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ChangeLog.2
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This is the ChangeLog covering gnuplot development between November 2006
(version 4.2-rc1) and November 2009 (4.4-rc1).
========================================================================
2009-10-17 Ethan A Merritt <merritt@u.washington.edu>
* src/plot3d.c: Initialize each new surface in a 3d dataset directly
from the first surface.
Bug #2876167
2009-10-14 Shigeharu Takeno <shige@iee.niit.ac.jp>
* docs/gnuplot-ja.doc docs/term-ja.diff:
Sync Japanese documentation to gnuplot.doc rev 1.585
2009-10-10 Jost Brachert <jotyc@users.sourceforge.net>
* src/datafile.c (plot_option_index) docs/gnuplot.doc:
Allow a blank trailing index spec to indicate "until end of file".
2009-10-10 Alexander Täschner <taschna@users.sourceforge.net>
* src/tabulate.c: Fix tabular output of log scale data.
Bug #2849166
2009-10-09 Thomas Sefzick <thse@users.sourceforge.net>
* term/latex.trm: Add an option for rotated text in the old latex
terminal. 'set term latex rotate' enables it and turns off the
previous 'stacked' y-label mechanism.
2009-10-08 Ethan A Merritt <merritt@u.washington.edu>
* src/graphics.c (plot_image_or_update_axes) demo/imageNaN.dem:
NaN/Inf values in the input are processed differently depending on
whether they are read directly from the input file or generated by an
input expression. Both cases should be treated equivalently for the
purpose of IMAGE rendering.
NB: Fixes 2D case but not 3D case, as shown by revised imageNaN demo.
Bug #2875069
2009-10-08 Ethan A Merritt <merritt@u.washington.edu>
* FAQ.pdf Makefile.am: FAQ.pdf replaces outdated FAQ
* src/graph3d.c (do_3dplot): Explicit 'set xyplane at <z-value>' should
be honored even if the x and y tics are turned off.
Bugfix
* src/graph3d.c (plot3drequest): Fixes spurious error from old tics,
e.g. "set ytics ("Bug" 0); unset ytics; set ytics; splot x*y"
2009-10-06 Shigeharu Takeno <shige@iee.niit.ac.jp>
* src/term.c (term_start_multiplot): Accept an explicit font for
the multiplot title.
2009-10-06 Ethan A Merritt <merritt@u.washington.edu>
* term/gd.trm: Silence a compiler warning if gdUseFontConfig() is
defined to be 0.
* demo/html/webify.pl demo/html/webify_svg.pl demo/html/webify_canvas.pl
If GNUPLOT_LIB is not defined, set it to ..
Bug #2868958
2009-10-06 Tatsuro Matsuoka <tmacchant3@yahoo.co.jp>
* config/makeile.mgw: Override the -mwindows compilation flag
provided by wx-config.
2009-09-17 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.trm (CANVAS_graphics): Be wary of uninitialized
global variables when setting up the mouse event handler.
2009-09-17 Hans-Bernhard Broeker <broeker@physik.rwth-achen.de>
* src/win/winmain.c (MyFPrintF, MyVFPrintF, MyPrintF): Cannot call
va_list functions twice with the same va_list. Have to call a
pair of va_end() and either va_start() or va_copy() in between.
2009-09-16 Benjamin Lindner <lindnerb@users.sourceforge.net>
* term/emf.trm (ENHemf_FLUSH): Possible fix for the problem of
Windows utilities not properly displaying files created by
enhaced text mode. Bug #2744404
2009-09-13 Ethan A Merritt <merritt@u.washington.edu>
* src/term_api.h src/set.c (set_termoptions): Clean up the code for
'set termoption <foo>', using terminal flags to ensure that a command
is only sent to terminal types that can handle it.
* docs/gnuplot.doc term/cairo.trm term/canvas.trm term/cgm.trm
term/emf.trm term/gd.trm term/pdf.trm term/post.trm term/svg.trm
term/tgif.trm term/x11.trm docs/gnuplot.doc:
Add flag to allow "set termopt linewidth <lw>"
2009-09-08 Philipp K. Janert <janert@ieee.org>
* src/specfun.c: Fixing the static function declarations for the
Airy function.
2009-09-06 Ethan A Merritt <merritt@u.washington.edu>
* src/win/wgraph.c (drawgraph): Make sure to update current position
after drawing a polyline.
Bug #2213362
* src/graphics.c (boundary): If there is no colorbox, don't try to
assign tick positions for it.
Bug #2822482
* term/gd.trm: Re-order initialization of background color, correct
compilation warnings if using libgd 2.0.36
2009-09-05 Philipp K. Janert <janert@ieee.org>
* src/specfun.c src/specfun.h src/eval.c docs/gnuplot.doc: Adding
support for the Airy function Ai(x) as gnuplot function airy(x).
2009-09-03 Alexander Täschner <taschna@users.sourceforge.net>
* src/datafile.c (df_generate_pseudodata): Fix off-by-one error in
generating the number of points corresponding to samples.
2009-09-02 Benjamin Lindner <lindnerb@users.sourceforge.net>
* docs/gnuplot.doc docs/plotstyles.gnu demo/histerror.dat:
Add a figure to the pdf documentation showing histogram with errorbars.
2009-09-01 Ethan A Merritt <merritt@u.washington.edu>
* src/set.c (set_tic_prop): When xtics (e.g.) were unset, then a new
command 'set xtics ...' could lose track of the tic properties being set.
Bug #2848433
2009-08-31 Benjamin Lindner <lindnerb@users.sourceforge.net>
* src/win/wpause.c src/wxterminal/gp_cairo.c: Fix ambiguous syntax and
bad format statement that generates compiler warnings.
2009-08-30 Tatsuro Matsuoka <tmacchant3@yahoo.co.jp>
* config/makeile.mgw: The cairo terminals need gp_cairo_helpers also.
2009-08-28 Benjamin Lindner <lindnerb@users.sourceforge.net>
* config/makefile.mgw: Separate configuration flag CAIROTERMS for
inclusion of pngcairo and pdfcairo terminals.
EAM - Share a CAIROLIBS flag for use by both WXT and CAIROTERMS.
2009-08-28 jpsa <john-aldridge@users.sourceforge.net>
* src/win/wgraph.c: Use printer open method recommended by
Microsoft knowledge base article 240082.
2009-08-28 Alexander Täschner <taschna@users.sourceforge.net>
* src/win/winmain.c: Avoid buffer overflow in MyPrintF and MyFPrintF.
2009-08-27 Ethan A Merritt <merritt@u.washington.edu>
* src/graphcs.c (boundary): Fix bug #2845874
(Rotated xtics caused misplacement of explicit bmargin).
2009-08-27 Ethan A Merritt <merritt@u.washington.edu>
* src/breaders.c (png_filetype_function df_libgd_get_pixel)
src/breaders.h src/datafile.c (df_open df_readbinary):
If gnuplot has been linked with libgd (to support gif/png/jpeg) then
we might as well use its ability to read in png images as binary data.
New binary option for use with either rgbimage or rgbalpha
plot 'foo.png' binary filetype=png
* src/datafile.c (plot_option_binary): Fix the logic that checks for a
default binary filetype if none is specified in the plot command.
* docs/gnuplot.doc docs/plotstyles.gnu docs/bldg.png:
Add a sample plot the uses rescaled png images as plot elements.
2009-08-26 Ethan A Merritt <merritt@u.washington.edu>
* configure.in term/canvas.trm: Remove EXPERIMENTAL flag from
canvas and wxt terminals.
* term/post.trm: Fix typos in version history
2009-08-21 Ethan A Merritt <merritt@u.washington.edu>
* src/datafile.c (df_readbinary): The binary data syntax
splot ... binary array=(x,y)
is very odd because it always fills in the z coordinate of each
voxel with 0 rather than with the actual array value. This makes a
small amount of sense for IMAGE data, but makes the input mode useless
for plotting a data surface from a binary array. This patch changes
the behaviour by loading the array value into z for non-image plots.
2009-08-19 Shigeharu Takeno <shige@iee.niit.ac.jp>
* term/tgif.trm:
1) supports continuous colors (make_palette, set_color)
2) supports fill patterns (filled_polygon)
3) supports the density of solid fill (filled_polygon)
4) adds TGIF_fillbox and TGIF_previous_palette (doing nothing)
5) modifies two variable names (u* -> d*)
6) swap point types 1 and 2 to match other terminals
2009-08-18 Ethan A Merritt <merritt@u.washington.edu>
* src/plot2d.c src/plot3d.c docs/gnuplot.doc: More problems with
iterate plus in-line definitions. The scope of iteration within a plot
command is documented as extending to the first comma or semicolon, but
unfortunately the parser didn't allow omiting the comma after a
definition. Now it does. Add simple examples to the documentation.
2009-08-15 Shigeharu Takeno <shige@iee.niit.ac.jp>
* term/tgif.trm (TGIF_set_color): Support for RGB colors and TC_LT.
2009-08-13 anonymous
* term/tek.trm: Add support for xterm tektronix emulation
2009-08-07 Ethan A Merritt <merritt@u.washington.edu>
* src/plot3d.c: The combination of iteration and in-line definition was
fatal to splot. Move the iteration check to encompass definitions also.
Bug #2833808
2009-08-05 Ethan A Merritt <merritt@u.washington.edu>
* src/graphics.c (boundary): The calculation of vertical space required
to hold rotated x axis tick labels was only being done if the margins
were in auto mode. Rearrange the code so that the calculation is also
made for plots with explicit 'set [tb]margin'.
Bug #2830712
2009-08-04 Ethan A Merritt <merritt@u.washington.edu>
* docs/gnuplot.doc: Expand section on newhistogram command.
2009-08-04 Jérôme Lodewyck <lodewyck@users.sourceforge.net>
* configure.in: Remove unwanted spaces.
* qtterminal/QtGnuplotScene.* qt_term.cpp: Changed round() to qRound().
* qtterminal/QtGnuplotInstance.* qtterminal/embed_example.*: Forward
gnuplot standard outputs to a custom frame.
2009-08-02 Ethan A Merritt <merritt@u.washington.edu>
* src/axis.c src/axis.h src/color.c src/graphics.c src/graph3d.c:
Add an additional parameter to all tick_callback() routines. In the case
of auto-generated ticks, we use this to pass in a list of user-specified
labels in case one is supposed to replace the auto-generated label.
The actual label replacement is only implemented for 2D plots.
2009-08-01 Jérôme Lodewyck <lodewyck@users.sourceforge.net>
* qtterminal/QtGnuplotWindow.cpp qtterminal/QtGnuplotEvent.cpp qt_term.cpp:
Close the current plot window when [ctrl+]q is pressed.
* qtterminal/QtGnuplotInstance.cpp: changed the default path for the
gnuplot executable in embedded widgets from the local directory to the main
path.
2009-07-31 James R. Van Zandt <jrvz@comcast.net>
* docs/gnuplot.doc: Cross reference to "set xyplane" instead of
deprecated "set ticslevel".
2009-07-30 Ethan A Merritt <merritt@u.washington.edu>
* configure.in: Change default state of qt terminal to disabled.
To build with qt support use ./configure --enable-qt
* src/qtterminal/Makefile.am: Add additional files to the list of
things to be placed in the distribution package.
2009-07-30 Jérôme Lodewyck <lodewyck@users.sourceforge.net>
* configue.in: Fix a compile error when the Qt terminal is disabled.
2009-07-29 Jérôme Lodewyck <lodewyck@users.sourceforge.net>
* configue.in src/Makefile.am: better check for Qt tools
moc uic and lrelease.
2009-07-28 Ethan A Merritt <merritt@u.washington.edu>
* src/datafile.c (df_readascii): Handle xticlabels() in the case of
histograms with errorbars. Bugfix
2009-07-28 Jérôme Lodewyck <lodewyck@users.sourceforge.net>
* qtterminal/po/qtgnuplot_ja.ts: Japanese translation. patch 2828290
2009-07-28 Jérôme Lodewyck <lodewyck@users.sourceforge.net>
* qtterminal/qt_term.cpp: When consecutive motion events are received,
only process the last one.
* src/Makefile.am: Fix make rules for embed_example
2009-07-27 Jérôme Lodewyck <lodewyck@users.sourceforge.net>
* qtterminal/qt_term.cpp qtterminal/QtGnuplot.pro qtterminal/po/*:
Add an internationalization framework and a french translation.
2009-07-26 Ethan A Merritt <merritt@u.washington.edu>
* src/color.c (draw_color_smooth_box) src/gadgets.h src/gadgets.c
src/graphics.c (boundary): Add a field color_box.xoffset to allow the
colorbox to be shifted left or right from the default placement.
Use this internally to correct for the width taken by y2 tics and
labels.
Bugfix: 'set y2tics; plot foo using 1:2:3 axes x1y2 lc palette'
* src/graphics.c (do_polygon): Change the clipping rules for polygons
to match those of rectangles. A polygon is clipped only if all of its
vertices are specified in plot coordinates (i.e. not screen or graph
coordinates).
2009-07-24 Jérôme Lodewyck <lodewyck@users.sourceforge.net>
* qtterminal/qt_term.cpp: use locale config macros
* qtterminal/QtGnuplotWindow.cpp: remove the "export to EPS" option.
* qtterminal/QtGnuplotWidget.cpp: terminal size option is now working
Changed the default background color from red to white.
* qtterminal/QtGnuplotScene.cpp: clip the zoom rect on half integer
coordinates.
* qtterminal/QtGnuplotInstance.cpp qtterminal/embed_example.cpp: update the
embed example to follow the new size policy.
2009-07-23 James R. Van Zandt <jrvz@comcast.net>
* src/mouse.c (event_buttonpress): Reimplement pan and zoom with
mouse wheel to use axis_array[].min and .max directly, without
using the mouse position. Extend pan and zoom to 3D plots. Add
documentation and help printout.
2009-07-20 Benjamin Lindner <lindnerb@users.sourceforge.net>
* src/win/winmain.c: enable load of the correct .ico symbol for the
plotting window within win.trm; LoadIcon(graphwin.hInstance, "GRPICON")
fails if graphwin.hInstance equals NULL.
Patch #1627936
2009-07-20 Ethan A Merritt <merritt@u.washington.edu>
* src/plot2d.c (store2d_point): If the plot uses palette colors taken
from the Z coordinate, then also use Z to auto-scale cbrange.
Bug #2133407
2009-07-19 Jérôme Lodewyck <lodewyck@users.sourceforge.net>
Add a Qt terminal, which can either act as a standalone interactive
terminal window or be embedded in an external Qt application.
* configure.in docs/Makefile.in src/Makefile.am src/makefile.all
src/makefile.awc src/term.c src/term.h ./term/qt.trm
* qtterminal/*
Makefile.am QtGnuplotApplication.cpp QtGnuplotApplication.h
QtGnuplotEvent.cpp QtGnuplotEvent.h QtGnuplotInstance.cpp
QtGnuplotInstance.h QtGnuplotItems.cpp QtGnuplotItems.h
QtGnuplotResource.qrc QtGnuplotScene.cpp QtGnuplotScene.h
QtGnuplotSettings.ui QtGnuplotWidget.cpp QtGnuplotWidget.h
QtGnuplotWindow.cpp QtGnuplotWindow.h
qt_conversion.cpp qt_term.cpp qt_term.h
embed_example.cpp embed_example.h README.Qt
* qtterminal/images/*
application-pdf.png configure.png document-export.png document-print.png
edit-paste.png grid.png icon32x32.xpm image-bmp.png image-x-eps.png
view-refresh.png zoom-in.png zoom-original.png zoom-out.png
2009-07-18 Ethan A Merritt <merritt@u.washington.edu>
* src/wxterminal/wxt_gui.cpp src/wxterminal/wxt_gui.h:
Pass through mouse wheel events from the wxt terminal, so that the new
pan and zoom works for wxt as well as x11.
2009-07-17 James R. Van Zandt <jrvz@comcast.net>
* src/mouse.c (event_buttonpress): Implement pan and zoom with
mouse wheel: wheel to pan up or down, shift-wheel to pan left or
right, control-wheel to zoom in or out, shift-control-wheel to
zoom X axis only.
2009-07-16 Ethan A Merritt <merritt@u.washington.edu>
* src/save.c: The "set view" command was incorrectly saved twice.
Bug #2822433
* term/win.trm: WIN_filled_polygon(): Attempt to handle pattern fill
by piggybacking on the WIN_fillbox() code that creates a pattern brush.
* src/graphics.c (plot_image_or_update_axes): In image failsafe mode,
clip the individual rectangles (pixels) to the edge of the plot.
Bug #2820529
2009-07-14 Ethan A Merritt <merritt@u.washington.edu>
* term/win.trm: Set the fillstyle belonging to a filled polygon.
Unfortunately, the filled_poly code in wgraph.c then ignores this,
but at least we tried.
* src/win/wgraph.c: Handle negative line types correctly, including
support for LT_BACKGROUND.
Bug #1952287
* src/gplt_x11.c: The previous state was not being properly restored
after drawing a filled rectangle.
2009-07-13 Ethan A Merritt <merritt@u.washington.edu>
* term/win.trm (WIN_set_color) src/win/wgraph.c (drawgraph):
Repair breakage of the set color mechanism. term->set_color()
should set the color simultaneously for pens, fill brushes, and
text. But no other line or fill properties should be affected.
Fixes various reported bugs, including #2725599
2009-07-10 Ethan A Merritt <merritt@u.washington.edu>
* term/post.trm (PS_fillbox): FS_DEFAULT should be treated as
"fill with current color" rather than "fill with background color".
Bug #2819615
2009-07-09 Ethan A Merritt <merritt@u.washington.edu>
* src/gadgets.h: Repair incomplete initialization specs for default
object properties.
2009-07-08 Petr Mikulik <mikulik@physics.muni.cz>
* term/gd.trm (START_HELP(gif)): Document gif animation options.
2009-07-07 Shigeharu Takeno <shige@iee.niit.ac.jp>
* docs/gnuplot-ja.doc docs/term-ja.diff:
Sync Japanese documentation to gnuplot.doc rev 1.573
2009-07-04 Ethan A Merritt <merritt@u.washington.edu>
* src/term.c: The code was disabling all mousing and mouse events
during multiplot. This had the unfortunate side effect that window
resizing and placement events were never acknowledged. If the first
plot drawn was inside the multiplot, very strange things happened.
Also hotkeys would not work.
Bug #2812476
* src/gadgets.h src/gadgets.h src/mouse.c (builtin_toggle_border)
src/set.c: The 'b' hotkey was a no-op in 2D plots, and lost the current
user setting for both 2D and 3D plots. Change it to cycle the border
setting between user / off / full / partial (3D only).
* src/graphics.c (plot_boxes plot_c_bars do_rectangle do_key_sample):
Remove the fill_corners() routine and instead call term->fillbox()
directly rather than dummying up a call to term->filled_polygon().
Bug #2804784
2009-07-04 Hans-Bernhard Broeker <broeker@physik.rwth-achen.de>
* term/aquaterm.trm (AQUA_options): Fix typo.
2009-07-03 Harald Harders <h.harders@tu-bs.de>
* term/cairo.trm: Introduce the struct cairo_params_t that takes all
pdfcairo and pngcairo terminal options, e.g., color, rounded, fontsize,
etc., as it is already done in term/post.trm. This is useful when
different terminals share the same portion of code.
2009-07-02 Mojca Miklavec <mojca.miklavec.lists@gmail.com>
* term/aquaterm.c: The "size xx,yy" option should have a comma between
xx and yy for consistency with other terminals.
2009-06-25 Ethan A Merritt <merritt@u.washington.edu>
* src/graphics.c (plot_c_bars): Candlestick boxes that were entirely out
of range on y were nevertheless appearing as a horizontal line along the
plot border. Skip them entirely. Same problem for whiskerbars.
Bugs #2807571 #2812572
2009-06-21 Thomas Sefzick <thse@users.sourceforge.net>
* term/gd.trm: The background color requested in "set term png..."
was not being used in truecolor png output.
Bugfix
2009-06-16 Ethan A Merritt <merritt@u.washington.edu>
* src/term.c (test_term): Initialize bounding box. Exercise a few
more terminal properties if available: transparency, enhanced text.
* configure.in: Remove the EXPERIMENTAL warning from the configuration
options for command line macros and for the tikz/lua terminal.
2009-06-12 Ethan A Merritt <merritt@u.washington.edu>
* src/wxterminal/wxt_gui.cpp src/wxterminal/wxt_term.h term/wxt.trm:
set term wxt {dashed} {dashlength <dl>}
2009-06-11 Ethan A Merritt <merritt@u.washington.edu>
* src/wxterminal/wxt_gui.cpp (wxt_set_color): plot .. lc N should take
only the color from linetype N, not any of the other properties.
Bugfix (e.g. plot sin(x) with lines lt 0 lc 3)
2009-06-06 Ethan A Merritt <merritt@u.washington.edu>
* src/misc.c src/save.c src/graphics.c src/term_api.h docs/gnuplot.doc
docs/plotstyles.gnu: Add new linestyle property 'pointinterval'.
This is a modified version of patchset #2653943 contributed by
Hans (oe6jwf@users.sourceforge.net).
* src/term_api.h term/post.trm term/cairo.trm term/pdf.trm term/cgm.trm
term/pbm.trm term/emf.trm term/win.trm: Add a flag TERM_MONOCHROME
that indicates a terminal wants black lines only, even if it is capable
of RGB or palette color.
2009-06-05 Ethan A Merritt <merritt@u.washington.edu>
* time.c (ggmtime): Counting back from 1.e38 by one year at a time takes
forever. Limit the range of acceptable time values to +/- 10^12 seconds,
which gives a range of 33688 years forward or back.
* axis.c (gen_tics): Skip calculation of 0-length minor ticks
2008-06-04 Peter Hedwig <peter@affenbande.org>
* term/lua/gnuplot-tikz.lua term/lua/gnuplot-tikz.help
share/LaTeX/gnuplot-lua-tikz.sty: Update the lua terminal scripts to
accept a font size in the second slot of a font descriptor string.
2009-06-04 Ethan A Merritt <merritt@u.washington.edu>
* src/mouse.c: The following test script triggered multiple problems.
"set multi; set x2data time; set x2tics; unset multi;"
- initialize mouse_x, mouse_y to -1; test before using
- initialize mouse values with VERYLARGE (replace magic number 1e38)
- xDateTimeFormat: do not attempt to convert VERYLARGE to a date
Bugfix.
2009-06-04 Shigeharu Takeno <shige@iee.niit.ac.jp>
* term/gd.trm: Remove redundant section in gif help text.
2009-06-03 Ethan A Merritt <merritt@u.washington.edu>
* src/term.c (enhanced_recursion): Enhanced text markup applied to a
single multibyte character was producing garbage. Fix this for UTF-8.
Other multibyte encoding may still trigger this problem.
Bugfix #2800539
2009-05-31 Ethan A Merritt <merritt@u.washington.edu>
* src/axis.c (get_position_default): Ugly hack to work around
ambiguous syntax if "offset x,y" is the last thing in a plot clause.
Bugfix #2726798
2009-05-31 Shigeharu Takeno <shige@iee.niit.ac.jp>
* docs/term-ja.diff docs/gnuplot-ja.doc: Sync to rev.1.568
* docs/gnuplot.doc term/gd.trm: typos in documentation
2009-05-31 Ethan A Merritt <merritt@u.washington.edu>
Start branch for Release 4.4
New stuff, i.e. code other than bugfixes or things identified as
being desireable for version 4.4, should be commited in the
development branch only (this one).
Bugfixes should be applied to both the development branch 4.3
(this one) and the new one (branch-4-4-stable). When we release
4.4, we will bump the version number of the development branch to 4.5.
2009-05-31 Ethan A Merritt <merritt@u.washington.edu>
* term/svg.trm: Revert the global attribute xml:space="preserve"
because Firefox 3 messes up badly when it is present.
* demo/html/Makefile.svg demo/html/webify_svg.pl demo/html/index.svg:
Add scripts to generate a demo set for the svg terminal.
* ChangeLog, ChangeLog.1: Cycle the ChangeLog.
Entries before the 4.2.0-rc1 release are now in ChangeLog.1,
newer ones are in ChangeLog (this file).
* README, README.1ST, TODO: Quick pass at updating these.
* src/Makefile.am term/Makefile.am.in: Handle the new term/js and
gnuplot-lua-tikz.sty files correctly during 'make distcheck'.
2009-05-30 Ethan A Merritt <merritt@u.washington.edu>
* share/LaTeX/Makefile.am: Add ${prefix}/usr in front of the
install directory for latex files. This probably still doesn't work
correctly, because kpsexpand may not return a reasonable path.
But at least if you have write permission to ${prefix} then
'make install' will not fail.
Bugfix #2798303
* share/LaTeX/Makefile.am term/lua/TODO */gnuplot-lua-tikz.sty:
Move gnuplot-lua-tikz.sty from term/lua/ to share/LaTeX/ so that it can
be installed along with other latex support files.
* configure.in: Issue a warning that the BSD editline library does not
handle multibyte character encodings. That makes it pretty useless in a
UTF-8 environment. This is not something we can fix.
Bug #2790153
2009-05-30 Thomas Sefzick <thse@users.sourceforge.net>
* src/graph3d.c (do_3dplot): Adjust position of 3D plot with
'set view equal xyz' so that the center of rotation is at the center
of the screen.
Bugfix #2797226
2009-05-30 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.trm term/js/gnuplot_mouse.js: Give each plot its own
namespace, so that multiple mouseable plots in the same document do
not overwrite each other's mouse readout.
* demo/cities.dem demo/html/Makefile.canvas demo/html/webify_canvas.pl
demo/html/index.canvas demo/html/mousebox.template
demo/html/canvas_utf8.dem:
Add scripts to generate a demo set for the canvas terminal.
* term/js/README: Provide some documentation on using the canvas
terminal to create web pages, and on known browser quirks.
2009-05-28 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.trm: Javascript output using the "name" option now
initializes the mouse and zoom tracking for each plot. This will be
needed in order to embed multiple mouseable plots in a single document.
* term/canvas.trm term/js/gnuplot_common.js:
Dots were not handled by the zoom code. Create a new routine Dot(x,y)
to wrap the call to strokeRect(). Bugfix.
* term/x11.trm: Silence an escaped debug fprintf. Bugfix.
2008-05-25 Peter Hedwig <peter@affenbande.org>
* src/Makefile.am term/lua/ChangeLog term/lua/gnuplot.lua
term/lua/gnuplot-lua-tikz.sty term/lua/gnuplot-tikz.help
term/lua/gnuplot-tikz.lua term/lua/NEWS term/lua.trm:
Rearrange internal documentation, improved error handling,
remove the "script" keyword (script name is now mandatory).
EAM: term/lua.trm: Create a dummy terminal table for 'tikz' so that
'set term tikz' can act as a short form of 'set term lua tikz', the
auto-generated documentation knows about tikz, and GPVAL_TERMINALS
lists tikz as an available terminal type (requested by Octave).
2009-05-22 Ethan A Merritt <merritt@u.washington.edu>
* term/gd.trm: Test for libgd version 2.0.36 or newer. These allow
us to specify fonts either by filename or by using the syntax of the
fontconfig utility. E.g. "set term png font 'times:italic' 12"
2009-05-17 Ethan A Merritt <merritt@u.washington.edu>
* term/gd.trm docs/gnuplot.doc: Restore the option of using one of
libgd's built-in fonts, even if a scalable font is available.
Begin a reorganization of the documentation dealing with fonts.
There is now a top level entry "Fonts" in the manual, with subsections
for font-handling in libgd, PostScript, and cairo (as yet unfinished).
* term/js/gnuplot_mouse.js (saveclick zoom_in): Do not let the current
mouse event fall through to also activate default desktop actions.
2009-05-12 Ethan A Merritt <merritt@u.washington.edu>
* src/graphics.c (boundary): Initialize xtic_textwidth on entry.
2009-05-11 Ethan A Merritt <merritt@u.washington.edu>
* term/pslatex.trm: Broken format specifier.
Bug #2750114
2009-05-10 Ethan A Merritt <merritt@u.washington.edu>
* term/cairo.trm: Do not call term->text() in between multiplot
sections; it causes a spurious page break in the pdf output.
Bugfix
2009-05-09 Ethan A Merritt <merritt@u.washington.edu>
* Makefile.am, src/Makefile.am: Add a top level make target "gnuplot"
that builds only the gnuplot executable. I.e. no auxilliary programs
for testing or demo generation, no documentation or tutorials, etc.
This change was requested in order to simplify cross-compilation.
* src/graphics.c (boundary): Allow extra space in the right margin if
user-defined xtic labels would otherwise protrude off the right edge of
the plot.
2009-05-05 Peter Gasparovic (buteo@users.sourceforge.net)
* term/PostScript/cp1250.ps: Fix code points for Lcaron, lcaron.
Bug #2785002
2009-05-05 Thomas Sefzick (thse@users.sourceforge.net)
* term/pslatex.trm: 'set epslatex ... blacktext' was producing white
text for tics labels, axis labels, key labels, but black title text.
Bug #2750114
2009-04-22 Carl Troein (troein@users.sourceforge.net)
* src/axis.c (get_position_default): Zero each position structure when
allocated. Bug #2778438.
2009-04-21 Ethan A Merritt <merritt@u.washington.edu>
* src/mouse.c: Clean up string handling and remove dead code.
Use strcat() rather than overlapping sprintf(). This should do away
with the need for the "ultrix" mouse patch in our contrib collection,
and also fix Bug #2700365.
2009-04-19 Ethan A Merritt <merritt@u.washington.edu>
* term/gd.trm: Only show a list of colors in "show term" if the user
actually set some new colors in the "set term" command.
2009-04-14 Ethan A Merritt <merritt@u.washington.edu>
* term/js/gnuplot_mouse.js: Initialize x2 and y2 axes in mousing code.
* demo/html/Makefile demo/html/webify.pl demo/html/gnuplot_demo.css:
Modify the layout of auto-generated web pages for the demo collection.
2009-04-13 Shigeharu Takeno <shige@iee.niit.ac.jp>
* docs/gnuplot.doc term/canvas.trm: Fix typos in the documentation.
2009-04-12 Ethan A Merritt <merritt@u.washington.edu>
* src/graph3d.c (find_maxl_keys3d): Fix incorrect layout of key box in
plots with labeled contours (e.g. contours.dem plot #21).
* src/graph3d.c src/graph3d.h src/set.c src/unset.c docs/gnuplot.doc:
Add a per-plot attribute "nosurface", allowing an individual plot to
opt out of the global 3D setting "set surface".
* src/datafile.c (plot_option_binary): Do not reset df_matrix_file to
FALSE just because there is a default setting for the binary format.
Bugfix
2009-04-05 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.trm term/js/gnuplot_mouse.c:
Add plot canvas to the focus list so that hotkeys work in Firefox.
2009-04-04 Benjamin Lindner <lindnerb@users.sourceforge.net>
* src/plot2d.c (eval_plots): Initialize newhistogram line type to
current plot linetype. Otherwise "set style incr user" fails.
Bug #2725577
2009-04-04 Ethan A Merritt <merritt@u.washington.edu>
* term/post.trm: Track current and previous linewidth, so that we
can issue an explicit "PL" (stroke and set linewidth) if it has
changed.
Bug #2725599
2009-03-31 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.trm term/js/gnuplot_mouse.css term/js/gnuplot_mouse.js
term/js/gnuplot_common.js term/js/textzoom.png:
Revise canvas terminal to provide additional client-side interactions.
- Left mouse-click annotates the graph
- Client side click-and-drag zooming of plots
- Hotkey support (doesn't work in Firefox for some reason)
- Coordinate space is oversampled to retain precision when zoomed
The size of output *.js files is reduced by roughly 25% by using a set
of shared routines kept in a separate file gnuplot_common.js
2009-03-31 James R. Van Zandt <jrvz@comcast.net>
* src/parse.c (empty_iteration): Iteration accepts negative
increments.
2009-03-28 Ethan A Merritt <merritt@u.washington.edu>
* src/graphics.c (boundary): Reserve room for user tic labels even if
the format for autoticks is "".
* src/set.c (load_tics) src/save.c (save_tics): Do not save or restore
axis tic labels that were read from a data file.
Bug #2711994
2009-03-26 Ethan A Merritt <merritt@u.washington.edu>
* src/graphics.c (boundary): Fix bug that caused the left/right
margin offsets to be applied twice, leading to too-wide margins.
Bug #2714997
2009-03-26 Petr Mikulik <mikulik@physics.muni.cz>
* src/history.c (write_history_list): Indexing istart from 1 otherwise
"history" command (without arguments) does not work.
2009-03-25 Ethan A Merritt <merritt@u.washington.edu>
* config/config.cyg config/config.dj2 config/config.mgw config/config.nt
config/config.os2 config/config.oww config/config.wc configure.in
src/datafile.c src/gplt_x11.c src/gplt_x11.h src/gp_types.h
src/graph3d.c src/graph3d.h src/graphics.c src/graphics.h src/misc.c
src/misc.h src/plot2d.c src/plot3d.c src/pm3d.c src/save.c src/show.c
src/tables.c src/term_api.h src/wxterminal/gp_cairo.c
src/wxterminal/gp_cairo.h src/wxterminal/wxt_gui.cpp
src/wxterminal/wxt_gui.h src/wxterminal/wxt_term.h term/aquaterm.trm
term/cairo.trm term/canvas.trm term/dumb.trm term/emf.trm
term/estimate.trm term/fig.trm term/gd.trm term/lua.trm term/pdf.trm
term/pm.trm term/post.trm term/pslatex.trm term/README term/svg.trm
term/win.trm term/wxt.trm term/x11.trm term/xlib.trm
Remove the conditional compilation status of WITH_IMAGE.
As Lucas Hart points out, for some while now it has not been possible to
successfully build with ./configure --disable-with-image
'show version long' will continue to report +IMAGE
2009-03-24 Ethan A Merritt <merritt@u.washington.edu>
* term/js/canvasmath.js: Fill in most of the iso 8859-1 (Latin-1)
character set and add a few more math symbols.
2009-03-24 Petr Mikulik <mikulik@physics.muni.cz>
* src/pm3d.c (pm3d_plot): The quadrangles are only prepared but not
drawn by this routine in pm3d depthorder mode, thus set_color() should
not be called.
2009-03-20 Ethan A Merritt <merritt@u.washington.edu>
* src/canvas.trm: set term canvas title "foo" sets the title of the
resulting HTML output document.
2009-03-18 Ethan A Merritt <merritt@u.washington.edu>
* src/wxterminal/gp_cairo.c (gp_cairo_draw_text): Determine the vertical
placement of text based on the average value found when the font was
selected, rather than on the specific height of this text fragment.
Otherwise successive fragments with different height produce an uneven
baseline. Bug #2661664
2009-03-14 Shigeharu Takeno <shige@iee.niit.ac.jp>
* docs/gnuplot-ja.doc docs/term-ja.diff docs/README.ja man/gnuplot-ja.1:
Sync Japanese documentation to gnuplot.doc rev 1.562
2009-03-14 Ethan A Merritt <merritt@u.washington.edu>
* configure.in: Explicitly include $LUA_CFLAGS as reported by pkgconfig.
Bug #2637549
* src/axis.c (make_tics): Trap case where there were insufficient data
to determine axis range. E.g. "set view map; set pm3d; splot {0,1};".
2009-03-12 Ethan A Merritt <merritt@u.washington.edu>
* src/fit.c (fit_command): Replace bogus initialization of dummy_token[]
with explicit declaration. Bug #2657599
* src/datafile.c (df_set_key_columnhead) src/datafile.h src/plot2d.c
src/plot3d.c docs/gnuplot.doc demo/datastrings.dem demo/histograms.dem
demo/histograms2.dem:
Document the plot option "... title columnhead{(N)}"
Move the point where this option is parsed from df_open() to
eval_{3d}plots() with the rest of the title options, using a callback
to a new routine df_set_key_columnhead(). Deprecate the original form
of the command, "using N title N", which was undocumented but used in
several demos. The deprecated syntax is still accepted if configured
with --enable-backwards-compatibility.
2009-03-11 Ethan A Merritt <merritt@u.washington.edu>
* src/graph3d.c: Bracket the code that draws 3D grid lines with calls to
term->layer(TERM_LAYER_BEGIN_GRID) and term->layer(TERM_LAYER_END_GRID).
* term/js/gnuplot_mouse.css term/js/prevzoom.png term/js/nexzoom.png
term/js/help.png: Additional icons for the canvas driver.
* src/graph3d.c (do_3dplot): Define the clipping area in 3D plots to lie
between the left-most and right-most graph box edges. This is a change!
The intent is to allow the canvas terminal to use the plot's BoundingBox
as a zoom region. If it causes problems for other terminals, we will
need to create and use a separate BoundingBox for this purpose.
2009-03-05 Ethan A Merritt <merritt@u.washington.edu>
* src/graphics.c: Fix assignment of fill patterns to plot boxes and key
for columnstacked histograms. Bug #2664732
2009-03-04 Ethan A Merritt <merritt@u.washington.edu>
* src/graphics.c (find_maxl_keys do_plot): The first entry in a list of
labels is a placeholder for style information. Do not reserve space for
this entry in the key of a columnstacked histogram plot. Bug #2664723
2009-03-03 Ethan A Merritt <merritt@u.washington.edu>
* configure.in: Use AC_SEARCH_LIBS rather than AC_CHECK_LIB when
checking for lua support. This allows for the library to be named
something other than liblua.so.
Bug #2637549
2009-03-02 Ethan A Merritt <merritt@u.washington.edu>
* term/hpgl.trm term/tgif.trm term/gd.trm src/graphics.c:
Fix dereference of uninitialized memory, overlapping memcpy, and
other problems found by valgrind.
2009-03-02 Petr Mikulik <mikulik@physics.muni.cz>
* term/post.trm (PS_encode_image print_five_operand_image): Fix
related to the patch of post.trm from 2009-01-26: images drawn
"with rgbimage" must always be drawn as rgb colour images.
SF Patch #2613919: postscript outputs colour RGB as palette image
2009-02-28 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.term: "set term canvas {linwidth <lw>}"
2009-02-28 James R. Van Zandt <jrvz@comcast.net>
* src/fit.c (fit_command): Allow fitting functions with up to five
independent variables. If there is no data to fit, report how
many data lines were rejected by each range spec. In fit.log,
report user-specified dummy variable names and all range
restrictions (including Z).
* demo/fit.dem: revise printed comments to show the fit commands.
Demonstrate fitting a function with three independent variables.
2009-02-27 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.trm: Introduce a structure canvas_state to hold internal
state variables. This allows us to avoid redundant writes of the
current color, linewidth, fill settings. The size of image and filled
curve plots is substantially reduced.
* src/graphics.c (plot_image_or_update_axes):
The flag "rectangular_image" doesn't really indicate what it says.
Fix that so we can use it to call term->fillbox() rather than
term->filled_polygon() as appropriate in image plots.
This makes a significant difference for the canvas terminal, because
drawing a filled rectangle is a primitive operation, whereas filling
a polygon is a relatively verbose sequence of instructions.
2009-02-25 Ethan A Merritt <merritt@u.washington.edu>
* term/gd.trm (PNG_text_angle): Force angle to fall in the range
[-pi/2 : pi/2]. Reported to avoid problems in some versions of libgd.
2009-02-23 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.trm: Introduce helper routines bp() and cfp() into the
javascript output file. This reduces the file size of plots containing
lots of filled polygons, e.g. images or 3D surfaces, by about 1/3.
2009-02-22 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.trm: Add support for enhanced text mode.
* term/js/canvasmath.js:
Resize glyphs for - + / Ã so that they are all width 20 (same as 0-9).
Resize glyph = to width 24 (same as < > ~).
2009-02-22 Benjamin Lindner <lindnerb@users.sourceforge.net>
* src/mouse.c: Fix broken FPRINTF debugging statements.
2009-02-21 Ethan A Merritt <merritt@u.washington.edu>
* term/canvas.trm: Specify UTF-8 encoding in HTML header.
* term/js/canvasmath.js: This is a plug-in replacement for Jim Studt's
original canvastext.js, supplemented with additional character glyphs
from the Hershey font set including Greek letters and various math
symbols. The additional glyphs are all indexed by their Unicode code
points. If embedded in a UTF-8 document, everything works as it should.