( GET_PIC( library )->default_module_classes ) + +#ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK +#define FT_RACCESS_GUESS_TABLE_GET \ + ( GET_PIC( library )->ft_raccess_guess_table ) +#endif + + + /* see basepic.c for the implementation */ + void + ft_base_pic_free( FT_Library library ); + + FT_Error + ft_base_pic_init( FT_Library library ); + +FT_END_HEADER + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +#endif /* BASEPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftadvanc.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftadvanc.c new file mode 100644 index 00000000000..230c84d6ad4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftadvanc.c @@ -0,0 +1,175 @@ +/***************************************************************************/ +/* */ +/* ftadvanc.c */ +/* */ +/* Quick computation of advance widths (body). */ +/* */ +/* Copyright 2008-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H + +#include FT_ADVANCES_H +#include FT_INTERNAL_OBJECTS_H + + + static FT_Error + _ft_face_scale_advances( FT_Face face, + FT_Fixed* advances, + FT_UInt count, + FT_Int32 flags ) + { + FT_Fixed scale; + FT_UInt nn; + + + if ( flags & FT_LOAD_NO_SCALE ) + return FT_Err_Ok; + + if ( !face->size ) + return FT_THROW( Invalid_Size_Handle ); + + if ( flags & FT_LOAD_VERTICAL_LAYOUT ) + scale = face->size->metrics.y_scale; + else + scale = face->size->metrics.x_scale; + + /* this must be the same scaling as to get linear{Hori,Vert}Advance */ + /* (see `FT_Load_Glyph' implementation in src/base/ftobjs.c) */ + + for ( nn = 0; nn < count; nn++ ) + advances[nn] = FT_MulDiv( advances[nn], scale, 64 ); + + return FT_Err_Ok; + } + + + /* at the moment, we can perform fast advance retrieval only in */ + /* the following cases: */ + /* */ + /* - unscaled load */ + /* - unhinted load */ + /* - light-hinted load */ + /* - if a variations font, it must have an `HVAR' or `VVAR' */ + /* table (thus the old MM or GX fonts don't qualify; this */ + /* gets checked by the driver-specific functions) */ + +#define LOAD_ADVANCE_FAST_CHECK( face, flags ) \ + ( flags & ( FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING ) || \ + FT_LOAD_TARGET_MODE( flags ) == FT_RENDER_MODE_LIGHT ) + + + /* documentation is in ftadvanc.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Advance( FT_Face face, + FT_UInt gindex, + FT_Int32 flags, + FT_Fixed *padvance ) + { + FT_Face_GetAdvancesFunc func; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !padvance ) + return FT_THROW( Invalid_Argument ); + + if ( gindex >= (FT_UInt)face->num_glyphs ) + return FT_THROW( Invalid_Glyph_Index ); + + func = face->driver->clazz->get_advances; + if ( func && LOAD_ADVANCE_FAST_CHECK( face, flags ) ) + { + FT_Error error; + + + error = func( face, gindex, 1, flags, padvance ); + if ( !error ) + return _ft_face_scale_advances( face, padvance, 1, flags ); + + if ( FT_ERR_NEQ( error, Unimplemented_Feature ) ) + return error; + } + + return FT_Get_Advances( face, gindex, 1, flags, padvance ); + } + + + /* documentation is in ftadvanc.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Advances( FT_Face face, + FT_UInt start, + FT_UInt count, + FT_Int32 flags, + FT_Fixed *padvances ) + { + FT_Error error = FT_Err_Ok; + + FT_Face_GetAdvancesFunc func; + + FT_UInt num, end, nn; + FT_Int factor; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !padvances ) + return FT_THROW( Invalid_Argument ); + + num = (FT_UInt)face->num_glyphs; + end = start + count; + if ( start >= num || end < start || end > num ) + return FT_THROW( Invalid_Glyph_Index ); + + if ( count == 0 ) + return FT_Err_Ok; + + func = face->driver->clazz->get_advances; + if ( func && LOAD_ADVANCE_FAST_CHECK( face, flags ) ) + { + error = func( face, start, count, flags, padvances ); + if ( !error ) + return _ft_face_scale_advances( face, padvances, count, flags ); + + if ( FT_ERR_NEQ( error, Unimplemented_Feature ) ) + return error; + } + + error = FT_Err_Ok; + + if ( flags & FT_ADVANCE_FLAG_FAST_ONLY ) + return FT_THROW( Unimplemented_Feature ); + + flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY; + factor = ( flags & FT_LOAD_NO_SCALE ) ? 1 : 1024; + for ( nn = 0; nn < count; nn++ ) + { + error = FT_Load_Glyph( face, start + nn, flags ); + if ( error ) + break; + + /* scale from 26.6 to 16.16, unless NO_SCALE was requested */ + padvances[nn] = ( flags & FT_LOAD_VERTICAL_LAYOUT ) + ? face->glyph->advance.y * factor + : face->glyph->advance.x * factor; + } + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftapi.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftapi.c new file mode 100644 index 00000000000..32d6e95d199 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftapi.c @@ -0,0 +1,121 @@ +/***************************************************************************/ +/* */ +/* ftapi.c */ +/* */ +/* The FreeType compatibility functions (body). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_LIST_H +#include FT_OUTLINE_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TABLES_H +#include FT_OUTLINE_H + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** C O M P A T I B I L I T Y ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + /* backward compatibility API */ + + FT_BASE_DEF( void ) + FT_New_Memory_Stream( FT_Library library, + FT_Byte* base, + FT_ULong size, + FT_Stream stream ) + { + FT_UNUSED( library ); + + FT_Stream_OpenMemory( stream, base, size ); + } + + + FT_BASE_DEF( FT_Error ) + FT_Seek_Stream( FT_Stream stream, + FT_ULong pos ) + { + return FT_Stream_Seek( stream, pos ); + } + + + FT_BASE_DEF( FT_Error ) + FT_Skip_Stream( FT_Stream stream, + FT_Long distance ) + { + return FT_Stream_Skip( stream, distance ); + } + + + FT_BASE_DEF( FT_Error ) + FT_Read_Stream( FT_Stream stream, + FT_Byte* buffer, + FT_ULong count ) + { + return FT_Stream_Read( stream, buffer, count ); + } + + + FT_BASE_DEF( FT_Error ) + FT_Read_Stream_At( FT_Stream stream, + FT_ULong pos, + FT_Byte* buffer, + FT_ULong count ) + { + return FT_Stream_ReadAt( stream, pos, buffer, count ); + } + + + FT_BASE_DEF( FT_Error ) + FT_Extract_Frame( FT_Stream stream, + FT_ULong count, + FT_Byte** pbytes ) + { + return FT_Stream_ExtractFrame( stream, count, pbytes ); + } + + + FT_BASE_DEF( void ) + FT_Release_Frame( FT_Stream stream, + FT_Byte** pbytes ) + { + FT_Stream_ReleaseFrame( stream, pbytes ); + } + + FT_BASE_DEF( FT_Error ) + FT_Access_Frame( FT_Stream stream, + FT_ULong count ) + { + return FT_Stream_EnterFrame( stream, count ); + } + + + FT_BASE_DEF( void ) + FT_Forget_Frame( FT_Stream stream ) + { + FT_Stream_ExitFrame( stream ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftbase.h b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftbase.h new file mode 100644 index 00000000000..7e8cfad9590 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftbase.h @@ -0,0 +1,78 @@ +/***************************************************************************/ +/* */ +/* ftbase.h */ +/* */ +/* Private functions used in the `base' module (specification). */ +/* */ +/* Copyright 2008-2018 by */ +/* David Turner, Robert Wilhelm, Werner Lemberg, and suzuki toshiya. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTBASE_H_ +#define FTBASE_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H + + +FT_BEGIN_HEADER + + +#ifdef FT_CONFIG_OPTION_MAC_FONTS + + /* MacOS resource fork cannot exceed 16MB at least for Carbon code; */ + /* see https://support.microsoft.com/en-us/kb/130437 */ +#define FT_MAC_RFORK_MAX_LEN 0x00FFFFFFUL + + + /* Assume the stream is sfnt-wrapped PS Type1 or sfnt-wrapped CID-keyed */ + /* font, and try to load a face specified by the face_index. */ + FT_LOCAL( FT_Error ) + open_face_PS_from_sfnt_stream( FT_Library library, + FT_Stream stream, + FT_Long face_index, + FT_Int num_params, + FT_Parameter *params, + FT_Face *aface ); + + + /* Create a new FT_Face given a buffer and a driver name. */ + /* From ftmac.c. */ + FT_LOCAL( FT_Error ) + open_face_from_buffer( FT_Library library, + FT_Byte* base, + FT_ULong size, + FT_Long face_index, + const char* driver_name, + FT_Face *aface ); + + +#if defined( FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK ) && \ + !defined( FT_MACINTOSH ) + /* Mac OS X/Darwin kernel often changes recommended method to access */ + /* the resource fork and older methods makes the kernel issue the */ + /* warning of deprecated method. To calm it down, the methods based */ + /* on Darwin VFS should be grouped and skip the rest methods after */ + /* the case the resource is opened but found to lack a font in it. */ + FT_LOCAL( FT_Bool ) + ft_raccess_rule_by_darwin_vfs( FT_Library library, FT_UInt rule_index ); +#endif + +#endif /* FT_CONFIG_OPTION_MAC_FONTS */ + + +FT_END_HEADER + +#endif /* FTBASE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftbbox.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftbbox.c new file mode 100644 index 00000000000..151e85c97a5 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftbbox.c @@ -0,0 +1,515 @@ +/***************************************************************************/ +/* */ +/* ftbbox.c */ +/* */ +/* FreeType bbox computation (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used */ +/* modified and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This component has a _single_ role: to compute exact outline bounding */ + /* boxes. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H + +#include FT_BBOX_H +#include FT_IMAGE_H +#include FT_OUTLINE_H +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_OBJECTS_H + + + typedef struct TBBox_Rec_ + { + FT_Vector last; + FT_BBox bbox; + + } TBBox_Rec; + + +#define FT_UPDATE_BBOX( p, bbox ) \ + FT_BEGIN_STMNT \ + if ( p->x < bbox.xMin ) \ + bbox.xMin = p->x; \ + if ( p->x > bbox.xMax ) \ + bbox.xMax = p->x; \ + if ( p->y < bbox.yMin ) \ + bbox.yMin = p->y; \ + if ( p->y > bbox.yMax ) \ + bbox.yMax = p->y; \ + FT_END_STMNT + +#define CHECK_X( p, bbox ) \ + ( p->x < bbox.xMin || p->x > bbox.xMax ) + +#define CHECK_Y( p, bbox ) \ + ( p->y < bbox.yMin || p->y > bbox.yMax ) + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* BBox_Move_To */ + /* */ + /* <Description> */ + /* This function is used as a `move_to' emitter during */ + /* FT_Outline_Decompose(). It simply records the destination point */ + /* in `user->last'. We also update bbox in case contour starts with */ + /* an implicit `on' point. */ + /* */ + /* <Input> */ + /* to :: A pointer to the destination vector. */ + /* */ + /* <InOut> */ + /* user :: A pointer to the current walk context. */ + /* */ + /* <Return> */ + /* Always 0. Needed for the interface only. */ + /* */ + static int + BBox_Move_To( FT_Vector* to, + TBBox_Rec* user ) + { + FT_UPDATE_BBOX( to, user->bbox ); + + user->last = *to; + + return 0; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* BBox_Line_To */ + /* */ + /* <Description> */ + /* This function is used as a `line_to' emitter during */ + /* FT_Outline_Decompose(). It simply records the destination point */ + /* in `user->last'; no further computations are necessary because */ + /* bbox already contains both explicit ends of the line segment. */ + /* */ + /* <Input> */ + /* to :: A pointer to the destination vector. */ + /* */ + /* <InOut> */ + /* user :: A pointer to the current walk context. */ + /* */ + /* <Return> */ + /* Always 0. Needed for the interface only. */ + /* */ + static int + BBox_Line_To( FT_Vector* to, + TBBox_Rec* user ) + { + user->last = *to; + + return 0; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* BBox_Conic_Check */ + /* */ + /* <Description> */ + /* Find the extrema of a 1-dimensional conic Bezier curve and update */ + /* a bounding range. This version uses direct computation, as it */ + /* doesn't need square roots. */ + /* */ + /* <Input> */ + /* y1 :: The start coordinate. */ + /* */ + /* y2 :: The coordinate of the control point. */ + /* */ + /* y3 :: The end coordinate. */ + /* */ + /* <InOut> */ + /* min :: The address of the current minimum. */ + /* */ + /* max :: The address of the current maximum. */ + /* */ + static void + BBox_Conic_Check( FT_Pos y1, + FT_Pos y2, + FT_Pos y3, + FT_Pos* min, + FT_Pos* max ) + { + /* This function is only called when a control off-point is outside */ + /* the bbox that contains all on-points. It finds a local extremum */ + /* within the segment, equal to (y1*y3 - y2*y2)/(y1 - 2*y2 + y3). */ + /* Or, offsetting from y2, we get */ + + y1 -= y2; + y3 -= y2; + y2 += FT_MulDiv( y1, y3, y1 + y3 ); + + if ( y2 < *min ) + *min = y2; + if ( y2 > *max ) + *max = y2; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* BBox_Conic_To */ + /* */ + /* <Description> */ + /* This function is used as a `conic_to' emitter during */ + /* FT_Outline_Decompose(). It checks a conic Bezier curve with the */ + /* current bounding box, and computes its extrema if necessary to */ + /* update it. */ + /* */ + /* <Input> */ + /* control :: A pointer to a control point. */ + /* */ + /* to :: A pointer to the destination vector. */ + /* */ + /* <InOut> */ + /* user :: The address of the current walk context. */ + /* */ + /* <Return> */ + /* Always 0. Needed for the interface only. */ + /* */ + /* <Note> */ + /* In the case of a non-monotonous arc, we compute directly the */ + /* extremum coordinates, as it is sufficiently fast. */ + /* */ + static int + BBox_Conic_To( FT_Vector* control, + FT_Vector* to, + TBBox_Rec* user ) + { + /* in case `to' is implicit and not included in bbox yet */ + FT_UPDATE_BBOX( to, user->bbox ); + + if ( CHECK_X( control, user->bbox ) ) + BBox_Conic_Check( user->last.x, + control->x, + to->x, + &user->bbox.xMin, + &user->bbox.xMax ); + + if ( CHECK_Y( control, user->bbox ) ) + BBox_Conic_Check( user->last.y, + control->y, + to->y, + &user->bbox.yMin, + &user->bbox.yMax ); + + user->last = *to; + + return 0; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* BBox_Cubic_Check */ + /* */ + /* <Description> */ + /* Find the extrema of a 1-dimensional cubic Bezier curve and */ + /* update a bounding range. This version uses iterative splitting */ + /* because it is faster than the exact solution with square roots. */ + /* */ + /* <Input> */ + /* p1 :: The start coordinate. */ + /* */ + /* p2 :: The coordinate of the first control point. */ + /* */ + /* p3 :: The coordinate of the second control point. */ + /* */ + /* p4 :: The end coordinate. */ + /* */ + /* <InOut> */ + /* min :: The address of the current minimum. */ + /* */ + /* max :: The address of the current maximum. */ + /* */ + static FT_Pos + cubic_peak( FT_Pos q1, + FT_Pos q2, + FT_Pos q3, + FT_Pos q4 ) + { + FT_Pos peak = 0; + FT_Int shift; + + + /* This function finds a peak of a cubic segment if it is above 0 */ + /* using iterative bisection of the segment, or returns 0. */ + /* The fixed-point arithmetic of bisection is inherently stable */ + /* but may loose accuracy in the two lowest bits. To compensate, */ + /* we upscale the segment if there is room. Large values may need */ + /* to be downscaled to avoid overflows during bisection. */ + /* It is called with either q2 or q3 positive, which is necessary */ + /* for the peak to exist and avoids undefined FT_MSB. */ + + shift = 27 - FT_MSB( (FT_UInt32)( FT_ABS( q1 ) | + FT_ABS( q2 ) | + FT_ABS( q3 ) | + FT_ABS( q4 ) ) ); + + if ( shift > 0 ) + { + /* upscaling too much just wastes time */ + if ( shift > 2 ) + shift = 2; + + q1 <<= shift; + q2 <<= shift; + q3 <<= shift; + q4 <<= shift; + } + else + { + q1 >>= -shift; + q2 >>= -shift; + q3 >>= -shift; + q4 >>= -shift; + } + + /* for a peak to exist above 0, the cubic segment must have */ + /* at least one of its control off-points above 0. */ + while ( q2 > 0 || q3 > 0 ) + { + /* determine which half contains the maximum and split */ + if ( q1 + q2 > q3 + q4 ) /* first half */ + { + q4 = q4 + q3; + q3 = q3 + q2; + q2 = q2 + q1; + q4 = q4 + q3; + q3 = q3 + q2; + q4 = ( q4 + q3 ) / 8; + q3 = q3 / 4; + q2 = q2 / 2; + } + else /* second half */ + { + q1 = q1 + q2; + q2 = q2 + q3; + q3 = q3 + q4; + q1 = q1 + q2; + q2 = q2 + q3; + q1 = ( q1 + q2 ) / 8; + q2 = q2 / 4; + q3 = q3 / 2; + } + + /* check whether either end reached the maximum */ + if ( q1 == q2 && q1 >= q3 ) + { + peak = q1; + break; + } + if ( q3 == q4 && q2 <= q4 ) + { + peak = q4; + break; + } + } + + if ( shift > 0 ) + peak >>= shift; + else + peak <<= -shift; + + return peak; + } + + + static void + BBox_Cubic_Check( FT_Pos p1, + FT_Pos p2, + FT_Pos p3, + FT_Pos p4, + FT_Pos* min, + FT_Pos* max ) + { + /* This function is only called when a control off-point is outside */ + /* the bbox that contains all on-points. So at least one of the */ + /* conditions below holds and cubic_peak is called with at least one */ + /* non-zero argument. */ + + if ( p2 > *max || p3 > *max ) + *max += cubic_peak( p1 - *max, p2 - *max, p3 - *max, p4 - *max ); + + /* now flip the signs to update the minimum */ + if ( p2 < *min || p3 < *min ) + *min -= cubic_peak( *min - p1, *min - p2, *min - p3, *min - p4 ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* BBox_Cubic_To */ + /* */ + /* <Description> */ + /* This function is used as a `cubic_to' emitter during */ + /* FT_Outline_Decompose(). It checks a cubic Bezier curve with the */ + /* current bounding box, and computes its extrema if necessary to */ + /* update it. */ + /* */ + /* <Input> */ + /* control1 :: A pointer to the first control point. */ + /* */ + /* control2 :: A pointer to the second control point. */ + /* */ + /* to :: A pointer to the destination vector. */ + /* */ + /* <InOut> */ + /* user :: The address of the current walk context. */ + /* */ + /* <Return> */ + /* Always 0. Needed for the interface only. */ + /* */ + /* <Note> */ + /* In the case of a non-monotonous arc, we don't compute directly */ + /* extremum coordinates, we subdivide instead. */ + /* */ + static int + BBox_Cubic_To( FT_Vector* control1, + FT_Vector* control2, + FT_Vector* to, + TBBox_Rec* user ) + { + /* We don't need to check `to' since it is always an on-point, */ + /* thus within the bbox. Only segments with an off-point outside */ + /* the bbox can possibly reach new extreme values. */ + + if ( CHECK_X( control1, user->bbox ) || + CHECK_X( control2, user->bbox ) ) + BBox_Cubic_Check( user->last.x, + control1->x, + control2->x, + to->x, + &user->bbox.xMin, + &user->bbox.xMax ); + + if ( CHECK_Y( control1, user->bbox ) || + CHECK_Y( control2, user->bbox ) ) + BBox_Cubic_Check( user->last.y, + control1->y, + control2->y, + to->y, + &user->bbox.yMin, + &user->bbox.yMax ); + + user->last = *to; + + return 0; + } + + + FT_DEFINE_OUTLINE_FUNCS( + bbox_interface, + + (FT_Outline_MoveTo_Func) BBox_Move_To, /* move_to */ + (FT_Outline_LineTo_Func) BBox_Line_To, /* line_to */ + (FT_Outline_ConicTo_Func)BBox_Conic_To, /* conic_to */ + (FT_Outline_CubicTo_Func)BBox_Cubic_To, /* cubic_to */ + 0, /* shift */ + 0 /* delta */ + ) + + + /* documentation is in ftbbox.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_Get_BBox( FT_Outline* outline, + FT_BBox *abbox ) + { + FT_BBox cbox = { 0x7FFFFFFFL, 0x7FFFFFFFL, + -0x7FFFFFFFL, -0x7FFFFFFFL }; + FT_BBox bbox = { 0x7FFFFFFFL, 0x7FFFFFFFL, + -0x7FFFFFFFL, -0x7FFFFFFFL }; + FT_Vector* vec; + FT_UShort n; + + + if ( !abbox ) + return FT_THROW( Invalid_Argument ); + + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + /* if outline is empty, return (0,0,0,0) */ + if ( outline->n_points == 0 || outline->n_contours <= 0 ) + { + abbox->xMin = abbox->xMax = 0; + abbox->yMin = abbox->yMax = 0; + + return 0; + } + + /* We compute the control box as well as the bounding box of */ + /* all `on' points in the outline. Then, if the two boxes */ + /* coincide, we exit immediately. */ + + vec = outline->points; + + for ( n = 0; n < outline->n_points; n++ ) + { + FT_UPDATE_BBOX( vec, cbox ); + + if ( FT_CURVE_TAG( outline->tags[n] ) == FT_CURVE_TAG_ON ) + FT_UPDATE_BBOX( vec, bbox ); + + vec++; + } + + /* test two boxes for equality */ + if ( cbox.xMin < bbox.xMin || cbox.xMax > bbox.xMax || + cbox.yMin < bbox.yMin || cbox.yMax > bbox.yMax ) + { + /* the two boxes are different, now walk over the outline to */ + /* get the Bezier arc extrema. */ + + FT_Error error; + TBBox_Rec user; + +#ifdef FT_CONFIG_OPTION_PIC + FT_Outline_Funcs bbox_interface; + + + Init_Class_bbox_interface( &bbox_interface ); +#endif + + user.bbox = bbox; + + error = FT_Outline_Decompose( outline, &bbox_interface, &user ); + if ( error ) + return error; + + *abbox = user.bbox; + } + else + *abbox = bbox; + + return FT_Err_Ok; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftbitmap.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftbitmap.c new file mode 100644 index 00000000000..93efb094479 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftbitmap.c @@ -0,0 +1,833 @@ +/***************************************************************************/ +/* */ +/* ftbitmap.c */ +/* */ +/* FreeType utility functions for bitmaps (body). */ +/* */ +/* Copyright 2004-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H + +#include FT_BITMAP_H +#include FT_IMAGE_H +#include FT_INTERNAL_OBJECTS_H + + + static + const FT_Bitmap null_bitmap = { 0, 0, 0, 0, 0, 0, 0, 0 }; + + + /* documentation is in ftbitmap.h */ + + FT_EXPORT_DEF( void ) + FT_Bitmap_Init( FT_Bitmap *abitmap ) + { + if ( abitmap ) + *abitmap = null_bitmap; + } + + + /* deprecated function name; retained for ABI compatibility */ + + FT_EXPORT_DEF( void ) + FT_Bitmap_New( FT_Bitmap *abitmap ) + { + if ( abitmap ) + *abitmap = null_bitmap; + } + + + /* documentation is in ftbitmap.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Bitmap_Copy( FT_Library library, + const FT_Bitmap *source, + FT_Bitmap *target) + { + FT_Memory memory; + FT_Error error = FT_Err_Ok; + + FT_Int pitch; + FT_ULong size; + + FT_Int source_pitch_sign, target_pitch_sign; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !source || !target ) + return FT_THROW( Invalid_Argument ); + + if ( source == target ) + return FT_Err_Ok; + + source_pitch_sign = source->pitch < 0 ? -1 : 1; + target_pitch_sign = target->pitch < 0 ? -1 : 1; + + if ( !source->buffer ) + { + *target = *source; + if ( source_pitch_sign != target_pitch_sign ) + target->pitch = -target->pitch; + + return FT_Err_Ok; + } + + memory = library->memory; + pitch = source->pitch; + + if ( pitch < 0 ) + pitch = -pitch; + size = (FT_ULong)pitch * source->rows; + + if ( target->buffer ) + { + FT_Int target_pitch = target->pitch; + FT_ULong target_size; + + + if ( target_pitch < 0 ) + target_pitch = -target_pitch; + target_size = (FT_ULong)target_pitch * target->rows; + + if ( target_size != size ) + (void)FT_QREALLOC( target->buffer, target_size, size ); + } + else + (void)FT_QALLOC( target->buffer, size ); + + if ( !error ) + { + unsigned char *p; + + + p = target->buffer; + *target = *source; + target->buffer = p; + + if ( source_pitch_sign == target_pitch_sign ) + FT_MEM_COPY( target->buffer, source->buffer, size ); + else + { + /* take care of bitmap flow */ + FT_UInt i; + FT_Byte* s = source->buffer; + FT_Byte* t = target->buffer; + + + t += (FT_ULong)pitch * ( target->rows - 1 ); + + for ( i = target->rows; i > 0; i-- ) + { + FT_ARRAY_COPY( t, s, pitch ); + + s += pitch; + t -= pitch; + } + } + } + + return error; + } + + + /* Enlarge `bitmap' horizontally and vertically by `xpixels' */ + /* and `ypixels', respectively. */ + + static FT_Error + ft_bitmap_assure_buffer( FT_Memory memory, + FT_Bitmap* bitmap, + FT_UInt xpixels, + FT_UInt ypixels ) + { + FT_Error error; + unsigned int pitch; + unsigned int new_pitch; + FT_UInt bpp; + FT_UInt width, height; + unsigned char* buffer = NULL; + + + width = bitmap->width; + height = bitmap->rows; + pitch = (unsigned int)FT_ABS( bitmap->pitch ); + + switch ( bitmap->pixel_mode ) + { + case FT_PIXEL_MODE_MONO: + bpp = 1; + new_pitch = ( width + xpixels + 7 ) >> 3; + break; + case FT_PIXEL_MODE_GRAY2: + bpp = 2; + new_pitch = ( width + xpixels + 3 ) >> 2; + break; + case FT_PIXEL_MODE_GRAY4: + bpp = 4; + new_pitch = ( width + xpixels + 1 ) >> 1; + break; + case FT_PIXEL_MODE_GRAY: + case FT_PIXEL_MODE_LCD: + case FT_PIXEL_MODE_LCD_V: + bpp = 8; + new_pitch = width + xpixels; + break; + default: + return FT_THROW( Invalid_Glyph_Format ); + } + + /* if no need to allocate memory */ + if ( ypixels == 0 && new_pitch <= pitch ) + { + /* zero the padding */ + FT_UInt bit_width = pitch * 8; + FT_UInt bit_last = ( width + xpixels ) * bpp; + + + if ( bit_last < bit_width ) + { + FT_Byte* line = bitmap->buffer + ( bit_last >> 3 ); + FT_Byte* end = bitmap->buffer + pitch; + FT_UInt shift = bit_last & 7; + FT_UInt mask = 0xFF00U >> shift; + FT_UInt count = height; + + + for ( ; count > 0; count--, line += pitch, end += pitch ) + { + FT_Byte* write = line; + + + if ( shift > 0 ) + { + write[0] = (FT_Byte)( write[0] & mask ); + write++; + } + if ( write < end ) + FT_MEM_ZERO( write, end - write ); + } + } + + return FT_Err_Ok; + } + + /* otherwise allocate new buffer */ + if ( FT_QALLOC_MULT( buffer, bitmap->rows + ypixels, new_pitch ) ) + return error; + + /* new rows get added at the top of the bitmap, */ + /* thus take care of the flow direction */ + if ( bitmap->pitch > 0 ) + { + FT_UInt len = ( width * bpp + 7 ) >> 3; + + unsigned char* in = bitmap->buffer; + unsigned char* out = buffer; + + unsigned char* limit = bitmap->buffer + pitch * bitmap->rows; + unsigned int delta = new_pitch - pitch; + + + FT_MEM_ZERO( out, new_pitch * ypixels ); + out += new_pitch * ypixels; + + while ( in < limit ) + { + FT_MEM_COPY( out, in, len ); + in += pitch; + out += pitch; + + FT_MEM_ZERO( out, delta ); + out += delta; + } + } + else + { + FT_UInt len = ( width * bpp + 7 ) >> 3; + + unsigned char* in = bitmap->buffer; + unsigned char* out = buffer; + + unsigned char* limit = bitmap->buffer + pitch * bitmap->rows; + unsigned int delta = new_pitch - pitch; + + + while ( in < limit ) + { + FT_MEM_COPY( out, in, len ); + in += pitch; + out += pitch; + + FT_MEM_ZERO( out, delta ); + out += delta; + } + + FT_MEM_ZERO( out, new_pitch * ypixels ); + } + + FT_FREE( bitmap->buffer ); + bitmap->buffer = buffer; + + /* set pitch only, width and height are left untouched */ + if ( bitmap->pitch < 0 ) + bitmap->pitch = -(int)new_pitch; + else + bitmap->pitch = (int)new_pitch; + + return FT_Err_Ok; + } + + + /* documentation is in ftbitmap.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Bitmap_Embolden( FT_Library library, + FT_Bitmap* bitmap, + FT_Pos xStrength, + FT_Pos yStrength ) + { + FT_Error error; + unsigned char* p; + FT_Int i, x, pitch; + FT_UInt y; + FT_Int xstr, ystr; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !bitmap || !bitmap->buffer ) + return FT_THROW( Invalid_Argument ); + + if ( ( ( FT_PIX_ROUND( xStrength ) >> 6 ) > FT_INT_MAX ) || + ( ( FT_PIX_ROUND( yStrength ) >> 6 ) > FT_INT_MAX ) ) + return FT_THROW( Invalid_Argument ); + + xstr = (FT_Int)FT_PIX_ROUND( xStrength ) >> 6; + ystr = (FT_Int)FT_PIX_ROUND( yStrength ) >> 6; + + if ( xstr == 0 && ystr == 0 ) + return FT_Err_Ok; + else if ( xstr < 0 || ystr < 0 ) + return FT_THROW( Invalid_Argument ); + + switch ( bitmap->pixel_mode ) + { + case FT_PIXEL_MODE_GRAY2: + case FT_PIXEL_MODE_GRAY4: + { + FT_Bitmap tmp; + + + /* convert to 8bpp */ + FT_Bitmap_Init( &tmp ); + error = FT_Bitmap_Convert( library, bitmap, &tmp, 1 ); + if ( error ) + return error; + + FT_Bitmap_Done( library, bitmap ); + *bitmap = tmp; + } + break; + + case FT_PIXEL_MODE_MONO: + if ( xstr > 8 ) + xstr = 8; + break; + + case FT_PIXEL_MODE_LCD: + xstr *= 3; + break; + + case FT_PIXEL_MODE_LCD_V: + ystr *= 3; + break; + + case FT_PIXEL_MODE_BGRA: + /* We don't embolden color glyphs. */ + return FT_Err_Ok; + } + + error = ft_bitmap_assure_buffer( library->memory, bitmap, + (FT_UInt)xstr, (FT_UInt)ystr ); + if ( error ) + return error; + + /* take care of bitmap flow */ + pitch = bitmap->pitch; + if ( pitch > 0 ) + p = bitmap->buffer + pitch * ystr; + else + { + pitch = -pitch; + p = bitmap->buffer + (FT_UInt)pitch * ( bitmap->rows - 1 ); + } + + /* for each row */ + for ( y = 0; y < bitmap->rows; y++ ) + { + /* + * Horizontally: + * + * From the last pixel on, make each pixel or'ed with the + * `xstr' pixels before it. + */ + for ( x = pitch - 1; x >= 0; x-- ) + { + unsigned char tmp; + + + tmp = p[x]; + for ( i = 1; i <= xstr; i++ ) + { + if ( bitmap->pixel_mode == FT_PIXEL_MODE_MONO ) + { + p[x] |= tmp >> i; + + /* the maximum value of 8 for `xstr' comes from here */ + if ( x > 0 ) + p[x] |= p[x - 1] << ( 8 - i ); + +#if 0 + if ( p[x] == 0xFF ) + break; +#endif + } + else + { + if ( x - i >= 0 ) + { + if ( p[x] + p[x - i] > bitmap->num_grays - 1 ) + { + p[x] = (unsigned char)( bitmap->num_grays - 1 ); + break; + } + else + { + p[x] = (unsigned char)( p[x] + p[x - i] ); + if ( p[x] == bitmap->num_grays - 1 ) + break; + } + } + else + break; + } + } + } + + /* + * Vertically: + * + * Make the above `ystr' rows or'ed with it. + */ + for ( x = 1; x <= ystr; x++ ) + { + unsigned char* q; + + + q = p - bitmap->pitch * x; + for ( i = 0; i < pitch; i++ ) + q[i] |= p[i]; + } + + p += bitmap->pitch; + } + + bitmap->width += (FT_UInt)xstr; + bitmap->rows += (FT_UInt)ystr; + + return FT_Err_Ok; + } + + + static FT_Byte + ft_gray_for_premultiplied_srgb_bgra( const FT_Byte* bgra ) + { + FT_UInt a = bgra[3]; + FT_UInt l; + + + /* Short-circuit transparent color to avoid division by zero. */ + if ( !a ) + return 0; + + /* + * Luminosity for sRGB is defined using ~0.2126,0.7152,0.0722 + * coefficients for RGB channels *on the linear colors*. + * A gamma of 2.2 is fair to assume. And then, we need to + * undo the premultiplication too. + * + * https://accessibility.kde.org/hsl-adjusted.php + * + * We do the computation with integers only, applying a gamma of 2.0. + * We guarantee 32-bit arithmetic to avoid overflow but the resulting + * luminosity fits into 16 bits. + * + */ + + l = ( 4732UL /* 0.0722 * 65536 */ * bgra[0] * bgra[0] + + 46871UL /* 0.7152 * 65536 */ * bgra[1] * bgra[1] + + 13933UL /* 0.2126 * 65536 */ * bgra[2] * bgra[2] ) >> 16; + + /* + * Final transparency can be determined as follows. + * + * - If alpha is zero, we want 0. + * - If alpha is zero and luminosity is zero, we want 255. + * - If alpha is zero and luminosity is one, we want 0. + * + * So the formula is a * (1 - l) = a - l * a. + * + * We still need to undo premultiplication by dividing l by a*a. + * + */ + + return (FT_Byte)( a - l / a ); + } + + + /* documentation is in ftbitmap.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Bitmap_Convert( FT_Library library, + const FT_Bitmap *source, + FT_Bitmap *target, + FT_Int alignment ) + { + FT_Error error = FT_Err_Ok; + FT_Memory memory; + + FT_Byte* s; + FT_Byte* t; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !source || !target ) + return FT_THROW( Invalid_Argument ); + + memory = library->memory; + + switch ( source->pixel_mode ) + { + case FT_PIXEL_MODE_MONO: + case FT_PIXEL_MODE_GRAY: + case FT_PIXEL_MODE_GRAY2: + case FT_PIXEL_MODE_GRAY4: + case FT_PIXEL_MODE_LCD: + case FT_PIXEL_MODE_LCD_V: + case FT_PIXEL_MODE_BGRA: + { + FT_Int pad, old_target_pitch, target_pitch; + FT_ULong old_size; + + + old_target_pitch = target->pitch; + if ( old_target_pitch < 0 ) + old_target_pitch = -old_target_pitch; + + old_size = target->rows * (FT_UInt)old_target_pitch; + + target->pixel_mode = FT_PIXEL_MODE_GRAY; + target->rows = source->rows; + target->width = source->width; + + pad = 0; + if ( alignment > 0 ) + { + pad = (FT_Int)source->width % alignment; + if ( pad != 0 ) + pad = alignment - pad; + } + + target_pitch = (FT_Int)source->width + pad; + + if ( target_pitch > 0 && + (FT_ULong)target->rows > FT_ULONG_MAX / (FT_ULong)target_pitch ) + return FT_THROW( Invalid_Argument ); + + if ( FT_QREALLOC( target->buffer, + old_size, target->rows * (FT_UInt)target_pitch ) ) + return error; + + target->pitch = target->pitch < 0 ? -target_pitch : target_pitch; + } + break; + + default: + error = FT_THROW( Invalid_Argument ); + } + + s = source->buffer; + t = target->buffer; + + /* take care of bitmap flow */ + if ( source->pitch < 0 ) + s -= source->pitch * (FT_Int)( source->rows - 1 ); + if ( target->pitch < 0 ) + t -= target->pitch * (FT_Int)( target->rows - 1 ); + + switch ( source->pixel_mode ) + { + case FT_PIXEL_MODE_MONO: + { + FT_UInt i; + + + target->num_grays = 2; + + for ( i = source->rows; i > 0; i-- ) + { + FT_Byte* ss = s; + FT_Byte* tt = t; + FT_UInt j; + + + /* get the full bytes */ + for ( j = source->width >> 3; j > 0; j-- ) + { + FT_Int val = ss[0]; /* avoid a byte->int cast on each line */ + + + tt[0] = (FT_Byte)( ( val & 0x80 ) >> 7 ); + tt[1] = (FT_Byte)( ( val & 0x40 ) >> 6 ); + tt[2] = (FT_Byte)( ( val & 0x20 ) >> 5 ); + tt[3] = (FT_Byte)( ( val & 0x10 ) >> 4 ); + tt[4] = (FT_Byte)( ( val & 0x08 ) >> 3 ); + tt[5] = (FT_Byte)( ( val & 0x04 ) >> 2 ); + tt[6] = (FT_Byte)( ( val & 0x02 ) >> 1 ); + tt[7] = (FT_Byte)( val & 0x01 ); + + tt += 8; + ss += 1; + } + + /* get remaining pixels (if any) */ + j = source->width & 7; + if ( j > 0 ) + { + FT_Int val = *ss; + + + for ( ; j > 0; j-- ) + { + tt[0] = (FT_Byte)( ( val & 0x80 ) >> 7); + val <<= 1; + tt += 1; + } + } + + s += source->pitch; + t += target->pitch; + } + } + break; + + + case FT_PIXEL_MODE_GRAY: + case FT_PIXEL_MODE_LCD: + case FT_PIXEL_MODE_LCD_V: + { + FT_UInt width = source->width; + FT_UInt i; + + + target->num_grays = 256; + + for ( i = source->rows; i > 0; i-- ) + { + FT_ARRAY_COPY( t, s, width ); + + s += source->pitch; + t += target->pitch; + } + } + break; + + + case FT_PIXEL_MODE_GRAY2: + { + FT_UInt i; + + + target->num_grays = 4; + + for ( i = source->rows; i > 0; i-- ) + { + FT_Byte* ss = s; + FT_Byte* tt = t; + FT_UInt j; + + + /* get the full bytes */ + for ( j = source->width >> 2; j > 0; j-- ) + { + FT_Int val = ss[0]; + + + tt[0] = (FT_Byte)( ( val & 0xC0 ) >> 6 ); + tt[1] = (FT_Byte)( ( val & 0x30 ) >> 4 ); + tt[2] = (FT_Byte)( ( val & 0x0C ) >> 2 ); + tt[3] = (FT_Byte)( ( val & 0x03 ) ); + + ss += 1; + tt += 4; + } + + j = source->width & 3; + if ( j > 0 ) + { + FT_Int val = ss[0]; + + + for ( ; j > 0; j-- ) + { + tt[0] = (FT_Byte)( ( val & 0xC0 ) >> 6 ); + val <<= 2; + tt += 1; + } + } + + s += source->pitch; + t += target->pitch; + } + } + break; + + + case FT_PIXEL_MODE_GRAY4: + { + FT_UInt i; + + + target->num_grays = 16; + + for ( i = source->rows; i > 0; i-- ) + { + FT_Byte* ss = s; + FT_Byte* tt = t; + FT_UInt j; + + + /* get the full bytes */ + for ( j = source->width >> 1; j > 0; j-- ) + { + FT_Int val = ss[0]; + + + tt[0] = (FT_Byte)( ( val & 0xF0 ) >> 4 ); + tt[1] = (FT_Byte)( ( val & 0x0F ) ); + + ss += 1; + tt += 2; + } + + if ( source->width & 1 ) + tt[0] = (FT_Byte)( ( ss[0] & 0xF0 ) >> 4 ); + + s += source->pitch; + t += target->pitch; + } + } + break; + + + case FT_PIXEL_MODE_BGRA: + { + FT_UInt i; + + + target->num_grays = 256; + + for ( i = source->rows; i > 0; i-- ) + { + FT_Byte* ss = s; + FT_Byte* tt = t; + FT_UInt j; + + + for ( j = source->width; j > 0; j-- ) + { + tt[0] = ft_gray_for_premultiplied_srgb_bgra( ss ); + + ss += 4; + tt += 1; + } + + s += source->pitch; + t += target->pitch; + } + } + break; + + default: + ; + } + + return error; + } + + + /* documentation is in ftbitmap.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_GlyphSlot_Own_Bitmap( FT_GlyphSlot slot ) + { + if ( slot && slot->format == FT_GLYPH_FORMAT_BITMAP && + !( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) ) + { + FT_Bitmap bitmap; + FT_Error error; + + + FT_Bitmap_Init( &bitmap ); + error = FT_Bitmap_Copy( slot->library, &slot->bitmap, &bitmap ); + if ( error ) + return error; + + slot->bitmap = bitmap; + slot->internal->flags |= FT_GLYPH_OWN_BITMAP; + } + + return FT_Err_Ok; + } + + + /* documentation is in ftbitmap.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Bitmap_Done( FT_Library library, + FT_Bitmap *bitmap ) + { + FT_Memory memory; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !bitmap ) + return FT_THROW( Invalid_Argument ); + + memory = library->memory; + + FT_FREE( bitmap->buffer ); + *bitmap = null_bitmap; + + return FT_Err_Ok; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftcalc.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftcalc.c new file mode 100644 index 00000000000..f4ff45f8ef1 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftcalc.c @@ -0,0 +1,1017 @@ +/***************************************************************************/ +/* */ +/* ftcalc.c */ +/* */ +/* Arithmetic computations (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* Support for 1-complement arithmetic has been totally dropped in this */ + /* release. You can still write your own code if you need it. */ + /* */ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* Implementing basic computation routines. */ + /* */ + /* FT_MulDiv(), FT_MulFix(), FT_DivFix(), FT_RoundFix(), FT_CeilFix(), */ + /* and FT_FloorFix() are declared in freetype.h. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_GLYPH_H +#include FT_TRIGONOMETRY_H +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H + + +#ifdef FT_MULFIX_ASSEMBLER +#undef FT_MulFix +#endif + +/* we need to emulate a 64-bit data type if a real one isn't available */ + +#ifndef FT_LONG64 + + typedef struct FT_Int64_ + { + FT_UInt32 lo; + FT_UInt32 hi; + + } FT_Int64; + +#endif /* !FT_LONG64 */ + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_calc + + + /* transfer sign, leaving a positive number; */ + /* we need an unsigned value to safely negate INT_MIN (or LONG_MIN) */ +#define FT_MOVE_SIGN( x, x_unsigned, s ) \ + FT_BEGIN_STMNT \ + if ( x < 0 ) \ + { \ + x_unsigned = 0U - (x_unsigned); \ + s = -s; \ + } \ + FT_END_STMNT + + /* The following three functions are available regardless of whether */ + /* FT_LONG64 is defined. */ + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Fixed ) + FT_RoundFix( FT_Fixed a ) + { + return ( ADD_LONG( a, 0x8000L - ( a < 0 ) ) ) & ~0xFFFFL; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Fixed ) + FT_CeilFix( FT_Fixed a ) + { + return ( ADD_LONG( a, 0xFFFFL ) ) & ~0xFFFFL; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Fixed ) + FT_FloorFix( FT_Fixed a ) + { + return a & ~0xFFFFL; + } + +#ifndef FT_MSB + + FT_BASE_DEF ( FT_Int ) + FT_MSB( FT_UInt32 z ) + { + FT_Int shift = 0; + + + /* determine msb bit index in `shift' */ + if ( z & 0xFFFF0000UL ) + { + z >>= 16; + shift += 16; + } + if ( z & 0x0000FF00UL ) + { + z >>= 8; + shift += 8; + } + if ( z & 0x000000F0UL ) + { + z >>= 4; + shift += 4; + } + if ( z & 0x0000000CUL ) + { + z >>= 2; + shift += 2; + } + if ( z & 0x00000002UL ) + { + /* z >>= 1; */ + shift += 1; + } + + return shift; + } + +#endif /* !FT_MSB */ + + + /* documentation is in ftcalc.h */ + + FT_BASE_DEF( FT_Fixed ) + FT_Hypot( FT_Fixed x, + FT_Fixed y ) + { + FT_Vector v; + + + v.x = x; + v.y = y; + + return FT_Vector_Length( &v ); + } + + +#ifdef FT_LONG64 + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Long ) + FT_MulDiv( FT_Long a_, + FT_Long b_, + FT_Long c_ ) + { + FT_Int s = 1; + FT_UInt64 a, b, c, d; + FT_Long d_; + + + a = (FT_UInt64)a_; + b = (FT_UInt64)b_; + c = (FT_UInt64)c_; + + FT_MOVE_SIGN( a_, a, s ); + FT_MOVE_SIGN( b_, b, s ); + FT_MOVE_SIGN( c_, c, s ); + + d = c > 0 ? ( a * b + ( c >> 1 ) ) / c + : 0x7FFFFFFFUL; + + d_ = (FT_Long)d; + + return s < 0 ? NEG_LONG( d_ ) : d_; + } + + + /* documentation is in ftcalc.h */ + + FT_BASE_DEF( FT_Long ) + FT_MulDiv_No_Round( FT_Long a_, + FT_Long b_, + FT_Long c_ ) + { + FT_Int s = 1; + FT_UInt64 a, b, c, d; + FT_Long d_; + + + a = (FT_UInt64)a_; + b = (FT_UInt64)b_; + c = (FT_UInt64)c_; + + FT_MOVE_SIGN( a_, a, s ); + FT_MOVE_SIGN( b_, b, s ); + FT_MOVE_SIGN( c_, c, s ); + + d = c > 0 ? a * b / c + : 0x7FFFFFFFUL; + + d_ = (FT_Long)d; + + return s < 0 ? NEG_LONG( d_ ) : d_; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Long ) + FT_MulFix( FT_Long a_, + FT_Long b_ ) + { +#ifdef FT_MULFIX_ASSEMBLER + + return FT_MULFIX_ASSEMBLER( (FT_Int32)a_, (FT_Int32)b_ ); + +#else + + FT_Int64 ab = (FT_Int64)a_ * (FT_Int64)b_; + + /* this requires arithmetic right shift of signed numbers */ + return (FT_Long)( ( ab + 0x8000L - ( ab < 0 ) ) >> 16 ); + +#endif /* FT_MULFIX_ASSEMBLER */ + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Long ) + FT_DivFix( FT_Long a_, + FT_Long b_ ) + { + FT_Int s = 1; + FT_UInt64 a, b, q; + FT_Long q_; + + + a = (FT_UInt64)a_; + b = (FT_UInt64)b_; + + FT_MOVE_SIGN( a_, a, s ); + FT_MOVE_SIGN( b_, b, s ); + + q = b > 0 ? ( ( a << 16 ) + ( b >> 1 ) ) / b + : 0x7FFFFFFFUL; + + q_ = (FT_Long)q; + + return s < 0 ? NEG_LONG( q_ ) : q_; + } + + +#else /* !FT_LONG64 */ + + + static void + ft_multo64( FT_UInt32 x, + FT_UInt32 y, + FT_Int64 *z ) + { + FT_UInt32 lo1, hi1, lo2, hi2, lo, hi, i1, i2; + + + lo1 = x & 0x0000FFFFU; hi1 = x >> 16; + lo2 = y & 0x0000FFFFU; hi2 = y >> 16; + + lo = lo1 * lo2; + i1 = lo1 * hi2; + i2 = lo2 * hi1; + hi = hi1 * hi2; + + /* Check carry overflow of i1 + i2 */ + i1 += i2; + hi += (FT_UInt32)( i1 < i2 ) << 16; + + hi += i1 >> 16; + i1 = i1 << 16; + + /* Check carry overflow of i1 + lo */ + lo += i1; + hi += ( lo < i1 ); + + z->lo = lo; + z->hi = hi; + } + + + static FT_UInt32 + ft_div64by32( FT_UInt32 hi, + FT_UInt32 lo, + FT_UInt32 y ) + { + FT_UInt32 r, q; + FT_Int i; + + + if ( hi >= y ) + return (FT_UInt32)0x7FFFFFFFL; + + /* We shift as many bits as we can into the high register, perform */ + /* 32-bit division with modulo there, then work through the remaining */ + /* bits with long division. This optimization is especially noticeable */ + /* for smaller dividends that barely use the high register. */ + + i = 31 - FT_MSB( hi ); + r = ( hi << i ) | ( lo >> ( 32 - i ) ); lo <<= i; /* left 64-bit shift */ + q = r / y; + r -= q * y; /* remainder */ + + i = 32 - i; /* bits remaining in low register */ + do + { + q <<= 1; + r = ( r << 1 ) | ( lo >> 31 ); lo <<= 1; + + if ( r >= y ) + { + r -= y; + q |= 1; + } + } while ( --i ); + + return q; + } + + + static void + FT_Add64( FT_Int64* x, + FT_Int64* y, + FT_Int64 *z ) + { + FT_UInt32 lo, hi; + + + lo = x->lo + y->lo; + hi = x->hi + y->hi + ( lo < x->lo ); + + z->lo = lo; + z->hi = hi; + } + + + /* The FT_MulDiv function has been optimized thanks to ideas from */ + /* Graham Asher and Alexei Podtelezhnikov. The trick is to optimize */ + /* a rather common case when everything fits within 32-bits. */ + /* */ + /* We compute 'a*b+c/2', then divide it by 'c' (all positive values). */ + /* */ + /* The product of two positive numbers never exceeds the square of */ + /* its mean values. Therefore, we always avoid the overflow by */ + /* imposing */ + /* */ + /* (a + b) / 2 <= sqrt(X - c/2) , */ + /* */ + /* where X = 2^32 - 1, the maximum unsigned 32-bit value, and using */ + /* unsigned arithmetic. Now we replace `sqrt' with a linear function */ + /* that is smaller or equal for all values of c in the interval */ + /* [0;X/2]; it should be equal to sqrt(X) and sqrt(3X/4) at the */ + /* endpoints. Substituting the linear solution and explicit numbers */ + /* we get */ + /* */ + /* a + b <= 131071.99 - c / 122291.84 . */ + /* */ + /* In practice, we should use a faster and even stronger inequality */ + /* */ + /* a + b <= 131071 - (c >> 16) */ + /* */ + /* or, alternatively, */ + /* */ + /* a + b <= 129894 - (c >> 17) . */ + /* */ + /* FT_MulFix, on the other hand, is optimized for a small value of */ + /* the first argument, when the second argument can be much larger. */ + /* This can be achieved by scaling the second argument and the limit */ + /* in the above inequalities. For example, */ + /* */ + /* a + (b >> 8) <= (131071 >> 4) */ + /* */ + /* covers the practical range of use. The actual test below is a bit */ + /* tighter to avoid the border case overflows. */ + /* */ + /* In the case of FT_DivFix, the exact overflow check */ + /* */ + /* a << 16 <= X - c/2 */ + /* */ + /* is scaled down by 2^16 and we use */ + /* */ + /* a <= 65535 - (c >> 17) . */ + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Long ) + FT_MulDiv( FT_Long a_, + FT_Long b_, + FT_Long c_ ) + { + FT_Int s = 1; + FT_UInt32 a, b, c; + + + /* XXX: this function does not allow 64-bit arguments */ + + a = (FT_UInt32)a_; + b = (FT_UInt32)b_; + c = (FT_UInt32)c_; + + FT_MOVE_SIGN( a_, a, s ); + FT_MOVE_SIGN( b_, b, s ); + FT_MOVE_SIGN( c_, c, s ); + + if ( c == 0 ) + a = 0x7FFFFFFFUL; + + else if ( a + b <= 129894UL - ( c >> 17 ) ) + a = ( a * b + ( c >> 1 ) ) / c; + + else + { + FT_Int64 temp, temp2; + + + ft_multo64( a, b, &temp ); + + temp2.hi = 0; + temp2.lo = c >> 1; + + FT_Add64( &temp, &temp2, &temp ); + + /* last attempt to ditch long division */ + a = ( temp.hi == 0 ) ? temp.lo / c + : ft_div64by32( temp.hi, temp.lo, c ); + } + + a_ = (FT_Long)a; + + return s < 0 ? NEG_LONG( a_ ) : a_; + } + + + FT_BASE_DEF( FT_Long ) + FT_MulDiv_No_Round( FT_Long a_, + FT_Long b_, + FT_Long c_ ) + { + FT_Int s = 1; + FT_UInt32 a, b, c; + + + /* XXX: this function does not allow 64-bit arguments */ + + a = (FT_UInt32)a_; + b = (FT_UInt32)b_; + c = (FT_UInt32)c_; + + FT_MOVE_SIGN( a_, a, s ); + FT_MOVE_SIGN( b_, b, s ); + FT_MOVE_SIGN( c_, c, s ); + + if ( c == 0 ) + a = 0x7FFFFFFFUL; + + else if ( a + b <= 131071UL ) + a = a * b / c; + + else + { + FT_Int64 temp; + + + ft_multo64( a, b, &temp ); + + /* last attempt to ditch long division */ + a = ( temp.hi == 0 ) ? temp.lo / c + : ft_div64by32( temp.hi, temp.lo, c ); + } + + a_ = (FT_Long)a; + + return s < 0 ? NEG_LONG( a_ ) : a_; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Long ) + FT_MulFix( FT_Long a_, + FT_Long b_ ) + { +#ifdef FT_MULFIX_ASSEMBLER + + return FT_MULFIX_ASSEMBLER( a_, b_ ); + +#elif 0 + + /* + * This code is nonportable. See comment below. + * + * However, on a platform where right-shift of a signed quantity fills + * the leftmost bits by copying the sign bit, it might be faster. + */ + + FT_Long sa, sb; + FT_UInt32 a, b; + + + /* + * This is a clever way of converting a signed number `a' into its + * absolute value (stored back into `a') and its sign. The sign is + * stored in `sa'; 0 means `a' was positive or zero, and -1 means `a' + * was negative. (Similarly for `b' and `sb'). + * + * Unfortunately, it doesn't work (at least not portably). + * + * It makes the assumption that right-shift on a negative signed value + * fills the leftmost bits by copying the sign bit. This is wrong. + * According to K&R 2nd ed, section `A7.8 Shift Operators' on page 206, + * the result of right-shift of a negative signed value is + * implementation-defined. At least one implementation fills the + * leftmost bits with 0s (i.e., it is exactly the same as an unsigned + * right shift). This means that when `a' is negative, `sa' ends up + * with the value 1 rather than -1. After that, everything else goes + * wrong. + */ + sa = ( a_ >> ( sizeof ( a_ ) * 8 - 1 ) ); + a = ( a_ ^ sa ) - sa; + sb = ( b_ >> ( sizeof ( b_ ) * 8 - 1 ) ); + b = ( b_ ^ sb ) - sb; + + a = (FT_UInt32)a_; + b = (FT_UInt32)b_; + + if ( a + ( b >> 8 ) <= 8190UL ) + a = ( a * b + 0x8000U ) >> 16; + else + { + FT_UInt32 al = a & 0xFFFFUL; + + + a = ( a >> 16 ) * b + al * ( b >> 16 ) + + ( ( al * ( b & 0xFFFFUL ) + 0x8000UL ) >> 16 ); + } + + sa ^= sb; + a = ( a ^ sa ) - sa; + + return (FT_Long)a; + +#else /* 0 */ + + FT_Int s = 1; + FT_UInt32 a, b; + + + /* XXX: this function does not allow 64-bit arguments */ + + a = (FT_UInt32)a_; + b = (FT_UInt32)b_; + + FT_MOVE_SIGN( a_, a, s ); + FT_MOVE_SIGN( b_, b, s ); + + if ( a + ( b >> 8 ) <= 8190UL ) + a = ( a * b + 0x8000UL ) >> 16; + else + { + FT_UInt32 al = a & 0xFFFFUL; + + + a = ( a >> 16 ) * b + al * ( b >> 16 ) + + ( ( al * ( b & 0xFFFFUL ) + 0x8000UL ) >> 16 ); + } + + a_ = (FT_Long)a; + + return s < 0 ? NEG_LONG( a_ ) : a_; + +#endif /* 0 */ + + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Long ) + FT_DivFix( FT_Long a_, + FT_Long b_ ) + { + FT_Int s = 1; + FT_UInt32 a, b, q; + FT_Long q_; + + + /* XXX: this function does not allow 64-bit arguments */ + + a = (FT_UInt32)a_; + b = (FT_UInt32)b_; + + FT_MOVE_SIGN( a_, a, s ); + FT_MOVE_SIGN( b_, b, s ); + + if ( b == 0 ) + { + /* check for division by 0 */ + q = 0x7FFFFFFFUL; + } + else if ( a <= 65535UL - ( b >> 17 ) ) + { + /* compute result directly */ + q = ( ( a << 16 ) + ( b >> 1 ) ) / b; + } + else + { + /* we need more bits; we have to do it by hand */ + FT_Int64 temp, temp2; + + + temp.hi = a >> 16; + temp.lo = a << 16; + temp2.hi = 0; + temp2.lo = b >> 1; + + FT_Add64( &temp, &temp2, &temp ); + q = ft_div64by32( temp.hi, temp.lo, b ); + } + + q_ = (FT_Long)q; + + return s < 0 ? NEG_LONG( q_ ) : q_; + } + + +#endif /* !FT_LONG64 */ + + + /* documentation is in ftglyph.h */ + + FT_EXPORT_DEF( void ) + FT_Matrix_Multiply( const FT_Matrix* a, + FT_Matrix *b ) + { + FT_Fixed xx, xy, yx, yy; + + + if ( !a || !b ) + return; + + xx = ADD_LONG( FT_MulFix( a->xx, b->xx ), + FT_MulFix( a->xy, b->yx ) ); + xy = ADD_LONG( FT_MulFix( a->xx, b->xy ), + FT_MulFix( a->xy, b->yy ) ); + yx = ADD_LONG( FT_MulFix( a->yx, b->xx ), + FT_MulFix( a->yy, b->yx ) ); + yy = ADD_LONG( FT_MulFix( a->yx, b->xy ), + FT_MulFix( a->yy, b->yy ) ); + + b->xx = xx; + b->xy = xy; + b->yx = yx; + b->yy = yy; + } + + + /* documentation is in ftglyph.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Matrix_Invert( FT_Matrix* matrix ) + { + FT_Pos delta, xx, yy; + + + if ( !matrix ) + return FT_THROW( Invalid_Argument ); + + /* compute discriminant */ + delta = FT_MulFix( matrix->xx, matrix->yy ) - + FT_MulFix( matrix->xy, matrix->yx ); + + if ( !delta ) + return FT_THROW( Invalid_Argument ); /* matrix can't be inverted */ + + matrix->xy = - FT_DivFix( matrix->xy, delta ); + matrix->yx = - FT_DivFix( matrix->yx, delta ); + + xx = matrix->xx; + yy = matrix->yy; + + matrix->xx = FT_DivFix( yy, delta ); + matrix->yy = FT_DivFix( xx, delta ); + + return FT_Err_Ok; + } + + + /* documentation is in ftcalc.h */ + + FT_BASE_DEF( void ) + FT_Matrix_Multiply_Scaled( const FT_Matrix* a, + FT_Matrix *b, + FT_Long scaling ) + { + FT_Fixed xx, xy, yx, yy; + + FT_Long val = 0x10000L * scaling; + + + if ( !a || !b ) + return; + + xx = ADD_LONG( FT_MulDiv( a->xx, b->xx, val ), + FT_MulDiv( a->xy, b->yx, val ) ); + xy = ADD_LONG( FT_MulDiv( a->xx, b->xy, val ), + FT_MulDiv( a->xy, b->yy, val ) ); + yx = ADD_LONG( FT_MulDiv( a->yx, b->xx, val ), + FT_MulDiv( a->yy, b->yx, val ) ); + yy = ADD_LONG( FT_MulDiv( a->yx, b->xy, val ), + FT_MulDiv( a->yy, b->yy, val ) ); + + b->xx = xx; + b->xy = xy; + b->yx = yx; + b->yy = yy; + } + + + /* documentation is in ftcalc.h */ + + FT_BASE_DEF( void ) + FT_Vector_Transform_Scaled( FT_Vector* vector, + const FT_Matrix* matrix, + FT_Long scaling ) + { + FT_Pos xz, yz; + + FT_Long val = 0x10000L * scaling; + + + if ( !vector || !matrix ) + return; + + xz = ADD_LONG( FT_MulDiv( vector->x, matrix->xx, val ), + FT_MulDiv( vector->y, matrix->xy, val ) ); + yz = ADD_LONG( FT_MulDiv( vector->x, matrix->yx, val ), + FT_MulDiv( vector->y, matrix->yy, val ) ); + + vector->x = xz; + vector->y = yz; + } + + + /* documentation is in ftcalc.h */ + + FT_BASE_DEF( FT_UInt32 ) + FT_Vector_NormLen( FT_Vector* vector ) + { + FT_Int32 x_ = vector->x; + FT_Int32 y_ = vector->y; + FT_Int32 b, z; + FT_UInt32 x, y, u, v, l; + FT_Int sx = 1, sy = 1, shift; + + + x = (FT_UInt32)x_; + y = (FT_UInt32)y_; + + FT_MOVE_SIGN( x_, x, sx ); + FT_MOVE_SIGN( y_, y, sy ); + + /* trivial cases */ + if ( x == 0 ) + { + if ( y > 0 ) + vector->y = sy * 0x10000; + return y; + } + else if ( y == 0 ) + { + if ( x > 0 ) + vector->x = sx * 0x10000; + return x; + } + + /* Estimate length and prenormalize by shifting so that */ + /* the new approximate length is between 2/3 and 4/3. */ + /* The magic constant 0xAAAAAAAAUL (2/3 of 2^32) helps */ + /* achieve this in 16.16 fixed-point representation. */ + l = x > y ? x + ( y >> 1 ) + : y + ( x >> 1 ); + + shift = 31 - FT_MSB( l ); + shift -= 15 + ( l >= ( 0xAAAAAAAAUL >> shift ) ); + + if ( shift > 0 ) + { + x <<= shift; + y <<= shift; + + /* re-estimate length for tiny vectors */ + l = x > y ? x + ( y >> 1 ) + : y + ( x >> 1 ); + } + else + { + x >>= -shift; + y >>= -shift; + l >>= -shift; + } + + /* lower linear approximation for reciprocal length minus one */ + b = 0x10000 - (FT_Int32)l; + + x_ = (FT_Int32)x; + y_ = (FT_Int32)y; + + /* Newton's iterations */ + do + { + u = (FT_UInt32)( x_ + ( x_ * b >> 16 ) ); + v = (FT_UInt32)( y_ + ( y_ * b >> 16 ) ); + + /* Normalized squared length in the parentheses approaches 2^32. */ + /* On two's complement systems, converting to signed gives the */ + /* difference with 2^32 even if the expression wraps around. */ + z = -(FT_Int32)( u * u + v * v ) / 0x200; + z = z * ( ( 0x10000 + b ) >> 8 ) / 0x10000; + + b += z; + + } while ( z > 0 ); + + vector->x = sx < 0 ? -(FT_Pos)u : (FT_Pos)u; + vector->y = sy < 0 ? -(FT_Pos)v : (FT_Pos)v; + + /* Conversion to signed helps to recover from likely wrap around */ + /* in calculating the prenormalized length, because it gives the */ + /* correct difference with 2^32 on two's complement systems. */ + l = (FT_UInt32)( 0x10000 + (FT_Int32)( u * x + v * y ) / 0x10000 ); + if ( shift > 0 ) + l = ( l + ( 1 << ( shift - 1 ) ) ) >> shift; + else + l <<= -shift; + + return l; + } + + +#if 0 + + /* documentation is in ftcalc.h */ + + FT_BASE_DEF( FT_Int32 ) + FT_SqrtFixed( FT_Int32 x ) + { + FT_UInt32 root, rem_hi, rem_lo, test_div; + FT_Int count; + + + root = 0; + + if ( x > 0 ) + { + rem_hi = 0; + rem_lo = (FT_UInt32)x; + count = 24; + do + { + rem_hi = ( rem_hi << 2 ) | ( rem_lo >> 30 ); + rem_lo <<= 2; + root <<= 1; + test_div = ( root << 1 ) + 1; + + if ( rem_hi >= test_div ) + { + rem_hi -= test_div; + root += 1; + } + } while ( --count ); + } + + return (FT_Int32)root; + } + +#endif /* 0 */ + + + /* documentation is in ftcalc.h */ + + FT_BASE_DEF( FT_Int ) + ft_corner_orientation( FT_Pos in_x, + FT_Pos in_y, + FT_Pos out_x, + FT_Pos out_y ) + { +#ifdef FT_LONG64 + + FT_Int64 delta = (FT_Int64)in_x * out_y - (FT_Int64)in_y * out_x; + + + return ( delta > 0 ) - ( delta < 0 ); + +#else + + FT_Int result; + + + /* we silently ignore overflow errors, since such large values */ + /* lead to even more (harmless) rendering errors later on */ + if ( ADD_LONG( FT_ABS( in_x ), FT_ABS( out_y ) ) <= 131071L && + ADD_LONG( FT_ABS( in_y ), FT_ABS( out_x ) ) <= 131071L ) + { + FT_Long z1 = MUL_LONG( in_x, out_y ); + FT_Long z2 = MUL_LONG( in_y, out_x ); + + + if ( z1 > z2 ) + result = +1; + else if ( z1 < z2 ) + result = -1; + else + result = 0; + } + else /* products might overflow 32 bits */ + { + FT_Int64 z1, z2; + + + /* XXX: this function does not allow 64-bit arguments */ + ft_multo64( (FT_UInt32)in_x, (FT_UInt32)out_y, &z1 ); + ft_multo64( (FT_UInt32)in_y, (FT_UInt32)out_x, &z2 ); + + if ( z1.hi > z2.hi ) + result = +1; + else if ( z1.hi < z2.hi ) + result = -1; + else if ( z1.lo > z2.lo ) + result = +1; + else if ( z1.lo < z2.lo ) + result = -1; + else + result = 0; + } + + /* XXX: only the sign of return value, +1/0/-1 must be used */ + return result; + +#endif + } + + + /* documentation is in ftcalc.h */ + + FT_BASE_DEF( FT_Int ) + ft_corner_is_flat( FT_Pos in_x, + FT_Pos in_y, + FT_Pos out_x, + FT_Pos out_y ) + { + FT_Pos ax = in_x + out_x; + FT_Pos ay = in_y + out_y; + + FT_Pos d_in, d_out, d_hypot; + + + /* The idea of this function is to compare the length of the */ + /* hypotenuse with the `in' and `out' length. The `corner' */ + /* represented by `in' and `out' is flat if the hypotenuse's */ + /* length isn't too large. */ + /* */ + /* This approach has the advantage that the angle between */ + /* `in' and `out' is not checked. In case one of the two */ + /* vectors is `dominant', this is, much larger than the */ + /* other vector, we thus always have a flat corner. */ + /* */ + /* hypotenuse */ + /* x---------------------------x */ + /* \ / */ + /* \ / */ + /* in \ / out */ + /* \ / */ + /* o */ + /* Point */ + + d_in = FT_HYPOT( in_x, in_y ); + d_out = FT_HYPOT( out_x, out_y ); + d_hypot = FT_HYPOT( ax, ay ); + + /* now do a simple length comparison: */ + /* */ + /* d_in + d_out < 17/16 d_hypot */ + + return ( d_in + d_out - d_hypot ) < ( d_hypot >> 4 ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftcid.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftcid.c new file mode 100644 index 00000000000..f5184649bfb --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftcid.c @@ -0,0 +1,118 @@ +/***************************************************************************/ +/* */ +/* ftcid.c */ +/* */ +/* FreeType API for accessing CID font information. */ +/* */ +/* Copyright 2007-2018 by */ +/* Derek Clegg and Michael Toftdal. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_CID_H +#include FT_INTERNAL_OBJECTS_H +#include FT_SERVICE_CID_H + + + /* documentation is in ftcid.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_CID_Registry_Ordering_Supplement( FT_Face face, + const char* *registry, + const char* *ordering, + FT_Int *supplement) + { + FT_Error error; + const char* r = NULL; + const char* o = NULL; + FT_Int s = 0; + + + error = FT_ERR( Invalid_Argument ); + + if ( face ) + { + FT_Service_CID service; + + + FT_FACE_FIND_SERVICE( face, service, CID ); + + if ( service && service->get_ros ) + error = service->get_ros( face, &r, &o, &s ); + } + + if ( registry ) + *registry = r; + + if ( ordering ) + *ordering = o; + + if ( supplement ) + *supplement = s; + + return error; + } + + + FT_EXPORT_DEF( FT_Error ) + FT_Get_CID_Is_Internally_CID_Keyed( FT_Face face, + FT_Bool *is_cid ) + { + FT_Error error = FT_ERR( Invalid_Argument ); + FT_Bool ic = 0; + + + if ( face ) + { + FT_Service_CID service; + + + FT_FACE_FIND_SERVICE( face, service, CID ); + + if ( service && service->get_is_cid ) + error = service->get_is_cid( face, &ic); + } + + if ( is_cid ) + *is_cid = ic; + + return error; + } + + + FT_EXPORT_DEF( FT_Error ) + FT_Get_CID_From_Glyph_Index( FT_Face face, + FT_UInt glyph_index, + FT_UInt *cid ) + { + FT_Error error = FT_ERR( Invalid_Argument ); + FT_UInt c = 0; + + + if ( face ) + { + FT_Service_CID service; + + + FT_FACE_FIND_SERVICE( face, service, CID ); + + if ( service && service->get_cid_from_glyph_index ) + error = service->get_cid_from_glyph_index( face, glyph_index, &c); + } + + if ( cid ) + *cid = c; + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftdbgmem.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftdbgmem.c new file mode 100644 index 00000000000..c33d8acb4e1 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftdbgmem.c @@ -0,0 +1,999 @@ +/***************************************************************************/ +/* */ +/* ftdbgmem.c */ +/* */ +/* Memory debugger (body). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_MEMORY_H +#include FT_SYSTEM_H +#include FT_ERRORS_H +#include FT_TYPES_H + + +#ifdef FT_DEBUG_MEMORY + +#define KEEPALIVE /* `Keep alive' means that freed blocks aren't released + * to the heap. This is useful to detect double-frees + * or weird heap corruption, but it uses large amounts of + * memory, however. + */ + +#include FT_CONFIG_STANDARD_LIBRARY_H + + FT_BASE_DEF( const char* ) _ft_debug_file = NULL; + FT_BASE_DEF( long ) _ft_debug_lineno = 0; + + extern void + FT_DumpMemory( FT_Memory memory ); + + + typedef struct FT_MemSourceRec_* FT_MemSource; + typedef struct FT_MemNodeRec_* FT_MemNode; + typedef struct FT_MemTableRec_* FT_MemTable; + + +#define FT_MEM_VAL( addr ) ( (FT_PtrDist)(FT_Pointer)( addr ) ) + + /* + * This structure holds statistics for a single allocation/release + * site. This is useful to know where memory operations happen the + * most. + */ + typedef struct FT_MemSourceRec_ + { + const char* file_name; + long line_no; + + FT_Long cur_blocks; /* current number of allocated blocks */ + FT_Long max_blocks; /* max. number of allocated blocks */ + FT_Long all_blocks; /* total number of blocks allocated */ + + FT_Long cur_size; /* current cumulative allocated size */ + FT_Long max_size; /* maximum cumulative allocated size */ + FT_Long all_size; /* total cumulative allocated size */ + + FT_Long cur_max; /* current maximum allocated size */ + + FT_UInt32 hash; + FT_MemSource link; + + } FT_MemSourceRec; + + + /* + * We don't need a resizable array for the memory sources because + * their number is pretty limited within FreeType. + */ +#define FT_MEM_SOURCE_BUCKETS 128 + + /* + * This structure holds information related to a single allocated + * memory block. If KEEPALIVE is defined, blocks that are freed by + * FreeType are never released to the system. Instead, their `size' + * field is set to `-size'. This is mainly useful to detect double + * frees, at the price of a large memory footprint during execution. + */ + typedef struct FT_MemNodeRec_ + { + FT_Byte* address; + FT_Long size; /* < 0 if the block was freed */ + + FT_MemSource source; + +#ifdef KEEPALIVE + const char* free_file_name; + FT_Long free_line_no; +#endif + + FT_MemNode link; + + } FT_MemNodeRec; + + + /* + * The global structure, containing compound statistics and all hash + * tables. + */ + typedef struct FT_MemTableRec_ + { + FT_Long size; + FT_Long nodes; + FT_MemNode* buckets; + + FT_Long alloc_total; + FT_Long alloc_current; + FT_Long alloc_max; + FT_Long alloc_count; + + FT_Bool bound_total; + FT_Long alloc_total_max; + + FT_Bool bound_count; + FT_Long alloc_count_max; + + FT_MemSource sources[FT_MEM_SOURCE_BUCKETS]; + + FT_Bool keep_alive; + + FT_Memory memory; + FT_Pointer memory_user; + FT_Alloc_Func alloc; + FT_Free_Func free; + FT_Realloc_Func realloc; + + } FT_MemTableRec; + + +#define FT_MEM_SIZE_MIN 7 +#define FT_MEM_SIZE_MAX 13845163 + +#define FT_FILENAME( x ) ( (x) ? (x) : "unknown file" ) + + + /* + * Prime numbers are ugly to handle. It would be better to implement + * L-Hashing, which is 10% faster and doesn't require divisions. + */ + static const FT_Int ft_mem_primes[] = + { + 7, + 11, + 19, + 37, + 73, + 109, + 163, + 251, + 367, + 557, + 823, + 1237, + 1861, + 2777, + 4177, + 6247, + 9371, + 14057, + 21089, + 31627, + 47431, + 71143, + 106721, + 160073, + 240101, + 360163, + 540217, + 810343, + 1215497, + 1823231, + 2734867, + 4102283, + 6153409, + 9230113, + 13845163, + }; + + + static FT_Long + ft_mem_closest_prime( FT_Long num ) + { + size_t i; + + + for ( i = 0; + i < sizeof ( ft_mem_primes ) / sizeof ( ft_mem_primes[0] ); i++ ) + if ( ft_mem_primes[i] > num ) + return ft_mem_primes[i]; + + return FT_MEM_SIZE_MAX; + } + + + static void + ft_mem_debug_panic( const char* fmt, + ... ) + { + va_list ap; + + + printf( "FreeType.Debug: " ); + + va_start( ap, fmt ); + vprintf( fmt, ap ); + va_end( ap ); + + printf( "\n" ); + exit( EXIT_FAILURE ); + } + + + static FT_Pointer + ft_mem_table_alloc( FT_MemTable table, + FT_Long size ) + { + FT_Memory memory = table->memory; + FT_Pointer block; + + + memory->user = table->memory_user; + block = table->alloc( memory, size ); + memory->user = table; + + return block; + } + + + static void + ft_mem_table_free( FT_MemTable table, + FT_Pointer block ) + { + FT_Memory memory = table->memory; + + + memory->user = table->memory_user; + table->free( memory, block ); + memory->user = table; + } + + + static void + ft_mem_table_resize( FT_MemTable table ) + { + FT_Long new_size; + + + new_size = ft_mem_closest_prime( table->nodes ); + if ( new_size != table->size ) + { + FT_MemNode* new_buckets; + FT_Long i; + + + new_buckets = (FT_MemNode *) + ft_mem_table_alloc( + table, + new_size * (FT_Long)sizeof ( FT_MemNode ) ); + if ( !new_buckets ) + return; + + FT_ARRAY_ZERO( new_buckets, new_size ); + + for ( i = 0; i < table->size; i++ ) + { + FT_MemNode node, next, *pnode; + FT_PtrDist hash; + + + node = table->buckets[i]; + while ( node ) + { + next = node->link; + hash = FT_MEM_VAL( node->address ) % (FT_PtrDist)new_size; + pnode = new_buckets + hash; + + node->link = pnode[0]; + pnode[0] = node; + + node = next; + } + } + + if ( table->buckets ) + ft_mem_table_free( table, table->buckets ); + + table->buckets = new_buckets; + table->size = new_size; + } + } + + + static FT_MemTable + ft_mem_table_new( FT_Memory memory ) + { + FT_MemTable table; + + + table = (FT_MemTable)memory->alloc( memory, sizeof ( *table ) ); + if ( !table ) + goto Exit; + + FT_ZERO( table ); + + table->size = FT_MEM_SIZE_MIN; + table->nodes = 0; + + table->memory = memory; + + table->memory_user = memory->user; + + table->alloc = memory->alloc; + table->realloc = memory->realloc; + table->free = memory->free; + + table->buckets = (FT_MemNode *) + memory->alloc( + memory, + table->size * (FT_Long)sizeof ( FT_MemNode ) ); + if ( table->buckets ) + FT_ARRAY_ZERO( table->buckets, table->size ); + else + { + memory->free( memory, table ); + table = NULL; + } + + Exit: + return table; + } + + + static void + ft_mem_table_destroy( FT_MemTable table ) + { + FT_Long i; + FT_Long leak_count = 0; + FT_Long leaks = 0; + + + FT_DumpMemory( table->memory ); + + /* remove all blocks from the table, revealing leaked ones */ + for ( i = 0; i < table->size; i++ ) + { + FT_MemNode *pnode = table->buckets + i, next, node = *pnode; + + + while ( node ) + { + next = node->link; + node->link = NULL; + + if ( node->size > 0 ) + { + printf( + "leaked memory block at address %p, size %8ld in (%s:%ld)\n", + (void*)node->address, + node->size, + FT_FILENAME( node->source->file_name ), + node->source->line_no ); + + leak_count++; + leaks += node->size; + + ft_mem_table_free( table, node->address ); + } + + node->address = NULL; + node->size = 0; + + ft_mem_table_free( table, node ); + node = next; + } + table->buckets[i] = NULL; + } + + ft_mem_table_free( table, table->buckets ); + table->buckets = NULL; + + table->size = 0; + table->nodes = 0; + + /* remove all sources */ + for ( i = 0; i < FT_MEM_SOURCE_BUCKETS; i++ ) + { + FT_MemSource source, next; + + + for ( source = table->sources[i]; source != NULL; source = next ) + { + next = source->link; + ft_mem_table_free( table, source ); + } + + table->sources[i] = NULL; + } + + printf( "FreeType: total memory allocations = %ld\n", + table->alloc_total ); + printf( "FreeType: maximum memory footprint = %ld\n", + table->alloc_max ); + + ft_mem_table_free( table, table ); + + if ( leak_count > 0 ) + ft_mem_debug_panic( + "FreeType: %ld bytes of memory leaked in %ld blocks\n", + leaks, leak_count ); + + printf( "FreeType: no memory leaks detected\n" ); + } + + + static FT_MemNode* + ft_mem_table_get_nodep( FT_MemTable table, + FT_Byte* address ) + { + FT_PtrDist hash; + FT_MemNode *pnode, node; + + + hash = FT_MEM_VAL( address ); + pnode = table->buckets + ( hash % (FT_PtrDist)table->size ); + + for (;;) + { + node = pnode[0]; + if ( !node ) + break; + + if ( node->address == address ) + break; + + pnode = &node->link; + } + return pnode; + } + + + static FT_MemSource + ft_mem_table_get_source( FT_MemTable table ) + { + FT_UInt32 hash; + FT_MemSource node, *pnode; + + + /* cast to FT_PtrDist first since void* can be larger */ + /* than FT_UInt32 and GCC 4.1.1 emits a warning */ + hash = (FT_UInt32)(FT_PtrDist)(void*)_ft_debug_file + + (FT_UInt32)( 5 * _ft_debug_lineno ); + pnode = &table->sources[hash % FT_MEM_SOURCE_BUCKETS]; + + for (;;) + { + node = *pnode; + if ( !node ) + break; + + if ( node->file_name == _ft_debug_file && + node->line_no == _ft_debug_lineno ) + goto Exit; + + pnode = &node->link; + } + + node = (FT_MemSource)ft_mem_table_alloc( table, sizeof ( *node ) ); + if ( !node ) + ft_mem_debug_panic( + "not enough memory to perform memory debugging\n" ); + + node->file_name = _ft_debug_file; + node->line_no = _ft_debug_lineno; + + node->cur_blocks = 0; + node->max_blocks = 0; + node->all_blocks = 0; + + node->cur_size = 0; + node->max_size = 0; + node->all_size = 0; + + node->cur_max = 0; + + node->link = NULL; + node->hash = hash; + *pnode = node; + + Exit: + return node; + } + + + static void + ft_mem_table_set( FT_MemTable table, + FT_Byte* address, + FT_Long size, + FT_Long delta ) + { + FT_MemNode *pnode, node; + + + if ( table ) + { + FT_MemSource source; + + + pnode = ft_mem_table_get_nodep( table, address ); + node = *pnode; + if ( node ) + { + if ( node->size < 0 ) + { + /* This block was already freed. Our memory is now completely */ + /* corrupted! */ + /* This can only happen in keep-alive mode. */ + ft_mem_debug_panic( + "memory heap corrupted (allocating freed block)" ); + } + else + { + /* This block was already allocated. This means that our memory */ + /* is also corrupted! */ + ft_mem_debug_panic( + "memory heap corrupted (re-allocating allocated block at" + " %p, of size %ld)\n" + "org=%s:%d new=%s:%d\n", + node->address, node->size, + FT_FILENAME( node->source->file_name ), node->source->line_no, + FT_FILENAME( _ft_debug_file ), _ft_debug_lineno ); + } + } + + /* we need to create a new node in this table */ + node = (FT_MemNode)ft_mem_table_alloc( table, sizeof ( *node ) ); + if ( !node ) + ft_mem_debug_panic( "not enough memory to run memory tests" ); + + node->address = address; + node->size = size; + node->source = source = ft_mem_table_get_source( table ); + + if ( delta == 0 ) + { + /* this is an allocation */ + source->all_blocks++; + source->cur_blocks++; + if ( source->cur_blocks > source->max_blocks ) + source->max_blocks = source->cur_blocks; + } + + if ( size > source->cur_max ) + source->cur_max = size; + + if ( delta != 0 ) + { + /* we are growing or shrinking a reallocated block */ + source->cur_size += delta; + table->alloc_current += delta; + } + else + { + /* we are allocating a new block */ + source->cur_size += size; + table->alloc_current += size; + } + + source->all_size += size; + + if ( source->cur_size > source->max_size ) + source->max_size = source->cur_size; + + node->free_file_name = NULL; + node->free_line_no = 0; + + node->link = pnode[0]; + + pnode[0] = node; + table->nodes++; + + table->alloc_total += size; + + if ( table->alloc_current > table->alloc_max ) + table->alloc_max = table->alloc_current; + + if ( table->nodes * 3 < table->size || + table->size * 3 < table->nodes ) + ft_mem_table_resize( table ); + } + } + + + static void + ft_mem_table_remove( FT_MemTable table, + FT_Byte* address, + FT_Long delta ) + { + if ( table ) + { + FT_MemNode *pnode, node; + + + pnode = ft_mem_table_get_nodep( table, address ); + node = *pnode; + if ( node ) + { + FT_MemSource source; + + + if ( node->size < 0 ) + ft_mem_debug_panic( + "freeing memory block at %p more than once at (%s:%ld)\n" + "block allocated at (%s:%ld) and released at (%s:%ld)", + address, + FT_FILENAME( _ft_debug_file ), _ft_debug_lineno, + FT_FILENAME( node->source->file_name ), node->source->line_no, + FT_FILENAME( node->free_file_name ), node->free_line_no ); + + /* scramble the node's content for additional safety */ + FT_MEM_SET( address, 0xF3, node->size ); + + if ( delta == 0 ) + { + source = node->source; + + source->cur_blocks--; + source->cur_size -= node->size; + + table->alloc_current -= node->size; + } + + if ( table->keep_alive ) + { + /* we simply invert the node's size to indicate that the node */ + /* was freed. */ + node->size = -node->size; + node->free_file_name = _ft_debug_file; + node->free_line_no = _ft_debug_lineno; + } + else + { + table->nodes--; + + *pnode = node->link; + + node->size = 0; + node->source = NULL; + + ft_mem_table_free( table, node ); + + if ( table->nodes * 3 < table->size || + table->size * 3 < table->nodes ) + ft_mem_table_resize( table ); + } + } + else + ft_mem_debug_panic( + "trying to free unknown block at %p in (%s:%ld)\n", + address, + FT_FILENAME( _ft_debug_file ), _ft_debug_lineno ); + } + } + + + static FT_Pointer + ft_mem_debug_alloc( FT_Memory memory, + FT_Long size ) + { + FT_MemTable table = (FT_MemTable)memory->user; + FT_Byte* block; + + + if ( size <= 0 ) + ft_mem_debug_panic( "negative block size allocation (%ld)", size ); + + /* return NULL if the maximum number of allocations was reached */ + if ( table->bound_count && + table->alloc_count >= table->alloc_count_max ) + return NULL; + + /* return NULL if this allocation would overflow the maximum heap size */ + if ( table->bound_total && + table->alloc_total_max - table->alloc_current > size ) + return NULL; + + block = (FT_Byte *)ft_mem_table_alloc( table, size ); + if ( block ) + { + ft_mem_table_set( table, block, size, 0 ); + + table->alloc_count++; + } + + _ft_debug_file = "<unknown>"; + _ft_debug_lineno = 0; + + return (FT_Pointer)block; + } + + + static void + ft_mem_debug_free( FT_Memory memory, + FT_Pointer block ) + { + FT_MemTable table = (FT_MemTable)memory->user; + + + if ( !block ) + ft_mem_debug_panic( "trying to free NULL in (%s:%ld)", + FT_FILENAME( _ft_debug_file ), + _ft_debug_lineno ); + + ft_mem_table_remove( table, (FT_Byte*)block, 0 ); + + if ( !table->keep_alive ) + ft_mem_table_free( table, block ); + + table->alloc_count--; + + _ft_debug_file = "<unknown>"; + _ft_debug_lineno = 0; + } + + + static FT_Pointer + ft_mem_debug_realloc( FT_Memory memory, + FT_Long cur_size, + FT_Long new_size, + FT_Pointer block ) + { + FT_MemTable table = (FT_MemTable)memory->user; + FT_MemNode node, *pnode; + FT_Pointer new_block; + FT_Long delta; + + const char* file_name = FT_FILENAME( _ft_debug_file ); + FT_Long line_no = _ft_debug_lineno; + + + /* unlikely, but possible */ + if ( new_size == cur_size ) + return block; + + /* the following is valid according to ANSI C */ +#if 0 + if ( !block || !cur_size ) + ft_mem_debug_panic( "trying to reallocate NULL in (%s:%ld)", + file_name, line_no ); +#endif + + /* while the following is allowed in ANSI C also, we abort since */ + /* such case should be handled by FreeType. */ + if ( new_size <= 0 ) + ft_mem_debug_panic( + "trying to reallocate %p to size 0 (current is %ld) in (%s:%ld)", + block, cur_size, file_name, line_no ); + + /* check `cur_size' value */ + pnode = ft_mem_table_get_nodep( table, (FT_Byte*)block ); + node = *pnode; + if ( !node ) + ft_mem_debug_panic( + "trying to reallocate unknown block at %p in (%s:%ld)", + block, file_name, line_no ); + + if ( node->size <= 0 ) + ft_mem_debug_panic( + "trying to reallocate freed block at %p in (%s:%ld)", + block, file_name, line_no ); + + if ( node->size != cur_size ) + ft_mem_debug_panic( "invalid ft_realloc request for %p. cur_size is " + "%ld instead of %ld in (%s:%ld)", + block, cur_size, node->size, file_name, line_no ); + + /* return NULL if the maximum number of allocations was reached */ + if ( table->bound_count && + table->alloc_count >= table->alloc_count_max ) + return NULL; + + delta = new_size - cur_size; + + /* return NULL if this allocation would overflow the maximum heap size */ + if ( delta > 0 && + table->bound_total && + table->alloc_current + delta > table->alloc_total_max ) + return NULL; + + new_block = (FT_Pointer)ft_mem_table_alloc( table, new_size ); + if ( !new_block ) + return NULL; + + ft_mem_table_set( table, (FT_Byte*)new_block, new_size, delta ); + + ft_memcpy( new_block, block, cur_size < new_size ? (size_t)cur_size + : (size_t)new_size ); + + ft_mem_table_remove( table, (FT_Byte*)block, delta ); + + _ft_debug_file = "<unknown>"; + _ft_debug_lineno = 0; + + if ( !table->keep_alive ) + ft_mem_table_free( table, block ); + + return new_block; + } + + + extern FT_Int + ft_mem_debug_init( FT_Memory memory ) + { + FT_MemTable table; + FT_Int result = 0; + + + if ( ft_getenv( "FT2_DEBUG_MEMORY" ) ) + { + table = ft_mem_table_new( memory ); + if ( table ) + { + const char* p; + + + memory->user = table; + memory->alloc = ft_mem_debug_alloc; + memory->realloc = ft_mem_debug_realloc; + memory->free = ft_mem_debug_free; + + p = ft_getenv( "FT2_ALLOC_TOTAL_MAX" ); + if ( p ) + { + FT_Long total_max = ft_strtol( p, NULL, 10 ); + + + if ( total_max > 0 ) + { + table->bound_total = 1; + table->alloc_total_max = total_max; + } + } + + p = ft_getenv( "FT2_ALLOC_COUNT_MAX" ); + if ( p ) + { + FT_Long total_count = ft_strtol( p, NULL, 10 ); + + + if ( total_count > 0 ) + { + table->bound_count = 1; + table->alloc_count_max = total_count; + } + } + + p = ft_getenv( "FT2_KEEP_ALIVE" ); + if ( p ) + { + FT_Long keep_alive = ft_strtol( p, NULL, 10 ); + + + if ( keep_alive > 0 ) + table->keep_alive = 1; + } + + result = 1; + } + } + return result; + } + + + extern void + ft_mem_debug_done( FT_Memory memory ) + { + FT_MemTable table = (FT_MemTable)memory->user; + + + if ( table ) + { + memory->free = table->free; + memory->realloc = table->realloc; + memory->alloc = table->alloc; + + ft_mem_table_destroy( table ); + memory->user = NULL; + } + } + + + static int + ft_mem_source_compare( const void* p1, + const void* p2 ) + { + FT_MemSource s1 = *(FT_MemSource*)p1; + FT_MemSource s2 = *(FT_MemSource*)p2; + + + if ( s2->max_size > s1->max_size ) + return 1; + else if ( s2->max_size < s1->max_size ) + return -1; + else + return 0; + } + + + extern void + FT_DumpMemory( FT_Memory memory ) + { + FT_MemTable table = (FT_MemTable)memory->user; + + + if ( table ) + { + FT_MemSource* bucket = table->sources; + FT_MemSource* limit = bucket + FT_MEM_SOURCE_BUCKETS; + FT_MemSource* sources; + FT_Int nn, count; + const char* fmt; + + + count = 0; + for ( ; bucket < limit; bucket++ ) + { + FT_MemSource source = *bucket; + + + for ( ; source; source = source->link ) + count++; + } + + sources = (FT_MemSource*) + ft_mem_table_alloc( + table, count * (FT_Long)sizeof ( *sources ) ); + + count = 0; + for ( bucket = table->sources; bucket < limit; bucket++ ) + { + FT_MemSource source = *bucket; + + + for ( ; source; source = source->link ) + sources[count++] = source; + } + + ft_qsort( sources, + (size_t)count, + sizeof ( *sources ), + ft_mem_source_compare ); + + printf( "FreeType Memory Dump: " + "current=%ld max=%ld total=%ld count=%ld\n", + table->alloc_current, table->alloc_max, + table->alloc_total, table->alloc_count ); + printf( " block block sizes sizes sizes source\n" ); + printf( " count high sum highsum max location\n" ); + printf( "-------------------------------------------------\n" ); + + fmt = "%6ld %6ld %8ld %8ld %8ld %s:%d\n"; + + for ( nn = 0; nn < count; nn++ ) + { + FT_MemSource source = sources[nn]; + + + printf( fmt, + source->cur_blocks, source->max_blocks, + source->cur_size, source->max_size, source->cur_max, + FT_FILENAME( source->file_name ), + source->line_no ); + } + printf( "------------------------------------------------\n" ); + + ft_mem_table_free( table, sources ); + } + } + +#else /* !FT_DEBUG_MEMORY */ + + /* ANSI C doesn't like empty source files */ + typedef int _debug_mem_dummy; + +#endif /* !FT_DEBUG_MEMORY */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftdebug.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftdebug.c new file mode 100644 index 00000000000..fe263091014 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftdebug.c @@ -0,0 +1,266 @@ +/***************************************************************************/ +/* */ +/* ftdebug.c */ +/* */ +/* Debugging and logging component (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This component contains various macros and functions used to ease the */ + /* debugging of the FreeType engine. Its main purpose is in assertion */ + /* checking, tracing, and error detection. */ + /* */ + /* There are now three debugging modes: */ + /* */ + /* - trace mode */ + /* */ + /* Error and trace messages are sent to the log file (which can be the */ + /* standard error output). */ + /* */ + /* - error mode */ + /* */ + /* Only error messages are generated. */ + /* */ + /* - release mode: */ + /* */ + /* No error message is sent or generated. The code is free from any */ + /* debugging parts. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_DEBUG_H + + +#ifdef FT_DEBUG_LEVEL_ERROR + + /* documentation is in ftdebug.h */ + + FT_BASE_DEF( void ) + FT_Message( const char* fmt, + ... ) + { + va_list ap; + + + va_start( ap, fmt ); + vfprintf( stderr, fmt, ap ); + va_end( ap ); + } + + + /* documentation is in ftdebug.h */ + + FT_BASE_DEF( void ) + FT_Panic( const char* fmt, + ... ) + { + va_list ap; + + + va_start( ap, fmt ); + vfprintf( stderr, fmt, ap ); + va_end( ap ); + + exit( EXIT_FAILURE ); + } + + + /* documentation is in ftdebug.h */ + + FT_BASE_DEF( int ) + FT_Throw( FT_Error error, + int line, + const char* file ) + { + FT_UNUSED( error ); + FT_UNUSED( line ); + FT_UNUSED( file ); + + return 0; + } + +#endif /* FT_DEBUG_LEVEL_ERROR */ + + + +#ifdef FT_DEBUG_LEVEL_TRACE + + /* array of trace levels, initialized to 0 */ + int ft_trace_levels[trace_count]; + + + /* define array of trace toggle names */ +#define FT_TRACE_DEF( x ) #x , + + static const char* ft_trace_toggles[trace_count + 1] = + { +#include FT_INTERNAL_TRACE_H + NULL + }; + +#undef FT_TRACE_DEF + + + /* documentation is in ftdebug.h */ + + FT_BASE_DEF( FT_Int ) + FT_Trace_Get_Count( void ) + { + return trace_count; + } + + + /* documentation is in ftdebug.h */ + + FT_BASE_DEF( const char * ) + FT_Trace_Get_Name( FT_Int idx ) + { + int max = FT_Trace_Get_Count(); + + + if ( idx < max ) + return ft_trace_toggles[idx]; + else + return NULL; + } + + + /*************************************************************************/ + /* */ + /* Initialize the tracing sub-system. This is done by retrieving the */ + /* value of the `FT2_DEBUG' environment variable. It must be a list of */ + /* toggles, separated by spaces, `;', or `,'. Example: */ + /* */ + /* export FT2_DEBUG="any:3 memory:7 stream:5" */ + /* */ + /* This requests that all levels be set to 3, except the trace level for */ + /* the memory and stream components which are set to 7 and 5, */ + /* respectively. */ + /* */ + /* See the file `include/freetype/internal/fttrace.h' for details of */ + /* the available toggle names. */ + /* */ + /* The level must be between 0 and 7; 0 means quiet (except for serious */ + /* runtime errors), and 7 means _very_ verbose. */ + /* */ + FT_BASE_DEF( void ) + ft_debug_init( void ) + { + const char* ft2_debug = ft_getenv( "FT2_DEBUG" ); + + + if ( ft2_debug ) + { + const char* p = ft2_debug; + const char* q; + + + for ( ; *p; p++ ) + { + /* skip leading whitespace and separators */ + if ( *p == ' ' || *p == '\t' || *p == ',' || *p == ';' || *p == '=' ) + continue; + + /* read toggle name, followed by ':' */ + q = p; + while ( *p && *p != ':' ) + p++; + + if ( !*p ) + break; + + if ( *p == ':' && p > q ) + { + FT_Int n, i, len = (FT_Int)( p - q ); + FT_Int level = -1, found = -1; + + + for ( n = 0; n < trace_count; n++ ) + { + const char* toggle = ft_trace_toggles[n]; + + + for ( i = 0; i < len; i++ ) + { + if ( toggle[i] != q[i] ) + break; + } + + if ( i == len && toggle[i] == 0 ) + { + found = n; + break; + } + } + + /* read level */ + p++; + if ( *p ) + { + level = *p - '0'; + if ( level < 0 || level > 7 ) + level = -1; + } + + if ( found >= 0 && level >= 0 ) + { + if ( found == trace_any ) + { + /* special case for `any' */ + for ( n = 0; n < trace_count; n++ ) + ft_trace_levels[n] = level; + } + else + ft_trace_levels[found] = level; + } + } + } + } + } + + +#else /* !FT_DEBUG_LEVEL_TRACE */ + + + FT_BASE_DEF( void ) + ft_debug_init( void ) + { + /* nothing */ + } + + + FT_BASE_DEF( FT_Int ) + FT_Trace_Get_Count( void ) + { + return 0; + } + + + FT_BASE_DEF( const char * ) + FT_Trace_Get_Name( FT_Int idx ) + { + FT_UNUSED( idx ); + + return NULL; + } + + +#endif /* !FT_DEBUG_LEVEL_TRACE */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftfntfmt.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftfntfmt.c new file mode 100644 index 00000000000..a2900ceb098 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftfntfmt.c @@ -0,0 +1,55 @@ +/***************************************************************************/ +/* */ +/* ftfntfmt.c */ +/* */ +/* FreeType utility file for font formats (body). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FONT_FORMATS_H +#include FT_INTERNAL_OBJECTS_H +#include FT_SERVICE_FONT_FORMAT_H + + + /* documentation is in ftfntfmt.h */ + + FT_EXPORT_DEF( const char* ) + FT_Get_Font_Format( FT_Face face ) + { + const char* result = NULL; + + + if ( face ) + FT_FACE_FIND_SERVICE( face, result, FONT_FORMAT ); + + return result; + } + + + /* deprecated function name; retained for ABI compatibility */ + + FT_EXPORT_DEF( const char* ) + FT_Get_X11_Font_Format( FT_Face face ) + { + const char* result = NULL; + + + if ( face ) + FT_FACE_FIND_SERVICE( face, result, FONT_FORMAT ); + + return result; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftfstype.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftfstype.c new file mode 100644 index 00000000000..e6cdf6e2ec6 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftfstype.c @@ -0,0 +1,62 @@ +/***************************************************************************/ +/* */ +/* ftfstype.c */ +/* */ +/* FreeType utility file to access FSType data (body). */ +/* */ +/* Copyright 2008-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +#include <ft2build.h> +#include FT_TYPE1_TABLES_H +#include FT_TRUETYPE_TABLES_H +#include FT_INTERNAL_SERVICE_H +#include FT_SERVICE_POSTSCRIPT_INFO_H + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_UShort ) + FT_Get_FSType_Flags( FT_Face face ) + { + TT_OS2* os2; + + + /* first, try to get the fs_type directly from the font */ + if ( face ) + { + FT_Service_PsInfo service = NULL; + + + FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO ); + + if ( service && service->ps_get_font_extra ) + { + PS_FontExtraRec extra; + + + if ( !service->ps_get_font_extra( face, &extra ) && + extra.fs_type != 0 ) + return extra.fs_type; + } + } + + /* look at FSType before fsType for Type42 */ + + if ( ( os2 = (TT_OS2*)FT_Get_Sfnt_Table( face, FT_SFNT_OS2 ) ) != NULL && + os2->version != 0xFFFFU ) + return os2->fsType; + + return 0; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftgasp.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftgasp.c new file mode 100644 index 00000000000..4f80bba630c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftgasp.c @@ -0,0 +1,61 @@ +/***************************************************************************/ +/* */ +/* ftgasp.c */ +/* */ +/* Access of TrueType's `gasp' table (body). */ +/* */ +/* Copyright 2007-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_GASP_H +#include FT_INTERNAL_TRUETYPE_TYPES_H + + + FT_EXPORT_DEF( FT_Int ) + FT_Get_Gasp( FT_Face face, + FT_UInt ppem ) + { + FT_Int result = FT_GASP_NO_TABLE; + + + if ( face && FT_IS_SFNT( face ) ) + { + TT_Face ttface = (TT_Face)face; + + + if ( ttface->gasp.numRanges > 0 ) + { + TT_GaspRange range = ttface->gasp.gaspRanges; + TT_GaspRange range_end = range + ttface->gasp.numRanges; + + + while ( ppem > range->maxPPEM ) + { + range++; + if ( range >= range_end ) + goto Exit; + } + + result = range->gaspFlag; + + /* ensure that we don't have spurious bits */ + if ( ttface->gasp.version == 0 ) + result &= 3; + } + } + Exit: + return result; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftgloadr.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftgloadr.c new file mode 100644 index 00000000000..47202496b9c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftgloadr.c @@ -0,0 +1,406 @@ +/***************************************************************************/ +/* */ +/* ftgloadr.c */ +/* */ +/* The FreeType glyph loader (body). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_GLYPH_LOADER_H +#include FT_INTERNAL_MEMORY_H +#include FT_INTERNAL_OBJECTS_H + +#undef FT_COMPONENT +#define FT_COMPONENT trace_gloader + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** *****/ + /***** G L Y P H L O A D E R *****/ + /***** *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* The glyph loader is a simple object which is used to load a set of */ + /* glyphs easily. It is critical for the correct loading of composites. */ + /* */ + /* Ideally, one can see it as a stack of abstract `glyph' objects. */ + /* */ + /* loader.base Is really the bottom of the stack. It describes a */ + /* single glyph image made of the juxtaposition of */ + /* several glyphs (those `in the stack'). */ + /* */ + /* loader.current Describes the top of the stack, on which a new */ + /* glyph can be loaded. */ + /* */ + /* Rewind Clears the stack. */ + /* Prepare Set up `loader.current' for addition of a new glyph */ + /* image. */ + /* Add Add the `current' glyph image to the `base' one, */ + /* and prepare for another one. */ + /* */ + /* The glyph loader is now a base object. Each driver used to */ + /* re-implement it in one way or the other, which wasted code and */ + /* energy. */ + /* */ + /*************************************************************************/ + + + /* create a new glyph loader */ + FT_BASE_DEF( FT_Error ) + FT_GlyphLoader_New( FT_Memory memory, + FT_GlyphLoader *aloader ) + { + FT_GlyphLoader loader = NULL; + FT_Error error; + + + if ( !FT_NEW( loader ) ) + { + loader->memory = memory; + *aloader = loader; + } + return error; + } + + + /* rewind the glyph loader - reset counters to 0 */ + FT_BASE_DEF( void ) + FT_GlyphLoader_Rewind( FT_GlyphLoader loader ) + { + FT_GlyphLoad base = &loader->base; + FT_GlyphLoad current = &loader->current; + + + base->outline.n_points = 0; + base->outline.n_contours = 0; + base->num_subglyphs = 0; + + *current = *base; + } + + + /* reset the glyph loader, frees all allocated tables */ + /* and starts from zero */ + FT_BASE_DEF( void ) + FT_GlyphLoader_Reset( FT_GlyphLoader loader ) + { + FT_Memory memory = loader->memory; + + + FT_FREE( loader->base.outline.points ); + FT_FREE( loader->base.outline.tags ); + FT_FREE( loader->base.outline.contours ); + FT_FREE( loader->base.extra_points ); + FT_FREE( loader->base.subglyphs ); + + loader->base.extra_points2 = NULL; + + loader->max_points = 0; + loader->max_contours = 0; + loader->max_subglyphs = 0; + + FT_GlyphLoader_Rewind( loader ); + } + + + /* delete a glyph loader */ + FT_BASE_DEF( void ) + FT_GlyphLoader_Done( FT_GlyphLoader loader ) + { + if ( loader ) + { + FT_Memory memory = loader->memory; + + + FT_GlyphLoader_Reset( loader ); + FT_FREE( loader ); + } + } + + + /* re-adjust the `current' outline fields */ + static void + FT_GlyphLoader_Adjust_Points( FT_GlyphLoader loader ) + { + FT_Outline* base = &loader->base.outline; + FT_Outline* current = &loader->current.outline; + + + current->points = base->points + base->n_points; + current->tags = base->tags + base->n_points; + current->contours = base->contours + base->n_contours; + + /* handle extra points table - if any */ + if ( loader->use_extra ) + { + loader->current.extra_points = loader->base.extra_points + + base->n_points; + + loader->current.extra_points2 = loader->base.extra_points2 + + base->n_points; + } + } + + + FT_BASE_DEF( FT_Error ) + FT_GlyphLoader_CreateExtra( FT_GlyphLoader loader ) + { + FT_Error error; + FT_Memory memory = loader->memory; + + + if ( !FT_NEW_ARRAY( loader->base.extra_points, 2 * loader->max_points ) ) + { + loader->use_extra = 1; + loader->base.extra_points2 = loader->base.extra_points + + loader->max_points; + + FT_GlyphLoader_Adjust_Points( loader ); + } + return error; + } + + + /* re-adjust the `current' subglyphs field */ + static void + FT_GlyphLoader_Adjust_Subglyphs( FT_GlyphLoader loader ) + { + FT_GlyphLoad base = &loader->base; + FT_GlyphLoad current = &loader->current; + + + current->subglyphs = base->subglyphs + base->num_subglyphs; + } + + + /* Ensure that we can add `n_points' and `n_contours' to our glyph. */ + /* This function reallocates its outline tables if necessary. Note that */ + /* it DOESN'T change the number of points within the loader! */ + /* */ + FT_BASE_DEF( FT_Error ) + FT_GlyphLoader_CheckPoints( FT_GlyphLoader loader, + FT_UInt n_points, + FT_UInt n_contours ) + { + FT_Memory memory = loader->memory; + FT_Error error = FT_Err_Ok; + FT_Outline* base = &loader->base.outline; + FT_Outline* current = &loader->current.outline; + FT_Bool adjust = 0; + + FT_UInt new_max, old_max; + + + /* check points & tags */ + new_max = (FT_UInt)base->n_points + (FT_UInt)current->n_points + + n_points; + old_max = loader->max_points; + + if ( new_max > old_max ) + { + new_max = FT_PAD_CEIL( new_max, 8 ); + + if ( new_max > FT_OUTLINE_POINTS_MAX ) + return FT_THROW( Array_Too_Large ); + + if ( FT_RENEW_ARRAY( base->points, old_max, new_max ) || + FT_RENEW_ARRAY( base->tags, old_max, new_max ) ) + goto Exit; + + if ( loader->use_extra ) + { + if ( FT_RENEW_ARRAY( loader->base.extra_points, + old_max * 2, new_max * 2 ) ) + goto Exit; + + FT_ARRAY_MOVE( loader->base.extra_points + new_max, + loader->base.extra_points + old_max, + old_max ); + + loader->base.extra_points2 = loader->base.extra_points + new_max; + } + + adjust = 1; + loader->max_points = new_max; + } + + /* check contours */ + old_max = loader->max_contours; + new_max = (FT_UInt)base->n_contours + (FT_UInt)current->n_contours + + n_contours; + if ( new_max > old_max ) + { + new_max = FT_PAD_CEIL( new_max, 4 ); + + if ( new_max > FT_OUTLINE_CONTOURS_MAX ) + return FT_THROW( Array_Too_Large ); + + if ( FT_RENEW_ARRAY( base->contours, old_max, new_max ) ) + goto Exit; + + adjust = 1; + loader->max_contours = new_max; + } + + if ( adjust ) + FT_GlyphLoader_Adjust_Points( loader ); + + Exit: + if ( error ) + FT_GlyphLoader_Reset( loader ); + + return error; + } + + + /* Ensure that we can add `n_subglyphs' to our glyph. this function */ + /* reallocates its subglyphs table if necessary. Note that it DOES */ + /* NOT change the number of subglyphs within the loader! */ + /* */ + FT_BASE_DEF( FT_Error ) + FT_GlyphLoader_CheckSubGlyphs( FT_GlyphLoader loader, + FT_UInt n_subs ) + { + FT_Memory memory = loader->memory; + FT_Error error = FT_Err_Ok; + FT_UInt new_max, old_max; + + FT_GlyphLoad base = &loader->base; + FT_GlyphLoad current = &loader->current; + + + new_max = base->num_subglyphs + current->num_subglyphs + n_subs; + old_max = loader->max_subglyphs; + if ( new_max > old_max ) + { + new_max = FT_PAD_CEIL( new_max, 2 ); + if ( FT_RENEW_ARRAY( base->subglyphs, old_max, new_max ) ) + goto Exit; + + loader->max_subglyphs = new_max; + + FT_GlyphLoader_Adjust_Subglyphs( loader ); + } + + Exit: + return error; + } + + + /* prepare loader for the addition of a new glyph on top of the base one */ + FT_BASE_DEF( void ) + FT_GlyphLoader_Prepare( FT_GlyphLoader loader ) + { + FT_GlyphLoad current = &loader->current; + + + current->outline.n_points = 0; + current->outline.n_contours = 0; + current->num_subglyphs = 0; + + FT_GlyphLoader_Adjust_Points ( loader ); + FT_GlyphLoader_Adjust_Subglyphs( loader ); + } + + + /* add current glyph to the base image -- and prepare for another */ + FT_BASE_DEF( void ) + FT_GlyphLoader_Add( FT_GlyphLoader loader ) + { + FT_GlyphLoad base; + FT_GlyphLoad current; + + FT_Int n_curr_contours; + FT_Int n_base_points; + FT_Int n; + + + if ( !loader ) + return; + + base = &loader->base; + current = &loader->current; + + n_curr_contours = current->outline.n_contours; + n_base_points = base->outline.n_points; + + base->outline.n_points = + (short)( base->outline.n_points + current->outline.n_points ); + base->outline.n_contours = + (short)( base->outline.n_contours + current->outline.n_contours ); + + base->num_subglyphs += current->num_subglyphs; + + /* adjust contours count in newest outline */ + for ( n = 0; n < n_curr_contours; n++ ) + current->outline.contours[n] = + (short)( current->outline.contours[n] + n_base_points ); + + /* prepare for another new glyph image */ + FT_GlyphLoader_Prepare( loader ); + } + + + FT_BASE_DEF( FT_Error ) + FT_GlyphLoader_CopyPoints( FT_GlyphLoader target, + FT_GlyphLoader source ) + { + FT_Error error; + FT_UInt num_points = (FT_UInt)source->base.outline.n_points; + FT_UInt num_contours = (FT_UInt)source->base.outline.n_contours; + + + error = FT_GlyphLoader_CheckPoints( target, num_points, num_contours ); + if ( !error ) + { + FT_Outline* out = &target->base.outline; + FT_Outline* in = &source->base.outline; + + + FT_ARRAY_COPY( out->points, in->points, + num_points ); + FT_ARRAY_COPY( out->tags, in->tags, + num_points ); + FT_ARRAY_COPY( out->contours, in->contours, + num_contours ); + + /* do we need to copy the extra points? */ + if ( target->use_extra && source->use_extra ) + { + FT_ARRAY_COPY( target->base.extra_points, source->base.extra_points, + num_points ); + FT_ARRAY_COPY( target->base.extra_points2, source->base.extra_points2, + num_points ); + } + + out->n_points = (short)num_points; + out->n_contours = (short)num_contours; + + FT_GlyphLoader_Adjust_Points( target ); + } + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftglyph.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftglyph.c new file mode 100644 index 00000000000..6759aa25d0e --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftglyph.c @@ -0,0 +1,649 @@ +/***************************************************************************/ +/* */ +/* ftglyph.c */ +/* */ +/* FreeType convenience functions to handle glyphs (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* This file contains the definition of several convenience functions */ + /* that can be used by client applications to easily retrieve glyph */ + /* bitmaps and outlines from a given face. */ + /* */ + /* These functions should be optional if you are writing a font server */ + /* or text layout engine on top of FreeType. However, they are pretty */ + /* handy for many other simple uses of the library. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H + +#include FT_GLYPH_H +#include FT_OUTLINE_H +#include FT_BITMAP_H +#include FT_INTERNAL_OBJECTS_H + +#include "basepic.h" + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_glyph + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** FT_BitmapGlyph support ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + FT_CALLBACK_DEF( FT_Error ) + ft_bitmap_glyph_init( FT_Glyph bitmap_glyph, + FT_GlyphSlot slot ) + { + FT_BitmapGlyph glyph = (FT_BitmapGlyph)bitmap_glyph; + FT_Error error = FT_Err_Ok; + FT_Library library = FT_GLYPH( glyph )->library; + + + if ( slot->format != FT_GLYPH_FORMAT_BITMAP ) + { + error = FT_THROW( Invalid_Glyph_Format ); + goto Exit; + } + + glyph->left = slot->bitmap_left; + glyph->top = slot->bitmap_top; + + /* do lazy copying whenever possible */ + if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) + { + glyph->bitmap = slot->bitmap; + slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; + } + else + { + FT_Bitmap_Init( &glyph->bitmap ); + error = FT_Bitmap_Copy( library, &slot->bitmap, &glyph->bitmap ); + } + + Exit: + return error; + } + + + FT_CALLBACK_DEF( FT_Error ) + ft_bitmap_glyph_copy( FT_Glyph bitmap_source, + FT_Glyph bitmap_target ) + { + FT_Library library = bitmap_source->library; + FT_BitmapGlyph source = (FT_BitmapGlyph)bitmap_source; + FT_BitmapGlyph target = (FT_BitmapGlyph)bitmap_target; + + + target->left = source->left; + target->top = source->top; + + return FT_Bitmap_Copy( library, &source->bitmap, &target->bitmap ); + } + + + FT_CALLBACK_DEF( void ) + ft_bitmap_glyph_done( FT_Glyph bitmap_glyph ) + { + FT_BitmapGlyph glyph = (FT_BitmapGlyph)bitmap_glyph; + FT_Library library = FT_GLYPH( glyph )->library; + + + FT_Bitmap_Done( library, &glyph->bitmap ); + } + + + FT_CALLBACK_DEF( void ) + ft_bitmap_glyph_bbox( FT_Glyph bitmap_glyph, + FT_BBox* cbox ) + { + FT_BitmapGlyph glyph = (FT_BitmapGlyph)bitmap_glyph; + + + cbox->xMin = glyph->left * 64; + cbox->xMax = cbox->xMin + (FT_Pos)( glyph->bitmap.width * 64 ); + cbox->yMax = glyph->top * 64; + cbox->yMin = cbox->yMax - (FT_Pos)( glyph->bitmap.rows * 64 ); + } + + + FT_DEFINE_GLYPH( + ft_bitmap_glyph_class, + + sizeof ( FT_BitmapGlyphRec ), + FT_GLYPH_FORMAT_BITMAP, + + ft_bitmap_glyph_init, /* FT_Glyph_InitFunc glyph_init */ + ft_bitmap_glyph_done, /* FT_Glyph_DoneFunc glyph_done */ + ft_bitmap_glyph_copy, /* FT_Glyph_CopyFunc glyph_copy */ + NULL, /* FT_Glyph_TransformFunc glyph_transform */ + ft_bitmap_glyph_bbox, /* FT_Glyph_GetBBoxFunc glyph_bbox */ + NULL /* FT_Glyph_PrepareFunc glyph_prepare */ + ) + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** FT_OutlineGlyph support ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + + FT_CALLBACK_DEF( FT_Error ) + ft_outline_glyph_init( FT_Glyph outline_glyph, + FT_GlyphSlot slot ) + { + FT_OutlineGlyph glyph = (FT_OutlineGlyph)outline_glyph; + FT_Error error = FT_Err_Ok; + FT_Library library = FT_GLYPH( glyph )->library; + FT_Outline* source = &slot->outline; + FT_Outline* target = &glyph->outline; + + + /* check format in glyph slot */ + if ( slot->format != FT_GLYPH_FORMAT_OUTLINE ) + { + error = FT_THROW( Invalid_Glyph_Format ); + goto Exit; + } + + /* allocate new outline */ + error = FT_Outline_New( library, + (FT_UInt)source->n_points, + source->n_contours, + &glyph->outline ); + if ( error ) + goto Exit; + + FT_Outline_Copy( source, target ); + + Exit: + return error; + } + + + FT_CALLBACK_DEF( void ) + ft_outline_glyph_done( FT_Glyph outline_glyph ) + { + FT_OutlineGlyph glyph = (FT_OutlineGlyph)outline_glyph; + + + FT_Outline_Done( FT_GLYPH( glyph )->library, &glyph->outline ); + } + + + FT_CALLBACK_DEF( FT_Error ) + ft_outline_glyph_copy( FT_Glyph outline_source, + FT_Glyph outline_target ) + { + FT_OutlineGlyph source = (FT_OutlineGlyph)outline_source; + FT_OutlineGlyph target = (FT_OutlineGlyph)outline_target; + FT_Error error; + FT_Library library = FT_GLYPH( source )->library; + + + error = FT_Outline_New( library, + (FT_UInt)source->outline.n_points, + source->outline.n_contours, + &target->outline ); + if ( !error ) + FT_Outline_Copy( &source->outline, &target->outline ); + + return error; + } + + + FT_CALLBACK_DEF( void ) + ft_outline_glyph_transform( FT_Glyph outline_glyph, + const FT_Matrix* matrix, + const FT_Vector* delta ) + { + FT_OutlineGlyph glyph = (FT_OutlineGlyph)outline_glyph; + + + if ( matrix ) + FT_Outline_Transform( &glyph->outline, matrix ); + + if ( delta ) + FT_Outline_Translate( &glyph->outline, delta->x, delta->y ); + } + + + FT_CALLBACK_DEF( void ) + ft_outline_glyph_bbox( FT_Glyph outline_glyph, + FT_BBox* bbox ) + { + FT_OutlineGlyph glyph = (FT_OutlineGlyph)outline_glyph; + + + FT_Outline_Get_CBox( &glyph->outline, bbox ); + } + + + FT_CALLBACK_DEF( FT_Error ) + ft_outline_glyph_prepare( FT_Glyph outline_glyph, + FT_GlyphSlot slot ) + { + FT_OutlineGlyph glyph = (FT_OutlineGlyph)outline_glyph; + + + slot->format = FT_GLYPH_FORMAT_OUTLINE; + slot->outline = glyph->outline; + slot->outline.flags &= ~FT_OUTLINE_OWNER; + + return FT_Err_Ok; + } + + + FT_DEFINE_GLYPH( + ft_outline_glyph_class, + + sizeof ( FT_OutlineGlyphRec ), + FT_GLYPH_FORMAT_OUTLINE, + + ft_outline_glyph_init, /* FT_Glyph_InitFunc glyph_init */ + ft_outline_glyph_done, /* FT_Glyph_DoneFunc glyph_done */ + ft_outline_glyph_copy, /* FT_Glyph_CopyFunc glyph_copy */ + ft_outline_glyph_transform, /* FT_Glyph_TransformFunc glyph_transform */ + ft_outline_glyph_bbox, /* FT_Glyph_GetBBoxFunc glyph_bbox */ + ft_outline_glyph_prepare /* FT_Glyph_PrepareFunc glyph_prepare */ + ) + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** FT_Glyph class and API ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + static FT_Error + ft_new_glyph( FT_Library library, + const FT_Glyph_Class* clazz, + FT_Glyph* aglyph ) + { + FT_Memory memory = library->memory; + FT_Error error; + FT_Glyph glyph = NULL; + + + *aglyph = NULL; + + if ( !FT_ALLOC( glyph, clazz->glyph_size ) ) + { + glyph->library = library; + glyph->clazz = clazz; + glyph->format = clazz->glyph_format; + + *aglyph = glyph; + } + + return error; + } + + + /* documentation is in ftglyph.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Glyph_Copy( FT_Glyph source, + FT_Glyph *target ) + { + FT_Glyph copy; + FT_Error error; + const FT_Glyph_Class* clazz; + + + /* check arguments */ + if ( !target || !source || !source->clazz ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + *target = NULL; + + if ( !source || !source->clazz ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + clazz = source->clazz; + error = ft_new_glyph( source->library, clazz, © ); + if ( error ) + goto Exit; + + copy->advance = source->advance; + copy->format = source->format; + + if ( clazz->glyph_copy ) + error = clazz->glyph_copy( source, copy ); + + if ( error ) + FT_Done_Glyph( copy ); + else + *target = copy; + + Exit: + return error; + } + + + /* documentation is in ftglyph.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Glyph( FT_GlyphSlot slot, + FT_Glyph *aglyph ) + { + FT_Library library; + FT_Error error; + FT_Glyph glyph; + + const FT_Glyph_Class* clazz = NULL; + + + if ( !slot ) + return FT_THROW( Invalid_Slot_Handle ); + + library = slot->library; + + if ( !aglyph ) + return FT_THROW( Invalid_Argument ); + + /* if it is a bitmap, that's easy :-) */ + if ( slot->format == FT_GLYPH_FORMAT_BITMAP ) + clazz = FT_BITMAP_GLYPH_CLASS_GET; + + /* if it is an outline */ + else if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) + clazz = FT_OUTLINE_GLYPH_CLASS_GET; + + else + { + /* try to find a renderer that supports the glyph image format */ + FT_Renderer render = FT_Lookup_Renderer( library, slot->format, 0 ); + + + if ( render ) + clazz = &render->glyph_class; + } + + if ( !clazz ) + { + error = FT_THROW( Invalid_Glyph_Format ); + goto Exit; + } + + /* create FT_Glyph object */ + error = ft_new_glyph( library, clazz, &glyph ); + if ( error ) + goto Exit; + + /* copy advance while converting 26.6 to 16.16 format */ + if ( slot->advance.x >= 0x8000L * 64 || + slot->advance.x <= -0x8000L * 64 ) + { + FT_ERROR(( "FT_Get_Glyph: advance width too large\n" )); + error = FT_THROW( Invalid_Argument ); + goto Exit2; + } + if ( slot->advance.y >= 0x8000L * 64 || + slot->advance.y <= -0x8000L * 64 ) + { + FT_ERROR(( "FT_Get_Glyph: advance height too large\n" )); + error = FT_THROW( Invalid_Argument ); + goto Exit2; + } + + glyph->advance.x = slot->advance.x * 1024; + glyph->advance.y = slot->advance.y * 1024; + + /* now import the image from the glyph slot */ + error = clazz->glyph_init( glyph, slot ); + + Exit2: + /* if an error occurred, destroy the glyph */ + if ( error ) + FT_Done_Glyph( glyph ); + else + *aglyph = glyph; + + Exit: + return error; + } + + + /* documentation is in ftglyph.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Glyph_Transform( FT_Glyph glyph, + FT_Matrix* matrix, + FT_Vector* delta ) + { + FT_Error error = FT_Err_Ok; + + + if ( !glyph || !glyph->clazz ) + error = FT_THROW( Invalid_Argument ); + else + { + const FT_Glyph_Class* clazz = glyph->clazz; + + + if ( clazz->glyph_transform ) + { + /* transform glyph image */ + clazz->glyph_transform( glyph, matrix, delta ); + + /* transform advance vector */ + if ( matrix ) + FT_Vector_Transform( &glyph->advance, matrix ); + } + else + error = FT_THROW( Invalid_Glyph_Format ); + } + return error; + } + + + /* documentation is in ftglyph.h */ + + FT_EXPORT_DEF( void ) + FT_Glyph_Get_CBox( FT_Glyph glyph, + FT_UInt bbox_mode, + FT_BBox *acbox ) + { + const FT_Glyph_Class* clazz; + + + if ( !acbox ) + return; + + acbox->xMin = acbox->yMin = acbox->xMax = acbox->yMax = 0; + + if ( !glyph || !glyph->clazz ) + return; + + clazz = glyph->clazz; + if ( !clazz->glyph_bbox ) + return; + + /* retrieve bbox in 26.6 coordinates */ + clazz->glyph_bbox( glyph, acbox ); + + /* perform grid fitting if needed */ + if ( bbox_mode == FT_GLYPH_BBOX_GRIDFIT || + bbox_mode == FT_GLYPH_BBOX_PIXELS ) + { + acbox->xMin = FT_PIX_FLOOR( acbox->xMin ); + acbox->yMin = FT_PIX_FLOOR( acbox->yMin ); + acbox->xMax = FT_PIX_CEIL( acbox->xMax ); + acbox->yMax = FT_PIX_CEIL( acbox->yMax ); + } + + /* convert to integer pixels if needed */ + if ( bbox_mode == FT_GLYPH_BBOX_TRUNCATE || + bbox_mode == FT_GLYPH_BBOX_PIXELS ) + { + acbox->xMin >>= 6; + acbox->yMin >>= 6; + acbox->xMax >>= 6; + acbox->yMax >>= 6; + } + } + + + /* documentation is in ftglyph.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Glyph_To_Bitmap( FT_Glyph* the_glyph, + FT_Render_Mode render_mode, + FT_Vector* origin, + FT_Bool destroy ) + { + FT_GlyphSlotRec dummy; + FT_GlyphSlot_InternalRec dummy_internal; + FT_Error error = FT_Err_Ok; + FT_Glyph b, glyph; + FT_BitmapGlyph bitmap = NULL; + const FT_Glyph_Class* clazz; + + /* FT_BITMAP_GLYPH_CLASS_GET dereferences `library' in PIC mode */ + FT_Library library; + + + /* check argument */ + if ( !the_glyph ) + goto Bad; + glyph = *the_glyph; + if ( !glyph ) + goto Bad; + + clazz = glyph->clazz; + library = glyph->library; + if ( !library || !clazz ) + goto Bad; + + /* when called with a bitmap glyph, do nothing and return successfully */ + if ( clazz == FT_BITMAP_GLYPH_CLASS_GET ) + goto Exit; + + if ( !clazz->glyph_prepare ) + goto Bad; + + /* we render the glyph into a glyph bitmap using a `dummy' glyph slot */ + /* then calling FT_Render_Glyph_Internal() */ + + FT_ZERO( &dummy ); + FT_ZERO( &dummy_internal ); + dummy.internal = &dummy_internal; + dummy.library = library; + dummy.format = clazz->glyph_format; + + /* create result bitmap glyph */ + error = ft_new_glyph( library, FT_BITMAP_GLYPH_CLASS_GET, &b ); + if ( error ) + goto Exit; + bitmap = (FT_BitmapGlyph)b; + +#if 1 + /* if `origin' is set, translate the glyph image */ + if ( origin ) + FT_Glyph_Transform( glyph, 0, origin ); +#else + FT_UNUSED( origin ); +#endif + + /* prepare dummy slot for rendering */ + error = clazz->glyph_prepare( glyph, &dummy ); + if ( !error ) + error = FT_Render_Glyph_Internal( glyph->library, &dummy, render_mode ); + +#if 1 + if ( !destroy && origin ) + { + FT_Vector v; + + + v.x = -origin->x; + v.y = -origin->y; + FT_Glyph_Transform( glyph, 0, &v ); + } +#endif + + if ( error ) + goto Exit; + + /* in case of success, copy the bitmap to the glyph bitmap */ + error = ft_bitmap_glyph_init( (FT_Glyph)bitmap, &dummy ); + if ( error ) + goto Exit; + + /* copy advance */ + bitmap->root.advance = glyph->advance; + + if ( destroy ) + FT_Done_Glyph( glyph ); + + *the_glyph = FT_GLYPH( bitmap ); + + Exit: + if ( error && bitmap ) + FT_Done_Glyph( FT_GLYPH( bitmap ) ); + + return error; + + Bad: + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + + /* documentation is in ftglyph.h */ + + FT_EXPORT_DEF( void ) + FT_Done_Glyph( FT_Glyph glyph ) + { + if ( glyph ) + { + FT_Memory memory = glyph->library->memory; + const FT_Glyph_Class* clazz = glyph->clazz; + + + if ( clazz->glyph_done ) + clazz->glyph_done( glyph ); + + FT_FREE( glyph ); + } + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/fthash.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/fthash.c new file mode 100644 index 00000000000..21bc8dd5b42 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/fthash.c @@ -0,0 +1,339 @@ +/***************************************************************************/ +/* */ +/* fthash.c */ +/* */ +/* Hashing functions (body). */ +/* */ +/***************************************************************************/ + +/* + * Copyright 2000 Computing Research Labs, New Mexico State University + * Copyright 2001-2015 + * Francesco Zappa Nardelli + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT + * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + /*************************************************************************/ + /* */ + /* This file is based on code from bdf.c,v 1.22 2000/03/16 20:08:50 */ + /* */ + /* taken from Mark Leisher's xmbdfed package */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_HASH_H +#include FT_INTERNAL_MEMORY_H + + +#define INITIAL_HT_SIZE 241 + + + static FT_ULong + hash_str_lookup( FT_Hashkey* key ) + { + const char* kp = key->str; + FT_ULong res = 0; + + + /* Mocklisp hash function. */ + while ( *kp ) + res = ( res << 5 ) - res + (FT_ULong)*kp++; + + return res; + } + + + static FT_ULong + hash_num_lookup( FT_Hashkey* key ) + { + FT_ULong num = (FT_ULong)key->num; + FT_ULong res; + + + /* Mocklisp hash function. */ + res = num & 0xFF; + res = ( res << 5 ) - res + ( ( num >> 8 ) & 0xFF ); + res = ( res << 5 ) - res + ( ( num >> 16 ) & 0xFF ); + res = ( res << 5 ) - res + ( ( num >> 24 ) & 0xFF ); + + return res; + } + + + static FT_Bool + hash_str_compare( FT_Hashkey* a, + FT_Hashkey* b ) + { + if ( a->str[0] == b->str[0] && + ft_strcmp( a->str, b->str ) == 0 ) + return 1; + + return 0; + } + + + static FT_Bool + hash_num_compare( FT_Hashkey* a, + FT_Hashkey* b ) + { + if ( a->num == b->num ) + return 1; + + return 0; + } + + + static FT_Hashnode* + hash_bucket( FT_Hashkey key, + FT_Hash hash ) + { + FT_ULong res = 0; + FT_Hashnode* bp = hash->table; + FT_Hashnode* ndp; + + + res = (hash->lookup)( &key ); + + ndp = bp + ( res % hash->size ); + while ( *ndp ) + { + if ( (hash->compare)( &(*ndp)->key, &key ) ) + break; + + ndp--; + if ( ndp < bp ) + ndp = bp + ( hash->size - 1 ); + } + + return ndp; + } + + + static FT_Error + hash_rehash( FT_Hash hash, + FT_Memory memory ) + { + FT_Hashnode* obp = hash->table; + FT_Hashnode* bp; + FT_Hashnode* nbp; + + FT_UInt i, sz = hash->size; + FT_Error error = FT_Err_Ok; + + + hash->size <<= 1; + hash->limit = hash->size / 3; + + if ( FT_NEW_ARRAY( hash->table, hash->size ) ) + goto Exit; + + for ( i = 0, bp = obp; i < sz; i++, bp++ ) + { + if ( *bp ) + { + nbp = hash_bucket( (*bp)->key, hash ); + *nbp = *bp; + } + } + + FT_FREE( obp ); + + Exit: + return error; + } + + + static FT_Error + hash_init( FT_Hash hash, + FT_Bool is_num, + FT_Memory memory ) + { + FT_UInt sz = INITIAL_HT_SIZE; + FT_Error error; + + + hash->size = sz; + hash->limit = sz / 3; + hash->used = 0; + + if ( is_num ) + { + hash->lookup = hash_num_lookup; + hash->compare = hash_num_compare; + } + else + { + hash->lookup = hash_str_lookup; + hash->compare = hash_str_compare; + } + + FT_MEM_NEW_ARRAY( hash->table, sz ); + + return error; + } + + + FT_Error + ft_hash_str_init( FT_Hash hash, + FT_Memory memory ) + { + return hash_init( hash, 0, memory ); + } + + + FT_Error + ft_hash_num_init( FT_Hash hash, + FT_Memory memory ) + { + return hash_init( hash, 1, memory ); + } + + + void + ft_hash_str_free( FT_Hash hash, + FT_Memory memory ) + { + if ( hash ) + { + FT_UInt sz = hash->size; + FT_Hashnode* bp = hash->table; + FT_UInt i; + + + for ( i = 0; i < sz; i++, bp++ ) + FT_FREE( *bp ); + + FT_FREE( hash->table ); + } + } + + + /* `ft_hash_num_free' is the same as `ft_hash_str_free' */ + + + static FT_Error + hash_insert( FT_Hashkey key, + size_t data, + FT_Hash hash, + FT_Memory memory ) + { + FT_Hashnode nn; + FT_Hashnode* bp = hash_bucket( key, hash ); + FT_Error error = FT_Err_Ok; + + + nn = *bp; + if ( !nn ) + { + if ( FT_NEW( nn ) ) + goto Exit; + *bp = nn; + + nn->key = key; + nn->data = data; + + if ( hash->used >= hash->limit ) + { + error = hash_rehash( hash, memory ); + if ( error ) + goto Exit; + } + + hash->used++; + } + else + nn->data = data; + + Exit: + return error; + } + + + FT_Error + ft_hash_str_insert( const char* key, + size_t data, + FT_Hash hash, + FT_Memory memory ) + { + FT_Hashkey hk; + + + hk.str = key; + + return hash_insert( hk, data, hash, memory ); + } + + + FT_Error + ft_hash_num_insert( FT_Int num, + size_t data, + FT_Hash hash, + FT_Memory memory ) + { + FT_Hashkey hk; + + + hk.num = num; + + return hash_insert( hk, data, hash, memory ); + } + + + static size_t* + hash_lookup( FT_Hashkey key, + FT_Hash hash ) + { + FT_Hashnode* np = hash_bucket( key, hash ); + + + return (*np) ? &(*np)->data + : NULL; + } + + + size_t* + ft_hash_str_lookup( const char* key, + FT_Hash hash ) + { + FT_Hashkey hk; + + + hk.str = key; + + return hash_lookup( hk, hash ); + } + + + size_t* + ft_hash_num_lookup( FT_Int num, + FT_Hash hash ) + { + FT_Hashkey hk; + + + hk.num = num; + + return hash_lookup( hk, hash ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftinit.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftinit.c new file mode 100644 index 00000000000..1fa4721094a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftinit.c @@ -0,0 +1,376 @@ +/***************************************************************************/ +/* */ +/* ftinit.c */ +/* */ +/* FreeType initialization layer (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* The purpose of this file is to implement the following two */ + /* functions: */ + /* */ + /* FT_Add_Default_Modules(): */ + /* This function is used to add the set of default modules to a */ + /* fresh new library object. The set is taken from the header file */ + /* `freetype/config/ftmodule.h'. See the document `FreeType 2.0 */ + /* Build System' for more information. */ + /* */ + /* FT_Init_FreeType(): */ + /* This function creates a system object for the current platform, */ + /* builds a library out of it, then calls FT_Default_Drivers(). */ + /* */ + /* Note that even if FT_Init_FreeType() uses the implementation of the */ + /* system object defined at build time, client applications are still */ + /* able to provide their own `ftsystem.c'. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H +#include FT_MODULE_H +#include "basepic.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_init + + +#ifndef FT_CONFIG_OPTION_PIC + + +#undef FT_USE_MODULE +#ifdef __cplusplus +#define FT_USE_MODULE( type, x ) extern "C" const type x; +#else +#define FT_USE_MODULE( type, x ) extern const type x; +#endif + +#include FT_CONFIG_MODULES_H + +#undef FT_USE_MODULE +#define FT_USE_MODULE( type, x ) (const FT_Module_Class*)&(x), + + static + const FT_Module_Class* const ft_default_modules[] = + { +#include FT_CONFIG_MODULES_H + 0 + }; + + +#else /* FT_CONFIG_OPTION_PIC */ + + +#ifdef __cplusplus +#define FT_EXTERNC extern "C" +#else +#define FT_EXTERNC extern +#endif + + /* declare the module's class creation/destruction functions */ +#undef FT_USE_MODULE +#define FT_USE_MODULE( type, x ) \ + FT_EXTERNC FT_Error \ + FT_Create_Class_ ## x( FT_Library library, \ + FT_Module_Class* *output_class ); \ + FT_EXTERNC void \ + FT_Destroy_Class_ ## x( FT_Library library, \ + FT_Module_Class* clazz ); + +#include FT_CONFIG_MODULES_H + + /* count all module classes */ +#undef FT_USE_MODULE +#define FT_USE_MODULE( type, x ) MODULE_CLASS_ ## x, + + enum + { +#include FT_CONFIG_MODULES_H + FT_NUM_MODULE_CLASSES + }; + + /* destroy all module classes */ +#undef FT_USE_MODULE +#define FT_USE_MODULE( type, x ) \ + if ( classes[i] ) \ + { \ + FT_Destroy_Class_ ## x( library, classes[i] ); \ + } \ + i++; + + + FT_BASE_DEF( void ) + ft_destroy_default_module_classes( FT_Library library ) + { + FT_Module_Class* *classes; + FT_Memory memory; + FT_UInt i; + BasePIC* pic_container = (BasePIC*)library->pic_container.base; + + + if ( !pic_container->default_module_classes ) + return; + + memory = library->memory; + classes = pic_container->default_module_classes; + i = 0; + +#include FT_CONFIG_MODULES_H + + FT_FREE( classes ); + pic_container->default_module_classes = NULL; + } + + + /* initialize all module classes and the pointer table */ +#undef FT_USE_MODULE +#define FT_USE_MODULE( type, x ) \ + error = FT_Create_Class_ ## x( library, &clazz ); \ + if ( error ) \ + goto Exit; \ + classes[i++] = clazz; + + + FT_BASE_DEF( FT_Error ) + ft_create_default_module_classes( FT_Library library ) + { + FT_Error error; + FT_Memory memory; + FT_Module_Class* *classes = NULL; + FT_Module_Class* clazz; + FT_UInt i; + BasePIC* pic_container = (BasePIC*)library->pic_container.base; + + + memory = library->memory; + + pic_container->default_module_classes = NULL; + + if ( FT_ALLOC( classes, sizeof ( FT_Module_Class* ) * + ( FT_NUM_MODULE_CLASSES + 1 ) ) ) + return error; + + /* initialize all pointers to 0, especially the last one */ + for ( i = 0; i < FT_NUM_MODULE_CLASSES; i++ ) + classes[i] = NULL; + classes[FT_NUM_MODULE_CLASSES] = NULL; + + i = 0; + +#include FT_CONFIG_MODULES_H + + Exit: + if ( error ) + ft_destroy_default_module_classes( library ); + else + pic_container->default_module_classes = classes; + + return error; + } + + +#endif /* FT_CONFIG_OPTION_PIC */ + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( void ) + FT_Add_Default_Modules( FT_Library library ) + { + FT_Error error; + const FT_Module_Class* const* cur; + + + /* FT_DEFAULT_MODULES_GET dereferences `library' in PIC mode */ +#ifdef FT_CONFIG_OPTION_PIC + if ( !library ) + return; +#endif + + /* GCC 4.6 warns the type difference: + * FT_Module_Class** != const FT_Module_Class* const* + */ + cur = (const FT_Module_Class* const*)FT_DEFAULT_MODULES_GET; + + /* test for valid `library' delayed to FT_Add_Module() */ + while ( *cur ) + { + error = FT_Add_Module( library, *cur ); + /* notify errors, but don't stop */ + if ( error ) + FT_TRACE0(( "FT_Add_Default_Module:" + " Cannot install `%s', error = 0x%x\n", + (*cur)->module_name, error )); + cur++; + } + } + + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + +#define MAX_LENGTH 128 + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( void ) + FT_Set_Default_Properties( FT_Library library ) + { + const char* env; + const char* p; + const char* q; + + char module_name[MAX_LENGTH + 1]; + char property_name[MAX_LENGTH + 1]; + char property_value[MAX_LENGTH + 1]; + + int i; + + + env = ft_getenv( "FREETYPE_PROPERTIES" ); + if ( !env ) + return; + + for ( p = env; *p; p++ ) + { + /* skip leading whitespace and separators */ + if ( *p == ' ' || *p == '\t' ) + continue; + + /* read module name, followed by `:' */ + q = p; + for ( i = 0; i < MAX_LENGTH; i++ ) + { + if ( !*p || *p == ':' ) + break; + module_name[i] = *p++; + } + module_name[i] = '\0'; + + if ( !*p || *p != ':' || p == q ) + break; + + /* read property name, followed by `=' */ + q = ++p; + for ( i = 0; i < MAX_LENGTH; i++ ) + { + if ( !*p || *p == '=' ) + break; + property_name[i] = *p++; + } + property_name[i] = '\0'; + + if ( !*p || *p != '=' || p == q ) + break; + + /* read property value, followed by whitespace (if any) */ + q = ++p; + for ( i = 0; i < MAX_LENGTH; i++ ) + { + if ( !*p || *p == ' ' || *p == '\t' ) + break; + property_value[i] = *p++; + } + property_value[i] = '\0'; + + if ( !( *p == '\0' || *p == ' ' || *p == '\t' ) || p == q ) + break; + + /* we completely ignore errors */ + ft_property_string_set( library, + module_name, + property_name, + property_value ); + } + } + +#else + + FT_EXPORT_DEF( void ) + FT_Set_Default_Properties( FT_Library library ) + { + FT_UNUSED( library ); + } + +#endif + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Init_FreeType( FT_Library *alibrary ) + { + FT_Error error; + FT_Memory memory; + + + /* check of `alibrary' delayed to `FT_New_Library' */ + + /* First of all, allocate a new system object -- this function is part */ + /* of the system-specific component, i.e. `ftsystem.c'. */ + + memory = FT_New_Memory(); + if ( !memory ) + { + FT_ERROR(( "FT_Init_FreeType: cannot find memory manager\n" )); + return FT_THROW( Unimplemented_Feature ); + } + + /* build a library out of it, then fill it with the set of */ + /* default drivers. */ + + error = FT_New_Library( memory, alibrary ); + if ( error ) + FT_Done_Memory( memory ); + else + FT_Add_Default_Modules( *alibrary ); + + FT_Set_Default_Properties( *alibrary ); + + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Done_FreeType( FT_Library library ) + { + FT_Memory memory; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + memory = library->memory; + + /* Discard the library object */ + FT_Done_Library( library ); + + /* discard memory manager */ + FT_Done_Memory( memory ); + + return FT_Err_Ok; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftlcdfil.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftlcdfil.c new file mode 100644 index 00000000000..5c38911a907 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftlcdfil.c @@ -0,0 +1,383 @@ +/***************************************************************************/ +/* */ +/* ftlcdfil.c */ +/* */ +/* FreeType API for color filtering of subpixel bitmap glyphs (body). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H + +#include FT_LCD_FILTER_H +#include FT_IMAGE_H +#include FT_INTERNAL_OBJECTS_H + + +#ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING + +/* define USE_LEGACY to implement the legacy filter */ +#define USE_LEGACY + +#define FT_SHIFTCLAMP( x ) ( x >>= 8, (FT_Byte)( x > 255 ? 255 : x ) ) + + + /* add padding according to filter weights */ + FT_BASE_DEF (void) + ft_lcd_padding( FT_Pos* Min, + FT_Pos* Max, + FT_GlyphSlot slot ) + { + FT_Byte* lcd_weights; + FT_Bitmap_LcdFilterFunc lcd_filter_func; + + + /* Per-face LCD filtering takes priority if set up. */ + if ( slot->face && slot->face->internal->lcd_filter_func ) + { + lcd_weights = slot->face->internal->lcd_weights; + lcd_filter_func = slot->face->internal->lcd_filter_func; + } + else + { + lcd_weights = slot->library->lcd_weights; + lcd_filter_func = slot->library->lcd_filter_func; + } + + if ( lcd_filter_func == ft_lcd_filter_fir ) + { + *Min -= lcd_weights[0] ? 43 : + lcd_weights[1] ? 22 : 0; + *Max += lcd_weights[4] ? 43 : + lcd_weights[3] ? 22 : 0; + } + } + + + /* FIR filter used by the default and light filters */ + FT_BASE_DEF( void ) + ft_lcd_filter_fir( FT_Bitmap* bitmap, + FT_Render_Mode mode, + FT_LcdFiveTapFilter weights ) + { + FT_UInt width = (FT_UInt)bitmap->width; + FT_UInt height = (FT_UInt)bitmap->rows; + FT_Int pitch = bitmap->pitch; + FT_Byte* origin = bitmap->buffer; + + + /* take care of bitmap flow */ + if ( pitch > 0 ) + origin += pitch * (FT_Int)( height - 1 ); + + /* horizontal in-place FIR filter */ + if ( mode == FT_RENDER_MODE_LCD && width >= 2 ) + { + FT_Byte* line = origin; + + + /* `fir' must be at least 32 bit wide, since the sum of */ + /* the values in `weights' can exceed 0xFF */ + + for ( ; height > 0; height--, line -= pitch ) + { + FT_UInt fir[5]; + FT_UInt val, xx; + + + val = line[0]; + fir[2] = weights[2] * val; + fir[3] = weights[3] * val; + fir[4] = weights[4] * val; + + val = line[1]; + fir[1] = fir[2] + weights[1] * val; + fir[2] = fir[3] + weights[2] * val; + fir[3] = fir[4] + weights[3] * val; + fir[4] = weights[4] * val; + + for ( xx = 2; xx < width; xx++ ) + { + val = line[xx]; + fir[0] = fir[1] + weights[0] * val; + fir[1] = fir[2] + weights[1] * val; + fir[2] = fir[3] + weights[2] * val; + fir[3] = fir[4] + weights[3] * val; + fir[4] = weights[4] * val; + + line[xx - 2] = FT_SHIFTCLAMP( fir[0] ); + } + + line[xx - 2] = FT_SHIFTCLAMP( fir[1] ); + line[xx - 1] = FT_SHIFTCLAMP( fir[2] ); + } + } + + /* vertical in-place FIR filter */ + else if ( mode == FT_RENDER_MODE_LCD_V && height >= 2 ) + { + FT_Byte* column = origin; + + + for ( ; width > 0; width--, column++ ) + { + FT_Byte* col = column; + FT_UInt fir[5]; + FT_UInt val, yy; + + + val = col[0]; + fir[2] = weights[2] * val; + fir[3] = weights[3] * val; + fir[4] = weights[4] * val; + col -= pitch; + + val = col[0]; + fir[1] = fir[2] + weights[1] * val; + fir[2] = fir[3] + weights[2] * val; + fir[3] = fir[4] + weights[3] * val; + fir[4] = weights[4] * val; + col -= pitch; + + for ( yy = 2; yy < height; yy++, col -= pitch ) + { + val = col[0]; + fir[0] = fir[1] + weights[0] * val; + fir[1] = fir[2] + weights[1] * val; + fir[2] = fir[3] + weights[2] * val; + fir[3] = fir[4] + weights[3] * val; + fir[4] = weights[4] * val; + + col[pitch * 2] = FT_SHIFTCLAMP( fir[0] ); + } + + col[pitch * 2] = FT_SHIFTCLAMP( fir[1] ); + col[pitch] = FT_SHIFTCLAMP( fir[2] ); + } + } + } + + +#ifdef USE_LEGACY + + /* intra-pixel filter used by the legacy filter */ + static void + _ft_lcd_filter_legacy( FT_Bitmap* bitmap, + FT_Render_Mode mode, + FT_Byte* weights ) + { + FT_UInt width = (FT_UInt)bitmap->width; + FT_UInt height = (FT_UInt)bitmap->rows; + FT_Int pitch = bitmap->pitch; + FT_Byte* origin = bitmap->buffer; + + static const unsigned int filters[3][3] = + { + { 65538 * 9/13, 65538 * 1/6, 65538 * 1/13 }, + { 65538 * 3/13, 65538 * 4/6, 65538 * 3/13 }, + { 65538 * 1/13, 65538 * 1/6, 65538 * 9/13 } + }; + + FT_UNUSED( weights ); + + + /* take care of bitmap flow */ + if ( pitch > 0 ) + origin += pitch * (FT_Int)( height - 1 ); + + /* horizontal in-place intra-pixel filter */ + if ( mode == FT_RENDER_MODE_LCD && width >= 3 ) + { + FT_Byte* line = origin; + + + for ( ; height > 0; height--, line -= pitch ) + { + FT_UInt xx; + + + for ( xx = 0; xx < width; xx += 3 ) + { + FT_UInt r, g, b; + FT_UInt p; + + + p = line[xx]; + r = filters[0][0] * p; + g = filters[0][1] * p; + b = filters[0][2] * p; + + p = line[xx + 1]; + r += filters[1][0] * p; + g += filters[1][1] * p; + b += filters[1][2] * p; + + p = line[xx + 2]; + r += filters[2][0] * p; + g += filters[2][1] * p; + b += filters[2][2] * p; + + line[xx] = (FT_Byte)( r / 65536 ); + line[xx + 1] = (FT_Byte)( g / 65536 ); + line[xx + 2] = (FT_Byte)( b / 65536 ); + } + } + } + else if ( mode == FT_RENDER_MODE_LCD_V && height >= 3 ) + { + FT_Byte* column = origin; + + + for ( ; width > 0; width--, column++ ) + { + FT_Byte* col = column - 2 * pitch; + + + for ( ; height > 0; height -= 3, col -= 3 * pitch ) + { + FT_UInt r, g, b; + FT_UInt p; + + + p = col[0]; + r = filters[0][0] * p; + g = filters[0][1] * p; + b = filters[0][2] * p; + + p = col[pitch]; + r += filters[1][0] * p; + g += filters[1][1] * p; + b += filters[1][2] * p; + + p = col[pitch * 2]; + r += filters[2][0] * p; + g += filters[2][1] * p; + b += filters[2][2] * p; + + col[0] = (FT_Byte)( r / 65536 ); + col[pitch] = (FT_Byte)( g / 65536 ); + col[pitch * 2] = (FT_Byte)( b / 65536 ); + } + } + } + } + +#endif /* USE_LEGACY */ + + + FT_EXPORT_DEF( FT_Error ) + FT_Library_SetLcdFilterWeights( FT_Library library, + unsigned char *weights ) + { + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !weights ) + return FT_THROW( Invalid_Argument ); + + ft_memcpy( library->lcd_weights, weights, FT_LCD_FILTER_FIVE_TAPS ); + library->lcd_filter_func = ft_lcd_filter_fir; + + return FT_Err_Ok; + } + + + FT_EXPORT_DEF( FT_Error ) + FT_Library_SetLcdFilter( FT_Library library, + FT_LcdFilter filter ) + { + static const FT_LcdFiveTapFilter default_weights = + { 0x08, 0x4d, 0x56, 0x4d, 0x08 }; + static const FT_LcdFiveTapFilter light_weights = + { 0x00, 0x55, 0x56, 0x55, 0x00 }; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + switch ( filter ) + { + case FT_LCD_FILTER_NONE: + library->lcd_filter_func = NULL; + break; + + case FT_LCD_FILTER_DEFAULT: + ft_memcpy( library->lcd_weights, + default_weights, + FT_LCD_FILTER_FIVE_TAPS ); + library->lcd_filter_func = ft_lcd_filter_fir; + break; + + case FT_LCD_FILTER_LIGHT: + ft_memcpy( library->lcd_weights, + light_weights, + FT_LCD_FILTER_FIVE_TAPS ); + library->lcd_filter_func = ft_lcd_filter_fir; + break; + +#ifdef USE_LEGACY + + case FT_LCD_FILTER_LEGACY: + case FT_LCD_FILTER_LEGACY1: + library->lcd_filter_func = _ft_lcd_filter_legacy; + break; + +#endif + + default: + return FT_THROW( Invalid_Argument ); + } + + return FT_Err_Ok; + } + +#else /* !FT_CONFIG_OPTION_SUBPIXEL_RENDERING */ + + /* add padding according to accommodate outline shifts */ + FT_BASE_DEF (void) + ft_lcd_padding( FT_Pos* Min, + FT_Pos* Max, + FT_GlyphSlot slot ) + { + FT_UNUSED( slot ); + + *Min -= 21; + *Max += 21; + } + + + FT_EXPORT_DEF( FT_Error ) + FT_Library_SetLcdFilterWeights( FT_Library library, + unsigned char *weights ) + { + FT_UNUSED( library ); + FT_UNUSED( weights ); + + return FT_THROW( Unimplemented_Feature ); + } + + + FT_EXPORT_DEF( FT_Error ) + FT_Library_SetLcdFilter( FT_Library library, + FT_LcdFilter filter ) + { + FT_UNUSED( library ); + FT_UNUSED( filter ); + + return FT_THROW( Unimplemented_Feature ); + } + +#endif /* !FT_CONFIG_OPTION_SUBPIXEL_RENDERING */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftmac.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftmac.c new file mode 100644 index 00000000000..fd4c0cc274f --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftmac.c @@ -0,0 +1,1088 @@ +/***************************************************************************/ +/* */ +/* ftmac.c */ +/* */ +/* Mac FOND support. Written by just@letterror.com. */ +/* Heavily modified by mpsuzuki, George Williams, and Sean McBride. */ +/* */ +/* This file is for Mac OS X only; see builds/mac/ftoldmac.c for */ +/* classic platforms built by MPW. */ +/* */ +/* Copyright 1996-2018 by */ +/* Just van Rossum, David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /* + Notes + + Mac suitcase files can (and often do!) contain multiple fonts. To + support this I use the face_index argument of FT_(Open|New)_Face() + functions, and pretend the suitcase file is a collection. + + Warning: fbit and NFNT bitmap resources are not supported yet. In old + sfnt fonts, bitmap glyph data for each size is stored in each `NFNT' + resources instead of the `bdat' table in the sfnt resource. Therefore, + face->num_fixed_sizes is set to 0, because bitmap data in `NFNT' + resource is unavailable at present. + + The Mac FOND support works roughly like this: + + - Check whether the offered stream points to a Mac suitcase file. This + is done by checking the file type: it has to be 'FFIL' or 'tfil'. The + stream that gets passed to our init_face() routine is a stdio stream, + which isn't usable for us, since the FOND resources live in the + resource fork. So we just grab the stream->pathname field. + + - Read the FOND resource into memory, then check whether there is a + TrueType font and/or(!) a Type 1 font available. + + - If there is a Type 1 font available (as a separate `LWFN' file), read + its data into memory, massage it slightly so it becomes PFB data, wrap + it into a memory stream, load the Type 1 driver and delegate the rest + of the work to it by calling FT_Open_Face(). (XXX TODO: after this + has been done, the kerning data from the FOND resource should be + appended to the face: On the Mac there are usually no AFM files + available. However, this is tricky since we need to map Mac char + codes to ps glyph names to glyph ID's...) + + - If there is a TrueType font (an `sfnt' resource), read it into memory, + wrap it into a memory stream, load the TrueType driver and delegate + the rest of the work to it, by calling FT_Open_Face(). + + - Some suitcase fonts (notably Onyx) might point the `LWFN' file to + itself, even though it doesn't contains `POST' resources. To handle + this special case without opening the file an extra time, we just + ignore errors from the `LWFN' and fallback to the `sfnt' if both are + available. + */ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_TRUETYPE_TAGS_H +#include FT_INTERNAL_STREAM_H +#include "ftbase.h" + + +#ifdef FT_MACINTOSH + + /* This is for Mac OS X. Without redefinition, OS_INLINE */ + /* expands to `static inline' which doesn't survive the */ + /* -ansi compilation flag of GCC. */ +#if !HAVE_ANSI_OS_INLINE +#undef OS_INLINE +#define OS_INLINE static __inline__ +#endif + + /* `configure' checks the availability of `ResourceIndex' strictly */ + /* and sets HAVE_TYPE_RESOURCE_INDEX 1 or 0 always. If it is */ + /* not set (e.g., a build without `configure'), the availability */ + /* is guessed from the SDK version. */ +#ifndef HAVE_TYPE_RESOURCE_INDEX +#if !defined( MAC_OS_X_VERSION_10_5 ) || \ + ( MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5 ) +#define HAVE_TYPE_RESOURCE_INDEX 0 +#else +#define HAVE_TYPE_RESOURCE_INDEX 1 +#endif +#endif /* !HAVE_TYPE_RESOURCE_INDEX */ + +#if ( HAVE_TYPE_RESOURCE_INDEX == 0 ) + typedef short ResourceIndex; +#endif + +#include <CoreServices/CoreServices.h> +#include <ApplicationServices/ApplicationServices.h> +#include <sys/syslimits.h> /* PATH_MAX */ + + /* Don't want warnings about our own use of deprecated functions. */ +#define FT_DEPRECATED_ATTRIBUTE + +#include FT_MAC_H + +#ifndef kATSOptionFlagsUnRestrictedScope /* since Mac OS X 10.1 */ +#define kATSOptionFlagsUnRestrictedScope kATSOptionFlagsDefault +#endif + + + /* Set PREFER_LWFN to 1 if LWFN (Type 1) is preferred over + TrueType in case *both* are available (this is not common, + but it *is* possible). */ +#ifndef PREFER_LWFN +#define PREFER_LWFN 1 +#endif + + + /* This function is deprecated because FSSpec is deprecated in Mac OS X */ + FT_EXPORT_DEF( FT_Error ) + FT_GetFile_From_Mac_Name( const char* fontName, + FSSpec* pathSpec, + FT_Long* face_index ) + { + FT_UNUSED( fontName ); + FT_UNUSED( pathSpec ); + FT_UNUSED( face_index ); + + return FT_THROW( Unimplemented_Feature ); + } + + + /* Private function. */ + /* The FSSpec type has been discouraged for a long time, */ + /* unfortunately an FSRef replacement API for */ + /* ATSFontGetFileSpecification() is only available in */ + /* Mac OS X 10.5 and later. */ + static OSStatus + FT_ATSFontGetFileReference( ATSFontRef ats_font_id, + FSRef* ats_font_ref ) + { +#if defined( MAC_OS_X_VERSION_10_5 ) && \ + ( MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 ) + + OSStatus err; + + err = ATSFontGetFileReference( ats_font_id, ats_font_ref ); + + return err; +#elif __LP64__ /* No 64bit Carbon API on legacy platforms */ + FT_UNUSED( ats_font_id ); + FT_UNUSED( ats_font_ref ); + + + return fnfErr; +#else /* 32bit Carbon API on legacy platforms */ + OSStatus err; + FSSpec spec; + + + err = ATSFontGetFileSpecification( ats_font_id, &spec ); + if ( noErr == err ) + err = FSpMakeFSRef( &spec, ats_font_ref ); + + return err; +#endif + } + + + static FT_Error + FT_GetFileRef_From_Mac_ATS_Name( const char* fontName, + FSRef* ats_font_ref, + FT_Long* face_index ) + { + CFStringRef cf_fontName; + ATSFontRef ats_font_id; + + + *face_index = 0; + + cf_fontName = CFStringCreateWithCString( NULL, fontName, + kCFStringEncodingMacRoman ); + ats_font_id = ATSFontFindFromName( cf_fontName, + kATSOptionFlagsUnRestrictedScope ); + CFRelease( cf_fontName ); + + if ( ats_font_id == 0 || ats_font_id == 0xFFFFFFFFUL ) + return FT_THROW( Unknown_File_Format ); + + if ( noErr != FT_ATSFontGetFileReference( ats_font_id, ats_font_ref ) ) + return FT_THROW( Unknown_File_Format ); + + /* face_index calculation by searching preceding fontIDs */ + /* with same FSRef */ + { + ATSFontRef id2 = ats_font_id - 1; + FSRef ref2; + + + while ( id2 > 0 ) + { + if ( noErr != FT_ATSFontGetFileReference( id2, &ref2 ) ) + break; + if ( noErr != FSCompareFSRefs( ats_font_ref, &ref2 ) ) + break; + + id2 --; + } + *face_index = ats_font_id - ( id2 + 1 ); + } + + return FT_Err_Ok; + } + + + FT_EXPORT_DEF( FT_Error ) + FT_GetFilePath_From_Mac_ATS_Name( const char* fontName, + UInt8* path, + UInt32 maxPathSize, + FT_Long* face_index ) + { + FSRef ref; + FT_Error err; + + + if ( !fontName || !face_index ) + return FT_THROW( Invalid_Argument); + + err = FT_GetFileRef_From_Mac_ATS_Name( fontName, &ref, face_index ); + if ( err ) + return err; + + if ( noErr != FSRefMakePath( &ref, path, maxPathSize ) ) + return FT_THROW( Unknown_File_Format ); + + return FT_Err_Ok; + } + + + /* This function is deprecated because FSSpec is deprecated in Mac OS X */ + FT_EXPORT_DEF( FT_Error ) + FT_GetFile_From_Mac_ATS_Name( const char* fontName, + FSSpec* pathSpec, + FT_Long* face_index ) + { +#if ( __LP64__ ) || ( defined( MAC_OS_X_VERSION_10_5 ) && \ + ( MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 ) ) + FT_UNUSED( fontName ); + FT_UNUSED( pathSpec ); + FT_UNUSED( face_index ); + + return FT_THROW( Unimplemented_Feature ); +#else + FSRef ref; + FT_Error err; + + + if ( !fontName || !face_index ) + return FT_THROW( Invalid_Argument ); + + err = FT_GetFileRef_From_Mac_ATS_Name( fontName, &ref, face_index ); + if ( err ) + return err; + + if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoNone, NULL, NULL, + pathSpec, NULL ) ) + return FT_THROW( Unknown_File_Format ); + + return FT_Err_Ok; +#endif + } + + + static OSErr + FT_FSPathMakeRes( const UInt8* pathname, + ResFileRefNum* res ) + { + OSErr err; + FSRef ref; + + + if ( noErr != FSPathMakeRef( pathname, &ref, FALSE ) ) + return FT_THROW( Cannot_Open_Resource ); + + /* at present, no support for dfont format */ + err = FSOpenResourceFile( &ref, 0, NULL, fsRdPerm, res ); + if ( noErr == err ) + return err; + + /* fallback to original resource-fork font */ + *res = FSOpenResFile( &ref, fsRdPerm ); + err = ResError(); + + return err; + } + + + /* Return the file type for given pathname */ + static OSType + get_file_type_from_path( const UInt8* pathname ) + { + FSRef ref; + FSCatalogInfo info; + + + if ( noErr != FSPathMakeRef( pathname, &ref, FALSE ) ) + return ( OSType ) 0; + + if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoFinderInfo, &info, + NULL, NULL, NULL ) ) + return ( OSType ) 0; + + return ((FInfo *)(info.finderInfo))->fdType; + } + + + /* Given a PostScript font name, create the Macintosh LWFN file name. */ + static void + create_lwfn_name( char* ps_name, + Str255 lwfn_file_name ) + { + int max = 5, count = 0; + FT_Byte* p = lwfn_file_name; + FT_Byte* q = (FT_Byte*)ps_name; + + + lwfn_file_name[0] = 0; + + while ( *q ) + { + if ( ft_isupper( *q ) ) + { + if ( count ) + max = 3; + count = 0; + } + if ( count < max && ( ft_isalnum( *q ) || *q == '_' ) ) + { + *++p = *q; + lwfn_file_name[0]++; + count++; + } + q++; + } + } + + + static short + count_faces_sfnt( char* fond_data ) + { + /* The count is 1 greater than the value in the FOND. */ + /* Isn't that cute? :-) */ + + return EndianS16_BtoN( *( (short*)( fond_data + + sizeof ( FamRec ) ) ) ) + 1; + } + + + static short + count_faces_scalable( char* fond_data ) + { + AsscEntry* assoc; + short i, face, face_all; + + + face_all = EndianS16_BtoN( *( (short *)( fond_data + + sizeof ( FamRec ) ) ) ) + 1; + assoc = (AsscEntry*)( fond_data + sizeof ( FamRec ) + 2 ); + face = 0; + + for ( i = 0; i < face_all; i++ ) + { + if ( 0 == EndianS16_BtoN( assoc[i].fontSize ) ) + face++; + } + return face; + } + + + /* Look inside the FOND data, answer whether there should be an SFNT + resource, and answer the name of a possible LWFN Type 1 file. + + Thanks to Paul Miller (paulm@profoundeffects.com) for the fix + to load a face OTHER than the first one in the FOND! + */ + + + static void + parse_fond( char* fond_data, + short* have_sfnt, + ResID* sfnt_id, + Str255 lwfn_file_name, + short face_index ) + { + AsscEntry* assoc; + AsscEntry* base_assoc; + FamRec* fond; + + + *sfnt_id = 0; + *have_sfnt = 0; + lwfn_file_name[0] = 0; + + fond = (FamRec*)fond_data; + assoc = (AsscEntry*)( fond_data + sizeof ( FamRec ) + 2 ); + base_assoc = assoc; + + /* the maximum faces in a FOND is 48, size of StyleTable.indexes[] */ + if ( 47 < face_index ) + return; + + /* Let's do a little range checking before we get too excited here */ + if ( face_index < count_faces_sfnt( fond_data ) ) + { + assoc += face_index; /* add on the face_index! */ + + /* if the face at this index is not scalable, + fall back to the first one (old behavior) */ + if ( EndianS16_BtoN( assoc->fontSize ) == 0 ) + { + *have_sfnt = 1; + *sfnt_id = EndianS16_BtoN( assoc->fontID ); + } + else if ( base_assoc->fontSize == 0 ) + { + *have_sfnt = 1; + *sfnt_id = EndianS16_BtoN( base_assoc->fontID ); + } + } + + if ( EndianS32_BtoN( fond->ffStylOff ) ) + { + unsigned char* p = (unsigned char*)fond_data; + StyleTable* style; + unsigned short string_count; + char ps_name[256]; + unsigned char* names[64]; + int i; + + + p += EndianS32_BtoN( fond->ffStylOff ); + style = (StyleTable*)p; + p += sizeof ( StyleTable ); + string_count = EndianS16_BtoN( *(short*)(p) ); + string_count = FT_MIN( 64, string_count ); + p += sizeof ( short ); + + for ( i = 0; i < string_count; i++ ) + { + names[i] = p; + p += names[i][0]; + p++; + } + + { + size_t ps_name_len = (size_t)names[0][0]; + + + if ( ps_name_len != 0 ) + { + ft_memcpy(ps_name, names[0] + 1, ps_name_len); + ps_name[ps_name_len] = 0; + } + if ( style->indexes[face_index] > 1 && + style->indexes[face_index] <= string_count ) + { + unsigned char* suffixes = names[style->indexes[face_index] - 1]; + + + for ( i = 1; i <= suffixes[0]; i++ ) + { + unsigned char* s; + size_t j = suffixes[i] - 1; + + + if ( j < string_count && ( s = names[j] ) != NULL ) + { + size_t s_len = (size_t)s[0]; + + + if ( s_len != 0 && ps_name_len + s_len < sizeof ( ps_name ) ) + { + ft_memcpy( ps_name + ps_name_len, s + 1, s_len ); + ps_name_len += s_len; + ps_name[ps_name_len] = 0; + } + } + } + } + } + + create_lwfn_name( ps_name, lwfn_file_name ); + } + } + + + static FT_Error + lookup_lwfn_by_fond( const UInt8* path_fond, + ConstStr255Param base_lwfn, + UInt8* path_lwfn, + size_t path_size ) + { + FSRef ref, par_ref; + size_t dirname_len; + + + /* Pathname for FSRef can be in various formats: HFS, HFS+, and POSIX. */ + /* We should not extract parent directory by string manipulation. */ + + if ( noErr != FSPathMakeRef( path_fond, &ref, FALSE ) ) + return FT_THROW( Invalid_Argument ); + + if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoNone, + NULL, NULL, NULL, &par_ref ) ) + return FT_THROW( Invalid_Argument ); + + if ( noErr != FSRefMakePath( &par_ref, path_lwfn, path_size ) ) + return FT_THROW( Invalid_Argument ); + + if ( ft_strlen( (char *)path_lwfn ) + 1 + base_lwfn[0] > path_size ) + return FT_THROW( Invalid_Argument ); + + /* now we have absolute dirname in path_lwfn */ + ft_strcat( (char *)path_lwfn, "/" ); + dirname_len = ft_strlen( (char *)path_lwfn ); + ft_strcat( (char *)path_lwfn, (char *)base_lwfn + 1 ); + path_lwfn[dirname_len + base_lwfn[0]] = '\0'; + + if ( noErr != FSPathMakeRef( path_lwfn, &ref, FALSE ) ) + return FT_THROW( Cannot_Open_Resource ); + + if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoNone, + NULL, NULL, NULL, NULL ) ) + return FT_THROW( Cannot_Open_Resource ); + + return FT_Err_Ok; + } + + + static short + count_faces( Handle fond, + const UInt8* pathname ) + { + ResID sfnt_id; + short have_sfnt, have_lwfn; + Str255 lwfn_file_name; + UInt8 buff[PATH_MAX]; + FT_Error err; + short num_faces; + + + have_sfnt = have_lwfn = 0; + + parse_fond( *fond, &have_sfnt, &sfnt_id, lwfn_file_name, 0 ); + + if ( lwfn_file_name[0] ) + { + err = lookup_lwfn_by_fond( pathname, lwfn_file_name, + buff, sizeof ( buff ) ); + if ( !err ) + have_lwfn = 1; + } + + if ( have_lwfn && ( !have_sfnt || PREFER_LWFN ) ) + num_faces = 1; + else + num_faces = count_faces_scalable( *fond ); + + return num_faces; + } + + + /* Read Type 1 data from the POST resources inside the LWFN file, + return a PFB buffer. This is somewhat convoluted because the FT2 + PFB parser wants the ASCII header as one chunk, and the LWFN + chunks are often not organized that way, so we glue chunks + of the same type together. */ + static FT_Error + read_lwfn( FT_Memory memory, + ResFileRefNum res, + FT_Byte** pfb_data, + FT_ULong* size ) + { + FT_Error error = FT_Err_Ok; + ResID res_id; + unsigned char *buffer, *p, *size_p = NULL; + FT_ULong total_size = 0; + FT_ULong old_total_size = 0; + FT_ULong post_size, pfb_chunk_size; + Handle post_data; + char code, last_code; + + + UseResFile( res ); + + /* First pass: load all POST resources, and determine the size of */ + /* the output buffer. */ + res_id = 501; + last_code = -1; + + for (;;) + { + post_data = Get1Resource( TTAG_POST, res_id++ ); + if ( !post_data ) + break; /* we are done */ + + code = (*post_data)[0]; + + if ( code != last_code ) + { + if ( code == 5 ) + total_size += 2; /* just the end code */ + else + total_size += 6; /* code + 4 bytes chunk length */ + } + + total_size += (FT_ULong)GetHandleSize( post_data ) - 2; + last_code = code; + + /* detect resource fork overflow */ + if ( FT_MAC_RFORK_MAX_LEN < total_size ) + { + error = FT_THROW( Array_Too_Large ); + goto Error; + } + + old_total_size = total_size; + } + + if ( FT_ALLOC( buffer, (FT_Long)total_size ) ) + goto Error; + + /* Second pass: append all POST data to the buffer, add PFB fields. */ + /* Glue all consecutive chunks of the same type together. */ + p = buffer; + res_id = 501; + last_code = -1; + pfb_chunk_size = 0; + + for (;;) + { + post_data = Get1Resource( TTAG_POST, res_id++ ); + if ( !post_data ) + break; /* we are done */ + + post_size = (FT_ULong)GetHandleSize( post_data ) - 2; + code = (*post_data)[0]; + + if ( code != last_code ) + { + if ( last_code != -1 ) + { + /* we are done adding a chunk, fill in the size field */ + if ( size_p ) + { + *size_p++ = (FT_Byte)( pfb_chunk_size & 0xFF ); + *size_p++ = (FT_Byte)( ( pfb_chunk_size >> 8 ) & 0xFF ); + *size_p++ = (FT_Byte)( ( pfb_chunk_size >> 16 ) & 0xFF ); + *size_p++ = (FT_Byte)( ( pfb_chunk_size >> 24 ) & 0xFF ); + } + pfb_chunk_size = 0; + } + + *p++ = 0x80; + if ( code == 5 ) + *p++ = 0x03; /* the end */ + else if ( code == 2 ) + *p++ = 0x02; /* binary segment */ + else + *p++ = 0x01; /* ASCII segment */ + + if ( code != 5 ) + { + size_p = p; /* save for later */ + p += 4; /* make space for size field */ + } + } + + ft_memcpy( p, *post_data + 2, post_size ); + pfb_chunk_size += post_size; + p += post_size; + last_code = code; + } + + *pfb_data = buffer; + *size = total_size; + + Error: + CloseResFile( res ); + return error; + } + + + /* Create a new FT_Face from a file path to an LWFN file. */ + static FT_Error + FT_New_Face_From_LWFN( FT_Library library, + const UInt8* pathname, + FT_Long face_index, + FT_Face* aface ) + { + FT_Byte* pfb_data; + FT_ULong pfb_size; + FT_Error error; + ResFileRefNum res; + + + if ( noErr != FT_FSPathMakeRes( pathname, &res ) ) + return FT_THROW( Cannot_Open_Resource ); + + pfb_data = NULL; + pfb_size = 0; + error = read_lwfn( library->memory, res, &pfb_data, &pfb_size ); + CloseResFile( res ); /* PFB is already loaded, useless anymore */ + if ( error ) + return error; + + return open_face_from_buffer( library, + pfb_data, + pfb_size, + face_index, + "type1", + aface ); + } + + + /* Create a new FT_Face from an SFNT resource, specified by res ID. */ + static FT_Error + FT_New_Face_From_SFNT( FT_Library library, + ResID sfnt_id, + FT_Long face_index, + FT_Face* aface ) + { + Handle sfnt = NULL; + FT_Byte* sfnt_data; + size_t sfnt_size; + FT_Error error = FT_Err_Ok; + FT_Memory memory = library->memory; + int is_cff, is_sfnt_ps; + + + sfnt = GetResource( TTAG_sfnt, sfnt_id ); + if ( !sfnt ) + return FT_THROW( Invalid_Handle ); + + sfnt_size = (FT_ULong)GetHandleSize( sfnt ); + + /* detect resource fork overflow */ + if ( FT_MAC_RFORK_MAX_LEN < sfnt_size ) + return FT_THROW( Array_Too_Large ); + + if ( FT_ALLOC( sfnt_data, (FT_Long)sfnt_size ) ) + { + ReleaseResource( sfnt ); + return error; + } + + ft_memcpy( sfnt_data, *sfnt, sfnt_size ); + ReleaseResource( sfnt ); + + is_cff = sfnt_size > 4 && !ft_memcmp( sfnt_data, "OTTO", 4 ); + is_sfnt_ps = sfnt_size > 4 && !ft_memcmp( sfnt_data, "typ1", 4 ); + + if ( is_sfnt_ps ) + { + FT_Stream stream; + + + if ( FT_NEW( stream ) ) + goto Try_OpenType; + + FT_Stream_OpenMemory( stream, sfnt_data, sfnt_size ); + if ( !open_face_PS_from_sfnt_stream( library, + stream, + face_index, + 0, NULL, + aface ) ) + { + FT_Stream_Close( stream ); + FT_FREE( stream ); + FT_FREE( sfnt_data ); + goto Exit; + } + + FT_FREE( stream ); + } + Try_OpenType: + error = open_face_from_buffer( library, + sfnt_data, + sfnt_size, + face_index, + is_cff ? "cff" : "truetype", + aface ); + Exit: + return error; + } + + + /* Create a new FT_Face from a file path to a suitcase file. */ + static FT_Error + FT_New_Face_From_Suitcase( FT_Library library, + const UInt8* pathname, + FT_Long face_index, + FT_Face* aface ) + { + FT_Error error = FT_ERR( Cannot_Open_Resource ); + ResFileRefNum res_ref; + ResourceIndex res_index; + Handle fond; + short num_faces_in_res; + + + if ( noErr != FT_FSPathMakeRes( pathname, &res_ref ) ) + return FT_THROW( Cannot_Open_Resource ); + + UseResFile( res_ref ); + if ( ResError() ) + return FT_THROW( Cannot_Open_Resource ); + + num_faces_in_res = 0; + for ( res_index = 1; ; res_index++ ) + { + short num_faces_in_fond; + + + fond = Get1IndResource( TTAG_FOND, res_index ); + if ( ResError() ) + break; + + num_faces_in_fond = count_faces( fond, pathname ); + num_faces_in_res += num_faces_in_fond; + + if ( 0 <= face_index && face_index < num_faces_in_fond && error ) + error = FT_New_Face_From_FOND( library, fond, face_index, aface ); + + face_index -= num_faces_in_fond; + } + + CloseResFile( res_ref ); + if ( !error && aface && *aface ) + (*aface)->num_faces = num_faces_in_res; + return error; + } + + + /* documentation is in ftmac.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_New_Face_From_FOND( FT_Library library, + Handle fond, + FT_Long face_index, + FT_Face* aface ) + { + short have_sfnt, have_lwfn = 0; + ResID sfnt_id, fond_id; + OSType fond_type; + Str255 fond_name; + Str255 lwfn_file_name; + UInt8 path_lwfn[PATH_MAX]; + OSErr err; + FT_Error error = FT_Err_Ok; + + + /* check of `library' and `aface' delayed to `FT_New_Face_From_XXX' */ + + GetResInfo( fond, &fond_id, &fond_type, fond_name ); + if ( ResError() != noErr || fond_type != TTAG_FOND ) + return FT_THROW( Invalid_File_Format ); + + parse_fond( *fond, &have_sfnt, &sfnt_id, lwfn_file_name, face_index ); + + if ( lwfn_file_name[0] ) + { + ResFileRefNum res; + + + res = HomeResFile( fond ); + if ( noErr != ResError() ) + goto found_no_lwfn_file; + + { + UInt8 path_fond[PATH_MAX]; + FSRef ref; + + + err = FSGetForkCBInfo( res, kFSInvalidVolumeRefNum, + NULL, NULL, NULL, &ref, NULL ); + if ( noErr != err ) + goto found_no_lwfn_file; + + err = FSRefMakePath( &ref, path_fond, sizeof ( path_fond ) ); + if ( noErr != err ) + goto found_no_lwfn_file; + + error = lookup_lwfn_by_fond( path_fond, lwfn_file_name, + path_lwfn, sizeof ( path_lwfn ) ); + if ( !error ) + have_lwfn = 1; + } + } + + if ( have_lwfn && ( !have_sfnt || PREFER_LWFN ) ) + error = FT_New_Face_From_LWFN( library, + path_lwfn, + face_index, + aface ); + else + error = FT_THROW( Unknown_File_Format ); + + found_no_lwfn_file: + if ( have_sfnt && error ) + error = FT_New_Face_From_SFNT( library, + sfnt_id, + face_index, + aface ); + + return error; + } + + + /* Common function to load a new FT_Face from a resource file. */ + static FT_Error + FT_New_Face_From_Resource( FT_Library library, + const UInt8* pathname, + FT_Long face_index, + FT_Face* aface ) + { + OSType file_type; + FT_Error error; + + + /* LWFN is a (very) specific file format, check for it explicitly */ + file_type = get_file_type_from_path( pathname ); + if ( file_type == TTAG_LWFN ) + return FT_New_Face_From_LWFN( library, pathname, face_index, aface ); + + /* Otherwise the file type doesn't matter (there are more than */ + /* `FFIL' and `tfil'). Just try opening it as a font suitcase; */ + /* if it works, fine. */ + + error = FT_New_Face_From_Suitcase( library, pathname, face_index, aface ); + if ( error ) + { + /* let it fall through to normal loader (.ttf, .otf, etc.); */ + /* we signal this by returning no error and no FT_Face */ + *aface = NULL; + } + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Face */ + /* */ + /* <Description> */ + /* This is the Mac-specific implementation of FT_New_Face. In */ + /* addition to the standard FT_New_Face() functionality, it also */ + /* accepts pathnames to Mac suitcase files. For further */ + /* documentation see the original FT_New_Face() in freetype.h. */ + /* */ + FT_EXPORT_DEF( FT_Error ) + FT_New_Face( FT_Library library, + const char* pathname, + FT_Long face_index, + FT_Face* aface ) + { + FT_Open_Args args; + FT_Error error; + + + /* test for valid `library' and `aface' delayed to FT_Open_Face() */ + if ( !pathname ) + return FT_THROW( Invalid_Argument ); + + *aface = NULL; + + /* try resourcefork based font: LWFN, FFIL */ + error = FT_New_Face_From_Resource( library, (UInt8 *)pathname, + face_index, aface ); + if ( error || *aface ) + return error; + + /* let it fall through to normal loader (.ttf, .otf, etc.) */ + args.flags = FT_OPEN_PATHNAME; + args.pathname = (char*)pathname; + + return FT_Open_Face( library, &args, face_index, aface ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Face_From_FSRef */ + /* */ + /* <Description> */ + /* FT_New_Face_From_FSRef is identical to FT_New_Face except it */ + /* accepts an FSRef instead of a path. */ + /* */ + /* This function is deprecated because Carbon data types (FSRef) */ + /* are not cross-platform, and thus not suitable for the FreeType API. */ + FT_EXPORT_DEF( FT_Error ) + FT_New_Face_From_FSRef( FT_Library library, + const FSRef* ref, + FT_Long face_index, + FT_Face* aface ) + { + FT_Error error; + FT_Open_Args args; + + OSErr err; + UInt8 pathname[PATH_MAX]; + + + /* check of `library' and `aface' delayed to */ + /* `FT_New_Face_From_Resource' */ + + if ( !ref ) + return FT_THROW( Invalid_Argument ); + + err = FSRefMakePath( ref, pathname, sizeof ( pathname ) ); + if ( err ) + error = FT_THROW( Cannot_Open_Resource ); + + error = FT_New_Face_From_Resource( library, pathname, face_index, aface ); + if ( error || *aface ) + return error; + + /* fallback to datafork font */ + args.flags = FT_OPEN_PATHNAME; + args.pathname = (char*)pathname; + return FT_Open_Face( library, &args, face_index, aface ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_New_Face_From_FSSpec */ + /* */ + /* <Description> */ + /* FT_New_Face_From_FSSpec is identical to FT_New_Face except it */ + /* accepts an FSSpec instead of a path. */ + /* */ + /* This function is deprecated because FSSpec is deprecated in Mac OS X */ + FT_EXPORT_DEF( FT_Error ) + FT_New_Face_From_FSSpec( FT_Library library, + const FSSpec* spec, + FT_Long face_index, + FT_Face* aface ) + { +#if ( __LP64__ ) || ( defined( MAC_OS_X_VERSION_10_5 ) && \ + ( MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 ) ) + FT_UNUSED( library ); + FT_UNUSED( spec ); + FT_UNUSED( face_index ); + FT_UNUSED( aface ); + + return FT_THROW( Unimplemented_Feature ); +#else + FSRef ref; + + + /* check of `library' and `aface' delayed to `FT_New_Face_From_FSRef' */ + + if ( !spec || FSpMakeFSRef( spec, &ref ) != noErr ) + return FT_THROW( Invalid_Argument ); + else + return FT_New_Face_From_FSRef( library, &ref, face_index, aface ); +#endif + } + +#else /* !FT_MACINTOSH */ + + /* ANSI C doesn't like empty source files */ + typedef int _ft_mac_dummy; + +#endif /* !FT_MACINTOSH */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftmm.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftmm.c new file mode 100644 index 00000000000..800441bcac8 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftmm.c @@ -0,0 +1,508 @@ +/***************************************************************************/ +/* */ +/* ftmm.c */ +/* */ +/* Multiple Master font support (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H + +#include FT_MULTIPLE_MASTERS_H +#include FT_INTERNAL_OBJECTS_H +#include FT_SERVICE_MULTIPLE_MASTERS_H +#include FT_SERVICE_METRICS_VARIATIONS_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_mm + + + static FT_Error + ft_face_get_mm_service( FT_Face face, + FT_Service_MultiMasters *aservice ) + { + FT_Error error; + + + *aservice = NULL; + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + error = FT_ERR( Invalid_Argument ); + + if ( FT_HAS_MULTIPLE_MASTERS( face ) ) + { + FT_FACE_LOOKUP_SERVICE( face, + *aservice, + MULTI_MASTERS ); + + if ( *aservice ) + error = FT_Err_Ok; + } + + return error; + } + + + static FT_Error + ft_face_get_mvar_service( FT_Face face, + FT_Service_MetricsVariations *aservice ) + { + FT_Error error; + + + *aservice = NULL; + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + error = FT_ERR( Invalid_Argument ); + + if ( FT_HAS_MULTIPLE_MASTERS( face ) ) + { + FT_FACE_LOOKUP_SERVICE( face, + *aservice, + METRICS_VARIATIONS ); + + if ( *aservice ) + error = FT_Err_Ok; + } + + return error; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Multi_Master( FT_Face face, + FT_Multi_Master *amaster ) + { + FT_Error error; + FT_Service_MultiMasters service; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !amaster ) + return FT_THROW( Invalid_Argument ); + + error = ft_face_get_mm_service( face, &service ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service->get_mm ) + error = service->get_mm( face, amaster ); + } + + return error; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_MM_Var( FT_Face face, + FT_MM_Var* *amaster ) + { + FT_Error error; + FT_Service_MultiMasters service; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !amaster ) + return FT_THROW( Invalid_Argument ); + + error = ft_face_get_mm_service( face, &service ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service->get_mm_var ) + error = service->get_mm_var( face, amaster ); + } + + return error; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Done_MM_Var( FT_Library library, + FT_MM_Var* amaster ) + { + FT_Memory memory; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + memory = library->memory; + FT_FREE( amaster ); + + return FT_Err_Ok; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Set_MM_Design_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Long* coords ) + { + FT_Error error; + FT_Service_MultiMasters service; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( num_coords && !coords ) + return FT_THROW( Invalid_Argument ); + + error = ft_face_get_mm_service( face, &service ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service->set_mm_design ) + error = service->set_mm_design( face, num_coords, coords ); + } + + /* enforce recomputation of auto-hinting data */ + if ( !error && face->autohint.finalizer ) + { + face->autohint.finalizer( face->autohint.data ); + face->autohint.data = NULL; + } + + return error; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Set_Var_Design_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error; + FT_Service_MultiMasters service_mm = NULL; + FT_Service_MetricsVariations service_mvar = NULL; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( num_coords && !coords ) + return FT_THROW( Invalid_Argument ); + + error = ft_face_get_mm_service( face, &service_mm ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service_mm->set_var_design ) + error = service_mm->set_var_design( face, num_coords, coords ); + + /* internal error code -1 means `no change'; we can exit immediately */ + if ( error == -1 ) + return FT_Err_Ok; + } + + if ( !error ) + { + (void)ft_face_get_mvar_service( face, &service_mvar ); + + if ( service_mvar && service_mvar->metrics_adjust ) + service_mvar->metrics_adjust( face ); + } + + /* enforce recomputation of auto-hinting data */ + if ( !error && face->autohint.finalizer ) + { + face->autohint.finalizer( face->autohint.data ); + face->autohint.data = NULL; + } + + return error; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Var_Design_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error; + FT_Service_MultiMasters service; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !coords ) + return FT_THROW( Invalid_Argument ); + + error = ft_face_get_mm_service( face, &service ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service->get_var_design ) + error = service->get_var_design( face, num_coords, coords ); + } + + return error; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Set_MM_Blend_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error; + FT_Service_MultiMasters service_mm = NULL; + FT_Service_MetricsVariations service_mvar = NULL; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( num_coords && !coords ) + return FT_THROW( Invalid_Argument ); + + error = ft_face_get_mm_service( face, &service_mm ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service_mm->set_mm_blend ) + error = service_mm->set_mm_blend( face, num_coords, coords ); + + /* internal error code -1 means `no change'; we can exit immediately */ + if ( error == -1 ) + return FT_Err_Ok; + } + + if ( !error ) + { + (void)ft_face_get_mvar_service( face, &service_mvar ); + + if ( service_mvar && service_mvar->metrics_adjust ) + service_mvar->metrics_adjust( face ); + } + + /* enforce recomputation of auto-hinting data */ + if ( !error && face->autohint.finalizer ) + { + face->autohint.finalizer( face->autohint.data ); + face->autohint.data = NULL; + } + + return error; + } + + + /* documentation is in ftmm.h */ + + /* This is exactly the same as the previous function. It exists for */ + /* orthogonality. */ + + FT_EXPORT_DEF( FT_Error ) + FT_Set_Var_Blend_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error; + FT_Service_MultiMasters service_mm = NULL; + FT_Service_MetricsVariations service_mvar = NULL; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( num_coords && !coords ) + return FT_THROW( Invalid_Argument ); + + error = ft_face_get_mm_service( face, &service_mm ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service_mm->set_mm_blend ) + error = service_mm->set_mm_blend( face, num_coords, coords ); + + /* internal error code -1 means `no change'; we can exit immediately */ + if ( error == -1 ) + return FT_Err_Ok; + } + + if ( !error ) + { + (void)ft_face_get_mvar_service( face, &service_mvar ); + + if ( service_mvar && service_mvar->metrics_adjust ) + service_mvar->metrics_adjust( face ); + } + + /* enforce recomputation of auto-hinting data */ + if ( !error && face->autohint.finalizer ) + { + face->autohint.finalizer( face->autohint.data ); + face->autohint.data = NULL; + } + + return error; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_MM_Blend_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error; + FT_Service_MultiMasters service; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !coords ) + return FT_THROW( Invalid_Argument ); + + error = ft_face_get_mm_service( face, &service ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service->get_mm_blend ) + error = service->get_mm_blend( face, num_coords, coords ); + } + + return error; + } + + + /* documentation is in ftmm.h */ + + /* This is exactly the same as the previous function. It exists for */ + /* orthogonality. */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Var_Blend_Coordinates( FT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error; + FT_Service_MultiMasters service; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !coords ) + return FT_THROW( Invalid_Argument ); + + error = ft_face_get_mm_service( face, &service ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service->get_mm_blend ) + error = service->get_mm_blend( face, num_coords, coords ); + } + + return error; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Var_Axis_Flags( FT_MM_Var* master, + FT_UInt axis_index, + FT_UInt* flags ) + { + FT_UShort* axis_flags; + + + if ( !master || !flags ) + return FT_THROW( Invalid_Argument ); + + if ( axis_index >= master->num_axis ) + return FT_THROW( Invalid_Argument ); + + /* the axis flags array immediately follows the data of `master' */ + axis_flags = (FT_UShort*)&( master[1] ); + *flags = axis_flags[axis_index]; + + return FT_Err_Ok; + } + + + /* documentation is in ftmm.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Set_Named_Instance( FT_Face face, + FT_UInt instance_index ) + { + FT_Error error; + + FT_Service_MultiMasters service_mm = NULL; + FT_Service_MetricsVariations service_mvar = NULL; + + + /* check of `face' delayed to `ft_face_get_mm_service' */ + + error = ft_face_get_mm_service( face, &service_mm ); + if ( !error ) + { + error = FT_ERR( Invalid_Argument ); + if ( service_mm->set_instance ) + error = service_mm->set_instance( face, instance_index ); + } + + if ( !error ) + { + (void)ft_face_get_mvar_service( face, &service_mvar ); + + if ( service_mvar && service_mvar->metrics_adjust ) + service_mvar->metrics_adjust( face ); + } + + /* enforce recomputation of auto-hinting data */ + if ( !error && face->autohint.finalizer ) + { + face->autohint.finalizer( face->autohint.data ); + face->autohint.data = NULL; + } + + if ( !error ) + { + face->face_index = ( instance_index << 16 ) | + ( face->face_index & 0xFFFFL ); + face->face_flags &= ~FT_FACE_FLAG_VARIATION; + } + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftobjs.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftobjs.c new file mode 100644 index 00000000000..8d07e35ae37 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftobjs.c @@ -0,0 +1,5405 @@ +/***************************************************************************/ +/* */ +/* ftobjs.c */ +/* */ +/* The FreeType private base classes (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_LIST_H +#include FT_OUTLINE_H +#include FT_FONT_FORMATS_H + +#include FT_INTERNAL_VALIDATE_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_RFORK_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_SFNT_H /* for SFNT_Load_Table_Func */ +#include FT_INTERNAL_POSTSCRIPT_AUX_H /* for PS_Driver */ + +#include FT_TRUETYPE_TABLES_H +#include FT_TRUETYPE_TAGS_H +#include FT_TRUETYPE_IDS_H + +#include FT_SERVICE_PROPERTIES_H +#include FT_SERVICE_SFNT_H +#include FT_SERVICE_POSTSCRIPT_NAME_H +#include FT_SERVICE_GLYPH_DICT_H +#include FT_SERVICE_TT_CMAP_H +#include FT_SERVICE_KERNING_H +#include FT_SERVICE_TRUETYPE_ENGINE_H + +#include FT_DRIVER_H + +#ifdef FT_CONFIG_OPTION_MAC_FONTS +#include "ftbase.h" +#endif + + +#ifdef FT_DEBUG_LEVEL_TRACE + +#include FT_BITMAP_H + +#if defined( _MSC_VER ) /* Visual C++ (and Intel C++) */ + /* We disable the warning `conversion from XXX to YYY, */ + /* possible loss of data' in order to compile cleanly with */ + /* the maximum level of warnings: `md5.c' is non-FreeType */ + /* code, and it gets used during development builds only. */ +#pragma warning( push ) +#pragma warning( disable : 4244 ) +#endif /* _MSC_VER */ + + /* It's easiest to include `md5.c' directly. However, since OpenSSL */ + /* also provides the same functions, there might be conflicts if */ + /* both FreeType and OpenSSL are built as static libraries. For */ + /* this reason, we put the MD5 stuff into the `FT_' namespace. */ +#define MD5_u32plus FT_MD5_u32plus +#define MD5_CTX FT_MD5_CTX +#define MD5_Init FT_MD5_Init +#define MD5_Update FT_MD5_Update +#define MD5_Final FT_MD5_Final + +#undef HAVE_OPENSSL + +#include "md5.c" + +#if defined( _MSC_VER ) +#pragma warning( pop ) +#endif + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + +#define GRID_FIT_METRICS + + + /* forward declaration */ + static FT_Error + ft_open_face_internal( FT_Library library, + const FT_Open_Args* args, + FT_Long face_index, + FT_Face *aface, + FT_Bool test_mac_fonts ); + + + FT_BASE_DEF( FT_Pointer ) + ft_service_list_lookup( FT_ServiceDesc service_descriptors, + const char* service_id ) + { + FT_Pointer result = NULL; + FT_ServiceDesc desc = service_descriptors; + + + if ( desc && service_id ) + { + for ( ; desc->serv_id != NULL; desc++ ) + { + if ( ft_strcmp( desc->serv_id, service_id ) == 0 ) + { + result = (FT_Pointer)desc->serv_data; + break; + } + } + } + + return result; + } + + + FT_BASE_DEF( void ) + ft_validator_init( FT_Validator valid, + const FT_Byte* base, + const FT_Byte* limit, + FT_ValidationLevel level ) + { + valid->base = base; + valid->limit = limit; + valid->level = level; + valid->error = FT_Err_Ok; + } + + + FT_BASE_DEF( FT_Int ) + ft_validator_run( FT_Validator valid ) + { + /* This function doesn't work! None should call it. */ + FT_UNUSED( valid ); + + return -1; + } + + + FT_BASE_DEF( void ) + ft_validator_error( FT_Validator valid, + FT_Error error ) + { + /* since the cast below also disables the compiler's */ + /* type check, we introduce a dummy variable, which */ + /* will be optimized away */ + volatile ft_jmp_buf* jump_buffer = &valid->jump_buffer; + + + valid->error = error; + + /* throw away volatileness; use `jump_buffer' or the */ + /* compiler may warn about an unused local variable */ + ft_longjmp( *(ft_jmp_buf*) jump_buffer, 1 ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** S T R E A M ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /* create a new input stream from an FT_Open_Args structure */ + /* */ + FT_BASE_DEF( FT_Error ) + FT_Stream_New( FT_Library library, + const FT_Open_Args* args, + FT_Stream *astream ) + { + FT_Error error; + FT_Memory memory; + FT_Stream stream = NULL; + + + *astream = NULL; + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !args ) + return FT_THROW( Invalid_Argument ); + + memory = library->memory; + + if ( FT_NEW( stream ) ) + goto Exit; + + stream->memory = memory; + + if ( args->flags & FT_OPEN_MEMORY ) + { + /* create a memory-based stream */ + FT_Stream_OpenMemory( stream, + (const FT_Byte*)args->memory_base, + (FT_ULong)args->memory_size ); + } + +#ifndef FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT + + else if ( args->flags & FT_OPEN_PATHNAME ) + { + /* create a normal system stream */ + error = FT_Stream_Open( stream, args->pathname ); + stream->pathname.pointer = args->pathname; + } + else if ( ( args->flags & FT_OPEN_STREAM ) && args->stream ) + { + /* use an existing, user-provided stream */ + + /* in this case, we do not need to allocate a new stream object */ + /* since the caller is responsible for closing it himself */ + FT_FREE( stream ); + stream = args->stream; + } + +#endif + + else + error = FT_THROW( Invalid_Argument ); + + if ( error ) + FT_FREE( stream ); + else + stream->memory = memory; /* just to be certain */ + + *astream = stream; + + Exit: + return error; + } + + + FT_BASE_DEF( void ) + FT_Stream_Free( FT_Stream stream, + FT_Int external ) + { + if ( stream ) + { + FT_Memory memory = stream->memory; + + + FT_Stream_Close( stream ); + + if ( !external ) + FT_FREE( stream ); + } + } + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_objs + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** FACE, SIZE & GLYPH SLOT OBJECTS ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + static FT_Error + ft_glyphslot_init( FT_GlyphSlot slot ) + { + FT_Driver driver = slot->face->driver; + FT_Driver_Class clazz = driver->clazz; + FT_Memory memory = driver->root.memory; + FT_Error error = FT_Err_Ok; + FT_Slot_Internal internal = NULL; + + + slot->library = driver->root.library; + + if ( FT_NEW( internal ) ) + goto Exit; + + slot->internal = internal; + + if ( FT_DRIVER_USES_OUTLINES( driver ) ) + error = FT_GlyphLoader_New( memory, &internal->loader ); + + if ( !error && clazz->init_slot ) + error = clazz->init_slot( slot ); + + Exit: + return error; + } + + + FT_BASE_DEF( void ) + ft_glyphslot_free_bitmap( FT_GlyphSlot slot ) + { + if ( slot->internal && ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) ) + { + FT_Memory memory = FT_FACE_MEMORY( slot->face ); + + + FT_FREE( slot->bitmap.buffer ); + slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; + } + else + { + /* assume that the bitmap buffer was stolen or not */ + /* allocated from the heap */ + slot->bitmap.buffer = NULL; + } + } + + + FT_BASE_DEF( void ) + ft_glyphslot_preset_bitmap( FT_GlyphSlot slot, + FT_Render_Mode mode, + const FT_Vector* origin ) + { + FT_Outline* outline = &slot->outline; + FT_Bitmap* bitmap = &slot->bitmap; + + FT_Pixel_Mode pixel_mode; + + FT_BBox cbox; + FT_Pos x_shift = 0; + FT_Pos y_shift = 0; + FT_Pos x_left, y_top; + FT_Pos width, height, pitch; + + + if ( slot->internal && ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) ) + return; + + if ( origin ) + { + x_shift = origin->x; + y_shift = origin->y; + } + + /* compute the control box, and grid-fit it, */ + /* taking into account the origin shift */ + FT_Outline_Get_CBox( outline, &cbox ); + + cbox.xMin += x_shift; + cbox.yMin += y_shift; + cbox.xMax += x_shift; + cbox.yMax += y_shift; + + switch ( mode ) + { + case FT_RENDER_MODE_MONO: + pixel_mode = FT_PIXEL_MODE_MONO; +#if 1 + /* undocumented but confirmed: bbox values get rounded */ + /* unless the rounded box can collapse for a narrow glyph */ + if ( cbox.xMax - cbox.xMin < 64 ) + { + cbox.xMin = FT_PIX_FLOOR( cbox.xMin ); + cbox.xMax = FT_PIX_CEIL_LONG( cbox.xMax ); + } + else + { + cbox.xMin = FT_PIX_ROUND_LONG( cbox.xMin ); + cbox.xMax = FT_PIX_ROUND_LONG( cbox.xMax ); + } + + if ( cbox.yMax - cbox.yMin < 64 ) + { + cbox.yMin = FT_PIX_FLOOR( cbox.yMin ); + cbox.yMax = FT_PIX_CEIL_LONG( cbox.yMax ); + } + else + { + cbox.yMin = FT_PIX_ROUND_LONG( cbox.yMin ); + cbox.yMax = FT_PIX_ROUND_LONG( cbox.yMax ); + } +#else + cbox.xMin = FT_PIX_FLOOR( cbox.xMin ); + cbox.yMin = FT_PIX_FLOOR( cbox.yMin ); + cbox.xMax = FT_PIX_CEIL_LONG( cbox.xMax ); + cbox.yMax = FT_PIX_CEIL_LONG( cbox.yMax ); +#endif + break; + + case FT_RENDER_MODE_LCD: + pixel_mode = FT_PIXEL_MODE_LCD; + ft_lcd_padding( &cbox.xMin, &cbox.xMax, slot ); + goto Round; + + case FT_RENDER_MODE_LCD_V: + pixel_mode = FT_PIXEL_MODE_LCD_V; + ft_lcd_padding( &cbox.yMin, &cbox.yMax, slot ); + goto Round; + + case FT_RENDER_MODE_NORMAL: + case FT_RENDER_MODE_LIGHT: + default: + pixel_mode = FT_PIXEL_MODE_GRAY; + Round: + cbox.xMin = FT_PIX_FLOOR( cbox.xMin ); + cbox.yMin = FT_PIX_FLOOR( cbox.yMin ); + cbox.xMax = FT_PIX_CEIL_LONG( cbox.xMax ); + cbox.yMax = FT_PIX_CEIL_LONG( cbox.yMax ); + } + + x_shift = SUB_LONG( x_shift, cbox.xMin ); + y_shift = SUB_LONG( y_shift, cbox.yMin ); + + x_left = cbox.xMin >> 6; + y_top = cbox.yMax >> 6; + + width = ( (FT_ULong)cbox.xMax - (FT_ULong)cbox.xMin ) >> 6; + height = ( (FT_ULong)cbox.yMax - (FT_ULong)cbox.yMin ) >> 6; + + switch ( pixel_mode ) + { + case FT_PIXEL_MODE_MONO: + pitch = ( ( width + 15 ) >> 4 ) << 1; + break; + + case FT_PIXEL_MODE_LCD: + width *= 3; + pitch = FT_PAD_CEIL( width, 4 ); + break; + + case FT_PIXEL_MODE_LCD_V: + height *= 3; + /* fall through */ + + case FT_PIXEL_MODE_GRAY: + default: + pitch = width; + } + + slot->bitmap_left = (FT_Int)x_left; + slot->bitmap_top = (FT_Int)y_top; + + bitmap->pixel_mode = (unsigned char)pixel_mode; + bitmap->num_grays = 256; + bitmap->width = (unsigned int)width; + bitmap->rows = (unsigned int)height; + bitmap->pitch = pitch; + } + + + FT_BASE_DEF( void ) + ft_glyphslot_set_bitmap( FT_GlyphSlot slot, + FT_Byte* buffer ) + { + ft_glyphslot_free_bitmap( slot ); + + slot->bitmap.buffer = buffer; + + FT_ASSERT( (slot->internal->flags & FT_GLYPH_OWN_BITMAP) == 0 ); + } + + + FT_BASE_DEF( FT_Error ) + ft_glyphslot_alloc_bitmap( FT_GlyphSlot slot, + FT_ULong size ) + { + FT_Memory memory = FT_FACE_MEMORY( slot->face ); + FT_Error error; + + + if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) + FT_FREE( slot->bitmap.buffer ); + else + slot->internal->flags |= FT_GLYPH_OWN_BITMAP; + + (void)FT_ALLOC( slot->bitmap.buffer, size ); + return error; + } + + + static void + ft_glyphslot_clear( FT_GlyphSlot slot ) + { + /* free bitmap if needed */ + ft_glyphslot_free_bitmap( slot ); + + /* clear all public fields in the glyph slot */ + FT_ZERO( &slot->metrics ); + FT_ZERO( &slot->outline ); + + slot->bitmap.width = 0; + slot->bitmap.rows = 0; + slot->bitmap.pitch = 0; + slot->bitmap.pixel_mode = 0; + /* `slot->bitmap.buffer' has been handled by ft_glyphslot_free_bitmap */ + + slot->bitmap_left = 0; + slot->bitmap_top = 0; + slot->num_subglyphs = 0; + slot->subglyphs = NULL; + slot->control_data = NULL; + slot->control_len = 0; + slot->other = NULL; + slot->format = FT_GLYPH_FORMAT_NONE; + + slot->linearHoriAdvance = 0; + slot->linearVertAdvance = 0; + slot->lsb_delta = 0; + slot->rsb_delta = 0; + } + + + static void + ft_glyphslot_done( FT_GlyphSlot slot ) + { + FT_Driver driver = slot->face->driver; + FT_Driver_Class clazz = driver->clazz; + FT_Memory memory = driver->root.memory; + + + if ( clazz->done_slot ) + clazz->done_slot( slot ); + + /* free bitmap buffer if needed */ + ft_glyphslot_free_bitmap( slot ); + + /* slot->internal might be NULL in out-of-memory situations */ + if ( slot->internal ) + { + /* free glyph loader */ + if ( FT_DRIVER_USES_OUTLINES( driver ) ) + { + FT_GlyphLoader_Done( slot->internal->loader ); + slot->internal->loader = NULL; + } + + FT_FREE( slot->internal ); + } + } + + + /* documentation is in ftobjs.h */ + + FT_BASE_DEF( FT_Error ) + FT_New_GlyphSlot( FT_Face face, + FT_GlyphSlot *aslot ) + { + FT_Error error; + FT_Driver driver; + FT_Driver_Class clazz; + FT_Memory memory; + FT_GlyphSlot slot = NULL; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !face->driver ) + return FT_THROW( Invalid_Argument ); + + driver = face->driver; + clazz = driver->clazz; + memory = driver->root.memory; + + FT_TRACE4(( "FT_New_GlyphSlot: Creating new slot object\n" )); + if ( !FT_ALLOC( slot, clazz->slot_object_size ) ) + { + slot->face = face; + + error = ft_glyphslot_init( slot ); + if ( error ) + { + ft_glyphslot_done( slot ); + FT_FREE( slot ); + goto Exit; + } + + slot->next = face->glyph; + face->glyph = slot; + + if ( aslot ) + *aslot = slot; + } + else if ( aslot ) + *aslot = NULL; + + + Exit: + FT_TRACE4(( "FT_New_GlyphSlot: Return 0x%x\n", error )); + + return error; + } + + + /* documentation is in ftobjs.h */ + + FT_BASE_DEF( void ) + FT_Done_GlyphSlot( FT_GlyphSlot slot ) + { + if ( slot ) + { + FT_Driver driver = slot->face->driver; + FT_Memory memory = driver->root.memory; + FT_GlyphSlot prev; + FT_GlyphSlot cur; + + + /* Remove slot from its parent face's list */ + prev = NULL; + cur = slot->face->glyph; + + while ( cur ) + { + if ( cur == slot ) + { + if ( !prev ) + slot->face->glyph = cur->next; + else + prev->next = cur->next; + + /* finalize client-specific data */ + if ( slot->generic.finalizer ) + slot->generic.finalizer( slot ); + + ft_glyphslot_done( slot ); + FT_FREE( slot ); + break; + } + prev = cur; + cur = cur->next; + } + } + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( void ) + FT_Set_Transform( FT_Face face, + FT_Matrix* matrix, + FT_Vector* delta ) + { + FT_Face_Internal internal; + + + if ( !face ) + return; + + internal = face->internal; + + internal->transform_flags = 0; + + if ( !matrix ) + { + internal->transform_matrix.xx = 0x10000L; + internal->transform_matrix.xy = 0; + internal->transform_matrix.yx = 0; + internal->transform_matrix.yy = 0x10000L; + + matrix = &internal->transform_matrix; + } + else + internal->transform_matrix = *matrix; + + /* set transform_flags bit flag 0 if `matrix' isn't the identity */ + if ( ( matrix->xy | matrix->yx ) || + matrix->xx != 0x10000L || + matrix->yy != 0x10000L ) + internal->transform_flags |= 1; + + if ( !delta ) + { + internal->transform_delta.x = 0; + internal->transform_delta.y = 0; + + delta = &internal->transform_delta; + } + else + internal->transform_delta = *delta; + + /* set transform_flags bit flag 1 if `delta' isn't the null vector */ + if ( delta->x | delta->y ) + internal->transform_flags |= 2; + } + + + static FT_Renderer + ft_lookup_glyph_renderer( FT_GlyphSlot slot ); + + +#ifdef GRID_FIT_METRICS + static void + ft_glyphslot_grid_fit_metrics( FT_GlyphSlot slot, + FT_Bool vertical ) + { + FT_Glyph_Metrics* metrics = &slot->metrics; + FT_Pos right, bottom; + + + if ( vertical ) + { + metrics->horiBearingX = FT_PIX_FLOOR( metrics->horiBearingX ); + metrics->horiBearingY = FT_PIX_CEIL_LONG( metrics->horiBearingY ); + + right = FT_PIX_CEIL_LONG( ADD_LONG( metrics->vertBearingX, + metrics->width ) ); + bottom = FT_PIX_CEIL_LONG( ADD_LONG( metrics->vertBearingY, + metrics->height ) ); + + metrics->vertBearingX = FT_PIX_FLOOR( metrics->vertBearingX ); + metrics->vertBearingY = FT_PIX_FLOOR( metrics->vertBearingY ); + + metrics->width = SUB_LONG( right, + metrics->vertBearingX ); + metrics->height = SUB_LONG( bottom, + metrics->vertBearingY ); + } + else + { + metrics->vertBearingX = FT_PIX_FLOOR( metrics->vertBearingX ); + metrics->vertBearingY = FT_PIX_FLOOR( metrics->vertBearingY ); + + right = FT_PIX_CEIL_LONG( ADD_LONG( metrics->horiBearingX, + metrics->width ) ); + bottom = FT_PIX_FLOOR( SUB_LONG( metrics->horiBearingY, + metrics->height ) ); + + metrics->horiBearingX = FT_PIX_FLOOR( metrics->horiBearingX ); + metrics->horiBearingY = FT_PIX_CEIL_LONG( metrics->horiBearingY ); + + metrics->width = SUB_LONG( right, + metrics->horiBearingX ); + metrics->height = SUB_LONG( metrics->horiBearingY, + bottom ); + } + + metrics->horiAdvance = FT_PIX_ROUND_LONG( metrics->horiAdvance ); + metrics->vertAdvance = FT_PIX_ROUND_LONG( metrics->vertAdvance ); + } +#endif /* GRID_FIT_METRICS */ + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Load_Glyph( FT_Face face, + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + FT_Error error; + FT_Driver driver; + FT_GlyphSlot slot; + FT_Library library; + FT_Bool autohint = FALSE; + FT_Module hinter; + TT_Face ttface = (TT_Face)face; + + + if ( !face || !face->size || !face->glyph ) + return FT_THROW( Invalid_Face_Handle ); + + /* The validity test for `glyph_index' is performed by the */ + /* font drivers. */ + + slot = face->glyph; + ft_glyphslot_clear( slot ); + + driver = face->driver; + library = driver->root.library; + hinter = library->auto_hinter; + + /* resolve load flags dependencies */ + + if ( load_flags & FT_LOAD_NO_RECURSE ) + load_flags |= FT_LOAD_NO_SCALE | + FT_LOAD_IGNORE_TRANSFORM; + + if ( load_flags & FT_LOAD_NO_SCALE ) + { + load_flags |= FT_LOAD_NO_HINTING | + FT_LOAD_NO_BITMAP; + + load_flags &= ~FT_LOAD_RENDER; + } + + if ( load_flags & FT_LOAD_BITMAP_METRICS_ONLY ) + load_flags &= ~FT_LOAD_RENDER; + + /* + * Determine whether we need to auto-hint or not. + * The general rules are: + * + * - Do only auto-hinting if we have + * + * - a hinter module, + * - a scalable font format dealing with outlines, + * - not a tricky font, and + * - no transforms except simple slants and/or rotations by + * integer multiples of 90 degrees. + * + * - Then, auto-hint if FT_LOAD_FORCE_AUTOHINT is set or if we don't + * have a native font hinter. + * + * - Otherwise, auto-hint for LIGHT hinting mode or if there isn't + * any hinting bytecode in the TrueType/OpenType font. + * + * - Exception: The font is `tricky' and requires the native hinter to + * load properly. + */ + + if ( hinter && + !( load_flags & FT_LOAD_NO_HINTING ) && + !( load_flags & FT_LOAD_NO_AUTOHINT ) && + FT_DRIVER_IS_SCALABLE( driver ) && + FT_DRIVER_USES_OUTLINES( driver ) && + !FT_IS_TRICKY( face ) && + ( ( load_flags & FT_LOAD_IGNORE_TRANSFORM ) || + ( face->internal->transform_matrix.yx == 0 && + face->internal->transform_matrix.xx != 0 ) || + ( face->internal->transform_matrix.xx == 0 && + face->internal->transform_matrix.yx != 0 ) ) ) + { + if ( ( load_flags & FT_LOAD_FORCE_AUTOHINT ) || + !FT_DRIVER_HAS_HINTER( driver ) ) + autohint = TRUE; + else + { + FT_Render_Mode mode = FT_LOAD_TARGET_MODE( load_flags ); + FT_Bool is_light_type1; + + + /* only the new Adobe engine (for both CFF and Type 1) is `light'; */ + /* we use `strstr' to catch both `Type 1' and `CID Type 1' */ + is_light_type1 = + ft_strstr( FT_Get_Font_Format( face ), "Type 1" ) != NULL && + ((PS_Driver)driver)->hinting_engine == FT_HINTING_ADOBE; + + /* the check for `num_locations' assures that we actually */ + /* test for instructions in a TTF and not in a CFF-based OTF */ + /* */ + /* since `maxSizeOfInstructions' might be unreliable, we */ + /* check the size of the `fpgm' and `prep' tables, too -- */ + /* the assumption is that there don't exist real TTFs where */ + /* both `fpgm' and `prep' tables are missing */ + if ( ( mode == FT_RENDER_MODE_LIGHT && + ( !FT_DRIVER_HINTS_LIGHTLY( driver ) && + !is_light_type1 ) ) || + ( FT_IS_SFNT( face ) && + ttface->num_locations && + ttface->max_profile.maxSizeOfInstructions == 0 && + ttface->font_program_size == 0 && + ttface->cvt_program_size == 0 ) ) + autohint = TRUE; + } + } + + if ( autohint ) + { + FT_AutoHinter_Interface hinting; + + + /* try to load embedded bitmaps first if available */ + /* */ + /* XXX: This is really a temporary hack that should disappear */ + /* promptly with FreeType 2.1! */ + /* */ + if ( FT_HAS_FIXED_SIZES( face ) && + ( load_flags & FT_LOAD_NO_BITMAP ) == 0 ) + { + error = driver->clazz->load_glyph( slot, face->size, + glyph_index, + load_flags | FT_LOAD_SBITS_ONLY ); + + if ( !error && slot->format == FT_GLYPH_FORMAT_BITMAP ) + goto Load_Ok; + } + + { + FT_Face_Internal internal = face->internal; + FT_Int transform_flags = internal->transform_flags; + + + /* since the auto-hinter calls FT_Load_Glyph by itself, */ + /* make sure that glyphs aren't transformed */ + internal->transform_flags = 0; + + /* load auto-hinted outline */ + hinting = (FT_AutoHinter_Interface)hinter->clazz->module_interface; + + error = hinting->load_glyph( (FT_AutoHinter)hinter, + slot, face->size, + glyph_index, load_flags ); + + internal->transform_flags = transform_flags; + } + } + else + { + error = driver->clazz->load_glyph( slot, + face->size, + glyph_index, + load_flags ); + if ( error ) + goto Exit; + + if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) + { + /* check that the loaded outline is correct */ + error = FT_Outline_Check( &slot->outline ); + if ( error ) + goto Exit; + +#ifdef GRID_FIT_METRICS + if ( !( load_flags & FT_LOAD_NO_HINTING ) ) + ft_glyphslot_grid_fit_metrics( slot, + FT_BOOL( load_flags & FT_LOAD_VERTICAL_LAYOUT ) ); +#endif + } + } + + Load_Ok: + /* compute the advance */ + if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) + { + slot->advance.x = 0; + slot->advance.y = slot->metrics.vertAdvance; + } + else + { + slot->advance.x = slot->metrics.horiAdvance; + slot->advance.y = 0; + } + + /* compute the linear advance in 16.16 pixels */ + if ( ( load_flags & FT_LOAD_LINEAR_DESIGN ) == 0 && + FT_IS_SCALABLE( face ) ) + { + FT_Size_Metrics* metrics = &face->size->metrics; + + + /* it's tricky! */ + slot->linearHoriAdvance = FT_MulDiv( slot->linearHoriAdvance, + metrics->x_scale, 64 ); + + slot->linearVertAdvance = FT_MulDiv( slot->linearVertAdvance, + metrics->y_scale, 64 ); + } + + if ( ( load_flags & FT_LOAD_IGNORE_TRANSFORM ) == 0 ) + { + FT_Face_Internal internal = face->internal; + + + /* now, transform the glyph image if needed */ + if ( internal->transform_flags ) + { + /* get renderer */ + FT_Renderer renderer = ft_lookup_glyph_renderer( slot ); + + + if ( renderer ) + error = renderer->clazz->transform_glyph( + renderer, slot, + &internal->transform_matrix, + &internal->transform_delta ); + else if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) + { + /* apply `standard' transformation if no renderer is available */ + if ( internal->transform_flags & 1 ) + FT_Outline_Transform( &slot->outline, + &internal->transform_matrix ); + + if ( internal->transform_flags & 2 ) + FT_Outline_Translate( &slot->outline, + internal->transform_delta.x, + internal->transform_delta.y ); + } + + /* transform advance */ + FT_Vector_Transform( &slot->advance, &internal->transform_matrix ); + } + } + + /* do we need to render the image or preset the bitmap now? */ + if ( !error && + ( load_flags & FT_LOAD_NO_SCALE ) == 0 && + slot->format != FT_GLYPH_FORMAT_BITMAP && + slot->format != FT_GLYPH_FORMAT_COMPOSITE ) + { + FT_Render_Mode mode = FT_LOAD_TARGET_MODE( load_flags ); + + + if ( mode == FT_RENDER_MODE_NORMAL && + load_flags & FT_LOAD_MONOCHROME ) + mode = FT_RENDER_MODE_MONO; + + if ( load_flags & FT_LOAD_RENDER ) + error = FT_Render_Glyph( slot, mode ); + else + ft_glyphslot_preset_bitmap( slot, mode, NULL ); + } + + FT_TRACE5(( "FT_Load_Glyph: index %d, flags %x\n", + glyph_index, load_flags )); + FT_TRACE5(( " x advance: %f\n", slot->advance.x / 64.0 )); + FT_TRACE5(( " y advance: %f\n", slot->advance.y / 64.0 )); + FT_TRACE5(( " linear x advance: %f\n", + slot->linearHoriAdvance / 65536.0 )); + FT_TRACE5(( " linear y advance: %f\n", + slot->linearVertAdvance / 65536.0 )); + FT_TRACE5(( " bitmap %dx%d, mode %d\n", + slot->bitmap.width, slot->bitmap.rows, + slot->bitmap.pixel_mode )); + + Exit: + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Load_Char( FT_Face face, + FT_ULong char_code, + FT_Int32 load_flags ) + { + FT_UInt glyph_index; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + glyph_index = (FT_UInt)char_code; + if ( face->charmap ) + glyph_index = FT_Get_Char_Index( face, char_code ); + + return FT_Load_Glyph( face, glyph_index, load_flags ); + } + + + /* destructor for sizes list */ + static void + destroy_size( FT_Memory memory, + FT_Size size, + FT_Driver driver ) + { + /* finalize client-specific data */ + if ( size->generic.finalizer ) + size->generic.finalizer( size ); + + /* finalize format-specific stuff */ + if ( driver->clazz->done_size ) + driver->clazz->done_size( size ); + + FT_FREE( size->internal ); + FT_FREE( size ); + } + + + static void + ft_cmap_done_internal( FT_CMap cmap ); + + + static void + destroy_charmaps( FT_Face face, + FT_Memory memory ) + { + FT_Int n; + + + if ( !face ) + return; + + for ( n = 0; n < face->num_charmaps; n++ ) + { + FT_CMap cmap = FT_CMAP( face->charmaps[n] ); + + + ft_cmap_done_internal( cmap ); + + face->charmaps[n] = NULL; + } + + FT_FREE( face->charmaps ); + face->num_charmaps = 0; + } + + + /* destructor for faces list */ + static void + destroy_face( FT_Memory memory, + FT_Face face, + FT_Driver driver ) + { + FT_Driver_Class clazz = driver->clazz; + + + /* discard auto-hinting data */ + if ( face->autohint.finalizer ) + face->autohint.finalizer( face->autohint.data ); + + /* Discard glyph slots for this face. */ + /* Beware! FT_Done_GlyphSlot() changes the field `face->glyph' */ + while ( face->glyph ) + FT_Done_GlyphSlot( face->glyph ); + + /* discard all sizes for this face */ + FT_List_Finalize( &face->sizes_list, + (FT_List_Destructor)destroy_size, + memory, + driver ); + face->size = NULL; + + /* now discard client data */ + if ( face->generic.finalizer ) + face->generic.finalizer( face ); + + /* discard charmaps */ + destroy_charmaps( face, memory ); + + /* finalize format-specific stuff */ + if ( clazz->done_face ) + clazz->done_face( face ); + + /* close the stream for this face if needed */ + FT_Stream_Free( + face->stream, + ( face->face_flags & FT_FACE_FLAG_EXTERNAL_STREAM ) != 0 ); + + face->stream = NULL; + + /* get rid of it */ + if ( face->internal ) + { + FT_FREE( face->internal ); + } + FT_FREE( face ); + } + + + static void + Destroy_Driver( FT_Driver driver ) + { + FT_List_Finalize( &driver->faces_list, + (FT_List_Destructor)destroy_face, + driver->root.memory, + driver ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* find_unicode_charmap */ + /* */ + /* <Description> */ + /* This function finds a Unicode charmap, if there is one. */ + /* And if there is more than one, it tries to favour the more */ + /* extensive one, i.e., one that supports UCS-4 against those which */ + /* are limited to the BMP (said UCS-2 encoding.) */ + /* */ + /* This function is called from open_face() (just below), and also */ + /* from FT_Select_Charmap( ..., FT_ENCODING_UNICODE ). */ + /* */ + static FT_Error + find_unicode_charmap( FT_Face face ) + { + FT_CharMap* first; + FT_CharMap* cur; + + + /* caller should have already checked that `face' is valid */ + FT_ASSERT( face ); + + first = face->charmaps; + + if ( !first ) + return FT_THROW( Invalid_CharMap_Handle ); + + /* + * The original TrueType specification(s) only specified charmap + * formats that are capable of mapping 8 or 16 bit character codes to + * glyph indices. + * + * However, recent updates to the Apple and OpenType specifications + * introduced new formats that are capable of mapping 32-bit character + * codes as well. And these are already used on some fonts, mainly to + * map non-BMP Asian ideographs as defined in Unicode. + * + * For compatibility purposes, these fonts generally come with + * *several* Unicode charmaps: + * + * - One of them in the "old" 16-bit format, that cannot access + * all glyphs in the font. + * + * - Another one in the "new" 32-bit format, that can access all + * the glyphs. + * + * This function has been written to always favor a 32-bit charmap + * when found. Otherwise, a 16-bit one is returned when found. + */ + + /* Since the `interesting' table, with IDs (3,10), is normally the */ + /* last one, we loop backwards. This loses with type1 fonts with */ + /* non-BMP characters (<.0001%), this wins with .ttf with non-BMP */ + /* chars (.01% ?), and this is the same about 99.99% of the time! */ + + cur = first + face->num_charmaps; /* points after the last one */ + + for ( ; --cur >= first; ) + { + if ( cur[0]->encoding == FT_ENCODING_UNICODE ) + { + /* XXX If some new encodings to represent UCS-4 are added, */ + /* they should be added here. */ + if ( ( cur[0]->platform_id == TT_PLATFORM_MICROSOFT && + cur[0]->encoding_id == TT_MS_ID_UCS_4 ) || + ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && + cur[0]->encoding_id == TT_APPLE_ID_UNICODE_32 ) ) + { + face->charmap = cur[0]; + return FT_Err_Ok; + } + } + } + + /* We do not have any UCS-4 charmap. */ + /* Do the loop again and search for UCS-2 charmaps. */ + cur = first + face->num_charmaps; + + for ( ; --cur >= first; ) + { + if ( cur[0]->encoding == FT_ENCODING_UNICODE ) + { + face->charmap = cur[0]; + return FT_Err_Ok; + } + } + + return FT_THROW( Invalid_CharMap_Handle ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* find_variant_selector_charmap */ + /* */ + /* <Description> */ + /* This function finds the variant selector charmap, if there is one. */ + /* There can only be one (platform=0, specific=5, format=14). */ + /* */ + static FT_CharMap + find_variant_selector_charmap( FT_Face face ) + { + FT_CharMap* first; + FT_CharMap* end; + FT_CharMap* cur; + + + /* caller should have already checked that `face' is valid */ + FT_ASSERT( face ); + + first = face->charmaps; + + if ( !first ) + return NULL; + + end = first + face->num_charmaps; /* points after the last one */ + + for ( cur = first; cur < end; cur++ ) + { + if ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && + cur[0]->encoding_id == TT_APPLE_ID_VARIANT_SELECTOR && + FT_Get_CMap_Format( cur[0] ) == 14 ) + return cur[0]; + } + + return NULL; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* open_face */ + /* */ + /* <Description> */ + /* This function does some work for FT_Open_Face(). */ + /* */ + static FT_Error + open_face( FT_Driver driver, + FT_Stream *astream, + FT_Bool external_stream, + FT_Long face_index, + FT_Int num_params, + FT_Parameter* params, + FT_Face *aface ) + { + FT_Memory memory; + FT_Driver_Class clazz; + FT_Face face = NULL; + FT_Face_Internal internal = NULL; + + FT_Error error, error2; + + + clazz = driver->clazz; + memory = driver->root.memory; + + /* allocate the face object and perform basic initialization */ + if ( FT_ALLOC( face, clazz->face_object_size ) ) + goto Fail; + + face->driver = driver; + face->memory = memory; + face->stream = *astream; + + /* set the FT_FACE_FLAG_EXTERNAL_STREAM bit for FT_Done_Face */ + if ( external_stream ) + face->face_flags |= FT_FACE_FLAG_EXTERNAL_STREAM; + + if ( FT_NEW( internal ) ) + goto Fail; + + face->internal = internal; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + { + int i; + + + face->internal->incremental_interface = NULL; + for ( i = 0; i < num_params && !face->internal->incremental_interface; + i++ ) + if ( params[i].tag == FT_PARAM_TAG_INCREMENTAL ) + face->internal->incremental_interface = + (FT_Incremental_Interface)params[i].data; + } +#endif + + face->internal->random_seed = -1; + + if ( clazz->init_face ) + error = clazz->init_face( *astream, + face, + (FT_Int)face_index, + num_params, + params ); + *astream = face->stream; /* Stream may have been changed. */ + if ( error ) + goto Fail; + + /* select Unicode charmap by default */ + error2 = find_unicode_charmap( face ); + + /* if no Unicode charmap can be found, FT_Err_Invalid_CharMap_Handle */ + /* is returned. */ + + /* no error should happen, but we want to play safe */ + if ( error2 && FT_ERR_NEQ( error2, Invalid_CharMap_Handle ) ) + { + error = error2; + goto Fail; + } + + *aface = face; + + Fail: + if ( error ) + { + destroy_charmaps( face, memory ); + if ( clazz->done_face ) + clazz->done_face( face ); + FT_FREE( internal ); + FT_FREE( face ); + *aface = NULL; + } + + return error; + } + + + /* there's a Mac-specific extended implementation of FT_New_Face() */ + /* in src/base/ftmac.c */ + +#ifndef FT_MACINTOSH + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_New_Face( FT_Library library, + const char* pathname, + FT_Long face_index, + FT_Face *aface ) + { + FT_Open_Args args; + + + /* test for valid `library' and `aface' delayed to `FT_Open_Face' */ + if ( !pathname ) + return FT_THROW( Invalid_Argument ); + + args.flags = FT_OPEN_PATHNAME; + args.pathname = (char*)pathname; + args.stream = NULL; + + return ft_open_face_internal( library, &args, face_index, aface, 1 ); + } + +#endif + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_New_Memory_Face( FT_Library library, + const FT_Byte* file_base, + FT_Long file_size, + FT_Long face_index, + FT_Face *aface ) + { + FT_Open_Args args; + + + /* test for valid `library' and `face' delayed to `FT_Open_Face' */ + if ( !file_base ) + return FT_THROW( Invalid_Argument ); + + args.flags = FT_OPEN_MEMORY; + args.memory_base = file_base; + args.memory_size = file_size; + args.stream = NULL; + + return ft_open_face_internal( library, &args, face_index, aface, 1 ); + } + + +#ifdef FT_CONFIG_OPTION_MAC_FONTS + + /* The behavior here is very similar to that in base/ftmac.c, but it */ + /* is designed to work on non-mac systems, so no mac specific calls. */ + /* */ + /* We look at the file and determine if it is a mac dfont file or a mac */ + /* resource file, or a macbinary file containing a mac resource file. */ + /* */ + /* Unlike ftmac I'm not going to look at a `FOND'. I don't really see */ + /* the point, especially since there may be multiple `FOND' resources. */ + /* Instead I'll just look for `sfnt' and `POST' resources, ordered as */ + /* they occur in the file. */ + /* */ + /* Note that multiple `POST' resources do not mean multiple postscript */ + /* fonts; they all get jammed together to make what is essentially a */ + /* pfb file. */ + /* */ + /* We aren't interested in `NFNT' or `FONT' bitmap resources. */ + /* */ + /* As soon as we get an `sfnt' load it into memory and pass it off to */ + /* FT_Open_Face. */ + /* */ + /* If we have a (set of) `POST' resources, massage them into a (memory) */ + /* pfb file and pass that to FT_Open_Face. (As with ftmac.c I'm not */ + /* going to try to save the kerning info. After all that lives in the */ + /* `FOND' which isn't in the file containing the `POST' resources so */ + /* we don't really have access to it. */ + + + /* Finalizer for a memory stream; gets called by FT_Done_Face(). */ + /* It frees the memory it uses. */ + /* From `ftmac.c'. */ + static void + memory_stream_close( FT_Stream stream ) + { + FT_Memory memory = stream->memory; + + + FT_FREE( stream->base ); + + stream->size = 0; + stream->base = NULL; + stream->close = NULL; + } + + + /* Create a new memory stream from a buffer and a size. */ + /* From `ftmac.c'. */ + static FT_Error + new_memory_stream( FT_Library library, + FT_Byte* base, + FT_ULong size, + FT_Stream_CloseFunc close, + FT_Stream *astream ) + { + FT_Error error; + FT_Memory memory; + FT_Stream stream = NULL; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !base ) + return FT_THROW( Invalid_Argument ); + + *astream = NULL; + memory = library->memory; + if ( FT_NEW( stream ) ) + goto Exit; + + FT_Stream_OpenMemory( stream, base, size ); + + stream->close = close; + + *astream = stream; + + Exit: + return error; + } + + + /* Create a new FT_Face given a buffer and a driver name. */ + /* From `ftmac.c'. */ + FT_LOCAL_DEF( FT_Error ) + open_face_from_buffer( FT_Library library, + FT_Byte* base, + FT_ULong size, + FT_Long face_index, + const char* driver_name, + FT_Face *aface ) + { + FT_Open_Args args; + FT_Error error; + FT_Stream stream = NULL; + FT_Memory memory = library->memory; + + + error = new_memory_stream( library, + base, + size, + memory_stream_close, + &stream ); + if ( error ) + { + FT_FREE( base ); + return error; + } + + args.flags = FT_OPEN_STREAM; + args.stream = stream; + if ( driver_name ) + { + args.flags = args.flags | FT_OPEN_DRIVER; + args.driver = FT_Get_Module( library, driver_name ); + } + +#ifdef FT_MACINTOSH + /* At this point, the face index has served its purpose; */ + /* whoever calls this function has already used it to */ + /* locate the correct font data. We should not propagate */ + /* this index to FT_Open_Face() (unless it is negative). */ + + if ( face_index > 0 ) + face_index &= 0x7FFF0000L; /* retain GX data */ +#endif + + error = ft_open_face_internal( library, &args, face_index, aface, 0 ); + + if ( !error ) + (*aface)->face_flags &= ~FT_FACE_FLAG_EXTERNAL_STREAM; + else +#ifdef FT_MACINTOSH + FT_Stream_Free( stream, 0 ); +#else + { + FT_Stream_Close( stream ); + FT_FREE( stream ); + } +#endif + + return error; + } + + + /* Look up `TYP1' or `CID ' table from sfnt table directory. */ + /* `offset' and `length' must exclude the binary header in tables. */ + + /* Type 1 and CID-keyed font drivers should recognize sfnt-wrapped */ + /* format too. Here, since we can't expect that the TrueType font */ + /* driver is loaded unconditionally, we must parse the font by */ + /* ourselves. We are only interested in the name of the table and */ + /* the offset. */ + + static FT_Error + ft_lookup_PS_in_sfnt_stream( FT_Stream stream, + FT_Long face_index, + FT_ULong* offset, + FT_ULong* length, + FT_Bool* is_sfnt_cid ) + { + FT_Error error; + FT_UShort numTables; + FT_Long pstable_index; + FT_ULong tag; + int i; + + + *offset = 0; + *length = 0; + *is_sfnt_cid = FALSE; + + /* TODO: support for sfnt-wrapped PS/CID in TTC format */ + + /* version check for 'typ1' (should be ignored?) */ + if ( FT_READ_ULONG( tag ) ) + return error; + if ( tag != TTAG_typ1 ) + return FT_THROW( Unknown_File_Format ); + + if ( FT_READ_USHORT( numTables ) ) + return error; + if ( FT_STREAM_SKIP( 2 * 3 ) ) /* skip binary search header */ + return error; + + pstable_index = -1; + *is_sfnt_cid = FALSE; + + for ( i = 0; i < numTables; i++ ) + { + if ( FT_READ_ULONG( tag ) || FT_STREAM_SKIP( 4 ) || + FT_READ_ULONG( *offset ) || FT_READ_ULONG( *length ) ) + return error; + + if ( tag == TTAG_CID ) + { + pstable_index++; + *offset += 22; + *length -= 22; + *is_sfnt_cid = TRUE; + if ( face_index < 0 ) + return FT_Err_Ok; + } + else if ( tag == TTAG_TYP1 ) + { + pstable_index++; + *offset += 24; + *length -= 24; + *is_sfnt_cid = FALSE; + if ( face_index < 0 ) + return FT_Err_Ok; + } + if ( face_index >= 0 && pstable_index == face_index ) + return FT_Err_Ok; + } + + return FT_THROW( Table_Missing ); + } + + + FT_LOCAL_DEF( FT_Error ) + open_face_PS_from_sfnt_stream( FT_Library library, + FT_Stream stream, + FT_Long face_index, + FT_Int num_params, + FT_Parameter *params, + FT_Face *aface ) + { + FT_Error error; + FT_Memory memory = library->memory; + FT_ULong offset, length; + FT_ULong pos; + FT_Bool is_sfnt_cid; + FT_Byte* sfnt_ps = NULL; + + FT_UNUSED( num_params ); + FT_UNUSED( params ); + + + /* ignore GX stuff */ + if ( face_index > 0 ) + face_index &= 0xFFFFL; + + pos = FT_STREAM_POS(); + + error = ft_lookup_PS_in_sfnt_stream( stream, + face_index, + &offset, + &length, + &is_sfnt_cid ); + if ( error ) + goto Exit; + + if ( offset > stream->size ) + { + FT_TRACE2(( "open_face_PS_from_sfnt_stream: invalid table offset\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + else if ( length > stream->size - offset ) + { + FT_TRACE2(( "open_face_PS_from_sfnt_stream: invalid table length\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + error = FT_Stream_Seek( stream, pos + offset ); + if ( error ) + goto Exit; + + if ( FT_ALLOC( sfnt_ps, (FT_Long)length ) ) + goto Exit; + + error = FT_Stream_Read( stream, (FT_Byte *)sfnt_ps, length ); + if ( error ) + { + FT_FREE( sfnt_ps ); + goto Exit; + } + + error = open_face_from_buffer( library, + sfnt_ps, + length, + FT_MIN( face_index, 0 ), + is_sfnt_cid ? "cid" : "type1", + aface ); + Exit: + { + FT_Error error1; + + + if ( FT_ERR_EQ( error, Unknown_File_Format ) ) + { + error1 = FT_Stream_Seek( stream, pos ); + if ( error1 ) + return error1; + } + + return error; + } + } + + +#ifndef FT_MACINTOSH + + /* The resource header says we've got resource_cnt `POST' (type1) */ + /* resources in this file. They all need to be coalesced into */ + /* one lump which gets passed on to the type1 driver. */ + /* Here can be only one PostScript font in a file so face_index */ + /* must be 0 (or -1). */ + /* */ + static FT_Error + Mac_Read_POST_Resource( FT_Library library, + FT_Stream stream, + FT_Long *offsets, + FT_Long resource_cnt, + FT_Long face_index, + FT_Face *aface ) + { + FT_Error error = FT_ERR( Cannot_Open_Resource ); + FT_Memory memory = library->memory; + + FT_Byte* pfb_data = NULL; + int i, type, flags; + FT_ULong len; + FT_ULong pfb_len, pfb_pos, pfb_lenpos; + FT_ULong rlen, temp; + + + if ( face_index == -1 ) + face_index = 0; + if ( face_index != 0 ) + return error; + + /* Find the length of all the POST resources, concatenated. Assume */ + /* worst case (each resource in its own section). */ + pfb_len = 0; + for ( i = 0; i < resource_cnt; i++ ) + { + error = FT_Stream_Seek( stream, (FT_ULong)offsets[i] ); + if ( error ) + goto Exit; + if ( FT_READ_ULONG( temp ) ) /* actually LONG */ + goto Exit; + + /* FT2 allocator takes signed long buffer length, + * too large value causing overflow should be checked + */ + FT_TRACE4(( " POST fragment #%d: length=0x%08x" + " total pfb_len=0x%08x\n", + i, temp, pfb_len + temp + 6 )); + + if ( FT_MAC_RFORK_MAX_LEN < temp || + FT_MAC_RFORK_MAX_LEN - temp < pfb_len + 6 ) + { + FT_TRACE2(( " MacOS resource length cannot exceed" + " 0x%08x\n", + FT_MAC_RFORK_MAX_LEN )); + + error = FT_THROW( Invalid_Offset ); + goto Exit; + } + + pfb_len += temp + 6; + } + + FT_TRACE2(( " total buffer size to concatenate" + " %d POST fragments: 0x%08x\n", + resource_cnt, pfb_len + 2 )); + + if ( pfb_len + 2 < 6 ) + { + FT_TRACE2(( " too long fragment length makes" + " pfb_len confused: pfb_len=0x%08x\n", + pfb_len )); + + error = FT_THROW( Array_Too_Large ); + goto Exit; + } + + if ( FT_ALLOC( pfb_data, (FT_Long)pfb_len + 2 ) ) + goto Exit; + + pfb_data[0] = 0x80; + pfb_data[1] = 1; /* Ascii section */ + pfb_data[2] = 0; /* 4-byte length, fill in later */ + pfb_data[3] = 0; + pfb_data[4] = 0; + pfb_data[5] = 0; + pfb_pos = 6; + pfb_lenpos = 2; + + len = 0; + type = 1; + + for ( i = 0; i < resource_cnt; i++ ) + { + error = FT_Stream_Seek( stream, (FT_ULong)offsets[i] ); + if ( error ) + goto Exit2; + if ( FT_READ_ULONG( rlen ) ) + goto Exit2; + + /* FT2 allocator takes signed long buffer length, + * too large fragment length causing overflow should be checked + */ + if ( 0x7FFFFFFFUL < rlen ) + { + error = FT_THROW( Invalid_Offset ); + goto Exit2; + } + + if ( FT_READ_USHORT( flags ) ) + goto Exit2; + + FT_TRACE3(( "POST fragment[%d]:" + " offsets=0x%08x, rlen=0x%08x, flags=0x%04x\n", + i, offsets[i], rlen, flags )); + + error = FT_ERR( Array_Too_Large ); + + /* postpone the check of `rlen longer than buffer' */ + /* until `FT_Stream_Read' */ + + if ( ( flags >> 8 ) == 0 ) /* Comment, should not be loaded */ + { + FT_TRACE3(( " Skip POST fragment #%d because it is a comment\n", + i )); + continue; + } + + /* the flags are part of the resource, so rlen >= 2, */ + /* but some fonts declare rlen = 0 for empty fragment */ + if ( rlen > 2 ) + rlen -= 2; + else + rlen = 0; + + if ( ( flags >> 8 ) == type ) + len += rlen; + else + { + FT_TRACE3(( " Write POST fragment #%d header (4-byte) to buffer" + " %p + 0x%08x\n", + i, pfb_data, pfb_lenpos )); + + if ( pfb_lenpos + 3 > pfb_len + 2 ) + goto Exit2; + + pfb_data[pfb_lenpos ] = (FT_Byte)( len ); + pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); + pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 ); + pfb_data[pfb_lenpos + 3] = (FT_Byte)( len >> 24 ); + + if ( ( flags >> 8 ) == 5 ) /* End of font mark */ + break; + + FT_TRACE3(( " Write POST fragment #%d header (6-byte) to buffer" + " %p + 0x%08x\n", + i, pfb_data, pfb_pos )); + + if ( pfb_pos + 6 > pfb_len + 2 ) + goto Exit2; + + pfb_data[pfb_pos++] = 0x80; + + type = flags >> 8; + len = rlen; + + pfb_data[pfb_pos++] = (FT_Byte)type; + pfb_lenpos = pfb_pos; + pfb_data[pfb_pos++] = 0; /* 4-byte length, fill in later */ + pfb_data[pfb_pos++] = 0; + pfb_data[pfb_pos++] = 0; + pfb_data[pfb_pos++] = 0; + } + + if ( pfb_pos > pfb_len || pfb_pos + rlen > pfb_len ) + goto Exit2; + + FT_TRACE3(( " Load POST fragment #%d (%d byte) to buffer" + " %p + 0x%08x\n", + i, rlen, pfb_data, pfb_pos )); + + error = FT_Stream_Read( stream, (FT_Byte *)pfb_data + pfb_pos, rlen ); + if ( error ) + goto Exit2; + + pfb_pos += rlen; + } + + error = FT_ERR( Array_Too_Large ); + + if ( pfb_pos + 2 > pfb_len + 2 ) + goto Exit2; + pfb_data[pfb_pos++] = 0x80; + pfb_data[pfb_pos++] = 3; + + if ( pfb_lenpos + 3 > pfb_len + 2 ) + goto Exit2; + pfb_data[pfb_lenpos ] = (FT_Byte)( len ); + pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); + pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 ); + pfb_data[pfb_lenpos + 3] = (FT_Byte)( len >> 24 ); + + return open_face_from_buffer( library, + pfb_data, + pfb_pos, + face_index, + "type1", + aface ); + + Exit2: + if ( FT_ERR_EQ( error, Array_Too_Large ) ) + FT_TRACE2(( " Abort due to too-short buffer to store" + " all POST fragments\n" )); + else if ( FT_ERR_EQ( error, Invalid_Offset ) ) + FT_TRACE2(( " Abort due to invalid offset in a POST fragment\n" )); + + if ( error ) + error = FT_ERR( Cannot_Open_Resource ); + FT_FREE( pfb_data ); + + Exit: + return error; + } + + + /* The resource header says we've got resource_cnt `sfnt' */ + /* (TrueType/OpenType) resources in this file. Look through */ + /* them for the one indicated by face_index, load it into mem, */ + /* pass it on to the truetype driver, and return it. */ + /* */ + static FT_Error + Mac_Read_sfnt_Resource( FT_Library library, + FT_Stream stream, + FT_Long *offsets, + FT_Long resource_cnt, + FT_Long face_index, + FT_Face *aface ) + { + FT_Memory memory = library->memory; + FT_Byte* sfnt_data = NULL; + FT_Error error; + FT_ULong flag_offset; + FT_Long rlen; + int is_cff; + FT_Long face_index_in_resource = 0; + + + if ( face_index < 0 ) + face_index = -face_index - 1; + if ( face_index >= resource_cnt ) + return FT_THROW( Cannot_Open_Resource ); + + flag_offset = (FT_ULong)offsets[face_index]; + error = FT_Stream_Seek( stream, flag_offset ); + if ( error ) + goto Exit; + + if ( FT_READ_LONG( rlen ) ) + goto Exit; + if ( rlen < 1 ) + return FT_THROW( Cannot_Open_Resource ); + if ( (FT_ULong)rlen > FT_MAC_RFORK_MAX_LEN ) + return FT_THROW( Invalid_Offset ); + + error = open_face_PS_from_sfnt_stream( library, + stream, + face_index, + 0, NULL, + aface ); + if ( !error ) + goto Exit; + + /* rewind sfnt stream before open_face_PS_from_sfnt_stream() */ + error = FT_Stream_Seek( stream, flag_offset + 4 ); + if ( error ) + goto Exit; + + if ( FT_ALLOC( sfnt_data, rlen ) ) + return error; + error = FT_Stream_Read( stream, (FT_Byte *)sfnt_data, (FT_ULong)rlen ); + if ( error ) { + FT_FREE( sfnt_data ); + goto Exit; + } + + is_cff = rlen > 4 && !ft_memcmp( sfnt_data, "OTTO", 4 ); + error = open_face_from_buffer( library, + sfnt_data, + (FT_ULong)rlen, + face_index_in_resource, + is_cff ? "cff" : "truetype", + aface ); + + Exit: + return error; + } + + + /* Check for a valid resource fork header, or a valid dfont */ + /* header. In a resource fork the first 16 bytes are repeated */ + /* at the location specified by bytes 4-7. In a dfont bytes */ + /* 4-7 point to 16 bytes of zeroes instead. */ + /* */ + static FT_Error + IsMacResource( FT_Library library, + FT_Stream stream, + FT_Long resource_offset, + FT_Long face_index, + FT_Face *aface ) + { + FT_Memory memory = library->memory; + FT_Error error; + FT_Long map_offset, rdata_pos; + FT_Long *data_offsets; + FT_Long count; + + + error = FT_Raccess_Get_HeaderInfo( library, stream, resource_offset, + &map_offset, &rdata_pos ); + if ( error ) + return error; + + /* POST resources must be sorted to concatenate properly */ + error = FT_Raccess_Get_DataOffsets( library, stream, + map_offset, rdata_pos, + TTAG_POST, TRUE, + &data_offsets, &count ); + if ( !error ) + { + error = Mac_Read_POST_Resource( library, stream, data_offsets, count, + face_index, aface ); + FT_FREE( data_offsets ); + /* POST exists in an LWFN providing a single face */ + if ( !error ) + (*aface)->num_faces = 1; + return error; + } + + /* sfnt resources should not be sorted to preserve the face order by + QuickDraw API */ + error = FT_Raccess_Get_DataOffsets( library, stream, + map_offset, rdata_pos, + TTAG_sfnt, FALSE, + &data_offsets, &count ); + if ( !error ) + { + FT_Long face_index_internal = face_index % count; + + + error = Mac_Read_sfnt_Resource( library, stream, data_offsets, count, + face_index_internal, aface ); + FT_FREE( data_offsets ); + if ( !error ) + (*aface)->num_faces = count; + } + + return error; + } + + + /* Check for a valid macbinary header, and if we find one */ + /* check that the (flattened) resource fork in it is valid. */ + /* */ + static FT_Error + IsMacBinary( FT_Library library, + FT_Stream stream, + FT_Long face_index, + FT_Face *aface ) + { + unsigned char header[128]; + FT_Error error; + FT_Long dlen, offset; + + + if ( !stream ) + return FT_THROW( Invalid_Stream_Operation ); + + error = FT_Stream_Seek( stream, 0 ); + if ( error ) + goto Exit; + + error = FT_Stream_Read( stream, (FT_Byte*)header, 128 ); + if ( error ) + goto Exit; + + if ( header[ 0] != 0 || + header[74] != 0 || + header[82] != 0 || + header[ 1] == 0 || + header[ 1] > 33 || + header[63] != 0 || + header[2 + header[1]] != 0 || + header[0x53] > 0x7F ) + return FT_THROW( Unknown_File_Format ); + + dlen = ( header[0x53] << 24 ) | + ( header[0x54] << 16 ) | + ( header[0x55] << 8 ) | + header[0x56]; +#if 0 + rlen = ( header[0x57] << 24 ) | + ( header[0x58] << 16 ) | + ( header[0x59] << 8 ) | + header[0x5A]; +#endif /* 0 */ + offset = 128 + ( ( dlen + 127 ) & ~127 ); + + return IsMacResource( library, stream, offset, face_index, aface ); + + Exit: + return error; + } + + + static FT_Error + load_face_in_embedded_rfork( FT_Library library, + FT_Stream stream, + FT_Long face_index, + FT_Face *aface, + const FT_Open_Args *args ) + { + +#undef FT_COMPONENT +#define FT_COMPONENT trace_raccess + + FT_Memory memory = library->memory; + FT_Error error = FT_ERR( Unknown_File_Format ); + FT_UInt i; + + char * file_names[FT_RACCESS_N_RULES]; + FT_Long offsets[FT_RACCESS_N_RULES]; + FT_Error errors[FT_RACCESS_N_RULES]; + FT_Bool is_darwin_vfs, vfs_rfork_has_no_font = FALSE; /* not tested */ + + FT_Open_Args args2; + FT_Stream stream2 = NULL; + + + FT_Raccess_Guess( library, stream, + args->pathname, file_names, offsets, errors ); + + for ( i = 0; i < FT_RACCESS_N_RULES; i++ ) + { + is_darwin_vfs = ft_raccess_rule_by_darwin_vfs( library, i ); + if ( is_darwin_vfs && vfs_rfork_has_no_font ) + { + FT_TRACE3(( "Skip rule %d: darwin vfs resource fork" + " is already checked and" + " no font is found\n", + i )); + continue; + } + + if ( errors[i] ) + { + FT_TRACE3(( "Error 0x%x has occurred in rule %d\n", + errors[i], i )); + continue; + } + + args2.flags = FT_OPEN_PATHNAME; + args2.pathname = file_names[i] ? file_names[i] : args->pathname; + + FT_TRACE3(( "Try rule %d: %s (offset=%d) ...", + i, args2.pathname, offsets[i] )); + + error = FT_Stream_New( library, &args2, &stream2 ); + if ( is_darwin_vfs && FT_ERR_EQ( error, Cannot_Open_Stream ) ) + vfs_rfork_has_no_font = TRUE; + + if ( error ) + { + FT_TRACE3(( "failed\n" )); + continue; + } + + error = IsMacResource( library, stream2, offsets[i], + face_index, aface ); + FT_Stream_Free( stream2, 0 ); + + FT_TRACE3(( "%s\n", error ? "failed": "successful" )); + + if ( !error ) + break; + else if ( is_darwin_vfs ) + vfs_rfork_has_no_font = TRUE; + } + + for (i = 0; i < FT_RACCESS_N_RULES; i++) + { + if ( file_names[i] ) + FT_FREE( file_names[i] ); + } + + /* Caller (load_mac_face) requires FT_Err_Unknown_File_Format. */ + if ( error ) + error = FT_ERR( Unknown_File_Format ); + + return error; + +#undef FT_COMPONENT +#define FT_COMPONENT trace_objs + + } + + + /* Check for some macintosh formats without Carbon framework. */ + /* Is this a macbinary file? If so look at the resource fork. */ + /* Is this a mac dfont file? */ + /* Is this an old style resource fork? (in data) */ + /* Else call load_face_in_embedded_rfork to try extra rules */ + /* (defined in `ftrfork.c'). */ + /* */ + static FT_Error + load_mac_face( FT_Library library, + FT_Stream stream, + FT_Long face_index, + FT_Face *aface, + const FT_Open_Args *args ) + { + FT_Error error; + FT_UNUSED( args ); + + + error = IsMacBinary( library, stream, face_index, aface ); + if ( FT_ERR_EQ( error, Unknown_File_Format ) ) + { + +#undef FT_COMPONENT +#define FT_COMPONENT trace_raccess + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE3(( "Try as dfont: " )); + if ( !( args->flags & FT_OPEN_MEMORY ) ) + FT_TRACE3(( "%s ...", args->pathname )); +#endif + + error = IsMacResource( library, stream, 0, face_index, aface ); + + FT_TRACE3(( "%s\n", error ? "failed" : "successful" )); + +#undef FT_COMPONENT +#define FT_COMPONENT trace_objs + + } + + if ( ( FT_ERR_EQ( error, Unknown_File_Format ) || + FT_ERR_EQ( error, Invalid_Stream_Operation ) ) && + ( args->flags & FT_OPEN_PATHNAME ) ) + error = load_face_in_embedded_rfork( library, stream, + face_index, aface, args ); + return error; + } +#endif + +#endif /* !FT_MACINTOSH && FT_CONFIG_OPTION_MAC_FONTS */ + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Open_Face( FT_Library library, + const FT_Open_Args* args, + FT_Long face_index, + FT_Face *aface ) + { + return ft_open_face_internal( library, args, face_index, aface, 1 ); + } + + + static FT_Error + ft_open_face_internal( FT_Library library, + const FT_Open_Args* args, + FT_Long face_index, + FT_Face *aface, + FT_Bool test_mac_fonts ) + { + FT_Error error; + FT_Driver driver = NULL; + FT_Memory memory = NULL; + FT_Stream stream = NULL; + FT_Face face = NULL; + FT_ListNode node = NULL; + FT_Bool external_stream; + FT_Module* cur; + FT_Module* limit; + +#ifndef FT_CONFIG_OPTION_MAC_FONTS + FT_UNUSED( test_mac_fonts ); +#endif + + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE3(( "FT_Open_Face: " )); + if ( face_index < 0 ) + FT_TRACE3(( "Requesting number of faces and named instances\n")); + else + { + FT_TRACE3(( "Requesting face %ld", face_index & 0xFFFFL )); + if ( face_index & 0x7FFF0000L ) + FT_TRACE3(( ", named instance %ld", face_index >> 16 )); + FT_TRACE3(( "\n" )); + } +#endif + + /* test for valid `library' delayed to `FT_Stream_New' */ + + if ( ( !aface && face_index >= 0 ) || !args ) + return FT_THROW( Invalid_Argument ); + + external_stream = FT_BOOL( ( args->flags & FT_OPEN_STREAM ) && + args->stream ); + + /* create input stream */ + error = FT_Stream_New( library, args, &stream ); + if ( error ) + goto Fail3; + + memory = library->memory; + + /* If the font driver is specified in the `args' structure, use */ + /* it. Otherwise, we scan the list of registered drivers. */ + if ( ( args->flags & FT_OPEN_DRIVER ) && args->driver ) + { + driver = FT_DRIVER( args->driver ); + + /* not all modules are drivers, so check... */ + if ( FT_MODULE_IS_DRIVER( driver ) ) + { + FT_Int num_params = 0; + FT_Parameter* params = NULL; + + + if ( args->flags & FT_OPEN_PARAMS ) + { + num_params = args->num_params; + params = args->params; + } + + error = open_face( driver, &stream, external_stream, face_index, + num_params, params, &face ); + if ( !error ) + goto Success; + } + else + error = FT_THROW( Invalid_Handle ); + + FT_Stream_Free( stream, external_stream ); + goto Fail; + } + else + { + error = FT_ERR( Missing_Module ); + + /* check each font driver for an appropriate format */ + cur = library->modules; + limit = cur + library->num_modules; + + for ( ; cur < limit; cur++ ) + { + /* not all modules are font drivers, so check... */ + if ( FT_MODULE_IS_DRIVER( cur[0] ) ) + { + FT_Int num_params = 0; + FT_Parameter* params = NULL; + + + driver = FT_DRIVER( cur[0] ); + + if ( args->flags & FT_OPEN_PARAMS ) + { + num_params = args->num_params; + params = args->params; + } + + error = open_face( driver, &stream, external_stream, face_index, + num_params, params, &face ); + if ( !error ) + goto Success; + +#ifdef FT_CONFIG_OPTION_MAC_FONTS + if ( test_mac_fonts && + ft_strcmp( cur[0]->clazz->module_name, "truetype" ) == 0 && + FT_ERR_EQ( error, Table_Missing ) ) + { + /* TrueType but essential tables are missing */ + error = FT_Stream_Seek( stream, 0 ); + if ( error ) + break; + + error = open_face_PS_from_sfnt_stream( library, + stream, + face_index, + num_params, + params, + aface ); + if ( !error ) + { + FT_Stream_Free( stream, external_stream ); + return error; + } + } +#endif + + if ( FT_ERR_NEQ( error, Unknown_File_Format ) ) + goto Fail3; + } + } + + Fail3: + /* If we are on the mac, and we get an */ + /* FT_Err_Invalid_Stream_Operation it may be because we have an */ + /* empty data fork, so we need to check the resource fork. */ + if ( FT_ERR_NEQ( error, Cannot_Open_Stream ) && + FT_ERR_NEQ( error, Unknown_File_Format ) && + FT_ERR_NEQ( error, Invalid_Stream_Operation ) ) + goto Fail2; + +#if !defined( FT_MACINTOSH ) && defined( FT_CONFIG_OPTION_MAC_FONTS ) + if ( test_mac_fonts ) + { + error = load_mac_face( library, stream, face_index, aface, args ); + if ( !error ) + { + /* We don't want to go to Success here. We've already done */ + /* that. On the other hand, if we succeeded we still need to */ + /* close this stream (we opened a different stream which */ + /* extracted the interesting information out of this stream */ + /* here. That stream will still be open and the face will */ + /* point to it). */ + FT_Stream_Free( stream, external_stream ); + return error; + } + } + + if ( FT_ERR_NEQ( error, Unknown_File_Format ) ) + goto Fail2; +#endif /* !FT_MACINTOSH && FT_CONFIG_OPTION_MAC_FONTS */ + + /* no driver is able to handle this format */ + error = FT_THROW( Unknown_File_Format ); + + Fail2: + FT_Stream_Free( stream, external_stream ); + goto Fail; + } + + Success: + FT_TRACE4(( "FT_Open_Face: New face object, adding to list\n" )); + + /* add the face object to its driver's list */ + if ( FT_NEW( node ) ) + goto Fail; + + node->data = face; + /* don't assume driver is the same as face->driver, so use */ + /* face->driver instead. */ + FT_List_Add( &face->driver->faces_list, node ); + + /* now allocate a glyph slot object for the face */ + FT_TRACE4(( "FT_Open_Face: Creating glyph slot\n" )); + + if ( face_index >= 0 ) + { + error = FT_New_GlyphSlot( face, NULL ); + if ( error ) + goto Fail; + + /* finally, allocate a size object for the face */ + { + FT_Size size; + + + FT_TRACE4(( "FT_Open_Face: Creating size object\n" )); + + error = FT_New_Size( face, &size ); + if ( error ) + goto Fail; + + face->size = size; + } + } + + /* some checks */ + + if ( FT_IS_SCALABLE( face ) ) + { + if ( face->height < 0 ) + face->height = (FT_Short)-face->height; + + if ( !FT_HAS_VERTICAL( face ) ) + face->max_advance_height = (FT_Short)face->height; + } + + if ( FT_HAS_FIXED_SIZES( face ) ) + { + FT_Int i; + + + for ( i = 0; i < face->num_fixed_sizes; i++ ) + { + FT_Bitmap_Size* bsize = face->available_sizes + i; + + + if ( bsize->height < 0 ) + bsize->height = -bsize->height; + if ( bsize->x_ppem < 0 ) + bsize->x_ppem = -bsize->x_ppem; + if ( bsize->y_ppem < 0 ) + bsize->y_ppem = -bsize->y_ppem; + + /* check whether negation actually has worked */ + if ( bsize->height < 0 || bsize->x_ppem < 0 || bsize->y_ppem < 0 ) + { + FT_TRACE0(( "FT_Open_Face:" + " Invalid bitmap dimensions for strike %d," + " now disabled\n", i )); + bsize->width = 0; + bsize->height = 0; + bsize->size = 0; + bsize->x_ppem = 0; + bsize->y_ppem = 0; + } + } + } + + /* initialize internal face data */ + { + FT_Face_Internal internal = face->internal; + + + internal->transform_matrix.xx = 0x10000L; + internal->transform_matrix.xy = 0; + internal->transform_matrix.yx = 0; + internal->transform_matrix.yy = 0x10000L; + + internal->transform_delta.x = 0; + internal->transform_delta.y = 0; + + internal->refcount = 1; + + internal->no_stem_darkening = -1; + +#ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING + /* Per-face filtering can only be set up by FT_Face_Properties */ + internal->lcd_filter_func = NULL; +#endif + } + + if ( aface ) + *aface = face; + else + FT_Done_Face( face ); + + goto Exit; + + Fail: + if ( node ) + FT_Done_Face( face ); /* face must be in the driver's list */ + else if ( face ) + destroy_face( memory, face, driver ); + + Exit: +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !error && face_index < 0 ) + { + FT_TRACE3(( "FT_Open_Face: The font has %ld face%s\n" + " and %ld named instance%s for face %ld\n", + face->num_faces, + face->num_faces == 1 ? "" : "s", + face->style_flags >> 16, + ( face->style_flags >> 16 ) == 1 ? "" : "s", + -face_index - 1 )); + } +#endif + + FT_TRACE4(( "FT_Open_Face: Return 0x%x\n", error )); + + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Attach_File( FT_Face face, + const char* filepathname ) + { + FT_Open_Args open; + + + /* test for valid `face' delayed to `FT_Attach_Stream' */ + + if ( !filepathname ) + return FT_THROW( Invalid_Argument ); + + open.stream = NULL; + open.flags = FT_OPEN_PATHNAME; + open.pathname = (char*)filepathname; + + return FT_Attach_Stream( face, &open ); + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Attach_Stream( FT_Face face, + FT_Open_Args* parameters ) + { + FT_Stream stream; + FT_Error error; + FT_Driver driver; + + FT_Driver_Class clazz; + + + /* test for valid `parameters' delayed to `FT_Stream_New' */ + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + driver = face->driver; + if ( !driver ) + return FT_THROW( Invalid_Driver_Handle ); + + error = FT_Stream_New( driver->root.library, parameters, &stream ); + if ( error ) + goto Exit; + + /* we implement FT_Attach_Stream in each driver through the */ + /* `attach_file' interface */ + + error = FT_ERR( Unimplemented_Feature ); + clazz = driver->clazz; + if ( clazz->attach_file ) + error = clazz->attach_file( face, stream ); + + /* close the attached stream */ + FT_Stream_Free( stream, + (FT_Bool)( parameters->stream && + ( parameters->flags & FT_OPEN_STREAM ) ) ); + + Exit: + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Reference_Face( FT_Face face ) + { + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + face->internal->refcount++; + + return FT_Err_Ok; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Done_Face( FT_Face face ) + { + FT_Error error; + FT_Driver driver; + FT_Memory memory; + FT_ListNode node; + + + error = FT_ERR( Invalid_Face_Handle ); + if ( face && face->driver ) + { + face->internal->refcount--; + if ( face->internal->refcount > 0 ) + error = FT_Err_Ok; + else + { + driver = face->driver; + memory = driver->root.memory; + + /* find face in driver's list */ + node = FT_List_Find( &driver->faces_list, face ); + if ( node ) + { + /* remove face object from the driver's list */ + FT_List_Remove( &driver->faces_list, node ); + FT_FREE( node ); + + /* now destroy the object proper */ + destroy_face( memory, face, driver ); + error = FT_Err_Ok; + } + } + } + + return error; + } + + + /* documentation is in ftobjs.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_New_Size( FT_Face face, + FT_Size *asize ) + { + FT_Error error; + FT_Memory memory; + FT_Driver driver; + FT_Driver_Class clazz; + + FT_Size size = NULL; + FT_ListNode node = NULL; + + FT_Size_Internal internal = NULL; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !asize ) + return FT_THROW( Invalid_Argument ); + + if ( !face->driver ) + return FT_THROW( Invalid_Driver_Handle ); + + *asize = NULL; + + driver = face->driver; + clazz = driver->clazz; + memory = face->memory; + + /* Allocate new size object and perform basic initialisation */ + if ( FT_ALLOC( size, clazz->size_object_size ) || FT_NEW( node ) ) + goto Exit; + + size->face = face; + + if ( FT_NEW( internal ) ) + goto Exit; + + size->internal = internal; + + if ( clazz->init_size ) + error = clazz->init_size( size ); + + /* in case of success, add to the face's list */ + if ( !error ) + { + *asize = size; + node->data = size; + FT_List_Add( &face->sizes_list, node ); + } + + Exit: + if ( error ) + { + FT_FREE( node ); + FT_FREE( size ); + } + + return error; + } + + + /* documentation is in ftobjs.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Done_Size( FT_Size size ) + { + FT_Error error; + FT_Driver driver; + FT_Memory memory; + FT_Face face; + FT_ListNode node; + + + if ( !size ) + return FT_THROW( Invalid_Size_Handle ); + + face = size->face; + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + driver = face->driver; + if ( !driver ) + return FT_THROW( Invalid_Driver_Handle ); + + memory = driver->root.memory; + + error = FT_Err_Ok; + node = FT_List_Find( &face->sizes_list, size ); + if ( node ) + { + FT_List_Remove( &face->sizes_list, node ); + FT_FREE( node ); + + if ( face->size == size ) + { + face->size = NULL; + if ( face->sizes_list.head ) + face->size = (FT_Size)(face->sizes_list.head->data); + } + + destroy_size( memory, size, driver ); + } + else + error = FT_THROW( Invalid_Size_Handle ); + + return error; + } + + + /* documentation is in ftobjs.h */ + + FT_BASE_DEF( FT_Error ) + FT_Match_Size( FT_Face face, + FT_Size_Request req, + FT_Bool ignore_width, + FT_ULong* size_index ) + { + FT_Int i; + FT_Long w, h; + + + if ( !FT_HAS_FIXED_SIZES( face ) ) + return FT_THROW( Invalid_Face_Handle ); + + /* FT_Bitmap_Size doesn't provide enough info... */ + if ( req->type != FT_SIZE_REQUEST_TYPE_NOMINAL ) + return FT_THROW( Unimplemented_Feature ); + + w = FT_REQUEST_WIDTH ( req ); + h = FT_REQUEST_HEIGHT( req ); + + if ( req->width && !req->height ) + h = w; + else if ( !req->width && req->height ) + w = h; + + w = FT_PIX_ROUND( w ); + h = FT_PIX_ROUND( h ); + + if ( !w || !h ) + return FT_THROW( Invalid_Pixel_Size ); + + for ( i = 0; i < face->num_fixed_sizes; i++ ) + { + FT_Bitmap_Size* bsize = face->available_sizes + i; + + + if ( h != FT_PIX_ROUND( bsize->y_ppem ) ) + continue; + + if ( w == FT_PIX_ROUND( bsize->x_ppem ) || ignore_width ) + { + FT_TRACE3(( "FT_Match_Size: bitmap strike %d matches\n", i )); + + if ( size_index ) + *size_index = (FT_ULong)i; + + return FT_Err_Ok; + } + } + + FT_TRACE3(( "FT_Match_Size: no matching bitmap strike\n" )); + + return FT_THROW( Invalid_Pixel_Size ); + } + + + /* documentation is in ftobjs.h */ + + FT_BASE_DEF( void ) + ft_synthesize_vertical_metrics( FT_Glyph_Metrics* metrics, + FT_Pos advance ) + { + FT_Pos height = metrics->height; + + + /* compensate for glyph with bbox above/below the baseline */ + if ( metrics->horiBearingY < 0 ) + { + if ( height < metrics->horiBearingY ) + height = metrics->horiBearingY; + } + else if ( metrics->horiBearingY > 0 ) + height -= metrics->horiBearingY; + + /* the factor 1.2 is a heuristical value */ + if ( !advance ) + advance = height * 12 / 10; + + metrics->vertBearingX = metrics->horiBearingX - metrics->horiAdvance / 2; + metrics->vertBearingY = ( advance - height ) / 2; + metrics->vertAdvance = advance; + } + + + static void + ft_recompute_scaled_metrics( FT_Face face, + FT_Size_Metrics* metrics ) + { + /* Compute root ascender, descender, test height, and max_advance */ + +#ifdef GRID_FIT_METRICS + metrics->ascender = FT_PIX_CEIL( FT_MulFix( face->ascender, + metrics->y_scale ) ); + + metrics->descender = FT_PIX_FLOOR( FT_MulFix( face->descender, + metrics->y_scale ) ); + + metrics->height = FT_PIX_ROUND( FT_MulFix( face->height, + metrics->y_scale ) ); + + metrics->max_advance = FT_PIX_ROUND( FT_MulFix( face->max_advance_width, + metrics->x_scale ) ); +#else /* !GRID_FIT_METRICS */ + metrics->ascender = FT_MulFix( face->ascender, + metrics->y_scale ); + + metrics->descender = FT_MulFix( face->descender, + metrics->y_scale ); + + metrics->height = FT_MulFix( face->height, + metrics->y_scale ); + + metrics->max_advance = FT_MulFix( face->max_advance_width, + metrics->x_scale ); +#endif /* !GRID_FIT_METRICS */ + } + + + FT_BASE_DEF( void ) + FT_Select_Metrics( FT_Face face, + FT_ULong strike_index ) + { + FT_Size_Metrics* metrics; + FT_Bitmap_Size* bsize; + + + metrics = &face->size->metrics; + bsize = face->available_sizes + strike_index; + + metrics->x_ppem = (FT_UShort)( ( bsize->x_ppem + 32 ) >> 6 ); + metrics->y_ppem = (FT_UShort)( ( bsize->y_ppem + 32 ) >> 6 ); + + if ( FT_IS_SCALABLE( face ) ) + { + metrics->x_scale = FT_DivFix( bsize->x_ppem, + face->units_per_EM ); + metrics->y_scale = FT_DivFix( bsize->y_ppem, + face->units_per_EM ); + + ft_recompute_scaled_metrics( face, metrics ); + } + else + { + metrics->x_scale = 1L << 16; + metrics->y_scale = 1L << 16; + metrics->ascender = bsize->y_ppem; + metrics->descender = 0; + metrics->height = bsize->height << 6; + metrics->max_advance = bsize->x_ppem; + } + } + + + FT_BASE_DEF( void ) + FT_Request_Metrics( FT_Face face, + FT_Size_Request req ) + { + FT_Size_Metrics* metrics; + + + metrics = &face->size->metrics; + + if ( FT_IS_SCALABLE( face ) ) + { + FT_Long w = 0, h = 0, scaled_w = 0, scaled_h = 0; + + + switch ( req->type ) + { + case FT_SIZE_REQUEST_TYPE_NOMINAL: + w = h = face->units_per_EM; + break; + + case FT_SIZE_REQUEST_TYPE_REAL_DIM: + w = h = face->ascender - face->descender; + break; + + case FT_SIZE_REQUEST_TYPE_BBOX: + w = face->bbox.xMax - face->bbox.xMin; + h = face->bbox.yMax - face->bbox.yMin; + break; + + case FT_SIZE_REQUEST_TYPE_CELL: + w = face->max_advance_width; + h = face->ascender - face->descender; + break; + + case FT_SIZE_REQUEST_TYPE_SCALES: + metrics->x_scale = (FT_Fixed)req->width; + metrics->y_scale = (FT_Fixed)req->height; + if ( !metrics->x_scale ) + metrics->x_scale = metrics->y_scale; + else if ( !metrics->y_scale ) + metrics->y_scale = metrics->x_scale; + goto Calculate_Ppem; + + case FT_SIZE_REQUEST_TYPE_MAX: + break; + } + + /* to be on the safe side */ + if ( w < 0 ) + w = -w; + + if ( h < 0 ) + h = -h; + + scaled_w = FT_REQUEST_WIDTH ( req ); + scaled_h = FT_REQUEST_HEIGHT( req ); + + /* determine scales */ + if ( req->width ) + { + metrics->x_scale = FT_DivFix( scaled_w, w ); + + if ( req->height ) + { + metrics->y_scale = FT_DivFix( scaled_h, h ); + + if ( req->type == FT_SIZE_REQUEST_TYPE_CELL ) + { + if ( metrics->y_scale > metrics->x_scale ) + metrics->y_scale = metrics->x_scale; + else + metrics->x_scale = metrics->y_scale; + } + } + else + { + metrics->y_scale = metrics->x_scale; + scaled_h = FT_MulDiv( scaled_w, h, w ); + } + } + else + { + metrics->x_scale = metrics->y_scale = FT_DivFix( scaled_h, h ); + scaled_w = FT_MulDiv( scaled_h, w, h ); + } + + Calculate_Ppem: + /* calculate the ppems */ + if ( req->type != FT_SIZE_REQUEST_TYPE_NOMINAL ) + { + scaled_w = FT_MulFix( face->units_per_EM, metrics->x_scale ); + scaled_h = FT_MulFix( face->units_per_EM, metrics->y_scale ); + } + + metrics->x_ppem = (FT_UShort)( ( scaled_w + 32 ) >> 6 ); + metrics->y_ppem = (FT_UShort)( ( scaled_h + 32 ) >> 6 ); + + ft_recompute_scaled_metrics( face, metrics ); + } + else + { + FT_ZERO( metrics ); + metrics->x_scale = 1L << 16; + metrics->y_scale = 1L << 16; + } + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Select_Size( FT_Face face, + FT_Int strike_index ) + { + FT_Error error = FT_Err_Ok; + FT_Driver_Class clazz; + + + if ( !face || !FT_HAS_FIXED_SIZES( face ) ) + return FT_THROW( Invalid_Face_Handle ); + + if ( strike_index < 0 || strike_index >= face->num_fixed_sizes ) + return FT_THROW( Invalid_Argument ); + + clazz = face->driver->clazz; + + if ( clazz->select_size ) + { + error = clazz->select_size( face->size, (FT_ULong)strike_index ); + + FT_TRACE5(( "FT_Select_Size (%s driver):\n", + face->driver->root.clazz->module_name )); + } + else + { + FT_Select_Metrics( face, (FT_ULong)strike_index ); + + FT_TRACE5(( "FT_Select_Size:\n" )); + } + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_Size_Metrics* metrics = &face->size->metrics; + + + FT_TRACE5(( " x scale: %d (%f)\n", + metrics->x_scale, metrics->x_scale / 65536.0 )); + FT_TRACE5(( " y scale: %d (%f)\n", + metrics->y_scale, metrics->y_scale / 65536.0 )); + FT_TRACE5(( " ascender: %f\n", metrics->ascender / 64.0 )); + FT_TRACE5(( " descender: %f\n", metrics->descender / 64.0 )); + FT_TRACE5(( " height: %f\n", metrics->height / 64.0 )); + FT_TRACE5(( " max advance: %f\n", metrics->max_advance / 64.0 )); + FT_TRACE5(( " x ppem: %d\n", metrics->x_ppem )); + FT_TRACE5(( " y ppem: %d\n", metrics->y_ppem )); + } +#endif + + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Request_Size( FT_Face face, + FT_Size_Request req ) + { + FT_Error error = FT_Err_Ok; + FT_Driver_Class clazz; + FT_ULong strike_index; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !req || req->width < 0 || req->height < 0 || + req->type >= FT_SIZE_REQUEST_TYPE_MAX ) + return FT_THROW( Invalid_Argument ); + + /* signal the auto-hinter to recompute its size metrics */ + /* (if requested) */ + face->size->internal->autohint_metrics.x_scale = 0; + + clazz = face->driver->clazz; + + if ( clazz->request_size ) + { + error = clazz->request_size( face->size, req ); + + FT_TRACE5(( "FT_Request_Size (%s driver):\n", + face->driver->root.clazz->module_name )); + } + else if ( !FT_IS_SCALABLE( face ) && FT_HAS_FIXED_SIZES( face ) ) + { + /* + * The reason that a driver doesn't have `request_size' defined is + * either that the scaling here suffices or that the supported formats + * are bitmap-only and size matching is not implemented. + * + * In the latter case, a simple size matching is done. + */ + error = FT_Match_Size( face, req, 0, &strike_index ); + if ( error ) + return error; + + return FT_Select_Size( face, (FT_Int)strike_index ); + } + else + { + FT_Request_Metrics( face, req ); + + FT_TRACE5(( "FT_Request_Size:\n" )); + } + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_Size_Metrics* metrics = &face->size->metrics; + + + FT_TRACE5(( " x scale: %d (%f)\n", + metrics->x_scale, metrics->x_scale / 65536.0 )); + FT_TRACE5(( " y scale: %d (%f)\n", + metrics->y_scale, metrics->y_scale / 65536.0 )); + FT_TRACE5(( " ascender: %f\n", metrics->ascender / 64.0 )); + FT_TRACE5(( " descender: %f\n", metrics->descender / 64.0 )); + FT_TRACE5(( " height: %f\n", metrics->height / 64.0 )); + FT_TRACE5(( " max advance: %f\n", metrics->max_advance / 64.0 )); + FT_TRACE5(( " x ppem: %d\n", metrics->x_ppem )); + FT_TRACE5(( " y ppem: %d\n", metrics->y_ppem )); + } +#endif + + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Set_Char_Size( FT_Face face, + FT_F26Dot6 char_width, + FT_F26Dot6 char_height, + FT_UInt horz_resolution, + FT_UInt vert_resolution ) + { + FT_Size_RequestRec req; + + + /* check of `face' delayed to `FT_Request_Size' */ + + if ( !char_width ) + char_width = char_height; + else if ( !char_height ) + char_height = char_width; + + if ( !horz_resolution ) + horz_resolution = vert_resolution; + else if ( !vert_resolution ) + vert_resolution = horz_resolution; + + if ( char_width < 1 * 64 ) + char_width = 1 * 64; + if ( char_height < 1 * 64 ) + char_height = 1 * 64; + + if ( !horz_resolution ) + horz_resolution = vert_resolution = 72; + + req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; + req.width = char_width; + req.height = char_height; + req.horiResolution = horz_resolution; + req.vertResolution = vert_resolution; + + return FT_Request_Size( face, &req ); + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Set_Pixel_Sizes( FT_Face face, + FT_UInt pixel_width, + FT_UInt pixel_height ) + { + FT_Size_RequestRec req; + + + /* check of `face' delayed to `FT_Request_Size' */ + + if ( pixel_width == 0 ) + pixel_width = pixel_height; + else if ( pixel_height == 0 ) + pixel_height = pixel_width; + + if ( pixel_width < 1 ) + pixel_width = 1; + if ( pixel_height < 1 ) + pixel_height = 1; + + /* use `>=' to avoid potential compiler warning on 16bit platforms */ + if ( pixel_width >= 0xFFFFU ) + pixel_width = 0xFFFFU; + if ( pixel_height >= 0xFFFFU ) + pixel_height = 0xFFFFU; + + req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; + req.width = (FT_Long)( pixel_width << 6 ); + req.height = (FT_Long)( pixel_height << 6 ); + req.horiResolution = 0; + req.vertResolution = 0; + + return FT_Request_Size( face, &req ); + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Kerning( FT_Face face, + FT_UInt left_glyph, + FT_UInt right_glyph, + FT_UInt kern_mode, + FT_Vector *akerning ) + { + FT_Error error = FT_Err_Ok; + FT_Driver driver; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !akerning ) + return FT_THROW( Invalid_Argument ); + + driver = face->driver; + + akerning->x = 0; + akerning->y = 0; + + if ( driver->clazz->get_kerning ) + { + error = driver->clazz->get_kerning( face, + left_glyph, + right_glyph, + akerning ); + if ( !error ) + { + if ( kern_mode != FT_KERNING_UNSCALED ) + { + akerning->x = FT_MulFix( akerning->x, face->size->metrics.x_scale ); + akerning->y = FT_MulFix( akerning->y, face->size->metrics.y_scale ); + + if ( kern_mode != FT_KERNING_UNFITTED ) + { + FT_Pos orig_x = akerning->x; + FT_Pos orig_y = akerning->y; + + + /* we scale down kerning values for small ppem values */ + /* to avoid that rounding makes them too big. */ + /* `25' has been determined heuristically. */ + if ( face->size->metrics.x_ppem < 25 ) + akerning->x = FT_MulDiv( orig_x, + face->size->metrics.x_ppem, 25 ); + if ( face->size->metrics.y_ppem < 25 ) + akerning->y = FT_MulDiv( orig_y, + face->size->metrics.y_ppem, 25 ); + + akerning->x = FT_PIX_ROUND( akerning->x ); + akerning->y = FT_PIX_ROUND( akerning->y ); + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_Pos orig_x_rounded = FT_PIX_ROUND( orig_x ); + FT_Pos orig_y_rounded = FT_PIX_ROUND( orig_y ); + + + if ( akerning->x != orig_x_rounded || + akerning->y != orig_y_rounded ) + FT_TRACE5(( "FT_Get_Kerning: horizontal kerning" + " (%d, %d) scaled down to (%d, %d) pixels\n", + orig_x_rounded / 64, orig_y_rounded / 64, + akerning->x / 64, akerning->y / 64 )); + } +#endif + } + } + } + } + + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Track_Kerning( FT_Face face, + FT_Fixed point_size, + FT_Int degree, + FT_Fixed* akerning ) + { + FT_Service_Kerning service; + FT_Error error = FT_Err_Ok; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !akerning ) + return FT_THROW( Invalid_Argument ); + + FT_FACE_FIND_SERVICE( face, service, KERNING ); + if ( !service ) + return FT_THROW( Unimplemented_Feature ); + + error = service->get_track( face, + point_size, + degree, + akerning ); + + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Select_Charmap( FT_Face face, + FT_Encoding encoding ) + { + FT_CharMap* cur; + FT_CharMap* limit; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( encoding == FT_ENCODING_NONE ) + return FT_THROW( Invalid_Argument ); + + /* FT_ENCODING_UNICODE is special. We try to find the `best' Unicode */ + /* charmap available, i.e., one with UCS-4 characters, if possible. */ + /* */ + /* This is done by find_unicode_charmap() above, to share code. */ + if ( encoding == FT_ENCODING_UNICODE ) + return find_unicode_charmap( face ); + + cur = face->charmaps; + if ( !cur ) + return FT_THROW( Invalid_CharMap_Handle ); + + limit = cur + face->num_charmaps; + + for ( ; cur < limit; cur++ ) + { + if ( cur[0]->encoding == encoding ) + { + face->charmap = cur[0]; + return 0; + } + } + + return FT_THROW( Invalid_Argument ); + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Set_Charmap( FT_Face face, + FT_CharMap charmap ) + { + FT_CharMap* cur; + FT_CharMap* limit; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + cur = face->charmaps; + if ( !cur || !charmap ) + return FT_THROW( Invalid_CharMap_Handle ); + + if ( FT_Get_CMap_Format( charmap ) == 14 ) + return FT_THROW( Invalid_Argument ); + + limit = cur + face->num_charmaps; + + for ( ; cur < limit; cur++ ) + { + if ( cur[0] == charmap ) + { + face->charmap = cur[0]; + return FT_Err_Ok; + } + } + + return FT_THROW( Invalid_Argument ); + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Int ) + FT_Get_Charmap_Index( FT_CharMap charmap ) + { + FT_Int i; + + + if ( !charmap || !charmap->face ) + return -1; + + for ( i = 0; i < charmap->face->num_charmaps; i++ ) + if ( charmap->face->charmaps[i] == charmap ) + break; + + FT_ASSERT( i < charmap->face->num_charmaps ); + + return i; + } + + + static void + ft_cmap_done_internal( FT_CMap cmap ) + { + FT_CMap_Class clazz = cmap->clazz; + FT_Face face = cmap->charmap.face; + FT_Memory memory = FT_FACE_MEMORY( face ); + + + if ( clazz->done ) + clazz->done( cmap ); + + FT_FREE( cmap ); + } + + + FT_BASE_DEF( void ) + FT_CMap_Done( FT_CMap cmap ) + { + if ( cmap ) + { + FT_Face face = cmap->charmap.face; + FT_Memory memory = FT_FACE_MEMORY( face ); + FT_Error error; + FT_Int i, j; + + + for ( i = 0; i < face->num_charmaps; i++ ) + { + if ( (FT_CMap)face->charmaps[i] == cmap ) + { + FT_CharMap last_charmap = face->charmaps[face->num_charmaps - 1]; + + + if ( FT_RENEW_ARRAY( face->charmaps, + face->num_charmaps, + face->num_charmaps - 1 ) ) + return; + + /* remove it from our list of charmaps */ + for ( j = i + 1; j < face->num_charmaps; j++ ) + { + if ( j == face->num_charmaps - 1 ) + face->charmaps[j - 1] = last_charmap; + else + face->charmaps[j - 1] = face->charmaps[j]; + } + + face->num_charmaps--; + + if ( (FT_CMap)face->charmap == cmap ) + face->charmap = NULL; + + ft_cmap_done_internal( cmap ); + + break; + } + } + } + } + + + FT_BASE_DEF( FT_Error ) + FT_CMap_New( FT_CMap_Class clazz, + FT_Pointer init_data, + FT_CharMap charmap, + FT_CMap *acmap ) + { + FT_Error error = FT_Err_Ok; + FT_Face face; + FT_Memory memory; + FT_CMap cmap = NULL; + + + if ( !clazz || !charmap || !charmap->face ) + return FT_THROW( Invalid_Argument ); + + face = charmap->face; + memory = FT_FACE_MEMORY( face ); + + if ( !FT_ALLOC( cmap, clazz->size ) ) + { + cmap->charmap = *charmap; + cmap->clazz = clazz; + + if ( clazz->init ) + { + error = clazz->init( cmap, init_data ); + if ( error ) + goto Fail; + } + + /* add it to our list of charmaps */ + if ( FT_RENEW_ARRAY( face->charmaps, + face->num_charmaps, + face->num_charmaps + 1 ) ) + goto Fail; + + face->charmaps[face->num_charmaps++] = (FT_CharMap)cmap; + } + + Exit: + if ( acmap ) + *acmap = cmap; + + return error; + + Fail: + ft_cmap_done_internal( cmap ); + cmap = NULL; + goto Exit; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_UInt ) + FT_Get_Char_Index( FT_Face face, + FT_ULong charcode ) + { + FT_UInt result = 0; + + + if ( face && face->charmap ) + { + FT_CMap cmap = FT_CMAP( face->charmap ); + + + if ( charcode > 0xFFFFFFFFUL ) + { + FT_TRACE1(( "FT_Get_Char_Index: too large charcode" )); + FT_TRACE1(( " 0x%x is truncated\n", charcode )); + } + + result = cmap->clazz->char_index( cmap, (FT_UInt32)charcode ); + if ( result >= (FT_UInt)face->num_glyphs ) + result = 0; + } + + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_ULong ) + FT_Get_First_Char( FT_Face face, + FT_UInt *agindex ) + { + FT_ULong result = 0; + FT_UInt gindex = 0; + + + /* only do something if we have a charmap, and we have glyphs at all */ + if ( face && face->charmap && face->num_glyphs ) + { + gindex = FT_Get_Char_Index( face, 0 ); + if ( gindex == 0 ) + result = FT_Get_Next_Char( face, 0, &gindex ); + } + + if ( agindex ) + *agindex = gindex; + + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_ULong ) + FT_Get_Next_Char( FT_Face face, + FT_ULong charcode, + FT_UInt *agindex ) + { + FT_ULong result = 0; + FT_UInt gindex = 0; + + + if ( face && face->charmap && face->num_glyphs ) + { + FT_UInt32 code = (FT_UInt32)charcode; + FT_CMap cmap = FT_CMAP( face->charmap ); + + + do + { + gindex = cmap->clazz->char_next( cmap, &code ); + + } while ( gindex >= (FT_UInt)face->num_glyphs ); + + result = ( gindex == 0 ) ? 0 : code; + } + + if ( agindex ) + *agindex = gindex; + + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Face_Properties( FT_Face face, + FT_UInt num_properties, + FT_Parameter* properties ) + { + FT_Error error = FT_Err_Ok; + + + if ( num_properties > 0 && !properties ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + for ( ; num_properties > 0; num_properties-- ) + { + if ( properties->tag == FT_PARAM_TAG_STEM_DARKENING ) + { + if ( properties->data ) + { + if ( *( (FT_Bool*)properties->data ) == TRUE ) + face->internal->no_stem_darkening = FALSE; + else + face->internal->no_stem_darkening = TRUE; + } + else + { + /* use module default */ + face->internal->no_stem_darkening = -1; + } + } + else if ( properties->tag == FT_PARAM_TAG_LCD_FILTER_WEIGHTS ) + { +#ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING + if ( properties->data ) + { + ft_memcpy( face->internal->lcd_weights, + properties->data, + FT_LCD_FILTER_FIVE_TAPS ); + face->internal->lcd_filter_func = ft_lcd_filter_fir; + } +#else + error = FT_THROW( Unimplemented_Feature ); + goto Exit; +#endif + } + else if ( properties->tag == FT_PARAM_TAG_RANDOM_SEED ) + { + if ( properties->data ) + { + face->internal->random_seed = *( (FT_Int32*)properties->data ); + if ( face->internal->random_seed < 0 ) + face->internal->random_seed = 0; + } + else + { + /* use module default */ + face->internal->random_seed = -1; + } + } + else + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + if ( error ) + break; + + properties++; + } + + Exit: + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_UInt ) + FT_Face_GetCharVariantIndex( FT_Face face, + FT_ULong charcode, + FT_ULong variantSelector ) + { + FT_UInt result = 0; + + + if ( face && + face->charmap && + face->charmap->encoding == FT_ENCODING_UNICODE ) + { + FT_CharMap charmap = find_variant_selector_charmap( face ); + FT_CMap ucmap = FT_CMAP( face->charmap ); + + + if ( charmap ) + { + FT_CMap vcmap = FT_CMAP( charmap ); + + + if ( charcode > 0xFFFFFFFFUL ) + { + FT_TRACE1(( "FT_Face_GetCharVariantIndex:" + " too large charcode" )); + FT_TRACE1(( " 0x%x is truncated\n", charcode )); + } + if ( variantSelector > 0xFFFFFFFFUL ) + { + FT_TRACE1(( "FT_Face_GetCharVariantIndex:" + " too large variantSelector" )); + FT_TRACE1(( " 0x%x is truncated\n", variantSelector )); + } + + result = vcmap->clazz->char_var_index( vcmap, ucmap, + (FT_UInt32)charcode, + (FT_UInt32)variantSelector ); + } + } + + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Int ) + FT_Face_GetCharVariantIsDefault( FT_Face face, + FT_ULong charcode, + FT_ULong variantSelector ) + { + FT_Int result = -1; + + + if ( face ) + { + FT_CharMap charmap = find_variant_selector_charmap( face ); + + + if ( charmap ) + { + FT_CMap vcmap = FT_CMAP( charmap ); + + + if ( charcode > 0xFFFFFFFFUL ) + { + FT_TRACE1(( "FT_Face_GetCharVariantIsDefault:" + " too large charcode" )); + FT_TRACE1(( " 0x%x is truncated\n", charcode )); + } + if ( variantSelector > 0xFFFFFFFFUL ) + { + FT_TRACE1(( "FT_Face_GetCharVariantIsDefault:" + " too large variantSelector" )); + FT_TRACE1(( " 0x%x is truncated\n", variantSelector )); + } + + result = vcmap->clazz->char_var_default( vcmap, + (FT_UInt32)charcode, + (FT_UInt32)variantSelector ); + } + } + + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_UInt32* ) + FT_Face_GetVariantSelectors( FT_Face face ) + { + FT_UInt32 *result = NULL; + + + if ( face ) + { + FT_CharMap charmap = find_variant_selector_charmap( face ); + + + if ( charmap ) + { + FT_CMap vcmap = FT_CMAP( charmap ); + FT_Memory memory = FT_FACE_MEMORY( face ); + + + result = vcmap->clazz->variant_list( vcmap, memory ); + } + } + + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_UInt32* ) + FT_Face_GetVariantsOfChar( FT_Face face, + FT_ULong charcode ) + { + FT_UInt32 *result = NULL; + + + if ( face ) + { + FT_CharMap charmap = find_variant_selector_charmap( face ); + + + if ( charmap ) + { + FT_CMap vcmap = FT_CMAP( charmap ); + FT_Memory memory = FT_FACE_MEMORY( face ); + + + if ( charcode > 0xFFFFFFFFUL ) + { + FT_TRACE1(( "FT_Face_GetVariantsOfChar: too large charcode" )); + FT_TRACE1(( " 0x%x is truncated\n", charcode )); + } + + result = vcmap->clazz->charvariant_list( vcmap, memory, + (FT_UInt32)charcode ); + } + } + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_UInt32* ) + FT_Face_GetCharsOfVariant( FT_Face face, + FT_ULong variantSelector ) + { + FT_UInt32 *result = NULL; + + + if ( face ) + { + FT_CharMap charmap = find_variant_selector_charmap( face ); + + + if ( charmap ) + { + FT_CMap vcmap = FT_CMAP( charmap ); + FT_Memory memory = FT_FACE_MEMORY( face ); + + + if ( variantSelector > 0xFFFFFFFFUL ) + { + FT_TRACE1(( "FT_Get_Char_Index: too large variantSelector" )); + FT_TRACE1(( " 0x%x is truncated\n", variantSelector )); + } + + result = vcmap->clazz->variantchar_list( vcmap, memory, + (FT_UInt32)variantSelector ); + } + } + + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_UInt ) + FT_Get_Name_Index( FT_Face face, + FT_String* glyph_name ) + { + FT_UInt result = 0; + + + if ( face && + FT_HAS_GLYPH_NAMES( face ) && + glyph_name ) + { + FT_Service_GlyphDict service; + + + FT_FACE_LOOKUP_SERVICE( face, + service, + GLYPH_DICT ); + + if ( service && service->name_index ) + result = service->name_index( face, glyph_name ); + } + + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Glyph_Name( FT_Face face, + FT_UInt glyph_index, + FT_Pointer buffer, + FT_UInt buffer_max ) + { + FT_Error error; + FT_Service_GlyphDict service; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !buffer || buffer_max == 0 ) + return FT_THROW( Invalid_Argument ); + + /* clean up buffer */ + ((FT_Byte*)buffer)[0] = '\0'; + + if ( (FT_Long)glyph_index >= face->num_glyphs ) + return FT_THROW( Invalid_Glyph_Index ); + + if ( !FT_HAS_GLYPH_NAMES( face ) ) + return FT_THROW( Invalid_Argument ); + + FT_FACE_LOOKUP_SERVICE( face, service, GLYPH_DICT ); + if ( service && service->get_name ) + error = service->get_name( face, glyph_index, buffer, buffer_max ); + else + error = FT_THROW( Invalid_Argument ); + + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( const char* ) + FT_Get_Postscript_Name( FT_Face face ) + { + const char* result = NULL; + + + if ( !face ) + goto Exit; + + if ( !result ) + { + FT_Service_PsFontName service; + + + FT_FACE_LOOKUP_SERVICE( face, + service, + POSTSCRIPT_FONT_NAME ); + + if ( service && service->get_ps_font_name ) + result = service->get_ps_font_name( face ); + } + + Exit: + return result; + } + + + /* documentation is in tttables.h */ + + FT_EXPORT_DEF( void* ) + FT_Get_Sfnt_Table( FT_Face face, + FT_Sfnt_Tag tag ) + { + void* table = NULL; + FT_Service_SFNT_Table service; + + + if ( face && FT_IS_SFNT( face ) ) + { + FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); + if ( service ) + table = service->get_table( face, tag ); + } + + return table; + } + + + /* documentation is in tttables.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Load_Sfnt_Table( FT_Face face, + FT_ULong tag, + FT_Long offset, + FT_Byte* buffer, + FT_ULong* length ) + { + FT_Service_SFNT_Table service; + + + if ( !face || !FT_IS_SFNT( face ) ) + return FT_THROW( Invalid_Face_Handle ); + + FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); + if ( !service ) + return FT_THROW( Unimplemented_Feature ); + + return service->load_table( face, tag, offset, buffer, length ); + } + + + /* documentation is in tttables.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Sfnt_Table_Info( FT_Face face, + FT_UInt table_index, + FT_ULong *tag, + FT_ULong *length ) + { + FT_Service_SFNT_Table service; + FT_ULong offset; + + + /* test for valid `length' delayed to `service->table_info' */ + + if ( !face || !FT_IS_SFNT( face ) ) + return FT_THROW( Invalid_Face_Handle ); + + FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); + if ( !service ) + return FT_THROW( Unimplemented_Feature ); + + return service->table_info( face, table_index, tag, &offset, length ); + } + + + /* documentation is in tttables.h */ + + FT_EXPORT_DEF( FT_ULong ) + FT_Get_CMap_Language_ID( FT_CharMap charmap ) + { + FT_Service_TTCMaps service; + FT_Face face; + TT_CMapInfo cmap_info; + + + if ( !charmap || !charmap->face ) + return 0; + + face = charmap->face; + FT_FACE_FIND_SERVICE( face, service, TT_CMAP ); + if ( !service ) + return 0; + if ( service->get_cmap_info( charmap, &cmap_info )) + return 0; + + return cmap_info.language; + } + + + /* documentation is in tttables.h */ + + FT_EXPORT_DEF( FT_Long ) + FT_Get_CMap_Format( FT_CharMap charmap ) + { + FT_Service_TTCMaps service; + FT_Face face; + TT_CMapInfo cmap_info; + + + if ( !charmap || !charmap->face ) + return -1; + + face = charmap->face; + FT_FACE_FIND_SERVICE( face, service, TT_CMAP ); + if ( !service ) + return -1; + if ( service->get_cmap_info( charmap, &cmap_info )) + return -1; + + return cmap_info.format; + } + + + /* documentation is in ftsizes.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Activate_Size( FT_Size size ) + { + FT_Face face; + + + if ( !size ) + return FT_THROW( Invalid_Size_Handle ); + + face = size->face; + if ( !face || !face->driver ) + return FT_THROW( Invalid_Face_Handle ); + + /* we don't need anything more complex than that; all size objects */ + /* are already listed by the face */ + face->size = size; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** R E N D E R E R S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + /* lookup a renderer by glyph format in the library's list */ + FT_BASE_DEF( FT_Renderer ) + FT_Lookup_Renderer( FT_Library library, + FT_Glyph_Format format, + FT_ListNode* node ) + { + FT_ListNode cur; + FT_Renderer result = NULL; + + + if ( !library ) + goto Exit; + + cur = library->renderers.head; + + if ( node ) + { + if ( *node ) + cur = (*node)->next; + *node = NULL; + } + + while ( cur ) + { + FT_Renderer renderer = FT_RENDERER( cur->data ); + + + if ( renderer->glyph_format == format ) + { + if ( node ) + *node = cur; + + result = renderer; + break; + } + cur = cur->next; + } + + Exit: + return result; + } + + + static FT_Renderer + ft_lookup_glyph_renderer( FT_GlyphSlot slot ) + { + FT_Face face = slot->face; + FT_Library library = FT_FACE_LIBRARY( face ); + FT_Renderer result = library->cur_renderer; + + + if ( !result || result->glyph_format != slot->format ) + result = FT_Lookup_Renderer( library, slot->format, 0 ); + + return result; + } + + + static void + ft_set_current_renderer( FT_Library library ) + { + FT_Renderer renderer; + + + renderer = FT_Lookup_Renderer( library, FT_GLYPH_FORMAT_OUTLINE, 0 ); + library->cur_renderer = renderer; + } + + + static FT_Error + ft_add_renderer( FT_Module module ) + { + FT_Library library = module->library; + FT_Memory memory = library->memory; + FT_Error error; + FT_ListNode node = NULL; + + + if ( FT_NEW( node ) ) + goto Exit; + + { + FT_Renderer render = FT_RENDERER( module ); + FT_Renderer_Class* clazz = (FT_Renderer_Class*)module->clazz; + + + render->clazz = clazz; + render->glyph_format = clazz->glyph_format; + + /* allocate raster object if needed */ + if ( clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE && + clazz->raster_class->raster_new ) + { + error = clazz->raster_class->raster_new( memory, &render->raster ); + if ( error ) + goto Fail; + + render->raster_render = clazz->raster_class->raster_render; + render->render = clazz->render_glyph; + } + + /* add to list */ + node->data = module; + FT_List_Add( &library->renderers, node ); + + ft_set_current_renderer( library ); + } + + Fail: + if ( error ) + FT_FREE( node ); + + Exit: + return error; + } + + + static void + ft_remove_renderer( FT_Module module ) + { + FT_Library library; + FT_Memory memory; + FT_ListNode node; + + + library = module->library; + if ( !library ) + return; + + memory = library->memory; + + node = FT_List_Find( &library->renderers, module ); + if ( node ) + { + FT_Renderer render = FT_RENDERER( module ); + + + /* release raster object, if any */ + if ( render->clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE && + render->raster ) + render->clazz->raster_class->raster_done( render->raster ); + + /* remove from list */ + FT_List_Remove( &library->renderers, node ); + FT_FREE( node ); + + ft_set_current_renderer( library ); + } + } + + + /* documentation is in ftrender.h */ + + FT_EXPORT_DEF( FT_Renderer ) + FT_Get_Renderer( FT_Library library, + FT_Glyph_Format format ) + { + /* test for valid `library' delayed to `FT_Lookup_Renderer' */ + + return FT_Lookup_Renderer( library, format, 0 ); + } + + + /* documentation is in ftrender.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Set_Renderer( FT_Library library, + FT_Renderer renderer, + FT_UInt num_params, + FT_Parameter* parameters ) + { + FT_ListNode node; + FT_Error error = FT_Err_Ok; + + FT_Renderer_SetModeFunc set_mode; + + + if ( !library ) + { + error = FT_THROW( Invalid_Library_Handle ); + goto Exit; + } + + if ( !renderer ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + if ( num_params > 0 && !parameters ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + node = FT_List_Find( &library->renderers, renderer ); + if ( !node ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + FT_List_Up( &library->renderers, node ); + + if ( renderer->glyph_format == FT_GLYPH_FORMAT_OUTLINE ) + library->cur_renderer = renderer; + + set_mode = renderer->clazz->set_mode; + + for ( ; num_params > 0; num_params-- ) + { + error = set_mode( renderer, parameters->tag, parameters->data ); + if ( error ) + break; + parameters++; + } + + Exit: + return error; + } + + + FT_BASE_DEF( FT_Error ) + FT_Render_Glyph_Internal( FT_Library library, + FT_GlyphSlot slot, + FT_Render_Mode render_mode ) + { + FT_Error error = FT_Err_Ok; + FT_Renderer renderer; + + + /* if it is already a bitmap, no need to do anything */ + switch ( slot->format ) + { + case FT_GLYPH_FORMAT_BITMAP: /* already a bitmap, don't do anything */ + break; + + default: + { + FT_ListNode node = NULL; + + + /* small shortcut for the very common case */ + if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) + { + renderer = library->cur_renderer; + node = library->renderers.head; + } + else + renderer = FT_Lookup_Renderer( library, slot->format, &node ); + + error = FT_ERR( Unimplemented_Feature ); + while ( renderer ) + { + error = renderer->render( renderer, slot, render_mode, NULL ); + if ( !error || + FT_ERR_NEQ( error, Cannot_Render_Glyph ) ) + break; + + /* FT_Err_Cannot_Render_Glyph is returned if the render mode */ + /* is unsupported by the current renderer for this glyph image */ + /* format. */ + + /* now, look for another renderer that supports the same */ + /* format. */ + renderer = FT_Lookup_Renderer( library, slot->format, &node ); + } + } + } + +#ifdef FT_DEBUG_LEVEL_TRACE + +#undef FT_COMPONENT +#define FT_COMPONENT trace_bitmap + + /* + * Computing the MD5 checksum is expensive, unnecessarily distorting a + * possible profiling of FreeType if compiled with tracing support. For + * this reason, we execute the following code only if explicitly + * requested. + */ + + /* we use FT_TRACE3 in this block */ + if ( !error && + ft_trace_levels[trace_bitmap] >= 3 && + slot->bitmap.buffer ) + { + FT_Bitmap bitmap; + FT_Error err; + + + FT_Bitmap_Init( &bitmap ); + + /* we convert to a single bitmap format for computing the checksum */ + /* this also converts the bitmap flow to `down' (i.e., pitch > 0) */ + err = FT_Bitmap_Convert( library, &slot->bitmap, &bitmap, 1 ); + if ( !err ) + { + MD5_CTX ctx; + unsigned char md5[16]; + unsigned long coverage = 0; + int i, j; + int rows = (int)bitmap.rows; + int pitch = bitmap.pitch; + + + FT_TRACE3(( "FT_Render_Glyph: bitmap %dx%d, mode %d\n", + rows, pitch, slot->bitmap.pixel_mode )); + + for ( i = 0; i < rows; i++ ) + for ( j = 0; j < pitch; j++ ) + coverage += bitmap.buffer[i * pitch + j]; + + FT_TRACE3(( " Total coverage: %lu\n", coverage )); + + MD5_Init( &ctx ); + if ( bitmap.buffer ) + MD5_Update( &ctx, bitmap.buffer, + (unsigned long)rows * (unsigned long)pitch ); + MD5_Final( md5, &ctx ); + + FT_TRACE3(( " MD5 checksum: " )); + for ( i = 0; i < 16; i++ ) + FT_TRACE3(( "%02X", md5[i] )); + FT_TRACE3(( "\n" )); + } + + FT_Bitmap_Done( library, &bitmap ); + } + + /* + * Dump bitmap in Netpbm format (PBM or PGM). + */ + + /* we use FT_TRACE7 in this block */ + if ( !error && + ft_trace_levels[trace_bitmap] >= 7 && + slot->bitmap.rows < 128U && + slot->bitmap.width < 128U && + slot->bitmap.buffer ) + { + int rows = (int)slot->bitmap.rows; + int width = (int)slot->bitmap.width; + int pitch = slot->bitmap.pitch; + int i, j, m; + unsigned char* topleft = slot->bitmap.buffer; + + if ( pitch < 0 ) + topleft -= pitch * ( rows - 1 ); + + FT_TRACE7(( "Netpbm image: start\n" )); + switch ( slot->bitmap.pixel_mode ) + { + case FT_PIXEL_MODE_MONO: + FT_TRACE7(( "P1 %d %d\n", width, rows )); + for ( i = 0; i < rows; i++ ) + { + for ( j = 0; j < width; ) + for ( m = 128; m > 0 && j < width; m >>= 1, j++ ) + FT_TRACE7(( " %d", ( topleft[i * pitch + j / 8] & m ) != 0 )); + FT_TRACE7(( "\n" )); + } + break; + + default: + FT_TRACE7(( "P2 %d %d 255\n", width, rows )); + for ( i = 0; i < rows; i++ ) + { + for ( j = 0; j < width; j += 1 ) + FT_TRACE7(( " %3u", topleft[i * pitch + j] )); + FT_TRACE7(( "\n" )); + } + } + FT_TRACE7(( "Netpbm image: end\n" )); + } + +#undef FT_COMPONENT +#define FT_COMPONENT trace_objs + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + return error; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Render_Glyph( FT_GlyphSlot slot, + FT_Render_Mode render_mode ) + { + FT_Library library; + + + if ( !slot || !slot->face ) + return FT_THROW( Invalid_Argument ); + + library = FT_FACE_LIBRARY( slot->face ); + + return FT_Render_Glyph_Internal( library, slot, render_mode ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** M O D U L E S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Destroy_Module */ + /* */ + /* <Description> */ + /* Destroys a given module object. For drivers, this also destroys */ + /* all child faces. */ + /* */ + /* <InOut> */ + /* module :: A handle to the target driver object. */ + /* */ + /* <Note> */ + /* The driver _must_ be LOCKED! */ + /* */ + static void + Destroy_Module( FT_Module module ) + { + FT_Memory memory = module->memory; + FT_Module_Class* clazz = module->clazz; + FT_Library library = module->library; + + + if ( library && library->auto_hinter == module ) + library->auto_hinter = NULL; + + /* if the module is a renderer */ + if ( FT_MODULE_IS_RENDERER( module ) ) + ft_remove_renderer( module ); + + /* if the module is a font driver, add some steps */ + if ( FT_MODULE_IS_DRIVER( module ) ) + Destroy_Driver( FT_DRIVER( module ) ); + + /* finalize the module object */ + if ( clazz->module_done ) + clazz->module_done( module ); + + /* discard it */ + FT_FREE( module ); + } + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Add_Module( FT_Library library, + const FT_Module_Class* clazz ) + { + FT_Error error; + FT_Memory memory; + FT_Module module = NULL; + FT_UInt nn; + + +#define FREETYPE_VER_FIXED ( ( (FT_Long)FREETYPE_MAJOR << 16 ) | \ + FREETYPE_MINOR ) + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !clazz ) + return FT_THROW( Invalid_Argument ); + + /* check FreeType version */ + if ( clazz->module_requires > FREETYPE_VER_FIXED ) + return FT_THROW( Invalid_Version ); + + /* look for a module with the same name in the library's table */ + for ( nn = 0; nn < library->num_modules; nn++ ) + { + module = library->modules[nn]; + if ( ft_strcmp( module->clazz->module_name, clazz->module_name ) == 0 ) + { + /* this installed module has the same name, compare their versions */ + if ( clazz->module_version <= module->clazz->module_version ) + return FT_THROW( Lower_Module_Version ); + + /* remove the module from our list, then exit the loop to replace */ + /* it by our new version.. */ + FT_Remove_Module( library, module ); + break; + } + } + + memory = library->memory; + error = FT_Err_Ok; + + if ( library->num_modules >= FT_MAX_MODULES ) + { + error = FT_THROW( Too_Many_Drivers ); + goto Exit; + } + + /* allocate module object */ + if ( FT_ALLOC( module, clazz->module_size ) ) + goto Exit; + + /* base initialization */ + module->library = library; + module->memory = memory; + module->clazz = (FT_Module_Class*)clazz; + + /* check whether the module is a renderer - this must be performed */ + /* before the normal module initialization */ + if ( FT_MODULE_IS_RENDERER( module ) ) + { + /* add to the renderers list */ + error = ft_add_renderer( module ); + if ( error ) + goto Fail; + } + + /* is the module a auto-hinter? */ + if ( FT_MODULE_IS_HINTER( module ) ) + library->auto_hinter = module; + + /* if the module is a font driver */ + if ( FT_MODULE_IS_DRIVER( module ) ) + { + FT_Driver driver = FT_DRIVER( module ); + + + driver->clazz = (FT_Driver_Class)module->clazz; + } + + if ( clazz->module_init ) + { + error = clazz->module_init( module ); + if ( error ) + goto Fail; + } + + /* add module to the library's table */ + library->modules[library->num_modules++] = module; + + Exit: + return error; + + Fail: + if ( FT_MODULE_IS_RENDERER( module ) ) + { + FT_Renderer renderer = FT_RENDERER( module ); + + + if ( renderer->clazz && + renderer->clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE && + renderer->raster ) + renderer->clazz->raster_class->raster_done( renderer->raster ); + } + + FT_FREE( module ); + goto Exit; + } + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( FT_Module ) + FT_Get_Module( FT_Library library, + const char* module_name ) + { + FT_Module result = NULL; + FT_Module* cur; + FT_Module* limit; + + + if ( !library || !module_name ) + return result; + + cur = library->modules; + limit = cur + library->num_modules; + + for ( ; cur < limit; cur++ ) + if ( ft_strcmp( cur[0]->clazz->module_name, module_name ) == 0 ) + { + result = cur[0]; + break; + } + + return result; + } + + + /* documentation is in ftobjs.h */ + + FT_BASE_DEF( const void* ) + FT_Get_Module_Interface( FT_Library library, + const char* mod_name ) + { + FT_Module module; + + + /* test for valid `library' delayed to FT_Get_Module() */ + + module = FT_Get_Module( library, mod_name ); + + return module ? module->clazz->module_interface : 0; + } + + + FT_BASE_DEF( FT_Pointer ) + ft_module_get_service( FT_Module module, + const char* service_id, + FT_Bool global ) + { + FT_Pointer result = NULL; + + + if ( module ) + { + FT_ASSERT( module->clazz && module->clazz->get_interface ); + + /* first, look for the service in the module */ + if ( module->clazz->get_interface ) + result = module->clazz->get_interface( module, service_id ); + + if ( global && !result ) + { + /* we didn't find it, look in all other modules then */ + FT_Library library = module->library; + FT_Module* cur = library->modules; + FT_Module* limit = cur + library->num_modules; + + + for ( ; cur < limit; cur++ ) + { + if ( cur[0] != module ) + { + FT_ASSERT( cur[0]->clazz ); + + if ( cur[0]->clazz->get_interface ) + { + result = cur[0]->clazz->get_interface( cur[0], service_id ); + if ( result ) + break; + } + } + } + } + } + + return result; + } + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Remove_Module( FT_Library library, + FT_Module module ) + { + /* try to find the module from the table, then remove it from there */ + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( module ) + { + FT_Module* cur = library->modules; + FT_Module* limit = cur + library->num_modules; + + + for ( ; cur < limit; cur++ ) + { + if ( cur[0] == module ) + { + /* remove it from the table */ + library->num_modules--; + limit--; + while ( cur < limit ) + { + cur[0] = cur[1]; + cur++; + } + limit[0] = NULL; + + /* destroy the module */ + Destroy_Module( module ); + + return FT_Err_Ok; + } + } + } + return FT_THROW( Invalid_Driver_Handle ); + } + + + static FT_Error + ft_property_do( FT_Library library, + const FT_String* module_name, + const FT_String* property_name, + void* value, + FT_Bool set, + FT_Bool value_is_string ) + { + FT_Module* cur; + FT_Module* limit; + FT_Module_Interface interface; + + FT_Service_Properties service; + +#ifdef FT_DEBUG_LEVEL_ERROR + const FT_String* set_name = "FT_Property_Set"; + const FT_String* get_name = "FT_Property_Get"; + const FT_String* func_name = set ? set_name : get_name; +#endif + + FT_Bool missing_func; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !module_name || !property_name || !value ) + return FT_THROW( Invalid_Argument ); + + cur = library->modules; + limit = cur + library->num_modules; + + /* search module */ + for ( ; cur < limit; cur++ ) + if ( !ft_strcmp( cur[0]->clazz->module_name, module_name ) ) + break; + + if ( cur == limit ) + { + FT_ERROR(( "%s: can't find module `%s'\n", + func_name, module_name )); + return FT_THROW( Missing_Module ); + } + + /* check whether we have a service interface */ + if ( !cur[0]->clazz->get_interface ) + { + FT_ERROR(( "%s: module `%s' doesn't support properties\n", + func_name, module_name )); + return FT_THROW( Unimplemented_Feature ); + } + + /* search property service */ + interface = cur[0]->clazz->get_interface( cur[0], + FT_SERVICE_ID_PROPERTIES ); + if ( !interface ) + { + FT_ERROR(( "%s: module `%s' doesn't support properties\n", + func_name, module_name )); + return FT_THROW( Unimplemented_Feature ); + } + + service = (FT_Service_Properties)interface; + + if ( set ) + missing_func = (FT_Bool)( !service->set_property ); + else + missing_func = (FT_Bool)( !service->get_property ); + + if ( missing_func ) + { + FT_ERROR(( "%s: property service of module `%s' is broken\n", + func_name, module_name )); + return FT_THROW( Unimplemented_Feature ); + } + + return set ? service->set_property( cur[0], + property_name, + value, + value_is_string ) + : service->get_property( cur[0], + property_name, + value ); + } + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Property_Set( FT_Library library, + const FT_String* module_name, + const FT_String* property_name, + const void* value ) + { + return ft_property_do( library, + module_name, + property_name, + (void*)value, + TRUE, + FALSE ); + } + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Property_Get( FT_Library library, + const FT_String* module_name, + const FT_String* property_name, + void* value ) + { + return ft_property_do( library, + module_name, + property_name, + value, + FALSE, + FALSE ); + } + + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + + /* this variant is used for handling the FREETYPE_PROPERTIES */ + /* environment variable */ + + FT_BASE_DEF( FT_Error ) + ft_property_string_set( FT_Library library, + const FT_String* module_name, + const FT_String* property_name, + FT_String* value ) + { + return ft_property_do( library, + module_name, + property_name, + (void*)value, + TRUE, + TRUE ); + } + +#endif + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** L I B R A R Y ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Reference_Library( FT_Library library ) + { + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + library->refcount++; + + return FT_Err_Ok; + } + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_New_Library( FT_Memory memory, + FT_Library *alibrary ) + { + FT_Library library = NULL; + FT_Error error; + + + if ( !memory || !alibrary ) + return FT_THROW( Invalid_Argument ); + +#ifdef FT_DEBUG_LEVEL_ERROR + /* init debugging support */ + ft_debug_init(); +#endif + + /* first of all, allocate the library object */ + if ( FT_NEW( library ) ) + return error; + + library->memory = memory; + +#ifdef FT_CONFIG_OPTION_PIC + /* initialize position independent code containers */ + error = ft_pic_container_init( library ); + if ( error ) + goto Fail; +#endif + + library->version_major = FREETYPE_MAJOR; + library->version_minor = FREETYPE_MINOR; + library->version_patch = FREETYPE_PATCH; + + library->refcount = 1; + + /* That's ok now */ + *alibrary = library; + + return FT_Err_Ok; + +#ifdef FT_CONFIG_OPTION_PIC + Fail: + ft_pic_container_destroy( library ); + FT_FREE( library ); + return error; +#endif + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( void ) + FT_Library_Version( FT_Library library, + FT_Int *amajor, + FT_Int *aminor, + FT_Int *apatch ) + { + FT_Int major = 0; + FT_Int minor = 0; + FT_Int patch = 0; + + + if ( library ) + { + major = library->version_major; + minor = library->version_minor; + patch = library->version_patch; + } + + if ( amajor ) + *amajor = major; + + if ( aminor ) + *aminor = minor; + + if ( apatch ) + *apatch = patch; + } + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Done_Library( FT_Library library ) + { + FT_Memory memory; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + library->refcount--; + if ( library->refcount > 0 ) + goto Exit; + + memory = library->memory; + + /* + * Close all faces in the library. If we don't do this, we can have + * some subtle memory leaks. + * + * Example: + * + * - the cff font driver uses the pshinter module in cff_size_done + * - if the pshinter module is destroyed before the cff font driver, + * opened FT_Face objects managed by the driver are not properly + * destroyed, resulting in a memory leak + * + * Some faces are dependent on other faces, like Type42 faces that + * depend on TrueType faces synthesized internally. + * + * The order of drivers should be specified in driver_name[]. + */ + { + FT_UInt m, n; + const char* driver_name[] = { "type42", NULL }; + + + for ( m = 0; + m < sizeof ( driver_name ) / sizeof ( driver_name[0] ); + m++ ) + { + for ( n = 0; n < library->num_modules; n++ ) + { + FT_Module module = library->modules[n]; + const char* module_name = module->clazz->module_name; + FT_List faces; + + + if ( driver_name[m] && + ft_strcmp( module_name, driver_name[m] ) != 0 ) + continue; + + if ( ( module->clazz->module_flags & FT_MODULE_FONT_DRIVER ) == 0 ) + continue; + + FT_TRACE7(( "FT_Done_Library: close faces for %s\n", module_name )); + + faces = &FT_DRIVER( module )->faces_list; + while ( faces->head ) + { + FT_Done_Face( FT_FACE( faces->head->data ) ); + if ( faces->head ) + FT_TRACE0(( "FT_Done_Library: failed to free some faces\n" )); + } + } + } + } + + /* Close all other modules in the library */ +#if 1 + /* XXX Modules are removed in the reversed order so that */ + /* type42 module is removed before truetype module. This */ + /* avoids double free in some occasions. It is a hack. */ + while ( library->num_modules > 0 ) + FT_Remove_Module( library, + library->modules[library->num_modules - 1] ); +#else + { + FT_UInt n; + + + for ( n = 0; n < library->num_modules; n++ ) + { + FT_Module module = library->modules[n]; + + + if ( module ) + { + Destroy_Module( module ); + library->modules[n] = NULL; + } + } + } +#endif + +#ifdef FT_CONFIG_OPTION_PIC + /* Destroy pic container contents */ + ft_pic_container_destroy( library ); +#endif + + FT_FREE( library ); + + Exit: + return FT_Err_Ok; + } + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( void ) + FT_Set_Debug_Hook( FT_Library library, + FT_UInt hook_index, + FT_DebugHook_Func debug_hook ) + { + if ( library && debug_hook && + hook_index < + ( sizeof ( library->debug_hooks ) / sizeof ( void* ) ) ) + library->debug_hooks[hook_index] = debug_hook; + } + + + /* documentation is in ftmodapi.h */ + + FT_EXPORT_DEF( FT_TrueTypeEngineType ) + FT_Get_TrueType_Engine_Type( FT_Library library ) + { + FT_TrueTypeEngineType result = FT_TRUETYPE_ENGINE_TYPE_NONE; + + + if ( library ) + { + FT_Module module = FT_Get_Module( library, "truetype" ); + + + if ( module ) + { + FT_Service_TrueTypeEngine service; + + + service = (FT_Service_TrueTypeEngine) + ft_module_get_service( module, + FT_SERVICE_ID_TRUETYPE_ENGINE, + 0 ); + if ( service ) + result = service->engine_type; + } + } + + return result; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_SubGlyph_Info( FT_GlyphSlot glyph, + FT_UInt sub_index, + FT_Int *p_index, + FT_UInt *p_flags, + FT_Int *p_arg1, + FT_Int *p_arg2, + FT_Matrix *p_transform ) + { + FT_Error error = FT_ERR( Invalid_Argument ); + + + if ( glyph && + glyph->subglyphs && + glyph->format == FT_GLYPH_FORMAT_COMPOSITE && + sub_index < glyph->num_subglyphs ) + { + FT_SubGlyph subg = glyph->subglyphs + sub_index; + + + *p_index = subg->index; + *p_flags = subg->flags; + *p_arg1 = subg->arg1; + *p_arg2 = subg->arg2; + *p_transform = subg->transform; + + error = FT_Err_Ok; + } + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftoutln.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftoutln.c new file mode 100644 index 00000000000..9c29ade92fb --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftoutln.c @@ -0,0 +1,1109 @@ +/***************************************************************************/ +/* */ +/* ftoutln.c */ +/* */ +/* FreeType outline management (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* All functions are declared in freetype.h. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_OUTLINE_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_DEBUG_H +#include FT_TRIGONOMETRY_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_outline + + + static + const FT_Outline null_outline = { 0, 0, NULL, NULL, NULL, 0 }; + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_Decompose( FT_Outline* outline, + const FT_Outline_Funcs* func_interface, + void* user ) + { +#undef SCALED +#define SCALED( x ) ( ( (x) < 0 ? -( -(x) << shift ) \ + : ( (x) << shift ) ) - delta ) + + FT_Vector v_last; + FT_Vector v_control; + FT_Vector v_start; + + FT_Vector* point; + FT_Vector* limit; + char* tags; + + FT_Error error; + + FT_Int n; /* index of contour in outline */ + FT_UInt first; /* index of first point in contour */ + FT_Int tag; /* current point's state */ + + FT_Int shift; + FT_Pos delta; + + + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + if ( !func_interface ) + return FT_THROW( Invalid_Argument ); + + shift = func_interface->shift; + delta = func_interface->delta; + first = 0; + + for ( n = 0; n < outline->n_contours; n++ ) + { + FT_Int last; /* index of last point in contour */ + + + FT_TRACE5(( "FT_Outline_Decompose: Outline %d\n", n )); + + last = outline->contours[n]; + if ( last < 0 ) + goto Invalid_Outline; + limit = outline->points + last; + + v_start = outline->points[first]; + v_start.x = SCALED( v_start.x ); + v_start.y = SCALED( v_start.y ); + + v_last = outline->points[last]; + v_last.x = SCALED( v_last.x ); + v_last.y = SCALED( v_last.y ); + + v_control = v_start; + + point = outline->points + first; + tags = outline->tags + first; + tag = FT_CURVE_TAG( tags[0] ); + + /* A contour cannot start with a cubic control point! */ + if ( tag == FT_CURVE_TAG_CUBIC ) + goto Invalid_Outline; + + /* check first point to determine origin */ + if ( tag == FT_CURVE_TAG_CONIC ) + { + /* first point is conic control. Yes, this happens. */ + if ( FT_CURVE_TAG( outline->tags[last] ) == FT_CURVE_TAG_ON ) + { + /* start at last point if it is on the curve */ + v_start = v_last; + limit--; + } + else + { + /* if both first and last points are conic, */ + /* start at their middle and record its position */ + /* for closure */ + v_start.x = ( v_start.x + v_last.x ) / 2; + v_start.y = ( v_start.y + v_last.y ) / 2; + + /* v_last = v_start; */ + } + point--; + tags--; + } + + FT_TRACE5(( " move to (%.2f, %.2f)\n", + v_start.x / 64.0, v_start.y / 64.0 )); + error = func_interface->move_to( &v_start, user ); + if ( error ) + goto Exit; + + while ( point < limit ) + { + point++; + tags++; + + tag = FT_CURVE_TAG( tags[0] ); + switch ( tag ) + { + case FT_CURVE_TAG_ON: /* emit a single line_to */ + { + FT_Vector vec; + + + vec.x = SCALED( point->x ); + vec.y = SCALED( point->y ); + + FT_TRACE5(( " line to (%.2f, %.2f)\n", + vec.x / 64.0, vec.y / 64.0 )); + error = func_interface->line_to( &vec, user ); + if ( error ) + goto Exit; + continue; + } + + case FT_CURVE_TAG_CONIC: /* consume conic arcs */ + v_control.x = SCALED( point->x ); + v_control.y = SCALED( point->y ); + + Do_Conic: + if ( point < limit ) + { + FT_Vector vec; + FT_Vector v_middle; + + + point++; + tags++; + tag = FT_CURVE_TAG( tags[0] ); + + vec.x = SCALED( point->x ); + vec.y = SCALED( point->y ); + + if ( tag == FT_CURVE_TAG_ON ) + { + FT_TRACE5(( " conic to (%.2f, %.2f)" + " with control (%.2f, %.2f)\n", + vec.x / 64.0, vec.y / 64.0, + v_control.x / 64.0, v_control.y / 64.0 )); + error = func_interface->conic_to( &v_control, &vec, user ); + if ( error ) + goto Exit; + continue; + } + + if ( tag != FT_CURVE_TAG_CONIC ) + goto Invalid_Outline; + + v_middle.x = ( v_control.x + vec.x ) / 2; + v_middle.y = ( v_control.y + vec.y ) / 2; + + FT_TRACE5(( " conic to (%.2f, %.2f)" + " with control (%.2f, %.2f)\n", + v_middle.x / 64.0, v_middle.y / 64.0, + v_control.x / 64.0, v_control.y / 64.0 )); + error = func_interface->conic_to( &v_control, &v_middle, user ); + if ( error ) + goto Exit; + + v_control = vec; + goto Do_Conic; + } + + FT_TRACE5(( " conic to (%.2f, %.2f)" + " with control (%.2f, %.2f)\n", + v_start.x / 64.0, v_start.y / 64.0, + v_control.x / 64.0, v_control.y / 64.0 )); + error = func_interface->conic_to( &v_control, &v_start, user ); + goto Close; + + default: /* FT_CURVE_TAG_CUBIC */ + { + FT_Vector vec1, vec2; + + + if ( point + 1 > limit || + FT_CURVE_TAG( tags[1] ) != FT_CURVE_TAG_CUBIC ) + goto Invalid_Outline; + + point += 2; + tags += 2; + + vec1.x = SCALED( point[-2].x ); + vec1.y = SCALED( point[-2].y ); + + vec2.x = SCALED( point[-1].x ); + vec2.y = SCALED( point[-1].y ); + + if ( point <= limit ) + { + FT_Vector vec; + + + vec.x = SCALED( point->x ); + vec.y = SCALED( point->y ); + + FT_TRACE5(( " cubic to (%.2f, %.2f)" + " with controls (%.2f, %.2f) and (%.2f, %.2f)\n", + vec.x / 64.0, vec.y / 64.0, + vec1.x / 64.0, vec1.y / 64.0, + vec2.x / 64.0, vec2.y / 64.0 )); + error = func_interface->cubic_to( &vec1, &vec2, &vec, user ); + if ( error ) + goto Exit; + continue; + } + + FT_TRACE5(( " cubic to (%.2f, %.2f)" + " with controls (%.2f, %.2f) and (%.2f, %.2f)\n", + v_start.x / 64.0, v_start.y / 64.0, + vec1.x / 64.0, vec1.y / 64.0, + vec2.x / 64.0, vec2.y / 64.0 )); + error = func_interface->cubic_to( &vec1, &vec2, &v_start, user ); + goto Close; + } + } + } + + /* close the contour with a line segment */ + FT_TRACE5(( " line to (%.2f, %.2f)\n", + v_start.x / 64.0, v_start.y / 64.0 )); + error = func_interface->line_to( &v_start, user ); + + Close: + if ( error ) + goto Exit; + + first = (FT_UInt)last + 1; + } + + FT_TRACE5(( "FT_Outline_Decompose: Done\n", n )); + return FT_Err_Ok; + + Exit: + FT_TRACE5(( "FT_Outline_Decompose: Error 0x%x\n", error )); + return error; + + Invalid_Outline: + return FT_THROW( Invalid_Outline ); + } + + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_New_Internal( FT_Memory memory, + FT_UInt numPoints, + FT_Int numContours, + FT_Outline *anoutline ) + { + FT_Error error; + + + if ( !anoutline || !memory ) + return FT_THROW( Invalid_Argument ); + + *anoutline = null_outline; + + if ( numContours < 0 || + (FT_UInt)numContours > numPoints ) + return FT_THROW( Invalid_Argument ); + + if ( numPoints > FT_OUTLINE_POINTS_MAX ) + return FT_THROW( Array_Too_Large ); + + if ( FT_NEW_ARRAY( anoutline->points, numPoints ) || + FT_NEW_ARRAY( anoutline->tags, numPoints ) || + FT_NEW_ARRAY( anoutline->contours, numContours ) ) + goto Fail; + + anoutline->n_points = (FT_Short)numPoints; + anoutline->n_contours = (FT_Short)numContours; + anoutline->flags |= FT_OUTLINE_OWNER; + + return FT_Err_Ok; + + Fail: + anoutline->flags |= FT_OUTLINE_OWNER; + FT_Outline_Done_Internal( memory, anoutline ); + + return error; + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_New( FT_Library library, + FT_UInt numPoints, + FT_Int numContours, + FT_Outline *anoutline ) + { + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + return FT_Outline_New_Internal( library->memory, numPoints, + numContours, anoutline ); + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_Check( FT_Outline* outline ) + { + if ( outline ) + { + FT_Int n_points = outline->n_points; + FT_Int n_contours = outline->n_contours; + FT_Int end0, end; + FT_Int n; + + + /* empty glyph? */ + if ( n_points == 0 && n_contours == 0 ) + return FT_Err_Ok; + + /* check point and contour counts */ + if ( n_points <= 0 || n_contours <= 0 ) + goto Bad; + + end0 = end = -1; + for ( n = 0; n < n_contours; n++ ) + { + end = outline->contours[n]; + + /* note that we don't accept empty contours */ + if ( end <= end0 || end >= n_points ) + goto Bad; + + end0 = end; + } + + if ( end != n_points - 1 ) + goto Bad; + + /* XXX: check the tags array */ + return FT_Err_Ok; + } + + Bad: + return FT_THROW( Invalid_Argument ); + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_Copy( const FT_Outline* source, + FT_Outline *target ) + { + FT_Int is_owner; + + + if ( !source || !target ) + return FT_THROW( Invalid_Outline ); + + if ( source->n_points != target->n_points || + source->n_contours != target->n_contours ) + return FT_THROW( Invalid_Argument ); + + if ( source == target ) + return FT_Err_Ok; + + if ( source->n_points ) + { + FT_ARRAY_COPY( target->points, source->points, source->n_points ); + FT_ARRAY_COPY( target->tags, source->tags, source->n_points ); + } + + if ( source->n_contours ) + FT_ARRAY_COPY( target->contours, source->contours, source->n_contours ); + + /* copy all flags, except the `FT_OUTLINE_OWNER' one */ + is_owner = target->flags & FT_OUTLINE_OWNER; + target->flags = source->flags; + + target->flags &= ~FT_OUTLINE_OWNER; + target->flags |= is_owner; + + return FT_Err_Ok; + } + + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_Done_Internal( FT_Memory memory, + FT_Outline* outline ) + { + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + if ( !memory ) + return FT_THROW( Invalid_Argument ); + + if ( outline->flags & FT_OUTLINE_OWNER ) + { + FT_FREE( outline->points ); + FT_FREE( outline->tags ); + FT_FREE( outline->contours ); + } + *outline = null_outline; + + return FT_Err_Ok; + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_Done( FT_Library library, + FT_Outline* outline ) + { + /* check for valid `outline' in FT_Outline_Done_Internal() */ + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + return FT_Outline_Done_Internal( library->memory, outline ); + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( void ) + FT_Outline_Get_CBox( const FT_Outline* outline, + FT_BBox *acbox ) + { + FT_Pos xMin, yMin, xMax, yMax; + + + if ( outline && acbox ) + { + if ( outline->n_points == 0 ) + { + xMin = 0; + yMin = 0; + xMax = 0; + yMax = 0; + } + else + { + FT_Vector* vec = outline->points; + FT_Vector* limit = vec + outline->n_points; + + + xMin = xMax = vec->x; + yMin = yMax = vec->y; + vec++; + + for ( ; vec < limit; vec++ ) + { + FT_Pos x, y; + + + x = vec->x; + if ( x < xMin ) xMin = x; + if ( x > xMax ) xMax = x; + + y = vec->y; + if ( y < yMin ) yMin = y; + if ( y > yMax ) yMax = y; + } + } + acbox->xMin = xMin; + acbox->xMax = xMax; + acbox->yMin = yMin; + acbox->yMax = yMax; + } + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( void ) + FT_Outline_Translate( const FT_Outline* outline, + FT_Pos xOffset, + FT_Pos yOffset ) + { + FT_UShort n; + FT_Vector* vec; + + + if ( !outline ) + return; + + vec = outline->points; + + for ( n = 0; n < outline->n_points; n++ ) + { + vec->x = ADD_LONG( vec->x, xOffset ); + vec->y = ADD_LONG( vec->y, yOffset ); + vec++; + } + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( void ) + FT_Outline_Reverse( FT_Outline* outline ) + { + FT_UShort n; + FT_Int first, last; + + + if ( !outline ) + return; + + first = 0; + + for ( n = 0; n < outline->n_contours; n++ ) + { + last = outline->contours[n]; + + /* reverse point table */ + { + FT_Vector* p = outline->points + first; + FT_Vector* q = outline->points + last; + FT_Vector swap; + + + while ( p < q ) + { + swap = *p; + *p = *q; + *q = swap; + p++; + q--; + } + } + + /* reverse tags table */ + { + char* p = outline->tags + first; + char* q = outline->tags + last; + + + while ( p < q ) + { + char swap; + + + swap = *p; + *p = *q; + *q = swap; + p++; + q--; + } + } + + first = last + 1; + } + + outline->flags ^= FT_OUTLINE_REVERSE_FILL; + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_Render( FT_Library library, + FT_Outline* outline, + FT_Raster_Params* params ) + { + FT_Error error; + FT_Renderer renderer; + FT_ListNode node; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + if ( !params ) + return FT_THROW( Invalid_Argument ); + + renderer = library->cur_renderer; + node = library->renderers.head; + + params->source = (void*)outline; + + error = FT_ERR( Cannot_Render_Glyph ); + while ( renderer ) + { + error = renderer->raster_render( renderer->raster, params ); + if ( !error || FT_ERR_NEQ( error, Cannot_Render_Glyph ) ) + break; + + /* FT_Err_Cannot_Render_Glyph is returned if the render mode */ + /* is unsupported by the current renderer for this glyph image */ + /* format */ + + /* now, look for another renderer that supports the same */ + /* format */ + renderer = FT_Lookup_Renderer( library, FT_GLYPH_FORMAT_OUTLINE, + &node ); + } + + return error; + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_Get_Bitmap( FT_Library library, + FT_Outline* outline, + const FT_Bitmap *abitmap ) + { + FT_Raster_Params params; + + + if ( !abitmap ) + return FT_THROW( Invalid_Argument ); + + /* other checks are delayed to `FT_Outline_Render' */ + + params.target = abitmap; + params.flags = 0; + + if ( abitmap->pixel_mode == FT_PIXEL_MODE_GRAY || + abitmap->pixel_mode == FT_PIXEL_MODE_LCD || + abitmap->pixel_mode == FT_PIXEL_MODE_LCD_V ) + params.flags |= FT_RASTER_FLAG_AA; + + return FT_Outline_Render( library, outline, ¶ms ); + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( void ) + FT_Vector_Transform( FT_Vector* vector, + const FT_Matrix* matrix ) + { + FT_Pos xz, yz; + + + if ( !vector || !matrix ) + return; + + xz = FT_MulFix( vector->x, matrix->xx ) + + FT_MulFix( vector->y, matrix->xy ); + + yz = FT_MulFix( vector->x, matrix->yx ) + + FT_MulFix( vector->y, matrix->yy ); + + vector->x = xz; + vector->y = yz; + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( void ) + FT_Outline_Transform( const FT_Outline* outline, + const FT_Matrix* matrix ) + { + FT_Vector* vec; + FT_Vector* limit; + + + if ( !outline || !matrix ) + return; + + vec = outline->points; + limit = vec + outline->n_points; + + for ( ; vec < limit; vec++ ) + FT_Vector_Transform( vec, matrix ); + } + + +#if 0 + +#define FT_OUTLINE_GET_CONTOUR( outline, c, first, last ) \ + do \ + { \ + (first) = ( c > 0 ) ? (outline)->points + \ + (outline)->contours[c - 1] + 1 \ + : (outline)->points; \ + (last) = (outline)->points + (outline)->contours[c]; \ + } while ( 0 ) + + + /* Is a point in some contour? */ + /* */ + /* We treat every point of the contour as if it */ + /* it were ON. That is, we allow false positives, */ + /* but disallow false negatives. (XXX really?) */ + static FT_Bool + ft_contour_has( FT_Outline* outline, + FT_Short c, + FT_Vector* point ) + { + FT_Vector* first; + FT_Vector* last; + FT_Vector* a; + FT_Vector* b; + FT_UInt n = 0; + + + FT_OUTLINE_GET_CONTOUR( outline, c, first, last ); + + for ( a = first; a <= last; a++ ) + { + FT_Pos x; + FT_Int intersect; + + + b = ( a == last ) ? first : a + 1; + + intersect = ( a->y - point->y ) ^ ( b->y - point->y ); + + /* a and b are on the same side */ + if ( intersect >= 0 ) + { + if ( intersect == 0 && a->y == point->y ) + { + if ( ( a->x <= point->x && b->x >= point->x ) || + ( a->x >= point->x && b->x <= point->x ) ) + return 1; + } + + continue; + } + + x = a->x + ( b->x - a->x ) * (point->y - a->y ) / ( b->y - a->y ); + + if ( x < point->x ) + n++; + else if ( x == point->x ) + return 1; + } + + return n & 1; + } + + + static FT_Bool + ft_contour_enclosed( FT_Outline* outline, + FT_UShort c ) + { + FT_Vector* first; + FT_Vector* last; + FT_Short i; + + + FT_OUTLINE_GET_CONTOUR( outline, c, first, last ); + + for ( i = 0; i < outline->n_contours; i++ ) + { + if ( i != c && ft_contour_has( outline, i, first ) ) + { + FT_Vector* pt; + + + for ( pt = first + 1; pt <= last; pt++ ) + if ( !ft_contour_has( outline, i, pt ) ) + return 0; + + return 1; + } + } + + return 0; + } + + + /* This version differs from the public one in that each */ + /* part (contour not enclosed in another contour) of the */ + /* outline is checked for orientation. This is */ + /* necessary for some buggy CJK fonts. */ + static FT_Orientation + ft_outline_get_orientation( FT_Outline* outline ) + { + FT_Short i; + FT_Vector* first; + FT_Vector* last; + FT_Orientation orient = FT_ORIENTATION_NONE; + + + first = outline->points; + for ( i = 0; i < outline->n_contours; i++, first = last + 1 ) + { + FT_Vector* point; + FT_Vector* xmin_point; + FT_Pos xmin; + + + last = outline->points + outline->contours[i]; + + /* skip degenerate contours */ + if ( last < first + 2 ) + continue; + + if ( ft_contour_enclosed( outline, i ) ) + continue; + + xmin = first->x; + xmin_point = first; + + for ( point = first + 1; point <= last; point++ ) + { + if ( point->x < xmin ) + { + xmin = point->x; + xmin_point = point; + } + } + + /* check the orientation of the contour */ + { + FT_Vector* prev; + FT_Vector* next; + FT_Orientation o; + + + prev = ( xmin_point == first ) ? last : xmin_point - 1; + next = ( xmin_point == last ) ? first : xmin_point + 1; + + if ( FT_Atan2( prev->x - xmin_point->x, prev->y - xmin_point->y ) > + FT_Atan2( next->x - xmin_point->x, next->y - xmin_point->y ) ) + o = FT_ORIENTATION_POSTSCRIPT; + else + o = FT_ORIENTATION_TRUETYPE; + + if ( orient == FT_ORIENTATION_NONE ) + orient = o; + else if ( orient != o ) + return FT_ORIENTATION_NONE; + } + } + + return orient; + } + +#endif /* 0 */ + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_Embolden( FT_Outline* outline, + FT_Pos strength ) + { + return FT_Outline_EmboldenXY( outline, strength, strength ); + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Outline_EmboldenXY( FT_Outline* outline, + FT_Pos xstrength, + FT_Pos ystrength ) + { + FT_Vector* points; + FT_Int c, first, last; + FT_Int orientation; + + + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + xstrength /= 2; + ystrength /= 2; + if ( xstrength == 0 && ystrength == 0 ) + return FT_Err_Ok; + + orientation = FT_Outline_Get_Orientation( outline ); + if ( orientation == FT_ORIENTATION_NONE ) + { + if ( outline->n_contours ) + return FT_THROW( Invalid_Argument ); + else + return FT_Err_Ok; + } + + points = outline->points; + + first = 0; + for ( c = 0; c < outline->n_contours; c++ ) + { + FT_Vector in, out, anchor, shift; + FT_Fixed l_in, l_out, l_anchor = 0, l, q, d; + FT_Int i, j, k; + + + l_in = 0; + last = outline->contours[c]; + + /* pacify compiler */ + in.x = in.y = anchor.x = anchor.y = 0; + + /* Counter j cycles though the points; counter i advances only */ + /* when points are moved; anchor k marks the first moved point. */ + for ( i = last, j = first, k = -1; + j != i && i != k; + j = j < last ? j + 1 : first ) + { + if ( j != k ) + { + out.x = points[j].x - points[i].x; + out.y = points[j].y - points[i].y; + l_out = (FT_Fixed)FT_Vector_NormLen( &out ); + + if ( l_out == 0 ) + continue; + } + else + { + out = anchor; + l_out = l_anchor; + } + + if ( l_in != 0 ) + { + if ( k < 0 ) + { + k = i; + anchor = in; + l_anchor = l_in; + } + + d = FT_MulFix( in.x, out.x ) + FT_MulFix( in.y, out.y ); + + /* shift only if turn is less than ~160 degrees */ + if ( d > -0xF000L ) + { + d = d + 0x10000L; + + /* shift components along lateral bisector in proper orientation */ + shift.x = in.y + out.y; + shift.y = in.x + out.x; + + if ( orientation == FT_ORIENTATION_TRUETYPE ) + shift.x = -shift.x; + else + shift.y = -shift.y; + + /* restrict shift magnitude to better handle collapsing segments */ + q = FT_MulFix( out.x, in.y ) - FT_MulFix( out.y, in.x ); + if ( orientation == FT_ORIENTATION_TRUETYPE ) + q = -q; + + l = FT_MIN( l_in, l_out ); + + /* non-strict inequalities avoid divide-by-zero when q == l == 0 */ + if ( FT_MulFix( xstrength, q ) <= FT_MulFix( l, d ) ) + shift.x = FT_MulDiv( shift.x, xstrength, d ); + else + shift.x = FT_MulDiv( shift.x, l, q ); + + + if ( FT_MulFix( ystrength, q ) <= FT_MulFix( l, d ) ) + shift.y = FT_MulDiv( shift.y, ystrength, d ); + else + shift.y = FT_MulDiv( shift.y, l, q ); + } + else + shift.x = shift.y = 0; + + for ( ; + i != j; + i = i < last ? i + 1 : first ) + { + points[i].x += xstrength + shift.x; + points[i].y += ystrength + shift.y; + } + } + else + i = j; + + in = out; + l_in = l_out; + } + + first = last + 1; + } + + return FT_Err_Ok; + } + + + /* documentation is in ftoutln.h */ + + FT_EXPORT_DEF( FT_Orientation ) + FT_Outline_Get_Orientation( FT_Outline* outline ) + { + FT_BBox cbox; + FT_Int xshift, yshift; + FT_Vector* points; + FT_Vector v_prev, v_cur; + FT_Int c, n, first; + FT_Pos area = 0; + + + if ( !outline || outline->n_points <= 0 ) + return FT_ORIENTATION_TRUETYPE; + + /* We use the nonzero winding rule to find the orientation. */ + /* Since glyph outlines behave much more `regular' than arbitrary */ + /* cubic or quadratic curves, this test deals with the polygon */ + /* only that is spanned up by the control points. */ + + FT_Outline_Get_CBox( outline, &cbox ); + + /* Handle collapsed outlines to avoid undefined FT_MSB. */ + if ( cbox.xMin == cbox.xMax || cbox.yMin == cbox.yMax ) + return FT_ORIENTATION_NONE; + + xshift = FT_MSB( (FT_UInt32)( FT_ABS( cbox.xMax ) | + FT_ABS( cbox.xMin ) ) ) - 14; + xshift = FT_MAX( xshift, 0 ); + + yshift = FT_MSB( (FT_UInt32)( cbox.yMax - cbox.yMin ) ) - 14; + yshift = FT_MAX( yshift, 0 ); + + points = outline->points; + + first = 0; + for ( c = 0; c < outline->n_contours; c++ ) + { + FT_Int last = outline->contours[c]; + + + v_prev.x = points[last].x >> xshift; + v_prev.y = points[last].y >> yshift; + + for ( n = first; n <= last; n++ ) + { + v_cur.x = points[n].x >> xshift; + v_cur.y = points[n].y >> yshift; + + area = ADD_LONG( area, + ( v_cur.y - v_prev.y ) * ( v_cur.x + v_prev.x ) ); + + v_prev = v_cur; + } + + first = last + 1; + } + + if ( area > 0 ) + return FT_ORIENTATION_POSTSCRIPT; + else if ( area < 0 ) + return FT_ORIENTATION_TRUETYPE; + else + return FT_ORIENTATION_NONE; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftpatent.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftpatent.c new file mode 100644 index 00000000000..e23ee2e3f48 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftpatent.c @@ -0,0 +1,51 @@ +/***************************************************************************/ +/* */ +/* ftpatent.c */ +/* */ +/* FreeType API for checking patented TrueType bytecode instructions */ +/* (body). Obsolete, retained for backward compatibility. */ +/* */ +/* Copyright 2007-2018 by */ +/* David Turner. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_TRUETYPE_TAGS_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_STREAM_H +#include FT_SERVICE_SFNT_H +#include FT_SERVICE_TRUETYPE_GLYF_H + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Bool ) + FT_Face_CheckTrueTypePatents( FT_Face face ) + { + FT_UNUSED( face ); + + return FALSE; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Bool ) + FT_Face_SetUnpatentedHinting( FT_Face face, + FT_Bool value ) + { + FT_UNUSED( face ); + FT_UNUSED( value ); + + return FALSE; + } + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftpic.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftpic.c new file mode 100644 index 00000000000..1492e1809a5 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftpic.c @@ -0,0 +1,55 @@ +/***************************************************************************/ +/* */ +/* ftpic.c */ +/* */ +/* The FreeType position independent code services (body). */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "basepic.h" + +#ifdef FT_CONFIG_OPTION_PIC + + /* documentation is in ftpic.h */ + + FT_BASE_DEF( FT_Error ) + ft_pic_container_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Error error; + + + FT_MEM_SET( pic_container, 0, sizeof ( *pic_container ) ); + + error = ft_base_pic_init( library ); + if ( error ) + return error; + + return FT_Err_Ok; + } + + + /* Destroy the contents of the container. */ + FT_BASE_DEF( void ) + ft_pic_container_destroy( FT_Library library ) + { + ft_base_pic_free( library ); + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftpsprop.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftpsprop.c new file mode 100644 index 00000000000..459b5e6054c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftpsprop.c @@ -0,0 +1,285 @@ +/***************************************************************************/ +/* */ +/* ftpsprop.c */ +/* */ +/* Get and set properties of PostScript drivers (body). */ +/* See `ftdriver.h' for available properties. */ +/* */ +/* Copyright 2017-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_DRIVER_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_POSTSCRIPT_PROPS_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_psprops + + + FT_BASE_CALLBACK_DEF( FT_Error ) + ps_property_set( FT_Module module, /* PS_Driver */ + const char* property_name, + const void* value, + FT_Bool value_is_string ) + { + FT_Error error = FT_Err_Ok; + PS_Driver driver = (PS_Driver)module; + +#ifndef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + FT_UNUSED( value_is_string ); +#endif + + + if ( !ft_strcmp( property_name, "darkening-parameters" ) ) + { + FT_Int* darken_params; + FT_Int x1, y1, x2, y2, x3, y3, x4, y4; + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + FT_Int dp[8]; + + + if ( value_is_string ) + { + const char* s = (const char*)value; + char* ep; + int i; + + + /* eight comma-separated numbers */ + for ( i = 0; i < 7; i++ ) + { + dp[i] = (FT_Int)ft_strtol( s, &ep, 10 ); + if ( *ep != ',' || s == ep ) + return FT_THROW( Invalid_Argument ); + + s = ep + 1; + } + + dp[7] = (FT_Int)ft_strtol( s, &ep, 10 ); + if ( !( *ep == '\0' || *ep == ' ' ) || s == ep ) + return FT_THROW( Invalid_Argument ); + + darken_params = dp; + } + else +#endif + darken_params = (FT_Int*)value; + + x1 = darken_params[0]; + y1 = darken_params[1]; + x2 = darken_params[2]; + y2 = darken_params[3]; + x3 = darken_params[4]; + y3 = darken_params[5]; + x4 = darken_params[6]; + y4 = darken_params[7]; + + if ( x1 < 0 || x2 < 0 || x3 < 0 || x4 < 0 || + y1 < 0 || y2 < 0 || y3 < 0 || y4 < 0 || + x1 > x2 || x2 > x3 || x3 > x4 || + y1 > 500 || y2 > 500 || y3 > 500 || y4 > 500 ) + return FT_THROW( Invalid_Argument ); + + driver->darken_params[0] = x1; + driver->darken_params[1] = y1; + driver->darken_params[2] = x2; + driver->darken_params[3] = y2; + driver->darken_params[4] = x3; + driver->darken_params[5] = y3; + driver->darken_params[6] = x4; + driver->darken_params[7] = y4; + + return error; + } + + else if ( !ft_strcmp( property_name, "hinting-engine" ) ) + { +#if defined( CFF_CONFIG_OPTION_OLD_ENGINE ) || \ + defined( T1_CONFIG_OPTION_OLD_ENGINE ) + const char* module_name = module->clazz->module_name; +#endif + + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + if ( value_is_string ) + { + const char* s = (const char*)value; + + + if ( !ft_strcmp( s, "adobe" ) ) + driver->hinting_engine = FT_HINTING_ADOBE; + +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + else if ( !ft_strcmp( module_name, "cff" ) && + !ft_strcmp( s, "freetype" ) ) + driver->hinting_engine = FT_HINTING_FREETYPE; +#endif + +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + else if ( ( !ft_strcmp( module_name, "type1" ) || + !ft_strcmp( module_name, "t1cid" ) ) && + !ft_strcmp( s, "freetype" ) ) + driver->hinting_engine = FT_HINTING_FREETYPE; +#endif + + else + return FT_THROW( Invalid_Argument ); + } + else +#endif /* FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES */ + { + FT_UInt* hinting_engine = (FT_UInt*)value; + + + if ( *hinting_engine == FT_HINTING_ADOBE +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + || ( *hinting_engine == FT_HINTING_FREETYPE && + !ft_strcmp( module_name, "cff" ) ) +#endif +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + || ( *hinting_engine == FT_HINTING_FREETYPE && + ( !ft_strcmp( module_name, "type1" ) || + !ft_strcmp( module_name, "t1cid" ) ) ) +#endif + ) + driver->hinting_engine = *hinting_engine; + else + error = FT_ERR( Unimplemented_Feature ); + + return error; + } + } + + else if ( !ft_strcmp( property_name, "no-stem-darkening" ) ) + { +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + if ( value_is_string ) + { + const char* s = (const char*)value; + long nsd = ft_strtol( s, NULL, 10 ); + + + if ( !nsd ) + driver->no_stem_darkening = FALSE; + else + driver->no_stem_darkening = TRUE; + } + else +#endif + { + FT_Bool* no_stem_darkening = (FT_Bool*)value; + + + driver->no_stem_darkening = *no_stem_darkening; + } + + return error; + } + + else if ( !ft_strcmp( property_name, "random-seed" ) ) + { + FT_Int32 random_seed; + + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + if ( value_is_string ) + { + const char* s = (const char*)value; + + + random_seed = (FT_Int32)ft_strtol( s, NULL, 10 ); + } + else +#endif + random_seed = *(FT_Int32*)value; + + if ( random_seed < 0 ) + random_seed = 0; + + driver->random_seed = random_seed; + + return error; + } + + FT_TRACE0(( "ps_property_set: missing property `%s'\n", + property_name )); + return FT_THROW( Missing_Property ); + } + + + FT_BASE_CALLBACK_DEF( FT_Error ) + ps_property_get( FT_Module module, /* PS_Driver */ + const char* property_name, + void* value ) + { + FT_Error error = FT_Err_Ok; + PS_Driver driver = (PS_Driver)module; + + + if ( !ft_strcmp( property_name, "darkening-parameters" ) ) + { + FT_Int* darken_params = driver->darken_params; + FT_Int* val = (FT_Int*)value; + + + val[0] = darken_params[0]; + val[1] = darken_params[1]; + val[2] = darken_params[2]; + val[3] = darken_params[3]; + val[4] = darken_params[4]; + val[5] = darken_params[5]; + val[6] = darken_params[6]; + val[7] = darken_params[7]; + + return error; + } + + else if ( !ft_strcmp( property_name, "hinting-engine" ) ) + { + FT_UInt hinting_engine = driver->hinting_engine; + FT_UInt* val = (FT_UInt*)value; + + + *val = hinting_engine; + + return error; + } + + else if ( !ft_strcmp( property_name, "no-stem-darkening" ) ) + { + FT_Bool no_stem_darkening = driver->no_stem_darkening; + FT_Bool* val = (FT_Bool*)value; + + + *val = no_stem_darkening; + + return error; + } + + FT_TRACE0(( "ps_property_get: missing property `%s'\n", + property_name )); + return FT_THROW( Missing_Property ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftrfork.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftrfork.c new file mode 100644 index 00000000000..c3a2b9151ac --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftrfork.c @@ -0,0 +1,943 @@ +/***************************************************************************/ +/* */ +/* ftrfork.c */ +/* */ +/* Embedded resource forks accessor (body). */ +/* */ +/* Copyright 2004-2018 by */ +/* Masatake YAMATO and Redhat K.K. */ +/* */ +/* FT_Raccess_Get_HeaderInfo() and raccess_guess_darwin_hfsplus() are */ +/* derived from ftobjs.c. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +/***************************************************************************/ +/* Development of the code in this file is support of */ +/* Information-technology Promotion Agency, Japan. */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_RFORK_H +#include "basepic.h" +#include "ftbase.h" + +#undef FT_COMPONENT +#define FT_COMPONENT trace_raccess + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** Resource fork directory access ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + FT_BASE_DEF( FT_Error ) + FT_Raccess_Get_HeaderInfo( FT_Library library, + FT_Stream stream, + FT_Long rfork_offset, + FT_Long *map_offset, + FT_Long *rdata_pos ) + { + FT_Error error; + unsigned char head[16], head2[16]; + FT_Long map_pos, map_len, rdata_len; + int allzeros, allmatch, i; + FT_Long type_list; + + FT_UNUSED( library ); + + + error = FT_Stream_Seek( stream, (FT_ULong)rfork_offset ); + if ( error ) + return error; + + error = FT_Stream_Read( stream, (FT_Byte*)head, 16 ); + if ( error ) + return error; + + /* ensure positive values */ + if ( head[0] >= 0x80 || + head[4] >= 0x80 || + head[8] >= 0x80 || + head[12] >= 0x80 ) + return FT_THROW( Unknown_File_Format ); + + *rdata_pos = ( head[ 0] << 24 ) | + ( head[ 1] << 16 ) | + ( head[ 2] << 8 ) | + head[ 3]; + map_pos = ( head[ 4] << 24 ) | + ( head[ 5] << 16 ) | + ( head[ 6] << 8 ) | + head[ 7]; + rdata_len = ( head[ 8] << 24 ) | + ( head[ 9] << 16 ) | + ( head[10] << 8 ) | + head[11]; + map_len = ( head[12] << 24 ) | + ( head[13] << 16 ) | + ( head[14] << 8 ) | + head[15]; + + /* the map must not be empty */ + if ( !map_pos ) + return FT_THROW( Unknown_File_Format ); + + /* check whether rdata and map overlap */ + if ( *rdata_pos < map_pos ) + { + if ( *rdata_pos > map_pos - rdata_len ) + return FT_THROW( Unknown_File_Format ); + } + else + { + if ( map_pos > *rdata_pos - map_len ) + return FT_THROW( Unknown_File_Format ); + } + + /* check whether end of rdata or map exceeds stream size */ + if ( FT_LONG_MAX - rdata_len < *rdata_pos || + FT_LONG_MAX - map_len < map_pos || + + FT_LONG_MAX - ( *rdata_pos + rdata_len ) < rfork_offset || + FT_LONG_MAX - ( map_pos + map_len ) < rfork_offset || + + (FT_ULong)( rfork_offset + *rdata_pos + rdata_len ) > stream->size || + (FT_ULong)( rfork_offset + map_pos + map_len ) > stream->size ) + return FT_THROW( Unknown_File_Format ); + + *rdata_pos += rfork_offset; + map_pos += rfork_offset; + + error = FT_Stream_Seek( stream, (FT_ULong)map_pos ); + if ( error ) + return error; + + head2[15] = (FT_Byte)( head[15] + 1 ); /* make it be different */ + + error = FT_Stream_Read( stream, (FT_Byte*)head2, 16 ); + if ( error ) + return error; + + allzeros = 1; + allmatch = 1; + for ( i = 0; i < 16; i++ ) + { + if ( head2[i] != 0 ) + allzeros = 0; + if ( head2[i] != head[i] ) + allmatch = 0; + } + if ( !allzeros && !allmatch ) + return FT_THROW( Unknown_File_Format ); + + /* If we have reached this point then it is probably a mac resource */ + /* file. Now, does it contain any interesting resources? */ + + (void)FT_STREAM_SKIP( 4 /* skip handle to next resource map */ + + 2 /* skip file resource number */ + + 2 ); /* skip attributes */ + + if ( FT_READ_SHORT( type_list ) ) + return error; + if ( type_list < 0 ) + return FT_THROW( Unknown_File_Format ); + + error = FT_Stream_Seek( stream, (FT_ULong)( map_pos + type_list ) ); + if ( error ) + return error; + + *map_offset = map_pos + type_list; + return FT_Err_Ok; + } + + + static int + ft_raccess_sort_ref_by_id( FT_RFork_Ref* a, + FT_RFork_Ref* b ) + { + if ( a->res_id < b->res_id ) + return -1; + else if ( a->res_id > b->res_id ) + return 1; + else + return 0; + } + + + FT_BASE_DEF( FT_Error ) + FT_Raccess_Get_DataOffsets( FT_Library library, + FT_Stream stream, + FT_Long map_offset, + FT_Long rdata_pos, + FT_Long tag, + FT_Bool sort_by_res_id, + FT_Long **offsets, + FT_Long *count ) + { + FT_Error error; + int i, j, cnt, subcnt; + FT_Long tag_internal, rpos; + FT_Memory memory = library->memory; + FT_Long temp; + FT_Long *offsets_internal = NULL; + FT_RFork_Ref *ref = NULL; + + + FT_TRACE3(( "\n" )); + error = FT_Stream_Seek( stream, (FT_ULong)map_offset ); + if ( error ) + return error; + + if ( FT_READ_SHORT( cnt ) ) + return error; + cnt++; + + /* `rpos' is a signed 16bit integer offset to resource records; the */ + /* size of a resource record is 12 bytes. The map header is 28 bytes, */ + /* and a type list needs 10 bytes or more. If we assume that the name */ + /* list is empty and we have only a single entry in the type list, */ + /* there can be at most */ + /* */ + /* (32768 - 28 - 10) / 12 = 2727 */ + /* */ + /* resources. */ + /* */ + /* A type list starts with a two-byte counter, followed by 10-byte */ + /* type records. Assuming that there are no resources, the number of */ + /* type records can be at most */ + /* */ + /* (32768 - 28 - 2) / 8 = 4079 */ + /* */ + if ( cnt > 4079 ) + return FT_THROW( Invalid_Table ); + + for ( i = 0; i < cnt; i++ ) + { + if ( FT_READ_LONG( tag_internal ) || + FT_READ_SHORT( subcnt ) || + FT_READ_SHORT( rpos ) ) + return error; + + FT_TRACE2(( "Resource tags: %c%c%c%c\n", + (char)( 0xFF & ( tag_internal >> 24 ) ), + (char)( 0xFF & ( tag_internal >> 16 ) ), + (char)( 0xFF & ( tag_internal >> 8 ) ), + (char)( 0xFF & ( tag_internal >> 0 ) ) )); + FT_TRACE3(( " : subcount=%d, suboffset=0x%04x\n", + subcnt, rpos )); + + if ( tag_internal == tag ) + { + *count = subcnt + 1; + rpos += map_offset; + + /* a zero count might be valid in the resource specification, */ + /* however, it is completely useless to us */ + if ( *count < 1 || *count > 2727 ) + return FT_THROW( Invalid_Table ); + + error = FT_Stream_Seek( stream, (FT_ULong)rpos ); + if ( error ) + return error; + + if ( FT_NEW_ARRAY( ref, *count ) ) + return error; + + for ( j = 0; j < *count; j++ ) + { + if ( FT_READ_SHORT( ref[j].res_id ) ) + goto Exit; + if ( FT_STREAM_SKIP( 2 ) ) /* resource name offset */ + goto Exit; + if ( FT_READ_LONG( temp ) ) /* attributes (8bit), offset (24bit) */ + goto Exit; + if ( FT_STREAM_SKIP( 4 ) ) /* mbz */ + goto Exit; + + /* + * According to Inside Macintosh: More Macintosh Toolbox, + * "Resource IDs" (1-46), there are some reserved IDs. + * However, FreeType2 is not a font synthesizer, no need + * to check the acceptable resource ID. + */ + if ( temp < 0 ) + { + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + ref[j].offset = temp & 0xFFFFFFL; + + FT_TRACE3(( " [%d]:" + " resource_id=0x%04x, offset=0x%08x\n", + j, (FT_UShort)ref[j].res_id, ref[j].offset )); + } + + if ( sort_by_res_id ) + { + ft_qsort( ref, + (size_t)*count, + sizeof ( FT_RFork_Ref ), + ( int(*)(const void*, + const void*) )ft_raccess_sort_ref_by_id ); + + FT_TRACE3(( " -- sort resources by their ids --\n" )); + + for ( j = 0; j < *count; j++ ) + FT_TRACE3(( " [%d]:" + " resource_id=0x%04x, offset=0x%08x\n", + j, ref[j].res_id, ref[j].offset )); + } + + if ( FT_NEW_ARRAY( offsets_internal, *count ) ) + goto Exit; + + /* XXX: duplicated reference ID, + * gap between reference IDs are acceptable? + * further investigation on Apple implementation is needed. + */ + for ( j = 0; j < *count; j++ ) + offsets_internal[j] = rdata_pos + ref[j].offset; + + *offsets = offsets_internal; + error = FT_Err_Ok; + + Exit: + FT_FREE( ref ); + return error; + } + } + + return FT_THROW( Cannot_Open_Resource ); + } + + +#ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** Guessing functions ****/ + /**** ****/ + /**** When you add a new guessing function, ****/ + /**** update FT_RACCESS_N_RULES in ftrfork.h. ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + static FT_Error + raccess_guess_apple_double( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + static FT_Error + raccess_guess_apple_single( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + static FT_Error + raccess_guess_darwin_ufs_export( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + static FT_Error + raccess_guess_darwin_newvfs( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + static FT_Error + raccess_guess_darwin_hfsplus( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + static FT_Error + raccess_guess_vfat( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + static FT_Error + raccess_guess_linux_cap( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + static FT_Error + raccess_guess_linux_double( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + static FT_Error + raccess_guess_linux_netatalk( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + + + CONST_FT_RFORK_RULE_ARRAY_BEGIN(ft_raccess_guess_table, + ft_raccess_guess_rec) + CONST_FT_RFORK_RULE_ARRAY_ENTRY(apple_double, apple_double) + CONST_FT_RFORK_RULE_ARRAY_ENTRY(apple_single, apple_single) + CONST_FT_RFORK_RULE_ARRAY_ENTRY(darwin_ufs_export, darwin_ufs_export) + CONST_FT_RFORK_RULE_ARRAY_ENTRY(darwin_newvfs, darwin_newvfs) + CONST_FT_RFORK_RULE_ARRAY_ENTRY(darwin_hfsplus, darwin_hfsplus) + CONST_FT_RFORK_RULE_ARRAY_ENTRY(vfat, vfat) + CONST_FT_RFORK_RULE_ARRAY_ENTRY(linux_cap, linux_cap) + CONST_FT_RFORK_RULE_ARRAY_ENTRY(linux_double, linux_double) + CONST_FT_RFORK_RULE_ARRAY_ENTRY(linux_netatalk, linux_netatalk) + CONST_FT_RFORK_RULE_ARRAY_END + + + /*************************************************************************/ + /**** ****/ + /**** Helper functions ****/ + /**** ****/ + /*************************************************************************/ + + static FT_Error + raccess_guess_apple_generic( FT_Library library, + FT_Stream stream, + char *base_file_name, + FT_Int32 magic, + FT_Long *result_offset ); + + static FT_Error + raccess_guess_linux_double_from_file_name( FT_Library library, + char * file_name, + FT_Long *result_offset ); + + static char * + raccess_make_file_name( FT_Memory memory, + const char *original_name, + const char *insertion ); + + FT_BASE_DEF( void ) + FT_Raccess_Guess( FT_Library library, + FT_Stream stream, + char* base_name, + char **new_names, + FT_Long *offsets, + FT_Error *errors ) + { + FT_Int i; + + + for ( i = 0; i < FT_RACCESS_N_RULES; i++ ) + { + new_names[i] = NULL; + if ( NULL != stream ) + errors[i] = FT_Stream_Seek( stream, 0 ); + else + errors[i] = FT_Err_Ok; + + if ( errors[i] ) + continue; + + errors[i] = (FT_RACCESS_GUESS_TABLE_GET[i].func)( library, + stream, base_name, + &(new_names[i]), + &(offsets[i]) ); + } + + return; + } + + +#if defined( FT_CONFIG_OPTION_MAC_FONTS ) && !defined( FT_MACINTOSH ) + static FT_RFork_Rule + raccess_get_rule_type_from_rule_index( FT_Library library, + FT_UInt rule_index ) + { + FT_UNUSED( library ); + + if ( rule_index >= FT_RACCESS_N_RULES ) + return FT_RFork_Rule_invalid; + + return FT_RACCESS_GUESS_TABLE_GET[rule_index].type; + } + + + /* + * For this function, refer ftbase.h. + */ + FT_LOCAL_DEF( FT_Bool ) + ft_raccess_rule_by_darwin_vfs( FT_Library library, + FT_UInt rule_index ) + { + switch( raccess_get_rule_type_from_rule_index( library, rule_index ) ) + { + case FT_RFork_Rule_darwin_newvfs: + case FT_RFork_Rule_darwin_hfsplus: + return TRUE; + + default: + return FALSE; + } + } +#endif + + + static FT_Error + raccess_guess_apple_double( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + FT_Int32 magic = ( 0x00 << 24 ) | + ( 0x05 << 16 ) | + ( 0x16 << 8 ) | + 0x07; + + + *result_file_name = NULL; + if ( NULL == stream ) + return FT_THROW( Cannot_Open_Stream ); + + return raccess_guess_apple_generic( library, stream, base_file_name, + magic, result_offset ); + } + + + static FT_Error + raccess_guess_apple_single( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + FT_Int32 magic = ( 0x00 << 24 ) | + ( 0x05 << 16 ) | + ( 0x16 << 8 ) | + 0x00; + + + *result_file_name = NULL; + if ( NULL == stream ) + return FT_THROW( Cannot_Open_Stream ); + + return raccess_guess_apple_generic( library, stream, base_file_name, + magic, result_offset ); + } + + + static FT_Error + raccess_guess_darwin_ufs_export( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + char* newpath; + FT_Error error; + FT_Memory memory; + + FT_UNUSED( stream ); + + + memory = library->memory; + newpath = raccess_make_file_name( memory, base_file_name, "._" ); + if ( !newpath ) + return FT_THROW( Out_Of_Memory ); + + error = raccess_guess_linux_double_from_file_name( library, newpath, + result_offset ); + if ( !error ) + *result_file_name = newpath; + else + FT_FREE( newpath ); + + return error; + } + + + static FT_Error + raccess_guess_darwin_hfsplus( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + /* + Only meaningful on systems with hfs+ drivers (or Macs). + */ + FT_Error error; + char* newpath = NULL; + FT_Memory memory; + FT_Long base_file_len = (FT_Long)ft_strlen( base_file_name ); + + FT_UNUSED( stream ); + + + memory = library->memory; + + if ( base_file_len + 6 > FT_INT_MAX ) + return FT_THROW( Array_Too_Large ); + + if ( FT_ALLOC( newpath, base_file_len + 6 ) ) + return error; + + FT_MEM_COPY( newpath, base_file_name, base_file_len ); + FT_MEM_COPY( newpath + base_file_len, "/rsrc", 6 ); + + *result_file_name = newpath; + *result_offset = 0; + + return FT_Err_Ok; + } + + + static FT_Error + raccess_guess_darwin_newvfs( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + /* + Only meaningful on systems with Mac OS X (> 10.1). + */ + FT_Error error; + char* newpath = NULL; + FT_Memory memory; + FT_Long base_file_len = (FT_Long)ft_strlen( base_file_name ); + + FT_UNUSED( stream ); + + + memory = library->memory; + + if ( base_file_len + 18 > FT_INT_MAX ) + return FT_THROW( Array_Too_Large ); + + if ( FT_ALLOC( newpath, base_file_len + 18 ) ) + return error; + + FT_MEM_COPY( newpath, base_file_name, base_file_len ); + FT_MEM_COPY( newpath + base_file_len, "/..namedfork/rsrc", 18 ); + + *result_file_name = newpath; + *result_offset = 0; + + return FT_Err_Ok; + } + + + static FT_Error + raccess_guess_vfat( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + char* newpath; + FT_Memory memory; + + FT_UNUSED( stream ); + + + memory = library->memory; + + newpath = raccess_make_file_name( memory, base_file_name, + "resource.frk/" ); + if ( !newpath ) + return FT_THROW( Out_Of_Memory ); + + *result_file_name = newpath; + *result_offset = 0; + + return FT_Err_Ok; + } + + + static FT_Error + raccess_guess_linux_cap( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + char* newpath; + FT_Memory memory; + + FT_UNUSED( stream ); + + + memory = library->memory; + + newpath = raccess_make_file_name( memory, base_file_name, ".resource/" ); + if ( !newpath ) + return FT_THROW( Out_Of_Memory ); + + *result_file_name = newpath; + *result_offset = 0; + + return FT_Err_Ok; + } + + + static FT_Error + raccess_guess_linux_double( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + char* newpath; + FT_Error error; + FT_Memory memory; + + FT_UNUSED( stream ); + + + memory = library->memory; + + newpath = raccess_make_file_name( memory, base_file_name, "%" ); + if ( !newpath ) + return FT_THROW( Out_Of_Memory ); + + error = raccess_guess_linux_double_from_file_name( library, newpath, + result_offset ); + if ( !error ) + *result_file_name = newpath; + else + FT_FREE( newpath ); + + return error; + } + + + static FT_Error + raccess_guess_linux_netatalk( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + char* newpath; + FT_Error error; + FT_Memory memory; + + FT_UNUSED( stream ); + + + memory = library->memory; + + newpath = raccess_make_file_name( memory, base_file_name, + ".AppleDouble/" ); + if ( !newpath ) + return FT_THROW( Out_Of_Memory ); + + error = raccess_guess_linux_double_from_file_name( library, newpath, + result_offset ); + if ( !error ) + *result_file_name = newpath; + else + FT_FREE( newpath ); + + return error; + } + + + static FT_Error + raccess_guess_apple_generic( FT_Library library, + FT_Stream stream, + char *base_file_name, + FT_Int32 magic, + FT_Long *result_offset ) + { + FT_Int32 magic_from_stream; + FT_Error error; + FT_Int32 version_number = 0; + FT_UShort n_of_entries; + + int i; + FT_Int32 entry_id, entry_offset, entry_length = 0; + + const FT_Int32 resource_fork_entry_id = 0x2; + + FT_UNUSED( library ); + FT_UNUSED( base_file_name ); + FT_UNUSED( version_number ); + FT_UNUSED( entry_length ); + + + if ( FT_READ_LONG( magic_from_stream ) ) + return error; + if ( magic_from_stream != magic ) + return FT_THROW( Unknown_File_Format ); + + if ( FT_READ_LONG( version_number ) ) + return error; + + /* filler */ + error = FT_Stream_Skip( stream, 16 ); + if ( error ) + return error; + + if ( FT_READ_USHORT( n_of_entries ) ) + return error; + if ( n_of_entries == 0 ) + return FT_THROW( Unknown_File_Format ); + + for ( i = 0; i < n_of_entries; i++ ) + { + if ( FT_READ_LONG( entry_id ) ) + return error; + if ( entry_id == resource_fork_entry_id ) + { + if ( FT_READ_LONG( entry_offset ) || + FT_READ_LONG( entry_length ) ) + continue; + *result_offset = entry_offset; + + return FT_Err_Ok; + } + else + { + error = FT_Stream_Skip( stream, 4 + 4 ); /* offset + length */ + if ( error ) + return error; + } + } + + return FT_THROW( Unknown_File_Format ); + } + + + static FT_Error + raccess_guess_linux_double_from_file_name( FT_Library library, + char *file_name, + FT_Long *result_offset ) + { + FT_Open_Args args2; + FT_Stream stream2; + char * nouse = NULL; + FT_Error error; + + + args2.flags = FT_OPEN_PATHNAME; + args2.pathname = file_name; + error = FT_Stream_New( library, &args2, &stream2 ); + if ( error ) + return error; + + error = raccess_guess_apple_double( library, stream2, file_name, + &nouse, result_offset ); + + FT_Stream_Free( stream2, 0 ); + + return error; + } + + + static char* + raccess_make_file_name( FT_Memory memory, + const char *original_name, + const char *insertion ) + { + char* new_name = NULL; + const char* tmp; + const char* slash; + size_t new_length; + FT_Error error = FT_Err_Ok; + + FT_UNUSED( error ); + + + new_length = ft_strlen( original_name ) + ft_strlen( insertion ); + if ( FT_ALLOC( new_name, new_length + 1 ) ) + return NULL; + + tmp = ft_strrchr( original_name, '/' ); + if ( tmp ) + { + ft_strncpy( new_name, + original_name, + (size_t)( tmp - original_name + 1 ) ); + new_name[tmp - original_name + 1] = '\0'; + slash = tmp + 1; + } + else + { + slash = original_name; + new_name[0] = '\0'; + } + + ft_strcat( new_name, insertion ); + ft_strcat( new_name, slash ); + + return new_name; + } + + +#else /* !FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK */ + + + /*************************************************************************/ + /* Dummy function; just sets errors */ + /*************************************************************************/ + + FT_BASE_DEF( void ) + FT_Raccess_Guess( FT_Library library, + FT_Stream stream, + char *base_name, + char **new_names, + FT_Long *offsets, + FT_Error *errors ) + { + FT_Int i; + + FT_UNUSED( library ); + FT_UNUSED( stream ); + FT_UNUSED( base_name ); + + + for ( i = 0; i < FT_RACCESS_N_RULES; i++ ) + { + new_names[i] = NULL; + offsets[i] = 0; + errors[i] = FT_ERR( Unimplemented_Feature ); + } + } + + +#endif /* !FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftsnames.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftsnames.c new file mode 100644 index 00000000000..90ea1e2be7b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftsnames.c @@ -0,0 +1,148 @@ +/***************************************************************************/ +/* */ +/* ftsnames.c */ +/* */ +/* Simple interface to access SFNT name tables (which are used */ +/* to hold font names, copyright info, notices, etc.) (body). */ +/* */ +/* This is _not_ used to retrieve glyph names! */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H + +#include FT_SFNT_NAMES_H +#include FT_INTERNAL_TRUETYPE_TYPES_H +#include FT_INTERNAL_STREAM_H + + +#ifdef TT_CONFIG_OPTION_SFNT_NAMES + + + /* documentation is in ftsnames.h */ + + FT_EXPORT_DEF( FT_UInt ) + FT_Get_Sfnt_Name_Count( FT_Face face ) + { + return ( face && FT_IS_SFNT( face ) ) ? ((TT_Face)face)->num_names : 0; + } + + + /* documentation is in ftsnames.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Sfnt_Name( FT_Face face, + FT_UInt idx, + FT_SfntName *aname ) + { + FT_Error error = FT_ERR( Invalid_Argument ); + + + if ( aname && face && FT_IS_SFNT( face ) ) + { + TT_Face ttface = (TT_Face)face; + + + if ( idx < (FT_UInt)ttface->num_names ) + { + TT_Name entry = ttface->name_table.names + idx; + + + /* load name on demand */ + if ( entry->stringLength > 0 && !entry->string ) + { + FT_Memory memory = face->memory; + FT_Stream stream = face->stream; + + + if ( FT_NEW_ARRAY ( entry->string, entry->stringLength ) || + FT_STREAM_SEEK( entry->stringOffset ) || + FT_STREAM_READ( entry->string, entry->stringLength ) ) + { + FT_FREE( entry->string ); + entry->stringLength = 0; + } + } + + aname->platform_id = entry->platformID; + aname->encoding_id = entry->encodingID; + aname->language_id = entry->languageID; + aname->name_id = entry->nameID; + aname->string = (FT_Byte*)entry->string; + aname->string_len = entry->stringLength; + + error = FT_Err_Ok; + } + } + + return error; + } + + + /* documentation is in ftsnames.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_Sfnt_LangTag( FT_Face face, + FT_UInt langID, + FT_SfntLangTag *alangTag ) + { + FT_Error error = FT_ERR( Invalid_Argument ); + + + if ( alangTag && face && FT_IS_SFNT( face ) ) + { + TT_Face ttface = (TT_Face)face; + + + if ( ttface->name_table.format != 1 ) + return FT_THROW( Invalid_Table ); + + if ( langID > 0x8000U && + langID - 0x8000U < ttface->name_table.numLangTagRecords ) + { + TT_LangTag entry = ttface->name_table.langTags + + ( langID - 0x8000U ); + + + /* load name on demand */ + if ( entry->stringLength > 0 && !entry->string ) + { + FT_Memory memory = face->memory; + FT_Stream stream = face->stream; + + + if ( FT_NEW_ARRAY ( entry->string, entry->stringLength ) || + FT_STREAM_SEEK( entry->stringOffset ) || + FT_STREAM_READ( entry->string, entry->stringLength ) ) + { + FT_FREE( entry->string ); + entry->stringLength = 0; + } + } + + alangTag->string = (FT_Byte*)entry->string; + alangTag->string_len = entry->stringLength; + + error = FT_Err_Ok; + } + } + + return error; + } + + +#endif /* TT_CONFIG_OPTION_SFNT_NAMES */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftstream.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftstream.c new file mode 100644 index 00000000000..18df7dcfef6 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftstream.c @@ -0,0 +1,860 @@ +/***************************************************************************/ +/* */ +/* ftstream.c */ +/* */ +/* I/O stream support (body). */ +/* */ +/* Copyright 2000-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_DEBUG_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_stream + + + FT_BASE_DEF( void ) + FT_Stream_OpenMemory( FT_Stream stream, + const FT_Byte* base, + FT_ULong size ) + { + stream->base = (FT_Byte*) base; + stream->size = size; + stream->pos = 0; + stream->cursor = NULL; + stream->read = NULL; + stream->close = NULL; + } + + + FT_BASE_DEF( void ) + FT_Stream_Close( FT_Stream stream ) + { + if ( stream && stream->close ) + stream->close( stream ); + } + + + FT_BASE_DEF( FT_Error ) + FT_Stream_Seek( FT_Stream stream, + FT_ULong pos ) + { + FT_Error error = FT_Err_Ok; + + + if ( stream->read ) + { + if ( stream->read( stream, pos, 0, 0 ) ) + { + FT_ERROR(( "FT_Stream_Seek:" + " invalid i/o; pos = 0x%lx, size = 0x%lx\n", + pos, stream->size )); + + error = FT_THROW( Invalid_Stream_Operation ); + } + } + /* note that seeking to the first position after the file is valid */ + else if ( pos > stream->size ) + { + FT_ERROR(( "FT_Stream_Seek:" + " invalid i/o; pos = 0x%lx, size = 0x%lx\n", + pos, stream->size )); + + error = FT_THROW( Invalid_Stream_Operation ); + } + + if ( !error ) + stream->pos = pos; + + return error; + } + + + FT_BASE_DEF( FT_Error ) + FT_Stream_Skip( FT_Stream stream, + FT_Long distance ) + { + if ( distance < 0 ) + return FT_THROW( Invalid_Stream_Operation ); + + return FT_Stream_Seek( stream, stream->pos + (FT_ULong)distance ); + } + + + FT_BASE_DEF( FT_ULong ) + FT_Stream_Pos( FT_Stream stream ) + { + return stream->pos; + } + + + FT_BASE_DEF( FT_Error ) + FT_Stream_Read( FT_Stream stream, + FT_Byte* buffer, + FT_ULong count ) + { + return FT_Stream_ReadAt( stream, stream->pos, buffer, count ); + } + + + FT_BASE_DEF( FT_Error ) + FT_Stream_ReadAt( FT_Stream stream, + FT_ULong pos, + FT_Byte* buffer, + FT_ULong count ) + { + FT_Error error = FT_Err_Ok; + FT_ULong read_bytes; + + + if ( pos >= stream->size ) + { + FT_ERROR(( "FT_Stream_ReadAt:" + " invalid i/o; pos = 0x%lx, size = 0x%lx\n", + pos, stream->size )); + + return FT_THROW( Invalid_Stream_Operation ); + } + + if ( stream->read ) + read_bytes = stream->read( stream, pos, buffer, count ); + else + { + read_bytes = stream->size - pos; + if ( read_bytes > count ) + read_bytes = count; + + FT_MEM_COPY( buffer, stream->base + pos, read_bytes ); + } + + stream->pos = pos + read_bytes; + + if ( read_bytes < count ) + { + FT_ERROR(( "FT_Stream_ReadAt:" + " invalid read; expected %lu bytes, got %lu\n", + count, read_bytes )); + + error = FT_THROW( Invalid_Stream_Operation ); + } + + return error; + } + + + FT_BASE_DEF( FT_ULong ) + FT_Stream_TryRead( FT_Stream stream, + FT_Byte* buffer, + FT_ULong count ) + { + FT_ULong read_bytes = 0; + + + if ( stream->pos >= stream->size ) + goto Exit; + + if ( stream->read ) + read_bytes = stream->read( stream, stream->pos, buffer, count ); + else + { + read_bytes = stream->size - stream->pos; + if ( read_bytes > count ) + read_bytes = count; + + FT_MEM_COPY( buffer, stream->base + stream->pos, read_bytes ); + } + + stream->pos += read_bytes; + + Exit: + return read_bytes; + } + + + FT_BASE_DEF( FT_Error ) + FT_Stream_ExtractFrame( FT_Stream stream, + FT_ULong count, + FT_Byte** pbytes ) + { + FT_Error error; + + + error = FT_Stream_EnterFrame( stream, count ); + if ( !error ) + { + *pbytes = (FT_Byte*)stream->cursor; + + /* equivalent to FT_Stream_ExitFrame(), with no memory block release */ + stream->cursor = NULL; + stream->limit = NULL; + } + + return error; + } + + + FT_BASE_DEF( void ) + FT_Stream_ReleaseFrame( FT_Stream stream, + FT_Byte** pbytes ) + { + if ( stream && stream->read ) + { + FT_Memory memory = stream->memory; + +#ifdef FT_DEBUG_MEMORY + ft_mem_free( memory, *pbytes ); + *pbytes = NULL; +#else + FT_FREE( *pbytes ); +#endif + } + *pbytes = NULL; + } + + + FT_BASE_DEF( FT_Error ) + FT_Stream_EnterFrame( FT_Stream stream, + FT_ULong count ) + { + FT_Error error = FT_Err_Ok; + FT_ULong read_bytes; + + + /* check for nested frame access */ + FT_ASSERT( stream && stream->cursor == 0 ); + + if ( stream->read ) + { + /* allocate the frame in memory */ + FT_Memory memory = stream->memory; + + + /* simple sanity check */ + if ( count > stream->size ) + { + FT_ERROR(( "FT_Stream_EnterFrame:" + " frame size (%lu) larger than stream size (%lu)\n", + count, stream->size )); + + error = FT_THROW( Invalid_Stream_Operation ); + goto Exit; + } + +#ifdef FT_DEBUG_MEMORY + /* assume _ft_debug_file and _ft_debug_lineno are already set */ + stream->base = (unsigned char*)ft_mem_qalloc( memory, + (FT_Long)count, + &error ); + if ( error ) + goto Exit; +#else + if ( FT_QALLOC( stream->base, count ) ) + goto Exit; +#endif + /* read it */ + read_bytes = stream->read( stream, stream->pos, + stream->base, count ); + if ( read_bytes < count ) + { + FT_ERROR(( "FT_Stream_EnterFrame:" + " invalid read; expected %lu bytes, got %lu\n", + count, read_bytes )); + + FT_FREE( stream->base ); + error = FT_THROW( Invalid_Stream_Operation ); + } + stream->cursor = stream->base; + stream->limit = stream->cursor + count; + stream->pos += read_bytes; + } + else + { + /* check current and new position */ + if ( stream->pos >= stream->size || + stream->size - stream->pos < count ) + { + FT_ERROR(( "FT_Stream_EnterFrame:" + " invalid i/o; pos = 0x%lx, count = %lu, size = 0x%lx\n", + stream->pos, count, stream->size )); + + error = FT_THROW( Invalid_Stream_Operation ); + goto Exit; + } + + /* set cursor */ + stream->cursor = stream->base + stream->pos; + stream->limit = stream->cursor + count; + stream->pos += count; + } + + Exit: + return error; + } + + + FT_BASE_DEF( void ) + FT_Stream_ExitFrame( FT_Stream stream ) + { + /* IMPORTANT: The assertion stream->cursor != 0 was removed, given */ + /* that it is possible to access a frame of length 0 in */ + /* some weird fonts (usually, when accessing an array of */ + /* 0 records, like in some strange kern tables). */ + /* */ + /* In this case, the loader code handles the 0-length table */ + /* gracefully; however, stream.cursor is really set to 0 by the */ + /* FT_Stream_EnterFrame() call, and this is not an error. */ + /* */ + FT_ASSERT( stream ); + + if ( stream->read ) + { + FT_Memory memory = stream->memory; + +#ifdef FT_DEBUG_MEMORY + ft_mem_free( memory, stream->base ); + stream->base = NULL; +#else + FT_FREE( stream->base ); +#endif + } + stream->cursor = NULL; + stream->limit = NULL; + } + + + FT_BASE_DEF( FT_Char ) + FT_Stream_GetChar( FT_Stream stream ) + { + FT_Char result; + + + FT_ASSERT( stream && stream->cursor ); + + result = 0; + if ( stream->cursor < stream->limit ) + result = (FT_Char)*stream->cursor++; + + return result; + } + + + FT_BASE_DEF( FT_UShort ) + FT_Stream_GetUShort( FT_Stream stream ) + { + FT_Byte* p; + FT_UShort result; + + + FT_ASSERT( stream && stream->cursor ); + + result = 0; + p = stream->cursor; + if ( p + 1 < stream->limit ) + result = FT_NEXT_USHORT( p ); + stream->cursor = p; + + return result; + } + + + FT_BASE_DEF( FT_UShort ) + FT_Stream_GetUShortLE( FT_Stream stream ) + { + FT_Byte* p; + FT_UShort result; + + + FT_ASSERT( stream && stream->cursor ); + + result = 0; + p = stream->cursor; + if ( p + 1 < stream->limit ) + result = FT_NEXT_USHORT_LE( p ); + stream->cursor = p; + + return result; + } + + + FT_BASE_DEF( FT_ULong ) + FT_Stream_GetUOffset( FT_Stream stream ) + { + FT_Byte* p; + FT_ULong result; + + + FT_ASSERT( stream && stream->cursor ); + + result = 0; + p = stream->cursor; + if ( p + 2 < stream->limit ) + result = FT_NEXT_UOFF3( p ); + stream->cursor = p; + return result; + } + + + FT_BASE_DEF( FT_ULong ) + FT_Stream_GetULong( FT_Stream stream ) + { + FT_Byte* p; + FT_ULong result; + + + FT_ASSERT( stream && stream->cursor ); + + result = 0; + p = stream->cursor; + if ( p + 3 < stream->limit ) + result = FT_NEXT_ULONG( p ); + stream->cursor = p; + return result; + } + + + FT_BASE_DEF( FT_ULong ) + FT_Stream_GetULongLE( FT_Stream stream ) + { + FT_Byte* p; + FT_ULong result; + + + FT_ASSERT( stream && stream->cursor ); + + result = 0; + p = stream->cursor; + if ( p + 3 < stream->limit ) + result = FT_NEXT_ULONG_LE( p ); + stream->cursor = p; + return result; + } + + + FT_BASE_DEF( FT_Char ) + FT_Stream_ReadChar( FT_Stream stream, + FT_Error* error ) + { + FT_Byte result = 0; + + + FT_ASSERT( stream ); + + *error = FT_Err_Ok; + + if ( stream->read ) + { + if ( stream->read( stream, stream->pos, &result, 1L ) != 1L ) + goto Fail; + } + else + { + if ( stream->pos < stream->size ) + result = stream->base[stream->pos]; + else + goto Fail; + } + stream->pos++; + + return (FT_Char)result; + + Fail: + *error = FT_THROW( Invalid_Stream_Operation ); + FT_ERROR(( "FT_Stream_ReadChar:" + " invalid i/o; pos = 0x%lx, size = 0x%lx\n", + stream->pos, stream->size )); + + return 0; + } + + + FT_BASE_DEF( FT_UShort ) + FT_Stream_ReadUShort( FT_Stream stream, + FT_Error* error ) + { + FT_Byte reads[2]; + FT_Byte* p = 0; + FT_UShort result = 0; + + + FT_ASSERT( stream ); + + *error = FT_Err_Ok; + + if ( stream->pos + 1 < stream->size ) + { + if ( stream->read ) + { + if ( stream->read( stream, stream->pos, reads, 2L ) != 2L ) + goto Fail; + + p = reads; + } + else + p = stream->base + stream->pos; + + if ( p ) + result = FT_NEXT_USHORT( p ); + } + else + goto Fail; + + stream->pos += 2; + + return result; + + Fail: + *error = FT_THROW( Invalid_Stream_Operation ); + FT_ERROR(( "FT_Stream_ReadUShort:" + " invalid i/o; pos = 0x%lx, size = 0x%lx\n", + stream->pos, stream->size )); + + return 0; + } + + + FT_BASE_DEF( FT_UShort ) + FT_Stream_ReadUShortLE( FT_Stream stream, + FT_Error* error ) + { + FT_Byte reads[2]; + FT_Byte* p = 0; + FT_UShort result = 0; + + + FT_ASSERT( stream ); + + *error = FT_Err_Ok; + + if ( stream->pos + 1 < stream->size ) + { + if ( stream->read ) + { + if ( stream->read( stream, stream->pos, reads, 2L ) != 2L ) + goto Fail; + + p = reads; + } + else + p = stream->base + stream->pos; + + if ( p ) + result = FT_NEXT_USHORT_LE( p ); + } + else + goto Fail; + + stream->pos += 2; + + return result; + + Fail: + *error = FT_THROW( Invalid_Stream_Operation ); + FT_ERROR(( "FT_Stream_ReadUShortLE:" + " invalid i/o; pos = 0x%lx, size = 0x%lx\n", + stream->pos, stream->size )); + + return 0; + } + + + FT_BASE_DEF( FT_ULong ) + FT_Stream_ReadUOffset( FT_Stream stream, + FT_Error* error ) + { + FT_Byte reads[3]; + FT_Byte* p = 0; + FT_ULong result = 0; + + + FT_ASSERT( stream ); + + *error = FT_Err_Ok; + + if ( stream->pos + 2 < stream->size ) + { + if ( stream->read ) + { + if (stream->read( stream, stream->pos, reads, 3L ) != 3L ) + goto Fail; + + p = reads; + } + else + p = stream->base + stream->pos; + + if ( p ) + result = FT_NEXT_UOFF3( p ); + } + else + goto Fail; + + stream->pos += 3; + + return result; + + Fail: + *error = FT_THROW( Invalid_Stream_Operation ); + FT_ERROR(( "FT_Stream_ReadUOffset:" + " invalid i/o; pos = 0x%lx, size = 0x%lx\n", + stream->pos, stream->size )); + + return 0; + } + + + FT_BASE_DEF( FT_ULong ) + FT_Stream_ReadULong( FT_Stream stream, + FT_Error* error ) + { + FT_Byte reads[4]; + FT_Byte* p = 0; + FT_ULong result = 0; + + + FT_ASSERT( stream ); + + *error = FT_Err_Ok; + + if ( stream->pos + 3 < stream->size ) + { + if ( stream->read ) + { + if ( stream->read( stream, stream->pos, reads, 4L ) != 4L ) + goto Fail; + + p = reads; + } + else + p = stream->base + stream->pos; + + if ( p ) + result = FT_NEXT_ULONG( p ); + } + else + goto Fail; + + stream->pos += 4; + + return result; + + Fail: + *error = FT_THROW( Invalid_Stream_Operation ); + FT_ERROR(( "FT_Stream_ReadULong:" + " invalid i/o; pos = 0x%lx, size = 0x%lx\n", + stream->pos, stream->size )); + + return 0; + } + + + FT_BASE_DEF( FT_ULong ) + FT_Stream_ReadULongLE( FT_Stream stream, + FT_Error* error ) + { + FT_Byte reads[4]; + FT_Byte* p = 0; + FT_ULong result = 0; + + + FT_ASSERT( stream ); + + *error = FT_Err_Ok; + + if ( stream->pos + 3 < stream->size ) + { + if ( stream->read ) + { + if ( stream->read( stream, stream->pos, reads, 4L ) != 4L ) + goto Fail; + + p = reads; + } + else + p = stream->base + stream->pos; + + if ( p ) + result = FT_NEXT_ULONG_LE( p ); + } + else + goto Fail; + + stream->pos += 4; + + return result; + + Fail: + *error = FT_THROW( Invalid_Stream_Operation ); + FT_ERROR(( "FT_Stream_ReadULongLE:" + " invalid i/o; pos = 0x%lx, size = 0x%lx\n", + stream->pos, stream->size )); + + return 0; + } + + + FT_BASE_DEF( FT_Error ) + FT_Stream_ReadFields( FT_Stream stream, + const FT_Frame_Field* fields, + void* structure ) + { + FT_Error error; + FT_Bool frame_accessed = 0; + FT_Byte* cursor; + + + if ( !fields ) + return FT_THROW( Invalid_Argument ); + + if ( !stream ) + return FT_THROW( Invalid_Stream_Handle ); + + cursor = stream->cursor; + + error = FT_Err_Ok; + do + { + FT_ULong value; + FT_Int sign_shift; + FT_Byte* p; + + + switch ( fields->value ) + { + case ft_frame_start: /* access a new frame */ + error = FT_Stream_EnterFrame( stream, fields->offset ); + if ( error ) + goto Exit; + + frame_accessed = 1; + cursor = stream->cursor; + fields++; + continue; /* loop! */ + + case ft_frame_bytes: /* read a byte sequence */ + case ft_frame_skip: /* skip some bytes */ + { + FT_UInt len = fields->size; + + + if ( cursor + len > stream->limit ) + { + error = FT_THROW( Invalid_Stream_Operation ); + goto Exit; + } + + if ( fields->value == ft_frame_bytes ) + { + p = (FT_Byte*)structure + fields->offset; + FT_MEM_COPY( p, cursor, len ); + } + cursor += len; + fields++; + continue; + } + + case ft_frame_byte: + case ft_frame_schar: /* read a single byte */ + value = FT_NEXT_BYTE( cursor ); + sign_shift = 24; + break; + + case ft_frame_short_be: + case ft_frame_ushort_be: /* read a 2-byte big-endian short */ + value = FT_NEXT_USHORT( cursor ); + sign_shift = 16; + break; + + case ft_frame_short_le: + case ft_frame_ushort_le: /* read a 2-byte little-endian short */ + value = FT_NEXT_USHORT_LE( cursor ); + sign_shift = 16; + break; + + case ft_frame_long_be: + case ft_frame_ulong_be: /* read a 4-byte big-endian long */ + value = FT_NEXT_ULONG( cursor ); + sign_shift = 0; + break; + + case ft_frame_long_le: + case ft_frame_ulong_le: /* read a 4-byte little-endian long */ + value = FT_NEXT_ULONG_LE( cursor ); + sign_shift = 0; + break; + + case ft_frame_off3_be: + case ft_frame_uoff3_be: /* read a 3-byte big-endian long */ + value = FT_NEXT_UOFF3( cursor ); + sign_shift = 8; + break; + + case ft_frame_off3_le: + case ft_frame_uoff3_le: /* read a 3-byte little-endian long */ + value = FT_NEXT_UOFF3_LE( cursor ); + sign_shift = 8; + break; + + default: + /* otherwise, exit the loop */ + stream->cursor = cursor; + goto Exit; + } + + /* now, compute the signed value is necessary */ + if ( fields->value & FT_FRAME_OP_SIGNED ) + value = (FT_ULong)( (FT_Int32)( value << sign_shift ) >> sign_shift ); + + /* finally, store the value in the object */ + + p = (FT_Byte*)structure + fields->offset; + switch ( fields->size ) + { + case ( 8 / FT_CHAR_BIT ): + *(FT_Byte*)p = (FT_Byte)value; + break; + + case ( 16 / FT_CHAR_BIT ): + *(FT_UShort*)p = (FT_UShort)value; + break; + + case ( 32 / FT_CHAR_BIT ): + *(FT_UInt32*)p = (FT_UInt32)value; + break; + + default: /* for 64-bit systems */ + *(FT_ULong*)p = (FT_ULong)value; + } + + /* go to next field */ + fields++; + } + while ( 1 ); + + Exit: + /* close the frame if it was opened by this read */ + if ( frame_accessed ) + FT_Stream_ExitFrame( stream ); + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftstroke.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftstroke.c new file mode 100644 index 00000000000..6ae18190679 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftstroke.c @@ -0,0 +1,2469 @@ +/***************************************************************************/ +/* */ +/* ftstroke.c */ +/* */ +/* FreeType path stroker (body). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_STROKER_H +#include FT_TRIGONOMETRY_H +#include FT_OUTLINE_H +#include FT_INTERNAL_MEMORY_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H + +#include "basepic.h" + + + /* declare an extern to access `ft_outline_glyph_class' globally */ + /* allocated in `ftglyph.c', and use the FT_OUTLINE_GLYPH_CLASS_GET */ + /* macro to access it when FT_CONFIG_OPTION_PIC is defined */ +#ifndef FT_CONFIG_OPTION_PIC + FT_CALLBACK_TABLE const FT_Glyph_Class ft_outline_glyph_class; +#endif + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_StrokerBorder ) + FT_Outline_GetInsideBorder( FT_Outline* outline ) + { + FT_Orientation o = FT_Outline_Get_Orientation( outline ); + + + return o == FT_ORIENTATION_TRUETYPE ? FT_STROKER_BORDER_RIGHT + : FT_STROKER_BORDER_LEFT; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_StrokerBorder ) + FT_Outline_GetOutsideBorder( FT_Outline* outline ) + { + FT_Orientation o = FT_Outline_Get_Orientation( outline ); + + + return o == FT_ORIENTATION_TRUETYPE ? FT_STROKER_BORDER_LEFT + : FT_STROKER_BORDER_RIGHT; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** BEZIER COMPUTATIONS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#define FT_SMALL_CONIC_THRESHOLD ( FT_ANGLE_PI / 6 ) +#define FT_SMALL_CUBIC_THRESHOLD ( FT_ANGLE_PI / 8 ) + +#define FT_EPSILON 2 + +#define FT_IS_SMALL( x ) ( (x) > -FT_EPSILON && (x) < FT_EPSILON ) + + + static FT_Pos + ft_pos_abs( FT_Pos x ) + { + return x >= 0 ? x : -x; + } + + + static void + ft_conic_split( FT_Vector* base ) + { + FT_Pos a, b; + + + base[4].x = base[2].x; + b = base[1].x; + a = base[3].x = ( base[2].x + b ) / 2; + b = base[1].x = ( base[0].x + b ) / 2; + base[2].x = ( a + b ) / 2; + + base[4].y = base[2].y; + b = base[1].y; + a = base[3].y = ( base[2].y + b ) / 2; + b = base[1].y = ( base[0].y + b ) / 2; + base[2].y = ( a + b ) / 2; + } + + + static FT_Bool + ft_conic_is_small_enough( FT_Vector* base, + FT_Angle *angle_in, + FT_Angle *angle_out ) + { + FT_Vector d1, d2; + FT_Angle theta; + FT_Int close1, close2; + + + d1.x = base[1].x - base[2].x; + d1.y = base[1].y - base[2].y; + d2.x = base[0].x - base[1].x; + d2.y = base[0].y - base[1].y; + + close1 = FT_IS_SMALL( d1.x ) && FT_IS_SMALL( d1.y ); + close2 = FT_IS_SMALL( d2.x ) && FT_IS_SMALL( d2.y ); + + if ( close1 ) + { + if ( close2 ) + { + /* basically a point; */ + /* do nothing to retain original direction */ + } + else + { + *angle_in = + *angle_out = FT_Atan2( d2.x, d2.y ); + } + } + else /* !close1 */ + { + if ( close2 ) + { + *angle_in = + *angle_out = FT_Atan2( d1.x, d1.y ); + } + else + { + *angle_in = FT_Atan2( d1.x, d1.y ); + *angle_out = FT_Atan2( d2.x, d2.y ); + } + } + + theta = ft_pos_abs( FT_Angle_Diff( *angle_in, *angle_out ) ); + + return FT_BOOL( theta < FT_SMALL_CONIC_THRESHOLD ); + } + + + static void + ft_cubic_split( FT_Vector* base ) + { + FT_Pos a, b, c, d; + + + base[6].x = base[3].x; + c = base[1].x; + d = base[2].x; + base[1].x = a = ( base[0].x + c ) / 2; + base[5].x = b = ( base[3].x + d ) / 2; + c = ( c + d ) / 2; + base[2].x = a = ( a + c ) / 2; + base[4].x = b = ( b + c ) / 2; + base[3].x = ( a + b ) / 2; + + base[6].y = base[3].y; + c = base[1].y; + d = base[2].y; + base[1].y = a = ( base[0].y + c ) / 2; + base[5].y = b = ( base[3].y + d ) / 2; + c = ( c + d ) / 2; + base[2].y = a = ( a + c ) / 2; + base[4].y = b = ( b + c ) / 2; + base[3].y = ( a + b ) / 2; + } + + + /* Return the average of `angle1' and `angle2'. */ + /* This gives correct result even if `angle1' and `angle2' */ + /* have opposite signs. */ + static FT_Angle + ft_angle_mean( FT_Angle angle1, + FT_Angle angle2 ) + { + return angle1 + FT_Angle_Diff( angle1, angle2 ) / 2; + } + + + static FT_Bool + ft_cubic_is_small_enough( FT_Vector* base, + FT_Angle *angle_in, + FT_Angle *angle_mid, + FT_Angle *angle_out ) + { + FT_Vector d1, d2, d3; + FT_Angle theta1, theta2; + FT_Int close1, close2, close3; + + + d1.x = base[2].x - base[3].x; + d1.y = base[2].y - base[3].y; + d2.x = base[1].x - base[2].x; + d2.y = base[1].y - base[2].y; + d3.x = base[0].x - base[1].x; + d3.y = base[0].y - base[1].y; + + close1 = FT_IS_SMALL( d1.x ) && FT_IS_SMALL( d1.y ); + close2 = FT_IS_SMALL( d2.x ) && FT_IS_SMALL( d2.y ); + close3 = FT_IS_SMALL( d3.x ) && FT_IS_SMALL( d3.y ); + + if ( close1 ) + { + if ( close2 ) + { + if ( close3 ) + { + /* basically a point; */ + /* do nothing to retain original direction */ + } + else /* !close3 */ + { + *angle_in = + *angle_mid = + *angle_out = FT_Atan2( d3.x, d3.y ); + } + } + else /* !close2 */ + { + if ( close3 ) + { + *angle_in = + *angle_mid = + *angle_out = FT_Atan2( d2.x, d2.y ); + } + else /* !close3 */ + { + *angle_in = + *angle_mid = FT_Atan2( d2.x, d2.y ); + *angle_out = FT_Atan2( d3.x, d3.y ); + } + } + } + else /* !close1 */ + { + if ( close2 ) + { + if ( close3 ) + { + *angle_in = + *angle_mid = + *angle_out = FT_Atan2( d1.x, d1.y ); + } + else /* !close3 */ + { + *angle_in = FT_Atan2( d1.x, d1.y ); + *angle_out = FT_Atan2( d3.x, d3.y ); + *angle_mid = ft_angle_mean( *angle_in, *angle_out ); + } + } + else /* !close2 */ + { + if ( close3 ) + { + *angle_in = FT_Atan2( d1.x, d1.y ); + *angle_mid = + *angle_out = FT_Atan2( d2.x, d2.y ); + } + else /* !close3 */ + { + *angle_in = FT_Atan2( d1.x, d1.y ); + *angle_mid = FT_Atan2( d2.x, d2.y ); + *angle_out = FT_Atan2( d3.x, d3.y ); + } + } + } + + theta1 = ft_pos_abs( FT_Angle_Diff( *angle_in, *angle_mid ) ); + theta2 = ft_pos_abs( FT_Angle_Diff( *angle_mid, *angle_out ) ); + + return FT_BOOL( theta1 < FT_SMALL_CUBIC_THRESHOLD && + theta2 < FT_SMALL_CUBIC_THRESHOLD ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** STROKE BORDERS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef enum FT_StrokeTags_ + { + FT_STROKE_TAG_ON = 1, /* on-curve point */ + FT_STROKE_TAG_CUBIC = 2, /* cubic off-point */ + FT_STROKE_TAG_BEGIN = 4, /* sub-path start */ + FT_STROKE_TAG_END = 8 /* sub-path end */ + + } FT_StrokeTags; + +#define FT_STROKE_TAG_BEGIN_END ( FT_STROKE_TAG_BEGIN | FT_STROKE_TAG_END ) + + typedef struct FT_StrokeBorderRec_ + { + FT_UInt num_points; + FT_UInt max_points; + FT_Vector* points; + FT_Byte* tags; + FT_Bool movable; /* TRUE for ends of lineto borders */ + FT_Int start; /* index of current sub-path start point */ + FT_Memory memory; + FT_Bool valid; + + } FT_StrokeBorderRec, *FT_StrokeBorder; + + + static FT_Error + ft_stroke_border_grow( FT_StrokeBorder border, + FT_UInt new_points ) + { + FT_UInt old_max = border->max_points; + FT_UInt new_max = border->num_points + new_points; + FT_Error error = FT_Err_Ok; + + + if ( new_max > old_max ) + { + FT_UInt cur_max = old_max; + FT_Memory memory = border->memory; + + + while ( cur_max < new_max ) + cur_max += ( cur_max >> 1 ) + 16; + + if ( FT_RENEW_ARRAY( border->points, old_max, cur_max ) || + FT_RENEW_ARRAY( border->tags, old_max, cur_max ) ) + goto Exit; + + border->max_points = cur_max; + } + + Exit: + return error; + } + + + static void + ft_stroke_border_close( FT_StrokeBorder border, + FT_Bool reverse ) + { + FT_UInt start = (FT_UInt)border->start; + FT_UInt count = border->num_points; + + + FT_ASSERT( border->start >= 0 ); + + /* don't record empty paths! */ + if ( count <= start + 1U ) + border->num_points = start; + else + { + /* copy the last point to the start of this sub-path, since */ + /* it contains the `adjusted' starting coordinates */ + border->num_points = --count; + border->points[start] = border->points[count]; + + if ( reverse ) + { + /* reverse the points */ + { + FT_Vector* vec1 = border->points + start + 1; + FT_Vector* vec2 = border->points + count - 1; + + + for ( ; vec1 < vec2; vec1++, vec2-- ) + { + FT_Vector tmp; + + + tmp = *vec1; + *vec1 = *vec2; + *vec2 = tmp; + } + } + + /* then the tags */ + { + FT_Byte* tag1 = border->tags + start + 1; + FT_Byte* tag2 = border->tags + count - 1; + + + for ( ; tag1 < tag2; tag1++, tag2-- ) + { + FT_Byte tmp; + + + tmp = *tag1; + *tag1 = *tag2; + *tag2 = tmp; + } + } + } + + border->tags[start ] |= FT_STROKE_TAG_BEGIN; + border->tags[count - 1] |= FT_STROKE_TAG_END; + } + + border->start = -1; + border->movable = FALSE; + } + + + static FT_Error + ft_stroke_border_lineto( FT_StrokeBorder border, + FT_Vector* to, + FT_Bool movable ) + { + FT_Error error = FT_Err_Ok; + + + FT_ASSERT( border->start >= 0 ); + + if ( border->movable ) + { + /* move last point */ + border->points[border->num_points - 1] = *to; + } + else + { + /* don't add zero-length lineto */ + if ( border->num_points > 0 && + FT_IS_SMALL( border->points[border->num_points - 1].x - to->x ) && + FT_IS_SMALL( border->points[border->num_points - 1].y - to->y ) ) + return error; + + /* add one point */ + error = ft_stroke_border_grow( border, 1 ); + if ( !error ) + { + FT_Vector* vec = border->points + border->num_points; + FT_Byte* tag = border->tags + border->num_points; + + + vec[0] = *to; + tag[0] = FT_STROKE_TAG_ON; + + border->num_points += 1; + } + } + border->movable = movable; + return error; + } + + + static FT_Error + ft_stroke_border_conicto( FT_StrokeBorder border, + FT_Vector* control, + FT_Vector* to ) + { + FT_Error error; + + + FT_ASSERT( border->start >= 0 ); + + error = ft_stroke_border_grow( border, 2 ); + if ( !error ) + { + FT_Vector* vec = border->points + border->num_points; + FT_Byte* tag = border->tags + border->num_points; + + + vec[0] = *control; + vec[1] = *to; + + tag[0] = 0; + tag[1] = FT_STROKE_TAG_ON; + + border->num_points += 2; + } + + border->movable = FALSE; + + return error; + } + + + static FT_Error + ft_stroke_border_cubicto( FT_StrokeBorder border, + FT_Vector* control1, + FT_Vector* control2, + FT_Vector* to ) + { + FT_Error error; + + + FT_ASSERT( border->start >= 0 ); + + error = ft_stroke_border_grow( border, 3 ); + if ( !error ) + { + FT_Vector* vec = border->points + border->num_points; + FT_Byte* tag = border->tags + border->num_points; + + + vec[0] = *control1; + vec[1] = *control2; + vec[2] = *to; + + tag[0] = FT_STROKE_TAG_CUBIC; + tag[1] = FT_STROKE_TAG_CUBIC; + tag[2] = FT_STROKE_TAG_ON; + + border->num_points += 3; + } + + border->movable = FALSE; + + return error; + } + + +#define FT_ARC_CUBIC_ANGLE ( FT_ANGLE_PI / 2 ) + + + static FT_Error + ft_stroke_border_arcto( FT_StrokeBorder border, + FT_Vector* center, + FT_Fixed radius, + FT_Angle angle_start, + FT_Angle angle_diff ) + { + FT_Angle total, angle, step, rotate, next, theta; + FT_Vector a, b, a2, b2; + FT_Fixed length; + FT_Error error = FT_Err_Ok; + + + /* compute start point */ + FT_Vector_From_Polar( &a, radius, angle_start ); + a.x += center->x; + a.y += center->y; + + total = angle_diff; + angle = angle_start; + rotate = ( angle_diff >= 0 ) ? FT_ANGLE_PI2 : -FT_ANGLE_PI2; + + while ( total != 0 ) + { + step = total; + if ( step > FT_ARC_CUBIC_ANGLE ) + step = FT_ARC_CUBIC_ANGLE; + + else if ( step < -FT_ARC_CUBIC_ANGLE ) + step = -FT_ARC_CUBIC_ANGLE; + + next = angle + step; + theta = step; + if ( theta < 0 ) + theta = -theta; + + theta >>= 1; + + /* compute end point */ + FT_Vector_From_Polar( &b, radius, next ); + b.x += center->x; + b.y += center->y; + + /* compute first and second control points */ + length = FT_MulDiv( radius, FT_Sin( theta ) * 4, + ( 0x10000L + FT_Cos( theta ) ) * 3 ); + + FT_Vector_From_Polar( &a2, length, angle + rotate ); + a2.x += a.x; + a2.y += a.y; + + FT_Vector_From_Polar( &b2, length, next - rotate ); + b2.x += b.x; + b2.y += b.y; + + /* add cubic arc */ + error = ft_stroke_border_cubicto( border, &a2, &b2, &b ); + if ( error ) + break; + + /* process the rest of the arc ?? */ + a = b; + total -= step; + angle = next; + } + + return error; + } + + + static FT_Error + ft_stroke_border_moveto( FT_StrokeBorder border, + FT_Vector* to ) + { + /* close current open path if any ? */ + if ( border->start >= 0 ) + ft_stroke_border_close( border, FALSE ); + + border->start = (FT_Int)border->num_points; + border->movable = FALSE; + + return ft_stroke_border_lineto( border, to, FALSE ); + } + + + static void + ft_stroke_border_init( FT_StrokeBorder border, + FT_Memory memory ) + { + border->memory = memory; + border->points = NULL; + border->tags = NULL; + + border->num_points = 0; + border->max_points = 0; + border->start = -1; + border->valid = FALSE; + } + + + static void + ft_stroke_border_reset( FT_StrokeBorder border ) + { + border->num_points = 0; + border->start = -1; + border->valid = FALSE; + } + + + static void + ft_stroke_border_done( FT_StrokeBorder border ) + { + FT_Memory memory = border->memory; + + + FT_FREE( border->points ); + FT_FREE( border->tags ); + + border->num_points = 0; + border->max_points = 0; + border->start = -1; + border->valid = FALSE; + } + + + static FT_Error + ft_stroke_border_get_counts( FT_StrokeBorder border, + FT_UInt *anum_points, + FT_UInt *anum_contours ) + { + FT_Error error = FT_Err_Ok; + FT_UInt num_points = 0; + FT_UInt num_contours = 0; + + FT_UInt count = border->num_points; + FT_Vector* point = border->points; + FT_Byte* tags = border->tags; + FT_Int in_contour = 0; + + + for ( ; count > 0; count--, num_points++, point++, tags++ ) + { + if ( tags[0] & FT_STROKE_TAG_BEGIN ) + { + if ( in_contour != 0 ) + goto Fail; + + in_contour = 1; + } + else if ( in_contour == 0 ) + goto Fail; + + if ( tags[0] & FT_STROKE_TAG_END ) + { + in_contour = 0; + num_contours++; + } + } + + if ( in_contour != 0 ) + goto Fail; + + border->valid = TRUE; + + Exit: + *anum_points = num_points; + *anum_contours = num_contours; + return error; + + Fail: + num_points = 0; + num_contours = 0; + goto Exit; + } + + + static void + ft_stroke_border_export( FT_StrokeBorder border, + FT_Outline* outline ) + { + /* copy point locations */ + if ( border->num_points ) + FT_ARRAY_COPY( outline->points + outline->n_points, + border->points, + border->num_points ); + + /* copy tags */ + { + FT_UInt count = border->num_points; + FT_Byte* read = border->tags; + FT_Byte* write = (FT_Byte*)outline->tags + outline->n_points; + + + for ( ; count > 0; count--, read++, write++ ) + { + if ( *read & FT_STROKE_TAG_ON ) + *write = FT_CURVE_TAG_ON; + else if ( *read & FT_STROKE_TAG_CUBIC ) + *write = FT_CURVE_TAG_CUBIC; + else + *write = FT_CURVE_TAG_CONIC; + } + } + + /* copy contours */ + { + FT_UInt count = border->num_points; + FT_Byte* tags = border->tags; + FT_Short* write = outline->contours + outline->n_contours; + FT_Short idx = (FT_Short)outline->n_points; + + + for ( ; count > 0; count--, tags++, idx++ ) + { + if ( *tags & FT_STROKE_TAG_END ) + { + *write++ = idx; + outline->n_contours++; + } + } + } + + outline->n_points += (short)border->num_points; + + FT_ASSERT( FT_Outline_Check( outline ) == 0 ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** STROKER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#define FT_SIDE_TO_ROTATE( s ) ( FT_ANGLE_PI2 - (s) * FT_ANGLE_PI ) + + typedef struct FT_StrokerRec_ + { + FT_Angle angle_in; /* direction into curr join */ + FT_Angle angle_out; /* direction out of join */ + FT_Vector center; /* current position */ + FT_Fixed line_length; /* length of last lineto */ + FT_Bool first_point; /* is this the start? */ + FT_Bool subpath_open; /* is the subpath open? */ + FT_Angle subpath_angle; /* subpath start direction */ + FT_Vector subpath_start; /* subpath start position */ + FT_Fixed subpath_line_length; /* subpath start lineto len */ + FT_Bool handle_wide_strokes; /* use wide strokes logic? */ + + FT_Stroker_LineCap line_cap; + FT_Stroker_LineJoin line_join; + FT_Stroker_LineJoin line_join_saved; + FT_Fixed miter_limit; + FT_Fixed radius; + + FT_StrokeBorderRec borders[2]; + FT_Library library; + + } FT_StrokerRec; + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Stroker_New( FT_Library library, + FT_Stroker *astroker ) + { + FT_Error error; /* assigned in FT_NEW */ + FT_Memory memory; + FT_Stroker stroker = NULL; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !astroker ) + return FT_THROW( Invalid_Argument ); + + memory = library->memory; + + if ( !FT_NEW( stroker ) ) + { + stroker->library = library; + + ft_stroke_border_init( &stroker->borders[0], memory ); + ft_stroke_border_init( &stroker->borders[1], memory ); + } + + *astroker = stroker; + + return error; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( void ) + FT_Stroker_Set( FT_Stroker stroker, + FT_Fixed radius, + FT_Stroker_LineCap line_cap, + FT_Stroker_LineJoin line_join, + FT_Fixed miter_limit ) + { + if ( !stroker ) + return; + + stroker->radius = radius; + stroker->line_cap = line_cap; + stroker->line_join = line_join; + stroker->miter_limit = miter_limit; + + /* ensure miter limit has sensible value */ + if ( stroker->miter_limit < 0x10000L ) + stroker->miter_limit = 0x10000L; + + /* save line join style: */ + /* line join style can be temporarily changed when stroking curves */ + stroker->line_join_saved = line_join; + + FT_Stroker_Rewind( stroker ); + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( void ) + FT_Stroker_Rewind( FT_Stroker stroker ) + { + if ( stroker ) + { + ft_stroke_border_reset( &stroker->borders[0] ); + ft_stroke_border_reset( &stroker->borders[1] ); + } + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( void ) + FT_Stroker_Done( FT_Stroker stroker ) + { + if ( stroker ) + { + FT_Memory memory = stroker->library->memory; + + + ft_stroke_border_done( &stroker->borders[0] ); + ft_stroke_border_done( &stroker->borders[1] ); + + stroker->library = NULL; + FT_FREE( stroker ); + } + } + + + /* create a circular arc at a corner or cap */ + static FT_Error + ft_stroker_arcto( FT_Stroker stroker, + FT_Int side ) + { + FT_Angle total, rotate; + FT_Fixed radius = stroker->radius; + FT_Error error = FT_Err_Ok; + FT_StrokeBorder border = stroker->borders + side; + + + rotate = FT_SIDE_TO_ROTATE( side ); + + total = FT_Angle_Diff( stroker->angle_in, stroker->angle_out ); + if ( total == FT_ANGLE_PI ) + total = -rotate * 2; + + error = ft_stroke_border_arcto( border, + &stroker->center, + radius, + stroker->angle_in + rotate, + total ); + border->movable = FALSE; + return error; + } + + + /* add a cap at the end of an opened path */ + static FT_Error + ft_stroker_cap( FT_Stroker stroker, + FT_Angle angle, + FT_Int side ) + { + FT_Error error = FT_Err_Ok; + + + if ( stroker->line_cap == FT_STROKER_LINECAP_ROUND ) + { + /* add a round cap */ + stroker->angle_in = angle; + stroker->angle_out = angle + FT_ANGLE_PI; + + error = ft_stroker_arcto( stroker, side ); + } + else if ( stroker->line_cap == FT_STROKER_LINECAP_SQUARE ) + { + /* add a square cap */ + FT_Vector delta, delta2; + FT_Angle rotate = FT_SIDE_TO_ROTATE( side ); + FT_Fixed radius = stroker->radius; + FT_StrokeBorder border = stroker->borders + side; + + + FT_Vector_From_Polar( &delta2, radius, angle + rotate ); + FT_Vector_From_Polar( &delta, radius, angle ); + + delta.x += stroker->center.x + delta2.x; + delta.y += stroker->center.y + delta2.y; + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + if ( error ) + goto Exit; + + FT_Vector_From_Polar( &delta2, radius, angle - rotate ); + FT_Vector_From_Polar( &delta, radius, angle ); + + delta.x += delta2.x + stroker->center.x; + delta.y += delta2.y + stroker->center.y; + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + } + else if ( stroker->line_cap == FT_STROKER_LINECAP_BUTT ) + { + /* add a butt ending */ + FT_Vector delta; + FT_Angle rotate = FT_SIDE_TO_ROTATE( side ); + FT_Fixed radius = stroker->radius; + FT_StrokeBorder border = stroker->borders + side; + + + FT_Vector_From_Polar( &delta, radius, angle + rotate ); + + delta.x += stroker->center.x; + delta.y += stroker->center.y; + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + if ( error ) + goto Exit; + + FT_Vector_From_Polar( &delta, radius, angle - rotate ); + + delta.x += stroker->center.x; + delta.y += stroker->center.y; + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + } + + Exit: + return error; + } + + + /* process an inside corner, i.e. compute intersection */ + static FT_Error + ft_stroker_inside( FT_Stroker stroker, + FT_Int side, + FT_Fixed line_length ) + { + FT_StrokeBorder border = stroker->borders + side; + FT_Angle phi, theta, rotate; + FT_Fixed length, thcos; + FT_Vector delta; + FT_Error error = FT_Err_Ok; + FT_Bool intersect; /* use intersection of lines? */ + + + rotate = FT_SIDE_TO_ROTATE( side ); + + theta = FT_Angle_Diff( stroker->angle_in, stroker->angle_out ) / 2; + + /* Only intersect borders if between two lineto's and both */ + /* lines are long enough (line_length is zero for curves). */ + /* Also avoid U-turns of nearly 180 degree. */ + if ( !border->movable || line_length == 0 || + theta > 0x59C000 || theta < -0x59C000 ) + intersect = FALSE; + else + { + /* compute minimum required length of lines */ + FT_Fixed min_length = ft_pos_abs( FT_MulFix( stroker->radius, + FT_Tan( theta ) ) ); + + + intersect = FT_BOOL( min_length && + stroker->line_length >= min_length && + line_length >= min_length ); + } + + if ( !intersect ) + { + FT_Vector_From_Polar( &delta, stroker->radius, + stroker->angle_out + rotate ); + delta.x += stroker->center.x; + delta.y += stroker->center.y; + + border->movable = FALSE; + } + else + { + /* compute median angle */ + phi = stroker->angle_in + theta; + + thcos = FT_Cos( theta ); + + length = FT_DivFix( stroker->radius, thcos ); + + FT_Vector_From_Polar( &delta, length, phi + rotate ); + delta.x += stroker->center.x; + delta.y += stroker->center.y; + } + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + + return error; + } + + + /* process an outside corner, i.e. compute bevel/miter/round */ + static FT_Error + ft_stroker_outside( FT_Stroker stroker, + FT_Int side, + FT_Fixed line_length ) + { + FT_StrokeBorder border = stroker->borders + side; + FT_Error error; + FT_Angle rotate; + + + if ( stroker->line_join == FT_STROKER_LINEJOIN_ROUND ) + error = ft_stroker_arcto( stroker, side ); + else + { + /* this is a mitered (pointed) or beveled (truncated) corner */ + FT_Fixed sigma = 0, radius = stroker->radius; + FT_Angle theta = 0, phi = 0; + FT_Fixed thcos = 0; + FT_Bool bevel, fixed_bevel; + + + rotate = FT_SIDE_TO_ROTATE( side ); + + bevel = + FT_BOOL( stroker->line_join == FT_STROKER_LINEJOIN_BEVEL ); + + fixed_bevel = + FT_BOOL( stroker->line_join != FT_STROKER_LINEJOIN_MITER_VARIABLE ); + + if ( !bevel ) + { + theta = FT_Angle_Diff( stroker->angle_in, stroker->angle_out ); + + if ( theta == FT_ANGLE_PI ) + { + theta = rotate; + phi = stroker->angle_in; + } + else + { + theta /= 2; + phi = stroker->angle_in + theta + rotate; + } + + thcos = FT_Cos( theta ); + sigma = FT_MulFix( stroker->miter_limit, thcos ); + + /* is miter limit exceeded? */ + if ( sigma < 0x10000L ) + { + /* don't create variable bevels for very small deviations; */ + /* FT_Sin(x) = 0 for x <= 57 */ + if ( fixed_bevel || ft_pos_abs( theta ) > 57 ) + bevel = TRUE; + } + } + + if ( bevel ) /* this is a bevel (broken angle) */ + { + if ( fixed_bevel ) + { + /* the outer corners are simply joined together */ + FT_Vector delta; + + + /* add bevel */ + FT_Vector_From_Polar( &delta, + radius, + stroker->angle_out + rotate ); + delta.x += stroker->center.x; + delta.y += stroker->center.y; + + border->movable = FALSE; + error = ft_stroke_border_lineto( border, &delta, FALSE ); + } + else /* variable bevel */ + { + /* the miter is truncated */ + FT_Vector middle, delta; + FT_Fixed length; + + + /* compute middle point */ + FT_Vector_From_Polar( &middle, + FT_MulFix( radius, stroker->miter_limit ), + phi ); + middle.x += stroker->center.x; + middle.y += stroker->center.y; + + /* compute first angle point */ + length = FT_MulDiv( radius, 0x10000L - sigma, + ft_pos_abs( FT_Sin( theta ) ) ); + + FT_Vector_From_Polar( &delta, length, phi + rotate ); + delta.x += middle.x; + delta.y += middle.y; + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + if ( error ) + goto Exit; + + /* compute second angle point */ + FT_Vector_From_Polar( &delta, length, phi - rotate ); + delta.x += middle.x; + delta.y += middle.y; + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + if ( error ) + goto Exit; + + /* finally, add an end point; only needed if not lineto */ + /* (line_length is zero for curves) */ + if ( line_length == 0 ) + { + FT_Vector_From_Polar( &delta, + radius, + stroker->angle_out + rotate ); + + delta.x += stroker->center.x; + delta.y += stroker->center.y; + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + } + } + } + else /* this is a miter (intersection) */ + { + FT_Fixed length; + FT_Vector delta; + + + length = FT_DivFix( stroker->radius, thcos ); + + FT_Vector_From_Polar( &delta, length, phi ); + delta.x += stroker->center.x; + delta.y += stroker->center.y; + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + if ( error ) + goto Exit; + + /* now add an end point; only needed if not lineto */ + /* (line_length is zero for curves) */ + if ( line_length == 0 ) + { + FT_Vector_From_Polar( &delta, + stroker->radius, + stroker->angle_out + rotate ); + delta.x += stroker->center.x; + delta.y += stroker->center.y; + + error = ft_stroke_border_lineto( border, &delta, FALSE ); + } + } + } + + Exit: + return error; + } + + + static FT_Error + ft_stroker_process_corner( FT_Stroker stroker, + FT_Fixed line_length ) + { + FT_Error error = FT_Err_Ok; + FT_Angle turn; + FT_Int inside_side; + + + turn = FT_Angle_Diff( stroker->angle_in, stroker->angle_out ); + + /* no specific corner processing is required if the turn is 0 */ + if ( turn == 0 ) + goto Exit; + + /* when we turn to the right, the inside side is 0 */ + /* otherwise, the inside side is 1 */ + inside_side = ( turn < 0 ); + + /* process the inside side */ + error = ft_stroker_inside( stroker, inside_side, line_length ); + if ( error ) + goto Exit; + + /* process the outside side */ + error = ft_stroker_outside( stroker, !inside_side, line_length ); + + Exit: + return error; + } + + + /* add two points to the left and right borders corresponding to the */ + /* start of the subpath */ + static FT_Error + ft_stroker_subpath_start( FT_Stroker stroker, + FT_Angle start_angle, + FT_Fixed line_length ) + { + FT_Vector delta; + FT_Vector point; + FT_Error error; + FT_StrokeBorder border; + + + FT_Vector_From_Polar( &delta, stroker->radius, + start_angle + FT_ANGLE_PI2 ); + + point.x = stroker->center.x + delta.x; + point.y = stroker->center.y + delta.y; + + border = stroker->borders; + error = ft_stroke_border_moveto( border, &point ); + if ( error ) + goto Exit; + + point.x = stroker->center.x - delta.x; + point.y = stroker->center.y - delta.y; + + border++; + error = ft_stroke_border_moveto( border, &point ); + + /* save angle, position, and line length for last join */ + /* (line_length is zero for curves) */ + stroker->subpath_angle = start_angle; + stroker->first_point = FALSE; + stroker->subpath_line_length = line_length; + + Exit: + return error; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Stroker_LineTo( FT_Stroker stroker, + FT_Vector* to ) + { + FT_Error error = FT_Err_Ok; + FT_StrokeBorder border; + FT_Vector delta; + FT_Angle angle; + FT_Int side; + FT_Fixed line_length; + + + if ( !stroker || !to ) + return FT_THROW( Invalid_Argument ); + + delta.x = to->x - stroker->center.x; + delta.y = to->y - stroker->center.y; + + /* a zero-length lineto is a no-op; avoid creating a spurious corner */ + if ( delta.x == 0 && delta.y == 0 ) + goto Exit; + + /* compute length of line */ + line_length = FT_Vector_Length( &delta ); + + angle = FT_Atan2( delta.x, delta.y ); + FT_Vector_From_Polar( &delta, stroker->radius, angle + FT_ANGLE_PI2 ); + + /* process corner if necessary */ + if ( stroker->first_point ) + { + /* This is the first segment of a subpath. We need to */ + /* add a point to each border at their respective starting */ + /* point locations. */ + error = ft_stroker_subpath_start( stroker, angle, line_length ); + if ( error ) + goto Exit; + } + else + { + /* process the current corner */ + stroker->angle_out = angle; + error = ft_stroker_process_corner( stroker, line_length ); + if ( error ) + goto Exit; + } + + /* now add a line segment to both the `inside' and `outside' paths */ + for ( border = stroker->borders, side = 1; side >= 0; side--, border++ ) + { + FT_Vector point; + + + point.x = to->x + delta.x; + point.y = to->y + delta.y; + + /* the ends of lineto borders are movable */ + error = ft_stroke_border_lineto( border, &point, TRUE ); + if ( error ) + goto Exit; + + delta.x = -delta.x; + delta.y = -delta.y; + } + + stroker->angle_in = angle; + stroker->center = *to; + stroker->line_length = line_length; + + Exit: + return error; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Stroker_ConicTo( FT_Stroker stroker, + FT_Vector* control, + FT_Vector* to ) + { + FT_Error error = FT_Err_Ok; + FT_Vector bez_stack[34]; + FT_Vector* arc; + FT_Vector* limit = bez_stack + 30; + FT_Bool first_arc = TRUE; + + + if ( !stroker || !control || !to ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + /* if all control points are coincident, this is a no-op; */ + /* avoid creating a spurious corner */ + if ( FT_IS_SMALL( stroker->center.x - control->x ) && + FT_IS_SMALL( stroker->center.y - control->y ) && + FT_IS_SMALL( control->x - to->x ) && + FT_IS_SMALL( control->y - to->y ) ) + { + stroker->center = *to; + goto Exit; + } + + arc = bez_stack; + arc[0] = *to; + arc[1] = *control; + arc[2] = stroker->center; + + while ( arc >= bez_stack ) + { + FT_Angle angle_in, angle_out; + + + /* initialize with current direction */ + angle_in = angle_out = stroker->angle_in; + + if ( arc < limit && + !ft_conic_is_small_enough( arc, &angle_in, &angle_out ) ) + { + if ( stroker->first_point ) + stroker->angle_in = angle_in; + + ft_conic_split( arc ); + arc += 2; + continue; + } + + if ( first_arc ) + { + first_arc = FALSE; + + /* process corner if necessary */ + if ( stroker->first_point ) + error = ft_stroker_subpath_start( stroker, angle_in, 0 ); + else + { + stroker->angle_out = angle_in; + error = ft_stroker_process_corner( stroker, 0 ); + } + } + else if ( ft_pos_abs( FT_Angle_Diff( stroker->angle_in, angle_in ) ) > + FT_SMALL_CONIC_THRESHOLD / 4 ) + { + /* if the deviation from one arc to the next is too great, */ + /* add a round corner */ + stroker->center = arc[2]; + stroker->angle_out = angle_in; + stroker->line_join = FT_STROKER_LINEJOIN_ROUND; + + error = ft_stroker_process_corner( stroker, 0 ); + + /* reinstate line join style */ + stroker->line_join = stroker->line_join_saved; + } + + if ( error ) + goto Exit; + + /* the arc's angle is small enough; we can add it directly to each */ + /* border */ + { + FT_Vector ctrl, end; + FT_Angle theta, phi, rotate, alpha0 = 0; + FT_Fixed length; + FT_StrokeBorder border; + FT_Int side; + + + theta = FT_Angle_Diff( angle_in, angle_out ) / 2; + phi = angle_in + theta; + length = FT_DivFix( stroker->radius, FT_Cos( theta ) ); + + /* compute direction of original arc */ + if ( stroker->handle_wide_strokes ) + alpha0 = FT_Atan2( arc[0].x - arc[2].x, arc[0].y - arc[2].y ); + + for ( border = stroker->borders, side = 0; + side <= 1; + side++, border++ ) + { + rotate = FT_SIDE_TO_ROTATE( side ); + + /* compute control point */ + FT_Vector_From_Polar( &ctrl, length, phi + rotate ); + ctrl.x += arc[1].x; + ctrl.y += arc[1].y; + + /* compute end point */ + FT_Vector_From_Polar( &end, stroker->radius, angle_out + rotate ); + end.x += arc[0].x; + end.y += arc[0].y; + + if ( stroker->handle_wide_strokes ) + { + FT_Vector start; + FT_Angle alpha1; + + + /* determine whether the border radius is greater than the */ + /* radius of curvature of the original arc */ + start = border->points[border->num_points - 1]; + + alpha1 = FT_Atan2( end.x - start.x, end.y - start.y ); + + /* is the direction of the border arc opposite to */ + /* that of the original arc? */ + if ( ft_pos_abs( FT_Angle_Diff( alpha0, alpha1 ) ) > + FT_ANGLE_PI / 2 ) + { + FT_Angle beta, gamma; + FT_Vector bvec, delta; + FT_Fixed blen, sinA, sinB, alen; + + + /* use the sine rule to find the intersection point */ + beta = FT_Atan2( arc[2].x - start.x, arc[2].y - start.y ); + gamma = FT_Atan2( arc[0].x - end.x, arc[0].y - end.y ); + + bvec.x = end.x - start.x; + bvec.y = end.y - start.y; + + blen = FT_Vector_Length( &bvec ); + + sinA = ft_pos_abs( FT_Sin( alpha1 - gamma ) ); + sinB = ft_pos_abs( FT_Sin( beta - gamma ) ); + + alen = FT_MulDiv( blen, sinA, sinB ); + + FT_Vector_From_Polar( &delta, alen, beta ); + delta.x += start.x; + delta.y += start.y; + + /* circumnavigate the negative sector backwards */ + border->movable = FALSE; + error = ft_stroke_border_lineto( border, &delta, FALSE ); + if ( error ) + goto Exit; + error = ft_stroke_border_lineto( border, &end, FALSE ); + if ( error ) + goto Exit; + error = ft_stroke_border_conicto( border, &ctrl, &start ); + if ( error ) + goto Exit; + /* and then move to the endpoint */ + error = ft_stroke_border_lineto( border, &end, FALSE ); + if ( error ) + goto Exit; + + continue; + } + + /* else fall through */ + } + + /* simply add an arc */ + error = ft_stroke_border_conicto( border, &ctrl, &end ); + if ( error ) + goto Exit; + } + } + + arc -= 2; + + stroker->angle_in = angle_out; + } + + stroker->center = *to; + + Exit: + return error; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Stroker_CubicTo( FT_Stroker stroker, + FT_Vector* control1, + FT_Vector* control2, + FT_Vector* to ) + { + FT_Error error = FT_Err_Ok; + FT_Vector bez_stack[37]; + FT_Vector* arc; + FT_Vector* limit = bez_stack + 32; + FT_Bool first_arc = TRUE; + + + if ( !stroker || !control1 || !control2 || !to ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + /* if all control points are coincident, this is a no-op; */ + /* avoid creating a spurious corner */ + if ( FT_IS_SMALL( stroker->center.x - control1->x ) && + FT_IS_SMALL( stroker->center.y - control1->y ) && + FT_IS_SMALL( control1->x - control2->x ) && + FT_IS_SMALL( control1->y - control2->y ) && + FT_IS_SMALL( control2->x - to->x ) && + FT_IS_SMALL( control2->y - to->y ) ) + { + stroker->center = *to; + goto Exit; + } + + arc = bez_stack; + arc[0] = *to; + arc[1] = *control2; + arc[2] = *control1; + arc[3] = stroker->center; + + while ( arc >= bez_stack ) + { + FT_Angle angle_in, angle_mid, angle_out; + + + /* initialize with current direction */ + angle_in = angle_out = angle_mid = stroker->angle_in; + + if ( arc < limit && + !ft_cubic_is_small_enough( arc, &angle_in, + &angle_mid, &angle_out ) ) + { + if ( stroker->first_point ) + stroker->angle_in = angle_in; + + ft_cubic_split( arc ); + arc += 3; + continue; + } + + if ( first_arc ) + { + first_arc = FALSE; + + /* process corner if necessary */ + if ( stroker->first_point ) + error = ft_stroker_subpath_start( stroker, angle_in, 0 ); + else + { + stroker->angle_out = angle_in; + error = ft_stroker_process_corner( stroker, 0 ); + } + } + else if ( ft_pos_abs( FT_Angle_Diff( stroker->angle_in, angle_in ) ) > + FT_SMALL_CUBIC_THRESHOLD / 4 ) + { + /* if the deviation from one arc to the next is too great, */ + /* add a round corner */ + stroker->center = arc[3]; + stroker->angle_out = angle_in; + stroker->line_join = FT_STROKER_LINEJOIN_ROUND; + + error = ft_stroker_process_corner( stroker, 0 ); + + /* reinstate line join style */ + stroker->line_join = stroker->line_join_saved; + } + + if ( error ) + goto Exit; + + /* the arc's angle is small enough; we can add it directly to each */ + /* border */ + { + FT_Vector ctrl1, ctrl2, end; + FT_Angle theta1, phi1, theta2, phi2, rotate, alpha0 = 0; + FT_Fixed length1, length2; + FT_StrokeBorder border; + FT_Int side; + + + theta1 = FT_Angle_Diff( angle_in, angle_mid ) / 2; + theta2 = FT_Angle_Diff( angle_mid, angle_out ) / 2; + phi1 = ft_angle_mean( angle_in, angle_mid ); + phi2 = ft_angle_mean( angle_mid, angle_out ); + length1 = FT_DivFix( stroker->radius, FT_Cos( theta1 ) ); + length2 = FT_DivFix( stroker->radius, FT_Cos( theta2 ) ); + + /* compute direction of original arc */ + if ( stroker->handle_wide_strokes ) + alpha0 = FT_Atan2( arc[0].x - arc[3].x, arc[0].y - arc[3].y ); + + for ( border = stroker->borders, side = 0; + side <= 1; + side++, border++ ) + { + rotate = FT_SIDE_TO_ROTATE( side ); + + /* compute control points */ + FT_Vector_From_Polar( &ctrl1, length1, phi1 + rotate ); + ctrl1.x += arc[2].x; + ctrl1.y += arc[2].y; + + FT_Vector_From_Polar( &ctrl2, length2, phi2 + rotate ); + ctrl2.x += arc[1].x; + ctrl2.y += arc[1].y; + + /* compute end point */ + FT_Vector_From_Polar( &end, stroker->radius, angle_out + rotate ); + end.x += arc[0].x; + end.y += arc[0].y; + + if ( stroker->handle_wide_strokes ) + { + FT_Vector start; + FT_Angle alpha1; + + + /* determine whether the border radius is greater than the */ + /* radius of curvature of the original arc */ + start = border->points[border->num_points - 1]; + + alpha1 = FT_Atan2( end.x - start.x, end.y - start.y ); + + /* is the direction of the border arc opposite to */ + /* that of the original arc? */ + if ( ft_pos_abs( FT_Angle_Diff( alpha0, alpha1 ) ) > + FT_ANGLE_PI / 2 ) + { + FT_Angle beta, gamma; + FT_Vector bvec, delta; + FT_Fixed blen, sinA, sinB, alen; + + + /* use the sine rule to find the intersection point */ + beta = FT_Atan2( arc[3].x - start.x, arc[3].y - start.y ); + gamma = FT_Atan2( arc[0].x - end.x, arc[0].y - end.y ); + + bvec.x = end.x - start.x; + bvec.y = end.y - start.y; + + blen = FT_Vector_Length( &bvec ); + + sinA = ft_pos_abs( FT_Sin( alpha1 - gamma ) ); + sinB = ft_pos_abs( FT_Sin( beta - gamma ) ); + + alen = FT_MulDiv( blen, sinA, sinB ); + + FT_Vector_From_Polar( &delta, alen, beta ); + delta.x += start.x; + delta.y += start.y; + + /* circumnavigate the negative sector backwards */ + border->movable = FALSE; + error = ft_stroke_border_lineto( border, &delta, FALSE ); + if ( error ) + goto Exit; + error = ft_stroke_border_lineto( border, &end, FALSE ); + if ( error ) + goto Exit; + error = ft_stroke_border_cubicto( border, + &ctrl2, + &ctrl1, + &start ); + if ( error ) + goto Exit; + /* and then move to the endpoint */ + error = ft_stroke_border_lineto( border, &end, FALSE ); + if ( error ) + goto Exit; + + continue; + } + + /* else fall through */ + } + + /* simply add an arc */ + error = ft_stroke_border_cubicto( border, &ctrl1, &ctrl2, &end ); + if ( error ) + goto Exit; + } + } + + arc -= 3; + + stroker->angle_in = angle_out; + } + + stroker->center = *to; + + Exit: + return error; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Stroker_BeginSubPath( FT_Stroker stroker, + FT_Vector* to, + FT_Bool open ) + { + if ( !stroker || !to ) + return FT_THROW( Invalid_Argument ); + + /* We cannot process the first point, because there is not enough */ + /* information regarding its corner/cap. The latter will be processed */ + /* in the `FT_Stroker_EndSubPath' routine. */ + /* */ + stroker->first_point = TRUE; + stroker->center = *to; + stroker->subpath_open = open; + + /* Determine if we need to check whether the border radius is greater */ + /* than the radius of curvature of a curve, to handle this case */ + /* specially. This is only required if bevel joins or butt caps may */ + /* be created, because round & miter joins and round & square caps */ + /* cover the negative sector created with wide strokes. */ + stroker->handle_wide_strokes = + FT_BOOL( stroker->line_join != FT_STROKER_LINEJOIN_ROUND || + ( stroker->subpath_open && + stroker->line_cap == FT_STROKER_LINECAP_BUTT ) ); + + /* record the subpath start point for each border */ + stroker->subpath_start = *to; + + stroker->angle_in = 0; + + return FT_Err_Ok; + } + + + static FT_Error + ft_stroker_add_reverse_left( FT_Stroker stroker, + FT_Bool open ) + { + FT_StrokeBorder right = stroker->borders + 0; + FT_StrokeBorder left = stroker->borders + 1; + FT_Int new_points; + FT_Error error = FT_Err_Ok; + + + FT_ASSERT( left->start >= 0 ); + + new_points = (FT_Int)left->num_points - left->start; + if ( new_points > 0 ) + { + error = ft_stroke_border_grow( right, (FT_UInt)new_points ); + if ( error ) + goto Exit; + + { + FT_Vector* dst_point = right->points + right->num_points; + FT_Byte* dst_tag = right->tags + right->num_points; + FT_Vector* src_point = left->points + left->num_points - 1; + FT_Byte* src_tag = left->tags + left->num_points - 1; + + + while ( src_point >= left->points + left->start ) + { + *dst_point = *src_point; + *dst_tag = *src_tag; + + if ( open ) + dst_tag[0] &= ~FT_STROKE_TAG_BEGIN_END; + else + { + FT_Byte ttag = + (FT_Byte)( dst_tag[0] & FT_STROKE_TAG_BEGIN_END ); + + + /* switch begin/end tags if necessary */ + if ( ttag == FT_STROKE_TAG_BEGIN || + ttag == FT_STROKE_TAG_END ) + dst_tag[0] ^= FT_STROKE_TAG_BEGIN_END; + } + + src_point--; + src_tag--; + dst_point++; + dst_tag++; + } + } + + left->num_points = (FT_UInt)left->start; + right->num_points += (FT_UInt)new_points; + + right->movable = FALSE; + left->movable = FALSE; + } + + Exit: + return error; + } + + + /* documentation is in ftstroke.h */ + + /* there's a lot of magic in this function! */ + FT_EXPORT_DEF( FT_Error ) + FT_Stroker_EndSubPath( FT_Stroker stroker ) + { + FT_Error error = FT_Err_Ok; + + + if ( !stroker ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + if ( stroker->subpath_open ) + { + FT_StrokeBorder right = stroker->borders; + + + /* All right, this is an opened path, we need to add a cap between */ + /* right & left, add the reverse of left, then add a final cap */ + /* between left & right. */ + error = ft_stroker_cap( stroker, stroker->angle_in, 0 ); + if ( error ) + goto Exit; + + /* add reversed points from `left' to `right' */ + error = ft_stroker_add_reverse_left( stroker, TRUE ); + if ( error ) + goto Exit; + + /* now add the final cap */ + stroker->center = stroker->subpath_start; + error = ft_stroker_cap( stroker, + stroker->subpath_angle + FT_ANGLE_PI, 0 ); + if ( error ) + goto Exit; + + /* Now end the right subpath accordingly. The left one is */ + /* rewind and doesn't need further processing. */ + ft_stroke_border_close( right, FALSE ); + } + else + { + FT_Angle turn; + FT_Int inside_side; + + + /* close the path if needed */ + if ( stroker->center.x != stroker->subpath_start.x || + stroker->center.y != stroker->subpath_start.y ) + { + error = FT_Stroker_LineTo( stroker, &stroker->subpath_start ); + if ( error ) + goto Exit; + } + + /* process the corner */ + stroker->angle_out = stroker->subpath_angle; + turn = FT_Angle_Diff( stroker->angle_in, + stroker->angle_out ); + + /* no specific corner processing is required if the turn is 0 */ + if ( turn != 0 ) + { + /* when we turn to the right, the inside side is 0 */ + /* otherwise, the inside side is 1 */ + inside_side = ( turn < 0 ); + + error = ft_stroker_inside( stroker, + inside_side, + stroker->subpath_line_length ); + if ( error ) + goto Exit; + + /* process the outside side */ + error = ft_stroker_outside( stroker, + !inside_side, + stroker->subpath_line_length ); + if ( error ) + goto Exit; + } + + /* then end our two subpaths */ + ft_stroke_border_close( stroker->borders + 0, FALSE ); + ft_stroke_border_close( stroker->borders + 1, TRUE ); + } + + Exit: + return error; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Stroker_GetBorderCounts( FT_Stroker stroker, + FT_StrokerBorder border, + FT_UInt *anum_points, + FT_UInt *anum_contours ) + { + FT_UInt num_points = 0, num_contours = 0; + FT_Error error; + + + if ( !stroker || border > 1 ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + error = ft_stroke_border_get_counts( stroker->borders + border, + &num_points, &num_contours ); + Exit: + if ( anum_points ) + *anum_points = num_points; + + if ( anum_contours ) + *anum_contours = num_contours; + + return error; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Stroker_GetCounts( FT_Stroker stroker, + FT_UInt *anum_points, + FT_UInt *anum_contours ) + { + FT_UInt count1, count2, num_points = 0; + FT_UInt count3, count4, num_contours = 0; + FT_Error error; + + + if ( !stroker ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + error = ft_stroke_border_get_counts( stroker->borders + 0, + &count1, &count2 ); + if ( error ) + goto Exit; + + error = ft_stroke_border_get_counts( stroker->borders + 1, + &count3, &count4 ); + if ( error ) + goto Exit; + + num_points = count1 + count3; + num_contours = count2 + count4; + + Exit: + if ( anum_points ) + *anum_points = num_points; + + if ( anum_contours ) + *anum_contours = num_contours; + + return error; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( void ) + FT_Stroker_ExportBorder( FT_Stroker stroker, + FT_StrokerBorder border, + FT_Outline* outline ) + { + if ( !stroker || !outline ) + return; + + if ( border == FT_STROKER_BORDER_LEFT || + border == FT_STROKER_BORDER_RIGHT ) + { + FT_StrokeBorder sborder = & stroker->borders[border]; + + + if ( sborder->valid ) + ft_stroke_border_export( sborder, outline ); + } + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( void ) + FT_Stroker_Export( FT_Stroker stroker, + FT_Outline* outline ) + { + FT_Stroker_ExportBorder( stroker, FT_STROKER_BORDER_LEFT, outline ); + FT_Stroker_ExportBorder( stroker, FT_STROKER_BORDER_RIGHT, outline ); + } + + + /* documentation is in ftstroke.h */ + + /* + * The following is very similar to FT_Outline_Decompose, except + * that we do support opened paths, and do not scale the outline. + */ + FT_EXPORT_DEF( FT_Error ) + FT_Stroker_ParseOutline( FT_Stroker stroker, + FT_Outline* outline, + FT_Bool opened ) + { + FT_Vector v_last; + FT_Vector v_control; + FT_Vector v_start; + + FT_Vector* point; + FT_Vector* limit; + char* tags; + + FT_Error error; + + FT_Int n; /* index of contour in outline */ + FT_UInt first; /* index of first point in contour */ + FT_Int tag; /* current point's state */ + + + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + if ( !stroker ) + return FT_THROW( Invalid_Argument ); + + FT_Stroker_Rewind( stroker ); + + first = 0; + + for ( n = 0; n < outline->n_contours; n++ ) + { + FT_UInt last; /* index of last point in contour */ + + + last = (FT_UInt)outline->contours[n]; + limit = outline->points + last; + + /* skip empty points; we don't stroke these */ + if ( last <= first ) + { + first = last + 1; + continue; + } + + v_start = outline->points[first]; + v_last = outline->points[last]; + + v_control = v_start; + + point = outline->points + first; + tags = outline->tags + first; + tag = FT_CURVE_TAG( tags[0] ); + + /* A contour cannot start with a cubic control point! */ + if ( tag == FT_CURVE_TAG_CUBIC ) + goto Invalid_Outline; + + /* check first point to determine origin */ + if ( tag == FT_CURVE_TAG_CONIC ) + { + /* First point is conic control. Yes, this happens. */ + if ( FT_CURVE_TAG( outline->tags[last] ) == FT_CURVE_TAG_ON ) + { + /* start at last point if it is on the curve */ + v_start = v_last; + limit--; + } + else + { + /* if both first and last points are conic, */ + /* start at their middle */ + v_start.x = ( v_start.x + v_last.x ) / 2; + v_start.y = ( v_start.y + v_last.y ) / 2; + } + point--; + tags--; + } + + error = FT_Stroker_BeginSubPath( stroker, &v_start, opened ); + if ( error ) + goto Exit; + + while ( point < limit ) + { + point++; + tags++; + + tag = FT_CURVE_TAG( tags[0] ); + switch ( tag ) + { + case FT_CURVE_TAG_ON: /* emit a single line_to */ + { + FT_Vector vec; + + + vec.x = point->x; + vec.y = point->y; + + error = FT_Stroker_LineTo( stroker, &vec ); + if ( error ) + goto Exit; + continue; + } + + case FT_CURVE_TAG_CONIC: /* consume conic arcs */ + v_control.x = point->x; + v_control.y = point->y; + + Do_Conic: + if ( point < limit ) + { + FT_Vector vec; + FT_Vector v_middle; + + + point++; + tags++; + tag = FT_CURVE_TAG( tags[0] ); + + vec = point[0]; + + if ( tag == FT_CURVE_TAG_ON ) + { + error = FT_Stroker_ConicTo( stroker, &v_control, &vec ); + if ( error ) + goto Exit; + continue; + } + + if ( tag != FT_CURVE_TAG_CONIC ) + goto Invalid_Outline; + + v_middle.x = ( v_control.x + vec.x ) / 2; + v_middle.y = ( v_control.y + vec.y ) / 2; + + error = FT_Stroker_ConicTo( stroker, &v_control, &v_middle ); + if ( error ) + goto Exit; + + v_control = vec; + goto Do_Conic; + } + + error = FT_Stroker_ConicTo( stroker, &v_control, &v_start ); + goto Close; + + default: /* FT_CURVE_TAG_CUBIC */ + { + FT_Vector vec1, vec2; + + + if ( point + 1 > limit || + FT_CURVE_TAG( tags[1] ) != FT_CURVE_TAG_CUBIC ) + goto Invalid_Outline; + + point += 2; + tags += 2; + + vec1 = point[-2]; + vec2 = point[-1]; + + if ( point <= limit ) + { + FT_Vector vec; + + + vec = point[0]; + + error = FT_Stroker_CubicTo( stroker, &vec1, &vec2, &vec ); + if ( error ) + goto Exit; + continue; + } + + error = FT_Stroker_CubicTo( stroker, &vec1, &vec2, &v_start ); + goto Close; + } + } + } + + Close: + if ( error ) + goto Exit; + + /* don't try to end the path if no segments have been generated */ + if ( !stroker->first_point ) + { + error = FT_Stroker_EndSubPath( stroker ); + if ( error ) + goto Exit; + } + + first = last + 1; + } + + return FT_Err_Ok; + + Exit: + return error; + + Invalid_Outline: + return FT_THROW( Invalid_Outline ); + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Glyph_Stroke( FT_Glyph *pglyph, + FT_Stroker stroker, + FT_Bool destroy ) + { + FT_Error error = FT_ERR( Invalid_Argument ); + FT_Glyph glyph = NULL; + + /* for FT_OUTLINE_GLYPH_CLASS_GET (in PIC mode) */ + FT_Library library = stroker->library; + + FT_UNUSED( library ); + + + if ( !pglyph ) + goto Exit; + + glyph = *pglyph; + if ( !glyph || glyph->clazz != FT_OUTLINE_GLYPH_CLASS_GET ) + goto Exit; + + { + FT_Glyph copy; + + + error = FT_Glyph_Copy( glyph, © ); + if ( error ) + goto Exit; + + glyph = copy; + } + + { + FT_OutlineGlyph oglyph = (FT_OutlineGlyph)glyph; + FT_Outline* outline = &oglyph->outline; + FT_UInt num_points, num_contours; + + + error = FT_Stroker_ParseOutline( stroker, outline, FALSE ); + if ( error ) + goto Fail; + + FT_Stroker_GetCounts( stroker, &num_points, &num_contours ); + + FT_Outline_Done( glyph->library, outline ); + + error = FT_Outline_New( glyph->library, + num_points, + (FT_Int)num_contours, + outline ); + if ( error ) + goto Fail; + + outline->n_points = 0; + outline->n_contours = 0; + + FT_Stroker_Export( stroker, outline ); + } + + if ( destroy ) + FT_Done_Glyph( *pglyph ); + + *pglyph = glyph; + goto Exit; + + Fail: + FT_Done_Glyph( glyph ); + glyph = NULL; + + if ( !destroy ) + *pglyph = NULL; + + Exit: + return error; + } + + + /* documentation is in ftstroke.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Glyph_StrokeBorder( FT_Glyph *pglyph, + FT_Stroker stroker, + FT_Bool inside, + FT_Bool destroy ) + { + FT_Error error = FT_ERR( Invalid_Argument ); + FT_Glyph glyph = NULL; + + /* for FT_OUTLINE_GLYPH_CLASS_GET (in PIC mode) */ + FT_Library library = stroker->library; + + FT_UNUSED( library ); + + + if ( !pglyph ) + goto Exit; + + glyph = *pglyph; + if ( !glyph || glyph->clazz != FT_OUTLINE_GLYPH_CLASS_GET ) + goto Exit; + + { + FT_Glyph copy; + + + error = FT_Glyph_Copy( glyph, © ); + if ( error ) + goto Exit; + + glyph = copy; + } + + { + FT_OutlineGlyph oglyph = (FT_OutlineGlyph)glyph; + FT_StrokerBorder border; + FT_Outline* outline = &oglyph->outline; + FT_UInt num_points, num_contours; + + + border = FT_Outline_GetOutsideBorder( outline ); + if ( inside ) + { + if ( border == FT_STROKER_BORDER_LEFT ) + border = FT_STROKER_BORDER_RIGHT; + else + border = FT_STROKER_BORDER_LEFT; + } + + error = FT_Stroker_ParseOutline( stroker, outline, FALSE ); + if ( error ) + goto Fail; + + FT_Stroker_GetBorderCounts( stroker, border, + &num_points, &num_contours ); + + FT_Outline_Done( glyph->library, outline ); + + error = FT_Outline_New( glyph->library, + num_points, + (FT_Int)num_contours, + outline ); + if ( error ) + goto Fail; + + outline->n_points = 0; + outline->n_contours = 0; + + FT_Stroker_ExportBorder( stroker, border, outline ); + } + + if ( destroy ) + FT_Done_Glyph( *pglyph ); + + *pglyph = glyph; + goto Exit; + + Fail: + FT_Done_Glyph( glyph ); + glyph = NULL; + + if ( !destroy ) + *pglyph = NULL; + + Exit: + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftsynth.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftsynth.c new file mode 100644 index 00000000000..c28346707bd --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftsynth.c @@ -0,0 +1,163 @@ +/***************************************************************************/ +/* */ +/* ftsynth.c */ +/* */ +/* FreeType synthesizing code for emboldening and slanting (body). */ +/* */ +/* Copyright 2000-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_SYNTHESIS_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_OUTLINE_H +#include FT_BITMAP_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_synth + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** EXPERIMENTAL OBLIQUING SUPPORT ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + /* documentation is in ftsynth.h */ + + FT_EXPORT_DEF( void ) + FT_GlyphSlot_Oblique( FT_GlyphSlot slot ) + { + FT_Matrix transform; + FT_Outline* outline; + + + if ( !slot ) + return; + + outline = &slot->outline; + + /* only oblique outline glyphs */ + if ( slot->format != FT_GLYPH_FORMAT_OUTLINE ) + return; + + /* we don't touch the advance width */ + + /* For italic, simply apply a shear transform, with an angle */ + /* of about 12 degrees. */ + + transform.xx = 0x10000L; + transform.yx = 0x00000L; + + transform.xy = 0x0366AL; + transform.yy = 0x10000L; + + FT_Outline_Transform( outline, &transform ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** EXPERIMENTAL EMBOLDENING SUPPORT ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* documentation is in ftsynth.h */ + + FT_EXPORT_DEF( void ) + FT_GlyphSlot_Embolden( FT_GlyphSlot slot ) + { + FT_Library library; + FT_Face face; + FT_Error error; + FT_Pos xstr, ystr; + + + if ( !slot ) + return; + + library = slot->library; + face = slot->face; + + if ( slot->format != FT_GLYPH_FORMAT_OUTLINE && + slot->format != FT_GLYPH_FORMAT_BITMAP ) + return; + + /* some reasonable strength */ + xstr = FT_MulFix( face->units_per_EM, + face->size->metrics.y_scale ) / 24; + ystr = xstr; + + if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) + FT_Outline_EmboldenXY( &slot->outline, xstr, ystr ); + + else /* slot->format == FT_GLYPH_FORMAT_BITMAP */ + { + /* round to full pixels */ + xstr &= ~63; + if ( xstr == 0 ) + xstr = 1 << 6; + ystr &= ~63; + + /* + * XXX: overflow check for 16-bit system, for compatibility + * with FT_GlyphSlot_Embolden() since FreeType 2.1.10. + * unfortunately, this function return no informations + * about the cause of error. + */ + if ( ( ystr >> 6 ) > FT_INT_MAX || ( ystr >> 6 ) < FT_INT_MIN ) + { + FT_TRACE1(( "FT_GlyphSlot_Embolden:" )); + FT_TRACE1(( "too strong emboldening parameter ystr=%d\n", ystr )); + return; + } + error = FT_GlyphSlot_Own_Bitmap( slot ); + if ( error ) + return; + + error = FT_Bitmap_Embolden( library, &slot->bitmap, xstr, ystr ); + if ( error ) + return; + } + + if ( slot->advance.x ) + slot->advance.x += xstr; + + if ( slot->advance.y ) + slot->advance.y += ystr; + + slot->metrics.width += xstr; + slot->metrics.height += ystr; + slot->metrics.horiAdvance += xstr; + slot->metrics.vertAdvance += ystr; + slot->metrics.horiBearingY += ystr; + + /* XXX: 16-bit overflow case must be excluded before here */ + if ( slot->format == FT_GLYPH_FORMAT_BITMAP ) + slot->bitmap_top += (FT_Int)( ystr >> 6 ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftsystem.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftsystem.c new file mode 100644 index 00000000000..6adebdb9383 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftsystem.c @@ -0,0 +1,320 @@ +/***************************************************************************/ +/* */ +/* ftsystem.c */ +/* */ +/* ANSI-specific FreeType low-level system interface (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* This file contains the default interface used by FreeType to access */ + /* low-level, i.e. memory management, i/o access as well as thread */ + /* synchronisation. It can be replaced by user-specific routines if */ + /* necessary. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_SYSTEM_H +#include FT_ERRORS_H +#include FT_TYPES_H + + + /*************************************************************************/ + /* */ + /* MEMORY MANAGEMENT INTERFACE */ + /* */ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* It is not necessary to do any error checking for the */ + /* allocation-related functions. This will be done by the higher level */ + /* routines like ft_mem_alloc() or ft_mem_realloc(). */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_alloc */ + /* */ + /* <Description> */ + /* The memory allocation function. */ + /* */ + /* <Input> */ + /* memory :: A pointer to the memory object. */ + /* */ + /* size :: The requested size in bytes. */ + /* */ + /* <Return> */ + /* The address of newly allocated block. */ + /* */ + FT_CALLBACK_DEF( void* ) + ft_alloc( FT_Memory memory, + long size ) + { + FT_UNUSED( memory ); + + return ft_smalloc( (size_t)size ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_realloc */ + /* */ + /* <Description> */ + /* The memory reallocation function. */ + /* */ + /* <Input> */ + /* memory :: A pointer to the memory object. */ + /* */ + /* cur_size :: The current size of the allocated memory block. */ + /* */ + /* new_size :: The newly requested size in bytes. */ + /* */ + /* block :: The current address of the block in memory. */ + /* */ + /* <Return> */ + /* The address of the reallocated memory block. */ + /* */ + FT_CALLBACK_DEF( void* ) + ft_realloc( FT_Memory memory, + long cur_size, + long new_size, + void* block ) + { + FT_UNUSED( memory ); + FT_UNUSED( cur_size ); + + return ft_srealloc( block, (size_t)new_size ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_free */ + /* */ + /* <Description> */ + /* The memory release function. */ + /* */ + /* <Input> */ + /* memory :: A pointer to the memory object. */ + /* */ + /* block :: The address of block in memory to be freed. */ + /* */ + FT_CALLBACK_DEF( void ) + ft_free( FT_Memory memory, + void* block ) + { + FT_UNUSED( memory ); + + ft_sfree( block ); + } + + + /*************************************************************************/ + /* */ + /* RESOURCE MANAGEMENT INTERFACE */ + /* */ + /*************************************************************************/ + +#ifndef FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_io + + /* We use the macro STREAM_FILE for convenience to extract the */ + /* system-specific stream handle from a given FreeType stream object */ +#define STREAM_FILE( stream ) ( (FT_FILE*)stream->descriptor.pointer ) + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_ansi_stream_close */ + /* */ + /* <Description> */ + /* The function to close a stream. */ + /* */ + /* <Input> */ + /* stream :: A pointer to the stream object. */ + /* */ + FT_CALLBACK_DEF( void ) + ft_ansi_stream_close( FT_Stream stream ) + { + ft_fclose( STREAM_FILE( stream ) ); + + stream->descriptor.pointer = NULL; + stream->size = 0; + stream->base = NULL; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_ansi_stream_io */ + /* */ + /* <Description> */ + /* The function to open a stream. */ + /* */ + /* <Input> */ + /* stream :: A pointer to the stream object. */ + /* */ + /* offset :: The position in the data stream to start reading. */ + /* */ + /* buffer :: The address of buffer to store the read data. */ + /* */ + /* count :: The number of bytes to read from the stream. */ + /* */ + /* <Return> */ + /* The number of bytes actually read. If `count' is zero (this is, */ + /* the function is used for seeking), a non-zero return value */ + /* indicates an error. */ + /* */ + FT_CALLBACK_DEF( unsigned long ) + ft_ansi_stream_io( FT_Stream stream, + unsigned long offset, + unsigned char* buffer, + unsigned long count ) + { + FT_FILE* file; + + + if ( !count && offset > stream->size ) + return 1; + + file = STREAM_FILE( stream ); + + if ( stream->pos != offset ) + ft_fseek( file, (long)offset, SEEK_SET ); + + return (unsigned long)ft_fread( buffer, 1, count, file ); + } + + + /* documentation is in ftstream.h */ + + FT_BASE_DEF( FT_Error ) + FT_Stream_Open( FT_Stream stream, + const char* filepathname ) + { + FT_FILE* file; + + + if ( !stream ) + return FT_THROW( Invalid_Stream_Handle ); + + stream->descriptor.pointer = NULL; + stream->pathname.pointer = (char*)filepathname; + stream->base = NULL; + stream->pos = 0; + stream->read = NULL; + stream->close = NULL; + + file = ft_fopen( filepathname, "rb" ); + if ( !file ) + { + FT_ERROR(( "FT_Stream_Open:" + " could not open `%s'\n", filepathname )); + + return FT_THROW( Cannot_Open_Resource ); + } + + ft_fseek( file, 0, SEEK_END ); + stream->size = (unsigned long)ft_ftell( file ); + if ( !stream->size ) + { + FT_ERROR(( "FT_Stream_Open:" )); + FT_ERROR(( " opened `%s' but zero-sized\n", filepathname )); + ft_fclose( file ); + return FT_THROW( Cannot_Open_Stream ); + } + ft_fseek( file, 0, SEEK_SET ); + + stream->descriptor.pointer = file; + stream->read = ft_ansi_stream_io; + stream->close = ft_ansi_stream_close; + + FT_TRACE1(( "FT_Stream_Open:" )); + FT_TRACE1(( " opened `%s' (%d bytes) successfully\n", + filepathname, stream->size )); + + return FT_Err_Ok; + } + +#endif /* !FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */ + +#ifdef FT_DEBUG_MEMORY + + extern FT_Int + ft_mem_debug_init( FT_Memory memory ); + + extern void + ft_mem_debug_done( FT_Memory memory ); + +#endif + + + /* documentation is in ftobjs.h */ + + FT_BASE_DEF( FT_Memory ) + FT_New_Memory( void ) + { + FT_Memory memory; + + + memory = (FT_Memory)ft_smalloc( sizeof ( *memory ) ); + if ( memory ) + { + memory->user = NULL; + memory->alloc = ft_alloc; + memory->realloc = ft_realloc; + memory->free = ft_free; +#ifdef FT_DEBUG_MEMORY + ft_mem_debug_init( memory ); +#endif + } + + return memory; + } + + + /* documentation is in ftobjs.h */ + + FT_BASE_DEF( void ) + FT_Done_Memory( FT_Memory memory ) + { +#ifdef FT_DEBUG_MEMORY + ft_mem_debug_done( memory ); +#endif + ft_sfree( memory ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/fttrigon.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/fttrigon.c new file mode 100644 index 00000000000..d6dd098c426 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/fttrigon.c @@ -0,0 +1,526 @@ +/***************************************************************************/ +/* */ +/* fttrigon.c */ +/* */ +/* FreeType trigonometric functions (body). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* This is a fixed-point CORDIC implementation of trigonometric */ + /* functions as well as transformations between Cartesian and polar */ + /* coordinates. The angles are represented as 16.16 fixed-point values */ + /* in degrees, i.e., the angular resolution is 2^-16 degrees. Note that */ + /* only vectors longer than 2^16*180/pi (or at least 22 bits) on a */ + /* discrete Cartesian grid can have the same or better angular */ + /* resolution. Therefore, to maintain this precision, some functions */ + /* require an interim upscaling of the vectors, whereas others operate */ + /* with 24-bit long vectors directly. */ + /* */ + /*************************************************************************/ + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_CALC_H +#include FT_TRIGONOMETRY_H + + + /* the Cordic shrink factor 0.858785336480436 * 2^32 */ +#define FT_TRIG_SCALE 0xDBD95B16UL + + /* the highest bit in overflow-safe vector components, */ + /* MSB of 0.858785336480436 * sqrt(0.5) * 2^30 */ +#define FT_TRIG_SAFE_MSB 29 + + /* this table was generated for FT_PI = 180L << 16, i.e. degrees */ +#define FT_TRIG_MAX_ITERS 23 + + static const FT_Angle + ft_trig_arctan_table[] = + { + 1740967L, 919879L, 466945L, 234379L, 117304L, 58666L, 29335L, + 14668L, 7334L, 3667L, 1833L, 917L, 458L, 229L, 115L, + 57L, 29L, 14L, 7L, 4L, 2L, 1L + }; + + +#ifdef FT_LONG64 + + /* multiply a given value by the CORDIC shrink factor */ + static FT_Fixed + ft_trig_downscale( FT_Fixed val ) + { + FT_Int s = 1; + + + if ( val < 0 ) + { + val = -val; + s = -1; + } + + /* 0x40000000 comes from regression analysis between true */ + /* and CORDIC hypotenuse, so it minimizes the error */ + val = (FT_Fixed)( + ( (FT_UInt64)val * FT_TRIG_SCALE + 0x40000000UL ) >> 32 ); + + return s < 0 ? -val : val; + } + +#else /* !FT_LONG64 */ + + /* multiply a given value by the CORDIC shrink factor */ + static FT_Fixed + ft_trig_downscale( FT_Fixed val ) + { + FT_Int s = 1; + FT_UInt32 lo1, hi1, lo2, hi2, lo, hi, i1, i2; + + + if ( val < 0 ) + { + val = -val; + s = -1; + } + + lo1 = (FT_UInt32)val & 0x0000FFFFU; + hi1 = (FT_UInt32)val >> 16; + lo2 = FT_TRIG_SCALE & 0x0000FFFFU; + hi2 = FT_TRIG_SCALE >> 16; + + lo = lo1 * lo2; + i1 = lo1 * hi2; + i2 = lo2 * hi1; + hi = hi1 * hi2; + + /* Check carry overflow of i1 + i2 */ + i1 += i2; + hi += (FT_UInt32)( i1 < i2 ) << 16; + + hi += i1 >> 16; + i1 = i1 << 16; + + /* Check carry overflow of i1 + lo */ + lo += i1; + hi += ( lo < i1 ); + + /* 0x40000000 comes from regression analysis between true */ + /* and CORDIC hypotenuse, so it minimizes the error */ + + /* Check carry overflow of lo + 0x40000000 */ + lo += 0x40000000UL; + hi += ( lo < 0x40000000UL ); + + val = (FT_Fixed)hi; + + return s < 0 ? -val : val; + } + +#endif /* !FT_LONG64 */ + + + /* undefined and never called for zero vector */ + static FT_Int + ft_trig_prenorm( FT_Vector* vec ) + { + FT_Pos x, y; + FT_Int shift; + + + x = vec->x; + y = vec->y; + + shift = FT_MSB( (FT_UInt32)( FT_ABS( x ) | FT_ABS( y ) ) ); + + if ( shift <= FT_TRIG_SAFE_MSB ) + { + shift = FT_TRIG_SAFE_MSB - shift; + vec->x = (FT_Pos)( (FT_ULong)x << shift ); + vec->y = (FT_Pos)( (FT_ULong)y << shift ); + } + else + { + shift -= FT_TRIG_SAFE_MSB; + vec->x = x >> shift; + vec->y = y >> shift; + shift = -shift; + } + + return shift; + } + + + static void + ft_trig_pseudo_rotate( FT_Vector* vec, + FT_Angle theta ) + { + FT_Int i; + FT_Fixed x, y, xtemp, b; + const FT_Angle *arctanptr; + + + x = vec->x; + y = vec->y; + + /* Rotate inside [-PI/4,PI/4] sector */ + while ( theta < -FT_ANGLE_PI4 ) + { + xtemp = y; + y = -x; + x = xtemp; + theta += FT_ANGLE_PI2; + } + + while ( theta > FT_ANGLE_PI4 ) + { + xtemp = -y; + y = x; + x = xtemp; + theta -= FT_ANGLE_PI2; + } + + arctanptr = ft_trig_arctan_table; + + /* Pseudorotations, with right shifts */ + for ( i = 1, b = 1; i < FT_TRIG_MAX_ITERS; b <<= 1, i++ ) + { + if ( theta < 0 ) + { + xtemp = x + ( ( y + b ) >> i ); + y = y - ( ( x + b ) >> i ); + x = xtemp; + theta += *arctanptr++; + } + else + { + xtemp = x - ( ( y + b ) >> i ); + y = y + ( ( x + b ) >> i ); + x = xtemp; + theta -= *arctanptr++; + } + } + + vec->x = x; + vec->y = y; + } + + + static void + ft_trig_pseudo_polarize( FT_Vector* vec ) + { + FT_Angle theta; + FT_Int i; + FT_Fixed x, y, xtemp, b; + const FT_Angle *arctanptr; + + + x = vec->x; + y = vec->y; + + /* Get the vector into [-PI/4,PI/4] sector */ + if ( y > x ) + { + if ( y > -x ) + { + theta = FT_ANGLE_PI2; + xtemp = y; + y = -x; + x = xtemp; + } + else + { + theta = y > 0 ? FT_ANGLE_PI : -FT_ANGLE_PI; + x = -x; + y = -y; + } + } + else + { + if ( y < -x ) + { + theta = -FT_ANGLE_PI2; + xtemp = -y; + y = x; + x = xtemp; + } + else + { + theta = 0; + } + } + + arctanptr = ft_trig_arctan_table; + + /* Pseudorotations, with right shifts */ + for ( i = 1, b = 1; i < FT_TRIG_MAX_ITERS; b <<= 1, i++ ) + { + if ( y > 0 ) + { + xtemp = x + ( ( y + b ) >> i ); + y = y - ( ( x + b ) >> i ); + x = xtemp; + theta += *arctanptr++; + } + else + { + xtemp = x - ( ( y + b ) >> i ); + y = y + ( ( x + b ) >> i ); + x = xtemp; + theta -= *arctanptr++; + } + } + + /* round theta to acknowledge its error that mostly comes */ + /* from accumulated rounding errors in the arctan table */ + if ( theta >= 0 ) + theta = FT_PAD_ROUND( theta, 16 ); + else + theta = -FT_PAD_ROUND( -theta, 16 ); + + vec->x = x; + vec->y = theta; + } + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( FT_Fixed ) + FT_Cos( FT_Angle angle ) + { + FT_Vector v; + + + FT_Vector_Unit( &v, angle ); + + return v.x; + } + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( FT_Fixed ) + FT_Sin( FT_Angle angle ) + { + FT_Vector v; + + + FT_Vector_Unit( &v, angle ); + + return v.y; + } + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( FT_Fixed ) + FT_Tan( FT_Angle angle ) + { + FT_Vector v; + + + FT_Vector_Unit( &v, angle ); + + return FT_DivFix( v.y, v.x ); + } + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( FT_Angle ) + FT_Atan2( FT_Fixed dx, + FT_Fixed dy ) + { + FT_Vector v; + + + if ( dx == 0 && dy == 0 ) + return 0; + + v.x = dx; + v.y = dy; + ft_trig_prenorm( &v ); + ft_trig_pseudo_polarize( &v ); + + return v.y; + } + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( void ) + FT_Vector_Unit( FT_Vector* vec, + FT_Angle angle ) + { + if ( !vec ) + return; + + vec->x = FT_TRIG_SCALE >> 8; + vec->y = 0; + ft_trig_pseudo_rotate( vec, angle ); + vec->x = ( vec->x + 0x80L ) >> 8; + vec->y = ( vec->y + 0x80L ) >> 8; + } + + + /* these macros return 0 for positive numbers, + and -1 for negative ones */ +#define FT_SIGN_LONG( x ) ( (x) >> ( FT_SIZEOF_LONG * 8 - 1 ) ) +#define FT_SIGN_INT( x ) ( (x) >> ( FT_SIZEOF_INT * 8 - 1 ) ) +#define FT_SIGN_INT32( x ) ( (x) >> 31 ) +#define FT_SIGN_INT16( x ) ( (x) >> 15 ) + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( void ) + FT_Vector_Rotate( FT_Vector* vec, + FT_Angle angle ) + { + FT_Int shift; + FT_Vector v; + + + if ( !vec || !angle ) + return; + + v = *vec; + + if ( v.x == 0 && v.y == 0 ) + return; + + shift = ft_trig_prenorm( &v ); + ft_trig_pseudo_rotate( &v, angle ); + v.x = ft_trig_downscale( v.x ); + v.y = ft_trig_downscale( v.y ); + + if ( shift > 0 ) + { + FT_Int32 half = (FT_Int32)1L << ( shift - 1 ); + + + vec->x = ( v.x + half + FT_SIGN_LONG( v.x ) ) >> shift; + vec->y = ( v.y + half + FT_SIGN_LONG( v.y ) ) >> shift; + } + else + { + shift = -shift; + vec->x = (FT_Pos)( (FT_ULong)v.x << shift ); + vec->y = (FT_Pos)( (FT_ULong)v.y << shift ); + } + } + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( FT_Fixed ) + FT_Vector_Length( FT_Vector* vec ) + { + FT_Int shift; + FT_Vector v; + + + if ( !vec ) + return 0; + + v = *vec; + + /* handle trivial cases */ + if ( v.x == 0 ) + { + return FT_ABS( v.y ); + } + else if ( v.y == 0 ) + { + return FT_ABS( v.x ); + } + + /* general case */ + shift = ft_trig_prenorm( &v ); + ft_trig_pseudo_polarize( &v ); + + v.x = ft_trig_downscale( v.x ); + + if ( shift > 0 ) + return ( v.x + ( 1L << ( shift - 1 ) ) ) >> shift; + + return (FT_Fixed)( (FT_UInt32)v.x << -shift ); + } + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( void ) + FT_Vector_Polarize( FT_Vector* vec, + FT_Fixed *length, + FT_Angle *angle ) + { + FT_Int shift; + FT_Vector v; + + + if ( !vec || !length || !angle ) + return; + + v = *vec; + + if ( v.x == 0 && v.y == 0 ) + return; + + shift = ft_trig_prenorm( &v ); + ft_trig_pseudo_polarize( &v ); + + v.x = ft_trig_downscale( v.x ); + + *length = shift >= 0 ? ( v.x >> shift ) + : (FT_Fixed)( (FT_UInt32)v.x << -shift ); + *angle = v.y; + } + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( void ) + FT_Vector_From_Polar( FT_Vector* vec, + FT_Fixed length, + FT_Angle angle ) + { + if ( !vec ) + return; + + vec->x = length; + vec->y = 0; + + FT_Vector_Rotate( vec, angle ); + } + + + /* documentation is in fttrigon.h */ + + FT_EXPORT_DEF( FT_Angle ) + FT_Angle_Diff( FT_Angle angle1, + FT_Angle angle2 ) + { + FT_Angle delta = angle2 - angle1; + + + while ( delta <= -FT_ANGLE_PI ) + delta += FT_ANGLE_2PI; + + while ( delta > FT_ANGLE_PI ) + delta -= FT_ANGLE_2PI; + + return delta; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/fttype1.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/fttype1.c new file mode 100644 index 00000000000..aa8f8ccbbb4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/fttype1.c @@ -0,0 +1,127 @@ +/***************************************************************************/ +/* */ +/* fttype1.c */ +/* */ +/* FreeType utility file for PS names support (body). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_SERVICE_H +#include FT_SERVICE_POSTSCRIPT_INFO_H + + + /* documentation is in t1tables.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_PS_Font_Info( FT_Face face, + PS_FontInfoRec* afont_info ) + { + FT_Error error; + FT_Service_PsInfo service; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !afont_info ) + return FT_THROW( Invalid_Argument ); + + FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO ); + + if ( service && service->ps_get_font_info ) + error = service->ps_get_font_info( face, afont_info ); + else + error = FT_THROW( Invalid_Argument ); + + return error; + } + + + /* documentation is in t1tables.h */ + + FT_EXPORT_DEF( FT_Int ) + FT_Has_PS_Glyph_Names( FT_Face face ) + { + FT_Int result = 0; + FT_Service_PsInfo service; + + + if ( face ) + { + FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO ); + + if ( service && service->ps_has_glyph_names ) + result = service->ps_has_glyph_names( face ); + } + + return result; + } + + + /* documentation is in t1tables.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Get_PS_Font_Private( FT_Face face, + PS_PrivateRec* afont_private ) + { + FT_Error error; + FT_Service_PsInfo service; + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !afont_private ) + return FT_THROW( Invalid_Argument ); + + FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO ); + + if ( service && service->ps_get_font_private ) + error = service->ps_get_font_private( face, afont_private ); + else + error = FT_THROW( Invalid_Argument ); + + return error; + } + + + /* documentation is in t1tables.h */ + + FT_EXPORT_DEF( FT_Long ) + FT_Get_PS_Font_Value( FT_Face face, + PS_Dict_Keys key, + FT_UInt idx, + void *value, + FT_Long value_len ) + { + FT_Int result = 0; + FT_Service_PsInfo service = NULL; + + + if ( face ) + { + FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO ); + + if ( service && service->ps_get_font_value ) + result = service->ps_get_font_value( face, key, idx, + value, value_len ); + } + + return result; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/ftutil.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftutil.c new file mode 100644 index 00000000000..4de5f2c145d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/ftutil.c @@ -0,0 +1,443 @@ +/***************************************************************************/ +/* */ +/* ftutil.c */ +/* */ +/* FreeType utility file for memory and list management (body). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_MEMORY_H +#include FT_INTERNAL_OBJECTS_H +#include FT_LIST_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_memory + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** *****/ + /***** M E M O R Y M A N A G E M E N T *****/ + /***** *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + FT_BASE_DEF( FT_Pointer ) + ft_mem_alloc( FT_Memory memory, + FT_Long size, + FT_Error *p_error ) + { + FT_Error error; + FT_Pointer block = ft_mem_qalloc( memory, size, &error ); + + if ( !error && size > 0 ) + FT_MEM_ZERO( block, size ); + + *p_error = error; + return block; + } + + + FT_BASE_DEF( FT_Pointer ) + ft_mem_qalloc( FT_Memory memory, + FT_Long size, + FT_Error *p_error ) + { + FT_Error error = FT_Err_Ok; + FT_Pointer block = NULL; + + + if ( size > 0 ) + { + block = memory->alloc( memory, size ); + if ( !block ) + error = FT_THROW( Out_Of_Memory ); + } + else if ( size < 0 ) + { + /* may help catch/prevent security issues */ + error = FT_THROW( Invalid_Argument ); + } + + *p_error = error; + return block; + } + + + FT_BASE_DEF( FT_Pointer ) + ft_mem_realloc( FT_Memory memory, + FT_Long item_size, + FT_Long cur_count, + FT_Long new_count, + void* block, + FT_Error *p_error ) + { + FT_Error error = FT_Err_Ok; + + + block = ft_mem_qrealloc( memory, item_size, + cur_count, new_count, block, &error ); + if ( !error && new_count > cur_count ) + FT_MEM_ZERO( (char*)block + cur_count * item_size, + ( new_count - cur_count ) * item_size ); + + *p_error = error; + return block; + } + + + FT_BASE_DEF( FT_Pointer ) + ft_mem_qrealloc( FT_Memory memory, + FT_Long item_size, + FT_Long cur_count, + FT_Long new_count, + void* block, + FT_Error *p_error ) + { + FT_Error error = FT_Err_Ok; + + + /* Note that we now accept `item_size == 0' as a valid parameter, in + * order to cover very weird cases where an ALLOC_MULT macro would be + * called. + */ + if ( cur_count < 0 || new_count < 0 || item_size < 0 ) + { + /* may help catch/prevent nasty security issues */ + error = FT_THROW( Invalid_Argument ); + } + else if ( new_count == 0 || item_size == 0 ) + { + ft_mem_free( memory, block ); + block = NULL; + } + else if ( new_count > FT_INT_MAX / item_size ) + { + error = FT_THROW( Array_Too_Large ); + } + else if ( cur_count == 0 ) + { + FT_ASSERT( !block ); + + block = memory->alloc( memory, new_count * item_size ); + if ( block == NULL ) + error = FT_THROW( Out_Of_Memory ); + } + else + { + FT_Pointer block2; + FT_Long cur_size = cur_count * item_size; + FT_Long new_size = new_count * item_size; + + + block2 = memory->realloc( memory, cur_size, new_size, block ); + if ( !block2 ) + error = FT_THROW( Out_Of_Memory ); + else + block = block2; + } + + *p_error = error; + return block; + } + + + FT_BASE_DEF( void ) + ft_mem_free( FT_Memory memory, + const void *P ) + { + if ( P ) + memory->free( memory, (void*)P ); + } + + + FT_BASE_DEF( FT_Pointer ) + ft_mem_dup( FT_Memory memory, + const void* address, + FT_ULong size, + FT_Error *p_error ) + { + FT_Error error; + FT_Pointer p = ft_mem_qalloc( memory, (FT_Long)size, &error ); + + + if ( !error && address ) + ft_memcpy( p, address, size ); + + *p_error = error; + return p; + } + + + FT_BASE_DEF( FT_Pointer ) + ft_mem_strdup( FT_Memory memory, + const char* str, + FT_Error *p_error ) + { + FT_ULong len = str ? (FT_ULong)ft_strlen( str ) + 1 + : 0; + + + return ft_mem_dup( memory, str, len, p_error ); + } + + + FT_BASE_DEF( FT_Int ) + ft_mem_strcpyn( char* dst, + const char* src, + FT_ULong size ) + { + while ( size > 1 && *src != 0 ) + { + *dst++ = *src++; + size--; + } + + *dst = 0; /* always zero-terminate */ + + return *src != 0; + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** *****/ + /***** D O U B L Y L I N K E D L I S T S *****/ + /***** *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + +#undef FT_COMPONENT +#define FT_COMPONENT trace_list + + /* documentation is in ftlist.h */ + + FT_EXPORT_DEF( FT_ListNode ) + FT_List_Find( FT_List list, + void* data ) + { + FT_ListNode cur; + + + if ( !list ) + return NULL; + + cur = list->head; + while ( cur ) + { + if ( cur->data == data ) + return cur; + + cur = cur->next; + } + + return NULL; + } + + + /* documentation is in ftlist.h */ + + FT_EXPORT_DEF( void ) + FT_List_Add( FT_List list, + FT_ListNode node ) + { + FT_ListNode before; + + + if ( !list || !node ) + return; + + before = list->tail; + + node->next = NULL; + node->prev = before; + + if ( before ) + before->next = node; + else + list->head = node; + + list->tail = node; + } + + + /* documentation is in ftlist.h */ + + FT_EXPORT_DEF( void ) + FT_List_Insert( FT_List list, + FT_ListNode node ) + { + FT_ListNode after; + + + if ( !list || !node ) + return; + + after = list->head; + + node->next = after; + node->prev = NULL; + + if ( !after ) + list->tail = node; + else + after->prev = node; + + list->head = node; + } + + + /* documentation is in ftlist.h */ + + FT_EXPORT_DEF( void ) + FT_List_Remove( FT_List list, + FT_ListNode node ) + { + FT_ListNode before, after; + + + if ( !list || !node ) + return; + + before = node->prev; + after = node->next; + + if ( before ) + before->next = after; + else + list->head = after; + + if ( after ) + after->prev = before; + else + list->tail = before; + } + + + /* documentation is in ftlist.h */ + + FT_EXPORT_DEF( void ) + FT_List_Up( FT_List list, + FT_ListNode node ) + { + FT_ListNode before, after; + + + if ( !list || !node ) + return; + + before = node->prev; + after = node->next; + + /* check whether we are already on top of the list */ + if ( !before ) + return; + + before->next = after; + + if ( after ) + after->prev = before; + else + list->tail = before; + + node->prev = NULL; + node->next = list->head; + list->head->prev = node; + list->head = node; + } + + + /* documentation is in ftlist.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_List_Iterate( FT_List list, + FT_List_Iterator iterator, + void* user ) + { + FT_ListNode cur; + FT_Error error = FT_Err_Ok; + + + if ( !list || !iterator ) + return FT_THROW( Invalid_Argument ); + + cur = list->head; + + while ( cur ) + { + FT_ListNode next = cur->next; + + + error = iterator( cur, user ); + if ( error ) + break; + + cur = next; + } + + return error; + } + + + /* documentation is in ftlist.h */ + + FT_EXPORT_DEF( void ) + FT_List_Finalize( FT_List list, + FT_List_Destructor destroy, + FT_Memory memory, + void* user ) + { + FT_ListNode cur; + + + if ( !list || !memory ) + return; + + cur = list->head; + while ( cur ) + { + FT_ListNode next = cur->next; + void* data = cur->data; + + + if ( destroy ) + destroy( memory, data, user ); + + FT_FREE( cur ); + cur = next; + } + + list->head = NULL; + list->tail = NULL; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/md5.c b/jdk/src/share/native/sun/awt/libfreetype/src/base/md5.c new file mode 100644 index 00000000000..90d0ff268d3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/md5.c @@ -0,0 +1,291 @@ +/* + * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc. + * MD5 Message-Digest Algorithm (RFC 1321). + * + * Homepage: + * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5 + * + * Author: + * Alexander Peslyak, better known as Solar Designer <solar at openwall.com> + * + * This software was written by Alexander Peslyak in 2001. No copyright is + * claimed, and the software is hereby placed in the public domain. + * In case this attempt to disclaim copyright and place the software in the + * public domain is deemed null and void, then the software is + * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. + * + * There's ABSOLUTELY NO WARRANTY, express or implied. + * + * (This is a heavily cut-down "BSD license".) + * + * This differs from Colin Plumb's older public domain implementation in that + * no exactly 32-bit integer data type is required (any 32-bit or wider + * unsigned integer data type will do), there's no compile-time endianness + * configuration, and the function prototypes match OpenSSL's. No code from + * Colin Plumb's implementation has been reused; this comment merely compares + * the properties of the two independent implementations. + * + * The primary goals of this implementation are portability and ease of use. + * It is meant to be fast, but not as fast as possible. Some known + * optimizations are not included to reduce source code size and avoid + * compile-time configuration. + */ + +#ifndef HAVE_OPENSSL + +#include <string.h> + +#include "md5.h" + +/* + * The basic MD5 functions. + * + * F and G are optimized compared to their RFC 1321 definitions for + * architectures that lack an AND-NOT instruction, just like in Colin Plumb's + * implementation. + */ +#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) +#define G(x, y, z) ((y) ^ ((z) & ((x) ^ (y)))) +#define H(x, y, z) (((x) ^ (y)) ^ (z)) +#define H2(x, y, z) ((x) ^ ((y) ^ (z))) +#define I(x, y, z) ((y) ^ ((x) | ~(z))) + +/* + * The MD5 transformation for all four rounds. + */ +#define STEP(f, a, b, c, d, x, t, s) \ + (a) += f((b), (c), (d)) + (x) + (t); \ + (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); \ + (a) += (b); + +/* + * SET reads 4 input bytes in little-endian byte order and stores them in a + * properly aligned word in host byte order. + * + * The check for little-endian architectures that tolerate unaligned memory + * accesses is just an optimization. Nothing will break if it fails to detect + * a suitable architecture. + * + * Unfortunately, this optimization may be a C strict aliasing rules violation + * if the caller's data buffer has effective type that cannot be aliased by + * MD5_u32plus. In practice, this problem may occur if these MD5 routines are + * inlined into a calling function, or with future and dangerously advanced + * link-time optimizations. For the time being, keeping these MD5 routines in + * their own translation unit avoids the problem. + */ +#if defined(__i386__) || defined(__x86_64__) || defined(__vax__) +#define SET(n) \ + (*(MD5_u32plus *)&ptr[(n) * 4]) +#define GET(n) \ + SET(n) +#else +#define SET(n) \ + (ctx->block[(n)] = \ + (MD5_u32plus)ptr[(n) * 4] | \ + ((MD5_u32plus)ptr[(n) * 4 + 1] << 8) | \ + ((MD5_u32plus)ptr[(n) * 4 + 2] << 16) | \ + ((MD5_u32plus)ptr[(n) * 4 + 3] << 24)) +#define GET(n) \ + (ctx->block[(n)]) +#endif + +/* + * This processes one or more 64-byte data blocks, but does NOT update the bit + * counters. There are no alignment requirements. + */ +static const void *body(MD5_CTX *ctx, const void *data, unsigned long size) +{ + const unsigned char *ptr; + MD5_u32plus a, b, c, d; + MD5_u32plus saved_a, saved_b, saved_c, saved_d; + + ptr = (const unsigned char *)data; + + a = ctx->a; + b = ctx->b; + c = ctx->c; + d = ctx->d; + + do { + saved_a = a; + saved_b = b; + saved_c = c; + saved_d = d; + +/* Round 1 */ + STEP(F, a, b, c, d, SET(0), 0xd76aa478, 7) + STEP(F, d, a, b, c, SET(1), 0xe8c7b756, 12) + STEP(F, c, d, a, b, SET(2), 0x242070db, 17) + STEP(F, b, c, d, a, SET(3), 0xc1bdceee, 22) + STEP(F, a, b, c, d, SET(4), 0xf57c0faf, 7) + STEP(F, d, a, b, c, SET(5), 0x4787c62a, 12) + STEP(F, c, d, a, b, SET(6), 0xa8304613, 17) + STEP(F, b, c, d, a, SET(7), 0xfd469501, 22) + STEP(F, a, b, c, d, SET(8), 0x698098d8, 7) + STEP(F, d, a, b, c, SET(9), 0x8b44f7af, 12) + STEP(F, c, d, a, b, SET(10), 0xffff5bb1, 17) + STEP(F, b, c, d, a, SET(11), 0x895cd7be, 22) + STEP(F, a, b, c, d, SET(12), 0x6b901122, 7) + STEP(F, d, a, b, c, SET(13), 0xfd987193, 12) + STEP(F, c, d, a, b, SET(14), 0xa679438e, 17) + STEP(F, b, c, d, a, SET(15), 0x49b40821, 22) + +/* Round 2 */ + STEP(G, a, b, c, d, GET(1), 0xf61e2562, 5) + STEP(G, d, a, b, c, GET(6), 0xc040b340, 9) + STEP(G, c, d, a, b, GET(11), 0x265e5a51, 14) + STEP(G, b, c, d, a, GET(0), 0xe9b6c7aa, 20) + STEP(G, a, b, c, d, GET(5), 0xd62f105d, 5) + STEP(G, d, a, b, c, GET(10), 0x02441453, 9) + STEP(G, c, d, a, b, GET(15), 0xd8a1e681, 14) + STEP(G, b, c, d, a, GET(4), 0xe7d3fbc8, 20) + STEP(G, a, b, c, d, GET(9), 0x21e1cde6, 5) + STEP(G, d, a, b, c, GET(14), 0xc33707d6, 9) + STEP(G, c, d, a, b, GET(3), 0xf4d50d87, 14) + STEP(G, b, c, d, a, GET(8), 0x455a14ed, 20) + STEP(G, a, b, c, d, GET(13), 0xa9e3e905, 5) + STEP(G, d, a, b, c, GET(2), 0xfcefa3f8, 9) + STEP(G, c, d, a, b, GET(7), 0x676f02d9, 14) + STEP(G, b, c, d, a, GET(12), 0x8d2a4c8a, 20) + +/* Round 3 */ + STEP(H, a, b, c, d, GET(5), 0xfffa3942, 4) + STEP(H2, d, a, b, c, GET(8), 0x8771f681, 11) + STEP(H, c, d, a, b, GET(11), 0x6d9d6122, 16) + STEP(H2, b, c, d, a, GET(14), 0xfde5380c, 23) + STEP(H, a, b, c, d, GET(1), 0xa4beea44, 4) + STEP(H2, d, a, b, c, GET(4), 0x4bdecfa9, 11) + STEP(H, c, d, a, b, GET(7), 0xf6bb4b60, 16) + STEP(H2, b, c, d, a, GET(10), 0xbebfbc70, 23) + STEP(H, a, b, c, d, GET(13), 0x289b7ec6, 4) + STEP(H2, d, a, b, c, GET(0), 0xeaa127fa, 11) + STEP(H, c, d, a, b, GET(3), 0xd4ef3085, 16) + STEP(H2, b, c, d, a, GET(6), 0x04881d05, 23) + STEP(H, a, b, c, d, GET(9), 0xd9d4d039, 4) + STEP(H2, d, a, b, c, GET(12), 0xe6db99e5, 11) + STEP(H, c, d, a, b, GET(15), 0x1fa27cf8, 16) + STEP(H2, b, c, d, a, GET(2), 0xc4ac5665, 23) + +/* Round 4 */ + STEP(I, a, b, c, d, GET(0), 0xf4292244, 6) + STEP(I, d, a, b, c, GET(7), 0x432aff97, 10) + STEP(I, c, d, a, b, GET(14), 0xab9423a7, 15) + STEP(I, b, c, d, a, GET(5), 0xfc93a039, 21) + STEP(I, a, b, c, d, GET(12), 0x655b59c3, 6) + STEP(I, d, a, b, c, GET(3), 0x8f0ccc92, 10) + STEP(I, c, d, a, b, GET(10), 0xffeff47d, 15) + STEP(I, b, c, d, a, GET(1), 0x85845dd1, 21) + STEP(I, a, b, c, d, GET(8), 0x6fa87e4f, 6) + STEP(I, d, a, b, c, GET(15), 0xfe2ce6e0, 10) + STEP(I, c, d, a, b, GET(6), 0xa3014314, 15) + STEP(I, b, c, d, a, GET(13), 0x4e0811a1, 21) + STEP(I, a, b, c, d, GET(4), 0xf7537e82, 6) + STEP(I, d, a, b, c, GET(11), 0xbd3af235, 10) + STEP(I, c, d, a, b, GET(2), 0x2ad7d2bb, 15) + STEP(I, b, c, d, a, GET(9), 0xeb86d391, 21) + + a += saved_a; + b += saved_b; + c += saved_c; + d += saved_d; + + ptr += 64; + } while (size -= 64); + + ctx->a = a; + ctx->b = b; + ctx->c = c; + ctx->d = d; + + return ptr; +} + +void MD5_Init(MD5_CTX *ctx) +{ + ctx->a = 0x67452301; + ctx->b = 0xefcdab89; + ctx->c = 0x98badcfe; + ctx->d = 0x10325476; + + ctx->lo = 0; + ctx->hi = 0; +} + +void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size) +{ + MD5_u32plus saved_lo; + unsigned long used, available; + + saved_lo = ctx->lo; + if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo) + ctx->hi++; + ctx->hi += size >> 29; + + used = saved_lo & 0x3f; + + if (used) { + available = 64 - used; + + if (size < available) { + memcpy(&ctx->buffer[used], data, size); + return; + } + + memcpy(&ctx->buffer[used], data, available); + data = (const unsigned char *)data + available; + size -= available; + body(ctx, ctx->buffer, 64); + } + + if (size >= 64) { + data = body(ctx, data, size & ~(unsigned long)0x3f); + size &= 0x3f; + } + + memcpy(ctx->buffer, data, size); +} + +#define OUT(dst, src) \ + (dst)[0] = (unsigned char)(src); \ + (dst)[1] = (unsigned char)((src) >> 8); \ + (dst)[2] = (unsigned char)((src) >> 16); \ + (dst)[3] = (unsigned char)((src) >> 24); + +void MD5_Final(unsigned char *result, MD5_CTX *ctx) +{ + unsigned long used, available; + + used = ctx->lo & 0x3f; + + ctx->buffer[used++] = 0x80; + + available = 64 - used; + + if (available < 8) { + memset(&ctx->buffer[used], 0, available); + body(ctx, ctx->buffer, 64); + used = 0; + available = 64; + } + + memset(&ctx->buffer[used], 0, available - 8); + + ctx->lo <<= 3; + OUT(&ctx->buffer[56], ctx->lo) + OUT(&ctx->buffer[60], ctx->hi) + + body(ctx, ctx->buffer, 64); + + OUT(&result[0], ctx->a) + OUT(&result[4], ctx->b) + OUT(&result[8], ctx->c) + OUT(&result[12], ctx->d) + + memset(ctx, 0, sizeof(*ctx)); +} + +#endif diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/base/md5.h b/jdk/src/share/native/sun/awt/libfreetype/src/base/md5.h new file mode 100644 index 00000000000..2cbda9b87ae --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/base/md5.h @@ -0,0 +1,45 @@ +/* + * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc. + * MD5 Message-Digest Algorithm (RFC 1321). + * + * Homepage: + * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5 + * + * Author: + * Alexander Peslyak, better known as Solar Designer <solar at openwall.com> + * + * This software was written by Alexander Peslyak in 2001. No copyright is + * claimed, and the software is hereby placed in the public domain. + * In case this attempt to disclaim copyright and place the software in the + * public domain is deemed null and void, then the software is + * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the + * general public under the following terms: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted. + * + * There's ABSOLUTELY NO WARRANTY, express or implied. + * + * See md5.c for more information. + */ + +#ifdef HAVE_OPENSSL +#include <openssl/md5.h> +#elif !defined(_MD5_H) +#define _MD5_H + +/* Any 32-bit or wider unsigned integer data type will do */ +typedef unsigned int MD5_u32plus; + +typedef struct { + MD5_u32plus lo, hi; + MD5_u32plus a, b, c, d; + unsigned char buffer[64]; + MD5_u32plus block[16]; +} MD5_CTX; + +extern void MD5_Init(MD5_CTX *ctx); +extern void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size); +extern void MD5_Final(unsigned char *result, MD5_CTX *ctx); + +#endif diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffcmap.c b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffcmap.c new file mode 100644 index 00000000000..e45ae1127bf --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffcmap.c @@ -0,0 +1,229 @@ +/***************************************************************************/ +/* */ +/* cffcmap.c */ +/* */ +/* CFF character mapping table (cmap) support (body). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include "cffcmap.h" +#include "cffload.h" + +#include "cfferrs.h" + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** CFF STANDARD (AND EXPERT) ENCODING CMAPS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + FT_CALLBACK_DEF( FT_Error ) + cff_cmap_encoding_init( CFF_CMapStd cmap, + FT_Pointer pointer ) + { + TT_Face face = (TT_Face)FT_CMAP_FACE( cmap ); + CFF_Font cff = (CFF_Font)face->extra.data; + CFF_Encoding encoding = &cff->encoding; + + FT_UNUSED( pointer ); + + + cmap->gids = encoding->codes; + + return 0; + } + + + FT_CALLBACK_DEF( void ) + cff_cmap_encoding_done( CFF_CMapStd cmap ) + { + cmap->gids = NULL; + } + + + FT_CALLBACK_DEF( FT_UInt ) + cff_cmap_encoding_char_index( CFF_CMapStd cmap, + FT_UInt32 char_code ) + { + FT_UInt result = 0; + + + if ( char_code < 256 ) + result = cmap->gids[char_code]; + + return result; + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + cff_cmap_encoding_char_next( CFF_CMapStd cmap, + FT_UInt32 *pchar_code ) + { + FT_UInt result = 0; + FT_UInt32 char_code = *pchar_code; + + + *pchar_code = 0; + + if ( char_code < 255 ) + { + FT_UInt code = (FT_UInt)(char_code + 1); + + + for (;;) + { + if ( code >= 256 ) + break; + + result = cmap->gids[code]; + if ( result != 0 ) + { + *pchar_code = code; + break; + } + + code++; + } + } + return result; + } + + + FT_DEFINE_CMAP_CLASS( + cff_cmap_encoding_class_rec, + + sizeof ( CFF_CMapStdRec ), + + (FT_CMap_InitFunc) cff_cmap_encoding_init, /* init */ + (FT_CMap_DoneFunc) cff_cmap_encoding_done, /* done */ + (FT_CMap_CharIndexFunc)cff_cmap_encoding_char_index, /* char_index */ + (FT_CMap_CharNextFunc) cff_cmap_encoding_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL /* variantchar_list */ + ) + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** CFF SYNTHETIC UNICODE ENCODING CMAP *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + FT_CALLBACK_DEF( const char* ) + cff_sid_to_glyph_name( TT_Face face, + FT_UInt idx ) + { + CFF_Font cff = (CFF_Font)face->extra.data; + CFF_Charset charset = &cff->charset; + FT_UInt sid = charset->sids[idx]; + + + return cff_index_get_sid_string( cff, sid ); + } + + + FT_CALLBACK_DEF( FT_Error ) + cff_cmap_unicode_init( PS_Unicodes unicodes, + FT_Pointer pointer ) + { + TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes ); + FT_Memory memory = FT_FACE_MEMORY( face ); + CFF_Font cff = (CFF_Font)face->extra.data; + CFF_Charset charset = &cff->charset; + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames; + + FT_UNUSED( pointer ); + + + /* can't build Unicode map for CID-keyed font */ + /* because we don't know glyph names. */ + if ( !charset->sids ) + return FT_THROW( No_Unicode_Glyph_Name ); + + return psnames->unicodes_init( memory, + unicodes, + cff->num_glyphs, + (PS_GetGlyphNameFunc)&cff_sid_to_glyph_name, + (PS_FreeGlyphNameFunc)NULL, + (FT_Pointer)face ); + } + + + FT_CALLBACK_DEF( void ) + cff_cmap_unicode_done( PS_Unicodes unicodes ) + { + FT_Face face = FT_CMAP_FACE( unicodes ); + FT_Memory memory = FT_FACE_MEMORY( face ); + + + FT_FREE( unicodes->maps ); + unicodes->num_maps = 0; + } + + + FT_CALLBACK_DEF( FT_UInt ) + cff_cmap_unicode_char_index( PS_Unicodes unicodes, + FT_UInt32 char_code ) + { + TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes ); + CFF_Font cff = (CFF_Font)face->extra.data; + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames; + + + return psnames->unicodes_char_index( unicodes, char_code ); + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + cff_cmap_unicode_char_next( PS_Unicodes unicodes, + FT_UInt32 *pchar_code ) + { + TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes ); + CFF_Font cff = (CFF_Font)face->extra.data; + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames; + + + return psnames->unicodes_char_next( unicodes, pchar_code ); + } + + + FT_DEFINE_CMAP_CLASS( + cff_cmap_unicode_class_rec, + + sizeof ( PS_UnicodesRec ), + + (FT_CMap_InitFunc) cff_cmap_unicode_init, /* init */ + (FT_CMap_DoneFunc) cff_cmap_unicode_done, /* done */ + (FT_CMap_CharIndexFunc)cff_cmap_unicode_char_index, /* char_index */ + (FT_CMap_CharNextFunc) cff_cmap_unicode_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL /* variantchar_list */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffcmap.h b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffcmap.h new file mode 100644 index 00000000000..856a43dd1b9 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffcmap.h @@ -0,0 +1,67 @@ +/***************************************************************************/ +/* */ +/* cffcmap.h */ +/* */ +/* CFF character mapping table (cmap) support (specification). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFCMAP_H_ +#define CFFCMAP_H_ + +#include FT_INTERNAL_CFF_OBJECTS_TYPES_H + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE1 STANDARD (AND EXPERT) ENCODING CMAPS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* standard (and expert) encoding cmaps */ + typedef struct CFF_CMapStdRec_* CFF_CMapStd; + + typedef struct CFF_CMapStdRec_ + { + FT_CMapRec cmap; + FT_UShort* gids; /* up to 256 elements */ + + } CFF_CMapStdRec; + + + FT_DECLARE_CMAP_CLASS(cff_cmap_encoding_class_rec) + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** CFF SYNTHETIC UNICODE ENCODING CMAP *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* unicode (synthetic) cmaps */ + + FT_DECLARE_CMAP_CLASS(cff_cmap_unicode_class_rec) + + +FT_END_HEADER + +#endif /* CFFCMAP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffdrivr.c b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffdrivr.c new file mode 100644 index 00000000000..df896848da4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffdrivr.c @@ -0,0 +1,1143 @@ +/***************************************************************************/ +/* */ +/* cffdrivr.c */ +/* */ +/* OpenType font driver implementation (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_SFNT_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_INTERNAL_POSTSCRIPT_PROPS_H +#include FT_SERVICE_CID_H +#include FT_SERVICE_POSTSCRIPT_INFO_H +#include FT_SERVICE_POSTSCRIPT_NAME_H +#include FT_SERVICE_TT_CMAP_H +#include FT_SERVICE_CFF_TABLE_LOAD_H + +#include "cffdrivr.h" +#include "cffgload.h" +#include "cffload.h" +#include "cffcmap.h" +#include "cffparse.h" +#include "cffobjs.h" + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include FT_SERVICE_MULTIPLE_MASTERS_H +#include FT_SERVICE_METRICS_VARIATIONS_H +#endif + +#include "cfferrs.h" +#include "cffpic.h" + +#include FT_SERVICE_FONT_FORMAT_H +#include FT_SERVICE_GLYPH_DICT_H +#include FT_SERVICE_PROPERTIES_H +#include FT_DRIVER_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cffdriver + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** F A C E S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cff_get_kerning */ + /* */ + /* <Description> */ + /* A driver method used to return the kerning vector between two */ + /* glyphs of the same face. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* left_glyph :: The index of the left glyph in the kern pair. */ + /* */ + /* right_glyph :: The index of the right glyph in the kern pair. */ + /* */ + /* <Output> */ + /* kerning :: The kerning vector. This is in font units for */ + /* scalable formats, and in pixels for fixed-sizes */ + /* formats. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* Only horizontal layouts (left-to-right & right-to-left) are */ + /* supported by this function. Other layouts, or more sophisticated */ + /* kernings, are out of scope of this method (the basic driver */ + /* interface is meant to be simple). */ + /* */ + /* They can be implemented by format-specific interfaces. */ + /* */ + FT_CALLBACK_DEF( FT_Error ) + cff_get_kerning( FT_Face ttface, /* TT_Face */ + FT_UInt left_glyph, + FT_UInt right_glyph, + FT_Vector* kerning ) + { + TT_Face face = (TT_Face)ttface; + SFNT_Service sfnt = (SFNT_Service)face->sfnt; + + + kerning->x = 0; + kerning->y = 0; + + if ( sfnt ) + kerning->x = sfnt->get_kerning( face, left_glyph, right_glyph ); + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cff_glyph_load */ + /* */ + /* <Description> */ + /* A driver method used to load a glyph within a given glyph slot. */ + /* */ + /* <Input> */ + /* slot :: A handle to the target slot object where the glyph */ + /* will be loaded. */ + /* */ + /* size :: A handle to the source face size at which the glyph */ + /* must be scaled, loaded, etc. */ + /* */ + /* glyph_index :: The index of the glyph in the font file. */ + /* */ + /* load_flags :: A flag indicating what to load for this glyph. The */ + /* FT_LOAD_??? constants can be used to control the */ + /* glyph loading process (e.g., whether the outline */ + /* should be scaled, whether to load bitmaps or not, */ + /* whether to hint the outline, etc). */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_CALLBACK_DEF( FT_Error ) + cff_glyph_load( FT_GlyphSlot cffslot, /* CFF_GlyphSlot */ + FT_Size cffsize, /* CFF_Size */ + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + FT_Error error; + CFF_GlyphSlot slot = (CFF_GlyphSlot)cffslot; + CFF_Size size = (CFF_Size)cffsize; + + + if ( !slot ) + return FT_THROW( Invalid_Slot_Handle ); + + FT_TRACE1(( "cff_glyph_load: glyph index %d\n", glyph_index )); + + /* check whether we want a scaled outline or bitmap */ + if ( !size ) + load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING; + + /* reset the size object if necessary */ + if ( load_flags & FT_LOAD_NO_SCALE ) + size = NULL; + + if ( size ) + { + /* these two objects must have the same parent */ + if ( cffsize->face != cffslot->face ) + return FT_THROW( Invalid_Face_Handle ); + } + + /* now load the glyph outline if necessary */ + error = cff_slot_load( slot, size, glyph_index, load_flags ); + + /* force drop-out mode to 2 - irrelevant now */ + /* slot->outline.dropout_mode = 2; */ + + return error; + } + + + FT_CALLBACK_DEF( FT_Error ) + cff_get_advances( FT_Face face, + FT_UInt start, + FT_UInt count, + FT_Int32 flags, + FT_Fixed* advances ) + { + FT_UInt nn; + FT_Error error = FT_Err_Ok; + FT_GlyphSlot slot = face->glyph; + + + if ( FT_IS_SFNT( face ) ) + { + /* OpenType 1.7 mandates that the data from `hmtx' table be used; */ + /* it is no longer necessary that those values are identical to */ + /* the values in the `CFF' table */ + + TT_Face ttface = (TT_Face)face; + FT_Short dummy; + + + if ( flags & FT_LOAD_VERTICAL_LAYOUT ) + { +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* no fast retrieval for blended MM fonts without VVAR table */ + if ( ( FT_IS_NAMED_INSTANCE( face ) || FT_IS_VARIATION( face ) ) && + !( ttface->variation_support & TT_FACE_FLAG_VAR_VADVANCE ) ) + return FT_THROW( Unimplemented_Feature ); +#endif + + /* check whether we have data from the `vmtx' table at all; */ + /* otherwise we extract the info from the CFF glyphstrings */ + /* (instead of synthesizing a global value using the `OS/2' */ + /* table) */ + if ( !ttface->vertical_info ) + goto Missing_Table; + + for ( nn = 0; nn < count; nn++ ) + { + FT_UShort ah; + + + ( (SFNT_Service)ttface->sfnt )->get_metrics( ttface, + 1, + start + nn, + &dummy, + &ah ); + + FT_TRACE5(( " idx %d: advance height %d font unit%s\n", + start + nn, + ah, + ah == 1 ? "" : "s" )); + advances[nn] = ah; + } + } + else + { +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* no fast retrieval for blended MM fonts without HVAR table */ + if ( ( FT_IS_NAMED_INSTANCE( face ) || FT_IS_VARIATION( face ) ) && + !( ttface->variation_support & TT_FACE_FLAG_VAR_HADVANCE ) ) + return FT_THROW( Unimplemented_Feature ); +#endif + + /* check whether we have data from the `hmtx' table at all */ + if ( !ttface->horizontal.number_Of_HMetrics ) + goto Missing_Table; + + for ( nn = 0; nn < count; nn++ ) + { + FT_UShort aw; + + + ( (SFNT_Service)ttface->sfnt )->get_metrics( ttface, + 0, + start + nn, + &dummy, + &aw ); + + FT_TRACE5(( " idx %d: advance width %d font unit%s\n", + start + nn, + aw, + aw == 1 ? "" : "s" )); + advances[nn] = aw; + } + } + + return error; + } + + Missing_Table: + flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY; + + for ( nn = 0; nn < count; nn++ ) + { + error = cff_glyph_load( slot, face->size, start + nn, flags ); + if ( error ) + break; + + advances[nn] = ( flags & FT_LOAD_VERTICAL_LAYOUT ) + ? slot->linearVertAdvance + : slot->linearHoriAdvance; + } + + return error; + } + + + /* + * GLYPH DICT SERVICE + * + */ + + static FT_Error + cff_get_glyph_name( CFF_Face face, + FT_UInt glyph_index, + FT_Pointer buffer, + FT_UInt buffer_max ) + { + CFF_Font font = (CFF_Font)face->extra.data; + FT_String* gname; + FT_UShort sid; + FT_Error error; + + + /* CFF2 table does not have glyph names; */ + /* we need to use `post' table method */ + if ( font->version_major == 2 ) + { + FT_Library library = FT_FACE_LIBRARY( face ); + FT_Module sfnt_module = FT_Get_Module( library, "sfnt" ); + FT_Service_GlyphDict service = + (FT_Service_GlyphDict)ft_module_get_service( + sfnt_module, + FT_SERVICE_ID_GLYPH_DICT, + 0 ); + + + if ( service && service->get_name ) + return service->get_name( FT_FACE( face ), + glyph_index, + buffer, + buffer_max ); + else + { + FT_ERROR(( "cff_get_glyph_name:" + " cannot get glyph name from a CFF2 font\n" + " " + " without the `PSNames' module\n" )); + error = FT_THROW( Missing_Module ); + goto Exit; + } + } + + if ( !font->psnames ) + { + FT_ERROR(( "cff_get_glyph_name:" + " cannot get glyph name from CFF & CEF fonts\n" + " " + " without the `PSNames' module\n" )); + error = FT_THROW( Missing_Module ); + goto Exit; + } + + /* first, locate the sid in the charset table */ + sid = font->charset.sids[glyph_index]; + + /* now, lookup the name itself */ + gname = cff_index_get_sid_string( font, sid ); + + if ( gname ) + FT_STRCPYN( buffer, gname, buffer_max ); + + error = FT_Err_Ok; + + Exit: + return error; + } + + + static FT_UInt + cff_get_name_index( CFF_Face face, + FT_String* glyph_name ) + { + CFF_Font cff; + CFF_Charset charset; + FT_Service_PsCMaps psnames; + FT_String* name; + FT_UShort sid; + FT_UInt i; + + + cff = (CFF_FontRec *)face->extra.data; + charset = &cff->charset; + + /* CFF2 table does not have glyph names; */ + /* we need to use `post' table method */ + if ( cff->version_major == 2 ) + { + FT_Library library = FT_FACE_LIBRARY( face ); + FT_Module sfnt_module = FT_Get_Module( library, "sfnt" ); + FT_Service_GlyphDict service = + (FT_Service_GlyphDict)ft_module_get_service( + sfnt_module, + FT_SERVICE_ID_GLYPH_DICT, + 0 ); + + + if ( service && service->name_index ) + return service->name_index( FT_FACE( face ), glyph_name ); + else + { + FT_ERROR(( "cff_get_name_index:" + " cannot get glyph index from a CFF2 font\n" + " " + " without the `PSNames' module\n" )); + return 0; + } + } + + FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); + if ( !psnames ) + return 0; + + for ( i = 0; i < cff->num_glyphs; i++ ) + { + sid = charset->sids[i]; + + if ( sid > 390 ) + name = cff_index_get_string( cff, sid - 391 ); + else + name = (FT_String *)psnames->adobe_std_strings( sid ); + + if ( !name ) + continue; + + if ( !ft_strcmp( glyph_name, name ) ) + return i; + } + + return 0; + } + + + FT_DEFINE_SERVICE_GLYPHDICTREC( + cff_service_glyph_dict, + + (FT_GlyphDict_GetNameFunc) cff_get_glyph_name, /* get_name */ + (FT_GlyphDict_NameIndexFunc)cff_get_name_index /* name_index */ + ) + + + /* + * POSTSCRIPT INFO SERVICE + * + */ + + static FT_Int + cff_ps_has_glyph_names( FT_Face face ) + { + return ( face->face_flags & FT_FACE_FLAG_GLYPH_NAMES ) > 0; + } + + + static FT_Error + cff_ps_get_font_info( CFF_Face face, + PS_FontInfoRec* afont_info ) + { + CFF_Font cff = (CFF_Font)face->extra.data; + FT_Error error = FT_Err_Ok; + + + if ( cff && !cff->font_info ) + { + CFF_FontRecDict dict = &cff->top_font.font_dict; + PS_FontInfoRec *font_info = NULL; + FT_Memory memory = face->root.memory; + + + if ( FT_ALLOC( font_info, sizeof ( *font_info ) ) ) + goto Fail; + + font_info->version = cff_index_get_sid_string( cff, + dict->version ); + font_info->notice = cff_index_get_sid_string( cff, + dict->notice ); + font_info->full_name = cff_index_get_sid_string( cff, + dict->full_name ); + font_info->family_name = cff_index_get_sid_string( cff, + dict->family_name ); + font_info->weight = cff_index_get_sid_string( cff, + dict->weight ); + font_info->italic_angle = dict->italic_angle; + font_info->is_fixed_pitch = dict->is_fixed_pitch; + font_info->underline_position = (FT_Short)dict->underline_position; + font_info->underline_thickness = (FT_UShort)dict->underline_thickness; + + cff->font_info = font_info; + } + + if ( cff ) + *afont_info = *cff->font_info; + + Fail: + return error; + } + + + static FT_Error + cff_ps_get_font_extra( CFF_Face face, + PS_FontExtraRec* afont_extra ) + { + CFF_Font cff = (CFF_Font)face->extra.data; + FT_Error error = FT_Err_Ok; + + + if ( cff && cff->font_extra == NULL ) + { + CFF_FontRecDict dict = &cff->top_font.font_dict; + PS_FontExtraRec* font_extra = NULL; + FT_Memory memory = face->root.memory; + FT_String* embedded_postscript; + + + if ( FT_ALLOC( font_extra, sizeof ( *font_extra ) ) ) + goto Fail; + + font_extra->fs_type = 0U; + + embedded_postscript = cff_index_get_sid_string( + cff, + dict->embedded_postscript ); + if ( embedded_postscript ) + { + FT_String* start_fstype; + FT_String* start_def; + + + /* Identify the XYZ integer in `/FSType XYZ def' substring. */ + if ( ( start_fstype = ft_strstr( embedded_postscript, + "/FSType" ) ) != NULL && + ( start_def = ft_strstr( start_fstype + + sizeof ( "/FSType" ) - 1, + "def" ) ) != NULL ) + { + FT_String* s; + + + for ( s = start_fstype + sizeof ( "/FSType" ) - 1; + s != start_def; + s++ ) + { + if ( *s >= '0' && *s <= '9' ) + { + if ( font_extra->fs_type >= ( FT_USHORT_MAX - 9 ) / 10 ) + { + /* Overflow - ignore the FSType value. */ + font_extra->fs_type = 0U; + break; + } + + font_extra->fs_type *= 10; + font_extra->fs_type += (FT_UShort)( *s - '0' ); + } + else if ( *s != ' ' && *s != '\n' && *s != '\r' ) + { + /* Non-whitespace character between `/FSType' and next `def' */ + /* - ignore the FSType value. */ + font_extra->fs_type = 0U; + break; + } + } + } + } + + cff->font_extra = font_extra; + } + + if ( cff ) + *afont_extra = *cff->font_extra; + + Fail: + return error; + } + + + FT_DEFINE_SERVICE_PSINFOREC( + cff_service_ps_info, + + (PS_GetFontInfoFunc) cff_ps_get_font_info, /* ps_get_font_info */ + (PS_GetFontExtraFunc) cff_ps_get_font_extra, /* ps_get_font_extra */ + (PS_HasGlyphNamesFunc) cff_ps_has_glyph_names, /* ps_has_glyph_names */ + /* unsupported with CFF fonts */ + (PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */ + /* not implemented */ + (PS_GetFontValueFunc) NULL /* ps_get_font_value */ + ) + + + /* + * POSTSCRIPT NAME SERVICE + * + */ + + static const char* + cff_get_ps_name( CFF_Face face ) + { + CFF_Font cff = (CFF_Font)face->extra.data; + SFNT_Service sfnt = (SFNT_Service)face->sfnt; + + + /* following the OpenType specification 1.7, we return the name stored */ + /* in the `name' table for a CFF wrapped into an SFNT container */ + + if ( FT_IS_SFNT( FT_FACE( face ) ) && sfnt ) + { + FT_Library library = FT_FACE_LIBRARY( face ); + FT_Module sfnt_module = FT_Get_Module( library, "sfnt" ); + FT_Service_PsFontName service = + (FT_Service_PsFontName)ft_module_get_service( + sfnt_module, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, + 0 ); + + + if ( service && service->get_ps_font_name ) + return service->get_ps_font_name( FT_FACE( face ) ); + } + + return (const char*)cff->font_name; + } + + + FT_DEFINE_SERVICE_PSFONTNAMEREC( + cff_service_ps_name, + + (FT_PsName_GetFunc)cff_get_ps_name /* get_ps_font_name */ + ) + + + /* + * TT CMAP INFO + * + * If the charmap is a synthetic Unicode encoding cmap or + * a Type 1 standard (or expert) encoding cmap, hide TT CMAP INFO + * service defined in SFNT module. + * + * Otherwise call the service function in the sfnt module. + * + */ + static FT_Error + cff_get_cmap_info( FT_CharMap charmap, + TT_CMapInfo *cmap_info ) + { + FT_CMap cmap = FT_CMAP( charmap ); + FT_Error error = FT_Err_Ok; + + FT_Face face = FT_CMAP_FACE( cmap ); + FT_Library library = FT_FACE_LIBRARY( face ); + + + if ( cmap->clazz != &CFF_CMAP_ENCODING_CLASS_REC_GET && + cmap->clazz != &CFF_CMAP_UNICODE_CLASS_REC_GET ) + { + FT_Module sfnt = FT_Get_Module( library, "sfnt" ); + FT_Service_TTCMaps service = + (FT_Service_TTCMaps)ft_module_get_service( sfnt, + FT_SERVICE_ID_TT_CMAP, + 0 ); + + + if ( service && service->get_cmap_info ) + error = service->get_cmap_info( charmap, cmap_info ); + } + else + error = FT_THROW( Invalid_CharMap_Format ); + + return error; + } + + + FT_DEFINE_SERVICE_TTCMAPSREC( + cff_service_get_cmap_info, + + (TT_CMap_Info_GetFunc)cff_get_cmap_info /* get_cmap_info */ + ) + + + /* + * CID INFO SERVICE + * + */ + static FT_Error + cff_get_ros( CFF_Face face, + const char* *registry, + const char* *ordering, + FT_Int *supplement ) + { + FT_Error error = FT_Err_Ok; + CFF_Font cff = (CFF_Font)face->extra.data; + + + if ( cff ) + { + CFF_FontRecDict dict = &cff->top_font.font_dict; + + + if ( dict->cid_registry == 0xFFFFU ) + { + error = FT_THROW( Invalid_Argument ); + goto Fail; + } + + if ( registry ) + { + if ( !cff->registry ) + cff->registry = cff_index_get_sid_string( cff, + dict->cid_registry ); + *registry = cff->registry; + } + + if ( ordering ) + { + if ( !cff->ordering ) + cff->ordering = cff_index_get_sid_string( cff, + dict->cid_ordering ); + *ordering = cff->ordering; + } + + /* + * XXX: According to Adobe TechNote #5176, the supplement in CFF + * can be a real number. We truncate it to fit public API + * since freetype-2.3.6. + */ + if ( supplement ) + { + if ( dict->cid_supplement < FT_INT_MIN || + dict->cid_supplement > FT_INT_MAX ) + FT_TRACE1(( "cff_get_ros: too large supplement %d is truncated\n", + dict->cid_supplement )); + *supplement = (FT_Int)dict->cid_supplement; + } + } + + Fail: + return error; + } + + + static FT_Error + cff_get_is_cid( CFF_Face face, + FT_Bool *is_cid ) + { + FT_Error error = FT_Err_Ok; + CFF_Font cff = (CFF_Font)face->extra.data; + + + *is_cid = 0; + + if ( cff ) + { + CFF_FontRecDict dict = &cff->top_font.font_dict; + + + if ( dict->cid_registry != 0xFFFFU ) + *is_cid = 1; + } + + return error; + } + + + static FT_Error + cff_get_cid_from_glyph_index( CFF_Face face, + FT_UInt glyph_index, + FT_UInt *cid ) + { + FT_Error error = FT_Err_Ok; + CFF_Font cff; + + + cff = (CFF_Font)face->extra.data; + + if ( cff ) + { + FT_UInt c; + CFF_FontRecDict dict = &cff->top_font.font_dict; + + + if ( dict->cid_registry == 0xFFFFU ) + { + error = FT_THROW( Invalid_Argument ); + goto Fail; + } + + if ( glyph_index > cff->num_glyphs ) + { + error = FT_THROW( Invalid_Argument ); + goto Fail; + } + + c = cff->charset.sids[glyph_index]; + + if ( cid ) + *cid = c; + } + + Fail: + return error; + } + + + FT_DEFINE_SERVICE_CIDREC( + cff_service_cid_info, + + (FT_CID_GetRegistryOrderingSupplementFunc) + cff_get_ros, /* get_ros */ + (FT_CID_GetIsInternallyCIDKeyedFunc) + cff_get_is_cid, /* get_is_cid */ + (FT_CID_GetCIDFromGlyphIndexFunc) + cff_get_cid_from_glyph_index /* get_cid_from_glyph_index */ + ) + + + /* + * PROPERTY SERVICE + * + */ + + FT_DEFINE_SERVICE_PROPERTIESREC( + cff_service_properties, + + (FT_Properties_SetFunc)ps_property_set, /* set_property */ + (FT_Properties_GetFunc)ps_property_get ) /* get_property */ + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + /* + * MULTIPLE MASTER SERVICE + * + */ + + static FT_Error + cff_set_mm_blend( CFF_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + + + return mm->set_mm_blend( FT_FACE( face ), num_coords, coords ); + } + + + static FT_Error + cff_get_mm_blend( CFF_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + + + return mm->get_mm_blend( FT_FACE( face ), num_coords, coords ); + } + + + static FT_Error + cff_get_mm_var( CFF_Face face, + FT_MM_Var* *master ) + { + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + + + return mm->get_mm_var( FT_FACE( face ), master ); + } + + + static FT_Error + cff_set_var_design( CFF_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + + + return mm->set_var_design( FT_FACE( face ), num_coords, coords ); + } + + + static FT_Error + cff_get_var_design( CFF_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + + + return mm->get_var_design( FT_FACE( face ), num_coords, coords ); + } + + + static FT_Error + cff_set_instance( CFF_Face face, + FT_UInt instance_index ) + { + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + + + return mm->set_instance( FT_FACE( face ), instance_index ); + } + + + FT_DEFINE_SERVICE_MULTIMASTERSREC( + cff_service_multi_masters, + + (FT_Get_MM_Func) NULL, /* get_mm */ + (FT_Set_MM_Design_Func) NULL, /* set_mm_design */ + (FT_Set_MM_Blend_Func) cff_set_mm_blend, /* set_mm_blend */ + (FT_Get_MM_Blend_Func) cff_get_mm_blend, /* get_mm_blend */ + (FT_Get_MM_Var_Func) cff_get_mm_var, /* get_mm_var */ + (FT_Set_Var_Design_Func)cff_set_var_design, /* set_var_design */ + (FT_Get_Var_Design_Func)cff_get_var_design, /* get_var_design */ + (FT_Set_Instance_Func) cff_set_instance, /* set_instance */ + + (FT_Get_Var_Blend_Func) cff_get_var_blend, /* get_var_blend */ + (FT_Done_Blend_Func) cff_done_blend /* done_blend */ + ) + + + /* + * METRICS VARIATIONS SERVICE + * + */ + + static FT_Error + cff_hadvance_adjust( CFF_Face face, + FT_UInt gindex, + FT_Int *avalue ) + { + FT_Service_MetricsVariations var = (FT_Service_MetricsVariations)face->var; + + + return var->hadvance_adjust( FT_FACE( face ), gindex, avalue ); + } + + + static void + cff_metrics_adjust( CFF_Face face ) + { + FT_Service_MetricsVariations var = (FT_Service_MetricsVariations)face->var; + + + var->metrics_adjust( FT_FACE( face ) ); + } + + + FT_DEFINE_SERVICE_METRICSVARIATIONSREC( + cff_service_metrics_variations, + + (FT_HAdvance_Adjust_Func)cff_hadvance_adjust, /* hadvance_adjust */ + (FT_LSB_Adjust_Func) NULL, /* lsb_adjust */ + (FT_RSB_Adjust_Func) NULL, /* rsb_adjust */ + + (FT_VAdvance_Adjust_Func)NULL, /* vadvance_adjust */ + (FT_TSB_Adjust_Func) NULL, /* tsb_adjust */ + (FT_BSB_Adjust_Func) NULL, /* bsb_adjust */ + (FT_VOrg_Adjust_Func) NULL, /* vorg_adjust */ + + (FT_Metrics_Adjust_Func) cff_metrics_adjust /* metrics_adjust */ + ) +#endif + + + /* + * CFFLOAD SERVICE + * + */ + + FT_DEFINE_SERVICE_CFFLOADREC( + cff_service_cff_load, + + (FT_Get_Standard_Encoding_Func)cff_get_standard_encoding, + (FT_Load_Private_Dict_Func) cff_load_private_dict, + (FT_FD_Select_Get_Func) cff_fd_select_get, + (FT_Blend_Check_Vector_Func) cff_blend_check_vector, + (FT_Blend_Build_Vector_Func) cff_blend_build_vector + ) + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** D R I V E R I N T E R F A C E ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + +#if !defined FT_CONFIG_OPTION_NO_GLYPH_NAMES && \ + defined TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_DEFINE_SERVICEDESCREC10( + cff_services, + + FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CFF, + FT_SERVICE_ID_MULTI_MASTERS, &CFF_SERVICE_MULTI_MASTERS_GET, + FT_SERVICE_ID_METRICS_VARIATIONS, &CFF_SERVICE_METRICS_VAR_GET, + FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_GLYPH_DICT, &CFF_SERVICE_GLYPH_DICT_GET, + FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET, + FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET, + FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET, + FT_SERVICE_ID_CFF_LOAD, &CFF_SERVICE_CFF_LOAD_GET + ) +#elif !defined FT_CONFIG_OPTION_NO_GLYPH_NAMES + FT_DEFINE_SERVICEDESCREC8( + cff_services, + + FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CFF, + FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_GLYPH_DICT, &CFF_SERVICE_GLYPH_DICT_GET, + FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET, + FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET, + FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET, + FT_SERVICE_ID_CFF_LOAD, &CFF_SERVICE_CFF_LOAD_GET + ) +#elif defined TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_DEFINE_SERVICEDESCREC9( + cff_services, + + FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CFF, + FT_SERVICE_ID_MULTI_MASTERS, &CFF_SERVICE_MULTI_MASTERS_GET, + FT_SERVICE_ID_METRICS_VARIATIONS, &CFF_SERVICE_METRICS_VAR_GET, + FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET, + FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET, + FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET, + FT_SERVICE_ID_CFF_LOAD, &CFF_SERVICE_CFF_LOAD_GET + ) +#else + FT_DEFINE_SERVICEDESCREC7( + cff_services, + + FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CFF, + FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET, + FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET, + FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET, + FT_SERVICE_ID_CFF_LOAD, &CFF_SERVICE_CFF_LOAD_GET + ) +#endif + + + FT_CALLBACK_DEF( FT_Module_Interface ) + cff_get_interface( FT_Module driver, /* CFF_Driver */ + const char* module_interface ) + { + FT_Library library; + FT_Module sfnt; + FT_Module_Interface result; + + + /* CFF_SERVICES_GET dereferences `library' in PIC mode */ +#ifdef FT_CONFIG_OPTION_PIC + if ( !driver ) + return NULL; + library = driver->library; + if ( !library ) + return NULL; +#endif + + result = ft_service_list_lookup( CFF_SERVICES_GET, module_interface ); + if ( result ) + return result; + + /* `driver' is not yet evaluated in non-PIC mode */ +#ifndef FT_CONFIG_OPTION_PIC + if ( !driver ) + return NULL; + library = driver->library; + if ( !library ) + return NULL; +#endif + + /* we pass our request to the `sfnt' module */ + sfnt = FT_Get_Module( library, "sfnt" ); + + return sfnt ? sfnt->clazz->get_interface( sfnt, module_interface ) : 0; + } + + + /* The FT_DriverInterface structure is defined in ftdriver.h. */ + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS +#define CFF_SIZE_SELECT cff_size_select +#else +#define CFF_SIZE_SELECT 0 +#endif + + FT_DEFINE_DRIVER( + cff_driver_class, + + FT_MODULE_FONT_DRIVER | + FT_MODULE_DRIVER_SCALABLE | + FT_MODULE_DRIVER_HAS_HINTER | + FT_MODULE_DRIVER_HINTS_LIGHTLY, + + sizeof ( PS_DriverRec ), + "cff", + 0x10000L, + 0x20000L, + + NULL, /* module-specific interface */ + + cff_driver_init, /* FT_Module_Constructor module_init */ + cff_driver_done, /* FT_Module_Destructor module_done */ + cff_get_interface, /* FT_Module_Requester get_interface */ + + sizeof ( TT_FaceRec ), + sizeof ( CFF_SizeRec ), + sizeof ( CFF_GlyphSlotRec ), + + cff_face_init, /* FT_Face_InitFunc init_face */ + cff_face_done, /* FT_Face_DoneFunc done_face */ + cff_size_init, /* FT_Size_InitFunc init_size */ + cff_size_done, /* FT_Size_DoneFunc done_size */ + cff_slot_init, /* FT_Slot_InitFunc init_slot */ + cff_slot_done, /* FT_Slot_DoneFunc done_slot */ + + cff_glyph_load, /* FT_Slot_LoadFunc load_glyph */ + + cff_get_kerning, /* FT_Face_GetKerningFunc get_kerning */ + NULL, /* FT_Face_AttachFunc attach_file */ + cff_get_advances, /* FT_Face_GetAdvancesFunc get_advances */ + + cff_size_request, /* FT_Size_RequestFunc request_size */ + CFF_SIZE_SELECT /* FT_Size_SelectFunc select_size */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffdrivr.h b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffdrivr.h new file mode 100644 index 00000000000..ad7c3ad70a8 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffdrivr.h @@ -0,0 +1,38 @@ +/***************************************************************************/ +/* */ +/* cffdrivr.h */ +/* */ +/* High-level OpenType driver interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFDRIVER_H_ +#define CFFDRIVER_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_DRIVER_H + + +FT_BEGIN_HEADER + + + FT_DECLARE_DRIVER( cff_driver_class ) + + +FT_END_HEADER + +#endif /* CFFDRIVER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cfferrs.h b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cfferrs.h new file mode 100644 index 00000000000..b2e1bfaf9db --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cfferrs.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* cfferrs.h */ +/* */ +/* CFF error codes (specification only). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the CFF error enumeration constants. */ + /* */ + /*************************************************************************/ + +#ifndef CFFERRS_H_ +#define CFFERRS_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX CFF_Err_ +#define FT_ERR_BASE FT_Mod_Err_CFF + + +#include FT_ERRORS_H + +#endif /* CFFERRS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffgload.c b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffgload.c new file mode 100644 index 00000000000..c58471ce861 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffgload.c @@ -0,0 +1,683 @@ +/***************************************************************************/ +/* */ +/* cffgload.c */ +/* */ +/* OpenType Glyph Loader (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_SFNT_H +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_OUTLINE_H +#include FT_DRIVER_H + +#include "cffload.h" +#include "cffgload.h" + +#include "cfferrs.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cffgload + + + FT_LOCAL_DEF( FT_Error ) + cff_get_glyph_data( TT_Face face, + FT_UInt glyph_index, + FT_Byte** pointer, + FT_ULong* length ) + { +#ifdef FT_CONFIG_OPTION_INCREMENTAL + /* For incremental fonts get the character data using the */ + /* callback function. */ + if ( face->root.internal->incremental_interface ) + { + FT_Data data; + FT_Error error = + face->root.internal->incremental_interface->funcs->get_glyph_data( + face->root.internal->incremental_interface->object, + glyph_index, &data ); + + + *pointer = (FT_Byte*)data.pointer; + *length = (FT_ULong)data.length; + + return error; + } + else +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + { + CFF_Font cff = (CFF_Font)(face->extra.data); + + + return cff_index_access_element( &cff->charstrings_index, glyph_index, + pointer, length ); + } + } + + + FT_LOCAL_DEF( void ) + cff_free_glyph_data( TT_Face face, + FT_Byte** pointer, + FT_ULong length ) + { +#ifndef FT_CONFIG_OPTION_INCREMENTAL + FT_UNUSED( length ); +#endif + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + /* For incremental fonts get the character data using the */ + /* callback function. */ + if ( face->root.internal->incremental_interface ) + { + FT_Data data; + + + data.pointer = *pointer; + data.length = (FT_Int)length; + + face->root.internal->incremental_interface->funcs->free_glyph_data( + face->root.internal->incremental_interface->object, &data ); + } + else +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + { + CFF_Font cff = (CFF_Font)(face->extra.data); + + + cff_index_forget_element( &cff->charstrings_index, pointer ); + } + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /********** *********/ + /********** *********/ + /********** COMPUTE THE MAXIMUM ADVANCE WIDTH *********/ + /********** *********/ + /********** The following code is in charge of computing *********/ + /********** the maximum advance width of the font. It *********/ + /********** quickly processes each glyph charstring to *********/ + /********** extract the value from either a `sbw' or `seac' *********/ + /********** operator. *********/ + /********** *********/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + +#if 0 /* unused until we support pure CFF fonts */ + + + FT_LOCAL_DEF( FT_Error ) + cff_compute_max_advance( TT_Face face, + FT_Int* max_advance ) + { + FT_Error error = FT_Err_Ok; + CFF_Decoder decoder; + FT_Int glyph_index; + CFF_Font cff = (CFF_Font)face->other; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + const CFF_Decoder_Funcs decoder_funcs = psaux->cff_decoder_funcs; + + + *max_advance = 0; + + /* Initialize load decoder */ + decoder_funcs->init( &decoder, face, 0, 0, 0, 0, 0, 0 ); + + decoder.builder.metrics_only = 1; + decoder.builder.load_points = 0; + + /* For each glyph, parse the glyph charstring and extract */ + /* the advance width. */ + for ( glyph_index = 0; glyph_index < face->root.num_glyphs; + glyph_index++ ) + { + FT_Byte* charstring; + FT_ULong charstring_len; + + + /* now get load the unscaled outline */ + error = cff_get_glyph_data( face, glyph_index, + &charstring, &charstring_len ); + if ( !error ) + { + error = decoder_funcs->prepare( &decoder, size, glyph_index ); + if ( !error ) + error = decoder_funcs->parse_charstrings_old( &decoder, + charstring, + charstring_len, + 0 ); + + cff_free_glyph_data( face, &charstring, &charstring_len ); + } + + /* ignore the error if one has occurred -- skip to next glyph */ + error = FT_Err_Ok; + } + + *max_advance = decoder.builder.advance.x; + + return FT_Err_Ok; + } + + +#endif /* 0 */ + + + FT_LOCAL_DEF( FT_Error ) + cff_slot_load( CFF_GlyphSlot glyph, + CFF_Size size, + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + FT_Error error; + CFF_Decoder decoder; + PS_Decoder psdecoder; + TT_Face face = (TT_Face)glyph->root.face; + FT_Bool hinting, scaled, force_scaling; + CFF_Font cff = (CFF_Font)face->extra.data; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + const CFF_Decoder_Funcs decoder_funcs = psaux->cff_decoder_funcs; + + FT_Matrix font_matrix; + FT_Vector font_offset; + + + force_scaling = FALSE; + + /* in a CID-keyed font, consider `glyph_index' as a CID and map */ + /* it immediately to the real glyph_index -- if it isn't a */ + /* subsetted font, glyph_indices and CIDs are identical, though */ + if ( cff->top_font.font_dict.cid_registry != 0xFFFFU && + cff->charset.cids ) + { + /* don't handle CID 0 (.notdef) which is directly mapped to GID 0 */ + if ( glyph_index != 0 ) + { + glyph_index = cff_charset_cid_to_gindex( &cff->charset, + glyph_index ); + if ( glyph_index == 0 ) + return FT_THROW( Invalid_Argument ); + } + } + else if ( glyph_index >= cff->num_glyphs ) + return FT_THROW( Invalid_Argument ); + + if ( load_flags & FT_LOAD_NO_RECURSE ) + load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING; + + glyph->x_scale = 0x10000L; + glyph->y_scale = 0x10000L; + if ( size ) + { + glyph->x_scale = size->root.metrics.x_scale; + glyph->y_scale = size->root.metrics.y_scale; + } + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + /* try to load embedded bitmap if any */ + /* */ + /* XXX: The convention should be emphasized in */ + /* the documents because it can be confusing. */ + if ( size ) + { + CFF_Face cff_face = (CFF_Face)size->root.face; + SFNT_Service sfnt = (SFNT_Service)cff_face->sfnt; + FT_Stream stream = cff_face->root.stream; + + + if ( size->strike_index != 0xFFFFFFFFUL && + sfnt->load_eblc && + ( load_flags & FT_LOAD_NO_BITMAP ) == 0 ) + { + TT_SBit_MetricsRec metrics; + + + error = sfnt->load_sbit_image( face, + size->strike_index, + glyph_index, + (FT_UInt)load_flags, + stream, + &glyph->root.bitmap, + &metrics ); + + if ( !error ) + { + FT_Bool has_vertical_info; + FT_UShort advance; + FT_Short dummy; + + + glyph->root.outline.n_points = 0; + glyph->root.outline.n_contours = 0; + + glyph->root.metrics.width = (FT_Pos)metrics.width << 6; + glyph->root.metrics.height = (FT_Pos)metrics.height << 6; + + glyph->root.metrics.horiBearingX = (FT_Pos)metrics.horiBearingX << 6; + glyph->root.metrics.horiBearingY = (FT_Pos)metrics.horiBearingY << 6; + glyph->root.metrics.horiAdvance = (FT_Pos)metrics.horiAdvance << 6; + + glyph->root.metrics.vertBearingX = (FT_Pos)metrics.vertBearingX << 6; + glyph->root.metrics.vertBearingY = (FT_Pos)metrics.vertBearingY << 6; + glyph->root.metrics.vertAdvance = (FT_Pos)metrics.vertAdvance << 6; + + glyph->root.format = FT_GLYPH_FORMAT_BITMAP; + + if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) + { + glyph->root.bitmap_left = metrics.vertBearingX; + glyph->root.bitmap_top = metrics.vertBearingY; + } + else + { + glyph->root.bitmap_left = metrics.horiBearingX; + glyph->root.bitmap_top = metrics.horiBearingY; + } + + /* compute linear advance widths */ + + (void)( (SFNT_Service)face->sfnt )->get_metrics( face, 0, + glyph_index, + &dummy, + &advance ); + glyph->root.linearHoriAdvance = advance; + + has_vertical_info = FT_BOOL( + face->vertical_info && + face->vertical.number_Of_VMetrics > 0 ); + + /* get the vertical metrics from the vmtx table if we have one */ + if ( has_vertical_info ) + { + (void)( (SFNT_Service)face->sfnt )->get_metrics( face, 1, + glyph_index, + &dummy, + &advance ); + glyph->root.linearVertAdvance = advance; + } + else + { + /* make up vertical ones */ + if ( face->os2.version != 0xFFFFU ) + glyph->root.linearVertAdvance = (FT_Pos) + ( face->os2.sTypoAscender - face->os2.sTypoDescender ); + else + glyph->root.linearVertAdvance = (FT_Pos) + ( face->horizontal.Ascender - face->horizontal.Descender ); + } + + return error; + } + } + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + /* return immediately if we only want the embedded bitmaps */ + if ( load_flags & FT_LOAD_SBITS_ONLY ) + return FT_THROW( Invalid_Argument ); + + /* if we have a CID subfont, use its matrix (which has already */ + /* been multiplied with the root matrix) */ + + /* this scaling is only relevant if the PS hinter isn't active */ + if ( cff->num_subfonts ) + { + FT_Long top_upm, sub_upm; + FT_Byte fd_index = cff_fd_select_get( &cff->fd_select, + glyph_index ); + + + if ( fd_index >= cff->num_subfonts ) + fd_index = (FT_Byte)( cff->num_subfonts - 1 ); + + top_upm = (FT_Long)cff->top_font.font_dict.units_per_em; + sub_upm = (FT_Long)cff->subfonts[fd_index]->font_dict.units_per_em; + + + font_matrix = cff->subfonts[fd_index]->font_dict.font_matrix; + font_offset = cff->subfonts[fd_index]->font_dict.font_offset; + + if ( top_upm != sub_upm ) + { + glyph->x_scale = FT_MulDiv( glyph->x_scale, top_upm, sub_upm ); + glyph->y_scale = FT_MulDiv( glyph->y_scale, top_upm, sub_upm ); + + force_scaling = TRUE; + } + } + else + { + font_matrix = cff->top_font.font_dict.font_matrix; + font_offset = cff->top_font.font_dict.font_offset; + } + + glyph->root.outline.n_points = 0; + glyph->root.outline.n_contours = 0; + + /* top-level code ensures that FT_LOAD_NO_HINTING is set */ + /* if FT_LOAD_NO_SCALE is active */ + hinting = FT_BOOL( ( load_flags & FT_LOAD_NO_HINTING ) == 0 ); + scaled = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 ); + + glyph->hint = hinting; + glyph->scaled = scaled; + glyph->root.format = FT_GLYPH_FORMAT_OUTLINE; /* by default */ + + { +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + PS_Driver driver = (PS_Driver)FT_FACE_DRIVER( face ); +#endif + + + FT_Byte* charstring; + FT_ULong charstring_len; + + + decoder_funcs->init( &decoder, face, size, glyph, hinting, + FT_LOAD_TARGET_MODE( load_flags ), + cff_get_glyph_data, + cff_free_glyph_data ); + + /* this is for pure CFFs */ + if ( load_flags & FT_LOAD_ADVANCE_ONLY ) + decoder.width_only = TRUE; + + decoder.builder.no_recurse = + (FT_Bool)( load_flags & FT_LOAD_NO_RECURSE ); + + /* now load the unscaled outline */ + error = cff_get_glyph_data( face, glyph_index, + &charstring, &charstring_len ); + if ( error ) + goto Glyph_Build_Finished; + + error = decoder_funcs->prepare( &decoder, size, glyph_index ); + if ( error ) + goto Glyph_Build_Finished; + +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + /* choose which CFF renderer to use */ + if ( driver->hinting_engine == FT_HINTING_FREETYPE ) + error = decoder_funcs->parse_charstrings_old( &decoder, + charstring, + charstring_len, + 0 ); + else +#endif + { + psaux->ps_decoder_init( &psdecoder, &decoder, FALSE ); + + error = decoder_funcs->parse_charstrings( &psdecoder, + charstring, + charstring_len ); + + /* Adobe's engine uses 16.16 numbers everywhere; */ + /* as a consequence, glyphs larger than 2000ppem get rejected */ + if ( FT_ERR_EQ( error, Glyph_Too_Big ) ) + { + /* this time, we retry unhinted and scale up the glyph later on */ + /* (the engine uses and sets the hardcoded value 0x10000 / 64 = */ + /* 0x400 for both `x_scale' and `y_scale' in this case) */ + hinting = FALSE; + force_scaling = TRUE; + glyph->hint = hinting; + + error = decoder_funcs->parse_charstrings( &psdecoder, + charstring, + charstring_len ); + } + } + + cff_free_glyph_data( face, &charstring, charstring_len ); + + if ( error ) + goto Glyph_Build_Finished; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + /* Control data and length may not be available for incremental */ + /* fonts. */ + if ( face->root.internal->incremental_interface ) + { + glyph->root.control_data = NULL; + glyph->root.control_len = 0; + } + else +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + /* We set control_data and control_len if charstrings is loaded. */ + /* See how charstring loads at cff_index_access_element() in */ + /* cffload.c. */ + { + CFF_Index csindex = &cff->charstrings_index; + + + if ( csindex->offsets ) + { + glyph->root.control_data = csindex->bytes + + csindex->offsets[glyph_index] - 1; + glyph->root.control_len = (FT_Long)charstring_len; + } + } + + Glyph_Build_Finished: + /* save new glyph tables, if no error */ + if ( !error ) + decoder.builder.funcs.done( &decoder.builder ); + /* XXX: anything to do for broken glyph entry? */ + } + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + + /* Incremental fonts can optionally override the metrics. */ + if ( !error && + face->root.internal->incremental_interface && + face->root.internal->incremental_interface->funcs->get_glyph_metrics ) + { + FT_Incremental_MetricsRec metrics; + + + metrics.bearing_x = decoder.builder.left_bearing.x; + metrics.bearing_y = 0; + metrics.advance = decoder.builder.advance.x; + metrics.advance_v = decoder.builder.advance.y; + + error = face->root.internal->incremental_interface->funcs->get_glyph_metrics( + face->root.internal->incremental_interface->object, + glyph_index, FALSE, &metrics ); + + decoder.builder.left_bearing.x = metrics.bearing_x; + decoder.builder.advance.x = metrics.advance; + decoder.builder.advance.y = metrics.advance_v; + } + +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + if ( !error ) + { + /* Now, set the metrics -- this is rather simple, as */ + /* the left side bearing is the xMin, and the top side */ + /* bearing the yMax. */ + + /* For composite glyphs, return only left side bearing and */ + /* advance width. */ + if ( load_flags & FT_LOAD_NO_RECURSE ) + { + FT_Slot_Internal internal = glyph->root.internal; + + + glyph->root.metrics.horiBearingX = decoder.builder.left_bearing.x; + glyph->root.metrics.horiAdvance = decoder.glyph_width; + internal->glyph_matrix = font_matrix; + internal->glyph_delta = font_offset; + internal->glyph_transformed = 1; + } + else + { + FT_BBox cbox; + FT_Glyph_Metrics* metrics = &glyph->root.metrics; + FT_Bool has_vertical_info; + + + if ( face->horizontal.number_Of_HMetrics ) + { + FT_Short horiBearingX = 0; + FT_UShort horiAdvance = 0; + + + ( (SFNT_Service)face->sfnt )->get_metrics( face, 0, + glyph_index, + &horiBearingX, + &horiAdvance ); + metrics->horiAdvance = horiAdvance; + metrics->horiBearingX = horiBearingX; + glyph->root.linearHoriAdvance = horiAdvance; + } + else + { + /* copy the _unscaled_ advance width */ + metrics->horiAdvance = decoder.glyph_width; + glyph->root.linearHoriAdvance = decoder.glyph_width; + } + + glyph->root.internal->glyph_transformed = 0; + + has_vertical_info = FT_BOOL( face->vertical_info && + face->vertical.number_Of_VMetrics > 0 ); + + /* get the vertical metrics from the vmtx table if we have one */ + if ( has_vertical_info ) + { + FT_Short vertBearingY = 0; + FT_UShort vertAdvance = 0; + + + ( (SFNT_Service)face->sfnt )->get_metrics( face, 1, + glyph_index, + &vertBearingY, + &vertAdvance ); + metrics->vertBearingY = vertBearingY; + metrics->vertAdvance = vertAdvance; + } + else + { + /* make up vertical ones */ + if ( face->os2.version != 0xFFFFU ) + metrics->vertAdvance = (FT_Pos)( face->os2.sTypoAscender - + face->os2.sTypoDescender ); + else + metrics->vertAdvance = (FT_Pos)( face->horizontal.Ascender - + face->horizontal.Descender ); + } + + glyph->root.linearVertAdvance = metrics->vertAdvance; + + glyph->root.format = FT_GLYPH_FORMAT_OUTLINE; + + glyph->root.outline.flags = 0; + if ( size && size->root.metrics.y_ppem < 24 ) + glyph->root.outline.flags |= FT_OUTLINE_HIGH_PRECISION; + + glyph->root.outline.flags |= FT_OUTLINE_REVERSE_FILL; + + /* apply the font matrix, if any */ + if ( font_matrix.xx != 0x10000L || font_matrix.yy != 0x10000L || + font_matrix.xy != 0 || font_matrix.yx != 0 ) + { + FT_Outline_Transform( &glyph->root.outline, &font_matrix ); + + metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, + font_matrix.xx ); + metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, + font_matrix.yy ); + } + + if ( font_offset.x || font_offset.y ) + { + FT_Outline_Translate( &glyph->root.outline, + font_offset.x, + font_offset.y ); + + metrics->horiAdvance += font_offset.x; + metrics->vertAdvance += font_offset.y; + } + + if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 || force_scaling ) + { + /* scale the outline and the metrics */ + FT_Int n; + FT_Outline* cur = &glyph->root.outline; + FT_Vector* vec = cur->points; + FT_Fixed x_scale = glyph->x_scale; + FT_Fixed y_scale = glyph->y_scale; + + + /* First of all, scale the points */ + if ( !hinting || !decoder.builder.hints_funcs ) + for ( n = cur->n_points; n > 0; n--, vec++ ) + { + vec->x = FT_MulFix( vec->x, x_scale ); + vec->y = FT_MulFix( vec->y, y_scale ); + } + + /* Then scale the metrics */ + metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, x_scale ); + metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, y_scale ); + } + + /* compute the other metrics */ + FT_Outline_Get_CBox( &glyph->root.outline, &cbox ); + + metrics->width = cbox.xMax - cbox.xMin; + metrics->height = cbox.yMax - cbox.yMin; + + metrics->horiBearingX = cbox.xMin; + metrics->horiBearingY = cbox.yMax; + + if ( has_vertical_info ) + metrics->vertBearingX = metrics->horiBearingX - + metrics->horiAdvance / 2; + else + { + if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) + ft_synthesize_vertical_metrics( metrics, + metrics->vertAdvance ); + } + } + } + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffgload.h b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffgload.h new file mode 100644 index 00000000000..803f3974fc7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffgload.h @@ -0,0 +1,63 @@ +/***************************************************************************/ +/* */ +/* cffgload.h */ +/* */ +/* OpenType Glyph Loader (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFGLOAD_H_ +#define CFFGLOAD_H_ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_CFF_OBJECTS_TYPES_H + + +FT_BEGIN_HEADER + + FT_LOCAL( FT_Error ) + cff_get_glyph_data( TT_Face face, + FT_UInt glyph_index, + FT_Byte** pointer, + FT_ULong* length ); + FT_LOCAL( void ) + cff_free_glyph_data( TT_Face face, + FT_Byte** pointer, + FT_ULong length ); + + +#if 0 /* unused until we support pure CFF fonts */ + + /* Compute the maximum advance width of a font through quick parsing */ + FT_LOCAL( FT_Error ) + cff_compute_max_advance( TT_Face face, + FT_Int* max_advance ); + +#endif /* 0 */ + + + FT_LOCAL( FT_Error ) + cff_slot_load( CFF_GlyphSlot glyph, + CFF_Size size, + FT_UInt glyph_index, + FT_Int32 load_flags ); + + +FT_END_HEADER + +#endif /* CFFGLOAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffload.c b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffload.c new file mode 100644 index 00000000000..ba49793dc8a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffload.c @@ -0,0 +1,2546 @@ +/***************************************************************************/ +/* */ +/* cffload.c */ +/* */ +/* OpenType and CFF data/program tables loader (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TAGS_H +#include FT_TYPE1_TABLES_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include FT_MULTIPLE_MASTERS_H +#include FT_SERVICE_MULTIPLE_MASTERS_H +#endif + +#include "cffload.h" +#include "cffparse.h" + +#include "cfferrs.h" + + +#define FT_FIXED_ONE ( (FT_Fixed)0x10000 ) + + +#if 1 + + static const FT_UShort cff_isoadobe_charset[229] = + { + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, + 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83, 84, 85, 86, 87, + 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, + 104, 105, 106, 107, 108, 109, 110, 111, + 112, 113, 114, 115, 116, 117, 118, 119, + 120, 121, 122, 123, 124, 125, 126, 127, + 128, 129, 130, 131, 132, 133, 134, 135, + 136, 137, 138, 139, 140, 141, 142, 143, + 144, 145, 146, 147, 148, 149, 150, 151, + 152, 153, 154, 155, 156, 157, 158, 159, + 160, 161, 162, 163, 164, 165, 166, 167, + 168, 169, 170, 171, 172, 173, 174, 175, + 176, 177, 178, 179, 180, 181, 182, 183, + 184, 185, 186, 187, 188, 189, 190, 191, + 192, 193, 194, 195, 196, 197, 198, 199, + 200, 201, 202, 203, 204, 205, 206, 207, + 208, 209, 210, 211, 212, 213, 214, 215, + 216, 217, 218, 219, 220, 221, 222, 223, + 224, 225, 226, 227, 228 + }; + + static const FT_UShort cff_expert_charset[166] = + { + 0, 1, 229, 230, 231, 232, 233, 234, + 235, 236, 237, 238, 13, 14, 15, 99, + 239, 240, 241, 242, 243, 244, 245, 246, + 247, 248, 27, 28, 249, 250, 251, 252, + 253, 254, 255, 256, 257, 258, 259, 260, + 261, 262, 263, 264, 265, 266, 109, 110, + 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, + 283, 284, 285, 286, 287, 288, 289, 290, + 291, 292, 293, 294, 295, 296, 297, 298, + 299, 300, 301, 302, 303, 304, 305, 306, + 307, 308, 309, 310, 311, 312, 313, 314, + 315, 316, 317, 318, 158, 155, 163, 319, + 320, 321, 322, 323, 324, 325, 326, 150, + 164, 169, 327, 328, 329, 330, 331, 332, + 333, 334, 335, 336, 337, 338, 339, 340, + 341, 342, 343, 344, 345, 346, 347, 348, + 349, 350, 351, 352, 353, 354, 355, 356, + 357, 358, 359, 360, 361, 362, 363, 364, + 365, 366, 367, 368, 369, 370, 371, 372, + 373, 374, 375, 376, 377, 378 + }; + + static const FT_UShort cff_expertsubset_charset[87] = + { + 0, 1, 231, 232, 235, 236, 237, 238, + 13, 14, 15, 99, 239, 240, 241, 242, + 243, 244, 245, 246, 247, 248, 27, 28, + 249, 250, 251, 253, 254, 255, 256, 257, + 258, 259, 260, 261, 262, 263, 264, 265, + 266, 109, 110, 267, 268, 269, 270, 272, + 300, 301, 302, 305, 314, 315, 158, 155, + 163, 320, 321, 322, 323, 324, 325, 326, + 150, 164, 169, 327, 328, 329, 330, 331, + 332, 333, 334, 335, 336, 337, 338, 339, + 340, 341, 342, 343, 344, 345, 346 + }; + + static const FT_UShort cff_standard_encoding[256] = + { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 1, 2, 3, 4, 5, 6, 7, 8, + 9, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 43, 44, 45, 46, 47, 48, + 49, 50, 51, 52, 53, 54, 55, 56, + 57, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70, 71, 72, + 73, 74, 75, 76, 77, 78, 79, 80, + 81, 82, 83, 84, 85, 86, 87, 88, + 89, 90, 91, 92, 93, 94, 95, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 96, 97, 98, 99, 100, 101, 102, + 103, 104, 105, 106, 107, 108, 109, 110, + 0, 111, 112, 113, 114, 0, 115, 116, + 117, 118, 119, 120, 121, 122, 0, 123, + 0, 124, 125, 126, 127, 128, 129, 130, + 131, 0, 132, 133, 0, 134, 135, 136, + 137, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 138, 0, 139, 0, 0, 0, 0, + 140, 141, 142, 143, 0, 0, 0, 0, + 0, 144, 0, 0, 0, 145, 0, 0, + 146, 147, 148, 149, 0, 0, 0, 0 + }; + + static const FT_UShort cff_expert_encoding[256] = + { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 1, 229, 230, 0, 231, 232, 233, 234, + 235, 236, 237, 238, 13, 14, 15, 99, + 239, 240, 241, 242, 243, 244, 245, 246, + 247, 248, 27, 28, 249, 250, 251, 252, + 0, 253, 254, 255, 256, 257, 0, 0, + 0, 258, 0, 0, 259, 260, 261, 262, + 0, 0, 263, 264, 265, 0, 266, 109, + 110, 267, 268, 269, 0, 270, 271, 272, + 273, 274, 275, 276, 277, 278, 279, 280, + 281, 282, 283, 284, 285, 286, 287, 288, + 289, 290, 291, 292, 293, 294, 295, 296, + 297, 298, 299, 300, 301, 302, 303, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 304, 305, 306, 0, 0, 307, 308, + 309, 310, 311, 0, 312, 0, 0, 312, + 0, 0, 314, 315, 0, 0, 316, 317, + 318, 0, 0, 0, 158, 155, 163, 319, + 320, 321, 322, 323, 324, 325, 0, 0, + 326, 150, 164, 169, 327, 328, 329, 330, + 331, 332, 333, 334, 335, 336, 337, 338, + 339, 340, 341, 342, 343, 344, 345, 346, + 347, 348, 349, 350, 351, 352, 353, 354, + 355, 356, 357, 358, 359, 360, 361, 362, + 363, 364, 365, 366, 367, 368, 369, 370, + 371, 372, 373, 374, 375, 376, 377, 378 + }; + +#endif /* 1 */ + + + FT_LOCAL_DEF( FT_UShort ) + cff_get_standard_encoding( FT_UInt charcode ) + { + return (FT_UShort)( charcode < 256 ? cff_standard_encoding[charcode] + : 0 ); + } + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cffload + + + /* read an offset from the index's stream current position */ + static FT_ULong + cff_index_read_offset( CFF_Index idx, + FT_Error *errorp ) + { + FT_Error error; + FT_Stream stream = idx->stream; + FT_Byte tmp[4]; + FT_ULong result = 0; + + + if ( !FT_STREAM_READ( tmp, idx->off_size ) ) + { + FT_Int nn; + + + for ( nn = 0; nn < idx->off_size; nn++ ) + result = ( result << 8 ) | tmp[nn]; + } + + *errorp = error; + return result; + } + + + static FT_Error + cff_index_init( CFF_Index idx, + FT_Stream stream, + FT_Bool load, + FT_Bool cff2 ) + { + FT_Error error; + FT_Memory memory = stream->memory; + FT_UInt count; + + + FT_ZERO( idx ); + + idx->stream = stream; + idx->start = FT_STREAM_POS(); + + if ( cff2 ) + { + if ( FT_READ_ULONG( count ) ) + goto Exit; + idx->hdr_size = 5; + } + else + { + if ( FT_READ_USHORT( count ) ) + goto Exit; + idx->hdr_size = 3; + } + + if ( count > 0 ) + { + FT_Byte offsize; + FT_ULong size; + + + /* there is at least one element; read the offset size, */ + /* then access the offset table to compute the index's total size */ + if ( FT_READ_BYTE( offsize ) ) + goto Exit; + + if ( offsize < 1 || offsize > 4 ) + { + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + idx->count = count; + idx->off_size = offsize; + size = (FT_ULong)( count + 1 ) * offsize; + + idx->data_offset = idx->start + idx->hdr_size + size; + + if ( FT_STREAM_SKIP( size - offsize ) ) + goto Exit; + + size = cff_index_read_offset( idx, &error ); + if ( error ) + goto Exit; + + if ( size == 0 ) + { + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + idx->data_size = --size; + + if ( load ) + { + /* load the data */ + if ( FT_FRAME_EXTRACT( size, idx->bytes ) ) + goto Exit; + } + else + { + /* skip the data */ + if ( FT_STREAM_SKIP( size ) ) + goto Exit; + } + } + + Exit: + if ( error ) + FT_FREE( idx->offsets ); + + return error; + } + + + static void + cff_index_done( CFF_Index idx ) + { + if ( idx->stream ) + { + FT_Stream stream = idx->stream; + FT_Memory memory = stream->memory; + + + if ( idx->bytes ) + FT_FRAME_RELEASE( idx->bytes ); + + FT_FREE( idx->offsets ); + FT_ZERO( idx ); + } + } + + + static FT_Error + cff_index_load_offsets( CFF_Index idx ) + { + FT_Error error = FT_Err_Ok; + FT_Stream stream = idx->stream; + FT_Memory memory = stream->memory; + + + if ( idx->count > 0 && !idx->offsets ) + { + FT_Byte offsize = idx->off_size; + FT_ULong data_size; + FT_Byte* p; + FT_Byte* p_end; + FT_ULong* poff; + + + data_size = (FT_ULong)( idx->count + 1 ) * offsize; + + if ( FT_NEW_ARRAY( idx->offsets, idx->count + 1 ) || + FT_STREAM_SEEK( idx->start + idx->hdr_size ) || + FT_FRAME_ENTER( data_size ) ) + goto Exit; + + poff = idx->offsets; + p = (FT_Byte*)stream->cursor; + p_end = p + data_size; + + switch ( offsize ) + { + case 1: + for ( ; p < p_end; p++, poff++ ) + poff[0] = p[0]; + break; + + case 2: + for ( ; p < p_end; p += 2, poff++ ) + poff[0] = FT_PEEK_USHORT( p ); + break; + + case 3: + for ( ; p < p_end; p += 3, poff++ ) + poff[0] = FT_PEEK_UOFF3( p ); + break; + + default: + for ( ; p < p_end; p += 4, poff++ ) + poff[0] = FT_PEEK_ULONG( p ); + } + + FT_FRAME_EXIT(); + } + + Exit: + if ( error ) + FT_FREE( idx->offsets ); + + return error; + } + + + /* Allocate a table containing pointers to an index's elements. */ + /* The `pool' argument makes this function convert the index */ + /* entries to C-style strings (this is, NULL-terminated). */ + static FT_Error + cff_index_get_pointers( CFF_Index idx, + FT_Byte*** table, + FT_Byte** pool, + FT_ULong* pool_size ) + { + FT_Error error = FT_Err_Ok; + FT_Memory memory = idx->stream->memory; + + FT_Byte** t = NULL; + FT_Byte* new_bytes = NULL; + FT_ULong new_size; + + + *table = NULL; + + if ( !idx->offsets ) + { + error = cff_index_load_offsets( idx ); + if ( error ) + goto Exit; + } + + new_size = idx->data_size + idx->count; + + if ( idx->count > 0 && + !FT_NEW_ARRAY( t, idx->count + 1 ) && + ( !pool || !FT_ALLOC( new_bytes, new_size ) ) ) + { + FT_ULong n, cur_offset; + FT_ULong extra = 0; + FT_Byte* org_bytes = idx->bytes; + + + /* at this point, `idx->offsets' can't be NULL */ + cur_offset = idx->offsets[0] - 1; + + /* sanity check */ + if ( cur_offset != 0 ) + { + FT_TRACE0(( "cff_index_get_pointers:" + " invalid first offset value %d set to zero\n", + cur_offset )); + cur_offset = 0; + } + + if ( !pool ) + t[0] = org_bytes + cur_offset; + else + t[0] = new_bytes + cur_offset; + + for ( n = 1; n <= idx->count; n++ ) + { + FT_ULong next_offset = idx->offsets[n] - 1; + + + /* two sanity checks for invalid offset tables */ + if ( next_offset < cur_offset ) + next_offset = cur_offset; + else if ( next_offset > idx->data_size ) + next_offset = idx->data_size; + + if ( !pool ) + t[n] = org_bytes + next_offset; + else + { + t[n] = new_bytes + next_offset + extra; + + if ( next_offset != cur_offset ) + { + FT_MEM_COPY( t[n - 1], org_bytes + cur_offset, t[n] - t[n - 1] ); + t[n][0] = '\0'; + t[n] += 1; + extra++; + } + } + + cur_offset = next_offset; + } + *table = t; + + if ( pool ) + *pool = new_bytes; + if ( pool_size ) + *pool_size = new_size; + } + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_Error ) + cff_index_access_element( CFF_Index idx, + FT_UInt element, + FT_Byte** pbytes, + FT_ULong* pbyte_len ) + { + FT_Error error = FT_Err_Ok; + + + if ( idx && idx->count > element ) + { + /* compute start and end offsets */ + FT_Stream stream = idx->stream; + FT_ULong off1, off2 = 0; + + + /* load offsets from file or the offset table */ + if ( !idx->offsets ) + { + FT_ULong pos = element * idx->off_size; + + + if ( FT_STREAM_SEEK( idx->start + idx->hdr_size + pos ) ) + goto Exit; + + off1 = cff_index_read_offset( idx, &error ); + if ( error ) + goto Exit; + + if ( off1 != 0 ) + { + do + { + element++; + off2 = cff_index_read_offset( idx, &error ); + + } while ( off2 == 0 && element < idx->count ); + } + } + else /* use offsets table */ + { + off1 = idx->offsets[element]; + if ( off1 ) + { + do + { + element++; + off2 = idx->offsets[element]; + + } while ( off2 == 0 && element < idx->count ); + } + } + + /* XXX: should check off2 does not exceed the end of this entry; */ + /* at present, only truncate off2 at the end of this stream */ + if ( off2 > stream->size + 1 || + idx->data_offset > stream->size - off2 + 1 ) + { + FT_ERROR(( "cff_index_access_element:" + " offset to next entry (%d)" + " exceeds the end of stream (%d)\n", + off2, stream->size - idx->data_offset + 1 )); + off2 = stream->size - idx->data_offset + 1; + } + + /* access element */ + if ( off1 && off2 > off1 ) + { + *pbyte_len = off2 - off1; + + if ( idx->bytes ) + { + /* this index was completely loaded in memory, that's easy */ + *pbytes = idx->bytes + off1 - 1; + } + else + { + /* this index is still on disk/file, access it through a frame */ + if ( FT_STREAM_SEEK( idx->data_offset + off1 - 1 ) || + FT_FRAME_EXTRACT( off2 - off1, *pbytes ) ) + goto Exit; + } + } + else + { + /* empty index element */ + *pbytes = 0; + *pbyte_len = 0; + } + } + else + error = FT_THROW( Invalid_Argument ); + + Exit: + return error; + } + + + FT_LOCAL_DEF( void ) + cff_index_forget_element( CFF_Index idx, + FT_Byte** pbytes ) + { + if ( idx->bytes == 0 ) + { + FT_Stream stream = idx->stream; + + + FT_FRAME_RELEASE( *pbytes ); + } + } + + + /* get an entry from Name INDEX */ + FT_LOCAL_DEF( FT_String* ) + cff_index_get_name( CFF_Font font, + FT_UInt element ) + { + CFF_Index idx = &font->name_index; + FT_Memory memory; + FT_Byte* bytes; + FT_ULong byte_len; + FT_Error error; + FT_String* name = 0; + + + if ( !idx->stream ) /* CFF2 does not include a name index */ + goto Exit; + + memory = idx->stream->memory; + + error = cff_index_access_element( idx, element, &bytes, &byte_len ); + if ( error ) + goto Exit; + + if ( !FT_ALLOC( name, byte_len + 1 ) ) + { + if ( byte_len ) + FT_MEM_COPY( name, bytes, byte_len ); + name[byte_len] = 0; + } + cff_index_forget_element( idx, &bytes ); + + Exit: + return name; + } + + + /* get an entry from String INDEX */ + FT_LOCAL_DEF( FT_String* ) + cff_index_get_string( CFF_Font font, + FT_UInt element ) + { + return ( element < font->num_strings ) + ? (FT_String*)font->strings[element] + : NULL; + } + + + FT_LOCAL_DEF( FT_String* ) + cff_index_get_sid_string( CFF_Font font, + FT_UInt sid ) + { + /* value 0xFFFFU indicates a missing dictionary entry */ + if ( sid == 0xFFFFU ) + return NULL; + + /* if it is not a standard string, return it */ + if ( sid > 390 ) + return cff_index_get_string( font, sid - 391 ); + + /* CID-keyed CFF fonts don't have glyph names */ + if ( !font->psnames ) + return NULL; + + /* this is a standard string */ + return (FT_String *)font->psnames->adobe_std_strings( sid ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** FD Select table support ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + + + static void + CFF_Done_FD_Select( CFF_FDSelect fdselect, + FT_Stream stream ) + { + if ( fdselect->data ) + FT_FRAME_RELEASE( fdselect->data ); + + fdselect->data_size = 0; + fdselect->format = 0; + fdselect->range_count = 0; + } + + + static FT_Error + CFF_Load_FD_Select( CFF_FDSelect fdselect, + FT_UInt num_glyphs, + FT_Stream stream, + FT_ULong offset ) + { + FT_Error error; + FT_Byte format; + FT_UInt num_ranges; + + + /* read format */ + if ( FT_STREAM_SEEK( offset ) || FT_READ_BYTE( format ) ) + goto Exit; + + fdselect->format = format; + fdselect->cache_count = 0; /* clear cache */ + + switch ( format ) + { + case 0: /* format 0, that's simple */ + fdselect->data_size = num_glyphs; + goto Load_Data; + + case 3: /* format 3, a tad more complex */ + if ( FT_READ_USHORT( num_ranges ) ) + goto Exit; + + if ( !num_ranges ) + { + FT_TRACE0(( "CFF_Load_FD_Select: empty FDSelect array\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + fdselect->data_size = num_ranges * 3 + 2; + + Load_Data: + if ( FT_FRAME_EXTRACT( fdselect->data_size, fdselect->data ) ) + goto Exit; + break; + + default: /* hmm... that's wrong */ + error = FT_THROW( Invalid_File_Format ); + } + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_Byte ) + cff_fd_select_get( CFF_FDSelect fdselect, + FT_UInt glyph_index ) + { + FT_Byte fd = 0; + + + /* if there is no FDSelect, return zero */ + /* Note: CFF2 with just one Font Dict has no FDSelect */ + if ( !fdselect->data ) + goto Exit; + + switch ( fdselect->format ) + { + case 0: + fd = fdselect->data[glyph_index]; + break; + + case 3: + /* first, compare to the cache */ + if ( (FT_UInt)( glyph_index - fdselect->cache_first ) < + fdselect->cache_count ) + { + fd = fdselect->cache_fd; + break; + } + + /* then, look up the ranges array */ + { + FT_Byte* p = fdselect->data; + FT_Byte* p_limit = p + fdselect->data_size; + FT_Byte fd2; + FT_UInt first, limit; + + + first = FT_NEXT_USHORT( p ); + do + { + if ( glyph_index < first ) + break; + + fd2 = *p++; + limit = FT_NEXT_USHORT( p ); + + if ( glyph_index < limit ) + { + fd = fd2; + + /* update cache */ + fdselect->cache_first = first; + fdselect->cache_count = limit - first; + fdselect->cache_fd = fd2; + break; + } + first = limit; + + } while ( p < p_limit ); + } + break; + + default: + ; + } + + Exit: + return fd; + } + + + /*************************************************************************/ + /*************************************************************************/ + /*** ***/ + /*** CFF font support ***/ + /*** ***/ + /*************************************************************************/ + /*************************************************************************/ + + static FT_Error + cff_charset_compute_cids( CFF_Charset charset, + FT_UInt num_glyphs, + FT_Memory memory ) + { + FT_Error error = FT_Err_Ok; + FT_UInt i; + FT_Long j; + FT_UShort max_cid = 0; + + + if ( charset->max_cid > 0 ) + goto Exit; + + for ( i = 0; i < num_glyphs; i++ ) + { + if ( charset->sids[i] > max_cid ) + max_cid = charset->sids[i]; + } + + if ( FT_NEW_ARRAY( charset->cids, (FT_ULong)max_cid + 1 ) ) + goto Exit; + + /* When multiple GIDs map to the same CID, we choose the lowest */ + /* GID. This is not described in any spec, but it matches the */ + /* behaviour of recent Acroread versions. */ + for ( j = (FT_Long)num_glyphs - 1; j >= 0; j-- ) + charset->cids[charset->sids[j]] = (FT_UShort)j; + + charset->max_cid = max_cid; + charset->num_glyphs = num_glyphs; + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_UInt ) + cff_charset_cid_to_gindex( CFF_Charset charset, + FT_UInt cid ) + { + FT_UInt result = 0; + + + if ( cid <= charset->max_cid ) + result = charset->cids[cid]; + + return result; + } + + + static void + cff_charset_free_cids( CFF_Charset charset, + FT_Memory memory ) + { + FT_FREE( charset->cids ); + charset->max_cid = 0; + } + + + static void + cff_charset_done( CFF_Charset charset, + FT_Stream stream ) + { + FT_Memory memory = stream->memory; + + + cff_charset_free_cids( charset, memory ); + + FT_FREE( charset->sids ); + charset->format = 0; + charset->offset = 0; + } + + + static FT_Error + cff_charset_load( CFF_Charset charset, + FT_UInt num_glyphs, + FT_Stream stream, + FT_ULong base_offset, + FT_ULong offset, + FT_Bool invert ) + { + FT_Memory memory = stream->memory; + FT_Error error = FT_Err_Ok; + FT_UShort glyph_sid; + + + /* If the offset is greater than 2, we have to parse the charset */ + /* table. */ + if ( offset > 2 ) + { + FT_UInt j; + + + charset->offset = base_offset + offset; + + /* Get the format of the table. */ + if ( FT_STREAM_SEEK( charset->offset ) || + FT_READ_BYTE( charset->format ) ) + goto Exit; + + /* Allocate memory for sids. */ + if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) + goto Exit; + + /* assign the .notdef glyph */ + charset->sids[0] = 0; + + switch ( charset->format ) + { + case 0: + if ( num_glyphs > 0 ) + { + if ( FT_FRAME_ENTER( ( num_glyphs - 1 ) * 2 ) ) + goto Exit; + + for ( j = 1; j < num_glyphs; j++ ) + charset->sids[j] = FT_GET_USHORT(); + + FT_FRAME_EXIT(); + } + break; + + case 1: + case 2: + { + FT_UInt nleft; + FT_UInt i; + + + j = 1; + + while ( j < num_glyphs ) + { + /* Read the first glyph sid of the range. */ + if ( FT_READ_USHORT( glyph_sid ) ) + goto Exit; + + /* Read the number of glyphs in the range. */ + if ( charset->format == 2 ) + { + if ( FT_READ_USHORT( nleft ) ) + goto Exit; + } + else + { + if ( FT_READ_BYTE( nleft ) ) + goto Exit; + } + + /* try to rescue some of the SIDs if `nleft' is too large */ + if ( glyph_sid > 0xFFFFL - nleft ) + { + FT_ERROR(( "cff_charset_load: invalid SID range trimmed" + " nleft=%d -> %d\n", nleft, 0xFFFFL - glyph_sid )); + nleft = ( FT_UInt )( 0xFFFFL - glyph_sid ); + } + + /* Fill in the range of sids -- `nleft + 1' glyphs. */ + for ( i = 0; j < num_glyphs && i <= nleft; i++, j++, glyph_sid++ ) + charset->sids[j] = glyph_sid; + } + } + break; + + default: + FT_ERROR(( "cff_charset_load: invalid table format\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + } + else + { + /* Parse default tables corresponding to offset == 0, 1, or 2. */ + /* CFF specification intimates the following: */ + /* */ + /* In order to use a predefined charset, the following must be */ + /* true: The charset constructed for the glyphs in the font's */ + /* charstrings dictionary must match the predefined charset in */ + /* the first num_glyphs. */ + + charset->offset = offset; /* record charset type */ + + switch ( (FT_UInt)offset ) + { + case 0: + if ( num_glyphs > 229 ) + { + FT_ERROR(( "cff_charset_load: implicit charset larger than\n" + "predefined charset (Adobe ISO-Latin)\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* Allocate memory for sids. */ + if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) + goto Exit; + + /* Copy the predefined charset into the allocated memory. */ + FT_ARRAY_COPY( charset->sids, cff_isoadobe_charset, num_glyphs ); + + break; + + case 1: + if ( num_glyphs > 166 ) + { + FT_ERROR(( "cff_charset_load: implicit charset larger than\n" + "predefined charset (Adobe Expert)\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* Allocate memory for sids. */ + if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) + goto Exit; + + /* Copy the predefined charset into the allocated memory. */ + FT_ARRAY_COPY( charset->sids, cff_expert_charset, num_glyphs ); + + break; + + case 2: + if ( num_glyphs > 87 ) + { + FT_ERROR(( "cff_charset_load: implicit charset larger than\n" + "predefined charset (Adobe Expert Subset)\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* Allocate memory for sids. */ + if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) + goto Exit; + + /* Copy the predefined charset into the allocated memory. */ + FT_ARRAY_COPY( charset->sids, cff_expertsubset_charset, num_glyphs ); + + break; + + default: + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + } + + /* we have to invert the `sids' array for subsetted CID-keyed fonts */ + if ( invert ) + error = cff_charset_compute_cids( charset, num_glyphs, memory ); + + Exit: + /* Clean up if there was an error. */ + if ( error ) + { + FT_FREE( charset->sids ); + FT_FREE( charset->cids ); + charset->format = 0; + charset->offset = 0; + charset->sids = 0; + } + + return error; + } + + + static void + cff_vstore_done( CFF_VStoreRec* vstore, + FT_Memory memory ) + { + FT_UInt i; + + + /* free regionList and axisLists */ + if ( vstore->varRegionList ) + { + for ( i = 0; i < vstore->regionCount; i++ ) + FT_FREE( vstore->varRegionList[i].axisList ); + } + FT_FREE( vstore->varRegionList ); + + /* free varData and indices */ + if ( vstore->varData ) + { + for ( i = 0; i < vstore->dataCount; i++ ) + FT_FREE( vstore->varData[i].regionIndices ); + } + FT_FREE( vstore->varData ); + } + + + /* convert 2.14 to Fixed */ + #define FT_fdot14ToFixed( x ) ( (FT_Fixed)( (FT_ULong)(x) << 2 ) ) + + + static FT_Error + cff_vstore_load( CFF_VStoreRec* vstore, + FT_Stream stream, + FT_ULong base_offset, + FT_ULong offset ) + { + FT_Memory memory = stream->memory; + FT_Error error = FT_ERR( Invalid_File_Format ); + + FT_ULong* dataOffsetArray = NULL; + FT_UInt i, j; + + + /* no offset means no vstore to parse */ + if ( offset ) + { + FT_UInt vsOffset; + FT_UInt format; + FT_ULong regionListOffset; + + + /* we need to parse the table to determine its size; */ + /* skip table length */ + if ( FT_STREAM_SEEK( base_offset + offset ) || + FT_STREAM_SKIP( 2 ) ) + goto Exit; + + /* actual variation store begins after the length */ + vsOffset = FT_STREAM_POS(); + + /* check the header */ + if ( FT_READ_USHORT( format ) ) + goto Exit; + if ( format != 1 ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* read top level fields */ + if ( FT_READ_ULONG( regionListOffset ) || + FT_READ_USHORT( vstore->dataCount ) ) + goto Exit; + + /* make temporary copy of item variation data offsets; */ + /* we'll parse region list first, then come back */ + if ( FT_NEW_ARRAY( dataOffsetArray, vstore->dataCount ) ) + goto Exit; + + for ( i = 0; i < vstore->dataCount; i++ ) + { + if ( FT_READ_ULONG( dataOffsetArray[i] ) ) + goto Exit; + } + + /* parse regionList and axisLists */ + if ( FT_STREAM_SEEK( vsOffset + regionListOffset ) || + FT_READ_USHORT( vstore->axisCount ) || + FT_READ_USHORT( vstore->regionCount ) ) + goto Exit; + + if ( FT_NEW_ARRAY( vstore->varRegionList, vstore->regionCount ) ) + goto Exit; + + for ( i = 0; i < vstore->regionCount; i++ ) + { + CFF_VarRegion* region = &vstore->varRegionList[i]; + + + if ( FT_NEW_ARRAY( region->axisList, vstore->axisCount ) ) + goto Exit; + + for ( j = 0; j < vstore->axisCount; j++ ) + { + CFF_AxisCoords* axis = ®ion->axisList[j]; + + FT_Int16 start14, peak14, end14; + + + if ( FT_READ_SHORT( start14 ) || + FT_READ_SHORT( peak14 ) || + FT_READ_SHORT( end14 ) ) + goto Exit; + + axis->startCoord = FT_fdot14ToFixed( start14 ); + axis->peakCoord = FT_fdot14ToFixed( peak14 ); + axis->endCoord = FT_fdot14ToFixed( end14 ); + } + } + + /* use dataOffsetArray now to parse varData items */ + if ( FT_NEW_ARRAY( vstore->varData, vstore->dataCount ) ) + goto Exit; + + for ( i = 0; i < vstore->dataCount; i++ ) + { + CFF_VarData* data = &vstore->varData[i]; + + + if ( FT_STREAM_SEEK( vsOffset + dataOffsetArray[i] ) ) + goto Exit; + + /* ignore `itemCount' and `shortDeltaCount' */ + /* because CFF2 has no delta sets */ + if ( FT_STREAM_SKIP( 4 ) ) + goto Exit; + + /* Note: just record values; consistency is checked later */ + /* by cff_blend_build_vector when it consumes `vstore' */ + + if ( FT_READ_USHORT( data->regionIdxCount ) ) + goto Exit; + + if ( FT_NEW_ARRAY( data->regionIndices, data->regionIdxCount ) ) + goto Exit; + + for ( j = 0; j < data->regionIdxCount; j++ ) + { + if ( FT_READ_USHORT( data->regionIndices[j] ) ) + goto Exit; + } + } + } + + error = FT_Err_Ok; + + Exit: + FT_FREE( dataOffsetArray ); + if ( error ) + cff_vstore_done( vstore, memory ); + + return error; + } + + + /* Clear blend stack (after blend values are consumed). */ + /* */ + /* TODO: Should do this in cff_run_parse, but subFont */ + /* ref is not available there. */ + /* */ + /* Allocation is not changed when stack is cleared. */ + FT_LOCAL_DEF( void ) + cff_blend_clear( CFF_SubFont subFont ) + { + subFont->blend_top = subFont->blend_stack; + subFont->blend_used = 0; + } + + + /* Blend numOperands on the stack, */ + /* store results into the first numBlends values, */ + /* then pop remaining arguments. */ + /* */ + /* This is comparable to `cf2_doBlend' but */ + /* the cffparse stack is different and can't be written. */ + /* Blended values are written to a different buffer, */ + /* using reserved operator 255. */ + /* */ + /* Blend calculation is done in 16.16 fixed point. */ + FT_LOCAL_DEF( FT_Error ) + cff_blend_doBlend( CFF_SubFont subFont, + CFF_Parser parser, + FT_UInt numBlends ) + { + FT_UInt delta; + FT_UInt base; + FT_UInt i, j; + FT_UInt size; + + CFF_Blend blend = &subFont->blend; + + FT_Memory memory = subFont->blend.font->memory; /* for FT_REALLOC */ + FT_Error error = FT_Err_Ok; /* for FT_REALLOC */ + + /* compute expected number of operands for this blend */ + FT_UInt numOperands = (FT_UInt)( numBlends * blend->lenBV ); + FT_UInt count = (FT_UInt)( parser->top - 1 - parser->stack ); + + + if ( numOperands > count ) + { + FT_TRACE4(( " cff_blend_doBlend: Stack underflow %d argument%s\n", + count, + count == 1 ? "" : "s" )); + + error = FT_THROW( Stack_Underflow ); + goto Exit; + } + + /* check whether we have room for `numBlends' values at `blend_top' */ + size = 5 * numBlends; /* add 5 bytes per entry */ + if ( subFont->blend_used + size > subFont->blend_alloc ) + { + FT_Byte* blend_stack_old = subFont->blend_stack; + FT_Byte* blend_top_old = subFont->blend_top; + + + /* increase or allocate `blend_stack' and reset `blend_top'; */ + /* prepare to append `numBlends' values to the buffer */ + if ( FT_REALLOC( subFont->blend_stack, + subFont->blend_alloc, + subFont->blend_alloc + size ) ) + goto Exit; + + subFont->blend_top = subFont->blend_stack + subFont->blend_used; + subFont->blend_alloc += size; + + /* iterate over the parser stack and adjust pointers */ + /* if the reallocated buffer has a different address */ + if ( blend_stack_old && + subFont->blend_stack != blend_stack_old ) + { + FT_PtrDist offset = subFont->blend_stack - blend_stack_old; + FT_Byte** p; + + + for ( p = parser->stack; p < parser->top; p++ ) + { + if ( *p >= blend_stack_old && *p < blend_top_old ) + *p += offset; + } + } + } + subFont->blend_used += size; + + base = count - numOperands; /* index of first blend arg */ + delta = base + numBlends; /* index of first delta arg */ + + for ( i = 0; i < numBlends; i++ ) + { + const FT_Int32* weight = &blend->BV[1]; + FT_UInt32 sum; + + + /* convert inputs to 16.16 fixed point */ + sum = cff_parse_num( parser, &parser->stack[i + base] ) * 0x10000; + + for ( j = 1; j < blend->lenBV; j++ ) + sum += cff_parse_num( parser, &parser->stack[delta++] ) * *weight++; + + /* point parser stack to new value on blend_stack */ + parser->stack[i + base] = subFont->blend_top; + + /* Push blended result as Type 2 5-byte fixed point number. This */ + /* will not conflict with actual DICTs because 255 is a reserved */ + /* opcode in both CFF and CFF2 DICTs. See `cff_parse_num' for */ + /* decode of this, which rounds to an integer. */ + *subFont->blend_top++ = 255; + *subFont->blend_top++ = (FT_Byte)( sum >> 24 ); + *subFont->blend_top++ = (FT_Byte)( sum >> 16 ); + *subFont->blend_top++ = (FT_Byte)( sum >> 8 ); + *subFont->blend_top++ = (FT_Byte)sum; + } + + /* leave only numBlends results on parser stack */ + parser->top = &parser->stack[base + numBlends]; + + Exit: + return error; + } + + + /* Compute a blend vector from variation store index and normalized */ + /* vector based on pseudo-code in OpenType Font Variations Overview. */ + /* */ + /* Note: lenNDV == 0 produces a default blend vector, (1,0,0,...). */ + FT_LOCAL_DEF( FT_Error ) + cff_blend_build_vector( CFF_Blend blend, + FT_UInt vsindex, + FT_UInt lenNDV, + FT_Fixed* NDV ) + { + FT_Error error = FT_Err_Ok; /* for FT_REALLOC */ + FT_Memory memory = blend->font->memory; /* for FT_REALLOC */ + + FT_UInt len; + CFF_VStore vs; + CFF_VarData* varData; + FT_UInt master; + + + FT_ASSERT( lenNDV == 0 || NDV ); + + blend->builtBV = FALSE; + + vs = &blend->font->vstore; + + /* VStore and fvar must be consistent */ + if ( lenNDV != 0 && lenNDV != vs->axisCount ) + { + FT_TRACE4(( " cff_blend_build_vector: Axis count mismatch\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( vsindex >= vs->dataCount ) + { + FT_TRACE4(( " cff_blend_build_vector: vsindex out of range\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* select the item variation data structure */ + varData = &vs->varData[vsindex]; + + /* prepare buffer for the blend vector */ + len = varData->regionIdxCount + 1; /* add 1 for default component */ + if ( FT_REALLOC( blend->BV, + blend->lenBV * sizeof( *blend->BV ), + len * sizeof( *blend->BV ) ) ) + goto Exit; + + blend->lenBV = len; + + /* outer loop steps through master designs to be blended */ + for ( master = 0; master < len; master++ ) + { + FT_UInt j; + FT_UInt idx; + CFF_VarRegion* varRegion; + + + /* default factor is always one */ + if ( master == 0 ) + { + blend->BV[master] = FT_FIXED_ONE; + FT_TRACE4(( " build blend vector len %d\n" + " [ %f ", + len, + blend->BV[master] / 65536.0 )); + continue; + } + + /* VStore array does not include default master, so subtract one */ + idx = varData->regionIndices[master - 1]; + varRegion = &vs->varRegionList[idx]; + + if ( idx >= vs->regionCount ) + { + FT_TRACE4(( " cff_blend_build_vector:" + " region index out of range\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* Note: `lenNDV' could be zero. */ + /* In that case, build default blend vector (1,0,0...). */ + if ( !lenNDV ) + { + blend->BV[master] = 0; + continue; + } + + /* In the normal case, initialize each component to 1 */ + /* before inner loop. */ + blend->BV[master] = FT_FIXED_ONE; /* default */ + + /* inner loop steps through axes in this region */ + for ( j = 0; j < lenNDV; j++ ) + { + CFF_AxisCoords* axis = &varRegion->axisList[j]; + FT_Fixed axisScalar; + + + /* compute the scalar contribution of this axis; */ + /* ignore invalid ranges */ + if ( axis->startCoord > axis->peakCoord || + axis->peakCoord > axis->endCoord ) + axisScalar = FT_FIXED_ONE; + + else if ( axis->startCoord < 0 && + axis->endCoord > 0 && + axis->peakCoord != 0 ) + axisScalar = FT_FIXED_ONE; + + /* peak of 0 means ignore this axis */ + else if ( axis->peakCoord == 0 ) + axisScalar = FT_FIXED_ONE; + + /* ignore this region if coords are out of range */ + else if ( NDV[j] < axis->startCoord || + NDV[j] > axis->endCoord ) + axisScalar = 0; + + /* calculate a proportional factor */ + else + { + if ( NDV[j] == axis->peakCoord ) + axisScalar = FT_FIXED_ONE; + else if ( NDV[j] < axis->peakCoord ) + axisScalar = FT_DivFix( NDV[j] - axis->startCoord, + axis->peakCoord - axis->startCoord ); + else + axisScalar = FT_DivFix( axis->endCoord - NDV[j], + axis->endCoord - axis->peakCoord ); + } + + /* take product of all the axis scalars */ + blend->BV[master] = FT_MulFix( blend->BV[master], axisScalar ); + } + + FT_TRACE4(( ", %f ", + blend->BV[master] / 65536.0 )); + } + + FT_TRACE4(( "]\n" )); + + /* record the parameters used to build the blend vector */ + blend->lastVsindex = vsindex; + + if ( lenNDV != 0 ) + { + /* user has set a normalized vector */ + if ( FT_REALLOC( blend->lastNDV, + blend->lenNDV * sizeof ( *NDV ), + lenNDV * sizeof ( *NDV ) ) ) + goto Exit; + + FT_MEM_COPY( blend->lastNDV, + NDV, + lenNDV * sizeof ( *NDV ) ); + } + + blend->lenNDV = lenNDV; + blend->builtBV = TRUE; + + Exit: + return error; + } + + + /* `lenNDV' is zero for default vector; */ + /* return TRUE if blend vector needs to be built. */ + FT_LOCAL_DEF( FT_Bool ) + cff_blend_check_vector( CFF_Blend blend, + FT_UInt vsindex, + FT_UInt lenNDV, + FT_Fixed* NDV ) + { + if ( !blend->builtBV || + blend->lastVsindex != vsindex || + blend->lenNDV != lenNDV || + ( lenNDV && + ft_memcmp( NDV, + blend->lastNDV, + lenNDV * sizeof ( *NDV ) ) != 0 ) ) + { + /* need to build blend vector */ + return TRUE; + } + + return FALSE; + } + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + FT_LOCAL_DEF( FT_Error ) + cff_get_var_blend( CFF_Face face, + FT_UInt *num_coords, + FT_Fixed* *coords, + FT_Fixed* *normalizedcoords, + FT_MM_Var* *mm_var ) + { + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + + + return mm->get_var_blend( FT_FACE( face ), + num_coords, + coords, + normalizedcoords, + mm_var ); + } + + + FT_LOCAL_DEF( void ) + cff_done_blend( CFF_Face face ) + { + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + + + if (mm) + mm->done_blend( FT_FACE( face ) ); + } + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + + static void + cff_encoding_done( CFF_Encoding encoding ) + { + encoding->format = 0; + encoding->offset = 0; + encoding->count = 0; + } + + + static FT_Error + cff_encoding_load( CFF_Encoding encoding, + CFF_Charset charset, + FT_UInt num_glyphs, + FT_Stream stream, + FT_ULong base_offset, + FT_ULong offset ) + { + FT_Error error = FT_Err_Ok; + FT_UInt count; + FT_UInt j; + FT_UShort glyph_sid; + FT_UInt glyph_code; + + + /* Check for charset->sids. If we do not have this, we fail. */ + if ( !charset->sids ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* Zero out the code to gid/sid mappings. */ + for ( j = 0; j < 256; j++ ) + { + encoding->sids [j] = 0; + encoding->codes[j] = 0; + } + + /* Note: The encoding table in a CFF font is indexed by glyph index; */ + /* the first encoded glyph index is 1. Hence, we read the character */ + /* code (`glyph_code') at index j and make the assignment: */ + /* */ + /* encoding->codes[glyph_code] = j + 1 */ + /* */ + /* We also make the assignment: */ + /* */ + /* encoding->sids[glyph_code] = charset->sids[j + 1] */ + /* */ + /* This gives us both a code to GID and a code to SID mapping. */ + + if ( offset > 1 ) + { + encoding->offset = base_offset + offset; + + /* we need to parse the table to determine its size */ + if ( FT_STREAM_SEEK( encoding->offset ) || + FT_READ_BYTE( encoding->format ) || + FT_READ_BYTE( count ) ) + goto Exit; + + switch ( encoding->format & 0x7F ) + { + case 0: + { + FT_Byte* p; + + + /* By convention, GID 0 is always ".notdef" and is never */ + /* coded in the font. Hence, the number of codes found */ + /* in the table is `count+1'. */ + /* */ + encoding->count = count + 1; + + if ( FT_FRAME_ENTER( count ) ) + goto Exit; + + p = (FT_Byte*)stream->cursor; + + for ( j = 1; j <= count; j++ ) + { + glyph_code = *p++; + + /* Make sure j is not too big. */ + if ( j < num_glyphs ) + { + /* Assign code to GID mapping. */ + encoding->codes[glyph_code] = (FT_UShort)j; + + /* Assign code to SID mapping. */ + encoding->sids[glyph_code] = charset->sids[j]; + } + } + + FT_FRAME_EXIT(); + } + break; + + case 1: + { + FT_UInt nleft; + FT_UInt i = 1; + FT_UInt k; + + + encoding->count = 0; + + /* Parse the Format1 ranges. */ + for ( j = 0; j < count; j++, i += nleft ) + { + /* Read the first glyph code of the range. */ + if ( FT_READ_BYTE( glyph_code ) ) + goto Exit; + + /* Read the number of codes in the range. */ + if ( FT_READ_BYTE( nleft ) ) + goto Exit; + + /* Increment nleft, so we read `nleft + 1' codes/sids. */ + nleft++; + + /* compute max number of character codes */ + if ( (FT_UInt)nleft > encoding->count ) + encoding->count = nleft; + + /* Fill in the range of codes/sids. */ + for ( k = i; k < nleft + i; k++, glyph_code++ ) + { + /* Make sure k is not too big. */ + if ( k < num_glyphs && glyph_code < 256 ) + { + /* Assign code to GID mapping. */ + encoding->codes[glyph_code] = (FT_UShort)k; + + /* Assign code to SID mapping. */ + encoding->sids[glyph_code] = charset->sids[k]; + } + } + } + + /* simple check; one never knows what can be found in a font */ + if ( encoding->count > 256 ) + encoding->count = 256; + } + break; + + default: + FT_ERROR(( "cff_encoding_load: invalid table format\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* Parse supplemental encodings, if any. */ + if ( encoding->format & 0x80 ) + { + FT_UInt gindex; + + + /* count supplements */ + if ( FT_READ_BYTE( count ) ) + goto Exit; + + for ( j = 0; j < count; j++ ) + { + /* Read supplemental glyph code. */ + if ( FT_READ_BYTE( glyph_code ) ) + goto Exit; + + /* Read the SID associated with this glyph code. */ + if ( FT_READ_USHORT( glyph_sid ) ) + goto Exit; + + /* Assign code to SID mapping. */ + encoding->sids[glyph_code] = glyph_sid; + + /* First, look up GID which has been assigned to */ + /* SID glyph_sid. */ + for ( gindex = 0; gindex < num_glyphs; gindex++ ) + { + if ( charset->sids[gindex] == glyph_sid ) + { + encoding->codes[glyph_code] = (FT_UShort)gindex; + break; + } + } + } + } + } + else + { + /* We take into account the fact a CFF font can use a predefined */ + /* encoding without containing all of the glyphs encoded by this */ + /* encoding (see the note at the end of section 12 in the CFF */ + /* specification). */ + + switch ( (FT_UInt)offset ) + { + case 0: + /* First, copy the code to SID mapping. */ + FT_ARRAY_COPY( encoding->sids, cff_standard_encoding, 256 ); + goto Populate; + + case 1: + /* First, copy the code to SID mapping. */ + FT_ARRAY_COPY( encoding->sids, cff_expert_encoding, 256 ); + + Populate: + /* Construct code to GID mapping from code to SID mapping */ + /* and charset. */ + + encoding->count = 0; + + error = cff_charset_compute_cids( charset, num_glyphs, + stream->memory ); + if ( error ) + goto Exit; + + for ( j = 0; j < 256; j++ ) + { + FT_UInt sid = encoding->sids[j]; + FT_UInt gid = 0; + + + if ( sid ) + gid = cff_charset_cid_to_gindex( charset, sid ); + + if ( gid != 0 ) + { + encoding->codes[j] = (FT_UShort)gid; + encoding->count = j + 1; + } + else + { + encoding->codes[j] = 0; + encoding->sids [j] = 0; + } + } + break; + + default: + FT_ERROR(( "cff_encoding_load: invalid table format\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + } + + Exit: + + /* Clean up if there was an error. */ + return error; + } + + + /* Parse private dictionary; first call is always from `cff_face_init', */ + /* so NDV has not been set for CFF2 variation. */ + /* */ + /* `cff_slot_load' must call this function each time NDV changes. */ + FT_LOCAL_DEF( FT_Error ) + cff_load_private_dict( CFF_Font font, + CFF_SubFont subfont, + FT_UInt lenNDV, + FT_Fixed* NDV ) + { + FT_Error error = FT_Err_Ok; + CFF_ParserRec parser; + CFF_FontRecDict top = &subfont->font_dict; + CFF_Private priv = &subfont->private_dict; + FT_Stream stream = font->stream; + FT_UInt stackSize; + + + /* store handle needed to access memory, vstore for blend; */ + /* we need this for clean-up even if there is no private DICT */ + subfont->blend.font = font; + subfont->blend.usedBV = FALSE; /* clear state */ + + if ( !top->private_offset || !top->private_size ) + goto Exit2; /* no private DICT, do nothing */ + + /* set defaults */ + FT_ZERO( priv ); + + priv->blue_shift = 7; + priv->blue_fuzz = 1; + priv->lenIV = -1; + priv->expansion_factor = (FT_Fixed)( 0.06 * 0x10000L ); + priv->blue_scale = (FT_Fixed)( 0.039625 * 0x10000L * 1000 ); + + /* provide inputs for blend calculations */ + priv->subfont = subfont; + subfont->lenNDV = lenNDV; + subfont->NDV = NDV; + + /* add 1 for the operator */ + stackSize = font->cff2 ? font->top_font.font_dict.maxstack + 1 + : CFF_MAX_STACK_DEPTH + 1; + + if ( cff_parser_init( &parser, + font->cff2 ? CFF2_CODE_PRIVATE : CFF_CODE_PRIVATE, + priv, + font->library, + stackSize, + top->num_designs, + top->num_axes ) ) + goto Exit; + + if ( FT_STREAM_SEEK( font->base_offset + top->private_offset ) || + FT_FRAME_ENTER( top->private_size ) ) + goto Exit; + + FT_TRACE4(( " private dictionary:\n" )); + error = cff_parser_run( &parser, + (FT_Byte*)stream->cursor, + (FT_Byte*)stream->limit ); + FT_FRAME_EXIT(); + + if ( error ) + goto Exit; + + /* ensure that `num_blue_values' is even */ + priv->num_blue_values &= ~1; + + /* sanitize `initialRandomSeed' to be a positive value, if necessary; */ + /* this is not mandated by the specification but by our implementation */ + if ( priv->initial_random_seed < 0 ) + priv->initial_random_seed = -priv->initial_random_seed; + else if ( priv->initial_random_seed == 0 ) + priv->initial_random_seed = 987654321; + + Exit: + /* clean up */ + cff_blend_clear( subfont ); /* clear blend stack */ + cff_parser_done( &parser ); /* free parser stack */ + + Exit2: + /* no clean up (parser not initialized) */ + return error; + } + + + /* There are 3 ways to call this function, distinguished by code. */ + /* */ + /* . CFF_CODE_TOPDICT for either a CFF Top DICT or a CFF Font DICT */ + /* . CFF2_CODE_TOPDICT for CFF2 Top DICT */ + /* . CFF2_CODE_FONTDICT for CFF2 Font DICT */ + + static FT_Error + cff_subfont_load( CFF_SubFont subfont, + CFF_Index idx, + FT_UInt font_index, + FT_Stream stream, + FT_ULong base_offset, + FT_UInt code, + CFF_Font font, + CFF_Face face ) + { + FT_Error error; + CFF_ParserRec parser; + FT_Byte* dict = NULL; + FT_ULong dict_len; + CFF_FontRecDict top = &subfont->font_dict; + CFF_Private priv = &subfont->private_dict; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + + FT_Bool cff2 = FT_BOOL( code == CFF2_CODE_TOPDICT || + code == CFF2_CODE_FONTDICT ); + FT_UInt stackSize = cff2 ? CFF2_DEFAULT_STACK + : CFF_MAX_STACK_DEPTH; + + + /* Note: We use default stack size for CFF2 Font DICT because */ + /* Top and Font DICTs are not allowed to have blend operators. */ + error = cff_parser_init( &parser, + code, + &subfont->font_dict, + font->library, + stackSize, + 0, + 0 ); + if ( error ) + goto Exit; + + /* set defaults */ + FT_ZERO( top ); + + top->underline_position = -( 100L << 16 ); + top->underline_thickness = 50L << 16; + top->charstring_type = 2; + top->font_matrix.xx = 0x10000L; + top->font_matrix.yy = 0x10000L; + top->cid_count = 8720; + + /* we use the implementation specific SID value 0xFFFF to indicate */ + /* missing entries */ + top->version = 0xFFFFU; + top->notice = 0xFFFFU; + top->copyright = 0xFFFFU; + top->full_name = 0xFFFFU; + top->family_name = 0xFFFFU; + top->weight = 0xFFFFU; + top->embedded_postscript = 0xFFFFU; + + top->cid_registry = 0xFFFFU; + top->cid_ordering = 0xFFFFU; + top->cid_font_name = 0xFFFFU; + + /* set default stack size */ + top->maxstack = cff2 ? CFF2_DEFAULT_STACK : 48; + + if ( idx->count ) /* count is nonzero for a real index */ + error = cff_index_access_element( idx, font_index, &dict, &dict_len ); + else + { + /* CFF2 has a fake top dict index; */ + /* simulate `cff_index_access_element' */ + + /* Note: macros implicitly use `stream' and set `error' */ + if ( FT_STREAM_SEEK( idx->data_offset ) || + FT_FRAME_EXTRACT( idx->data_size, dict ) ) + goto Exit; + + dict_len = idx->data_size; + } + + if ( !error ) + { + FT_TRACE4(( " top dictionary:\n" )); + error = cff_parser_run( &parser, dict, dict + dict_len ); + } + + /* clean up regardless of error */ + if ( idx->count ) + cff_index_forget_element( idx, &dict ); + else + FT_FRAME_RELEASE( dict ); + + if ( error ) + goto Exit; + + /* if it is a CID font, we stop there */ + if ( top->cid_registry != 0xFFFFU ) + goto Exit; + + /* Parse the private dictionary, if any. */ + /* */ + /* CFF2 does not have a private dictionary in the Top DICT */ + /* but may have one in a Font DICT. We need to parse */ + /* the latter here in order to load any local subrs. */ + error = cff_load_private_dict( font, subfont, 0, 0 ); + if ( error ) + goto Exit; + + if ( !cff2 ) + { + /* + * Initialize the random number generator. + * + * . If we have a face-specific seed, use it. + * If non-zero, update it to a positive value. + * + * . Otherwise, use the seed from the CFF driver. + * If non-zero, update it to a positive value. + * + * . If the random value is zero, use the seed given by the subfont's + * `initialRandomSeed' value. + * + */ + if ( face->root.internal->random_seed == -1 ) + { + PS_Driver driver = (PS_Driver)FT_FACE_DRIVER( face ); + + + subfont->random = (FT_UInt32)driver->random_seed; + if ( driver->random_seed ) + { + do + { + driver->random_seed = + (FT_Int32)psaux->cff_random( (FT_UInt32)driver->random_seed ); + + } while ( driver->random_seed < 0 ); + } + } + else + { + subfont->random = (FT_UInt32)face->root.internal->random_seed; + if ( face->root.internal->random_seed ) + { + do + { + face->root.internal->random_seed = + (FT_Int32)psaux->cff_random( + (FT_UInt32)face->root.internal->random_seed ); + + } while ( face->root.internal->random_seed < 0 ); + } + } + + if ( !subfont->random ) + subfont->random = (FT_UInt32)priv->initial_random_seed; + } + + /* read the local subrs, if any */ + if ( priv->local_subrs_offset ) + { + if ( FT_STREAM_SEEK( base_offset + top->private_offset + + priv->local_subrs_offset ) ) + goto Exit; + + error = cff_index_init( &subfont->local_subrs_index, stream, 1, cff2 ); + if ( error ) + goto Exit; + + error = cff_index_get_pointers( &subfont->local_subrs_index, + &subfont->local_subrs, NULL, NULL ); + if ( error ) + goto Exit; + } + + Exit: + cff_parser_done( &parser ); /* free parser stack */ + + return error; + } + + + static void + cff_subfont_done( FT_Memory memory, + CFF_SubFont subfont ) + { + if ( subfont ) + { + cff_index_done( &subfont->local_subrs_index ); + FT_FREE( subfont->local_subrs ); + + FT_FREE( subfont->blend.lastNDV ); + FT_FREE( subfont->blend.BV ); + FT_FREE( subfont->blend_stack ); + } + } + + + FT_LOCAL_DEF( FT_Error ) + cff_font_load( FT_Library library, + FT_Stream stream, + FT_Int face_index, + CFF_Font font, + CFF_Face face, + FT_Bool pure_cff, + FT_Bool cff2 ) + { + static const FT_Frame_Field cff_header_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE CFF_FontRec + + FT_FRAME_START( 3 ), + FT_FRAME_BYTE( version_major ), + FT_FRAME_BYTE( version_minor ), + FT_FRAME_BYTE( header_size ), + FT_FRAME_END + }; + + FT_Error error; + FT_Memory memory = stream->memory; + FT_ULong base_offset; + CFF_FontRecDict dict; + CFF_IndexRec string_index; + FT_UInt subfont_index; + + + FT_ZERO( font ); + FT_ZERO( &string_index ); + + dict = &font->top_font.font_dict; + base_offset = FT_STREAM_POS(); + + font->library = library; + font->stream = stream; + font->memory = memory; + font->cff2 = cff2; + font->base_offset = base_offset; + + /* read CFF font header */ + if ( FT_STREAM_READ_FIELDS( cff_header_fields, font ) ) + goto Exit; + + if ( cff2 ) + { + if ( font->version_major != 2 || + font->header_size < 5 ) + { + FT_TRACE2(( " not a CFF2 font header\n" )); + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + + if ( FT_READ_USHORT( font->top_dict_length ) ) + goto Exit; + } + else + { + FT_Byte absolute_offset; + + + if ( FT_READ_BYTE( absolute_offset ) ) + goto Exit; + + if ( font->version_major != 1 || + font->header_size < 4 || + absolute_offset > 4 ) + { + FT_TRACE2(( " not a CFF font header\n" )); + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + } + + /* skip the rest of the header */ + if ( FT_STREAM_SEEK( base_offset + font->header_size ) ) + { + /* For pure CFFs we have read only four bytes so far. Contrary to */ + /* other formats like SFNT those bytes doesn't define a signature; */ + /* it is thus possible that the font isn't a CFF at all. */ + if ( pure_cff ) + { + FT_TRACE2(( " not a CFF file\n" )); + error = FT_THROW( Unknown_File_Format ); + } + goto Exit; + } + + if ( cff2 ) + { + /* For CFF2, the top dict data immediately follow the header */ + /* and the length is stored in the header `offSize' field; */ + /* there is no index for it. */ + /* */ + /* Use the `font_dict_index' to save the current position */ + /* and length of data, but leave count at zero as an indicator. */ + FT_ZERO( &font->font_dict_index ); + + font->font_dict_index.data_offset = FT_STREAM_POS(); + font->font_dict_index.data_size = font->top_dict_length; + + /* skip the top dict data for now, we will parse it later */ + if ( FT_STREAM_SKIP( font->top_dict_length ) ) + goto Exit; + + /* next, read the global subrs index */ + if ( FT_SET_ERROR( cff_index_init( &font->global_subrs_index, + stream, 1, cff2 ) ) ) + goto Exit; + } + else + { + /* for CFF, read the name, top dict, string and global subrs index */ + if ( FT_SET_ERROR( cff_index_init( &font->name_index, + stream, 0, cff2 ) ) ) + { + if ( pure_cff ) + { + FT_TRACE2(( " not a CFF file\n" )); + error = FT_THROW( Unknown_File_Format ); + } + goto Exit; + } + + /* if we have an empty font name, */ + /* it must be the only font in the CFF */ + if ( font->name_index.count > 1 && + font->name_index.data_size < font->name_index.count ) + { + /* for pure CFFs, we still haven't checked enough bytes */ + /* to be sure that it is a CFF at all */ + error = pure_cff ? FT_THROW( Unknown_File_Format ) + : FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( FT_SET_ERROR( cff_index_init( &font->font_dict_index, + stream, 0, cff2 ) ) || + FT_SET_ERROR( cff_index_init( &string_index, + stream, 1, cff2 ) ) || + FT_SET_ERROR( cff_index_init( &font->global_subrs_index, + stream, 1, cff2 ) ) || + FT_SET_ERROR( cff_index_get_pointers( &string_index, + &font->strings, + &font->string_pool, + &font->string_pool_size ) ) ) + goto Exit; + + /* there must be a Top DICT index entry for each name index entry */ + if ( font->name_index.count > font->font_dict_index.count ) + { + FT_ERROR(( "cff_font_load:" + " not enough entries in Top DICT index\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + } + + font->num_strings = string_index.count; + + if ( pure_cff ) + { + /* well, we don't really forget the `disabled' fonts... */ + subfont_index = (FT_UInt)( face_index & 0xFFFF ); + + if ( face_index > 0 && subfont_index >= font->name_index.count ) + { + FT_ERROR(( "cff_font_load:" + " invalid subfont index for pure CFF font (%d)\n", + subfont_index )); + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + font->num_faces = font->name_index.count; + } + else + { + subfont_index = 0; + + if ( font->name_index.count > 1 ) + { + FT_ERROR(( "cff_font_load:" + " invalid CFF font with multiple subfonts\n" + " " + " in SFNT wrapper\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + } + + /* in case of a font format check, simply exit now */ + if ( face_index < 0 ) + goto Exit; + + /* now, parse the top-level font dictionary */ + FT_TRACE4(( "parsing top-level\n" )); + error = cff_subfont_load( &font->top_font, + &font->font_dict_index, + subfont_index, + stream, + base_offset, + cff2 ? CFF2_CODE_TOPDICT : CFF_CODE_TOPDICT, + font, + face ); + if ( error ) + goto Exit; + + if ( FT_STREAM_SEEK( base_offset + dict->charstrings_offset ) ) + goto Exit; + + error = cff_index_init( &font->charstrings_index, stream, 0, cff2 ); + if ( error ) + goto Exit; + + /* now, check for a CID or CFF2 font */ + if ( dict->cid_registry != 0xFFFFU || + cff2 ) + { + CFF_IndexRec fd_index; + CFF_SubFont sub = NULL; + FT_UInt idx; + + + /* for CFF2, read the Variation Store if available; */ + /* this must follow the Top DICT parse and precede any Private DICT */ + error = cff_vstore_load( &font->vstore, + stream, + base_offset, + dict->vstore_offset ); + if ( error ) + goto Exit; + + /* this is a CID-keyed font, we must now allocate a table of */ + /* sub-fonts, then load each of them separately */ + if ( FT_STREAM_SEEK( base_offset + dict->cid_fd_array_offset ) ) + goto Exit; + + error = cff_index_init( &fd_index, stream, 0, cff2 ); + if ( error ) + goto Exit; + + /* Font Dicts are not limited to 256 for CFF2. */ + /* TODO: support this for CFF2 */ + if ( fd_index.count > CFF_MAX_CID_FONTS ) + { + FT_TRACE0(( "cff_font_load: FD array too large in CID font\n" )); + goto Fail_CID; + } + + /* allocate & read each font dict independently */ + font->num_subfonts = fd_index.count; + if ( FT_NEW_ARRAY( sub, fd_index.count ) ) + goto Fail_CID; + + /* set up pointer table */ + for ( idx = 0; idx < fd_index.count; idx++ ) + font->subfonts[idx] = sub + idx; + + /* now load each subfont independently */ + for ( idx = 0; idx < fd_index.count; idx++ ) + { + sub = font->subfonts[idx]; + FT_TRACE4(( "parsing subfont %u\n", idx )); + error = cff_subfont_load( sub, + &fd_index, + idx, + stream, + base_offset, + cff2 ? CFF2_CODE_FONTDICT + : CFF_CODE_TOPDICT, + font, + face ); + if ( error ) + goto Fail_CID; + } + + /* now load the FD Select array; */ + /* CFF2 omits FDSelect if there is only one FD */ + if ( !cff2 || fd_index.count > 1 ) + error = CFF_Load_FD_Select( &font->fd_select, + font->charstrings_index.count, + stream, + base_offset + dict->cid_fd_select_offset ); + + Fail_CID: + cff_index_done( &fd_index ); + + if ( error ) + goto Exit; + } + else + font->num_subfonts = 0; + + /* read the charstrings index now */ + if ( dict->charstrings_offset == 0 ) + { + FT_ERROR(( "cff_font_load: no charstrings offset\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + font->num_glyphs = font->charstrings_index.count; + + error = cff_index_get_pointers( &font->global_subrs_index, + &font->global_subrs, NULL, NULL ); + + if ( error ) + goto Exit; + + /* read the Charset and Encoding tables if available */ + if ( !cff2 && font->num_glyphs > 0 ) + { + FT_Bool invert = FT_BOOL( dict->cid_registry != 0xFFFFU && pure_cff ); + + + error = cff_charset_load( &font->charset, font->num_glyphs, stream, + base_offset, dict->charset_offset, invert ); + if ( error ) + goto Exit; + + /* CID-keyed CFFs don't have an encoding */ + if ( dict->cid_registry == 0xFFFFU ) + { + error = cff_encoding_load( &font->encoding, + &font->charset, + font->num_glyphs, + stream, + base_offset, + dict->encoding_offset ); + if ( error ) + goto Exit; + } + } + + /* get the font name (/CIDFontName for CID-keyed fonts, */ + /* /FontName otherwise) */ + font->font_name = cff_index_get_name( font, subfont_index ); + + Exit: + cff_index_done( &string_index ); + + return error; + } + + + FT_LOCAL_DEF( void ) + cff_font_done( CFF_Font font ) + { + FT_Memory memory = font->memory; + FT_UInt idx; + + + cff_index_done( &font->global_subrs_index ); + cff_index_done( &font->font_dict_index ); + cff_index_done( &font->name_index ); + cff_index_done( &font->charstrings_index ); + + /* release font dictionaries, but only if working with */ + /* a CID keyed CFF font or a CFF2 font */ + if ( font->num_subfonts > 0 ) + { + for ( idx = 0; idx < font->num_subfonts; idx++ ) + cff_subfont_done( memory, font->subfonts[idx] ); + + /* the subfonts array has been allocated as a single block */ + FT_FREE( font->subfonts[0] ); + } + + cff_encoding_done( &font->encoding ); + cff_charset_done( &font->charset, font->stream ); + cff_vstore_done( &font->vstore, memory ); + + cff_subfont_done( memory, &font->top_font ); + + CFF_Done_FD_Select( &font->fd_select, font->stream ); + + FT_FREE( font->font_info ); + + FT_FREE( font->font_name ); + FT_FREE( font->global_subrs ); + FT_FREE( font->strings ); + FT_FREE( font->string_pool ); + + if ( font->cf2_instance.finalizer ) + { + font->cf2_instance.finalizer( font->cf2_instance.data ); + FT_FREE( font->cf2_instance.data ); + } + + FT_FREE( font->font_extra ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffload.h b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffload.h new file mode 100644 index 00000000000..14d14e21122 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffload.h @@ -0,0 +1,125 @@ +/***************************************************************************/ +/* */ +/* cffload.h */ +/* */ +/* OpenType & CFF data/program tables loader (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFLOAD_H_ +#define CFFLOAD_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_CFF_TYPES_H +#include "cffparse.h" +#include FT_INTERNAL_CFF_OBJECTS_TYPES_H /* for CFF_Face */ + + +FT_BEGIN_HEADER + + FT_LOCAL( FT_UShort ) + cff_get_standard_encoding( FT_UInt charcode ); + + + FT_LOCAL( FT_String* ) + cff_index_get_string( CFF_Font font, + FT_UInt element ); + + FT_LOCAL( FT_String* ) + cff_index_get_sid_string( CFF_Font font, + FT_UInt sid ); + + + FT_LOCAL( FT_Error ) + cff_index_access_element( CFF_Index idx, + FT_UInt element, + FT_Byte** pbytes, + FT_ULong* pbyte_len ); + + FT_LOCAL( void ) + cff_index_forget_element( CFF_Index idx, + FT_Byte** pbytes ); + + FT_LOCAL( FT_String* ) + cff_index_get_name( CFF_Font font, + FT_UInt element ); + + + FT_LOCAL( FT_UInt ) + cff_charset_cid_to_gindex( CFF_Charset charset, + FT_UInt cid ); + + + FT_LOCAL( FT_Error ) + cff_font_load( FT_Library library, + FT_Stream stream, + FT_Int face_index, + CFF_Font font, + CFF_Face face, + FT_Bool pure_cff, + FT_Bool cff2 ); + + FT_LOCAL( void ) + cff_font_done( CFF_Font font ); + + + FT_LOCAL( FT_Error ) + cff_load_private_dict( CFF_Font font, + CFF_SubFont subfont, + FT_UInt lenNDV, + FT_Fixed* NDV ); + + FT_LOCAL( FT_Byte ) + cff_fd_select_get( CFF_FDSelect fdselect, + FT_UInt glyph_index ); + + FT_LOCAL( FT_Bool ) + cff_blend_check_vector( CFF_Blend blend, + FT_UInt vsindex, + FT_UInt lenNDV, + FT_Fixed* NDV ); + + FT_LOCAL( FT_Error ) + cff_blend_build_vector( CFF_Blend blend, + FT_UInt vsindex, + FT_UInt lenNDV, + FT_Fixed* NDV ); + + FT_LOCAL( void ) + cff_blend_clear( CFF_SubFont subFont ); + + FT_LOCAL( FT_Error ) + cff_blend_doBlend( CFF_SubFont subfont, + CFF_Parser parser, + FT_UInt numBlends ); + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_LOCAL( FT_Error ) + cff_get_var_blend( CFF_Face face, + FT_UInt *num_coords, + FT_Fixed* *coords, + FT_Fixed* *normalizedcoords, + FT_MM_Var* *mm_var ); + + FT_LOCAL( void ) + cff_done_blend( CFF_Face face ); +#endif + + +FT_END_HEADER + +#endif /* CFFLOAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffobjs.c b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffobjs.c new file mode 100644 index 00000000000..a2d7aec65ef --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffobjs.c @@ -0,0 +1,1206 @@ +/***************************************************************************/ +/* */ +/* cffobjs.c */ +/* */ +/* OpenType objects manager (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> + +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_STREAM_H +#include FT_ERRORS_H +#include FT_TRUETYPE_IDS_H +#include FT_TRUETYPE_TAGS_H +#include FT_INTERNAL_SFNT_H +#include FT_DRIVER_H + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include FT_MULTIPLE_MASTERS_H +#include FT_SERVICE_MULTIPLE_MASTERS_H +#include FT_SERVICE_METRICS_VARIATIONS_H +#endif + +#include FT_INTERNAL_CFF_OBJECTS_TYPES_H +#include "cffobjs.h" +#include "cffload.h" +#include "cffcmap.h" +#include "cffpic.h" + +#include "cfferrs.h" + +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_SERVICE_CFF_TABLE_LOAD_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cffobjs + + + /*************************************************************************/ + /* */ + /* SIZE FUNCTIONS */ + /* */ + /*************************************************************************/ + + + static PSH_Globals_Funcs + cff_size_get_globals_funcs( CFF_Size size ) + { + CFF_Face face = (CFF_Face)size->root.face; + CFF_Font font = (CFF_Font)face->extra.data; + PSHinter_Service pshinter = font->pshinter; + FT_Module module; + + + module = FT_Get_Module( size->root.face->driver->root.library, + "pshinter" ); + return ( module && pshinter && pshinter->get_globals_funcs ) + ? pshinter->get_globals_funcs( module ) + : 0; + } + + + FT_LOCAL_DEF( void ) + cff_size_done( FT_Size cffsize ) /* CFF_Size */ + { + FT_Memory memory = cffsize->face->memory; + CFF_Size size = (CFF_Size)cffsize; + CFF_Face face = (CFF_Face)size->root.face; + CFF_Font font = (CFF_Font)face->extra.data; + CFF_Internal internal = (CFF_Internal)cffsize->internal->module_data; + + + if ( internal ) + { + PSH_Globals_Funcs funcs; + + + funcs = cff_size_get_globals_funcs( size ); + if ( funcs ) + { + FT_UInt i; + + + funcs->destroy( internal->topfont ); + + for ( i = font->num_subfonts; i > 0; i-- ) + funcs->destroy( internal->subfonts[i - 1] ); + } + + FT_FREE( internal ); + } + } + + + /* CFF and Type 1 private dictionaries have slightly different */ + /* structures; we need to synthesize a Type 1 dictionary on the fly */ + + static void + cff_make_private_dict( CFF_SubFont subfont, + PS_Private priv ) + { + CFF_Private cpriv = &subfont->private_dict; + FT_UInt n, count; + + + FT_ZERO( priv ); + + count = priv->num_blue_values = cpriv->num_blue_values; + for ( n = 0; n < count; n++ ) + priv->blue_values[n] = (FT_Short)cpriv->blue_values[n]; + + count = priv->num_other_blues = cpriv->num_other_blues; + for ( n = 0; n < count; n++ ) + priv->other_blues[n] = (FT_Short)cpriv->other_blues[n]; + + count = priv->num_family_blues = cpriv->num_family_blues; + for ( n = 0; n < count; n++ ) + priv->family_blues[n] = (FT_Short)cpriv->family_blues[n]; + + count = priv->num_family_other_blues = cpriv->num_family_other_blues; + for ( n = 0; n < count; n++ ) + priv->family_other_blues[n] = (FT_Short)cpriv->family_other_blues[n]; + + priv->blue_scale = cpriv->blue_scale; + priv->blue_shift = (FT_Int)cpriv->blue_shift; + priv->blue_fuzz = (FT_Int)cpriv->blue_fuzz; + + priv->standard_width[0] = (FT_UShort)cpriv->standard_width; + priv->standard_height[0] = (FT_UShort)cpriv->standard_height; + + count = priv->num_snap_widths = cpriv->num_snap_widths; + for ( n = 0; n < count; n++ ) + priv->snap_widths[n] = (FT_Short)cpriv->snap_widths[n]; + + count = priv->num_snap_heights = cpriv->num_snap_heights; + for ( n = 0; n < count; n++ ) + priv->snap_heights[n] = (FT_Short)cpriv->snap_heights[n]; + + priv->force_bold = cpriv->force_bold; + priv->language_group = cpriv->language_group; + priv->lenIV = cpriv->lenIV; + } + + + FT_LOCAL_DEF( FT_Error ) + cff_size_init( FT_Size cffsize ) /* CFF_Size */ + { + CFF_Size size = (CFF_Size)cffsize; + FT_Error error = FT_Err_Ok; + PSH_Globals_Funcs funcs = cff_size_get_globals_funcs( size ); + + + if ( funcs ) + { + CFF_Face face = (CFF_Face)cffsize->face; + CFF_Font font = (CFF_Font)face->extra.data; + CFF_Internal internal = NULL; + + PS_PrivateRec priv; + FT_Memory memory = cffsize->face->memory; + + FT_UInt i; + + + if ( FT_NEW( internal ) ) + goto Exit; + + cff_make_private_dict( &font->top_font, &priv ); + error = funcs->create( cffsize->face->memory, &priv, + &internal->topfont ); + if ( error ) + goto Exit; + + for ( i = font->num_subfonts; i > 0; i-- ) + { + CFF_SubFont sub = font->subfonts[i - 1]; + + + cff_make_private_dict( sub, &priv ); + error = funcs->create( cffsize->face->memory, &priv, + &internal->subfonts[i - 1] ); + if ( error ) + goto Exit; + } + + cffsize->internal->module_data = internal; + } + + size->strike_index = 0xFFFFFFFFUL; + + Exit: + return error; + } + + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + FT_LOCAL_DEF( FT_Error ) + cff_size_select( FT_Size size, + FT_ULong strike_index ) + { + CFF_Size cffsize = (CFF_Size)size; + PSH_Globals_Funcs funcs; + + + cffsize->strike_index = strike_index; + + FT_Select_Metrics( size->face, strike_index ); + + funcs = cff_size_get_globals_funcs( cffsize ); + + if ( funcs ) + { + CFF_Face face = (CFF_Face)size->face; + CFF_Font font = (CFF_Font)face->extra.data; + CFF_Internal internal = (CFF_Internal)size->internal->module_data; + + FT_Long top_upm = (FT_Long)font->top_font.font_dict.units_per_em; + FT_UInt i; + + + funcs->set_scale( internal->topfont, + size->metrics.x_scale, size->metrics.y_scale, + 0, 0 ); + + for ( i = font->num_subfonts; i > 0; i-- ) + { + CFF_SubFont sub = font->subfonts[i - 1]; + FT_Long sub_upm = (FT_Long)sub->font_dict.units_per_em; + FT_Pos x_scale, y_scale; + + + if ( top_upm != sub_upm ) + { + x_scale = FT_MulDiv( size->metrics.x_scale, top_upm, sub_upm ); + y_scale = FT_MulDiv( size->metrics.y_scale, top_upm, sub_upm ); + } + else + { + x_scale = size->metrics.x_scale; + y_scale = size->metrics.y_scale; + } + + funcs->set_scale( internal->subfonts[i - 1], + x_scale, y_scale, 0, 0 ); + } + } + + return FT_Err_Ok; + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + + FT_LOCAL_DEF( FT_Error ) + cff_size_request( FT_Size size, + FT_Size_Request req ) + { + CFF_Size cffsize = (CFF_Size)size; + PSH_Globals_Funcs funcs; + + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + if ( FT_HAS_FIXED_SIZES( size->face ) ) + { + CFF_Face cffface = (CFF_Face)size->face; + SFNT_Service sfnt = (SFNT_Service)cffface->sfnt; + FT_ULong strike_index; + + + if ( sfnt->set_sbit_strike( cffface, req, &strike_index ) ) + cffsize->strike_index = 0xFFFFFFFFUL; + else + return cff_size_select( size, strike_index ); + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + FT_Request_Metrics( size->face, req ); + + funcs = cff_size_get_globals_funcs( cffsize ); + + if ( funcs ) + { + CFF_Face cffface = (CFF_Face)size->face; + CFF_Font font = (CFF_Font)cffface->extra.data; + CFF_Internal internal = (CFF_Internal)size->internal->module_data; + + FT_Long top_upm = (FT_Long)font->top_font.font_dict.units_per_em; + FT_UInt i; + + + funcs->set_scale( internal->topfont, + size->metrics.x_scale, size->metrics.y_scale, + 0, 0 ); + + for ( i = font->num_subfonts; i > 0; i-- ) + { + CFF_SubFont sub = font->subfonts[i - 1]; + FT_Long sub_upm = (FT_Long)sub->font_dict.units_per_em; + FT_Pos x_scale, y_scale; + + + if ( top_upm != sub_upm ) + { + x_scale = FT_MulDiv( size->metrics.x_scale, top_upm, sub_upm ); + y_scale = FT_MulDiv( size->metrics.y_scale, top_upm, sub_upm ); + } + else + { + x_scale = size->metrics.x_scale; + y_scale = size->metrics.y_scale; + } + + funcs->set_scale( internal->subfonts[i - 1], + x_scale, y_scale, 0, 0 ); + } + } + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* SLOT FUNCTIONS */ + /* */ + /*************************************************************************/ + + FT_LOCAL_DEF( void ) + cff_slot_done( FT_GlyphSlot slot ) + { + slot->internal->glyph_hints = NULL; + } + + + FT_LOCAL_DEF( FT_Error ) + cff_slot_init( FT_GlyphSlot slot ) + { + CFF_Face face = (CFF_Face)slot->face; + CFF_Font font = (CFF_Font)face->extra.data; + PSHinter_Service pshinter = font->pshinter; + + + if ( pshinter ) + { + FT_Module module; + + + module = FT_Get_Module( slot->face->driver->root.library, + "pshinter" ); + if ( module ) + { + T2_Hints_Funcs funcs; + + + funcs = pshinter->get_t2_funcs( module ); + slot->internal->glyph_hints = (void*)funcs; + } + } + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* FACE FUNCTIONS */ + /* */ + /*************************************************************************/ + + static FT_String* + cff_strcpy( FT_Memory memory, + const FT_String* source ) + { + FT_Error error; + FT_String* result; + + + (void)FT_STRDUP( result, source ); + + FT_UNUSED( error ); + + return result; + } + + + /* Strip all subset prefixes of the form `ABCDEF+'. Usually, there */ + /* is only one, but font names like `APCOOG+JFABTD+FuturaBQ-Bold' */ + /* have been seen in the wild. */ + + static void + remove_subset_prefix( FT_String* name ) + { + FT_Int32 idx = 0; + FT_Int32 length = (FT_Int32)ft_strlen( name ) + 1; + FT_Bool continue_search = 1; + + + while ( continue_search ) + { + if ( length >= 7 && name[6] == '+' ) + { + for ( idx = 0; idx < 6; idx++ ) + { + /* ASCII uppercase letters */ + if ( !( 'A' <= name[idx] && name[idx] <= 'Z' ) ) + continue_search = 0; + } + + if ( continue_search ) + { + for ( idx = 7; idx < length; idx++ ) + name[idx - 7] = name[idx]; + length -= 7; + } + } + else + continue_search = 0; + } + } + + + /* Remove the style part from the family name (if present). */ + + static void + remove_style( FT_String* family_name, + const FT_String* style_name ) + { + FT_Int32 family_name_length, style_name_length; + + + family_name_length = (FT_Int32)ft_strlen( family_name ); + style_name_length = (FT_Int32)ft_strlen( style_name ); + + if ( family_name_length > style_name_length ) + { + FT_Int idx; + + + for ( idx = 1; idx <= style_name_length; idx++ ) + { + if ( family_name[family_name_length - idx] != + style_name[style_name_length - idx] ) + break; + } + + if ( idx > style_name_length ) + { + /* family_name ends with style_name; remove it */ + idx = family_name_length - style_name_length - 1; + + /* also remove special characters */ + /* between real family name and style */ + while ( idx > 0 && + ( family_name[idx] == '-' || + family_name[idx] == ' ' || + family_name[idx] == '_' || + family_name[idx] == '+' ) ) + idx--; + + if ( idx > 0 ) + family_name[idx + 1] = '\0'; + } + } + } + + + FT_LOCAL_DEF( FT_Error ) + cff_face_init( FT_Stream stream, + FT_Face cffface, /* CFF_Face */ + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ) + { + CFF_Face face = (CFF_Face)cffface; + FT_Error error; + SFNT_Service sfnt; + FT_Service_PsCMaps psnames; + PSHinter_Service pshinter; + PSAux_Service psaux; + FT_Service_CFFLoad cffload; + FT_Bool pure_cff = 1; + FT_Bool cff2 = 0; + FT_Bool sfnt_format = 0; + FT_Library library = cffface->driver->root.library; + + + sfnt = (SFNT_Service)FT_Get_Module_Interface( library, + "sfnt" ); + if ( !sfnt ) + { + FT_ERROR(( "cff_face_init: cannot access `sfnt' module\n" )); + error = FT_THROW( Missing_Module ); + goto Exit; + } + + FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); + + pshinter = (PSHinter_Service)FT_Get_Module_Interface( library, + "pshinter" ); + + psaux = (PSAux_Service)FT_Get_Module_Interface( library, + "psaux" ); + if ( !psaux ) + { + FT_ERROR(( "cff_face_init: cannot access `psaux' module\n" )); + error = FT_THROW( Missing_Module ); + goto Exit; + } + face->psaux = psaux; + + FT_FACE_FIND_GLOBAL_SERVICE( face, cffload, CFF_LOAD ); + + FT_TRACE2(( "CFF driver\n" )); + + /* create input stream from resource */ + if ( FT_STREAM_SEEK( 0 ) ) + goto Exit; + + /* check whether we have a valid OpenType file */ + FT_TRACE2(( " " )); + error = sfnt->init_face( stream, face, face_index, num_params, params ); + if ( !error ) + { + if ( face->format_tag != TTAG_OTTO ) /* `OTTO'; OpenType/CFF font */ + { + FT_TRACE2(( " not an OpenType/CFF font\n" )); + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + + /* if we are performing a simple font format check, exit immediately */ + if ( face_index < 0 ) + return FT_Err_Ok; + + sfnt_format = 1; + + /* now, the font can be either an OpenType/CFF font, or an SVG CEF */ + /* font; in the latter case it doesn't have a `head' table */ + error = face->goto_table( face, TTAG_head, stream, 0 ); + if ( !error ) + { + pure_cff = 0; + + /* load font directory */ + error = sfnt->load_face( stream, face, face_index, + num_params, params ); + if ( error ) + goto Exit; + } + else + { + /* load the `cmap' table explicitly */ + error = sfnt->load_cmap( face, stream ); + if ( error ) + goto Exit; + } + + /* now load the CFF part of the file; */ + /* give priority to CFF2 */ + error = face->goto_table( face, TTAG_CFF2, stream, 0 ); + if ( !error ) + { + cff2 = 1; + face->is_cff2 = cff2; + } + + if ( FT_ERR_EQ( error, Table_Missing ) ) + error = face->goto_table( face, TTAG_CFF, stream, 0 ); + + if ( error ) + goto Exit; + } + else + { + /* rewind to start of file; we are going to load a pure-CFF font */ + if ( FT_STREAM_SEEK( 0 ) ) + goto Exit; + error = FT_Err_Ok; + } + + /* now load and parse the CFF table in the file */ + { + CFF_Font cff = NULL; + CFF_FontRecDict dict; + FT_Memory memory = cffface->memory; + FT_Int32 flags; + FT_UInt i; + + + if ( FT_NEW( cff ) ) + goto Exit; + + face->extra.data = cff; + error = cff_font_load( library, + stream, + face_index, + cff, + face, + pure_cff, + cff2 ); + if ( error ) + goto Exit; + + /* if we are performing a simple font format check, exit immediately */ + /* (this is here for pure CFF) */ + if ( face_index < 0 ) + { + cffface->num_faces = (FT_Long)cff->num_faces; + return FT_Err_Ok; + } + + cff->pshinter = pshinter; + cff->psnames = psnames; + cff->cffload = cffload; + + cffface->face_index = face_index & 0xFFFF; + + /* Complement the root flags with some interesting information. */ + /* Note that this is only necessary for pure CFF and CEF fonts; */ + /* SFNT based fonts use the `name' table instead. */ + + cffface->num_glyphs = (FT_Long)cff->num_glyphs; + + dict = &cff->top_font.font_dict; + + /* we need the `PSNames' module for CFF and CEF formats */ + /* which aren't CID-keyed */ + if ( dict->cid_registry == 0xFFFFU && !psnames ) + { + FT_ERROR(( "cff_face_init:" + " cannot open CFF & CEF fonts\n" + " " + " without the `PSNames' module\n" )); + error = FT_THROW( Missing_Module ); + goto Exit; + } + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_UInt idx; + FT_String* s; + + + FT_TRACE4(( "SIDs\n" )); + + /* dump string index, including default strings for convenience */ + for ( idx = 0; idx <= 390; idx++ ) + { + s = cff_index_get_sid_string( cff, idx ); + if ( s ) + FT_TRACE4(( " %5d %s\n", idx, s )); + } + + /* In Multiple Master CFFs, two SIDs hold the Normalize Design */ + /* Vector (NDV) and Convert Design Vector (CDV) charstrings, */ + /* which may contain NULL bytes in the middle of the data, too. */ + /* We thus access `cff->strings' directly. */ + for ( idx = 1; idx < cff->num_strings; idx++ ) + { + FT_Byte* s1 = cff->strings[idx - 1]; + FT_Byte* s2 = cff->strings[idx]; + FT_PtrDist s1len = s2 - s1 - 1; /* without the final NULL byte */ + FT_PtrDist l; + + + FT_TRACE4(( " %5d ", idx + 390 )); + for ( l = 0; l < s1len; l++ ) + FT_TRACE4(( "%c", s1[l] )); + FT_TRACE4(( "\n" )); + } + + /* print last element */ + if ( cff->num_strings ) + { + FT_Byte* s1 = cff->strings[cff->num_strings - 1]; + FT_Byte* s2 = cff->string_pool + cff->string_pool_size; + FT_PtrDist s1len = s2 - s1 - 1; + FT_PtrDist l; + + + FT_TRACE4(( " %5d ", cff->num_strings + 390 )); + for ( l = 0; l < s1len; l++ ) + FT_TRACE4(( "%c", s1[l] )); + FT_TRACE4(( "\n" )); + } + } +#endif /* FT_DEBUG_LEVEL_TRACE */ + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + { + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + FT_Service_MetricsVariations var = (FT_Service_MetricsVariations)face->var; + + FT_UInt instance_index = (FT_UInt)face_index >> 16; + + + if ( FT_HAS_MULTIPLE_MASTERS( cffface ) && + mm && + instance_index > 0 ) + { + error = mm->set_instance( cffface, instance_index ); + if ( error ) + goto Exit; + + if ( var ) + var->metrics_adjust( cffface ); + } + } +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + if ( !dict->has_font_matrix ) + dict->units_per_em = pure_cff ? 1000 : face->root.units_per_EM; + + /* Normalize the font matrix so that `matrix->yy' is 1; if */ + /* it is zero, we use `matrix->yx' instead. The scaling is */ + /* done with `units_per_em' then (at this point, it already */ + /* contains the scaling factor, but without normalization */ + /* of the matrix). */ + /* */ + /* Note that the offsets must be expressed in integer font */ + /* units. */ + + { + FT_Matrix* matrix = &dict->font_matrix; + FT_Vector* offset = &dict->font_offset; + FT_ULong* upm = &dict->units_per_em; + FT_Fixed temp; + + + temp = matrix->yy ? FT_ABS( matrix->yy ) + : FT_ABS( matrix->yx ); + + if ( temp != 0x10000L ) + { + *upm = (FT_ULong)FT_DivFix( (FT_Long)*upm, temp ); + + matrix->xx = FT_DivFix( matrix->xx, temp ); + matrix->yx = FT_DivFix( matrix->yx, temp ); + matrix->xy = FT_DivFix( matrix->xy, temp ); + matrix->yy = FT_DivFix( matrix->yy, temp ); + offset->x = FT_DivFix( offset->x, temp ); + offset->y = FT_DivFix( offset->y, temp ); + } + + offset->x >>= 16; + offset->y >>= 16; + } + + for ( i = cff->num_subfonts; i > 0; i-- ) + { + CFF_FontRecDict sub = &cff->subfonts[i - 1]->font_dict; + CFF_FontRecDict top = &cff->top_font.font_dict; + + FT_Matrix* matrix; + FT_Vector* offset; + FT_ULong* upm; + FT_Fixed temp; + + + if ( sub->has_font_matrix ) + { + FT_Long scaling; + + + /* if we have a top-level matrix, */ + /* concatenate the subfont matrix */ + + if ( top->has_font_matrix ) + { + if ( top->units_per_em > 1 && sub->units_per_em > 1 ) + scaling = (FT_Long)FT_MIN( top->units_per_em, + sub->units_per_em ); + else + scaling = 1; + + FT_Matrix_Multiply_Scaled( &top->font_matrix, + &sub->font_matrix, + scaling ); + FT_Vector_Transform_Scaled( &sub->font_offset, + &top->font_matrix, + scaling ); + + sub->units_per_em = (FT_ULong) + FT_MulDiv( (FT_Long)sub->units_per_em, + (FT_Long)top->units_per_em, + scaling ); + } + } + else + { + sub->font_matrix = top->font_matrix; + sub->font_offset = top->font_offset; + + sub->units_per_em = top->units_per_em; + } + + matrix = &sub->font_matrix; + offset = &sub->font_offset; + upm = &sub->units_per_em; + + temp = matrix->yy ? FT_ABS( matrix->yy ) + : FT_ABS( matrix->yx ); + + + if ( temp != 0x10000L ) + { + *upm = (FT_ULong)FT_DivFix( (FT_Long)*upm, temp ); + + matrix->xx = FT_DivFix( matrix->xx, temp ); + matrix->yx = FT_DivFix( matrix->yx, temp ); + matrix->xy = FT_DivFix( matrix->xy, temp ); + matrix->yy = FT_DivFix( matrix->yy, temp ); + offset->x = FT_DivFix( offset->x, temp ); + offset->y = FT_DivFix( offset->y, temp ); + } + + offset->x >>= 16; + offset->y >>= 16; + } + + if ( pure_cff ) + { + char* style_name = NULL; + + + /* set up num_faces */ + cffface->num_faces = (FT_Long)cff->num_faces; + + /* compute number of glyphs */ + if ( dict->cid_registry != 0xFFFFU ) + cffface->num_glyphs = (FT_Long)( cff->charset.max_cid + 1 ); + else + cffface->num_glyphs = (FT_Long)cff->charstrings_index.count; + + /* set global bbox, as well as EM size */ + cffface->bbox.xMin = dict->font_bbox.xMin >> 16; + cffface->bbox.yMin = dict->font_bbox.yMin >> 16; + /* no `U' suffix here to 0xFFFF! */ + cffface->bbox.xMax = ( dict->font_bbox.xMax + 0xFFFF ) >> 16; + cffface->bbox.yMax = ( dict->font_bbox.yMax + 0xFFFF ) >> 16; + + cffface->units_per_EM = (FT_UShort)( dict->units_per_em ); + + cffface->ascender = (FT_Short)( cffface->bbox.yMax ); + cffface->descender = (FT_Short)( cffface->bbox.yMin ); + + cffface->height = (FT_Short)( ( cffface->units_per_EM * 12 ) / 10 ); + if ( cffface->height < cffface->ascender - cffface->descender ) + cffface->height = (FT_Short)( cffface->ascender - + cffface->descender ); + + cffface->underline_position = + (FT_Short)( dict->underline_position >> 16 ); + cffface->underline_thickness = + (FT_Short)( dict->underline_thickness >> 16 ); + + /* retrieve font family & style name */ + if ( dict->family_name ) + { + char* family_name; + + + family_name = cff_index_get_sid_string( cff, dict->family_name ); + if ( family_name ) + cffface->family_name = cff_strcpy( memory, family_name ); + } + + if ( !cffface->family_name ) + { + cffface->family_name = cff_index_get_name( + cff, + (FT_UInt)( face_index & 0xFFFF ) ); + if ( cffface->family_name ) + remove_subset_prefix( cffface->family_name ); + } + + if ( cffface->family_name ) + { + char* full = cff_index_get_sid_string( cff, + dict->full_name ); + char* fullp = full; + char* family = cffface->family_name; + + + /* We try to extract the style name from the full name. */ + /* We need to ignore spaces and dashes during the search. */ + if ( full && family ) + { + while ( *fullp ) + { + /* skip common characters at the start of both strings */ + if ( *fullp == *family ) + { + family++; + fullp++; + continue; + } + + /* ignore spaces and dashes in full name during comparison */ + if ( *fullp == ' ' || *fullp == '-' ) + { + fullp++; + continue; + } + + /* ignore spaces and dashes in family name during comparison */ + if ( *family == ' ' || *family == '-' ) + { + family++; + continue; + } + + if ( !*family && *fullp ) + { + /* The full name begins with the same characters as the */ + /* family name, with spaces and dashes removed. In this */ + /* case, the remaining string in `fullp' will be used as */ + /* the style name. */ + style_name = cff_strcpy( memory, fullp ); + + /* remove the style part from the family name (if present) */ + remove_style( cffface->family_name, style_name ); + } + break; + } + } + } + else + { + char *cid_font_name = + cff_index_get_sid_string( cff, + dict->cid_font_name ); + + + /* do we have a `/FontName' for a CID-keyed font? */ + if ( cid_font_name ) + cffface->family_name = cff_strcpy( memory, cid_font_name ); + } + + if ( style_name ) + cffface->style_name = style_name; + else + /* assume "Regular" style if we don't know better */ + cffface->style_name = cff_strcpy( memory, (char *)"Regular" ); + + /*******************************************************************/ + /* */ + /* Compute face flags. */ + /* */ + flags = FT_FACE_FLAG_SCALABLE | /* scalable outlines */ + FT_FACE_FLAG_HORIZONTAL | /* horizontal data */ + FT_FACE_FLAG_HINTER; /* has native hinter */ + + if ( sfnt_format ) + flags |= FT_FACE_FLAG_SFNT; + + /* fixed width font? */ + if ( dict->is_fixed_pitch ) + flags |= FT_FACE_FLAG_FIXED_WIDTH; + + /* XXX: WE DO NOT SUPPORT KERNING METRICS IN THE GPOS TABLE FOR NOW */ +#if 0 + /* kerning available? */ + if ( face->kern_pairs ) + flags |= FT_FACE_FLAG_KERNING; +#endif + + cffface->face_flags |= flags; + + /*******************************************************************/ + /* */ + /* Compute style flags. */ + /* */ + flags = 0; + + if ( dict->italic_angle ) + flags |= FT_STYLE_FLAG_ITALIC; + + { + char *weight = cff_index_get_sid_string( cff, + dict->weight ); + + + if ( weight ) + if ( !ft_strcmp( weight, "Bold" ) || + !ft_strcmp( weight, "Black" ) ) + flags |= FT_STYLE_FLAG_BOLD; + } + + /* double check */ + if ( !(flags & FT_STYLE_FLAG_BOLD) && cffface->style_name ) + if ( !ft_strncmp( cffface->style_name, "Bold", 4 ) || + !ft_strncmp( cffface->style_name, "Black", 5 ) ) + flags |= FT_STYLE_FLAG_BOLD; + + cffface->style_flags = flags; + } + +#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES + /* CID-keyed CFF fonts don't have glyph names -- the SFNT loader */ + /* has unset this flag because of the 3.0 `post' table. */ + if ( dict->cid_registry == 0xFFFFU ) + cffface->face_flags |= FT_FACE_FLAG_GLYPH_NAMES; +#endif + + if ( dict->cid_registry != 0xFFFFU && pure_cff ) + cffface->face_flags |= FT_FACE_FLAG_CID_KEYED; + + /*******************************************************************/ + /* */ + /* Compute char maps. */ + /* */ + + /* Try to synthesize a Unicode charmap if there is none available */ + /* already. If an OpenType font contains a Unicode "cmap", we */ + /* will use it, whatever be in the CFF part of the file. */ + { + FT_CharMapRec cmaprec; + FT_CharMap cmap; + FT_UInt nn; + CFF_Encoding encoding = &cff->encoding; + + + for ( nn = 0; nn < (FT_UInt)cffface->num_charmaps; nn++ ) + { + cmap = cffface->charmaps[nn]; + + /* Windows Unicode? */ + if ( cmap->platform_id == TT_PLATFORM_MICROSOFT && + cmap->encoding_id == TT_MS_ID_UNICODE_CS ) + goto Skip_Unicode; + + /* Apple Unicode platform id? */ + if ( cmap->platform_id == TT_PLATFORM_APPLE_UNICODE ) + goto Skip_Unicode; /* Apple Unicode */ + } + + /* since CID-keyed fonts don't contain glyph names, we can't */ + /* construct a cmap */ + if ( pure_cff && cff->top_font.font_dict.cid_registry != 0xFFFFU ) + goto Exit; + + /* we didn't find a Unicode charmap -- synthesize one */ + cmaprec.face = cffface; + cmaprec.platform_id = TT_PLATFORM_MICROSOFT; + cmaprec.encoding_id = TT_MS_ID_UNICODE_CS; + cmaprec.encoding = FT_ENCODING_UNICODE; + + nn = (FT_UInt)cffface->num_charmaps; + + error = FT_CMap_New( &CFF_CMAP_UNICODE_CLASS_REC_GET, NULL, + &cmaprec, NULL ); + if ( error && + FT_ERR_NEQ( error, No_Unicode_Glyph_Name ) ) + goto Exit; + error = FT_Err_Ok; + + /* if no Unicode charmap was previously selected, select this one */ + if ( !cffface->charmap && nn != (FT_UInt)cffface->num_charmaps ) + cffface->charmap = cffface->charmaps[nn]; + + Skip_Unicode: + if ( encoding->count > 0 ) + { + FT_CMap_Class clazz; + + + cmaprec.face = cffface; + cmaprec.platform_id = TT_PLATFORM_ADOBE; /* Adobe platform id */ + + if ( encoding->offset == 0 ) + { + cmaprec.encoding_id = TT_ADOBE_ID_STANDARD; + cmaprec.encoding = FT_ENCODING_ADOBE_STANDARD; + clazz = &CFF_CMAP_ENCODING_CLASS_REC_GET; + } + else if ( encoding->offset == 1 ) + { + cmaprec.encoding_id = TT_ADOBE_ID_EXPERT; + cmaprec.encoding = FT_ENCODING_ADOBE_EXPERT; + clazz = &CFF_CMAP_ENCODING_CLASS_REC_GET; + } + else + { + cmaprec.encoding_id = TT_ADOBE_ID_CUSTOM; + cmaprec.encoding = FT_ENCODING_ADOBE_CUSTOM; + clazz = &CFF_CMAP_ENCODING_CLASS_REC_GET; + } + + error = FT_CMap_New( clazz, NULL, &cmaprec, NULL ); + } + } + } + + Exit: + return error; + } + + + FT_LOCAL_DEF( void ) + cff_face_done( FT_Face cffface ) /* CFF_Face */ + { + CFF_Face face = (CFF_Face)cffface; + FT_Memory memory; + SFNT_Service sfnt; + + + if ( !face ) + return; + + memory = cffface->memory; + sfnt = (SFNT_Service)face->sfnt; + + if ( sfnt ) + sfnt->done_face( face ); + + { + CFF_Font cff = (CFF_Font)face->extra.data; + + + if ( cff ) + { + cff_font_done( cff ); + FT_FREE( face->extra.data ); + } + } + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + cff_done_blend( face ); + face->blend = NULL; +#endif + } + + + FT_LOCAL_DEF( FT_Error ) + cff_driver_init( FT_Module module ) /* CFF_Driver */ + { + PS_Driver driver = (PS_Driver)module; + + FT_UInt32 seed; + + + /* set default property values, cf. `ftcffdrv.h' */ +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + driver->hinting_engine = FT_HINTING_FREETYPE; +#else + driver->hinting_engine = FT_HINTING_ADOBE; +#endif + + driver->no_stem_darkening = TRUE; + + driver->darken_params[0] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1; + driver->darken_params[1] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1; + driver->darken_params[2] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2; + driver->darken_params[3] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2; + driver->darken_params[4] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3; + driver->darken_params[5] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3; + driver->darken_params[6] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4; + driver->darken_params[7] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4; + + /* compute random seed from some memory addresses */ + seed = (FT_UInt32)( (FT_Offset)(char*)&seed ^ + (FT_Offset)(char*)&module ^ + (FT_Offset)(char*)module->memory ); + seed = seed ^ ( seed >> 10 ) ^ ( seed >> 20 ); + + driver->random_seed = (FT_Int32)seed; + if ( driver->random_seed < 0 ) + driver->random_seed = -driver->random_seed; + else if ( driver->random_seed == 0 ) + driver->random_seed = 123456789; + + return FT_Err_Ok; + } + + + FT_LOCAL_DEF( void ) + cff_driver_done( FT_Module module ) /* CFF_Driver */ + { + FT_UNUSED( module ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffobjs.h b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffobjs.h new file mode 100644 index 00000000000..616a25b3b59 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffobjs.h @@ -0,0 +1,85 @@ +/***************************************************************************/ +/* */ +/* cffobjs.h */ +/* */ +/* OpenType objects manager (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFOBJS_H_ +#define CFFOBJS_H_ + + +#include <ft2build.h> + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + cff_size_init( FT_Size size ); /* CFF_Size */ + + FT_LOCAL( void ) + cff_size_done( FT_Size size ); /* CFF_Size */ + + FT_LOCAL( FT_Error ) + cff_size_request( FT_Size size, + FT_Size_Request req ); + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + FT_LOCAL( FT_Error ) + cff_size_select( FT_Size size, + FT_ULong strike_index ); + +#endif + + FT_LOCAL( void ) + cff_slot_done( FT_GlyphSlot slot ); + + FT_LOCAL( FT_Error ) + cff_slot_init( FT_GlyphSlot slot ); + + + /*************************************************************************/ + /* */ + /* Face functions */ + /* */ + FT_LOCAL( FT_Error ) + cff_face_init( FT_Stream stream, + FT_Face face, /* CFF_Face */ + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ); + + FT_LOCAL( void ) + cff_face_done( FT_Face face ); /* CFF_Face */ + + + /*************************************************************************/ + /* */ + /* Driver functions */ + /* */ + FT_LOCAL( FT_Error ) + cff_driver_init( FT_Module module ); /* PS_Driver */ + + FT_LOCAL( void ) + cff_driver_done( FT_Module module ); /* PS_Driver */ + + +FT_END_HEADER + +#endif /* CFFOBJS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffparse.c b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffparse.c new file mode 100644 index 00000000000..b9611cf548a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffparse.c @@ -0,0 +1,1694 @@ +/***************************************************************************/ +/* */ +/* cffparse.c */ +/* */ +/* CFF token stream parser (body) */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include "cffparse.h" +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H + +#include "cfferrs.h" +#include "cffpic.h" +#include "cffload.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cffparse + + + FT_LOCAL_DEF( FT_Error ) + cff_parser_init( CFF_Parser parser, + FT_UInt code, + void* object, + FT_Library library, + FT_UInt stackSize, + FT_UShort num_designs, + FT_UShort num_axes ) + { + FT_Memory memory = library->memory; /* for FT_NEW_ARRAY */ + FT_Error error; /* for FT_NEW_ARRAY */ + + + FT_ZERO( parser ); + +#if 0 + parser->top = parser->stack; +#endif + parser->object_code = code; + parser->object = object; + parser->library = library; + parser->num_designs = num_designs; + parser->num_axes = num_axes; + + /* allocate the stack buffer */ + if ( FT_NEW_ARRAY( parser->stack, stackSize ) ) + { + FT_FREE( parser->stack ); + goto Exit; + } + + parser->stackSize = stackSize; + parser->top = parser->stack; /* empty stack */ + + Exit: + return error; + } + + + FT_LOCAL_DEF( void ) + cff_parser_done( CFF_Parser parser ) + { + FT_Memory memory = parser->library->memory; /* for FT_FREE */ + + + FT_FREE( parser->stack ); + } + + + /* read an integer */ + static FT_Long + cff_parse_integer( FT_Byte* start, + FT_Byte* limit ) + { + FT_Byte* p = start; + FT_Int v = *p++; + FT_Long val = 0; + + + if ( v == 28 ) + { + if ( p + 2 > limit ) + goto Bad; + + val = (FT_Short)( ( (FT_UShort)p[0] << 8 ) | p[1] ); + } + else if ( v == 29 ) + { + if ( p + 4 > limit ) + goto Bad; + + val = (FT_Long)( ( (FT_ULong)p[0] << 24 ) | + ( (FT_ULong)p[1] << 16 ) | + ( (FT_ULong)p[2] << 8 ) | + (FT_ULong)p[3] ); + } + else if ( v < 247 ) + { + val = v - 139; + } + else if ( v < 251 ) + { + if ( p + 1 > limit ) + goto Bad; + + val = ( v - 247 ) * 256 + p[0] + 108; + } + else + { + if ( p + 1 > limit ) + goto Bad; + + val = -( v - 251 ) * 256 - p[0] - 108; + } + + Exit: + return val; + + Bad: + val = 0; + FT_TRACE4(( "!!!END OF DATA:!!!" )); + goto Exit; + } + + + static const FT_Long power_tens[] = + { + 1L, + 10L, + 100L, + 1000L, + 10000L, + 100000L, + 1000000L, + 10000000L, + 100000000L, + 1000000000L + }; + + /* maximum values allowed for multiplying */ + /* with the corresponding `power_tens' element */ + static const FT_Long power_ten_limits[] = + { + FT_LONG_MAX / 1L, + FT_LONG_MAX / 10L, + FT_LONG_MAX / 100L, + FT_LONG_MAX / 1000L, + FT_LONG_MAX / 10000L, + FT_LONG_MAX / 100000L, + FT_LONG_MAX / 1000000L, + FT_LONG_MAX / 10000000L, + FT_LONG_MAX / 100000000L, + FT_LONG_MAX / 1000000000L, + }; + + + /* read a real */ + static FT_Fixed + cff_parse_real( FT_Byte* start, + FT_Byte* limit, + FT_Long power_ten, + FT_Long* scaling ) + { + FT_Byte* p = start; + FT_Int nib; + FT_UInt phase; + + FT_Long result, number, exponent; + FT_Int sign = 0, exponent_sign = 0, have_overflow = 0; + FT_Long exponent_add, integer_length, fraction_length; + + + if ( scaling ) + *scaling = 0; + + result = 0; + + number = 0; + exponent = 0; + + exponent_add = 0; + integer_length = 0; + fraction_length = 0; + + /* First of all, read the integer part. */ + phase = 4; + + for (;;) + { + /* If we entered this iteration with phase == 4, we need to */ + /* read a new byte. This also skips past the initial 0x1E. */ + if ( phase ) + { + p++; + + /* Make sure we don't read past the end. */ + if ( p >= limit ) + goto Bad; + } + + /* Get the nibble. */ + nib = (FT_Int)( p[0] >> phase ) & 0xF; + phase = 4 - phase; + + if ( nib == 0xE ) + sign = 1; + else if ( nib > 9 ) + break; + else + { + /* Increase exponent if we can't add the digit. */ + if ( number >= 0xCCCCCCCL ) + exponent_add++; + /* Skip leading zeros. */ + else if ( nib || number ) + { + integer_length++; + number = number * 10 + nib; + } + } + } + + /* Read fraction part, if any. */ + if ( nib == 0xA ) + for (;;) + { + /* If we entered this iteration with phase == 4, we need */ + /* to read a new byte. */ + if ( phase ) + { + p++; + + /* Make sure we don't read past the end. */ + if ( p >= limit ) + goto Bad; + } + + /* Get the nibble. */ + nib = ( p[0] >> phase ) & 0xF; + phase = 4 - phase; + if ( nib >= 10 ) + break; + + /* Skip leading zeros if possible. */ + if ( !nib && !number ) + exponent_add--; + /* Only add digit if we don't overflow. */ + else if ( number < 0xCCCCCCCL && fraction_length < 9 ) + { + fraction_length++; + number = number * 10 + nib; + } + } + + /* Read exponent, if any. */ + if ( nib == 12 ) + { + exponent_sign = 1; + nib = 11; + } + + if ( nib == 11 ) + { + for (;;) + { + /* If we entered this iteration with phase == 4, */ + /* we need to read a new byte. */ + if ( phase ) + { + p++; + + /* Make sure we don't read past the end. */ + if ( p >= limit ) + goto Bad; + } + + /* Get the nibble. */ + nib = ( p[0] >> phase ) & 0xF; + phase = 4 - phase; + if ( nib >= 10 ) + break; + + /* Arbitrarily limit exponent. */ + if ( exponent > 1000 ) + have_overflow = 1; + else + exponent = exponent * 10 + nib; + } + + if ( exponent_sign ) + exponent = -exponent; + } + + if ( !number ) + goto Exit; + + if ( have_overflow ) + { + if ( exponent_sign ) + goto Underflow; + else + goto Overflow; + } + + /* We don't check `power_ten' and `exponent_add'. */ + exponent += power_ten + exponent_add; + + if ( scaling ) + { + /* Only use `fraction_length'. */ + fraction_length += integer_length; + exponent += integer_length; + + if ( fraction_length <= 5 ) + { + if ( number > 0x7FFFL ) + { + result = FT_DivFix( number, 10 ); + *scaling = exponent - fraction_length + 1; + } + else + { + if ( exponent > 0 ) + { + FT_Long new_fraction_length, shift; + + + /* Make `scaling' as small as possible. */ + new_fraction_length = FT_MIN( exponent, 5 ); + shift = new_fraction_length - fraction_length; + + if ( shift > 0 ) + { + exponent -= new_fraction_length; + number *= power_tens[shift]; + if ( number > 0x7FFFL ) + { + number /= 10; + exponent += 1; + } + } + else + exponent -= fraction_length; + } + else + exponent -= fraction_length; + + result = (FT_Long)( (FT_ULong)number << 16 ); + *scaling = exponent; + } + } + else + { + if ( ( number / power_tens[fraction_length - 5] ) > 0x7FFFL ) + { + result = FT_DivFix( number, power_tens[fraction_length - 4] ); + *scaling = exponent - 4; + } + else + { + result = FT_DivFix( number, power_tens[fraction_length - 5] ); + *scaling = exponent - 5; + } + } + } + else + { + integer_length += exponent; + fraction_length -= exponent; + + if ( integer_length > 5 ) + goto Overflow; + if ( integer_length < -5 ) + goto Underflow; + + /* Remove non-significant digits. */ + if ( integer_length < 0 ) + { + number /= power_tens[-integer_length]; + fraction_length += integer_length; + } + + /* this can only happen if exponent was non-zero */ + if ( fraction_length == 10 ) + { + number /= 10; + fraction_length -= 1; + } + + /* Convert into 16.16 format. */ + if ( fraction_length > 0 ) + { + if ( ( number / power_tens[fraction_length] ) > 0x7FFFL ) + goto Exit; + + result = FT_DivFix( number, power_tens[fraction_length] ); + } + else + { + number *= power_tens[-fraction_length]; + + if ( number > 0x7FFFL ) + goto Overflow; + + result = (FT_Long)( (FT_ULong)number << 16 ); + } + } + + Exit: + if ( sign ) + result = -result; + + return result; + + Overflow: + result = 0x7FFFFFFFL; + FT_TRACE4(( "!!!OVERFLOW:!!!" )); + goto Exit; + + Underflow: + result = 0; + FT_TRACE4(( "!!!UNDERFLOW:!!!" )); + goto Exit; + + Bad: + result = 0; + FT_TRACE4(( "!!!END OF DATA:!!!" )); + goto Exit; + } + + + /* read a number, either integer or real */ + FT_LOCAL_DEF( FT_Long ) + cff_parse_num( CFF_Parser parser, + FT_Byte** d ) + { + if ( **d == 30 ) + { + /* binary-coded decimal is truncated to integer */ + return cff_parse_real( *d, parser->limit, 0, NULL ) >> 16; + } + + else if ( **d == 255 ) + { + /* 16.16 fixed point is used internally for CFF2 blend results. */ + /* Since these are trusted values, a limit check is not needed. */ + + /* After the 255, 4 bytes give the number. */ + /* The blend value is converted to integer, with rounding; */ + /* due to the right-shift we don't need the lowest byte. */ +#if 0 + return (FT_Short)( + ( ( ( (FT_UInt32)*( d[0] + 1 ) << 24 ) | + ( (FT_UInt32)*( d[0] + 2 ) << 16 ) | + ( (FT_UInt32)*( d[0] + 3 ) << 8 ) | + (FT_UInt32)*( d[0] + 4 ) ) + 0x8000U ) >> 16 ); +#else + return (FT_Short)( + ( ( ( (FT_UInt32)*( d[0] + 1 ) << 16 ) | + ( (FT_UInt32)*( d[0] + 2 ) << 8 ) | + (FT_UInt32)*( d[0] + 3 ) ) + 0x80U ) >> 8 ); +#endif + } + + else + return cff_parse_integer( *d, parser->limit ); + } + + + /* read a floating point number, either integer or real */ + static FT_Fixed + do_fixed( CFF_Parser parser, + FT_Byte** d, + FT_Long scaling ) + { + if ( **d == 30 ) + return cff_parse_real( *d, parser->limit, scaling, NULL ); + else + { + FT_Long val = cff_parse_integer( *d, parser->limit ); + + + if ( scaling ) + { + if ( FT_ABS( val ) > power_ten_limits[scaling] ) + { + val = val > 0 ? 0x7FFFFFFFL : -0x7FFFFFFFL; + goto Overflow; + } + + val *= power_tens[scaling]; + } + + if ( val > 0x7FFF ) + { + val = 0x7FFFFFFFL; + goto Overflow; + } + else if ( val < -0x7FFF ) + { + val = -0x7FFFFFFFL; + goto Overflow; + } + + return (FT_Long)( (FT_ULong)val << 16 ); + + Overflow: + FT_TRACE4(( "!!!OVERFLOW:!!!" )); + return val; + } + } + + + /* read a floating point number, either integer or real */ + static FT_Fixed + cff_parse_fixed( CFF_Parser parser, + FT_Byte** d ) + { + return do_fixed( parser, d, 0 ); + } + + + /* read a floating point number, either integer or real, */ + /* but return `10^scaling' times the number read in */ + static FT_Fixed + cff_parse_fixed_scaled( CFF_Parser parser, + FT_Byte** d, + FT_Long scaling ) + { + return do_fixed( parser, d, scaling ); + } + + + /* read a floating point number, either integer or real, */ + /* and return it as precise as possible -- `scaling' returns */ + /* the scaling factor (as a power of 10) */ + static FT_Fixed + cff_parse_fixed_dynamic( CFF_Parser parser, + FT_Byte** d, + FT_Long* scaling ) + { + FT_ASSERT( scaling ); + + if ( **d == 30 ) + return cff_parse_real( *d, parser->limit, 0, scaling ); + else + { + FT_Long number; + FT_Int integer_length; + + + number = cff_parse_integer( d[0], d[1] ); + + if ( number > 0x7FFFL ) + { + for ( integer_length = 5; integer_length < 10; integer_length++ ) + if ( number < power_tens[integer_length] ) + break; + + if ( ( number / power_tens[integer_length - 5] ) > 0x7FFFL ) + { + *scaling = integer_length - 4; + return FT_DivFix( number, power_tens[integer_length - 4] ); + } + else + { + *scaling = integer_length - 5; + return FT_DivFix( number, power_tens[integer_length - 5] ); + } + } + else + { + *scaling = 0; + return (FT_Long)( (FT_ULong)number << 16 ); + } + } + } + + + static FT_Error + cff_parse_font_matrix( CFF_Parser parser ) + { + CFF_FontRecDict dict = (CFF_FontRecDict)parser->object; + FT_Matrix* matrix = &dict->font_matrix; + FT_Vector* offset = &dict->font_offset; + FT_ULong* upm = &dict->units_per_em; + FT_Byte** data = parser->stack; + FT_Error error = FT_ERR( Stack_Underflow ); + + + if ( parser->top >= parser->stack + 6 ) + { + FT_Fixed values[6]; + FT_Long scalings[6]; + + FT_Long min_scaling, max_scaling; + int i; + + + error = FT_Err_Ok; + + dict->has_font_matrix = TRUE; + + /* We expect a well-formed font matrix, this is, the matrix elements */ + /* `xx' and `yy' are of approximately the same magnitude. To avoid */ + /* loss of precision, we use the magnitude of the largest matrix */ + /* element to scale all other elements. The scaling factor is then */ + /* contained in the `units_per_em' value. */ + + max_scaling = FT_LONG_MIN; + min_scaling = FT_LONG_MAX; + + for ( i = 0; i < 6; i++ ) + { + values[i] = cff_parse_fixed_dynamic( parser, data++, &scalings[i] ); + if ( values[i] ) + { + if ( scalings[i] > max_scaling ) + max_scaling = scalings[i]; + if ( scalings[i] < min_scaling ) + min_scaling = scalings[i]; + } + } + + if ( max_scaling < -9 || + max_scaling > 0 || + ( max_scaling - min_scaling ) < 0 || + ( max_scaling - min_scaling ) > 9 ) + { + /* Return default matrix in case of unlikely values. */ + + FT_TRACE1(( "cff_parse_font_matrix:" + " strange scaling values (minimum %d, maximum %d),\n" + " " + " using default matrix\n", min_scaling, max_scaling )); + + matrix->xx = 0x10000L; + matrix->yx = 0; + matrix->xy = 0; + matrix->yy = 0x10000L; + offset->x = 0; + offset->y = 0; + *upm = 1; + + goto Exit; + } + + for ( i = 0; i < 6; i++ ) + { + FT_Fixed value = values[i]; + FT_Long divisor, half_divisor; + + + if ( !value ) + continue; + + divisor = power_tens[max_scaling - scalings[i]]; + half_divisor = divisor >> 1; + + if ( value < 0 ) + { + if ( FT_LONG_MIN + half_divisor < value ) + values[i] = ( value - half_divisor ) / divisor; + else + values[i] = FT_LONG_MIN / divisor; + } + else + { + if ( FT_LONG_MAX - half_divisor > value ) + values[i] = ( value + half_divisor ) / divisor; + else + values[i] = FT_LONG_MAX / divisor; + } + } + + matrix->xx = values[0]; + matrix->yx = values[1]; + matrix->xy = values[2]; + matrix->yy = values[3]; + offset->x = values[4]; + offset->y = values[5]; + + *upm = (FT_ULong)power_tens[-max_scaling]; + + FT_TRACE4(( " [%f %f %f %f %f %f]\n", + (double)matrix->xx / *upm / 65536, + (double)matrix->xy / *upm / 65536, + (double)matrix->yx / *upm / 65536, + (double)matrix->yy / *upm / 65536, + (double)offset->x / *upm / 65536, + (double)offset->y / *upm / 65536 )); + } + + Exit: + return error; + } + + + static FT_Error + cff_parse_font_bbox( CFF_Parser parser ) + { + CFF_FontRecDict dict = (CFF_FontRecDict)parser->object; + FT_BBox* bbox = &dict->font_bbox; + FT_Byte** data = parser->stack; + FT_Error error; + + + error = FT_ERR( Stack_Underflow ); + + if ( parser->top >= parser->stack + 4 ) + { + bbox->xMin = FT_RoundFix( cff_parse_fixed( parser, data++ ) ); + bbox->yMin = FT_RoundFix( cff_parse_fixed( parser, data++ ) ); + bbox->xMax = FT_RoundFix( cff_parse_fixed( parser, data++ ) ); + bbox->yMax = FT_RoundFix( cff_parse_fixed( parser, data ) ); + error = FT_Err_Ok; + + FT_TRACE4(( " [%d %d %d %d]\n", + bbox->xMin / 65536, + bbox->yMin / 65536, + bbox->xMax / 65536, + bbox->yMax / 65536 )); + } + + return error; + } + + + static FT_Error + cff_parse_private_dict( CFF_Parser parser ) + { + CFF_FontRecDict dict = (CFF_FontRecDict)parser->object; + FT_Byte** data = parser->stack; + FT_Error error; + + + error = FT_ERR( Stack_Underflow ); + + if ( parser->top >= parser->stack + 2 ) + { + FT_Long tmp; + + + tmp = cff_parse_num( parser, data++ ); + if ( tmp < 0 ) + { + FT_ERROR(( "cff_parse_private_dict: Invalid dictionary size\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + dict->private_size = (FT_ULong)tmp; + + tmp = cff_parse_num( parser, data ); + if ( tmp < 0 ) + { + FT_ERROR(( "cff_parse_private_dict: Invalid dictionary offset\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + dict->private_offset = (FT_ULong)tmp; + + FT_TRACE4(( " %lu %lu\n", + dict->private_size, dict->private_offset )); + + error = FT_Err_Ok; + } + + Fail: + return error; + } + + + /* The `MultipleMaster' operator comes before any */ + /* top DICT operators that contain T2 charstrings. */ + + static FT_Error + cff_parse_multiple_master( CFF_Parser parser ) + { + CFF_FontRecDict dict = (CFF_FontRecDict)parser->object; + FT_Error error; + + +#ifdef FT_DEBUG_LEVEL_TRACE + /* beautify tracing message */ + if ( ft_trace_levels[FT_COMPONENT] < 4 ) + FT_TRACE1(( "Multiple Master CFFs not supported yet," + " handling first master design only\n" )); + else + FT_TRACE1(( " (not supported yet," + " handling first master design only)\n" )); +#endif + + error = FT_ERR( Stack_Underflow ); + + /* currently, we handle only the first argument */ + if ( parser->top >= parser->stack + 5 ) + { + FT_Long num_designs = cff_parse_num( parser, parser->stack ); + + + if ( num_designs > 16 || num_designs < 2 ) + { + FT_ERROR(( "cff_parse_multiple_master:" + " Invalid number of designs\n" )); + error = FT_THROW( Invalid_File_Format ); + } + else + { + dict->num_designs = (FT_UShort)num_designs; + dict->num_axes = (FT_UShort)( parser->top - parser->stack - 4 ); + + parser->num_designs = dict->num_designs; + parser->num_axes = dict->num_axes; + + error = FT_Err_Ok; + } + } + + return error; + } + + + static FT_Error + cff_parse_cid_ros( CFF_Parser parser ) + { + CFF_FontRecDict dict = (CFF_FontRecDict)parser->object; + FT_Byte** data = parser->stack; + FT_Error error; + + + error = FT_ERR( Stack_Underflow ); + + if ( parser->top >= parser->stack + 3 ) + { + dict->cid_registry = (FT_UInt)cff_parse_num( parser, data++ ); + dict->cid_ordering = (FT_UInt)cff_parse_num( parser, data++ ); + if ( **data == 30 ) + FT_TRACE1(( "cff_parse_cid_ros: real supplement is rounded\n" )); + dict->cid_supplement = cff_parse_num( parser, data ); + if ( dict->cid_supplement < 0 ) + FT_TRACE1(( "cff_parse_cid_ros: negative supplement %d is found\n", + dict->cid_supplement )); + error = FT_Err_Ok; + + FT_TRACE4(( " %d %d %d\n", + dict->cid_registry, + dict->cid_ordering, + dict->cid_supplement )); + } + + return error; + } + + + static FT_Error + cff_parse_vsindex( CFF_Parser parser ) + { + /* vsindex operator can only be used in a Private DICT */ + CFF_Private priv = (CFF_Private)parser->object; + FT_Byte** data = parser->stack; + CFF_Blend blend; + FT_Error error; + + + if ( !priv || !priv->subfont ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + blend = &priv->subfont->blend; + + if ( blend->usedBV ) + { + FT_ERROR(( " cff_parse_vsindex: vsindex not allowed after blend\n" )); + error = FT_THROW( Syntax_Error ); + goto Exit; + } + + priv->vsindex = (FT_UInt)cff_parse_num( parser, data++ ); + + FT_TRACE4(( " %d\n", priv->vsindex )); + + error = FT_Err_Ok; + + Exit: + return error; + } + + + static FT_Error + cff_parse_blend( CFF_Parser parser ) + { + /* blend operator can only be used in a Private DICT */ + CFF_Private priv = (CFF_Private)parser->object; + CFF_SubFont subFont; + CFF_Blend blend; + FT_UInt numBlends; + FT_Error error; + + + if ( !priv || !priv->subfont ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + subFont = priv->subfont; + blend = &subFont->blend; + + if ( cff_blend_check_vector( blend, + priv->vsindex, + subFont->lenNDV, + subFont->NDV ) ) + { + error = cff_blend_build_vector( blend, + priv->vsindex, + subFont->lenNDV, + subFont->NDV ); + if ( error ) + goto Exit; + } + + numBlends = (FT_UInt)cff_parse_num( parser, parser->top - 1 ); + if ( numBlends > parser->stackSize ) + { + FT_ERROR(( "cff_parse_blend: Invalid number of blends\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + FT_TRACE4(( " %d value%s blended\n", + numBlends, + numBlends == 1 ? "" : "s" )); + + error = cff_blend_doBlend( subFont, parser, numBlends ); + + blend->usedBV = TRUE; + + Exit: + return error; + } + + + /* maxstack operator increases parser and operand stacks for CFF2 */ + static FT_Error + cff_parse_maxstack( CFF_Parser parser ) + { + /* maxstack operator can only be used in a Top DICT */ + CFF_FontRecDict dict = (CFF_FontRecDict)parser->object; + FT_Byte** data = parser->stack; + FT_Error error = FT_Err_Ok; + + + if ( !dict ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + dict->maxstack = (FT_UInt)cff_parse_num( parser, data++ ); + if ( dict->maxstack > CFF2_MAX_STACK ) + dict->maxstack = CFF2_MAX_STACK; + if ( dict->maxstack < CFF2_DEFAULT_STACK ) + dict->maxstack = CFF2_DEFAULT_STACK; + + FT_TRACE4(( " %d\n", dict->maxstack )); + + Exit: + return error; + } + + +#define CFF_FIELD_NUM( code, name, id ) \ + CFF_FIELD( code, name, id, cff_kind_num ) +#define CFF_FIELD_FIXED( code, name, id ) \ + CFF_FIELD( code, name, id, cff_kind_fixed ) +#define CFF_FIELD_FIXED_1000( code, name, id ) \ + CFF_FIELD( code, name, id, cff_kind_fixed_thousand ) +#define CFF_FIELD_STRING( code, name, id ) \ + CFF_FIELD( code, name, id, cff_kind_string ) +#define CFF_FIELD_BOOL( code, name, id ) \ + CFF_FIELD( code, name, id, cff_kind_bool ) + + +#ifndef FT_CONFIG_OPTION_PIC + + +#undef CFF_FIELD +#undef CFF_FIELD_DELTA + + +#ifndef FT_DEBUG_LEVEL_TRACE + + +#define CFF_FIELD_CALLBACK( code, name, id ) \ + { \ + cff_kind_callback, \ + code | CFFCODE, \ + 0, 0, \ + cff_parse_ ## name, \ + 0, 0 \ + }, + +#define CFF_FIELD_BLEND( code, id ) \ + { \ + cff_kind_blend, \ + code | CFFCODE, \ + 0, 0, \ + cff_parse_blend, \ + 0, 0 \ + }, + +#define CFF_FIELD( code, name, id, kind ) \ + { \ + kind, \ + code | CFFCODE, \ + FT_FIELD_OFFSET( name ), \ + FT_FIELD_SIZE( name ), \ + 0, 0, 0 \ + }, + +#define CFF_FIELD_DELTA( code, name, max, id ) \ + { \ + cff_kind_delta, \ + code | CFFCODE, \ + FT_FIELD_OFFSET( name ), \ + FT_FIELD_SIZE_DELTA( name ), \ + 0, \ + max, \ + FT_FIELD_OFFSET( num_ ## name ) \ + }, + + static const CFF_Field_Handler cff_field_handlers[] = + { + +#include "cfftoken.h" + + { 0, 0, 0, 0, 0, 0, 0 } + }; + + +#else /* FT_DEBUG_LEVEL_TRACE */ + + + +#define CFF_FIELD_CALLBACK( code, name, id ) \ + { \ + cff_kind_callback, \ + code | CFFCODE, \ + 0, 0, \ + cff_parse_ ## name, \ + 0, 0, \ + id \ + }, + +#define CFF_FIELD_BLEND( code, id ) \ + { \ + cff_kind_blend, \ + code | CFFCODE, \ + 0, 0, \ + cff_parse_blend, \ + 0, 0, \ + id \ + }, + +#define CFF_FIELD( code, name, id, kind ) \ + { \ + kind, \ + code | CFFCODE, \ + FT_FIELD_OFFSET( name ), \ + FT_FIELD_SIZE( name ), \ + 0, 0, 0, \ + id \ + }, + +#define CFF_FIELD_DELTA( code, name, max, id ) \ + { \ + cff_kind_delta, \ + code | CFFCODE, \ + FT_FIELD_OFFSET( name ), \ + FT_FIELD_SIZE_DELTA( name ), \ + 0, \ + max, \ + FT_FIELD_OFFSET( num_ ## name ), \ + id \ + }, + + static const CFF_Field_Handler cff_field_handlers[] = + { + +#include "cfftoken.h" + + { 0, 0, 0, 0, 0, 0, 0, 0 } + }; + + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + +#else /* FT_CONFIG_OPTION_PIC */ + + + void + FT_Destroy_Class_cff_field_handlers( FT_Library library, + CFF_Field_Handler* clazz ) + { + FT_Memory memory = library->memory; + + + if ( clazz ) + FT_FREE( clazz ); + } + + + FT_Error + FT_Create_Class_cff_field_handlers( FT_Library library, + CFF_Field_Handler** output_class ) + { + CFF_Field_Handler* clazz = NULL; + FT_Error error; + FT_Memory memory = library->memory; + + int i = 0; + + +#undef CFF_FIELD +#define CFF_FIELD( code, name, id, kind ) i++; +#undef CFF_FIELD_DELTA +#define CFF_FIELD_DELTA( code, name, max, id ) i++; +#undef CFF_FIELD_CALLBACK +#define CFF_FIELD_CALLBACK( code, name, id ) i++; +#undef CFF_FIELD_BLEND +#define CFF_FIELD_BLEND( code, id ) i++; + +#include "cfftoken.h" + + i++; /* { 0, 0, 0, 0, 0, 0, 0 } */ + + if ( FT_ALLOC( clazz, sizeof ( CFF_Field_Handler ) * i ) ) + return error; + + i = 0; + + +#ifndef FT_DEBUG_LEVEL_TRACE + + +#undef CFF_FIELD_CALLBACK +#define CFF_FIELD_CALLBACK( code_, name_, id_ ) \ + clazz[i].kind = cff_kind_callback; \ + clazz[i].code = code_ | CFFCODE; \ + clazz[i].offset = 0; \ + clazz[i].size = 0; \ + clazz[i].reader = cff_parse_ ## name_; \ + clazz[i].array_max = 0; \ + clazz[i].count_offset = 0; \ + i++; + +#undef CFF_FIELD +#define CFF_FIELD( code_, name_, id_, kind_ ) \ + clazz[i].kind = kind_; \ + clazz[i].code = code_ | CFFCODE; \ + clazz[i].offset = FT_FIELD_OFFSET( name_ ); \ + clazz[i].size = FT_FIELD_SIZE( name_ ); \ + clazz[i].reader = 0; \ + clazz[i].array_max = 0; \ + clazz[i].count_offset = 0; \ + i++; \ + +#undef CFF_FIELD_DELTA +#define CFF_FIELD_DELTA( code_, name_, max_, id_ ) \ + clazz[i].kind = cff_kind_delta; \ + clazz[i].code = code_ | CFFCODE; \ + clazz[i].offset = FT_FIELD_OFFSET( name_ ); \ + clazz[i].size = FT_FIELD_SIZE_DELTA( name_ ); \ + clazz[i].reader = 0; \ + clazz[i].array_max = max_; \ + clazz[i].count_offset = FT_FIELD_OFFSET( num_ ## name_ ); \ + i++; + +#undef CFF_FIELD_BLEND +#define CFF_FIELD_BLEND( code_, id_ ) \ + clazz[i].kind = cff_kind_blend; \ + clazz[i].code = code_ | CFFCODE; \ + clazz[i].offset = 0; \ + clazz[i].size = 0; \ + clazz[i].reader = cff_parse_blend; \ + clazz[i].array_max = 0; \ + clazz[i].count_offset = 0; \ + i++; + +#include "cfftoken.h" + + clazz[i].kind = 0; + clazz[i].code = 0; + clazz[i].offset = 0; + clazz[i].size = 0; + clazz[i].reader = 0; + clazz[i].array_max = 0; + clazz[i].count_offset = 0; + + +#else /* FT_DEBUG_LEVEL_TRACE */ + + +#undef CFF_FIELD_CALLBACK +#define CFF_FIELD_CALLBACK( code_, name_, id_ ) \ + clazz[i].kind = cff_kind_callback; \ + clazz[i].code = code_ | CFFCODE; \ + clazz[i].offset = 0; \ + clazz[i].size = 0; \ + clazz[i].reader = cff_parse_ ## name_; \ + clazz[i].array_max = 0; \ + clazz[i].count_offset = 0; \ + clazz[i].id = id_; \ + i++; + +#undef CFF_FIELD +#define CFF_FIELD( code_, name_, id_, kind_ ) \ + clazz[i].kind = kind_; \ + clazz[i].code = code_ | CFFCODE; \ + clazz[i].offset = FT_FIELD_OFFSET( name_ ); \ + clazz[i].size = FT_FIELD_SIZE( name_ ); \ + clazz[i].reader = 0; \ + clazz[i].array_max = 0; \ + clazz[i].count_offset = 0; \ + clazz[i].id = id_; \ + i++; \ + +#undef CFF_FIELD_DELTA +#define CFF_FIELD_DELTA( code_, name_, max_, id_ ) \ + clazz[i].kind = cff_kind_delta; \ + clazz[i].code = code_ | CFFCODE; \ + clazz[i].offset = FT_FIELD_OFFSET( name_ ); \ + clazz[i].size = FT_FIELD_SIZE_DELTA( name_ ); \ + clazz[i].reader = 0; \ + clazz[i].array_max = max_; \ + clazz[i].count_offset = FT_FIELD_OFFSET( num_ ## name_ ); \ + clazz[i].id = id_; \ + i++; + +#undef CFF_FIELD_BLEND +#define CFF_FIELD_BLEND( code_, id_ ) \ + clazz[i].kind = cff_kind_blend; \ + clazz[i].code = code_ | CFFCODE; \ + clazz[i].offset = 0; \ + clazz[i].size = 0; \ + clazz[i].reader = cff_parse_blend; \ + clazz[i].array_max = 0; \ + clazz[i].count_offset = 0; \ + clazz[i].id = id_; \ + i++; + +#include "cfftoken.h" + + clazz[i].kind = 0; + clazz[i].code = 0; + clazz[i].offset = 0; + clazz[i].size = 0; + clazz[i].reader = 0; + clazz[i].array_max = 0; + clazz[i].count_offset = 0; + clazz[i].id = 0; + + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + + *output_class = clazz; + + return FT_Err_Ok; + } + + +#endif /* FT_CONFIG_OPTION_PIC */ + + + FT_LOCAL_DEF( FT_Error ) + cff_parser_run( CFF_Parser parser, + FT_Byte* start, + FT_Byte* limit ) + { +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + PSAux_Service psaux; +#endif + + FT_Byte* p = start; + FT_Error error = FT_Err_Ok; + FT_Library library = parser->library; + + FT_UNUSED( library ); + + + parser->top = parser->stack; + parser->start = start; + parser->limit = limit; + parser->cursor = start; + + while ( p < limit ) + { + FT_UInt v = *p; + + /* Opcode 31 is legacy MM T2 operator, not a number. */ + /* Opcode 255 is reserved and should not appear in fonts; */ + /* it is used internally for CFF2 blends. */ + if ( v >= 27 && v != 31 && v != 255 ) + { + /* it's a number; we will push its position on the stack */ + if ( (FT_UInt)( parser->top - parser->stack ) >= parser->stackSize ) + goto Stack_Overflow; + + *parser->top++ = p; + + /* now, skip it */ + if ( v == 30 ) + { + /* skip real number */ + p++; + for (;;) + { + /* An unterminated floating point number at the */ + /* end of a dictionary is invalid but harmless. */ + if ( p >= limit ) + goto Exit; + v = p[0] >> 4; + if ( v == 15 ) + break; + v = p[0] & 0xF; + if ( v == 15 ) + break; + p++; + } + } + else if ( v == 28 ) + p += 2; + else if ( v == 29 ) + p += 4; + else if ( v > 246 ) + p += 1; + } +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + else if ( v == 31 ) + { + /* a Type 2 charstring */ + + CFF_Decoder decoder; + CFF_FontRec cff_rec; + FT_Byte* charstring_base; + FT_ULong charstring_len; + + FT_Fixed* stack; + FT_Byte* q; + + + charstring_base = ++p; + + /* search `endchar' operator */ + for (;;) + { + if ( p >= limit ) + goto Exit; + if ( *p == 14 ) + break; + p++; + } + + charstring_len = (FT_ULong)( p - charstring_base ) + 1; + + /* construct CFF_Decoder object */ + FT_ZERO( &decoder ); + FT_ZERO( &cff_rec ); + + cff_rec.top_font.font_dict.num_designs = parser->num_designs; + cff_rec.top_font.font_dict.num_axes = parser->num_axes; + decoder.cff = &cff_rec; + + psaux = (PSAux_Service)FT_Get_Module_Interface( library, "psaux" ); + if ( !psaux ) + { + FT_ERROR(( "cff_parser_run: cannot access `psaux' module\n" )); + error = FT_THROW( Missing_Module ); + goto Exit; + } + + error = psaux->cff_decoder_funcs->parse_charstrings_old( + &decoder, charstring_base, charstring_len, 1 ); + + /* Now copy the stack data in the temporary decoder object, */ + /* converting it back to charstring number representations */ + /* (this is ugly, I know). */ + /* */ + /* We overwrite the original top DICT charstring under the */ + /* assumption that the charstring representation of the result */ + /* of `cff_decoder_parse_charstrings' is shorter, which should */ + /* be always true. */ + + q = charstring_base - 1; + stack = decoder.stack; + + while ( stack < decoder.top ) + { + FT_ULong num; + FT_Bool neg; + + + if ( (FT_UInt)( parser->top - parser->stack ) >= parser->stackSize ) + goto Stack_Overflow; + + *parser->top++ = q; + + if ( *stack < 0 ) + { + num = (FT_ULong)-*stack; + neg = 1; + } + else + { + num = (FT_ULong)*stack; + neg = 0; + } + + if ( num & 0xFFFFU ) + { + if ( neg ) + num = (FT_ULong)-num; + + *q++ = 255; + *q++ = ( num & 0xFF000000U ) >> 24; + *q++ = ( num & 0x00FF0000U ) >> 16; + *q++ = ( num & 0x0000FF00U ) >> 8; + *q++ = num & 0x000000FFU; + } + else + { + num >>= 16; + + if ( neg ) + { + if ( num <= 107 ) + *q++ = (FT_Byte)( 139 - num ); + else if ( num <= 1131 ) + { + *q++ = (FT_Byte)( ( ( num - 108 ) >> 8 ) + 251 ); + *q++ = (FT_Byte)( ( num - 108 ) & 0xFF ); + } + else + { + num = (FT_ULong)-num; + + *q++ = 28; + *q++ = (FT_Byte)( num >> 8 ); + *q++ = (FT_Byte)( num & 0xFF ); + } + } + else + { + if ( num <= 107 ) + *q++ = (FT_Byte)( num + 139 ); + else if ( num <= 1131 ) + { + *q++ = (FT_Byte)( ( ( num - 108 ) >> 8 ) + 247 ); + *q++ = (FT_Byte)( ( num - 108 ) & 0xFF ); + } + else + { + *q++ = 28; + *q++ = (FT_Byte)( num >> 8 ); + *q++ = (FT_Byte)( num & 0xFF ); + } + } + } + + stack++; + } + } +#endif /* CFF_CONFIG_OPTION_OLD_ENGINE */ + else + { + /* This is not a number, hence it's an operator. Compute its code */ + /* and look for it in our current list. */ + + FT_UInt code; + FT_UInt num_args; + const CFF_Field_Handler* field; + + + if ( (FT_UInt)( parser->top - parser->stack ) >= parser->stackSize ) + goto Stack_Overflow; + + num_args = (FT_UInt)( parser->top - parser->stack ); + *parser->top = p; + code = v; + + if ( v == 12 ) + { + /* two byte operator */ + p++; + if ( p >= limit ) + goto Syntax_Error; + + code = 0x100 | p[0]; + } + code = code | parser->object_code; + + for ( field = CFF_FIELD_HANDLERS_GET; field->kind; field++ ) + { + if ( field->code == (FT_Int)code ) + { + /* we found our field's handler; read it */ + FT_Long val; + FT_Byte* q = (FT_Byte*)parser->object + field->offset; + + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE4(( " %s", field->id )); +#endif + + /* check that we have enough arguments -- except for */ + /* delta encoded arrays, which can be empty */ + if ( field->kind != cff_kind_delta && num_args < 1 ) + goto Stack_Underflow; + + switch ( field->kind ) + { + case cff_kind_bool: + case cff_kind_string: + case cff_kind_num: + val = cff_parse_num( parser, parser->stack ); + goto Store_Number; + + case cff_kind_fixed: + val = cff_parse_fixed( parser, parser->stack ); + goto Store_Number; + + case cff_kind_fixed_thousand: + val = cff_parse_fixed_scaled( parser, parser->stack, 3 ); + + Store_Number: + switch ( field->size ) + { + case (8 / FT_CHAR_BIT): + *(FT_Byte*)q = (FT_Byte)val; + break; + + case (16 / FT_CHAR_BIT): + *(FT_Short*)q = (FT_Short)val; + break; + + case (32 / FT_CHAR_BIT): + *(FT_Int32*)q = (FT_Int)val; + break; + + default: /* for 64-bit systems */ + *(FT_Long*)q = val; + } + +#ifdef FT_DEBUG_LEVEL_TRACE + switch ( field->kind ) + { + case cff_kind_bool: + FT_TRACE4(( " %s\n", val ? "true" : "false" )); + break; + + case cff_kind_string: + FT_TRACE4(( " %ld (SID)\n", val )); + break; + + case cff_kind_num: + FT_TRACE4(( " %ld\n", val )); + break; + + case cff_kind_fixed: + FT_TRACE4(( " %f\n", (double)val / 65536 )); + break; + + case cff_kind_fixed_thousand: + FT_TRACE4(( " %f\n", (double)val / 65536 / 1000 )); + + default: + ; /* never reached */ + } +#endif + + break; + + case cff_kind_delta: + { + FT_Byte* qcount = (FT_Byte*)parser->object + + field->count_offset; + + FT_Byte** data = parser->stack; + + + if ( num_args > field->array_max ) + num_args = field->array_max; + + FT_TRACE4(( " [" )); + + /* store count */ + *qcount = (FT_Byte)num_args; + + val = 0; + while ( num_args > 0 ) + { + val = ADD_LONG( val, cff_parse_num( parser, data++ ) ); + switch ( field->size ) + { + case (8 / FT_CHAR_BIT): + *(FT_Byte*)q = (FT_Byte)val; + break; + + case (16 / FT_CHAR_BIT): + *(FT_Short*)q = (FT_Short)val; + break; + + case (32 / FT_CHAR_BIT): + *(FT_Int32*)q = (FT_Int)val; + break; + + default: /* for 64-bit systems */ + *(FT_Long*)q = val; + } + + FT_TRACE4(( " %ld", val )); + + q += field->size; + num_args--; + } + + FT_TRACE4(( "]\n" )); + } + break; + + default: /* callback or blend */ + error = field->reader( parser ); + if ( error ) + goto Exit; + } + goto Found; + } + } + + /* this is an unknown operator, or it is unsupported; */ + /* we will ignore it for now. */ + + Found: + /* clear stack */ + /* TODO: could clear blend stack here, */ + /* but we don't have access to subFont */ + if ( field->kind != cff_kind_blend ) + parser->top = parser->stack; + } + p++; + } + + Exit: + return error; + + Stack_Overflow: + error = FT_THROW( Invalid_Argument ); + goto Exit; + + Stack_Underflow: + error = FT_THROW( Invalid_Argument ); + goto Exit; + + Syntax_Error: + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffparse.h b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffparse.h new file mode 100644 index 00000000000..8a8caeca446 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffparse.h @@ -0,0 +1,136 @@ +/***************************************************************************/ +/* */ +/* cffparse.h */ +/* */ +/* CFF token stream parser (specification) */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFPARSE_H_ +#define CFFPARSE_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_CFF_TYPES_H +#include FT_INTERNAL_OBJECTS_H + + +FT_BEGIN_HEADER + + + /* CFF uses constant parser stack size; */ + /* CFF2 can increase from default 193 */ +#define CFF_MAX_STACK_DEPTH 96 + + /* + * There are plans to remove the `maxstack' operator in a forthcoming + * revision of the CFF2 specification, increasing the (then static) stack + * size to 513. By making the default stack size equal to the maximum + * stack size, the operator is essentially disabled, which has the + * desired effect in FreeType. + */ +#define CFF2_MAX_STACK 513 +#define CFF2_DEFAULT_STACK 513 + +#define CFF_CODE_TOPDICT 0x1000 +#define CFF_CODE_PRIVATE 0x2000 +#define CFF2_CODE_TOPDICT 0x3000 +#define CFF2_CODE_FONTDICT 0x4000 +#define CFF2_CODE_PRIVATE 0x5000 + + + typedef struct CFF_ParserRec_ + { + FT_Library library; + FT_Byte* start; + FT_Byte* limit; + FT_Byte* cursor; + + FT_Byte** stack; + FT_Byte** top; + FT_UInt stackSize; /* allocated size */ + + FT_UInt object_code; + void* object; + + FT_UShort num_designs; /* a copy of `CFF_FontRecDict->num_designs' */ + FT_UShort num_axes; /* a copy of `CFF_FontRecDict->num_axes' */ + + } CFF_ParserRec, *CFF_Parser; + + + FT_LOCAL( FT_Long ) + cff_parse_num( CFF_Parser parser, + FT_Byte** d ); + + FT_LOCAL( FT_Error ) + cff_parser_init( CFF_Parser parser, + FT_UInt code, + void* object, + FT_Library library, + FT_UInt stackSize, + FT_UShort num_designs, + FT_UShort num_axes ); + + FT_LOCAL( void ) + cff_parser_done( CFF_Parser parser ); + + FT_LOCAL( FT_Error ) + cff_parser_run( CFF_Parser parser, + FT_Byte* start, + FT_Byte* limit ); + + + enum + { + cff_kind_none = 0, + cff_kind_num, + cff_kind_fixed, + cff_kind_fixed_thousand, + cff_kind_string, + cff_kind_bool, + cff_kind_delta, + cff_kind_callback, + cff_kind_blend, + + cff_kind_max /* do not remove */ + }; + + + /* now generate handlers for the most simple fields */ + typedef FT_Error (*CFF_Field_Reader)( CFF_Parser parser ); + + typedef struct CFF_Field_Handler_ + { + int kind; + int code; + FT_UInt offset; + FT_Byte size; + CFF_Field_Reader reader; + FT_UInt array_max; + FT_UInt count_offset; + +#ifdef FT_DEBUG_LEVEL_TRACE + const char* id; +#endif + + } CFF_Field_Handler; + + +FT_END_HEADER + + +#endif /* CFFPARSE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffpic.c b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffpic.c new file mode 100644 index 00000000000..08b74c7cf20 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffpic.c @@ -0,0 +1,138 @@ +/***************************************************************************/ +/* */ +/* cffpic.c */ +/* */ +/* The FreeType position independent code services for cff module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "cffcmap.h" +#include "cffpic.h" +#include "cfferrs.h" + + +#ifdef FT_CONFIG_OPTION_PIC + + /* forward declaration of PIC init functions from cffdrivr.c */ + FT_Error + FT_Create_Class_cff_services( FT_Library library, + FT_ServiceDescRec** output_class ); + void + FT_Destroy_Class_cff_services( FT_Library library, + FT_ServiceDescRec* clazz ); + void + FT_Init_Class_cff_service_ps_info( FT_Library library, + FT_Service_PsInfoRec* clazz ); + void + FT_Init_Class_cff_service_glyph_dict( FT_Library library, + FT_Service_GlyphDictRec* clazz ); + void + FT_Init_Class_cff_service_ps_name( FT_Library library, + FT_Service_PsFontNameRec* clazz ); + void + FT_Init_Class_cff_service_get_cmap_info( FT_Library library, + FT_Service_TTCMapsRec* clazz ); + void + FT_Init_Class_cff_service_cid_info( FT_Library library, + FT_Service_CIDRec* clazz ); + + /* forward declaration of PIC init functions from cffparse.c */ + FT_Error + FT_Create_Class_cff_field_handlers( FT_Library library, + CFF_Field_Handler** output_class ); + void + FT_Destroy_Class_cff_field_handlers( FT_Library library, + CFF_Field_Handler* clazz ); + + + void + cff_driver_class_pic_free( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Memory memory = library->memory; + + + if ( pic_container->cff ) + { + CffModulePIC* container = (CffModulePIC*)pic_container->cff; + + + if ( container->cff_services ) + FT_Destroy_Class_cff_services( library, + container->cff_services ); + container->cff_services = NULL; + if ( container->cff_field_handlers ) + FT_Destroy_Class_cff_field_handlers( + library, container->cff_field_handlers ); + container->cff_field_handlers = NULL; + FT_FREE( container ); + pic_container->cff = NULL; + } + } + + + FT_Error + cff_driver_class_pic_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Error error = FT_Err_Ok; + CffModulePIC* container = NULL; + FT_Memory memory = library->memory; + + + /* allocate pointer, clear and set global container pointer */ + if ( FT_ALLOC ( container, sizeof ( *container ) ) ) + return error; + FT_MEM_SET( container, 0, sizeof ( *container ) ); + pic_container->cff = container; + + /* initialize pointer table - */ + /* this is how the module usually expects this data */ + error = FT_Create_Class_cff_services( library, + &container->cff_services ); + if ( error ) + goto Exit; + + error = FT_Create_Class_cff_field_handlers( + library, &container->cff_field_handlers ); + if ( error ) + goto Exit; + + FT_Init_Class_cff_service_ps_info( + library, &container->cff_service_ps_info ); + FT_Init_Class_cff_service_glyph_dict( + library, &container->cff_service_glyph_dict ); + FT_Init_Class_cff_service_ps_name( + library, &container->cff_service_ps_name ); + FT_Init_Class_cff_service_get_cmap_info( + library, &container->cff_service_get_cmap_info ); + FT_Init_Class_cff_service_cid_info( + library, &container->cff_service_cid_info ); + FT_Init_Class_cff_cmap_encoding_class_rec( + library, &container->cff_cmap_encoding_class_rec ); + FT_Init_Class_cff_cmap_unicode_class_rec( + library, &container->cff_cmap_unicode_class_rec ); + + Exit: + if ( error ) + cff_driver_class_pic_free( library ); + return error; + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffpic.h b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffpic.h new file mode 100644 index 00000000000..8ba4203a8de --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cffpic.h @@ -0,0 +1,121 @@ +/***************************************************************************/ +/* */ +/* cffpic.h */ +/* */ +/* The FreeType position independent code services for cff module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFPIC_H_ +#define CFFPIC_H_ + + +#include FT_INTERNAL_PIC_H + +#ifndef FT_CONFIG_OPTION_PIC + +#define CFF_SERVICE_PS_INFO_GET cff_service_ps_info +#define CFF_SERVICE_GLYPH_DICT_GET cff_service_glyph_dict +#define CFF_SERVICE_PS_NAME_GET cff_service_ps_name +#define CFF_SERVICE_GET_CMAP_INFO_GET cff_service_get_cmap_info +#define CFF_SERVICE_CID_INFO_GET cff_service_cid_info +#define CFF_SERVICE_PROPERTIES_GET cff_service_properties +#define CFF_SERVICES_GET cff_services +#define CFF_SERVICE_MULTI_MASTERS_GET cff_service_multi_masters +#define CFF_SERVICE_METRICS_VAR_GET cff_service_metrics_variations +#define CFF_SERVICE_CFF_LOAD_GET cff_service_cff_load +#define CFF_CMAP_ENCODING_CLASS_REC_GET cff_cmap_encoding_class_rec +#define CFF_CMAP_UNICODE_CLASS_REC_GET cff_cmap_unicode_class_rec +#define CFF_FIELD_HANDLERS_GET cff_field_handlers + +#else /* FT_CONFIG_OPTION_PIC */ + +#include FT_SERVICE_GLYPH_DICT_H +#include "cffparse.h" +#include FT_SERVICE_POSTSCRIPT_INFO_H +#include FT_SERVICE_POSTSCRIPT_NAME_H +#include FT_SERVICE_TT_CMAP_H +#include FT_SERVICE_CID_H +#include FT_SERVICE_PROPERTIES_H +#include FT_SERVICE_MULTIPLE_MASTERS_H +#include FT_SERVICE_METRICS_VARIATIONS_H + + +FT_BEGIN_HEADER + + typedef struct CffModulePIC_ + { + FT_ServiceDescRec* cff_services; + CFF_Field_Handler* cff_field_handlers; + FT_Service_PsInfoRec cff_service_ps_info; + FT_Service_GlyphDictRec cff_service_glyph_dict; + FT_Service_PsFontNameRec cff_service_ps_name; + FT_Service_TTCMapsRec cff_service_get_cmap_info; + FT_Service_CIDRec cff_service_cid_info; + FT_Service_PropertiesRec cff_service_properties; + FT_Service_MultiMastersRec cff_service_multi_masters; + FT_Service_MetricsVariationsRec cff_service_metrics_variations; + FT_Service_CFFLoadRec cff_service_cff_load; + FT_CMap_ClassRec cff_cmap_encoding_class_rec; + FT_CMap_ClassRec cff_cmap_unicode_class_rec; + + } CffModulePIC; + + +#define GET_PIC( lib ) \ + ( (CffModulePIC*)( (lib)->pic_container.cff ) ) + +#define CFF_SERVICE_PS_INFO_GET \ + ( GET_PIC( library )->cff_service_ps_info ) +#define CFF_SERVICE_GLYPH_DICT_GET \ + ( GET_PIC( library )->cff_service_glyph_dict ) +#define CFF_SERVICE_PS_NAME_GET \ + ( GET_PIC( library )->cff_service_ps_name ) +#define CFF_SERVICE_GET_CMAP_INFO_GET \ + ( GET_PIC( library )->cff_service_get_cmap_info ) +#define CFF_SERVICE_CID_INFO_GET \ + ( GET_PIC( library )->cff_service_cid_info ) +#define CFF_SERVICE_PROPERTIES_GET \ + ( GET_PIC( library )->cff_service_properties ) +#define CFF_SERVICES_GET \ + ( GET_PIC( library )->cff_services ) +#define CFF_SERVICE_MULTI_MASTERS_GET \ + ( GET_PIC( library )->cff_service_multi_masters ) +#define CFF_SERVICE_METRICS_VAR_GET \ + ( GET_PIC( library )->cff_service_metrics_variations ) +#define CFF_SERVICE_CFF_LOAD_GET \ + ( GET_PIC( library )->cff_service_cff_load ) +#define CFF_CMAP_ENCODING_CLASS_REC_GET \ + ( GET_PIC( library )->cff_cmap_encoding_class_rec ) +#define CFF_CMAP_UNICODE_CLASS_REC_GET \ + ( GET_PIC( library )->cff_cmap_unicode_class_rec ) +#define CFF_FIELD_HANDLERS_GET \ + ( GET_PIC( library )->cff_field_handlers ) + + /* see cffpic.c for the implementation */ + void + cff_driver_class_pic_free( FT_Library library ); + + FT_Error + cff_driver_class_pic_init( FT_Library library ); + +FT_END_HEADER + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +#endif /* CFFPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cff/cfftoken.h b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cfftoken.h new file mode 100644 index 00000000000..fec1ca20bde --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cff/cfftoken.h @@ -0,0 +1,150 @@ +/***************************************************************************/ +/* */ +/* cfftoken.h */ +/* */ +/* CFF token definitions (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#undef FT_STRUCTURE +#define FT_STRUCTURE CFF_FontRecDictRec + +#undef CFFCODE +#define CFFCODE CFF_CODE_TOPDICT + + CFF_FIELD_STRING ( 0, version, "Version" ) + CFF_FIELD_STRING ( 1, notice, "Notice" ) + CFF_FIELD_STRING ( 0x100, copyright, "Copyright" ) + CFF_FIELD_STRING ( 2, full_name, "FullName" ) + CFF_FIELD_STRING ( 3, family_name, "FamilyName" ) + CFF_FIELD_STRING ( 4, weight, "Weight" ) + CFF_FIELD_BOOL ( 0x101, is_fixed_pitch, "isFixedPitch" ) + CFF_FIELD_FIXED ( 0x102, italic_angle, "ItalicAngle" ) + CFF_FIELD_FIXED ( 0x103, underline_position, "UnderlinePosition" ) + CFF_FIELD_FIXED ( 0x104, underline_thickness, "UnderlineThickness" ) + CFF_FIELD_NUM ( 0x105, paint_type, "PaintType" ) + CFF_FIELD_NUM ( 0x106, charstring_type, "CharstringType" ) + CFF_FIELD_CALLBACK( 0x107, font_matrix, "FontMatrix" ) + CFF_FIELD_NUM ( 13, unique_id, "UniqueID" ) + CFF_FIELD_CALLBACK( 5, font_bbox, "FontBBox" ) + CFF_FIELD_NUM ( 0x108, stroke_width, "StrokeWidth" ) +#if 0 + CFF_FIELD_DELTA ( 14, xuid, 16, "XUID" ) +#endif + CFF_FIELD_NUM ( 15, charset_offset, "charset" ) + CFF_FIELD_NUM ( 16, encoding_offset, "Encoding" ) + CFF_FIELD_NUM ( 17, charstrings_offset, "CharStrings" ) + CFF_FIELD_CALLBACK( 18, private_dict, "Private" ) + CFF_FIELD_NUM ( 0x114, synthetic_base, "SyntheticBase" ) + CFF_FIELD_STRING ( 0x115, embedded_postscript, "PostScript" ) + +#if 0 + CFF_FIELD_STRING ( 0x116, base_font_name, "BaseFontName" ) + CFF_FIELD_DELTA ( 0x117, base_font_blend, 16, "BaseFontBlend" ) +#endif + + /* the next two operators were removed from the Type2 specification */ + /* in version 16-March-2000 */ + CFF_FIELD_CALLBACK( 0x118, multiple_master, "MultipleMaster" ) +#if 0 + CFF_FIELD_CALLBACK( 0x11A, blend_axis_types, "BlendAxisTypes" ) +#endif + + CFF_FIELD_CALLBACK( 0x11E, cid_ros, "ROS" ) + CFF_FIELD_NUM ( 0x11F, cid_font_version, "CIDFontVersion" ) + CFF_FIELD_NUM ( 0x120, cid_font_revision, "CIDFontRevision" ) + CFF_FIELD_NUM ( 0x121, cid_font_type, "CIDFontType" ) + CFF_FIELD_NUM ( 0x122, cid_count, "CIDCount" ) + CFF_FIELD_NUM ( 0x123, cid_uid_base, "UIDBase" ) + CFF_FIELD_NUM ( 0x124, cid_fd_array_offset, "FDArray" ) + CFF_FIELD_NUM ( 0x125, cid_fd_select_offset, "FDSelect" ) + CFF_FIELD_STRING ( 0x126, cid_font_name, "FontName" ) + +#if 0 + CFF_FIELD_NUM ( 0x127, chameleon, "Chameleon" ) +#endif + + +#undef FT_STRUCTURE +#define FT_STRUCTURE CFF_PrivateRec +#undef CFFCODE +#define CFFCODE CFF_CODE_PRIVATE + + CFF_FIELD_DELTA ( 6, blue_values, 14, "BlueValues" ) + CFF_FIELD_DELTA ( 7, other_blues, 10, "OtherBlues" ) + CFF_FIELD_DELTA ( 8, family_blues, 14, "FamilyBlues" ) + CFF_FIELD_DELTA ( 9, family_other_blues, 10, "FamilyOtherBlues" ) + CFF_FIELD_FIXED_1000( 0x109, blue_scale, "BlueScale" ) + CFF_FIELD_NUM ( 0x10A, blue_shift, "BlueShift" ) + CFF_FIELD_NUM ( 0x10B, blue_fuzz, "BlueFuzz" ) + CFF_FIELD_NUM ( 10, standard_width, "StdHW" ) + CFF_FIELD_NUM ( 11, standard_height, "StdVW" ) + CFF_FIELD_DELTA ( 0x10C, snap_widths, 13, "StemSnapH" ) + CFF_FIELD_DELTA ( 0x10D, snap_heights, 13, "StemSnapV" ) + CFF_FIELD_BOOL ( 0x10E, force_bold, "ForceBold" ) + CFF_FIELD_FIXED ( 0x10F, force_bold_threshold, "ForceBoldThreshold" ) + CFF_FIELD_NUM ( 0x110, lenIV, "lenIV" ) + CFF_FIELD_NUM ( 0x111, language_group, "LanguageGroup" ) + CFF_FIELD_FIXED ( 0x112, expansion_factor, "ExpansionFactor" ) + CFF_FIELD_NUM ( 0x113, initial_random_seed, "initialRandomSeed" ) + CFF_FIELD_NUM ( 19, local_subrs_offset, "Subrs" ) + CFF_FIELD_NUM ( 20, default_width, "defaultWidthX" ) + CFF_FIELD_NUM ( 21, nominal_width, "nominalWidthX" ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE CFF_FontRecDictRec +#undef CFFCODE +#define CFFCODE CFF2_CODE_TOPDICT + + CFF_FIELD_CALLBACK( 0x107, font_matrix, "FontMatrix" ) + CFF_FIELD_NUM ( 17, charstrings_offset, "CharStrings" ) + CFF_FIELD_NUM ( 0x124, cid_fd_array_offset, "FDArray" ) + CFF_FIELD_NUM ( 0x125, cid_fd_select_offset, "FDSelect" ) + CFF_FIELD_NUM ( 24, vstore_offset, "vstore" ) + CFF_FIELD_CALLBACK( 25, maxstack, "maxstack" ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE CFF_FontRecDictRec +#undef CFFCODE +#define CFFCODE CFF2_CODE_FONTDICT + + CFF_FIELD_CALLBACK( 18, private_dict, "Private" ) + CFF_FIELD_CALLBACK( 0x107, font_matrix, "FontMatrix" ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE CFF_PrivateRec +#undef CFFCODE +#define CFFCODE CFF2_CODE_PRIVATE + + CFF_FIELD_DELTA ( 6, blue_values, 14, "BlueValues" ) + CFF_FIELD_DELTA ( 7, other_blues, 10, "OtherBlues" ) + CFF_FIELD_DELTA ( 8, family_blues, 14, "FamilyBlues" ) + CFF_FIELD_DELTA ( 9, family_other_blues, 10, "FamilyOtherBlues" ) + CFF_FIELD_FIXED_1000( 0x109, blue_scale, "BlueScale" ) + CFF_FIELD_NUM ( 0x10A, blue_shift, "BlueShift" ) + CFF_FIELD_NUM ( 0x10B, blue_fuzz, "BlueFuzz" ) + CFF_FIELD_NUM ( 10, standard_width, "StdHW" ) + CFF_FIELD_NUM ( 11, standard_height, "StdVW" ) + CFF_FIELD_DELTA ( 0x10C, snap_widths, 13, "StemSnapH" ) + CFF_FIELD_DELTA ( 0x10D, snap_heights, 13, "StemSnapV" ) + CFF_FIELD_NUM ( 0x111, language_group, "LanguageGroup" ) + CFF_FIELD_FIXED ( 0x112, expansion_factor, "ExpansionFactor" ) + CFF_FIELD_CALLBACK ( 22, vsindex, "vsindex" ) + CFF_FIELD_BLEND ( 23, "blend" ) + CFF_FIELD_NUM ( 19, local_subrs_offset, "Subrs" ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/ciderrs.h b/jdk/src/share/native/sun/awt/libfreetype/src/cid/ciderrs.h new file mode 100644 index 00000000000..a5a86e3fc68 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/ciderrs.h @@ -0,0 +1,41 @@ +/***************************************************************************/ +/* */ +/* ciderrs.h */ +/* */ +/* CID error codes (specification only). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the CID error enumeration constants. */ + /* */ + /*************************************************************************/ + +#ifndef CIDERRS_H_ +#define CIDERRS_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX CID_Err_ +#define FT_ERR_BASE FT_Mod_Err_CID + +#include FT_ERRORS_H + +#endif /* CIDERRS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidgload.c b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidgload.c new file mode 100644 index 00000000000..d14f9a2cc97 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidgload.c @@ -0,0 +1,531 @@ +/***************************************************************************/ +/* */ +/* cidgload.c */ +/* */ +/* CID-keyed Type1 Glyph Loader (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include "cidload.h" +#include "cidgload.h" +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_OUTLINE_H +#include FT_INTERNAL_CALC_H + +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_INTERNAL_CFF_TYPES_H +#include FT_DRIVER_H + +#include "ciderrs.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cidgload + + + FT_CALLBACK_DEF( FT_Error ) + cid_load_glyph( T1_Decoder decoder, + FT_UInt glyph_index ) + { + CID_Face face = (CID_Face)decoder->builder.face; + CID_FaceInfo cid = &face->cid; + FT_Byte* p; + FT_ULong fd_select; + FT_Stream stream = face->cid_stream; + FT_Error error = FT_Err_Ok; + FT_Byte* charstring = NULL; + FT_Memory memory = face->root.memory; + FT_ULong glyph_length = 0; + PSAux_Service psaux = (PSAux_Service)face->psaux; + + FT_Bool force_scaling = FALSE; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + FT_Incremental_InterfaceRec *inc = + face->root.internal->incremental_interface; +#endif + + + FT_TRACE1(( "cid_load_glyph: glyph index %d\n", glyph_index )); + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + + /* For incremental fonts get the character data using */ + /* the callback function. */ + if ( inc ) + { + FT_Data glyph_data; + + + error = inc->funcs->get_glyph_data( inc->object, + glyph_index, &glyph_data ); + if ( error ) + goto Exit; + + p = (FT_Byte*)glyph_data.pointer; + fd_select = cid_get_offset( &p, (FT_Byte)cid->fd_bytes ); + + if ( glyph_data.length != 0 ) + { + glyph_length = (FT_ULong)( glyph_data.length - cid->fd_bytes ); + (void)FT_ALLOC( charstring, glyph_length ); + if ( !error ) + ft_memcpy( charstring, glyph_data.pointer + cid->fd_bytes, + glyph_length ); + } + + inc->funcs->free_glyph_data( inc->object, &glyph_data ); + + if ( error ) + goto Exit; + } + + else + +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + /* For ordinary fonts read the CID font dictionary index */ + /* and charstring offset from the CIDMap. */ + { + FT_UInt entry_len = (FT_UInt)( cid->fd_bytes + cid->gd_bytes ); + FT_ULong off1, off2; + + + if ( FT_STREAM_SEEK( cid->data_offset + cid->cidmap_offset + + glyph_index * entry_len ) || + FT_FRAME_ENTER( 2 * entry_len ) ) + goto Exit; + + p = (FT_Byte*)stream->cursor; + fd_select = cid_get_offset( &p, (FT_Byte)cid->fd_bytes ); + off1 = cid_get_offset( &p, (FT_Byte)cid->gd_bytes ); + p += cid->fd_bytes; + off2 = cid_get_offset( &p, (FT_Byte)cid->gd_bytes ); + FT_FRAME_EXIT(); + + if ( fd_select >= (FT_ULong)cid->num_dicts || + off2 > stream->size || + off1 > off2 ) + { + FT_TRACE0(( "cid_load_glyph: invalid glyph stream offsets\n" )); + error = FT_THROW( Invalid_Offset ); + goto Exit; + } + + glyph_length = off2 - off1; + if ( glyph_length == 0 ) + goto Exit; + if ( FT_ALLOC( charstring, glyph_length ) ) + goto Exit; + if ( FT_STREAM_READ_AT( cid->data_offset + off1, + charstring, glyph_length ) ) + goto Exit; + } + + /* Now set up the subrs array and parse the charstrings. */ + { + CID_FaceDict dict; + CID_Subrs cid_subrs = face->subrs + fd_select; + FT_UInt cs_offset; + + + /* Set up subrs */ + decoder->num_subrs = cid_subrs->num_subrs; + decoder->subrs = cid_subrs->code; + decoder->subrs_len = 0; + decoder->subrs_hash = NULL; + + /* Set up font matrix */ + dict = cid->font_dicts + fd_select; + + decoder->font_matrix = dict->font_matrix; + decoder->font_offset = dict->font_offset; + decoder->lenIV = dict->private_dict.lenIV; + + /* Decode the charstring. */ + + /* Adjustment for seed bytes. */ + cs_offset = decoder->lenIV >= 0 ? (FT_UInt)decoder->lenIV : 0; + if ( cs_offset > glyph_length ) + { + FT_TRACE0(( "cid_load_glyph: invalid glyph stream offsets\n" )); + error = FT_THROW( Invalid_Offset ); + goto Exit; + } + + /* Decrypt only if lenIV >= 0. */ + if ( decoder->lenIV >= 0 ) + psaux->t1_decrypt( charstring, glyph_length, 4330 ); + + /* choose which renderer to use */ +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + if ( ( (PS_Driver)FT_FACE_DRIVER( face ) )->hinting_engine == + FT_HINTING_FREETYPE || + decoder->builder.metrics_only ) + error = psaux->t1_decoder_funcs->parse_charstrings_old( + decoder, + charstring + cs_offset, + glyph_length - cs_offset ); +#else + if ( decoder->builder.metrics_only ) + error = psaux->t1_decoder_funcs->parse_metrics( + decoder, + charstring + cs_offset, + glyph_length - cs_offset ); +#endif + else + { + PS_Decoder psdecoder; + CFF_SubFontRec subfont; + + + psaux->ps_decoder_init( &psdecoder, decoder, TRUE ); + + psaux->t1_make_subfont( FT_FACE( face ), + &dict->private_dict, + &subfont ); + psdecoder.current_subfont = &subfont; + + error = psaux->t1_decoder_funcs->parse_charstrings( + &psdecoder, + charstring + cs_offset, + glyph_length - cs_offset ); + + /* Adobe's engine uses 16.16 numbers everywhere; */ + /* as a consequence, glyphs larger than 2000ppem get rejected */ + if ( FT_ERR_EQ( error, Glyph_Too_Big ) ) + { + /* this time, we retry unhinted and scale up the glyph later on */ + /* (the engine uses and sets the hardcoded value 0x10000 / 64 = */ + /* 0x400 for both `x_scale' and `y_scale' in this case) */ + ((CID_GlyphSlot)decoder->builder.glyph)->hint = FALSE; + + force_scaling = TRUE; + + error = psaux->t1_decoder_funcs->parse_charstrings( + &psdecoder, + charstring + cs_offset, + glyph_length - cs_offset ); + } + } + } + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + + /* Incremental fonts can optionally override the metrics. */ + if ( !error && inc && inc->funcs->get_glyph_metrics ) + { + FT_Incremental_MetricsRec metrics; + + + metrics.bearing_x = FIXED_TO_INT( decoder->builder.left_bearing.x ); + metrics.bearing_y = 0; + metrics.advance = FIXED_TO_INT( decoder->builder.advance.x ); + metrics.advance_v = FIXED_TO_INT( decoder->builder.advance.y ); + + error = inc->funcs->get_glyph_metrics( inc->object, + glyph_index, FALSE, &metrics ); + + decoder->builder.left_bearing.x = INT_TO_FIXED( metrics.bearing_x ); + decoder->builder.advance.x = INT_TO_FIXED( metrics.advance ); + decoder->builder.advance.y = INT_TO_FIXED( metrics.advance_v ); + } + +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + Exit: + FT_FREE( charstring ); + + ((CID_GlyphSlot)decoder->builder.glyph)->scaled = force_scaling; + + return error; + } + + +#if 0 + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /********** *********/ + /********** *********/ + /********** COMPUTE THE MAXIMUM ADVANCE WIDTH *********/ + /********** *********/ + /********** The following code is in charge of computing *********/ + /********** the maximum advance width of the font. It *********/ + /********** quickly processes each glyph charstring to *********/ + /********** extract the value from either a `sbw' or `seac' *********/ + /********** operator. *********/ + /********** *********/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + FT_LOCAL_DEF( FT_Error ) + cid_face_compute_max_advance( CID_Face face, + FT_Int* max_advance ) + { + FT_Error error; + T1_DecoderRec decoder; + FT_Int glyph_index; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + + + *max_advance = 0; + + /* Initialize load decoder */ + error = psaux->t1_decoder_funcs->init( &decoder, + (FT_Face)face, + 0, /* size */ + 0, /* glyph slot */ + 0, /* glyph names! XXX */ + 0, /* blend == 0 */ + 0, /* hinting == 0 */ + cid_load_glyph ); + if ( error ) + return error; + + /* TODO: initialize decoder.len_buildchar and decoder.buildchar */ + /* if we ever support CID-keyed multiple master fonts */ + + decoder.builder.metrics_only = 1; + decoder.builder.load_points = 0; + + /* for each glyph, parse the glyph charstring and extract */ + /* the advance width */ + for ( glyph_index = 0; glyph_index < face->root.num_glyphs; + glyph_index++ ) + { + /* now get load the unscaled outline */ + error = cid_load_glyph( &decoder, glyph_index ); + /* ignore the error if one occurred - skip to next glyph */ + } + + *max_advance = FIXED_TO_INT( decoder.builder.advance.x ); + + psaux->t1_decoder_funcs->done( &decoder ); + + return FT_Err_Ok; + } + + +#endif /* 0 */ + + + FT_LOCAL_DEF( FT_Error ) + cid_slot_load_glyph( FT_GlyphSlot cidglyph, /* CID_GlyphSlot */ + FT_Size cidsize, /* CID_Size */ + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + CID_GlyphSlot glyph = (CID_GlyphSlot)cidglyph; + FT_Error error; + T1_DecoderRec decoder; + CID_Face face = (CID_Face)cidglyph->face; + FT_Bool hinting; + FT_Bool scaled; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + FT_Matrix font_matrix; + FT_Vector font_offset; + FT_Bool must_finish_decoder = FALSE; + + + if ( glyph_index >= (FT_UInt)face->root.num_glyphs ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + if ( load_flags & FT_LOAD_NO_RECURSE ) + load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING; + + glyph->x_scale = cidsize->metrics.x_scale; + glyph->y_scale = cidsize->metrics.y_scale; + + cidglyph->outline.n_points = 0; + cidglyph->outline.n_contours = 0; + + hinting = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 && + ( load_flags & FT_LOAD_NO_HINTING ) == 0 ); + scaled = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 ); + + glyph->hint = hinting; + glyph->scaled = scaled; + cidglyph->format = FT_GLYPH_FORMAT_OUTLINE; + + error = psaux->t1_decoder_funcs->init( &decoder, + cidglyph->face, + cidsize, + cidglyph, + 0, /* glyph names -- XXX */ + 0, /* blend == 0 */ + hinting, + FT_LOAD_TARGET_MODE( load_flags ), + cid_load_glyph ); + if ( error ) + goto Exit; + + /* TODO: initialize decoder.len_buildchar and decoder.buildchar */ + /* if we ever support CID-keyed multiple master fonts */ + + must_finish_decoder = TRUE; + + /* set up the decoder */ + decoder.builder.no_recurse = FT_BOOL( + ( ( load_flags & FT_LOAD_NO_RECURSE ) != 0 ) ); + + error = cid_load_glyph( &decoder, glyph_index ); + if ( error ) + goto Exit; + + /* copy flags back for forced scaling */ + hinting = glyph->hint; + scaled = glyph->scaled; + + font_matrix = decoder.font_matrix; + font_offset = decoder.font_offset; + + /* save new glyph tables */ + psaux->t1_decoder_funcs->done( &decoder ); + + must_finish_decoder = FALSE; + + /* now set the metrics -- this is rather simple, as */ + /* the left side bearing is the xMin, and the top side */ + /* bearing the yMax */ + cidglyph->outline.flags &= FT_OUTLINE_OWNER; + cidglyph->outline.flags |= FT_OUTLINE_REVERSE_FILL; + + /* for composite glyphs, return only left side bearing and */ + /* advance width */ + if ( load_flags & FT_LOAD_NO_RECURSE ) + { + FT_Slot_Internal internal = cidglyph->internal; + + + cidglyph->metrics.horiBearingX = + FIXED_TO_INT( decoder.builder.left_bearing.x ); + cidglyph->metrics.horiAdvance = + FIXED_TO_INT( decoder.builder.advance.x ); + + internal->glyph_matrix = font_matrix; + internal->glyph_delta = font_offset; + internal->glyph_transformed = 1; + } + else + { + FT_BBox cbox; + FT_Glyph_Metrics* metrics = &cidglyph->metrics; + + + /* copy the _unscaled_ advance width */ + metrics->horiAdvance = + FIXED_TO_INT( decoder.builder.advance.x ); + cidglyph->linearHoriAdvance = + FIXED_TO_INT( decoder.builder.advance.x ); + cidglyph->internal->glyph_transformed = 0; + + /* make up vertical ones */ + metrics->vertAdvance = ( face->cid.font_bbox.yMax - + face->cid.font_bbox.yMin ) >> 16; + cidglyph->linearVertAdvance = metrics->vertAdvance; + + cidglyph->format = FT_GLYPH_FORMAT_OUTLINE; + + if ( cidsize->metrics.y_ppem < 24 ) + cidglyph->outline.flags |= FT_OUTLINE_HIGH_PRECISION; + + /* apply the font matrix, if any */ + if ( font_matrix.xx != 0x10000L || font_matrix.yy != 0x10000L || + font_matrix.xy != 0 || font_matrix.yx != 0 ) + { + FT_Outline_Transform( &cidglyph->outline, &font_matrix ); + + metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, + font_matrix.xx ); + metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, + font_matrix.yy ); + } + + if ( font_offset.x || font_offset.y ) + { + FT_Outline_Translate( &cidglyph->outline, + font_offset.x, + font_offset.y ); + + metrics->horiAdvance += font_offset.x; + metrics->vertAdvance += font_offset.y; + } + + if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 || scaled ) + { + /* scale the outline and the metrics */ + FT_Int n; + FT_Outline* cur = decoder.builder.base; + FT_Vector* vec = cur->points; + FT_Fixed x_scale = glyph->x_scale; + FT_Fixed y_scale = glyph->y_scale; + + + /* First of all, scale the points */ + if ( !hinting || !decoder.builder.hints_funcs ) + for ( n = cur->n_points; n > 0; n--, vec++ ) + { + vec->x = FT_MulFix( vec->x, x_scale ); + vec->y = FT_MulFix( vec->y, y_scale ); + } + + /* Then scale the metrics */ + metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, x_scale ); + metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, y_scale ); + } + + /* compute the other metrics */ + FT_Outline_Get_CBox( &cidglyph->outline, &cbox ); + + metrics->width = cbox.xMax - cbox.xMin; + metrics->height = cbox.yMax - cbox.yMin; + + metrics->horiBearingX = cbox.xMin; + metrics->horiBearingY = cbox.yMax; + + if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) + { + /* make up vertical ones */ + ft_synthesize_vertical_metrics( metrics, + metrics->vertAdvance ); + } + } + + Exit: + + if ( must_finish_decoder ) + psaux->t1_decoder_funcs->done( &decoder ); + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidgload.h b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidgload.h new file mode 100644 index 00000000000..4811852ae43 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidgload.h @@ -0,0 +1,51 @@ +/***************************************************************************/ +/* */ +/* cidgload.h */ +/* */ +/* OpenType Glyph Loader (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CIDGLOAD_H_ +#define CIDGLOAD_H_ + + +#include <ft2build.h> +#include "cidobjs.h" + + +FT_BEGIN_HEADER + + +#if 0 + + /* Compute the maximum advance width of a font through quick parsing */ + FT_LOCAL( FT_Error ) + cid_face_compute_max_advance( CID_Face face, + FT_Int* max_advance ); + +#endif /* 0 */ + + FT_LOCAL( FT_Error ) + cid_slot_load_glyph( FT_GlyphSlot glyph, /* CID_Glyph_Slot */ + FT_Size size, /* CID_Size */ + FT_UInt glyph_index, + FT_Int32 load_flags ); + + +FT_END_HEADER + +#endif /* CIDGLOAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidload.c b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidload.c new file mode 100644 index 00000000000..27cd09b3c35 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidload.c @@ -0,0 +1,846 @@ +/***************************************************************************/ +/* */ +/* cidload.c */ +/* */ +/* CID-keyed Type1 font loader (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_CONFIG_CONFIG_H +#include FT_MULTIPLE_MASTERS_H +#include FT_INTERNAL_TYPE1_TYPES_H + +#include "cidload.h" + +#include "ciderrs.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cidload + + + /* read a single offset */ + FT_LOCAL_DEF( FT_ULong ) + cid_get_offset( FT_Byte* *start, + FT_Byte offsize ) + { + FT_ULong result; + FT_Byte* p = *start; + + + for ( result = 0; offsize > 0; offsize-- ) + { + result <<= 8; + result |= *p++; + } + + *start = p; + return result; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE 1 SYMBOL PARSING *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + static FT_Error + cid_load_keyword( CID_Face face, + CID_Loader* loader, + const T1_Field keyword ) + { + FT_Error error; + CID_Parser* parser = &loader->parser; + FT_Byte* object; + void* dummy_object; + CID_FaceInfo cid = &face->cid; + + + /* if the keyword has a dedicated callback, call it */ + if ( keyword->type == T1_FIELD_TYPE_CALLBACK ) + { + keyword->reader( (FT_Face)face, parser ); + error = parser->root.error; + goto Exit; + } + + /* we must now compute the address of our target object */ + switch ( keyword->location ) + { + case T1_FIELD_LOCATION_CID_INFO: + object = (FT_Byte*)cid; + break; + + case T1_FIELD_LOCATION_FONT_INFO: + object = (FT_Byte*)&cid->font_info; + break; + + case T1_FIELD_LOCATION_FONT_EXTRA: + object = (FT_Byte*)&face->font_extra; + break; + + case T1_FIELD_LOCATION_BBOX: + object = (FT_Byte*)&cid->font_bbox; + break; + + default: + { + CID_FaceDict dict; + + + if ( parser->num_dict < 0 || parser->num_dict >= cid->num_dicts ) + { + FT_ERROR(( "cid_load_keyword: invalid use of `%s'\n", + keyword->ident )); + error = FT_THROW( Syntax_Error ); + goto Exit; + } + + dict = cid->font_dicts + parser->num_dict; + switch ( keyword->location ) + { + case T1_FIELD_LOCATION_PRIVATE: + object = (FT_Byte*)&dict->private_dict; + break; + + default: + object = (FT_Byte*)dict; + } + } + } + + dummy_object = object; + + /* now, load the keyword data in the object's field(s) */ + if ( keyword->type == T1_FIELD_TYPE_INTEGER_ARRAY || + keyword->type == T1_FIELD_TYPE_FIXED_ARRAY ) + error = cid_parser_load_field_table( &loader->parser, keyword, + &dummy_object ); + else + error = cid_parser_load_field( &loader->parser, + keyword, &dummy_object ); + Exit: + return error; + } + + + FT_CALLBACK_DEF( FT_Error ) + cid_parse_font_matrix( CID_Face face, + CID_Parser* parser ) + { + CID_FaceDict dict; + FT_Face root = (FT_Face)&face->root; + FT_Fixed temp[6]; + FT_Fixed temp_scale; + + + if ( parser->num_dict >= 0 && parser->num_dict < face->cid.num_dicts ) + { + FT_Matrix* matrix; + FT_Vector* offset; + FT_Int result; + + + dict = face->cid.font_dicts + parser->num_dict; + matrix = &dict->font_matrix; + offset = &dict->font_offset; + + /* input is scaled by 1000 to accommodate default FontMatrix */ + result = cid_parser_to_fixed_array( parser, 6, temp, 3 ); + + if ( result < 6 ) + return FT_THROW( Invalid_File_Format ); + + temp_scale = FT_ABS( temp[3] ); + + if ( temp_scale == 0 ) + { + FT_ERROR(( "cid_parse_font_matrix: invalid font matrix\n" )); + return FT_THROW( Invalid_File_Format ); + } + + /* atypical case */ + if ( temp_scale != 0x10000L ) + { + /* set units per EM based on FontMatrix values */ + root->units_per_EM = (FT_UShort)FT_DivFix( 1000, temp_scale ); + + temp[0] = FT_DivFix( temp[0], temp_scale ); + temp[1] = FT_DivFix( temp[1], temp_scale ); + temp[2] = FT_DivFix( temp[2], temp_scale ); + temp[4] = FT_DivFix( temp[4], temp_scale ); + temp[5] = FT_DivFix( temp[5], temp_scale ); + temp[3] = temp[3] < 0 ? -0x10000L : 0x10000L; + } + + matrix->xx = temp[0]; + matrix->yx = temp[1]; + matrix->xy = temp[2]; + matrix->yy = temp[3]; + + /* note that the font offsets are expressed in integer font units */ + offset->x = temp[4] >> 16; + offset->y = temp[5] >> 16; + } + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_Error ) + parse_fd_array( CID_Face face, + CID_Parser* parser ) + { + CID_FaceInfo cid = &face->cid; + FT_Memory memory = face->root.memory; + FT_Stream stream = parser->stream; + FT_Error error = FT_Err_Ok; + FT_Long num_dicts; + + + num_dicts = cid_parser_to_int( parser ); + if ( num_dicts < 0 ) + { + FT_ERROR(( "parse_fd_array: invalid number of dictionaries\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* + * A single entry in the FDArray must (at least) contain the following + * structure elements. + * + * %ADOBeginFontDict 18 + * X dict begin 13 + * /FontMatrix [X X X X] 22 + * /Private X dict begin 22 + * end 4 + * end 4 + * %ADOEndFontDict 16 + * + * This needs 18+13+22+22+4+4+16=99 bytes or more. Normally, you also + * need a `dup X' at the very beginning and a `put' at the end, so a + * rough guess using 100 bytes as the minimum is justified. + */ + if ( (FT_ULong)num_dicts > stream->size / 100 ) + { + FT_TRACE0(( "parse_fd_array: adjusting FDArray size" + " (from %d to %d)\n", + num_dicts, + stream->size / 100 )); + num_dicts = (FT_Long)( stream->size / 100 ); + } + + if ( !cid->font_dicts ) + { + FT_Int n; + + + if ( FT_NEW_ARRAY( cid->font_dicts, num_dicts ) ) + goto Exit; + + cid->num_dicts = num_dicts; + + /* don't forget to set a few defaults */ + for ( n = 0; n < cid->num_dicts; n++ ) + { + CID_FaceDict dict = cid->font_dicts + n; + + + /* default value for lenIV */ + dict->private_dict.lenIV = 4; + } + } + + Exit: + return error; + } + + + /* by mistake, `expansion_factor' appears both in PS_PrivateRec */ + /* and CID_FaceDictRec (both are public header files and can't */ + /* changed); we simply copy the value */ + + FT_CALLBACK_DEF( FT_Error ) + parse_expansion_factor( CID_Face face, + CID_Parser* parser ) + { + CID_FaceDict dict; + + + if ( parser->num_dict >= 0 && parser->num_dict < face->cid.num_dicts ) + { + dict = face->cid.font_dicts + parser->num_dict; + + dict->expansion_factor = cid_parser_to_fixed( parser, 0 ); + dict->private_dict.expansion_factor = dict->expansion_factor; + } + + return FT_Err_Ok; + } + + + static + const T1_FieldRec cid_field_records[] = + { + +#include "cidtoken.h" + + T1_FIELD_CALLBACK( "FDArray", parse_fd_array, 0 ) + T1_FIELD_CALLBACK( "FontMatrix", cid_parse_font_matrix, 0 ) + T1_FIELD_CALLBACK( "ExpansionFactor", parse_expansion_factor, 0 ) + + { 0, T1_FIELD_LOCATION_CID_INFO, T1_FIELD_TYPE_NONE, 0, 0, 0, 0, 0, 0 } + }; + + + static FT_Error + cid_parse_dict( CID_Face face, + CID_Loader* loader, + FT_Byte* base, + FT_ULong size ) + { + CID_Parser* parser = &loader->parser; + + + parser->root.cursor = base; + parser->root.limit = base + size; + parser->root.error = FT_Err_Ok; + + { + FT_Byte* cur = base; + FT_Byte* limit = cur + size; + + + for (;;) + { + FT_Byte* newlimit; + + + parser->root.cursor = cur; + cid_parser_skip_spaces( parser ); + + if ( parser->root.cursor >= limit ) + newlimit = limit - 1 - 17; + else + newlimit = parser->root.cursor - 17; + + /* look for `%ADOBeginFontDict' */ + for ( ; cur < newlimit; cur++ ) + { + if ( *cur == '%' && + ft_strncmp( (char*)cur, "%ADOBeginFontDict", 17 ) == 0 ) + { + /* if /FDArray was found, then cid->num_dicts is > 0, and */ + /* we can start increasing parser->num_dict */ + if ( face->cid.num_dicts > 0 ) + parser->num_dict++; + } + } + + cur = parser->root.cursor; + /* no error can occur in cid_parser_skip_spaces */ + if ( cur >= limit ) + break; + + cid_parser_skip_PS_token( parser ); + if ( parser->root.cursor >= limit || parser->root.error ) + break; + + /* look for immediates */ + if ( *cur == '/' && cur + 2 < limit ) + { + FT_UInt len; + + + cur++; + len = (FT_UInt)( parser->root.cursor - cur ); + + if ( len > 0 && len < 22 ) + { + /* now compare the immediate name to the keyword table */ + T1_Field keyword = (T1_Field)cid_field_records; + + + for (;;) + { + FT_Byte* name; + + + name = (FT_Byte*)keyword->ident; + if ( !name ) + break; + + if ( cur[0] == name[0] && + len == ft_strlen( (const char*)name ) ) + { + FT_UInt n; + + + for ( n = 1; n < len; n++ ) + if ( cur[n] != name[n] ) + break; + + if ( n >= len ) + { + /* we found it - run the parsing callback */ + parser->root.error = cid_load_keyword( face, + loader, + keyword ); + if ( parser->root.error ) + return parser->root.error; + break; + } + } + keyword++; + } + } + } + + cur = parser->root.cursor; + } + + if ( !face->cid.num_dicts ) + { + FT_ERROR(( "cid_parse_dict: No font dictionary found\n" )); + return FT_THROW( Invalid_File_Format ); + } + } + + return parser->root.error; + } + + + /* read the subrmap and the subrs of each font dict */ + static FT_Error + cid_read_subrs( CID_Face face ) + { + CID_FaceInfo cid = &face->cid; + FT_Memory memory = face->root.memory; + FT_Stream stream = face->cid_stream; + FT_Error error; + FT_Int n; + CID_Subrs subr; + FT_UInt max_offsets = 0; + FT_ULong* offsets = NULL; + PSAux_Service psaux = (PSAux_Service)face->psaux; + + + if ( FT_NEW_ARRAY( face->subrs, cid->num_dicts ) ) + goto Exit; + + subr = face->subrs; + for ( n = 0; n < cid->num_dicts; n++, subr++ ) + { + CID_FaceDict dict = cid->font_dicts + n; + FT_Int lenIV = dict->private_dict.lenIV; + FT_UInt count, num_subrs = dict->num_subrs; + FT_ULong data_len; + FT_Byte* p; + + + if ( !num_subrs ) + continue; + + /* reallocate offsets array if needed */ + if ( num_subrs + 1 > max_offsets ) + { + FT_UInt new_max = FT_PAD_CEIL( num_subrs + 1, 4 ); + + + if ( new_max <= max_offsets ) + { + error = FT_THROW( Syntax_Error ); + goto Fail; + } + + if ( FT_RENEW_ARRAY( offsets, max_offsets, new_max ) ) + goto Fail; + + max_offsets = new_max; + } + + /* read the subrmap's offsets */ + if ( FT_STREAM_SEEK( cid->data_offset + dict->subrmap_offset ) || + FT_FRAME_ENTER( ( num_subrs + 1 ) * (FT_UInt)dict->sd_bytes ) ) + goto Fail; + + p = (FT_Byte*)stream->cursor; + for ( count = 0; count <= num_subrs; count++ ) + offsets[count] = cid_get_offset( &p, (FT_Byte)dict->sd_bytes ); + + FT_FRAME_EXIT(); + + /* offsets must be ordered */ + for ( count = 1; count <= num_subrs; count++ ) + if ( offsets[count - 1] > offsets[count] ) + { + FT_ERROR(( "cid_read_subrs: offsets are not ordered\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + if ( offsets[num_subrs] > stream->size - cid->data_offset ) + { + FT_ERROR(( "cid_read_subrs: too large `subrs' offsets\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + /* now, compute the size of subrs charstrings, */ + /* allocate, and read them */ + data_len = offsets[num_subrs] - offsets[0]; + + if ( FT_NEW_ARRAY( subr->code, num_subrs + 1 ) || + FT_ALLOC( subr->code[0], data_len ) ) + goto Fail; + + if ( FT_STREAM_SEEK( cid->data_offset + offsets[0] ) || + FT_STREAM_READ( subr->code[0], data_len ) ) + goto Fail; + + /* set up pointers */ + for ( count = 1; count <= num_subrs; count++ ) + { + FT_ULong len; + + + len = offsets[count] - offsets[count - 1]; + subr->code[count] = subr->code[count - 1] + len; + } + + /* decrypt subroutines, but only if lenIV >= 0 */ + if ( lenIV >= 0 ) + { + for ( count = 0; count < num_subrs; count++ ) + { + FT_ULong len; + + + len = offsets[count + 1] - offsets[count]; + psaux->t1_decrypt( subr->code[count], len, 4330 ); + } + } + + subr->num_subrs = (FT_Int)num_subrs; + } + + Exit: + FT_FREE( offsets ); + return error; + + Fail: + if ( face->subrs ) + { + for ( n = 0; n < cid->num_dicts; n++ ) + { + if ( face->subrs[n].code ) + FT_FREE( face->subrs[n].code[0] ); + + FT_FREE( face->subrs[n].code ); + } + FT_FREE( face->subrs ); + } + goto Exit; + } + + + static void + cid_init_loader( CID_Loader* loader, + CID_Face face ) + { + FT_UNUSED( face ); + + FT_ZERO( loader ); + } + + + static void + cid_done_loader( CID_Loader* loader ) + { + CID_Parser* parser = &loader->parser; + + + /* finalize parser */ + cid_parser_done( parser ); + } + + + static FT_Error + cid_hex_to_binary( FT_Byte* data, + FT_ULong data_len, + FT_ULong offset, + CID_Face face ) + { + FT_Stream stream = face->root.stream; + FT_Error error; + + FT_Byte buffer[256]; + FT_Byte *p, *plimit; + FT_Byte *d, *dlimit; + FT_Byte val; + + FT_Bool upper_nibble, done; + + + if ( FT_STREAM_SEEK( offset ) ) + goto Exit; + + d = data; + dlimit = d + data_len; + p = buffer; + plimit = p; + + upper_nibble = 1; + done = 0; + + while ( d < dlimit ) + { + if ( p >= plimit ) + { + FT_ULong oldpos = FT_STREAM_POS(); + FT_ULong size = stream->size - oldpos; + + + if ( size == 0 ) + { + error = FT_THROW( Syntax_Error ); + goto Exit; + } + + if ( FT_STREAM_READ( buffer, 256 > size ? size : 256 ) ) + goto Exit; + p = buffer; + plimit = p + FT_STREAM_POS() - oldpos; + } + + if ( ft_isdigit( *p ) ) + val = (FT_Byte)( *p - '0' ); + else if ( *p >= 'a' && *p <= 'f' ) + val = (FT_Byte)( *p - 'a' ); + else if ( *p >= 'A' && *p <= 'F' ) + val = (FT_Byte)( *p - 'A' + 10 ); + else if ( *p == ' ' || + *p == '\t' || + *p == '\r' || + *p == '\n' || + *p == '\f' || + *p == '\0' ) + { + p++; + continue; + } + else if ( *p == '>' ) + { + val = 0; + done = 1; + } + else + { + error = FT_THROW( Syntax_Error ); + goto Exit; + } + + if ( upper_nibble ) + *d = (FT_Byte)( val << 4 ); + else + { + *d = (FT_Byte)( *d + val ); + d++; + } + + upper_nibble = (FT_Byte)( 1 - upper_nibble ); + + if ( done ) + break; + + p++; + } + + error = FT_Err_Ok; + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_Error ) + cid_face_open( CID_Face face, + FT_Int face_index ) + { + CID_Loader loader; + CID_Parser* parser; + FT_Memory memory = face->root.memory; + FT_Error error; + FT_Int n; + + CID_FaceInfo cid = &face->cid; + + FT_ULong binary_length; + FT_ULong entry_len; + + + cid_init_loader( &loader, face ); + + parser = &loader.parser; + error = cid_parser_new( parser, face->root.stream, face->root.memory, + (PSAux_Service)face->psaux ); + if ( error ) + goto Exit; + + error = cid_parse_dict( face, &loader, + parser->postscript, + parser->postscript_len ); + if ( error ) + goto Exit; + + if ( face_index < 0 ) + goto Exit; + + if ( FT_NEW( face->cid_stream ) ) + goto Exit; + + if ( parser->binary_length ) + { + if ( parser->binary_length > + face->root.stream->size - parser->data_offset ) + { + FT_TRACE0(( "cid_face_open: adjusting length of binary data\n" + " (from %d to %d bytes)\n", + parser->binary_length, + face->root.stream->size - parser->data_offset )); + parser->binary_length = face->root.stream->size - + parser->data_offset; + } + + /* we must convert the data section from hexadecimal to binary */ + if ( FT_ALLOC( face->binary_data, parser->binary_length ) || + FT_SET_ERROR( cid_hex_to_binary( face->binary_data, + parser->binary_length, + parser->data_offset, + face ) ) ) + goto Exit; + + FT_Stream_OpenMemory( face->cid_stream, + face->binary_data, parser->binary_length ); + cid->data_offset = 0; + } + else + { + *face->cid_stream = *face->root.stream; + cid->data_offset = loader.parser.data_offset; + } + + /* sanity tests */ + + if ( cid->fd_bytes < 0 || cid->gd_bytes < 1 ) + { + FT_ERROR(( "cid_parse_dict:" + " Invalid `FDBytes' or `GDBytes' value\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* allow at most 32bit offsets */ + if ( cid->fd_bytes > 4 || cid->gd_bytes > 4 ) + { + FT_ERROR(( "cid_parse_dict:" + " Values of `FDBytes' or `GDBytes' larger than 4\n" + " " + " are not supported\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + binary_length = face->cid_stream->size - cid->data_offset; + entry_len = (FT_ULong)( cid->fd_bytes + cid->gd_bytes ); + + for ( n = 0; n < cid->num_dicts; n++ ) + { + CID_FaceDict dict = cid->font_dicts + n; + + + if ( dict->sd_bytes < 0 || + ( dict->num_subrs && dict->sd_bytes < 1 ) ) + { + FT_ERROR(( "cid_parse_dict: Invalid `SDBytes' value\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( dict->sd_bytes > 4 ) + { + FT_ERROR(( "cid_parse_dict:" + " Values of `SDBytes' larger than 4" + " are not supported\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( dict->subrmap_offset > binary_length ) + { + FT_ERROR(( "cid_parse_dict: Invalid `SubrMapOffset' value\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* `num_subrs' is scanned as a signed integer */ + if ( (FT_Int)dict->num_subrs < 0 || + ( dict->sd_bytes && + dict->num_subrs > ( binary_length - dict->subrmap_offset ) / + (FT_UInt)dict->sd_bytes ) ) + { + FT_ERROR(( "cid_parse_dict: Invalid `SubrCount' value\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + } + + if ( cid->cidmap_offset > binary_length ) + { + FT_ERROR(( "cid_parse_dict: Invalid `CIDMapOffset' value\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( entry_len && + cid->cid_count > + ( binary_length - cid->cidmap_offset ) / entry_len ) + { + FT_ERROR(( "cid_parse_dict: Invalid `CIDCount' value\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* we can now safely proceed */ + error = cid_read_subrs( face ); + + Exit: + cid_done_loader( &loader ); + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidload.h b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidload.h new file mode 100644 index 00000000000..3f8bd08620a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidload.h @@ -0,0 +1,53 @@ +/***************************************************************************/ +/* */ +/* cidload.h */ +/* */ +/* CID-keyed Type1 font loader (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CIDLOAD_H_ +#define CIDLOAD_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_STREAM_H +#include "cidparse.h" + + +FT_BEGIN_HEADER + + + typedef struct CID_Loader_ + { + CID_Parser parser; /* parser used to read the stream */ + FT_Int num_chars; /* number of characters in encoding */ + + } CID_Loader; + + + FT_LOCAL( FT_ULong ) + cid_get_offset( FT_Byte** start, + FT_Byte offsize ); + + FT_LOCAL( FT_Error ) + cid_face_open( CID_Face face, + FT_Int face_index ); + + +FT_END_HEADER + +#endif /* CIDLOAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidobjs.c b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidobjs.c new file mode 100644 index 00000000000..77afe1c8751 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidobjs.c @@ -0,0 +1,526 @@ +/***************************************************************************/ +/* */ +/* cidobjs.c */ +/* */ +/* CID objects manager (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H + +#include "cidgload.h" +#include "cidload.h" + +#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_INTERNAL_POSTSCRIPT_HINTS_H +#include FT_DRIVER_H + +#include "ciderrs.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cidobjs + + + /*************************************************************************/ + /* */ + /* SLOT FUNCTIONS */ + /* */ + /*************************************************************************/ + + FT_LOCAL_DEF( void ) + cid_slot_done( FT_GlyphSlot slot ) + { + slot->internal->glyph_hints = NULL; + } + + + FT_LOCAL_DEF( FT_Error ) + cid_slot_init( FT_GlyphSlot slot ) + { + CID_Face face; + PSHinter_Service pshinter; + + + face = (CID_Face)slot->face; + pshinter = (PSHinter_Service)face->pshinter; + + if ( pshinter ) + { + FT_Module module; + + + module = FT_Get_Module( slot->face->driver->root.library, + "pshinter" ); + if ( module ) + { + T1_Hints_Funcs funcs; + + + funcs = pshinter->get_t1_funcs( module ); + slot->internal->glyph_hints = (void*)funcs; + } + } + + return 0; + } + + + /*************************************************************************/ + /* */ + /* SIZE FUNCTIONS */ + /* */ + /*************************************************************************/ + + + static PSH_Globals_Funcs + cid_size_get_globals_funcs( CID_Size size ) + { + CID_Face face = (CID_Face)size->root.face; + PSHinter_Service pshinter = (PSHinter_Service)face->pshinter; + FT_Module module; + + + module = FT_Get_Module( size->root.face->driver->root.library, + "pshinter" ); + return ( module && pshinter && pshinter->get_globals_funcs ) + ? pshinter->get_globals_funcs( module ) + : 0; + } + + + FT_LOCAL_DEF( void ) + cid_size_done( FT_Size cidsize ) /* CID_Size */ + { + CID_Size size = (CID_Size)cidsize; + + + if ( cidsize->internal->module_data ) + { + PSH_Globals_Funcs funcs; + + + funcs = cid_size_get_globals_funcs( size ); + if ( funcs ) + funcs->destroy( (PSH_Globals)cidsize->internal->module_data ); + + cidsize->internal->module_data = NULL; + } + } + + + FT_LOCAL_DEF( FT_Error ) + cid_size_init( FT_Size cidsize ) /* CID_Size */ + { + CID_Size size = (CID_Size)cidsize; + FT_Error error = FT_Err_Ok; + PSH_Globals_Funcs funcs = cid_size_get_globals_funcs( size ); + + + if ( funcs ) + { + PSH_Globals globals; + CID_Face face = (CID_Face)cidsize->face; + CID_FaceDict dict = face->cid.font_dicts + face->root.face_index; + PS_Private priv = &dict->private_dict; + + + error = funcs->create( cidsize->face->memory, priv, &globals ); + if ( !error ) + cidsize->internal->module_data = globals; + } + + return error; + } + + + FT_LOCAL( FT_Error ) + cid_size_request( FT_Size size, + FT_Size_Request req ) + { + PSH_Globals_Funcs funcs; + + + FT_Request_Metrics( size->face, req ); + + funcs = cid_size_get_globals_funcs( (CID_Size)size ); + + if ( funcs ) + funcs->set_scale( (PSH_Globals)size->internal->module_data, + size->metrics.x_scale, + size->metrics.y_scale, + 0, 0 ); + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* FACE FUNCTIONS */ + /* */ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cid_face_done */ + /* */ + /* <Description> */ + /* Finalizes a given face object. */ + /* */ + /* <Input> */ + /* face :: A pointer to the face object to destroy. */ + /* */ + FT_LOCAL_DEF( void ) + cid_face_done( FT_Face cidface ) /* CID_Face */ + { + CID_Face face = (CID_Face)cidface; + FT_Memory memory; + CID_FaceInfo cid; + PS_FontInfo info; + + + if ( !face ) + return; + + cid = &face->cid; + info = &cid->font_info; + memory = cidface->memory; + + /* release subrs */ + if ( face->subrs ) + { + FT_Int n; + + + for ( n = 0; n < cid->num_dicts; n++ ) + { + CID_Subrs subr = face->subrs + n; + + + if ( subr->code ) + { + FT_FREE( subr->code[0] ); + FT_FREE( subr->code ); + } + } + + FT_FREE( face->subrs ); + } + + /* release FontInfo strings */ + FT_FREE( info->version ); + FT_FREE( info->notice ); + FT_FREE( info->full_name ); + FT_FREE( info->family_name ); + FT_FREE( info->weight ); + + /* release font dictionaries */ + FT_FREE( cid->font_dicts ); + cid->num_dicts = 0; + + /* release other strings */ + FT_FREE( cid->cid_font_name ); + FT_FREE( cid->registry ); + FT_FREE( cid->ordering ); + + cidface->family_name = NULL; + cidface->style_name = NULL; + + FT_FREE( face->binary_data ); + FT_FREE( face->cid_stream ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cid_face_init */ + /* */ + /* <Description> */ + /* Initializes a given CID face object. */ + /* */ + /* <Input> */ + /* stream :: The source font stream. */ + /* */ + /* face_index :: The index of the font face in the resource. */ + /* */ + /* num_params :: Number of additional generic parameters. Ignored. */ + /* */ + /* params :: Additional generic parameters. Ignored. */ + /* */ + /* <InOut> */ + /* face :: The newly built face object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + cid_face_init( FT_Stream stream, + FT_Face cidface, /* CID_Face */ + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ) + { + CID_Face face = (CID_Face)cidface; + FT_Error error; + PSAux_Service psaux; + PSHinter_Service pshinter; + + FT_UNUSED( num_params ); + FT_UNUSED( params ); + FT_UNUSED( stream ); + + + cidface->num_faces = 1; + + psaux = (PSAux_Service)face->psaux; + if ( !psaux ) + { + psaux = (PSAux_Service)FT_Get_Module_Interface( + FT_FACE_LIBRARY( face ), "psaux" ); + + if ( !psaux ) + { + FT_ERROR(( "cid_face_init: cannot access `psaux' module\n" )); + error = FT_THROW( Missing_Module ); + goto Exit; + } + + face->psaux = psaux; + } + + pshinter = (PSHinter_Service)face->pshinter; + if ( !pshinter ) + { + pshinter = (PSHinter_Service)FT_Get_Module_Interface( + FT_FACE_LIBRARY( face ), "pshinter" ); + + face->pshinter = pshinter; + } + + FT_TRACE2(( "CID driver\n" )); + + /* open the tokenizer; this will also check the font format */ + if ( FT_STREAM_SEEK( 0 ) ) + goto Exit; + + error = cid_face_open( face, face_index ); + if ( error ) + goto Exit; + + /* if we just wanted to check the format, leave successfully now */ + if ( face_index < 0 ) + goto Exit; + + /* check the face index */ + /* XXX: handle CID fonts with more than a single face */ + if ( ( face_index & 0xFFFF ) != 0 ) + { + FT_ERROR(( "cid_face_init: invalid face index\n" )); + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + /* now load the font program into the face object */ + + /* initialize the face object fields */ + + /* set up root face fields */ + { + CID_FaceInfo cid = &face->cid; + PS_FontInfo info = &cid->font_info; + + + cidface->num_glyphs = (FT_Long)cid->cid_count; + cidface->num_charmaps = 0; + + cidface->face_index = face_index & 0xFFFF; + + cidface->face_flags |= FT_FACE_FLAG_SCALABLE | /* scalable outlines */ + FT_FACE_FLAG_HORIZONTAL | /* horizontal data */ + FT_FACE_FLAG_HINTER; /* has native hinter */ + + if ( info->is_fixed_pitch ) + cidface->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; + + /* XXX: TODO: add kerning with .afm support */ + + /* get style name -- be careful, some broken fonts only */ + /* have a /FontName dictionary entry! */ + cidface->family_name = info->family_name; + /* assume "Regular" style if we don't know better */ + cidface->style_name = (char *)"Regular"; + if ( cidface->family_name ) + { + char* full = info->full_name; + char* family = cidface->family_name; + + + if ( full ) + { + while ( *full ) + { + if ( *full == *family ) + { + family++; + full++; + } + else + { + if ( *full == ' ' || *full == '-' ) + full++; + else if ( *family == ' ' || *family == '-' ) + family++; + else + { + if ( !*family ) + cidface->style_name = full; + break; + } + } + } + } + } + else + { + /* do we have a `/FontName'? */ + if ( cid->cid_font_name ) + cidface->family_name = cid->cid_font_name; + } + + /* compute style flags */ + cidface->style_flags = 0; + if ( info->italic_angle ) + cidface->style_flags |= FT_STYLE_FLAG_ITALIC; + if ( info->weight ) + { + if ( !ft_strcmp( info->weight, "Bold" ) || + !ft_strcmp( info->weight, "Black" ) ) + cidface->style_flags |= FT_STYLE_FLAG_BOLD; + } + + /* no embedded bitmap support */ + cidface->num_fixed_sizes = 0; + cidface->available_sizes = NULL; + + cidface->bbox.xMin = cid->font_bbox.xMin >> 16; + cidface->bbox.yMin = cid->font_bbox.yMin >> 16; + /* no `U' suffix here to 0xFFFF! */ + cidface->bbox.xMax = ( cid->font_bbox.xMax + 0xFFFF ) >> 16; + cidface->bbox.yMax = ( cid->font_bbox.yMax + 0xFFFF ) >> 16; + + if ( !cidface->units_per_EM ) + cidface->units_per_EM = 1000; + + cidface->ascender = (FT_Short)( cidface->bbox.yMax ); + cidface->descender = (FT_Short)( cidface->bbox.yMin ); + + cidface->height = (FT_Short)( ( cidface->units_per_EM * 12 ) / 10 ); + if ( cidface->height < cidface->ascender - cidface->descender ) + cidface->height = (FT_Short)( cidface->ascender - cidface->descender ); + + cidface->underline_position = (FT_Short)info->underline_position; + cidface->underline_thickness = (FT_Short)info->underline_thickness; + } + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cid_driver_init */ + /* */ + /* <Description> */ + /* Initializes a given CID driver object. */ + /* */ + /* <Input> */ + /* driver :: A handle to the target driver object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + cid_driver_init( FT_Module module ) + { + PS_Driver driver = (PS_Driver)module; + + FT_UInt32 seed; + + + /* set default property values, cf. `ftt1drv.h' */ +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + driver->hinting_engine = FT_HINTING_FREETYPE; +#else + driver->hinting_engine = FT_HINTING_ADOBE; +#endif + + driver->no_stem_darkening = TRUE; + + driver->darken_params[0] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1; + driver->darken_params[1] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1; + driver->darken_params[2] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2; + driver->darken_params[3] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2; + driver->darken_params[4] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3; + driver->darken_params[5] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3; + driver->darken_params[6] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4; + driver->darken_params[7] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4; + + /* compute random seed from some memory addresses */ + seed = (FT_UInt32)( (FT_Offset)(char*)&seed ^ + (FT_Offset)(char*)&module ^ + (FT_Offset)(char*)module->memory ); + seed = seed ^ ( seed >> 10 ) ^ ( seed >> 20 ); + + driver->random_seed = (FT_Int32)seed; + if ( driver->random_seed < 0 ) + driver->random_seed = -driver->random_seed; + else if ( driver->random_seed == 0 ) + driver->random_seed = 123456789; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cid_driver_done */ + /* */ + /* <Description> */ + /* Finalizes a given CID driver. */ + /* */ + /* <Input> */ + /* driver :: A handle to the target CID driver. */ + /* */ + FT_LOCAL_DEF( void ) + cid_driver_done( FT_Module driver ) + { + FT_UNUSED( driver ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidobjs.h b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidobjs.h new file mode 100644 index 00000000000..0221f017dd2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidobjs.h @@ -0,0 +1,154 @@ +/***************************************************************************/ +/* */ +/* cidobjs.h */ +/* */ +/* CID objects manager (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CIDOBJS_H_ +#define CIDOBJS_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include FT_CONFIG_CONFIG_H +#include FT_INTERNAL_TYPE1_TYPES_H + + +FT_BEGIN_HEADER + + + /* The following structures must be defined by the hinter */ + typedef struct CID_Size_Hints_ CID_Size_Hints; + typedef struct CID_Glyph_Hints_ CID_Glyph_Hints; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* CID_Driver */ + /* */ + /* <Description> */ + /* A handle to a Type 1 driver object. */ + /* */ + typedef struct CID_DriverRec_* CID_Driver; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* CID_Size */ + /* */ + /* <Description> */ + /* A handle to a Type 1 size object. */ + /* */ + typedef struct CID_SizeRec_* CID_Size; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* CID_GlyphSlot */ + /* */ + /* <Description> */ + /* A handle to a Type 1 glyph slot object. */ + /* */ + typedef struct CID_GlyphSlotRec_* CID_GlyphSlot; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* CID_CharMap */ + /* */ + /* <Description> */ + /* A handle to a Type 1 character mapping object. */ + /* */ + /* <Note> */ + /* The Type 1 format doesn't use a charmap but an encoding table. */ + /* The driver is responsible for making up charmap objects */ + /* corresponding to these tables. */ + /* */ + typedef struct CID_CharMapRec_* CID_CharMap; + + + /*************************************************************************/ + /* */ + /* HERE BEGINS THE TYPE 1 SPECIFIC STUFF */ + /* */ + /*************************************************************************/ + + + typedef struct CID_SizeRec_ + { + FT_SizeRec root; + FT_Bool valid; + + } CID_SizeRec; + + + typedef struct CID_GlyphSlotRec_ + { + FT_GlyphSlotRec root; + + FT_Bool hint; + FT_Bool scaled; + + FT_Fixed x_scale; + FT_Fixed y_scale; + + } CID_GlyphSlotRec; + + + FT_LOCAL( void ) + cid_slot_done( FT_GlyphSlot slot ); + + FT_LOCAL( FT_Error ) + cid_slot_init( FT_GlyphSlot slot ); + + + FT_LOCAL( void ) + cid_size_done( FT_Size size ); /* CID_Size */ + + FT_LOCAL( FT_Error ) + cid_size_init( FT_Size size ); /* CID_Size */ + + FT_LOCAL( FT_Error ) + cid_size_request( FT_Size size, /* CID_Size */ + FT_Size_Request req ); + + FT_LOCAL( FT_Error ) + cid_face_init( FT_Stream stream, + FT_Face face, /* CID_Face */ + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ); + + FT_LOCAL( void ) + cid_face_done( FT_Face face ); /* CID_Face */ + + + FT_LOCAL( FT_Error ) + cid_driver_init( FT_Module driver ); + + FT_LOCAL( void ) + cid_driver_done( FT_Module driver ); + + +FT_END_HEADER + +#endif /* CIDOBJS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidparse.c b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidparse.c new file mode 100644 index 00000000000..b1c7f3cb2c9 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidparse.c @@ -0,0 +1,277 @@ +/***************************************************************************/ +/* */ +/* cidparse.c */ +/* */ +/* CID-keyed Type1 parser (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_STREAM_H + +#include "cidparse.h" + +#include "ciderrs.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cidparse + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** INPUT STREAM PARSER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + +#define STARTDATA "StartData" +#define STARTDATA_LEN ( sizeof ( STARTDATA ) - 1 ) +#define SFNTS "/sfnts" +#define SFNTS_LEN ( sizeof ( SFNTS ) - 1 ) + + + FT_LOCAL_DEF( FT_Error ) + cid_parser_new( CID_Parser* parser, + FT_Stream stream, + FT_Memory memory, + PSAux_Service psaux ) + { + FT_Error error; + FT_ULong base_offset, offset, ps_len; + FT_Byte *cur, *limit; + FT_Byte *arg1, *arg2; + + + FT_ZERO( parser ); + psaux->ps_parser_funcs->init( &parser->root, 0, 0, memory ); + + parser->stream = stream; + + base_offset = FT_STREAM_POS(); + + /* first of all, check the font format in the header */ + if ( FT_FRAME_ENTER( 31 ) ) + goto Exit; + + if ( ft_strncmp( (char *)stream->cursor, + "%!PS-Adobe-3.0 Resource-CIDFont", 31 ) ) + { + FT_TRACE2(( " not a CID-keyed font\n" )); + error = FT_THROW( Unknown_File_Format ); + } + + FT_FRAME_EXIT(); + if ( error ) + goto Exit; + + Again: + /* now, read the rest of the file until we find */ + /* `StartData' or `/sfnts' */ + { + /* + * The algorithm is as follows (omitting the case with less than 256 + * bytes to fill for simplicity). + * + * 1. Fill the buffer with 256 + STARTDATA_LEN bytes. + * + * 2. Search for the STARTDATA and SFNTS strings at positions + * buffer[0], buffer[1], ..., + * buffer[255 + STARTDATA_LEN - SFNTS_LEN]. + * + * 3. Move the last STARTDATA_LEN bytes to buffer[0]. + * + * 4. Fill the buffer with 256 bytes, starting at STARTDATA_LEN. + * + * 5. Repeat with step 2. + * + */ + FT_Byte buffer[256 + STARTDATA_LEN + 1]; + + /* values for the first loop */ + FT_ULong read_len = 256 + STARTDATA_LEN; + FT_ULong read_offset = 0; + FT_Byte* p = buffer; + + + for ( offset = FT_STREAM_POS(); ; offset += 256 ) + { + FT_ULong stream_len; + + + stream_len = stream->size - FT_STREAM_POS(); + + read_len = FT_MIN( read_len, stream_len ); + if ( FT_STREAM_READ( p, read_len ) ) + goto Exit; + + /* ensure that we do not compare with data beyond the buffer */ + p[read_len] = '\0'; + + limit = p + read_len - SFNTS_LEN; + + for ( p = buffer; p < limit; p++ ) + { + if ( p[0] == 'S' && + ft_strncmp( (char*)p, STARTDATA, STARTDATA_LEN ) == 0 ) + { + /* save offset of binary data after `StartData' */ + offset += (FT_ULong)( p - buffer ) + STARTDATA_LEN + 1; + goto Found; + } + else if ( p[1] == 's' && + ft_strncmp( (char*)p, SFNTS, SFNTS_LEN ) == 0 ) + { + offset += (FT_ULong)( p - buffer ) + SFNTS_LEN + 1; + goto Found; + } + } + + if ( read_offset + read_len < STARTDATA_LEN ) + { + FT_TRACE2(( "cid_parser_new: no `StartData' keyword found\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + FT_MEM_MOVE( buffer, + buffer + read_offset + read_len - STARTDATA_LEN, + STARTDATA_LEN ); + + /* values for the next loop */ + read_len = 256; + read_offset = STARTDATA_LEN; + p = buffer + read_offset; + } + } + + Found: + /* We have found the start of the binary data or the `/sfnts' token. */ + /* Now rewind and extract the frame corresponding to this PostScript */ + /* section. */ + + ps_len = offset - base_offset; + if ( FT_STREAM_SEEK( base_offset ) || + FT_FRAME_EXTRACT( ps_len, parser->postscript ) ) + goto Exit; + + parser->data_offset = offset; + parser->postscript_len = ps_len; + parser->root.base = parser->postscript; + parser->root.cursor = parser->postscript; + parser->root.limit = parser->root.cursor + ps_len; + parser->num_dict = -1; + + /* Finally, we check whether `StartData' or `/sfnts' was real -- */ + /* it could be in a comment or string. We also get the arguments */ + /* of `StartData' to find out whether the data is represented in */ + /* binary or hex format. */ + + arg1 = parser->root.cursor; + cid_parser_skip_PS_token( parser ); + cid_parser_skip_spaces ( parser ); + arg2 = parser->root.cursor; + cid_parser_skip_PS_token( parser ); + cid_parser_skip_spaces ( parser ); + + limit = parser->root.limit; + cur = parser->root.cursor; + + while ( cur <= limit - SFNTS_LEN ) + { + if ( parser->root.error ) + { + error = parser->root.error; + goto Exit; + } + + if ( cur[0] == 'S' && + cur <= limit - STARTDATA_LEN && + ft_strncmp( (char*)cur, STARTDATA, STARTDATA_LEN ) == 0 ) + { + if ( ft_strncmp( (char*)arg1, "(Hex)", 5 ) == 0 ) + { + FT_Long tmp = ft_strtol( (const char *)arg2, NULL, 10 ); + + + if ( tmp < 0 ) + { + FT_ERROR(( "cid_parser_new: invalid length of hex data\n" )); + error = FT_THROW( Invalid_File_Format ); + } + else + parser->binary_length = (FT_ULong)tmp; + } + + goto Exit; + } + else if ( cur[1] == 's' && + ft_strncmp( (char*)cur, SFNTS, SFNTS_LEN ) == 0 ) + { + FT_TRACE2(( "cid_parser_new: cannot handle Type 11 fonts\n" )); + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + + cid_parser_skip_PS_token( parser ); + cid_parser_skip_spaces ( parser ); + arg1 = arg2; + arg2 = cur; + cur = parser->root.cursor; + } + + /* we haven't found the correct `StartData'; go back and continue */ + /* searching */ + FT_FRAME_RELEASE( parser->postscript ); + if ( !FT_STREAM_SEEK( offset ) ) + goto Again; + + Exit: + return error; + } + + +#undef STARTDATA +#undef STARTDATA_LEN +#undef SFNTS +#undef SFNTS_LEN + + + FT_LOCAL_DEF( void ) + cid_parser_done( CID_Parser* parser ) + { + /* always free the private dictionary */ + if ( parser->postscript ) + { + FT_Stream stream = parser->stream; + + + FT_FRAME_RELEASE( parser->postscript ); + } + parser->root.funcs.done( &parser->root ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidparse.h b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidparse.h new file mode 100644 index 00000000000..61602f76741 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidparse.h @@ -0,0 +1,123 @@ +/***************************************************************************/ +/* */ +/* cidparse.h */ +/* */ +/* CID-keyed Type1 parser (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CIDPARSE_H_ +#define CIDPARSE_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_TYPE1_TYPES_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* CID_Parser */ + /* */ + /* <Description> */ + /* A CID_Parser is an object used to parse a Type 1 fonts very */ + /* quickly. */ + /* */ + /* <Fields> */ + /* root :: The root PS_ParserRec fields. */ + /* */ + /* stream :: The current input stream. */ + /* */ + /* postscript :: A pointer to the data to be parsed. */ + /* */ + /* postscript_len :: The length of the data to be parsed. */ + /* */ + /* data_offset :: The start position of the binary data (i.e., the */ + /* end of the data to be parsed. */ + /* */ + /* binary_length :: The length of the data after the `StartData' */ + /* command if the data format is hexadecimal. */ + /* */ + /* cid :: A structure which holds the information about */ + /* the current font. */ + /* */ + /* num_dict :: The number of font dictionaries. */ + /* */ + typedef struct CID_Parser_ + { + PS_ParserRec root; + FT_Stream stream; + + FT_Byte* postscript; + FT_ULong postscript_len; + + FT_ULong data_offset; + + FT_ULong binary_length; + + CID_FaceInfo cid; + FT_Int num_dict; + + } CID_Parser; + + + FT_LOCAL( FT_Error ) + cid_parser_new( CID_Parser* parser, + FT_Stream stream, + FT_Memory memory, + PSAux_Service psaux ); + + FT_LOCAL( void ) + cid_parser_done( CID_Parser* parser ); + + + /*************************************************************************/ + /* */ + /* PARSING ROUTINES */ + /* */ + /*************************************************************************/ + +#define cid_parser_skip_spaces( p ) \ + (p)->root.funcs.skip_spaces( &(p)->root ) +#define cid_parser_skip_PS_token( p ) \ + (p)->root.funcs.skip_PS_token( &(p)->root ) + +#define cid_parser_to_int( p ) (p)->root.funcs.to_int( &(p)->root ) +#define cid_parser_to_fixed( p, t ) (p)->root.funcs.to_fixed( &(p)->root, t ) + +#define cid_parser_to_coord_array( p, m, c ) \ + (p)->root.funcs.to_coord_array( &(p)->root, m, c ) +#define cid_parser_to_fixed_array( p, m, f, t ) \ + (p)->root.funcs.to_fixed_array( &(p)->root, m, f, t ) +#define cid_parser_to_token( p, t ) \ + (p)->root.funcs.to_token( &(p)->root, t ) +#define cid_parser_to_token_array( p, t, m, c ) \ + (p)->root.funcs.to_token_array( &(p)->root, t, m, c ) + +#define cid_parser_load_field( p, f, o ) \ + (p)->root.funcs.load_field( &(p)->root, f, o, 0, 0 ) +#define cid_parser_load_field_table( p, f, o ) \ + (p)->root.funcs.load_field_table( &(p)->root, f, o, 0, 0 ) + + +FT_END_HEADER + +#endif /* CIDPARSE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidriver.c b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidriver.c new file mode 100644 index 00000000000..d9faf353ea4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidriver.c @@ -0,0 +1,256 @@ +/***************************************************************************/ +/* */ +/* cidriver.c */ +/* */ +/* CID driver interface (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include "cidriver.h" +#include "cidgload.h" +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_POSTSCRIPT_PROPS_H + +#include "ciderrs.h" + +#include FT_SERVICE_POSTSCRIPT_NAME_H +#include FT_SERVICE_FONT_FORMAT_H +#include FT_SERVICE_POSTSCRIPT_INFO_H +#include FT_SERVICE_CID_H +#include FT_SERVICE_PROPERTIES_H +#include FT_DRIVER_H + +#include FT_INTERNAL_POSTSCRIPT_AUX_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ciddriver + + + /* + * POSTSCRIPT NAME SERVICE + * + */ + + static const char* + cid_get_postscript_name( CID_Face face ) + { + const char* result = face->cid.cid_font_name; + + + if ( result && result[0] == '/' ) + result++; + + return result; + } + + + static const FT_Service_PsFontNameRec cid_service_ps_name = + { + (FT_PsName_GetFunc)cid_get_postscript_name /* get_ps_font_name */ + }; + + + /* + * POSTSCRIPT INFO SERVICE + * + */ + + static FT_Error + cid_ps_get_font_info( FT_Face face, + PS_FontInfoRec* afont_info ) + { + *afont_info = ((CID_Face)face)->cid.font_info; + + return FT_Err_Ok; + } + + static FT_Error + cid_ps_get_font_extra( FT_Face face, + PS_FontExtraRec* afont_extra ) + { + *afont_extra = ((CID_Face)face)->font_extra; + + return FT_Err_Ok; + } + + static const FT_Service_PsInfoRec cid_service_ps_info = + { + (PS_GetFontInfoFunc) cid_ps_get_font_info, /* ps_get_font_info */ + (PS_GetFontExtraFunc) cid_ps_get_font_extra, /* ps_get_font_extra */ + /* unsupported with CID fonts */ + (PS_HasGlyphNamesFunc) NULL, /* ps_has_glyph_names */ + /* unsupported */ + (PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */ + /* not implemented */ + (PS_GetFontValueFunc) NULL /* ps_get_font_value */ + }; + + + /* + * CID INFO SERVICE + * + */ + static FT_Error + cid_get_ros( CID_Face face, + const char* *registry, + const char* *ordering, + FT_Int *supplement ) + { + CID_FaceInfo cid = &face->cid; + + + if ( registry ) + *registry = cid->registry; + + if ( ordering ) + *ordering = cid->ordering; + + if ( supplement ) + *supplement = cid->supplement; + + return FT_Err_Ok; + } + + + static FT_Error + cid_get_is_cid( CID_Face face, + FT_Bool *is_cid ) + { + FT_Error error = FT_Err_Ok; + FT_UNUSED( face ); + + + if ( is_cid ) + *is_cid = 1; /* cid driver is only used for CID keyed fonts */ + + return error; + } + + + static FT_Error + cid_get_cid_from_glyph_index( CID_Face face, + FT_UInt glyph_index, + FT_UInt *cid ) + { + FT_Error error = FT_Err_Ok; + FT_UNUSED( face ); + + + if ( cid ) + *cid = glyph_index; /* identity mapping */ + + return error; + } + + + static const FT_Service_CIDRec cid_service_cid_info = + { + (FT_CID_GetRegistryOrderingSupplementFunc) + cid_get_ros, /* get_ros */ + (FT_CID_GetIsInternallyCIDKeyedFunc) + cid_get_is_cid, /* get_is_cid */ + (FT_CID_GetCIDFromGlyphIndexFunc) + cid_get_cid_from_glyph_index /* get_cid_from_glyph_index */ + }; + + + /* + * PROPERTY SERVICE + * + */ + + FT_DEFINE_SERVICE_PROPERTIESREC( + cid_service_properties, + + (FT_Properties_SetFunc)ps_property_set, /* set_property */ + (FT_Properties_GetFunc)ps_property_get ) /* get_property */ + + + /* + * SERVICE LIST + * + */ + + static const FT_ServiceDescRec cid_services[] = + { + { FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CID }, + { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name }, + { FT_SERVICE_ID_POSTSCRIPT_INFO, &cid_service_ps_info }, + { FT_SERVICE_ID_CID, &cid_service_cid_info }, + { FT_SERVICE_ID_PROPERTIES, &cid_service_properties }, + { NULL, NULL } + }; + + + FT_CALLBACK_DEF( FT_Module_Interface ) + cid_get_interface( FT_Module module, + const char* cid_interface ) + { + FT_UNUSED( module ); + + return ft_service_list_lookup( cid_services, cid_interface ); + } + + + + FT_CALLBACK_TABLE_DEF + const FT_Driver_ClassRec t1cid_driver_class = + { + { + FT_MODULE_FONT_DRIVER | + FT_MODULE_DRIVER_SCALABLE | + FT_MODULE_DRIVER_HAS_HINTER, + sizeof ( PS_DriverRec ), + + "t1cid", /* module name */ + 0x10000L, /* version 1.0 of driver */ + 0x20000L, /* requires FreeType 2.0 */ + + NULL, /* module-specific interface */ + + cid_driver_init, /* FT_Module_Constructor module_init */ + cid_driver_done, /* FT_Module_Destructor module_done */ + cid_get_interface /* FT_Module_Requester get_interface */ + }, + + sizeof ( CID_FaceRec ), + sizeof ( CID_SizeRec ), + sizeof ( CID_GlyphSlotRec ), + + cid_face_init, /* FT_Face_InitFunc init_face */ + cid_face_done, /* FT_Face_DoneFunc done_face */ + cid_size_init, /* FT_Size_InitFunc init_size */ + cid_size_done, /* FT_Size_DoneFunc done_size */ + cid_slot_init, /* FT_Slot_InitFunc init_slot */ + cid_slot_done, /* FT_Slot_DoneFunc done_slot */ + + cid_slot_load_glyph, /* FT_Slot_LoadFunc load_glyph */ + + NULL, /* FT_Face_GetKerningFunc get_kerning */ + NULL, /* FT_Face_AttachFunc attach_file */ + NULL, /* FT_Face_GetAdvancesFunc get_advances */ + + cid_size_request, /* FT_Size_RequestFunc request_size */ + NULL /* FT_Size_SelectFunc select_size */ + }; + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidriver.h b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidriver.h new file mode 100644 index 00000000000..59d9ded9015 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidriver.h @@ -0,0 +1,43 @@ +/***************************************************************************/ +/* */ +/* cidriver.h */ +/* */ +/* High-level CID driver interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CIDRIVER_H_ +#define CIDRIVER_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_DRIVER_H + + +FT_BEGIN_HEADER + +#ifdef FT_CONFIG_OPTION_PIC +#error "this module does not support PIC yet" +#endif + + + FT_CALLBACK_TABLE + const FT_Driver_ClassRec t1cid_driver_class; + + +FT_END_HEADER + +#endif /* CIDRIVER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidtoken.h b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidtoken.h new file mode 100644 index 00000000000..b0e2dac6aaf --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/cid/cidtoken.h @@ -0,0 +1,112 @@ +/***************************************************************************/ +/* */ +/* cidtoken.h */ +/* */ +/* CID token definitions (specification only). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#undef FT_STRUCTURE +#define FT_STRUCTURE CID_FaceInfoRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_CID_INFO + + T1_FIELD_KEY ( "CIDFontName", cid_font_name, 0 ) + T1_FIELD_FIXED ( "CIDFontVersion", cid_version, 0 ) + T1_FIELD_NUM ( "CIDFontType", cid_font_type, 0 ) + T1_FIELD_STRING( "Registry", registry, 0 ) + T1_FIELD_STRING( "Ordering", ordering, 0 ) + T1_FIELD_NUM ( "Supplement", supplement, 0 ) + T1_FIELD_NUM ( "UIDBase", uid_base, 0 ) + T1_FIELD_NUM ( "CIDMapOffset", cidmap_offset, 0 ) + T1_FIELD_NUM ( "FDBytes", fd_bytes, 0 ) + T1_FIELD_NUM ( "GDBytes", gd_bytes, 0 ) + T1_FIELD_NUM ( "CIDCount", cid_count, 0 ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE PS_FontInfoRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_FONT_INFO + + T1_FIELD_STRING( "version", version, 0 ) + T1_FIELD_STRING( "Notice", notice, 0 ) + T1_FIELD_STRING( "FullName", full_name, 0 ) + T1_FIELD_STRING( "FamilyName", family_name, 0 ) + T1_FIELD_STRING( "Weight", weight, 0 ) + T1_FIELD_NUM ( "ItalicAngle", italic_angle, 0 ) + T1_FIELD_BOOL ( "isFixedPitch", is_fixed_pitch, 0 ) + T1_FIELD_NUM ( "UnderlinePosition", underline_position, 0 ) + T1_FIELD_NUM ( "UnderlineThickness", underline_thickness, 0 ) + +#undef FT_STRUCTURE +#define FT_STRUCTURE PS_FontExtraRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_FONT_EXTRA + + T1_FIELD_NUM ( "FSType", fs_type, 0 ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE CID_FaceDictRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_FONT_DICT + + T1_FIELD_NUM ( "PaintType", paint_type, 0 ) + T1_FIELD_NUM ( "FontType", font_type, 0 ) + T1_FIELD_NUM ( "SubrMapOffset", subrmap_offset, 0 ) + T1_FIELD_NUM ( "SDBytes", sd_bytes, 0 ) + T1_FIELD_NUM ( "SubrCount", num_subrs, 0 ) + T1_FIELD_NUM ( "lenBuildCharArray", len_buildchar, 0 ) + T1_FIELD_FIXED( "ForceBoldThreshold", forcebold_threshold, 0 ) + T1_FIELD_FIXED( "StrokeWidth", stroke_width, 0 ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE PS_PrivateRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_PRIVATE + + T1_FIELD_NUM ( "UniqueID", unique_id, 0 ) + T1_FIELD_NUM ( "lenIV", lenIV, 0 ) + T1_FIELD_NUM ( "LanguageGroup", language_group, 0 ) + T1_FIELD_NUM ( "password", password, 0 ) + + T1_FIELD_FIXED_1000( "BlueScale", blue_scale, 0 ) + T1_FIELD_NUM ( "BlueShift", blue_shift, 0 ) + T1_FIELD_NUM ( "BlueFuzz", blue_fuzz, 0 ) + + T1_FIELD_NUM_TABLE ( "BlueValues", blue_values, 14, 0 ) + T1_FIELD_NUM_TABLE ( "OtherBlues", other_blues, 10, 0 ) + T1_FIELD_NUM_TABLE ( "FamilyBlues", family_blues, 14, 0 ) + T1_FIELD_NUM_TABLE ( "FamilyOtherBlues", family_other_blues, 10, 0 ) + + T1_FIELD_NUM_TABLE2( "StdHW", standard_width, 1, 0 ) + T1_FIELD_NUM_TABLE2( "StdVW", standard_height, 1, 0 ) + T1_FIELD_NUM_TABLE2( "MinFeature", min_feature, 2, 0 ) + + T1_FIELD_NUM_TABLE ( "StemSnapH", snap_widths, 12, 0 ) + T1_FIELD_NUM_TABLE ( "StemSnapV", snap_heights, 12, 0 ) + + T1_FIELD_BOOL ( "ForceBold", force_bold, 0 ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE FT_BBox +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_BBOX + + T1_FIELD_BBOX( "FontBBox", xMin, 0 ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/afmparse.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/afmparse.c new file mode 100644 index 00000000000..0c33d5949bc --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/afmparse.c @@ -0,0 +1,986 @@ +/***************************************************************************/ +/* */ +/* afmparse.c */ +/* */ +/* AFM parser (body). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H + +#ifndef T1_CONFIG_OPTION_NO_AFM + +#include "afmparse.h" +#include "psconv.h" + +#include "psauxerr.h" + + +/***************************************************************************/ +/* */ +/* AFM_Stream */ +/* */ +/* The use of AFM_Stream is largely inspired by parseAFM.[ch] from t1lib. */ +/* */ +/* */ + + enum + { + AFM_STREAM_STATUS_NORMAL, + AFM_STREAM_STATUS_EOC, + AFM_STREAM_STATUS_EOL, + AFM_STREAM_STATUS_EOF + }; + + + typedef struct AFM_StreamRec_ + { + FT_Byte* cursor; + FT_Byte* base; + FT_Byte* limit; + + FT_Int status; + + } AFM_StreamRec; + + +#ifndef EOF +#define EOF -1 +#endif + + + /* this works because empty lines are ignored */ +#define AFM_IS_NEWLINE( ch ) ( (ch) == '\r' || (ch) == '\n' ) + +#define AFM_IS_EOF( ch ) ( (ch) == EOF || (ch) == '\x1a' ) +#define AFM_IS_SPACE( ch ) ( (ch) == ' ' || (ch) == '\t' ) + + /* column separator; there is no `column' in the spec actually */ +#define AFM_IS_SEP( ch ) ( (ch) == ';' ) + +#define AFM_GETC() \ + ( ( (stream)->cursor < (stream)->limit ) ? *(stream)->cursor++ \ + : EOF ) + +#define AFM_STREAM_KEY_BEGIN( stream ) \ + (char*)( (stream)->cursor - 1 ) + +#define AFM_STREAM_KEY_LEN( stream, key ) \ + (FT_Offset)( (char*)(stream)->cursor - key - 1 ) + +#define AFM_STATUS_EOC( stream ) \ + ( (stream)->status >= AFM_STREAM_STATUS_EOC ) + +#define AFM_STATUS_EOL( stream ) \ + ( (stream)->status >= AFM_STREAM_STATUS_EOL ) + +#define AFM_STATUS_EOF( stream ) \ + ( (stream)->status >= AFM_STREAM_STATUS_EOF ) + + + static int + afm_stream_skip_spaces( AFM_Stream stream ) + { + int ch = 0; /* make stupid compiler happy */ + + + if ( AFM_STATUS_EOC( stream ) ) + return ';'; + + while ( 1 ) + { + ch = AFM_GETC(); + if ( !AFM_IS_SPACE( ch ) ) + break; + } + + if ( AFM_IS_NEWLINE( ch ) ) + stream->status = AFM_STREAM_STATUS_EOL; + else if ( AFM_IS_SEP( ch ) ) + stream->status = AFM_STREAM_STATUS_EOC; + else if ( AFM_IS_EOF( ch ) ) + stream->status = AFM_STREAM_STATUS_EOF; + + return ch; + } + + + /* read a key or value in current column */ + static char* + afm_stream_read_one( AFM_Stream stream ) + { + char* str; + + + afm_stream_skip_spaces( stream ); + if ( AFM_STATUS_EOC( stream ) ) + return NULL; + + str = AFM_STREAM_KEY_BEGIN( stream ); + + while ( 1 ) + { + int ch = AFM_GETC(); + + + if ( AFM_IS_SPACE( ch ) ) + break; + else if ( AFM_IS_NEWLINE( ch ) ) + { + stream->status = AFM_STREAM_STATUS_EOL; + break; + } + else if ( AFM_IS_SEP( ch ) ) + { + stream->status = AFM_STREAM_STATUS_EOC; + break; + } + else if ( AFM_IS_EOF( ch ) ) + { + stream->status = AFM_STREAM_STATUS_EOF; + break; + } + } + + return str; + } + + + /* read a string (i.e., read to EOL) */ + static char* + afm_stream_read_string( AFM_Stream stream ) + { + char* str; + + + afm_stream_skip_spaces( stream ); + if ( AFM_STATUS_EOL( stream ) ) + return NULL; + + str = AFM_STREAM_KEY_BEGIN( stream ); + + /* scan to eol */ + while ( 1 ) + { + int ch = AFM_GETC(); + + + if ( AFM_IS_NEWLINE( ch ) ) + { + stream->status = AFM_STREAM_STATUS_EOL; + break; + } + else if ( AFM_IS_EOF( ch ) ) + { + stream->status = AFM_STREAM_STATUS_EOF; + break; + } + } + + return str; + } + + + /*************************************************************************/ + /* */ + /* AFM_Parser */ + /* */ + /* */ + + /* all keys defined in Ch. 7-10 of 5004.AFM_Spec.pdf */ + typedef enum AFM_Token_ + { + AFM_TOKEN_ASCENDER, + AFM_TOKEN_AXISLABEL, + AFM_TOKEN_AXISTYPE, + AFM_TOKEN_B, + AFM_TOKEN_BLENDAXISTYPES, + AFM_TOKEN_BLENDDESIGNMAP, + AFM_TOKEN_BLENDDESIGNPOSITIONS, + AFM_TOKEN_C, + AFM_TOKEN_CC, + AFM_TOKEN_CH, + AFM_TOKEN_CAPHEIGHT, + AFM_TOKEN_CHARWIDTH, + AFM_TOKEN_CHARACTERSET, + AFM_TOKEN_CHARACTERS, + AFM_TOKEN_DESCENDER, + AFM_TOKEN_ENCODINGSCHEME, + AFM_TOKEN_ENDAXIS, + AFM_TOKEN_ENDCHARMETRICS, + AFM_TOKEN_ENDCOMPOSITES, + AFM_TOKEN_ENDDIRECTION, + AFM_TOKEN_ENDFONTMETRICS, + AFM_TOKEN_ENDKERNDATA, + AFM_TOKEN_ENDKERNPAIRS, + AFM_TOKEN_ENDTRACKKERN, + AFM_TOKEN_ESCCHAR, + AFM_TOKEN_FAMILYNAME, + AFM_TOKEN_FONTBBOX, + AFM_TOKEN_FONTNAME, + AFM_TOKEN_FULLNAME, + AFM_TOKEN_ISBASEFONT, + AFM_TOKEN_ISCIDFONT, + AFM_TOKEN_ISFIXEDPITCH, + AFM_TOKEN_ISFIXEDV, + AFM_TOKEN_ITALICANGLE, + AFM_TOKEN_KP, + AFM_TOKEN_KPH, + AFM_TOKEN_KPX, + AFM_TOKEN_KPY, + AFM_TOKEN_L, + AFM_TOKEN_MAPPINGSCHEME, + AFM_TOKEN_METRICSSETS, + AFM_TOKEN_N, + AFM_TOKEN_NOTICE, + AFM_TOKEN_PCC, + AFM_TOKEN_STARTAXIS, + AFM_TOKEN_STARTCHARMETRICS, + AFM_TOKEN_STARTCOMPOSITES, + AFM_TOKEN_STARTDIRECTION, + AFM_TOKEN_STARTFONTMETRICS, + AFM_TOKEN_STARTKERNDATA, + AFM_TOKEN_STARTKERNPAIRS, + AFM_TOKEN_STARTKERNPAIRS0, + AFM_TOKEN_STARTKERNPAIRS1, + AFM_TOKEN_STARTTRACKKERN, + AFM_TOKEN_STDHW, + AFM_TOKEN_STDVW, + AFM_TOKEN_TRACKKERN, + AFM_TOKEN_UNDERLINEPOSITION, + AFM_TOKEN_UNDERLINETHICKNESS, + AFM_TOKEN_VV, + AFM_TOKEN_VVECTOR, + AFM_TOKEN_VERSION, + AFM_TOKEN_W, + AFM_TOKEN_W0, + AFM_TOKEN_W0X, + AFM_TOKEN_W0Y, + AFM_TOKEN_W1, + AFM_TOKEN_W1X, + AFM_TOKEN_W1Y, + AFM_TOKEN_WX, + AFM_TOKEN_WY, + AFM_TOKEN_WEIGHT, + AFM_TOKEN_WEIGHTVECTOR, + AFM_TOKEN_XHEIGHT, + N_AFM_TOKENS, + AFM_TOKEN_UNKNOWN + + } AFM_Token; + + + static const char* const afm_key_table[N_AFM_TOKENS] = + { + "Ascender", + "AxisLabel", + "AxisType", + "B", + "BlendAxisTypes", + "BlendDesignMap", + "BlendDesignPositions", + "C", + "CC", + "CH", + "CapHeight", + "CharWidth", + "CharacterSet", + "Characters", + "Descender", + "EncodingScheme", + "EndAxis", + "EndCharMetrics", + "EndComposites", + "EndDirection", + "EndFontMetrics", + "EndKernData", + "EndKernPairs", + "EndTrackKern", + "EscChar", + "FamilyName", + "FontBBox", + "FontName", + "FullName", + "IsBaseFont", + "IsCIDFont", + "IsFixedPitch", + "IsFixedV", + "ItalicAngle", + "KP", + "KPH", + "KPX", + "KPY", + "L", + "MappingScheme", + "MetricsSets", + "N", + "Notice", + "PCC", + "StartAxis", + "StartCharMetrics", + "StartComposites", + "StartDirection", + "StartFontMetrics", + "StartKernData", + "StartKernPairs", + "StartKernPairs0", + "StartKernPairs1", + "StartTrackKern", + "StdHW", + "StdVW", + "TrackKern", + "UnderlinePosition", + "UnderlineThickness", + "VV", + "VVector", + "Version", + "W", + "W0", + "W0X", + "W0Y", + "W1", + "W1X", + "W1Y", + "WX", + "WY", + "Weight", + "WeightVector", + "XHeight" + }; + + + /* + * `afm_parser_read_vals' and `afm_parser_next_key' provide + * high-level operations to an AFM_Stream. The rest of the + * parser functions should use them without accessing the + * AFM_Stream directly. + */ + + FT_LOCAL_DEF( FT_Int ) + afm_parser_read_vals( AFM_Parser parser, + AFM_Value vals, + FT_Int n ) + { + AFM_Stream stream = parser->stream; + char* str; + FT_Int i; + + + if ( n > AFM_MAX_ARGUMENTS ) + return 0; + + for ( i = 0; i < n; i++ ) + { + FT_Offset len; + AFM_Value val = vals + i; + + + if ( val->type == AFM_VALUE_TYPE_STRING ) + str = afm_stream_read_string( stream ); + else + str = afm_stream_read_one( stream ); + + if ( !str ) + break; + + len = AFM_STREAM_KEY_LEN( stream, str ); + + switch ( val->type ) + { + case AFM_VALUE_TYPE_STRING: + case AFM_VALUE_TYPE_NAME: + { + FT_Memory memory = parser->memory; + FT_Error error; + + + if ( !FT_QALLOC( val->u.s, len + 1 ) ) + { + ft_memcpy( val->u.s, str, len ); + val->u.s[len] = '\0'; + } + } + break; + + case AFM_VALUE_TYPE_FIXED: + val->u.f = PS_Conv_ToFixed( (FT_Byte**)(void*)&str, + (FT_Byte*)str + len, 0 ); + break; + + case AFM_VALUE_TYPE_INTEGER: + val->u.i = PS_Conv_ToInt( (FT_Byte**)(void*)&str, + (FT_Byte*)str + len ); + break; + + case AFM_VALUE_TYPE_BOOL: + val->u.b = FT_BOOL( len == 4 && + !ft_strncmp( str, "true", 4 ) ); + break; + + case AFM_VALUE_TYPE_INDEX: + if ( parser->get_index ) + val->u.i = parser->get_index( str, len, parser->user_data ); + else + val->u.i = 0; + break; + } + } + + return i; + } + + + FT_LOCAL_DEF( char* ) + afm_parser_next_key( AFM_Parser parser, + FT_Bool line, + FT_Offset* len ) + { + AFM_Stream stream = parser->stream; + char* key = NULL; /* make stupid compiler happy */ + + + if ( line ) + { + while ( 1 ) + { + /* skip current line */ + if ( !AFM_STATUS_EOL( stream ) ) + afm_stream_read_string( stream ); + + stream->status = AFM_STREAM_STATUS_NORMAL; + key = afm_stream_read_one( stream ); + + /* skip empty line */ + if ( !key && + !AFM_STATUS_EOF( stream ) && + AFM_STATUS_EOL( stream ) ) + continue; + + break; + } + } + else + { + while ( 1 ) + { + /* skip current column */ + while ( !AFM_STATUS_EOC( stream ) ) + afm_stream_read_one( stream ); + + stream->status = AFM_STREAM_STATUS_NORMAL; + key = afm_stream_read_one( stream ); + + /* skip empty column */ + if ( !key && + !AFM_STATUS_EOF( stream ) && + AFM_STATUS_EOC( stream ) ) + continue; + + break; + } + } + + if ( len ) + *len = ( key ) ? (FT_Offset)AFM_STREAM_KEY_LEN( stream, key ) + : 0; + + return key; + } + + + static AFM_Token + afm_tokenize( const char* key, + FT_Offset len ) + { + int n; + + + for ( n = 0; n < N_AFM_TOKENS; n++ ) + { + if ( *( afm_key_table[n] ) == *key ) + { + for ( ; n < N_AFM_TOKENS; n++ ) + { + if ( *( afm_key_table[n] ) != *key ) + return AFM_TOKEN_UNKNOWN; + + if ( ft_strncmp( afm_key_table[n], key, len ) == 0 ) + return (AFM_Token) n; + } + } + } + + return AFM_TOKEN_UNKNOWN; + } + + + FT_LOCAL_DEF( FT_Error ) + afm_parser_init( AFM_Parser parser, + FT_Memory memory, + FT_Byte* base, + FT_Byte* limit ) + { + AFM_Stream stream = NULL; + FT_Error error; + + + if ( FT_NEW( stream ) ) + return error; + + stream->cursor = stream->base = base; + stream->limit = limit; + + /* don't skip the first line during the first call */ + stream->status = AFM_STREAM_STATUS_EOL; + + parser->memory = memory; + parser->stream = stream; + parser->FontInfo = NULL; + parser->get_index = NULL; + + return FT_Err_Ok; + } + + + FT_LOCAL( void ) + afm_parser_done( AFM_Parser parser ) + { + FT_Memory memory = parser->memory; + + + FT_FREE( parser->stream ); + } + + + static FT_Error + afm_parser_read_int( AFM_Parser parser, + FT_Int* aint ) + { + AFM_ValueRec val; + + + val.type = AFM_VALUE_TYPE_INTEGER; + + if ( afm_parser_read_vals( parser, &val, 1 ) == 1 ) + { + *aint = val.u.i; + + return FT_Err_Ok; + } + else + return FT_THROW( Syntax_Error ); + } + + + static FT_Error + afm_parse_track_kern( AFM_Parser parser ) + { + AFM_FontInfo fi = parser->FontInfo; + AFM_TrackKern tk; + char* key; + FT_Offset len; + int n = -1; + FT_Int tmp; + + + if ( afm_parser_read_int( parser, &tmp ) ) + goto Fail; + + if ( tmp < 0 ) + goto Fail; + + fi->NumTrackKern = (FT_UInt)tmp; + + if ( fi->NumTrackKern ) + { + FT_Memory memory = parser->memory; + FT_Error error; + + + if ( FT_QNEW_ARRAY( fi->TrackKerns, fi->NumTrackKern ) ) + return error; + } + + while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 ) + { + AFM_ValueRec shared_vals[5]; + + + switch ( afm_tokenize( key, len ) ) + { + case AFM_TOKEN_TRACKKERN: + n++; + + if ( n >= (int)fi->NumTrackKern ) + goto Fail; + + tk = fi->TrackKerns + n; + + shared_vals[0].type = AFM_VALUE_TYPE_INTEGER; + shared_vals[1].type = AFM_VALUE_TYPE_FIXED; + shared_vals[2].type = AFM_VALUE_TYPE_FIXED; + shared_vals[3].type = AFM_VALUE_TYPE_FIXED; + shared_vals[4].type = AFM_VALUE_TYPE_FIXED; + if ( afm_parser_read_vals( parser, shared_vals, 5 ) != 5 ) + goto Fail; + + tk->degree = shared_vals[0].u.i; + tk->min_ptsize = shared_vals[1].u.f; + tk->min_kern = shared_vals[2].u.f; + tk->max_ptsize = shared_vals[3].u.f; + tk->max_kern = shared_vals[4].u.f; + + break; + + case AFM_TOKEN_ENDTRACKKERN: + case AFM_TOKEN_ENDKERNDATA: + case AFM_TOKEN_ENDFONTMETRICS: + fi->NumTrackKern = (FT_UInt)( n + 1 ); + return FT_Err_Ok; + + case AFM_TOKEN_UNKNOWN: + break; + + default: + goto Fail; + } + } + + Fail: + return FT_THROW( Syntax_Error ); + } + + +#undef KERN_INDEX +#define KERN_INDEX( g1, g2 ) ( ( (FT_ULong)g1 << 16 ) | g2 ) + + + /* compare two kerning pairs */ + FT_CALLBACK_DEF( int ) + afm_compare_kern_pairs( const void* a, + const void* b ) + { + AFM_KernPair kp1 = (AFM_KernPair)a; + AFM_KernPair kp2 = (AFM_KernPair)b; + + FT_ULong index1 = KERN_INDEX( kp1->index1, kp1->index2 ); + FT_ULong index2 = KERN_INDEX( kp2->index1, kp2->index2 ); + + + if ( index1 > index2 ) + return 1; + else if ( index1 < index2 ) + return -1; + else + return 0; + } + + + static FT_Error + afm_parse_kern_pairs( AFM_Parser parser ) + { + AFM_FontInfo fi = parser->FontInfo; + AFM_KernPair kp; + char* key; + FT_Offset len; + int n = -1; + FT_Int tmp; + + + if ( afm_parser_read_int( parser, &tmp ) ) + goto Fail; + + if ( tmp < 0 ) + goto Fail; + + fi->NumKernPair = (FT_UInt)tmp; + + if ( fi->NumKernPair ) + { + FT_Memory memory = parser->memory; + FT_Error error; + + + if ( FT_QNEW_ARRAY( fi->KernPairs, fi->NumKernPair ) ) + return error; + } + + while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 ) + { + AFM_Token token = afm_tokenize( key, len ); + + + switch ( token ) + { + case AFM_TOKEN_KP: + case AFM_TOKEN_KPX: + case AFM_TOKEN_KPY: + { + FT_Int r; + AFM_ValueRec shared_vals[4]; + + + n++; + + if ( n >= (int)fi->NumKernPair ) + goto Fail; + + kp = fi->KernPairs + n; + + shared_vals[0].type = AFM_VALUE_TYPE_INDEX; + shared_vals[1].type = AFM_VALUE_TYPE_INDEX; + shared_vals[2].type = AFM_VALUE_TYPE_INTEGER; + shared_vals[3].type = AFM_VALUE_TYPE_INTEGER; + r = afm_parser_read_vals( parser, shared_vals, 4 ); + if ( r < 3 ) + goto Fail; + + /* index values can't be negative */ + kp->index1 = shared_vals[0].u.u; + kp->index2 = shared_vals[1].u.u; + if ( token == AFM_TOKEN_KPY ) + { + kp->x = 0; + kp->y = shared_vals[2].u.i; + } + else + { + kp->x = shared_vals[2].u.i; + kp->y = ( token == AFM_TOKEN_KP && r == 4 ) + ? shared_vals[3].u.i : 0; + } + } + break; + + case AFM_TOKEN_ENDKERNPAIRS: + case AFM_TOKEN_ENDKERNDATA: + case AFM_TOKEN_ENDFONTMETRICS: + fi->NumKernPair = (FT_UInt)( n + 1 ); + ft_qsort( fi->KernPairs, fi->NumKernPair, + sizeof ( AFM_KernPairRec ), + afm_compare_kern_pairs ); + return FT_Err_Ok; + + case AFM_TOKEN_UNKNOWN: + break; + + default: + goto Fail; + } + } + + Fail: + return FT_THROW( Syntax_Error ); + } + + + static FT_Error + afm_parse_kern_data( AFM_Parser parser ) + { + FT_Error error; + char* key; + FT_Offset len; + + + while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 ) + { + switch ( afm_tokenize( key, len ) ) + { + case AFM_TOKEN_STARTTRACKKERN: + error = afm_parse_track_kern( parser ); + if ( error ) + return error; + break; + + case AFM_TOKEN_STARTKERNPAIRS: + case AFM_TOKEN_STARTKERNPAIRS0: + error = afm_parse_kern_pairs( parser ); + if ( error ) + return error; + break; + + case AFM_TOKEN_ENDKERNDATA: + case AFM_TOKEN_ENDFONTMETRICS: + return FT_Err_Ok; + + case AFM_TOKEN_UNKNOWN: + break; + + default: + goto Fail; + } + } + + Fail: + return FT_THROW( Syntax_Error ); + } + + + static FT_Error + afm_parser_skip_section( AFM_Parser parser, + FT_Int n, + AFM_Token end_section ) + { + char* key; + FT_Offset len; + + + while ( n-- > 0 ) + { + key = afm_parser_next_key( parser, 1, NULL ); + if ( !key ) + goto Fail; + } + + while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 ) + { + AFM_Token token = afm_tokenize( key, len ); + + + if ( token == end_section || token == AFM_TOKEN_ENDFONTMETRICS ) + return FT_Err_Ok; + } + + Fail: + return FT_THROW( Syntax_Error ); + } + + + FT_LOCAL_DEF( FT_Error ) + afm_parser_parse( AFM_Parser parser ) + { + FT_Memory memory = parser->memory; + AFM_FontInfo fi = parser->FontInfo; + FT_Error error = FT_ERR( Syntax_Error ); + char* key; + FT_Offset len; + FT_Int metrics_sets = 0; + + + if ( !fi ) + return FT_THROW( Invalid_Argument ); + + key = afm_parser_next_key( parser, 1, &len ); + if ( !key || len != 16 || + ft_strncmp( key, "StartFontMetrics", 16 ) != 0 ) + return FT_THROW( Unknown_File_Format ); + + while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 ) + { + AFM_ValueRec shared_vals[4]; + + + switch ( afm_tokenize( key, len ) ) + { + case AFM_TOKEN_METRICSSETS: + if ( afm_parser_read_int( parser, &metrics_sets ) ) + goto Fail; + + if ( metrics_sets != 0 && metrics_sets != 2 ) + { + error = FT_THROW( Unimplemented_Feature ); + + goto Fail; + } + break; + + case AFM_TOKEN_ISCIDFONT: + shared_vals[0].type = AFM_VALUE_TYPE_BOOL; + if ( afm_parser_read_vals( parser, shared_vals, 1 ) != 1 ) + goto Fail; + + fi->IsCIDFont = shared_vals[0].u.b; + break; + + case AFM_TOKEN_FONTBBOX: + shared_vals[0].type = AFM_VALUE_TYPE_FIXED; + shared_vals[1].type = AFM_VALUE_TYPE_FIXED; + shared_vals[2].type = AFM_VALUE_TYPE_FIXED; + shared_vals[3].type = AFM_VALUE_TYPE_FIXED; + if ( afm_parser_read_vals( parser, shared_vals, 4 ) != 4 ) + goto Fail; + + fi->FontBBox.xMin = shared_vals[0].u.f; + fi->FontBBox.yMin = shared_vals[1].u.f; + fi->FontBBox.xMax = shared_vals[2].u.f; + fi->FontBBox.yMax = shared_vals[3].u.f; + break; + + case AFM_TOKEN_ASCENDER: + shared_vals[0].type = AFM_VALUE_TYPE_FIXED; + if ( afm_parser_read_vals( parser, shared_vals, 1 ) != 1 ) + goto Fail; + + fi->Ascender = shared_vals[0].u.f; + break; + + case AFM_TOKEN_DESCENDER: + shared_vals[0].type = AFM_VALUE_TYPE_FIXED; + if ( afm_parser_read_vals( parser, shared_vals, 1 ) != 1 ) + goto Fail; + + fi->Descender = shared_vals[0].u.f; + break; + + case AFM_TOKEN_STARTCHARMETRICS: + { + FT_Int n = 0; + + + if ( afm_parser_read_int( parser, &n ) ) + goto Fail; + + error = afm_parser_skip_section( parser, n, + AFM_TOKEN_ENDCHARMETRICS ); + if ( error ) + return error; + } + break; + + case AFM_TOKEN_STARTKERNDATA: + error = afm_parse_kern_data( parser ); + if ( error ) + goto Fail; + /* fall through since we only support kern data */ + + case AFM_TOKEN_ENDFONTMETRICS: + return FT_Err_Ok; + + default: + break; + } + } + + Fail: + FT_FREE( fi->TrackKerns ); + fi->NumTrackKern = 0; + + FT_FREE( fi->KernPairs ); + fi->NumKernPair = 0; + + fi->IsCIDFont = 0; + + return error; + } + +#else /* T1_CONFIG_OPTION_NO_AFM */ + + /* ANSI C doesn't like empty source files */ + typedef int _afm_parse_dummy; + +#endif /* T1_CONFIG_OPTION_NO_AFM */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/afmparse.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/afmparse.h new file mode 100644 index 00000000000..86f852a2477 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/afmparse.h @@ -0,0 +1,89 @@ +/***************************************************************************/ +/* */ +/* afmparse.h */ +/* */ +/* AFM parser (specification). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef AFMPARSE_H_ +#define AFMPARSE_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_POSTSCRIPT_AUX_H + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + afm_parser_init( AFM_Parser parser, + FT_Memory memory, + FT_Byte* base, + FT_Byte* limit ); + + + FT_LOCAL( void ) + afm_parser_done( AFM_Parser parser ); + + + FT_LOCAL( FT_Error ) + afm_parser_parse( AFM_Parser parser ); + + + enum AFM_ValueType_ + { + AFM_VALUE_TYPE_STRING, + AFM_VALUE_TYPE_NAME, + AFM_VALUE_TYPE_FIXED, /* real number */ + AFM_VALUE_TYPE_INTEGER, + AFM_VALUE_TYPE_BOOL, + AFM_VALUE_TYPE_INDEX /* glyph index */ + }; + + + typedef struct AFM_ValueRec_ + { + enum AFM_ValueType_ type; + union + { + char* s; + FT_Fixed f; + FT_Int i; + FT_UInt u; + FT_Bool b; + + } u; + + } AFM_ValueRec, *AFM_Value; + +#define AFM_MAX_ARGUMENTS 5 + + FT_LOCAL( FT_Int ) + afm_parser_read_vals( AFM_Parser parser, + AFM_Value vals, + FT_Int n ); + + /* read the next key from the next line or column */ + FT_LOCAL( char* ) + afm_parser_next_key( AFM_Parser parser, + FT_Bool line, + FT_Offset* len ); + +FT_END_HEADER + +#endif /* AFMPARSE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/cffdecode.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/cffdecode.c new file mode 100644 index 00000000000..80d622c0e1b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/cffdecode.c @@ -0,0 +1,2370 @@ +/***************************************************************************/ +/* */ +/* cffdecode.c */ +/* */ +/* PostScript CFF (Type 2) decoding routines (body). */ +/* */ +/* Copyright 2017-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_SERVICE_H +#include FT_SERVICE_CFF_TABLE_LOAD_H + +#include "cffdecode.h" +#include "psobjs.h" + +#include "psauxerr.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cffdecode + + +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + + typedef enum CFF_Operator_ + { + cff_op_unknown = 0, + + cff_op_rmoveto, + cff_op_hmoveto, + cff_op_vmoveto, + + cff_op_rlineto, + cff_op_hlineto, + cff_op_vlineto, + + cff_op_rrcurveto, + cff_op_hhcurveto, + cff_op_hvcurveto, + cff_op_rcurveline, + cff_op_rlinecurve, + cff_op_vhcurveto, + cff_op_vvcurveto, + + cff_op_flex, + cff_op_hflex, + cff_op_hflex1, + cff_op_flex1, + + cff_op_endchar, + + cff_op_hstem, + cff_op_vstem, + cff_op_hstemhm, + cff_op_vstemhm, + + cff_op_hintmask, + cff_op_cntrmask, + cff_op_dotsection, /* deprecated, acts as no-op */ + + cff_op_abs, + cff_op_add, + cff_op_sub, + cff_op_div, + cff_op_neg, + cff_op_random, + cff_op_mul, + cff_op_sqrt, + + cff_op_blend, + + cff_op_drop, + cff_op_exch, + cff_op_index, + cff_op_roll, + cff_op_dup, + + cff_op_put, + cff_op_get, + cff_op_store, + cff_op_load, + + cff_op_and, + cff_op_or, + cff_op_not, + cff_op_eq, + cff_op_ifelse, + + cff_op_callsubr, + cff_op_callgsubr, + cff_op_return, + + /* Type 1 opcodes: invalid but seen in real life */ + cff_op_hsbw, + cff_op_closepath, + cff_op_callothersubr, + cff_op_pop, + cff_op_seac, + cff_op_sbw, + cff_op_setcurrentpoint, + + /* do not remove */ + cff_op_max + + } CFF_Operator; + + +#define CFF_COUNT_CHECK_WIDTH 0x80 +#define CFF_COUNT_EXACT 0x40 +#define CFF_COUNT_CLEAR_STACK 0x20 + + /* count values which have the `CFF_COUNT_CHECK_WIDTH' flag set are */ + /* used for checking the width and requested numbers of arguments */ + /* only; they are set to zero afterwards */ + + /* the other two flags are informative only and unused currently */ + + static const FT_Byte cff_argument_counts[] = + { + 0, /* unknown */ + + 2 | CFF_COUNT_CHECK_WIDTH | CFF_COUNT_EXACT, /* rmoveto */ + 1 | CFF_COUNT_CHECK_WIDTH | CFF_COUNT_EXACT, + 1 | CFF_COUNT_CHECK_WIDTH | CFF_COUNT_EXACT, + + 0 | CFF_COUNT_CLEAR_STACK, /* rlineto */ + 0 | CFF_COUNT_CLEAR_STACK, + 0 | CFF_COUNT_CLEAR_STACK, + + 0 | CFF_COUNT_CLEAR_STACK, /* rrcurveto */ + 0 | CFF_COUNT_CLEAR_STACK, + 0 | CFF_COUNT_CLEAR_STACK, + 0 | CFF_COUNT_CLEAR_STACK, + 0 | CFF_COUNT_CLEAR_STACK, + 0 | CFF_COUNT_CLEAR_STACK, + 0 | CFF_COUNT_CLEAR_STACK, + + 13, /* flex */ + 7, + 9, + 11, + + 0 | CFF_COUNT_CHECK_WIDTH, /* endchar */ + + 2 | CFF_COUNT_CHECK_WIDTH, /* hstem */ + 2 | CFF_COUNT_CHECK_WIDTH, + 2 | CFF_COUNT_CHECK_WIDTH, + 2 | CFF_COUNT_CHECK_WIDTH, + + 0 | CFF_COUNT_CHECK_WIDTH, /* hintmask */ + 0 | CFF_COUNT_CHECK_WIDTH, /* cntrmask */ + 0, /* dotsection */ + + 1, /* abs */ + 2, + 2, + 2, + 1, + 0, + 2, + 1, + + 1, /* blend */ + + 1, /* drop */ + 2, + 1, + 2, + 1, + + 2, /* put */ + 1, + 4, + 3, + + 2, /* and */ + 2, + 1, + 2, + 4, + + 1, /* callsubr */ + 1, + 0, + + 2, /* hsbw */ + 0, + 0, + 0, + 5, /* seac */ + 4, /* sbw */ + 2 /* setcurrentpoint */ + }; + + + static FT_Error + cff_operator_seac( CFF_Decoder* decoder, + FT_Pos asb, + FT_Pos adx, + FT_Pos ady, + FT_Int bchar, + FT_Int achar ) + { + FT_Error error; + CFF_Builder* builder = &decoder->builder; + FT_Int bchar_index, achar_index; + TT_Face face = decoder->builder.face; + FT_Vector left_bearing, advance; + FT_Byte* charstring; + FT_ULong charstring_len; + FT_Pos glyph_width; + + + if ( decoder->seac ) + { + FT_ERROR(( "cff_operator_seac: invalid nested seac\n" )); + return FT_THROW( Syntax_Error ); + } + + adx += decoder->builder.left_bearing.x; + ady += decoder->builder.left_bearing.y; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + /* Incremental fonts don't necessarily have valid charsets. */ + /* They use the character code, not the glyph index, in this case. */ + if ( face->root.internal->incremental_interface ) + { + bchar_index = bchar; + achar_index = achar; + } + else +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + { + CFF_Font cff = (CFF_Font)(face->extra.data); + + + bchar_index = cff_lookup_glyph_by_stdcharcode( cff, bchar ); + achar_index = cff_lookup_glyph_by_stdcharcode( cff, achar ); + } + + if ( bchar_index < 0 || achar_index < 0 ) + { + FT_ERROR(( "cff_operator_seac:" + " invalid seac character code arguments\n" )); + return FT_THROW( Syntax_Error ); + } + + /* If we are trying to load a composite glyph, do not load the */ + /* accent character and return the array of subglyphs. */ + if ( builder->no_recurse ) + { + FT_GlyphSlot glyph = (FT_GlyphSlot)builder->glyph; + FT_GlyphLoader loader = glyph->internal->loader; + FT_SubGlyph subg; + + + /* reallocate subglyph array if necessary */ + error = FT_GlyphLoader_CheckSubGlyphs( loader, 2 ); + if ( error ) + goto Exit; + + subg = loader->current.subglyphs; + + /* subglyph 0 = base character */ + subg->index = bchar_index; + subg->flags = FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES | + FT_SUBGLYPH_FLAG_USE_MY_METRICS; + subg->arg1 = 0; + subg->arg2 = 0; + subg++; + + /* subglyph 1 = accent character */ + subg->index = achar_index; + subg->flags = FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES; + subg->arg1 = (FT_Int)( adx >> 16 ); + subg->arg2 = (FT_Int)( ady >> 16 ); + + /* set up remaining glyph fields */ + glyph->num_subglyphs = 2; + glyph->subglyphs = loader->base.subglyphs; + glyph->format = FT_GLYPH_FORMAT_COMPOSITE; + + loader->current.num_subglyphs = 2; + } + + FT_GlyphLoader_Prepare( builder->loader ); + + /* First load `bchar' in builder */ + error = decoder->get_glyph_callback( face, (FT_UInt)bchar_index, + &charstring, &charstring_len ); + if ( !error ) + { + /* the seac operator must not be nested */ + decoder->seac = TRUE; + error = cff_decoder_parse_charstrings( decoder, charstring, + charstring_len, 0 ); + decoder->seac = FALSE; + + decoder->free_glyph_callback( face, &charstring, charstring_len ); + + if ( error ) + goto Exit; + } + + /* Save the left bearing, advance and glyph width of the base */ + /* character as they will be erased by the next load. */ + + left_bearing = builder->left_bearing; + advance = builder->advance; + glyph_width = decoder->glyph_width; + + builder->left_bearing.x = 0; + builder->left_bearing.y = 0; + + builder->pos_x = adx - asb; + builder->pos_y = ady; + + /* Now load `achar' on top of the base outline. */ + error = decoder->get_glyph_callback( face, (FT_UInt)achar_index, + &charstring, &charstring_len ); + if ( !error ) + { + /* the seac operator must not be nested */ + decoder->seac = TRUE; + error = cff_decoder_parse_charstrings( decoder, charstring, + charstring_len, 0 ); + decoder->seac = FALSE; + + decoder->free_glyph_callback( face, &charstring, charstring_len ); + + if ( error ) + goto Exit; + } + + /* Restore the left side bearing, advance and glyph width */ + /* of the base character. */ + builder->left_bearing = left_bearing; + builder->advance = advance; + decoder->glyph_width = glyph_width; + + builder->pos_x = 0; + builder->pos_y = 0; + + Exit: + return error; + } + +#endif /* CFF_CONFIG_OPTION_OLD_ENGINE */ + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /********** *********/ + /********** *********/ + /********** GENERIC CHARSTRING PARSING *********/ + /********** *********/ + /********** *********/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cff_compute_bias */ + /* */ + /* <Description> */ + /* Computes the bias value in dependence of the number of glyph */ + /* subroutines. */ + /* */ + /* <Input> */ + /* in_charstring_type :: The `CharstringType' value of the top DICT */ + /* dictionary. */ + /* */ + /* num_subrs :: The number of glyph subroutines. */ + /* */ + /* <Return> */ + /* The bias value. */ + static FT_Int + cff_compute_bias( FT_Int in_charstring_type, + FT_UInt num_subrs ) + { + FT_Int result; + + + if ( in_charstring_type == 1 ) + result = 0; + else if ( num_subrs < 1240 ) + result = 107; + else if ( num_subrs < 33900U ) + result = 1131; + else + result = 32768U; + + return result; + } + + + FT_LOCAL_DEF( FT_Int ) + cff_lookup_glyph_by_stdcharcode( CFF_Font cff, + FT_Int charcode ) + { + FT_UInt n; + FT_UShort glyph_sid; + + FT_Service_CFFLoad cffload; + + + /* CID-keyed fonts don't have glyph names */ + if ( !cff->charset.sids ) + return -1; + + /* check range of standard char code */ + if ( charcode < 0 || charcode > 255 ) + return -1; + +#if 0 + /* retrieve cffload from list of current modules */ + FT_Service_CFFLoad cffload; + + + FT_FACE_FIND_GLOBAL_SERVICE( face, cffload, CFF_LOAD ); + if ( !cffload ) + { + FT_ERROR(( "cff_lookup_glyph_by_stdcharcode:" + " the `cffload' module is not available\n" )); + return FT_THROW( Unimplemented_Feature ); + } +#endif + + cffload = (FT_Service_CFFLoad)cff->cffload; + + /* Get code to SID mapping from `cff_standard_encoding'. */ + glyph_sid = cffload->get_standard_encoding( (FT_UInt)charcode ); + + for ( n = 0; n < cff->num_glyphs; n++ ) + { + if ( cff->charset.sids[n] == glyph_sid ) + return (FT_Int)n; + } + + return -1; + } + + +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cff_decoder_parse_charstrings */ + /* */ + /* <Description> */ + /* Parses a given Type 2 charstrings program. */ + /* */ + /* <InOut> */ + /* decoder :: The current Type 1 decoder. */ + /* */ + /* <Input> */ + /* charstring_base :: The base of the charstring stream. */ + /* */ + /* charstring_len :: The length in bytes of the charstring stream. */ + /* */ + /* in_dict :: Set to 1 if function is called from top or */ + /* private DICT (needed for Multiple Master CFFs). */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + cff_decoder_parse_charstrings( CFF_Decoder* decoder, + FT_Byte* charstring_base, + FT_ULong charstring_len, + FT_Bool in_dict ) + { + FT_Error error; + CFF_Decoder_Zone* zone; + FT_Byte* ip; + FT_Byte* limit; + CFF_Builder* builder = &decoder->builder; + FT_Pos x, y; + FT_Fixed* stack; + FT_Int charstring_type = + decoder->cff->top_font.font_dict.charstring_type; + FT_UShort num_designs = + decoder->cff->top_font.font_dict.num_designs; + FT_UShort num_axes = + decoder->cff->top_font.font_dict.num_axes; + + T2_Hints_Funcs hinter; + + + /* set default width */ + decoder->num_hints = 0; + decoder->read_width = 1; + + /* initialize the decoder */ + decoder->top = decoder->stack; + decoder->zone = decoder->zones; + zone = decoder->zones; + stack = decoder->top; + + hinter = (T2_Hints_Funcs)builder->hints_funcs; + + builder->path_begun = 0; + + zone->base = charstring_base; + limit = zone->limit = charstring_base + charstring_len; + ip = zone->cursor = zone->base; + + error = FT_Err_Ok; + + x = builder->pos_x; + y = builder->pos_y; + + /* begin hints recording session, if any */ + if ( hinter ) + hinter->open( hinter->hints ); + + /* now execute loop */ + while ( ip < limit ) + { + CFF_Operator op; + FT_Byte v; + + + /********************************************************************/ + /* */ + /* Decode operator or operand */ + /* */ + v = *ip++; + if ( v >= 32 || v == 28 ) + { + FT_Int shift = 16; + FT_Int32 val; + + + /* this is an operand, push it on the stack */ + + /* if we use shifts, all computations are done with unsigned */ + /* values; the conversion to a signed value is the last step */ + if ( v == 28 ) + { + if ( ip + 1 >= limit ) + goto Syntax_Error; + val = (FT_Short)( ( (FT_UShort)ip[0] << 8 ) | ip[1] ); + ip += 2; + } + else if ( v < 247 ) + val = (FT_Int32)v - 139; + else if ( v < 251 ) + { + if ( ip >= limit ) + goto Syntax_Error; + val = ( (FT_Int32)v - 247 ) * 256 + *ip++ + 108; + } + else if ( v < 255 ) + { + if ( ip >= limit ) + goto Syntax_Error; + val = -( (FT_Int32)v - 251 ) * 256 - *ip++ - 108; + } + else + { + if ( ip + 3 >= limit ) + goto Syntax_Error; + val = (FT_Int32)( ( (FT_UInt32)ip[0] << 24 ) | + ( (FT_UInt32)ip[1] << 16 ) | + ( (FT_UInt32)ip[2] << 8 ) | + (FT_UInt32)ip[3] ); + ip += 4; + if ( charstring_type == 2 ) + shift = 0; + } + if ( decoder->top - stack >= CFF_MAX_OPERANDS ) + goto Stack_Overflow; + + val = (FT_Int32)( (FT_UInt32)val << shift ); + *decoder->top++ = val; + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !( val & 0xFFFFL ) ) + FT_TRACE4(( " %hd", (FT_Short)( (FT_UInt32)val >> 16 ) )); + else + FT_TRACE4(( " %.5f", val / 65536.0 )); +#endif + + } + else + { + /* The specification says that normally arguments are to be taken */ + /* from the bottom of the stack. However, this seems not to be */ + /* correct, at least for Acroread 7.0.8 on GNU/Linux: It pops the */ + /* arguments similar to a PS interpreter. */ + + FT_Fixed* args = decoder->top; + FT_Int num_args = (FT_Int)( args - decoder->stack ); + FT_Int req_args; + + + /* find operator */ + op = cff_op_unknown; + + switch ( v ) + { + case 1: + op = cff_op_hstem; + break; + case 3: + op = cff_op_vstem; + break; + case 4: + op = cff_op_vmoveto; + break; + case 5: + op = cff_op_rlineto; + break; + case 6: + op = cff_op_hlineto; + break; + case 7: + op = cff_op_vlineto; + break; + case 8: + op = cff_op_rrcurveto; + break; + case 9: + op = cff_op_closepath; + break; + case 10: + op = cff_op_callsubr; + break; + case 11: + op = cff_op_return; + break; + case 12: + if ( ip >= limit ) + goto Syntax_Error; + v = *ip++; + + switch ( v ) + { + case 0: + op = cff_op_dotsection; + break; + case 1: /* this is actually the Type1 vstem3 operator */ + op = cff_op_vstem; + break; + case 2: /* this is actually the Type1 hstem3 operator */ + op = cff_op_hstem; + break; + case 3: + op = cff_op_and; + break; + case 4: + op = cff_op_or; + break; + case 5: + op = cff_op_not; + break; + case 6: + op = cff_op_seac; + break; + case 7: + op = cff_op_sbw; + break; + case 8: + op = cff_op_store; + break; + case 9: + op = cff_op_abs; + break; + case 10: + op = cff_op_add; + break; + case 11: + op = cff_op_sub; + break; + case 12: + op = cff_op_div; + break; + case 13: + op = cff_op_load; + break; + case 14: + op = cff_op_neg; + break; + case 15: + op = cff_op_eq; + break; + case 16: + op = cff_op_callothersubr; + break; + case 17: + op = cff_op_pop; + break; + case 18: + op = cff_op_drop; + break; + case 20: + op = cff_op_put; + break; + case 21: + op = cff_op_get; + break; + case 22: + op = cff_op_ifelse; + break; + case 23: + op = cff_op_random; + break; + case 24: + op = cff_op_mul; + break; + case 26: + op = cff_op_sqrt; + break; + case 27: + op = cff_op_dup; + break; + case 28: + op = cff_op_exch; + break; + case 29: + op = cff_op_index; + break; + case 30: + op = cff_op_roll; + break; + case 33: + op = cff_op_setcurrentpoint; + break; + case 34: + op = cff_op_hflex; + break; + case 35: + op = cff_op_flex; + break; + case 36: + op = cff_op_hflex1; + break; + case 37: + op = cff_op_flex1; + break; + default: + FT_TRACE4(( " unknown op (12, %d)\n", v )); + break; + } + break; + case 13: + op = cff_op_hsbw; + break; + case 14: + op = cff_op_endchar; + break; + case 16: + op = cff_op_blend; + break; + case 18: + op = cff_op_hstemhm; + break; + case 19: + op = cff_op_hintmask; + break; + case 20: + op = cff_op_cntrmask; + break; + case 21: + op = cff_op_rmoveto; + break; + case 22: + op = cff_op_hmoveto; + break; + case 23: + op = cff_op_vstemhm; + break; + case 24: + op = cff_op_rcurveline; + break; + case 25: + op = cff_op_rlinecurve; + break; + case 26: + op = cff_op_vvcurveto; + break; + case 27: + op = cff_op_hhcurveto; + break; + case 29: + op = cff_op_callgsubr; + break; + case 30: + op = cff_op_vhcurveto; + break; + case 31: + op = cff_op_hvcurveto; + break; + default: + FT_TRACE4(( " unknown op (%d)\n", v )); + break; + } + + if ( op == cff_op_unknown ) + continue; + + /* in Multiple Master CFFs, T2 charstrings can appear in */ + /* dictionaries, but some operators are prohibited */ + if ( in_dict ) + { + switch ( op ) + { + case cff_op_hstem: + case cff_op_vstem: + case cff_op_vmoveto: + case cff_op_rlineto: + case cff_op_hlineto: + case cff_op_vlineto: + case cff_op_rrcurveto: + case cff_op_hstemhm: + case cff_op_hintmask: + case cff_op_cntrmask: + case cff_op_rmoveto: + case cff_op_hmoveto: + case cff_op_vstemhm: + case cff_op_rcurveline: + case cff_op_rlinecurve: + case cff_op_vvcurveto: + case cff_op_hhcurveto: + case cff_op_vhcurveto: + case cff_op_hvcurveto: + case cff_op_hflex: + case cff_op_flex: + case cff_op_hflex1: + case cff_op_flex1: + case cff_op_callsubr: + case cff_op_callgsubr: + goto MM_Error; + + default: + break; + } + } + + /* check arguments */ + req_args = cff_argument_counts[op]; + if ( req_args & CFF_COUNT_CHECK_WIDTH ) + { + if ( num_args > 0 && decoder->read_width ) + { + /* If `nominal_width' is non-zero, the number is really a */ + /* difference against `nominal_width'. Else, the number here */ + /* is truly a width, not a difference against `nominal_width'. */ + /* If the font does not set `nominal_width', then */ + /* `nominal_width' defaults to zero, and so we can set */ + /* `glyph_width' to `nominal_width' plus number on the stack */ + /* -- for either case. */ + + FT_Int set_width_ok; + + + switch ( op ) + { + case cff_op_hmoveto: + case cff_op_vmoveto: + set_width_ok = num_args & 2; + break; + + case cff_op_hstem: + case cff_op_vstem: + case cff_op_hstemhm: + case cff_op_vstemhm: + case cff_op_rmoveto: + case cff_op_hintmask: + case cff_op_cntrmask: + set_width_ok = num_args & 1; + break; + + case cff_op_endchar: + /* If there is a width specified for endchar, we either have */ + /* 1 argument or 5 arguments. We like to argue. */ + set_width_ok = in_dict + ? 0 + : ( ( num_args == 5 ) || ( num_args == 1 ) ); + break; + + default: + set_width_ok = 0; + break; + } + + if ( set_width_ok ) + { + decoder->glyph_width = decoder->nominal_width + + ( stack[0] >> 16 ); + + if ( decoder->width_only ) + { + /* we only want the advance width; stop here */ + break; + } + + /* Consumed an argument. */ + num_args--; + } + } + + decoder->read_width = 0; + req_args = 0; + } + + req_args &= 0x000F; + if ( num_args < req_args ) + goto Stack_Underflow; + args -= req_args; + num_args -= req_args; + + /* At this point, `args' points to the first argument of the */ + /* operand in case `req_args' isn't zero. Otherwise, we have */ + /* to adjust `args' manually. */ + + /* Note that we only pop arguments from the stack which we */ + /* really need and can digest so that we can continue in case */ + /* of superfluous stack elements. */ + + switch ( op ) + { + case cff_op_hstem: + case cff_op_vstem: + case cff_op_hstemhm: + case cff_op_vstemhm: + /* the number of arguments is always even here */ + FT_TRACE4(( + op == cff_op_hstem ? " hstem\n" : + ( op == cff_op_vstem ? " vstem\n" : + ( op == cff_op_hstemhm ? " hstemhm\n" : " vstemhm\n" ) ) )); + + if ( hinter ) + hinter->stems( hinter->hints, + ( op == cff_op_hstem || op == cff_op_hstemhm ), + num_args / 2, + args - ( num_args & ~1 ) ); + + decoder->num_hints += num_args / 2; + args = stack; + break; + + case cff_op_hintmask: + case cff_op_cntrmask: + FT_TRACE4(( op == cff_op_hintmask ? " hintmask" : " cntrmask" )); + + /* implement vstem when needed -- */ + /* the specification doesn't say it, but this also works */ + /* with the 'cntrmask' operator */ + /* */ + if ( num_args > 0 ) + { + if ( hinter ) + hinter->stems( hinter->hints, + 0, + num_args / 2, + args - ( num_args & ~1 ) ); + + decoder->num_hints += num_args / 2; + } + + /* In a valid charstring there must be at least one byte */ + /* after `hintmask' or `cntrmask' (e.g., for a `return' */ + /* instruction). Additionally, there must be space for */ + /* `num_hints' bits. */ + + if ( ( ip + ( ( decoder->num_hints + 7 ) >> 3 ) ) >= limit ) + goto Syntax_Error; + + if ( hinter ) + { + if ( op == cff_op_hintmask ) + hinter->hintmask( hinter->hints, + (FT_UInt)builder->current->n_points, + (FT_UInt)decoder->num_hints, + ip ); + else + hinter->counter( hinter->hints, + (FT_UInt)decoder->num_hints, + ip ); + } + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_UInt maskbyte; + + + FT_TRACE4(( " (maskbytes:" )); + + for ( maskbyte = 0; + maskbyte < (FT_UInt)( ( decoder->num_hints + 7 ) >> 3 ); + maskbyte++, ip++ ) + FT_TRACE4(( " 0x%02X", *ip )); + + FT_TRACE4(( ")\n" )); + } +#else + ip += ( decoder->num_hints + 7 ) >> 3; +#endif + args = stack; + break; + + case cff_op_rmoveto: + FT_TRACE4(( " rmoveto\n" )); + + cff_builder_close_contour( builder ); + builder->path_begun = 0; + x = ADD_LONG( x, args[-2] ); + y = ADD_LONG( y, args[-1] ); + args = stack; + break; + + case cff_op_vmoveto: + FT_TRACE4(( " vmoveto\n" )); + + cff_builder_close_contour( builder ); + builder->path_begun = 0; + y = ADD_LONG( y, args[-1] ); + args = stack; + break; + + case cff_op_hmoveto: + FT_TRACE4(( " hmoveto\n" )); + + cff_builder_close_contour( builder ); + builder->path_begun = 0; + x = ADD_LONG( x, args[-1] ); + args = stack; + break; + + case cff_op_rlineto: + FT_TRACE4(( " rlineto\n" )); + + if ( cff_builder_start_point( builder, x, y ) || + cff_check_points( builder, num_args / 2 ) ) + goto Fail; + + if ( num_args < 2 ) + goto Stack_Underflow; + + args -= num_args & ~1; + while ( args < decoder->top ) + { + x = ADD_LONG( x, args[0] ); + y = ADD_LONG( y, args[1] ); + cff_builder_add_point( builder, x, y, 1 ); + args += 2; + } + args = stack; + break; + + case cff_op_hlineto: + case cff_op_vlineto: + { + FT_Int phase = ( op == cff_op_hlineto ); + + + FT_TRACE4(( op == cff_op_hlineto ? " hlineto\n" + : " vlineto\n" )); + + if ( num_args < 0 ) + goto Stack_Underflow; + + /* there exist subsetted fonts (found in PDFs) */ + /* which call `hlineto' without arguments */ + if ( num_args == 0 ) + break; + + if ( cff_builder_start_point( builder, x, y ) || + cff_check_points( builder, num_args ) ) + goto Fail; + + args = stack; + while ( args < decoder->top ) + { + if ( phase ) + x = ADD_LONG( x, args[0] ); + else + y = ADD_LONG( y, args[0] ); + + if ( cff_builder_add_point1( builder, x, y ) ) + goto Fail; + + args++; + phase ^= 1; + } + args = stack; + } + break; + + case cff_op_rrcurveto: + { + FT_Int nargs; + + + FT_TRACE4(( " rrcurveto\n" )); + + if ( num_args < 6 ) + goto Stack_Underflow; + + nargs = num_args - num_args % 6; + + if ( cff_builder_start_point( builder, x, y ) || + cff_check_points( builder, nargs / 2 ) ) + goto Fail; + + args -= nargs; + while ( args < decoder->top ) + { + x = ADD_LONG( x, args[0] ); + y = ADD_LONG( y, args[1] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[2] ); + y = ADD_LONG( y, args[3] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[4] ); + y = ADD_LONG( y, args[5] ); + cff_builder_add_point( builder, x, y, 1 ); + + args += 6; + } + args = stack; + } + break; + + case cff_op_vvcurveto: + { + FT_Int nargs; + + + FT_TRACE4(( " vvcurveto\n" )); + + if ( num_args < 4 ) + goto Stack_Underflow; + + /* if num_args isn't of the form 4n or 4n+1, */ + /* we enforce it by clearing the second bit */ + + nargs = num_args & ~2; + + if ( cff_builder_start_point( builder, x, y ) ) + goto Fail; + + args -= nargs; + + if ( nargs & 1 ) + { + x = ADD_LONG( x, args[0] ); + args++; + nargs--; + } + + if ( cff_check_points( builder, 3 * ( nargs / 4 ) ) ) + goto Fail; + + while ( args < decoder->top ) + { + y = ADD_LONG( y, args[0] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[1] ); + y = ADD_LONG( y, args[2] ); + cff_builder_add_point( builder, x, y, 0 ); + + y = ADD_LONG( y, args[3] ); + cff_builder_add_point( builder, x, y, 1 ); + + args += 4; + } + args = stack; + } + break; + + case cff_op_hhcurveto: + { + FT_Int nargs; + + + FT_TRACE4(( " hhcurveto\n" )); + + if ( num_args < 4 ) + goto Stack_Underflow; + + /* if num_args isn't of the form 4n or 4n+1, */ + /* we enforce it by clearing the second bit */ + + nargs = num_args & ~2; + + if ( cff_builder_start_point( builder, x, y ) ) + goto Fail; + + args -= nargs; + if ( nargs & 1 ) + { + y = ADD_LONG( y, args[0] ); + args++; + nargs--; + } + + if ( cff_check_points( builder, 3 * ( nargs / 4 ) ) ) + goto Fail; + + while ( args < decoder->top ) + { + x = ADD_LONG( x, args[0] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[1] ); + y = ADD_LONG( y, args[2] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[3] ); + cff_builder_add_point( builder, x, y, 1 ); + + args += 4; + } + args = stack; + } + break; + + case cff_op_vhcurveto: + case cff_op_hvcurveto: + { + FT_Int phase; + FT_Int nargs; + + + FT_TRACE4(( op == cff_op_vhcurveto ? " vhcurveto\n" + : " hvcurveto\n" )); + + if ( cff_builder_start_point( builder, x, y ) ) + goto Fail; + + if ( num_args < 4 ) + goto Stack_Underflow; + + /* if num_args isn't of the form 8n, 8n+1, 8n+4, or 8n+5, */ + /* we enforce it by clearing the second bit */ + + nargs = num_args & ~2; + + args -= nargs; + if ( cff_check_points( builder, ( nargs / 4 ) * 3 ) ) + goto Stack_Underflow; + + phase = ( op == cff_op_hvcurveto ); + + while ( nargs >= 4 ) + { + nargs -= 4; + if ( phase ) + { + x = ADD_LONG( x, args[0] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[1] ); + y = ADD_LONG( y, args[2] ); + cff_builder_add_point( builder, x, y, 0 ); + + y = ADD_LONG( y, args[3] ); + if ( nargs == 1 ) + x = ADD_LONG( x, args[4] ); + cff_builder_add_point( builder, x, y, 1 ); + } + else + { + y = ADD_LONG( y, args[0] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[1] ); + y = ADD_LONG( y, args[2] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[3] ); + if ( nargs == 1 ) + y = ADD_LONG( y, args[4] ); + cff_builder_add_point( builder, x, y, 1 ); + } + args += 4; + phase ^= 1; + } + args = stack; + } + break; + + case cff_op_rlinecurve: + { + FT_Int num_lines; + FT_Int nargs; + + + FT_TRACE4(( " rlinecurve\n" )); + + if ( num_args < 8 ) + goto Stack_Underflow; + + nargs = num_args & ~1; + num_lines = ( nargs - 6 ) / 2; + + if ( cff_builder_start_point( builder, x, y ) || + cff_check_points( builder, num_lines + 3 ) ) + goto Fail; + + args -= nargs; + + /* first, add the line segments */ + while ( num_lines > 0 ) + { + x = ADD_LONG( x, args[0] ); + y = ADD_LONG( y, args[1] ); + cff_builder_add_point( builder, x, y, 1 ); + + args += 2; + num_lines--; + } + + /* then the curve */ + x = ADD_LONG( x, args[0] ); + y = ADD_LONG( y, args[1] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[2] ); + y = ADD_LONG( y, args[3] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[4] ); + y = ADD_LONG( y, args[5] ); + cff_builder_add_point( builder, x, y, 1 ); + + args = stack; + } + break; + + case cff_op_rcurveline: + { + FT_Int num_curves; + FT_Int nargs; + + + FT_TRACE4(( " rcurveline\n" )); + + if ( num_args < 8 ) + goto Stack_Underflow; + + nargs = num_args - 2; + nargs = nargs - nargs % 6 + 2; + num_curves = ( nargs - 2 ) / 6; + + if ( cff_builder_start_point( builder, x, y ) || + cff_check_points( builder, num_curves * 3 + 2 ) ) + goto Fail; + + args -= nargs; + + /* first, add the curves */ + while ( num_curves > 0 ) + { + x = ADD_LONG( x, args[0] ); + y = ADD_LONG( y, args[1] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[2] ); + y = ADD_LONG( y, args[3] ); + cff_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, args[4] ); + y = ADD_LONG( y, args[5] ); + cff_builder_add_point( builder, x, y, 1 ); + + args += 6; + num_curves--; + } + + /* then the final line */ + x = ADD_LONG( x, args[0] ); + y = ADD_LONG( y, args[1] ); + cff_builder_add_point( builder, x, y, 1 ); + + args = stack; + } + break; + + case cff_op_hflex1: + { + FT_Pos start_y; + + + FT_TRACE4(( " hflex1\n" )); + + /* adding five more points: 4 control points, 1 on-curve point */ + /* -- make sure we have enough space for the start point if it */ + /* needs to be added */ + if ( cff_builder_start_point( builder, x, y ) || + cff_check_points( builder, 6 ) ) + goto Fail; + + /* record the starting point's y position for later use */ + start_y = y; + + /* first control point */ + x = ADD_LONG( x, args[0] ); + y = ADD_LONG( y, args[1] ); + cff_builder_add_point( builder, x, y, 0 ); + + /* second control point */ + x = ADD_LONG( x, args[2] ); + y = ADD_LONG( y, args[3] ); + cff_builder_add_point( builder, x, y, 0 ); + + /* join point; on curve, with y-value the same as the last */ + /* control point's y-value */ + x = ADD_LONG( x, args[4] ); + cff_builder_add_point( builder, x, y, 1 ); + + /* third control point, with y-value the same as the join */ + /* point's y-value */ + x = ADD_LONG( x, args[5] ); + cff_builder_add_point( builder, x, y, 0 ); + + /* fourth control point */ + x = ADD_LONG( x, args[6] ); + y = ADD_LONG( y, args[7] ); + cff_builder_add_point( builder, x, y, 0 ); + + /* ending point, with y-value the same as the start */ + x = ADD_LONG( x, args[8] ); + y = start_y; + cff_builder_add_point( builder, x, y, 1 ); + + args = stack; + break; + } + + case cff_op_hflex: + { + FT_Pos start_y; + + + FT_TRACE4(( " hflex\n" )); + + /* adding six more points; 4 control points, 2 on-curve points */ + if ( cff_builder_start_point( builder, x, y ) || + cff_check_points( builder, 6 ) ) + goto Fail; + + /* record the starting point's y-position for later use */ + start_y = y; + + /* first control point */ + x = ADD_LONG( x, args[0] ); + cff_builder_add_point( builder, x, y, 0 ); + + /* second control point */ + x = ADD_LONG( x, args[1] ); + y = ADD_LONG( y, args[2] ); + cff_builder_add_point( builder, x, y, 0 ); + + /* join point; on curve, with y-value the same as the last */ + /* control point's y-value */ + x = ADD_LONG( x, args[3] ); + cff_builder_add_point( builder, x, y, 1 ); + + /* third control point, with y-value the same as the join */ + /* point's y-value */ + x = ADD_LONG( x, args[4] ); + cff_builder_add_point( builder, x, y, 0 ); + + /* fourth control point */ + x = ADD_LONG( x, args[5] ); + y = start_y; + cff_builder_add_point( builder, x, y, 0 ); + + /* ending point, with y-value the same as the start point's */ + /* y-value -- we don't add this point, though */ + x = ADD_LONG( x, args[6] ); + cff_builder_add_point( builder, x, y, 1 ); + + args = stack; + break; + } + + case cff_op_flex1: + { + FT_Pos start_x, start_y; /* record start x, y values for */ + /* alter use */ + FT_Fixed dx = 0, dy = 0; /* used in horizontal/vertical */ + /* algorithm below */ + FT_Int horizontal, count; + FT_Fixed* temp; + + + FT_TRACE4(( " flex1\n" )); + + /* adding six more points; 4 control points, 2 on-curve points */ + if ( cff_builder_start_point( builder, x, y ) || + cff_check_points( builder, 6 ) ) + goto Fail; + + /* record the starting point's x, y position for later use */ + start_x = x; + start_y = y; + + /* XXX: figure out whether this is supposed to be a horizontal */ + /* or vertical flex; the Type 2 specification is vague... */ + + temp = args; + + /* grab up to the last argument */ + for ( count = 5; count > 0; count-- ) + { + dx = ADD_LONG( dx, temp[0] ); + dy = ADD_LONG( dy, temp[1] ); + temp += 2; + } + + if ( dx < 0 ) + dx = -dx; + if ( dy < 0 ) + dy = -dy; + + /* strange test, but here it is... */ + horizontal = ( dx > dy ); + + for ( count = 5; count > 0; count-- ) + { + x = ADD_LONG( x, args[0] ); + y = ADD_LONG( y, args[1] ); + cff_builder_add_point( builder, x, y, + (FT_Bool)( count == 3 ) ); + args += 2; + } + + /* is last operand an x- or y-delta? */ + if ( horizontal ) + { + x = ADD_LONG( x, args[0] ); + y = start_y; + } + else + { + x = start_x; + y = ADD_LONG( y, args[0] ); + } + + cff_builder_add_point( builder, x, y, 1 ); + + args = stack; + break; + } + + case cff_op_flex: + { + FT_UInt count; + + + FT_TRACE4(( " flex\n" )); + + if ( cff_builder_start_point( builder, x, y ) || + cff_check_points( builder, 6 ) ) + goto Fail; + + for ( count = 6; count > 0; count-- ) + { + x = ADD_LONG( x, args[0] ); + y = ADD_LONG( y, args[1] ); + cff_builder_add_point( builder, x, y, + (FT_Bool)( count == 4 || count == 1 ) ); + args += 2; + } + + args = stack; + } + break; + + case cff_op_seac: + FT_TRACE4(( " seac\n" )); + + error = cff_operator_seac( decoder, + args[0], args[1], args[2], + (FT_Int)( args[3] >> 16 ), + (FT_Int)( args[4] >> 16 ) ); + + /* add current outline to the glyph slot */ + FT_GlyphLoader_Add( builder->loader ); + + /* return now! */ + FT_TRACE4(( "\n" )); + return error; + + case cff_op_endchar: + /* in dictionaries, `endchar' simply indicates end of data */ + if ( in_dict ) + return error; + + FT_TRACE4(( " endchar\n" )); + + /* We are going to emulate the seac operator. */ + if ( num_args >= 4 ) + { + /* Save glyph width so that the subglyphs don't overwrite it. */ + FT_Pos glyph_width = decoder->glyph_width; + + + error = cff_operator_seac( decoder, + 0L, args[-4], args[-3], + (FT_Int)( args[-2] >> 16 ), + (FT_Int)( args[-1] >> 16 ) ); + + decoder->glyph_width = glyph_width; + } + else + { + cff_builder_close_contour( builder ); + + /* close hints recording session */ + if ( hinter ) + { + if ( hinter->close( hinter->hints, + (FT_UInt)builder->current->n_points ) ) + goto Syntax_Error; + + /* apply hints to the loaded glyph outline now */ + error = hinter->apply( hinter->hints, + builder->current, + (PSH_Globals)builder->hints_globals, + decoder->hint_mode ); + if ( error ) + goto Fail; + } + + /* add current outline to the glyph slot */ + FT_GlyphLoader_Add( builder->loader ); + } + + /* return now! */ + FT_TRACE4(( "\n" )); + return error; + + case cff_op_abs: + FT_TRACE4(( " abs\n" )); + + if ( args[0] < 0 ) + { + if ( args[0] == FT_LONG_MIN ) + args[0] = FT_LONG_MAX; + else + args[0] = -args[0]; + } + args++; + break; + + case cff_op_add: + FT_TRACE4(( " add\n" )); + + args[0] = ADD_LONG( args[0], args[1] ); + args++; + break; + + case cff_op_sub: + FT_TRACE4(( " sub\n" )); + + args[0] = SUB_LONG( args[0], args[1] ); + args++; + break; + + case cff_op_div: + FT_TRACE4(( " div\n" )); + + args[0] = FT_DivFix( args[0], args[1] ); + args++; + break; + + case cff_op_neg: + FT_TRACE4(( " neg\n" )); + + if ( args[0] == FT_LONG_MIN ) + args[0] = FT_LONG_MAX; + args[0] = -args[0]; + args++; + break; + + case cff_op_random: + FT_TRACE4(( " random\n" )); + + /* only use the lower 16 bits of `random' */ + /* to generate a number in the range (0;1] */ + args[0] = (FT_Fixed) + ( ( decoder->current_subfont->random & 0xFFFF ) + 1 ); + args++; + + decoder->current_subfont->random = + cff_random( decoder->current_subfont->random ); + break; + + case cff_op_mul: + FT_TRACE4(( " mul\n" )); + + args[0] = FT_MulFix( args[0], args[1] ); + args++; + break; + + case cff_op_sqrt: + FT_TRACE4(( " sqrt\n" )); + + if ( args[0] > 0 ) + { + FT_Fixed root = args[0]; + FT_Fixed new_root; + + + for (;;) + { + new_root = ( root + FT_DivFix( args[0], root ) + 1 ) >> 1; + if ( new_root == root ) + break; + root = new_root; + } + args[0] = new_root; + } + else + args[0] = 0; + args++; + break; + + case cff_op_drop: + /* nothing */ + FT_TRACE4(( " drop\n" )); + + break; + + case cff_op_exch: + { + FT_Fixed tmp; + + + FT_TRACE4(( " exch\n" )); + + tmp = args[0]; + args[0] = args[1]; + args[1] = tmp; + args += 2; + } + break; + + case cff_op_index: + { + FT_Int idx = (FT_Int)( args[0] >> 16 ); + + + FT_TRACE4(( " index\n" )); + + if ( idx < 0 ) + idx = 0; + else if ( idx > num_args - 2 ) + idx = num_args - 2; + args[0] = args[-( idx + 1 )]; + args++; + } + break; + + case cff_op_roll: + { + FT_Int count = (FT_Int)( args[0] >> 16 ); + FT_Int idx = (FT_Int)( args[1] >> 16 ); + + + FT_TRACE4(( " roll\n" )); + + if ( count <= 0 ) + count = 1; + + args -= count; + if ( args < stack ) + goto Stack_Underflow; + + if ( idx >= 0 ) + { + while ( idx > 0 ) + { + FT_Fixed tmp = args[count - 1]; + FT_Int i; + + + for ( i = count - 2; i >= 0; i-- ) + args[i + 1] = args[i]; + args[0] = tmp; + idx--; + } + } + else + { + while ( idx < 0 ) + { + FT_Fixed tmp = args[0]; + FT_Int i; + + + for ( i = 0; i < count - 1; i++ ) + args[i] = args[i + 1]; + args[count - 1] = tmp; + idx++; + } + } + args += count; + } + break; + + case cff_op_dup: + FT_TRACE4(( " dup\n" )); + + args[1] = args[0]; + args += 2; + break; + + case cff_op_put: + { + FT_Fixed val = args[0]; + FT_Int idx = (FT_Int)( args[1] >> 16 ); + + + FT_TRACE4(( " put\n" )); + + /* the Type2 specification before version 16-March-2000 */ + /* didn't give a hard-coded size limit of the temporary */ + /* storage array; instead, an argument of the */ + /* `MultipleMaster' operator set the size */ + if ( idx >= 0 && idx < CFF_MAX_TRANS_ELEMENTS ) + decoder->buildchar[idx] = val; + } + break; + + case cff_op_get: + { + FT_Int idx = (FT_Int)( args[0] >> 16 ); + FT_Fixed val = 0; + + + FT_TRACE4(( " get\n" )); + + if ( idx >= 0 && idx < CFF_MAX_TRANS_ELEMENTS ) + val = decoder->buildchar[idx]; + + args[0] = val; + args++; + } + break; + + case cff_op_store: + /* this operator was removed from the Type2 specification */ + /* in version 16-March-2000 */ + + /* since we currently don't handle interpolation of multiple */ + /* master fonts, this is a no-op */ + FT_TRACE4(( " store\n" )); + break; + + case cff_op_load: + /* this operator was removed from the Type2 specification */ + /* in version 16-March-2000 */ + { + FT_Int reg_idx = (FT_Int)args[0]; + FT_Int idx = (FT_Int)args[1]; + FT_Int count = (FT_Int)args[2]; + + + FT_TRACE4(( " load\n" )); + + /* since we currently don't handle interpolation of multiple */ + /* master fonts, we store a vector [1 0 0 ...] in the */ + /* temporary storage array regardless of the Registry index */ + if ( reg_idx >= 0 && reg_idx <= 2 && + idx >= 0 && idx < CFF_MAX_TRANS_ELEMENTS && + count >= 0 && count <= num_axes ) + { + FT_Int end, i; + + + end = FT_MIN( idx + count, CFF_MAX_TRANS_ELEMENTS ); + + if ( idx < end ) + decoder->buildchar[idx] = 1 << 16; + + for ( i = idx + 1; i < end; i++ ) + decoder->buildchar[i] = 0; + } + } + break; + + case cff_op_blend: + /* this operator was removed from the Type2 specification */ + /* in version 16-March-2000 */ + { + FT_Int num_results = (FT_Int)( args[0] >> 16 ); + + + FT_TRACE4(( " blend\n" )); + + if ( num_results < 0 ) + goto Syntax_Error; + + if ( num_results * (FT_Int)num_designs > num_args ) + goto Stack_Underflow; + + /* since we currently don't handle interpolation of multiple */ + /* master fonts, return the `num_results' values of the */ + /* first master */ + args -= num_results * ( num_designs - 1 ); + num_args -= num_results * ( num_designs - 1 ); + } + break; + + case cff_op_dotsection: + /* this operator is deprecated and ignored by the parser */ + FT_TRACE4(( " dotsection\n" )); + break; + + case cff_op_closepath: + /* this is an invalid Type 2 operator; however, there */ + /* exist fonts which are incorrectly converted from probably */ + /* Type 1 to CFF, and some parsers seem to accept it */ + + FT_TRACE4(( " closepath (invalid op)\n" )); + + args = stack; + break; + + case cff_op_hsbw: + /* this is an invalid Type 2 operator; however, there */ + /* exist fonts which are incorrectly converted from probably */ + /* Type 1 to CFF, and some parsers seem to accept it */ + + FT_TRACE4(( " hsbw (invalid op)\n" )); + + decoder->glyph_width = + ADD_LONG( decoder->nominal_width, ( args[1] >> 16 ) ); + + decoder->builder.left_bearing.x = args[0]; + decoder->builder.left_bearing.y = 0; + + x = ADD_LONG( decoder->builder.pos_x, args[0] ); + y = decoder->builder.pos_y; + args = stack; + break; + + case cff_op_sbw: + /* this is an invalid Type 2 operator; however, there */ + /* exist fonts which are incorrectly converted from probably */ + /* Type 1 to CFF, and some parsers seem to accept it */ + + FT_TRACE4(( " sbw (invalid op)\n" )); + + decoder->glyph_width = + ADD_LONG( decoder->nominal_width, ( args[2] >> 16 ) ); + + decoder->builder.left_bearing.x = args[0]; + decoder->builder.left_bearing.y = args[1]; + + x = ADD_LONG( decoder->builder.pos_x, args[0] ); + y = ADD_LONG( decoder->builder.pos_y, args[1] ); + args = stack; + break; + + case cff_op_setcurrentpoint: + /* this is an invalid Type 2 operator; however, there */ + /* exist fonts which are incorrectly converted from probably */ + /* Type 1 to CFF, and some parsers seem to accept it */ + + FT_TRACE4(( " setcurrentpoint (invalid op)\n" )); + + x = ADD_LONG( decoder->builder.pos_x, args[0] ); + y = ADD_LONG( decoder->builder.pos_y, args[1] ); + args = stack; + break; + + case cff_op_callothersubr: + /* this is an invalid Type 2 operator; however, there */ + /* exist fonts which are incorrectly converted from probably */ + /* Type 1 to CFF, and some parsers seem to accept it */ + + FT_TRACE4(( " callothersubr (invalid op)\n" )); + + /* subsequent `pop' operands should add the arguments, */ + /* this is the implementation described for `unknown' other */ + /* subroutines in the Type1 spec. */ + /* */ + /* XXX Fix return arguments (see discussion below). */ + args -= 2 + ( args[-2] >> 16 ); + if ( args < stack ) + goto Stack_Underflow; + break; + + case cff_op_pop: + /* this is an invalid Type 2 operator; however, there */ + /* exist fonts which are incorrectly converted from probably */ + /* Type 1 to CFF, and some parsers seem to accept it */ + + FT_TRACE4(( " pop (invalid op)\n" )); + + /* XXX Increasing `args' is wrong: After a certain number of */ + /* `pop's we get a stack overflow. Reason for doing it is */ + /* code like this (actually found in a CFF font): */ + /* */ + /* 17 1 3 callothersubr */ + /* pop */ + /* callsubr */ + /* */ + /* Since we handle `callothersubr' as a no-op, and */ + /* `callsubr' needs at least one argument, `pop' can't be a */ + /* no-op too as it basically should be. */ + /* */ + /* The right solution would be to provide real support for */ + /* `callothersubr' as done in `t1decode.c', however, given */ + /* the fact that CFF fonts with `pop' are invalid, it is */ + /* questionable whether it is worth the time. */ + args++; + break; + + case cff_op_and: + { + FT_Fixed cond = ( args[0] && args[1] ); + + + FT_TRACE4(( " and\n" )); + + args[0] = cond ? 0x10000L : 0; + args++; + } + break; + + case cff_op_or: + { + FT_Fixed cond = ( args[0] || args[1] ); + + + FT_TRACE4(( " or\n" )); + + args[0] = cond ? 0x10000L : 0; + args++; + } + break; + + case cff_op_not: + { + FT_Fixed cond = !args[0]; + + + FT_TRACE4(( " not\n" )); + + args[0] = cond ? 0x10000L : 0; + args++; + } + break; + + case cff_op_eq: + { + FT_Fixed cond = ( args[0] == args[1] ); + + + FT_TRACE4(( " eq\n" )); + + args[0] = cond ? 0x10000L : 0; + args++; + } + break; + + case cff_op_ifelse: + { + FT_Fixed cond = ( args[2] <= args[3] ); + + + FT_TRACE4(( " ifelse\n" )); + + if ( !cond ) + args[0] = args[1]; + args++; + } + break; + + case cff_op_callsubr: + { + FT_UInt idx = (FT_UInt)( ( args[0] >> 16 ) + + decoder->locals_bias ); + + + FT_TRACE4(( " callsubr (idx %d, entering level %d)\n", + idx, + zone - decoder->zones + 1 )); + + if ( idx >= decoder->num_locals ) + { + FT_ERROR(( "cff_decoder_parse_charstrings:" + " invalid local subr index\n" )); + goto Syntax_Error; + } + + if ( zone - decoder->zones >= CFF_MAX_SUBRS_CALLS ) + { + FT_ERROR(( "cff_decoder_parse_charstrings:" + " too many nested subrs\n" )); + goto Syntax_Error; + } + + zone->cursor = ip; /* save current instruction pointer */ + + zone++; + zone->base = decoder->locals[idx]; + zone->limit = decoder->locals[idx + 1]; + zone->cursor = zone->base; + + if ( !zone->base || zone->limit == zone->base ) + { + FT_ERROR(( "cff_decoder_parse_charstrings:" + " invoking empty subrs\n" )); + goto Syntax_Error; + } + + decoder->zone = zone; + ip = zone->base; + limit = zone->limit; + } + break; + + case cff_op_callgsubr: + { + FT_UInt idx = (FT_UInt)( ( args[0] >> 16 ) + + decoder->globals_bias ); + + + FT_TRACE4(( " callgsubr (idx %d, entering level %d)\n", + idx, + zone - decoder->zones + 1 )); + + if ( idx >= decoder->num_globals ) + { + FT_ERROR(( "cff_decoder_parse_charstrings:" + " invalid global subr index\n" )); + goto Syntax_Error; + } + + if ( zone - decoder->zones >= CFF_MAX_SUBRS_CALLS ) + { + FT_ERROR(( "cff_decoder_parse_charstrings:" + " too many nested subrs\n" )); + goto Syntax_Error; + } + + zone->cursor = ip; /* save current instruction pointer */ + + zone++; + zone->base = decoder->globals[idx]; + zone->limit = decoder->globals[idx + 1]; + zone->cursor = zone->base; + + if ( !zone->base || zone->limit == zone->base ) + { + FT_ERROR(( "cff_decoder_parse_charstrings:" + " invoking empty subrs\n" )); + goto Syntax_Error; + } + + decoder->zone = zone; + ip = zone->base; + limit = zone->limit; + } + break; + + case cff_op_return: + FT_TRACE4(( " return (leaving level %d)\n", + decoder->zone - decoder->zones )); + + if ( decoder->zone <= decoder->zones ) + { + FT_ERROR(( "cff_decoder_parse_charstrings:" + " unexpected return\n" )); + goto Syntax_Error; + } + + decoder->zone--; + zone = decoder->zone; + ip = zone->cursor; + limit = zone->limit; + break; + + default: + FT_ERROR(( "Unimplemented opcode: %d", ip[-1] )); + + if ( ip[-1] == 12 ) + FT_ERROR(( " %d", ip[0] )); + FT_ERROR(( "\n" )); + + return FT_THROW( Unimplemented_Feature ); + } + + decoder->top = args; + + if ( decoder->top - stack >= CFF_MAX_OPERANDS ) + goto Stack_Overflow; + + } /* general operator processing */ + + } /* while ip < limit */ + + FT_TRACE4(( "..end..\n\n" )); + + Fail: + return error; + + MM_Error: + FT_TRACE4(( "cff_decoder_parse_charstrings:" + " invalid opcode found in top DICT charstring\n")); + return FT_THROW( Invalid_File_Format ); + + Syntax_Error: + FT_TRACE4(( "cff_decoder_parse_charstrings: syntax error\n" )); + return FT_THROW( Invalid_File_Format ); + + Stack_Underflow: + FT_TRACE4(( "cff_decoder_parse_charstrings: stack underflow\n" )); + return FT_THROW( Too_Few_Arguments ); + + Stack_Overflow: + FT_TRACE4(( "cff_decoder_parse_charstrings: stack overflow\n" )); + return FT_THROW( Stack_Overflow ); + } + +#endif /* CFF_CONFIG_OPTION_OLD_ENGINE */ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cff_decoder_init */ + /* */ + /* <Description> */ + /* Initializes a given glyph decoder. */ + /* */ + /* <InOut> */ + /* decoder :: A pointer to the glyph builder to initialize. */ + /* */ + /* <Input> */ + /* face :: The current face object. */ + /* */ + /* size :: The current size object. */ + /* */ + /* slot :: The current glyph object. */ + /* */ + /* hinting :: Whether hinting is active. */ + /* */ + /* hint_mode :: The hinting mode. */ + /* */ + FT_LOCAL_DEF( void ) + cff_decoder_init( CFF_Decoder* decoder, + TT_Face face, + CFF_Size size, + CFF_GlyphSlot slot, + FT_Bool hinting, + FT_Render_Mode hint_mode, + CFF_Decoder_Get_Glyph_Callback get_callback, + CFF_Decoder_Free_Glyph_Callback free_callback ) + { + CFF_Font cff = (CFF_Font)face->extra.data; + + + /* clear everything */ + FT_ZERO( decoder ); + + /* initialize builder */ + cff_builder_init( &decoder->builder, face, size, slot, hinting ); + + /* initialize Type2 decoder */ + decoder->cff = cff; + decoder->num_globals = cff->global_subrs_index.count; + decoder->globals = cff->global_subrs; + decoder->globals_bias = cff_compute_bias( + cff->top_font.font_dict.charstring_type, + decoder->num_globals ); + + decoder->hint_mode = hint_mode; + + decoder->get_glyph_callback = get_callback; + decoder->free_glyph_callback = free_callback; + } + + + /* this function is used to select the subfont */ + /* and the locals subrs array */ + FT_LOCAL_DEF( FT_Error ) + cff_decoder_prepare( CFF_Decoder* decoder, + CFF_Size size, + FT_UInt glyph_index ) + { + CFF_Builder *builder = &decoder->builder; + CFF_Font cff = (CFF_Font)builder->face->extra.data; + CFF_SubFont sub = &cff->top_font; + FT_Error error = FT_Err_Ok; + + FT_Service_CFFLoad cffload = (FT_Service_CFFLoad)cff->cffload; + + + /* manage CID fonts */ + if ( cff->num_subfonts ) + { + FT_Byte fd_index = cffload->fd_select_get( &cff->fd_select, + glyph_index ); + + + if ( fd_index >= cff->num_subfonts ) + { + FT_TRACE4(( "cff_decoder_prepare: invalid CID subfont index\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + FT_TRACE3(( " in subfont %d:\n", fd_index )); + + sub = cff->subfonts[fd_index]; + + if ( builder->hints_funcs && size ) + { + FT_Size ftsize = FT_SIZE( size ); + CFF_Internal internal = (CFF_Internal)ftsize->internal->module_data; + + + /* for CFFs without subfonts, this value has already been set */ + builder->hints_globals = (void *)internal->subfonts[fd_index]; + } + } + + decoder->num_locals = sub->local_subrs_index.count; + decoder->locals = sub->local_subrs; + decoder->locals_bias = cff_compute_bias( + decoder->cff->top_font.font_dict.charstring_type, + decoder->num_locals ); + + decoder->glyph_width = sub->private_dict.default_width; + decoder->nominal_width = sub->private_dict.nominal_width; + + decoder->current_subfont = sub; + + Exit: + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/cffdecode.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/cffdecode.h new file mode 100644 index 00000000000..0d4f5fef631 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/cffdecode.h @@ -0,0 +1,64 @@ +/***************************************************************************/ +/* */ +/* cffdecode.h */ +/* */ +/* PostScript CFF (Type 2) decoding routines (specification). */ +/* */ +/* Copyright 2017-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef CFFDECODE_H_ +#define CFFDECODE_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_POSTSCRIPT_AUX_H + + +FT_BEGIN_HEADER + + FT_LOCAL( void ) + cff_decoder_init( CFF_Decoder* decoder, + TT_Face face, + CFF_Size size, + CFF_GlyphSlot slot, + FT_Bool hinting, + FT_Render_Mode hint_mode, + CFF_Decoder_Get_Glyph_Callback get_callback, + CFF_Decoder_Free_Glyph_Callback free_callback ); + + FT_LOCAL( FT_Error ) + cff_decoder_prepare( CFF_Decoder* decoder, + CFF_Size size, + FT_UInt glyph_index ); + + + FT_LOCAL( FT_Int ) + cff_lookup_glyph_by_stdcharcode( CFF_Font cff, + FT_Int charcode ); + + +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + FT_LOCAL( FT_Error ) + cff_decoder_parse_charstrings( CFF_Decoder* decoder, + FT_Byte* charstring_base, + FT_ULong charstring_len, + FT_Bool in_dict ); +#endif + + +FT_END_HEADER + +#endif + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psarrst.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psarrst.c new file mode 100644 index 00000000000..a8780947f9d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psarrst.c @@ -0,0 +1,241 @@ +/***************************************************************************/ +/* */ +/* psarrst.c */ +/* */ +/* Adobe's code for Array Stacks (body). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#include "psft.h" +#include FT_INTERNAL_DEBUG_H + +#include "psglue.h" +#include "psarrst.h" + +#include "pserror.h" + + + /* + * CF2_ArrStack uses an error pointer, to enable shared errors. + * Shared errors are necessary when multiple objects allow the program + * to continue after detecting errors. Only the first error should be + * recorded. + */ + + FT_LOCAL_DEF( void ) + cf2_arrstack_init( CF2_ArrStack arrstack, + FT_Memory memory, + FT_Error* error, + size_t sizeItem ) + { + FT_ASSERT( arrstack ); + + /* initialize the structure */ + arrstack->memory = memory; + arrstack->error = error; + arrstack->sizeItem = sizeItem; + arrstack->allocated = 0; + arrstack->chunk = 10; /* chunks of 10 items */ + arrstack->count = 0; + arrstack->totalSize = 0; + arrstack->ptr = NULL; + } + + + FT_LOCAL_DEF( void ) + cf2_arrstack_finalize( CF2_ArrStack arrstack ) + { + FT_Memory memory = arrstack->memory; /* for FT_FREE */ + + + FT_ASSERT( arrstack ); + + arrstack->allocated = 0; + arrstack->count = 0; + arrstack->totalSize = 0; + + /* free the data buffer */ + FT_FREE( arrstack->ptr ); + } + + + /* allocate or reallocate the buffer size; */ + /* return false on memory error */ + static FT_Bool + cf2_arrstack_setNumElements( CF2_ArrStack arrstack, + size_t numElements ) + { + FT_ASSERT( arrstack ); + + { + FT_Error error = FT_Err_Ok; /* for FT_REALLOC */ + FT_Memory memory = arrstack->memory; /* for FT_REALLOC */ + + size_t newSize = numElements * arrstack->sizeItem; + + + if ( numElements > FT_LONG_MAX / arrstack->sizeItem ) + goto exit; + + + FT_ASSERT( newSize > 0 ); /* avoid realloc with zero size */ + + if ( !FT_REALLOC( arrstack->ptr, arrstack->totalSize, newSize ) ) + { + arrstack->allocated = numElements; + arrstack->totalSize = newSize; + + if ( arrstack->count > numElements ) + { + /* we truncated the list! */ + CF2_SET_ERROR( arrstack->error, Stack_Overflow ); + arrstack->count = numElements; + return FALSE; + } + + return TRUE; /* success */ + } + } + + exit: + /* if there's not already an error, store this one */ + CF2_SET_ERROR( arrstack->error, Out_Of_Memory ); + + return FALSE; + } + + + /* set the count, ensuring allocation is sufficient */ + FT_LOCAL_DEF( void ) + cf2_arrstack_setCount( CF2_ArrStack arrstack, + size_t numElements ) + { + FT_ASSERT( arrstack ); + + if ( numElements > arrstack->allocated ) + { + /* expand the allocation first */ + if ( !cf2_arrstack_setNumElements( arrstack, numElements ) ) + return; + } + + arrstack->count = numElements; + } + + + /* clear the count */ + FT_LOCAL_DEF( void ) + cf2_arrstack_clear( CF2_ArrStack arrstack ) + { + FT_ASSERT( arrstack ); + + arrstack->count = 0; + } + + + /* current number of items */ + FT_LOCAL_DEF( size_t ) + cf2_arrstack_size( const CF2_ArrStack arrstack ) + { + FT_ASSERT( arrstack ); + + return arrstack->count; + } + + + FT_LOCAL_DEF( void* ) + cf2_arrstack_getBuffer( const CF2_ArrStack arrstack ) + { + FT_ASSERT( arrstack ); + + return arrstack->ptr; + } + + + /* return pointer to the given element */ + FT_LOCAL_DEF( void* ) + cf2_arrstack_getPointer( const CF2_ArrStack arrstack, + size_t idx ) + { + void* newPtr; + + + FT_ASSERT( arrstack ); + + if ( idx >= arrstack->count ) + { + /* overflow */ + CF2_SET_ERROR( arrstack->error, Stack_Overflow ); + idx = 0; /* choose safe default */ + } + + newPtr = (FT_Byte*)arrstack->ptr + idx * arrstack->sizeItem; + + return newPtr; + } + + + /* push (append) an element at the end of the list; */ + /* return false on memory error */ + /* TODO: should there be a length param for extra checking? */ + FT_LOCAL_DEF( void ) + cf2_arrstack_push( CF2_ArrStack arrstack, + const void* ptr ) + { + FT_ASSERT( arrstack ); + + if ( arrstack->count == arrstack->allocated ) + { + /* grow the buffer by one chunk */ + if ( !cf2_arrstack_setNumElements( + arrstack, arrstack->allocated + arrstack->chunk ) ) + { + /* on error, ignore the push */ + return; + } + } + + FT_ASSERT( ptr ); + + { + size_t offset = arrstack->count * arrstack->sizeItem; + void* newPtr = (FT_Byte*)arrstack->ptr + offset; + + + FT_MEM_COPY( newPtr, ptr, arrstack->sizeItem ); + arrstack->count += 1; + } + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psarrst.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psarrst.h new file mode 100644 index 00000000000..b3568eb61fc --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psarrst.h @@ -0,0 +1,100 @@ +/***************************************************************************/ +/* */ +/* psarrst.h */ +/* */ +/* Adobe's code for Array Stacks (specification). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSARRST_H_ +#define PSARRST_H_ + + +#include "pserror.h" + + +FT_BEGIN_HEADER + + + /* need to define the struct here (not opaque) so it can be allocated by */ + /* clients */ + typedef struct CF2_ArrStackRec_ + { + FT_Memory memory; + FT_Error* error; + + size_t sizeItem; /* bytes per element */ + size_t allocated; /* items allocated */ + size_t chunk; /* allocation increment in items */ + size_t count; /* number of elements allocated */ + size_t totalSize; /* total bytes allocated */ + + void* ptr; /* ptr to data */ + + } CF2_ArrStackRec, *CF2_ArrStack; + + + FT_LOCAL( void ) + cf2_arrstack_init( CF2_ArrStack arrstack, + FT_Memory memory, + FT_Error* error, + size_t sizeItem ); + FT_LOCAL( void ) + cf2_arrstack_finalize( CF2_ArrStack arrstack ); + + FT_LOCAL( void ) + cf2_arrstack_setCount( CF2_ArrStack arrstack, + size_t numElements ); + FT_LOCAL( void ) + cf2_arrstack_clear( CF2_ArrStack arrstack ); + FT_LOCAL( size_t ) + cf2_arrstack_size( const CF2_ArrStack arrstack ); + + FT_LOCAL( void* ) + cf2_arrstack_getBuffer( const CF2_ArrStack arrstack ); + FT_LOCAL( void* ) + cf2_arrstack_getPointer( const CF2_ArrStack arrstack, + size_t idx ); + + FT_LOCAL( void ) + cf2_arrstack_push( CF2_ArrStack arrstack, + const void* ptr ); + + +FT_END_HEADER + + +#endif /* PSARRST_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psauxerr.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psauxerr.h new file mode 100644 index 00000000000..cc33fd2eeac --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psauxerr.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* psauxerr.h */ +/* */ +/* PS auxiliary module error codes (specification only). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the PS auxiliary module error enumeration */ + /* constants. */ + /* */ + /*************************************************************************/ + +#ifndef PSAUXERR_H_ +#define PSAUXERR_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX PSaux_Err_ +#define FT_ERR_BASE FT_Mod_Err_PSaux + +#include FT_ERRORS_H + +#endif /* PSAUXERR_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psauxmod.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psauxmod.c new file mode 100644 index 00000000000..ee497085cc2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psauxmod.c @@ -0,0 +1,191 @@ +/***************************************************************************/ +/* */ +/* psauxmod.c */ +/* */ +/* FreeType auxiliary PostScript module implementation (body). */ +/* */ +/* Copyright 2000-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include "psauxmod.h" +#include "psobjs.h" +#include "t1decode.h" +#include "t1cmap.h" +#include "psft.h" +#include "cffdecode.h" + +#ifndef T1_CONFIG_OPTION_NO_AFM +#include "afmparse.h" +#endif + + + FT_CALLBACK_TABLE_DEF + const PS_Table_FuncsRec ps_table_funcs = + { + ps_table_new, /* init */ + ps_table_done, /* done */ + ps_table_add, /* add */ + ps_table_release /* release */ + }; + + + FT_CALLBACK_TABLE_DEF + const PS_Parser_FuncsRec ps_parser_funcs = + { + ps_parser_init, /* init */ + ps_parser_done, /* done */ + + ps_parser_skip_spaces, /* skip_spaces */ + ps_parser_skip_PS_token, /* skip_PS_token */ + + ps_parser_to_int, /* to_int */ + ps_parser_to_fixed, /* to_fixed */ + ps_parser_to_bytes, /* to_bytes */ + ps_parser_to_coord_array, /* to_coord_array */ + ps_parser_to_fixed_array, /* to_fixed_array */ + ps_parser_to_token, /* to_token */ + ps_parser_to_token_array, /* to_token_array */ + + ps_parser_load_field, /* load_field */ + ps_parser_load_field_table /* load_field_table */ + }; + + + FT_CALLBACK_TABLE_DEF + const PS_Builder_FuncsRec ps_builder_funcs = + { + ps_builder_init, /* init */ + ps_builder_done /* done */ + }; + + + FT_CALLBACK_TABLE_DEF + const T1_Builder_FuncsRec t1_builder_funcs = + { + t1_builder_init, /* init */ + t1_builder_done, /* done */ + + t1_builder_check_points, /* check_points */ + t1_builder_add_point, /* add_point */ + t1_builder_add_point1, /* add_point1 */ + t1_builder_add_contour, /* add_contour */ + t1_builder_start_point, /* start_point */ + t1_builder_close_contour /* close_contour */ + }; + + + FT_CALLBACK_TABLE_DEF + const T1_Decoder_FuncsRec t1_decoder_funcs = + { + t1_decoder_init, /* init */ + t1_decoder_done, /* done */ +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + t1_decoder_parse_charstrings, /* parse_charstrings_old */ +#else + t1_decoder_parse_metrics, /* parse_metrics */ +#endif + cf2_decoder_parse_charstrings /* parse_charstrings */ + }; + + +#ifndef T1_CONFIG_OPTION_NO_AFM + FT_CALLBACK_TABLE_DEF + const AFM_Parser_FuncsRec afm_parser_funcs = + { + afm_parser_init, /* init */ + afm_parser_done, /* done */ + afm_parser_parse /* parse */ + }; +#endif + + + FT_CALLBACK_TABLE_DEF + const T1_CMap_ClassesRec t1_cmap_classes = + { + &t1_cmap_standard_class_rec, + &t1_cmap_expert_class_rec, + &t1_cmap_custom_class_rec, + &t1_cmap_unicode_class_rec + }; + + + FT_CALLBACK_TABLE_DEF + const CFF_Builder_FuncsRec cff_builder_funcs = + { + cff_builder_init, /* init */ + cff_builder_done, /* done */ + + cff_check_points, /* check_points */ + cff_builder_add_point, /* add_point */ + cff_builder_add_point1, /* add_point1 */ + cff_builder_add_contour, /* add_contour */ + cff_builder_start_point, /* start_point */ + cff_builder_close_contour /* close_contour */ + }; + + + FT_CALLBACK_TABLE_DEF + const CFF_Decoder_FuncsRec cff_decoder_funcs = + { + cff_decoder_init, /* init */ + cff_decoder_prepare, /* prepare */ + +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + cff_decoder_parse_charstrings, /* parse_charstrings_old */ +#endif + cf2_decoder_parse_charstrings /* parse_charstrings */ + }; + + + static + const PSAux_Interface psaux_interface = + { + &ps_table_funcs, + &ps_parser_funcs, + &t1_builder_funcs, + &t1_decoder_funcs, + t1_decrypt, + cff_random, + ps_decoder_init, + t1_make_subfont, + + (const T1_CMap_ClassesRec*) &t1_cmap_classes, + +#ifndef T1_CONFIG_OPTION_NO_AFM + &afm_parser_funcs, +#else + 0, +#endif + + &cff_decoder_funcs, + }; + + + FT_CALLBACK_TABLE_DEF + const FT_Module_Class psaux_module_class = + { + 0, + sizeof ( FT_ModuleRec ), + "psaux", + 0x20000L, + 0x20000L, + + &psaux_interface, /* module-specific interface */ + + (FT_Module_Constructor)NULL, /* module_init */ + (FT_Module_Destructor) NULL, /* module_done */ + (FT_Module_Requester) NULL /* get_interface */ + }; + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psauxmod.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psauxmod.h new file mode 100644 index 00000000000..f30978f0220 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psauxmod.h @@ -0,0 +1,51 @@ +/***************************************************************************/ +/* */ +/* psauxmod.h */ +/* */ +/* FreeType auxiliary PostScript module implementation (specification). */ +/* */ +/* Copyright 2000-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSAUXMOD_H_ +#define PSAUXMOD_H_ + + +#include <ft2build.h> +#include FT_MODULE_H + +#include FT_INTERNAL_POSTSCRIPT_AUX_H + + +FT_BEGIN_HEADER + +#ifdef FT_CONFIG_OPTION_PIC +#error "this module does not support PIC yet" +#endif + + + FT_CALLBACK_TABLE + const CFF_Builder_FuncsRec cff_builder_funcs; + + FT_CALLBACK_TABLE + const PS_Builder_FuncsRec ps_builder_funcs; + + + FT_EXPORT_VAR( const FT_Module_Class ) psaux_driver_class; + + +FT_END_HEADER + +#endif /* PSAUXMOD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psblues.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psblues.c new file mode 100644 index 00000000000..ae39d03c777 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psblues.c @@ -0,0 +1,582 @@ +/***************************************************************************/ +/* */ +/* psblues.c */ +/* */ +/* Adobe's code for handling Blue Zones (body). */ +/* */ +/* Copyright 2009-2014 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#include "psft.h" +#include FT_INTERNAL_DEBUG_H + +#include "psblues.h" +#include "pshints.h" +#include "psfont.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cf2blues + + + /* + * For blue values, the FreeType parser produces an array of integers, + * while the Adobe CFF engine produces an array of fixed. + * Define a macro to convert FreeType to fixed. + */ +#define cf2_blueToFixed( x ) cf2_intToFixed( x ) + + + FT_LOCAL_DEF( void ) + cf2_blues_init( CF2_Blues blues, + CF2_Font font ) + { + /* pointer to parsed font object */ + PS_Decoder* decoder = font->decoder; + + CF2_Fixed zoneHeight; + CF2_Fixed maxZoneHeight = 0; + CF2_Fixed csUnitsPerPixel; + + size_t numBlueValues; + size_t numOtherBlues; + size_t numFamilyBlues; + size_t numFamilyOtherBlues; + + FT_Pos* blueValues; + FT_Pos* otherBlues; + FT_Pos* familyBlues; + FT_Pos* familyOtherBlues; + + size_t i; + CF2_Fixed emBoxBottom, emBoxTop; + +#if 0 + CF2_Int unitsPerEm = font->unitsPerEm; + + + if ( unitsPerEm == 0 ) + unitsPerEm = 1000; +#endif + + FT_ZERO( blues ); + blues->scale = font->innerTransform.d; + + cf2_getBlueMetrics( decoder, + &blues->blueScale, + &blues->blueShift, + &blues->blueFuzz ); + + cf2_getBlueValues( decoder, &numBlueValues, &blueValues ); + cf2_getOtherBlues( decoder, &numOtherBlues, &otherBlues ); + cf2_getFamilyBlues( decoder, &numFamilyBlues, &familyBlues ); + cf2_getFamilyOtherBlues( decoder, &numFamilyOtherBlues, &familyOtherBlues ); + + /* + * synthetic em box hint heuristic + * + * Apply this when ideographic dictionary (LanguageGroup 1) has no + * real alignment zones. Adobe tools generate dummy zones at -250 and + * 1100 for a 1000 unit em. Fonts with ICF-based alignment zones + * should not enable the heuristic. When the heuristic is enabled, + * the font's blue zones are ignored. + * + */ + + /* get em box from OS/2 typoAscender/Descender */ + /* TODO: FreeType does not parse these metrics. Skip them for now. */ +#if 0 + FCM_getHorizontalLineMetrics( &e, + font->font, + &ascender, + &descender, + &linegap ); + if ( ascender - descender == unitsPerEm ) + { + emBoxBottom = cf2_intToFixed( descender ); + emBoxTop = cf2_intToFixed( ascender ); + } + else +#endif + { + emBoxBottom = CF2_ICF_Bottom; + emBoxTop = CF2_ICF_Top; + } + + if ( cf2_getLanguageGroup( decoder ) == 1 && + ( numBlueValues == 0 || + ( numBlueValues == 4 && + cf2_blueToFixed( blueValues[0] ) < emBoxBottom && + cf2_blueToFixed( blueValues[1] ) < emBoxBottom && + cf2_blueToFixed( blueValues[2] ) > emBoxTop && + cf2_blueToFixed( blueValues[3] ) > emBoxTop ) ) ) + { + /* + * Construct hint edges suitable for synthetic ghost hints at top + * and bottom of em box. +-CF2_MIN_COUNTER allows for unhinted + * features above or below the last hinted edge. This also gives a + * net 1 pixel boost to the height of ideographic glyphs. + * + * Note: Adjust synthetic hints outward by epsilon (0x.0001) to + * avoid interference. E.g., some fonts have real hints at + * 880 and -120. + */ + + blues->emBoxBottomEdge.csCoord = emBoxBottom - CF2_FIXED_EPSILON; + blues->emBoxBottomEdge.dsCoord = cf2_fixedRound( + FT_MulFix( + blues->emBoxBottomEdge.csCoord, + blues->scale ) ) - + CF2_MIN_COUNTER; + blues->emBoxBottomEdge.scale = blues->scale; + blues->emBoxBottomEdge.flags = CF2_GhostBottom | + CF2_Locked | + CF2_Synthetic; + + blues->emBoxTopEdge.csCoord = emBoxTop + CF2_FIXED_EPSILON + + 2 * font->darkenY; + blues->emBoxTopEdge.dsCoord = cf2_fixedRound( + FT_MulFix( + blues->emBoxTopEdge.csCoord, + blues->scale ) ) + + CF2_MIN_COUNTER; + blues->emBoxTopEdge.scale = blues->scale; + blues->emBoxTopEdge.flags = CF2_GhostTop | + CF2_Locked | + CF2_Synthetic; + + blues->doEmBoxHints = TRUE; /* enable the heuristic */ + + return; + } + + /* copy `BlueValues' and `OtherBlues' to a combined array of top and */ + /* bottom zones */ + for ( i = 0; i < numBlueValues; i += 2 ) + { + blues->zone[blues->count].csBottomEdge = + cf2_blueToFixed( blueValues[i] ); + blues->zone[blues->count].csTopEdge = + cf2_blueToFixed( blueValues[i + 1] ); + + zoneHeight = SUB_INT32( blues->zone[blues->count].csTopEdge, + blues->zone[blues->count].csBottomEdge ); + + if ( zoneHeight < 0 ) + { + FT_TRACE4(( "cf2_blues_init: ignoring negative zone height\n" )); + continue; /* reject this zone */ + } + + if ( zoneHeight > maxZoneHeight ) + { + /* take maximum before darkening adjustment */ + /* so overshoot suppression point doesn't change */ + maxZoneHeight = zoneHeight; + } + + /* adjust both edges of top zone upward by twice darkening amount */ + if ( i != 0 ) + { + blues->zone[blues->count].csTopEdge += 2 * font->darkenY; + blues->zone[blues->count].csBottomEdge += 2 * font->darkenY; + } + + /* first `BlueValue' is bottom zone; others are top */ + if ( i == 0 ) + { + blues->zone[blues->count].bottomZone = + TRUE; + blues->zone[blues->count].csFlatEdge = + blues->zone[blues->count].csTopEdge; + } + else + { + blues->zone[blues->count].bottomZone = + FALSE; + blues->zone[blues->count].csFlatEdge = + blues->zone[blues->count].csBottomEdge; + } + + blues->count += 1; + } + + for ( i = 0; i < numOtherBlues; i += 2 ) + { + blues->zone[blues->count].csBottomEdge = + cf2_blueToFixed( otherBlues[i] ); + blues->zone[blues->count].csTopEdge = + cf2_blueToFixed( otherBlues[i + 1] ); + + zoneHeight = SUB_INT32( blues->zone[blues->count].csTopEdge, + blues->zone[blues->count].csBottomEdge ); + + if ( zoneHeight < 0 ) + { + FT_TRACE4(( "cf2_blues_init: ignoring negative zone height\n" )); + continue; /* reject this zone */ + } + + if ( zoneHeight > maxZoneHeight ) + { + /* take maximum before darkening adjustment */ + /* so overshoot suppression point doesn't change */ + maxZoneHeight = zoneHeight; + } + + /* Note: bottom zones are not adjusted for darkening amount */ + + /* all OtherBlues are bottom zone */ + blues->zone[blues->count].bottomZone = + TRUE; + blues->zone[blues->count].csFlatEdge = + blues->zone[blues->count].csTopEdge; + + blues->count += 1; + } + + /* Adjust for FamilyBlues */ + + /* Search for the nearest flat edge in `FamilyBlues' or */ + /* `FamilyOtherBlues'. According to the Black Book, any matching edge */ + /* must be within one device pixel */ + + csUnitsPerPixel = FT_DivFix( cf2_intToFixed( 1 ), blues->scale ); + + /* loop on all zones in this font */ + for ( i = 0; i < blues->count; i++ ) + { + size_t j; + CF2_Fixed minDiff; + CF2_Fixed flatFamilyEdge, diff; + /* value for this font */ + CF2_Fixed flatEdge = blues->zone[i].csFlatEdge; + + + if ( blues->zone[i].bottomZone ) + { + /* In a bottom zone, the top edge is the flat edge. */ + /* Search `FamilyOtherBlues' for bottom zones; look for closest */ + /* Family edge that is within the one pixel threshold. */ + + minDiff = CF2_FIXED_MAX; + + for ( j = 0; j < numFamilyOtherBlues; j += 2 ) + { + /* top edge */ + flatFamilyEdge = cf2_blueToFixed( familyOtherBlues[j + 1] ); + + diff = cf2_fixedAbs( SUB_INT32( flatEdge, flatFamilyEdge ) ); + + if ( diff < minDiff && diff < csUnitsPerPixel ) + { + blues->zone[i].csFlatEdge = flatFamilyEdge; + minDiff = diff; + + if ( diff == 0 ) + break; + } + } + + /* check the first member of FamilyBlues, which is a bottom zone */ + if ( numFamilyBlues >= 2 ) + { + /* top edge */ + flatFamilyEdge = cf2_blueToFixed( familyBlues[1] ); + + diff = cf2_fixedAbs( SUB_INT32( flatEdge, flatFamilyEdge ) ); + + if ( diff < minDiff && diff < csUnitsPerPixel ) + blues->zone[i].csFlatEdge = flatFamilyEdge; + } + } + else + { + /* In a top zone, the bottom edge is the flat edge. */ + /* Search `FamilyBlues' for top zones; skip first zone, which is a */ + /* bottom zone; look for closest Family edge that is within the */ + /* one pixel threshold */ + + minDiff = CF2_FIXED_MAX; + + for ( j = 2; j < numFamilyBlues; j += 2 ) + { + /* bottom edge */ + flatFamilyEdge = cf2_blueToFixed( familyBlues[j] ); + + /* adjust edges of top zone upward by twice darkening amount */ + flatFamilyEdge += 2 * font->darkenY; /* bottom edge */ + + diff = cf2_fixedAbs( SUB_INT32( flatEdge, flatFamilyEdge ) ); + + if ( diff < minDiff && diff < csUnitsPerPixel ) + { + blues->zone[i].csFlatEdge = flatFamilyEdge; + minDiff = diff; + + if ( diff == 0 ) + break; + } + } + } + } + + /* TODO: enforce separation of zones, including BlueFuzz */ + + /* Adjust BlueScale; similar to AdjustBlueScale() in coretype */ + /* `bcsetup.c'. */ + + if ( maxZoneHeight > 0 ) + { + if ( blues->blueScale > FT_DivFix( cf2_intToFixed( 1 ), + maxZoneHeight ) ) + { + /* clamp at maximum scale */ + blues->blueScale = FT_DivFix( cf2_intToFixed( 1 ), + maxZoneHeight ); + } + + /* + * TODO: Revisit the bug fix for 613448. The minimum scale + * requirement catches a number of library fonts. For + * example, with default BlueScale (.039625) and 0.4 minimum, + * the test below catches any font with maxZoneHeight < 10.1. + * There are library fonts ranging from 2 to 10 that get + * caught, including e.g., Eurostile LT Std Medium with + * maxZoneHeight of 6. + * + */ +#if 0 + if ( blueScale < .4 / maxZoneHeight ) + { + tetraphilia_assert( 0 ); + /* clamp at minimum scale, per bug 0613448 fix */ + blueScale = .4 / maxZoneHeight; + } +#endif + + } + + /* + * Suppress overshoot and boost blue zones at small sizes. Boost + * amount varies linearly from 0.5 pixel near 0 to 0 pixel at + * blueScale cutoff. + * Note: This boost amount is different from the coretype heuristic. + * + */ + + if ( blues->scale < blues->blueScale ) + { + blues->suppressOvershoot = TRUE; + + /* Change rounding threshold for `dsFlatEdge'. */ + /* Note: constant changed from 0.5 to 0.6 to avoid a problem with */ + /* 10ppem Arial */ + + blues->boost = cf2_doubleToFixed( .6 ) - + FT_MulDiv( cf2_doubleToFixed ( .6 ), + blues->scale, + blues->blueScale ); + if ( blues->boost > 0x7FFF ) + { + /* boost must remain less than 0.5, or baseline could go negative */ + blues->boost = 0x7FFF; + } + } + + /* boost and darkening have similar effects; don't do both */ + if ( font->stemDarkened ) + blues->boost = 0; + + /* set device space alignment for each zone; */ + /* apply boost amount before rounding flat edge */ + + for ( i = 0; i < blues->count; i++ ) + { + if ( blues->zone[i].bottomZone ) + blues->zone[i].dsFlatEdge = cf2_fixedRound( + FT_MulFix( + blues->zone[i].csFlatEdge, + blues->scale ) - + blues->boost ); + else + blues->zone[i].dsFlatEdge = cf2_fixedRound( + FT_MulFix( + blues->zone[i].csFlatEdge, + blues->scale ) + + blues->boost ); + } + } + + + /* + * Check whether `stemHint' is captured by one of the blue zones. + * + * Zero, one or both edges may be valid; only valid edges can be + * captured. For compatibility with CoolType, search top and bottom + * zones in the same pass (see `BlueLock'). If a hint is captured, + * return true and position the edge(s) in one of 3 ways: + * + * 1) If `BlueScale' suppresses overshoot, position the captured edge + * at the flat edge of the zone. + * 2) If overshoot is not suppressed and `BlueShift' requires + * overshoot, position the captured edge a minimum of 1 device pixel + * from the flat edge. + * 3) If overshoot is not suppressed or required, position the captured + * edge at the nearest device pixel. + * + */ + FT_LOCAL_DEF( FT_Bool ) + cf2_blues_capture( const CF2_Blues blues, + CF2_Hint bottomHintEdge, + CF2_Hint topHintEdge ) + { + /* TODO: validate? */ + CF2_Fixed csFuzz = blues->blueFuzz; + + /* new position of captured edge */ + CF2_Fixed dsNew; + + /* amount that hint is moved when positioned */ + CF2_Fixed dsMove = 0; + + FT_Bool captured = FALSE; + CF2_UInt i; + + + /* assert edge flags are consistent */ + FT_ASSERT( !cf2_hint_isTop( bottomHintEdge ) && + !cf2_hint_isBottom( topHintEdge ) ); + + /* TODO: search once without blue fuzz for compatibility with coretype? */ + for ( i = 0; i < blues->count; i++ ) + { + if ( blues->zone[i].bottomZone && + cf2_hint_isBottom( bottomHintEdge ) ) + { + if ( SUB_INT32( blues->zone[i].csBottomEdge, csFuzz ) <= + bottomHintEdge->csCoord && + bottomHintEdge->csCoord <= + ADD_INT32( blues->zone[i].csTopEdge, csFuzz ) ) + { + /* bottom edge captured by bottom zone */ + + if ( blues->suppressOvershoot ) + dsNew = blues->zone[i].dsFlatEdge; + + else if ( SUB_INT32( blues->zone[i].csTopEdge, + bottomHintEdge->csCoord ) >= + blues->blueShift ) + { + /* guarantee minimum of 1 pixel overshoot */ + dsNew = FT_MIN( + cf2_fixedRound( bottomHintEdge->dsCoord ), + blues->zone[i].dsFlatEdge - cf2_intToFixed( 1 ) ); + } + + else + { + /* simply round captured edge */ + dsNew = cf2_fixedRound( bottomHintEdge->dsCoord ); + } + + dsMove = SUB_INT32( dsNew, bottomHintEdge->dsCoord ); + captured = TRUE; + + break; + } + } + + if ( !blues->zone[i].bottomZone && cf2_hint_isTop( topHintEdge ) ) + { + if ( SUB_INT32( blues->zone[i].csBottomEdge, csFuzz ) <= + topHintEdge->csCoord && + topHintEdge->csCoord <= + ADD_INT32( blues->zone[i].csTopEdge, csFuzz ) ) + { + /* top edge captured by top zone */ + + if ( blues->suppressOvershoot ) + dsNew = blues->zone[i].dsFlatEdge; + + else if ( SUB_INT32( topHintEdge->csCoord, + blues->zone[i].csBottomEdge ) >= + blues->blueShift ) + { + /* guarantee minimum of 1 pixel overshoot */ + dsNew = FT_MAX( + cf2_fixedRound( topHintEdge->dsCoord ), + blues->zone[i].dsFlatEdge + cf2_intToFixed( 1 ) ); + } + + else + { + /* simply round captured edge */ + dsNew = cf2_fixedRound( topHintEdge->dsCoord ); + } + + dsMove = SUB_INT32( dsNew, topHintEdge->dsCoord ); + captured = TRUE; + + break; + } + } + } + + if ( captured ) + { + /* move both edges and flag them `locked' */ + if ( cf2_hint_isValid( bottomHintEdge ) ) + { + bottomHintEdge->dsCoord = ADD_INT32( bottomHintEdge->dsCoord, + dsMove ); + cf2_hint_lock( bottomHintEdge ); + } + + if ( cf2_hint_isValid( topHintEdge ) ) + { + topHintEdge->dsCoord = ADD_INT32( topHintEdge->dsCoord, dsMove ); + cf2_hint_lock( topHintEdge ); + } + } + + return captured; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psblues.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psblues.h new file mode 100644 index 00000000000..25ef6849c77 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psblues.h @@ -0,0 +1,185 @@ +/***************************************************************************/ +/* */ +/* psblues.h */ +/* */ +/* Adobe's code for handling Blue Zones (specification). */ +/* */ +/* Copyright 2009-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + + /* + * A `CF2_Blues' object stores the blue zones (horizontal alignment + * zones) of a font. These are specified in the CFF private dictionary + * by `BlueValues', `OtherBlues', `FamilyBlues', and `FamilyOtherBlues'. + * Each zone is defined by a top and bottom edge in character space. + * Further, each zone is either a top zone or a bottom zone, as recorded + * by `bottomZone'. + * + * The maximum number of `BlueValues' and `FamilyBlues' is 7 each. + * However, these are combined to produce a total of 7 zones. + * Similarly, the maximum number of `OtherBlues' and `FamilyOtherBlues' + * is 5 and these are combined to produce an additional 5 zones. + * + * Blue zones are used to `capture' hints and force them to a common + * alignment point. This alignment is recorded in device space in + * `dsFlatEdge'. Except for this value, a `CF2_Blues' object could be + * constructed independently of scaling. Construction may occur once + * the matrix is known. Other features implemented in the Capture + * method are overshoot suppression, overshoot enforcement, and Blue + * Boost. + * + * Capture is determined by `BlueValues' and `OtherBlues', but the + * alignment point may be adjusted to the scaled flat edge of + * `FamilyBlues' or `FamilyOtherBlues'. No alignment is done to the + * curved edge of a zone. + * + */ + + +#ifndef PSBLUES_H_ +#define PSBLUES_H_ + + +#include "psglue.h" + + +FT_BEGIN_HEADER + + + /* + * `CF2_Hint' is shared by `cf2hints.h' and + * `cf2blues.h', but `cf2blues.h' depends on + * `cf2hints.h', so define it here. Note: The typedef is in + * `cf2glue.h'. + * + */ + enum + { + CF2_GhostBottom = 0x1, /* a single bottom edge */ + CF2_GhostTop = 0x2, /* a single top edge */ + CF2_PairBottom = 0x4, /* the bottom edge of a stem hint */ + CF2_PairTop = 0x8, /* the top edge of a stem hint */ + CF2_Locked = 0x10, /* this edge has been aligned */ + /* by a blue zone */ + CF2_Synthetic = 0x20 /* this edge was synthesized */ + }; + + + /* + * Default value for OS/2 typoAscender/Descender when their difference + * is not equal to `unitsPerEm'. The default is based on -250 and 1100 + * in `CF2_Blues', assuming 1000 units per em here. + * + */ + enum + { + CF2_ICF_Top = cf2_intToFixed( 880 ), + CF2_ICF_Bottom = cf2_intToFixed( -120 ) + }; + + + /* + * Constant used for hint adjustment and for synthetic em box hint + * placement. + */ +#define CF2_MIN_COUNTER cf2_doubleToFixed( 0.5 ) + + + /* shared typedef is in cf2glue.h */ + struct CF2_HintRec_ + { + CF2_UInt flags; /* attributes of the edge */ + size_t index; /* index in original stem hint array */ + /* (if not synthetic) */ + CF2_Fixed csCoord; + CF2_Fixed dsCoord; + CF2_Fixed scale; + }; + + + typedef struct CF2_BlueRec_ + { + CF2_Fixed csBottomEdge; + CF2_Fixed csTopEdge; + CF2_Fixed csFlatEdge; /* may be from either local or Family zones */ + CF2_Fixed dsFlatEdge; /* top edge of bottom zone or bottom edge */ + /* of top zone (rounded) */ + FT_Bool bottomZone; + + } CF2_BlueRec; + + + /* max total blue zones is 12 */ + enum + { + CF2_MAX_BLUES = 7, + CF2_MAX_OTHERBLUES = 5 + }; + + + typedef struct CF2_BluesRec_ + { + CF2_Fixed scale; + CF2_UInt count; + FT_Bool suppressOvershoot; + FT_Bool doEmBoxHints; + + CF2_Fixed blueScale; + CF2_Fixed blueShift; + CF2_Fixed blueFuzz; + + CF2_Fixed boost; + + CF2_HintRec emBoxTopEdge; + CF2_HintRec emBoxBottomEdge; + + CF2_BlueRec zone[CF2_MAX_BLUES + CF2_MAX_OTHERBLUES]; + + } CF2_BluesRec, *CF2_Blues; + + + FT_LOCAL( void ) + cf2_blues_init( CF2_Blues blues, + CF2_Font font ); + FT_LOCAL( FT_Bool ) + cf2_blues_capture( const CF2_Blues blues, + CF2_Hint bottomHintEdge, + CF2_Hint topHintEdge ); + + +FT_END_HEADER + + +#endif /* PSBLUES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psconv.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psconv.c new file mode 100644 index 00000000000..a03385000df --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psconv.c @@ -0,0 +1,611 @@ +/***************************************************************************/ +/* */ +/* psconv.c */ +/* */ +/* Some convenience conversions (body). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_INTERNAL_DEBUG_H + +#include "psconv.h" +#include "psauxerr.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_psconv + + + /* The following array is used by various functions to quickly convert */ + /* digits (both decimal and non-decimal) into numbers. */ + +#if 'A' == 65 + /* ASCII */ + + static const FT_Char ft_char_table[128] = + { + /* 0x00 */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, + -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, + -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, + }; + + /* no character >= 0x80 can represent a valid number */ +#define OP >= + +#endif /* 'A' == 65 */ + +#if 'A' == 193 + /* EBCDIC */ + + static const FT_Char ft_char_table[128] = + { + /* 0x80 */ + -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, -1, -1, -1, -1, -1, -1, + -1, 19, 20, 21, 22, 23, 24, 25, 26, 27, -1, -1, -1, -1, -1, -1, + -1, -1, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, -1, -1, -1, -1, -1, -1, + -1, 19, 20, 21, 22, 23, 24, 25, 26, 27, -1, -1, -1, -1, -1, -1, + -1, -1, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, -1, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, + }; + + /* no character < 0x80 can represent a valid number */ +#define OP < + +#endif /* 'A' == 193 */ + + + FT_LOCAL_DEF( FT_Long ) + PS_Conv_Strtol( FT_Byte** cursor, + FT_Byte* limit, + FT_Long base ) + { + FT_Byte* p = *cursor; + + FT_Long num = 0; + FT_Bool sign = 0; + FT_Bool have_overflow = 0; + + FT_Long num_limit; + FT_Char c_limit; + + + if ( p >= limit ) + goto Bad; + + if ( base < 2 || base > 36 ) + { + FT_TRACE4(( "!!!INVALID BASE:!!!" )); + return 0; + } + + if ( *p == '-' || *p == '+' ) + { + sign = FT_BOOL( *p == '-' ); + + p++; + if ( p == limit ) + goto Bad; + + /* only a single sign is allowed */ + if ( *p == '-' || *p == '+' ) + return 0; + } + + num_limit = 0x7FFFFFFFL / base; + c_limit = (FT_Char)( 0x7FFFFFFFL % base ); + + for ( ; p < limit; p++ ) + { + FT_Char c; + + + if ( IS_PS_SPACE( *p ) || *p OP 0x80 ) + break; + + c = ft_char_table[*p & 0x7F]; + + if ( c < 0 || c >= base ) + break; + + if ( num > num_limit || ( num == num_limit && c > c_limit ) ) + have_overflow = 1; + else + num = num * base + c; + } + + *cursor = p; + + if ( have_overflow ) + { + num = 0x7FFFFFFFL; + FT_TRACE4(( "!!!OVERFLOW:!!!" )); + } + + if ( sign ) + num = -num; + + return num; + + Bad: + FT_TRACE4(( "!!!END OF DATA:!!!" )); + return 0; + } + + + FT_LOCAL_DEF( FT_Long ) + PS_Conv_ToInt( FT_Byte** cursor, + FT_Byte* limit ) + + { + FT_Byte* p = *cursor; + FT_Byte* curp; + + FT_Long num; + + + curp = p; + num = PS_Conv_Strtol( &p, limit, 10 ); + + if ( p == curp ) + return 0; + + if ( p < limit && *p == '#' ) + { + p++; + + curp = p; + num = PS_Conv_Strtol( &p, limit, num ); + + if ( p == curp ) + return 0; + } + + *cursor = p; + + return num; + } + + + FT_LOCAL_DEF( FT_Fixed ) + PS_Conv_ToFixed( FT_Byte** cursor, + FT_Byte* limit, + FT_Long power_ten ) + { + FT_Byte* p = *cursor; + FT_Byte* curp; + + FT_Fixed integral = 0; + FT_Long decimal = 0; + FT_Long divider = 1; + + FT_Bool sign = 0; + FT_Bool have_overflow = 0; + FT_Bool have_underflow = 0; + + + if ( p >= limit ) + goto Bad; + + if ( *p == '-' || *p == '+' ) + { + sign = FT_BOOL( *p == '-' ); + + p++; + if ( p == limit ) + goto Bad; + + /* only a single sign is allowed */ + if ( *p == '-' || *p == '+' ) + return 0; + } + + /* read the integer part */ + if ( *p != '.' ) + { + curp = p; + integral = PS_Conv_ToInt( &p, limit ); + + if ( p == curp ) + return 0; + + if ( integral > 0x7FFF ) + have_overflow = 1; + else + integral = (FT_Fixed)( (FT_UInt32)integral << 16 ); + } + + /* read the decimal part */ + if ( p < limit && *p == '.' ) + { + p++; + + for ( ; p < limit; p++ ) + { + FT_Char c; + + + if ( IS_PS_SPACE( *p ) || *p OP 0x80 ) + break; + + c = ft_char_table[*p & 0x7F]; + + if ( c < 0 || c >= 10 ) + break; + + /* only add digit if we don't overflow */ + if ( divider < 0xCCCCCCCL && decimal < 0xCCCCCCCL ) + { + decimal = decimal * 10 + c; + + if ( !integral && power_ten > 0 ) + power_ten--; + else + divider *= 10; + } + } + } + + /* read exponent, if any */ + if ( p + 1 < limit && ( *p == 'e' || *p == 'E' ) ) + { + FT_Long exponent; + + + p++; + + curp = p; + exponent = PS_Conv_ToInt( &p, limit ); + + if ( curp == p ) + return 0; + + /* arbitrarily limit exponent */ + if ( exponent > 1000 ) + have_overflow = 1; + else if ( exponent < -1000 ) + have_underflow = 1; + else + power_ten += exponent; + } + + *cursor = p; + + if ( !integral && !decimal ) + return 0; + + if ( have_overflow ) + goto Overflow; + if ( have_underflow ) + goto Underflow; + + while ( power_ten > 0 ) + { + if ( integral >= 0xCCCCCCCL ) + goto Overflow; + integral *= 10; + + if ( decimal >= 0xCCCCCCCL ) + { + if ( divider == 1 ) + goto Overflow; + divider /= 10; + } + else + decimal *= 10; + + power_ten--; + } + + while ( power_ten < 0 ) + { + integral /= 10; + if ( divider < 0xCCCCCCCL ) + divider *= 10; + else + decimal /= 10; + + if ( !integral && !decimal ) + goto Underflow; + + power_ten++; + } + + if ( decimal ) + { + decimal = FT_DivFix( decimal, divider ); + /* it's not necessary to check this addition for overflow */ + /* due to the structure of the real number representation */ + integral += decimal; + } + + Exit: + if ( sign ) + integral = -integral; + + return integral; + + Bad: + FT_TRACE4(( "!!!END OF DATA:!!!" )); + return 0; + + Overflow: + integral = 0x7FFFFFFFL; + FT_TRACE4(( "!!!OVERFLOW:!!!" )); + goto Exit; + + Underflow: + FT_TRACE4(( "!!!UNDERFLOW:!!!" )); + return 0; + } + + +#if 0 + FT_LOCAL_DEF( FT_UInt ) + PS_Conv_StringDecode( FT_Byte** cursor, + FT_Byte* limit, + FT_Byte* buffer, + FT_Offset n ) + { + FT_Byte* p; + FT_UInt r = 0; + + + for ( p = *cursor; r < n && p < limit; p++ ) + { + FT_Byte b; + + + if ( *p != '\\' ) + { + buffer[r++] = *p; + + continue; + } + + p++; + + switch ( *p ) + { + case 'n': + b = '\n'; + break; + case 'r': + b = '\r'; + break; + case 't': + b = '\t'; + break; + case 'b': + b = '\b'; + break; + case 'f': + b = '\f'; + break; + case '\r': + p++; + if ( *p != '\n' ) + { + b = *p; + + break; + } + /* no break */ + case '\n': + continue; + break; + default: + if ( IS_PS_DIGIT( *p ) ) + { + b = *p - '0'; + + p++; + + if ( IS_PS_DIGIT( *p ) ) + { + b = b * 8 + *p - '0'; + + p++; + + if ( IS_PS_DIGIT( *p ) ) + b = b * 8 + *p - '0'; + else + { + buffer[r++] = b; + b = *p; + } + } + else + { + buffer[r++] = b; + b = *p; + } + } + else + b = *p; + break; + } + + buffer[r++] = b; + } + + *cursor = p; + + return r; + } +#endif /* 0 */ + + + FT_LOCAL_DEF( FT_UInt ) + PS_Conv_ASCIIHexDecode( FT_Byte** cursor, + FT_Byte* limit, + FT_Byte* buffer, + FT_Offset n ) + { + FT_Byte* p; + FT_UInt r = 0; + FT_UInt w = 0; + FT_UInt pad = 0x01; + + + n *= 2; + +#if 1 + + p = *cursor; + + if ( p >= limit ) + return 0; + + if ( n > (FT_UInt)( limit - p ) ) + n = (FT_UInt)( limit - p ); + + /* we try to process two nibbles at a time to be as fast as possible */ + for ( ; r < n; r++ ) + { + FT_UInt c = p[r]; + + + if ( IS_PS_SPACE( c ) ) + continue; + + if ( c OP 0x80 ) + break; + + c = (FT_UInt)ft_char_table[c & 0x7F]; + if ( c >= 16 ) + break; + + pad = ( pad << 4 ) | c; + if ( pad & 0x100 ) + { + buffer[w++] = (FT_Byte)pad; + pad = 0x01; + } + } + + if ( pad != 0x01 ) + buffer[w++] = (FT_Byte)( pad << 4 ); + + *cursor = p + r; + + return w; + +#else /* 0 */ + + for ( r = 0; r < n; r++ ) + { + FT_Char c; + + + if ( IS_PS_SPACE( *p ) ) + continue; + + if ( *p OP 0x80 ) + break; + + c = ft_char_table[*p & 0x7F]; + + if ( (unsigned)c >= 16 ) + break; + + if ( r & 1 ) + { + *buffer = (FT_Byte)(*buffer + c); + buffer++; + } + else + *buffer = (FT_Byte)(c << 4); + + r++; + } + + *cursor = p; + + return ( r + 1 ) / 2; + +#endif /* 0 */ + + } + + + FT_LOCAL_DEF( FT_UInt ) + PS_Conv_EexecDecode( FT_Byte** cursor, + FT_Byte* limit, + FT_Byte* buffer, + FT_Offset n, + FT_UShort* seed ) + { + FT_Byte* p; + FT_UInt r; + FT_UInt s = *seed; + + +#if 1 + + p = *cursor; + + if ( p >= limit ) + return 0; + + if ( n > (FT_UInt)(limit - p) ) + n = (FT_UInt)(limit - p); + + for ( r = 0; r < n; r++ ) + { + FT_UInt val = p[r]; + FT_UInt b = ( val ^ ( s >> 8 ) ); + + + s = ( (val + s)*52845U + 22719 ) & 0xFFFFU; + buffer[r] = (FT_Byte) b; + } + + *cursor = p + n; + *seed = (FT_UShort)s; + +#else /* 0 */ + + for ( r = 0, p = *cursor; r < n && p < limit; r++, p++ ) + { + FT_Byte b = (FT_Byte)( *p ^ ( s >> 8 ) ); + + + s = (FT_UShort)( ( *p + s ) * 52845U + 22719 ); + *buffer++ = b; + } + *cursor = p; + *seed = s; + +#endif /* 0 */ + + return r; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psconv.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psconv.h new file mode 100644 index 00000000000..d643ffcfc2c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psconv.h @@ -0,0 +1,71 @@ +/***************************************************************************/ +/* */ +/* psconv.h */ +/* */ +/* Some convenience conversions (specification). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSCONV_H_ +#define PSCONV_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_POSTSCRIPT_AUX_H + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Long ) + PS_Conv_Strtol( FT_Byte** cursor, + FT_Byte* limit, + FT_Long base ); + + + FT_LOCAL( FT_Long ) + PS_Conv_ToInt( FT_Byte** cursor, + FT_Byte* limit ); + + FT_LOCAL( FT_Fixed ) + PS_Conv_ToFixed( FT_Byte** cursor, + FT_Byte* limit, + FT_Long power_ten ); + +#if 0 + FT_LOCAL( FT_UInt ) + PS_Conv_StringDecode( FT_Byte** cursor, + FT_Byte* limit, + FT_Byte* buffer, + FT_Offset n ); +#endif + + FT_LOCAL( FT_UInt ) + PS_Conv_ASCIIHexDecode( FT_Byte** cursor, + FT_Byte* limit, + FT_Byte* buffer, + FT_Offset n ); + + FT_LOCAL( FT_UInt ) + PS_Conv_EexecDecode( FT_Byte** cursor, + FT_Byte* limit, + FT_Byte* buffer, + FT_Offset n, + FT_UShort* seed ); + + +FT_END_HEADER + +#endif /* PSCONV_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pserror.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pserror.c new file mode 100644 index 00000000000..9169e5222d0 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pserror.c @@ -0,0 +1,52 @@ +/***************************************************************************/ +/* */ +/* pserror.c */ +/* */ +/* Adobe's code for error handling (body). */ +/* */ +/* Copyright 2006-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#include "psft.h" +#include "pserror.h" + + + FT_LOCAL_DEF( void ) + cf2_setError( FT_Error* error, + FT_Error value ) + { + if ( error && !*error ) + *error = value; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pserror.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pserror.h new file mode 100644 index 00000000000..13d52062bf3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pserror.h @@ -0,0 +1,119 @@ +/***************************************************************************/ +/* */ +/* pserror.h */ +/* */ +/* Adobe's code for error handling (specification). */ +/* */ +/* Copyright 2006-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSERROR_H_ +#define PSERROR_H_ + + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX CF2_Err_ +#define FT_ERR_BASE FT_Mod_Err_CF2 + + +#include FT_ERRORS_H +#include "psft.h" + + +FT_BEGIN_HEADER + + + /* + * A poor-man error facility. + * + * This code being written in vanilla C, doesn't have the luxury of a + * language-supported exception mechanism such as the one available in + * Java. Instead, we are stuck with using error codes that must be + * carefully managed and preserved. However, it is convenient for us to + * model our error mechanism on a Java-like exception mechanism. + * When we assign an error code we are thus `throwing' an error. + * + * The preservation of an error code is done by coding convention. + * Upon a function call if the error code is anything other than + * `FT_Err_Ok', which is guaranteed to be zero, we + * will return without altering that error. This will allow the + * error to propagate and be handled at the appropriate location in + * the code. + * + * This allows a style of code where the error code is initialized + * up front and a block of calls are made with the error code only + * being checked after the block. If a new error occurs, the original + * error will be preserved and a functional no-op should result in any + * subsequent function that has an initial error code not equal to + * `FT_Err_Ok'. + * + * Errors are encoded by calling the `FT_THROW' macro. For example, + * + * { + * FT_Error e; + * + * + * ... + * e = FT_THROW( Out_Of_Memory ); + * } + * + */ + + + /* Set error code to a particular value. */ + FT_LOCAL( void ) + cf2_setError( FT_Error* error, + FT_Error value ); + + + /* + * A macro that conditionally sets an error code. + * + * This macro will first check whether `error' is set; + * if not, it will set it to `e'. + * + */ +#define CF2_SET_ERROR( error, e ) \ + cf2_setError( error, FT_THROW( e ) ) + + +FT_END_HEADER + + +#endif /* PSERROR_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psfixed.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psfixed.h new file mode 100644 index 00000000000..219589e7fc7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psfixed.h @@ -0,0 +1,95 @@ +/***************************************************************************/ +/* */ +/* psfixed.h */ +/* */ +/* Adobe's code for Fixed Point Mathematics (specification only). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSFIXED_H_ +#define PSFIXED_H_ + + +FT_BEGIN_HEADER + + + /* rasterizer integer and fixed point arithmetic must be 32-bit */ + +#define CF2_Fixed CF2_F16Dot16 + typedef FT_Int32 CF2_Frac; /* 2.30 fixed point */ + + +#define CF2_FIXED_MAX ( (CF2_Fixed)0x7FFFFFFFL ) +#define CF2_FIXED_MIN ( (CF2_Fixed)0x80000000L ) +#define CF2_FIXED_ONE ( (CF2_Fixed)0x10000L ) +#define CF2_FIXED_EPSILON ( (CF2_Fixed)0x0001 ) + + /* in C 89, left and right shift of negative numbers is */ + /* implementation specific behaviour in the general case */ + +#define cf2_intToFixed( i ) \ + ( (CF2_Fixed)( (FT_UInt32)(i) << 16 ) ) +#define cf2_fixedToInt( x ) \ + ( (FT_Short)( ( (FT_UInt32)(x) + 0x8000U ) >> 16 ) ) +#define cf2_fixedRound( x ) \ + ( (CF2_Fixed)( ( (FT_UInt32)(x) + 0x8000U ) & 0xFFFF0000UL ) ) +#define cf2_doubleToFixed( f ) \ + ( (CF2_Fixed)( (f) * 65536.0 + 0.5 ) ) +#define cf2_fixedAbs( x ) \ + ( (x) < 0 ? NEG_INT32( x ) : (x) ) +#define cf2_fixedFloor( x ) \ + ( (CF2_Fixed)( (FT_UInt32)(x) & 0xFFFF0000UL ) ) +#define cf2_fixedFraction( x ) \ + ( (x) - cf2_fixedFloor( x ) ) +#define cf2_fracToFixed( x ) \ + ( (x) < 0 ? -( ( -(x) + 0x2000 ) >> 14 ) \ + : ( ( (x) + 0x2000 ) >> 14 ) ) + + + /* signed numeric types */ + typedef enum CF2_NumberType_ + { + CF2_NumberFixed, /* 16.16 */ + CF2_NumberFrac, /* 2.30 */ + CF2_NumberInt /* 32.0 */ + + } CF2_NumberType; + + +FT_END_HEADER + + +#endif /* PSFIXED_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psfont.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psfont.c new file mode 100644 index 00000000000..dde67a739d6 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psfont.c @@ -0,0 +1,567 @@ +/***************************************************************************/ +/* */ +/* psfont.c */ +/* */ +/* Adobe's code for font instances (body). */ +/* */ +/* Copyright 2007-2014 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_CALC_H + +#include "psft.h" + +#include "psglue.h" +#include "psfont.h" +#include "pserror.h" +#include "psintrp.h" + + + /* Compute a stem darkening amount in character space. */ + static void + cf2_computeDarkening( CF2_Fixed emRatio, + CF2_Fixed ppem, + CF2_Fixed stemWidth, + CF2_Fixed* darkenAmount, + CF2_Fixed boldenAmount, + FT_Bool stemDarkened, + FT_Int* darkenParams ) + { + /* + * Total darkening amount is computed in 1000 unit character space + * using the modified 5 part curve as Adobe's Avalon rasterizer. + * The darkening amount is smaller for thicker stems. + * It becomes zero when the stem is thicker than 2.333 pixels. + * + * By default, we use + * + * darkenAmount = 0.4 pixels if scaledStem <= 0.5 pixels, + * darkenAmount = 0.275 pixels if 1 <= scaledStem <= 1.667 pixels, + * darkenAmount = 0 pixel if scaledStem >= 2.333 pixels, + * + * and piecewise linear in-between: + * + * + * darkening + * ^ + * | + * | (x1,y1) + * |--------+ + * | \ + * | \ + * | \ (x3,y3) + * | +----------+ + * | (x2,y2) \ + * | \ + * | \ + * | +----------------- + * | (x4,y4) + * +---------------------------------------------> stem + * thickness + * + * + * This corresponds to the following values for the + * `darkening-parameters' property: + * + * (x1, y1) = (500, 400) + * (x2, y2) = (1000, 275) + * (x3, y3) = (1667, 275) + * (x4, y4) = (2333, 0) + * + */ + + /* Internal calculations are done in units per thousand for */ + /* convenience. The x axis is scaled stem width in */ + /* thousandths of a pixel. That is, 1000 is 1 pixel. */ + /* The y axis is darkening amount in thousandths of a pixel.*/ + /* In the code, below, dividing by ppem and */ + /* adjusting for emRatio converts darkenAmount to character */ + /* space (font units). */ + CF2_Fixed stemWidthPer1000, scaledStem; + FT_Int logBase2; + + + *darkenAmount = 0; + + if ( boldenAmount == 0 && !stemDarkened ) + return; + + /* protect against range problems and divide by zero */ + if ( emRatio < cf2_doubleToFixed( .01 ) ) + return; + + if ( stemDarkened ) + { + FT_Int x1 = darkenParams[0]; + FT_Int y1 = darkenParams[1]; + FT_Int x2 = darkenParams[2]; + FT_Int y2 = darkenParams[3]; + FT_Int x3 = darkenParams[4]; + FT_Int y3 = darkenParams[5]; + FT_Int x4 = darkenParams[6]; + FT_Int y4 = darkenParams[7]; + + + /* convert from true character space to 1000 unit character space; */ + /* add synthetic emboldening effect */ + + /* `stemWidthPer1000' will not overflow for a legitimate font */ + + stemWidthPer1000 = FT_MulFix( stemWidth + boldenAmount, emRatio ); + + /* `scaledStem' can easily overflow, so we must clamp its maximum */ + /* value; the test doesn't need to be precise, but must be */ + /* conservative. The clamp value (default 2333) where */ + /* `darkenAmount' is zero is well below the overflow value of */ + /* 32767. */ + /* */ + /* FT_MSB computes the integer part of the base 2 logarithm. The */ + /* number of bits for the product is 1 or 2 more than the sum of */ + /* logarithms; remembering that the 16 lowest bits of the fraction */ + /* are dropped this is correct to within a factor of almost 4. */ + /* For example, 0x80.0000 * 0x80.0000 = 0x4000.0000 is 23+23 and */ + /* is flagged as possible overflow because 0xFF.FFFF * 0xFF.FFFF = */ + /* 0xFFFF.FE00 is also 23+23. */ + + logBase2 = FT_MSB( (FT_UInt32)stemWidthPer1000 ) + + FT_MSB( (FT_UInt32)ppem ); + + if ( logBase2 >= 46 ) + /* possible overflow */ + scaledStem = cf2_intToFixed( x4 ); + else + scaledStem = FT_MulFix( stemWidthPer1000, ppem ); + + /* now apply the darkening parameters */ + + if ( scaledStem < cf2_intToFixed( x1 ) ) + *darkenAmount = FT_DivFix( cf2_intToFixed( y1 ), ppem ); + + else if ( scaledStem < cf2_intToFixed( x2 ) ) + { + FT_Int xdelta = x2 - x1; + FT_Int ydelta = y2 - y1; + FT_Int x = stemWidthPer1000 - + FT_DivFix( cf2_intToFixed( x1 ), ppem ); + + + if ( !xdelta ) + goto Try_x3; + + *darkenAmount = FT_MulDiv( x, ydelta, xdelta ) + + FT_DivFix( cf2_intToFixed( y1 ), ppem ); + } + + else if ( scaledStem < cf2_intToFixed( x3 ) ) + { + Try_x3: + { + FT_Int xdelta = x3 - x2; + FT_Int ydelta = y3 - y2; + FT_Int x = stemWidthPer1000 - + FT_DivFix( cf2_intToFixed( x2 ), ppem ); + + + if ( !xdelta ) + goto Try_x4; + + *darkenAmount = FT_MulDiv( x, ydelta, xdelta ) + + FT_DivFix( cf2_intToFixed( y2 ), ppem ); + } + } + + else if ( scaledStem < cf2_intToFixed( x4 ) ) + { + Try_x4: + { + FT_Int xdelta = x4 - x3; + FT_Int ydelta = y4 - y3; + FT_Int x = stemWidthPer1000 - + FT_DivFix( cf2_intToFixed( x3 ), ppem ); + + + if ( !xdelta ) + goto Use_y4; + + *darkenAmount = FT_MulDiv( x, ydelta, xdelta ) + + FT_DivFix( cf2_intToFixed( y3 ), ppem ); + } + } + + else + { + Use_y4: + *darkenAmount = FT_DivFix( cf2_intToFixed( y4 ), ppem ); + } + + /* use half the amount on each side and convert back to true */ + /* character space */ + *darkenAmount = FT_DivFix( *darkenAmount, 2 * emRatio ); + } + + /* add synthetic emboldening effect in character space */ + *darkenAmount += boldenAmount / 2; + } + + + /* set up values for the current FontDict and matrix; */ + /* called for each glyph to be rendered */ + + /* caller's transform is adjusted for subpixel positioning */ + static void + cf2_font_setup( CF2_Font font, + const CF2_Matrix* transform ) + { + /* pointer to parsed font object */ + PS_Decoder* decoder = font->decoder; + + FT_Bool needExtraSetup = FALSE; + + CFF_VStoreRec* vstore; + FT_Bool hasVariations = FALSE; + + /* character space units */ + CF2_Fixed boldenX = font->syntheticEmboldeningAmountX; + CF2_Fixed boldenY = font->syntheticEmboldeningAmountY; + + CFF_SubFont subFont; + CF2_Fixed ppem; + + CF2_UInt lenNormalizedV = 0; + FT_Fixed* normalizedV = NULL; + + /* clear previous error */ + font->error = FT_Err_Ok; + + /* if a CID fontDict has changed, we need to recompute some cached */ + /* data */ + subFont = cf2_getSubfont( decoder ); + if ( font->lastSubfont != subFont ) + { + font->lastSubfont = subFont; + needExtraSetup = TRUE; + } + + if ( !font->isT1 ) + { + FT_Service_CFFLoad cffload = (FT_Service_CFFLoad)font->cffload; + + + /* check for variation vectors */ + vstore = cf2_getVStore( decoder ); + hasVariations = ( vstore->dataCount != 0 ); + + if ( hasVariations ) + { +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* check whether Private DICT in this subfont needs to be reparsed */ + font->error = cf2_getNormalizedVector( decoder, + &lenNormalizedV, + &normalizedV ); + if ( font->error ) + return; + + if ( cffload->blend_check_vector( &subFont->blend, + subFont->private_dict.vsindex, + lenNormalizedV, + normalizedV ) ) + { + /* blend has changed, reparse */ + cffload->load_private_dict( decoder->cff, + subFont, + lenNormalizedV, + normalizedV ); + needExtraSetup = TRUE; + } +#endif + + /* copy from subfont */ + font->blend.font = subFont->blend.font; + + /* clear state of charstring blend */ + font->blend.usedBV = FALSE; + + /* initialize value for charstring */ + font->vsindex = subFont->private_dict.vsindex; + + /* store vector inputs for blends in charstring */ + font->lenNDV = lenNormalizedV; + font->NDV = normalizedV; + } + } + + /* if ppem has changed, we need to recompute some cached data */ + /* note: because of CID font matrix concatenation, ppem and transform */ + /* do not necessarily track. */ + ppem = cf2_getPpemY( decoder ); + if ( font->ppem != ppem ) + { + font->ppem = ppem; + needExtraSetup = TRUE; + } + + /* copy hinted flag on each call */ + font->hinted = (FT_Bool)( font->renderingFlags & CF2_FlagsHinted ); + + /* determine if transform has changed; */ + /* include Fontmatrix but ignore translation */ + if ( ft_memcmp( transform, + &font->currentTransform, + 4 * sizeof ( CF2_Fixed ) ) != 0 ) + { + /* save `key' information for `cache of one' matrix data; */ + /* save client transform, without the translation */ + font->currentTransform = *transform; + font->currentTransform.tx = + font->currentTransform.ty = cf2_intToFixed( 0 ); + + /* TODO: FreeType transform is simple scalar; for now, use identity */ + /* for outer */ + font->innerTransform = *transform; + font->outerTransform.a = + font->outerTransform.d = cf2_intToFixed( 1 ); + font->outerTransform.b = + font->outerTransform.c = cf2_intToFixed( 0 ); + + needExtraSetup = TRUE; + } + + /* + * font->darkened is set to true if there is a stem darkening request or + * the font is synthetic emboldened. + * font->darkened controls whether to adjust blue zones, winding order, + * and hinting. + * + */ + if ( font->stemDarkened != ( font->renderingFlags & CF2_FlagsDarkened ) ) + { + font->stemDarkened = + (FT_Bool)( font->renderingFlags & CF2_FlagsDarkened ); + + /* blue zones depend on darkened flag */ + needExtraSetup = TRUE; + } + + /* recompute variables that are dependent on transform or FontDict or */ + /* darken flag */ + if ( needExtraSetup ) + { + /* StdVW is found in the private dictionary; */ + /* recompute darkening amounts whenever private dictionary or */ + /* transform change */ + /* Note: a rendering flag turns darkening on or off, so we want to */ + /* store the `on' amounts; */ + /* darkening amount is computed in character space */ + /* TODO: testing size-dependent darkening here; */ + /* what to do for rotations? */ + + CF2_Fixed emRatio; + CF2_Fixed stdHW; + CF2_Int unitsPerEm = font->unitsPerEm; + + + if ( unitsPerEm == 0 ) + unitsPerEm = 1000; + + ppem = FT_MAX( cf2_intToFixed( 4 ), + font->ppem ); /* use minimum ppem of 4 */ + +#if 0 + /* since vstem is measured in the x-direction, we use the `a' member */ + /* of the fontMatrix */ + emRatio = cf2_fixedFracMul( cf2_intToFixed( 1000 ), fontMatrix->a ); +#endif + + /* Freetype does not preserve the fontMatrix when parsing; use */ + /* unitsPerEm instead. */ + /* TODO: check precision of this */ + emRatio = cf2_intToFixed( 1000 ) / unitsPerEm; + font->stdVW = cf2_getStdVW( decoder ); + + if ( font->stdVW <= 0 ) + font->stdVW = FT_DivFix( cf2_intToFixed( 75 ), emRatio ); + + if ( boldenX > 0 ) + { + /* Ensure that boldenX is at least 1 pixel for synthetic bold font */ + /* (similar to what Avalon does) */ + boldenX = FT_MAX( boldenX, + FT_DivFix( cf2_intToFixed( unitsPerEm ), ppem ) ); + + /* Synthetic emboldening adds at least 1 pixel to darkenX, while */ + /* stem darkening adds at most half pixel. Since the purpose of */ + /* stem darkening (readability at small sizes) is met with */ + /* synthetic emboldening, no need to add stem darkening for a */ + /* synthetic bold font. */ + cf2_computeDarkening( emRatio, + ppem, + font->stdVW, + &font->darkenX, + boldenX, + FALSE, + font->darkenParams ); + } + else + cf2_computeDarkening( emRatio, + ppem, + font->stdVW, + &font->darkenX, + 0, + font->stemDarkened, + font->darkenParams ); + +#if 0 + /* since hstem is measured in the y-direction, we use the `d' member */ + /* of the fontMatrix */ + /* TODO: use the same units per em as above; check this */ + emRatio = cf2_fixedFracMul( cf2_intToFixed( 1000 ), fontMatrix->d ); +#endif + + /* set the default stem width, because it must be the same for all */ + /* family members; */ + /* choose a constant for StdHW that depends on font contrast */ + stdHW = cf2_getStdHW( decoder ); + + if ( stdHW > 0 && font->stdVW > MUL_INT32( 2, stdHW ) ) + font->stdHW = FT_DivFix( cf2_intToFixed( 75 ), emRatio ); + else + { + /* low contrast font gets less hstem darkening */ + font->stdHW = FT_DivFix( cf2_intToFixed( 110 ), emRatio ); + } + + cf2_computeDarkening( emRatio, + ppem, + font->stdHW, + &font->darkenY, + boldenY, + font->stemDarkened, + font->darkenParams ); + + if ( font->darkenX != 0 || font->darkenY != 0 ) + font->darkened = TRUE; + else + font->darkened = FALSE; + + font->reverseWinding = FALSE; /* initial expectation is CCW */ + + /* compute blue zones for this instance */ + cf2_blues_init( &font->blues, font ); + + } /* needExtraSetup */ + } + + + /* equivalent to AdobeGetOutline */ + FT_LOCAL_DEF( FT_Error ) + cf2_getGlyphOutline( CF2_Font font, + CF2_Buffer charstring, + const CF2_Matrix* transform, + CF2_F16Dot16* glyphWidth ) + { + FT_Error lastError = FT_Err_Ok; + + FT_Vector translation; + +#if 0 + FT_Vector advancePoint; +#endif + + CF2_Fixed advWidth = 0; + FT_Bool needWinding; + + + /* Note: use both integer and fraction for outlines. This allows bbox */ + /* to come out directly. */ + + translation.x = transform->tx; + translation.y = transform->ty; + + /* set up values based on transform */ + cf2_font_setup( font, transform ); + if ( font->error ) + goto exit; /* setup encountered an error */ + + /* reset darken direction */ + font->reverseWinding = FALSE; + + /* winding order only affects darkening */ + needWinding = font->darkened; + + while ( 1 ) + { + /* reset output buffer */ + cf2_outline_reset( &font->outline ); + + /* build the outline, passing the full translation */ + cf2_interpT2CharString( font, + charstring, + (CF2_OutlineCallbacks)&font->outline, + &translation, + FALSE, + 0, + 0, + &advWidth ); + + if ( font->error ) + goto exit; + + if ( !needWinding ) + break; + + /* check winding order */ + if ( font->outline.root.windingMomentum >= 0 ) /* CFF is CCW */ + break; + + /* invert darkening and render again */ + /* TODO: this should be a parameter to getOutline-computeOffset */ + font->reverseWinding = TRUE; + + needWinding = FALSE; /* exit after next iteration */ + } + + /* finish storing client outline */ + cf2_outline_close( &font->outline ); + + exit: + /* FreeType just wants the advance width; there is no translation */ + *glyphWidth = advWidth; + + /* free resources and collect errors from objects we've used */ + cf2_setError( &font->error, lastError ); + + return font->error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psfont.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psfont.h new file mode 100644 index 00000000000..e611ac4bdc8 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psfont.h @@ -0,0 +1,134 @@ +/***************************************************************************/ +/* */ +/* psfont.h */ +/* */ +/* Adobe's code for font instances (specification). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSFONT_H_ +#define PSFONT_H_ + + +#include FT_SERVICE_CFF_TABLE_LOAD_H + +#include "psft.h" +#include "psblues.h" + + +FT_BEGIN_HEADER + + +#define CF2_OPERAND_STACK_SIZE 48 +#define CF2_MAX_SUBR 16 /* maximum subroutine nesting; */ + /* only 10 are allowed but there exist */ + /* fonts like `HiraKakuProN-W3.ttf' */ + /* (Hiragino Kaku Gothic ProN W3; */ + /* 8.2d6e1; 2014-12-19) that exceed */ + /* this limit */ +#define CF2_STORAGE_SIZE 32 + + + /* typedef is in `cf2glue.h' */ + struct CF2_FontRec_ + { + FT_Memory memory; + FT_Error error; /* shared error for this instance */ + + FT_Bool isT1; + FT_Bool isCFF2; + CF2_RenderingFlags renderingFlags; + + /* variables that depend on Transform: */ + /* the following have zero translation; */ + /* inner * outer = font * original */ + + CF2_Matrix currentTransform; /* original client matrix */ + CF2_Matrix innerTransform; /* for hinting; erect, scaled */ + CF2_Matrix outerTransform; /* post hinting; includes rotations */ + CF2_Fixed ppem; /* transform-dependent */ + + /* variation data */ + CFF_BlendRec blend; /* cached charstring blend vector */ + CF2_UInt vsindex; /* current vsindex */ + CF2_UInt lenNDV; /* current length NDV or zero */ + FT_Fixed* NDV; /* ptr to current NDV or NULL */ + + CF2_Int unitsPerEm; + + CF2_Fixed syntheticEmboldeningAmountX; /* character space units */ + CF2_Fixed syntheticEmboldeningAmountY; /* character space units */ + + /* FreeType related members */ + CF2_OutlineRec outline; /* freetype glyph outline functions */ + PS_Decoder* decoder; + CFF_SubFont lastSubfont; /* FreeType parsed data; */ + /* top font or subfont */ + + /* these flags can vary from one call to the next */ + FT_Bool hinted; + FT_Bool darkened; /* true if stemDarkened or synthetic bold */ + /* i.e. darkenX != 0 || darkenY != 0 */ + FT_Bool stemDarkened; + + FT_Int darkenParams[8]; /* 1000 unit character space */ + + /* variables that depend on both FontDict and Transform */ + CF2_Fixed stdVW; /* in character space; depends on dict entry */ + CF2_Fixed stdHW; /* in character space; depends on dict entry */ + CF2_Fixed darkenX; /* character space units */ + CF2_Fixed darkenY; /* depends on transform */ + /* and private dict (StdVW) */ + FT_Bool reverseWinding; /* darken assuming */ + /* counterclockwise winding */ + + CF2_BluesRec blues; /* computed zone data */ + + FT_Service_CFFLoad cffload; /* pointer to cff functions */ + }; + + + FT_LOCAL( FT_Error ) + cf2_getGlyphOutline( CF2_Font font, + CF2_Buffer charstring, + const CF2_Matrix* transform, + CF2_F16Dot16* glyphWidth ); + + +FT_END_HEADER + + +#endif /* PSFONT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psft.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psft.c new file mode 100644 index 00000000000..1f750174a1c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psft.c @@ -0,0 +1,890 @@ +/***************************************************************************/ +/* */ +/* psft.c */ +/* */ +/* FreeType Glue Component to Adobe's Interpreter (body). */ +/* */ +/* Copyright 2013-2014 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#include "psft.h" +#include FT_INTERNAL_DEBUG_H + +#include "psfont.h" +#include "pserror.h" +#include "psobjs.h" +#include "cffdecode.h" + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include FT_MULTIPLE_MASTERS_H +#include FT_SERVICE_MULTIPLE_MASTERS_H +#endif + +#include FT_SERVICE_CFF_TABLE_LOAD_H + + +#define CF2_MAX_SIZE cf2_intToFixed( 2000 ) /* max ppem */ + + + /* + * This check should avoid most internal overflow cases. Clients should + * generally respond to `Glyph_Too_Big' by getting a glyph outline + * at EM size, scaling it and filling it as a graphics operation. + * + */ + static FT_Error + cf2_checkTransform( const CF2_Matrix* transform, + CF2_Int unitsPerEm ) + { + CF2_Fixed maxScale; + + + FT_ASSERT( unitsPerEm > 0 ); + + if ( transform->a <= 0 || transform->d <= 0 ) + return FT_THROW( Invalid_Size_Handle ); + + FT_ASSERT( transform->b == 0 && transform->c == 0 ); + FT_ASSERT( transform->tx == 0 && transform->ty == 0 ); + + if ( unitsPerEm > 0x7FFF ) + return FT_THROW( Glyph_Too_Big ); + + maxScale = FT_DivFix( CF2_MAX_SIZE, cf2_intToFixed( unitsPerEm ) ); + + if ( transform->a > maxScale || transform->d > maxScale ) + return FT_THROW( Glyph_Too_Big ); + + return FT_Err_Ok; + } + + + static void + cf2_setGlyphWidth( CF2_Outline outline, + CF2_Fixed width ) + { + PS_Decoder* decoder = outline->decoder; + + + FT_ASSERT( decoder ); + + if ( !decoder->builder.is_t1 ) + *decoder->glyph_width = cf2_fixedToInt( width ); + } + + + /* Clean up font instance. */ + static void + cf2_free_instance( void* ptr ) + { + CF2_Font font = (CF2_Font)ptr; + + + if ( font ) + { + FT_Memory memory = font->memory; + + + FT_FREE( font->blend.lastNDV ); + FT_FREE( font->blend.BV ); + } + } + + + /********************************************/ + /* */ + /* functions for handling client outline; */ + /* FreeType uses coordinates in 26.6 format */ + /* */ + /********************************************/ + + static void + cf2_builder_moveTo( CF2_OutlineCallbacks callbacks, + const CF2_CallbackParams params ) + { + /* downcast the object pointer */ + CF2_Outline outline = (CF2_Outline)callbacks; + PS_Builder* builder; + + (void)params; /* only used in debug mode */ + + + FT_ASSERT( outline && outline->decoder ); + FT_ASSERT( params->op == CF2_PathOpMoveTo ); + + builder = &outline->decoder->builder; + + /* note: two successive moves simply close the contour twice */ + ps_builder_close_contour( builder ); + builder->path_begun = 0; + } + + + static void + cf2_builder_lineTo( CF2_OutlineCallbacks callbacks, + const CF2_CallbackParams params ) + { + FT_Error error; + + /* downcast the object pointer */ + CF2_Outline outline = (CF2_Outline)callbacks; + PS_Builder* builder; + + + FT_ASSERT( outline && outline->decoder ); + FT_ASSERT( params->op == CF2_PathOpLineTo ); + + builder = &outline->decoder->builder; + + if ( !builder->path_begun ) + { + /* record the move before the line; also check points and set */ + /* `path_begun' */ + error = ps_builder_start_point( builder, + params->pt0.x, + params->pt0.y ); + if ( error ) + { + if ( !*callbacks->error ) + *callbacks->error = error; + return; + } + } + + /* `ps_builder_add_point1' includes a check_points call for one point */ + error = ps_builder_add_point1( builder, + params->pt1.x, + params->pt1.y ); + if ( error ) + { + if ( !*callbacks->error ) + *callbacks->error = error; + return; + } + } + + + static void + cf2_builder_cubeTo( CF2_OutlineCallbacks callbacks, + const CF2_CallbackParams params ) + { + FT_Error error; + + /* downcast the object pointer */ + CF2_Outline outline = (CF2_Outline)callbacks; + PS_Builder* builder; + + + FT_ASSERT( outline && outline->decoder ); + FT_ASSERT( params->op == CF2_PathOpCubeTo ); + + builder = &outline->decoder->builder; + + if ( !builder->path_begun ) + { + /* record the move before the line; also check points and set */ + /* `path_begun' */ + error = ps_builder_start_point( builder, + params->pt0.x, + params->pt0.y ); + if ( error ) + { + if ( !*callbacks->error ) + *callbacks->error = error; + return; + } + } + + /* prepare room for 3 points: 2 off-curve, 1 on-curve */ + error = ps_builder_check_points( builder, 3 ); + if ( error ) + { + if ( !*callbacks->error ) + *callbacks->error = error; + return; + } + + ps_builder_add_point( builder, + params->pt1.x, + params->pt1.y, 0 ); + ps_builder_add_point( builder, + params->pt2.x, + params->pt2.y, 0 ); + ps_builder_add_point( builder, + params->pt3.x, + params->pt3.y, 1 ); + } + + + static void + cf2_outline_init( CF2_Outline outline, + FT_Memory memory, + FT_Error* error ) + { + FT_ZERO( outline ); + + outline->root.memory = memory; + outline->root.error = error; + + outline->root.moveTo = cf2_builder_moveTo; + outline->root.lineTo = cf2_builder_lineTo; + outline->root.cubeTo = cf2_builder_cubeTo; + } + + + /* get scaling and hint flag from GlyphSlot */ + static void + cf2_getScaleAndHintFlag( PS_Decoder* decoder, + CF2_Fixed* x_scale, + CF2_Fixed* y_scale, + FT_Bool* hinted, + FT_Bool* scaled ) + { + FT_ASSERT( decoder && decoder->builder.glyph ); + + /* note: FreeType scale includes a factor of 64 */ + *hinted = decoder->builder.glyph->hint; + *scaled = decoder->builder.glyph->scaled; + + if ( *hinted ) + { + *x_scale = ADD_INT32( decoder->builder.glyph->x_scale, 32 ) / 64; + *y_scale = ADD_INT32( decoder->builder.glyph->y_scale, 32 ) / 64; + } + else + { + /* for unhinted outlines, `cff_slot_load' does the scaling, */ + /* thus render at `unity' scale */ + + *x_scale = 0x0400; /* 1/64 as 16.16 */ + *y_scale = 0x0400; + } + } + + + /* get units per em from `FT_Face' */ + /* TODO: should handle font matrix concatenation? */ + static FT_UShort + cf2_getUnitsPerEm( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && decoder->builder.face ); + FT_ASSERT( decoder->builder.face->units_per_EM ); + + return decoder->builder.face->units_per_EM; + } + + + /* Main entry point: Render one glyph. */ + FT_LOCAL_DEF( FT_Error ) + cf2_decoder_parse_charstrings( PS_Decoder* decoder, + FT_Byte* charstring_base, + FT_ULong charstring_len ) + { + FT_Memory memory; + FT_Error error = FT_Err_Ok; + CF2_Font font; + + FT_Bool is_t1 = decoder->builder.is_t1; + + + FT_ASSERT( decoder && + ( is_t1 || decoder->cff ) ); + + if ( is_t1 && !decoder->current_subfont ) + { + FT_ERROR(( "cf2_decoder_parse_charstrings (Type 1): " + "SubFont missing. Use `t1_make_subfont' first\n" )); + return FT_THROW( Invalid_Table ); + } + + memory = decoder->builder.memory; + + /* CF2 data is saved here across glyphs */ + font = (CF2_Font)decoder->cf2_instance->data; + + /* on first glyph, allocate instance structure */ + if ( !decoder->cf2_instance->data ) + { + decoder->cf2_instance->finalizer = + (FT_Generic_Finalizer)cf2_free_instance; + + if ( FT_ALLOC( decoder->cf2_instance->data, + sizeof ( CF2_FontRec ) ) ) + return FT_THROW( Out_Of_Memory ); + + font = (CF2_Font)decoder->cf2_instance->data; + + font->memory = memory; + + if ( !is_t1 ) + font->cffload = (FT_Service_CFFLoad)decoder->cff->cffload; + + /* initialize a client outline, to be shared by each glyph rendered */ + cf2_outline_init( &font->outline, font->memory, &font->error ); + } + + /* save decoder; it is a stack variable and will be different on each */ + /* call */ + font->decoder = decoder; + font->outline.decoder = decoder; + + { + /* build parameters for Adobe engine */ + + PS_Builder* builder = &decoder->builder; + PS_Driver driver = (PS_Driver)FT_FACE_DRIVER( builder->face ); + + FT_Bool no_stem_darkening_driver = + driver->no_stem_darkening; + FT_Char no_stem_darkening_font = + builder->face->internal->no_stem_darkening; + + /* local error */ + FT_Error error2 = FT_Err_Ok; + CF2_BufferRec buf; + CF2_Matrix transform; + CF2_F16Dot16 glyphWidth; + + FT_Bool hinted; + FT_Bool scaled; + + + /* FreeType has already looked up the GID; convert to */ + /* `RegionBuffer', assuming that the input has been validated */ + FT_ASSERT( charstring_base + charstring_len >= charstring_base ); + + FT_ZERO( &buf ); + buf.start = + buf.ptr = charstring_base; + buf.end = charstring_base + charstring_len; + + FT_ZERO( &transform ); + + cf2_getScaleAndHintFlag( decoder, + &transform.a, + &transform.d, + &hinted, + &scaled ); + + if ( is_t1 ) + font->isCFF2 = FALSE; + else + { + /* copy isCFF2 boolean from TT_Face to CF2_Font */ + font->isCFF2 = ((TT_Face)builder->face)->is_cff2; + } + font->isT1 = is_t1; + + font->renderingFlags = 0; + if ( hinted ) + font->renderingFlags |= CF2_FlagsHinted; + if ( scaled && ( !no_stem_darkening_font || + ( no_stem_darkening_font < 0 && + !no_stem_darkening_driver ) ) ) + font->renderingFlags |= CF2_FlagsDarkened; + + font->darkenParams[0] = driver->darken_params[0]; + font->darkenParams[1] = driver->darken_params[1]; + font->darkenParams[2] = driver->darken_params[2]; + font->darkenParams[3] = driver->darken_params[3]; + font->darkenParams[4] = driver->darken_params[4]; + font->darkenParams[5] = driver->darken_params[5]; + font->darkenParams[6] = driver->darken_params[6]; + font->darkenParams[7] = driver->darken_params[7]; + + /* now get an outline for this glyph; */ + /* also get units per em to validate scale */ + font->unitsPerEm = (CF2_Int)cf2_getUnitsPerEm( decoder ); + + if ( scaled ) + { + error2 = cf2_checkTransform( &transform, font->unitsPerEm ); + if ( error2 ) + return error2; + } + + error2 = cf2_getGlyphOutline( font, &buf, &transform, &glyphWidth ); + if ( error2 ) + return FT_ERR( Invalid_File_Format ); + + cf2_setGlyphWidth( &font->outline, glyphWidth ); + + return FT_Err_Ok; + } + } + + + /* get pointer to current FreeType subfont (based on current glyphID) */ + FT_LOCAL_DEF( CFF_SubFont ) + cf2_getSubfont( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + return decoder->current_subfont; + } + + + /* get pointer to VStore structure */ + FT_LOCAL_DEF( CFF_VStore ) + cf2_getVStore( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && decoder->cff ); + + return &decoder->cff->vstore; + } + + + /* get maxstack value from CFF2 Top DICT */ + FT_LOCAL_DEF( FT_UInt ) + cf2_getMaxstack( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && decoder->cff ); + + return decoder->cff->top_font.font_dict.maxstack; + } + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* Get normalized design vector for current render request; */ + /* return pointer and length. */ + /* */ + /* Note: Uses FT_Fixed not CF2_Fixed for the vector. */ + FT_LOCAL_DEF( FT_Error ) + cf2_getNormalizedVector( PS_Decoder* decoder, + CF2_UInt *len, + FT_Fixed* *vec ) + { + TT_Face face; + FT_Service_MultiMasters mm; + + + FT_ASSERT( decoder && decoder->builder.face ); + FT_ASSERT( vec && len ); + FT_ASSERT( !decoder->builder.is_t1 ); + + face = (TT_Face)decoder->builder.face; + mm = (FT_Service_MultiMasters)face->mm; + + return mm->get_var_blend( FT_FACE( face ), len, NULL, vec, NULL ); + } +#endif + + + /* get `y_ppem' from `CFF_Size' */ + FT_LOCAL_DEF( CF2_Fixed ) + cf2_getPpemY( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && + decoder->builder.face && + decoder->builder.face->size ); + + /* + * Note that `y_ppem' can be zero if there wasn't a call to + * `FT_Set_Char_Size' or something similar. However, this isn't a + * problem since we come to this place in the code only if + * FT_LOAD_NO_SCALE is set (the other case gets caught by + * `cf2_checkTransform'). The ppem value is needed to compute the stem + * darkening, which is disabled for getting the unscaled outline. + * + */ + return cf2_intToFixed( + decoder->builder.face->size->metrics.y_ppem ); + } + + + /* get standard stem widths for the current subfont; */ + /* FreeType stores these as integer font units */ + /* (note: variable names seem swapped) */ + FT_LOCAL_DEF( CF2_Fixed ) + cf2_getStdVW( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + return cf2_intToFixed( + decoder->current_subfont->private_dict.standard_height ); + } + + + FT_LOCAL_DEF( CF2_Fixed ) + cf2_getStdHW( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + return cf2_intToFixed( + decoder->current_subfont->private_dict.standard_width ); + } + + + /* note: FreeType stores 1000 times the actual value for `BlueScale' */ + FT_LOCAL_DEF( void ) + cf2_getBlueMetrics( PS_Decoder* decoder, + CF2_Fixed* blueScale, + CF2_Fixed* blueShift, + CF2_Fixed* blueFuzz ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + *blueScale = FT_DivFix( + decoder->current_subfont->private_dict.blue_scale, + cf2_intToFixed( 1000 ) ); + *blueShift = cf2_intToFixed( + decoder->current_subfont->private_dict.blue_shift ); + *blueFuzz = cf2_intToFixed( + decoder->current_subfont->private_dict.blue_fuzz ); + } + + + /* get blue values counts and arrays; the FreeType parser has validated */ + /* the counts and verified that each is an even number */ + FT_LOCAL_DEF( void ) + cf2_getBlueValues( PS_Decoder* decoder, + size_t* count, + FT_Pos* *data ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + *count = decoder->current_subfont->private_dict.num_blue_values; + *data = (FT_Pos*) + &decoder->current_subfont->private_dict.blue_values; + } + + + FT_LOCAL_DEF( void ) + cf2_getOtherBlues( PS_Decoder* decoder, + size_t* count, + FT_Pos* *data ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + *count = decoder->current_subfont->private_dict.num_other_blues; + *data = (FT_Pos*) + &decoder->current_subfont->private_dict.other_blues; + } + + + FT_LOCAL_DEF( void ) + cf2_getFamilyBlues( PS_Decoder* decoder, + size_t* count, + FT_Pos* *data ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + *count = decoder->current_subfont->private_dict.num_family_blues; + *data = (FT_Pos*) + &decoder->current_subfont->private_dict.family_blues; + } + + + FT_LOCAL_DEF( void ) + cf2_getFamilyOtherBlues( PS_Decoder* decoder, + size_t* count, + FT_Pos* *data ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + *count = decoder->current_subfont->private_dict.num_family_other_blues; + *data = (FT_Pos*) + &decoder->current_subfont->private_dict.family_other_blues; + } + + + FT_LOCAL_DEF( CF2_Int ) + cf2_getLanguageGroup( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + return decoder->current_subfont->private_dict.language_group; + } + + + /* convert unbiased subroutine index to `CF2_Buffer' and */ + /* return 0 on success */ + FT_LOCAL_DEF( CF2_Int ) + cf2_initGlobalRegionBuffer( PS_Decoder* decoder, + CF2_Int subrNum, + CF2_Buffer buf ) + { + CF2_UInt idx; + + + FT_ASSERT( decoder ); + + FT_ZERO( buf ); + + idx = (CF2_UInt)( subrNum + decoder->globals_bias ); + if ( idx >= decoder->num_globals ) + return TRUE; /* error */ + + FT_ASSERT( decoder->globals ); + + buf->start = + buf->ptr = decoder->globals[idx]; + buf->end = decoder->globals[idx + 1]; + + return FALSE; /* success */ + } + + + /* convert AdobeStandardEncoding code to CF2_Buffer; */ + /* used for seac component */ + FT_LOCAL_DEF( FT_Error ) + cf2_getSeacComponent( PS_Decoder* decoder, + CF2_Int code, + CF2_Buffer buf ) + { + CF2_Int gid; + FT_Byte* charstring; + FT_ULong len; + FT_Error error; + + + FT_ASSERT( decoder ); + FT_ASSERT( !decoder->builder.is_t1 ); + + FT_ZERO( buf ); + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + /* Incremental fonts don't necessarily have valid charsets. */ + /* They use the character code, not the glyph index, in this case. */ + if ( decoder->builder.face->internal->incremental_interface ) + gid = code; + else +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + { + gid = cff_lookup_glyph_by_stdcharcode( decoder->cff, code ); + if ( gid < 0 ) + return FT_THROW( Invalid_Glyph_Format ); + } + + error = decoder->get_glyph_callback( (TT_Face)decoder->builder.face, + (CF2_UInt)gid, + &charstring, + &len ); + /* TODO: for now, just pass the FreeType error through */ + if ( error ) + return error; + + /* assume input has been validated */ + FT_ASSERT( charstring + len >= charstring ); + + buf->start = charstring; + buf->end = charstring + len; + buf->ptr = buf->start; + + return FT_Err_Ok; + } + + + FT_LOCAL_DEF( void ) + cf2_freeSeacComponent( PS_Decoder* decoder, + CF2_Buffer buf ) + { + FT_ASSERT( decoder ); + FT_ASSERT( !decoder->builder.is_t1 ); + + decoder->free_glyph_callback( (TT_Face)decoder->builder.face, + (FT_Byte**)&buf->start, + (FT_ULong)( buf->end - buf->start ) ); + } + + + FT_LOCAL_DEF( FT_Error ) + cf2_getT1SeacComponent( PS_Decoder* decoder, + FT_UInt glyph_index, + CF2_Buffer buf ) + { + FT_Data glyph_data; + FT_Error error = FT_Err_Ok; + T1_Face face = (T1_Face)decoder->builder.face; + T1_Font type1 = &face->type1; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + FT_Incremental_InterfaceRec *inc = + face->root.internal->incremental_interface; + + + /* For incremental fonts get the character data using the */ + /* callback function. */ + if ( inc ) + error = inc->funcs->get_glyph_data( inc->object, + glyph_index, &glyph_data ); + else +#endif + /* For ordinary fonts get the character data stored in the face record. */ + { + glyph_data.pointer = type1->charstrings[glyph_index]; + glyph_data.length = (FT_Int)type1->charstrings_len[glyph_index]; + } + + if ( !error ) + { + FT_Byte* charstring_base = (FT_Byte*)glyph_data.pointer; + FT_ULong charstring_len = (FT_ULong)glyph_data.length; + + + FT_ASSERT( charstring_base + charstring_len >= charstring_base ); + + FT_ZERO( buf ); + buf->start = + buf->ptr = charstring_base; + buf->end = charstring_base + charstring_len; + } + + return error; + } + + + FT_LOCAL_DEF( void ) + cf2_freeT1SeacComponent( PS_Decoder* decoder, + CF2_Buffer buf ) + { + T1_Face face; + FT_Data data; + + + FT_ASSERT( decoder ); + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + face = (T1_Face)decoder->builder.face; + + data.pointer = buf->start; + data.length = (FT_Int)( buf->end - buf->start ); + + if ( face->root.internal->incremental_interface ) + face->root.internal->incremental_interface->funcs->free_glyph_data( + face->root.internal->incremental_interface->object, + &data ); +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + } + + + FT_LOCAL_DEF( CF2_Int ) + cf2_initLocalRegionBuffer( PS_Decoder* decoder, + CF2_Int subrNum, + CF2_Buffer buf ) + { + CF2_UInt idx; + + + FT_ASSERT( decoder ); + + FT_ZERO( buf ); + + idx = (CF2_UInt)( subrNum + decoder->locals_bias ); + if ( idx >= decoder->num_locals ) + return TRUE; /* error */ + + FT_ASSERT( decoder->locals ); + + buf->start = decoder->locals[idx]; + + if ( decoder->builder.is_t1 ) + { + /* The Type 1 driver stores subroutines without the seed bytes. */ + /* The CID driver stores subroutines with seed bytes. This */ + /* case is taken care of when decoder->subrs_len == 0. */ + if ( decoder->locals_len ) + buf->end = buf->start + decoder->locals_len[idx]; + else + { + /* We are using subroutines from a CID font. We must adjust */ + /* for the seed bytes. */ + buf->start += ( decoder->lenIV >= 0 ? decoder->lenIV : 0 ); + buf->end = decoder->locals[idx + 1]; + } + + if ( !buf->start ) + { + FT_ERROR(( "cf2_initLocalRegionBuffer (Type 1 mode):" + " invoking empty subrs\n" )); + } + } + else + { + buf->end = decoder->locals[idx + 1]; + } + + buf->ptr = buf->start; + + return FALSE; /* success */ + } + + + FT_LOCAL_DEF( CF2_Fixed ) + cf2_getDefaultWidthX( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + return cf2_intToFixed( + decoder->current_subfont->private_dict.default_width ); + } + + + FT_LOCAL_DEF( CF2_Fixed ) + cf2_getNominalWidthX( PS_Decoder* decoder ) + { + FT_ASSERT( decoder && decoder->current_subfont ); + + return cf2_intToFixed( + decoder->current_subfont->private_dict.nominal_width ); + } + + + FT_LOCAL_DEF( void ) + cf2_outline_reset( CF2_Outline outline ) + { + PS_Decoder* decoder = outline->decoder; + + + FT_ASSERT( decoder ); + + outline->root.windingMomentum = 0; + + FT_GlyphLoader_Rewind( decoder->builder.loader ); + } + + + FT_LOCAL_DEF( void ) + cf2_outline_close( CF2_Outline outline ) + { + PS_Decoder* decoder = outline->decoder; + + + FT_ASSERT( decoder ); + + ps_builder_close_contour( &decoder->builder ); + + FT_GlyphLoader_Add( decoder->builder.loader ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psft.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psft.h new file mode 100644 index 00000000000..ab172110bb6 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psft.h @@ -0,0 +1,167 @@ +/***************************************************************************/ +/* */ +/* psft.h */ +/* */ +/* FreeType Glue Component to Adobe's Interpreter (specification). */ +/* */ +/* Copyright 2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSFT_H_ +#define PSFT_H_ + + +#include "pstypes.h" + + + /* TODO: disable asserts for now */ +#define CF2_NDEBUG + + +#include FT_SYSTEM_H + +#include "psglue.h" +#include FT_INTERNAL_POSTSCRIPT_AUX_H /* for PS_Decoder */ + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + cf2_decoder_parse_charstrings( PS_Decoder* decoder, + FT_Byte* charstring_base, + FT_ULong charstring_len ); + + FT_LOCAL( CFF_SubFont ) + cf2_getSubfont( PS_Decoder* decoder ); + + FT_LOCAL( CFF_VStore ) + cf2_getVStore( PS_Decoder* decoder ); + + FT_LOCAL( FT_UInt ) + cf2_getMaxstack( PS_Decoder* decoder ); + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_LOCAL( FT_Error ) + cf2_getNormalizedVector( PS_Decoder* decoder, + CF2_UInt *len, + FT_Fixed* *vec ); +#endif + + FT_LOCAL( CF2_Fixed ) + cf2_getPpemY( PS_Decoder* decoder ); + FT_LOCAL( CF2_Fixed ) + cf2_getStdVW( PS_Decoder* decoder ); + FT_LOCAL( CF2_Fixed ) + cf2_getStdHW( PS_Decoder* decoder ); + + FT_LOCAL( void ) + cf2_getBlueMetrics( PS_Decoder* decoder, + CF2_Fixed* blueScale, + CF2_Fixed* blueShift, + CF2_Fixed* blueFuzz ); + FT_LOCAL( void ) + cf2_getBlueValues( PS_Decoder* decoder, + size_t* count, + FT_Pos* *data ); + FT_LOCAL( void ) + cf2_getOtherBlues( PS_Decoder* decoder, + size_t* count, + FT_Pos* *data ); + FT_LOCAL( void ) + cf2_getFamilyBlues( PS_Decoder* decoder, + size_t* count, + FT_Pos* *data ); + FT_LOCAL( void ) + cf2_getFamilyOtherBlues( PS_Decoder* decoder, + size_t* count, + FT_Pos* *data ); + + FT_LOCAL( CF2_Int ) + cf2_getLanguageGroup( PS_Decoder* decoder ); + + FT_LOCAL( CF2_Int ) + cf2_initGlobalRegionBuffer( PS_Decoder* decoder, + CF2_Int subrNum, + CF2_Buffer buf ); + FT_LOCAL( FT_Error ) + cf2_getSeacComponent( PS_Decoder* decoder, + CF2_Int code, + CF2_Buffer buf ); + FT_LOCAL( void ) + cf2_freeSeacComponent( PS_Decoder* decoder, + CF2_Buffer buf ); + FT_LOCAL( CF2_Int ) + cf2_initLocalRegionBuffer( PS_Decoder* decoder, + CF2_Int subrNum, + CF2_Buffer buf ); + + FT_LOCAL( CF2_Fixed ) + cf2_getDefaultWidthX( PS_Decoder* decoder ); + FT_LOCAL( CF2_Fixed ) + cf2_getNominalWidthX( PS_Decoder* decoder ); + + + FT_LOCAL( FT_Error ) + cf2_getT1SeacComponent( PS_Decoder* decoder, + FT_UInt glyph_index, + CF2_Buffer buf ); + FT_LOCAL( void ) + cf2_freeT1SeacComponent( PS_Decoder* decoder, + CF2_Buffer buf ); + + /* + * FreeType client outline + * + * process output from the charstring interpreter + */ + typedef struct CF2_OutlineRec_ + { + CF2_OutlineCallbacksRec root; /* base class must be first */ + PS_Decoder* decoder; + + } CF2_OutlineRec, *CF2_Outline; + + + FT_LOCAL( void ) + cf2_outline_reset( CF2_Outline outline ); + FT_LOCAL( void ) + cf2_outline_close( CF2_Outline outline ); + + +FT_END_HEADER + + +#endif /* PSFT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psglue.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psglue.h new file mode 100644 index 00000000000..5545e12a5bf --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psglue.h @@ -0,0 +1,144 @@ +/***************************************************************************/ +/* */ +/* psglue.h */ +/* */ +/* Adobe's code for shared stuff (specification only). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSGLUE_H_ +#define PSGLUE_H_ + + +/* common includes for other modules */ +#include "pserror.h" +#include "psfixed.h" +#include "psarrst.h" +#include "psread.h" + + +FT_BEGIN_HEADER + + + /* rendering parameters */ + + /* apply hints to rendered glyphs */ +#define CF2_FlagsHinted 1 + /* for testing */ +#define CF2_FlagsDarkened 2 + + /* type for holding the flags */ + typedef CF2_Int CF2_RenderingFlags; + + + /* elements of a glyph outline */ + typedef enum CF2_PathOp_ + { + CF2_PathOpMoveTo = 1, /* change the current point */ + CF2_PathOpLineTo = 2, /* line */ + CF2_PathOpQuadTo = 3, /* quadratic curve */ + CF2_PathOpCubeTo = 4 /* cubic curve */ + + } CF2_PathOp; + + + /* a matrix of fixed point values */ + typedef struct CF2_Matrix_ + { + CF2_F16Dot16 a; + CF2_F16Dot16 b; + CF2_F16Dot16 c; + CF2_F16Dot16 d; + CF2_F16Dot16 tx; + CF2_F16Dot16 ty; + + } CF2_Matrix; + + + /* these typedefs are needed by more than one header file */ + /* and gcc compiler doesn't allow redefinition */ + typedef struct CF2_FontRec_ CF2_FontRec, *CF2_Font; + typedef struct CF2_HintRec_ CF2_HintRec, *CF2_Hint; + + + /* A common structure for all callback parameters. */ + /* */ + /* Some members may be unused. For example, `pt0' is not used for */ + /* `moveTo' and `pt3' is not used for `quadTo'. The initial point `pt0' */ + /* is included for each path element for generality; curve conversions */ + /* need it. The `op' parameter allows one function to handle multiple */ + /* element types. */ + + typedef struct CF2_CallbackParamsRec_ + { + FT_Vector pt0; + FT_Vector pt1; + FT_Vector pt2; + FT_Vector pt3; + + CF2_Int op; + + } CF2_CallbackParamsRec, *CF2_CallbackParams; + + + /* forward reference */ + typedef struct CF2_OutlineCallbacksRec_ CF2_OutlineCallbacksRec, + *CF2_OutlineCallbacks; + + /* callback function pointers */ + typedef void + (*CF2_Callback_Type)( CF2_OutlineCallbacks callbacks, + const CF2_CallbackParams params ); + + + struct CF2_OutlineCallbacksRec_ + { + CF2_Callback_Type moveTo; + CF2_Callback_Type lineTo; + CF2_Callback_Type quadTo; + CF2_Callback_Type cubeTo; + + CF2_Int windingMomentum; /* for winding order detection */ + + FT_Memory memory; + FT_Error* error; + }; + + +FT_END_HEADER + + +#endif /* PSGLUE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pshints.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pshints.c new file mode 100644 index 00000000000..36151964253 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pshints.c @@ -0,0 +1,1939 @@ +/***************************************************************************/ +/* */ +/* pshints.c */ +/* */ +/* Adobe's code for handling CFF hints (body). */ +/* */ +/* Copyright 2007-2014 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#include "psft.h" +#include FT_INTERNAL_DEBUG_H + +#include "psglue.h" +#include "psfont.h" +#include "pshints.h" +#include "psintrp.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cf2hints + + + typedef struct CF2_HintMoveRec_ + { + size_t j; /* index of upper hint map edge */ + CF2_Fixed moveUp; /* adjustment to optimum position */ + + } CF2_HintMoveRec, *CF2_HintMove; + + + /* Compute angular momentum for winding order detection. It is called */ + /* for all lines and curves, but not necessarily in element order. */ + static CF2_Int + cf2_getWindingMomentum( CF2_Fixed x1, + CF2_Fixed y1, + CF2_Fixed x2, + CF2_Fixed y2 ) + { + /* cross product of pt1 position from origin with pt2 position from */ + /* pt1; we reduce the precision so that the result fits into 32 bits */ + + return ( x1 >> 16 ) * ( SUB_INT32( y2, y1 ) >> 16 ) - + ( y1 >> 16 ) * ( SUB_INT32( x2, x1 ) >> 16 ); + } + + + /* + * Construct from a StemHint; this is used as a parameter to + * `cf2_blues_capture'. + * `hintOrigin' is the character space displacement of a seac accent. + * Adjust stem hint for darkening here. + * + */ + static void + cf2_hint_init( CF2_Hint hint, + const CF2_ArrStack stemHintArray, + size_t indexStemHint, + const CF2_Font font, + CF2_Fixed hintOrigin, + CF2_Fixed scale, + FT_Bool bottom ) + { + CF2_Fixed width; + const CF2_StemHintRec* stemHint; + + + FT_ZERO( hint ); + + stemHint = (const CF2_StemHintRec*)cf2_arrstack_getPointer( + stemHintArray, + indexStemHint ); + + width = SUB_INT32( stemHint->max, stemHint->min ); + + if ( width == cf2_intToFixed( -21 ) ) + { + /* ghost bottom */ + + if ( bottom ) + { + hint->csCoord = stemHint->max; + hint->flags = CF2_GhostBottom; + } + else + hint->flags = 0; + } + + else if ( width == cf2_intToFixed( -20 ) ) + { + /* ghost top */ + + if ( bottom ) + hint->flags = 0; + else + { + hint->csCoord = stemHint->min; + hint->flags = CF2_GhostTop; + } + } + + else if ( width < 0 ) + { + /* inverted pair */ + + /* + * Hints with negative widths were produced by an early version of a + * non-Adobe font tool. The Type 2 spec allows edge (ghost) hints + * with negative widths, but says + * + * All other negative widths have undefined meaning. + * + * CoolType has a silent workaround that negates the hint width; for + * permissive mode, we do the same here. + * + * Note: Such fonts cannot use ghost hints, but should otherwise work. + * Note: Some poor hints in our faux fonts can produce negative + * widths at some blends. For example, see a light weight of + * `u' in ASerifMM. + * + */ + if ( bottom ) + { + hint->csCoord = stemHint->max; + hint->flags = CF2_PairBottom; + } + else + { + hint->csCoord = stemHint->min; + hint->flags = CF2_PairTop; + } + } + + else + { + /* normal pair */ + + if ( bottom ) + { + hint->csCoord = stemHint->min; + hint->flags = CF2_PairBottom; + } + else + { + hint->csCoord = stemHint->max; + hint->flags = CF2_PairTop; + } + } + + /* Now that ghost hints have been detected, adjust this edge for */ + /* darkening. Bottoms are not changed; tops are incremented by twice */ + /* `darkenY'. */ + if ( cf2_hint_isTop( hint ) ) + hint->csCoord = ADD_INT32( hint->csCoord, 2 * font->darkenY ); + + hint->csCoord = ADD_INT32( hint->csCoord, hintOrigin ); + hint->scale = scale; + hint->index = indexStemHint; /* index in original stem hint array */ + + /* if original stem hint has been used, use the same position */ + if ( hint->flags != 0 && stemHint->used ) + { + if ( cf2_hint_isTop( hint ) ) + hint->dsCoord = stemHint->maxDS; + else + hint->dsCoord = stemHint->minDS; + + cf2_hint_lock( hint ); + } + else + hint->dsCoord = FT_MulFix( hint->csCoord, scale ); + } + + + /* initialize an invalid hint map element */ + static void + cf2_hint_initZero( CF2_Hint hint ) + { + FT_ZERO( hint ); + } + + + FT_LOCAL_DEF( FT_Bool ) + cf2_hint_isValid( const CF2_Hint hint ) + { + return (FT_Bool)( hint->flags != 0 ); + } + + + static FT_Bool + cf2_hint_isPair( const CF2_Hint hint ) + { + return (FT_Bool)( ( hint->flags & + ( CF2_PairBottom | CF2_PairTop ) ) != 0 ); + } + + + static FT_Bool + cf2_hint_isPairTop( const CF2_Hint hint ) + { + return (FT_Bool)( ( hint->flags & CF2_PairTop ) != 0 ); + } + + + FT_LOCAL_DEF( FT_Bool ) + cf2_hint_isTop( const CF2_Hint hint ) + { + return (FT_Bool)( ( hint->flags & + ( CF2_PairTop | CF2_GhostTop ) ) != 0 ); + } + + + FT_LOCAL_DEF( FT_Bool ) + cf2_hint_isBottom( const CF2_Hint hint ) + { + return (FT_Bool)( ( hint->flags & + ( CF2_PairBottom | CF2_GhostBottom ) ) != 0 ); + } + + + static FT_Bool + cf2_hint_isLocked( const CF2_Hint hint ) + { + return (FT_Bool)( ( hint->flags & CF2_Locked ) != 0 ); + } + + + static FT_Bool + cf2_hint_isSynthetic( const CF2_Hint hint ) + { + return (FT_Bool)( ( hint->flags & CF2_Synthetic ) != 0 ); + } + + + FT_LOCAL_DEF( void ) + cf2_hint_lock( CF2_Hint hint ) + { + hint->flags |= CF2_Locked; + } + + + FT_LOCAL_DEF( void ) + cf2_hintmap_init( CF2_HintMap hintmap, + CF2_Font font, + CF2_HintMap initialMap, + CF2_ArrStack hintMoves, + CF2_Fixed scale ) + { + FT_ZERO( hintmap ); + + /* copy parameters from font instance */ + hintmap->hinted = font->hinted; + hintmap->scale = scale; + hintmap->font = font; + hintmap->initialHintMap = initialMap; + /* will clear in `cf2_hintmap_adjustHints' */ + hintmap->hintMoves = hintMoves; + } + + + static FT_Bool + cf2_hintmap_isValid( const CF2_HintMap hintmap ) + { + return hintmap->isValid; + } + + + static void + cf2_hintmap_dump( CF2_HintMap hintmap ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + CF2_UInt i; + + + FT_TRACE6(( " index csCoord dsCoord scale flags\n" )); + + for ( i = 0; i < hintmap->count; i++ ) + { + CF2_Hint hint = &hintmap->edge[i]; + + + FT_TRACE6(( " %3d %7.2f %7.2f %5d %s%s%s%s\n", + hint->index, + hint->csCoord / 65536.0, + hint->dsCoord / ( hint->scale * 1.0 ), + hint->scale, + ( cf2_hint_isPair( hint ) ? "p" : "g" ), + ( cf2_hint_isTop( hint ) ? "t" : "b" ), + ( cf2_hint_isLocked( hint ) ? "L" : ""), + ( cf2_hint_isSynthetic( hint ) ? "S" : "" ) )); + } +#else + FT_UNUSED( hintmap ); +#endif + } + + + /* transform character space coordinate to device space using hint map */ + static CF2_Fixed + cf2_hintmap_map( CF2_HintMap hintmap, + CF2_Fixed csCoord ) + { + if ( hintmap->count == 0 || ! hintmap->hinted ) + { + /* there are no hints; use uniform scale and zero offset */ + return FT_MulFix( csCoord, hintmap->scale ); + } + else + { + /* start linear search from last hit */ + CF2_UInt i = hintmap->lastIndex; + + + FT_ASSERT( hintmap->lastIndex < CF2_MAX_HINT_EDGES ); + + /* search up */ + while ( i < hintmap->count - 1 && + csCoord >= hintmap->edge[i + 1].csCoord ) + i += 1; + + /* search down */ + while ( i > 0 && csCoord < hintmap->edge[i].csCoord ) + i -= 1; + + hintmap->lastIndex = i; + + if ( i == 0 && csCoord < hintmap->edge[0].csCoord ) + { + /* special case for points below first edge: use uniform scale */ + return ADD_INT32( FT_MulFix( SUB_INT32( csCoord, + hintmap->edge[0].csCoord ), + hintmap->scale ), + hintmap->edge[0].dsCoord ); + } + else + { + /* + * Note: entries with duplicate csCoord are allowed. + * Use edge[i], the highest entry where csCoord >= entry[i].csCoord + */ + return ADD_INT32( FT_MulFix( SUB_INT32( csCoord, + hintmap->edge[i].csCoord ), + hintmap->edge[i].scale ), + hintmap->edge[i].dsCoord ); + } + } + } + + + /* + * This hinting policy moves a hint pair in device space so that one of + * its two edges is on a device pixel boundary (its fractional part is + * zero). `cf2_hintmap_insertHint' guarantees no overlap in CS + * space. Ensure here that there is no overlap in DS. + * + * In the first pass, edges are adjusted relative to adjacent hints. + * Those that are below have already been adjusted. Those that are + * above have not yet been adjusted. If a hint above blocks an + * adjustment to an optimal position, we will try again in a second + * pass. The second pass is top-down. + * + */ + + static void + cf2_hintmap_adjustHints( CF2_HintMap hintmap ) + { + size_t i, j; + + + cf2_arrstack_clear( hintmap->hintMoves ); /* working storage */ + + /* + * First pass is bottom-up (font hint order) without look-ahead. + * Locked edges are already adjusted. + * Unlocked edges begin with dsCoord from `initialHintMap'. + * Save edges that are not optimally adjusted in `hintMoves' array, + * and process them in second pass. + */ + + for ( i = 0; i < hintmap->count; i++ ) + { + FT_Bool isPair = cf2_hint_isPair( &hintmap->edge[i] ); + + + /* index of upper edge (same value for ghost hint) */ + j = isPair ? i + 1 : i; + + FT_ASSERT( j < hintmap->count ); + FT_ASSERT( cf2_hint_isValid( &hintmap->edge[i] ) ); + FT_ASSERT( cf2_hint_isValid( &hintmap->edge[j] ) ); + FT_ASSERT( cf2_hint_isLocked( &hintmap->edge[i] ) == + cf2_hint_isLocked( &hintmap->edge[j] ) ); + + if ( !cf2_hint_isLocked( &hintmap->edge[i] ) ) + { + /* hint edge is not locked, we can adjust it */ + CF2_Fixed fracDown = cf2_fixedFraction( hintmap->edge[i].dsCoord ); + CF2_Fixed fracUp = cf2_fixedFraction( hintmap->edge[j].dsCoord ); + + /* calculate all four possibilities; moves down are negative */ + CF2_Fixed downMoveDown = 0 - fracDown; + CF2_Fixed upMoveDown = 0 - fracUp; + CF2_Fixed downMoveUp = ( fracDown == 0 ) + ? 0 + : cf2_intToFixed( 1 ) - fracDown; + CF2_Fixed upMoveUp = ( fracUp == 0 ) + ? 0 + : cf2_intToFixed( 1 ) - fracUp; + + /* smallest move up */ + CF2_Fixed moveUp = FT_MIN( downMoveUp, upMoveUp ); + /* smallest move down */ + CF2_Fixed moveDown = FT_MAX( downMoveDown, upMoveDown ); + + /* final amount to move edge or edge pair */ + CF2_Fixed move; + + CF2_Fixed downMinCounter = CF2_MIN_COUNTER; + CF2_Fixed upMinCounter = CF2_MIN_COUNTER; + FT_Bool saveEdge = FALSE; + + + /* minimum counter constraint doesn't apply when adjacent edges */ + /* are synthetic */ + /* TODO: doesn't seem a big effect; for now, reduce the code */ +#if 0 + if ( i == 0 || + cf2_hint_isSynthetic( &hintmap->edge[i - 1] ) ) + downMinCounter = 0; + + if ( j >= hintmap->count - 1 || + cf2_hint_isSynthetic( &hintmap->edge[j + 1] ) ) + upMinCounter = 0; +#endif + + /* is there room to move up? */ + /* there is if we are at top of array or the next edge is at or */ + /* beyond proposed move up? */ + if ( j >= hintmap->count - 1 || + hintmap->edge[j + 1].dsCoord >= + ADD_INT32( hintmap->edge[j].dsCoord, + moveUp + upMinCounter ) ) + { + /* there is room to move up; is there also room to move down? */ + if ( i == 0 || + hintmap->edge[i - 1].dsCoord <= + ADD_INT32( hintmap->edge[i].dsCoord, + moveDown - downMinCounter ) ) + { + /* move smaller absolute amount */ + move = ( -moveDown < moveUp ) ? moveDown : moveUp; /* optimum */ + } + else + move = moveUp; + } + else + { + /* is there room to move down? */ + if ( i == 0 || + hintmap->edge[i - 1].dsCoord <= + ADD_INT32( hintmap->edge[i].dsCoord, + moveDown - downMinCounter ) ) + { + move = moveDown; + /* true if non-optimum move */ + saveEdge = (FT_Bool)( moveUp < -moveDown ); + } + else + { + /* no room to move either way without overlapping or reducing */ + /* the counter too much */ + move = 0; + saveEdge = TRUE; + } + } + + /* Identify non-moves and moves down that aren't optimal, and save */ + /* them for second pass. */ + /* Do this only if there is an unlocked edge above (which could */ + /* possibly move). */ + if ( saveEdge && + j < hintmap->count - 1 && + !cf2_hint_isLocked( &hintmap->edge[j + 1] ) ) + { + CF2_HintMoveRec savedMove; + + + savedMove.j = j; + /* desired adjustment in second pass */ + savedMove.moveUp = moveUp - move; + + cf2_arrstack_push( hintmap->hintMoves, &savedMove ); + } + + /* move the edge(s) */ + hintmap->edge[i].dsCoord = ADD_INT32( hintmap->edge[i].dsCoord, + move ); + if ( isPair ) + hintmap->edge[j].dsCoord = ADD_INT32( hintmap->edge[j].dsCoord, + move ); + } + + /* assert there are no overlaps in device space */ + FT_ASSERT( i == 0 || + hintmap->edge[i - 1].dsCoord <= hintmap->edge[i].dsCoord ); + FT_ASSERT( i < j || + hintmap->edge[i].dsCoord <= hintmap->edge[j].dsCoord ); + + /* adjust the scales, avoiding divide by zero */ + if ( i > 0 ) + { + if ( hintmap->edge[i].csCoord != hintmap->edge[i - 1].csCoord ) + hintmap->edge[i - 1].scale = + FT_DivFix( SUB_INT32( hintmap->edge[i].dsCoord, + hintmap->edge[i - 1].dsCoord ), + SUB_INT32( hintmap->edge[i].csCoord, + hintmap->edge[i - 1].csCoord ) ); + } + + if ( isPair ) + { + if ( hintmap->edge[j].csCoord != hintmap->edge[j - 1].csCoord ) + hintmap->edge[j - 1].scale = + FT_DivFix( SUB_INT32( hintmap->edge[j].dsCoord, + hintmap->edge[j - 1].dsCoord ), + SUB_INT32( hintmap->edge[j].csCoord, + hintmap->edge[j - 1].csCoord ) ); + + i += 1; /* skip upper edge on next loop */ + } + } + + /* second pass tries to move non-optimal hints up, in case there is */ + /* room now */ + for ( i = cf2_arrstack_size( hintmap->hintMoves ); i > 0; i-- ) + { + CF2_HintMove hintMove = (CF2_HintMove) + cf2_arrstack_getPointer( hintmap->hintMoves, i - 1 ); + + + j = hintMove->j; + + /* this was tested before the push, above */ + FT_ASSERT( j < hintmap->count - 1 ); + + /* is there room to move up? */ + if ( hintmap->edge[j + 1].dsCoord >= + ADD_INT32( hintmap->edge[j].dsCoord, + hintMove->moveUp + CF2_MIN_COUNTER ) ) + { + /* there is more room now, move edge up */ + hintmap->edge[j].dsCoord = ADD_INT32( hintmap->edge[j].dsCoord, + hintMove->moveUp ); + + if ( cf2_hint_isPair( &hintmap->edge[j] ) ) + { + FT_ASSERT( j > 0 ); + hintmap->edge[j - 1].dsCoord = + ADD_INT32( hintmap->edge[j - 1].dsCoord, hintMove->moveUp ); + } + } + } + } + + + /* insert hint edges into map, sorted by csCoord */ + static void + cf2_hintmap_insertHint( CF2_HintMap hintmap, + CF2_Hint bottomHintEdge, + CF2_Hint topHintEdge ) + { + CF2_UInt indexInsert; + + /* set default values, then check for edge hints */ + FT_Bool isPair = TRUE; + CF2_Hint firstHintEdge = bottomHintEdge; + CF2_Hint secondHintEdge = topHintEdge; + + + /* one or none of the input params may be invalid when dealing with */ + /* edge hints; at least one edge must be valid */ + FT_ASSERT( cf2_hint_isValid( bottomHintEdge ) || + cf2_hint_isValid( topHintEdge ) ); + + /* determine how many and which edges to insert */ + if ( !cf2_hint_isValid( bottomHintEdge ) ) + { + /* insert only the top edge */ + firstHintEdge = topHintEdge; + isPair = FALSE; + } + else if ( !cf2_hint_isValid( topHintEdge ) ) + { + /* insert only the bottom edge */ + isPair = FALSE; + } + + /* paired edges must be in proper order */ + if ( isPair && + topHintEdge->csCoord < bottomHintEdge->csCoord ) + return; + + /* linear search to find index value of insertion point */ + indexInsert = 0; + for ( ; indexInsert < hintmap->count; indexInsert++ ) + { + if ( hintmap->edge[indexInsert].csCoord >= firstHintEdge->csCoord ) + break; + } + + FT_TRACE7(( " Got hint at %.2f (%.2f)\n", + firstHintEdge->csCoord / 65536.0, + firstHintEdge->dsCoord / 65536.0 )); + if ( isPair ) + FT_TRACE7(( " Got hint at %.2f (%.2f)\n", + secondHintEdge->csCoord / 65536.0, + secondHintEdge->dsCoord / 65536.0 )); + + /* + * Discard any hints that overlap in character space. Most often, this + * is while building the initial map, where captured hints from all + * zones are combined. Define overlap to include hints that `touch' + * (overlap zero). Hiragino Sans/Gothic fonts have numerous hints that + * touch. Some fonts have non-ideographic glyphs that overlap our + * synthetic hints. + * + * Overlap also occurs when darkening stem hints that are close. + * + */ + if ( indexInsert < hintmap->count ) + { + /* we are inserting before an existing edge: */ + /* verify that an existing edge is not the same */ + if ( hintmap->edge[indexInsert].csCoord == firstHintEdge->csCoord ) + return; /* ignore overlapping stem hint */ + + /* verify that a new pair does not straddle the next edge */ + if ( isPair && + hintmap->edge[indexInsert].csCoord <= secondHintEdge->csCoord ) + return; /* ignore overlapping stem hint */ + + /* verify that we are not inserting between paired edges */ + if ( cf2_hint_isPairTop( &hintmap->edge[indexInsert] ) ) + return; /* ignore overlapping stem hint */ + } + + /* recompute device space locations using initial hint map */ + if ( cf2_hintmap_isValid( hintmap->initialHintMap ) && + !cf2_hint_isLocked( firstHintEdge ) ) + { + if ( isPair ) + { + /* Use hint map to position the center of stem, and nominal scale */ + /* to position the two edges. This preserves the stem width. */ + CF2_Fixed midpoint = + cf2_hintmap_map( + hintmap->initialHintMap, + ADD_INT32( secondHintEdge->csCoord, + firstHintEdge->csCoord ) / 2 ); + CF2_Fixed halfWidth = + FT_MulFix( SUB_INT32( secondHintEdge->csCoord, + firstHintEdge->csCoord ) / 2, + hintmap->scale ); + + + firstHintEdge->dsCoord = SUB_INT32( midpoint, halfWidth ); + secondHintEdge->dsCoord = ADD_INT32( midpoint, halfWidth ); + } + else + firstHintEdge->dsCoord = cf2_hintmap_map( hintmap->initialHintMap, + firstHintEdge->csCoord ); + } + + /* + * Discard any hints that overlap in device space; this can occur + * because locked hints have been moved to align with blue zones. + * + * TODO: Although we might correct this later during adjustment, we + * don't currently have a way to delete a conflicting hint once it has + * been inserted. See v2.030 MinionPro-Regular, 12 ppem darkened, + * initial hint map for second path, glyph 945 (the perispomeni (tilde) + * in U+1F6E, Greek omega with psili and perispomeni). Darkening is + * 25. Pair 667,747 initially conflicts in design space with top edge + * 660. This is because 667 maps to 7.87, and the top edge was + * captured by a zone at 8.0. The pair is later successfully inserted + * in a zone without the top edge. In this zone it is adjusted to 8.0, + * and no longer conflicts with the top edge in design space. This + * means it can be included in yet a later zone which does have the top + * edge hint. This produces a small mismatch between the first and + * last points of this path, even though the hint masks are the same. + * The density map difference is tiny (1/256). + * + */ + + if ( indexInsert > 0 ) + { + /* we are inserting after an existing edge */ + if ( firstHintEdge->dsCoord < hintmap->edge[indexInsert - 1].dsCoord ) + return; + } + + if ( indexInsert < hintmap->count ) + { + /* we are inserting before an existing edge */ + if ( isPair ) + { + if ( secondHintEdge->dsCoord > hintmap->edge[indexInsert].dsCoord ) + return; + } + else + { + if ( firstHintEdge->dsCoord > hintmap->edge[indexInsert].dsCoord ) + return; + } + } + + /* make room to insert */ + { + CF2_UInt iSrc = hintmap->count - 1; + CF2_UInt iDst = isPair ? hintmap->count + 1 : hintmap->count; + + CF2_UInt count = hintmap->count - indexInsert; + + + if ( iDst >= CF2_MAX_HINT_EDGES ) + { + FT_TRACE4(( "cf2_hintmap_insertHint: too many hintmaps\n" )); + return; + } + + while ( count-- ) + hintmap->edge[iDst--] = hintmap->edge[iSrc--]; + + /* insert first edge */ + hintmap->edge[indexInsert] = *firstHintEdge; /* copy struct */ + hintmap->count += 1; + + FT_TRACE7(( " Inserting hint %.2f (%.2f)\n", + firstHintEdge->csCoord / 65536.0, + firstHintEdge->dsCoord / 65536.0 )); + + if ( isPair ) + { + /* insert second edge */ + hintmap->edge[indexInsert + 1] = *secondHintEdge; /* copy struct */ + hintmap->count += 1; + + FT_TRACE7(( " Inserting hint %.2f (%.2f)\n", + secondHintEdge->csCoord / 65536.0, + secondHintEdge->dsCoord / 65536.0 )); + + } + } + + return; + } + + + /* + * Build a map from hints and mask. + * + * This function may recur one level if `hintmap->initialHintMap' is not yet + * valid. + * If `initialMap' is true, simply build initial map. + * + * Synthetic hints are used in two ways. A hint at zero is inserted, if + * needed, in the initial hint map, to prevent translations from + * propagating across the origin. If synthetic em box hints are enabled + * for ideographic dictionaries, then they are inserted in all hint + * maps, including the initial one. + * + */ + FT_LOCAL_DEF( void ) + cf2_hintmap_build( CF2_HintMap hintmap, + CF2_ArrStack hStemHintArray, + CF2_ArrStack vStemHintArray, + CF2_HintMask hintMask, + CF2_Fixed hintOrigin, + FT_Bool initialMap ) + { + FT_Byte* maskPtr; + + CF2_Font font = hintmap->font; + CF2_HintMaskRec tempHintMask; + + size_t bitCount, i; + FT_Byte maskByte; + + + /* check whether initial map is constructed */ + if ( !initialMap && !cf2_hintmap_isValid( hintmap->initialHintMap ) ) + { + /* make recursive call with initialHintMap and temporary mask; */ + /* temporary mask will get all bits set, below */ + cf2_hintmask_init( &tempHintMask, hintMask->error ); + cf2_hintmap_build( hintmap->initialHintMap, + hStemHintArray, + vStemHintArray, + &tempHintMask, + hintOrigin, + TRUE ); + } + + if ( !cf2_hintmask_isValid( hintMask ) ) + { + /* without a hint mask, assume all hints are active */ + cf2_hintmask_setAll( hintMask, + cf2_arrstack_size( hStemHintArray ) + + cf2_arrstack_size( vStemHintArray ) ); + if ( !cf2_hintmask_isValid( hintMask ) ) + { + if ( font->isT1 ) + { + /* no error, just continue unhinted */ + *hintMask->error = FT_Err_Ok; + hintmap->hinted = FALSE; + } + return; /* too many stem hints */ + } + } + + /* begin by clearing the map */ + hintmap->count = 0; + hintmap->lastIndex = 0; + + /* make a copy of the hint mask so we can modify it */ + tempHintMask = *hintMask; + maskPtr = cf2_hintmask_getMaskPtr( &tempHintMask ); + + /* use the hStem hints only, which are first in the mask */ + bitCount = cf2_arrstack_size( hStemHintArray ); + + /* Defense-in-depth. Should never return here. */ + if ( bitCount > hintMask->bitCount ) + return; + + /* synthetic embox hints get highest priority */ + if ( font->blues.doEmBoxHints ) + { + CF2_HintRec dummy; + + + cf2_hint_initZero( &dummy ); /* invalid hint map element */ + + /* ghost bottom */ + cf2_hintmap_insertHint( hintmap, + &font->blues.emBoxBottomEdge, + &dummy ); + /* ghost top */ + cf2_hintmap_insertHint( hintmap, + &dummy, + &font->blues.emBoxTopEdge ); + } + + /* insert hints captured by a blue zone or already locked (higher */ + /* priority) */ + for ( i = 0, maskByte = 0x80; i < bitCount; i++ ) + { + if ( maskByte & *maskPtr ) + { + /* expand StemHint into two `CF2_Hint' elements */ + CF2_HintRec bottomHintEdge, topHintEdge; + + + cf2_hint_init( &bottomHintEdge, + hStemHintArray, + i, + font, + hintOrigin, + hintmap->scale, + TRUE /* bottom */ ); + cf2_hint_init( &topHintEdge, + hStemHintArray, + i, + font, + hintOrigin, + hintmap->scale, + FALSE /* top */ ); + + if ( cf2_hint_isLocked( &bottomHintEdge ) || + cf2_hint_isLocked( &topHintEdge ) || + cf2_blues_capture( &font->blues, + &bottomHintEdge, + &topHintEdge ) ) + { + /* insert captured hint into map */ + cf2_hintmap_insertHint( hintmap, &bottomHintEdge, &topHintEdge ); + + *maskPtr &= ~maskByte; /* turn off the bit for this hint */ + } + } + + if ( ( i & 7 ) == 7 ) + { + /* move to next mask byte */ + maskPtr++; + maskByte = 0x80; + } + else + maskByte >>= 1; + } + + /* initial hint map includes only captured hints plus maybe one at 0 */ + + /* + * TODO: There is a problem here because we are trying to build a + * single hint map containing all captured hints. It is + * possible for there to be conflicts between captured hints, + * either because of darkening or because the hints are in + * separate hint zones (we are ignoring hint zones for the + * initial map). An example of the latter is MinionPro-Regular + * v2.030 glyph 883 (Greek Capital Alpha with Psili) at 15ppem. + * A stem hint for the psili conflicts with the top edge hint + * for the base character. The stem hint gets priority because + * of its sort order. In glyph 884 (Greek Capital Alpha with + * Psili and Oxia), the top of the base character gets a stem + * hint, and the psili does not. This creates different initial + * maps for the two glyphs resulting in different renderings of + * the base character. Will probably defer this either as not + * worth the cost or as a font bug. I don't think there is any + * good reason for an accent to be captured by an alignment + * zone. -darnold 2/12/10 + */ + + if ( initialMap ) + { + /* Apply a heuristic that inserts a point for (0,0), unless it's */ + /* already covered by a mapping. This locks the baseline for glyphs */ + /* that have no baseline hints. */ + + if ( hintmap->count == 0 || + hintmap->edge[0].csCoord > 0 || + hintmap->edge[hintmap->count - 1].csCoord < 0 ) + { + /* all edges are above 0 or all edges are below 0; */ + /* construct a locked edge hint at 0 */ + + CF2_HintRec edge, invalid; + + + cf2_hint_initZero( &edge ); + + edge.flags = CF2_GhostBottom | + CF2_Locked | + CF2_Synthetic; + edge.scale = hintmap->scale; + + cf2_hint_initZero( &invalid ); + cf2_hintmap_insertHint( hintmap, &edge, &invalid ); + } + } + else + { + /* insert remaining hints */ + + maskPtr = cf2_hintmask_getMaskPtr( &tempHintMask ); + + for ( i = 0, maskByte = 0x80; i < bitCount; i++ ) + { + if ( maskByte & *maskPtr ) + { + CF2_HintRec bottomHintEdge, topHintEdge; + + + cf2_hint_init( &bottomHintEdge, + hStemHintArray, + i, + font, + hintOrigin, + hintmap->scale, + TRUE /* bottom */ ); + cf2_hint_init( &topHintEdge, + hStemHintArray, + i, + font, + hintOrigin, + hintmap->scale, + FALSE /* top */ ); + + cf2_hintmap_insertHint( hintmap, &bottomHintEdge, &topHintEdge ); + } + + if ( ( i & 7 ) == 7 ) + { + /* move to next mask byte */ + maskPtr++; + maskByte = 0x80; + } + else + maskByte >>= 1; + } + } + + FT_TRACE6(( initialMap ? "flags: [p]air [g]host [t]op " + "[b]ottom [L]ocked [S]ynthetic\n" + "Initial hintmap\n" + : "Hints:\n" )); + cf2_hintmap_dump( hintmap ); + + /* + * Note: The following line is a convenient place to break when + * debugging hinting. Examine `hintmap->edge' for the list of + * enabled hints, then step over the call to see the effect of + * adjustment. We stop here first on the recursive call that + * creates the initial map, and then on each counter group and + * hint zone. + */ + + /* adjust positions of hint edges that are not locked to blue zones */ + cf2_hintmap_adjustHints( hintmap ); + + FT_TRACE6(( "(adjusted)\n" )); + cf2_hintmap_dump( hintmap ); + + /* save the position of all hints that were used in this hint map; */ + /* if we use them again, we'll locate them in the same position */ + if ( !initialMap ) + { + for ( i = 0; i < hintmap->count; i++ ) + { + if ( !cf2_hint_isSynthetic( &hintmap->edge[i] ) ) + { + /* Note: include both valid and invalid edges */ + /* Note: top and bottom edges are copied back separately */ + CF2_StemHint stemhint = (CF2_StemHint) + cf2_arrstack_getPointer( hStemHintArray, + hintmap->edge[i].index ); + + + if ( cf2_hint_isTop( &hintmap->edge[i] ) ) + stemhint->maxDS = hintmap->edge[i].dsCoord; + else + stemhint->minDS = hintmap->edge[i].dsCoord; + + stemhint->used = TRUE; + } + } + } + + /* hint map is ready to use */ + hintmap->isValid = TRUE; + + /* remember this mask has been used */ + cf2_hintmask_setNew( hintMask, FALSE ); + } + + + FT_LOCAL_DEF( void ) + cf2_glyphpath_init( CF2_GlyphPath glyphpath, + CF2_Font font, + CF2_OutlineCallbacks callbacks, + CF2_Fixed scaleY, + /* CF2_Fixed hShift, */ + CF2_ArrStack hStemHintArray, + CF2_ArrStack vStemHintArray, + CF2_HintMask hintMask, + CF2_Fixed hintOriginY, + const CF2_Blues blues, + const FT_Vector* fractionalTranslation ) + { + FT_ZERO( glyphpath ); + + glyphpath->font = font; + glyphpath->callbacks = callbacks; + + cf2_arrstack_init( &glyphpath->hintMoves, + font->memory, + &font->error, + sizeof ( CF2_HintMoveRec ) ); + + cf2_hintmap_init( &glyphpath->initialHintMap, + font, + &glyphpath->initialHintMap, + &glyphpath->hintMoves, + scaleY ); + cf2_hintmap_init( &glyphpath->firstHintMap, + font, + &glyphpath->initialHintMap, + &glyphpath->hintMoves, + scaleY ); + cf2_hintmap_init( &glyphpath->hintMap, + font, + &glyphpath->initialHintMap, + &glyphpath->hintMoves, + scaleY ); + + glyphpath->scaleX = font->innerTransform.a; + glyphpath->scaleC = font->innerTransform.c; + glyphpath->scaleY = font->innerTransform.d; + + glyphpath->fractionalTranslation = *fractionalTranslation; + +#if 0 + glyphpath->hShift = hShift; /* for fauxing */ +#endif + + glyphpath->hStemHintArray = hStemHintArray; + glyphpath->vStemHintArray = vStemHintArray; + glyphpath->hintMask = hintMask; /* ptr to current mask */ + glyphpath->hintOriginY = hintOriginY; + glyphpath->blues = blues; + glyphpath->darken = font->darkened; /* TODO: should we make copies? */ + glyphpath->xOffset = font->darkenX; + glyphpath->yOffset = font->darkenY; + glyphpath->miterLimit = 2 * FT_MAX( + cf2_fixedAbs( glyphpath->xOffset ), + cf2_fixedAbs( glyphpath->yOffset ) ); + + /* .1 character space unit */ + glyphpath->snapThreshold = cf2_doubleToFixed( 0.1 ); + + glyphpath->moveIsPending = TRUE; + glyphpath->pathIsOpen = FALSE; + glyphpath->pathIsClosing = FALSE; + glyphpath->elemIsQueued = FALSE; + } + + + FT_LOCAL_DEF( void ) + cf2_glyphpath_finalize( CF2_GlyphPath glyphpath ) + { + cf2_arrstack_finalize( &glyphpath->hintMoves ); + } + + + /* + * Hint point in y-direction and apply outerTransform. + * Input `current' hint map (which is actually delayed by one element). + * Input x,y point in Character Space. + * Output x,y point in Device Space, including translation. + */ + static void + cf2_glyphpath_hintPoint( CF2_GlyphPath glyphpath, + CF2_HintMap hintmap, + FT_Vector* ppt, + CF2_Fixed x, + CF2_Fixed y ) + { + FT_Vector pt; /* hinted point in upright DS */ + + + pt.x = ADD_INT32( FT_MulFix( glyphpath->scaleX, x ), + FT_MulFix( glyphpath->scaleC, y ) ); + pt.y = cf2_hintmap_map( hintmap, y ); + + ppt->x = ADD_INT32( + FT_MulFix( glyphpath->font->outerTransform.a, pt.x ), + ADD_INT32( + FT_MulFix( glyphpath->font->outerTransform.c, pt.y ), + glyphpath->fractionalTranslation.x ) ); + ppt->y = ADD_INT32( + FT_MulFix( glyphpath->font->outerTransform.b, pt.x ), + ADD_INT32( + FT_MulFix( glyphpath->font->outerTransform.d, pt.y ), + glyphpath->fractionalTranslation.y ) ); + } + + + /* + * From two line segments, (u1,u2) and (v1,v2), compute a point of + * intersection on the corresponding lines. + * Return false if no intersection is found, or if the intersection is + * too far away from the ends of the line segments, u2 and v1. + * + */ + static FT_Bool + cf2_glyphpath_computeIntersection( CF2_GlyphPath glyphpath, + const FT_Vector* u1, + const FT_Vector* u2, + const FT_Vector* v1, + const FT_Vector* v2, + FT_Vector* intersection ) + { + /* + * Let `u' be a zero-based vector from the first segment, `v' from the + * second segment. + * Let `w 'be the zero-based vector from `u1' to `v1'. + * `perp' is the `perpendicular dot product'; see + * https://mathworld.wolfram.com/PerpDotProduct.html. + * `s' is the parameter for the parametric line for the first segment + * (`u'). + * + * See notation in + * http://softsurfer.com/Archive/algorithm_0104/algorithm_0104B.htm. + * Calculations are done in 16.16, but must handle the squaring of + * line lengths in character space. We scale all vectors by 1/32 to + * avoid overflow. This allows values up to 4095 to be squared. The + * scale factor cancels in the divide. + * + * TODO: the scale factor could be computed from UnitsPerEm. + * + */ + +#define cf2_perp( a, b ) \ + ( FT_MulFix( a.x, b.y ) - FT_MulFix( a.y, b.x ) ) + + /* round and divide by 32 */ +#define CF2_CS_SCALE( x ) \ + ( ( (x) + 0x10 ) >> 5 ) + + FT_Vector u, v, w; /* scaled vectors */ + CF2_Fixed denominator, s; + + + u.x = CF2_CS_SCALE( SUB_INT32( u2->x, u1->x ) ); + u.y = CF2_CS_SCALE( SUB_INT32( u2->y, u1->y ) ); + v.x = CF2_CS_SCALE( SUB_INT32( v2->x, v1->x ) ); + v.y = CF2_CS_SCALE( SUB_INT32( v2->y, v1->y ) ); + w.x = CF2_CS_SCALE( SUB_INT32( v1->x, u1->x ) ); + w.y = CF2_CS_SCALE( SUB_INT32( v1->y, u1->y ) ); + + denominator = cf2_perp( u, v ); + + if ( denominator == 0 ) + return FALSE; /* parallel or coincident lines */ + + s = FT_DivFix( cf2_perp( w, v ), denominator ); + + intersection->x = ADD_INT32( u1->x, + FT_MulFix( s, SUB_INT32( u2->x, u1->x ) ) ); + intersection->y = ADD_INT32( u1->y, + FT_MulFix( s, SUB_INT32( u2->y, u1->y ) ) ); + + + /* + * Special case snapping for horizontal and vertical lines. + * This cleans up intersections and reduces problems with winding + * order detection. + * Sample case is sbc cd KozGoPr6N-Medium.otf 20 16685. + * Note: these calculations are in character space. + * + */ + + if ( u1->x == u2->x && + cf2_fixedAbs( SUB_INT32( intersection->x, + u1->x ) ) < glyphpath->snapThreshold ) + intersection->x = u1->x; + if ( u1->y == u2->y && + cf2_fixedAbs( SUB_INT32( intersection->y, + u1->y ) ) < glyphpath->snapThreshold ) + intersection->y = u1->y; + + if ( v1->x == v2->x && + cf2_fixedAbs( SUB_INT32( intersection->x, + v1->x ) ) < glyphpath->snapThreshold ) + intersection->x = v1->x; + if ( v1->y == v2->y && + cf2_fixedAbs( SUB_INT32( intersection->y, + v1->y ) ) < glyphpath->snapThreshold ) + intersection->y = v1->y; + + /* limit the intersection distance from midpoint of u2 and v1 */ + if ( cf2_fixedAbs( intersection->x - ADD_INT32( u2->x, v1->x ) / 2 ) > + glyphpath->miterLimit || + cf2_fixedAbs( intersection->y - ADD_INT32( u2->y, v1->y ) / 2 ) > + glyphpath->miterLimit ) + return FALSE; + + return TRUE; + } + + + /* + * Push the cached element (glyphpath->prevElem*) to the outline + * consumer. When a darkening offset is used, the end point of the + * cached element may be adjusted to an intersection point or we may + * synthesize a connecting line to the current element. If we are + * closing a subpath, we may also generate a connecting line to the start + * point. + * + * This is where Character Space (CS) is converted to Device Space (DS) + * using a hint map. This calculation must use a HintMap that was valid + * at the time the element was saved. For the first point in a subpath, + * that is a saved HintMap. For most elements, it just means the caller + * has delayed building a HintMap from the current HintMask. + * + * Transform each point with outerTransform and call the outline + * callbacks. This is a general 3x3 transform: + * + * x' = a*x + c*y + tx, y' = b*x + d*y + ty + * + * but it uses 4 elements from CF2_Font and the translation part + * from CF2_GlyphPath. + * + */ + static void + cf2_glyphpath_pushPrevElem( CF2_GlyphPath glyphpath, + CF2_HintMap hintmap, + FT_Vector* nextP0, + FT_Vector nextP1, + FT_Bool close ) + { + CF2_CallbackParamsRec params; + + FT_Vector* prevP0; + FT_Vector* prevP1; + + FT_Vector intersection = { 0, 0 }; + FT_Bool useIntersection = FALSE; + + + FT_ASSERT( glyphpath->prevElemOp == CF2_PathOpLineTo || + glyphpath->prevElemOp == CF2_PathOpCubeTo ); + + if ( glyphpath->prevElemOp == CF2_PathOpLineTo ) + { + prevP0 = &glyphpath->prevElemP0; + prevP1 = &glyphpath->prevElemP1; + } + else + { + prevP0 = &glyphpath->prevElemP2; + prevP1 = &glyphpath->prevElemP3; + } + + /* optimization: if previous and next elements are offset by the same */ + /* amount, then there will be no gap, and no need to compute an */ + /* intersection. */ + if ( prevP1->x != nextP0->x || prevP1->y != nextP0->y ) + { + /* previous element does not join next element: */ + /* adjust end point of previous element to the intersection */ + useIntersection = cf2_glyphpath_computeIntersection( glyphpath, + prevP0, + prevP1, + nextP0, + &nextP1, + &intersection ); + if ( useIntersection ) + { + /* modify the last point of the cached element (either line or */ + /* curve) */ + *prevP1 = intersection; + } + } + + params.pt0 = glyphpath->currentDS; + + switch( glyphpath->prevElemOp ) + { + case CF2_PathOpLineTo: + params.op = CF2_PathOpLineTo; + + /* note: pt2 and pt3 are unused */ + + if ( close ) + { + /* use first hint map if closing */ + cf2_glyphpath_hintPoint( glyphpath, + &glyphpath->firstHintMap, + ¶ms.pt1, + glyphpath->prevElemP1.x, + glyphpath->prevElemP1.y ); + } + else + { + cf2_glyphpath_hintPoint( glyphpath, + hintmap, + ¶ms.pt1, + glyphpath->prevElemP1.x, + glyphpath->prevElemP1.y ); + } + + /* output only non-zero length lines */ + if ( params.pt0.x != params.pt1.x || params.pt0.y != params.pt1.y ) + { + glyphpath->callbacks->lineTo( glyphpath->callbacks, ¶ms ); + + glyphpath->currentDS = params.pt1; + } + break; + + case CF2_PathOpCubeTo: + params.op = CF2_PathOpCubeTo; + + /* TODO: should we intersect the interior joins (p1-p2 and p2-p3)? */ + cf2_glyphpath_hintPoint( glyphpath, + hintmap, + ¶ms.pt1, + glyphpath->prevElemP1.x, + glyphpath->prevElemP1.y ); + cf2_glyphpath_hintPoint( glyphpath, + hintmap, + ¶ms.pt2, + glyphpath->prevElemP2.x, + glyphpath->prevElemP2.y ); + cf2_glyphpath_hintPoint( glyphpath, + hintmap, + ¶ms.pt3, + glyphpath->prevElemP3.x, + glyphpath->prevElemP3.y ); + + glyphpath->callbacks->cubeTo( glyphpath->callbacks, ¶ms ); + + glyphpath->currentDS = params.pt3; + + break; + } + + if ( !useIntersection || close ) + { + /* insert connecting line between end of previous element and start */ + /* of current one */ + /* note: at the end of a subpath, we might do both, so use `nextP0' */ + /* before we change it, below */ + + if ( close ) + { + /* if we are closing the subpath, then nextP0 is in the first */ + /* hint zone */ + cf2_glyphpath_hintPoint( glyphpath, + &glyphpath->firstHintMap, + ¶ms.pt1, + nextP0->x, + nextP0->y ); + } + else + { + cf2_glyphpath_hintPoint( glyphpath, + hintmap, + ¶ms.pt1, + nextP0->x, + nextP0->y ); + } + + if ( params.pt1.x != glyphpath->currentDS.x || + params.pt1.y != glyphpath->currentDS.y ) + { + /* length is nonzero */ + params.op = CF2_PathOpLineTo; + params.pt0 = glyphpath->currentDS; + + /* note: pt2 and pt3 are unused */ + glyphpath->callbacks->lineTo( glyphpath->callbacks, ¶ms ); + + glyphpath->currentDS = params.pt1; + } + } + + if ( useIntersection ) + { + /* return intersection point to caller */ + *nextP0 = intersection; + } + } + + + /* push a MoveTo element based on current point and offset of current */ + /* element */ + static void + cf2_glyphpath_pushMove( CF2_GlyphPath glyphpath, + FT_Vector start ) + { + CF2_CallbackParamsRec params; + + + params.op = CF2_PathOpMoveTo; + params.pt0 = glyphpath->currentDS; + + /* Test if move has really happened yet; it would have called */ + /* `cf2_hintmap_build' to set `isValid'. */ + if ( !cf2_hintmap_isValid( &glyphpath->hintMap ) ) + { + /* we are here iff first subpath is missing a moveto operator: */ + /* synthesize first moveTo to finish initialization of hintMap */ + cf2_glyphpath_moveTo( glyphpath, + glyphpath->start.x, + glyphpath->start.y ); + } + + cf2_glyphpath_hintPoint( glyphpath, + &glyphpath->hintMap, + ¶ms.pt1, + start.x, + start.y ); + + /* note: pt2 and pt3 are unused */ + glyphpath->callbacks->moveTo( glyphpath->callbacks, ¶ms ); + + glyphpath->currentDS = params.pt1; + glyphpath->offsetStart0 = start; + } + + + /* + * All coordinates are in character space. + * On input, (x1, y1) and (x2, y2) give line segment. + * On output, (x, y) give offset vector. + * We use a piecewise approximation to trig functions. + * + * TODO: Offset true perpendicular and proper length + * supply the y-translation for hinting here, too, + * that adds yOffset unconditionally to *y. + */ + static void + cf2_glyphpath_computeOffset( CF2_GlyphPath glyphpath, + CF2_Fixed x1, + CF2_Fixed y1, + CF2_Fixed x2, + CF2_Fixed y2, + CF2_Fixed* x, + CF2_Fixed* y ) + { + CF2_Fixed dx = SUB_INT32( x2, x1 ); + CF2_Fixed dy = SUB_INT32( y2, y1 ); + + + /* note: negative offsets don't work here; negate deltas to change */ + /* quadrants, below */ + if ( glyphpath->font->reverseWinding ) + { + dx = NEG_INT32( dx ); + dy = NEG_INT32( dy ); + } + + *x = *y = 0; + + if ( !glyphpath->darken ) + return; + + /* add momentum for this path element */ + glyphpath->callbacks->windingMomentum = + ADD_INT32( glyphpath->callbacks->windingMomentum, + cf2_getWindingMomentum( x1, y1, x2, y2 ) ); + + /* note: allow mixed integer and fixed multiplication here */ + if ( dx >= 0 ) + { + if ( dy >= 0 ) + { + /* first quadrant, +x +y */ + + if ( dx > MUL_INT32( 2, dy ) ) + { + /* +x */ + *x = 0; + *y = 0; + } + else if ( dy > MUL_INT32( 2, dx ) ) + { + /* +y */ + *x = glyphpath->xOffset; + *y = glyphpath->yOffset; + } + else + { + /* +x +y */ + *x = FT_MulFix( cf2_doubleToFixed( 0.7 ), + glyphpath->xOffset ); + *y = FT_MulFix( cf2_doubleToFixed( 1.0 - 0.7 ), + glyphpath->yOffset ); + } + } + else + { + /* fourth quadrant, +x -y */ + + if ( dx > MUL_INT32( -2, dy ) ) + { + /* +x */ + *x = 0; + *y = 0; + } + else if ( NEG_INT32( dy ) > MUL_INT32( 2, dx ) ) + { + /* -y */ + *x = NEG_INT32( glyphpath->xOffset ); + *y = glyphpath->yOffset; + } + else + { + /* +x -y */ + *x = FT_MulFix( cf2_doubleToFixed( -0.7 ), + glyphpath->xOffset ); + *y = FT_MulFix( cf2_doubleToFixed( 1.0 - 0.7 ), + glyphpath->yOffset ); + } + } + } + else + { + if ( dy >= 0 ) + { + /* second quadrant, -x +y */ + + if ( NEG_INT32( dx ) > MUL_INT32( 2, dy ) ) + { + /* -x */ + *x = 0; + *y = MUL_INT32( 2, glyphpath->yOffset ); + } + else if ( dy > MUL_INT32( -2, dx ) ) + { + /* +y */ + *x = glyphpath->xOffset; + *y = glyphpath->yOffset; + } + else + { + /* -x +y */ + *x = FT_MulFix( cf2_doubleToFixed( 0.7 ), + glyphpath->xOffset ); + *y = FT_MulFix( cf2_doubleToFixed( 1.0 + 0.7 ), + glyphpath->yOffset ); + } + } + else + { + /* third quadrant, -x -y */ + + if ( NEG_INT32( dx ) > MUL_INT32( -2, dy ) ) + { + /* -x */ + *x = 0; + *y = MUL_INT32( 2, glyphpath->yOffset ); + } + else if ( NEG_INT32( dy ) > MUL_INT32( -2, dx ) ) + { + /* -y */ + *x = NEG_INT32( glyphpath->xOffset ); + *y = glyphpath->yOffset; + } + else + { + /* -x -y */ + *x = FT_MulFix( cf2_doubleToFixed( -0.7 ), + glyphpath->xOffset ); + *y = FT_MulFix( cf2_doubleToFixed( 1.0 + 0.7 ), + glyphpath->yOffset ); + } + } + } + } + + + /* + * The functions cf2_glyphpath_{moveTo,lineTo,curveTo,closeOpenPath} are + * called by the interpreter with Character Space (CS) coordinates. Each + * path element is placed into a queue of length one to await the + * calculation of the following element. At that time, the darkening + * offset of the following element is known and joins can be computed, + * including possible modification of this element, before mapping to + * Device Space (DS) and passing it on to the outline consumer. + * + */ + FT_LOCAL_DEF( void ) + cf2_glyphpath_moveTo( CF2_GlyphPath glyphpath, + CF2_Fixed x, + CF2_Fixed y ) + { + cf2_glyphpath_closeOpenPath( glyphpath ); + + /* save the parameters of the move for later, when we'll know how to */ + /* offset it; */ + /* also save last move point */ + glyphpath->currentCS.x = glyphpath->start.x = x; + glyphpath->currentCS.y = glyphpath->start.y = y; + + glyphpath->moveIsPending = TRUE; + + /* ensure we have a valid map with current mask */ + if ( !cf2_hintmap_isValid( &glyphpath->hintMap ) || + cf2_hintmask_isNew( glyphpath->hintMask ) ) + cf2_hintmap_build( &glyphpath->hintMap, + glyphpath->hStemHintArray, + glyphpath->vStemHintArray, + glyphpath->hintMask, + glyphpath->hintOriginY, + FALSE ); + + /* save a copy of current HintMap to use when drawing initial point */ + glyphpath->firstHintMap = glyphpath->hintMap; /* structure copy */ + } + + + FT_LOCAL_DEF( void ) + cf2_glyphpath_lineTo( CF2_GlyphPath glyphpath, + CF2_Fixed x, + CF2_Fixed y ) + { + CF2_Fixed xOffset, yOffset; + FT_Vector P0, P1; + FT_Bool newHintMap; + + /* + * New hints will be applied after cf2_glyphpath_pushPrevElem has run. + * In case this is a synthesized closing line, any new hints should be + * delayed until this path is closed (`cf2_hintmask_isNew' will be + * called again before the next line or curve). + */ + + /* true if new hint map not on close */ + newHintMap = cf2_hintmask_isNew( glyphpath->hintMask ) && + !glyphpath->pathIsClosing; + + /* + * Zero-length lines may occur in the charstring. Because we cannot + * compute darkening offsets or intersections from zero-length lines, + * it is best to remove them and avoid artifacts. However, zero-length + * lines in CS at the start of a new hint map can generate non-zero + * lines in DS due to hint substitution. We detect a change in hint + * map here and pass those zero-length lines along. + */ + + /* + * Note: Find explicitly closed paths here with a conditional + * breakpoint using + * + * !gp->pathIsClosing && gp->start.x == x && gp->start.y == y + * + */ + + if ( glyphpath->currentCS.x == x && + glyphpath->currentCS.y == y && + !newHintMap ) + /* + * Ignore zero-length lines in CS where the hint map is the same + * because the line in DS will also be zero length. + * + * Ignore zero-length lines when we synthesize a closing line because + * the close will be handled in cf2_glyphPath_pushPrevElem. + */ + return; + + cf2_glyphpath_computeOffset( glyphpath, + glyphpath->currentCS.x, + glyphpath->currentCS.y, + x, + y, + &xOffset, + &yOffset ); + + /* construct offset points */ + P0.x = ADD_INT32( glyphpath->currentCS.x, xOffset ); + P0.y = ADD_INT32( glyphpath->currentCS.y, yOffset ); + P1.x = ADD_INT32( x, xOffset ); + P1.y = ADD_INT32( y, yOffset ); + + if ( glyphpath->moveIsPending ) + { + /* emit offset 1st point as MoveTo */ + cf2_glyphpath_pushMove( glyphpath, P0 ); + + glyphpath->moveIsPending = FALSE; /* adjust state machine */ + glyphpath->pathIsOpen = TRUE; + + glyphpath->offsetStart1 = P1; /* record second point */ + } + + if ( glyphpath->elemIsQueued ) + { + FT_ASSERT( cf2_hintmap_isValid( &glyphpath->hintMap ) || + glyphpath->hintMap.count == 0 ); + + cf2_glyphpath_pushPrevElem( glyphpath, + &glyphpath->hintMap, + &P0, + P1, + FALSE ); + } + + /* queue the current element with offset points */ + glyphpath->elemIsQueued = TRUE; + glyphpath->prevElemOp = CF2_PathOpLineTo; + glyphpath->prevElemP0 = P0; + glyphpath->prevElemP1 = P1; + + /* update current map */ + if ( newHintMap ) + cf2_hintmap_build( &glyphpath->hintMap, + glyphpath->hStemHintArray, + glyphpath->vStemHintArray, + glyphpath->hintMask, + glyphpath->hintOriginY, + FALSE ); + + glyphpath->currentCS.x = x; /* pre-offset current point */ + glyphpath->currentCS.y = y; + } + + + FT_LOCAL_DEF( void ) + cf2_glyphpath_curveTo( CF2_GlyphPath glyphpath, + CF2_Fixed x1, + CF2_Fixed y1, + CF2_Fixed x2, + CF2_Fixed y2, + CF2_Fixed x3, + CF2_Fixed y3 ) + { + CF2_Fixed xOffset1, yOffset1, xOffset3, yOffset3; + FT_Vector P0, P1, P2, P3; + + + /* TODO: ignore zero length portions of curve?? */ + cf2_glyphpath_computeOffset( glyphpath, + glyphpath->currentCS.x, + glyphpath->currentCS.y, + x1, + y1, + &xOffset1, + &yOffset1 ); + cf2_glyphpath_computeOffset( glyphpath, + x2, + y2, + x3, + y3, + &xOffset3, + &yOffset3 ); + + /* add momentum from the middle segment */ + glyphpath->callbacks->windingMomentum = + ADD_INT32( glyphpath->callbacks->windingMomentum, + cf2_getWindingMomentum( x1, y1, x2, y2 ) ); + + /* construct offset points */ + P0.x = ADD_INT32( glyphpath->currentCS.x, xOffset1 ); + P0.y = ADD_INT32( glyphpath->currentCS.y, yOffset1 ); + P1.x = ADD_INT32( x1, xOffset1 ); + P1.y = ADD_INT32( y1, yOffset1 ); + /* note: preserve angle of final segment by using offset3 at both ends */ + P2.x = ADD_INT32( x2, xOffset3 ); + P2.y = ADD_INT32( y2, yOffset3 ); + P3.x = ADD_INT32( x3, xOffset3 ); + P3.y = ADD_INT32( y3, yOffset3 ); + + if ( glyphpath->moveIsPending ) + { + /* emit offset 1st point as MoveTo */ + cf2_glyphpath_pushMove( glyphpath, P0 ); + + glyphpath->moveIsPending = FALSE; + glyphpath->pathIsOpen = TRUE; + + glyphpath->offsetStart1 = P1; /* record second point */ + } + + if ( glyphpath->elemIsQueued ) + { + FT_ASSERT( cf2_hintmap_isValid( &glyphpath->hintMap ) || + glyphpath->hintMap.count == 0 ); + + cf2_glyphpath_pushPrevElem( glyphpath, + &glyphpath->hintMap, + &P0, + P1, + FALSE ); + } + + /* queue the current element with offset points */ + glyphpath->elemIsQueued = TRUE; + glyphpath->prevElemOp = CF2_PathOpCubeTo; + glyphpath->prevElemP0 = P0; + glyphpath->prevElemP1 = P1; + glyphpath->prevElemP2 = P2; + glyphpath->prevElemP3 = P3; + + /* update current map */ + if ( cf2_hintmask_isNew( glyphpath->hintMask ) ) + cf2_hintmap_build( &glyphpath->hintMap, + glyphpath->hStemHintArray, + glyphpath->vStemHintArray, + glyphpath->hintMask, + glyphpath->hintOriginY, + FALSE ); + + glyphpath->currentCS.x = x3; /* pre-offset current point */ + glyphpath->currentCS.y = y3; + } + + + FT_LOCAL_DEF( void ) + cf2_glyphpath_closeOpenPath( CF2_GlyphPath glyphpath ) + { + if ( glyphpath->pathIsOpen ) + { + /* + * A closing line in Character Space line is always generated below + * with `cf2_glyphPath_lineTo'. It may be ignored later if it turns + * out to be zero length in Device Space. + */ + glyphpath->pathIsClosing = TRUE; + + cf2_glyphpath_lineTo( glyphpath, + glyphpath->start.x, + glyphpath->start.y ); + + /* empty the final element from the queue and close the path */ + if ( glyphpath->elemIsQueued ) + cf2_glyphpath_pushPrevElem( glyphpath, + &glyphpath->hintMap, + &glyphpath->offsetStart0, + glyphpath->offsetStart1, + TRUE ); + + /* reset state machine */ + glyphpath->moveIsPending = TRUE; + glyphpath->pathIsOpen = FALSE; + glyphpath->pathIsClosing = FALSE; + glyphpath->elemIsQueued = FALSE; + } + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pshints.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pshints.h new file mode 100644 index 00000000000..92e37e98aef --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pshints.h @@ -0,0 +1,288 @@ +/***************************************************************************/ +/* */ +/* pshints.h */ +/* */ +/* Adobe's code for handling CFF hints (body). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSHINT_H_ +#define PSHINT_H_ + +FT_BEGIN_HEADER + + + enum + { + CF2_MAX_HINTS = 96 /* maximum # of hints */ + }; + + + /* + * A HintMask object stores a bit mask that specifies which hints in the + * charstring are active at a given time. Hints in CFF must be declared + * at the start, before any drawing operators, with horizontal hints + * preceding vertical hints. The HintMask is ordered the same way, with + * horizontal hints immediately followed by vertical hints. Clients are + * responsible for knowing how many of each type are present. + * + * The maximum total number of hints is 96, as specified by the CFF + * specification. + * + * A HintMask is built 0 or more times while interpreting a charstring, by + * the HintMask operator. There is only one HintMask, but it is built or + * rebuilt each time there is a hint substitution (HintMask operator) in + * the charstring. A default HintMask with all bits set is built if there + * has been no HintMask operator prior to the first drawing operator. + * + */ + + typedef struct CF2_HintMaskRec_ + { + FT_Error* error; + + FT_Bool isValid; + FT_Bool isNew; + + size_t bitCount; + size_t byteCount; + + FT_Byte mask[( CF2_MAX_HINTS + 7 ) / 8]; + + } CF2_HintMaskRec, *CF2_HintMask; + + + typedef struct CF2_StemHintRec_ + { + FT_Bool used; /* DS positions are valid */ + + CF2_Fixed min; /* original character space value */ + CF2_Fixed max; + + CF2_Fixed minDS; /* DS position after first use */ + CF2_Fixed maxDS; + + } CF2_StemHintRec, *CF2_StemHint; + + + /* + * A HintMap object stores a piecewise linear function for mapping + * y-coordinates from character space to device space, providing + * appropriate pixel alignment to stem edges. + * + * The map is implemented as an array of `CF2_Hint' elements, each + * representing an edge. When edges are paired, as from stem hints, the + * bottom edge must immediately precede the top edge in the array. + * Element character space AND device space positions must both increase + * monotonically in the array. `CF2_Hint' elements are also used as + * parameters to `cf2_blues_capture'. + * + * The `cf2_hintmap_build' method must be called before any drawing + * operation (beginning with a Move operator) and at each hint + * substitution (HintMask operator). + * + * The `cf2_hintmap_map' method is called to transform y-coordinates at + * each drawing operation (move, line, curve). + * + */ + + /* TODO: make this a CF2_ArrStack and add a deep copy method */ + enum + { + CF2_MAX_HINT_EDGES = CF2_MAX_HINTS * 2 + }; + + + typedef struct CF2_HintMapRec_ + { + CF2_Font font; + + /* initial map based on blue zones */ + struct CF2_HintMapRec_* initialHintMap; + + /* working storage for 2nd pass adjustHints */ + CF2_ArrStack hintMoves; + + FT_Bool isValid; + FT_Bool hinted; + + CF2_Fixed scale; + CF2_UInt count; + + /* start search from this index */ + CF2_UInt lastIndex; + + CF2_HintRec edge[CF2_MAX_HINT_EDGES]; /* 192 */ + + } CF2_HintMapRec, *CF2_HintMap; + + + FT_LOCAL( FT_Bool ) + cf2_hint_isValid( const CF2_Hint hint ); + FT_LOCAL( FT_Bool ) + cf2_hint_isTop( const CF2_Hint hint ); + FT_LOCAL( FT_Bool ) + cf2_hint_isBottom( const CF2_Hint hint ); + FT_LOCAL( void ) + cf2_hint_lock( CF2_Hint hint ); + + + FT_LOCAL( void ) + cf2_hintmap_init( CF2_HintMap hintmap, + CF2_Font font, + CF2_HintMap initialMap, + CF2_ArrStack hintMoves, + CF2_Fixed scale ); + FT_LOCAL( void ) + cf2_hintmap_build( CF2_HintMap hintmap, + CF2_ArrStack hStemHintArray, + CF2_ArrStack vStemHintArray, + CF2_HintMask hintMask, + CF2_Fixed hintOrigin, + FT_Bool initialMap ); + + + /* + * GlyphPath is a wrapper for drawing operations that scales the + * coordinates according to the render matrix and HintMap. It also tracks + * open paths to control ClosePath and to insert MoveTo for broken fonts. + * + */ + typedef struct CF2_GlyphPathRec_ + { + /* TODO: gather some of these into a hinting context */ + + CF2_Font font; /* font instance */ + CF2_OutlineCallbacks callbacks; /* outline consumer */ + + + CF2_HintMapRec hintMap; /* current hint map */ + CF2_HintMapRec firstHintMap; /* saved copy */ + CF2_HintMapRec initialHintMap; /* based on all captured hints */ + + CF2_ArrStackRec hintMoves; /* list of hint moves for 2nd pass */ + + CF2_Fixed scaleX; /* matrix a */ + CF2_Fixed scaleC; /* matrix c */ + CF2_Fixed scaleY; /* matrix d */ + + FT_Vector fractionalTranslation; /* including deviceXScale */ +#if 0 + CF2_Fixed hShift; /* character space horizontal shift */ + /* (for fauxing) */ +#endif + + FT_Bool pathIsOpen; /* true after MoveTo */ + FT_Bool pathIsClosing; /* true when synthesizing closepath line */ + FT_Bool darken; /* true if stem darkening */ + FT_Bool moveIsPending; /* true between MoveTo and offset MoveTo */ + + /* references used to call `cf2_hintmap_build', if necessary */ + CF2_ArrStack hStemHintArray; + CF2_ArrStack vStemHintArray; + CF2_HintMask hintMask; /* ptr to the current mask */ + CF2_Fixed hintOriginY; /* copy of current origin */ + const CF2_BluesRec* blues; + + CF2_Fixed xOffset; /* character space offsets */ + CF2_Fixed yOffset; + + /* character space miter limit threshold */ + CF2_Fixed miterLimit; + /* vertical/horizontal snap distance in character space */ + CF2_Fixed snapThreshold; + + FT_Vector offsetStart0; /* first and second points of first */ + FT_Vector offsetStart1; /* element with offset applied */ + + /* current point, character space, before offset */ + FT_Vector currentCS; + /* current point, device space */ + FT_Vector currentDS; + /* start point of subpath, character space */ + FT_Vector start; + + /* the following members constitute the `queue' of one element */ + FT_Bool elemIsQueued; + CF2_Int prevElemOp; + + FT_Vector prevElemP0; + FT_Vector prevElemP1; + FT_Vector prevElemP2; + FT_Vector prevElemP3; + + } CF2_GlyphPathRec, *CF2_GlyphPath; + + + FT_LOCAL( void ) + cf2_glyphpath_init( CF2_GlyphPath glyphpath, + CF2_Font font, + CF2_OutlineCallbacks callbacks, + CF2_Fixed scaleY, + /* CF2_Fixed hShift, */ + CF2_ArrStack hStemHintArray, + CF2_ArrStack vStemHintArray, + CF2_HintMask hintMask, + CF2_Fixed hintOrigin, + const CF2_Blues blues, + const FT_Vector* fractionalTranslation ); + FT_LOCAL( void ) + cf2_glyphpath_finalize( CF2_GlyphPath glyphpath ); + + FT_LOCAL( void ) + cf2_glyphpath_moveTo( CF2_GlyphPath glyphpath, + CF2_Fixed x, + CF2_Fixed y ); + FT_LOCAL( void ) + cf2_glyphpath_lineTo( CF2_GlyphPath glyphpath, + CF2_Fixed x, + CF2_Fixed y ); + FT_LOCAL( void ) + cf2_glyphpath_curveTo( CF2_GlyphPath glyphpath, + CF2_Fixed x1, + CF2_Fixed y1, + CF2_Fixed x2, + CF2_Fixed y2, + CF2_Fixed x3, + CF2_Fixed y3 ); + FT_LOCAL( void ) + cf2_glyphpath_closeOpenPath( CF2_GlyphPath glyphpath ); + + +FT_END_HEADER + + +#endif /* PSHINT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psintrp.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psintrp.c new file mode 100644 index 00000000000..5c0ee784924 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psintrp.c @@ -0,0 +1,3038 @@ +/***************************************************************************/ +/* */ +/* psintrp.c */ +/* */ +/* Adobe's CFF Interpreter (body). */ +/* */ +/* Copyright 2007-2014 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#include "psft.h" +#include FT_INTERNAL_DEBUG_H +#include FT_SERVICE_CFF_TABLE_LOAD_H + +#include "psglue.h" +#include "psfont.h" +#include "psstack.h" +#include "pshints.h" +#include "psintrp.h" + +#include "pserror.h" + +#include "psobjs.h" /* for cff_random */ +#include "t1decode.h" /* for t1 seac */ + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_cf2interp + + + FT_LOCAL_DEF( void ) + cf2_hintmask_init( CF2_HintMask hintmask, + FT_Error* error ) + { + FT_ZERO( hintmask ); + + hintmask->error = error; + } + + + FT_LOCAL_DEF( FT_Bool ) + cf2_hintmask_isValid( const CF2_HintMask hintmask ) + { + return hintmask->isValid; + } + + + FT_LOCAL_DEF( FT_Bool ) + cf2_hintmask_isNew( const CF2_HintMask hintmask ) + { + return hintmask->isNew; + } + + + FT_LOCAL_DEF( void ) + cf2_hintmask_setNew( CF2_HintMask hintmask, + FT_Bool val ) + { + hintmask->isNew = val; + } + + + /* clients call `getMaskPtr' in order to iterate */ + /* through hint mask */ + + FT_LOCAL_DEF( FT_Byte* ) + cf2_hintmask_getMaskPtr( CF2_HintMask hintmask ) + { + return hintmask->mask; + } + + + static size_t + cf2_hintmask_setCounts( CF2_HintMask hintmask, + size_t bitCount ) + { + if ( bitCount > CF2_MAX_HINTS ) + { + /* total of h and v stems must be <= 96 */ + CF2_SET_ERROR( hintmask->error, Invalid_Glyph_Format ); + return 0; + } + + hintmask->bitCount = bitCount; + hintmask->byteCount = ( hintmask->bitCount + 7 ) / 8; + + hintmask->isValid = TRUE; + hintmask->isNew = TRUE; + + return bitCount; + } + + + /* consume the hintmask bytes from the charstring, advancing the src */ + /* pointer */ + static void + cf2_hintmask_read( CF2_HintMask hintmask, + CF2_Buffer charstring, + size_t bitCount ) + { + size_t i; + +#ifndef CF2_NDEBUG + /* these are the bits in the final mask byte that should be zero */ + /* Note: this variable is only used in an assert expression below */ + /* and then only if CF2_NDEBUG is not defined */ + CF2_UInt mask = ( 1 << ( -(CF2_Int)bitCount & 7 ) ) - 1; +#endif + + + /* initialize counts and isValid */ + if ( cf2_hintmask_setCounts( hintmask, bitCount ) == 0 ) + return; + + FT_ASSERT( hintmask->byteCount > 0 ); + + FT_TRACE4(( " (maskbytes:" )); + + /* set mask and advance interpreter's charstring pointer */ + for ( i = 0; i < hintmask->byteCount; i++ ) + { + hintmask->mask[i] = (FT_Byte)cf2_buf_readByte( charstring ); + FT_TRACE4(( " 0x%02X", hintmask->mask[i] )); + } + + FT_TRACE4(( ")\n" )); + + /* assert any unused bits in last byte are zero unless there's a prior */ + /* error */ + /* bitCount -> mask, 0 -> 0, 1 -> 7f, 2 -> 3f, ... 6 -> 3, 7 -> 1 */ +#ifndef CF2_NDEBUG + FT_ASSERT( ( hintmask->mask[hintmask->byteCount - 1] & mask ) == 0 || + *hintmask->error ); +#endif + } + + + FT_LOCAL_DEF( void ) + cf2_hintmask_setAll( CF2_HintMask hintmask, + size_t bitCount ) + { + size_t i; + CF2_UInt mask = ( 1 << ( -(CF2_Int)bitCount & 7 ) ) - 1; + + + /* initialize counts and isValid */ + if ( cf2_hintmask_setCounts( hintmask, bitCount ) == 0 ) + return; + + FT_ASSERT( hintmask->byteCount > 0 ); + FT_ASSERT( hintmask->byteCount <= + sizeof ( hintmask->mask ) / sizeof ( hintmask->mask[0] ) ); + + /* set mask to all ones */ + for ( i = 0; i < hintmask->byteCount; i++ ) + hintmask->mask[i] = 0xFF; + + /* clear unused bits */ + /* bitCount -> mask, 0 -> 0, 1 -> 7f, 2 -> 3f, ... 6 -> 3, 7 -> 1 */ + hintmask->mask[hintmask->byteCount - 1] &= ~mask; + } + + + /* Type2 charstring opcodes */ + enum + { + cf2_cmdRESERVED_0, /* 0 */ + cf2_cmdHSTEM, /* 1 */ + cf2_cmdRESERVED_2, /* 2 */ + cf2_cmdVSTEM, /* 3 */ + cf2_cmdVMOVETO, /* 4 */ + cf2_cmdRLINETO, /* 5 */ + cf2_cmdHLINETO, /* 6 */ + cf2_cmdVLINETO, /* 7 */ + cf2_cmdRRCURVETO, /* 8 */ + cf2_cmdCLOSEPATH, /* 9 T1 only */ + cf2_cmdCALLSUBR, /* 10 */ + cf2_cmdRETURN, /* 11 */ + cf2_cmdESC, /* 12 */ + cf2_cmdHSBW, /* 13 T1 only */ + cf2_cmdENDCHAR, /* 14 */ + cf2_cmdVSINDEX, /* 15 */ + cf2_cmdBLEND, /* 16 */ + cf2_cmdRESERVED_17, /* 17 */ + cf2_cmdHSTEMHM, /* 18 */ + cf2_cmdHINTMASK, /* 19 */ + cf2_cmdCNTRMASK, /* 20 */ + cf2_cmdRMOVETO, /* 21 */ + cf2_cmdHMOVETO, /* 22 */ + cf2_cmdVSTEMHM, /* 23 */ + cf2_cmdRCURVELINE, /* 24 */ + cf2_cmdRLINECURVE, /* 25 */ + cf2_cmdVVCURVETO, /* 26 */ + cf2_cmdHHCURVETO, /* 27 */ + cf2_cmdEXTENDEDNMBR, /* 28 */ + cf2_cmdCALLGSUBR, /* 29 */ + cf2_cmdVHCURVETO, /* 30 */ + cf2_cmdHVCURVETO /* 31 */ + }; + + enum + { + cf2_escDOTSECTION, /* 0 */ + cf2_escVSTEM3, /* 1 T1 only */ + cf2_escHSTEM3, /* 2 T1 only */ + cf2_escAND, /* 3 */ + cf2_escOR, /* 4 */ + cf2_escNOT, /* 5 */ + cf2_escSEAC, /* 6 T1 only */ + cf2_escSBW, /* 7 T1 only */ + cf2_escRESERVED_8, /* 8 */ + cf2_escABS, /* 9 */ + cf2_escADD, /* 10 like otherADD */ + cf2_escSUB, /* 11 like otherSUB */ + cf2_escDIV, /* 12 */ + cf2_escRESERVED_13, /* 13 */ + cf2_escNEG, /* 14 */ + cf2_escEQ, /* 15 */ + cf2_escCALLOTHERSUBR,/* 16 T1 only */ + cf2_escPOP, /* 17 T1 only */ + cf2_escDROP, /* 18 */ + cf2_escRESERVED_19, /* 19 */ + cf2_escPUT, /* 20 like otherPUT */ + cf2_escGET, /* 21 like otherGET */ + cf2_escIFELSE, /* 22 like otherIFELSE */ + cf2_escRANDOM, /* 23 like otherRANDOM */ + cf2_escMUL, /* 24 like otherMUL */ + cf2_escRESERVED_25, /* 25 */ + cf2_escSQRT, /* 26 */ + cf2_escDUP, /* 27 like otherDUP */ + cf2_escEXCH, /* 28 like otherEXCH */ + cf2_escINDEX, /* 29 */ + cf2_escROLL, /* 30 */ + cf2_escRESERVED_31, /* 31 */ + cf2_escRESERVED_32, /* 32 */ + cf2_escSETCURRENTPT, /* 33 T1 only */ + cf2_escHFLEX, /* 34 */ + cf2_escFLEX, /* 35 */ + cf2_escHFLEX1, /* 36 */ + cf2_escFLEX1, /* 37 */ + cf2_escRESERVED_38 /* 38 & all higher */ + }; + + + /* `stemHintArray' does not change once we start drawing the outline. */ + static void + cf2_doStems( const CF2_Font font, + CF2_Stack opStack, + CF2_ArrStack stemHintArray, + CF2_Fixed* width, + FT_Bool* haveWidth, + CF2_Fixed hintOffset ) + { + CF2_UInt i; + CF2_UInt count = cf2_stack_count( opStack ); + FT_Bool hasWidthArg = (FT_Bool)( count & 1 ); + + /* variable accumulates delta values from operand stack */ + CF2_Fixed position = hintOffset; + + if ( font->isT1 && !font->decoder->flex_state && !*haveWidth ) + FT_ERROR(( "cf2_doStems (Type 1 mode):" + " No width. Use hsbw/sbw as first op\n" )); + + if ( !font->isT1 && hasWidthArg && !*haveWidth ) + *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ), + cf2_getNominalWidthX( font->decoder ) ); + + if ( font->decoder->width_only ) + goto exit; + + for ( i = hasWidthArg ? 1 : 0; i < count; i += 2 ) + { + /* construct a CF2_StemHint and push it onto the list */ + CF2_StemHintRec stemhint; + + + stemhint.min = + position = ADD_INT32( position, + cf2_stack_getReal( opStack, i ) ); + stemhint.max = + position = ADD_INT32( position, + cf2_stack_getReal( opStack, i + 1 ) ); + + stemhint.used = FALSE; + stemhint.maxDS = + stemhint.minDS = 0; + + cf2_arrstack_push( stemHintArray, &stemhint ); /* defer error check */ + } + + cf2_stack_clear( opStack ); + + exit: + /* cf2_doStems must define a width (may be default) */ + *haveWidth = TRUE; + } + + + static void + cf2_doFlex( CF2_Stack opStack, + CF2_Fixed* curX, + CF2_Fixed* curY, + CF2_GlyphPath glyphPath, + const FT_Bool* readFromStack, + FT_Bool doConditionalLastRead ) + { + CF2_Fixed vals[14]; + CF2_UInt idx; + FT_Bool isHFlex; + CF2_Int top, i, j; + + + vals[0] = *curX; + vals[1] = *curY; + idx = 0; + isHFlex = FT_BOOL( readFromStack[9] == FALSE ); + top = isHFlex ? 9 : 10; + + for ( i = 0; i < top; i++ ) + { + vals[i + 2] = vals[i]; + if ( readFromStack[i] ) + vals[i + 2] = ADD_INT32( vals[i + 2], cf2_stack_getReal( opStack, + idx++ ) ); + } + + if ( isHFlex ) + vals[9 + 2] = *curY; + + if ( doConditionalLastRead ) + { + FT_Bool lastIsX = (FT_Bool)( + cf2_fixedAbs( SUB_INT32( vals[10], *curX ) ) > + cf2_fixedAbs( SUB_INT32( vals[11], *curY ) ) ); + CF2_Fixed lastVal = cf2_stack_getReal( opStack, idx ); + + + if ( lastIsX ) + { + vals[12] = ADD_INT32( vals[10], lastVal ); + vals[13] = *curY; + } + else + { + vals[12] = *curX; + vals[13] = ADD_INT32( vals[11], lastVal ); + } + } + else + { + if ( readFromStack[10] ) + vals[12] = ADD_INT32( vals[10], + cf2_stack_getReal( opStack, idx++ ) ); + else + vals[12] = *curX; + + if ( readFromStack[11] ) + vals[13] = ADD_INT32( vals[11], + cf2_stack_getReal( opStack, idx ) ); + else + vals[13] = *curY; + } + + for ( j = 0; j < 2; j++ ) + cf2_glyphpath_curveTo( glyphPath, vals[j * 6 + 2], + vals[j * 6 + 3], + vals[j * 6 + 4], + vals[j * 6 + 5], + vals[j * 6 + 6], + vals[j * 6 + 7] ); + + cf2_stack_clear( opStack ); + + *curX = vals[12]; + *curY = vals[13]; + } + + + /* Blend numOperands on the stack, */ + /* store results into the first numBlends values, */ + /* then pop remaining arguments. */ + static void + cf2_doBlend( const CFF_Blend blend, + CF2_Stack opStack, + CF2_UInt numBlends ) + { + CF2_UInt delta; + CF2_UInt base; + CF2_UInt i, j; + CF2_UInt numOperands = (CF2_UInt)( numBlends * blend->lenBV ); + + + base = cf2_stack_count( opStack ) - numOperands; + delta = base + numBlends; + + for ( i = 0; i < numBlends; i++ ) + { + const CF2_Fixed* weight = &blend->BV[1]; + + /* start with first term */ + CF2_Fixed sum = cf2_stack_getReal( opStack, i + base ); + + + for ( j = 1; j < blend->lenBV; j++ ) + sum = ADD_INT32( sum, + FT_MulFix( *weight++, + cf2_stack_getReal( opStack, + delta++ ) ) ); + + /* store blended result */ + cf2_stack_setReal( opStack, i + base, sum ); + } + + /* leave only `numBlends' results on stack */ + cf2_stack_pop( opStack, numOperands - numBlends ); + } + + + /* + * `error' is a shared error code used by many objects in this + * routine. Before the code continues from an error, it must check and + * record the error in `*error'. The idea is that this shared + * error code will record the first error encountered. If testing + * for an error anyway, the cost of `goto exit' is small, so we do it, + * even if continuing would be safe. In this case, `lastError' is + * set, so the testing and storing can be done in one place, at `exit'. + * + * Continuing after an error is intended for objects which do their own + * testing of `*error', e.g., array stack functions. This allows us to + * avoid an extra test after the call. + * + * Unimplemented opcodes are ignored. + * + */ + FT_LOCAL_DEF( void ) + cf2_interpT2CharString( CF2_Font font, + CF2_Buffer buf, + CF2_OutlineCallbacks callbacks, + const FT_Vector* translation, + FT_Bool doingSeac, + CF2_Fixed curX, + CF2_Fixed curY, + CF2_Fixed* width ) + { + /* lastError is used for errors that are immediately tested */ + FT_Error lastError = FT_Err_Ok; + + /* pointer to parsed font object */ + PS_Decoder* decoder = font->decoder; + + FT_Error* error = &font->error; + FT_Memory memory = font->memory; + + CF2_Fixed scaleY = font->innerTransform.d; + CF2_Fixed nominalWidthX = cf2_getNominalWidthX( decoder ); + + /* stuff for Type 1 */ + FT_Int known_othersubr_result_cnt = 0; + FT_Bool large_int = FALSE; + FT_Bool initial_map_ready = FALSE; + +#define PS_STORAGE_SIZE 3 + CF2_F16Dot16 results[PS_STORAGE_SIZE]; /* for othersubr results */ + FT_Int result_cnt = 0; + + /* save this for hinting seac accents */ + CF2_Fixed hintOriginY = curY; + + CF2_Stack opStack = NULL; + FT_UInt stackSize; + FT_Byte op1; /* first opcode byte */ + + CF2_F16Dot16 storage[CF2_STORAGE_SIZE]; /* for `put' and `get' */ + CF2_F16Dot16 flexStore[6]; /* for Type 1 flex */ + + /* instruction limit; 20,000,000 matches Avalon */ + FT_UInt32 instructionLimit = 20000000UL; + + CF2_ArrStackRec subrStack; + + FT_Bool haveWidth; + CF2_Buffer charstring = NULL; + + CF2_Int charstringIndex = -1; /* initialize to empty */ + + /* TODO: placeholders for hint structures */ + + /* objects used for hinting */ + CF2_ArrStackRec hStemHintArray; + CF2_ArrStackRec vStemHintArray; + + CF2_HintMaskRec hintMask; + CF2_GlyphPathRec glyphPath; + + + FT_ZERO( &storage ); + FT_ZERO( &results ); + FT_ZERO( &flexStore ); + + /* initialize the remaining objects */ + cf2_arrstack_init( &subrStack, + memory, + error, + sizeof ( CF2_BufferRec ) ); + cf2_arrstack_init( &hStemHintArray, + memory, + error, + sizeof ( CF2_StemHintRec ) ); + cf2_arrstack_init( &vStemHintArray, + memory, + error, + sizeof ( CF2_StemHintRec ) ); + + /* initialize CF2_StemHint arrays */ + cf2_hintmask_init( &hintMask, error ); + + /* initialize path map to manage drawing operations */ + + /* Note: last 4 params are used to handle `MoveToPermissive', which */ + /* may need to call `hintMap.Build' */ + /* TODO: MoveToPermissive is gone; are these still needed? */ + cf2_glyphpath_init( &glyphPath, + font, + callbacks, + scaleY, + /* hShift, */ + &hStemHintArray, + &vStemHintArray, + &hintMask, + hintOriginY, + &font->blues, + translation ); + + /* + * Initialize state for width parsing. From the CFF Spec: + * + * The first stack-clearing operator, which must be one of hstem, + * hstemhm, vstem, vstemhm, cntrmask, hintmask, hmoveto, vmoveto, + * rmoveto, or endchar, takes an additional argument - the width (as + * described earlier), which may be expressed as zero or one numeric + * argument. + * + * What we implement here uses the first validly specified width, but + * does not detect errors for specifying more than one width. + * + * If one of the above operators occurs without explicitly specifying + * a width, we assume the default width. + * + * CFF2 charstrings always return the default width (0). + * + */ + haveWidth = font->isCFF2 ? TRUE : FALSE; + *width = cf2_getDefaultWidthX( decoder ); + + /* + * Note: At this point, all pointers to resources must be NULL + * and all local objects must be initialized. + * There must be no branches to `exit:' above this point. + * + */ + + /* allocate an operand stack */ + stackSize = font->isCFF2 ? cf2_getMaxstack( decoder ) + : CF2_OPERAND_STACK_SIZE; + opStack = cf2_stack_init( memory, error, stackSize ); + + if ( !opStack ) + { + lastError = FT_THROW( Out_Of_Memory ); + goto exit; + } + + /* initialize subroutine stack by placing top level charstring as */ + /* first element (max depth plus one for the charstring) */ + /* Note: Caller owns and must finalize the first charstring. */ + /* Our copy of it does not change that requirement. */ + cf2_arrstack_setCount( &subrStack, CF2_MAX_SUBR + 1 ); + + charstring = (CF2_Buffer)cf2_arrstack_getBuffer( &subrStack ); + *charstring = *buf; /* structure copy */ + + charstringIndex = 0; /* entry is valid now */ + + /* catch errors so far */ + if ( *error ) + goto exit; + + /* main interpreter loop */ + while ( 1 ) + { + if ( font->isT1 ) + FT_ASSERT( known_othersubr_result_cnt == 0 || + result_cnt == 0 ); + + if ( cf2_buf_isEnd( charstring ) ) + { + /* If we've reached the end of the charstring, simulate a */ + /* cf2_cmdRETURN or cf2_cmdENDCHAR. */ + /* We do this for both CFF and CFF2. */ + if ( charstringIndex ) + op1 = cf2_cmdRETURN; /* end of buffer for subroutine */ + else + op1 = cf2_cmdENDCHAR; /* end of buffer for top level charstring */ + } + else + { + op1 = (FT_Byte)cf2_buf_readByte( charstring ); + + /* Explicit RETURN and ENDCHAR in CFF2 should be ignored. */ + /* Note: Trace message will report 0 instead of 11 or 14. */ + if ( ( op1 == cf2_cmdRETURN || op1 == cf2_cmdENDCHAR ) && + font->isCFF2 ) + op1 = cf2_cmdRESERVED_0; + } + + if ( font->isT1 ) + { + if ( !initial_map_ready && + !( op1 == cf2_cmdHSTEM || + op1 == cf2_cmdVSTEM || + op1 == cf2_cmdHSBW || + op1 == cf2_cmdCALLSUBR || + op1 == cf2_cmdRETURN || + op1 == cf2_cmdESC || + op1 == cf2_cmdENDCHAR || + op1 >= 32 /* Numbers */ ) ) + { + /* Skip outline commands first time round. */ + /* `endchar' will trigger initial hintmap build */ + /* and rewind the charstring. */ + cf2_stack_clear( opStack ); + continue; + } + + if ( result_cnt > 0 && + !( op1 == cf2_cmdCALLSUBR || + op1 == cf2_cmdRETURN || + op1 == cf2_cmdESC || + op1 >= 32 /* Numbers */ ) ) + { + /* all operands have been transferred by previous pops */ + result_cnt = 0; + } + + if ( large_int && !( op1 >= 32 || op1 == cf2_escDIV ) ) + { + FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):" + " no `div' after large integer\n" )); + + large_int = FALSE; + } + } + + /* check for errors once per loop */ + if ( *error ) + goto exit; + + instructionLimit--; + if ( instructionLimit == 0 ) + { + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + switch( op1 ) + { + case cf2_cmdRESERVED_0: + case cf2_cmdRESERVED_2: + case cf2_cmdRESERVED_17: + /* we may get here if we have a prior error */ + FT_TRACE4(( " unknown op (%d)\n", op1 )); + break; + + case cf2_cmdVSINDEX: + FT_TRACE4(( " vsindex\n" )); + + if ( !font->isCFF2 ) + break; /* clear stack & ignore */ + + if ( font->blend.usedBV ) + { + /* vsindex not allowed after blend */ + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + { + FT_Int temp = cf2_stack_popInt( opStack ); + + + if ( temp >= 0 ) + font->vsindex = (FT_UInt)temp; + } + break; + + case cf2_cmdBLEND: + { + FT_UInt numBlends; + + + FT_TRACE4(( " blend\n" )); + + if ( !font->isCFF2 ) + break; /* clear stack & ignore */ + + /* do we have a `blend' op in a non-variant font? */ + if ( !font->blend.font ) + { + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + /* check cached blend vector */ + if ( font->cffload->blend_check_vector( &font->blend, + font->vsindex, + font->lenNDV, + font->NDV ) ) + { + lastError = font->cffload->blend_build_vector( &font->blend, + font->vsindex, + font->lenNDV, + font->NDV ); + if ( lastError ) + goto exit; + } + + /* do the blend */ + numBlends = (FT_UInt)cf2_stack_popInt( opStack ); + if ( numBlends > stackSize ) + { + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + cf2_doBlend( &font->blend, opStack, numBlends ); + + font->blend.usedBV = TRUE; + } + continue; /* do not clear the stack */ + + case cf2_cmdHSTEMHM: + case cf2_cmdHSTEM: + FT_TRACE4(( op1 == cf2_cmdHSTEMHM ? " hstemhm\n" : " hstem\n" )); + + if ( !font->isT1 ) + { + /* never add hints after the mask is computed */ + /* except if in Type 1 mode (no hintmask op) */ + if ( cf2_hintmask_isValid( &hintMask ) ) + { + FT_TRACE4(( "cf2_interpT2CharString:" + " invalid horizontal hint mask\n" )); + break; + } + } + + /* add left-sidebearing correction in Type 1 mode */ + cf2_doStems( font, + opStack, + &hStemHintArray, + width, + &haveWidth, + font->isT1 ? decoder->builder.left_bearing->y + : 0 ); + + if ( decoder->width_only ) + goto exit; + + break; + + case cf2_cmdVSTEMHM: + case cf2_cmdVSTEM: + FT_TRACE4(( op1 == cf2_cmdVSTEMHM ? " vstemhm\n" : " vstem\n" )); + + if ( !font->isT1 ) + { + /* never add hints after the mask is computed */ + /* except if in Type 1 mode (no hintmask op) */ + if ( cf2_hintmask_isValid( &hintMask ) ) + { + FT_TRACE4(( "cf2_interpT2CharString:" + " invalid vertical hint mask\n" )); + break; + } + } + + /* add left-sidebearing correction in Type 1 mode */ + cf2_doStems( font, + opStack, + &vStemHintArray, + width, + &haveWidth, + font->isT1 ? decoder->builder.left_bearing->x + : 0 ); + + if ( decoder->width_only ) + goto exit; + + break; + + case cf2_cmdVMOVETO: + FT_TRACE4(( " vmoveto\n" )); + + if ( font->isT1 && !decoder->flex_state && !haveWidth ) + FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):" + " No width. Use hsbw/sbw as first op\n" )); + + if ( cf2_stack_count( opStack ) > 1 && !haveWidth ) + *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ), + nominalWidthX ); + + /* width is defined or default after this */ + haveWidth = TRUE; + + if ( decoder->width_only ) + goto exit; + + curY = ADD_INT32( curY, cf2_stack_popFixed( opStack ) ); + + cf2_glyphpath_moveTo( &glyphPath, curX, curY ); + + break; + + case cf2_cmdRLINETO: + { + CF2_UInt idx; + CF2_UInt count = cf2_stack_count( opStack ); + + + FT_TRACE4(( " rlineto\n" )); + + for ( idx = 0; idx < count; idx += 2 ) + { + curX = ADD_INT32( curX, cf2_stack_getReal( opStack, + idx + 0 ) ); + curY = ADD_INT32( curY, cf2_stack_getReal( opStack, + idx + 1 ) ); + + cf2_glyphpath_lineTo( &glyphPath, curX, curY ); + } + + cf2_stack_clear( opStack ); + } + continue; /* no need to clear stack again */ + + case cf2_cmdHLINETO: + case cf2_cmdVLINETO: + { + CF2_UInt idx; + CF2_UInt count = cf2_stack_count( opStack ); + + FT_Bool isX = FT_BOOL( op1 == cf2_cmdHLINETO ); + + + FT_TRACE4(( isX ? " hlineto\n" : " vlineto\n" )); + + for ( idx = 0; idx < count; idx++ ) + { + CF2_Fixed v = cf2_stack_getReal( opStack, idx ); + + + if ( isX ) + curX = ADD_INT32( curX, v ); + else + curY = ADD_INT32( curY, v ); + + isX = !isX; + + cf2_glyphpath_lineTo( &glyphPath, curX, curY ); + } + + cf2_stack_clear( opStack ); + } + continue; + + case cf2_cmdRCURVELINE: + case cf2_cmdRRCURVETO: + { + CF2_UInt count = cf2_stack_count( opStack ); + CF2_UInt idx = 0; + + + FT_TRACE4(( op1 == cf2_cmdRCURVELINE ? " rcurveline\n" + : " rrcurveto\n" )); + + while ( idx + 6 <= count ) + { + CF2_Fixed x1, y1, x2, y2, x3, y3; + + + x1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curX ); + y1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), curY ); + x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), x1 ); + y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), y1 ); + x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 4 ), x2 ); + y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 5 ), y2 ); + + cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); + + curX = x3; + curY = y3; + idx += 6; + } + + if ( op1 == cf2_cmdRCURVELINE ) + { + curX = ADD_INT32( curX, cf2_stack_getReal( opStack, + idx + 0 ) ); + curY = ADD_INT32( curY, cf2_stack_getReal( opStack, + idx + 1 ) ); + + cf2_glyphpath_lineTo( &glyphPath, curX, curY ); + } + + cf2_stack_clear( opStack ); + } + continue; /* no need to clear stack again */ + + case cf2_cmdCLOSEPATH: + if ( !font->isT1 ) + FT_TRACE4(( " unknown op (%d)\n", op1 )); + else + { + FT_TRACE4(( " closepath" )); + + /* if there is no path, `closepath' is a no-op */ + ps_builder_close_contour( &decoder->builder ); + + haveWidth = TRUE; + } + break; + + case cf2_cmdCALLGSUBR: + case cf2_cmdCALLSUBR: + { + CF2_Int subrNum; + + + FT_TRACE4(( op1 == cf2_cmdCALLGSUBR ? " callgsubr" + : " callsubr" )); + + if ( ( !font->isT1 && charstringIndex > CF2_MAX_SUBR ) || + ( font->isT1 && charstringIndex > T1_MAX_SUBRS_CALLS ) ) + { + /* max subr plus one for charstring */ + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; /* overflow of stack */ + } + + /* push our current CFF charstring region on subrStack */ + charstring = (CF2_Buffer) + cf2_arrstack_getPointer( + &subrStack, + (size_t)charstringIndex + 1 ); + + /* set up the new CFF region and pointer */ + subrNum = cf2_stack_popInt( opStack ); + + if ( font->isT1 && decoder->locals_hash ) + { + size_t* val = ft_hash_num_lookup( subrNum, + decoder->locals_hash ); + + + if ( val ) + subrNum = *val; + else + subrNum = -1; + } + + switch ( op1 ) + { + case cf2_cmdCALLGSUBR: + FT_TRACE4(( " (idx %d, entering level %d)\n", + subrNum + decoder->globals_bias, + charstringIndex + 1 )); + + if ( cf2_initGlobalRegionBuffer( decoder, + subrNum, + charstring ) ) + { + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; /* subroutine lookup or stream error */ + } + break; + + default: + /* cf2_cmdCALLSUBR */ + FT_TRACE4(( " (idx %d, entering level %d)\n", + subrNum + decoder->locals_bias, + charstringIndex + 1 )); + + if ( cf2_initLocalRegionBuffer( decoder, + subrNum, + charstring ) ) + { + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; /* subroutine lookup or stream error */ + } + } + + charstringIndex += 1; /* entry is valid now */ + } + continue; /* do not clear the stack */ + + case cf2_cmdRETURN: + FT_TRACE4(( " return (leaving level %d)\n", charstringIndex )); + + if ( charstringIndex < 1 ) + { + /* Note: cannot return from top charstring */ + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; /* underflow of stack */ + } + + /* restore position in previous charstring */ + charstring = (CF2_Buffer) + cf2_arrstack_getPointer( + &subrStack, + (CF2_UInt)--charstringIndex ); + continue; /* do not clear the stack */ + + case cf2_cmdESC: + { + FT_Byte op2 = (FT_Byte)cf2_buf_readByte( charstring ); + + + /* first switch for 2-byte operators handles CFF2 */ + /* and opcodes that are reserved for both CFF and CFF2 */ + switch ( op2 ) + { + case cf2_escHFLEX: + { + static const FT_Bool readFromStack[12] = + { + TRUE /* dx1 */, FALSE /* dy1 */, + TRUE /* dx2 */, TRUE /* dy2 */, + TRUE /* dx3 */, FALSE /* dy3 */, + TRUE /* dx4 */, FALSE /* dy4 */, + TRUE /* dx5 */, FALSE /* dy5 */, + TRUE /* dx6 */, FALSE /* dy6 */ + }; + + + FT_TRACE4(( " hflex\n" )); + + cf2_doFlex( opStack, + &curX, + &curY, + &glyphPath, + readFromStack, + FALSE /* doConditionalLastRead */ ); + } + continue; + + case cf2_escFLEX: + { + static const FT_Bool readFromStack[12] = + { + TRUE /* dx1 */, TRUE /* dy1 */, + TRUE /* dx2 */, TRUE /* dy2 */, + TRUE /* dx3 */, TRUE /* dy3 */, + TRUE /* dx4 */, TRUE /* dy4 */, + TRUE /* dx5 */, TRUE /* dy5 */, + TRUE /* dx6 */, TRUE /* dy6 */ + }; + + + FT_TRACE4(( " flex\n" )); + + cf2_doFlex( opStack, + &curX, + &curY, + &glyphPath, + readFromStack, + FALSE /* doConditionalLastRead */ ); + } + break; /* TODO: why is this not a continue? */ + + case cf2_escHFLEX1: + { + static const FT_Bool readFromStack[12] = + { + TRUE /* dx1 */, TRUE /* dy1 */, + TRUE /* dx2 */, TRUE /* dy2 */, + TRUE /* dx3 */, FALSE /* dy3 */, + TRUE /* dx4 */, FALSE /* dy4 */, + TRUE /* dx5 */, TRUE /* dy5 */, + TRUE /* dx6 */, FALSE /* dy6 */ + }; + + + FT_TRACE4(( " hflex1\n" )); + + cf2_doFlex( opStack, + &curX, + &curY, + &glyphPath, + readFromStack, + FALSE /* doConditionalLastRead */ ); + } + continue; + + case cf2_escFLEX1: + { + static const FT_Bool readFromStack[12] = + { + TRUE /* dx1 */, TRUE /* dy1 */, + TRUE /* dx2 */, TRUE /* dy2 */, + TRUE /* dx3 */, TRUE /* dy3 */, + TRUE /* dx4 */, TRUE /* dy4 */, + TRUE /* dx5 */, TRUE /* dy5 */, + FALSE /* dx6 */, FALSE /* dy6 */ + }; + + + FT_TRACE4(( " flex1\n" )); + + cf2_doFlex( opStack, + &curX, + &curY, + &glyphPath, + readFromStack, + TRUE /* doConditionalLastRead */ ); + } + continue; + + /* these opcodes are always reserved */ + case cf2_escRESERVED_8: + case cf2_escRESERVED_13: + case cf2_escRESERVED_19: + case cf2_escRESERVED_25: + case cf2_escRESERVED_31: + case cf2_escRESERVED_32: + FT_TRACE4(( " unknown op (12, %d)\n", op2 )); + break; + + default: + { + if ( font->isCFF2 || op2 >= cf2_escRESERVED_38 ) + FT_TRACE4(( " unknown op (12, %d)\n", op2 )); + else if ( font->isT1 && result_cnt > 0 && op2 != cf2_escPOP ) + { + /* all operands have been transferred by previous pops */ + result_cnt = 0; + } + else + { + /* second switch for 2-byte operators handles */ + /* CFF and Type 1 */ + switch ( op2 ) + { + + case cf2_escDOTSECTION: + /* something about `flip type of locking' -- ignore it */ + FT_TRACE4(( " dotsection\n" )); + + break; + + case cf2_escVSTEM3: + case cf2_escHSTEM3: + /* + * Type 1: Type 2: + * x0 dx0 x1 dx1 x2 dx2 vstem3 x dx {dxa dxb}* vstem + * y0 dy0 y1 dy1 y2 dy2 hstem3 y dy {dya dyb}* hstem + * relative to lsb point relative to zero + * + */ + { + if ( !font->isT1 ) + FT_TRACE4(( " unknown op (12, %d)\n", op2 )); + else + { + CF2_F16Dot16 v0, v1, v2; + + FT_Bool isV = FT_BOOL( op2 == cf2_escVSTEM3 ); + + + FT_TRACE4(( isV ? " vstem3\n" + : " hstem3\n" )); + + FT_ASSERT( cf2_stack_count( opStack ) == 6 ); + + v0 = cf2_stack_getReal( opStack, 0 ); + v1 = cf2_stack_getReal( opStack, 2 ); + v2 = cf2_stack_getReal( opStack, 4 ); + + cf2_stack_setReal( + opStack, 2, + SUB_INT32( SUB_INT32( v1, v0 ), + cf2_stack_getReal( opStack, 1 ) ) ); + cf2_stack_setReal( + opStack, 4, + SUB_INT32( SUB_INT32( v2, v1 ), + cf2_stack_getReal( opStack, 3 ) ) ); + + /* add left-sidebearing correction */ + cf2_doStems( font, + opStack, + isV ? &vStemHintArray : &hStemHintArray, + width, + &haveWidth, + isV ? decoder->builder.left_bearing->x + : decoder->builder.left_bearing->y ); + + if ( decoder->width_only ) + goto exit; + } + } + break; + + case cf2_escAND: + { + CF2_F16Dot16 arg1; + CF2_F16Dot16 arg2; + + + FT_TRACE4(( " and\n" )); + + arg2 = cf2_stack_popFixed( opStack ); + arg1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushInt( opStack, arg1 && arg2 ); + } + continue; /* do not clear the stack */ + + case cf2_escOR: + { + CF2_F16Dot16 arg1; + CF2_F16Dot16 arg2; + + + FT_TRACE4(( " or\n" )); + + arg2 = cf2_stack_popFixed( opStack ); + arg1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushInt( opStack, arg1 || arg2 ); + } + continue; /* do not clear the stack */ + + case cf2_escNOT: + { + CF2_F16Dot16 arg; + + + FT_TRACE4(( " not\n" )); + + arg = cf2_stack_popFixed( opStack ); + + cf2_stack_pushInt( opStack, !arg ); + } + continue; /* do not clear the stack */ + + case cf2_escSEAC: + if ( !font->isT1 ) + FT_TRACE4(( " unknown op (12, %d)\n", op2 )); + else + { + FT_Error error2; + CF2_Int bchar_index, achar_index; + FT_Vector left_bearing, advance; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + T1_Face face = (T1_Face)decoder->builder.face; +#endif + CF2_BufferRec component; + CF2_Fixed dummyWidth; + + CF2_Int achar = cf2_stack_popInt( opStack ); + CF2_Int bchar = cf2_stack_popInt( opStack ); + + FT_Pos ady = cf2_stack_popFixed ( opStack ); + FT_Pos adx = cf2_stack_popFixed ( opStack ); + FT_Pos asb = cf2_stack_popFixed ( opStack ); + + + FT_TRACE4(( " seac\n" )); + + if ( doingSeac ) + { + FT_ERROR(( " nested seac\n" )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; /* nested seac */ + } + + if ( decoder->builder.metrics_only ) + { + FT_ERROR(( " unexpected seac\n" )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; /* unexpected seac */ + } + + /* `glyph_names' is set to 0 for CID fonts which do */ + /* not include an encoding. How can we deal with */ + /* these? */ +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( decoder->glyph_names == 0 && + !face->root.internal->incremental_interface ) +#else + if ( decoder->glyph_names == 0 ) +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + { + FT_ERROR(( + "cf2_interpT2CharString: (Type 1 seac)" + " glyph names table not available in this font\n" )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + /* seac weirdness */ + adx += decoder->builder.left_bearing->x; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( face->root.internal->incremental_interface ) + { + /* the caller must handle the font encoding also */ + bchar_index = bchar; + achar_index = achar; + } + else +#endif + { + bchar_index = t1_lookup_glyph_by_stdcharcode_ps( + decoder, bchar ); + achar_index = t1_lookup_glyph_by_stdcharcode_ps( + decoder, achar ); + } + + if ( bchar_index < 0 || achar_index < 0 ) + { + FT_ERROR(( + "cf2_interpT2CharString: (Type 1 seac)" + " invalid seac character code arguments\n" )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + /* if we are trying to load a composite glyph, */ + /* do not load the accent character and return */ + /* the array of subglyphs. */ + if ( decoder->builder.no_recurse ) + { + FT_GlyphSlot glyph = (FT_GlyphSlot)decoder->builder.glyph; + FT_GlyphLoader loader = glyph->internal->loader; + FT_SubGlyph subg; + + + /* reallocate subglyph array if necessary */ + error2 = FT_GlyphLoader_CheckSubGlyphs( loader, 2 ); + if ( error2 ) + { + lastError = error2; /* pass FreeType error through */ + goto exit; + } + + subg = loader->current.subglyphs; + + /* subglyph 0 = base character */ + subg->index = bchar_index; + subg->flags = FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES | + FT_SUBGLYPH_FLAG_USE_MY_METRICS; + subg->arg1 = 0; + subg->arg2 = 0; + subg++; + + /* subglyph 1 = accent character */ + subg->index = achar_index; + subg->flags = FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES; + subg->arg1 = (FT_Int)FIXED_TO_INT( adx - asb ); + subg->arg2 = (FT_Int)FIXED_TO_INT( ady ); + + /* set up remaining glyph fields */ + glyph->num_subglyphs = 2; + glyph->subglyphs = loader->base.subglyphs; + glyph->format = FT_GLYPH_FORMAT_COMPOSITE; + + loader->current.num_subglyphs = 2; + + goto exit; + } + + /* First load `bchar' in builder */ + /* now load the unscaled outline */ + + /* prepare loader */ + FT_GlyphLoader_Prepare( decoder->builder.loader ); + + error2 = cf2_getT1SeacComponent( decoder, + (FT_UInt)bchar_index, + &component ); + if ( error2 ) + { + lastError = error2; /* pass FreeType error through */ + goto exit; + } + cf2_interpT2CharString( font, + &component, + callbacks, + translation, + TRUE, + 0, + 0, + &dummyWidth ); + cf2_freeT1SeacComponent( decoder, &component ); + + /* save the left bearing and width of the base */ + /* character as they will be erased by the next load */ + + left_bearing = *decoder->builder.left_bearing; + advance = *decoder->builder.advance; + + decoder->builder.left_bearing->x = 0; + decoder->builder.left_bearing->y = 0; + + /* Now load `achar' on top of */ + /* the base outline */ + + error2 = cf2_getT1SeacComponent( decoder, + (FT_UInt)achar_index, + &component ); + if ( error2 ) + { + lastError = error2; /* pass FreeType error through */ + goto exit; + } + cf2_interpT2CharString( font, + &component, + callbacks, + translation, + TRUE, + adx - asb, + ady, + &dummyWidth ); + cf2_freeT1SeacComponent( decoder, &component ); + + /* restore the left side bearing and */ + /* advance width of the base character */ + + *decoder->builder.left_bearing = left_bearing; + *decoder->builder.advance = advance; + + goto exit; + } + break; + + case cf2_escSBW: + if ( !font->isT1 ) + FT_TRACE4(( " unknown op (12, %d)\n", op2 )); + else + { + CF2_Fixed lsb_x, lsb_y; + PS_Builder* builder; + + + FT_TRACE4(( " sbw" )); + + builder = &decoder->builder; + + builder->advance->y = cf2_stack_popFixed( opStack ); + builder->advance->x = cf2_stack_popFixed( opStack ); + + lsb_y = cf2_stack_popFixed( opStack ); + lsb_x = cf2_stack_popFixed( opStack ); + + builder->left_bearing->x = + ADD_INT32( builder->left_bearing->x, lsb_x ); + builder->left_bearing->y = + ADD_INT32( builder->left_bearing->y, lsb_y ); + + haveWidth = TRUE; + + /* the `metrics_only' indicates that we only want */ + /* to compute the glyph's metrics (lsb + advance */ + /* width), not load the rest of it; so exit */ + /* immediately */ + if ( builder->metrics_only ) + goto exit; + + if ( initial_map_ready ) + { + curX = ADD_INT32( curX, lsb_x ); + curY = ADD_INT32( curY, lsb_y ); + } + } + break; + + case cf2_escABS: + { + CF2_F16Dot16 arg; + + + FT_TRACE4(( " abs\n" )); + + arg = cf2_stack_popFixed( opStack ); + + if ( arg < -CF2_FIXED_MAX ) + cf2_stack_pushFixed( opStack, CF2_FIXED_MAX ); + else + cf2_stack_pushFixed( opStack, FT_ABS( arg ) ); + } + continue; /* do not clear the stack */ + + case cf2_escADD: + { + CF2_F16Dot16 summand1; + CF2_F16Dot16 summand2; + + + FT_TRACE4(( " add\n" )); + + summand2 = cf2_stack_popFixed( opStack ); + summand1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, + ADD_INT32( summand1, + summand2 ) ); + } + continue; /* do not clear the stack */ + + case cf2_escSUB: + { + CF2_F16Dot16 minuend; + CF2_F16Dot16 subtrahend; + + + FT_TRACE4(( " sub\n" )); + + subtrahend = cf2_stack_popFixed( opStack ); + minuend = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, + SUB_INT32( minuend, subtrahend ) ); + } + continue; /* do not clear the stack */ + + case cf2_escDIV: + { + CF2_F16Dot16 dividend; + CF2_F16Dot16 divisor; + + + FT_TRACE4(( " div\n" )); + + if ( font->isT1 && large_int ) + { + divisor = (CF2_F16Dot16)cf2_stack_popInt( opStack ); + dividend = (CF2_F16Dot16)cf2_stack_popInt( opStack ); + + large_int = FALSE; + } + else + { + divisor = cf2_stack_popFixed( opStack ); + dividend = cf2_stack_popFixed( opStack ); + } + + cf2_stack_pushFixed( opStack, + FT_DivFix( dividend, divisor ) ); + + } + continue; /* do not clear the stack */ + + case cf2_escNEG: + { + CF2_F16Dot16 arg; + + + FT_TRACE4(( " neg\n" )); + + arg = cf2_stack_popFixed( opStack ); + + if ( arg < -CF2_FIXED_MAX ) + cf2_stack_pushFixed( opStack, CF2_FIXED_MAX ); + else + cf2_stack_pushFixed( opStack, -arg ); + } + continue; /* do not clear the stack */ + + case cf2_escEQ: + { + CF2_F16Dot16 arg1; + CF2_F16Dot16 arg2; + + + FT_TRACE4(( " eq\n" )); + + arg2 = cf2_stack_popFixed( opStack ); + arg1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushInt( opStack, arg1 == arg2 ); + } + continue; /* do not clear the stack */ + + case cf2_escCALLOTHERSUBR: + if ( !font->isT1 ) + FT_TRACE4(( " unknown op (12, %d)\n", op2 )); + else + { + CF2_Int subr_no; + CF2_Int arg_cnt; + CF2_UInt count; + CF2_UInt opIdx = 0; + + + FT_TRACE4(( " callothersubr\n" )); + + subr_no = cf2_stack_popInt( opStack ); + arg_cnt = cf2_stack_popInt( opStack ); + + /*******************************************************/ + /* */ + /* remove all operands to callothersubr from the stack */ + /* */ + /* for handled othersubrs, where we know the number of */ + /* arguments, we increase the stack by the value of */ + /* known_othersubr_result_cnt */ + /* */ + /* for unhandled othersubrs the following pops adjust */ + /* the stack pointer as necessary */ + + count = cf2_stack_count( opStack ); + FT_ASSERT( (CF2_UInt)arg_cnt <= count ); + + opIdx += count - (CF2_UInt)arg_cnt; + + known_othersubr_result_cnt = 0; + result_cnt = 0; + + /* XXX TODO: The checks to `arg_count == <whatever>' */ + /* might not be correct; an othersubr expects a */ + /* certain number of operands on the PostScript stack */ + /* (as opposed to the T1 stack) but it doesn't have to */ + /* put them there by itself; previous othersubrs might */ + /* have left the operands there if they were not */ + /* followed by an appropriate number of pops */ + /* */ + /* On the other hand, Adobe Reader 7.0.8 for Linux */ + /* doesn't accept a font that contains charstrings */ + /* like */ + /* */ + /* 100 200 2 20 callothersubr */ + /* 300 1 20 callothersubr pop */ + /* */ + /* Perhaps this is the reason why BuildCharArray */ + /* exists. */ + + switch ( subr_no ) + { + case 0: /* end flex feature */ + if ( arg_cnt != 3 ) + goto Unexpected_OtherSubr; + + if ( initial_map_ready && + ( !decoder->flex_state || + decoder->num_flex_vectors != 7 ) ) + { + FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):" + " unexpected flex end\n" )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + /* the two `results' are popped */ + /* by the following setcurrentpoint */ + cf2_stack_pushFixed( opStack, curX ); + cf2_stack_pushFixed( opStack, curY ); + known_othersubr_result_cnt = 2; + break; + + case 1: /* start flex feature */ + if ( arg_cnt != 0 ) + goto Unexpected_OtherSubr; + + if ( !initial_map_ready ) + break; + + if ( ps_builder_check_points( &decoder->builder, 6 ) ) + goto exit; + + decoder->flex_state = 1; + decoder->num_flex_vectors = 0; + break; + + case 2: /* add flex vectors */ + { + FT_Int idx; + FT_Int idx2; + + + if ( arg_cnt != 0 ) + goto Unexpected_OtherSubr; + + if ( !initial_map_ready ) + break; + + if ( !decoder->flex_state ) + { + FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):" + " missing flex start\n" )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + /* note that we should not add a point for */ + /* index 0; this will move our current position */ + /* to the flex point without adding any point */ + /* to the outline */ + idx = decoder->num_flex_vectors++; + if ( idx > 0 && idx < 7 ) + { + /* in malformed fonts it is possible to have */ + /* other opcodes in the middle of a flex (which */ + /* don't increase `num_flex_vectors'); we thus */ + /* have to check whether we can add a point */ + + if ( ps_builder_check_points( &decoder->builder, + 1 ) ) + { + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + /* map: 1->2 2->4 3->6 4->2 5->4 6->6 */ + idx2 = ( idx > 3 ? idx - 3 : idx ) * 2; + + flexStore[idx2 - 2] = curX; + flexStore[idx2 - 1] = curY; + + if ( idx == 3 || idx == 6 ) + cf2_glyphpath_curveTo( &glyphPath, + flexStore[0], + flexStore[1], + flexStore[2], + flexStore[3], + flexStore[4], + flexStore[5] ); + } + } + break; + + case 3: /* change hints */ + if ( arg_cnt != 1 ) + goto Unexpected_OtherSubr; + + if ( initial_map_ready ) + { + /* do not clear hints if initial hintmap */ + /* is not ready - we need to collate all */ + cf2_arrstack_clear( &vStemHintArray ); + cf2_arrstack_clear( &hStemHintArray ); + + cf2_hintmask_init( &hintMask, error ); + hintMask.isValid = FALSE; + hintMask.isNew = TRUE; + } + + known_othersubr_result_cnt = 1; + break; + + case 12: + case 13: + /* counter control hints, clear stack */ + cf2_stack_clear( opStack ); + break; + + case 14: + case 15: + case 16: + case 17: + case 18: /* multiple masters */ + { + PS_Blend blend = decoder->blend; + FT_UInt num_points, nn, mm; + CF2_UInt delta; + CF2_UInt values; + + + if ( !blend ) + { + FT_ERROR(( + "cf2_interpT2CharString:" + " unexpected multiple masters operator\n" )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + num_points = (FT_UInt)subr_no - 13 + + ( subr_no == 18 ); + if ( arg_cnt != (FT_Int)( num_points * + blend->num_designs ) ) + { + FT_ERROR(( + "cf2_interpT2CharString:" + " incorrect number of multiple masters arguments\n" )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + /* We want to compute */ + /* */ + /* a0*w0 + a1*w1 + ... + ak*wk */ + /* */ + /* but we only have a0, a1-a0, a2-a0, ..., ak-a0. */ + /* */ + /* However, given that w0 + w1 + ... + wk == 1, we */ + /* can rewrite it easily as */ + /* */ + /* a0 + (a1-a0)*w1 + (a2-a0)*w2 + ... + (ak-a0)*wk */ + /* */ + /* where k == num_designs-1. */ + /* */ + /* I guess that's why it's written in this `compact' */ + /* form. */ + /* */ + delta = opIdx + num_points; + values = opIdx; + for ( nn = 0; nn < num_points; nn++ ) + { + CF2_Fixed tmp = cf2_stack_getReal( opStack, + values ); + + + for ( mm = 1; mm < blend->num_designs; mm++ ) + tmp = ADD_INT32( tmp, + FT_MulFix( + cf2_stack_getReal( opStack, + delta++ ), + blend->weight_vector[mm] ) ); + + cf2_stack_setReal( opStack, values++, tmp ); + } + cf2_stack_pop( opStack, + (CF2_UInt)arg_cnt - num_points ); + + known_othersubr_result_cnt = (FT_Int)num_points; + break; + } + + case 19: + /* <idx> 1 19 callothersubr */ + /* ==> replace elements starting from index */ + /* cvi( <idx> ) of BuildCharArray with */ + /* WeightVector */ + { + FT_Int idx; + PS_Blend blend = decoder->blend; + + + if ( arg_cnt != 1 || !blend ) + goto Unexpected_OtherSubr; + + idx = cf2_stack_popInt( opStack ); + + if ( idx < 0 || + (FT_UInt)idx + blend->num_designs > + decoder->len_buildchar ) + goto Unexpected_OtherSubr; + + ft_memcpy( &decoder->buildchar[idx], + blend->weight_vector, + blend->num_designs * + sizeof ( blend->weight_vector[0] ) ); + } + break; + + case 20: + /* <arg1> <arg2> 2 20 callothersubr pop */ + /* ==> push <arg1> + <arg2> onto T1 stack */ + { + CF2_F16Dot16 summand1; + CF2_F16Dot16 summand2; + + + if ( arg_cnt != 2 ) + goto Unexpected_OtherSubr; + + summand2 = cf2_stack_popFixed( opStack ); + summand1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, + ADD_INT32( summand1, + summand2 ) ); + known_othersubr_result_cnt = 1; + } + break; + + case 21: + /* <arg1> <arg2> 2 21 callothersubr pop */ + /* ==> push <arg1> - <arg2> onto T1 stack */ + { + CF2_F16Dot16 minuend; + CF2_F16Dot16 subtrahend; + + + if ( arg_cnt != 2 ) + goto Unexpected_OtherSubr; + + subtrahend = cf2_stack_popFixed( opStack ); + minuend = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, + SUB_INT32( minuend, + subtrahend ) ); + known_othersubr_result_cnt = 1; + } + break; + + case 22: + /* <arg1> <arg2> 2 22 callothersubr pop */ + /* ==> push <arg1> * <arg2> onto T1 stack */ + { + CF2_F16Dot16 factor1; + CF2_F16Dot16 factor2; + + + if ( arg_cnt != 2 ) + goto Unexpected_OtherSubr; + + factor2 = cf2_stack_popFixed( opStack ); + factor1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, + FT_MulFix( factor1, factor2 ) ); + known_othersubr_result_cnt = 1; + } + break; + + case 23: + /* <arg1> <arg2> 2 23 callothersubr pop */ + /* ==> push <arg1> / <arg2> onto T1 stack */ + { + CF2_F16Dot16 dividend; + CF2_F16Dot16 divisor; + + + if ( arg_cnt != 2 ) + goto Unexpected_OtherSubr; + + divisor = cf2_stack_popFixed( opStack ); + dividend = cf2_stack_popFixed( opStack ); + + if ( divisor == 0 ) + goto Unexpected_OtherSubr; + + cf2_stack_pushFixed( opStack, + FT_DivFix( dividend, + divisor ) ); + known_othersubr_result_cnt = 1; + } + break; + + case 24: + /* <val> <idx> 2 24 callothersubr */ + /* ==> set BuildCharArray[cvi( <idx> )] = <val> */ + { + CF2_Int idx; + PS_Blend blend = decoder->blend; + + + if ( arg_cnt != 2 || !blend ) + goto Unexpected_OtherSubr; + + idx = cf2_stack_popInt( opStack ); + + if ( idx < 0 || + (FT_UInt)idx >= decoder->len_buildchar ) + goto Unexpected_OtherSubr; + + decoder->buildchar[idx] = + cf2_stack_popFixed( opStack ); + } + break; + + case 25: + /* <idx> 1 25 callothersubr pop */ + /* ==> push BuildCharArray[cvi( idx )] */ + /* onto T1 stack */ + { + CF2_Int idx; + PS_Blend blend = decoder->blend; + + + if ( arg_cnt != 1 || !blend ) + goto Unexpected_OtherSubr; + + idx = cf2_stack_popInt( opStack ); + + if ( idx < 0 || + (FT_UInt)idx >= decoder->len_buildchar ) + goto Unexpected_OtherSubr; + + cf2_stack_pushFixed( opStack, + decoder->buildchar[idx] ); + known_othersubr_result_cnt = 1; + } + break; + +#if 0 + case 26: + /* <val> mark <idx> */ + /* ==> set BuildCharArray[cvi( <idx> )] = <val>, */ + /* leave mark on T1 stack */ + /* <val> <idx> */ + /* ==> set BuildCharArray[cvi( <idx> )] = <val> */ + XXX which routine has left its mark on the + XXX (PostScript) stack?; + break; +#endif + + case 27: + /* <res1> <res2> <val1> <val2> 4 27 callothersubr pop */ + /* ==> push <res1> onto T1 stack if <val1> <= <val2>, */ + /* otherwise push <res2> */ + { + CF2_F16Dot16 arg1; + CF2_F16Dot16 arg2; + CF2_F16Dot16 cond1; + CF2_F16Dot16 cond2; + + + if ( arg_cnt != 4 ) + goto Unexpected_OtherSubr; + + cond2 = cf2_stack_popFixed( opStack ); + cond1 = cf2_stack_popFixed( opStack ); + arg2 = cf2_stack_popFixed( opStack ); + arg1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, + cond1 <= cond2 ? arg1 : arg2 ); + known_othersubr_result_cnt = 1; + } + break; + + case 28: + /* 0 28 callothersubr pop */ + /* ==> push random value from interval [0, 1) */ + /* onto stack */ + { + CF2_F16Dot16 r; + + + if ( arg_cnt != 0 ) + goto Unexpected_OtherSubr; + + /* only use the lower 16 bits of `random' */ + /* to generate a number in the range (0;1] */ + r = (CF2_F16Dot16) + ( ( decoder->current_subfont->random & 0xFFFF ) + 1 ); + + decoder->current_subfont->random = + cff_random( decoder->current_subfont->random ); + + cf2_stack_pushFixed( opStack, r ); + known_othersubr_result_cnt = 1; + } + break; + + default: + if ( arg_cnt >= 0 && subr_no >= 0 ) + { + FT_Int i; + + + FT_ERROR(( + "cf2_interpT2CharString (Type 1 mode):" + " unknown othersubr [%d %d], wish me luck\n", + arg_cnt, subr_no )); + + /* store the unused args */ + /* for this unhandled OtherSubr */ + + if ( arg_cnt > PS_STORAGE_SIZE ) + arg_cnt = PS_STORAGE_SIZE; + result_cnt = arg_cnt; + + for ( i = 1; i <= arg_cnt; i++ ) + results[result_cnt - i] = + cf2_stack_popFixed( opStack ); + + break; + } + /* fall through */ + + Unexpected_OtherSubr: + FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):" + " invalid othersubr [%d %d]\n", + arg_cnt, subr_no )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + } + continue; /* do not clear the stack */ + + case cf2_escPOP: + if ( !font->isT1 ) + FT_TRACE4(( " unknown op (12, %d)\n", op2 )); + else + { + FT_TRACE4(( " pop" )); + + if ( known_othersubr_result_cnt > 0 ) + { + known_othersubr_result_cnt--; + /* ignore, we pushed the operands ourselves */ + continue; + } + + if ( result_cnt == 0 ) + { + FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):" + " no more operands for othersubr\n" )); + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; + } + + result_cnt--; + cf2_stack_pushFixed( opStack, results[result_cnt] ); + } + continue; /* do not clear the stack */ + + case cf2_escDROP: + FT_TRACE4(( " drop\n" )); + + (void)cf2_stack_popFixed( opStack ); + continue; /* do not clear the stack */ + + case cf2_escPUT: + { + CF2_F16Dot16 val; + CF2_Int idx; + + + FT_TRACE4(( " put\n" )); + + idx = cf2_stack_popInt( opStack ); + val = cf2_stack_popFixed( opStack ); + + if ( idx >= 0 && idx < CF2_STORAGE_SIZE ) + storage[idx] = val; + } + continue; /* do not clear the stack */ + + case cf2_escGET: + { + CF2_Int idx; + + + FT_TRACE4(( " get\n" )); + + idx = cf2_stack_popInt( opStack ); + + if ( idx >= 0 && idx < CF2_STORAGE_SIZE ) + cf2_stack_pushFixed( opStack, storage[idx] ); + } + continue; /* do not clear the stack */ + + case cf2_escIFELSE: + { + CF2_F16Dot16 arg1; + CF2_F16Dot16 arg2; + CF2_F16Dot16 cond1; + CF2_F16Dot16 cond2; + + + FT_TRACE4(( " ifelse\n" )); + + cond2 = cf2_stack_popFixed( opStack ); + cond1 = cf2_stack_popFixed( opStack ); + arg2 = cf2_stack_popFixed( opStack ); + arg1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, + cond1 <= cond2 ? arg1 : arg2 ); + } + continue; /* do not clear the stack */ + + case cf2_escRANDOM: /* in spec */ + { + CF2_F16Dot16 r; + + + FT_TRACE4(( " random\n" )); + + /* only use the lower 16 bits of `random' */ + /* to generate a number in the range (0;1] */ + r = (CF2_F16Dot16) + ( ( decoder->current_subfont->random & 0xFFFF ) + 1 ); + + decoder->current_subfont->random = + cff_random( decoder->current_subfont->random ); + + cf2_stack_pushFixed( opStack, r ); + } + continue; /* do not clear the stack */ + + case cf2_escMUL: + { + CF2_F16Dot16 factor1; + CF2_F16Dot16 factor2; + + + FT_TRACE4(( " mul\n" )); + + factor2 = cf2_stack_popFixed( opStack ); + factor1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, + FT_MulFix( factor1, factor2 ) ); + } + continue; /* do not clear the stack */ + + case cf2_escSQRT: + { + CF2_F16Dot16 arg; + + + FT_TRACE4(( " sqrt\n" )); + + arg = cf2_stack_popFixed( opStack ); + if ( arg > 0 ) + { + /* use a start value that doesn't make */ + /* the algorithm's addition overflow */ + FT_Fixed root = arg < 10 ? arg : arg >> 1; + FT_Fixed new_root; + + + /* Babylonian method */ + for (;;) + { + new_root = ( root + FT_DivFix( arg, root ) + 1 ) >> 1; + if ( new_root == root ) + break; + root = new_root; + } + arg = new_root; + } + else + arg = 0; + + cf2_stack_pushFixed( opStack, arg ); + } + continue; /* do not clear the stack */ + + case cf2_escDUP: + { + CF2_F16Dot16 arg; + + + FT_TRACE4(( " dup\n" )); + + arg = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, arg ); + cf2_stack_pushFixed( opStack, arg ); + } + continue; /* do not clear the stack */ + + case cf2_escEXCH: + { + CF2_F16Dot16 arg1; + CF2_F16Dot16 arg2; + + + FT_TRACE4(( " exch\n" )); + + arg2 = cf2_stack_popFixed( opStack ); + arg1 = cf2_stack_popFixed( opStack ); + + cf2_stack_pushFixed( opStack, arg2 ); + cf2_stack_pushFixed( opStack, arg1 ); + } + continue; /* do not clear the stack */ + + case cf2_escINDEX: + { + CF2_Int idx; + CF2_UInt size; + + + FT_TRACE4(( " index\n" )); + + idx = cf2_stack_popInt( opStack ); + size = cf2_stack_count( opStack ); + + if ( size > 0 ) + { + /* for `cf2_stack_getReal', */ + /* index 0 is bottom of stack */ + CF2_UInt gr_idx; + + + if ( idx < 0 ) + gr_idx = size - 1; + else if ( (CF2_UInt)idx >= size ) + gr_idx = 0; + else + gr_idx = size - 1 - (CF2_UInt)idx; + + cf2_stack_pushFixed( opStack, + cf2_stack_getReal( opStack, + gr_idx ) ); + } + } + continue; /* do not clear the stack */ + + case cf2_escROLL: + { + CF2_Int idx; + CF2_Int count; + + + FT_TRACE4(( " roll\n" )); + + idx = cf2_stack_popInt( opStack ); + count = cf2_stack_popInt( opStack ); + + cf2_stack_roll( opStack, count, idx ); + } + continue; /* do not clear the stack */ + + case cf2_escSETCURRENTPT: + if ( !font->isT1 ) + FT_TRACE4(( " unknown op (12, %d)\n", op2 )); + else + { + FT_TRACE4(( " setcurrentpoint" )); + + if ( !initial_map_ready ) + break; + + /* From the T1 specification, section 6.4: */ + /* */ + /* The setcurrentpoint command is used only in */ + /* conjunction with results from OtherSubrs */ + /* procedures. */ + + /* known_othersubr_result_cnt != 0 is already handled */ + /* above. */ + + /* Note, however, that both Ghostscript and Adobe */ + /* Distiller handle this situation by silently */ + /* ignoring the inappropriate `setcurrentpoint' */ + /* instruction. So we do the same. */ +#if 0 + + if ( decoder->flex_state != 1 ) + { + FT_ERROR(( "cf2_interpT2CharString:" + " unexpected `setcurrentpoint'\n" )); + goto Syntax_Error; + } + else + ... +#endif + + curY = cf2_stack_popFixed( opStack ); + curX = cf2_stack_popFixed( opStack ); + + decoder->flex_state = 0; + } + break; + + } /* end of 2nd switch checking op2 */ + } + } + } /* end of 1st switch checking op2 */ + } /* case cf2_cmdESC */ + + break; + + case cf2_cmdHSBW: + if ( !font->isT1 ) + FT_TRACE4(( " unknown op (%d)\n", op1 )); + else + { + CF2_Fixed lsb_x; + PS_Builder* builder; + + + FT_TRACE4(( " hsbw" )); + + builder = &decoder->builder; + + builder->advance->x = cf2_stack_popFixed( opStack ); + builder->advance->y = 0; + + lsb_x = cf2_stack_popFixed( opStack ); + + builder->left_bearing->x = ADD_INT32( builder->left_bearing->x, + lsb_x ); + + haveWidth = TRUE; + + /* the `metrics_only' indicates that we only want to compute */ + /* the glyph's metrics (lsb + advance width), not load the */ + /* rest of it; so exit immediately */ + if ( builder->metrics_only ) + goto exit; + + if ( initial_map_ready ) + curX = ADD_INT32( curX, lsb_x ); + } + break; + + case cf2_cmdENDCHAR: + FT_TRACE4(( " endchar\n" )); + + if ( font->isT1 && !initial_map_ready ) + { + FT_TRACE5(( "cf2_interpT2CharString (Type 1 mode): " + "Build initial hintmap, rewinding...\n" )); + + /* trigger initial hintmap build */ + cf2_glyphpath_moveTo( &glyphPath, curX, curY ); + + initial_map_ready = TRUE; + + /* change hints routine - clear for rewind */ + cf2_arrstack_clear( &vStemHintArray ); + cf2_arrstack_clear( &hStemHintArray ); + + cf2_hintmask_init( &hintMask, error ); + hintMask.isValid = FALSE; + hintMask.isNew = TRUE; + + /* rewind charstring */ + /* some charstrings use endchar from a final subroutine call */ + /* without returning, detect these and exit to the top level */ + /* charstring */ + while ( charstringIndex > 0 ) + { + FT_TRACE4(( " return (leaving level %d)\n", charstringIndex )); + + /* restore position in previous charstring */ + charstring = (CF2_Buffer) + cf2_arrstack_getPointer( + &subrStack, + (CF2_UInt)--charstringIndex ); + } + charstring->ptr = charstring->start; + + break; + } + + if ( cf2_stack_count( opStack ) == 1 || + cf2_stack_count( opStack ) == 5 ) + { + if ( !haveWidth ) + *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ), + nominalWidthX ); + } + + /* width is defined or default after this */ + haveWidth = TRUE; + + if ( decoder->width_only ) + goto exit; + + /* close path if still open */ + cf2_glyphpath_closeOpenPath( &glyphPath ); + + /* disable seac for CFF2 and Type1 */ + /* (charstring ending with args on stack) */ + if ( !font->isCFF2 && !font->isT1 && cf2_stack_count( opStack ) > 1 ) + { + /* must be either 4 or 5 -- */ + /* this is a (deprecated) implied `seac' operator */ + + CF2_Int achar; + CF2_Int bchar; + CF2_BufferRec component; + CF2_Fixed dummyWidth; /* ignore component width */ + FT_Error error2; + + + if ( doingSeac ) + { + lastError = FT_THROW( Invalid_Glyph_Format ); + goto exit; /* nested seac */ + } + + achar = cf2_stack_popInt( opStack ); + bchar = cf2_stack_popInt( opStack ); + + curY = cf2_stack_popFixed( opStack ); + curX = cf2_stack_popFixed( opStack ); + + error2 = cf2_getSeacComponent( decoder, achar, &component ); + if ( error2 ) + { + lastError = error2; /* pass FreeType error through */ + goto exit; + } + cf2_interpT2CharString( font, + &component, + callbacks, + translation, + TRUE, + curX, + curY, + &dummyWidth ); + cf2_freeSeacComponent( decoder, &component ); + + error2 = cf2_getSeacComponent( decoder, bchar, &component ); + if ( error2 ) + { + lastError = error2; /* pass FreeType error through */ + goto exit; + } + cf2_interpT2CharString( font, + &component, + callbacks, + translation, + TRUE, + 0, + 0, + &dummyWidth ); + cf2_freeSeacComponent( decoder, &component ); + } + goto exit; + + case cf2_cmdCNTRMASK: + case cf2_cmdHINTMASK: + /* the final \n in the tracing message gets added in */ + /* `cf2_hintmask_read' (which also traces the mask bytes) */ + FT_TRACE4(( op1 == cf2_cmdCNTRMASK ? " cntrmask" : " hintmask" )); + + /* never add hints after the mask is computed */ + if ( cf2_stack_count( opStack ) > 1 && + cf2_hintmask_isValid( &hintMask ) ) + { + FT_TRACE4(( "cf2_interpT2CharString: invalid hint mask\n" )); + break; + } + + /* if there are arguments on the stack, there this is an */ + /* implied cf2_cmdVSTEMHM */ + cf2_doStems( font, + opStack, + &vStemHintArray, + width, + &haveWidth, + 0 ); + + if ( decoder->width_only ) + goto exit; + + if ( op1 == cf2_cmdHINTMASK ) + { + /* consume the hint mask bytes which follow the operator */ + cf2_hintmask_read( &hintMask, + charstring, + cf2_arrstack_size( &hStemHintArray ) + + cf2_arrstack_size( &vStemHintArray ) ); + } + else + { + /* + * Consume the counter mask bytes which follow the operator: + * Build a temporary hint map, just to place and lock those + * stems participating in the counter mask. These are most + * likely the dominant hstems, and are grouped together in a + * few counter groups, not necessarily in correspondence + * with the hint groups. This reduces the chances of + * conflicts between hstems that are initially placed in + * separate hint groups and then brought together. The + * positions are copied back to `hStemHintArray', so we can + * discard `counterMask' and `counterHintMap'. + * + */ + CF2_HintMapRec counterHintMap; + CF2_HintMaskRec counterMask; + + + cf2_hintmap_init( &counterHintMap, + font, + &glyphPath.initialHintMap, + &glyphPath.hintMoves, + scaleY ); + cf2_hintmask_init( &counterMask, error ); + + cf2_hintmask_read( &counterMask, + charstring, + cf2_arrstack_size( &hStemHintArray ) + + cf2_arrstack_size( &vStemHintArray ) ); + cf2_hintmap_build( &counterHintMap, + &hStemHintArray, + &vStemHintArray, + &counterMask, + 0, + FALSE ); + } + break; + + case cf2_cmdRMOVETO: + FT_TRACE4(( " rmoveto\n" )); + + if ( font->isT1 && !decoder->flex_state && !haveWidth ) + FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):" + " No width. Use hsbw/sbw as first op\n" )); + + if ( cf2_stack_count( opStack ) > 2 && !haveWidth ) + *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ), + nominalWidthX ); + + /* width is defined or default after this */ + haveWidth = TRUE; + + if ( decoder->width_only ) + goto exit; + + curY = ADD_INT32( curY, cf2_stack_popFixed( opStack ) ); + curX = ADD_INT32( curX, cf2_stack_popFixed( opStack ) ); + + if ( !decoder->flex_state ) + cf2_glyphpath_moveTo( &glyphPath, curX, curY ); + + break; + + case cf2_cmdHMOVETO: + FT_TRACE4(( " hmoveto\n" )); + + if ( font->isT1 && !decoder->flex_state && !haveWidth ) + FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):" + " No width. Use hsbw/sbw as first op\n" )); + + if ( cf2_stack_count( opStack ) > 1 && !haveWidth ) + *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ), + nominalWidthX ); + + /* width is defined or default after this */ + haveWidth = TRUE; + + if ( decoder->width_only ) + goto exit; + + curX = ADD_INT32( curX, cf2_stack_popFixed( opStack ) ); + + cf2_glyphpath_moveTo( &glyphPath, curX, curY ); + + break; + + case cf2_cmdRLINECURVE: + { + CF2_UInt count = cf2_stack_count( opStack ); + CF2_UInt idx = 0; + + + FT_TRACE4(( " rlinecurve\n" )); + + while ( idx + 6 < count ) + { + curX = ADD_INT32( curX, cf2_stack_getReal( opStack, + idx + 0 ) ); + curY = ADD_INT32( curY, cf2_stack_getReal( opStack, + idx + 1 ) ); + + cf2_glyphpath_lineTo( &glyphPath, curX, curY ); + idx += 2; + } + + while ( idx < count ) + { + CF2_Fixed x1, y1, x2, y2, x3, y3; + + + x1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curX ); + y1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), curY ); + x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), x1 ); + y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), y1 ); + x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 4 ), x2 ); + y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 5 ), y2 ); + + cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); + + curX = x3; + curY = y3; + idx += 6; + } + + cf2_stack_clear( opStack ); + } + continue; /* no need to clear stack again */ + + case cf2_cmdVVCURVETO: + { + CF2_UInt count, count1 = cf2_stack_count( opStack ); + CF2_UInt idx = 0; + + + /* if `cf2_stack_count' isn't of the form 4n or 4n+1, */ + /* we enforce it by clearing the second bit */ + /* (and sorting the stack indexing to suit) */ + count = count1 & ~2U; + idx += count1 - count; + + FT_TRACE4(( " vvcurveto\n" )); + + while ( idx < count ) + { + CF2_Fixed x1, y1, x2, y2, x3, y3; + + + if ( ( count - idx ) & 1 ) + { + x1 = ADD_INT32( cf2_stack_getReal( opStack, idx ), curX ); + + idx++; + } + else + x1 = curX; + + y1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curY ); + x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), x1 ); + y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), y1 ); + x3 = x2; + y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), y2 ); + + cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); + + curX = x3; + curY = y3; + idx += 4; + } + + cf2_stack_clear( opStack ); + } + continue; /* no need to clear stack again */ + + case cf2_cmdHHCURVETO: + { + CF2_UInt count, count1 = cf2_stack_count( opStack ); + CF2_UInt idx = 0; + + + /* if `cf2_stack_count' isn't of the form 4n or 4n+1, */ + /* we enforce it by clearing the second bit */ + /* (and sorting the stack indexing to suit) */ + count = count1 & ~2U; + idx += count1 - count; + + FT_TRACE4(( " hhcurveto\n" )); + + while ( idx < count ) + { + CF2_Fixed x1, y1, x2, y2, x3, y3; + + + if ( ( count - idx ) & 1 ) + { + y1 = ADD_INT32( cf2_stack_getReal( opStack, idx ), curY ); + + idx++; + } + else + y1 = curY; + + x1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curX ); + x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), x1 ); + y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), y1 ); + x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), x2 ); + y3 = y2; + + cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); + + curX = x3; + curY = y3; + idx += 4; + } + + cf2_stack_clear( opStack ); + } + continue; /* no need to clear stack again */ + + case cf2_cmdVHCURVETO: + case cf2_cmdHVCURVETO: + { + CF2_UInt count, count1 = cf2_stack_count( opStack ); + CF2_UInt idx = 0; + + FT_Bool alternate = FT_BOOL( op1 == cf2_cmdHVCURVETO ); + + + /* if `cf2_stack_count' isn't of the form 8n, 8n+1, */ + /* 8n+4, or 8n+5, we enforce it by clearing the */ + /* second bit */ + /* (and sorting the stack indexing to suit) */ + count = count1 & ~2U; + idx += count1 - count; + + FT_TRACE4(( alternate ? " hvcurveto\n" : " vhcurveto\n" )); + + while ( idx < count ) + { + CF2_Fixed x1, x2, x3, y1, y2, y3; + + + if ( alternate ) + { + x1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curX ); + y1 = curY; + x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), x1 ); + y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), y1 ); + y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), y2 ); + + if ( count - idx == 5 ) + { + x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 4 ), x2 ); + + idx++; + } + else + x3 = x2; + + alternate = FALSE; + } + else + { + x1 = curX; + y1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curY ); + x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), x1 ); + y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), y1 ); + x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), x2 ); + + if ( count - idx == 5 ) + { + y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 4 ), y2 ); + + idx++; + } + else + y3 = y2; + + alternate = TRUE; + } + + cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); + + curX = x3; + curY = y3; + idx += 4; + } + + cf2_stack_clear( opStack ); + } + continue; /* no need to clear stack again */ + + case cf2_cmdEXTENDEDNMBR: + { + CF2_Int v; + + CF2_Int byte1 = cf2_buf_readByte( charstring ); + CF2_Int byte2 = cf2_buf_readByte( charstring ); + + + v = (FT_Short)( ( byte1 << 8 ) | + byte2 ); + + FT_TRACE4(( " %d", v )); + + cf2_stack_pushInt( opStack, v ); + } + continue; + + default: + /* numbers */ + { + if ( /* op1 >= 32 && */ op1 <= 246 ) + { + CF2_Int v; + + + v = op1 - 139; + + FT_TRACE4(( " %d", v )); + + /* -107 .. 107 */ + cf2_stack_pushInt( opStack, v ); + } + + else if ( /* op1 >= 247 && */ op1 <= 250 ) + { + CF2_Int v; + + + v = op1; + v -= 247; + v *= 256; + v += cf2_buf_readByte( charstring ); + v += 108; + + FT_TRACE4(( " %d", v )); + + /* 108 .. 1131 */ + cf2_stack_pushInt( opStack, v ); + } + + else if ( /* op1 >= 251 && */ op1 <= 254 ) + { + CF2_Int v; + + + v = op1; + v -= 251; + v *= 256; + v += cf2_buf_readByte( charstring ); + v = -v - 108; + + FT_TRACE4(( " %d", v )); + + /* -1131 .. -108 */ + cf2_stack_pushInt( opStack, v ); + } + + else /* op1 == 255 */ + { + CF2_Fixed v; + + FT_UInt32 byte1 = (FT_UInt32)cf2_buf_readByte( charstring ); + FT_UInt32 byte2 = (FT_UInt32)cf2_buf_readByte( charstring ); + FT_UInt32 byte3 = (FT_UInt32)cf2_buf_readByte( charstring ); + FT_UInt32 byte4 = (FT_UInt32)cf2_buf_readByte( charstring ); + + + v = (CF2_Fixed)( ( byte1 << 24 ) | + ( byte2 << 16 ) | + ( byte3 << 8 ) | + byte4 ); + + /* + * For Type 1: + * + * According to the specification, values > 32000 or < -32000 + * must be followed by a `div' operator to make the result be + * in the range [-32000;32000]. We expect that the second + * argument of `div' is not a large number. Additionally, we + * don't handle stuff like `<large1> <large2> <num> div <num> + * div' or <large1> <large2> <num> div div'. This is probably + * not allowed anyway. + * + * <large> <num> <num>+ div is not checked but should not be + * allowed as the large value remains untouched. + * + */ + if ( font->isT1 ) + { + if ( v > 32000 || v < -32000 ) + { + if ( large_int ) + FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):" + " no `div' after large integer\n" )); + else + large_int = TRUE; + } + + FT_TRACE4(( " %d", v )); + + cf2_stack_pushInt( opStack, (CF2_Int)v ); + } + else + { + FT_TRACE4(( " %.5fF", v / 65536.0 )); + + cf2_stack_pushFixed( opStack, v ); + } + } + } + continue; /* don't clear stack */ + + } /* end of switch statement checking `op1' */ + + cf2_stack_clear( opStack ); + + } /* end of main interpreter loop */ + + /* we get here if the charstring ends without cf2_cmdENDCHAR */ + FT_TRACE4(( "cf2_interpT2CharString:" + " charstring ends without ENDCHAR\n" )); + + exit: + /* check whether last error seen is also the first one */ + cf2_setError( error, lastError ); + + if ( *error ) + FT_TRACE4(( "charstring error %d\n", *error )); + + /* free resources from objects we've used */ + cf2_glyphpath_finalize( &glyphPath ); + cf2_arrstack_finalize( &vStemHintArray ); + cf2_arrstack_finalize( &hStemHintArray ); + cf2_arrstack_finalize( &subrStack ); + cf2_stack_free( opStack ); + + FT_TRACE4(( "\n" )); + + return; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psintrp.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psintrp.h new file mode 100644 index 00000000000..4790aaa302a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psintrp.h @@ -0,0 +1,83 @@ +/***************************************************************************/ +/* */ +/* psintrp.h */ +/* */ +/* Adobe's CFF Interpreter (specification). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSINTRP_H_ +#define PSINTRP_H_ + + +#include "psft.h" +#include "pshints.h" + + +FT_BEGIN_HEADER + + + FT_LOCAL( void ) + cf2_hintmask_init( CF2_HintMask hintmask, + FT_Error* error ); + FT_LOCAL( FT_Bool ) + cf2_hintmask_isValid( const CF2_HintMask hintmask ); + FT_LOCAL( FT_Bool ) + cf2_hintmask_isNew( const CF2_HintMask hintmask ); + FT_LOCAL( void ) + cf2_hintmask_setNew( CF2_HintMask hintmask, + FT_Bool val ); + FT_LOCAL( FT_Byte* ) + cf2_hintmask_getMaskPtr( CF2_HintMask hintmask ); + FT_LOCAL( void ) + cf2_hintmask_setAll( CF2_HintMask hintmask, + size_t bitCount ); + + FT_LOCAL( void ) + cf2_interpT2CharString( CF2_Font font, + CF2_Buffer charstring, + CF2_OutlineCallbacks callbacks, + const FT_Vector* translation, + FT_Bool doingSeac, + CF2_Fixed curX, + CF2_Fixed curY, + CF2_Fixed* width ); + + +FT_END_HEADER + + +#endif /* PSINTRP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psobjs.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psobjs.c new file mode 100644 index 00000000000..f54bc7e4164 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psobjs.c @@ -0,0 +1,2533 @@ +/***************************************************************************/ +/* */ +/* psobjs.c */ +/* */ +/* Auxiliary functions for PostScript fonts (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_CALC_H +#include FT_DRIVER_H + +#include "psobjs.h" +#include "psconv.h" + +#include "psauxerr.h" +#include "psauxmod.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_psobjs + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PS_TABLE *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ps_table_new */ + /* */ + /* <Description> */ + /* Initializes a PS_Table. */ + /* */ + /* <InOut> */ + /* table :: The address of the target table. */ + /* */ + /* <Input> */ + /* count :: The table size = the maximum number of elements. */ + /* */ + /* memory :: The memory object to use for all subsequent */ + /* reallocations. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + ps_table_new( PS_Table table, + FT_Int count, + FT_Memory memory ) + { + FT_Error error; + + + table->memory = memory; + if ( FT_NEW_ARRAY( table->elements, count ) || + FT_NEW_ARRAY( table->lengths, count ) ) + goto Exit; + + table->max_elems = count; + table->init = 0xDEADBEEFUL; + table->num_elems = 0; + table->block = NULL; + table->capacity = 0; + table->cursor = 0; + + *(PS_Table_FuncsRec*)&table->funcs = ps_table_funcs; + + Exit: + if ( error ) + FT_FREE( table->elements ); + + return error; + } + + + static void + shift_elements( PS_Table table, + FT_Byte* old_base ) + { + FT_PtrDist delta = table->block - old_base; + FT_Byte** offset = table->elements; + FT_Byte** limit = offset + table->max_elems; + + + for ( ; offset < limit; offset++ ) + { + if ( offset[0] ) + offset[0] += delta; + } + } + + + static FT_Error + reallocate_t1_table( PS_Table table, + FT_Offset new_size ) + { + FT_Memory memory = table->memory; + FT_Byte* old_base = table->block; + FT_Error error; + + + /* allocate new base block */ + if ( FT_ALLOC( table->block, new_size ) ) + { + table->block = old_base; + return error; + } + + /* copy elements and shift offsets */ + if ( old_base ) + { + FT_MEM_COPY( table->block, old_base, table->capacity ); + shift_elements( table, old_base ); + FT_FREE( old_base ); + } + + table->capacity = new_size; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ps_table_add */ + /* */ + /* <Description> */ + /* Adds an object to a PS_Table, possibly growing its memory block. */ + /* */ + /* <InOut> */ + /* table :: The target table. */ + /* */ + /* <Input> */ + /* idx :: The index of the object in the table. */ + /* */ + /* object :: The address of the object to copy in memory. */ + /* */ + /* length :: The length in bytes of the source object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. An error is returned if a */ + /* reallocation fails. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + ps_table_add( PS_Table table, + FT_Int idx, + void* object, + FT_UInt length ) + { + if ( idx < 0 || idx >= table->max_elems ) + { + FT_ERROR(( "ps_table_add: invalid index\n" )); + return FT_THROW( Invalid_Argument ); + } + + /* grow the base block if needed */ + if ( table->cursor + length > table->capacity ) + { + FT_Error error; + FT_Offset new_size = table->capacity; + FT_PtrDist in_offset; + + + in_offset = (FT_Byte*)object - table->block; + if ( in_offset < 0 || (FT_Offset)in_offset >= table->capacity ) + in_offset = -1; + + while ( new_size < table->cursor + length ) + { + /* increase size by 25% and round up to the nearest multiple + of 1024 */ + new_size += ( new_size >> 2 ) + 1; + new_size = FT_PAD_CEIL( new_size, 1024 ); + } + + error = reallocate_t1_table( table, new_size ); + if ( error ) + return error; + + if ( in_offset >= 0 ) + object = table->block + in_offset; + } + + /* add the object to the base block and adjust offset */ + table->elements[idx] = table->block + table->cursor; + table->lengths [idx] = length; + FT_MEM_COPY( table->block + table->cursor, object, length ); + + table->cursor += length; + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ps_table_done */ + /* */ + /* <Description> */ + /* Finalizes a PS_TableRec (i.e., reallocate it to its current */ + /* cursor). */ + /* */ + /* <InOut> */ + /* table :: The target table. */ + /* */ + /* <Note> */ + /* This function does NOT release the heap's memory block. It is up */ + /* to the caller to clean it, or reference it in its own structures. */ + /* */ + FT_LOCAL_DEF( void ) + ps_table_done( PS_Table table ) + { + FT_Memory memory = table->memory; + FT_Error error; + FT_Byte* old_base = table->block; + + + /* should never fail, because rec.cursor <= rec.size */ + if ( !old_base ) + return; + + if ( FT_ALLOC( table->block, table->cursor ) ) + return; + FT_MEM_COPY( table->block, old_base, table->cursor ); + shift_elements( table, old_base ); + + table->capacity = table->cursor; + FT_FREE( old_base ); + + FT_UNUSED( error ); + } + + + FT_LOCAL_DEF( void ) + ps_table_release( PS_Table table ) + { + FT_Memory memory = table->memory; + + + if ( (FT_ULong)table->init == 0xDEADBEEFUL ) + { + FT_FREE( table->block ); + FT_FREE( table->elements ); + FT_FREE( table->lengths ); + table->init = 0; + } + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1 PARSER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* first character must be already part of the comment */ + + static void + skip_comment( FT_Byte* *acur, + FT_Byte* limit ) + { + FT_Byte* cur = *acur; + + + while ( cur < limit ) + { + if ( IS_PS_NEWLINE( *cur ) ) + break; + cur++; + } + + *acur = cur; + } + + + static void + skip_spaces( FT_Byte* *acur, + FT_Byte* limit ) + { + FT_Byte* cur = *acur; + + + while ( cur < limit ) + { + if ( !IS_PS_SPACE( *cur ) ) + { + if ( *cur == '%' ) + /* According to the PLRM, a comment is equal to a space. */ + skip_comment( &cur, limit ); + else + break; + } + cur++; + } + + *acur = cur; + } + + +#define IS_OCTAL_DIGIT( c ) ( '0' <= (c) && (c) <= '7' ) + + + /* first character must be `('; */ + /* *acur is positioned at the character after the closing `)' */ + + static FT_Error + skip_literal_string( FT_Byte* *acur, + FT_Byte* limit ) + { + FT_Byte* cur = *acur; + FT_Int embed = 0; + FT_Error error = FT_ERR( Invalid_File_Format ); + unsigned int i; + + + while ( cur < limit ) + { + FT_Byte c = *cur; + + + cur++; + + if ( c == '\\' ) + { + /* Red Book 3rd ed., section `Literal Text Strings', p. 29: */ + /* A backslash can introduce three different types */ + /* of escape sequences: */ + /* - a special escaped char like \r, \n, etc. */ + /* - a one-, two-, or three-digit octal number */ + /* - none of the above in which case the backslash is ignored */ + + if ( cur == limit ) + /* error (or to be ignored?) */ + break; + + switch ( *cur ) + { + /* skip `special' escape */ + case 'n': + case 'r': + case 't': + case 'b': + case 'f': + case '\\': + case '(': + case ')': + cur++; + break; + + default: + /* skip octal escape or ignore backslash */ + for ( i = 0; i < 3 && cur < limit; i++ ) + { + if ( !IS_OCTAL_DIGIT( *cur ) ) + break; + + cur++; + } + } + } + else if ( c == '(' ) + embed++; + else if ( c == ')' ) + { + embed--; + if ( embed == 0 ) + { + error = FT_Err_Ok; + break; + } + } + } + + *acur = cur; + + return error; + } + + + /* first character must be `<' */ + + static FT_Error + skip_string( FT_Byte* *acur, + FT_Byte* limit ) + { + FT_Byte* cur = *acur; + FT_Error err = FT_Err_Ok; + + + while ( ++cur < limit ) + { + /* All whitespace characters are ignored. */ + skip_spaces( &cur, limit ); + if ( cur >= limit ) + break; + + if ( !IS_PS_XDIGIT( *cur ) ) + break; + } + + if ( cur < limit && *cur != '>' ) + { + FT_ERROR(( "skip_string: missing closing delimiter `>'\n" )); + err = FT_THROW( Invalid_File_Format ); + } + else + cur++; + + *acur = cur; + return err; + } + + + /* first character must be the opening brace that */ + /* starts the procedure */ + + /* NB: [ and ] need not match: */ + /* `/foo {[} def' is a valid PostScript fragment, */ + /* even within a Type1 font */ + + static FT_Error + skip_procedure( FT_Byte* *acur, + FT_Byte* limit ) + { + FT_Byte* cur; + FT_Int embed = 0; + FT_Error error = FT_Err_Ok; + + + FT_ASSERT( **acur == '{' ); + + for ( cur = *acur; cur < limit && error == FT_Err_Ok; cur++ ) + { + switch ( *cur ) + { + case '{': + embed++; + break; + + case '}': + embed--; + if ( embed == 0 ) + { + cur++; + goto end; + } + break; + + case '(': + error = skip_literal_string( &cur, limit ); + break; + + case '<': + error = skip_string( &cur, limit ); + break; + + case '%': + skip_comment( &cur, limit ); + break; + } + } + + end: + if ( embed != 0 ) + error = FT_THROW( Invalid_File_Format ); + + *acur = cur; + + return error; + } + + + /***********************************************************************/ + /* */ + /* All exported parsing routines handle leading whitespace and stop at */ + /* the first character which isn't part of the just handled token. */ + /* */ + /***********************************************************************/ + + + FT_LOCAL_DEF( void ) + ps_parser_skip_PS_token( PS_Parser parser ) + { + /* Note: PostScript allows any non-delimiting, non-whitespace */ + /* character in a name (PS Ref Manual, 3rd ed, p31). */ + /* PostScript delimiters are (, ), <, >, [, ], {, }, /, and %. */ + + FT_Byte* cur = parser->cursor; + FT_Byte* limit = parser->limit; + FT_Error error = FT_Err_Ok; + + + skip_spaces( &cur, limit ); /* this also skips comments */ + if ( cur >= limit ) + goto Exit; + + /* self-delimiting, single-character tokens */ + if ( *cur == '[' || *cur == ']' ) + { + cur++; + goto Exit; + } + + /* skip balanced expressions (procedures and strings) */ + + if ( *cur == '{' ) /* {...} */ + { + error = skip_procedure( &cur, limit ); + goto Exit; + } + + if ( *cur == '(' ) /* (...) */ + { + error = skip_literal_string( &cur, limit ); + goto Exit; + } + + if ( *cur == '<' ) /* <...> */ + { + if ( cur + 1 < limit && *(cur + 1) == '<' ) /* << */ + { + cur++; + cur++; + } + else + error = skip_string( &cur, limit ); + + goto Exit; + } + + if ( *cur == '>' ) + { + cur++; + if ( cur >= limit || *cur != '>' ) /* >> */ + { + FT_ERROR(( "ps_parser_skip_PS_token:" + " unexpected closing delimiter `>'\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + cur++; + goto Exit; + } + + if ( *cur == '/' ) + cur++; + + /* anything else */ + while ( cur < limit ) + { + /* *cur might be invalid (e.g., ')' or '}'), but this */ + /* is handled by the test `cur == parser->cursor' below */ + if ( IS_PS_DELIM( *cur ) ) + break; + + cur++; + } + + Exit: + if ( cur < limit && cur == parser->cursor ) + { + FT_ERROR(( "ps_parser_skip_PS_token:" + " current token is `%c' which is self-delimiting\n" + " " + " but invalid at this point\n", + *cur )); + + error = FT_THROW( Invalid_File_Format ); + } + + if ( cur > limit ) + cur = limit; + + parser->error = error; + parser->cursor = cur; + } + + + FT_LOCAL_DEF( void ) + ps_parser_skip_spaces( PS_Parser parser ) + { + skip_spaces( &parser->cursor, parser->limit ); + } + + + /* `token' here means either something between balanced delimiters */ + /* or the next token; the delimiters are not removed. */ + + FT_LOCAL_DEF( void ) + ps_parser_to_token( PS_Parser parser, + T1_Token token ) + { + FT_Byte* cur; + FT_Byte* limit; + FT_Int embed; + + + token->type = T1_TOKEN_TYPE_NONE; + token->start = NULL; + token->limit = NULL; + + /* first of all, skip leading whitespace */ + ps_parser_skip_spaces( parser ); + + cur = parser->cursor; + limit = parser->limit; + + if ( cur >= limit ) + return; + + switch ( *cur ) + { + /************* check for literal string *****************/ + case '(': + token->type = T1_TOKEN_TYPE_STRING; + token->start = cur; + + if ( skip_literal_string( &cur, limit ) == FT_Err_Ok ) + token->limit = cur; + break; + + /************* check for programs/array *****************/ + case '{': + token->type = T1_TOKEN_TYPE_ARRAY; + token->start = cur; + + if ( skip_procedure( &cur, limit ) == FT_Err_Ok ) + token->limit = cur; + break; + + /************* check for table/array ********************/ + /* XXX: in theory we should also look for "<<" */ + /* since this is semantically equivalent to "["; */ + /* in practice it doesn't matter (?) */ + case '[': + token->type = T1_TOKEN_TYPE_ARRAY; + embed = 1; + token->start = cur++; + + /* we need this to catch `[ ]' */ + parser->cursor = cur; + ps_parser_skip_spaces( parser ); + cur = parser->cursor; + + while ( cur < limit && !parser->error ) + { + /* XXX: this is wrong because it does not */ + /* skip comments, procedures, and strings */ + if ( *cur == '[' ) + embed++; + else if ( *cur == ']' ) + { + embed--; + if ( embed <= 0 ) + { + token->limit = ++cur; + break; + } + } + + parser->cursor = cur; + ps_parser_skip_PS_token( parser ); + /* we need this to catch `[XXX ]' */ + ps_parser_skip_spaces ( parser ); + cur = parser->cursor; + } + break; + + /* ************ otherwise, it is any token **************/ + default: + token->start = cur; + token->type = ( *cur == '/' ) ? T1_TOKEN_TYPE_KEY : T1_TOKEN_TYPE_ANY; + ps_parser_skip_PS_token( parser ); + cur = parser->cursor; + if ( !parser->error ) + token->limit = cur; + } + + if ( !token->limit ) + { + token->start = NULL; + token->type = T1_TOKEN_TYPE_NONE; + } + + parser->cursor = cur; + } + + + /* NB: `tokens' can be NULL if we only want to count */ + /* the number of array elements */ + + FT_LOCAL_DEF( void ) + ps_parser_to_token_array( PS_Parser parser, + T1_Token tokens, + FT_UInt max_tokens, + FT_Int* pnum_tokens ) + { + T1_TokenRec master; + + + *pnum_tokens = -1; + + /* this also handles leading whitespace */ + ps_parser_to_token( parser, &master ); + + if ( master.type == T1_TOKEN_TYPE_ARRAY ) + { + FT_Byte* old_cursor = parser->cursor; + FT_Byte* old_limit = parser->limit; + T1_Token cur = tokens; + T1_Token limit = cur + max_tokens; + + + /* don't include outermost delimiters */ + parser->cursor = master.start + 1; + parser->limit = master.limit - 1; + + while ( parser->cursor < parser->limit ) + { + T1_TokenRec token; + + + ps_parser_to_token( parser, &token ); + if ( !token.type ) + break; + + if ( tokens && cur < limit ) + *cur = token; + + cur++; + } + + *pnum_tokens = (FT_Int)( cur - tokens ); + + parser->cursor = old_cursor; + parser->limit = old_limit; + } + } + + + /* first character must be a delimiter or a part of a number */ + /* NB: `coords' can be NULL if we just want to skip the */ + /* array; in this case we ignore `max_coords' */ + + static FT_Int + ps_tocoordarray( FT_Byte* *acur, + FT_Byte* limit, + FT_Int max_coords, + FT_Short* coords ) + { + FT_Byte* cur = *acur; + FT_Int count = 0; + FT_Byte c, ender; + + + if ( cur >= limit ) + goto Exit; + + /* check for the beginning of an array; otherwise, only one number */ + /* will be read */ + c = *cur; + ender = 0; + + if ( c == '[' ) + ender = ']'; + else if ( c == '{' ) + ender = '}'; + + if ( ender ) + cur++; + + /* now, read the coordinates */ + while ( cur < limit ) + { + FT_Short dummy; + FT_Byte* old_cur; + + + /* skip whitespace in front of data */ + skip_spaces( &cur, limit ); + if ( cur >= limit ) + goto Exit; + + if ( *cur == ender ) + { + cur++; + break; + } + + old_cur = cur; + + if ( coords && count >= max_coords ) + break; + + /* call PS_Conv_ToFixed() even if coords == NULL */ + /* to properly parse number at `cur' */ + *( coords ? &coords[count] : &dummy ) = + (FT_Short)( PS_Conv_ToFixed( &cur, limit, 0 ) >> 16 ); + + if ( old_cur == cur ) + { + count = -1; + goto Exit; + } + else + count++; + + if ( !ender ) + break; + } + + Exit: + *acur = cur; + return count; + } + + + /* first character must be a delimiter or a part of a number */ + /* NB: `values' can be NULL if we just want to skip the */ + /* array; in this case we ignore `max_values' */ + /* */ + /* return number of successfully parsed values */ + + static FT_Int + ps_tofixedarray( FT_Byte* *acur, + FT_Byte* limit, + FT_Int max_values, + FT_Fixed* values, + FT_Int power_ten ) + { + FT_Byte* cur = *acur; + FT_Int count = 0; + FT_Byte c, ender; + + + if ( cur >= limit ) + goto Exit; + + /* Check for the beginning of an array. Otherwise, only one number */ + /* will be read. */ + c = *cur; + ender = 0; + + if ( c == '[' ) + ender = ']'; + else if ( c == '{' ) + ender = '}'; + + if ( ender ) + cur++; + + /* now, read the values */ + while ( cur < limit ) + { + FT_Fixed dummy; + FT_Byte* old_cur; + + + /* skip whitespace in front of data */ + skip_spaces( &cur, limit ); + if ( cur >= limit ) + goto Exit; + + if ( *cur == ender ) + { + cur++; + break; + } + + old_cur = cur; + + if ( values && count >= max_values ) + break; + + /* call PS_Conv_ToFixed() even if coords == NULL */ + /* to properly parse number at `cur' */ + *( values ? &values[count] : &dummy ) = + PS_Conv_ToFixed( &cur, limit, power_ten ); + + if ( old_cur == cur ) + { + count = -1; + goto Exit; + } + else + count++; + + if ( !ender ) + break; + } + + Exit: + *acur = cur; + return count; + } + + +#if 0 + + static FT_String* + ps_tostring( FT_Byte** cursor, + FT_Byte* limit, + FT_Memory memory ) + { + FT_Byte* cur = *cursor; + FT_UInt len = 0; + FT_Int count; + FT_String* result; + FT_Error error; + + + /* XXX: some stupid fonts have a `Notice' or `Copyright' string */ + /* that simply doesn't begin with an opening parenthesis, even */ + /* though they have a closing one! E.g. "amuncial.pfb" */ + /* */ + /* We must deal with these ill-fated cases there. Note that */ + /* these fonts didn't work with the old Type 1 driver as the */ + /* notice/copyright was not recognized as a valid string token */ + /* and made the old token parser commit errors. */ + + while ( cur < limit && ( *cur == ' ' || *cur == '\t' ) ) + cur++; + if ( cur + 1 >= limit ) + return 0; + + if ( *cur == '(' ) + cur++; /* skip the opening parenthesis, if there is one */ + + *cursor = cur; + count = 0; + + /* then, count its length */ + for ( ; cur < limit; cur++ ) + { + if ( *cur == '(' ) + count++; + + else if ( *cur == ')' ) + { + count--; + if ( count < 0 ) + break; + } + } + + len = (FT_UInt)( cur - *cursor ); + if ( cur >= limit || FT_ALLOC( result, len + 1 ) ) + return 0; + + /* now copy the string */ + FT_MEM_COPY( result, *cursor, len ); + result[len] = '\0'; + *cursor = cur; + return result; + } + +#endif /* 0 */ + + + static int + ps_tobool( FT_Byte* *acur, + FT_Byte* limit ) + { + FT_Byte* cur = *acur; + FT_Bool result = 0; + + + /* return 1 if we find `true', 0 otherwise */ + if ( cur + 3 < limit && + cur[0] == 't' && + cur[1] == 'r' && + cur[2] == 'u' && + cur[3] == 'e' ) + { + result = 1; + cur += 5; + } + else if ( cur + 4 < limit && + cur[0] == 'f' && + cur[1] == 'a' && + cur[2] == 'l' && + cur[3] == 's' && + cur[4] == 'e' ) + { + result = 0; + cur += 6; + } + + *acur = cur; + return result; + } + + + /* load a simple field (i.e. non-table) into the current list of objects */ + + FT_LOCAL_DEF( FT_Error ) + ps_parser_load_field( PS_Parser parser, + const T1_Field field, + void** objects, + FT_UInt max_objects, + FT_ULong* pflags ) + { + T1_TokenRec token; + FT_Byte* cur; + FT_Byte* limit; + FT_UInt count; + FT_UInt idx; + FT_Error error; + T1_FieldType type; + + + /* this also skips leading whitespace */ + ps_parser_to_token( parser, &token ); + if ( !token.type ) + goto Fail; + + count = 1; + idx = 0; + cur = token.start; + limit = token.limit; + + type = field->type; + + /* we must detect arrays in /FontBBox */ + if ( type == T1_FIELD_TYPE_BBOX ) + { + T1_TokenRec token2; + FT_Byte* old_cur = parser->cursor; + FT_Byte* old_limit = parser->limit; + + + /* don't include delimiters */ + parser->cursor = token.start + 1; + parser->limit = token.limit - 1; + + ps_parser_to_token( parser, &token2 ); + parser->cursor = old_cur; + parser->limit = old_limit; + + if ( token2.type == T1_TOKEN_TYPE_ARRAY ) + { + type = T1_FIELD_TYPE_MM_BBOX; + goto FieldArray; + } + } + else if ( token.type == T1_TOKEN_TYPE_ARRAY ) + { + count = max_objects; + + FieldArray: + /* if this is an array and we have no blend, an error occurs */ + if ( max_objects == 0 ) + goto Fail; + + idx = 1; + + /* don't include delimiters */ + cur++; + limit--; + } + + for ( ; count > 0; count--, idx++ ) + { + FT_Byte* q = (FT_Byte*)objects[idx] + field->offset; + FT_Long val; + FT_String* string = NULL; + + + skip_spaces( &cur, limit ); + + switch ( type ) + { + case T1_FIELD_TYPE_BOOL: + val = ps_tobool( &cur, limit ); + goto Store_Integer; + + case T1_FIELD_TYPE_FIXED: + val = PS_Conv_ToFixed( &cur, limit, 0 ); + goto Store_Integer; + + case T1_FIELD_TYPE_FIXED_1000: + val = PS_Conv_ToFixed( &cur, limit, 3 ); + goto Store_Integer; + + case T1_FIELD_TYPE_INTEGER: + val = PS_Conv_ToInt( &cur, limit ); + /* fall through */ + + Store_Integer: + switch ( field->size ) + { + case (8 / FT_CHAR_BIT): + *(FT_Byte*)q = (FT_Byte)val; + break; + + case (16 / FT_CHAR_BIT): + *(FT_UShort*)q = (FT_UShort)val; + break; + + case (32 / FT_CHAR_BIT): + *(FT_UInt32*)q = (FT_UInt32)val; + break; + + default: /* for 64-bit systems */ + *(FT_Long*)q = val; + } + break; + + case T1_FIELD_TYPE_STRING: + case T1_FIELD_TYPE_KEY: + { + FT_Memory memory = parser->memory; + FT_UInt len = (FT_UInt)( limit - cur ); + + + if ( cur >= limit ) + break; + + /* we allow both a string or a name */ + /* for cases like /FontName (foo) def */ + if ( token.type == T1_TOKEN_TYPE_KEY ) + { + /* don't include leading `/' */ + len--; + cur++; + } + else if ( token.type == T1_TOKEN_TYPE_STRING ) + { + /* don't include delimiting parentheses */ + /* XXX we don't handle <<...>> here */ + /* XXX should we convert octal escapes? */ + /* if so, what encoding should we use? */ + cur++; + len -= 2; + } + else + { + FT_ERROR(( "ps_parser_load_field:" + " expected a name or string\n" + " " + " but found token of type %d instead\n", + token.type )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* for this to work (FT_String**)q must have been */ + /* initialized to NULL */ + if ( *(FT_String**)q ) + { + FT_TRACE0(( "ps_parser_load_field: overwriting field %s\n", + field->ident )); + FT_FREE( *(FT_String**)q ); + *(FT_String**)q = NULL; + } + + if ( FT_ALLOC( string, len + 1 ) ) + goto Exit; + + FT_MEM_COPY( string, cur, len ); + string[len] = 0; + + *(FT_String**)q = string; + } + break; + + case T1_FIELD_TYPE_BBOX: + { + FT_Fixed temp[4]; + FT_BBox* bbox = (FT_BBox*)q; + FT_Int result; + + + result = ps_tofixedarray( &cur, limit, 4, temp, 0 ); + + if ( result < 4 ) + { + FT_ERROR(( "ps_parser_load_field:" + " expected four integers in bounding box\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + bbox->xMin = FT_RoundFix( temp[0] ); + bbox->yMin = FT_RoundFix( temp[1] ); + bbox->xMax = FT_RoundFix( temp[2] ); + bbox->yMax = FT_RoundFix( temp[3] ); + } + break; + + case T1_FIELD_TYPE_MM_BBOX: + { + FT_Memory memory = parser->memory; + FT_Fixed* temp = NULL; + FT_Int result; + FT_UInt i; + + + if ( FT_NEW_ARRAY( temp, max_objects * 4 ) ) + goto Exit; + + for ( i = 0; i < 4; i++ ) + { + result = ps_tofixedarray( &cur, limit, (FT_Int)max_objects, + temp + i * max_objects, 0 ); + if ( result < 0 || (FT_UInt)result < max_objects ) + { + FT_ERROR(( "ps_parser_load_field:" + " expected %d integer%s in the %s subarray\n" + " " + " of /FontBBox in the /Blend dictionary\n", + max_objects, max_objects > 1 ? "s" : "", + i == 0 ? "first" + : ( i == 1 ? "second" + : ( i == 2 ? "third" + : "fourth" ) ) )); + error = FT_THROW( Invalid_File_Format ); + + FT_FREE( temp ); + goto Exit; + } + + skip_spaces( &cur, limit ); + } + + for ( i = 0; i < max_objects; i++ ) + { + FT_BBox* bbox = (FT_BBox*)objects[i]; + + + bbox->xMin = FT_RoundFix( temp[i ] ); + bbox->yMin = FT_RoundFix( temp[i + max_objects] ); + bbox->xMax = FT_RoundFix( temp[i + 2 * max_objects] ); + bbox->yMax = FT_RoundFix( temp[i + 3 * max_objects] ); + } + + FT_FREE( temp ); + } + break; + + default: + /* an error occurred */ + goto Fail; + } + } + +#if 0 /* obsolete -- keep for reference */ + if ( pflags ) + *pflags |= 1L << field->flag_bit; +#else + FT_UNUSED( pflags ); +#endif + + error = FT_Err_Ok; + + Exit: + return error; + + Fail: + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + +#define T1_MAX_TABLE_ELEMENTS 32 + + + FT_LOCAL_DEF( FT_Error ) + ps_parser_load_field_table( PS_Parser parser, + const T1_Field field, + void** objects, + FT_UInt max_objects, + FT_ULong* pflags ) + { + T1_TokenRec elements[T1_MAX_TABLE_ELEMENTS]; + T1_Token token; + FT_Int num_elements; + FT_Error error = FT_Err_Ok; + FT_Byte* old_cursor; + FT_Byte* old_limit; + T1_FieldRec fieldrec = *(T1_Field)field; + + + fieldrec.type = T1_FIELD_TYPE_INTEGER; + if ( field->type == T1_FIELD_TYPE_FIXED_ARRAY || + field->type == T1_FIELD_TYPE_BBOX ) + fieldrec.type = T1_FIELD_TYPE_FIXED; + + ps_parser_to_token_array( parser, elements, + T1_MAX_TABLE_ELEMENTS, &num_elements ); + if ( num_elements < 0 ) + { + error = FT_ERR( Ignore ); + goto Exit; + } + if ( (FT_UInt)num_elements > field->array_max ) + num_elements = (FT_Int)field->array_max; + + old_cursor = parser->cursor; + old_limit = parser->limit; + + /* we store the elements count if necessary; */ + /* we further assume that `count_offset' can't be zero */ + if ( field->type != T1_FIELD_TYPE_BBOX && field->count_offset != 0 ) + *(FT_Byte*)( (FT_Byte*)objects[0] + field->count_offset ) = + (FT_Byte)num_elements; + + /* we now load each element, adjusting the field.offset on each one */ + token = elements; + for ( ; num_elements > 0; num_elements--, token++ ) + { + parser->cursor = token->start; + parser->limit = token->limit; + + error = ps_parser_load_field( parser, + &fieldrec, + objects, + max_objects, + 0 ); + if ( error ) + break; + + fieldrec.offset += fieldrec.size; + } + +#if 0 /* obsolete -- keep for reference */ + if ( pflags ) + *pflags |= 1L << field->flag_bit; +#else + FT_UNUSED( pflags ); +#endif + + parser->cursor = old_cursor; + parser->limit = old_limit; + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_Long ) + ps_parser_to_int( PS_Parser parser ) + { + ps_parser_skip_spaces( parser ); + return PS_Conv_ToInt( &parser->cursor, parser->limit ); + } + + + /* first character must be `<' if `delimiters' is non-zero */ + + FT_LOCAL_DEF( FT_Error ) + ps_parser_to_bytes( PS_Parser parser, + FT_Byte* bytes, + FT_Offset max_bytes, + FT_ULong* pnum_bytes, + FT_Bool delimiters ) + { + FT_Error error = FT_Err_Ok; + FT_Byte* cur; + + + ps_parser_skip_spaces( parser ); + cur = parser->cursor; + + if ( cur >= parser->limit ) + goto Exit; + + if ( delimiters ) + { + if ( *cur != '<' ) + { + FT_ERROR(( "ps_parser_to_bytes: Missing starting delimiter `<'\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + cur++; + } + + *pnum_bytes = PS_Conv_ASCIIHexDecode( &cur, + parser->limit, + bytes, + max_bytes ); + + if ( delimiters ) + { + if ( cur < parser->limit && *cur != '>' ) + { + FT_ERROR(( "ps_parser_to_bytes: Missing closing delimiter `>'\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + cur++; + } + + parser->cursor = cur; + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_Fixed ) + ps_parser_to_fixed( PS_Parser parser, + FT_Int power_ten ) + { + ps_parser_skip_spaces( parser ); + return PS_Conv_ToFixed( &parser->cursor, parser->limit, power_ten ); + } + + + FT_LOCAL_DEF( FT_Int ) + ps_parser_to_coord_array( PS_Parser parser, + FT_Int max_coords, + FT_Short* coords ) + { + ps_parser_skip_spaces( parser ); + return ps_tocoordarray( &parser->cursor, parser->limit, + max_coords, coords ); + } + + + FT_LOCAL_DEF( FT_Int ) + ps_parser_to_fixed_array( PS_Parser parser, + FT_Int max_values, + FT_Fixed* values, + FT_Int power_ten ) + { + ps_parser_skip_spaces( parser ); + return ps_tofixedarray( &parser->cursor, parser->limit, + max_values, values, power_ten ); + } + + +#if 0 + + FT_LOCAL_DEF( FT_String* ) + T1_ToString( PS_Parser parser ) + { + return ps_tostring( &parser->cursor, parser->limit, parser->memory ); + } + + + FT_LOCAL_DEF( FT_Bool ) + T1_ToBool( PS_Parser parser ) + { + return ps_tobool( &parser->cursor, parser->limit ); + } + +#endif /* 0 */ + + + FT_LOCAL_DEF( void ) + ps_parser_init( PS_Parser parser, + FT_Byte* base, + FT_Byte* limit, + FT_Memory memory ) + { + parser->error = FT_Err_Ok; + parser->base = base; + parser->limit = limit; + parser->cursor = base; + parser->memory = memory; + parser->funcs = ps_parser_funcs; + } + + + FT_LOCAL_DEF( void ) + ps_parser_done( PS_Parser parser ) + { + FT_UNUSED( parser ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1 BUILDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Function> */ + /* t1_builder_init */ + /* */ + /* <Description> */ + /* Initializes a given glyph builder. */ + /* */ + /* <InOut> */ + /* builder :: A pointer to the glyph builder to initialize. */ + /* */ + /* <Input> */ + /* face :: The current face object. */ + /* */ + /* size :: The current size object. */ + /* */ + /* glyph :: The current glyph object. */ + /* */ + /* hinting :: Whether hinting should be applied. */ + /* */ + FT_LOCAL_DEF( void ) + t1_builder_init( T1_Builder builder, + FT_Face face, + FT_Size size, + FT_GlyphSlot glyph, + FT_Bool hinting ) + { + builder->parse_state = T1_Parse_Start; + builder->load_points = 1; + + builder->face = face; + builder->glyph = glyph; + builder->memory = face->memory; + + if ( glyph ) + { + FT_GlyphLoader loader = glyph->internal->loader; + + + builder->loader = loader; + builder->base = &loader->base.outline; + builder->current = &loader->current.outline; + FT_GlyphLoader_Rewind( loader ); + + builder->hints_globals = size->internal->module_data; + builder->hints_funcs = NULL; + + if ( hinting ) + builder->hints_funcs = glyph->internal->glyph_hints; + } + + builder->pos_x = 0; + builder->pos_y = 0; + + builder->left_bearing.x = 0; + builder->left_bearing.y = 0; + builder->advance.x = 0; + builder->advance.y = 0; + + builder->funcs = t1_builder_funcs; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* t1_builder_done */ + /* */ + /* <Description> */ + /* Finalizes a given glyph builder. Its contents can still be used */ + /* after the call, but the function saves important information */ + /* within the corresponding glyph slot. */ + /* */ + /* <Input> */ + /* builder :: A pointer to the glyph builder to finalize. */ + /* */ + FT_LOCAL_DEF( void ) + t1_builder_done( T1_Builder builder ) + { + FT_GlyphSlot glyph = builder->glyph; + + + if ( glyph ) + glyph->outline = *builder->base; + } + + + /* check that there is enough space for `count' more points */ + FT_LOCAL_DEF( FT_Error ) + t1_builder_check_points( T1_Builder builder, + FT_Int count ) + { + return FT_GLYPHLOADER_CHECK_POINTS( builder->loader, count, 0 ); + } + + + /* add a new point, do not check space */ + FT_LOCAL_DEF( void ) + t1_builder_add_point( T1_Builder builder, + FT_Pos x, + FT_Pos y, + FT_Byte flag ) + { + FT_Outline* outline = builder->current; + + + if ( builder->load_points ) + { + FT_Vector* point = outline->points + outline->n_points; + FT_Byte* control = (FT_Byte*)outline->tags + outline->n_points; + + + point->x = FIXED_TO_INT( x ); + point->y = FIXED_TO_INT( y ); + *control = (FT_Byte)( flag ? FT_CURVE_TAG_ON : FT_CURVE_TAG_CUBIC ); + } + outline->n_points++; + } + + + /* check space for a new on-curve point, then add it */ + FT_LOCAL_DEF( FT_Error ) + t1_builder_add_point1( T1_Builder builder, + FT_Pos x, + FT_Pos y ) + { + FT_Error error; + + + error = t1_builder_check_points( builder, 1 ); + if ( !error ) + t1_builder_add_point( builder, x, y, 1 ); + + return error; + } + + + /* check space for a new contour, then add it */ + FT_LOCAL_DEF( FT_Error ) + t1_builder_add_contour( T1_Builder builder ) + { + FT_Outline* outline = builder->current; + FT_Error error; + + + /* this might happen in invalid fonts */ + if ( !outline ) + { + FT_ERROR(( "t1_builder_add_contour: no outline to add points to\n" )); + return FT_THROW( Invalid_File_Format ); + } + + if ( !builder->load_points ) + { + outline->n_contours++; + return FT_Err_Ok; + } + + error = FT_GLYPHLOADER_CHECK_POINTS( builder->loader, 0, 1 ); + if ( !error ) + { + if ( outline->n_contours > 0 ) + outline->contours[outline->n_contours - 1] = + (short)( outline->n_points - 1 ); + + outline->n_contours++; + } + + return error; + } + + + /* if a path was begun, add its first on-curve point */ + FT_LOCAL_DEF( FT_Error ) + t1_builder_start_point( T1_Builder builder, + FT_Pos x, + FT_Pos y ) + { + FT_Error error = FT_ERR( Invalid_File_Format ); + + + /* test whether we are building a new contour */ + + if ( builder->parse_state == T1_Parse_Have_Path ) + error = FT_Err_Ok; + else + { + builder->parse_state = T1_Parse_Have_Path; + error = t1_builder_add_contour( builder ); + if ( !error ) + error = t1_builder_add_point1( builder, x, y ); + } + + return error; + } + + + /* close the current contour */ + FT_LOCAL_DEF( void ) + t1_builder_close_contour( T1_Builder builder ) + { + FT_Outline* outline = builder->current; + FT_Int first; + + + if ( !outline ) + return; + + first = outline->n_contours <= 1 + ? 0 : outline->contours[outline->n_contours - 2] + 1; + + /* in malformed fonts it can happen that a contour was started */ + /* but no points were added */ + if ( outline->n_contours && first == outline->n_points ) + { + outline->n_contours--; + return; + } + + /* We must not include the last point in the path if it */ + /* is located on the first point. */ + if ( outline->n_points > 1 ) + { + FT_Vector* p1 = outline->points + first; + FT_Vector* p2 = outline->points + outline->n_points - 1; + FT_Byte* control = (FT_Byte*)outline->tags + outline->n_points - 1; + + + /* `delete' last point only if it coincides with the first */ + /* point and it is not a control point (which can happen). */ + if ( p1->x == p2->x && p1->y == p2->y ) + if ( *control == FT_CURVE_TAG_ON ) + outline->n_points--; + } + + if ( outline->n_contours > 0 ) + { + /* Don't add contours only consisting of one point, i.e., */ + /* check whether the first and the last point is the same. */ + if ( first == outline->n_points - 1 ) + { + outline->n_contours--; + outline->n_points--; + } + else + outline->contours[outline->n_contours - 1] = + (short)( outline->n_points - 1 ); + } + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** CFF BUILDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cff_builder_init */ + /* */ + /* <Description> */ + /* Initializes a given glyph builder. */ + /* */ + /* <InOut> */ + /* builder :: A pointer to the glyph builder to initialize. */ + /* */ + /* <Input> */ + /* face :: The current face object. */ + /* */ + /* size :: The current size object. */ + /* */ + /* glyph :: The current glyph object. */ + /* */ + /* hinting :: Whether hinting is active. */ + /* */ + FT_LOCAL_DEF( void ) + cff_builder_init( CFF_Builder* builder, + TT_Face face, + CFF_Size size, + CFF_GlyphSlot glyph, + FT_Bool hinting ) + { + builder->path_begun = 0; + builder->load_points = 1; + + builder->face = face; + builder->glyph = glyph; + builder->memory = face->root.memory; + + if ( glyph ) + { + FT_GlyphLoader loader = glyph->root.internal->loader; + + + builder->loader = loader; + builder->base = &loader->base.outline; + builder->current = &loader->current.outline; + FT_GlyphLoader_Rewind( loader ); + + builder->hints_globals = NULL; + builder->hints_funcs = NULL; + + if ( hinting && size ) + { + FT_Size ftsize = FT_SIZE( size ); + CFF_Internal internal = (CFF_Internal)ftsize->internal->module_data; + + if ( internal ) + { + builder->hints_globals = (void *)internal->topfont; + builder->hints_funcs = glyph->root.internal->glyph_hints; + } + } + } + + builder->pos_x = 0; + builder->pos_y = 0; + + builder->left_bearing.x = 0; + builder->left_bearing.y = 0; + builder->advance.x = 0; + builder->advance.y = 0; + + builder->funcs = cff_builder_funcs; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* cff_builder_done */ + /* */ + /* <Description> */ + /* Finalizes a given glyph builder. Its contents can still be used */ + /* after the call, but the function saves important information */ + /* within the corresponding glyph slot. */ + /* */ + /* <Input> */ + /* builder :: A pointer to the glyph builder to finalize. */ + /* */ + FT_LOCAL_DEF( void ) + cff_builder_done( CFF_Builder* builder ) + { + CFF_GlyphSlot glyph = builder->glyph; + + + if ( glyph ) + glyph->root.outline = *builder->base; + } + + + /* check that there is enough space for `count' more points */ + FT_LOCAL_DEF( FT_Error ) + cff_check_points( CFF_Builder* builder, + FT_Int count ) + { + return FT_GLYPHLOADER_CHECK_POINTS( builder->loader, count, 0 ); + } + + + /* add a new point, do not check space */ + FT_LOCAL_DEF( void ) + cff_builder_add_point( CFF_Builder* builder, + FT_Pos x, + FT_Pos y, + FT_Byte flag ) + { + FT_Outline* outline = builder->current; + + + if ( builder->load_points ) + { + FT_Vector* point = outline->points + outline->n_points; + FT_Byte* control = (FT_Byte*)outline->tags + outline->n_points; + +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + PS_Driver driver = (PS_Driver)FT_FACE_DRIVER( builder->face ); + + + if ( driver->hinting_engine == FT_HINTING_FREETYPE ) + { + point->x = x >> 16; + point->y = y >> 16; + } + else +#endif + { + /* cf2_decoder_parse_charstrings uses 16.16 coordinates */ + point->x = x >> 10; + point->y = y >> 10; + } + *control = (FT_Byte)( flag ? FT_CURVE_TAG_ON : FT_CURVE_TAG_CUBIC ); + } + + outline->n_points++; + } + + + /* check space for a new on-curve point, then add it */ + FT_LOCAL_DEF( FT_Error ) + cff_builder_add_point1( CFF_Builder* builder, + FT_Pos x, + FT_Pos y ) + { + FT_Error error; + + + error = cff_check_points( builder, 1 ); + if ( !error ) + cff_builder_add_point( builder, x, y, 1 ); + + return error; + } + + + /* check space for a new contour, then add it */ + FT_LOCAL_DEF( FT_Error ) + cff_builder_add_contour( CFF_Builder* builder ) + { + FT_Outline* outline = builder->current; + FT_Error error; + + + if ( !builder->load_points ) + { + outline->n_contours++; + return FT_Err_Ok; + } + + error = FT_GLYPHLOADER_CHECK_POINTS( builder->loader, 0, 1 ); + if ( !error ) + { + if ( outline->n_contours > 0 ) + outline->contours[outline->n_contours - 1] = + (short)( outline->n_points - 1 ); + + outline->n_contours++; + } + + return error; + } + + + /* if a path was begun, add its first on-curve point */ + FT_LOCAL_DEF( FT_Error ) + cff_builder_start_point( CFF_Builder* builder, + FT_Pos x, + FT_Pos y ) + { + FT_Error error = FT_Err_Ok; + + + /* test whether we are building a new contour */ + if ( !builder->path_begun ) + { + builder->path_begun = 1; + error = cff_builder_add_contour( builder ); + if ( !error ) + error = cff_builder_add_point1( builder, x, y ); + } + + return error; + } + + + /* close the current contour */ + FT_LOCAL_DEF( void ) + cff_builder_close_contour( CFF_Builder* builder ) + { + FT_Outline* outline = builder->current; + FT_Int first; + + + if ( !outline ) + return; + + first = outline->n_contours <= 1 + ? 0 : outline->contours[outline->n_contours - 2] + 1; + + /* We must not include the last point in the path if it */ + /* is located on the first point. */ + if ( outline->n_points > 1 ) + { + FT_Vector* p1 = outline->points + first; + FT_Vector* p2 = outline->points + outline->n_points - 1; + FT_Byte* control = (FT_Byte*)outline->tags + outline->n_points - 1; + + + /* `delete' last point only if it coincides with the first */ + /* point and if it is not a control point (which can happen). */ + if ( p1->x == p2->x && p1->y == p2->y ) + if ( *control == FT_CURVE_TAG_ON ) + outline->n_points--; + } + + if ( outline->n_contours > 0 ) + { + /* Don't add contours only consisting of one point, i.e., */ + /* check whether begin point and last point are the same. */ + if ( first == outline->n_points - 1 ) + { + outline->n_contours--; + outline->n_points--; + } + else + outline->contours[outline->n_contours - 1] = + (short)( outline->n_points - 1 ); + } + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PS BUILDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ps_builder_init */ + /* */ + /* <Description> */ + /* Initializes a given glyph builder. */ + /* */ + /* <InOut> */ + /* builder :: A pointer to the glyph builder to initialize. */ + /* */ + /* <Input> */ + /* face :: The current face object. */ + /* */ + /* size :: The current size object. */ + /* */ + /* glyph :: The current glyph object. */ + /* */ + /* hinting :: Whether hinting should be applied. */ + /* */ + FT_LOCAL_DEF( void ) + ps_builder_init( PS_Builder* ps_builder, + void* builder, + FT_Bool is_t1 ) + { + FT_ZERO( ps_builder ); + + if ( is_t1 ) + { + T1_Builder t1builder = (T1_Builder)builder; + + + ps_builder->memory = t1builder->memory; + ps_builder->face = (FT_Face)t1builder->face; + ps_builder->glyph = (CFF_GlyphSlot)t1builder->glyph; + ps_builder->loader = t1builder->loader; + ps_builder->base = t1builder->base; + ps_builder->current = t1builder->current; + + ps_builder->pos_x = &t1builder->pos_x; + ps_builder->pos_y = &t1builder->pos_y; + + ps_builder->left_bearing = &t1builder->left_bearing; + ps_builder->advance = &t1builder->advance; + + ps_builder->bbox = &t1builder->bbox; + ps_builder->path_begun = 0; + ps_builder->load_points = t1builder->load_points; + ps_builder->no_recurse = t1builder->no_recurse; + + ps_builder->metrics_only = t1builder->metrics_only; + } + else + { + CFF_Builder* cffbuilder = (CFF_Builder*)builder; + + + ps_builder->memory = cffbuilder->memory; + ps_builder->face = (FT_Face)cffbuilder->face; + ps_builder->glyph = cffbuilder->glyph; + ps_builder->loader = cffbuilder->loader; + ps_builder->base = cffbuilder->base; + ps_builder->current = cffbuilder->current; + + ps_builder->pos_x = &cffbuilder->pos_x; + ps_builder->pos_y = &cffbuilder->pos_y; + + ps_builder->left_bearing = &cffbuilder->left_bearing; + ps_builder->advance = &cffbuilder->advance; + + ps_builder->bbox = &cffbuilder->bbox; + ps_builder->path_begun = cffbuilder->path_begun; + ps_builder->load_points = cffbuilder->load_points; + ps_builder->no_recurse = cffbuilder->no_recurse; + + ps_builder->metrics_only = cffbuilder->metrics_only; + } + + ps_builder->is_t1 = is_t1; + ps_builder->funcs = ps_builder_funcs; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ps_builder_done */ + /* */ + /* <Description> */ + /* Finalizes a given glyph builder. Its contents can still be used */ + /* after the call, but the function saves important information */ + /* within the corresponding glyph slot. */ + /* */ + /* <Input> */ + /* builder :: A pointer to the glyph builder to finalize. */ + /* */ + FT_LOCAL_DEF( void ) + ps_builder_done( PS_Builder* builder ) + { + CFF_GlyphSlot glyph = builder->glyph; + + + if ( glyph ) + glyph->root.outline = *builder->base; + } + + + /* check that there is enough space for `count' more points */ + FT_LOCAL_DEF( FT_Error ) + ps_builder_check_points( PS_Builder* builder, + FT_Int count ) + { + return FT_GLYPHLOADER_CHECK_POINTS( builder->loader, count, 0 ); + } + + + /* add a new point, do not check space */ + FT_LOCAL_DEF( void ) + ps_builder_add_point( PS_Builder* builder, + FT_Pos x, + FT_Pos y, + FT_Byte flag ) + { + FT_Outline* outline = builder->current; + + + if ( builder->load_points ) + { + FT_Vector* point = outline->points + outline->n_points; + FT_Byte* control = (FT_Byte*)outline->tags + outline->n_points; + +#ifdef CFF_CONFIG_OPTION_OLD_ENGINE + PS_Driver driver = (PS_Driver)FT_FACE_DRIVER( builder->face ); + + + if ( !builder->is_t1 && + driver->hinting_engine == FT_HINTING_FREETYPE ) + { + point->x = x >> 16; + point->y = y >> 16; + } + else +#endif +#ifdef T1_CONFIG_OPTION_OLD_ENGINE +#ifndef CFF_CONFIG_OPTION_OLD_ENGINE + PS_Driver driver = (PS_Driver)FT_FACE_DRIVER( builder->face ); +#endif + if ( builder->is_t1 && + driver->hinting_engine == FT_HINTING_FREETYPE ) + { + point->x = FIXED_TO_INT( x ); + point->y = FIXED_TO_INT( y ); + } + else +#endif + { + /* cf2_decoder_parse_charstrings uses 16.16 coordinates */ + point->x = x >> 10; + point->y = y >> 10; + } + *control = (FT_Byte)( flag ? FT_CURVE_TAG_ON : FT_CURVE_TAG_CUBIC ); + } + outline->n_points++; + } + + + /* check space for a new on-curve point, then add it */ + FT_LOCAL_DEF( FT_Error ) + ps_builder_add_point1( PS_Builder* builder, + FT_Pos x, + FT_Pos y ) + { + FT_Error error; + + + error = ps_builder_check_points( builder, 1 ); + if ( !error ) + ps_builder_add_point( builder, x, y, 1 ); + + return error; + } + + + /* check space for a new contour, then add it */ + FT_LOCAL_DEF( FT_Error ) + ps_builder_add_contour( PS_Builder* builder ) + { + FT_Outline* outline = builder->current; + FT_Error error; + + + /* this might happen in invalid fonts */ + if ( !outline ) + { + FT_ERROR(( "ps_builder_add_contour: no outline to add points to\n" )); + return FT_THROW( Invalid_File_Format ); + } + + if ( !builder->load_points ) + { + outline->n_contours++; + return FT_Err_Ok; + } + + error = FT_GLYPHLOADER_CHECK_POINTS( builder->loader, 0, 1 ); + if ( !error ) + { + if ( outline->n_contours > 0 ) + outline->contours[outline->n_contours - 1] = + (short)( outline->n_points - 1 ); + + outline->n_contours++; + } + + return error; + } + + + /* if a path was begun, add its first on-curve point */ + FT_LOCAL_DEF( FT_Error ) + ps_builder_start_point( PS_Builder* builder, + FT_Pos x, + FT_Pos y ) + { + FT_Error error = FT_Err_Ok; + + + /* test whether we are building a new contour */ + if ( !builder->path_begun ) + { + builder->path_begun = 1; + error = ps_builder_add_contour( builder ); + if ( !error ) + error = ps_builder_add_point1( builder, x, y ); + } + + return error; + } + + + /* close the current contour */ + FT_LOCAL_DEF( void ) + ps_builder_close_contour( PS_Builder* builder ) + { + FT_Outline* outline = builder->current; + FT_Int first; + + + if ( !outline ) + return; + + first = outline->n_contours <= 1 + ? 0 : outline->contours[outline->n_contours - 2] + 1; + + /* in malformed fonts it can happen that a contour was started */ + /* but no points were added */ + if ( outline->n_contours && first == outline->n_points ) + { + outline->n_contours--; + return; + } + + /* We must not include the last point in the path if it */ + /* is located on the first point. */ + if ( outline->n_points > 1 ) + { + FT_Vector* p1 = outline->points + first; + FT_Vector* p2 = outline->points + outline->n_points - 1; + FT_Byte* control = (FT_Byte*)outline->tags + outline->n_points - 1; + + + /* `delete' last point only if it coincides with the first */ + /* point and it is not a control point (which can happen). */ + if ( p1->x == p2->x && p1->y == p2->y ) + if ( *control == FT_CURVE_TAG_ON ) + outline->n_points--; + } + + if ( outline->n_contours > 0 ) + { + /* Don't add contours only consisting of one point, i.e., */ + /* check whether the first and the last point is the same. */ + if ( first == outline->n_points - 1 ) + { + outline->n_contours--; + outline->n_points--; + } + else + outline->contours[outline->n_contours - 1] = + (short)( outline->n_points - 1 ); + } + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** OTHER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ps_decoder_init */ + /* */ + /* <Description> */ + /* Creates a wrapper decoder for use in the combined */ + /* Type 1 / CFF interpreter. */ + /* */ + /* <InOut> */ + /* ps_decoder :: A pointer to the decoder to initialize. */ + /* */ + /* <Input> */ + /* decoder :: A pointer to the original decoder. */ + /* */ + /* is_t1 :: Flag indicating Type 1 or CFF */ + /* */ + FT_LOCAL_DEF( void ) + ps_decoder_init( PS_Decoder* ps_decoder, + void* decoder, + FT_Bool is_t1 ) + { + FT_ZERO( ps_decoder ); + + if ( is_t1 ) + { + T1_Decoder t1_decoder = (T1_Decoder)decoder; + + + ps_builder_init( &ps_decoder->builder, + &t1_decoder->builder, + is_t1 ); + + ps_decoder->cf2_instance = &t1_decoder->cf2_instance; + ps_decoder->psnames = t1_decoder->psnames; + + ps_decoder->num_glyphs = t1_decoder->num_glyphs; + ps_decoder->glyph_names = t1_decoder->glyph_names; + ps_decoder->hint_mode = t1_decoder->hint_mode; + ps_decoder->blend = t1_decoder->blend; + + ps_decoder->num_locals = (FT_UInt)t1_decoder->num_subrs; + ps_decoder->locals = t1_decoder->subrs; + ps_decoder->locals_len = t1_decoder->subrs_len; + ps_decoder->locals_hash = t1_decoder->subrs_hash; + + ps_decoder->buildchar = t1_decoder->buildchar; + ps_decoder->len_buildchar = t1_decoder->len_buildchar; + + ps_decoder->lenIV = t1_decoder->lenIV; + } + else + { + CFF_Decoder* cff_decoder = (CFF_Decoder*)decoder; + + + ps_builder_init( &ps_decoder->builder, + &cff_decoder->builder, + is_t1 ); + + ps_decoder->cff = cff_decoder->cff; + ps_decoder->cf2_instance = &cff_decoder->cff->cf2_instance; + ps_decoder->current_subfont = cff_decoder->current_subfont; + + ps_decoder->num_globals = cff_decoder->num_globals; + ps_decoder->globals = cff_decoder->globals; + ps_decoder->globals_bias = cff_decoder->globals_bias; + ps_decoder->num_locals = cff_decoder->num_locals; + ps_decoder->locals = cff_decoder->locals; + ps_decoder->locals_bias = cff_decoder->locals_bias; + + ps_decoder->glyph_width = &cff_decoder->glyph_width; + ps_decoder->width_only = cff_decoder->width_only; + + ps_decoder->hint_mode = cff_decoder->hint_mode; + + ps_decoder->get_glyph_callback = cff_decoder->get_glyph_callback; + ps_decoder->free_glyph_callback = cff_decoder->free_glyph_callback; + } + } + + + /* Synthesize a SubFont object for Type 1 fonts, for use in the */ + /* new interpreter to access Private dict data. */ + FT_LOCAL_DEF( void ) + t1_make_subfont( FT_Face face, + PS_Private priv, + CFF_SubFont subfont ) + { + CFF_Private cpriv = &subfont->private_dict; + FT_UInt n, count; + + + FT_ZERO( subfont ); + FT_ZERO( cpriv ); + + count = cpriv->num_blue_values = priv->num_blue_values; + for ( n = 0; n < count; n++ ) + cpriv->blue_values[n] = (FT_Pos)priv->blue_values[n]; + + count = cpriv->num_other_blues = priv->num_other_blues; + for ( n = 0; n < count; n++ ) + cpriv->other_blues[n] = (FT_Pos)priv->other_blues[n]; + + count = cpriv->num_family_blues = priv->num_family_blues; + for ( n = 0; n < count; n++ ) + cpriv->family_blues[n] = (FT_Pos)priv->family_blues[n]; + + count = cpriv->num_family_other_blues = priv->num_family_other_blues; + for ( n = 0; n < count; n++ ) + cpriv->family_other_blues[n] = (FT_Pos)priv->family_other_blues[n]; + + cpriv->blue_scale = priv->blue_scale; + cpriv->blue_shift = (FT_Pos)priv->blue_shift; + cpriv->blue_fuzz = (FT_Pos)priv->blue_fuzz; + + cpriv->standard_width = (FT_Pos)priv->standard_width[0]; + cpriv->standard_height = (FT_Pos)priv->standard_height[0]; + + count = cpriv->num_snap_widths = priv->num_snap_widths; + for ( n = 0; n < count; n++ ) + cpriv->snap_widths[n] = (FT_Pos)priv->snap_widths[n]; + + count = cpriv->num_snap_heights = priv->num_snap_heights; + for ( n = 0; n < count; n++ ) + cpriv->snap_heights[n] = (FT_Pos)priv->snap_heights[n]; + + cpriv->force_bold = priv->force_bold; + cpriv->lenIV = priv->lenIV; + cpriv->language_group = priv->language_group; + cpriv->expansion_factor = priv->expansion_factor; + + cpriv->subfont = subfont; + + + /* Initialize the random number generator. */ + if ( face->internal->random_seed != -1 ) + { + /* If we have a face-specific seed, use it. */ + /* If non-zero, update it to a positive value. */ + subfont->random = (FT_UInt32)face->internal->random_seed; + if ( face->internal->random_seed ) + { + do + { + face->internal->random_seed = (FT_Int32)cff_random( + (FT_UInt32)face->internal->random_seed ); + + } while ( face->internal->random_seed < 0 ); + } + } + if ( !subfont->random ) + { + FT_UInt32 seed; + + + /* compute random seed from some memory addresses */ + seed = (FT_UInt32)( (FT_Offset)(char*)&seed ^ + (FT_Offset)(char*)&face ^ + (FT_Offset)(char*)&subfont ); + seed = seed ^ ( seed >> 10 ) ^ ( seed >> 20 ); + if ( seed == 0 ) + seed = 0x7384; + + subfont->random = seed; + } + } + + + FT_LOCAL_DEF( void ) + t1_decrypt( FT_Byte* buffer, + FT_Offset length, + FT_UShort seed ) + { + PS_Conv_EexecDecode( &buffer, + buffer + length, + buffer, + length, + &seed ); + } + + + FT_LOCAL_DEF( FT_UInt32 ) + cff_random( FT_UInt32 r ) + { + /* a 32bit version of the `xorshift' algorithm */ + r ^= r << 13; + r ^= r >> 17; + r ^= r << 5; + + return r; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psobjs.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psobjs.h new file mode 100644 index 00000000000..8e0fe5fa4c0 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psobjs.h @@ -0,0 +1,313 @@ +/***************************************************************************/ +/* */ +/* psobjs.h */ +/* */ +/* Auxiliary functions for PostScript fonts (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSOBJS_H_ +#define PSOBJS_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_INTERNAL_CFF_OBJECTS_TYPES_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1_TABLE *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + FT_CALLBACK_TABLE + const PS_Table_FuncsRec ps_table_funcs; + + FT_CALLBACK_TABLE + const PS_Parser_FuncsRec ps_parser_funcs; + + FT_CALLBACK_TABLE + const T1_Builder_FuncsRec t1_builder_funcs; + + + FT_LOCAL( FT_Error ) + ps_table_new( PS_Table table, + FT_Int count, + FT_Memory memory ); + + FT_LOCAL( FT_Error ) + ps_table_add( PS_Table table, + FT_Int idx, + void* object, + FT_UInt length ); + + FT_LOCAL( void ) + ps_table_done( PS_Table table ); + + + FT_LOCAL( void ) + ps_table_release( PS_Table table ); + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1 PARSER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + FT_LOCAL( void ) + ps_parser_skip_spaces( PS_Parser parser ); + + FT_LOCAL( void ) + ps_parser_skip_PS_token( PS_Parser parser ); + + FT_LOCAL( void ) + ps_parser_to_token( PS_Parser parser, + T1_Token token ); + + FT_LOCAL( void ) + ps_parser_to_token_array( PS_Parser parser, + T1_Token tokens, + FT_UInt max_tokens, + FT_Int* pnum_tokens ); + + FT_LOCAL( FT_Error ) + ps_parser_load_field( PS_Parser parser, + const T1_Field field, + void** objects, + FT_UInt max_objects, + FT_ULong* pflags ); + + FT_LOCAL( FT_Error ) + ps_parser_load_field_table( PS_Parser parser, + const T1_Field field, + void** objects, + FT_UInt max_objects, + FT_ULong* pflags ); + + FT_LOCAL( FT_Long ) + ps_parser_to_int( PS_Parser parser ); + + + FT_LOCAL( FT_Error ) + ps_parser_to_bytes( PS_Parser parser, + FT_Byte* bytes, + FT_Offset max_bytes, + FT_ULong* pnum_bytes, + FT_Bool delimiters ); + + + FT_LOCAL( FT_Fixed ) + ps_parser_to_fixed( PS_Parser parser, + FT_Int power_ten ); + + + FT_LOCAL( FT_Int ) + ps_parser_to_coord_array( PS_Parser parser, + FT_Int max_coords, + FT_Short* coords ); + + FT_LOCAL( FT_Int ) + ps_parser_to_fixed_array( PS_Parser parser, + FT_Int max_values, + FT_Fixed* values, + FT_Int power_ten ); + + + FT_LOCAL( void ) + ps_parser_init( PS_Parser parser, + FT_Byte* base, + FT_Byte* limit, + FT_Memory memory ); + + FT_LOCAL( void ) + ps_parser_done( PS_Parser parser ); + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** T1 BUILDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + FT_LOCAL( void ) + t1_builder_init( T1_Builder builder, + FT_Face face, + FT_Size size, + FT_GlyphSlot glyph, + FT_Bool hinting ); + + FT_LOCAL( void ) + t1_builder_done( T1_Builder builder ); + + FT_LOCAL( FT_Error ) + t1_builder_check_points( T1_Builder builder, + FT_Int count ); + + FT_LOCAL( void ) + t1_builder_add_point( T1_Builder builder, + FT_Pos x, + FT_Pos y, + FT_Byte flag ); + + FT_LOCAL( FT_Error ) + t1_builder_add_point1( T1_Builder builder, + FT_Pos x, + FT_Pos y ); + + FT_LOCAL( FT_Error ) + t1_builder_add_contour( T1_Builder builder ); + + + FT_LOCAL( FT_Error ) + t1_builder_start_point( T1_Builder builder, + FT_Pos x, + FT_Pos y ); + + + FT_LOCAL( void ) + t1_builder_close_contour( T1_Builder builder ); + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** CFF BUILDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + FT_LOCAL( void ) + cff_builder_init( CFF_Builder* builder, + TT_Face face, + CFF_Size size, + CFF_GlyphSlot glyph, + FT_Bool hinting ); + + FT_LOCAL( void ) + cff_builder_done( CFF_Builder* builder ); + + FT_LOCAL( FT_Error ) + cff_check_points( CFF_Builder* builder, + FT_Int count ); + + FT_LOCAL( void ) + cff_builder_add_point( CFF_Builder* builder, + FT_Pos x, + FT_Pos y, + FT_Byte flag ); + FT_LOCAL( FT_Error ) + cff_builder_add_point1( CFF_Builder* builder, + FT_Pos x, + FT_Pos y ); + FT_LOCAL( FT_Error ) + cff_builder_start_point( CFF_Builder* builder, + FT_Pos x, + FT_Pos y ); + FT_LOCAL( void ) + cff_builder_close_contour( CFF_Builder* builder ); + + FT_LOCAL( FT_Error ) + cff_builder_add_contour( CFF_Builder* builder ); + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PS BUILDER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + FT_LOCAL( void ) + ps_builder_init( PS_Builder* ps_builder, + void* builder, + FT_Bool is_t1 ); + + + FT_LOCAL( void ) + ps_builder_done( PS_Builder* builder ); + + FT_LOCAL( FT_Error ) + ps_builder_check_points( PS_Builder* builder, + FT_Int count ); + + FT_LOCAL( void ) + ps_builder_add_point( PS_Builder* builder, + FT_Pos x, + FT_Pos y, + FT_Byte flag ); + + FT_LOCAL( FT_Error ) + ps_builder_add_point1( PS_Builder* builder, + FT_Pos x, + FT_Pos y ); + + FT_LOCAL( FT_Error ) + ps_builder_add_contour( PS_Builder* builder ); + + FT_LOCAL( FT_Error ) + ps_builder_start_point( PS_Builder* builder, + FT_Pos x, + FT_Pos y ); + + FT_LOCAL( void ) + ps_builder_close_contour( PS_Builder* builder ); + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** OTHER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + FT_LOCAL( void ) + ps_decoder_init( PS_Decoder* ps_decoder, + void* decoder, + FT_Bool is_t1 ); + + FT_LOCAL( void ) + t1_make_subfont( FT_Face face, + PS_Private priv, + CFF_SubFont subfont ); + + FT_LOCAL( void ) + t1_decrypt( FT_Byte* buffer, + FT_Offset length, + FT_UShort seed ); + + + FT_LOCAL( FT_UInt32 ) + cff_random( FT_UInt32 r ); + + +FT_END_HEADER + +#endif /* PSOBJS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psread.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psread.c new file mode 100644 index 00000000000..719863ce178 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psread.c @@ -0,0 +1,112 @@ +/***************************************************************************/ +/* */ +/* psread.c */ +/* */ +/* Adobe's code for stream handling (body). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#include "psft.h" +#include FT_INTERNAL_DEBUG_H + +#include "psglue.h" + +#include "pserror.h" + + + /* Define CF2_IO_FAIL as 1 to enable random errors and random */ + /* value errors in I/O. */ +#define CF2_IO_FAIL 0 + + +#if CF2_IO_FAIL + + /* set the .00 value to a nonzero probability */ + static int + randomError2( void ) + { + /* for region buffer ReadByte (interp) function */ + return (double)rand() / RAND_MAX < .00; + } + + /* set the .00 value to a nonzero probability */ + static CF2_Int + randomValue() + { + return (double)rand() / RAND_MAX < .00 ? rand() : 0; + } + +#endif /* CF2_IO_FAIL */ + + + /* Region Buffer */ + /* */ + /* Can be constructed from a copied buffer managed by */ + /* `FCM_getDatablock'. */ + /* Reads bytes with check for end of buffer. */ + + /* reading past the end of the buffer sets error and returns zero */ + FT_LOCAL_DEF( CF2_Int ) + cf2_buf_readByte( CF2_Buffer buf ) + { + if ( buf->ptr < buf->end ) + { +#if CF2_IO_FAIL + if ( randomError2() ) + { + CF2_SET_ERROR( buf->error, Invalid_Stream_Operation ); + return 0; + } + + return *(buf->ptr)++ + randomValue(); +#else + return *(buf->ptr)++; +#endif + } + else + { + CF2_SET_ERROR( buf->error, Invalid_Stream_Operation ); + return 0; + } + } + + + /* note: end condition can occur without error */ + FT_LOCAL_DEF( FT_Bool ) + cf2_buf_isEnd( CF2_Buffer buf ) + { + return (FT_Bool)( buf->ptr >= buf->end ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psread.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psread.h new file mode 100644 index 00000000000..464b29ba743 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psread.h @@ -0,0 +1,68 @@ +/***************************************************************************/ +/* */ +/* psread.h */ +/* */ +/* Adobe's code for stream handling (specification). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSREAD_H_ +#define PSREAD_H_ + + +FT_BEGIN_HEADER + + + typedef struct CF2_BufferRec_ + { + FT_Error* error; + const FT_Byte* start; + const FT_Byte* end; + const FT_Byte* ptr; + + } CF2_BufferRec, *CF2_Buffer; + + + FT_LOCAL( CF2_Int ) + cf2_buf_readByte( CF2_Buffer buf ); + FT_LOCAL( FT_Bool ) + cf2_buf_isEnd( CF2_Buffer buf ); + + +FT_END_HEADER + + +#endif /* PSREAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psstack.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psstack.c new file mode 100644 index 00000000000..69d063349a1 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psstack.c @@ -0,0 +1,328 @@ +/***************************************************************************/ +/* */ +/* psstack.c */ +/* */ +/* Adobe's code for emulating a CFF stack (body). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#include "psft.h" +#include FT_INTERNAL_DEBUG_H + +#include "psglue.h" +#include "psfont.h" +#include "psstack.h" + +#include "pserror.h" + + + /* Allocate and initialize an instance of CF2_Stack. */ + /* Note: This function returns NULL on error (does not set */ + /* `error'). */ + FT_LOCAL_DEF( CF2_Stack ) + cf2_stack_init( FT_Memory memory, + FT_Error* e, + FT_UInt stackSize ) + { + FT_Error error = FT_Err_Ok; /* for FT_NEW */ + + CF2_Stack stack = NULL; + + + if ( !FT_NEW( stack ) ) + { + /* initialize the structure; FT_NEW zeroes it */ + stack->memory = memory; + stack->error = e; + } + + /* allocate the stack buffer */ + if ( FT_NEW_ARRAY( stack->buffer, stackSize ) ) + { + FT_FREE( stack ); + return NULL; + } + + stack->stackSize = stackSize; + stack->top = stack->buffer; /* empty stack */ + + return stack; + } + + + FT_LOCAL_DEF( void ) + cf2_stack_free( CF2_Stack stack ) + { + if ( stack ) + { + FT_Memory memory = stack->memory; + + /* free the buffer */ + FT_FREE( stack->buffer ); + + /* free the main structure */ + FT_FREE( stack ); + } + } + + + FT_LOCAL_DEF( CF2_UInt ) + cf2_stack_count( CF2_Stack stack ) + { + return (CF2_UInt)( stack->top - stack->buffer ); + } + + + FT_LOCAL_DEF( void ) + cf2_stack_pushInt( CF2_Stack stack, + CF2_Int val ) + { + if ( stack->top == stack->buffer + stack->stackSize ) + { + CF2_SET_ERROR( stack->error, Stack_Overflow ); + return; /* stack overflow */ + } + + stack->top->u.i = val; + stack->top->type = CF2_NumberInt; + stack->top++; + } + + + FT_LOCAL_DEF( void ) + cf2_stack_pushFixed( CF2_Stack stack, + CF2_Fixed val ) + { + if ( stack->top == stack->buffer + stack->stackSize ) + { + CF2_SET_ERROR( stack->error, Stack_Overflow ); + return; /* stack overflow */ + } + + stack->top->u.r = val; + stack->top->type = CF2_NumberFixed; + stack->top++; + } + + + /* this function is only allowed to pop an integer type */ + FT_LOCAL_DEF( CF2_Int ) + cf2_stack_popInt( CF2_Stack stack ) + { + if ( stack->top == stack->buffer ) + { + CF2_SET_ERROR( stack->error, Stack_Underflow ); + return 0; /* underflow */ + } + if ( stack->top[-1].type != CF2_NumberInt ) + { + CF2_SET_ERROR( stack->error, Syntax_Error ); + return 0; /* type mismatch */ + } + + stack->top--; + + return stack->top->u.i; + } + + + /* Note: type mismatch is silently cast */ + /* TODO: check this */ + FT_LOCAL_DEF( CF2_Fixed ) + cf2_stack_popFixed( CF2_Stack stack ) + { + if ( stack->top == stack->buffer ) + { + CF2_SET_ERROR( stack->error, Stack_Underflow ); + return cf2_intToFixed( 0 ); /* underflow */ + } + + stack->top--; + + switch ( stack->top->type ) + { + case CF2_NumberInt: + return cf2_intToFixed( stack->top->u.i ); + case CF2_NumberFrac: + return cf2_fracToFixed( stack->top->u.f ); + default: + return stack->top->u.r; + } + } + + + /* Note: type mismatch is silently cast */ + /* TODO: check this */ + FT_LOCAL_DEF( CF2_Fixed ) + cf2_stack_getReal( CF2_Stack stack, + CF2_UInt idx ) + { + FT_ASSERT( cf2_stack_count( stack ) <= stack->stackSize ); + + if ( idx >= cf2_stack_count( stack ) ) + { + CF2_SET_ERROR( stack->error, Stack_Overflow ); + return cf2_intToFixed( 0 ); /* bounds error */ + } + + switch ( stack->buffer[idx].type ) + { + case CF2_NumberInt: + return cf2_intToFixed( stack->buffer[idx].u.i ); + case CF2_NumberFrac: + return cf2_fracToFixed( stack->buffer[idx].u.f ); + default: + return stack->buffer[idx].u.r; + } + } + + + /* provide random access to stack */ + FT_LOCAL_DEF( void ) + cf2_stack_setReal( CF2_Stack stack, + CF2_UInt idx, + CF2_Fixed val ) + { + if ( idx > cf2_stack_count( stack ) ) + { + CF2_SET_ERROR( stack->error, Stack_Overflow ); + return; + } + + stack->buffer[idx].u.r = val; + stack->buffer[idx].type = CF2_NumberFixed; + } + + + /* discard (pop) num values from stack */ + FT_LOCAL_DEF( void ) + cf2_stack_pop( CF2_Stack stack, + CF2_UInt num ) + { + if ( num > cf2_stack_count( stack ) ) + { + CF2_SET_ERROR( stack->error, Stack_Underflow ); + return; + } + stack->top -= num; + } + + + FT_LOCAL_DEF( void ) + cf2_stack_roll( CF2_Stack stack, + CF2_Int count, + CF2_Int shift ) + { + /* we initialize this variable to avoid compiler warnings */ + CF2_StackNumber last = { { 0 }, CF2_NumberInt }; + + CF2_Int start_idx, idx, i; + + + if ( count < 2 ) + return; /* nothing to do (values 0 and 1), or undefined value */ + + if ( (CF2_UInt)count > cf2_stack_count( stack ) ) + { + CF2_SET_ERROR( stack->error, Stack_Overflow ); + return; + } + + if ( shift < 0 ) + shift = -( ( -shift ) % count ); + else + shift %= count; + + if ( shift == 0 ) + return; /* nothing to do */ + + /* We use the following algorithm to do the rolling, */ + /* which needs two temporary variables only. */ + /* */ + /* Example: */ + /* */ + /* count = 8 */ + /* shift = 2 */ + /* */ + /* stack indices before roll: 7 6 5 4 3 2 1 0 */ + /* stack indices after roll: 1 0 7 6 5 4 3 2 */ + /* */ + /* The value of index 0 gets moved to index 2, while */ + /* the old value of index 2 gets moved to index 4, */ + /* and so on. We thus have the following copying */ + /* chains for shift value 2. */ + /* */ + /* 0 -> 2 -> 4 -> 6 -> 0 */ + /* 1 -> 3 -> 5 -> 7 -> 1 */ + /* */ + /* If `count' and `shift' are incommensurable, we */ + /* have a single chain only. Otherwise, increase */ + /* the start index by 1 after the first chain, then */ + /* do the next chain until all elements in all */ + /* chains are handled. */ + + start_idx = -1; + idx = -1; + for ( i = 0; i < count; i++ ) + { + CF2_StackNumber tmp; + + + if ( start_idx == idx ) + { + start_idx++; + idx = start_idx; + last = stack->buffer[idx]; + } + + idx += shift; + if ( idx >= count ) + idx -= count; + else if ( idx < 0 ) + idx += count; + + tmp = stack->buffer[idx]; + stack->buffer[idx] = last; + last = tmp; + } + } + + + FT_LOCAL_DEF( void ) + cf2_stack_clear( CF2_Stack stack ) + { + stack->top = stack->buffer; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psstack.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psstack.h new file mode 100644 index 00000000000..38f7b41c689 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/psstack.h @@ -0,0 +1,121 @@ +/***************************************************************************/ +/* */ +/* psstack.h */ +/* */ +/* Adobe's code for emulating a CFF stack (specification). */ +/* */ +/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSSTACK_H_ +#define PSSTACK_H_ + + +FT_BEGIN_HEADER + + + /* CFF operand stack; specified maximum of 48 or 192 values */ + typedef struct CF2_StackNumber_ + { + union + { + CF2_Fixed r; /* 16.16 fixed point */ + CF2_Frac f; /* 2.30 fixed point (for font matrix) */ + CF2_Int i; + } u; + + CF2_NumberType type; + + } CF2_StackNumber; + + + typedef struct CF2_StackRec_ + { + FT_Memory memory; + FT_Error* error; + CF2_StackNumber* buffer; + CF2_StackNumber* top; + FT_UInt stackSize; + + } CF2_StackRec, *CF2_Stack; + + + FT_LOCAL( CF2_Stack ) + cf2_stack_init( FT_Memory memory, + FT_Error* error, + FT_UInt stackSize ); + FT_LOCAL( void ) + cf2_stack_free( CF2_Stack stack ); + + FT_LOCAL( CF2_UInt ) + cf2_stack_count( CF2_Stack stack ); + + FT_LOCAL( void ) + cf2_stack_pushInt( CF2_Stack stack, + CF2_Int val ); + FT_LOCAL( void ) + cf2_stack_pushFixed( CF2_Stack stack, + CF2_Fixed val ); + + FT_LOCAL( CF2_Int ) + cf2_stack_popInt( CF2_Stack stack ); + FT_LOCAL( CF2_Fixed ) + cf2_stack_popFixed( CF2_Stack stack ); + + FT_LOCAL( CF2_Fixed ) + cf2_stack_getReal( CF2_Stack stack, + CF2_UInt idx ); + FT_LOCAL( void ) + cf2_stack_setReal( CF2_Stack stack, + CF2_UInt idx, + CF2_Fixed val ); + + FT_LOCAL( void ) + cf2_stack_pop( CF2_Stack stack, + CF2_UInt num ); + + FT_LOCAL( void ) + cf2_stack_roll( CF2_Stack stack, + CF2_Int count, + CF2_Int idx ); + + FT_LOCAL( void ) + cf2_stack_clear( CF2_Stack stack ); + + +FT_END_HEADER + + +#endif /* PSSTACK_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pstypes.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pstypes.h new file mode 100644 index 00000000000..dfbaa3d475b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/pstypes.h @@ -0,0 +1,78 @@ +/***************************************************************************/ +/* */ +/* pstypes.h */ +/* */ +/* Adobe's code for defining data types (specification only). */ +/* */ +/* Copyright 2011-2013 Adobe Systems Incorporated. */ +/* */ +/* This software, and all works of authorship, whether in source or */ +/* object code form as indicated by the copyright notice(s) included */ +/* herein (collectively, the "Work") is made available, and may only be */ +/* used, modified, and distributed under the FreeType Project License, */ +/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ +/* FreeType Project License, each contributor to the Work hereby grants */ +/* to any individual or legal entity exercising permissions granted by */ +/* the FreeType Project License and this section (hereafter, "You" or */ +/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ +/* royalty-free, irrevocable (except as stated in this section) patent */ +/* license to make, have made, use, offer to sell, sell, import, and */ +/* otherwise transfer the Work, where such license applies only to those */ +/* patent claims licensable by such contributor that are necessarily */ +/* infringed by their contribution(s) alone or by combination of their */ +/* contribution(s) with the Work to which such contribution(s) was */ +/* submitted. If You institute patent litigation against any entity */ +/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ +/* the Work or a contribution incorporated within the Work constitutes */ +/* direct or contributory patent infringement, then any patent licenses */ +/* granted to You under this License for that Work shall terminate as of */ +/* the date such litigation is filed. */ +/* */ +/* By using, modifying, or distributing the Work you indicate that you */ +/* have read and understood the terms and conditions of the */ +/* FreeType Project License as well as those provided in this section, */ +/* and you accept them fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSTYPES_H_ +#define PSTYPES_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H + + +FT_BEGIN_HEADER + + + /* + * The data models that we expect to support are as follows: + * + * name char short int long long-long pointer example + * ----------------------------------------------------- + * ILP32 8 16 32 32 64* 32 32-bit MacOS, x86 + * LLP64 8 16 32 32 64 64 x64 + * LP64 8 16 32 64 64 64 64-bit MacOS + * + * *) type may be supported by emulation on a 32-bit architecture + * + */ + + + /* integers at least 32 bits wide */ +#define CF2_UInt FT_UFast +#define CF2_Int FT_Fast + + + /* fixed-float numbers */ + typedef FT_Int32 CF2_F16Dot16; + + +FT_END_HEADER + + +#endif /* PSTYPES_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1cmap.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1cmap.c new file mode 100644 index 00000000000..112a7892bac --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1cmap.c @@ -0,0 +1,371 @@ +/***************************************************************************/ +/* */ +/* t1cmap.c */ +/* */ +/* Type 1 character map support (body). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include "t1cmap.h" + +#include FT_INTERNAL_DEBUG_H + +#include "psauxerr.h" + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE1 STANDARD (AND EXPERT) ENCODING CMAPS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + static void + t1_cmap_std_init( T1_CMapStd cmap, + FT_Int is_expert ) + { + T1_Face face = (T1_Face)FT_CMAP_FACE( cmap ); + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames; + + + cmap->num_glyphs = (FT_UInt)face->type1.num_glyphs; + cmap->glyph_names = (const char* const*)face->type1.glyph_names; + cmap->sid_to_string = psnames->adobe_std_strings; + cmap->code_to_sid = is_expert ? psnames->adobe_expert_encoding + : psnames->adobe_std_encoding; + + FT_ASSERT( cmap->code_to_sid ); + } + + + FT_CALLBACK_DEF( void ) + t1_cmap_std_done( T1_CMapStd cmap ) + { + cmap->num_glyphs = 0; + cmap->glyph_names = NULL; + cmap->sid_to_string = NULL; + cmap->code_to_sid = NULL; + } + + + FT_CALLBACK_DEF( FT_UInt ) + t1_cmap_std_char_index( T1_CMapStd cmap, + FT_UInt32 char_code ) + { + FT_UInt result = 0; + + + if ( char_code < 256 ) + { + FT_UInt code, n; + const char* glyph_name; + + + /* convert character code to Adobe SID string */ + code = cmap->code_to_sid[char_code]; + glyph_name = cmap->sid_to_string( code ); + + /* look for the corresponding glyph name */ + for ( n = 0; n < cmap->num_glyphs; n++ ) + { + const char* gname = cmap->glyph_names[n]; + + + if ( gname && gname[0] == glyph_name[0] && + ft_strcmp( gname, glyph_name ) == 0 ) + { + result = n; + break; + } + } + } + + return result; + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + t1_cmap_std_char_next( T1_CMapStd cmap, + FT_UInt32 *pchar_code ) + { + FT_UInt result = 0; + FT_UInt32 char_code = *pchar_code + 1; + + + while ( char_code < 256 ) + { + result = t1_cmap_std_char_index( cmap, char_code ); + if ( result != 0 ) + goto Exit; + + char_code++; + } + char_code = 0; + + Exit: + *pchar_code = char_code; + return result; + } + + + FT_CALLBACK_DEF( FT_Error ) + t1_cmap_standard_init( T1_CMapStd cmap, + FT_Pointer pointer ) + { + FT_UNUSED( pointer ); + + + t1_cmap_std_init( cmap, 0 ); + return 0; + } + + + FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec + t1_cmap_standard_class_rec = + { + sizeof ( T1_CMapStdRec ), + + (FT_CMap_InitFunc) t1_cmap_standard_init, /* init */ + (FT_CMap_DoneFunc) t1_cmap_std_done, /* done */ + (FT_CMap_CharIndexFunc)t1_cmap_std_char_index, /* char_index */ + (FT_CMap_CharNextFunc) t1_cmap_std_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL /* variantchar_list */ + }; + + + FT_CALLBACK_DEF( FT_Error ) + t1_cmap_expert_init( T1_CMapStd cmap, + FT_Pointer pointer ) + { + FT_UNUSED( pointer ); + + + t1_cmap_std_init( cmap, 1 ); + return 0; + } + + FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec + t1_cmap_expert_class_rec = + { + sizeof ( T1_CMapStdRec ), + + (FT_CMap_InitFunc) t1_cmap_expert_init, /* init */ + (FT_CMap_DoneFunc) t1_cmap_std_done, /* done */ + (FT_CMap_CharIndexFunc)t1_cmap_std_char_index, /* char_index */ + (FT_CMap_CharNextFunc) t1_cmap_std_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL /* variantchar_list */ + }; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE1 CUSTOM ENCODING CMAP *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + FT_CALLBACK_DEF( FT_Error ) + t1_cmap_custom_init( T1_CMapCustom cmap, + FT_Pointer pointer ) + { + T1_Face face = (T1_Face)FT_CMAP_FACE( cmap ); + T1_Encoding encoding = &face->type1.encoding; + + FT_UNUSED( pointer ); + + + cmap->first = (FT_UInt)encoding->code_first; + cmap->count = (FT_UInt)encoding->code_last - cmap->first; + cmap->indices = encoding->char_index; + + FT_ASSERT( cmap->indices ); + FT_ASSERT( encoding->code_first <= encoding->code_last ); + + return 0; + } + + + FT_CALLBACK_DEF( void ) + t1_cmap_custom_done( T1_CMapCustom cmap ) + { + cmap->indices = NULL; + cmap->first = 0; + cmap->count = 0; + } + + + FT_CALLBACK_DEF( FT_UInt ) + t1_cmap_custom_char_index( T1_CMapCustom cmap, + FT_UInt32 char_code ) + { + FT_UInt result = 0; + + + if ( ( char_code >= cmap->first ) && + ( char_code < ( cmap->first + cmap->count ) ) ) + result = cmap->indices[char_code]; + + return result; + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + t1_cmap_custom_char_next( T1_CMapCustom cmap, + FT_UInt32 *pchar_code ) + { + FT_UInt result = 0; + FT_UInt32 char_code = *pchar_code; + + + char_code++; + + if ( char_code < cmap->first ) + char_code = cmap->first; + + for ( ; char_code < ( cmap->first + cmap->count ); char_code++ ) + { + result = cmap->indices[char_code]; + if ( result != 0 ) + goto Exit; + } + + char_code = 0; + + Exit: + *pchar_code = char_code; + return result; + } + + + FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec + t1_cmap_custom_class_rec = + { + sizeof ( T1_CMapCustomRec ), + + (FT_CMap_InitFunc) t1_cmap_custom_init, /* init */ + (FT_CMap_DoneFunc) t1_cmap_custom_done, /* done */ + (FT_CMap_CharIndexFunc)t1_cmap_custom_char_index, /* char_index */ + (FT_CMap_CharNextFunc) t1_cmap_custom_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL /* variantchar_list */ + }; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE1 SYNTHETIC UNICODE ENCODING CMAP *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + FT_CALLBACK_DEF( const char * ) + psaux_get_glyph_name( T1_Face face, + FT_UInt idx ) + { + return face->type1.glyph_names[idx]; + } + + + FT_CALLBACK_DEF( FT_Error ) + t1_cmap_unicode_init( PS_Unicodes unicodes, + FT_Pointer pointer ) + { + T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes ); + FT_Memory memory = FT_FACE_MEMORY( face ); + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames; + + FT_UNUSED( pointer ); + + + return psnames->unicodes_init( memory, + unicodes, + (FT_UInt)face->type1.num_glyphs, + (PS_GetGlyphNameFunc)&psaux_get_glyph_name, + (PS_FreeGlyphNameFunc)NULL, + (FT_Pointer)face ); + } + + + FT_CALLBACK_DEF( void ) + t1_cmap_unicode_done( PS_Unicodes unicodes ) + { + FT_Face face = FT_CMAP_FACE( unicodes ); + FT_Memory memory = FT_FACE_MEMORY( face ); + + + FT_FREE( unicodes->maps ); + unicodes->num_maps = 0; + } + + + FT_CALLBACK_DEF( FT_UInt ) + t1_cmap_unicode_char_index( PS_Unicodes unicodes, + FT_UInt32 char_code ) + { + T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes ); + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames; + + + return psnames->unicodes_char_index( unicodes, char_code ); + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + t1_cmap_unicode_char_next( PS_Unicodes unicodes, + FT_UInt32 *pchar_code ) + { + T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes ); + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames; + + + return psnames->unicodes_char_next( unicodes, pchar_code ); + } + + + FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec + t1_cmap_unicode_class_rec = + { + sizeof ( PS_UnicodesRec ), + + (FT_CMap_InitFunc) t1_cmap_unicode_init, /* init */ + (FT_CMap_DoneFunc) t1_cmap_unicode_done, /* done */ + (FT_CMap_CharIndexFunc)t1_cmap_unicode_char_index, /* char_index */ + (FT_CMap_CharNextFunc) t1_cmap_unicode_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL /* variantchar_list */ + }; + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1cmap.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1cmap.h new file mode 100644 index 00000000000..4308e31d2d7 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1cmap.h @@ -0,0 +1,105 @@ +/***************************************************************************/ +/* */ +/* t1cmap.h */ +/* */ +/* Type 1 character map support (specification). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1CMAP_H_ +#define T1CMAP_H_ + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_TYPE1_TYPES_H + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE1 STANDARD (AND EXPERT) ENCODING CMAPS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* standard (and expert) encoding cmaps */ + typedef struct T1_CMapStdRec_* T1_CMapStd; + + typedef struct T1_CMapStdRec_ + { + FT_CMapRec cmap; + + const FT_UShort* code_to_sid; + PS_Adobe_Std_StringsFunc sid_to_string; + + FT_UInt num_glyphs; + const char* const* glyph_names; + + } T1_CMapStdRec; + + + FT_CALLBACK_TABLE const FT_CMap_ClassRec + t1_cmap_standard_class_rec; + + FT_CALLBACK_TABLE const FT_CMap_ClassRec + t1_cmap_expert_class_rec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE1 CUSTOM ENCODING CMAP *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + typedef struct T1_CMapCustomRec_* T1_CMapCustom; + + typedef struct T1_CMapCustomRec_ + { + FT_CMapRec cmap; + FT_UInt first; + FT_UInt count; + FT_UShort* indices; + + } T1_CMapCustomRec; + + + FT_CALLBACK_TABLE const FT_CMap_ClassRec + t1_cmap_custom_class_rec; + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE1 SYNTHETIC UNICODE ENCODING CMAP *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* unicode (synthetic) cmaps */ + + FT_CALLBACK_TABLE const FT_CMap_ClassRec + t1_cmap_unicode_class_rec; + + /* */ + + +FT_END_HEADER + +#endif /* T1CMAP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1decode.c b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1decode.c new file mode 100644 index 00000000000..6ad145661f2 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1decode.c @@ -0,0 +1,1988 @@ +/***************************************************************************/ +/* */ +/* t1decode.c */ +/* */ +/* PostScript Type 1 decoding routines (body). */ +/* */ +/* Copyright 2000-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_POSTSCRIPT_HINTS_H +#include FT_INTERNAL_HASH_H +#include FT_OUTLINE_H + +#include "t1decode.h" +#include "psobjs.h" + +#include "psauxerr.h" + +/* ensure proper sign extension */ +#define Fix2Int( f ) ( (FT_Int)(FT_Short)( (f) >> 16 ) ) + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_t1decode + + + typedef enum T1_Operator_ + { + op_none = 0, + op_endchar, + op_hsbw, + op_seac, + op_sbw, + op_closepath, + op_hlineto, + op_hmoveto, + op_hvcurveto, + op_rlineto, + op_rmoveto, + op_rrcurveto, + op_vhcurveto, + op_vlineto, + op_vmoveto, + op_dotsection, + op_hstem, + op_hstem3, + op_vstem, + op_vstem3, + op_div, + op_callothersubr, + op_callsubr, + op_pop, + op_return, + op_setcurrentpoint, + op_unknown15, + + op_max /* never remove this one */ + + } T1_Operator; + + + static + const FT_Int t1_args_count[op_max] = + { + 0, /* none */ + 0, /* endchar */ + 2, /* hsbw */ + 5, /* seac */ + 4, /* sbw */ + 0, /* closepath */ + 1, /* hlineto */ + 1, /* hmoveto */ + 4, /* hvcurveto */ + 2, /* rlineto */ + 2, /* rmoveto */ + 6, /* rrcurveto */ + 4, /* vhcurveto */ + 1, /* vlineto */ + 1, /* vmoveto */ + 0, /* dotsection */ + 2, /* hstem */ + 6, /* hstem3 */ + 2, /* vstem */ + 6, /* vstem3 */ + 2, /* div */ + -1, /* callothersubr */ + 1, /* callsubr */ + 0, /* pop */ + 0, /* return */ + 2, /* setcurrentpoint */ + 2 /* opcode 15 (undocumented and obsolete) */ + }; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* t1_lookup_glyph_by_stdcharcode_ps */ + /* */ + /* <Description> */ + /* Looks up a given glyph by its StandardEncoding charcode. Used to */ + /* implement the SEAC Type 1 operator in the Adobe engine */ + /* */ + /* <Input> */ + /* face :: The current face object. */ + /* */ + /* charcode :: The character code to look for. */ + /* */ + /* <Return> */ + /* A glyph index in the font face. Returns -1 if the corresponding */ + /* glyph wasn't found. */ + /* */ + FT_LOCAL_DEF( FT_Int ) + t1_lookup_glyph_by_stdcharcode_ps( PS_Decoder* decoder, + FT_Int charcode ) + { + FT_UInt n; + const FT_String* glyph_name; + FT_Service_PsCMaps psnames = decoder->psnames; + + + /* check range of standard char code */ + if ( charcode < 0 || charcode > 255 ) + return -1; + + glyph_name = psnames->adobe_std_strings( + psnames->adobe_std_encoding[charcode]); + + for ( n = 0; n < decoder->num_glyphs; n++ ) + { + FT_String* name = (FT_String*)decoder->glyph_names[n]; + + + if ( name && + name[0] == glyph_name[0] && + ft_strcmp( name, glyph_name ) == 0 ) + return (FT_Int)n; + } + + return -1; + } + + +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + /*************************************************************************/ + /* */ + /* <Function> */ + /* t1_lookup_glyph_by_stdcharcode */ + /* */ + /* <Description> */ + /* Looks up a given glyph by its StandardEncoding charcode. Used to */ + /* implement the SEAC Type 1 operator. */ + /* */ + /* <Input> */ + /* face :: The current face object. */ + /* */ + /* charcode :: The character code to look for. */ + /* */ + /* <Return> */ + /* A glyph index in the font face. Returns -1 if the corresponding */ + /* glyph wasn't found. */ + /* */ + static FT_Int + t1_lookup_glyph_by_stdcharcode( T1_Decoder decoder, + FT_Int charcode ) + { + FT_UInt n; + const FT_String* glyph_name; + FT_Service_PsCMaps psnames = decoder->psnames; + + + /* check range of standard char code */ + if ( charcode < 0 || charcode > 255 ) + return -1; + + glyph_name = psnames->adobe_std_strings( + psnames->adobe_std_encoding[charcode]); + + for ( n = 0; n < decoder->num_glyphs; n++ ) + { + FT_String* name = (FT_String*)decoder->glyph_names[n]; + + + if ( name && + name[0] == glyph_name[0] && + ft_strcmp( name, glyph_name ) == 0 ) + return (FT_Int)n; + } + + return -1; + } + + + /* parse a single Type 1 glyph */ + FT_LOCAL_DEF( FT_Error ) + t1_decoder_parse_glyph( T1_Decoder decoder, + FT_UInt glyph ) + { + return decoder->parse_callback( decoder, glyph ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* t1operator_seac */ + /* */ + /* <Description> */ + /* Implements the `seac' Type 1 operator for a Type 1 decoder. */ + /* */ + /* <Input> */ + /* decoder :: The current CID decoder. */ + /* */ + /* asb :: The accent's side bearing. */ + /* */ + /* adx :: The horizontal offset of the accent. */ + /* */ + /* ady :: The vertical offset of the accent. */ + /* */ + /* bchar :: The base character's StandardEncoding charcode. */ + /* */ + /* achar :: The accent character's StandardEncoding charcode. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + static FT_Error + t1operator_seac( T1_Decoder decoder, + FT_Pos asb, + FT_Pos adx, + FT_Pos ady, + FT_Int bchar, + FT_Int achar ) + { + FT_Error error; + FT_Int bchar_index, achar_index; +#if 0 + FT_Int n_base_points; + FT_Outline* base = decoder->builder.base; +#endif + FT_Vector left_bearing, advance; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + T1_Face face = (T1_Face)decoder->builder.face; +#endif + + + if ( decoder->seac ) + { + FT_ERROR(( "t1operator_seac: invalid nested seac\n" )); + return FT_THROW( Syntax_Error ); + } + + if ( decoder->builder.metrics_only ) + { + FT_ERROR(( "t1operator_seac: unexpected seac\n" )); + return FT_THROW( Syntax_Error ); + } + + /* seac weirdness */ + adx += decoder->builder.left_bearing.x; + + /* `glyph_names' is set to 0 for CID fonts which do not */ + /* include an encoding. How can we deal with these? */ +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( decoder->glyph_names == 0 && + !face->root.internal->incremental_interface ) +#else + if ( decoder->glyph_names == 0 ) +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + { + FT_ERROR(( "t1operator_seac:" + " glyph names table not available in this font\n" )); + return FT_THROW( Syntax_Error ); + } + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( face->root.internal->incremental_interface ) + { + /* the caller must handle the font encoding also */ + bchar_index = bchar; + achar_index = achar; + } + else +#endif + { + bchar_index = t1_lookup_glyph_by_stdcharcode( decoder, bchar ); + achar_index = t1_lookup_glyph_by_stdcharcode( decoder, achar ); + } + + if ( bchar_index < 0 || achar_index < 0 ) + { + FT_ERROR(( "t1operator_seac:" + " invalid seac character code arguments\n" )); + return FT_THROW( Syntax_Error ); + } + + /* if we are trying to load a composite glyph, do not load the */ + /* accent character and return the array of subglyphs. */ + if ( decoder->builder.no_recurse ) + { + FT_GlyphSlot glyph = (FT_GlyphSlot)decoder->builder.glyph; + FT_GlyphLoader loader = glyph->internal->loader; + FT_SubGlyph subg; + + + /* reallocate subglyph array if necessary */ + error = FT_GlyphLoader_CheckSubGlyphs( loader, 2 ); + if ( error ) + goto Exit; + + subg = loader->current.subglyphs; + + /* subglyph 0 = base character */ + subg->index = bchar_index; + subg->flags = FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES | + FT_SUBGLYPH_FLAG_USE_MY_METRICS; + subg->arg1 = 0; + subg->arg2 = 0; + subg++; + + /* subglyph 1 = accent character */ + subg->index = achar_index; + subg->flags = FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES; + subg->arg1 = (FT_Int)FIXED_TO_INT( adx - asb ); + subg->arg2 = (FT_Int)FIXED_TO_INT( ady ); + + /* set up remaining glyph fields */ + glyph->num_subglyphs = 2; + glyph->subglyphs = loader->base.subglyphs; + glyph->format = FT_GLYPH_FORMAT_COMPOSITE; + + loader->current.num_subglyphs = 2; + goto Exit; + } + + /* First load `bchar' in builder */ + /* now load the unscaled outline */ + + FT_GlyphLoader_Prepare( decoder->builder.loader ); /* prepare loader */ + + /* the seac operator must not be nested */ + decoder->seac = TRUE; + error = t1_decoder_parse_glyph( decoder, (FT_UInt)bchar_index ); + decoder->seac = FALSE; + if ( error ) + goto Exit; + + /* save the left bearing and width of the base character */ + /* as they will be erased by the next load. */ + + left_bearing = decoder->builder.left_bearing; + advance = decoder->builder.advance; + + decoder->builder.left_bearing.x = 0; + decoder->builder.left_bearing.y = 0; + + decoder->builder.pos_x = adx - asb; + decoder->builder.pos_y = ady; + + /* Now load `achar' on top of */ + /* the base outline */ + + /* the seac operator must not be nested */ + decoder->seac = TRUE; + error = t1_decoder_parse_glyph( decoder, (FT_UInt)achar_index ); + decoder->seac = FALSE; + if ( error ) + goto Exit; + + /* restore the left side bearing and */ + /* advance width of the base character */ + + decoder->builder.left_bearing = left_bearing; + decoder->builder.advance = advance; + + decoder->builder.pos_x = 0; + decoder->builder.pos_y = 0; + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* t1_decoder_parse_charstrings */ + /* */ + /* <Description> */ + /* Parses a given Type 1 charstrings program. */ + /* */ + /* <Input> */ + /* decoder :: The current Type 1 decoder. */ + /* */ + /* charstring_base :: The base address of the charstring stream. */ + /* */ + /* charstring_len :: The length in bytes of the charstring stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + t1_decoder_parse_charstrings( T1_Decoder decoder, + FT_Byte* charstring_base, + FT_UInt charstring_len ) + { + FT_Error error; + T1_Decoder_Zone zone; + FT_Byte* ip; + FT_Byte* limit; + T1_Builder builder = &decoder->builder; + FT_Pos x, y, orig_x, orig_y; + FT_Int known_othersubr_result_cnt = 0; + FT_Int unknown_othersubr_result_cnt = 0; + FT_Bool large_int; + FT_Fixed seed; + + T1_Hints_Funcs hinter; + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_Bool bol = TRUE; +#endif + + + /* compute random seed from stack address of parameter */ + seed = (FT_Fixed)( ( (FT_Offset)(char*)&seed ^ + (FT_Offset)(char*)&decoder ^ + (FT_Offset)(char*)&charstring_base ) & + FT_ULONG_MAX ); + seed = ( seed ^ ( seed >> 10 ) ^ ( seed >> 20 ) ) & 0xFFFFL; + if ( seed == 0 ) + seed = 0x7384; + + /* First of all, initialize the decoder */ + decoder->top = decoder->stack; + decoder->zone = decoder->zones; + zone = decoder->zones; + + builder->parse_state = T1_Parse_Start; + + hinter = (T1_Hints_Funcs)builder->hints_funcs; + + /* a font that reads BuildCharArray without setting */ + /* its values first is buggy, but ... */ + FT_ASSERT( ( decoder->len_buildchar == 0 ) == + ( decoder->buildchar == NULL ) ); + + if ( decoder->buildchar && decoder->len_buildchar > 0 ) + FT_ARRAY_ZERO( decoder->buildchar, decoder->len_buildchar ); + + FT_TRACE4(( "\n" + "Start charstring\n" )); + + zone->base = charstring_base; + limit = zone->limit = charstring_base + charstring_len; + ip = zone->cursor = zone->base; + + error = FT_Err_Ok; + + x = orig_x = builder->pos_x; + y = orig_y = builder->pos_y; + + /* begin hints recording session, if any */ + if ( hinter ) + hinter->open( hinter->hints ); + + large_int = FALSE; + + /* now, execute loop */ + while ( ip < limit ) + { + FT_Long* top = decoder->top; + T1_Operator op = op_none; + FT_Int32 value = 0; + + + FT_ASSERT( known_othersubr_result_cnt == 0 || + unknown_othersubr_result_cnt == 0 ); + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( bol ) + { + FT_TRACE5(( " (%d)", decoder->top - decoder->stack )); + bol = FALSE; + } +#endif + + /*********************************************************************/ + /* */ + /* Decode operator or operand */ + /* */ + /* */ + + /* first of all, decompress operator or value */ + switch ( *ip++ ) + { + case 1: + op = op_hstem; + break; + + case 3: + op = op_vstem; + break; + case 4: + op = op_vmoveto; + break; + case 5: + op = op_rlineto; + break; + case 6: + op = op_hlineto; + break; + case 7: + op = op_vlineto; + break; + case 8: + op = op_rrcurveto; + break; + case 9: + op = op_closepath; + break; + case 10: + op = op_callsubr; + break; + case 11: + op = op_return; + break; + + case 13: + op = op_hsbw; + break; + case 14: + op = op_endchar; + break; + + case 15: /* undocumented, obsolete operator */ + op = op_unknown15; + break; + + case 21: + op = op_rmoveto; + break; + case 22: + op = op_hmoveto; + break; + + case 30: + op = op_vhcurveto; + break; + case 31: + op = op_hvcurveto; + break; + + case 12: + if ( ip >= limit ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " invalid escape (12+EOF)\n" )); + goto Syntax_Error; + } + + switch ( *ip++ ) + { + case 0: + op = op_dotsection; + break; + case 1: + op = op_vstem3; + break; + case 2: + op = op_hstem3; + break; + case 6: + op = op_seac; + break; + case 7: + op = op_sbw; + break; + case 12: + op = op_div; + break; + case 16: + op = op_callothersubr; + break; + case 17: + op = op_pop; + break; + case 33: + op = op_setcurrentpoint; + break; + + default: + FT_ERROR(( "t1_decoder_parse_charstrings:" + " invalid escape (12+%d)\n", + ip[-1] )); + goto Syntax_Error; + } + break; + + case 255: /* four bytes integer */ + if ( ip + 4 > limit ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " unexpected EOF in integer\n" )); + goto Syntax_Error; + } + + value = (FT_Int32)( ( (FT_UInt32)ip[0] << 24 ) | + ( (FT_UInt32)ip[1] << 16 ) | + ( (FT_UInt32)ip[2] << 8 ) | + (FT_UInt32)ip[3] ); + ip += 4; + + /* According to the specification, values > 32000 or < -32000 must */ + /* be followed by a `div' operator to make the result be in the */ + /* range [-32000;32000]. We expect that the second argument of */ + /* `div' is not a large number. Additionally, we don't handle */ + /* stuff like `<large1> <large2> <num> div <num> div' or */ + /* <large1> <large2> <num> div div'. This is probably not allowed */ + /* anyway. */ + if ( value > 32000 || value < -32000 ) + { + if ( large_int ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " no `div' after large integer\n" )); + } + else + large_int = TRUE; + } + else + { + if ( !large_int ) + value = (FT_Int32)( (FT_UInt32)value << 16 ); + } + + break; + + default: + if ( ip[-1] >= 32 ) + { + if ( ip[-1] < 247 ) + value = (FT_Int32)ip[-1] - 139; + else + { + if ( ++ip > limit ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " unexpected EOF in integer\n" )); + goto Syntax_Error; + } + + if ( ip[-2] < 251 ) + value = ( ( ip[-2] - 247 ) * 256 ) + ip[-1] + 108; + else + value = -( ( ( ip[-2] - 251 ) * 256 ) + ip[-1] + 108 ); + } + + if ( !large_int ) + value = (FT_Int32)( (FT_UInt32)value << 16 ); + } + else + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " invalid byte (%d)\n", ip[-1] )); + goto Syntax_Error; + } + } + + if ( unknown_othersubr_result_cnt > 0 ) + { + switch ( op ) + { + case op_callsubr: + case op_return: + case op_none: + case op_pop: + break; + + default: + /* all operands have been transferred by previous pops */ + unknown_othersubr_result_cnt = 0; + break; + } + } + + if ( large_int && !( op == op_none || op == op_div ) ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " no `div' after large integer\n" )); + + large_int = FALSE; + } + + /*********************************************************************/ + /* */ + /* Push value on stack, or process operator */ + /* */ + /* */ + if ( op == op_none ) + { + if ( top - decoder->stack >= T1_MAX_CHARSTRINGS_OPERANDS ) + { + FT_ERROR(( "t1_decoder_parse_charstrings: stack overflow\n" )); + goto Syntax_Error; + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( large_int ) + FT_TRACE4(( " %d", value )); + else + FT_TRACE4(( " %d", value / 65536 )); +#endif + + *top++ = value; + decoder->top = top; + } + else if ( op == op_callothersubr ) /* callothersubr */ + { + FT_Int subr_no; + FT_Int arg_cnt; + + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE4(( " callothersubr\n" )); + bol = TRUE; +#endif + + if ( top - decoder->stack < 2 ) + goto Stack_Underflow; + + top -= 2; + + subr_no = Fix2Int( top[1] ); + arg_cnt = Fix2Int( top[0] ); + + /***********************************************************/ + /* */ + /* remove all operands to callothersubr from the stack */ + /* */ + /* for handled othersubrs, where we know the number of */ + /* arguments, we increase the stack by the value of */ + /* known_othersubr_result_cnt */ + /* */ + /* for unhandled othersubrs the following pops adjust the */ + /* stack pointer as necessary */ + + if ( arg_cnt > top - decoder->stack ) + goto Stack_Underflow; + + top -= arg_cnt; + + known_othersubr_result_cnt = 0; + unknown_othersubr_result_cnt = 0; + + /* XXX TODO: The checks to `arg_count == <whatever>' */ + /* might not be correct; an othersubr expects a certain */ + /* number of operands on the PostScript stack (as opposed */ + /* to the T1 stack) but it doesn't have to put them there */ + /* by itself; previous othersubrs might have left the */ + /* operands there if they were not followed by an */ + /* appropriate number of pops */ + /* */ + /* On the other hand, Adobe Reader 7.0.8 for Linux doesn't */ + /* accept a font that contains charstrings like */ + /* */ + /* 100 200 2 20 callothersubr */ + /* 300 1 20 callothersubr pop */ + /* */ + /* Perhaps this is the reason why BuildCharArray exists. */ + + switch ( subr_no ) + { + case 0: /* end flex feature */ + if ( arg_cnt != 3 ) + goto Unexpected_OtherSubr; + + if ( !decoder->flex_state || + decoder->num_flex_vectors != 7 ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " unexpected flex end\n" )); + goto Syntax_Error; + } + + /* the two `results' are popped by the following setcurrentpoint */ + top[0] = x; + top[1] = y; + known_othersubr_result_cnt = 2; + break; + + case 1: /* start flex feature */ + if ( arg_cnt != 0 ) + goto Unexpected_OtherSubr; + + if ( FT_SET_ERROR( t1_builder_start_point( builder, x, y ) ) || + FT_SET_ERROR( t1_builder_check_points( builder, 6 ) ) ) + goto Fail; + + decoder->flex_state = 1; + decoder->num_flex_vectors = 0; + break; + + case 2: /* add flex vectors */ + { + FT_Int idx; + + + if ( arg_cnt != 0 ) + goto Unexpected_OtherSubr; + + if ( !decoder->flex_state ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " missing flex start\n" )); + goto Syntax_Error; + } + + /* note that we should not add a point for index 0; */ + /* this will move our current position to the flex */ + /* point without adding any point to the outline */ + idx = decoder->num_flex_vectors++; + if ( idx > 0 && idx < 7 ) + { + /* in malformed fonts it is possible to have other */ + /* opcodes in the middle of a flex (which don't */ + /* increase `num_flex_vectors'); we thus have to */ + /* check whether we can add a point */ + if ( FT_SET_ERROR( t1_builder_check_points( builder, 1 ) ) ) + goto Syntax_Error; + + t1_builder_add_point( builder, + x, + y, + (FT_Byte)( idx == 3 || idx == 6 ) ); + } + } + break; + + case 3: /* change hints */ + if ( arg_cnt != 1 ) + goto Unexpected_OtherSubr; + + known_othersubr_result_cnt = 1; + + if ( hinter ) + hinter->reset( hinter->hints, + (FT_UInt)builder->current->n_points ); + break; + + case 12: + case 13: + /* counter control hints, clear stack */ + top = decoder->stack; + break; + + case 14: + case 15: + case 16: + case 17: + case 18: /* multiple masters */ + { + PS_Blend blend = decoder->blend; + FT_UInt num_points, nn, mm; + FT_Long* delta; + FT_Long* values; + + + if ( !blend ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " unexpected multiple masters operator\n" )); + goto Syntax_Error; + } + + num_points = (FT_UInt)subr_no - 13 + ( subr_no == 18 ); + if ( arg_cnt != (FT_Int)( num_points * blend->num_designs ) ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " incorrect number of multiple masters arguments\n" )); + goto Syntax_Error; + } + + /* We want to compute */ + /* */ + /* a0*w0 + a1*w1 + ... + ak*wk */ + /* */ + /* but we only have a0, a1-a0, a2-a0, ..., ak-a0. */ + /* */ + /* However, given that w0 + w1 + ... + wk == 1, we can */ + /* rewrite it easily as */ + /* */ + /* a0 + (a1-a0)*w1 + (a2-a0)*w2 + ... + (ak-a0)*wk */ + /* */ + /* where k == num_designs-1. */ + /* */ + /* I guess that's why it's written in this `compact' */ + /* form. */ + /* */ + delta = top + num_points; + values = top; + for ( nn = 0; nn < num_points; nn++ ) + { + FT_Long tmp = values[0]; + + + for ( mm = 1; mm < blend->num_designs; mm++ ) + tmp = ADD_LONG( tmp, + FT_MulFix( *delta++, + blend->weight_vector[mm] ) ); + + *values++ = tmp; + } + + known_othersubr_result_cnt = (FT_Int)num_points; + break; + } + + case 19: + /* <idx> 1 19 callothersubr */ + /* => replace elements starting from index cvi( <idx> ) */ + /* of BuildCharArray with WeightVector */ + { + FT_Int idx; + PS_Blend blend = decoder->blend; + + + if ( arg_cnt != 1 || !blend ) + goto Unexpected_OtherSubr; + + idx = Fix2Int( top[0] ); + + if ( idx < 0 || + (FT_UInt)idx + blend->num_designs > decoder->len_buildchar ) + goto Unexpected_OtherSubr; + + ft_memcpy( &decoder->buildchar[idx], + blend->weight_vector, + blend->num_designs * + sizeof ( blend->weight_vector[0] ) ); + } + break; + + case 20: + /* <arg1> <arg2> 2 20 callothersubr pop */ + /* ==> push <arg1> + <arg2> onto T1 stack */ + if ( arg_cnt != 2 ) + goto Unexpected_OtherSubr; + + top[0] = ADD_LONG( top[0], top[1] ); + + known_othersubr_result_cnt = 1; + break; + + case 21: + /* <arg1> <arg2> 2 21 callothersubr pop */ + /* ==> push <arg1> - <arg2> onto T1 stack */ + if ( arg_cnt != 2 ) + goto Unexpected_OtherSubr; + + top[0] = SUB_LONG( top[0], top[1] ); + + known_othersubr_result_cnt = 1; + break; + + case 22: + /* <arg1> <arg2> 2 22 callothersubr pop */ + /* ==> push <arg1> * <arg2> onto T1 stack */ + if ( arg_cnt != 2 ) + goto Unexpected_OtherSubr; + + top[0] = FT_MulFix( top[0], top[1] ); + + known_othersubr_result_cnt = 1; + break; + + case 23: + /* <arg1> <arg2> 2 23 callothersubr pop */ + /* ==> push <arg1> / <arg2> onto T1 stack */ + if ( arg_cnt != 2 || top[1] == 0 ) + goto Unexpected_OtherSubr; + + top[0] = FT_DivFix( top[0], top[1] ); + + known_othersubr_result_cnt = 1; + break; + + case 24: + /* <val> <idx> 2 24 callothersubr */ + /* ==> set BuildCharArray[cvi( <idx> )] = <val> */ + { + FT_Int idx; + PS_Blend blend = decoder->blend; + + + if ( arg_cnt != 2 || !blend ) + goto Unexpected_OtherSubr; + + idx = Fix2Int( top[1] ); + + if ( idx < 0 || (FT_UInt) idx >= decoder->len_buildchar ) + goto Unexpected_OtherSubr; + + decoder->buildchar[idx] = top[0]; + } + break; + + case 25: + /* <idx> 1 25 callothersubr pop */ + /* ==> push BuildCharArray[cvi( idx )] */ + /* onto T1 stack */ + { + FT_Int idx; + PS_Blend blend = decoder->blend; + + + if ( arg_cnt != 1 || !blend ) + goto Unexpected_OtherSubr; + + idx = Fix2Int( top[0] ); + + if ( idx < 0 || (FT_UInt) idx >= decoder->len_buildchar ) + goto Unexpected_OtherSubr; + + top[0] = decoder->buildchar[idx]; + } + + known_othersubr_result_cnt = 1; + break; + +#if 0 + case 26: + /* <val> mark <idx> ==> set BuildCharArray[cvi( <idx> )] = <val>, */ + /* leave mark on T1 stack */ + /* <val> <idx> ==> set BuildCharArray[cvi( <idx> )] = <val> */ + XXX which routine has left its mark on the (PostScript) stack?; + break; +#endif + + case 27: + /* <res1> <res2> <val1> <val2> 4 27 callothersubr pop */ + /* ==> push <res1> onto T1 stack if <val1> <= <val2>, */ + /* otherwise push <res2> */ + if ( arg_cnt != 4 ) + goto Unexpected_OtherSubr; + + if ( top[2] > top[3] ) + top[0] = top[1]; + + known_othersubr_result_cnt = 1; + break; + + case 28: + /* 0 28 callothersubr pop */ + /* => push random value from interval [0, 1) onto stack */ + if ( arg_cnt != 0 ) + goto Unexpected_OtherSubr; + + { + FT_Fixed Rand; + + + Rand = seed; + if ( Rand >= 0x8000L ) + Rand++; + + top[0] = Rand; + + seed = FT_MulFix( seed, 0x10000L - seed ); + if ( seed == 0 ) + seed += 0x2873; + } + + known_othersubr_result_cnt = 1; + break; + + default: + if ( arg_cnt >= 0 && subr_no >= 0 ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " unknown othersubr [%d %d], wish me luck\n", + arg_cnt, subr_no )); + unknown_othersubr_result_cnt = arg_cnt; + break; + } + /* fall through */ + + Unexpected_OtherSubr: + FT_ERROR(( "t1_decoder_parse_charstrings:" + " invalid othersubr [%d %d]\n", arg_cnt, subr_no )); + goto Syntax_Error; + } + + top += known_othersubr_result_cnt; + + decoder->top = top; + } + else /* general operator */ + { + FT_Int num_args = t1_args_count[op]; + + + FT_ASSERT( num_args >= 0 ); + + if ( top - decoder->stack < num_args ) + goto Stack_Underflow; + + /* XXX Operators usually take their operands from the */ + /* bottom of the stack, i.e., the operands are */ + /* decoder->stack[0], ..., decoder->stack[num_args - 1]; */ + /* only div, callsubr, and callothersubr are different. */ + /* In practice it doesn't matter (?). */ + +#ifdef FT_DEBUG_LEVEL_TRACE + + switch ( op ) + { + case op_callsubr: + case op_div: + case op_callothersubr: + case op_pop: + case op_return: + break; + + default: + if ( top - decoder->stack != num_args ) + FT_TRACE0(( "t1_decoder_parse_charstrings:" + " too much operands on the stack" + " (seen %d, expected %d)\n", + top - decoder->stack, num_args )); + break; + } + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + top -= num_args; + + switch ( op ) + { + case op_endchar: + FT_TRACE4(( " endchar\n" )); + + t1_builder_close_contour( builder ); + + /* close hints recording session */ + if ( hinter ) + { + if ( hinter->close( hinter->hints, + (FT_UInt)builder->current->n_points ) ) + goto Syntax_Error; + + /* apply hints to the loaded glyph outline now */ + error = hinter->apply( hinter->hints, + builder->current, + (PSH_Globals)builder->hints_globals, + decoder->hint_mode ); + if ( error ) + goto Fail; + } + + /* add current outline to the glyph slot */ + FT_GlyphLoader_Add( builder->loader ); + + /* the compiler should optimize away this empty loop but ... */ + +#ifdef FT_DEBUG_LEVEL_TRACE + + if ( decoder->len_buildchar > 0 ) + { + FT_UInt i; + + + FT_TRACE4(( "BuildCharArray = [ " )); + + for ( i = 0; i < decoder->len_buildchar; i++ ) + FT_TRACE4(( "%d ", decoder->buildchar[i] )); + + FT_TRACE4(( "]\n" )); + } + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + FT_TRACE4(( "\n" )); + + /* return now! */ + return FT_Err_Ok; + + case op_hsbw: + FT_TRACE4(( " hsbw" )); + + builder->parse_state = T1_Parse_Have_Width; + + builder->left_bearing.x = ADD_LONG( builder->left_bearing.x, + top[0] ); + + builder->advance.x = top[1]; + builder->advance.y = 0; + + orig_x = x = ADD_LONG( builder->pos_x, top[0] ); + orig_y = y = builder->pos_y; + + FT_UNUSED( orig_y ); + + /* the `metrics_only' indicates that we only want to compute */ + /* the glyph's metrics (lsb + advance width), not load the */ + /* rest of it; so exit immediately */ + if ( builder->metrics_only ) + return FT_Err_Ok; + + break; + + case op_seac: + return t1operator_seac( decoder, + top[0], + top[1], + top[2], + Fix2Int( top[3] ), + Fix2Int( top[4] ) ); + + case op_sbw: + FT_TRACE4(( " sbw" )); + + builder->parse_state = T1_Parse_Have_Width; + + builder->left_bearing.x = ADD_LONG( builder->left_bearing.x, + top[0] ); + builder->left_bearing.y = ADD_LONG( builder->left_bearing.y, + top[1] ); + + builder->advance.x = top[2]; + builder->advance.y = top[3]; + + x = ADD_LONG( builder->pos_x, top[0] ); + y = ADD_LONG( builder->pos_y, top[1] ); + + /* the `metrics_only' indicates that we only want to compute */ + /* the glyph's metrics (lsb + advance width), not load the */ + /* rest of it; so exit immediately */ + if ( builder->metrics_only ) + return FT_Err_Ok; + + break; + + case op_closepath: + FT_TRACE4(( " closepath" )); + + /* if there is no path, `closepath' is a no-op */ + if ( builder->parse_state == T1_Parse_Have_Path || + builder->parse_state == T1_Parse_Have_Moveto ) + t1_builder_close_contour( builder ); + + builder->parse_state = T1_Parse_Have_Width; + break; + + case op_hlineto: + FT_TRACE4(( " hlineto" )); + + if ( FT_SET_ERROR( t1_builder_start_point( builder, x, y ) ) ) + goto Fail; + + x = ADD_LONG( x, top[0] ); + goto Add_Line; + + case op_hmoveto: + FT_TRACE4(( " hmoveto" )); + + x = ADD_LONG( x, top[0] ); + + if ( !decoder->flex_state ) + { + if ( builder->parse_state == T1_Parse_Start ) + goto Syntax_Error; + builder->parse_state = T1_Parse_Have_Moveto; + } + break; + + case op_hvcurveto: + FT_TRACE4(( " hvcurveto" )); + + if ( FT_SET_ERROR( t1_builder_start_point( builder, x, y ) ) || + FT_SET_ERROR( t1_builder_check_points( builder, 3 ) ) ) + goto Fail; + + x = ADD_LONG( x, top[0] ); + t1_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, top[1] ); + y = ADD_LONG( y, top[2] ); + t1_builder_add_point( builder, x, y, 0 ); + + y = ADD_LONG( y, top[3] ); + t1_builder_add_point( builder, x, y, 1 ); + break; + + case op_rlineto: + FT_TRACE4(( " rlineto" )); + + if ( FT_SET_ERROR( t1_builder_start_point( builder, x, y ) ) ) + goto Fail; + + x = ADD_LONG( x, top[0] ); + y = ADD_LONG( y, top[1] ); + + Add_Line: + if ( FT_SET_ERROR( t1_builder_add_point1( builder, x, y ) ) ) + goto Fail; + break; + + case op_rmoveto: + FT_TRACE4(( " rmoveto" )); + + x = ADD_LONG( x, top[0] ); + y = ADD_LONG( y, top[1] ); + + if ( !decoder->flex_state ) + { + if ( builder->parse_state == T1_Parse_Start ) + goto Syntax_Error; + builder->parse_state = T1_Parse_Have_Moveto; + } + break; + + case op_rrcurveto: + FT_TRACE4(( " rrcurveto" )); + + if ( FT_SET_ERROR( t1_builder_start_point( builder, x, y ) ) || + FT_SET_ERROR( t1_builder_check_points( builder, 3 ) ) ) + goto Fail; + + x = ADD_LONG( x, top[0] ); + y = ADD_LONG( y, top[1] ); + t1_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, top[2] ); + y = ADD_LONG( y, top[3] ); + t1_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, top[4] ); + y = ADD_LONG( y, top[5] ); + t1_builder_add_point( builder, x, y, 1 ); + break; + + case op_vhcurveto: + FT_TRACE4(( " vhcurveto" )); + + if ( FT_SET_ERROR( t1_builder_start_point( builder, x, y ) ) || + FT_SET_ERROR( t1_builder_check_points( builder, 3 ) ) ) + goto Fail; + + y = ADD_LONG( y, top[0] ); + t1_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, top[1] ); + y = ADD_LONG( y, top[2] ); + t1_builder_add_point( builder, x, y, 0 ); + + x = ADD_LONG( x, top[3] ); + t1_builder_add_point( builder, x, y, 1 ); + break; + + case op_vlineto: + FT_TRACE4(( " vlineto" )); + + if ( FT_SET_ERROR( t1_builder_start_point( builder, x, y ) ) ) + goto Fail; + + y = ADD_LONG( y, top[0] ); + goto Add_Line; + + case op_vmoveto: + FT_TRACE4(( " vmoveto" )); + + y = ADD_LONG( y, top[0] ); + + if ( !decoder->flex_state ) + { + if ( builder->parse_state == T1_Parse_Start ) + goto Syntax_Error; + builder->parse_state = T1_Parse_Have_Moveto; + } + break; + + case op_div: + FT_TRACE4(( " div" )); + + /* if `large_int' is set, we divide unscaled numbers; */ + /* otherwise, we divide numbers in 16.16 format -- */ + /* in both cases, it is the same operation */ + *top = FT_DivFix( top[0], top[1] ); + top++; + + large_int = FALSE; + break; + + case op_callsubr: + { + FT_Int idx; + + + FT_TRACE4(( " callsubr" )); + + idx = Fix2Int( top[0] ); + + if ( decoder->subrs_hash ) + { + size_t* val = ft_hash_num_lookup( idx, + decoder->subrs_hash ); + + + if ( val ) + idx = *val; + else + idx = -1; + } + + if ( idx < 0 || idx >= decoder->num_subrs ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " invalid subrs index\n" )); + goto Syntax_Error; + } + + if ( zone - decoder->zones >= T1_MAX_SUBRS_CALLS ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " too many nested subrs\n" )); + goto Syntax_Error; + } + + zone->cursor = ip; /* save current instruction pointer */ + + zone++; + + /* The Type 1 driver stores subroutines without the seed bytes. */ + /* The CID driver stores subroutines with seed bytes. This */ + /* case is taken care of when decoder->subrs_len == 0. */ + zone->base = decoder->subrs[idx]; + + if ( decoder->subrs_len ) + zone->limit = zone->base + decoder->subrs_len[idx]; + else + { + /* We are using subroutines from a CID font. We must adjust */ + /* for the seed bytes. */ + zone->base += ( decoder->lenIV >= 0 ? decoder->lenIV : 0 ); + zone->limit = decoder->subrs[idx + 1]; + } + + zone->cursor = zone->base; + + if ( !zone->base ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " invoking empty subrs\n" )); + goto Syntax_Error; + } + + decoder->zone = zone; + ip = zone->base; + limit = zone->limit; + break; + } + + case op_pop: + FT_TRACE4(( " pop" )); + + if ( known_othersubr_result_cnt > 0 ) + { + known_othersubr_result_cnt--; + /* ignore, we pushed the operands ourselves */ + break; + } + + if ( unknown_othersubr_result_cnt == 0 ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " no more operands for othersubr\n" )); + goto Syntax_Error; + } + + unknown_othersubr_result_cnt--; + top++; /* `push' the operand to callothersubr onto the stack */ + break; + + case op_return: + FT_TRACE4(( " return" )); + + if ( zone <= decoder->zones ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " unexpected return\n" )); + goto Syntax_Error; + } + + zone--; + ip = zone->cursor; + limit = zone->limit; + decoder->zone = zone; + break; + + case op_dotsection: + FT_TRACE4(( " dotsection" )); + + break; + + case op_hstem: + FT_TRACE4(( " hstem" )); + + /* record horizontal hint */ + if ( hinter ) + { + /* top[0] += builder->left_bearing.y; */ + hinter->stem( hinter->hints, 1, top ); + } + break; + + case op_hstem3: + FT_TRACE4(( " hstem3" )); + + /* record horizontal counter-controlled hints */ + if ( hinter ) + hinter->stem3( hinter->hints, 1, top ); + break; + + case op_vstem: + FT_TRACE4(( " vstem" )); + + /* record vertical hint */ + if ( hinter ) + { + top[0] = ADD_LONG( top[0], orig_x ); + hinter->stem( hinter->hints, 0, top ); + } + break; + + case op_vstem3: + FT_TRACE4(( " vstem3" )); + + /* record vertical counter-controlled hints */ + if ( hinter ) + { + FT_Pos dx = orig_x; + + + top[0] = ADD_LONG( top[0], dx ); + top[2] = ADD_LONG( top[2], dx ); + top[4] = ADD_LONG( top[4], dx ); + hinter->stem3( hinter->hints, 0, top ); + } + break; + + case op_setcurrentpoint: + FT_TRACE4(( " setcurrentpoint" )); + + /* From the T1 specification, section 6.4: */ + /* */ + /* The setcurrentpoint command is used only in */ + /* conjunction with results from OtherSubrs procedures. */ + + /* known_othersubr_result_cnt != 0 is already handled */ + /* above. */ + + /* Note, however, that both Ghostscript and Adobe */ + /* Distiller handle this situation by silently ignoring */ + /* the inappropriate `setcurrentpoint' instruction. So */ + /* we do the same. */ +#if 0 + + if ( decoder->flex_state != 1 ) + { + FT_ERROR(( "t1_decoder_parse_charstrings:" + " unexpected `setcurrentpoint'\n" )); + goto Syntax_Error; + } + else + ... +#endif + + x = top[0]; + y = top[1]; + decoder->flex_state = 0; + break; + + case op_unknown15: + FT_TRACE4(( " opcode_15" )); + /* nothing to do except to pop the two arguments */ + break; + + default: + FT_ERROR(( "t1_decoder_parse_charstrings:" + " unhandled opcode %d\n", op )); + goto Syntax_Error; + } + + /* XXX Operators usually clear the operand stack; */ + /* only div, callsubr, callothersubr, pop, and */ + /* return are different. */ + /* In practice it doesn't matter (?). */ + + decoder->top = top; + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE4(( "\n" )); + bol = TRUE; +#endif + + } /* general operator processing */ + + } /* while ip < limit */ + + FT_TRACE4(( "..end..\n\n" )); + + Fail: + return error; + + Syntax_Error: + return FT_THROW( Syntax_Error ); + + Stack_Underflow: + return FT_THROW( Stack_Underflow ); + } + +#else /* T1_CONFIG_OPTION_OLD_ENGINE */ + + /*************************************************************************/ + /* */ + /* <Function> */ + /* t1_decoder_parse_metrics */ + /* */ + /* <Description> */ + /* Parses a given Type 1 charstrings program to extract width */ + /* */ + /* <Input> */ + /* decoder :: The current Type 1 decoder. */ + /* */ + /* charstring_base :: The base address of the charstring stream. */ + /* */ + /* charstring_len :: The length in bytes of the charstring stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + t1_decoder_parse_metrics( T1_Decoder decoder, + FT_Byte* charstring_base, + FT_UInt charstring_len ) + { + T1_Decoder_Zone zone; + FT_Byte* ip; + FT_Byte* limit; + T1_Builder builder = &decoder->builder; + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_Bool bol = TRUE; +#endif + + + /* First of all, initialize the decoder */ + decoder->top = decoder->stack; + decoder->zone = decoder->zones; + zone = decoder->zones; + + builder->parse_state = T1_Parse_Start; + + FT_TRACE4(( "\n" + "Start charstring: get width\n" )); + + zone->base = charstring_base; + limit = zone->limit = charstring_base + charstring_len; + ip = zone->cursor = zone->base; + + /* now, execute loop */ + while ( ip < limit ) + { + FT_Long* top = decoder->top; + T1_Operator op = op_none; + FT_Int32 value = 0; + + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( bol ) + { + FT_TRACE5(( " (%d)", decoder->top - decoder->stack )); + bol = FALSE; + } +#endif + + /*********************************************************************/ + /* */ + /* Decode operator or operand */ + /* */ + /* */ + + /* first of all, decompress operator or value */ + switch ( *ip++ ) + { + case 1: + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + case 9: + case 10: + case 11: + case 14: + case 15: + case 21: + case 22: + case 30: + case 31: + goto No_Width; + + case 13: + op = op_hsbw; + break; + + case 12: + if ( ip >= limit ) + { + FT_ERROR(( "t1_decoder_parse_metrics:" + " invalid escape (12+EOF)\n" )); + goto Syntax_Error; + } + + switch ( *ip++ ) + { + case 7: + op = op_sbw; + break; + + default: + goto No_Width; + } + break; + + case 255: /* four bytes integer */ + if ( ip + 4 > limit ) + { + FT_ERROR(( "t1_decoder_parse_metrics:" + " unexpected EOF in integer\n" )); + goto Syntax_Error; + } + + value = (FT_Int32)( ( (FT_UInt32)ip[0] << 24 ) | + ( (FT_UInt32)ip[1] << 16 ) | + ( (FT_UInt32)ip[2] << 8 ) | + (FT_UInt32)ip[3] ); + ip += 4; + + /* According to the specification, values > 32000 or < -32000 must */ + /* be followed by a `div' operator to make the result be in the */ + /* range [-32000;32000]. We expect that the second argument of */ + /* `div' is not a large number. Additionally, we don't handle */ + /* stuff like `<large1> <large2> <num> div <num> div' or */ + /* <large1> <large2> <num> div div'. This is probably not allowed */ + /* anyway. */ + if ( value > 32000 || value < -32000 ) + { + FT_ERROR(( "t1_decoder_parse_metrics:" + " large integer found for width\n" )); + goto Syntax_Error; + } + else + { + value = (FT_Int32)( (FT_UInt32)value << 16 ); + } + + break; + + default: + if ( ip[-1] >= 32 ) + { + if ( ip[-1] < 247 ) + value = (FT_Int32)ip[-1] - 139; + else + { + if ( ++ip > limit ) + { + FT_ERROR(( "t1_decoder_parse_metrics:" + " unexpected EOF in integer\n" )); + goto Syntax_Error; + } + + if ( ip[-2] < 251 ) + value = ( ( ip[-2] - 247 ) * 256 ) + ip[-1] + 108; + else + value = -( ( ( ip[-2] - 251 ) * 256 ) + ip[-1] + 108 ); + } + + value = (FT_Int32)( (FT_UInt32)value << 16 ); + } + else + { + FT_ERROR(( "t1_decoder_parse_metrics:" + " invalid byte (%d)\n", ip[-1] )); + goto Syntax_Error; + } + } + + /*********************************************************************/ + /* */ + /* Push value on stack, or process operator */ + /* */ + /* */ + if ( op == op_none ) + { + if ( top - decoder->stack >= T1_MAX_CHARSTRINGS_OPERANDS ) + { + FT_ERROR(( "t1_decoder_parse_metrics: stack overflow\n" )); + goto Syntax_Error; + } + +#ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE4(( " %d", value / 65536 )); +#endif + + *top++ = value; + decoder->top = top; + } + else /* general operator */ + { + FT_Int num_args = t1_args_count[op]; + + + FT_ASSERT( num_args >= 0 ); + + if ( top - decoder->stack < num_args ) + goto Stack_Underflow; + +#ifdef FT_DEBUG_LEVEL_TRACE + + if ( top - decoder->stack != num_args ) + FT_TRACE0(( "t1_decoder_parse_metrics:" + " too much operands on the stack" + " (seen %d, expected %d)\n", + top - decoder->stack, num_args )); + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + top -= num_args; + + switch ( op ) + { + case op_hsbw: + FT_TRACE4(( " hsbw" )); + + builder->parse_state = T1_Parse_Have_Width; + + builder->left_bearing.x = ADD_LONG( builder->left_bearing.x, + top[0] ); + + builder->advance.x = top[1]; + builder->advance.y = 0; + + /* we only want to compute the glyph's metrics */ + /* (lsb + advance width), not load the rest of */ + /* it; so exit immediately */ + return FT_Err_Ok; + + case op_sbw: + FT_TRACE4(( " sbw" )); + + builder->parse_state = T1_Parse_Have_Width; + + builder->left_bearing.x = ADD_LONG( builder->left_bearing.x, + top[0] ); + builder->left_bearing.y = ADD_LONG( builder->left_bearing.y, + top[1] ); + + builder->advance.x = top[2]; + builder->advance.y = top[3]; + + /* we only want to compute the glyph's metrics */ + /* (lsb + advance width), not load the rest of */ + /* it; so exit immediately */ + return FT_Err_Ok; + + default: + FT_ERROR(( "t1_decoder_parse_metrics:" + " unhandled opcode %d\n", op )); + goto Syntax_Error; + } + + } /* general operator processing */ + + } /* while ip < limit */ + + FT_TRACE4(( "..end..\n\n" )); + + No_Width: + FT_ERROR(( "t1_decoder_parse_metrics:" + " no width, found op %d instead\n", + ip[-1] )); + Syntax_Error: + return FT_THROW( Syntax_Error ); + + Stack_Underflow: + return FT_THROW( Stack_Underflow ); + } +#endif /* T1_CONFIG_OPTION_OLD_ENGINE */ + + + /* initialize T1 decoder */ + FT_LOCAL_DEF( FT_Error ) + t1_decoder_init( T1_Decoder decoder, + FT_Face face, + FT_Size size, + FT_GlyphSlot slot, + FT_Byte** glyph_names, + PS_Blend blend, + FT_Bool hinting, + FT_Render_Mode hint_mode, + T1_Decoder_Callback parse_callback ) + { + FT_ZERO( decoder ); + + /* retrieve PSNames interface from list of current modules */ + { + FT_Service_PsCMaps psnames; + + + FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); + if ( !psnames ) + { + FT_ERROR(( "t1_decoder_init:" + " the `psnames' module is not available\n" )); + return FT_THROW( Unimplemented_Feature ); + } + + decoder->psnames = psnames; + } + + t1_builder_init( &decoder->builder, face, size, slot, hinting ); + + /* decoder->buildchar and decoder->len_buildchar have to be */ + /* initialized by the caller since we cannot know the length */ + /* of the BuildCharArray */ + + decoder->num_glyphs = (FT_UInt)face->num_glyphs; + decoder->glyph_names = glyph_names; + decoder->hint_mode = hint_mode; + decoder->blend = blend; + decoder->parse_callback = parse_callback; + + decoder->funcs = t1_decoder_funcs; + + return FT_Err_Ok; + } + + + /* finalize T1 decoder */ + FT_LOCAL_DEF( void ) + t1_decoder_done( T1_Decoder decoder ) + { + FT_Memory memory = decoder->builder.memory; + + + t1_builder_done( &decoder->builder ); + + if ( decoder->cf2_instance.finalizer ) + { + decoder->cf2_instance.finalizer( decoder->cf2_instance.data ); + FT_FREE( decoder->cf2_instance.data ); + } + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1decode.h b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1decode.h new file mode 100644 index 00000000000..1d9718d678e --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psaux/t1decode.h @@ -0,0 +1,74 @@ +/***************************************************************************/ +/* */ +/* t1decode.h */ +/* */ +/* PostScript Type 1 decoding routines (specification). */ +/* */ +/* Copyright 2000-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1DECODE_H_ +#define T1DECODE_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_INTERNAL_TYPE1_TYPES_H + + +FT_BEGIN_HEADER + + + FT_CALLBACK_TABLE + const T1_Decoder_FuncsRec t1_decoder_funcs; + + FT_LOCAL( FT_Int ) + t1_lookup_glyph_by_stdcharcode_ps( PS_Decoder* decoder, + FT_Int charcode ); + +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + FT_LOCAL( FT_Error ) + t1_decoder_parse_glyph( T1_Decoder decoder, + FT_UInt glyph_index ); + + FT_LOCAL( FT_Error ) + t1_decoder_parse_charstrings( T1_Decoder decoder, + FT_Byte* base, + FT_UInt len ); +#else + FT_LOCAL( FT_Error ) + t1_decoder_parse_metrics( T1_Decoder decoder, + FT_Byte* charstring_base, + FT_UInt charstring_len ); +#endif + + FT_LOCAL( FT_Error ) + t1_decoder_init( T1_Decoder decoder, + FT_Face face, + FT_Size size, + FT_GlyphSlot slot, + FT_Byte** glyph_names, + PS_Blend blend, + FT_Bool hinting, + FT_Render_Mode hint_mode, + T1_Decoder_Callback parse_glyph ); + + FT_LOCAL( void ) + t1_decoder_done( T1_Decoder decoder ); + + +FT_END_HEADER + +#endif /* T1DECODE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshalgo.c b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshalgo.c new file mode 100644 index 00000000000..b98077c62ef --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshalgo.c @@ -0,0 +1,2195 @@ +/***************************************************************************/ +/* */ +/* pshalgo.c */ +/* */ +/* PostScript hinting algorithm (body). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used */ +/* modified and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_CALC_H +#include "pshalgo.h" + +#include "pshnterr.h" + + +#undef FT_COMPONENT +#define FT_COMPONENT trace_pshalgo + + +#ifdef DEBUG_HINTER + PSH_Hint_Table ps_debug_hint_table = NULL; + PSH_HintFunc ps_debug_hint_func = NULL; + PSH_Glyph ps_debug_glyph = NULL; +#endif + + +#define COMPUTE_INFLEXS /* compute inflection points to optimize `S' */ + /* and similar glyphs */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** BASIC HINTS RECORDINGS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* return true if two stem hints overlap */ + static FT_Int + psh_hint_overlap( PSH_Hint hint1, + PSH_Hint hint2 ) + { + return hint1->org_pos + hint1->org_len >= hint2->org_pos && + hint2->org_pos + hint2->org_len >= hint1->org_pos; + } + + + /* destroy hints table */ + static void + psh_hint_table_done( PSH_Hint_Table table, + FT_Memory memory ) + { + FT_FREE( table->zones ); + table->num_zones = 0; + table->zone = NULL; + + FT_FREE( table->sort ); + FT_FREE( table->hints ); + table->num_hints = 0; + table->max_hints = 0; + table->sort_global = NULL; + } + + + /* deactivate all hints in a table */ + static void + psh_hint_table_deactivate( PSH_Hint_Table table ) + { + FT_UInt count = table->max_hints; + PSH_Hint hint = table->hints; + + + for ( ; count > 0; count--, hint++ ) + { + psh_hint_deactivate( hint ); + hint->order = -1; + } + } + + + /* internal function to record a new hint */ + static void + psh_hint_table_record( PSH_Hint_Table table, + FT_UInt idx ) + { + PSH_Hint hint = table->hints + idx; + + + if ( idx >= table->max_hints ) + { + FT_TRACE0(( "psh_hint_table_record: invalid hint index %d\n", idx )); + return; + } + + /* ignore active hints */ + if ( psh_hint_is_active( hint ) ) + return; + + psh_hint_activate( hint ); + + /* now scan the current active hint set to check */ + /* whether `hint' overlaps with another hint */ + { + PSH_Hint* sorted = table->sort_global; + FT_UInt count = table->num_hints; + PSH_Hint hint2; + + + hint->parent = NULL; + for ( ; count > 0; count--, sorted++ ) + { + hint2 = sorted[0]; + + if ( psh_hint_overlap( hint, hint2 ) ) + { + hint->parent = hint2; + break; + } + } + } + + if ( table->num_hints < table->max_hints ) + table->sort_global[table->num_hints++] = hint; + else + FT_TRACE0(( "psh_hint_table_record: too many sorted hints! BUG!\n" )); + } + + + static void + psh_hint_table_record_mask( PSH_Hint_Table table, + PS_Mask hint_mask ) + { + FT_Int mask = 0, val = 0; + FT_Byte* cursor = hint_mask->bytes; + FT_UInt idx, limit; + + + limit = hint_mask->num_bits; + + for ( idx = 0; idx < limit; idx++ ) + { + if ( mask == 0 ) + { + val = *cursor++; + mask = 0x80; + } + + if ( val & mask ) + psh_hint_table_record( table, idx ); + + mask >>= 1; + } + } + + + /* create hints table */ + static FT_Error + psh_hint_table_init( PSH_Hint_Table table, + PS_Hint_Table hints, + PS_Mask_Table hint_masks, + PS_Mask_Table counter_masks, + FT_Memory memory ) + { + FT_UInt count; + FT_Error error; + + FT_UNUSED( counter_masks ); + + + count = hints->num_hints; + + /* allocate our tables */ + if ( FT_NEW_ARRAY( table->sort, 2 * count ) || + FT_NEW_ARRAY( table->hints, count ) || + FT_NEW_ARRAY( table->zones, 2 * count + 1 ) ) + goto Exit; + + table->max_hints = count; + table->sort_global = table->sort + count; + table->num_hints = 0; + table->num_zones = 0; + table->zone = NULL; + + /* initialize the `table->hints' array */ + { + PSH_Hint write = table->hints; + PS_Hint read = hints->hints; + + + for ( ; count > 0; count--, write++, read++ ) + { + write->org_pos = read->pos; + write->org_len = read->len; + write->flags = read->flags; + } + } + + /* we now need to determine the initial `parent' stems; first */ + /* activate the hints that are given by the initial hint masks */ + if ( hint_masks ) + { + PS_Mask mask = hint_masks->masks; + + + count = hint_masks->num_masks; + table->hint_masks = hint_masks; + + for ( ; count > 0; count--, mask++ ) + psh_hint_table_record_mask( table, mask ); + } + + /* finally, do a linear parse in case some hints were left alone */ + if ( table->num_hints != table->max_hints ) + { + FT_UInt idx; + + + FT_TRACE0(( "psh_hint_table_init: missing/incorrect hint masks\n" )); + + count = table->max_hints; + for ( idx = 0; idx < count; idx++ ) + psh_hint_table_record( table, idx ); + } + + Exit: + return error; + } + + + static void + psh_hint_table_activate_mask( PSH_Hint_Table table, + PS_Mask hint_mask ) + { + FT_Int mask = 0, val = 0; + FT_Byte* cursor = hint_mask->bytes; + FT_UInt idx, limit, count; + + + limit = hint_mask->num_bits; + count = 0; + + psh_hint_table_deactivate( table ); + + for ( idx = 0; idx < limit; idx++ ) + { + if ( mask == 0 ) + { + val = *cursor++; + mask = 0x80; + } + + if ( val & mask ) + { + PSH_Hint hint = &table->hints[idx]; + + + if ( !psh_hint_is_active( hint ) ) + { + FT_UInt count2; + +#if 0 + PSH_Hint* sort = table->sort; + PSH_Hint hint2; + + + for ( count2 = count; count2 > 0; count2--, sort++ ) + { + hint2 = sort[0]; + if ( psh_hint_overlap( hint, hint2 ) ) + FT_TRACE0(( "psh_hint_table_activate_mask:" + " found overlapping hints\n" )) + } +#else + count2 = 0; +#endif + + if ( count2 == 0 ) + { + psh_hint_activate( hint ); + if ( count < table->max_hints ) + table->sort[count++] = hint; + else + FT_TRACE0(( "psh_hint_tableactivate_mask:" + " too many active hints\n" )); + } + } + } + + mask >>= 1; + } + table->num_hints = count; + + /* now, sort the hints; they are guaranteed to not overlap */ + /* so we can compare their "org_pos" field directly */ + { + FT_Int i1, i2; + PSH_Hint hint1, hint2; + PSH_Hint* sort = table->sort; + + + /* a simple bubble sort will do, since in 99% of cases, the hints */ + /* will be already sorted -- and the sort will be linear */ + for ( i1 = 1; i1 < (FT_Int)count; i1++ ) + { + hint1 = sort[i1]; + for ( i2 = i1 - 1; i2 >= 0; i2-- ) + { + hint2 = sort[i2]; + + if ( hint2->org_pos < hint1->org_pos ) + break; + + sort[i2 + 1] = hint2; + sort[i2] = hint1; + } + } + } + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** HINTS GRID-FITTING AND OPTIMIZATION *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#if 1 + static FT_Pos + psh_dimension_quantize_len( PSH_Dimension dim, + FT_Pos len, + FT_Bool do_snapping ) + { + if ( len <= 64 ) + len = 64; + else + { + FT_Pos delta = len - dim->stdw.widths[0].cur; + + + if ( delta < 0 ) + delta = -delta; + + if ( delta < 40 ) + { + len = dim->stdw.widths[0].cur; + if ( len < 48 ) + len = 48; + } + + if ( len < 3 * 64 ) + { + delta = ( len & 63 ); + len &= -64; + + if ( delta < 10 ) + len += delta; + + else if ( delta < 32 ) + len += 10; + + else if ( delta < 54 ) + len += 54; + + else + len += delta; + } + else + len = FT_PIX_ROUND( len ); + } + + if ( do_snapping ) + len = FT_PIX_ROUND( len ); + + return len; + } +#endif /* 0 */ + + +#ifdef DEBUG_HINTER + + static void + ps_simple_scale( PSH_Hint_Table table, + FT_Fixed scale, + FT_Fixed delta, + FT_Int dimension ) + { + FT_UInt count; + + + for ( count = 0; count < table->max_hints; count++ ) + { + PSH_Hint hint = table->hints + count; + + + hint->cur_pos = FT_MulFix( hint->org_pos, scale ) + delta; + hint->cur_len = FT_MulFix( hint->org_len, scale ); + + if ( ps_debug_hint_func ) + ps_debug_hint_func( hint, dimension ); + } + } + +#endif /* DEBUG_HINTER */ + + + static FT_Fixed + psh_hint_snap_stem_side_delta( FT_Fixed pos, + FT_Fixed len ) + { + FT_Fixed delta1 = FT_PIX_ROUND( pos ) - pos; + FT_Fixed delta2 = FT_PIX_ROUND( pos + len ) - pos - len; + + + if ( FT_ABS( delta1 ) <= FT_ABS( delta2 ) ) + return delta1; + else + return delta2; + } + + + static void + psh_hint_align( PSH_Hint hint, + PSH_Globals globals, + FT_Int dimension, + PSH_Glyph glyph ) + { + PSH_Dimension dim = &globals->dimension[dimension]; + FT_Fixed scale = dim->scale_mult; + FT_Fixed delta = dim->scale_delta; + + + if ( !psh_hint_is_fitted( hint ) ) + { + FT_Pos pos = FT_MulFix( hint->org_pos, scale ) + delta; + FT_Pos len = FT_MulFix( hint->org_len, scale ); + + FT_Int do_snapping; + FT_Pos fit_len; + PSH_AlignmentRec align; + + + /* ignore stem alignments when requested through the hint flags */ + if ( ( dimension == 0 && !glyph->do_horz_hints ) || + ( dimension == 1 && !glyph->do_vert_hints ) ) + { + hint->cur_pos = pos; + hint->cur_len = len; + + psh_hint_set_fitted( hint ); + return; + } + + /* perform stem snapping when requested - this is necessary + * for monochrome and LCD hinting modes only + */ + do_snapping = ( dimension == 0 && glyph->do_horz_snapping ) || + ( dimension == 1 && glyph->do_vert_snapping ); + + hint->cur_len = fit_len = len; + + /* check blue zones for horizontal stems */ + align.align = PSH_BLUE_ALIGN_NONE; + align.align_bot = align.align_top = 0; + + if ( dimension == 1 ) + psh_blues_snap_stem( &globals->blues, + hint->org_pos + hint->org_len, + hint->org_pos, + &align ); + + switch ( align.align ) + { + case PSH_BLUE_ALIGN_TOP: + /* the top of the stem is aligned against a blue zone */ + hint->cur_pos = align.align_top - fit_len; + break; + + case PSH_BLUE_ALIGN_BOT: + /* the bottom of the stem is aligned against a blue zone */ + hint->cur_pos = align.align_bot; + break; + + case PSH_BLUE_ALIGN_TOP | PSH_BLUE_ALIGN_BOT: + /* both edges of the stem are aligned against blue zones */ + hint->cur_pos = align.align_bot; + hint->cur_len = align.align_top - align.align_bot; + break; + + default: + { + PSH_Hint parent = hint->parent; + + + if ( parent ) + { + FT_Pos par_org_center, par_cur_center; + FT_Pos cur_org_center, cur_delta; + + + /* ensure that parent is already fitted */ + if ( !psh_hint_is_fitted( parent ) ) + psh_hint_align( parent, globals, dimension, glyph ); + + /* keep original relation between hints, this is, use the */ + /* scaled distance between the centers of the hints to */ + /* compute the new position */ + par_org_center = parent->org_pos + ( parent->org_len >> 1 ); + par_cur_center = parent->cur_pos + ( parent->cur_len >> 1 ); + cur_org_center = hint->org_pos + ( hint->org_len >> 1 ); + + cur_delta = FT_MulFix( cur_org_center - par_org_center, scale ); + pos = par_cur_center + cur_delta - ( len >> 1 ); + } + + hint->cur_pos = pos; + hint->cur_len = fit_len; + + /* Stem adjustment tries to snap stem widths to standard + * ones. This is important to prevent unpleasant rounding + * artefacts. + */ + if ( glyph->do_stem_adjust ) + { + if ( len <= 64 ) + { + /* the stem is less than one pixel; we will center it + * around the nearest pixel center + */ + if ( len >= 32 ) + { + /* This is a special case where we also widen the stem + * and align it to the pixel grid. + * + * stem_center = pos + (len/2) + * nearest_pixel_center = FT_ROUND(stem_center-32)+32 + * new_pos = nearest_pixel_center-32 + * = FT_ROUND(stem_center-32) + * = FT_FLOOR(stem_center-32+32) + * = FT_FLOOR(stem_center) + * new_len = 64 + */ + pos = FT_PIX_FLOOR( pos + ( len >> 1 ) ); + len = 64; + } + else if ( len > 0 ) + { + /* This is a very small stem; we simply align it to the + * pixel grid, trying to find the minimum displacement. + * + * left = pos + * right = pos + len + * left_nearest_edge = ROUND(pos) + * right_nearest_edge = ROUND(right) + * + * if ( ABS(left_nearest_edge - left) <= + * ABS(right_nearest_edge - right) ) + * new_pos = left + * else + * new_pos = right + */ + FT_Pos left_nearest = FT_PIX_ROUND( pos ); + FT_Pos right_nearest = FT_PIX_ROUND( pos + len ); + FT_Pos left_disp = left_nearest - pos; + FT_Pos right_disp = right_nearest - ( pos + len ); + + + if ( left_disp < 0 ) + left_disp = -left_disp; + if ( right_disp < 0 ) + right_disp = -right_disp; + if ( left_disp <= right_disp ) + pos = left_nearest; + else + pos = right_nearest; + } + else + { + /* this is a ghost stem; we simply round it */ + pos = FT_PIX_ROUND( pos ); + } + } + else + { + len = psh_dimension_quantize_len( dim, len, 0 ); + } + } + + /* now that we have a good hinted stem width, try to position */ + /* the stem along a pixel grid integer coordinate */ + hint->cur_pos = pos + psh_hint_snap_stem_side_delta( pos, len ); + hint->cur_len = len; + } + } + + if ( do_snapping ) + { + pos = hint->cur_pos; + len = hint->cur_len; + + if ( len < 64 ) + len = 64; + else + len = FT_PIX_ROUND( len ); + + switch ( align.align ) + { + case PSH_BLUE_ALIGN_TOP: + hint->cur_pos = align.align_top - len; + hint->cur_len = len; + break; + + case PSH_BLUE_ALIGN_BOT: + hint->cur_len = len; + break; + + case PSH_BLUE_ALIGN_BOT | PSH_BLUE_ALIGN_TOP: + /* don't touch */ + break; + + + default: + hint->cur_len = len; + if ( len & 64 ) + pos = FT_PIX_FLOOR( pos + ( len >> 1 ) ) + 32; + else + pos = FT_PIX_ROUND( pos + ( len >> 1 ) ); + + hint->cur_pos = pos - ( len >> 1 ); + hint->cur_len = len; + } + } + + psh_hint_set_fitted( hint ); + +#ifdef DEBUG_HINTER + if ( ps_debug_hint_func ) + ps_debug_hint_func( hint, dimension ); +#endif + } + } + + +#if 0 /* not used for now, experimental */ + + /* + * A variant to perform "light" hinting (i.e. FT_RENDER_MODE_LIGHT) + * of stems + */ + static void + psh_hint_align_light( PSH_Hint hint, + PSH_Globals globals, + FT_Int dimension, + PSH_Glyph glyph ) + { + PSH_Dimension dim = &globals->dimension[dimension]; + FT_Fixed scale = dim->scale_mult; + FT_Fixed delta = dim->scale_delta; + + + if ( !psh_hint_is_fitted( hint ) ) + { + FT_Pos pos = FT_MulFix( hint->org_pos, scale ) + delta; + FT_Pos len = FT_MulFix( hint->org_len, scale ); + + FT_Pos fit_len; + + PSH_AlignmentRec align; + + + /* ignore stem alignments when requested through the hint flags */ + if ( ( dimension == 0 && !glyph->do_horz_hints ) || + ( dimension == 1 && !glyph->do_vert_hints ) ) + { + hint->cur_pos = pos; + hint->cur_len = len; + + psh_hint_set_fitted( hint ); + return; + } + + fit_len = len; + + hint->cur_len = fit_len; + + /* check blue zones for horizontal stems */ + align.align = PSH_BLUE_ALIGN_NONE; + align.align_bot = align.align_top = 0; + + if ( dimension == 1 ) + psh_blues_snap_stem( &globals->blues, + hint->org_pos + hint->org_len, + hint->org_pos, + &align ); + + switch ( align.align ) + { + case PSH_BLUE_ALIGN_TOP: + /* the top of the stem is aligned against a blue zone */ + hint->cur_pos = align.align_top - fit_len; + break; + + case PSH_BLUE_ALIGN_BOT: + /* the bottom of the stem is aligned against a blue zone */ + hint->cur_pos = align.align_bot; + break; + + case PSH_BLUE_ALIGN_TOP | PSH_BLUE_ALIGN_BOT: + /* both edges of the stem are aligned against blue zones */ + hint->cur_pos = align.align_bot; + hint->cur_len = align.align_top - align.align_bot; + break; + + default: + { + PSH_Hint parent = hint->parent; + + + if ( parent ) + { + FT_Pos par_org_center, par_cur_center; + FT_Pos cur_org_center, cur_delta; + + + /* ensure that parent is already fitted */ + if ( !psh_hint_is_fitted( parent ) ) + psh_hint_align_light( parent, globals, dimension, glyph ); + + par_org_center = parent->org_pos + ( parent->org_len / 2 ); + par_cur_center = parent->cur_pos + ( parent->cur_len / 2 ); + cur_org_center = hint->org_pos + ( hint->org_len / 2 ); + + cur_delta = FT_MulFix( cur_org_center - par_org_center, scale ); + pos = par_cur_center + cur_delta - ( len >> 1 ); + } + + /* Stems less than one pixel wide are easy -- we want to + * make them as dark as possible, so they must fall within + * one pixel. If the stem is split between two pixels + * then snap the edge that is nearer to the pixel boundary + * to the pixel boundary. + */ + if ( len <= 64 ) + { + if ( ( pos + len + 63 ) / 64 != pos / 64 + 1 ) + pos += psh_hint_snap_stem_side_delta ( pos, len ); + } + + /* Position stems other to minimize the amount of mid-grays. + * There are, in general, two positions that do this, + * illustrated as A) and B) below. + * + * + + + + + * + * A) |--------------------------------| + * B) |--------------------------------| + * C) |--------------------------------| + * + * Position A) (split the excess stem equally) should be better + * for stems of width N + f where f < 0.5. + * + * Position B) (split the deficiency equally) should be better + * for stems of width N + f where f > 0.5. + * + * It turns out though that minimizing the total number of lit + * pixels is also important, so position C), with one edge + * aligned with a pixel boundary is actually preferable + * to A). There are also more possible positions for C) than + * for A) or B), so it involves less distortion of the overall + * character shape. + */ + else /* len > 64 */ + { + FT_Fixed frac_len = len & 63; + FT_Fixed center = pos + ( len >> 1 ); + FT_Fixed delta_a, delta_b; + + + if ( ( len / 64 ) & 1 ) + { + delta_a = FT_PIX_FLOOR( center ) + 32 - center; + delta_b = FT_PIX_ROUND( center ) - center; + } + else + { + delta_a = FT_PIX_ROUND( center ) - center; + delta_b = FT_PIX_FLOOR( center ) + 32 - center; + } + + /* We choose between B) and C) above based on the amount + * of fractional stem width; for small amounts, choose + * C) always, for large amounts, B) always, and inbetween, + * pick whichever one involves less stem movement. + */ + if ( frac_len < 32 ) + { + pos += psh_hint_snap_stem_side_delta ( pos, len ); + } + else if ( frac_len < 48 ) + { + FT_Fixed side_delta = psh_hint_snap_stem_side_delta ( pos, + len ); + + if ( FT_ABS( side_delta ) < FT_ABS( delta_b ) ) + pos += side_delta; + else + pos += delta_b; + } + else + { + pos += delta_b; + } + } + + hint->cur_pos = pos; + } + } /* switch */ + + psh_hint_set_fitted( hint ); + +#ifdef DEBUG_HINTER + if ( ps_debug_hint_func ) + ps_debug_hint_func( hint, dimension ); +#endif + } + } + +#endif /* 0 */ + + + static void + psh_hint_table_align_hints( PSH_Hint_Table table, + PSH_Globals globals, + FT_Int dimension, + PSH_Glyph glyph ) + { + PSH_Hint hint; + FT_UInt count; + +#ifdef DEBUG_HINTER + + PSH_Dimension dim = &globals->dimension[dimension]; + FT_Fixed scale = dim->scale_mult; + FT_Fixed delta = dim->scale_delta; + + + if ( ps_debug_no_vert_hints && dimension == 0 ) + { + ps_simple_scale( table, scale, delta, dimension ); + return; + } + + if ( ps_debug_no_horz_hints && dimension == 1 ) + { + ps_simple_scale( table, scale, delta, dimension ); + return; + } + +#endif /* DEBUG_HINTER*/ + + hint = table->hints; + count = table->max_hints; + + for ( ; count > 0; count--, hint++ ) + psh_hint_align( hint, globals, dimension, glyph ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** POINTS INTERPOLATION ROUTINES *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#define xxDEBUG_ZONES + + +#ifdef DEBUG_ZONES + +#include FT_CONFIG_STANDARD_LIBRARY_H + + static void + psh_print_zone( PSH_Zone zone ) + { + printf( "zone [scale,delta,min,max] = [%.5f,%.2f,%d,%d]\n", + zone->scale / 65536.0, + zone->delta / 64.0, + zone->min, + zone->max ); + } + +#endif /* DEBUG_ZONES */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** HINTER GLYPH MANAGEMENT *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + +#define psh_corner_is_flat ft_corner_is_flat +#define psh_corner_orientation ft_corner_orientation + + +#ifdef COMPUTE_INFLEXS + + /* compute all inflex points in a given glyph */ + static void + psh_glyph_compute_inflections( PSH_Glyph glyph ) + { + FT_UInt n; + + + for ( n = 0; n < glyph->num_contours; n++ ) + { + PSH_Point first, start, end, before, after; + FT_Pos in_x, in_y, out_x, out_y; + FT_Int orient_prev, orient_cur; + FT_Int finished = 0; + + + /* we need at least 4 points to create an inflection point */ + if ( glyph->contours[n].count < 4 ) + continue; + + /* compute first segment in contour */ + first = glyph->contours[n].start; + + start = end = first; + do + { + end = end->next; + if ( end == first ) + goto Skip; + + in_x = end->org_u - start->org_u; + in_y = end->org_v - start->org_v; + + } while ( in_x == 0 && in_y == 0 ); + + /* extend the segment start whenever possible */ + before = start; + do + { + do + { + start = before; + before = before->prev; + if ( before == first ) + goto Skip; + + out_x = start->org_u - before->org_u; + out_y = start->org_v - before->org_v; + + } while ( out_x == 0 && out_y == 0 ); + + orient_prev = psh_corner_orientation( in_x, in_y, out_x, out_y ); + + } while ( orient_prev == 0 ); + + first = start; + in_x = out_x; + in_y = out_y; + + /* now, process all segments in the contour */ + do + { + /* first, extend current segment's end whenever possible */ + after = end; + do + { + do + { + end = after; + after = after->next; + if ( after == first ) + finished = 1; + + out_x = after->org_u - end->org_u; + out_y = after->org_v - end->org_v; + + } while ( out_x == 0 && out_y == 0 ); + + orient_cur = psh_corner_orientation( in_x, in_y, out_x, out_y ); + + } while ( orient_cur == 0 ); + + if ( ( orient_cur ^ orient_prev ) < 0 ) + { + do + { + psh_point_set_inflex( start ); + start = start->next; + } + while ( start != end ); + + psh_point_set_inflex( start ); + } + + start = end; + end = after; + orient_prev = orient_cur; + in_x = out_x; + in_y = out_y; + + } while ( !finished ); + + Skip: + ; + } + } + +#endif /* COMPUTE_INFLEXS */ + + + static void + psh_glyph_done( PSH_Glyph glyph ) + { + FT_Memory memory = glyph->memory; + + + psh_hint_table_done( &glyph->hint_tables[1], memory ); + psh_hint_table_done( &glyph->hint_tables[0], memory ); + + FT_FREE( glyph->points ); + FT_FREE( glyph->contours ); + + glyph->num_points = 0; + glyph->num_contours = 0; + + glyph->memory = NULL; + } + + + static int + psh_compute_dir( FT_Pos dx, + FT_Pos dy ) + { + FT_Pos ax, ay; + int result = PSH_DIR_NONE; + + + ax = FT_ABS( dx ); + ay = FT_ABS( dy ); + + if ( ay * 12 < ax ) + { + /* |dy| <<< |dx| means a near-horizontal segment */ + result = ( dx >= 0 ) ? PSH_DIR_RIGHT : PSH_DIR_LEFT; + } + else if ( ax * 12 < ay ) + { + /* |dx| <<< |dy| means a near-vertical segment */ + result = ( dy >= 0 ) ? PSH_DIR_UP : PSH_DIR_DOWN; + } + + return result; + } + + + /* load outline point coordinates into hinter glyph */ + static void + psh_glyph_load_points( PSH_Glyph glyph, + FT_Int dimension ) + { + FT_Vector* vec = glyph->outline->points; + PSH_Point point = glyph->points; + FT_UInt count = glyph->num_points; + + + for ( ; count > 0; count--, point++, vec++ ) + { + point->flags2 = 0; + point->hint = NULL; + if ( dimension == 0 ) + { + point->org_u = vec->x; + point->org_v = vec->y; + } + else + { + point->org_u = vec->y; + point->org_v = vec->x; + } + +#ifdef DEBUG_HINTER + point->org_x = vec->x; + point->org_y = vec->y; +#endif + + } + } + + + /* save hinted point coordinates back to outline */ + static void + psh_glyph_save_points( PSH_Glyph glyph, + FT_Int dimension ) + { + FT_UInt n; + PSH_Point point = glyph->points; + FT_Vector* vec = glyph->outline->points; + char* tags = glyph->outline->tags; + + + for ( n = 0; n < glyph->num_points; n++ ) + { + if ( dimension == 0 ) + vec[n].x = point->cur_u; + else + vec[n].y = point->cur_u; + + if ( psh_point_is_strong( point ) ) + tags[n] |= (char)( ( dimension == 0 ) ? 32 : 64 ); + +#ifdef DEBUG_HINTER + + if ( dimension == 0 ) + { + point->cur_x = point->cur_u; + point->flags_x = point->flags2 | point->flags; + } + else + { + point->cur_y = point->cur_u; + point->flags_y = point->flags2 | point->flags; + } + +#endif + + point++; + } + } + + + static FT_Error + psh_glyph_init( PSH_Glyph glyph, + FT_Outline* outline, + PS_Hints ps_hints, + PSH_Globals globals ) + { + FT_Error error; + FT_Memory memory; + + + /* clear all fields */ + FT_ZERO( glyph ); + + memory = glyph->memory = globals->memory; + + /* allocate and setup points + contours arrays */ + if ( FT_NEW_ARRAY( glyph->points, outline->n_points ) || + FT_NEW_ARRAY( glyph->contours, outline->n_contours ) ) + goto Exit; + + glyph->num_points = (FT_UInt)outline->n_points; + glyph->num_contours = (FT_UInt)outline->n_contours; + + { + FT_UInt first = 0, next, n; + PSH_Point points = glyph->points; + PSH_Contour contour = glyph->contours; + + + for ( n = 0; n < glyph->num_contours; n++ ) + { + FT_UInt count; + PSH_Point point; + + + next = (FT_UInt)outline->contours[n] + 1; + count = next - first; + + contour->start = points + first; + contour->count = count; + + if ( count > 0 ) + { + point = points + first; + + point->prev = points + next - 1; + point->contour = contour; + + for ( ; count > 1; count-- ) + { + point[0].next = point + 1; + point[1].prev = point; + point++; + point->contour = contour; + } + point->next = points + first; + } + + contour++; + first = next; + } + } + + { + PSH_Point points = glyph->points; + PSH_Point point = points; + FT_Vector* vec = outline->points; + FT_UInt n; + + + for ( n = 0; n < glyph->num_points; n++, point++ ) + { + FT_Int n_prev = (FT_Int)( point->prev - points ); + FT_Int n_next = (FT_Int)( point->next - points ); + FT_Pos dxi, dyi, dxo, dyo; + + + if ( !( outline->tags[n] & FT_CURVE_TAG_ON ) ) + point->flags = PSH_POINT_OFF; + + dxi = vec[n].x - vec[n_prev].x; + dyi = vec[n].y - vec[n_prev].y; + + point->dir_in = (FT_Char)psh_compute_dir( dxi, dyi ); + + dxo = vec[n_next].x - vec[n].x; + dyo = vec[n_next].y - vec[n].y; + + point->dir_out = (FT_Char)psh_compute_dir( dxo, dyo ); + + /* detect smooth points */ + if ( point->flags & PSH_POINT_OFF ) + point->flags |= PSH_POINT_SMOOTH; + + else if ( point->dir_in == point->dir_out ) + { + if ( point->dir_out != PSH_DIR_NONE || + psh_corner_is_flat( dxi, dyi, dxo, dyo ) ) + point->flags |= PSH_POINT_SMOOTH; + } + } + } + + glyph->outline = outline; + glyph->globals = globals; + +#ifdef COMPUTE_INFLEXS + psh_glyph_load_points( glyph, 0 ); + psh_glyph_compute_inflections( glyph ); +#endif /* COMPUTE_INFLEXS */ + + /* now deal with hints tables */ + error = psh_hint_table_init( &glyph->hint_tables [0], + &ps_hints->dimension[0].hints, + &ps_hints->dimension[0].masks, + &ps_hints->dimension[0].counters, + memory ); + if ( error ) + goto Exit; + + error = psh_hint_table_init( &glyph->hint_tables [1], + &ps_hints->dimension[1].hints, + &ps_hints->dimension[1].masks, + &ps_hints->dimension[1].counters, + memory ); + if ( error ) + goto Exit; + + Exit: + return error; + } + + + /* compute all extrema in a glyph for a given dimension */ + static void + psh_glyph_compute_extrema( PSH_Glyph glyph ) + { + FT_UInt n; + + + /* first of all, compute all local extrema */ + for ( n = 0; n < glyph->num_contours; n++ ) + { + PSH_Point first = glyph->contours[n].start; + PSH_Point point, before, after; + + + if ( glyph->contours[n].count == 0 ) + continue; + + point = first; + before = point; + + do + { + before = before->prev; + if ( before == first ) + goto Skip; + + } while ( before->org_u == point->org_u ); + + first = point = before->next; + + for (;;) + { + after = point; + do + { + after = after->next; + if ( after == first ) + goto Next; + + } while ( after->org_u == point->org_u ); + + if ( before->org_u < point->org_u ) + { + if ( after->org_u < point->org_u ) + { + /* local maximum */ + goto Extremum; + } + } + else /* before->org_u > point->org_u */ + { + if ( after->org_u > point->org_u ) + { + /* local minimum */ + Extremum: + do + { + psh_point_set_extremum( point ); + point = point->next; + + } while ( point != after ); + } + } + + before = after->prev; + point = after; + + } /* for */ + + Next: + ; + } + + /* for each extremum, determine its direction along the */ + /* orthogonal axis */ + for ( n = 0; n < glyph->num_points; n++ ) + { + PSH_Point point, before, after; + + + point = &glyph->points[n]; + before = point; + after = point; + + if ( psh_point_is_extremum( point ) ) + { + do + { + before = before->prev; + if ( before == point ) + goto Skip; + + } while ( before->org_v == point->org_v ); + + do + { + after = after->next; + if ( after == point ) + goto Skip; + + } while ( after->org_v == point->org_v ); + } + + if ( before->org_v < point->org_v && + after->org_v > point->org_v ) + { + psh_point_set_positive( point ); + } + else if ( before->org_v > point->org_v && + after->org_v < point->org_v ) + { + psh_point_set_negative( point ); + } + + Skip: + ; + } + } + + + /* major_dir is the direction for points on the bottom/left of the stem; */ + /* Points on the top/right of the stem will have a direction of */ + /* -major_dir. */ + + static void + psh_hint_table_find_strong_points( PSH_Hint_Table table, + PSH_Point point, + FT_UInt count, + FT_Int threshold, + FT_Int major_dir ) + { + PSH_Hint* sort = table->sort; + FT_UInt num_hints = table->num_hints; + + + for ( ; count > 0; count--, point++ ) + { + FT_Int point_dir = 0; + FT_Pos org_u = point->org_u; + + + if ( psh_point_is_strong( point ) ) + continue; + + if ( PSH_DIR_COMPARE( point->dir_in, major_dir ) ) + point_dir = point->dir_in; + + else if ( PSH_DIR_COMPARE( point->dir_out, major_dir ) ) + point_dir = point->dir_out; + + if ( point_dir ) + { + if ( point_dir == major_dir ) + { + FT_UInt nn; + + + for ( nn = 0; nn < num_hints; nn++ ) + { + PSH_Hint hint = sort[nn]; + FT_Pos d = org_u - hint->org_pos; + + + if ( d < threshold && -d < threshold ) + { + psh_point_set_strong( point ); + point->flags2 |= PSH_POINT_EDGE_MIN; + point->hint = hint; + break; + } + } + } + else if ( point_dir == -major_dir ) + { + FT_UInt nn; + + + for ( nn = 0; nn < num_hints; nn++ ) + { + PSH_Hint hint = sort[nn]; + FT_Pos d = org_u - hint->org_pos - hint->org_len; + + + if ( d < threshold && -d < threshold ) + { + psh_point_set_strong( point ); + point->flags2 |= PSH_POINT_EDGE_MAX; + point->hint = hint; + break; + } + } + } + } + +#if 1 + else if ( psh_point_is_extremum( point ) ) + { + /* treat extrema as special cases for stem edge alignment */ + FT_UInt nn, min_flag, max_flag; + + + if ( major_dir == PSH_DIR_HORIZONTAL ) + { + min_flag = PSH_POINT_POSITIVE; + max_flag = PSH_POINT_NEGATIVE; + } + else + { + min_flag = PSH_POINT_NEGATIVE; + max_flag = PSH_POINT_POSITIVE; + } + + if ( point->flags2 & min_flag ) + { + for ( nn = 0; nn < num_hints; nn++ ) + { + PSH_Hint hint = sort[nn]; + FT_Pos d = org_u - hint->org_pos; + + + if ( d < threshold && -d < threshold ) + { + point->flags2 |= PSH_POINT_EDGE_MIN; + point->hint = hint; + psh_point_set_strong( point ); + break; + } + } + } + else if ( point->flags2 & max_flag ) + { + for ( nn = 0; nn < num_hints; nn++ ) + { + PSH_Hint hint = sort[nn]; + FT_Pos d = org_u - hint->org_pos - hint->org_len; + + + if ( d < threshold && -d < threshold ) + { + point->flags2 |= PSH_POINT_EDGE_MAX; + point->hint = hint; + psh_point_set_strong( point ); + break; + } + } + } + + if ( !point->hint ) + { + for ( nn = 0; nn < num_hints; nn++ ) + { + PSH_Hint hint = sort[nn]; + + + if ( org_u >= hint->org_pos && + org_u <= hint->org_pos + hint->org_len ) + { + point->hint = hint; + break; + } + } + } + } + +#endif /* 1 */ + } + } + + + /* the accepted shift for strong points in fractional pixels */ +#define PSH_STRONG_THRESHOLD 32 + + /* the maximum shift value in font units */ +#define PSH_STRONG_THRESHOLD_MAXIMUM 30 + + + /* find strong points in a glyph */ + static void + psh_glyph_find_strong_points( PSH_Glyph glyph, + FT_Int dimension ) + { + /* a point is `strong' if it is located on a stem edge and */ + /* has an `in' or `out' tangent parallel to the hint's direction */ + + PSH_Hint_Table table = &glyph->hint_tables[dimension]; + PS_Mask mask = table->hint_masks->masks; + FT_UInt num_masks = table->hint_masks->num_masks; + FT_UInt first = 0; + FT_Int major_dir = ( dimension == 0 ) ? PSH_DIR_VERTICAL + : PSH_DIR_HORIZONTAL; + PSH_Dimension dim = &glyph->globals->dimension[dimension]; + FT_Fixed scale = dim->scale_mult; + FT_Int threshold; + + + threshold = (FT_Int)FT_DivFix( PSH_STRONG_THRESHOLD, scale ); + if ( threshold > PSH_STRONG_THRESHOLD_MAXIMUM ) + threshold = PSH_STRONG_THRESHOLD_MAXIMUM; + + /* process secondary hints to `selected' points */ + if ( num_masks > 1 && glyph->num_points > 0 ) + { + /* the `endchar' op can reduce the number of points */ + first = mask->end_point > glyph->num_points + ? glyph->num_points + : mask->end_point; + mask++; + for ( ; num_masks > 1; num_masks--, mask++ ) + { + FT_UInt next = FT_MIN( mask->end_point, glyph->num_points ); + + + if ( next > first ) + { + FT_UInt count = next - first; + PSH_Point point = glyph->points + first; + + + psh_hint_table_activate_mask( table, mask ); + + psh_hint_table_find_strong_points( table, point, count, + threshold, major_dir ); + } + first = next; + } + } + + /* process primary hints for all points */ + if ( num_masks == 1 ) + { + FT_UInt count = glyph->num_points; + PSH_Point point = glyph->points; + + + psh_hint_table_activate_mask( table, table->hint_masks->masks ); + + psh_hint_table_find_strong_points( table, point, count, + threshold, major_dir ); + } + + /* now, certain points may have been attached to a hint and */ + /* not marked as strong; update their flags then */ + { + FT_UInt count = glyph->num_points; + PSH_Point point = glyph->points; + + + for ( ; count > 0; count--, point++ ) + if ( point->hint && !psh_point_is_strong( point ) ) + psh_point_set_strong( point ); + } + } + + + /* find points in a glyph which are in a blue zone and have `in' or */ + /* `out' tangents parallel to the horizontal axis */ + static void + psh_glyph_find_blue_points( PSH_Blues blues, + PSH_Glyph glyph ) + { + PSH_Blue_Table table; + PSH_Blue_Zone zone; + FT_UInt glyph_count = glyph->num_points; + FT_UInt blue_count; + PSH_Point point = glyph->points; + + + for ( ; glyph_count > 0; glyph_count--, point++ ) + { + FT_Pos y; + + + /* check tangents */ + if ( !PSH_DIR_COMPARE( point->dir_in, PSH_DIR_HORIZONTAL ) && + !PSH_DIR_COMPARE( point->dir_out, PSH_DIR_HORIZONTAL ) ) + continue; + + /* skip strong points */ + if ( psh_point_is_strong( point ) ) + continue; + + y = point->org_u; + + /* look up top zones */ + table = &blues->normal_top; + blue_count = table->count; + zone = table->zones; + + for ( ; blue_count > 0; blue_count--, zone++ ) + { + FT_Pos delta = y - zone->org_bottom; + + + if ( delta < -blues->blue_fuzz ) + break; + + if ( y <= zone->org_top + blues->blue_fuzz ) + if ( blues->no_overshoots || delta <= blues->blue_threshold ) + { + point->cur_u = zone->cur_bottom; + psh_point_set_strong( point ); + psh_point_set_fitted( point ); + } + } + + /* look up bottom zones */ + table = &blues->normal_bottom; + blue_count = table->count; + zone = table->zones + blue_count - 1; + + for ( ; blue_count > 0; blue_count--, zone-- ) + { + FT_Pos delta = zone->org_top - y; + + + if ( delta < -blues->blue_fuzz ) + break; + + if ( y >= zone->org_bottom - blues->blue_fuzz ) + if ( blues->no_overshoots || delta < blues->blue_threshold ) + { + point->cur_u = zone->cur_top; + psh_point_set_strong( point ); + psh_point_set_fitted( point ); + } + } + } + } + + + /* interpolate strong points with the help of hinted coordinates */ + static void + psh_glyph_interpolate_strong_points( PSH_Glyph glyph, + FT_Int dimension ) + { + PSH_Dimension dim = &glyph->globals->dimension[dimension]; + FT_Fixed scale = dim->scale_mult; + + FT_UInt count = glyph->num_points; + PSH_Point point = glyph->points; + + + for ( ; count > 0; count--, point++ ) + { + PSH_Hint hint = point->hint; + + + if ( hint ) + { + FT_Pos delta; + + + if ( psh_point_is_edge_min( point ) ) + point->cur_u = hint->cur_pos; + + else if ( psh_point_is_edge_max( point ) ) + point->cur_u = hint->cur_pos + hint->cur_len; + + else + { + delta = point->org_u - hint->org_pos; + + if ( delta <= 0 ) + point->cur_u = hint->cur_pos + FT_MulFix( delta, scale ); + + else if ( delta >= hint->org_len ) + point->cur_u = hint->cur_pos + hint->cur_len + + FT_MulFix( delta - hint->org_len, scale ); + + else /* hint->org_len > 0 */ + point->cur_u = hint->cur_pos + + FT_MulDiv( delta, hint->cur_len, + hint->org_len ); + } + psh_point_set_fitted( point ); + } + } + } + + +#define PSH_MAX_STRONG_INTERNAL 16 + + static void + psh_glyph_interpolate_normal_points( PSH_Glyph glyph, + FT_Int dimension ) + { + +#if 1 + /* first technique: a point is strong if it is a local extremum */ + + PSH_Dimension dim = &glyph->globals->dimension[dimension]; + FT_Fixed scale = dim->scale_mult; + FT_Memory memory = glyph->memory; + + PSH_Point* strongs = NULL; + PSH_Point strongs_0[PSH_MAX_STRONG_INTERNAL]; + FT_UInt num_strongs = 0; + + PSH_Point points = glyph->points; + PSH_Point points_end = points + glyph->num_points; + PSH_Point point; + + + /* first count the number of strong points */ + for ( point = points; point < points_end; point++ ) + { + if ( psh_point_is_strong( point ) ) + num_strongs++; + } + + if ( num_strongs == 0 ) /* nothing to do here */ + return; + + /* allocate an array to store a list of points, */ + /* stored in increasing org_u order */ + if ( num_strongs <= PSH_MAX_STRONG_INTERNAL ) + strongs = strongs_0; + else + { + FT_Error error; + + + if ( FT_NEW_ARRAY( strongs, num_strongs ) ) + return; + } + + num_strongs = 0; + for ( point = points; point < points_end; point++ ) + { + PSH_Point* insert; + + + if ( !psh_point_is_strong( point ) ) + continue; + + for ( insert = strongs + num_strongs; insert > strongs; insert-- ) + { + if ( insert[-1]->org_u <= point->org_u ) + break; + + insert[0] = insert[-1]; + } + insert[0] = point; + num_strongs++; + } + + /* now try to interpolate all normal points */ + for ( point = points; point < points_end; point++ ) + { + if ( psh_point_is_strong( point ) ) + continue; + + /* sometimes, some local extrema are smooth points */ + if ( psh_point_is_smooth( point ) ) + { + if ( point->dir_in == PSH_DIR_NONE || + point->dir_in != point->dir_out ) + continue; + + if ( !psh_point_is_extremum( point ) && + !psh_point_is_inflex( point ) ) + continue; + + point->flags &= ~PSH_POINT_SMOOTH; + } + + /* find best enclosing point coordinates then interpolate */ + { + PSH_Point before, after; + FT_UInt nn; + + + for ( nn = 0; nn < num_strongs; nn++ ) + if ( strongs[nn]->org_u > point->org_u ) + break; + + if ( nn == 0 ) /* point before the first strong point */ + { + after = strongs[0]; + + point->cur_u = after->cur_u + + FT_MulFix( point->org_u - after->org_u, + scale ); + } + else + { + before = strongs[nn - 1]; + + for ( nn = num_strongs; nn > 0; nn-- ) + if ( strongs[nn - 1]->org_u < point->org_u ) + break; + + if ( nn == num_strongs ) /* point is after last strong point */ + { + before = strongs[nn - 1]; + + point->cur_u = before->cur_u + + FT_MulFix( point->org_u - before->org_u, + scale ); + } + else + { + FT_Pos u; + + + after = strongs[nn]; + + /* now interpolate point between before and after */ + u = point->org_u; + + if ( u == before->org_u ) + point->cur_u = before->cur_u; + + else if ( u == after->org_u ) + point->cur_u = after->cur_u; + + else + point->cur_u = before->cur_u + + FT_MulDiv( u - before->org_u, + after->cur_u - before->cur_u, + after->org_u - before->org_u ); + } + } + psh_point_set_fitted( point ); + } + } + + if ( strongs != strongs_0 ) + FT_FREE( strongs ); + +#endif /* 1 */ + + } + + + /* interpolate other points */ + static void + psh_glyph_interpolate_other_points( PSH_Glyph glyph, + FT_Int dimension ) + { + PSH_Dimension dim = &glyph->globals->dimension[dimension]; + FT_Fixed scale = dim->scale_mult; + FT_Fixed delta = dim->scale_delta; + PSH_Contour contour = glyph->contours; + FT_UInt num_contours = glyph->num_contours; + + + for ( ; num_contours > 0; num_contours--, contour++ ) + { + PSH_Point start = contour->start; + PSH_Point first, next, point; + FT_UInt fit_count; + + + /* count the number of strong points in this contour */ + next = start + contour->count; + fit_count = 0; + first = NULL; + + for ( point = start; point < next; point++ ) + if ( psh_point_is_fitted( point ) ) + { + if ( !first ) + first = point; + + fit_count++; + } + + /* if there are less than 2 fitted points in the contour, we */ + /* simply scale and eventually translate the contour points */ + if ( fit_count < 2 ) + { + if ( fit_count == 1 ) + delta = first->cur_u - FT_MulFix( first->org_u, scale ); + + for ( point = start; point < next; point++ ) + if ( point != first ) + point->cur_u = FT_MulFix( point->org_u, scale ) + delta; + + goto Next_Contour; + } + + /* there are more than 2 strong points in this contour; we */ + /* need to interpolate weak points between them */ + start = first; + do + { + /* skip consecutive fitted points */ + for (;;) + { + next = first->next; + if ( next == start ) + goto Next_Contour; + + if ( !psh_point_is_fitted( next ) ) + break; + + first = next; + } + + /* find next fitted point after unfitted one */ + for (;;) + { + next = next->next; + if ( psh_point_is_fitted( next ) ) + break; + } + + /* now interpolate between them */ + { + FT_Pos org_a, org_ab, cur_a, cur_ab; + FT_Pos org_c, org_ac, cur_c; + FT_Fixed scale_ab; + + + if ( first->org_u <= next->org_u ) + { + org_a = first->org_u; + cur_a = first->cur_u; + org_ab = next->org_u - org_a; + cur_ab = next->cur_u - cur_a; + } + else + { + org_a = next->org_u; + cur_a = next->cur_u; + org_ab = first->org_u - org_a; + cur_ab = first->cur_u - cur_a; + } + + scale_ab = 0x10000L; + if ( org_ab > 0 ) + scale_ab = FT_DivFix( cur_ab, org_ab ); + + point = first->next; + do + { + org_c = point->org_u; + org_ac = org_c - org_a; + + if ( org_ac <= 0 ) + { + /* on the left of the interpolation zone */ + cur_c = cur_a + FT_MulFix( org_ac, scale ); + } + else if ( org_ac >= org_ab ) + { + /* on the right on the interpolation zone */ + cur_c = cur_a + cur_ab + FT_MulFix( org_ac - org_ab, scale ); + } + else + { + /* within the interpolation zone */ + cur_c = cur_a + FT_MulFix( org_ac, scale_ab ); + } + + point->cur_u = cur_c; + + point = point->next; + + } while ( point != next ); + } + + /* keep going until all points in the contours have been processed */ + first = next; + + } while ( first != start ); + + Next_Contour: + ; + } + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** HIGH-LEVEL INTERFACE *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + FT_Error + ps_hints_apply( PS_Hints ps_hints, + FT_Outline* outline, + PSH_Globals globals, + FT_Render_Mode hint_mode ) + { + PSH_GlyphRec glyphrec; + PSH_Glyph glyph = &glyphrec; + FT_Error error; +#ifdef DEBUG_HINTER + FT_Memory memory; +#endif + FT_Int dimension; + + + /* something to do? */ + if ( outline->n_points == 0 || outline->n_contours == 0 ) + return FT_Err_Ok; + +#ifdef DEBUG_HINTER + + memory = globals->memory; + + if ( ps_debug_glyph ) + { + psh_glyph_done( ps_debug_glyph ); + FT_FREE( ps_debug_glyph ); + } + + if ( FT_NEW( glyph ) ) + return error; + + ps_debug_glyph = glyph; + +#endif /* DEBUG_HINTER */ + + error = psh_glyph_init( glyph, outline, ps_hints, globals ); + if ( error ) + goto Exit; + + /* try to optimize the y_scale so that the top of non-capital letters + * is aligned on a pixel boundary whenever possible + */ + { + PSH_Dimension dim_x = &glyph->globals->dimension[0]; + PSH_Dimension dim_y = &glyph->globals->dimension[1]; + + FT_Fixed x_scale = dim_x->scale_mult; + FT_Fixed y_scale = dim_y->scale_mult; + + FT_Fixed old_x_scale = x_scale; + FT_Fixed old_y_scale = y_scale; + + FT_Fixed scaled; + FT_Fixed fitted; + + FT_Bool rescale = FALSE; + + + scaled = FT_MulFix( globals->blues.normal_top.zones->org_ref, y_scale ); + fitted = FT_PIX_ROUND( scaled ); + + if ( fitted != 0 && scaled != fitted ) + { + rescale = TRUE; + + y_scale = FT_MulDiv( y_scale, fitted, scaled ); + + if ( fitted < scaled ) + x_scale -= x_scale / 50; + + psh_globals_set_scale( glyph->globals, x_scale, y_scale, 0, 0 ); + } + + glyph->do_horz_hints = 1; + glyph->do_vert_hints = 1; + + glyph->do_horz_snapping = FT_BOOL( hint_mode == FT_RENDER_MODE_MONO || + hint_mode == FT_RENDER_MODE_LCD ); + + glyph->do_vert_snapping = FT_BOOL( hint_mode == FT_RENDER_MODE_MONO || + hint_mode == FT_RENDER_MODE_LCD_V ); + + glyph->do_stem_adjust = FT_BOOL( hint_mode != FT_RENDER_MODE_LIGHT ); + + for ( dimension = 0; dimension < 2; dimension++ ) + { + /* load outline coordinates into glyph */ + psh_glyph_load_points( glyph, dimension ); + + /* compute local extrema */ + psh_glyph_compute_extrema( glyph ); + + /* compute aligned stem/hints positions */ + psh_hint_table_align_hints( &glyph->hint_tables[dimension], + glyph->globals, + dimension, + glyph ); + + /* find strong points, align them, then interpolate others */ + psh_glyph_find_strong_points( glyph, dimension ); + if ( dimension == 1 ) + psh_glyph_find_blue_points( &globals->blues, glyph ); + psh_glyph_interpolate_strong_points( glyph, dimension ); + psh_glyph_interpolate_normal_points( glyph, dimension ); + psh_glyph_interpolate_other_points( glyph, dimension ); + + /* save hinted coordinates back to outline */ + psh_glyph_save_points( glyph, dimension ); + + if ( rescale ) + psh_globals_set_scale( glyph->globals, + old_x_scale, old_y_scale, 0, 0 ); + } + } + + Exit: + +#ifndef DEBUG_HINTER + psh_glyph_done( glyph ); +#endif + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshalgo.h b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshalgo.h new file mode 100644 index 00000000000..c50683fbec6 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshalgo.h @@ -0,0 +1,241 @@ +/***************************************************************************/ +/* */ +/* pshalgo.h */ +/* */ +/* PostScript hinting algorithm (specification). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSHALGO_H_ +#define PSHALGO_H_ + + +#include "pshrec.h" +#include "pshglob.h" + + +FT_BEGIN_HEADER + + + /* handle to Hint structure */ + typedef struct PSH_HintRec_* PSH_Hint; + + + /* hint bit-flags */ +#define PSH_HINT_GHOST PS_HINT_FLAG_GHOST +#define PSH_HINT_BOTTOM PS_HINT_FLAG_BOTTOM +#define PSH_HINT_ACTIVE 4U +#define PSH_HINT_FITTED 8U + + +#define psh_hint_is_active( x ) ( ( (x)->flags & PSH_HINT_ACTIVE ) != 0 ) +#define psh_hint_is_ghost( x ) ( ( (x)->flags & PSH_HINT_GHOST ) != 0 ) +#define psh_hint_is_fitted( x ) ( ( (x)->flags & PSH_HINT_FITTED ) != 0 ) + +#define psh_hint_activate( x ) (x)->flags |= PSH_HINT_ACTIVE +#define psh_hint_deactivate( x ) (x)->flags &= ~PSH_HINT_ACTIVE +#define psh_hint_set_fitted( x ) (x)->flags |= PSH_HINT_FITTED + + + /* hint structure */ + typedef struct PSH_HintRec_ + { + FT_Int org_pos; + FT_Int org_len; + FT_Pos cur_pos; + FT_Pos cur_len; + FT_UInt flags; + PSH_Hint parent; + FT_Int order; + + } PSH_HintRec; + + + /* this is an interpolation zone used for strong points; */ + /* weak points are interpolated according to their strong */ + /* neighbours */ + typedef struct PSH_ZoneRec_ + { + FT_Fixed scale; + FT_Fixed delta; + FT_Pos min; + FT_Pos max; + + } PSH_ZoneRec, *PSH_Zone; + + + typedef struct PSH_Hint_TableRec_ + { + FT_UInt max_hints; + FT_UInt num_hints; + PSH_Hint hints; + PSH_Hint* sort; + PSH_Hint* sort_global; + FT_UInt num_zones; + PSH_ZoneRec* zones; + PSH_Zone zone; + PS_Mask_Table hint_masks; + PS_Mask_Table counter_masks; + + } PSH_Hint_TableRec, *PSH_Hint_Table; + + + typedef struct PSH_PointRec_* PSH_Point; + typedef struct PSH_ContourRec_* PSH_Contour; + + enum + { + PSH_DIR_NONE = 4, + PSH_DIR_UP = -1, + PSH_DIR_DOWN = 1, + PSH_DIR_LEFT = -2, + PSH_DIR_RIGHT = 2 + }; + +#define PSH_DIR_HORIZONTAL 2 +#define PSH_DIR_VERTICAL 1 + +#define PSH_DIR_COMPARE( d1, d2 ) ( (d1) == (d2) || (d1) == -(d2) ) +#define PSH_DIR_IS_HORIZONTAL( d ) PSH_DIR_COMPARE( d, PSH_DIR_HORIZONTAL ) +#define PSH_DIR_IS_VERTICAL( d ) PSH_DIR_COMPARE( d, PSH_DIR_VERTICAL ) + + + /* the following bit-flags are computed once by the glyph */ + /* analyzer, for both dimensions */ +#define PSH_POINT_OFF 1U /* point is off the curve */ +#define PSH_POINT_SMOOTH 2U /* point is smooth */ +#define PSH_POINT_INFLEX 4U /* point is inflection */ + + +#define psh_point_is_smooth( p ) ( (p)->flags & PSH_POINT_SMOOTH ) +#define psh_point_is_off( p ) ( (p)->flags & PSH_POINT_OFF ) +#define psh_point_is_inflex( p ) ( (p)->flags & PSH_POINT_INFLEX ) + +#define psh_point_set_smooth( p ) (p)->flags |= PSH_POINT_SMOOTH +#define psh_point_set_off( p ) (p)->flags |= PSH_POINT_OFF +#define psh_point_set_inflex( p ) (p)->flags |= PSH_POINT_INFLEX + + + /* the following bit-flags are re-computed for each dimension */ +#define PSH_POINT_STRONG 16U /* point is strong */ +#define PSH_POINT_FITTED 32U /* point is already fitted */ +#define PSH_POINT_EXTREMUM 64U /* point is local extremum */ +#define PSH_POINT_POSITIVE 128U /* extremum has positive contour flow */ +#define PSH_POINT_NEGATIVE 256U /* extremum has negative contour flow */ +#define PSH_POINT_EDGE_MIN 512U /* point is aligned to left/bottom stem edge */ +#define PSH_POINT_EDGE_MAX 1024U /* point is aligned to top/right stem edge */ + + +#define psh_point_is_strong( p ) ( (p)->flags2 & PSH_POINT_STRONG ) +#define psh_point_is_fitted( p ) ( (p)->flags2 & PSH_POINT_FITTED ) +#define psh_point_is_extremum( p ) ( (p)->flags2 & PSH_POINT_EXTREMUM ) +#define psh_point_is_positive( p ) ( (p)->flags2 & PSH_POINT_POSITIVE ) +#define psh_point_is_negative( p ) ( (p)->flags2 & PSH_POINT_NEGATIVE ) +#define psh_point_is_edge_min( p ) ( (p)->flags2 & PSH_POINT_EDGE_MIN ) +#define psh_point_is_edge_max( p ) ( (p)->flags2 & PSH_POINT_EDGE_MAX ) + +#define psh_point_set_strong( p ) (p)->flags2 |= PSH_POINT_STRONG +#define psh_point_set_fitted( p ) (p)->flags2 |= PSH_POINT_FITTED +#define psh_point_set_extremum( p ) (p)->flags2 |= PSH_POINT_EXTREMUM +#define psh_point_set_positive( p ) (p)->flags2 |= PSH_POINT_POSITIVE +#define psh_point_set_negative( p ) (p)->flags2 |= PSH_POINT_NEGATIVE +#define psh_point_set_edge_min( p ) (p)->flags2 |= PSH_POINT_EDGE_MIN +#define psh_point_set_edge_max( p ) (p)->flags2 |= PSH_POINT_EDGE_MAX + + + typedef struct PSH_PointRec_ + { + PSH_Point prev; + PSH_Point next; + PSH_Contour contour; + FT_UInt flags; + FT_UInt flags2; + FT_Char dir_in; + FT_Char dir_out; + PSH_Hint hint; + FT_Pos org_u; + FT_Pos org_v; + FT_Pos cur_u; +#ifdef DEBUG_HINTER + FT_Pos org_x; + FT_Pos cur_x; + FT_Pos org_y; + FT_Pos cur_y; + FT_UInt flags_x; + FT_UInt flags_y; +#endif + + } PSH_PointRec; + + + typedef struct PSH_ContourRec_ + { + PSH_Point start; + FT_UInt count; + + } PSH_ContourRec; + + + typedef struct PSH_GlyphRec_ + { + FT_UInt num_points; + FT_UInt num_contours; + + PSH_Point points; + PSH_Contour contours; + + FT_Memory memory; + FT_Outline* outline; + PSH_Globals globals; + PSH_Hint_TableRec hint_tables[2]; + + FT_Bool vertical; + FT_Int major_dir; + FT_Int minor_dir; + + FT_Bool do_horz_hints; + FT_Bool do_vert_hints; + FT_Bool do_horz_snapping; + FT_Bool do_vert_snapping; + FT_Bool do_stem_adjust; + + } PSH_GlyphRec, *PSH_Glyph; + + +#ifdef DEBUG_HINTER + extern PSH_Hint_Table ps_debug_hint_table; + + typedef void + (*PSH_HintFunc)( PSH_Hint hint, + FT_Bool vertical ); + + extern PSH_HintFunc ps_debug_hint_func; + + extern PSH_Glyph ps_debug_glyph; +#endif + + + extern FT_Error + ps_hints_apply( PS_Hints ps_hints, + FT_Outline* outline, + PSH_Globals globals, + FT_Render_Mode hint_mode ); + + +FT_END_HEADER + + +#endif /* PSHALGO_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshglob.c b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshglob.c new file mode 100644 index 00000000000..29f328d0e6d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshglob.c @@ -0,0 +1,795 @@ +/***************************************************************************/ +/* */ +/* pshglob.c */ +/* */ +/* PostScript hinter global hinting management (body). */ +/* Inspired by the new auto-hinter module. */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used */ +/* modified and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "pshglob.h" + +#ifdef DEBUG_HINTER + PSH_Globals ps_debug_globals = NULL; +#endif + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** STANDARD WIDTHS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* scale the widths/heights table */ + static void + psh_globals_scale_widths( PSH_Globals globals, + FT_UInt direction ) + { + PSH_Dimension dim = &globals->dimension[direction]; + PSH_Widths stdw = &dim->stdw; + FT_UInt count = stdw->count; + PSH_Width width = stdw->widths; + PSH_Width stand = width; /* standard width/height */ + FT_Fixed scale = dim->scale_mult; + + + if ( count > 0 ) + { + width->cur = FT_MulFix( width->org, scale ); + width->fit = FT_PIX_ROUND( width->cur ); + + width++; + count--; + + for ( ; count > 0; count--, width++ ) + { + FT_Pos w, dist; + + + w = FT_MulFix( width->org, scale ); + dist = w - stand->cur; + + if ( dist < 0 ) + dist = -dist; + + if ( dist < 128 ) + w = stand->cur; + + width->cur = w; + width->fit = FT_PIX_ROUND( w ); + } + } + } + + +#if 0 + + /* org_width is in font units, result in device pixels, 26.6 format */ + FT_LOCAL_DEF( FT_Pos ) + psh_dimension_snap_width( PSH_Dimension dimension, + FT_Int org_width ) + { + FT_UInt n; + FT_Pos width = FT_MulFix( org_width, dimension->scale_mult ); + FT_Pos best = 64 + 32 + 2; + FT_Pos reference = width; + + + for ( n = 0; n < dimension->stdw.count; n++ ) + { + FT_Pos w; + FT_Pos dist; + + + w = dimension->stdw.widths[n].cur; + dist = width - w; + if ( dist < 0 ) + dist = -dist; + if ( dist < best ) + { + best = dist; + reference = w; + } + } + + if ( width >= reference ) + { + width -= 0x21; + if ( width < reference ) + width = reference; + } + else + { + width += 0x21; + if ( width > reference ) + width = reference; + } + + return width; + } + +#endif /* 0 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** BLUE ZONES *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + static void + psh_blues_set_zones_0( PSH_Blues target, + FT_Bool is_others, + FT_UInt read_count, + FT_Short* read, + PSH_Blue_Table top_table, + PSH_Blue_Table bot_table ) + { + FT_UInt count_top = top_table->count; + FT_UInt count_bot = bot_table->count; + FT_Bool first = 1; + + FT_UNUSED( target ); + + + for ( ; read_count > 1; read_count -= 2 ) + { + FT_Int reference, delta; + FT_UInt count; + PSH_Blue_Zone zones, zone; + FT_Bool top; + + + /* read blue zone entry, and select target top/bottom zone */ + top = 0; + if ( first || is_others ) + { + reference = read[1]; + delta = read[0] - reference; + + zones = bot_table->zones; + count = count_bot; + first = 0; + } + else + { + reference = read[0]; + delta = read[1] - reference; + + zones = top_table->zones; + count = count_top; + top = 1; + } + + /* insert into sorted table */ + zone = zones; + for ( ; count > 0; count--, zone++ ) + { + if ( reference < zone->org_ref ) + break; + + if ( reference == zone->org_ref ) + { + FT_Int delta0 = zone->org_delta; + + + /* we have two zones on the same reference position -- */ + /* only keep the largest one */ + if ( delta < 0 ) + { + if ( delta < delta0 ) + zone->org_delta = delta; + } + else + { + if ( delta > delta0 ) + zone->org_delta = delta; + } + goto Skip; + } + } + + for ( ; count > 0; count-- ) + zone[count] = zone[count-1]; + + zone->org_ref = reference; + zone->org_delta = delta; + + if ( top ) + count_top++; + else + count_bot++; + + Skip: + read += 2; + } + + top_table->count = count_top; + bot_table->count = count_bot; + } + + + /* Re-read blue zones from the original fonts and store them into out */ + /* private structure. This function re-orders, sanitizes and */ + /* fuzz-expands the zones as well. */ + static void + psh_blues_set_zones( PSH_Blues target, + FT_UInt count, + FT_Short* blues, + FT_UInt count_others, + FT_Short* other_blues, + FT_Int fuzz, + FT_Int family ) + { + PSH_Blue_Table top_table, bot_table; + FT_UInt count_top, count_bot; + + + if ( family ) + { + top_table = &target->family_top; + bot_table = &target->family_bottom; + } + else + { + top_table = &target->normal_top; + bot_table = &target->normal_bottom; + } + + /* read the input blue zones, and build two sorted tables */ + /* (one for the top zones, the other for the bottom zones) */ + top_table->count = 0; + bot_table->count = 0; + + /* first, the blues */ + psh_blues_set_zones_0( target, 0, + count, blues, top_table, bot_table ); + psh_blues_set_zones_0( target, 1, + count_others, other_blues, top_table, bot_table ); + + count_top = top_table->count; + count_bot = bot_table->count; + + /* sanitize top table */ + if ( count_top > 0 ) + { + PSH_Blue_Zone zone = top_table->zones; + + + for ( count = count_top; count > 0; count--, zone++ ) + { + FT_Int delta; + + + if ( count > 1 ) + { + delta = zone[1].org_ref - zone[0].org_ref; + if ( zone->org_delta > delta ) + zone->org_delta = delta; + } + + zone->org_bottom = zone->org_ref; + zone->org_top = zone->org_delta + zone->org_ref; + } + } + + /* sanitize bottom table */ + if ( count_bot > 0 ) + { + PSH_Blue_Zone zone = bot_table->zones; + + + for ( count = count_bot; count > 0; count--, zone++ ) + { + FT_Int delta; + + + if ( count > 1 ) + { + delta = zone[0].org_ref - zone[1].org_ref; + if ( zone->org_delta < delta ) + zone->org_delta = delta; + } + + zone->org_top = zone->org_ref; + zone->org_bottom = zone->org_delta + zone->org_ref; + } + } + + /* expand top and bottom tables with blue fuzz */ + { + FT_Int dim, top, bot, delta; + PSH_Blue_Zone zone; + + + zone = top_table->zones; + count = count_top; + + for ( dim = 1; dim >= 0; dim-- ) + { + if ( count > 0 ) + { + /* expand the bottom of the lowest zone normally */ + zone->org_bottom -= fuzz; + + /* expand the top and bottom of intermediate zones; */ + /* checking that the interval is smaller than the fuzz */ + top = zone->org_top; + + for ( count--; count > 0; count-- ) + { + bot = zone[1].org_bottom; + delta = bot - top; + + if ( delta / 2 < fuzz ) + zone[0].org_top = zone[1].org_bottom = top + delta / 2; + else + { + zone[0].org_top = top + fuzz; + zone[1].org_bottom = bot - fuzz; + } + + zone++; + top = zone->org_top; + } + + /* expand the top of the highest zone normally */ + zone->org_top = top + fuzz; + } + zone = bot_table->zones; + count = count_bot; + } + } + } + + + /* reset the blues table when the device transform changes */ + static void + psh_blues_scale_zones( PSH_Blues blues, + FT_Fixed scale, + FT_Pos delta ) + { + FT_UInt count; + FT_UInt num; + PSH_Blue_Table table = NULL; + + /* */ + /* Determine whether we need to suppress overshoots or */ + /* not. We simply need to compare the vertical scale */ + /* parameter to the raw bluescale value. Here is why: */ + /* */ + /* We need to suppress overshoots for all pointsizes. */ + /* At 300dpi that satisfies: */ + /* */ + /* pointsize < 240*bluescale + 0.49 */ + /* */ + /* This corresponds to: */ + /* */ + /* pixelsize < 1000*bluescale + 49/24 */ + /* */ + /* scale*EM_Size < 1000*bluescale + 49/24 */ + /* */ + /* However, for normal Type 1 fonts, EM_Size is 1000! */ + /* We thus only check: */ + /* */ + /* scale < bluescale + 49/24000 */ + /* */ + /* which we shorten to */ + /* */ + /* "scale < bluescale" */ + /* */ + /* Note that `blue_scale' is stored 1000 times its real */ + /* value, and that `scale' converts from font units to */ + /* fractional pixels. */ + /* */ + + /* 1000 / 64 = 125 / 8 */ + if ( scale >= 0x20C49BAL ) + blues->no_overshoots = FT_BOOL( scale < blues->blue_scale * 8 / 125 ); + else + blues->no_overshoots = FT_BOOL( scale * 125 < blues->blue_scale * 8 ); + + /* */ + /* The blue threshold is the font units distance under */ + /* which overshoots are suppressed due to the BlueShift */ + /* even if the scale is greater than BlueScale. */ + /* */ + /* It is the smallest distance such that */ + /* */ + /* dist <= BlueShift && dist*scale <= 0.5 pixels */ + /* */ + { + FT_Int threshold = blues->blue_shift; + + + while ( threshold > 0 && FT_MulFix( threshold, scale ) > 32 ) + threshold--; + + blues->blue_threshold = threshold; + } + + for ( num = 0; num < 4; num++ ) + { + PSH_Blue_Zone zone; + + + switch ( num ) + { + case 0: + table = &blues->normal_top; + break; + case 1: + table = &blues->normal_bottom; + break; + case 2: + table = &blues->family_top; + break; + default: + table = &blues->family_bottom; + break; + } + + zone = table->zones; + count = table->count; + for ( ; count > 0; count--, zone++ ) + { + zone->cur_top = FT_MulFix( zone->org_top, scale ) + delta; + zone->cur_bottom = FT_MulFix( zone->org_bottom, scale ) + delta; + zone->cur_ref = FT_MulFix( zone->org_ref, scale ) + delta; + zone->cur_delta = FT_MulFix( zone->org_delta, scale ); + + /* round scaled reference position */ + zone->cur_ref = FT_PIX_ROUND( zone->cur_ref ); + +#if 0 + if ( zone->cur_ref > zone->cur_top ) + zone->cur_ref -= 64; + else if ( zone->cur_ref < zone->cur_bottom ) + zone->cur_ref += 64; +#endif + } + } + + /* process the families now */ + + for ( num = 0; num < 2; num++ ) + { + PSH_Blue_Zone zone1, zone2; + FT_UInt count1, count2; + PSH_Blue_Table normal, family; + + + switch ( num ) + { + case 0: + normal = &blues->normal_top; + family = &blues->family_top; + break; + + default: + normal = &blues->normal_bottom; + family = &blues->family_bottom; + } + + zone1 = normal->zones; + count1 = normal->count; + + for ( ; count1 > 0; count1--, zone1++ ) + { + /* try to find a family zone whose reference position is less */ + /* than 1 pixel far from the current zone */ + zone2 = family->zones; + count2 = family->count; + + for ( ; count2 > 0; count2--, zone2++ ) + { + FT_Pos Delta; + + + Delta = zone1->org_ref - zone2->org_ref; + if ( Delta < 0 ) + Delta = -Delta; + + if ( FT_MulFix( Delta, scale ) < 64 ) + { + zone1->cur_top = zone2->cur_top; + zone1->cur_bottom = zone2->cur_bottom; + zone1->cur_ref = zone2->cur_ref; + zone1->cur_delta = zone2->cur_delta; + break; + } + } + } + } + } + + + /* calculate the maximum height of given blue zones */ + static FT_Short + psh_calc_max_height( FT_UInt num, + const FT_Short* values, + FT_Short cur_max ) + { + FT_UInt count; + + + for ( count = 0; count < num; count += 2 ) + { + FT_Short cur_height = values[count + 1] - values[count]; + + + if ( cur_height > cur_max ) + cur_max = cur_height; + } + + return cur_max; + } + + + FT_LOCAL_DEF( void ) + psh_blues_snap_stem( PSH_Blues blues, + FT_Int stem_top, + FT_Int stem_bot, + PSH_Alignment alignment ) + { + PSH_Blue_Table table; + FT_UInt count; + FT_Pos delta; + PSH_Blue_Zone zone; + FT_Int no_shoots; + + + alignment->align = PSH_BLUE_ALIGN_NONE; + + no_shoots = blues->no_overshoots; + + /* look up stem top in top zones table */ + table = &blues->normal_top; + count = table->count; + zone = table->zones; + + for ( ; count > 0; count--, zone++ ) + { + delta = stem_top - zone->org_bottom; + if ( delta < -blues->blue_fuzz ) + break; + + if ( stem_top <= zone->org_top + blues->blue_fuzz ) + { + if ( no_shoots || delta <= blues->blue_threshold ) + { + alignment->align |= PSH_BLUE_ALIGN_TOP; + alignment->align_top = zone->cur_ref; + } + break; + } + } + + /* look up stem bottom in bottom zones table */ + table = &blues->normal_bottom; + count = table->count; + zone = table->zones + count-1; + + for ( ; count > 0; count--, zone-- ) + { + delta = zone->org_top - stem_bot; + if ( delta < -blues->blue_fuzz ) + break; + + if ( stem_bot >= zone->org_bottom - blues->blue_fuzz ) + { + if ( no_shoots || delta < blues->blue_threshold ) + { + alignment->align |= PSH_BLUE_ALIGN_BOT; + alignment->align_bot = zone->cur_ref; + } + break; + } + } + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** GLOBAL HINTS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + static void + psh_globals_destroy( PSH_Globals globals ) + { + if ( globals ) + { + FT_Memory memory; + + + memory = globals->memory; + globals->dimension[0].stdw.count = 0; + globals->dimension[1].stdw.count = 0; + + globals->blues.normal_top.count = 0; + globals->blues.normal_bottom.count = 0; + globals->blues.family_top.count = 0; + globals->blues.family_bottom.count = 0; + + FT_FREE( globals ); + +#ifdef DEBUG_HINTER + ps_debug_globals = NULL; +#endif + } + } + + + static FT_Error + psh_globals_new( FT_Memory memory, + T1_Private* priv, + PSH_Globals *aglobals ) + { + PSH_Globals globals = NULL; + FT_Error error; + + + if ( !FT_NEW( globals ) ) + { + FT_UInt count; + FT_Short* read; + + + globals->memory = memory; + + /* copy standard widths */ + { + PSH_Dimension dim = &globals->dimension[1]; + PSH_Width write = dim->stdw.widths; + + + write->org = priv->standard_width[0]; + write++; + + read = priv->snap_widths; + for ( count = priv->num_snap_widths; count > 0; count-- ) + { + write->org = *read; + write++; + read++; + } + + dim->stdw.count = priv->num_snap_widths + 1; + } + + /* copy standard heights */ + { + PSH_Dimension dim = &globals->dimension[0]; + PSH_Width write = dim->stdw.widths; + + + write->org = priv->standard_height[0]; + write++; + read = priv->snap_heights; + for ( count = priv->num_snap_heights; count > 0; count-- ) + { + write->org = *read; + write++; + read++; + } + + dim->stdw.count = priv->num_snap_heights + 1; + } + + /* copy blue zones */ + psh_blues_set_zones( &globals->blues, priv->num_blue_values, + priv->blue_values, priv->num_other_blues, + priv->other_blues, priv->blue_fuzz, 0 ); + + psh_blues_set_zones( &globals->blues, priv->num_family_blues, + priv->family_blues, priv->num_family_other_blues, + priv->family_other_blues, priv->blue_fuzz, 1 ); + + /* limit the BlueScale value to `1 / max_of_blue_zone_heights' */ + { + FT_Fixed max_scale; + FT_Short max_height = 1; + + + max_height = psh_calc_max_height( priv->num_blue_values, + priv->blue_values, + max_height ); + max_height = psh_calc_max_height( priv->num_other_blues, + priv->other_blues, + max_height ); + max_height = psh_calc_max_height( priv->num_family_blues, + priv->family_blues, + max_height ); + max_height = psh_calc_max_height( priv->num_family_other_blues, + priv->family_other_blues, + max_height ); + + /* BlueScale is scaled 1000 times */ + max_scale = FT_DivFix( 1000, max_height ); + globals->blues.blue_scale = priv->blue_scale < max_scale + ? priv->blue_scale + : max_scale; + } + + globals->blues.blue_shift = priv->blue_shift; + globals->blues.blue_fuzz = priv->blue_fuzz; + + globals->dimension[0].scale_mult = 0; + globals->dimension[0].scale_delta = 0; + globals->dimension[1].scale_mult = 0; + globals->dimension[1].scale_delta = 0; + +#ifdef DEBUG_HINTER + ps_debug_globals = globals; +#endif + } + + *aglobals = globals; + return error; + } + + + FT_LOCAL_DEF( void ) + psh_globals_set_scale( PSH_Globals globals, + FT_Fixed x_scale, + FT_Fixed y_scale, + FT_Fixed x_delta, + FT_Fixed y_delta ) + { + PSH_Dimension dim; + + + dim = &globals->dimension[0]; + if ( x_scale != dim->scale_mult || + x_delta != dim->scale_delta ) + { + dim->scale_mult = x_scale; + dim->scale_delta = x_delta; + + psh_globals_scale_widths( globals, 0 ); + } + + dim = &globals->dimension[1]; + if ( y_scale != dim->scale_mult || + y_delta != dim->scale_delta ) + { + dim->scale_mult = y_scale; + dim->scale_delta = y_delta; + + psh_globals_scale_widths( globals, 1 ); + psh_blues_scale_zones( &globals->blues, y_scale, y_delta ); + } + } + + + FT_LOCAL_DEF( void ) + psh_globals_funcs_init( PSH_Globals_FuncsRec* funcs ) + { + funcs->create = psh_globals_new; + funcs->set_scale = psh_globals_set_scale; + funcs->destroy = psh_globals_destroy; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshglob.h b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshglob.h new file mode 100644 index 00000000000..cf80bf40e64 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshglob.h @@ -0,0 +1,196 @@ +/***************************************************************************/ +/* */ +/* pshglob.h */ +/* */ +/* PostScript hinter global hinting management. */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSHGLOB_H_ +#define PSHGLOB_H_ + + +#include FT_FREETYPE_H +#include FT_INTERNAL_POSTSCRIPT_HINTS_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** GLOBAL HINTS INTERNALS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* @constant: */ + /* PS_GLOBALS_MAX_BLUE_ZONES */ + /* */ + /* @description: */ + /* The maximum number of blue zones in a font global hints structure. */ + /* See @PS_Globals_BluesRec. */ + /* */ +#define PS_GLOBALS_MAX_BLUE_ZONES 16 + + + /*************************************************************************/ + /* */ + /* @constant: */ + /* PS_GLOBALS_MAX_STD_WIDTHS */ + /* */ + /* @description: */ + /* The maximum number of standard and snap widths in either the */ + /* horizontal or vertical direction. See @PS_Globals_WidthsRec. */ + /* */ +#define PS_GLOBALS_MAX_STD_WIDTHS 16 + + + /* standard and snap width */ + typedef struct PSH_WidthRec_ + { + FT_Int org; + FT_Pos cur; + FT_Pos fit; + + } PSH_WidthRec, *PSH_Width; + + + /* standard and snap widths table */ + typedef struct PSH_WidthsRec_ + { + FT_UInt count; + PSH_WidthRec widths[PS_GLOBALS_MAX_STD_WIDTHS]; + + } PSH_WidthsRec, *PSH_Widths; + + + typedef struct PSH_DimensionRec_ + { + PSH_WidthsRec stdw; + FT_Fixed scale_mult; + FT_Fixed scale_delta; + + } PSH_DimensionRec, *PSH_Dimension; + + + /* blue zone descriptor */ + typedef struct PSH_Blue_ZoneRec_ + { + FT_Int org_ref; + FT_Int org_delta; + FT_Int org_top; + FT_Int org_bottom; + + FT_Pos cur_ref; + FT_Pos cur_delta; + FT_Pos cur_bottom; + FT_Pos cur_top; + + } PSH_Blue_ZoneRec, *PSH_Blue_Zone; + + + typedef struct PSH_Blue_TableRec_ + { + FT_UInt count; + PSH_Blue_ZoneRec zones[PS_GLOBALS_MAX_BLUE_ZONES]; + + } PSH_Blue_TableRec, *PSH_Blue_Table; + + + /* blue zones table */ + typedef struct PSH_BluesRec_ + { + PSH_Blue_TableRec normal_top; + PSH_Blue_TableRec normal_bottom; + PSH_Blue_TableRec family_top; + PSH_Blue_TableRec family_bottom; + + FT_Fixed blue_scale; + FT_Int blue_shift; + FT_Int blue_threshold; + FT_Int blue_fuzz; + FT_Bool no_overshoots; + + } PSH_BluesRec, *PSH_Blues; + + + /* font globals. */ + /* dimension 0 => X coordinates + vertical hints/stems */ + /* dimension 1 => Y coordinates + horizontal hints/stems */ + typedef struct PSH_GlobalsRec_ + { + FT_Memory memory; + PSH_DimensionRec dimension[2]; + PSH_BluesRec blues; + + } PSH_GlobalsRec; + + +#define PSH_BLUE_ALIGN_NONE 0 +#define PSH_BLUE_ALIGN_TOP 1 +#define PSH_BLUE_ALIGN_BOT 2 + + + typedef struct PSH_AlignmentRec_ + { + int align; + FT_Pos align_top; + FT_Pos align_bot; + + } PSH_AlignmentRec, *PSH_Alignment; + + + FT_LOCAL( void ) + psh_globals_funcs_init( PSH_Globals_FuncsRec* funcs ); + + +#if 0 + /* snap a stem width to fitter coordinates. `org_width' is in font */ + /* units. The result is in device pixels (26.6 format). */ + FT_LOCAL( FT_Pos ) + psh_dimension_snap_width( PSH_Dimension dimension, + FT_Int org_width ); +#endif + + FT_LOCAL( void ) + psh_globals_set_scale( PSH_Globals globals, + FT_Fixed x_scale, + FT_Fixed y_scale, + FT_Fixed x_delta, + FT_Fixed y_delta ); + + /* snap a stem to one or two blue zones */ + FT_LOCAL( void ) + psh_blues_snap_stem( PSH_Blues blues, + FT_Int stem_top, + FT_Int stem_bot, + PSH_Alignment alignment ); + /* */ + +#ifdef DEBUG_HINTER + extern PSH_Globals ps_debug_globals; +#endif + + +FT_END_HEADER + + +#endif /* PSHGLOB_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshmod.c b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshmod.c new file mode 100644 index 00000000000..0b8f6f99b83 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshmod.c @@ -0,0 +1,121 @@ +/***************************************************************************/ +/* */ +/* pshmod.c */ +/* */ +/* FreeType PostScript hinter module implementation (body). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include "pshrec.h" +#include "pshalgo.h" +#include "pshpic.h" + + + /* the Postscript Hinter module structure */ + typedef struct PS_Hinter_Module_Rec_ + { + FT_ModuleRec root; + PS_HintsRec ps_hints; + + PSH_Globals_FuncsRec globals_funcs; + T1_Hints_FuncsRec t1_funcs; + T2_Hints_FuncsRec t2_funcs; + + } PS_Hinter_ModuleRec, *PS_Hinter_Module; + + + /* finalize module */ + FT_CALLBACK_DEF( void ) + ps_hinter_done( PS_Hinter_Module module ) + { + module->t1_funcs.hints = NULL; + module->t2_funcs.hints = NULL; + + ps_hints_done( &module->ps_hints ); + } + + + /* initialize module, create hints recorder and the interface */ + FT_CALLBACK_DEF( FT_Error ) + ps_hinter_init( PS_Hinter_Module module ) + { + FT_Memory memory = module->root.memory; + void* ph = &module->ps_hints; + + + ps_hints_init( &module->ps_hints, memory ); + + psh_globals_funcs_init( &module->globals_funcs ); + + t1_hints_funcs_init( &module->t1_funcs ); + module->t1_funcs.hints = (T1_Hints)ph; + + t2_hints_funcs_init( &module->t2_funcs ); + module->t2_funcs.hints = (T2_Hints)ph; + + return 0; + } + + + /* returns global hints interface */ + FT_CALLBACK_DEF( PSH_Globals_Funcs ) + pshinter_get_globals_funcs( FT_Module module ) + { + return &((PS_Hinter_Module)module)->globals_funcs; + } + + + /* return Type 1 hints interface */ + FT_CALLBACK_DEF( T1_Hints_Funcs ) + pshinter_get_t1_funcs( FT_Module module ) + { + return &((PS_Hinter_Module)module)->t1_funcs; + } + + + /* return Type 2 hints interface */ + FT_CALLBACK_DEF( T2_Hints_Funcs ) + pshinter_get_t2_funcs( FT_Module module ) + { + return &((PS_Hinter_Module)module)->t2_funcs; + } + + + FT_DEFINE_PSHINTER_INTERFACE( + pshinter_interface, + + pshinter_get_globals_funcs, + pshinter_get_t1_funcs, + pshinter_get_t2_funcs + ) + + + FT_DEFINE_MODULE( + pshinter_module_class, + + 0, + sizeof ( PS_Hinter_ModuleRec ), + "pshinter", + 0x10000L, + 0x20000L, + + &PSHINTER_INTERFACE_GET, /* module-specific interface */ + + (FT_Module_Constructor)ps_hinter_init, /* module_init */ + (FT_Module_Destructor) ps_hinter_done, /* module_done */ + (FT_Module_Requester) NULL /* get_interface */ + ) + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshmod.h b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshmod.h new file mode 100644 index 00000000000..556de2fbc0e --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshmod.h @@ -0,0 +1,39 @@ +/***************************************************************************/ +/* */ +/* pshmod.h */ +/* */ +/* PostScript hinter module interface (specification). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSHMOD_H_ +#define PSHMOD_H_ + + +#include <ft2build.h> +#include FT_MODULE_H + + +FT_BEGIN_HEADER + + + FT_DECLARE_MODULE( pshinter_module_class ) + + +FT_END_HEADER + + +#endif /* PSHMOD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshnterr.h b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshnterr.h new file mode 100644 index 00000000000..b9d02d2956a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshnterr.h @@ -0,0 +1,41 @@ +/***************************************************************************/ +/* */ +/* pshnterr.h */ +/* */ +/* PS Hinter error codes (specification only). */ +/* */ +/* Copyright 2003-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the PSHinter error enumeration constants. */ + /* */ + /*************************************************************************/ + +#ifndef PSHNTERR_H_ +#define PSHNTERR_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX PSH_Err_ +#define FT_ERR_BASE FT_Mod_Err_PShinter + +#include FT_ERRORS_H + +#endif /* PSHNTERR_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshpic.c b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshpic.c new file mode 100644 index 00000000000..465ad31885b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshpic.c @@ -0,0 +1,76 @@ +/***************************************************************************/ +/* */ +/* pshpic.c */ +/* */ +/* The FreeType position independent code services for pshinter module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "pshpic.h" +#include "pshnterr.h" + + +#ifdef FT_CONFIG_OPTION_PIC + + /* forward declaration of PIC init functions from pshmod.c */ + void + FT_Init_Class_pshinter_interface( FT_Library library, + PSHinter_Interface* clazz ); + + void + pshinter_module_class_pic_free( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Memory memory = library->memory; + + + if ( pic_container->pshinter ) + { + FT_FREE( pic_container->pshinter ); + pic_container->pshinter = NULL; + } + } + + + FT_Error + pshinter_module_class_pic_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Error error = FT_Err_Ok; + PSHinterPIC* container = NULL; + FT_Memory memory = library->memory; + + + /* allocate pointer, clear and set global container pointer */ + if ( FT_ALLOC( container, sizeof ( *container ) ) ) + return error; + FT_MEM_SET( container, 0, sizeof ( *container ) ); + pic_container->pshinter = container; + + /* add call to initialization function when you add new scripts */ + FT_Init_Class_pshinter_interface( + library, &container->pshinter_interface ); + + if ( error ) + pshinter_module_class_pic_free( library ); + + return error; + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshpic.h b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshpic.h new file mode 100644 index 00000000000..4469ba87c80 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshpic.h @@ -0,0 +1,63 @@ +/***************************************************************************/ +/* */ +/* pshpic.h */ +/* */ +/* The FreeType position independent code services for pshinter module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSHPIC_H_ +#define PSHPIC_H_ + + +#include FT_INTERNAL_PIC_H + + +#ifndef FT_CONFIG_OPTION_PIC + +#define PSHINTER_INTERFACE_GET pshinter_interface + +#else /* FT_CONFIG_OPTION_PIC */ + +#include FT_INTERNAL_POSTSCRIPT_HINTS_H + +FT_BEGIN_HEADER + + typedef struct PSHinterPIC_ + { + PSHinter_Interface pshinter_interface; + + } PSHinterPIC; + + +#define GET_PIC( lib ) ( (PSHinterPIC*)( (lib)->pic_container.pshinter ) ) + +#define PSHINTER_INTERFACE_GET ( GET_PIC( library )->pshinter_interface ) + + /* see pshpic.c for the implementation */ + void + pshinter_module_class_pic_free( FT_Library library ); + + FT_Error + pshinter_module_class_pic_init( FT_Library library ); + +FT_END_HEADER + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +#endif /* PSHPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshrec.c b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshrec.c new file mode 100644 index 00000000000..6648d13d60f --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshrec.c @@ -0,0 +1,1220 @@ +/***************************************************************************/ +/* */ +/* pshrec.c */ +/* */ +/* FreeType PostScript hints recorder (body). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_CALC_H + +#include "pshrec.h" +#include "pshalgo.h" + +#include "pshnterr.h" + +#undef FT_COMPONENT +#define FT_COMPONENT trace_pshrec + +#ifdef DEBUG_HINTER + PS_Hints ps_debug_hints = NULL; + int ps_debug_no_horz_hints = 0; + int ps_debug_no_vert_hints = 0; +#endif + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PS_HINT MANAGEMENT *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* destroy hints table */ + static void + ps_hint_table_done( PS_Hint_Table table, + FT_Memory memory ) + { + FT_FREE( table->hints ); + table->num_hints = 0; + table->max_hints = 0; + } + + + /* ensure that a table can contain "count" elements */ + static FT_Error + ps_hint_table_ensure( PS_Hint_Table table, + FT_UInt count, + FT_Memory memory ) + { + FT_UInt old_max = table->max_hints; + FT_UInt new_max = count; + FT_Error error = FT_Err_Ok; + + + if ( new_max > old_max ) + { + /* try to grow the table */ + new_max = FT_PAD_CEIL( new_max, 8 ); + if ( !FT_RENEW_ARRAY( table->hints, old_max, new_max ) ) + table->max_hints = new_max; + } + return error; + } + + + static FT_Error + ps_hint_table_alloc( PS_Hint_Table table, + FT_Memory memory, + PS_Hint *ahint ) + { + FT_Error error = FT_Err_Ok; + FT_UInt count; + PS_Hint hint = NULL; + + + count = table->num_hints; + count++; + + if ( count >= table->max_hints ) + { + error = ps_hint_table_ensure( table, count, memory ); + if ( error ) + goto Exit; + } + + hint = table->hints + count - 1; + hint->pos = 0; + hint->len = 0; + hint->flags = 0; + + table->num_hints = count; + + Exit: + *ahint = hint; + return error; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PS_MASK MANAGEMENT *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* destroy mask */ + static void + ps_mask_done( PS_Mask mask, + FT_Memory memory ) + { + FT_FREE( mask->bytes ); + mask->num_bits = 0; + mask->max_bits = 0; + mask->end_point = 0; + } + + + /* ensure that a mask can contain "count" bits */ + static FT_Error + ps_mask_ensure( PS_Mask mask, + FT_UInt count, + FT_Memory memory ) + { + FT_UInt old_max = ( mask->max_bits + 7 ) >> 3; + FT_UInt new_max = ( count + 7 ) >> 3; + FT_Error error = FT_Err_Ok; + + + if ( new_max > old_max ) + { + new_max = FT_PAD_CEIL( new_max, 8 ); + if ( !FT_RENEW_ARRAY( mask->bytes, old_max, new_max ) ) + mask->max_bits = new_max * 8; + } + return error; + } + + + /* test a bit value in a given mask */ + static FT_Int + ps_mask_test_bit( PS_Mask mask, + FT_Int idx ) + { + if ( (FT_UInt)idx >= mask->num_bits ) + return 0; + + return mask->bytes[idx >> 3] & ( 0x80 >> ( idx & 7 ) ); + } + + + /* clear a given bit */ + static void + ps_mask_clear_bit( PS_Mask mask, + FT_UInt idx ) + { + FT_Byte* p; + + + if ( idx >= mask->num_bits ) + return; + + p = mask->bytes + ( idx >> 3 ); + p[0] = (FT_Byte)( p[0] & ~( 0x80 >> ( idx & 7 ) ) ); + } + + + /* set a given bit, possibly grow the mask */ + static FT_Error + ps_mask_set_bit( PS_Mask mask, + FT_UInt idx, + FT_Memory memory ) + { + FT_Error error = FT_Err_Ok; + FT_Byte* p; + + + if ( idx >= mask->num_bits ) + { + error = ps_mask_ensure( mask, idx + 1, memory ); + if ( error ) + goto Exit; + + mask->num_bits = idx + 1; + } + + p = mask->bytes + ( idx >> 3 ); + p[0] = (FT_Byte)( p[0] | ( 0x80 >> ( idx & 7 ) ) ); + + Exit: + return error; + } + + + /* destroy mask table */ + static void + ps_mask_table_done( PS_Mask_Table table, + FT_Memory memory ) + { + FT_UInt count = table->max_masks; + PS_Mask mask = table->masks; + + + for ( ; count > 0; count--, mask++ ) + ps_mask_done( mask, memory ); + + FT_FREE( table->masks ); + table->num_masks = 0; + table->max_masks = 0; + } + + + /* ensure that a mask table can contain "count" masks */ + static FT_Error + ps_mask_table_ensure( PS_Mask_Table table, + FT_UInt count, + FT_Memory memory ) + { + FT_UInt old_max = table->max_masks; + FT_UInt new_max = count; + FT_Error error = FT_Err_Ok; + + + if ( new_max > old_max ) + { + new_max = FT_PAD_CEIL( new_max, 8 ); + if ( !FT_RENEW_ARRAY( table->masks, old_max, new_max ) ) + table->max_masks = new_max; + } + return error; + } + + + /* allocate a new mask in a table */ + static FT_Error + ps_mask_table_alloc( PS_Mask_Table table, + FT_Memory memory, + PS_Mask *amask ) + { + FT_UInt count; + FT_Error error = FT_Err_Ok; + PS_Mask mask = NULL; + + + count = table->num_masks; + count++; + + if ( count > table->max_masks ) + { + error = ps_mask_table_ensure( table, count, memory ); + if ( error ) + goto Exit; + } + + mask = table->masks + count - 1; + mask->num_bits = 0; + mask->end_point = 0; + table->num_masks = count; + + Exit: + *amask = mask; + return error; + } + + + /* return last hint mask in a table, create one if the table is empty */ + static FT_Error + ps_mask_table_last( PS_Mask_Table table, + FT_Memory memory, + PS_Mask *amask ) + { + FT_Error error = FT_Err_Ok; + FT_UInt count; + PS_Mask mask; + + + count = table->num_masks; + if ( count == 0 ) + { + error = ps_mask_table_alloc( table, memory, &mask ); + if ( error ) + goto Exit; + } + else + mask = table->masks + count - 1; + + Exit: + *amask = mask; + return error; + } + + + /* set a new mask to a given bit range */ + static FT_Error + ps_mask_table_set_bits( PS_Mask_Table table, + const FT_Byte* source, + FT_UInt bit_pos, + FT_UInt bit_count, + FT_Memory memory ) + { + FT_Error error; + PS_Mask mask; + + + error = ps_mask_table_last( table, memory, &mask ); + if ( error ) + goto Exit; + + error = ps_mask_ensure( mask, bit_count, memory ); + if ( error ) + goto Exit; + + mask->num_bits = bit_count; + + /* now, copy bits */ + { + FT_Byte* read = (FT_Byte*)source + ( bit_pos >> 3 ); + FT_Int rmask = 0x80 >> ( bit_pos & 7 ); + FT_Byte* write = mask->bytes; + FT_Int wmask = 0x80; + FT_Int val; + + + for ( ; bit_count > 0; bit_count-- ) + { + val = write[0] & ~wmask; + + if ( read[0] & rmask ) + val |= wmask; + + write[0] = (FT_Byte)val; + + rmask >>= 1; + if ( rmask == 0 ) + { + read++; + rmask = 0x80; + } + + wmask >>= 1; + if ( wmask == 0 ) + { + write++; + wmask = 0x80; + } + } + } + + Exit: + return error; + } + + + /* test whether two masks in a table intersect */ + static FT_Int + ps_mask_table_test_intersect( PS_Mask_Table table, + FT_UInt index1, + FT_UInt index2 ) + { + PS_Mask mask1 = table->masks + index1; + PS_Mask mask2 = table->masks + index2; + FT_Byte* p1 = mask1->bytes; + FT_Byte* p2 = mask2->bytes; + FT_UInt count1 = mask1->num_bits; + FT_UInt count2 = mask2->num_bits; + FT_UInt count; + + + count = FT_MIN( count1, count2 ); + for ( ; count >= 8; count -= 8 ) + { + if ( p1[0] & p2[0] ) + return 1; + + p1++; + p2++; + } + + if ( count == 0 ) + return 0; + + return ( p1[0] & p2[0] ) & ~( 0xFF >> count ); + } + + + /* merge two masks, used by ps_mask_table_merge_all */ + static FT_Error + ps_mask_table_merge( PS_Mask_Table table, + FT_UInt index1, + FT_UInt index2, + FT_Memory memory ) + { + FT_Error error = FT_Err_Ok; + + + /* swap index1 and index2 so that index1 < index2 */ + if ( index1 > index2 ) + { + FT_UInt temp; + + + temp = index1; + index1 = index2; + index2 = temp; + } + + if ( index1 < index2 && index2 < table->num_masks ) + { + /* we need to merge the bitsets of index1 and index2 with a */ + /* simple union */ + PS_Mask mask1 = table->masks + index1; + PS_Mask mask2 = table->masks + index2; + FT_UInt count1 = mask1->num_bits; + FT_UInt count2 = mask2->num_bits; + FT_Int delta; + + + if ( count2 > 0 ) + { + FT_UInt pos; + FT_Byte* read; + FT_Byte* write; + + + /* if "count2" is greater than "count1", we need to grow the */ + /* first bitset, and clear the highest bits */ + if ( count2 > count1 ) + { + error = ps_mask_ensure( mask1, count2, memory ); + if ( error ) + goto Exit; + + for ( pos = count1; pos < count2; pos++ ) + ps_mask_clear_bit( mask1, pos ); + } + + /* merge (unite) the bitsets */ + read = mask2->bytes; + write = mask1->bytes; + pos = ( count2 + 7 ) >> 3; + + for ( ; pos > 0; pos-- ) + { + write[0] = (FT_Byte)( write[0] | read[0] ); + write++; + read++; + } + } + + /* Now, remove "mask2" from the list. We need to keep the masks */ + /* sorted in order of importance, so move table elements. */ + mask2->num_bits = 0; + mask2->end_point = 0; + + /* number of masks to move */ + delta = (FT_Int)( table->num_masks - 1 - index2 ); + if ( delta > 0 ) + { + /* move to end of table for reuse */ + PS_MaskRec dummy = *mask2; + + + ft_memmove( mask2, + mask2 + 1, + (FT_UInt)delta * sizeof ( PS_MaskRec ) ); + + mask2[delta] = dummy; + } + + table->num_masks--; + } + else + FT_TRACE0(( "ps_mask_table_merge: ignoring invalid indices (%d,%d)\n", + index1, index2 )); + + Exit: + return error; + } + + + /* Try to merge all masks in a given table. This is used to merge */ + /* all counter masks into independent counter "paths". */ + /* */ + static FT_Error + ps_mask_table_merge_all( PS_Mask_Table table, + FT_Memory memory ) + { + FT_Int index1, index2; + FT_Error error = FT_Err_Ok; + + + /* both loops go down to 0, thus FT_Int for index1 and index2 */ + for ( index1 = (FT_Int)table->num_masks - 1; index1 > 0; index1-- ) + { + for ( index2 = index1 - 1; index2 >= 0; index2-- ) + { + if ( ps_mask_table_test_intersect( table, + (FT_UInt)index1, + (FT_UInt)index2 ) ) + { + error = ps_mask_table_merge( table, + (FT_UInt)index2, + (FT_UInt)index1, + memory ); + if ( error ) + goto Exit; + + break; + } + } + } + + Exit: + return error; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PS_DIMENSION MANAGEMENT *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* finalize a given dimension */ + static void + ps_dimension_done( PS_Dimension dimension, + FT_Memory memory ) + { + ps_mask_table_done( &dimension->counters, memory ); + ps_mask_table_done( &dimension->masks, memory ); + ps_hint_table_done( &dimension->hints, memory ); + } + + + /* initialize a given dimension */ + static void + ps_dimension_init( PS_Dimension dimension ) + { + dimension->hints.num_hints = 0; + dimension->masks.num_masks = 0; + dimension->counters.num_masks = 0; + } + + +#if 0 + + /* set a bit at a given index in the current hint mask */ + static FT_Error + ps_dimension_set_mask_bit( PS_Dimension dim, + FT_UInt idx, + FT_Memory memory ) + { + PS_Mask mask; + FT_Error error = FT_Err_Ok; + + + /* get last hint mask */ + error = ps_mask_table_last( &dim->masks, memory, &mask ); + if ( error ) + goto Exit; + + error = ps_mask_set_bit( mask, idx, memory ); + + Exit: + return error; + } + +#endif + + /* set the end point in a mask, called from "End" & "Reset" methods */ + static void + ps_dimension_end_mask( PS_Dimension dim, + FT_UInt end_point ) + { + FT_UInt count = dim->masks.num_masks; + + + if ( count > 0 ) + { + PS_Mask mask = dim->masks.masks + count - 1; + + + mask->end_point = end_point; + } + } + + + /* set the end point in the current mask, then create a new empty one */ + /* (called by "Reset" method) */ + static FT_Error + ps_dimension_reset_mask( PS_Dimension dim, + FT_UInt end_point, + FT_Memory memory ) + { + PS_Mask mask; + + + /* end current mask */ + ps_dimension_end_mask( dim, end_point ); + + /* allocate new one */ + return ps_mask_table_alloc( &dim->masks, memory, &mask ); + } + + + /* set a new mask, called from the "T2Stem" method */ + static FT_Error + ps_dimension_set_mask_bits( PS_Dimension dim, + const FT_Byte* source, + FT_UInt source_pos, + FT_UInt source_bits, + FT_UInt end_point, + FT_Memory memory ) + { + FT_Error error; + + + /* reset current mask, if any */ + error = ps_dimension_reset_mask( dim, end_point, memory ); + if ( error ) + goto Exit; + + /* set bits in new mask */ + error = ps_mask_table_set_bits( &dim->masks, source, + source_pos, source_bits, memory ); + + Exit: + return error; + } + + + /* add a new single stem (called from "T1Stem" method) */ + static FT_Error + ps_dimension_add_t1stem( PS_Dimension dim, + FT_Int pos, + FT_Int len, + FT_Memory memory, + FT_Int *aindex ) + { + FT_Error error = FT_Err_Ok; + FT_UInt flags = 0; + + + /* detect ghost stem */ + if ( len < 0 ) + { + flags |= PS_HINT_FLAG_GHOST; + if ( len == -21 ) + { + flags |= PS_HINT_FLAG_BOTTOM; + pos += len; + } + len = 0; + } + + if ( aindex ) + *aindex = -1; + + /* now, lookup stem in the current hints table */ + { + PS_Mask mask; + FT_UInt idx; + FT_UInt max = dim->hints.num_hints; + PS_Hint hint = dim->hints.hints; + + + for ( idx = 0; idx < max; idx++, hint++ ) + { + if ( hint->pos == pos && hint->len == len ) + break; + } + + /* we need to create a new hint in the table */ + if ( idx >= max ) + { + error = ps_hint_table_alloc( &dim->hints, memory, &hint ); + if ( error ) + goto Exit; + + hint->pos = pos; + hint->len = len; + hint->flags = flags; + } + + /* now, store the hint in the current mask */ + error = ps_mask_table_last( &dim->masks, memory, &mask ); + if ( error ) + goto Exit; + + error = ps_mask_set_bit( mask, idx, memory ); + if ( error ) + goto Exit; + + if ( aindex ) + *aindex = (FT_Int)idx; + } + + Exit: + return error; + } + + + /* add a "hstem3/vstem3" counter to our dimension table */ + static FT_Error + ps_dimension_add_counter( PS_Dimension dim, + FT_Int hint1, + FT_Int hint2, + FT_Int hint3, + FT_Memory memory ) + { + FT_Error error = FT_Err_Ok; + FT_UInt count = dim->counters.num_masks; + PS_Mask counter = dim->counters.masks; + + + /* try to find an existing counter mask that already uses */ + /* one of these stems here */ + for ( ; count > 0; count--, counter++ ) + { + if ( ps_mask_test_bit( counter, hint1 ) || + ps_mask_test_bit( counter, hint2 ) || + ps_mask_test_bit( counter, hint3 ) ) + break; + } + + /* create a new counter when needed */ + if ( count == 0 ) + { + error = ps_mask_table_alloc( &dim->counters, memory, &counter ); + if ( error ) + goto Exit; + } + + /* now, set the bits for our hints in the counter mask */ + if ( hint1 >= 0 ) + { + error = ps_mask_set_bit( counter, (FT_UInt)hint1, memory ); + if ( error ) + goto Exit; + } + + if ( hint2 >= 0 ) + { + error = ps_mask_set_bit( counter, (FT_UInt)hint2, memory ); + if ( error ) + goto Exit; + } + + if ( hint3 >= 0 ) + { + error = ps_mask_set_bit( counter, (FT_UInt)hint3, memory ); + if ( error ) + goto Exit; + } + + Exit: + return error; + } + + + /* end of recording session for a given dimension */ + static FT_Error + ps_dimension_end( PS_Dimension dim, + FT_UInt end_point, + FT_Memory memory ) + { + /* end hint mask table */ + ps_dimension_end_mask( dim, end_point ); + + /* merge all counter masks into independent "paths" */ + return ps_mask_table_merge_all( &dim->counters, memory ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** PS_RECORDER MANAGEMENT *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /* destroy hints */ + FT_LOCAL( void ) + ps_hints_done( PS_Hints hints ) + { + FT_Memory memory = hints->memory; + + + ps_dimension_done( &hints->dimension[0], memory ); + ps_dimension_done( &hints->dimension[1], memory ); + + hints->error = FT_Err_Ok; + hints->memory = NULL; + } + + + FT_LOCAL( void ) + ps_hints_init( PS_Hints hints, + FT_Memory memory ) + { + FT_ZERO( hints ); + hints->memory = memory; + } + + + /* initialize a hints for a new session */ + static void + ps_hints_open( PS_Hints hints, + PS_Hint_Type hint_type ) + { + hints->error = FT_Err_Ok; + hints->hint_type = hint_type; + + ps_dimension_init( &hints->dimension[0] ); + ps_dimension_init( &hints->dimension[1] ); + } + + + /* add one or more stems to the current hints table */ + static void + ps_hints_stem( PS_Hints hints, + FT_UInt dimension, + FT_Int count, + FT_Long* stems ) + { + PS_Dimension dim; + + + if ( hints->error ) + return; + + /* limit "dimension" to 0..1 */ + if ( dimension > 1 ) + { + FT_TRACE0(( "ps_hints_stem: invalid dimension (%d) used\n", + dimension )); + dimension = ( dimension != 0 ); + } + + /* record the stems in the current hints/masks table */ + /* (Type 1 & 2's `hstem' or `vstem' operators) */ + dim = &hints->dimension[dimension]; + + for ( ; count > 0; count--, stems += 2 ) + { + FT_Error error; + FT_Memory memory = hints->memory; + + + error = ps_dimension_add_t1stem( dim, + (FT_Int)stems[0], + (FT_Int)stems[1], + memory, + NULL ); + if ( error ) + { + FT_ERROR(( "ps_hints_stem: could not add stem" + " (%d,%d) to hints table\n", stems[0], stems[1] )); + + hints->error = error; + return; + } + } + } + + + /* add one Type1 counter stem to the current hints table */ + static void + ps_hints_t1stem3( PS_Hints hints, + FT_UInt dimension, + FT_Fixed* stems ) + { + FT_Error error = FT_Err_Ok; + + + if ( !hints->error ) + { + PS_Dimension dim; + FT_Memory memory = hints->memory; + FT_Int count; + FT_Int idx[3]; + + + /* limit "dimension" to 0..1 */ + if ( dimension > 1 ) + { + FT_TRACE0(( "ps_hints_t1stem3: invalid dimension (%d) used\n", + dimension )); + dimension = ( dimension != 0 ); + } + + dim = &hints->dimension[dimension]; + + /* there must be 6 elements in the 'stem' array */ + if ( hints->hint_type == PS_HINT_TYPE_1 ) + { + /* add the three stems to our hints/masks table */ + for ( count = 0; count < 3; count++, stems += 2 ) + { + error = ps_dimension_add_t1stem( dim, + (FT_Int)FIXED_TO_INT( stems[0] ), + (FT_Int)FIXED_TO_INT( stems[1] ), + memory, &idx[count] ); + if ( error ) + goto Fail; + } + + /* now, add the hints to the counters table */ + error = ps_dimension_add_counter( dim, idx[0], idx[1], idx[2], + memory ); + if ( error ) + goto Fail; + } + else + { + FT_ERROR(( "ps_hints_t1stem3: called with invalid hint type\n" )); + error = FT_THROW( Invalid_Argument ); + goto Fail; + } + } + + return; + + Fail: + FT_ERROR(( "ps_hints_t1stem3: could not add counter stems to table\n" )); + hints->error = error; + } + + + /* reset hints (only with Type 1 hints) */ + static void + ps_hints_t1reset( PS_Hints hints, + FT_UInt end_point ) + { + FT_Error error = FT_Err_Ok; + + + if ( !hints->error ) + { + FT_Memory memory = hints->memory; + + + if ( hints->hint_type == PS_HINT_TYPE_1 ) + { + error = ps_dimension_reset_mask( &hints->dimension[0], + end_point, memory ); + if ( error ) + goto Fail; + + error = ps_dimension_reset_mask( &hints->dimension[1], + end_point, memory ); + if ( error ) + goto Fail; + } + else + { + /* invalid hint type */ + error = FT_THROW( Invalid_Argument ); + goto Fail; + } + } + return; + + Fail: + hints->error = error; + } + + + /* Type2 "hintmask" operator, add a new hintmask to each direction */ + static void + ps_hints_t2mask( PS_Hints hints, + FT_UInt end_point, + FT_UInt bit_count, + const FT_Byte* bytes ) + { + FT_Error error; + + + if ( !hints->error ) + { + PS_Dimension dim = hints->dimension; + FT_Memory memory = hints->memory; + FT_UInt count1 = dim[0].hints.num_hints; + FT_UInt count2 = dim[1].hints.num_hints; + + + /* check bit count; must be equal to current total hint count */ + if ( bit_count != count1 + count2 ) + { + FT_TRACE0(( "ps_hints_t2mask:" + " called with invalid bitcount %d (instead of %d)\n", + bit_count, count1 + count2 )); + + /* simply ignore the operator */ + return; + } + + /* set-up new horizontal and vertical hint mask now */ + error = ps_dimension_set_mask_bits( &dim[0], bytes, count2, count1, + end_point, memory ); + if ( error ) + goto Fail; + + error = ps_dimension_set_mask_bits( &dim[1], bytes, 0, count2, + end_point, memory ); + if ( error ) + goto Fail; + } + return; + + Fail: + hints->error = error; + } + + + static void + ps_hints_t2counter( PS_Hints hints, + FT_UInt bit_count, + const FT_Byte* bytes ) + { + FT_Error error; + + + if ( !hints->error ) + { + PS_Dimension dim = hints->dimension; + FT_Memory memory = hints->memory; + FT_UInt count1 = dim[0].hints.num_hints; + FT_UInt count2 = dim[1].hints.num_hints; + + + /* check bit count, must be equal to current total hint count */ + if ( bit_count != count1 + count2 ) + { + FT_TRACE0(( "ps_hints_t2counter:" + " called with invalid bitcount %d (instead of %d)\n", + bit_count, count1 + count2 )); + + /* simply ignore the operator */ + return; + } + + /* set-up new horizontal and vertical hint mask now */ + error = ps_dimension_set_mask_bits( &dim[0], bytes, 0, count1, + 0, memory ); + if ( error ) + goto Fail; + + error = ps_dimension_set_mask_bits( &dim[1], bytes, count1, count2, + 0, memory ); + if ( error ) + goto Fail; + } + return; + + Fail: + hints->error = error; + } + + + /* end recording session */ + static FT_Error + ps_hints_close( PS_Hints hints, + FT_UInt end_point ) + { + FT_Error error; + + + error = hints->error; + if ( !error ) + { + FT_Memory memory = hints->memory; + PS_Dimension dim = hints->dimension; + + + error = ps_dimension_end( &dim[0], end_point, memory ); + if ( !error ) + { + error = ps_dimension_end( &dim[1], end_point, memory ); + } + } + +#ifdef DEBUG_HINTER + if ( !error ) + ps_debug_hints = hints; +#endif + return error; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE 1 HINTS RECORDING INTERFACE *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + static void + t1_hints_open( T1_Hints hints ) + { + ps_hints_open( (PS_Hints)hints, PS_HINT_TYPE_1 ); + } + + static void + t1_hints_stem( T1_Hints hints, + FT_UInt dimension, + FT_Fixed* coords ) + { + FT_Pos stems[2]; + + + stems[0] = FIXED_TO_INT( coords[0] ); + stems[1] = FIXED_TO_INT( coords[1] ); + + ps_hints_stem( (PS_Hints)hints, dimension, 1, stems ); + } + + + FT_LOCAL_DEF( void ) + t1_hints_funcs_init( T1_Hints_FuncsRec* funcs ) + { + FT_ZERO( funcs ); + + funcs->open = (T1_Hints_OpenFunc) t1_hints_open; + funcs->close = (T1_Hints_CloseFunc) ps_hints_close; + funcs->stem = (T1_Hints_SetStemFunc) t1_hints_stem; + funcs->stem3 = (T1_Hints_SetStem3Func)ps_hints_t1stem3; + funcs->reset = (T1_Hints_ResetFunc) ps_hints_t1reset; + funcs->apply = (T1_Hints_ApplyFunc) ps_hints_apply; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE 2 HINTS RECORDING INTERFACE *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + static void + t2_hints_open( T2_Hints hints ) + { + ps_hints_open( (PS_Hints)hints, PS_HINT_TYPE_2 ); + } + + + static void + t2_hints_stems( T2_Hints hints, + FT_UInt dimension, + FT_Int count, + FT_Fixed* coords ) + { + FT_Pos stems[32], y; + FT_Int total = count, n; + + + y = 0; + while ( total > 0 ) + { + /* determine number of stems to write */ + count = total; + if ( count > 16 ) + count = 16; + + /* compute integer stem positions in font units */ + for ( n = 0; n < count * 2; n++ ) + { + y += coords[n]; + stems[n] = FIXED_TO_INT( y ); + } + + /* compute lengths */ + for ( n = 0; n < count * 2; n += 2 ) + stems[n + 1] = stems[n + 1] - stems[n]; + + /* add them to the current dimension */ + ps_hints_stem( (PS_Hints)hints, dimension, count, stems ); + + total -= count; + } + } + + + FT_LOCAL_DEF( void ) + t2_hints_funcs_init( T2_Hints_FuncsRec* funcs ) + { + FT_ZERO( funcs ); + + funcs->open = (T2_Hints_OpenFunc) t2_hints_open; + funcs->close = (T2_Hints_CloseFunc) ps_hints_close; + funcs->stems = (T2_Hints_StemsFunc) t2_hints_stems; + funcs->hintmask= (T2_Hints_MaskFunc) ps_hints_t2mask; + funcs->counter = (T2_Hints_CounterFunc)ps_hints_t2counter; + funcs->apply = (T2_Hints_ApplyFunc) ps_hints_apply; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshrec.h b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshrec.h new file mode 100644 index 00000000000..7e3dfe0d538 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/pshinter/pshrec.h @@ -0,0 +1,172 @@ +/***************************************************************************/ +/* */ +/* pshrec.h */ +/* */ +/* Postscript (Type1/Type2) hints recorder (specification). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /**************************************************************************/ + /* */ + /* The functions defined here are called from the Type 1, CID and CFF */ + /* font drivers to record the hints of a given character/glyph. */ + /* */ + /* The hints are recorded in a unified format, and are later processed */ + /* by the `optimizer' and `fitter' to adjust the outlines to the pixel */ + /* grid. */ + /* */ + /**************************************************************************/ + + +#ifndef PSHREC_H_ +#define PSHREC_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_POSTSCRIPT_HINTS_H +#include "pshglob.h" + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** GLYPH HINTS RECORDER INTERNALS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* handle to hint record */ + typedef struct PS_HintRec_* PS_Hint; + + /* hint types */ + typedef enum PS_Hint_Type_ + { + PS_HINT_TYPE_1 = 1, + PS_HINT_TYPE_2 = 2 + + } PS_Hint_Type; + + + /* hint flags */ +#define PS_HINT_FLAG_GHOST 1U +#define PS_HINT_FLAG_BOTTOM 2U + + + /* hint descriptor */ + typedef struct PS_HintRec_ + { + FT_Int pos; + FT_Int len; + FT_UInt flags; + + } PS_HintRec; + + +#define ps_hint_is_active( x ) ( (x)->flags & PS_HINT_FLAG_ACTIVE ) +#define ps_hint_is_ghost( x ) ( (x)->flags & PS_HINT_FLAG_GHOST ) +#define ps_hint_is_bottom( x ) ( (x)->flags & PS_HINT_FLAG_BOTTOM ) + + + /* hints table descriptor */ + typedef struct PS_Hint_TableRec_ + { + FT_UInt num_hints; + FT_UInt max_hints; + PS_Hint hints; + + } PS_Hint_TableRec, *PS_Hint_Table; + + + /* hint and counter mask descriptor */ + typedef struct PS_MaskRec_ + { + FT_UInt num_bits; + FT_UInt max_bits; + FT_Byte* bytes; + FT_UInt end_point; + + } PS_MaskRec, *PS_Mask; + + + /* masks and counters table descriptor */ + typedef struct PS_Mask_TableRec_ + { + FT_UInt num_masks; + FT_UInt max_masks; + PS_Mask masks; + + } PS_Mask_TableRec, *PS_Mask_Table; + + + /* dimension-specific hints descriptor */ + typedef struct PS_DimensionRec_ + { + PS_Hint_TableRec hints; + PS_Mask_TableRec masks; + PS_Mask_TableRec counters; + + } PS_DimensionRec, *PS_Dimension; + + + /* glyph hints descriptor */ + /* dimension 0 => X coordinates + vertical hints/stems */ + /* dimension 1 => Y coordinates + horizontal hints/stems */ + typedef struct PS_HintsRec_ + { + FT_Memory memory; + FT_Error error; + FT_UInt32 magic; + PS_Hint_Type hint_type; + PS_DimensionRec dimension[2]; + + } PS_HintsRec, *PS_Hints; + + /* */ + + /* initialize hints recorder */ + FT_LOCAL( void ) + ps_hints_init( PS_Hints hints, + FT_Memory memory ); + + /* finalize hints recorder */ + FT_LOCAL( void ) + ps_hints_done( PS_Hints hints ); + + /* initialize Type1 hints recorder interface */ + FT_LOCAL( void ) + t1_hints_funcs_init( T1_Hints_FuncsRec* funcs ); + + /* initialize Type2 hints recorder interface */ + FT_LOCAL( void ) + t2_hints_funcs_init( T2_Hints_FuncsRec* funcs ); + + +#ifdef DEBUG_HINTER + extern PS_Hints ps_debug_hints; + extern int ps_debug_no_horz_hints; + extern int ps_debug_no_vert_hints; +#endif + + /* */ + + +FT_END_HEADER + + +#endif /* PSHREC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psnames/psmodule.c b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/psmodule.c new file mode 100644 index 00000000000..8929ebe751d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/psmodule.c @@ -0,0 +1,632 @@ +/***************************************************************************/ +/* */ +/* psmodule.c */ +/* */ +/* PSNames module implementation (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_SERVICE_POSTSCRIPT_CMAPS_H + +#include "psmodule.h" + + /* + * The file `pstables.h' with its arrays and its function + * `ft_get_adobe_glyph_index' is useful for other projects also (for + * example, `pdfium' is using it). However, if used as a C++ header, + * including it in two different source files makes it necessary to use + * `extern const' for the declaration of its arrays, otherwise the data + * would be duplicated as mandated by the C++ standard. + * + * For this reason, we use `DEFINE_PS_TABLES' to guard the function + * definitions, and `DEFINE_PS_TABLES_DATA' to provide both proper array + * declarations and definitions. + */ +#include "pstables.h" +#define DEFINE_PS_TABLES +#define DEFINE_PS_TABLES_DATA +#include "pstables.h" + +#include "psnamerr.h" +#include "pspic.h" + + +#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES + + +#ifdef FT_CONFIG_OPTION_ADOBE_GLYPH_LIST + + +#define VARIANT_BIT 0x80000000UL +#define BASE_GLYPH( code ) ( (FT_UInt32)( (code) & ~VARIANT_BIT ) ) + + + /* Return the Unicode value corresponding to a given glyph. Note that */ + /* we do deal with glyph variants by detecting a non-initial dot in */ + /* the name, as in `A.swash' or `e.final'; in this case, the */ + /* VARIANT_BIT is set in the return value. */ + /* */ + static FT_UInt32 + ps_unicode_value( const char* glyph_name ) + { + /* If the name begins with `uni', then the glyph name may be a */ + /* hard-coded unicode character code. */ + if ( glyph_name[0] == 'u' && + glyph_name[1] == 'n' && + glyph_name[2] == 'i' ) + { + /* determine whether the next four characters following are */ + /* hexadecimal. */ + + /* XXX: Add code to deal with ligatures, i.e. glyph names like */ + /* `uniXXXXYYYYZZZZ'... */ + + FT_Int count; + FT_UInt32 value = 0; + const char* p = glyph_name + 3; + + + for ( count = 4; count > 0; count--, p++ ) + { + char c = *p; + unsigned int d; + + + d = (unsigned char)c - '0'; + if ( d >= 10 ) + { + d = (unsigned char)c - 'A'; + if ( d >= 6 ) + d = 16; + else + d += 10; + } + + /* Exit if a non-uppercase hexadecimal character was found */ + /* -- this also catches character codes below `0' since such */ + /* negative numbers cast to `unsigned int' are far too big. */ + if ( d >= 16 ) + break; + + value = ( value << 4 ) + d; + } + + /* there must be exactly four hex digits */ + if ( count == 0 ) + { + if ( *p == '\0' ) + return value; + if ( *p == '.' ) + return (FT_UInt32)( value | VARIANT_BIT ); + } + } + + /* If the name begins with `u', followed by four to six uppercase */ + /* hexadecimal digits, it is a hard-coded unicode character code. */ + if ( glyph_name[0] == 'u' ) + { + FT_Int count; + FT_UInt32 value = 0; + const char* p = glyph_name + 1; + + + for ( count = 6; count > 0; count--, p++ ) + { + char c = *p; + unsigned int d; + + + d = (unsigned char)c - '0'; + if ( d >= 10 ) + { + d = (unsigned char)c - 'A'; + if ( d >= 6 ) + d = 16; + else + d += 10; + } + + if ( d >= 16 ) + break; + + value = ( value << 4 ) + d; + } + + if ( count <= 2 ) + { + if ( *p == '\0' ) + return value; + if ( *p == '.' ) + return (FT_UInt32)( value | VARIANT_BIT ); + } + } + + /* Look for a non-initial dot in the glyph name in order to */ + /* find variants like `A.swash', `e.final', etc. */ + { + const char* p = glyph_name; + const char* dot = NULL; + + + for ( ; *p; p++ ) + { + if ( *p == '.' && p > glyph_name ) + { + dot = p; + break; + } + } + + /* now look up the glyph in the Adobe Glyph List */ + if ( !dot ) + return (FT_UInt32)ft_get_adobe_glyph_index( glyph_name, p ); + else + return (FT_UInt32)( ft_get_adobe_glyph_index( glyph_name, dot ) | + VARIANT_BIT ); + } + } + + + /* ft_qsort callback to sort the unicode map */ + FT_CALLBACK_DEF( int ) + compare_uni_maps( const void* a, + const void* b ) + { + PS_UniMap* map1 = (PS_UniMap*)a; + PS_UniMap* map2 = (PS_UniMap*)b; + FT_UInt32 unicode1 = BASE_GLYPH( map1->unicode ); + FT_UInt32 unicode2 = BASE_GLYPH( map2->unicode ); + + + /* sort base glyphs before glyph variants */ + if ( unicode1 == unicode2 ) + { + if ( map1->unicode > map2->unicode ) + return 1; + else if ( map1->unicode < map2->unicode ) + return -1; + else + return 0; + } + else + { + if ( unicode1 > unicode2 ) + return 1; + else if ( unicode1 < unicode2 ) + return -1; + else + return 0; + } + } + + + /* support for extra glyphs not handled (well) in AGL; */ + /* we add extra mappings for them if necessary */ + +#define EXTRA_GLYPH_LIST_SIZE 10 + + static const FT_UInt32 ft_extra_glyph_unicodes[EXTRA_GLYPH_LIST_SIZE] = + { + /* WGL 4 */ + 0x0394, + 0x03A9, + 0x2215, + 0x00AD, + 0x02C9, + 0x03BC, + 0x2219, + 0x00A0, + /* Romanian */ + 0x021A, + 0x021B + }; + + static const char ft_extra_glyph_names[] = + { + 'D','e','l','t','a',0, + 'O','m','e','g','a',0, + 'f','r','a','c','t','i','o','n',0, + 'h','y','p','h','e','n',0, + 'm','a','c','r','o','n',0, + 'm','u',0, + 'p','e','r','i','o','d','c','e','n','t','e','r','e','d',0, + 's','p','a','c','e',0, + 'T','c','o','m','m','a','a','c','c','e','n','t',0, + 't','c','o','m','m','a','a','c','c','e','n','t',0 + }; + + static const FT_Int + ft_extra_glyph_name_offsets[EXTRA_GLYPH_LIST_SIZE] = + { + 0, + 6, + 12, + 21, + 28, + 35, + 38, + 53, + 59, + 72 + }; + + + static void + ps_check_extra_glyph_name( const char* gname, + FT_UInt glyph, + FT_UInt* extra_glyphs, + FT_UInt *states ) + { + FT_UInt n; + + + for ( n = 0; n < EXTRA_GLYPH_LIST_SIZE; n++ ) + { + if ( ft_strcmp( ft_extra_glyph_names + + ft_extra_glyph_name_offsets[n], gname ) == 0 ) + { + if ( states[n] == 0 ) + { + /* mark this extra glyph as a candidate for the cmap */ + states[n] = 1; + extra_glyphs[n] = glyph; + } + + return; + } + } + } + + + static void + ps_check_extra_glyph_unicode( FT_UInt32 uni_char, + FT_UInt *states ) + { + FT_UInt n; + + + for ( n = 0; n < EXTRA_GLYPH_LIST_SIZE; n++ ) + { + if ( uni_char == ft_extra_glyph_unicodes[n] ) + { + /* disable this extra glyph from being added to the cmap */ + states[n] = 2; + + return; + } + } + } + + + /* Build a table that maps Unicode values to glyph indices. */ + static FT_Error + ps_unicodes_init( FT_Memory memory, + PS_Unicodes table, + FT_UInt num_glyphs, + PS_GetGlyphNameFunc get_glyph_name, + PS_FreeGlyphNameFunc free_glyph_name, + FT_Pointer glyph_data ) + { + FT_Error error; + + FT_UInt extra_glyph_list_states[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; + FT_UInt extra_glyphs[EXTRA_GLYPH_LIST_SIZE]; + + + /* we first allocate the table */ + table->num_maps = 0; + table->maps = NULL; + + if ( !FT_NEW_ARRAY( table->maps, num_glyphs + EXTRA_GLYPH_LIST_SIZE ) ) + { + FT_UInt n; + FT_UInt count; + PS_UniMap* map; + FT_UInt32 uni_char; + + + map = table->maps; + + for ( n = 0; n < num_glyphs; n++ ) + { + const char* gname = get_glyph_name( glyph_data, n ); + + + if ( gname ) + { + ps_check_extra_glyph_name( gname, n, + extra_glyphs, extra_glyph_list_states ); + uni_char = ps_unicode_value( gname ); + + if ( BASE_GLYPH( uni_char ) != 0 ) + { + ps_check_extra_glyph_unicode( uni_char, + extra_glyph_list_states ); + map->unicode = uni_char; + map->glyph_index = n; + map++; + } + + if ( free_glyph_name ) + free_glyph_name( glyph_data, gname ); + } + } + + for ( n = 0; n < EXTRA_GLYPH_LIST_SIZE; n++ ) + { + if ( extra_glyph_list_states[n] == 1 ) + { + /* This glyph name has an additional representation. */ + /* Add it to the cmap. */ + + map->unicode = ft_extra_glyph_unicodes[n]; + map->glyph_index = extra_glyphs[n]; + map++; + } + } + + /* now compress the table a bit */ + count = (FT_UInt)( map - table->maps ); + + if ( count == 0 ) + { + /* No unicode chars here! */ + FT_FREE( table->maps ); + if ( !error ) + error = FT_THROW( No_Unicode_Glyph_Name ); + } + else + { + /* Reallocate if the number of used entries is much smaller. */ + if ( count < num_glyphs / 2 ) + { + (void)FT_RENEW_ARRAY( table->maps, num_glyphs, count ); + error = FT_Err_Ok; + } + + /* Sort the table in increasing order of unicode values, */ + /* taking care of glyph variants. */ + ft_qsort( table->maps, count, sizeof ( PS_UniMap ), + compare_uni_maps ); + } + + table->num_maps = count; + } + + return error; + } + + + static FT_UInt + ps_unicodes_char_index( PS_Unicodes table, + FT_UInt32 unicode ) + { + PS_UniMap *min, *max, *mid, *result = NULL; + + + /* Perform a binary search on the table. */ + + min = table->maps; + max = min + table->num_maps - 1; + + while ( min <= max ) + { + FT_UInt32 base_glyph; + + + mid = min + ( ( max - min ) >> 1 ); + + if ( mid->unicode == unicode ) + { + result = mid; + break; + } + + base_glyph = BASE_GLYPH( mid->unicode ); + + if ( base_glyph == unicode ) + result = mid; /* remember match but continue search for base glyph */ + + if ( min == max ) + break; + + if ( base_glyph < unicode ) + min = mid + 1; + else + max = mid - 1; + } + + if ( result ) + return result->glyph_index; + else + return 0; + } + + + static FT_UInt32 + ps_unicodes_char_next( PS_Unicodes table, + FT_UInt32 *unicode ) + { + FT_UInt result = 0; + FT_UInt32 char_code = *unicode + 1; + + + { + FT_UInt min = 0; + FT_UInt max = table->num_maps; + FT_UInt mid; + PS_UniMap* map; + FT_UInt32 base_glyph; + + + while ( min < max ) + { + mid = min + ( ( max - min ) >> 1 ); + map = table->maps + mid; + + if ( map->unicode == char_code ) + { + result = map->glyph_index; + goto Exit; + } + + base_glyph = BASE_GLYPH( map->unicode ); + + if ( base_glyph == char_code ) + result = map->glyph_index; + + if ( base_glyph < char_code ) + min = mid + 1; + else + max = mid; + } + + if ( result ) + goto Exit; /* we have a variant glyph */ + + /* we didn't find it; check whether we have a map just above it */ + char_code = 0; + + if ( min < table->num_maps ) + { + map = table->maps + min; + result = map->glyph_index; + char_code = BASE_GLYPH( map->unicode ); + } + } + + Exit: + *unicode = char_code; + return result; + } + + +#endif /* FT_CONFIG_OPTION_ADOBE_GLYPH_LIST */ + + + static const char* + ps_get_macintosh_name( FT_UInt name_index ) + { + if ( name_index >= FT_NUM_MAC_NAMES ) + name_index = 0; + + return ft_standard_glyph_names + ft_mac_names[name_index]; + } + + + static const char* + ps_get_standard_strings( FT_UInt sid ) + { + if ( sid >= FT_NUM_SID_NAMES ) + return 0; + + return ft_standard_glyph_names + ft_sid_names[sid]; + } + + +#ifdef FT_CONFIG_OPTION_ADOBE_GLYPH_LIST + + FT_DEFINE_SERVICE_PSCMAPSREC( + pscmaps_interface, + + (PS_Unicode_ValueFunc) ps_unicode_value, /* unicode_value */ + (PS_Unicodes_InitFunc) ps_unicodes_init, /* unicodes_init */ + (PS_Unicodes_CharIndexFunc)ps_unicodes_char_index, /* unicodes_char_index */ + (PS_Unicodes_CharNextFunc) ps_unicodes_char_next, /* unicodes_char_next */ + + (PS_Macintosh_NameFunc) ps_get_macintosh_name, /* macintosh_name */ + (PS_Adobe_Std_StringsFunc) ps_get_standard_strings, /* adobe_std_strings */ + + t1_standard_encoding, /* adobe_std_encoding */ + t1_expert_encoding /* adobe_expert_encoding */ + ) + +#else + + FT_DEFINE_SERVICE_PSCMAPSREC( + pscmaps_interface, + + NULL, /* unicode_value */ + NULL, /* unicodes_init */ + NULL, /* unicodes_char_index */ + NULL, /* unicodes_char_next */ + + (PS_Macintosh_NameFunc) ps_get_macintosh_name, /* macintosh_name */ + (PS_Adobe_Std_StringsFunc) ps_get_standard_strings, /* adobe_std_strings */ + + t1_standard_encoding, /* adobe_std_encoding */ + t1_expert_encoding /* adobe_expert_encoding */ + ) + +#endif /* FT_CONFIG_OPTION_ADOBE_GLYPH_LIST */ + + + FT_DEFINE_SERVICEDESCREC1( + pscmaps_services, + + FT_SERVICE_ID_POSTSCRIPT_CMAPS, &PSCMAPS_INTERFACE_GET ) + + + static FT_Pointer + psnames_get_service( FT_Module module, + const char* service_id ) + { + /* PSCMAPS_SERVICES_GET dereferences `library' in PIC mode */ +#ifdef FT_CONFIG_OPTION_PIC + FT_Library library; + + + if ( !module ) + return NULL; + library = module->library; + if ( !library ) + return NULL; +#else + FT_UNUSED( module ); +#endif + + return ft_service_list_lookup( PSCMAPS_SERVICES_GET, service_id ); + } + +#endif /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + +#ifndef FT_CONFIG_OPTION_POSTSCRIPT_NAMES +#define PUT_PS_NAMES_SERVICE( a ) NULL +#else +#define PUT_PS_NAMES_SERVICE( a ) a +#endif + + FT_DEFINE_MODULE( + psnames_module_class, + + 0, /* this is not a font driver, nor a renderer */ + sizeof ( FT_ModuleRec ), + + "psnames", /* driver name */ + 0x10000L, /* driver version */ + 0x20000L, /* driver requires FreeType 2 or above */ + + PUT_PS_NAMES_SERVICE( + (void*)&PSCMAPS_INTERFACE_GET ), /* module specific interface */ + + (FT_Module_Constructor)NULL, /* module_init */ + (FT_Module_Destructor) NULL, /* module_done */ + (FT_Module_Requester) PUT_PS_NAMES_SERVICE( psnames_get_service ) /* get_interface */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psnames/psmodule.h b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/psmodule.h new file mode 100644 index 00000000000..3e94f8b437e --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/psmodule.h @@ -0,0 +1,38 @@ +/***************************************************************************/ +/* */ +/* psmodule.h */ +/* */ +/* High-level PSNames module interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSMODULE_H_ +#define PSMODULE_H_ + + +#include <ft2build.h> +#include FT_MODULE_H + + +FT_BEGIN_HEADER + + + FT_DECLARE_MODULE( psnames_module_class ) + + +FT_END_HEADER + +#endif /* PSMODULE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psnames/psnamerr.h b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/psnamerr.h new file mode 100644 index 00000000000..14eb76c99cf --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/psnamerr.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* psnamerr.h */ +/* */ +/* PS names module error codes (specification only). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the PS names module error enumeration */ + /* constants. */ + /* */ + /*************************************************************************/ + +#ifndef PSNAMERR_H_ +#define PSNAMERR_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX PSnames_Err_ +#define FT_ERR_BASE FT_Mod_Err_PSnames + +#include FT_ERRORS_H + +#endif /* PSNAMERR_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psnames/pspic.c b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/pspic.c new file mode 100644 index 00000000000..85a06f36037 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/pspic.c @@ -0,0 +1,97 @@ +/***************************************************************************/ +/* */ +/* pspic.c */ +/* */ +/* The FreeType position independent code services for psnames module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "pspic.h" +#include "psnamerr.h" + + +#ifdef FT_CONFIG_OPTION_PIC + + /* forward declaration of PIC init functions from psmodule.c */ + FT_Error + FT_Create_Class_pscmaps_services( FT_Library library, + FT_ServiceDescRec** output_class ); + void + FT_Destroy_Class_pscmaps_services( FT_Library library, + FT_ServiceDescRec* clazz ); + + void + FT_Init_Class_pscmaps_interface( FT_Library library, + FT_Service_PsCMapsRec* clazz ); + + + void + psnames_module_class_pic_free( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Memory memory = library->memory; + + + if ( pic_container->psnames ) + { + PSModulePIC* container = (PSModulePIC*)pic_container->psnames; + + + if ( container->pscmaps_services ) + FT_Destroy_Class_pscmaps_services( library, + container->pscmaps_services ); + container->pscmaps_services = NULL; + FT_FREE( container ); + pic_container->psnames = NULL; + } + } + + + FT_Error + psnames_module_class_pic_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Error error = FT_Err_Ok; + PSModulePIC* container = NULL; + FT_Memory memory = library->memory; + + + /* allocate pointer, clear and set global container pointer */ + if ( FT_ALLOC( container, sizeof ( *container ) ) ) + return error; + FT_MEM_SET( container, 0, sizeof ( *container ) ); + pic_container->psnames = container; + + /* initialize pointer table - */ + /* this is how the module usually expects this data */ + error = FT_Create_Class_pscmaps_services( + library, &container->pscmaps_services ); + if ( error ) + goto Exit; + FT_Init_Class_pscmaps_interface( library, + &container->pscmaps_interface ); + + Exit: + if ( error ) + psnames_module_class_pic_free( library ); + return error; + } + + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psnames/pspic.h b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/pspic.h new file mode 100644 index 00000000000..889780cc032 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/pspic.h @@ -0,0 +1,68 @@ +/***************************************************************************/ +/* */ +/* pspic.h */ +/* */ +/* The FreeType position independent code services for psnames module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PSPIC_H_ +#define PSPIC_H_ + + +#include FT_INTERNAL_PIC_H + + +#ifndef FT_CONFIG_OPTION_PIC + +#define PSCMAPS_SERVICES_GET pscmaps_services +#define PSCMAPS_INTERFACE_GET pscmaps_interface + +#else /* FT_CONFIG_OPTION_PIC */ + +#include FT_SERVICE_POSTSCRIPT_CMAPS_H + + +FT_BEGIN_HEADER + + typedef struct PSModulePIC_ + { + FT_ServiceDescRec* pscmaps_services; + FT_Service_PsCMapsRec pscmaps_interface; + + } PSModulePIC; + + +#define GET_PIC( lib ) \ + ( (PSModulePIC*)((lib)->pic_container.psnames) ) +#define PSCMAPS_SERVICES_GET ( GET_PIC( library )->pscmaps_services ) +#define PSCMAPS_INTERFACE_GET ( GET_PIC( library )->pscmaps_interface ) + + + /* see pspic.c for the implementation */ + void + psnames_module_class_pic_free( FT_Library library ); + + FT_Error + psnames_module_class_pic_init( FT_Library library ); + +FT_END_HEADER + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +#endif /* PSPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/psnames/pstables.h b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/pstables.h new file mode 100644 index 00000000000..79545ee0396 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/psnames/pstables.h @@ -0,0 +1,4238 @@ +/***************************************************************************/ +/* */ +/* pstables.h */ +/* */ +/* PostScript glyph names. */ +/* */ +/* Copyright 2005-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /* This file has been generated automatically -- do not edit! */ + + +#ifndef DEFINE_PS_TABLES_DATA +#ifdef __cplusplus + extern "C" +#else + extern +#endif +#endif + const char ft_standard_glyph_names[3696] +#ifdef DEFINE_PS_TABLES_DATA + = + { + '.','n','u','l','l', 0, + 'n','o','n','m','a','r','k','i','n','g','r','e','t','u','r','n', 0, + 'n','o','t','e','q','u','a','l', 0, + 'i','n','f','i','n','i','t','y', 0, + 'l','e','s','s','e','q','u','a','l', 0, + 'g','r','e','a','t','e','r','e','q','u','a','l', 0, + 'p','a','r','t','i','a','l','d','i','f','f', 0, + 's','u','m','m','a','t','i','o','n', 0, + 'p','r','o','d','u','c','t', 0, + 'p','i', 0, + 'i','n','t','e','g','r','a','l', 0, + 'O','m','e','g','a', 0, + 'r','a','d','i','c','a','l', 0, + 'a','p','p','r','o','x','e','q','u','a','l', 0, + 'D','e','l','t','a', 0, + 'n','o','n','b','r','e','a','k','i','n','g','s','p','a','c','e', 0, + 'l','o','z','e','n','g','e', 0, + 'a','p','p','l','e', 0, + 'f','r','a','n','c', 0, + 'G','b','r','e','v','e', 0, + 'g','b','r','e','v','e', 0, + 'I','d','o','t','a','c','c','e','n','t', 0, + 'S','c','e','d','i','l','l','a', 0, + 's','c','e','d','i','l','l','a', 0, + 'C','a','c','u','t','e', 0, + 'c','a','c','u','t','e', 0, + 'C','c','a','r','o','n', 0, + 'c','c','a','r','o','n', 0, + 'd','c','r','o','a','t', 0, + '.','n','o','t','d','e','f', 0, + 's','p','a','c','e', 0, + 'e','x','c','l','a','m', 0, + 'q','u','o','t','e','d','b','l', 0, + 'n','u','m','b','e','r','s','i','g','n', 0, + 'd','o','l','l','a','r', 0, + 'p','e','r','c','e','n','t', 0, + 'a','m','p','e','r','s','a','n','d', 0, + 'q','u','o','t','e','r','i','g','h','t', 0, + 'p','a','r','e','n','l','e','f','t', 0, + 'p','a','r','e','n','r','i','g','h','t', 0, + 'a','s','t','e','r','i','s','k', 0, + 'p','l','u','s', 0, + 'c','o','m','m','a', 0, + 'h','y','p','h','e','n', 0, + 'p','e','r','i','o','d', 0, + 's','l','a','s','h', 0, + 'z','e','r','o', 0, + 'o','n','e', 0, + 't','w','o', 0, + 't','h','r','e','e', 0, + 'f','o','u','r', 0, + 'f','i','v','e', 0, + 's','i','x', 0, + 's','e','v','e','n', 0, + 'e','i','g','h','t', 0, + 'n','i','n','e', 0, + 'c','o','l','o','n', 0, + 's','e','m','i','c','o','l','o','n', 0, + 'l','e','s','s', 0, + 'e','q','u','a','l', 0, + 'g','r','e','a','t','e','r', 0, + 'q','u','e','s','t','i','o','n', 0, + 'a','t', 0, + 'A', 0, + 'B', 0, + 'C', 0, + 'D', 0, + 'E', 0, + 'F', 0, + 'G', 0, + 'H', 0, + 'I', 0, + 'J', 0, + 'K', 0, + 'L', 0, + 'M', 0, + 'N', 0, + 'O', 0, + 'P', 0, + 'Q', 0, + 'R', 0, + 'S', 0, + 'T', 0, + 'U', 0, + 'V', 0, + 'W', 0, + 'X', 0, + 'Y', 0, + 'Z', 0, + 'b','r','a','c','k','e','t','l','e','f','t', 0, + 'b','a','c','k','s','l','a','s','h', 0, + 'b','r','a','c','k','e','t','r','i','g','h','t', 0, + 'a','s','c','i','i','c','i','r','c','u','m', 0, + 'u','n','d','e','r','s','c','o','r','e', 0, + 'q','u','o','t','e','l','e','f','t', 0, + 'a', 0, + 'b', 0, + 'c', 0, + 'd', 0, + 'e', 0, + 'f', 0, + 'g', 0, + 'h', 0, + 'i', 0, + 'j', 0, + 'k', 0, + 'l', 0, + 'm', 0, + 'n', 0, + 'o', 0, + 'p', 0, + 'q', 0, + 'r', 0, + 's', 0, + 't', 0, + 'u', 0, + 'v', 0, + 'w', 0, + 'x', 0, + 'y', 0, + 'z', 0, + 'b','r','a','c','e','l','e','f','t', 0, + 'b','a','r', 0, + 'b','r','a','c','e','r','i','g','h','t', 0, + 'a','s','c','i','i','t','i','l','d','e', 0, + 'e','x','c','l','a','m','d','o','w','n', 0, + 'c','e','n','t', 0, + 's','t','e','r','l','i','n','g', 0, + 'f','r','a','c','t','i','o','n', 0, + 'y','e','n', 0, + 'f','l','o','r','i','n', 0, + 's','e','c','t','i','o','n', 0, + 'c','u','r','r','e','n','c','y', 0, + 'q','u','o','t','e','s','i','n','g','l','e', 0, + 'q','u','o','t','e','d','b','l','l','e','f','t', 0, + 'g','u','i','l','l','e','m','o','t','l','e','f','t', 0, + 'g','u','i','l','s','i','n','g','l','l','e','f','t', 0, + 'g','u','i','l','s','i','n','g','l','r','i','g','h','t', 0, + 'f','i', 0, + 'f','l', 0, + 'e','n','d','a','s','h', 0, + 'd','a','g','g','e','r', 0, + 'd','a','g','g','e','r','d','b','l', 0, + 'p','e','r','i','o','d','c','e','n','t','e','r','e','d', 0, + 'p','a','r','a','g','r','a','p','h', 0, + 'b','u','l','l','e','t', 0, + 'q','u','o','t','e','s','i','n','g','l','b','a','s','e', 0, + 'q','u','o','t','e','d','b','l','b','a','s','e', 0, + 'q','u','o','t','e','d','b','l','r','i','g','h','t', 0, + 'g','u','i','l','l','e','m','o','t','r','i','g','h','t', 0, + 'e','l','l','i','p','s','i','s', 0, + 'p','e','r','t','h','o','u','s','a','n','d', 0, + 'q','u','e','s','t','i','o','n','d','o','w','n', 0, + 'g','r','a','v','e', 0, + 'a','c','u','t','e', 0, + 'c','i','r','c','u','m','f','l','e','x', 0, + 't','i','l','d','e', 0, + 'm','a','c','r','o','n', 0, + 'b','r','e','v','e', 0, + 'd','o','t','a','c','c','e','n','t', 0, + 'd','i','e','r','e','s','i','s', 0, + 'r','i','n','g', 0, + 'c','e','d','i','l','l','a', 0, + 'h','u','n','g','a','r','u','m','l','a','u','t', 0, + 'o','g','o','n','e','k', 0, + 'c','a','r','o','n', 0, + 'e','m','d','a','s','h', 0, + 'A','E', 0, + 'o','r','d','f','e','m','i','n','i','n','e', 0, + 'L','s','l','a','s','h', 0, + 'O','s','l','a','s','h', 0, + 'O','E', 0, + 'o','r','d','m','a','s','c','u','l','i','n','e', 0, + 'a','e', 0, + 'd','o','t','l','e','s','s','i', 0, + 'l','s','l','a','s','h', 0, + 'o','s','l','a','s','h', 0, + 'o','e', 0, + 'g','e','r','m','a','n','d','b','l','s', 0, + 'o','n','e','s','u','p','e','r','i','o','r', 0, + 'l','o','g','i','c','a','l','n','o','t', 0, + 'm','u', 0, + 't','r','a','d','e','m','a','r','k', 0, + 'E','t','h', 0, + 'o','n','e','h','a','l','f', 0, + 'p','l','u','s','m','i','n','u','s', 0, + 'T','h','o','r','n', 0, + 'o','n','e','q','u','a','r','t','e','r', 0, + 'd','i','v','i','d','e', 0, + 'b','r','o','k','e','n','b','a','r', 0, + 'd','e','g','r','e','e', 0, + 't','h','o','r','n', 0, + 't','h','r','e','e','q','u','a','r','t','e','r','s', 0, + 't','w','o','s','u','p','e','r','i','o','r', 0, + 'r','e','g','i','s','t','e','r','e','d', 0, + 'm','i','n','u','s', 0, + 'e','t','h', 0, + 'm','u','l','t','i','p','l','y', 0, + 't','h','r','e','e','s','u','p','e','r','i','o','r', 0, + 'c','o','p','y','r','i','g','h','t', 0, + 'A','a','c','u','t','e', 0, + 'A','c','i','r','c','u','m','f','l','e','x', 0, + 'A','d','i','e','r','e','s','i','s', 0, + 'A','g','r','a','v','e', 0, + 'A','r','i','n','g', 0, + 'A','t','i','l','d','e', 0, + 'C','c','e','d','i','l','l','a', 0, + 'E','a','c','u','t','e', 0, + 'E','c','i','r','c','u','m','f','l','e','x', 0, + 'E','d','i','e','r','e','s','i','s', 0, + 'E','g','r','a','v','e', 0, + 'I','a','c','u','t','e', 0, + 'I','c','i','r','c','u','m','f','l','e','x', 0, + 'I','d','i','e','r','e','s','i','s', 0, + 'I','g','r','a','v','e', 0, + 'N','t','i','l','d','e', 0, + 'O','a','c','u','t','e', 0, 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0, + 't','w','o','d','o','t','e','n','l','e','a','d','e','r', 0, + 'o','n','e','d','o','t','e','n','l','e','a','d','e','r', 0, + 'z','e','r','o','o','l','d','s','t','y','l','e', 0, + 'o','n','e','o','l','d','s','t','y','l','e', 0, + 't','w','o','o','l','d','s','t','y','l','e', 0, + 't','h','r','e','e','o','l','d','s','t','y','l','e', 0, + 'f','o','u','r','o','l','d','s','t','y','l','e', 0, + 'f','i','v','e','o','l','d','s','t','y','l','e', 0, + 's','i','x','o','l','d','s','t','y','l','e', 0, + 's','e','v','e','n','o','l','d','s','t','y','l','e', 0, + 'e','i','g','h','t','o','l','d','s','t','y','l','e', 0, + 'n','i','n','e','o','l','d','s','t','y','l','e', 0, + 'c','o','m','m','a','s','u','p','e','r','i','o','r', 0, + 't','h','r','e','e','q','u','a','r','t','e','r','s','e','m','d','a','s','h', 0, + 'p','e','r','i','o','d','s','u','p','e','r','i','o','r', 0, + 'q','u','e','s','t','i','o','n','s','m','a','l','l', 0, + 'a','s','u','p','e','r','i','o','r', 0, + 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'c','e','n','t','i','n','f','e','r','i','o','r', 0, + 'd','o','l','l','a','r','i','n','f','e','r','i','o','r', 0, + 'p','e','r','i','o','d','i','n','f','e','r','i','o','r', 0, + 'c','o','m','m','a','i','n','f','e','r','i','o','r', 0, + 'A','g','r','a','v','e','s','m','a','l','l', 0, + 'A','a','c','u','t','e','s','m','a','l','l', 0, + 'A','c','i','r','c','u','m','f','l','e','x','s','m','a','l','l', 0, + 'A','t','i','l','d','e','s','m','a','l','l', 0, + 'A','d','i','e','r','e','s','i','s','s','m','a','l','l', 0, + 'A','r','i','n','g','s','m','a','l','l', 0, + 'A','E','s','m','a','l','l', 0, + 'C','c','e','d','i','l','l','a','s','m','a','l','l', 0, + 'E','g','r','a','v','e','s','m','a','l','l', 0, + 'E','a','c','u','t','e','s','m','a','l','l', 0, + 'E','c','i','r','c','u','m','f','l','e','x','s','m','a','l','l', 0, + 'E','d','i','e','r','e','s','i','s','s','m','a','l','l', 0, + 'I','g','r','a','v','e','s','m','a','l','l', 0, + 'I','a','c','u','t','e','s','m','a','l','l', 0, + 'I','c','i','r','c','u','m','f','l','e','x','s','m','a','l','l', 0, + 'I','d','i','e','r','e','s','i','s','s','m','a','l','l', 0, + 'E','t','h','s','m','a','l','l', 0, + 'N','t','i','l','d','e','s','m','a','l','l', 0, + 'O','g','r','a','v','e','s','m','a','l','l', 0, + 'O','a','c','u','t','e','s','m','a','l','l', 0, + 'O','c','i','r','c','u','m','f','l','e','x','s','m','a','l','l', 0, + 'O','t','i','l','d','e','s','m','a','l','l', 0, + 'O','d','i','e','r','e','s','i','s','s','m','a','l','l', 0, + 'O','E','s','m','a','l','l', 0, + 'O','s','l','a','s','h','s','m','a','l','l', 0, + 'U','g','r','a','v','e','s','m','a','l','l', 0, + 'U','a','c','u','t','e','s','m','a','l','l', 0, + 'U','c','i','r','c','u','m','f','l','e','x','s','m','a','l','l', 0, + 'U','d','i','e','r','e','s','i','s','s','m','a','l','l', 0, + 'Y','a','c','u','t','e','s','m','a','l','l', 0, + 'T','h','o','r','n','s','m','a','l','l', 0, + 'Y','d','i','e','r','e','s','i','s','s','m','a','l','l', 0, + '0','0','1','.','0','0','0', 0, + '0','0','1','.','0','0','1', 0, + '0','0','1','.','0','0','2', 0, + '0','0','1','.','0','0','3', 0, + 'B','l','a','c','k', 0, + 'B','o','l','d', 0, + 'B','o','o','k', 0, + 'L','i','g','h','t', 0, + 'M','e','d','i','u','m', 0, + 'R','e','g','u','l','a','r', 0, + 'R','o','m','a','n', 0, + 'S','e','m','i','b','o','l','d', 0, + } +#endif /* DEFINE_PS_TABLES_DATA */ + ; + + +#define FT_NUM_MAC_NAMES 258 + + /* Values are offsets into the `ft_standard_glyph_names' table */ + +#ifndef DEFINE_PS_TABLES_DATA +#ifdef __cplusplus + extern "C" +#else + extern +#endif +#endif + const short ft_mac_names[FT_NUM_MAC_NAMES] +#ifdef DEFINE_PS_TABLES_DATA + = + { + 253, 0, 6, 261, 267, 274, 283, 294, 301, 309, 758, 330, 340, 351, + 360, 365, 371, 378, 385, 391, 396, 400, 404, 410, 415, 420, 424, 430, + 436, 441, 447, 457, 462, 468, 476, 485, 488, 490, 492, 494, 496, 498, + 500, 502, 504, 506, 508, 510, 512, 514, 516, 518, 520, 522, 524, 526, + 528, 530, 532, 534, 536, 538, 540, 552, 562, 575, 587, 979, 608, 610, + 612, 614, 616, 618, 620, 622, 624, 626, 628, 630, 632, 634, 636, 638, + 640, 642, 644, 646, 648, 650, 652, 654, 656, 658, 660, 670, 674, 685, + 1375,1392,1405,1414,1486,1512,1562,1603,1632,1610,1622,1645,1639,1652, + 1661,1690,1668,1680,1697,1726,1704,1716,1733,1740,1769,1747,1759,1776, + 1790,1819,1797,1809, 839,1263, 707, 712, 741, 881, 871,1160,1302,1346, + 1197, 985,1031, 23,1086,1108, 32,1219, 41, 51, 730,1194, 64, 76, + 86, 94, 97,1089,1118, 106,1131,1150, 966, 696,1183, 112, 734, 120, + 132, 783, 930, 945, 138,1385,1398,1529,1115,1157, 832,1079, 770, 916, + 598, 319,1246, 155,1833,1586, 721, 749, 797, 811, 826, 829, 846, 856, + 888, 903, 954,1363,1421,1356,1433,1443,1450,1457,1469,1479,1493,1500, + 163,1522,1543,1550,1572,1134, 991,1002,1008,1015,1021,1040,1045,1053, + 1066,1073,1101,1143,1536,1783,1596,1843,1253,1207,1319,1579,1826,1229, + 1270,1313,1323,1171,1290,1332,1211,1235,1276, 169, 175, 182, 189, 200, + 209, 218, 225, 232, 239, 246 + } +#endif /* DEFINE_PS_TABLES_DATA */ + ; + + +#define FT_NUM_SID_NAMES 391 + + /* Values are offsets into the `ft_standard_glyph_names' table */ + +#ifndef DEFINE_PS_TABLES_DATA +#ifdef __cplusplus + extern "C" +#else + extern +#endif +#endif + const short ft_sid_names[FT_NUM_SID_NAMES] +#ifdef DEFINE_PS_TABLES_DATA + = + { + 253, 261, 267, 274, 283, 294, 301, 309, 319, 330, 340, 351, 360, 365, + 371, 378, 385, 391, 396, 400, 404, 410, 415, 420, 424, 430, 436, 441, + 447, 457, 462, 468, 476, 485, 488, 490, 492, 494, 496, 498, 500, 502, + 504, 506, 508, 510, 512, 514, 516, 518, 520, 522, 524, 526, 528, 530, + 532, 534, 536, 538, 540, 552, 562, 575, 587, 598, 608, 610, 612, 614, + 616, 618, 620, 622, 624, 626, 628, 630, 632, 634, 636, 638, 640, 642, + 644, 646, 648, 650, 652, 654, 656, 658, 660, 670, 674, 685, 696, 707, + 712, 721, 730, 734, 741, 749, 758, 770, 783, 797, 811, 826, 829, 832, + 839, 846, 856, 871, 881, 888, 903, 916, 930, 945, 954, 966, 979, 985, + 991,1002,1008,1015,1021,1031,1040,1045,1053,1066,1073,1079,1086,1089, + 1101,1108,1115,1118,1131,1134,1143,1150,1157,1160,1171,1183,1194,1197, + 1207,1211,1219,1229,1235,1246,1253,1263,1270,1276,1290,1302,1313,1319, + 1323,1332,1346,1356,1363,1375,1385,1392,1398,1405,1414,1421,1433,1443, + 1450,1457,1469,1479,1486,1493,1500,1512,1522,1529,1536,1543,1550,1562, + 1572,1579,1586,1596,1603,1610,1622,1632,1639,1645,1652,1661,1668,1680, + 1690,1697,1704,1716,1726,1733,1740,1747,1759,1769,1776,1783,1790,1797, + 1809,1819,1826,1833,1843,1850,1862,1880,1895,1910,1925,1936,1954,1973, + 1988,2003,2016,2028,2040,2054,2067,2080,2092,2106,2120,2133,2147,2167, + 2182,2196,2206,2216,2229,2239,2249,2259,2269,2279,2289,2299,2309,2319, + 2329,2332,2336,2340,2358,2377,2393,2408,2419,2426,2433,2440,2447,2454, + 2461,2468,2475,2482,2489,2496,2503,2510,2517,2524,2531,2538,2545,2552, + 2559,2566,2573,2580,2587,2594,2601,2615,2625,2632,2643,2659,2672,2684, + 2696,2708,2722,2733,2744,2759,2771,2782,2797,2809,2819,2832,2850,2860, + 2873,2885,2898,2907,2917,2930,2943,2956,2968,2982,2996,3009,3022,3034, + 3046,3060,3073,3086,3098,3112,3126,3139,3152,3167,3182,3196,3208,3220, + 3237,3249,3264,3275,3283,3297,3309,3321,3338,3353,3365,3377,3394,3409, + 3418,3430,3442,3454,3471,3483,3498,3506,3518,3530,3542,3559,3574,3586, + 3597,3612,3620,3628,3636,3644,3650,3655,3660,3666,3673,3681,3687 + } +#endif /* DEFINE_PS_TABLES_DATA */ + ; + + + /* the following are indices into the SID name table */ +#ifndef DEFINE_PS_TABLES_DATA +#ifdef __cplusplus + extern "C" +#else + extern +#endif +#endif + const unsigned short t1_standard_encoding[256] +#ifdef DEFINE_PS_TABLES_DATA + = + { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, + 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, + 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110, + 0,111,112,113,114, 0,115,116,117,118,119,120,121,122, 0,123, + 0,124,125,126,127,128,129,130,131, 0,132,133, 0,134,135,136, + 137, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0,138, 0,139, 0, 0, 0, 0,140,141,142,143, 0, 0, 0, 0, + 0,144, 0, 0, 0,145, 0, 0,146,147,148,149, 0, 0, 0, 0 + } +#endif /* DEFINE_PS_TABLES_DATA */ + ; + + + /* the following are indices into the SID name table */ +#ifndef DEFINE_PS_TABLES_DATA +#ifdef __cplusplus + extern "C" +#else + extern +#endif +#endif + const unsigned short t1_expert_encoding[256] +#ifdef DEFINE_PS_TABLES_DATA + = + { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1,229,230, 0,231,232,233,234,235,236,237,238, 13, 14, 15, 99, + 239,240,241,242,243,244,245,246,247,248, 27, 28,249,250,251,252, + 0,253,254,255,256,257, 0, 0, 0,258, 0, 0,259,260,261,262, + 0, 0,263,264,265, 0,266,109,110,267,268,269, 0,270,271,272, + 273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288, + 289,290,291,292,293,294,295,296,297,298,299,300,301,302,303, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0,304,305,306, 0, 0,307,308,309,310,311, 0,312, 0, 0,313, + 0, 0,314,315, 0, 0,316,317,318, 0, 0, 0,158,155,163,319, + 320,321,322,323,324,325, 0, 0,326,150,164,169,327,328,329,330, + 331,332,333,334,335,336,337,338,339,340,341,342,343,344,345,346, + 347,348,349,350,351,352,353,354,355,356,357,358,359,360,361,362, + 363,364,365,366,367,368,369,370,371,372,373,374,375,376,377,378 + } +#endif /* DEFINE_PS_TABLES_DATA */ + ; + + + /* + * This table is a compressed version of the Adobe Glyph List (AGL), + * optimized for efficient searching. It has been generated by the + * `glnames.py' python script located in the `src/tools' directory. + * + * The lookup function to get the Unicode value for a given string + * is defined below the table. + */ + +#ifdef FT_CONFIG_OPTION_ADOBE_GLYPH_LIST + +#ifndef DEFINE_PS_TABLES_DATA +#ifdef __cplusplus + extern "C" +#else + extern +#endif +#endif + const unsigned char ft_adobe_glyph_list[55997L] +#ifdef DEFINE_PS_TABLES_DATA + = + { + 0, 52, 0,106, 2,167, 3, 63, 4,220, 6,125, 9,143, 10, 23, + 11,137, 12,199, 14,246, 15, 87, 16,233, 17,219, 18,104, 19, 88, + 22,110, 23, 32, 23, 71, 24, 77, 27,156, 29, 73, 31,247, 32,107, + 32,222, 33, 55, 34,154, 35,218, 58, 10, 64,122, 72,188, 80,109, + 88,104, 93, 61, 98,168,106, 91,114,111,115,237,122,180,127,255, + 135,164,143,132,149,213,158,108,161,115,168,175,183,147,197,199, + 202, 25,204,166,208,209,209, 81,215, 26, 65,143, 0, 65, 0,140, + 0,175, 0,193, 1, 15, 1,147, 1,233, 1,251, 2, 7, 2, 40, + 2, 57, 2, 82, 2, 91, 2,128, 2,136, 2,154, 69,131, 0,198, + 0,150, 0,158, 0,167,225,227,245,244,101,128, 1,252,237,225, + 227,242,239,110,128, 1,226,243,237,225,236,108,128,247,230,225, + 227,245,244,101,129, 0,193, 0,185,243,237,225,236,108,128,247, + 225,226,242,229,246,101,134, 1, 2, 0,213, 0,221, 0,232, 0, + 243, 0,251, 1, 7,225,227,245,244,101,128, 30,174,227,249,242, + 233,236,236,233, 99,128, 4,208,228,239,244,226,229,236,239,119, + 128, 30,182,231,242,225,246,101,128, 30,176,232,239,239,235,225, + 226,239,246,101,128, 30,178,244,233,236,228,101,128, 30,180, 99, + 4, 1, 25, 1, 32, 1,121, 1,137,225,242,239,110,128, 1,205, + 233,242, 99, 2, 1, 40, 1, 45,236,101,128, 36,182,245,237,230, + 236,229,120,134, 0,194, 1, 66, 1, 74, 1, 85, 1, 93, 1,105, + 1,113,225,227,245,244,101,128, 30,164,228,239,244,226,229,236, + 239,119,128, 30,172,231,242,225,246,101,128, 30,166,232,239,239, + 235,225,226,239,246,101,128, 30,168,243,237,225,236,108,128,247, + 226,244,233,236,228,101,128, 30,170,245,244,101,129,246,201, 1, + 129,243,237,225,236,108,128,247,180,249,242,233,236,236,233, 99, + 128, 4, 16,100, 3, 1,155, 1,165, 1,209,226,236,231,242,225, + 246,101,128, 2, 0,233,229,242,229,243,233,115,131, 0,196, 1, + 181, 1,192, 1,201,227,249,242,233,236,236,233, 99,128, 4,210, + 237,225,227,242,239,110,128, 1,222,243,237,225,236,108,128,247, + 228,239,116, 2, 1,216, 1,224,226,229,236,239,119,128, 30,160, + 237,225,227,242,239,110,128, 1,224,231,242,225,246,101,129, 0, + 192, 1,243,243,237,225,236,108,128,247,224,232,239,239,235,225, + 226,239,246,101,128, 30,162,105, 2, 2, 13, 2, 25,229,227,249, + 242,233,236,236,233, 99,128, 4,212,238,246,229,242,244,229,228, + 226,242,229,246,101,128, 2, 2,236,240,232, 97,129, 3,145, 2, + 49,244,239,238,239,115,128, 3,134,109, 2, 2, 63, 2, 71,225, + 227,242,239,110,128, 1, 0,239,238,239,243,240,225,227,101,128, + 255, 33,239,231,239,238,229,107,128, 1, 4,242,233,238,103,131, + 0,197, 2,104, 2,112, 2,120,225,227,245,244,101,128, 1,250, + 226,229,236,239,119,128, 30, 0,243,237,225,236,108,128,247,229, + 243,237,225,236,108,128,247, 97,244,233,236,228,101,129, 0,195, + 2,146,243,237,225,236,108,128,247,227,249,226,225,242,237,229, + 238,233,225,110,128, 5, 49, 66,137, 0, 66, 2,189, 2,198, 2, + 223, 3, 3, 3, 10, 3, 22, 3, 34, 3, 46, 3, 54,227,233,242, + 227,236,101,128, 36,183,228,239,116, 2, 2,206, 2,215,225,227, + 227,229,238,116,128, 30, 2,226,229,236,239,119,128, 30, 4,101, + 3, 2,231, 2,242, 2,254,227,249,242,233,236,236,233, 99,128, + 4, 17,238,225,242,237,229,238,233,225,110,128, 5, 50,244, 97, + 128, 3,146,232,239,239,107,128, 1,129,236,233,238,229,226,229, + 236,239,119,128, 30, 6,237,239,238,239,243,240,225,227,101,128, + 255, 34,242,229,246,229,243,237,225,236,108,128,246,244,243,237, + 225,236,108,128,247, 98,244,239,240,226,225,114,128, 1,130, 67, + 137, 0, 67, 3, 85, 3,127, 3,193, 3,210, 3,224, 4,171, 4, + 188, 4,200, 4,212, 97, 3, 3, 93, 3,104, 3,111,225,242,237, + 229,238,233,225,110,128, 5, 62,227,245,244,101,128, 1, 6,242, + 239,110,129,246,202, 3,119,243,237,225,236,108,128,246,245, 99, + 3, 3,135, 3,142, 3,171,225,242,239,110,128, 1, 12,229,228, + 233,236,236, 97,130, 0,199, 3,155, 3,163,225,227,245,244,101, + 128, 30, 8,243,237,225,236,108,128,247,231,233,242, 99, 2, 3, + 179, 3,184,236,101,128, 36,184,245,237,230,236,229,120,128, 1, + 8,228,239,116,129, 1, 10, 3,201,225,227,227,229,238,116,128, + 1, 10,229,228,233,236,236,225,243,237,225,236,108,128,247,184, + 104, 4, 3,234, 3,246, 4,161, 4,165,225,225,242,237,229,238, + 233,225,110,128, 5, 73,101, 6, 4, 4, 4, 24, 4, 35, 4,103, + 4,115, 4,136,225,226,235,232,225,243,233,225,238,227,249,242, + 233,236,236,233, 99,128, 4,188,227,249,242,233,236,236,233, 99, + 128, 4, 39,100, 2, 4, 41, 4, 85,229,243,227,229,238,228,229, + 114, 2, 4, 54, 4, 74,225,226,235,232,225,243,233,225,238,227, + 249,242,233,236,236,233, 99,128, 4,190,227,249,242,233,236,236, + 233, 99,128, 4,182,233,229,242,229,243,233,243,227,249,242,233, + 236,236,233, 99,128, 4,244,232,225,242,237,229,238,233,225,110, + 128, 5, 67,235,232,225,235,225,243,243,233,225,238,227,249,242, + 233,236,236,233, 99,128, 4,203,246,229,242,244,233,227,225,236, + 243,244,242,239,235,229,227,249,242,233,236,236,233, 99,128, 4, + 184,105,128, 3,167,239,239,107,128, 1,135,233,242,227,245,237, + 230,236,229,248,243,237,225,236,108,128,246,246,237,239,238,239, + 243,240,225,227,101,128,255, 35,239,225,242,237,229,238,233,225, + 110,128, 5, 81,243,237,225,236,108,128,247, 99, 68,142, 0, 68, + 4,252, 5, 10, 5, 36, 5, 96, 5,121, 5,166, 5,173, 5,231, + 5,244, 6, 0, 6, 12, 6, 28, 6, 48, 6, 57, 90,129, 1,241, + 5, 2,227,225,242,239,110,128, 1,196, 97, 2, 5, 16, 5, 27, + 225,242,237,229,238,233,225,110,128, 5, 52,230,242,233,227,225, + 110,128, 1,137, 99, 4, 5, 46, 5, 53, 5, 62, 5, 89,225,242, + 239,110,128, 1, 14,229,228,233,236,236, 97,128, 30, 16,233,242, + 99, 2, 5, 70, 5, 75,236,101,128, 36,185,245,237,230,236,229, + 248,226,229,236,239,119,128, 30, 18,242,239,225,116,128, 1, 16, + 228,239,116, 2, 5,104, 5,113,225,227,227,229,238,116,128, 30, + 10,226,229,236,239,119,128, 30, 12,101, 3, 5,129, 5,140, 5, + 150,227,249,242,233,236,236,233, 99,128, 4, 20,233,227,239,240, + 244,233, 99,128, 3,238,236,244, 97,129, 34, 6, 5,158,231,242, + 229,229,107,128, 3,148,232,239,239,107,128, 1,138,105, 2, 5, + 179, 5,218,229,242,229,243,233,115,131,246,203, 5,194, 5,202, + 5,210,193,227,245,244,101,128,246,204,199,242,225,246,101,128, + 246,205,243,237,225,236,108,128,247,168,231,225,237,237,225,231, + 242,229,229,107,128, 3,220,234,229,227,249,242,233,236,236,233, + 99,128, 4, 2,236,233,238,229,226,229,236,239,119,128, 30, 14, + 237,239,238,239,243,240,225,227,101,128,255, 36,239,244,225,227, + 227,229,238,244,243,237,225,236,108,128,246,247,115, 2, 6, 34, + 6, 41,236,225,243,104,128, 1, 16,237,225,236,108,128,247,100, + 244,239,240,226,225,114,128, 1,139,122,131, 1,242, 6, 67, 6, + 75, 6,112,227,225,242,239,110,128, 1,197,101, 2, 6, 81, 6, + 101,225,226,235,232,225,243,233,225,238,227,249,242,233,236,236, + 233, 99,128, 4,224,227,249,242,233,236,236,233, 99,128, 4, 5, + 232,229,227,249,242,233,236,236,233, 99,128, 4, 15, 69,146, 0, + 69, 6,165, 6,183, 6,191, 7, 89, 7,153, 7,165, 7,183, 7, + 211, 8, 7, 8, 36, 8, 94, 8,169, 8,189, 8,208, 8,248, 9, + 44, 9,109, 9,115,225,227,245,244,101,129, 0,201, 6,175,243, + 237,225,236,108,128,247,233,226,242,229,246,101,128, 1, 20, 99, + 5, 6,203, 6,210, 6,224, 6,236, 7, 79,225,242,239,110,128, + 1, 26,229,228,233,236,236,225,226,242,229,246,101,128, 30, 28, + 232,225,242,237,229,238,233,225,110,128, 5, 53,233,242, 99, 2, + 6,244, 6,249,236,101,128, 36,186,245,237,230,236,229,120,135, + 0,202, 7, 16, 7, 24, 7, 32, 7, 43, 7, 51, 7, 63, 7, 71, + 225,227,245,244,101,128, 30,190,226,229,236,239,119,128, 30, 24, + 228,239,244,226,229,236,239,119,128, 30,198,231,242,225,246,101, + 128, 30,192,232,239,239,235,225,226,239,246,101,128, 30,194,243, + 237,225,236,108,128,247,234,244,233,236,228,101,128, 30,196,249, + 242,233,236,236,233, 99,128, 4, 4,100, 3, 7, 97, 7,107, 7, + 127,226,236,231,242,225,246,101,128, 2, 4,233,229,242,229,243, + 233,115,129, 0,203, 7,119,243,237,225,236,108,128,247,235,239, + 116,130, 1, 22, 7,136, 7,145,225,227,227,229,238,116,128, 1, + 22,226,229,236,239,119,128, 30,184,230,227,249,242,233,236,236, + 233, 99,128, 4, 36,231,242,225,246,101,129, 0,200, 7,175,243, + 237,225,236,108,128,247,232,104, 2, 7,189, 7,200,225,242,237, + 229,238,233,225,110,128, 5, 55,239,239,235,225,226,239,246,101, + 128, 30,186,105, 3, 7,219, 7,230, 7,245,231,232,244,242,239, + 237,225,110,128, 33,103,238,246,229,242,244,229,228,226,242,229, + 246,101,128, 2, 6,239,244,233,230,233,229,228,227,249,242,233, + 236,236,233, 99,128, 4,100,108, 2, 8, 13, 8, 24,227,249,242, + 233,236,236,233, 99,128, 4, 27,229,246,229,238,242,239,237,225, + 110,128, 33,106,109, 3, 8, 44, 8, 72, 8, 83,225,227,242,239, + 110,130, 1, 18, 8, 56, 8, 64,225,227,245,244,101,128, 30, 22, + 231,242,225,246,101,128, 30, 20,227,249,242,233,236,236,233, 99, + 128, 4, 28,239,238,239,243,240,225,227,101,128,255, 37,110, 4, + 8,104, 8,115, 8,135, 8,154,227,249,242,233,236,236,233, 99, + 128, 4, 29,228,229,243,227,229,238,228,229,242,227,249,242,233, + 236,236,233, 99,128, 4,162,103,129, 1, 74, 8,141,232,229,227, + 249,242,233,236,236,233, 99,128, 4,164,232,239,239,235,227,249, + 242,233,236,236,233, 99,128, 4,199,111, 2, 8,175, 8,183,231, + 239,238,229,107,128, 1, 24,240,229,110,128, 1,144,240,243,233, + 236,239,110,129, 3,149, 8,200,244,239,238,239,115,128, 3,136, + 114, 2, 8,214, 8,225,227,249,242,233,236,236,233, 99,128, 4, + 32,229,246,229,242,243,229,100,129, 1,142, 8,237,227,249,242, + 233,236,236,233, 99,128, 4, 45,115, 4, 9, 2, 9, 13, 9, 33, + 9, 37,227,249,242,233,236,236,233, 99,128, 4, 33,228,229,243, + 227,229,238,228,229,242,227,249,242,233,236,236,233, 99,128, 4, + 170,104,128, 1,169,237,225,236,108,128,247,101,116, 3, 9, 52, + 9, 78, 9, 92, 97,130, 3,151, 9, 60, 9, 70,242,237,229,238, + 233,225,110,128, 5, 56,244,239,238,239,115,128, 3,137,104,129, + 0,208, 9, 84,243,237,225,236,108,128,247,240,233,236,228,101, + 129, 30,188, 9,101,226,229,236,239,119,128, 30, 26,245,242,111, + 128, 32,172,250,104,130, 1,183, 9,124, 9,132,227,225,242,239, + 110,128, 1,238,242,229,246,229,242,243,229,100,128, 1,184, 70, + 136, 0, 70, 9,163, 9,172, 9,184, 9,212, 9,219, 9,248, 10, + 4, 10, 15,227,233,242,227,236,101,128, 36,187,228,239,244,225, + 227,227,229,238,116,128, 30, 30,101, 2, 9,190, 9,202,232,225, + 242,237,229,238,233,225,110,128, 5, 86,233,227,239,240,244,233, + 99,128, 3,228,232,239,239,107,128, 1,145,105, 2, 9,225, 9, + 238,244,225,227,249,242,233,236,236,233, 99,128, 4,114,246,229, + 242,239,237,225,110,128, 33,100,237,239,238,239,243,240,225,227, + 101,128,255, 38,239,245,242,242,239,237,225,110,128, 33, 99,243, + 237,225,236,108,128,247,102, 71,140, 0, 71, 10, 51, 10, 61, 10, + 107, 10,115, 10,176, 10,193, 10,205, 11, 39, 11, 52, 11, 65, 11, + 90, 11,107,194,243,241,245,225,242,101,128, 51,135, 97, 3, 10, + 69, 10, 76, 10, 94,227,245,244,101,128, 1,244,237,237, 97,129, + 3,147, 10, 84,225,230,242,233,227,225,110,128, 1,148,238,231, + 233,225,227,239,240,244,233, 99,128, 3,234,226,242,229,246,101, + 128, 1, 30, 99, 4, 10,125, 10,132, 10,141, 10,163,225,242,239, + 110,128, 1,230,229,228,233,236,236, 97,128, 1, 34,233,242, 99, + 2, 10,149, 10,154,236,101,128, 36,188,245,237,230,236,229,120, + 128, 1, 28,239,237,237,225,225,227,227,229,238,116,128, 1, 34, + 228,239,116,129, 1, 32, 10,184,225,227,227,229,238,116,128, 1, + 32,229,227,249,242,233,236,236,233, 99,128, 4, 19,104, 3, 10, + 213, 10,226, 11, 33,225,228,225,242,237,229,238,233,225,110,128, + 5, 66,101, 3, 10,234, 10,255, 11, 16,237,233,228,228,236,229, + 232,239,239,235,227,249,242,233,236,236,233, 99,128, 4,148,243, + 244,242,239,235,229,227,249,242,233,236,236,233, 99,128, 4,146, + 245,240,244,245,242,238,227,249,242,233,236,236,233, 99,128, 4, + 144,239,239,107,128, 1,147,233,237,225,242,237,229,238,233,225, + 110,128, 5, 51,234,229,227,249,242,233,236,236,233, 99,128, 4, + 3,109, 2, 11, 71, 11, 79,225,227,242,239,110,128, 30, 32,239, + 238,239,243,240,225,227,101,128,255, 39,242,225,246,101,129,246, + 206, 11, 99,243,237,225,236,108,128,247, 96,115, 2, 11,113, 11, + 129,237,225,236,108,129,247,103, 11,122,232,239,239,107,128, 2, + 155,244,242,239,235,101,128, 1,228, 72,140, 0, 72, 11,165, 11, + 190, 11,198, 11,208, 12, 17, 12, 40, 12, 77, 12,117, 12,129, 12, + 157, 12,165, 12,189,177,184, 53, 3, 11,175, 11,180, 11,185,179, + 51,128, 37,207,180, 51,128, 37,170,181, 49,128, 37,171,178,178, + 176,183, 51,128, 37,161,208,243,241,245,225,242,101,128, 51,203, + 97, 3, 11,216, 11,236, 12, 0,225,226,235,232,225,243,233,225, + 238,227,249,242,233,236,236,233, 99,128, 4,168,228,229,243,227, + 229,238,228,229,242,227,249,242,233,236,236,233, 99,128, 4,178, + 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235,239,242,229,225,110,128, 49, 82,231,117, 2,209,192,209,201, + 234,225,242,225,244,105,128, 10,175,242,237,245,235,232,105,128, + 10, 47,232,233,242,225,231,225,238, 97,128, 48,132,107, 2,209, + 227,209,251,225,244,225,235,225,238, 97,129, 48,228,209,239,232, + 225,236,230,247,233,228,244,104,128,255,148,239,242,229,225,110, + 128, 49, 81,237,225,235,235,225,238,244,232,225,105,128, 14, 78, + 243,237,225,236,108, 2,210, 26,210, 37,232,233,242,225,231,225, + 238, 97,128, 48,131,235,225,244,225,235,225,238, 97,129, 48,227, + 210, 50,232,225,236,230,247,233,228,244,104,128,255,108,244,227, + 249,242,233,236,236,233, 99,128, 4, 99,227,233,242, 99, 2,210, + 83,210, 88,236,101,128, 36,232,245,237,230,236,229,120,128, 1, + 119,100, 2,210,103,210,113,233,229,242,229,243,233,115,128, 0, + 255,239,116, 2,210,120,210,129,225,227,227,229,238,116,128, 30, + 143,226,229,236,239,119,128, 30,245,101, 7,210,153,211,161,211, + 170,211,188,211,220,212, 40,212, 91,104, 8,210,171,210,180,210, + 214,210,228,211, 45,211, 61,211,120,211,138,225,242,225,226,233, + 99,128, 6, 74,226,225,242,242,229,101, 2,210,191,210,200,225, + 242,225,226,233, 99,128, 6,210,230,233,238,225,236,225,242,225, + 226,233, 99,128,251,175,230,233,238,225,236,225,242,225,226,233, + 99,128,254,242,232,225,237,250,225,225,226,239,246,101, 4,210, + 247,211, 0,211, 14,211, 30,225,242,225,226,233, 99,128, 6, 38, + 230,233,238,225,236,225,242,225,226,233, 99,128,254,138,233,238, + 233,244,233,225,236,225,242,225,226,233, 99,128,254,139,237,229, + 228,233,225,236,225,242,225,226,233, 99,128,254,140,233,238,233, + 244,233,225,236,225,242,225,226,233, 99,128,254,243,237,101, 2, + 211, 68,211, 81,228,233,225,236,225,242,225,226,233, 99,128,254, + 244,229,237,105, 2,211, 89,211,104,238,233,244,233,225,236,225, + 242,225,226,233, 99,128,252,221,243,239,236,225,244,229,228,225, + 242,225,226,233, 99,128,252, 88,238,239,239,238,230,233,238,225, + 236,225,242,225,226,233, 99,128,252,148,244,232,242,229,229,228, + 239,244,243,226,229,236,239,247,225,242,225,226,233, 99,128, 6, + 209,235,239,242,229,225,110,128, 49, 86,110,129, 0,165,211,176, + 237,239,238,239,243,240,225,227,101,128,255,229,111, 2,211,194, + 211,203,235,239,242,229,225,110,128, 49, 85,242,233,238,232,233, + 229,245,232,235,239,242,229,225,110,128, 49,134,114, 3,211,228, + 212, 8,212, 20,225,232,226,229,238,249,239,237,111, 2,211,242, + 211,251,232,229,226,242,229,119,128, 5,170,236,229,230,244,232, + 229,226,242,229,119,128, 5,170,233,227,249,242,233,236,236,233, + 99,128, 4, 75,245,228,233,229,242,229,243,233,243,227,249,242, + 233,236,236,233, 99,128, 4,249,243,233,229,245,238,103, 3,212, + 53,212, 62,212, 78,235,239,242,229,225,110,128, 49,129,240,225, + 238,243,233,239,243,235,239,242,229,225,110,128, 49,131,243,233, + 239,243,235,239,242,229,225,110,128, 49,130,244,233,246,232,229, + 226,242,229,119,128, 5,154,231,242,225,246,101,128, 30,243,232, + 239,239,107,129, 1,180,212,120,225,226,239,246,101,128, 30,247, + 105, 5,212,140,212,151,212,162,212,171,212,179,225,242,237,229, + 238,233,225,110,128, 5,117,227,249,242,233,236,236,233, 99,128, + 4, 87,235,239,242,229,225,110,128, 49, 98,238,249,225,238,103, + 128, 38, 47,247,238,225,242,237,229,238,233,225,110,128, 5,130, + 237,239,238,239,243,240,225,227,101,128,255, 89,111, 7,212,220, + 213, 34,213, 45,213, 55,213, 93,213,139,213,148,100,131, 5,217, + 212,230,212,250,213, 3,228,225,231,229,243,104,129,251, 57,212, + 241,232,229,226,242,229,119,128,251, 57,232,229,226,242,229,119, + 128, 5,217,249,239,100, 2,213, 11,213, 20,232,229,226,242,229, + 119,128, 5,242,240,225,244,225,232,232,229,226,242,229,119,128, + 251, 31,232,233,242,225,231,225,238, 97,128, 48,136,233,235,239, + 242,229,225,110,128, 49,137,107, 2,213, 61,213, 85,225,244,225, + 235,225,238, 97,129, 48,232,213, 73,232,225,236,230,247,233,228, + 244,104,128,255,150,239,242,229,225,110,128, 49, 91,243,237,225, + 236,108, 2,213,103,213,114,232,233,242,225,231,225,238, 97,128, + 48,135,235,225,244,225,235,225,238, 97,129, 48,231,213,127,232, + 225,236,230,247,233,228,244,104,128,255,110,244,231,242,229,229, + 107,128, 3,243,121, 2,213,154,213,191, 97, 2,213,160,213,170, + 229,235,239,242,229,225,110,128, 49,136,107, 2,213,176,213,184, + 239,242,229,225,110,128, 49,135,244,232,225,105,128, 14, 34,233, + 238,231,244,232,225,105,128, 14, 13,112, 2,213,207,213,214,225, + 242,229,110,128, 36,180,239,231,229,231,242,225,237,237,229,238, + 105,129, 3,122,213,230,231,242,229,229,235,227,237, 98,128, 3, + 69,114,129, 1,166,213,247,233,238,103,128, 30,153,243,245,240, + 229,242,233,239,114,128, 2,184,116, 2,214, 14,214, 21,233,236, + 228,101,128, 30,249,245,242,238,229,100,128, 2,142,117, 5,214, + 41,214, 52,214, 62,214,100,214,232,232,233,242,225,231,225,238, + 97,128, 48,134,233,235,239,242,229,225,110,128, 49,140,107, 2, + 214, 68,214, 92,225,244,225,235,225,238, 97,129, 48,230,214, 80, + 232,225,236,230,247,233,228,244,104,128,255,149,239,242,229,225, + 110,128, 49, 96,115, 3,214,108,214,146,214,187,226,233,103, 2, + 214,116,214,127,227,249,242,233,236,236,233, 99,128, 4,107,233, + 239,244,233,230,233,229,228,227,249,242,233,236,236,233, 99,128, + 4,109,236,233,244,244,236,101, 2,214,157,214,168,227,249,242, + 233,236,236,233, 99,128, 4,103,233,239,244,233,230,233,229,228, + 227,249,242,233,236,236,233, 99,128, 4,105,237,225,236,108, 2, + 214,196,214,207,232,233,242,225,231,225,238, 97,128, 48,133,235, + 225,244,225,235,225,238, 97,129, 48,229,214,220,232,225,236,230, + 247,233,228,244,104,128,255,109,249,101, 2,214,239,214,248,235, + 239,242,229,225,110,128, 49,139,239,235,239,242,229,225,110,128, + 49,138,249, 97, 2,215, 9,215, 19,226,229,238,231,225,236,105, + 128, 9,223,228,229,246, 97,128, 9, 95,122,142, 0,122,215, 58, + 216, 66,216, 77,216,120,216,147,217,182,218, 34,218, 76,218, 88, + 218,100,218,128,218,136,218,152,218,161, 97, 10,215, 80,215, 91, + 215, 98,215,105,215,116,215,194,215,224,215,235,216, 15,216, 27, + 225,242,237,229,238,233,225,110,128, 5,102,227,245,244,101,128, + 1,122,228,229,246, 97,128, 9, 91,231,245,242,237,245,235,232, + 105,128, 10, 91,104, 4,215,126,215,135,215,149,215,179,225,242, + 225,226,233, 99,128, 6, 56,230,233,238,225,236,225,242,225,226, + 233, 99,128,254,198,105, 2,215,155,215,170,238,233,244,233,225, + 236,225,242,225,226,233, 99,128,254,199,242,225,231,225,238, 97, + 128, 48, 86,237,229,228,233,225,236,225,242,225,226,233, 99,128, + 254,200,233,110, 2,215,201,215,210,225,242,225,226,233, 99,128, + 6, 50,230,233,238,225,236,225,242,225,226,233, 99,128,254,176, + 235,225,244,225,235,225,238, 97,128, 48,182,241,229,102, 2,215, + 243,216, 1,231,225,228,239,236,232,229,226,242,229,119,128, 5, + 149,241,225,244,225,238,232,229,226,242,229,119,128, 5,148,242, + 241,225,232,229,226,242,229,119,128, 5,152,249,233,110,130, 5, + 214,216, 37,216, 57,228,225,231,229,243,104,129,251, 54,216, 48, + 232,229,226,242,229,119,128,251, 54,232,229,226,242,229,119,128, + 5,214,226,239,240,239,237,239,230,111,128, 49, 23, 99, 3,216, + 85,216, 92,216,114,225,242,239,110,128, 1,126,233,242, 99, 2, + 216,100,216,105,236,101,128, 36,233,245,237,230,236,229,120,128, + 30,145,245,242,108,128, 2,145,228,239,116,130, 1,124,216,130, + 216,139,225,227,227,229,238,116,128, 1,124,226,229,236,239,119, + 128, 30,147,101, 6,216,161,216,172,216,215,216,226,216,237,217, + 177,227,249,242,233,236,236,233, 99,128, 4, 55,100, 2,216,178, + 216,197,229,243,227,229,238,228,229,242,227,249,242,233,236,236, + 233, 99,128, 4,153,233,229,242,229,243,233,243,227,249,242,233, + 236,236,233, 99,128, 4,223,232,233,242,225,231,225,238, 97,128, + 48, 92,235,225,244,225,235,225,238, 97,128, 48,188,242,111,140, + 0, 48,217, 10,217, 19,217, 29,217, 36,217, 61,217, 74,217, 85, + 217, 97,217,108,217,118,217,129,217,136,225,242,225,226,233, 99, + 128, 6, 96,226,229,238,231,225,236,105,128, 9,230,228,229,246, + 97,128, 9,102,231,117, 2,217, 43,217, 52,234,225,242,225,244, + 105,128, 10,230,242,237,245,235,232,105,128, 10,102,232,225,227, + 235,225,242,225,226,233, 99,128, 6, 96,233,238,230,229,242,233, + 239,114,128, 32,128,237,239,238,239,243,240,225,227,101,128,255, + 16,239,236,228,243,244,249,236,101,128,247, 48,240,229,242,243, + 233,225,110,128, 6,240,243,245,240,229,242,233,239,114,128, 32, + 112,244,232,225,105,128, 14, 80,247,233,228,244,104, 3,217,148, + 217,157,217,169,234,239,233,238,229,114,128,254,255,238,239,238, + 234,239,233,238,229,114,128, 32, 12,243,240,225,227,101,128, 32, + 11,244, 97,128, 3,182,104, 2,217,188,217,199,226,239,240,239, + 237,239,230,111,128, 49, 19,101, 4,217,209,217,220,217,236,217, + 247,225,242,237,229,238,233,225,110,128, 5,106,226,242,229,246, + 229,227,249,242,233,236,236,233, 99,128, 4,194,227,249,242,233, + 236,236,233, 99,128, 4, 54,100, 2,217,253,218, 16,229,243,227, + 229,238,228,229,242,227,249,242,233,236,236,233, 99,128, 4,151, + 233,229,242,229,243,233,243,227,249,242,233,236,236,233, 99,128, + 4,221,105, 3,218, 42,218, 53,218, 64,232,233,242,225,231,225, + 238, 97,128, 48, 88,235,225,244,225,235,225,238, 97,128, 48,184, + 238,239,242,232,229,226,242,229,119,128, 5,174,236,233,238,229, + 226,229,236,239,119,128, 30,149,237,239,238,239,243,240,225,227, + 101,128,255, 90,111, 2,218,106,218,117,232,233,242,225,231,225, + 238, 97,128, 48, 94,235,225,244,225,235,225,238, 97,128, 48,190, + 240,225,242,229,110,128, 36,181,242,229,244,242,239,230,236,229, + 248,232,239,239,107,128, 2,144,243,244,242,239,235,101,128, 1, + 182,117, 2,218,167,218,178,232,233,242,225,231,225,238, 97,128, + 48, 90,235,225,244,225,235,225,238, 97,128, 48,186 + } +#endif /* DEFINE_PS_TABLES_DATA */ + ; + + +#ifdef DEFINE_PS_TABLES + /* + * This function searches the compressed table efficiently. + */ + static unsigned long + ft_get_adobe_glyph_index( const char* name, + const char* limit ) + { + int c = 0; + int count, min, max; + const unsigned char* p = ft_adobe_glyph_list; + + + if ( name == 0 || name >= limit ) + goto NotFound; + + c = *name++; + count = p[1]; + p += 2; + + min = 0; + max = count; + + while ( min < max ) + { + int mid = ( min + max ) >> 1; + const unsigned char* q = p + mid * 2; + int c2; + + + q = ft_adobe_glyph_list + ( ( (int)q[0] << 8 ) | q[1] ); + + c2 = q[0] & 127; + if ( c2 == c ) + { + p = q; + goto Found; + } + if ( c2 < c ) + min = mid + 1; + else + max = mid; + } + goto NotFound; + + Found: + for (;;) + { + /* assert (*p & 127) == c */ + + if ( name >= limit ) + { + if ( (p[0] & 128) == 0 && + (p[1] & 128) != 0 ) + return (unsigned long)( ( (int)p[2] << 8 ) | p[3] ); + + goto NotFound; + } + c = *name++; + if ( p[0] & 128 ) + { + p++; + if ( c != (p[0] & 127) ) + goto NotFound; + + continue; + } + + p++; + count = p[0] & 127; + if ( p[0] & 128 ) + p += 2; + + p++; + + for ( ; count > 0; count--, p += 2 ) + { + int offset = ( (int)p[0] << 8 ) | p[1]; + const unsigned char* q = ft_adobe_glyph_list + offset; + + if ( c == ( q[0] & 127 ) ) + { + p = q; + goto NextIter; + } + } + goto NotFound; + + NextIter: + ; + } + + NotFound: + return 0; + } +#endif /* DEFINE_PS_TABLES */ + +#endif /* FT_CONFIG_OPTION_ADOBE_GLYPH_LIST */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftmisc.h b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftmisc.h new file mode 100644 index 00000000000..7e401190711 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftmisc.h @@ -0,0 +1,142 @@ +/***************************************************************************/ +/* */ +/* ftmisc.h */ +/* */ +/* Miscellaneous macros for stand-alone rasterizer (specification */ +/* only). */ +/* */ +/* Copyright 2005-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used */ +/* modified and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /***************************************************/ + /* */ + /* This file is *not* portable! You have to adapt */ + /* its definitions to your platform. */ + /* */ + /***************************************************/ + +#ifndef FTMISC_H_ +#define FTMISC_H_ + + + /* memset */ +#include FT_CONFIG_STANDARD_LIBRARY_H + +#define FT_BEGIN_HEADER +#define FT_END_HEADER + +#define FT_LOCAL_DEF( x ) static x + + + /* from include/freetype/fttypes.h */ + + typedef unsigned char FT_Byte; + typedef signed int FT_Int; + typedef unsigned int FT_UInt; + typedef signed long FT_Long; + typedef unsigned long FT_ULong; + typedef signed long FT_F26Dot6; + typedef int FT_Error; + +#define FT_MAKE_TAG( _x1, _x2, _x3, _x4 ) \ + ( ( (FT_ULong)_x1 << 24 ) | \ + ( (FT_ULong)_x2 << 16 ) | \ + ( (FT_ULong)_x3 << 8 ) | \ + (FT_ULong)_x4 ) + + + /* from include/freetype/ftsystem.h */ + + typedef struct FT_MemoryRec_* FT_Memory; + + typedef void* (*FT_Alloc_Func)( FT_Memory memory, + long size ); + + typedef void (*FT_Free_Func)( FT_Memory memory, + void* block ); + + typedef void* (*FT_Realloc_Func)( FT_Memory memory, + long cur_size, + long new_size, + void* block ); + + typedef struct FT_MemoryRec_ + { + void* user; + + FT_Alloc_Func alloc; + FT_Free_Func free; + FT_Realloc_Func realloc; + + } FT_MemoryRec; + + + /* from src/ftcalc.c */ + +#if ( defined _WIN32 || defined _WIN64 ) + + typedef __int64 FT_Int64; + +#else + +#include "inttypes.h" + + typedef int64_t FT_Int64; + +#endif + + + static FT_Long + FT_MulDiv( FT_Long a, + FT_Long b, + FT_Long c ) + { + FT_Int s; + FT_Long d; + + + s = 1; + if ( a < 0 ) { a = -a; s = -1; } + if ( b < 0 ) { b = -b; s = -s; } + if ( c < 0 ) { c = -c; s = -s; } + + d = (FT_Long)( c > 0 ? ( (FT_Int64)a * b + ( c >> 1 ) ) / c + : 0x7FFFFFFFL ); + + return ( s > 0 ) ? d : -d; + } + + + static FT_Long + FT_MulDiv_No_Round( FT_Long a, + FT_Long b, + FT_Long c ) + { + FT_Int s; + FT_Long d; + + + s = 1; + if ( a < 0 ) { a = -a; s = -1; } + if ( b < 0 ) { b = -b; s = -s; } + if ( c < 0 ) { c = -c; s = -s; } + + d = (FT_Long)( c > 0 ? (FT_Int64)a * b / c + : 0x7FFFFFFFL ); + + return ( s > 0 ) ? d : -d; + } + +#endif /* FTMISC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftraster.c b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftraster.c new file mode 100644 index 00000000000..4354730d54e --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftraster.c @@ -0,0 +1,3225 @@ +/***************************************************************************/ +/* */ +/* ftraster.c */ +/* */ +/* The FreeType glyph rasterizer (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* This file can be compiled without the rest of the FreeType engine, by */ + /* defining the STANDALONE_ macro when compiling it. You also need to */ + /* put the files `ftimage.h' and `ftmisc.h' into the $(incdir) */ + /* directory. Typically, you should do something like */ + /* */ + /* - copy `src/raster/ftraster.c' (this file) to your current directory */ + /* */ + /* - copy `include/freetype/ftimage.h' and `src/raster/ftmisc.h' to your */ + /* current directory */ + /* */ + /* - compile `ftraster' with the STANDALONE_ macro defined, as in */ + /* */ + /* cc -c -DSTANDALONE_ ftraster.c */ + /* */ + /* The renderer can be initialized with a call to */ + /* `ft_standard_raster.raster_new'; a bitmap can be generated */ + /* with a call to `ft_standard_raster.raster_render'. */ + /* */ + /* See the comments and documentation in the file `ftimage.h' for more */ + /* details on how the raster works. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This is a rewrite of the FreeType 1.x scan-line converter */ + /* */ + /*************************************************************************/ + +#ifdef STANDALONE_ + + /* The size in bytes of the render pool used by the scan-line converter */ + /* to do all of its work. */ +#define FT_RENDER_POOL_SIZE 16384L + +#define FT_CONFIG_STANDARD_LIBRARY_H <stdlib.h> + +#include <string.h> /* for memset */ + +#include "ftmisc.h" +#include "ftimage.h" + +#else /* !STANDALONE_ */ + +#include <ft2build.h> +#include "ftraster.h" +#include FT_INTERNAL_CALC_H /* for FT_MulDiv and FT_MulDiv_No_Round */ + +#include "rastpic.h" + +#endif /* !STANDALONE_ */ + + + /*************************************************************************/ + /* */ + /* A simple technical note on how the raster works */ + /* ----------------------------------------------- */ + /* */ + /* Converting an outline into a bitmap is achieved in several steps: */ + /* */ + /* 1 - Decomposing the outline into successive `profiles'. Each */ + /* profile is simply an array of scanline intersections on a given */ + /* dimension. A profile's main attributes are */ + /* */ + /* o its scanline position boundaries, i.e. `Ymin' and `Ymax' */ + /* */ + /* o an array of intersection coordinates for each scanline */ + /* between `Ymin' and `Ymax' */ + /* */ + /* o a direction, indicating whether it was built going `up' or */ + /* `down', as this is very important for filling rules */ + /* */ + /* o its drop-out mode */ + /* */ + /* 2 - Sweeping the target map's scanlines in order to compute segment */ + /* `spans' which are then filled. Additionally, this pass */ + /* performs drop-out control. */ + /* */ + /* The outline data is parsed during step 1 only. The profiles are */ + /* built from the bottom of the render pool, used as a stack. The */ + /* following graphics shows the profile list under construction: */ + /* */ + /* __________________________________________________________ _ _ */ + /* | | | | | */ + /* | profile | coordinates for | profile | coordinates for |--> */ + /* | 1 | profile 1 | 2 | profile 2 |--> */ + /* |_________|_________________|_________|_________________|__ _ _ */ + /* */ + /* ^ ^ */ + /* | | */ + /* start of render pool top */ + /* */ + /* The top of the profile stack is kept in the `top' variable. */ + /* */ + /* As you can see, a profile record is pushed on top of the render */ + /* pool, which is then followed by its coordinates/intersections. If */ + /* a change of direction is detected in the outline, a new profile is */ + /* generated until the end of the outline. */ + /* */ + /* Note that when all profiles have been generated, the function */ + /* Finalize_Profile_Table() is used to record, for each profile, its */ + /* bottom-most scanline as well as the scanline above its upmost */ + /* boundary. These positions are called `y-turns' because they (sort */ + /* of) correspond to local extrema. They are stored in a sorted list */ + /* built from the top of the render pool as a downwards stack: */ + /* */ + /* _ _ _______________________________________ */ + /* | | */ + /* <--| sorted list of | */ + /* <--| extrema scanlines | */ + /* _ _ __________________|____________________| */ + /* */ + /* ^ ^ */ + /* | | */ + /* maxBuff sizeBuff = end of pool */ + /* */ + /* This list is later used during the sweep phase in order to */ + /* optimize performance (see technical note on the sweep below). */ + /* */ + /* Of course, the raster detects whether the two stacks collide and */ + /* handles the situation properly. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /*************************************************************************/ + /** **/ + /** CONFIGURATION MACROS **/ + /** **/ + /*************************************************************************/ + /*************************************************************************/ + + /* define DEBUG_RASTER if you want to compile a debugging version */ +/* #define DEBUG_RASTER */ + + + /*************************************************************************/ + /*************************************************************************/ + /** **/ + /** OTHER MACROS (do not change) **/ + /** **/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_raster + + +#ifdef STANDALONE_ + + /* Auxiliary macros for token concatenation. */ +#define FT_ERR_XCAT( x, y ) x ## y +#define FT_ERR_CAT( x, y ) FT_ERR_XCAT( x, y ) + + /* This macro is used to indicate that a function parameter is unused. */ + /* Its purpose is simply to reduce compiler warnings. Note also that */ + /* simply defining it as `(void)x' doesn't avoid warnings with certain */ + /* ANSI compilers (e.g. LCC). */ +#define FT_UNUSED( x ) (x) = (x) + + /* Disable the tracing mechanism for simplicity -- developers can */ + /* activate it easily by redefining these macros. */ +#ifndef FT_ERROR +#define FT_ERROR( x ) do { } while ( 0 ) /* nothing */ +#endif + +#ifndef FT_TRACE +#define FT_TRACE( x ) do { } while ( 0 ) /* nothing */ +#define FT_TRACE1( x ) do { } while ( 0 ) /* nothing */ +#define FT_TRACE6( x ) do { } while ( 0 ) /* nothing */ +#define FT_TRACE7( x ) do { } while ( 0 ) /* nothing */ +#endif + +#ifndef FT_THROW +#define FT_THROW( e ) FT_ERR_CAT( Raster_Err_, e ) +#endif + +#define Raster_Err_None 0 +#define Raster_Err_Not_Ini -1 +#define Raster_Err_Overflow -2 +#define Raster_Err_Neg_Height -3 +#define Raster_Err_Invalid -4 +#define Raster_Err_Unsupported -5 + +#define ft_memset memset + +#define FT_DEFINE_RASTER_FUNCS( class_, glyph_format_, raster_new_, \ + raster_reset_, raster_set_mode_, \ + raster_render_, raster_done_ ) \ + const FT_Raster_Funcs class_ = \ + { \ + glyph_format_, \ + raster_new_, \ + raster_reset_, \ + raster_set_mode_, \ + raster_render_, \ + raster_done_ \ + }; + +#else /* !STANDALONE_ */ + + +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H /* for FT_TRACE, FT_ERROR, and FT_THROW */ + +#include "rasterrs.h" + +#define Raster_Err_None FT_Err_Ok +#define Raster_Err_Not_Ini Raster_Err_Raster_Uninitialized +#define Raster_Err_Overflow Raster_Err_Raster_Overflow +#define Raster_Err_Neg_Height Raster_Err_Raster_Negative_Height +#define Raster_Err_Invalid Raster_Err_Invalid_Outline +#define Raster_Err_Unsupported Raster_Err_Cannot_Render_Glyph + + +#endif /* !STANDALONE_ */ + + +#ifndef FT_MEM_SET +#define FT_MEM_SET( d, s, c ) ft_memset( d, s, c ) +#endif + +#ifndef FT_MEM_ZERO +#define FT_MEM_ZERO( dest, count ) FT_MEM_SET( dest, 0, count ) +#endif + +#ifndef FT_ZERO +#define FT_ZERO( p ) FT_MEM_ZERO( p, sizeof ( *(p) ) ) +#endif + + /* FMulDiv means `Fast MulDiv'; it is used in case where `b' is */ + /* typically a small value and the result of a*b is known to fit into */ + /* 32 bits. */ +#define FMulDiv( a, b, c ) ( (a) * (b) / (c) ) + + /* On the other hand, SMulDiv means `Slow MulDiv', and is used typically */ + /* for clipping computations. It simply uses the FT_MulDiv() function */ + /* defined in `ftcalc.h'. */ +#define SMulDiv FT_MulDiv +#define SMulDiv_No_Round FT_MulDiv_No_Round + + /* The rasterizer is a very general purpose component; please leave */ + /* the following redefinitions there (you never know your target */ + /* environment). */ + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +#ifndef NULL +#define NULL (void*)0 +#endif + +#ifndef SUCCESS +#define SUCCESS 0 +#endif + +#ifndef FAILURE +#define FAILURE 1 +#endif + + +#define MaxBezier 32 /* The maximum number of stacked Bezier curves. */ + /* Setting this constant to more than 32 is a */ + /* pure waste of space. */ + +#define Pixel_Bits 6 /* fractional bits of *input* coordinates */ + + + /*************************************************************************/ + /*************************************************************************/ + /** **/ + /** SIMPLE TYPE DECLARATIONS **/ + /** **/ + /*************************************************************************/ + /*************************************************************************/ + + typedef int Int; + typedef unsigned int UInt; + typedef short Short; + typedef unsigned short UShort, *PUShort; + typedef long Long, *PLong; + typedef unsigned long ULong; + + typedef unsigned char Byte, *PByte; + typedef char Bool; + + + typedef union Alignment_ + { + Long l; + void* p; + void (*f)(void); + + } Alignment, *PAlignment; + + + typedef struct TPoint_ + { + Long x; + Long y; + + } TPoint; + + + /* values for the `flags' bit field */ +#define Flow_Up 0x08U +#define Overshoot_Top 0x10U +#define Overshoot_Bottom 0x20U + + + /* States of each line, arc, and profile */ + typedef enum TStates_ + { + Unknown_State, + Ascending_State, + Descending_State, + Flat_State + + } TStates; + + + typedef struct TProfile_ TProfile; + typedef TProfile* PProfile; + + struct TProfile_ + { + FT_F26Dot6 X; /* current coordinate during sweep */ + PProfile link; /* link to next profile (various purposes) */ + PLong offset; /* start of profile's data in render pool */ + UShort flags; /* Bit 0-2: drop-out mode */ + /* Bit 3: profile orientation (up/down) */ + /* Bit 4: is top profile? */ + /* Bit 5: is bottom profile? */ + Long height; /* profile's height in scanlines */ + Long start; /* profile's starting scanline */ + + Int countL; /* number of lines to step before this */ + /* profile becomes drawable */ + + PProfile next; /* next profile in same contour, used */ + /* during drop-out control */ + }; + + typedef PProfile TProfileList; + typedef PProfile* PProfileList; + + + /* Simple record used to implement a stack of bands, required */ + /* by the sub-banding mechanism */ + typedef struct black_TBand_ + { + Short y_min; /* band's minimum */ + Short y_max; /* band's maximum */ + + } black_TBand; + + +#define AlignProfileSize \ + ( ( sizeof ( TProfile ) + sizeof ( Alignment ) - 1 ) / sizeof ( Long ) ) + + +#undef RAS_ARG +#undef RAS_ARGS +#undef RAS_VAR +#undef RAS_VARS + +#ifdef FT_STATIC_RASTER + + +#define RAS_ARGS /* void */ +#define RAS_ARG /* void */ + +#define RAS_VARS /* void */ +#define RAS_VAR /* void */ + +#define FT_UNUSED_RASTER do { } while ( 0 ) + + +#else /* !FT_STATIC_RASTER */ + + +#define RAS_ARGS black_PWorker worker, +#define RAS_ARG black_PWorker worker + +#define RAS_VARS worker, +#define RAS_VAR worker + +#define FT_UNUSED_RASTER FT_UNUSED( worker ) + + +#endif /* !FT_STATIC_RASTER */ + + + typedef struct black_TWorker_ black_TWorker, *black_PWorker; + + + /* prototypes used for sweep function dispatch */ + typedef void + Function_Sweep_Init( RAS_ARGS Short* min, + Short* max ); + + typedef void + Function_Sweep_Span( RAS_ARGS Short y, + FT_F26Dot6 x1, + FT_F26Dot6 x2, + PProfile left, + PProfile right ); + + typedef void + Function_Sweep_Step( RAS_ARG ); + + + /* NOTE: These operations are only valid on 2's complement processors */ +#undef FLOOR +#undef CEILING +#undef TRUNC +#undef SCALED + +#define FLOOR( x ) ( (x) & -ras.precision ) +#define CEILING( x ) ( ( (x) + ras.precision - 1 ) & -ras.precision ) +#define TRUNC( x ) ( (Long)(x) >> ras.precision_bits ) +#define FRAC( x ) ( (x) & ( ras.precision - 1 ) ) +#define SCALED( x ) ( ( (x) < 0 ? -( -(x) << ras.scale_shift ) \ + : ( (x) << ras.scale_shift ) ) \ + - ras.precision_half ) + +#define IS_BOTTOM_OVERSHOOT( x ) \ + (Bool)( CEILING( x ) - x >= ras.precision_half ) +#define IS_TOP_OVERSHOOT( x ) \ + (Bool)( x - FLOOR( x ) >= ras.precision_half ) + +#if FT_RENDER_POOL_SIZE > 2048 +#define FT_MAX_BLACK_POOL ( FT_RENDER_POOL_SIZE / sizeof ( Long ) ) +#else +#define FT_MAX_BLACK_POOL ( 2048 / sizeof ( Long ) ) +#endif + + /* The most used variables are positioned at the top of the structure. */ + /* Thus, their offset can be coded with less opcodes, resulting in a */ + /* smaller executable. */ + + struct black_TWorker_ + { + Int precision_bits; /* precision related variables */ + Int precision; + Int precision_half; + Int precision_shift; + Int precision_step; + Int precision_jitter; + + Int scale_shift; /* == precision_shift for bitmaps */ + /* == precision_shift+1 for pixmaps */ + + PLong buff; /* The profiles buffer */ + PLong sizeBuff; /* Render pool size */ + PLong maxBuff; /* Profiles buffer size */ + PLong top; /* Current cursor in buffer */ + + FT_Error error; + + Int numTurns; /* number of Y-turns in outline */ + + TPoint* arc; /* current Bezier arc pointer */ + + UShort bWidth; /* target bitmap width */ + PByte bTarget; /* target bitmap buffer */ + PByte gTarget; /* target pixmap buffer */ + + Long lastX, lastY; + Long minY, maxY; + + UShort num_Profs; /* current number of profiles */ + + Bool fresh; /* signals a fresh new profile which */ + /* `start' field must be completed */ + Bool joint; /* signals that the last arc ended */ + /* exactly on a scanline. Allows */ + /* removal of doublets */ + PProfile cProfile; /* current profile */ + PProfile fProfile; /* head of linked list of profiles */ + PProfile gProfile; /* contour's first profile in case */ + /* of impact */ + + TStates state; /* rendering state */ + + FT_Bitmap target; /* description of target bit/pixmap */ + FT_Outline outline; + + Long traceOfs; /* current offset in target bitmap */ + Long traceG; /* current offset in target pixmap */ + + Short traceIncr; /* sweep's increment in target bitmap */ + + /* dispatch variables */ + + Function_Sweep_Init* Proc_Sweep_Init; + Function_Sweep_Span* Proc_Sweep_Span; + Function_Sweep_Span* Proc_Sweep_Drop; + Function_Sweep_Step* Proc_Sweep_Step; + + Byte dropOutControl; /* current drop_out control method */ + + Bool second_pass; /* indicates whether a horizontal pass */ + /* should be performed to control */ + /* drop-out accurately when calling */ + /* Render_Glyph. */ + + TPoint arcs[3 * MaxBezier + 1]; /* The Bezier stack */ + + black_TBand band_stack[16]; /* band stack used for sub-banding */ + Int band_top; /* band stack top */ + + }; + + + typedef struct black_TRaster_ + { + void* memory; + + } black_TRaster, *black_PRaster; + +#ifdef FT_STATIC_RASTER + + static black_TWorker cur_ras; +#define ras cur_ras + +#else /* !FT_STATIC_RASTER */ + +#define ras (*worker) + +#endif /* !FT_STATIC_RASTER */ + + + /*************************************************************************/ + /*************************************************************************/ + /** **/ + /** PROFILES COMPUTATION **/ + /** **/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Set_High_Precision */ + /* */ + /* <Description> */ + /* Set precision variables according to param flag. */ + /* */ + /* <Input> */ + /* High :: Set to True for high precision (typically for ppem < 24), */ + /* false otherwise. */ + /* */ + static void + Set_High_Precision( RAS_ARGS Int High ) + { + /* + * `precision_step' is used in `Bezier_Up' to decide when to split a + * given y-monotonous Bezier arc that crosses a scanline before + * approximating it as a straight segment. The default value of 32 (for + * low accuracy) corresponds to + * + * 32 / 64 == 0.5 pixels, + * + * while for the high accuracy case we have + * + * 256 / (1 << 12) = 0.0625 pixels. + * + * `precision_jitter' is an epsilon threshold used in + * `Vertical_Sweep_Span' to deal with small imperfections in the Bezier + * decomposition (after all, we are working with approximations only); + * it avoids switching on additional pixels which would cause artifacts + * otherwise. + * + * The value of `precision_jitter' has been determined heuristically. + * + */ + + if ( High ) + { + ras.precision_bits = 12; + ras.precision_step = 256; + ras.precision_jitter = 30; + } + else + { + ras.precision_bits = 6; + ras.precision_step = 32; + ras.precision_jitter = 2; + } + + FT_TRACE6(( "Set_High_Precision(%s)\n", High ? "true" : "false" )); + + ras.precision = 1 << ras.precision_bits; + ras.precision_half = ras.precision / 2; + ras.precision_shift = ras.precision_bits - Pixel_Bits; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* New_Profile */ + /* */ + /* <Description> */ + /* Create a new profile in the render pool. */ + /* */ + /* <Input> */ + /* aState :: The state/orientation of the new profile. */ + /* */ + /* overshoot :: Whether the profile's unrounded start position */ + /* differs by at least a half pixel. */ + /* */ + /* <Return> */ + /* SUCCESS on success. FAILURE in case of overflow or of incoherent */ + /* profile. */ + /* */ + static Bool + New_Profile( RAS_ARGS TStates aState, + Bool overshoot ) + { + if ( !ras.fProfile ) + { + ras.cProfile = (PProfile)ras.top; + ras.fProfile = ras.cProfile; + ras.top += AlignProfileSize; + } + + if ( ras.top >= ras.maxBuff ) + { + ras.error = FT_THROW( Overflow ); + return FAILURE; + } + + ras.cProfile->flags = 0; + ras.cProfile->start = 0; + ras.cProfile->height = 0; + ras.cProfile->offset = ras.top; + ras.cProfile->link = (PProfile)0; + ras.cProfile->next = (PProfile)0; + ras.cProfile->flags = ras.dropOutControl; + + switch ( aState ) + { + case Ascending_State: + ras.cProfile->flags |= Flow_Up; + if ( overshoot ) + ras.cProfile->flags |= Overshoot_Bottom; + + FT_TRACE6(( " new ascending profile = %p\n", ras.cProfile )); + break; + + case Descending_State: + if ( overshoot ) + ras.cProfile->flags |= Overshoot_Top; + FT_TRACE6(( " new descending profile = %p\n", ras.cProfile )); + break; + + default: + FT_ERROR(( "New_Profile: invalid profile direction\n" )); + ras.error = FT_THROW( Invalid ); + return FAILURE; + } + + if ( !ras.gProfile ) + ras.gProfile = ras.cProfile; + + ras.state = aState; + ras.fresh = TRUE; + ras.joint = FALSE; + + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* End_Profile */ + /* */ + /* <Description> */ + /* Finalize the current profile. */ + /* */ + /* <Input> */ + /* overshoot :: Whether the profile's unrounded end position differs */ + /* by at least a half pixel. */ + /* */ + /* <Return> */ + /* SUCCESS on success. FAILURE in case of overflow or incoherency. */ + /* */ + static Bool + End_Profile( RAS_ARGS Bool overshoot ) + { + Long h; + + + h = (Long)( ras.top - ras.cProfile->offset ); + + if ( h < 0 ) + { + FT_ERROR(( "End_Profile: negative height encountered\n" )); + ras.error = FT_THROW( Neg_Height ); + return FAILURE; + } + + if ( h > 0 ) + { + PProfile oldProfile; + + + FT_TRACE6(( " ending profile %p, start = %ld, height = %ld\n", + ras.cProfile, ras.cProfile->start, h )); + + ras.cProfile->height = h; + if ( overshoot ) + { + if ( ras.cProfile->flags & Flow_Up ) + ras.cProfile->flags |= Overshoot_Top; + else + ras.cProfile->flags |= Overshoot_Bottom; + } + + oldProfile = ras.cProfile; + ras.cProfile = (PProfile)ras.top; + + ras.top += AlignProfileSize; + + ras.cProfile->height = 0; + ras.cProfile->offset = ras.top; + + oldProfile->next = ras.cProfile; + ras.num_Profs++; + } + + if ( ras.top >= ras.maxBuff ) + { + FT_TRACE1(( "overflow in End_Profile\n" )); + ras.error = FT_THROW( Overflow ); + return FAILURE; + } + + ras.joint = FALSE; + + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Insert_Y_Turn */ + /* */ + /* <Description> */ + /* Insert a salient into the sorted list placed on top of the render */ + /* pool. */ + /* */ + /* <Input> */ + /* New y scanline position. */ + /* */ + /* <Return> */ + /* SUCCESS on success. FAILURE in case of overflow. */ + /* */ + static Bool + Insert_Y_Turn( RAS_ARGS Int y ) + { + PLong y_turns; + Int n; + + + n = ras.numTurns - 1; + y_turns = ras.sizeBuff - ras.numTurns; + + /* look for first y value that is <= */ + while ( n >= 0 && y < y_turns[n] ) + n--; + + /* if it is <, simply insert it, ignore if == */ + if ( n >= 0 && y > y_turns[n] ) + do + { + Int y2 = (Int)y_turns[n]; + + + y_turns[n] = y; + y = y2; + } while ( --n >= 0 ); + + if ( n < 0 ) + { + ras.maxBuff--; + if ( ras.maxBuff <= ras.top ) + { + ras.error = FT_THROW( Overflow ); + return FAILURE; + } + ras.numTurns++; + ras.sizeBuff[-ras.numTurns] = y; + } + + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Finalize_Profile_Table */ + /* */ + /* <Description> */ + /* Adjust all links in the profiles list. */ + /* */ + /* <Return> */ + /* SUCCESS on success. FAILURE in case of overflow. */ + /* */ + static Bool + Finalize_Profile_Table( RAS_ARG ) + { + UShort n; + PProfile p; + + + n = ras.num_Profs; + p = ras.fProfile; + + if ( n > 1 && p ) + { + do + { + Int bottom, top; + + + if ( n > 1 ) + p->link = (PProfile)( p->offset + p->height ); + else + p->link = NULL; + + if ( p->flags & Flow_Up ) + { + bottom = (Int)p->start; + top = (Int)( p->start + p->height - 1 ); + } + else + { + bottom = (Int)( p->start - p->height + 1 ); + top = (Int)p->start; + p->start = bottom; + p->offset += p->height - 1; + } + + if ( Insert_Y_Turn( RAS_VARS bottom ) || + Insert_Y_Turn( RAS_VARS top + 1 ) ) + return FAILURE; + + p = p->link; + } while ( --n ); + } + else + ras.fProfile = NULL; + + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Split_Conic */ + /* */ + /* <Description> */ + /* Subdivide one conic Bezier into two joint sub-arcs in the Bezier */ + /* stack. */ + /* */ + /* <Input> */ + /* None (subdivided Bezier is taken from the top of the stack). */ + /* */ + /* <Note> */ + /* This routine is the `beef' of this component. It is _the_ inner */ + /* loop that should be optimized to hell to get the best performance. */ + /* */ + static void + Split_Conic( TPoint* base ) + { + Long a, b; + + + base[4].x = base[2].x; + b = base[1].x; + a = base[3].x = ( base[2].x + b ) / 2; + b = base[1].x = ( base[0].x + b ) / 2; + base[2].x = ( a + b ) / 2; + + base[4].y = base[2].y; + b = base[1].y; + a = base[3].y = ( base[2].y + b ) / 2; + b = base[1].y = ( base[0].y + b ) / 2; + base[2].y = ( a + b ) / 2; + + /* hand optimized. gcc doesn't seem to be too good at common */ + /* expression substitution and instruction scheduling ;-) */ + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Split_Cubic */ + /* */ + /* <Description> */ + /* Subdivide a third-order Bezier arc into two joint sub-arcs in the */ + /* Bezier stack. */ + /* */ + /* <Note> */ + /* This routine is the `beef' of the component. It is one of _the_ */ + /* inner loops that should be optimized like hell to get the best */ + /* performance. */ + /* */ + static void + Split_Cubic( TPoint* base ) + { + Long a, b, c, d; + + + base[6].x = base[3].x; + c = base[1].x; + d = base[2].x; + base[1].x = a = ( base[0].x + c + 1 ) >> 1; + base[5].x = b = ( base[3].x + d + 1 ) >> 1; + c = ( c + d + 1 ) >> 1; + base[2].x = a = ( a + c + 1 ) >> 1; + base[4].x = b = ( b + c + 1 ) >> 1; + base[3].x = ( a + b + 1 ) >> 1; + + base[6].y = base[3].y; + c = base[1].y; + d = base[2].y; + base[1].y = a = ( base[0].y + c + 1 ) >> 1; + base[5].y = b = ( base[3].y + d + 1 ) >> 1; + c = ( c + d + 1 ) >> 1; + base[2].y = a = ( a + c + 1 ) >> 1; + base[4].y = b = ( b + c + 1 ) >> 1; + base[3].y = ( a + b + 1 ) >> 1; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Line_Up */ + /* */ + /* <Description> */ + /* Compute the x-coordinates of an ascending line segment and store */ + /* them in the render pool. */ + /* */ + /* <Input> */ + /* x1 :: The x-coordinate of the segment's start point. */ + /* */ + /* y1 :: The y-coordinate of the segment's start point. */ + /* */ + /* x2 :: The x-coordinate of the segment's end point. */ + /* */ + /* y2 :: The y-coordinate of the segment's end point. */ + /* */ + /* miny :: A lower vertical clipping bound value. */ + /* */ + /* maxy :: An upper vertical clipping bound value. */ + /* */ + /* <Return> */ + /* SUCCESS on success, FAILURE on render pool overflow. */ + /* */ + static Bool + Line_Up( RAS_ARGS Long x1, + Long y1, + Long x2, + Long y2, + Long miny, + Long maxy ) + { + Long Dx, Dy; + Int e1, e2, f1, f2, size; /* XXX: is `Short' sufficient? */ + Long Ix, Rx, Ax; + + PLong top; + + + Dx = x2 - x1; + Dy = y2 - y1; + + if ( Dy <= 0 || y2 < miny || y1 > maxy ) + return SUCCESS; + + if ( y1 < miny ) + { + /* Take care: miny-y1 can be a very large value; we use */ + /* a slow MulDiv function to avoid clipping bugs */ + x1 += SMulDiv( Dx, miny - y1, Dy ); + e1 = (Int)TRUNC( miny ); + f1 = 0; + } + else + { + e1 = (Int)TRUNC( y1 ); + f1 = (Int)FRAC( y1 ); + } + + if ( y2 > maxy ) + { + /* x2 += FMulDiv( Dx, maxy - y2, Dy ); UNNECESSARY */ + e2 = (Int)TRUNC( maxy ); + f2 = 0; + } + else + { + e2 = (Int)TRUNC( y2 ); + f2 = (Int)FRAC( y2 ); + } + + if ( f1 > 0 ) + { + if ( e1 == e2 ) + return SUCCESS; + else + { + x1 += SMulDiv( Dx, ras.precision - f1, Dy ); + e1 += 1; + } + } + else + if ( ras.joint ) + { + ras.top--; + ras.joint = FALSE; + } + + ras.joint = (char)( f2 == 0 ); + + if ( ras.fresh ) + { + ras.cProfile->start = e1; + ras.fresh = FALSE; + } + + size = e2 - e1 + 1; + if ( ras.top + size >= ras.maxBuff ) + { + ras.error = FT_THROW( Overflow ); + return FAILURE; + } + + if ( Dx > 0 ) + { + Ix = SMulDiv_No_Round( ras.precision, Dx, Dy ); + Rx = ( ras.precision * Dx ) % Dy; + Dx = 1; + } + else + { + Ix = -SMulDiv_No_Round( ras.precision, -Dx, Dy ); + Rx = ( ras.precision * -Dx ) % Dy; + Dx = -1; + } + + Ax = -Dy; + top = ras.top; + + while ( size > 0 ) + { + *top++ = x1; + + x1 += Ix; + Ax += Rx; + if ( Ax >= 0 ) + { + Ax -= Dy; + x1 += Dx; + } + size--; + } + + ras.top = top; + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Line_Down */ + /* */ + /* <Description> */ + /* Compute the x-coordinates of an descending line segment and store */ + /* them in the render pool. */ + /* */ + /* <Input> */ + /* x1 :: The x-coordinate of the segment's start point. */ + /* */ + /* y1 :: The y-coordinate of the segment's start point. */ + /* */ + /* x2 :: The x-coordinate of the segment's end point. */ + /* */ + /* y2 :: The y-coordinate of the segment's end point. */ + /* */ + /* miny :: A lower vertical clipping bound value. */ + /* */ + /* maxy :: An upper vertical clipping bound value. */ + /* */ + /* <Return> */ + /* SUCCESS on success, FAILURE on render pool overflow. */ + /* */ + static Bool + Line_Down( RAS_ARGS Long x1, + Long y1, + Long x2, + Long y2, + Long miny, + Long maxy ) + { + Bool result, fresh; + + + fresh = ras.fresh; + + result = Line_Up( RAS_VARS x1, -y1, x2, -y2, -maxy, -miny ); + + if ( fresh && !ras.fresh ) + ras.cProfile->start = -ras.cProfile->start; + + return result; + } + + + /* A function type describing the functions used to split Bezier arcs */ + typedef void (*TSplitter)( TPoint* base ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Bezier_Up */ + /* */ + /* <Description> */ + /* Compute the x-coordinates of an ascending Bezier arc and store */ + /* them in the render pool. */ + /* */ + /* <Input> */ + /* degree :: The degree of the Bezier arc (either 2 or 3). */ + /* */ + /* splitter :: The function to split Bezier arcs. */ + /* */ + /* miny :: A lower vertical clipping bound value. */ + /* */ + /* maxy :: An upper vertical clipping bound value. */ + /* */ + /* <Return> */ + /* SUCCESS on success, FAILURE on render pool overflow. */ + /* */ + static Bool + Bezier_Up( RAS_ARGS Int degree, + TSplitter splitter, + Long miny, + Long maxy ) + { + Long y1, y2, e, e2, e0; + Short f1; + + TPoint* arc; + TPoint* start_arc; + + PLong top; + + + arc = ras.arc; + y1 = arc[degree].y; + y2 = arc[0].y; + top = ras.top; + + if ( y2 < miny || y1 > maxy ) + goto Fin; + + e2 = FLOOR( y2 ); + + if ( e2 > maxy ) + e2 = maxy; + + e0 = miny; + + if ( y1 < miny ) + e = miny; + else + { + e = CEILING( y1 ); + f1 = (Short)( FRAC( y1 ) ); + e0 = e; + + if ( f1 == 0 ) + { + if ( ras.joint ) + { + top--; + ras.joint = FALSE; + } + + *top++ = arc[degree].x; + + e += ras.precision; + } + } + + if ( ras.fresh ) + { + ras.cProfile->start = TRUNC( e0 ); + ras.fresh = FALSE; + } + + if ( e2 < e ) + goto Fin; + + if ( ( top + TRUNC( e2 - e ) + 1 ) >= ras.maxBuff ) + { + ras.top = top; + ras.error = FT_THROW( Overflow ); + return FAILURE; + } + + start_arc = arc; + + do + { + ras.joint = FALSE; + + y2 = arc[0].y; + + if ( y2 > e ) + { + y1 = arc[degree].y; + if ( y2 - y1 >= ras.precision_step ) + { + splitter( arc ); + arc += degree; + } + else + { + *top++ = arc[degree].x + FMulDiv( arc[0].x - arc[degree].x, + e - y1, y2 - y1 ); + arc -= degree; + e += ras.precision; + } + } + else + { + if ( y2 == e ) + { + ras.joint = TRUE; + *top++ = arc[0].x; + + e += ras.precision; + } + arc -= degree; + } + } while ( arc >= start_arc && e <= e2 ); + + Fin: + ras.top = top; + ras.arc -= degree; + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Bezier_Down */ + /* */ + /* <Description> */ + /* Compute the x-coordinates of an descending Bezier arc and store */ + /* them in the render pool. */ + /* */ + /* <Input> */ + /* degree :: The degree of the Bezier arc (either 2 or 3). */ + /* */ + /* splitter :: The function to split Bezier arcs. */ + /* */ + /* miny :: A lower vertical clipping bound value. */ + /* */ + /* maxy :: An upper vertical clipping bound value. */ + /* */ + /* <Return> */ + /* SUCCESS on success, FAILURE on render pool overflow. */ + /* */ + static Bool + Bezier_Down( RAS_ARGS Int degree, + TSplitter splitter, + Long miny, + Long maxy ) + { + TPoint* arc = ras.arc; + Bool result, fresh; + + + arc[0].y = -arc[0].y; + arc[1].y = -arc[1].y; + arc[2].y = -arc[2].y; + if ( degree > 2 ) + arc[3].y = -arc[3].y; + + fresh = ras.fresh; + + result = Bezier_Up( RAS_VARS degree, splitter, -maxy, -miny ); + + if ( fresh && !ras.fresh ) + ras.cProfile->start = -ras.cProfile->start; + + arc[0].y = -arc[0].y; + return result; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Line_To */ + /* */ + /* <Description> */ + /* Inject a new line segment and adjust the Profiles list. */ + /* */ + /* <Input> */ + /* x :: The x-coordinate of the segment's end point (its start point */ + /* is stored in `lastX'). */ + /* */ + /* y :: The y-coordinate of the segment's end point (its start point */ + /* is stored in `lastY'). */ + /* */ + /* <Return> */ + /* SUCCESS on success, FAILURE on render pool overflow or incorrect */ + /* profile. */ + /* */ + static Bool + Line_To( RAS_ARGS Long x, + Long y ) + { + /* First, detect a change of direction */ + + switch ( ras.state ) + { + case Unknown_State: + if ( y > ras.lastY ) + { + if ( New_Profile( RAS_VARS Ascending_State, + IS_BOTTOM_OVERSHOOT( ras.lastY ) ) ) + return FAILURE; + } + else + { + if ( y < ras.lastY ) + if ( New_Profile( RAS_VARS Descending_State, + IS_TOP_OVERSHOOT( ras.lastY ) ) ) + return FAILURE; + } + break; + + case Ascending_State: + if ( y < ras.lastY ) + { + if ( End_Profile( RAS_VARS IS_TOP_OVERSHOOT( ras.lastY ) ) || + New_Profile( RAS_VARS Descending_State, + IS_TOP_OVERSHOOT( ras.lastY ) ) ) + return FAILURE; + } + break; + + case Descending_State: + if ( y > ras.lastY ) + { + if ( End_Profile( RAS_VARS IS_BOTTOM_OVERSHOOT( ras.lastY ) ) || + New_Profile( RAS_VARS Ascending_State, + IS_BOTTOM_OVERSHOOT( ras.lastY ) ) ) + return FAILURE; + } + break; + + default: + ; + } + + /* Then compute the lines */ + + switch ( ras.state ) + { + case Ascending_State: + if ( Line_Up( RAS_VARS ras.lastX, ras.lastY, + x, y, ras.minY, ras.maxY ) ) + return FAILURE; + break; + + case Descending_State: + if ( Line_Down( RAS_VARS ras.lastX, ras.lastY, + x, y, ras.minY, ras.maxY ) ) + return FAILURE; + break; + + default: + ; + } + + ras.lastX = x; + ras.lastY = y; + + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Conic_To */ + /* */ + /* <Description> */ + /* Inject a new conic arc and adjust the profile list. */ + /* */ + /* <Input> */ + /* cx :: The x-coordinate of the arc's new control point. */ + /* */ + /* cy :: The y-coordinate of the arc's new control point. */ + /* */ + /* x :: The x-coordinate of the arc's end point (its start point is */ + /* stored in `lastX'). */ + /* */ + /* y :: The y-coordinate of the arc's end point (its start point is */ + /* stored in `lastY'). */ + /* */ + /* <Return> */ + /* SUCCESS on success, FAILURE on render pool overflow or incorrect */ + /* profile. */ + /* */ + static Bool + Conic_To( RAS_ARGS Long cx, + Long cy, + Long x, + Long y ) + { + Long y1, y2, y3, x3, ymin, ymax; + TStates state_bez; + + + ras.arc = ras.arcs; + ras.arc[2].x = ras.lastX; + ras.arc[2].y = ras.lastY; + ras.arc[1].x = cx; + ras.arc[1].y = cy; + ras.arc[0].x = x; + ras.arc[0].y = y; + + do + { + y1 = ras.arc[2].y; + y2 = ras.arc[1].y; + y3 = ras.arc[0].y; + x3 = ras.arc[0].x; + + /* first, categorize the Bezier arc */ + + if ( y1 <= y3 ) + { + ymin = y1; + ymax = y3; + } + else + { + ymin = y3; + ymax = y1; + } + + if ( y2 < ymin || y2 > ymax ) + { + /* this arc has no given direction, split it! */ + Split_Conic( ras.arc ); + ras.arc += 2; + } + else if ( y1 == y3 ) + { + /* this arc is flat, ignore it and pop it from the Bezier stack */ + ras.arc -= 2; + } + else + { + /* the arc is y-monotonous, either ascending or descending */ + /* detect a change of direction */ + state_bez = y1 < y3 ? Ascending_State : Descending_State; + if ( ras.state != state_bez ) + { + Bool o = ( state_bez == Ascending_State ) + ? IS_BOTTOM_OVERSHOOT( y1 ) + : IS_TOP_OVERSHOOT( y1 ); + + + /* finalize current profile if any */ + if ( ras.state != Unknown_State && + End_Profile( RAS_VARS o ) ) + goto Fail; + + /* create a new profile */ + if ( New_Profile( RAS_VARS state_bez, o ) ) + goto Fail; + } + + /* now call the appropriate routine */ + if ( state_bez == Ascending_State ) + { + if ( Bezier_Up( RAS_VARS 2, Split_Conic, ras.minY, ras.maxY ) ) + goto Fail; + } + else + if ( Bezier_Down( RAS_VARS 2, Split_Conic, ras.minY, ras.maxY ) ) + goto Fail; + } + + } while ( ras.arc >= ras.arcs ); + + ras.lastX = x3; + ras.lastY = y3; + + return SUCCESS; + + Fail: + return FAILURE; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Cubic_To */ + /* */ + /* <Description> */ + /* Inject a new cubic arc and adjust the profile list. */ + /* */ + /* <Input> */ + /* cx1 :: The x-coordinate of the arc's first new control point. */ + /* */ + /* cy1 :: The y-coordinate of the arc's first new control point. */ + /* */ + /* cx2 :: The x-coordinate of the arc's second new control point. */ + /* */ + /* cy2 :: The y-coordinate of the arc's second new control point. */ + /* */ + /* x :: The x-coordinate of the arc's end point (its start point is */ + /* stored in `lastX'). */ + /* */ + /* y :: The y-coordinate of the arc's end point (its start point is */ + /* stored in `lastY'). */ + /* */ + /* <Return> */ + /* SUCCESS on success, FAILURE on render pool overflow or incorrect */ + /* profile. */ + /* */ + static Bool + Cubic_To( RAS_ARGS Long cx1, + Long cy1, + Long cx2, + Long cy2, + Long x, + Long y ) + { + Long y1, y2, y3, y4, x4, ymin1, ymax1, ymin2, ymax2; + TStates state_bez; + + + ras.arc = ras.arcs; + ras.arc[3].x = ras.lastX; + ras.arc[3].y = ras.lastY; + ras.arc[2].x = cx1; + ras.arc[2].y = cy1; + ras.arc[1].x = cx2; + ras.arc[1].y = cy2; + ras.arc[0].x = x; + ras.arc[0].y = y; + + do + { + y1 = ras.arc[3].y; + y2 = ras.arc[2].y; + y3 = ras.arc[1].y; + y4 = ras.arc[0].y; + x4 = ras.arc[0].x; + + /* first, categorize the Bezier arc */ + + if ( y1 <= y4 ) + { + ymin1 = y1; + ymax1 = y4; + } + else + { + ymin1 = y4; + ymax1 = y1; + } + + if ( y2 <= y3 ) + { + ymin2 = y2; + ymax2 = y3; + } + else + { + ymin2 = y3; + ymax2 = y2; + } + + if ( ymin2 < ymin1 || ymax2 > ymax1 ) + { + /* this arc has no given direction, split it! */ + Split_Cubic( ras.arc ); + ras.arc += 3; + } + else if ( y1 == y4 ) + { + /* this arc is flat, ignore it and pop it from the Bezier stack */ + ras.arc -= 3; + } + else + { + state_bez = ( y1 <= y4 ) ? Ascending_State : Descending_State; + + /* detect a change of direction */ + if ( ras.state != state_bez ) + { + Bool o = ( state_bez == Ascending_State ) + ? IS_BOTTOM_OVERSHOOT( y1 ) + : IS_TOP_OVERSHOOT( y1 ); + + + /* finalize current profile if any */ + if ( ras.state != Unknown_State && + End_Profile( RAS_VARS o ) ) + goto Fail; + + if ( New_Profile( RAS_VARS state_bez, o ) ) + goto Fail; + } + + /* compute intersections */ + if ( state_bez == Ascending_State ) + { + if ( Bezier_Up( RAS_VARS 3, Split_Cubic, ras.minY, ras.maxY ) ) + goto Fail; + } + else + if ( Bezier_Down( RAS_VARS 3, Split_Cubic, ras.minY, ras.maxY ) ) + goto Fail; + } + + } while ( ras.arc >= ras.arcs ); + + ras.lastX = x4; + ras.lastY = y4; + + return SUCCESS; + + Fail: + return FAILURE; + } + + +#undef SWAP_ +#define SWAP_( x, y ) do \ + { \ + Long swap = x; \ + \ + \ + x = y; \ + y = swap; \ + } while ( 0 ) + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Decompose_Curve */ + /* */ + /* <Description> */ + /* Scan the outline arrays in order to emit individual segments and */ + /* Beziers by calling Line_To() and Bezier_To(). It handles all */ + /* weird cases, like when the first point is off the curve, or when */ + /* there are simply no `on' points in the contour! */ + /* */ + /* <Input> */ + /* first :: The index of the first point in the contour. */ + /* */ + /* last :: The index of the last point in the contour. */ + /* */ + /* flipped :: If set, flip the direction of the curve. */ + /* */ + /* <Return> */ + /* SUCCESS on success, FAILURE on error. */ + /* */ + static Bool + Decompose_Curve( RAS_ARGS UShort first, + UShort last, + Int flipped ) + { + FT_Vector v_last; + FT_Vector v_control; + FT_Vector v_start; + + FT_Vector* points; + FT_Vector* point; + FT_Vector* limit; + char* tags; + + UInt tag; /* current point's state */ + + + points = ras.outline.points; + limit = points + last; + + v_start.x = SCALED( points[first].x ); + v_start.y = SCALED( points[first].y ); + v_last.x = SCALED( points[last].x ); + v_last.y = SCALED( points[last].y ); + + if ( flipped ) + { + SWAP_( v_start.x, v_start.y ); + SWAP_( v_last.x, v_last.y ); + } + + v_control = v_start; + + point = points + first; + tags = ras.outline.tags + first; + + /* set scan mode if necessary */ + if ( tags[0] & FT_CURVE_TAG_HAS_SCANMODE ) + ras.dropOutControl = (Byte)tags[0] >> 5; + + tag = FT_CURVE_TAG( tags[0] ); + + /* A contour cannot start with a cubic control point! */ + if ( tag == FT_CURVE_TAG_CUBIC ) + goto Invalid_Outline; + + /* check first point to determine origin */ + if ( tag == FT_CURVE_TAG_CONIC ) + { + /* first point is conic control. Yes, this happens. */ + if ( FT_CURVE_TAG( ras.outline.tags[last] ) == FT_CURVE_TAG_ON ) + { + /* start at last point if it is on the curve */ + v_start = v_last; + limit--; + } + else + { + /* if both first and last points are conic, */ + /* start at their middle and record its position */ + /* for closure */ + v_start.x = ( v_start.x + v_last.x ) / 2; + v_start.y = ( v_start.y + v_last.y ) / 2; + + /* v_last = v_start; */ + } + point--; + tags--; + } + + ras.lastX = v_start.x; + ras.lastY = v_start.y; + + while ( point < limit ) + { + point++; + tags++; + + tag = FT_CURVE_TAG( tags[0] ); + + switch ( tag ) + { + case FT_CURVE_TAG_ON: /* emit a single line_to */ + { + Long x, y; + + + x = SCALED( point->x ); + y = SCALED( point->y ); + if ( flipped ) + SWAP_( x, y ); + + if ( Line_To( RAS_VARS x, y ) ) + goto Fail; + continue; + } + + case FT_CURVE_TAG_CONIC: /* consume conic arcs */ + v_control.x = SCALED( point[0].x ); + v_control.y = SCALED( point[0].y ); + + if ( flipped ) + SWAP_( v_control.x, v_control.y ); + + Do_Conic: + if ( point < limit ) + { + FT_Vector v_middle; + Long x, y; + + + point++; + tags++; + tag = FT_CURVE_TAG( tags[0] ); + + x = SCALED( point[0].x ); + y = SCALED( point[0].y ); + + if ( flipped ) + SWAP_( x, y ); + + if ( tag == FT_CURVE_TAG_ON ) + { + if ( Conic_To( RAS_VARS v_control.x, v_control.y, x, y ) ) + goto Fail; + continue; + } + + if ( tag != FT_CURVE_TAG_CONIC ) + goto Invalid_Outline; + + v_middle.x = ( v_control.x + x ) / 2; + v_middle.y = ( v_control.y + y ) / 2; + + if ( Conic_To( RAS_VARS v_control.x, v_control.y, + v_middle.x, v_middle.y ) ) + goto Fail; + + v_control.x = x; + v_control.y = y; + + goto Do_Conic; + } + + if ( Conic_To( RAS_VARS v_control.x, v_control.y, + v_start.x, v_start.y ) ) + goto Fail; + + goto Close; + + default: /* FT_CURVE_TAG_CUBIC */ + { + Long x1, y1, x2, y2, x3, y3; + + + if ( point + 1 > limit || + FT_CURVE_TAG( tags[1] ) != FT_CURVE_TAG_CUBIC ) + goto Invalid_Outline; + + point += 2; + tags += 2; + + x1 = SCALED( point[-2].x ); + y1 = SCALED( point[-2].y ); + x2 = SCALED( point[-1].x ); + y2 = SCALED( point[-1].y ); + + if ( flipped ) + { + SWAP_( x1, y1 ); + SWAP_( x2, y2 ); + } + + if ( point <= limit ) + { + x3 = SCALED( point[0].x ); + y3 = SCALED( point[0].y ); + + if ( flipped ) + SWAP_( x3, y3 ); + + if ( Cubic_To( RAS_VARS x1, y1, x2, y2, x3, y3 ) ) + goto Fail; + continue; + } + + if ( Cubic_To( RAS_VARS x1, y1, x2, y2, v_start.x, v_start.y ) ) + goto Fail; + goto Close; + } + } + } + + /* close the contour with a line segment */ + if ( Line_To( RAS_VARS v_start.x, v_start.y ) ) + goto Fail; + + Close: + return SUCCESS; + + Invalid_Outline: + ras.error = FT_THROW( Invalid ); + + Fail: + return FAILURE; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Convert_Glyph */ + /* */ + /* <Description> */ + /* Convert a glyph into a series of segments and arcs and make a */ + /* profiles list with them. */ + /* */ + /* <Input> */ + /* flipped :: If set, flip the direction of curve. */ + /* */ + /* <Return> */ + /* SUCCESS on success, FAILURE if any error was encountered during */ + /* rendering. */ + /* */ + static Bool + Convert_Glyph( RAS_ARGS Int flipped ) + { + Int i; + UInt start; + + + ras.fProfile = NULL; + ras.joint = FALSE; + ras.fresh = FALSE; + + ras.maxBuff = ras.sizeBuff - AlignProfileSize; + + ras.numTurns = 0; + + ras.cProfile = (PProfile)ras.top; + ras.cProfile->offset = ras.top; + ras.num_Profs = 0; + + start = 0; + + for ( i = 0; i < ras.outline.n_contours; i++ ) + { + PProfile lastProfile; + Bool o; + + + ras.state = Unknown_State; + ras.gProfile = NULL; + + if ( Decompose_Curve( RAS_VARS (UShort)start, + (UShort)ras.outline.contours[i], + flipped ) ) + return FAILURE; + + start = (UShort)ras.outline.contours[i] + 1; + + /* we must now check whether the extreme arcs join or not */ + if ( FRAC( ras.lastY ) == 0 && + ras.lastY >= ras.minY && + ras.lastY <= ras.maxY ) + if ( ras.gProfile && + ( ras.gProfile->flags & Flow_Up ) == + ( ras.cProfile->flags & Flow_Up ) ) + ras.top--; + /* Note that ras.gProfile can be nil if the contour was too small */ + /* to be drawn. */ + + lastProfile = ras.cProfile; + if ( ras.top != ras.cProfile->offset && + ( ras.cProfile->flags & Flow_Up ) ) + o = IS_TOP_OVERSHOOT( ras.lastY ); + else + o = IS_BOTTOM_OVERSHOOT( ras.lastY ); + if ( End_Profile( RAS_VARS o ) ) + return FAILURE; + + /* close the `next profile in contour' linked list */ + if ( ras.gProfile ) + lastProfile->next = ras.gProfile; + } + + if ( Finalize_Profile_Table( RAS_VAR ) ) + return FAILURE; + + return (Bool)( ras.top < ras.maxBuff ? SUCCESS : FAILURE ); + } + + + /*************************************************************************/ + /*************************************************************************/ + /** **/ + /** SCAN-LINE SWEEPS AND DRAWING **/ + /** **/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* Init_Linked */ + /* */ + /* Initializes an empty linked list. */ + /* */ + static void + Init_Linked( TProfileList* l ) + { + *l = NULL; + } + + + /*************************************************************************/ + /* */ + /* InsNew */ + /* */ + /* Inserts a new profile in a linked list. */ + /* */ + static void + InsNew( PProfileList list, + PProfile profile ) + { + PProfile *old, current; + Long x; + + + old = list; + current = *old; + x = profile->X; + + while ( current ) + { + if ( x < current->X ) + break; + old = ¤t->link; + current = *old; + } + + profile->link = current; + *old = profile; + } + + + /*************************************************************************/ + /* */ + /* DelOld */ + /* */ + /* Removes an old profile from a linked list. */ + /* */ + static void + DelOld( PProfileList list, + PProfile profile ) + { + PProfile *old, current; + + + old = list; + current = *old; + + while ( current ) + { + if ( current == profile ) + { + *old = current->link; + return; + } + + old = ¤t->link; + current = *old; + } + + /* we should never get there, unless the profile was not part of */ + /* the list. */ + } + + + /*************************************************************************/ + /* */ + /* Sort */ + /* */ + /* Sorts a trace list. In 95%, the list is already sorted. We need */ + /* an algorithm which is fast in this case. Bubble sort is enough */ + /* and simple. */ + /* */ + static void + Sort( PProfileList list ) + { + PProfile *old, current, next; + + + /* First, set the new X coordinate of each profile */ + current = *list; + while ( current ) + { + current->X = *current->offset; + current->offset += ( current->flags & Flow_Up ) ? 1 : -1; + current->height--; + current = current->link; + } + + /* Then sort them */ + old = list; + current = *old; + + if ( !current ) + return; + + next = current->link; + + while ( next ) + { + if ( current->X <= next->X ) + { + old = ¤t->link; + current = *old; + + if ( !current ) + return; + } + else + { + *old = next; + current->link = next->link; + next->link = current; + + old = list; + current = *old; + } + + next = current->link; + } + } + + + /*************************************************************************/ + /* */ + /* Vertical Sweep Procedure Set */ + /* */ + /* These four routines are used during the vertical black/white sweep */ + /* phase by the generic Draw_Sweep() function. */ + /* */ + /*************************************************************************/ + + static void + Vertical_Sweep_Init( RAS_ARGS Short* min, + Short* max ) + { + Long pitch = ras.target.pitch; + + FT_UNUSED( max ); + + + ras.traceIncr = (Short)-pitch; + ras.traceOfs = -*min * pitch; + if ( pitch > 0 ) + ras.traceOfs += (Long)( ras.target.rows - 1 ) * pitch; + } + + + static void + Vertical_Sweep_Span( RAS_ARGS Short y, + FT_F26Dot6 x1, + FT_F26Dot6 x2, + PProfile left, + PProfile right ) + { + Long e1, e2; + Byte* target; + + Int dropOutControl = left->flags & 7; + + FT_UNUSED( y ); + FT_UNUSED( left ); + FT_UNUSED( right ); + + + /* in high-precision mode, we need 12 digits after the comma to */ + /* represent multiples of 1/(1<<12) = 1/4096 */ + FT_TRACE7(( " y=%d x=[%.12f;%.12f], drop-out=%d", + y, + x1 / (double)ras.precision, + x2 / (double)ras.precision, + dropOutControl )); + + /* Drop-out control */ + + e1 = TRUNC( CEILING( x1 ) ); + + if ( dropOutControl != 2 && + x2 - x1 - ras.precision <= ras.precision_jitter ) + e2 = e1; + else + e2 = TRUNC( FLOOR( x2 ) ); + + if ( e2 >= 0 && e1 < ras.bWidth ) + { + Int c1, c2; + Byte f1, f2; + + + if ( e1 < 0 ) + e1 = 0; + if ( e2 >= ras.bWidth ) + e2 = ras.bWidth - 1; + + FT_TRACE7(( " -> x=[%d;%d]", e1, e2 )); + + c1 = (Short)( e1 >> 3 ); + c2 = (Short)( e2 >> 3 ); + + f1 = (Byte) ( 0xFF >> ( e1 & 7 ) ); + f2 = (Byte) ~( 0x7F >> ( e2 & 7 ) ); + + target = ras.bTarget + ras.traceOfs + c1; + c2 -= c1; + + if ( c2 > 0 ) + { + target[0] |= f1; + + /* memset() is slower than the following code on many platforms. */ + /* This is due to the fact that, in the vast majority of cases, */ + /* the span length in bytes is relatively small. */ + c2--; + while ( c2 > 0 ) + { + *(++target) = 0xFF; + c2--; + } + target[1] |= f2; + } + else + *target |= ( f1 & f2 ); + } + + FT_TRACE7(( "\n" )); + } + + + static void + Vertical_Sweep_Drop( RAS_ARGS Short y, + FT_F26Dot6 x1, + FT_F26Dot6 x2, + PProfile left, + PProfile right ) + { + Long e1, e2, pxl; + Short c1, f1; + + + FT_TRACE7(( " y=%d x=[%.12f;%.12f]", + y, + x1 / (double)ras.precision, + x2 / (double)ras.precision )); + + /* Drop-out control */ + + /* e2 x2 x1 e1 */ + /* */ + /* ^ | */ + /* | | */ + /* +-------------+---------------------+------------+ */ + /* | | */ + /* | v */ + /* */ + /* pixel contour contour pixel */ + /* center center */ + + /* drop-out mode scan conversion rules (as defined in OpenType) */ + /* --------------------------------------------------------------- */ + /* 0 1, 2, 3 */ + /* 1 1, 2, 4 */ + /* 2 1, 2 */ + /* 3 same as mode 2 */ + /* 4 1, 2, 5 */ + /* 5 1, 2, 6 */ + /* 6, 7 same as mode 2 */ + + e1 = CEILING( x1 ); + e2 = FLOOR ( x2 ); + pxl = e1; + + if ( e1 > e2 ) + { + Int dropOutControl = left->flags & 7; + + + FT_TRACE7(( ", drop-out=%d", dropOutControl )); + + if ( e1 == e2 + ras.precision ) + { + switch ( dropOutControl ) + { + case 0: /* simple drop-outs including stubs */ + pxl = e2; + break; + + case 4: /* smart drop-outs including stubs */ + pxl = FLOOR( ( x1 + x2 - 1 ) / 2 + ras.precision_half ); + break; + + case 1: /* simple drop-outs excluding stubs */ + case 5: /* smart drop-outs excluding stubs */ + + /* Drop-out Control Rules #4 and #6 */ + + /* The specification neither provides an exact definition */ + /* of a `stub' nor gives exact rules to exclude them. */ + /* */ + /* Here the constraints we use to recognize a stub. */ + /* */ + /* upper stub: */ + /* */ + /* - P_Left and P_Right are in the same contour */ + /* - P_Right is the successor of P_Left in that contour */ + /* - y is the top of P_Left and P_Right */ + /* */ + /* lower stub: */ + /* */ + /* - P_Left and P_Right are in the same contour */ + /* - P_Left is the successor of P_Right in that contour */ + /* - y is the bottom of P_Left */ + /* */ + /* We draw a stub if the following constraints are met. */ + /* */ + /* - for an upper or lower stub, there is top or bottom */ + /* overshoot, respectively */ + /* - the covered interval is greater or equal to a half */ + /* pixel */ + + /* upper stub test */ + if ( left->next == right && + left->height <= 0 && + !( left->flags & Overshoot_Top && + x2 - x1 >= ras.precision_half ) ) + goto Exit; + + /* lower stub test */ + if ( right->next == left && + left->start == y && + !( left->flags & Overshoot_Bottom && + x2 - x1 >= ras.precision_half ) ) + goto Exit; + + if ( dropOutControl == 1 ) + pxl = e2; + else + pxl = FLOOR( ( x1 + x2 - 1 ) / 2 + ras.precision_half ); + break; + + default: /* modes 2, 3, 6, 7 */ + goto Exit; /* no drop-out control */ + } + + /* undocumented but confirmed: If the drop-out would result in a */ + /* pixel outside of the bounding box, use the pixel inside of the */ + /* bounding box instead */ + if ( pxl < 0 ) + pxl = e1; + else if ( TRUNC( pxl ) >= ras.bWidth ) + pxl = e2; + + /* check that the other pixel isn't set */ + e1 = ( pxl == e1 ) ? e2 : e1; + + e1 = TRUNC( e1 ); + + c1 = (Short)( e1 >> 3 ); + f1 = (Short)( e1 & 7 ); + + if ( e1 >= 0 && e1 < ras.bWidth && + ras.bTarget[ras.traceOfs + c1] & ( 0x80 >> f1 ) ) + goto Exit; + } + else + goto Exit; + } + + e1 = TRUNC( pxl ); + + if ( e1 >= 0 && e1 < ras.bWidth ) + { + FT_TRACE7(( " -> x=%d (drop-out)", e1 )); + + c1 = (Short)( e1 >> 3 ); + f1 = (Short)( e1 & 7 ); + + ras.bTarget[ras.traceOfs + c1] |= (char)( 0x80 >> f1 ); + } + + Exit: + FT_TRACE7(( "\n" )); + } + + + static void + Vertical_Sweep_Step( RAS_ARG ) + { + ras.traceOfs += ras.traceIncr; + } + + + /***********************************************************************/ + /* */ + /* Horizontal Sweep Procedure Set */ + /* */ + /* These four routines are used during the horizontal black/white */ + /* sweep phase by the generic Draw_Sweep() function. */ + /* */ + /***********************************************************************/ + + static void + Horizontal_Sweep_Init( RAS_ARGS Short* min, + Short* max ) + { + /* nothing, really */ + FT_UNUSED_RASTER; + FT_UNUSED( min ); + FT_UNUSED( max ); + } + + + static void + Horizontal_Sweep_Span( RAS_ARGS Short y, + FT_F26Dot6 x1, + FT_F26Dot6 x2, + PProfile left, + PProfile right ) + { + FT_UNUSED( left ); + FT_UNUSED( right ); + + + if ( x2 - x1 < ras.precision ) + { + Long e1, e2; + + + FT_TRACE7(( " x=%d y=[%.12f;%.12f]", + y, + x1 / (double)ras.precision, + x2 / (double)ras.precision )); + + e1 = CEILING( x1 ); + e2 = FLOOR ( x2 ); + + if ( e1 == e2 ) + { + e1 = TRUNC( e1 ); + + if ( e1 >= 0 && (ULong)e1 < ras.target.rows ) + { + Byte f1; + PByte bits; + PByte p; + + + FT_TRACE7(( " -> y=%d (drop-out)", e1 )); + + bits = ras.bTarget + ( y >> 3 ); + f1 = (Byte)( 0x80 >> ( y & 7 ) ); + p = bits - e1 * ras.target.pitch; + + if ( ras.target.pitch > 0 ) + p += (Long)( ras.target.rows - 1 ) * ras.target.pitch; + + p[0] |= f1; + } + } + + FT_TRACE7(( "\n" )); + } + } + + + static void + Horizontal_Sweep_Drop( RAS_ARGS Short y, + FT_F26Dot6 x1, + FT_F26Dot6 x2, + PProfile left, + PProfile right ) + { + Long e1, e2, pxl; + PByte bits; + Byte f1; + + + FT_TRACE7(( " x=%d y=[%.12f;%.12f]", + y, + x1 / (double)ras.precision, + x2 / (double)ras.precision )); + + /* During the horizontal sweep, we only take care of drop-outs */ + + /* e1 + <-- pixel center */ + /* | */ + /* x1 ---+--> <-- contour */ + /* | */ + /* | */ + /* x2 <--+--- <-- contour */ + /* | */ + /* | */ + /* e2 + <-- pixel center */ + + e1 = CEILING( x1 ); + e2 = FLOOR ( x2 ); + pxl = e1; + + if ( e1 > e2 ) + { + Int dropOutControl = left->flags & 7; + + + FT_TRACE7(( ", dropout=%d", dropOutControl )); + + if ( e1 == e2 + ras.precision ) + { + switch ( dropOutControl ) + { + case 0: /* simple drop-outs including stubs */ + pxl = e2; + break; + + case 4: /* smart drop-outs including stubs */ + pxl = FLOOR( ( x1 + x2 - 1 ) / 2 + ras.precision_half ); + break; + + case 1: /* simple drop-outs excluding stubs */ + case 5: /* smart drop-outs excluding stubs */ + /* see Vertical_Sweep_Drop for details */ + + /* rightmost stub test */ + if ( left->next == right && + left->height <= 0 && + !( left->flags & Overshoot_Top && + x2 - x1 >= ras.precision_half ) ) + goto Exit; + + /* leftmost stub test */ + if ( right->next == left && + left->start == y && + !( left->flags & Overshoot_Bottom && + x2 - x1 >= ras.precision_half ) ) + goto Exit; + + if ( dropOutControl == 1 ) + pxl = e2; + else + pxl = FLOOR( ( x1 + x2 - 1 ) / 2 + ras.precision_half ); + break; + + default: /* modes 2, 3, 6, 7 */ + goto Exit; /* no drop-out control */ + } + + /* undocumented but confirmed: If the drop-out would result in a */ + /* pixel outside of the bounding box, use the pixel inside of the */ + /* bounding box instead */ + if ( pxl < 0 ) + pxl = e1; + else if ( (ULong)( TRUNC( pxl ) ) >= ras.target.rows ) + pxl = e2; + + /* check that the other pixel isn't set */ + e1 = ( pxl == e1 ) ? e2 : e1; + + e1 = TRUNC( e1 ); + + bits = ras.bTarget + ( y >> 3 ); + f1 = (Byte)( 0x80 >> ( y & 7 ) ); + + bits -= e1 * ras.target.pitch; + if ( ras.target.pitch > 0 ) + bits += (Long)( ras.target.rows - 1 ) * ras.target.pitch; + + if ( e1 >= 0 && + (ULong)e1 < ras.target.rows && + *bits & f1 ) + goto Exit; + } + else + goto Exit; + } + + e1 = TRUNC( pxl ); + + if ( e1 >= 0 && (ULong)e1 < ras.target.rows ) + { + FT_TRACE7(( " -> y=%d (drop-out)", e1 )); + + bits = ras.bTarget + ( y >> 3 ); + f1 = (Byte)( 0x80 >> ( y & 7 ) ); + bits -= e1 * ras.target.pitch; + + if ( ras.target.pitch > 0 ) + bits += (Long)( ras.target.rows - 1 ) * ras.target.pitch; + + bits[0] |= f1; + } + + Exit: + FT_TRACE7(( "\n" )); + } + + + static void + Horizontal_Sweep_Step( RAS_ARG ) + { + /* Nothing, really */ + FT_UNUSED_RASTER; + } + + + /*************************************************************************/ + /* */ + /* Generic Sweep Drawing routine */ + /* */ + /*************************************************************************/ + + static Bool + Draw_Sweep( RAS_ARG ) + { + Short y, y_change, y_height; + + PProfile P, Q, P_Left, P_Right; + + Short min_Y, max_Y, top, bottom, dropouts; + + Long x1, x2, xs, e1, e2; + + TProfileList waiting; + TProfileList draw_left, draw_right; + + + /* initialize empty linked lists */ + + Init_Linked( &waiting ); + + Init_Linked( &draw_left ); + Init_Linked( &draw_right ); + + /* first, compute min and max Y */ + + P = ras.fProfile; + max_Y = (Short)TRUNC( ras.minY ); + min_Y = (Short)TRUNC( ras.maxY ); + + while ( P ) + { + Q = P->link; + + bottom = (Short)P->start; + top = (Short)( P->start + P->height - 1 ); + + if ( min_Y > bottom ) + min_Y = bottom; + if ( max_Y < top ) + max_Y = top; + + P->X = 0; + InsNew( &waiting, P ); + + P = Q; + } + + /* check the Y-turns */ + if ( ras.numTurns == 0 ) + { + ras.error = FT_THROW( Invalid ); + return FAILURE; + } + + /* now initialize the sweep */ + + ras.Proc_Sweep_Init( RAS_VARS &min_Y, &max_Y ); + + /* then compute the distance of each profile from min_Y */ + + P = waiting; + + while ( P ) + { + P->countL = P->start - min_Y; + P = P->link; + } + + /* let's go */ + + y = min_Y; + y_height = 0; + + if ( ras.numTurns > 0 && + ras.sizeBuff[-ras.numTurns] == min_Y ) + ras.numTurns--; + + while ( ras.numTurns > 0 ) + { + /* check waiting list for new activations */ + + P = waiting; + + while ( P ) + { + Q = P->link; + P->countL -= y_height; + if ( P->countL == 0 ) + { + DelOld( &waiting, P ); + + if ( P->flags & Flow_Up ) + InsNew( &draw_left, P ); + else + InsNew( &draw_right, P ); + } + + P = Q; + } + + /* sort the drawing lists */ + + Sort( &draw_left ); + Sort( &draw_right ); + + y_change = (Short)ras.sizeBuff[-ras.numTurns--]; + y_height = (Short)( y_change - y ); + + while ( y < y_change ) + { + /* let's trace */ + + dropouts = 0; + + P_Left = draw_left; + P_Right = draw_right; + + while ( P_Left ) + { + x1 = P_Left ->X; + x2 = P_Right->X; + + if ( x1 > x2 ) + { + xs = x1; + x1 = x2; + x2 = xs; + } + + e1 = FLOOR( x1 ); + e2 = CEILING( x2 ); + + if ( x2 - x1 <= ras.precision && + e1 != x1 && e2 != x2 ) + { + if ( e1 > e2 || e2 == e1 + ras.precision ) + { + Int dropOutControl = P_Left->flags & 7; + + + if ( dropOutControl != 2 ) + { + /* a drop-out was detected */ + + P_Left ->X = x1; + P_Right->X = x2; + + /* mark profile for drop-out processing */ + P_Left->countL = 1; + dropouts++; + } + + goto Skip_To_Next; + } + } + + ras.Proc_Sweep_Span( RAS_VARS y, x1, x2, P_Left, P_Right ); + + Skip_To_Next: + + P_Left = P_Left->link; + P_Right = P_Right->link; + } + + /* handle drop-outs _after_ the span drawing -- */ + /* drop-out processing has been moved out of the loop */ + /* for performance tuning */ + if ( dropouts > 0 ) + goto Scan_DropOuts; + + Next_Line: + + ras.Proc_Sweep_Step( RAS_VAR ); + + y++; + + if ( y < y_change ) + { + Sort( &draw_left ); + Sort( &draw_right ); + } + } + + /* now finalize the profiles that need it */ + + P = draw_left; + while ( P ) + { + Q = P->link; + if ( P->height == 0 ) + DelOld( &draw_left, P ); + P = Q; + } + + P = draw_right; + while ( P ) + { + Q = P->link; + if ( P->height == 0 ) + DelOld( &draw_right, P ); + P = Q; + } + } + + /* for gray-scaling, flush the bitmap scanline cache */ + while ( y <= max_Y ) + { + ras.Proc_Sweep_Step( RAS_VAR ); + y++; + } + + return SUCCESS; + + Scan_DropOuts: + + P_Left = draw_left; + P_Right = draw_right; + + while ( P_Left ) + { + if ( P_Left->countL ) + { + P_Left->countL = 0; +#if 0 + dropouts--; /* -- this is useful when debugging only */ +#endif + ras.Proc_Sweep_Drop( RAS_VARS y, + P_Left->X, + P_Right->X, + P_Left, + P_Right ); + } + + P_Left = P_Left->link; + P_Right = P_Right->link; + } + + goto Next_Line; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Render_Single_Pass */ + /* */ + /* <Description> */ + /* Perform one sweep with sub-banding. */ + /* */ + /* <Input> */ + /* flipped :: If set, flip the direction of the outline. */ + /* */ + /* <Return> */ + /* Renderer error code. */ + /* */ + static int + Render_Single_Pass( RAS_ARGS Bool flipped ) + { + Short i, j, k; + + + while ( ras.band_top >= 0 ) + { + ras.maxY = (Long)ras.band_stack[ras.band_top].y_max * ras.precision; + ras.minY = (Long)ras.band_stack[ras.band_top].y_min * ras.precision; + + ras.top = ras.buff; + + ras.error = Raster_Err_None; + + if ( Convert_Glyph( RAS_VARS flipped ) ) + { + if ( ras.error != Raster_Err_Overflow ) + return FAILURE; + + ras.error = Raster_Err_None; + + /* sub-banding */ + +#ifdef DEBUG_RASTER + ClearBand( RAS_VARS TRUNC( ras.minY ), TRUNC( ras.maxY ) ); +#endif + + i = ras.band_stack[ras.band_top].y_min; + j = ras.band_stack[ras.band_top].y_max; + + k = (Short)( ( i + j ) / 2 ); + + if ( ras.band_top >= 7 || k < i ) + { + ras.band_top = 0; + ras.error = FT_THROW( Invalid ); + + return ras.error; + } + + ras.band_stack[ras.band_top + 1].y_min = k; + ras.band_stack[ras.band_top + 1].y_max = j; + + ras.band_stack[ras.band_top].y_max = (Short)( k - 1 ); + + ras.band_top++; + } + else + { + if ( ras.fProfile ) + if ( Draw_Sweep( RAS_VAR ) ) + return ras.error; + ras.band_top--; + } + } + + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Render_Glyph */ + /* */ + /* <Description> */ + /* Render a glyph in a bitmap. Sub-banding if needed. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + static FT_Error + Render_Glyph( RAS_ARG ) + { + FT_Error error; + + + Set_High_Precision( RAS_VARS ras.outline.flags & + FT_OUTLINE_HIGH_PRECISION ); + ras.scale_shift = ras.precision_shift; + + if ( ras.outline.flags & FT_OUTLINE_IGNORE_DROPOUTS ) + ras.dropOutControl = 2; + else + { + if ( ras.outline.flags & FT_OUTLINE_SMART_DROPOUTS ) + ras.dropOutControl = 4; + else + ras.dropOutControl = 0; + + if ( !( ras.outline.flags & FT_OUTLINE_INCLUDE_STUBS ) ) + ras.dropOutControl += 1; + } + + ras.second_pass = (Bool)( !( ras.outline.flags & + FT_OUTLINE_SINGLE_PASS ) ); + + /* Vertical Sweep */ + FT_TRACE7(( "Vertical pass (ftraster)\n" )); + + ras.Proc_Sweep_Init = Vertical_Sweep_Init; + ras.Proc_Sweep_Span = Vertical_Sweep_Span; + ras.Proc_Sweep_Drop = Vertical_Sweep_Drop; + ras.Proc_Sweep_Step = Vertical_Sweep_Step; + + ras.band_top = 0; + ras.band_stack[0].y_min = 0; + ras.band_stack[0].y_max = (Short)( ras.target.rows - 1 ); + + ras.bWidth = (UShort)ras.target.width; + ras.bTarget = (Byte*)ras.target.buffer; + + if ( ( error = Render_Single_Pass( RAS_VARS 0 ) ) != 0 ) + return error; + + /* Horizontal Sweep */ + if ( ras.second_pass && ras.dropOutControl != 2 ) + { + FT_TRACE7(( "Horizontal pass (ftraster)\n" )); + + ras.Proc_Sweep_Init = Horizontal_Sweep_Init; + ras.Proc_Sweep_Span = Horizontal_Sweep_Span; + ras.Proc_Sweep_Drop = Horizontal_Sweep_Drop; + ras.Proc_Sweep_Step = Horizontal_Sweep_Step; + + ras.band_top = 0; + ras.band_stack[0].y_min = 0; + ras.band_stack[0].y_max = (Short)( ras.target.width - 1 ); + + if ( ( error = Render_Single_Pass( RAS_VARS 1 ) ) != 0 ) + return error; + } + + return Raster_Err_None; + } + + + static void + ft_black_init( black_PRaster raster ) + { + FT_UNUSED( raster ); + } + + + /**** RASTER OBJECT CREATION: In standalone mode, we simply use *****/ + /**** a static object. *****/ + + +#ifdef STANDALONE_ + + + static int + ft_black_new( void* memory, + FT_Raster *araster ) + { + static black_TRaster the_raster; + FT_UNUSED( memory ); + + + *araster = (FT_Raster)&the_raster; + FT_ZERO( &the_raster ); + ft_black_init( &the_raster ); + + return 0; + } + + + static void + ft_black_done( FT_Raster raster ) + { + /* nothing */ + FT_UNUSED( raster ); + } + + +#else /* !STANDALONE_ */ + + + static int + ft_black_new( FT_Memory memory, + black_PRaster *araster ) + { + FT_Error error; + black_PRaster raster = NULL; + + + *araster = 0; + if ( !FT_NEW( raster ) ) + { + raster->memory = memory; + ft_black_init( raster ); + + *araster = raster; + } + + return error; + } + + + static void + ft_black_done( black_PRaster raster ) + { + FT_Memory memory = (FT_Memory)raster->memory; + + + FT_FREE( raster ); + } + + +#endif /* !STANDALONE_ */ + + + static void + ft_black_reset( FT_Raster raster, + PByte pool_base, + ULong pool_size ) + { + FT_UNUSED( raster ); + FT_UNUSED( pool_base ); + FT_UNUSED( pool_size ); + } + + + static int + ft_black_set_mode( FT_Raster raster, + ULong mode, + void* args ) + { + FT_UNUSED( raster ); + FT_UNUSED( mode ); + FT_UNUSED( args ); + + return 0; + } + + + static int + ft_black_render( FT_Raster raster, + const FT_Raster_Params* params ) + { + const FT_Outline* outline = (const FT_Outline*)params->source; + const FT_Bitmap* target_map = params->target; + + black_TWorker worker[1]; + + Long buffer[FT_MAX_BLACK_POOL]; + + + if ( !raster ) + return FT_THROW( Not_Ini ); + + if ( !outline ) + return FT_THROW( Invalid ); + + /* return immediately if the outline is empty */ + if ( outline->n_points == 0 || outline->n_contours <= 0 ) + return Raster_Err_None; + + if ( !outline->contours || !outline->points ) + return FT_THROW( Invalid ); + + if ( outline->n_points != + outline->contours[outline->n_contours - 1] + 1 ) + return FT_THROW( Invalid ); + + /* this version of the raster does not support direct rendering, sorry */ + if ( params->flags & FT_RASTER_FLAG_DIRECT ) + return FT_THROW( Unsupported ); + + if ( params->flags & FT_RASTER_FLAG_AA ) + return FT_THROW( Unsupported ); + + if ( !target_map ) + return FT_THROW( Invalid ); + + /* nothing to do */ + if ( !target_map->width || !target_map->rows ) + return Raster_Err_None; + + if ( !target_map->buffer ) + return FT_THROW( Invalid ); + + /* reject too large outline coordinates */ + { + FT_Vector* vec = outline->points; + FT_Vector* limit = vec + outline->n_points; + + + for ( ; vec < limit; vec++ ) + { + if ( vec->x < -0x1000000L || vec->x > 0x1000000L || + vec->y < -0x1000000L || vec->y > 0x1000000L ) + return FT_THROW( Invalid ); + } + } + + ras.outline = *outline; + ras.target = *target_map; + + worker->buff = buffer; + worker->sizeBuff = (&buffer)[1]; /* Points to right after buffer. */ + + return Render_Glyph( RAS_VAR ); + } + + + FT_DEFINE_RASTER_FUNCS( + ft_standard_raster, + + FT_GLYPH_FORMAT_OUTLINE, + + (FT_Raster_New_Func) ft_black_new, /* raster_new */ + (FT_Raster_Reset_Func) ft_black_reset, /* raster_reset */ + (FT_Raster_Set_Mode_Func)ft_black_set_mode, /* raster_set_mode */ + (FT_Raster_Render_Func) ft_black_render, /* raster_render */ + (FT_Raster_Done_Func) ft_black_done /* raster_done */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftraster.h b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftraster.h new file mode 100644 index 00000000000..40b5d6d321c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftraster.h @@ -0,0 +1,46 @@ +/***************************************************************************/ +/* */ +/* ftraster.h */ +/* */ +/* The FreeType glyph rasterizer (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used */ +/* modified and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTRASTER_H_ +#define FTRASTER_H_ + + +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H +#include FT_IMAGE_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* Uncomment the following line if you are using ftraster.c as a */ + /* standalone module, fully independent of FreeType. */ + /* */ +/* #define STANDALONE_ */ + + FT_EXPORT_VAR( const FT_Raster_Funcs ) ft_standard_raster; + + +FT_END_HEADER + +#endif /* FTRASTER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftrend1.c b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftrend1.c new file mode 100644 index 00000000000..a7ce9731d77 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftrend1.c @@ -0,0 +1,204 @@ +/***************************************************************************/ +/* */ +/* ftrend1.c */ +/* */ +/* The FreeType glyph rasterizer interface (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_OUTLINE_H +#include "ftrend1.h" +#include "ftraster.h" +#include "rastpic.h" + +#include "rasterrs.h" + + + /* initialize renderer -- init its raster */ + static FT_Error + ft_raster1_init( FT_Renderer render ) + { + render->clazz->raster_class->raster_reset( render->raster, NULL, 0 ); + + return FT_Err_Ok; + } + + + /* set render-specific mode */ + static FT_Error + ft_raster1_set_mode( FT_Renderer render, + FT_ULong mode_tag, + FT_Pointer data ) + { + /* we simply pass it to the raster */ + return render->clazz->raster_class->raster_set_mode( render->raster, + mode_tag, + data ); + } + + + /* transform a given glyph image */ + static FT_Error + ft_raster1_transform( FT_Renderer render, + FT_GlyphSlot slot, + const FT_Matrix* matrix, + const FT_Vector* delta ) + { + FT_Error error = FT_Err_Ok; + + + if ( slot->format != render->glyph_format ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + if ( matrix ) + FT_Outline_Transform( &slot->outline, matrix ); + + if ( delta ) + FT_Outline_Translate( &slot->outline, delta->x, delta->y ); + + Exit: + return error; + } + + + /* return the glyph's control box */ + static void + ft_raster1_get_cbox( FT_Renderer render, + FT_GlyphSlot slot, + FT_BBox* cbox ) + { + FT_ZERO( cbox ); + + if ( slot->format == render->glyph_format ) + FT_Outline_Get_CBox( &slot->outline, cbox ); + } + + + /* convert a slot's glyph image into a bitmap */ + static FT_Error + ft_raster1_render( FT_Renderer render, + FT_GlyphSlot slot, + FT_Render_Mode mode, + const FT_Vector* origin ) + { + FT_Error error = FT_Err_Ok; + FT_Outline* outline = &slot->outline; + FT_Bitmap* bitmap = &slot->bitmap; + FT_Memory memory = render->root.memory; + FT_Pos x_shift = 0; + FT_Pos y_shift = 0; + + FT_Raster_Params params; + + + /* check glyph image format */ + if ( slot->format != render->glyph_format ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + /* check rendering mode */ + if ( mode != FT_RENDER_MODE_MONO ) + { + /* raster1 is only capable of producing monochrome bitmaps */ + return FT_THROW( Cannot_Render_Glyph ); + } + + /* release old bitmap buffer */ + if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) + { + FT_FREE( bitmap->buffer ); + slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; + } + + ft_glyphslot_preset_bitmap( slot, mode, origin ); + + /* allocate new one */ + if ( FT_ALLOC_MULT( bitmap->buffer, bitmap->rows, bitmap->pitch ) ) + goto Exit; + + slot->internal->flags |= FT_GLYPH_OWN_BITMAP; + + x_shift = -slot->bitmap_left * 64; + y_shift = ( (FT_Int)bitmap->rows - slot->bitmap_top ) * 64; + + if ( origin ) + { + x_shift += origin->x; + y_shift += origin->y; + } + + /* translate outline to render it into the bitmap */ + if ( x_shift || y_shift ) + FT_Outline_Translate( outline, x_shift, y_shift ); + + /* set up parameters */ + params.target = bitmap; + params.source = outline; + params.flags = FT_RASTER_FLAG_DEFAULT; + + /* render outline into the bitmap */ + error = render->raster_render( render->raster, ¶ms ); + + Exit: + if ( !error ) + /* everything is fine; the glyph is now officially a bitmap */ + slot->format = FT_GLYPH_FORMAT_BITMAP; + else if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) + { + FT_FREE( bitmap->buffer ); + slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; + } + + if ( x_shift || y_shift ) + FT_Outline_Translate( outline, -x_shift, -y_shift ); + + return error; + } + + + FT_DEFINE_RENDERER( + ft_raster1_renderer_class, + + FT_MODULE_RENDERER, + sizeof ( FT_RendererRec ), + + "raster1", + 0x10000L, + 0x20000L, + + NULL, /* module specific interface */ + + (FT_Module_Constructor)ft_raster1_init, /* module_init */ + (FT_Module_Destructor) NULL, /* module_done */ + (FT_Module_Requester) NULL, /* get_interface */ + + FT_GLYPH_FORMAT_OUTLINE, + + (FT_Renderer_RenderFunc) ft_raster1_render, /* render_glyph */ + (FT_Renderer_TransformFunc)ft_raster1_transform, /* transform_glyph */ + (FT_Renderer_GetCBoxFunc) ft_raster1_get_cbox, /* get_glyph_cbox */ + (FT_Renderer_SetModeFunc) ft_raster1_set_mode, /* set_mode */ + + (FT_Raster_Funcs*)&FT_STANDARD_RASTER_GET /* raster_class */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftrend1.h b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftrend1.h new file mode 100644 index 00000000000..2abdf2d703b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/raster/ftrend1.h @@ -0,0 +1,38 @@ +/***************************************************************************/ +/* */ +/* ftrend1.h */ +/* */ +/* The FreeType glyph rasterizer interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTREND1_H_ +#define FTREND1_H_ + + +#include <ft2build.h> +#include FT_RENDER_H + + +FT_BEGIN_HEADER + + + FT_DECLARE_RENDERER( ft_raster1_renderer_class ) + + +FT_END_HEADER + +#endif /* FTREND1_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/raster/rasterrs.h b/jdk/src/share/native/sun/awt/libfreetype/src/raster/rasterrs.h new file mode 100644 index 00000000000..22a3e153406 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/raster/rasterrs.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* rasterrs.h */ +/* */ +/* monochrome renderer error codes (specification only). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the monochrome renderer error enumeration */ + /* constants. */ + /* */ + /*************************************************************************/ + +#ifndef RASTERRS_H_ +#define RASTERRS_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX Raster_Err_ +#define FT_ERR_BASE FT_Mod_Err_Raster + +#include FT_ERRORS_H + +#endif /* RASTERRS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/raster/rastpic.c b/jdk/src/share/native/sun/awt/libfreetype/src/raster/rastpic.c new file mode 100644 index 00000000000..1dc8981b8a6 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/raster/rastpic.c @@ -0,0 +1,89 @@ +/***************************************************************************/ +/* */ +/* rastpic.c */ +/* */ +/* The FreeType position independent code services for raster module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "rastpic.h" +#include "rasterrs.h" + + +#ifdef FT_CONFIG_OPTION_PIC + + /* forward declaration of PIC init functions from ftraster.c */ + void + FT_Init_Class_ft_standard_raster( FT_Raster_Funcs* funcs ); + + + void + ft_raster1_renderer_class_pic_free( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Memory memory = library->memory; + + + if ( pic_container->raster ) + { + RasterPIC* container = (RasterPIC*)pic_container->raster; + + + if ( --container->ref_count ) + return; + FT_FREE( container ); + pic_container->raster = NULL; + } + } + + + FT_Error + ft_raster1_renderer_class_pic_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Error error = FT_Err_Ok; + RasterPIC* container = NULL; + FT_Memory memory = library->memory; + + + /* XXX: since this function also served the no longer available */ + /* raster5 renderer it uses reference counting, which could */ + /* be removed now */ + if ( pic_container->raster ) + { + ((RasterPIC*)pic_container->raster)->ref_count++; + return error; + } + + /* allocate pointer, clear and set global container pointer */ + if ( FT_ALLOC( container, sizeof ( *container ) ) ) + return error; + FT_MEM_SET( container, 0, sizeof ( *container ) ); + pic_container->raster = container; + + container->ref_count = 1; + + /* initialize pointer table - */ + /* this is how the module usually expects this data */ + FT_Init_Class_ft_standard_raster( &container->ft_standard_raster ); + + return error; + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/raster/rastpic.h b/jdk/src/share/native/sun/awt/libfreetype/src/raster/rastpic.h new file mode 100644 index 00000000000..6d0877c4239 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/raster/rastpic.h @@ -0,0 +1,63 @@ +/***************************************************************************/ +/* */ +/* rastpic.h */ +/* */ +/* The FreeType position independent code services for raster module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef RASTPIC_H_ +#define RASTPIC_H_ + + +#include FT_INTERNAL_PIC_H + + +FT_BEGIN_HEADER + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_STANDARD_RASTER_GET ft_standard_raster + +#else /* FT_CONFIG_OPTION_PIC */ + + typedef struct RasterPIC_ + { + int ref_count; + FT_Raster_Funcs ft_standard_raster; + + } RasterPIC; + + +#define GET_PIC( lib ) \ + ( (RasterPIC*)( (lib)->pic_container.raster ) ) +#define FT_STANDARD_RASTER_GET ( GET_PIC( library )->ft_standard_raster ) + + + /* see rastpic.c for the implementation */ + void + ft_raster1_renderer_class_pic_free( FT_Library library ); + + FT_Error + ft_raster1_renderer_class_pic_init( FT_Library library ); + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +FT_END_HEADER + +#endif /* RASTPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/pngshim.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/pngshim.c new file mode 100644 index 00000000000..16020266afd --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/pngshim.c @@ -0,0 +1,456 @@ +/***************************************************************************/ +/* */ +/* pngshim.c */ +/* */ +/* PNG Bitmap glyph support. */ +/* */ +/* Copyright 2013-2018 by */ +/* Google, Inc. */ +/* Written by Stuart Gill and Behdad Esfahbod. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TAGS_H +#include FT_CONFIG_STANDARD_LIBRARY_H + + +#if defined( TT_CONFIG_OPTION_EMBEDDED_BITMAPS ) && \ + defined( FT_CONFIG_OPTION_USE_PNG ) + + /* We always include <setjmp.h>, so make libpng shut up! */ +#define PNG_SKIP_SETJMP_CHECK 1 +#include <png.h> +#include "pngshim.h" + +#include "sferrors.h" + + + /* This code is freely based on cairo-png.c. There's so many ways */ + /* to call libpng, and the way cairo does it is defacto standard. */ + + static unsigned int + multiply_alpha( unsigned int alpha, + unsigned int color ) + { + unsigned int temp = alpha * color + 0x80; + + + return ( temp + ( temp >> 8 ) ) >> 8; + } + + + /* Premultiplies data and converts RGBA bytes => BGRA. */ + static void + premultiply_data( png_structp png, + png_row_infop row_info, + png_bytep data ) + { + unsigned int i = 0, limit; + + /* The `vector_size' attribute was introduced in gcc 3.1, which */ + /* predates clang; the `__BYTE_ORDER__' preprocessor symbol was */ + /* introduced in gcc 4.6 and clang 3.2, respectively. */ + /* `__builtin_shuffle' for gcc was introduced in gcc 4.7.0. */ +#if ( ( defined( __GNUC__ ) && \ + ( ( __GNUC__ >= 5 ) || \ + ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 7 ) ) ) ) || \ + ( defined( __clang__ ) && \ + ( ( __clang_major__ >= 4 ) || \ + ( ( __clang_major__ == 3 ) && ( __clang_minor__ >= 2 ) ) ) ) ) && \ + defined( __OPTIMIZE__ ) && \ + __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ + +#ifdef __clang__ + /* the clang documentation doesn't cover the two-argument case of */ + /* `__builtin_shufflevector'; however, it is is implemented since */ + /* version 2.8 */ +#define vector_shuffle __builtin_shufflevector +#else +#define vector_shuffle __builtin_shuffle +#endif + + typedef unsigned short v82 __attribute__(( vector_size( 16 ) )); + + + if ( row_info->rowbytes > 15 ) + { + /* process blocks of 16 bytes in one rush, which gives a nice speed-up */ + limit = row_info->rowbytes - 16 + 1; + for ( ; i < limit; i += 16 ) + { + unsigned char* base = &data[i]; + + v82 s, s0, s1, a; + + /* clang <= 3.9 can't apply scalar values to vectors */ + /* (or rather, it needs a different syntax) */ + v82 n0x80 = { 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 }; + v82 n0xFF = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; + v82 n8 = { 8, 8, 8, 8, 8, 8, 8, 8 }; + + v82 ma = { 1, 1, 3, 3, 5, 5, 7, 7 }; + v82 o1 = { 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF }; + v82 m0 = { 1, 0, 3, 2, 5, 4, 7, 6 }; + + + ft_memcpy( &s, base, 16 ); /* RGBA RGBA RGBA RGBA */ + s0 = s & n0xFF; /* R B R B R B R B */ + s1 = s >> n8; /* G A G A G A G A */ + + a = vector_shuffle( s1, ma ); /* A A A A A A A A */ + s1 |= o1; /* G 1 G 1 G 1 G 1 */ + s0 = vector_shuffle( s0, m0 ); /* B R B R B R B R */ + + s0 *= a; + s1 *= a; + s0 += n0x80; + s1 += n0x80; + s0 = ( s0 + ( s0 >> n8 ) ) >> n8; + s1 = ( s1 + ( s1 >> n8 ) ) >> n8; + + s = s0 | ( s1 << n8 ); + ft_memcpy( base, &s, 16 ); + } + } +#endif /* use `vector_size' */ + + FT_UNUSED( png ); + + limit = row_info->rowbytes; + for ( ; i < limit; i += 4 ) + { + unsigned char* base = &data[i]; + unsigned int alpha = base[3]; + + + if ( alpha == 0 ) + base[0] = base[1] = base[2] = base[3] = 0; + + else + { + unsigned int red = base[0]; + unsigned int green = base[1]; + unsigned int blue = base[2]; + + + if ( alpha != 0xFF ) + { + red = multiply_alpha( alpha, red ); + green = multiply_alpha( alpha, green ); + blue = multiply_alpha( alpha, blue ); + } + + base[0] = (unsigned char)blue; + base[1] = (unsigned char)green; + base[2] = (unsigned char)red; + base[3] = (unsigned char)alpha; + } + } + } + + + /* Converts RGBx bytes to BGRA. */ + static void + convert_bytes_to_data( png_structp png, + png_row_infop row_info, + png_bytep data ) + { + unsigned int i; + + FT_UNUSED( png ); + + + for ( i = 0; i < row_info->rowbytes; i += 4 ) + { + unsigned char* base = &data[i]; + unsigned int red = base[0]; + unsigned int green = base[1]; + unsigned int blue = base[2]; + + + base[0] = (unsigned char)blue; + base[1] = (unsigned char)green; + base[2] = (unsigned char)red; + base[3] = 0xFF; + } + } + + + /* Use error callback to avoid png writing to stderr. */ + static void + error_callback( png_structp png, + png_const_charp error_msg ) + { + FT_Error* error = (FT_Error*)png_get_error_ptr( png ); + + FT_UNUSED( error_msg ); + + + *error = FT_THROW( Out_Of_Memory ); +#ifdef PNG_SETJMP_SUPPORTED + ft_longjmp( png_jmpbuf( png ), 1 ); +#endif + /* if we get here, then we have no choice but to abort ... */ + } + + + /* Use warning callback to avoid png writing to stderr. */ + static void + warning_callback( png_structp png, + png_const_charp error_msg ) + { + FT_UNUSED( png ); + FT_UNUSED( error_msg ); + + /* Just ignore warnings. */ + } + + + static void + read_data_from_FT_Stream( png_structp png, + png_bytep data, + png_size_t length ) + { + FT_Error error; + png_voidp p = png_get_io_ptr( png ); + FT_Stream stream = (FT_Stream)p; + + + if ( FT_FRAME_ENTER( length ) ) + { + FT_Error* e = (FT_Error*)png_get_error_ptr( png ); + + + *e = FT_THROW( Invalid_Stream_Read ); + png_error( png, NULL ); + + return; + } + + ft_memcpy( data, stream->cursor, length ); + + FT_FRAME_EXIT(); + } + + + FT_LOCAL_DEF( FT_Error ) + Load_SBit_Png( FT_GlyphSlot slot, + FT_Int x_offset, + FT_Int y_offset, + FT_Int pix_bits, + TT_SBit_Metrics metrics, + FT_Memory memory, + FT_Byte* data, + FT_UInt png_len, + FT_Bool populate_map_and_metrics, + FT_Bool metrics_only ) + { + FT_Bitmap *map = &slot->bitmap; + FT_Error error = FT_Err_Ok; + FT_StreamRec stream; + + png_structp png; + png_infop info; + png_uint_32 imgWidth, imgHeight; + + int bitdepth, color_type, interlace; + FT_Int i; + png_byte* *rows = NULL; /* pacify compiler */ + + + if ( x_offset < 0 || + y_offset < 0 ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + if ( !populate_map_and_metrics && + ( (FT_UInt)x_offset + metrics->width > map->width || + (FT_UInt)y_offset + metrics->height > map->rows || + pix_bits != 32 || + map->pixel_mode != FT_PIXEL_MODE_BGRA ) ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + FT_Stream_OpenMemory( &stream, data, png_len ); + + png = png_create_read_struct( PNG_LIBPNG_VER_STRING, + &error, + error_callback, + warning_callback ); + if ( !png ) + { + error = FT_THROW( Out_Of_Memory ); + goto Exit; + } + + info = png_create_info_struct( png ); + if ( !info ) + { + error = FT_THROW( Out_Of_Memory ); + png_destroy_read_struct( &png, NULL, NULL ); + goto Exit; + } + + if ( ft_setjmp( png_jmpbuf( png ) ) ) + { + error = FT_THROW( Invalid_File_Format ); + goto DestroyExit; + } + + png_set_read_fn( png, &stream, read_data_from_FT_Stream ); + + png_read_info( png, info ); + png_get_IHDR( png, info, + &imgWidth, &imgHeight, + &bitdepth, &color_type, &interlace, + NULL, NULL ); + + if ( error || + ( !populate_map_and_metrics && + ( (FT_Int)imgWidth != metrics->width || + (FT_Int)imgHeight != metrics->height ) ) ) + goto DestroyExit; + + if ( populate_map_and_metrics ) + { + metrics->width = (FT_UShort)imgWidth; + metrics->height = (FT_UShort)imgHeight; + + map->width = metrics->width; + map->rows = metrics->height; + map->pixel_mode = FT_PIXEL_MODE_BGRA; + map->pitch = (int)( map->width * 4 ); + map->num_grays = 256; + + /* reject too large bitmaps similarly to the rasterizer */ + if ( map->rows > 0x7FFF || map->width > 0x7FFF ) + { + error = FT_THROW( Array_Too_Large ); + goto DestroyExit; + } + } + + /* convert palette/gray image to rgb */ + if ( color_type == PNG_COLOR_TYPE_PALETTE ) + png_set_palette_to_rgb( png ); + + /* expand gray bit depth if needed */ + if ( color_type == PNG_COLOR_TYPE_GRAY ) + { +#if PNG_LIBPNG_VER >= 10209 + png_set_expand_gray_1_2_4_to_8( png ); +#else + png_set_gray_1_2_4_to_8( png ); +#endif + } + + /* transform transparency to alpha */ + if ( png_get_valid(png, info, PNG_INFO_tRNS ) ) + png_set_tRNS_to_alpha( png ); + + if ( bitdepth == 16 ) + png_set_strip_16( png ); + + if ( bitdepth < 8 ) + png_set_packing( png ); + + /* convert grayscale to RGB */ + if ( color_type == PNG_COLOR_TYPE_GRAY || + color_type == PNG_COLOR_TYPE_GRAY_ALPHA ) + png_set_gray_to_rgb( png ); + + if ( interlace != PNG_INTERLACE_NONE ) + png_set_interlace_handling( png ); + + png_set_filler( png, 0xFF, PNG_FILLER_AFTER ); + + /* recheck header after setting EXPAND options */ + png_read_update_info(png, info ); + png_get_IHDR( png, info, + &imgWidth, &imgHeight, + &bitdepth, &color_type, &interlace, + NULL, NULL ); + + if ( bitdepth != 8 || + !( color_type == PNG_COLOR_TYPE_RGB || + color_type == PNG_COLOR_TYPE_RGB_ALPHA ) ) + { + error = FT_THROW( Invalid_File_Format ); + goto DestroyExit; + } + + if ( metrics_only ) + goto DestroyExit; + + switch ( color_type ) + { + default: + /* Shouldn't happen, but fall through. */ + + case PNG_COLOR_TYPE_RGB_ALPHA: + png_set_read_user_transform_fn( png, premultiply_data ); + break; + + case PNG_COLOR_TYPE_RGB: + /* Humm, this smells. Carry on though. */ + png_set_read_user_transform_fn( png, convert_bytes_to_data ); + break; + } + + if ( populate_map_and_metrics ) + { + /* this doesn't overflow: 0x7FFF * 0x7FFF * 4 < 2^32 */ + FT_ULong size = map->rows * (FT_ULong)map->pitch; + + + error = ft_glyphslot_alloc_bitmap( slot, size ); + if ( error ) + goto DestroyExit; + } + + if ( FT_NEW_ARRAY( rows, imgHeight ) ) + { + error = FT_THROW( Out_Of_Memory ); + goto DestroyExit; + } + + for ( i = 0; i < (FT_Int)imgHeight; i++ ) + rows[i] = map->buffer + ( y_offset + i ) * map->pitch + x_offset * 4; + + png_read_image( png, rows ); + + FT_FREE( rows ); + + png_read_end( png, info ); + + DestroyExit: + png_destroy_read_struct( &png, &info, NULL ); + FT_Stream_Close( &stream ); + + Exit: + return error; + } + +#else /* !(TT_CONFIG_OPTION_EMBEDDED_BITMAPS && FT_CONFIG_OPTION_USE_PNG) */ + + /* ANSI C doesn't like empty source files */ + typedef int _pngshim_dummy; + +#endif /* !(TT_CONFIG_OPTION_EMBEDDED_BITMAPS && FT_CONFIG_OPTION_USE_PNG) */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/pngshim.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/pngshim.h new file mode 100644 index 00000000000..194238c3a20 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/pngshim.h @@ -0,0 +1,51 @@ +/***************************************************************************/ +/* */ +/* pngshim.h */ +/* */ +/* PNG Bitmap glyph support. */ +/* */ +/* Copyright 2013-2018 by */ +/* Google, Inc. */ +/* Written by Stuart Gill and Behdad Esfahbod. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef PNGSHIM_H_ +#define PNGSHIM_H_ + + +#include <ft2build.h> +#include "ttload.h" + + +FT_BEGIN_HEADER + +#ifdef FT_CONFIG_OPTION_USE_PNG + + FT_LOCAL( FT_Error ) + Load_SBit_Png( FT_GlyphSlot slot, + FT_Int x_offset, + FT_Int y_offset, + FT_Int pix_bits, + TT_SBit_Metrics metrics, + FT_Memory memory, + FT_Byte* data, + FT_UInt png_len, + FT_Bool populate_map_and_metrics, + FT_Bool metrics_only ); + +#endif + +FT_END_HEADER + +#endif /* PNGSHIM_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfdriver.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfdriver.c new file mode 100644 index 00000000000..303e1ca9f1a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfdriver.c @@ -0,0 +1,1288 @@ +/***************************************************************************/ +/* */ +/* sfdriver.c */ +/* */ +/* High-level SFNT driver interface (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_SFNT_H +#include FT_INTERNAL_OBJECTS_H +#include FT_TRUETYPE_IDS_H + +#include "sfdriver.h" +#include "ttload.h" +#include "sfobjs.h" +#include "sfntpic.h" + +#include "sferrors.h" + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS +#include "ttsbit.h" +#endif + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES +#include "ttpost.h" +#endif + +#ifdef TT_CONFIG_OPTION_BDF +#include "ttbdf.h" +#include FT_SERVICE_BDF_H +#endif + +#include "ttcmap.h" +#include "ttkern.h" +#include "ttmtx.h" + +#include FT_SERVICE_GLYPH_DICT_H +#include FT_SERVICE_POSTSCRIPT_NAME_H +#include FT_SERVICE_SFNT_H +#include FT_SERVICE_TT_CMAP_H + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include FT_MULTIPLE_MASTERS_H +#include FT_SERVICE_MULTIPLE_MASTERS_H +#endif + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_sfdriver + + + /* + * SFNT TABLE SERVICE + * + */ + + static void* + get_sfnt_table( TT_Face face, + FT_Sfnt_Tag tag ) + { + void* table; + + + switch ( tag ) + { + case FT_SFNT_HEAD: + table = &face->header; + break; + + case FT_SFNT_HHEA: + table = &face->horizontal; + break; + + case FT_SFNT_VHEA: + table = face->vertical_info ? &face->vertical : NULL; + break; + + case FT_SFNT_OS2: + table = ( face->os2.version == 0xFFFFU ) ? NULL : &face->os2; + break; + + case FT_SFNT_POST: + table = &face->postscript; + break; + + case FT_SFNT_MAXP: + table = &face->max_profile; + break; + + case FT_SFNT_PCLT: + table = face->pclt.Version ? &face->pclt : NULL; + break; + + default: + table = NULL; + } + + return table; + } + + + static FT_Error + sfnt_table_info( TT_Face face, + FT_UInt idx, + FT_ULong *tag, + FT_ULong *offset, + FT_ULong *length ) + { + if ( !offset || !length ) + return FT_THROW( Invalid_Argument ); + + if ( !tag ) + *length = face->num_tables; + else + { + if ( idx >= face->num_tables ) + return FT_THROW( Table_Missing ); + + *tag = face->dir_tables[idx].Tag; + *offset = face->dir_tables[idx].Offset; + *length = face->dir_tables[idx].Length; + } + + return FT_Err_Ok; + } + + + FT_DEFINE_SERVICE_SFNT_TABLEREC( + sfnt_service_sfnt_table, + + (FT_SFNT_TableLoadFunc)tt_face_load_any, /* load_table */ + (FT_SFNT_TableGetFunc) get_sfnt_table, /* get_table */ + (FT_SFNT_TableInfoFunc)sfnt_table_info /* table_info */ + ) + + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES + + /* + * GLYPH DICT SERVICE + * + */ + + static FT_Error + sfnt_get_glyph_name( FT_Face face, + FT_UInt glyph_index, + FT_Pointer buffer, + FT_UInt buffer_max ) + { + FT_String* gname; + FT_Error error; + + + error = tt_face_get_ps_name( (TT_Face)face, glyph_index, &gname ); + if ( !error ) + FT_STRCPYN( buffer, gname, buffer_max ); + + return error; + } + + + static FT_UInt + sfnt_get_name_index( FT_Face face, + FT_String* glyph_name ) + { + TT_Face ttface = (TT_Face)face; + + FT_UInt i, max_gid = FT_UINT_MAX; + + + if ( face->num_glyphs < 0 ) + return 0; + else if ( (FT_ULong)face->num_glyphs < FT_UINT_MAX ) + max_gid = (FT_UInt)face->num_glyphs; + else + FT_TRACE0(( "Ignore glyph names for invalid GID 0x%08x - 0x%08x\n", + FT_UINT_MAX, face->num_glyphs )); + + for ( i = 0; i < max_gid; i++ ) + { + FT_String* gname; + FT_Error error = tt_face_get_ps_name( ttface, i, &gname ); + + + if ( error ) + continue; + + if ( !ft_strcmp( glyph_name, gname ) ) + return i; + } + + return 0; + } + + + FT_DEFINE_SERVICE_GLYPHDICTREC( + sfnt_service_glyph_dict, + + (FT_GlyphDict_GetNameFunc) sfnt_get_glyph_name, /* get_name */ + (FT_GlyphDict_NameIndexFunc)sfnt_get_name_index /* name_index */ + ) + +#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + + /* + * POSTSCRIPT NAME SERVICE + * + */ + + /* an array representing allowed ASCII characters in a PS string */ + static const unsigned char sfnt_ps_map[16] = + { + /* 4 0 C 8 */ + 0x00, 0x00, /* 0x00: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 */ + 0x00, 0x00, /* 0x10: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 */ + 0xDE, 0x7C, /* 0x20: 1 1 0 1 1 1 1 0 0 1 1 1 1 1 0 0 */ + 0xFF, 0xAF, /* 0x30: 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 */ + 0xFF, 0xFF, /* 0x40: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 */ + 0xFF, 0xD7, /* 0x50: 1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 */ + 0xFF, 0xFF, /* 0x60: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 */ + 0xFF, 0x57 /* 0x70: 1 1 1 1 1 1 1 1 0 1 0 1 0 1 1 1 */ + }; + + + static int + sfnt_is_postscript( int c ) + { + unsigned int cc; + + + if ( c < 0 || c >= 0x80 ) + return 0; + + cc = (unsigned int)c; + + return sfnt_ps_map[cc >> 3] & ( 1 << ( cc & 0x07 ) ); + } + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + /* Only ASCII letters and digits are taken for a variation font */ + /* instance's PostScript name. */ + /* */ + /* `ft_isalnum' is a macro, but we need a function here, thus */ + /* this definition. */ + static int + sfnt_is_alphanumeric( int c ) + { + return ft_isalnum( c ); + } + + + /* the implementation of MurmurHash3 is taken and adapted from */ + /* https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp */ + +#define ROTL32( x, r ) ( x << r ) | ( x >> ( 32 - r ) ) + + + static FT_UInt32 + fmix32( FT_UInt32 h ) + { + h ^= h >> 16; + h *= 0x85ebca6b; + h ^= h >> 13; + h *= 0xc2b2ae35; + h ^= h >> 16; + + return h; + } + + + static void + murmur_hash_3_128( const void* key, + const unsigned int len, + FT_UInt32 seed, + void* out ) + { + const FT_Byte* data = (const FT_Byte*)key; + const int nblocks = (int)len / 16; + + FT_UInt32 h1 = seed; + FT_UInt32 h2 = seed; + FT_UInt32 h3 = seed; + FT_UInt32 h4 = seed; + + const FT_UInt32 c1 = 0x239b961b; + const FT_UInt32 c2 = 0xab0e9789; + const FT_UInt32 c3 = 0x38b34ae5; + const FT_UInt32 c4 = 0xa1e38b93; + + const FT_UInt32* blocks = (const FT_UInt32*)( data + nblocks * 16 ); + + int i; + + + for( i = -nblocks; i; i++ ) + { + FT_UInt32 k1 = blocks[i * 4 + 0]; + FT_UInt32 k2 = blocks[i * 4 + 1]; + FT_UInt32 k3 = blocks[i * 4 + 2]; + FT_UInt32 k4 = blocks[i * 4 + 3]; + + + k1 *= c1; + k1 = ROTL32( k1, 15 ); + k1 *= c2; + h1 ^= k1; + + h1 = ROTL32( h1, 19 ); + h1 += h2; + h1 = h1 * 5 + 0x561ccd1b; + + k2 *= c2; + k2 = ROTL32( k2, 16 ); + k2 *= c3; + h2 ^= k2; + + h2 = ROTL32( h2, 17 ); + h2 += h3; + h2 = h2 * 5 + 0x0bcaa747; + + k3 *= c3; + k3 = ROTL32( k3, 17 ); + k3 *= c4; + h3 ^= k3; + + h3 = ROTL32( h3, 15 ); + h3 += h4; + h3 = h3 * 5 + 0x96cd1c35; + + k4 *= c4; + k4 = ROTL32( k4, 18 ); + k4 *= c1; + h4 ^= k4; + + h4 = ROTL32( h4, 13 ); + h4 += h1; + h4 = h4 * 5 + 0x32ac3b17; + } + + { + const FT_Byte* tail = (const FT_Byte*)( data + nblocks * 16 ); + + FT_UInt32 k1 = 0; + FT_UInt32 k2 = 0; + FT_UInt32 k3 = 0; + FT_UInt32 k4 = 0; + + + switch ( len & 15 ) + { + case 15: + k4 ^= (FT_UInt32)tail[14] << 16; + case 14: + k4 ^= (FT_UInt32)tail[13] << 8; + case 13: + k4 ^= (FT_UInt32)tail[12]; + k4 *= c4; + k4 = ROTL32( k4, 18 ); + k4 *= c1; + h4 ^= k4; + + case 12: + k3 ^= (FT_UInt32)tail[11] << 24; + case 11: + k3 ^= (FT_UInt32)tail[10] << 16; + case 10: + k3 ^= (FT_UInt32)tail[9] << 8; + case 9: + k3 ^= (FT_UInt32)tail[8]; + k3 *= c3; + k3 = ROTL32( k3, 17 ); + k3 *= c4; + h3 ^= k3; + + case 8: + k2 ^= (FT_UInt32)tail[7] << 24; + case 7: + k2 ^= (FT_UInt32)tail[6] << 16; + case 6: + k2 ^= (FT_UInt32)tail[5] << 8; + case 5: + k2 ^= (FT_UInt32)tail[4]; + k2 *= c2; + k2 = ROTL32( k2, 16 ); + k2 *= c3; + h2 ^= k2; + + case 4: + k1 ^= (FT_UInt32)tail[3] << 24; + case 3: + k1 ^= (FT_UInt32)tail[2] << 16; + case 2: + k1 ^= (FT_UInt32)tail[1] << 8; + case 1: + k1 ^= (FT_UInt32)tail[0]; + k1 *= c1; + k1 = ROTL32( k1, 15 ); + k1 *= c2; + h1 ^= k1; + } + } + + h1 ^= len; + h2 ^= len; + h3 ^= len; + h4 ^= len; + + h1 += h2; + h1 += h3; + h1 += h4; + + h2 += h1; + h3 += h1; + h4 += h1; + + h1 = fmix32( h1 ); + h2 = fmix32( h2 ); + h3 = fmix32( h3 ); + h4 = fmix32( h4 ); + + h1 += h2; + h1 += h3; + h1 += h4; + + h2 += h1; + h3 += h1; + h4 += h1; + + ((FT_UInt32*)out)[0] = h1; + ((FT_UInt32*)out)[1] = h2; + ((FT_UInt32*)out)[2] = h3; + ((FT_UInt32*)out)[3] = h4; + } + + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + + typedef int (*char_type_func)( int c ); + + + /* handling of PID/EID 3/0 and 3/1 is the same */ +#define IS_WIN( n ) ( (n)->platformID == 3 && \ + ( (n)->encodingID == 1 || (n)->encodingID == 0 ) && \ + (n)->languageID == 0x409 ) + +#define IS_APPLE( n ) ( (n)->platformID == 1 && \ + (n)->encodingID == 0 && \ + (n)->languageID == 0 ) + + static char* + get_win_string( FT_Memory memory, + FT_Stream stream, + TT_Name entry, + char_type_func char_type, + FT_Bool report_invalid_characters ) + { + FT_Error error = FT_Err_Ok; + + char* result = NULL; + FT_String* r; + FT_Char* p; + FT_UInt len; + + FT_UNUSED( error ); + + + if ( FT_ALLOC( result, entry->stringLength / 2 + 1 ) ) + return NULL; + + if ( FT_STREAM_SEEK( entry->stringOffset ) || + FT_FRAME_ENTER( entry->stringLength ) ) + { + FT_FREE( result ); + entry->stringLength = 0; + entry->stringOffset = 0; + FT_FREE( entry->string ); + + return NULL; + } + + r = (FT_String*)result; + p = (FT_Char*)stream->cursor; + + for ( len = entry->stringLength / 2; len > 0; len--, p += 2 ) + { + if ( p[0] == 0 ) + { + if ( char_type( p[1] ) ) + *r++ = p[1]; + else + { + if ( report_invalid_characters ) + { + FT_TRACE0(( "get_win_string:" + " Character `%c' (0x%X) invalid in PS name string\n", + p[1], p[1] )); + /* it's not the job of FreeType to correct PS names... */ + *r++ = p[1]; + } + } + } + } + *r = '\0'; + + FT_FRAME_EXIT(); + + return result; + } + + + static char* + get_apple_string( FT_Memory memory, + FT_Stream stream, + TT_Name entry, + char_type_func char_type, + FT_Bool report_invalid_characters ) + { + FT_Error error = FT_Err_Ok; + + char* result = NULL; + FT_String* r; + FT_Char* p; + FT_UInt len; + + FT_UNUSED( error ); + + + if ( FT_ALLOC( result, entry->stringLength + 1 ) ) + return NULL; + + if ( FT_STREAM_SEEK( entry->stringOffset ) || + FT_FRAME_ENTER( entry->stringLength ) ) + { + FT_FREE( result ); + entry->stringOffset = 0; + entry->stringLength = 0; + FT_FREE( entry->string ); + + return NULL; + } + + r = (FT_String*)result; + p = (FT_Char*)stream->cursor; + + for ( len = entry->stringLength; len > 0; len--, p++ ) + { + if ( char_type( *p ) ) + *r++ = *p; + else + { + if ( report_invalid_characters ) + { + FT_TRACE0(( "get_apple_string:" + " Character `%c' (0x%X) invalid in PS name string\n", + *p, *p )); + /* it's not the job of FreeType to correct PS names... */ + *r++ = *p; + } + } + } + *r = '\0'; + + FT_FRAME_EXIT(); + + return result; + } + + + static FT_Bool + sfnt_get_name_id( TT_Face face, + FT_UShort id, + FT_Int *win, + FT_Int *apple ) + { + FT_Int n; + + + *win = -1; + *apple = -1; + + for ( n = 0; n < face->num_names; n++ ) + { + TT_Name name = face->name_table.names + n; + + + if ( name->nameID == id && name->stringLength > 0 ) + { + if ( IS_WIN( name ) ) + *win = n; + + if ( IS_APPLE( name ) ) + *apple = n; + } + } + + return ( *win >= 0 ) || ( *apple >= 0 ); + } + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + /* + The maximum length of an axis value descriptor. + + We need 65536 different values for the decimal fraction; this fits + nicely into five decimal places. Consequently, it consists of + + . the minus sign if the number is negative, + . up to five characters for the digits before the decimal point, + . the decimal point if there is a fractional part, and + . up to five characters for the digits after the decimal point. + + We also need one byte for the leading `_' character and up to four + bytes for the axis tag. + */ +#define MAX_VALUE_DESCRIPTOR_LEN ( 1 + 5 + 1 + 5 + 1 + 4 ) + + + /* the maximum length of PostScript font names */ +#define MAX_PS_NAME_LEN 127 + + + /* + * Find the shortest decimal representation of a 16.16 fixed point + * number. The function fills `buf' with the result, returning a pointer + * to the position after the representation's last byte. + */ + + static char* + fixed2float( FT_Int fixed, + char* buf ) + { + char* p; + char* q; + char tmp[5]; + + FT_Int int_part; + FT_Int frac_part; + + FT_Int i; + + + p = buf; + + if ( fixed == 0 ) + { + *p++ = '0'; + return p; + } + + if ( fixed < 0 ) + { + *p++ = '-'; + fixed = -fixed; + } + + int_part = ( fixed >> 16 ) & 0xFFFF; + frac_part = fixed & 0xFFFF; + + /* get digits of integer part (in reverse order) */ + q = tmp; + while ( int_part > 0 ) + { + *q++ = '0' + int_part % 10; + int_part /= 10; + } + + /* copy digits in correct order to buffer */ + while ( q > tmp ) + *p++ = *--q; + + if ( !frac_part ) + return p; + + /* save position of point */ + q = p; + *p++ = '.'; + + /* apply rounding */ + frac_part = frac_part * 10 + 5; + + /* get digits of fractional part */ + for ( i = 0; i < 5; i++ ) + { + *p++ = '0' + (char)( frac_part / 0x10000L ); + + frac_part %= 0x10000L; + if ( !frac_part ) + break; + + frac_part *= 10; + } + + /* + If the remainder stored in `frac_part' (after the last FOR loop) is + smaller than 34480*10, the resulting decimal value minus 0.00001 is + an equivalent representation of `fixed'. + + The above FOR loop always finds the larger of the two values; I + verified this by iterating over all possible fixed point numbers. + + If the remainder is 17232*10, both values are equally good, and we + take the next even number (following IEEE 754's `round to nearest, + ties to even' rounding rule). + + If the remainder is smaller than 17232*10, the lower of the two + numbers is nearer to the exact result (values 17232 and 34480 were + also found by testing all possible fixed point values). + + We use this to find a shorter decimal representation. If not ending + with digit zero, we take the representation with less error. + */ + p--; + if ( p - q == 5 ) /* five digits? */ + { + /* take the representation that has zero as the last digit */ + if ( frac_part < 34480 * 10 && + *p == '1' ) + *p = '0'; + + /* otherwise use the one with less error */ + else if ( frac_part == 17232 * 10 && + *p & 1 ) + *p -= 1; + + else if ( frac_part < 17232 * 10 && + *p != '0' ) + *p -= 1; + } + + /* remove trailing zeros */ + while ( *p == '0' ) + *p-- = '\0'; + + return p + 1; + } + + + static const char hexdigits[16] = + { + '0', '1', '2', '3', '4', '5', '6', '7', + '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' + }; + + + static const char* + sfnt_get_var_ps_name( TT_Face face ) + { + FT_Error error; + FT_Memory memory = face->root.memory; + + FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm; + + FT_UInt num_coords; + FT_Fixed* coords; + FT_MM_Var* mm_var; + + FT_Int found, win, apple; + FT_UInt i, j; + + char* result = NULL; + char* p; + + + if ( !face->var_postscript_prefix ) + { + FT_UInt len; + + + /* check whether we have a Variations PostScript Name Prefix */ + found = sfnt_get_name_id( face, + TT_NAME_ID_VARIATIONS_PREFIX, + &win, + &apple ); + if ( !found ) + { + /* otherwise use the typographic family name */ + found = sfnt_get_name_id( face, + TT_NAME_ID_TYPOGRAPHIC_FAMILY, + &win, + &apple ); + } + + if ( !found ) + { + /* as a last resort we try the family name; note that this is */ + /* not in the Adobe TechNote, but GX fonts (which predate the */ + /* TechNote) benefit from this behaviour */ + found = sfnt_get_name_id( face, + TT_NAME_ID_FONT_FAMILY, + &win, + &apple ); + } + + if ( !found ) + { + FT_TRACE0(( "sfnt_get_var_ps_name:" + " Can't construct PS name prefix for font instances\n" )); + return NULL; + } + + /* prefer Windows entries over Apple */ + if ( win != -1 ) + result = get_win_string( face->root.memory, + face->name_table.stream, + face->name_table.names + win, + sfnt_is_alphanumeric, + 0 ); + else + result = get_apple_string( face->root.memory, + face->name_table.stream, + face->name_table.names + apple, + sfnt_is_alphanumeric, + 0 ); + + len = ft_strlen( result ); + + /* sanitize if necessary; we reserve space for 36 bytes (a 128bit */ + /* checksum as a hex number, preceded by `-' and followed by three */ + /* ASCII dots, to be used if the constructed PS name would be too */ + /* long); this is also sufficient for a single instance */ + if ( len > MAX_PS_NAME_LEN - ( 1 + 32 + 3 ) ) + { + len = MAX_PS_NAME_LEN - ( 1 + 32 + 3 ); + result[len] = '\0'; + + FT_TRACE0(( "sfnt_get_var_ps_name:" + " Shortening variation PS name prefix\n" + " " + " to %d characters\n", len )); + } + + face->var_postscript_prefix = result; + face->var_postscript_prefix_len = len; + } + + mm->get_var_blend( FT_FACE( face ), + &num_coords, + &coords, + NULL, + &mm_var ); + + if ( FT_IS_NAMED_INSTANCE( FT_FACE( face ) ) && + !FT_IS_VARIATION( FT_FACE( face ) ) ) + { + SFNT_Service sfnt = (SFNT_Service)face->sfnt; + + FT_Long instance = ( ( face->root.face_index & 0x7FFF0000L ) >> 16 ) - 1; + FT_UInt psid = mm_var->namedstyle[instance].psid; + + char* ps_name = NULL; + + + /* try first to load the name string with index `postScriptNameID' */ + if ( psid == 6 || + ( psid > 255 && psid < 32768 ) ) + (void)sfnt->get_name( face, (FT_UShort)psid, &ps_name ); + + if ( ps_name ) + { + result = ps_name; + p = result + ft_strlen( result ) + 1; + + goto check_length; + } + else + { + /* otherwise construct a name using `subfamilyNameID' */ + FT_UInt strid = mm_var->namedstyle[instance].strid; + + char* subfamily_name; + char* s; + + + (void)sfnt->get_name( face, (FT_UShort)strid, &subfamily_name ); + + if ( !subfamily_name ) + { + FT_TRACE1(( "sfnt_get_var_ps_name:" + " can't construct named instance PS name;\n" + " " + " trying to construct normal instance PS name\n" )); + goto construct_instance_name; + } + + /* after the prefix we have character `-' followed by the */ + /* subfamily name (using only characters a-z, A-Z, and 0-9) */ + if ( FT_ALLOC( result, face->var_postscript_prefix_len + + 1 + ft_strlen( subfamily_name ) + 1 ) ) + return NULL; + + ft_strcpy( result, face->var_postscript_prefix ); + + p = result + face->var_postscript_prefix_len; + *p++ = '-'; + + s = subfamily_name; + while ( *s ) + { + if ( ft_isalnum( *s ) ) + *p++ = *s; + s++; + } + *p++ = '\0'; + + FT_FREE( subfamily_name ); + } + } + else + { + FT_Var_Axis* axis; + + + construct_instance_name: + axis = mm_var->axis; + + if ( FT_ALLOC( result, + face->var_postscript_prefix_len + + num_coords * MAX_VALUE_DESCRIPTOR_LEN + 1 ) ) + return NULL; + + p = result; + + ft_strcpy( p, face->var_postscript_prefix ); + p += face->var_postscript_prefix_len; + + for ( i = 0; i < num_coords; i++, coords++, axis++ ) + { + char t; + + + /* omit axis value descriptor if it is identical */ + /* to the default axis value */ + if ( *coords == axis->def ) + continue; + + *p++ = '_'; + p = fixed2float( *coords, p ); + + t = (char)( axis->tag >> 24 ); + if ( t != ' ' && ft_isalnum( t ) ) + *p++ = t; + t = (char)( axis->tag >> 16 ); + if ( t != ' ' && ft_isalnum( t ) ) + *p++ = t; + t = (char)( axis->tag >> 8 ); + if ( t != ' ' && ft_isalnum( t ) ) + *p++ = t; + t = (char)axis->tag; + if ( t != ' ' && ft_isalnum( t ) ) + *p++ = t; + } + } + + check_length: + if ( p - result > MAX_PS_NAME_LEN ) + { + /* the PS name is too long; replace the part after the prefix with */ + /* a checksum; we use MurmurHash 3 with a hash length of 128 bit */ + + FT_UInt32 seed = 123456789; + + FT_UInt32 hash[4]; + FT_UInt32* h; + + + murmur_hash_3_128( result, p - result, seed, hash ); + + p = result + face->var_postscript_prefix_len; + *p++ = '-'; + + /* we convert the hash value to hex digits from back to front */ + p += 32 + 3; + h = hash + 3; + + *p-- = '\0'; + *p-- = '.'; + *p-- = '.'; + *p-- = '.'; + + for ( i = 0; i < 4; i++, h-- ) + { + FT_UInt32 v = *h; + + + for ( j = 0; j < 8; j++ ) + { + *p-- = hexdigits[v & 0xF]; + v >>= 4; + } + } + } + + return result; + } + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + + static const char* + sfnt_get_ps_name( TT_Face face ) + { + FT_Int found, win, apple; + const char* result = NULL; + + + if ( face->postscript_name ) + return face->postscript_name; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + if ( face->blend && + ( FT_IS_NAMED_INSTANCE( FT_FACE( face ) ) || + FT_IS_VARIATION( FT_FACE( face ) ) ) ) + { + face->postscript_name = sfnt_get_var_ps_name( face ); + return face->postscript_name; + } +#endif + + /* scan the name table to see whether we have a Postscript name here, */ + /* either in Macintosh or Windows platform encodings */ + found = sfnt_get_name_id( face, TT_NAME_ID_PS_NAME, &win, &apple ); + if ( !found ) + return NULL; + + /* prefer Windows entries over Apple */ + if ( win != -1 ) + result = get_win_string( face->root.memory, + face->name_table.stream, + face->name_table.names + win, + sfnt_is_postscript, + 1 ); + else + result = get_apple_string( face->root.memory, + face->name_table.stream, + face->name_table.names + apple, + sfnt_is_postscript, + 1 ); + + face->postscript_name = result; + + return result; + } + + + FT_DEFINE_SERVICE_PSFONTNAMEREC( + sfnt_service_ps_name, + + (FT_PsName_GetFunc)sfnt_get_ps_name /* get_ps_font_name */ + ) + + + /* + * TT CMAP INFO + */ + FT_DEFINE_SERVICE_TTCMAPSREC( + tt_service_get_cmap_info, + + (TT_CMap_Info_GetFunc)tt_get_cmap_info /* get_cmap_info */ + ) + + +#ifdef TT_CONFIG_OPTION_BDF + + static FT_Error + sfnt_get_charset_id( TT_Face face, + const char* *acharset_encoding, + const char* *acharset_registry ) + { + BDF_PropertyRec encoding, registry; + FT_Error error; + + + /* XXX: I don't know whether this is correct, since + * tt_face_find_bdf_prop only returns something correct if we have + * previously selected a size that is listed in the BDF table. + * Should we change the BDF table format to include single offsets + * for `CHARSET_REGISTRY' and `CHARSET_ENCODING'? + */ + error = tt_face_find_bdf_prop( face, "CHARSET_REGISTRY", ®istry ); + if ( !error ) + { + error = tt_face_find_bdf_prop( face, "CHARSET_ENCODING", &encoding ); + if ( !error ) + { + if ( registry.type == BDF_PROPERTY_TYPE_ATOM && + encoding.type == BDF_PROPERTY_TYPE_ATOM ) + { + *acharset_encoding = encoding.u.atom; + *acharset_registry = registry.u.atom; + } + else + error = FT_THROW( Invalid_Argument ); + } + } + + return error; + } + + + FT_DEFINE_SERVICE_BDFRec( + sfnt_service_bdf, + + (FT_BDF_GetCharsetIdFunc)sfnt_get_charset_id, /* get_charset_id */ + (FT_BDF_GetPropertyFunc) tt_face_find_bdf_prop /* get_property */ + ) + + +#endif /* TT_CONFIG_OPTION_BDF */ + + + /* + * SERVICE LIST + */ + +#if defined TT_CONFIG_OPTION_POSTSCRIPT_NAMES && defined TT_CONFIG_OPTION_BDF + FT_DEFINE_SERVICEDESCREC5( + sfnt_services, + + FT_SERVICE_ID_SFNT_TABLE, &SFNT_SERVICE_SFNT_TABLE_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &SFNT_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_GLYPH_DICT, &SFNT_SERVICE_GLYPH_DICT_GET, + FT_SERVICE_ID_BDF, &SFNT_SERVICE_BDF_GET, + FT_SERVICE_ID_TT_CMAP, &TT_SERVICE_CMAP_INFO_GET ) +#elif defined TT_CONFIG_OPTION_POSTSCRIPT_NAMES + FT_DEFINE_SERVICEDESCREC4( + sfnt_services, + + FT_SERVICE_ID_SFNT_TABLE, &SFNT_SERVICE_SFNT_TABLE_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &SFNT_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_GLYPH_DICT, &SFNT_SERVICE_GLYPH_DICT_GET, + FT_SERVICE_ID_TT_CMAP, &TT_SERVICE_CMAP_INFO_GET ) +#elif defined TT_CONFIG_OPTION_BDF + FT_DEFINE_SERVICEDESCREC4( + sfnt_services, + + FT_SERVICE_ID_SFNT_TABLE, &SFNT_SERVICE_SFNT_TABLE_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &SFNT_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_BDF, &SFNT_SERVICE_BDF_GET, + FT_SERVICE_ID_TT_CMAP, &TT_SERVICE_CMAP_INFO_GET ) +#else + FT_DEFINE_SERVICEDESCREC3( + sfnt_services, + + FT_SERVICE_ID_SFNT_TABLE, &SFNT_SERVICE_SFNT_TABLE_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &SFNT_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_TT_CMAP, &TT_SERVICE_CMAP_INFO_GET ) +#endif + + + FT_CALLBACK_DEF( FT_Module_Interface ) + sfnt_get_interface( FT_Module module, + const char* module_interface ) + { + /* SFNT_SERVICES_GET dereferences `library' in PIC mode */ +#ifdef FT_CONFIG_OPTION_PIC + FT_Library library; + + + if ( !module ) + return NULL; + library = module->library; + if ( !library ) + return NULL; +#else + FT_UNUSED( module ); +#endif + + return ft_service_list_lookup( SFNT_SERVICES_GET, module_interface ); + } + + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS +#define PUT_EMBEDDED_BITMAPS( a ) a +#else +#define PUT_EMBEDDED_BITMAPS( a ) NULL +#endif + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES +#define PUT_PS_NAMES( a ) a +#else +#define PUT_PS_NAMES( a ) NULL +#endif + + FT_DEFINE_SFNT_INTERFACE( + sfnt_interface, + + tt_face_goto_table, /* TT_Loader_GotoTableFunc goto_table */ + + sfnt_init_face, /* TT_Init_Face_Func init_face */ + sfnt_load_face, /* TT_Load_Face_Func load_face */ + sfnt_done_face, /* TT_Done_Face_Func done_face */ + sfnt_get_interface, /* FT_Module_Requester get_interface */ + + tt_face_load_any, /* TT_Load_Any_Func load_any */ + + tt_face_load_head, /* TT_Load_Table_Func load_head */ + tt_face_load_hhea, /* TT_Load_Metrics_Func load_hhea */ + tt_face_load_cmap, /* TT_Load_Table_Func load_cmap */ + tt_face_load_maxp, /* TT_Load_Table_Func load_maxp */ + tt_face_load_os2, /* TT_Load_Table_Func load_os2 */ + tt_face_load_post, /* TT_Load_Table_Func load_post */ + + tt_face_load_name, /* TT_Load_Table_Func load_name */ + tt_face_free_name, /* TT_Free_Table_Func free_name */ + + tt_face_load_kern, /* TT_Load_Table_Func load_kern */ + tt_face_load_gasp, /* TT_Load_Table_Func load_gasp */ + tt_face_load_pclt, /* TT_Load_Table_Func load_init */ + + /* see `ttload.h' */ + PUT_EMBEDDED_BITMAPS( tt_face_load_bhed ), + /* TT_Load_Table_Func load_bhed */ + PUT_EMBEDDED_BITMAPS( tt_face_load_sbit_image ), + /* TT_Load_SBit_Image_Func load_sbit_image */ + + /* see `ttpost.h' */ + PUT_PS_NAMES( tt_face_get_ps_name ), + /* TT_Get_PS_Name_Func get_psname */ + PUT_PS_NAMES( tt_face_free_ps_names ), + /* TT_Free_Table_Func free_psnames */ + + /* since version 2.1.8 */ + tt_face_get_kerning, /* TT_Face_GetKerningFunc get_kerning */ + + /* since version 2.2 */ + tt_face_load_font_dir, /* TT_Load_Table_Func load_font_dir */ + tt_face_load_hmtx, /* TT_Load_Metrics_Func load_hmtx */ + + /* see `ttsbit.h' and `sfnt.h' */ + PUT_EMBEDDED_BITMAPS( tt_face_load_sbit ), + /* TT_Load_Table_Func load_eblc */ + PUT_EMBEDDED_BITMAPS( tt_face_free_sbit ), + /* TT_Free_Table_Func free_eblc */ + + PUT_EMBEDDED_BITMAPS( tt_face_set_sbit_strike ), + /* TT_Set_SBit_Strike_Func set_sbit_strike */ + PUT_EMBEDDED_BITMAPS( tt_face_load_strike_metrics ), + /* TT_Load_Strike_Metrics_Func load_strike_metrics */ + + tt_face_get_metrics, /* TT_Get_Metrics_Func get_metrics */ + + tt_face_get_name, /* TT_Get_Name_Func get_name */ + sfnt_get_name_id /* TT_Get_Name_ID_Func get_name_id */ + ) + + + FT_DEFINE_MODULE( + sfnt_module_class, + + 0, /* not a font driver or renderer */ + sizeof ( FT_ModuleRec ), + + "sfnt", /* driver name */ + 0x10000L, /* driver version 1.0 */ + 0x20000L, /* driver requires FreeType 2.0 or higher */ + + (const void*)&SFNT_INTERFACE_GET, /* module specific interface */ + + (FT_Module_Constructor)NULL, /* module_init */ + (FT_Module_Destructor) NULL, /* module_done */ + (FT_Module_Requester) sfnt_get_interface /* get_interface */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfdriver.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfdriver.h new file mode 100644 index 00000000000..81c22d28870 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfdriver.h @@ -0,0 +1,38 @@ +/***************************************************************************/ +/* */ +/* sfdriver.h */ +/* */ +/* High-level SFNT driver interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SFDRIVER_H_ +#define SFDRIVER_H_ + + +#include <ft2build.h> +#include FT_MODULE_H + + +FT_BEGIN_HEADER + + + FT_DECLARE_MODULE( sfnt_module_class ) + + +FT_END_HEADER + +#endif /* SFDRIVER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sferrors.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sferrors.h new file mode 100644 index 00000000000..74003d4b38c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sferrors.h @@ -0,0 +1,41 @@ +/***************************************************************************/ +/* */ +/* sferrors.h */ +/* */ +/* SFNT error codes (specification only). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the SFNT error enumeration constants. */ + /* */ + /*************************************************************************/ + +#ifndef SFERRORS_H_ +#define SFERRORS_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX SFNT_Err_ +#define FT_ERR_BASE FT_Mod_Err_SFNT + +#include FT_ERRORS_H + +#endif /* SFERRORS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfntpic.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfntpic.c new file mode 100644 index 00000000000..db2d816ce68 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfntpic.c @@ -0,0 +1,143 @@ +/***************************************************************************/ +/* */ +/* sfntpic.c */ +/* */ +/* The FreeType position independent code services for sfnt module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "sfntpic.h" +#include "sferrors.h" + + +#ifdef FT_CONFIG_OPTION_PIC + + /* forward declaration of PIC init functions from sfdriver.c */ + FT_Error + FT_Create_Class_sfnt_services( FT_Library library, + FT_ServiceDescRec** output_class ); + void + FT_Destroy_Class_sfnt_services( FT_Library library, + FT_ServiceDescRec* clazz ); + void + FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec* clazz ); + void + FT_Init_Class_sfnt_interface( FT_Library library, + SFNT_Interface* clazz ); + void + FT_Init_Class_sfnt_service_glyph_dict( + FT_Library library, + FT_Service_GlyphDictRec* clazz ); + void + FT_Init_Class_sfnt_service_ps_name( + FT_Library library, + FT_Service_PsFontNameRec* clazz ); + void + FT_Init_Class_tt_service_get_cmap_info( + FT_Library library, + FT_Service_TTCMapsRec* clazz ); + void + FT_Init_Class_sfnt_service_sfnt_table( + FT_Service_SFNT_TableRec* clazz ); + + + /* forward declaration of PIC init functions from ttcmap.c */ + FT_Error + FT_Create_Class_tt_cmap_classes( FT_Library library, + TT_CMap_Class** output_class ); + void + FT_Destroy_Class_tt_cmap_classes( FT_Library library, + TT_CMap_Class* clazz ); + + + void + sfnt_module_class_pic_free( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Memory memory = library->memory; + + + if ( pic_container->sfnt ) + { + sfntModulePIC* container = (sfntModulePIC*)pic_container->sfnt; + + + if ( container->sfnt_services ) + FT_Destroy_Class_sfnt_services( library, + container->sfnt_services ); + container->sfnt_services = NULL; + + if ( container->tt_cmap_classes ) + FT_Destroy_Class_tt_cmap_classes( library, + container->tt_cmap_classes ); + container->tt_cmap_classes = NULL; + + FT_FREE( container ); + pic_container->sfnt = NULL; + } + } + + + FT_Error + sfnt_module_class_pic_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Error error = FT_Err_Ok; + sfntModulePIC* container = NULL; + FT_Memory memory = library->memory; + + + /* allocate pointer, clear and set global container pointer */ + if ( FT_ALLOC( container, sizeof ( *container ) ) ) + return error; + FT_MEM_SET( container, 0, sizeof ( *container ) ); + pic_container->sfnt = container; + + /* initialize pointer table - */ + /* this is how the module usually expects this data */ + error = FT_Create_Class_sfnt_services( library, + &container->sfnt_services ); + if ( error ) + goto Exit; + + error = FT_Create_Class_tt_cmap_classes( library, + &container->tt_cmap_classes ); + if ( error ) + goto Exit; + + FT_Init_Class_sfnt_service_glyph_dict( + library, &container->sfnt_service_glyph_dict ); + FT_Init_Class_sfnt_service_ps_name( + library, &container->sfnt_service_ps_name ); + FT_Init_Class_tt_service_get_cmap_info( + library, &container->tt_service_get_cmap_info ); + FT_Init_Class_sfnt_service_sfnt_table( + &container->sfnt_service_sfnt_table ); +#ifdef TT_CONFIG_OPTION_BDF + FT_Init_Class_sfnt_service_bdf( &container->sfnt_service_bdf ); +#endif + FT_Init_Class_sfnt_interface( library, &container->sfnt_interface ); + + Exit: + if ( error ) + sfnt_module_class_pic_free( library ); + return error; + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfntpic.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfntpic.h new file mode 100644 index 00000000000..8f43122d81b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfntpic.h @@ -0,0 +1,112 @@ +/***************************************************************************/ +/* */ +/* sfntpic.h */ +/* */ +/* The FreeType position independent code services for sfnt module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SFNTPIC_H_ +#define SFNTPIC_H_ + + +#include FT_INTERNAL_PIC_H + + +#ifndef FT_CONFIG_OPTION_PIC + +#define SFNT_SERVICES_GET sfnt_services +#define SFNT_SERVICE_GLYPH_DICT_GET sfnt_service_glyph_dict +#define SFNT_SERVICE_PS_NAME_GET sfnt_service_ps_name +#define TT_SERVICE_CMAP_INFO_GET tt_service_get_cmap_info +#define TT_CMAP_CLASSES_GET tt_cmap_classes +#define SFNT_SERVICE_SFNT_TABLE_GET sfnt_service_sfnt_table +#define SFNT_SERVICE_BDF_GET sfnt_service_bdf +#define SFNT_INTERFACE_GET sfnt_interface + +#else /* FT_CONFIG_OPTION_PIC */ + + /* some include files required for members of sfntModulePIC */ +#include FT_SERVICE_GLYPH_DICT_H +#include FT_SERVICE_POSTSCRIPT_NAME_H +#include FT_SERVICE_SFNT_H +#include FT_SERVICE_TT_CMAP_H + +#ifdef TT_CONFIG_OPTION_BDF +#include "ttbdf.h" +#include FT_SERVICE_BDF_H +#endif + +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_SFNT_H +#include "ttcmap.h" + + +FT_BEGIN_HEADER + + typedef struct sfntModulePIC_ + { + FT_ServiceDescRec* sfnt_services; + FT_Service_GlyphDictRec sfnt_service_glyph_dict; + FT_Service_PsFontNameRec sfnt_service_ps_name; + FT_Service_TTCMapsRec tt_service_get_cmap_info; + TT_CMap_Class* tt_cmap_classes; + FT_Service_SFNT_TableRec sfnt_service_sfnt_table; +#ifdef TT_CONFIG_OPTION_BDF + FT_Service_BDFRec sfnt_service_bdf; +#endif + SFNT_Interface sfnt_interface; + + } sfntModulePIC; + + +#define GET_PIC( lib ) \ + ( (sfntModulePIC*)( (lib)->pic_container.sfnt ) ) + +#define SFNT_SERVICES_GET \ + ( GET_PIC( library )->sfnt_services ) +#define SFNT_SERVICE_GLYPH_DICT_GET \ + ( GET_PIC( library )->sfnt_service_glyph_dict ) +#define SFNT_SERVICE_PS_NAME_GET \ + ( GET_PIC( library )->sfnt_service_ps_name ) +#define TT_SERVICE_CMAP_INFO_GET \ + ( GET_PIC( library )->tt_service_get_cmap_info ) +#define TT_CMAP_CLASSES_GET \ + ( GET_PIC( library )->tt_cmap_classes ) +#define SFNT_SERVICE_SFNT_TABLE_GET \ + ( GET_PIC( library )->sfnt_service_sfnt_table ) +#define SFNT_SERVICE_BDF_GET \ + ( GET_PIC( library )->sfnt_service_bdf ) +#define SFNT_INTERFACE_GET \ + ( GET_PIC( library )->sfnt_interface ) + + + /* see sfntpic.c for the implementation */ + void + sfnt_module_class_pic_free( FT_Library library ); + + FT_Error + sfnt_module_class_pic_init( FT_Library library ); + + +FT_END_HEADER + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +#endif /* SFNTPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfobjs.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfobjs.c new file mode 100644 index 00000000000..0c917030f37 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfobjs.c @@ -0,0 +1,1795 @@ +/***************************************************************************/ +/* */ +/* sfobjs.c */ +/* */ +/* SFNT object management (base). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include "sfobjs.h" +#include "ttload.h" +#include "ttcmap.h" +#include "ttkern.h" +#include FT_INTERNAL_SFNT_H +#include FT_INTERNAL_DEBUG_H +#include FT_TRUETYPE_IDS_H +#include FT_TRUETYPE_TAGS_H +#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include FT_SFNT_NAMES_H +#include FT_GZIP_H + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include FT_SERVICE_MULTIPLE_MASTERS_H +#include FT_SERVICE_METRICS_VARIATIONS_H +#endif + +#include "sferrors.h" + +#ifdef TT_CONFIG_OPTION_BDF +#include "ttbdf.h" +#endif + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_sfobjs + + + + /* convert a UTF-16 name entry to ASCII */ + static FT_String* + tt_name_ascii_from_utf16( TT_Name entry, + FT_Memory memory ) + { + FT_String* string = NULL; + FT_UInt len, code, n; + FT_Byte* read = (FT_Byte*)entry->string; + FT_Error error; + + + len = (FT_UInt)entry->stringLength / 2; + + if ( FT_NEW_ARRAY( string, len + 1 ) ) + return NULL; + + for ( n = 0; n < len; n++ ) + { + code = FT_NEXT_USHORT( read ); + + if ( code == 0 ) + break; + + if ( code < 32 || code > 127 ) + code = '?'; + + string[n] = (char)code; + } + + string[n] = 0; + + return string; + } + + + /* convert an Apple Roman or symbol name entry to ASCII */ + static FT_String* + tt_name_ascii_from_other( TT_Name entry, + FT_Memory memory ) + { + FT_String* string = NULL; + FT_UInt len, code, n; + FT_Byte* read = (FT_Byte*)entry->string; + FT_Error error; + + + len = (FT_UInt)entry->stringLength; + + if ( FT_NEW_ARRAY( string, len + 1 ) ) + return NULL; + + for ( n = 0; n < len; n++ ) + { + code = *read++; + + if ( code == 0 ) + break; + + if ( code < 32 || code > 127 ) + code = '?'; + + string[n] = (char)code; + } + + string[n] = 0; + + return string; + } + + + typedef FT_String* (*TT_Name_ConvertFunc)( TT_Name entry, + FT_Memory memory ); + + + /* documentation is in sfnt.h */ + + FT_LOCAL_DEF( FT_Error ) + tt_face_get_name( TT_Face face, + FT_UShort nameid, + FT_String** name ) + { + FT_Memory memory = face->root.memory; + FT_Error error = FT_Err_Ok; + FT_String* result = NULL; + FT_UShort n; + TT_Name rec; + + FT_Int found_apple = -1; + FT_Int found_apple_roman = -1; + FT_Int found_apple_english = -1; + FT_Int found_win = -1; + FT_Int found_unicode = -1; + + FT_Bool is_english = 0; + + TT_Name_ConvertFunc convert; + + + FT_ASSERT( name ); + + rec = face->name_table.names; + for ( n = 0; n < face->num_names; n++, rec++ ) + { + /* According to the OpenType 1.3 specification, only Microsoft or */ + /* Apple platform IDs might be used in the `name' table. The */ + /* `Unicode' platform is reserved for the `cmap' table, and the */ + /* `ISO' one is deprecated. */ + /* */ + /* However, the Apple TrueType specification doesn't say the same */ + /* thing and goes to suggest that all Unicode `name' table entries */ + /* should be coded in UTF-16 (in big-endian format I suppose). */ + /* */ + if ( rec->nameID == nameid && rec->stringLength > 0 ) + { + switch ( rec->platformID ) + { + case TT_PLATFORM_APPLE_UNICODE: + case TT_PLATFORM_ISO: + /* there is `languageID' to check there. We should use this */ + /* field only as a last solution when nothing else is */ + /* available. */ + /* */ + found_unicode = n; + break; + + case TT_PLATFORM_MACINTOSH: + /* This is a bit special because some fonts will use either */ + /* an English language id, or a Roman encoding id, to indicate */ + /* the English version of its font name. */ + /* */ + if ( rec->languageID == TT_MAC_LANGID_ENGLISH ) + found_apple_english = n; + else if ( rec->encodingID == TT_MAC_ID_ROMAN ) + found_apple_roman = n; + break; + + case TT_PLATFORM_MICROSOFT: + /* we only take a non-English name when there is nothing */ + /* else available in the font */ + /* */ + if ( found_win == -1 || ( rec->languageID & 0x3FF ) == 0x009 ) + { + switch ( rec->encodingID ) + { + case TT_MS_ID_SYMBOL_CS: + case TT_MS_ID_UNICODE_CS: + case TT_MS_ID_UCS_4: + is_english = FT_BOOL( ( rec->languageID & 0x3FF ) == 0x009 ); + found_win = n; + break; + + default: + ; + } + } + break; + + default: + ; + } + } + } + + found_apple = found_apple_roman; + if ( found_apple_english >= 0 ) + found_apple = found_apple_english; + + /* some fonts contain invalid Unicode or Macintosh formatted entries; */ + /* we will thus favor names encoded in Windows formats if available */ + /* (provided it is an English name) */ + /* */ + convert = NULL; + if ( found_win >= 0 && !( found_apple >= 0 && !is_english ) ) + { + rec = face->name_table.names + found_win; + switch ( rec->encodingID ) + { + /* all Unicode strings are encoded using UTF-16BE */ + case TT_MS_ID_UNICODE_CS: + case TT_MS_ID_SYMBOL_CS: + convert = tt_name_ascii_from_utf16; + break; + + case TT_MS_ID_UCS_4: + /* Apparently, if this value is found in a name table entry, it is */ + /* documented as `full Unicode repertoire'. Experience with the */ + /* MsGothic font shipped with Windows Vista shows that this really */ + /* means UTF-16 encoded names (UCS-4 values are only used within */ + /* charmaps). */ + convert = tt_name_ascii_from_utf16; + break; + + default: + ; + } + } + else if ( found_apple >= 0 ) + { + rec = face->name_table.names + found_apple; + convert = tt_name_ascii_from_other; + } + else if ( found_unicode >= 0 ) + { + rec = face->name_table.names + found_unicode; + convert = tt_name_ascii_from_utf16; + } + + if ( rec && convert ) + { + if ( !rec->string ) + { + FT_Stream stream = face->name_table.stream; + + + if ( FT_QNEW_ARRAY ( rec->string, rec->stringLength ) || + FT_STREAM_SEEK( rec->stringOffset ) || + FT_STREAM_READ( rec->string, rec->stringLength ) ) + { + FT_FREE( rec->string ); + rec->stringLength = 0; + result = NULL; + goto Exit; + } + } + + result = convert( rec, memory ); + } + + Exit: + *name = result; + return error; + } + + + static FT_Encoding + sfnt_find_encoding( int platform_id, + int encoding_id ) + { + typedef struct TEncoding_ + { + int platform_id; + int encoding_id; + FT_Encoding encoding; + + } TEncoding; + + static + const TEncoding tt_encodings[] = + { + { TT_PLATFORM_ISO, -1, FT_ENCODING_UNICODE }, + + { TT_PLATFORM_APPLE_UNICODE, -1, FT_ENCODING_UNICODE }, + + { TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, FT_ENCODING_APPLE_ROMAN }, + + { TT_PLATFORM_MICROSOFT, TT_MS_ID_SYMBOL_CS, FT_ENCODING_MS_SYMBOL }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_UCS_4, FT_ENCODING_UNICODE }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, FT_ENCODING_UNICODE }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, FT_ENCODING_SJIS }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_PRC, FT_ENCODING_PRC }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, FT_ENCODING_BIG5 }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, FT_ENCODING_WANSUNG }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, FT_ENCODING_JOHAB } + }; + + const TEncoding *cur, *limit; + + + cur = tt_encodings; + limit = cur + sizeof ( tt_encodings ) / sizeof ( tt_encodings[0] ); + + for ( ; cur < limit; cur++ ) + { + if ( cur->platform_id == platform_id ) + { + if ( cur->encoding_id == encoding_id || + cur->encoding_id == -1 ) + return cur->encoding; + } + } + + return FT_ENCODING_NONE; + } + + +#define WRITE_USHORT( p, v ) \ + do \ + { \ + *(p)++ = (FT_Byte)( (v) >> 8 ); \ + *(p)++ = (FT_Byte)( (v) >> 0 ); \ + \ + } while ( 0 ) + +#define WRITE_ULONG( p, v ) \ + do \ + { \ + *(p)++ = (FT_Byte)( (v) >> 24 ); \ + *(p)++ = (FT_Byte)( (v) >> 16 ); \ + *(p)++ = (FT_Byte)( (v) >> 8 ); \ + *(p)++ = (FT_Byte)( (v) >> 0 ); \ + \ + } while ( 0 ) + + + static void + sfnt_stream_close( FT_Stream stream ) + { + FT_Memory memory = stream->memory; + + + FT_FREE( stream->base ); + + stream->size = 0; + stream->base = NULL; + stream->close = NULL; + } + + + FT_CALLBACK_DEF( int ) + compare_offsets( const void* a, + const void* b ) + { + WOFF_Table table1 = *(WOFF_Table*)a; + WOFF_Table table2 = *(WOFF_Table*)b; + + FT_ULong offset1 = table1->Offset; + FT_ULong offset2 = table2->Offset; + + + if ( offset1 > offset2 ) + return 1; + else if ( offset1 < offset2 ) + return -1; + else + return 0; + } + + + /* Replace `face->root.stream' with a stream containing the extracted */ + /* SFNT of a WOFF font. */ + + static FT_Error + woff_open_font( FT_Stream stream, + TT_Face face ) + { + FT_Memory memory = stream->memory; + FT_Error error = FT_Err_Ok; + + WOFF_HeaderRec woff; + WOFF_Table tables = NULL; + WOFF_Table* indices = NULL; + + FT_ULong woff_offset; + + FT_Byte* sfnt = NULL; + FT_Stream sfnt_stream = NULL; + + FT_Byte* sfnt_header; + FT_ULong sfnt_offset; + + FT_Int nn; + FT_ULong old_tag = 0; + + static const FT_Frame_Field woff_header_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE WOFF_HeaderRec + + FT_FRAME_START( 44 ), + FT_FRAME_ULONG ( signature ), + FT_FRAME_ULONG ( flavor ), + FT_FRAME_ULONG ( length ), + FT_FRAME_USHORT( num_tables ), + FT_FRAME_USHORT( reserved ), + FT_FRAME_ULONG ( totalSfntSize ), + FT_FRAME_USHORT( majorVersion ), + FT_FRAME_USHORT( minorVersion ), + FT_FRAME_ULONG ( metaOffset ), + FT_FRAME_ULONG ( metaLength ), + FT_FRAME_ULONG ( metaOrigLength ), + FT_FRAME_ULONG ( privOffset ), + FT_FRAME_ULONG ( privLength ), + FT_FRAME_END + }; + + + FT_ASSERT( stream == face->root.stream ); + FT_ASSERT( FT_STREAM_POS() == 0 ); + + if ( FT_STREAM_READ_FIELDS( woff_header_fields, &woff ) ) + return error; + + /* Make sure we don't recurse back here or hit TTC code. */ + if ( woff.flavor == TTAG_wOFF || woff.flavor == TTAG_ttcf ) + return FT_THROW( Invalid_Table ); + + /* Miscellaneous checks. */ + if ( woff.length != stream->size || + woff.num_tables == 0 || + 44 + woff.num_tables * 20UL >= woff.length || + 12 + woff.num_tables * 16UL >= woff.totalSfntSize || + ( woff.totalSfntSize & 3 ) != 0 || + ( woff.metaOffset == 0 && ( woff.metaLength != 0 || + woff.metaOrigLength != 0 ) ) || + ( woff.metaLength != 0 && woff.metaOrigLength == 0 ) || + ( woff.privOffset == 0 && woff.privLength != 0 ) ) + { + FT_ERROR(( "woff_font_open: invalid WOFF header\n" )); + return FT_THROW( Invalid_Table ); + } + + /* Don't trust `totalSfntSize' before thorough checks. */ + if ( FT_ALLOC( sfnt, 12 + woff.num_tables * 16UL ) || + FT_NEW( sfnt_stream ) ) + goto Exit; + + sfnt_header = sfnt; + + /* Write sfnt header. */ + { + FT_UInt searchRange, entrySelector, rangeShift, x; + + + x = woff.num_tables; + entrySelector = 0; + while ( x ) + { + x >>= 1; + entrySelector += 1; + } + entrySelector--; + + searchRange = ( 1 << entrySelector ) * 16; + rangeShift = woff.num_tables * 16 - searchRange; + + WRITE_ULONG ( sfnt_header, woff.flavor ); + WRITE_USHORT( sfnt_header, woff.num_tables ); + WRITE_USHORT( sfnt_header, searchRange ); + WRITE_USHORT( sfnt_header, entrySelector ); + WRITE_USHORT( sfnt_header, rangeShift ); + } + + /* While the entries in the sfnt header must be sorted by the */ + /* tag value, the tables themselves are not. We thus have to */ + /* sort them by offset and check that they don't overlap. */ + + if ( FT_NEW_ARRAY( tables, woff.num_tables ) || + FT_NEW_ARRAY( indices, woff.num_tables ) ) + goto Exit; + + FT_TRACE2(( "\n" + " tag offset compLen origLen checksum\n" + " -------------------------------------------\n" )); + + if ( FT_FRAME_ENTER( 20L * woff.num_tables ) ) + goto Exit; + + for ( nn = 0; nn < woff.num_tables; nn++ ) + { + WOFF_Table table = tables + nn; + + table->Tag = FT_GET_TAG4(); + table->Offset = FT_GET_ULONG(); + table->CompLength = FT_GET_ULONG(); + table->OrigLength = FT_GET_ULONG(); + table->CheckSum = FT_GET_ULONG(); + + FT_TRACE2(( " %c%c%c%c %08lx %08lx %08lx %08lx\n", + (FT_Char)( table->Tag >> 24 ), + (FT_Char)( table->Tag >> 16 ), + (FT_Char)( table->Tag >> 8 ), + (FT_Char)( table->Tag ), + table->Offset, + table->CompLength, + table->OrigLength, + table->CheckSum )); + + if ( table->Tag <= old_tag ) + { + FT_FRAME_EXIT(); + + FT_ERROR(( "woff_font_open: table tags are not sorted\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + old_tag = table->Tag; + indices[nn] = table; + } + + FT_FRAME_EXIT(); + + /* Sort by offset. */ + + ft_qsort( indices, + woff.num_tables, + sizeof ( WOFF_Table ), + compare_offsets ); + + /* Check offsets and lengths. */ + + woff_offset = 44 + woff.num_tables * 20L; + sfnt_offset = 12 + woff.num_tables * 16L; + + for ( nn = 0; nn < woff.num_tables; nn++ ) + { + WOFF_Table table = indices[nn]; + + + if ( table->Offset != woff_offset || + table->CompLength > woff.length || + table->Offset > woff.length - table->CompLength || + table->OrigLength > woff.totalSfntSize || + sfnt_offset > woff.totalSfntSize - table->OrigLength || + table->CompLength > table->OrigLength ) + { + FT_ERROR(( "woff_font_open: invalid table offsets\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + table->OrigOffset = sfnt_offset; + + /* The offsets must be multiples of 4. */ + woff_offset += ( table->CompLength + 3 ) & ~3U; + sfnt_offset += ( table->OrigLength + 3 ) & ~3U; + } + + /* + * Final checks! + * + * We don't decode and check the metadata block. + * We don't check table checksums either. + * But other than those, I think we implement all + * `MUST' checks from the spec. + */ + + if ( woff.metaOffset ) + { + if ( woff.metaOffset != woff_offset || + woff.metaOffset + woff.metaLength > woff.length ) + { + FT_ERROR(( "woff_font_open:" + " invalid `metadata' offset or length\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + /* We have padding only ... */ + woff_offset += woff.metaLength; + } + + if ( woff.privOffset ) + { + /* ... if it isn't the last block. */ + woff_offset = ( woff_offset + 3 ) & ~3U; + + if ( woff.privOffset != woff_offset || + woff.privOffset + woff.privLength > woff.length ) + { + FT_ERROR(( "woff_font_open: invalid `private' offset or length\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + /* No padding for the last block. */ + woff_offset += woff.privLength; + } + + if ( sfnt_offset != woff.totalSfntSize || + woff_offset != woff.length ) + { + FT_ERROR(( "woff_font_open: invalid `sfnt' table structure\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + /* Now use `totalSfntSize'. */ + if ( FT_REALLOC( sfnt, + 12 + woff.num_tables * 16UL, + woff.totalSfntSize ) ) + goto Exit; + + sfnt_header = sfnt + 12; + + /* Write the tables. */ + + for ( nn = 0; nn < woff.num_tables; nn++ ) + { + WOFF_Table table = tables + nn; + + + /* Write SFNT table entry. */ + WRITE_ULONG( sfnt_header, table->Tag ); + WRITE_ULONG( sfnt_header, table->CheckSum ); + WRITE_ULONG( sfnt_header, table->OrigOffset ); + WRITE_ULONG( sfnt_header, table->OrigLength ); + + /* Write table data. */ + if ( FT_STREAM_SEEK( table->Offset ) || + FT_FRAME_ENTER( table->CompLength ) ) + goto Exit; + + if ( table->CompLength == table->OrigLength ) + { + /* Uncompressed data; just copy. */ + ft_memcpy( sfnt + table->OrigOffset, + stream->cursor, + table->OrigLength ); + } + else + { +#ifdef FT_CONFIG_OPTION_USE_ZLIB + + /* Uncompress with zlib. */ + FT_ULong output_len = table->OrigLength; + + + error = FT_Gzip_Uncompress( memory, + sfnt + table->OrigOffset, &output_len, + stream->cursor, table->CompLength ); + if ( error ) + goto Exit; + if ( output_len != table->OrigLength ) + { + FT_ERROR(( "woff_font_open: compressed table length mismatch\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + +#else /* !FT_CONFIG_OPTION_USE_ZLIB */ + + error = FT_THROW( Unimplemented_Feature ); + goto Exit; + +#endif /* !FT_CONFIG_OPTION_USE_ZLIB */ + } + + FT_FRAME_EXIT(); + + /* We don't check whether the padding bytes in the WOFF file are */ + /* actually '\0'. For the output, however, we do set them properly. */ + sfnt_offset = table->OrigOffset + table->OrigLength; + while ( sfnt_offset & 3 ) + { + sfnt[sfnt_offset] = '\0'; + sfnt_offset++; + } + } + + /* Ok! Finally ready. Swap out stream and return. */ + FT_Stream_OpenMemory( sfnt_stream, sfnt, woff.totalSfntSize ); + sfnt_stream->memory = stream->memory; + sfnt_stream->close = sfnt_stream_close; + + FT_Stream_Free( + face->root.stream, + ( face->root.face_flags & FT_FACE_FLAG_EXTERNAL_STREAM ) != 0 ); + + face->root.stream = sfnt_stream; + + face->root.face_flags &= ~FT_FACE_FLAG_EXTERNAL_STREAM; + + Exit: + FT_FREE( tables ); + FT_FREE( indices ); + + if ( error ) + { + FT_FREE( sfnt ); + FT_Stream_Close( sfnt_stream ); + FT_FREE( sfnt_stream ); + } + + return error; + } + + +#undef WRITE_USHORT +#undef WRITE_ULONG + + + /* Fill in face->ttc_header. If the font is not a TTC, it is */ + /* synthesized into a TTC with one offset table. */ + static FT_Error + sfnt_open_font( FT_Stream stream, + TT_Face face ) + { + FT_Memory memory = stream->memory; + FT_Error error; + FT_ULong tag, offset; + + static const FT_Frame_Field ttc_header_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TTC_HeaderRec + + FT_FRAME_START( 8 ), + FT_FRAME_LONG( version ), + FT_FRAME_LONG( count ), /* this is ULong in the specs */ + FT_FRAME_END + }; + + + face->ttc_header.tag = 0; + face->ttc_header.version = 0; + face->ttc_header.count = 0; + + retry: + offset = FT_STREAM_POS(); + + if ( FT_READ_ULONG( tag ) ) + return error; + + if ( tag == TTAG_wOFF ) + { + FT_TRACE2(( "sfnt_open_font: file is a WOFF; synthesizing SFNT\n" )); + + if ( FT_STREAM_SEEK( offset ) ) + return error; + + error = woff_open_font( stream, face ); + if ( error ) + return error; + + /* Swap out stream and retry! */ + stream = face->root.stream; + goto retry; + } + + if ( tag != 0x00010000UL && + tag != TTAG_ttcf && + tag != TTAG_OTTO && + tag != TTAG_true && + tag != TTAG_typ1 && + tag != TTAG_0xA5kbd && + tag != TTAG_0xA5lst && + tag != 0x00020000UL ) + { + FT_TRACE2(( " not a font using the SFNT container format\n" )); + return FT_THROW( Unknown_File_Format ); + } + + face->ttc_header.tag = TTAG_ttcf; + + if ( tag == TTAG_ttcf ) + { + FT_Int n; + + + FT_TRACE3(( "sfnt_open_font: file is a collection\n" )); + + if ( FT_STREAM_READ_FIELDS( ttc_header_fields, &face->ttc_header ) ) + return error; + + FT_TRACE3(( " with %ld subfonts\n", + face->ttc_header.count )); + + if ( face->ttc_header.count == 0 ) + return FT_THROW( Invalid_Table ); + + /* a rough size estimate: let's conservatively assume that there */ + /* is just a single table info in each subfont header (12 + 16*1 = */ + /* 28 bytes), thus we have (at least) `12 + 4*count' bytes for the */ + /* size of the TTC header plus `28*count' bytes for all subfont */ + /* headers */ + if ( (FT_ULong)face->ttc_header.count > stream->size / ( 28 + 4 ) ) + return FT_THROW( Array_Too_Large ); + + /* now read the offsets of each font in the file */ + if ( FT_NEW_ARRAY( face->ttc_header.offsets, face->ttc_header.count ) ) + return error; + + if ( FT_FRAME_ENTER( face->ttc_header.count * 4L ) ) + return error; + + for ( n = 0; n < face->ttc_header.count; n++ ) + face->ttc_header.offsets[n] = FT_GET_ULONG(); + + FT_FRAME_EXIT(); + } + else + { + FT_TRACE3(( "sfnt_open_font: synthesize TTC\n" )); + + face->ttc_header.version = 1 << 16; + face->ttc_header.count = 1; + + if ( FT_NEW( face->ttc_header.offsets ) ) + return error; + + face->ttc_header.offsets[0] = offset; + } + + return error; + } + + + FT_LOCAL_DEF( FT_Error ) + sfnt_init_face( FT_Stream stream, + TT_Face face, + FT_Int face_instance_index, + FT_Int num_params, + FT_Parameter* params ) + { + FT_Error error; + FT_Library library = face->root.driver->root.library; + SFNT_Service sfnt; + FT_Int face_index; + + + /* for now, parameters are unused */ + FT_UNUSED( num_params ); + FT_UNUSED( params ); + + + sfnt = (SFNT_Service)face->sfnt; + if ( !sfnt ) + { + sfnt = (SFNT_Service)FT_Get_Module_Interface( library, "sfnt" ); + if ( !sfnt ) + { + FT_ERROR(( "sfnt_init_face: cannot access `sfnt' module\n" )); + return FT_THROW( Missing_Module ); + } + + face->sfnt = sfnt; + face->goto_table = sfnt->goto_table; + } + + FT_FACE_FIND_GLOBAL_SERVICE( face, face->psnames, POSTSCRIPT_CMAPS ); + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + if ( !face->mm ) + { + /* we want the MM interface from the `truetype' module only */ + FT_Module tt_module = FT_Get_Module( library, "truetype" ); + + + face->mm = ft_module_get_service( tt_module, + FT_SERVICE_ID_MULTI_MASTERS, + 0 ); + } + + if ( !face->var ) + { + /* we want the metrics variations interface */ + /* from the `truetype' module only */ + FT_Module tt_module = FT_Get_Module( library, "truetype" ); + + + face->var = ft_module_get_service( tt_module, + FT_SERVICE_ID_METRICS_VARIATIONS, + 0 ); + } +#endif + + FT_TRACE2(( "SFNT driver\n" )); + + error = sfnt_open_font( stream, face ); + if ( error ) + return error; + + /* Stream may have changed in sfnt_open_font. */ + stream = face->root.stream; + + FT_TRACE2(( "sfnt_init_face: %08p, %d\n", face, face_instance_index )); + + face_index = FT_ABS( face_instance_index ) & 0xFFFF; + + /* value -(N+1) requests information on index N */ + if ( face_instance_index < 0 ) + face_index--; + + if ( face_index >= face->ttc_header.count ) + { + if ( face_instance_index >= 0 ) + return FT_THROW( Invalid_Argument ); + else + face_index = 0; + } + + if ( FT_STREAM_SEEK( face->ttc_header.offsets[face_index] ) ) + return error; + + /* check whether we have a valid TrueType file */ + error = sfnt->load_font_dir( face, stream ); + if ( error ) + return error; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + { + FT_Memory memory = face->root.memory; + + FT_ULong fvar_len; + + FT_ULong version; + FT_ULong offset; + + FT_UShort num_axes; + FT_UShort axis_size; + FT_UShort num_instances; + FT_UShort instance_size; + + FT_Int instance_index; + + FT_Byte* default_values = NULL; + FT_Byte* instance_values = NULL; + + + instance_index = FT_ABS( face_instance_index ) >> 16; + + /* test whether current face is a GX font with named instances */ + if ( face->goto_table( face, TTAG_fvar, stream, &fvar_len ) || + fvar_len < 20 || + FT_READ_ULONG( version ) || + FT_READ_USHORT( offset ) || + FT_STREAM_SKIP( 2 ) /* reserved */ || + FT_READ_USHORT( num_axes ) || + FT_READ_USHORT( axis_size ) || + FT_READ_USHORT( num_instances ) || + FT_READ_USHORT( instance_size ) ) + { + version = 0; + offset = 0; + num_axes = 0; + axis_size = 0; + num_instances = 0; + instance_size = 0; + } + + /* check that the data is bound by the table length */ + if ( version != 0x00010000UL || + axis_size != 20 || + num_axes == 0 || + /* `num_axes' limit implied by 16-bit `instance_size' */ + num_axes > 0x3FFE || + !( instance_size == 4 + 4 * num_axes || + instance_size == 6 + 4 * num_axes ) || + /* `num_instances' limit implied by limited range of name IDs */ + num_instances > 0x7EFF || + offset + + axis_size * num_axes + + instance_size * num_instances > fvar_len ) + num_instances = 0; + else + face->variation_support |= TT_FACE_FLAG_VAR_FVAR; + + /* + * As documented in the OpenType specification, an entry for the + * default instance may be omitted in the named instance table. In + * particular this means that even if there is no named instance + * table in the font we actually do have a named instance, namely the + * default instance. + * + * For consistency, we always want the default instance in our list + * of named instances. If it is missing, we try to synthesize it + * later on. Here, we have to adjust `num_instances' accordingly. + */ + + if ( ( face->variation_support & TT_FACE_FLAG_VAR_FVAR ) && + !( FT_ALLOC( default_values, num_axes * 4 ) || + FT_ALLOC( instance_values, num_axes * 4 ) ) ) + { + /* the current stream position is 16 bytes after the table start */ + FT_ULong array_start = FT_STREAM_POS() - 16 + offset; + FT_ULong default_value_offset, instance_offset; + + FT_Byte* p; + FT_UInt i; + + + default_value_offset = array_start + 8; + p = default_values; + + for ( i = 0; i < num_axes; i++ ) + { + (void)FT_STREAM_READ_AT( default_value_offset, p, 4 ); + + default_value_offset += axis_size; + p += 4; + } + + instance_offset = array_start + axis_size * num_axes + 4; + + for ( i = 0; i < num_instances; i++ ) + { + (void)FT_STREAM_READ_AT( instance_offset, + instance_values, + num_axes * 4 ); + + if ( !ft_memcmp( default_values, instance_values, num_axes * 4 ) ) + break; + + instance_offset += instance_size; + } + + if ( i == num_instances ) + { + /* no default instance in named instance table; */ + /* we thus have to synthesize it */ + num_instances++; + } + } + + FT_FREE( default_values ); + FT_FREE( instance_values ); + + /* we don't support Multiple Master CFFs yet; */ + /* note that `glyf' or `CFF2' have precedence */ + if ( face->goto_table( face, TTAG_glyf, stream, 0 ) && + face->goto_table( face, TTAG_CFF2, stream, 0 ) && + !face->goto_table( face, TTAG_CFF, stream, 0 ) ) + num_instances = 0; + + /* instance indices in `face_instance_index' start with index 1, */ + /* thus `>' and not `>=' */ + if ( instance_index > num_instances ) + { + if ( face_instance_index >= 0 ) + return FT_THROW( Invalid_Argument ); + else + num_instances = 0; + } + + face->root.style_flags = (FT_Long)num_instances << 16; + } +#endif + + face->root.num_faces = face->ttc_header.count; + face->root.face_index = face_instance_index; + + return error; + } + + +#define LOAD_( x ) \ + do \ + { \ + FT_TRACE2(( "`" #x "' " )); \ + FT_TRACE3(( "-->\n" )); \ + \ + error = sfnt->load_ ## x( face, stream ); \ + \ + FT_TRACE2(( "%s\n", ( !error ) \ + ? "loaded" \ + : FT_ERR_EQ( error, Table_Missing ) \ + ? "missing" \ + : "failed to load" )); \ + FT_TRACE3(( "\n" )); \ + } while ( 0 ) + +#define LOADM_( x, vertical ) \ + do \ + { \ + FT_TRACE2(( "`%s" #x "' ", \ + vertical ? "vertical " : "" )); \ + FT_TRACE3(( "-->\n" )); \ + \ + error = sfnt->load_ ## x( face, stream, vertical ); \ + \ + FT_TRACE2(( "%s\n", ( !error ) \ + ? "loaded" \ + : FT_ERR_EQ( error, Table_Missing ) \ + ? "missing" \ + : "failed to load" )); \ + FT_TRACE3(( "\n" )); \ + } while ( 0 ) + +#define GET_NAME( id, field ) \ + do \ + { \ + error = tt_face_get_name( face, TT_NAME_ID_ ## id, field ); \ + if ( error ) \ + goto Exit; \ + } while ( 0 ) + + + FT_LOCAL_DEF( FT_Error ) + sfnt_load_face( FT_Stream stream, + TT_Face face, + FT_Int face_instance_index, + FT_Int num_params, + FT_Parameter* params ) + { + FT_Error error; +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES + FT_Error psnames_error; +#endif + FT_Bool has_outline; + FT_Bool is_apple_sbit; + FT_Bool is_apple_sbix; + FT_Bool ignore_typographic_family = FALSE; + FT_Bool ignore_typographic_subfamily = FALSE; + + SFNT_Service sfnt = (SFNT_Service)face->sfnt; + + FT_UNUSED( face_instance_index ); + + + /* Check parameters */ + + { + FT_Int i; + + + for ( i = 0; i < num_params; i++ ) + { + if ( params[i].tag == FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY ) + ignore_typographic_family = TRUE; + else if ( params[i].tag == FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY ) + ignore_typographic_subfamily = TRUE; + } + } + + /* Load tables */ + + /* We now support two SFNT-based bitmapped font formats. They */ + /* are recognized easily as they do not include a `glyf' */ + /* table. */ + /* */ + /* The first format comes from Apple, and uses a table named */ + /* `bhed' instead of `head' to store the font header (using */ + /* the same format). It also doesn't include horizontal and */ + /* vertical metrics tables (i.e. `hhea' and `vhea' tables are */ + /* missing). */ + /* */ + /* The other format comes from Microsoft, and is used with */ + /* WinCE/PocketPC. It looks like a standard TTF, except that */ + /* it doesn't contain outlines. */ + /* */ + + FT_TRACE2(( "sfnt_load_face: %08p\n\n", face )); + + /* do we have outlines in there? */ +#ifdef FT_CONFIG_OPTION_INCREMENTAL + has_outline = FT_BOOL( face->root.internal->incremental_interface || + tt_face_lookup_table( face, TTAG_glyf ) || + tt_face_lookup_table( face, TTAG_CFF ) || + tt_face_lookup_table( face, TTAG_CFF2 ) ); +#else + has_outline = FT_BOOL( tt_face_lookup_table( face, TTAG_glyf ) || + tt_face_lookup_table( face, TTAG_CFF ) || + tt_face_lookup_table( face, TTAG_CFF2 ) ); +#endif + + is_apple_sbit = 0; + is_apple_sbix = !face->goto_table( face, TTAG_sbix, stream, 0 ); + + /* Apple 'sbix' color bitmaps are rendered scaled and then the 'glyf' + * outline rendered on top. We don't support that yet, so just ignore + * the 'glyf' outline and advertise it as a bitmap-only font. */ + if ( is_apple_sbix ) + has_outline = FALSE; + + /* if this font doesn't contain outlines, we try to load */ + /* a `bhed' table */ + if ( !has_outline && sfnt->load_bhed ) + { + LOAD_( bhed ); + is_apple_sbit = FT_BOOL( !error ); + } + + /* load the font header (`head' table) if this isn't an Apple */ + /* sbit font file */ + if ( !is_apple_sbit || is_apple_sbix ) + { + LOAD_( head ); + if ( error ) + goto Exit; + } + + /* OpenType 1.8.2 introduced limits to this value; */ + /* however, they make sense for older SFNT fonts also */ + if ( face->header.Units_Per_EM < 16 || + face->header.Units_Per_EM > 16384 ) + { + error = FT_THROW( Invalid_Table ); + + goto Exit; + } + + /* the following tables are often not present in embedded TrueType */ + /* fonts within PDF documents, so don't check for them. */ + LOAD_( maxp ); + LOAD_( cmap ); + + /* the following tables are optional in PCL fonts -- */ + /* don't check for errors */ + LOAD_( name ); + LOAD_( post ); + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES + psnames_error = error; +#endif + + /* do not load the metrics headers and tables if this is an Apple */ + /* sbit font file */ + if ( !is_apple_sbit ) + { + /* load the `hhea' and `hmtx' tables */ + LOADM_( hhea, 0 ); + if ( !error ) + { + LOADM_( hmtx, 0 ); + if ( FT_ERR_EQ( error, Table_Missing ) ) + { + error = FT_THROW( Hmtx_Table_Missing ); + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + /* If this is an incrementally loaded font and there are */ + /* overriding metrics, tolerate a missing `hmtx' table. */ + if ( face->root.internal->incremental_interface && + face->root.internal->incremental_interface->funcs-> + get_glyph_metrics ) + { + face->horizontal.number_Of_HMetrics = 0; + error = FT_Err_Ok; + } +#endif + } + } + else if ( FT_ERR_EQ( error, Table_Missing ) ) + { + /* No `hhea' table necessary for SFNT Mac fonts. */ + if ( face->format_tag == TTAG_true ) + { + FT_TRACE2(( "This is an SFNT Mac font.\n" )); + + has_outline = 0; + error = FT_Err_Ok; + } + else + { + error = FT_THROW( Horiz_Header_Missing ); + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + /* If this is an incrementally loaded font and there are */ + /* overriding metrics, tolerate a missing `hhea' table. */ + if ( face->root.internal->incremental_interface && + face->root.internal->incremental_interface->funcs-> + get_glyph_metrics ) + { + face->horizontal.number_Of_HMetrics = 0; + error = FT_Err_Ok; + } +#endif + + } + } + + if ( error ) + goto Exit; + + /* try to load the `vhea' and `vmtx' tables */ + LOADM_( hhea, 1 ); + if ( !error ) + { + LOADM_( hmtx, 1 ); + if ( !error ) + face->vertical_info = 1; + } + + if ( error && FT_ERR_NEQ( error, Table_Missing ) ) + goto Exit; + + LOAD_( os2 ); + if ( error ) + { + /* we treat the table as missing if there are any errors */ + face->os2.version = 0xFFFFU; + } + } + + /* the optional tables */ + + /* embedded bitmap support */ + if ( sfnt->load_eblc ) + LOAD_( eblc ); + + /* consider the pclt, kerning, and gasp tables as optional */ + LOAD_( pclt ); + LOAD_( gasp ); + LOAD_( kern ); + + face->root.num_glyphs = face->max_profile.numGlyphs; + + /* Bit 8 of the `fsSelection' field in the `OS/2' table denotes */ + /* a WWS-only font face. `WWS' stands for `weight', width', and */ + /* `slope', a term used by Microsoft's Windows Presentation */ + /* Foundation (WPF). This flag has been introduced in version */ + /* 1.5 of the OpenType specification (May 2008). */ + + face->root.family_name = NULL; + face->root.style_name = NULL; + if ( face->os2.version != 0xFFFFU && face->os2.fsSelection & 256 ) + { + if ( !ignore_typographic_family ) + GET_NAME( TYPOGRAPHIC_FAMILY, &face->root.family_name ); + if ( !face->root.family_name ) + GET_NAME( FONT_FAMILY, &face->root.family_name ); + + if ( !ignore_typographic_subfamily ) + GET_NAME( TYPOGRAPHIC_SUBFAMILY, &face->root.style_name ); + if ( !face->root.style_name ) + GET_NAME( FONT_SUBFAMILY, &face->root.style_name ); + } + else + { + GET_NAME( WWS_FAMILY, &face->root.family_name ); + if ( !face->root.family_name && !ignore_typographic_family ) + GET_NAME( TYPOGRAPHIC_FAMILY, &face->root.family_name ); + if ( !face->root.family_name ) + GET_NAME( FONT_FAMILY, &face->root.family_name ); + + GET_NAME( WWS_SUBFAMILY, &face->root.style_name ); + if ( !face->root.style_name && !ignore_typographic_subfamily ) + GET_NAME( TYPOGRAPHIC_SUBFAMILY, &face->root.style_name ); + if ( !face->root.style_name ) + GET_NAME( FONT_SUBFAMILY, &face->root.style_name ); + } + + /* now set up root fields */ + { + FT_Face root = &face->root; + FT_Long flags = root->face_flags; + + + /*********************************************************************/ + /* */ + /* Compute face flags. */ + /* */ + if ( face->sbit_table_type == TT_SBIT_TABLE_TYPE_CBLC || + face->sbit_table_type == TT_SBIT_TABLE_TYPE_SBIX ) + flags |= FT_FACE_FLAG_COLOR; /* color glyphs */ + + if ( has_outline == TRUE ) + flags |= FT_FACE_FLAG_SCALABLE; /* scalable outlines */ + + /* The sfnt driver only supports bitmap fonts natively, thus we */ + /* don't set FT_FACE_FLAG_HINTER. */ + flags |= FT_FACE_FLAG_SFNT | /* SFNT file format */ + FT_FACE_FLAG_HORIZONTAL; /* horizontal data */ + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES + if ( !psnames_error && + face->postscript.FormatType != 0x00030000L ) + flags |= FT_FACE_FLAG_GLYPH_NAMES; +#endif + + /* fixed width font? */ + if ( face->postscript.isFixedPitch ) + flags |= FT_FACE_FLAG_FIXED_WIDTH; + + /* vertical information? */ + if ( face->vertical_info ) + flags |= FT_FACE_FLAG_VERTICAL; + + /* kerning available ? */ + if ( TT_FACE_HAS_KERNING( face ) ) + flags |= FT_FACE_FLAG_KERNING; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* Don't bother to load the tables unless somebody asks for them. */ + /* No need to do work which will (probably) not be used. */ + if ( face->variation_support & TT_FACE_FLAG_VAR_FVAR ) + { + if ( tt_face_lookup_table( face, TTAG_glyf ) != 0 && + tt_face_lookup_table( face, TTAG_gvar ) != 0 ) + flags |= FT_FACE_FLAG_MULTIPLE_MASTERS; + if ( tt_face_lookup_table( face, TTAG_CFF2 ) != 0 ) + flags |= FT_FACE_FLAG_MULTIPLE_MASTERS; + } +#endif + + root->face_flags = flags; + + /*********************************************************************/ + /* */ + /* Compute style flags. */ + /* */ + + flags = 0; + if ( has_outline == TRUE && face->os2.version != 0xFFFFU ) + { + /* We have an OS/2 table; use the `fsSelection' field. Bit 9 */ + /* indicates an oblique font face. This flag has been */ + /* introduced in version 1.5 of the OpenType specification. */ + + if ( face->os2.fsSelection & 512 ) /* bit 9 */ + flags |= FT_STYLE_FLAG_ITALIC; + else if ( face->os2.fsSelection & 1 ) /* bit 0 */ + flags |= FT_STYLE_FLAG_ITALIC; + + if ( face->os2.fsSelection & 32 ) /* bit 5 */ + flags |= FT_STYLE_FLAG_BOLD; + } + else + { + /* this is an old Mac font, use the header field */ + + if ( face->header.Mac_Style & 1 ) + flags |= FT_STYLE_FLAG_BOLD; + + if ( face->header.Mac_Style & 2 ) + flags |= FT_STYLE_FLAG_ITALIC; + } + + root->style_flags |= flags; + + /*********************************************************************/ + /* */ + /* Polish the charmaps. */ + /* */ + /* Try to set the charmap encoding according to the platform & */ + /* encoding ID of each charmap. Emulate Unicode charmap if one */ + /* is missing. */ + /* */ + + tt_face_build_cmaps( face ); /* ignore errors */ + + + /* set the encoding fields */ + { + FT_Int m; +#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES + FT_Bool has_unicode = FALSE; +#endif + + + for ( m = 0; m < root->num_charmaps; m++ ) + { + FT_CharMap charmap = root->charmaps[m]; + + + charmap->encoding = sfnt_find_encoding( charmap->platform_id, + charmap->encoding_id ); + +#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES + + if ( charmap->encoding == FT_ENCODING_UNICODE || + charmap->encoding == FT_ENCODING_MS_SYMBOL ) /* PUA */ + has_unicode = TRUE; + } + + /* synthesize Unicode charmap if one is missing */ + if ( !has_unicode ) + { + FT_CharMapRec cmaprec; + + + cmaprec.face = root; + cmaprec.platform_id = TT_PLATFORM_MICROSOFT; + cmaprec.encoding_id = TT_MS_ID_UNICODE_CS; + cmaprec.encoding = FT_ENCODING_UNICODE; + + + error = FT_CMap_New( (FT_CMap_Class)&tt_cmap_unicode_class_rec, + NULL, &cmaprec, NULL ); + if ( error && + FT_ERR_NEQ( error, No_Unicode_Glyph_Name ) ) + goto Exit; + error = FT_Err_Ok; + +#endif /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + } + } + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + /* + * Now allocate the root array of FT_Bitmap_Size records and + * populate them. Unfortunately, it isn't possible to indicate bit + * depths in the FT_Bitmap_Size record. This is a design error. + */ + { + FT_UInt count; + + + count = face->sbit_num_strikes; + + if ( count > 0 ) + { + FT_Memory memory = face->root.stream->memory; + FT_UShort em_size = face->header.Units_Per_EM; + FT_Short avgwidth = face->os2.xAvgCharWidth; + FT_Size_Metrics metrics; + + FT_UInt* sbit_strike_map = NULL; + FT_UInt strike_idx, bsize_idx; + + + if ( em_size == 0 || face->os2.version == 0xFFFFU ) + { + avgwidth = 1; + em_size = 1; + } + + /* to avoid invalid strike data in the `available_sizes' field */ + /* of `FT_Face', we map `available_sizes' indices to strike */ + /* indices */ + if ( FT_NEW_ARRAY( root->available_sizes, count ) || + FT_NEW_ARRAY( sbit_strike_map, count ) ) + goto Exit; + + bsize_idx = 0; + for ( strike_idx = 0; strike_idx < count; strike_idx++ ) + { + FT_Bitmap_Size* bsize = root->available_sizes + bsize_idx; + + + error = sfnt->load_strike_metrics( face, strike_idx, &metrics ); + if ( error ) + continue; + + bsize->height = (FT_Short)( metrics.height >> 6 ); + bsize->width = (FT_Short)( + ( avgwidth * metrics.x_ppem + em_size / 2 ) / em_size ); + + bsize->x_ppem = metrics.x_ppem << 6; + bsize->y_ppem = metrics.y_ppem << 6; + + /* assume 72dpi */ + bsize->size = metrics.y_ppem << 6; + + /* only use strikes with valid PPEM values */ + if ( bsize->x_ppem && bsize->y_ppem ) + sbit_strike_map[bsize_idx++] = strike_idx; + } + + /* reduce array size to the actually used elements */ + (void)FT_RENEW_ARRAY( sbit_strike_map, count, bsize_idx ); + + /* from now on, all strike indices are mapped */ + /* using `sbit_strike_map' */ + if ( bsize_idx ) + { + face->sbit_strike_map = sbit_strike_map; + + root->face_flags |= FT_FACE_FLAG_FIXED_SIZES; + root->num_fixed_sizes = (FT_Int)bsize_idx; + } + } + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + /* a font with no bitmaps and no outlines is scalable; */ + /* it has only empty glyphs then */ + if ( !FT_HAS_FIXED_SIZES( root ) && !FT_IS_SCALABLE( root ) ) + root->face_flags |= FT_FACE_FLAG_SCALABLE; + + + /*********************************************************************/ + /* */ + /* Set up metrics. */ + /* */ + if ( FT_IS_SCALABLE( root ) ) + { + /* XXX What about if outline header is missing */ + /* (e.g. sfnt wrapped bitmap)? */ + root->bbox.xMin = face->header.xMin; + root->bbox.yMin = face->header.yMin; + root->bbox.xMax = face->header.xMax; + root->bbox.yMax = face->header.yMax; + root->units_per_EM = face->header.Units_Per_EM; + + + /* XXX: Computing the ascender/descender/height is very different */ + /* from what the specification tells you. Apparently, we */ + /* must be careful because */ + /* */ + /* - not all fonts have an OS/2 table; in this case, we take */ + /* the values in the horizontal header. However, these */ + /* values very often are not reliable. */ + /* */ + /* - otherwise, the correct typographic values are in the */ + /* sTypoAscender, sTypoDescender & sTypoLineGap fields. */ + /* */ + /* However, certain fonts have these fields set to 0. */ + /* Rather, they have usWinAscent & usWinDescent correctly */ + /* set (but with different values). */ + /* */ + /* As an example, Arial Narrow is implemented through four */ + /* files ARIALN.TTF, ARIALNI.TTF, ARIALNB.TTF & ARIALNBI.TTF */ + /* */ + /* Strangely, all fonts have the same values in their */ + /* sTypoXXX fields, except ARIALNB which sets them to 0. */ + /* */ + /* On the other hand, they all have different */ + /* usWinAscent/Descent values -- as a conclusion, the OS/2 */ + /* table cannot be used to compute the text height reliably! */ + /* */ + + /* The ascender and descender are taken from the `hhea' table. */ + /* If zero, they are taken from the `OS/2' table. */ + + root->ascender = face->horizontal.Ascender; + root->descender = face->horizontal.Descender; + + root->height = root->ascender - root->descender + + face->horizontal.Line_Gap; + + if ( !( root->ascender || root->descender ) ) + { + if ( face->os2.version != 0xFFFFU ) + { + if ( face->os2.sTypoAscender || face->os2.sTypoDescender ) + { + root->ascender = face->os2.sTypoAscender; + root->descender = face->os2.sTypoDescender; + + root->height = root->ascender - root->descender + + face->os2.sTypoLineGap; + } + else + { + root->ascender = (FT_Short)face->os2.usWinAscent; + root->descender = -(FT_Short)face->os2.usWinDescent; + + root->height = root->ascender - root->descender; + } + } + } + + root->max_advance_width = + (FT_Short)face->horizontal.advance_Width_Max; + root->max_advance_height = + (FT_Short)( face->vertical_info ? face->vertical.advance_Height_Max + : root->height ); + + /* See https://www.microsoft.com/typography/otspec/post.htm -- */ + /* Adjust underline position from top edge to centre of */ + /* stroke to convert TrueType meaning to FreeType meaning. */ + root->underline_position = face->postscript.underlinePosition - + face->postscript.underlineThickness / 2; + root->underline_thickness = face->postscript.underlineThickness; + } + + } + + Exit: + FT_TRACE2(( "sfnt_load_face: done\n" )); + + return error; + } + + +#undef LOAD_ +#undef LOADM_ +#undef GET_NAME + + + FT_LOCAL_DEF( void ) + sfnt_done_face( TT_Face face ) + { + FT_Memory memory; + SFNT_Service sfnt; + + + if ( !face ) + return; + + memory = face->root.memory; + sfnt = (SFNT_Service)face->sfnt; + + if ( sfnt ) + { + /* destroy the postscript names table if it is loaded */ + if ( sfnt->free_psnames ) + sfnt->free_psnames( face ); + + /* destroy the embedded bitmaps table if it is loaded */ + if ( sfnt->free_eblc ) + sfnt->free_eblc( face ); + } + +#ifdef TT_CONFIG_OPTION_BDF + /* freeing the embedded BDF properties */ + tt_face_free_bdf_props( face ); +#endif + + /* freeing the kerning table */ + tt_face_done_kern( face ); + + /* freeing the collection table */ + FT_FREE( face->ttc_header.offsets ); + face->ttc_header.count = 0; + + /* freeing table directory */ + FT_FREE( face->dir_tables ); + face->num_tables = 0; + + { + FT_Stream stream = FT_FACE_STREAM( face ); + + + /* simply release the 'cmap' table frame */ + FT_FRAME_RELEASE( face->cmap_table ); + face->cmap_size = 0; + } + + face->horz_metrics_size = 0; + face->vert_metrics_size = 0; + + /* freeing vertical metrics, if any */ + if ( face->vertical_info ) + { + FT_FREE( face->vertical.long_metrics ); + FT_FREE( face->vertical.short_metrics ); + face->vertical_info = 0; + } + + /* freeing the gasp table */ + FT_FREE( face->gasp.gaspRanges ); + face->gasp.numRanges = 0; + + /* freeing the name table */ + if ( sfnt ) + sfnt->free_name( face ); + + /* freeing family and style name */ + FT_FREE( face->root.family_name ); + FT_FREE( face->root.style_name ); + + /* freeing sbit size table */ + FT_FREE( face->root.available_sizes ); + FT_FREE( face->sbit_strike_map ); + face->root.num_fixed_sizes = 0; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_FREE( face->postscript_name ); + FT_FREE( face->var_postscript_prefix ); +#endif + + face->sfnt = NULL; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfobjs.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfobjs.h new file mode 100644 index 00000000000..1b8d1be5b1a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/sfobjs.h @@ -0,0 +1,59 @@ +/***************************************************************************/ +/* */ +/* sfobjs.h */ +/* */ +/* SFNT object management (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef SFOBJS_H_ +#define SFOBJS_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_SFNT_H +#include FT_INTERNAL_OBJECTS_H + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + sfnt_init_face( FT_Stream stream, + TT_Face face, + FT_Int face_instance_index, + FT_Int num_params, + FT_Parameter* params ); + + FT_LOCAL( FT_Error ) + sfnt_load_face( FT_Stream stream, + TT_Face face, + FT_Int face_instance_index, + FT_Int num_params, + FT_Parameter* params ); + + FT_LOCAL( void ) + sfnt_done_face( TT_Face face ); + + FT_LOCAL( FT_Error ) + tt_face_get_name( TT_Face face, + FT_UShort nameid, + FT_String** name ); + + +FT_END_HEADER + +#endif /* SFDRIVER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttcmap.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttcmap.c new file mode 100644 index 00000000000..8cc70f759af --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttcmap.c @@ -0,0 +1,3931 @@ +/***************************************************************************/ +/* */ +/* ttcmap.c */ +/* */ +/* TrueType character mapping table (cmap) support (body). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H + +#include "sferrors.h" /* must come before FT_INTERNAL_VALIDATE_H */ + +#include FT_INTERNAL_VALIDATE_H +#include FT_INTERNAL_STREAM_H +#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include "ttload.h" +#include "ttcmap.h" +#include "ttpost.h" +#include "sfntpic.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttcmap + + +#define TT_PEEK_SHORT FT_PEEK_SHORT +#define TT_PEEK_USHORT FT_PEEK_USHORT +#define TT_PEEK_UINT24 FT_PEEK_UOFF3 +#define TT_PEEK_LONG FT_PEEK_LONG +#define TT_PEEK_ULONG FT_PEEK_ULONG + +#define TT_NEXT_SHORT FT_NEXT_SHORT +#define TT_NEXT_USHORT FT_NEXT_USHORT +#define TT_NEXT_UINT24 FT_NEXT_UOFF3 +#define TT_NEXT_LONG FT_NEXT_LONG +#define TT_NEXT_ULONG FT_NEXT_ULONG + + + /* Too large glyph index return values are caught in `FT_Get_Char_Index' */ + /* and `FT_Get_Next_Char' (the latter calls the internal `next' function */ + /* again in this case). To mark character code return values as invalid */ + /* it is sufficient to set the corresponding glyph index return value to */ + /* zero. */ + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap_init( TT_CMap cmap, + FT_Byte* table ) + { + cmap->data = table; + return FT_Err_Ok; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** FORMAT 0 *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* TABLE OVERVIEW */ + /* -------------- */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* format 0 USHORT must be 0 */ + /* length 2 USHORT table length in bytes */ + /* language 4 USHORT Mac language code */ + /* glyph_ids 6 BYTE[256] array of glyph indices */ + /* 262 */ + /* */ + +#ifdef TT_CONFIG_CMAP_FORMAT_0 + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap0_validate( FT_Byte* table, + FT_Validator valid ) + { + FT_Byte* p; + FT_UInt length; + + + if ( table + 2 + 2 > valid->limit ) + FT_INVALID_TOO_SHORT; + + p = table + 2; /* skip format */ + length = TT_NEXT_USHORT( p ); + + if ( table + length > valid->limit || length < 262 ) + FT_INVALID_TOO_SHORT; + + /* check glyph indices whenever necessary */ + if ( valid->level >= FT_VALIDATE_TIGHT ) + { + FT_UInt n, idx; + + + p = table + 6; + for ( n = 0; n < 256; n++ ) + { + idx = *p++; + if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) + FT_INVALID_GLYPH_ID; + } + } + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap0_char_index( TT_CMap cmap, + FT_UInt32 char_code ) + { + FT_Byte* table = cmap->data; + + + return char_code < 256 ? table[6 + char_code] : 0; + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap0_char_next( TT_CMap cmap, + FT_UInt32 *pchar_code ) + { + FT_Byte* table = cmap->data; + FT_UInt32 charcode = *pchar_code; + FT_UInt32 result = 0; + FT_UInt gindex = 0; + + + table += 6; /* go to glyph IDs */ + while ( ++charcode < 256 ) + { + gindex = table[charcode]; + if ( gindex != 0 ) + { + result = charcode; + break; + } + } + + *pchar_code = result; + return gindex; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap0_get_info( TT_CMap cmap, + TT_CMapInfo *cmap_info ) + { + FT_Byte* p = cmap->data + 4; + + + cmap_info->format = 0; + cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); + + return FT_Err_Ok; + } + + + FT_DEFINE_TT_CMAP( + tt_cmap0_class_rec, + + sizeof ( TT_CMapRec ), + + (FT_CMap_InitFunc) tt_cmap_init, /* init */ + (FT_CMap_DoneFunc) NULL, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap0_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap0_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL, /* variantchar_list */ + + 0, + (TT_CMap_ValidateFunc)tt_cmap0_validate, /* validate */ + (TT_CMap_Info_GetFunc)tt_cmap0_get_info /* get_cmap_info */ + ) + +#endif /* TT_CONFIG_CMAP_FORMAT_0 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** FORMAT 2 *****/ + /***** *****/ + /***** This is used for certain CJK encodings that encode text in a *****/ + /***** mixed 8/16 bits encoding along the following lines. *****/ + /***** *****/ + /***** * Certain byte values correspond to an 8-bit character code *****/ + /***** (typically in the range 0..127 for ASCII compatibility). *****/ + /***** *****/ + /***** * Certain byte values signal the first byte of a 2-byte *****/ + /***** character code (but these values are also valid as the *****/ + /***** second byte of a 2-byte character). *****/ + /***** *****/ + /***** The following charmap lookup and iteration functions all *****/ + /***** assume that the value `charcode' fulfills the following. *****/ + /***** *****/ + /***** - For one byte characters, `charcode' is simply the *****/ + /***** character code. *****/ + /***** *****/ + /***** - For two byte characters, `charcode' is the 2-byte *****/ + /***** character code in big endian format. More precisely: *****/ + /***** *****/ + /***** (charcode >> 8) is the first byte value *****/ + /***** (charcode & 0xFF) is the second byte value *****/ + /***** *****/ + /***** Note that not all values of `charcode' are valid according *****/ + /***** to these rules, and the function moderately checks the *****/ + /***** arguments. *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* TABLE OVERVIEW */ + /* -------------- */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* format 0 USHORT must be 2 */ + /* length 2 USHORT table length in bytes */ + /* language 4 USHORT Mac language code */ + /* keys 6 USHORT[256] sub-header keys */ + /* subs 518 SUBHEAD[NSUBS] sub-headers array */ + /* glyph_ids 518+NSUB*8 USHORT[] glyph ID array */ + /* */ + /* The `keys' table is used to map charcode high-bytes to sub-headers. */ + /* The value of `NSUBS' is the number of sub-headers defined in the */ + /* table and is computed by finding the maximum of the `keys' table. */ + /* */ + /* Note that for any n, `keys[n]' is a byte offset within the `subs' */ + /* table, i.e., it is the corresponding sub-header index multiplied */ + /* by 8. */ + /* */ + /* Each sub-header has the following format. */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* first 0 USHORT first valid low-byte */ + /* count 2 USHORT number of valid low-bytes */ + /* delta 4 SHORT see below */ + /* offset 6 USHORT see below */ + /* */ + /* A sub-header defines, for each high-byte, the range of valid */ + /* low-bytes within the charmap. Note that the range defined by `first' */ + /* and `count' must be completely included in the interval [0..255] */ + /* according to the specification. */ + /* */ + /* If a character code is contained within a given sub-header, then */ + /* mapping it to a glyph index is done as follows. */ + /* */ + /* * The value of `offset' is read. This is a _byte_ distance from the */ + /* location of the `offset' field itself into a slice of the */ + /* `glyph_ids' table. Let's call it `slice' (it is a USHORT[], too). */ + /* */ + /* * The value `slice[char.lo - first]' is read. If it is 0, there is */ + /* no glyph for the charcode. Otherwise, the value of `delta' is */ + /* added to it (modulo 65536) to form a new glyph index. */ + /* */ + /* It is up to the validation routine to check that all offsets fall */ + /* within the glyph IDs table (and not within the `subs' table itself or */ + /* outside of the CMap). */ + /* */ + +#ifdef TT_CONFIG_CMAP_FORMAT_2 + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap2_validate( FT_Byte* table, + FT_Validator valid ) + { + FT_Byte* p; + FT_UInt length; + + FT_UInt n, max_subs; + FT_Byte* keys; /* keys table */ + FT_Byte* subs; /* sub-headers */ + FT_Byte* glyph_ids; /* glyph ID array */ + + + if ( table + 2 + 2 > valid->limit ) + FT_INVALID_TOO_SHORT; + + p = table + 2; /* skip format */ + length = TT_NEXT_USHORT( p ); + + if ( table + length > valid->limit || length < 6 + 512 ) + FT_INVALID_TOO_SHORT; + + keys = table + 6; + + /* parse keys to compute sub-headers count */ + p = keys; + max_subs = 0; + for ( n = 0; n < 256; n++ ) + { + FT_UInt idx = TT_NEXT_USHORT( p ); + + + /* value must be multiple of 8 */ + if ( valid->level >= FT_VALIDATE_PARANOID && ( idx & 7 ) != 0 ) + FT_INVALID_DATA; + + idx >>= 3; + + if ( idx > max_subs ) + max_subs = idx; + } + + FT_ASSERT( p == table + 518 ); + + subs = p; + glyph_ids = subs + ( max_subs + 1 ) * 8; + if ( glyph_ids > valid->limit ) + FT_INVALID_TOO_SHORT; + + /* parse sub-headers */ + for ( n = 0; n <= max_subs; n++ ) + { + FT_UInt first_code, code_count, offset; + FT_Int delta; + + + first_code = TT_NEXT_USHORT( p ); + code_count = TT_NEXT_USHORT( p ); + delta = TT_NEXT_SHORT( p ); + offset = TT_NEXT_USHORT( p ); + + /* many Dynalab fonts have empty sub-headers */ + if ( code_count == 0 ) + continue; + + /* check range within 0..255 */ + if ( valid->level >= FT_VALIDATE_PARANOID ) + { + if ( first_code >= 256 || first_code + code_count > 256 ) + FT_INVALID_DATA; + } + + /* check offset */ + if ( offset != 0 ) + { + FT_Byte* ids; + + + ids = p - 2 + offset; + if ( ids < glyph_ids || ids + code_count * 2 > table + length ) + FT_INVALID_OFFSET; + + /* check glyph IDs */ + if ( valid->level >= FT_VALIDATE_TIGHT ) + { + FT_Byte* limit = p + code_count * 2; + FT_UInt idx; + + + for ( ; p < limit; ) + { + idx = TT_NEXT_USHORT( p ); + if ( idx != 0 ) + { + idx = (FT_UInt)( (FT_Int)idx + delta ) & 0xFFFFU; + if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) + FT_INVALID_GLYPH_ID; + } + } + } + } + } + + return FT_Err_Ok; + } + + + /* return sub header corresponding to a given character code */ + /* NULL on invalid charcode */ + static FT_Byte* + tt_cmap2_get_subheader( FT_Byte* table, + FT_UInt32 char_code ) + { + FT_Byte* result = NULL; + + + if ( char_code < 0x10000UL ) + { + FT_UInt char_lo = (FT_UInt)( char_code & 0xFF ); + FT_UInt char_hi = (FT_UInt)( char_code >> 8 ); + FT_Byte* p = table + 6; /* keys table */ + FT_Byte* subs = table + 518; /* subheaders table */ + FT_Byte* sub; + + + if ( char_hi == 0 ) + { + /* an 8-bit character code -- we use subHeader 0 in this case */ + /* to test whether the character code is in the charmap */ + /* */ + sub = subs; /* jump to first sub-header */ + + /* check that the sub-header for this byte is 0, which */ + /* indicates that it is really a valid one-byte value */ + /* Otherwise, return 0 */ + /* */ + p += char_lo * 2; + if ( TT_PEEK_USHORT( p ) != 0 ) + goto Exit; + } + else + { + /* a 16-bit character code */ + + /* jump to key entry */ + p += char_hi * 2; + /* jump to sub-header */ + sub = subs + ( FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 8 ) ); + + /* check that the high byte isn't a valid one-byte value */ + if ( sub == subs ) + goto Exit; + } + result = sub; + } + + Exit: + return result; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap2_char_index( TT_CMap cmap, + FT_UInt32 char_code ) + { + FT_Byte* table = cmap->data; + FT_UInt result = 0; + FT_Byte* subheader; + + + subheader = tt_cmap2_get_subheader( table, char_code ); + if ( subheader ) + { + FT_Byte* p = subheader; + FT_UInt idx = (FT_UInt)(char_code & 0xFF); + FT_UInt start, count; + FT_Int delta; + FT_UInt offset; + + + start = TT_NEXT_USHORT( p ); + count = TT_NEXT_USHORT( p ); + delta = TT_NEXT_SHORT ( p ); + offset = TT_PEEK_USHORT( p ); + + idx -= start; + if ( idx < count && offset != 0 ) + { + p += offset + 2 * idx; + idx = TT_PEEK_USHORT( p ); + + if ( idx != 0 ) + result = (FT_UInt)( (FT_Int)idx + delta ) & 0xFFFFU; + } + } + + return result; + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap2_char_next( TT_CMap cmap, + FT_UInt32 *pcharcode ) + { + FT_Byte* table = cmap->data; + FT_UInt gindex = 0; + FT_UInt32 result = 0; + FT_UInt32 charcode = *pcharcode + 1; + FT_Byte* subheader; + + + while ( charcode < 0x10000UL ) + { + subheader = tt_cmap2_get_subheader( table, charcode ); + if ( subheader ) + { + FT_Byte* p = subheader; + FT_UInt start = TT_NEXT_USHORT( p ); + FT_UInt count = TT_NEXT_USHORT( p ); + FT_Int delta = TT_NEXT_SHORT ( p ); + FT_UInt offset = TT_PEEK_USHORT( p ); + FT_UInt char_lo = (FT_UInt)( charcode & 0xFF ); + FT_UInt pos, idx; + + + if ( offset == 0 ) + { + if ( charcode == 0x100 ) + goto Exit; /* this happens only for a malformed cmap */ + goto Next_SubHeader; + } + + if ( char_lo < start ) + { + char_lo = start; + pos = 0; + } + else + pos = (FT_UInt)( char_lo - start ); + + p += offset + pos * 2; + charcode = FT_PAD_FLOOR( charcode, 256 ) + char_lo; + + for ( ; pos < count; pos++, charcode++ ) + { + idx = TT_NEXT_USHORT( p ); + + if ( idx != 0 ) + { + gindex = (FT_UInt)( (FT_Int)idx + delta ) & 0xFFFFU; + if ( gindex != 0 ) + { + result = charcode; + goto Exit; + } + } + } + } + + /* If `charcode' is <= 0xFF, retry with `charcode + 1'. If */ + /* `charcode' is 0x100 after the loop, do nothing since we have */ + /* just reached the first sub-header for two-byte character codes. */ + /* */ + /* For all other cases, we jump to the next sub-header and adjust */ + /* `charcode' accordingly. */ + Next_SubHeader: + if ( charcode <= 0xFF ) + charcode++; + else if ( charcode == 0x100 ) + ; + else + charcode = FT_PAD_FLOOR( charcode, 0x100 ) + 0x100; + } + + Exit: + *pcharcode = result; + + return gindex; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap2_get_info( TT_CMap cmap, + TT_CMapInfo *cmap_info ) + { + FT_Byte* p = cmap->data + 4; + + + cmap_info->format = 2; + cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); + + return FT_Err_Ok; + } + + + FT_DEFINE_TT_CMAP( + tt_cmap2_class_rec, + + sizeof ( TT_CMapRec ), + + (FT_CMap_InitFunc) tt_cmap_init, /* init */ + (FT_CMap_DoneFunc) NULL, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap2_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap2_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL, /* variantchar_list */ + + 2, + (TT_CMap_ValidateFunc)tt_cmap2_validate, /* validate */ + (TT_CMap_Info_GetFunc)tt_cmap2_get_info /* get_cmap_info */ + ) + +#endif /* TT_CONFIG_CMAP_FORMAT_2 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** FORMAT 4 *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* TABLE OVERVIEW */ + /* -------------- */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* format 0 USHORT must be 4 */ + /* length 2 USHORT table length */ + /* in bytes */ + /* language 4 USHORT Mac language code */ + /* */ + /* segCountX2 6 USHORT 2*NUM_SEGS */ + /* searchRange 8 USHORT 2*(1 << LOG_SEGS) */ + /* entrySelector 10 USHORT LOG_SEGS */ + /* rangeShift 12 USHORT segCountX2 - */ + /* searchRange */ + /* */ + /* endCount 14 USHORT[NUM_SEGS] end charcode for */ + /* each segment; last */ + /* is 0xFFFF */ + /* */ + /* pad 14+NUM_SEGS*2 USHORT padding */ + /* */ + /* startCount 16+NUM_SEGS*2 USHORT[NUM_SEGS] first charcode for */ + /* each segment */ + /* */ + /* idDelta 16+NUM_SEGS*4 SHORT[NUM_SEGS] delta for each */ + /* segment */ + /* idOffset 16+NUM_SEGS*6 SHORT[NUM_SEGS] range offset for */ + /* each segment; can be */ + /* zero */ + /* */ + /* glyphIds 16+NUM_SEGS*8 USHORT[] array of glyph ID */ + /* ranges */ + /* */ + /* Character codes are modelled by a series of ordered (increasing) */ + /* intervals called segments. Each segment has start and end codes, */ + /* provided by the `startCount' and `endCount' arrays. Segments must */ + /* not overlap, and the last segment should always contain the value */ + /* 0xFFFF for `endCount'. */ + /* */ + /* The fields `searchRange', `entrySelector' and `rangeShift' are better */ + /* ignored (they are traces of over-engineering in the TrueType */ + /* specification). */ + /* */ + /* Each segment also has a signed `delta', as well as an optional offset */ + /* within the `glyphIds' table. */ + /* */ + /* If a segment's idOffset is 0, the glyph index corresponding to any */ + /* charcode within the segment is obtained by adding the value of */ + /* `idDelta' directly to the charcode, modulo 65536. */ + /* */ + /* Otherwise, a glyph index is taken from the glyph IDs sub-array for */ + /* the segment, and the value of `idDelta' is added to it. */ + /* */ + /* */ + /* Finally, note that a lot of fonts contain an invalid last segment, */ + /* where `start' and `end' are correctly set to 0xFFFF but both `delta' */ + /* and `offset' are incorrect (e.g., `opens___.ttf' which comes with */ + /* OpenOffice.org). We need special code to deal with them correctly. */ + /* */ + +#ifdef TT_CONFIG_CMAP_FORMAT_4 + + typedef struct TT_CMap4Rec_ + { + TT_CMapRec cmap; + FT_UInt32 cur_charcode; /* current charcode */ + FT_UInt cur_gindex; /* current glyph index */ + + FT_UInt num_ranges; + FT_UInt cur_range; + FT_UInt cur_start; + FT_UInt cur_end; + FT_Int cur_delta; + FT_Byte* cur_values; + + } TT_CMap4Rec, *TT_CMap4; + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap4_init( TT_CMap4 cmap, + FT_Byte* table ) + { + FT_Byte* p; + + + cmap->cmap.data = table; + + p = table + 6; + cmap->num_ranges = FT_PEEK_USHORT( p ) >> 1; + cmap->cur_charcode = (FT_UInt32)0xFFFFFFFFUL; + cmap->cur_gindex = 0; + + return FT_Err_Ok; + } + + + static FT_Int + tt_cmap4_set_range( TT_CMap4 cmap, + FT_UInt range_index ) + { + FT_Byte* table = cmap->cmap.data; + FT_Byte* p; + FT_UInt num_ranges = cmap->num_ranges; + + + while ( range_index < num_ranges ) + { + FT_UInt offset; + + + p = table + 14 + range_index * 2; + cmap->cur_end = FT_PEEK_USHORT( p ); + + p += 2 + num_ranges * 2; + cmap->cur_start = FT_PEEK_USHORT( p ); + + p += num_ranges * 2; + cmap->cur_delta = FT_PEEK_SHORT( p ); + + p += num_ranges * 2; + offset = FT_PEEK_USHORT( p ); + + /* some fonts have an incorrect last segment; */ + /* we have to catch it */ + if ( range_index >= num_ranges - 1 && + cmap->cur_start == 0xFFFFU && + cmap->cur_end == 0xFFFFU ) + { + TT_Face face = (TT_Face)cmap->cmap.cmap.charmap.face; + FT_Byte* limit = face->cmap_table + face->cmap_size; + + + if ( offset && p + offset + 2 > limit ) + { + cmap->cur_delta = 1; + offset = 0; + } + } + + if ( offset != 0xFFFFU ) + { + cmap->cur_values = offset ? p + offset : NULL; + cmap->cur_range = range_index; + return 0; + } + + /* we skip empty segments */ + range_index++; + } + + return -1; + } + + + /* search the index of the charcode next to cmap->cur_charcode; */ + /* caller should call tt_cmap4_set_range with proper range */ + /* before calling this function */ + /* */ + static void + tt_cmap4_next( TT_CMap4 cmap ) + { + TT_Face face = (TT_Face)cmap->cmap.cmap.charmap.face; + FT_Byte* limit = face->cmap_table + face->cmap_size; + + FT_UInt charcode; + + + if ( cmap->cur_charcode >= 0xFFFFUL ) + goto Fail; + + charcode = (FT_UInt)cmap->cur_charcode + 1; + + if ( charcode < cmap->cur_start ) + charcode = cmap->cur_start; + + for (;;) + { + FT_Byte* values = cmap->cur_values; + FT_UInt end = cmap->cur_end; + FT_Int delta = cmap->cur_delta; + + + if ( charcode <= end ) + { + if ( values ) + { + FT_Byte* p = values + 2 * ( charcode - cmap->cur_start ); + + + /* if p > limit, the whole segment is invalid */ + if ( p > limit ) + goto Next_Segment; + + do + { + FT_UInt gindex = FT_NEXT_USHORT( p ); + + + if ( gindex ) + { + gindex = (FT_UInt)( (FT_Int)gindex + delta ) & 0xFFFFU; + if ( gindex ) + { + cmap->cur_charcode = charcode; + cmap->cur_gindex = gindex; + return; + } + } + } while ( ++charcode <= end ); + } + else + { + do + { + FT_UInt gindex = (FT_UInt)( (FT_Int)charcode + delta ) & 0xFFFFU; + + + if ( gindex >= (FT_UInt)face->root.num_glyphs ) + { + /* we have an invalid glyph index; if there is an overflow, */ + /* we can adjust `charcode', otherwise the whole segment is */ + /* invalid */ + gindex = 0; + + if ( (FT_Int)charcode + delta < 0 && + (FT_Int)end + delta >= 0 ) + charcode = (FT_UInt)( -delta ); + + else if ( (FT_Int)charcode + delta < 0x10000L && + (FT_Int)end + delta >= 0x10000L ) + charcode = (FT_UInt)( 0x10000L - delta ); + + else + goto Next_Segment; + } + + if ( gindex ) + { + cmap->cur_charcode = charcode; + cmap->cur_gindex = gindex; + return; + } + } while ( ++charcode <= end ); + } + } + + Next_Segment: + /* we need to find another range */ + if ( tt_cmap4_set_range( cmap, cmap->cur_range + 1 ) < 0 ) + break; + + if ( charcode < cmap->cur_start ) + charcode = cmap->cur_start; + } + + Fail: + cmap->cur_charcode = (FT_UInt32)0xFFFFFFFFUL; + cmap->cur_gindex = 0; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap4_validate( FT_Byte* table, + FT_Validator valid ) + { + FT_Byte* p; + FT_UInt length; + + FT_Byte *ends, *starts, *offsets, *deltas, *glyph_ids; + FT_UInt num_segs; + FT_Error error = FT_Err_Ok; + + + if ( table + 2 + 2 > valid->limit ) + FT_INVALID_TOO_SHORT; + + p = table + 2; /* skip format */ + length = TT_NEXT_USHORT( p ); + + /* in certain fonts, the `length' field is invalid and goes */ + /* out of bound. We try to correct this here... */ + if ( table + length > valid->limit ) + { + if ( valid->level >= FT_VALIDATE_TIGHT ) + FT_INVALID_TOO_SHORT; + + length = (FT_UInt)( valid->limit - table ); + } + + if ( length < 16 ) + FT_INVALID_TOO_SHORT; + + p = table + 6; + num_segs = TT_NEXT_USHORT( p ); /* read segCountX2 */ + + if ( valid->level >= FT_VALIDATE_PARANOID ) + { + /* check that we have an even value here */ + if ( num_segs & 1 ) + FT_INVALID_DATA; + } + + num_segs /= 2; + + if ( length < 16 + num_segs * 2 * 4 ) + FT_INVALID_TOO_SHORT; + + /* check the search parameters - even though we never use them */ + /* */ + if ( valid->level >= FT_VALIDATE_PARANOID ) + { + /* check the values of `searchRange', `entrySelector', `rangeShift' */ + FT_UInt search_range = TT_NEXT_USHORT( p ); + FT_UInt entry_selector = TT_NEXT_USHORT( p ); + FT_UInt range_shift = TT_NEXT_USHORT( p ); + + + if ( ( search_range | range_shift ) & 1 ) /* must be even values */ + FT_INVALID_DATA; + + search_range /= 2; + range_shift /= 2; + + /* `search range' is the greatest power of 2 that is <= num_segs */ + + if ( search_range > num_segs || + search_range * 2 < num_segs || + search_range + range_shift != num_segs || + search_range != ( 1U << entry_selector ) ) + FT_INVALID_DATA; + } + + ends = table + 14; + starts = table + 16 + num_segs * 2; + deltas = starts + num_segs * 2; + offsets = deltas + num_segs * 2; + glyph_ids = offsets + num_segs * 2; + + /* check last segment; its end count value must be 0xFFFF */ + if ( valid->level >= FT_VALIDATE_PARANOID ) + { + p = ends + ( num_segs - 1 ) * 2; + if ( TT_PEEK_USHORT( p ) != 0xFFFFU ) + FT_INVALID_DATA; + } + + { + FT_UInt start, end, offset, n; + FT_UInt last_start = 0, last_end = 0; + FT_Int delta; + FT_Byte* p_start = starts; + FT_Byte* p_end = ends; + FT_Byte* p_delta = deltas; + FT_Byte* p_offset = offsets; + + + for ( n = 0; n < num_segs; n++ ) + { + p = p_offset; + start = TT_NEXT_USHORT( p_start ); + end = TT_NEXT_USHORT( p_end ); + delta = TT_NEXT_SHORT( p_delta ); + offset = TT_NEXT_USHORT( p_offset ); + + if ( start > end ) + FT_INVALID_DATA; + + /* this test should be performed at default validation level; */ + /* unfortunately, some popular Asian fonts have overlapping */ + /* ranges in their charmaps */ + /* */ + if ( start <= last_end && n > 0 ) + { + if ( valid->level >= FT_VALIDATE_TIGHT ) + FT_INVALID_DATA; + else + { + /* allow overlapping segments, provided their start points */ + /* and end points, respectively, are in ascending order */ + /* */ + if ( last_start > start || last_end > end ) + error |= TT_CMAP_FLAG_UNSORTED; + else + error |= TT_CMAP_FLAG_OVERLAPPING; + } + } + + if ( offset && offset != 0xFFFFU ) + { + p += offset; /* start of glyph ID array */ + + /* check that we point within the glyph IDs table only */ + if ( valid->level >= FT_VALIDATE_TIGHT ) + { + if ( p < glyph_ids || + p + ( end - start + 1 ) * 2 > table + length ) + FT_INVALID_DATA; + } + /* Some fonts handle the last segment incorrectly. In */ + /* theory, 0xFFFF might point to an ordinary glyph -- */ + /* a cmap 4 is versatile and could be used for any */ + /* encoding, not only Unicode. However, reality shows */ + /* that far too many fonts are sloppy and incorrectly */ + /* set all fields but `start' and `end' for the last */ + /* segment if it contains only a single character. */ + /* */ + /* We thus omit the test here, delaying it to the */ + /* routines that actually access the cmap. */ + else if ( n != num_segs - 1 || + !( start == 0xFFFFU && end == 0xFFFFU ) ) + { + if ( p < glyph_ids || + p + ( end - start + 1 ) * 2 > valid->limit ) + FT_INVALID_DATA; + } + + /* check glyph indices within the segment range */ + if ( valid->level >= FT_VALIDATE_TIGHT ) + { + FT_UInt i, idx; + + + for ( i = start; i < end; i++ ) + { + idx = FT_NEXT_USHORT( p ); + if ( idx != 0 ) + { + idx = (FT_UInt)( (FT_Int)idx + delta ) & 0xFFFFU; + + if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) + FT_INVALID_GLYPH_ID; + } + } + } + } + else if ( offset == 0xFFFFU ) + { + /* some fonts (erroneously?) use a range offset of 0xFFFF */ + /* to mean missing glyph in cmap table */ + /* */ + if ( valid->level >= FT_VALIDATE_PARANOID || + n != num_segs - 1 || + !( start == 0xFFFFU && end == 0xFFFFU ) ) + FT_INVALID_DATA; + } + + last_start = start; + last_end = end; + } + } + + return error; + } + + + static FT_UInt + tt_cmap4_char_map_linear( TT_CMap cmap, + FT_UInt32* pcharcode, + FT_Bool next ) + { + TT_Face face = (TT_Face)cmap->cmap.charmap.face; + FT_Byte* limit = face->cmap_table + face->cmap_size; + + + FT_UInt num_segs2, start, end, offset; + FT_Int delta; + FT_UInt i, num_segs; + FT_UInt32 charcode = *pcharcode; + FT_UInt gindex = 0; + FT_Byte* p; + FT_Byte* q; + + + p = cmap->data + 6; + num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); + + num_segs = num_segs2 >> 1; + + if ( !num_segs ) + return 0; + + if ( next ) + charcode++; + + if ( charcode > 0xFFFFU ) + return 0; + + /* linear search */ + p = cmap->data + 14; /* ends table */ + q = cmap->data + 16 + num_segs2; /* starts table */ + + for ( i = 0; i < num_segs; i++ ) + { + end = TT_NEXT_USHORT( p ); + start = TT_NEXT_USHORT( q ); + + if ( charcode < start ) + { + if ( next ) + charcode = start; + else + break; + } + + Again: + if ( charcode <= end ) + { + FT_Byte* r; + + + r = q - 2 + num_segs2; + delta = TT_PEEK_SHORT( r ); + r += num_segs2; + offset = TT_PEEK_USHORT( r ); + + /* some fonts have an incorrect last segment; */ + /* we have to catch it */ + if ( i >= num_segs - 1 && + start == 0xFFFFU && end == 0xFFFFU ) + { + if ( offset && r + offset + 2 > limit ) + { + delta = 1; + offset = 0; + } + } + + if ( offset == 0xFFFFU ) + continue; + + if ( offset ) + { + r += offset + ( charcode - start ) * 2; + + /* if r > limit, the whole segment is invalid */ + if ( next && r > limit ) + continue; + + gindex = TT_PEEK_USHORT( r ); + if ( gindex ) + { + gindex = (FT_UInt)( (FT_Int)gindex + delta ) & 0xFFFFU; + if ( gindex >= (FT_UInt)face->root.num_glyphs ) + gindex = 0; + } + } + else + { + gindex = (FT_UInt)( (FT_Int)charcode + delta ) & 0xFFFFU; + + if ( next && gindex >= (FT_UInt)face->root.num_glyphs ) + { + /* we have an invalid glyph index; if there is an overflow, */ + /* we can adjust `charcode', otherwise the whole segment is */ + /* invalid */ + gindex = 0; + + if ( (FT_Int)charcode + delta < 0 && + (FT_Int)end + delta >= 0 ) + charcode = (FT_UInt)( -delta ); + + else if ( (FT_Int)charcode + delta < 0x10000L && + (FT_Int)end + delta >= 0x10000L ) + charcode = (FT_UInt)( 0x10000L - delta ); + + else + continue; + } + } + + if ( next && !gindex ) + { + if ( charcode >= 0xFFFFU ) + break; + + charcode++; + goto Again; + } + + break; + } + } + + if ( next ) + *pcharcode = charcode; + + return gindex; + } + + + static FT_UInt + tt_cmap4_char_map_binary( TT_CMap cmap, + FT_UInt32* pcharcode, + FT_Bool next ) + { + TT_Face face = (TT_Face)cmap->cmap.charmap.face; + FT_Byte* limit = face->cmap_table + face->cmap_size; + + FT_UInt num_segs2, start, end, offset; + FT_Int delta; + FT_UInt max, min, mid, num_segs; + FT_UInt charcode = (FT_UInt)*pcharcode; + FT_UInt gindex = 0; + FT_Byte* p; + + + p = cmap->data + 6; + num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); + + if ( !num_segs2 ) + return 0; + + num_segs = num_segs2 >> 1; + + /* make compiler happy */ + mid = num_segs; + end = 0xFFFFU; + + if ( next ) + charcode++; + + min = 0; + max = num_segs; + + /* binary search */ + while ( min < max ) + { + mid = ( min + max ) >> 1; + p = cmap->data + 14 + mid * 2; + end = TT_PEEK_USHORT( p ); + p += 2 + num_segs2; + start = TT_PEEK_USHORT( p ); + + if ( charcode < start ) + max = mid; + else if ( charcode > end ) + min = mid + 1; + else + { + p += num_segs2; + delta = TT_PEEK_SHORT( p ); + p += num_segs2; + offset = TT_PEEK_USHORT( p ); + + /* some fonts have an incorrect last segment; */ + /* we have to catch it */ + if ( mid >= num_segs - 1 && + start == 0xFFFFU && end == 0xFFFFU ) + { + if ( offset && p + offset + 2 > limit ) + { + delta = 1; + offset = 0; + } + } + + /* search the first segment containing `charcode' */ + if ( cmap->flags & TT_CMAP_FLAG_OVERLAPPING ) + { + FT_UInt i; + + + /* call the current segment `max' */ + max = mid; + + if ( offset == 0xFFFFU ) + mid = max + 1; + + /* search in segments before the current segment */ + for ( i = max; i > 0; i-- ) + { + FT_UInt prev_end; + FT_Byte* old_p; + + + old_p = p; + p = cmap->data + 14 + ( i - 1 ) * 2; + prev_end = TT_PEEK_USHORT( p ); + + if ( charcode > prev_end ) + { + p = old_p; + break; + } + + end = prev_end; + p += 2 + num_segs2; + start = TT_PEEK_USHORT( p ); + p += num_segs2; + delta = TT_PEEK_SHORT( p ); + p += num_segs2; + offset = TT_PEEK_USHORT( p ); + + if ( offset != 0xFFFFU ) + mid = i - 1; + } + + /* no luck */ + if ( mid == max + 1 ) + { + if ( i != max ) + { + p = cmap->data + 14 + max * 2; + end = TT_PEEK_USHORT( p ); + p += 2 + num_segs2; + start = TT_PEEK_USHORT( p ); + p += num_segs2; + delta = TT_PEEK_SHORT( p ); + p += num_segs2; + offset = TT_PEEK_USHORT( p ); + } + + mid = max; + + /* search in segments after the current segment */ + for ( i = max + 1; i < num_segs; i++ ) + { + FT_UInt next_end, next_start; + + + p = cmap->data + 14 + i * 2; + next_end = TT_PEEK_USHORT( p ); + p += 2 + num_segs2; + next_start = TT_PEEK_USHORT( p ); + + if ( charcode < next_start ) + break; + + end = next_end; + start = next_start; + p += num_segs2; + delta = TT_PEEK_SHORT( p ); + p += num_segs2; + offset = TT_PEEK_USHORT( p ); + + if ( offset != 0xFFFFU ) + mid = i; + } + i--; + + /* still no luck */ + if ( mid == max ) + { + mid = i; + + break; + } + } + + /* end, start, delta, and offset are for the i'th segment */ + if ( mid != i ) + { + p = cmap->data + 14 + mid * 2; + end = TT_PEEK_USHORT( p ); + p += 2 + num_segs2; + start = TT_PEEK_USHORT( p ); + p += num_segs2; + delta = TT_PEEK_SHORT( p ); + p += num_segs2; + offset = TT_PEEK_USHORT( p ); + } + } + else + { + if ( offset == 0xFFFFU ) + break; + } + + if ( offset ) + { + p += offset + ( charcode - start ) * 2; + + /* if p > limit, the whole segment is invalid */ + if ( next && p > limit ) + break; + + gindex = TT_PEEK_USHORT( p ); + if ( gindex ) + { + gindex = (FT_UInt)( (FT_Int)gindex + delta ) & 0xFFFFU; + if ( gindex >= (FT_UInt)face->root.num_glyphs ) + gindex = 0; + } + } + else + { + gindex = (FT_UInt)( (FT_Int)charcode + delta ) & 0xFFFFU; + + if ( next && gindex >= (FT_UInt)face->root.num_glyphs ) + { + /* we have an invalid glyph index; if there is an overflow, */ + /* we can adjust `charcode', otherwise the whole segment is */ + /* invalid */ + gindex = 0; + + if ( (FT_Int)charcode + delta < 0 && + (FT_Int)end + delta >= 0 ) + charcode = (FT_UInt)( -delta ); + + else if ( (FT_Int)charcode + delta < 0x10000L && + (FT_Int)end + delta >= 0x10000L ) + charcode = (FT_UInt)( 0x10000L - delta ); + } + } + + break; + } + } + + if ( next ) + { + TT_CMap4 cmap4 = (TT_CMap4)cmap; + + + /* if `charcode' is not in any segment, then `mid' is */ + /* the segment nearest to `charcode' */ + + if ( charcode > end ) + { + mid++; + if ( mid == num_segs ) + return 0; + } + + if ( tt_cmap4_set_range( cmap4, mid ) ) + { + if ( gindex ) + *pcharcode = charcode; + } + else + { + cmap4->cur_charcode = charcode; + + if ( gindex ) + cmap4->cur_gindex = gindex; + else + { + cmap4->cur_charcode = charcode; + tt_cmap4_next( cmap4 ); + gindex = cmap4->cur_gindex; + } + + if ( gindex ) + *pcharcode = cmap4->cur_charcode; + } + } + + return gindex; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap4_char_index( TT_CMap cmap, + FT_UInt32 char_code ) + { + if ( char_code >= 0x10000UL ) + return 0; + + if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) + return tt_cmap4_char_map_linear( cmap, &char_code, 0 ); + else + return tt_cmap4_char_map_binary( cmap, &char_code, 0 ); + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap4_char_next( TT_CMap cmap, + FT_UInt32 *pchar_code ) + { + FT_UInt gindex; + + + if ( *pchar_code >= 0xFFFFU ) + return 0; + + if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) + gindex = tt_cmap4_char_map_linear( cmap, pchar_code, 1 ); + else + { + TT_CMap4 cmap4 = (TT_CMap4)cmap; + + + /* no need to search */ + if ( *pchar_code == cmap4->cur_charcode ) + { + tt_cmap4_next( cmap4 ); + gindex = cmap4->cur_gindex; + if ( gindex ) + *pchar_code = cmap4->cur_charcode; + } + else + gindex = tt_cmap4_char_map_binary( cmap, pchar_code, 1 ); + } + + return gindex; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap4_get_info( TT_CMap cmap, + TT_CMapInfo *cmap_info ) + { + FT_Byte* p = cmap->data + 4; + + + cmap_info->format = 4; + cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); + + return FT_Err_Ok; + } + + + FT_DEFINE_TT_CMAP( + tt_cmap4_class_rec, + + sizeof ( TT_CMap4Rec ), + + (FT_CMap_InitFunc) tt_cmap4_init, /* init */ + (FT_CMap_DoneFunc) NULL, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap4_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap4_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL, /* variantchar_list */ + + 4, + (TT_CMap_ValidateFunc)tt_cmap4_validate, /* validate */ + (TT_CMap_Info_GetFunc)tt_cmap4_get_info /* get_cmap_info */ + ) + +#endif /* TT_CONFIG_CMAP_FORMAT_4 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** FORMAT 6 *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* TABLE OVERVIEW */ + /* -------------- */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* format 0 USHORT must be 6 */ + /* length 2 USHORT table length in bytes */ + /* language 4 USHORT Mac language code */ + /* */ + /* first 6 USHORT first segment code */ + /* count 8 USHORT segment size in chars */ + /* glyphIds 10 USHORT[count] glyph IDs */ + /* */ + /* A very simplified segment mapping. */ + /* */ + +#ifdef TT_CONFIG_CMAP_FORMAT_6 + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap6_validate( FT_Byte* table, + FT_Validator valid ) + { + FT_Byte* p; + FT_UInt length, count; + + + if ( table + 10 > valid->limit ) + FT_INVALID_TOO_SHORT; + + p = table + 2; + length = TT_NEXT_USHORT( p ); + + p = table + 8; /* skip language and start index */ + count = TT_NEXT_USHORT( p ); + + if ( table + length > valid->limit || length < 10 + count * 2 ) + FT_INVALID_TOO_SHORT; + + /* check glyph indices */ + if ( valid->level >= FT_VALIDATE_TIGHT ) + { + FT_UInt gindex; + + + for ( ; count > 0; count-- ) + { + gindex = TT_NEXT_USHORT( p ); + if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) + FT_INVALID_GLYPH_ID; + } + } + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap6_char_index( TT_CMap cmap, + FT_UInt32 char_code ) + { + FT_Byte* table = cmap->data; + FT_UInt result = 0; + FT_Byte* p = table + 6; + FT_UInt start = TT_NEXT_USHORT( p ); + FT_UInt count = TT_NEXT_USHORT( p ); + FT_UInt idx = (FT_UInt)( char_code - start ); + + + if ( idx < count ) + { + p += 2 * idx; + result = TT_PEEK_USHORT( p ); + } + + return result; + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap6_char_next( TT_CMap cmap, + FT_UInt32 *pchar_code ) + { + FT_Byte* table = cmap->data; + FT_UInt32 result = 0; + FT_UInt32 char_code = *pchar_code + 1; + FT_UInt gindex = 0; + + FT_Byte* p = table + 6; + FT_UInt start = TT_NEXT_USHORT( p ); + FT_UInt count = TT_NEXT_USHORT( p ); + FT_UInt idx; + + + if ( char_code >= 0x10000UL ) + return 0; + + if ( char_code < start ) + char_code = start; + + idx = (FT_UInt)( char_code - start ); + p += 2 * idx; + + for ( ; idx < count; idx++ ) + { + gindex = TT_NEXT_USHORT( p ); + if ( gindex != 0 ) + { + result = char_code; + break; + } + + if ( char_code >= 0xFFFFU ) + return 0; + + char_code++; + } + + *pchar_code = result; + return gindex; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap6_get_info( TT_CMap cmap, + TT_CMapInfo *cmap_info ) + { + FT_Byte* p = cmap->data + 4; + + + cmap_info->format = 6; + cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); + + return FT_Err_Ok; + } + + + FT_DEFINE_TT_CMAP( + tt_cmap6_class_rec, + + sizeof ( TT_CMapRec ), + + (FT_CMap_InitFunc) tt_cmap_init, /* init */ + (FT_CMap_DoneFunc) NULL, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap6_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap6_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL, /* variantchar_list */ + + 6, + (TT_CMap_ValidateFunc)tt_cmap6_validate, /* validate */ + (TT_CMap_Info_GetFunc)tt_cmap6_get_info /* get_cmap_info */ + ) + +#endif /* TT_CONFIG_CMAP_FORMAT_6 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** FORMAT 8 *****/ + /***** *****/ + /***** It is hard to completely understand what the OpenType spec *****/ + /***** says about this format, but here is my conclusion. *****/ + /***** *****/ + /***** The purpose of this format is to easily map UTF-16 text to *****/ + /***** glyph indices. Basically, the `char_code' must be in one of *****/ + /***** the following formats. *****/ + /***** *****/ + /***** - A 16-bit value that isn't part of the Unicode Surrogates *****/ + /***** Area (i.e. U+D800-U+DFFF). *****/ + /***** *****/ + /***** - A 32-bit value, made of two surrogate values, i.e.. if *****/ + /***** `char_code = (char_hi << 16) | char_lo', then both *****/ + /***** `char_hi' and `char_lo' must be in the Surrogates Area. *****/ + /***** Area. *****/ + /***** *****/ + /***** The `is32' table embedded in the charmap indicates whether a *****/ + /***** given 16-bit value is in the surrogates area or not. *****/ + /***** *****/ + /***** So, for any given `char_code', we can assert the following. *****/ + /***** *****/ + /***** If `char_hi == 0' then we must have `is32[char_lo] == 0'. *****/ + /***** *****/ + /***** If `char_hi != 0' then we must have both *****/ + /***** `is32[char_hi] != 0' and `is32[char_lo] != 0'. *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* TABLE OVERVIEW */ + /* -------------- */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* format 0 USHORT must be 8 */ + /* reserved 2 USHORT reserved */ + /* length 4 ULONG length in bytes */ + /* language 8 ULONG Mac language code */ + /* is32 12 BYTE[8192] 32-bitness bitmap */ + /* count 8204 ULONG number of groups */ + /* */ + /* This header is followed by `count' groups of the following format: */ + /* */ + /* start 0 ULONG first charcode */ + /* end 4 ULONG last charcode */ + /* startId 8 ULONG start glyph ID for the group */ + /* */ + +#ifdef TT_CONFIG_CMAP_FORMAT_8 + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap8_validate( FT_Byte* table, + FT_Validator valid ) + { + FT_Byte* p = table + 4; + FT_Byte* is32; + FT_UInt32 length; + FT_UInt32 num_groups; + + + if ( table + 16 + 8192 > valid->limit ) + FT_INVALID_TOO_SHORT; + + length = TT_NEXT_ULONG( p ); + if ( length > (FT_UInt32)( valid->limit - table ) || length < 8192 + 16 ) + FT_INVALID_TOO_SHORT; + + is32 = table + 12; + p = is32 + 8192; /* skip `is32' array */ + num_groups = TT_NEXT_ULONG( p ); + + /* p + num_groups * 12 > valid->limit ? */ + if ( num_groups > (FT_UInt32)( valid->limit - p ) / 12 ) + FT_INVALID_TOO_SHORT; + + /* check groups, they must be in increasing order */ + { + FT_UInt32 n, start, end, start_id, count, last = 0; + + + for ( n = 0; n < num_groups; n++ ) + { + FT_UInt hi, lo; + + + start = TT_NEXT_ULONG( p ); + end = TT_NEXT_ULONG( p ); + start_id = TT_NEXT_ULONG( p ); + + if ( start > end ) + FT_INVALID_DATA; + + if ( n > 0 && start <= last ) + FT_INVALID_DATA; + + if ( valid->level >= FT_VALIDATE_TIGHT ) + { + FT_UInt32 d = end - start; + + + /* start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ? */ + if ( d > TT_VALID_GLYPH_COUNT( valid ) || + start_id >= TT_VALID_GLYPH_COUNT( valid ) - d ) + FT_INVALID_GLYPH_ID; + + count = (FT_UInt32)( end - start + 1 ); + + if ( start & ~0xFFFFU ) + { + /* start_hi != 0; check that is32[i] is 1 for each i in */ + /* the `hi' and `lo' of the range [start..end] */ + for ( ; count > 0; count--, start++ ) + { + hi = (FT_UInt)( start >> 16 ); + lo = (FT_UInt)( start & 0xFFFFU ); + + if ( (is32[hi >> 3] & ( 0x80 >> ( hi & 7 ) ) ) == 0 ) + FT_INVALID_DATA; + + if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) == 0 ) + FT_INVALID_DATA; + } + } + else + { + /* start_hi == 0; check that is32[i] is 0 for each i in */ + /* the range [start..end] */ + + /* end_hi cannot be != 0! */ + if ( end & ~0xFFFFU ) + FT_INVALID_DATA; + + for ( ; count > 0; count--, start++ ) + { + lo = (FT_UInt)( start & 0xFFFFU ); + + if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) != 0 ) + FT_INVALID_DATA; + } + } + } + + last = end; + } + } + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap8_char_index( TT_CMap cmap, + FT_UInt32 char_code ) + { + FT_Byte* table = cmap->data; + FT_UInt result = 0; + FT_Byte* p = table + 8204; + FT_UInt32 num_groups = TT_NEXT_ULONG( p ); + FT_UInt32 start, end, start_id; + + + for ( ; num_groups > 0; num_groups-- ) + { + start = TT_NEXT_ULONG( p ); + end = TT_NEXT_ULONG( p ); + start_id = TT_NEXT_ULONG( p ); + + if ( char_code < start ) + break; + + if ( char_code <= end ) + { + if ( start_id > 0xFFFFFFFFUL - ( char_code - start ) ) + return 0; + + result = (FT_UInt)( start_id + ( char_code - start ) ); + break; + } + } + return result; + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap8_char_next( TT_CMap cmap, + FT_UInt32 *pchar_code ) + { + FT_Face face = cmap->cmap.charmap.face; + FT_UInt32 result = 0; + FT_UInt32 char_code; + FT_UInt gindex = 0; + FT_Byte* table = cmap->data; + FT_Byte* p = table + 8204; + FT_UInt32 num_groups = TT_NEXT_ULONG( p ); + FT_UInt32 start, end, start_id; + + + if ( *pchar_code >= 0xFFFFFFFFUL ) + return 0; + + char_code = *pchar_code + 1; + + p = table + 8208; + + for ( ; num_groups > 0; num_groups-- ) + { + start = TT_NEXT_ULONG( p ); + end = TT_NEXT_ULONG( p ); + start_id = TT_NEXT_ULONG( p ); + + if ( char_code < start ) + char_code = start; + + Again: + if ( char_code <= end ) + { + /* ignore invalid group */ + if ( start_id > 0xFFFFFFFFUL - ( char_code - start ) ) + continue; + + gindex = (FT_UInt)( start_id + ( char_code - start ) ); + + /* does first element of group point to `.notdef' glyph? */ + if ( gindex == 0 ) + { + if ( char_code >= 0xFFFFFFFFUL ) + break; + + char_code++; + goto Again; + } + + /* if `gindex' is invalid, the remaining values */ + /* in this group are invalid, too */ + if ( gindex >= (FT_UInt)face->num_glyphs ) + { + gindex = 0; + continue; + } + + result = char_code; + break; + } + } + + *pchar_code = result; + return gindex; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap8_get_info( TT_CMap cmap, + TT_CMapInfo *cmap_info ) + { + FT_Byte* p = cmap->data + 8; + + + cmap_info->format = 8; + cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); + + return FT_Err_Ok; + } + + + FT_DEFINE_TT_CMAP( + tt_cmap8_class_rec, + + sizeof ( TT_CMapRec ), + + (FT_CMap_InitFunc) tt_cmap_init, /* init */ + (FT_CMap_DoneFunc) NULL, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap8_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap8_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL, /* variantchar_list */ + + 8, + (TT_CMap_ValidateFunc)tt_cmap8_validate, /* validate */ + (TT_CMap_Info_GetFunc)tt_cmap8_get_info /* get_cmap_info */ + ) + +#endif /* TT_CONFIG_CMAP_FORMAT_8 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** FORMAT 10 *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* TABLE OVERVIEW */ + /* -------------- */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* format 0 USHORT must be 10 */ + /* reserved 2 USHORT reserved */ + /* length 4 ULONG length in bytes */ + /* language 8 ULONG Mac language code */ + /* */ + /* start 12 ULONG first char in range */ + /* count 16 ULONG number of chars in range */ + /* glyphIds 20 USHORT[count] glyph indices covered */ + /* */ + +#ifdef TT_CONFIG_CMAP_FORMAT_10 + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap10_validate( FT_Byte* table, + FT_Validator valid ) + { + FT_Byte* p = table + 4; + FT_ULong length, count; + + + if ( table + 20 > valid->limit ) + FT_INVALID_TOO_SHORT; + + length = TT_NEXT_ULONG( p ); + p = table + 16; + count = TT_NEXT_ULONG( p ); + + if ( length > (FT_ULong)( valid->limit - table ) || + /* length < 20 + count * 2 ? */ + length < 20 || + ( length - 20 ) / 2 < count ) + FT_INVALID_TOO_SHORT; + + /* check glyph indices */ + if ( valid->level >= FT_VALIDATE_TIGHT ) + { + FT_UInt gindex; + + + for ( ; count > 0; count-- ) + { + gindex = TT_NEXT_USHORT( p ); + if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) + FT_INVALID_GLYPH_ID; + } + } + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap10_char_index( TT_CMap cmap, + FT_UInt32 char_code ) + { + FT_Byte* table = cmap->data; + FT_UInt result = 0; + FT_Byte* p = table + 12; + FT_UInt32 start = TT_NEXT_ULONG( p ); + FT_UInt32 count = TT_NEXT_ULONG( p ); + FT_UInt32 idx; + + + if ( char_code < start ) + return 0; + + idx = char_code - start; + + if ( idx < count ) + { + p += 2 * idx; + result = TT_PEEK_USHORT( p ); + } + + return result; + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap10_char_next( TT_CMap cmap, + FT_UInt32 *pchar_code ) + { + FT_Byte* table = cmap->data; + FT_UInt32 char_code; + FT_UInt gindex = 0; + FT_Byte* p = table + 12; + FT_UInt32 start = TT_NEXT_ULONG( p ); + FT_UInt32 count = TT_NEXT_ULONG( p ); + FT_UInt32 idx; + + + if ( *pchar_code >= 0xFFFFFFFFUL ) + return 0; + + char_code = *pchar_code + 1; + + if ( char_code < start ) + char_code = start; + + idx = char_code - start; + p += 2 * idx; + + for ( ; idx < count; idx++ ) + { + gindex = TT_NEXT_USHORT( p ); + if ( gindex != 0 ) + break; + + if ( char_code >= 0xFFFFFFFFUL ) + return 0; + + char_code++; + } + + *pchar_code = char_code; + return gindex; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap10_get_info( TT_CMap cmap, + TT_CMapInfo *cmap_info ) + { + FT_Byte* p = cmap->data + 8; + + + cmap_info->format = 10; + cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); + + return FT_Err_Ok; + } + + + FT_DEFINE_TT_CMAP( + tt_cmap10_class_rec, + + sizeof ( TT_CMapRec ), + + (FT_CMap_InitFunc) tt_cmap_init, /* init */ + (FT_CMap_DoneFunc) NULL, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap10_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap10_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL, /* variantchar_list */ + + 10, + (TT_CMap_ValidateFunc)tt_cmap10_validate, /* validate */ + (TT_CMap_Info_GetFunc)tt_cmap10_get_info /* get_cmap_info */ + ) + +#endif /* TT_CONFIG_CMAP_FORMAT_10 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** FORMAT 12 *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* TABLE OVERVIEW */ + /* -------------- */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* format 0 USHORT must be 12 */ + /* reserved 2 USHORT reserved */ + /* length 4 ULONG length in bytes */ + /* language 8 ULONG Mac language code */ + /* count 12 ULONG number of groups */ + /* 16 */ + /* */ + /* This header is followed by `count' groups of the following format: */ + /* */ + /* start 0 ULONG first charcode */ + /* end 4 ULONG last charcode */ + /* startId 8 ULONG start glyph ID for the group */ + /* */ + +#ifdef TT_CONFIG_CMAP_FORMAT_12 + + typedef struct TT_CMap12Rec_ + { + TT_CMapRec cmap; + FT_Bool valid; + FT_ULong cur_charcode; + FT_UInt cur_gindex; + FT_ULong cur_group; + FT_ULong num_groups; + + } TT_CMap12Rec, *TT_CMap12; + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap12_init( TT_CMap12 cmap, + FT_Byte* table ) + { + cmap->cmap.data = table; + + table += 12; + cmap->num_groups = FT_PEEK_ULONG( table ); + + cmap->valid = 0; + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap12_validate( FT_Byte* table, + FT_Validator valid ) + { + FT_Byte* p; + FT_ULong length; + FT_ULong num_groups; + + + if ( table + 16 > valid->limit ) + FT_INVALID_TOO_SHORT; + + p = table + 4; + length = TT_NEXT_ULONG( p ); + + p = table + 12; + num_groups = TT_NEXT_ULONG( p ); + + if ( length > (FT_ULong)( valid->limit - table ) || + /* length < 16 + 12 * num_groups ? */ + length < 16 || + ( length - 16 ) / 12 < num_groups ) + FT_INVALID_TOO_SHORT; + + /* check groups, they must be in increasing order */ + { + FT_ULong n, start, end, start_id, last = 0; + + + for ( n = 0; n < num_groups; n++ ) + { + start = TT_NEXT_ULONG( p ); + end = TT_NEXT_ULONG( p ); + start_id = TT_NEXT_ULONG( p ); + + if ( start > end ) + FT_INVALID_DATA; + + if ( n > 0 && start <= last ) + FT_INVALID_DATA; + + if ( valid->level >= FT_VALIDATE_TIGHT ) + { + FT_UInt32 d = end - start; + + + /* start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ? */ + if ( d > TT_VALID_GLYPH_COUNT( valid ) || + start_id >= TT_VALID_GLYPH_COUNT( valid ) - d ) + FT_INVALID_GLYPH_ID; + } + + last = end; + } + } + + return FT_Err_Ok; + } + + + /* search the index of the charcode next to cmap->cur_charcode */ + /* cmap->cur_group should be set up properly by caller */ + /* */ + static void + tt_cmap12_next( TT_CMap12 cmap ) + { + FT_Face face = cmap->cmap.cmap.charmap.face; + FT_Byte* p; + FT_ULong start, end, start_id, char_code; + FT_ULong n; + FT_UInt gindex; + + + if ( cmap->cur_charcode >= 0xFFFFFFFFUL ) + goto Fail; + + char_code = cmap->cur_charcode + 1; + + for ( n = cmap->cur_group; n < cmap->num_groups; n++ ) + { + p = cmap->cmap.data + 16 + 12 * n; + start = TT_NEXT_ULONG( p ); + end = TT_NEXT_ULONG( p ); + start_id = TT_PEEK_ULONG( p ); + + if ( char_code < start ) + char_code = start; + + Again: + if ( char_code <= end ) + { + /* ignore invalid group */ + if ( start_id > 0xFFFFFFFFUL - ( char_code - start ) ) + continue; + + gindex = (FT_UInt)( start_id + ( char_code - start ) ); + + /* does first element of group point to `.notdef' glyph? */ + if ( gindex == 0 ) + { + if ( char_code >= 0xFFFFFFFFUL ) + goto Fail; + + char_code++; + goto Again; + } + + /* if `gindex' is invalid, the remaining values */ + /* in this group are invalid, too */ + if ( gindex >= (FT_UInt)face->num_glyphs ) + { + gindex = 0; + continue; + } + + cmap->cur_charcode = char_code; + cmap->cur_gindex = gindex; + cmap->cur_group = n; + + return; + } + } + + Fail: + cmap->valid = 0; + } + + + static FT_UInt + tt_cmap12_char_map_binary( TT_CMap cmap, + FT_UInt32* pchar_code, + FT_Bool next ) + { + FT_UInt gindex = 0; + FT_Byte* p = cmap->data + 12; + FT_UInt32 num_groups = TT_PEEK_ULONG( p ); + FT_UInt32 char_code = *pchar_code; + FT_UInt32 start, end, start_id; + FT_UInt32 max, min, mid; + + + if ( !num_groups ) + return 0; + + /* make compiler happy */ + mid = num_groups; + end = 0xFFFFFFFFUL; + + if ( next ) + { + if ( char_code >= 0xFFFFFFFFUL ) + return 0; + + char_code++; + } + + min = 0; + max = num_groups; + + /* binary search */ + while ( min < max ) + { + mid = ( min + max ) >> 1; + p = cmap->data + 16 + 12 * mid; + + start = TT_NEXT_ULONG( p ); + end = TT_NEXT_ULONG( p ); + + if ( char_code < start ) + max = mid; + else if ( char_code > end ) + min = mid + 1; + else + { + start_id = TT_PEEK_ULONG( p ); + + /* reject invalid glyph index */ + if ( start_id > 0xFFFFFFFFUL - ( char_code - start ) ) + gindex = 0; + else + gindex = (FT_UInt)( start_id + ( char_code - start ) ); + break; + } + } + + if ( next ) + { + FT_Face face = cmap->cmap.charmap.face; + TT_CMap12 cmap12 = (TT_CMap12)cmap; + + + /* if `char_code' is not in any group, then `mid' is */ + /* the group nearest to `char_code' */ + + if ( char_code > end ) + { + mid++; + if ( mid == num_groups ) + return 0; + } + + cmap12->valid = 1; + cmap12->cur_charcode = char_code; + cmap12->cur_group = mid; + + if ( gindex >= (FT_UInt)face->num_glyphs ) + gindex = 0; + + if ( !gindex ) + { + tt_cmap12_next( cmap12 ); + + if ( cmap12->valid ) + gindex = cmap12->cur_gindex; + } + else + cmap12->cur_gindex = gindex; + + *pchar_code = cmap12->cur_charcode; + } + + return gindex; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap12_char_index( TT_CMap cmap, + FT_UInt32 char_code ) + { + return tt_cmap12_char_map_binary( cmap, &char_code, 0 ); + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap12_char_next( TT_CMap cmap, + FT_UInt32 *pchar_code ) + { + TT_CMap12 cmap12 = (TT_CMap12)cmap; + FT_UInt gindex; + + + /* no need to search */ + if ( cmap12->valid && cmap12->cur_charcode == *pchar_code ) + { + tt_cmap12_next( cmap12 ); + if ( cmap12->valid ) + { + gindex = cmap12->cur_gindex; + *pchar_code = (FT_UInt32)cmap12->cur_charcode; + } + else + gindex = 0; + } + else + gindex = tt_cmap12_char_map_binary( cmap, pchar_code, 1 ); + + return gindex; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap12_get_info( TT_CMap cmap, + TT_CMapInfo *cmap_info ) + { + FT_Byte* p = cmap->data + 8; + + + cmap_info->format = 12; + cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); + + return FT_Err_Ok; + } + + + FT_DEFINE_TT_CMAP( + tt_cmap12_class_rec, + + sizeof ( TT_CMap12Rec ), + + (FT_CMap_InitFunc) tt_cmap12_init, /* init */ + (FT_CMap_DoneFunc) NULL, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap12_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap12_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL, /* variantchar_list */ + + 12, + (TT_CMap_ValidateFunc)tt_cmap12_validate, /* validate */ + (TT_CMap_Info_GetFunc)tt_cmap12_get_info /* get_cmap_info */ + ) + +#endif /* TT_CONFIG_CMAP_FORMAT_12 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** FORMAT 13 *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* TABLE OVERVIEW */ + /* -------------- */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* format 0 USHORT must be 13 */ + /* reserved 2 USHORT reserved */ + /* length 4 ULONG length in bytes */ + /* language 8 ULONG Mac language code */ + /* count 12 ULONG number of groups */ + /* 16 */ + /* */ + /* This header is followed by `count' groups of the following format: */ + /* */ + /* start 0 ULONG first charcode */ + /* end 4 ULONG last charcode */ + /* glyphId 8 ULONG glyph ID for the whole group */ + /* */ + +#ifdef TT_CONFIG_CMAP_FORMAT_13 + + typedef struct TT_CMap13Rec_ + { + TT_CMapRec cmap; + FT_Bool valid; + FT_ULong cur_charcode; + FT_UInt cur_gindex; + FT_ULong cur_group; + FT_ULong num_groups; + + } TT_CMap13Rec, *TT_CMap13; + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap13_init( TT_CMap13 cmap, + FT_Byte* table ) + { + cmap->cmap.data = table; + + table += 12; + cmap->num_groups = FT_PEEK_ULONG( table ); + + cmap->valid = 0; + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap13_validate( FT_Byte* table, + FT_Validator valid ) + { + FT_Byte* p; + FT_ULong length; + FT_ULong num_groups; + + + if ( table + 16 > valid->limit ) + FT_INVALID_TOO_SHORT; + + p = table + 4; + length = TT_NEXT_ULONG( p ); + + p = table + 12; + num_groups = TT_NEXT_ULONG( p ); + + if ( length > (FT_ULong)( valid->limit - table ) || + /* length < 16 + 12 * num_groups ? */ + length < 16 || + ( length - 16 ) / 12 < num_groups ) + FT_INVALID_TOO_SHORT; + + /* check groups, they must be in increasing order */ + { + FT_ULong n, start, end, glyph_id, last = 0; + + + for ( n = 0; n < num_groups; n++ ) + { + start = TT_NEXT_ULONG( p ); + end = TT_NEXT_ULONG( p ); + glyph_id = TT_NEXT_ULONG( p ); + + if ( start > end ) + FT_INVALID_DATA; + + if ( n > 0 && start <= last ) + FT_INVALID_DATA; + + if ( valid->level >= FT_VALIDATE_TIGHT ) + { + if ( glyph_id >= TT_VALID_GLYPH_COUNT( valid ) ) + FT_INVALID_GLYPH_ID; + } + + last = end; + } + } + + return FT_Err_Ok; + } + + + /* search the index of the charcode next to cmap->cur_charcode */ + /* cmap->cur_group should be set up properly by caller */ + /* */ + static void + tt_cmap13_next( TT_CMap13 cmap ) + { + FT_Face face = cmap->cmap.cmap.charmap.face; + FT_Byte* p; + FT_ULong start, end, glyph_id, char_code; + FT_ULong n; + FT_UInt gindex; + + + if ( cmap->cur_charcode >= 0xFFFFFFFFUL ) + goto Fail; + + char_code = cmap->cur_charcode + 1; + + for ( n = cmap->cur_group; n < cmap->num_groups; n++ ) + { + p = cmap->cmap.data + 16 + 12 * n; + start = TT_NEXT_ULONG( p ); + end = TT_NEXT_ULONG( p ); + glyph_id = TT_PEEK_ULONG( p ); + + if ( char_code < start ) + char_code = start; + + if ( char_code <= end ) + { + gindex = (FT_UInt)glyph_id; + + if ( gindex && gindex < (FT_UInt)face->num_glyphs ) + { + cmap->cur_charcode = char_code; + cmap->cur_gindex = gindex; + cmap->cur_group = n; + + return; + } + } + } + + Fail: + cmap->valid = 0; + } + + + static FT_UInt + tt_cmap13_char_map_binary( TT_CMap cmap, + FT_UInt32* pchar_code, + FT_Bool next ) + { + FT_UInt gindex = 0; + FT_Byte* p = cmap->data + 12; + FT_UInt32 num_groups = TT_PEEK_ULONG( p ); + FT_UInt32 char_code = *pchar_code; + FT_UInt32 start, end; + FT_UInt32 max, min, mid; + + + if ( !num_groups ) + return 0; + + /* make compiler happy */ + mid = num_groups; + end = 0xFFFFFFFFUL; + + if ( next ) + { + if ( char_code >= 0xFFFFFFFFUL ) + return 0; + + char_code++; + } + + min = 0; + max = num_groups; + + /* binary search */ + while ( min < max ) + { + mid = ( min + max ) >> 1; + p = cmap->data + 16 + 12 * mid; + + start = TT_NEXT_ULONG( p ); + end = TT_NEXT_ULONG( p ); + + if ( char_code < start ) + max = mid; + else if ( char_code > end ) + min = mid + 1; + else + { + gindex = (FT_UInt)TT_PEEK_ULONG( p ); + + break; + } + } + + if ( next ) + { + FT_Face face = cmap->cmap.charmap.face; + TT_CMap13 cmap13 = (TT_CMap13)cmap; + + + /* if `char_code' is not in any group, then `mid' is */ + /* the group nearest to `char_code' */ + + if ( char_code > end ) + { + mid++; + if ( mid == num_groups ) + return 0; + } + + cmap13->valid = 1; + cmap13->cur_charcode = char_code; + cmap13->cur_group = mid; + + if ( gindex >= (FT_UInt)face->num_glyphs ) + gindex = 0; + + if ( !gindex ) + { + tt_cmap13_next( cmap13 ); + + if ( cmap13->valid ) + gindex = cmap13->cur_gindex; + } + else + cmap13->cur_gindex = gindex; + + *pchar_code = cmap13->cur_charcode; + } + + return gindex; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap13_char_index( TT_CMap cmap, + FT_UInt32 char_code ) + { + return tt_cmap13_char_map_binary( cmap, &char_code, 0 ); + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap13_char_next( TT_CMap cmap, + FT_UInt32 *pchar_code ) + { + TT_CMap13 cmap13 = (TT_CMap13)cmap; + FT_UInt gindex; + + + /* no need to search */ + if ( cmap13->valid && cmap13->cur_charcode == *pchar_code ) + { + tt_cmap13_next( cmap13 ); + if ( cmap13->valid ) + { + gindex = cmap13->cur_gindex; + *pchar_code = cmap13->cur_charcode; + } + else + gindex = 0; + } + else + gindex = tt_cmap13_char_map_binary( cmap, pchar_code, 1 ); + + return gindex; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap13_get_info( TT_CMap cmap, + TT_CMapInfo *cmap_info ) + { + FT_Byte* p = cmap->data + 8; + + + cmap_info->format = 13; + cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); + + return FT_Err_Ok; + } + + + FT_DEFINE_TT_CMAP( + tt_cmap13_class_rec, + + sizeof ( TT_CMap13Rec ), + + (FT_CMap_InitFunc) tt_cmap13_init, /* init */ + (FT_CMap_DoneFunc) NULL, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap13_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap13_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL, /* variantchar_list */ + + 13, + (TT_CMap_ValidateFunc)tt_cmap13_validate, /* validate */ + (TT_CMap_Info_GetFunc)tt_cmap13_get_info /* get_cmap_info */ + ) + +#endif /* TT_CONFIG_CMAP_FORMAT_13 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** FORMAT 14 *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* TABLE OVERVIEW */ + /* -------------- */ + /* */ + /* NAME OFFSET TYPE DESCRIPTION */ + /* */ + /* format 0 USHORT must be 14 */ + /* length 2 ULONG table length in bytes */ + /* numSelector 6 ULONG number of variation sel. records */ + /* */ + /* Followed by numSelector records, each of which looks like */ + /* */ + /* varSelector 0 UINT24 Unicode codepoint of sel. */ + /* defaultOff 3 ULONG offset to a default UVS table */ + /* describing any variants to be found in */ + /* the normal Unicode subtable. */ + /* nonDefOff 7 ULONG offset to a non-default UVS table */ + /* describing any variants not in the */ + /* standard cmap, with GIDs here */ + /* (either offset may be 0 NULL) */ + /* */ + /* Selectors are sorted by code point. */ + /* */ + /* A default Unicode Variation Selector (UVS) subtable is just a list of */ + /* ranges of code points which are to be found in the standard cmap. No */ + /* glyph IDs (GIDs) here. */ + /* */ + /* numRanges 0 ULONG number of ranges following */ + /* */ + /* A range looks like */ + /* */ + /* uniStart 0 UINT24 code point of the first character in */ + /* this range */ + /* additionalCnt 3 UBYTE count of additional characters in this */ + /* range (zero means a range of a single */ + /* character) */ + /* */ + /* Ranges are sorted by `uniStart'. */ + /* */ + /* A non-default Unicode Variation Selector (UVS) subtable is a list of */ + /* mappings from codepoint to GID. */ + /* */ + /* numMappings 0 ULONG number of mappings */ + /* */ + /* A range looks like */ + /* */ + /* uniStart 0 UINT24 code point of the first character in */ + /* this range */ + /* GID 3 USHORT and its GID */ + /* */ + /* Ranges are sorted by `uniStart'. */ + +#ifdef TT_CONFIG_CMAP_FORMAT_14 + + typedef struct TT_CMap14Rec_ + { + TT_CMapRec cmap; + FT_ULong num_selectors; + + /* This array is used to store the results of various + * cmap 14 query functions. The data is overwritten + * on each call to these functions. + */ + FT_UInt32 max_results; + FT_UInt32* results; + FT_Memory memory; + + } TT_CMap14Rec, *TT_CMap14; + + + FT_CALLBACK_DEF( void ) + tt_cmap14_done( TT_CMap14 cmap ) + { + FT_Memory memory = cmap->memory; + + + cmap->max_results = 0; + if ( memory && cmap->results ) + FT_FREE( cmap->results ); + } + + + static FT_Error + tt_cmap14_ensure( TT_CMap14 cmap, + FT_UInt32 num_results, + FT_Memory memory ) + { + FT_UInt32 old_max = cmap->max_results; + FT_Error error = FT_Err_Ok; + + + if ( num_results > cmap->max_results ) + { + cmap->memory = memory; + + if ( FT_QRENEW_ARRAY( cmap->results, old_max, num_results ) ) + return error; + + cmap->max_results = num_results; + } + + return error; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap14_init( TT_CMap14 cmap, + FT_Byte* table ) + { + cmap->cmap.data = table; + + table += 6; + cmap->num_selectors = FT_PEEK_ULONG( table ); + cmap->max_results = 0; + cmap->results = NULL; + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap14_validate( FT_Byte* table, + FT_Validator valid ) + { + FT_Byte* p; + FT_ULong length; + FT_ULong num_selectors; + + + if ( table + 2 + 4 + 4 > valid->limit ) + FT_INVALID_TOO_SHORT; + + p = table + 2; + length = TT_NEXT_ULONG( p ); + num_selectors = TT_NEXT_ULONG( p ); + + if ( length > (FT_ULong)( valid->limit - table ) || + /* length < 10 + 11 * num_selectors ? */ + length < 10 || + ( length - 10 ) / 11 < num_selectors ) + FT_INVALID_TOO_SHORT; + + /* check selectors, they must be in increasing order */ + { + /* we start lastVarSel at 1 because a variant selector value of 0 + * isn't valid. + */ + FT_ULong n, lastVarSel = 1; + + + for ( n = 0; n < num_selectors; n++ ) + { + FT_ULong varSel = TT_NEXT_UINT24( p ); + FT_ULong defOff = TT_NEXT_ULONG( p ); + FT_ULong nondefOff = TT_NEXT_ULONG( p ); + + + if ( defOff >= length || nondefOff >= length ) + FT_INVALID_TOO_SHORT; + + if ( varSel < lastVarSel ) + FT_INVALID_DATA; + + lastVarSel = varSel + 1; + + /* check the default table (these glyphs should be reached */ + /* through the normal Unicode cmap, no GIDs, just check order) */ + if ( defOff != 0 ) + { + FT_Byte* defp = table + defOff; + FT_ULong numRanges; + FT_ULong i; + FT_ULong lastBase = 0; + + + if ( defp + 4 > valid->limit ) + FT_INVALID_TOO_SHORT; + + numRanges = TT_NEXT_ULONG( defp ); + + /* defp + numRanges * 4 > valid->limit ? */ + if ( numRanges > (FT_ULong)( valid->limit - defp ) / 4 ) + FT_INVALID_TOO_SHORT; + + for ( i = 0; i < numRanges; i++ ) + { + FT_ULong base = TT_NEXT_UINT24( defp ); + FT_ULong cnt = FT_NEXT_BYTE( defp ); + + + if ( base + cnt >= 0x110000UL ) /* end of Unicode */ + FT_INVALID_DATA; + + if ( base < lastBase ) + FT_INVALID_DATA; + + lastBase = base + cnt + 1U; + } + } + + /* and the non-default table (these glyphs are specified here) */ + if ( nondefOff != 0 ) + { + FT_Byte* ndp = table + nondefOff; + FT_ULong numMappings; + FT_ULong i, lastUni = 0; + + + if ( ndp + 4 > valid->limit ) + FT_INVALID_TOO_SHORT; + + numMappings = TT_NEXT_ULONG( ndp ); + + /* numMappings * 5 > (FT_ULong)( valid->limit - ndp ) ? */ + if ( numMappings > ( (FT_ULong)( valid->limit - ndp ) ) / 5 ) + FT_INVALID_TOO_SHORT; + + for ( i = 0; i < numMappings; i++ ) + { + FT_ULong uni = TT_NEXT_UINT24( ndp ); + FT_ULong gid = TT_NEXT_USHORT( ndp ); + + + if ( uni >= 0x110000UL ) /* end of Unicode */ + FT_INVALID_DATA; + + if ( uni < lastUni ) + FT_INVALID_DATA; + + lastUni = uni + 1U; + + if ( valid->level >= FT_VALIDATE_TIGHT && + gid >= TT_VALID_GLYPH_COUNT( valid ) ) + FT_INVALID_GLYPH_ID; + } + } + } + } + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap14_char_index( TT_CMap cmap, + FT_UInt32 char_code ) + { + FT_UNUSED( cmap ); + FT_UNUSED( char_code ); + + /* This can't happen */ + return 0; + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap14_char_next( TT_CMap cmap, + FT_UInt32 *pchar_code ) + { + FT_UNUSED( cmap ); + + /* This can't happen */ + *pchar_code = 0; + return 0; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap14_get_info( TT_CMap cmap, + TT_CMapInfo *cmap_info ) + { + FT_UNUSED( cmap ); + + cmap_info->format = 14; + /* subtable 14 does not define a language field */ + cmap_info->language = 0xFFFFFFFFUL; + + return FT_Err_Ok; + } + + + static FT_UInt + tt_cmap14_char_map_def_binary( FT_Byte *base, + FT_UInt32 char_code ) + { + FT_UInt32 numRanges = TT_PEEK_ULONG( base ); + FT_UInt32 max, min; + + + min = 0; + max = numRanges; + + base += 4; + + /* binary search */ + while ( min < max ) + { + FT_UInt32 mid = ( min + max ) >> 1; + FT_Byte* p = base + 4 * mid; + FT_ULong start = TT_NEXT_UINT24( p ); + FT_UInt cnt = FT_NEXT_BYTE( p ); + + + if ( char_code < start ) + max = mid; + else if ( char_code > start + cnt ) + min = mid + 1; + else + return TRUE; + } + + return FALSE; + } + + + static FT_UInt + tt_cmap14_char_map_nondef_binary( FT_Byte *base, + FT_UInt32 char_code ) + { + FT_UInt32 numMappings = TT_PEEK_ULONG( base ); + FT_UInt32 max, min; + + + min = 0; + max = numMappings; + + base += 4; + + /* binary search */ + while ( min < max ) + { + FT_UInt32 mid = ( min + max ) >> 1; + FT_Byte* p = base + 5 * mid; + FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p ); + + + if ( char_code < uni ) + max = mid; + else if ( char_code > uni ) + min = mid + 1; + else + return TT_PEEK_USHORT( p ); + } + + return 0; + } + + + static FT_Byte* + tt_cmap14_find_variant( FT_Byte *base, + FT_UInt32 variantCode ) + { + FT_UInt32 numVar = TT_PEEK_ULONG( base ); + FT_UInt32 max, min; + + + min = 0; + max = numVar; + + base += 4; + + /* binary search */ + while ( min < max ) + { + FT_UInt32 mid = ( min + max ) >> 1; + FT_Byte* p = base + 11 * mid; + FT_ULong varSel = TT_NEXT_UINT24( p ); + + + if ( variantCode < varSel ) + max = mid; + else if ( variantCode > varSel ) + min = mid + 1; + else + return p; + } + + return NULL; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap14_char_var_index( TT_CMap cmap, + TT_CMap ucmap, + FT_UInt32 charcode, + FT_UInt32 variantSelector ) + { + FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); + FT_ULong defOff; + FT_ULong nondefOff; + + + if ( !p ) + return 0; + + defOff = TT_NEXT_ULONG( p ); + nondefOff = TT_PEEK_ULONG( p ); + + if ( defOff != 0 && + tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) + { + /* This is the default variant of this charcode. GID not stored */ + /* here; stored in the normal Unicode charmap instead. */ + return ucmap->cmap.clazz->char_index( &ucmap->cmap, charcode ); + } + + if ( nondefOff != 0 ) + return tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, + charcode ); + + return 0; + } + + + FT_CALLBACK_DEF( FT_Int ) + tt_cmap14_char_var_isdefault( TT_CMap cmap, + FT_UInt32 charcode, + FT_UInt32 variantSelector ) + { + FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); + FT_ULong defOff; + FT_ULong nondefOff; + + + if ( !p ) + return -1; + + defOff = TT_NEXT_ULONG( p ); + nondefOff = TT_NEXT_ULONG( p ); + + if ( defOff != 0 && + tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) + return 1; + + if ( nondefOff != 0 && + tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, + charcode ) != 0 ) + return 0; + + return -1; + } + + + FT_CALLBACK_DEF( FT_UInt32* ) + tt_cmap14_variants( TT_CMap cmap, + FT_Memory memory ) + { + TT_CMap14 cmap14 = (TT_CMap14)cmap; + FT_UInt32 count = cmap14->num_selectors; + FT_Byte* p = cmap->data + 10; + FT_UInt32* result; + FT_UInt32 i; + + + if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) + return NULL; + + result = cmap14->results; + for ( i = 0; i < count; i++ ) + { + result[i] = (FT_UInt32)TT_NEXT_UINT24( p ); + p += 8; + } + result[i] = 0; + + return result; + } + + + FT_CALLBACK_DEF( FT_UInt32 * ) + tt_cmap14_char_variants( TT_CMap cmap, + FT_Memory memory, + FT_UInt32 charCode ) + { + TT_CMap14 cmap14 = (TT_CMap14) cmap; + FT_UInt32 count = cmap14->num_selectors; + FT_Byte* p = cmap->data + 10; + FT_UInt32* q; + + + if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) + return NULL; + + for ( q = cmap14->results; count > 0; count-- ) + { + FT_UInt32 varSel = TT_NEXT_UINT24( p ); + FT_ULong defOff = TT_NEXT_ULONG( p ); + FT_ULong nondefOff = TT_NEXT_ULONG( p ); + + + if ( ( defOff != 0 && + tt_cmap14_char_map_def_binary( cmap->data + defOff, + charCode ) ) || + ( nondefOff != 0 && + tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, + charCode ) != 0 ) ) + { + q[0] = varSel; + q++; + } + } + q[0] = 0; + + return cmap14->results; + } + + + static FT_UInt + tt_cmap14_def_char_count( FT_Byte *p ) + { + FT_UInt32 numRanges = (FT_UInt32)TT_NEXT_ULONG( p ); + FT_UInt tot = 0; + + + p += 3; /* point to the first `cnt' field */ + for ( ; numRanges > 0; numRanges-- ) + { + tot += 1 + p[0]; + p += 4; + } + + return tot; + } + + + static FT_UInt32* + tt_cmap14_get_def_chars( TT_CMap cmap, + FT_Byte* p, + FT_Memory memory ) + { + TT_CMap14 cmap14 = (TT_CMap14) cmap; + FT_UInt32 numRanges; + FT_UInt cnt; + FT_UInt32* q; + + + cnt = tt_cmap14_def_char_count( p ); + numRanges = (FT_UInt32)TT_NEXT_ULONG( p ); + + if ( tt_cmap14_ensure( cmap14, ( cnt + 1 ), memory ) ) + return NULL; + + for ( q = cmap14->results; numRanges > 0; numRanges-- ) + { + FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p ); + + + cnt = FT_NEXT_BYTE( p ) + 1; + do + { + q[0] = uni; + uni += 1; + q += 1; + + } while ( --cnt != 0 ); + } + q[0] = 0; + + return cmap14->results; + } + + + static FT_UInt32* + tt_cmap14_get_nondef_chars( TT_CMap cmap, + FT_Byte *p, + FT_Memory memory ) + { + TT_CMap14 cmap14 = (TT_CMap14) cmap; + FT_UInt32 numMappings; + FT_UInt i; + FT_UInt32 *ret; + + + numMappings = (FT_UInt32)TT_NEXT_ULONG( p ); + + if ( tt_cmap14_ensure( cmap14, ( numMappings + 1 ), memory ) ) + return NULL; + + ret = cmap14->results; + for ( i = 0; i < numMappings; i++ ) + { + ret[i] = (FT_UInt32)TT_NEXT_UINT24( p ); + p += 2; + } + ret[i] = 0; + + return ret; + } + + + FT_CALLBACK_DEF( FT_UInt32 * ) + tt_cmap14_variant_chars( TT_CMap cmap, + FT_Memory memory, + FT_UInt32 variantSelector ) + { + FT_Byte *p = tt_cmap14_find_variant( cmap->data + 6, + variantSelector ); + FT_Int i; + FT_ULong defOff; + FT_ULong nondefOff; + + + if ( !p ) + return NULL; + + defOff = TT_NEXT_ULONG( p ); + nondefOff = TT_NEXT_ULONG( p ); + + if ( defOff == 0 && nondefOff == 0 ) + return NULL; + + if ( defOff == 0 ) + return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, + memory ); + else if ( nondefOff == 0 ) + return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, + memory ); + else + { + /* Both a default and a non-default glyph set? That's probably not */ + /* good font design, but the spec allows for it... */ + TT_CMap14 cmap14 = (TT_CMap14) cmap; + FT_UInt32 numRanges; + FT_UInt32 numMappings; + FT_UInt32 duni; + FT_UInt32 dcnt; + FT_UInt32 nuni; + FT_Byte* dp; + FT_UInt di, ni, k; + + FT_UInt32 *ret; + + + p = cmap->data + nondefOff; + dp = cmap->data + defOff; + + numMappings = (FT_UInt32)TT_NEXT_ULONG( p ); + dcnt = tt_cmap14_def_char_count( dp ); + numRanges = (FT_UInt32)TT_NEXT_ULONG( dp ); + + if ( numMappings == 0 ) + return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, + memory ); + if ( dcnt == 0 ) + return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, + memory ); + + if ( tt_cmap14_ensure( cmap14, ( dcnt + numMappings + 1 ), memory ) ) + return NULL; + + ret = cmap14->results; + duni = (FT_UInt32)TT_NEXT_UINT24( dp ); + dcnt = FT_NEXT_BYTE( dp ); + di = 1; + nuni = (FT_UInt32)TT_NEXT_UINT24( p ); + p += 2; + ni = 1; + i = 0; + + for (;;) + { + if ( nuni > duni + dcnt ) + { + for ( k = 0; k <= dcnt; k++ ) + ret[i++] = duni + k; + + di++; + + if ( di > numRanges ) + break; + + duni = (FT_UInt32)TT_NEXT_UINT24( dp ); + dcnt = FT_NEXT_BYTE( dp ); + } + else + { + if ( nuni < duni ) + ret[i++] = nuni; + /* If it is within the default range then ignore it -- */ + /* that should not have happened */ + ni++; + if ( ni > numMappings ) + break; + + nuni = (FT_UInt32)TT_NEXT_UINT24( p ); + p += 2; + } + } + + if ( ni <= numMappings ) + { + /* If we get here then we have run out of all default ranges. */ + /* We have read one non-default mapping which we haven't stored */ + /* and there may be others that need to be read. */ + ret[i++] = nuni; + while ( ni < numMappings ) + { + ret[i++] = (FT_UInt32)TT_NEXT_UINT24( p ); + p += 2; + ni++; + } + } + else if ( di <= numRanges ) + { + /* If we get here then we have run out of all non-default */ + /* mappings. We have read one default range which we haven't */ + /* stored and there may be others that need to be read. */ + for ( k = 0; k <= dcnt; k++ ) + ret[i++] = duni + k; + + while ( di < numRanges ) + { + duni = (FT_UInt32)TT_NEXT_UINT24( dp ); + dcnt = FT_NEXT_BYTE( dp ); + + for ( k = 0; k <= dcnt; k++ ) + ret[i++] = duni + k; + di++; + } + } + + ret[i] = 0; + + return ret; + } + } + + + FT_DEFINE_TT_CMAP( + tt_cmap14_class_rec, + + sizeof ( TT_CMap14Rec ), + + (FT_CMap_InitFunc) tt_cmap14_init, /* init */ + (FT_CMap_DoneFunc) tt_cmap14_done, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap14_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap14_char_next, /* char_next */ + + /* Format 14 extension functions */ + (FT_CMap_CharVarIndexFunc) tt_cmap14_char_var_index, + (FT_CMap_CharVarIsDefaultFunc)tt_cmap14_char_var_isdefault, + (FT_CMap_VariantListFunc) tt_cmap14_variants, + (FT_CMap_CharVariantListFunc) tt_cmap14_char_variants, + (FT_CMap_VariantCharListFunc) tt_cmap14_variant_chars, + + 14, + (TT_CMap_ValidateFunc)tt_cmap14_validate, /* validate */ + (TT_CMap_Info_GetFunc)tt_cmap14_get_info /* get_cmap_info */ + ) + +#endif /* TT_CONFIG_CMAP_FORMAT_14 */ + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** SYNTHETIC UNICODE *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + /* This charmap is generated using postscript glyph names. */ + +#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES + + FT_CALLBACK_DEF( const char * ) + tt_get_glyph_name( TT_Face face, + FT_UInt idx ) + { + FT_String* PSname; + + + tt_face_get_ps_name( face, idx, &PSname ); + + return PSname; + } + + + FT_CALLBACK_DEF( FT_Error ) + tt_cmap_unicode_init( PS_Unicodes unicodes, + FT_Pointer pointer ) + { + TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes ); + FT_Memory memory = FT_FACE_MEMORY( face ); + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames; + + FT_UNUSED( pointer ); + + + return psnames->unicodes_init( memory, + unicodes, + face->root.num_glyphs, + (PS_GetGlyphNameFunc)&tt_get_glyph_name, + (PS_FreeGlyphNameFunc)NULL, + (FT_Pointer)face ); + } + + + FT_CALLBACK_DEF( void ) + tt_cmap_unicode_done( PS_Unicodes unicodes ) + { + FT_Face face = FT_CMAP_FACE( unicodes ); + FT_Memory memory = FT_FACE_MEMORY( face ); + + + FT_FREE( unicodes->maps ); + unicodes->num_maps = 0; + } + + + FT_CALLBACK_DEF( FT_UInt ) + tt_cmap_unicode_char_index( PS_Unicodes unicodes, + FT_UInt32 char_code ) + { + TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes ); + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames; + + + return psnames->unicodes_char_index( unicodes, char_code ); + } + + + FT_CALLBACK_DEF( FT_UInt32 ) + tt_cmap_unicode_char_next( PS_Unicodes unicodes, + FT_UInt32 *pchar_code ) + { + TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes ); + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames; + + + return psnames->unicodes_char_next( unicodes, pchar_code ); + } + + + FT_DEFINE_TT_CMAP( + tt_cmap_unicode_class_rec, + + sizeof ( PS_UnicodesRec ), + + (FT_CMap_InitFunc) tt_cmap_unicode_init, /* init */ + (FT_CMap_DoneFunc) tt_cmap_unicode_done, /* done */ + (FT_CMap_CharIndexFunc)tt_cmap_unicode_char_index, /* char_index */ + (FT_CMap_CharNextFunc) tt_cmap_unicode_char_next, /* char_next */ + + (FT_CMap_CharVarIndexFunc) NULL, /* char_var_index */ + (FT_CMap_CharVarIsDefaultFunc)NULL, /* char_var_default */ + (FT_CMap_VariantListFunc) NULL, /* variant_list */ + (FT_CMap_CharVariantListFunc) NULL, /* charvariant_list */ + (FT_CMap_VariantCharListFunc) NULL, /* variantchar_list */ + + ~0U, + (TT_CMap_ValidateFunc)NULL, /* validate */ + (TT_CMap_Info_GetFunc)NULL /* get_cmap_info */ + ) + +#endif /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + +#ifndef FT_CONFIG_OPTION_PIC + + static const TT_CMap_Class tt_cmap_classes[] = + { +#define TTCMAPCITEM( a ) &a, +#include "ttcmapc.h" + NULL, + }; + +#else /*FT_CONFIG_OPTION_PIC*/ + + void + FT_Destroy_Class_tt_cmap_classes( FT_Library library, + TT_CMap_Class* clazz ) + { + FT_Memory memory = library->memory; + + + if ( clazz ) + FT_FREE( clazz ); + } + + + FT_Error + FT_Create_Class_tt_cmap_classes( FT_Library library, + TT_CMap_Class** output_class ) + { + TT_CMap_Class* clazz = NULL; + TT_CMap_ClassRec* recs; + FT_Error error; + FT_Memory memory = library->memory; + + int i = 0; + + +#define TTCMAPCITEM( a ) i++; +#include "ttcmapc.h" + + /* allocate enough space for both the pointers */ + /* plus terminator and the class instances */ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * ( i + 1 ) + + sizeof ( TT_CMap_ClassRec ) * i ) ) + return error; + + /* the location of the class instances follows the array of pointers */ + recs = (TT_CMap_ClassRec*)( (char*)clazz + + sizeof ( *clazz ) * ( i + 1 ) ); + i = 0; + +#undef TTCMAPCITEM +#define TTCMAPCITEM( a ) \ + FT_Init_Class_ ## a( &recs[i] ); \ + clazz[i] = &recs[i]; \ + i++; +#include "ttcmapc.h" + + clazz[i] = NULL; + + *output_class = clazz; + return FT_Err_Ok; + } + +#endif /*FT_CONFIG_OPTION_PIC*/ + + + /* parse the `cmap' table and build the corresponding TT_CMap objects */ + /* in the current face */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_build_cmaps( TT_Face face ) + { + FT_Byte* table = face->cmap_table; + FT_Byte* limit = table + face->cmap_size; + FT_UInt volatile num_cmaps; + FT_Byte* volatile p = table; + FT_Library library = FT_FACE_LIBRARY( face ); + + FT_UNUSED( library ); + + + if ( !p || p + 4 > limit ) + return FT_THROW( Invalid_Table ); + + /* only recognize format 0 */ + if ( TT_NEXT_USHORT( p ) != 0 ) + { + FT_ERROR(( "tt_face_build_cmaps:" + " unsupported `cmap' table format = %d\n", + TT_PEEK_USHORT( p - 2 ) )); + return FT_THROW( Invalid_Table ); + } + + num_cmaps = TT_NEXT_USHORT( p ); + + for ( ; num_cmaps > 0 && p + 8 <= limit; num_cmaps-- ) + { + FT_CharMapRec charmap; + FT_UInt32 offset; + + + charmap.platform_id = TT_NEXT_USHORT( p ); + charmap.encoding_id = TT_NEXT_USHORT( p ); + charmap.face = FT_FACE( face ); + charmap.encoding = FT_ENCODING_NONE; /* will be filled later */ + offset = TT_NEXT_ULONG( p ); + + if ( offset && offset <= face->cmap_size - 2 ) + { + FT_Byte* volatile cmap = table + offset; + volatile FT_UInt format = TT_PEEK_USHORT( cmap ); + const TT_CMap_Class* volatile pclazz = TT_CMAP_CLASSES_GET; + TT_CMap_Class volatile clazz; + + + for ( ; *pclazz; pclazz++ ) + { + clazz = *pclazz; + if ( clazz->format == format ) + { + volatile TT_ValidatorRec valid; + volatile FT_Error error = FT_Err_Ok; + + + ft_validator_init( FT_VALIDATOR( &valid ), cmap, limit, + FT_VALIDATE_DEFAULT ); + + valid.num_glyphs = (FT_UInt)face->max_profile.numGlyphs; + + if ( ft_setjmp( FT_VALIDATOR( &valid )->jump_buffer) == 0 ) + { + /* validate this cmap sub-table */ + error = clazz->validate( cmap, FT_VALIDATOR( &valid ) ); + } + + if ( !valid.validator.error ) + { + FT_CMap ttcmap; + + + /* It might make sense to store the single variation */ + /* selector cmap somewhere special. But it would have to be */ + /* in the public FT_FaceRec, and we can't change that. */ + + if ( !FT_CMap_New( (FT_CMap_Class)clazz, + cmap, &charmap, &ttcmap ) ) + { + /* it is simpler to directly set `flags' than adding */ + /* a parameter to FT_CMap_New */ + ((TT_CMap)ttcmap)->flags = (FT_Int)error; + } + } + else + { + FT_TRACE0(( "tt_face_build_cmaps:" + " broken cmap sub-table ignored\n" )); + } + break; + } + } + + if ( !*pclazz ) + { + FT_TRACE0(( "tt_face_build_cmaps:" + " unsupported cmap sub-table ignored\n" )); + } + } + } + + return FT_Err_Ok; + } + + + FT_LOCAL( FT_Error ) + tt_get_cmap_info( FT_CharMap charmap, + TT_CMapInfo *cmap_info ) + { + FT_CMap cmap = (FT_CMap)charmap; + TT_CMap_Class clazz = (TT_CMap_Class)cmap->clazz; + + if ( clazz->get_cmap_info ) + return clazz->get_cmap_info( charmap, cmap_info ); + else + return FT_THROW( Invalid_CharMap_Format ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttcmap.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttcmap.h new file mode 100644 index 00000000000..d264d99d2c9 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttcmap.h @@ -0,0 +1,160 @@ +/***************************************************************************/ +/* */ +/* ttcmap.h */ +/* */ +/* TrueType character mapping table (cmap) support (specification). */ +/* */ +/* Copyright 2002-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTCMAP_H_ +#define TTCMAP_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_TRUETYPE_TYPES_H +#include FT_INTERNAL_VALIDATE_H +#include FT_SERVICE_TT_CMAP_H + +FT_BEGIN_HEADER + + +#define TT_CMAP_FLAG_UNSORTED 1 +#define TT_CMAP_FLAG_OVERLAPPING 2 + + typedef struct TT_CMapRec_ + { + FT_CMapRec cmap; + FT_Byte* data; /* pointer to in-memory cmap table */ + FT_Int flags; /* for format 4 only */ + + } TT_CMapRec, *TT_CMap; + + typedef const struct TT_CMap_ClassRec_* TT_CMap_Class; + + + typedef FT_Error + (*TT_CMap_ValidateFunc)( FT_Byte* data, + FT_Validator valid ); + + typedef struct TT_CMap_ClassRec_ + { + FT_CMap_ClassRec clazz; + FT_UInt format; + TT_CMap_ValidateFunc validate; + TT_CMap_Info_GetFunc get_cmap_info; + + } TT_CMap_ClassRec; + + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_DEFINE_TT_CMAP( class_, \ + size_, \ + init_, \ + done_, \ + char_index_, \ + char_next_, \ + char_var_index_, \ + char_var_default_, \ + variant_list_, \ + charvariant_list_, \ + variantchar_list_, \ + format_, \ + validate_, \ + get_cmap_info_ ) \ + FT_CALLBACK_TABLE_DEF \ + const TT_CMap_ClassRec class_ = \ + { \ + { size_, \ + init_, \ + done_, \ + char_index_, \ + char_next_, \ + char_var_index_, \ + char_var_default_, \ + variant_list_, \ + charvariant_list_, \ + variantchar_list_ \ + }, \ + \ + format_, \ + validate_, \ + get_cmap_info_ \ + }; + +#else /* FT_CONFIG_OPTION_PIC */ + +#define FT_DEFINE_TT_CMAP( class_, \ + size_, \ + init_, \ + done_, \ + char_index_, \ + char_next_, \ + char_var_index_, \ + char_var_default_, \ + variant_list_, \ + charvariant_list_, \ + variantchar_list_, \ + format_, \ + validate_, \ + get_cmap_info_ ) \ + void \ + FT_Init_Class_ ## class_( TT_CMap_ClassRec* clazz ) \ + { \ + clazz->clazz.size = size_; \ + clazz->clazz.init = init_; \ + clazz->clazz.done = done_; \ + clazz->clazz.char_index = char_index_; \ + clazz->clazz.char_next = char_next_; \ + clazz->clazz.char_var_index = char_var_index_; \ + clazz->clazz.char_var_default = char_var_default_; \ + clazz->clazz.variant_list = variant_list_; \ + clazz->clazz.charvariant_list = charvariant_list_; \ + clazz->clazz.variantchar_list = variantchar_list_; \ + clazz->format = format_; \ + clazz->validate = validate_; \ + clazz->get_cmap_info = get_cmap_info_; \ + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + + typedef struct TT_ValidatorRec_ + { + FT_ValidatorRec validator; + FT_UInt num_glyphs; + + } TT_ValidatorRec, *TT_Validator; + + +#define TT_VALIDATOR( x ) ( (TT_Validator)( x ) ) +#define TT_VALID_GLYPH_COUNT( x ) TT_VALIDATOR( x )->num_glyphs + + + FT_CALLBACK_TABLE const TT_CMap_ClassRec tt_cmap_unicode_class_rec; + + FT_LOCAL( FT_Error ) + tt_face_build_cmaps( TT_Face face ); + + /* used in tt-cmaps service */ + FT_LOCAL( FT_Error ) + tt_get_cmap_info( FT_CharMap charmap, + TT_CMapInfo *cmap_info ); + + +FT_END_HEADER + +#endif /* TTCMAP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttcmapc.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttcmapc.h new file mode 100644 index 00000000000..4980e9dd3dc --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttcmapc.h @@ -0,0 +1,56 @@ +/***************************************************************************/ +/* */ +/* ttcmapc.h */ +/* */ +/* TT CMAP classes definitions (specification only). */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifdef TT_CONFIG_CMAP_FORMAT_0 + TTCMAPCITEM( tt_cmap0_class_rec ) +#endif + +#ifdef TT_CONFIG_CMAP_FORMAT_2 + TTCMAPCITEM( tt_cmap2_class_rec ) +#endif + +#ifdef TT_CONFIG_CMAP_FORMAT_4 + TTCMAPCITEM( tt_cmap4_class_rec ) +#endif + +#ifdef TT_CONFIG_CMAP_FORMAT_6 + TTCMAPCITEM( tt_cmap6_class_rec ) +#endif + +#ifdef TT_CONFIG_CMAP_FORMAT_8 + TTCMAPCITEM( tt_cmap8_class_rec ) +#endif + +#ifdef TT_CONFIG_CMAP_FORMAT_10 + TTCMAPCITEM( tt_cmap10_class_rec ) +#endif + +#ifdef TT_CONFIG_CMAP_FORMAT_12 + TTCMAPCITEM( tt_cmap12_class_rec ) +#endif + +#ifdef TT_CONFIG_CMAP_FORMAT_13 + TTCMAPCITEM( tt_cmap13_class_rec ) +#endif + +#ifdef TT_CONFIG_CMAP_FORMAT_14 + TTCMAPCITEM( tt_cmap14_class_rec ) +#endif + + + /* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttkern.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttkern.c new file mode 100644 index 00000000000..68f15a20102 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttkern.c @@ -0,0 +1,311 @@ +/***************************************************************************/ +/* */ +/* ttkern.c */ +/* */ +/* Load the basic TrueType kerning table. This doesn't handle */ +/* kerning data within the GPOS table at the moment. */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TAGS_H +#include "ttkern.h" + +#include "sferrors.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttkern + + +#undef TT_KERN_INDEX +#define TT_KERN_INDEX( g1, g2 ) ( ( (FT_ULong)(g1) << 16 ) | (g2) ) + + + FT_LOCAL_DEF( FT_Error ) + tt_face_load_kern( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + FT_ULong table_size; + FT_Byte* p; + FT_Byte* p_limit; + FT_UInt nn, num_tables; + FT_UInt32 avail = 0, ordered = 0; + + + /* the kern table is optional; exit silently if it is missing */ + error = face->goto_table( face, TTAG_kern, stream, &table_size ); + if ( error ) + goto Exit; + + if ( table_size < 4 ) /* the case of a malformed table */ + { + FT_ERROR(( "tt_face_load_kern:" + " kerning table is too small - ignored\n" )); + error = FT_THROW( Table_Missing ); + goto Exit; + } + + if ( FT_FRAME_EXTRACT( table_size, face->kern_table ) ) + { + FT_ERROR(( "tt_face_load_kern:" + " could not extract kerning table\n" )); + goto Exit; + } + + face->kern_table_size = table_size; + + p = face->kern_table; + p_limit = p + table_size; + + p += 2; /* skip version */ + num_tables = FT_NEXT_USHORT( p ); + + if ( num_tables > 32 ) /* we only support up to 32 sub-tables */ + num_tables = 32; + + for ( nn = 0; nn < num_tables; nn++ ) + { + FT_UInt num_pairs, length, coverage, format; + FT_Byte* p_next; + FT_UInt32 mask = (FT_UInt32)1UL << nn; + + + if ( p + 6 > p_limit ) + break; + + p_next = p; + + p += 2; /* skip version */ + length = FT_NEXT_USHORT( p ); + coverage = FT_NEXT_USHORT( p ); + + if ( length <= 6 + 8 ) + break; + + p_next += length; + + if ( p_next > p_limit ) /* handle broken table */ + p_next = p_limit; + + format = coverage >> 8; + + /* we currently only support format 0 kerning tables */ + if ( format != 0 ) + goto NextTable; + + /* only use horizontal kerning tables */ + if ( ( coverage & 3U ) != 0x0001 || + p + 8 > p_next ) + goto NextTable; + + num_pairs = FT_NEXT_USHORT( p ); + p += 6; + + if ( ( p_next - p ) < 6 * (int)num_pairs ) /* handle broken count */ + num_pairs = (FT_UInt)( ( p_next - p ) / 6 ); + + avail |= mask; + + /* + * Now check whether the pairs in this table are ordered. + * We then can use binary search. + */ + if ( num_pairs > 0 ) + { + FT_ULong count; + FT_ULong old_pair; + + + old_pair = FT_NEXT_ULONG( p ); + p += 2; + + for ( count = num_pairs - 1; count > 0; count-- ) + { + FT_UInt32 cur_pair; + + + cur_pair = FT_NEXT_ULONG( p ); + if ( cur_pair <= old_pair ) + break; + + p += 2; + old_pair = cur_pair; + } + + if ( count == 0 ) + ordered |= mask; + } + + NextTable: + p = p_next; + } + + face->num_kern_tables = nn; + face->kern_avail_bits = avail; + face->kern_order_bits = ordered; + + Exit: + return error; + } + + + FT_LOCAL_DEF( void ) + tt_face_done_kern( TT_Face face ) + { + FT_Stream stream = face->root.stream; + + + FT_FRAME_RELEASE( face->kern_table ); + face->kern_table_size = 0; + face->num_kern_tables = 0; + face->kern_avail_bits = 0; + face->kern_order_bits = 0; + } + + + FT_LOCAL_DEF( FT_Int ) + tt_face_get_kerning( TT_Face face, + FT_UInt left_glyph, + FT_UInt right_glyph ) + { + FT_Int result = 0; + FT_UInt count, mask; + FT_Byte* p = face->kern_table; + FT_Byte* p_limit = p + face->kern_table_size; + + + p += 4; + mask = 0x0001; + + for ( count = face->num_kern_tables; + count > 0 && p + 6 <= p_limit; + count--, mask <<= 1 ) + { + FT_Byte* base = p; + FT_Byte* next; + FT_UInt version = FT_NEXT_USHORT( p ); + FT_UInt length = FT_NEXT_USHORT( p ); + FT_UInt coverage = FT_NEXT_USHORT( p ); + FT_UInt num_pairs; + FT_Int value = 0; + + FT_UNUSED( version ); + + + next = base + length; + + if ( next > p_limit ) /* handle broken table */ + next = p_limit; + + if ( ( face->kern_avail_bits & mask ) == 0 ) + goto NextTable; + + FT_ASSERT( p + 8 <= next ); /* tested in tt_face_load_kern */ + + num_pairs = FT_NEXT_USHORT( p ); + p += 6; + + if ( ( next - p ) < 6 * (int)num_pairs ) /* handle broken count */ + num_pairs = (FT_UInt)( ( next - p ) / 6 ); + + switch ( coverage >> 8 ) + { + case 0: + { + FT_ULong key0 = TT_KERN_INDEX( left_glyph, right_glyph ); + + + if ( face->kern_order_bits & mask ) /* binary search */ + { + FT_UInt min = 0; + FT_UInt max = num_pairs; + + + while ( min < max ) + { + FT_UInt mid = ( min + max ) >> 1; + FT_Byte* q = p + 6 * mid; + FT_ULong key; + + + key = FT_NEXT_ULONG( q ); + + if ( key == key0 ) + { + value = FT_PEEK_SHORT( q ); + goto Found; + } + if ( key < key0 ) + min = mid + 1; + else + max = mid; + } + } + else /* linear search */ + { + FT_UInt count2; + + + for ( count2 = num_pairs; count2 > 0; count2-- ) + { + FT_ULong key = FT_NEXT_ULONG( p ); + + + if ( key == key0 ) + { + value = FT_PEEK_SHORT( p ); + goto Found; + } + p += 2; + } + } + } + break; + + /* + * We don't support format 2 because we haven't seen a single font + * using it in real life... + */ + + default: + ; + } + + goto NextTable; + + Found: + if ( coverage & 8 ) /* override or add */ + result = value; + else + result += value; + + NextTable: + p = next; + } + + return result; + } + +#undef TT_KERN_INDEX + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttkern.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttkern.h new file mode 100644 index 00000000000..4e45d0964b4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttkern.h @@ -0,0 +1,52 @@ +/***************************************************************************/ +/* */ +/* ttkern.h */ +/* */ +/* Load the basic TrueType kerning table. This doesn't handle */ +/* kerning data within the GPOS table at the moment. */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTKERN_H_ +#define TTKERN_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_TRUETYPE_TYPES_H + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + tt_face_load_kern( TT_Face face, + FT_Stream stream ); + + FT_LOCAL( void ) + tt_face_done_kern( TT_Face face ); + + FT_LOCAL( FT_Int ) + tt_face_get_kerning( TT_Face face, + FT_UInt left_glyph, + FT_UInt right_glyph ); + +#define TT_FACE_HAS_KERNING( face ) ( (face)->kern_avail_bits != 0 ) + + +FT_END_HEADER + +#endif /* TTKERN_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttload.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttload.c new file mode 100644 index 00000000000..a86a546c3dd --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttload.c @@ -0,0 +1,1427 @@ +/***************************************************************************/ +/* */ +/* ttload.c */ +/* */ +/* Load the basic TrueType tables, i.e., tables that can be either in */ +/* TTF or OTF fonts (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TAGS_H +#include "ttload.h" + +#include "sferrors.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttload + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_lookup_table */ + /* */ + /* <Description> */ + /* Looks for a TrueType table by name. */ + /* */ + /* <Input> */ + /* face :: A face object handle. */ + /* */ + /* tag :: The searched tag. */ + /* */ + /* <Return> */ + /* A pointer to the table directory entry. 0 if not found. */ + /* */ + FT_LOCAL_DEF( TT_Table ) + tt_face_lookup_table( TT_Face face, + FT_ULong tag ) + { + TT_Table entry; + TT_Table limit; +#ifdef FT_DEBUG_LEVEL_TRACE + FT_Bool zero_length = FALSE; +#endif + + + FT_TRACE4(( "tt_face_lookup_table: %08p, `%c%c%c%c' -- ", + face, + (FT_Char)( tag >> 24 ), + (FT_Char)( tag >> 16 ), + (FT_Char)( tag >> 8 ), + (FT_Char)( tag ) )); + + entry = face->dir_tables; + limit = entry + face->num_tables; + + for ( ; entry < limit; entry++ ) + { + /* For compatibility with Windows, we consider */ + /* zero-length tables the same as missing tables. */ + if ( entry->Tag == tag ) + { + if ( entry->Length != 0 ) + { + FT_TRACE4(( "found table.\n" )); + return entry; + } +#ifdef FT_DEBUG_LEVEL_TRACE + zero_length = TRUE; +#endif + } + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( zero_length ) + FT_TRACE4(( "ignoring empty table\n" )); + else + FT_TRACE4(( "could not find table\n" )); +#endif + + return NULL; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_goto_table */ + /* */ + /* <Description> */ + /* Looks for a TrueType table by name, then seek a stream to it. */ + /* */ + /* <Input> */ + /* face :: A face object handle. */ + /* */ + /* tag :: The searched tag. */ + /* */ + /* stream :: The stream to seek when the table is found. */ + /* */ + /* <Output> */ + /* length :: The length of the table if found, undefined otherwise. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_goto_table( TT_Face face, + FT_ULong tag, + FT_Stream stream, + FT_ULong* length ) + { + TT_Table table; + FT_Error error; + + + table = tt_face_lookup_table( face, tag ); + if ( table ) + { + if ( length ) + *length = table->Length; + + if ( FT_STREAM_SEEK( table->Offset ) ) + goto Exit; + } + else + error = FT_THROW( Table_Missing ); + + Exit: + return error; + } + + + /* Here, we */ + /* */ + /* - check that `num_tables' is valid (and adjust it if necessary); */ + /* also return the number of valid table entries */ + /* */ + /* - look for a `head' table, check its size, and parse it to check */ + /* whether its `magic' field is correctly set */ + /* */ + /* - errors (except errors returned by stream handling) */ + /* */ + /* SFNT_Err_Unknown_File_Format: */ + /* no table is defined in directory, it is not sfnt-wrapped */ + /* data */ + /* SFNT_Err_Table_Missing: */ + /* table directory is valid, but essential tables */ + /* (head/bhed/SING) are missing */ + /* */ + static FT_Error + check_table_dir( SFNT_Header sfnt, + FT_Stream stream, + FT_UShort* valid ) + { + FT_Error error; + FT_UShort nn, valid_entries = 0; + FT_UInt has_head = 0, has_sing = 0, has_meta = 0; + FT_ULong offset = sfnt->offset + 12; + + static const FT_Frame_Field table_dir_entry_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_TableRec + + FT_FRAME_START( 16 ), + FT_FRAME_ULONG( Tag ), + FT_FRAME_ULONG( CheckSum ), + FT_FRAME_ULONG( Offset ), + FT_FRAME_ULONG( Length ), + FT_FRAME_END + }; + + + if ( FT_STREAM_SEEK( offset ) ) + goto Exit; + + for ( nn = 0; nn < sfnt->num_tables; nn++ ) + { + TT_TableRec table; + + + if ( FT_STREAM_READ_FIELDS( table_dir_entry_fields, &table ) ) + { + nn--; + FT_TRACE2(( "check_table_dir:" + " can read only %d table%s in font (instead of %d)\n", + nn, nn == 1 ? "" : "s", sfnt->num_tables )); + sfnt->num_tables = nn; + break; + } + + /* we ignore invalid tables */ + + if ( table.Offset > stream->size ) + { + FT_TRACE2(( "check_table_dir: table entry %d invalid\n", nn )); + continue; + } + else if ( table.Length > stream->size - table.Offset ) + { + /* Some tables have such a simple structure that clipping its */ + /* contents is harmless. This also makes FreeType less sensitive */ + /* to invalid table lengths (which programs like Acroread seem to */ + /* ignore in general). */ + + if ( table.Tag == TTAG_hmtx || + table.Tag == TTAG_vmtx ) + valid_entries++; + else + { + FT_TRACE2(( "check_table_dir: table entry %d invalid\n", nn )); + continue; + } + } + else + valid_entries++; + + if ( table.Tag == TTAG_head || table.Tag == TTAG_bhed ) + { + FT_UInt32 magic; + + +#ifndef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + if ( table.Tag == TTAG_head ) +#endif + has_head = 1; + + /* + * The table length should be 0x36, but certain font tools make it + * 0x38, so we will just check that it is greater. + * + * Note that according to the specification, the table must be + * padded to 32-bit lengths, but this doesn't apply to the value of + * its `Length' field! + * + */ + if ( table.Length < 0x36 ) + { + FT_TRACE2(( "check_table_dir:" + " `head' or `bhed' table too small\n" )); + error = FT_THROW( Table_Missing ); + goto Exit; + } + + if ( FT_STREAM_SEEK( table.Offset + 12 ) || + FT_READ_ULONG( magic ) ) + goto Exit; + + if ( magic != 0x5F0F3CF5UL ) + FT_TRACE2(( "check_table_dir:" + " invalid magic number in `head' or `bhed' table\n")); + + if ( FT_STREAM_SEEK( offset + ( nn + 1 ) * 16 ) ) + goto Exit; + } + else if ( table.Tag == TTAG_SING ) + has_sing = 1; + else if ( table.Tag == TTAG_META ) + has_meta = 1; + } + + *valid = valid_entries; + + if ( !valid_entries ) + { + FT_TRACE2(( "check_table_dir: no valid tables found\n" )); + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + + /* if `sing' and `meta' tables are present, there is no `head' table */ + if ( has_head || ( has_sing && has_meta ) ) + { + error = FT_Err_Ok; + goto Exit; + } + else + { + FT_TRACE2(( "check_table_dir:" )); +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + FT_TRACE2(( " neither `head', `bhed', nor `sing' table found\n" )); +#else + FT_TRACE2(( " neither `head' nor `sing' table found\n" )); +#endif + error = FT_THROW( Table_Missing ); + } + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_font_dir */ + /* */ + /* <Description> */ + /* Loads the header of a SFNT font file. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* <Output> */ + /* sfnt :: The SFNT header. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* The stream cursor must be at the beginning of the font directory. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_font_dir( TT_Face face, + FT_Stream stream ) + { + SFNT_HeaderRec sfnt; + FT_Error error; + FT_Memory memory = stream->memory; + FT_UShort nn, valid_entries = 0; + + static const FT_Frame_Field offset_table_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE SFNT_HeaderRec + + FT_FRAME_START( 8 ), + FT_FRAME_USHORT( num_tables ), + FT_FRAME_USHORT( search_range ), + FT_FRAME_USHORT( entry_selector ), + FT_FRAME_USHORT( range_shift ), + FT_FRAME_END + }; + + + FT_TRACE2(( "tt_face_load_font_dir: %08p\n", face )); + + /* read the offset table */ + + sfnt.offset = FT_STREAM_POS(); + + if ( FT_READ_ULONG( sfnt.format_tag ) || + FT_STREAM_READ_FIELDS( offset_table_fields, &sfnt ) ) + goto Exit; + + /* many fonts don't have these fields set correctly */ +#if 0 + if ( sfnt.search_range != 1 << ( sfnt.entry_selector + 4 ) || + sfnt.search_range + sfnt.range_shift != sfnt.num_tables << 4 ) + return FT_THROW( Unknown_File_Format ); +#endif + + /* load the table directory */ + + FT_TRACE2(( "-- Number of tables: %10u\n", sfnt.num_tables )); + FT_TRACE2(( "-- Format version: 0x%08lx\n", sfnt.format_tag )); + + if ( sfnt.format_tag != TTAG_OTTO ) + { + /* check first */ + error = check_table_dir( &sfnt, stream, &valid_entries ); + if ( error ) + { + FT_TRACE2(( "tt_face_load_font_dir:" + " invalid table directory for TrueType\n" )); + goto Exit; + } + } + else + valid_entries = sfnt.num_tables; + + face->num_tables = valid_entries; + face->format_tag = sfnt.format_tag; + + if ( FT_QNEW_ARRAY( face->dir_tables, face->num_tables ) ) + goto Exit; + + if ( FT_STREAM_SEEK( sfnt.offset + 12 ) || + FT_FRAME_ENTER( sfnt.num_tables * 16L ) ) + goto Exit; + + FT_TRACE2(( "\n" + " tag offset length checksum\n" + " ----------------------------------\n" )); + + valid_entries = 0; + for ( nn = 0; nn < sfnt.num_tables; nn++ ) + { + TT_TableRec entry; + FT_UShort i; + FT_Bool duplicate; + + + entry.Tag = FT_GET_TAG4(); + entry.CheckSum = FT_GET_ULONG(); + entry.Offset = FT_GET_ULONG(); + entry.Length = FT_GET_ULONG(); + + /* ignore invalid tables that can't be sanitized */ + + if ( entry.Offset > stream->size ) + continue; + else if ( entry.Length > stream->size - entry.Offset ) + { + if ( entry.Tag == TTAG_hmtx || + entry.Tag == TTAG_vmtx ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + FT_ULong old_length = entry.Length; +#endif + + + /* make metrics table length a multiple of 4 */ + entry.Length = ( stream->size - entry.Offset ) & ~3U; + + FT_TRACE2(( " %c%c%c%c %08lx %08lx %08lx" + " (sanitized; original length %08lx)", + (FT_Char)( entry.Tag >> 24 ), + (FT_Char)( entry.Tag >> 16 ), + (FT_Char)( entry.Tag >> 8 ), + (FT_Char)( entry.Tag ), + entry.Offset, + entry.Length, + entry.CheckSum, + old_length )); + } + else + continue; + } +#ifdef FT_DEBUG_LEVEL_TRACE + else + FT_TRACE2(( " %c%c%c%c %08lx %08lx %08lx", + (FT_Char)( entry.Tag >> 24 ), + (FT_Char)( entry.Tag >> 16 ), + (FT_Char)( entry.Tag >> 8 ), + (FT_Char)( entry.Tag ), + entry.Offset, + entry.Length, + entry.CheckSum )); +#endif + + /* ignore duplicate tables – the first one wins */ + duplicate = 0; + for ( i = 0; i < valid_entries; i++ ) + { + if ( face->dir_tables[i].Tag == entry.Tag ) + { + duplicate = 1; + break; + } + } + if ( duplicate ) + { + FT_TRACE2(( " (duplicate, ignored)\n" )); + continue; + } + else + { + FT_TRACE2(( "\n" )); + + /* we finally have a valid entry */ + face->dir_tables[valid_entries++] = entry; + } + } + + /* final adjustment to number of tables */ + face->num_tables = valid_entries; + + FT_FRAME_EXIT(); + + FT_TRACE2(( "table directory loaded\n\n" )); + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_any */ + /* */ + /* <Description> */ + /* Loads any font table into client memory. */ + /* */ + /* <Input> */ + /* face :: The face object to look for. */ + /* */ + /* tag :: The tag of table to load. Use the value 0 if you want */ + /* to access the whole font file, else set this parameter */ + /* to a valid TrueType table tag that you can forge with */ + /* the MAKE_TT_TAG macro. */ + /* */ + /* offset :: The starting offset in the table (or the file if */ + /* tag == 0). */ + /* */ + /* length :: The address of the decision variable: */ + /* */ + /* If length == NULL: */ + /* Loads the whole table. Returns an error if */ + /* `offset' == 0! */ + /* */ + /* If *length == 0: */ + /* Exits immediately; returning the length of the given */ + /* table or of the font file, depending on the value of */ + /* `tag'. */ + /* */ + /* If *length != 0: */ + /* Loads the next `length' bytes of table or font, */ + /* starting at offset `offset' (in table or font too). */ + /* */ + /* <Output> */ + /* buffer :: The address of target buffer. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_any( TT_Face face, + FT_ULong tag, + FT_Long offset, + FT_Byte* buffer, + FT_ULong* length ) + { + FT_Error error; + FT_Stream stream; + TT_Table table; + FT_ULong size; + + + if ( tag != 0 ) + { + /* look for tag in font directory */ + table = tt_face_lookup_table( face, tag ); + if ( !table ) + { + error = FT_THROW( Table_Missing ); + goto Exit; + } + + offset += table->Offset; + size = table->Length; + } + else + /* tag == 0 -- the user wants to access the font file directly */ + size = face->root.stream->size; + + if ( length && *length == 0 ) + { + *length = size; + + return FT_Err_Ok; + } + + if ( length ) + size = *length; + + stream = face->root.stream; + /* the `if' is syntactic sugar for picky compilers */ + if ( FT_STREAM_READ_AT( offset, buffer, size ) ) + goto Exit; + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_generic_header */ + /* */ + /* <Description> */ + /* Loads the TrueType table `head' or `bhed'. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + static FT_Error + tt_face_load_generic_header( TT_Face face, + FT_Stream stream, + FT_ULong tag ) + { + FT_Error error; + TT_Header* header; + + static const FT_Frame_Field header_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_Header + + FT_FRAME_START( 54 ), + FT_FRAME_ULONG ( Table_Version ), + FT_FRAME_ULONG ( Font_Revision ), + FT_FRAME_LONG ( CheckSum_Adjust ), + FT_FRAME_LONG ( Magic_Number ), + FT_FRAME_USHORT( Flags ), + FT_FRAME_USHORT( Units_Per_EM ), + FT_FRAME_LONG ( Created[0] ), + FT_FRAME_LONG ( Created[1] ), + FT_FRAME_LONG ( Modified[0] ), + FT_FRAME_LONG ( Modified[1] ), + FT_FRAME_SHORT ( xMin ), + FT_FRAME_SHORT ( yMin ), + FT_FRAME_SHORT ( xMax ), + FT_FRAME_SHORT ( yMax ), + FT_FRAME_USHORT( Mac_Style ), + FT_FRAME_USHORT( Lowest_Rec_PPEM ), + FT_FRAME_SHORT ( Font_Direction ), + FT_FRAME_SHORT ( Index_To_Loc_Format ), + FT_FRAME_SHORT ( Glyph_Data_Format ), + FT_FRAME_END + }; + + + error = face->goto_table( face, tag, stream, 0 ); + if ( error ) + goto Exit; + + header = &face->header; + + if ( FT_STREAM_READ_FIELDS( header_fields, header ) ) + goto Exit; + + FT_TRACE3(( "Units per EM: %4u\n", header->Units_Per_EM )); + FT_TRACE3(( "IndexToLoc: %4d\n", header->Index_To_Loc_Format )); + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_Error ) + tt_face_load_head( TT_Face face, + FT_Stream stream ) + { + return tt_face_load_generic_header( face, stream, TTAG_head ); + } + + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + FT_LOCAL_DEF( FT_Error ) + tt_face_load_bhed( TT_Face face, + FT_Stream stream ) + { + return tt_face_load_generic_header( face, stream, TTAG_bhed ); + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_maxp */ + /* */ + /* <Description> */ + /* Loads the maximum profile into a face object. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_maxp( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + TT_MaxProfile* maxProfile = &face->max_profile; + + static const FT_Frame_Field maxp_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_MaxProfile + + FT_FRAME_START( 6 ), + FT_FRAME_LONG ( version ), + FT_FRAME_USHORT( numGlyphs ), + FT_FRAME_END + }; + + static const FT_Frame_Field maxp_fields_extra[] = + { + FT_FRAME_START( 26 ), + FT_FRAME_USHORT( maxPoints ), + FT_FRAME_USHORT( maxContours ), + FT_FRAME_USHORT( maxCompositePoints ), + FT_FRAME_USHORT( maxCompositeContours ), + FT_FRAME_USHORT( maxZones ), + FT_FRAME_USHORT( maxTwilightPoints ), + FT_FRAME_USHORT( maxStorage ), + FT_FRAME_USHORT( maxFunctionDefs ), + FT_FRAME_USHORT( maxInstructionDefs ), + FT_FRAME_USHORT( maxStackElements ), + FT_FRAME_USHORT( maxSizeOfInstructions ), + FT_FRAME_USHORT( maxComponentElements ), + FT_FRAME_USHORT( maxComponentDepth ), + FT_FRAME_END + }; + + + error = face->goto_table( face, TTAG_maxp, stream, 0 ); + if ( error ) + goto Exit; + + if ( FT_STREAM_READ_FIELDS( maxp_fields, maxProfile ) ) + goto Exit; + + maxProfile->maxPoints = 0; + maxProfile->maxContours = 0; + maxProfile->maxCompositePoints = 0; + maxProfile->maxCompositeContours = 0; + maxProfile->maxZones = 0; + maxProfile->maxTwilightPoints = 0; + maxProfile->maxStorage = 0; + maxProfile->maxFunctionDefs = 0; + maxProfile->maxInstructionDefs = 0; + maxProfile->maxStackElements = 0; + maxProfile->maxSizeOfInstructions = 0; + maxProfile->maxComponentElements = 0; + maxProfile->maxComponentDepth = 0; + + if ( maxProfile->version >= 0x10000L ) + { + if ( FT_STREAM_READ_FIELDS( maxp_fields_extra, maxProfile ) ) + goto Exit; + + /* XXX: an adjustment that is necessary to load certain */ + /* broken fonts like `Keystrokes MT' :-( */ + /* */ + /* We allocate 64 function entries by default when */ + /* the maxFunctionDefs value is smaller. */ + + if ( maxProfile->maxFunctionDefs < 64 ) + maxProfile->maxFunctionDefs = 64; + + /* we add 4 phantom points later */ + if ( maxProfile->maxTwilightPoints > ( 0xFFFFU - 4 ) ) + { + FT_TRACE0(( "tt_face_load_maxp:" + " too much twilight points in `maxp' table;\n" + " " + " some glyphs might be rendered incorrectly\n" )); + + maxProfile->maxTwilightPoints = 0xFFFFU - 4; + } + } + + FT_TRACE3(( "numGlyphs: %u\n", maxProfile->numGlyphs )); + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_name */ + /* */ + /* <Description> */ + /* Loads the name records. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_name( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + FT_Memory memory = stream->memory; + FT_ULong table_pos, table_len; + FT_ULong storage_start, storage_limit; + TT_NameTable table; + + static const FT_Frame_Field name_table_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_NameTableRec + + FT_FRAME_START( 6 ), + FT_FRAME_USHORT( format ), + FT_FRAME_USHORT( numNameRecords ), + FT_FRAME_USHORT( storageOffset ), + FT_FRAME_END + }; + + static const FT_Frame_Field name_record_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_NameRec + + /* no FT_FRAME_START */ + FT_FRAME_USHORT( platformID ), + FT_FRAME_USHORT( encodingID ), + FT_FRAME_USHORT( languageID ), + FT_FRAME_USHORT( nameID ), + FT_FRAME_USHORT( stringLength ), + FT_FRAME_USHORT( stringOffset ), + FT_FRAME_END + }; + + static const FT_Frame_Field langTag_record_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_LangTagRec + + /* no FT_FRAME_START */ + FT_FRAME_USHORT( stringLength ), + FT_FRAME_USHORT( stringOffset ), + FT_FRAME_END + }; + + + table = &face->name_table; + table->stream = stream; + + error = face->goto_table( face, TTAG_name, stream, &table_len ); + if ( error ) + goto Exit; + + table_pos = FT_STREAM_POS(); + + if ( FT_STREAM_READ_FIELDS( name_table_fields, table ) ) + goto Exit; + + /* Some popular Asian fonts have an invalid `storageOffset' value (it */ + /* should be at least `6 + 12*numNameRecords'). However, the string */ + /* offsets, computed as `storageOffset + entry->stringOffset', are */ + /* valid pointers within the name table... */ + /* */ + /* We thus can't check `storageOffset' right now. */ + /* */ + storage_start = table_pos + 6 + 12 * table->numNameRecords; + storage_limit = table_pos + table_len; + + if ( storage_start > storage_limit ) + { + FT_ERROR(( "tt_face_load_name: invalid `name' table\n" )); + error = FT_THROW( Name_Table_Missing ); + goto Exit; + } + + /* `name' format 1 contains additional language tag records, */ + /* which we load first */ + if ( table->format == 1 ) + { + if ( FT_STREAM_SEEK( storage_start ) || + FT_READ_USHORT( table->numLangTagRecords ) ) + goto Exit; + + storage_start += 2 + 4 * table->numLangTagRecords; + + /* allocate language tag records array */ + if ( FT_NEW_ARRAY( table->langTags, table->numLangTagRecords ) || + FT_FRAME_ENTER( table->numLangTagRecords * 4 ) ) + goto Exit; + + /* load language tags */ + { + TT_LangTag entry = table->langTags; + TT_LangTag limit = entry + table->numLangTagRecords; + + + for ( ; entry < limit; entry++ ) + { + (void)FT_STREAM_READ_FIELDS( langTag_record_fields, entry ); + + /* check that the langTag string is within the table */ + entry->stringOffset += table_pos + table->storageOffset; + if ( entry->stringOffset < storage_start || + entry->stringOffset + entry->stringLength > storage_limit ) + { + /* invalid entry; ignore it */ + entry->stringLength = 0; + } + } + } + + FT_FRAME_EXIT(); + + (void)FT_STREAM_SEEK( table_pos + 6 ); + } + + /* allocate name records array */ + if ( FT_NEW_ARRAY( table->names, table->numNameRecords ) || + FT_FRAME_ENTER( table->numNameRecords * 12 ) ) + goto Exit; + + /* load name records */ + { + TT_Name entry = table->names; + FT_UInt count = table->numNameRecords; + + + for ( ; count > 0; count-- ) + { + if ( FT_STREAM_READ_FIELDS( name_record_fields, entry ) ) + continue; + + /* check that the name is not empty */ + if ( entry->stringLength == 0 ) + continue; + + /* check that the name string is within the table */ + entry->stringOffset += table_pos + table->storageOffset; + if ( entry->stringOffset < storage_start || + entry->stringOffset + entry->stringLength > storage_limit ) + { + /* invalid entry; ignore it */ + continue; + } + + /* assure that we have a valid language tag ID, and */ + /* that the corresponding langTag entry is valid, too */ + if ( table->format == 1 && entry->languageID >= 0x8000U ) + { + if ( entry->languageID - 0x8000U >= table->numLangTagRecords || + !table->langTags[entry->languageID - 0x8000U].stringLength ) + { + /* invalid entry; ignore it */ + continue; + } + } + + entry++; + } + + /* reduce array size to the actually used elements */ + count = (FT_UInt)( entry - table->names ); + (void)FT_RENEW_ARRAY( table->names, + table->numNameRecords, + count ); + table->numNameRecords = count; + } + + FT_FRAME_EXIT(); + + /* everything went well, update face->num_names */ + face->num_names = (FT_UShort)table->numNameRecords; + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_free_name */ + /* */ + /* <Description> */ + /* Frees the name records. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + FT_LOCAL_DEF( void ) + tt_face_free_name( TT_Face face ) + { + FT_Memory memory = face->root.driver->root.memory; + TT_NameTable table = &face->name_table; + + + if ( table->names ) + { + TT_Name entry = table->names; + TT_Name limit = entry + table->numNameRecords; + + + for ( ; entry < limit; entry++ ) + FT_FREE( entry->string ); + + FT_FREE( table->names ); + } + + if ( table->langTags ) + { + TT_LangTag entry = table->langTags; + TT_LangTag limit = entry + table->numLangTagRecords; + + + for ( ; entry < limit; entry++ ) + FT_FREE( entry->string ); + + FT_FREE( table->langTags ); + } + + table->numNameRecords = 0; + table->numLangTagRecords = 0; + table->format = 0; + table->storageOffset = 0; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_cmap */ + /* */ + /* <Description> */ + /* Loads the cmap directory in a face object. The cmaps themselves */ + /* are loaded on demand in the `ttcmap.c' module. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: A handle to the input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + + FT_LOCAL_DEF( FT_Error ) + tt_face_load_cmap( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + + + error = face->goto_table( face, TTAG_cmap, stream, &face->cmap_size ); + if ( error ) + goto Exit; + + if ( FT_FRAME_EXTRACT( face->cmap_size, face->cmap_table ) ) + face->cmap_size = 0; + + Exit: + return error; + } + + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_os2 */ + /* */ + /* <Description> */ + /* Loads the OS2 table. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: A handle to the input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_os2( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + TT_OS2* os2; + + static const FT_Frame_Field os2_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_OS2 + + FT_FRAME_START( 78 ), + FT_FRAME_USHORT( version ), + FT_FRAME_SHORT ( xAvgCharWidth ), + FT_FRAME_USHORT( usWeightClass ), + FT_FRAME_USHORT( usWidthClass ), + FT_FRAME_SHORT ( fsType ), + FT_FRAME_SHORT ( ySubscriptXSize ), + FT_FRAME_SHORT ( ySubscriptYSize ), + FT_FRAME_SHORT ( ySubscriptXOffset ), + FT_FRAME_SHORT ( ySubscriptYOffset ), + FT_FRAME_SHORT ( ySuperscriptXSize ), + FT_FRAME_SHORT ( ySuperscriptYSize ), + FT_FRAME_SHORT ( ySuperscriptXOffset ), + FT_FRAME_SHORT ( ySuperscriptYOffset ), + FT_FRAME_SHORT ( yStrikeoutSize ), + FT_FRAME_SHORT ( yStrikeoutPosition ), + FT_FRAME_SHORT ( sFamilyClass ), + FT_FRAME_BYTE ( panose[0] ), + FT_FRAME_BYTE ( panose[1] ), + FT_FRAME_BYTE ( panose[2] ), + FT_FRAME_BYTE ( panose[3] ), + FT_FRAME_BYTE ( panose[4] ), + FT_FRAME_BYTE ( panose[5] ), + FT_FRAME_BYTE ( panose[6] ), + FT_FRAME_BYTE ( panose[7] ), + FT_FRAME_BYTE ( panose[8] ), + FT_FRAME_BYTE ( panose[9] ), + FT_FRAME_ULONG ( ulUnicodeRange1 ), + FT_FRAME_ULONG ( ulUnicodeRange2 ), + FT_FRAME_ULONG ( ulUnicodeRange3 ), + FT_FRAME_ULONG ( ulUnicodeRange4 ), + FT_FRAME_BYTE ( achVendID[0] ), + FT_FRAME_BYTE ( achVendID[1] ), + FT_FRAME_BYTE ( achVendID[2] ), + FT_FRAME_BYTE ( achVendID[3] ), + + FT_FRAME_USHORT( fsSelection ), + FT_FRAME_USHORT( usFirstCharIndex ), + FT_FRAME_USHORT( usLastCharIndex ), + FT_FRAME_SHORT ( sTypoAscender ), + FT_FRAME_SHORT ( sTypoDescender ), + FT_FRAME_SHORT ( sTypoLineGap ), + FT_FRAME_USHORT( usWinAscent ), + FT_FRAME_USHORT( usWinDescent ), + FT_FRAME_END + }; + + /* `OS/2' version 1 and newer */ + static const FT_Frame_Field os2_fields_extra1[] = + { + FT_FRAME_START( 8 ), + FT_FRAME_ULONG( ulCodePageRange1 ), + FT_FRAME_ULONG( ulCodePageRange2 ), + FT_FRAME_END + }; + + /* `OS/2' version 2 and newer */ + static const FT_Frame_Field os2_fields_extra2[] = + { + FT_FRAME_START( 10 ), + FT_FRAME_SHORT ( sxHeight ), + FT_FRAME_SHORT ( sCapHeight ), + FT_FRAME_USHORT( usDefaultChar ), + FT_FRAME_USHORT( usBreakChar ), + FT_FRAME_USHORT( usMaxContext ), + FT_FRAME_END + }; + + /* `OS/2' version 5 and newer */ + static const FT_Frame_Field os2_fields_extra5[] = + { + FT_FRAME_START( 4 ), + FT_FRAME_USHORT( usLowerOpticalPointSize ), + FT_FRAME_USHORT( usUpperOpticalPointSize ), + FT_FRAME_END + }; + + + /* We now support old Mac fonts where the OS/2 table doesn't */ + /* exist. Simply put, we set the `version' field to 0xFFFF */ + /* and test this value each time we need to access the table. */ + error = face->goto_table( face, TTAG_OS2, stream, 0 ); + if ( error ) + goto Exit; + + os2 = &face->os2; + + if ( FT_STREAM_READ_FIELDS( os2_fields, os2 ) ) + goto Exit; + + os2->ulCodePageRange1 = 0; + os2->ulCodePageRange2 = 0; + os2->sxHeight = 0; + os2->sCapHeight = 0; + os2->usDefaultChar = 0; + os2->usBreakChar = 0; + os2->usMaxContext = 0; + os2->usLowerOpticalPointSize = 0; + os2->usUpperOpticalPointSize = 0xFFFF; + + if ( os2->version >= 0x0001 ) + { + /* only version 1 tables */ + if ( FT_STREAM_READ_FIELDS( os2_fields_extra1, os2 ) ) + goto Exit; + + if ( os2->version >= 0x0002 ) + { + /* only version 2 tables */ + if ( FT_STREAM_READ_FIELDS( os2_fields_extra2, os2 ) ) + goto Exit; + + if ( os2->version >= 0x0005 ) + { + /* only version 5 tables */ + if ( FT_STREAM_READ_FIELDS( os2_fields_extra5, os2 ) ) + goto Exit; + } + } + } + + FT_TRACE3(( "sTypoAscender: %4d\n", os2->sTypoAscender )); + FT_TRACE3(( "sTypoDescender: %4d\n", os2->sTypoDescender )); + FT_TRACE3(( "usWinAscent: %4u\n", os2->usWinAscent )); + FT_TRACE3(( "usWinDescent: %4u\n", os2->usWinDescent )); + FT_TRACE3(( "fsSelection: 0x%2x\n", os2->fsSelection )); + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_postscript */ + /* */ + /* <Description> */ + /* Loads the Postscript table. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: A handle to the input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_post( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + TT_Postscript* post = &face->postscript; + + static const FT_Frame_Field post_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_Postscript + + FT_FRAME_START( 32 ), + FT_FRAME_LONG ( FormatType ), + FT_FRAME_LONG ( italicAngle ), + FT_FRAME_SHORT( underlinePosition ), + FT_FRAME_SHORT( underlineThickness ), + FT_FRAME_ULONG( isFixedPitch ), + FT_FRAME_ULONG( minMemType42 ), + FT_FRAME_ULONG( maxMemType42 ), + FT_FRAME_ULONG( minMemType1 ), + FT_FRAME_ULONG( maxMemType1 ), + FT_FRAME_END + }; + + + error = face->goto_table( face, TTAG_post, stream, 0 ); + if ( error ) + return error; + + if ( FT_STREAM_READ_FIELDS( post_fields, post ) ) + return error; + + /* we don't load the glyph names, we do that in another */ + /* module (ttpost). */ + + FT_TRACE3(( "FormatType: 0x%x\n", post->FormatType )); + FT_TRACE3(( "isFixedPitch: %s\n", post->isFixedPitch + ? " yes" : " no" )); + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_pclt */ + /* */ + /* <Description> */ + /* Loads the PCL 5 Table. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: A handle to the input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_pclt( TT_Face face, + FT_Stream stream ) + { + static const FT_Frame_Field pclt_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_PCLT + + FT_FRAME_START( 54 ), + FT_FRAME_ULONG ( Version ), + FT_FRAME_ULONG ( FontNumber ), + FT_FRAME_USHORT( Pitch ), + FT_FRAME_USHORT( xHeight ), + FT_FRAME_USHORT( Style ), + FT_FRAME_USHORT( TypeFamily ), + FT_FRAME_USHORT( CapHeight ), + FT_FRAME_USHORT( SymbolSet ), + FT_FRAME_BYTES ( TypeFace, 16 ), + FT_FRAME_BYTES ( CharacterComplement, 8 ), + FT_FRAME_BYTES ( FileName, 6 ), + FT_FRAME_CHAR ( StrokeWeight ), + FT_FRAME_CHAR ( WidthType ), + FT_FRAME_BYTE ( SerifStyle ), + FT_FRAME_BYTE ( Reserved ), + FT_FRAME_END + }; + + FT_Error error; + TT_PCLT* pclt = &face->pclt; + + + /* optional table */ + error = face->goto_table( face, TTAG_PCLT, stream, 0 ); + if ( error ) + goto Exit; + + if ( FT_STREAM_READ_FIELDS( pclt_fields, pclt ) ) + goto Exit; + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_gasp */ + /* */ + /* <Description> */ + /* Loads the `gasp' table into a face object. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_gasp( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + FT_Memory memory = stream->memory; + + FT_UInt j,num_ranges; + TT_GaspRange gaspranges = NULL; + + + /* the gasp table is optional */ + error = face->goto_table( face, TTAG_gasp, stream, 0 ); + if ( error ) + goto Exit; + + if ( FT_FRAME_ENTER( 4L ) ) + goto Exit; + + face->gasp.version = FT_GET_USHORT(); + face->gasp.numRanges = FT_GET_USHORT(); + + FT_FRAME_EXIT(); + + /* only support versions 0 and 1 of the table */ + if ( face->gasp.version >= 2 ) + { + face->gasp.numRanges = 0; + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + num_ranges = face->gasp.numRanges; + FT_TRACE3(( "numRanges: %u\n", num_ranges )); + + if ( FT_QNEW_ARRAY( face->gasp.gaspRanges, num_ranges ) || + FT_FRAME_ENTER( num_ranges * 4L ) ) + goto Exit; + + gaspranges = face->gasp.gaspRanges; + + for ( j = 0; j < num_ranges; j++ ) + { + gaspranges[j].maxPPEM = FT_GET_USHORT(); + gaspranges[j].gaspFlag = FT_GET_USHORT(); + + FT_TRACE3(( "gaspRange %d: rangeMaxPPEM %5d, rangeGaspBehavior 0x%x\n", + j, + gaspranges[j].maxPPEM, + gaspranges[j].gaspFlag )); + } + + FT_FRAME_EXIT(); + + Exit: + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttload.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttload.h new file mode 100644 index 00000000000..f94be8b7bd0 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttload.h @@ -0,0 +1,112 @@ +/***************************************************************************/ +/* */ +/* ttload.h */ +/* */ +/* Load the basic TrueType tables, i.e., tables that can be either in */ +/* TTF or OTF fonts (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTLOAD_H_ +#define TTLOAD_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_TRUETYPE_TYPES_H + + +FT_BEGIN_HEADER + + + FT_LOCAL( TT_Table ) + tt_face_lookup_table( TT_Face face, + FT_ULong tag ); + + FT_LOCAL( FT_Error ) + tt_face_goto_table( TT_Face face, + FT_ULong tag, + FT_Stream stream, + FT_ULong* length ); + + + FT_LOCAL( FT_Error ) + tt_face_load_font_dir( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + tt_face_load_any( TT_Face face, + FT_ULong tag, + FT_Long offset, + FT_Byte* buffer, + FT_ULong* length ); + + + FT_LOCAL( FT_Error ) + tt_face_load_head( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + tt_face_load_cmap( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + tt_face_load_maxp( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + tt_face_load_name( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + tt_face_load_os2( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + tt_face_load_post( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + tt_face_load_pclt( TT_Face face, + FT_Stream stream ); + + FT_LOCAL( void ) + tt_face_free_name( TT_Face face ); + + + FT_LOCAL( FT_Error ) + tt_face_load_gasp( TT_Face face, + FT_Stream stream ); + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + FT_LOCAL( FT_Error ) + tt_face_load_bhed( TT_Face face, + FT_Stream stream ); + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + +FT_END_HEADER + +#endif /* TTLOAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttmtx.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttmtx.c new file mode 100644 index 00000000000..6ddda95b567 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttmtx.c @@ -0,0 +1,326 @@ +/***************************************************************************/ +/* */ +/* ttmtx.c */ +/* */ +/* Load the metrics tables common to TTF and OTF fonts (body). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TAGS_H + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include FT_SERVICE_METRICS_VARIATIONS_H +#endif + +#include "ttmtx.h" + +#include "sferrors.h" + + + /* IMPORTANT: The TT_HoriHeader and TT_VertHeader structures should */ + /* be identical except for the names of their fields, */ + /* which are different. */ + /* */ + /* This ensures that `tt_face_load_hmtx' is able to read */ + /* both the horizontal and vertical headers. */ + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttmtx + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_hmtx */ + /* */ + /* <Description> */ + /* Load the `hmtx' or `vmtx' table into a face object. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* vertical :: A boolean flag. If set, load `vmtx'. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_hmtx( TT_Face face, + FT_Stream stream, + FT_Bool vertical ) + { + FT_Error error; + FT_ULong tag, table_size; + FT_ULong* ptable_offset; + FT_ULong* ptable_size; + + + if ( vertical ) + { + tag = TTAG_vmtx; + ptable_offset = &face->vert_metrics_offset; + ptable_size = &face->vert_metrics_size; + } + else + { + tag = TTAG_hmtx; + ptable_offset = &face->horz_metrics_offset; + ptable_size = &face->horz_metrics_size; + } + + error = face->goto_table( face, tag, stream, &table_size ); + if ( error ) + goto Fail; + + *ptable_size = table_size; + *ptable_offset = FT_STREAM_POS(); + + Fail: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_hhea */ + /* */ + /* <Description> */ + /* Load the `hhea' or 'vhea' table into a face object. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: The input stream. */ + /* */ + /* vertical :: A boolean flag. If set, load `vhea'. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_hhea( TT_Face face, + FT_Stream stream, + FT_Bool vertical ) + { + FT_Error error; + TT_HoriHeader* header; + + static const FT_Frame_Field metrics_header_fields[] = + { +#undef FT_STRUCTURE +#define FT_STRUCTURE TT_HoriHeader + + FT_FRAME_START( 36 ), + FT_FRAME_ULONG ( Version ), + FT_FRAME_SHORT ( Ascender ), + FT_FRAME_SHORT ( Descender ), + FT_FRAME_SHORT ( Line_Gap ), + FT_FRAME_USHORT( advance_Width_Max ), + FT_FRAME_SHORT ( min_Left_Side_Bearing ), + FT_FRAME_SHORT ( min_Right_Side_Bearing ), + FT_FRAME_SHORT ( xMax_Extent ), + FT_FRAME_SHORT ( caret_Slope_Rise ), + FT_FRAME_SHORT ( caret_Slope_Run ), + FT_FRAME_SHORT ( caret_Offset ), + FT_FRAME_SHORT ( Reserved[0] ), + FT_FRAME_SHORT ( Reserved[1] ), + FT_FRAME_SHORT ( Reserved[2] ), + FT_FRAME_SHORT ( Reserved[3] ), + FT_FRAME_SHORT ( metric_Data_Format ), + FT_FRAME_USHORT( number_Of_HMetrics ), + FT_FRAME_END + }; + + + if ( vertical ) + { + void *v = &face->vertical; + + + error = face->goto_table( face, TTAG_vhea, stream, 0 ); + if ( error ) + goto Fail; + + header = (TT_HoriHeader*)v; + } + else + { + error = face->goto_table( face, TTAG_hhea, stream, 0 ); + if ( error ) + goto Fail; + + header = &face->horizontal; + } + + if ( FT_STREAM_READ_FIELDS( metrics_header_fields, header ) ) + goto Fail; + + FT_TRACE3(( "Ascender: %5d\n", header->Ascender )); + FT_TRACE3(( "Descender: %5d\n", header->Descender )); + FT_TRACE3(( "number_Of_Metrics: %5u\n", header->number_Of_HMetrics )); + + header->long_metrics = NULL; + header->short_metrics = NULL; + + Fail: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_get_metrics */ + /* */ + /* <Description> */ + /* Return the horizontal or vertical metrics in font units for a */ + /* given glyph. The values are the left side bearing (top side */ + /* bearing for vertical metrics) and advance width (advance height */ + /* for vertical metrics). */ + /* */ + /* <Input> */ + /* face :: A pointer to the TrueType face structure. */ + /* */ + /* vertical :: If set to TRUE, get vertical metrics. */ + /* */ + /* gindex :: The glyph index. */ + /* */ + /* <Output> */ + /* abearing :: The bearing, either left side or top side. */ + /* */ + /* aadvance :: The advance width or advance height, depending on */ + /* the `vertical' flag. */ + /* */ + FT_LOCAL_DEF( void ) + tt_face_get_metrics( TT_Face face, + FT_Bool vertical, + FT_UInt gindex, + FT_Short *abearing, + FT_UShort *aadvance ) + { + FT_Error error; + FT_Stream stream = face->root.stream; + TT_HoriHeader* header; + FT_ULong table_pos, table_size, table_end; + FT_UShort k; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_Service_MetricsVariations var = + (FT_Service_MetricsVariations)face->var; +#endif + + + if ( vertical ) + { + void* v = &face->vertical; + + + header = (TT_HoriHeader*)v; + table_pos = face->vert_metrics_offset; + table_size = face->vert_metrics_size; + } + else + { + header = &face->horizontal; + table_pos = face->horz_metrics_offset; + table_size = face->horz_metrics_size; + } + + table_end = table_pos + table_size; + + k = header->number_Of_HMetrics; + + if ( k > 0 ) + { + if ( gindex < (FT_UInt)k ) + { + table_pos += 4 * gindex; + if ( table_pos + 4 > table_end ) + goto NoData; + + if ( FT_STREAM_SEEK( table_pos ) || + FT_READ_USHORT( *aadvance ) || + FT_READ_SHORT( *abearing ) ) + goto NoData; + } + else + { + table_pos += 4 * ( k - 1 ); + if ( table_pos + 4 > table_end ) + goto NoData; + + if ( FT_STREAM_SEEK( table_pos ) || + FT_READ_USHORT( *aadvance ) ) + goto NoData; + + table_pos += 4 + 2 * ( gindex - k ); + if ( table_pos + 2 > table_end ) + *abearing = 0; + else + { + if ( !FT_STREAM_SEEK( table_pos ) ) + (void)FT_READ_SHORT( *abearing ); + } + } + } + else + { + NoData: + *abearing = 0; + *aadvance = 0; + } + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + if ( var ) + { + FT_Face f = FT_FACE( face ); + FT_Int a = (FT_Int)*aadvance; + FT_Int b = (FT_Int)*abearing; + + + if ( vertical ) + { + if ( var->vadvance_adjust ) + var->vadvance_adjust( f, gindex, &a ); + if ( var->tsb_adjust ) + var->tsb_adjust( f, gindex, &b ); + } + else + { + if ( var->hadvance_adjust ) + var->hadvance_adjust( f, gindex, &a ); + if ( var->lsb_adjust ) + var->lsb_adjust( f, gindex, &b ); + } + + *aadvance = (FT_UShort)a; + *abearing = (FT_Short)b; + } +#endif + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttmtx.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttmtx.h new file mode 100644 index 00000000000..ab00acd7952 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttmtx.h @@ -0,0 +1,55 @@ +/***************************************************************************/ +/* */ +/* ttmtx.h */ +/* */ +/* Load the metrics tables common to TTF and OTF fonts (specification). */ +/* */ +/* Copyright 2006-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTMTX_H_ +#define TTMTX_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_TRUETYPE_TYPES_H + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + tt_face_load_hhea( TT_Face face, + FT_Stream stream, + FT_Bool vertical ); + + + FT_LOCAL( FT_Error ) + tt_face_load_hmtx( TT_Face face, + FT_Stream stream, + FT_Bool vertical ); + + + FT_LOCAL( void ) + tt_face_get_metrics( TT_Face face, + FT_Bool vertical, + FT_UInt gindex, + FT_Short* abearing, + FT_UShort* aadvance ); + +FT_END_HEADER + +#endif /* TTMTX_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttpost.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttpost.c new file mode 100644 index 00000000000..f140649993a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttpost.c @@ -0,0 +1,575 @@ +/***************************************************************************/ +/* */ +/* ttpost.c */ +/* */ +/* PostScript name table processing for TrueType and OpenType fonts */ +/* (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* The post table is not completely loaded by the core engine. This */ + /* file loads the missing PS glyph names and implements an API to access */ + /* them. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TAGS_H + + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES + +#include "ttpost.h" + +#include "sferrors.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttpost + + + /* If this configuration macro is defined, we rely on the `PSNames' */ + /* module to grab the glyph names. */ + +#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES + + +#include FT_SERVICE_POSTSCRIPT_CMAPS_H + +#define MAC_NAME( x ) (FT_String*)psnames->macintosh_name( (FT_UInt)(x) ) + + +#else /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + + /* Otherwise, we ignore the `PSNames' module, and provide our own */ + /* table of Mac names. Thus, it is possible to build a version of */ + /* FreeType without the Type 1 driver & PSNames module. */ + +#define MAC_NAME( x ) (FT_String*)tt_post_default_names[x] + + /* the 258 default Mac PS glyph names; see file `tools/glnames.py' */ + + static const FT_String* const tt_post_default_names[258] = + { + /* 0 */ + ".notdef", ".null", "nonmarkingreturn", "space", "exclam", + "quotedbl", "numbersign", "dollar", "percent", "ampersand", + /* 10 */ + "quotesingle", "parenleft", "parenright", "asterisk", "plus", + "comma", "hyphen", "period", "slash", "zero", + /* 20 */ + "one", "two", "three", "four", "five", + "six", "seven", "eight", "nine", "colon", + /* 30 */ + "semicolon", "less", "equal", "greater", "question", + "at", "A", "B", "C", "D", + /* 40 */ + "E", "F", "G", "H", "I", + "J", "K", "L", "M", "N", + /* 50 */ + "O", "P", "Q", "R", "S", + "T", "U", "V", "W", "X", + /* 60 */ + "Y", "Z", "bracketleft", "backslash", "bracketright", + "asciicircum", "underscore", "grave", "a", "b", + /* 70 */ + "c", "d", "e", "f", "g", + "h", "i", "j", "k", "l", + /* 80 */ + "m", "n", "o", "p", "q", + "r", "s", "t", "u", "v", + /* 90 */ + "w", "x", "y", "z", "braceleft", + "bar", "braceright", "asciitilde", "Adieresis", "Aring", + /* 100 */ + "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", + "aacute", "agrave", "acircumflex", "adieresis", "atilde", + /* 110 */ + "aring", "ccedilla", "eacute", "egrave", "ecircumflex", + "edieresis", "iacute", "igrave", "icircumflex", "idieresis", + /* 120 */ + "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", + "otilde", "uacute", "ugrave", "ucircumflex", "udieresis", + /* 130 */ + "dagger", "degree", "cent", "sterling", "section", + "bullet", "paragraph", "germandbls", "registered", "copyright", + /* 140 */ + "trademark", "acute", "dieresis", "notequal", "AE", + "Oslash", "infinity", "plusminus", "lessequal", "greaterequal", + /* 150 */ + "yen", "mu", "partialdiff", "summation", "product", + "pi", "integral", "ordfeminine", "ordmasculine", "Omega", + /* 160 */ + "ae", "oslash", "questiondown", "exclamdown", "logicalnot", + "radical", "florin", "approxequal", "Delta", "guillemotleft", + /* 170 */ + "guillemotright", "ellipsis", "nonbreakingspace", "Agrave", "Atilde", + "Otilde", "OE", "oe", "endash", "emdash", + /* 180 */ + "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", + "lozenge", "ydieresis", "Ydieresis", "fraction", "currency", + /* 190 */ + "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl", + "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex", + /* 200 */ + "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute", + "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", + /* 210 */ + "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", + "dotlessi", "circumflex", "tilde", "macron", "breve", + /* 220 */ + "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek", + "caron", "Lslash", "lslash", "Scaron", "scaron", + /* 230 */ + "Zcaron", "zcaron", "brokenbar", "Eth", "eth", + "Yacute", "yacute", "Thorn", "thorn", "minus", + /* 240 */ + "multiply", "onesuperior", "twosuperior", "threesuperior", "onehalf", + "onequarter", "threequarters", "franc", "Gbreve", "gbreve", + /* 250 */ + "Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", + "Ccaron", "ccaron", "dcroat", + }; + + +#endif /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + + static FT_Error + load_format_20( TT_Face face, + FT_Stream stream, + FT_ULong post_limit ) + { + FT_Memory memory = stream->memory; + FT_Error error; + + FT_Int num_glyphs; + FT_UShort num_names; + + FT_UShort* glyph_indices = NULL; + FT_Char** name_strings = NULL; + + + if ( FT_READ_USHORT( num_glyphs ) ) + goto Exit; + + /* UNDOCUMENTED! The number of glyphs in this table can be smaller */ + /* than the value in the maxp table (cf. cyberbit.ttf). */ + + /* There already exist fonts which have more than 32768 glyph names */ + /* in this table, so the test for this threshold has been dropped. */ + + if ( num_glyphs > face->max_profile.numGlyphs ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* load the indices */ + { + FT_Int n; + + + if ( FT_NEW_ARRAY ( glyph_indices, num_glyphs ) || + FT_FRAME_ENTER( num_glyphs * 2L ) ) + goto Fail; + + for ( n = 0; n < num_glyphs; n++ ) + glyph_indices[n] = FT_GET_USHORT(); + + FT_FRAME_EXIT(); + } + + /* compute number of names stored in table */ + { + FT_Int n; + + + num_names = 0; + + for ( n = 0; n < num_glyphs; n++ ) + { + FT_Int idx; + + + idx = glyph_indices[n]; + if ( idx >= 258 ) + { + idx -= 257; + if ( idx > num_names ) + num_names = (FT_UShort)idx; + } + } + } + + /* now load the name strings */ + { + FT_UShort n; + + + if ( FT_NEW_ARRAY( name_strings, num_names ) ) + goto Fail; + + for ( n = 0; n < num_names; n++ ) + { + FT_UInt len; + + + if ( FT_STREAM_POS() >= post_limit ) + break; + else + { + FT_TRACE6(( "load_format_20: %d byte left in post table\n", + post_limit - FT_STREAM_POS() )); + + if ( FT_READ_BYTE( len ) ) + goto Fail1; + } + + if ( len > post_limit || + FT_STREAM_POS() > post_limit - len ) + { + FT_Int d = (FT_Int)post_limit - (FT_Int)FT_STREAM_POS(); + + + FT_ERROR(( "load_format_20:" + " exceeding string length (%d)," + " truncating at end of post table (%d byte left)\n", + len, d )); + len = (FT_UInt)FT_MAX( 0, d ); + } + + if ( FT_NEW_ARRAY( name_strings[n], len + 1 ) || + FT_STREAM_READ( name_strings[n], len ) ) + goto Fail1; + + name_strings[n][len] = '\0'; + } + + if ( n < num_names ) + { + FT_ERROR(( "load_format_20:" + " all entries in post table are already parsed," + " using NULL names for gid %d - %d\n", + n, num_names - 1 )); + for ( ; n < num_names; n++ ) + if ( FT_NEW_ARRAY( name_strings[n], 1 ) ) + goto Fail1; + else + name_strings[n][0] = '\0'; + } + } + + /* all right, set table fields and exit successfully */ + { + TT_Post_20 table = &face->postscript_names.names.format_20; + + + table->num_glyphs = (FT_UShort)num_glyphs; + table->num_names = (FT_UShort)num_names; + table->glyph_indices = glyph_indices; + table->glyph_names = name_strings; + } + return FT_Err_Ok; + + Fail1: + { + FT_UShort n; + + + for ( n = 0; n < num_names; n++ ) + FT_FREE( name_strings[n] ); + } + + Fail: + FT_FREE( name_strings ); + FT_FREE( glyph_indices ); + + Exit: + return error; + } + + + static FT_Error + load_format_25( TT_Face face, + FT_Stream stream, + FT_ULong post_limit ) + { + FT_Memory memory = stream->memory; + FT_Error error; + + FT_Int num_glyphs; + FT_Char* offset_table = NULL; + + FT_UNUSED( post_limit ); + + + if ( FT_READ_USHORT( num_glyphs ) ) + goto Exit; + + /* check the number of glyphs */ + if ( num_glyphs > face->max_profile.numGlyphs || + num_glyphs > 258 || + num_glyphs < 1 ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( FT_NEW_ARRAY( offset_table, num_glyphs ) || + FT_STREAM_READ( offset_table, num_glyphs ) ) + goto Fail; + + /* now check the offset table */ + { + FT_Int n; + + + for ( n = 0; n < num_glyphs; n++ ) + { + FT_Long idx = (FT_Long)n + offset_table[n]; + + + if ( idx < 0 || idx > num_glyphs ) + { + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + } + } + + /* OK, set table fields and exit successfully */ + { + TT_Post_25 table = &face->postscript_names.names.format_25; + + + table->num_glyphs = (FT_UShort)num_glyphs; + table->offsets = offset_table; + } + + return FT_Err_Ok; + + Fail: + FT_FREE( offset_table ); + + Exit: + return error; + } + + + static FT_Error + load_post_names( TT_Face face ) + { + FT_Stream stream; + FT_Error error; + FT_Fixed format; + FT_ULong post_len; + FT_ULong post_limit; + + + /* get a stream for the face's resource */ + stream = face->root.stream; + + /* seek to the beginning of the PS names table */ + error = face->goto_table( face, TTAG_post, stream, &post_len ); + if ( error ) + goto Exit; + + post_limit = FT_STREAM_POS() + post_len; + + format = face->postscript.FormatType; + + /* go to beginning of subtable */ + if ( FT_STREAM_SKIP( 32 ) ) + goto Exit; + + /* now read postscript table */ + if ( format == 0x00020000L ) + error = load_format_20( face, stream, post_limit ); + else if ( format == 0x00025000L ) + error = load_format_25( face, stream, post_limit ); + else + error = FT_THROW( Invalid_File_Format ); + + face->postscript_names.loaded = 1; + + Exit: + return error; + } + + + FT_LOCAL_DEF( void ) + tt_face_free_ps_names( TT_Face face ) + { + FT_Memory memory = face->root.memory; + TT_Post_Names names = &face->postscript_names; + FT_Fixed format; + + + if ( names->loaded ) + { + format = face->postscript.FormatType; + + if ( format == 0x00020000L ) + { + TT_Post_20 table = &names->names.format_20; + FT_UShort n; + + + FT_FREE( table->glyph_indices ); + table->num_glyphs = 0; + + for ( n = 0; n < table->num_names; n++ ) + FT_FREE( table->glyph_names[n] ); + + FT_FREE( table->glyph_names ); + table->num_names = 0; + } + else if ( format == 0x00025000L ) + { + TT_Post_25 table = &names->names.format_25; + + + FT_FREE( table->offsets ); + table->num_glyphs = 0; + } + } + names->loaded = 0; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_get_ps_name */ + /* */ + /* <Description> */ + /* Get the PostScript glyph name of a glyph. */ + /* */ + /* <Input> */ + /* face :: A handle to the parent face. */ + /* */ + /* idx :: The glyph index. */ + /* */ + /* <InOut> */ + /* PSname :: The address of a string pointer. Will be NULL in case */ + /* of error, otherwise it is a pointer to the glyph name. */ + /* */ + /* You must not modify the returned string! */ + /* */ + /* <Output> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_get_ps_name( TT_Face face, + FT_UInt idx, + FT_String** PSname ) + { + FT_Error error; + TT_Post_Names names; + FT_Fixed format; + +#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES + FT_Service_PsCMaps psnames; +#endif + + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( idx >= (FT_UInt)face->max_profile.numGlyphs ) + return FT_THROW( Invalid_Glyph_Index ); + +#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES + psnames = (FT_Service_PsCMaps)face->psnames; + if ( !psnames ) + return FT_THROW( Unimplemented_Feature ); +#endif + + names = &face->postscript_names; + + /* `.notdef' by default */ + *PSname = MAC_NAME( 0 ); + + format = face->postscript.FormatType; + + if ( format == 0x00010000L ) + { + if ( idx < 258 ) /* paranoid checking */ + *PSname = MAC_NAME( idx ); + } + else if ( format == 0x00020000L ) + { + TT_Post_20 table = &names->names.format_20; + + + if ( !names->loaded ) + { + error = load_post_names( face ); + if ( error ) + goto End; + } + + if ( idx < (FT_UInt)table->num_glyphs ) + { + FT_UShort name_index = table->glyph_indices[idx]; + + + if ( name_index < 258 ) + *PSname = MAC_NAME( name_index ); + else + *PSname = (FT_String*)table->glyph_names[name_index - 258]; + } + } + else if ( format == 0x00025000L ) + { + TT_Post_25 table = &names->names.format_25; + + + if ( !names->loaded ) + { + error = load_post_names( face ); + if ( error ) + goto End; + } + + if ( idx < (FT_UInt)table->num_glyphs ) /* paranoid checking */ + *PSname = MAC_NAME( (FT_Int)idx + table->offsets[idx] ); + } + + /* nothing to do for format == 0x00030000L */ + + End: + return FT_Err_Ok; + } + +#else /* !TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + /* ANSI C doesn't like empty source files */ + typedef int _tt_post_dummy; + +#endif /* !TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttpost.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttpost.h new file mode 100644 index 00000000000..3bec07e4454 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttpost.h @@ -0,0 +1,46 @@ +/***************************************************************************/ +/* */ +/* ttpost.h */ +/* */ +/* PostScript name table processing for TrueType and OpenType fonts */ +/* (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTPOST_H_ +#define TTPOST_H_ + + +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H +#include FT_INTERNAL_TRUETYPE_TYPES_H + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + tt_face_get_ps_name( TT_Face face, + FT_UInt idx, + FT_String** PSname ); + + FT_LOCAL( void ) + tt_face_free_ps_names( TT_Face face ); + + +FT_END_HEADER + +#endif /* TTPOST_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttsbit.c b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttsbit.c new file mode 100644 index 00000000000..53e61756d18 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttsbit.c @@ -0,0 +1,1682 @@ +/***************************************************************************/ +/* */ +/* ttsbit.c */ +/* */ +/* TrueType and OpenType embedded bitmap support (body). */ +/* */ +/* Copyright 2005-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* Copyright 2013 by Google, Inc. */ +/* Google Author(s): Behdad Esfahbod. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TAGS_H +#include FT_BITMAP_H + + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + +#include "ttsbit.h" + +#include "sferrors.h" + +#include "ttmtx.h" +#include "pngshim.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttsbit + + + FT_LOCAL_DEF( FT_Error ) + tt_face_load_sbit( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + FT_ULong table_size; + FT_ULong table_start; + + + face->sbit_table = NULL; + face->sbit_table_size = 0; + face->sbit_table_type = TT_SBIT_TABLE_TYPE_NONE; + face->sbit_num_strikes = 0; + + error = face->goto_table( face, TTAG_CBLC, stream, &table_size ); + if ( !error ) + face->sbit_table_type = TT_SBIT_TABLE_TYPE_CBLC; + else + { + error = face->goto_table( face, TTAG_EBLC, stream, &table_size ); + if ( error ) + error = face->goto_table( face, TTAG_bloc, stream, &table_size ); + if ( !error ) + face->sbit_table_type = TT_SBIT_TABLE_TYPE_EBLC; + } + + if ( error ) + { + error = face->goto_table( face, TTAG_sbix, stream, &table_size ); + if ( !error ) + face->sbit_table_type = TT_SBIT_TABLE_TYPE_SBIX; + } + if ( error ) + goto Exit; + + if ( table_size < 8 ) + { + FT_ERROR(( "tt_face_load_sbit_strikes: table too short\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + table_start = FT_STREAM_POS(); + + switch ( (FT_UInt)face->sbit_table_type ) + { + case TT_SBIT_TABLE_TYPE_EBLC: + case TT_SBIT_TABLE_TYPE_CBLC: + { + FT_Byte* p; + FT_Fixed version; + FT_ULong num_strikes; + FT_UInt count; + + + if ( FT_FRAME_EXTRACT( table_size, face->sbit_table ) ) + goto Exit; + + face->sbit_table_size = table_size; + + p = face->sbit_table; + + version = FT_NEXT_LONG( p ); + num_strikes = FT_NEXT_ULONG( p ); + + /* there's at least one font (FZShuSong-Z01, version 3) */ + /* that uses the wrong byte order for the `version' field */ + if ( ( (FT_ULong)version & 0xFFFF0000UL ) != 0x00020000UL && + ( (FT_ULong)version & 0x0000FFFFUL ) != 0x00000200UL && + ( (FT_ULong)version & 0xFFFF0000UL ) != 0x00030000UL && + ( (FT_ULong)version & 0x0000FFFFUL ) != 0x00000300UL ) + { + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + + if ( num_strikes >= 0x10000UL ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* + * Count the number of strikes available in the table. We are a bit + * paranoid there and don't trust the data. + */ + count = (FT_UInt)num_strikes; + if ( 8 + 48UL * count > table_size ) + count = (FT_UInt)( ( table_size - 8 ) / 48 ); + + face->sbit_num_strikes = count; + } + break; + + case TT_SBIT_TABLE_TYPE_SBIX: + { + FT_UShort version; + FT_UShort flags; + FT_ULong num_strikes; + FT_UInt count; + + + if ( FT_FRAME_ENTER( 8 ) ) + goto Exit; + + version = FT_GET_USHORT(); + flags = FT_GET_USHORT(); + num_strikes = FT_GET_ULONG(); + + FT_FRAME_EXIT(); + + if ( version < 1 ) + { + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + + /* Bit 0 must always be `1'. */ + /* Bit 1 controls the overlay of bitmaps with outlines. */ + /* All other bits should be zero. */ + if ( !( flags == 1 || flags == 3 ) || + num_strikes >= 0x10000UL ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* we currently don't support bit 1; however, it is better to */ + /* draw at least something... */ + if ( flags == 3 ) + FT_TRACE1(( "tt_face_load_sbit_strikes:" + " sbix overlay not supported yet\n" + " " + " expect bad rendering results\n" )); + + /* + * Count the number of strikes available in the table. We are a bit + * paranoid there and don't trust the data. + */ + count = (FT_UInt)num_strikes; + if ( 8 + 4UL * count > table_size ) + count = (FT_UInt)( ( table_size - 8 ) / 4 ); + + if ( FT_STREAM_SEEK( FT_STREAM_POS() - 8 ) ) + goto Exit; + + face->sbit_table_size = 8 + count * 4; + if ( FT_FRAME_EXTRACT( face->sbit_table_size, face->sbit_table ) ) + goto Exit; + + face->sbit_num_strikes = count; + } + break; + + default: + /* we ignore unknown table formats */ + error = FT_THROW( Unknown_File_Format ); + break; + } + + if ( !error ) + FT_TRACE3(( "tt_face_load_sbit_strikes: found %u strikes\n", + face->sbit_num_strikes )); + + face->ebdt_start = 0; + face->ebdt_size = 0; + + if ( face->sbit_table_type == TT_SBIT_TABLE_TYPE_SBIX ) + { + /* the `sbix' table is self-contained; */ + /* it has no associated data table */ + face->ebdt_start = table_start; + face->ebdt_size = table_size; + } + else if ( face->sbit_table_type != TT_SBIT_TABLE_TYPE_NONE ) + { + FT_ULong ebdt_size; + + + error = face->goto_table( face, TTAG_CBDT, stream, &ebdt_size ); + if ( error ) + error = face->goto_table( face, TTAG_EBDT, stream, &ebdt_size ); + if ( error ) + error = face->goto_table( face, TTAG_bdat, stream, &ebdt_size ); + + if ( !error ) + { + face->ebdt_start = FT_STREAM_POS(); + face->ebdt_size = ebdt_size; + } + } + + if ( !face->ebdt_size ) + { + FT_TRACE2(( "tt_face_load_sbit_strikes:" + " no embedded bitmap data table found;\n" + " " + " resetting number of strikes to zero\n" )); + face->sbit_num_strikes = 0; + } + + return FT_Err_Ok; + + Exit: + if ( error ) + { + if ( face->sbit_table ) + FT_FRAME_RELEASE( face->sbit_table ); + face->sbit_table_size = 0; + face->sbit_table_type = TT_SBIT_TABLE_TYPE_NONE; + } + + return error; + } + + + FT_LOCAL_DEF( void ) + tt_face_free_sbit( TT_Face face ) + { + FT_Stream stream = face->root.stream; + + + FT_FRAME_RELEASE( face->sbit_table ); + face->sbit_table_size = 0; + face->sbit_table_type = TT_SBIT_TABLE_TYPE_NONE; + face->sbit_num_strikes = 0; + } + + + FT_LOCAL_DEF( FT_Error ) + tt_face_set_sbit_strike( TT_Face face, + FT_Size_Request req, + FT_ULong* astrike_index ) + { + return FT_Match_Size( (FT_Face)face, req, 0, astrike_index ); + } + + + FT_LOCAL_DEF( FT_Error ) + tt_face_load_strike_metrics( TT_Face face, + FT_ULong strike_index, + FT_Size_Metrics* metrics ) + { + /* we have to test for the existence of `sbit_strike_map' */ + /* because the function gets also used at the very beginning */ + /* to construct `sbit_strike_map' itself */ + if ( face->sbit_strike_map ) + { + if ( strike_index >= (FT_ULong)face->root.num_fixed_sizes ) + return FT_THROW( Invalid_Argument ); + + /* map to real index */ + strike_index = face->sbit_strike_map[strike_index]; + } + else + { + if ( strike_index >= (FT_ULong)face->sbit_num_strikes ) + return FT_THROW( Invalid_Argument ); + } + + switch ( (FT_UInt)face->sbit_table_type ) + { + case TT_SBIT_TABLE_TYPE_EBLC: + case TT_SBIT_TABLE_TYPE_CBLC: + { + FT_Byte* strike; + FT_Char max_before_bl; + FT_Char min_after_bl; + + + strike = face->sbit_table + 8 + strike_index * 48; + + metrics->x_ppem = (FT_UShort)strike[44]; + metrics->y_ppem = (FT_UShort)strike[45]; + + metrics->ascender = (FT_Char)strike[16] * 64; /* hori.ascender */ + metrics->descender = (FT_Char)strike[17] * 64; /* hori.descender */ + + /* Due to fuzzy wording in the EBLC documentation, we find both */ + /* positive and negative values for `descender'. Additionally, */ + /* many fonts have both `ascender' and `descender' set to zero */ + /* (which is definitely wrong). MS Windows simply ignores all */ + /* those values... For these reasons we apply some heuristics */ + /* to get a reasonable, non-zero value for the height. */ + + max_before_bl = (FT_Char)strike[24]; + min_after_bl = (FT_Char)strike[25]; + + if ( metrics->descender > 0 ) + { + /* compare sign of descender with `min_after_bl' */ + if ( min_after_bl < 0 ) + metrics->descender = -metrics->descender; + } + + else if ( metrics->descender == 0 ) + { + if ( metrics->ascender == 0 ) + { + FT_TRACE2(( "tt_face_load_strike_metrics:" + " sanitizing invalid ascender and descender\n" + " " + " values for strike %d (%dppem, %dppem)\n", + strike_index, + metrics->x_ppem, metrics->y_ppem )); + + /* sanitize buggy ascender and descender values */ + if ( max_before_bl || min_after_bl ) + { + metrics->ascender = max_before_bl * 64; + metrics->descender = min_after_bl * 64; + } + else + { + metrics->ascender = metrics->y_ppem * 64; + metrics->descender = 0; + } + } + } + +#if 0 + else + ; /* if we have a negative descender, simply use it */ +#endif + + metrics->height = metrics->ascender - metrics->descender; + if ( metrics->height == 0 ) + { + FT_TRACE2(( "tt_face_load_strike_metrics:" + " sanitizing invalid height value\n" + " " + " for strike (%d, %d)\n", + metrics->x_ppem, metrics->y_ppem )); + metrics->height = metrics->y_ppem * 64; + metrics->descender = metrics->ascender - metrics->height; + } + + /* Is this correct? */ + metrics->max_advance = ( (FT_Char)strike[22] + /* min_origin_SB */ + strike[18] + /* max_width */ + (FT_Char)strike[23] /* min_advance_SB */ + ) * 64; + + /* set the scale values (in 16.16 units) so advances */ + /* from the hmtx and vmtx table are scaled correctly */ + metrics->x_scale = FT_MulDiv( metrics->x_ppem, + 64 * 0x10000, + face->header.Units_Per_EM ); + metrics->y_scale = FT_MulDiv( metrics->y_ppem, + 64 * 0x10000, + face->header.Units_Per_EM ); + + return FT_Err_Ok; + } + + case TT_SBIT_TABLE_TYPE_SBIX: + { + FT_Stream stream = face->root.stream; + FT_UInt offset; + FT_UShort upem, ppem, resolution; + TT_HoriHeader *hori; + FT_Pos ppem_; /* to reduce casts */ + + FT_Error error; + FT_Byte* p; + + + p = face->sbit_table + 8 + 4 * strike_index; + offset = FT_NEXT_ULONG( p ); + + if ( offset + 4 > face->ebdt_size ) + return FT_THROW( Invalid_File_Format ); + + if ( FT_STREAM_SEEK( face->ebdt_start + offset ) || + FT_FRAME_ENTER( 4 ) ) + return error; + + ppem = FT_GET_USHORT(); + resolution = FT_GET_USHORT(); + + FT_UNUSED( resolution ); /* What to do with this? */ + + FT_FRAME_EXIT(); + + upem = face->header.Units_Per_EM; + hori = &face->horizontal; + + metrics->x_ppem = ppem; + metrics->y_ppem = ppem; + + ppem_ = (FT_Pos)ppem; + + metrics->ascender = + FT_MulDiv( hori->Ascender, ppem_ * 64, upem ); + metrics->descender = + FT_MulDiv( hori->Descender, ppem_ * 64, upem ); + metrics->height = + FT_MulDiv( hori->Ascender - hori->Descender + hori->Line_Gap, + ppem_ * 64, upem ); + metrics->max_advance = + FT_MulDiv( hori->advance_Width_Max, ppem_ * 64, upem ); + + /* set the scale values (in 16.16 units) so advances */ + /* from the hmtx and vmtx table are scaled correctly */ + metrics->x_scale = FT_MulDiv( metrics->x_ppem, + 64 * 0x10000, + face->header.Units_Per_EM ); + metrics->y_scale = FT_MulDiv( metrics->y_ppem, + 64 * 0x10000, + face->header.Units_Per_EM ); + + return error; + } + + default: + return FT_THROW( Unknown_File_Format ); + } + } + + + typedef struct TT_SBitDecoderRec_ + { + TT_Face face; + FT_Stream stream; + FT_Bitmap* bitmap; + TT_SBit_Metrics metrics; + FT_Bool metrics_loaded; + FT_Bool bitmap_allocated; + FT_Byte bit_depth; + + FT_ULong ebdt_start; + FT_ULong ebdt_size; + + FT_ULong strike_index_array; + FT_ULong strike_index_count; + FT_Byte* eblc_base; + FT_Byte* eblc_limit; + + } TT_SBitDecoderRec, *TT_SBitDecoder; + + + static FT_Error + tt_sbit_decoder_init( TT_SBitDecoder decoder, + TT_Face face, + FT_ULong strike_index, + TT_SBit_MetricsRec* metrics ) + { + FT_Error error = FT_ERR( Table_Missing ); + FT_Stream stream = face->root.stream; + + + strike_index = face->sbit_strike_map[strike_index]; + + if ( !face->ebdt_size ) + goto Exit; + if ( FT_STREAM_SEEK( face->ebdt_start ) ) + goto Exit; + + decoder->face = face; + decoder->stream = stream; + decoder->bitmap = &face->root.glyph->bitmap; + decoder->metrics = metrics; + + decoder->metrics_loaded = 0; + decoder->bitmap_allocated = 0; + + decoder->ebdt_start = face->ebdt_start; + decoder->ebdt_size = face->ebdt_size; + + decoder->eblc_base = face->sbit_table; + decoder->eblc_limit = face->sbit_table + face->sbit_table_size; + + /* now find the strike corresponding to the index */ + { + FT_Byte* p; + + + if ( 8 + 48 * strike_index + 3 * 4 + 34 + 1 > face->sbit_table_size ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + p = decoder->eblc_base + 8 + 48 * strike_index; + + decoder->strike_index_array = FT_NEXT_ULONG( p ); + p += 4; + decoder->strike_index_count = FT_NEXT_ULONG( p ); + p += 34; + decoder->bit_depth = *p; + + /* decoder->strike_index_array + */ + /* 8 * decoder->strike_index_count > face->sbit_table_size ? */ + if ( decoder->strike_index_array > face->sbit_table_size || + decoder->strike_index_count > + ( face->sbit_table_size - decoder->strike_index_array ) / 8 ) + error = FT_THROW( Invalid_File_Format ); + } + + Exit: + return error; + } + + + static void + tt_sbit_decoder_done( TT_SBitDecoder decoder ) + { + FT_UNUSED( decoder ); + } + + + static FT_Error + tt_sbit_decoder_alloc_bitmap( TT_SBitDecoder decoder, + FT_Bool metrics_only ) + { + FT_Error error = FT_Err_Ok; + FT_UInt width, height; + FT_Bitmap* map = decoder->bitmap; + FT_ULong size; + + + if ( !decoder->metrics_loaded ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + width = decoder->metrics->width; + height = decoder->metrics->height; + + map->width = width; + map->rows = height; + + switch ( decoder->bit_depth ) + { + case 1: + map->pixel_mode = FT_PIXEL_MODE_MONO; + map->pitch = (int)( ( map->width + 7 ) >> 3 ); + map->num_grays = 2; + break; + + case 2: + map->pixel_mode = FT_PIXEL_MODE_GRAY2; + map->pitch = (int)( ( map->width + 3 ) >> 2 ); + map->num_grays = 4; + break; + + case 4: + map->pixel_mode = FT_PIXEL_MODE_GRAY4; + map->pitch = (int)( ( map->width + 1 ) >> 1 ); + map->num_grays = 16; + break; + + case 8: + map->pixel_mode = FT_PIXEL_MODE_GRAY; + map->pitch = (int)( map->width ); + map->num_grays = 256; + break; + + case 32: + map->pixel_mode = FT_PIXEL_MODE_BGRA; + map->pitch = (int)( map->width * 4 ); + map->num_grays = 256; + break; + + default: + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + size = map->rows * (FT_ULong)map->pitch; + + /* check that there is no empty image */ + if ( size == 0 ) + goto Exit; /* exit successfully! */ + + if ( metrics_only ) + goto Exit; /* only metrics are requested */ + + error = ft_glyphslot_alloc_bitmap( decoder->face->root.glyph, size ); + if ( error ) + goto Exit; + + decoder->bitmap_allocated = 1; + + Exit: + return error; + } + + + static FT_Error + tt_sbit_decoder_load_metrics( TT_SBitDecoder decoder, + FT_Byte* *pp, + FT_Byte* limit, + FT_Bool big ) + { + FT_Byte* p = *pp; + TT_SBit_Metrics metrics = decoder->metrics; + + + if ( p + 5 > limit ) + goto Fail; + + metrics->height = p[0]; + metrics->width = p[1]; + metrics->horiBearingX = (FT_Char)p[2]; + metrics->horiBearingY = (FT_Char)p[3]; + metrics->horiAdvance = p[4]; + + p += 5; + if ( big ) + { + if ( p + 3 > limit ) + goto Fail; + + metrics->vertBearingX = (FT_Char)p[0]; + metrics->vertBearingY = (FT_Char)p[1]; + metrics->vertAdvance = p[2]; + + p += 3; + } + else + { + /* avoid uninitialized data in case there is no vertical info -- */ + metrics->vertBearingX = 0; + metrics->vertBearingY = 0; + metrics->vertAdvance = 0; + } + + decoder->metrics_loaded = 1; + *pp = p; + return FT_Err_Ok; + + Fail: + FT_TRACE1(( "tt_sbit_decoder_load_metrics: broken table\n" )); + return FT_THROW( Invalid_Argument ); + } + + + /* forward declaration */ + static FT_Error + tt_sbit_decoder_load_image( TT_SBitDecoder decoder, + FT_UInt glyph_index, + FT_Int x_pos, + FT_Int y_pos, + FT_UInt recurse_count, + FT_Bool metrics_only ); + + typedef FT_Error (*TT_SBitDecoder_LoadFunc)( + TT_SBitDecoder decoder, + FT_Byte* p, + FT_Byte* plimit, + FT_Int x_pos, + FT_Int y_pos, + FT_UInt recurse_count ); + + + static FT_Error + tt_sbit_decoder_load_byte_aligned( TT_SBitDecoder decoder, + FT_Byte* p, + FT_Byte* limit, + FT_Int x_pos, + FT_Int y_pos, + FT_UInt recurse_count ) + { + FT_Error error = FT_Err_Ok; + FT_Byte* line; + FT_Int pitch, width, height, line_bits, h; + FT_UInt bit_height, bit_width; + FT_Bitmap* bitmap; + + FT_UNUSED( recurse_count ); + + + /* check that we can write the glyph into the bitmap */ + bitmap = decoder->bitmap; + bit_width = bitmap->width; + bit_height = bitmap->rows; + pitch = bitmap->pitch; + line = bitmap->buffer; + + width = decoder->metrics->width; + height = decoder->metrics->height; + + line_bits = width * decoder->bit_depth; + + if ( x_pos < 0 || (FT_UInt)( x_pos + width ) > bit_width || + y_pos < 0 || (FT_UInt)( y_pos + height ) > bit_height ) + { + FT_TRACE1(( "tt_sbit_decoder_load_byte_aligned:" + " invalid bitmap dimensions\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( p + ( ( line_bits + 7 ) >> 3 ) * height > limit ) + { + FT_TRACE1(( "tt_sbit_decoder_load_byte_aligned: broken bitmap\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* now do the blit */ + line += y_pos * pitch + ( x_pos >> 3 ); + x_pos &= 7; + + if ( x_pos == 0 ) /* the easy one */ + { + for ( h = height; h > 0; h--, line += pitch ) + { + FT_Byte* pwrite = line; + FT_Int w; + + + for ( w = line_bits; w >= 8; w -= 8 ) + { + pwrite[0] = (FT_Byte)( pwrite[0] | *p++ ); + pwrite += 1; + } + + if ( w > 0 ) + pwrite[0] = (FT_Byte)( pwrite[0] | ( *p++ & ( 0xFF00U >> w ) ) ); + } + } + else /* x_pos > 0 */ + { + for ( h = height; h > 0; h--, line += pitch ) + { + FT_Byte* pwrite = line; + FT_Int w; + FT_UInt wval = 0; + + + for ( w = line_bits; w >= 8; w -= 8 ) + { + wval = (FT_UInt)( wval | *p++ ); + pwrite[0] = (FT_Byte)( pwrite[0] | ( wval >> x_pos ) ); + pwrite += 1; + wval <<= 8; + } + + if ( w > 0 ) + wval = (FT_UInt)( wval | ( *p++ & ( 0xFF00U >> w ) ) ); + + /* all bits read and there are `x_pos + w' bits to be written */ + + pwrite[0] = (FT_Byte)( pwrite[0] | ( wval >> x_pos ) ); + + if ( x_pos + w > 8 ) + { + pwrite++; + wval <<= 8; + pwrite[0] = (FT_Byte)( pwrite[0] | ( wval >> x_pos ) ); + } + } + } + + Exit: + if ( !error ) + FT_TRACE3(( "tt_sbit_decoder_load_byte_aligned: loaded\n" )); + return error; + } + + + /* + * Load a bit-aligned bitmap (with pointer `p') into a line-aligned bitmap + * (with pointer `pwrite'). In the example below, the width is 3 pixel, + * and `x_pos' is 1 pixel. + * + * p p+1 + * | | | + * | 7 6 5 4 3 2 1 0 | 7 6 5 4 3 2 1 0 |... + * | | | + * +-------+ +-------+ +-------+ ... + * . . . + * . . . + * v . . + * +-------+ . . + * | | . + * | 7 6 5 4 3 2 1 0 | . + * | | . + * pwrite . . + * . . + * v . + * +-------+ . + * | | + * | 7 6 5 4 3 2 1 0 | + * | | + * pwrite+1 . + * . + * v + * +-------+ + * | | + * | 7 6 5 4 3 2 1 0 | + * | | + * pwrite+2 + * + */ + + static FT_Error + tt_sbit_decoder_load_bit_aligned( TT_SBitDecoder decoder, + FT_Byte* p, + FT_Byte* limit, + FT_Int x_pos, + FT_Int y_pos, + FT_UInt recurse_count ) + { + FT_Error error = FT_Err_Ok; + FT_Byte* line; + FT_Int pitch, width, height, line_bits, h, nbits; + FT_UInt bit_height, bit_width; + FT_Bitmap* bitmap; + FT_UShort rval; + + FT_UNUSED( recurse_count ); + + + /* check that we can write the glyph into the bitmap */ + bitmap = decoder->bitmap; + bit_width = bitmap->width; + bit_height = bitmap->rows; + pitch = bitmap->pitch; + line = bitmap->buffer; + + width = decoder->metrics->width; + height = decoder->metrics->height; + + line_bits = width * decoder->bit_depth; + + if ( x_pos < 0 || (FT_UInt)( x_pos + width ) > bit_width || + y_pos < 0 || (FT_UInt)( y_pos + height ) > bit_height ) + { + FT_TRACE1(( "tt_sbit_decoder_load_bit_aligned:" + " invalid bitmap dimensions\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( p + ( ( line_bits * height + 7 ) >> 3 ) > limit ) + { + FT_TRACE1(( "tt_sbit_decoder_load_bit_aligned: broken bitmap\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( !line_bits || !height ) + { + /* nothing to do */ + goto Exit; + } + + /* now do the blit */ + + /* adjust `line' to point to the first byte of the bitmap */ + line += y_pos * pitch + ( x_pos >> 3 ); + x_pos &= 7; + + /* the higher byte of `rval' is used as a buffer */ + rval = 0; + nbits = 0; + + for ( h = height; h > 0; h--, line += pitch ) + { + FT_Byte* pwrite = line; + FT_Int w = line_bits; + + + /* handle initial byte (in target bitmap) specially if necessary */ + if ( x_pos ) + { + w = ( line_bits < 8 - x_pos ) ? line_bits : 8 - x_pos; + + if ( h == height ) + { + rval = *p++; + nbits = x_pos; + } + else if ( nbits < w ) + { + if ( p < limit ) + rval |= *p++; + nbits += 8 - w; + } + else + { + rval >>= 8; + nbits -= w; + } + + *pwrite++ |= ( ( rval >> nbits ) & 0xFF ) & + ( ~( 0xFFU << w ) << ( 8 - w - x_pos ) ); + rval <<= 8; + + w = line_bits - w; + } + + /* handle medial bytes */ + for ( ; w >= 8; w -= 8 ) + { + rval |= *p++; + *pwrite++ |= ( rval >> nbits ) & 0xFF; + + rval <<= 8; + } + + /* handle final byte if necessary */ + if ( w > 0 ) + { + if ( nbits < w ) + { + if ( p < limit ) + rval |= *p++; + *pwrite |= ( ( rval >> nbits ) & 0xFF ) & ( 0xFF00U >> w ); + nbits += 8 - w; + + rval <<= 8; + } + else + { + *pwrite |= ( ( rval >> nbits ) & 0xFF ) & ( 0xFF00U >> w ); + nbits -= w; + } + } + } + + Exit: + if ( !error ) + FT_TRACE3(( "tt_sbit_decoder_load_bit_aligned: loaded\n" )); + return error; + } + + + static FT_Error + tt_sbit_decoder_load_compound( TT_SBitDecoder decoder, + FT_Byte* p, + FT_Byte* limit, + FT_Int x_pos, + FT_Int y_pos, + FT_UInt recurse_count ) + { + FT_Error error = FT_Err_Ok; + FT_UInt num_components, nn; + + FT_Char horiBearingX = (FT_Char)decoder->metrics->horiBearingX; + FT_Char horiBearingY = (FT_Char)decoder->metrics->horiBearingY; + FT_Byte horiAdvance = (FT_Byte)decoder->metrics->horiAdvance; + FT_Char vertBearingX = (FT_Char)decoder->metrics->vertBearingX; + FT_Char vertBearingY = (FT_Char)decoder->metrics->vertBearingY; + FT_Byte vertAdvance = (FT_Byte)decoder->metrics->vertAdvance; + + + if ( p + 2 > limit ) + goto Fail; + + num_components = FT_NEXT_USHORT( p ); + if ( p + 4 * num_components > limit ) + { + FT_TRACE1(( "tt_sbit_decoder_load_compound: broken table\n" )); + goto Fail; + } + + FT_TRACE3(( "tt_sbit_decoder_load_compound: loading %d component%s\n", + num_components, + num_components == 1 ? "" : "s" )); + + for ( nn = 0; nn < num_components; nn++ ) + { + FT_UInt gindex = FT_NEXT_USHORT( p ); + FT_Byte dx = FT_NEXT_BYTE( p ); + FT_Byte dy = FT_NEXT_BYTE( p ); + + + /* NB: a recursive call */ + error = tt_sbit_decoder_load_image( decoder, + gindex, + x_pos + dx, + y_pos + dy, + recurse_count + 1, + /* request full bitmap image */ + FALSE ); + if ( error ) + break; + } + + FT_TRACE3(( "tt_sbit_decoder_load_compound: done\n" )); + + decoder->metrics->horiBearingX = horiBearingX; + decoder->metrics->horiBearingY = horiBearingY; + decoder->metrics->horiAdvance = horiAdvance; + decoder->metrics->vertBearingX = vertBearingX; + decoder->metrics->vertBearingY = vertBearingY; + decoder->metrics->vertAdvance = vertAdvance; + decoder->metrics->width = (FT_Byte)decoder->bitmap->width; + decoder->metrics->height = (FT_Byte)decoder->bitmap->rows; + + Exit: + return error; + + Fail: + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + +#ifdef FT_CONFIG_OPTION_USE_PNG + + static FT_Error + tt_sbit_decoder_load_png( TT_SBitDecoder decoder, + FT_Byte* p, + FT_Byte* limit, + FT_Int x_pos, + FT_Int y_pos, + FT_UInt recurse_count ) + { + FT_Error error = FT_Err_Ok; + FT_ULong png_len; + + FT_UNUSED( recurse_count ); + + + if ( limit - p < 4 ) + { + FT_TRACE1(( "tt_sbit_decoder_load_png: broken bitmap\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + png_len = FT_NEXT_ULONG( p ); + if ( (FT_ULong)( limit - p ) < png_len ) + { + FT_TRACE1(( "tt_sbit_decoder_load_png: broken bitmap\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + error = Load_SBit_Png( decoder->face->root.glyph, + x_pos, + y_pos, + decoder->bit_depth, + decoder->metrics, + decoder->stream->memory, + p, + png_len, + FALSE, + FALSE ); + + Exit: + if ( !error ) + FT_TRACE3(( "tt_sbit_decoder_load_png: loaded\n" )); + return error; + } + +#endif /* FT_CONFIG_OPTION_USE_PNG */ + + + static FT_Error + tt_sbit_decoder_load_bitmap( TT_SBitDecoder decoder, + FT_UInt glyph_format, + FT_ULong glyph_start, + FT_ULong glyph_size, + FT_Int x_pos, + FT_Int y_pos, + FT_UInt recurse_count, + FT_Bool metrics_only ) + { + FT_Error error; + FT_Stream stream = decoder->stream; + FT_Byte* p; + FT_Byte* p_limit; + FT_Byte* data; + + + /* seek into the EBDT table now */ + if ( !glyph_size || + glyph_start + glyph_size > decoder->ebdt_size ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + if ( FT_STREAM_SEEK( decoder->ebdt_start + glyph_start ) || + FT_FRAME_EXTRACT( glyph_size, data ) ) + goto Exit; + + p = data; + p_limit = p + glyph_size; + + /* read the data, depending on the glyph format */ + switch ( glyph_format ) + { + case 1: + case 2: + case 8: + case 17: + error = tt_sbit_decoder_load_metrics( decoder, &p, p_limit, 0 ); + break; + + case 6: + case 7: + case 9: + case 18: + error = tt_sbit_decoder_load_metrics( decoder, &p, p_limit, 1 ); + break; + + default: + error = FT_Err_Ok; + } + + if ( error ) + goto Fail; + + { + TT_SBitDecoder_LoadFunc loader; + + + switch ( glyph_format ) + { + case 1: + case 6: + loader = tt_sbit_decoder_load_byte_aligned; + break; + + case 2: + case 7: + { + /* Don't trust `glyph_format'. For example, Apple's main Korean */ + /* system font, `AppleMyungJo.ttf' (version 7.0d2e6), uses glyph */ + /* format 7, but the data is format 6. We check whether we have */ + /* an excessive number of bytes in the image: If it is equal to */ + /* the value for a byte-aligned glyph, use the other loading */ + /* routine. */ + /* */ + /* Note that for some (width,height) combinations, where the */ + /* width is not a multiple of 8, the sizes for bit- and */ + /* byte-aligned data are equal, for example (7,7) or (15,6). We */ + /* then prefer what `glyph_format' specifies. */ + + FT_UInt width = decoder->metrics->width; + FT_UInt height = decoder->metrics->height; + + FT_UInt bit_size = ( width * height + 7 ) >> 3; + FT_UInt byte_size = height * ( ( width + 7 ) >> 3 ); + + + if ( bit_size < byte_size && + byte_size == (FT_UInt)( p_limit - p ) ) + loader = tt_sbit_decoder_load_byte_aligned; + else + loader = tt_sbit_decoder_load_bit_aligned; + } + break; + + case 5: + loader = tt_sbit_decoder_load_bit_aligned; + break; + + case 8: + if ( p + 1 > p_limit ) + goto Fail; + + p += 1; /* skip padding */ + /* fall-through */ + + case 9: + loader = tt_sbit_decoder_load_compound; + break; + + case 17: /* small metrics, PNG image data */ + case 18: /* big metrics, PNG image data */ + case 19: /* metrics in EBLC, PNG image data */ +#ifdef FT_CONFIG_OPTION_USE_PNG + loader = tt_sbit_decoder_load_png; + break; +#else + error = FT_THROW( Unimplemented_Feature ); + goto Fail; +#endif /* FT_CONFIG_OPTION_USE_PNG */ + + default: + error = FT_THROW( Invalid_Table ); + goto Fail; + } + + if ( !decoder->bitmap_allocated ) + { + error = tt_sbit_decoder_alloc_bitmap( decoder, metrics_only ); + + if ( error ) + goto Fail; + } + + if ( metrics_only ) + goto Fail; /* this is not an error */ + + error = loader( decoder, p, p_limit, x_pos, y_pos, recurse_count ); + } + + Fail: + FT_FRAME_RELEASE( data ); + + Exit: + return error; + } + + + static FT_Error + tt_sbit_decoder_load_image( TT_SBitDecoder decoder, + FT_UInt glyph_index, + FT_Int x_pos, + FT_Int y_pos, + FT_UInt recurse_count, + FT_Bool metrics_only ) + { + FT_Byte* p = decoder->eblc_base + decoder->strike_index_array; + FT_Byte* p_limit = decoder->eblc_limit; + FT_ULong num_ranges = decoder->strike_index_count; + FT_UInt start, end, index_format, image_format; + FT_ULong image_start = 0, image_end = 0, image_offset; + + + /* arbitrary recursion limit */ + if ( recurse_count > 100 ) + { + FT_TRACE4(( "tt_sbit_decoder_load_image:" + " recursion depth exceeded\n" )); + goto Failure; + } + + + /* First, we find the correct strike range that applies to this */ + /* glyph index. */ + for ( ; num_ranges > 0; num_ranges-- ) + { + start = FT_NEXT_USHORT( p ); + end = FT_NEXT_USHORT( p ); + + if ( glyph_index >= start && glyph_index <= end ) + goto FoundRange; + + p += 4; /* ignore index offset */ + } + goto NoBitmap; + + FoundRange: + image_offset = FT_NEXT_ULONG( p ); + + /* overflow check */ + p = decoder->eblc_base + decoder->strike_index_array; + if ( image_offset > (FT_ULong)( p_limit - p ) ) + goto Failure; + + p += image_offset; + if ( p + 8 > p_limit ) + goto NoBitmap; + + /* now find the glyph's location and extend within the ebdt table */ + index_format = FT_NEXT_USHORT( p ); + image_format = FT_NEXT_USHORT( p ); + image_offset = FT_NEXT_ULONG ( p ); + + switch ( index_format ) + { + case 1: /* 4-byte offsets relative to `image_offset' */ + p += 4 * ( glyph_index - start ); + if ( p + 8 > p_limit ) + goto NoBitmap; + + image_start = FT_NEXT_ULONG( p ); + image_end = FT_NEXT_ULONG( p ); + + if ( image_start == image_end ) /* missing glyph */ + goto NoBitmap; + break; + + case 2: /* big metrics, constant image size */ + { + FT_ULong image_size; + + + if ( p + 12 > p_limit ) + goto NoBitmap; + + image_size = FT_NEXT_ULONG( p ); + + if ( tt_sbit_decoder_load_metrics( decoder, &p, p_limit, 1 ) ) + goto NoBitmap; + + image_start = image_size * ( glyph_index - start ); + image_end = image_start + image_size; + } + break; + + case 3: /* 2-byte offsets relative to 'image_offset' */ + p += 2 * ( glyph_index - start ); + if ( p + 4 > p_limit ) + goto NoBitmap; + + image_start = FT_NEXT_USHORT( p ); + image_end = FT_NEXT_USHORT( p ); + + if ( image_start == image_end ) /* missing glyph */ + goto NoBitmap; + break; + + case 4: /* sparse glyph array with (glyph,offset) pairs */ + { + FT_ULong mm, num_glyphs; + + + if ( p + 4 > p_limit ) + goto NoBitmap; + + num_glyphs = FT_NEXT_ULONG( p ); + + /* overflow check for p + ( num_glyphs + 1 ) * 4 */ + if ( p + 4 > p_limit || + num_glyphs > (FT_ULong)( ( ( p_limit - p ) >> 2 ) - 1 ) ) + goto NoBitmap; + + for ( mm = 0; mm < num_glyphs; mm++ ) + { + FT_UInt gindex = FT_NEXT_USHORT( p ); + + + if ( gindex == glyph_index ) + { + image_start = FT_NEXT_USHORT( p ); + p += 2; + image_end = FT_PEEK_USHORT( p ); + break; + } + p += 2; + } + + if ( mm >= num_glyphs ) + goto NoBitmap; + } + break; + + case 5: /* constant metrics with sparse glyph codes */ + case 19: + { + FT_ULong image_size, mm, num_glyphs; + + + if ( p + 16 > p_limit ) + goto NoBitmap; + + image_size = FT_NEXT_ULONG( p ); + + if ( tt_sbit_decoder_load_metrics( decoder, &p, p_limit, 1 ) ) + goto NoBitmap; + + num_glyphs = FT_NEXT_ULONG( p ); + + /* overflow check for p + 2 * num_glyphs */ + if ( num_glyphs > (FT_ULong)( ( p_limit - p ) >> 1 ) ) + goto NoBitmap; + + for ( mm = 0; mm < num_glyphs; mm++ ) + { + FT_UInt gindex = FT_NEXT_USHORT( p ); + + + if ( gindex == glyph_index ) + break; + } + + if ( mm >= num_glyphs ) + goto NoBitmap; + + image_start = image_size * mm; + image_end = image_start + image_size; + } + break; + + default: + goto NoBitmap; + } + + if ( image_start > image_end ) + goto NoBitmap; + + image_end -= image_start; + image_start = image_offset + image_start; + + FT_TRACE3(( "tt_sbit_decoder_load_image:" + " found sbit (format %d) for glyph index %d\n", + image_format, glyph_index )); + + return tt_sbit_decoder_load_bitmap( decoder, + image_format, + image_start, + image_end, + x_pos, + y_pos, + recurse_count, + metrics_only ); + + Failure: + return FT_THROW( Invalid_Table ); + + NoBitmap: + if ( recurse_count ) + { + FT_TRACE4(( "tt_sbit_decoder_load_image:" + " missing subglyph sbit with glyph index %d\n", + glyph_index )); + return FT_THROW( Invalid_Composite ); + } + + FT_TRACE4(( "tt_sbit_decoder_load_image:" + " no sbit found for glyph index %d\n", glyph_index )); + return FT_THROW( Missing_Bitmap ); + } + + + static FT_Error + tt_face_load_sbix_image( TT_Face face, + FT_ULong strike_index, + FT_UInt glyph_index, + FT_Stream stream, + FT_Bitmap *map, + TT_SBit_MetricsRec *metrics, + FT_Bool metrics_only ) + { + FT_UInt strike_offset, glyph_start, glyph_end; + FT_Int originOffsetX, originOffsetY; + FT_Tag graphicType; + FT_Int recurse_depth = 0; + + FT_Error error; + FT_Byte* p; + + FT_UNUSED( map ); +#ifndef FT_CONFIG_OPTION_USE_PNG + FT_UNUSED( metrics_only ); +#endif + + + strike_index = face->sbit_strike_map[strike_index]; + + metrics->width = 0; + metrics->height = 0; + + p = face->sbit_table + 8 + 4 * strike_index; + strike_offset = FT_NEXT_ULONG( p ); + + retry: + if ( glyph_index > (FT_UInt)face->root.num_glyphs ) + return FT_THROW( Invalid_Argument ); + + if ( strike_offset >= face->ebdt_size || + face->ebdt_size - strike_offset < 4 + glyph_index * 4 + 8 ) + return FT_THROW( Invalid_File_Format ); + + if ( FT_STREAM_SEEK( face->ebdt_start + + strike_offset + 4 + + glyph_index * 4 ) || + FT_FRAME_ENTER( 8 ) ) + return error; + + glyph_start = FT_GET_ULONG(); + glyph_end = FT_GET_ULONG(); + + FT_FRAME_EXIT(); + + if ( glyph_start == glyph_end ) + return FT_THROW( Invalid_Argument ); + if ( glyph_start > glyph_end || + glyph_end - glyph_start < 8 || + face->ebdt_size - strike_offset < glyph_end ) + return FT_THROW( Invalid_File_Format ); + + if ( FT_STREAM_SEEK( face->ebdt_start + strike_offset + glyph_start ) || + FT_FRAME_ENTER( glyph_end - glyph_start ) ) + return error; + + originOffsetX = FT_GET_SHORT(); + originOffsetY = FT_GET_SHORT(); + + graphicType = FT_GET_TAG4(); + + switch ( graphicType ) + { + case FT_MAKE_TAG( 'd', 'u', 'p', 'e' ): + if ( recurse_depth < 4 ) + { + glyph_index = FT_GET_USHORT(); + FT_FRAME_EXIT(); + recurse_depth++; + goto retry; + } + error = FT_THROW( Invalid_File_Format ); + break; + + case FT_MAKE_TAG( 'p', 'n', 'g', ' ' ): +#ifdef FT_CONFIG_OPTION_USE_PNG + error = Load_SBit_Png( face->root.glyph, + 0, + 0, + 32, + metrics, + stream->memory, + stream->cursor, + glyph_end - glyph_start - 8, + TRUE, + metrics_only ); +#else + error = FT_THROW( Unimplemented_Feature ); +#endif + break; + + case FT_MAKE_TAG( 'j', 'p', 'g', ' ' ): + case FT_MAKE_TAG( 't', 'i', 'f', 'f' ): + case FT_MAKE_TAG( 'r', 'g', 'b', 'l' ): /* used on iOS 7.1 */ + error = FT_THROW( Unknown_File_Format ); + break; + + default: + error = FT_THROW( Unimplemented_Feature ); + break; + } + + FT_FRAME_EXIT(); + + if ( !error ) + { + FT_Short abearing; + FT_UShort aadvance; + + + tt_face_get_metrics( face, FALSE, glyph_index, &abearing, &aadvance ); + + metrics->horiBearingX = (FT_Short)originOffsetX; + metrics->horiBearingY = (FT_Short)( -originOffsetY + metrics->height ); + metrics->horiAdvance = (FT_UShort)( aadvance * + face->root.size->metrics.x_ppem / + face->header.Units_Per_EM ); + } + + return error; + } + + FT_LOCAL( FT_Error ) + tt_face_load_sbit_image( TT_Face face, + FT_ULong strike_index, + FT_UInt glyph_index, + FT_UInt load_flags, + FT_Stream stream, + FT_Bitmap *map, + TT_SBit_MetricsRec *metrics ) + { + FT_Error error = FT_Err_Ok; + + + switch ( (FT_UInt)face->sbit_table_type ) + { + case TT_SBIT_TABLE_TYPE_EBLC: + case TT_SBIT_TABLE_TYPE_CBLC: + { + TT_SBitDecoderRec decoder[1]; + + + error = tt_sbit_decoder_init( decoder, face, strike_index, metrics ); + if ( !error ) + { + error = tt_sbit_decoder_load_image( + decoder, + glyph_index, + 0, + 0, + 0, + ( load_flags & FT_LOAD_BITMAP_METRICS_ONLY ) != 0 ); + tt_sbit_decoder_done( decoder ); + } + } + break; + + case TT_SBIT_TABLE_TYPE_SBIX: + error = tt_face_load_sbix_image( + face, + strike_index, + glyph_index, + stream, + map, + metrics, + ( load_flags & FT_LOAD_BITMAP_METRICS_ONLY ) != 0 ); + break; + + default: + error = FT_THROW( Unknown_File_Format ); + break; + } + + /* Flatten color bitmaps if color was not requested. */ + if ( !error && + !( load_flags & FT_LOAD_COLOR ) && + !( load_flags & FT_LOAD_BITMAP_METRICS_ONLY ) && + map->pixel_mode == FT_PIXEL_MODE_BGRA ) + { + FT_Bitmap new_map; + FT_Library library = face->root.glyph->library; + + + FT_Bitmap_Init( &new_map ); + + /* Convert to 8bit grayscale. */ + error = FT_Bitmap_Convert( library, map, &new_map, 1 ); + if ( error ) + FT_Bitmap_Done( library, &new_map ); + else + { + map->pixel_mode = new_map.pixel_mode; + map->pitch = new_map.pitch; + map->num_grays = new_map.num_grays; + + ft_glyphslot_set_bitmap( face->root.glyph, new_map.buffer ); + face->root.glyph->internal->flags |= FT_GLYPH_OWN_BITMAP; + } + } + + return error; + } + +#else /* !TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + /* ANSI C doesn't like empty source files */ + typedef int _tt_sbit_dummy; + +#endif /* !TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttsbit.h b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttsbit.h new file mode 100644 index 00000000000..ce2af3c1628 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/sfnt/ttsbit.h @@ -0,0 +1,63 @@ +/***************************************************************************/ +/* */ +/* ttsbit.h */ +/* */ +/* TrueType and OpenType embedded bitmap support (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTSBIT_H_ +#define TTSBIT_H_ + + +#include <ft2build.h> +#include "ttload.h" + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + tt_face_load_sbit( TT_Face face, + FT_Stream stream ); + + FT_LOCAL( void ) + tt_face_free_sbit( TT_Face face ); + + + FT_LOCAL( FT_Error ) + tt_face_set_sbit_strike( TT_Face face, + FT_Size_Request req, + FT_ULong* astrike_index ); + + FT_LOCAL( FT_Error ) + tt_face_load_strike_metrics( TT_Face face, + FT_ULong strike_index, + FT_Size_Metrics* metrics ); + + FT_LOCAL( FT_Error ) + tt_face_load_sbit_image( TT_Face face, + FT_ULong strike_index, + FT_UInt glyph_index, + FT_UInt load_flags, + FT_Stream stream, + FT_Bitmap *map, + TT_SBit_MetricsRec *metrics ); + + +FT_END_HEADER + +#endif /* TTSBIT_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftgrays.c b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftgrays.c new file mode 100644 index 00000000000..6ce6f86444c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftgrays.c @@ -0,0 +1,2042 @@ +/***************************************************************************/ +/* */ +/* ftgrays.c */ +/* */ +/* A new `perfect' anti-aliasing renderer (body). */ +/* */ +/* Copyright 2000-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + /*************************************************************************/ + /* */ + /* This file can be compiled without the rest of the FreeType engine, by */ + /* defining the STANDALONE_ macro when compiling it. You also need to */ + /* put the files `ftgrays.h' and `ftimage.h' into the current */ + /* compilation directory. Typically, you could do something like */ + /* */ + /* - copy `src/smooth/ftgrays.c' (this file) to your current directory */ + /* */ + /* - copy `include/freetype/ftimage.h' and `src/smooth/ftgrays.h' to the */ + /* same directory */ + /* */ + /* - compile `ftgrays' with the STANDALONE_ macro defined, as in */ + /* */ + /* cc -c -DSTANDALONE_ ftgrays.c */ + /* */ + /* The renderer can be initialized with a call to */ + /* `ft_gray_raster.raster_new'; an anti-aliased bitmap can be generated */ + /* with a call to `ft_gray_raster.raster_render'. */ + /* */ + /* See the comments and documentation in the file `ftimage.h' for more */ + /* details on how the raster works. */ + /* */ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* This is a new anti-aliasing scan-converter for FreeType 2. The */ + /* algorithm used here is _very_ different from the one in the standard */ + /* `ftraster' module. Actually, `ftgrays' computes the _exact_ */ + /* coverage of the outline on each pixel cell. */ + /* */ + /* It is based on ideas that I initially found in Raph Levien's */ + /* excellent LibArt graphics library (see http://www.levien.com/libart */ + /* for more information, though the web pages do not tell anything */ + /* about the renderer; you'll have to dive into the source code to */ + /* understand how it works). */ + /* */ + /* Note, however, that this is a _very_ different implementation */ + /* compared to Raph's. Coverage information is stored in a very */ + /* different way, and I don't use sorted vector paths. Also, it doesn't */ + /* use floating point values. */ + /* */ + /* This renderer has the following advantages: */ + /* */ + /* - It doesn't need an intermediate bitmap. Instead, one can supply a */ + /* callback function that will be called by the renderer to draw gray */ + /* spans on any target surface. You can thus do direct composition on */ + /* any kind of bitmap, provided that you give the renderer the right */ + /* callback. */ + /* */ + /* - A perfect anti-aliaser, i.e., it computes the _exact_ coverage on */ + /* each pixel cell. */ + /* */ + /* - It performs a single pass on the outline (the `standard' FT2 */ + /* renderer makes two passes). */ + /* */ + /* - It can easily be modified to render to _any_ number of gray levels */ + /* cheaply. */ + /* */ + /* - For small (< 20) pixel sizes, it is faster than the standard */ + /* renderer. */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_smooth + + +#ifdef STANDALONE_ + + + /* The size in bytes of the render pool used by the scan-line converter */ + /* to do all of its work. */ +#define FT_RENDER_POOL_SIZE 16384L + + + /* Auxiliary macros for token concatenation. */ +#define FT_ERR_XCAT( x, y ) x ## y +#define FT_ERR_CAT( x, y ) FT_ERR_XCAT( x, y ) + +#define FT_BEGIN_STMNT do { +#define FT_END_STMNT } while ( 0 ) + +#define FT_MIN( a, b ) ( (a) < (b) ? (a) : (b) ) +#define FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) ) +#define FT_ABS( a ) ( (a) < 0 ? -(a) : (a) ) + + + /* + * Approximate sqrt(x*x+y*y) using the `alpha max plus beta min' + * algorithm. We use alpha = 1, beta = 3/8, giving us results with a + * largest error less than 7% compared to the exact value. + */ +#define FT_HYPOT( x, y ) \ + ( x = FT_ABS( x ), \ + y = FT_ABS( y ), \ + x > y ? x + ( 3 * y >> 3 ) \ + : y + ( 3 * x >> 3 ) ) + + + /* define this to dump debugging information */ +/* #define FT_DEBUG_LEVEL_TRACE */ + + +#ifdef FT_DEBUG_LEVEL_TRACE +#include <stdio.h> +#include <stdarg.h> +#endif + +#include <stddef.h> +#include <string.h> +#include <setjmp.h> +#include <limits.h> +#define FT_CHAR_BIT CHAR_BIT +#define FT_UINT_MAX UINT_MAX +#define FT_INT_MAX INT_MAX +#define FT_ULONG_MAX ULONG_MAX + +#define ADD_LONG( a, b ) \ + (long)( (unsigned long)(a) + (unsigned long)(b) ) +#define SUB_LONG( a, b ) \ + (long)( (unsigned long)(a) - (unsigned long)(b) ) +#define MUL_LONG( a, b ) \ + (long)( (unsigned long)(a) * (unsigned long)(b) ) +#define NEG_LONG( a ) \ + (long)( -(unsigned long)(a) ) + + +#define ft_memset memset + +#define ft_setjmp setjmp +#define ft_longjmp longjmp +#define ft_jmp_buf jmp_buf + +typedef ptrdiff_t FT_PtrDist; + + +#define ErrRaster_Invalid_Mode -2 +#define ErrRaster_Invalid_Outline -1 +#define ErrRaster_Invalid_Argument -3 +#define ErrRaster_Memory_Overflow -4 + +#define FT_BEGIN_HEADER +#define FT_END_HEADER + +#include "ftimage.h" +#include "ftgrays.h" + + + /* This macro is used to indicate that a function parameter is unused. */ + /* Its purpose is simply to reduce compiler warnings. Note also that */ + /* simply defining it as `(void)x' doesn't avoid warnings with certain */ + /* ANSI compilers (e.g. LCC). */ +#define FT_UNUSED( x ) (x) = (x) + + + /* we only use level 5 & 7 tracing messages; cf. ftdebug.h */ + +#ifdef FT_DEBUG_LEVEL_TRACE + + void + FT_Message( const char* fmt, + ... ) + { + va_list ap; + + + va_start( ap, fmt ); + vfprintf( stderr, fmt, ap ); + va_end( ap ); + } + + + /* empty function useful for setting a breakpoint to catch errors */ + int + FT_Throw( int error, + int line, + const char* file ) + { + FT_UNUSED( error ); + FT_UNUSED( line ); + FT_UNUSED( file ); + + return 0; + } + + + /* we don't handle tracing levels in stand-alone mode; */ +#ifndef FT_TRACE5 +#define FT_TRACE5( varformat ) FT_Message varformat +#endif +#ifndef FT_TRACE7 +#define FT_TRACE7( varformat ) FT_Message varformat +#endif +#ifndef FT_ERROR +#define FT_ERROR( varformat ) FT_Message varformat +#endif + +#define FT_THROW( e ) \ + ( FT_Throw( FT_ERR_CAT( ErrRaster, e ), \ + __LINE__, \ + __FILE__ ) | \ + FT_ERR_CAT( ErrRaster, e ) ) + +#else /* !FT_DEBUG_LEVEL_TRACE */ + +#define FT_TRACE5( x ) do { } while ( 0 ) /* nothing */ +#define FT_TRACE7( x ) do { } while ( 0 ) /* nothing */ +#define FT_ERROR( x ) do { } while ( 0 ) /* nothing */ +#define FT_THROW( e ) FT_ERR_CAT( ErrRaster_, e ) + + +#endif /* !FT_DEBUG_LEVEL_TRACE */ + + +#define FT_DEFINE_OUTLINE_FUNCS( class_, \ + move_to_, line_to_, \ + conic_to_, cubic_to_, \ + shift_, delta_ ) \ + static const FT_Outline_Funcs class_ = \ + { \ + move_to_, \ + line_to_, \ + conic_to_, \ + cubic_to_, \ + shift_, \ + delta_ \ + }; + +#define FT_DEFINE_RASTER_FUNCS( class_, glyph_format_, \ + raster_new_, raster_reset_, \ + raster_set_mode_, raster_render_, \ + raster_done_ ) \ + const FT_Raster_Funcs class_ = \ + { \ + glyph_format_, \ + raster_new_, \ + raster_reset_, \ + raster_set_mode_, \ + raster_render_, \ + raster_done_ \ + }; + + +#else /* !STANDALONE_ */ + + +#include <ft2build.h> +#include "ftgrays.h" +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_CALC_H +#include FT_OUTLINE_H + +#include "ftsmerrs.h" + +#include "ftspic.h" + +#define Smooth_Err_Invalid_Mode Smooth_Err_Cannot_Render_Glyph +#define Smooth_Err_Memory_Overflow Smooth_Err_Out_Of_Memory +#define ErrRaster_Memory_Overflow Smooth_Err_Out_Of_Memory + + +#endif /* !STANDALONE_ */ + + +#ifndef FT_MEM_SET +#define FT_MEM_SET( d, s, c ) ft_memset( d, s, c ) +#endif + +#ifndef FT_MEM_ZERO +#define FT_MEM_ZERO( dest, count ) FT_MEM_SET( dest, 0, count ) +#endif + +#ifndef FT_ZERO +#define FT_ZERO( p ) FT_MEM_ZERO( p, sizeof ( *(p) ) ) +#endif + + /* as usual, for the speed hungry :-) */ + +#undef RAS_ARG +#undef RAS_ARG_ +#undef RAS_VAR +#undef RAS_VAR_ + +#ifndef FT_STATIC_RASTER + +#define RAS_ARG gray_PWorker worker +#define RAS_ARG_ gray_PWorker worker, + +#define RAS_VAR worker +#define RAS_VAR_ worker, + +#else /* FT_STATIC_RASTER */ + +#define RAS_ARG void +#define RAS_ARG_ /* empty */ +#define RAS_VAR /* empty */ +#define RAS_VAR_ /* empty */ + +#endif /* FT_STATIC_RASTER */ + + + /* must be at least 6 bits! */ +#define PIXEL_BITS 8 + +#undef FLOOR +#undef CEILING +#undef TRUNC +#undef SCALED + +#define ONE_PIXEL ( 1 << PIXEL_BITS ) +#define TRUNC( x ) ( (TCoord)( (x) >> PIXEL_BITS ) ) +#define SUBPIXELS( x ) ( (TPos)(x) * ONE_PIXEL ) +#define FLOOR( x ) ( (x) & -ONE_PIXEL ) +#define CEILING( x ) ( ( (x) + ONE_PIXEL - 1 ) & -ONE_PIXEL ) +#define ROUND( x ) ( ( (x) + ONE_PIXEL / 2 ) & -ONE_PIXEL ) + +#if PIXEL_BITS >= 6 +#define UPSCALE( x ) ( (x) * ( ONE_PIXEL >> 6 ) ) +#define DOWNSCALE( x ) ( (x) >> ( PIXEL_BITS - 6 ) ) +#else +#define UPSCALE( x ) ( (x) >> ( 6 - PIXEL_BITS ) ) +#define DOWNSCALE( x ) ( (x) * ( 64 >> PIXEL_BITS ) ) +#endif + + + /* Compute `dividend / divisor' and return both its quotient and */ + /* remainder, cast to a specific type. This macro also ensures that */ + /* the remainder is always positive. We use the remainder to keep */ + /* track of accumulating errors and compensate for them. */ +#define FT_DIV_MOD( type, dividend, divisor, quotient, remainder ) \ + FT_BEGIN_STMNT \ + (quotient) = (type)( (dividend) / (divisor) ); \ + (remainder) = (type)( (dividend) % (divisor) ); \ + if ( (remainder) < 0 ) \ + { \ + (quotient)--; \ + (remainder) += (type)(divisor); \ + } \ + FT_END_STMNT + +#ifdef __arm__ + /* Work around a bug specific to GCC which make the compiler fail to */ + /* optimize a division and modulo operation on the same parameters */ + /* into a single call to `__aeabi_idivmod'. See */ + /* */ + /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43721 */ +#undef FT_DIV_MOD +#define FT_DIV_MOD( type, dividend, divisor, quotient, remainder ) \ + FT_BEGIN_STMNT \ + (quotient) = (type)( (dividend) / (divisor) ); \ + (remainder) = (type)( (dividend) - (quotient) * (divisor) ); \ + if ( (remainder) < 0 ) \ + { \ + (quotient)--; \ + (remainder) += (type)(divisor); \ + } \ + FT_END_STMNT +#endif /* __arm__ */ + + + /* These macros speed up repetitive divisions by replacing them */ + /* with multiplications and right shifts. */ +#define FT_UDIVPREP( c, b ) \ + long b ## _r = c ? (long)( FT_ULONG_MAX >> PIXEL_BITS ) / ( b ) \ + : 0 +#define FT_UDIV( a, b ) \ + ( ( (unsigned long)( a ) * (unsigned long)( b ## _r ) ) >> \ + ( sizeof( long ) * FT_CHAR_BIT - PIXEL_BITS ) ) + + + /*************************************************************************/ + /* */ + /* TYPE DEFINITIONS */ + /* */ + + /* don't change the following types to FT_Int or FT_Pos, since we might */ + /* need to define them to "float" or "double" when experimenting with */ + /* new algorithms */ + + typedef long TPos; /* sub-pixel coordinate */ + typedef int TCoord; /* integer scanline/pixel coordinate */ + typedef int TArea; /* cell areas, coordinate products */ + + + typedef struct TCell_* PCell; + + typedef struct TCell_ + { + TCoord x; /* same with gray_TWorker.ex */ + TCoord cover; /* same with gray_TWorker.cover */ + TArea area; + PCell next; + + } TCell; + + typedef struct TPixmap_ + { + unsigned char* origin; /* pixmap origin at the bottom-left */ + int pitch; /* pitch to go down one row */ + + } TPixmap; + + /* maximum number of gray cells in the buffer */ +#if FT_RENDER_POOL_SIZE > 2048 +#define FT_MAX_GRAY_POOL ( FT_RENDER_POOL_SIZE / sizeof ( TCell ) ) +#else +#define FT_MAX_GRAY_POOL ( 2048 / sizeof ( TCell ) ) +#endif + + +#if defined( _MSC_VER ) /* Visual C++ (and Intel C++) */ + /* We disable the warning `structure was padded due to */ + /* __declspec(align())' in order to compile cleanly with */ + /* the maximum level of warnings. */ +#pragma warning( push ) +#pragma warning( disable : 4324 ) +#endif /* _MSC_VER */ + + typedef struct gray_TWorker_ + { + ft_jmp_buf jump_buffer; + + TCoord ex, ey; + TCoord min_ex, max_ex; + TCoord min_ey, max_ey; + + TArea area; + TCoord cover; + int invalid; + + PCell* ycells; + PCell cells; + FT_PtrDist max_cells; + FT_PtrDist num_cells; + + TPos x, y; + + FT_Outline outline; + TPixmap target; + + FT_Raster_Span_Func render_span; + void* render_span_data; + + } gray_TWorker, *gray_PWorker; + +#if defined( _MSC_VER ) +#pragma warning( pop ) +#endif + + +#ifndef FT_STATIC_RASTER +#define ras (*worker) +#else + static gray_TWorker ras; +#endif + + + typedef struct gray_TRaster_ + { + void* memory; + + } gray_TRaster, *gray_PRaster; + + +#ifdef FT_DEBUG_LEVEL_TRACE + + /* to be called while in the debugger -- */ + /* this function causes a compiler warning since it is unused otherwise */ + static void + gray_dump_cells( RAS_ARG ) + { + int y; + + + for ( y = ras.min_ey; y < ras.max_ey; y++ ) + { + PCell cell = ras.ycells[y - ras.min_ey]; + + + printf( "%3d:", y ); + + for ( ; cell != NULL; cell = cell->next ) + printf( " (%3d, c:%4d, a:%6d)", + cell->x, cell->cover, cell->area ); + printf( "\n" ); + } + } + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + + /*************************************************************************/ + /* */ + /* Record the current cell in the table. */ + /* */ + static void + gray_record_cell( RAS_ARG ) + { + PCell *pcell, cell; + TCoord x = ras.ex; + + + pcell = &ras.ycells[ras.ey - ras.min_ey]; + for (;;) + { + cell = *pcell; + if ( !cell || cell->x > x ) + break; + + if ( cell->x == x ) + goto Found; + + pcell = &cell->next; + } + + if ( ras.num_cells >= ras.max_cells ) + ft_longjmp( ras.jump_buffer, 1 ); + + /* insert new cell */ + cell = ras.cells + ras.num_cells++; + cell->x = x; + cell->area = ras.area; + cell->cover = ras.cover; + + cell->next = *pcell; + *pcell = cell; + + return; + + Found: + /* update old cell */ + cell->area += ras.area; + cell->cover += ras.cover; + } + + + /*************************************************************************/ + /* */ + /* Set the current cell to a new position. */ + /* */ + static void + gray_set_cell( RAS_ARG_ TCoord ex, + TCoord ey ) + { + /* Move the cell pointer to a new position. We set the `invalid' */ + /* flag to indicate that the cell isn't part of those we're interested */ + /* in during the render phase. This means that: */ + /* */ + /* . the new vertical position must be within min_ey..max_ey-1. */ + /* . the new horizontal position must be strictly less than max_ex */ + /* */ + /* Note that if a cell is to the left of the clipping region, it is */ + /* actually set to the (min_ex-1) horizontal position. */ + + if ( ex < ras.min_ex ) + ex = ras.min_ex - 1; + + /* record the current one if it is valid and substantial */ + if ( !ras.invalid && ( ras.area || ras.cover ) ) + gray_record_cell( RAS_VAR ); + + ras.area = 0; + ras.cover = 0; + ras.ex = ex; + ras.ey = ey; + + ras.invalid = ( ey >= ras.max_ey || ey < ras.min_ey || + ex >= ras.max_ex ); + } + + +#ifndef FT_LONG64 + + /*************************************************************************/ + /* */ + /* Render a scanline as one or more cells. */ + /* */ + static void + gray_render_scanline( RAS_ARG_ TCoord ey, + TPos x1, + TCoord y1, + TPos x2, + TCoord y2 ) + { + TCoord ex1, ex2, fx1, fx2, first, dy, delta, mod; + TPos p, dx; + int incr; + + + ex1 = TRUNC( x1 ); + ex2 = TRUNC( x2 ); + + /* trivial case. Happens often */ + if ( y1 == y2 ) + { + gray_set_cell( RAS_VAR_ ex2, ey ); + return; + } + + fx1 = (TCoord)( x1 - SUBPIXELS( ex1 ) ); + fx2 = (TCoord)( x2 - SUBPIXELS( ex2 ) ); + + /* everything is located in a single cell. That is easy! */ + /* */ + if ( ex1 == ex2 ) + goto End; + + /* ok, we'll have to render a run of adjacent cells on the same */ + /* scanline... */ + /* */ + dx = x2 - x1; + dy = y2 - y1; + + if ( dx > 0 ) + { + p = ( ONE_PIXEL - fx1 ) * dy; + first = ONE_PIXEL; + incr = 1; + } + else + { + p = fx1 * dy; + first = 0; + incr = -1; + dx = -dx; + } + + FT_DIV_MOD( TCoord, p, dx, delta, mod ); + + ras.area += (TArea)( ( fx1 + first ) * delta ); + ras.cover += delta; + y1 += delta; + ex1 += incr; + gray_set_cell( RAS_VAR_ ex1, ey ); + + if ( ex1 != ex2 ) + { + TCoord lift, rem; + + + p = ONE_PIXEL * dy; + FT_DIV_MOD( TCoord, p, dx, lift, rem ); + + do + { + delta = lift; + mod += rem; + if ( mod >= (TCoord)dx ) + { + mod -= (TCoord)dx; + delta++; + } + + ras.area += (TArea)( ONE_PIXEL * delta ); + ras.cover += delta; + y1 += delta; + ex1 += incr; + gray_set_cell( RAS_VAR_ ex1, ey ); + } while ( ex1 != ex2 ); + } + + fx1 = ONE_PIXEL - first; + + End: + dy = y2 - y1; + + ras.area += (TArea)( ( fx1 + fx2 ) * dy ); + ras.cover += dy; + } + + + /*************************************************************************/ + /* */ + /* Render a given line as a series of scanlines. */ + /* */ + static void + gray_render_line( RAS_ARG_ TPos to_x, + TPos to_y ) + { + TCoord ey1, ey2, fy1, fy2, first, delta, mod; + TPos p, dx, dy, x, x2; + int incr; + + + ey1 = TRUNC( ras.y ); + ey2 = TRUNC( to_y ); /* if (ey2 >= ras.max_ey) ey2 = ras.max_ey-1; */ + + /* perform vertical clipping */ + if ( ( ey1 >= ras.max_ey && ey2 >= ras.max_ey ) || + ( ey1 < ras.min_ey && ey2 < ras.min_ey ) ) + goto End; + + fy1 = (TCoord)( ras.y - SUBPIXELS( ey1 ) ); + fy2 = (TCoord)( to_y - SUBPIXELS( ey2 ) ); + + /* everything is on a single scanline */ + if ( ey1 == ey2 ) + { + gray_render_scanline( RAS_VAR_ ey1, ras.x, fy1, to_x, fy2 ); + goto End; + } + + dx = to_x - ras.x; + dy = to_y - ras.y; + + /* vertical line - avoid calling gray_render_scanline */ + if ( dx == 0 ) + { + TCoord ex = TRUNC( ras.x ); + TCoord two_fx = (TCoord)( ( ras.x - SUBPIXELS( ex ) ) << 1 ); + TArea area; + + + if ( dy > 0) + { + first = ONE_PIXEL; + incr = 1; + } + else + { + first = 0; + incr = -1; + } + + delta = first - fy1; + ras.area += (TArea)two_fx * delta; + ras.cover += delta; + ey1 += incr; + + gray_set_cell( RAS_VAR_ ex, ey1 ); + + delta = first + first - ONE_PIXEL; + area = (TArea)two_fx * delta; + while ( ey1 != ey2 ) + { + ras.area += area; + ras.cover += delta; + ey1 += incr; + + gray_set_cell( RAS_VAR_ ex, ey1 ); + } + + delta = fy2 - ONE_PIXEL + first; + ras.area += (TArea)two_fx * delta; + ras.cover += delta; + + goto End; + } + + /* ok, we have to render several scanlines */ + if ( dy > 0) + { + p = ( ONE_PIXEL - fy1 ) * dx; + first = ONE_PIXEL; + incr = 1; + } + else + { + p = fy1 * dx; + first = 0; + incr = -1; + dy = -dy; + } + + FT_DIV_MOD( TCoord, p, dy, delta, mod ); + + x = ras.x + delta; + gray_render_scanline( RAS_VAR_ ey1, ras.x, fy1, x, first ); + + ey1 += incr; + gray_set_cell( RAS_VAR_ TRUNC( x ), ey1 ); + + if ( ey1 != ey2 ) + { + TCoord lift, rem; + + + p = ONE_PIXEL * dx; + FT_DIV_MOD( TCoord, p, dy, lift, rem ); + + do + { + delta = lift; + mod += rem; + if ( mod >= (TCoord)dy ) + { + mod -= (TCoord)dy; + delta++; + } + + x2 = x + delta; + gray_render_scanline( RAS_VAR_ ey1, + x, ONE_PIXEL - first, + x2, first ); + x = x2; + + ey1 += incr; + gray_set_cell( RAS_VAR_ TRUNC( x ), ey1 ); + } while ( ey1 != ey2 ); + } + + gray_render_scanline( RAS_VAR_ ey1, + x, ONE_PIXEL - first, + to_x, fy2 ); + + End: + ras.x = to_x; + ras.y = to_y; + } + +#else + + /*************************************************************************/ + /* */ + /* Render a straight line across multiple cells in any direction. */ + /* */ + static void + gray_render_line( RAS_ARG_ TPos to_x, + TPos to_y ) + { + TPos dx, dy, fx1, fy1, fx2, fy2; + TCoord ex1, ex2, ey1, ey2; + + + ey1 = TRUNC( ras.y ); + ey2 = TRUNC( to_y ); + + /* perform vertical clipping */ + if ( ( ey1 >= ras.max_ey && ey2 >= ras.max_ey ) || + ( ey1 < ras.min_ey && ey2 < ras.min_ey ) ) + goto End; + + ex1 = TRUNC( ras.x ); + ex2 = TRUNC( to_x ); + + fx1 = ras.x - SUBPIXELS( ex1 ); + fy1 = ras.y - SUBPIXELS( ey1 ); + + dx = to_x - ras.x; + dy = to_y - ras.y; + + if ( ex1 == ex2 && ey1 == ey2 ) /* inside one cell */ + ; + else if ( dy == 0 ) /* ex1 != ex2 */ /* any horizontal line */ + { + ex1 = ex2; + gray_set_cell( RAS_VAR_ ex1, ey1 ); + } + else if ( dx == 0 ) + { + if ( dy > 0 ) /* vertical line up */ + do + { + fy2 = ONE_PIXEL; + ras.cover += ( fy2 - fy1 ); + ras.area += ( fy2 - fy1 ) * fx1 * 2; + fy1 = 0; + ey1++; + gray_set_cell( RAS_VAR_ ex1, ey1 ); + } while ( ey1 != ey2 ); + else /* vertical line down */ + do + { + fy2 = 0; + ras.cover += ( fy2 - fy1 ); + ras.area += ( fy2 - fy1 ) * fx1 * 2; + fy1 = ONE_PIXEL; + ey1--; + gray_set_cell( RAS_VAR_ ex1, ey1 ); + } while ( ey1 != ey2 ); + } + else /* any other line */ + { + TPos prod = dx * fy1 - dy * fx1; + FT_UDIVPREP( ex1 != ex2, dx ); + FT_UDIVPREP( ey1 != ey2, dy ); + + + /* The fundamental value `prod' determines which side and the */ + /* exact coordinate where the line exits current cell. It is */ + /* also easily updated when moving from one cell to the next. */ + do + { + if ( prod <= 0 && + prod - dx * ONE_PIXEL > 0 ) /* left */ + { + fx2 = 0; + fy2 = (TPos)FT_UDIV( -prod, -dx ); + prod -= dy * ONE_PIXEL; + ras.cover += ( fy2 - fy1 ); + ras.area += ( fy2 - fy1 ) * ( fx1 + fx2 ); + fx1 = ONE_PIXEL; + fy1 = fy2; + ex1--; + } + else if ( prod - dx * ONE_PIXEL <= 0 && + prod - dx * ONE_PIXEL + dy * ONE_PIXEL > 0 ) /* up */ + { + prod -= dx * ONE_PIXEL; + fx2 = (TPos)FT_UDIV( -prod, dy ); + fy2 = ONE_PIXEL; + ras.cover += ( fy2 - fy1 ); + ras.area += ( fy2 - fy1 ) * ( fx1 + fx2 ); + fx1 = fx2; + fy1 = 0; + ey1++; + } + else if ( prod - dx * ONE_PIXEL + dy * ONE_PIXEL <= 0 && + prod + dy * ONE_PIXEL >= 0 ) /* right */ + { + prod += dy * ONE_PIXEL; + fx2 = ONE_PIXEL; + fy2 = (TPos)FT_UDIV( prod, dx ); + ras.cover += ( fy2 - fy1 ); + ras.area += ( fy2 - fy1 ) * ( fx1 + fx2 ); + fx1 = 0; + fy1 = fy2; + ex1++; + } + else /* ( prod + dy * ONE_PIXEL < 0 && + prod > 0 ) down */ + { + fx2 = (TPos)FT_UDIV( prod, -dy ); + fy2 = 0; + prod += dx * ONE_PIXEL; + ras.cover += ( fy2 - fy1 ); + ras.area += ( fy2 - fy1 ) * ( fx1 + fx2 ); + fx1 = fx2; + fy1 = ONE_PIXEL; + ey1--; + } + + gray_set_cell( RAS_VAR_ ex1, ey1 ); + } while ( ex1 != ex2 || ey1 != ey2 ); + } + + fx2 = to_x - SUBPIXELS( ex2 ); + fy2 = to_y - SUBPIXELS( ey2 ); + + ras.cover += ( fy2 - fy1 ); + ras.area += ( fy2 - fy1 ) * ( fx1 + fx2 ); + + End: + ras.x = to_x; + ras.y = to_y; + } + +#endif + + static void + gray_split_conic( FT_Vector* base ) + { + TPos a, b; + + + base[4].x = base[2].x; + b = base[1].x; + a = base[3].x = ( base[2].x + b ) / 2; + b = base[1].x = ( base[0].x + b ) / 2; + base[2].x = ( a + b ) / 2; + + base[4].y = base[2].y; + b = base[1].y; + a = base[3].y = ( base[2].y + b ) / 2; + b = base[1].y = ( base[0].y + b ) / 2; + base[2].y = ( a + b ) / 2; + } + + + static void + gray_render_conic( RAS_ARG_ const FT_Vector* control, + const FT_Vector* to ) + { + FT_Vector bez_stack[16 * 2 + 1]; /* enough to accommodate bisections */ + FT_Vector* arc = bez_stack; + TPos dx, dy; + int draw, split; + + + arc[0].x = UPSCALE( to->x ); + arc[0].y = UPSCALE( to->y ); + arc[1].x = UPSCALE( control->x ); + arc[1].y = UPSCALE( control->y ); + arc[2].x = ras.x; + arc[2].y = ras.y; + + /* short-cut the arc that crosses the current band */ + if ( ( TRUNC( arc[0].y ) >= ras.max_ey && + TRUNC( arc[1].y ) >= ras.max_ey && + TRUNC( arc[2].y ) >= ras.max_ey ) || + ( TRUNC( arc[0].y ) < ras.min_ey && + TRUNC( arc[1].y ) < ras.min_ey && + TRUNC( arc[2].y ) < ras.min_ey ) ) + { + ras.x = arc[0].x; + ras.y = arc[0].y; + return; + } + + dx = FT_ABS( arc[2].x + arc[0].x - 2 * arc[1].x ); + dy = FT_ABS( arc[2].y + arc[0].y - 2 * arc[1].y ); + if ( dx < dy ) + dx = dy; + + /* We can calculate the number of necessary bisections because */ + /* each bisection predictably reduces deviation exactly 4-fold. */ + /* Even 32-bit deviation would vanish after 16 bisections. */ + draw = 1; + while ( dx > ONE_PIXEL / 4 ) + { + dx >>= 2; + draw <<= 1; + } + + /* We use decrement counter to count the total number of segments */ + /* to draw starting from 2^level. Before each draw we split as */ + /* many times as there are trailing zeros in the counter. */ + do + { + split = 1; + while ( ( draw & split ) == 0 ) + { + gray_split_conic( arc ); + arc += 2; + split <<= 1; + } + + gray_render_line( RAS_VAR_ arc[0].x, arc[0].y ); + arc -= 2; + + } while ( --draw ); + } + + + static void + gray_split_cubic( FT_Vector* base ) + { + TPos a, b, c, d; + + + base[6].x = base[3].x; + c = base[1].x; + d = base[2].x; + base[1].x = a = ( base[0].x + c ) / 2; + base[5].x = b = ( base[3].x + d ) / 2; + c = ( c + d ) / 2; + base[2].x = a = ( a + c ) / 2; + base[4].x = b = ( b + c ) / 2; + base[3].x = ( a + b ) / 2; + + base[6].y = base[3].y; + c = base[1].y; + d = base[2].y; + base[1].y = a = ( base[0].y + c ) / 2; + base[5].y = b = ( base[3].y + d ) / 2; + c = ( c + d ) / 2; + base[2].y = a = ( a + c ) / 2; + base[4].y = b = ( b + c ) / 2; + base[3].y = ( a + b ) / 2; + } + + + static void + gray_render_cubic( RAS_ARG_ const FT_Vector* control1, + const FT_Vector* control2, + const FT_Vector* to ) + { + FT_Vector bez_stack[16 * 3 + 1]; /* enough to accommodate bisections */ + FT_Vector* arc = bez_stack; + TPos dx, dy, dx_, dy_; + TPos dx1, dy1, dx2, dy2; + TPos L, s, s_limit; + + + arc[0].x = UPSCALE( to->x ); + arc[0].y = UPSCALE( to->y ); + arc[1].x = UPSCALE( control2->x ); + arc[1].y = UPSCALE( control2->y ); + arc[2].x = UPSCALE( control1->x ); + arc[2].y = UPSCALE( control1->y ); + arc[3].x = ras.x; + arc[3].y = ras.y; + + /* short-cut the arc that crosses the current band */ + if ( ( TRUNC( arc[0].y ) >= ras.max_ey && + TRUNC( arc[1].y ) >= ras.max_ey && + TRUNC( arc[2].y ) >= ras.max_ey && + TRUNC( arc[3].y ) >= ras.max_ey ) || + ( TRUNC( arc[0].y ) < ras.min_ey && + TRUNC( arc[1].y ) < ras.min_ey && + TRUNC( arc[2].y ) < ras.min_ey && + TRUNC( arc[3].y ) < ras.min_ey ) ) + { + ras.x = arc[0].x; + ras.y = arc[0].y; + return; + } + + for (;;) + { + /* Decide whether to split or draw. See `Rapid Termination */ + /* Evaluation for Recursive Subdivision of Bezier Curves' by Thomas */ + /* F. Hain, at */ + /* http://www.cis.southalabama.edu/~hain/general/Publications/Bezier/Camera-ready%20CISST02%202.pdf */ + + /* dx and dy are x and y components of the P0-P3 chord vector. */ + dx = dx_ = arc[3].x - arc[0].x; + dy = dy_ = arc[3].y - arc[0].y; + + L = FT_HYPOT( dx_, dy_ ); + + /* Avoid possible arithmetic overflow below by splitting. */ + if ( L > 32767 ) + goto Split; + + /* Max deviation may be as much as (s/L) * 3/4 (if Hain's v = 1). */ + s_limit = L * (TPos)( ONE_PIXEL / 6 ); + + /* s is L * the perpendicular distance from P1 to the line P0-P3. */ + dx1 = arc[1].x - arc[0].x; + dy1 = arc[1].y - arc[0].y; + s = FT_ABS( SUB_LONG( MUL_LONG( dy, dx1 ), MUL_LONG( dx, dy1 ) ) ); + + if ( s > s_limit ) + goto Split; + + /* s is L * the perpendicular distance from P2 to the line P0-P3. */ + dx2 = arc[2].x - arc[0].x; + dy2 = arc[2].y - arc[0].y; + s = FT_ABS( SUB_LONG( MUL_LONG( dy, dx2 ), MUL_LONG( dx, dy2 ) ) ); + + if ( s > s_limit ) + goto Split; + + /* Split super curvy segments where the off points are so far + from the chord that the angles P0-P1-P3 or P0-P2-P3 become + acute as detected by appropriate dot products. */ + if ( dx1 * ( dx1 - dx ) + dy1 * ( dy1 - dy ) > 0 || + dx2 * ( dx2 - dx ) + dy2 * ( dy2 - dy ) > 0 ) + goto Split; + + gray_render_line( RAS_VAR_ arc[0].x, arc[0].y ); + + if ( arc == bez_stack ) + return; + + arc -= 3; + continue; + + Split: + gray_split_cubic( arc ); + arc += 3; + } + } + + + static int + gray_move_to( const FT_Vector* to, + gray_PWorker worker ) + { + TPos x, y; + + + /* start to a new position */ + x = UPSCALE( to->x ); + y = UPSCALE( to->y ); + + gray_set_cell( RAS_VAR_ TRUNC( x ), TRUNC( y ) ); + + ras.x = x; + ras.y = y; + return 0; + } + + + static int + gray_line_to( const FT_Vector* to, + gray_PWorker worker ) + { + gray_render_line( RAS_VAR_ UPSCALE( to->x ), UPSCALE( to->y ) ); + return 0; + } + + + static int + gray_conic_to( const FT_Vector* control, + const FT_Vector* to, + gray_PWorker worker ) + { + gray_render_conic( RAS_VAR_ control, to ); + return 0; + } + + + static int + gray_cubic_to( const FT_Vector* control1, + const FT_Vector* control2, + const FT_Vector* to, + gray_PWorker worker ) + { + gray_render_cubic( RAS_VAR_ control1, control2, to ); + return 0; + } + + + static void + gray_hline( RAS_ARG_ TCoord x, + TCoord y, + TArea coverage, + TCoord acount ) + { + /* scale the coverage from 0..(ONE_PIXEL*ONE_PIXEL*2) to 0..256 */ + coverage >>= PIXEL_BITS * 2 + 1 - 8; + if ( coverage < 0 ) + coverage = -coverage - 1; + + /* compute the line's coverage depending on the outline fill rule */ + if ( ras.outline.flags & FT_OUTLINE_EVEN_ODD_FILL ) + { + coverage &= 511; + + if ( coverage >= 256 ) + coverage = 511 - coverage; + } + else + { + /* normal non-zero winding rule */ + if ( coverage >= 256 ) + coverage = 255; + } + + if ( ras.render_span ) /* for FT_RASTER_FLAG_DIRECT only */ + { + FT_Span span; + + + span.x = (short)x; + span.len = (unsigned short)acount; + span.coverage = (unsigned char)coverage; + + ras.render_span( y, 1, &span, ras.render_span_data ); + } + else + { + unsigned char* q = ras.target.origin - ras.target.pitch * y + x; + unsigned char c = (unsigned char)coverage; + + + /* For small-spans it is faster to do it by ourselves than + * calling `memset'. This is mainly due to the cost of the + * function call. + */ + switch ( acount ) + { + case 7: *q++ = c; + case 6: *q++ = c; + case 5: *q++ = c; + case 4: *q++ = c; + case 3: *q++ = c; + case 2: *q++ = c; + case 1: *q = c; + case 0: break; + default: + FT_MEM_SET( q, c, acount ); + } + } + } + + + static void + gray_sweep( RAS_ARG ) + { + int y; + + + for ( y = ras.min_ey; y < ras.max_ey; y++ ) + { + PCell cell = ras.ycells[y - ras.min_ey]; + TCoord x = ras.min_ex; + TArea cover = 0; + TArea area; + + + for ( ; cell != NULL; cell = cell->next ) + { + if ( cover != 0 && cell->x > x ) + gray_hline( RAS_VAR_ x, y, cover, cell->x - x ); + + cover += (TArea)cell->cover * ( ONE_PIXEL * 2 ); + area = cover - cell->area; + + if ( area != 0 && cell->x >= ras.min_ex ) + gray_hline( RAS_VAR_ cell->x, y, area, 1 ); + + x = cell->x + 1; + } + + if ( cover != 0 ) + gray_hline( RAS_VAR_ x, y, cover, ras.max_ex - x ); + } + } + + +#ifdef STANDALONE_ + + /*************************************************************************/ + /* */ + /* The following functions should only compile in stand-alone mode, */ + /* i.e., when building this component without the rest of FreeType. */ + /* */ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Decompose */ + /* */ + /* <Description> */ + /* Walk over an outline's structure to decompose it into individual */ + /* segments and Bézier arcs. This function is also able to emit */ + /* `move to' and `close to' operations to indicate the start and end */ + /* of new contours in the outline. */ + /* */ + /* <Input> */ + /* outline :: A pointer to the source target. */ + /* */ + /* func_interface :: A table of `emitters', i.e., function pointers */ + /* called during decomposition to indicate path */ + /* operations. */ + /* */ + /* <InOut> */ + /* user :: A typeless pointer which is passed to each */ + /* emitter during the decomposition. It can be */ + /* used to store the state during the */ + /* decomposition. */ + /* */ + /* <Return> */ + /* Error code. 0 means success. */ + /* */ + static int + FT_Outline_Decompose( const FT_Outline* outline, + const FT_Outline_Funcs* func_interface, + void* user ) + { +#undef SCALED +#define SCALED( x ) ( ( (x) << shift ) - delta ) + + FT_Vector v_last; + FT_Vector v_control; + FT_Vector v_start; + + FT_Vector* point; + FT_Vector* limit; + char* tags; + + int error; + + int n; /* index of contour in outline */ + int first; /* index of first point in contour */ + char tag; /* current point's state */ + + int shift; + TPos delta; + + + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + if ( !func_interface ) + return FT_THROW( Invalid_Argument ); + + shift = func_interface->shift; + delta = func_interface->delta; + first = 0; + + for ( n = 0; n < outline->n_contours; n++ ) + { + int last; /* index of last point in contour */ + + + FT_TRACE5(( "FT_Outline_Decompose: Outline %d\n", n )); + + last = outline->contours[n]; + if ( last < 0 ) + goto Invalid_Outline; + limit = outline->points + last; + + v_start = outline->points[first]; + v_start.x = SCALED( v_start.x ); + v_start.y = SCALED( v_start.y ); + + v_last = outline->points[last]; + v_last.x = SCALED( v_last.x ); + v_last.y = SCALED( v_last.y ); + + v_control = v_start; + + point = outline->points + first; + tags = outline->tags + first; + tag = FT_CURVE_TAG( tags[0] ); + + /* A contour cannot start with a cubic control point! */ + if ( tag == FT_CURVE_TAG_CUBIC ) + goto Invalid_Outline; + + /* check first point to determine origin */ + if ( tag == FT_CURVE_TAG_CONIC ) + { + /* first point is conic control. Yes, this happens. */ + if ( FT_CURVE_TAG( outline->tags[last] ) == FT_CURVE_TAG_ON ) + { + /* start at last point if it is on the curve */ + v_start = v_last; + limit--; + } + else + { + /* if both first and last points are conic, */ + /* start at their middle and record its position */ + /* for closure */ + v_start.x = ( v_start.x + v_last.x ) / 2; + v_start.y = ( v_start.y + v_last.y ) / 2; + + v_last = v_start; + } + point--; + tags--; + } + + FT_TRACE5(( " move to (%.2f, %.2f)\n", + v_start.x / 64.0, v_start.y / 64.0 )); + error = func_interface->move_to( &v_start, user ); + if ( error ) + goto Exit; + + while ( point < limit ) + { + point++; + tags++; + + tag = FT_CURVE_TAG( tags[0] ); + switch ( tag ) + { + case FT_CURVE_TAG_ON: /* emit a single line_to */ + { + FT_Vector vec; + + + vec.x = SCALED( point->x ); + vec.y = SCALED( point->y ); + + FT_TRACE5(( " line to (%.2f, %.2f)\n", + vec.x / 64.0, vec.y / 64.0 )); + error = func_interface->line_to( &vec, user ); + if ( error ) + goto Exit; + continue; + } + + case FT_CURVE_TAG_CONIC: /* consume conic arcs */ + v_control.x = SCALED( point->x ); + v_control.y = SCALED( point->y ); + + Do_Conic: + if ( point < limit ) + { + FT_Vector vec; + FT_Vector v_middle; + + + point++; + tags++; + tag = FT_CURVE_TAG( tags[0] ); + + vec.x = SCALED( point->x ); + vec.y = SCALED( point->y ); + + if ( tag == FT_CURVE_TAG_ON ) + { + FT_TRACE5(( " conic to (%.2f, %.2f)" + " with control (%.2f, %.2f)\n", + vec.x / 64.0, vec.y / 64.0, + v_control.x / 64.0, v_control.y / 64.0 )); + error = func_interface->conic_to( &v_control, &vec, user ); + if ( error ) + goto Exit; + continue; + } + + if ( tag != FT_CURVE_TAG_CONIC ) + goto Invalid_Outline; + + v_middle.x = ( v_control.x + vec.x ) / 2; + v_middle.y = ( v_control.y + vec.y ) / 2; + + FT_TRACE5(( " conic to (%.2f, %.2f)" + " with control (%.2f, %.2f)\n", + v_middle.x / 64.0, v_middle.y / 64.0, + v_control.x / 64.0, v_control.y / 64.0 )); + error = func_interface->conic_to( &v_control, &v_middle, user ); + if ( error ) + goto Exit; + + v_control = vec; + goto Do_Conic; + } + + FT_TRACE5(( " conic to (%.2f, %.2f)" + " with control (%.2f, %.2f)\n", + v_start.x / 64.0, v_start.y / 64.0, + v_control.x / 64.0, v_control.y / 64.0 )); + error = func_interface->conic_to( &v_control, &v_start, user ); + goto Close; + + default: /* FT_CURVE_TAG_CUBIC */ + { + FT_Vector vec1, vec2; + + + if ( point + 1 > limit || + FT_CURVE_TAG( tags[1] ) != FT_CURVE_TAG_CUBIC ) + goto Invalid_Outline; + + point += 2; + tags += 2; + + vec1.x = SCALED( point[-2].x ); + vec1.y = SCALED( point[-2].y ); + + vec2.x = SCALED( point[-1].x ); + vec2.y = SCALED( point[-1].y ); + + if ( point <= limit ) + { + FT_Vector vec; + + + vec.x = SCALED( point->x ); + vec.y = SCALED( point->y ); + + FT_TRACE5(( " cubic to (%.2f, %.2f)" + " with controls (%.2f, %.2f) and (%.2f, %.2f)\n", + vec.x / 64.0, vec.y / 64.0, + vec1.x / 64.0, vec1.y / 64.0, + vec2.x / 64.0, vec2.y / 64.0 )); + error = func_interface->cubic_to( &vec1, &vec2, &vec, user ); + if ( error ) + goto Exit; + continue; + } + + FT_TRACE5(( " cubic to (%.2f, %.2f)" + " with controls (%.2f, %.2f) and (%.2f, %.2f)\n", + v_start.x / 64.0, v_start.y / 64.0, + vec1.x / 64.0, vec1.y / 64.0, + vec2.x / 64.0, vec2.y / 64.0 )); + error = func_interface->cubic_to( &vec1, &vec2, &v_start, user ); + goto Close; + } + } + } + + /* close the contour with a line segment */ + FT_TRACE5(( " line to (%.2f, %.2f)\n", + v_start.x / 64.0, v_start.y / 64.0 )); + error = func_interface->line_to( &v_start, user ); + + Close: + if ( error ) + goto Exit; + + first = last + 1; + } + + FT_TRACE5(( "FT_Outline_Decompose: Done\n", n )); + return 0; + + Exit: + FT_TRACE5(( "FT_Outline_Decompose: Error 0x%x\n", error )); + return error; + + Invalid_Outline: + return FT_THROW( Invalid_Outline ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FT_Outline_Get_CBox */ + /* */ + /* <Description> */ + /* Return an outline's `control box'. The control box encloses all */ + /* the outline's points, including Bézier control points. Though it */ + /* coincides with the exact bounding box for most glyphs, it can be */ + /* slightly larger in some situations (like when rotating an outline */ + /* that contains Bézier outside arcs). */ + /* */ + /* Computing the control box is very fast, while getting the bounding */ + /* box can take much more time as it needs to walk over all segments */ + /* and arcs in the outline. To get the latter, you can use the */ + /* `ftbbox' component, which is dedicated to this single task. */ + /* */ + /* <Input> */ + /* outline :: A pointer to the source outline descriptor. */ + /* */ + /* <Output> */ + /* acbox :: The outline's control box. */ + /* */ + /* <Note> */ + /* See @FT_Glyph_Get_CBox for a discussion of tricky fonts. */ + /* */ + + static void + FT_Outline_Get_CBox( const FT_Outline* outline, + FT_BBox *acbox ) + { + TPos xMin, yMin, xMax, yMax; + + + if ( outline && acbox ) + { + if ( outline->n_points == 0 ) + { + xMin = 0; + yMin = 0; + xMax = 0; + yMax = 0; + } + else + { + FT_Vector* vec = outline->points; + FT_Vector* limit = vec + outline->n_points; + + + xMin = xMax = vec->x; + yMin = yMax = vec->y; + vec++; + + for ( ; vec < limit; vec++ ) + { + TPos x, y; + + + x = vec->x; + if ( x < xMin ) xMin = x; + if ( x > xMax ) xMax = x; + + y = vec->y; + if ( y < yMin ) yMin = y; + if ( y > yMax ) yMax = y; + } + } + acbox->xMin = xMin; + acbox->xMax = xMax; + acbox->yMin = yMin; + acbox->yMax = yMax; + } + } + +#endif /* STANDALONE_ */ + + + FT_DEFINE_OUTLINE_FUNCS( + func_interface, + + (FT_Outline_MoveTo_Func) gray_move_to, /* move_to */ + (FT_Outline_LineTo_Func) gray_line_to, /* line_to */ + (FT_Outline_ConicTo_Func)gray_conic_to, /* conic_to */ + (FT_Outline_CubicTo_Func)gray_cubic_to, /* cubic_to */ + + 0, /* shift */ + 0 /* delta */ + ) + + + static int + gray_convert_glyph_inner( RAS_ARG ) + { + + volatile int error = 0; + +#ifdef FT_CONFIG_OPTION_PIC + FT_Outline_Funcs func_interface; + Init_Class_func_interface(&func_interface); +#endif + + if ( ft_setjmp( ras.jump_buffer ) == 0 ) + { + error = FT_Outline_Decompose( &ras.outline, &func_interface, &ras ); + if ( !ras.invalid ) + gray_record_cell( RAS_VAR ); + + FT_TRACE7(( "band [%d..%d]: %d cell%s\n", + ras.min_ey, + ras.max_ey, + ras.num_cells, + ras.num_cells == 1 ? "" : "s" )); + } + else + { + error = FT_THROW( Memory_Overflow ); + + FT_TRACE7(( "band [%d..%d]: to be bisected\n", + ras.min_ey, ras.max_ey )); + } + + return error; + } + + + static int + gray_convert_glyph( RAS_ARG ) + { + const TCoord yMin = ras.min_ey; + const TCoord yMax = ras.max_ey; + const TCoord xMin = ras.min_ex; + const TCoord xMax = ras.max_ex; + + TCell buffer[FT_MAX_GRAY_POOL]; + size_t height = (size_t)( yMax - yMin ); + size_t n = FT_MAX_GRAY_POOL / 8; + TCoord y; + TCoord bands[32]; /* enough to accommodate bisections */ + TCoord* band; + + + /* set up vertical bands */ + if ( height > n ) + { + /* two divisions rounded up */ + n = ( height + n - 1 ) / n; + height = ( height + n - 1 ) / n; + } + + /* memory management */ + n = ( height * sizeof ( PCell ) + sizeof ( TCell ) - 1 ) / sizeof ( TCell ); + + ras.cells = buffer + n; + ras.max_cells = (FT_PtrDist)( FT_MAX_GRAY_POOL - n ); + ras.ycells = (PCell*)buffer; + + for ( y = yMin; y < yMax; ) + { + ras.min_ey = y; + y += height; + ras.max_ey = FT_MIN( y, yMax ); + + band = bands; + band[1] = xMin; + band[0] = xMax; + + do + { + TCoord width = band[0] - band[1]; + int error; + + + FT_MEM_ZERO( ras.ycells, height * sizeof ( PCell ) ); + + ras.num_cells = 0; + ras.invalid = 1; + ras.min_ex = band[1]; + ras.max_ex = band[0]; + + error = gray_convert_glyph_inner( RAS_VAR ); + + if ( !error ) + { + gray_sweep( RAS_VAR ); + band--; + continue; + } + else if ( error != ErrRaster_Memory_Overflow ) + return 1; + + /* render pool overflow; we will reduce the render band by half */ + width >>= 1; + + /* this should never happen even with tiny rendering pool */ + if ( width == 0 ) + { + FT_TRACE7(( "gray_convert_glyph: rotten glyph\n" )); + return 1; + } + + band++; + band[1] = band[0]; + band[0] += width; + } while ( band >= bands ); + } + + return 0; + } + + + static int + gray_raster_render( FT_Raster raster, + const FT_Raster_Params* params ) + { + const FT_Outline* outline = (const FT_Outline*)params->source; + const FT_Bitmap* target_map = params->target; + FT_BBox cbox, clip; + +#ifndef FT_STATIC_RASTER + gray_TWorker worker[1]; +#endif + + + if ( !raster ) + return FT_THROW( Invalid_Argument ); + + /* this version does not support monochrome rendering */ + if ( !( params->flags & FT_RASTER_FLAG_AA ) ) + return FT_THROW( Invalid_Mode ); + + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + /* return immediately if the outline is empty */ + if ( outline->n_points == 0 || outline->n_contours <= 0 ) + return 0; + + if ( !outline->contours || !outline->points ) + return FT_THROW( Invalid_Outline ); + + if ( outline->n_points != + outline->contours[outline->n_contours - 1] + 1 ) + return FT_THROW( Invalid_Outline ); + + ras.outline = *outline; + + if ( params->flags & FT_RASTER_FLAG_DIRECT ) + { + if ( !params->gray_spans ) + return 0; + + ras.render_span = (FT_Raster_Span_Func)params->gray_spans; + ras.render_span_data = params->user; + } + else + { + /* if direct mode is not set, we must have a target bitmap */ + if ( !target_map ) + return FT_THROW( Invalid_Argument ); + + /* nothing to do */ + if ( !target_map->width || !target_map->rows ) + return 0; + + if ( !target_map->buffer ) + return FT_THROW( Invalid_Argument ); + + if ( target_map->pitch < 0 ) + ras.target.origin = target_map->buffer; + else + ras.target.origin = target_map->buffer + + ( target_map->rows - 1 ) * (unsigned int)target_map->pitch; + + ras.target.pitch = target_map->pitch; + + ras.render_span = (FT_Raster_Span_Func)NULL; + ras.render_span_data = NULL; + } + + FT_Outline_Get_CBox( outline, &cbox ); + + /* reject too large outline coordinates */ + if ( cbox.xMin < -0x1000000L || cbox.xMax > 0x1000000L || + cbox.yMin < -0x1000000L || cbox.yMax > 0x1000000L ) + return FT_THROW( Invalid_Outline ); + + /* truncate the bounding box to integer pixels */ + cbox.xMin = cbox.xMin >> 6; + cbox.yMin = cbox.yMin >> 6; + cbox.xMax = ( cbox.xMax + 63 ) >> 6; + cbox.yMax = ( cbox.yMax + 63 ) >> 6; + + /* compute clipping box */ + if ( !( params->flags & FT_RASTER_FLAG_DIRECT ) ) + { + /* compute clip box from target pixmap */ + clip.xMin = 0; + clip.yMin = 0; + clip.xMax = (FT_Pos)target_map->width; + clip.yMax = (FT_Pos)target_map->rows; + } + else if ( params->flags & FT_RASTER_FLAG_CLIP ) + clip = params->clip_box; + else + { + clip.xMin = -32768L; + clip.yMin = -32768L; + clip.xMax = 32767L; + clip.yMax = 32767L; + } + + /* clip to target bitmap, exit if nothing to do */ + ras.min_ex = FT_MAX( cbox.xMin, clip.xMin ); + ras.min_ey = FT_MAX( cbox.yMin, clip.yMin ); + ras.max_ex = FT_MIN( cbox.xMax, clip.xMax ); + ras.max_ey = FT_MIN( cbox.yMax, clip.yMax ); + + if ( ras.max_ex <= ras.min_ex || ras.max_ey <= ras.min_ey ) + return 0; + + return gray_convert_glyph( RAS_VAR ); + } + + + /**** RASTER OBJECT CREATION: In stand-alone mode, we simply use *****/ + /**** a static object. *****/ + +#ifdef STANDALONE_ + + static int + gray_raster_new( void* memory, + FT_Raster* araster ) + { + static gray_TRaster the_raster; + + FT_UNUSED( memory ); + + + *araster = (FT_Raster)&the_raster; + FT_ZERO( &the_raster ); + + return 0; + } + + + static void + gray_raster_done( FT_Raster raster ) + { + /* nothing */ + FT_UNUSED( raster ); + } + +#else /* !STANDALONE_ */ + + static int + gray_raster_new( FT_Memory memory, + FT_Raster* araster ) + { + FT_Error error; + gray_PRaster raster = NULL; + + + *araster = 0; + if ( !FT_ALLOC( raster, sizeof ( gray_TRaster ) ) ) + { + raster->memory = memory; + *araster = (FT_Raster)raster; + } + + return error; + } + + + static void + gray_raster_done( FT_Raster raster ) + { + FT_Memory memory = (FT_Memory)((gray_PRaster)raster)->memory; + + + FT_FREE( raster ); + } + +#endif /* !STANDALONE_ */ + + + static void + gray_raster_reset( FT_Raster raster, + unsigned char* pool_base, + unsigned long pool_size ) + { + FT_UNUSED( raster ); + FT_UNUSED( pool_base ); + FT_UNUSED( pool_size ); + } + + + static int + gray_raster_set_mode( FT_Raster raster, + unsigned long mode, + void* args ) + { + FT_UNUSED( raster ); + FT_UNUSED( mode ); + FT_UNUSED( args ); + + + return 0; /* nothing to do */ + } + + + FT_DEFINE_RASTER_FUNCS( + ft_grays_raster, + + FT_GLYPH_FORMAT_OUTLINE, + + (FT_Raster_New_Func) gray_raster_new, /* raster_new */ + (FT_Raster_Reset_Func) gray_raster_reset, /* raster_reset */ + (FT_Raster_Set_Mode_Func)gray_raster_set_mode, /* raster_set_mode */ + (FT_Raster_Render_Func) gray_raster_render, /* raster_render */ + (FT_Raster_Done_Func) gray_raster_done /* raster_done */ + ) + + +/* END */ + + +/* Local Variables: */ +/* coding: utf-8 */ +/* End: */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftgrays.h b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftgrays.h new file mode 100644 index 00000000000..9e11ca675ef --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftgrays.h @@ -0,0 +1,58 @@ +/***************************************************************************/ +/* */ +/* ftgrays.h */ +/* */ +/* FreeType smooth renderer declaration */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTGRAYS_H_ +#define FTGRAYS_H_ + +#ifdef __cplusplus + extern "C" { +#endif + + +#ifdef STANDALONE_ +#include "ftimage.h" +#else +#include <ft2build.h> +#include FT_CONFIG_CONFIG_H /* for FT_CONFIG_OPTION_PIC */ +#include FT_IMAGE_H +#endif + + + /*************************************************************************/ + /* */ + /* To make ftgrays.h independent from configuration files we check */ + /* whether FT_EXPORT_VAR has been defined already. */ + /* */ + /* On some systems and compilers (Win32 mostly), an extra keyword is */ + /* necessary to compile the library as a DLL. */ + /* */ +#ifndef FT_EXPORT_VAR +#define FT_EXPORT_VAR( x ) extern x +#endif + + FT_EXPORT_VAR( const FT_Raster_Funcs ) ft_grays_raster; + + +#ifdef __cplusplus + } +#endif + +#endif /* FTGRAYS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftsmerrs.h b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftsmerrs.h new file mode 100644 index 00000000000..226dc1b0017 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftsmerrs.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* ftsmerrs.h */ +/* */ +/* smooth renderer error codes (specification only). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the smooth renderer error enumeration */ + /* constants. */ + /* */ + /*************************************************************************/ + +#ifndef FTSMERRS_H_ +#define FTSMERRS_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX Smooth_Err_ +#define FT_ERR_BASE FT_Mod_Err_Smooth + +#include FT_ERRORS_H + +#endif /* FTSMERRS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftsmooth.c b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftsmooth.c new file mode 100644 index 00000000000..ef176bdf1ec --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftsmooth.c @@ -0,0 +1,464 @@ +/***************************************************************************/ +/* */ +/* ftsmooth.c */ +/* */ +/* Anti-aliasing renderer interface (body). */ +/* */ +/* Copyright 2000-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_OUTLINE_H +#include "ftsmooth.h" +#include "ftgrays.h" +#include "ftspic.h" + +#include "ftsmerrs.h" + + + /* initialize renderer -- init its raster */ + static FT_Error + ft_smooth_init( FT_Renderer render ) + { + render->clazz->raster_class->raster_reset( render->raster, NULL, 0 ); + + return 0; + } + + + /* sets render-specific mode */ + static FT_Error + ft_smooth_set_mode( FT_Renderer render, + FT_ULong mode_tag, + FT_Pointer data ) + { + /* we simply pass it to the raster */ + return render->clazz->raster_class->raster_set_mode( render->raster, + mode_tag, + data ); + } + + /* transform a given glyph image */ + static FT_Error + ft_smooth_transform( FT_Renderer render, + FT_GlyphSlot slot, + const FT_Matrix* matrix, + const FT_Vector* delta ) + { + FT_Error error = FT_Err_Ok; + + + if ( slot->format != render->glyph_format ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + if ( matrix ) + FT_Outline_Transform( &slot->outline, matrix ); + + if ( delta ) + FT_Outline_Translate( &slot->outline, delta->x, delta->y ); + + Exit: + return error; + } + + + /* return the glyph's control box */ + static void + ft_smooth_get_cbox( FT_Renderer render, + FT_GlyphSlot slot, + FT_BBox* cbox ) + { + FT_ZERO( cbox ); + + if ( slot->format == render->glyph_format ) + FT_Outline_Get_CBox( &slot->outline, cbox ); + } + + + /* convert a slot's glyph image into a bitmap */ + static FT_Error + ft_smooth_render_generic( FT_Renderer render, + FT_GlyphSlot slot, + FT_Render_Mode mode, + const FT_Vector* origin, + FT_Render_Mode required_mode ) + { + FT_Error error = FT_Err_Ok; + FT_Outline* outline = &slot->outline; + FT_Bitmap* bitmap = &slot->bitmap; + FT_Memory memory = render->root.memory; + FT_Pos x_shift = 0; + FT_Pos y_shift = 0; + FT_Int hmul = ( mode == FT_RENDER_MODE_LCD ); + FT_Int vmul = ( mode == FT_RENDER_MODE_LCD_V ); + + FT_Raster_Params params; + + + /* check glyph image format */ + if ( slot->format != render->glyph_format ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + /* check mode */ + if ( mode != required_mode ) + { + error = FT_THROW( Cannot_Render_Glyph ); + goto Exit; + } + + /* release old bitmap buffer */ + if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) + { + FT_FREE( bitmap->buffer ); + slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; + } + + ft_glyphslot_preset_bitmap( slot, mode, origin ); + + /* allocate new one */ + if ( FT_ALLOC_MULT( bitmap->buffer, bitmap->rows, bitmap->pitch ) ) + goto Exit; + + slot->internal->flags |= FT_GLYPH_OWN_BITMAP; + + x_shift = 64 * -slot->bitmap_left; + y_shift = 64 * -slot->bitmap_top; + if ( bitmap->pixel_mode == FT_PIXEL_MODE_LCD_V ) + y_shift += 64 * (FT_Int)bitmap->rows / 3; + else + y_shift += 64 * (FT_Int)bitmap->rows; + + if ( origin ) + { + x_shift += origin->x; + y_shift += origin->y; + } + + /* translate outline to render it into the bitmap */ + if ( x_shift || y_shift ) + FT_Outline_Translate( outline, x_shift, y_shift ); + + /* set up parameters */ + params.target = bitmap; + params.source = outline; + params.flags = FT_RASTER_FLAG_AA; + +#ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING + + /* implode outline if needed */ + { + FT_Vector* points = outline->points; + FT_Vector* points_end = points + outline->n_points; + FT_Vector* vec; + + + if ( hmul ) + for ( vec = points; vec < points_end; vec++ ) + vec->x *= 3; + + if ( vmul ) + for ( vec = points; vec < points_end; vec++ ) + vec->y *= 3; + } + + /* render outline into the bitmap */ + error = render->raster_render( render->raster, ¶ms ); + + /* deflate outline if needed */ + { + FT_Vector* points = outline->points; + FT_Vector* points_end = points + outline->n_points; + FT_Vector* vec; + + + if ( hmul ) + for ( vec = points; vec < points_end; vec++ ) + vec->x /= 3; + + if ( vmul ) + for ( vec = points; vec < points_end; vec++ ) + vec->y /= 3; + } + + if ( error ) + goto Exit; + + /* finally apply filtering */ + if ( hmul || vmul ) + { + FT_Byte* lcd_weights; + FT_Bitmap_LcdFilterFunc lcd_filter_func; + + + /* Per-face LCD filtering takes priority if set up. */ + if ( slot->face && slot->face->internal->lcd_filter_func ) + { + lcd_weights = slot->face->internal->lcd_weights; + lcd_filter_func = slot->face->internal->lcd_filter_func; + } + else + { + lcd_weights = slot->library->lcd_weights; + lcd_filter_func = slot->library->lcd_filter_func; + } + + if ( lcd_filter_func ) + lcd_filter_func( bitmap, mode, lcd_weights ); + } + +#else /* !FT_CONFIG_OPTION_SUBPIXEL_RENDERING */ + + if ( hmul ) /* lcd */ + { + FT_Byte* line; + FT_Byte* temp = NULL; + FT_UInt i, j; + + unsigned int height = bitmap->rows; + unsigned int width = bitmap->width; + int pitch = bitmap->pitch; + + + /* Render 3 separate monochrome bitmaps, shifting the outline */ + /* by 1/3 pixel. */ + width /= 3; + + bitmap->buffer += width; + + error = render->raster_render( render->raster, ¶ms ); + if ( error ) + goto Exit; + + FT_Outline_Translate( outline, -21, 0 ); + x_shift -= 21; + bitmap->buffer += width; + + error = render->raster_render( render->raster, ¶ms ); + if ( error ) + goto Exit; + + FT_Outline_Translate( outline, 42, 0 ); + x_shift += 42; + bitmap->buffer -= 2 * width; + + error = render->raster_render( render->raster, ¶ms ); + if ( error ) + goto Exit; + + /* XXX: Rearrange the bytes according to FT_PIXEL_MODE_LCD. */ + /* XXX: It is more efficient to render every third byte above. */ + + if ( FT_ALLOC( temp, (FT_ULong)pitch ) ) + goto Exit; + + for ( i = 0; i < height; i++ ) + { + line = bitmap->buffer + i * (FT_ULong)pitch; + for ( j = 0; j < width; j++ ) + { + temp[3 * j ] = line[j]; + temp[3 * j + 1] = line[j + width]; + temp[3 * j + 2] = line[j + width + width]; + } + FT_MEM_COPY( line, temp, pitch ); + } + + FT_FREE( temp ); + } + else if ( vmul ) /* lcd_v */ + { + int pitch = bitmap->pitch; + + + /* Render 3 separate monochrome bitmaps, shifting the outline */ + /* by 1/3 pixel. Triple the pitch to render on each third row. */ + bitmap->pitch *= 3; + bitmap->rows /= 3; + + bitmap->buffer += pitch; + + error = render->raster_render( render->raster, ¶ms ); + if ( error ) + goto Exit; + + FT_Outline_Translate( outline, 0, 21 ); + y_shift += 21; + bitmap->buffer += pitch; + + error = render->raster_render( render->raster, ¶ms ); + if ( error ) + goto Exit; + + FT_Outline_Translate( outline, 0, -42 ); + y_shift -= 42; + bitmap->buffer -= 2 * pitch; + + error = render->raster_render( render->raster, ¶ms ); + if ( error ) + goto Exit; + + bitmap->pitch /= 3; + bitmap->rows *= 3; + } + else /* grayscale */ + error = render->raster_render( render->raster, ¶ms ); + +#endif /* !FT_CONFIG_OPTION_SUBPIXEL_RENDERING */ + + Exit: + if ( !error ) + { + /* everything is fine; the glyph is now officially a bitmap */ + slot->format = FT_GLYPH_FORMAT_BITMAP; + } + else if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) + { + FT_FREE( bitmap->buffer ); + slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; + } + + if ( x_shift || y_shift ) + FT_Outline_Translate( outline, -x_shift, -y_shift ); + + return error; + } + + + /* convert a slot's glyph image into a bitmap */ + static FT_Error + ft_smooth_render( FT_Renderer render, + FT_GlyphSlot slot, + FT_Render_Mode mode, + const FT_Vector* origin ) + { + if ( mode == FT_RENDER_MODE_LIGHT ) + mode = FT_RENDER_MODE_NORMAL; + + return ft_smooth_render_generic( render, slot, mode, origin, + FT_RENDER_MODE_NORMAL ); + } + + + /* convert a slot's glyph image into a horizontal LCD bitmap */ + static FT_Error + ft_smooth_render_lcd( FT_Renderer render, + FT_GlyphSlot slot, + FT_Render_Mode mode, + const FT_Vector* origin ) + { + return ft_smooth_render_generic( render, slot, mode, origin, + FT_RENDER_MODE_LCD ); + } + + + /* convert a slot's glyph image into a vertical LCD bitmap */ + static FT_Error + ft_smooth_render_lcd_v( FT_Renderer render, + FT_GlyphSlot slot, + FT_Render_Mode mode, + const FT_Vector* origin ) + { + return ft_smooth_render_generic( render, slot, mode, origin, + FT_RENDER_MODE_LCD_V ); + } + + + FT_DEFINE_RENDERER( + ft_smooth_renderer_class, + + FT_MODULE_RENDERER, + sizeof ( FT_RendererRec ), + + "smooth", + 0x10000L, + 0x20000L, + + NULL, /* module specific interface */ + + (FT_Module_Constructor)ft_smooth_init, /* module_init */ + (FT_Module_Destructor) NULL, /* module_done */ + (FT_Module_Requester) NULL, /* get_interface */ + + FT_GLYPH_FORMAT_OUTLINE, + + (FT_Renderer_RenderFunc) ft_smooth_render, /* render_glyph */ + (FT_Renderer_TransformFunc)ft_smooth_transform, /* transform_glyph */ + (FT_Renderer_GetCBoxFunc) ft_smooth_get_cbox, /* get_glyph_cbox */ + (FT_Renderer_SetModeFunc) ft_smooth_set_mode, /* set_mode */ + + (FT_Raster_Funcs*)&FT_GRAYS_RASTER_GET /* raster_class */ + ) + + + FT_DEFINE_RENDERER( + ft_smooth_lcd_renderer_class, + + FT_MODULE_RENDERER, + sizeof ( FT_RendererRec ), + + "smooth-lcd", + 0x10000L, + 0x20000L, + + NULL, /* module specific interface */ + + (FT_Module_Constructor)ft_smooth_init, /* module_init */ + (FT_Module_Destructor) NULL, /* module_done */ + (FT_Module_Requester) NULL, /* get_interface */ + + FT_GLYPH_FORMAT_OUTLINE, + + (FT_Renderer_RenderFunc) ft_smooth_render_lcd, /* render_glyph */ + (FT_Renderer_TransformFunc)ft_smooth_transform, /* transform_glyph */ + (FT_Renderer_GetCBoxFunc) ft_smooth_get_cbox, /* get_glyph_cbox */ + (FT_Renderer_SetModeFunc) ft_smooth_set_mode, /* set_mode */ + + (FT_Raster_Funcs*)&FT_GRAYS_RASTER_GET /* raster_class */ + ) + + + FT_DEFINE_RENDERER( + ft_smooth_lcdv_renderer_class, + + FT_MODULE_RENDERER, + sizeof ( FT_RendererRec ), + + "smooth-lcdv", + 0x10000L, + 0x20000L, + + NULL, /* module specific interface */ + + (FT_Module_Constructor)ft_smooth_init, /* module_init */ + (FT_Module_Destructor) NULL, /* module_done */ + (FT_Module_Requester) NULL, /* get_interface */ + + FT_GLYPH_FORMAT_OUTLINE, + + (FT_Renderer_RenderFunc) ft_smooth_render_lcd_v, /* render_glyph */ + (FT_Renderer_TransformFunc)ft_smooth_transform, /* transform_glyph */ + (FT_Renderer_GetCBoxFunc) ft_smooth_get_cbox, /* get_glyph_cbox */ + (FT_Renderer_SetModeFunc) ft_smooth_set_mode, /* set_mode */ + + (FT_Raster_Funcs*)&FT_GRAYS_RASTER_GET /* raster_class */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftsmooth.h b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftsmooth.h new file mode 100644 index 00000000000..c76ffc5034e --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftsmooth.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* ftsmooth.h */ +/* */ +/* Anti-aliasing renderer interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTSMOOTH_H_ +#define FTSMOOTH_H_ + + +#include <ft2build.h> +#include FT_RENDER_H + + +FT_BEGIN_HEADER + + + FT_DECLARE_RENDERER( ft_smooth_renderer_class ) + + FT_DECLARE_RENDERER( ft_smooth_lcd_renderer_class ) + + FT_DECLARE_RENDERER( ft_smooth_lcdv_renderer_class ) + + +FT_END_HEADER + +#endif /* FTSMOOTH_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftspic.c b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftspic.c new file mode 100644 index 00000000000..10f04cf4ccf --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftspic.c @@ -0,0 +1,118 @@ +/***************************************************************************/ +/* */ +/* ftspic.c */ +/* */ +/* The FreeType position independent code services for smooth module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "ftspic.h" +#include "ftsmerrs.h" + + +#ifdef FT_CONFIG_OPTION_PIC + + /* forward declaration of PIC init functions from ftgrays.c */ + void + FT_Init_Class_ft_grays_raster( FT_Raster_Funcs* funcs ); + + + void + ft_smooth_renderer_class_pic_free( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Memory memory = library->memory; + + + if ( pic_container->smooth ) + { + SmoothPIC* container = (SmoothPIC*)pic_container->smooth; + + + if ( --container->ref_count ) + return; + + FT_FREE( container ); + pic_container->smooth = NULL; + } + } + + + FT_Error + ft_smooth_renderer_class_pic_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Error error = FT_Err_Ok; + SmoothPIC* container = NULL; + FT_Memory memory = library->memory; + + + /* since this function also serve smooth_lcd and smooth_lcdv renderers, + it implements reference counting */ + if ( pic_container->smooth ) + { + ((SmoothPIC*)pic_container->smooth)->ref_count++; + return error; + } + + /* allocate pointer, clear and set global container pointer */ + if ( FT_ALLOC( container, sizeof ( *container ) ) ) + return error; + FT_MEM_SET( container, 0, sizeof ( *container ) ); + pic_container->smooth = container; + + container->ref_count = 1; + + /* initialize pointer table - */ + /* this is how the module usually expects this data */ + FT_Init_Class_ft_grays_raster( &container->ft_grays_raster ); + + return error; + } + + + /* re-route these init and free functions to the above functions */ + FT_Error + ft_smooth_lcd_renderer_class_pic_init( FT_Library library ) + { + return ft_smooth_renderer_class_pic_init( library ); + } + + + void + ft_smooth_lcd_renderer_class_pic_free( FT_Library library ) + { + ft_smooth_renderer_class_pic_free( library ); + } + + + FT_Error + ft_smooth_lcdv_renderer_class_pic_init( FT_Library library ) + { + return ft_smooth_renderer_class_pic_init( library ); + } + + + void + ft_smooth_lcdv_renderer_class_pic_free( FT_Library library ) + { + ft_smooth_renderer_class_pic_free( library ); + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftspic.h b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftspic.h new file mode 100644 index 00000000000..80fb64cff43 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/smooth/ftspic.h @@ -0,0 +1,75 @@ +/***************************************************************************/ +/* */ +/* ftspic.h */ +/* */ +/* The FreeType position independent code services for smooth module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef FTSPIC_H_ +#define FTSPIC_H_ + + +#include FT_INTERNAL_PIC_H + + +FT_BEGIN_HEADER + +#ifndef FT_CONFIG_OPTION_PIC + +#define FT_GRAYS_RASTER_GET ft_grays_raster + +#else /* FT_CONFIG_OPTION_PIC */ + + typedef struct SmoothPIC_ + { + int ref_count; + FT_Raster_Funcs ft_grays_raster; + + } SmoothPIC; + + +#define GET_PIC( lib ) \ + ( (SmoothPIC*)( (lib)->pic_container.smooth ) ) +#define FT_GRAYS_RASTER_GET ( GET_PIC( library )->ft_grays_raster ) + + + /* see ftspic.c for the implementation */ + void + ft_smooth_renderer_class_pic_free( FT_Library library ); + + void + ft_smooth_lcd_renderer_class_pic_free( FT_Library library ); + + void + ft_smooth_lcdv_renderer_class_pic_free( FT_Library library ); + + FT_Error + ft_smooth_renderer_class_pic_init( FT_Library library ); + + FT_Error + ft_smooth_lcd_renderer_class_pic_init( FT_Library library ); + + FT_Error + ft_smooth_lcdv_renderer_class_pic_init( FT_Library library ); + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +FT_END_HEADER + +#endif /* FTSPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttdriver.c b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttdriver.c new file mode 100644 index 00000000000..820cafbb8d8 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttdriver.c @@ -0,0 +1,666 @@ +/***************************************************************************/ +/* */ +/* ttdriver.c */ +/* */ +/* TrueType font driver implementation (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_SFNT_H +#include FT_SERVICE_FONT_FORMAT_H + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include FT_MULTIPLE_MASTERS_H +#include FT_SERVICE_MULTIPLE_MASTERS_H +#include FT_SERVICE_METRICS_VARIATIONS_H +#endif + +#include FT_SERVICE_TRUETYPE_ENGINE_H +#include FT_SERVICE_TRUETYPE_GLYF_H +#include FT_SERVICE_PROPERTIES_H +#include FT_DRIVER_H + +#include "ttdriver.h" +#include "ttgload.h" +#include "ttpload.h" + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include "ttgxvar.h" +#endif + +#include "tterrors.h" + +#include "ttpic.h" + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttdriver + + + /* + * PROPERTY SERVICE + * + */ + static FT_Error + tt_property_set( FT_Module module, /* TT_Driver */ + const char* property_name, + const void* value, + FT_Bool value_is_string ) + { + FT_Error error = FT_Err_Ok; + TT_Driver driver = (TT_Driver)module; + +#ifndef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + FT_UNUSED( value_is_string ); +#endif + + + if ( !ft_strcmp( property_name, "interpreter-version" ) ) + { + FT_UInt interpreter_version; + + +#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES + if ( value_is_string ) + { + const char* s = (const char*)value; + + + interpreter_version = (FT_UInt)ft_strtol( s, NULL, 10 ); + } + else +#endif + { + FT_UInt* iv = (FT_UInt*)value; + + + interpreter_version = *iv; + } + + if ( interpreter_version == TT_INTERPRETER_VERSION_35 +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + || interpreter_version == TT_INTERPRETER_VERSION_38 +#endif +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + || interpreter_version == TT_INTERPRETER_VERSION_40 +#endif + ) + driver->interpreter_version = interpreter_version; + else + error = FT_ERR( Unimplemented_Feature ); + + return error; + } + + FT_TRACE0(( "tt_property_set: missing property `%s'\n", + property_name )); + return FT_THROW( Missing_Property ); + } + + + static FT_Error + tt_property_get( FT_Module module, /* TT_Driver */ + const char* property_name, + const void* value ) + { + FT_Error error = FT_Err_Ok; + TT_Driver driver = (TT_Driver)module; + + FT_UInt interpreter_version = driver->interpreter_version; + + + if ( !ft_strcmp( property_name, "interpreter-version" ) ) + { + FT_UInt* val = (FT_UInt*)value; + + + *val = interpreter_version; + + return error; + } + + FT_TRACE0(( "tt_property_get: missing property `%s'\n", + property_name )); + return FT_THROW( Missing_Property ); + } + + + FT_DEFINE_SERVICE_PROPERTIESREC( + tt_service_properties, + + (FT_Properties_SetFunc)tt_property_set, /* set_property */ + (FT_Properties_GetFunc)tt_property_get /* get_property */ + ) + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** F A C E S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_get_kerning */ + /* */ + /* <Description> */ + /* A driver method used to return the kerning vector between two */ + /* glyphs of the same face. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* left_glyph :: The index of the left glyph in the kern pair. */ + /* */ + /* right_glyph :: The index of the right glyph in the kern pair. */ + /* */ + /* <Output> */ + /* kerning :: The kerning vector. This is in font units for */ + /* scalable formats, and in pixels for fixed-sizes */ + /* formats. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* Only horizontal layouts (left-to-right & right-to-left) are */ + /* supported by this function. Other layouts, or more sophisticated */ + /* kernings, are out of scope of this method (the basic driver */ + /* interface is meant to be simple). */ + /* */ + /* They can be implemented by format-specific interfaces. */ + /* */ + static FT_Error + tt_get_kerning( FT_Face ttface, /* TT_Face */ + FT_UInt left_glyph, + FT_UInt right_glyph, + FT_Vector* kerning ) + { + TT_Face face = (TT_Face)ttface; + SFNT_Service sfnt = (SFNT_Service)face->sfnt; + + + kerning->x = 0; + kerning->y = 0; + + if ( sfnt ) + kerning->x = sfnt->get_kerning( face, left_glyph, right_glyph ); + + return 0; + } + + + static FT_Error + tt_get_advances( FT_Face ttface, + FT_UInt start, + FT_UInt count, + FT_Int32 flags, + FT_Fixed *advances ) + { + FT_UInt nn; + TT_Face face = (TT_Face)ttface; + + + /* XXX: TODO: check for sbits */ + + if ( flags & FT_LOAD_VERTICAL_LAYOUT ) + { +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* no fast retrieval for blended MM fonts without VVAR table */ + if ( ( FT_IS_NAMED_INSTANCE( ttface ) || FT_IS_VARIATION( ttface ) ) && + !( face->variation_support & TT_FACE_FLAG_VAR_VADVANCE ) ) + return FT_THROW( Unimplemented_Feature ); +#endif + + for ( nn = 0; nn < count; nn++ ) + { + FT_Short tsb; + FT_UShort ah; + + + /* since we don't need `tsb', we use zero for `yMax' parameter */ + TT_Get_VMetrics( face, start + nn, 0, &tsb, &ah ); + advances[nn] = ah; + } + } + else + { +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* no fast retrieval for blended MM fonts without HVAR table */ + if ( ( FT_IS_NAMED_INSTANCE( ttface ) || FT_IS_VARIATION( ttface ) ) && + !( face->variation_support & TT_FACE_FLAG_VAR_HADVANCE ) ) + return FT_THROW( Unimplemented_Feature ); +#endif + + for ( nn = 0; nn < count; nn++ ) + { + FT_Short lsb; + FT_UShort aw; + + + TT_Get_HMetrics( face, start + nn, &lsb, &aw ); + advances[nn] = aw; + } + } + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** S I Z E S ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + static FT_Error + tt_size_select( FT_Size size, + FT_ULong strike_index ) + { + TT_Face ttface = (TT_Face)size->face; + TT_Size ttsize = (TT_Size)size; + FT_Error error = FT_Err_Ok; + + + ttsize->strike_index = strike_index; + + if ( FT_IS_SCALABLE( size->face ) ) + { + /* use the scaled metrics, even when tt_size_reset fails */ + FT_Select_Metrics( size->face, strike_index ); + + tt_size_reset( ttsize, 0 ); /* ignore return value */ + } + else + { + SFNT_Service sfnt = (SFNT_Service)ttface->sfnt; + FT_Size_Metrics* size_metrics = &size->metrics; + + + error = sfnt->load_strike_metrics( ttface, + strike_index, + size_metrics ); + if ( error ) + ttsize->strike_index = 0xFFFFFFFFUL; + } + + return error; + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + + static FT_Error + tt_size_request( FT_Size size, + FT_Size_Request req ) + { + TT_Size ttsize = (TT_Size)size; + FT_Error error = FT_Err_Ok; + + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + if ( FT_HAS_FIXED_SIZES( size->face ) ) + { + TT_Face ttface = (TT_Face)size->face; + SFNT_Service sfnt = (SFNT_Service)ttface->sfnt; + FT_ULong strike_index; + + + error = sfnt->set_sbit_strike( ttface, req, &strike_index ); + + if ( error ) + ttsize->strike_index = 0xFFFFFFFFUL; + else + return tt_size_select( size, strike_index ); + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + FT_Request_Metrics( size->face, req ); + + if ( FT_IS_SCALABLE( size->face ) ) + { + error = tt_size_reset( ttsize, 0 ); + +#ifdef TT_USE_BYTECODE_INTERPRETER + /* for the `MPS' bytecode instruction we need the point size */ + if ( !error ) + { + FT_UInt resolution = + ttsize->metrics->x_ppem > ttsize->metrics->y_ppem + ? req->horiResolution + : req->vertResolution; + + + /* if we don't have a resolution value, assume 72dpi */ + if ( req->type == FT_SIZE_REQUEST_TYPE_SCALES || + !resolution ) + resolution = 72; + + ttsize->point_size = FT_MulDiv( ttsize->ttmetrics.ppem, + 64 * 72, + resolution ); + } +#endif + } + + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_glyph_load */ + /* */ + /* <Description> */ + /* A driver method used to load a glyph within a given glyph slot. */ + /* */ + /* <Input> */ + /* slot :: A handle to the target slot object where the glyph */ + /* will be loaded. */ + /* */ + /* size :: A handle to the source face size at which the glyph */ + /* must be scaled, loaded, etc. */ + /* */ + /* glyph_index :: The index of the glyph in the font file. */ + /* */ + /* load_flags :: A flag indicating what to load for this glyph. The */ + /* FT_LOAD_XXX constants can be used to control the */ + /* glyph loading process (e.g., whether the outline */ + /* should be scaled, whether to load bitmaps or not, */ + /* whether to hint the outline, etc). */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + static FT_Error + tt_glyph_load( FT_GlyphSlot ttslot, /* TT_GlyphSlot */ + FT_Size ttsize, /* TT_Size */ + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + TT_GlyphSlot slot = (TT_GlyphSlot)ttslot; + TT_Size size = (TT_Size)ttsize; + FT_Face face = ttslot->face; + FT_Error error; + + + if ( !slot ) + return FT_THROW( Invalid_Slot_Handle ); + + if ( !size ) + return FT_THROW( Invalid_Size_Handle ); + + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( glyph_index >= (FT_UInt)face->num_glyphs && + !face->internal->incremental_interface ) +#else + if ( glyph_index >= (FT_UInt)face->num_glyphs ) +#endif + return FT_THROW( Invalid_Argument ); + + if ( load_flags & FT_LOAD_NO_HINTING ) + { + /* both FT_LOAD_NO_HINTING and FT_LOAD_NO_AUTOHINT */ + /* are necessary to disable hinting for tricky fonts */ + + if ( FT_IS_TRICKY( face ) ) + load_flags &= ~FT_LOAD_NO_HINTING; + + if ( load_flags & FT_LOAD_NO_AUTOHINT ) + load_flags |= FT_LOAD_NO_HINTING; + } + + if ( load_flags & ( FT_LOAD_NO_RECURSE | FT_LOAD_NO_SCALE ) ) + { + load_flags |= FT_LOAD_NO_BITMAP | FT_LOAD_NO_SCALE; + + if ( !FT_IS_TRICKY( face ) ) + load_flags |= FT_LOAD_NO_HINTING; + } + + /* use hinted metrics only if we load a glyph with hinting */ + size->metrics = ( load_flags & FT_LOAD_NO_HINTING ) + ? &ttsize->metrics + : &size->hinted_metrics; + + /* now load the glyph outline if necessary */ + error = TT_Load_Glyph( size, slot, glyph_index, load_flags ); + + /* force drop-out mode to 2 - irrelevant now */ + /* slot->outline.dropout_mode = 2; */ + + return error; + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /**** ****/ + /**** ****/ + /**** D R I V E R I N T E R F A C E ****/ + /**** ****/ + /**** ****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + FT_DEFINE_SERVICE_MULTIMASTERSREC( + tt_service_gx_multi_masters, + + (FT_Get_MM_Func) NULL, /* get_mm */ + (FT_Set_MM_Design_Func) NULL, /* set_mm_design */ + (FT_Set_MM_Blend_Func) TT_Set_MM_Blend, /* set_mm_blend */ + (FT_Get_MM_Blend_Func) TT_Get_MM_Blend, /* get_mm_blend */ + (FT_Get_MM_Var_Func) TT_Get_MM_Var, /* get_mm_var */ + (FT_Set_Var_Design_Func)TT_Set_Var_Design, /* set_var_design */ + (FT_Get_Var_Design_Func)TT_Get_Var_Design, /* get_var_design */ + (FT_Set_Instance_Func) TT_Set_Named_Instance, /* set_instance */ + + (FT_Get_Var_Blend_Func) tt_get_var_blend, /* get_var_blend */ + (FT_Done_Blend_Func) tt_done_blend /* done_blend */ + ) + + FT_DEFINE_SERVICE_METRICSVARIATIONSREC( + tt_service_metrics_variations, + + (FT_HAdvance_Adjust_Func)tt_hadvance_adjust, /* hadvance_adjust */ + (FT_LSB_Adjust_Func) NULL, /* lsb_adjust */ + (FT_RSB_Adjust_Func) NULL, /* rsb_adjust */ + + (FT_VAdvance_Adjust_Func)tt_vadvance_adjust, /* vadvance_adjust */ + (FT_TSB_Adjust_Func) NULL, /* tsb_adjust */ + (FT_BSB_Adjust_Func) NULL, /* bsb_adjust */ + (FT_VOrg_Adjust_Func) NULL, /* vorg_adjust */ + + (FT_Metrics_Adjust_Func) tt_apply_mvar /* metrics_adjust */ + ) + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + + static const FT_Service_TrueTypeEngineRec tt_service_truetype_engine = + { +#ifdef TT_USE_BYTECODE_INTERPRETER + + FT_TRUETYPE_ENGINE_TYPE_PATENTED + +#else /* !TT_USE_BYTECODE_INTERPRETER */ + + FT_TRUETYPE_ENGINE_TYPE_NONE + +#endif /* TT_USE_BYTECODE_INTERPRETER */ + }; + + + FT_DEFINE_SERVICE_TTGLYFREC( + tt_service_truetype_glyf, + + (TT_Glyf_GetLocationFunc)tt_face_get_location /* get_location */ + ) + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_DEFINE_SERVICEDESCREC6( + tt_services, + + FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_TRUETYPE, + FT_SERVICE_ID_MULTI_MASTERS, &TT_SERVICE_GX_MULTI_MASTERS_GET, + FT_SERVICE_ID_METRICS_VARIATIONS, &TT_SERVICE_METRICS_VARIATIONS_GET, + FT_SERVICE_ID_TRUETYPE_ENGINE, &tt_service_truetype_engine, + FT_SERVICE_ID_TT_GLYF, &TT_SERVICE_TRUETYPE_GLYF_GET, + FT_SERVICE_ID_PROPERTIES, &TT_SERVICE_PROPERTIES_GET ) +#else + FT_DEFINE_SERVICEDESCREC4( + tt_services, + + FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_TRUETYPE, + FT_SERVICE_ID_TRUETYPE_ENGINE, &tt_service_truetype_engine, + FT_SERVICE_ID_TT_GLYF, &TT_SERVICE_TRUETYPE_GLYF_GET, + FT_SERVICE_ID_PROPERTIES, &TT_SERVICE_PROPERTIES_GET ) +#endif + + + FT_CALLBACK_DEF( FT_Module_Interface ) + tt_get_interface( FT_Module driver, /* TT_Driver */ + const char* tt_interface ) + { + FT_Library library; + FT_Module_Interface result; + FT_Module sfntd; + SFNT_Service sfnt; + + + /* TT_SERVICES_GET dereferences `library' in PIC mode */ +#ifdef FT_CONFIG_OPTION_PIC + if ( !driver ) + return NULL; + library = driver->library; + if ( !library ) + return NULL; +#endif + + result = ft_service_list_lookup( TT_SERVICES_GET, tt_interface ); + if ( result ) + return result; + +#ifndef FT_CONFIG_OPTION_PIC + if ( !driver ) + return NULL; + library = driver->library; + if ( !library ) + return NULL; +#endif + + /* only return the default interface from the SFNT module */ + sfntd = FT_Get_Module( library, "sfnt" ); + if ( sfntd ) + { + sfnt = (SFNT_Service)( sfntd->clazz->module_interface ); + if ( sfnt ) + return sfnt->get_interface( driver, tt_interface ); + } + + return 0; + } + + + /* The FT_DriverInterface structure is defined in ftdriver.h. */ + +#ifdef TT_USE_BYTECODE_INTERPRETER +#define TT_HINTER_FLAG FT_MODULE_DRIVER_HAS_HINTER +#else +#define TT_HINTER_FLAG 0 +#endif + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS +#define TT_SIZE_SELECT tt_size_select +#else +#define TT_SIZE_SELECT 0 +#endif + + FT_DEFINE_DRIVER( + tt_driver_class, + + FT_MODULE_FONT_DRIVER | + FT_MODULE_DRIVER_SCALABLE | + TT_HINTER_FLAG, + + sizeof ( TT_DriverRec ), + + "truetype", /* driver name */ + 0x10000L, /* driver version == 1.0 */ + 0x20000L, /* driver requires FreeType 2.0 or above */ + + NULL, /* module-specific interface */ + + tt_driver_init, /* FT_Module_Constructor module_init */ + tt_driver_done, /* FT_Module_Destructor module_done */ + tt_get_interface, /* FT_Module_Requester get_interface */ + + sizeof ( TT_FaceRec ), + sizeof ( TT_SizeRec ), + sizeof ( FT_GlyphSlotRec ), + + tt_face_init, /* FT_Face_InitFunc init_face */ + tt_face_done, /* FT_Face_DoneFunc done_face */ + tt_size_init, /* FT_Size_InitFunc init_size */ + tt_size_done, /* FT_Size_DoneFunc done_size */ + tt_slot_init, /* FT_Slot_InitFunc init_slot */ + NULL, /* FT_Slot_DoneFunc done_slot */ + + tt_glyph_load, /* FT_Slot_LoadFunc load_glyph */ + + tt_get_kerning, /* FT_Face_GetKerningFunc get_kerning */ + NULL, /* FT_Face_AttachFunc attach_file */ + tt_get_advances, /* FT_Face_GetAdvancesFunc get_advances */ + + tt_size_request, /* FT_Size_RequestFunc request_size */ + TT_SIZE_SELECT /* FT_Size_SelectFunc select_size */ + ) + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttdriver.h b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttdriver.h new file mode 100644 index 00000000000..707aa68edf3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttdriver.h @@ -0,0 +1,38 @@ +/***************************************************************************/ +/* */ +/* ttdriver.h */ +/* */ +/* High-level TrueType driver interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTDRIVER_H_ +#define TTDRIVER_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_DRIVER_H + + +FT_BEGIN_HEADER + + + FT_DECLARE_DRIVER( tt_driver_class ) + + +FT_END_HEADER + +#endif /* TTDRIVER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/tterrors.h b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/tterrors.h new file mode 100644 index 00000000000..88bca3a04af --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/tterrors.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* tterrors.h */ +/* */ +/* TrueType error codes (specification only). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the TrueType error enumeration */ + /* constants. */ + /* */ + /*************************************************************************/ + +#ifndef TTERRORS_H_ +#define TTERRORS_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX TT_Err_ +#define FT_ERR_BASE FT_Mod_Err_TrueType + +#include FT_ERRORS_H + +#endif /* TTERRORS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgload.c b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgload.c new file mode 100644 index 00000000000..32ed34aba5e --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgload.c @@ -0,0 +1,2900 @@ +/***************************************************************************/ +/* */ +/* ttgload.c */ +/* */ +/* TrueType Glyph Loader (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_CONFIG_CONFIG_H +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_SFNT_H +#include FT_TRUETYPE_TAGS_H +#include FT_OUTLINE_H +#include FT_DRIVER_H +#include FT_LIST_H + +#include "ttgload.h" +#include "ttpload.h" + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include "ttgxvar.h" +#endif + +#include "tterrors.h" +#include "ttsubpix.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttgload + + + /*************************************************************************/ + /* */ + /* Composite glyph flags. */ + /* */ +#define ARGS_ARE_WORDS 0x0001 +#define ARGS_ARE_XY_VALUES 0x0002 +#define ROUND_XY_TO_GRID 0x0004 +#define WE_HAVE_A_SCALE 0x0008 +/* reserved 0x0010 */ +#define MORE_COMPONENTS 0x0020 +#define WE_HAVE_AN_XY_SCALE 0x0040 +#define WE_HAVE_A_2X2 0x0080 +#define WE_HAVE_INSTR 0x0100 +#define USE_MY_METRICS 0x0200 +#define OVERLAP_COMPOUND 0x0400 +#define SCALED_COMPONENT_OFFSET 0x0800 +#define UNSCALED_COMPONENT_OFFSET 0x1000 + + + /*************************************************************************/ + /* */ + /* Return the horizontal metrics in font units for a given glyph. */ + /* */ + FT_LOCAL_DEF( void ) + TT_Get_HMetrics( TT_Face face, + FT_UInt idx, + FT_Short* lsb, + FT_UShort* aw ) + { + ( (SFNT_Service)face->sfnt )->get_metrics( face, 0, idx, lsb, aw ); + + FT_TRACE5(( " advance width (font units): %d\n", *aw )); + FT_TRACE5(( " left side bearing (font units): %d\n", *lsb )); + } + + + /*************************************************************************/ + /* */ + /* Return the vertical metrics in font units for a given glyph. */ + /* See function `tt_loader_set_pp' below for explanations. */ + /* */ + FT_LOCAL_DEF( void ) + TT_Get_VMetrics( TT_Face face, + FT_UInt idx, + FT_Pos yMax, + FT_Short* tsb, + FT_UShort* ah ) + { + if ( face->vertical_info ) + ( (SFNT_Service)face->sfnt )->get_metrics( face, 1, idx, tsb, ah ); + + else if ( face->os2.version != 0xFFFFU ) + { + *tsb = (FT_Short)( face->os2.sTypoAscender - yMax ); + *ah = (FT_UShort)FT_ABS( face->os2.sTypoAscender - + face->os2.sTypoDescender ); + } + + else + { + *tsb = (FT_Short)( face->horizontal.Ascender - yMax ); + *ah = (FT_UShort)FT_ABS( face->horizontal.Ascender - + face->horizontal.Descender ); + } + + FT_TRACE5(( " advance height (font units): %d\n", *ah )); + FT_TRACE5(( " top side bearing (font units): %d\n", *tsb )); + } + + + static FT_Error + tt_get_metrics( TT_Loader loader, + FT_UInt glyph_index ) + { + TT_Face face = loader->face; +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( face ); +#endif + + FT_Error error; + FT_Stream stream = loader->stream; + + FT_Short left_bearing = 0, top_bearing = 0; + FT_UShort advance_width = 0, advance_height = 0; + + /* we must preserve the stream position */ + /* (which gets altered by the metrics functions) */ + FT_ULong pos = FT_STREAM_POS(); + + + TT_Get_HMetrics( face, glyph_index, + &left_bearing, + &advance_width ); + TT_Get_VMetrics( face, glyph_index, + loader->bbox.yMax, + &top_bearing, + &advance_height ); + + if ( FT_STREAM_SEEK( pos ) ) + return error; + + loader->left_bearing = left_bearing; + loader->advance = advance_width; + loader->top_bearing = top_bearing; + loader->vadvance = advance_height; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_38 && + loader->exec ) + { + loader->exec->sph_tweak_flags = 0; + + /* This may not be the right place for this, but it works... */ + /* Note that we have to unconditionally load the tweaks since */ + /* it is possible that glyphs individually switch ClearType's */ + /* backward compatibility mode on and off. */ + sph_set_tweaks( loader, glyph_index ); + } +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + if ( !loader->linear_def ) + { + loader->linear_def = 1; + loader->linear = advance_width; + } + + return FT_Err_Ok; + } + + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + + static void + tt_get_metrics_incr_overrides( TT_Loader loader, + FT_UInt glyph_index ) + { + TT_Face face = loader->face; + + FT_Short left_bearing = 0, top_bearing = 0; + FT_UShort advance_width = 0, advance_height = 0; + + + /* If this is an incrementally loaded font check whether there are */ + /* overriding metrics for this glyph. */ + if ( face->root.internal->incremental_interface && + face->root.internal->incremental_interface->funcs->get_glyph_metrics ) + { + FT_Incremental_MetricsRec incr_metrics; + FT_Error error; + + + incr_metrics.bearing_x = loader->left_bearing; + incr_metrics.bearing_y = 0; + incr_metrics.advance = loader->advance; + incr_metrics.advance_v = 0; + + error = face->root.internal->incremental_interface->funcs->get_glyph_metrics( + face->root.internal->incremental_interface->object, + glyph_index, FALSE, &incr_metrics ); + if ( error ) + goto Exit; + + left_bearing = (FT_Short)incr_metrics.bearing_x; + advance_width = (FT_UShort)incr_metrics.advance; + +#if 0 + + /* GWW: Do I do the same for vertical metrics? */ + incr_metrics.bearing_x = 0; + incr_metrics.bearing_y = loader->top_bearing; + incr_metrics.advance = loader->vadvance; + + error = face->root.internal->incremental_interface->funcs->get_glyph_metrics( + face->root.internal->incremental_interface->object, + glyph_index, TRUE, &incr_metrics ); + if ( error ) + goto Exit; + + top_bearing = (FT_Short)incr_metrics.bearing_y; + advance_height = (FT_UShort)incr_metrics.advance; + +#endif /* 0 */ + + loader->left_bearing = left_bearing; + loader->advance = advance_width; + loader->top_bearing = top_bearing; + loader->vadvance = advance_height; + + if ( !loader->linear_def ) + { + loader->linear_def = 1; + loader->linear = advance_width; + } + } + + Exit: + return; + } + +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + + /*************************************************************************/ + /* */ + /* The following functions are used by default with TrueType fonts. */ + /* However, they can be replaced by alternatives if we need to support */ + /* TrueType-compressed formats (like MicroType) in the future. */ + /* */ + /*************************************************************************/ + + FT_CALLBACK_DEF( FT_Error ) + TT_Access_Glyph_Frame( TT_Loader loader, + FT_UInt glyph_index, + FT_ULong offset, + FT_UInt byte_count ) + { + FT_Error error; + FT_Stream stream = loader->stream; + + /* for non-debug mode */ + FT_UNUSED( glyph_index ); + + + FT_TRACE4(( "Glyph %ld\n", glyph_index )); + + /* the following line sets the `error' variable through macros! */ + if ( FT_STREAM_SEEK( offset ) || FT_FRAME_ENTER( byte_count ) ) + return error; + + loader->cursor = stream->cursor; + loader->limit = stream->limit; + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( void ) + TT_Forget_Glyph_Frame( TT_Loader loader ) + { + FT_Stream stream = loader->stream; + + + FT_FRAME_EXIT(); + } + + + FT_CALLBACK_DEF( FT_Error ) + TT_Load_Glyph_Header( TT_Loader loader ) + { + FT_Byte* p = loader->cursor; + FT_Byte* limit = loader->limit; + + + if ( p + 10 > limit ) + return FT_THROW( Invalid_Outline ); + + loader->n_contours = FT_NEXT_SHORT( p ); + + loader->bbox.xMin = FT_NEXT_SHORT( p ); + loader->bbox.yMin = FT_NEXT_SHORT( p ); + loader->bbox.xMax = FT_NEXT_SHORT( p ); + loader->bbox.yMax = FT_NEXT_SHORT( p ); + + FT_TRACE5(( " # of contours: %d\n", loader->n_contours )); + FT_TRACE5(( " xMin: %4d xMax: %4d\n", loader->bbox.xMin, + loader->bbox.xMax )); + FT_TRACE5(( " yMin: %4d yMax: %4d\n", loader->bbox.yMin, + loader->bbox.yMax )); + loader->cursor = p; + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( FT_Error ) + TT_Load_Simple_Glyph( TT_Loader load ) + { + FT_Error error; + FT_Byte* p = load->cursor; + FT_Byte* limit = load->limit; + FT_GlyphLoader gloader = load->gloader; + FT_Int n_contours = load->n_contours; + FT_Outline* outline; + FT_UShort n_ins; + FT_Int n_points; + + FT_Byte *flag, *flag_limit; + FT_Byte c, count; + FT_Vector *vec, *vec_limit; + FT_Pos x; + FT_Short *cont, *cont_limit, prev_cont; + FT_Int xy_size = 0; + + + /* check that we can add the contours to the glyph */ + error = FT_GLYPHLOADER_CHECK_POINTS( gloader, 0, n_contours ); + if ( error ) + goto Fail; + + /* reading the contours' endpoints & number of points */ + cont = gloader->current.outline.contours; + cont_limit = cont + n_contours; + + /* check space for contours array + instructions count */ + if ( n_contours >= 0xFFF || p + ( n_contours + 1 ) * 2 > limit ) + goto Invalid_Outline; + + prev_cont = FT_NEXT_SHORT( p ); + + if ( n_contours > 0 ) + cont[0] = prev_cont; + + if ( prev_cont < 0 ) + goto Invalid_Outline; + + for ( cont++; cont < cont_limit; cont++ ) + { + cont[0] = FT_NEXT_SHORT( p ); + if ( cont[0] <= prev_cont ) + { + /* unordered contours: this is invalid */ + goto Invalid_Outline; + } + prev_cont = cont[0]; + } + + n_points = 0; + if ( n_contours > 0 ) + { + n_points = cont[-1] + 1; + if ( n_points < 0 ) + goto Invalid_Outline; + } + + /* note that we will add four phantom points later */ + error = FT_GLYPHLOADER_CHECK_POINTS( gloader, n_points + 4, 0 ); + if ( error ) + goto Fail; + + /* reading the bytecode instructions */ + load->glyph->control_len = 0; + load->glyph->control_data = NULL; + + if ( p + 2 > limit ) + goto Invalid_Outline; + + n_ins = FT_NEXT_USHORT( p ); + + FT_TRACE5(( " Instructions size: %u\n", n_ins )); + +#ifdef TT_USE_BYTECODE_INTERPRETER + + if ( IS_HINTED( load->load_flags ) ) + { + FT_ULong tmp; + + + /* check instructions size */ + if ( ( limit - p ) < n_ins ) + { + FT_TRACE1(( "TT_Load_Simple_Glyph: instruction count mismatch\n" )); + error = FT_THROW( Too_Many_Hints ); + goto Fail; + } + + /* we don't trust `maxSizeOfInstructions' in the `maxp' table */ + /* and thus update the bytecode array size by ourselves */ + + tmp = load->exec->glyphSize; + error = Update_Max( load->exec->memory, + &tmp, + sizeof ( FT_Byte ), + (void*)&load->exec->glyphIns, + n_ins ); + + load->exec->glyphSize = (FT_UShort)tmp; + if ( error ) + return error; + + load->glyph->control_len = n_ins; + load->glyph->control_data = load->exec->glyphIns; + + if ( n_ins ) + FT_MEM_COPY( load->exec->glyphIns, p, (FT_Long)n_ins ); + } + +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + p += n_ins; + + outline = &gloader->current.outline; + + /* reading the point tags */ + flag = (FT_Byte*)outline->tags; + flag_limit = flag + n_points; + + FT_ASSERT( flag ); + + while ( flag < flag_limit ) + { + if ( p + 1 > limit ) + goto Invalid_Outline; + + *flag++ = c = FT_NEXT_BYTE( p ); + if ( c & 8 ) + { + if ( p + 1 > limit ) + goto Invalid_Outline; + + count = FT_NEXT_BYTE( p ); + if ( flag + (FT_Int)count > flag_limit ) + goto Invalid_Outline; + + for ( ; count > 0; count-- ) + *flag++ = c; + } + } + + /* reading the X coordinates */ + + vec = outline->points; + vec_limit = vec + n_points; + flag = (FT_Byte*)outline->tags; + x = 0; + + if ( p + xy_size > limit ) + goto Invalid_Outline; + + for ( ; vec < vec_limit; vec++, flag++ ) + { + FT_Pos y = 0; + FT_Byte f = *flag; + + + if ( f & 2 ) + { + if ( p + 1 > limit ) + goto Invalid_Outline; + + y = (FT_Pos)FT_NEXT_BYTE( p ); + if ( ( f & 16 ) == 0 ) + y = -y; + } + else if ( ( f & 16 ) == 0 ) + { + if ( p + 2 > limit ) + goto Invalid_Outline; + + y = (FT_Pos)FT_NEXT_SHORT( p ); + } + + x += y; + vec->x = x; + /* the cast is for stupid compilers */ + *flag = (FT_Byte)( f & ~( 2 | 16 ) ); + } + + /* reading the Y coordinates */ + + vec = gloader->current.outline.points; + vec_limit = vec + n_points; + flag = (FT_Byte*)outline->tags; + x = 0; + + for ( ; vec < vec_limit; vec++, flag++ ) + { + FT_Pos y = 0; + FT_Byte f = *flag; + + + if ( f & 4 ) + { + if ( p + 1 > limit ) + goto Invalid_Outline; + + y = (FT_Pos)FT_NEXT_BYTE( p ); + if ( ( f & 32 ) == 0 ) + y = -y; + } + else if ( ( f & 32 ) == 0 ) + { + if ( p + 2 > limit ) + goto Invalid_Outline; + + y = (FT_Pos)FT_NEXT_SHORT( p ); + } + + x += y; + vec->y = x; + /* the cast is for stupid compilers */ + *flag = (FT_Byte)( f & FT_CURVE_TAG_ON ); + } + + outline->n_points = (FT_Short)n_points; + outline->n_contours = (FT_Short)n_contours; + + load->cursor = p; + + Fail: + return error; + + Invalid_Outline: + error = FT_THROW( Invalid_Outline ); + goto Fail; + } + + + FT_CALLBACK_DEF( FT_Error ) + TT_Load_Composite_Glyph( TT_Loader loader ) + { + FT_Error error; + FT_Byte* p = loader->cursor; + FT_Byte* limit = loader->limit; + FT_GlyphLoader gloader = loader->gloader; + FT_SubGlyph subglyph; + FT_UInt num_subglyphs; + + + num_subglyphs = 0; + + do + { + FT_Fixed xx, xy, yy, yx; + FT_UInt count; + + + /* check that we can load a new subglyph */ + error = FT_GlyphLoader_CheckSubGlyphs( gloader, num_subglyphs + 1 ); + if ( error ) + goto Fail; + + /* check space */ + if ( p + 4 > limit ) + goto Invalid_Composite; + + subglyph = gloader->current.subglyphs + num_subglyphs; + + subglyph->arg1 = subglyph->arg2 = 0; + + subglyph->flags = FT_NEXT_USHORT( p ); + subglyph->index = FT_NEXT_USHORT( p ); + + /* check space */ + count = 2; + if ( subglyph->flags & ARGS_ARE_WORDS ) + count += 2; + if ( subglyph->flags & WE_HAVE_A_SCALE ) + count += 2; + else if ( subglyph->flags & WE_HAVE_AN_XY_SCALE ) + count += 4; + else if ( subglyph->flags & WE_HAVE_A_2X2 ) + count += 8; + + if ( p + count > limit ) + goto Invalid_Composite; + + /* read arguments */ + if ( subglyph->flags & ARGS_ARE_XY_VALUES ) + { + if ( subglyph->flags & ARGS_ARE_WORDS ) + { + subglyph->arg1 = FT_NEXT_SHORT( p ); + subglyph->arg2 = FT_NEXT_SHORT( p ); + } + else + { + subglyph->arg1 = FT_NEXT_CHAR( p ); + subglyph->arg2 = FT_NEXT_CHAR( p ); + } + } + else + { + if ( subglyph->flags & ARGS_ARE_WORDS ) + { + subglyph->arg1 = (FT_Int)FT_NEXT_USHORT( p ); + subglyph->arg2 = (FT_Int)FT_NEXT_USHORT( p ); + } + else + { + subglyph->arg1 = (FT_Int)FT_NEXT_BYTE( p ); + subglyph->arg2 = (FT_Int)FT_NEXT_BYTE( p ); + } + } + + /* read transform */ + xx = yy = 0x10000L; + xy = yx = 0; + + if ( subglyph->flags & WE_HAVE_A_SCALE ) + { + xx = (FT_Fixed)FT_NEXT_SHORT( p ) * 4; + yy = xx; + } + else if ( subglyph->flags & WE_HAVE_AN_XY_SCALE ) + { + xx = (FT_Fixed)FT_NEXT_SHORT( p ) * 4; + yy = (FT_Fixed)FT_NEXT_SHORT( p ) * 4; + } + else if ( subglyph->flags & WE_HAVE_A_2X2 ) + { + xx = (FT_Fixed)FT_NEXT_SHORT( p ) * 4; + yx = (FT_Fixed)FT_NEXT_SHORT( p ) * 4; + xy = (FT_Fixed)FT_NEXT_SHORT( p ) * 4; + yy = (FT_Fixed)FT_NEXT_SHORT( p ) * 4; + } + + subglyph->transform.xx = xx; + subglyph->transform.xy = xy; + subglyph->transform.yx = yx; + subglyph->transform.yy = yy; + + num_subglyphs++; + + } while ( subglyph->flags & MORE_COMPONENTS ); + + gloader->current.num_subglyphs = num_subglyphs; + FT_TRACE5(( " %d component%s\n", + num_subglyphs, + num_subglyphs > 1 ? "s" : "" )); + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_UInt i; + + + subglyph = gloader->current.subglyphs; + + for ( i = 0; i < num_subglyphs; i++ ) + { + if ( num_subglyphs > 1 ) + FT_TRACE7(( " subglyph %d:\n", i )); + + FT_TRACE7(( " glyph index: %d\n", subglyph->index )); + + if ( subglyph->flags & ARGS_ARE_XY_VALUES ) + FT_TRACE7(( " offset: x=%d, y=%d\n", + subglyph->arg1, + subglyph->arg2 )); + else + FT_TRACE7(( " matching points: base=%d, component=%d\n", + subglyph->arg1, + subglyph->arg2 )); + + if ( subglyph->flags & WE_HAVE_A_SCALE ) + FT_TRACE7(( " scaling: %f\n", + subglyph->transform.xx / 65536.0 )); + else if ( subglyph->flags & WE_HAVE_AN_XY_SCALE ) + FT_TRACE7(( " scaling: x=%f, y=%f\n", + subglyph->transform.xx / 65536.0, + subglyph->transform.yy / 65536.0 )); + else if ( subglyph->flags & WE_HAVE_A_2X2 ) + FT_TRACE7(( " scaling: xx=%f, yx=%f\n" + " xy=%f, yy=%f\n", + subglyph->transform.xx / 65536.0, + subglyph->transform.yx / 65536.0, + subglyph->transform.xy / 65536.0, + subglyph->transform.yy / 65536.0 )); + + subglyph++; + } + } +#endif /* FT_DEBUG_LEVEL_TRACE */ + +#ifdef TT_USE_BYTECODE_INTERPRETER + + { + FT_Stream stream = loader->stream; + + + /* we must undo the FT_FRAME_ENTER in order to point */ + /* to the composite instructions, if we find some. */ + /* We will process them later. */ + /* */ + loader->ins_pos = (FT_ULong)( FT_STREAM_POS() + + p - limit ); + } + +#endif + + loader->cursor = p; + + Fail: + return error; + + Invalid_Composite: + error = FT_THROW( Invalid_Composite ); + goto Fail; + } + + + FT_LOCAL_DEF( void ) + TT_Init_Glyph_Loading( TT_Face face ) + { + face->access_glyph_frame = TT_Access_Glyph_Frame; + face->read_glyph_header = TT_Load_Glyph_Header; + face->read_simple_glyph = TT_Load_Simple_Glyph; + face->read_composite_glyph = TT_Load_Composite_Glyph; + face->forget_glyph_frame = TT_Forget_Glyph_Frame; + } + + + static void + tt_prepare_zone( TT_GlyphZone zone, + FT_GlyphLoad load, + FT_UInt start_point, + FT_UInt start_contour ) + { + zone->n_points = (FT_UShort)load->outline.n_points - + (FT_UShort)start_point; + zone->n_contours = load->outline.n_contours - + (FT_Short)start_contour; + zone->org = load->extra_points + start_point; + zone->cur = load->outline.points + start_point; + zone->orus = load->extra_points2 + start_point; + zone->tags = (FT_Byte*)load->outline.tags + start_point; + zone->contours = (FT_UShort*)load->outline.contours + start_contour; + zone->first_point = (FT_UShort)start_point; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Hint_Glyph */ + /* */ + /* <Description> */ + /* Hint the glyph using the zone prepared by the caller. Note that */ + /* the zone is supposed to include four phantom points. */ + /* */ + static FT_Error + TT_Hint_Glyph( TT_Loader loader, + FT_Bool is_composite ) + { +#if defined TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY || \ + defined TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + TT_Face face = loader->face; + TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( face ); +#endif + + TT_GlyphZone zone = &loader->zone; + +#ifdef TT_USE_BYTECODE_INTERPRETER + FT_Long n_ins; +#else + FT_UNUSED( is_composite ); +#endif + + +#ifdef TT_USE_BYTECODE_INTERPRETER + if ( loader->glyph->control_len > 0xFFFFL ) + { + FT_TRACE1(( "TT_Hint_Glyph: too long instructions" )); + FT_TRACE1(( " (0x%lx byte) is truncated\n", + loader->glyph->control_len )); + } + n_ins = loader->glyph->control_len; + + /* save original point position in org */ + if ( n_ins > 0 ) + FT_ARRAY_COPY( zone->org, zone->cur, zone->n_points ); + + /* Reset graphics state. */ + loader->exec->GS = loader->size->GS; + + /* XXX: UNDOCUMENTED! Hinting instructions of a composite glyph */ + /* completely refer to the (already) hinted subglyphs. */ + if ( is_composite ) + { + loader->exec->metrics.x_scale = 1 << 16; + loader->exec->metrics.y_scale = 1 << 16; + + FT_ARRAY_COPY( zone->orus, zone->cur, zone->n_points ); + } + else + { + loader->exec->metrics.x_scale = loader->size->metrics->x_scale; + loader->exec->metrics.y_scale = loader->size->metrics->y_scale; + } +#endif + + /* round phantom points */ + zone->cur[zone->n_points - 4].x = + FT_PIX_ROUND( zone->cur[zone->n_points - 4].x ); + zone->cur[zone->n_points - 3].x = + FT_PIX_ROUND( zone->cur[zone->n_points - 3].x ); + zone->cur[zone->n_points - 2].y = + FT_PIX_ROUND( zone->cur[zone->n_points - 2].y ); + zone->cur[zone->n_points - 1].y = + FT_PIX_ROUND( zone->cur[zone->n_points - 1].y ); + +#ifdef TT_USE_BYTECODE_INTERPRETER + + if ( n_ins > 0 ) + { + FT_Error error; + + FT_GlyphLoader gloader = loader->gloader; + FT_Outline current_outline = gloader->current.outline; + + + TT_Set_CodeRange( loader->exec, tt_coderange_glyph, + loader->exec->glyphIns, n_ins ); + + loader->exec->is_composite = is_composite; + loader->exec->pts = *zone; + + error = TT_Run_Context( loader->exec ); + if ( error && loader->exec->pedantic_hinting ) + return error; + + /* store drop-out mode in bits 5-7; set bit 2 also as a marker */ + current_outline.tags[0] |= + ( loader->exec->GS.scan_type << 5 ) | FT_CURVE_TAG_HAS_SCANMODE; + } + +#endif + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* Save possibly modified glyph phantom points unless in v40 backward */ + /* compatibility mode, where no movement on the x axis means no reason */ + /* to change bearings or advance widths. */ + if ( !( driver->interpreter_version == TT_INTERPRETER_VERSION_40 && + loader->exec->backward_compatibility ) ) + { +#endif + loader->pp1 = zone->cur[zone->n_points - 4]; + loader->pp2 = zone->cur[zone->n_points - 3]; + loader->pp3 = zone->cur[zone->n_points - 2]; + loader->pp4 = zone->cur[zone->n_points - 1]; +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + } +#endif + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_38 ) + { + if ( loader->exec->sph_tweak_flags & SPH_TWEAK_DEEMBOLDEN ) + FT_Outline_EmboldenXY( &loader->gloader->current.outline, -24, 0 ); + + else if ( loader->exec->sph_tweak_flags & SPH_TWEAK_EMBOLDEN ) + FT_Outline_EmboldenXY( &loader->gloader->current.outline, 24, 0 ); + } +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Process_Simple_Glyph */ + /* */ + /* <Description> */ + /* Once a simple glyph has been loaded, it needs to be processed. */ + /* Usually, this means scaling and hinting through bytecode */ + /* interpretation. */ + /* */ + static FT_Error + TT_Process_Simple_Glyph( TT_Loader loader ) + { + FT_GlyphLoader gloader = loader->gloader; + FT_Error error = FT_Err_Ok; + FT_Outline* outline; + FT_Int n_points; + + + outline = &gloader->current.outline; + n_points = outline->n_points; + + /* set phantom points */ + + outline->points[n_points ] = loader->pp1; + outline->points[n_points + 1] = loader->pp2; + outline->points[n_points + 2] = loader->pp3; + outline->points[n_points + 3] = loader->pp4; + + outline->tags[n_points ] = 0; + outline->tags[n_points + 1] = 0; + outline->tags[n_points + 2] = 0; + outline->tags[n_points + 3] = 0; + + n_points += 4; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + if ( FT_IS_NAMED_INSTANCE( FT_FACE( loader->face ) ) || + FT_IS_VARIATION( FT_FACE( loader->face ) ) ) + { + /* Deltas apply to the unscaled data. */ + error = TT_Vary_Apply_Glyph_Deltas( loader->face, + loader->glyph_index, + outline, + (FT_UInt)n_points ); + + /* recalculate linear horizontal and vertical advances */ + /* if we don't have HVAR and VVAR, respectively */ + if ( !( loader->face->variation_support & TT_FACE_FLAG_VAR_HADVANCE ) ) + loader->linear = outline->points[n_points - 3].x - + outline->points[n_points - 4].x; + if ( !( loader->face->variation_support & TT_FACE_FLAG_VAR_VADVANCE ) ) + loader->vadvance = outline->points[n_points - 1].x - + outline->points[n_points - 2].x; + + if ( error ) + return error; + } + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + if ( IS_HINTED( loader->load_flags ) ) + { + tt_prepare_zone( &loader->zone, &gloader->current, 0, 0 ); + + FT_ARRAY_COPY( loader->zone.orus, loader->zone.cur, + loader->zone.n_points + 4 ); + } + + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + TT_Face face = loader->face; + TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( face ); + + FT_String* family = face->root.family_name; + FT_UInt ppem = loader->size->metrics->x_ppem; + FT_String* style = face->root.style_name; + FT_UInt x_scale_factor = 1000; +#endif + + FT_Vector* vec = outline->points; + FT_Vector* limit = outline->points + n_points; + + FT_Fixed x_scale = 0; /* pacify compiler */ + FT_Fixed y_scale = 0; + + FT_Bool do_scale = FALSE; + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_38 ) + { + /* scale, but only if enabled and only if TT hinting is being used */ + if ( IS_HINTED( loader->load_flags ) ) + x_scale_factor = sph_test_tweak_x_scaling( face, + family, + ppem, + style, + loader->glyph_index ); + /* scale the glyph */ + if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 || + x_scale_factor != 1000 ) + { + x_scale = FT_MulDiv( loader->size->metrics->x_scale, + (FT_Long)x_scale_factor, 1000 ); + y_scale = loader->size->metrics->y_scale; + + /* compensate for any scaling by de/emboldening; */ + /* the amount was determined via experimentation */ + if ( x_scale_factor != 1000 && ppem > 11 ) + FT_Outline_EmboldenXY( outline, + FT_MulFix( 1280 * ppem, + 1000 - x_scale_factor ), + 0 ); + do_scale = TRUE; + } + } + else + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + { + /* scale the glyph */ + if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 ) + { + x_scale = loader->size->metrics->x_scale; + y_scale = loader->size->metrics->y_scale; + + do_scale = TRUE; + } + } + + if ( do_scale ) + { + for ( ; vec < limit; vec++ ) + { + vec->x = FT_MulFix( vec->x, x_scale ); + vec->y = FT_MulFix( vec->y, y_scale ); + } + } + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* if we have a HVAR table, `pp1' and/or `pp2' are already adjusted */ + if ( !( loader->face->variation_support & TT_FACE_FLAG_VAR_HADVANCE ) || + !IS_HINTED( loader->load_flags ) ) +#endif + { + loader->pp1 = outline->points[n_points - 4]; + loader->pp2 = outline->points[n_points - 3]; + } + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* if we have a VVAR table, `pp3' and/or `pp4' are already adjusted */ + if ( !( loader->face->variation_support & TT_FACE_FLAG_VAR_VADVANCE ) || + !IS_HINTED( loader->load_flags ) ) +#endif + { + loader->pp3 = outline->points[n_points - 2]; + loader->pp4 = outline->points[n_points - 1]; + } + } + + if ( IS_HINTED( loader->load_flags ) ) + { + loader->zone.n_points += 4; + + error = TT_Hint_Glyph( loader, 0 ); + } + + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Process_Composite_Component */ + /* */ + /* <Description> */ + /* Once a composite component has been loaded, it needs to be */ + /* processed. Usually, this means transforming and translating. */ + /* */ + static FT_Error + TT_Process_Composite_Component( TT_Loader loader, + FT_SubGlyph subglyph, + FT_UInt start_point, + FT_UInt num_base_points ) + { + FT_GlyphLoader gloader = loader->gloader; + FT_Outline current; + FT_Bool have_scale; + FT_Pos x, y; + + + current.points = gloader->base.outline.points + + num_base_points; + current.n_points = gloader->base.outline.n_points - + (short)num_base_points; + + have_scale = FT_BOOL( subglyph->flags & ( WE_HAVE_A_SCALE | + WE_HAVE_AN_XY_SCALE | + WE_HAVE_A_2X2 ) ); + + /* perform the transform required for this subglyph */ + if ( have_scale ) + FT_Outline_Transform( ¤t, &subglyph->transform ); + + /* get offset */ + if ( !( subglyph->flags & ARGS_ARE_XY_VALUES ) ) + { + FT_UInt num_points = (FT_UInt)gloader->base.outline.n_points; + FT_UInt k = (FT_UInt)subglyph->arg1; + FT_UInt l = (FT_UInt)subglyph->arg2; + FT_Vector* p1; + FT_Vector* p2; + + + /* match l-th point of the newly loaded component to the k-th point */ + /* of the previously loaded components. */ + + /* change to the point numbers used by our outline */ + k += start_point; + l += num_base_points; + if ( k >= num_base_points || + l >= num_points ) + return FT_THROW( Invalid_Composite ); + + p1 = gloader->base.outline.points + k; + p2 = gloader->base.outline.points + l; + + x = p1->x - p2->x; + y = p1->y - p2->y; + } + else + { + x = subglyph->arg1; + y = subglyph->arg2; + + if ( !x && !y ) + return FT_Err_Ok; + + /* Use a default value dependent on */ + /* TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED. This is useful for old */ + /* TT fonts which don't set the xxx_COMPONENT_OFFSET bit. */ + + if ( have_scale && +#ifdef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED + !( subglyph->flags & UNSCALED_COMPONENT_OFFSET ) ) +#else + ( subglyph->flags & SCALED_COMPONENT_OFFSET ) ) +#endif + { + +#if 0 + + /*******************************************************************/ + /* */ + /* This algorithm is what Apple documents. But it doesn't work. */ + /* */ + int a = subglyph->transform.xx > 0 ? subglyph->transform.xx + : -subglyph->transform.xx; + int b = subglyph->transform.yx > 0 ? subglyph->transform.yx + : -subglyph->transform.yx; + int c = subglyph->transform.xy > 0 ? subglyph->transform.xy + : -subglyph->transform.xy; + int d = subglyph->transform.yy > 0 ? subglyph->transform.yy + : -subglyph->transform.yy; + int m = a > b ? a : b; + int n = c > d ? c : d; + + + if ( a - b <= 33 && a - b >= -33 ) + m *= 2; + if ( c - d <= 33 && c - d >= -33 ) + n *= 2; + x = FT_MulFix( x, m ); + y = FT_MulFix( y, n ); + +#else /* 1 */ + + /*******************************************************************/ + /* */ + /* This algorithm is a guess and works much better than the above. */ + /* */ + FT_Fixed mac_xscale = FT_Hypot( subglyph->transform.xx, + subglyph->transform.xy ); + FT_Fixed mac_yscale = FT_Hypot( subglyph->transform.yy, + subglyph->transform.yx ); + + + x = FT_MulFix( x, mac_xscale ); + y = FT_MulFix( y, mac_yscale ); + +#endif /* 1 */ + + } + + if ( !( loader->load_flags & FT_LOAD_NO_SCALE ) ) + { + FT_Fixed x_scale = loader->size->metrics->x_scale; + FT_Fixed y_scale = loader->size->metrics->y_scale; + + + x = FT_MulFix( x, x_scale ); + y = FT_MulFix( y, y_scale ); + + if ( subglyph->flags & ROUND_XY_TO_GRID ) + { + TT_Face face = loader->face; + TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( face ); + + + if ( IS_HINTED( loader->load_flags ) ) + { + /* + * We round the horizontal offset only if there is hinting along + * the x axis; this corresponds to integer advance width values. + * + * Theoretically, a glyph's bytecode can toggle ClearType's + * `backward compatibility' mode, which would allow modification + * of the advance width. In reality, however, applications + * neither allow nor expect modified advance widths if sub-pixel + * rendering is active. + * + */ + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_35 ) + x = FT_PIX_ROUND( x ); + + y = FT_PIX_ROUND( y ); + } + } + } + } + + if ( x || y ) + FT_Outline_Translate( ¤t, x, y ); + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Process_Composite_Glyph */ + /* */ + /* <Description> */ + /* This is slightly different from TT_Process_Simple_Glyph, in that */ + /* its sole purpose is to hint the glyph. Thus this function is */ + /* only available when bytecode interpreter is enabled. */ + /* */ + static FT_Error + TT_Process_Composite_Glyph( TT_Loader loader, + FT_UInt start_point, + FT_UInt start_contour ) + { + FT_Error error; + FT_Outline* outline; + FT_UInt i; + + + outline = &loader->gloader->base.outline; + + /* make room for phantom points */ + error = FT_GLYPHLOADER_CHECK_POINTS( loader->gloader, + outline->n_points + 4, + 0 ); + if ( error ) + return error; + + outline->points[outline->n_points ] = loader->pp1; + outline->points[outline->n_points + 1] = loader->pp2; + outline->points[outline->n_points + 2] = loader->pp3; + outline->points[outline->n_points + 3] = loader->pp4; + + outline->tags[outline->n_points ] = 0; + outline->tags[outline->n_points + 1] = 0; + outline->tags[outline->n_points + 2] = 0; + outline->tags[outline->n_points + 3] = 0; + +#ifdef TT_USE_BYTECODE_INTERPRETER + + { + FT_Stream stream = loader->stream; + FT_UShort n_ins, max_ins; + FT_ULong tmp; + + + /* TT_Load_Composite_Glyph only gives us the offset of instructions */ + /* so we read them here */ + if ( FT_STREAM_SEEK( loader->ins_pos ) || + FT_READ_USHORT( n_ins ) ) + return error; + + FT_TRACE5(( " Instructions size = %d\n", n_ins )); + + /* check it */ + max_ins = loader->face->max_profile.maxSizeOfInstructions; + if ( n_ins > max_ins ) + { + /* don't trust `maxSizeOfInstructions'; */ + /* only do a rough safety check */ + if ( (FT_Int)n_ins > loader->byte_len ) + { + FT_TRACE1(( "TT_Process_Composite_Glyph:" + " too many instructions (%d) for glyph with length %d\n", + n_ins, loader->byte_len )); + return FT_THROW( Too_Many_Hints ); + } + + tmp = loader->exec->glyphSize; + error = Update_Max( loader->exec->memory, + &tmp, + sizeof ( FT_Byte ), + (void*)&loader->exec->glyphIns, + n_ins ); + + loader->exec->glyphSize = (FT_UShort)tmp; + if ( error ) + return error; + } + else if ( n_ins == 0 ) + return FT_Err_Ok; + + if ( FT_STREAM_READ( loader->exec->glyphIns, n_ins ) ) + return error; + + loader->glyph->control_data = loader->exec->glyphIns; + loader->glyph->control_len = n_ins; + } + +#endif + + tt_prepare_zone( &loader->zone, &loader->gloader->base, + start_point, start_contour ); + + /* Some points are likely touched during execution of */ + /* instructions on components. So let's untouch them. */ + for ( i = 0; i < loader->zone.n_points; i++ ) + loader->zone.tags[i] &= ~FT_CURVE_TAG_TOUCH_BOTH; + + loader->zone.n_points += 4; + + return TT_Hint_Glyph( loader, 1 ); + } + + + /* + * Calculate the phantom points + * + * Defining the right side bearing (rsb) as + * + * rsb = aw - (lsb + xmax - xmin) + * + * (with `aw' the advance width, `lsb' the left side bearing, and `xmin' + * and `xmax' the glyph's minimum and maximum x value), the OpenType + * specification defines the initial position of horizontal phantom points + * as + * + * pp1 = (round(xmin - lsb), 0) , + * pp2 = (round(pp1 + aw), 0) . + * + * Note that the rounding to the grid (in the device space) is not + * documented currently in the specification. + * + * However, the specification lacks the precise definition of vertical + * phantom points. Greg Hitchcock provided the following explanation. + * + * - a `vmtx' table is present + * + * For any glyph, the minimum and maximum y values (`ymin' and `ymax') + * are given in the `glyf' table, the top side bearing (tsb) and advance + * height (ah) are given in the `vmtx' table. The bottom side bearing + * (bsb) is then calculated as + * + * bsb = ah - (tsb + ymax - ymin) , + * + * and the initial position of vertical phantom points is + * + * pp3 = (x, round(ymax + tsb)) , + * pp4 = (x, round(pp3 - ah)) . + * + * See below for value `x'. + * + * - no `vmtx' table in the font + * + * If there is an `OS/2' table, we set + * + * DefaultAscender = sTypoAscender , + * DefaultDescender = sTypoDescender , + * + * otherwise we use data from the `hhea' table: + * + * DefaultAscender = Ascender , + * DefaultDescender = Descender . + * + * With these two variables we can now set + * + * ah = DefaultAscender - sDefaultDescender , + * tsb = DefaultAscender - yMax , + * + * and proceed as if a `vmtx' table was present. + * + * Usually we have + * + * x = aw / 2 , (1) + * + * but there is one compatibility case where it can be set to + * + * x = -DefaultDescender - + * ((DefaultAscender - DefaultDescender - aw) / 2) . (2) + * + * and another one with + * + * x = 0 . (3) + * + * In Windows, the history of those values is quite complicated, + * depending on the hinting engine (that is, the graphics framework). + * + * framework from to formula + * ---------------------------------------------------------- + * GDI Windows 98 current (1) + * (Windows 2000 for NT) + * GDI+ Windows XP Windows 7 (2) + * GDI+ Windows 8 current (3) + * DWrite Windows 7 current (3) + * + * For simplicity, FreeType uses (1) for grayscale subpixel hinting and + * (3) for everything else. + * + */ + static void + tt_loader_set_pp( TT_Loader loader ) + { + FT_Bool subpixel_hinting = 0; + FT_Bool grayscale = 0; + FT_Bool use_aw_2 = 0; + +#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING + TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( loader->face ); +#endif + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_38 ) + { + subpixel_hinting = loader->exec ? loader->exec->subpixel_hinting + : 0; + grayscale = loader->exec ? loader->exec->grayscale + : 0; + } +#endif +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_40 ) + { + subpixel_hinting = loader->exec ? loader->exec->subpixel_hinting_lean + : 0; + grayscale = loader->exec ? loader->exec->grayscale_cleartype + : 0; + } +#endif + + use_aw_2 = (FT_Bool)( subpixel_hinting && grayscale ); + + loader->pp1.x = loader->bbox.xMin - loader->left_bearing; + loader->pp1.y = 0; + loader->pp2.x = loader->pp1.x + loader->advance; + loader->pp2.y = 0; + + loader->pp3.x = use_aw_2 ? loader->advance / 2 : 0; + loader->pp3.y = loader->bbox.yMax + loader->top_bearing; + loader->pp4.x = use_aw_2 ? loader->advance / 2 : 0; + loader->pp4.y = loader->pp3.y - loader->vadvance; + } + + + /* a utility function to retrieve i-th node from given FT_List */ + static FT_ListNode + ft_list_get_node_at( FT_List list, + FT_UInt idx ) + { + FT_ListNode cur; + + + if ( !list ) + return NULL; + + for ( cur = list->head; cur; cur = cur->next ) + { + if ( !idx ) + return cur; + + idx--; + } + + return NULL; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* load_truetype_glyph */ + /* */ + /* <Description> */ + /* Loads a given truetype glyph. Handles composites and uses a */ + /* TT_Loader object. */ + /* */ + static FT_Error + load_truetype_glyph( TT_Loader loader, + FT_UInt glyph_index, + FT_UInt recurse_count, + FT_Bool header_only ) + { + FT_Error error = FT_Err_Ok; + FT_Fixed x_scale, y_scale; + FT_ULong offset; + TT_Face face = loader->face; + FT_GlyphLoader gloader = loader->gloader; + FT_Bool opened_frame = 0; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + FT_StreamRec inc_stream; + FT_Data glyph_data; + FT_Bool glyph_data_loaded = 0; +#endif + + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( recurse_count ) + FT_TRACE5(( " nesting level: %d\n", recurse_count )); +#endif + + /* some fonts have an incorrect value of `maxComponentDepth' */ + if ( recurse_count > face->max_profile.maxComponentDepth ) + { + FT_TRACE1(( "load_truetype_glyph: maxComponentDepth set to %d\n", + recurse_count )); + face->max_profile.maxComponentDepth = (FT_UShort)recurse_count; + } + +#ifndef FT_CONFIG_OPTION_INCREMENTAL + /* check glyph index */ + if ( glyph_index >= (FT_UInt)face->root.num_glyphs ) + { + error = FT_THROW( Invalid_Glyph_Index ); + goto Exit; + } +#endif + + loader->glyph_index = glyph_index; + + if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 ) + { + x_scale = loader->size->metrics->x_scale; + y_scale = loader->size->metrics->y_scale; + } + else + { + x_scale = 0x10000L; + y_scale = 0x10000L; + } + + /* Set `offset' to the start of the glyph relative to the start of */ + /* the `glyf' table, and `byte_len' to the length of the glyph in */ + /* bytes. */ + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + + /* If we are loading glyph data via the incremental interface, set */ + /* the loader stream to a memory stream reading the data returned */ + /* by the interface. */ + if ( face->root.internal->incremental_interface ) + { + error = face->root.internal->incremental_interface->funcs->get_glyph_data( + face->root.internal->incremental_interface->object, + glyph_index, &glyph_data ); + if ( error ) + goto Exit; + + glyph_data_loaded = 1; + offset = 0; + loader->byte_len = glyph_data.length; + + FT_ZERO( &inc_stream ); + FT_Stream_OpenMemory( &inc_stream, + glyph_data.pointer, + (FT_ULong)glyph_data.length ); + + loader->stream = &inc_stream; + } + else + +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + offset = tt_face_get_location( face, glyph_index, + (FT_UInt*)&loader->byte_len ); + + if ( loader->byte_len > 0 ) + { +#ifdef FT_CONFIG_OPTION_INCREMENTAL + /* for the incremental interface, `glyf_offset' is always zero */ + if ( !face->glyf_offset && + !face->root.internal->incremental_interface ) +#else + if ( !face->glyf_offset ) +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + { + FT_TRACE2(( "no `glyf' table but non-zero `loca' entry\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + error = face->access_glyph_frame( loader, glyph_index, + face->glyf_offset + offset, + (FT_UInt)loader->byte_len ); + if ( error ) + goto Exit; + + opened_frame = 1; + + /* read glyph header first */ + error = face->read_glyph_header( loader ); + if ( error ) + goto Exit; + + /* the metrics must be computed after loading the glyph header */ + /* since we need the glyph's `yMax' value in case the vertical */ + /* metrics must be emulated */ + error = tt_get_metrics( loader, glyph_index ); + if ( error ) + goto Exit; + + if ( header_only ) + goto Exit; + } + + if ( loader->byte_len == 0 || loader->n_contours == 0 ) + { + loader->bbox.xMin = 0; + loader->bbox.xMax = 0; + loader->bbox.yMin = 0; + loader->bbox.yMax = 0; + + error = tt_get_metrics( loader, glyph_index ); + if ( error ) + goto Exit; + + if ( header_only ) + goto Exit; + + /* must initialize points before (possibly) overriding */ + /* glyph metrics from the incremental interface */ + tt_loader_set_pp( loader ); + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + tt_get_metrics_incr_overrides( loader, glyph_index ); +#endif + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + if ( FT_IS_NAMED_INSTANCE( FT_FACE( face ) ) || + FT_IS_VARIATION( FT_FACE( face ) ) ) + { + /* a small outline structure with four elements for */ + /* communication with `TT_Vary_Apply_Glyph_Deltas' */ + FT_Vector points[4]; + char tags[4] = { 1, 1, 1, 1 }; + short contours[4] = { 0, 1, 2, 3 }; + FT_Outline outline; + + + points[0].x = loader->pp1.x; + points[0].y = loader->pp1.y; + points[1].x = loader->pp2.x; + points[1].y = loader->pp2.y; + + points[2].x = loader->pp3.x; + points[2].y = loader->pp3.y; + points[3].x = loader->pp4.x; + points[3].y = loader->pp4.y; + + outline.n_points = 4; + outline.n_contours = 4; + outline.points = points; + outline.tags = tags; + outline.contours = contours; + + /* this must be done before scaling */ + error = TT_Vary_Apply_Glyph_Deltas( loader->face, + glyph_index, + &outline, + (FT_UInt)outline.n_points ); + if ( error ) + goto Exit; + + loader->pp1.x = points[0].x; + loader->pp1.y = points[0].y; + loader->pp2.x = points[1].x; + loader->pp2.y = points[1].y; + + loader->pp3.x = points[2].x; + loader->pp3.y = points[2].y; + loader->pp4.x = points[3].x; + loader->pp4.y = points[3].y; + + + /* recalculate linear horizontal and vertical advances */ + /* if we don't have HVAR and VVAR, respectively */ + if ( !( loader->face->variation_support & TT_FACE_FLAG_VAR_HADVANCE ) ) + loader->linear = loader->pp2.x - loader->pp1.x; + if ( !( loader->face->variation_support & TT_FACE_FLAG_VAR_VADVANCE ) ) + loader->vadvance = loader->pp4.x - loader->pp3.x; + } + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + /* scale phantom points, if necessary; */ + /* they get rounded in `TT_Hint_Glyph' */ + if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 ) + { + loader->pp1.x = FT_MulFix( loader->pp1.x, x_scale ); + loader->pp2.x = FT_MulFix( loader->pp2.x, x_scale ); + /* pp1.y and pp2.y are always zero */ + + loader->pp3.x = FT_MulFix( loader->pp3.x, x_scale ); + loader->pp3.y = FT_MulFix( loader->pp3.y, y_scale ); + loader->pp4.x = FT_MulFix( loader->pp4.x, x_scale ); + loader->pp4.y = FT_MulFix( loader->pp4.y, y_scale ); + } + + error = FT_Err_Ok; + goto Exit; + } + + /* must initialize phantom points before (possibly) overriding */ + /* glyph metrics from the incremental interface */ + tt_loader_set_pp( loader ); + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + tt_get_metrics_incr_overrides( loader, glyph_index ); +#endif + + /***********************************************************************/ + /***********************************************************************/ + /***********************************************************************/ + + /* if it is a simple glyph, load it */ + + if ( loader->n_contours > 0 ) + { + error = face->read_simple_glyph( loader ); + if ( error ) + goto Exit; + + /* all data have been read */ + face->forget_glyph_frame( loader ); + opened_frame = 0; + + error = TT_Process_Simple_Glyph( loader ); + if ( error ) + goto Exit; + + FT_GlyphLoader_Add( gloader ); + } + + /***********************************************************************/ + /***********************************************************************/ + /***********************************************************************/ + + /* otherwise, load a composite! */ + else if ( loader->n_contours < 0 ) + { + FT_Memory memory = face->root.memory; + + FT_UInt start_point; + FT_UInt start_contour; + FT_ULong ins_pos; /* position of composite instructions, if any */ + + FT_ListNode node, node2; + + + /* normalize the `n_contours' value */ + loader->n_contours = -1; + + /* + * We store the glyph index directly in the `node->data' pointer, + * following the glib solution (cf. macro `GUINT_TO_POINTER') with a + * double cast to make this portable. Note, however, that this needs + * pointers with a width of at least 32 bits. + */ + + + /* clear the nodes filled by sibling chains */ + node = ft_list_get_node_at( &loader->composites, recurse_count ); + for ( node2 = node; node2; node2 = node2->next ) + node2->data = (void*)FT_ULONG_MAX; + + /* check whether we already have a composite glyph with this index */ + if ( FT_List_Find( &loader->composites, + FT_UINT_TO_POINTER( glyph_index ) ) ) + { + FT_TRACE1(( "TT_Load_Composite_Glyph:" + " infinite recursion detected\n" )); + error = FT_THROW( Invalid_Composite ); + goto Exit; + } + + else if ( node ) + node->data = FT_UINT_TO_POINTER( glyph_index ); + + else + { + if ( FT_NEW( node ) ) + goto Exit; + node->data = FT_UINT_TO_POINTER( glyph_index ); + FT_List_Add( &loader->composites, node ); + } + + start_point = (FT_UInt)gloader->base.outline.n_points; + start_contour = (FT_UInt)gloader->base.outline.n_contours; + + /* for each subglyph, read composite header */ + error = face->read_composite_glyph( loader ); + if ( error ) + goto Exit; + + /* store the offset of instructions */ + ins_pos = loader->ins_pos; + + /* all data we need are read */ + face->forget_glyph_frame( loader ); + opened_frame = 0; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + if ( FT_IS_NAMED_INSTANCE( FT_FACE( face ) ) || + FT_IS_VARIATION( FT_FACE( face ) ) ) + { + short i, limit; + FT_SubGlyph subglyph; + + FT_Outline outline; + FT_Vector* points = NULL; + char* tags = NULL; + short* contours = NULL; + + + limit = (short)gloader->current.num_subglyphs; + + /* construct an outline structure for */ + /* communication with `TT_Vary_Apply_Glyph_Deltas' */ + outline.n_points = (short)( gloader->current.num_subglyphs + 4 ); + outline.n_contours = outline.n_points; + + outline.points = NULL; + outline.tags = NULL; + outline.contours = NULL; + + if ( FT_NEW_ARRAY( points, outline.n_points ) || + FT_NEW_ARRAY( tags, outline.n_points ) || + FT_NEW_ARRAY( contours, outline.n_points ) ) + goto Exit1; + + subglyph = gloader->current.subglyphs; + + for ( i = 0; i < limit; i++, subglyph++ ) + { + /* applying deltas for anchor points doesn't make sense, */ + /* but we don't have to specially check this since */ + /* unused delta values are zero anyways */ + points[i].x = subglyph->arg1; + points[i].y = subglyph->arg2; + tags[i] = 1; + contours[i] = i; + } + + points[i].x = loader->pp1.x; + points[i].y = loader->pp1.y; + tags[i] = 1; + contours[i] = i; + + i++; + points[i].x = loader->pp2.x; + points[i].y = loader->pp2.y; + tags[i] = 1; + contours[i] = i; + + i++; + points[i].x = loader->pp3.x; + points[i].y = loader->pp3.y; + tags[i] = 1; + contours[i] = i; + + i++; + points[i].x = loader->pp4.x; + points[i].y = loader->pp4.y; + tags[i] = 1; + contours[i] = i; + + outline.points = points; + outline.tags = tags; + outline.contours = contours; + + /* this call provides additional offsets */ + /* for each component's translation */ + if ( FT_SET_ERROR( TT_Vary_Apply_Glyph_Deltas( + face, + glyph_index, + &outline, + (FT_UInt)outline.n_points ) ) ) + goto Exit1; + + subglyph = gloader->current.subglyphs; + + for ( i = 0; i < limit; i++, subglyph++ ) + { + if ( subglyph->flags & ARGS_ARE_XY_VALUES ) + { + subglyph->arg1 = (FT_Int16)points[i].x; + subglyph->arg2 = (FT_Int16)points[i].y; + } + } + + loader->pp1.x = points[i + 0].x; + loader->pp1.y = points[i + 0].y; + loader->pp2.x = points[i + 1].x; + loader->pp2.y = points[i + 1].y; + + loader->pp3.x = points[i + 2].x; + loader->pp3.y = points[i + 2].y; + loader->pp4.x = points[i + 3].x; + loader->pp4.y = points[i + 3].y; + + /* recalculate linear horizontal and vertical advances */ + /* if we don't have HVAR and VVAR, respectively */ + if ( !( face->variation_support & TT_FACE_FLAG_VAR_HADVANCE ) ) + loader->linear = loader->pp2.x - loader->pp1.x; + if ( !( face->variation_support & TT_FACE_FLAG_VAR_VADVANCE ) ) + loader->vadvance = loader->pp4.x - loader->pp3.x; + + Exit1: + FT_FREE( outline.points ); + FT_FREE( outline.tags ); + FT_FREE( outline.contours ); + + if ( error ) + goto Exit; + } + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + /* scale phantom points, if necessary; */ + /* they get rounded in `TT_Hint_Glyph' */ + if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 ) + { + loader->pp1.x = FT_MulFix( loader->pp1.x, x_scale ); + loader->pp2.x = FT_MulFix( loader->pp2.x, x_scale ); + /* pp1.y and pp2.y are always zero */ + + loader->pp3.x = FT_MulFix( loader->pp3.x, x_scale ); + loader->pp3.y = FT_MulFix( loader->pp3.y, y_scale ); + loader->pp4.x = FT_MulFix( loader->pp4.x, x_scale ); + loader->pp4.y = FT_MulFix( loader->pp4.y, y_scale ); + } + + /* if the flag FT_LOAD_NO_RECURSE is set, we return the subglyph */ + /* `as is' in the glyph slot (the client application will be */ + /* responsible for interpreting these data)... */ + if ( loader->load_flags & FT_LOAD_NO_RECURSE ) + { + FT_GlyphLoader_Add( gloader ); + loader->glyph->format = FT_GLYPH_FORMAT_COMPOSITE; + + goto Exit; + } + + /*********************************************************************/ + /*********************************************************************/ + /*********************************************************************/ + + { + FT_UInt n, num_base_points; + FT_SubGlyph subglyph = NULL; + + FT_UInt num_points = start_point; + FT_UInt num_subglyphs = gloader->current.num_subglyphs; + FT_UInt num_base_subgs = gloader->base.num_subglyphs; + + FT_Stream old_stream = loader->stream; + FT_Int old_byte_len = loader->byte_len; + + + FT_GlyphLoader_Add( gloader ); + + /* read each subglyph independently */ + for ( n = 0; n < num_subglyphs; n++ ) + { + FT_Vector pp[4]; + + FT_Int linear_hadvance; + FT_Int linear_vadvance; + + + /* Each time we call load_truetype_glyph in this loop, the */ + /* value of `gloader.base.subglyphs' can change due to table */ + /* reallocations. We thus need to recompute the subglyph */ + /* pointer on each iteration. */ + subglyph = gloader->base.subglyphs + num_base_subgs + n; + + pp[0] = loader->pp1; + pp[1] = loader->pp2; + pp[2] = loader->pp3; + pp[3] = loader->pp4; + + linear_hadvance = loader->linear; + linear_vadvance = loader->vadvance; + + num_base_points = (FT_UInt)gloader->base.outline.n_points; + + error = load_truetype_glyph( loader, + (FT_UInt)subglyph->index, + recurse_count + 1, + FALSE ); + if ( error ) + goto Exit; + + /* restore subglyph pointer */ + subglyph = gloader->base.subglyphs + num_base_subgs + n; + + /* restore phantom points if necessary */ + if ( !( subglyph->flags & USE_MY_METRICS ) ) + { + loader->pp1 = pp[0]; + loader->pp2 = pp[1]; + loader->pp3 = pp[2]; + loader->pp4 = pp[3]; + + loader->linear = linear_hadvance; + loader->vadvance = linear_vadvance; + } + + num_points = (FT_UInt)gloader->base.outline.n_points; + + if ( num_points == num_base_points ) + continue; + + /* gloader->base.outline consists of three parts: */ + /* 0 -(1)-> start_point -(2)-> num_base_points -(3)-> n_points. */ + /* */ + /* (1): exists from the beginning */ + /* (2): components that have been loaded so far */ + /* (3): the newly loaded component */ + error = TT_Process_Composite_Component( loader, + subglyph, + start_point, + num_base_points ); + if ( error ) + goto Exit; + } + + loader->stream = old_stream; + loader->byte_len = old_byte_len; + + /* process the glyph */ + loader->ins_pos = ins_pos; + if ( IS_HINTED( loader->load_flags ) && +#ifdef TT_USE_BYTECODE_INTERPRETER + subglyph->flags & WE_HAVE_INSTR && +#endif + num_points > start_point ) + { + error = TT_Process_Composite_Glyph( loader, + start_point, + start_contour ); + if ( error ) + goto Exit; + } + } + } + + /***********************************************************************/ + /***********************************************************************/ + /***********************************************************************/ + + Exit: + + if ( opened_frame ) + face->forget_glyph_frame( loader ); + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + + if ( glyph_data_loaded ) + face->root.internal->incremental_interface->funcs->free_glyph_data( + face->root.internal->incremental_interface->object, + &glyph_data ); + +#endif + + return error; + } + + + static FT_Error + compute_glyph_metrics( TT_Loader loader, + FT_UInt glyph_index ) + { + TT_Face face = loader->face; +#if defined TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY || \ + defined TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( face ); +#endif + + FT_BBox bbox; + FT_Fixed y_scale; + TT_GlyphSlot glyph = loader->glyph; + TT_Size size = loader->size; + + + y_scale = 0x10000L; + if ( ( loader->load_flags & FT_LOAD_NO_SCALE ) == 0 ) + y_scale = size->metrics->y_scale; + + if ( glyph->format != FT_GLYPH_FORMAT_COMPOSITE ) + FT_Outline_Get_CBox( &glyph->outline, &bbox ); + else + bbox = loader->bbox; + + /* get the device-independent horizontal advance; it is scaled later */ + /* by the base layer. */ + glyph->linearHoriAdvance = loader->linear; + + glyph->metrics.horiBearingX = bbox.xMin; + glyph->metrics.horiBearingY = bbox.yMax; + glyph->metrics.horiAdvance = loader->pp2.x - loader->pp1.x; + + /* Adjust advance width to the value contained in the hdmx table */ + /* unless FT_LOAD_COMPUTE_METRICS is set or backward compatibility */ + /* mode of the v40 interpreter is active. See `ttinterp.h' for */ + /* details on backward compatibility mode. */ + if ( +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + !( driver->interpreter_version == TT_INTERPRETER_VERSION_40 && + ( loader->exec && loader->exec->backward_compatibility ) ) && +#endif + !face->postscript.isFixedPitch && + IS_HINTED( loader->load_flags ) && + !( loader->load_flags & FT_LOAD_COMPUTE_METRICS ) ) + { + FT_Byte* widthp; + + + widthp = tt_face_get_device_metrics( face, + size->metrics->x_ppem, + glyph_index ); + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_38 ) + { + FT_Bool ignore_x_mode; + + + ignore_x_mode = FT_BOOL( FT_LOAD_TARGET_MODE( loader->load_flags ) != + FT_RENDER_MODE_MONO ); + + if ( widthp && + ( ( ignore_x_mode && loader->exec->compatible_widths ) || + !ignore_x_mode || + SPH_OPTION_BITMAP_WIDTHS ) ) + glyph->metrics.horiAdvance = *widthp * 64; + } + else + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + { + if ( widthp ) + glyph->metrics.horiAdvance = *widthp * 64; + } + } + + /* set glyph dimensions */ + glyph->metrics.width = SUB_LONG( bbox.xMax, bbox.xMin ); + glyph->metrics.height = SUB_LONG( bbox.yMax, bbox.yMin ); + + /* Now take care of vertical metrics. In the case where there is */ + /* no vertical information within the font (relatively common), */ + /* create some metrics manually */ + { + FT_Pos top; /* scaled vertical top side bearing */ + FT_Pos advance; /* scaled vertical advance height */ + + + /* Get the unscaled top bearing and advance height. */ + if ( face->vertical_info && + face->vertical.number_Of_VMetrics > 0 ) + { + top = (FT_Short)FT_DivFix( loader->pp3.y - bbox.yMax, + y_scale ); + + if ( loader->pp3.y <= loader->pp4.y ) + advance = 0; + else + advance = (FT_UShort)FT_DivFix( loader->pp3.y - loader->pp4.y, + y_scale ); + } + else + { + FT_Pos height; + + + /* XXX Compute top side bearing and advance height in */ + /* Get_VMetrics instead of here. */ + + /* NOTE: The OS/2 values are the only `portable' ones, */ + /* which is why we use them, if there is an OS/2 */ + /* table in the font. Otherwise, we use the */ + /* values defined in the horizontal header. */ + + height = (FT_Short)FT_DivFix( SUB_LONG( bbox.yMax, + bbox.yMin ), + y_scale ); + if ( face->os2.version != 0xFFFFU ) + advance = (FT_Pos)( face->os2.sTypoAscender - + face->os2.sTypoDescender ); + else + advance = (FT_Pos)( face->horizontal.Ascender - + face->horizontal.Descender ); + + top = ( advance - height ) / 2; + } + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + { + FT_Incremental_InterfaceRec* incr; + FT_Incremental_MetricsRec incr_metrics; + FT_Error error; + + + incr = face->root.internal->incremental_interface; + + /* If this is an incrementally loaded font see if there are */ + /* overriding metrics for this glyph. */ + if ( incr && incr->funcs->get_glyph_metrics ) + { + incr_metrics.bearing_x = 0; + incr_metrics.bearing_y = top; + incr_metrics.advance = advance; + + error = incr->funcs->get_glyph_metrics( incr->object, + glyph_index, + TRUE, + &incr_metrics ); + if ( error ) + return error; + + top = incr_metrics.bearing_y; + advance = incr_metrics.advance; + } + } + + /* GWW: Do vertical metrics get loaded incrementally too? */ + +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + glyph->linearVertAdvance = advance; + + /* scale the metrics */ + if ( !( loader->load_flags & FT_LOAD_NO_SCALE ) ) + { + top = FT_MulFix( top, y_scale ); + advance = FT_MulFix( advance, y_scale ); + } + + /* XXX: for now, we have no better algorithm for the lsb, but it */ + /* should work fine. */ + /* */ + glyph->metrics.vertBearingX = glyph->metrics.horiBearingX - + glyph->metrics.horiAdvance / 2; + glyph->metrics.vertBearingY = top; + glyph->metrics.vertAdvance = advance; + } + + return 0; + } + + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + static FT_Error + load_sbit_image( TT_Size size, + TT_GlyphSlot glyph, + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + TT_Face face; + SFNT_Service sfnt; + FT_Stream stream; + FT_Error error; + TT_SBit_MetricsRec sbit_metrics; + + + face = (TT_Face)glyph->face; + sfnt = (SFNT_Service)face->sfnt; + stream = face->root.stream; + + error = sfnt->load_sbit_image( face, + size->strike_index, + glyph_index, + (FT_UInt)load_flags, + stream, + &glyph->bitmap, + &sbit_metrics ); + if ( !error ) + { + glyph->outline.n_points = 0; + glyph->outline.n_contours = 0; + + glyph->metrics.width = (FT_Pos)sbit_metrics.width * 64; + glyph->metrics.height = (FT_Pos)sbit_metrics.height * 64; + + glyph->metrics.horiBearingX = (FT_Pos)sbit_metrics.horiBearingX * 64; + glyph->metrics.horiBearingY = (FT_Pos)sbit_metrics.horiBearingY * 64; + glyph->metrics.horiAdvance = (FT_Pos)sbit_metrics.horiAdvance * 64; + + glyph->metrics.vertBearingX = (FT_Pos)sbit_metrics.vertBearingX * 64; + glyph->metrics.vertBearingY = (FT_Pos)sbit_metrics.vertBearingY * 64; + glyph->metrics.vertAdvance = (FT_Pos)sbit_metrics.vertAdvance * 64; + + glyph->format = FT_GLYPH_FORMAT_BITMAP; + + if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) + { + glyph->bitmap_left = sbit_metrics.vertBearingX; + glyph->bitmap_top = sbit_metrics.vertBearingY; + } + else + { + glyph->bitmap_left = sbit_metrics.horiBearingX; + glyph->bitmap_top = sbit_metrics.horiBearingY; + } + } + + return error; + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + + static FT_Error + tt_loader_init( TT_Loader loader, + TT_Size size, + TT_GlyphSlot glyph, + FT_Int32 load_flags, + FT_Bool glyf_table_only ) + { + TT_Face face; + FT_Stream stream; + +#ifdef TT_USE_BYTECODE_INTERPRETER + FT_Error error; + FT_Bool pedantic = FT_BOOL( load_flags & FT_LOAD_PEDANTIC ); +#if defined TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY || \ + defined TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( (TT_Face)glyph->face ); +#endif +#endif + + + face = (TT_Face)glyph->face; + stream = face->root.stream; + + FT_ZERO( loader ); + +#ifdef TT_USE_BYTECODE_INTERPRETER + + /* load execution context */ + if ( IS_HINTED( load_flags ) && !glyf_table_only ) + { + TT_ExecContext exec; + FT_Bool grayscale = TRUE; +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + FT_Bool subpixel_hinting_lean; + FT_Bool grayscale_cleartype; +#endif + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + FT_Bool subpixel_hinting = FALSE; + +#if 0 + /* not used yet */ + FT_Bool compatible_widths; + FT_Bool symmetrical_smoothing; + FT_Bool bgr; + FT_Bool vertical_lcd; + FT_Bool subpixel_positioned; + FT_Bool gray_cleartype; +#endif +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + FT_Bool reexecute = FALSE; + + + if ( size->bytecode_ready < 0 || size->cvt_ready < 0 ) + { + error = tt_size_ready_bytecode( size, pedantic ); + if ( error ) + return error; + } + else if ( size->bytecode_ready ) + return size->bytecode_ready; + else if ( size->cvt_ready ) + return size->cvt_ready; + + /* query new execution context */ + exec = size->context; + if ( !exec ) + return FT_THROW( Could_Not_Find_Context ); + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_40 ) + { + subpixel_hinting_lean = + FT_BOOL( FT_LOAD_TARGET_MODE( load_flags ) != + FT_RENDER_MODE_MONO ); + grayscale_cleartype = + FT_BOOL( subpixel_hinting_lean && + !( ( load_flags & + FT_LOAD_TARGET_LCD ) || + ( load_flags & + FT_LOAD_TARGET_LCD_V ) ) ); + exec->vertical_lcd_lean = + FT_BOOL( subpixel_hinting_lean && + ( load_flags & + FT_LOAD_TARGET_LCD_V ) ); + } + else + { + subpixel_hinting_lean = FALSE; + grayscale_cleartype = FALSE; + exec->vertical_lcd_lean = FALSE; + } +#endif + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_38 ) + { + subpixel_hinting = FT_BOOL( ( FT_LOAD_TARGET_MODE( load_flags ) != + FT_RENDER_MODE_MONO ) && + SPH_OPTION_SET_SUBPIXEL ); + + if ( subpixel_hinting ) + grayscale = FALSE; + else if ( SPH_OPTION_SET_GRAYSCALE ) + { + grayscale = TRUE; + subpixel_hinting = FALSE; + } + else + grayscale = FALSE; + + if ( FT_IS_TRICKY( glyph->face ) ) + subpixel_hinting = FALSE; + + exec->ignore_x_mode = subpixel_hinting || grayscale; + exec->rasterizer_version = SPH_OPTION_SET_RASTERIZER_VERSION; + if ( exec->sph_tweak_flags & SPH_TWEAK_RASTERIZER_35 ) + exec->rasterizer_version = TT_INTERPRETER_VERSION_35; + +#if 1 + exec->compatible_widths = SPH_OPTION_SET_COMPATIBLE_WIDTHS; + exec->symmetrical_smoothing = TRUE; + exec->bgr = FALSE; + exec->vertical_lcd = FALSE; + exec->subpixel_positioned = TRUE; + exec->gray_cleartype = FALSE; +#else /* 0 */ + exec->compatible_widths = + FT_BOOL( FT_LOAD_TARGET_MODE( load_flags ) != + TT_LOAD_COMPATIBLE_WIDTHS ); + exec->symmetrical_smoothing = + FT_BOOL( FT_LOAD_TARGET_MODE( load_flags ) != + TT_LOAD_SYMMETRICAL_SMOOTHING ); + exec->bgr = + FT_BOOL( FT_LOAD_TARGET_MODE( load_flags ) != + TT_LOAD_BGR ); + exec->vertical_lcd = + FT_BOOL( FT_LOAD_TARGET_MODE( load_flags ) != + TT_LOAD_VERTICAL_LCD ); + exec->subpixel_positioned = + FT_BOOL( FT_LOAD_TARGET_MODE( load_flags ) != + TT_LOAD_SUBPIXEL_POSITIONED ); + exec->gray_cleartype = + FT_BOOL( FT_LOAD_TARGET_MODE( load_flags ) != + TT_LOAD_GRAY_CLEARTYPE ); +#endif /* 0 */ + + } + else + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_40 ) + grayscale = FT_BOOL( !subpixel_hinting_lean && + FT_LOAD_TARGET_MODE( load_flags ) != + FT_RENDER_MODE_MONO ); + else +#endif + grayscale = FT_BOOL( FT_LOAD_TARGET_MODE( load_flags ) != + FT_RENDER_MODE_MONO ); + + error = TT_Load_Context( exec, face, size ); + if ( error ) + return error; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_38 ) + { + /* a change from mono to subpixel rendering (and vice versa) */ + /* requires a re-execution of the CVT program */ + if ( subpixel_hinting != exec->subpixel_hinting ) + { + FT_TRACE4(( "tt_loader_init: subpixel hinting change," + " re-executing `prep' table\n" )); + + exec->subpixel_hinting = subpixel_hinting; + reexecute = TRUE; + } + + /* a change from mono to grayscale rendering (and vice versa) */ + /* requires a re-execution of the CVT program */ + if ( grayscale != exec->grayscale ) + { + FT_TRACE4(( "tt_loader_init: grayscale hinting change," + " re-executing `prep' table\n" )); + + exec->grayscale = grayscale; + reexecute = TRUE; + } + } + else + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + { + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_40 ) + { + /* a change from mono to subpixel rendering (and vice versa) */ + /* requires a re-execution of the CVT program */ + if ( subpixel_hinting_lean != exec->subpixel_hinting_lean ) + { + FT_TRACE4(( "tt_loader_init: subpixel hinting change," + " re-executing `prep' table\n" )); + + exec->subpixel_hinting_lean = subpixel_hinting_lean; + reexecute = TRUE; + } + + /* a change from colored to grayscale subpixel rendering (and */ + /* vice versa) requires a re-execution of the CVT program */ + if ( grayscale_cleartype != exec->grayscale_cleartype ) + { + FT_TRACE4(( "tt_loader_init: grayscale subpixel hinting change," + " re-executing `prep' table\n" )); + + exec->grayscale_cleartype = grayscale_cleartype; + reexecute = TRUE; + } + } +#endif + + /* a change from mono to grayscale rendering (and vice versa) */ + /* requires a re-execution of the CVT program */ + if ( grayscale != exec->grayscale ) + { + FT_TRACE4(( "tt_loader_init: grayscale hinting change," + " re-executing `prep' table\n" )); + + exec->grayscale = grayscale; + reexecute = TRUE; + } + } + + if ( reexecute ) + { + FT_UInt i; + + + for ( i = 0; i < size->cvt_size; i++ ) + size->cvt[i] = FT_MulFix( face->cvt[i], size->ttmetrics.scale ); + error = tt_size_run_prep( size, pedantic ); + if ( error ) + return error; + } + + /* check whether the cvt program has disabled hinting */ + if ( exec->GS.instruct_control & 1 ) + load_flags |= FT_LOAD_NO_HINTING; + + /* load default graphics state -- if needed */ + if ( exec->GS.instruct_control & 2 ) + exec->GS = tt_default_graphics_state; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* check whether we have a font hinted for ClearType -- */ + /* note that this flag can also be modified in a glyph's bytecode */ + if ( driver->interpreter_version == TT_INTERPRETER_VERSION_38 && + exec->GS.instruct_control & 4 ) + exec->ignore_x_mode = 0; +#endif + + exec->pedantic_hinting = FT_BOOL( load_flags & FT_LOAD_PEDANTIC ); + loader->exec = exec; + loader->instructions = exec->glyphIns; + } + +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + /* get face's glyph loader */ + if ( !glyf_table_only ) + { + FT_GlyphLoader gloader = glyph->internal->loader; + + + FT_GlyphLoader_Rewind( gloader ); + loader->gloader = gloader; + } + + loader->load_flags = (FT_ULong)load_flags; + + loader->face = face; + loader->size = size; + loader->glyph = (FT_GlyphSlot)glyph; + loader->stream = stream; + + loader->composites.head = NULL; + loader->composites.tail = NULL; + + return FT_Err_Ok; + } + + + static void + tt_loader_done( TT_Loader loader ) + { + FT_List_Finalize( &loader->composites, + NULL, + loader->face->root.memory, + NULL ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Load_Glyph */ + /* */ + /* <Description> */ + /* A function used to load a single glyph within a given glyph slot, */ + /* for a given size. */ + /* */ + /* <Input> */ + /* glyph :: A handle to a target slot object where the glyph */ + /* will be loaded. */ + /* */ + /* size :: A handle to the source face size at which the glyph */ + /* must be scaled/loaded. */ + /* */ + /* glyph_index :: The index of the glyph in the font file. */ + /* */ + /* load_flags :: A flag indicating what to load for this glyph. The */ + /* FT_LOAD_XXX constants can be used to control the */ + /* glyph loading process (e.g., whether the outline */ + /* should be scaled, whether to load bitmaps or not, */ + /* whether to hint the outline, etc). */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Load_Glyph( TT_Size size, + TT_GlyphSlot glyph, + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + FT_Error error; + TT_LoaderRec loader; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#define IS_DEFAULT_INSTANCE ( !( FT_IS_NAMED_INSTANCE( glyph->face ) || \ + FT_IS_VARIATION( glyph->face ) ) ) +#else +#define IS_DEFAULT_INSTANCE 1 +#endif + + + FT_TRACE1(( "TT_Load_Glyph: glyph index %d\n", glyph_index )); + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + /* try to load embedded bitmap (if any) */ + if ( size->strike_index != 0xFFFFFFFFUL && + ( load_flags & FT_LOAD_NO_BITMAP ) == 0 && + IS_DEFAULT_INSTANCE ) + { + error = load_sbit_image( size, glyph, glyph_index, load_flags ); + if ( FT_ERR_EQ( error, Missing_Bitmap ) ) + { + /* the bitmap strike is incomplete and misses the requested glyph; */ + /* if we have a bitmap-only font, return an empty glyph */ + if ( !FT_IS_SCALABLE( glyph->face ) ) + { + TT_Face face = (TT_Face)glyph->face; + FT_Short left_bearing = 0, top_bearing = 0; + FT_UShort advance_width = 0, advance_height = 0; + + + /* to return an empty glyph, however, we need metrics data */ + /* from the `hmtx' (or `vmtx') table; the assumption is that */ + /* empty glyphs are missing intentionally, representing */ + /* whitespace - not having at least horizontal metrics is */ + /* thus considered an error */ + if ( !face->horz_metrics_size ) + return error; + + /* we now construct an empty bitmap glyph */ + TT_Get_HMetrics( face, glyph_index, + &left_bearing, + &advance_width ); + TT_Get_VMetrics( face, glyph_index, + 0, + &top_bearing, + &advance_height ); + + glyph->outline.n_points = 0; + glyph->outline.n_contours = 0; + + glyph->metrics.width = 0; + glyph->metrics.height = 0; + + glyph->metrics.horiBearingX = left_bearing; + glyph->metrics.horiBearingY = 0; + glyph->metrics.horiAdvance = advance_width; + + glyph->metrics.vertBearingX = 0; + glyph->metrics.vertBearingY = top_bearing; + glyph->metrics.vertAdvance = advance_height; + + glyph->format = FT_GLYPH_FORMAT_BITMAP; + glyph->bitmap.pixel_mode = FT_PIXEL_MODE_MONO; + + glyph->bitmap_left = 0; + glyph->bitmap_top = 0; + + return FT_Err_Ok; + } + } + else if ( error ) + { + /* return error if font is not scalable */ + if ( !FT_IS_SCALABLE( glyph->face ) ) + return error; + } + else + { + if ( FT_IS_SCALABLE( glyph->face ) ) + { + /* for the bbox we need the header only */ + (void)tt_loader_init( &loader, size, glyph, load_flags, TRUE ); + (void)load_truetype_glyph( &loader, glyph_index, 0, TRUE ); + tt_loader_done( &loader ); + glyph->linearHoriAdvance = loader.linear; + glyph->linearVertAdvance = loader.vadvance; + + /* sanity checks: if `xxxAdvance' in the sbit metric */ + /* structure isn't set, use `linearXXXAdvance' */ + if ( !glyph->metrics.horiAdvance && glyph->linearHoriAdvance ) + glyph->metrics.horiAdvance = + FT_MulFix( glyph->linearHoriAdvance, + size->metrics->x_scale ); + if ( !glyph->metrics.vertAdvance && glyph->linearVertAdvance ) + glyph->metrics.vertAdvance = + FT_MulFix( glyph->linearVertAdvance, + size->metrics->y_scale ); + } + + return FT_Err_Ok; + } + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + /* if FT_LOAD_NO_SCALE is not set, `ttmetrics' must be valid */ + if ( !( load_flags & FT_LOAD_NO_SCALE ) && !size->ttmetrics.valid ) + { + error = FT_THROW( Invalid_Size_Handle ); + goto Exit; + } + + if ( load_flags & FT_LOAD_SBITS_ONLY ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + error = tt_loader_init( &loader, size, glyph, load_flags, FALSE ); + if ( error ) + goto Exit; + + glyph->format = FT_GLYPH_FORMAT_OUTLINE; + glyph->num_subglyphs = 0; + glyph->outline.flags = 0; + + /* main loading loop */ + error = load_truetype_glyph( &loader, glyph_index, 0, FALSE ); + if ( !error ) + { + if ( glyph->format == FT_GLYPH_FORMAT_COMPOSITE ) + { + glyph->num_subglyphs = loader.gloader->base.num_subglyphs; + glyph->subglyphs = loader.gloader->base.subglyphs; + } + else + { + glyph->outline = loader.gloader->base.outline; + glyph->outline.flags &= ~FT_OUTLINE_SINGLE_PASS; + + /* Translate array so that (0,0) is the glyph's origin. Note */ + /* that this behaviour is independent on the value of bit 1 of */ + /* the `flags' field in the `head' table -- at least major */ + /* applications like Acroread indicate that. */ + if ( loader.pp1.x ) + FT_Outline_Translate( &glyph->outline, -loader.pp1.x, 0 ); + } + +#ifdef TT_USE_BYTECODE_INTERPRETER + + if ( IS_HINTED( load_flags ) ) + { + if ( loader.exec->GS.scan_control ) + { + /* convert scan conversion mode to FT_OUTLINE_XXX flags */ + switch ( loader.exec->GS.scan_type ) + { + case 0: /* simple drop-outs including stubs */ + glyph->outline.flags |= FT_OUTLINE_INCLUDE_STUBS; + break; + case 1: /* simple drop-outs excluding stubs */ + /* nothing; it's the default rendering mode */ + break; + case 4: /* smart drop-outs including stubs */ + glyph->outline.flags |= FT_OUTLINE_SMART_DROPOUTS | + FT_OUTLINE_INCLUDE_STUBS; + break; + case 5: /* smart drop-outs excluding stubs */ + glyph->outline.flags |= FT_OUTLINE_SMART_DROPOUTS; + break; + + default: /* no drop-out control */ + glyph->outline.flags |= FT_OUTLINE_IGNORE_DROPOUTS; + break; + } + } + else + glyph->outline.flags |= FT_OUTLINE_IGNORE_DROPOUTS; + } + +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + error = compute_glyph_metrics( &loader, glyph_index ); + } + + tt_loader_done( &loader ); + + /* Set the `high precision' bit flag. */ + /* This is _critical_ to get correct output for monochrome */ + /* TrueType glyphs at all sizes using the bytecode interpreter. */ + /* */ + if ( !( load_flags & FT_LOAD_NO_SCALE ) && + size->metrics->y_ppem < 24 ) + glyph->outline.flags |= FT_OUTLINE_HIGH_PRECISION; + + Exit: +#ifdef FT_DEBUG_LEVEL_TRACE + if ( error ) + FT_TRACE1(( " failed (error code 0x%x)\n", + error )); +#endif + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgload.h b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgload.h new file mode 100644 index 00000000000..d237cfd2841 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgload.h @@ -0,0 +1,62 @@ +/***************************************************************************/ +/* */ +/* ttgload.h */ +/* */ +/* TrueType Glyph Loader (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTGLOAD_H_ +#define TTGLOAD_H_ + + +#include <ft2build.h> +#include "ttobjs.h" + +#ifdef TT_USE_BYTECODE_INTERPRETER +#include "ttinterp.h" +#endif + + +FT_BEGIN_HEADER + + + FT_LOCAL( void ) + TT_Init_Glyph_Loading( TT_Face face ); + + FT_LOCAL( void ) + TT_Get_HMetrics( TT_Face face, + FT_UInt idx, + FT_Short* lsb, + FT_UShort* aw ); + + FT_LOCAL( void ) + TT_Get_VMetrics( TT_Face face, + FT_UInt idx, + FT_Pos yMax, + FT_Short* tsb, + FT_UShort* ah ); + + FT_LOCAL( FT_Error ) + TT_Load_Glyph( TT_Size size, + TT_GlyphSlot glyph, + FT_UInt glyph_index, + FT_Int32 load_flags ); + + +FT_END_HEADER + +#endif /* TTGLOAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgxvar.c b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgxvar.c new file mode 100644 index 00000000000..6f456cf8c41 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgxvar.c @@ -0,0 +1,4008 @@ +/***************************************************************************/ +/* */ +/* ttgxvar.c */ +/* */ +/* TrueType GX Font Variation loader */ +/* */ +/* Copyright 2004-2018 by */ +/* David Turner, Robert Wilhelm, Werner Lemberg, and George Williams. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* Apple documents the `fvar', `gvar', `cvar', and `avar' tables at */ + /* */ + /* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6[fgca]var.html */ + /* */ + /* The documentation for `gvar' is not intelligible; `cvar' refers you */ + /* to `gvar' and is thus also incomprehensible. */ + /* */ + /* The documentation for `avar' appears correct, but Apple has no fonts */ + /* with an `avar' table, so it is hard to test. */ + /* */ + /* Many thanks to John Jenkins (at Apple) in figuring this out. */ + /* */ + /* */ + /* Apple's `kern' table has some references to tuple indices, but as */ + /* there is no indication where these indices are defined, nor how to */ + /* interpolate the kerning values (different tuples have different */ + /* classes) this issue is ignored. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_CONFIG_CONFIG_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_SFNT_H +#include FT_TRUETYPE_TAGS_H +#include FT_TRUETYPE_IDS_H +#include FT_MULTIPLE_MASTERS_H +#include FT_LIST_H + +#include "ttpload.h" +#include "ttgxvar.h" + +#include "tterrors.h" + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + +#define FT_Stream_FTell( stream ) \ + (FT_ULong)( (stream)->cursor - (stream)->base ) +#define FT_Stream_SeekSet( stream, off ) \ + (stream)->cursor = \ + ( (off) < (FT_ULong)( (stream)->limit - (stream)->base ) ) \ + ? (stream)->base + (off) \ + : (stream)->limit + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttgxvar + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** Internal Routines *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* The macro ALL_POINTS is used in `ft_var_readpackedpoints'. It */ + /* indicates that there is a delta for every point without needing to */ + /* enumerate all of them. */ + /* */ + + /* ensure that value `0' has the same width as a pointer */ +#define ALL_POINTS (FT_UShort*)~(FT_PtrDist)0 + + +#define GX_PT_POINTS_ARE_WORDS 0x80U +#define GX_PT_POINT_RUN_COUNT_MASK 0x7FU + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_var_readpackedpoints */ + /* */ + /* <Description> */ + /* Read a set of points to which the following deltas will apply. */ + /* Points are packed with a run length encoding. */ + /* */ + /* <Input> */ + /* stream :: The data stream. */ + /* */ + /* size :: The size of the table holding the data. */ + /* */ + /* <Output> */ + /* point_cnt :: The number of points read. A zero value means that */ + /* all points in the glyph will be affected, without */ + /* enumerating them individually. */ + /* */ + /* <Return> */ + /* An array of FT_UShort containing the affected points or the */ + /* special value ALL_POINTS. */ + /* */ + static FT_UShort* + ft_var_readpackedpoints( FT_Stream stream, + FT_ULong size, + FT_UInt *point_cnt ) + { + FT_UShort *points = NULL; + FT_UInt n; + FT_UInt runcnt; + FT_UInt i, j; + FT_UShort first; + FT_Memory memory = stream->memory; + FT_Error error = FT_Err_Ok; + + FT_UNUSED( error ); + + + *point_cnt = 0; + + n = FT_GET_BYTE(); + if ( n == 0 ) + return ALL_POINTS; + + if ( n & GX_PT_POINTS_ARE_WORDS ) + { + n &= GX_PT_POINT_RUN_COUNT_MASK; + n <<= 8; + n |= FT_GET_BYTE(); + } + + if ( n > size ) + { + FT_TRACE1(( "ft_var_readpackedpoints: number of points too large\n" )); + return NULL; + } + + /* in the nested loops below we increase `i' twice; */ + /* it is faster to simply allocate one more slot */ + /* than to add another test within the loop */ + if ( FT_NEW_ARRAY( points, n + 1 ) ) + return NULL; + + *point_cnt = n; + + first = 0; + i = 0; + while ( i < n ) + { + runcnt = FT_GET_BYTE(); + if ( runcnt & GX_PT_POINTS_ARE_WORDS ) + { + runcnt &= GX_PT_POINT_RUN_COUNT_MASK; + first += FT_GET_USHORT(); + points[i++] = first; + + /* first point not included in run count */ + for ( j = 0; j < runcnt; j++ ) + { + first += FT_GET_USHORT(); + points[i++] = first; + if ( i >= n ) + break; + } + } + else + { + first += FT_GET_BYTE(); + points[i++] = first; + + for ( j = 0; j < runcnt; j++ ) + { + first += FT_GET_BYTE(); + points[i++] = first; + if ( i >= n ) + break; + } + } + } + + return points; + } + + +#define GX_DT_DELTAS_ARE_ZERO 0x80U +#define GX_DT_DELTAS_ARE_WORDS 0x40U +#define GX_DT_DELTA_RUN_COUNT_MASK 0x3FU + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_var_readpackeddeltas */ + /* */ + /* <Description> */ + /* Read a set of deltas. These are packed slightly differently than */ + /* points. In particular there is no overall count. */ + /* */ + /* <Input> */ + /* stream :: The data stream. */ + /* */ + /* size :: The size of the table holding the data. */ + /* */ + /* delta_cnt :: The number of deltas to be read. */ + /* */ + /* <Return> */ + /* An array of FT_Short containing the deltas for the affected */ + /* points. (This only gets the deltas for one dimension. It will */ + /* generally be called twice, once for x, once for y. When used in */ + /* cvt table, it will only be called once.) */ + /* */ + static FT_Short* + ft_var_readpackeddeltas( FT_Stream stream, + FT_ULong size, + FT_UInt delta_cnt ) + { + FT_Short *deltas = NULL; + FT_UInt runcnt, cnt; + FT_UInt i, j; + FT_Memory memory = stream->memory; + FT_Error error = FT_Err_Ok; + + FT_UNUSED( error ); + + + if ( delta_cnt > size ) + { + FT_TRACE1(( "ft_var_readpackeddeltas: number of points too large\n" )); + return NULL; + } + + if ( FT_NEW_ARRAY( deltas, delta_cnt ) ) + return NULL; + + i = 0; + while ( i < delta_cnt ) + { + runcnt = FT_GET_BYTE(); + cnt = runcnt & GX_DT_DELTA_RUN_COUNT_MASK; + + if ( runcnt & GX_DT_DELTAS_ARE_ZERO ) + { + /* `runcnt' zeroes get added */ + for ( j = 0; j <= cnt && i < delta_cnt; j++ ) + deltas[i++] = 0; + } + else if ( runcnt & GX_DT_DELTAS_ARE_WORDS ) + { + /* `runcnt' shorts from the stack */ + for ( j = 0; j <= cnt && i < delta_cnt; j++ ) + deltas[i++] = FT_GET_SHORT(); + } + else + { + /* `runcnt' signed bytes from the stack */ + for ( j = 0; j <= cnt && i < delta_cnt; j++ ) + deltas[i++] = FT_GET_CHAR(); + } + + if ( j <= cnt ) + { + /* bad format */ + FT_FREE( deltas ); + return NULL; + } + } + + return deltas; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_var_load_avar */ + /* */ + /* <Description> */ + /* Parse the `avar' table if present. It need not be, so we return */ + /* nothing. */ + /* */ + /* <InOut> */ + /* face :: The font face. */ + /* */ + static void + ft_var_load_avar( TT_Face face ) + { + FT_Stream stream = FT_FACE_STREAM( face ); + FT_Memory memory = stream->memory; + GX_Blend blend = face->blend; + GX_AVarSegment segment; + FT_Error error = FT_Err_Ok; + FT_Long version; + FT_Long axisCount; + FT_Int i, j; + FT_ULong table_len; + + FT_UNUSED( error ); + + + FT_TRACE2(( "AVAR " )); + + blend->avar_loaded = TRUE; + error = face->goto_table( face, TTAG_avar, stream, &table_len ); + if ( error ) + { + FT_TRACE2(( "is missing\n" )); + return; + } + + if ( FT_FRAME_ENTER( table_len ) ) + return; + + version = FT_GET_LONG(); + axisCount = FT_GET_LONG(); + + if ( version != 0x00010000L ) + { + FT_TRACE2(( "bad table version\n" )); + goto Exit; + } + + FT_TRACE2(( "loaded\n" )); + + if ( axisCount != (FT_Long)blend->mmvar->num_axis ) + { + FT_TRACE2(( "ft_var_load_avar: number of axes in `avar' and `fvar'\n" + " table are different\n" )); + goto Exit; + } + + if ( FT_NEW_ARRAY( blend->avar_segment, axisCount ) ) + goto Exit; + + segment = &blend->avar_segment[0]; + for ( i = 0; i < axisCount; i++, segment++ ) + { + FT_TRACE5(( " axis %d:\n", i )); + + segment->pairCount = FT_GET_USHORT(); + if ( (FT_ULong)segment->pairCount * 4 > table_len || + FT_NEW_ARRAY( segment->correspondence, segment->pairCount ) ) + { + /* Failure. Free everything we have done so far. We must do */ + /* it right now since loading the `avar' table is optional. */ + + for ( j = i - 1; j >= 0; j-- ) + FT_FREE( blend->avar_segment[j].correspondence ); + + FT_FREE( blend->avar_segment ); + blend->avar_segment = NULL; + goto Exit; + } + + for ( j = 0; j < segment->pairCount; j++ ) + { + /* convert to Fixed */ + segment->correspondence[j].fromCoord = FT_GET_SHORT() * 4; + segment->correspondence[j].toCoord = FT_GET_SHORT() * 4; + + FT_TRACE5(( " mapping %.5f to %.5f\n", + segment->correspondence[j].fromCoord / 65536.0, + segment->correspondence[j].toCoord / 65536.0 )); + } + + FT_TRACE5(( "\n" )); + } + + Exit: + FT_FRAME_EXIT(); + } + + + /* some macros we need */ +#define FT_FIXED_ONE ( (FT_Fixed)0x10000 ) + +#define FT_fdot14ToFixed( x ) \ + ( (FT_Fixed)( (FT_ULong)(x) << 2 ) ) +#define FT_intToFixed( i ) \ + ( (FT_Fixed)( (FT_ULong)(i) << 16 ) ) +#define FT_fixedToInt( x ) \ + ( (FT_Short)( ( (FT_UInt32)(x) + 0x8000U ) >> 16 ) ) + + + static FT_Error + ft_var_load_item_variation_store( TT_Face face, + FT_ULong offset, + GX_ItemVarStore itemStore ) + { + FT_Stream stream = FT_FACE_STREAM( face ); + FT_Memory memory = stream->memory; + + FT_Error error; + FT_UShort format; + FT_ULong region_offset; + FT_UInt i, j, k; + FT_UInt shortDeltaCount; + + GX_Blend blend = face->blend; + GX_ItemVarData varData; + + FT_ULong* dataOffsetArray = NULL; + + + if ( FT_STREAM_SEEK( offset ) || + FT_READ_USHORT( format ) ) + goto Exit; + + if ( format != 1 ) + { + FT_TRACE2(( "ft_var_load_item_variation_store: bad store format %d\n", + format )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + /* read top level fields */ + if ( FT_READ_ULONG( region_offset ) || + FT_READ_USHORT( itemStore->dataCount ) ) + goto Exit; + + /* we need at least one entry in `itemStore->varData' */ + if ( !itemStore->dataCount ) + { + FT_TRACE2(( "ft_var_load_item_variation_store: missing varData\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + /* make temporary copy of item variation data offsets; */ + /* we will parse region list first, then come back */ + if ( FT_NEW_ARRAY( dataOffsetArray, itemStore->dataCount ) ) + goto Exit; + + for ( i = 0; i < itemStore->dataCount; i++ ) + { + if ( FT_READ_ULONG( dataOffsetArray[i] ) ) + goto Exit; + } + + /* parse array of region records (region list) */ + if ( FT_STREAM_SEEK( offset + region_offset ) ) + goto Exit; + + if ( FT_READ_USHORT( itemStore->axisCount ) || + FT_READ_USHORT( itemStore->regionCount ) ) + goto Exit; + + if ( itemStore->axisCount != (FT_Long)blend->mmvar->num_axis ) + { + FT_TRACE2(( "ft_var_load_item_variation_store:" + " number of axes in item variation store\n" + " " + " and `fvar' table are different\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + if ( FT_NEW_ARRAY( itemStore->varRegionList, itemStore->regionCount ) ) + goto Exit; + + for ( i = 0; i < itemStore->regionCount; i++ ) + { + GX_AxisCoords axisCoords; + + + if ( FT_NEW_ARRAY( itemStore->varRegionList[i].axisList, + itemStore->axisCount ) ) + goto Exit; + + axisCoords = itemStore->varRegionList[i].axisList; + + for ( j = 0; j < itemStore->axisCount; j++ ) + { + FT_Short start, peak, end; + + + if ( FT_READ_SHORT( start ) || + FT_READ_SHORT( peak ) || + FT_READ_SHORT( end ) ) + goto Exit; + + axisCoords[j].startCoord = FT_fdot14ToFixed( start ); + axisCoords[j].peakCoord = FT_fdot14ToFixed( peak ); + axisCoords[j].endCoord = FT_fdot14ToFixed( end ); + } + } + + /* end of region list parse */ + + /* use dataOffsetArray now to parse varData items */ + if ( FT_NEW_ARRAY( itemStore->varData, itemStore->dataCount ) ) + goto Exit; + + for ( i = 0; i < itemStore->dataCount; i++ ) + { + varData = &itemStore->varData[i]; + + if ( FT_STREAM_SEEK( offset + dataOffsetArray[i] ) ) + goto Exit; + + if ( FT_READ_USHORT( varData->itemCount ) || + FT_READ_USHORT( shortDeltaCount ) || + FT_READ_USHORT( varData->regionIdxCount ) ) + goto Exit; + + /* check some data consistency */ + if ( shortDeltaCount > varData->regionIdxCount ) + { + FT_TRACE2(( "bad short count %d or region count %d\n", + shortDeltaCount, + varData->regionIdxCount )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + if ( varData->regionIdxCount > itemStore->regionCount ) + { + FT_TRACE2(( "inconsistent regionCount %d in varData[%d]\n", + varData->regionIdxCount, + i )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + /* parse region indices */ + if ( FT_NEW_ARRAY( varData->regionIndices, + varData->regionIdxCount ) ) + goto Exit; + + for ( j = 0; j < varData->regionIdxCount; j++ ) + { + if ( FT_READ_USHORT( varData->regionIndices[j] ) ) + goto Exit; + + if ( varData->regionIndices[j] >= itemStore->regionCount ) + { + FT_TRACE2(( "bad region index %d\n", + varData->regionIndices[j] )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + } + + /* Parse delta set. */ + /* */ + /* On input, deltas are (shortDeltaCount + regionIdxCount) bytes */ + /* each; on output, deltas are expanded to `regionIdxCount' shorts */ + /* each. */ + if ( FT_NEW_ARRAY( varData->deltaSet, + varData->regionIdxCount * varData->itemCount ) ) + goto Exit; + + /* the delta set is stored as a 2-dimensional array of shorts; */ + /* sign-extend signed bytes to signed shorts */ + for ( j = 0; j < varData->itemCount * varData->regionIdxCount; ) + { + for ( k = 0; k < shortDeltaCount; k++, j++ ) + { + /* read the short deltas */ + FT_Short delta; + + + if ( FT_READ_SHORT( delta ) ) + goto Exit; + + varData->deltaSet[j] = delta; + } + + for ( ; k < varData->regionIdxCount; k++, j++ ) + { + /* read the (signed) byte deltas */ + FT_Char delta; + + + if ( FT_READ_CHAR( delta ) ) + goto Exit; + + varData->deltaSet[j] = delta; + } + } + } + + Exit: + FT_FREE( dataOffsetArray ); + + return error; + } + + + static FT_Error + ft_var_load_delta_set_index_mapping( TT_Face face, + FT_ULong offset, + GX_DeltaSetIdxMap map, + GX_ItemVarStore itemStore ) + { + FT_Stream stream = FT_FACE_STREAM( face ); + FT_Memory memory = stream->memory; + + FT_Error error; + + FT_UShort format; + FT_UInt entrySize; + FT_UInt innerBitCount; + FT_UInt innerIndexMask; + FT_UInt i, j; + + + if ( FT_STREAM_SEEK( offset ) || + FT_READ_USHORT( format ) || + FT_READ_USHORT( map->mapCount ) ) + goto Exit; + + if ( format & 0xFFC0 ) + { + FT_TRACE2(( "bad map format %d\n", format )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + /* bytes per entry: 1, 2, 3, or 4 */ + entrySize = ( ( format & 0x0030 ) >> 4 ) + 1; + innerBitCount = ( format & 0x000F ) + 1; + innerIndexMask = ( 1 << innerBitCount ) - 1; + + if ( FT_NEW_ARRAY( map->innerIndex, map->mapCount ) ) + goto Exit; + + if ( FT_NEW_ARRAY( map->outerIndex, map->mapCount ) ) + goto Exit; + + for ( i = 0; i < map->mapCount; i++ ) + { + FT_UInt mapData = 0; + FT_UInt outerIndex, innerIndex; + + + /* read map data one unsigned byte at a time, big endian */ + for ( j = 0; j < entrySize; j++ ) + { + FT_Byte data; + + + if ( FT_READ_BYTE( data ) ) + goto Exit; + + mapData = ( mapData << 8 ) | data; + } + + outerIndex = mapData >> innerBitCount; + + if ( outerIndex >= itemStore->dataCount ) + { + FT_TRACE2(( "outerIndex[%d] == %d out of range\n", + i, + outerIndex )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + map->outerIndex[i] = outerIndex; + + innerIndex = mapData & innerIndexMask; + + if ( innerIndex >= itemStore->varData[outerIndex].itemCount ) + { + FT_TRACE2(( "innerIndex[%d] == %d out of range\n", + i, + innerIndex )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + map->innerIndex[i] = innerIndex; + } + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_var_load_hvvar */ + /* */ + /* <Description> */ + /* If `vertical' is zero, parse the `HVAR' table and set */ + /* `blend->hvar_loaded' to TRUE. On success, `blend->hvar_checked' */ + /* is set to TRUE. */ + /* */ + /* If `vertical' is not zero, parse the `VVAR' table and set */ + /* `blend->vvar_loaded' to TRUE. On success, `blend->vvar_checked' */ + /* is set to TRUE. */ + /* */ + /* Some memory may remain allocated on error; it is always freed in */ + /* `tt_done_blend', however. */ + /* */ + /* <InOut> */ + /* face :: The font face. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + static FT_Error + ft_var_load_hvvar( TT_Face face, + FT_Bool vertical ) + { + FT_Stream stream = FT_FACE_STREAM( face ); + FT_Memory memory = stream->memory; + + GX_Blend blend = face->blend; + + GX_HVVarTable table; + + FT_Error error; + FT_UShort majorVersion; + FT_ULong table_len; + FT_ULong table_offset; + FT_ULong store_offset; + FT_ULong widthMap_offset; + + + if ( vertical ) + { + blend->vvar_loaded = TRUE; + + FT_TRACE2(( "VVAR " )); + + error = face->goto_table( face, TTAG_VVAR, stream, &table_len ); + } + else + { + blend->hvar_loaded = TRUE; + + FT_TRACE2(( "HVAR " )); + + error = face->goto_table( face, TTAG_HVAR, stream, &table_len ); + } + + if ( error ) + { + FT_TRACE2(( "is missing\n" )); + goto Exit; + } + + table_offset = FT_STREAM_POS(); + + /* skip minor version */ + if ( FT_READ_USHORT( majorVersion ) || + FT_STREAM_SKIP( 2 ) ) + goto Exit; + + if ( majorVersion != 1 ) + { + FT_TRACE2(( "bad table version %d\n", majorVersion )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + if ( FT_READ_ULONG( store_offset ) || + FT_READ_ULONG( widthMap_offset ) ) + goto Exit; + + if ( vertical ) + { + if ( FT_NEW( blend->vvar_table ) ) + goto Exit; + table = blend->vvar_table; + } + else + { + if ( FT_NEW( blend->hvar_table ) ) + goto Exit; + table = blend->hvar_table; + } + + error = ft_var_load_item_variation_store( + face, + table_offset + store_offset, + &table->itemStore ); + if ( error ) + goto Exit; + + if ( widthMap_offset ) + { + error = ft_var_load_delta_set_index_mapping( + face, + table_offset + widthMap_offset, + &table->widthMap, + &table->itemStore ); + if ( error ) + goto Exit; + } + + FT_TRACE2(( "loaded\n" )); + error = FT_Err_Ok; + + Exit: + if ( !error ) + { + if ( vertical ) + { + blend->vvar_checked = TRUE; + + /* FreeType doesn't provide functions to quickly retrieve */ + /* TSB, BSB, or VORG values; we thus don't have to implement */ + /* support for those three item variation stores. */ + + face->variation_support |= TT_FACE_FLAG_VAR_VADVANCE; + } + else + { + blend->hvar_checked = TRUE; + + /* FreeType doesn't provide functions to quickly retrieve */ + /* LSB or RSB values; we thus don't have to implement */ + /* support for those two item variation stores. */ + + face->variation_support |= TT_FACE_FLAG_VAR_HADVANCE; + } + } + + return error; + } + + + static FT_Int + ft_var_get_item_delta( TT_Face face, + GX_ItemVarStore itemStore, + FT_UInt outerIndex, + FT_UInt innerIndex ) + { + GX_ItemVarData varData; + FT_Short* deltaSet; + + FT_UInt master, j; + FT_Fixed netAdjustment = 0; /* accumulated adjustment */ + FT_Fixed scaledDelta; + FT_Fixed delta; + + + /* See pseudo code from `Font Variations Overview' */ + /* in the OpenType specification. */ + + varData = &itemStore->varData[outerIndex]; + deltaSet = &varData->deltaSet[varData->regionIdxCount * innerIndex]; + + /* outer loop steps through master designs to be blended */ + for ( master = 0; master < varData->regionIdxCount; master++ ) + { + FT_Fixed scalar = FT_FIXED_ONE; + FT_UInt regionIndex = varData->regionIndices[master]; + + GX_AxisCoords axis = itemStore->varRegionList[regionIndex].axisList; + + + /* inner loop steps through axes in this region */ + for ( j = 0; j < itemStore->axisCount; j++, axis++ ) + { + FT_Fixed axisScalar; + + + /* compute the scalar contribution of this axis; */ + /* ignore invalid ranges */ + if ( axis->startCoord > axis->peakCoord || + axis->peakCoord > axis->endCoord ) + axisScalar = FT_FIXED_ONE; + + else if ( axis->startCoord < 0 && + axis->endCoord > 0 && + axis->peakCoord != 0 ) + axisScalar = FT_FIXED_ONE; + + /* peak of 0 means ignore this axis */ + else if ( axis->peakCoord == 0 ) + axisScalar = FT_FIXED_ONE; + + /* ignore this region if coords are out of range */ + else if ( face->blend->normalizedcoords[j] < axis->startCoord || + face->blend->normalizedcoords[j] > axis->endCoord ) + axisScalar = 0; + + /* calculate a proportional factor */ + else + { + if ( face->blend->normalizedcoords[j] == axis->peakCoord ) + axisScalar = FT_FIXED_ONE; + else if ( face->blend->normalizedcoords[j] < axis->peakCoord ) + axisScalar = + FT_DivFix( face->blend->normalizedcoords[j] - axis->startCoord, + axis->peakCoord - axis->startCoord ); + else + axisScalar = + FT_DivFix( axis->endCoord - face->blend->normalizedcoords[j], + axis->endCoord - axis->peakCoord ); + } + + /* take product of all the axis scalars */ + scalar = FT_MulFix( scalar, axisScalar ); + + } /* per-axis loop */ + + /* get the scaled delta for this region */ + delta = FT_intToFixed( deltaSet[master] ); + scaledDelta = FT_MulFix( scalar, delta ); + + /* accumulate the adjustments from each region */ + netAdjustment = netAdjustment + scaledDelta; + + } /* per-region loop */ + + return FT_fixedToInt( netAdjustment ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_hvadvance_adjust */ + /* */ + /* <Description> */ + /* Apply `HVAR' advance width or `VVAR' advance height adjustment of */ + /* a given glyph. */ + /* */ + /* <Input> */ + /* gindex :: The glyph index. */ + /* */ + /* vertical :: If set, handle `VVAR' table. */ + /* */ + /* <InOut> */ + /* face :: The font face. */ + /* */ + /* adelta :: Points to width or height value that gets modified. */ + /* */ + static FT_Error + tt_hvadvance_adjust( TT_Face face, + FT_UInt gindex, + FT_Int *avalue, + FT_Bool vertical ) + { + FT_Error error = FT_Err_Ok; + FT_UInt innerIndex, outerIndex; + FT_Int delta; + + GX_HVVarTable table; + + + if ( !face->doblend || !face->blend ) + goto Exit; + + if ( vertical ) + { + if ( !face->blend->vvar_loaded ) + { + /* initialize vvar table */ + face->blend->vvar_error = ft_var_load_hvvar( face, 1 ); + } + + if ( !face->blend->vvar_checked ) + { + error = face->blend->vvar_error; + goto Exit; + } + + table = face->blend->vvar_table; + } + else + { + if ( !face->blend->hvar_loaded ) + { + /* initialize hvar table */ + face->blend->hvar_error = ft_var_load_hvvar( face, 0 ); + } + + if ( !face->blend->hvar_checked ) + { + error = face->blend->hvar_error; + goto Exit; + } + + table = face->blend->hvar_table; + } + + /* advance width or height adjustments are always present in an */ + /* `HVAR' or `VVAR' table; no need to test for this capability */ + + if ( table->widthMap.innerIndex ) + { + FT_UInt idx = gindex; + + + if ( idx >= table->widthMap.mapCount ) + idx = table->widthMap.mapCount - 1; + + /* trust that HVAR parser has checked indices */ + outerIndex = table->widthMap.outerIndex[idx]; + innerIndex = table->widthMap.innerIndex[idx]; + } + else + { + GX_ItemVarData varData; + + + /* no widthMap data */ + outerIndex = 0; + innerIndex = gindex; + + varData = &table->itemStore.varData[outerIndex]; + if ( gindex >= varData->itemCount ) + { + FT_TRACE2(( "gindex %d out of range\n", gindex )); + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + } + + delta = ft_var_get_item_delta( face, + &table->itemStore, + outerIndex, + innerIndex ); + + FT_TRACE5(( "%s value %d adjusted by %d unit%s (%s)\n", + vertical ? "vertical height" : "horizontal width", + *avalue, + delta, + delta == 1 ? "" : "s", + vertical ? "VVAR" : "HVAR" )); + + *avalue += delta; + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_Error ) + tt_hadvance_adjust( TT_Face face, + FT_UInt gindex, + FT_Int *avalue ) + { + return tt_hvadvance_adjust( face, gindex, avalue, 0 ); + } + + + FT_LOCAL_DEF( FT_Error ) + tt_vadvance_adjust( TT_Face face, + FT_UInt gindex, + FT_Int *avalue ) + { + return tt_hvadvance_adjust( face, gindex, avalue, 1 ); + } + + +#define GX_VALUE_SIZE 8 + + /* all values are FT_Short or FT_UShort entities; */ + /* we treat them consistently as FT_Short */ +#define GX_VALUE_CASE( tag, dflt ) \ + case MVAR_TAG_ ## tag : \ + p = (FT_Short*)&face->dflt; \ + break + +#define GX_GASP_CASE( idx ) \ + case MVAR_TAG_GASP_ ## idx : \ + if ( idx < face->gasp.numRanges - 1 ) \ + p = (FT_Short*)&face->gasp.gaspRanges[idx].maxPPEM; \ + else \ + p = NULL; \ + break + + + static FT_Short* + ft_var_get_value_pointer( TT_Face face, + FT_ULong mvar_tag ) + { + FT_Short* p; + + + switch ( mvar_tag ) + { + GX_GASP_CASE( 0 ); + GX_GASP_CASE( 1 ); + GX_GASP_CASE( 2 ); + GX_GASP_CASE( 3 ); + GX_GASP_CASE( 4 ); + GX_GASP_CASE( 5 ); + GX_GASP_CASE( 6 ); + GX_GASP_CASE( 7 ); + GX_GASP_CASE( 8 ); + GX_GASP_CASE( 9 ); + + GX_VALUE_CASE( CPHT, os2.sCapHeight ); + GX_VALUE_CASE( HASC, os2.sTypoAscender ); + GX_VALUE_CASE( HCLA, os2.usWinAscent ); + GX_VALUE_CASE( HCLD, os2.usWinDescent ); + GX_VALUE_CASE( HCOF, horizontal.caret_Offset ); + GX_VALUE_CASE( HCRN, horizontal.caret_Slope_Run ); + GX_VALUE_CASE( HCRS, horizontal.caret_Slope_Rise ); + GX_VALUE_CASE( HDSC, os2.sTypoDescender ); + GX_VALUE_CASE( HLGP, os2.sTypoLineGap ); + GX_VALUE_CASE( SBXO, os2.ySubscriptXOffset); + GX_VALUE_CASE( SBXS, os2.ySubscriptXSize ); + GX_VALUE_CASE( SBYO, os2.ySubscriptYOffset ); + GX_VALUE_CASE( SBYS, os2.ySubscriptYSize ); + GX_VALUE_CASE( SPXO, os2.ySuperscriptXOffset ); + GX_VALUE_CASE( SPXS, os2.ySuperscriptXSize ); + GX_VALUE_CASE( SPYO, os2.ySuperscriptYOffset ); + GX_VALUE_CASE( SPYS, os2.ySuperscriptYSize ); + GX_VALUE_CASE( STRO, os2.yStrikeoutPosition ); + GX_VALUE_CASE( STRS, os2.yStrikeoutSize ); + GX_VALUE_CASE( UNDO, postscript.underlinePosition ); + GX_VALUE_CASE( UNDS, postscript.underlineThickness ); + GX_VALUE_CASE( VASC, vertical.Ascender ); + GX_VALUE_CASE( VCOF, vertical.caret_Offset ); + GX_VALUE_CASE( VCRN, vertical.caret_Slope_Run ); + GX_VALUE_CASE( VCRS, vertical.caret_Slope_Rise ); + GX_VALUE_CASE( VDSC, vertical.Descender ); + GX_VALUE_CASE( VLGP, vertical.Line_Gap ); + GX_VALUE_CASE( XHGT, os2.sxHeight ); + + default: + /* ignore unknown tag */ + p = NULL; + } + + return p; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_var_load_mvar */ + /* */ + /* <Description> */ + /* Parse the `MVAR' table. */ + /* */ + /* Some memory may remain allocated on error; it is always freed in */ + /* `tt_done_blend', however. */ + /* */ + /* <InOut> */ + /* face :: The font face. */ + /* */ + static void + ft_var_load_mvar( TT_Face face ) + { + FT_Stream stream = FT_FACE_STREAM( face ); + FT_Memory memory = stream->memory; + + GX_Blend blend = face->blend; + GX_ItemVarStore itemStore; + GX_Value value, limit; + + FT_Error error; + FT_UShort majorVersion; + FT_ULong table_len; + FT_ULong table_offset; + FT_UShort store_offset; + FT_ULong records_offset; + + + FT_TRACE2(( "MVAR " )); + + error = face->goto_table( face, TTAG_MVAR, stream, &table_len ); + if ( error ) + { + FT_TRACE2(( "is missing\n" )); + return; + } + + table_offset = FT_STREAM_POS(); + + /* skip minor version */ + if ( FT_READ_USHORT( majorVersion ) || + FT_STREAM_SKIP( 2 ) ) + return; + + if ( majorVersion != 1 ) + { + FT_TRACE2(( "bad table version %d\n", majorVersion )); + return; + } + + if ( FT_NEW( blend->mvar_table ) ) + return; + + /* skip reserved entry and value record size */ + if ( FT_STREAM_SKIP( 4 ) || + FT_READ_USHORT( blend->mvar_table->valueCount ) || + FT_READ_USHORT( store_offset ) ) + return; + + records_offset = FT_STREAM_POS(); + + error = ft_var_load_item_variation_store( + face, + table_offset + store_offset, + &blend->mvar_table->itemStore ); + if ( error ) + return; + + if ( FT_NEW_ARRAY( blend->mvar_table->values, + blend->mvar_table->valueCount ) ) + return; + + if ( FT_STREAM_SEEK( records_offset ) || + FT_FRAME_ENTER( blend->mvar_table->valueCount * GX_VALUE_SIZE ) ) + return; + + value = blend->mvar_table->values; + limit = value + blend->mvar_table->valueCount; + itemStore = &blend->mvar_table->itemStore; + + for ( ; value < limit; value++ ) + { + value->tag = FT_GET_ULONG(); + value->outerIndex = FT_GET_USHORT(); + value->innerIndex = FT_GET_USHORT(); + + if ( value->outerIndex >= itemStore->dataCount || + value->innerIndex >= itemStore->varData[value->outerIndex] + .itemCount ) + { + error = FT_THROW( Invalid_Table ); + break; + } + } + + FT_FRAME_EXIT(); + + if ( error ) + return; + + FT_TRACE2(( "loaded\n" )); + + value = blend->mvar_table->values; + limit = value + blend->mvar_table->valueCount; + + /* save original values of the data MVAR is going to modify */ + for ( ; value < limit; value++ ) + { + FT_Short* p = ft_var_get_value_pointer( face, value->tag ); + + + if ( p ) + value->unmodified = *p; +#ifdef FT_DEBUG_LEVEL_TRACE + else + FT_TRACE1(( "ft_var_load_mvar: Ignoring unknown tag `%c%c%c%c'\n", + (FT_Char)( value->tag >> 24 ), + (FT_Char)( value->tag >> 16 ), + (FT_Char)( value->tag >> 8 ), + (FT_Char)( value->tag ) )); +#endif + } + + face->variation_support |= TT_FACE_FLAG_VAR_MVAR; + } + + + static FT_Error + tt_size_reset_iterator( FT_ListNode node, + void* user ) + { + TT_Size size = (TT_Size)node->data; + + FT_UNUSED( user ); + + + tt_size_reset( size, 1 ); + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_apply_mvar */ + /* */ + /* <Description> */ + /* Apply `MVAR' table adjustments. */ + /* */ + /* <InOut> */ + /* face :: The font face. */ + /* */ + FT_LOCAL_DEF( void ) + tt_apply_mvar( TT_Face face ) + { + GX_Blend blend = face->blend; + GX_Value value, limit; + + + if ( !( face->variation_support & TT_FACE_FLAG_VAR_MVAR ) ) + return; + + value = blend->mvar_table->values; + limit = value + blend->mvar_table->valueCount; + + for ( ; value < limit; value++ ) + { + FT_Short* p = ft_var_get_value_pointer( face, value->tag ); + FT_Int delta; + + + delta = ft_var_get_item_delta( face, + &blend->mvar_table->itemStore, + value->outerIndex, + value->innerIndex ); + + if ( p ) + { + FT_TRACE5(( "value %c%c%c%c (%d unit%s) adjusted by %d unit%s (MVAR)\n", + (FT_Char)( value->tag >> 24 ), + (FT_Char)( value->tag >> 16 ), + (FT_Char)( value->tag >> 8 ), + (FT_Char)( value->tag ), + value->unmodified, + value->unmodified == 1 ? "" : "s", + delta, + delta == 1 ? "" : "s" )); + + /* since we handle both signed and unsigned values as FT_Short, */ + /* ensure proper overflow arithmetic */ + *p = (FT_Short)( value->unmodified + (FT_Short)delta ); + } + } + + /* adjust all derived values */ + { + FT_Face root = &face->root; + + + if ( face->os2.version != 0xFFFFU ) + { + if ( face->os2.sTypoAscender || face->os2.sTypoDescender ) + { + root->ascender = face->os2.sTypoAscender; + root->descender = face->os2.sTypoDescender; + + root->height = root->ascender - root->descender + + face->os2.sTypoLineGap; + } + else + { + root->ascender = (FT_Short)face->os2.usWinAscent; + root->descender = -(FT_Short)face->os2.usWinDescent; + + root->height = root->ascender - root->descender; + } + } + + root->underline_position = face->postscript.underlinePosition - + face->postscript.underlineThickness / 2; + root->underline_thickness = face->postscript.underlineThickness; + + /* iterate over all FT_Size objects and call `tt_size_reset' */ + /* to propagate the metrics changes */ + FT_List_Iterate( &root->sizes_list, + tt_size_reset_iterator, + NULL ); + } + } + + + typedef struct GX_GVar_Head_ + { + FT_Long version; + FT_UShort axisCount; + FT_UShort globalCoordCount; + FT_ULong offsetToCoord; + FT_UShort glyphCount; + FT_UShort flags; + FT_ULong offsetToData; + + } GX_GVar_Head; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_var_load_gvar */ + /* */ + /* <Description> */ + /* Parse the `gvar' table if present. If `fvar' is there, `gvar' had */ + /* better be there too. */ + /* */ + /* <InOut> */ + /* face :: The font face. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + static FT_Error + ft_var_load_gvar( TT_Face face ) + { + FT_Stream stream = FT_FACE_STREAM( face ); + FT_Memory memory = stream->memory; + GX_Blend blend = face->blend; + FT_Error error; + FT_UInt i, j; + FT_ULong table_len; + FT_ULong gvar_start; + FT_ULong offsetToData; + GX_GVar_Head gvar_head; + + static const FT_Frame_Field gvar_fields[] = + { + +#undef FT_STRUCTURE +#define FT_STRUCTURE GX_GVar_Head + + FT_FRAME_START( 20 ), + FT_FRAME_LONG ( version ), + FT_FRAME_USHORT( axisCount ), + FT_FRAME_USHORT( globalCoordCount ), + FT_FRAME_ULONG ( offsetToCoord ), + FT_FRAME_USHORT( glyphCount ), + FT_FRAME_USHORT( flags ), + FT_FRAME_ULONG ( offsetToData ), + FT_FRAME_END + }; + + + FT_TRACE2(( "GVAR " )); + + if ( FT_SET_ERROR( face->goto_table( face, + TTAG_gvar, + stream, + &table_len ) ) ) + { + FT_TRACE2(( "is missing\n" )); + goto Exit; + } + + gvar_start = FT_STREAM_POS( ); + if ( FT_STREAM_READ_FIELDS( gvar_fields, &gvar_head ) ) + goto Exit; + + if ( gvar_head.version != 0x00010000L ) + { + FT_TRACE1(( "bad table version\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + if ( gvar_head.axisCount != (FT_UShort)blend->mmvar->num_axis ) + { + FT_TRACE1(( "ft_var_load_gvar: number of axes in `gvar' and `cvar'\n" + " table are different\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + /* rough sanity check, ignoring offsets */ + if ( (FT_ULong)gvar_head.globalCoordCount * gvar_head.axisCount > + table_len / 2 ) + { + FT_TRACE1(( "ft_var_load_gvar:" + " invalid number of global coordinates\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + /* rough sanity check: offsets can be either 2 or 4 bytes */ + if ( (FT_ULong)gvar_head.glyphCount * + ( ( gvar_head.flags & 1 ) ? 4 : 2 ) > table_len ) + { + FT_TRACE1(( "ft_var_load_gvar: invalid number of glyphs\n" )); + error = FT_THROW( Invalid_Table ); + goto Exit; + } + + FT_TRACE2(( "loaded\n" )); + + blend->gvar_size = table_len; + blend->tuplecount = gvar_head.globalCoordCount; + blend->gv_glyphcnt = gvar_head.glyphCount; + offsetToData = gvar_start + gvar_head.offsetToData; + + FT_TRACE5(( "gvar: there %s %d shared coordinate%s:\n", + blend->tuplecount == 1 ? "is" : "are", + blend->tuplecount, + blend->tuplecount == 1 ? "" : "s" )); + + if ( FT_NEW_ARRAY( blend->glyphoffsets, blend->gv_glyphcnt + 1 ) ) + goto Exit; + + if ( gvar_head.flags & 1 ) + { + /* long offsets (one more offset than glyphs, to mark size of last) */ + if ( FT_FRAME_ENTER( ( blend->gv_glyphcnt + 1 ) * 4L ) ) + goto Exit; + + for ( i = 0; i <= blend->gv_glyphcnt; i++ ) + blend->glyphoffsets[i] = offsetToData + FT_GET_ULONG(); + + FT_FRAME_EXIT(); + } + else + { + /* short offsets (one more offset than glyphs, to mark size of last) */ + if ( FT_FRAME_ENTER( ( blend->gv_glyphcnt + 1 ) * 2L ) ) + goto Exit; + + for ( i = 0; i <= blend->gv_glyphcnt; i++ ) + blend->glyphoffsets[i] = offsetToData + FT_GET_USHORT() * 2; + /* XXX: Undocumented: `*2'! */ + + FT_FRAME_EXIT(); + } + + if ( blend->tuplecount != 0 ) + { + if ( FT_NEW_ARRAY( blend->tuplecoords, + gvar_head.axisCount * blend->tuplecount ) ) + goto Exit; + + if ( FT_STREAM_SEEK( gvar_start + gvar_head.offsetToCoord ) || + FT_FRAME_ENTER( blend->tuplecount * gvar_head.axisCount * 2L ) ) + goto Exit; + + for ( i = 0; i < blend->tuplecount; i++ ) + { + FT_TRACE5(( " [ " )); + for ( j = 0; j < (FT_UInt)gvar_head.axisCount; j++ ) + { + blend->tuplecoords[i * gvar_head.axisCount + j] = + FT_GET_SHORT() * 4; /* convert to FT_Fixed */ + FT_TRACE5(( "%.5f ", + blend->tuplecoords[i * gvar_head.axisCount + j] / 65536.0 )); + } + FT_TRACE5(( "]\n" )); + } + + FT_TRACE5(( "\n" )); + + FT_FRAME_EXIT(); + } + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* ft_var_apply_tuple */ + /* */ + /* <Description> */ + /* Figure out whether a given tuple (design) applies to the current */ + /* blend, and if so, what is the scaling factor. */ + /* */ + /* <Input> */ + /* blend :: The current blend of the font. */ + /* */ + /* tupleIndex :: A flag saying whether this is an intermediate */ + /* tuple or not. */ + /* */ + /* tuple_coords :: The coordinates of the tuple in normalized axis */ + /* units. */ + /* */ + /* im_start_coords :: The initial coordinates where this tuple starts */ + /* to apply (for intermediate coordinates). */ + /* */ + /* im_end_coords :: The final coordinates after which this tuple no */ + /* longer applies (for intermediate coordinates). */ + /* */ + /* <Return> */ + /* An FT_Fixed value containing the scaling factor. */ + /* */ + static FT_Fixed + ft_var_apply_tuple( GX_Blend blend, + FT_UShort tupleIndex, + FT_Fixed* tuple_coords, + FT_Fixed* im_start_coords, + FT_Fixed* im_end_coords ) + { + FT_UInt i; + FT_Fixed apply = 0x10000L; + + + for ( i = 0; i < blend->num_axis; i++ ) + { + FT_TRACE6(( " axis coordinate %d (%.5f):\n", + i, blend->normalizedcoords[i] / 65536.0 )); + if ( !( tupleIndex & GX_TI_INTERMEDIATE_TUPLE ) ) + FT_TRACE6(( " intermediate coordinates %d (%.5f, %.5f):\n", + i, + im_start_coords[i] / 65536.0, + im_end_coords[i] / 65536.0 )); + + /* It's not clear why (for intermediate tuples) we don't need */ + /* to check against start/end -- the documentation says we don't. */ + /* Similarly, it's unclear why we don't need to scale along the */ + /* axis. */ + + if ( tuple_coords[i] == 0 ) + { + FT_TRACE6(( " tuple coordinate is zero, ignored\n", i )); + continue; + } + + if ( blend->normalizedcoords[i] == 0 ) + { + FT_TRACE6(( " axis coordinate is zero, stop\n" )); + apply = 0; + break; + } + + if ( blend->normalizedcoords[i] == tuple_coords[i] ) + { + FT_TRACE6(( " tuple coordinate value %.5f fits perfectly\n", + tuple_coords[i] / 65536.0 )); + /* `apply' does not change */ + continue; + } + + if ( !( tupleIndex & GX_TI_INTERMEDIATE_TUPLE ) ) + { + /* not an intermediate tuple */ + + if ( blend->normalizedcoords[i] < FT_MIN( 0, tuple_coords[i] ) || + blend->normalizedcoords[i] > FT_MAX( 0, tuple_coords[i] ) ) + { + FT_TRACE6(( " tuple coordinate value %.5f is exceeded, stop\n", + tuple_coords[i] / 65536.0 )); + apply = 0; + break; + } + + FT_TRACE6(( " tuple coordinate value %.5f fits\n", + tuple_coords[i] / 65536.0 )); + apply = FT_MulDiv( apply, + blend->normalizedcoords[i], + tuple_coords[i] ); + } + else + { + /* intermediate tuple */ + + if ( blend->normalizedcoords[i] < im_start_coords[i] || + blend->normalizedcoords[i] > im_end_coords[i] ) + { + FT_TRACE6(( " intermediate tuple range [%.5f;%.5f] is exceeded," + " stop\n", + im_start_coords[i] / 65536.0, + im_end_coords[i] / 65536.0 )); + apply = 0; + break; + } + + else if ( blend->normalizedcoords[i] < tuple_coords[i] ) + { + FT_TRACE6(( " intermediate tuple range [%.5f;%.5f] fits\n", + im_start_coords[i] / 65536.0, + im_end_coords[i] / 65536.0 )); + apply = FT_MulDiv( apply, + blend->normalizedcoords[i] - im_start_coords[i], + tuple_coords[i] - im_start_coords[i] ); + } + + else + { + FT_TRACE6(( " intermediate tuple range [%.5f;%.5f] fits\n", + im_start_coords[i] / 65536.0, + im_end_coords[i] / 65536.0 )); + apply = FT_MulDiv( apply, + im_end_coords[i] - blend->normalizedcoords[i], + im_end_coords[i] - tuple_coords[i] ); + } + } + } + + FT_TRACE6(( " apply factor is %.5f\n", apply / 65536.0 )); + + return apply; + } + + + /* convert from design coordinates to normalized coordinates */ + + static void + ft_var_to_normalized( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords, + FT_Fixed* normalized ) + { + GX_Blend blend; + FT_MM_Var* mmvar; + FT_UInt i, j; + FT_Var_Axis* a; + GX_AVarSegment av; + + + blend = face->blend; + mmvar = blend->mmvar; + + if ( num_coords > mmvar->num_axis ) + { + FT_TRACE2(( "ft_var_to_normalized:" + " only using first %d of %d coordinates\n", + mmvar->num_axis, num_coords )); + num_coords = mmvar->num_axis; + } + + /* Axis normalization is a two-stage process. First we normalize */ + /* based on the [min,def,max] values for the axis to be [-1,0,1]. */ + /* Then, if there's an `avar' table, we renormalize this range. */ + + FT_TRACE5(( "%d design coordinate%s:\n", + num_coords, + num_coords == 1 ? "" : "s" )); + + a = mmvar->axis; + for ( i = 0; i < num_coords; i++, a++ ) + { + FT_Fixed coord = coords[i]; + + + FT_TRACE5(( " %.5f\n", coord / 65536.0 )); + if ( coord > a->maximum || coord < a->minimum ) + { + FT_TRACE1(( + "ft_var_to_normalized: design coordinate %.5f\n" + " is out of range [%.5f;%.5f]; clamping\n", + coord / 65536.0, + a->minimum / 65536.0, + a->maximum / 65536.0 )); + + if ( coord > a->maximum ) + coord = a->maximum; + else + coord = a->minimum; + } + + if ( coord < a->def ) + normalized[i] = -FT_DivFix( coord - a->def, + a->minimum - a->def ); + else if ( coord > a->def ) + normalized[i] = FT_DivFix( coord - a->def, + a->maximum - a->def ); + else + normalized[i] = 0; + } + + FT_TRACE5(( "\n" )); + + for ( ; i < mmvar->num_axis; i++ ) + normalized[i] = 0; + + if ( blend->avar_segment ) + { + FT_TRACE5(( "normalized design coordinates" + " before applying `avar' data:\n" )); + + av = blend->avar_segment; + for ( i = 0; i < mmvar->num_axis; i++, av++ ) + { + for ( j = 1; j < (FT_UInt)av->pairCount; j++ ) + { + if ( normalized[i] < av->correspondence[j].fromCoord ) + { + FT_TRACE5(( " %.5f\n", normalized[i] / 65536.0 )); + + normalized[i] = + FT_MulDiv( normalized[i] - av->correspondence[j - 1].fromCoord, + av->correspondence[j].toCoord - + av->correspondence[j - 1].toCoord, + av->correspondence[j].fromCoord - + av->correspondence[j - 1].fromCoord ) + + av->correspondence[j - 1].toCoord; + break; + } + } + } + } + } + + + /* convert from normalized coordinates to design coordinates */ + + static void + ft_var_to_design( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords, + FT_Fixed* design ) + { + GX_Blend blend; + FT_MM_Var* mmvar; + FT_Var_Axis* a; + + FT_UInt i, j, nc; + + + blend = face->blend; + + nc = num_coords; + if ( num_coords > blend->num_axis ) + { + FT_TRACE2(( "ft_var_to_design:" + " only using first %d of %d coordinates\n", + blend->num_axis, num_coords )); + nc = blend->num_axis; + } + + for ( i = 0; i < nc; i++ ) + design[i] = coords[i]; + + for ( ; i < num_coords; i++ ) + design[i] = 0; + + if ( blend->avar_segment ) + { + GX_AVarSegment av = blend->avar_segment; + + + FT_TRACE5(( "design coordinates" + " after removing `avar' distortion:\n" )); + + for ( i = 0; i < nc; i++, av++ ) + { + for ( j = 1; j < (FT_UInt)av->pairCount; j++ ) + { + if ( design[i] < av->correspondence[j].toCoord ) + { + design[i] = + FT_MulDiv( design[i] - av->correspondence[j - 1].toCoord, + av->correspondence[j].fromCoord - + av->correspondence[j - 1].fromCoord, + av->correspondence[j].toCoord - + av->correspondence[j - 1].toCoord ) + + av->correspondence[j - 1].fromCoord; + + FT_TRACE5(( " %.5f\n", design[i] / 65536.0 )); + break; + } + } + } + } + + mmvar = blend->mmvar; + a = mmvar->axis; + + for ( i = 0; i < nc; i++, a++ ) + { + if ( design[i] < 0 ) + design[i] = a->def + FT_MulFix( design[i], + a->def - a->minimum ); + else if ( design[i] > 0 ) + design[i] = a->def + FT_MulFix( design[i], + a->maximum - a->def ); + else + design[i] = a->def; + } + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** MULTIPLE MASTERS SERVICE FUNCTIONS *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + typedef struct GX_FVar_Head_ + { + FT_Long version; + FT_UShort offsetToData; + FT_UShort axisCount; + FT_UShort axisSize; + FT_UShort instanceCount; + FT_UShort instanceSize; + + } GX_FVar_Head; + + + typedef struct fvar_axis_ + { + FT_ULong axisTag; + FT_Fixed minValue; + FT_Fixed defaultValue; + FT_Fixed maxValue; + FT_UShort flags; + FT_UShort nameID; + + } GX_FVar_Axis; + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Get_MM_Var */ + /* */ + /* <Description> */ + /* Check that the font's `fvar' table is valid, parse it, and return */ + /* those data. It also loads (and parses) the `MVAR' table, if */ + /* possible. */ + /* */ + /* <InOut> */ + /* face :: The font face. */ + /* TT_Get_MM_Var initializes the blend structure. */ + /* */ + /* <Output> */ + /* master :: The `fvar' data (must be freed by caller). Can be NULL, */ + /* which makes this function simply load MM support. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Get_MM_Var( TT_Face face, + FT_MM_Var* *master ) + { + FT_Stream stream = face->root.stream; + FT_Memory memory = face->root.memory; + FT_ULong table_len; + FT_Error error = FT_Err_Ok; + FT_ULong fvar_start = 0; + FT_UInt i, j; + FT_MM_Var* mmvar = NULL; + FT_Fixed* next_coords; + FT_Fixed* nsc; + FT_String* next_name; + FT_Var_Axis* a; + FT_Fixed* c; + FT_Var_Named_Style* ns; + GX_FVar_Head fvar_head; + FT_Bool usePsName = 0; + FT_UInt num_instances; + FT_UInt num_axes; + FT_UShort* axis_flags; + + FT_Offset mmvar_size; + FT_Offset axis_flags_size; + FT_Offset axis_size; + FT_Offset namedstyle_size; + FT_Offset next_coords_size; + FT_Offset next_name_size; + + FT_Bool need_init; + + static const FT_Frame_Field fvar_fields[] = + { + +#undef FT_STRUCTURE +#define FT_STRUCTURE GX_FVar_Head + + FT_FRAME_START( 16 ), + FT_FRAME_LONG ( version ), + FT_FRAME_USHORT ( offsetToData ), + FT_FRAME_SKIP_SHORT, + FT_FRAME_USHORT ( axisCount ), + FT_FRAME_USHORT ( axisSize ), + FT_FRAME_USHORT ( instanceCount ), + FT_FRAME_USHORT ( instanceSize ), + FT_FRAME_END + }; + + static const FT_Frame_Field fvaraxis_fields[] = + { + +#undef FT_STRUCTURE +#define FT_STRUCTURE GX_FVar_Axis + + FT_FRAME_START( 20 ), + FT_FRAME_ULONG ( axisTag ), + FT_FRAME_LONG ( minValue ), + FT_FRAME_LONG ( defaultValue ), + FT_FRAME_LONG ( maxValue ), + FT_FRAME_USHORT( flags ), + FT_FRAME_USHORT( nameID ), + FT_FRAME_END + }; + + + /* read the font data and set up the internal representation */ + /* if not already done */ + + need_init = !face->blend; + + if ( need_init ) + { + FT_TRACE2(( "FVAR " )); + + /* both `fvar' and `gvar' must be present */ + if ( FT_SET_ERROR( face->goto_table( face, TTAG_gvar, + stream, &table_len ) ) ) + { + /* CFF2 is an alternate to gvar here */ + if ( FT_SET_ERROR( face->goto_table( face, TTAG_CFF2, + stream, &table_len ) ) ) + { + FT_TRACE1(( "\n" + "TT_Get_MM_Var: `gvar' or `CFF2' table is missing\n" )); + goto Exit; + } + } + + if ( FT_SET_ERROR( face->goto_table( face, TTAG_fvar, + stream, &table_len ) ) ) + { + FT_TRACE1(( "is missing\n" )); + goto Exit; + } + + fvar_start = FT_STREAM_POS( ); + + /* the validity of the `fvar' header data was already checked */ + /* in function `sfnt_init_face' */ + if ( FT_STREAM_READ_FIELDS( fvar_fields, &fvar_head ) ) + goto Exit; + + usePsName = FT_BOOL( fvar_head.instanceSize == + 6 + 4 * fvar_head.axisCount ); + + FT_TRACE2(( "loaded\n" )); + + FT_TRACE5(( "number of GX style axes: %d\n", fvar_head.axisCount )); + + if ( FT_NEW( face->blend ) ) + goto Exit; + + num_axes = fvar_head.axisCount; + } + else + num_axes = face->blend->num_axis; + + /* `num_instances' holds the number of all named instances, */ + /* including the default instance which might be missing */ + /* in fvar's table of named instances */ + num_instances = (FT_UInt)face->root.style_flags >> 16; + + /* prepare storage area for MM data; this cannot overflow */ + /* 32-bit arithmetic because of the size limits used in the */ + /* `fvar' table validity check in `sfnt_init_face' */ + + /* the various `*_size' variables, which we also use as */ + /* offsets into the `mmlen' array, must be multiples of the */ + /* pointer size (except the last one); without such an */ + /* alignment there might be runtime errors due to */ + /* misaligned addresses */ +#undef ALIGN_SIZE +#define ALIGN_SIZE( n ) \ + ( ( (n) + sizeof (void*) - 1 ) & ~( sizeof (void*) - 1 ) ) + + mmvar_size = ALIGN_SIZE( sizeof ( FT_MM_Var ) ); + axis_flags_size = ALIGN_SIZE( num_axes * + sizeof ( FT_UShort ) ); + axis_size = ALIGN_SIZE( num_axes * + sizeof ( FT_Var_Axis ) ); + namedstyle_size = ALIGN_SIZE( num_instances * + sizeof ( FT_Var_Named_Style ) ); + next_coords_size = ALIGN_SIZE( num_instances * + num_axes * + sizeof ( FT_Fixed ) ); + next_name_size = num_axes * 5; + + if ( need_init ) + { + face->blend->mmvar_len = mmvar_size + + axis_flags_size + + axis_size + + namedstyle_size + + next_coords_size + + next_name_size; + + if ( FT_ALLOC( mmvar, face->blend->mmvar_len ) ) + goto Exit; + face->blend->mmvar = mmvar; + + /* set up pointers and offsets into the `mmvar' array; */ + /* the data gets filled in later on */ + + mmvar->num_axis = + num_axes; + mmvar->num_designs = + ~0U; /* meaningless in this context; each glyph */ + /* may have a different number of designs */ + /* (or tuples, as called by Apple) */ + mmvar->num_namedstyles = + num_instances; + + /* alas, no public field in `FT_Var_Axis' for axis flags */ + axis_flags = + (FT_UShort*)( (char*)mmvar + mmvar_size ); + mmvar->axis = + (FT_Var_Axis*)( (char*)axis_flags + axis_flags_size ); + mmvar->namedstyle = + (FT_Var_Named_Style*)( (char*)mmvar->axis + axis_size ); + + next_coords = (FT_Fixed*)( (char*)mmvar->namedstyle + + namedstyle_size ); + for ( i = 0; i < num_instances; i++ ) + { + mmvar->namedstyle[i].coords = next_coords; + next_coords += num_axes; + } + + next_name = (FT_String*)( (char*)mmvar->namedstyle + + namedstyle_size + next_coords_size ); + for ( i = 0; i < num_axes; i++ ) + { + mmvar->axis[i].name = next_name; + next_name += 5; + } + + /* now fill in the data */ + + if ( FT_STREAM_SEEK( fvar_start + fvar_head.offsetToData ) ) + goto Exit; + + a = mmvar->axis; + for ( i = 0; i < num_axes; i++ ) + { + GX_FVar_Axis axis_rec; + + + if ( FT_STREAM_READ_FIELDS( fvaraxis_fields, &axis_rec ) ) + goto Exit; + a->tag = axis_rec.axisTag; + a->minimum = axis_rec.minValue; + a->def = axis_rec.defaultValue; + a->maximum = axis_rec.maxValue; + a->strid = axis_rec.nameID; + + a->name[0] = (FT_String)( a->tag >> 24 ); + a->name[1] = (FT_String)( ( a->tag >> 16 ) & 0xFF ); + a->name[2] = (FT_String)( ( a->tag >> 8 ) & 0xFF ); + a->name[3] = (FT_String)( ( a->tag ) & 0xFF ); + a->name[4] = '\0'; + + *axis_flags = axis_rec.flags; + + if ( a->minimum > a->def || + a->def > a->maximum ) + { + FT_TRACE2(( "TT_Get_MM_Var:" + " invalid \"%s\" axis record; disabling\n", + a->name )); + + a->minimum = a->def; + a->maximum = a->def; + } + + FT_TRACE5(( " \"%s\":" + " minimum=%.5f, default=%.5f, maximum=%.5f," + " flags=0x%04X\n", + a->name, + a->minimum / 65536.0, + a->def / 65536.0, + a->maximum / 65536.0, + *axis_flags )); + + a++; + axis_flags++; + } + + FT_TRACE5(( "\n" )); + + /* named instance coordinates are stored as design coordinates; */ + /* we have to convert them to normalized coordinates also */ + if ( FT_NEW_ARRAY( face->blend->normalized_stylecoords, + num_axes * num_instances ) ) + goto Exit; + + if ( fvar_head.instanceCount && !face->blend->avar_loaded ) + { + FT_ULong offset = FT_STREAM_POS(); + + + ft_var_load_avar( face ); + + if ( FT_STREAM_SEEK( offset ) ) + goto Exit; + } + + ns = mmvar->namedstyle; + nsc = face->blend->normalized_stylecoords; + for ( i = 0; i < fvar_head.instanceCount; i++, ns++ ) + { + /* PostScript names add 2 bytes to the instance record size */ + if ( FT_FRAME_ENTER( ( usePsName ? 6L : 4L ) + + 4L * num_axes ) ) + goto Exit; + + ns->strid = FT_GET_USHORT(); + (void) /* flags = */ FT_GET_USHORT(); + + c = ns->coords; + for ( j = 0; j < num_axes; j++, c++ ) + *c = FT_GET_LONG(); + + /* valid psid values are 6, [256;32767], and 0xFFFF */ + if ( usePsName ) + ns->psid = FT_GET_USHORT(); + else + ns->psid = 0xFFFF; + + ft_var_to_normalized( face, num_axes, ns->coords, nsc ); + nsc += num_axes; + + FT_FRAME_EXIT(); + } + + if ( num_instances != fvar_head.instanceCount ) + { + SFNT_Service sfnt = (SFNT_Service)face->sfnt; + + FT_Int found, dummy1, dummy2; + FT_UInt strid = ~0U; + + + /* the default instance is missing in array the */ + /* of named instances; try to synthesize an entry */ + found = sfnt->get_name_id( face, + TT_NAME_ID_TYPOGRAPHIC_SUBFAMILY, + &dummy1, + &dummy2 ); + if ( found ) + strid = TT_NAME_ID_TYPOGRAPHIC_SUBFAMILY; + else + { + found = sfnt->get_name_id( face, + TT_NAME_ID_FONT_SUBFAMILY, + &dummy1, + &dummy2 ); + if ( found ) + strid = TT_NAME_ID_FONT_SUBFAMILY; + } + + if ( found ) + { + found = sfnt->get_name_id( face, + TT_NAME_ID_PS_NAME, + &dummy1, + &dummy2 ); + if ( found ) + { + FT_TRACE5(( "TT_Get_MM_Var:" + " Adding default instance to named instances\n" )); + + ns = &mmvar->namedstyle[fvar_head.instanceCount]; + + ns->strid = strid; + ns->psid = TT_NAME_ID_PS_NAME; + + a = mmvar->axis; + c = ns->coords; + for ( j = 0; j < num_axes; j++, a++, c++ ) + *c = a->def; + } + } + } + + ft_var_load_mvar( face ); + } + + /* fill the output array if requested */ + + if ( master ) + { + FT_UInt n; + + + if ( FT_ALLOC( mmvar, face->blend->mmvar_len ) ) + goto Exit; + FT_MEM_COPY( mmvar, face->blend->mmvar, face->blend->mmvar_len ); + + axis_flags = + (FT_UShort*)( (char*)mmvar + mmvar_size ); + mmvar->axis = + (FT_Var_Axis*)( (char*)axis_flags + axis_flags_size ); + mmvar->namedstyle = + (FT_Var_Named_Style*)( (char*)mmvar->axis+ axis_size ); + + next_coords = (FT_Fixed*)( (char*)mmvar->namedstyle + + namedstyle_size ); + for ( n = 0; n < mmvar->num_namedstyles; n++ ) + { + mmvar->namedstyle[n].coords = next_coords; + next_coords += num_axes; + } + + a = mmvar->axis; + next_name = (FT_String*)( (char*)mmvar->namedstyle + + namedstyle_size + next_coords_size ); + for ( n = 0; n < num_axes; n++ ) + { + a->name = next_name; + + /* standard PostScript names for some standard apple tags */ + if ( a->tag == TTAG_wght ) + a->name = (char*)"Weight"; + else if ( a->tag == TTAG_wdth ) + a->name = (char*)"Width"; + else if ( a->tag == TTAG_opsz ) + a->name = (char*)"OpticalSize"; + else if ( a->tag == TTAG_slnt ) + a->name = (char*)"Slant"; + + next_name += 5; + a++; + } + + *master = mmvar; + } + + Exit: + return error; + } + + + static FT_Error + tt_set_mm_blend( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords, + FT_Bool set_design_coords ) + { + FT_Error error = FT_Err_Ok; + GX_Blend blend; + FT_MM_Var* mmvar; + FT_UInt i; + + FT_Bool all_design_coords = FALSE; + + FT_Memory memory = face->root.memory; + + enum + { + mcvt_retain, + mcvt_modify, + mcvt_load + + } manageCvt; + + + face->doblend = FALSE; + + if ( !face->blend ) + { + if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) ) + goto Exit; + } + + blend = face->blend; + mmvar = blend->mmvar; + + if ( num_coords > mmvar->num_axis ) + { + FT_TRACE2(( "TT_Set_MM_Blend:" + " only using first %d of %d coordinates\n", + mmvar->num_axis, num_coords )); + num_coords = mmvar->num_axis; + } + + FT_TRACE5(( "normalized design coordinates:\n" )); + + for ( i = 0; i < num_coords; i++ ) + { + FT_TRACE5(( " %.5f\n", coords[i] / 65536.0 )); + if ( coords[i] < -0x00010000L || coords[i] > 0x00010000L ) + { + FT_TRACE1(( "TT_Set_MM_Blend: normalized design coordinate %.5f\n" + " is out of range [-1;1]\n", + coords[i] / 65536.0 )); + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + } + + FT_TRACE5(( "\n" )); + + if ( !face->is_cff2 && !blend->glyphoffsets ) + if ( FT_SET_ERROR( ft_var_load_gvar( face ) ) ) + goto Exit; + + if ( !blend->coords ) + { + if ( FT_NEW_ARRAY( blend->coords, mmvar->num_axis ) ) + goto Exit; + + /* the first time we have to compute all design coordinates */ + all_design_coords = TRUE; + } + + if ( !blend->normalizedcoords ) + { + if ( FT_NEW_ARRAY( blend->normalizedcoords, mmvar->num_axis ) ) + goto Exit; + + manageCvt = mcvt_modify; + + /* If we have not set the blend coordinates before this, then the */ + /* cvt table will still be what we read from the `cvt ' table and */ + /* we don't need to reload it. We may need to change it though... */ + } + else + { + FT_Bool have_diff = 0; + FT_UInt j; + FT_Fixed* c; + FT_Fixed* n; + + + manageCvt = mcvt_retain; + + for ( i = 0; i < num_coords; i++ ) + { + if ( blend->normalizedcoords[i] != coords[i] ) + { + manageCvt = mcvt_load; + have_diff = 1; + break; + } + } + + if ( FT_IS_NAMED_INSTANCE( FT_FACE( face ) ) ) + { + FT_UInt idx = (FT_UInt)face->root.face_index >> 16; + + + c = blend->normalizedcoords + i; + n = blend->normalized_stylecoords + idx * mmvar->num_axis + i; + for ( j = i; j < mmvar->num_axis; j++, n++, c++ ) + if ( *c != *n ) + have_diff = 1; + } + else + { + c = blend->normalizedcoords + i; + for ( j = i; j < mmvar->num_axis; j++, c++ ) + if ( *c != 0 ) + have_diff = 1; + } + + /* return value -1 indicates `no change' */ + if ( !have_diff ) + return -1; + + for ( ; i < mmvar->num_axis; i++ ) + { + if ( blend->normalizedcoords[i] != 0 ) + { + manageCvt = mcvt_load; + break; + } + } + + /* If we don't change the blend coords then we don't need to do */ + /* anything to the cvt table. It will be correct. Otherwise we */ + /* no longer have the original cvt (it was modified when we set */ + /* the blend last time), so we must reload and then modify it. */ + } + + blend->num_axis = mmvar->num_axis; + FT_MEM_COPY( blend->normalizedcoords, + coords, + num_coords * sizeof ( FT_Fixed ) ); + + if ( set_design_coords ) + ft_var_to_design( face, + all_design_coords ? blend->num_axis : num_coords, + blend->normalizedcoords, + blend->coords ); + + face->doblend = TRUE; + + if ( face->cvt ) + { + switch ( manageCvt ) + { + case mcvt_load: + /* The cvt table has been loaded already; every time we change the */ + /* blend we may need to reload and remodify the cvt table. */ + FT_FREE( face->cvt ); + face->cvt = NULL; + + error = tt_face_load_cvt( face, face->root.stream ); + break; + + case mcvt_modify: + /* The original cvt table is in memory. All we need to do is */ + /* apply the `cvar' table (if any). */ + error = tt_face_vary_cvt( face, face->root.stream ); + break; + + case mcvt_retain: + /* The cvt table is correct for this set of coordinates. */ + break; + } + } + + /* enforce recomputation of the PostScript name; */ + FT_FREE( face->postscript_name ); + face->postscript_name = NULL; + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Set_MM_Blend */ + /* */ + /* <Description> */ + /* Set the blend (normalized) coordinates for this instance of the */ + /* font. Check that the `gvar' table is reasonable and does some */ + /* initial preparation. */ + /* */ + /* <InOut> */ + /* face :: The font. */ + /* Initialize the blend structure with `gvar' data. */ + /* */ + /* <Input> */ + /* num_coords :: The number of available coordinates. If it is */ + /* larger than the number of axes, ignore the excess */ + /* values. If it is smaller than the number of axes, */ + /* use the default value (0) for the remaining axes. */ + /* */ + /* coords :: An array of `num_coords', each between [-1,1]. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Set_MM_Blend( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error; + + + error = tt_set_mm_blend( face, num_coords, coords, 1 ); + if ( error ) + return error; + + if ( num_coords ) + face->root.face_flags |= FT_FACE_FLAG_VARIATION; + else + face->root.face_flags &= ~FT_FACE_FLAG_VARIATION; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Get_MM_Blend */ + /* */ + /* <Description> */ + /* Get the blend (normalized) coordinates for this instance of the */ + /* font. */ + /* */ + /* <InOut> */ + /* face :: The font. */ + /* Initialize the blend structure with `gvar' data. */ + /* */ + /* <Input> */ + /* num_coords :: The number of available coordinates. If it is */ + /* larger than the number of axes, set the excess */ + /* values to 0. */ + /* */ + /* coords :: An array of `num_coords', each between [-1,1]. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Get_MM_Blend( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error = FT_Err_Ok; + GX_Blend blend; + FT_UInt i, nc; + + + if ( !face->blend ) + { + if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) ) + return error; + } + + blend = face->blend; + + if ( !blend->coords ) + { + /* select default instance coordinates */ + /* if no instance is selected yet */ + if ( FT_SET_ERROR( tt_set_mm_blend( face, 0, NULL, 1 ) ) ) + return error; + } + + nc = num_coords; + if ( num_coords > blend->num_axis ) + { + FT_TRACE2(( "TT_Get_MM_Blend:" + " only using first %d of %d coordinates\n", + blend->num_axis, num_coords )); + nc = blend->num_axis; + } + + if ( face->doblend ) + { + for ( i = 0; i < nc; i++ ) + coords[i] = blend->normalizedcoords[i]; + } + else + { + for ( i = 0; i < nc; i++ ) + coords[i] = 0; + } + + for ( ; i < num_coords; i++ ) + coords[i] = 0; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Set_Var_Design */ + /* */ + /* <Description> */ + /* Set the coordinates for the instance, measured in the user */ + /* coordinate system. Parse the `avar' table (if present) to convert */ + /* from user to normalized coordinates. */ + /* */ + /* <InOut> */ + /* face :: The font face. */ + /* Initialize the blend struct with `gvar' data. */ + /* */ + /* <Input> */ + /* num_coords :: The number of available coordinates. If it is */ + /* larger than the number of axes, ignore the excess */ + /* values. If it is smaller than the number of axes, */ + /* use the default values for the remaining axes. */ + /* */ + /* coords :: A coordinate array with `num_coords' elements. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Set_Var_Design( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error = FT_Err_Ok; + GX_Blend blend; + FT_MM_Var* mmvar; + FT_UInt i; + FT_Memory memory = face->root.memory; + + FT_Fixed* c; + FT_Fixed* n; + FT_Fixed* normalized = NULL; + + FT_Bool have_diff = 0; + + + if ( !face->blend ) + { + if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) ) + goto Exit; + } + + blend = face->blend; + mmvar = blend->mmvar; + + if ( num_coords > mmvar->num_axis ) + { + FT_TRACE2(( "TT_Set_Var_Design:" + " only using first %d of %d coordinates\n", + mmvar->num_axis, num_coords )); + num_coords = mmvar->num_axis; + } + + if ( !blend->coords ) + { + if ( FT_NEW_ARRAY( blend->coords, mmvar->num_axis ) ) + goto Exit; + } + + c = blend->coords; + n = coords; + for ( i = 0; i < num_coords; i++, n++, c++ ) + { + if ( *c != *n ) + { + *c = *n; + have_diff = 1; + } + } + + if ( FT_IS_NAMED_INSTANCE( FT_FACE( face ) ) ) + { + FT_UInt instance_index; + FT_Var_Named_Style* named_style; + + + instance_index = (FT_UInt)face->root.face_index >> 16; + named_style = mmvar->namedstyle + instance_index - 1; + + n = named_style->coords + num_coords; + for ( ; i < mmvar->num_axis; i++, n++, c++ ) + { + if ( *c != *n ) + { + *c = *n; + have_diff = 1; + } + } + } + else + { + FT_Var_Axis* a; + + + a = mmvar->axis + num_coords; + for ( ; i < mmvar->num_axis; i++, a++, c++ ) + { + if ( *c != a->def ) + { + *c = a->def; + have_diff = 1; + } + } + } + + /* return value -1 indicates `no change' */ + if ( !have_diff ) + return -1; + + if ( FT_NEW_ARRAY( normalized, mmvar->num_axis ) ) + goto Exit; + + if ( !face->blend->avar_loaded ) + ft_var_load_avar( face ); + + ft_var_to_normalized( face, num_coords, blend->coords, normalized ); + + error = tt_set_mm_blend( face, mmvar->num_axis, normalized, 0 ); + if ( error ) + goto Exit; + + if ( num_coords ) + face->root.face_flags |= FT_FACE_FLAG_VARIATION; + else + face->root.face_flags &= ~FT_FACE_FLAG_VARIATION; + + Exit: + FT_FREE( normalized ); + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Get_Var_Design */ + /* */ + /* <Description> */ + /* Get the design coordinates of the currently selected interpolated */ + /* font. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* num_coords :: The number of design coordinates to retrieve. If it */ + /* is larger than the number of axes, set the excess */ + /* values to~0. */ + /* */ + /* <Output> */ + /* coords :: The design coordinates array. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Get_Var_Design( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error = FT_Err_Ok; + GX_Blend blend; + FT_UInt i, nc; + + + if ( !face->blend ) + { + if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) ) + return error; + } + + blend = face->blend; + + if ( !blend->coords ) + { + /* select default instance coordinates */ + /* if no instance is selected yet */ + if ( FT_SET_ERROR( tt_set_mm_blend( face, 0, NULL, 1 ) ) ) + return error; + } + + nc = num_coords; + if ( num_coords > blend->num_axis ) + { + FT_TRACE2(( "TT_Get_Var_Design:" + " only using first %d of %d coordinates\n", + blend->num_axis, num_coords )); + nc = blend->num_axis; + } + + if ( face->doblend ) + { + for ( i = 0; i < nc; i++ ) + coords[i] = blend->coords[i]; + } + else + { + for ( i = 0; i < nc; i++ ) + coords[i] = 0; + } + + for ( ; i < num_coords; i++ ) + coords[i] = 0; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Set_Named_Instance */ + /* */ + /* <Description> */ + /* Set the given named instance, also resetting any further */ + /* variation. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face. */ + /* */ + /* instance_index :: The instance index, starting with value 1. */ + /* Value 0 indicates to not use an instance. */ + /* */ + /* <Return> */ + /* FreeType error code. 0~means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Set_Named_Instance( TT_Face face, + FT_UInt instance_index ) + { + FT_Error error = FT_ERR( Invalid_Argument ); + GX_Blend blend; + FT_MM_Var* mmvar; + + FT_UInt num_instances; + + + if ( !face->blend ) + { + if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) ) + goto Exit; + } + + blend = face->blend; + mmvar = blend->mmvar; + + num_instances = (FT_UInt)face->root.style_flags >> 16; + + /* `instance_index' starts with value 1, thus `>' */ + if ( instance_index > num_instances ) + goto Exit; + + if ( instance_index > 0 && mmvar->namedstyle ) + { + FT_Memory memory = face->root.memory; + SFNT_Service sfnt = (SFNT_Service)face->sfnt; + + FT_Var_Named_Style* named_style; + FT_String* style_name; + + + named_style = mmvar->namedstyle + instance_index - 1; + + error = sfnt->get_name( face, + (FT_UShort)named_style->strid, + &style_name ); + if ( error ) + goto Exit; + + /* set (or replace) style name */ + FT_FREE( face->root.style_name ); + face->root.style_name = style_name; + + /* finally, select the named instance */ + error = TT_Set_Var_Design( face, + mmvar->num_axis, + named_style->coords ); + if ( error ) + goto Exit; + } + else + error = TT_Set_Var_Design( face, 0, NULL ); + + face->root.face_index = ( instance_index << 16 ) | + ( face->root.face_index & 0xFFFFL ); + face->root.face_flags &= ~FT_FACE_FLAG_VARIATION; + + Exit: + return error; + } + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** GX VAR PARSING ROUTINES *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_vary_cvt */ + /* */ + /* <Description> */ + /* Modify the loaded cvt table according to the `cvar' table and the */ + /* font's blend. */ + /* */ + /* <InOut> */ + /* face :: A handle to the target face object. */ + /* */ + /* <Input> */ + /* stream :: A handle to the input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* Most errors are ignored. It is perfectly valid not to have a */ + /* `cvar' table even if there is a `gvar' and `fvar' table. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_vary_cvt( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + FT_Memory memory = stream->memory; + FT_ULong table_start; + FT_ULong table_len; + FT_UInt tupleCount; + FT_ULong offsetToData; + FT_ULong here; + FT_UInt i, j; + FT_Fixed* tuple_coords = NULL; + FT_Fixed* im_start_coords = NULL; + FT_Fixed* im_end_coords = NULL; + GX_Blend blend = face->blend; + FT_UInt point_count, spoint_count = 0; + FT_UShort* sharedpoints = NULL; + FT_UShort* localpoints = NULL; + FT_UShort* points; + FT_Short* deltas; + + + FT_TRACE2(( "CVAR " )); + + if ( !blend ) + { + FT_TRACE2(( "\n" + "tt_face_vary_cvt: no blend specified\n" )); + error = FT_Err_Ok; + goto Exit; + } + + if ( !face->cvt ) + { + FT_TRACE2(( "\n" + "tt_face_vary_cvt: no `cvt ' table\n" )); + error = FT_Err_Ok; + goto Exit; + } + + error = face->goto_table( face, TTAG_cvar, stream, &table_len ); + if ( error ) + { + FT_TRACE2(( "is missing\n" )); + + error = FT_Err_Ok; + goto Exit; + } + + if ( FT_FRAME_ENTER( table_len ) ) + { + error = FT_Err_Ok; + goto Exit; + } + + table_start = FT_Stream_FTell( stream ); + if ( FT_GET_LONG() != 0x00010000L ) + { + FT_TRACE2(( "bad table version\n" )); + + error = FT_Err_Ok; + goto FExit; + } + + FT_TRACE2(( "loaded\n" )); + + if ( FT_NEW_ARRAY( tuple_coords, blend->num_axis ) || + FT_NEW_ARRAY( im_start_coords, blend->num_axis ) || + FT_NEW_ARRAY( im_end_coords, blend->num_axis ) ) + goto FExit; + + tupleCount = FT_GET_USHORT(); + offsetToData = FT_GET_USHORT(); + + /* rough sanity test */ + if ( offsetToData + ( tupleCount & GX_TC_TUPLE_COUNT_MASK ) * 4 > + table_len ) + { + FT_TRACE2(( "tt_face_vary_cvt:" + " invalid CVT variation array header\n" )); + + error = FT_THROW( Invalid_Table ); + goto FExit; + } + + offsetToData += table_start; + + if ( tupleCount & GX_TC_TUPLES_SHARE_POINT_NUMBERS ) + { + here = FT_Stream_FTell( stream ); + + FT_Stream_SeekSet( stream, offsetToData ); + + sharedpoints = ft_var_readpackedpoints( stream, + table_len, + &spoint_count ); + offsetToData = FT_Stream_FTell( stream ); + + FT_Stream_SeekSet( stream, here ); + } + + FT_TRACE5(( "cvar: there %s %d tuple%s:\n", + ( tupleCount & 0xFFF ) == 1 ? "is" : "are", + tupleCount & 0xFFF, + ( tupleCount & 0xFFF ) == 1 ? "" : "s" )); + + for ( i = 0; i < ( tupleCount & 0xFFF ); i++ ) + { + FT_UInt tupleDataSize; + FT_UInt tupleIndex; + FT_Fixed apply; + + + FT_TRACE6(( " tuple %d:\n", i )); + + tupleDataSize = FT_GET_USHORT(); + tupleIndex = FT_GET_USHORT(); + + if ( tupleIndex & GX_TI_EMBEDDED_TUPLE_COORD ) + { + for ( j = 0; j < blend->num_axis; j++ ) + tuple_coords[j] = FT_GET_SHORT() * 4; /* convert from */ + /* short frac to fixed */ + } + else if ( ( tupleIndex & GX_TI_TUPLE_INDEX_MASK ) >= blend->tuplecount ) + { + FT_TRACE2(( "tt_face_vary_cvt:" + " invalid tuple index\n" )); + + error = FT_THROW( Invalid_Table ); + goto Exit; + } + else + FT_MEM_COPY( + tuple_coords, + &blend->tuplecoords[( tupleIndex & 0xFFF ) * blend->num_axis], + blend->num_axis * sizeof ( FT_Fixed ) ); + + if ( tupleIndex & GX_TI_INTERMEDIATE_TUPLE ) + { + for ( j = 0; j < blend->num_axis; j++ ) + im_start_coords[j] = FT_GET_SHORT() * 4; + for ( j = 0; j < blend->num_axis; j++ ) + im_end_coords[j] = FT_GET_SHORT() * 4; + } + + apply = ft_var_apply_tuple( blend, + (FT_UShort)tupleIndex, + tuple_coords, + im_start_coords, + im_end_coords ); + + if ( apply == 0 ) /* tuple isn't active for our blend */ + { + offsetToData += tupleDataSize; + continue; + } + + here = FT_Stream_FTell( stream ); + + FT_Stream_SeekSet( stream, offsetToData ); + + if ( tupleIndex & GX_TI_PRIVATE_POINT_NUMBERS ) + { + localpoints = ft_var_readpackedpoints( stream, + table_len, + &point_count ); + points = localpoints; + } + else + { + points = sharedpoints; + point_count = spoint_count; + } + + deltas = ft_var_readpackeddeltas( stream, + table_len, + point_count == 0 ? face->cvt_size + : point_count ); + + if ( !points || + !deltas || + ( localpoints == ALL_POINTS && point_count != face->cvt_size ) ) + ; /* failure, ignore it */ + + else if ( localpoints == ALL_POINTS ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + int count = 0; +#endif + + + FT_TRACE7(( " CVT deltas:\n" )); + + /* this means that there are deltas for every entry in cvt */ + for ( j = 0; j < face->cvt_size; j++ ) + { + FT_Long orig_cvt = face->cvt[j]; + + + face->cvt[j] = (FT_Short)( orig_cvt + + FT_MulFix( deltas[j], apply ) ); + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( orig_cvt != face->cvt[j] ) + { + FT_TRACE7(( " %d: %d -> %d\n", + j, orig_cvt, face->cvt[j] )); + count++; + } +#endif + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !count ) + FT_TRACE7(( " none\n" )); +#endif + } + + else + { +#ifdef FT_DEBUG_LEVEL_TRACE + int count = 0; +#endif + + + FT_TRACE7(( " CVT deltas:\n" )); + + for ( j = 0; j < point_count; j++ ) + { + int pindex; + FT_Long orig_cvt; + + + pindex = points[j]; + if ( (FT_ULong)pindex >= face->cvt_size ) + continue; + + orig_cvt = face->cvt[pindex]; + face->cvt[pindex] = (FT_Short)( orig_cvt + + FT_MulFix( deltas[j], apply ) ); + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( orig_cvt != face->cvt[pindex] ) + { + FT_TRACE7(( " %d: %d -> %d\n", + pindex, orig_cvt, face->cvt[pindex] )); + count++; + } +#endif + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !count ) + FT_TRACE7(( " none\n" )); +#endif + } + + if ( localpoints != ALL_POINTS ) + FT_FREE( localpoints ); + FT_FREE( deltas ); + + offsetToData += tupleDataSize; + + FT_Stream_SeekSet( stream, here ); + } + + FT_TRACE5(( "\n" )); + + FExit: + FT_FRAME_EXIT(); + + Exit: + if ( sharedpoints != ALL_POINTS ) + FT_FREE( sharedpoints ); + FT_FREE( tuple_coords ); + FT_FREE( im_start_coords ); + FT_FREE( im_end_coords ); + + return error; + } + + + /* Shift the original coordinates of all points between indices `p1' */ + /* and `p2', using the same difference as given by index `ref'. */ + + /* modeled after `af_iup_shift' */ + + static void + tt_delta_shift( int p1, + int p2, + int ref, + FT_Vector* in_points, + FT_Vector* out_points ) + { + int p; + FT_Vector delta; + + + delta.x = out_points[ref].x - in_points[ref].x; + delta.y = out_points[ref].y - in_points[ref].y; + + if ( delta.x == 0 && delta.y == 0 ) + return; + + for ( p = p1; p < ref; p++ ) + { + out_points[p].x += delta.x; + out_points[p].y += delta.y; + } + + for ( p = ref + 1; p <= p2; p++ ) + { + out_points[p].x += delta.x; + out_points[p].y += delta.y; + } + } + + + /* Interpolate the original coordinates of all points with indices */ + /* between `p1' and `p2', using `ref1' and `ref2' as the reference */ + /* point indices. */ + + /* modeled after `af_iup_interp', `_iup_worker_interpolate', and */ + /* `Ins_IUP' */ + + static void + tt_delta_interpolate( int p1, + int p2, + int ref1, + int ref2, + FT_Vector* in_points, + FT_Vector* out_points ) + { + int p, i; + + FT_Pos out, in1, in2, out1, out2, d1, d2; + + + if ( p1 > p2 ) + return; + + /* handle both horizontal and vertical coordinates */ + for ( i = 0; i <= 1; i++ ) + { + /* shift array pointers so that we can access `foo.y' as `foo.x' */ + in_points = (FT_Vector*)( (FT_Pos*)in_points + i ); + out_points = (FT_Vector*)( (FT_Pos*)out_points + i ); + + if ( in_points[ref1].x > in_points[ref2].x ) + { + p = ref1; + ref1 = ref2; + ref2 = p; + } + + in1 = in_points[ref1].x; + in2 = in_points[ref2].x; + out1 = out_points[ref1].x; + out2 = out_points[ref2].x; + d1 = out1 - in1; + d2 = out2 - in2; + + /* If the reference points have the same coordinate but different */ + /* delta, inferred delta is zero. Otherwise interpolate. */ + if ( in1 != in2 || out1 == out2 ) + { + FT_Fixed scale = in1 != in2 ? FT_DivFix( out2 - out1, in2 - in1 ) + : 0; + + + for ( p = p1; p <= p2; p++ ) + { + out = in_points[p].x; + + if ( out <= in1 ) + out += d1; + else if ( out >= in2 ) + out += d2; + else + out = out1 + FT_MulFix( out - in1, scale ); + + out_points[p].x = out; + } + } + } + } + + + /* Interpolate points without delta values, similar to */ + /* the `IUP' hinting instruction. */ + + /* modeled after `Ins_IUP */ + + static void + tt_interpolate_deltas( FT_Outline* outline, + FT_Vector* out_points, + FT_Vector* in_points, + FT_Bool* has_delta ) + { + FT_Int first_point; + FT_Int end_point; + + FT_Int first_delta; + FT_Int cur_delta; + + FT_Int point; + FT_Short contour; + + + /* ignore empty outlines */ + if ( !outline->n_contours ) + return; + + contour = 0; + point = 0; + + do + { + end_point = outline->contours[contour]; + first_point = point; + + /* search first point that has a delta */ + while ( point <= end_point && !has_delta[point] ) + point++; + + if ( point <= end_point ) + { + first_delta = point; + cur_delta = point; + + point++; + + while ( point <= end_point ) + { + /* search next point that has a delta */ + /* and interpolate intermediate points */ + if ( has_delta[point] ) + { + tt_delta_interpolate( cur_delta + 1, + point - 1, + cur_delta, + point, + in_points, + out_points ); + cur_delta = point; + } + + point++; + } + + /* shift contour if we only have a single delta */ + if ( cur_delta == first_delta ) + tt_delta_shift( first_point, + end_point, + cur_delta, + in_points, + out_points ); + else + { + /* otherwise handle remaining points */ + /* at the end and beginning of the contour */ + tt_delta_interpolate( cur_delta + 1, + end_point, + cur_delta, + first_delta, + in_points, + out_points ); + + if ( first_delta > 0 ) + tt_delta_interpolate( first_point, + first_delta - 1, + cur_delta, + first_delta, + in_points, + out_points ); + } + } + contour++; + + } while ( contour < outline->n_contours ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Vary_Apply_Glyph_Deltas */ + /* */ + /* <Description> */ + /* Apply the appropriate deltas to the current glyph. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* glyph_index :: The index of the glyph being modified. */ + /* */ + /* n_points :: The number of the points in the glyph, including */ + /* phantom points. */ + /* */ + /* <InOut> */ + /* outline :: The outline to change. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Vary_Apply_Glyph_Deltas( TT_Face face, + FT_UInt glyph_index, + FT_Outline* outline, + FT_UInt n_points ) + { + FT_Stream stream = face->root.stream; + FT_Memory memory = stream->memory; + GX_Blend blend = face->blend; + + FT_Vector* points_org = NULL; + FT_Vector* points_out = NULL; + FT_Bool* has_delta = NULL; + + FT_Error error; + FT_ULong glyph_start; + FT_UInt tupleCount; + FT_ULong offsetToData; + FT_ULong here; + FT_UInt i, j; + FT_Fixed* tuple_coords = NULL; + FT_Fixed* im_start_coords = NULL; + FT_Fixed* im_end_coords = NULL; + FT_UInt point_count, spoint_count = 0; + FT_UShort* sharedpoints = NULL; + FT_UShort* localpoints = NULL; + FT_UShort* points; + FT_Short *deltas_x, *deltas_y; + + + if ( !face->doblend || !blend ) + return FT_THROW( Invalid_Argument ); + + if ( glyph_index >= blend->gv_glyphcnt || + blend->glyphoffsets[glyph_index] == + blend->glyphoffsets[glyph_index + 1] ) + { + FT_TRACE2(( "TT_Vary_Apply_Glyph_Deltas:" + " no variation data for this glyph\n" )); + return FT_Err_Ok; + } + + if ( FT_NEW_ARRAY( points_org, n_points ) || + FT_NEW_ARRAY( points_out, n_points ) || + FT_NEW_ARRAY( has_delta, n_points ) ) + goto Fail1; + + if ( FT_STREAM_SEEK( blend->glyphoffsets[glyph_index] ) || + FT_FRAME_ENTER( blend->glyphoffsets[glyph_index + 1] - + blend->glyphoffsets[glyph_index] ) ) + goto Fail1; + + glyph_start = FT_Stream_FTell( stream ); + + /* each set of glyph variation data is formatted similarly to `cvar' */ + + if ( FT_NEW_ARRAY( tuple_coords, blend->num_axis ) || + FT_NEW_ARRAY( im_start_coords, blend->num_axis ) || + FT_NEW_ARRAY( im_end_coords, blend->num_axis ) ) + goto Fail2; + + tupleCount = FT_GET_USHORT(); + offsetToData = FT_GET_USHORT(); + + /* rough sanity test */ + if ( offsetToData + ( tupleCount & GX_TC_TUPLE_COUNT_MASK ) * 4 > + blend->gvar_size ) + { + FT_TRACE2(( "TT_Vary_Apply_Glyph_Deltas:" + " invalid glyph variation array header\n" )); + + error = FT_THROW( Invalid_Table ); + goto Fail2; + } + + offsetToData += glyph_start; + + if ( tupleCount & GX_TC_TUPLES_SHARE_POINT_NUMBERS ) + { + here = FT_Stream_FTell( stream ); + + FT_Stream_SeekSet( stream, offsetToData ); + + sharedpoints = ft_var_readpackedpoints( stream, + blend->gvar_size, + &spoint_count ); + offsetToData = FT_Stream_FTell( stream ); + + FT_Stream_SeekSet( stream, here ); + } + + FT_TRACE5(( "gvar: there %s %d tuple%s:\n", + ( tupleCount & GX_TC_TUPLE_COUNT_MASK ) == 1 ? "is" : "are", + tupleCount & GX_TC_TUPLE_COUNT_MASK, + ( tupleCount & GX_TC_TUPLE_COUNT_MASK ) == 1 ? "" : "s" )); + + for ( j = 0; j < n_points; j++ ) + points_org[j] = outline->points[j]; + + for ( i = 0; i < ( tupleCount & GX_TC_TUPLE_COUNT_MASK ); i++ ) + { + FT_UInt tupleDataSize; + FT_UInt tupleIndex; + FT_Fixed apply; + + + FT_TRACE6(( " tuple %d:\n", i )); + + tupleDataSize = FT_GET_USHORT(); + tupleIndex = FT_GET_USHORT(); + + if ( tupleIndex & GX_TI_EMBEDDED_TUPLE_COORD ) + { + for ( j = 0; j < blend->num_axis; j++ ) + tuple_coords[j] = FT_GET_SHORT() * 4; /* convert from */ + /* short frac to fixed */ + } + else if ( ( tupleIndex & GX_TI_TUPLE_INDEX_MASK ) >= blend->tuplecount ) + { + FT_TRACE2(( "TT_Vary_Apply_Glyph_Deltas:" + " invalid tuple index\n" )); + + error = FT_THROW( Invalid_Table ); + goto Fail2; + } + else + FT_MEM_COPY( + tuple_coords, + &blend->tuplecoords[( tupleIndex & 0xFFF ) * blend->num_axis], + blend->num_axis * sizeof ( FT_Fixed ) ); + + if ( tupleIndex & GX_TI_INTERMEDIATE_TUPLE ) + { + for ( j = 0; j < blend->num_axis; j++ ) + im_start_coords[j] = FT_GET_SHORT() * 4; + for ( j = 0; j < blend->num_axis; j++ ) + im_end_coords[j] = FT_GET_SHORT() * 4; + } + + apply = ft_var_apply_tuple( blend, + (FT_UShort)tupleIndex, + tuple_coords, + im_start_coords, + im_end_coords ); + + if ( apply == 0 ) /* tuple isn't active for our blend */ + { + offsetToData += tupleDataSize; + continue; + } + + here = FT_Stream_FTell( stream ); + + FT_Stream_SeekSet( stream, offsetToData ); + + if ( tupleIndex & GX_TI_PRIVATE_POINT_NUMBERS ) + { + localpoints = ft_var_readpackedpoints( stream, + blend->gvar_size, + &point_count ); + points = localpoints; + } + else + { + points = sharedpoints; + point_count = spoint_count; + } + + deltas_x = ft_var_readpackeddeltas( stream, + blend->gvar_size, + point_count == 0 ? n_points + : point_count ); + deltas_y = ft_var_readpackeddeltas( stream, + blend->gvar_size, + point_count == 0 ? n_points + : point_count ); + + if ( !points || !deltas_y || !deltas_x ) + ; /* failure, ignore it */ + + else if ( points == ALL_POINTS ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + int count = 0; +#endif + + + FT_TRACE7(( " point deltas:\n" )); + + /* this means that there are deltas for every point in the glyph */ + for ( j = 0; j < n_points; j++ ) + { + FT_Pos delta_x = FT_MulFix( deltas_x[j], apply ); + FT_Pos delta_y = FT_MulFix( deltas_y[j], apply ); + + + if ( j < n_points - 4 ) + { + outline->points[j].x += delta_x; + outline->points[j].y += delta_y; + } + else + { + /* To avoid double adjustment of advance width or height, */ + /* adjust phantom points only if there is no HVAR or VVAR */ + /* support, respectively. */ + if ( j == ( n_points - 4 ) && + !( face->variation_support & + TT_FACE_FLAG_VAR_LSB ) ) + outline->points[j].x += delta_x; + + else if ( j == ( n_points - 3 ) && + !( face->variation_support & + TT_FACE_FLAG_VAR_HADVANCE ) ) + outline->points[j].x += delta_x; + + else if ( j == ( n_points - 2 ) && + !( face->variation_support & + TT_FACE_FLAG_VAR_TSB ) ) + outline->points[j].y += delta_y; + + else if ( j == ( n_points - 1 ) && + !( face->variation_support & + TT_FACE_FLAG_VAR_VADVANCE ) ) + outline->points[j].y += delta_y; + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( delta_x || delta_y ) + { + FT_TRACE7(( " %d: (%d, %d) -> (%d, %d)\n", + j, + outline->points[j].x - delta_x, + outline->points[j].y - delta_y, + outline->points[j].x, + outline->points[j].y )); + count++; + } +#endif + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !count ) + FT_TRACE7(( " none\n" )); +#endif + } + + else + { +#ifdef FT_DEBUG_LEVEL_TRACE + int count = 0; +#endif + + + /* we have to interpolate the missing deltas similar to the */ + /* IUP bytecode instruction */ + for ( j = 0; j < n_points; j++ ) + { + has_delta[j] = FALSE; + points_out[j] = points_org[j]; + } + + for ( j = 0; j < point_count; j++ ) + { + FT_UShort idx = points[j]; + + + if ( idx >= n_points ) + continue; + + has_delta[idx] = TRUE; + + points_out[idx].x += FT_MulFix( deltas_x[j], apply ); + points_out[idx].y += FT_MulFix( deltas_y[j], apply ); + } + + /* no need to handle phantom points here, */ + /* since solitary points can't be interpolated */ + tt_interpolate_deltas( outline, + points_out, + points_org, + has_delta ); + + FT_TRACE7(( " point deltas:\n" )); + + for ( j = 0; j < n_points; j++ ) + { + FT_Pos delta_x = points_out[j].x - points_org[j].x; + FT_Pos delta_y = points_out[j].y - points_org[j].y; + + + if ( j < n_points - 4 ) + { + outline->points[j].x += delta_x; + outline->points[j].y += delta_y; + } + else + { + /* To avoid double adjustment of advance width or height, */ + /* adjust phantom points only if there is no HVAR or VVAR */ + /* support, respectively. */ + if ( j == ( n_points - 4 ) && + !( face->variation_support & + TT_FACE_FLAG_VAR_LSB ) ) + outline->points[j].x += delta_x; + + else if ( j == ( n_points - 3 ) && + !( face->variation_support & + TT_FACE_FLAG_VAR_HADVANCE ) ) + outline->points[j].x += delta_x; + + else if ( j == ( n_points - 2 ) && + !( face->variation_support & + TT_FACE_FLAG_VAR_TSB ) ) + outline->points[j].y += delta_y; + + else if ( j == ( n_points - 1 ) && + !( face->variation_support & + TT_FACE_FLAG_VAR_VADVANCE ) ) + outline->points[j].y += delta_y; + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( delta_x || delta_y ) + { + FT_TRACE7(( " %d: (%d, %d) -> (%d, %d)\n", + j, + outline->points[j].x - delta_x, + outline->points[j].y - delta_y, + outline->points[j].x, + outline->points[j].y )); + count++; + } +#endif + } + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( !count ) + FT_TRACE7(( " none\n" )); +#endif + } + + if ( localpoints != ALL_POINTS ) + FT_FREE( localpoints ); + FT_FREE( deltas_x ); + FT_FREE( deltas_y ); + + offsetToData += tupleDataSize; + + FT_Stream_SeekSet( stream, here ); + } + + FT_TRACE5(( "\n" )); + + Fail2: + if ( sharedpoints != ALL_POINTS ) + FT_FREE( sharedpoints ); + FT_FREE( tuple_coords ); + FT_FREE( im_start_coords ); + FT_FREE( im_end_coords ); + + FT_FRAME_EXIT(); + + Fail1: + FT_FREE( points_org ); + FT_FREE( points_out ); + FT_FREE( has_delta ); + + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_get_var_blend */ + /* */ + /* <Description> */ + /* An extended internal version of `TT_Get_MM_Blend' that returns */ + /* pointers instead of copying data, without any initialization of */ + /* the MM machinery in case it isn't loaded yet. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_get_var_blend( TT_Face face, + FT_UInt *num_coords, + FT_Fixed* *coords, + FT_Fixed* *normalizedcoords, + FT_MM_Var* *mm_var ) + { + if ( face->blend ) + { + if ( num_coords ) + *num_coords = face->blend->num_axis; + if ( coords ) + *coords = face->blend->coords; + if ( normalizedcoords ) + *normalizedcoords = face->blend->normalizedcoords; + if ( mm_var ) + *mm_var = face->blend->mmvar; + } + else + { + if ( num_coords ) + *num_coords = 0; + if ( coords ) + *coords = NULL; + if ( mm_var ) + *mm_var = NULL; + } + + return FT_Err_Ok; + } + + + static void + ft_var_done_item_variation_store( TT_Face face, + GX_ItemVarStore itemStore ) + { + FT_Memory memory = FT_FACE_MEMORY( face ); + FT_UInt i; + + + if ( itemStore->varData ) + { + for ( i = 0; i < itemStore->dataCount; i++ ) + { + FT_FREE( itemStore->varData[i].regionIndices ); + FT_FREE( itemStore->varData[i].deltaSet ); + } + + FT_FREE( itemStore->varData ); + } + + if ( itemStore->varRegionList ) + { + for ( i = 0; i < itemStore->regionCount; i++ ) + FT_FREE( itemStore->varRegionList[i].axisList ); + + FT_FREE( itemStore->varRegionList ); + } + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_done_blend */ + /* */ + /* <Description> */ + /* Free the blend internal data structure. */ + /* */ + FT_LOCAL_DEF( void ) + tt_done_blend( TT_Face face ) + { + FT_Memory memory = FT_FACE_MEMORY( face ); + GX_Blend blend = face->blend; + + + if ( blend ) + { + FT_UInt i, num_axes; + + + /* blend->num_axis might not be set up yet */ + num_axes = blend->mmvar->num_axis; + + FT_FREE( blend->coords ); + FT_FREE( blend->normalizedcoords ); + FT_FREE( blend->normalized_stylecoords ); + FT_FREE( blend->mmvar ); + + if ( blend->avar_segment ) + { + for ( i = 0; i < num_axes; i++ ) + FT_FREE( blend->avar_segment[i].correspondence ); + FT_FREE( blend->avar_segment ); + } + + if ( blend->hvar_table ) + { + ft_var_done_item_variation_store( face, + &blend->hvar_table->itemStore ); + + FT_FREE( blend->hvar_table->widthMap.innerIndex ); + FT_FREE( blend->hvar_table->widthMap.outerIndex ); + FT_FREE( blend->hvar_table ); + } + + if ( blend->vvar_table ) + { + ft_var_done_item_variation_store( face, + &blend->vvar_table->itemStore ); + + FT_FREE( blend->vvar_table->widthMap.innerIndex ); + FT_FREE( blend->vvar_table->widthMap.outerIndex ); + FT_FREE( blend->vvar_table ); + } + + if ( blend->mvar_table ) + { + ft_var_done_item_variation_store( face, + &blend->mvar_table->itemStore ); + + FT_FREE( blend->mvar_table->values ); + FT_FREE( blend->mvar_table ); + } + + FT_FREE( blend->tuplecoords ); + FT_FREE( blend->glyphoffsets ); + FT_FREE( blend ); + } + } + +#else /* !TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + /* ANSI C doesn't like empty source files */ + typedef int _tt_gxvar_dummy; + +#endif /* !TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgxvar.h b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgxvar.h new file mode 100644 index 00000000000..a37bb90266c --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttgxvar.h @@ -0,0 +1,453 @@ +/***************************************************************************/ +/* */ +/* ttgxvar.h */ +/* */ +/* TrueType GX Font Variation loader (specification) */ +/* */ +/* Copyright 2004-2018 by */ +/* David Turner, Robert Wilhelm, Werner Lemberg and George Williams. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTGXVAR_H_ +#define TTGXVAR_H_ + + +#include <ft2build.h> +#include "ttobjs.h" + + +FT_BEGIN_HEADER + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* GX_AVarCorrespondenceRec */ + /* */ + /* <Description> */ + /* A data structure representing `shortFracCorrespondence' in `avar' */ + /* table according to the specifications from Apple. */ + /* */ + typedef struct GX_AVarCorrespondenceRec_ + { + FT_Fixed fromCoord; + FT_Fixed toCoord; + + } GX_AVarCorrespondenceRec_, *GX_AVarCorrespondence; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* GX_AVarRec */ + /* */ + /* <Description> */ + /* Data from the segment field of `avar' table. */ + /* There is one of these for each axis. */ + /* */ + typedef struct GX_AVarSegmentRec_ + { + FT_UShort pairCount; + GX_AVarCorrespondence correspondence; /* array with pairCount entries */ + + } GX_AVarSegmentRec, *GX_AVarSegment; + + + typedef struct GX_ItemVarDataRec_ + { + FT_UInt itemCount; /* number of delta sets per item */ + FT_UInt regionIdxCount; /* number of region indices in this data */ + FT_UInt* regionIndices; /* array of `regionCount' indices; */ + /* these index `varRegionList' */ + FT_Short* deltaSet; /* array of `itemCount' deltas */ + /* use `innerIndex' for this array */ + + } GX_ItemVarDataRec, *GX_ItemVarData; + + + /* contribution of one axis to a region */ + typedef struct GX_AxisCoordsRec_ + { + FT_Fixed startCoord; + FT_Fixed peakCoord; /* zero means no effect (factor = 1) */ + FT_Fixed endCoord; + + } GX_AxisCoordsRec, *GX_AxisCoords; + + + typedef struct GX_VarRegionRec_ + { + GX_AxisCoords axisList; /* array of axisCount records */ + + } GX_VarRegionRec, *GX_VarRegion; + + + /* item variation store */ + typedef struct GX_ItemVarStoreRec_ + { + FT_UInt dataCount; + GX_ItemVarData varData; /* array of dataCount records; */ + /* use `outerIndex' for this array */ + FT_UShort axisCount; + FT_UInt regionCount; /* total number of regions defined */ + GX_VarRegion varRegionList; + + } GX_ItemVarStoreRec, *GX_ItemVarStore; + + + typedef struct GX_DeltaSetIdxMapRec_ + { + FT_UInt mapCount; + FT_UInt* outerIndex; /* indices to item var data */ + FT_UInt* innerIndex; /* indices to delta set */ + + } GX_DeltaSetIdxMapRec, *GX_DeltaSetIdxMap; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* GX_HVVarTableRec */ + /* */ + /* <Description> */ + /* Data from either the `HVAR' or `VVAR' table. */ + /* */ + typedef struct GX_HVVarTableRec_ + { + GX_ItemVarStoreRec itemStore; /* Item Variation Store */ + GX_DeltaSetIdxMapRec widthMap; /* Advance Width Mapping */ + +#if 0 + GX_DeltaSetIdxMapRec lsbMap; /* not implemented */ + GX_DeltaSetIdxMapRec rsbMap; /* not implemented */ + + GX_DeltaSetIdxMapRec tsbMap; /* not implemented */ + GX_DeltaSetIdxMapRec bsbMap; /* not implemented */ + GX_DeltaSetIdxMapRec vorgMap; /* not implemented */ +#endif + + } GX_HVVarTableRec, *GX_HVVarTable; + + +#define MVAR_TAG_GASP_0 FT_MAKE_TAG( 'g', 's', 'p', '0' ) +#define MVAR_TAG_GASP_1 FT_MAKE_TAG( 'g', 's', 'p', '1' ) +#define MVAR_TAG_GASP_2 FT_MAKE_TAG( 'g', 's', 'p', '2' ) +#define MVAR_TAG_GASP_3 FT_MAKE_TAG( 'g', 's', 'p', '3' ) +#define MVAR_TAG_GASP_4 FT_MAKE_TAG( 'g', 's', 'p', '4' ) +#define MVAR_TAG_GASP_5 FT_MAKE_TAG( 'g', 's', 'p', '5' ) +#define MVAR_TAG_GASP_6 FT_MAKE_TAG( 'g', 's', 'p', '6' ) +#define MVAR_TAG_GASP_7 FT_MAKE_TAG( 'g', 's', 'p', '7' ) +#define MVAR_TAG_GASP_8 FT_MAKE_TAG( 'g', 's', 'p', '8' ) +#define MVAR_TAG_GASP_9 FT_MAKE_TAG( 'g', 's', 'p', '9' ) + +#define MVAR_TAG_CPHT FT_MAKE_TAG( 'c', 'p', 'h', 't' ) +#define MVAR_TAG_HASC FT_MAKE_TAG( 'h', 'a', 's', 'c' ) +#define MVAR_TAG_HCLA FT_MAKE_TAG( 'h', 'c', 'l', 'a' ) +#define MVAR_TAG_HCLD FT_MAKE_TAG( 'h', 'c', 'l', 'd' ) +#define MVAR_TAG_HCOF FT_MAKE_TAG( 'h', 'c', 'o', 'f' ) +#define MVAR_TAG_HCRN FT_MAKE_TAG( 'h', 'c', 'r', 'n' ) +#define MVAR_TAG_HCRS FT_MAKE_TAG( 'h', 'c', 'r', 's' ) +#define MVAR_TAG_HDSC FT_MAKE_TAG( 'h', 'd', 's', 'c' ) +#define MVAR_TAG_HLGP FT_MAKE_TAG( 'h', 'l', 'g', 'p' ) +#define MVAR_TAG_SBXO FT_MAKE_TAG( 's', 'b', 'x', 'o' ) +#define MVAR_TAG_SBXS FT_MAKE_TAG( 's', 'b', 'x', 's' ) +#define MVAR_TAG_SBYO FT_MAKE_TAG( 's', 'b', 'y', 'o' ) +#define MVAR_TAG_SBYS FT_MAKE_TAG( 's', 'b', 'y', 's' ) +#define MVAR_TAG_SPXO FT_MAKE_TAG( 's', 'p', 'x', 'o' ) +#define MVAR_TAG_SPXS FT_MAKE_TAG( 's', 'p', 'x', 's' ) +#define MVAR_TAG_SPYO FT_MAKE_TAG( 's', 'p', 'y', 'o' ) +#define MVAR_TAG_SPYS FT_MAKE_TAG( 's', 'p', 'y', 's' ) +#define MVAR_TAG_STRO FT_MAKE_TAG( 's', 't', 'r', 'o' ) +#define MVAR_TAG_STRS FT_MAKE_TAG( 's', 't', 'r', 's' ) +#define MVAR_TAG_UNDO FT_MAKE_TAG( 'u', 'n', 'd', 'o' ) +#define MVAR_TAG_UNDS FT_MAKE_TAG( 'u', 'n', 'd', 's' ) +#define MVAR_TAG_VASC FT_MAKE_TAG( 'v', 'a', 's', 'c' ) +#define MVAR_TAG_VCOF FT_MAKE_TAG( 'v', 'c', 'o', 'f' ) +#define MVAR_TAG_VCRN FT_MAKE_TAG( 'v', 'c', 'r', 'n' ) +#define MVAR_TAG_VCRS FT_MAKE_TAG( 'v', 'c', 'r', 's' ) +#define MVAR_TAG_VDSC FT_MAKE_TAG( 'v', 'd', 's', 'c' ) +#define MVAR_TAG_VLGP FT_MAKE_TAG( 'v', 'l', 'g', 'p' ) +#define MVAR_TAG_XHGT FT_MAKE_TAG( 'x', 'h', 'g', 't' ) + + + typedef struct GX_ValueRec_ + { + FT_ULong tag; + FT_UShort outerIndex; + FT_UShort innerIndex; + + FT_Short unmodified; /* values are either FT_Short or FT_UShort */ + + } GX_ValueRec, *GX_Value; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* GX_MVarTableRec */ + /* */ + /* <Description> */ + /* Data from the `MVAR' table. */ + /* */ + typedef struct GX_MVarTableRec_ + { + FT_UShort valueCount; + + GX_ItemVarStoreRec itemStore; /* Item Variation Store */ + GX_Value values; /* Value Records */ + + } GX_MVarTableRec, *GX_MVarTable; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* GX_BlendRec */ + /* */ + /* <Description> */ + /* Data for interpolating a font from a distortable font specified */ + /* by the GX *var tables ([fgcahvm]var). */ + /* */ + /* <Fields> */ + /* num_axis :: */ + /* The number of axes along which interpolation may happen. */ + /* */ + /* coords :: */ + /* An array of design coordinates (in user space) indicating the */ + /* contribution along each axis to the final interpolated font. */ + /* `normalizedcoords' holds the same values. */ + /* */ + /* normalizedcoords :: */ + /* An array of normalized values (between [-1,1]) indicating the */ + /* contribution along each axis to the final interpolated font. */ + /* `coords' holds the same values. */ + /* */ + /* mmvar :: */ + /* Data from the `fvar' table. */ + /* */ + /* mmvar_len :: */ + /* The length of the `mmvar' structure. */ + /* */ + /* normalized_stylecoords :: */ + /* A two-dimensional array that holds the named instance data from */ + /* `mmvar' as normalized values. */ + /* */ + /* avar_loaded :: */ + /* A Boolean; if set, FreeType tried to load (and parse) the `avar' */ + /* table. */ + /* */ + /* avar_segment :: */ + /* Data from the `avar' table. */ + /* */ + /* hvar_loaded :: */ + /* A Boolean; if set, FreeType tried to load (and parse) the `hvar' */ + /* table. */ + /* */ + /* hvar_checked :: */ + /* A Boolean; if set, FreeType successfully loaded and parsed the */ + /* `hvar' table. */ + /* */ + /* hvar_error :: */ + /* If loading and parsing of the `hvar' table failed, this field */ + /* holds the corresponding error code. */ + /* */ + /* hvar_table :: */ + /* Data from the `hvar' table. */ + /* */ + /* vvar_loaded :: */ + /* A Boolean; if set, FreeType tried to load (and parse) the `vvar' */ + /* table. */ + /* */ + /* vvar_checked :: */ + /* A Boolean; if set, FreeType successfully loaded and parsed the */ + /* `vvar' table. */ + /* */ + /* vvar_error :: */ + /* If loading and parsing of the `vvar' table failed, this field */ + /* holds the corresponding error code. */ + /* */ + /* vvar_table :: */ + /* Data from the `vvar' table. */ + /* */ + /* mvar_table :: */ + /* Data from the `mvar' table. */ + /* */ + /* tuplecount :: */ + /* The number of shared tuples in the `gvar' table. */ + /* */ + /* tuplecoords :: */ + /* A two-dimensional array that holds the shared tuple coordinates */ + /* in the `gvar' table. */ + /* */ + /* gv_glyphcnt :: */ + /* The number of glyphs handled in the `gvar' table. */ + /* */ + /* glyphoffsets :: */ + /* Offsets into the glyph variation data array. */ + /* */ + /* gvar_size :: */ + /* The size of the `gvar' table. */ + /* */ + typedef struct GX_BlendRec_ + { + FT_UInt num_axis; + FT_Fixed* coords; + FT_Fixed* normalizedcoords; + + FT_MM_Var* mmvar; + FT_Offset mmvar_len; + + FT_Fixed* normalized_stylecoords; + /* normalized_stylecoords[num_namedstyles][num_axis] */ + + FT_Bool avar_loaded; + GX_AVarSegment avar_segment; /* avar_segment[num_axis] */ + + FT_Bool hvar_loaded; + FT_Bool hvar_checked; + FT_Error hvar_error; + GX_HVVarTable hvar_table; + + FT_Bool vvar_loaded; + FT_Bool vvar_checked; + FT_Error vvar_error; + GX_HVVarTable vvar_table; + + GX_MVarTable mvar_table; + + FT_UInt tuplecount; + FT_Fixed* tuplecoords; /* tuplecoords[tuplecount][num_axis] */ + + FT_UInt gv_glyphcnt; + FT_ULong* glyphoffsets; /* glyphoffsets[gv_glyphcnt + 1] */ + + FT_ULong gvar_size; + + } GX_BlendRec; + + + /*************************************************************************/ + /* */ + /* <enum> */ + /* GX_TupleCountFlags */ + /* */ + /* <Description> */ + /* Flags used within the `TupleCount' field of the `gvar' table. */ + /* */ + typedef enum GX_TupleCountFlags_ + { + GX_TC_TUPLES_SHARE_POINT_NUMBERS = 0x8000, + GX_TC_RESERVED_TUPLE_FLAGS = 0x7000, + GX_TC_TUPLE_COUNT_MASK = 0x0FFF + + } GX_TupleCountFlags; + + + /*************************************************************************/ + /* */ + /* <enum> */ + /* GX_TupleIndexFlags */ + /* */ + /* <Description> */ + /* Flags used within the `TupleIndex' field of the `gvar' and `cvar' */ + /* tables. */ + /* */ + typedef enum GX_TupleIndexFlags_ + { + GX_TI_EMBEDDED_TUPLE_COORD = 0x8000, + GX_TI_INTERMEDIATE_TUPLE = 0x4000, + GX_TI_PRIVATE_POINT_NUMBERS = 0x2000, + GX_TI_RESERVED_TUPLE_FLAG = 0x1000, + GX_TI_TUPLE_INDEX_MASK = 0x0FFF + + } GX_TupleIndexFlags; + + +#define TTAG_wght FT_MAKE_TAG( 'w', 'g', 'h', 't' ) +#define TTAG_wdth FT_MAKE_TAG( 'w', 'd', 't', 'h' ) +#define TTAG_opsz FT_MAKE_TAG( 'o', 'p', 's', 'z' ) +#define TTAG_slnt FT_MAKE_TAG( 's', 'l', 'n', 't' ) + + + FT_LOCAL( FT_Error ) + TT_Set_MM_Blend( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + FT_LOCAL( FT_Error ) + TT_Get_MM_Blend( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + FT_LOCAL( FT_Error ) + TT_Set_Var_Design( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + FT_LOCAL( FT_Error ) + TT_Get_MM_Var( TT_Face face, + FT_MM_Var* *master ); + + FT_LOCAL( FT_Error ) + TT_Get_Var_Design( TT_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + FT_LOCAL( FT_Error ) + TT_Set_Named_Instance( TT_Face face, + FT_UInt instance_index ); + + FT_LOCAL( FT_Error ) + tt_face_vary_cvt( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + TT_Vary_Apply_Glyph_Deltas( TT_Face face, + FT_UInt glyph_index, + FT_Outline* outline, + FT_UInt n_points ); + + FT_LOCAL( FT_Error ) + tt_hadvance_adjust( TT_Face face, + FT_UInt gindex, + FT_Int *adelta ); + + FT_LOCAL( FT_Error ) + tt_vadvance_adjust( TT_Face face, + FT_UInt gindex, + FT_Int *adelta ); + + FT_LOCAL( void ) + tt_apply_mvar( TT_Face face ); + + FT_LOCAL( FT_Error ) + tt_get_var_blend( TT_Face face, + FT_UInt *num_coords, + FT_Fixed* *coords, + FT_Fixed* *normalizedcoords, + FT_MM_Var* *mm_var ); + + FT_LOCAL( void ) + tt_done_blend( TT_Face face ); + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + +FT_END_HEADER + + +#endif /* TTGXVAR_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttinterp.c b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttinterp.c new file mode 100644 index 00000000000..d855aaaa9c6 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttinterp.c @@ -0,0 +1,8512 @@ +/***************************************************************************/ +/* */ +/* ttinterp.c */ +/* */ +/* TrueType bytecode interpreter (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +/* Greg Hitchcock from Microsoft has helped a lot in resolving unclear */ +/* issues; many thanks! */ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_CALC_H +#include FT_TRIGONOMETRY_H +#include FT_SYSTEM_H +#include FT_DRIVER_H +#include FT_MULTIPLE_MASTERS_H + +#include "ttinterp.h" +#include "tterrors.h" +#include "ttsubpix.h" +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include "ttgxvar.h" +#endif + + +#ifdef TT_USE_BYTECODE_INTERPRETER + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttinterp + + +#define NO_SUBPIXEL_HINTING \ + ( ((TT_Driver)FT_FACE_DRIVER( exc->face ))->interpreter_version == \ + TT_INTERPRETER_VERSION_35 ) + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY +#define SUBPIXEL_HINTING_INFINALITY \ + ( ((TT_Driver)FT_FACE_DRIVER( exc->face ))->interpreter_version == \ + TT_INTERPRETER_VERSION_38 ) +#endif + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL +#define SUBPIXEL_HINTING_MINIMAL \ + ( ((TT_Driver)FT_FACE_DRIVER( exc->face ))->interpreter_version == \ + TT_INTERPRETER_VERSION_40 ) +#endif + +#define PROJECT( v1, v2 ) \ + exc->func_project( exc, \ + SUB_LONG( (v1)->x, (v2)->x ), \ + SUB_LONG( (v1)->y, (v2)->y ) ) + +#define DUALPROJ( v1, v2 ) \ + exc->func_dualproj( exc, \ + SUB_LONG( (v1)->x, (v2)->x ), \ + SUB_LONG( (v1)->y, (v2)->y ) ) + +#define FAST_PROJECT( v ) \ + exc->func_project( exc, (v)->x, (v)->y ) + +#define FAST_DUALPROJ( v ) \ + exc->func_dualproj( exc, (v)->x, (v)->y ) + + + /*************************************************************************/ + /* */ + /* Two simple bounds-checking macros. */ + /* */ +#define BOUNDS( x, n ) ( (FT_UInt)(x) >= (FT_UInt)(n) ) +#define BOUNDSL( x, n ) ( (FT_ULong)(x) >= (FT_ULong)(n) ) + + +#undef SUCCESS +#define SUCCESS 0 + +#undef FAILURE +#define FAILURE 1 + + + /*************************************************************************/ + /* */ + /* CODERANGE FUNCTIONS */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Goto_CodeRange */ + /* */ + /* <Description> */ + /* Switches to a new code range (updates the code related elements in */ + /* `exec', and `IP'). */ + /* */ + /* <Input> */ + /* range :: The new execution code range. */ + /* */ + /* IP :: The new IP in the new code range. */ + /* */ + /* <InOut> */ + /* exec :: The target execution context. */ + /* */ + FT_LOCAL_DEF( void ) + TT_Goto_CodeRange( TT_ExecContext exec, + FT_Int range, + FT_Long IP ) + { + TT_CodeRange* coderange; + + + FT_ASSERT( range >= 1 && range <= 3 ); + + coderange = &exec->codeRangeTable[range - 1]; + + FT_ASSERT( coderange->base ); + + /* NOTE: Because the last instruction of a program may be a CALL */ + /* which will return to the first byte *after* the code */ + /* range, we test for IP <= Size instead of IP < Size. */ + /* */ + FT_ASSERT( IP <= coderange->size ); + + exec->code = coderange->base; + exec->codeSize = coderange->size; + exec->IP = IP; + exec->curRange = range; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Set_CodeRange */ + /* */ + /* <Description> */ + /* Sets a code range. */ + /* */ + /* <Input> */ + /* range :: The code range index. */ + /* */ + /* base :: The new code base. */ + /* */ + /* length :: The range size in bytes. */ + /* */ + /* <InOut> */ + /* exec :: The target execution context. */ + /* */ + FT_LOCAL_DEF( void ) + TT_Set_CodeRange( TT_ExecContext exec, + FT_Int range, + void* base, + FT_Long length ) + { + FT_ASSERT( range >= 1 && range <= 3 ); + + exec->codeRangeTable[range - 1].base = (FT_Byte*)base; + exec->codeRangeTable[range - 1].size = length; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Clear_CodeRange */ + /* */ + /* <Description> */ + /* Clears a code range. */ + /* */ + /* <Input> */ + /* range :: The code range index. */ + /* */ + /* <InOut> */ + /* exec :: The target execution context. */ + /* */ + FT_LOCAL_DEF( void ) + TT_Clear_CodeRange( TT_ExecContext exec, + FT_Int range ) + { + FT_ASSERT( range >= 1 && range <= 3 ); + + exec->codeRangeTable[range - 1].base = NULL; + exec->codeRangeTable[range - 1].size = 0; + } + + + /*************************************************************************/ + /* */ + /* EXECUTION CONTEXT ROUTINES */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Done_Context */ + /* */ + /* <Description> */ + /* Destroys a given context. */ + /* */ + /* <Input> */ + /* exec :: A handle to the target execution context. */ + /* */ + /* memory :: A handle to the parent memory object. */ + /* */ + /* <Note> */ + /* Only the glyph loader and debugger should call this function. */ + /* */ + FT_LOCAL_DEF( void ) + TT_Done_Context( TT_ExecContext exec ) + { + FT_Memory memory = exec->memory; + + + /* points zone */ + exec->maxPoints = 0; + exec->maxContours = 0; + + /* free stack */ + FT_FREE( exec->stack ); + exec->stackSize = 0; + + /* free call stack */ + FT_FREE( exec->callStack ); + exec->callSize = 0; + exec->callTop = 0; + + /* free glyph code range */ + FT_FREE( exec->glyphIns ); + exec->glyphSize = 0; + + exec->size = NULL; + exec->face = NULL; + + FT_FREE( exec ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Init_Context */ + /* */ + /* <Description> */ + /* Initializes a context object. */ + /* */ + /* <Input> */ + /* memory :: A handle to the parent memory object. */ + /* */ + /* <InOut> */ + /* exec :: A handle to the target execution context. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + static FT_Error + Init_Context( TT_ExecContext exec, + FT_Memory memory ) + { + FT_Error error; + + + FT_TRACE1(( "Init_Context: new object at 0x%08p\n", exec )); + + exec->memory = memory; + exec->callSize = 32; + + if ( FT_NEW_ARRAY( exec->callStack, exec->callSize ) ) + goto Fail_Memory; + + /* all values in the context are set to 0 already, but this is */ + /* here as a remainder */ + exec->maxPoints = 0; + exec->maxContours = 0; + + exec->stackSize = 0; + exec->glyphSize = 0; + + exec->stack = NULL; + exec->glyphIns = NULL; + + exec->face = NULL; + exec->size = NULL; + + return FT_Err_Ok; + + Fail_Memory: + FT_ERROR(( "Init_Context: not enough memory for %p\n", exec )); + TT_Done_Context( exec ); + + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Update_Max */ + /* */ + /* <Description> */ + /* Checks the size of a buffer and reallocates it if necessary. */ + /* */ + /* <Input> */ + /* memory :: A handle to the parent memory object. */ + /* */ + /* multiplier :: The size in bytes of each element in the buffer. */ + /* */ + /* new_max :: The new capacity (size) of the buffer. */ + /* */ + /* <InOut> */ + /* size :: The address of the buffer's current size expressed */ + /* in elements. */ + /* */ + /* buff :: The address of the buffer base pointer. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + Update_Max( FT_Memory memory, + FT_ULong* size, + FT_ULong multiplier, + void* _pbuff, + FT_ULong new_max ) + { + FT_Error error; + void** pbuff = (void**)_pbuff; + + + if ( *size < new_max ) + { + if ( FT_REALLOC( *pbuff, *size * multiplier, new_max * multiplier ) ) + return error; + *size = new_max; + } + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Load_Context */ + /* */ + /* <Description> */ + /* Prepare an execution context for glyph hinting. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* size :: A handle to the source size object. */ + /* */ + /* <InOut> */ + /* exec :: A handle to the target execution context. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* Only the glyph loader and debugger should call this function. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Load_Context( TT_ExecContext exec, + TT_Face face, + TT_Size size ) + { + FT_Int i; + FT_ULong tmp; + TT_MaxProfile* maxp; + FT_Error error; + + + exec->face = face; + maxp = &face->max_profile; + exec->size = size; + + if ( size ) + { + exec->numFDefs = size->num_function_defs; + exec->maxFDefs = size->max_function_defs; + exec->numIDefs = size->num_instruction_defs; + exec->maxIDefs = size->max_instruction_defs; + exec->FDefs = size->function_defs; + exec->IDefs = size->instruction_defs; + exec->pointSize = size->point_size; + exec->tt_metrics = size->ttmetrics; + exec->metrics = *size->metrics; + + exec->maxFunc = size->max_func; + exec->maxIns = size->max_ins; + + for ( i = 0; i < TT_MAX_CODE_RANGES; i++ ) + exec->codeRangeTable[i] = size->codeRangeTable[i]; + + /* set graphics state */ + exec->GS = size->GS; + + exec->cvtSize = size->cvt_size; + exec->cvt = size->cvt; + + exec->storeSize = size->storage_size; + exec->storage = size->storage; + + exec->twilight = size->twilight; + + /* In case of multi-threading it can happen that the old size object */ + /* no longer exists, thus we must clear all glyph zone references. */ + FT_ZERO( &exec->zp0 ); + exec->zp1 = exec->zp0; + exec->zp2 = exec->zp0; + } + + /* XXX: We reserve a little more elements on the stack to deal safely */ + /* with broken fonts like arialbs, courbs, timesbs, etc. */ + tmp = (FT_ULong)exec->stackSize; + error = Update_Max( exec->memory, + &tmp, + sizeof ( FT_F26Dot6 ), + (void*)&exec->stack, + maxp->maxStackElements + 32 ); + exec->stackSize = (FT_Long)tmp; + if ( error ) + return error; + + tmp = exec->glyphSize; + error = Update_Max( exec->memory, + &tmp, + sizeof ( FT_Byte ), + (void*)&exec->glyphIns, + maxp->maxSizeOfInstructions ); + exec->glyphSize = (FT_UShort)tmp; + if ( error ) + return error; + + exec->pts.n_points = 0; + exec->pts.n_contours = 0; + + exec->zp1 = exec->pts; + exec->zp2 = exec->pts; + exec->zp0 = exec->pts; + + exec->instruction_trap = FALSE; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Save_Context */ + /* */ + /* <Description> */ + /* Saves the code ranges in a `size' object. */ + /* */ + /* <Input> */ + /* exec :: A handle to the source execution context. */ + /* */ + /* <InOut> */ + /* size :: A handle to the target size object. */ + /* */ + /* <Note> */ + /* Only the glyph loader and debugger should call this function. */ + /* */ + FT_LOCAL_DEF( void ) + TT_Save_Context( TT_ExecContext exec, + TT_Size size ) + { + FT_Int i; + + + /* XXX: Will probably disappear soon with all the code range */ + /* management, which is now rather obsolete. */ + /* */ + size->num_function_defs = exec->numFDefs; + size->num_instruction_defs = exec->numIDefs; + + size->max_func = exec->maxFunc; + size->max_ins = exec->maxIns; + + for ( i = 0; i < TT_MAX_CODE_RANGES; i++ ) + size->codeRangeTable[i] = exec->codeRangeTable[i]; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_Run_Context */ + /* */ + /* <Description> */ + /* Executes one or more instructions in the execution context. */ + /* */ + /* <Input> */ + /* debug :: A Boolean flag. If set, the function sets some internal */ + /* variables and returns immediately, otherwise TT_RunIns() */ + /* is called. */ + /* */ + /* This is commented out currently. */ + /* */ + /* <Input> */ + /* exec :: A handle to the target execution context. */ + /* */ + /* <Return> */ + /* TrueType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + TT_Run_Context( TT_ExecContext exec ) + { + TT_Goto_CodeRange( exec, tt_coderange_glyph, 0 ); + + exec->zp0 = exec->pts; + exec->zp1 = exec->pts; + exec->zp2 = exec->pts; + + exec->GS.gep0 = 1; + exec->GS.gep1 = 1; + exec->GS.gep2 = 1; + + exec->GS.projVector.x = 0x4000; + exec->GS.projVector.y = 0x0000; + + exec->GS.freeVector = exec->GS.projVector; + exec->GS.dualVector = exec->GS.projVector; + + exec->GS.round_state = 1; + exec->GS.loop = 1; + + /* some glyphs leave something on the stack. so we clean it */ + /* before a new execution. */ + exec->top = 0; + exec->callTop = 0; + + return exec->face->interpreter( exec ); + } + + + /* The default value for `scan_control' is documented as FALSE in the */ + /* TrueType specification. This is confusing since it implies a */ + /* Boolean value. However, this is not the case, thus both the */ + /* default values of our `scan_type' and `scan_control' fields (which */ + /* the documentation's `scan_control' variable is split into) are */ + /* zero. */ + + const TT_GraphicsState tt_default_graphics_state = + { + 0, 0, 0, + { 0x4000, 0 }, + { 0x4000, 0 }, + { 0x4000, 0 }, + + 1, 64, 1, + TRUE, 68, 0, 0, 9, 3, + 0, FALSE, 0, 1, 1, 1 + }; + + + /* documentation is in ttinterp.h */ + + FT_EXPORT_DEF( TT_ExecContext ) + TT_New_Context( TT_Driver driver ) + { + FT_Memory memory; + FT_Error error; + + TT_ExecContext exec = NULL; + + + if ( !driver ) + goto Fail; + + memory = driver->root.root.memory; + + /* allocate object */ + if ( FT_NEW( exec ) ) + goto Fail; + + /* initialize it; in case of error this deallocates `exec' too */ + error = Init_Context( exec, memory ); + if ( error ) + goto Fail; + + return exec; + + Fail: + return NULL; + } + + + /*************************************************************************/ + /* */ + /* Before an opcode is executed, the interpreter verifies that there are */ + /* enough arguments on the stack, with the help of the `Pop_Push_Count' */ + /* table. */ + /* */ + /* For each opcode, the first column gives the number of arguments that */ + /* are popped from the stack; the second one gives the number of those */ + /* that are pushed in result. */ + /* */ + /* Opcodes which have a varying number of parameters in the data stream */ + /* (NPUSHB, NPUSHW) are handled specially; they have a negative value in */ + /* the `opcode_length' table, and the value in `Pop_Push_Count' is set */ + /* to zero. */ + /* */ + /*************************************************************************/ + + +#undef PACK +#define PACK( x, y ) ( ( x << 4 ) | y ) + + + static + const FT_Byte Pop_Push_Count[256] = + { + /* opcodes are gathered in groups of 16 */ + /* please keep the spaces as they are */ + + /* SVTCA y */ PACK( 0, 0 ), + /* SVTCA x */ PACK( 0, 0 ), + /* SPvTCA y */ PACK( 0, 0 ), + /* SPvTCA x */ PACK( 0, 0 ), + /* SFvTCA y */ PACK( 0, 0 ), + /* SFvTCA x */ PACK( 0, 0 ), + /* SPvTL // */ PACK( 2, 0 ), + /* SPvTL + */ PACK( 2, 0 ), + /* SFvTL // */ PACK( 2, 0 ), + /* SFvTL + */ PACK( 2, 0 ), + /* SPvFS */ PACK( 2, 0 ), + /* SFvFS */ PACK( 2, 0 ), + /* GPv */ PACK( 0, 2 ), + /* GFv */ PACK( 0, 2 ), + /* SFvTPv */ PACK( 0, 0 ), + /* ISECT */ PACK( 5, 0 ), + + /* SRP0 */ PACK( 1, 0 ), + /* SRP1 */ PACK( 1, 0 ), + /* SRP2 */ PACK( 1, 0 ), + /* SZP0 */ PACK( 1, 0 ), + /* SZP1 */ PACK( 1, 0 ), + /* SZP2 */ PACK( 1, 0 ), + /* SZPS */ PACK( 1, 0 ), + /* SLOOP */ PACK( 1, 0 ), + /* RTG */ PACK( 0, 0 ), + /* RTHG */ PACK( 0, 0 ), + /* SMD */ PACK( 1, 0 ), + /* ELSE */ PACK( 0, 0 ), + /* JMPR */ PACK( 1, 0 ), + /* SCvTCi */ PACK( 1, 0 ), + /* SSwCi */ PACK( 1, 0 ), + /* SSW */ PACK( 1, 0 ), + + /* DUP */ PACK( 1, 2 ), + /* POP */ PACK( 1, 0 ), + /* CLEAR */ PACK( 0, 0 ), + /* SWAP */ PACK( 2, 2 ), + /* DEPTH */ PACK( 0, 1 ), + /* CINDEX */ PACK( 1, 1 ), + /* MINDEX */ PACK( 1, 0 ), + /* AlignPTS */ PACK( 2, 0 ), + /* INS_$28 */ PACK( 0, 0 ), + /* UTP */ PACK( 1, 0 ), + /* LOOPCALL */ PACK( 2, 0 ), + /* CALL */ PACK( 1, 0 ), + /* FDEF */ PACK( 1, 0 ), + /* ENDF */ PACK( 0, 0 ), + /* MDAP[0] */ PACK( 1, 0 ), + /* MDAP[1] */ PACK( 1, 0 ), + + /* IUP[0] */ PACK( 0, 0 ), + /* IUP[1] */ PACK( 0, 0 ), + /* SHP[0] */ PACK( 0, 0 ), /* loops */ + /* SHP[1] */ PACK( 0, 0 ), /* loops */ + /* SHC[0] */ PACK( 1, 0 ), + /* SHC[1] */ PACK( 1, 0 ), + /* SHZ[0] */ PACK( 1, 0 ), + /* SHZ[1] */ PACK( 1, 0 ), + /* SHPIX */ PACK( 1, 0 ), /* loops */ + /* IP */ PACK( 0, 0 ), /* loops */ + /* MSIRP[0] */ PACK( 2, 0 ), + /* MSIRP[1] */ PACK( 2, 0 ), + /* AlignRP */ PACK( 0, 0 ), /* loops */ + /* RTDG */ PACK( 0, 0 ), + /* MIAP[0] */ PACK( 2, 0 ), + /* MIAP[1] */ PACK( 2, 0 ), + + /* NPushB */ PACK( 0, 0 ), + /* NPushW */ PACK( 0, 0 ), + /* WS */ PACK( 2, 0 ), + /* RS */ PACK( 1, 1 ), + /* WCvtP */ PACK( 2, 0 ), + /* RCvt */ PACK( 1, 1 ), + /* GC[0] */ PACK( 1, 1 ), + /* GC[1] */ PACK( 1, 1 ), + /* SCFS */ PACK( 2, 0 ), + /* MD[0] */ PACK( 2, 1 ), + /* MD[1] */ PACK( 2, 1 ), + /* MPPEM */ PACK( 0, 1 ), + /* MPS */ PACK( 0, 1 ), + /* FlipON */ PACK( 0, 0 ), + /* FlipOFF */ PACK( 0, 0 ), + /* DEBUG */ PACK( 1, 0 ), + + /* LT */ PACK( 2, 1 ), + /* LTEQ */ PACK( 2, 1 ), + /* GT */ PACK( 2, 1 ), + /* GTEQ */ PACK( 2, 1 ), + /* EQ */ PACK( 2, 1 ), + /* NEQ */ PACK( 2, 1 ), + /* ODD */ PACK( 1, 1 ), + /* EVEN */ PACK( 1, 1 ), + /* IF */ PACK( 1, 0 ), + /* EIF */ PACK( 0, 0 ), + /* AND */ PACK( 2, 1 ), + /* OR */ PACK( 2, 1 ), + /* NOT */ PACK( 1, 1 ), + /* DeltaP1 */ PACK( 1, 0 ), + /* SDB */ PACK( 1, 0 ), + /* SDS */ PACK( 1, 0 ), + + /* ADD */ PACK( 2, 1 ), + /* SUB */ PACK( 2, 1 ), + /* DIV */ PACK( 2, 1 ), + /* MUL */ PACK( 2, 1 ), + /* ABS */ PACK( 1, 1 ), + /* NEG */ PACK( 1, 1 ), + /* FLOOR */ PACK( 1, 1 ), + /* CEILING */ PACK( 1, 1 ), + /* ROUND[0] */ PACK( 1, 1 ), + /* ROUND[1] */ PACK( 1, 1 ), + /* ROUND[2] */ PACK( 1, 1 ), + /* ROUND[3] */ PACK( 1, 1 ), + /* NROUND[0] */ PACK( 1, 1 ), + /* NROUND[1] */ PACK( 1, 1 ), + /* NROUND[2] */ PACK( 1, 1 ), + /* NROUND[3] */ PACK( 1, 1 ), + + /* WCvtF */ PACK( 2, 0 ), + /* DeltaP2 */ PACK( 1, 0 ), + /* DeltaP3 */ PACK( 1, 0 ), + /* DeltaCn[0] */ PACK( 1, 0 ), + /* DeltaCn[1] */ PACK( 1, 0 ), + /* DeltaCn[2] */ PACK( 1, 0 ), + /* SROUND */ PACK( 1, 0 ), + /* S45Round */ PACK( 1, 0 ), + /* JROT */ PACK( 2, 0 ), + /* JROF */ PACK( 2, 0 ), + /* ROFF */ PACK( 0, 0 ), + /* INS_$7B */ PACK( 0, 0 ), + /* RUTG */ PACK( 0, 0 ), + /* RDTG */ PACK( 0, 0 ), + /* SANGW */ PACK( 1, 0 ), + /* AA */ PACK( 1, 0 ), + + /* FlipPT */ PACK( 0, 0 ), /* loops */ + /* FlipRgON */ PACK( 2, 0 ), + /* FlipRgOFF */ PACK( 2, 0 ), + /* INS_$83 */ PACK( 0, 0 ), + /* INS_$84 */ PACK( 0, 0 ), + /* ScanCTRL */ PACK( 1, 0 ), + /* SDPvTL[0] */ PACK( 2, 0 ), + /* SDPvTL[1] */ PACK( 2, 0 ), + /* GetINFO */ PACK( 1, 1 ), + /* IDEF */ PACK( 1, 0 ), + /* ROLL */ PACK( 3, 3 ), + /* MAX */ PACK( 2, 1 ), + /* MIN */ PACK( 2, 1 ), + /* ScanTYPE */ PACK( 1, 0 ), + /* InstCTRL */ PACK( 2, 0 ), + /* INS_$8F */ PACK( 0, 0 ), + + /* INS_$90 */ PACK( 0, 0 ), + /* GETVAR */ PACK( 0, 0 ), /* will be handled specially */ + /* GETDATA */ PACK( 0, 1 ), + /* INS_$93 */ PACK( 0, 0 ), + /* INS_$94 */ PACK( 0, 0 ), + /* INS_$95 */ PACK( 0, 0 ), + /* INS_$96 */ PACK( 0, 0 ), + /* INS_$97 */ PACK( 0, 0 ), + /* INS_$98 */ PACK( 0, 0 ), + /* INS_$99 */ PACK( 0, 0 ), + /* INS_$9A */ PACK( 0, 0 ), + /* INS_$9B */ PACK( 0, 0 ), + /* INS_$9C */ PACK( 0, 0 ), + /* INS_$9D */ PACK( 0, 0 ), + /* INS_$9E */ PACK( 0, 0 ), + /* INS_$9F */ PACK( 0, 0 ), + + /* INS_$A0 */ PACK( 0, 0 ), + /* INS_$A1 */ PACK( 0, 0 ), + /* INS_$A2 */ PACK( 0, 0 ), + /* INS_$A3 */ PACK( 0, 0 ), + /* INS_$A4 */ PACK( 0, 0 ), + /* INS_$A5 */ PACK( 0, 0 ), + /* INS_$A6 */ PACK( 0, 0 ), + /* INS_$A7 */ PACK( 0, 0 ), + /* INS_$A8 */ PACK( 0, 0 ), + /* INS_$A9 */ PACK( 0, 0 ), + /* INS_$AA */ PACK( 0, 0 ), + /* INS_$AB */ PACK( 0, 0 ), + /* INS_$AC */ PACK( 0, 0 ), + /* INS_$AD */ PACK( 0, 0 ), + /* INS_$AE */ PACK( 0, 0 ), + /* INS_$AF */ PACK( 0, 0 ), + + /* PushB[0] */ PACK( 0, 1 ), + /* PushB[1] */ PACK( 0, 2 ), + /* PushB[2] */ PACK( 0, 3 ), + /* PushB[3] */ PACK( 0, 4 ), + /* PushB[4] */ PACK( 0, 5 ), + /* PushB[5] */ PACK( 0, 6 ), + /* PushB[6] */ PACK( 0, 7 ), + /* PushB[7] */ PACK( 0, 8 ), + /* PushW[0] */ PACK( 0, 1 ), + /* PushW[1] */ PACK( 0, 2 ), + /* PushW[2] */ PACK( 0, 3 ), + /* PushW[3] */ PACK( 0, 4 ), + /* PushW[4] */ PACK( 0, 5 ), + /* PushW[5] */ PACK( 0, 6 ), + /* PushW[6] */ PACK( 0, 7 ), + /* PushW[7] */ PACK( 0, 8 ), + + /* MDRP[00] */ PACK( 1, 0 ), + /* MDRP[01] */ PACK( 1, 0 ), + /* MDRP[02] */ PACK( 1, 0 ), + /* MDRP[03] */ PACK( 1, 0 ), + /* MDRP[04] */ PACK( 1, 0 ), + /* MDRP[05] */ PACK( 1, 0 ), + /* MDRP[06] */ PACK( 1, 0 ), + /* MDRP[07] */ PACK( 1, 0 ), + /* MDRP[08] */ PACK( 1, 0 ), + /* MDRP[09] */ PACK( 1, 0 ), + /* MDRP[10] */ PACK( 1, 0 ), + /* MDRP[11] */ PACK( 1, 0 ), + /* MDRP[12] */ PACK( 1, 0 ), + /* MDRP[13] */ PACK( 1, 0 ), + /* MDRP[14] */ PACK( 1, 0 ), + /* MDRP[15] */ PACK( 1, 0 ), + + /* MDRP[16] */ PACK( 1, 0 ), + /* MDRP[17] */ PACK( 1, 0 ), + /* MDRP[18] */ PACK( 1, 0 ), + /* MDRP[19] */ PACK( 1, 0 ), + /* MDRP[20] */ PACK( 1, 0 ), + /* MDRP[21] */ PACK( 1, 0 ), + /* MDRP[22] */ PACK( 1, 0 ), + /* MDRP[23] */ PACK( 1, 0 ), + /* MDRP[24] */ PACK( 1, 0 ), + /* MDRP[25] */ PACK( 1, 0 ), + /* MDRP[26] */ PACK( 1, 0 ), + /* MDRP[27] */ PACK( 1, 0 ), + /* MDRP[28] */ PACK( 1, 0 ), + /* MDRP[29] */ PACK( 1, 0 ), + /* MDRP[30] */ PACK( 1, 0 ), + /* MDRP[31] */ PACK( 1, 0 ), + + /* MIRP[00] */ PACK( 2, 0 ), + /* MIRP[01] */ PACK( 2, 0 ), + /* MIRP[02] */ PACK( 2, 0 ), + /* MIRP[03] */ PACK( 2, 0 ), + /* MIRP[04] */ PACK( 2, 0 ), + /* MIRP[05] */ PACK( 2, 0 ), + /* MIRP[06] */ PACK( 2, 0 ), + /* MIRP[07] */ PACK( 2, 0 ), + /* MIRP[08] */ PACK( 2, 0 ), + /* MIRP[09] */ PACK( 2, 0 ), + /* MIRP[10] */ PACK( 2, 0 ), + /* MIRP[11] */ PACK( 2, 0 ), + /* MIRP[12] */ PACK( 2, 0 ), + /* MIRP[13] */ PACK( 2, 0 ), + /* MIRP[14] */ PACK( 2, 0 ), + /* MIRP[15] */ PACK( 2, 0 ), + + /* MIRP[16] */ PACK( 2, 0 ), + /* MIRP[17] */ PACK( 2, 0 ), + /* MIRP[18] */ PACK( 2, 0 ), + /* MIRP[19] */ PACK( 2, 0 ), + /* MIRP[20] */ PACK( 2, 0 ), + /* MIRP[21] */ PACK( 2, 0 ), + /* MIRP[22] */ PACK( 2, 0 ), + /* MIRP[23] */ PACK( 2, 0 ), + /* MIRP[24] */ PACK( 2, 0 ), + /* MIRP[25] */ PACK( 2, 0 ), + /* MIRP[26] */ PACK( 2, 0 ), + /* MIRP[27] */ PACK( 2, 0 ), + /* MIRP[28] */ PACK( 2, 0 ), + /* MIRP[29] */ PACK( 2, 0 ), + /* MIRP[30] */ PACK( 2, 0 ), + /* MIRP[31] */ PACK( 2, 0 ) + }; + + +#ifdef FT_DEBUG_LEVEL_TRACE + + /* the first hex digit gives the length of the opcode name; the space */ + /* after the digit is here just to increase readability of the source */ + /* code */ + + static + const char* const opcode_name[256] = + { + "7 SVTCA y", + "7 SVTCA x", + "8 SPvTCA y", + "8 SPvTCA x", + "8 SFvTCA y", + "8 SFvTCA x", + "8 SPvTL ||", + "7 SPvTL +", + "8 SFvTL ||", + "7 SFvTL +", + "5 SPvFS", + "5 SFvFS", + "3 GPv", + "3 GFv", + "6 SFvTPv", + "5 ISECT", + + "4 SRP0", + "4 SRP1", + "4 SRP2", + "4 SZP0", + "4 SZP1", + "4 SZP2", + "4 SZPS", + "5 SLOOP", + "3 RTG", + "4 RTHG", + "3 SMD", + "4 ELSE", + "4 JMPR", + "6 SCvTCi", + "5 SSwCi", + "3 SSW", + + "3 DUP", + "3 POP", + "5 CLEAR", + "4 SWAP", + "5 DEPTH", + "6 CINDEX", + "6 MINDEX", + "8 AlignPTS", + "7 INS_$28", + "3 UTP", + "8 LOOPCALL", + "4 CALL", + "4 FDEF", + "4 ENDF", + "7 MDAP[0]", + "7 MDAP[1]", + + "6 IUP[0]", + "6 IUP[1]", + "6 SHP[0]", + "6 SHP[1]", + "6 SHC[0]", + "6 SHC[1]", + "6 SHZ[0]", + "6 SHZ[1]", + "5 SHPIX", + "2 IP", + "8 MSIRP[0]", + "8 MSIRP[1]", + "7 AlignRP", + "4 RTDG", + "7 MIAP[0]", + "7 MIAP[1]", + + "6 NPushB", + "6 NPushW", + "2 WS", + "2 RS", + "5 WCvtP", + "4 RCvt", + "5 GC[0]", + "5 GC[1]", + "4 SCFS", + "5 MD[0]", + "5 MD[1]", + "5 MPPEM", + "3 MPS", + "6 FlipON", + "7 FlipOFF", + "5 DEBUG", + + "2 LT", + "4 LTEQ", + "2 GT", + "4 GTEQ", + "2 EQ", + "3 NEQ", + "3 ODD", + "4 EVEN", + "2 IF", + "3 EIF", + "3 AND", + "2 OR", + "3 NOT", + "7 DeltaP1", + "3 SDB", + "3 SDS", + + "3 ADD", + "3 SUB", + "3 DIV", + "3 MUL", + "3 ABS", + "3 NEG", + "5 FLOOR", + "7 CEILING", + "8 ROUND[0]", + "8 ROUND[1]", + "8 ROUND[2]", + "8 ROUND[3]", + "9 NROUND[0]", + "9 NROUND[1]", + "9 NROUND[2]", + "9 NROUND[3]", + + "5 WCvtF", + "7 DeltaP2", + "7 DeltaP3", + "A DeltaCn[0]", + "A DeltaCn[1]", + "A DeltaCn[2]", + "6 SROUND", + "8 S45Round", + "4 JROT", + "4 JROF", + "4 ROFF", + "7 INS_$7B", + "4 RUTG", + "4 RDTG", + "5 SANGW", + "2 AA", + + "6 FlipPT", + "8 FlipRgON", + "9 FlipRgOFF", + "7 INS_$83", + "7 INS_$84", + "8 ScanCTRL", + "9 SDPvTL[0]", + "9 SDPvTL[1]", + "7 GetINFO", + "4 IDEF", + "4 ROLL", + "3 MAX", + "3 MIN", + "8 ScanTYPE", + "8 InstCTRL", + "7 INS_$8F", + + "7 INS_$90", +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + "6 GETVAR", + "7 GETDATA", +#else + "7 INS_$91", + "7 INS_$92", +#endif + "7 INS_$93", + "7 INS_$94", + "7 INS_$95", + "7 INS_$96", + "7 INS_$97", + "7 INS_$98", + "7 INS_$99", + "7 INS_$9A", + "7 INS_$9B", + "7 INS_$9C", + "7 INS_$9D", + "7 INS_$9E", + "7 INS_$9F", + + "7 INS_$A0", + "7 INS_$A1", + "7 INS_$A2", + "7 INS_$A3", + "7 INS_$A4", + "7 INS_$A5", + "7 INS_$A6", + "7 INS_$A7", + "7 INS_$A8", + "7 INS_$A9", + "7 INS_$AA", + "7 INS_$AB", + "7 INS_$AC", + "7 INS_$AD", + "7 INS_$AE", + "7 INS_$AF", + + "8 PushB[0]", + "8 PushB[1]", + "8 PushB[2]", + "8 PushB[3]", + "8 PushB[4]", + "8 PushB[5]", + "8 PushB[6]", + "8 PushB[7]", + "8 PushW[0]", + "8 PushW[1]", + "8 PushW[2]", + "8 PushW[3]", + "8 PushW[4]", + "8 PushW[5]", + "8 PushW[6]", + "8 PushW[7]", + + "8 MDRP[00]", + "8 MDRP[01]", + "8 MDRP[02]", + "8 MDRP[03]", + "8 MDRP[04]", + "8 MDRP[05]", + "8 MDRP[06]", + "8 MDRP[07]", + "8 MDRP[08]", + "8 MDRP[09]", + "8 MDRP[10]", + "8 MDRP[11]", + "8 MDRP[12]", + "8 MDRP[13]", + "8 MDRP[14]", + "8 MDRP[15]", + + "8 MDRP[16]", + "8 MDRP[17]", + "8 MDRP[18]", + "8 MDRP[19]", + "8 MDRP[20]", + "8 MDRP[21]", + "8 MDRP[22]", + "8 MDRP[23]", + "8 MDRP[24]", + "8 MDRP[25]", + "8 MDRP[26]", + "8 MDRP[27]", + "8 MDRP[28]", + "8 MDRP[29]", + "8 MDRP[30]", + "8 MDRP[31]", + + "8 MIRP[00]", + "8 MIRP[01]", + "8 MIRP[02]", + "8 MIRP[03]", + "8 MIRP[04]", + "8 MIRP[05]", + "8 MIRP[06]", + "8 MIRP[07]", + "8 MIRP[08]", + "8 MIRP[09]", + "8 MIRP[10]", + "8 MIRP[11]", + "8 MIRP[12]", + "8 MIRP[13]", + "8 MIRP[14]", + "8 MIRP[15]", + + "8 MIRP[16]", + "8 MIRP[17]", + "8 MIRP[18]", + "8 MIRP[19]", + "8 MIRP[20]", + "8 MIRP[21]", + "8 MIRP[22]", + "8 MIRP[23]", + "8 MIRP[24]", + "8 MIRP[25]", + "8 MIRP[26]", + "8 MIRP[27]", + "8 MIRP[28]", + "8 MIRP[29]", + "8 MIRP[30]", + "8 MIRP[31]" + }; + +#endif /* FT_DEBUG_LEVEL_TRACE */ + + + static + const FT_Char opcode_length[256] = + { + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + -1,-2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 2, 3, 4, 5, 6, 7, 8, 9, 3, 5, 7, 9, 11,13,15,17, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 + }; + +#undef PACK + + +#ifndef FT_CONFIG_OPTION_NO_ASSEMBLER + +#if defined( __arm__ ) && \ + ( defined( __thumb2__ ) || !defined( __thumb__ ) ) + +#define TT_MulFix14 TT_MulFix14_arm + + static FT_Int32 + TT_MulFix14_arm( FT_Int32 a, + FT_Int b ) + { + FT_Int32 t, t2; + + +#if defined( __CC_ARM ) || defined( __ARMCC__ ) + + __asm + { + smull t2, t, b, a /* (lo=t2,hi=t) = a*b */ + mov a, t, asr #31 /* a = (hi >> 31) */ + add a, a, #0x2000 /* a += 0x2000 */ + adds t2, t2, a /* t2 += a */ + adc t, t, #0 /* t += carry */ + mov a, t2, lsr #14 /* a = t2 >> 14 */ + orr a, a, t, lsl #18 /* a |= t << 18 */ + } + +#elif defined( __GNUC__ ) + + __asm__ __volatile__ ( + "smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = a*b */ + "mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */ +#if defined( __clang__ ) && defined( __thumb2__ ) + "add.w %0, %0, #0x2000\n\t" /* %0 += 0x2000 */ +#else + "add %0, %0, #0x2000\n\t" /* %0 += 0x2000 */ +#endif + "adds %1, %1, %0\n\t" /* %1 += %0 */ + "adc %2, %2, #0\n\t" /* %2 += carry */ + "mov %0, %1, lsr #14\n\t" /* %0 = %1 >> 16 */ + "orr %0, %0, %2, lsl #18\n\t" /* %0 |= %2 << 16 */ + : "=r"(a), "=&r"(t2), "=&r"(t) + : "r"(a), "r"(b) + : "cc" ); + +#endif + + return a; + } + +#endif /* __arm__ && ( __thumb2__ || !__thumb__ ) */ + +#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */ + + +#if defined( __GNUC__ ) && \ + ( defined( __i386__ ) || defined( __x86_64__ ) ) + +#define TT_MulFix14 TT_MulFix14_long_long + + /* Temporarily disable the warning that C90 doesn't support `long long'. */ +#if ( __GNUC__ * 100 + __GNUC_MINOR__ ) >= 406 +#pragma GCC diagnostic push +#endif +#pragma GCC diagnostic ignored "-Wlong-long" + + /* This is declared `noinline' because inlining the function results */ + /* in slower code. The `pure' attribute indicates that the result */ + /* only depends on the parameters. */ + static __attribute__(( noinline )) + __attribute__(( pure )) FT_Int32 + TT_MulFix14_long_long( FT_Int32 a, + FT_Int b ) + { + + long long ret = (long long)a * b; + + /* The following line assumes that right shifting of signed values */ + /* will actually preserve the sign bit. The exact behaviour is */ + /* undefined, but this is true on x86 and x86_64. */ + long long tmp = ret >> 63; + + + ret += 0x2000 + tmp; + + return (FT_Int32)( ret >> 14 ); + } + +#if ( __GNUC__ * 100 + __GNUC_MINOR__ ) >= 406 +#pragma GCC diagnostic pop +#endif + +#endif /* __GNUC__ && ( __i386__ || __x86_64__ ) */ + + +#ifndef TT_MulFix14 + + /* Compute (a*b)/2^14 with maximum accuracy and rounding. */ + /* This is optimized to be faster than calling FT_MulFix() */ + /* for platforms where sizeof(int) == 2. */ + static FT_Int32 + TT_MulFix14( FT_Int32 a, + FT_Int b ) + { + FT_Int32 sign; + FT_UInt32 ah, al, mid, lo, hi; + + + sign = a ^ b; + + if ( a < 0 ) + a = -a; + if ( b < 0 ) + b = -b; + + ah = (FT_UInt32)( ( a >> 16 ) & 0xFFFFU ); + al = (FT_UInt32)( a & 0xFFFFU ); + + lo = al * b; + mid = ah * b; + hi = mid >> 16; + mid = ( mid << 16 ) + ( 1 << 13 ); /* rounding */ + lo += mid; + if ( lo < mid ) + hi += 1; + + mid = ( lo >> 14 ) | ( hi << 18 ); + + return sign >= 0 ? (FT_Int32)mid : -(FT_Int32)mid; + } + +#endif /* !TT_MulFix14 */ + + +#if defined( __GNUC__ ) && \ + ( defined( __i386__ ) || \ + defined( __x86_64__ ) || \ + defined( __arm__ ) ) + +#define TT_DotFix14 TT_DotFix14_long_long + +#if ( __GNUC__ * 100 + __GNUC_MINOR__ ) >= 406 +#pragma GCC diagnostic push +#endif +#pragma GCC diagnostic ignored "-Wlong-long" + + static __attribute__(( pure )) FT_Int32 + TT_DotFix14_long_long( FT_Int32 ax, + FT_Int32 ay, + FT_Int bx, + FT_Int by ) + { + /* Temporarily disable the warning that C90 doesn't support */ + /* `long long'. */ + + long long temp1 = (long long)ax * bx; + long long temp2 = (long long)ay * by; + + + temp1 += temp2; + temp2 = temp1 >> 63; + temp1 += 0x2000 + temp2; + + return (FT_Int32)( temp1 >> 14 ); + + } + +#if ( __GNUC__ * 100 + __GNUC_MINOR__ ) >= 406 +#pragma GCC diagnostic pop +#endif + +#endif /* __GNUC__ && (__arm__ || __i386__ || __x86_64__) */ + + +#ifndef TT_DotFix14 + + /* compute (ax*bx+ay*by)/2^14 with maximum accuracy and rounding */ + static FT_Int32 + TT_DotFix14( FT_Int32 ax, + FT_Int32 ay, + FT_Int bx, + FT_Int by ) + { + FT_Int32 m, s, hi1, hi2, hi; + FT_UInt32 l, lo1, lo2, lo; + + + /* compute ax*bx as 64-bit value */ + l = (FT_UInt32)( ( ax & 0xFFFFU ) * bx ); + m = ( ax >> 16 ) * bx; + + lo1 = l + ( (FT_UInt32)m << 16 ); + hi1 = ( m >> 16 ) + ( (FT_Int32)l >> 31 ) + ( lo1 < l ); + + /* compute ay*by as 64-bit value */ + l = (FT_UInt32)( ( ay & 0xFFFFU ) * by ); + m = ( ay >> 16 ) * by; + + lo2 = l + ( (FT_UInt32)m << 16 ); + hi2 = ( m >> 16 ) + ( (FT_Int32)l >> 31 ) + ( lo2 < l ); + + /* add them */ + lo = lo1 + lo2; + hi = hi1 + hi2 + ( lo < lo1 ); + + /* divide the result by 2^14 with rounding */ + s = hi >> 31; + l = lo + (FT_UInt32)s; + hi += s + ( l < lo ); + lo = l; + + l = lo + 0x2000U; + hi += ( l < lo ); + + return (FT_Int32)( ( (FT_UInt32)hi << 18 ) | ( l >> 14 ) ); + } + +#endif /* TT_DotFix14 */ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Current_Ratio */ + /* */ + /* <Description> */ + /* Returns the current aspect ratio scaling factor depending on the */ + /* projection vector's state and device resolutions. */ + /* */ + /* <Return> */ + /* The aspect ratio in 16.16 format, always <= 1.0 . */ + /* */ + static FT_Long + Current_Ratio( TT_ExecContext exc ) + { + if ( !exc->tt_metrics.ratio ) + { + if ( exc->GS.projVector.y == 0 ) + exc->tt_metrics.ratio = exc->tt_metrics.x_ratio; + + else if ( exc->GS.projVector.x == 0 ) + exc->tt_metrics.ratio = exc->tt_metrics.y_ratio; + + else + { + FT_F26Dot6 x, y; + + + x = TT_MulFix14( exc->tt_metrics.x_ratio, + exc->GS.projVector.x ); + y = TT_MulFix14( exc->tt_metrics.y_ratio, + exc->GS.projVector.y ); + exc->tt_metrics.ratio = FT_Hypot( x, y ); + } + } + return exc->tt_metrics.ratio; + } + + + FT_CALLBACK_DEF( FT_Long ) + Current_Ppem( TT_ExecContext exc ) + { + return exc->tt_metrics.ppem; + } + + + FT_CALLBACK_DEF( FT_Long ) + Current_Ppem_Stretched( TT_ExecContext exc ) + { + return FT_MulFix( exc->tt_metrics.ppem, Current_Ratio( exc ) ); + } + + + /*************************************************************************/ + /* */ + /* Functions related to the control value table (CVT). */ + /* */ + /*************************************************************************/ + + + FT_CALLBACK_DEF( FT_F26Dot6 ) + Read_CVT( TT_ExecContext exc, + FT_ULong idx ) + { + return exc->cvt[idx]; + } + + + FT_CALLBACK_DEF( FT_F26Dot6 ) + Read_CVT_Stretched( TT_ExecContext exc, + FT_ULong idx ) + { + return FT_MulFix( exc->cvt[idx], Current_Ratio( exc ) ); + } + + + FT_CALLBACK_DEF( void ) + Write_CVT( TT_ExecContext exc, + FT_ULong idx, + FT_F26Dot6 value ) + { + exc->cvt[idx] = value; + } + + + FT_CALLBACK_DEF( void ) + Write_CVT_Stretched( TT_ExecContext exc, + FT_ULong idx, + FT_F26Dot6 value ) + { + exc->cvt[idx] = FT_DivFix( value, Current_Ratio( exc ) ); + } + + + FT_CALLBACK_DEF( void ) + Move_CVT( TT_ExecContext exc, + FT_ULong idx, + FT_F26Dot6 value ) + { + exc->cvt[idx] += value; + } + + + FT_CALLBACK_DEF( void ) + Move_CVT_Stretched( TT_ExecContext exc, + FT_ULong idx, + FT_F26Dot6 value ) + { + exc->cvt[idx] += FT_DivFix( value, Current_Ratio( exc ) ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* GetShortIns */ + /* */ + /* <Description> */ + /* Returns a short integer taken from the instruction stream at */ + /* address IP. */ + /* */ + /* <Return> */ + /* Short read at code[IP]. */ + /* */ + /* <Note> */ + /* This one could become a macro. */ + /* */ + static FT_Short + GetShortIns( TT_ExecContext exc ) + { + /* Reading a byte stream so there is no endianness (DaveP) */ + exc->IP += 2; + return (FT_Short)( ( exc->code[exc->IP - 2] << 8 ) + + exc->code[exc->IP - 1] ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Ins_Goto_CodeRange */ + /* */ + /* <Description> */ + /* Goes to a certain code range in the instruction stream. */ + /* */ + /* <Input> */ + /* aRange :: The index of the code range. */ + /* */ + /* aIP :: The new IP address in the code range. */ + /* */ + /* <Return> */ + /* SUCCESS or FAILURE. */ + /* */ + static FT_Bool + Ins_Goto_CodeRange( TT_ExecContext exc, + FT_Int aRange, + FT_Long aIP ) + { + TT_CodeRange* range; + + + if ( aRange < 1 || aRange > 3 ) + { + exc->error = FT_THROW( Bad_Argument ); + return FAILURE; + } + + range = &exc->codeRangeTable[aRange - 1]; + + if ( !range->base ) /* invalid coderange */ + { + exc->error = FT_THROW( Invalid_CodeRange ); + return FAILURE; + } + + /* NOTE: Because the last instruction of a program may be a CALL */ + /* which will return to the first byte *after* the code */ + /* range, we test for aIP <= Size, instead of aIP < Size. */ + + if ( aIP > range->size ) + { + exc->error = FT_THROW( Code_Overflow ); + return FAILURE; + } + + exc->code = range->base; + exc->codeSize = range->size; + exc->IP = aIP; + exc->curRange = aRange; + + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Direct_Move */ + /* */ + /* <Description> */ + /* Moves a point by a given distance along the freedom vector. The */ + /* point will be `touched'. */ + /* */ + /* <Input> */ + /* point :: The index of the point to move. */ + /* */ + /* distance :: The distance to apply. */ + /* */ + /* <InOut> */ + /* zone :: The affected glyph zone. */ + /* */ + /* <Note> */ + /* See `ttinterp.h' for details on backward compatibility mode. */ + /* `Touches' the point. */ + /* */ + static void + Direct_Move( TT_ExecContext exc, + TT_GlyphZone zone, + FT_UShort point, + FT_F26Dot6 distance ) + { + FT_F26Dot6 v; + + + v = exc->GS.freeVector.x; + + if ( v != 0 ) + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + ( !exc->ignore_x_mode || + ( exc->sph_tweak_flags & SPH_TWEAK_ALLOW_X_DMOVE ) ) ) + zone->cur[point].x = ADD_LONG( zone->cur[point].x, + FT_MulDiv( distance, + v, + exc->F_dot_P ) ); + else +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* Exception to the post-IUP curfew: Allow the x component of */ + /* diagonal moves, but only post-IUP. DejaVu tries to adjust */ + /* diagonal stems like on `Z' and `z' post-IUP. */ + if ( SUBPIXEL_HINTING_MINIMAL && !exc->backward_compatibility ) + zone->cur[point].x = ADD_LONG( zone->cur[point].x, + FT_MulDiv( distance, + v, + exc->F_dot_P ) ); + else +#endif + + if ( NO_SUBPIXEL_HINTING ) + zone->cur[point].x = ADD_LONG( zone->cur[point].x, + FT_MulDiv( distance, + v, + exc->F_dot_P ) ); + + zone->tags[point] |= FT_CURVE_TAG_TOUCH_X; + } + + v = exc->GS.freeVector.y; + + if ( v != 0 ) + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( !( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility && + exc->iupx_called && + exc->iupy_called ) ) +#endif + zone->cur[point].y = ADD_LONG( zone->cur[point].y, + FT_MulDiv( distance, + v, + exc->F_dot_P ) ); + + zone->tags[point] |= FT_CURVE_TAG_TOUCH_Y; + } + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Direct_Move_Orig */ + /* */ + /* <Description> */ + /* Moves the *original* position of a point by a given distance along */ + /* the freedom vector. Obviously, the point will not be `touched'. */ + /* */ + /* <Input> */ + /* point :: The index of the point to move. */ + /* */ + /* distance :: The distance to apply. */ + /* */ + /* <InOut> */ + /* zone :: The affected glyph zone. */ + /* */ + static void + Direct_Move_Orig( TT_ExecContext exc, + TT_GlyphZone zone, + FT_UShort point, + FT_F26Dot6 distance ) + { + FT_F26Dot6 v; + + + v = exc->GS.freeVector.x; + + if ( v != 0 ) + zone->org[point].x = ADD_LONG( zone->org[point].x, + FT_MulDiv( distance, + v, + exc->F_dot_P ) ); + + v = exc->GS.freeVector.y; + + if ( v != 0 ) + zone->org[point].y = ADD_LONG( zone->org[point].y, + FT_MulDiv( distance, + v, + exc->F_dot_P ) ); + } + + + /*************************************************************************/ + /* */ + /* Special versions of Direct_Move() */ + /* */ + /* The following versions are used whenever both vectors are both */ + /* along one of the coordinate unit vectors, i.e. in 90% of the cases. */ + /* See `ttinterp.h' for details on backward compatibility mode. */ + /* */ + /*************************************************************************/ + + + static void + Direct_Move_X( TT_ExecContext exc, + TT_GlyphZone zone, + FT_UShort point, + FT_F26Dot6 distance ) + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && !exc->ignore_x_mode ) + zone->cur[point].x = ADD_LONG( zone->cur[point].x, distance ); + else +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( SUBPIXEL_HINTING_MINIMAL && !exc->backward_compatibility ) + zone->cur[point].x = ADD_LONG( zone->cur[point].x, distance ); + else +#endif + + if ( NO_SUBPIXEL_HINTING ) + zone->cur[point].x = ADD_LONG( zone->cur[point].x, distance ); + + zone->tags[point] |= FT_CURVE_TAG_TOUCH_X; + } + + + static void + Direct_Move_Y( TT_ExecContext exc, + TT_GlyphZone zone, + FT_UShort point, + FT_F26Dot6 distance ) + { + FT_UNUSED( exc ); + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( !( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility && + exc->iupx_called && exc->iupy_called ) ) +#endif + zone->cur[point].y = ADD_LONG( zone->cur[point].y, distance ); + + zone->tags[point] |= FT_CURVE_TAG_TOUCH_Y; + } + + + /*************************************************************************/ + /* */ + /* Special versions of Direct_Move_Orig() */ + /* */ + /* The following versions are used whenever both vectors are both */ + /* along one of the coordinate unit vectors, i.e. in 90% of the cases. */ + /* */ + /*************************************************************************/ + + + static void + Direct_Move_Orig_X( TT_ExecContext exc, + TT_GlyphZone zone, + FT_UShort point, + FT_F26Dot6 distance ) + { + FT_UNUSED( exc ); + + zone->org[point].x = ADD_LONG( zone->org[point].x, distance ); + } + + + static void + Direct_Move_Orig_Y( TT_ExecContext exc, + TT_GlyphZone zone, + FT_UShort point, + FT_F26Dot6 distance ) + { + FT_UNUSED( exc ); + + zone->org[point].y = ADD_LONG( zone->org[point].y, distance ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Round_None */ + /* */ + /* <Description> */ + /* Does not round, but adds engine compensation. */ + /* */ + /* <Input> */ + /* distance :: The distance (not) to round. */ + /* */ + /* compensation :: The engine compensation. */ + /* */ + /* <Return> */ + /* The compensated distance. */ + /* */ + /* <Note> */ + /* The TrueType specification says very few about the relationship */ + /* between rounding and engine compensation. However, it seems from */ + /* the description of super round that we should add the compensation */ + /* before rounding. */ + /* */ + static FT_F26Dot6 + Round_None( TT_ExecContext exc, + FT_F26Dot6 distance, + FT_F26Dot6 compensation ) + { + FT_F26Dot6 val; + + FT_UNUSED( exc ); + + + if ( distance >= 0 ) + { + val = ADD_LONG( distance, compensation ); + if ( val < 0 ) + val = 0; + } + else + { + val = SUB_LONG( distance, compensation ); + if ( val > 0 ) + val = 0; + } + return val; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Round_To_Grid */ + /* */ + /* <Description> */ + /* Rounds value to grid after adding engine compensation. */ + /* */ + /* <Input> */ + /* distance :: The distance to round. */ + /* */ + /* compensation :: The engine compensation. */ + /* */ + /* <Return> */ + /* Rounded distance. */ + /* */ + static FT_F26Dot6 + Round_To_Grid( TT_ExecContext exc, + FT_F26Dot6 distance, + FT_F26Dot6 compensation ) + { + FT_F26Dot6 val; + + FT_UNUSED( exc ); + + + if ( distance >= 0 ) + { + val = FT_PIX_ROUND_LONG( ADD_LONG( distance, compensation ) ); + if ( val < 0 ) + val = 0; + } + else + { + val = NEG_LONG( FT_PIX_ROUND_LONG( SUB_LONG( compensation, + distance ) ) ); + if ( val > 0 ) + val = 0; + } + + return val; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Round_To_Half_Grid */ + /* */ + /* <Description> */ + /* Rounds value to half grid after adding engine compensation. */ + /* */ + /* <Input> */ + /* distance :: The distance to round. */ + /* */ + /* compensation :: The engine compensation. */ + /* */ + /* <Return> */ + /* Rounded distance. */ + /* */ + static FT_F26Dot6 + Round_To_Half_Grid( TT_ExecContext exc, + FT_F26Dot6 distance, + FT_F26Dot6 compensation ) + { + FT_F26Dot6 val; + + FT_UNUSED( exc ); + + + if ( distance >= 0 ) + { + val = ADD_LONG( FT_PIX_FLOOR( ADD_LONG( distance, compensation ) ), + 32 ); + if ( val < 0 ) + val = 32; + } + else + { + val = NEG_LONG( ADD_LONG( FT_PIX_FLOOR( SUB_LONG( compensation, + distance ) ), + 32 ) ); + if ( val > 0 ) + val = -32; + } + + return val; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Round_Down_To_Grid */ + /* */ + /* <Description> */ + /* Rounds value down to grid after adding engine compensation. */ + /* */ + /* <Input> */ + /* distance :: The distance to round. */ + /* */ + /* compensation :: The engine compensation. */ + /* */ + /* <Return> */ + /* Rounded distance. */ + /* */ + static FT_F26Dot6 + Round_Down_To_Grid( TT_ExecContext exc, + FT_F26Dot6 distance, + FT_F26Dot6 compensation ) + { + FT_F26Dot6 val; + + FT_UNUSED( exc ); + + + if ( distance >= 0 ) + { + val = FT_PIX_FLOOR( ADD_LONG( distance, compensation ) ); + if ( val < 0 ) + val = 0; + } + else + { + val = NEG_LONG( FT_PIX_FLOOR( SUB_LONG( compensation, distance ) ) ); + if ( val > 0 ) + val = 0; + } + + return val; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Round_Up_To_Grid */ + /* */ + /* <Description> */ + /* Rounds value up to grid after adding engine compensation. */ + /* */ + /* <Input> */ + /* distance :: The distance to round. */ + /* */ + /* compensation :: The engine compensation. */ + /* */ + /* <Return> */ + /* Rounded distance. */ + /* */ + static FT_F26Dot6 + Round_Up_To_Grid( TT_ExecContext exc, + FT_F26Dot6 distance, + FT_F26Dot6 compensation ) + { + FT_F26Dot6 val; + + FT_UNUSED( exc ); + + + if ( distance >= 0 ) + { + val = FT_PIX_CEIL_LONG( ADD_LONG( distance, compensation ) ); + if ( val < 0 ) + val = 0; + } + else + { + val = NEG_LONG( FT_PIX_CEIL_LONG( SUB_LONG( compensation, + distance ) ) ); + if ( val > 0 ) + val = 0; + } + + return val; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Round_To_Double_Grid */ + /* */ + /* <Description> */ + /* Rounds value to double grid after adding engine compensation. */ + /* */ + /* <Input> */ + /* distance :: The distance to round. */ + /* */ + /* compensation :: The engine compensation. */ + /* */ + /* <Return> */ + /* Rounded distance. */ + /* */ + static FT_F26Dot6 + Round_To_Double_Grid( TT_ExecContext exc, + FT_F26Dot6 distance, + FT_F26Dot6 compensation ) + { + FT_F26Dot6 val; + + FT_UNUSED( exc ); + + + if ( distance >= 0 ) + { + val = FT_PAD_ROUND_LONG( ADD_LONG( distance, compensation ), 32 ); + if ( val < 0 ) + val = 0; + } + else + { + val = NEG_LONG( FT_PAD_ROUND_LONG( SUB_LONG( compensation, distance ), + 32 ) ); + if ( val > 0 ) + val = 0; + } + + return val; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Round_Super */ + /* */ + /* <Description> */ + /* Super-rounds value to grid after adding engine compensation. */ + /* */ + /* <Input> */ + /* distance :: The distance to round. */ + /* */ + /* compensation :: The engine compensation. */ + /* */ + /* <Return> */ + /* Rounded distance. */ + /* */ + /* <Note> */ + /* The TrueType specification says very little about the relationship */ + /* between rounding and engine compensation. However, it seems from */ + /* the description of super round that we should add the compensation */ + /* before rounding. */ + /* */ + static FT_F26Dot6 + Round_Super( TT_ExecContext exc, + FT_F26Dot6 distance, + FT_F26Dot6 compensation ) + { + FT_F26Dot6 val; + + + if ( distance >= 0 ) + { + val = ADD_LONG( distance, + exc->threshold - exc->phase + compensation ) & + -exc->period; + val += exc->phase; + if ( val < 0 ) + val = exc->phase; + } + else + { + val = NEG_LONG( SUB_LONG( exc->threshold - exc->phase + compensation, + distance ) & + -exc->period ); + val -= exc->phase; + if ( val > 0 ) + val = -exc->phase; + } + + return val; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Round_Super_45 */ + /* */ + /* <Description> */ + /* Super-rounds value to grid after adding engine compensation. */ + /* */ + /* <Input> */ + /* distance :: The distance to round. */ + /* */ + /* compensation :: The engine compensation. */ + /* */ + /* <Return> */ + /* Rounded distance. */ + /* */ + /* <Note> */ + /* There is a separate function for Round_Super_45() as we may need */ + /* greater precision. */ + /* */ + static FT_F26Dot6 + Round_Super_45( TT_ExecContext exc, + FT_F26Dot6 distance, + FT_F26Dot6 compensation ) + { + FT_F26Dot6 val; + + + if ( distance >= 0 ) + { + val = ( ADD_LONG( distance, + exc->threshold - exc->phase + compensation ) / + exc->period ) * exc->period; + val += exc->phase; + if ( val < 0 ) + val = exc->phase; + } + else + { + val = NEG_LONG( ( SUB_LONG( exc->threshold - exc->phase + compensation, + distance ) / + exc->period ) * exc->period ); + val -= exc->phase; + if ( val > 0 ) + val = -exc->phase; + } + + return val; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Compute_Round */ + /* */ + /* <Description> */ + /* Sets the rounding mode. */ + /* */ + /* <Input> */ + /* round_mode :: The rounding mode to be used. */ + /* */ + static void + Compute_Round( TT_ExecContext exc, + FT_Byte round_mode ) + { + switch ( round_mode ) + { + case TT_Round_Off: + exc->func_round = (TT_Round_Func)Round_None; + break; + + case TT_Round_To_Grid: + exc->func_round = (TT_Round_Func)Round_To_Grid; + break; + + case TT_Round_Up_To_Grid: + exc->func_round = (TT_Round_Func)Round_Up_To_Grid; + break; + + case TT_Round_Down_To_Grid: + exc->func_round = (TT_Round_Func)Round_Down_To_Grid; + break; + + case TT_Round_To_Half_Grid: + exc->func_round = (TT_Round_Func)Round_To_Half_Grid; + break; + + case TT_Round_To_Double_Grid: + exc->func_round = (TT_Round_Func)Round_To_Double_Grid; + break; + + case TT_Round_Super: + exc->func_round = (TT_Round_Func)Round_Super; + break; + + case TT_Round_Super_45: + exc->func_round = (TT_Round_Func)Round_Super_45; + break; + } + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* SetSuperRound */ + /* */ + /* <Description> */ + /* Sets Super Round parameters. */ + /* */ + /* <Input> */ + /* GridPeriod :: The grid period. */ + /* */ + /* selector :: The SROUND opcode. */ + /* */ + static void + SetSuperRound( TT_ExecContext exc, + FT_F2Dot14 GridPeriod, + FT_Long selector ) + { + switch ( (FT_Int)( selector & 0xC0 ) ) + { + case 0: + exc->period = GridPeriod / 2; + break; + + case 0x40: + exc->period = GridPeriod; + break; + + case 0x80: + exc->period = GridPeriod * 2; + break; + + /* This opcode is reserved, but... */ + case 0xC0: + exc->period = GridPeriod; + break; + } + + switch ( (FT_Int)( selector & 0x30 ) ) + { + case 0: + exc->phase = 0; + break; + + case 0x10: + exc->phase = exc->period / 4; + break; + + case 0x20: + exc->phase = exc->period / 2; + break; + + case 0x30: + exc->phase = exc->period * 3 / 4; + break; + } + + if ( ( selector & 0x0F ) == 0 ) + exc->threshold = exc->period - 1; + else + exc->threshold = ( (FT_Int)( selector & 0x0F ) - 4 ) * exc->period / 8; + + /* convert to F26Dot6 format */ + exc->period >>= 8; + exc->phase >>= 8; + exc->threshold >>= 8; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Project */ + /* */ + /* <Description> */ + /* Computes the projection of vector given by (v2-v1) along the */ + /* current projection vector. */ + /* */ + /* <Input> */ + /* v1 :: First input vector. */ + /* v2 :: Second input vector. */ + /* */ + /* <Return> */ + /* The distance in F26dot6 format. */ + /* */ + static FT_F26Dot6 + Project( TT_ExecContext exc, + FT_Pos dx, + FT_Pos dy ) + { + return TT_DotFix14( dx, dy, + exc->GS.projVector.x, + exc->GS.projVector.y ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Dual_Project */ + /* */ + /* <Description> */ + /* Computes the projection of the vector given by (v2-v1) along the */ + /* current dual vector. */ + /* */ + /* <Input> */ + /* v1 :: First input vector. */ + /* v2 :: Second input vector. */ + /* */ + /* <Return> */ + /* The distance in F26dot6 format. */ + /* */ + static FT_F26Dot6 + Dual_Project( TT_ExecContext exc, + FT_Pos dx, + FT_Pos dy ) + { + return TT_DotFix14( dx, dy, + exc->GS.dualVector.x, + exc->GS.dualVector.y ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Project_x */ + /* */ + /* <Description> */ + /* Computes the projection of the vector given by (v2-v1) along the */ + /* horizontal axis. */ + /* */ + /* <Input> */ + /* v1 :: First input vector. */ + /* v2 :: Second input vector. */ + /* */ + /* <Return> */ + /* The distance in F26dot6 format. */ + /* */ + static FT_F26Dot6 + Project_x( TT_ExecContext exc, + FT_Pos dx, + FT_Pos dy ) + { + FT_UNUSED( exc ); + FT_UNUSED( dy ); + + return dx; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Project_y */ + /* */ + /* <Description> */ + /* Computes the projection of the vector given by (v2-v1) along the */ + /* vertical axis. */ + /* */ + /* <Input> */ + /* v1 :: First input vector. */ + /* v2 :: Second input vector. */ + /* */ + /* <Return> */ + /* The distance in F26dot6 format. */ + /* */ + static FT_F26Dot6 + Project_y( TT_ExecContext exc, + FT_Pos dx, + FT_Pos dy ) + { + FT_UNUSED( exc ); + FT_UNUSED( dx ); + + return dy; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Compute_Funcs */ + /* */ + /* <Description> */ + /* Computes the projection and movement function pointers according */ + /* to the current graphics state. */ + /* */ + static void + Compute_Funcs( TT_ExecContext exc ) + { + if ( exc->GS.freeVector.x == 0x4000 ) + exc->F_dot_P = exc->GS.projVector.x; + else if ( exc->GS.freeVector.y == 0x4000 ) + exc->F_dot_P = exc->GS.projVector.y; + else + exc->F_dot_P = + ( (FT_Long)exc->GS.projVector.x * exc->GS.freeVector.x + + (FT_Long)exc->GS.projVector.y * exc->GS.freeVector.y ) >> 14; + + if ( exc->GS.projVector.x == 0x4000 ) + exc->func_project = (TT_Project_Func)Project_x; + else if ( exc->GS.projVector.y == 0x4000 ) + exc->func_project = (TT_Project_Func)Project_y; + else + exc->func_project = (TT_Project_Func)Project; + + if ( exc->GS.dualVector.x == 0x4000 ) + exc->func_dualproj = (TT_Project_Func)Project_x; + else if ( exc->GS.dualVector.y == 0x4000 ) + exc->func_dualproj = (TT_Project_Func)Project_y; + else + exc->func_dualproj = (TT_Project_Func)Dual_Project; + + exc->func_move = (TT_Move_Func)Direct_Move; + exc->func_move_orig = (TT_Move_Func)Direct_Move_Orig; + + if ( exc->F_dot_P == 0x4000L ) + { + if ( exc->GS.freeVector.x == 0x4000 ) + { + exc->func_move = (TT_Move_Func)Direct_Move_X; + exc->func_move_orig = (TT_Move_Func)Direct_Move_Orig_X; + } + else if ( exc->GS.freeVector.y == 0x4000 ) + { + exc->func_move = (TT_Move_Func)Direct_Move_Y; + exc->func_move_orig = (TT_Move_Func)Direct_Move_Orig_Y; + } + } + + /* at small sizes, F_dot_P can become too small, resulting */ + /* in overflows and `spikes' in a number of glyphs like `w'. */ + + if ( FT_ABS( exc->F_dot_P ) < 0x400L ) + exc->F_dot_P = 0x4000L; + + /* Disable cached aspect ratio */ + exc->tt_metrics.ratio = 0; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Normalize */ + /* */ + /* <Description> */ + /* Norms a vector. */ + /* */ + /* <Input> */ + /* Vx :: The horizontal input vector coordinate. */ + /* Vy :: The vertical input vector coordinate. */ + /* */ + /* <Output> */ + /* R :: The normed unit vector. */ + /* */ + /* <Return> */ + /* Returns FAILURE if a vector parameter is zero. */ + /* */ + /* <Note> */ + /* In case Vx and Vy are both zero, `Normalize' returns SUCCESS, and */ + /* R is undefined. */ + /* */ + static FT_Bool + Normalize( FT_F26Dot6 Vx, + FT_F26Dot6 Vy, + FT_UnitVector* R ) + { + FT_Vector V; + + + if ( Vx == 0 && Vy == 0 ) + { + /* XXX: UNDOCUMENTED! It seems that it is possible to try */ + /* to normalize the vector (0,0). Return immediately. */ + return SUCCESS; + } + + V.x = Vx; + V.y = Vy; + + FT_Vector_NormLen( &V ); + + R->x = (FT_F2Dot14)( V.x / 4 ); + R->y = (FT_F2Dot14)( V.y / 4 ); + + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* Here we start with the implementation of the various opcodes. */ + /* */ + /*************************************************************************/ + + +#define ARRAY_BOUND_ERROR \ + do \ + { \ + exc->error = FT_THROW( Invalid_Reference ); \ + return; \ + } while (0) + + + /*************************************************************************/ + /* */ + /* MPPEM[]: Measure Pixel Per EM */ + /* Opcode range: 0x4B */ + /* Stack: --> Euint16 */ + /* */ + static void + Ins_MPPEM( TT_ExecContext exc, + FT_Long* args ) + { + args[0] = exc->func_cur_ppem( exc ); + } + + + /*************************************************************************/ + /* */ + /* MPS[]: Measure Point Size */ + /* Opcode range: 0x4C */ + /* Stack: --> Euint16 */ + /* */ + static void + Ins_MPS( TT_ExecContext exc, + FT_Long* args ) + { + if ( NO_SUBPIXEL_HINTING ) + { + /* Microsoft's GDI bytecode interpreter always returns value 12; */ + /* we return the current PPEM value instead. */ + args[0] = exc->func_cur_ppem( exc ); + } + else + { + /* A possible practical application of the MPS instruction is to */ + /* implement optical scaling and similar features, which should be */ + /* based on perceptual attributes, thus independent of the */ + /* resolution. */ + args[0] = exc->pointSize; + } + } + + + /*************************************************************************/ + /* */ + /* DUP[]: DUPlicate the stack's top element */ + /* Opcode range: 0x20 */ + /* Stack: StkElt --> StkElt StkElt */ + /* */ + static void + Ins_DUP( FT_Long* args ) + { + args[1] = args[0]; + } + + + /*************************************************************************/ + /* */ + /* POP[]: POP the stack's top element */ + /* Opcode range: 0x21 */ + /* Stack: StkElt --> */ + /* */ + static void + Ins_POP( void ) + { + /* nothing to do */ + } + + + /*************************************************************************/ + /* */ + /* CLEAR[]: CLEAR the entire stack */ + /* Opcode range: 0x22 */ + /* Stack: StkElt... --> */ + /* */ + static void + Ins_CLEAR( TT_ExecContext exc ) + { + exc->new_top = 0; + } + + + /*************************************************************************/ + /* */ + /* SWAP[]: SWAP the stack's top two elements */ + /* Opcode range: 0x23 */ + /* Stack: 2 * StkElt --> 2 * StkElt */ + /* */ + static void + Ins_SWAP( FT_Long* args ) + { + FT_Long L; + + + L = args[0]; + args[0] = args[1]; + args[1] = L; + } + + + /*************************************************************************/ + /* */ + /* DEPTH[]: return the stack DEPTH */ + /* Opcode range: 0x24 */ + /* Stack: --> uint32 */ + /* */ + static void + Ins_DEPTH( TT_ExecContext exc, + FT_Long* args ) + { + args[0] = exc->top; + } + + + /*************************************************************************/ + /* */ + /* LT[]: Less Than */ + /* Opcode range: 0x50 */ + /* Stack: int32? int32? --> bool */ + /* */ + static void + Ins_LT( FT_Long* args ) + { + args[0] = ( args[0] < args[1] ); + } + + + /*************************************************************************/ + /* */ + /* LTEQ[]: Less Than or EQual */ + /* Opcode range: 0x51 */ + /* Stack: int32? int32? --> bool */ + /* */ + static void + Ins_LTEQ( FT_Long* args ) + { + args[0] = ( args[0] <= args[1] ); + } + + + /*************************************************************************/ + /* */ + /* GT[]: Greater Than */ + /* Opcode range: 0x52 */ + /* Stack: int32? int32? --> bool */ + /* */ + static void + Ins_GT( FT_Long* args ) + { + args[0] = ( args[0] > args[1] ); + } + + + /*************************************************************************/ + /* */ + /* GTEQ[]: Greater Than or EQual */ + /* Opcode range: 0x53 */ + /* Stack: int32? int32? --> bool */ + /* */ + static void + Ins_GTEQ( FT_Long* args ) + { + args[0] = ( args[0] >= args[1] ); + } + + + /*************************************************************************/ + /* */ + /* EQ[]: EQual */ + /* Opcode range: 0x54 */ + /* Stack: StkElt StkElt --> bool */ + /* */ + static void + Ins_EQ( FT_Long* args ) + { + args[0] = ( args[0] == args[1] ); + } + + + /*************************************************************************/ + /* */ + /* NEQ[]: Not EQual */ + /* Opcode range: 0x55 */ + /* Stack: StkElt StkElt --> bool */ + /* */ + static void + Ins_NEQ( FT_Long* args ) + { + args[0] = ( args[0] != args[1] ); + } + + + /*************************************************************************/ + /* */ + /* ODD[]: Is ODD */ + /* Opcode range: 0x56 */ + /* Stack: f26.6 --> bool */ + /* */ + static void + Ins_ODD( TT_ExecContext exc, + FT_Long* args ) + { + args[0] = ( ( exc->func_round( exc, args[0], 0 ) & 127 ) == 64 ); + } + + + /*************************************************************************/ + /* */ + /* EVEN[]: Is EVEN */ + /* Opcode range: 0x57 */ + /* Stack: f26.6 --> bool */ + /* */ + static void + Ins_EVEN( TT_ExecContext exc, + FT_Long* args ) + { + args[0] = ( ( exc->func_round( exc, args[0], 0 ) & 127 ) == 0 ); + } + + + /*************************************************************************/ + /* */ + /* AND[]: logical AND */ + /* Opcode range: 0x5A */ + /* Stack: uint32 uint32 --> uint32 */ + /* */ + static void + Ins_AND( FT_Long* args ) + { + args[0] = ( args[0] && args[1] ); + } + + + /*************************************************************************/ + /* */ + /* OR[]: logical OR */ + /* Opcode range: 0x5B */ + /* Stack: uint32 uint32 --> uint32 */ + /* */ + static void + Ins_OR( FT_Long* args ) + { + args[0] = ( args[0] || args[1] ); + } + + + /*************************************************************************/ + /* */ + /* NOT[]: logical NOT */ + /* Opcode range: 0x5C */ + /* Stack: StkElt --> uint32 */ + /* */ + static void + Ins_NOT( FT_Long* args ) + { + args[0] = !args[0]; + } + + + /*************************************************************************/ + /* */ + /* ADD[]: ADD */ + /* Opcode range: 0x60 */ + /* Stack: f26.6 f26.6 --> f26.6 */ + /* */ + static void + Ins_ADD( FT_Long* args ) + { + args[0] = ADD_LONG( args[0], args[1] ); + } + + + /*************************************************************************/ + /* */ + /* SUB[]: SUBtract */ + /* Opcode range: 0x61 */ + /* Stack: f26.6 f26.6 --> f26.6 */ + /* */ + static void + Ins_SUB( FT_Long* args ) + { + args[0] = SUB_LONG( args[0], args[1] ); + } + + + /*************************************************************************/ + /* */ + /* DIV[]: DIVide */ + /* Opcode range: 0x62 */ + /* Stack: f26.6 f26.6 --> f26.6 */ + /* */ + static void + Ins_DIV( TT_ExecContext exc, + FT_Long* args ) + { + if ( args[1] == 0 ) + exc->error = FT_THROW( Divide_By_Zero ); + else + args[0] = FT_MulDiv_No_Round( args[0], 64L, args[1] ); + } + + + /*************************************************************************/ + /* */ + /* MUL[]: MULtiply */ + /* Opcode range: 0x63 */ + /* Stack: f26.6 f26.6 --> f26.6 */ + /* */ + static void + Ins_MUL( FT_Long* args ) + { + args[0] = FT_MulDiv( args[0], args[1], 64L ); + } + + + /*************************************************************************/ + /* */ + /* ABS[]: ABSolute value */ + /* Opcode range: 0x64 */ + /* Stack: f26.6 --> f26.6 */ + /* */ + static void + Ins_ABS( FT_Long* args ) + { + if ( args[0] < 0 ) + args[0] = NEG_LONG( args[0] ); + } + + + /*************************************************************************/ + /* */ + /* NEG[]: NEGate */ + /* Opcode range: 0x65 */ + /* Stack: f26.6 --> f26.6 */ + /* */ + static void + Ins_NEG( FT_Long* args ) + { + args[0] = NEG_LONG( args[0] ); + } + + + /*************************************************************************/ + /* */ + /* FLOOR[]: FLOOR */ + /* Opcode range: 0x66 */ + /* Stack: f26.6 --> f26.6 */ + /* */ + static void + Ins_FLOOR( FT_Long* args ) + { + args[0] = FT_PIX_FLOOR( args[0] ); + } + + + /*************************************************************************/ + /* */ + /* CEILING[]: CEILING */ + /* Opcode range: 0x67 */ + /* Stack: f26.6 --> f26.6 */ + /* */ + static void + Ins_CEILING( FT_Long* args ) + { + args[0] = FT_PIX_CEIL( args[0] ); + } + + + /*************************************************************************/ + /* */ + /* RS[]: Read Store */ + /* Opcode range: 0x43 */ + /* Stack: uint32 --> uint32 */ + /* */ + static void + Ins_RS( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong I = (FT_ULong)args[0]; + + + if ( BOUNDSL( I, exc->storeSize ) ) + { + if ( exc->pedantic_hinting ) + ARRAY_BOUND_ERROR; + else + args[0] = 0; + } + else + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* subpixel hinting - avoid Typeman Dstroke and */ + /* IStroke and Vacuform rounds */ + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + ( ( I == 24 && + ( exc->face->sph_found_func_flags & + ( SPH_FDEF_SPACING_1 | + SPH_FDEF_SPACING_2 ) ) ) || + ( I == 22 && + ( exc->sph_in_func_flags & + SPH_FDEF_TYPEMAN_STROKES ) ) || + ( I == 8 && + ( exc->face->sph_found_func_flags & + SPH_FDEF_VACUFORM_ROUND_1 ) && + exc->iup_called ) ) ) + args[0] = 0; + else +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + args[0] = exc->storage[I]; + } + } + + + /*************************************************************************/ + /* */ + /* WS[]: Write Store */ + /* Opcode range: 0x42 */ + /* Stack: uint32 uint32 --> */ + /* */ + static void + Ins_WS( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong I = (FT_ULong)args[0]; + + + if ( BOUNDSL( I, exc->storeSize ) ) + { + if ( exc->pedantic_hinting ) + ARRAY_BOUND_ERROR; + } + else + exc->storage[I] = args[1]; + } + + + /*************************************************************************/ + /* */ + /* WCVTP[]: Write CVT in Pixel units */ + /* Opcode range: 0x44 */ + /* Stack: f26.6 uint32 --> */ + /* */ + static void + Ins_WCVTP( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong I = (FT_ULong)args[0]; + + + if ( BOUNDSL( I, exc->cvtSize ) ) + { + if ( exc->pedantic_hinting ) + ARRAY_BOUND_ERROR; + } + else + exc->func_write_cvt( exc, I, args[1] ); + } + + + /*************************************************************************/ + /* */ + /* WCVTF[]: Write CVT in Funits */ + /* Opcode range: 0x70 */ + /* Stack: uint32 uint32 --> */ + /* */ + static void + Ins_WCVTF( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong I = (FT_ULong)args[0]; + + + if ( BOUNDSL( I, exc->cvtSize ) ) + { + if ( exc->pedantic_hinting ) + ARRAY_BOUND_ERROR; + } + else + exc->cvt[I] = FT_MulFix( args[1], exc->tt_metrics.scale ); + } + + + /*************************************************************************/ + /* */ + /* RCVT[]: Read CVT */ + /* Opcode range: 0x45 */ + /* Stack: uint32 --> f26.6 */ + /* */ + static void + Ins_RCVT( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong I = (FT_ULong)args[0]; + + + if ( BOUNDSL( I, exc->cvtSize ) ) + { + if ( exc->pedantic_hinting ) + ARRAY_BOUND_ERROR; + else + args[0] = 0; + } + else + args[0] = exc->func_read_cvt( exc, I ); + } + + + /*************************************************************************/ + /* */ + /* AA[]: Adjust Angle */ + /* Opcode range: 0x7F */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_AA( void ) + { + /* intentionally no longer supported */ + } + + + /*************************************************************************/ + /* */ + /* DEBUG[]: DEBUG. Unsupported. */ + /* Opcode range: 0x4F */ + /* Stack: uint32 --> */ + /* */ + /* Note: The original instruction pops a value from the stack. */ + /* */ + static void + Ins_DEBUG( TT_ExecContext exc ) + { + exc->error = FT_THROW( Debug_OpCode ); + } + + + /*************************************************************************/ + /* */ + /* ROUND[ab]: ROUND value */ + /* Opcode range: 0x68-0x6B */ + /* Stack: f26.6 --> f26.6 */ + /* */ + static void + Ins_ROUND( TT_ExecContext exc, + FT_Long* args ) + { + args[0] = exc->func_round( + exc, + args[0], + exc->tt_metrics.compensations[exc->opcode - 0x68] ); + } + + + /*************************************************************************/ + /* */ + /* NROUND[ab]: No ROUNDing of value */ + /* Opcode range: 0x6C-0x6F */ + /* Stack: f26.6 --> f26.6 */ + /* */ + static void + Ins_NROUND( TT_ExecContext exc, + FT_Long* args ) + { + args[0] = Round_None( + exc, + args[0], + exc->tt_metrics.compensations[exc->opcode - 0x6C] ); + } + + + /*************************************************************************/ + /* */ + /* MAX[]: MAXimum */ + /* Opcode range: 0x8B */ + /* Stack: int32? int32? --> int32 */ + /* */ + static void + Ins_MAX( FT_Long* args ) + { + if ( args[1] > args[0] ) + args[0] = args[1]; + } + + + /*************************************************************************/ + /* */ + /* MIN[]: MINimum */ + /* Opcode range: 0x8C */ + /* Stack: int32? int32? --> int32 */ + /* */ + static void + Ins_MIN( FT_Long* args ) + { + if ( args[1] < args[0] ) + args[0] = args[1]; + } + + + /*************************************************************************/ + /* */ + /* MINDEX[]: Move INDEXed element */ + /* Opcode range: 0x26 */ + /* Stack: int32? --> StkElt */ + /* */ + static void + Ins_MINDEX( TT_ExecContext exc, + FT_Long* args ) + { + FT_Long L, K; + + + L = args[0]; + + if ( L <= 0 || L > exc->args ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + } + else + { + K = exc->stack[exc->args - L]; + + FT_ARRAY_MOVE( &exc->stack[exc->args - L ], + &exc->stack[exc->args - L + 1], + ( L - 1 ) ); + + exc->stack[exc->args - 1] = K; + } + } + + + /*************************************************************************/ + /* */ + /* CINDEX[]: Copy INDEXed element */ + /* Opcode range: 0x25 */ + /* Stack: int32 --> StkElt */ + /* */ + static void + Ins_CINDEX( TT_ExecContext exc, + FT_Long* args ) + { + FT_Long L; + + + L = args[0]; + + if ( L <= 0 || L > exc->args ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + args[0] = 0; + } + else + args[0] = exc->stack[exc->args - L]; + } + + + /*************************************************************************/ + /* */ + /* ROLL[]: ROLL top three elements */ + /* Opcode range: 0x8A */ + /* Stack: 3 * StkElt --> 3 * StkElt */ + /* */ + static void + Ins_ROLL( FT_Long* args ) + { + FT_Long A, B, C; + + + A = args[2]; + B = args[1]; + C = args[0]; + + args[2] = C; + args[1] = A; + args[0] = B; + } + + + /*************************************************************************/ + /* */ + /* MANAGING THE FLOW OF CONTROL */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* SLOOP[]: Set LOOP variable */ + /* Opcode range: 0x17 */ + /* Stack: int32? --> */ + /* */ + static void + Ins_SLOOP( TT_ExecContext exc, + FT_Long* args ) + { + if ( args[0] < 0 ) + exc->error = FT_THROW( Bad_Argument ); + else + exc->GS.loop = args[0]; + } + + + static FT_Bool + SkipCode( TT_ExecContext exc ) + { + exc->IP += exc->length; + + if ( exc->IP < exc->codeSize ) + { + exc->opcode = exc->code[exc->IP]; + + exc->length = opcode_length[exc->opcode]; + if ( exc->length < 0 ) + { + if ( exc->IP + 1 >= exc->codeSize ) + goto Fail_Overflow; + exc->length = 2 - exc->length * exc->code[exc->IP + 1]; + } + + if ( exc->IP + exc->length <= exc->codeSize ) + return SUCCESS; + } + + Fail_Overflow: + exc->error = FT_THROW( Code_Overflow ); + return FAILURE; + } + + + /*************************************************************************/ + /* */ + /* IF[]: IF test */ + /* Opcode range: 0x58 */ + /* Stack: StkElt --> */ + /* */ + static void + Ins_IF( TT_ExecContext exc, + FT_Long* args ) + { + FT_Int nIfs; + FT_Bool Out; + + + if ( args[0] != 0 ) + return; + + nIfs = 1; + Out = 0; + + do + { + if ( SkipCode( exc ) == FAILURE ) + return; + + switch ( exc->opcode ) + { + case 0x58: /* IF */ + nIfs++; + break; + + case 0x1B: /* ELSE */ + Out = FT_BOOL( nIfs == 1 ); + break; + + case 0x59: /* EIF */ + nIfs--; + Out = FT_BOOL( nIfs == 0 ); + break; + } + } while ( Out == 0 ); + } + + + /*************************************************************************/ + /* */ + /* ELSE[]: ELSE */ + /* Opcode range: 0x1B */ + /* Stack: --> */ + /* */ + static void + Ins_ELSE( TT_ExecContext exc ) + { + FT_Int nIfs; + + + nIfs = 1; + + do + { + if ( SkipCode( exc ) == FAILURE ) + return; + + switch ( exc->opcode ) + { + case 0x58: /* IF */ + nIfs++; + break; + + case 0x59: /* EIF */ + nIfs--; + break; + } + } while ( nIfs != 0 ); + } + + + /*************************************************************************/ + /* */ + /* EIF[]: End IF */ + /* Opcode range: 0x59 */ + /* Stack: --> */ + /* */ + static void + Ins_EIF( void ) + { + /* nothing to do */ + } + + + /*************************************************************************/ + /* */ + /* JMPR[]: JuMP Relative */ + /* Opcode range: 0x1C */ + /* Stack: int32 --> */ + /* */ + static void + Ins_JMPR( TT_ExecContext exc, + FT_Long* args ) + { + if ( args[0] == 0 && exc->args == 0 ) + { + exc->error = FT_THROW( Bad_Argument ); + return; + } + + exc->IP += args[0]; + if ( exc->IP < 0 || + ( exc->callTop > 0 && + exc->IP > exc->callStack[exc->callTop - 1].Def->end ) ) + { + exc->error = FT_THROW( Bad_Argument ); + return; + } + + exc->step_ins = FALSE; + + if ( args[0] < 0 ) + { + if ( ++exc->neg_jump_counter > exc->neg_jump_counter_max ) + exc->error = FT_THROW( Execution_Too_Long ); + } + } + + + /*************************************************************************/ + /* */ + /* JROT[]: Jump Relative On True */ + /* Opcode range: 0x78 */ + /* Stack: StkElt int32 --> */ + /* */ + static void + Ins_JROT( TT_ExecContext exc, + FT_Long* args ) + { + if ( args[1] != 0 ) + Ins_JMPR( exc, args ); + } + + + /*************************************************************************/ + /* */ + /* JROF[]: Jump Relative On False */ + /* Opcode range: 0x79 */ + /* Stack: StkElt int32 --> */ + /* */ + static void + Ins_JROF( TT_ExecContext exc, + FT_Long* args ) + { + if ( args[1] == 0 ) + Ins_JMPR( exc, args ); + } + + + /*************************************************************************/ + /* */ + /* DEFINING AND USING FUNCTIONS AND INSTRUCTIONS */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* FDEF[]: Function DEFinition */ + /* Opcode range: 0x2C */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_FDEF( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong n; + TT_DefRecord* rec; + TT_DefRecord* limit; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* arguments to opcodes are skipped by `SKIP_Code' */ + FT_Byte opcode_pattern[9][12] = { + /* #0 inline delta function 1 */ + { + 0x4B, /* PPEM */ + 0x53, /* GTEQ */ + 0x23, /* SWAP */ + 0x4B, /* PPEM */ + 0x51, /* LTEQ */ + 0x5A, /* AND */ + 0x58, /* IF */ + 0x38, /* SHPIX */ + 0x1B, /* ELSE */ + 0x21, /* POP */ + 0x21, /* POP */ + 0x59 /* EIF */ + }, + /* #1 inline delta function 2 */ + { + 0x4B, /* PPEM */ + 0x54, /* EQ */ + 0x58, /* IF */ + 0x38, /* SHPIX */ + 0x1B, /* ELSE */ + 0x21, /* POP */ + 0x21, /* POP */ + 0x59 /* EIF */ + }, + /* #2 diagonal stroke function */ + { + 0x20, /* DUP */ + 0x20, /* DUP */ + 0xB0, /* PUSHB_1 */ + /* 1 */ + 0x60, /* ADD */ + 0x46, /* GC_cur */ + 0xB0, /* PUSHB_1 */ + /* 64 */ + 0x23, /* SWAP */ + 0x42 /* WS */ + }, + /* #3 VacuFormRound function */ + { + 0x45, /* RCVT */ + 0x23, /* SWAP */ + 0x46, /* GC_cur */ + 0x60, /* ADD */ + 0x20, /* DUP */ + 0xB0 /* PUSHB_1 */ + /* 38 */ + }, + /* #4 TTFautohint bytecode (old) */ + { + 0x20, /* DUP */ + 0x64, /* ABS */ + 0xB0, /* PUSHB_1 */ + /* 32 */ + 0x60, /* ADD */ + 0x66, /* FLOOR */ + 0x23, /* SWAP */ + 0xB0 /* PUSHB_1 */ + }, + /* #5 spacing function 1 */ + { + 0x01, /* SVTCA_x */ + 0xB0, /* PUSHB_1 */ + /* 24 */ + 0x43, /* RS */ + 0x58 /* IF */ + }, + /* #6 spacing function 2 */ + { + 0x01, /* SVTCA_x */ + 0x18, /* RTG */ + 0xB0, /* PUSHB_1 */ + /* 24 */ + 0x43, /* RS */ + 0x58 /* IF */ + }, + /* #7 TypeMan Talk DiagEndCtrl function */ + { + 0x01, /* SVTCA_x */ + 0x20, /* DUP */ + 0xB0, /* PUSHB_1 */ + /* 3 */ + 0x25, /* CINDEX */ + }, + /* #8 TypeMan Talk Align */ + { + 0x06, /* SPVTL */ + 0x7D, /* RDTG */ + }, + }; + FT_UShort opcode_patterns = 9; + FT_UShort opcode_pointer[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 }; + FT_UShort opcode_size[9] = { 12, 8, 8, 6, 7, 4, 5, 4, 2 }; + FT_UShort i; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + + /* FDEF is only allowed in `prep' or `fpgm' */ + if ( exc->curRange == tt_coderange_glyph ) + { + exc->error = FT_THROW( DEF_In_Glyf_Bytecode ); + return; + } + + /* some font programs are broken enough to redefine functions! */ + /* We will then parse the current table. */ + + rec = exc->FDefs; + limit = rec + exc->numFDefs; + n = (FT_ULong)args[0]; + + for ( ; rec < limit; rec++ ) + { + if ( rec->opc == n ) + break; + } + + if ( rec == limit ) + { + /* check that there is enough room for new functions */ + if ( exc->numFDefs >= exc->maxFDefs ) + { + exc->error = FT_THROW( Too_Many_Function_Defs ); + return; + } + exc->numFDefs++; + } + + /* Although FDEF takes unsigned 32-bit integer, */ + /* func # must be within unsigned 16-bit integer */ + if ( n > 0xFFFFU ) + { + exc->error = FT_THROW( Too_Many_Function_Defs ); + return; + } + + rec->range = exc->curRange; + rec->opc = (FT_UInt16)n; + rec->start = exc->IP + 1; + rec->active = TRUE; + rec->inline_delta = FALSE; + rec->sph_fdef_flags = 0x0000; + + if ( n > exc->maxFunc ) + exc->maxFunc = (FT_UInt16)n; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* We don't know for sure these are typeman functions, */ + /* however they are only active when RS 22 is called */ + if ( n >= 64 && n <= 66 ) + rec->sph_fdef_flags |= SPH_FDEF_TYPEMAN_STROKES; +#endif + + /* Now skip the whole function definition. */ + /* We don't allow nested IDEFS & FDEFs. */ + + while ( SkipCode( exc ) == SUCCESS ) + { + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + if ( SUBPIXEL_HINTING_INFINALITY ) + { + for ( i = 0; i < opcode_patterns; i++ ) + { + if ( opcode_pointer[i] < opcode_size[i] && + exc->opcode == opcode_pattern[i][opcode_pointer[i]] ) + { + opcode_pointer[i] += 1; + + if ( opcode_pointer[i] == opcode_size[i] ) + { + FT_TRACE6(( "sph: Function %d, opcode ptrn: %d, %s %s\n", + i, n, + exc->face->root.family_name, + exc->face->root.style_name )); + + switch ( i ) + { + case 0: + rec->sph_fdef_flags |= SPH_FDEF_INLINE_DELTA_1; + exc->face->sph_found_func_flags |= SPH_FDEF_INLINE_DELTA_1; + break; + + case 1: + rec->sph_fdef_flags |= SPH_FDEF_INLINE_DELTA_2; + exc->face->sph_found_func_flags |= SPH_FDEF_INLINE_DELTA_2; + break; + + case 2: + switch ( n ) + { + /* needs to be implemented still */ + case 58: + rec->sph_fdef_flags |= SPH_FDEF_DIAGONAL_STROKE; + exc->face->sph_found_func_flags |= SPH_FDEF_DIAGONAL_STROKE; + } + break; + + case 3: + switch ( n ) + { + case 0: + rec->sph_fdef_flags |= SPH_FDEF_VACUFORM_ROUND_1; + exc->face->sph_found_func_flags |= SPH_FDEF_VACUFORM_ROUND_1; + } + break; + + case 4: + /* probably not necessary to detect anymore */ + rec->sph_fdef_flags |= SPH_FDEF_TTFAUTOHINT_1; + exc->face->sph_found_func_flags |= SPH_FDEF_TTFAUTOHINT_1; + break; + + case 5: + switch ( n ) + { + case 0: + case 1: + case 2: + case 4: + case 7: + case 8: + rec->sph_fdef_flags |= SPH_FDEF_SPACING_1; + exc->face->sph_found_func_flags |= SPH_FDEF_SPACING_1; + } + break; + + case 6: + switch ( n ) + { + case 0: + case 1: + case 2: + case 4: + case 7: + case 8: + rec->sph_fdef_flags |= SPH_FDEF_SPACING_2; + exc->face->sph_found_func_flags |= SPH_FDEF_SPACING_2; + } + break; + + case 7: + rec->sph_fdef_flags |= SPH_FDEF_TYPEMAN_DIAGENDCTRL; + exc->face->sph_found_func_flags |= SPH_FDEF_TYPEMAN_DIAGENDCTRL; + break; + + case 8: +#if 0 + rec->sph_fdef_flags |= SPH_FDEF_TYPEMAN_DIAGENDCTRL; + exc->face->sph_found_func_flags |= SPH_FDEF_TYPEMAN_DIAGENDCTRL; +#endif + break; + } + opcode_pointer[i] = 0; + } + } + + else + opcode_pointer[i] = 0; + } + + /* Set sph_compatibility_mode only when deltas are detected */ + exc->face->sph_compatibility_mode = + ( ( exc->face->sph_found_func_flags & SPH_FDEF_INLINE_DELTA_1 ) | + ( exc->face->sph_found_func_flags & SPH_FDEF_INLINE_DELTA_2 ) ); + } + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + switch ( exc->opcode ) + { + case 0x89: /* IDEF */ + case 0x2C: /* FDEF */ + exc->error = FT_THROW( Nested_DEFS ); + return; + + case 0x2D: /* ENDF */ + rec->end = exc->IP; + return; + } + } + } + + + /*************************************************************************/ + /* */ + /* ENDF[]: END Function definition */ + /* Opcode range: 0x2D */ + /* Stack: --> */ + /* */ + static void + Ins_ENDF( TT_ExecContext exc ) + { + TT_CallRec* pRec; + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + exc->sph_in_func_flags = 0x0000; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + if ( exc->callTop <= 0 ) /* We encountered an ENDF without a call */ + { + exc->error = FT_THROW( ENDF_In_Exec_Stream ); + return; + } + + exc->callTop--; + + pRec = &exc->callStack[exc->callTop]; + + pRec->Cur_Count--; + + exc->step_ins = FALSE; + + if ( pRec->Cur_Count > 0 ) + { + exc->callTop++; + exc->IP = pRec->Def->start; + } + else + /* Loop through the current function */ + Ins_Goto_CodeRange( exc, pRec->Caller_Range, pRec->Caller_IP ); + + /* Exit the current call frame. */ + + /* NOTE: If the last instruction of a program is a */ + /* CALL or LOOPCALL, the return address is */ + /* always out of the code range. This is a */ + /* valid address, and it is why we do not test */ + /* the result of Ins_Goto_CodeRange() here! */ + } + + + /*************************************************************************/ + /* */ + /* CALL[]: CALL function */ + /* Opcode range: 0x2B */ + /* Stack: uint32? --> */ + /* */ + static void + Ins_CALL( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong F; + TT_CallRec* pCrec; + TT_DefRecord* def; + + + /* first of all, check the index */ + + F = (FT_ULong)args[0]; + if ( BOUNDSL( F, exc->maxFunc + 1 ) ) + goto Fail; + + /* Except for some old Apple fonts, all functions in a TrueType */ + /* font are defined in increasing order, starting from 0. This */ + /* means that we normally have */ + /* */ + /* exc->maxFunc+1 == exc->numFDefs */ + /* exc->FDefs[n].opc == n for n in 0..exc->maxFunc */ + /* */ + /* If this isn't true, we need to look up the function table. */ + + def = exc->FDefs + F; + if ( exc->maxFunc + 1 != exc->numFDefs || def->opc != F ) + { + /* look up the FDefs table */ + TT_DefRecord* limit; + + + def = exc->FDefs; + limit = def + exc->numFDefs; + + while ( def < limit && def->opc != F ) + def++; + + if ( def == limit ) + goto Fail; + } + + /* check that the function is active */ + if ( !def->active ) + goto Fail; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + ( ( exc->iup_called && + ( exc->sph_tweak_flags & SPH_TWEAK_NO_CALL_AFTER_IUP ) ) || + ( def->sph_fdef_flags & SPH_FDEF_VACUFORM_ROUND_1 ) ) ) + goto Fail; + else + exc->sph_in_func_flags = def->sph_fdef_flags; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + /* check the call stack */ + if ( exc->callTop >= exc->callSize ) + { + exc->error = FT_THROW( Stack_Overflow ); + return; + } + + pCrec = exc->callStack + exc->callTop; + + pCrec->Caller_Range = exc->curRange; + pCrec->Caller_IP = exc->IP + 1; + pCrec->Cur_Count = 1; + pCrec->Def = def; + + exc->callTop++; + + Ins_Goto_CodeRange( exc, def->range, def->start ); + + exc->step_ins = FALSE; + + return; + + Fail: + exc->error = FT_THROW( Invalid_Reference ); + } + + + /*************************************************************************/ + /* */ + /* LOOPCALL[]: LOOP and CALL function */ + /* Opcode range: 0x2A */ + /* Stack: uint32? Eint16? --> */ + /* */ + static void + Ins_LOOPCALL( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong F; + TT_CallRec* pCrec; + TT_DefRecord* def; + + + /* first of all, check the index */ + F = (FT_ULong)args[1]; + if ( BOUNDSL( F, exc->maxFunc + 1 ) ) + goto Fail; + + /* Except for some old Apple fonts, all functions in a TrueType */ + /* font are defined in increasing order, starting from 0. This */ + /* means that we normally have */ + /* */ + /* exc->maxFunc+1 == exc->numFDefs */ + /* exc->FDefs[n].opc == n for n in 0..exc->maxFunc */ + /* */ + /* If this isn't true, we need to look up the function table. */ + + def = exc->FDefs + F; + if ( exc->maxFunc + 1 != exc->numFDefs || def->opc != F ) + { + /* look up the FDefs table */ + TT_DefRecord* limit; + + + def = exc->FDefs; + limit = def + exc->numFDefs; + + while ( def < limit && def->opc != F ) + def++; + + if ( def == limit ) + goto Fail; + } + + /* check that the function is active */ + if ( !def->active ) + goto Fail; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + ( def->sph_fdef_flags & SPH_FDEF_VACUFORM_ROUND_1 ) ) + goto Fail; + else + exc->sph_in_func_flags = def->sph_fdef_flags; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + /* check stack */ + if ( exc->callTop >= exc->callSize ) + { + exc->error = FT_THROW( Stack_Overflow ); + return; + } + + if ( args[0] > 0 ) + { + pCrec = exc->callStack + exc->callTop; + + pCrec->Caller_Range = exc->curRange; + pCrec->Caller_IP = exc->IP + 1; + pCrec->Cur_Count = (FT_Int)args[0]; + pCrec->Def = def; + + exc->callTop++; + + Ins_Goto_CodeRange( exc, def->range, def->start ); + + exc->step_ins = FALSE; + + exc->loopcall_counter += (FT_ULong)args[0]; + if ( exc->loopcall_counter > exc->loopcall_counter_max ) + exc->error = FT_THROW( Execution_Too_Long ); + } + + return; + + Fail: + exc->error = FT_THROW( Invalid_Reference ); + } + + + /*************************************************************************/ + /* */ + /* IDEF[]: Instruction DEFinition */ + /* Opcode range: 0x89 */ + /* Stack: Eint8 --> */ + /* */ + static void + Ins_IDEF( TT_ExecContext exc, + FT_Long* args ) + { + TT_DefRecord* def; + TT_DefRecord* limit; + + + /* we enable IDEF only in `prep' or `fpgm' */ + if ( exc->curRange == tt_coderange_glyph ) + { + exc->error = FT_THROW( DEF_In_Glyf_Bytecode ); + return; + } + + /* First of all, look for the same function in our table */ + + def = exc->IDefs; + limit = def + exc->numIDefs; + + for ( ; def < limit; def++ ) + if ( def->opc == (FT_ULong)args[0] ) + break; + + if ( def == limit ) + { + /* check that there is enough room for a new instruction */ + if ( exc->numIDefs >= exc->maxIDefs ) + { + exc->error = FT_THROW( Too_Many_Instruction_Defs ); + return; + } + exc->numIDefs++; + } + + /* opcode must be unsigned 8-bit integer */ + if ( 0 > args[0] || args[0] > 0x00FF ) + { + exc->error = FT_THROW( Too_Many_Instruction_Defs ); + return; + } + + def->opc = (FT_Byte)args[0]; + def->start = exc->IP + 1; + def->range = exc->curRange; + def->active = TRUE; + + if ( (FT_ULong)args[0] > exc->maxIns ) + exc->maxIns = (FT_Byte)args[0]; + + /* Now skip the whole function definition. */ + /* We don't allow nested IDEFs & FDEFs. */ + + while ( SkipCode( exc ) == SUCCESS ) + { + switch ( exc->opcode ) + { + case 0x89: /* IDEF */ + case 0x2C: /* FDEF */ + exc->error = FT_THROW( Nested_DEFS ); + return; + case 0x2D: /* ENDF */ + def->end = exc->IP; + return; + } + } + } + + + /*************************************************************************/ + /* */ + /* PUSHING DATA ONTO THE INTERPRETER STACK */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* NPUSHB[]: PUSH N Bytes */ + /* Opcode range: 0x40 */ + /* Stack: --> uint32... */ + /* */ + static void + Ins_NPUSHB( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort L, K; + + + L = (FT_UShort)exc->code[exc->IP + 1]; + + if ( BOUNDS( L, exc->stackSize + 1 - exc->top ) ) + { + exc->error = FT_THROW( Stack_Overflow ); + return; + } + + for ( K = 1; K <= L; K++ ) + args[K - 1] = exc->code[exc->IP + K + 1]; + + exc->new_top += L; + } + + + /*************************************************************************/ + /* */ + /* NPUSHW[]: PUSH N Words */ + /* Opcode range: 0x41 */ + /* Stack: --> int32... */ + /* */ + static void + Ins_NPUSHW( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort L, K; + + + L = (FT_UShort)exc->code[exc->IP + 1]; + + if ( BOUNDS( L, exc->stackSize + 1 - exc->top ) ) + { + exc->error = FT_THROW( Stack_Overflow ); + return; + } + + exc->IP += 2; + + for ( K = 0; K < L; K++ ) + args[K] = GetShortIns( exc ); + + exc->step_ins = FALSE; + exc->new_top += L; + } + + + /*************************************************************************/ + /* */ + /* PUSHB[abc]: PUSH Bytes */ + /* Opcode range: 0xB0-0xB7 */ + /* Stack: --> uint32... */ + /* */ + static void + Ins_PUSHB( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort L, K; + + + L = (FT_UShort)( exc->opcode - 0xB0 + 1 ); + + if ( BOUNDS( L, exc->stackSize + 1 - exc->top ) ) + { + exc->error = FT_THROW( Stack_Overflow ); + return; + } + + for ( K = 1; K <= L; K++ ) + args[K - 1] = exc->code[exc->IP + K]; + } + + + /*************************************************************************/ + /* */ + /* PUSHW[abc]: PUSH Words */ + /* Opcode range: 0xB8-0xBF */ + /* Stack: --> int32... */ + /* */ + static void + Ins_PUSHW( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort L, K; + + + L = (FT_UShort)( exc->opcode - 0xB8 + 1 ); + + if ( BOUNDS( L, exc->stackSize + 1 - exc->top ) ) + { + exc->error = FT_THROW( Stack_Overflow ); + return; + } + + exc->IP++; + + for ( K = 0; K < L; K++ ) + args[K] = GetShortIns( exc ); + + exc->step_ins = FALSE; + } + + + /*************************************************************************/ + /* */ + /* MANAGING THE GRAPHICS STATE */ + /* */ + /*************************************************************************/ + + + static FT_Bool + Ins_SxVTL( TT_ExecContext exc, + FT_UShort aIdx1, + FT_UShort aIdx2, + FT_UnitVector* Vec ) + { + FT_Long A, B, C; + FT_Vector* p1; + FT_Vector* p2; + + FT_Byte opcode = exc->opcode; + + + if ( BOUNDS( aIdx1, exc->zp2.n_points ) || + BOUNDS( aIdx2, exc->zp1.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return FAILURE; + } + + p1 = exc->zp1.cur + aIdx2; + p2 = exc->zp2.cur + aIdx1; + + A = SUB_LONG( p1->x, p2->x ); + B = SUB_LONG( p1->y, p2->y ); + + /* If p1 == p2, SPvTL and SFvTL behave the same as */ + /* SPvTCA[X] and SFvTCA[X], respectively. */ + /* */ + /* Confirmed by Greg Hitchcock. */ + + if ( A == 0 && B == 0 ) + { + A = 0x4000; + opcode = 0; + } + + if ( ( opcode & 1 ) != 0 ) + { + C = B; /* counter clockwise rotation */ + B = A; + A = NEG_LONG( C ); + } + + Normalize( A, B, Vec ); + + return SUCCESS; + } + + + /*************************************************************************/ + /* */ + /* SVTCA[a]: Set (F and P) Vectors to Coordinate Axis */ + /* Opcode range: 0x00-0x01 */ + /* Stack: --> */ + /* */ + /* SPvTCA[a]: Set PVector to Coordinate Axis */ + /* Opcode range: 0x02-0x03 */ + /* Stack: --> */ + /* */ + /* SFvTCA[a]: Set FVector to Coordinate Axis */ + /* Opcode range: 0x04-0x05 */ + /* Stack: --> */ + /* */ + static void + Ins_SxyTCA( TT_ExecContext exc ) + { + FT_Short AA, BB; + + FT_Byte opcode = exc->opcode; + + + AA = (FT_Short)( ( opcode & 1 ) << 14 ); + BB = (FT_Short)( AA ^ 0x4000 ); + + if ( opcode < 4 ) + { + exc->GS.projVector.x = AA; + exc->GS.projVector.y = BB; + + exc->GS.dualVector.x = AA; + exc->GS.dualVector.y = BB; + } + + if ( ( opcode & 2 ) == 0 ) + { + exc->GS.freeVector.x = AA; + exc->GS.freeVector.y = BB; + } + + Compute_Funcs( exc ); + } + + + /*************************************************************************/ + /* */ + /* SPvTL[a]: Set PVector To Line */ + /* Opcode range: 0x06-0x07 */ + /* Stack: uint32 uint32 --> */ + /* */ + static void + Ins_SPVTL( TT_ExecContext exc, + FT_Long* args ) + { + if ( Ins_SxVTL( exc, + (FT_UShort)args[1], + (FT_UShort)args[0], + &exc->GS.projVector ) == SUCCESS ) + { + exc->GS.dualVector = exc->GS.projVector; + Compute_Funcs( exc ); + } + } + + + /*************************************************************************/ + /* */ + /* SFvTL[a]: Set FVector To Line */ + /* Opcode range: 0x08-0x09 */ + /* Stack: uint32 uint32 --> */ + /* */ + static void + Ins_SFVTL( TT_ExecContext exc, + FT_Long* args ) + { + if ( Ins_SxVTL( exc, + (FT_UShort)args[1], + (FT_UShort)args[0], + &exc->GS.freeVector ) == SUCCESS ) + { + Compute_Funcs( exc ); + } + } + + + /*************************************************************************/ + /* */ + /* SFvTPv[]: Set FVector To PVector */ + /* Opcode range: 0x0E */ + /* Stack: --> */ + /* */ + static void + Ins_SFVTPV( TT_ExecContext exc ) + { + exc->GS.freeVector = exc->GS.projVector; + Compute_Funcs( exc ); + } + + + /*************************************************************************/ + /* */ + /* SPvFS[]: Set PVector From Stack */ + /* Opcode range: 0x0A */ + /* Stack: f2.14 f2.14 --> */ + /* */ + static void + Ins_SPVFS( TT_ExecContext exc, + FT_Long* args ) + { + FT_Short S; + FT_Long X, Y; + + + /* Only use low 16bits, then sign extend */ + S = (FT_Short)args[1]; + Y = (FT_Long)S; + S = (FT_Short)args[0]; + X = (FT_Long)S; + + Normalize( X, Y, &exc->GS.projVector ); + + exc->GS.dualVector = exc->GS.projVector; + Compute_Funcs( exc ); + } + + + /*************************************************************************/ + /* */ + /* SFvFS[]: Set FVector From Stack */ + /* Opcode range: 0x0B */ + /* Stack: f2.14 f2.14 --> */ + /* */ + static void + Ins_SFVFS( TT_ExecContext exc, + FT_Long* args ) + { + FT_Short S; + FT_Long X, Y; + + + /* Only use low 16bits, then sign extend */ + S = (FT_Short)args[1]; + Y = (FT_Long)S; + S = (FT_Short)args[0]; + X = S; + + Normalize( X, Y, &exc->GS.freeVector ); + Compute_Funcs( exc ); + } + + + /*************************************************************************/ + /* */ + /* GPv[]: Get Projection Vector */ + /* Opcode range: 0x0C */ + /* Stack: ef2.14 --> ef2.14 */ + /* */ + static void + Ins_GPV( TT_ExecContext exc, + FT_Long* args ) + { + args[0] = exc->GS.projVector.x; + args[1] = exc->GS.projVector.y; + } + + + /*************************************************************************/ + /* */ + /* GFv[]: Get Freedom Vector */ + /* Opcode range: 0x0D */ + /* Stack: ef2.14 --> ef2.14 */ + /* */ + static void + Ins_GFV( TT_ExecContext exc, + FT_Long* args ) + { + args[0] = exc->GS.freeVector.x; + args[1] = exc->GS.freeVector.y; + } + + + /*************************************************************************/ + /* */ + /* SRP0[]: Set Reference Point 0 */ + /* Opcode range: 0x10 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SRP0( TT_ExecContext exc, + FT_Long* args ) + { + exc->GS.rp0 = (FT_UShort)args[0]; + } + + + /*************************************************************************/ + /* */ + /* SRP1[]: Set Reference Point 1 */ + /* Opcode range: 0x11 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SRP1( TT_ExecContext exc, + FT_Long* args ) + { + exc->GS.rp1 = (FT_UShort)args[0]; + } + + + /*************************************************************************/ + /* */ + /* SRP2[]: Set Reference Point 2 */ + /* Opcode range: 0x12 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SRP2( TT_ExecContext exc, + FT_Long* args ) + { + exc->GS.rp2 = (FT_UShort)args[0]; + } + + + /*************************************************************************/ + /* */ + /* SMD[]: Set Minimum Distance */ + /* Opcode range: 0x1A */ + /* Stack: f26.6 --> */ + /* */ + static void + Ins_SMD( TT_ExecContext exc, + FT_Long* args ) + { + exc->GS.minimum_distance = args[0]; + } + + + /*************************************************************************/ + /* */ + /* SCVTCI[]: Set Control Value Table Cut In */ + /* Opcode range: 0x1D */ + /* Stack: f26.6 --> */ + /* */ + static void + Ins_SCVTCI( TT_ExecContext exc, + FT_Long* args ) + { + exc->GS.control_value_cutin = (FT_F26Dot6)args[0]; + } + + + /*************************************************************************/ + /* */ + /* SSWCI[]: Set Single Width Cut In */ + /* Opcode range: 0x1E */ + /* Stack: f26.6 --> */ + /* */ + static void + Ins_SSWCI( TT_ExecContext exc, + FT_Long* args ) + { + exc->GS.single_width_cutin = (FT_F26Dot6)args[0]; + } + + + /*************************************************************************/ + /* */ + /* SSW[]: Set Single Width */ + /* Opcode range: 0x1F */ + /* Stack: int32? --> */ + /* */ + static void + Ins_SSW( TT_ExecContext exc, + FT_Long* args ) + { + exc->GS.single_width_value = FT_MulFix( args[0], + exc->tt_metrics.scale ); + } + + + /*************************************************************************/ + /* */ + /* FLIPON[]: Set auto-FLIP to ON */ + /* Opcode range: 0x4D */ + /* Stack: --> */ + /* */ + static void + Ins_FLIPON( TT_ExecContext exc ) + { + exc->GS.auto_flip = TRUE; + } + + + /*************************************************************************/ + /* */ + /* FLIPOFF[]: Set auto-FLIP to OFF */ + /* Opcode range: 0x4E */ + /* Stack: --> */ + /* */ + static void + Ins_FLIPOFF( TT_ExecContext exc ) + { + exc->GS.auto_flip = FALSE; + } + + + /*************************************************************************/ + /* */ + /* SANGW[]: Set ANGle Weight */ + /* Opcode range: 0x7E */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SANGW( void ) + { + /* instruction not supported anymore */ + } + + + /*************************************************************************/ + /* */ + /* SDB[]: Set Delta Base */ + /* Opcode range: 0x5E */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SDB( TT_ExecContext exc, + FT_Long* args ) + { + exc->GS.delta_base = (FT_UShort)args[0]; + } + + + /*************************************************************************/ + /* */ + /* SDS[]: Set Delta Shift */ + /* Opcode range: 0x5F */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SDS( TT_ExecContext exc, + FT_Long* args ) + { + if ( (FT_ULong)args[0] > 6UL ) + exc->error = FT_THROW( Bad_Argument ); + else + exc->GS.delta_shift = (FT_UShort)args[0]; + } + + + /*************************************************************************/ + /* */ + /* RTHG[]: Round To Half Grid */ + /* Opcode range: 0x19 */ + /* Stack: --> */ + /* */ + static void + Ins_RTHG( TT_ExecContext exc ) + { + exc->GS.round_state = TT_Round_To_Half_Grid; + exc->func_round = (TT_Round_Func)Round_To_Half_Grid; + } + + + /*************************************************************************/ + /* */ + /* RTG[]: Round To Grid */ + /* Opcode range: 0x18 */ + /* Stack: --> */ + /* */ + static void + Ins_RTG( TT_ExecContext exc ) + { + exc->GS.round_state = TT_Round_To_Grid; + exc->func_round = (TT_Round_Func)Round_To_Grid; + } + + + /*************************************************************************/ + /* RTDG[]: Round To Double Grid */ + /* Opcode range: 0x3D */ + /* Stack: --> */ + /* */ + static void + Ins_RTDG( TT_ExecContext exc ) + { + exc->GS.round_state = TT_Round_To_Double_Grid; + exc->func_round = (TT_Round_Func)Round_To_Double_Grid; + } + + + /*************************************************************************/ + /* RUTG[]: Round Up To Grid */ + /* Opcode range: 0x7C */ + /* Stack: --> */ + /* */ + static void + Ins_RUTG( TT_ExecContext exc ) + { + exc->GS.round_state = TT_Round_Up_To_Grid; + exc->func_round = (TT_Round_Func)Round_Up_To_Grid; + } + + + /*************************************************************************/ + /* */ + /* RDTG[]: Round Down To Grid */ + /* Opcode range: 0x7D */ + /* Stack: --> */ + /* */ + static void + Ins_RDTG( TT_ExecContext exc ) + { + exc->GS.round_state = TT_Round_Down_To_Grid; + exc->func_round = (TT_Round_Func)Round_Down_To_Grid; + } + + + /*************************************************************************/ + /* */ + /* ROFF[]: Round OFF */ + /* Opcode range: 0x7A */ + /* Stack: --> */ + /* */ + static void + Ins_ROFF( TT_ExecContext exc ) + { + exc->GS.round_state = TT_Round_Off; + exc->func_round = (TT_Round_Func)Round_None; + } + + + /*************************************************************************/ + /* */ + /* SROUND[]: Super ROUND */ + /* Opcode range: 0x76 */ + /* Stack: Eint8 --> */ + /* */ + static void + Ins_SROUND( TT_ExecContext exc, + FT_Long* args ) + { + SetSuperRound( exc, 0x4000, args[0] ); + + exc->GS.round_state = TT_Round_Super; + exc->func_round = (TT_Round_Func)Round_Super; + } + + + /*************************************************************************/ + /* */ + /* S45ROUND[]: Super ROUND 45 degrees */ + /* Opcode range: 0x77 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_S45ROUND( TT_ExecContext exc, + FT_Long* args ) + { + SetSuperRound( exc, 0x2D41, args[0] ); + + exc->GS.round_state = TT_Round_Super_45; + exc->func_round = (TT_Round_Func)Round_Super_45; + } + + + /*************************************************************************/ + /* */ + /* GC[a]: Get Coordinate projected onto */ + /* Opcode range: 0x46-0x47 */ + /* Stack: uint32 --> f26.6 */ + /* */ + /* XXX: UNDOCUMENTED: Measures from the original glyph must be taken */ + /* along the dual projection vector! */ + /* */ + static void + Ins_GC( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong L; + FT_F26Dot6 R; + + + L = (FT_ULong)args[0]; + + if ( BOUNDSL( L, exc->zp2.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + R = 0; + } + else + { + if ( exc->opcode & 1 ) + R = FAST_DUALPROJ( &exc->zp2.org[L] ); + else + R = FAST_PROJECT( &exc->zp2.cur[L] ); + } + + args[0] = R; + } + + + /*************************************************************************/ + /* */ + /* SCFS[]: Set Coordinate From Stack */ + /* Opcode range: 0x48 */ + /* Stack: f26.6 uint32 --> */ + /* */ + /* Formula: */ + /* */ + /* OA := OA + ( value - OA.p )/( f.p ) * f */ + /* */ + static void + Ins_SCFS( TT_ExecContext exc, + FT_Long* args ) + { + FT_Long K; + FT_UShort L; + + + L = (FT_UShort)args[0]; + + if ( BOUNDS( L, exc->zp2.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + K = FAST_PROJECT( &exc->zp2.cur[L] ); + + exc->func_move( exc, &exc->zp2, L, SUB_LONG( args[1], K ) ); + + /* UNDOCUMENTED! The MS rasterizer does that with */ + /* twilight points (confirmed by Greg Hitchcock) */ + if ( exc->GS.gep2 == 0 ) + exc->zp2.org[L] = exc->zp2.cur[L]; + } + + + /*************************************************************************/ + /* */ + /* MD[a]: Measure Distance */ + /* Opcode range: 0x49-0x4A */ + /* Stack: uint32 uint32 --> f26.6 */ + /* */ + /* XXX: UNDOCUMENTED: Measure taken in the original glyph must be along */ + /* the dual projection vector. */ + /* */ + /* XXX: UNDOCUMENTED: Flag attributes are inverted! */ + /* 0 => measure distance in original outline */ + /* 1 => measure distance in grid-fitted outline */ + /* */ + /* XXX: UNDOCUMENTED: `zp0 - zp1', and not `zp2 - zp1! */ + /* */ + static void + Ins_MD( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort K, L; + FT_F26Dot6 D; + + + K = (FT_UShort)args[1]; + L = (FT_UShort)args[0]; + + if ( BOUNDS( L, exc->zp0.n_points ) || + BOUNDS( K, exc->zp1.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + D = 0; + } + else + { + if ( exc->opcode & 1 ) + D = PROJECT( exc->zp0.cur + L, exc->zp1.cur + K ); + else + { + /* XXX: UNDOCUMENTED: twilight zone special case */ + + if ( exc->GS.gep0 == 0 || exc->GS.gep1 == 0 ) + { + FT_Vector* vec1 = exc->zp0.org + L; + FT_Vector* vec2 = exc->zp1.org + K; + + + D = DUALPROJ( vec1, vec2 ); + } + else + { + FT_Vector* vec1 = exc->zp0.orus + L; + FT_Vector* vec2 = exc->zp1.orus + K; + + + if ( exc->metrics.x_scale == exc->metrics.y_scale ) + { + /* this should be faster */ + D = DUALPROJ( vec1, vec2 ); + D = FT_MulFix( D, exc->metrics.x_scale ); + } + else + { + FT_Vector vec; + + + vec.x = FT_MulFix( vec1->x - vec2->x, exc->metrics.x_scale ); + vec.y = FT_MulFix( vec1->y - vec2->y, exc->metrics.y_scale ); + + D = FAST_DUALPROJ( &vec ); + } + } + } + } + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* Disable Type 2 Vacuform Rounds - e.g. Arial Narrow */ + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + FT_ABS( D ) == 64 ) + D += 1; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + args[0] = D; + } + + + /*************************************************************************/ + /* */ + /* SDPvTL[a]: Set Dual PVector to Line */ + /* Opcode range: 0x86-0x87 */ + /* Stack: uint32 uint32 --> */ + /* */ + static void + Ins_SDPVTL( TT_ExecContext exc, + FT_Long* args ) + { + FT_Long A, B, C; + FT_UShort p1, p2; /* was FT_Int in pas type ERROR */ + + FT_Byte opcode = exc->opcode; + + + p1 = (FT_UShort)args[1]; + p2 = (FT_UShort)args[0]; + + if ( BOUNDS( p2, exc->zp1.n_points ) || + BOUNDS( p1, exc->zp2.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + { + FT_Vector* v1 = exc->zp1.org + p2; + FT_Vector* v2 = exc->zp2.org + p1; + + + A = SUB_LONG( v1->x, v2->x ); + B = SUB_LONG( v1->y, v2->y ); + + /* If v1 == v2, SDPvTL behaves the same as */ + /* SVTCA[X], respectively. */ + /* */ + /* Confirmed by Greg Hitchcock. */ + + if ( A == 0 && B == 0 ) + { + A = 0x4000; + opcode = 0; + } + } + + if ( ( opcode & 1 ) != 0 ) + { + C = B; /* counter clockwise rotation */ + B = A; + A = NEG_LONG( C ); + } + + Normalize( A, B, &exc->GS.dualVector ); + + { + FT_Vector* v1 = exc->zp1.cur + p2; + FT_Vector* v2 = exc->zp2.cur + p1; + + + A = SUB_LONG( v1->x, v2->x ); + B = SUB_LONG( v1->y, v2->y ); + + if ( A == 0 && B == 0 ) + { + A = 0x4000; + opcode = 0; + } + } + + if ( ( opcode & 1 ) != 0 ) + { + C = B; /* counter clockwise rotation */ + B = A; + A = NEG_LONG( C ); + } + + Normalize( A, B, &exc->GS.projVector ); + Compute_Funcs( exc ); + } + + + /*************************************************************************/ + /* */ + /* SZP0[]: Set Zone Pointer 0 */ + /* Opcode range: 0x13 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SZP0( TT_ExecContext exc, + FT_Long* args ) + { + switch ( (FT_Int)args[0] ) + { + case 0: + exc->zp0 = exc->twilight; + break; + + case 1: + exc->zp0 = exc->pts; + break; + + default: + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + exc->GS.gep0 = (FT_UShort)args[0]; + } + + + /*************************************************************************/ + /* */ + /* SZP1[]: Set Zone Pointer 1 */ + /* Opcode range: 0x14 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SZP1( TT_ExecContext exc, + FT_Long* args ) + { + switch ( (FT_Int)args[0] ) + { + case 0: + exc->zp1 = exc->twilight; + break; + + case 1: + exc->zp1 = exc->pts; + break; + + default: + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + exc->GS.gep1 = (FT_UShort)args[0]; + } + + + /*************************************************************************/ + /* */ + /* SZP2[]: Set Zone Pointer 2 */ + /* Opcode range: 0x15 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SZP2( TT_ExecContext exc, + FT_Long* args ) + { + switch ( (FT_Int)args[0] ) + { + case 0: + exc->zp2 = exc->twilight; + break; + + case 1: + exc->zp2 = exc->pts; + break; + + default: + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + exc->GS.gep2 = (FT_UShort)args[0]; + } + + + /*************************************************************************/ + /* */ + /* SZPS[]: Set Zone PointerS */ + /* Opcode range: 0x16 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SZPS( TT_ExecContext exc, + FT_Long* args ) + { + switch ( (FT_Int)args[0] ) + { + case 0: + exc->zp0 = exc->twilight; + break; + + case 1: + exc->zp0 = exc->pts; + break; + + default: + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + exc->zp1 = exc->zp0; + exc->zp2 = exc->zp0; + + exc->GS.gep0 = (FT_UShort)args[0]; + exc->GS.gep1 = (FT_UShort)args[0]; + exc->GS.gep2 = (FT_UShort)args[0]; + } + + + /*************************************************************************/ + /* */ + /* INSTCTRL[]: INSTruction ConTRoL */ + /* Opcode range: 0x8E */ + /* Stack: int32 int32 --> */ + /* */ + static void + Ins_INSTCTRL( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong K, L, Kf; + + + K = (FT_ULong)args[1]; + L = (FT_ULong)args[0]; + + /* selector values cannot be `OR'ed; */ + /* they are indices starting with index 1, not flags */ + if ( K < 1 || K > 3 ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + /* convert index to flag value */ + Kf = 1 << ( K - 1 ); + + if ( L != 0 ) + { + /* arguments to selectors look like flag values */ + if ( L != Kf ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + } + + exc->GS.instruct_control &= ~(FT_Byte)Kf; + exc->GS.instruct_control |= (FT_Byte)L; + + if ( K == 3 ) + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* INSTCTRL modifying flag 3 also has an effect */ + /* outside of the CVT program */ + if ( SUBPIXEL_HINTING_INFINALITY ) + exc->ignore_x_mode = FT_BOOL( L == 4 ); +#endif + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* Native ClearType fonts sign a waiver that turns off all backward */ + /* compatibility hacks and lets them program points to the grid like */ + /* it's 1996. They might sign a waiver for just one glyph, though. */ + if ( SUBPIXEL_HINTING_MINIMAL ) + exc->backward_compatibility = !FT_BOOL( L == 4 ); +#endif + } + } + + + /*************************************************************************/ + /* */ + /* SCANCTRL[]: SCAN ConTRoL */ + /* Opcode range: 0x85 */ + /* Stack: uint32? --> */ + /* */ + static void + Ins_SCANCTRL( TT_ExecContext exc, + FT_Long* args ) + { + FT_Int A; + + + /* Get Threshold */ + A = (FT_Int)( args[0] & 0xFF ); + + if ( A == 0xFF ) + { + exc->GS.scan_control = TRUE; + return; + } + else if ( A == 0 ) + { + exc->GS.scan_control = FALSE; + return; + } + + if ( ( args[0] & 0x100 ) != 0 && exc->tt_metrics.ppem <= A ) + exc->GS.scan_control = TRUE; + + if ( ( args[0] & 0x200 ) != 0 && exc->tt_metrics.rotated ) + exc->GS.scan_control = TRUE; + + if ( ( args[0] & 0x400 ) != 0 && exc->tt_metrics.stretched ) + exc->GS.scan_control = TRUE; + + if ( ( args[0] & 0x800 ) != 0 && exc->tt_metrics.ppem > A ) + exc->GS.scan_control = FALSE; + + if ( ( args[0] & 0x1000 ) != 0 && exc->tt_metrics.rotated ) + exc->GS.scan_control = FALSE; + + if ( ( args[0] & 0x2000 ) != 0 && exc->tt_metrics.stretched ) + exc->GS.scan_control = FALSE; + } + + + /*************************************************************************/ + /* */ + /* SCANTYPE[]: SCAN TYPE */ + /* Opcode range: 0x8D */ + /* Stack: uint16 --> */ + /* */ + static void + Ins_SCANTYPE( TT_ExecContext exc, + FT_Long* args ) + { + if ( args[0] >= 0 ) + exc->GS.scan_type = (FT_Int)args[0] & 0xFFFF; + } + + + /*************************************************************************/ + /* */ + /* MANAGING OUTLINES */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* FLIPPT[]: FLIP PoinT */ + /* Opcode range: 0x80 */ + /* Stack: uint32... --> */ + /* */ + static void + Ins_FLIPPT( TT_ExecContext exc ) + { + FT_UShort point; + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* See `ttinterp.h' for details on backward compatibility mode. */ + if ( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility && + exc->iupx_called && + exc->iupy_called ) + goto Fail; +#endif + + if ( exc->top < exc->GS.loop ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Too_Few_Arguments ); + goto Fail; + } + + while ( exc->GS.loop > 0 ) + { + exc->args--; + + point = (FT_UShort)exc->stack[exc->args]; + + if ( BOUNDS( point, exc->pts.n_points ) ) + { + if ( exc->pedantic_hinting ) + { + exc->error = FT_THROW( Invalid_Reference ); + return; + } + } + else + exc->pts.tags[point] ^= FT_CURVE_TAG_ON; + + exc->GS.loop--; + } + + Fail: + exc->GS.loop = 1; + exc->new_top = exc->args; + } + + + /*************************************************************************/ + /* */ + /* FLIPRGON[]: FLIP RanGe ON */ + /* Opcode range: 0x81 */ + /* Stack: uint32 uint32 --> */ + /* */ + static void + Ins_FLIPRGON( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort I, K, L; + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* See `ttinterp.h' for details on backward compatibility mode. */ + if ( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility && + exc->iupx_called && + exc->iupy_called ) + return; +#endif + + K = (FT_UShort)args[1]; + L = (FT_UShort)args[0]; + + if ( BOUNDS( K, exc->pts.n_points ) || + BOUNDS( L, exc->pts.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + for ( I = L; I <= K; I++ ) + exc->pts.tags[I] |= FT_CURVE_TAG_ON; + } + + + /*************************************************************************/ + /* */ + /* FLIPRGOFF: FLIP RanGe OFF */ + /* Opcode range: 0x82 */ + /* Stack: uint32 uint32 --> */ + /* */ + static void + Ins_FLIPRGOFF( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort I, K, L; + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* See `ttinterp.h' for details on backward compatibility mode. */ + if ( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility && + exc->iupx_called && + exc->iupy_called ) + return; +#endif + + K = (FT_UShort)args[1]; + L = (FT_UShort)args[0]; + + if ( BOUNDS( K, exc->pts.n_points ) || + BOUNDS( L, exc->pts.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + for ( I = L; I <= K; I++ ) + exc->pts.tags[I] &= ~FT_CURVE_TAG_ON; + } + + + static FT_Bool + Compute_Point_Displacement( TT_ExecContext exc, + FT_F26Dot6* x, + FT_F26Dot6* y, + TT_GlyphZone zone, + FT_UShort* refp ) + { + TT_GlyphZoneRec zp; + FT_UShort p; + FT_F26Dot6 d; + + + if ( exc->opcode & 1 ) + { + zp = exc->zp0; + p = exc->GS.rp1; + } + else + { + zp = exc->zp1; + p = exc->GS.rp2; + } + + if ( BOUNDS( p, zp.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + *refp = 0; + return FAILURE; + } + + *zone = zp; + *refp = p; + + d = PROJECT( zp.cur + p, zp.org + p ); + + *x = FT_MulDiv( d, (FT_Long)exc->GS.freeVector.x, exc->F_dot_P ); + *y = FT_MulDiv( d, (FT_Long)exc->GS.freeVector.y, exc->F_dot_P ); + + return SUCCESS; + } + + + /* See `ttinterp.h' for details on backward compatibility mode. */ + static void + Move_Zp2_Point( TT_ExecContext exc, + FT_UShort point, + FT_F26Dot6 dx, + FT_F26Dot6 dy, + FT_Bool touch ) + { + if ( exc->GS.freeVector.x != 0 ) + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( !( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility ) ) +#endif + exc->zp2.cur[point].x = ADD_LONG( exc->zp2.cur[point].x, dx ); + + if ( touch ) + exc->zp2.tags[point] |= FT_CURVE_TAG_TOUCH_X; + } + + if ( exc->GS.freeVector.y != 0 ) + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( !( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility && + exc->iupx_called && + exc->iupy_called ) ) +#endif + exc->zp2.cur[point].y = ADD_LONG( exc->zp2.cur[point].y, dy ); + + if ( touch ) + exc->zp2.tags[point] |= FT_CURVE_TAG_TOUCH_Y; + } + } + + + /*************************************************************************/ + /* */ + /* SHP[a]: SHift Point by the last point */ + /* Opcode range: 0x32-0x33 */ + /* Stack: uint32... --> */ + /* */ + static void + Ins_SHP( TT_ExecContext exc ) + { + TT_GlyphZoneRec zp; + FT_UShort refp; + + FT_F26Dot6 dx, dy; + FT_UShort point; + + + if ( exc->top < exc->GS.loop ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + goto Fail; + } + + if ( Compute_Point_Displacement( exc, &dx, &dy, &zp, &refp ) ) + return; + + while ( exc->GS.loop > 0 ) + { + exc->args--; + point = (FT_UShort)exc->stack[exc->args]; + + if ( BOUNDS( point, exc->zp2.n_points ) ) + { + if ( exc->pedantic_hinting ) + { + exc->error = FT_THROW( Invalid_Reference ); + return; + } + } + else +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* doesn't follow Cleartype spec but produces better result */ + if ( SUBPIXEL_HINTING_INFINALITY && exc->ignore_x_mode ) + Move_Zp2_Point( exc, point, 0, dy, TRUE ); + else +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + Move_Zp2_Point( exc, point, dx, dy, TRUE ); + + exc->GS.loop--; + } + + Fail: + exc->GS.loop = 1; + exc->new_top = exc->args; + } + + + /*************************************************************************/ + /* */ + /* SHC[a]: SHift Contour */ + /* Opcode range: 0x34-35 */ + /* Stack: uint32 --> */ + /* */ + /* UNDOCUMENTED: According to Greg Hitchcock, there is one (virtual) */ + /* contour in the twilight zone, namely contour number */ + /* zero which includes all points of it. */ + /* */ + static void + Ins_SHC( TT_ExecContext exc, + FT_Long* args ) + { + TT_GlyphZoneRec zp; + FT_UShort refp; + FT_F26Dot6 dx, dy; + + FT_Short contour, bounds; + FT_UShort start, limit, i; + + + contour = (FT_Short)args[0]; + bounds = ( exc->GS.gep2 == 0 ) ? 1 : exc->zp2.n_contours; + + if ( BOUNDS( contour, bounds ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + if ( Compute_Point_Displacement( exc, &dx, &dy, &zp, &refp ) ) + return; + + if ( contour == 0 ) + start = 0; + else + start = (FT_UShort)( exc->zp2.contours[contour - 1] + 1 - + exc->zp2.first_point ); + + /* we use the number of points if in the twilight zone */ + if ( exc->GS.gep2 == 0 ) + limit = exc->zp2.n_points; + else + limit = (FT_UShort)( exc->zp2.contours[contour] - + exc->zp2.first_point + 1 ); + + for ( i = start; i < limit; i++ ) + { + if ( zp.cur != exc->zp2.cur || refp != i ) + Move_Zp2_Point( exc, i, dx, dy, TRUE ); + } + } + + + /*************************************************************************/ + /* */ + /* SHZ[a]: SHift Zone */ + /* Opcode range: 0x36-37 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_SHZ( TT_ExecContext exc, + FT_Long* args ) + { + TT_GlyphZoneRec zp; + FT_UShort refp; + FT_F26Dot6 dx, + dy; + + FT_UShort limit, i; + + + if ( BOUNDS( args[0], 2 ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + if ( Compute_Point_Displacement( exc, &dx, &dy, &zp, &refp ) ) + return; + + /* XXX: UNDOCUMENTED! SHZ doesn't move the phantom points. */ + /* Twilight zone has no real contours, so use `n_points'. */ + /* Normal zone's `n_points' includes phantoms, so must */ + /* use end of last contour. */ + if ( exc->GS.gep2 == 0 ) + limit = (FT_UShort)exc->zp2.n_points; + else if ( exc->GS.gep2 == 1 && exc->zp2.n_contours > 0 ) + limit = (FT_UShort)( exc->zp2.contours[exc->zp2.n_contours - 1] + 1 ); + else + limit = 0; + + /* XXX: UNDOCUMENTED! SHZ doesn't touch the points */ + for ( i = 0; i < limit; i++ ) + { + if ( zp.cur != exc->zp2.cur || refp != i ) + Move_Zp2_Point( exc, i, dx, dy, FALSE ); + } + } + + + /*************************************************************************/ + /* */ + /* SHPIX[]: SHift points by a PIXel amount */ + /* Opcode range: 0x38 */ + /* Stack: f26.6 uint32... --> */ + /* */ + static void + Ins_SHPIX( TT_ExecContext exc, + FT_Long* args ) + { + FT_F26Dot6 dx, dy; + FT_UShort point; +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + FT_Int B1, B2; +#endif +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + FT_Bool in_twilight = FT_BOOL( exc->GS.gep0 == 0 || + exc->GS.gep1 == 0 || + exc->GS.gep2 == 0 ); +#endif + + + + if ( exc->top < exc->GS.loop + 1 ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + goto Fail; + } + + dx = TT_MulFix14( args[0], exc->GS.freeVector.x ); + dy = TT_MulFix14( args[0], exc->GS.freeVector.y ); + + while ( exc->GS.loop > 0 ) + { + exc->args--; + + point = (FT_UShort)exc->stack[exc->args]; + + if ( BOUNDS( point, exc->zp2.n_points ) ) + { + if ( exc->pedantic_hinting ) + { + exc->error = FT_THROW( Invalid_Reference ); + return; + } + } + else +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY ) + { + /* If not using ignore_x_mode rendering, allow ZP2 move. */ + /* If inline deltas aren't allowed, skip ZP2 move. */ + /* If using ignore_x_mode rendering, allow ZP2 point move if: */ + /* - freedom vector is y and sph_compatibility_mode is off */ + /* - the glyph is composite and the move is in the Y direction */ + /* - the glyph is specifically set to allow SHPIX moves */ + /* - the move is on a previously Y-touched point */ + + if ( exc->ignore_x_mode ) + { + /* save point for later comparison */ + if ( exc->GS.freeVector.y != 0 ) + B1 = exc->zp2.cur[point].y; + else + B1 = exc->zp2.cur[point].x; + + if ( !exc->face->sph_compatibility_mode && + exc->GS.freeVector.y != 0 ) + { + Move_Zp2_Point( exc, point, dx, dy, TRUE ); + + /* save new point */ + if ( exc->GS.freeVector.y != 0 ) + { + B2 = exc->zp2.cur[point].y; + + /* reverse any disallowed moves */ + if ( ( exc->sph_tweak_flags & SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES ) && + ( B1 & 63 ) != 0 && + ( B2 & 63 ) != 0 && + B1 != B2 ) + Move_Zp2_Point( exc, + point, + NEG_LONG( dx ), + NEG_LONG( dy ), + TRUE ); + } + } + else if ( exc->face->sph_compatibility_mode ) + { + if ( exc->sph_tweak_flags & SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES ) + { + dx = FT_PIX_ROUND( B1 + dx ) - B1; + dy = FT_PIX_ROUND( B1 + dy ) - B1; + } + + /* skip post-iup deltas */ + if ( exc->iup_called && + ( ( exc->sph_in_func_flags & SPH_FDEF_INLINE_DELTA_1 ) || + ( exc->sph_in_func_flags & SPH_FDEF_INLINE_DELTA_2 ) ) ) + goto Skip; + + if ( !( exc->sph_tweak_flags & SPH_TWEAK_ALWAYS_SKIP_DELTAP ) && + ( ( exc->is_composite && exc->GS.freeVector.y != 0 ) || + ( exc->zp2.tags[point] & FT_CURVE_TAG_TOUCH_Y ) || + ( exc->sph_tweak_flags & SPH_TWEAK_DO_SHPIX ) ) ) + Move_Zp2_Point( exc, point, 0, dy, TRUE ); + + /* save new point */ + if ( exc->GS.freeVector.y != 0 ) + { + B2 = exc->zp2.cur[point].y; + + /* reverse any disallowed moves */ + if ( ( B1 & 63 ) == 0 && + ( B2 & 63 ) != 0 && + B1 != B2 ) + Move_Zp2_Point( exc, point, 0, NEG_LONG( dy ), TRUE ); + } + } + else if ( exc->sph_in_func_flags & SPH_FDEF_TYPEMAN_DIAGENDCTRL ) + Move_Zp2_Point( exc, point, dx, dy, TRUE ); + } + else + Move_Zp2_Point( exc, point, dx, dy, TRUE ); + } + else +#endif +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + if ( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility ) + { + /* Special case: allow SHPIX to move points in the twilight zone. */ + /* Otherwise, treat SHPIX the same as DELTAP. Unbreaks various */ + /* fonts such as older versions of Rokkitt and DTL Argo T Light */ + /* that would glitch severely after calling ALIGNRP after a */ + /* blocked SHPIX. */ + if ( in_twilight || + ( !( exc->iupx_called && exc->iupy_called ) && + ( ( exc->is_composite && exc->GS.freeVector.y != 0 ) || + ( exc->zp2.tags[point] & FT_CURVE_TAG_TOUCH_Y ) ) ) ) + Move_Zp2_Point( exc, point, 0, dy, TRUE ); + } + else +#endif + Move_Zp2_Point( exc, point, dx, dy, TRUE ); + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + Skip: +#endif + exc->GS.loop--; + } + + Fail: + exc->GS.loop = 1; + exc->new_top = exc->args; + } + + + /*************************************************************************/ + /* */ + /* MSIRP[a]: Move Stack Indirect Relative Position */ + /* Opcode range: 0x3A-0x3B */ + /* Stack: f26.6 uint32 --> */ + /* */ + static void + Ins_MSIRP( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort point = 0; + FT_F26Dot6 distance; +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + FT_F26Dot6 control_value_cutin = 0; + + + if ( SUBPIXEL_HINTING_INFINALITY ) + { + control_value_cutin = exc->GS.control_value_cutin; + + if ( exc->ignore_x_mode && + exc->GS.freeVector.x != 0 && + !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) ) + control_value_cutin = 0; + } +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + point = (FT_UShort)args[0]; + + if ( BOUNDS( point, exc->zp1.n_points ) || + BOUNDS( exc->GS.rp0, exc->zp0.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + /* UNDOCUMENTED! The MS rasterizer does that with */ + /* twilight points (confirmed by Greg Hitchcock) */ + if ( exc->GS.gep1 == 0 ) + { + exc->zp1.org[point] = exc->zp0.org[exc->GS.rp0]; + exc->func_move_orig( exc, &exc->zp1, point, args[1] ); + exc->zp1.cur[point] = exc->zp1.org[point]; + } + + distance = PROJECT( exc->zp1.cur + point, exc->zp0.cur + exc->GS.rp0 ); + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* subpixel hinting - make MSIRP respect CVT cut-in; */ + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->GS.freeVector.x != 0 && + FT_ABS( SUB_LONG( distance, args[1] ) ) >= control_value_cutin ) + distance = args[1]; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + exc->func_move( exc, + &exc->zp1, + point, + SUB_LONG( args[1], distance ) ); + + exc->GS.rp1 = exc->GS.rp0; + exc->GS.rp2 = point; + + if ( ( exc->opcode & 1 ) != 0 ) + exc->GS.rp0 = point; + } + + + /*************************************************************************/ + /* */ + /* MDAP[a]: Move Direct Absolute Point */ + /* Opcode range: 0x2E-0x2F */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_MDAP( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort point; + FT_F26Dot6 cur_dist; + FT_F26Dot6 distance; + + + point = (FT_UShort)args[0]; + + if ( BOUNDS( point, exc->zp0.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + if ( ( exc->opcode & 1 ) != 0 ) + { + cur_dist = FAST_PROJECT( &exc->zp0.cur[point] ); +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->GS.freeVector.x != 0 ) + distance = Round_None( + exc, + cur_dist, + exc->tt_metrics.compensations[0] ) - cur_dist; + else +#endif + distance = exc->func_round( + exc, + cur_dist, + exc->tt_metrics.compensations[0] ) - cur_dist; + } + else + distance = 0; + + exc->func_move( exc, &exc->zp0, point, distance ); + + exc->GS.rp0 = point; + exc->GS.rp1 = point; + } + + + /*************************************************************************/ + /* */ + /* MIAP[a]: Move Indirect Absolute Point */ + /* Opcode range: 0x3E-0x3F */ + /* Stack: uint32 uint32 --> */ + /* */ + static void + Ins_MIAP( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong cvtEntry; + FT_UShort point; + FT_F26Dot6 distance; + FT_F26Dot6 org_dist; + FT_F26Dot6 control_value_cutin; + + + control_value_cutin = exc->GS.control_value_cutin; + cvtEntry = (FT_ULong)args[1]; + point = (FT_UShort)args[0]; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->GS.freeVector.x != 0 && + exc->GS.freeVector.y == 0 && + !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) ) + control_value_cutin = 0; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + if ( BOUNDS( point, exc->zp0.n_points ) || + BOUNDSL( cvtEntry, exc->cvtSize ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + goto Fail; + } + + /* UNDOCUMENTED! */ + /* */ + /* The behaviour of an MIAP instruction is quite different when used */ + /* in the twilight zone. */ + /* */ + /* First, no control value cut-in test is performed as it would fail */ + /* anyway. Second, the original point, i.e. (org_x,org_y) of */ + /* zp0.point, is set to the absolute, unrounded distance found in the */ + /* CVT. */ + /* */ + /* This is used in the CVT programs of the Microsoft fonts Arial, */ + /* Times, etc., in order to re-adjust some key font heights. It */ + /* allows the use of the IP instruction in the twilight zone, which */ + /* otherwise would be invalid according to the specification. */ + /* */ + /* We implement it with a special sequence for the twilight zone. */ + /* This is a bad hack, but it seems to work. */ + /* */ + /* Confirmed by Greg Hitchcock. */ + + distance = exc->func_read_cvt( exc, cvtEntry ); + + if ( exc->GS.gep0 == 0 ) /* If in twilight zone */ + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* Only adjust if not in sph_compatibility_mode or ignore_x_mode. */ + /* Determined via experimentation and may be incorrect... */ + if ( !( SUBPIXEL_HINTING_INFINALITY && + ( exc->ignore_x_mode && + exc->face->sph_compatibility_mode ) ) ) +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + exc->zp0.org[point].x = TT_MulFix14( distance, + exc->GS.freeVector.x ); + exc->zp0.org[point].y = TT_MulFix14( distance, + exc->GS.freeVector.y ), + exc->zp0.cur[point] = exc->zp0.org[point]; + } +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + ( exc->sph_tweak_flags & SPH_TWEAK_MIAP_HACK ) && + distance > 0 && + exc->GS.freeVector.y != 0 ) + distance = 0; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + org_dist = FAST_PROJECT( &exc->zp0.cur[point] ); + + if ( ( exc->opcode & 1 ) != 0 ) /* rounding and control cut-in flag */ + { + if ( FT_ABS( distance - org_dist ) > control_value_cutin ) + distance = org_dist; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->GS.freeVector.x != 0 ) + distance = Round_None( exc, + distance, + exc->tt_metrics.compensations[0] ); + else +#endif + distance = exc->func_round( exc, + distance, + exc->tt_metrics.compensations[0] ); + } + + exc->func_move( exc, &exc->zp0, point, SUB_LONG( distance, org_dist ) ); + + Fail: + exc->GS.rp0 = point; + exc->GS.rp1 = point; + } + + + /*************************************************************************/ + /* */ + /* MDRP[abcde]: Move Direct Relative Point */ + /* Opcode range: 0xC0-0xDF */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_MDRP( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort point = 0; + FT_F26Dot6 org_dist, distance, minimum_distance; + + + minimum_distance = exc->GS.minimum_distance; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->GS.freeVector.x != 0 && + !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) ) + minimum_distance = 0; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + point = (FT_UShort)args[0]; + + if ( BOUNDS( point, exc->zp1.n_points ) || + BOUNDS( exc->GS.rp0, exc->zp0.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + goto Fail; + } + + /* XXX: Is there some undocumented feature while in the */ + /* twilight zone? */ + + /* XXX: UNDOCUMENTED: twilight zone special case */ + + if ( exc->GS.gep0 == 0 || exc->GS.gep1 == 0 ) + { + FT_Vector* vec1 = &exc->zp1.org[point]; + FT_Vector* vec2 = &exc->zp0.org[exc->GS.rp0]; + + + org_dist = DUALPROJ( vec1, vec2 ); + } + else + { + FT_Vector* vec1 = &exc->zp1.orus[point]; + FT_Vector* vec2 = &exc->zp0.orus[exc->GS.rp0]; + + + if ( exc->metrics.x_scale == exc->metrics.y_scale ) + { + /* this should be faster */ + org_dist = DUALPROJ( vec1, vec2 ); + org_dist = FT_MulFix( org_dist, exc->metrics.x_scale ); + } + else + { + FT_Vector vec; + + + vec.x = FT_MulFix( SUB_LONG( vec1->x, vec2->x ), + exc->metrics.x_scale ); + vec.y = FT_MulFix( SUB_LONG( vec1->y, vec2->y ), + exc->metrics.y_scale ); + + org_dist = FAST_DUALPROJ( &vec ); + } + } + + /* single width cut-in test */ + + /* |org_dist - single_width_value| < single_width_cutin */ + if ( exc->GS.single_width_cutin > 0 && + org_dist < exc->GS.single_width_value + + exc->GS.single_width_cutin && + org_dist > exc->GS.single_width_value - + exc->GS.single_width_cutin ) + { + if ( org_dist >= 0 ) + org_dist = exc->GS.single_width_value; + else + org_dist = -exc->GS.single_width_value; + } + + /* round flag */ + + if ( ( exc->opcode & 4 ) != 0 ) + { +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->GS.freeVector.x != 0 ) + distance = Round_None( + exc, + org_dist, + exc->tt_metrics.compensations[exc->opcode & 3] ); + else +#endif + distance = exc->func_round( + exc, + org_dist, + exc->tt_metrics.compensations[exc->opcode & 3] ); + } + else + distance = Round_None( + exc, + org_dist, + exc->tt_metrics.compensations[exc->opcode & 3] ); + + /* minimum distance flag */ + + if ( ( exc->opcode & 8 ) != 0 ) + { + if ( org_dist >= 0 ) + { + if ( distance < minimum_distance ) + distance = minimum_distance; + } + else + { + if ( distance > NEG_LONG( minimum_distance ) ) + distance = NEG_LONG( minimum_distance ); + } + } + + /* now move the point */ + + org_dist = PROJECT( exc->zp1.cur + point, exc->zp0.cur + exc->GS.rp0 ); + + exc->func_move( exc, &exc->zp1, point, SUB_LONG( distance, org_dist ) ); + + Fail: + exc->GS.rp1 = exc->GS.rp0; + exc->GS.rp2 = point; + + if ( ( exc->opcode & 16 ) != 0 ) + exc->GS.rp0 = point; + } + + + /*************************************************************************/ + /* */ + /* MIRP[abcde]: Move Indirect Relative Point */ + /* Opcode range: 0xE0-0xFF */ + /* Stack: int32? uint32 --> */ + /* */ + static void + Ins_MIRP( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort point; + FT_ULong cvtEntry; + + FT_F26Dot6 cvt_dist, + distance, + cur_dist, + org_dist, + control_value_cutin, + minimum_distance; +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + FT_Int B1 = 0; /* pacify compiler */ + FT_Int B2 = 0; + FT_Bool reverse_move = FALSE; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + + minimum_distance = exc->GS.minimum_distance; + control_value_cutin = exc->GS.control_value_cutin; + point = (FT_UShort)args[0]; + cvtEntry = (FT_ULong)( args[1] + 1 ); + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->GS.freeVector.x != 0 && + !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) ) + control_value_cutin = minimum_distance = 0; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + /* XXX: UNDOCUMENTED! cvt[-1] = 0 always */ + + if ( BOUNDS( point, exc->zp1.n_points ) || + BOUNDSL( cvtEntry, exc->cvtSize + 1 ) || + BOUNDS( exc->GS.rp0, exc->zp0.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + goto Fail; + } + + if ( !cvtEntry ) + cvt_dist = 0; + else + cvt_dist = exc->func_read_cvt( exc, cvtEntry - 1 ); + + /* single width test */ + + if ( FT_ABS( cvt_dist - exc->GS.single_width_value ) < + exc->GS.single_width_cutin ) + { + if ( cvt_dist >= 0 ) + cvt_dist = exc->GS.single_width_value; + else + cvt_dist = -exc->GS.single_width_value; + } + + /* UNDOCUMENTED! The MS rasterizer does that with */ + /* twilight points (confirmed by Greg Hitchcock) */ + if ( exc->GS.gep1 == 0 ) + { + exc->zp1.org[point].x = exc->zp0.org[exc->GS.rp0].x + + TT_MulFix14( cvt_dist, + exc->GS.freeVector.x ); + exc->zp1.org[point].y = exc->zp0.org[exc->GS.rp0].y + + TT_MulFix14( cvt_dist, + exc->GS.freeVector.y ); + exc->zp1.cur[point] = exc->zp1.org[point]; + } + + org_dist = DUALPROJ( &exc->zp1.org[point], &exc->zp0.org[exc->GS.rp0] ); + cur_dist = PROJECT ( &exc->zp1.cur[point], &exc->zp0.cur[exc->GS.rp0] ); + + /* auto-flip test */ + + if ( exc->GS.auto_flip ) + { + if ( ( org_dist ^ cvt_dist ) < 0 ) + cvt_dist = -cvt_dist; + } + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->GS.freeVector.y != 0 && + ( exc->sph_tweak_flags & SPH_TWEAK_TIMES_NEW_ROMAN_HACK ) ) + { + if ( cur_dist < -64 ) + cvt_dist -= 16; + else if ( cur_dist > 64 && cur_dist < 84 ) + cvt_dist += 32; + } +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + /* control value cut-in and round */ + + if ( ( exc->opcode & 4 ) != 0 ) + { + /* XXX: UNDOCUMENTED! Only perform cut-in test when both points */ + /* refer to the same zone. */ + + if ( exc->GS.gep0 == exc->GS.gep1 ) + { + /* XXX: According to Greg Hitchcock, the following wording is */ + /* the right one: */ + /* */ + /* When the absolute difference between the value in */ + /* the table [CVT] and the measurement directly from */ + /* the outline is _greater_ than the cut_in value, the */ + /* outline measurement is used. */ + /* */ + /* This is from `instgly.doc'. The description in */ + /* `ttinst2.doc', version 1.66, is thus incorrect since */ + /* it implies `>=' instead of `>'. */ + + if ( FT_ABS( cvt_dist - org_dist ) > control_value_cutin ) + cvt_dist = org_dist; + } + + distance = exc->func_round( + exc, + cvt_dist, + exc->tt_metrics.compensations[exc->opcode & 3] ); + } + else + { + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /* do cvt cut-in always in MIRP for sph */ + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->GS.gep0 == exc->GS.gep1 ) + { + if ( FT_ABS( cvt_dist - org_dist ) > control_value_cutin ) + cvt_dist = org_dist; + } +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + distance = Round_None( + exc, + cvt_dist, + exc->tt_metrics.compensations[exc->opcode & 3] ); + } + + /* minimum distance test */ + + if ( ( exc->opcode & 8 ) != 0 ) + { + if ( org_dist >= 0 ) + { + if ( distance < minimum_distance ) + distance = minimum_distance; + } + else + { + if ( distance > NEG_LONG( minimum_distance ) ) + distance = NEG_LONG( minimum_distance ); + } + } + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY ) + { + B1 = exc->zp1.cur[point].y; + + /* Round moves if necessary */ + if ( exc->ignore_x_mode && + exc->GS.freeVector.y != 0 && + ( exc->sph_tweak_flags & SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES ) ) + distance = FT_PIX_ROUND( B1 + distance - cur_dist ) - B1 + cur_dist; + + if ( exc->ignore_x_mode && + exc->GS.freeVector.y != 0 && + ( exc->opcode & 16 ) == 0 && + ( exc->opcode & 8 ) == 0 && + ( exc->sph_tweak_flags & SPH_TWEAK_COURIER_NEW_2_HACK ) ) + distance += 64; + } +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + exc->func_move( exc, + &exc->zp1, + point, + SUB_LONG( distance, cur_dist ) ); + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY ) + { + B2 = exc->zp1.cur[point].y; + + /* Reverse move if necessary */ + if ( exc->ignore_x_mode ) + { + if ( exc->face->sph_compatibility_mode && + exc->GS.freeVector.y != 0 && + ( B1 & 63 ) == 0 && + ( B2 & 63 ) != 0 ) + reverse_move = TRUE; + + if ( ( exc->sph_tweak_flags & SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES ) && + exc->GS.freeVector.y != 0 && + ( B2 & 63 ) != 0 && + ( B1 & 63 ) != 0 ) + reverse_move = TRUE; + } + + if ( reverse_move ) + exc->func_move( exc, + &exc->zp1, + point, + SUB_LONG( cur_dist, distance ) ); + } + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + Fail: + exc->GS.rp1 = exc->GS.rp0; + + if ( ( exc->opcode & 16 ) != 0 ) + exc->GS.rp0 = point; + + exc->GS.rp2 = point; + } + + + /*************************************************************************/ + /* */ + /* ALIGNRP[]: ALIGN Relative Point */ + /* Opcode range: 0x3C */ + /* Stack: uint32 uint32... --> */ + /* */ + static void + Ins_ALIGNRP( TT_ExecContext exc ) + { + FT_UShort point; + FT_F26Dot6 distance; + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->iup_called && + ( exc->sph_tweak_flags & SPH_TWEAK_NO_ALIGNRP_AFTER_IUP ) ) + { + exc->error = FT_THROW( Invalid_Reference ); + goto Fail; + } +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + if ( exc->top < exc->GS.loop || + BOUNDS( exc->GS.rp0, exc->zp0.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + goto Fail; + } + + while ( exc->GS.loop > 0 ) + { + exc->args--; + + point = (FT_UShort)exc->stack[exc->args]; + + if ( BOUNDS( point, exc->zp1.n_points ) ) + { + if ( exc->pedantic_hinting ) + { + exc->error = FT_THROW( Invalid_Reference ); + return; + } + } + else + { + distance = PROJECT( exc->zp1.cur + point, + exc->zp0.cur + exc->GS.rp0 ); + + exc->func_move( exc, &exc->zp1, point, NEG_LONG( distance ) ); + } + + exc->GS.loop--; + } + + Fail: + exc->GS.loop = 1; + exc->new_top = exc->args; + } + + + /*************************************************************************/ + /* */ + /* ISECT[]: moves point to InterSECTion */ + /* Opcode range: 0x0F */ + /* Stack: 5 * uint32 --> */ + /* */ + static void + Ins_ISECT( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort point, + a0, a1, + b0, b1; + + FT_F26Dot6 discriminant, dotproduct; + + FT_F26Dot6 dx, dy, + dax, day, + dbx, dby; + + FT_F26Dot6 val; + + FT_Vector R; + + + point = (FT_UShort)args[0]; + + a0 = (FT_UShort)args[1]; + a1 = (FT_UShort)args[2]; + b0 = (FT_UShort)args[3]; + b1 = (FT_UShort)args[4]; + + if ( BOUNDS( b0, exc->zp0.n_points ) || + BOUNDS( b1, exc->zp0.n_points ) || + BOUNDS( a0, exc->zp1.n_points ) || + BOUNDS( a1, exc->zp1.n_points ) || + BOUNDS( point, exc->zp2.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + /* Cramer's rule */ + + dbx = SUB_LONG( exc->zp0.cur[b1].x, exc->zp0.cur[b0].x ); + dby = SUB_LONG( exc->zp0.cur[b1].y, exc->zp0.cur[b0].y ); + + dax = SUB_LONG( exc->zp1.cur[a1].x, exc->zp1.cur[a0].x ); + day = SUB_LONG( exc->zp1.cur[a1].y, exc->zp1.cur[a0].y ); + + dx = SUB_LONG( exc->zp0.cur[b0].x, exc->zp1.cur[a0].x ); + dy = SUB_LONG( exc->zp0.cur[b0].y, exc->zp1.cur[a0].y ); + + discriminant = ADD_LONG( FT_MulDiv( dax, NEG_LONG( dby ), 0x40 ), + FT_MulDiv( day, dbx, 0x40 ) ); + dotproduct = ADD_LONG( FT_MulDiv( dax, dbx, 0x40 ), + FT_MulDiv( day, dby, 0x40 ) ); + + /* The discriminant above is actually a cross product of vectors */ + /* da and db. Together with the dot product, they can be used as */ + /* surrogates for sine and cosine of the angle between the vectors. */ + /* Indeed, */ + /* dotproduct = |da||db|cos(angle) */ + /* discriminant = |da||db|sin(angle) . */ + /* We use these equations to reject grazing intersections by */ + /* thresholding abs(tan(angle)) at 1/19, corresponding to 3 degrees. */ + if ( MUL_LONG( 19, FT_ABS( discriminant ) ) > FT_ABS( dotproduct ) ) + { + val = ADD_LONG( FT_MulDiv( dx, NEG_LONG( dby ), 0x40 ), + FT_MulDiv( dy, dbx, 0x40 ) ); + + R.x = FT_MulDiv( val, dax, discriminant ); + R.y = FT_MulDiv( val, day, discriminant ); + + /* XXX: Block in backward_compatibility and/or post-IUP? */ + exc->zp2.cur[point].x = ADD_LONG( exc->zp1.cur[a0].x, R.x ); + exc->zp2.cur[point].y = ADD_LONG( exc->zp1.cur[a0].y, R.y ); + } + else + { + /* else, take the middle of the middles of A and B */ + + /* XXX: Block in backward_compatibility and/or post-IUP? */ + exc->zp2.cur[point].x = + ADD_LONG( ADD_LONG( exc->zp1.cur[a0].x, exc->zp1.cur[a1].x ), + ADD_LONG( exc->zp0.cur[b0].x, exc->zp0.cur[b1].x ) ) / 4; + exc->zp2.cur[point].y = + ADD_LONG( ADD_LONG( exc->zp1.cur[a0].y, exc->zp1.cur[a1].y ), + ADD_LONG( exc->zp0.cur[b0].y, exc->zp0.cur[b1].y ) ) / 4; + } + + exc->zp2.tags[point] |= FT_CURVE_TAG_TOUCH_BOTH; + } + + + /*************************************************************************/ + /* */ + /* ALIGNPTS[]: ALIGN PoinTS */ + /* Opcode range: 0x27 */ + /* Stack: uint32 uint32 --> */ + /* */ + static void + Ins_ALIGNPTS( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort p1, p2; + FT_F26Dot6 distance; + + + p1 = (FT_UShort)args[0]; + p2 = (FT_UShort)args[1]; + + if ( BOUNDS( p1, exc->zp1.n_points ) || + BOUNDS( p2, exc->zp0.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + distance = PROJECT( exc->zp0.cur + p2, exc->zp1.cur + p1 ) / 2; + + exc->func_move( exc, &exc->zp1, p1, distance ); + exc->func_move( exc, &exc->zp0, p2, NEG_LONG( distance ) ); + } + + + /*************************************************************************/ + /* */ + /* IP[]: Interpolate Point */ + /* Opcode range: 0x39 */ + /* Stack: uint32... --> */ + /* */ + + /* SOMETIMES, DUMBER CODE IS BETTER CODE */ + + static void + Ins_IP( TT_ExecContext exc ) + { + FT_F26Dot6 old_range, cur_range; + FT_Vector* orus_base; + FT_Vector* cur_base; + FT_Int twilight; + + + if ( exc->top < exc->GS.loop ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + goto Fail; + } + + /* + * We need to deal in a special way with the twilight zone. + * Otherwise, by definition, the value of exc->twilight.orus[n] is (0,0), + * for every n. + */ + twilight = ( exc->GS.gep0 == 0 || + exc->GS.gep1 == 0 || + exc->GS.gep2 == 0 ); + + if ( BOUNDS( exc->GS.rp1, exc->zp0.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + goto Fail; + } + + if ( twilight ) + orus_base = &exc->zp0.org[exc->GS.rp1]; + else + orus_base = &exc->zp0.orus[exc->GS.rp1]; + + cur_base = &exc->zp0.cur[exc->GS.rp1]; + + /* XXX: There are some glyphs in some braindead but popular */ + /* fonts out there (e.g. [aeu]grave in monotype.ttf) */ + /* calling IP[] with bad values of rp[12]. */ + /* Do something sane when this odd thing happens. */ + if ( BOUNDS( exc->GS.rp1, exc->zp0.n_points ) || + BOUNDS( exc->GS.rp2, exc->zp1.n_points ) ) + { + old_range = 0; + cur_range = 0; + } + else + { + if ( twilight ) + old_range = DUALPROJ( &exc->zp1.org[exc->GS.rp2], orus_base ); + else if ( exc->metrics.x_scale == exc->metrics.y_scale ) + old_range = DUALPROJ( &exc->zp1.orus[exc->GS.rp2], orus_base ); + else + { + FT_Vector vec; + + + vec.x = FT_MulFix( SUB_LONG( exc->zp1.orus[exc->GS.rp2].x, + orus_base->x ), + exc->metrics.x_scale ); + vec.y = FT_MulFix( SUB_LONG( exc->zp1.orus[exc->GS.rp2].y, + orus_base->y ), + exc->metrics.y_scale ); + + old_range = FAST_DUALPROJ( &vec ); + } + + cur_range = PROJECT( &exc->zp1.cur[exc->GS.rp2], cur_base ); + } + + for ( ; exc->GS.loop > 0; exc->GS.loop-- ) + { + FT_UInt point = (FT_UInt)exc->stack[--exc->args]; + FT_F26Dot6 org_dist, cur_dist, new_dist; + + + /* check point bounds */ + if ( BOUNDS( point, exc->zp2.n_points ) ) + { + if ( exc->pedantic_hinting ) + { + exc->error = FT_THROW( Invalid_Reference ); + return; + } + continue; + } + + if ( twilight ) + org_dist = DUALPROJ( &exc->zp2.org[point], orus_base ); + else if ( exc->metrics.x_scale == exc->metrics.y_scale ) + org_dist = DUALPROJ( &exc->zp2.orus[point], orus_base ); + else + { + FT_Vector vec; + + + vec.x = FT_MulFix( SUB_LONG( exc->zp2.orus[point].x, + orus_base->x ), + exc->metrics.x_scale ); + vec.y = FT_MulFix( SUB_LONG( exc->zp2.orus[point].y, + orus_base->y ), + exc->metrics.y_scale ); + + org_dist = FAST_DUALPROJ( &vec ); + } + + cur_dist = PROJECT( &exc->zp2.cur[point], cur_base ); + + if ( org_dist ) + { + if ( old_range ) + new_dist = FT_MulDiv( org_dist, cur_range, old_range ); + else + { + /* This is the same as what MS does for the invalid case: */ + /* */ + /* delta = (Original_Pt - Original_RP1) - */ + /* (Current_Pt - Current_RP1) ; */ + /* */ + /* In FreeType speak: */ + /* */ + /* delta = org_dist - cur_dist . */ + /* */ + /* We move `point' by `new_dist - cur_dist' after leaving */ + /* this block, thus we have */ + /* */ + /* new_dist - cur_dist = delta , */ + /* new_dist - cur_dist = org_dist - cur_dist , */ + /* new_dist = org_dist . */ + + new_dist = org_dist; + } + } + else + new_dist = 0; + + exc->func_move( exc, + &exc->zp2, + (FT_UShort)point, + SUB_LONG( new_dist, cur_dist ) ); + } + + Fail: + exc->GS.loop = 1; + exc->new_top = exc->args; + } + + + /*************************************************************************/ + /* */ + /* UTP[a]: UnTouch Point */ + /* Opcode range: 0x29 */ + /* Stack: uint32 --> */ + /* */ + static void + Ins_UTP( TT_ExecContext exc, + FT_Long* args ) + { + FT_UShort point; + FT_Byte mask; + + + point = (FT_UShort)args[0]; + + if ( BOUNDS( point, exc->zp0.n_points ) ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + return; + } + + mask = 0xFF; + + if ( exc->GS.freeVector.x != 0 ) + mask &= ~FT_CURVE_TAG_TOUCH_X; + + if ( exc->GS.freeVector.y != 0 ) + mask &= ~FT_CURVE_TAG_TOUCH_Y; + + exc->zp0.tags[point] &= mask; + } + + + /* Local variables for Ins_IUP: */ + typedef struct IUP_WorkerRec_ + { + FT_Vector* orgs; /* original and current coordinate */ + FT_Vector* curs; /* arrays */ + FT_Vector* orus; + FT_UInt max_points; + + } IUP_WorkerRec, *IUP_Worker; + + + static void + _iup_worker_shift( IUP_Worker worker, + FT_UInt p1, + FT_UInt p2, + FT_UInt p ) + { + FT_UInt i; + FT_F26Dot6 dx; + + + dx = SUB_LONG( worker->curs[p].x, worker->orgs[p].x ); + if ( dx != 0 ) + { + for ( i = p1; i < p; i++ ) + worker->curs[i].x = ADD_LONG( worker->curs[i].x, dx ); + + for ( i = p + 1; i <= p2; i++ ) + worker->curs[i].x = ADD_LONG( worker->curs[i].x, dx ); + } + } + + + static void + _iup_worker_interpolate( IUP_Worker worker, + FT_UInt p1, + FT_UInt p2, + FT_UInt ref1, + FT_UInt ref2 ) + { + FT_UInt i; + FT_F26Dot6 orus1, orus2, org1, org2, cur1, cur2, delta1, delta2; + + + if ( p1 > p2 ) + return; + + if ( BOUNDS( ref1, worker->max_points ) || + BOUNDS( ref2, worker->max_points ) ) + return; + + orus1 = worker->orus[ref1].x; + orus2 = worker->orus[ref2].x; + + if ( orus1 > orus2 ) + { + FT_F26Dot6 tmp_o; + FT_UInt tmp_r; + + + tmp_o = orus1; + orus1 = orus2; + orus2 = tmp_o; + + tmp_r = ref1; + ref1 = ref2; + ref2 = tmp_r; + } + + org1 = worker->orgs[ref1].x; + org2 = worker->orgs[ref2].x; + cur1 = worker->curs[ref1].x; + cur2 = worker->curs[ref2].x; + delta1 = SUB_LONG( cur1, org1 ); + delta2 = SUB_LONG( cur2, org2 ); + + if ( cur1 == cur2 || orus1 == orus2 ) + { + + /* trivial snap or shift of untouched points */ + for ( i = p1; i <= p2; i++ ) + { + FT_F26Dot6 x = worker->orgs[i].x; + + + if ( x <= org1 ) + x = ADD_LONG( x, delta1 ); + + else if ( x >= org2 ) + x = ADD_LONG( x, delta2 ); + + else + x = cur1; + + worker->curs[i].x = x; + } + } + else + { + FT_Fixed scale = 0; + FT_Bool scale_valid = 0; + + + /* interpolation */ + for ( i = p1; i <= p2; i++ ) + { + FT_F26Dot6 x = worker->orgs[i].x; + + + if ( x <= org1 ) + x = ADD_LONG( x, delta1 ); + + else if ( x >= org2 ) + x = ADD_LONG( x, delta2 ); + + else + { + if ( !scale_valid ) + { + scale_valid = 1; + scale = FT_DivFix( SUB_LONG( cur2, cur1 ), + SUB_LONG( orus2, orus1 ) ); + } + + x = ADD_LONG( cur1, + FT_MulFix( SUB_LONG( worker->orus[i].x, orus1 ), + scale ) ); + } + worker->curs[i].x = x; + } + } + } + + + /*************************************************************************/ + /* */ + /* IUP[a]: Interpolate Untouched Points */ + /* Opcode range: 0x30-0x31 */ + /* Stack: --> */ + /* */ + static void + Ins_IUP( TT_ExecContext exc ) + { + IUP_WorkerRec V; + FT_Byte mask; + + FT_UInt first_point; /* first point of contour */ + FT_UInt end_point; /* end point (last+1) of contour */ + + FT_UInt first_touched; /* first touched point in contour */ + FT_UInt cur_touched; /* current touched point in contour */ + + FT_UInt point; /* current point */ + FT_Short contour; /* current contour */ + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* See `ttinterp.h' for details on backward compatibility mode. */ + /* Allow IUP until it has been called on both axes. Immediately */ + /* return on subsequent ones. */ + if ( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility ) + { + if ( exc->iupx_called && exc->iupy_called ) + return; + + if ( exc->opcode & 1 ) + exc->iupx_called = TRUE; + else + exc->iupy_called = TRUE; + } +#endif + + /* ignore empty outlines */ + if ( exc->pts.n_contours == 0 ) + return; + + if ( exc->opcode & 1 ) + { + mask = FT_CURVE_TAG_TOUCH_X; + V.orgs = exc->pts.org; + V.curs = exc->pts.cur; + V.orus = exc->pts.orus; + } + else + { + mask = FT_CURVE_TAG_TOUCH_Y; + V.orgs = (FT_Vector*)( (FT_Pos*)exc->pts.org + 1 ); + V.curs = (FT_Vector*)( (FT_Pos*)exc->pts.cur + 1 ); + V.orus = (FT_Vector*)( (FT_Pos*)exc->pts.orus + 1 ); + } + V.max_points = exc->pts.n_points; + + contour = 0; + point = 0; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode ) + { + exc->iup_called = TRUE; + if ( exc->sph_tweak_flags & SPH_TWEAK_SKIP_IUP ) + return; + } +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + do + { + end_point = exc->pts.contours[contour] - exc->pts.first_point; + first_point = point; + + if ( BOUNDS( end_point, exc->pts.n_points ) ) + end_point = exc->pts.n_points - 1; + + while ( point <= end_point && ( exc->pts.tags[point] & mask ) == 0 ) + point++; + + if ( point <= end_point ) + { + first_touched = point; + cur_touched = point; + + point++; + + while ( point <= end_point ) + { + if ( ( exc->pts.tags[point] & mask ) != 0 ) + { + _iup_worker_interpolate( &V, + cur_touched + 1, + point - 1, + cur_touched, + point ); + cur_touched = point; + } + + point++; + } + + if ( cur_touched == first_touched ) + _iup_worker_shift( &V, first_point, end_point, cur_touched ); + else + { + _iup_worker_interpolate( &V, + (FT_UShort)( cur_touched + 1 ), + end_point, + cur_touched, + first_touched ); + + if ( first_touched > 0 ) + _iup_worker_interpolate( &V, + first_point, + first_touched - 1, + cur_touched, + first_touched ); + } + } + contour++; + } while ( contour < exc->pts.n_contours ); + } + + + /*************************************************************************/ + /* */ + /* DELTAPn[]: DELTA exceptions P1, P2, P3 */ + /* Opcode range: 0x5D,0x71,0x72 */ + /* Stack: uint32 (2 * uint32)... --> */ + /* */ + static void + Ins_DELTAP( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong nump, k; + FT_UShort A; + FT_ULong C, P; + FT_Long B; +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + FT_UShort B1, B2; + + + if ( SUBPIXEL_HINTING_INFINALITY && + exc->ignore_x_mode && + exc->iup_called && + ( exc->sph_tweak_flags & SPH_TWEAK_NO_DELTAP_AFTER_IUP ) ) + goto Fail; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + P = (FT_ULong)exc->func_cur_ppem( exc ); + nump = (FT_ULong)args[0]; /* some points theoretically may occur more + than once, thus UShort isn't enough */ + + for ( k = 1; k <= nump; k++ ) + { + if ( exc->args < 2 ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Too_Few_Arguments ); + exc->args = 0; + goto Fail; + } + + exc->args -= 2; + + A = (FT_UShort)exc->stack[exc->args + 1]; + B = exc->stack[exc->args]; + + /* XXX: Because some popular fonts contain some invalid DeltaP */ + /* instructions, we simply ignore them when the stacked */ + /* point reference is off limit, rather than returning an */ + /* error. As a delta instruction doesn't change a glyph */ + /* in great ways, this shouldn't be a problem. */ + + if ( !BOUNDS( A, exc->zp0.n_points ) ) + { + C = ( (FT_ULong)B & 0xF0 ) >> 4; + + switch ( exc->opcode ) + { + case 0x5D: + break; + + case 0x71: + C += 16; + break; + + case 0x72: + C += 32; + break; + } + + C += exc->GS.delta_base; + + if ( P == C ) + { + B = ( (FT_ULong)B & 0xF ) - 8; + if ( B >= 0 ) + B++; + B *= 1L << ( 6 - exc->GS.delta_shift ); + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + if ( SUBPIXEL_HINTING_INFINALITY ) + { + /* + * Allow delta move if + * + * - not using ignore_x_mode rendering, + * - glyph is specifically set to allow it, or + * - glyph is composite and freedom vector is not in subpixel + * direction. + */ + if ( !exc->ignore_x_mode || + ( exc->sph_tweak_flags & SPH_TWEAK_ALWAYS_DO_DELTAP ) || + ( exc->is_composite && exc->GS.freeVector.y != 0 ) ) + exc->func_move( exc, &exc->zp0, A, B ); + + /* Otherwise, apply subpixel hinting and compatibility mode */ + /* rules, always skipping deltas in subpixel direction. */ + else if ( exc->ignore_x_mode && exc->GS.freeVector.y != 0 ) + { + /* save the y value of the point now; compare after move */ + B1 = (FT_UShort)exc->zp0.cur[A].y; + + /* Standard subpixel hinting: Allow y move for y-touched */ + /* points. This messes up DejaVu ... */ + if ( !exc->face->sph_compatibility_mode && + ( exc->zp0.tags[A] & FT_CURVE_TAG_TOUCH_Y ) ) + exc->func_move( exc, &exc->zp0, A, B ); + + /* compatibility mode */ + else if ( exc->face->sph_compatibility_mode && + !( exc->sph_tweak_flags & SPH_TWEAK_ALWAYS_SKIP_DELTAP ) ) + { + if ( exc->sph_tweak_flags & SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES ) + B = FT_PIX_ROUND( B1 + B ) - B1; + + /* Allow delta move if using sph_compatibility_mode, */ + /* IUP has not been called, and point is touched on Y. */ + if ( !exc->iup_called && + ( exc->zp0.tags[A] & FT_CURVE_TAG_TOUCH_Y ) ) + exc->func_move( exc, &exc->zp0, A, B ); + } + + B2 = (FT_UShort)exc->zp0.cur[A].y; + + /* Reverse this move if it results in a disallowed move */ + if ( exc->GS.freeVector.y != 0 && + ( ( exc->face->sph_compatibility_mode && + ( B1 & 63 ) == 0 && + ( B2 & 63 ) != 0 ) || + ( ( exc->sph_tweak_flags & + SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES_DELTAP ) && + ( B1 & 63 ) != 0 && + ( B2 & 63 ) != 0 ) ) ) + exc->func_move( exc, &exc->zp0, A, NEG_LONG( B ) ); + } + } + else +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + { + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* See `ttinterp.h' for details on backward compatibility */ + /* mode. */ + if ( SUBPIXEL_HINTING_MINIMAL && + exc->backward_compatibility ) + { + if ( !( exc->iupx_called && exc->iupy_called ) && + ( ( exc->is_composite && exc->GS.freeVector.y != 0 ) || + ( exc->zp0.tags[A] & FT_CURVE_TAG_TOUCH_Y ) ) ) + exc->func_move( exc, &exc->zp0, A, B ); + } + else +#endif + exc->func_move( exc, &exc->zp0, A, B ); + } + } + } + else + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Invalid_Reference ); + } + + Fail: + exc->new_top = exc->args; + } + + + /*************************************************************************/ + /* */ + /* DELTACn[]: DELTA exceptions C1, C2, C3 */ + /* Opcode range: 0x73,0x74,0x75 */ + /* Stack: uint32 (2 * uint32)... --> */ + /* */ + static void + Ins_DELTAC( TT_ExecContext exc, + FT_Long* args ) + { + FT_ULong nump, k; + FT_ULong A, C, P; + FT_Long B; + + + P = (FT_ULong)exc->func_cur_ppem( exc ); + nump = (FT_ULong)args[0]; + + for ( k = 1; k <= nump; k++ ) + { + if ( exc->args < 2 ) + { + if ( exc->pedantic_hinting ) + exc->error = FT_THROW( Too_Few_Arguments ); + exc->args = 0; + goto Fail; + } + + exc->args -= 2; + + A = (FT_ULong)exc->stack[exc->args + 1]; + B = exc->stack[exc->args]; + + if ( BOUNDSL( A, exc->cvtSize ) ) + { + if ( exc->pedantic_hinting ) + { + exc->error = FT_THROW( Invalid_Reference ); + return; + } + } + else + { + C = ( (FT_ULong)B & 0xF0 ) >> 4; + + switch ( exc->opcode ) + { + case 0x73: + break; + + case 0x74: + C += 16; + break; + + case 0x75: + C += 32; + break; + } + + C += exc->GS.delta_base; + + if ( P == C ) + { + B = ( (FT_ULong)B & 0xF ) - 8; + if ( B >= 0 ) + B++; + B *= 1L << ( 6 - exc->GS.delta_shift ); + + exc->func_move_cvt( exc, A, B ); + } + } + } + + Fail: + exc->new_top = exc->args; + } + + + /*************************************************************************/ + /* */ + /* MISC. INSTRUCTIONS */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* GETINFO[]: GET INFOrmation */ + /* Opcode range: 0x88 */ + /* Stack: uint32 --> uint32 */ + /* */ + /* XXX: UNDOCUMENTED: Selector bits higher than 9 are currently (May */ + /* 2015) not documented in the OpenType specification. */ + /* */ + /* Selector bit 11 is incorrectly described as bit 8, while the */ + /* real meaning of bit 8 (vertical LCD subpixels) stays */ + /* undocumented. The same mistake can be found in Greg Hitchcock's */ + /* whitepaper. */ + /* */ + static void + Ins_GETINFO( TT_ExecContext exc, + FT_Long* args ) + { + FT_Long K; + TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( exc->face ); + + + K = 0; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + /********************************/ + /* RASTERIZER VERSION */ + /* Selector Bit: 0 */ + /* Return Bit(s): 0-7 */ + /* */ + if ( SUBPIXEL_HINTING_INFINALITY && + ( args[0] & 1 ) != 0 && + exc->subpixel_hinting ) + { + if ( exc->ignore_x_mode ) + { + /* if in ClearType backward compatibility mode, */ + /* we sometimes change the TrueType version dynamically */ + K = exc->rasterizer_version; + FT_TRACE6(( "Setting rasterizer version %d\n", + exc->rasterizer_version )); + } + else + K = TT_INTERPRETER_VERSION_38; + } + else +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + if ( ( args[0] & 1 ) != 0 ) + K = driver->interpreter_version; + + /********************************/ + /* GLYPH ROTATED */ + /* Selector Bit: 1 */ + /* Return Bit(s): 8 */ + /* */ + if ( ( args[0] & 2 ) != 0 && exc->tt_metrics.rotated ) + K |= 1 << 8; + + /********************************/ + /* GLYPH STRETCHED */ + /* Selector Bit: 2 */ + /* Return Bit(s): 9 */ + /* */ + if ( ( args[0] & 4 ) != 0 && exc->tt_metrics.stretched ) + K |= 1 << 9; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /********************************/ + /* VARIATION GLYPH */ + /* Selector Bit: 3 */ + /* Return Bit(s): 10 */ + /* */ + /* XXX: UNDOCUMENTED! */ + if ( (args[0] & 8 ) != 0 && exc->face->blend ) + K |= 1 << 10; +#endif + + /********************************/ + /* BI-LEVEL HINTING AND */ + /* GRAYSCALE RENDERING */ + /* Selector Bit: 5 */ + /* Return Bit(s): 12 */ + /* */ + if ( ( args[0] & 32 ) != 0 && exc->grayscale ) + K |= 1 << 12; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* Toggle the following flags only outside of monochrome mode. */ + /* Otherwise, instructions may behave weirdly and rendering results */ + /* may differ between v35 and v40 mode, e.g., in `Times New Roman */ + /* Bold Italic'. */ + if ( SUBPIXEL_HINTING_MINIMAL && exc->subpixel_hinting_lean ) + { + /********************************/ + /* HINTING FOR SUBPIXEL */ + /* Selector Bit: 6 */ + /* Return Bit(s): 13 */ + /* */ + /* v40 does subpixel hinting by default. */ + if ( ( args[0] & 64 ) != 0 ) + K |= 1 << 13; + + /********************************/ + /* VERTICAL LCD SUBPIXELS? */ + /* Selector Bit: 8 */ + /* Return Bit(s): 15 */ + /* */ + if ( ( args[0] & 256 ) != 0 && exc->vertical_lcd_lean ) + K |= 1 << 15; + + /********************************/ + /* SUBPIXEL POSITIONED? */ + /* Selector Bit: 10 */ + /* Return Bit(s): 17 */ + /* */ + /* XXX: FreeType supports it, dependent on what client does? */ + if ( ( args[0] & 1024 ) != 0 ) + K |= 1 << 17; + + /********************************/ + /* SYMMETRICAL SMOOTHING */ + /* Selector Bit: 11 */ + /* Return Bit(s): 18 */ + /* */ + /* The only smoothing method FreeType supports unless someone sets */ + /* FT_LOAD_TARGET_MONO. */ + if ( ( args[0] & 2048 ) != 0 && exc->subpixel_hinting_lean ) + K |= 1 << 18; + + /********************************/ + /* CLEARTYPE HINTING AND */ + /* GRAYSCALE RENDERING */ + /* Selector Bit: 12 */ + /* Return Bit(s): 19 */ + /* */ + /* Grayscale rendering is what FreeType does anyway unless someone */ + /* sets FT_LOAD_TARGET_MONO or FT_LOAD_TARGET_LCD(_V) */ + if ( ( args[0] & 4096 ) != 0 && exc->grayscale_cleartype ) + K |= 1 << 19; + } +#endif + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + if ( SUBPIXEL_HINTING_INFINALITY && + exc->rasterizer_version >= TT_INTERPRETER_VERSION_35 ) + { + + if ( exc->rasterizer_version >= 37 ) + { + /********************************/ + /* HINTING FOR SUBPIXEL */ + /* Selector Bit: 6 */ + /* Return Bit(s): 13 */ + /* */ + if ( ( args[0] & 64 ) != 0 && exc->subpixel_hinting ) + K |= 1 << 13; + + /********************************/ + /* COMPATIBLE WIDTHS ENABLED */ + /* Selector Bit: 7 */ + /* Return Bit(s): 14 */ + /* */ + /* Functionality still needs to be added */ + if ( ( args[0] & 128 ) != 0 && exc->compatible_widths ) + K |= 1 << 14; + + /********************************/ + /* VERTICAL LCD SUBPIXELS? */ + /* Selector Bit: 8 */ + /* Return Bit(s): 15 */ + /* */ + /* Functionality still needs to be added */ + if ( ( args[0] & 256 ) != 0 && exc->vertical_lcd ) + K |= 1 << 15; + + /********************************/ + /* HINTING FOR BGR? */ + /* Selector Bit: 9 */ + /* Return Bit(s): 16 */ + /* */ + /* Functionality still needs to be added */ + if ( ( args[0] & 512 ) != 0 && exc->bgr ) + K |= 1 << 16; + + if ( exc->rasterizer_version >= 38 ) + { + /********************************/ + /* SUBPIXEL POSITIONED? */ + /* Selector Bit: 10 */ + /* Return Bit(s): 17 */ + /* */ + /* Functionality still needs to be added */ + if ( ( args[0] & 1024 ) != 0 && exc->subpixel_positioned ) + K |= 1 << 17; + + /********************************/ + /* SYMMETRICAL SMOOTHING */ + /* Selector Bit: 11 */ + /* Return Bit(s): 18 */ + /* */ + /* Functionality still needs to be added */ + if ( ( args[0] & 2048 ) != 0 && exc->symmetrical_smoothing ) + K |= 1 << 18; + + /********************************/ + /* GRAY CLEARTYPE */ + /* Selector Bit: 12 */ + /* Return Bit(s): 19 */ + /* */ + /* Functionality still needs to be added */ + if ( ( args[0] & 4096 ) != 0 && exc->gray_cleartype ) + K |= 1 << 19; + } + } + } + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + args[0] = K; + } + + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + /*************************************************************************/ + /* */ + /* GETVARIATION[]: get normalized variation (blend) coordinates */ + /* Opcode range: 0x91 */ + /* Stack: --> f2.14... */ + /* */ + /* XXX: UNDOCUMENTED! There is no official documentation from Apple for */ + /* this bytecode instruction. Active only if a font has GX */ + /* variation axes. */ + /* */ + static void + Ins_GETVARIATION( TT_ExecContext exc, + FT_Long* args ) + { + FT_UInt num_axes = exc->face->blend->num_axis; + FT_Fixed* coords = exc->face->blend->normalizedcoords; + + FT_UInt i; + + + if ( BOUNDS( num_axes, exc->stackSize + 1 - exc->top ) ) + { + exc->error = FT_THROW( Stack_Overflow ); + return; + } + + for ( i = 0; i < num_axes; i++ ) + args[i] = coords[i] >> 2; /* convert 16.16 to 2.14 format */ + } + + + /*************************************************************************/ + /* */ + /* GETDATA[]: no idea what this is good for */ + /* Opcode range: 0x92 */ + /* Stack: --> 17 */ + /* */ + /* XXX: UNDOCUMENTED! There is no documentation from Apple for this */ + /* very weird bytecode instruction. */ + /* */ + static void + Ins_GETDATA( FT_Long* args ) + { + args[0] = 17; + } + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + + static void + Ins_UNKNOWN( TT_ExecContext exc ) + { + TT_DefRecord* def = exc->IDefs; + TT_DefRecord* limit = def + exc->numIDefs; + + + for ( ; def < limit; def++ ) + { + if ( (FT_Byte)def->opc == exc->opcode && def->active ) + { + TT_CallRec* call; + + + if ( exc->callTop >= exc->callSize ) + { + exc->error = FT_THROW( Stack_Overflow ); + return; + } + + call = exc->callStack + exc->callTop++; + + call->Caller_Range = exc->curRange; + call->Caller_IP = exc->IP + 1; + call->Cur_Count = 1; + call->Def = def; + + Ins_Goto_CodeRange( exc, def->range, def->start ); + + exc->step_ins = FALSE; + return; + } + } + + exc->error = FT_THROW( Invalid_Opcode ); + } + + + /*************************************************************************/ + /* */ + /* RUN */ + /* */ + /* This function executes a run of opcodes. It will exit in the */ + /* following cases: */ + /* */ + /* - Errors (in which case it returns FALSE). */ + /* */ + /* - Reaching the end of the main code range (returns TRUE). */ + /* Reaching the end of a code range within a function call is an */ + /* error. */ + /* */ + /* - After executing one single opcode, if the flag `Instruction_Trap' */ + /* is set to TRUE (returns TRUE). */ + /* */ + /* On exit with TRUE, test IP < CodeSize to know whether it comes from */ + /* an instruction trap or a normal termination. */ + /* */ + /* */ + /* Note: The documented DEBUG opcode pops a value from the stack. This */ + /* behaviour is unsupported; here a DEBUG opcode is always an */ + /* error. */ + /* */ + /* */ + /* THIS IS THE INTERPRETER'S MAIN LOOP. */ + /* */ + /*************************************************************************/ + + + /* documentation is in ttinterp.h */ + + FT_EXPORT_DEF( FT_Error ) + TT_RunIns( TT_ExecContext exc ) + { + FT_ULong ins_counter = 0; /* executed instructions counter */ + FT_ULong num_twilight_points; + FT_UShort i; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + FT_Byte opcode_pattern[1][2] = { + /* #8 TypeMan Talk Align */ + { + 0x06, /* SPVTL */ + 0x7D, /* RDTG */ + }, + }; + FT_UShort opcode_patterns = 1; + FT_UShort opcode_pointer[1] = { 0 }; + FT_UShort opcode_size[1] = { 1 }; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + exc->iup_called = FALSE; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* + * Toggle backward compatibility according to what font wants, except + * when + * + * 1) we have a `tricky' font that heavily relies on the interpreter to + * render glyphs correctly, for example DFKai-SB, or + * 2) FT_RENDER_MODE_MONO (i.e, monochome rendering) is requested. + * + * In those cases, backward compatibility needs to be turned off to get + * correct rendering. The rendering is then completely up to the + * font's programming. + * + */ + if ( SUBPIXEL_HINTING_MINIMAL && + exc->subpixel_hinting_lean && + !FT_IS_TRICKY( &exc->face->root ) ) + exc->backward_compatibility = !( exc->GS.instruct_control & 4 ); + else + exc->backward_compatibility = FALSE; + + exc->iupx_called = FALSE; + exc->iupy_called = FALSE; +#endif + + /* We restrict the number of twilight points to a reasonable, */ + /* heuristic value to avoid slow execution of malformed bytecode. */ + num_twilight_points = FT_MAX( 30, + 2 * ( exc->pts.n_points + exc->cvtSize ) ); + if ( exc->twilight.n_points > num_twilight_points ) + { + if ( num_twilight_points > 0xFFFFU ) + num_twilight_points = 0xFFFFU; + + FT_TRACE5(( "TT_RunIns: Resetting number of twilight points\n" + " from %d to the more reasonable value %d\n", + exc->twilight.n_points, + num_twilight_points )); + exc->twilight.n_points = (FT_UShort)num_twilight_points; + } + + /* Set up loop detectors. We restrict the number of LOOPCALL loops */ + /* and the number of JMPR, JROT, and JROF calls with a negative */ + /* argument to values that depend on various parameters like the */ + /* size of the CVT table or the number of points in the current */ + /* glyph (if applicable). */ + /* */ + /* The idea is that in real-world bytecode you either iterate over */ + /* all CVT entries (in the `prep' table), or over all points (or */ + /* contours, in the `glyf' table) of a glyph, and such iterations */ + /* don't happen very often. */ + exc->loopcall_counter = 0; + exc->neg_jump_counter = 0; + + /* The maximum values are heuristic. */ + if ( exc->pts.n_points ) + exc->loopcall_counter_max = FT_MAX( 50, + 10 * exc->pts.n_points ) + + FT_MAX( 50, + exc->cvtSize / 10 ); + else + exc->loopcall_counter_max = 300 + 8 * exc->cvtSize; + + /* as a protection against an unreasonable number of CVT entries */ + /* we assume at most 100 control values per glyph for the counter */ + if ( exc->loopcall_counter_max > + 100 * (FT_ULong)exc->face->root.num_glyphs ) + exc->loopcall_counter_max = 100 * (FT_ULong)exc->face->root.num_glyphs; + + FT_TRACE5(( "TT_RunIns: Limiting total number of loops in LOOPCALL" + " to %d\n", exc->loopcall_counter_max )); + + exc->neg_jump_counter_max = exc->loopcall_counter_max; + FT_TRACE5(( "TT_RunIns: Limiting total number of backward jumps" + " to %d\n", exc->neg_jump_counter_max )); + + /* set PPEM and CVT functions */ + exc->tt_metrics.ratio = 0; + if ( exc->metrics.x_ppem != exc->metrics.y_ppem ) + { + /* non-square pixels, use the stretched routines */ + exc->func_cur_ppem = Current_Ppem_Stretched; + exc->func_read_cvt = Read_CVT_Stretched; + exc->func_write_cvt = Write_CVT_Stretched; + exc->func_move_cvt = Move_CVT_Stretched; + } + else + { + /* square pixels, use normal routines */ + exc->func_cur_ppem = Current_Ppem; + exc->func_read_cvt = Read_CVT; + exc->func_write_cvt = Write_CVT; + exc->func_move_cvt = Move_CVT; + } + + Compute_Funcs( exc ); + Compute_Round( exc, (FT_Byte)exc->GS.round_state ); + + do + { + exc->opcode = exc->code[exc->IP]; + +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_Long cnt = FT_MIN( 8, exc->top ); + FT_Long n; + + + /* if tracing level is 7, show current code position */ + /* and the first few stack elements also */ + FT_TRACE6(( " " )); + FT_TRACE7(( "%06d ", exc->IP )); + FT_TRACE6(( opcode_name[exc->opcode] + 2 )); + FT_TRACE7(( "%*s", *opcode_name[exc->opcode] == 'A' + ? 2 + : 12 - ( *opcode_name[exc->opcode] - '0' ), + "#" )); + for ( n = 1; n <= cnt; n++ ) + FT_TRACE7(( " %d", exc->stack[exc->top - n] )); + FT_TRACE6(( "\n" )); + } +#endif /* FT_DEBUG_LEVEL_TRACE */ + + if ( ( exc->length = opcode_length[exc->opcode] ) < 0 ) + { + if ( exc->IP + 1 >= exc->codeSize ) + goto LErrorCodeOverflow_; + + exc->length = 2 - exc->length * exc->code[exc->IP + 1]; + } + + if ( exc->IP + exc->length > exc->codeSize ) + goto LErrorCodeOverflow_; + + /* First, let's check for empty stack and overflow */ + exc->args = exc->top - ( Pop_Push_Count[exc->opcode] >> 4 ); + + /* `args' is the top of the stack once arguments have been popped. */ + /* One can also interpret it as the index of the last argument. */ + if ( exc->args < 0 ) + { + if ( exc->pedantic_hinting ) + { + exc->error = FT_THROW( Too_Few_Arguments ); + goto LErrorLabel_; + } + + /* push zeroes onto the stack */ + for ( i = 0; i < Pop_Push_Count[exc->opcode] >> 4; i++ ) + exc->stack[i] = 0; + exc->args = 0; + } + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + if ( exc->opcode == 0x91 ) + { + /* this is very special: GETVARIATION returns */ + /* a variable number of arguments */ + + /* it is the job of the application to `activate' GX handling, */ + /* this is, calling any of the GX API functions on the current */ + /* font to select a variation instance */ + if ( exc->face->blend ) + exc->new_top = exc->args + exc->face->blend->num_axis; + } + else +#endif + exc->new_top = exc->args + ( Pop_Push_Count[exc->opcode] & 15 ); + + /* `new_top' is the new top of the stack, after the instruction's */ + /* execution. `top' will be set to `new_top' after the `switch' */ + /* statement. */ + if ( exc->new_top > exc->stackSize ) + { + exc->error = FT_THROW( Stack_Overflow ); + goto LErrorLabel_; + } + + exc->step_ins = TRUE; + exc->error = FT_Err_Ok; + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + if ( SUBPIXEL_HINTING_INFINALITY ) + { + for ( i = 0; i < opcode_patterns; i++ ) + { + if ( opcode_pointer[i] < opcode_size[i] && + exc->opcode == opcode_pattern[i][opcode_pointer[i]] ) + { + opcode_pointer[i] += 1; + + if ( opcode_pointer[i] == opcode_size[i] ) + { + FT_TRACE6(( "sph: opcode ptrn: %d, %s %s\n", + i, + exc->face->root.family_name, + exc->face->root.style_name )); + + switch ( i ) + { + case 0: + break; + } + opcode_pointer[i] = 0; + } + } + else + opcode_pointer[i] = 0; + } + } + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + { + FT_Long* args = exc->stack + exc->args; + FT_Byte opcode = exc->opcode; + + + switch ( opcode ) + { + case 0x00: /* SVTCA y */ + case 0x01: /* SVTCA x */ + case 0x02: /* SPvTCA y */ + case 0x03: /* SPvTCA x */ + case 0x04: /* SFvTCA y */ + case 0x05: /* SFvTCA x */ + Ins_SxyTCA( exc ); + break; + + case 0x06: /* SPvTL // */ + case 0x07: /* SPvTL + */ + Ins_SPVTL( exc, args ); + break; + + case 0x08: /* SFvTL // */ + case 0x09: /* SFvTL + */ + Ins_SFVTL( exc, args ); + break; + + case 0x0A: /* SPvFS */ + Ins_SPVFS( exc, args ); + break; + + case 0x0B: /* SFvFS */ + Ins_SFVFS( exc, args ); + break; + + case 0x0C: /* GPv */ + Ins_GPV( exc, args ); + break; + + case 0x0D: /* GFv */ + Ins_GFV( exc, args ); + break; + + case 0x0E: /* SFvTPv */ + Ins_SFVTPV( exc ); + break; + + case 0x0F: /* ISECT */ + Ins_ISECT( exc, args ); + break; + + case 0x10: /* SRP0 */ + Ins_SRP0( exc, args ); + break; + + case 0x11: /* SRP1 */ + Ins_SRP1( exc, args ); + break; + + case 0x12: /* SRP2 */ + Ins_SRP2( exc, args ); + break; + + case 0x13: /* SZP0 */ + Ins_SZP0( exc, args ); + break; + + case 0x14: /* SZP1 */ + Ins_SZP1( exc, args ); + break; + + case 0x15: /* SZP2 */ + Ins_SZP2( exc, args ); + break; + + case 0x16: /* SZPS */ + Ins_SZPS( exc, args ); + break; + + case 0x17: /* SLOOP */ + Ins_SLOOP( exc, args ); + break; + + case 0x18: /* RTG */ + Ins_RTG( exc ); + break; + + case 0x19: /* RTHG */ + Ins_RTHG( exc ); + break; + + case 0x1A: /* SMD */ + Ins_SMD( exc, args ); + break; + + case 0x1B: /* ELSE */ + Ins_ELSE( exc ); + break; + + case 0x1C: /* JMPR */ + Ins_JMPR( exc, args ); + break; + + case 0x1D: /* SCVTCI */ + Ins_SCVTCI( exc, args ); + break; + + case 0x1E: /* SSWCI */ + Ins_SSWCI( exc, args ); + break; + + case 0x1F: /* SSW */ + Ins_SSW( exc, args ); + break; + + case 0x20: /* DUP */ + Ins_DUP( args ); + break; + + case 0x21: /* POP */ + Ins_POP(); + break; + + case 0x22: /* CLEAR */ + Ins_CLEAR( exc ); + break; + + case 0x23: /* SWAP */ + Ins_SWAP( args ); + break; + + case 0x24: /* DEPTH */ + Ins_DEPTH( exc, args ); + break; + + case 0x25: /* CINDEX */ + Ins_CINDEX( exc, args ); + break; + + case 0x26: /* MINDEX */ + Ins_MINDEX( exc, args ); + break; + + case 0x27: /* ALIGNPTS */ + Ins_ALIGNPTS( exc, args ); + break; + + case 0x28: /* RAW */ + Ins_UNKNOWN( exc ); + break; + + case 0x29: /* UTP */ + Ins_UTP( exc, args ); + break; + + case 0x2A: /* LOOPCALL */ + Ins_LOOPCALL( exc, args ); + break; + + case 0x2B: /* CALL */ + Ins_CALL( exc, args ); + break; + + case 0x2C: /* FDEF */ + Ins_FDEF( exc, args ); + break; + + case 0x2D: /* ENDF */ + Ins_ENDF( exc ); + break; + + case 0x2E: /* MDAP */ + case 0x2F: /* MDAP */ + Ins_MDAP( exc, args ); + break; + + case 0x30: /* IUP */ + case 0x31: /* IUP */ + Ins_IUP( exc ); + break; + + case 0x32: /* SHP */ + case 0x33: /* SHP */ + Ins_SHP( exc ); + break; + + case 0x34: /* SHC */ + case 0x35: /* SHC */ + Ins_SHC( exc, args ); + break; + + case 0x36: /* SHZ */ + case 0x37: /* SHZ */ + Ins_SHZ( exc, args ); + break; + + case 0x38: /* SHPIX */ + Ins_SHPIX( exc, args ); + break; + + case 0x39: /* IP */ + Ins_IP( exc ); + break; + + case 0x3A: /* MSIRP */ + case 0x3B: /* MSIRP */ + Ins_MSIRP( exc, args ); + break; + + case 0x3C: /* AlignRP */ + Ins_ALIGNRP( exc ); + break; + + case 0x3D: /* RTDG */ + Ins_RTDG( exc ); + break; + + case 0x3E: /* MIAP */ + case 0x3F: /* MIAP */ + Ins_MIAP( exc, args ); + break; + + case 0x40: /* NPUSHB */ + Ins_NPUSHB( exc, args ); + break; + + case 0x41: /* NPUSHW */ + Ins_NPUSHW( exc, args ); + break; + + case 0x42: /* WS */ + Ins_WS( exc, args ); + break; + + case 0x43: /* RS */ + Ins_RS( exc, args ); + break; + + case 0x44: /* WCVTP */ + Ins_WCVTP( exc, args ); + break; + + case 0x45: /* RCVT */ + Ins_RCVT( exc, args ); + break; + + case 0x46: /* GC */ + case 0x47: /* GC */ + Ins_GC( exc, args ); + break; + + case 0x48: /* SCFS */ + Ins_SCFS( exc, args ); + break; + + case 0x49: /* MD */ + case 0x4A: /* MD */ + Ins_MD( exc, args ); + break; + + case 0x4B: /* MPPEM */ + Ins_MPPEM( exc, args ); + break; + + case 0x4C: /* MPS */ + Ins_MPS( exc, args ); + break; + + case 0x4D: /* FLIPON */ + Ins_FLIPON( exc ); + break; + + case 0x4E: /* FLIPOFF */ + Ins_FLIPOFF( exc ); + break; + + case 0x4F: /* DEBUG */ + Ins_DEBUG( exc ); + break; + + case 0x50: /* LT */ + Ins_LT( args ); + break; + + case 0x51: /* LTEQ */ + Ins_LTEQ( args ); + break; + + case 0x52: /* GT */ + Ins_GT( args ); + break; + + case 0x53: /* GTEQ */ + Ins_GTEQ( args ); + break; + + case 0x54: /* EQ */ + Ins_EQ( args ); + break; + + case 0x55: /* NEQ */ + Ins_NEQ( args ); + break; + + case 0x56: /* ODD */ + Ins_ODD( exc, args ); + break; + + case 0x57: /* EVEN */ + Ins_EVEN( exc, args ); + break; + + case 0x58: /* IF */ + Ins_IF( exc, args ); + break; + + case 0x59: /* EIF */ + Ins_EIF(); + break; + + case 0x5A: /* AND */ + Ins_AND( args ); + break; + + case 0x5B: /* OR */ + Ins_OR( args ); + break; + + case 0x5C: /* NOT */ + Ins_NOT( args ); + break; + + case 0x5D: /* DELTAP1 */ + Ins_DELTAP( exc, args ); + break; + + case 0x5E: /* SDB */ + Ins_SDB( exc, args ); + break; + + case 0x5F: /* SDS */ + Ins_SDS( exc, args ); + break; + + case 0x60: /* ADD */ + Ins_ADD( args ); + break; + + case 0x61: /* SUB */ + Ins_SUB( args ); + break; + + case 0x62: /* DIV */ + Ins_DIV( exc, args ); + break; + + case 0x63: /* MUL */ + Ins_MUL( args ); + break; + + case 0x64: /* ABS */ + Ins_ABS( args ); + break; + + case 0x65: /* NEG */ + Ins_NEG( args ); + break; + + case 0x66: /* FLOOR */ + Ins_FLOOR( args ); + break; + + case 0x67: /* CEILING */ + Ins_CEILING( args ); + break; + + case 0x68: /* ROUND */ + case 0x69: /* ROUND */ + case 0x6A: /* ROUND */ + case 0x6B: /* ROUND */ + Ins_ROUND( exc, args ); + break; + + case 0x6C: /* NROUND */ + case 0x6D: /* NROUND */ + case 0x6E: /* NRRUND */ + case 0x6F: /* NROUND */ + Ins_NROUND( exc, args ); + break; + + case 0x70: /* WCVTF */ + Ins_WCVTF( exc, args ); + break; + + case 0x71: /* DELTAP2 */ + case 0x72: /* DELTAP3 */ + Ins_DELTAP( exc, args ); + break; + + case 0x73: /* DELTAC0 */ + case 0x74: /* DELTAC1 */ + case 0x75: /* DELTAC2 */ + Ins_DELTAC( exc, args ); + break; + + case 0x76: /* SROUND */ + Ins_SROUND( exc, args ); + break; + + case 0x77: /* S45Round */ + Ins_S45ROUND( exc, args ); + break; + + case 0x78: /* JROT */ + Ins_JROT( exc, args ); + break; + + case 0x79: /* JROF */ + Ins_JROF( exc, args ); + break; + + case 0x7A: /* ROFF */ + Ins_ROFF( exc ); + break; + + case 0x7B: /* ???? */ + Ins_UNKNOWN( exc ); + break; + + case 0x7C: /* RUTG */ + Ins_RUTG( exc ); + break; + + case 0x7D: /* RDTG */ + Ins_RDTG( exc ); + break; + + case 0x7E: /* SANGW */ + Ins_SANGW(); + break; + + case 0x7F: /* AA */ + Ins_AA(); + break; + + case 0x80: /* FLIPPT */ + Ins_FLIPPT( exc ); + break; + + case 0x81: /* FLIPRGON */ + Ins_FLIPRGON( exc, args ); + break; + + case 0x82: /* FLIPRGOFF */ + Ins_FLIPRGOFF( exc, args ); + break; + + case 0x83: /* UNKNOWN */ + case 0x84: /* UNKNOWN */ + Ins_UNKNOWN( exc ); + break; + + case 0x85: /* SCANCTRL */ + Ins_SCANCTRL( exc, args ); + break; + + case 0x86: /* SDPvTL */ + case 0x87: /* SDPvTL */ + Ins_SDPVTL( exc, args ); + break; + + case 0x88: /* GETINFO */ + Ins_GETINFO( exc, args ); + break; + + case 0x89: /* IDEF */ + Ins_IDEF( exc, args ); + break; + + case 0x8A: /* ROLL */ + Ins_ROLL( args ); + break; + + case 0x8B: /* MAX */ + Ins_MAX( args ); + break; + + case 0x8C: /* MIN */ + Ins_MIN( args ); + break; + + case 0x8D: /* SCANTYPE */ + Ins_SCANTYPE( exc, args ); + break; + + case 0x8E: /* INSTCTRL */ + Ins_INSTCTRL( exc, args ); + break; + + case 0x8F: /* ADJUST */ + case 0x90: /* ADJUST */ + Ins_UNKNOWN( exc ); + break; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + case 0x91: + /* it is the job of the application to `activate' GX handling, */ + /* this is, calling any of the GX API functions on the current */ + /* font to select a variation instance */ + if ( exc->face->blend ) + Ins_GETVARIATION( exc, args ); + else + Ins_UNKNOWN( exc ); + break; + + case 0x92: + /* there is at least one MS font (LaoUI.ttf version 5.01) that */ + /* uses IDEFs for 0x91 and 0x92; for this reason we activate */ + /* GETDATA for GX fonts only, similar to GETVARIATION */ + if ( exc->face->blend ) + Ins_GETDATA( args ); + else + Ins_UNKNOWN( exc ); + break; +#endif + + default: + if ( opcode >= 0xE0 ) + Ins_MIRP( exc, args ); + else if ( opcode >= 0xC0 ) + Ins_MDRP( exc, args ); + else if ( opcode >= 0xB8 ) + Ins_PUSHW( exc, args ); + else if ( opcode >= 0xB0 ) + Ins_PUSHB( exc, args ); + else + Ins_UNKNOWN( exc ); + } + } + + if ( exc->error ) + { + switch ( exc->error ) + { + /* looking for redefined instructions */ + case FT_ERR( Invalid_Opcode ): + { + TT_DefRecord* def = exc->IDefs; + TT_DefRecord* limit = def + exc->numIDefs; + + + for ( ; def < limit; def++ ) + { + if ( def->active && exc->opcode == (FT_Byte)def->opc ) + { + TT_CallRec* callrec; + + + if ( exc->callTop >= exc->callSize ) + { + exc->error = FT_THROW( Invalid_Reference ); + goto LErrorLabel_; + } + + callrec = &exc->callStack[exc->callTop]; + + callrec->Caller_Range = exc->curRange; + callrec->Caller_IP = exc->IP + 1; + callrec->Cur_Count = 1; + callrec->Def = def; + + if ( Ins_Goto_CodeRange( exc, + def->range, + def->start ) == FAILURE ) + goto LErrorLabel_; + + goto LSuiteLabel_; + } + } + } + + exc->error = FT_THROW( Invalid_Opcode ); + goto LErrorLabel_; + +#if 0 + break; /* Unreachable code warning suppression. */ + /* Leave to remind in case a later change the editor */ + /* to consider break; */ +#endif + + default: + goto LErrorLabel_; + +#if 0 + break; +#endif + } + } + + exc->top = exc->new_top; + + if ( exc->step_ins ) + exc->IP += exc->length; + + /* increment instruction counter and check if we didn't */ + /* run this program for too long (e.g. infinite loops). */ + if ( ++ins_counter > TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES ) + return FT_THROW( Execution_Too_Long ); + + LSuiteLabel_: + if ( exc->IP >= exc->codeSize ) + { + if ( exc->callTop > 0 ) + { + exc->error = FT_THROW( Code_Overflow ); + goto LErrorLabel_; + } + else + goto LNo_Error_; + } + } while ( !exc->instruction_trap ); + + LNo_Error_: + FT_TRACE4(( " %d instruction%s executed\n", + ins_counter == 1 ? "" : "s", + ins_counter )); + return FT_Err_Ok; + + LErrorCodeOverflow_: + exc->error = FT_THROW( Code_Overflow ); + + LErrorLabel_: + if ( exc->error && !exc->instruction_trap ) + FT_TRACE1(( " The interpreter returned error 0x%x\n", exc->error )); + + return exc->error; + } + +#else /* !TT_USE_BYTECODE_INTERPRETER */ + + /* ANSI C doesn't like empty source files */ + typedef int _tt_interp_dummy; + +#endif /* !TT_USE_BYTECODE_INTERPRETER */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttinterp.h b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttinterp.h new file mode 100644 index 00000000000..2966439ea25 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttinterp.h @@ -0,0 +1,539 @@ +/***************************************************************************/ +/* */ +/* ttinterp.h */ +/* */ +/* TrueType bytecode interpreter (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTINTERP_H_ +#define TTINTERP_H_ + +#include <ft2build.h> +#include "ttobjs.h" + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* Rounding mode constants. */ + /* */ +#define TT_Round_Off 5 +#define TT_Round_To_Half_Grid 0 +#define TT_Round_To_Grid 1 +#define TT_Round_To_Double_Grid 2 +#define TT_Round_Up_To_Grid 4 +#define TT_Round_Down_To_Grid 3 +#define TT_Round_Super 6 +#define TT_Round_Super_45 7 + + + /*************************************************************************/ + /* */ + /* Function types used by the interpreter, depending on various modes */ + /* (e.g. the rounding mode, whether to render a vertical or horizontal */ + /* line etc). */ + /* */ + /*************************************************************************/ + + /* Rounding function */ + typedef FT_F26Dot6 + (*TT_Round_Func)( TT_ExecContext exc, + FT_F26Dot6 distance, + FT_F26Dot6 compensation ); + + /* Point displacement along the freedom vector routine */ + typedef void + (*TT_Move_Func)( TT_ExecContext exc, + TT_GlyphZone zone, + FT_UShort point, + FT_F26Dot6 distance ); + + /* Distance projection along one of the projection vectors */ + typedef FT_F26Dot6 + (*TT_Project_Func)( TT_ExecContext exc, + FT_Pos dx, + FT_Pos dy ); + + /* getting current ppem. Take care of non-square pixels if necessary */ + typedef FT_Long + (*TT_Cur_Ppem_Func)( TT_ExecContext exc ); + + /* reading a cvt value. Take care of non-square pixels if necessary */ + typedef FT_F26Dot6 + (*TT_Get_CVT_Func)( TT_ExecContext exc, + FT_ULong idx ); + + /* setting or moving a cvt value. Take care of non-square pixels */ + /* if necessary */ + typedef void + (*TT_Set_CVT_Func)( TT_ExecContext exc, + FT_ULong idx, + FT_F26Dot6 value ); + + + /*************************************************************************/ + /* */ + /* This structure defines a call record, used to manage function calls. */ + /* */ + typedef struct TT_CallRec_ + { + FT_Int Caller_Range; + FT_Long Caller_IP; + FT_Long Cur_Count; + + TT_DefRecord *Def; /* either FDEF or IDEF */ + + } TT_CallRec, *TT_CallStack; + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + /*************************************************************************/ + /* */ + /* These structures define rules used to tweak subpixel hinting for */ + /* various fonts. "", 0, "", NULL value indicates to match any value. */ + /* */ + +#define SPH_MAX_NAME_SIZE 32 +#define SPH_MAX_CLASS_MEMBERS 100 + + typedef struct SPH_TweakRule_ + { + const char family[SPH_MAX_NAME_SIZE]; + const FT_UInt ppem; + const char style[SPH_MAX_NAME_SIZE]; + const FT_ULong glyph; + + } SPH_TweakRule; + + + typedef struct SPH_ScaleRule_ + { + const char family[SPH_MAX_NAME_SIZE]; + const FT_UInt ppem; + const char style[SPH_MAX_NAME_SIZE]; + const FT_ULong glyph; + const FT_ULong scale; + + } SPH_ScaleRule; + + + typedef struct SPH_Font_Class_ + { + const char name[SPH_MAX_NAME_SIZE]; + const char member[SPH_MAX_CLASS_MEMBERS][SPH_MAX_NAME_SIZE]; + + } SPH_Font_Class; + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + + /*************************************************************************/ + /* */ + /* The main structure for the interpreter which collects all necessary */ + /* variables and states. */ + /* */ + typedef struct TT_ExecContextRec_ + { + TT_Face face; + TT_Size size; + FT_Memory memory; + + /* instructions state */ + + FT_Error error; /* last execution error */ + + FT_Long top; /* top of exec. stack */ + + FT_Long stackSize; /* size of exec. stack */ + FT_Long* stack; /* current exec. stack */ + + FT_Long args; + FT_Long new_top; /* new top after exec. */ + + TT_GlyphZoneRec zp0, /* zone records */ + zp1, + zp2, + pts, + twilight; + + FT_Long pointSize; /* in 26.6 format */ + FT_Size_Metrics metrics; + TT_Size_Metrics tt_metrics; /* size metrics */ + + TT_GraphicsState GS; /* current graphics state */ + + FT_Int curRange; /* current code range number */ + FT_Byte* code; /* current code range */ + FT_Long IP; /* current instruction pointer */ + FT_Long codeSize; /* size of current range */ + + FT_Byte opcode; /* current opcode */ + FT_Int length; /* length of current opcode */ + + FT_Bool step_ins; /* true if the interpreter must */ + /* increment IP after ins. exec */ + FT_ULong cvtSize; + FT_Long* cvt; + + FT_UInt glyphSize; /* glyph instructions buffer size */ + FT_Byte* glyphIns; /* glyph instructions buffer */ + + FT_UInt numFDefs; /* number of function defs */ + FT_UInt maxFDefs; /* maximum number of function defs */ + TT_DefArray FDefs; /* table of FDefs entries */ + + FT_UInt numIDefs; /* number of instruction defs */ + FT_UInt maxIDefs; /* maximum number of ins defs */ + TT_DefArray IDefs; /* table of IDefs entries */ + + FT_UInt maxFunc; /* maximum function index */ + FT_UInt maxIns; /* maximum instruction index */ + + FT_Int callTop, /* top of call stack during execution */ + callSize; /* size of call stack */ + TT_CallStack callStack; /* call stack */ + + FT_UShort maxPoints; /* capacity of this context's `pts' */ + FT_Short maxContours; /* record, expressed in points and */ + /* contours. */ + + TT_CodeRangeTable codeRangeTable; /* table of valid code ranges */ + /* useful for the debugger */ + + FT_UShort storeSize; /* size of current storage */ + FT_Long* storage; /* storage area */ + + FT_F26Dot6 period; /* values used for the */ + FT_F26Dot6 phase; /* `SuperRounding' */ + FT_F26Dot6 threshold; + + FT_Bool instruction_trap; /* If `True', the interpreter will */ + /* exit after each instruction */ + + TT_GraphicsState default_GS; /* graphics state resulting from */ + /* the prep program */ + FT_Bool is_composite; /* true if the glyph is composite */ + FT_Bool pedantic_hinting; /* true if pedantic interpretation */ + + /* latest interpreter additions */ + + FT_Long F_dot_P; /* dot product of freedom and projection */ + /* vectors */ + TT_Round_Func func_round; /* current rounding function */ + + TT_Project_Func func_project, /* current projection function */ + func_dualproj, /* current dual proj. function */ + func_freeProj; /* current freedom proj. func */ + + TT_Move_Func func_move; /* current point move function */ + TT_Move_Func func_move_orig; /* move original position function */ + + TT_Cur_Ppem_Func func_cur_ppem; /* get current proj. ppem value */ + + TT_Get_CVT_Func func_read_cvt; /* read a cvt entry */ + TT_Set_CVT_Func func_write_cvt; /* write a cvt entry (in pixels) */ + TT_Set_CVT_Func func_move_cvt; /* incr a cvt entry (in pixels) */ + + FT_Bool grayscale; /* bi-level hinting and */ + /* grayscale rendering */ + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + /* + * FreeType supports ClearType-like hinting of TrueType fonts through + * the version 40 interpreter. This is achieved through several hacks + * in the base (v35) interpreter, as detailed below. + * + * ClearType is an umbrella term for several rendering techniques + * employed by Microsoft's various GUI and rendering toolkit + * implementations, most importantly: subpixel rendering for using the + * RGB subpixels of LCDs to approximately triple the perceived + * resolution on the x-axis and subpixel hinting for positioning stems + * on subpixel borders. TrueType programming is explicit, i.e., fonts + * must be programmed to take advantage of ClearType's possibilities. + * + * When ClearType was introduced, it seemed unlikely that all fonts + * would be reprogrammed, so Microsoft decided to implement a backward + * compatibility mode. It employs several simple to complicated + * assumptions and tricks, many of them font-dependent, that modify the + * interpretation of the bytecode contained in these fonts to retrofit + * them into a ClearType-y look. The quality of the results varies. + * Most (web)fonts that were released since then have come to rely on + * these hacks to render correctly, even some of Microsoft's flagship + * fonts (e.g., Calibri, Cambria, Segoe UI). + * + * FreeType's minimal subpixel hinting code (interpreter version 40) + * employs a small list of font-agnostic hacks loosely based on the + * public information available on Microsoft's compatibility mode[2]. + * The focus is on modern (web)fonts rather than legacy fonts that were + * made for monochrome rendering. It will not match ClearType rendering + * exactly. Unlike the `Infinality' code (interpreter version 38) that + * came before, it will not try to toggle hacks for specific fonts for + * performance and complexity reasons. It will fall back to version 35 + * behavior for tricky fonts[1] or when monochrome rendering is + * requested. + * + * Major hacks + * + * - Any point movement on the x axis is ignored (cf. `Direct_Move' and + * `Direct_Move_X'). This has the smallest code footprint and single + * biggest effect. The ClearType way to increase resolution is + * supersampling the x axis, the FreeType way is ignoring instructions + * on the x axis, which gives the same result in the majority of + * cases. + * + * - Points are not moved post-IUP (neither on the x nor on the y axis), + * except the x component of diagonal moves post-IUP (cf. + * `Direct_Move', `Direct_Move_Y', `Move_Zp2_Point'). Post-IUP + * changes are commonly used to `fix' pixel patterns which has little + * use outside monochrome rendering. + * + * - SHPIX and DELTAP don't execute unless moving a composite on the + * y axis or moving a previously y touched point. SHPIX additionally + * denies movement on the x axis (cf. `Ins_SHPIX' and `Ins_DELTAP'). + * Both instructions are commonly used to `fix' pixel patterns for + * monochrome or Windows's GDI rendering but make little sense for + * FreeType rendering. Both can distort the outline. See [2] for + * details. + * + * - The hdmx table and modifications to phantom points are ignored. + * Bearings and advance widths remain unchanged (except rounding them + * outside the interpreter!), cf. `compute_glyph_metrics' and + * `TT_Hint_Glyph'. Letting non-native-ClearType fonts modify spacing + * might mess up spacing. + * + * Minor hacks + * + * - FLIPRGON, FLIPRGOFF, and FLIPPT don't execute post-IUP. This + * prevents dents in e.g. Arial-Regular's `D' and `G' glyphs at + * various sizes. + * + * (Post-IUP is the state after both IUP[x] and IUP[y] have been + * executed.) + * + * The best results are achieved for fonts that were from the outset + * designed with ClearType in mind, meaning they leave the x axis mostly + * alone and don't mess with the `final' outline to produce more + * pleasing pixel patterns. The harder the designer tried to produce + * very specific patterns (`superhinting') for pre-ClearType-displays, + * the worse the results. + * + * Microsoft defines a way to turn off backward compatibility and + * interpret instructions as before (called `native ClearType')[2][3]. + * The font designer then regains full control and is responsible for + * making the font work correctly with ClearType without any + * hand-holding by the interpreter or rasterizer[4]. The v40 + * interpreter assumes backward compatibility by default, which can be + * turned off the same way by executing the following in the control + * program (cf. `Ins_INSTCTRL'). + * + * #PUSH 4,3 + * INSTCTRL[] + * + * [1] Tricky fonts as FreeType defines them rely on the bytecode + * interpreter to display correctly. Hacks can interfere with them, + * so they get treated like native ClearType fonts (v40 with + * backward compatibility turned off). Cf. `TT_RunIns'. + * + * [2] Proposed by Microsoft's Greg Hitchcock in + * https://www.microsoft.com/typography/cleartype/truetypecleartype.aspx + * + * [3] Beat Stamm describes it in more detail: + * http://www.beatstamm.com/typography/RTRCh4.htm#Sec12 + * + * [4] The list of `native ClearType' fonts is small at the time of this + * writing; I found the following on a Windows 10 Update 1511 + * installation: Constantia, Corbel, Sitka, Malgun Gothic, Microsoft + * JhengHei (Bold and UI Bold), Microsoft YaHei (Bold and UI Bold), + * SimSun, NSimSun, and Yu Gothic. + * + */ + + /* Using v40 implies subpixel hinting, unless FT_RENDER_MODE_MONO has been + * requested. Used to detect interpreter */ + /* version switches. `_lean' to differentiate from the Infinality */ + /* `subpixel_hinting', which is managed differently. */ + FT_Bool subpixel_hinting_lean; + + /* Long side of a LCD subpixel is vertical (e.g., screen is rotated). */ + /* `_lean' to differentiate from the Infinality `vertical_lcd', which */ + /* is managed differently. */ + FT_Bool vertical_lcd_lean; + + /* Default to backward compatibility mode in v40 interpreter. If */ + /* this is false, it implies the interpreter is in v35 or in native */ + /* ClearType mode. */ + FT_Bool backward_compatibility; + + /* Useful for detecting and denying post-IUP trickery that is usually */ + /* used to fix pixel patterns (`superhinting'). */ + FT_Bool iupx_called; + FT_Bool iupy_called; + + /* ClearType hinting and grayscale rendering, as used by Universal */ + /* Windows Platform apps (Windows 8 and above). Like the standard */ + /* colorful ClearType mode, it utilizes a vastly increased virtual */ + /* resolution on the x axis. Different from bi-level hinting and */ + /* grayscale rendering, the old mode from Win9x days that roughly */ + /* adheres to the physical pixel grid on both axes. */ + FT_Bool grayscale_cleartype; +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL */ + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + TT_Round_Func func_round_sphn; /* subpixel rounding function */ + + FT_Bool subpixel_hinting; /* Using subpixel hinting? */ + FT_Bool ignore_x_mode; /* Standard rendering mode for */ + /* subpixel hinting. On if gray */ + /* or subpixel hinting is on. */ + + /* The following 6 aren't fully implemented but here for MS rasterizer */ + /* compatibility. */ + FT_Bool compatible_widths; /* compatible widths? */ + FT_Bool symmetrical_smoothing; /* symmetrical_smoothing? */ + FT_Bool bgr; /* bgr instead of rgb? */ + FT_Bool vertical_lcd; /* long side of LCD subpixel */ + /* rectangles is horizontal */ + FT_Bool subpixel_positioned; /* subpixel positioned */ + /* (DirectWrite ClearType)? */ + FT_Bool gray_cleartype; /* ClearType hinting but */ + /* grayscale rendering */ + + FT_Int rasterizer_version; /* MS rasterizer version */ + + FT_Bool iup_called; /* IUP called for glyph? */ + + FT_ULong sph_tweak_flags; /* flags to control */ + /* hint tweaks */ + + FT_ULong sph_in_func_flags; /* flags to indicate if in */ + /* special functions */ + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + /* We maintain two counters (in addition to the instruction counter) */ + /* that act as loop detectors for LOOPCALL and jump opcodes with */ + /* negative arguments. */ + FT_ULong loopcall_counter; + FT_ULong loopcall_counter_max; + FT_ULong neg_jump_counter; + FT_ULong neg_jump_counter_max; + + } TT_ExecContextRec; + + + extern const TT_GraphicsState tt_default_graphics_state; + + +#ifdef TT_USE_BYTECODE_INTERPRETER + FT_LOCAL( void ) + TT_Goto_CodeRange( TT_ExecContext exec, + FT_Int range, + FT_Long IP ); + + FT_LOCAL( void ) + TT_Set_CodeRange( TT_ExecContext exec, + FT_Int range, + void* base, + FT_Long length ); + + FT_LOCAL( void ) + TT_Clear_CodeRange( TT_ExecContext exec, + FT_Int range ); + + + FT_LOCAL( FT_Error ) + Update_Max( FT_Memory memory, + FT_ULong* size, + FT_ULong multiplier, + void* _pbuff, + FT_ULong new_max ); +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_New_Context */ + /* */ + /* <Description> */ + /* Queries the face context for a given font. Note that there is */ + /* now a _single_ execution context in the TrueType driver which is */ + /* shared among faces. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* <Return> */ + /* A handle to the execution context. Initialized for `face'. */ + /* */ + /* <Note> */ + /* Only the glyph loader and debugger should call this function. */ + /* (And right now only the glyph loader uses it.) */ + /* */ + FT_EXPORT( TT_ExecContext ) + TT_New_Context( TT_Driver driver ); + + +#ifdef TT_USE_BYTECODE_INTERPRETER + FT_LOCAL( void ) + TT_Done_Context( TT_ExecContext exec ); + + FT_LOCAL( FT_Error ) + TT_Load_Context( TT_ExecContext exec, + TT_Face face, + TT_Size size ); + + FT_LOCAL( void ) + TT_Save_Context( TT_ExecContext exec, + TT_Size ins ); + + FT_LOCAL( FT_Error ) + TT_Run_Context( TT_ExecContext exec ); +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* TT_RunIns */ + /* */ + /* <Description> */ + /* Executes one or more instruction in the execution context. This */ + /* is the main function of the TrueType opcode interpreter. */ + /* */ + /* <Input> */ + /* exec :: A handle to the target execution context. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* Only the object manager and debugger should call this function. */ + /* */ + /* This function is publicly exported because it is directly */ + /* invoked by the TrueType debugger. */ + /* */ + FT_EXPORT( FT_Error ) + TT_RunIns( TT_ExecContext exec ); + + +FT_END_HEADER + +#endif /* TTINTERP_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttobjs.c b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttobjs.c new file mode 100644 index 00000000000..bc8086f2568 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttobjs.c @@ -0,0 +1,1422 @@ +/***************************************************************************/ +/* */ +/* ttobjs.c */ +/* */ +/* Objects manager (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TAGS_H +#include FT_INTERNAL_SFNT_H +#include FT_DRIVER_H + +#include "ttgload.h" +#include "ttpload.h" + +#include "tterrors.h" + +#ifdef TT_USE_BYTECODE_INTERPRETER +#include "ttinterp.h" +#endif + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include "ttgxvar.h" +#endif + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttobjs + + +#ifdef TT_USE_BYTECODE_INTERPRETER + + /*************************************************************************/ + /* */ + /* GLYPH ZONE FUNCTIONS */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_glyphzone_done */ + /* */ + /* <Description> */ + /* Deallocate a glyph zone. */ + /* */ + /* <Input> */ + /* zone :: A pointer to the target glyph zone. */ + /* */ + FT_LOCAL_DEF( void ) + tt_glyphzone_done( TT_GlyphZone zone ) + { + FT_Memory memory = zone->memory; + + + if ( memory ) + { + FT_FREE( zone->contours ); + FT_FREE( zone->tags ); + FT_FREE( zone->cur ); + FT_FREE( zone->org ); + FT_FREE( zone->orus ); + + zone->max_points = zone->n_points = 0; + zone->max_contours = zone->n_contours = 0; + zone->memory = NULL; + } + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_glyphzone_new */ + /* */ + /* <Description> */ + /* Allocate a new glyph zone. */ + /* */ + /* <Input> */ + /* memory :: A handle to the current memory object. */ + /* */ + /* maxPoints :: The capacity of glyph zone in points. */ + /* */ + /* maxContours :: The capacity of glyph zone in contours. */ + /* */ + /* <Output> */ + /* zone :: A pointer to the target glyph zone record. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_glyphzone_new( FT_Memory memory, + FT_UShort maxPoints, + FT_Short maxContours, + TT_GlyphZone zone ) + { + FT_Error error; + + + FT_ZERO( zone ); + zone->memory = memory; + + if ( FT_NEW_ARRAY( zone->org, maxPoints ) || + FT_NEW_ARRAY( zone->cur, maxPoints ) || + FT_NEW_ARRAY( zone->orus, maxPoints ) || + FT_NEW_ARRAY( zone->tags, maxPoints ) || + FT_NEW_ARRAY( zone->contours, maxContours ) ) + { + tt_glyphzone_done( zone ); + } + else + { + zone->max_points = maxPoints; + zone->max_contours = maxContours; + } + + return error; + } +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + + /* Compare the face with a list of well-known `tricky' fonts. */ + /* This list shall be expanded as we find more of them. */ + + static FT_Bool + tt_check_trickyness_family( FT_String* name ) + { + +#define TRICK_NAMES_MAX_CHARACTERS 19 +#define TRICK_NAMES_COUNT 23 + + static const char trick_names[TRICK_NAMES_COUNT] + [TRICK_NAMES_MAX_CHARACTERS + 1] = + { + /* + PostScript names are given in brackets if they differ from the + family name. The version numbers, together with the copyright or + release year data, are taken from fonts available to the + developers. + + Note that later versions of the fonts might be no longer tricky; + for example, `MingLiU' version 7.00 (file `mingliu.ttc' from + Windows 7) is an ordinary TTC with non-tricky subfonts. + */ + + "cpop", /* dftt-p7.ttf; version 1.00, 1992 [DLJGyShoMedium] */ + "DFGirl-W6-WIN-BF", /* dftt-h6.ttf; version 1.00, 1993 */ + "DFGothic-EB", /* DynaLab Inc. 1992-1995 */ + "DFGyoSho-Lt", /* DynaLab Inc. 1992-1995 */ + "DFHSGothic-W5", /* DynaLab Inc. 1992-1995 */ + "DFHSMincho-W3", /* DynaLab Inc. 1992-1995 */ + "DFHSMincho-W7", /* DynaLab Inc. 1992-1995 */ + "DFKaiSho-SB", /* dfkaisb.ttf */ + "DFKaiShu", + "DFKai-SB", /* kaiu.ttf; version 3.00, 1998 [DFKaiShu-SB-Estd-BF] */ + "DLC", /* dftt-m7.ttf; version 1.00, 1993 [DLCMingBold] */ + /* dftt-f5.ttf; version 1.00, 1993 [DLCFongSung] */ + "DLCHayMedium", /* dftt-b5.ttf; version 1.00, 1993 */ + "DLCHayBold", /* dftt-b7.ttf; version 1.00, 1993 */ + "DLCKaiMedium", /* dftt-k5.ttf; version 1.00, 1992 */ + "DLCLiShu", /* dftt-l5.ttf; version 1.00, 1992 */ + "DLCRoundBold", /* dftt-r7.ttf; version 1.00, 1993 */ + "HuaTianKaiTi?", /* htkt2.ttf */ + "HuaTianSongTi?", /* htst3.ttf */ + "Ming(for ISO10646)", /* hkscsiic.ttf; version 0.12, 2007 [Ming] */ + /* iicore.ttf; version 0.07, 2007 [Ming] */ + "MingLiU", /* mingliu.ttf */ + /* mingliu.ttc; version 3.21, 2001 */ + "MingMedium", /* dftt-m5.ttf; version 1.00, 1993 [DLCMingMedium] */ + "PMingLiU", /* mingliu.ttc; version 3.21, 2001 */ + "MingLi43", /* mingli.ttf; version 1.00, 1992 */ + }; + + int nn; + + + for ( nn = 0; nn < TRICK_NAMES_COUNT; nn++ ) + if ( ft_strstr( name, trick_names[nn] ) ) + return TRUE; + + return FALSE; + } + + + /* XXX: This function should be in the `sfnt' module. */ + + /* Some PDF generators clear the checksums in the TrueType header table. */ + /* For example, Quartz ContextPDF clears all entries, or Bullzip PDF */ + /* Printer clears the entries for subsetted subtables. We thus have to */ + /* recalculate the checksums where necessary. */ + + static FT_UInt32 + tt_synth_sfnt_checksum( FT_Stream stream, + FT_ULong length ) + { + FT_Error error; + FT_UInt32 checksum = 0; + FT_UInt i; + + + if ( FT_FRAME_ENTER( length ) ) + return 0; + + for ( ; length > 3; length -= 4 ) + checksum += (FT_UInt32)FT_GET_ULONG(); + + for ( i = 3; length > 0; length--, i-- ) + checksum += (FT_UInt32)FT_GET_BYTE() << ( i * 8 ); + + FT_FRAME_EXIT(); + + return checksum; + } + + + /* XXX: This function should be in the `sfnt' module. */ + + static FT_ULong + tt_get_sfnt_checksum( TT_Face face, + FT_UShort i ) + { +#if 0 /* if we believe the written value, use following part. */ + if ( face->dir_tables[i].CheckSum ) + return face->dir_tables[i].CheckSum; +#endif + + if ( !face->goto_table ) + return 0; + + if ( face->goto_table( face, + face->dir_tables[i].Tag, + face->root.stream, + NULL ) ) + return 0; + + return (FT_ULong)tt_synth_sfnt_checksum( face->root.stream, + face->dir_tables[i].Length ); + } + + + typedef struct tt_sfnt_id_rec_ + { + FT_ULong CheckSum; + FT_ULong Length; + + } tt_sfnt_id_rec; + + + static FT_Bool + tt_check_trickyness_sfnt_ids( TT_Face face ) + { +#define TRICK_SFNT_IDS_PER_FACE 3 +#define TRICK_SFNT_IDS_NUM_FACES 26 + + static const tt_sfnt_id_rec sfnt_id[TRICK_SFNT_IDS_NUM_FACES] + [TRICK_SFNT_IDS_PER_FACE] = { + +#define TRICK_SFNT_ID_cvt 0 +#define TRICK_SFNT_ID_fpgm 1 +#define TRICK_SFNT_ID_prep 2 + + { /* MingLiU 1995 */ + { 0x05BCF058UL, 0x000002E4UL }, /* cvt */ + { 0x28233BF1UL, 0x000087C4UL }, /* fpgm */ + { 0xA344A1EAUL, 0x000001E1UL } /* prep */ + }, + { /* MingLiU 1996- */ + { 0x05BCF058UL, 0x000002E4UL }, /* cvt */ + { 0x28233BF1UL, 0x000087C4UL }, /* fpgm */ + { 0xA344A1EBUL, 0x000001E1UL } /* prep */ + }, + { /* DFGothic-EB */ + { 0x12C3EBB2UL, 0x00000350UL }, /* cvt */ + { 0xB680EE64UL, 0x000087A7UL }, /* fpgm */ + { 0xCE939563UL, 0x00000758UL } /* prep */ + }, + { /* DFGyoSho-Lt */ + { 0x11E5EAD4UL, 0x00000350UL }, /* cvt */ + { 0xCE5956E9UL, 0x0000BC85UL }, /* fpgm */ + { 0x8272F416UL, 0x00000045UL } /* prep */ + }, + { /* DFHSGothic-W5 */ + { 0x1262EB4EUL, 0x00000350UL }, /* cvt */ + { 0xE86A5D64UL, 0x00007940UL }, /* fpgm */ + { 0x7850F729UL, 0x000005FFUL } /* prep */ + }, + { /* DFHSMincho-W3 */ + { 0x122DEB0AUL, 0x00000350UL }, /* cvt */ + { 0x3D16328AUL, 0x0000859BUL }, /* fpgm */ + { 0xA93FC33BUL, 0x000002CBUL } /* prep */ + }, + { /* DFHSMincho-W7 */ + { 0x125FEB26UL, 0x00000350UL }, /* cvt */ + { 0xA5ACC982UL, 0x00007EE1UL }, /* fpgm */ + { 0x90999196UL, 0x0000041FUL } /* prep */ + }, + { /* DFKaiShu */ + { 0x11E5EAD4UL, 0x00000350UL }, /* cvt */ + { 0x5A30CA3BUL, 0x00009063UL }, /* fpgm */ + { 0x13A42602UL, 0x0000007EUL } /* prep */ + }, + { /* DFKaiShu, variant */ + { 0x11E5EAD4UL, 0x00000350UL }, /* cvt */ + { 0xA6E78C01UL, 0x00008998UL }, /* fpgm */ + { 0x13A42602UL, 0x0000007EUL } /* prep */ + }, + { /* DLCLiShu */ + { 0x07DCF546UL, 0x00000308UL }, /* cvt */ + { 0x40FE7C90UL, 0x00008E2AUL }, /* fpgm */ + { 0x608174B5UL, 0x0000007AUL } /* prep */ + }, + { /* DLCHayBold */ + { 0xEB891238UL, 0x00000308UL }, /* cvt */ + { 0xD2E4DCD4UL, 0x0000676FUL }, /* fpgm */ + { 0x8EA5F293UL, 0x000003B8UL } /* prep */ + }, + { /* HuaTianKaiTi */ + { 0xFFFBFFFCUL, 0x00000008UL }, /* cvt */ + { 0x9C9E48B8UL, 0x0000BEA2UL }, /* fpgm */ + { 0x70020112UL, 0x00000008UL } /* prep */ + }, + { /* HuaTianSongTi */ + { 0xFFFBFFFCUL, 0x00000008UL }, /* cvt */ + { 0x0A5A0483UL, 0x00017C39UL }, /* fpgm */ + { 0x70020112UL, 0x00000008UL } /* prep */ + }, + { /* NEC fadpop7.ttf */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x40C92555UL, 0x000000E5UL }, /* fpgm */ + { 0xA39B58E3UL, 0x0000117CUL } /* prep */ + }, + { /* NEC fadrei5.ttf */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x33C41652UL, 0x000000E5UL }, /* fpgm */ + { 0x26D6C52AUL, 0x00000F6AUL } /* prep */ + }, + { /* NEC fangot7.ttf */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x6DB1651DUL, 0x0000019DUL }, /* fpgm */ + { 0x6C6E4B03UL, 0x00002492UL } /* prep */ + }, + { /* NEC fangyo5.ttf */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x40C92555UL, 0x000000E5UL }, /* fpgm */ + { 0xDE51FAD0UL, 0x0000117CUL } /* prep */ + }, + { /* NEC fankyo5.ttf */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x85E47664UL, 0x000000E5UL }, /* fpgm */ + { 0xA6C62831UL, 0x00001CAAUL } /* prep */ + }, + { /* NEC fanrgo5.ttf */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x2D891CFDUL, 0x0000019DUL }, /* fpgm */ + { 0xA0604633UL, 0x00001DE8UL } /* prep */ + }, + { /* NEC fangot5.ttc */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x40AA774CUL, 0x000001CBUL }, /* fpgm */ + { 0x9B5CAA96UL, 0x00001F9AUL } /* prep */ + }, + { /* NEC fanmin3.ttc */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x0D3DE9CBUL, 0x00000141UL }, /* fpgm */ + { 0xD4127766UL, 0x00002280UL } /* prep */ + }, + { /* NEC FA-Gothic, 1996 */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x4A692698UL, 0x000001F0UL }, /* fpgm */ + { 0x340D4346UL, 0x00001FCAUL } /* prep */ + }, + { /* NEC FA-Minchou, 1996 */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0xCD34C604UL, 0x00000166UL }, /* fpgm */ + { 0x6CF31046UL, 0x000022B0UL } /* prep */ + }, + { /* NEC FA-RoundGothicB, 1996 */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x5DA75315UL, 0x0000019DUL }, /* fpgm */ + { 0x40745A5FUL, 0x000022E0UL } /* prep */ + }, + { /* NEC FA-RoundGothicM, 1996 */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0xF055FC48UL, 0x000001C2UL }, /* fpgm */ + { 0x3900DED3UL, 0x00001E18UL } /* prep */ + }, + { /* MINGLI.TTF, 1992 */ + { 0x00170003UL, 0x00000060UL }, /* cvt */ + { 0xDBB4306EUL, 0x000058AAUL }, /* fpgm */ + { 0xD643482AUL, 0x00000035UL } /* prep */ + } + }; + + FT_ULong checksum; + int num_matched_ids[TRICK_SFNT_IDS_NUM_FACES]; + FT_Bool has_cvt, has_fpgm, has_prep; + FT_UShort i; + int j, k; + + + FT_MEM_SET( num_matched_ids, 0, + sizeof ( int ) * TRICK_SFNT_IDS_NUM_FACES ); + has_cvt = FALSE; + has_fpgm = FALSE; + has_prep = FALSE; + + for ( i = 0; i < face->num_tables; i++ ) + { + checksum = 0; + + switch( face->dir_tables[i].Tag ) + { + case TTAG_cvt: + k = TRICK_SFNT_ID_cvt; + has_cvt = TRUE; + break; + + case TTAG_fpgm: + k = TRICK_SFNT_ID_fpgm; + has_fpgm = TRUE; + break; + + case TTAG_prep: + k = TRICK_SFNT_ID_prep; + has_prep = TRUE; + break; + + default: + continue; + } + + for ( j = 0; j < TRICK_SFNT_IDS_NUM_FACES; j++ ) + if ( face->dir_tables[i].Length == sfnt_id[j][k].Length ) + { + if ( !checksum ) + checksum = tt_get_sfnt_checksum( face, i ); + + if ( sfnt_id[j][k].CheckSum == checksum ) + num_matched_ids[j]++; + + if ( num_matched_ids[j] == TRICK_SFNT_IDS_PER_FACE ) + return TRUE; + } + } + + for ( j = 0; j < TRICK_SFNT_IDS_NUM_FACES; j++ ) + { + if ( !has_cvt && !sfnt_id[j][TRICK_SFNT_ID_cvt].Length ) + num_matched_ids[j]++; + if ( !has_fpgm && !sfnt_id[j][TRICK_SFNT_ID_fpgm].Length ) + num_matched_ids[j]++; + if ( !has_prep && !sfnt_id[j][TRICK_SFNT_ID_prep].Length ) + num_matched_ids[j]++; + if ( num_matched_ids[j] == TRICK_SFNT_IDS_PER_FACE ) + return TRUE; + } + + return FALSE; + } + + + static FT_Bool + tt_check_trickyness( FT_Face face ) + { + if ( !face ) + return FALSE; + + /* For first, check the face name for quick check. */ + if ( face->family_name && + tt_check_trickyness_family( face->family_name ) ) + return TRUE; + + /* Type42 fonts may lack `name' tables, we thus try to identify */ + /* tricky fonts by checking the checksums of Type42-persistent */ + /* sfnt tables (`cvt', `fpgm', and `prep'). */ + if ( tt_check_trickyness_sfnt_ids( (TT_Face)face ) ) + return TRUE; + + return FALSE; + } + + + /* Check whether `.notdef' is the only glyph in the `loca' table. */ + static FT_Bool + tt_check_single_notdef( FT_Face ttface ) + { + FT_Bool result = FALSE; + + TT_Face face = (TT_Face)ttface; + FT_UInt asize; + FT_ULong i; + FT_ULong glyph_index = 0; + FT_UInt count = 0; + + + for( i = 0; i < face->num_locations; i++ ) + { + tt_face_get_location( face, i, &asize ); + if ( asize > 0 ) + { + count += 1; + if ( count > 1 ) + break; + glyph_index = i; + } + } + + /* Only have a single outline. */ + if ( count == 1 ) + { + if ( glyph_index == 0 ) + result = TRUE; + else + { + /* FIXME: Need to test glyphname == .notdef ? */ + FT_Error error; + char buf[8]; + + + error = FT_Get_Glyph_Name( ttface, glyph_index, buf, 8 ); + if ( !error && + buf[0] == '.' && !ft_strncmp( buf, ".notdef", 8 ) ) + result = TRUE; + } + } + + return result; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_init */ + /* */ + /* <Description> */ + /* Initialize a given TrueType face object. */ + /* */ + /* <Input> */ + /* stream :: The source font stream. */ + /* */ + /* face_index :: The index of the TrueType font, if we are opening a */ + /* collection, in bits 0-15. The numbered instance */ + /* index~+~1 of a GX (sub)font, if applicable, in bits */ + /* 16-30. */ + /* */ + /* num_params :: Number of additional generic parameters. Ignored. */ + /* */ + /* params :: Additional generic parameters. Ignored. */ + /* */ + /* <InOut> */ + /* face :: The newly built face object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_init( FT_Stream stream, + FT_Face ttface, /* TT_Face */ + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ) + { + FT_Error error; + FT_Library library; + SFNT_Service sfnt; + TT_Face face = (TT_Face)ttface; + + + FT_TRACE2(( "TTF driver\n" )); + + library = ttface->driver->root.library; + + sfnt = (SFNT_Service)FT_Get_Module_Interface( library, "sfnt" ); + if ( !sfnt ) + { + FT_ERROR(( "tt_face_init: cannot access `sfnt' module\n" )); + error = FT_THROW( Missing_Module ); + goto Exit; + } + + /* create input stream from resource */ + if ( FT_STREAM_SEEK( 0 ) ) + goto Exit; + + /* check that we have a valid TrueType file */ + FT_TRACE2(( " " )); + error = sfnt->init_face( stream, face, face_index, num_params, params ); + + /* Stream may have changed. */ + stream = face->root.stream; + + if ( error ) + goto Exit; + + /* We must also be able to accept Mac/GX fonts, as well as OT ones. */ + /* The 0x00020000 tag is completely undocumented; some fonts from */ + /* Arphic made for Chinese Windows 3.1 have this. */ + if ( face->format_tag != 0x00010000L && /* MS fonts */ + face->format_tag != 0x00020000L && /* CJK fonts for Win 3.1 */ + face->format_tag != TTAG_true && /* Mac fonts */ + face->format_tag != TTAG_0xA5kbd && /* `Keyboard.dfont' (legacy Mac OS X) */ + face->format_tag != TTAG_0xA5lst ) /* `LastResort.dfont' (legacy Mac OS X) */ + { + FT_TRACE2(( " not a TTF font\n" )); + goto Bad_Format; + } + +#ifdef TT_USE_BYTECODE_INTERPRETER + ttface->face_flags |= FT_FACE_FLAG_HINTER; +#endif + + /* If we are performing a simple font format check, exit immediately. */ + if ( face_index < 0 ) + return FT_Err_Ok; + + /* Load font directory */ + error = sfnt->load_face( stream, face, face_index, num_params, params ); + if ( error ) + goto Exit; + + if ( tt_check_trickyness( ttface ) ) + ttface->face_flags |= FT_FACE_FLAG_TRICKY; + + error = tt_face_load_hdmx( face, stream ); + if ( error ) + goto Exit; + + if ( FT_IS_SCALABLE( ttface ) ) + { +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( !ttface->internal->incremental_interface ) +#endif + { + error = tt_face_load_loca( face, stream ); + + /* having a (non-zero) `glyf' table without */ + /* a `loca' table is not valid */ + if ( face->glyf_len && FT_ERR_EQ( error, Table_Missing ) ) + goto Exit; + if ( error ) + goto Exit; + } + + /* `fpgm', `cvt', and `prep' are optional */ + error = tt_face_load_cvt( face, stream ); + if ( error && FT_ERR_NEQ( error, Table_Missing ) ) + goto Exit; + + error = tt_face_load_fpgm( face, stream ); + if ( error && FT_ERR_NEQ( error, Table_Missing ) ) + goto Exit; + + error = tt_face_load_prep( face, stream ); + if ( error && FT_ERR_NEQ( error, Table_Missing ) ) + goto Exit; + + /* Check the scalable flag based on `loca'. */ +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( !ttface->internal->incremental_interface ) +#endif + { + if ( ttface->num_fixed_sizes && + face->glyph_locations && + tt_check_single_notdef( ttface ) ) + { + FT_TRACE5(( "tt_face_init:" + " Only the `.notdef' glyph has an outline.\n" + " " + " Resetting scalable flag to FALSE.\n" )); + + ttface->face_flags &= ~FT_FACE_FLAG_SCALABLE; + } + } + } + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + + { + FT_UInt instance_index = (FT_UInt)face_index >> 16; + + + if ( FT_HAS_MULTIPLE_MASTERS( ttface ) && + instance_index > 0 ) + { + error = TT_Set_Named_Instance( face, instance_index ); + if ( error ) + goto Exit; + + tt_apply_mvar( face ); + } + } + +#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */ + + /* initialize standard glyph loading routines */ + TT_Init_Glyph_Loading( face ); + + Exit: + return error; + + Bad_Format: + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_done */ + /* */ + /* <Description> */ + /* Finalize a given face object. */ + /* */ + /* <Input> */ + /* face :: A pointer to the face object to destroy. */ + /* */ + FT_LOCAL_DEF( void ) + tt_face_done( FT_Face ttface ) /* TT_Face */ + { + TT_Face face = (TT_Face)ttface; + FT_Memory memory; + FT_Stream stream; + SFNT_Service sfnt; + + + if ( !face ) + return; + + memory = ttface->memory; + stream = ttface->stream; + sfnt = (SFNT_Service)face->sfnt; + + /* for `extended TrueType formats' (i.e. compressed versions) */ + if ( face->extra.finalizer ) + face->extra.finalizer( face->extra.data ); + + if ( sfnt ) + sfnt->done_face( face ); + + /* freeing the locations table */ + tt_face_done_loca( face ); + + tt_face_free_hdmx( face ); + + /* freeing the CVT */ + FT_FREE( face->cvt ); + face->cvt_size = 0; + + /* freeing the programs */ + FT_FRAME_RELEASE( face->font_program ); + FT_FRAME_RELEASE( face->cvt_program ); + face->font_program_size = 0; + face->cvt_program_size = 0; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + tt_done_blend( face ); + face->blend = NULL; +#endif + } + + + /*************************************************************************/ + /* */ + /* SIZE FUNCTIONS */ + /* */ + /*************************************************************************/ + +#ifdef TT_USE_BYTECODE_INTERPRETER + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_size_run_fpgm */ + /* */ + /* <Description> */ + /* Run the font program. */ + /* */ + /* <Input> */ + /* size :: A handle to the size object. */ + /* */ + /* pedantic :: Set if bytecode execution should be pedantic. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_size_run_fpgm( TT_Size size, + FT_Bool pedantic ) + { + TT_Face face = (TT_Face)size->root.face; + TT_ExecContext exec; + FT_Error error; + + + exec = size->context; + + error = TT_Load_Context( exec, face, size ); + if ( error ) + return error; + + exec->callTop = 0; + exec->top = 0; + + exec->period = 64; + exec->phase = 0; + exec->threshold = 0; + + exec->instruction_trap = FALSE; + exec->F_dot_P = 0x4000L; + + exec->pedantic_hinting = pedantic; + + { + FT_Size_Metrics* size_metrics = &exec->metrics; + TT_Size_Metrics* tt_metrics = &exec->tt_metrics; + + + size_metrics->x_ppem = 0; + size_metrics->y_ppem = 0; + size_metrics->x_scale = 0; + size_metrics->y_scale = 0; + + tt_metrics->ppem = 0; + tt_metrics->scale = 0; + tt_metrics->ratio = 0x10000L; + } + + /* allow font program execution */ + TT_Set_CodeRange( exec, + tt_coderange_font, + face->font_program, + (FT_Long)face->font_program_size ); + + /* disable CVT and glyph programs coderange */ + TT_Clear_CodeRange( exec, tt_coderange_cvt ); + TT_Clear_CodeRange( exec, tt_coderange_glyph ); + + if ( face->font_program_size > 0 ) + { + TT_Goto_CodeRange( exec, tt_coderange_font, 0 ); + + FT_TRACE4(( "Executing `fpgm' table.\n" )); + error = face->interpreter( exec ); +#ifdef FT_DEBUG_LEVEL_TRACE + if ( error ) + FT_TRACE4(( " interpretation failed with error code 0x%x\n", + error )); +#endif + } + else + error = FT_Err_Ok; + + size->bytecode_ready = error; + + if ( !error ) + TT_Save_Context( exec, size ); + + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_size_run_prep */ + /* */ + /* <Description> */ + /* Run the control value program. */ + /* */ + /* <Input> */ + /* size :: A handle to the size object. */ + /* */ + /* pedantic :: Set if bytecode execution should be pedantic. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_size_run_prep( TT_Size size, + FT_Bool pedantic ) + { + TT_Face face = (TT_Face)size->root.face; + TT_ExecContext exec; + FT_Error error; + + + exec = size->context; + + error = TT_Load_Context( exec, face, size ); + if ( error ) + return error; + + exec->callTop = 0; + exec->top = 0; + + exec->instruction_trap = FALSE; + + exec->pedantic_hinting = pedantic; + + TT_Set_CodeRange( exec, + tt_coderange_cvt, + face->cvt_program, + (FT_Long)face->cvt_program_size ); + + TT_Clear_CodeRange( exec, tt_coderange_glyph ); + + if ( face->cvt_program_size > 0 ) + { + TT_Goto_CodeRange( exec, tt_coderange_cvt, 0 ); + + FT_TRACE4(( "Executing `prep' table.\n" )); + error = face->interpreter( exec ); +#ifdef FT_DEBUG_LEVEL_TRACE + if ( error ) + FT_TRACE4(( " interpretation failed with error code 0x%x\n", + error )); +#endif + } + else + error = FT_Err_Ok; + + size->cvt_ready = error; + + /* UNDOCUMENTED! The MS rasterizer doesn't allow the following */ + /* graphics state variables to be modified by the CVT program. */ + + exec->GS.dualVector.x = 0x4000; + exec->GS.dualVector.y = 0; + exec->GS.projVector.x = 0x4000; + exec->GS.projVector.y = 0x0; + exec->GS.freeVector.x = 0x4000; + exec->GS.freeVector.y = 0x0; + + exec->GS.rp0 = 0; + exec->GS.rp1 = 0; + exec->GS.rp2 = 0; + + exec->GS.gep0 = 1; + exec->GS.gep1 = 1; + exec->GS.gep2 = 1; + + exec->GS.loop = 1; + + /* save as default graphics state */ + size->GS = exec->GS; + + TT_Save_Context( exec, size ); + + return error; + } + + + static void + tt_size_done_bytecode( FT_Size ftsize ) + { + TT_Size size = (TT_Size)ftsize; + TT_Face face = (TT_Face)ftsize->face; + FT_Memory memory = face->root.memory; + + if ( size->context ) + { + TT_Done_Context( size->context ); + size->context = NULL; + } + + FT_FREE( size->cvt ); + size->cvt_size = 0; + + /* free storage area */ + FT_FREE( size->storage ); + size->storage_size = 0; + + /* twilight zone */ + tt_glyphzone_done( &size->twilight ); + + FT_FREE( size->function_defs ); + FT_FREE( size->instruction_defs ); + + size->num_function_defs = 0; + size->max_function_defs = 0; + size->num_instruction_defs = 0; + size->max_instruction_defs = 0; + + size->max_func = 0; + size->max_ins = 0; + + size->bytecode_ready = -1; + size->cvt_ready = -1; + } + + + /* Initialize bytecode-related fields in the size object. */ + /* We do this only if bytecode interpretation is really needed. */ + static FT_Error + tt_size_init_bytecode( FT_Size ftsize, + FT_Bool pedantic ) + { + FT_Error error; + TT_Size size = (TT_Size)ftsize; + TT_Face face = (TT_Face)ftsize->face; + FT_Memory memory = face->root.memory; + + FT_UShort n_twilight; + TT_MaxProfile* maxp = &face->max_profile; + + + /* clean up bytecode related data */ + FT_FREE( size->function_defs ); + FT_FREE( size->instruction_defs ); + FT_FREE( size->cvt ); + FT_FREE( size->storage ); + + if ( size->context ) + TT_Done_Context( size->context ); + tt_glyphzone_done( &size->twilight ); + + size->bytecode_ready = -1; + size->cvt_ready = -1; + + size->context = TT_New_Context( (TT_Driver)face->root.driver ); + + size->max_function_defs = maxp->maxFunctionDefs; + size->max_instruction_defs = maxp->maxInstructionDefs; + + size->num_function_defs = 0; + size->num_instruction_defs = 0; + + size->max_func = 0; + size->max_ins = 0; + + size->cvt_size = face->cvt_size; + size->storage_size = maxp->maxStorage; + + /* Set default metrics */ + { + TT_Size_Metrics* tt_metrics = &size->ttmetrics; + + + tt_metrics->rotated = FALSE; + tt_metrics->stretched = FALSE; + + /* set default engine compensation */ + tt_metrics->compensations[0] = 0; /* gray */ + tt_metrics->compensations[1] = 0; /* black */ + tt_metrics->compensations[2] = 0; /* white */ + tt_metrics->compensations[3] = 0; /* reserved */ + } + + /* allocate function defs, instruction defs, cvt, and storage area */ + if ( FT_NEW_ARRAY( size->function_defs, size->max_function_defs ) || + FT_NEW_ARRAY( size->instruction_defs, size->max_instruction_defs ) || + FT_NEW_ARRAY( size->cvt, size->cvt_size ) || + FT_NEW_ARRAY( size->storage, size->storage_size ) ) + goto Exit; + + /* reserve twilight zone */ + n_twilight = maxp->maxTwilightPoints; + + /* there are 4 phantom points (do we need this?) */ + n_twilight += 4; + + error = tt_glyphzone_new( memory, n_twilight, 0, &size->twilight ); + if ( error ) + goto Exit; + + size->twilight.n_points = n_twilight; + + size->GS = tt_default_graphics_state; + + /* set `face->interpreter' according to the debug hook present */ + { + FT_Library library = face->root.driver->root.library; + + + face->interpreter = (TT_Interpreter) + library->debug_hooks[FT_DEBUG_HOOK_TRUETYPE]; + if ( !face->interpreter ) + face->interpreter = (TT_Interpreter)TT_RunIns; + } + + /* Fine, now run the font program! */ + + /* In case of an error while executing `fpgm', we intentionally don't */ + /* clean up immediately – bugs in the `fpgm' are so fundamental that */ + /* all following hinting calls should fail. Additionally, `fpgm' is */ + /* to be executed just once; calling it again is completely useless */ + /* and might even lead to extremely slow behaviour if it is malformed */ + /* (containing an infinite loop, for example). */ + error = tt_size_run_fpgm( size, pedantic ); + return error; + + Exit: + if ( error ) + tt_size_done_bytecode( ftsize ); + + return error; + } + + + FT_LOCAL_DEF( FT_Error ) + tt_size_ready_bytecode( TT_Size size, + FT_Bool pedantic ) + { + FT_Error error = FT_Err_Ok; + + + if ( size->bytecode_ready < 0 ) + error = tt_size_init_bytecode( (FT_Size)size, pedantic ); + else + error = size->bytecode_ready; + + if ( error ) + goto Exit; + + /* rescale CVT when needed */ + if ( size->cvt_ready < 0 ) + { + FT_UInt i; + TT_Face face = (TT_Face)size->root.face; + + + /* Scale the cvt values to the new ppem. */ + /* We use by default the y ppem to scale the CVT. */ + for ( i = 0; i < size->cvt_size; i++ ) + size->cvt[i] = FT_MulFix( face->cvt[i], size->ttmetrics.scale ); + + /* all twilight points are originally zero */ + for ( i = 0; i < (FT_UInt)size->twilight.n_points; i++ ) + { + size->twilight.org[i].x = 0; + size->twilight.org[i].y = 0; + size->twilight.cur[i].x = 0; + size->twilight.cur[i].y = 0; + } + + /* clear storage area */ + for ( i = 0; i < (FT_UInt)size->storage_size; i++ ) + size->storage[i] = 0; + + size->GS = tt_default_graphics_state; + + error = tt_size_run_prep( size, pedantic ); + } + else + error = size->cvt_ready; + + Exit: + return error; + } + +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_size_init */ + /* */ + /* <Description> */ + /* Initialize a new TrueType size object. */ + /* */ + /* <InOut> */ + /* size :: A handle to the size object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_size_init( FT_Size ttsize ) /* TT_Size */ + { + TT_Size size = (TT_Size)ttsize; + FT_Error error = FT_Err_Ok; + + +#ifdef TT_USE_BYTECODE_INTERPRETER + size->bytecode_ready = -1; + size->cvt_ready = -1; +#endif + + size->ttmetrics.valid = FALSE; + size->strike_index = 0xFFFFFFFFUL; + + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_size_done */ + /* */ + /* <Description> */ + /* The TrueType size object finalizer. */ + /* */ + /* <Input> */ + /* size :: A handle to the target size object. */ + /* */ + FT_LOCAL_DEF( void ) + tt_size_done( FT_Size ttsize ) /* TT_Size */ + { + TT_Size size = (TT_Size)ttsize; + + +#ifdef TT_USE_BYTECODE_INTERPRETER + tt_size_done_bytecode( ttsize ); +#endif + + size->ttmetrics.valid = FALSE; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_size_reset */ + /* */ + /* <Description> */ + /* Reset a TrueType size when resolutions and character dimensions */ + /* have been changed. */ + /* */ + /* <Input> */ + /* size :: A handle to the target size object. */ + /* */ + /* only_height :: Only recompute ascender, descender, and height; */ + /* this flag is used for variation fonts where */ + /* `tt_size_reset' is used as an iterator function. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_size_reset( TT_Size size, + FT_Bool only_height ) + { + TT_Face face; + FT_Size_Metrics* size_metrics; + + + face = (TT_Face)size->root.face; + + /* nothing to do for CFF2 */ + if ( face->is_cff2 ) + return FT_Err_Ok; + + size->ttmetrics.valid = FALSE; + + size_metrics = &size->hinted_metrics; + + /* copy the result from base layer */ + *size_metrics = size->root.metrics; + + if ( size_metrics->x_ppem < 1 || size_metrics->y_ppem < 1 ) + return FT_THROW( Invalid_PPem ); + + /* This bit flag, if set, indicates that the ppems must be */ + /* rounded to integers. Nearly all TrueType fonts have this bit */ + /* set, as hinting won't work really well otherwise. */ + /* */ + if ( face->header.Flags & 8 ) + { + /* the TT spec always asks for ROUND, not FLOOR or CEIL */ + size_metrics->ascender = FT_PIX_ROUND( + FT_MulFix( face->root.ascender, + size_metrics->y_scale ) ); + size_metrics->descender = FT_PIX_ROUND( + FT_MulFix( face->root.descender, + size_metrics->y_scale ) ); + size_metrics->height = FT_PIX_ROUND( + FT_MulFix( face->root.height, + size_metrics->y_scale ) ); + } + + size->ttmetrics.valid = TRUE; + + if ( only_height ) + { + /* we must not recompute the scaling values here since */ + /* `tt_size_reset' was already called (with only_height = 0) */ + return FT_Err_Ok; + } + + if ( face->header.Flags & 8 ) + { + /* base scaling values on integer ppem values, */ + /* as mandated by the TrueType specification */ + size_metrics->x_scale = FT_DivFix( size_metrics->x_ppem << 6, + face->root.units_per_EM ); + size_metrics->y_scale = FT_DivFix( size_metrics->y_ppem << 6, + face->root.units_per_EM ); + + size_metrics->max_advance = FT_PIX_ROUND( + FT_MulFix( face->root.max_advance_width, + size_metrics->x_scale ) ); + } + + /* compute new transformation */ + if ( size_metrics->x_ppem >= size_metrics->y_ppem ) + { + size->ttmetrics.scale = size_metrics->x_scale; + size->ttmetrics.ppem = size_metrics->x_ppem; + size->ttmetrics.x_ratio = 0x10000L; + size->ttmetrics.y_ratio = FT_DivFix( size_metrics->y_ppem, + size_metrics->x_ppem ); + } + else + { + size->ttmetrics.scale = size_metrics->y_scale; + size->ttmetrics.ppem = size_metrics->y_ppem; + size->ttmetrics.x_ratio = FT_DivFix( size_metrics->x_ppem, + size_metrics->y_ppem ); + size->ttmetrics.y_ratio = 0x10000L; + } + + size->metrics = size_metrics; + +#ifdef TT_USE_BYTECODE_INTERPRETER + size->cvt_ready = -1; +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_driver_init */ + /* */ + /* <Description> */ + /* Initialize a given TrueType driver object. */ + /* */ + /* <Input> */ + /* driver :: A handle to the target driver object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_driver_init( FT_Module ttdriver ) /* TT_Driver */ + { + +#ifdef TT_USE_BYTECODE_INTERPRETER + + TT_Driver driver = (TT_Driver)ttdriver; + + driver->interpreter_version = TT_INTERPRETER_VERSION_35; +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + driver->interpreter_version = TT_INTERPRETER_VERSION_38; +#endif +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL + driver->interpreter_version = TT_INTERPRETER_VERSION_40; +#endif + +#else /* !TT_USE_BYTECODE_INTERPRETER */ + + FT_UNUSED( ttdriver ); + +#endif /* !TT_USE_BYTECODE_INTERPRETER */ + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_driver_done */ + /* */ + /* <Description> */ + /* Finalize a given TrueType driver. */ + /* */ + /* <Input> */ + /* driver :: A handle to the target TrueType driver. */ + /* */ + FT_LOCAL_DEF( void ) + tt_driver_done( FT_Module ttdriver ) /* TT_Driver */ + { + FT_UNUSED( ttdriver ); + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_slot_init */ + /* */ + /* <Description> */ + /* Initialize a new slot object. */ + /* */ + /* <InOut> */ + /* slot :: A handle to the slot object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_slot_init( FT_GlyphSlot slot ) + { + return FT_GlyphLoader_CreateExtra( slot->internal->loader ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttobjs.h b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttobjs.h new file mode 100644 index 00000000000..38fa30e4e9f --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttobjs.h @@ -0,0 +1,425 @@ +/***************************************************************************/ +/* */ +/* ttobjs.h */ +/* */ +/* Objects manager (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTOBJS_H_ +#define TTOBJS_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_TRUETYPE_TYPES_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* TT_Driver */ + /* */ + /* <Description> */ + /* A handle to a TrueType driver object. */ + /* */ + typedef struct TT_DriverRec_* TT_Driver; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* TT_GlyphSlot */ + /* */ + /* <Description> */ + /* A handle to a TrueType glyph slot object. */ + /* */ + /* <Note> */ + /* This is a direct typedef of FT_GlyphSlot, as there is nothing */ + /* specific about the TrueType glyph slot. */ + /* */ + typedef FT_GlyphSlot TT_GlyphSlot; + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* TT_GraphicsState */ + /* */ + /* <Description> */ + /* The TrueType graphics state used during bytecode interpretation. */ + /* */ + typedef struct TT_GraphicsState_ + { + FT_UShort rp0; + FT_UShort rp1; + FT_UShort rp2; + + FT_UnitVector dualVector; + FT_UnitVector projVector; + FT_UnitVector freeVector; + + FT_Long loop; + FT_F26Dot6 minimum_distance; + FT_Int round_state; + + FT_Bool auto_flip; + FT_F26Dot6 control_value_cutin; + FT_F26Dot6 single_width_cutin; + FT_F26Dot6 single_width_value; + FT_UShort delta_base; + FT_UShort delta_shift; + + FT_Byte instruct_control; + /* According to Greg Hitchcock from Microsoft, the `scan_control' */ + /* variable as documented in the TrueType specification is a 32-bit */ + /* integer; the high-word part holds the SCANTYPE value, the low-word */ + /* part the SCANCTRL value. We separate it into two fields. */ + FT_Bool scan_control; + FT_Int scan_type; + + FT_UShort gep0; + FT_UShort gep1; + FT_UShort gep2; + + } TT_GraphicsState; + + +#ifdef TT_USE_BYTECODE_INTERPRETER + + FT_LOCAL( void ) + tt_glyphzone_done( TT_GlyphZone zone ); + + FT_LOCAL( FT_Error ) + tt_glyphzone_new( FT_Memory memory, + FT_UShort maxPoints, + FT_Short maxContours, + TT_GlyphZone zone ); + +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + + + /*************************************************************************/ + /* */ + /* EXECUTION SUBTABLES */ + /* */ + /* These sub-tables relate to instruction execution. */ + /* */ + /*************************************************************************/ + + +#define TT_MAX_CODE_RANGES 3 + + + /*************************************************************************/ + /* */ + /* There can only be 3 active code ranges at once: */ + /* - the Font Program */ + /* - the CVT Program */ + /* - a glyph's instructions set */ + /* */ + typedef enum TT_CodeRange_Tag_ + { + tt_coderange_none = 0, + tt_coderange_font, + tt_coderange_cvt, + tt_coderange_glyph + + } TT_CodeRange_Tag; + + + typedef struct TT_CodeRange_ + { + FT_Byte* base; + FT_Long size; + + } TT_CodeRange; + + typedef TT_CodeRange TT_CodeRangeTable[TT_MAX_CODE_RANGES]; + + + /*************************************************************************/ + /* */ + /* Defines a function/instruction definition record. */ + /* */ + typedef struct TT_DefRecord_ + { + FT_Int range; /* in which code range is it located? */ + FT_Long start; /* where does it start? */ + FT_Long end; /* where does it end? */ + FT_UInt opc; /* function #, or instruction code */ + FT_Bool active; /* is it active? */ + FT_Bool inline_delta; /* is function that defines inline delta? */ + FT_ULong sph_fdef_flags; /* flags to identify special functions */ + + } TT_DefRecord, *TT_DefArray; + + + /*************************************************************************/ + /* */ + /* Subglyph transformation record. */ + /* */ + typedef struct TT_Transform_ + { + FT_Fixed xx, xy; /* transformation matrix coefficients */ + FT_Fixed yx, yy; + FT_F26Dot6 ox, oy; /* offsets */ + + } TT_Transform; + + + /*************************************************************************/ + /* */ + /* A note regarding non-squared pixels: */ + /* */ + /* (This text will probably go into some docs at some time; for now, it */ + /* is kept here to explain some definitions in the TT_Size_Metrics */ + /* record). */ + /* */ + /* The CVT is a one-dimensional array containing values that control */ + /* certain important characteristics in a font, like the height of all */ + /* capitals, all lowercase letter, default spacing or stem width/height. */ + /* */ + /* These values are found in FUnits in the font file, and must be scaled */ + /* to pixel coordinates before being used by the CVT and glyph programs. */ + /* Unfortunately, when using distinct x and y resolutions (or distinct x */ + /* and y pointsizes), there are two possible scalings. */ + /* */ + /* A first try was to implement a `lazy' scheme where all values were */ + /* scaled when first used. However, while some values are always used */ + /* in the same direction, some others are used under many different */ + /* circumstances and orientations. */ + /* */ + /* I have found a simpler way to do the same, and it even seems to work */ + /* in most of the cases: */ + /* */ + /* - All CVT values are scaled to the maximum ppem size. */ + /* */ + /* - When performing a read or write in the CVT, a ratio factor is used */ + /* to perform adequate scaling. Example: */ + /* */ + /* x_ppem = 14 */ + /* y_ppem = 10 */ + /* */ + /* We choose ppem = x_ppem = 14 as the CVT scaling size. All cvt */ + /* entries are scaled to it. */ + /* */ + /* x_ratio = 1.0 */ + /* y_ratio = y_ppem/ppem (< 1.0) */ + /* */ + /* We compute the current ratio like: */ + /* */ + /* - If projVector is horizontal, */ + /* ratio = x_ratio = 1.0 */ + /* */ + /* - if projVector is vertical, */ + /* ratio = y_ratio */ + /* */ + /* - else, */ + /* ratio = sqrt( (proj.x * x_ratio) ^ 2 + (proj.y * y_ratio) ^ 2 ) */ + /* */ + /* Reading a cvt value returns */ + /* ratio * cvt[index] */ + /* */ + /* Writing a cvt value in pixels: */ + /* cvt[index] / ratio */ + /* */ + /* The current ppem is simply */ + /* ratio * ppem */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* Metrics used by the TrueType size and context objects. */ + /* */ + typedef struct TT_Size_Metrics_ + { + /* for non-square pixels */ + FT_Long x_ratio; + FT_Long y_ratio; + + FT_UShort ppem; /* maximum ppem size */ + FT_Long ratio; /* current ratio */ + FT_Fixed scale; + + FT_F26Dot6 compensations[4]; /* device-specific compensations */ + + FT_Bool valid; + + FT_Bool rotated; /* `is the glyph rotated?'-flag */ + FT_Bool stretched; /* `is the glyph stretched?'-flag */ + + } TT_Size_Metrics; + + + /*************************************************************************/ + /* */ + /* TrueType size class. */ + /* */ + typedef struct TT_SizeRec_ + { + FT_SizeRec root; + + /* we have our own copy of metrics so that we can modify */ + /* it without affecting auto-hinting (when used) */ + FT_Size_Metrics* metrics; /* for the current rendering mode */ + FT_Size_Metrics hinted_metrics; /* for the hinted rendering mode */ + + TT_Size_Metrics ttmetrics; + + FT_ULong strike_index; /* 0xFFFFFFFF to indicate invalid */ + +#ifdef TT_USE_BYTECODE_INTERPRETER + + FT_Long point_size; /* for the `MPS' bytecode instruction */ + + FT_UInt num_function_defs; /* number of function definitions */ + FT_UInt max_function_defs; + TT_DefArray function_defs; /* table of function definitions */ + + FT_UInt num_instruction_defs; /* number of ins. definitions */ + FT_UInt max_instruction_defs; + TT_DefArray instruction_defs; /* table of ins. definitions */ + + FT_UInt max_func; + FT_UInt max_ins; + + TT_CodeRangeTable codeRangeTable; + + TT_GraphicsState GS; + + FT_ULong cvt_size; /* the scaled control value table */ + FT_Long* cvt; + + FT_UShort storage_size; /* The storage area is now part of */ + FT_Long* storage; /* the instance */ + + TT_GlyphZoneRec twilight; /* The instance's twilight zone */ + + TT_ExecContext context; + + /* if negative, `fpgm' (resp. `prep'), wasn't executed yet; */ + /* otherwise it is the returned error code */ + FT_Error bytecode_ready; + FT_Error cvt_ready; + +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + } TT_SizeRec; + + + /*************************************************************************/ + /* */ + /* TrueType driver class. */ + /* */ + typedef struct TT_DriverRec_ + { + FT_DriverRec root; + + TT_GlyphZoneRec zone; /* glyph loader points zone */ + + FT_UInt interpreter_version; + + } TT_DriverRec; + + + /* Note: All of the functions below (except tt_size_reset()) are used */ + /* as function pointers in a FT_Driver_ClassRec. Therefore their */ + /* parameters are of types FT_Face, FT_Size, etc., rather than TT_Face, */ + /* TT_Size, etc., so that the compiler can confirm that the types and */ + /* number of parameters are correct. In all cases the FT_xxx types are */ + /* cast to their TT_xxx counterparts inside the functions since FreeType */ + /* will always use the TT driver to create them. */ + + + /*************************************************************************/ + /* */ + /* Face functions */ + /* */ + FT_LOCAL( FT_Error ) + tt_face_init( FT_Stream stream, + FT_Face ttface, /* TT_Face */ + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ); + + FT_LOCAL( void ) + tt_face_done( FT_Face ttface ); /* TT_Face */ + + + /*************************************************************************/ + /* */ + /* Size functions */ + /* */ + FT_LOCAL( FT_Error ) + tt_size_init( FT_Size ttsize ); /* TT_Size */ + + FT_LOCAL( void ) + tt_size_done( FT_Size ttsize ); /* TT_Size */ + +#ifdef TT_USE_BYTECODE_INTERPRETER + + FT_LOCAL( FT_Error ) + tt_size_run_fpgm( TT_Size size, + FT_Bool pedantic ); + + FT_LOCAL( FT_Error ) + tt_size_run_prep( TT_Size size, + FT_Bool pedantic ); + + FT_LOCAL( FT_Error ) + tt_size_ready_bytecode( TT_Size size, + FT_Bool pedantic ); + +#endif /* TT_USE_BYTECODE_INTERPRETER */ + + FT_LOCAL( FT_Error ) + tt_size_reset( TT_Size size, + FT_Bool only_height ); + + + /*************************************************************************/ + /* */ + /* Driver functions */ + /* */ + FT_LOCAL( FT_Error ) + tt_driver_init( FT_Module ttdriver ); /* TT_Driver */ + + FT_LOCAL( void ) + tt_driver_done( FT_Module ttdriver ); /* TT_Driver */ + + + /*************************************************************************/ + /* */ + /* Slot functions */ + /* */ + FT_LOCAL( FT_Error ) + tt_slot_init( FT_GlyphSlot slot ); + + + /* auxiliary */ +#define IS_HINTED( flags ) ( ( flags & FT_LOAD_NO_HINTING ) == 0 ) + + +FT_END_HEADER + +#endif /* TTOBJS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpic.c b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpic.c new file mode 100644 index 00000000000..cdbb80639e1 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpic.c @@ -0,0 +1,101 @@ +/***************************************************************************/ +/* */ +/* ttpic.c */ +/* */ +/* The FreeType position independent code services for truetype module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_INTERNAL_OBJECTS_H +#include "ttpic.h" +#include "tterrors.h" + + +#ifdef FT_CONFIG_OPTION_PIC + + /* forward declaration of PIC init functions from ttdriver.c */ + FT_Error + FT_Create_Class_tt_services( FT_Library library, + FT_ServiceDescRec** output_class ); + void + FT_Destroy_Class_tt_services( FT_Library library, + FT_ServiceDescRec* clazz ); + void + FT_Init_Class_tt_service_gx_multi_masters( + FT_Service_MultiMastersRec* sv_mm ); + void + FT_Init_Class_tt_service_truetype_glyf( + FT_Service_TTGlyfRec* sv_ttglyf ); + + + void + tt_driver_class_pic_free( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Memory memory = library->memory; + + + if ( pic_container->truetype ) + { + TTModulePIC* container = (TTModulePIC*)pic_container->truetype; + + + if ( container->tt_services ) + FT_Destroy_Class_tt_services( library, container->tt_services ); + container->tt_services = NULL; + FT_FREE( container ); + pic_container->truetype = NULL; + } + } + + + FT_Error + tt_driver_class_pic_init( FT_Library library ) + { + FT_PIC_Container* pic_container = &library->pic_container; + FT_Error error = FT_Err_Ok; + TTModulePIC* container = NULL; + FT_Memory memory = library->memory; + + + /* allocate pointer, clear and set global container pointer */ + if ( FT_ALLOC( container, sizeof ( *container ) ) ) + return error; + FT_MEM_SET( container, 0, sizeof ( *container ) ); + pic_container->truetype = container; + + /* initialize pointer table - this is how the module usually */ + /* expects this data */ + error = FT_Create_Class_tt_services( library, + &container->tt_services ); + if ( error ) + goto Exit; +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_Init_Class_tt_service_gx_multi_masters( + &container->tt_service_gx_multi_masters ); +#endif + FT_Init_Class_tt_service_truetype_glyf( + &container->tt_service_truetype_glyf ); + + Exit: + if ( error ) + tt_driver_class_pic_free( library ); + return error; + } + +#endif /* FT_CONFIG_OPTION_PIC */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpic.h b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpic.h new file mode 100644 index 00000000000..df878ae6f1d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpic.h @@ -0,0 +1,88 @@ +/***************************************************************************/ +/* */ +/* ttpic.h */ +/* */ +/* The FreeType position independent code services for truetype module. */ +/* */ +/* Copyright 2009-2018 by */ +/* Oran Agra and Mickey Gabel. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTPIC_H_ +#define TTPIC_H_ + + +#include FT_INTERNAL_PIC_H + + +#ifndef FT_CONFIG_OPTION_PIC + +#define TT_SERVICES_GET tt_services +#define TT_SERVICE_GX_MULTI_MASTERS_GET tt_service_gx_multi_masters +#define TT_SERVICE_METRICS_VARIATIONS_GET tt_service_metrics_variations +#define TT_SERVICE_TRUETYPE_GLYF_GET tt_service_truetype_glyf +#define TT_SERVICE_PROPERTIES_GET tt_service_properties + +#else /* FT_CONFIG_OPTION_PIC */ + +#include FT_MULTIPLE_MASTERS_H +#include FT_SERVICE_MULTIPLE_MASTERS_H +#include FT_SERVICE_METRICS_VARIATIONS_H +#include FT_SERVICE_TRUETYPE_GLYF_H +#include FT_SERVICE_PROPERTIES_H + + +FT_BEGIN_HEADER + + typedef struct TTModulePIC_ + { + FT_ServiceDescRec* tt_services; +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + FT_Service_MultiMastersRec tt_service_gx_multi_masters; + FT_Service_MetricsVariationsRec tt_service_metrics_variations; +#endif + FT_Service_TTGlyfRec tt_service_truetype_glyf; + FT_Service_PropertiesRec tt_service_properties; + + } TTModulePIC; + + +#define GET_PIC( lib ) \ + ( (TTModulePIC*)((lib)->pic_container.truetype) ) +#define TT_SERVICES_GET \ + ( GET_PIC( library )->tt_services ) +#define TT_SERVICE_METRICS_VARIATIONS_GET \ + ( GET_PIC( library )->tt_service_metrics_variations ) +#define TT_SERVICE_GX_MULTI_MASTERS_GET \ + ( GET_PIC( library )->tt_service_gx_multi_masters ) +#define TT_SERVICE_TRUETYPE_GLYF_GET \ + ( GET_PIC( library )->tt_service_truetype_glyf ) +#define TT_SERVICE_PROPERTIES_GET \ + ( GET_PIC( library )->tt_service_properties ) + + + /* see ttpic.c for the implementation */ + void + tt_driver_class_pic_free( FT_Library library ); + + FT_Error + tt_driver_class_pic_init( FT_Library library ); + +FT_END_HEADER + +#endif /* FT_CONFIG_OPTION_PIC */ + + /* */ + +#endif /* TTPIC_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpload.c b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpload.c new file mode 100644 index 00000000000..d9526ad082b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpload.c @@ -0,0 +1,642 @@ +/***************************************************************************/ +/* */ +/* ttpload.c */ +/* */ +/* TrueType-specific tables loader (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_TAGS_H + +#include "ttpload.h" + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT +#include "ttgxvar.h" +#endif + +#include "tterrors.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_ttpload + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_loca */ + /* */ + /* <Description> */ + /* Load the locations table. */ + /* */ + /* <InOut> */ + /* face :: A handle to the target face object. */ + /* */ + /* <Input> */ + /* stream :: The input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_loca( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + FT_ULong table_len; + FT_Int shift; + + + /* we need the size of the `glyf' table for malformed `loca' tables */ + error = face->goto_table( face, TTAG_glyf, stream, &face->glyf_len ); + + /* it is possible that a font doesn't have a glyf table at all */ + /* or its size is zero */ + if ( FT_ERR_EQ( error, Table_Missing ) ) + { + face->glyf_len = 0; + face->glyf_offset = 0; + } + else if ( error ) + goto Exit; + else + { +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( face->root.internal->incremental_interface ) + face->glyf_offset = 0; + else +#endif + face->glyf_offset = FT_STREAM_POS(); + } + + FT_TRACE2(( "Locations " )); + error = face->goto_table( face, TTAG_loca, stream, &table_len ); + if ( error ) + { + error = FT_THROW( Locations_Missing ); + goto Exit; + } + + if ( face->header.Index_To_Loc_Format != 0 ) + { + shift = 2; + + if ( table_len >= 0x40000L ) + { + FT_TRACE2(( "table too large\n" )); + table_len = 0x3FFFFL; + } + face->num_locations = table_len >> shift; + } + else + { + shift = 1; + + if ( table_len >= 0x20000L ) + { + FT_TRACE2(( "table too large\n" )); + table_len = 0x1FFFFL; + } + face->num_locations = table_len >> shift; + } + + if ( face->num_locations != (FT_ULong)face->root.num_glyphs + 1 ) + { + FT_TRACE2(( "glyph count mismatch! loca: %d, maxp: %d\n", + face->num_locations - 1, face->root.num_glyphs )); + + /* we only handle the case where `maxp' gives a larger value */ + if ( face->num_locations <= (FT_ULong)face->root.num_glyphs ) + { + FT_ULong new_loca_len = + ( (FT_ULong)face->root.num_glyphs + 1 ) << shift; + + TT_Table entry = face->dir_tables; + TT_Table limit = entry + face->num_tables; + + FT_Long pos = (FT_Long)FT_STREAM_POS(); + FT_Long dist = 0x7FFFFFFFL; + FT_Bool found = 0; + + + /* compute the distance to next table in font file */ + for ( ; entry < limit; entry++ ) + { + FT_Long diff = (FT_Long)entry->Offset - pos; + + + if ( diff > 0 && diff < dist ) + { + dist = diff; + found = 1; + } + } + + if ( !found ) + { + /* `loca' is the last table */ + dist = (FT_Long)stream->size - pos; + } + + if ( new_loca_len <= (FT_ULong)dist ) + { + face->num_locations = (FT_ULong)face->root.num_glyphs + 1; + table_len = new_loca_len; + + FT_TRACE2(( "adjusting num_locations to %d\n", + face->num_locations )); + } + else + { + face->root.num_glyphs = face->num_locations + ? (FT_Long)face->num_locations - 1 : 0; + + FT_TRACE2(( "adjusting num_glyphs to %d\n", + face->root.num_glyphs )); + } + } + } + + /* + * Extract the frame. We don't need to decompress it since + * we are able to parse it directly. + */ + if ( FT_FRAME_EXTRACT( table_len, face->glyph_locations ) ) + goto Exit; + + FT_TRACE2(( "loaded\n" )); + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_ULong ) + tt_face_get_location( TT_Face face, + FT_UInt gindex, + FT_UInt *asize ) + { + FT_ULong pos1, pos2; + FT_Byte* p; + FT_Byte* p_limit; + + + pos1 = pos2 = 0; + + if ( gindex < face->num_locations ) + { + if ( face->header.Index_To_Loc_Format != 0 ) + { + p = face->glyph_locations + gindex * 4; + p_limit = face->glyph_locations + face->num_locations * 4; + + pos1 = FT_NEXT_ULONG( p ); + pos2 = pos1; + + if ( p + 4 <= p_limit ) + pos2 = FT_NEXT_ULONG( p ); + } + else + { + p = face->glyph_locations + gindex * 2; + p_limit = face->glyph_locations + face->num_locations * 2; + + pos1 = FT_NEXT_USHORT( p ); + pos2 = pos1; + + if ( p + 2 <= p_limit ) + pos2 = FT_NEXT_USHORT( p ); + + pos1 <<= 1; + pos2 <<= 1; + } + } + + /* Check broken location data. */ + if ( pos1 > face->glyf_len ) + { + FT_TRACE1(( "tt_face_get_location:" + " too large offset (0x%08lx) found for glyph index %ld,\n" + " " + " exceeding the end of `glyf' table (0x%08lx)\n", + pos1, gindex, face->glyf_len )); + *asize = 0; + return 0; + } + + if ( pos2 > face->glyf_len ) + { + /* We try to sanitize the last `loca' entry. */ + if ( gindex == face->num_locations - 2 ) + { + FT_TRACE1(( "tt_face_get_location:" + " too large size (%ld bytes) found for glyph index %ld,\n" + " " + " truncating at the end of `glyf' table to %ld bytes\n", + pos2 - pos1, gindex, face->glyf_len - pos1 )); + pos2 = face->glyf_len; + } + else + { + FT_TRACE1(( "tt_face_get_location:" + " too large offset (0x%08lx) found for glyph index %ld,\n" + " " + " exceeding the end of `glyf' table (0x%08lx)\n", + pos2, gindex + 1, face->glyf_len )); + *asize = 0; + return 0; + } + } + + /* The `loca' table must be ordered; it refers to the length of */ + /* an entry as the difference between the current and the next */ + /* position. However, there do exist (malformed) fonts which */ + /* don't obey this rule, so we are only able to provide an */ + /* upper bound for the size. */ + /* */ + /* We get (intentionally) a wrong, non-zero result in case the */ + /* `glyf' table is missing. */ + if ( pos2 >= pos1 ) + *asize = (FT_UInt)( pos2 - pos1 ); + else + *asize = (FT_UInt)( face->glyf_len - pos1 ); + + return pos1; + } + + + FT_LOCAL_DEF( void ) + tt_face_done_loca( TT_Face face ) + { + FT_Stream stream = face->root.stream; + + + FT_FRAME_RELEASE( face->glyph_locations ); + face->num_locations = 0; + } + + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_cvt */ + /* */ + /* <Description> */ + /* Load the control value table into a face object. */ + /* */ + /* <InOut> */ + /* face :: A handle to the target face object. */ + /* */ + /* <Input> */ + /* stream :: A handle to the input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_cvt( TT_Face face, + FT_Stream stream ) + { +#ifdef TT_USE_BYTECODE_INTERPRETER + + FT_Error error; + FT_Memory memory = stream->memory; + FT_ULong table_len; + + + FT_TRACE2(( "CVT " )); + + error = face->goto_table( face, TTAG_cvt, stream, &table_len ); + if ( error ) + { + FT_TRACE2(( "is missing\n" )); + + face->cvt_size = 0; + face->cvt = NULL; + error = FT_Err_Ok; + + goto Exit; + } + + face->cvt_size = table_len / 2; + + if ( FT_NEW_ARRAY( face->cvt, face->cvt_size ) ) + goto Exit; + + if ( FT_FRAME_ENTER( face->cvt_size * 2L ) ) + goto Exit; + + { + FT_Short* cur = face->cvt; + FT_Short* limit = cur + face->cvt_size; + + + for ( ; cur < limit; cur++ ) + *cur = FT_GET_SHORT(); + } + + FT_FRAME_EXIT(); + FT_TRACE2(( "loaded\n" )); + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + if ( face->doblend ) + error = tt_face_vary_cvt( face, stream ); +#endif + + Exit: + return error; + +#else /* !TT_USE_BYTECODE_INTERPRETER */ + + FT_UNUSED( face ); + FT_UNUSED( stream ); + + return FT_Err_Ok; + +#endif + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_fpgm */ + /* */ + /* <Description> */ + /* Load the font program. */ + /* */ + /* <InOut> */ + /* face :: A handle to the target face object. */ + /* */ + /* <Input> */ + /* stream :: A handle to the input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_fpgm( TT_Face face, + FT_Stream stream ) + { +#ifdef TT_USE_BYTECODE_INTERPRETER + + FT_Error error; + FT_ULong table_len; + + + FT_TRACE2(( "Font program " )); + + /* The font program is optional */ + error = face->goto_table( face, TTAG_fpgm, stream, &table_len ); + if ( error ) + { + face->font_program = NULL; + face->font_program_size = 0; + error = FT_Err_Ok; + + FT_TRACE2(( "is missing\n" )); + } + else + { + face->font_program_size = table_len; + if ( FT_FRAME_EXTRACT( table_len, face->font_program ) ) + goto Exit; + + FT_TRACE2(( "loaded, %12d bytes\n", face->font_program_size )); + } + + Exit: + return error; + +#else /* !TT_USE_BYTECODE_INTERPRETER */ + + FT_UNUSED( face ); + FT_UNUSED( stream ); + + return FT_Err_Ok; + +#endif + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_prep */ + /* */ + /* <Description> */ + /* Load the cvt program. */ + /* */ + /* <InOut> */ + /* face :: A handle to the target face object. */ + /* */ + /* <Input> */ + /* stream :: A handle to the input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + tt_face_load_prep( TT_Face face, + FT_Stream stream ) + { +#ifdef TT_USE_BYTECODE_INTERPRETER + + FT_Error error; + FT_ULong table_len; + + + FT_TRACE2(( "Prep program " )); + + error = face->goto_table( face, TTAG_prep, stream, &table_len ); + if ( error ) + { + face->cvt_program = NULL; + face->cvt_program_size = 0; + error = FT_Err_Ok; + + FT_TRACE2(( "is missing\n" )); + } + else + { + face->cvt_program_size = table_len; + if ( FT_FRAME_EXTRACT( table_len, face->cvt_program ) ) + goto Exit; + + FT_TRACE2(( "loaded, %12d bytes\n", face->cvt_program_size )); + } + + Exit: + return error; + +#else /* !TT_USE_BYTECODE_INTERPRETER */ + + FT_UNUSED( face ); + FT_UNUSED( stream ); + + return FT_Err_Ok; + +#endif + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_load_hdmx */ + /* */ + /* <Description> */ + /* Load the `hdmx' table into the face object. */ + /* */ + /* <Input> */ + /* face :: A handle to the target face object. */ + /* */ + /* stream :: A handle to the input stream. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + + FT_LOCAL_DEF( FT_Error ) + tt_face_load_hdmx( TT_Face face, + FT_Stream stream ) + { + FT_Error error; + FT_Memory memory = stream->memory; + FT_UInt nn, num_records; + FT_ULong table_size, record_size; + FT_Byte* p; + FT_Byte* limit; + + + /* this table is optional */ + error = face->goto_table( face, TTAG_hdmx, stream, &table_size ); + if ( error || table_size < 8 ) + return FT_Err_Ok; + + if ( FT_FRAME_EXTRACT( table_size, face->hdmx_table ) ) + goto Exit; + + p = face->hdmx_table; + limit = p + table_size; + + /* Given that `hdmx' tables are losing its importance (for example, */ + /* variation fonts introduced in OpenType 1.8 must not have this */ + /* table) we no longer test for a correct `version' field. */ + p += 2; + num_records = FT_NEXT_USHORT( p ); + record_size = FT_NEXT_ULONG( p ); + + /* The maximum number of bytes in an hdmx device record is the */ + /* maximum number of glyphs + 2; this is 0xFFFF + 2, thus */ + /* explaining why `record_size' is a long (which we read as */ + /* unsigned long for convenience). In practice, two bytes are */ + /* sufficient to hold the size value. */ + /* */ + /* There are at least two fonts, HANNOM-A and HANNOM-B version */ + /* 2.0 (2005), which get this wrong: The upper two bytes of */ + /* the size value are set to 0xFF instead of 0x00. We catch */ + /* and fix this. */ + + if ( record_size >= 0xFFFF0000UL ) + record_size &= 0xFFFFU; + + /* The limit for `num_records' is a heuristic value. */ + if ( num_records > 255 || + ( num_records > 0 && + ( record_size > 0x10001L || + record_size < 4 ) ) ) + { + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + if ( FT_NEW_ARRAY( face->hdmx_record_sizes, num_records ) ) + goto Fail; + + for ( nn = 0; nn < num_records; nn++ ) + { + if ( p + record_size > limit ) + break; + + face->hdmx_record_sizes[nn] = p[0]; + p += record_size; + } + + face->hdmx_record_count = nn; + face->hdmx_table_size = table_size; + face->hdmx_record_size = record_size; + + Exit: + return error; + + Fail: + FT_FRAME_RELEASE( face->hdmx_table ); + face->hdmx_table_size = 0; + goto Exit; + } + + + FT_LOCAL_DEF( void ) + tt_face_free_hdmx( TT_Face face ) + { + FT_Stream stream = face->root.stream; + FT_Memory memory = stream->memory; + + + FT_FREE( face->hdmx_record_sizes ); + FT_FRAME_RELEASE( face->hdmx_table ); + } + + + /*************************************************************************/ + /* */ + /* Return the advance width table for a given pixel size if it is found */ + /* in the font's `hdmx' table (if any). */ + /* */ + FT_LOCAL_DEF( FT_Byte* ) + tt_face_get_device_metrics( TT_Face face, + FT_UInt ppem, + FT_UInt gindex ) + { + FT_UInt nn; + FT_Byte* result = NULL; + FT_ULong record_size = face->hdmx_record_size; + FT_Byte* record = face->hdmx_table + 8; + + + for ( nn = 0; nn < face->hdmx_record_count; nn++ ) + if ( face->hdmx_record_sizes[nn] == ppem ) + { + gindex += 2; + if ( gindex < record_size ) + result = record + nn * record_size + gindex; + break; + } + + return result; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpload.h b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpload.h new file mode 100644 index 00000000000..fa125272472 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttpload.h @@ -0,0 +1,75 @@ +/***************************************************************************/ +/* */ +/* ttpload.h */ +/* */ +/* TrueType-specific tables loader (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTPLOAD_H_ +#define TTPLOAD_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_TRUETYPE_TYPES_H + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + tt_face_load_loca( TT_Face face, + FT_Stream stream ); + + FT_LOCAL( FT_ULong ) + tt_face_get_location( TT_Face face, + FT_UInt gindex, + FT_UInt *asize ); + + FT_LOCAL( void ) + tt_face_done_loca( TT_Face face ); + + FT_LOCAL( FT_Error ) + tt_face_load_cvt( TT_Face face, + FT_Stream stream ); + + FT_LOCAL( FT_Error ) + tt_face_load_fpgm( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + tt_face_load_prep( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( FT_Error ) + tt_face_load_hdmx( TT_Face face, + FT_Stream stream ); + + + FT_LOCAL( void ) + tt_face_free_hdmx( TT_Face face ); + + + FT_LOCAL( FT_Byte* ) + tt_face_get_device_metrics( TT_Face face, + FT_UInt ppem, + FT_UInt gindex ); + +FT_END_HEADER + +#endif /* TTPLOAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttsubpix.c b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttsubpix.c new file mode 100644 index 00000000000..d94bcc8b50d --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttsubpix.c @@ -0,0 +1,1014 @@ +/***************************************************************************/ +/* */ +/* ttsubpix.c */ +/* */ +/* TrueType Subpixel Hinting. */ +/* */ +/* Copyright 2010-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_SFNT_H +#include FT_TRUETYPE_TAGS_H +#include FT_OUTLINE_H +#include FT_DRIVER_H + +#include "ttsubpix.h" + + +#if defined( TT_USE_BYTECODE_INTERPRETER ) && \ + defined( TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY ) + + /*************************************************************************/ + /* */ + /* These rules affect how the TT Interpreter does hinting, with the */ + /* goal of doing subpixel hinting by (in general) ignoring x moves. */ + /* Some of these rules are fixes that go above and beyond the */ + /* stated techniques in the MS whitepaper on Cleartype, due to */ + /* artifacts in many glyphs. So, these rules make some glyphs render */ + /* better than they do in the MS rasterizer. */ + /* */ + /* "" string or 0 int/char indicates to apply to all glyphs. */ + /* "-" used as dummy placeholders, but any non-matching string works. */ + /* */ + /* Some of this could arguably be implemented in fontconfig, however: */ + /* */ + /* - Fontconfig can't set things on a glyph-by-glyph basis. */ + /* - The tweaks that happen here are very low-level, from an average */ + /* user's point of view and are best implemented in the hinter. */ + /* */ + /* The goal is to make the subpixel hinting techniques as generalized */ + /* as possible across all fonts to prevent the need for extra rules such */ + /* as these. */ + /* */ + /* The rule structure is designed so that entirely new rules can easily */ + /* be added when a new compatibility feature is discovered. */ + /* */ + /* The rule structures could also use some enhancement to handle ranges. */ + /* */ + /* ****************** WORK IN PROGRESS ******************* */ + /* */ + + /* These are `classes' of fonts that can be grouped together and used in */ + /* rules below. A blank entry "" is required at the end of these! */ +#define FAMILY_CLASS_RULES_SIZE 7 + + static const SPH_Font_Class FAMILY_CLASS_Rules + [FAMILY_CLASS_RULES_SIZE] = + { + { "MS Legacy Fonts", + { "Aharoni", + "Andale Mono", + "Andalus", + "Angsana New", + "AngsanaUPC", + "Arabic Transparent", + "Arial Black", + "Arial Narrow", + "Arial Unicode MS", + "Arial", + "Batang", + "Browallia New", + "BrowalliaUPC", + "Comic Sans MS", + "Cordia New", + "CordiaUPC", + "Courier New", + "DFKai-SB", + "David Transparent", + "David", + "DilleniaUPC", + "Estrangelo Edessa", + "EucrosiaUPC", + "FangSong_GB2312", + "Fixed Miriam Transparent", + "FrankRuehl", + "Franklin Gothic Medium", + "FreesiaUPC", + "Garamond", + "Gautami", + "Georgia", + "Gulim", + "Impact", + "IrisUPC", + "JasmineUPC", + "KaiTi_GB2312", + "KodchiangUPC", + "Latha", + "Levenim MT", + "LilyUPC", + "Lucida Console", + "Lucida Sans Unicode", + "MS Gothic", + "MS Mincho", + "MV Boli", + "Mangal", + "Marlett", + "Microsoft Sans Serif", + "Mingliu", + "Miriam Fixed", + "Miriam Transparent", + "Miriam", + "Narkisim", + "Palatino Linotype", + "Raavi", + "Rod Transparent", + "Rod", + "Shruti", + "SimHei", + "Simplified Arabic Fixed", + "Simplified Arabic", + "Simsun", + "Sylfaen", + "Symbol", + "Tahoma", + "Times New Roman", + "Traditional Arabic", + "Trebuchet MS", + "Tunga", + "Verdana", + "Webdings", + "Wingdings", + "", + }, + }, + { "Core MS Legacy Fonts", + { "Arial Black", + "Arial Narrow", + "Arial Unicode MS", + "Arial", + "Comic Sans MS", + "Courier New", + "Garamond", + "Georgia", + "Impact", + "Lucida Console", + "Lucida Sans Unicode", + "Microsoft Sans Serif", + "Palatino Linotype", + "Tahoma", + "Times New Roman", + "Trebuchet MS", + "Verdana", + "", + }, + }, + { "Apple Legacy Fonts", + { "Geneva", + "Times", + "Monaco", + "Century", + "Chalkboard", + "Lobster", + "Century Gothic", + "Optima", + "Lucida Grande", + "Gill Sans", + "Baskerville", + "Helvetica", + "Helvetica Neue", + "", + }, + }, + { "Legacy Sans Fonts", + { "Andale Mono", + "Arial Unicode MS", + "Arial", + "Century Gothic", + "Comic Sans MS", + "Franklin Gothic Medium", + "Geneva", + "Lucida Console", + "Lucida Grande", + "Lucida Sans Unicode", + "Lucida Sans Typewriter", + "Microsoft Sans Serif", + "Monaco", + "Tahoma", + "Trebuchet MS", + "Verdana", + "", + }, + }, + + { "Misc Legacy Fonts", + { "Dark Courier", "", }, }, + { "Verdana Clones", + { "DejaVu Sans", + "Bitstream Vera Sans", "", }, }, + { "Verdana and Clones", + { "DejaVu Sans", + "Bitstream Vera Sans", + "Verdana", "", }, }, + }; + + + /* Define this to force natural (i.e. not bitmap-compatible) widths. */ + /* The default leans strongly towards natural widths except for a few */ + /* legacy fonts where a selective combination produces nicer results. */ +/* #define FORCE_NATURAL_WIDTHS */ + + + /* Define `classes' of styles that can be grouped together and used in */ + /* rules below. A blank entry "" is required at the end of these! */ +#define STYLE_CLASS_RULES_SIZE 5 + + static const SPH_Font_Class STYLE_CLASS_Rules + [STYLE_CLASS_RULES_SIZE] = + { + { "Regular Class", + { "Regular", + "Book", + "Medium", + "Roman", + "Normal", + "", + }, + }, + { "Regular/Italic Class", + { "Regular", + "Book", + "Medium", + "Italic", + "Oblique", + "Roman", + "Normal", + "", + }, + }, + { "Bold/BoldItalic Class", + { "Bold", + "Bold Italic", + "Black", + "", + }, + }, + { "Bold/Italic/BoldItalic Class", + { "Bold", + "Bold Italic", + "Black", + "Italic", + "Oblique", + "", + }, + }, + { "Regular/Bold Class", + { "Regular", + "Book", + "Medium", + "Normal", + "Roman", + "Bold", + "Black", + "", + }, + }, + }; + + + /* Force special legacy fixes for fonts. */ +#define COMPATIBILITY_MODE_RULES_SIZE 1 + + static const SPH_TweakRule COMPATIBILITY_MODE_Rules + [COMPATIBILITY_MODE_RULES_SIZE] = + { + { "Verdana Clones", 0, "", 0 }, + }; + + + /* Don't do subpixel (ignore_x_mode) hinting; do normal hinting. */ +#define PIXEL_HINTING_RULES_SIZE 2 + + static const SPH_TweakRule PIXEL_HINTING_Rules + [PIXEL_HINTING_RULES_SIZE] = + { + /* these characters are almost always safe */ + { "Courier New", 12, "Italic", 'z' }, + { "Courier New", 11, "Italic", 'z' }, + }; + + + /* Subpixel hinting ignores SHPIX rules on X. Force SHPIX for these. */ +#define DO_SHPIX_RULES_SIZE 1 + + static const SPH_TweakRule DO_SHPIX_Rules + [DO_SHPIX_RULES_SIZE] = + { + { "-", 0, "", 0 }, + }; + + + /* Skip Y moves that start with a point that is not on a Y pixel */ + /* boundary and don't move that point to a Y pixel boundary. */ +#define SKIP_NONPIXEL_Y_MOVES_RULES_SIZE 4 + + static const SPH_TweakRule SKIP_NONPIXEL_Y_MOVES_Rules + [SKIP_NONPIXEL_Y_MOVES_RULES_SIZE] = + { + /* fix vwxyz thinness*/ + { "Consolas", 0, "", 0 }, + /* Fix thin middle stems */ + { "Core MS Legacy Fonts", 0, "Regular", 0 }, + /* Cyrillic small letter I */ + { "Legacy Sans Fonts", 0, "", 0 }, + /* Fix artifacts with some Regular & Bold */ + { "Verdana Clones", 0, "", 0 }, + }; + + +#define SKIP_NONPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE 1 + + static const SPH_TweakRule SKIP_NONPIXEL_Y_MOVES_Rules_Exceptions + [SKIP_NONPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE] = + { + /* Fixes < and > */ + { "Courier New", 0, "Regular", 0 }, + }; + + + /* Skip Y moves that start with a point that is not on a Y pixel */ + /* boundary and don't move that point to a Y pixel boundary. */ +#define SKIP_NONPIXEL_Y_MOVES_DELTAP_RULES_SIZE 2 + + static const SPH_TweakRule SKIP_NONPIXEL_Y_MOVES_DELTAP_Rules + [SKIP_NONPIXEL_Y_MOVES_DELTAP_RULES_SIZE] = + { + /* Maintain thickness of diagonal in 'N' */ + { "Times New Roman", 0, "Regular/Bold Class", 'N' }, + { "Georgia", 0, "Regular/Bold Class", 'N' }, + }; + + + /* Skip Y moves that move a point off a Y pixel boundary. */ +#define SKIP_OFFPIXEL_Y_MOVES_RULES_SIZE 1 + + static const SPH_TweakRule SKIP_OFFPIXEL_Y_MOVES_Rules + [SKIP_OFFPIXEL_Y_MOVES_RULES_SIZE] = + { + { "-", 0, "", 0 }, + }; + + +#define SKIP_OFFPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE 1 + + static const SPH_TweakRule SKIP_OFFPIXEL_Y_MOVES_Rules_Exceptions + [SKIP_OFFPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE] = + { + { "-", 0, "", 0 }, + }; + + + /* Round moves that don't move a point to a Y pixel boundary. */ +#define ROUND_NONPIXEL_Y_MOVES_RULES_SIZE 2 + + static const SPH_TweakRule ROUND_NONPIXEL_Y_MOVES_Rules + [ROUND_NONPIXEL_Y_MOVES_RULES_SIZE] = + { + /* Droid font instructions don't snap Y to pixels */ + { "Droid Sans", 0, "Regular/Italic Class", 0 }, + { "Droid Sans Mono", 0, "", 0 }, + }; + + +#define ROUND_NONPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE 1 + + static const SPH_TweakRule ROUND_NONPIXEL_Y_MOVES_Rules_Exceptions + [ROUND_NONPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE] = + { + { "-", 0, "", 0 }, + }; + + + /* Allow a Direct_Move along X freedom vector if matched. */ +#define ALLOW_X_DMOVE_RULES_SIZE 1 + + static const SPH_TweakRule ALLOW_X_DMOVE_Rules + [ALLOW_X_DMOVE_RULES_SIZE] = + { + /* Fixes vanishing diagonal in 4 */ + { "Verdana", 0, "Regular", '4' }, + }; + + + /* Return MS rasterizer version 35 if matched. */ +#define RASTERIZER_35_RULES_SIZE 8 + + static const SPH_TweakRule RASTERIZER_35_Rules + [RASTERIZER_35_RULES_SIZE] = + { + /* This seems to be the only way to make these look good */ + { "Times New Roman", 0, "Regular", 'i' }, + { "Times New Roman", 0, "Regular", 'j' }, + { "Times New Roman", 0, "Regular", 'm' }, + { "Times New Roman", 0, "Regular", 'r' }, + { "Times New Roman", 0, "Regular", 'a' }, + { "Times New Roman", 0, "Regular", 'n' }, + { "Times New Roman", 0, "Regular", 'p' }, + { "Times", 0, "", 0 }, + }; + + + /* Don't round to the subpixel grid. Round to pixel grid. */ +#define NORMAL_ROUND_RULES_SIZE 1 + + static const SPH_TweakRule NORMAL_ROUND_Rules + [NORMAL_ROUND_RULES_SIZE] = + { + /* Fix serif thickness for certain ppems */ + /* Can probably be generalized somehow */ + { "Courier New", 0, "", 0 }, + }; + + + /* Skip IUP instructions if matched. */ +#define SKIP_IUP_RULES_SIZE 1 + + static const SPH_TweakRule SKIP_IUP_Rules + [SKIP_IUP_RULES_SIZE] = + { + { "Arial", 13, "Regular", 'a' }, + }; + + + /* Skip MIAP Twilight hack if matched. */ +#define MIAP_HACK_RULES_SIZE 1 + + static const SPH_TweakRule MIAP_HACK_Rules + [MIAP_HACK_RULES_SIZE] = + { + { "Geneva", 12, "", 0 }, + }; + + + /* Skip DELTAP instructions if matched. */ +#define ALWAYS_SKIP_DELTAP_RULES_SIZE 23 + + static const SPH_TweakRule ALWAYS_SKIP_DELTAP_Rules + [ALWAYS_SKIP_DELTAP_RULES_SIZE] = + { + { "Georgia", 0, "Regular", 'k' }, + /* fix various problems with e in different versions */ + { "Trebuchet MS", 14, "Regular", 'e' }, + { "Trebuchet MS", 13, "Regular", 'e' }, + { "Trebuchet MS", 15, "Regular", 'e' }, + { "Trebuchet MS", 0, "Italic", 'v' }, + { "Trebuchet MS", 0, "Italic", 'w' }, + { "Trebuchet MS", 0, "Regular", 'Y' }, + { "Arial", 11, "Regular", 's' }, + /* prevent problems with '3' and others */ + { "Verdana", 10, "Regular", 0 }, + { "Verdana", 9, "Regular", 0 }, + /* Cyrillic small letter short I */ + { "Legacy Sans Fonts", 0, "", 0x438 }, + { "Legacy Sans Fonts", 0, "", 0x439 }, + { "Arial", 10, "Regular", '6' }, + { "Arial", 0, "Bold/BoldItalic Class", 'a' }, + /* Make horizontal stems consistent with the rest */ + { "Arial", 24, "Bold", 'a' }, + { "Arial", 25, "Bold", 'a' }, + { "Arial", 24, "Bold", 's' }, + { "Arial", 25, "Bold", 's' }, + { "Arial", 34, "Bold", 's' }, + { "Arial", 35, "Bold", 's' }, + { "Arial", 36, "Bold", 's' }, + { "Arial", 25, "Regular", 's' }, + { "Arial", 26, "Regular", 's' }, + }; + + + /* Always do DELTAP instructions if matched. */ +#define ALWAYS_DO_DELTAP_RULES_SIZE 1 + + static const SPH_TweakRule ALWAYS_DO_DELTAP_Rules + [ALWAYS_DO_DELTAP_RULES_SIZE] = + { + { "-", 0, "", 0 }, + }; + + + /* Don't allow ALIGNRP after IUP. */ +#define NO_ALIGNRP_AFTER_IUP_RULES_SIZE 1 + + static const SPH_TweakRule NO_ALIGNRP_AFTER_IUP_Rules + [NO_ALIGNRP_AFTER_IUP_RULES_SIZE] = + { + /* Prevent creation of dents in outline */ + { "-", 0, "", 0 }, + }; + + + /* Don't allow DELTAP after IUP. */ +#define NO_DELTAP_AFTER_IUP_RULES_SIZE 1 + + static const SPH_TweakRule NO_DELTAP_AFTER_IUP_Rules + [NO_DELTAP_AFTER_IUP_RULES_SIZE] = + { + { "-", 0, "", 0 }, + }; + + + /* Don't allow CALL after IUP. */ +#define NO_CALL_AFTER_IUP_RULES_SIZE 1 + + static const SPH_TweakRule NO_CALL_AFTER_IUP_Rules + [NO_CALL_AFTER_IUP_RULES_SIZE] = + { + /* Prevent creation of dents in outline */ + { "-", 0, "", 0 }, + }; + + + /* De-embolden these glyphs slightly. */ +#define DEEMBOLDEN_RULES_SIZE 9 + + static const SPH_TweakRule DEEMBOLDEN_Rules + [DEEMBOLDEN_RULES_SIZE] = + { + { "Courier New", 0, "Bold", 'A' }, + { "Courier New", 0, "Bold", 'W' }, + { "Courier New", 0, "Bold", 'w' }, + { "Courier New", 0, "Bold", 'M' }, + { "Courier New", 0, "Bold", 'X' }, + { "Courier New", 0, "Bold", 'K' }, + { "Courier New", 0, "Bold", 'x' }, + { "Courier New", 0, "Bold", 'z' }, + { "Courier New", 0, "Bold", 'v' }, + }; + + + /* Embolden these glyphs slightly. */ +#define EMBOLDEN_RULES_SIZE 2 + + static const SPH_TweakRule EMBOLDEN_Rules + [EMBOLDEN_RULES_SIZE] = + { + { "Courier New", 0, "Regular", 0 }, + { "Courier New", 0, "Italic", 0 }, + }; + + + /* This is a CVT hack that makes thick horizontal stems on 2, 5, 7 */ + /* similar to Windows XP. */ +#define TIMES_NEW_ROMAN_HACK_RULES_SIZE 12 + + static const SPH_TweakRule TIMES_NEW_ROMAN_HACK_Rules + [TIMES_NEW_ROMAN_HACK_RULES_SIZE] = + { + { "Times New Roman", 16, "Italic", '2' }, + { "Times New Roman", 16, "Italic", '5' }, + { "Times New Roman", 16, "Italic", '7' }, + { "Times New Roman", 16, "Regular", '2' }, + { "Times New Roman", 16, "Regular", '5' }, + { "Times New Roman", 16, "Regular", '7' }, + { "Times New Roman", 17, "Italic", '2' }, + { "Times New Roman", 17, "Italic", '5' }, + { "Times New Roman", 17, "Italic", '7' }, + { "Times New Roman", 17, "Regular", '2' }, + { "Times New Roman", 17, "Regular", '5' }, + { "Times New Roman", 17, "Regular", '7' }, + }; + + + /* This fudges distance on 2 to get rid of the vanishing stem issue. */ + /* A real solution to this is certainly welcome. */ +#define COURIER_NEW_2_HACK_RULES_SIZE 15 + + static const SPH_TweakRule COURIER_NEW_2_HACK_Rules + [COURIER_NEW_2_HACK_RULES_SIZE] = + { + { "Courier New", 10, "Regular", '2' }, + { "Courier New", 11, "Regular", '2' }, + { "Courier New", 12, "Regular", '2' }, + { "Courier New", 13, "Regular", '2' }, + { "Courier New", 14, "Regular", '2' }, + { "Courier New", 15, "Regular", '2' }, + { "Courier New", 16, "Regular", '2' }, + { "Courier New", 17, "Regular", '2' }, + { "Courier New", 18, "Regular", '2' }, + { "Courier New", 19, "Regular", '2' }, + { "Courier New", 20, "Regular", '2' }, + { "Courier New", 21, "Regular", '2' }, + { "Courier New", 22, "Regular", '2' }, + { "Courier New", 23, "Regular", '2' }, + { "Courier New", 24, "Regular", '2' }, + }; + + +#ifndef FORCE_NATURAL_WIDTHS + + /* Use compatible widths with these glyphs. Compatible widths is always */ + /* on when doing B/W TrueType instructing, but is used selectively here, */ + /* typically on glyphs with 3 or more vertical stems. */ +#define COMPATIBLE_WIDTHS_RULES_SIZE 38 + + static const SPH_TweakRule COMPATIBLE_WIDTHS_Rules + [COMPATIBLE_WIDTHS_RULES_SIZE] = + { + { "Arial Unicode MS", 12, "Regular Class", 'm' }, + { "Arial Unicode MS", 14, "Regular Class", 'm' }, + /* Cyrillic small letter sha */ + { "Arial", 10, "Regular Class", 0x448 }, + { "Arial", 11, "Regular Class", 'm' }, + { "Arial", 12, "Regular Class", 'm' }, + /* Cyrillic small letter sha */ + { "Arial", 12, "Regular Class", 0x448 }, + { "Arial", 13, "Regular Class", 0x448 }, + { "Arial", 14, "Regular Class", 'm' }, + /* Cyrillic small letter sha */ + { "Arial", 14, "Regular Class", 0x448 }, + { "Arial", 15, "Regular Class", 0x448 }, + { "Arial", 17, "Regular Class", 'm' }, + { "DejaVu Sans", 15, "Regular Class", 0 }, + { "Microsoft Sans Serif", 11, "Regular Class", 0 }, + { "Microsoft Sans Serif", 12, "Regular Class", 0 }, + { "Segoe UI", 11, "Regular Class", 0 }, + { "Monaco", 0, "Regular Class", 0 }, + { "Segoe UI", 12, "Regular Class", 'm' }, + { "Segoe UI", 14, "Regular Class", 'm' }, + { "Tahoma", 11, "Regular Class", 0 }, + { "Times New Roman", 16, "Regular Class", 'c' }, + { "Times New Roman", 16, "Regular Class", 'm' }, + { "Times New Roman", 16, "Regular Class", 'o' }, + { "Times New Roman", 16, "Regular Class", 'w' }, + { "Trebuchet MS", 11, "Regular Class", 0 }, + { "Trebuchet MS", 12, "Regular Class", 0 }, + { "Trebuchet MS", 14, "Regular Class", 0 }, + { "Trebuchet MS", 15, "Regular Class", 0 }, + { "Ubuntu", 12, "Regular Class", 'm' }, + /* Cyrillic small letter sha */ + { "Verdana", 10, "Regular Class", 0x448 }, + { "Verdana", 11, "Regular Class", 0x448 }, + { "Verdana and Clones", 12, "Regular Class", 'i' }, + { "Verdana and Clones", 12, "Regular Class", 'j' }, + { "Verdana and Clones", 12, "Regular Class", 'l' }, + { "Verdana and Clones", 12, "Regular Class", 'm' }, + { "Verdana and Clones", 13, "Regular Class", 'i' }, + { "Verdana and Clones", 13, "Regular Class", 'j' }, + { "Verdana and Clones", 13, "Regular Class", 'l' }, + { "Verdana and Clones", 14, "Regular Class", 'm' }, + }; + + + /* Scaling slightly in the x-direction prior to hinting results in */ + /* more visually pleasing glyphs in certain cases. */ + /* This sometimes needs to be coordinated with compatible width rules. */ + /* A value of 1000 corresponds to a scaled value of 1.0. */ + +#define X_SCALING_RULES_SIZE 50 + + static const SPH_ScaleRule X_SCALING_Rules[X_SCALING_RULES_SIZE] = + { + { "DejaVu Sans", 12, "Regular Class", 'm', 950 }, + { "Verdana and Clones", 12, "Regular Class", 'a', 1100 }, + { "Verdana and Clones", 13, "Regular Class", 'a', 1050 }, + { "Arial", 11, "Regular Class", 'm', 975 }, + { "Arial", 12, "Regular Class", 'm', 1050 }, + /* Cyrillic small letter el */ + { "Arial", 13, "Regular Class", 0x43B, 950 }, + { "Arial", 13, "Regular Class", 'o', 950 }, + { "Arial", 13, "Regular Class", 'e', 950 }, + { "Arial", 14, "Regular Class", 'm', 950 }, + /* Cyrillic small letter el */ + { "Arial", 15, "Regular Class", 0x43B, 925 }, + { "Bitstream Vera Sans", 10, "Regular/Italic Class", 0, 1100 }, + { "Bitstream Vera Sans", 12, "Regular/Italic Class", 0, 1050 }, + { "Bitstream Vera Sans", 16, "Regular Class", 0, 1050 }, + { "Bitstream Vera Sans", 9, "Regular/Italic Class", 0, 1050 }, + { "DejaVu Sans", 12, "Regular Class", 'l', 975 }, + { "DejaVu Sans", 12, "Regular Class", 'i', 975 }, + { "DejaVu Sans", 12, "Regular Class", 'j', 975 }, + { "DejaVu Sans", 13, "Regular Class", 'l', 950 }, + { "DejaVu Sans", 13, "Regular Class", 'i', 950 }, + { "DejaVu Sans", 13, "Regular Class", 'j', 950 }, + { "DejaVu Sans", 10, "Regular/Italic Class", 0, 1100 }, + { "DejaVu Sans", 12, "Regular/Italic Class", 0, 1050 }, + { "Georgia", 10, "", 0, 1050 }, + { "Georgia", 11, "", 0, 1100 }, + { "Georgia", 12, "", 0, 1025 }, + { "Georgia", 13, "", 0, 1050 }, + { "Georgia", 16, "", 0, 1050 }, + { "Georgia", 17, "", 0, 1030 }, + { "Liberation Sans", 12, "Regular Class", 'm', 1100 }, + { "Lucida Grande", 11, "Regular Class", 'm', 1100 }, + { "Microsoft Sans Serif", 11, "Regular Class", 'm', 950 }, + { "Microsoft Sans Serif", 12, "Regular Class", 'm', 1050 }, + { "Segoe UI", 12, "Regular Class", 'H', 1050 }, + { "Segoe UI", 12, "Regular Class", 'm', 1050 }, + { "Segoe UI", 14, "Regular Class", 'm', 1050 }, + { "Tahoma", 11, "Regular Class", 'i', 975 }, + { "Tahoma", 11, "Regular Class", 'l', 975 }, + { "Tahoma", 11, "Regular Class", 'j', 900 }, + { "Tahoma", 11, "Regular Class", 'm', 918 }, + { "Verdana", 10, "Regular/Italic Class", 0, 1100 }, + { "Verdana", 12, "Regular Class", 'm', 975 }, + { "Verdana", 12, "Regular/Italic Class", 0, 1050 }, + { "Verdana", 13, "Regular/Italic Class", 'i', 950 }, + { "Verdana", 13, "Regular/Italic Class", 'j', 950 }, + { "Verdana", 13, "Regular/Italic Class", 'l', 950 }, + { "Verdana", 16, "Regular Class", 0, 1050 }, + { "Verdana", 9, "Regular/Italic Class", 0, 1050 }, + { "Times New Roman", 16, "Regular Class", 'm', 918 }, + { "Trebuchet MS", 11, "Regular Class", 'm', 800 }, + { "Trebuchet MS", 12, "Regular Class", 'm', 800 }, + }; + +#else + +#define COMPATIBLE_WIDTHS_RULES_SIZE 1 + + static const SPH_TweakRule COMPATIBLE_WIDTHS_Rules + [COMPATIBLE_WIDTHS_RULES_SIZE] = + { + { "-", 0, "", 0 }, + }; + + +#define X_SCALING_RULES_SIZE 1 + + static const SPH_ScaleRule X_SCALING_Rules + [X_SCALING_RULES_SIZE] = + { + { "-", 0, "", 0, 1000 }, + }; + +#endif /* FORCE_NATURAL_WIDTHS */ + + + static FT_Bool + is_member_of_family_class( const FT_String* detected_font_name, + const FT_String* rule_font_name ) + { + FT_UInt i, j; + + + /* Does font name match rule family? */ + if ( ft_strcmp( detected_font_name, rule_font_name ) == 0 ) + return TRUE; + + /* Is font name a wildcard ""? */ + if ( ft_strcmp( rule_font_name, "" ) == 0 ) + return TRUE; + + /* Is font name contained in a class list? */ + for ( i = 0; i < FAMILY_CLASS_RULES_SIZE; i++ ) + { + if ( ft_strcmp( FAMILY_CLASS_Rules[i].name, rule_font_name ) == 0 ) + { + for ( j = 0; j < SPH_MAX_CLASS_MEMBERS; j++ ) + { + if ( ft_strcmp( FAMILY_CLASS_Rules[i].member[j], "" ) == 0 ) + continue; + if ( ft_strcmp( FAMILY_CLASS_Rules[i].member[j], + detected_font_name ) == 0 ) + return TRUE; + } + } + } + + return FALSE; + } + + + static FT_Bool + is_member_of_style_class( const FT_String* detected_font_style, + const FT_String* rule_font_style ) + { + FT_UInt i, j; + + + /* Does font style match rule style? */ + if ( ft_strcmp( detected_font_style, rule_font_style ) == 0 ) + return TRUE; + + /* Is font style a wildcard ""? */ + if ( ft_strcmp( rule_font_style, "" ) == 0 ) + return TRUE; + + /* Is font style contained in a class list? */ + for ( i = 0; i < STYLE_CLASS_RULES_SIZE; i++ ) + { + if ( ft_strcmp( STYLE_CLASS_Rules[i].name, rule_font_style ) == 0 ) + { + for ( j = 0; j < SPH_MAX_CLASS_MEMBERS; j++ ) + { + if ( ft_strcmp( STYLE_CLASS_Rules[i].member[j], "" ) == 0 ) + continue; + if ( ft_strcmp( STYLE_CLASS_Rules[i].member[j], + detected_font_style ) == 0 ) + return TRUE; + } + } + } + + return FALSE; + } + + + FT_LOCAL_DEF( FT_Bool ) + sph_test_tweak( TT_Face face, + const FT_String* family, + FT_UInt ppem, + const FT_String* style, + FT_UInt glyph_index, + const SPH_TweakRule* rule, + FT_UInt num_rules ) + { + FT_UInt i; + + + /* rule checks may be able to be optimized further */ + for ( i = 0; i < num_rules; i++ ) + { + if ( family && + ( is_member_of_family_class ( family, rule[i].family ) ) ) + if ( rule[i].ppem == 0 || + rule[i].ppem == ppem ) + if ( style && + is_member_of_style_class ( style, rule[i].style ) ) + if ( rule[i].glyph == 0 || + FT_Get_Char_Index( (FT_Face)face, + rule[i].glyph ) == glyph_index ) + return TRUE; + } + + return FALSE; + } + + + static FT_UInt + scale_test_tweak( TT_Face face, + const FT_String* family, + FT_UInt ppem, + const FT_String* style, + FT_UInt glyph_index, + const SPH_ScaleRule* rule, + FT_UInt num_rules ) + { + FT_UInt i; + + + /* rule checks may be able to be optimized further */ + for ( i = 0; i < num_rules; i++ ) + { + if ( family && + ( is_member_of_family_class ( family, rule[i].family ) ) ) + if ( rule[i].ppem == 0 || + rule[i].ppem == ppem ) + if ( style && + is_member_of_style_class( style, rule[i].style ) ) + if ( rule[i].glyph == 0 || + FT_Get_Char_Index( (FT_Face)face, + rule[i].glyph ) == glyph_index ) + return rule[i].scale; + } + + return 1000; + } + + + FT_LOCAL_DEF( FT_UInt ) + sph_test_tweak_x_scaling( TT_Face face, + const FT_String* family, + FT_UInt ppem, + const FT_String* style, + FT_UInt glyph_index ) + { + return scale_test_tweak( face, family, ppem, style, glyph_index, + X_SCALING_Rules, X_SCALING_RULES_SIZE ); + } + + +#define TWEAK_RULES( x ) \ + if ( sph_test_tweak( face, family, ppem, style, glyph_index, \ + x##_Rules, x##_RULES_SIZE ) ) \ + loader->exec->sph_tweak_flags |= SPH_TWEAK_##x; + +#define TWEAK_RULES_EXCEPTIONS( x ) \ + if ( sph_test_tweak( face, family, ppem, style, glyph_index, \ + x##_Rules_Exceptions, x##_RULES_EXCEPTIONS_SIZE ) ) \ + loader->exec->sph_tweak_flags &= ~SPH_TWEAK_##x; + + + FT_LOCAL_DEF( void ) + sph_set_tweaks( TT_Loader loader, + FT_UInt glyph_index ) + { + TT_Face face = loader->face; + FT_String* family = face->root.family_name; + FT_UInt ppem = loader->size->metrics->x_ppem; + FT_String* style = face->root.style_name; + + + /* don't apply rules if style isn't set */ + if ( !face->root.style_name ) + return; + +#ifdef SPH_DEBUG_MORE_VERBOSE + printf( "%s,%d,%s,%c=%d ", + family, ppem, style, glyph_index, glyph_index ); +#endif + + TWEAK_RULES( PIXEL_HINTING ); + + if ( loader->exec->sph_tweak_flags & SPH_TWEAK_PIXEL_HINTING ) + { + loader->exec->ignore_x_mode = FALSE; + return; + } + + TWEAK_RULES( ALLOW_X_DMOVE ); + TWEAK_RULES( ALWAYS_DO_DELTAP ); + TWEAK_RULES( ALWAYS_SKIP_DELTAP ); + TWEAK_RULES( DEEMBOLDEN ); + TWEAK_RULES( DO_SHPIX ); + TWEAK_RULES( EMBOLDEN ); + TWEAK_RULES( MIAP_HACK ); + TWEAK_RULES( NORMAL_ROUND ); + TWEAK_RULES( NO_ALIGNRP_AFTER_IUP ); + TWEAK_RULES( NO_CALL_AFTER_IUP ); + TWEAK_RULES( NO_DELTAP_AFTER_IUP ); + TWEAK_RULES( RASTERIZER_35 ); + TWEAK_RULES( SKIP_IUP ); + + TWEAK_RULES( SKIP_OFFPIXEL_Y_MOVES ); + TWEAK_RULES_EXCEPTIONS( SKIP_OFFPIXEL_Y_MOVES ); + + TWEAK_RULES( SKIP_NONPIXEL_Y_MOVES_DELTAP ); + + TWEAK_RULES( SKIP_NONPIXEL_Y_MOVES ); + TWEAK_RULES_EXCEPTIONS( SKIP_NONPIXEL_Y_MOVES ); + + TWEAK_RULES( ROUND_NONPIXEL_Y_MOVES ); + TWEAK_RULES_EXCEPTIONS( ROUND_NONPIXEL_Y_MOVES ); + + if ( loader->exec->sph_tweak_flags & SPH_TWEAK_RASTERIZER_35 ) + { + if ( loader->exec->rasterizer_version != TT_INTERPRETER_VERSION_35 ) + { + loader->exec->rasterizer_version = TT_INTERPRETER_VERSION_35; + loader->exec->size->cvt_ready = -1; + + tt_size_ready_bytecode( + loader->exec->size, + FT_BOOL( loader->load_flags & FT_LOAD_PEDANTIC ) ); + } + else + loader->exec->rasterizer_version = TT_INTERPRETER_VERSION_35; + } + else + { + if ( loader->exec->rasterizer_version != + SPH_OPTION_SET_RASTERIZER_VERSION ) + { + loader->exec->rasterizer_version = SPH_OPTION_SET_RASTERIZER_VERSION; + loader->exec->size->cvt_ready = -1; + + tt_size_ready_bytecode( + loader->exec->size, + FT_BOOL( loader->load_flags & FT_LOAD_PEDANTIC ) ); + } + else + loader->exec->rasterizer_version = SPH_OPTION_SET_RASTERIZER_VERSION; + } + + if ( IS_HINTED( loader->load_flags ) ) + { + TWEAK_RULES( TIMES_NEW_ROMAN_HACK ); + TWEAK_RULES( COURIER_NEW_2_HACK ); + } + + if ( sph_test_tweak( face, family, ppem, style, glyph_index, + COMPATIBILITY_MODE_Rules, COMPATIBILITY_MODE_RULES_SIZE ) ) + loader->exec->face->sph_compatibility_mode = TRUE; + + + if ( IS_HINTED( loader->load_flags ) ) + { + if ( sph_test_tweak( face, family, ppem, style, glyph_index, + COMPATIBLE_WIDTHS_Rules, COMPATIBLE_WIDTHS_RULES_SIZE ) ) + loader->exec->compatible_widths |= TRUE; + } + } + +#else /* !(TT_USE_BYTECODE_INTERPRETER && */ + /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY) */ + + /* ANSI C doesn't like empty source files */ + typedef int _tt_subpix_dummy; + +#endif /* !(TT_USE_BYTECODE_INTERPRETER && */ + /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY) */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttsubpix.h b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttsubpix.h new file mode 100644 index 00000000000..1070bb016fd --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/truetype/ttsubpix.h @@ -0,0 +1,111 @@ +/***************************************************************************/ +/* */ +/* ttsubpix.h */ +/* */ +/* TrueType Subpixel Hinting. */ +/* */ +/* Copyright 2010-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef TTSUBPIX_H_ +#define TTSUBPIX_H_ + +#include <ft2build.h> +#include "ttobjs.h" +#include "ttinterp.h" + + +FT_BEGIN_HEADER + + +#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY + + /*************************************************************************/ + /* */ + /* ID flags to identify special functions at FDEF and runtime. */ + /* */ + /* */ +#define SPH_FDEF_INLINE_DELTA_1 0x0000001 +#define SPH_FDEF_INLINE_DELTA_2 0x0000002 +#define SPH_FDEF_DIAGONAL_STROKE 0x0000004 +#define SPH_FDEF_VACUFORM_ROUND_1 0x0000008 +#define SPH_FDEF_TTFAUTOHINT_1 0x0000010 +#define SPH_FDEF_SPACING_1 0x0000020 +#define SPH_FDEF_SPACING_2 0x0000040 +#define SPH_FDEF_TYPEMAN_STROKES 0x0000080 +#define SPH_FDEF_TYPEMAN_DIAGENDCTRL 0x0000100 + + + /*************************************************************************/ + /* */ + /* Tweak flags that are set for each glyph by the below rules. */ + /* */ + /* */ +#define SPH_TWEAK_ALLOW_X_DMOVE 0x0000001UL +#define SPH_TWEAK_ALWAYS_DO_DELTAP 0x0000002UL +#define SPH_TWEAK_ALWAYS_SKIP_DELTAP 0x0000004UL +#define SPH_TWEAK_COURIER_NEW_2_HACK 0x0000008UL +#define SPH_TWEAK_DEEMBOLDEN 0x0000010UL +#define SPH_TWEAK_DO_SHPIX 0x0000020UL +#define SPH_TWEAK_EMBOLDEN 0x0000040UL +#define SPH_TWEAK_MIAP_HACK 0x0000080UL +#define SPH_TWEAK_NORMAL_ROUND 0x0000100UL +#define SPH_TWEAK_NO_ALIGNRP_AFTER_IUP 0x0000200UL +#define SPH_TWEAK_NO_CALL_AFTER_IUP 0x0000400UL +#define SPH_TWEAK_NO_DELTAP_AFTER_IUP 0x0000800UL +#define SPH_TWEAK_PIXEL_HINTING 0x0001000UL +#define SPH_TWEAK_RASTERIZER_35 0x0002000UL +#define SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES 0x0004000UL +#define SPH_TWEAK_SKIP_IUP 0x0008000UL +#define SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES 0x0010000UL +#define SPH_TWEAK_SKIP_OFFPIXEL_Y_MOVES 0x0020000UL +#define SPH_TWEAK_TIMES_NEW_ROMAN_HACK 0x0040000UL +#define SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES_DELTAP 0x0080000UL + + + FT_LOCAL( FT_Bool ) + sph_test_tweak( TT_Face face, + const FT_String* family, + FT_UInt ppem, + const FT_String* style, + FT_UInt glyph_index, + const SPH_TweakRule* rule, + FT_UInt num_rules ); + + FT_LOCAL( FT_UInt ) + sph_test_tweak_x_scaling( TT_Face face, + const FT_String* family, + FT_UInt ppem, + const FT_String* style, + FT_UInt glyph_index ); + + FT_LOCAL( void ) + sph_set_tweaks( TT_Loader loader, + FT_UInt glyph_index ); + + + /* These macros are defined absent a method for setting them */ +#define SPH_OPTION_BITMAP_WIDTHS FALSE +#define SPH_OPTION_SET_SUBPIXEL TRUE +#define SPH_OPTION_SET_GRAYSCALE FALSE +#define SPH_OPTION_SET_COMPATIBLE_WIDTHS FALSE +#define SPH_OPTION_SET_RASTERIZER_VERSION 38 + +#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */ + + +FT_END_HEADER + +#endif /* TTSUBPIX_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1afm.c b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1afm.c new file mode 100644 index 00000000000..61053d9a640 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1afm.c @@ -0,0 +1,415 @@ +/***************************************************************************/ +/* */ +/* t1afm.c */ +/* */ +/* AFM support for Type 1 fonts (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include "t1afm.h" +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include "t1errors.h" + + +#ifndef T1_CONFIG_OPTION_NO_AFM + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_t1afm + + + FT_LOCAL_DEF( void ) + T1_Done_Metrics( FT_Memory memory, + AFM_FontInfo fi ) + { + FT_FREE( fi->KernPairs ); + fi->NumKernPair = 0; + + FT_FREE( fi->TrackKerns ); + fi->NumTrackKern = 0; + + FT_FREE( fi ); + } + + + /* read a glyph name and return the equivalent glyph index */ + static FT_Int + t1_get_index( const char* name, + FT_Offset len, + void* user_data ) + { + T1_Font type1 = (T1_Font)user_data; + FT_Int n; + + + /* PS string/name length must be < 16-bit */ + if ( len > 0xFFFFU ) + return 0; + + for ( n = 0; n < type1->num_glyphs; n++ ) + { + char* gname = (char*)type1->glyph_names[n]; + + + if ( gname && gname[0] == name[0] && + ft_strlen( gname ) == len && + ft_strncmp( gname, name, len ) == 0 ) + return n; + } + + return 0; + } + + +#undef KERN_INDEX +#define KERN_INDEX( g1, g2 ) ( ( (FT_ULong)(g1) << 16 ) | (g2) ) + + + /* compare two kerning pairs */ + FT_CALLBACK_DEF( int ) + compare_kern_pairs( const void* a, + const void* b ) + { + AFM_KernPair pair1 = (AFM_KernPair)a; + AFM_KernPair pair2 = (AFM_KernPair)b; + + FT_ULong index1 = KERN_INDEX( pair1->index1, pair1->index2 ); + FT_ULong index2 = KERN_INDEX( pair2->index1, pair2->index2 ); + + + if ( index1 > index2 ) + return 1; + else if ( index1 < index2 ) + return -1; + else + return 0; + } + + + /* parse a PFM file -- for now, only read the kerning pairs */ + static FT_Error + T1_Read_PFM( FT_Face t1_face, + FT_Stream stream, + AFM_FontInfo fi ) + { + FT_Error error = FT_Err_Ok; + FT_Memory memory = stream->memory; + FT_Byte* start; + FT_Byte* limit; + FT_Byte* p; + AFM_KernPair kp; + FT_Int width_table_length; + FT_CharMap oldcharmap; + FT_CharMap charmap; + FT_Int n; + + + start = (FT_Byte*)stream->cursor; + limit = (FT_Byte*)stream->limit; + + /* Figure out how long the width table is. */ + /* This info is a little-endian short at offset 99. */ + p = start + 99; + if ( p + 2 > limit ) + { + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + width_table_length = FT_PEEK_USHORT_LE( p ); + + p += 18 + width_table_length; + if ( p + 0x12 > limit || FT_PEEK_USHORT_LE( p ) < 0x12 ) + /* extension table is probably optional */ + goto Exit; + + /* Kerning offset is 14 bytes from start of extensions table. */ + p += 14; + p = start + FT_PEEK_ULONG_LE( p ); + + if ( p == start ) + /* zero offset means no table */ + goto Exit; + + if ( p + 2 > limit ) + { + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + + fi->NumKernPair = FT_PEEK_USHORT_LE( p ); + p += 2; + if ( p + 4 * fi->NumKernPair > limit ) + { + error = FT_THROW( Unknown_File_Format ); + goto Exit; + } + + /* Actually, kerning pairs are simply optional! */ + if ( fi->NumKernPair == 0 ) + goto Exit; + + /* allocate the pairs */ + if ( FT_QNEW_ARRAY( fi->KernPairs, fi->NumKernPair ) ) + goto Exit; + + /* now, read each kern pair */ + kp = fi->KernPairs; + limit = p + 4 * fi->NumKernPair; + + /* PFM kerning data are stored by encoding rather than glyph index, */ + /* so find the PostScript charmap of this font and install it */ + /* temporarily. If we find no PostScript charmap, then just use */ + /* the default and hope it is the right one. */ + oldcharmap = t1_face->charmap; + charmap = NULL; + + for ( n = 0; n < t1_face->num_charmaps; n++ ) + { + charmap = t1_face->charmaps[n]; + /* check against PostScript pseudo platform */ + if ( charmap->platform_id == 7 ) + { + error = FT_Set_Charmap( t1_face, charmap ); + if ( error ) + goto Exit; + break; + } + } + + /* Kerning info is stored as: */ + /* */ + /* encoding of first glyph (1 byte) */ + /* encoding of second glyph (1 byte) */ + /* offset (little-endian short) */ + for ( ; p < limit; p += 4 ) + { + kp->index1 = FT_Get_Char_Index( t1_face, p[0] ); + kp->index2 = FT_Get_Char_Index( t1_face, p[1] ); + + kp->x = (FT_Int)FT_PEEK_SHORT_LE(p + 2); + kp->y = 0; + + kp++; + } + + if ( oldcharmap ) + error = FT_Set_Charmap( t1_face, oldcharmap ); + if ( error ) + goto Exit; + + /* now, sort the kern pairs according to their glyph indices */ + ft_qsort( fi->KernPairs, fi->NumKernPair, sizeof ( AFM_KernPairRec ), + compare_kern_pairs ); + + Exit: + if ( error ) + { + FT_FREE( fi->KernPairs ); + fi->NumKernPair = 0; + } + + return error; + } + + + /* parse a metrics file -- either AFM or PFM depending on what */ + /* it turns out to be */ + FT_LOCAL_DEF( FT_Error ) + T1_Read_Metrics( FT_Face t1_face, + FT_Stream stream ) + { + PSAux_Service psaux; + FT_Memory memory = stream->memory; + AFM_ParserRec parser; + AFM_FontInfo fi = NULL; + FT_Error error = FT_ERR( Unknown_File_Format ); + T1_Face face = (T1_Face)t1_face; + T1_Font t1_font = &face->type1; + + + if ( face->afm_data ) + { + FT_TRACE1(( "T1_Read_Metrics:" + " Freeing previously attached metrics data.\n" )); + T1_Done_Metrics( memory, (AFM_FontInfo)face->afm_data ); + + face->afm_data = NULL; + } + + if ( FT_NEW( fi ) || + FT_FRAME_ENTER( stream->size ) ) + goto Exit; + + fi->FontBBox = t1_font->font_bbox; + fi->Ascender = t1_font->font_bbox.yMax; + fi->Descender = t1_font->font_bbox.yMin; + + psaux = (PSAux_Service)face->psaux; + if ( psaux->afm_parser_funcs ) + { + error = psaux->afm_parser_funcs->init( &parser, + stream->memory, + stream->cursor, + stream->limit ); + + if ( !error ) + { + parser.FontInfo = fi; + parser.get_index = t1_get_index; + parser.user_data = t1_font; + + error = psaux->afm_parser_funcs->parse( &parser ); + psaux->afm_parser_funcs->done( &parser ); + } + } + + if ( FT_ERR_EQ( error, Unknown_File_Format ) ) + { + FT_Byte* start = stream->cursor; + + + /* MS Windows allows versions up to 0x3FF without complaining */ + if ( stream->size > 6 && + start[1] < 4 && + FT_PEEK_ULONG_LE( start + 2 ) == stream->size ) + error = T1_Read_PFM( t1_face, stream, fi ); + } + + if ( !error ) + { + t1_font->font_bbox = fi->FontBBox; + + t1_face->bbox.xMin = fi->FontBBox.xMin >> 16; + t1_face->bbox.yMin = fi->FontBBox.yMin >> 16; + /* no `U' suffix here to 0xFFFF! */ + t1_face->bbox.xMax = ( fi->FontBBox.xMax + 0xFFFF ) >> 16; + t1_face->bbox.yMax = ( fi->FontBBox.yMax + 0xFFFF ) >> 16; + + /* no `U' suffix here to 0x8000! */ + t1_face->ascender = (FT_Short)( ( fi->Ascender + 0x8000 ) >> 16 ); + t1_face->descender = (FT_Short)( ( fi->Descender + 0x8000 ) >> 16 ); + + if ( fi->NumKernPair ) + { + t1_face->face_flags |= FT_FACE_FLAG_KERNING; + face->afm_data = fi; + fi = NULL; + } + } + + FT_FRAME_EXIT(); + + Exit: + if ( fi ) + T1_Done_Metrics( memory, fi ); + + return error; + } + + + /* find the kerning for a given glyph pair */ + FT_LOCAL_DEF( void ) + T1_Get_Kerning( AFM_FontInfo fi, + FT_UInt glyph1, + FT_UInt glyph2, + FT_Vector* kerning ) + { + AFM_KernPair min, mid, max; + FT_ULong idx = KERN_INDEX( glyph1, glyph2 ); + + + /* simple binary search */ + min = fi->KernPairs; + max = min + fi->NumKernPair - 1; + + while ( min <= max ) + { + FT_ULong midi; + + + mid = min + ( max - min ) / 2; + midi = KERN_INDEX( mid->index1, mid->index2 ); + + if ( midi == idx ) + { + kerning->x = mid->x; + kerning->y = mid->y; + + return; + } + + if ( midi < idx ) + min = mid + 1; + else + max = mid - 1; + } + + kerning->x = 0; + kerning->y = 0; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Get_Track_Kerning( FT_Face face, + FT_Fixed ptsize, + FT_Int degree, + FT_Fixed* kerning ) + { + AFM_FontInfo fi = (AFM_FontInfo)( (T1_Face)face )->afm_data; + FT_UInt i; + + + if ( !fi ) + return FT_THROW( Invalid_Argument ); + + for ( i = 0; i < fi->NumTrackKern; i++ ) + { + AFM_TrackKern tk = fi->TrackKerns + i; + + + if ( tk->degree != degree ) + continue; + + if ( ptsize < tk->min_ptsize ) + *kerning = tk->min_kern; + else if ( ptsize > tk->max_ptsize ) + *kerning = tk->max_kern; + else + { + *kerning = FT_MulDiv( ptsize - tk->min_ptsize, + tk->max_kern - tk->min_kern, + tk->max_ptsize - tk->min_ptsize ) + + tk->min_kern; + } + } + + return FT_Err_Ok; + } + +#else /* T1_CONFIG_OPTION_NO_AFM */ + + /* ANSI C doesn't like empty source files */ + typedef int _t1_afm_dummy; + +#endif /* T1_CONFIG_OPTION_NO_AFM */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1afm.h b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1afm.h new file mode 100644 index 00000000000..cb8d302b4d4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1afm.h @@ -0,0 +1,54 @@ +/***************************************************************************/ +/* */ +/* t1afm.h */ +/* */ +/* AFM support for Type 1 fonts (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1AFM_H_ +#define T1AFM_H_ + +#include <ft2build.h> +#include "t1objs.h" +#include FT_INTERNAL_TYPE1_TYPES_H + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + T1_Read_Metrics( FT_Face face, + FT_Stream stream ); + + FT_LOCAL( void ) + T1_Done_Metrics( FT_Memory memory, + AFM_FontInfo fi ); + + FT_LOCAL( void ) + T1_Get_Kerning( AFM_FontInfo fi, + FT_UInt glyph1, + FT_UInt glyph2, + FT_Vector* kerning ); + + FT_LOCAL( FT_Error ) + T1_Get_Track_Kerning( FT_Face face, + FT_Fixed ptsize, + FT_Int degree, + FT_Fixed* kerning ); + +FT_END_HEADER + +#endif /* T1AFM_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1driver.c b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1driver.c new file mode 100644 index 00000000000..029b410b476 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1driver.c @@ -0,0 +1,773 @@ +/***************************************************************************/ +/* */ +/* t1driver.c */ +/* */ +/* Type 1 driver interface (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include "t1driver.h" +#include "t1gload.h" +#include "t1load.h" + +#include "t1errors.h" + +#ifndef T1_CONFIG_OPTION_NO_AFM +#include "t1afm.h" +#endif + +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_HASH_H +#include FT_INTERNAL_POSTSCRIPT_PROPS_H +#include FT_DRIVER_H + +#include FT_SERVICE_MULTIPLE_MASTERS_H +#include FT_SERVICE_GLYPH_DICT_H +#include FT_SERVICE_FONT_FORMAT_H +#include FT_SERVICE_POSTSCRIPT_NAME_H +#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include FT_SERVICE_POSTSCRIPT_INFO_H +#include FT_SERVICE_PROPERTIES_H +#include FT_SERVICE_KERNING_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_t1driver + + /* + * GLYPH DICT SERVICE + * + */ + + static FT_Error + t1_get_glyph_name( T1_Face face, + FT_UInt glyph_index, + FT_Pointer buffer, + FT_UInt buffer_max ) + { + FT_STRCPYN( buffer, face->type1.glyph_names[glyph_index], buffer_max ); + + return FT_Err_Ok; + } + + + static FT_UInt + t1_get_name_index( T1_Face face, + FT_String* glyph_name ) + { + FT_Int i; + + + for ( i = 0; i < face->type1.num_glyphs; i++ ) + { + FT_String* gname = face->type1.glyph_names[i]; + + + if ( !ft_strcmp( glyph_name, gname ) ) + return (FT_UInt)i; + } + + return 0; + } + + + static const FT_Service_GlyphDictRec t1_service_glyph_dict = + { + (FT_GlyphDict_GetNameFunc) t1_get_glyph_name, /* get_name */ + (FT_GlyphDict_NameIndexFunc)t1_get_name_index /* name_index */ + }; + + + /* + * POSTSCRIPT NAME SERVICE + * + */ + + static const char* + t1_get_ps_name( T1_Face face ) + { + return (const char*) face->type1.font_name; + } + + + static const FT_Service_PsFontNameRec t1_service_ps_name = + { + (FT_PsName_GetFunc)t1_get_ps_name /* get_ps_font_name */ + }; + + + /* + * MULTIPLE MASTERS SERVICE + * + */ + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + static const FT_Service_MultiMastersRec t1_service_multi_masters = + { + (FT_Get_MM_Func) T1_Get_Multi_Master, /* get_mm */ + (FT_Set_MM_Design_Func) T1_Set_MM_Design, /* set_mm_design */ + (FT_Set_MM_Blend_Func) T1_Set_MM_Blend, /* set_mm_blend */ + (FT_Get_MM_Blend_Func) T1_Get_MM_Blend, /* get_mm_blend */ + (FT_Get_MM_Var_Func) T1_Get_MM_Var, /* get_mm_var */ + (FT_Set_Var_Design_Func)T1_Set_Var_Design, /* set_var_design */ + (FT_Get_Var_Design_Func)T1_Get_Var_Design, /* get_var_design */ + (FT_Set_Instance_Func) T1_Reset_MM_Blend, /* set_instance */ + + (FT_Get_Var_Blend_Func) NULL, /* get_var_blend */ + (FT_Done_Blend_Func) T1_Done_Blend /* done_blend */ + }; +#endif + + + /* + * POSTSCRIPT INFO SERVICE + * + */ + + static FT_Error + t1_ps_get_font_info( FT_Face face, + PS_FontInfoRec* afont_info ) + { + *afont_info = ((T1_Face)face)->type1.font_info; + + return FT_Err_Ok; + } + + + static FT_Error + t1_ps_get_font_extra( FT_Face face, + PS_FontExtraRec* afont_extra ) + { + *afont_extra = ((T1_Face)face)->type1.font_extra; + + return FT_Err_Ok; + } + + + static FT_Int + t1_ps_has_glyph_names( FT_Face face ) + { + FT_UNUSED( face ); + + return 1; + } + + + static FT_Error + t1_ps_get_font_private( FT_Face face, + PS_PrivateRec* afont_private ) + { + *afont_private = ((T1_Face)face)->type1.private_dict; + + return FT_Err_Ok; + } + + + static FT_Long + t1_ps_get_font_value( FT_Face face, + PS_Dict_Keys key, + FT_UInt idx, + void *value, + FT_Long value_len_ ) + { + FT_ULong retval = 0; /* always >= 1 if valid */ + FT_ULong value_len = value_len_ < 0 ? 0 : (FT_ULong)value_len_; + + T1_Face t1face = (T1_Face)face; + T1_Font type1 = &t1face->type1; + + + switch ( key ) + { + case PS_DICT_FONT_TYPE: + retval = sizeof ( type1->font_type ); + if ( value && value_len >= retval ) + *((FT_Byte *)value) = type1->font_type; + break; + + case PS_DICT_FONT_MATRIX: + if ( idx < sizeof ( type1->font_matrix ) / + sizeof ( type1->font_matrix.xx ) ) + { + FT_Fixed val = 0; + + + retval = sizeof ( val ); + if ( value && value_len >= retval ) + { + switch ( idx ) + { + case 0: + val = type1->font_matrix.xx; + break; + case 1: + val = type1->font_matrix.xy; + break; + case 2: + val = type1->font_matrix.yx; + break; + case 3: + val = type1->font_matrix.yy; + break; + } + *((FT_Fixed *)value) = val; + } + } + break; + + case PS_DICT_FONT_BBOX: + if ( idx < sizeof ( type1->font_bbox ) / + sizeof ( type1->font_bbox.xMin ) ) + { + FT_Fixed val = 0; + + + retval = sizeof ( val ); + if ( value && value_len >= retval ) + { + switch ( idx ) + { + case 0: + val = type1->font_bbox.xMin; + break; + case 1: + val = type1->font_bbox.yMin; + break; + case 2: + val = type1->font_bbox.xMax; + break; + case 3: + val = type1->font_bbox.yMax; + break; + } + *((FT_Fixed *)value) = val; + } + } + break; + + case PS_DICT_PAINT_TYPE: + retval = sizeof ( type1->paint_type ); + if ( value && value_len >= retval ) + *((FT_Byte *)value) = type1->paint_type; + break; + + case PS_DICT_FONT_NAME: + retval = ft_strlen( type1->font_name ) + 1; + if ( value && value_len >= retval ) + ft_memcpy( value, (void *)( type1->font_name ), retval ); + break; + + case PS_DICT_UNIQUE_ID: + retval = sizeof ( type1->private_dict.unique_id ); + if ( value && value_len >= retval ) + *((FT_Int *)value) = type1->private_dict.unique_id; + break; + + case PS_DICT_NUM_CHAR_STRINGS: + retval = sizeof ( type1->num_glyphs ); + if ( value && value_len >= retval ) + *((FT_Int *)value) = type1->num_glyphs; + break; + + case PS_DICT_CHAR_STRING_KEY: + if ( idx < (FT_UInt)type1->num_glyphs ) + { + retval = ft_strlen( type1->glyph_names[idx] ) + 1; + if ( value && value_len >= retval ) + { + ft_memcpy( value, (void *)( type1->glyph_names[idx] ), retval ); + ((FT_Char *)value)[retval - 1] = (FT_Char)'\0'; + } + } + break; + + case PS_DICT_CHAR_STRING: + if ( idx < (FT_UInt)type1->num_glyphs ) + { + retval = type1->charstrings_len[idx] + 1; + if ( value && value_len >= retval ) + { + ft_memcpy( value, (void *)( type1->charstrings[idx] ), + retval - 1 ); + ((FT_Char *)value)[retval - 1] = (FT_Char)'\0'; + } + } + break; + + case PS_DICT_ENCODING_TYPE: + retval = sizeof ( type1->encoding_type ); + if ( value && value_len >= retval ) + *((T1_EncodingType *)value) = type1->encoding_type; + break; + + case PS_DICT_ENCODING_ENTRY: + if ( type1->encoding_type == T1_ENCODING_TYPE_ARRAY && + idx < (FT_UInt)type1->encoding.num_chars ) + { + retval = ft_strlen( type1->encoding.char_name[idx] ) + 1; + if ( value && value_len >= retval ) + { + ft_memcpy( value, (void *)( type1->encoding.char_name[idx] ), + retval - 1 ); + ((FT_Char *)value)[retval - 1] = (FT_Char)'\0'; + } + } + break; + + case PS_DICT_NUM_SUBRS: + retval = sizeof ( type1->num_subrs ); + if ( value && value_len >= retval ) + *((FT_Int *)value) = type1->num_subrs; + break; + + case PS_DICT_SUBR: + { + FT_Bool ok = 0; + + + if ( type1->subrs_hash ) + { + /* convert subr index to array index */ + size_t* val = ft_hash_num_lookup( (FT_Int)idx, + type1->subrs_hash ); + + + if ( val ) + { + idx = *val; + ok = 1; + } + } + else + { + if ( idx < (FT_UInt)type1->num_subrs ) + ok = 1; + } + + if ( ok ) + { + retval = type1->subrs_len[idx] + 1; + if ( value && value_len >= retval ) + { + ft_memcpy( value, (void *)( type1->subrs[idx] ), retval - 1 ); + ((FT_Char *)value)[retval - 1] = (FT_Char)'\0'; + } + } + } + break; + + case PS_DICT_STD_HW: + retval = sizeof ( type1->private_dict.standard_width[0] ); + if ( value && value_len >= retval ) + *((FT_UShort *)value) = type1->private_dict.standard_width[0]; + break; + + case PS_DICT_STD_VW: + retval = sizeof ( type1->private_dict.standard_height[0] ); + if ( value && value_len >= retval ) + *((FT_UShort *)value) = type1->private_dict.standard_height[0]; + break; + + case PS_DICT_NUM_BLUE_VALUES: + retval = sizeof ( type1->private_dict.num_blue_values ); + if ( value && value_len >= retval ) + *((FT_Byte *)value) = type1->private_dict.num_blue_values; + break; + + case PS_DICT_BLUE_VALUE: + if ( idx < type1->private_dict.num_blue_values ) + { + retval = sizeof ( type1->private_dict.blue_values[idx] ); + if ( value && value_len >= retval ) + *((FT_Short *)value) = type1->private_dict.blue_values[idx]; + } + break; + + case PS_DICT_BLUE_SCALE: + retval = sizeof ( type1->private_dict.blue_scale ); + if ( value && value_len >= retval ) + *((FT_Fixed *)value) = type1->private_dict.blue_scale; + break; + + case PS_DICT_BLUE_FUZZ: + retval = sizeof ( type1->private_dict.blue_fuzz ); + if ( value && value_len >= retval ) + *((FT_Int *)value) = type1->private_dict.blue_fuzz; + break; + + case PS_DICT_BLUE_SHIFT: + retval = sizeof ( type1->private_dict.blue_shift ); + if ( value && value_len >= retval ) + *((FT_Int *)value) = type1->private_dict.blue_shift; + break; + + case PS_DICT_NUM_OTHER_BLUES: + retval = sizeof ( type1->private_dict.num_other_blues ); + if ( value && value_len >= retval ) + *((FT_Byte *)value) = type1->private_dict.num_other_blues; + break; + + case PS_DICT_OTHER_BLUE: + if ( idx < type1->private_dict.num_other_blues ) + { + retval = sizeof ( type1->private_dict.other_blues[idx] ); + if ( value && value_len >= retval ) + *((FT_Short *)value) = type1->private_dict.other_blues[idx]; + } + break; + + case PS_DICT_NUM_FAMILY_BLUES: + retval = sizeof ( type1->private_dict.num_family_blues ); + if ( value && value_len >= retval ) + *((FT_Byte *)value) = type1->private_dict.num_family_blues; + break; + + case PS_DICT_FAMILY_BLUE: + if ( idx < type1->private_dict.num_family_blues ) + { + retval = sizeof ( type1->private_dict.family_blues[idx] ); + if ( value && value_len >= retval ) + *((FT_Short *)value) = type1->private_dict.family_blues[idx]; + } + break; + + case PS_DICT_NUM_FAMILY_OTHER_BLUES: + retval = sizeof ( type1->private_dict.num_family_other_blues ); + if ( value && value_len >= retval ) + *((FT_Byte *)value) = type1->private_dict.num_family_other_blues; + break; + + case PS_DICT_FAMILY_OTHER_BLUE: + if ( idx < type1->private_dict.num_family_other_blues ) + { + retval = sizeof ( type1->private_dict.family_other_blues[idx] ); + if ( value && value_len >= retval ) + *((FT_Short *)value) = type1->private_dict.family_other_blues[idx]; + } + break; + + case PS_DICT_NUM_STEM_SNAP_H: + retval = sizeof ( type1->private_dict.num_snap_widths ); + if ( value && value_len >= retval ) + *((FT_Byte *)value) = type1->private_dict.num_snap_widths; + break; + + case PS_DICT_STEM_SNAP_H: + if ( idx < type1->private_dict.num_snap_widths ) + { + retval = sizeof ( type1->private_dict.snap_widths[idx] ); + if ( value && value_len >= retval ) + *((FT_Short *)value) = type1->private_dict.snap_widths[idx]; + } + break; + + case PS_DICT_NUM_STEM_SNAP_V: + retval = sizeof ( type1->private_dict.num_snap_heights ); + if ( value && value_len >= retval ) + *((FT_Byte *)value) = type1->private_dict.num_snap_heights; + break; + + case PS_DICT_STEM_SNAP_V: + if ( idx < type1->private_dict.num_snap_heights ) + { + retval = sizeof ( type1->private_dict.snap_heights[idx] ); + if ( value && value_len >= retval ) + *((FT_Short *)value) = type1->private_dict.snap_heights[idx]; + } + break; + + case PS_DICT_RND_STEM_UP: + retval = sizeof ( type1->private_dict.round_stem_up ); + if ( value && value_len >= retval ) + *((FT_Bool *)value) = type1->private_dict.round_stem_up; + break; + + case PS_DICT_FORCE_BOLD: + retval = sizeof ( type1->private_dict.force_bold ); + if ( value && value_len >= retval ) + *((FT_Bool *)value) = type1->private_dict.force_bold; + break; + + case PS_DICT_MIN_FEATURE: + if ( idx < sizeof ( type1->private_dict.min_feature ) / + sizeof ( type1->private_dict.min_feature[0] ) ) + { + retval = sizeof ( type1->private_dict.min_feature[idx] ); + if ( value && value_len >= retval ) + *((FT_Short *)value) = type1->private_dict.min_feature[idx]; + } + break; + + case PS_DICT_LEN_IV: + retval = sizeof ( type1->private_dict.lenIV ); + if ( value && value_len >= retval ) + *((FT_Int *)value) = type1->private_dict.lenIV; + break; + + case PS_DICT_PASSWORD: + retval = sizeof ( type1->private_dict.password ); + if ( value && value_len >= retval ) + *((FT_Long *)value) = type1->private_dict.password; + break; + + case PS_DICT_LANGUAGE_GROUP: + retval = sizeof ( type1->private_dict.language_group ); + if ( value && value_len >= retval ) + *((FT_Long *)value) = type1->private_dict.language_group; + break; + + case PS_DICT_IS_FIXED_PITCH: + retval = sizeof ( type1->font_info.is_fixed_pitch ); + if ( value && value_len >= retval ) + *((FT_Bool *)value) = type1->font_info.is_fixed_pitch; + break; + + case PS_DICT_UNDERLINE_POSITION: + retval = sizeof ( type1->font_info.underline_position ); + if ( value && value_len >= retval ) + *((FT_Short *)value) = type1->font_info.underline_position; + break; + + case PS_DICT_UNDERLINE_THICKNESS: + retval = sizeof ( type1->font_info.underline_thickness ); + if ( value && value_len >= retval ) + *((FT_UShort *)value) = type1->font_info.underline_thickness; + break; + + case PS_DICT_FS_TYPE: + retval = sizeof ( type1->font_extra.fs_type ); + if ( value && value_len >= retval ) + *((FT_UShort *)value) = type1->font_extra.fs_type; + break; + + case PS_DICT_VERSION: + retval = ft_strlen( type1->font_info.version ) + 1; + if ( value && value_len >= retval ) + ft_memcpy( value, (void *)( type1->font_info.version ), retval ); + break; + + case PS_DICT_NOTICE: + retval = ft_strlen( type1->font_info.notice ) + 1; + if ( value && value_len >= retval ) + ft_memcpy( value, (void *)( type1->font_info.notice ), retval ); + break; + + case PS_DICT_FULL_NAME: + retval = ft_strlen( type1->font_info.full_name ) + 1; + if ( value && value_len >= retval ) + ft_memcpy( value, (void *)( type1->font_info.full_name ), retval ); + break; + + case PS_DICT_FAMILY_NAME: + retval = ft_strlen( type1->font_info.family_name ) + 1; + if ( value && value_len >= retval ) + ft_memcpy( value, (void *)( type1->font_info.family_name ), retval ); + break; + + case PS_DICT_WEIGHT: + retval = ft_strlen( type1->font_info.weight ) + 1; + if ( value && value_len >= retval ) + ft_memcpy( value, (void *)( type1->font_info.weight ), retval ); + break; + + case PS_DICT_ITALIC_ANGLE: + retval = sizeof ( type1->font_info.italic_angle ); + if ( value && value_len >= retval ) + *((FT_Long *)value) = type1->font_info.italic_angle; + break; + } + + return retval == 0 ? -1 : (FT_Long)retval; + } + + + static const FT_Service_PsInfoRec t1_service_ps_info = + { + (PS_GetFontInfoFunc) t1_ps_get_font_info, /* ps_get_font_info */ + (PS_GetFontExtraFunc) t1_ps_get_font_extra, /* ps_get_font_extra */ + (PS_HasGlyphNamesFunc) t1_ps_has_glyph_names, /* ps_has_glyph_names */ + (PS_GetFontPrivateFunc)t1_ps_get_font_private, /* ps_get_font_private */ + (PS_GetFontValueFunc) t1_ps_get_font_value, /* ps_get_font_value */ + }; + + +#ifndef T1_CONFIG_OPTION_NO_AFM + static const FT_Service_KerningRec t1_service_kerning = + { + T1_Get_Track_Kerning, /* get_track */ + }; +#endif + + + /* + * PROPERTY SERVICE + * + */ + + FT_DEFINE_SERVICE_PROPERTIESREC( + t1_service_properties, + + (FT_Properties_SetFunc)ps_property_set, /* set_property */ + (FT_Properties_GetFunc)ps_property_get ) /* get_property */ + + + /* + * SERVICE LIST + * + */ + + static const FT_ServiceDescRec t1_services[] = + { + { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &t1_service_ps_name }, + { FT_SERVICE_ID_GLYPH_DICT, &t1_service_glyph_dict }, + { FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_TYPE_1 }, + { FT_SERVICE_ID_POSTSCRIPT_INFO, &t1_service_ps_info }, + { FT_SERVICE_ID_PROPERTIES, &t1_service_properties }, + +#ifndef T1_CONFIG_OPTION_NO_AFM + { FT_SERVICE_ID_KERNING, &t1_service_kerning }, +#endif + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + { FT_SERVICE_ID_MULTI_MASTERS, &t1_service_multi_masters }, +#endif + { NULL, NULL } + }; + + + FT_CALLBACK_DEF( FT_Module_Interface ) + Get_Interface( FT_Module module, + const FT_String* t1_interface ) + { + FT_UNUSED( module ); + + return ft_service_list_lookup( t1_services, t1_interface ); + } + + +#ifndef T1_CONFIG_OPTION_NO_AFM + + /*************************************************************************/ + /* */ + /* <Function> */ + /* Get_Kerning */ + /* */ + /* <Description> */ + /* A driver method used to return the kerning vector between two */ + /* glyphs of the same face. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* left_glyph :: The index of the left glyph in the kern pair. */ + /* */ + /* right_glyph :: The index of the right glyph in the kern pair. */ + /* */ + /* <Output> */ + /* kerning :: The kerning vector. This is in font units for */ + /* scalable formats, and in pixels for fixed-sizes */ + /* formats. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* Only horizontal layouts (left-to-right & right-to-left) are */ + /* supported by this function. Other layouts, or more sophisticated */ + /* kernings are out of scope of this method (the basic driver */ + /* interface is meant to be simple). */ + /* */ + /* They can be implemented by format-specific interfaces. */ + /* */ + static FT_Error + Get_Kerning( FT_Face t1face, /* T1_Face */ + FT_UInt left_glyph, + FT_UInt right_glyph, + FT_Vector* kerning ) + { + T1_Face face = (T1_Face)t1face; + + + kerning->x = 0; + kerning->y = 0; + + if ( face->afm_data ) + T1_Get_Kerning( (AFM_FontInfo)face->afm_data, + left_glyph, + right_glyph, + kerning ); + + return FT_Err_Ok; + } + + +#endif /* T1_CONFIG_OPTION_NO_AFM */ + + + FT_CALLBACK_TABLE_DEF + const FT_Driver_ClassRec t1_driver_class = + { + { + FT_MODULE_FONT_DRIVER | + FT_MODULE_DRIVER_SCALABLE | + FT_MODULE_DRIVER_HAS_HINTER, + + sizeof ( PS_DriverRec ), + + "type1", + 0x10000L, + 0x20000L, + + NULL, /* module-specific interface */ + + T1_Driver_Init, /* FT_Module_Constructor module_init */ + T1_Driver_Done, /* FT_Module_Destructor module_done */ + Get_Interface, /* FT_Module_Requester get_interface */ + }, + + sizeof ( T1_FaceRec ), + sizeof ( T1_SizeRec ), + sizeof ( T1_GlyphSlotRec ), + + T1_Face_Init, /* FT_Face_InitFunc init_face */ + T1_Face_Done, /* FT_Face_DoneFunc done_face */ + T1_Size_Init, /* FT_Size_InitFunc init_size */ + T1_Size_Done, /* FT_Size_DoneFunc done_size */ + T1_GlyphSlot_Init, /* FT_Slot_InitFunc init_slot */ + T1_GlyphSlot_Done, /* FT_Slot_DoneFunc done_slot */ + + T1_Load_Glyph, /* FT_Slot_LoadFunc load_glyph */ + +#ifdef T1_CONFIG_OPTION_NO_AFM + NULL, /* FT_Face_GetKerningFunc get_kerning */ + NULL, /* FT_Face_AttachFunc attach_file */ +#else + Get_Kerning, /* FT_Face_GetKerningFunc get_kerning */ + T1_Read_Metrics, /* FT_Face_AttachFunc attach_file */ +#endif + T1_Get_Advances, /* FT_Face_GetAdvancesFunc get_advances */ + + T1_Size_Request, /* FT_Size_RequestFunc request_size */ + NULL /* FT_Size_SelectFunc select_size */ + }; + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1driver.h b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1driver.h new file mode 100644 index 00000000000..2b1507233dd --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1driver.h @@ -0,0 +1,42 @@ +/***************************************************************************/ +/* */ +/* t1driver.h */ +/* */ +/* High-level Type 1 driver interface (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1DRIVER_H_ +#define T1DRIVER_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_DRIVER_H + + +FT_BEGIN_HEADER + +#ifdef FT_CONFIG_OPTION_PIC +#error "this module does not support PIC yet" +#endif + + + FT_EXPORT_VAR( const FT_Driver_ClassRec ) t1_driver_class; + + +FT_END_HEADER + +#endif /* T1DRIVER_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1errors.h b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1errors.h new file mode 100644 index 00000000000..9e0151b9571 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1errors.h @@ -0,0 +1,41 @@ +/***************************************************************************/ +/* */ +/* t1errors.h */ +/* */ +/* Type 1 error codes (specification only). */ +/* */ +/* Copyright 2001-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This file is used to define the Type 1 error enumeration constants. */ + /* */ + /*************************************************************************/ + +#ifndef T1ERRORS_H_ +#define T1ERRORS_H_ + +#include FT_MODULE_ERRORS_H + +#undef FTERRORS_H_ + +#undef FT_ERR_PREFIX +#define FT_ERR_PREFIX T1_Err_ +#define FT_ERR_BASE FT_Mod_Err_Type1 + +#include FT_ERRORS_H + +#endif /* T1ERRORS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1gload.c b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1gload.c new file mode 100644 index 00000000000..87d40e75660 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1gload.c @@ -0,0 +1,590 @@ +/***************************************************************************/ +/* */ +/* t1gload.c */ +/* */ +/* Type 1 Glyph Loader (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include "t1gload.h" +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_OUTLINE_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_INTERNAL_CFF_TYPES_H +#include FT_DRIVER_H + +#include "t1errors.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_t1gload + + + static FT_Error + T1_Parse_Glyph_And_Get_Char_String( T1_Decoder decoder, + FT_UInt glyph_index, + FT_Data* char_string, + FT_Bool* force_scaling ) + { + T1_Face face = (T1_Face)decoder->builder.face; + T1_Font type1 = &face->type1; + FT_Error error = FT_Err_Ok; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + const T1_Decoder_Funcs decoder_funcs = psaux->t1_decoder_funcs; + PS_Decoder psdecoder; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + FT_Incremental_InterfaceRec *inc = + face->root.internal->incremental_interface; +#endif + +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + PS_Driver driver = (PS_Driver)FT_FACE_DRIVER( face ); +#endif + + decoder->font_matrix = type1->font_matrix; + decoder->font_offset = type1->font_offset; + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + + /* For incremental fonts get the character data using the */ + /* callback function. */ + if ( inc ) + error = inc->funcs->get_glyph_data( inc->object, + glyph_index, char_string ); + else + +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + /* For ordinary fonts get the character data stored in the face record. */ + { + char_string->pointer = type1->charstrings[glyph_index]; + char_string->length = (FT_Int)type1->charstrings_len[glyph_index]; + } + + if ( !error ) + { + /* choose which renderer to use */ +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + if ( driver->hinting_engine == FT_HINTING_FREETYPE || + decoder->builder.metrics_only ) + error = decoder_funcs->parse_charstrings_old( + decoder, + (FT_Byte*)char_string->pointer, + (FT_UInt)char_string->length ); +#else + if ( decoder->builder.metrics_only ) + error = decoder_funcs->parse_metrics( + decoder, + (FT_Byte*)char_string->pointer, + (FT_UInt)char_string->length ); +#endif + else + { + CFF_SubFontRec subfont; + + + psaux->ps_decoder_init( &psdecoder, decoder, TRUE ); + + psaux->t1_make_subfont( FT_FACE( face ), + &face->type1.private_dict, &subfont ); + psdecoder.current_subfont = &subfont; + + error = decoder_funcs->parse_charstrings( + &psdecoder, + (FT_Byte*)char_string->pointer, + (FT_ULong)char_string->length ); + + /* Adobe's engine uses 16.16 numbers everywhere; */ + /* as a consequence, glyphs larger than 2000ppem get rejected */ + if ( FT_ERR_EQ( error, Glyph_Too_Big ) ) + { + /* this time, we retry unhinted and scale up the glyph later on */ + /* (the engine uses and sets the hardcoded value 0x10000 / 64 = */ + /* 0x400 for both `x_scale' and `y_scale' in this case) */ + ((T1_GlyphSlot)decoder->builder.glyph)->hint = FALSE; + + *force_scaling = TRUE; + + error = decoder_funcs->parse_charstrings( + &psdecoder, + (FT_Byte*)char_string->pointer, + (FT_ULong)char_string->length ); + } + } + } + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + + /* Incremental fonts can optionally override the metrics. */ + if ( !error && inc && inc->funcs->get_glyph_metrics ) + { + FT_Incremental_MetricsRec metrics; + + + metrics.bearing_x = FIXED_TO_INT( decoder->builder.left_bearing.x ); + metrics.bearing_y = 0; + metrics.advance = FIXED_TO_INT( decoder->builder.advance.x ); + metrics.advance_v = FIXED_TO_INT( decoder->builder.advance.y ); + + error = inc->funcs->get_glyph_metrics( inc->object, + glyph_index, FALSE, &metrics ); + + decoder->builder.left_bearing.x = INT_TO_FIXED( metrics.bearing_x ); + decoder->builder.advance.x = INT_TO_FIXED( metrics.advance ); + decoder->builder.advance.y = INT_TO_FIXED( metrics.advance_v ); + } + +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + return error; + } + + + FT_CALLBACK_DEF( FT_Error ) + T1_Parse_Glyph( T1_Decoder decoder, + FT_UInt glyph_index ) + { + FT_Data glyph_data; + FT_Bool force_scaling = FALSE; + FT_Error error = T1_Parse_Glyph_And_Get_Char_String( + decoder, glyph_index, &glyph_data, + &force_scaling ); + + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + + if ( !error ) + { + T1_Face face = (T1_Face)decoder->builder.face; + + + if ( face->root.internal->incremental_interface ) + face->root.internal->incremental_interface->funcs->free_glyph_data( + face->root.internal->incremental_interface->object, + &glyph_data ); + } + +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + + return error; + } + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /********** *********/ + /********** COMPUTE THE MAXIMUM ADVANCE WIDTH *********/ + /********** *********/ + /********** The following code is in charge of computing *********/ + /********** the maximum advance width of the font. It *********/ + /********** quickly processes each glyph charstring to *********/ + /********** extract the value from either a `sbw' or `seac' *********/ + /********** operator. *********/ + /********** *********/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + FT_LOCAL_DEF( FT_Error ) + T1_Compute_Max_Advance( T1_Face face, + FT_Pos* max_advance ) + { + FT_Error error; + T1_DecoderRec decoder; + FT_Int glyph_index; + T1_Font type1 = &face->type1; + PSAux_Service psaux = (PSAux_Service)face->psaux; + + + FT_ASSERT( ( face->len_buildchar == 0 ) == ( face->buildchar == NULL ) ); + + *max_advance = 0; + + /* initialize load decoder */ + error = psaux->t1_decoder_funcs->init( &decoder, + (FT_Face)face, + 0, /* size */ + 0, /* glyph slot */ + (FT_Byte**)type1->glyph_names, + face->blend, + 0, + FT_RENDER_MODE_NORMAL, + T1_Parse_Glyph ); + if ( error ) + return error; + + decoder.builder.metrics_only = 1; + decoder.builder.load_points = 0; + + decoder.num_subrs = type1->num_subrs; + decoder.subrs = type1->subrs; + decoder.subrs_len = type1->subrs_len; + decoder.subrs_hash = type1->subrs_hash; + + decoder.buildchar = face->buildchar; + decoder.len_buildchar = face->len_buildchar; + + *max_advance = 0; + + /* for each glyph, parse the glyph charstring and extract */ + /* the advance width */ + for ( glyph_index = 0; glyph_index < type1->num_glyphs; glyph_index++ ) + { + /* now get load the unscaled outline */ + (void)T1_Parse_Glyph( &decoder, (FT_UInt)glyph_index ); + if ( glyph_index == 0 || decoder.builder.advance.x > *max_advance ) + *max_advance = decoder.builder.advance.x; + + /* ignore the error if one occurred - skip to next glyph */ + } + + psaux->t1_decoder_funcs->done( &decoder ); + + return FT_Err_Ok; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Get_Advances( FT_Face t1face, /* T1_Face */ + FT_UInt first, + FT_UInt count, + FT_Int32 load_flags, + FT_Fixed* advances ) + { + T1_Face face = (T1_Face)t1face; + T1_DecoderRec decoder; + T1_Font type1 = &face->type1; + PSAux_Service psaux = (PSAux_Service)face->psaux; + FT_UInt nn; + FT_Error error; + + + if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) + { + for ( nn = 0; nn < count; nn++ ) + advances[nn] = 0; + + return FT_Err_Ok; + } + + error = psaux->t1_decoder_funcs->init( &decoder, + (FT_Face)face, + 0, /* size */ + 0, /* glyph slot */ + (FT_Byte**)type1->glyph_names, + face->blend, + 0, + FT_RENDER_MODE_NORMAL, + T1_Parse_Glyph ); + if ( error ) + return error; + + decoder.builder.metrics_only = 1; + decoder.builder.load_points = 0; + + decoder.num_subrs = type1->num_subrs; + decoder.subrs = type1->subrs; + decoder.subrs_len = type1->subrs_len; + decoder.subrs_hash = type1->subrs_hash; + + decoder.buildchar = face->buildchar; + decoder.len_buildchar = face->len_buildchar; + + for ( nn = 0; nn < count; nn++ ) + { + error = T1_Parse_Glyph( &decoder, first + nn ); + if ( !error ) + advances[nn] = FIXED_TO_INT( decoder.builder.advance.x ); + else + advances[nn] = 0; + } + + return FT_Err_Ok; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Load_Glyph( FT_GlyphSlot t1glyph, /* T1_GlyphSlot */ + FT_Size t1size, /* T1_Size */ + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + T1_GlyphSlot glyph = (T1_GlyphSlot)t1glyph; + FT_Error error; + T1_DecoderRec decoder; + T1_Face face = (T1_Face)t1glyph->face; + FT_Bool hinting; + FT_Bool scaled; + FT_Bool force_scaling = FALSE; + T1_Font type1 = &face->type1; + PSAux_Service psaux = (PSAux_Service)face->psaux; + const T1_Decoder_Funcs decoder_funcs = psaux->t1_decoder_funcs; + + FT_Matrix font_matrix; + FT_Vector font_offset; + FT_Data glyph_data; + FT_Bool must_finish_decoder = FALSE; +#ifdef FT_CONFIG_OPTION_INCREMENTAL + FT_Bool glyph_data_loaded = 0; +#endif + + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( glyph_index >= (FT_UInt)face->root.num_glyphs && + !face->root.internal->incremental_interface ) +#else + if ( glyph_index >= (FT_UInt)face->root.num_glyphs ) +#endif /* FT_CONFIG_OPTION_INCREMENTAL */ + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + FT_TRACE1(( "T1_Load_Glyph: glyph index %d\n", glyph_index )); + + FT_ASSERT( ( face->len_buildchar == 0 ) == ( face->buildchar == NULL ) ); + + if ( load_flags & FT_LOAD_NO_RECURSE ) + load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING; + + if ( t1size ) + { + glyph->x_scale = t1size->metrics.x_scale; + glyph->y_scale = t1size->metrics.y_scale; + } + else + { + glyph->x_scale = 0x10000L; + glyph->y_scale = 0x10000L; + } + + t1glyph->outline.n_points = 0; + t1glyph->outline.n_contours = 0; + + hinting = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 && + ( load_flags & FT_LOAD_NO_HINTING ) == 0 ); + scaled = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 ); + + glyph->hint = hinting; + glyph->scaled = scaled; + t1glyph->format = FT_GLYPH_FORMAT_OUTLINE; + + error = decoder_funcs->init( &decoder, + t1glyph->face, + t1size, + t1glyph, + (FT_Byte**)type1->glyph_names, + face->blend, + FT_BOOL( hinting ), + FT_LOAD_TARGET_MODE( load_flags ), + T1_Parse_Glyph ); + if ( error ) + goto Exit; + + must_finish_decoder = TRUE; + + decoder.builder.no_recurse = FT_BOOL( + ( load_flags & FT_LOAD_NO_RECURSE ) != 0 ); + + decoder.num_subrs = type1->num_subrs; + decoder.subrs = type1->subrs; + decoder.subrs_len = type1->subrs_len; + decoder.subrs_hash = type1->subrs_hash; + + decoder.buildchar = face->buildchar; + decoder.len_buildchar = face->len_buildchar; + + /* now load the unscaled outline */ + error = T1_Parse_Glyph_And_Get_Char_String( &decoder, glyph_index, + &glyph_data, + &force_scaling ); + if ( error ) + goto Exit; +#ifdef FT_CONFIG_OPTION_INCREMENTAL + glyph_data_loaded = 1; +#endif + + hinting = glyph->hint; + font_matrix = decoder.font_matrix; + font_offset = decoder.font_offset; + + /* save new glyph tables */ + decoder_funcs->done( &decoder ); + + must_finish_decoder = FALSE; + + /* now, set the metrics -- this is rather simple, as */ + /* the left side bearing is the xMin, and the top side */ + /* bearing the yMax */ + if ( !error ) + { + t1glyph->outline.flags &= FT_OUTLINE_OWNER; + t1glyph->outline.flags |= FT_OUTLINE_REVERSE_FILL; + + /* for composite glyphs, return only left side bearing and */ + /* advance width */ + if ( load_flags & FT_LOAD_NO_RECURSE ) + { + FT_Slot_Internal internal = t1glyph->internal; + + + t1glyph->metrics.horiBearingX = + FIXED_TO_INT( decoder.builder.left_bearing.x ); + t1glyph->metrics.horiAdvance = + FIXED_TO_INT( decoder.builder.advance.x ); + + internal->glyph_matrix = font_matrix; + internal->glyph_delta = font_offset; + internal->glyph_transformed = 1; + } + else + { + FT_BBox cbox; + FT_Glyph_Metrics* metrics = &t1glyph->metrics; + + + /* copy the _unscaled_ advance width */ + metrics->horiAdvance = + FIXED_TO_INT( decoder.builder.advance.x ); + t1glyph->linearHoriAdvance = + FIXED_TO_INT( decoder.builder.advance.x ); + t1glyph->internal->glyph_transformed = 0; + + if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) + { + /* make up vertical ones */ + metrics->vertAdvance = ( face->type1.font_bbox.yMax - + face->type1.font_bbox.yMin ) >> 16; + t1glyph->linearVertAdvance = metrics->vertAdvance; + } + else + { + metrics->vertAdvance = + FIXED_TO_INT( decoder.builder.advance.y ); + t1glyph->linearVertAdvance = + FIXED_TO_INT( decoder.builder.advance.y ); + } + + t1glyph->format = FT_GLYPH_FORMAT_OUTLINE; + + if ( t1size && t1size->metrics.y_ppem < 24 ) + t1glyph->outline.flags |= FT_OUTLINE_HIGH_PRECISION; + +#if 1 + /* apply the font matrix, if any */ + if ( font_matrix.xx != 0x10000L || font_matrix.yy != 0x10000L || + font_matrix.xy != 0 || font_matrix.yx != 0 ) + { + FT_Outline_Transform( &t1glyph->outline, &font_matrix ); + + metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, + font_matrix.xx ); + metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, + font_matrix.yy ); + } + + if ( font_offset.x || font_offset.y ) + { + FT_Outline_Translate( &t1glyph->outline, + font_offset.x, + font_offset.y ); + + metrics->horiAdvance += font_offset.x; + metrics->vertAdvance += font_offset.y; + } +#endif + + if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 || force_scaling ) + { + /* scale the outline and the metrics */ + FT_Int n; + FT_Outline* cur = decoder.builder.base; + FT_Vector* vec = cur->points; + FT_Fixed x_scale = glyph->x_scale; + FT_Fixed y_scale = glyph->y_scale; + + + /* First of all, scale the points, if we are not hinting */ + if ( !hinting || ! decoder.builder.hints_funcs ) + for ( n = cur->n_points; n > 0; n--, vec++ ) + { + vec->x = FT_MulFix( vec->x, x_scale ); + vec->y = FT_MulFix( vec->y, y_scale ); + } + + /* Then scale the metrics */ + metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, x_scale ); + metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, y_scale ); + } + + /* compute the other metrics */ + FT_Outline_Get_CBox( &t1glyph->outline, &cbox ); + + metrics->width = cbox.xMax - cbox.xMin; + metrics->height = cbox.yMax - cbox.yMin; + + metrics->horiBearingX = cbox.xMin; + metrics->horiBearingY = cbox.yMax; + + if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) + { + /* make up vertical ones */ + ft_synthesize_vertical_metrics( metrics, + metrics->vertAdvance ); + } + } + + /* Set control data to the glyph charstrings. Note that this is */ + /* _not_ zero-terminated. */ + t1glyph->control_data = (FT_Byte*)glyph_data.pointer; + t1glyph->control_len = glyph_data.length; + } + + + Exit: + +#ifdef FT_CONFIG_OPTION_INCREMENTAL + if ( glyph_data_loaded && face->root.internal->incremental_interface ) + { + face->root.internal->incremental_interface->funcs->free_glyph_data( + face->root.internal->incremental_interface->object, + &glyph_data ); + + /* Set the control data to null - it is no longer available if */ + /* loaded incrementally. */ + t1glyph->control_data = NULL; + t1glyph->control_len = 0; + } +#endif + + if ( must_finish_decoder ) + decoder_funcs->done( &decoder ); + + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1gload.h b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1gload.h new file mode 100644 index 00000000000..72ef76f6ae3 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1gload.h @@ -0,0 +1,53 @@ +/***************************************************************************/ +/* */ +/* t1gload.h */ +/* */ +/* Type 1 Glyph Loader (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1GLOAD_H_ +#define T1GLOAD_H_ + + +#include <ft2build.h> +#include "t1objs.h" + + +FT_BEGIN_HEADER + + + FT_LOCAL( FT_Error ) + T1_Compute_Max_Advance( T1_Face face, + FT_Pos* max_advance ); + + FT_LOCAL( FT_Error ) + T1_Get_Advances( FT_Face face, + FT_UInt first, + FT_UInt count, + FT_Int32 load_flags, + FT_Fixed* advances ); + + FT_LOCAL( FT_Error ) + T1_Load_Glyph( FT_GlyphSlot glyph, + FT_Size size, + FT_UInt glyph_index, + FT_Int32 load_flags ); + + +FT_END_HEADER + +#endif /* T1GLOAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1load.c b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1load.c new file mode 100644 index 00000000000..2b8d4893c69 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1load.c @@ -0,0 +1,2502 @@ +/***************************************************************************/ +/* */ +/* t1load.c */ +/* */ +/* Type 1 font loader (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* This is the new and improved Type 1 data loader for FreeType 2. The */ + /* old loader has several problems: it is slow, complex, difficult to */ + /* maintain, and contains incredible hacks to make it accept some */ + /* ill-formed Type 1 fonts without hiccup-ing. Moreover, about 5% of */ + /* the Type 1 fonts on my machine still aren't loaded correctly by it. */ + /* */ + /* This version is much simpler, much faster and also easier to read and */ + /* maintain by a great order of magnitude. The idea behind it is to */ + /* _not_ try to read the Type 1 token stream with a state machine (i.e. */ + /* a Postscript-like interpreter) but rather to perform simple pattern */ + /* matching. */ + /* */ + /* Indeed, nearly all data definitions follow a simple pattern like */ + /* */ + /* ... /Field <data> ... */ + /* */ + /* where <data> can be a number, a boolean, a string, or an array of */ + /* numbers. There are a few exceptions, namely the encoding, font name, */ + /* charstrings, and subrs; they are handled with a special pattern */ + /* matching routine. */ + /* */ + /* All other common cases are handled very simply. The matching rules */ + /* are defined in the file `t1tokens.h' through the use of several */ + /* macros calls PARSE_XXX. This file is included twice here; the first */ + /* time to generate parsing callback functions, the second time to */ + /* generate a table of keywords (with pointers to the associated */ + /* callback functions). */ + /* */ + /* The function `parse_dict' simply scans *linearly* a given dictionary */ + /* (either the top-level or private one) and calls the appropriate */ + /* callback when it encounters an immediate keyword. */ + /* */ + /* This is by far the fastest way one can find to parse and read all */ + /* data. */ + /* */ + /* This led to tremendous code size reduction. Note that later, the */ + /* glyph loader will also be _greatly_ simplified, and the automatic */ + /* hinter will replace the clumsy `t1hinter'. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_CONFIG_CONFIG_H +#include FT_MULTIPLE_MASTERS_H +#include FT_INTERNAL_TYPE1_TYPES_H +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_HASH_H + +#include "t1load.h" +#include "t1errors.h" + + +#ifdef FT_CONFIG_OPTION_INCREMENTAL +#define IS_INCREMENTAL (FT_Bool)( face->root.internal->incremental_interface != 0 ) +#else +#define IS_INCREMENTAL 0 +#endif + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_t1load + + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** MULTIPLE MASTERS SUPPORT *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + static FT_Error + t1_allocate_blend( T1_Face face, + FT_UInt num_designs, + FT_UInt num_axis ) + { + PS_Blend blend; + FT_Memory memory = face->root.memory; + FT_Error error = FT_Err_Ok; + + + blend = face->blend; + if ( !blend ) + { + if ( FT_NEW( blend ) ) + goto Exit; + + blend->num_default_design_vector = 0; + + face->blend = blend; + } + + /* allocate design data if needed */ + if ( num_designs > 0 ) + { + if ( blend->num_designs == 0 ) + { + FT_UInt nn; + + + /* allocate the blend `private' and `font_info' dictionaries */ + if ( FT_NEW_ARRAY( blend->font_infos[1], num_designs ) || + FT_NEW_ARRAY( blend->privates [1], num_designs ) || + FT_NEW_ARRAY( blend->bboxes [1], num_designs ) || + FT_NEW_ARRAY( blend->weight_vector, num_designs * 2 ) ) + goto Exit; + + blend->default_weight_vector = blend->weight_vector + num_designs; + + blend->font_infos[0] = &face->type1.font_info; + blend->privates [0] = &face->type1.private_dict; + blend->bboxes [0] = &face->type1.font_bbox; + + for ( nn = 2; nn <= num_designs; nn++ ) + { + blend->font_infos[nn] = blend->font_infos[nn - 1] + 1; + blend->privates [nn] = blend->privates [nn - 1] + 1; + blend->bboxes [nn] = blend->bboxes [nn - 1] + 1; + } + + blend->num_designs = num_designs; + } + else if ( blend->num_designs != num_designs ) + goto Fail; + } + + /* allocate axis data if needed */ + if ( num_axis > 0 ) + { + if ( blend->num_axis != 0 && blend->num_axis != num_axis ) + goto Fail; + + blend->num_axis = num_axis; + } + + /* allocate the blend design pos table if needed */ + num_designs = blend->num_designs; + num_axis = blend->num_axis; + if ( num_designs && num_axis && blend->design_pos[0] == 0 ) + { + FT_UInt n; + + + if ( FT_NEW_ARRAY( blend->design_pos[0], num_designs * num_axis ) ) + goto Exit; + + for ( n = 1; n < num_designs; n++ ) + blend->design_pos[n] = blend->design_pos[0] + num_axis * n; + } + + Exit: + return error; + + Fail: + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Get_Multi_Master( T1_Face face, + FT_Multi_Master* master ) + { + PS_Blend blend = face->blend; + FT_UInt n; + FT_Error error; + + + error = FT_THROW( Invalid_Argument ); + + if ( blend ) + { + master->num_axis = blend->num_axis; + master->num_designs = blend->num_designs; + + for ( n = 0; n < blend->num_axis; n++ ) + { + FT_MM_Axis* axis = master->axis + n; + PS_DesignMap map = blend->design_map + n; + + + axis->name = blend->axis_names[n]; + axis->minimum = map->design_points[0]; + axis->maximum = map->design_points[map->num_points - 1]; + } + + error = FT_Err_Ok; + } + + return error; + } + + + /*************************************************************************/ + /* */ + /* Given a normalized (blend) coordinate, figure out the design */ + /* coordinate appropriate for that value. */ + /* */ + static FT_Fixed + mm_axis_unmap( PS_DesignMap axismap, + FT_Fixed ncv ) + { + int j; + + + if ( ncv <= axismap->blend_points[0] ) + return INT_TO_FIXED( axismap->design_points[0] ); + + for ( j = 1; j < axismap->num_points; j++ ) + { + if ( ncv <= axismap->blend_points[j] ) + return INT_TO_FIXED( axismap->design_points[j - 1] ) + + ( axismap->design_points[j] - axismap->design_points[j - 1] ) * + FT_DivFix( ncv - axismap->blend_points[j - 1], + axismap->blend_points[j] - + axismap->blend_points[j - 1] ); + } + + return INT_TO_FIXED( axismap->design_points[axismap->num_points - 1] ); + } + + + /*************************************************************************/ + /* */ + /* Given a vector of weights, one for each design, figure out the */ + /* normalized axis coordinates which gave rise to those weights. */ + /* */ + static void + mm_weights_unmap( FT_Fixed* weights, + FT_Fixed* axiscoords, + FT_UInt axis_count ) + { + FT_ASSERT( axis_count <= T1_MAX_MM_AXIS ); + + if ( axis_count == 1 ) + axiscoords[0] = weights[1]; + + else if ( axis_count == 2 ) + { + axiscoords[0] = weights[3] + weights[1]; + axiscoords[1] = weights[3] + weights[2]; + } + + else if ( axis_count == 3 ) + { + axiscoords[0] = weights[7] + weights[5] + weights[3] + weights[1]; + axiscoords[1] = weights[7] + weights[6] + weights[3] + weights[2]; + axiscoords[2] = weights[7] + weights[6] + weights[5] + weights[4]; + } + + else + { + axiscoords[0] = weights[15] + weights[13] + weights[11] + weights[9] + + weights[7] + weights[5] + weights[3] + weights[1]; + axiscoords[1] = weights[15] + weights[14] + weights[11] + weights[10] + + weights[7] + weights[6] + weights[3] + weights[2]; + axiscoords[2] = weights[15] + weights[14] + weights[13] + weights[12] + + weights[7] + weights[6] + weights[5] + weights[4]; + axiscoords[3] = weights[15] + weights[14] + weights[13] + weights[12] + + weights[11] + weights[10] + weights[9] + weights[8]; + } + } + + + /*************************************************************************/ + /* */ + /* Just a wrapper around T1_Get_Multi_Master to support the different */ + /* arguments needed by the GX var distortable fonts. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + T1_Get_MM_Var( T1_Face face, + FT_MM_Var* *master ) + { + FT_Memory memory = face->root.memory; + FT_MM_Var *mmvar = NULL; + FT_Multi_Master mmaster; + FT_Error error; + FT_UInt i; + FT_Fixed axiscoords[T1_MAX_MM_AXIS]; + PS_Blend blend = face->blend; + + + error = T1_Get_Multi_Master( face, &mmaster ); + if ( error ) + goto Exit; + if ( FT_ALLOC( mmvar, + sizeof ( FT_MM_Var ) + + mmaster.num_axis * sizeof ( FT_Var_Axis ) ) ) + goto Exit; + + mmvar->num_axis = mmaster.num_axis; + mmvar->num_designs = mmaster.num_designs; + mmvar->num_namedstyles = 0; /* Not supported */ + mmvar->axis = (FT_Var_Axis*)&mmvar[1]; + /* Point to axes after MM_Var struct */ + mmvar->namedstyle = NULL; + + for ( i = 0; i < mmaster.num_axis; i++ ) + { + mmvar->axis[i].name = mmaster.axis[i].name; + mmvar->axis[i].minimum = INT_TO_FIXED( mmaster.axis[i].minimum ); + mmvar->axis[i].maximum = INT_TO_FIXED( mmaster.axis[i].maximum ); + mmvar->axis[i].def = ( mmvar->axis[i].minimum + + mmvar->axis[i].maximum ) / 2; + /* Does not apply. But this value is in range */ + mmvar->axis[i].strid = ~0U; /* Does not apply */ + mmvar->axis[i].tag = ~0U; /* Does not apply */ + + if ( !mmvar->axis[i].name ) + continue; + + if ( ft_strcmp( mmvar->axis[i].name, "Weight" ) == 0 ) + mmvar->axis[i].tag = FT_MAKE_TAG( 'w', 'g', 'h', 't' ); + else if ( ft_strcmp( mmvar->axis[i].name, "Width" ) == 0 ) + mmvar->axis[i].tag = FT_MAKE_TAG( 'w', 'd', 't', 'h' ); + else if ( ft_strcmp( mmvar->axis[i].name, "OpticalSize" ) == 0 ) + mmvar->axis[i].tag = FT_MAKE_TAG( 'o', 'p', 's', 'z' ); + } + + if ( blend->num_designs == ( 1U << blend->num_axis ) ) + { + mm_weights_unmap( blend->default_weight_vector, + axiscoords, + blend->num_axis ); + + for ( i = 0; i < mmaster.num_axis; i++ ) + mmvar->axis[i].def = mm_axis_unmap( &blend->design_map[i], + axiscoords[i] ); + } + + *master = mmvar; + + Exit: + return error; + } + + + static FT_Error + t1_set_mm_blend( T1_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + PS_Blend blend = face->blend; + FT_UInt n, m; + + FT_Bool have_diff = 0; + + + if ( !blend ) + return FT_THROW( Invalid_Argument ); + + if ( num_coords > blend->num_axis ) + num_coords = blend->num_axis; + + /* recompute the weight vector from the blend coordinates */ + for ( n = 0; n < blend->num_designs; n++ ) + { + FT_Fixed result = 0x10000L; /* 1.0 fixed */ + + + for ( m = 0; m < blend->num_axis; m++ ) + { + FT_Fixed factor; + + + /* get current blend axis position; */ + /* use a default value if we don't have a coordinate */ + factor = m < num_coords ? coords[m] : 0x8000; + if ( factor < 0 ) + factor = 0; + if ( factor > 0x10000L ) + factor = 0x10000L; + + if ( ( n & ( 1 << m ) ) == 0 ) + factor = 0x10000L - factor; + + result = FT_MulFix( result, factor ); + } + + if ( blend->weight_vector[n] != result ) + { + blend->weight_vector[n] = result; + have_diff = 1; + } + } + + /* return value -1 indicates `no change' */ + return have_diff ? FT_Err_Ok : -1; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Set_MM_Blend( T1_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Error error; + + + error = t1_set_mm_blend( face, num_coords, coords ); + if ( error ) + return error; + + if ( num_coords ) + face->root.face_flags |= FT_FACE_FLAG_VARIATION; + else + face->root.face_flags &= ~FT_FACE_FLAG_VARIATION; + + return FT_Err_Ok; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Get_MM_Blend( T1_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + PS_Blend blend = face->blend; + + FT_Fixed axiscoords[4]; + FT_UInt i, nc; + + + if ( !blend ) + return FT_THROW( Invalid_Argument ); + + mm_weights_unmap( blend->weight_vector, + axiscoords, + blend->num_axis ); + + nc = num_coords; + if ( num_coords > blend->num_axis ) + { + FT_TRACE2(( "T1_Get_MM_Blend: only using first %d of %d coordinates\n", + blend->num_axis, num_coords )); + nc = blend->num_axis; + } + + for ( i = 0; i < nc; i++ ) + coords[i] = axiscoords[i]; + for ( ; i < num_coords; i++ ) + coords[i] = 0x8000; + + return FT_Err_Ok; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Set_MM_Design( T1_Face face, + FT_UInt num_coords, + FT_Long* coords ) + { + FT_Error error; + PS_Blend blend = face->blend; + FT_UInt n, p; + FT_Fixed final_blends[T1_MAX_MM_DESIGNS]; + + + if ( !blend ) + return FT_THROW( Invalid_Argument ); + + if ( num_coords > blend->num_axis ) + num_coords = blend->num_axis; + + /* compute the blend coordinates through the blend design map */ + + for ( n = 0; n < blend->num_axis; n++ ) + { + FT_Long design; + FT_Fixed the_blend; + PS_DesignMap map = blend->design_map + n; + FT_Long* designs = map->design_points; + FT_Fixed* blends = map->blend_points; + FT_Int before = -1, after = -1; + + + /* use a default value if we don't have a coordinate */ + if ( n < num_coords ) + design = coords[n]; + else + design = ( designs[map->num_points - 1] - designs[0] ) / 2; + + for ( p = 0; p < (FT_UInt)map->num_points; p++ ) + { + FT_Long p_design = designs[p]; + + + /* exact match? */ + if ( design == p_design ) + { + the_blend = blends[p]; + goto Found; + } + + if ( design < p_design ) + { + after = (FT_Int)p; + break; + } + + before = (FT_Int)p; + } + + /* now interpolate if necessary */ + if ( before < 0 ) + the_blend = blends[0]; + + else if ( after < 0 ) + the_blend = blends[map->num_points - 1]; + + else + the_blend = FT_MulDiv( design - designs[before], + blends [after] - blends [before], + designs[after] - designs[before] ); + + Found: + final_blends[n] = the_blend; + } + + error = t1_set_mm_blend( face, blend->num_axis, final_blends ); + if ( error ) + return error; + + if ( num_coords ) + face->root.face_flags |= FT_FACE_FLAG_VARIATION; + else + face->root.face_flags &= ~FT_FACE_FLAG_VARIATION; + + return FT_Err_Ok; + } + + + /* MM fonts don't have named instances, so only the design is reset */ + + FT_LOCAL_DEF( FT_Error ) + T1_Reset_MM_Blend( T1_Face face, + FT_UInt instance_index ) + { + FT_UNUSED( instance_index ); + + return T1_Set_MM_Blend( face, 0, NULL ); + } + + + /*************************************************************************/ + /* */ + /* Just a wrapper around T1_Set_MM_Design to support the different */ + /* arguments needed by the GX var distortable fonts. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + T1_Set_Var_Design( T1_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + FT_Long lcoords[T1_MAX_MM_AXIS]; + FT_UInt i; + + + if ( num_coords > T1_MAX_MM_AXIS ) + num_coords = T1_MAX_MM_AXIS; + + for ( i = 0; i < num_coords; i++ ) + lcoords[i] = FIXED_TO_INT( coords[i] ); + + return T1_Set_MM_Design( face, num_coords, lcoords ); + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Get_Var_Design( T1_Face face, + FT_UInt num_coords, + FT_Fixed* coords ) + { + PS_Blend blend = face->blend; + + FT_Fixed axiscoords[4]; + FT_UInt i, nc; + + + if ( !blend ) + return FT_THROW( Invalid_Argument ); + + mm_weights_unmap( blend->weight_vector, + axiscoords, + blend->num_axis ); + + nc = num_coords; + if ( num_coords > blend->num_axis ) + { + FT_TRACE2(( "T1_Get_Var_Design:" + " only using first %d of %d coordinates\n", + blend->num_axis, num_coords )); + nc = blend->num_axis; + } + + for ( i = 0; i < nc; i++ ) + coords[i] = mm_axis_unmap( &blend->design_map[i], axiscoords[i] ); + for ( ; i < num_coords; i++ ) + coords[i] = 0; + + return FT_Err_Ok; + } + + + FT_LOCAL_DEF( void ) + T1_Done_Blend( T1_Face face ) + { + FT_Memory memory = face->root.memory; + PS_Blend blend = face->blend; + + + if ( blend ) + { + FT_UInt num_designs = blend->num_designs; + FT_UInt num_axis = blend->num_axis; + FT_UInt n; + + + /* release design pos table */ + FT_FREE( blend->design_pos[0] ); + for ( n = 1; n < num_designs; n++ ) + blend->design_pos[n] = NULL; + + /* release blend `private' and `font info' dictionaries */ + FT_FREE( blend->privates[1] ); + FT_FREE( blend->font_infos[1] ); + FT_FREE( blend->bboxes[1] ); + + for ( n = 0; n < num_designs; n++ ) + { + blend->privates [n] = NULL; + blend->font_infos[n] = NULL; + blend->bboxes [n] = NULL; + } + + /* release weight vectors */ + FT_FREE( blend->weight_vector ); + blend->default_weight_vector = NULL; + + /* release axis names */ + for ( n = 0; n < num_axis; n++ ) + FT_FREE( blend->axis_names[n] ); + + /* release design map */ + for ( n = 0; n < num_axis; n++ ) + { + PS_DesignMap dmap = blend->design_map + n; + + + FT_FREE( dmap->design_points ); + dmap->num_points = 0; + } + + FT_FREE( face->blend ); + } + } + + + static void + parse_blend_axis_types( T1_Face face, + T1_Loader loader ) + { + T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; + FT_Int n, num_axis; + FT_Error error = FT_Err_Ok; + PS_Blend blend; + FT_Memory memory; + + + /* take an array of objects */ + T1_ToTokenArray( &loader->parser, axis_tokens, + T1_MAX_MM_AXIS, &num_axis ); + if ( num_axis < 0 ) + { + error = FT_ERR( Ignore ); + goto Exit; + } + if ( num_axis == 0 || num_axis > T1_MAX_MM_AXIS ) + { + FT_ERROR(( "parse_blend_axis_types: incorrect number of axes: %d\n", + num_axis )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* allocate blend if necessary */ + error = t1_allocate_blend( face, 0, (FT_UInt)num_axis ); + if ( error ) + goto Exit; + + blend = face->blend; + memory = face->root.memory; + + /* each token is an immediate containing the name of the axis */ + for ( n = 0; n < num_axis; n++ ) + { + T1_Token token = axis_tokens + n; + FT_Byte* name; + FT_UInt len; + + + /* skip first slash, if any */ + if ( token->start[0] == '/' ) + token->start++; + + len = (FT_UInt)( token->limit - token->start ); + if ( len == 0 ) + { + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + name = (FT_Byte*)blend->axis_names[n]; + if ( name ) + { + FT_TRACE0(( "parse_blend_axis_types:" + " overwriting axis name `%s' with `%*.s'\n", + name, len, token->start )); + FT_FREE( name ); + } + + if ( FT_ALLOC( blend->axis_names[n], len + 1 ) ) + goto Exit; + + name = (FT_Byte*)blend->axis_names[n]; + FT_MEM_COPY( name, token->start, len ); + name[len] = '\0'; + } + + Exit: + loader->parser.root.error = error; + } + + + static void + parse_blend_design_positions( T1_Face face, + T1_Loader loader ) + { + T1_TokenRec design_tokens[T1_MAX_MM_DESIGNS]; + FT_Int num_designs; + FT_Int num_axis; + T1_Parser parser = &loader->parser; + + FT_Error error = FT_Err_Ok; + PS_Blend blend; + + + /* get the array of design tokens -- compute number of designs */ + T1_ToTokenArray( parser, design_tokens, + T1_MAX_MM_DESIGNS, &num_designs ); + if ( num_designs < 0 ) + { + error = FT_ERR( Ignore ); + goto Exit; + } + if ( num_designs == 0 || num_designs > T1_MAX_MM_DESIGNS ) + { + FT_ERROR(( "parse_blend_design_positions:" + " incorrect number of designs: %d\n", + num_designs )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + { + FT_Byte* old_cursor = parser->root.cursor; + FT_Byte* old_limit = parser->root.limit; + FT_Int n; + + + blend = face->blend; + num_axis = 0; /* make compiler happy */ + + for ( n = 0; n < num_designs; n++ ) + { + T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; + T1_Token token; + FT_Int axis, n_axis; + + + /* read axis/coordinates tokens */ + token = design_tokens + n; + parser->root.cursor = token->start; + parser->root.limit = token->limit; + T1_ToTokenArray( parser, axis_tokens, T1_MAX_MM_AXIS, &n_axis ); + + if ( n == 0 ) + { + if ( n_axis <= 0 || n_axis > T1_MAX_MM_AXIS ) + { + FT_ERROR(( "parse_blend_design_positions:" + " invalid number of axes: %d\n", + n_axis )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + num_axis = n_axis; + error = t1_allocate_blend( face, + (FT_UInt)num_designs, + (FT_UInt)num_axis ); + if ( error ) + goto Exit; + blend = face->blend; + } + else if ( n_axis != num_axis ) + { + FT_ERROR(( "parse_blend_design_positions: incorrect table\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* now read each axis token into the design position */ + for ( axis = 0; axis < n_axis; axis++ ) + { + T1_Token token2 = axis_tokens + axis; + + + parser->root.cursor = token2->start; + parser->root.limit = token2->limit; + blend->design_pos[n][axis] = T1_ToFixed( parser, 0 ); + } + } + + loader->parser.root.cursor = old_cursor; + loader->parser.root.limit = old_limit; + } + + Exit: + loader->parser.root.error = error; + } + + + static void + parse_blend_design_map( T1_Face face, + T1_Loader loader ) + { + FT_Error error = FT_Err_Ok; + T1_Parser parser = &loader->parser; + PS_Blend blend; + T1_TokenRec axis_tokens[T1_MAX_MM_AXIS]; + FT_Int n, num_axis; + FT_Byte* old_cursor; + FT_Byte* old_limit; + FT_Memory memory = face->root.memory; + + + T1_ToTokenArray( parser, axis_tokens, + T1_MAX_MM_AXIS, &num_axis ); + if ( num_axis < 0 ) + { + error = FT_ERR( Ignore ); + goto Exit; + } + if ( num_axis == 0 || num_axis > T1_MAX_MM_AXIS ) + { + FT_ERROR(( "parse_blend_design_map: incorrect number of axes: %d\n", + num_axis )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + old_cursor = parser->root.cursor; + old_limit = parser->root.limit; + + error = t1_allocate_blend( face, 0, (FT_UInt)num_axis ); + if ( error ) + goto Exit; + blend = face->blend; + + /* now read each axis design map */ + for ( n = 0; n < num_axis; n++ ) + { + PS_DesignMap map = blend->design_map + n; + T1_Token axis_token; + T1_TokenRec point_tokens[T1_MAX_MM_MAP_POINTS]; + FT_Int p, num_points; + + + axis_token = axis_tokens + n; + + parser->root.cursor = axis_token->start; + parser->root.limit = axis_token->limit; + T1_ToTokenArray( parser, point_tokens, + T1_MAX_MM_MAP_POINTS, &num_points ); + + if ( num_points <= 0 || num_points > T1_MAX_MM_MAP_POINTS ) + { + FT_ERROR(( "parse_blend_design_map: incorrect table\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( map->design_points ) + { + FT_ERROR(( "parse_blend_design_map: duplicate table\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + /* allocate design map data */ + if ( FT_NEW_ARRAY( map->design_points, num_points * 2 ) ) + goto Exit; + map->blend_points = map->design_points + num_points; + map->num_points = (FT_Byte)num_points; + + for ( p = 0; p < num_points; p++ ) + { + T1_Token point_token; + + + point_token = point_tokens + p; + + /* don't include delimiting brackets */ + parser->root.cursor = point_token->start + 1; + parser->root.limit = point_token->limit - 1; + + map->design_points[p] = T1_ToInt( parser ); + map->blend_points [p] = T1_ToFixed( parser, 0 ); + } + } + + parser->root.cursor = old_cursor; + parser->root.limit = old_limit; + + Exit: + parser->root.error = error; + } + + + static void + parse_weight_vector( T1_Face face, + T1_Loader loader ) + { + T1_TokenRec design_tokens[T1_MAX_MM_DESIGNS]; + FT_Int num_designs; + FT_Error error = FT_Err_Ok; + T1_Parser parser = &loader->parser; + PS_Blend blend = face->blend; + T1_Token token; + FT_Int n; + FT_Byte* old_cursor; + FT_Byte* old_limit; + + + T1_ToTokenArray( parser, design_tokens, + T1_MAX_MM_DESIGNS, &num_designs ); + if ( num_designs < 0 ) + { + error = FT_ERR( Ignore ); + goto Exit; + } + if ( num_designs == 0 || num_designs > T1_MAX_MM_DESIGNS ) + { + FT_ERROR(( "parse_weight_vector:" + " incorrect number of designs: %d\n", + num_designs )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + if ( !blend || !blend->num_designs ) + { + error = t1_allocate_blend( face, (FT_UInt)num_designs, 0 ); + if ( error ) + goto Exit; + blend = face->blend; + } + else if ( blend->num_designs != (FT_UInt)num_designs ) + { + FT_ERROR(( "parse_weight_vector:" + " /BlendDesignPosition and /WeightVector have\n" + " " + " different number of elements\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + old_cursor = parser->root.cursor; + old_limit = parser->root.limit; + + for ( n = 0; n < num_designs; n++ ) + { + token = design_tokens + n; + parser->root.cursor = token->start; + parser->root.limit = token->limit; + + blend->default_weight_vector[n] = + blend->weight_vector[n] = T1_ToFixed( parser, 0 ); + } + + parser->root.cursor = old_cursor; + parser->root.limit = old_limit; + + Exit: + parser->root.error = error; + } + + + /* e.g., /BuildCharArray [0 0 0 0 0 0 0 0] def */ + /* we're only interested in the number of array elements */ + static void + parse_buildchar( T1_Face face, + T1_Loader loader ) + { + face->len_buildchar = (FT_UInt)T1_ToFixedArray( &loader->parser, + 0, NULL, 0 ); + return; + } + + +#endif /* !T1_CONFIG_OPTION_NO_MM_SUPPORT */ + + + + + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** TYPE 1 SYMBOL PARSING *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + + static FT_Error + t1_load_keyword( T1_Face face, + T1_Loader loader, + const T1_Field field ) + { + FT_Error error; + void* dummy_object; + void** objects; + FT_UInt max_objects; + PS_Blend blend = face->blend; + + + if ( blend && blend->num_designs == 0 ) + blend = NULL; + + /* if the keyword has a dedicated callback, call it */ + if ( field->type == T1_FIELD_TYPE_CALLBACK ) + { + field->reader( (FT_Face)face, loader ); + error = loader->parser.root.error; + goto Exit; + } + + /* now, the keyword is either a simple field, or a table of fields; */ + /* we are now going to take care of it */ + switch ( field->location ) + { + case T1_FIELD_LOCATION_FONT_INFO: + dummy_object = &face->type1.font_info; + objects = &dummy_object; + max_objects = 0; + + if ( blend ) + { + objects = (void**)blend->font_infos; + max_objects = blend->num_designs; + } + break; + + case T1_FIELD_LOCATION_FONT_EXTRA: + dummy_object = &face->type1.font_extra; + objects = &dummy_object; + max_objects = 0; + break; + + case T1_FIELD_LOCATION_PRIVATE: + dummy_object = &face->type1.private_dict; + objects = &dummy_object; + max_objects = 0; + + if ( blend ) + { + objects = (void**)blend->privates; + max_objects = blend->num_designs; + } + break; + + case T1_FIELD_LOCATION_BBOX: + dummy_object = &face->type1.font_bbox; + objects = &dummy_object; + max_objects = 0; + + if ( blend ) + { + objects = (void**)blend->bboxes; + max_objects = blend->num_designs; + } + break; + + case T1_FIELD_LOCATION_LOADER: + dummy_object = loader; + objects = &dummy_object; + max_objects = 0; + break; + + case T1_FIELD_LOCATION_FACE: + dummy_object = face; + objects = &dummy_object; + max_objects = 0; + break; + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + case T1_FIELD_LOCATION_BLEND: + dummy_object = face->blend; + objects = &dummy_object; + max_objects = 0; + break; +#endif + + default: + dummy_object = &face->type1; + objects = &dummy_object; + max_objects = 0; + } + + if ( *objects ) + { + if ( field->type == T1_FIELD_TYPE_INTEGER_ARRAY || + field->type == T1_FIELD_TYPE_FIXED_ARRAY ) + error = T1_Load_Field_Table( &loader->parser, field, + objects, max_objects, 0 ); + else + error = T1_Load_Field( &loader->parser, field, + objects, max_objects, 0 ); + } + else + { + FT_TRACE1(( "t1_load_keyword: ignoring keyword `%s'" + " which is not valid at this point\n" + " (probably due to missing keywords)\n", + field->ident )); + error = FT_Err_Ok; + } + + Exit: + return error; + } + + + static void + parse_private( T1_Face face, + T1_Loader loader ) + { + FT_UNUSED( face ); + + loader->keywords_encountered |= T1_PRIVATE; + } + + + /* return 1 in case of success */ + + static int + read_binary_data( T1_Parser parser, + FT_ULong* size, + FT_Byte** base, + FT_Bool incremental ) + { + FT_Byte* cur; + FT_Byte* limit = parser->root.limit; + + + /* the binary data has one of the following formats */ + /* */ + /* `size' [white*] RD white ....... ND */ + /* `size' [white*] -| white ....... |- */ + /* */ + + T1_Skip_Spaces( parser ); + + cur = parser->root.cursor; + + if ( cur < limit && ft_isdigit( *cur ) ) + { + FT_Long s = T1_ToInt( parser ); + + + T1_Skip_PS_Token( parser ); /* `RD' or `-|' or something else */ + + /* there is only one whitespace char after the */ + /* `RD' or `-|' token */ + *base = parser->root.cursor + 1; + + if ( s >= 0 && s < limit - *base ) + { + parser->root.cursor += s + 1; + *size = (FT_ULong)s; + return !parser->root.error; + } + } + + if( !incremental ) + { + FT_ERROR(( "read_binary_data: invalid size field\n" )); + parser->root.error = FT_THROW( Invalid_File_Format ); + } + + return 0; + } + + + /* We now define the routines to handle the `/Encoding', `/Subrs', */ + /* and `/CharStrings' dictionaries. */ + + static void + t1_parse_font_matrix( T1_Face face, + T1_Loader loader ) + { + T1_Parser parser = &loader->parser; + FT_Matrix* matrix = &face->type1.font_matrix; + FT_Vector* offset = &face->type1.font_offset; + FT_Face root = (FT_Face)&face->root; + FT_Fixed temp[6]; + FT_Fixed temp_scale; + FT_Int result; + + + /* input is scaled by 1000 to accommodate default FontMatrix */ + result = T1_ToFixedArray( parser, 6, temp, 3 ); + + if ( result < 6 ) + { + parser->root.error = FT_THROW( Invalid_File_Format ); + return; + } + + temp_scale = FT_ABS( temp[3] ); + + if ( temp_scale == 0 ) + { + FT_ERROR(( "t1_parse_font_matrix: invalid font matrix\n" )); + parser->root.error = FT_THROW( Invalid_File_Format ); + return; + } + + /* atypical case */ + if ( temp_scale != 0x10000L ) + { + /* set units per EM based on FontMatrix values */ + root->units_per_EM = (FT_UShort)FT_DivFix( 1000, temp_scale ); + + temp[0] = FT_DivFix( temp[0], temp_scale ); + temp[1] = FT_DivFix( temp[1], temp_scale ); + temp[2] = FT_DivFix( temp[2], temp_scale ); + temp[4] = FT_DivFix( temp[4], temp_scale ); + temp[5] = FT_DivFix( temp[5], temp_scale ); + temp[3] = temp[3] < 0 ? -0x10000L : 0x10000L; + } + + matrix->xx = temp[0]; + matrix->yx = temp[1]; + matrix->xy = temp[2]; + matrix->yy = temp[3]; + + /* note that the offsets must be expressed in integer font units */ + offset->x = temp[4] >> 16; + offset->y = temp[5] >> 16; + } + + + static void + parse_encoding( T1_Face face, + T1_Loader loader ) + { + T1_Parser parser = &loader->parser; + FT_Byte* cur; + FT_Byte* limit = parser->root.limit; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + + + T1_Skip_Spaces( parser ); + cur = parser->root.cursor; + if ( cur >= limit ) + { + FT_ERROR(( "parse_encoding: out of bounds\n" )); + parser->root.error = FT_THROW( Invalid_File_Format ); + return; + } + + /* if we have a number or `[', the encoding is an array, */ + /* and we must load it now */ + if ( ft_isdigit( *cur ) || *cur == '[' ) + { + T1_Encoding encode = &face->type1.encoding; + FT_Int count, array_size, n; + PS_Table char_table = &loader->encoding_table; + FT_Memory memory = parser->root.memory; + FT_Error error; + FT_Bool only_immediates = 0; + + + /* read the number of entries in the encoding; should be 256 */ + if ( *cur == '[' ) + { + count = 256; + only_immediates = 1; + parser->root.cursor++; + } + else + count = (FT_Int)T1_ToInt( parser ); + + array_size = count; + if ( count > 256 ) + { + FT_TRACE2(( "parse_encoding:" + " only using first 256 encoding array entries\n" )); + array_size = 256; + } + + T1_Skip_Spaces( parser ); + if ( parser->root.cursor >= limit ) + return; + + /* PostScript happily allows overwriting of encoding arrays */ + if ( encode->char_index ) + { + FT_FREE( encode->char_index ); + FT_FREE( encode->char_name ); + T1_Release_Table( char_table ); + } + + /* we use a T1_Table to store our charnames */ + loader->num_chars = encode->num_chars = array_size; + if ( FT_NEW_ARRAY( encode->char_index, array_size ) || + FT_NEW_ARRAY( encode->char_name, array_size ) || + FT_SET_ERROR( psaux->ps_table_funcs->init( + char_table, array_size, memory ) ) ) + { + parser->root.error = error; + return; + } + + /* We need to `zero' out encoding_table.elements */ + for ( n = 0; n < array_size; n++ ) + { + char* notdef = (char *)".notdef"; + + + (void)T1_Add_Table( char_table, n, notdef, 8 ); + } + + /* Now we need to read records of the form */ + /* */ + /* ... charcode /charname ... */ + /* */ + /* for each entry in our table. */ + /* */ + /* We simply look for a number followed by an immediate */ + /* name. Note that this ignores correctly the sequence */ + /* that is often seen in type1 fonts: */ + /* */ + /* 0 1 255 { 1 index exch /.notdef put } for dup */ + /* */ + /* used to clean the encoding array before anything else. */ + /* */ + /* Alternatively, if the array is directly given as */ + /* */ + /* /Encoding [ ... ] */ + /* */ + /* we only read immediates. */ + + n = 0; + T1_Skip_Spaces( parser ); + + while ( parser->root.cursor < limit ) + { + cur = parser->root.cursor; + + /* we stop when we encounter a `def' or `]' */ + if ( *cur == 'd' && cur + 3 < limit ) + { + if ( cur[1] == 'e' && + cur[2] == 'f' && + IS_PS_DELIM( cur[3] ) ) + { + FT_TRACE6(( "encoding end\n" )); + cur += 3; + break; + } + } + if ( *cur == ']' ) + { + FT_TRACE6(( "encoding end\n" )); + cur++; + break; + } + + /* check whether we've found an entry */ + if ( ft_isdigit( *cur ) || only_immediates ) + { + FT_Int charcode; + + + if ( only_immediates ) + charcode = n; + else + { + charcode = (FT_Int)T1_ToInt( parser ); + T1_Skip_Spaces( parser ); + + /* protect against invalid charcode */ + if ( cur == parser->root.cursor ) + { + parser->root.error = FT_THROW( Unknown_File_Format ); + return; + } + } + + cur = parser->root.cursor; + + if ( cur + 2 < limit && *cur == '/' && n < count ) + { + FT_UInt len; + + + cur++; + + parser->root.cursor = cur; + T1_Skip_PS_Token( parser ); + if ( parser->root.cursor >= limit ) + return; + if ( parser->root.error ) + return; + + len = (FT_UInt)( parser->root.cursor - cur ); + + if ( n < array_size ) + { + parser->root.error = T1_Add_Table( char_table, charcode, + cur, len + 1 ); + if ( parser->root.error ) + return; + char_table->elements[charcode][len] = '\0'; + } + + n++; + } + else if ( only_immediates ) + { + /* Since the current position is not updated for */ + /* immediates-only mode we would get an infinite loop if */ + /* we don't do anything here. */ + /* */ + /* This encoding array is not valid according to the type1 */ + /* specification (it might be an encoding for a CID type1 */ + /* font, however), so we conclude that this font is NOT a */ + /* type1 font. */ + parser->root.error = FT_THROW( Unknown_File_Format ); + return; + } + } + else + { + T1_Skip_PS_Token( parser ); + if ( parser->root.error ) + return; + } + + T1_Skip_Spaces( parser ); + } + + face->type1.encoding_type = T1_ENCODING_TYPE_ARRAY; + parser->root.cursor = cur; + } + + /* Otherwise, we should have either `StandardEncoding', */ + /* `ExpertEncoding', or `ISOLatin1Encoding' */ + else + { + if ( cur + 17 < limit && + ft_strncmp( (const char*)cur, "StandardEncoding", 16 ) == 0 ) + face->type1.encoding_type = T1_ENCODING_TYPE_STANDARD; + + else if ( cur + 15 < limit && + ft_strncmp( (const char*)cur, "ExpertEncoding", 14 ) == 0 ) + face->type1.encoding_type = T1_ENCODING_TYPE_EXPERT; + + else if ( cur + 18 < limit && + ft_strncmp( (const char*)cur, "ISOLatin1Encoding", 17 ) == 0 ) + face->type1.encoding_type = T1_ENCODING_TYPE_ISOLATIN1; + + else + parser->root.error = FT_ERR( Ignore ); + } + } + + + static void + parse_subrs( T1_Face face, + T1_Loader loader ) + { + T1_Parser parser = &loader->parser; + PS_Table table = &loader->subrs; + FT_Memory memory = parser->root.memory; + FT_Error error; + FT_Int num_subrs; + FT_UInt count; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + + + T1_Skip_Spaces( parser ); + + /* test for empty array */ + if ( parser->root.cursor < parser->root.limit && + *parser->root.cursor == '[' ) + { + T1_Skip_PS_Token( parser ); + T1_Skip_Spaces ( parser ); + if ( parser->root.cursor >= parser->root.limit || + *parser->root.cursor != ']' ) + parser->root.error = FT_THROW( Invalid_File_Format ); + return; + } + + num_subrs = (FT_Int)T1_ToInt( parser ); + if ( num_subrs < 0 ) + { + parser->root.error = FT_THROW( Invalid_File_Format ); + return; + } + + /* we certainly need more than 8 bytes per subroutine */ + if ( parser->root.limit >= parser->root.cursor && + num_subrs > ( parser->root.limit - parser->root.cursor ) >> 3 ) + { + /* + * There are two possibilities. Either the font contains an invalid + * value for `num_subrs', or we have a subsetted font where the + * subroutine indices are not adjusted, e.g. + * + * /Subrs 812 array + * dup 0 { ... } NP + * dup 51 { ... } NP + * dup 681 { ... } NP + * ND + * + * In both cases, we use a number hash that maps from subr indices to + * actual array elements. + */ + + FT_TRACE0(( "parse_subrs: adjusting number of subroutines" + " (from %d to %d)\n", + num_subrs, + ( parser->root.limit - parser->root.cursor ) >> 3 )); + num_subrs = ( parser->root.limit - parser->root.cursor ) >> 3; + + if ( !loader->subrs_hash ) + { + if ( FT_NEW( loader->subrs_hash ) ) + goto Fail; + + error = ft_hash_num_init( loader->subrs_hash, memory ); + if ( error ) + goto Fail; + } + } + + /* position the parser right before the `dup' of the first subr */ + T1_Skip_PS_Token( parser ); /* `array' */ + if ( parser->root.error ) + return; + T1_Skip_Spaces( parser ); + + /* initialize subrs array -- with synthetic fonts it is possible */ + /* we get here twice */ + if ( !loader->num_subrs ) + { + error = psaux->ps_table_funcs->init( table, num_subrs, memory ); + if ( error ) + goto Fail; + } + + /* the format is simple: */ + /* */ + /* `index' + binary data */ + /* */ + for ( count = 0; ; count++ ) + { + FT_Long idx; + FT_ULong size; + FT_Byte* base; + + + /* If we are out of data, or if the next token isn't `dup', */ + /* we are done. */ + if ( parser->root.cursor + 4 >= parser->root.limit || + ft_strncmp( (char*)parser->root.cursor, "dup", 3 ) != 0 ) + break; + + T1_Skip_PS_Token( parser ); /* `dup' */ + + idx = T1_ToInt( parser ); + + if ( !read_binary_data( parser, &size, &base, IS_INCREMENTAL ) ) + return; + + /* The binary string is followed by one token, e.g. `NP' */ + /* (bound to `noaccess put') or by two separate tokens: */ + /* `noaccess' & `put'. We position the parser right */ + /* before the next `dup', if any. */ + T1_Skip_PS_Token( parser ); /* `NP' or `|' or `noaccess' */ + if ( parser->root.error ) + return; + T1_Skip_Spaces ( parser ); + + if ( parser->root.cursor + 4 < parser->root.limit && + ft_strncmp( (char*)parser->root.cursor, "put", 3 ) == 0 ) + { + T1_Skip_PS_Token( parser ); /* skip `put' */ + T1_Skip_Spaces ( parser ); + } + + /* if we use a hash, the subrs index is the key, and a running */ + /* counter specified for `T1_Add_Table' acts as the value */ + if ( loader->subrs_hash ) + { + ft_hash_num_insert( idx, count, loader->subrs_hash, memory ); + idx = count; + } + + /* with synthetic fonts it is possible we get here twice */ + if ( loader->num_subrs ) + continue; + + /* some fonts use a value of -1 for lenIV to indicate that */ + /* the charstrings are unencoded */ + /* */ + /* thanks to Tom Kacvinsky for pointing this out */ + /* */ + if ( face->type1.private_dict.lenIV >= 0 ) + { + FT_Byte* temp = NULL; + + + /* some fonts define empty subr records -- this is not totally */ + /* compliant to the specification (which says they should at */ + /* least contain a `return'), but we support them anyway */ + if ( size < (FT_ULong)face->type1.private_dict.lenIV ) + { + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + /* t1_decrypt() shouldn't write to base -- make temporary copy */ + if ( FT_ALLOC( temp, size ) ) + goto Fail; + FT_MEM_COPY( temp, base, size ); + psaux->t1_decrypt( temp, size, 4330 ); + size -= (FT_ULong)face->type1.private_dict.lenIV; + error = T1_Add_Table( table, (FT_Int)idx, + temp + face->type1.private_dict.lenIV, size ); + FT_FREE( temp ); + } + else + error = T1_Add_Table( table, (FT_Int)idx, base, size ); + if ( error ) + goto Fail; + } + + if ( !loader->num_subrs ) + loader->num_subrs = num_subrs; + + return; + + Fail: + parser->root.error = error; + } + + +#define TABLE_EXTEND 5 + + + static void + parse_charstrings( T1_Face face, + T1_Loader loader ) + { + T1_Parser parser = &loader->parser; + PS_Table code_table = &loader->charstrings; + PS_Table name_table = &loader->glyph_names; + PS_Table swap_table = &loader->swap_table; + FT_Memory memory = parser->root.memory; + FT_Error error; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + + FT_Byte* cur = parser->root.cursor; + FT_Byte* limit = parser->root.limit; + FT_Int n, num_glyphs; + FT_Int notdef_index = 0; + FT_Byte notdef_found = 0; + + + num_glyphs = (FT_Int)T1_ToInt( parser ); + if ( num_glyphs < 0 ) + { + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + /* we certainly need more than 8 bytes per glyph */ + if ( num_glyphs > ( limit - cur ) >> 3 ) + { + FT_TRACE0(( "parse_charstrings: adjusting number of glyphs" + " (from %d to %d)\n", + num_glyphs, ( limit - cur ) >> 3 )); + num_glyphs = ( limit - cur ) >> 3; + } + + /* some fonts like Optima-Oblique not only define the /CharStrings */ + /* array but access it also */ + if ( num_glyphs == 0 || parser->root.error ) + return; + + /* initialize tables, leaving space for addition of .notdef, */ + /* if necessary, and a few other glyphs to handle buggy */ + /* fonts which have more glyphs than specified. */ + + /* for some non-standard fonts like `Optima' which provides */ + /* different outlines depending on the resolution it is */ + /* possible to get here twice */ + if ( !loader->num_glyphs ) + { + error = psaux->ps_table_funcs->init( + code_table, num_glyphs + 1 + TABLE_EXTEND, memory ); + if ( error ) + goto Fail; + + error = psaux->ps_table_funcs->init( + name_table, num_glyphs + 1 + TABLE_EXTEND, memory ); + if ( error ) + goto Fail; + + /* Initialize table for swapping index notdef_index and */ + /* index 0 names and codes (if necessary). */ + + error = psaux->ps_table_funcs->init( swap_table, 4, memory ); + if ( error ) + goto Fail; + } + + n = 0; + + for (;;) + { + FT_ULong size; + FT_Byte* base; + + + /* the format is simple: */ + /* `/glyphname' + binary data */ + + T1_Skip_Spaces( parser ); + + cur = parser->root.cursor; + if ( cur >= limit ) + break; + + /* we stop when we find a `def' or `end' keyword */ + if ( cur + 3 < limit && IS_PS_DELIM( cur[3] ) ) + { + if ( cur[0] == 'd' && + cur[1] == 'e' && + cur[2] == 'f' ) + { + /* There are fonts which have this: */ + /* */ + /* /CharStrings 118 dict def */ + /* Private begin */ + /* CharStrings begin */ + /* ... */ + /* */ + /* To catch this we ignore `def' if */ + /* no charstring has actually been */ + /* seen. */ + if ( n ) + break; + } + + if ( cur[0] == 'e' && + cur[1] == 'n' && + cur[2] == 'd' ) + break; + } + + T1_Skip_PS_Token( parser ); + if ( parser->root.cursor >= limit ) + { + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + if ( parser->root.error ) + return; + + if ( *cur == '/' ) + { + FT_UInt len; + + + if ( cur + 2 >= limit ) + { + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + cur++; /* skip `/' */ + len = (FT_UInt)( parser->root.cursor - cur ); + + if ( !read_binary_data( parser, &size, &base, IS_INCREMENTAL ) ) + return; + + /* for some non-standard fonts like `Optima' which provides */ + /* different outlines depending on the resolution it is */ + /* possible to get here twice */ + if ( loader->num_glyphs ) + continue; + + error = T1_Add_Table( name_table, n, cur, len + 1 ); + if ( error ) + goto Fail; + + /* add a trailing zero to the name table */ + name_table->elements[n][len] = '\0'; + + /* record index of /.notdef */ + if ( *cur == '.' && + ft_strcmp( ".notdef", + (const char*)(name_table->elements[n]) ) == 0 ) + { + notdef_index = n; + notdef_found = 1; + } + + if ( face->type1.private_dict.lenIV >= 0 && + n < num_glyphs + TABLE_EXTEND ) + { + FT_Byte* temp = NULL; + + + if ( size <= (FT_ULong)face->type1.private_dict.lenIV ) + { + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + /* t1_decrypt() shouldn't write to base -- make temporary copy */ + if ( FT_ALLOC( temp, size ) ) + goto Fail; + FT_MEM_COPY( temp, base, size ); + psaux->t1_decrypt( temp, size, 4330 ); + size -= (FT_ULong)face->type1.private_dict.lenIV; + error = T1_Add_Table( code_table, n, + temp + face->type1.private_dict.lenIV, size ); + FT_FREE( temp ); + } + else + error = T1_Add_Table( code_table, n, base, size ); + if ( error ) + goto Fail; + + n++; + } + } + + if ( !n ) + { + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + loader->num_glyphs = n; + + /* if /.notdef is found but does not occupy index 0, do our magic. */ + if ( notdef_found && + ft_strcmp( ".notdef", (const char*)name_table->elements[0] ) ) + { + /* Swap glyph in index 0 with /.notdef glyph. First, add index 0 */ + /* name and code entries to swap_table. Then place notdef_index */ + /* name and code entries into swap_table. Then swap name and code */ + /* entries at indices notdef_index and 0 using values stored in */ + /* swap_table. */ + + /* Index 0 name */ + error = T1_Add_Table( swap_table, 0, + name_table->elements[0], + name_table->lengths [0] ); + if ( error ) + goto Fail; + + /* Index 0 code */ + error = T1_Add_Table( swap_table, 1, + code_table->elements[0], + code_table->lengths [0] ); + if ( error ) + goto Fail; + + /* Index notdef_index name */ + error = T1_Add_Table( swap_table, 2, + name_table->elements[notdef_index], + name_table->lengths [notdef_index] ); + if ( error ) + goto Fail; + + /* Index notdef_index code */ + error = T1_Add_Table( swap_table, 3, + code_table->elements[notdef_index], + code_table->lengths [notdef_index] ); + if ( error ) + goto Fail; + + error = T1_Add_Table( name_table, notdef_index, + swap_table->elements[0], + swap_table->lengths [0] ); + if ( error ) + goto Fail; + + error = T1_Add_Table( code_table, notdef_index, + swap_table->elements[1], + swap_table->lengths [1] ); + if ( error ) + goto Fail; + + error = T1_Add_Table( name_table, 0, + swap_table->elements[2], + swap_table->lengths [2] ); + if ( error ) + goto Fail; + + error = T1_Add_Table( code_table, 0, + swap_table->elements[3], + swap_table->lengths [3] ); + if ( error ) + goto Fail; + + } + else if ( !notdef_found ) + { + /* notdef_index is already 0, or /.notdef is undefined in */ + /* charstrings dictionary. Worry about /.notdef undefined. */ + /* We take index 0 and add it to the end of the table(s) */ + /* and add our own /.notdef glyph to index 0. */ + + /* 0 333 hsbw endchar */ + FT_Byte notdef_glyph[] = { 0x8B, 0xF7, 0xE1, 0x0D, 0x0E }; + char* notdef_name = (char *)".notdef"; + + + error = T1_Add_Table( swap_table, 0, + name_table->elements[0], + name_table->lengths [0] ); + if ( error ) + goto Fail; + + error = T1_Add_Table( swap_table, 1, + code_table->elements[0], + code_table->lengths [0] ); + if ( error ) + goto Fail; + + error = T1_Add_Table( name_table, 0, notdef_name, 8 ); + if ( error ) + goto Fail; + + error = T1_Add_Table( code_table, 0, notdef_glyph, 5 ); + + if ( error ) + goto Fail; + + error = T1_Add_Table( name_table, n, + swap_table->elements[0], + swap_table->lengths [0] ); + if ( error ) + goto Fail; + + error = T1_Add_Table( code_table, n, + swap_table->elements[1], + swap_table->lengths [1] ); + if ( error ) + goto Fail; + + /* we added a glyph. */ + loader->num_glyphs += 1; + } + + return; + + Fail: + parser->root.error = error; + } + + + /*************************************************************************/ + /* */ + /* Define the token field static variables. This is a set of */ + /* T1_FieldRec variables. */ + /* */ + /*************************************************************************/ + + + static + const T1_FieldRec t1_keywords[] = + { + +#include "t1tokens.h" + + /* now add the special functions... */ + T1_FIELD_CALLBACK( "FontMatrix", t1_parse_font_matrix, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_CALLBACK( "Encoding", parse_encoding, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_CALLBACK( "Subrs", parse_subrs, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_CALLBACK( "CharStrings", parse_charstrings, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_CALLBACK( "Private", parse_private, + T1_FIELD_DICT_FONTDICT ) + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + T1_FIELD_CALLBACK( "BlendDesignPositions", parse_blend_design_positions, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_CALLBACK( "BlendDesignMap", parse_blend_design_map, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_CALLBACK( "BlendAxisTypes", parse_blend_axis_types, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_CALLBACK( "WeightVector", parse_weight_vector, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_CALLBACK( "BuildCharArray", parse_buildchar, + T1_FIELD_DICT_PRIVATE ) +#endif + + { 0, T1_FIELD_LOCATION_CID_INFO, T1_FIELD_TYPE_NONE, 0, 0, 0, 0, 0, 0 } + }; + + + static FT_Error + parse_dict( T1_Face face, + T1_Loader loader, + FT_Byte* base, + FT_ULong size ) + { + T1_Parser parser = &loader->parser; + FT_Byte *limit, *start_binary = NULL; + FT_Bool have_integer = 0; + + + parser->root.cursor = base; + parser->root.limit = base + size; + parser->root.error = FT_Err_Ok; + + limit = parser->root.limit; + + T1_Skip_Spaces( parser ); + + while ( parser->root.cursor < limit ) + { + FT_Byte* cur; + + + cur = parser->root.cursor; + + /* look for `eexec' */ + if ( IS_PS_TOKEN( cur, limit, "eexec" ) ) + break; + + /* look for `closefile' which ends the eexec section */ + else if ( IS_PS_TOKEN( cur, limit, "closefile" ) ) + break; + + /* in a synthetic font the base font starts after a */ + /* `FontDictionary' token that is placed after a Private dict */ + else if ( IS_PS_TOKEN( cur, limit, "FontDirectory" ) ) + { + if ( loader->keywords_encountered & T1_PRIVATE ) + loader->keywords_encountered |= + T1_FONTDIR_AFTER_PRIVATE; + parser->root.cursor += 13; + } + + /* check whether we have an integer */ + else if ( ft_isdigit( *cur ) ) + { + start_binary = cur; + T1_Skip_PS_Token( parser ); + if ( parser->root.error ) + goto Exit; + have_integer = 1; + } + + /* in valid Type 1 fonts we don't see `RD' or `-|' directly */ + /* since those tokens are handled by parse_subrs and */ + /* parse_charstrings */ + else if ( *cur == 'R' && cur + 6 < limit && *(cur + 1) == 'D' && + have_integer ) + { + FT_ULong s; + FT_Byte* b; + + + parser->root.cursor = start_binary; + if ( !read_binary_data( parser, &s, &b, IS_INCREMENTAL ) ) + return FT_THROW( Invalid_File_Format ); + have_integer = 0; + } + + else if ( *cur == '-' && cur + 6 < limit && *(cur + 1) == '|' && + have_integer ) + { + FT_ULong s; + FT_Byte* b; + + + parser->root.cursor = start_binary; + if ( !read_binary_data( parser, &s, &b, IS_INCREMENTAL ) ) + return FT_THROW( Invalid_File_Format ); + have_integer = 0; + } + + /* look for immediates */ + else if ( *cur == '/' && cur + 2 < limit ) + { + FT_UInt len; + + + cur++; + + parser->root.cursor = cur; + T1_Skip_PS_Token( parser ); + if ( parser->root.error ) + goto Exit; + + len = (FT_UInt)( parser->root.cursor - cur ); + + if ( len > 0 && len < 22 && parser->root.cursor < limit ) + { + /* now compare the immediate name to the keyword table */ + T1_Field keyword = (T1_Field)t1_keywords; + + + for (;;) + { + FT_Byte* name; + + + name = (FT_Byte*)keyword->ident; + if ( !name ) + break; + + if ( cur[0] == name[0] && + len == ft_strlen( (const char *)name ) && + ft_memcmp( cur, name, len ) == 0 ) + { + /* We found it -- run the parsing callback! */ + /* We record every instance of every field */ + /* (until we reach the base font of a */ + /* synthetic font) to deal adequately with */ + /* multiple master fonts; this is also */ + /* necessary because later PostScript */ + /* definitions override earlier ones. */ + + /* Once we encounter `FontDirectory' after */ + /* `/Private', we know that this is a synthetic */ + /* font; except for `/CharStrings' we are not */ + /* interested in anything that follows this */ + /* `FontDirectory'. */ + + /* MM fonts have more than one /Private token at */ + /* the top level; let's hope that all the junk */ + /* that follows the first /Private token is not */ + /* interesting to us. */ + + /* According to Adobe Tech Note #5175 (CID-Keyed */ + /* Font Installation for ATM Software) a `begin' */ + /* must be followed by exactly one `end', and */ + /* `begin' -- `end' pairs must be accurately */ + /* paired. We could use this to distinguish */ + /* between the global Private and the Private */ + /* dict that is a member of the Blend dict. */ + + const FT_UInt dict = + ( loader->keywords_encountered & T1_PRIVATE ) + ? T1_FIELD_DICT_PRIVATE + : T1_FIELD_DICT_FONTDICT; + + if ( !( dict & keyword->dict ) ) + { + FT_TRACE1(( "parse_dict: found `%s' but ignoring it" + " since it is in the wrong dictionary\n", + keyword->ident )); + break; + } + + if ( !( loader->keywords_encountered & + T1_FONTDIR_AFTER_PRIVATE ) || + ft_strcmp( (const char*)name, "CharStrings" ) == 0 ) + { + parser->root.error = t1_load_keyword( face, + loader, + keyword ); + if ( parser->root.error ) + { + if ( FT_ERR_EQ( parser->root.error, Ignore ) ) + parser->root.error = FT_Err_Ok; + else + return parser->root.error; + } + } + break; + } + + keyword++; + } + } + + have_integer = 0; + } + else + { + T1_Skip_PS_Token( parser ); + if ( parser->root.error ) + goto Exit; + have_integer = 0; + } + + T1_Skip_Spaces( parser ); + } + + Exit: + return parser->root.error; + } + + + static void + t1_init_loader( T1_Loader loader, + T1_Face face ) + { + FT_UNUSED( face ); + + FT_ZERO( loader ); + } + + + static void + t1_done_loader( T1_Loader loader ) + { + T1_Parser parser = &loader->parser; + FT_Memory memory = parser->root.memory; + + + /* finalize tables */ + T1_Release_Table( &loader->encoding_table ); + T1_Release_Table( &loader->charstrings ); + T1_Release_Table( &loader->glyph_names ); + T1_Release_Table( &loader->swap_table ); + T1_Release_Table( &loader->subrs ); + + /* finalize hash */ + ft_hash_num_free( loader->subrs_hash, memory ); + FT_FREE( loader->subrs_hash ); + + /* finalize parser */ + T1_Finalize_Parser( parser ); + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Open_Face( T1_Face face ) + { + T1_LoaderRec loader; + T1_Parser parser; + T1_Font type1 = &face->type1; + PS_Private priv = &type1->private_dict; + FT_Error error; + + PSAux_Service psaux = (PSAux_Service)face->psaux; + + + t1_init_loader( &loader, face ); + + /* default values */ + face->ndv_idx = -1; + face->cdv_idx = -1; + face->len_buildchar = 0; + + priv->blue_shift = 7; + priv->blue_fuzz = 1; + priv->lenIV = 4; + priv->expansion_factor = (FT_Fixed)( 0.06 * 0x10000L ); + priv->blue_scale = (FT_Fixed)( 0.039625 * 0x10000L * 1000 ); + + parser = &loader.parser; + error = T1_New_Parser( parser, + face->root.stream, + face->root.memory, + psaux ); + if ( error ) + goto Exit; + + error = parse_dict( face, &loader, + parser->base_dict, parser->base_len ); + if ( error ) + goto Exit; + + error = T1_Get_Private_Dict( parser, psaux ); + if ( error ) + goto Exit; + + error = parse_dict( face, &loader, + parser->private_dict, parser->private_len ); + if ( error ) + goto Exit; + + /* ensure even-ness of `num_blue_values' */ + priv->num_blue_values &= ~1; + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + + if ( face->blend && + face->blend->num_default_design_vector != 0 && + face->blend->num_default_design_vector != face->blend->num_axis ) + { + /* we don't use it currently so just warn, reset, and ignore */ + FT_ERROR(( "T1_Open_Face(): /DesignVector contains %u entries " + "while there are %u axes.\n", + face->blend->num_default_design_vector, + face->blend->num_axis )); + + face->blend->num_default_design_vector = 0; + } + + /* the following can happen for MM instances; we then treat the */ + /* font as a normal PS font */ + if ( face->blend && + ( !face->blend->num_designs || !face->blend->num_axis ) ) + T1_Done_Blend( face ); + + /* another safety check */ + if ( face->blend ) + { + FT_UInt i; + + + for ( i = 0; i < face->blend->num_axis; i++ ) + if ( !face->blend->design_map[i].num_points ) + { + T1_Done_Blend( face ); + break; + } + } + + if ( face->blend ) + { + if ( face->len_buildchar > 0 ) + { + FT_Memory memory = face->root.memory; + + + if ( FT_NEW_ARRAY( face->buildchar, face->len_buildchar ) ) + { + FT_ERROR(( "T1_Open_Face: cannot allocate BuildCharArray\n" )); + face->len_buildchar = 0; + goto Exit; + } + } + } + else + face->len_buildchar = 0; + +#endif /* !T1_CONFIG_OPTION_NO_MM_SUPPORT */ + + /* now, propagate the subrs, charstrings, and glyphnames tables */ + /* to the Type1 data */ + type1->num_glyphs = loader.num_glyphs; + + if ( loader.subrs.init ) + { + type1->num_subrs = loader.num_subrs; + type1->subrs_block = loader.subrs.block; + type1->subrs = loader.subrs.elements; + type1->subrs_len = loader.subrs.lengths; + type1->subrs_hash = loader.subrs_hash; + + /* prevent `t1_done_loader' from freeing the propagated data */ + loader.subrs.init = 0; + loader.subrs_hash = NULL; + } + + if ( !IS_INCREMENTAL ) + if ( !loader.charstrings.init ) + { + FT_ERROR(( "T1_Open_Face: no `/CharStrings' array in face\n" )); + error = FT_THROW( Invalid_File_Format ); + } + + loader.charstrings.init = 0; + type1->charstrings_block = loader.charstrings.block; + type1->charstrings = loader.charstrings.elements; + type1->charstrings_len = loader.charstrings.lengths; + + /* we copy the glyph names `block' and `elements' fields; */ + /* the `lengths' field must be released later */ + type1->glyph_names_block = loader.glyph_names.block; + type1->glyph_names = (FT_String**)loader.glyph_names.elements; + loader.glyph_names.block = NULL; + loader.glyph_names.elements = NULL; + + /* we must now build type1.encoding when we have a custom array */ + if ( type1->encoding_type == T1_ENCODING_TYPE_ARRAY ) + { + FT_Int charcode, idx, min_char, max_char; + FT_Byte* glyph_name; + + + /* OK, we do the following: for each element in the encoding */ + /* table, look up the index of the glyph having the same name */ + /* the index is then stored in type1.encoding.char_index, and */ + /* the name to type1.encoding.char_name */ + + min_char = 0; + max_char = 0; + + charcode = 0; + for ( ; charcode < loader.encoding_table.max_elems; charcode++ ) + { + FT_Byte* char_name; + + + type1->encoding.char_index[charcode] = 0; + type1->encoding.char_name [charcode] = (char *)".notdef"; + + char_name = loader.encoding_table.elements[charcode]; + if ( char_name ) + for ( idx = 0; idx < type1->num_glyphs; idx++ ) + { + glyph_name = (FT_Byte*)type1->glyph_names[idx]; + if ( ft_strcmp( (const char*)char_name, + (const char*)glyph_name ) == 0 ) + { + type1->encoding.char_index[charcode] = (FT_UShort)idx; + type1->encoding.char_name [charcode] = (char*)glyph_name; + + /* Change min/max encoded char only if glyph name is */ + /* not /.notdef */ + if ( ft_strcmp( (const char*)".notdef", + (const char*)glyph_name ) != 0 ) + { + if ( charcode < min_char ) + min_char = charcode; + if ( charcode >= max_char ) + max_char = charcode + 1; + } + break; + } + } + } + + type1->encoding.code_first = min_char; + type1->encoding.code_last = max_char; + type1->encoding.num_chars = loader.num_chars; + } + + Exit: + t1_done_loader( &loader ); + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1load.h b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1load.h new file mode 100644 index 00000000000..03be3f7f937 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1load.h @@ -0,0 +1,117 @@ +/***************************************************************************/ +/* */ +/* t1load.h */ +/* */ +/* Type 1 font loader (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1LOAD_H_ +#define T1LOAD_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H +#include FT_MULTIPLE_MASTERS_H + +#include "t1parse.h" + + +FT_BEGIN_HEADER + + + typedef struct T1_Loader_ + { + T1_ParserRec parser; /* parser used to read the stream */ + + FT_Int num_chars; /* number of characters in encoding */ + PS_TableRec encoding_table; /* PS_Table used to store the */ + /* encoding character names */ + + FT_Int num_glyphs; + PS_TableRec glyph_names; + PS_TableRec charstrings; + PS_TableRec swap_table; /* For moving .notdef glyph to index 0. */ + + FT_Int num_subrs; + PS_TableRec subrs; + FT_Hash subrs_hash; + FT_Bool fontdata; + + FT_UInt keywords_encountered; /* T1_LOADER_ENCOUNTERED_XXX */ + + } T1_LoaderRec, *T1_Loader; + + + /* treatment of some keywords differs depending on whether */ + /* they precede or follow certain other keywords */ + +#define T1_PRIVATE ( 1 << 0 ) +#define T1_FONTDIR_AFTER_PRIVATE ( 1 << 1 ) + + + FT_LOCAL( FT_Error ) + T1_Open_Face( T1_Face face ); + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + + FT_LOCAL( FT_Error ) + T1_Get_Multi_Master( T1_Face face, + FT_Multi_Master* master ); + + FT_LOCAL( FT_Error ) + T1_Get_MM_Var( T1_Face face, + FT_MM_Var* *master ); + + FT_LOCAL( FT_Error ) + T1_Set_MM_Blend( T1_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + FT_LOCAL( FT_Error ) + T1_Get_MM_Blend( T1_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + FT_LOCAL( FT_Error ) + T1_Set_MM_Design( T1_Face face, + FT_UInt num_coords, + FT_Long* coords ); + + FT_LOCAL( FT_Error ) + T1_Reset_MM_Blend( T1_Face face, + FT_UInt instance_index ); + + FT_LOCAL( FT_Error ) + T1_Get_Var_Design( T1_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + FT_LOCAL( FT_Error ) + T1_Set_Var_Design( T1_Face face, + FT_UInt num_coords, + FT_Fixed* coords ); + + FT_LOCAL( void ) + T1_Done_Blend( T1_Face face ); + +#endif /* !T1_CONFIG_OPTION_NO_MM_SUPPORT */ + + +FT_END_HEADER + +#endif /* T1LOAD_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1objs.c b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1objs.c new file mode 100644 index 00000000000..7333c4c9587 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1objs.c @@ -0,0 +1,641 @@ +/***************************************************************************/ +/* */ +/* t1objs.c */ +/* */ +/* Type 1 objects manager (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_CALC_H +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_TRUETYPE_IDS_H +#include FT_DRIVER_H + +#include "t1gload.h" +#include "t1load.h" + +#include "t1errors.h" + +#ifndef T1_CONFIG_OPTION_NO_AFM +#include "t1afm.h" +#endif + +#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_t1objs + + + /*************************************************************************/ + /* */ + /* SIZE FUNCTIONS */ + /* */ + /*************************************************************************/ + + + static PSH_Globals_Funcs + T1_Size_Get_Globals_Funcs( T1_Size size ) + { + T1_Face face = (T1_Face)size->root.face; + PSHinter_Service pshinter = (PSHinter_Service)face->pshinter; + FT_Module module; + + + module = FT_Get_Module( size->root.face->driver->root.library, + "pshinter" ); + return ( module && pshinter && pshinter->get_globals_funcs ) + ? pshinter->get_globals_funcs( module ) + : 0; + } + + + FT_LOCAL_DEF( void ) + T1_Size_Done( FT_Size t1size ) /* T1_Size */ + { + T1_Size size = (T1_Size)t1size; + + + if ( t1size->internal->module_data ) + { + PSH_Globals_Funcs funcs; + + + funcs = T1_Size_Get_Globals_Funcs( size ); + if ( funcs ) + funcs->destroy( (PSH_Globals)t1size->internal->module_data ); + + t1size->internal->module_data = NULL; + } + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Size_Init( FT_Size t1size ) /* T1_Size */ + { + T1_Size size = (T1_Size)t1size; + FT_Error error = FT_Err_Ok; + PSH_Globals_Funcs funcs = T1_Size_Get_Globals_Funcs( size ); + + + if ( funcs ) + { + PSH_Globals globals; + T1_Face face = (T1_Face)size->root.face; + + + error = funcs->create( size->root.face->memory, + &face->type1.private_dict, &globals ); + if ( !error ) + t1size->internal->module_data = globals; + } + + return error; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Size_Request( FT_Size t1size, /* T1_Size */ + FT_Size_Request req ) + { + T1_Size size = (T1_Size)t1size; + PSH_Globals_Funcs funcs = T1_Size_Get_Globals_Funcs( size ); + + + FT_Request_Metrics( size->root.face, req ); + + if ( funcs ) + funcs->set_scale( (PSH_Globals)t1size->internal->module_data, + size->root.metrics.x_scale, + size->root.metrics.y_scale, + 0, 0 ); + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* SLOT FUNCTIONS */ + /* */ + /*************************************************************************/ + + FT_LOCAL_DEF( void ) + T1_GlyphSlot_Done( FT_GlyphSlot slot ) + { + slot->internal->glyph_hints = NULL; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_GlyphSlot_Init( FT_GlyphSlot slot ) + { + T1_Face face; + PSHinter_Service pshinter; + + + face = (T1_Face)slot->face; + pshinter = (PSHinter_Service)face->pshinter; + + if ( pshinter ) + { + FT_Module module; + + + module = FT_Get_Module( slot->face->driver->root.library, + "pshinter" ); + if ( module ) + { + T1_Hints_Funcs funcs; + + + funcs = pshinter->get_t1_funcs( module ); + slot->internal->glyph_hints = (void*)funcs; + } + } + + return 0; + } + + + /*************************************************************************/ + /* */ + /* FACE FUNCTIONS */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* T1_Face_Done */ + /* */ + /* <Description> */ + /* The face object destructor. */ + /* */ + /* <Input> */ + /* face :: A typeless pointer to the face object to destroy. */ + /* */ + FT_LOCAL_DEF( void ) + T1_Face_Done( FT_Face t1face ) /* T1_Face */ + { + T1_Face face = (T1_Face)t1face; + FT_Memory memory; + T1_Font type1; + + + if ( !face ) + return; + + memory = face->root.memory; + type1 = &face->type1; + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + /* release multiple masters information */ + FT_ASSERT( ( face->len_buildchar == 0 ) == ( face->buildchar == NULL ) ); + + if ( face->buildchar ) + { + FT_FREE( face->buildchar ); + + face->buildchar = NULL; + face->len_buildchar = 0; + } + + T1_Done_Blend( face ); + face->blend = NULL; +#endif + + /* release font info strings */ + { + PS_FontInfo info = &type1->font_info; + + + FT_FREE( info->version ); + FT_FREE( info->notice ); + FT_FREE( info->full_name ); + FT_FREE( info->family_name ); + FT_FREE( info->weight ); + } + + /* release top dictionary */ + FT_FREE( type1->charstrings_len ); + FT_FREE( type1->charstrings ); + FT_FREE( type1->glyph_names ); + + FT_FREE( type1->subrs ); + FT_FREE( type1->subrs_len ); + + ft_hash_num_free( type1->subrs_hash, memory ); + FT_FREE( type1->subrs_hash ); + + FT_FREE( type1->subrs_block ); + FT_FREE( type1->charstrings_block ); + FT_FREE( type1->glyph_names_block ); + + FT_FREE( type1->encoding.char_index ); + FT_FREE( type1->encoding.char_name ); + FT_FREE( type1->font_name ); + +#ifndef T1_CONFIG_OPTION_NO_AFM + /* release afm data if present */ + if ( face->afm_data ) + T1_Done_Metrics( memory, (AFM_FontInfo)face->afm_data ); +#endif + + /* release unicode map, if any */ +#if 0 + FT_FREE( face->unicode_map_rec.maps ); + face->unicode_map_rec.num_maps = 0; + face->unicode_map = NULL; +#endif + + face->root.family_name = NULL; + face->root.style_name = NULL; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* T1_Face_Init */ + /* */ + /* <Description> */ + /* The face object constructor. */ + /* */ + /* <Input> */ + /* stream :: input stream where to load font data. */ + /* */ + /* face_index :: The index of the font face in the resource. */ + /* */ + /* num_params :: Number of additional generic parameters. Ignored. */ + /* */ + /* params :: Additional generic parameters. Ignored. */ + /* */ + /* <InOut> */ + /* face :: The face record to build. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + T1_Face_Init( FT_Stream stream, + FT_Face t1face, /* T1_Face */ + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ) + { + T1_Face face = (T1_Face)t1face; + FT_Error error; + FT_Service_PsCMaps psnames; + PSAux_Service psaux; + T1_Font type1 = &face->type1; + PS_FontInfo info = &type1->font_info; + + FT_UNUSED( num_params ); + FT_UNUSED( params ); + FT_UNUSED( stream ); + + + face->root.num_faces = 1; + + FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); + face->psnames = psnames; + + face->psaux = FT_Get_Module_Interface( FT_FACE_LIBRARY( face ), + "psaux" ); + psaux = (PSAux_Service)face->psaux; + if ( !psaux ) + { + FT_ERROR(( "T1_Face_Init: cannot access `psaux' module\n" )); + error = FT_THROW( Missing_Module ); + goto Exit; + } + + face->pshinter = FT_Get_Module_Interface( FT_FACE_LIBRARY( face ), + "pshinter" ); + + FT_TRACE2(( "Type 1 driver\n" )); + + /* open the tokenizer; this will also check the font format */ + error = T1_Open_Face( face ); + if ( error ) + goto Exit; + + /* if we just wanted to check the format, leave successfully now */ + if ( face_index < 0 ) + goto Exit; + + /* check the face index */ + if ( ( face_index & 0xFFFF ) > 0 ) + { + FT_ERROR(( "T1_Face_Init: invalid face index\n" )); + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + /* now load the font program into the face object */ + + /* initialize the face object fields */ + + /* set up root face fields */ + { + FT_Face root = (FT_Face)&face->root; + + + root->num_glyphs = type1->num_glyphs; + root->face_index = 0; + + root->face_flags |= FT_FACE_FLAG_SCALABLE | + FT_FACE_FLAG_HORIZONTAL | + FT_FACE_FLAG_GLYPH_NAMES | + FT_FACE_FLAG_HINTER; + + if ( info->is_fixed_pitch ) + root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; + + if ( face->blend ) + root->face_flags |= FT_FACE_FLAG_MULTIPLE_MASTERS; + + /* The following code to extract the family and the style is very */ + /* simplistic and might get some things wrong. For a full-featured */ + /* algorithm you might have a look at the whitepaper given at */ + /* */ + /* https://blogs.msdn.com/text/archive/2007/04/23/wpf-font-selection-model.aspx */ + + /* get style name -- be careful, some broken fonts only */ + /* have a `/FontName' dictionary entry! */ + root->family_name = info->family_name; + root->style_name = NULL; + + if ( root->family_name ) + { + char* full = info->full_name; + char* family = root->family_name; + + + if ( full ) + { + FT_Bool the_same = TRUE; + + + while ( *full ) + { + if ( *full == *family ) + { + family++; + full++; + } + else + { + if ( *full == ' ' || *full == '-' ) + full++; + else if ( *family == ' ' || *family == '-' ) + family++; + else + { + the_same = FALSE; + + if ( !*family ) + root->style_name = full; + break; + } + } + } + + if ( the_same ) + root->style_name = (char *)"Regular"; + } + } + else + { + /* do we have a `/FontName'? */ + if ( type1->font_name ) + root->family_name = type1->font_name; + } + + if ( !root->style_name ) + { + if ( info->weight ) + root->style_name = info->weight; + else + /* assume `Regular' style because we don't know better */ + root->style_name = (char *)"Regular"; + } + + /* compute style flags */ + root->style_flags = 0; + if ( info->italic_angle ) + root->style_flags |= FT_STYLE_FLAG_ITALIC; + if ( info->weight ) + { + if ( !ft_strcmp( info->weight, "Bold" ) || + !ft_strcmp( info->weight, "Black" ) ) + root->style_flags |= FT_STYLE_FLAG_BOLD; + } + + /* no embedded bitmap support */ + root->num_fixed_sizes = 0; + root->available_sizes = NULL; + + root->bbox.xMin = type1->font_bbox.xMin >> 16; + root->bbox.yMin = type1->font_bbox.yMin >> 16; + /* no `U' suffix here to 0xFFFF! */ + root->bbox.xMax = ( type1->font_bbox.xMax + 0xFFFF ) >> 16; + root->bbox.yMax = ( type1->font_bbox.yMax + 0xFFFF ) >> 16; + + /* Set units_per_EM if we didn't set it in t1_parse_font_matrix. */ + if ( !root->units_per_EM ) + root->units_per_EM = 1000; + + root->ascender = (FT_Short)( root->bbox.yMax ); + root->descender = (FT_Short)( root->bbox.yMin ); + + root->height = (FT_Short)( ( root->units_per_EM * 12 ) / 10 ); + if ( root->height < root->ascender - root->descender ) + root->height = (FT_Short)( root->ascender - root->descender ); + + /* now compute the maximum advance width */ + root->max_advance_width = + (FT_Short)( root->bbox.xMax ); + { + FT_Pos max_advance; + + + error = T1_Compute_Max_Advance( face, &max_advance ); + + /* in case of error, keep the standard width */ + if ( !error ) + root->max_advance_width = (FT_Short)FIXED_TO_INT( max_advance ); + else + error = FT_Err_Ok; /* clear error */ + } + + root->max_advance_height = root->height; + + root->underline_position = (FT_Short)info->underline_position; + root->underline_thickness = (FT_Short)info->underline_thickness; + } + + { + FT_Face root = &face->root; + + + if ( psnames ) + { + FT_CharMapRec charmap; + T1_CMap_Classes cmap_classes = psaux->t1_cmap_classes; + FT_CMap_Class clazz; + + + charmap.face = root; + + /* first of all, try to synthesize a Unicode charmap */ + charmap.platform_id = TT_PLATFORM_MICROSOFT; + charmap.encoding_id = TT_MS_ID_UNICODE_CS; + charmap.encoding = FT_ENCODING_UNICODE; + + error = FT_CMap_New( cmap_classes->unicode, NULL, &charmap, NULL ); + if ( error && + FT_ERR_NEQ( error, No_Unicode_Glyph_Name ) ) + goto Exit; + error = FT_Err_Ok; + + /* now, generate an Adobe Standard encoding when appropriate */ + charmap.platform_id = TT_PLATFORM_ADOBE; + clazz = NULL; + + switch ( type1->encoding_type ) + { + case T1_ENCODING_TYPE_STANDARD: + charmap.encoding = FT_ENCODING_ADOBE_STANDARD; + charmap.encoding_id = TT_ADOBE_ID_STANDARD; + clazz = cmap_classes->standard; + break; + + case T1_ENCODING_TYPE_EXPERT: + charmap.encoding = FT_ENCODING_ADOBE_EXPERT; + charmap.encoding_id = TT_ADOBE_ID_EXPERT; + clazz = cmap_classes->expert; + break; + + case T1_ENCODING_TYPE_ARRAY: + charmap.encoding = FT_ENCODING_ADOBE_CUSTOM; + charmap.encoding_id = TT_ADOBE_ID_CUSTOM; + clazz = cmap_classes->custom; + break; + + case T1_ENCODING_TYPE_ISOLATIN1: + charmap.encoding = FT_ENCODING_ADOBE_LATIN_1; + charmap.encoding_id = TT_ADOBE_ID_LATIN_1; + clazz = cmap_classes->unicode; + break; + + default: + ; + } + + if ( clazz ) + error = FT_CMap_New( clazz, NULL, &charmap, NULL ); + } + } + + Exit: + return error; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* T1_Driver_Init */ + /* */ + /* <Description> */ + /* Initializes a given Type 1 driver object. */ + /* */ + /* <Input> */ + /* driver :: A handle to the target driver object. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_LOCAL_DEF( FT_Error ) + T1_Driver_Init( FT_Module module ) + { + PS_Driver driver = (PS_Driver)module; + + FT_UInt32 seed; + + + /* set default property values, cf. `ftt1drv.h' */ +#ifdef T1_CONFIG_OPTION_OLD_ENGINE + driver->hinting_engine = FT_HINTING_FREETYPE; +#else + driver->hinting_engine = FT_HINTING_ADOBE; +#endif + + driver->no_stem_darkening = TRUE; + + driver->darken_params[0] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1; + driver->darken_params[1] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1; + driver->darken_params[2] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2; + driver->darken_params[3] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2; + driver->darken_params[4] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3; + driver->darken_params[5] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3; + driver->darken_params[6] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4; + driver->darken_params[7] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4; + + /* compute random seed from some memory addresses */ + seed = (FT_UInt32)( (FT_Offset)(char*)&seed ^ + (FT_Offset)(char*)&module ^ + (FT_Offset)(char*)module->memory ); + seed = seed ^ ( seed >> 10 ) ^ ( seed >> 20 ); + + driver->random_seed = (FT_Int32)seed; + if ( driver->random_seed < 0 ) + driver->random_seed = -driver->random_seed; + else if ( driver->random_seed == 0 ) + driver->random_seed = 123456789; + + return FT_Err_Ok; + } + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* T1_Driver_Done */ + /* */ + /* <Description> */ + /* Finalizes a given Type 1 driver. */ + /* */ + /* <Input> */ + /* driver :: A handle to the target Type 1 driver. */ + /* */ + FT_LOCAL_DEF( void ) + T1_Driver_Done( FT_Module driver ) + { + FT_UNUSED( driver ); + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1objs.h b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1objs.h new file mode 100644 index 00000000000..8298e036f4b --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1objs.h @@ -0,0 +1,160 @@ +/***************************************************************************/ +/* */ +/* t1objs.h */ +/* */ +/* Type 1 objects manager (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1OBJS_H_ +#define T1OBJS_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_OBJECTS_H +#include FT_CONFIG_CONFIG_H +#include FT_INTERNAL_TYPE1_TYPES_H + + +FT_BEGIN_HEADER + + + /* The following structures must be defined by the hinter */ + typedef struct T1_Size_Hints_ T1_Size_Hints; + typedef struct T1_Glyph_Hints_ T1_Glyph_Hints; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* T1_Size */ + /* */ + /* <Description> */ + /* A handle to a Type 1 size object. */ + /* */ + typedef struct T1_SizeRec_* T1_Size; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* T1_GlyphSlot */ + /* */ + /* <Description> */ + /* A handle to a Type 1 glyph slot object. */ + /* */ + typedef struct T1_GlyphSlotRec_* T1_GlyphSlot; + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* T1_CharMap */ + /* */ + /* <Description> */ + /* A handle to a Type 1 character mapping object. */ + /* */ + /* <Note> */ + /* The Type 1 format doesn't use a charmap but an encoding table. */ + /* The driver is responsible for making up charmap objects */ + /* corresponding to these tables. */ + /* */ + typedef struct T1_CharMapRec_* T1_CharMap; + + + /*************************************************************************/ + /* */ + /* HERE BEGINS THE TYPE1 SPECIFIC STUFF */ + /* */ + /*************************************************************************/ + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* T1_SizeRec */ + /* */ + /* <Description> */ + /* Type 1 size record. */ + /* */ + typedef struct T1_SizeRec_ + { + FT_SizeRec root; + + } T1_SizeRec; + + + FT_LOCAL( void ) + T1_Size_Done( FT_Size size ); + + FT_LOCAL( FT_Error ) + T1_Size_Request( FT_Size size, + FT_Size_Request req ); + + FT_LOCAL( FT_Error ) + T1_Size_Init( FT_Size size ); + + + /*************************************************************************/ + /* */ + /* <Type> */ + /* T1_GlyphSlotRec */ + /* */ + /* <Description> */ + /* Type 1 glyph slot record. */ + /* */ + typedef struct T1_GlyphSlotRec_ + { + FT_GlyphSlotRec root; + + FT_Bool hint; + FT_Bool scaled; + + FT_Fixed x_scale; + FT_Fixed y_scale; + + FT_Int max_points; + FT_Int max_contours; + + } T1_GlyphSlotRec; + + + FT_LOCAL( FT_Error ) + T1_Face_Init( FT_Stream stream, + FT_Face face, + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ); + + FT_LOCAL( void ) + T1_Face_Done( FT_Face face ); + + FT_LOCAL( FT_Error ) + T1_GlyphSlot_Init( FT_GlyphSlot slot ); + + FT_LOCAL( void ) + T1_GlyphSlot_Done( FT_GlyphSlot slot ); + + FT_LOCAL( FT_Error ) + T1_Driver_Init( FT_Module driver ); + + FT_LOCAL( void ) + T1_Driver_Done( FT_Module driver ); + + +FT_END_HEADER + +#endif /* T1OBJS_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1parse.c b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1parse.c new file mode 100644 index 00000000000..8e201e5ef5a --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1parse.c @@ -0,0 +1,525 @@ +/***************************************************************************/ +/* */ +/* t1parse.c */ +/* */ +/* Type 1 parser (body). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + + /*************************************************************************/ + /* */ + /* The Type 1 parser is in charge of the following: */ + /* */ + /* - provide an implementation of a growing sequence of objects called */ + /* a `T1_Table' (used to build various tables needed by the loader). */ + /* */ + /* - opening .pfb and .pfa files to extract their top-level and private */ + /* dictionaries. */ + /* */ + /* - read numbers, arrays & strings from any dictionary. */ + /* */ + /* See `t1load.c' to see how data is loaded from the font file. */ + /* */ + /*************************************************************************/ + + +#include <ft2build.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_STREAM_H +#include FT_INTERNAL_POSTSCRIPT_AUX_H + +#include "t1parse.h" + +#include "t1errors.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_t1parse + + + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + /***** *****/ + /***** INPUT STREAM PARSER *****/ + /***** *****/ + /*************************************************************************/ + /*************************************************************************/ + /*************************************************************************/ + + + /* see Adobe Technical Note 5040.Download_Fonts.pdf */ + + static FT_Error + read_pfb_tag( FT_Stream stream, + FT_UShort *atag, + FT_ULong *asize ) + { + FT_Error error; + FT_UShort tag; + FT_ULong size; + + + *atag = 0; + *asize = 0; + + if ( !FT_READ_USHORT( tag ) ) + { + if ( tag == 0x8001U || tag == 0x8002U ) + { + if ( !FT_READ_ULONG_LE( size ) ) + *asize = size; + } + + *atag = tag; + } + + return error; + } + + + static FT_Error + check_type1_format( FT_Stream stream, + const char* header_string, + size_t header_length ) + { + FT_Error error; + FT_UShort tag; + FT_ULong dummy; + + + if ( FT_STREAM_SEEK( 0 ) ) + goto Exit; + + error = read_pfb_tag( stream, &tag, &dummy ); + if ( error ) + goto Exit; + + /* We assume that the first segment in a PFB is always encoded as */ + /* text. This might be wrong (and the specification doesn't insist */ + /* on that), but we have never seen a counterexample. */ + if ( tag != 0x8001U && FT_STREAM_SEEK( 0 ) ) + goto Exit; + + if ( !FT_FRAME_ENTER( header_length ) ) + { + error = FT_Err_Ok; + + if ( ft_memcmp( stream->cursor, header_string, header_length ) != 0 ) + error = FT_THROW( Unknown_File_Format ); + + FT_FRAME_EXIT(); + } + + Exit: + return error; + } + + + FT_LOCAL_DEF( FT_Error ) + T1_New_Parser( T1_Parser parser, + FT_Stream stream, + FT_Memory memory, + PSAux_Service psaux ) + { + FT_Error error; + FT_UShort tag; + FT_ULong size; + + + psaux->ps_parser_funcs->init( &parser->root, NULL, NULL, memory ); + + parser->stream = stream; + parser->base_len = 0; + parser->base_dict = NULL; + parser->private_len = 0; + parser->private_dict = NULL; + parser->in_pfb = 0; + parser->in_memory = 0; + parser->single_block = 0; + + /* check the header format */ + error = check_type1_format( stream, "%!PS-AdobeFont", 14 ); + if ( error ) + { + if ( FT_ERR_NEQ( error, Unknown_File_Format ) ) + goto Exit; + + error = check_type1_format( stream, "%!FontType", 10 ); + if ( error ) + { + FT_TRACE2(( " not a Type 1 font\n" )); + goto Exit; + } + } + + /******************************************************************/ + /* */ + /* Here a short summary of what is going on: */ + /* */ + /* When creating a new Type 1 parser, we try to locate and load */ + /* the base dictionary if this is possible (i.e., for PFB */ + /* files). Otherwise, we load the whole font into memory. */ + /* */ + /* When `loading' the base dictionary, we only setup pointers */ + /* in the case of a memory-based stream. Otherwise, we */ + /* allocate and load the base dictionary in it. */ + /* */ + /* parser->in_pfb is set if we are in a binary (`.pfb') font. */ + /* parser->in_memory is set if we have a memory stream. */ + /* */ + + /* try to compute the size of the base dictionary; */ + /* look for a Postscript binary file tag, i.e., 0x8001 */ + if ( FT_STREAM_SEEK( 0L ) ) + goto Exit; + + error = read_pfb_tag( stream, &tag, &size ); + if ( error ) + goto Exit; + + if ( tag != 0x8001U ) + { + /* assume that this is a PFA file for now; an error will */ + /* be produced later when more things are checked */ + if ( FT_STREAM_SEEK( 0L ) ) + goto Exit; + size = stream->size; + } + else + parser->in_pfb = 1; + + /* now, try to load `size' bytes of the `base' dictionary we */ + /* found previously */ + + /* if it is a memory-based resource, set up pointers */ + if ( !stream->read ) + { + parser->base_dict = (FT_Byte*)stream->base + stream->pos; + parser->base_len = size; + parser->in_memory = 1; + + /* check that the `size' field is valid */ + if ( FT_STREAM_SKIP( size ) ) + goto Exit; + } + else + { + /* read segment in memory -- this is clumsy, but so does the format */ + if ( FT_ALLOC( parser->base_dict, size ) || + FT_STREAM_READ( parser->base_dict, size ) ) + goto Exit; + parser->base_len = size; + } + + parser->root.base = parser->base_dict; + parser->root.cursor = parser->base_dict; + parser->root.limit = parser->root.cursor + parser->base_len; + + Exit: + if ( error && !parser->in_memory ) + FT_FREE( parser->base_dict ); + + return error; + } + + + FT_LOCAL_DEF( void ) + T1_Finalize_Parser( T1_Parser parser ) + { + FT_Memory memory = parser->root.memory; + + + /* always free the private dictionary */ + FT_FREE( parser->private_dict ); + + /* free the base dictionary only when we have a disk stream */ + if ( !parser->in_memory ) + FT_FREE( parser->base_dict ); + + parser->root.funcs.done( &parser->root ); + } + + + FT_LOCAL_DEF( FT_Error ) + T1_Get_Private_Dict( T1_Parser parser, + PSAux_Service psaux ) + { + FT_Stream stream = parser->stream; + FT_Memory memory = parser->root.memory; + FT_Error error = FT_Err_Ok; + FT_ULong size; + + + if ( parser->in_pfb ) + { + /* in the case of the PFB format, the private dictionary can be */ + /* made of several segments. We thus first read the number of */ + /* segments to compute the total size of the private dictionary */ + /* then re-read them into memory. */ + FT_ULong start_pos = FT_STREAM_POS(); + FT_UShort tag; + + + parser->private_len = 0; + for (;;) + { + error = read_pfb_tag( stream, &tag, &size ); + if ( error ) + goto Fail; + + if ( tag != 0x8002U ) + break; + + parser->private_len += size; + + if ( FT_STREAM_SKIP( size ) ) + goto Fail; + } + + /* Check that we have a private dictionary there */ + /* and allocate private dictionary buffer */ + if ( parser->private_len == 0 ) + { + FT_ERROR(( "T1_Get_Private_Dict:" + " invalid private dictionary section\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + if ( FT_STREAM_SEEK( start_pos ) || + FT_ALLOC( parser->private_dict, parser->private_len ) ) + goto Fail; + + parser->private_len = 0; + for (;;) + { + error = read_pfb_tag( stream, &tag, &size ); + if ( error || tag != 0x8002U ) + { + error = FT_Err_Ok; + break; + } + + if ( FT_STREAM_READ( parser->private_dict + parser->private_len, + size ) ) + goto Fail; + + parser->private_len += size; + } + } + else + { + /* We have already `loaded' the whole PFA font file into memory; */ + /* if this is a memory resource, allocate a new block to hold */ + /* the private dict. Otherwise, simply overwrite into the base */ + /* dictionary block in the heap. */ + + /* first of all, look at the `eexec' keyword */ + FT_Byte* cur = parser->base_dict; + FT_Byte* limit = cur + parser->base_len; + FT_Pointer pos_lf; + FT_Bool test_cr; + + + Again: + for (;;) + { + if ( cur[0] == 'e' && + cur + 9 < limit ) /* 9 = 5 letters for `eexec' + */ + /* whitespace + 4 chars */ + { + if ( cur[1] == 'e' && + cur[2] == 'x' && + cur[3] == 'e' && + cur[4] == 'c' ) + break; + } + cur++; + if ( cur >= limit ) + { + FT_ERROR(( "T1_Get_Private_Dict:" + " could not find `eexec' keyword\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + } + + /* check whether `eexec' was real -- it could be in a comment */ + /* or string (as e.g. in u003043t.gsf from ghostscript) */ + + parser->root.cursor = parser->base_dict; + /* set limit to `eexec' + whitespace + 4 characters */ + parser->root.limit = cur + 10; + + cur = parser->root.cursor; + limit = parser->root.limit; + + while ( cur < limit ) + { + if ( cur[0] == 'e' && + cur + 5 < limit ) + { + if ( cur[1] == 'e' && + cur[2] == 'x' && + cur[3] == 'e' && + cur[4] == 'c' ) + goto Found; + } + + T1_Skip_PS_Token( parser ); + if ( parser->root.error ) + break; + T1_Skip_Spaces ( parser ); + cur = parser->root.cursor; + } + + /* we haven't found the correct `eexec'; go back and continue */ + /* searching */ + + cur = limit; + limit = parser->base_dict + parser->base_len; + + if ( cur >= limit ) + { + FT_ERROR(( "T1_Get_Private_Dict:" + " premature end in private dictionary\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + goto Again; + + /* now determine where to write the _encrypted_ binary private */ + /* dictionary. We overwrite the base dictionary for disk-based */ + /* resources and allocate a new block otherwise */ + + Found: + parser->root.limit = parser->base_dict + parser->base_len; + + T1_Skip_PS_Token( parser ); + cur = parser->root.cursor; + limit = parser->root.limit; + + /* According to the Type 1 spec, the first cipher byte must not be */ + /* an ASCII whitespace character code (blank, tab, carriage return */ + /* or line feed). We have seen Type 1 fonts with two line feed */ + /* characters... So skip now all whitespace character codes. */ + /* */ + /* On the other hand, Adobe's Type 1 parser handles fonts just */ + /* fine that are violating this limitation, so we add a heuristic */ + /* test to stop at \r only if it is not used for EOL. */ + + pos_lf = ft_memchr( cur, '\n', (size_t)( limit - cur ) ); + test_cr = FT_BOOL( !pos_lf || + pos_lf > ft_memchr( cur, + '\r', + (size_t)( limit - cur ) ) ); + + while ( cur < limit && + ( *cur == ' ' || + *cur == '\t' || + (test_cr && *cur == '\r' ) || + *cur == '\n' ) ) + cur++; + if ( cur >= limit ) + { + FT_ERROR(( "T1_Get_Private_Dict:" + " `eexec' not properly terminated\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Exit; + } + + size = parser->base_len - (FT_ULong)( cur - parser->base_dict ); + + if ( parser->in_memory ) + { + /* note that we allocate one more byte to put a terminating `0' */ + if ( FT_ALLOC( parser->private_dict, size + 1 ) ) + goto Fail; + parser->private_len = size; + } + else + { + parser->single_block = 1; + parser->private_dict = parser->base_dict; + parser->private_len = size; + parser->base_dict = NULL; + parser->base_len = 0; + } + + /* now determine whether the private dictionary is encoded in binary */ + /* or hexadecimal ASCII format -- decode it accordingly */ + + /* we need to access the next 4 bytes (after the final whitespace */ + /* following the `eexec' keyword); if they all are hexadecimal */ + /* digits, then we have a case of ASCII storage */ + + if ( cur + 3 < limit && + ft_isxdigit( cur[0] ) && ft_isxdigit( cur[1] ) && + ft_isxdigit( cur[2] ) && ft_isxdigit( cur[3] ) ) + { + /* ASCII hexadecimal encoding */ + FT_ULong len; + + + parser->root.cursor = cur; + (void)psaux->ps_parser_funcs->to_bytes( &parser->root, + parser->private_dict, + parser->private_len, + &len, + 0 ); + parser->private_len = len; + + /* put a safeguard */ + parser->private_dict[len] = '\0'; + } + else + /* binary encoding -- copy the private dict */ + FT_MEM_MOVE( parser->private_dict, cur, size ); + } + + /* we now decrypt the encoded binary private dictionary */ + psaux->t1_decrypt( parser->private_dict, parser->private_len, 55665U ); + + if ( parser->private_len < 4 ) + { + FT_ERROR(( "T1_Get_Private_Dict:" + " invalid private dictionary section\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + /* replace the four random bytes at the beginning with whitespace */ + parser->private_dict[0] = ' '; + parser->private_dict[1] = ' '; + parser->private_dict[2] = ' '; + parser->private_dict[3] = ' '; + + parser->root.base = parser->private_dict; + parser->root.cursor = parser->private_dict; + parser->root.limit = parser->root.cursor + parser->private_len; + + Fail: + Exit: + return error; + } + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1parse.h b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1parse.h new file mode 100644 index 00000000000..4ac82ae913e --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1parse.h @@ -0,0 +1,129 @@ +/***************************************************************************/ +/* */ +/* t1parse.h */ +/* */ +/* Type 1 parser (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#ifndef T1PARSE_H_ +#define T1PARSE_H_ + + +#include <ft2build.h> +#include FT_INTERNAL_TYPE1_TYPES_H +#include FT_INTERNAL_STREAM_H + + +FT_BEGIN_HEADER + + + /*************************************************************************/ + /* */ + /* <Struct> */ + /* T1_ParserRec */ + /* */ + /* <Description> */ + /* A PS_ParserRec is an object used to parse a Type 1 fonts very */ + /* quickly. */ + /* */ + /* <Fields> */ + /* root :: The root parser. */ + /* */ + /* stream :: The current input stream. */ + /* */ + /* base_dict :: A pointer to the top-level dictionary. */ + /* */ + /* base_len :: The length in bytes of the top dictionary. */ + /* */ + /* private_dict :: A pointer to the private dictionary. */ + /* */ + /* private_len :: The length in bytes of the private dictionary. */ + /* */ + /* in_pfb :: A boolean. Indicates that we are handling a PFB */ + /* file. */ + /* */ + /* in_memory :: A boolean. Indicates a memory-based stream. */ + /* */ + /* single_block :: A boolean. Indicates that the private dictionary */ + /* is stored in lieu of the base dictionary. */ + /* */ + typedef struct T1_ParserRec_ + { + PS_ParserRec root; + FT_Stream stream; + + FT_Byte* base_dict; + FT_ULong base_len; + + FT_Byte* private_dict; + FT_ULong private_len; + + FT_Bool in_pfb; + FT_Bool in_memory; + FT_Bool single_block; + + } T1_ParserRec, *T1_Parser; + + +#define T1_Add_Table( p, i, o, l ) (p)->funcs.add( (p), i, o, l ) +#define T1_Release_Table( p ) \ + do \ + { \ + if ( (p)->funcs.release ) \ + (p)->funcs.release( p ); \ + } while ( 0 ) + + +#define T1_Skip_Spaces( p ) (p)->root.funcs.skip_spaces( &(p)->root ) +#define T1_Skip_PS_Token( p ) (p)->root.funcs.skip_PS_token( &(p)->root ) + +#define T1_ToInt( p ) (p)->root.funcs.to_int( &(p)->root ) +#define T1_ToFixed( p, t ) (p)->root.funcs.to_fixed( &(p)->root, t ) + +#define T1_ToCoordArray( p, m, c ) \ + (p)->root.funcs.to_coord_array( &(p)->root, m, c ) +#define T1_ToFixedArray( p, m, f, t ) \ + (p)->root.funcs.to_fixed_array( &(p)->root, m, f, t ) +#define T1_ToToken( p, t ) \ + (p)->root.funcs.to_token( &(p)->root, t ) +#define T1_ToTokenArray( p, t, m, c ) \ + (p)->root.funcs.to_token_array( &(p)->root, t, m, c ) + +#define T1_Load_Field( p, f, o, m, pf ) \ + (p)->root.funcs.load_field( &(p)->root, f, o, m, pf ) + +#define T1_Load_Field_Table( p, f, o, m, pf ) \ + (p)->root.funcs.load_field_table( &(p)->root, f, o, m, pf ) + + + FT_LOCAL( FT_Error ) + T1_New_Parser( T1_Parser parser, + FT_Stream stream, + FT_Memory memory, + PSAux_Service psaux ); + + FT_LOCAL( FT_Error ) + T1_Get_Private_Dict( T1_Parser parser, + PSAux_Service psaux ); + + FT_LOCAL( void ) + T1_Finalize_Parser( T1_Parser parser ); + + +FT_END_HEADER + +#endif /* T1PARSE_H_ */ + + +/* END */ diff --git a/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1tokens.h b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1tokens.h new file mode 100644 index 00000000000..43a65d88ea4 --- /dev/null +++ b/jdk/src/share/native/sun/awt/libfreetype/src/type1/t1tokens.h @@ -0,0 +1,143 @@ +/***************************************************************************/ +/* */ +/* t1tokens.h */ +/* */ +/* Type 1 tokenizer (specification). */ +/* */ +/* Copyright 1996-2018 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* This file is part of the FreeType project, and may only be used, */ +/* modified, and distributed under the terms of the FreeType project */ +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ +/* this file you indicate that you have read the license and */ +/* understand and accept it fully. */ +/* */ +/***************************************************************************/ + + +#undef FT_STRUCTURE +#define FT_STRUCTURE PS_FontInfoRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_FONT_INFO + + T1_FIELD_STRING( "version", version, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_STRING( "Notice", notice, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_STRING( "FullName", full_name, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_STRING( "FamilyName", family_name, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_STRING( "Weight", weight, + T1_FIELD_DICT_FONTDICT ) + + /* we use pointers to detect modifications made by synthetic fonts */ + T1_FIELD_NUM ( "ItalicAngle", italic_angle, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_BOOL ( "isFixedPitch", is_fixed_pitch, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_NUM ( "UnderlinePosition", underline_position, + T1_FIELD_DICT_FONTDICT ) + T1_FIELD_NUM ( "UnderlineThickness", underline_thickness, + T1_FIELD_DICT_FONTDICT ) + +#undef FT_STRUCTURE +#define FT_STRUCTURE PS_FontExtraRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_FONT_EXTRA + + T1_FIELD_NUM ( "FSType", fs_type, + T1_FIELD_DICT_FONTDICT ) + +#undef FT_STRUCTURE +#define FT_STRUCTURE PS_PrivateRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_PRIVATE + + T1_FIELD_NUM ( "UniqueID", unique_id, + T1_FIELD_DICT_FONTDICT | T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM ( "lenIV", lenIV, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM ( "LanguageGroup", language_group, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM ( "password", password, + T1_FIELD_DICT_PRIVATE ) + + T1_FIELD_FIXED_1000( "BlueScale", blue_scale, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM ( "BlueShift", blue_shift, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM ( "BlueFuzz", blue_fuzz, + T1_FIELD_DICT_PRIVATE ) + + T1_FIELD_NUM_TABLE ( "BlueValues", blue_values, 14, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM_TABLE ( "OtherBlues", other_blues, 10, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM_TABLE ( "FamilyBlues", family_blues, 14, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM_TABLE ( "FamilyOtherBlues", family_other_blues, 10, + T1_FIELD_DICT_PRIVATE ) + + T1_FIELD_NUM_TABLE2( "StdHW", standard_width, 1, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM_TABLE2( "StdVW", standard_height, 1, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM_TABLE2( "MinFeature", min_feature, 2, + T1_FIELD_DICT_PRIVATE ) + + T1_FIELD_NUM_TABLE ( "StemSnapH", snap_widths, 12, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM_TABLE ( "StemSnapV", snap_heights, 12, + T1_FIELD_DICT_PRIVATE ) + + T1_FIELD_FIXED ( "ExpansionFactor", expansion_factor, + T1_FIELD_DICT_PRIVATE ) + T1_FIELD_BOOL ( "ForceBold", force_bold, + T1_FIELD_DICT_PRIVATE ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE T1_FontRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_FONT_DICT + + T1_FIELD_KEY ( "FontName", font_name, T1_FIELD_DICT_FONTDICT ) + T1_FIELD_NUM ( "PaintType", paint_type, T1_FIELD_DICT_FONTDICT ) + T1_FIELD_NUM ( "FontType", font_type, T1_FIELD_DICT_FONTDICT ) + T1_FIELD_FIXED( "StrokeWidth", stroke_width, T1_FIELD_DICT_FONTDICT ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE FT_BBox +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_BBOX + + T1_FIELD_BBOX( "FontBBox", xMin, T1_FIELD_DICT_FONTDICT ) + + +#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT + +#undef FT_STRUCTURE +#define FT_STRUCTURE T1_FaceRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_FACE + + T1_FIELD_NUM( "NDV", ndv_idx, T1_FIELD_DICT_PRIVATE ) + T1_FIELD_NUM( "CDV", cdv_idx, T1_FIELD_DICT_PRIVATE ) + + +#undef FT_STRUCTURE +#define FT_STRUCTURE PS_BlendRec +#undef T1CODE +#define T1CODE T1_FIELD_LOCATION_BLEND + + T1_FIELD_NUM_TABLE( "DesignVector", default_design_vector, + T1_MAX_MM_DESIGNS, T1_FIELD_DICT_FONTDICT ) + + +#endif /* T1_CONFIG_OPTION_NO_MM_SUPPORT */ + + +/* END */