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<div id="projectname">Leptonica <span id="projectnumber">1.68</span></div>
<div id="projectbrief">C Image Processing Library</div>
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<h1>boxbasic.c</h1> </div>
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<div class="contents">
<a href="boxbasic_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*====================================================================*</span>
<a name="l00002"></a>00002 <span class="comment"> - Copyright (C) 2001 Leptonica. All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment"> - This software is distributed in the hope that it will be</span>
<a name="l00004"></a>00004 <span class="comment"> - useful, but with NO WARRANTY OF ANY KIND.</span>
<a name="l00005"></a>00005 <span class="comment"> - No author or distributor accepts responsibility to anyone for the</span>
<a name="l00006"></a>00006 <span class="comment"> - consequences of using this software, or for whether it serves any</span>
<a name="l00007"></a>00007 <span class="comment"> - particular purpose or works at all, unless he or she says so in</span>
<a name="l00008"></a>00008 <span class="comment"> - writing. Everyone is granted permission to copy, modify and</span>
<a name="l00009"></a>00009 <span class="comment"> - redistribute this source code, for commercial or non-commercial</span>
<a name="l00010"></a>00010 <span class="comment"> - purposes, with the following restrictions: (1) the origin of this</span>
<a name="l00011"></a>00011 <span class="comment"> - source code must not be misrepresented; (2) modified versions must</span>
<a name="l00012"></a>00012 <span class="comment"> - be plainly marked as such; and (3) this notice may not be removed</span>
<a name="l00013"></a>00013 <span class="comment"> - or altered from any source or modified source distribution.</span>
<a name="l00014"></a>00014 <span class="comment"> *====================================================================*/</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="comment">/*</span>
<a name="l00017"></a>00017 <span class="comment"> * boxbasic.c</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> * Basic 'class' functions for box, boxa and boxaa,</span>
<a name="l00020"></a>00020 <span class="comment"> * including accessors and serialization.</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> * Box creation, copy, clone, destruction</span>
<a name="l00023"></a>00023 <span class="comment"> * BOX *boxCreate()</span>
<a name="l00024"></a>00024 <span class="comment"> * BOX *boxCreateValid()</span>
<a name="l00025"></a>00025 <span class="comment"> * BOX *boxCopy()</span>
<a name="l00026"></a>00026 <span class="comment"> * BOX *boxClone()</span>
<a name="l00027"></a>00027 <span class="comment"> * void boxDestroy()</span>
<a name="l00028"></a>00028 <span class="comment"> *</span>
<a name="l00029"></a>00029 <span class="comment"> * Box accessors</span>
<a name="l00030"></a>00030 <span class="comment"> * l_int32 boxGetGeometry()</span>
<a name="l00031"></a>00031 <span class="comment"> * l_int32 boxSetGeometry()</span>
<a name="l00032"></a>00032 <span class="comment"> * l_int32 boxGetRefcount()</span>
<a name="l00033"></a>00033 <span class="comment"> * l_int32 boxChangeRefcount()</span>
<a name="l00034"></a>00034 <span class="comment"> *</span>
<a name="l00035"></a>00035 <span class="comment"> * Boxa creation, copy, destruction</span>
<a name="l00036"></a>00036 <span class="comment"> * BOXA *boxaCreate()</span>
<a name="l00037"></a>00037 <span class="comment"> * BOXA *boxaCopy()</span>
<a name="l00038"></a>00038 <span class="comment"> * void boxaDestroy()</span>
<a name="l00039"></a>00039 <span class="comment"> *</span>
<a name="l00040"></a>00040 <span class="comment"> * Boxa array extension</span>
<a name="l00041"></a>00041 <span class="comment"> * l_int32 boxaAddBox()</span>
<a name="l00042"></a>00042 <span class="comment"> * l_int32 boxaExtendArray()</span>
<a name="l00043"></a>00043 <span class="comment"> * l_int32 boxaExtendArrayToSize()</span>
<a name="l00044"></a>00044 <span class="comment"> *</span>
<a name="l00045"></a>00045 <span class="comment"> * Boxa accessors</span>
<a name="l00046"></a>00046 <span class="comment"> * l_int32 boxaGetCount()</span>
<a name="l00047"></a>00047 <span class="comment"> * l_int32 boxaGetValidCount()</span>
<a name="l00048"></a>00048 <span class="comment"> * BOX *boxaGetBox()</span>
<a name="l00049"></a>00049 <span class="comment"> * BOX *boxaGetValidBox()</span>
<a name="l00050"></a>00050 <span class="comment"> * l_int32 boxaGetBoxGeometry()</span>
<a name="l00051"></a>00051 <span class="comment"> *</span>
<a name="l00052"></a>00052 <span class="comment"> * Boxa array modifiers</span>
<a name="l00053"></a>00053 <span class="comment"> * l_int32 boxaReplaceBox()</span>
<a name="l00054"></a>00054 <span class="comment"> * l_int32 boxaInsertBox()</span>
<a name="l00055"></a>00055 <span class="comment"> * l_int32 boxaRemoveBox()</span>
<a name="l00056"></a>00056 <span class="comment"> * l_int32 boxaInitFull()</span>
<a name="l00057"></a>00057 <span class="comment"> * l_int32 boxaClear()</span>
<a name="l00058"></a>00058 <span class="comment"> *</span>
<a name="l00059"></a>00059 <span class="comment"> * Boxaa creation, copy, destruction</span>
<a name="l00060"></a>00060 <span class="comment"> * BOXAA *boxaaCreate()</span>
<a name="l00061"></a>00061 <span class="comment"> * BOXAA *boxaaCopy()</span>
<a name="l00062"></a>00062 <span class="comment"> * void boxaaDestroy()</span>
<a name="l00063"></a>00063 <span class="comment"> *</span>
<a name="l00064"></a>00064 <span class="comment"> * Boxaa array extension</span>
<a name="l00065"></a>00065 <span class="comment"> * l_int32 boxaaAddBoxa()</span>
<a name="l00066"></a>00066 <span class="comment"> * l_int32 boxaaExtendArray()</span>
<a name="l00067"></a>00067 <span class="comment"> *</span>
<a name="l00068"></a>00068 <span class="comment"> * Boxaa accessors</span>
<a name="l00069"></a>00069 <span class="comment"> * l_int32 boxaaGetCount()</span>
<a name="l00070"></a>00070 <span class="comment"> * l_int32 boxaaGetBoxCount()</span>
<a name="l00071"></a>00071 <span class="comment"> * BOXA *boxaaGetBoxa()</span>
<a name="l00072"></a>00072 <span class="comment"> *</span>
<a name="l00073"></a>00073 <span class="comment"> * Boxa array modifiers</span>
<a name="l00074"></a>00074 <span class="comment"> * l_int32 boxaaReplaceBoxa()</span>
<a name="l00075"></a>00075 <span class="comment"> * l_int32 boxaaInsertBoxa()</span>
<a name="l00076"></a>00076 <span class="comment"> * l_int32 boxaaRemoveBoxa()</span>
<a name="l00077"></a>00077 <span class="comment"> * l_int32 boxaaAddBox()</span>
<a name="l00078"></a>00078 <span class="comment"> *</span>
<a name="l00079"></a>00079 <span class="comment"> * Boxaa serialized I/O</span>
<a name="l00080"></a>00080 <span class="comment"> * BOXAA *boxaaRead()</span>
<a name="l00081"></a>00081 <span class="comment"> * BOXAA *boxaaReadStream()</span>
<a name="l00082"></a>00082 <span class="comment"> * l_int32 boxaaWrite()</span>
<a name="l00083"></a>00083 <span class="comment"> * l_int32 boxaaWriteStream()</span>
<a name="l00084"></a>00084 <span class="comment"> *</span>
<a name="l00085"></a>00085 <span class="comment"> * Boxa serialized I/O</span>
<a name="l00086"></a>00086 <span class="comment"> * BOXA *boxaRead()</span>
<a name="l00087"></a>00087 <span class="comment"> * BOXA *boxaReadStream()</span>
<a name="l00088"></a>00088 <span class="comment"> * l_int32 boxaWrite()</span>
<a name="l00089"></a>00089 <span class="comment"> * l_int32 boxaWriteStream()</span>
<a name="l00090"></a>00090 <span class="comment"> *</span>
<a name="l00091"></a>00091 <span class="comment"> * Box print (for debug)</span>
<a name="l00092"></a>00092 <span class="comment"> * l_int32 boxPrintStreamInfo()</span>
<a name="l00093"></a>00093 <span class="comment"> *</span>
<a name="l00094"></a>00094 <span class="comment"> * Most functions use only valid boxes, which are boxes that have both</span>
<a name="l00095"></a>00095 <span class="comment"> * width and height > 0. However, a few functions, such as</span>
<a name="l00096"></a>00096 <span class="comment"> * boxaGetMedian() do not assume that all boxes are valid. For any</span>
<a name="l00097"></a>00097 <span class="comment"> * function that can use a boxa with invalid boxes, it is convenient </span>
<a name="l00098"></a>00098 <span class="comment"> * to use these accessors:</span>
<a name="l00099"></a>00099 <span class="comment"> * boxaGetValidCount() : count of valid boxes</span>
<a name="l00100"></a>00100 <span class="comment"> * boxaGetValidBox() : returns NULL for invalid boxes</span>
<a name="l00101"></a>00101 <span class="comment"> */</span>
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="preprocessor">#include <string.h></span>
<a name="l00104"></a>00104 <span class="preprocessor">#include "<a class="code" href="allheaders_8h.html" title="Includes all required Leptonica header files.">allheaders.h</a>"</span>
<a name="l00105"></a>00105
<a name="l00106"></a><a class="code" href="boxbasic_8c.html#ac221c562f5abb618ff034118aaf3c4a1">00106</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="boxbasic_8c.html#ac221c562f5abb618ff034118aaf3c4a1">INITIAL_PTR_ARRAYSIZE</a> = 20; <span class="comment">/* n'import quoi */</span>
<a name="l00107"></a>00107
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">/*---------------------------------------------------------------------*</span>
<a name="l00110"></a>00110 <span class="comment"> * Box creation, destruction and copy *</span>
<a name="l00111"></a>00111 <span class="comment"> *---------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00112"></a>00112 <span class="comment">/*!</span>
<a name="l00113"></a>00113 <span class="comment"> * boxCreate()</span>
<a name="l00114"></a>00114 <span class="comment"> *</span>
<a name="l00115"></a>00115 <span class="comment"> * Input: x, y, w, h</span>
<a name="l00116"></a>00116 <span class="comment"> * Return: box, or null on error</span>
<a name="l00117"></a>00117 <span class="comment"> *</span>
<a name="l00118"></a>00118 <span class="comment"> * Notes:</span>
<a name="l00119"></a>00119 <span class="comment"> * (1) This clips the box to the +quad. If no part of the</span>
<a name="l00120"></a>00120 <span class="comment"> * box is in the +quad, this returns NULL.</span>
<a name="l00121"></a>00121 <span class="comment"> * (2) We allow you to make a box with w = 0 and/or h = 0.</span>
<a name="l00122"></a>00122 <span class="comment"> * This does not represent a valid region, but it is useful</span>
<a name="l00123"></a>00123 <span class="comment"> * as a placeholder in a boxa for which the index of the</span>
<a name="l00124"></a>00124 <span class="comment"> * box in the boxa is important. This is an atypical</span>
<a name="l00125"></a>00125 <span class="comment"> * situation; usually you want to put only valid boxes with</span>
<a name="l00126"></a>00126 <span class="comment"> * nonzero width and height in a boxa. If you have a boxa</span>
<a name="l00127"></a>00127 <span class="comment"> * with invalid boxes, the accessor boxaGetValidBox()</span>
<a name="l00128"></a>00128 <span class="comment"> * will return NULL on each invalid box.</span>
<a name="l00129"></a>00129 <span class="comment"> * (3) If you want to create only valid boxes, use boxCreateValid(),</span>
<a name="l00130"></a>00130 <span class="comment"> * which returns NULL if either w or h is 0.</span>
<a name="l00131"></a>00131 <span class="comment"> */</span>
<a name="l00132"></a>00132 <a class="code" href="struct_box.html">BOX</a> *
<a name="l00133"></a><a class="code" href="leptprotos_8h.html#a2b6485ff1d7b2d3b43cc4a19866b02de">00133</a> <a class="code" href="boxbasic_8c.html#ad846c5f00e3aaed3dd4329347acac89d">boxCreate</a>(<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> x,
<a name="l00134"></a>00134 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> y,
<a name="l00135"></a>00135 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> w,
<a name="l00136"></a>00136 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> h)
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <a class="code" href="struct_box.html">BOX</a> *box;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxCreate"</span>);
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordflow">if</span> (w < 0 || h < 0)
<a name="l00143"></a>00143 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"w and h not both >= 0"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00144"></a>00144 <span class="keywordflow">if</span> (x < 0) { <span class="comment">/* take part in +quad */</span>
<a name="l00145"></a>00145 w = w + x;
<a name="l00146"></a>00146 x = 0;
<a name="l00147"></a>00147 <span class="keywordflow">if</span> (w <= 0)
<a name="l00148"></a>00148 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"x < 0 and box off +quad"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (y < 0) { <span class="comment">/* take part in +quad */</span>
<a name="l00151"></a>00151 h = h + y;
<a name="l00152"></a>00152 y = 0;
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (h <= 0)
<a name="l00154"></a>00154 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"y < 0 and box off +quad"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keywordflow">if</span> ((box = (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#abc24891c647be0bd23e233d013175da0">CALLOC</a>(1, <span class="keyword">sizeof</span>(<a class="code" href="struct_box.html">BOX</a>))) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00158"></a>00158 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"box not made"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00159"></a>00159 <a class="code" href="boxbasic_8c.html#a3b0b015b49fbfee69081cc0497fdf521">boxSetGeometry</a>(box, x, y, w, h);
<a name="l00160"></a>00160 box-><a class="code" href="struct_box.html#a3715ae7a2796f0548250b754557edbf3">refcount</a> = 1;
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="keywordflow">return</span> box;
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="comment"></span>
<a name="l00166"></a>00166 <span class="comment">/*!</span>
<a name="l00167"></a>00167 <span class="comment"> * boxCreateValid()</span>
<a name="l00168"></a>00168 <span class="comment"> *</span>
<a name="l00169"></a>00169 <span class="comment"> * Input: x, y, w, h</span>
<a name="l00170"></a>00170 <span class="comment"> * Return: box, or null on error</span>
<a name="l00171"></a>00171 <span class="comment"> *</span>
<a name="l00172"></a>00172 <span class="comment"> * Notes:</span>
<a name="l00173"></a>00173 <span class="comment"> * (1) This returns NULL if either w = 0 or h = 0.</span>
<a name="l00174"></a>00174 <span class="comment"> */</span>
<a name="l00175"></a>00175 <a class="code" href="struct_box.html">BOX</a> *
<a name="l00176"></a><a class="code" href="leptprotos_8h.html#aa38c50dbc9802cb357ab31cd9f3aaa0c">00176</a> <a class="code" href="boxbasic_8c.html#a435610d86a8562dc60bfd75fe0a15420">boxCreateValid</a>(<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> x,
<a name="l00177"></a>00177 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> y,
<a name="l00178"></a>00178 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> w,
<a name="l00179"></a>00179 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> h)
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxCreateValid"</span>);
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="keywordflow">if</span> (w <= 0 || h <= 0)
<a name="l00184"></a>00184 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"w and h not both > 0"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00185"></a>00185 <span class="keywordflow">return</span> <a class="code" href="boxbasic_8c.html#ad846c5f00e3aaed3dd4329347acac89d">boxCreate</a>(x, y, w, h);
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="comment"></span>
<a name="l00189"></a>00189 <span class="comment">/*!</span>
<a name="l00190"></a>00190 <span class="comment"> * boxCopy()</span>
<a name="l00191"></a>00191 <span class="comment"> *</span>
<a name="l00192"></a>00192 <span class="comment"> * Input: box</span>
<a name="l00193"></a>00193 <span class="comment"> * Return: copy of box, or null on error</span>
<a name="l00194"></a>00194 <span class="comment"> */</span>
<a name="l00195"></a>00195 <a class="code" href="struct_box.html">BOX</a> *
<a name="l00196"></a><a class="code" href="leptprotos_8h.html#ab3225a058d1189b689f054472966b809">00196</a> <a class="code" href="boxbasic_8c.html#acc17644b13ceea936b0449c9ac2ccda9">boxCopy</a>(<a class="code" href="struct_box.html">BOX</a> *box)
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 <a class="code" href="struct_box.html">BOX</a> *boxc;
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxCopy"</span>);
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="keywordflow">if</span> (!box)
<a name="l00203"></a>00203 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"box not defined"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00204"></a>00204
<a name="l00205"></a>00205 boxc = <a class="code" href="boxbasic_8c.html#ad846c5f00e3aaed3dd4329347acac89d">boxCreate</a>(box-><a class="code" href="struct_box.html#a918a321b665118b5f33c49a6c5e0d915">x</a>, box-><a class="code" href="struct_box.html#a80f9dfc594b303c4a45c2d74c9186177">y</a>, box-><a class="code" href="struct_box.html#a9fbf76549616b28f2cf2cdaadc36e873">w</a>, box-><a class="code" href="struct_box.html#aa5401403bdb02ce4d66c5d6e108a3019">h</a>);
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordflow">return</span> boxc;
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="comment"></span>
<a name="l00211"></a>00211 <span class="comment">/*!</span>
<a name="l00212"></a>00212 <span class="comment"> * boxClone()</span>
<a name="l00213"></a>00213 <span class="comment"> *</span>
<a name="l00214"></a>00214 <span class="comment"> * Input: box</span>
<a name="l00215"></a>00215 <span class="comment"> * Return: ptr to same box, or null on error</span>
<a name="l00216"></a>00216 <span class="comment"> */</span>
<a name="l00217"></a>00217 <a class="code" href="struct_box.html">BOX</a> *
<a name="l00218"></a><a class="code" href="leptprotos_8h.html#a511ac3ea2845e79e9f593a0c38c20eb9">00218</a> <a class="code" href="boxbasic_8c.html#a74134cc9f9357b328689cc74ab0b68aa">boxClone</a>(<a class="code" href="struct_box.html">BOX</a> *box)
<a name="l00219"></a>00219 {
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxClone"</span>);
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <span class="keywordflow">if</span> (!box)
<a name="l00224"></a>00224 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"box not defined"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <a class="code" href="boxbasic_8c.html#ab8ddf24b678cb17b22430b26a048970c">boxChangeRefcount</a>(box, 1);
<a name="l00227"></a>00227 <span class="keywordflow">return</span> box;
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <span class="comment"></span>
<a name="l00231"></a>00231 <span class="comment">/*!</span>
<a name="l00232"></a>00232 <span class="comment"> * boxDestroy()</span>
<a name="l00233"></a>00233 <span class="comment"> *</span>
<a name="l00234"></a>00234 <span class="comment"> * Input: &box (<will be set to null before returning>)</span>
<a name="l00235"></a>00235 <span class="comment"> * Return: void</span>
<a name="l00236"></a>00236 <span class="comment"> *</span>
<a name="l00237"></a>00237 <span class="comment"> * Notes:</span>
<a name="l00238"></a>00238 <span class="comment"> * (1) Decrements the ref count and, if 0, destroys the box.</span>
<a name="l00239"></a>00239 <span class="comment"> * (2) Always nulls the input ptr.</span>
<a name="l00240"></a>00240 <span class="comment"> */</span>
<a name="l00241"></a>00241 <span class="keywordtype">void</span>
<a name="l00242"></a><a class="code" href="leptprotos_8h.html#a27b5a2b24041e1e92ba440095659d104">00242</a> <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(<a class="code" href="struct_box.html">BOX</a> **pbox)
<a name="l00243"></a>00243 {
<a name="l00244"></a>00244 <a class="code" href="struct_box.html">BOX</a> *box;
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxDestroy"</span>);
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="keywordflow">if</span> (pbox == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00249"></a>00249 <a class="code" href="environ_8h.html#a80ea4add6888dc55f0f6af9c488f1f21">L_WARNING</a>(<span class="stringliteral">"ptr address is null!"</span>, procName);
<a name="l00250"></a>00250 <span class="keywordflow">return</span>;
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 <span class="keywordflow">if</span> ((box = *pbox) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00253"></a>00253 <span class="keywordflow">return</span>;
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <a class="code" href="boxbasic_8c.html#ab8ddf24b678cb17b22430b26a048970c">boxChangeRefcount</a>(box, -1);
<a name="l00256"></a>00256 <span class="keywordflow">if</span> (<a class="code" href="boxbasic_8c.html#ad6ac93e467ebcd6f0cdf6f1487775a57">boxGetRefcount</a>(box) <= 0)
<a name="l00257"></a>00257 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(box);
<a name="l00258"></a>00258 *pbox = <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00259"></a>00259 <span class="keywordflow">return</span>;
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="comment">/*---------------------------------------------------------------------*</span>
<a name="l00264"></a>00264 <span class="comment"> * Box accessors *</span>
<a name="l00265"></a>00265 <span class="comment"> *---------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00266"></a>00266 <span class="comment">/*!</span>
<a name="l00267"></a>00267 <span class="comment"> * boxGetGeometry()</span>
<a name="l00268"></a>00268 <span class="comment"> *</span>
<a name="l00269"></a>00269 <span class="comment"> * Input: box</span>
<a name="l00270"></a>00270 <span class="comment"> * &x, &y, &w, &h (<optional return>; each can be null)</span>
<a name="l00271"></a>00271 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00272"></a>00272 <span class="comment"> */</span>
<a name="l00273"></a>00273 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00274"></a><a class="code" href="leptprotos_8h.html#a7d835075ab9bb519fce027709e15d970">00274</a> <a class="code" href="boxbasic_8c.html#aaf754e00c062c3f0f726bea73a17e646">boxGetGeometry</a>(<a class="code" href="struct_box.html">BOX</a> *box,
<a name="l00275"></a>00275 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *px,
<a name="l00276"></a>00276 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *py,
<a name="l00277"></a>00277 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pw,
<a name="l00278"></a>00278 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *ph)
<a name="l00279"></a>00279 {
<a name="l00280"></a>00280 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxGetGeometry"</span>);
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="keywordflow">if</span> (px) *px = 0;
<a name="l00283"></a>00283 <span class="keywordflow">if</span> (py) *py = 0;
<a name="l00284"></a>00284 <span class="keywordflow">if</span> (pw) *pw = 0;
<a name="l00285"></a>00285 <span class="keywordflow">if</span> (ph) *ph = 0;
<a name="l00286"></a>00286 <span class="keywordflow">if</span> (!box)
<a name="l00287"></a>00287 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"box not defined"</span>, procName, 1);
<a name="l00288"></a>00288 <span class="keywordflow">if</span> (px) *px = box-><a class="code" href="struct_box.html#a918a321b665118b5f33c49a6c5e0d915">x</a>;
<a name="l00289"></a>00289 <span class="keywordflow">if</span> (py) *py = box-><a class="code" href="struct_box.html#a80f9dfc594b303c4a45c2d74c9186177">y</a>;
<a name="l00290"></a>00290 <span class="keywordflow">if</span> (pw) *pw = box-><a class="code" href="struct_box.html#a9fbf76549616b28f2cf2cdaadc36e873">w</a>;
<a name="l00291"></a>00291 <span class="keywordflow">if</span> (ph) *ph = box-><a class="code" href="struct_box.html#aa5401403bdb02ce4d66c5d6e108a3019">h</a>;
<a name="l00292"></a>00292 <span class="keywordflow">return</span> 0;
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <span class="comment"></span>
<a name="l00296"></a>00296 <span class="comment">/*!</span>
<a name="l00297"></a>00297 <span class="comment"> * boxSetGeometry()</span>
<a name="l00298"></a>00298 <span class="comment"> *</span>
<a name="l00299"></a>00299 <span class="comment"> * Input: box</span>
<a name="l00300"></a>00300 <span class="comment"> * x, y, w, h (use -1 to leave unchanged)</span>
<a name="l00301"></a>00301 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00302"></a>00302 <span class="comment"> */</span>
<a name="l00303"></a>00303 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00304"></a><a class="code" href="leptprotos_8h.html#a5e27cf6684362d78f2edc2e063c7ca32">00304</a> <a class="code" href="boxbasic_8c.html#a3b0b015b49fbfee69081cc0497fdf521">boxSetGeometry</a>(<a class="code" href="struct_box.html">BOX</a> *box,
<a name="l00305"></a>00305 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> x,
<a name="l00306"></a>00306 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> y,
<a name="l00307"></a>00307 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> w,
<a name="l00308"></a>00308 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> h)
<a name="l00309"></a>00309 {
<a name="l00310"></a>00310 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxSetGeometry"</span>);
<a name="l00311"></a>00311
<a name="l00312"></a>00312 <span class="keywordflow">if</span> (!box)
<a name="l00313"></a>00313 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"box not defined"</span>, procName, 1);
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (x != -1) box-><a class="code" href="struct_box.html#a918a321b665118b5f33c49a6c5e0d915">x</a> = x;
<a name="l00315"></a>00315 <span class="keywordflow">if</span> (y != -1) box-><a class="code" href="struct_box.html#a80f9dfc594b303c4a45c2d74c9186177">y</a> = y;
<a name="l00316"></a>00316 <span class="keywordflow">if</span> (w != -1) box-><a class="code" href="struct_box.html#a9fbf76549616b28f2cf2cdaadc36e873">w</a> = w;
<a name="l00317"></a>00317 <span class="keywordflow">if</span> (h != -1) box-><a class="code" href="struct_box.html#aa5401403bdb02ce4d66c5d6e108a3019">h</a> = h;
<a name="l00318"></a>00318 <span class="keywordflow">return</span> 0;
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00323"></a><a class="code" href="leptprotos_8h.html#afc103da31434b839ddca25cbd96da523">00323</a> <a class="code" href="boxbasic_8c.html#ad6ac93e467ebcd6f0cdf6f1487775a57">boxGetRefcount</a>(<a class="code" href="struct_box.html">BOX</a> *box)
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxGetRefcount"</span>);
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="keywordflow">if</span> (!box)
<a name="l00328"></a>00328 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"box not defined"</span>, procName, <a class="code" href="environ_8h.html#abde25a67f4046530ae1c572cefeb5869">UNDEF</a>);
<a name="l00329"></a>00329
<a name="l00330"></a>00330 <span class="keywordflow">return</span> box-><a class="code" href="struct_box.html#a3715ae7a2796f0548250b754557edbf3">refcount</a>;
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00335"></a><a class="code" href="leptprotos_8h.html#a7848b3f85f470f29b41276b4d03783e3">00335</a> <a class="code" href="boxbasic_8c.html#ab8ddf24b678cb17b22430b26a048970c">boxChangeRefcount</a>(<a class="code" href="struct_box.html">BOX</a> *box,
<a name="l00336"></a>00336 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> delta)
<a name="l00337"></a>00337 {
<a name="l00338"></a>00338 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxChangeRefcount"</span>);
<a name="l00339"></a>00339
<a name="l00340"></a>00340 <span class="keywordflow">if</span> (!box)
<a name="l00341"></a>00341 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"box not defined"</span>, procName, 1);
<a name="l00342"></a>00342
<a name="l00343"></a>00343 box-><a class="code" href="struct_box.html#a3715ae7a2796f0548250b754557edbf3">refcount</a> += delta;
<a name="l00344"></a>00344 <span class="keywordflow">return</span> 0;
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346
<a name="l00347"></a>00347
<a name="l00348"></a>00348 <span class="comment">/*---------------------------------------------------------------------*</span>
<a name="l00349"></a>00349 <span class="comment"> * Boxa creation, destruction, copy, extension *</span>
<a name="l00350"></a>00350 <span class="comment"> *---------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00351"></a>00351 <span class="comment">/*!</span>
<a name="l00352"></a>00352 <span class="comment"> * boxaCreate()</span>
<a name="l00353"></a>00353 <span class="comment"> *</span>
<a name="l00354"></a>00354 <span class="comment"> * Input: n (initial number of ptrs)</span>
<a name="l00355"></a>00355 <span class="comment"> * Return: boxa, or null on error</span>
<a name="l00356"></a>00356 <span class="comment"> */</span>
<a name="l00357"></a>00357 <a class="code" href="struct_boxa.html">BOXA</a> *
<a name="l00358"></a><a class="code" href="leptprotos_8h.html#a8efa7f84f89504721305f5082bef7562">00358</a> <a class="code" href="boxbasic_8c.html#ae59916b7506831be9bf2119dea063253">boxaCreate</a>(<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> n)
<a name="l00359"></a>00359 {
<a name="l00360"></a>00360 <a class="code" href="struct_boxa.html">BOXA</a> *boxa;
<a name="l00361"></a>00361
<a name="l00362"></a>00362 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaCreate"</span>);
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="keywordflow">if</span> (n <= 0)
<a name="l00365"></a>00365 n = <a class="code" href="boxbasic_8c.html#ac221c562f5abb618ff034118aaf3c4a1">INITIAL_PTR_ARRAYSIZE</a>;
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="keywordflow">if</span> ((boxa = (<a class="code" href="struct_boxa.html">BOXA</a> *)<a class="code" href="environ_8h.html#abc24891c647be0bd23e233d013175da0">CALLOC</a>(1, <span class="keyword">sizeof</span>(<a class="code" href="struct_boxa.html">BOXA</a>))) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00368"></a>00368 <span class="keywordflow">return</span> (<a class="code" href="struct_boxa.html">BOXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"boxa not made"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00369"></a>00369 boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a> = 0;
<a name="l00370"></a>00370 boxa-><a class="code" href="struct_boxa.html#a0908fc564ffb00d0eef183f3e2201527">nalloc</a> = n;
<a name="l00371"></a>00371 boxa-><a class="code" href="struct_boxa.html#a09fc5086249c1569296a903a176adacc">refcount</a> = 1;
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="keywordflow">if</span> ((boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a> = (<a class="code" href="struct_box.html">BOX</a> **)<a class="code" href="environ_8h.html#abc24891c647be0bd23e233d013175da0">CALLOC</a>(n, <span class="keyword">sizeof</span>(<a class="code" href="struct_box.html">BOX</a> *))) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00374"></a>00374 <span class="keywordflow">return</span> (<a class="code" href="struct_boxa.html">BOXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"boxa ptrs not made"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="keywordflow">return</span> boxa;
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378
<a name="l00379"></a>00379 <span class="comment"></span>
<a name="l00380"></a>00380 <span class="comment">/*!</span>
<a name="l00381"></a>00381 <span class="comment"> * boxaCopy()</span>
<a name="l00382"></a>00382 <span class="comment"> *</span>
<a name="l00383"></a>00383 <span class="comment"> * Input: boxa</span>
<a name="l00384"></a>00384 <span class="comment"> * copyflag (L_COPY, L_CLONE, L_COPY_CLONE)</span>
<a name="l00385"></a>00385 <span class="comment"> * Return: new boxa, or null on error</span>
<a name="l00386"></a>00386 <span class="comment"> *</span>
<a name="l00387"></a>00387 <span class="comment"> * Notes:</span>
<a name="l00388"></a>00388 <span class="comment"> * (1) See pix.h for description of the copyflag.</span>
<a name="l00389"></a>00389 <span class="comment"> * (2) The copy-clone makes a new boxa that holds clones of each box.</span>
<a name="l00390"></a>00390 <span class="comment"> */</span>
<a name="l00391"></a>00391 <a class="code" href="struct_boxa.html">BOXA</a> *
<a name="l00392"></a><a class="code" href="leptprotos_8h.html#a107391f3189bc5a8f34ef2d7b9892bf4">00392</a> <a class="code" href="boxbasic_8c.html#a349732f7df7a36717f20955ee48acec8">boxaCopy</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00393"></a>00393 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> copyflag)
<a name="l00394"></a>00394 {
<a name="l00395"></a>00395 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i;
<a name="l00396"></a>00396 <a class="code" href="struct_box.html">BOX</a> *boxc;
<a name="l00397"></a>00397 <a class="code" href="struct_boxa.html">BOXA</a> *boxac;
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaCopy"</span>);
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keywordflow">if</span> (!boxa)
<a name="l00402"></a>00402 <span class="keywordflow">return</span> (<a class="code" href="struct_boxa.html">BOXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"boxa not defined"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keywordflow">if</span> (copyflag == <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>) {
<a name="l00405"></a>00405 boxa-><a class="code" href="struct_boxa.html#a09fc5086249c1569296a903a176adacc">refcount</a>++;
<a name="l00406"></a>00406 <span class="keywordflow">return</span> boxa;
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408
<a name="l00409"></a>00409 <span class="keywordflow">if</span> (copyflag != <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa5d4fddf26f28ac80063028939562e17d">L_COPY</a> && copyflag != <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa8997423e19a44679c018acd211882f27">L_COPY_CLONE</a>)
<a name="l00410"></a>00410 <span class="keywordflow">return</span> (<a class="code" href="struct_boxa.html">BOXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"invalid copyflag"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00411"></a>00411
<a name="l00412"></a>00412 <span class="keywordflow">if</span> ((boxac = <a class="code" href="boxbasic_8c.html#ae59916b7506831be9bf2119dea063253">boxaCreate</a>(boxa-><a class="code" href="struct_boxa.html#a0908fc564ffb00d0eef183f3e2201527">nalloc</a>)) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00413"></a>00413 <span class="keywordflow">return</span> (<a class="code" href="struct_boxa.html">BOXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"boxac not made"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00414"></a>00414 <span class="keywordflow">for</span> (i = 0; i < boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a>; i++) {
<a name="l00415"></a>00415 <span class="keywordflow">if</span> (copyflag == <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa5d4fddf26f28ac80063028939562e17d">L_COPY</a>)
<a name="l00416"></a>00416 boxc = <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(boxa, i, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa5d4fddf26f28ac80063028939562e17d">L_COPY</a>);
<a name="l00417"></a>00417 <span class="keywordflow">else</span> <span class="comment">/* copy-clone */</span>
<a name="l00418"></a>00418 boxc = <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(boxa, i, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>);
<a name="l00419"></a>00419 <a class="code" href="boxbasic_8c.html#afcef37266188aa3a9939d486cd7de413">boxaAddBox</a>(boxac, boxc, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fac1bdfee98ef4dbb3637c7d329cc460a3">L_INSERT</a>);
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421 <span class="keywordflow">return</span> boxac;
<a name="l00422"></a>00422 }
<a name="l00423"></a>00423
<a name="l00424"></a>00424 <span class="comment"></span>
<a name="l00425"></a>00425 <span class="comment">/*!</span>
<a name="l00426"></a>00426 <span class="comment"> * boxaDestroy()</span>
<a name="l00427"></a>00427 <span class="comment"> *</span>
<a name="l00428"></a>00428 <span class="comment"> * Input: &boxa (<will be set to null before returning>)</span>
<a name="l00429"></a>00429 <span class="comment"> * Return: void</span>
<a name="l00430"></a>00430 <span class="comment"> *</span>
<a name="l00431"></a>00431 <span class="comment"> * Note:</span>
<a name="l00432"></a>00432 <span class="comment"> * - Decrements the ref count and, if 0, destroys the boxa.</span>
<a name="l00433"></a>00433 <span class="comment"> * - Always nulls the input ptr.</span>
<a name="l00434"></a>00434 <span class="comment"> */</span>
<a name="l00435"></a>00435 <span class="keywordtype">void</span>
<a name="l00436"></a><a class="code" href="leptprotos_8h.html#a1028db9d083a6df911b6430020915dea">00436</a> <a class="code" href="boxbasic_8c.html#ab61d85b07650c3e6c004878d8653b39a">boxaDestroy</a>(<a class="code" href="struct_boxa.html">BOXA</a> **pboxa)
<a name="l00437"></a>00437 {
<a name="l00438"></a>00438 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i;
<a name="l00439"></a>00439 <a class="code" href="struct_boxa.html">BOXA</a> *boxa;
<a name="l00440"></a>00440
<a name="l00441"></a>00441 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaDestroy"</span>);
<a name="l00442"></a>00442
<a name="l00443"></a>00443 <span class="keywordflow">if</span> (pboxa == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00444"></a>00444 <a class="code" href="environ_8h.html#a80ea4add6888dc55f0f6af9c488f1f21">L_WARNING</a>(<span class="stringliteral">"ptr address is null!"</span>, procName);
<a name="l00445"></a>00445 <span class="keywordflow">return</span>;
<a name="l00446"></a>00446 }
<a name="l00447"></a>00447
<a name="l00448"></a>00448 <span class="keywordflow">if</span> ((boxa = *pboxa) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00449"></a>00449 <span class="keywordflow">return</span>;
<a name="l00450"></a>00450
<a name="l00451"></a>00451 <span class="comment">/* Decrement the ref count. If it is 0, destroy the boxa. */</span>
<a name="l00452"></a>00452 boxa-><a class="code" href="struct_boxa.html#a09fc5086249c1569296a903a176adacc">refcount</a>--;
<a name="l00453"></a>00453 <span class="keywordflow">if</span> (boxa-><a class="code" href="struct_boxa.html#a09fc5086249c1569296a903a176adacc">refcount</a> <= 0) {
<a name="l00454"></a>00454 <span class="keywordflow">for</span> (i = 0; i < boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a>; i++)
<a name="l00455"></a>00455 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>[i]);
<a name="l00456"></a>00456 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>);
<a name="l00457"></a>00457 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(boxa);
<a name="l00458"></a>00458 }
<a name="l00459"></a>00459
<a name="l00460"></a>00460 *pboxa = <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00461"></a>00461 <span class="keywordflow">return</span>;
<a name="l00462"></a>00462 }
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="comment"></span>
<a name="l00465"></a>00465 <span class="comment">/*!</span>
<a name="l00466"></a>00466 <span class="comment"> * boxaAddBox()</span>
<a name="l00467"></a>00467 <span class="comment"> *</span>
<a name="l00468"></a>00468 <span class="comment"> * Input: boxa</span>
<a name="l00469"></a>00469 <span class="comment"> * box (to be added)</span>
<a name="l00470"></a>00470 <span class="comment"> * copyflag (L_INSERT, L_COPY, L_CLONE)</span>
<a name="l00471"></a>00471 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00472"></a>00472 <span class="comment"> */</span>
<a name="l00473"></a>00473 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00474"></a><a class="code" href="leptprotos_8h.html#a0a3ac12d0ee8dc262a2eba2c4424493b">00474</a> <a class="code" href="boxbasic_8c.html#afcef37266188aa3a9939d486cd7de413">boxaAddBox</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00475"></a>00475 <a class="code" href="struct_box.html">BOX</a> *box,
<a name="l00476"></a>00476 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> copyflag)
<a name="l00477"></a>00477 {
<a name="l00478"></a>00478 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> n;
<a name="l00479"></a>00479 <a class="code" href="struct_box.html">BOX</a> *boxc;
<a name="l00480"></a>00480
<a name="l00481"></a>00481 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaAddBox"</span>);
<a name="l00482"></a>00482
<a name="l00483"></a>00483 <span class="keywordflow">if</span> (!boxa)
<a name="l00484"></a>00484 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 1);
<a name="l00485"></a>00485 <span class="keywordflow">if</span> (!box)
<a name="l00486"></a>00486 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"box not defined"</span>, procName, 1);
<a name="l00487"></a>00487
<a name="l00488"></a>00488 <span class="keywordflow">if</span> (copyflag == <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fac1bdfee98ef4dbb3637c7d329cc460a3">L_INSERT</a>)
<a name="l00489"></a>00489 boxc = box;
<a name="l00490"></a>00490 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (copyflag == <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa5d4fddf26f28ac80063028939562e17d">L_COPY</a>)
<a name="l00491"></a>00491 boxc = <a class="code" href="boxbasic_8c.html#acc17644b13ceea936b0449c9ac2ccda9">boxCopy</a>(box);
<a name="l00492"></a>00492 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (copyflag == <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>)
<a name="l00493"></a>00493 boxc = <a class="code" href="boxbasic_8c.html#a74134cc9f9357b328689cc74ab0b68aa">boxClone</a>(box);
<a name="l00494"></a>00494 <span class="keywordflow">else</span>
<a name="l00495"></a>00495 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"invalid copyflag"</span>, procName, 1);
<a name="l00496"></a>00496 <span class="keywordflow">if</span> (!boxc)
<a name="l00497"></a>00497 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxc not made"</span>, procName, 1);
<a name="l00498"></a>00498
<a name="l00499"></a>00499 n = <a class="code" href="boxbasic_8c.html#a82555cab9ef5578c4728ef5109264723">boxaGetCount</a>(boxa);
<a name="l00500"></a>00500 <span class="keywordflow">if</span> (n >= boxa-><a class="code" href="struct_boxa.html#a0908fc564ffb00d0eef183f3e2201527">nalloc</a>)
<a name="l00501"></a>00501 <a class="code" href="boxbasic_8c.html#a72cda7fcfb69446eea38ae04f9d1ee6f">boxaExtendArray</a>(boxa);
<a name="l00502"></a>00502 boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>[n] = boxc;
<a name="l00503"></a>00503 boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a>++;
<a name="l00504"></a>00504
<a name="l00505"></a>00505 <span class="keywordflow">return</span> 0;
<a name="l00506"></a>00506 }
<a name="l00507"></a>00507
<a name="l00508"></a>00508 <span class="comment"></span>
<a name="l00509"></a>00509 <span class="comment">/*!</span>
<a name="l00510"></a>00510 <span class="comment"> * boxaExtendArray()</span>
<a name="l00511"></a>00511 <span class="comment"> *</span>
<a name="l00512"></a>00512 <span class="comment"> * Input: boxa</span>
<a name="l00513"></a>00513 <span class="comment"> * Return: 0 if OK; 1 on error</span>
<a name="l00514"></a>00514 <span class="comment"> *</span>
<a name="l00515"></a>00515 <span class="comment"> * Notes:</span>
<a name="l00516"></a>00516 <span class="comment"> * (1) Reallocs with doubled size of ptr array.</span>
<a name="l00517"></a>00517 <span class="comment"> */</span>
<a name="l00518"></a>00518 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00519"></a><a class="code" href="leptprotos_8h.html#a6dd40de240d2de490087b11f5784d8b3">00519</a> <a class="code" href="boxbasic_8c.html#a72cda7fcfb69446eea38ae04f9d1ee6f">boxaExtendArray</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa)
<a name="l00520"></a>00520 {
<a name="l00521"></a>00521 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaExtendArray"</span>);
<a name="l00522"></a>00522
<a name="l00523"></a>00523 <span class="keywordflow">if</span> (!boxa)
<a name="l00524"></a>00524 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 1);
<a name="l00525"></a>00525
<a name="l00526"></a>00526 <span class="keywordflow">return</span> <a class="code" href="boxbasic_8c.html#a61a35691e4d5aa420c864dcc451eaf12">boxaExtendArrayToSize</a>(boxa, 2 * boxa-><a class="code" href="struct_boxa.html#a0908fc564ffb00d0eef183f3e2201527">nalloc</a>);
<a name="l00527"></a>00527 }
<a name="l00528"></a>00528
<a name="l00529"></a>00529 <span class="comment"></span>
<a name="l00530"></a>00530 <span class="comment">/*!</span>
<a name="l00531"></a>00531 <span class="comment"> * boxaExtendArrayToSize()</span>
<a name="l00532"></a>00532 <span class="comment"> *</span>
<a name="l00533"></a>00533 <span class="comment"> * Input: boxa</span>
<a name="l00534"></a>00534 <span class="comment"> * size (new size of boxa array)</span>
<a name="l00535"></a>00535 <span class="comment"> * Return: 0 if OK; 1 on error</span>
<a name="l00536"></a>00536 <span class="comment"> *</span>
<a name="l00537"></a>00537 <span class="comment"> * Notes:</span>
<a name="l00538"></a>00538 <span class="comment"> * (1) If necessary, reallocs new boxa ptr array to @size.</span>
<a name="l00539"></a>00539 <span class="comment"> */</span>
<a name="l00540"></a>00540 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00541"></a><a class="code" href="leptprotos_8h.html#aff9041fefb3b0d99f3c7e094c0f16175">00541</a> <a class="code" href="boxbasic_8c.html#a61a35691e4d5aa420c864dcc451eaf12">boxaExtendArrayToSize</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00542"></a>00542 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="warper__reg_8c.html#a711275dc7bbe85bb6fa721bc60b8637c">size</a>)
<a name="l00543"></a>00543 {
<a name="l00544"></a>00544 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaExtendArrayToSize"</span>);
<a name="l00545"></a>00545
<a name="l00546"></a>00546 <span class="keywordflow">if</span> (!boxa)
<a name="l00547"></a>00547 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 1);
<a name="l00548"></a>00548
<a name="l00549"></a>00549 <span class="keywordflow">if</span> (size > boxa-><a class="code" href="struct_boxa.html#a0908fc564ffb00d0eef183f3e2201527">nalloc</a>) {
<a name="l00550"></a>00550 <span class="keywordflow">if</span> ((boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a> = (<a class="code" href="struct_box.html">BOX</a> **)<a class="code" href="leptprotos_8h.html#abe8bc34cbaea6831e51796aa917a8471">reallocNew</a>((<span class="keywordtype">void</span> **)&boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>,
<a name="l00551"></a>00551 <span class="keyword">sizeof</span>(<a class="code" href="struct_box.html">BOX</a> *) * boxa-><a class="code" href="struct_boxa.html#a0908fc564ffb00d0eef183f3e2201527">nalloc</a>,
<a name="l00552"></a>00552 size * <span class="keyword">sizeof</span>(<a class="code" href="struct_box.html">BOX</a> *))) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00553"></a>00553 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"new ptr array not returned"</span>, procName, 1);
<a name="l00554"></a>00554 boxa-><a class="code" href="struct_boxa.html#a0908fc564ffb00d0eef183f3e2201527">nalloc</a> = <a class="code" href="warper__reg_8c.html#a711275dc7bbe85bb6fa721bc60b8637c">size</a>;
<a name="l00555"></a>00555 }
<a name="l00556"></a>00556 <span class="keywordflow">return</span> 0;
<a name="l00557"></a>00557 }
<a name="l00558"></a>00558
<a name="l00559"></a>00559
<a name="l00560"></a>00560 <span class="comment">/*---------------------------------------------------------------------*</span>
<a name="l00561"></a>00561 <span class="comment"> * Boxa accessors *</span>
<a name="l00562"></a>00562 <span class="comment"> *---------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00563"></a>00563 <span class="comment">/*!</span>
<a name="l00564"></a>00564 <span class="comment"> * boxaGetCount()</span>
<a name="l00565"></a>00565 <span class="comment"> *</span>
<a name="l00566"></a>00566 <span class="comment"> * Input: boxa</span>
<a name="l00567"></a>00567 <span class="comment"> * Return: count (of all boxes); 0 if no boxes or on error</span>
<a name="l00568"></a>00568 <span class="comment"> */</span>
<a name="l00569"></a>00569 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00570"></a><a class="code" href="leptprotos_8h.html#a40d83b16e0c7b2f28cc36a0c91de75ce">00570</a> <a class="code" href="boxbasic_8c.html#a82555cab9ef5578c4728ef5109264723">boxaGetCount</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa)
<a name="l00571"></a>00571 {
<a name="l00572"></a>00572 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaGetCount"</span>);
<a name="l00573"></a>00573
<a name="l00574"></a>00574 <span class="keywordflow">if</span> (!boxa)
<a name="l00575"></a>00575 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 0);
<a name="l00576"></a>00576 <span class="keywordflow">return</span> boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a>;
<a name="l00577"></a>00577 }
<a name="l00578"></a>00578
<a name="l00579"></a>00579 <span class="comment"></span>
<a name="l00580"></a>00580 <span class="comment">/*!</span>
<a name="l00581"></a>00581 <span class="comment"> * boxaGetValidCount()</span>
<a name="l00582"></a>00582 <span class="comment"> *</span>
<a name="l00583"></a>00583 <span class="comment"> * Input: boxa</span>
<a name="l00584"></a>00584 <span class="comment"> * Return: count (of valid boxes); 0 if no valid boxes or on error</span>
<a name="l00585"></a>00585 <span class="comment"> */</span>
<a name="l00586"></a>00586 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00587"></a><a class="code" href="leptprotos_8h.html#a198d3754f368e9603b322b82efc6fc25">00587</a> <a class="code" href="boxbasic_8c.html#a082ae4985a20dacf1eb83a864758731a">boxaGetValidCount</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa)
<a name="l00588"></a>00588 {
<a name="l00589"></a>00589 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> n, i, w, h, count;
<a name="l00590"></a>00590
<a name="l00591"></a>00591 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaGetValidCount"</span>);
<a name="l00592"></a>00592
<a name="l00593"></a>00593 <span class="keywordflow">if</span> (!boxa)
<a name="l00594"></a>00594 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 0);
<a name="l00595"></a>00595
<a name="l00596"></a>00596 n = <a class="code" href="boxbasic_8c.html#a82555cab9ef5578c4728ef5109264723">boxaGetCount</a>(boxa);
<a name="l00597"></a>00597 <span class="keywordflow">for</span> (i = 0, count = 0; i < n; i++) {
<a name="l00598"></a>00598 <a class="code" href="boxbasic_8c.html#a1104d48462e4712920557871508f66e8">boxaGetBoxGeometry</a>(boxa, i, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, &w, &h);
<a name="l00599"></a>00599 <span class="keywordflow">if</span> (w > 0 && h > 0)
<a name="l00600"></a>00600 count++;
<a name="l00601"></a>00601 }
<a name="l00602"></a>00602 <span class="keywordflow">return</span> count;
<a name="l00603"></a>00603 }
<a name="l00604"></a>00604
<a name="l00605"></a>00605 <span class="comment"></span>
<a name="l00606"></a>00606 <span class="comment">/*!</span>
<a name="l00607"></a>00607 <span class="comment"> * boxaGetBox()</span>
<a name="l00608"></a>00608 <span class="comment"> *</span>
<a name="l00609"></a>00609 <span class="comment"> * Input: boxa</span>
<a name="l00610"></a>00610 <span class="comment"> * index (to the index-th box)</span>
<a name="l00611"></a>00611 <span class="comment"> * accessflag (L_COPY or L_CLONE)</span>
<a name="l00612"></a>00612 <span class="comment"> * Return: box, or null on error</span>
<a name="l00613"></a>00613 <span class="comment"> */</span>
<a name="l00614"></a>00614 <a class="code" href="struct_box.html">BOX</a> *
<a name="l00615"></a><a class="code" href="leptprotos_8h.html#aa634595911f8478a48f962d29b2d4b26">00615</a> <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00616"></a>00616 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> index,
<a name="l00617"></a>00617 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> accessflag)
<a name="l00618"></a>00618 {
<a name="l00619"></a>00619 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaGetBox"</span>);
<a name="l00620"></a>00620
<a name="l00621"></a>00621 <span class="keywordflow">if</span> (!boxa)
<a name="l00622"></a>00622 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"boxa not defined"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00623"></a>00623 <span class="keywordflow">if</span> (index < 0 || index >= boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a>)
<a name="l00624"></a>00624 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"index not valid"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00625"></a>00625
<a name="l00626"></a>00626 <span class="keywordflow">if</span> (accessflag == <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa5d4fddf26f28ac80063028939562e17d">L_COPY</a>)
<a name="l00627"></a>00627 <span class="keywordflow">return</span> <a class="code" href="boxbasic_8c.html#acc17644b13ceea936b0449c9ac2ccda9">boxCopy</a>(boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>[index]);
<a name="l00628"></a>00628 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (accessflag == <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>)
<a name="l00629"></a>00629 <span class="keywordflow">return</span> <a class="code" href="boxbasic_8c.html#a74134cc9f9357b328689cc74ab0b68aa">boxClone</a>(boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>[index]);
<a name="l00630"></a>00630 <span class="keywordflow">else</span>
<a name="l00631"></a>00631 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"invalid accessflag"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00632"></a>00632 }
<a name="l00633"></a>00633
<a name="l00634"></a>00634 <span class="comment"></span>
<a name="l00635"></a>00635 <span class="comment">/*!</span>
<a name="l00636"></a>00636 <span class="comment"> * boxaGetValidBox()</span>
<a name="l00637"></a>00637 <span class="comment"> *</span>
<a name="l00638"></a>00638 <span class="comment"> * Input: boxa</span>
<a name="l00639"></a>00639 <span class="comment"> * index (to the index-th box)</span>
<a name="l00640"></a>00640 <span class="comment"> * accessflag (L_COPY or L_CLONE)</span>
<a name="l00641"></a>00641 <span class="comment"> * Return: box, or null if box is not valid or on error</span>
<a name="l00642"></a>00642 <span class="comment"> *</span>
<a name="l00643"></a>00643 <span class="comment"> * Notes:</span>
<a name="l00644"></a>00644 <span class="comment"> * (1) This returns NULL for an invalid box in a boxa.</span>
<a name="l00645"></a>00645 <span class="comment"> * For a box to be valid, both the width and height must be > 0.</span>
<a name="l00646"></a>00646 <span class="comment"> * (2) We allow invalid boxes, with w = 0 or h = 0, as placeholders</span>
<a name="l00647"></a>00647 <span class="comment"> * in boxa for which the index of the box in the boxa is important.</span>
<a name="l00648"></a>00648 <span class="comment"> * This is an atypical situation; usually you want to put only</span>
<a name="l00649"></a>00649 <span class="comment"> * valid boxes in a boxa.</span>
<a name="l00650"></a>00650 <span class="comment"> */</span>
<a name="l00651"></a>00651 <a class="code" href="struct_box.html">BOX</a> *
<a name="l00652"></a><a class="code" href="leptprotos_8h.html#acbd4d457108092acda0597bf6e72c83a">00652</a> <a class="code" href="boxbasic_8c.html#ac13908e209a01dc6e95460c7719962c5">boxaGetValidBox</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00653"></a>00653 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> index,
<a name="l00654"></a>00654 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> accessflag)
<a name="l00655"></a>00655 {
<a name="l00656"></a>00656 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> w, h;
<a name="l00657"></a>00657 <a class="code" href="struct_box.html">BOX</a> *box;
<a name="l00658"></a>00658
<a name="l00659"></a>00659 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaGetValidBox"</span>);
<a name="l00660"></a>00660
<a name="l00661"></a>00661 <span class="keywordflow">if</span> (!boxa)
<a name="l00662"></a>00662 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"boxa not defined"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00663"></a>00663
<a name="l00664"></a>00664 <span class="keywordflow">if</span> ((box = <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(boxa, index, accessflag)) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00665"></a>00665 <span class="keywordflow">return</span> (<a class="code" href="struct_box.html">BOX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"box not returned"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00666"></a>00666 <a class="code" href="boxbasic_8c.html#aaf754e00c062c3f0f726bea73a17e646">boxGetGeometry</a>(box, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, &w, &h);
<a name="l00667"></a>00667 <span class="keywordflow">if</span> (w <= 0 || h <= 0) <span class="comment">/* not valid, but not necessarily an error */</span>
<a name="l00668"></a>00668 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&box);
<a name="l00669"></a>00669 <span class="keywordflow">return</span> box;
<a name="l00670"></a>00670 }
<a name="l00671"></a>00671
<a name="l00672"></a>00672 <span class="comment"></span>
<a name="l00673"></a>00673 <span class="comment">/*!</span>
<a name="l00674"></a>00674 <span class="comment"> * boxaGetBoxGeometry()</span>
<a name="l00675"></a>00675 <span class="comment"> *</span>
<a name="l00676"></a>00676 <span class="comment"> * Input: boxa</span>
<a name="l00677"></a>00677 <span class="comment"> * index (to the index-th box)</span>
<a name="l00678"></a>00678 <span class="comment"> * &x, &y, &w, &h (<optional return>; each can be null)</span>
<a name="l00679"></a>00679 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00680"></a>00680 <span class="comment"> */</span>
<a name="l00681"></a>00681 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00682"></a><a class="code" href="leptprotos_8h.html#a02d43a0177653d133588df41e4ecd13f">00682</a> <a class="code" href="boxbasic_8c.html#a1104d48462e4712920557871508f66e8">boxaGetBoxGeometry</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00683"></a>00683 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> index,
<a name="l00684"></a>00684 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *px,
<a name="l00685"></a>00685 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *py,
<a name="l00686"></a>00686 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pw,
<a name="l00687"></a>00687 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *ph)
<a name="l00688"></a>00688 {
<a name="l00689"></a>00689 <a class="code" href="struct_box.html">BOX</a> *box;
<a name="l00690"></a>00690
<a name="l00691"></a>00691 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaGetBoxGeometry"</span>);
<a name="l00692"></a>00692
<a name="l00693"></a>00693 <span class="keywordflow">if</span> (px) *px = 0;
<a name="l00694"></a>00694 <span class="keywordflow">if</span> (py) *py = 0;
<a name="l00695"></a>00695 <span class="keywordflow">if</span> (pw) *pw = 0;
<a name="l00696"></a>00696 <span class="keywordflow">if</span> (ph) *ph = 0;
<a name="l00697"></a>00697 <span class="keywordflow">if</span> (!boxa)
<a name="l00698"></a>00698 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 1);
<a name="l00699"></a>00699 <span class="keywordflow">if</span> (index < 0 || index >= boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a>)
<a name="l00700"></a>00700 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"index not valid"</span>, procName, 1);
<a name="l00701"></a>00701
<a name="l00702"></a>00702 <span class="keywordflow">if</span> ((box = <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(boxa, index, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>)) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00703"></a>00703 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"box not found!"</span>, procName, 1);
<a name="l00704"></a>00704 <a class="code" href="boxbasic_8c.html#aaf754e00c062c3f0f726bea73a17e646">boxGetGeometry</a>(box, px, py, pw, ph);
<a name="l00705"></a>00705 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&box);
<a name="l00706"></a>00706 <span class="keywordflow">return</span> 0;
<a name="l00707"></a>00707 }
<a name="l00708"></a>00708
<a name="l00709"></a>00709
<a name="l00710"></a>00710 <span class="comment">/*---------------------------------------------------------------------*</span>
<a name="l00711"></a>00711 <span class="comment"> * Boxa array modifiers *</span>
<a name="l00712"></a>00712 <span class="comment"> *---------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00713"></a>00713 <span class="comment">/*!</span>
<a name="l00714"></a>00714 <span class="comment"> * boxaReplaceBox()</span>
<a name="l00715"></a>00715 <span class="comment"> *</span>
<a name="l00716"></a>00716 <span class="comment"> * Input: boxa</span>
<a name="l00717"></a>00717 <span class="comment"> * index (to the index-th box)</span>
<a name="l00718"></a>00718 <span class="comment"> * box (insert to replace existing one)</span>
<a name="l00719"></a>00719 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00720"></a>00720 <span class="comment"> *</span>
<a name="l00721"></a>00721 <span class="comment"> * Notes:</span>
<a name="l00722"></a>00722 <span class="comment"> * (1) In-place replacement of one box.</span>
<a name="l00723"></a>00723 <span class="comment"> * (2) The previous box at that location is destroyed.</span>
<a name="l00724"></a>00724 <span class="comment"> */</span>
<a name="l00725"></a>00725 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00726"></a><a class="code" href="leptprotos_8h.html#a64f8169dac1ec300675ff0acc5cb8a8e">00726</a> <a class="code" href="boxbasic_8c.html#ae20e540545eda297b25fc842cb0a154d">boxaReplaceBox</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00727"></a>00727 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> index,
<a name="l00728"></a>00728 <a class="code" href="struct_box.html">BOX</a> *box)
<a name="l00729"></a>00729 {
<a name="l00730"></a>00730 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaReplaceBox"</span>);
<a name="l00731"></a>00731
<a name="l00732"></a>00732 <span class="keywordflow">if</span> (!boxa)
<a name="l00733"></a>00733 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 1);
<a name="l00734"></a>00734 <span class="keywordflow">if</span> (index < 0 || index >= boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a>)
<a name="l00735"></a>00735 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"index not valid"</span>, procName, 1);
<a name="l00736"></a>00736 <span class="keywordflow">if</span> (!box)
<a name="l00737"></a>00737 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"box not defined"</span>, procName, 1);
<a name="l00738"></a>00738
<a name="l00739"></a>00739 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&(boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>[index]));
<a name="l00740"></a>00740 boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>[index] = box;
<a name="l00741"></a>00741 <span class="keywordflow">return</span> 0;
<a name="l00742"></a>00742 }
<a name="l00743"></a>00743
<a name="l00744"></a>00744 <span class="comment"></span>
<a name="l00745"></a>00745 <span class="comment">/*!</span>
<a name="l00746"></a>00746 <span class="comment"> * boxaInsertBox()</span>
<a name="l00747"></a>00747 <span class="comment"> *</span>
<a name="l00748"></a>00748 <span class="comment"> * Input: boxa</span>
<a name="l00749"></a>00749 <span class="comment"> * index (location in boxa to insert new value)</span>
<a name="l00750"></a>00750 <span class="comment"> * box (new box to be inserted)</span>
<a name="l00751"></a>00751 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00752"></a>00752 <span class="comment"> *</span>
<a name="l00753"></a>00753 <span class="comment"> * Notes:</span>
<a name="l00754"></a>00754 <span class="comment"> * (1) This shifts box[i] --> box[i + 1] for all i >= index,</span>
<a name="l00755"></a>00755 <span class="comment"> * and then inserts box as box[index].</span>
<a name="l00756"></a>00756 <span class="comment"> * (2) To insert at the beginning of the array, set index = 0.</span>
<a name="l00757"></a>00757 <span class="comment"> * (3) To append to the array, it's easier to use boxaAddBox().</span>
<a name="l00758"></a>00758 <span class="comment"> * (4) This should not be used repeatedly to insert into large arrays,</span>
<a name="l00759"></a>00759 <span class="comment"> * because the function is O(n).</span>
<a name="l00760"></a>00760 <span class="comment"> */</span>
<a name="l00761"></a>00761 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00762"></a><a class="code" href="leptprotos_8h.html#a1dd4eeaec9db371e077ad6d208e01af9">00762</a> <a class="code" href="boxbasic_8c.html#af919c997cae9dd697d77b4ad198a5dad">boxaInsertBox</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00763"></a>00763 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> index,
<a name="l00764"></a>00764 <a class="code" href="struct_box.html">BOX</a> *box)
<a name="l00765"></a>00765 {
<a name="l00766"></a>00766 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, n;
<a name="l00767"></a>00767 <a class="code" href="struct_box.html">BOX</a> **array;
<a name="l00768"></a>00768
<a name="l00769"></a>00769 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaInsertBox"</span>);
<a name="l00770"></a>00770
<a name="l00771"></a>00771 <span class="keywordflow">if</span> (!boxa)
<a name="l00772"></a>00772 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 1);
<a name="l00773"></a>00773 n = <a class="code" href="boxbasic_8c.html#a82555cab9ef5578c4728ef5109264723">boxaGetCount</a>(boxa);
<a name="l00774"></a>00774 <span class="keywordflow">if</span> (index < 0 || index > n)
<a name="l00775"></a>00775 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"index not in {0...n}"</span>, procName, 1);
<a name="l00776"></a>00776 <span class="keywordflow">if</span> (!box)
<a name="l00777"></a>00777 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"box not defined"</span>, procName, 1);
<a name="l00778"></a>00778
<a name="l00779"></a>00779 <span class="keywordflow">if</span> (n >= boxa-><a class="code" href="struct_boxa.html#a0908fc564ffb00d0eef183f3e2201527">nalloc</a>)
<a name="l00780"></a>00780 <a class="code" href="boxbasic_8c.html#a72cda7fcfb69446eea38ae04f9d1ee6f">boxaExtendArray</a>(boxa);
<a name="l00781"></a>00781 array = boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>;
<a name="l00782"></a>00782 boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a>++;
<a name="l00783"></a>00783 <span class="keywordflow">for</span> (i = n; i > index; i--)
<a name="l00784"></a>00784 array[i] = array[i - 1];
<a name="l00785"></a>00785 array[index] = box;
<a name="l00786"></a>00786
<a name="l00787"></a>00787 <span class="keywordflow">return</span> 0;
<a name="l00788"></a>00788 }
<a name="l00789"></a>00789
<a name="l00790"></a>00790 <span class="comment"></span>
<a name="l00791"></a>00791 <span class="comment">/*!</span>
<a name="l00792"></a>00792 <span class="comment"> * boxaRemoveBox()</span>
<a name="l00793"></a>00793 <span class="comment"> *</span>
<a name="l00794"></a>00794 <span class="comment"> * Input: boxa</span>
<a name="l00795"></a>00795 <span class="comment"> * index (of box to be removed)</span>
<a name="l00796"></a>00796 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00797"></a>00797 <span class="comment"> *</span>
<a name="l00798"></a>00798 <span class="comment"> * Notes:</span>
<a name="l00799"></a>00799 <span class="comment"> * (1) This removes box[index] and then shifts</span>
<a name="l00800"></a>00800 <span class="comment"> * box[i] --> box[i - 1] for all i > index.</span>
<a name="l00801"></a>00801 <span class="comment"> * (2) It should not be used repeatedly to remove boxes from</span>
<a name="l00802"></a>00802 <span class="comment"> * large arrays, because the function is O(n).</span>
<a name="l00803"></a>00803 <span class="comment"> */</span>
<a name="l00804"></a>00804 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00805"></a><a class="code" href="leptprotos_8h.html#abc6b7cb96abcfae84068131609d9e6f6">00805</a> <a class="code" href="boxbasic_8c.html#a41033e892b45e63595ac076c2feb7240">boxaRemoveBox</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00806"></a>00806 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> index)
<a name="l00807"></a>00807 {
<a name="l00808"></a>00808 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, n;
<a name="l00809"></a>00809 <a class="code" href="struct_box.html">BOX</a> **array;
<a name="l00810"></a>00810
<a name="l00811"></a>00811 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaRemoveBox"</span>);
<a name="l00812"></a>00812
<a name="l00813"></a>00813 <span class="keywordflow">if</span> (!boxa)
<a name="l00814"></a>00814 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 1);
<a name="l00815"></a>00815 n = <a class="code" href="boxbasic_8c.html#a82555cab9ef5578c4728ef5109264723">boxaGetCount</a>(boxa);
<a name="l00816"></a>00816 <span class="keywordflow">if</span> (index < 0 || index >= n)
<a name="l00817"></a>00817 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"index not in {0...n - 1}"</span>, procName, 1);
<a name="l00818"></a>00818
<a name="l00819"></a>00819 array = boxa-><a class="code" href="struct_boxa.html#a8ae3431111c9acccad51046acb465407">box</a>;
<a name="l00820"></a>00820 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&array[index]);
<a name="l00821"></a>00821 <span class="keywordflow">for</span> (i = index + 1; i < n; i++)
<a name="l00822"></a>00822 array[i - 1] = array[i];
<a name="l00823"></a>00823 array[n - 1] = <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00824"></a>00824 boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a>--;
<a name="l00825"></a>00825
<a name="l00826"></a>00826 <span class="keywordflow">return</span> 0;
<a name="l00827"></a>00827 }
<a name="l00828"></a>00828
<a name="l00829"></a>00829 <span class="comment"></span>
<a name="l00830"></a>00830 <span class="comment">/*!</span>
<a name="l00831"></a>00831 <span class="comment"> * boxaInitFull()</span>
<a name="l00832"></a>00832 <span class="comment"> *</span>
<a name="l00833"></a>00833 <span class="comment"> * Input: boxa (typically empty)</span>
<a name="l00834"></a>00834 <span class="comment"> * box (to be replicated into the entire ptr array)</span>
<a name="l00835"></a>00835 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00836"></a>00836 <span class="comment"> *</span>
<a name="l00837"></a>00837 <span class="comment"> * Notes:</span>
<a name="l00838"></a>00838 <span class="comment"> * (1) This initializes a boxa by filling up the entire box ptr array</span>
<a name="l00839"></a>00839 <span class="comment"> * with copies of @box. Any existing boxes are destroyed.</span>
<a name="l00840"></a>00840 <span class="comment"> * After this oepration, the number of boxes is equal to</span>
<a name="l00841"></a>00841 <span class="comment"> * the number of allocated ptrs.</span>
<a name="l00842"></a>00842 <span class="comment"> * (2) Note that we use boxaReplaceBox() instead of boxaInsertBox().</span>
<a name="l00843"></a>00843 <span class="comment"> * They both have the same effect when inserting into a NULL ptr</span>
<a name="l00844"></a>00844 <span class="comment"> * in the boxa ptr array:</span>
<a name="l00845"></a>00845 <span class="comment"> * (3) Example usage. This function is useful to prepare for a</span>
<a name="l00846"></a>00846 <span class="comment"> * random insertion (or replacement) of boxes into a boxa.</span>
<a name="l00847"></a>00847 <span class="comment"> * To randomly insert boxes into a boxa, up to some index "max":</span>
<a name="l00848"></a>00848 <span class="comment"> * Boxa *boxa = boxaCreate(max);</span>
<a name="l00849"></a>00849 <span class="comment"> * Box *box = boxCreate(...);</span>
<a name="l00850"></a>00850 <span class="comment"> * boxaInitFull(boxa, box);</span>
<a name="l00851"></a>00851 <span class="comment"> * If we have an existing boxa with a smaller ptr array, it can</span>
<a name="l00852"></a>00852 <span class="comment"> * be reused:</span>
<a name="l00853"></a>00853 <span class="comment"> * boxaExtendArrayToSize(boxa, max);</span>
<a name="l00854"></a>00854 <span class="comment"> * Box *box = boxCreate(...);</span>
<a name="l00855"></a>00855 <span class="comment"> * boxaInitFull(boxa, box);</span>
<a name="l00856"></a>00856 <span class="comment"> * The initialization allows the boxa to always be properly</span>
<a name="l00857"></a>00857 <span class="comment"> * filled, even if all the boxes are not later replaced.</span>
<a name="l00858"></a>00858 <span class="comment"> * If you want to know which boxes have been replaced, you can</span>
<a name="l00859"></a>00859 <span class="comment"> * initialize the array with invalid boxes that have </span>
<a name="l00860"></a>00860 <span class="comment"> * w = 0 and/or h = 0. Then boxaGetValidBox() will return</span>
<a name="l00861"></a>00861 <span class="comment"> * NULL for the invalid boxes.</span>
<a name="l00862"></a>00862 <span class="comment"> */</span>
<a name="l00863"></a>00863 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00864"></a><a class="code" href="leptprotos_8h.html#a80e0200e611968f912cb91a0c85e3bfb">00864</a> <a class="code" href="boxbasic_8c.html#ac93829ddfbed592fb7def968ea564b6b">boxaInitFull</a>(<a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00865"></a>00865 <a class="code" href="struct_box.html">BOX</a> *box)
<a name="l00866"></a>00866 {
<a name="l00867"></a>00867 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, n;
<a name="l00868"></a>00868 <a class="code" href="struct_box.html">BOX</a> *boxt;
<a name="l00869"></a>00869
<a name="l00870"></a>00870 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"boxaInitFull"</span>);
<a name="l00871"></a>00871
<a name="l00872"></a>00872 <span class="keywordflow">if</span> (!boxa)
<a name="l00873"></a>00873 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"boxa not defined"</span>, procName, 1);
<a name="l00874"></a>00874 <span class="keywordflow">if</span> (!box)
<a name="l00875"></a>00875 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"box not defined"</span>, procName, 1);
<a name="l00876"></a>00876
<a name="l00877"></a>00877 n = boxa-><a class="code" href="struct_boxa.html#a0908fc564ffb00d0eef183f3e2201527">nalloc</a>;
<a name="l00878"></a>00878 boxa-><a class="code" href="struct_boxa.html#a24a15f737ed2a4156bca17412ee3e05c">n</a> = n;