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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>bmf.c</h1> </div>
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<div class="contents">
<a href="bmf_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
<a name="l00017"></a>00017 <span class="comment">/*</span>
<a name="l00018"></a>00018 <span class="comment"> * bmf.c</span>
<a name="l00019"></a>00019 <span class="comment"> *</span>
<a name="l00020"></a>00020 <span class="comment"> * Acquisition and generation of bitmap fonts.</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> * L_BMF *bmfCreate()</span>
<a name="l00023"></a>00023 <span class="comment"> * L_BMF *bmfDestroy()</span>
<a name="l00024"></a>00024 <span class="comment"> *</span>
<a name="l00025"></a>00025 <span class="comment"> * PIX *bmfGetPix()</span>
<a name="l00026"></a>00026 <span class="comment"> * l_int32 bmfGetWidth()</span>
<a name="l00027"></a>00027 <span class="comment"> * l_int32 bmfGetBaseline()</span>
<a name="l00028"></a>00028 <span class="comment"> *</span>
<a name="l00029"></a>00029 <span class="comment"> * PIXA *pixaGetFont()</span>
<a name="l00030"></a>00030 <span class="comment"> * l_int32 pixaSaveFont()</span>
<a name="l00031"></a>00031 <span class="comment"> * PIXA *pixaGenerateFont()</span>
<a name="l00032"></a>00032 <span class="comment"> * static l_int32 pixGetTextBaseline()</span>
<a name="l00033"></a>00033 <span class="comment"> * static l_int32 bmfMakeAsciiTables()</span>
<a name="l00034"></a>00034 <span class="comment"> *</span>
<a name="l00035"></a>00035 <span class="comment"> * This is not a very general utility, because it only uses bitmap</span>
<a name="l00036"></a>00036 <span class="comment"> * representations of a single font, Palatino-Roman, with the</span>
<a name="l00037"></a>00037 <span class="comment"> * normal style. It uses bitmaps generated for nine sizes, from</span>
<a name="l00038"></a>00038 <span class="comment"> * 4 to 20 pts, rendered at 300 ppi. Generalization to different</span>
<a name="l00039"></a>00039 <span class="comment"> * fonts, styles and sizes is straightforward.</span>
<a name="l00040"></a>00040 <span class="comment"> *</span>
<a name="l00041"></a>00041 <span class="comment"> * I chose Palatino-Roman is because I like it.</span>
<a name="l00042"></a>00042 <span class="comment"> * The input font images were generated from a set of small</span>
<a name="l00043"></a>00043 <span class="comment"> * PostScript files, such as chars-12.ps, which were rendered</span>
<a name="l00044"></a>00044 <span class="comment"> * into the inputfont[] bitmap files using GhostScript. See, for</span>
<a name="l00045"></a>00045 <span class="comment"> * example, the bash script prog/ps2tiff, which will "rip" a</span>
<a name="l00046"></a>00046 <span class="comment"> * PostScript file into a set of ccitt-g4 compressed tiff files.</span>
<a name="l00047"></a>00047 <span class="comment"> *</span>
<a name="l00048"></a>00048 <span class="comment"> * The set of ascii characters from 32 through 126 are the 95</span>
<a name="l00049"></a>00049 <span class="comment"> * printable ascii chars. Palatino-Roman is missing char 92, '\'.</span>
<a name="l00050"></a>00050 <span class="comment"> * I have substituted '/', char 47, for 92, so that there will be</span>
<a name="l00051"></a>00051 <span class="comment"> * no missing printable chars in this set. The space is char 32,</span>
<a name="l00052"></a>00052 <span class="comment"> * and I have given it a width equal to twice the width of '!'.</span>
<a name="l00053"></a>00053 <span class="comment"> */</span>
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="preprocessor">#include "<a class="code" href="allheaders_8h.html" title="Includes all required Leptonica header files.">allheaders.h</a>"</span>
<a name="l00056"></a>00056
<a name="l00057"></a><a class="code" href="bmf_8c.html#a99f2f555ff1f178241a5521b821af951">00057</a> <span class="preprocessor">#define NFONTS 9</span>
<a name="l00058"></a><a class="code" href="bmf_8c.html#a48908b2f32cb1c7f68d2d990e28239ab">00058</a> <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="bmf_8c.html#a48908b2f32cb1c7f68d2d990e28239ab">inputfonts</a>[] = {<span class="stringliteral">"chars-4.tif"</span>, <span class="stringliteral">"chars-6.tif"</span>,
<a name="l00059"></a>00059 <span class="stringliteral">"chars-8.tif"</span>, <span class="stringliteral">"chars-10.tif"</span>,
<a name="l00060"></a>00060 <span class="stringliteral">"chars-12.tif"</span>, <span class="stringliteral">"chars-14.tif"</span>,
<a name="l00061"></a>00061 <span class="stringliteral">"chars-16.tif"</span>, <span class="stringliteral">"chars-18.tif"</span>,
<a name="l00062"></a>00062 <span class="stringliteral">"chars-20.tif"</span>};
<a name="l00063"></a><a class="code" href="bmf_8c.html#aa499d6d4472c8b13000650509f6299f2">00063</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="bmf_8c.html#aa499d6d4472c8b13000650509f6299f2">outputfonts</a>[] = {<span class="stringliteral">"chars-4.pixa"</span>, <span class="stringliteral">"chars-6.pixa"</span>,
<a name="l00064"></a>00064 <span class="stringliteral">"chars-8.pixa"</span>, <span class="stringliteral">"chars-10.pixa"</span>,
<a name="l00065"></a>00065 <span class="stringliteral">"chars-12.pixa"</span>, <span class="stringliteral">"chars-14.pixa"</span>,
<a name="l00066"></a>00066 <span class="stringliteral">"chars-16.pixa"</span>, <span class="stringliteral">"chars-18.pixa"</span>,
<a name="l00067"></a>00067 <span class="stringliteral">"chars-20.pixa"</span>};
<a name="l00068"></a><a class="code" href="bmf_8c.html#a18a519a9b98a53af96ac9b1275368a3e">00068</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="bmf_8c.html#a18a519a9b98a53af96ac9b1275368a3e">baselines</a>[<a class="code" href="bmf_8c.html#a99f2f555ff1f178241a5521b821af951">NFONTS</a>][3] = {{11, 12, 12}, {18, 18, 18},
<a name="l00069"></a>00069 {24, 24, 24}, {30, 30, 30},
<a name="l00070"></a>00070 {36, 36, 36}, {42, 42, 42},
<a name="l00071"></a>00071 {48, 48, 48}, {54, 54, 54},
<a name="l00072"></a>00072 {60, 60, 60}};
<a name="l00073"></a><a class="code" href="bmf_8c.html#a2dd6222a0f051cdbc3c5b61eedf737c7">00073</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#af59419416d96ecf5fca70c8d05adb456">l_float32</a> <a class="code" href="bmf_8c.html#a2dd6222a0f051cdbc3c5b61eedf737c7">VERT_FRACT_SEP</a> = 0.3;
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="preprocessor">#ifndef NO_CONSOLE_IO</span>
<a name="l00076"></a><a class="code" href="bmf_8c.html#ac50c85debbf574079cf90fc10ea590b6">00076</a> <span class="preprocessor"></span><span class="preprocessor">#define DEBUG_BASELINE 0</span>
<a name="l00077"></a><a class="code" href="bmf_8c.html#adc201d5cca453fe975cebcddf31e3711">00077</a> <span class="preprocessor"></span><span class="preprocessor">#define DEBUG_CHARS 0</span>
<a name="l00078"></a><a class="code" href="bmf_8c.html#acac803d528c517478cbca184c695528b">00078</a> <span class="preprocessor"></span><span class="preprocessor">#define DEBUG_FONT_GEN 0</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* ~NO_CONSOLE_IO */</span>
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keyword">static</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="bmf_8c.html#ab97059919a3e12ea5962597888f64c4e">pixGetTextBaseline</a>(<a class="code" href="struct_pix.html">PIX</a> *pixs, <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *tab8, <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *py);
<a name="l00082"></a>00082 <span class="keyword">static</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="bmf_8c.html#a91d2def350f73015c6f5a274bc362349">bmfMakeAsciiTables</a>(<a class="code" href="struct_l___bmf.html">L_BMF</a> *bmf);
<a name="l00083"></a>00083
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="comment">/*---------------------------------------------------------------------*/</span>
<a name="l00086"></a>00086 <span class="comment">/* Bmf create/destroy */</span>
<a name="l00087"></a>00087 <span class="comment">/*---------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00088"></a>00088 <span class="comment">/*!</span>
<a name="l00089"></a>00089 <span class="comment"> * bmfCreate()</span>
<a name="l00090"></a>00090 <span class="comment"> *</span>
<a name="l00091"></a>00091 <span class="comment"> * Input: dir (directory holding pixa of character set)</span>
<a name="l00092"></a>00092 <span class="comment"> * size (4, 6, 8, ... , 20)</span>
<a name="l00093"></a>00093 <span class="comment"> * Return: bmf (holding the bitmap font and associated information)</span>
<a name="l00094"></a>00094 <span class="comment"> *</span>
<a name="l00095"></a>00095 <span class="comment"> * Notes:</span>
<a name="l00096"></a>00096 <span class="comment"> * (1) This first tries to read a pre-computed pixa file with the</span>
<a name="l00097"></a>00097 <span class="comment"> * 95 ascii chars in it. If the file is not found, it</span>
<a name="l00098"></a>00098 <span class="comment"> * creates the pixa from the raw image. It then generates all </span>
<a name="l00099"></a>00099 <span class="comment"> * associated data required to use the bmf.</span>
<a name="l00100"></a>00100 <span class="comment"> */</span>
<a name="l00101"></a>00101 <a class="code" href="struct_l___bmf.html">L_BMF</a> *
<a name="l00102"></a><a class="code" href="leptprotos_8h.html#abf75ab4b38e06269b815e9e531d7de1d">00102</a> <a class="code" href="bmf_8c.html#a139b8a8d92a9bc0f1f3b6232fa76cccd">bmfCreate</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *dir,
<a name="l00103"></a>00103 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="warper__reg_8c.html#a711275dc7bbe85bb6fa721bc60b8637c">size</a>)
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105 <a class="code" href="struct_l___bmf.html">L_BMF</a> *bmf;
<a name="l00106"></a>00106 <a class="code" href="struct_pixa.html">PIXA</a> *pixa;
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"bmfCreate"</span>);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordflow">if</span> ((bmf = (<a class="code" href="struct_l___bmf.html">L_BMF</a> *)<a class="code" href="environ_8h.html#abc24891c647be0bd23e233d013175da0">CALLOC</a>(1, <span class="keyword">sizeof</span>(<a class="code" href="struct_l___bmf.html">L_BMF</a>))) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00111"></a>00111 <span class="keywordflow">return</span> (<a class="code" href="struct_l___bmf.html">L_BMF</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"bmf not made"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="comment">/* Look for the pixa */</span>
<a name="l00114"></a>00114 pixa = <a class="code" href="bmf_8c.html#a6332fd3f4f3f3064ad549c794db25447">pixaGetFont</a>(dir, size, &bmf-><a class="code" href="struct_l___bmf.html#a75b010e8abe3f5794915552ea4b302b5">baseline1</a>, &bmf-><a class="code" href="struct_l___bmf.html#ad48ef975cddf6e7737dbf17e83238861">baseline2</a>,
<a name="l00115"></a>00115 &bmf-><a class="code" href="struct_l___bmf.html#a38df6f5276af9efc9662f084a076b1a6">baseline3</a>);
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="comment">/* If not found, make it */</span>
<a name="l00118"></a>00118 <span class="keywordflow">if</span> (!pixa) {
<a name="l00119"></a>00119 <a class="code" href="environ_8h.html#a55640298822aef1169491d41f27e24ed">L_INFO</a>(<span class="stringliteral">"Generating pixa of bitmap fonts"</span>, procName);
<a name="l00120"></a>00120 pixa = <a class="code" href="bmf_8c.html#ae8e23002ba3a5bf28e7898ef68d45ea7">pixaGenerateFont</a>(dir, size, &bmf-><a class="code" href="struct_l___bmf.html#a75b010e8abe3f5794915552ea4b302b5">baseline1</a>, &bmf-><a class="code" href="struct_l___bmf.html#ad48ef975cddf6e7737dbf17e83238861">baseline2</a>,
<a name="l00121"></a>00121 &bmf-><a class="code" href="struct_l___bmf.html#a38df6f5276af9efc9662f084a076b1a6">baseline3</a>);
<a name="l00122"></a>00122 <span class="keywordflow">if</span> (!pixa) {
<a name="l00123"></a>00123 <a class="code" href="bmf_8c.html#a0ac6dcd38c4cb74ba2b1a73e239e88eb">bmfDestroy</a>(&bmf);
<a name="l00124"></a>00124 <span class="keywordflow">return</span> (<a class="code" href="struct_l___bmf.html">L_BMF</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"font pixa not made"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 bmf-><a class="code" href="struct_l___bmf.html#a9790a20fb7026f6099456987d2b55519">pixa</a> = pixa;
<a name="l00129"></a>00129 bmf-><a class="code" href="struct_l___bmf.html#a9f5b108fd351a75a80055931d094d765">size</a> = <a class="code" href="warper__reg_8c.html#a711275dc7bbe85bb6fa721bc60b8637c">size</a>;
<a name="l00130"></a>00130 bmf-><a class="code" href="struct_l___bmf.html#a5891dad1b212965065da55471042ef1f">directory</a> = <a class="code" href="leptprotos_8h.html#aa1b26404d7c35551a1e04174e4ccf564">stringNew</a>(dir);
<a name="l00131"></a>00131 <a class="code" href="bmf_8c.html#a91d2def350f73015c6f5a274bc362349">bmfMakeAsciiTables</a>(bmf);
<a name="l00132"></a>00132 <span class="keywordflow">return</span> bmf;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="comment"></span>
<a name="l00136"></a>00136 <span class="comment">/*!</span>
<a name="l00137"></a>00137 <span class="comment"> * bmfDestroy()</span>
<a name="l00138"></a>00138 <span class="comment"> *</span>
<a name="l00139"></a>00139 <span class="comment"> * Input: &bmf (<set to null>)</span>
<a name="l00140"></a>00140 <span class="comment"> * Return: void</span>
<a name="l00141"></a>00141 <span class="comment"> */</span>
<a name="l00142"></a>00142 <span class="keywordtype">void</span>
<a name="l00143"></a><a class="code" href="leptprotos_8h.html#aa879dffdc4855290920b47fcd2eeb1f4">00143</a> <a class="code" href="bmf_8c.html#a0ac6dcd38c4cb74ba2b1a73e239e88eb">bmfDestroy</a>(<a class="code" href="struct_l___bmf.html">L_BMF</a> **pbmf)
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 <a class="code" href="struct_l___bmf.html">L_BMF</a> *bmf;
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"bmfDestroy"</span>);
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (pbmf == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00150"></a>00150 <a class="code" href="environ_8h.html#a80ea4add6888dc55f0f6af9c488f1f21">L_WARNING</a>(<span class="stringliteral">"ptr address is null!"</span>, procName);
<a name="l00151"></a>00151 <span class="keywordflow">return</span>;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keywordflow">if</span> ((bmf = *pbmf) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00155"></a>00155 <span class="keywordflow">return</span>;
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <a class="code" href="leptprotos_8h.html#a6775cff91fdef2336a3f3037f7bb55f3">pixaDestroy</a>(&bmf-><a class="code" href="struct_l___bmf.html#a9790a20fb7026f6099456987d2b55519">pixa</a>);
<a name="l00158"></a>00158 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(bmf-><a class="code" href="struct_l___bmf.html#a5891dad1b212965065da55471042ef1f">directory</a>);
<a name="l00159"></a>00159 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(bmf-><a class="code" href="struct_l___bmf.html#a4ac88f6b9996e240026a2da02f997469">fonttab</a>);
<a name="l00160"></a>00160 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(bmf-><a class="code" href="struct_l___bmf.html#a178e62efebf00c1787264114f69d630e">baselinetab</a>);
<a name="l00161"></a>00161 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(bmf-><a class="code" href="struct_l___bmf.html#a4df5a41e1171b6ecbaec4ae13634466d">widthtab</a>);
<a name="l00162"></a>00162 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(bmf);
<a name="l00163"></a>00163 *pbmf = <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00164"></a>00164 <span class="keywordflow">return</span>;
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="comment">/*---------------------------------------------------------------------*/</span>
<a name="l00169"></a>00169 <span class="comment">/* Bmf accessors */</span>
<a name="l00170"></a>00170 <span class="comment">/*---------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00171"></a>00171 <span class="comment">/*!</span>
<a name="l00172"></a>00172 <span class="comment"> * bmfGetPix()</span>
<a name="l00173"></a>00173 <span class="comment"> *</span>
<a name="l00174"></a>00174 <span class="comment"> * Input: bmf</span>
<a name="l00175"></a>00175 <span class="comment"> * chr (should be one of the 95 supported printable bitmaps)</span>
<a name="l00176"></a>00176 <span class="comment"> * Return: pix (clone of pix in bmf), or null on error</span>
<a name="l00177"></a>00177 <span class="comment"> */</span>
<a name="l00178"></a>00178 <a class="code" href="struct_pix.html">PIX</a> *
<a name="l00179"></a><a class="code" href="leptprotos_8h.html#a70f3106c592b323643a6142777654881">00179</a> <a class="code" href="bmf_8c.html#a535a158ec913844c1d63ab4eeeaec354">bmfGetPix</a>(<a class="code" href="struct_l___bmf.html">L_BMF</a> *bmf,
<a name="l00180"></a>00180 <span class="keywordtype">char</span> chr)
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, index;
<a name="l00183"></a>00183 <a class="code" href="struct_pixa.html">PIXA</a> *pixa;
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"bmfGetPix"</span>);
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="keywordflow">if</span> ((index = (<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>)chr) == 10) <span class="comment">/* NL */</span>
<a name="l00188"></a>00188 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (!bmf)
<a name="l00190"></a>00190 <span class="keywordflow">return</span> (<a class="code" href="struct_pix.html">PIX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"bmf not defined"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00191"></a>00191
<a name="l00192"></a>00192 i = bmf-><a class="code" href="struct_l___bmf.html#a4ac88f6b9996e240026a2da02f997469">fonttab</a>[index];
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (i == <a class="code" href="environ_8h.html#abde25a67f4046530ae1c572cefeb5869">UNDEF</a>) {
<a name="l00194"></a>00194 <a class="code" href="environ_8h.html#a767a355e364ba0980565242f9f076533">L_ERROR_INT</a>(<span class="stringliteral">"no bitmap representation for %d"</span>, procName, index);
<a name="l00195"></a>00195 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <span class="keywordflow">if</span> ((pixa = bmf-><a class="code" href="struct_l___bmf.html#a9790a20fb7026f6099456987d2b55519">pixa</a>) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00199"></a>00199 <span class="keywordflow">return</span> (<a class="code" href="struct_pix.html">PIX</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"pixa not found"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00200"></a>00200 <span class="keywordflow">return</span> <a class="code" href="leptprotos_8h.html#a3f62a77cf11114981267a6cf9918fc45">pixaGetPix</a>(pixa, i, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>);
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="comment"></span>
<a name="l00204"></a>00204 <span class="comment">/*!</span>
<a name="l00205"></a>00205 <span class="comment"> * bmfGetWidth()</span>
<a name="l00206"></a>00206 <span class="comment"> *</span>
<a name="l00207"></a>00207 <span class="comment"> * Input: bmf</span>
<a name="l00208"></a>00208 <span class="comment"> * chr (should be one of the 95 supported bitmaps)</span>
<a name="l00209"></a>00209 <span class="comment"> * &w (<return> character width; -1 if not printable)</span>
<a name="l00210"></a>00210 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00211"></a>00211 <span class="comment"> */</span>
<a name="l00212"></a>00212 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00213"></a><a class="code" href="leptprotos_8h.html#a5154051e105000de07d01f817c3d71bb">00213</a> <a class="code" href="bmf_8c.html#abb69ddf54a146f2fce9fea15f5915870">bmfGetWidth</a>(<a class="code" href="struct_l___bmf.html">L_BMF</a> *bmf,
<a name="l00214"></a>00214 <span class="keywordtype">char</span> chr,
<a name="l00215"></a>00215 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pw)
<a name="l00216"></a>00216 {
<a name="l00217"></a>00217 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, index;
<a name="l00218"></a>00218 <a class="code" href="struct_pix.html">PIX</a> *pix;
<a name="l00219"></a>00219 <a class="code" href="struct_pixa.html">PIXA</a> *pixa;
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"bmfGetWidth"</span>);
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <span class="keywordflow">if</span> (!pw)
<a name="l00224"></a>00224 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"&w not defined"</span>, procName, 1);
<a name="l00225"></a>00225 *pw = -1;
<a name="l00226"></a>00226 <span class="keywordflow">if</span> (!bmf)
<a name="l00227"></a>00227 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"bmf not defined"</span>, procName, 1);
<a name="l00228"></a>00228 <span class="keywordflow">if</span> ((index = (<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>)chr) == 10) <span class="comment">/* NL */</span>
<a name="l00229"></a>00229 <span class="keywordflow">return</span> 0;
<a name="l00230"></a>00230
<a name="l00231"></a>00231 i = bmf-><a class="code" href="struct_l___bmf.html#a4ac88f6b9996e240026a2da02f997469">fonttab</a>[index];
<a name="l00232"></a>00232 <span class="keywordflow">if</span> (i == <a class="code" href="environ_8h.html#abde25a67f4046530ae1c572cefeb5869">UNDEF</a>) {
<a name="l00233"></a>00233 <a class="code" href="environ_8h.html#a767a355e364ba0980565242f9f076533">L_ERROR_INT</a>(<span class="stringliteral">"no bitmap representation for %d"</span>, procName, index);
<a name="l00234"></a>00234 <span class="keywordflow">return</span> 1;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keywordflow">if</span> ((pixa = bmf-><a class="code" href="struct_l___bmf.html#a9790a20fb7026f6099456987d2b55519">pixa</a>) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00238"></a>00238 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"pixa not found"</span>, procName, 1);
<a name="l00239"></a>00239 <span class="keywordflow">if</span> ((pix = <a class="code" href="leptprotos_8h.html#a3f62a77cf11114981267a6cf9918fc45">pixaGetPix</a>(pixa, i, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>)) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00240"></a>00240 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"pix not found"</span>, procName, 1);
<a name="l00241"></a>00241 *pw = <a class="code" href="leptprotos_8h.html#aa71e0b02548a56e723c76996ab145257">pixGetWidth</a>(pix);
<a name="l00242"></a>00242 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pix);
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="keywordflow">return</span> 0;
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="comment"></span>
<a name="l00248"></a>00248 <span class="comment">/*!</span>
<a name="l00249"></a>00249 <span class="comment"> * bmfGetBaseline()</span>
<a name="l00250"></a>00250 <span class="comment"> *</span>
<a name="l00251"></a>00251 <span class="comment"> * Input: bmf</span>
<a name="l00252"></a>00252 <span class="comment"> * chr (should be one of the 95 supported bitmaps)</span>
<a name="l00253"></a>00253 <span class="comment"> * &baseline (<return>; distance below UL corner of bitmap char)</span>
<a name="l00254"></a>00254 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00255"></a>00255 <span class="comment"> */</span>
<a name="l00256"></a>00256 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00257"></a><a class="code" href="leptprotos_8h.html#a1f6b13fc839fa3ff7371eab3e066c7b9">00257</a> <a class="code" href="bmf_8c.html#af9f8863cae07bfe3bb2f5346bdf3ef74">bmfGetBaseline</a>(<a class="code" href="struct_l___bmf.html">L_BMF</a> *bmf,
<a name="l00258"></a>00258 <span class="keywordtype">char</span> chr,
<a name="l00259"></a>00259 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pbaseline)
<a name="l00260"></a>00260 {
<a name="l00261"></a>00261 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> bl, index;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"bmfGetBaseline"</span>);
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keywordflow">if</span> (!pbaseline)
<a name="l00266"></a>00266 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"&baseline not defined"</span>, procName, 1);
<a name="l00267"></a>00267 *pbaseline = 0;
<a name="l00268"></a>00268 <span class="keywordflow">if</span> (!bmf)
<a name="l00269"></a>00269 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"bmf not defined"</span>, procName, 1);
<a name="l00270"></a>00270 <span class="keywordflow">if</span> ((index = (<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>)chr) == 10) <span class="comment">/* NL */</span>
<a name="l00271"></a>00271 <span class="keywordflow">return</span> 0;
<a name="l00272"></a>00272
<a name="l00273"></a>00273 bl = bmf-><a class="code" href="struct_l___bmf.html#a178e62efebf00c1787264114f69d630e">baselinetab</a>[index];
<a name="l00274"></a>00274 <span class="keywordflow">if</span> (bl == <a class="code" href="environ_8h.html#abde25a67f4046530ae1c572cefeb5869">UNDEF</a>) {
<a name="l00275"></a>00275 <a class="code" href="environ_8h.html#a767a355e364ba0980565242f9f076533">L_ERROR_INT</a>(<span class="stringliteral">"no bitmap representation for %d"</span>, procName, index);
<a name="l00276"></a>00276 <span class="keywordflow">return</span> 1;
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278
<a name="l00279"></a>00279 *pbaseline = bl;
<a name="l00280"></a>00280 <span class="keywordflow">return</span> 0;
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="comment">/*---------------------------------------------------------------------*/</span>
<a name="l00285"></a>00285 <span class="comment">/* Font bitmap acquisition and generation */</span>
<a name="l00286"></a>00286 <span class="comment">/*---------------------------------------------------------------------*/</span><span class="comment"></span>
<a name="l00287"></a>00287 <span class="comment">/*!</span>
<a name="l00288"></a>00288 <span class="comment"> * pixaGetFont()</span>
<a name="l00289"></a>00289 <span class="comment"> *</span>
<a name="l00290"></a>00290 <span class="comment"> * Input: dir (directory holding pixa of character set)</span>
<a name="l00291"></a>00291 <span class="comment"> * size (4, 6, 8, ... , 20)</span>
<a name="l00292"></a>00292 <span class="comment"> * &bl1 (<return> baseline of row 1)</span>
<a name="l00293"></a>00293 <span class="comment"> * &bl2 (<return> baseline of row 2)</span>
<a name="l00294"></a>00294 <span class="comment"> * &bl3 (<return> baseline of row 3)</span>
<a name="l00295"></a>00295 <span class="comment"> * Return: pixa of font bitmaps for 95 characters, or null on error</span>
<a name="l00296"></a>00296 <span class="comment"> *</span>
<a name="l00297"></a>00297 <span class="comment"> * Notes:</span>
<a name="l00298"></a>00298 <span class="comment"> * (1) This reads a pre-computed pixa file with the 95 ascii chars.</span>
<a name="l00299"></a>00299 <span class="comment"> */</span>
<a name="l00300"></a>00300 <a class="code" href="struct_pixa.html">PIXA</a> *
<a name="l00301"></a><a class="code" href="leptprotos_8h.html#ab90b52843bd8b7b445ea38cbb18a878c">00301</a> <a class="code" href="bmf_8c.html#a6332fd3f4f3f3064ad549c794db25447">pixaGetFont</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *dir,
<a name="l00302"></a>00302 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="warper__reg_8c.html#a711275dc7bbe85bb6fa721bc60b8637c">size</a>,
<a name="l00303"></a>00303 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pbl0,
<a name="l00304"></a>00304 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pbl1,
<a name="l00305"></a>00305 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pbl2)
<a name="l00306"></a>00306 {
<a name="l00307"></a>00307 <span class="keywordtype">char</span> *pathname;
<a name="l00308"></a>00308 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> fileno;
<a name="l00309"></a>00309 <a class="code" href="struct_pixa.html">PIXA</a> *pixa;
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"pixaGetFont"</span>);
<a name="l00312"></a>00312
<a name="l00313"></a>00313 fileno = (size / 2) - 2;
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (fileno < 0 || fileno > <a class="code" href="bmf_8c.html#a99f2f555ff1f178241a5521b821af951">NFONTS</a>)
<a name="l00315"></a>00315 <span class="keywordflow">return</span> (<a class="code" href="struct_pixa.html">PIXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"font size invalid"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00316"></a>00316 <span class="keywordflow">if</span> (!pbl0 || !pbl1 || !pbl2)
<a name="l00317"></a>00317 <span class="keywordflow">return</span> (<a class="code" href="struct_pixa.html">PIXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"&bl not all defined"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00318"></a>00318 *pbl0 = <a class="code" href="bmf_8c.html#a18a519a9b98a53af96ac9b1275368a3e">baselines</a>[fileno][0];
<a name="l00319"></a>00319 *pbl1 = <a class="code" href="bmf_8c.html#a18a519a9b98a53af96ac9b1275368a3e">baselines</a>[fileno][1];
<a name="l00320"></a>00320 *pbl2 = <a class="code" href="bmf_8c.html#a18a519a9b98a53af96ac9b1275368a3e">baselines</a>[fileno][2];
<a name="l00321"></a>00321
<a name="l00322"></a>00322 pathname = <a class="code" href="leptprotos_8h.html#af7b8982452cbe0ac76dd55b6a4c6d37b">genPathname</a>(dir, <a class="code" href="bmf_8c.html#aa499d6d4472c8b13000650509f6299f2">outputfonts</a>[fileno]);
<a name="l00323"></a>00323 pixa = <a class="code" href="leptprotos_8h.html#a0ef012fa45f11ae2746f4b639ba8973b">pixaRead</a>(pathname);
<a name="l00324"></a>00324 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(pathname);
<a name="l00325"></a>00325
<a name="l00326"></a>00326 <span class="keywordflow">if</span> (!pixa)
<a name="l00327"></a>00327 <a class="code" href="environ_8h.html#a80ea4add6888dc55f0f6af9c488f1f21">L_WARNING</a>(<span class="stringliteral">"pixa of char bitmaps not found"</span>, procName);
<a name="l00328"></a>00328 <span class="keywordflow">return</span> pixa;
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="comment"></span>
<a name="l00332"></a>00332 <span class="comment">/*!</span>
<a name="l00333"></a>00333 <span class="comment"> * pixaSaveFont()</span>
<a name="l00334"></a>00334 <span class="comment"> *</span>
<a name="l00335"></a>00335 <span class="comment"> * Input: indir (directory holding image of character set)</span>
<a name="l00336"></a>00336 <span class="comment"> * outdir (directory into which the output pixa file</span>
<a name="l00337"></a>00337 <span class="comment"> * will be written)</span>
<a name="l00338"></a>00338 <span class="comment"> * size (in pts, at 300 ppi)</span>
<a name="l00339"></a>00339 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00340"></a>00340 <span class="comment"> *</span>
<a name="l00341"></a>00341 <span class="comment"> * Notes:</span>
<a name="l00342"></a>00342 <span class="comment"> * (1) This saves a font of a particular size.</span>
<a name="l00343"></a>00343 <span class="comment"> * (2) prog/genfonts calls this function for each of the</span>
<a name="l00344"></a>00344 <span class="comment"> * nine font sizes, to generate all the font pixa files.</span>
<a name="l00345"></a>00345 <span class="comment"> */</span>
<a name="l00346"></a>00346 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00347"></a><a class="code" href="leptprotos_8h.html#a8067fc16de52a30bb84ac292452863c6">00347</a> <a class="code" href="bmf_8c.html#afe26ba66d721b7e548c6aecadc7cddac">pixaSaveFont</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *indir,
<a name="l00348"></a>00348 <span class="keyword">const</span> <span class="keywordtype">char</span> *outdir,
<a name="l00349"></a>00349 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="warper__reg_8c.html#a711275dc7bbe85bb6fa721bc60b8637c">size</a>)
<a name="l00350"></a>00350 {
<a name="l00351"></a>00351 <span class="keywordtype">char</span> *pathname;
<a name="l00352"></a>00352 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> bl1, bl2, bl3;
<a name="l00353"></a>00353 <a class="code" href="struct_pixa.html">PIXA</a> *pixa;
<a name="l00354"></a>00354
<a name="l00355"></a>00355 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"pixaSaveFont"</span>);
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <span class="keywordflow">if</span> (size < 4 || size > 20 || (size % 2))
<a name="l00358"></a>00358 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"size must be in {4, 6, ..., 20}"</span>, procName, 1);
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="keywordflow">if</span> ((pixa = <a class="code" href="bmf_8c.html#ae8e23002ba3a5bf28e7898ef68d45ea7">pixaGenerateFont</a>(indir, size, &bl1, &bl2, &bl3)) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00361"></a>00361 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"pixa not made"</span>, procName, 1);
<a name="l00362"></a>00362 pathname = <a class="code" href="leptprotos_8h.html#af7b8982452cbe0ac76dd55b6a4c6d37b">genPathname</a>(outdir, <a class="code" href="bmf_8c.html#aa499d6d4472c8b13000650509f6299f2">outputfonts</a>[(size - 4) / 2]);
<a name="l00363"></a>00363 <a class="code" href="leptprotos_8h.html#ad46505ddd5054d9ac854ce7a2d7d7881">pixaWrite</a>(pathname, pixa);
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <span class="preprocessor">#if DEBUG_FONT_GEN</span>
<a name="l00366"></a>00366 <span class="preprocessor"></span> fprintf(stderr, <span class="stringliteral">"Found %d chars in font size %d\n"</span>,
<a name="l00367"></a>00367 <a class="code" href="leptprotos_8h.html#a098d32e94acc16c5d6e91a930a4b45ff">pixaGetCount</a>(pixa), size);
<a name="l00368"></a>00368 fprintf(stderr, <span class="stringliteral">"Baselines are at: %d, %d, %d\n"</span>, bl1, bl2, bl3);
<a name="l00369"></a>00369 <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_FONT_GEN */</span>
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(pathname);
<a name="l00372"></a>00372 <a class="code" href="leptprotos_8h.html#a6775cff91fdef2336a3f3037f7bb55f3">pixaDestroy</a>(&pixa);
<a name="l00373"></a>00373 <span class="keywordflow">return</span> 0;
<a name="l00374"></a>00374 }
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="comment"></span>
<a name="l00377"></a>00377 <span class="comment">/*!</span>
<a name="l00378"></a>00378 <span class="comment"> * pixaGenerateFont()</span>
<a name="l00379"></a>00379 <span class="comment"> *</span>
<a name="l00380"></a>00380 <span class="comment"> * Input: dir (directory holding image of character set)</span>
<a name="l00381"></a>00381 <span class="comment"> * size (4, 6, 8, ... , 20, in pts at 300 ppi)</span>
<a name="l00382"></a>00382 <span class="comment"> * &bl1 (<return> baseline of row 1)</span>
<a name="l00383"></a>00383 <span class="comment"> * &bl2 (<return> baseline of row 2)</span>
<a name="l00384"></a>00384 <span class="comment"> * &bl3 (<return> baseline of row 3)</span>
<a name="l00385"></a>00385 <span class="comment"> * Return: pixa of font bitmaps for 95 characters, or null on error</span>
<a name="l00386"></a>00386 <span class="comment"> *</span>
<a name="l00387"></a>00387 <span class="comment"> * These font generation functions use 9 sets, each with bitmaps</span>
<a name="l00388"></a>00388 <span class="comment"> * of 94 ascii characters, all in Palatino-Roman font.</span>
<a name="l00389"></a>00389 <span class="comment"> * Each input bitmap has 3 rows of characters. The range of</span>
<a name="l00390"></a>00390 <span class="comment"> * ascii values in each row is as follows:</span>
<a name="l00391"></a>00391 <span class="comment"> * row 0: 32-57 (32 is a space)</span>
<a name="l00392"></a>00392 <span class="comment"> * row 1: 58-91 (92, '\', is not represented in this font)</span>
<a name="l00393"></a>00393 <span class="comment"> * row 2: 93-126 </span>
<a name="l00394"></a>00394 <span class="comment"> * We LR flip the '/' char to generate a bitmap for the missing</span>
<a name="l00395"></a>00395 <span class="comment"> * '\' character, so that we have representations of all 95</span>
<a name="l00396"></a>00396 <span class="comment"> * printable chars.</span>
<a name="l00397"></a>00397 <span class="comment"> *</span>
<a name="l00398"></a>00398 <span class="comment"> * Computation of the bitmaps and baselines for a single</span>
<a name="l00399"></a>00399 <span class="comment"> * font takes from 40 to 200 msec on a 2 GHz processor,</span>
<a name="l00400"></a>00400 <span class="comment"> * depending on the size. Use pixaGetFont() to read the</span>
<a name="l00401"></a>00401 <span class="comment"> * generated character set directly from files that were</span>
<a name="l00402"></a>00402 <span class="comment"> * produced in prog/genfonts.c using this function.</span>
<a name="l00403"></a>00403 <span class="comment"> */</span>
<a name="l00404"></a>00404 <a class="code" href="struct_pixa.html">PIXA</a> *
<a name="l00405"></a><a class="code" href="leptprotos_8h.html#aa1464818ebba9dbb5b0a309e73682f07">00405</a> <a class="code" href="bmf_8c.html#ae8e23002ba3a5bf28e7898ef68d45ea7">pixaGenerateFont</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *dir,
<a name="l00406"></a>00406 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="warper__reg_8c.html#a711275dc7bbe85bb6fa721bc60b8637c">size</a>,
<a name="l00407"></a>00407 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pbl0,
<a name="l00408"></a>00408 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pbl1,
<a name="l00409"></a>00409 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *pbl2)
<a name="l00410"></a>00410 {
<a name="l00411"></a>00411 <span class="keywordtype">char</span> *pathname;
<a name="l00412"></a>00412 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> fileno;
<a name="l00413"></a>00413 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, j, nrows, nrowchars, nchars, h, yval;
<a name="l00414"></a>00414 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> width, height;
<a name="l00415"></a>00415 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> baseline[3];
<a name="l00416"></a>00416 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *tab;
<a name="l00417"></a>00417 <a class="code" href="struct_box.html">BOX</a> *box, *box1, *box2;
<a name="l00418"></a>00418 <a class="code" href="struct_boxa.html">BOXA</a> *boxar, *boxac, *boxacs;
<a name="l00419"></a>00419 <a class="code" href="struct_pix.html">PIX</a> *pixs, *pixt1, *pixt2, *pixt3;
<a name="l00420"></a>00420 <a class="code" href="struct_pix.html">PIX</a> *pixr, *pixrc, *pixc;
<a name="l00421"></a>00421 <a class="code" href="struct_pixa.html">PIXA</a> *pixa;
<a name="l00422"></a>00422
<a name="l00423"></a>00423 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"pixaGenerateFont"</span>);
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <span class="keywordflow">if</span> (!pbl0 || !pbl1 || !pbl2)
<a name="l00426"></a>00426 <span class="keywordflow">return</span> (<a class="code" href="struct_pixa.html">PIXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"&bl not all defined"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00427"></a>00427 *pbl0 = *pbl1 = *pbl2 = 0;
<a name="l00428"></a>00428
<a name="l00429"></a>00429 fileno = (size / 2) - 2;
<a name="l00430"></a>00430 <span class="keywordflow">if</span> (fileno < 0 || fileno > <a class="code" href="bmf_8c.html#a99f2f555ff1f178241a5521b821af951">NFONTS</a>)
<a name="l00431"></a>00431 <span class="keywordflow">return</span> (<a class="code" href="struct_pixa.html">PIXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"font size invalid"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00432"></a>00432 tab = <a class="code" href="leptprotos_8h.html#a230d6654519b5c847e49798b37cd5d1d">makePixelSumTab8</a>();
<a name="l00433"></a>00433 pathname = <a class="code" href="leptprotos_8h.html#af7b8982452cbe0ac76dd55b6a4c6d37b">genPathname</a>(dir, <a class="code" href="bmf_8c.html#a48908b2f32cb1c7f68d2d990e28239ab">inputfonts</a>[fileno]);
<a name="l00434"></a>00434 <span class="keywordflow">if</span> ((pixs = <a class="code" href="leptprotos_8h.html#a84634846cbb5e01df667d6e9241dfc53">pixRead</a>(pathname)) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00435"></a>00435 <span class="keywordflow">return</span> (<a class="code" href="struct_pixa.html">PIXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"pixs not all defined"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00436"></a>00436 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(pathname);
<a name="l00437"></a>00437
<a name="l00438"></a>00438 pixa = <a class="code" href="leptprotos_8h.html#a7a6d1b9b5457c3dc9bc8f77a39a81147">pixaCreate</a>(95);
<a name="l00439"></a>00439 pixt1 = <a class="code" href="leptprotos_8h.html#aac143671b2099c1306d08047e9caf097">pixMorphSequence</a>(pixs, <span class="stringliteral">"c1.35 + c101.1"</span>, 0);
<a name="l00440"></a>00440 boxar = <a class="code" href="conncomp_8c.html#a31a8af5ee8d794de01c31eff7697bb44">pixConnComp</a>(pixt1, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, 8); <span class="comment">/* one box for each row */</span>
<a name="l00441"></a>00441 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00442"></a>00442 nrows = <a class="code" href="boxbasic_8c.html#a82555cab9ef5578c4728ef5109264723">boxaGetCount</a>(boxar);
<a name="l00443"></a>00443 <span class="preprocessor">#if DEBUG_FONT_GEN</span>
<a name="l00444"></a>00444 <span class="preprocessor"></span> fprintf(stderr, <span class="stringliteral">"For font %s, number of rows is %d\n"</span>,
<a name="l00445"></a>00445 <a class="code" href="bmf_8c.html#a48908b2f32cb1c7f68d2d990e28239ab">inputfonts</a>[fileno], nrows);
<a name="l00446"></a>00446 <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_FONT_GEN */</span>
<a name="l00447"></a>00447 <span class="keywordflow">if</span> (nrows != 3) {
<a name="l00448"></a>00448 <a class="code" href="environ_8h.html#a41b7fa665d92d96c44709180605f05df">L_INFO_INT2</a>(<span class="stringliteral">"nrows = %d; skipping font %d"</span>, procName, nrows, fileno);
<a name="l00449"></a>00449 <span class="keywordflow">return</span> (<a class="code" href="struct_pixa.html">PIXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"3 rows not generated"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451 <span class="keywordflow">for</span> (i = 0; i < nrows; i++) {
<a name="l00452"></a>00452 box = <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(boxar, i, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>);
<a name="l00453"></a>00453 pixr = <a class="code" href="leptprotos_8h.html#a679fd22fd63f9c368f4417c0a2a11b2a">pixClipRectangle</a>(pixs, box, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>); <span class="comment">/* row of chars */</span>
<a name="l00454"></a>00454 <a class="code" href="bmf_8c.html#ab97059919a3e12ea5962597888f64c4e">pixGetTextBaseline</a>(pixr, tab, &yval);
<a name="l00455"></a>00455 baseline[i] = yval;
<a name="l00456"></a>00456
<a name="l00457"></a>00457 <span class="preprocessor">#if DEBUG_BASELINE</span>
<a name="l00458"></a>00458 <span class="preprocessor"></span> { <a class="code" href="struct_pix.html">PIX</a> *pixbl;
<a name="l00459"></a>00459 fprintf(stderr, <span class="stringliteral">"row %d, yval = %d, h = %d\n"</span>,
<a name="l00460"></a>00460 i, yval, <a class="code" href="leptprotos_8h.html#a511e60efcf1d9f3f59b5308ef5f49a06">pixGetHeight</a>(pixr));
<a name="l00461"></a>00461 pixbl = <a class="code" href="leptprotos_8h.html#a421e342a65236aa6770965d34101e0ee">pixCopy</a>(<a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, pixr);
<a name="l00462"></a>00462 <a class="code" href="graphics_8c.html#a2ad6646f605b52b69ffb848bb7c21de7">pixRenderLine</a>(pixbl, 0, yval, <a class="code" href="leptprotos_8h.html#aa71e0b02548a56e723c76996ab145257">pixGetWidth</a>(pixbl), yval, 1,
<a name="l00463"></a>00463 <a class="code" href="pix_8h.html#a4caf8d8f829279fba122163d961608a4a1afdfbc520db1023ba8a02f5abc12208">L_FLIP_PIXELS</a>);
<a name="l00464"></a>00464 <span class="keywordflow">if</span> (i == 0 )
<a name="l00465"></a>00465 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"junktl0"</span>, pixbl, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00466"></a>00466 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i == 1)
<a name="l00467"></a>00467 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"junktl1"</span>, pixbl, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00468"></a>00468 <span class="keywordflow">else</span>
<a name="l00469"></a>00469 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"junktl2"</span>, pixbl, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00470"></a>00470 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixbl);
<a name="l00471"></a>00471 }
<a name="l00472"></a>00472 <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_BASELINE */</span>
<a name="l00473"></a>00473
<a name="l00474"></a>00474 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&box);
<a name="l00475"></a>00475 pixrc = <a class="code" href="leptprotos_8h.html#a96140c15ecc389ccff273df973645c2a">pixCloseSafeBrick</a>(<a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, pixr, 1, 35);
<a name="l00476"></a>00476 boxac = <a class="code" href="conncomp_8c.html#a31a8af5ee8d794de01c31eff7697bb44">pixConnComp</a>(pixrc, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, 8);
<a name="l00477"></a>00477 boxacs = <a class="code" href="boxfunc2_8c.html#acdccb94898da554da1649680d08e8ca4">boxaSort</a>(boxac, <a class="code" href="pix_8h.html#a0ed680fdb405e7195d9f14032851eebbad3710ffce74fb0d1ec5392580ed7f1ed">L_SORT_BY_X</a>, <a class="code" href="pix_8h.html#aac34dfe6c6b73b43a4656c9dce041034aebb98a341bb5e7ff822c60ceb253a894">L_SORT_INCREASING</a>, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00478"></a>00478 <span class="keywordflow">if</span> (i == 0) { <span class="comment">/* consolidate the two components of '"' */</span>
<a name="l00479"></a>00479 box1 = <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(boxacs, 1, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>);
<a name="l00480"></a>00480 box2 = <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(boxacs, 2, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>);
<a name="l00481"></a>00481 box1-><a class="code" href="struct_box.html#a9fbf76549616b28f2cf2cdaadc36e873">w</a> = box2-><a class="code" href="struct_box.html#a918a321b665118b5f33c49a6c5e0d915">x</a> + box2-><a class="code" href="struct_box.html#a9fbf76549616b28f2cf2cdaadc36e873">w</a> - box1-><a class="code" href="struct_box.html#a918a321b665118b5f33c49a6c5e0d915">x</a>; <span class="comment">/* increase width */</span>
<a name="l00482"></a>00482 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&box1);
<a name="l00483"></a>00483 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&box2);
<a name="l00484"></a>00484 <a class="code" href="boxbasic_8c.html#a41033e892b45e63595ac076c2feb7240">boxaRemoveBox</a>(boxacs, 2);
<a name="l00485"></a>00485 }
<a name="l00486"></a>00486 h = <a class="code" href="leptprotos_8h.html#a511e60efcf1d9f3f59b5308ef5f49a06">pixGetHeight</a>(pixr);
<a name="l00487"></a>00487 nrowchars = <a class="code" href="boxbasic_8c.html#a82555cab9ef5578c4728ef5109264723">boxaGetCount</a>(boxacs);
<a name="l00488"></a>00488 <span class="keywordflow">for</span> (j = 0; j < nrowchars; j++) {
<a name="l00489"></a>00489 box = <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(boxacs, j, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa5d4fddf26f28ac80063028939562e17d">L_COPY</a>);
<a name="l00490"></a>00490 <span class="keywordflow">if</span> (box-><a class="code" href="struct_box.html#a9fbf76549616b28f2cf2cdaadc36e873">w</a> <= 2 && box-><a class="code" href="struct_box.html#aa5401403bdb02ce4d66c5d6e108a3019">h</a> == 1) { <span class="comment">/* skip 1x1, 2x1 components */</span>
<a name="l00491"></a>00491 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&box);
<a name="l00492"></a>00492 <span class="keywordflow">continue</span>;
<a name="l00493"></a>00493 }
<a name="l00494"></a>00494 box-><a class="code" href="struct_box.html#a80f9dfc594b303c4a45c2d74c9186177">y</a> = 0;
<a name="l00495"></a>00495 box-><a class="code" href="struct_box.html#aa5401403bdb02ce4d66c5d6e108a3019">h</a> = h - 1;
<a name="l00496"></a>00496 pixc = <a class="code" href="leptprotos_8h.html#a679fd22fd63f9c368f4417c0a2a11b2a">pixClipRectangle</a>(pixr, box, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00497"></a>00497 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&box);
<a name="l00498"></a>00498 <span class="keywordflow">if</span> (i == 0 && j == 0) <span class="comment">/* add a pix for the space; change later */</span>
<a name="l00499"></a>00499 <a class="code" href="leptprotos_8h.html#a4dd659e18d878e2f3b900c2565b61ccc">pixaAddPix</a>(pixa, pixc, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa5d4fddf26f28ac80063028939562e17d">L_COPY</a>);
<a name="l00500"></a>00500 <span class="keywordflow">if</span> (i == 2 && j == 0) <span class="comment">/* add a pix for the '\'; change later */</span>
<a name="l00501"></a>00501 <a class="code" href="leptprotos_8h.html#a4dd659e18d878e2f3b900c2565b61ccc">pixaAddPix</a>(pixa, pixc, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa5d4fddf26f28ac80063028939562e17d">L_COPY</a>);
<a name="l00502"></a>00502 <a class="code" href="leptprotos_8h.html#a4dd659e18d878e2f3b900c2565b61ccc">pixaAddPix</a>(pixa, pixc, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fac1bdfee98ef4dbb3637c7d329cc460a3">L_INSERT</a>);
<a name="l00503"></a>00503 }
<a name="l00504"></a>00504 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixr);
<a name="l00505"></a>00505 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixrc);
<a name="l00506"></a>00506 <a class="code" href="boxbasic_8c.html#ab61d85b07650c3e6c004878d8653b39a">boxaDestroy</a>(&boxac);
<a name="l00507"></a>00507 <a class="code" href="boxbasic_8c.html#ab61d85b07650c3e6c004878d8653b39a">boxaDestroy</a>(&boxacs);
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509
<a name="l00510"></a>00510 nchars = <a class="code" href="leptprotos_8h.html#a098d32e94acc16c5d6e91a930a4b45ff">pixaGetCount</a>(pixa);
<a name="l00511"></a>00511 <span class="keywordflow">if</span> (nchars != 95)
<a name="l00512"></a>00512 <span class="keywordflow">return</span> (<a class="code" href="struct_pixa.html">PIXA</a> *)<a class="code" href="environ_8h.html#a38a8310a83847948c9ce6620983be468">ERROR_PTR</a>(<span class="stringliteral">"95 chars not generated"</span>, procName, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00513"></a>00513
<a name="l00514"></a>00514 *pbl0 = baseline[0];
<a name="l00515"></a>00515 *pbl1 = baseline[1];
<a name="l00516"></a>00516 *pbl2 = baseline[2];
<a name="l00517"></a>00517
<a name="l00518"></a>00518 <span class="comment">/* Fix the space character up; it should have no ON pixels,</span>
<a name="l00519"></a>00519 <span class="comment"> * and be about twice as wide as the '!' character. */</span>
<a name="l00520"></a>00520 pixt2 = <a class="code" href="leptprotos_8h.html#a3f62a77cf11114981267a6cf9918fc45">pixaGetPix</a>(pixa, 0, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>);
<a name="l00521"></a>00521 width = 2 * <a class="code" href="leptprotos_8h.html#aa71e0b02548a56e723c76996ab145257">pixGetWidth</a>(pixt2);
<a name="l00522"></a>00522 height = <a class="code" href="leptprotos_8h.html#a511e60efcf1d9f3f59b5308ef5f49a06">pixGetHeight</a>(pixt2);
<a name="l00523"></a>00523 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt2);
<a name="l00524"></a>00524 pixt2 = <a class="code" href="leptprotos_8h.html#a009df4671d39f94b50a0368af210aebe">pixCreate</a>(width, height, 1);
<a name="l00525"></a>00525 <a class="code" href="leptprotos_8h.html#a7d50abda5c58501aa81a6db8852e6bb4">pixaReplacePix</a>(pixa, 0, pixt2, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00526"></a>00526
<a name="l00527"></a>00527 <span class="comment">/* Fix up the '\' character; use a LR flip of the '/' char */</span>
<a name="l00528"></a>00528 pixt2 = <a class="code" href="leptprotos_8h.html#a3f62a77cf11114981267a6cf9918fc45">pixaGetPix</a>(pixa, 15, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>);
<a name="l00529"></a>00529 pixt3 = <a class="code" href="leptprotos_8h.html#aec95df2eda22ced27f2e7493d8fb9843">pixFlipLR</a>(<a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, pixt2);
<a name="l00530"></a>00530 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt2);
<a name="l00531"></a>00531 <a class="code" href="leptprotos_8h.html#a7d50abda5c58501aa81a6db8852e6bb4">pixaReplacePix</a>(pixa, 60, pixt3, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00532"></a>00532
<a name="l00533"></a>00533 <span class="preprocessor">#if DEBUG_CHARS</span>
<a name="l00534"></a>00534 <span class="preprocessor"></span> { <a class="code" href="struct_pix.html">PIX</a> *pixd;
<a name="l00535"></a>00535 pixd = <a class="code" href="leptprotos_8h.html#ad08c37c1c12e172d74e8d17a531c7d48">pixaDisplayTiled</a>(pixa, 1500, 0, 10);
<a name="l00536"></a>00536 <a class="code" href="leptprotos_8h.html#ae8a779aa459f8d1c386363bf2a5c06f5">pixDisplay</a>(pixd, 100 * i, 200);
<a name="l00537"></a>00537 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixd);
<a name="l00538"></a>00538 }
<a name="l00539"></a>00539 <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_CHARS */</span>
<a name="l00540"></a>00540
<a name="l00541"></a>00541 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixs);
<a name="l00542"></a>00542 <a class="code" href="boxbasic_8c.html#ab61d85b07650c3e6c004878d8653b39a">boxaDestroy</a>(&boxar);
<a name="l00543"></a>00543 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(tab);
<a name="l00544"></a>00544
<a name="l00545"></a>00545 <span class="keywordflow">return</span> pixa;
<a name="l00546"></a>00546 }
<a name="l00547"></a>00547
<a name="l00548"></a>00548 <span class="comment"></span>
<a name="l00549"></a>00549 <span class="comment">/*!</span>
<a name="l00550"></a>00550 <span class="comment"> * pixGetTextBaseline()</span>
<a name="l00551"></a>00551 <span class="comment"> *</span>
<a name="l00552"></a>00552 <span class="comment"> * Input: pixs (1 bpp, one textline character set)</span>
<a name="l00553"></a>00553 <span class="comment"> * tab8 (<optional> pixel sum table)</span>
<a name="l00554"></a>00554 <span class="comment"> * &y (<return> baseline value)</span>
<a name="l00555"></a>00555 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00556"></a>00556 <span class="comment"> *</span>
<a name="l00557"></a>00557 <span class="comment"> * Notes:</span>
<a name="l00558"></a>00558 <span class="comment"> * (1) Method: find the largest difference in pixel sums from one</span>
<a name="l00559"></a>00559 <span class="comment"> * raster line to the next one below it. The baseline is the</span>
<a name="l00560"></a>00560 <span class="comment"> * upper raster line for the pair of raster lines that</span>
<a name="l00561"></a>00561 <span class="comment"> * maximizes this function.</span>
<a name="l00562"></a>00562 <span class="comment"> */</span>
<a name="l00563"></a>00563 <span class="keyword">static</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00564"></a><a class="code" href="bmf_8c.html#ab97059919a3e12ea5962597888f64c4e">00564</a> <a class="code" href="bmf_8c.html#ab97059919a3e12ea5962597888f64c4e">pixGetTextBaseline</a>(<a class="code" href="struct_pix.html">PIX</a> *pixs,
<a name="l00565"></a>00565 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *tab8,
<a name="l00566"></a>00566 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *py)
<a name="l00567"></a>00567 {
<a name="l00568"></a>00568 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, h, val1, val2, diff, diffmax, ymax;
<a name="l00569"></a>00569 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *tab;
<a name="l00570"></a>00570 <a class="code" href="struct_numa.html">NUMA</a> *na;
<a name="l00571"></a>00571
<a name="l00572"></a>00572 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"pixGetTextBaseline"</span>);
<a name="l00573"></a>00573
<a name="l00574"></a>00574 <span class="keywordflow">if</span> (!pixs)
<a name="l00575"></a>00575 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"pixs not defined"</span>, procName, 1);
<a name="l00576"></a>00576 <span class="keywordflow">if</span> (!py)
<a name="l00577"></a>00577 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"&y not defined"</span>, procName, 1);
<a name="l00578"></a>00578 *py = 0;
<a name="l00579"></a>00579 <span class="keywordflow">if</span> (!tab8)
<a name="l00580"></a>00580 tab = <a class="code" href="leptprotos_8h.html#a230d6654519b5c847e49798b37cd5d1d">makePixelSumTab8</a>();
<a name="l00581"></a>00581 <span class="keywordflow">else</span>
<a name="l00582"></a>00582 tab = tab8;
<a name="l00583"></a>00583
<a name="l00584"></a>00584 na = <a class="code" href="leptprotos_8h.html#a322523067ceb625344682f5969fd215e">pixCountPixelsByRow</a>(pixs, tab);
<a name="l00585"></a>00585 h = <a class="code" href="leptprotos_8h.html#a3d022536ec48f28421c56f586d697295">numaGetCount</a>(na);
<a name="l00586"></a>00586 diffmax = 0;
<a name="l00587"></a>00587 ymax = 0;
<a name="l00588"></a>00588 <span class="keywordflow">for</span> (i = 1; i < h; i++) {
<a name="l00589"></a>00589 <a class="code" href="leptprotos_8h.html#af59481588f8640c51cb411f6cff18d3c">numaGetIValue</a>(na, i - 1, &val1);
<a name="l00590"></a>00590 <a class="code" href="leptprotos_8h.html#af59481588f8640c51cb411f6cff18d3c">numaGetIValue</a>(na, i, &val2);
<a name="l00591"></a>00591 diff = <a class="code" href="environ_8h.html#a806d5df14d476263788e0a67d3615b4d">L_MAX</a>(0, val1 - val2);
<a name="l00592"></a>00592 <span class="keywordflow">if</span> (diff > diffmax) {
<a name="l00593"></a>00593 diffmax = diff;
<a name="l00594"></a>00594 ymax = i - 1; <span class="comment">/* upper raster line */</span>
<a name="l00595"></a>00595 }
<a name="l00596"></a>00596 }
<a name="l00597"></a>00597 *py = ymax;
<a name="l00598"></a>00598
<a name="l00599"></a>00599 <span class="keywordflow">if</span> (!tab8)
<a name="l00600"></a>00600 <a class="code" href="environ_8h.html#a105949c59c998e38aad80266afac92bf">FREE</a>(tab);
<a name="l00601"></a>00601 <a class="code" href="leptprotos_8h.html#aba8d7e230092813965301cca699a6ebc">numaDestroy</a>(&na);
<a name="l00602"></a>00602 <span class="keywordflow">return</span> 0;
<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"> * bmfMakeAsciiTables</span>
<a name="l00608"></a>00608 <span class="comment"> *</span>
<a name="l00609"></a>00609 <span class="comment"> * Input: bmf</span>
<a name="l00610"></a>00610 <span class="comment"> * Return: 0 if OK, 1 on error</span>
<a name="l00611"></a>00611 <span class="comment"> *</span>
<a name="l00612"></a>00612 <span class="comment"> * Notes:</span>
<a name="l00613"></a>00613 <span class="comment"> * (1) This makes three tables, each of size 128, as follows:</span>
<a name="l00614"></a>00614 <span class="comment"> * - fonttab is a table containing the index of the Pix</span>
<a name="l00615"></a>00615 <span class="comment"> * that corresponds to each input ascii character;</span>
<a name="l00616"></a>00616 <span class="comment"> * it maps (ascii-index) --> Pixa index</span>
<a name="l00617"></a>00617 <span class="comment"> * - baselinetab is a table containing the baseline offset</span>
<a name="l00618"></a>00618 <span class="comment"> * for the Pix that corresponds to each input ascii character;</span>
<a name="l00619"></a>00619 <span class="comment"> * it maps (ascii-index) --> baseline offset</span>
<a name="l00620"></a>00620 <span class="comment"> * - widthtab is a table containing the character width in</span>
<a name="l00621"></a>00621 <span class="comment"> * pixels for the Pix that corresponds to that character;</span>
<a name="l00622"></a>00622 <span class="comment"> * it maps (ascii-index) --> bitmap width</span>
<a name="l00623"></a>00623 <span class="comment"> * (2) This also computes</span>
<a name="l00624"></a>00624 <span class="comment"> * - lineheight (sum of maximum character extensions above and</span>
<a name="l00625"></a>00625 <span class="comment"> * below the baseline)</span>
<a name="l00626"></a>00626 <span class="comment"> * - kernwidth (spacing between characters within a word)</span>
<a name="l00627"></a>00627 <span class="comment"> * - spacewidth (space between words)</span>
<a name="l00628"></a>00628 <span class="comment"> * - vertlinesep (extra vertical spacing between textlines)</span>
<a name="l00629"></a>00629 <span class="comment"> * (3) The baselines apply as follows:</span>
<a name="l00630"></a>00630 <span class="comment"> * baseline1 (ascii 32 - 57), ascii 92</span>
<a name="l00631"></a>00631 <span class="comment"> * baseline2 (ascii 58 - 91)</span>
<a name="l00632"></a>00632 <span class="comment"> * baseline3 (ascii 93 - 126)</span>
<a name="l00633"></a>00633 <span class="comment"> * (4) The only array in bmf that is not ascii-based is the</span>
<a name="l00634"></a>00634 <span class="comment"> * array of bitmaps in the pixa, which starts at ascii 32.</span>
<a name="l00635"></a>00635 <span class="comment"> */</span>
<a name="l00636"></a>00636 <span class="keyword">static</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00637"></a><a class="code" href="bmf_8c.html#a91d2def350f73015c6f5a274bc362349">00637</a> <a class="code" href="bmf_8c.html#a91d2def350f73015c6f5a274bc362349">bmfMakeAsciiTables</a>(<a class="code" href="struct_l___bmf.html">L_BMF</a> *bmf)
<a name="l00638"></a>00638 {
<a name="l00639"></a>00639 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, maxh, height, charwidth, xwidth, kernwidth;
<a name="l00640"></a>00640 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *fonttab, *baselinetab, *widthtab;
<a name="l00641"></a>00641 <a class="code" href="struct_pix.html">PIX</a> *pix;
<a name="l00642"></a>00642
<a name="l00643"></a>00643 <a class="code" href="environ_8h.html#a1a16952819bcbc526c998e3ac86f2e78">PROCNAME</a>(<span class="stringliteral">"bmfMakeAsciiTables"</span>);
<a name="l00644"></a>00644
<a name="l00645"></a>00645 <span class="keywordflow">if</span> (!bmf)
<a name="l00646"></a>00646 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"bmf not defined"</span>, procName, 1);
<a name="l00647"></a>00647
<a name="l00648"></a>00648 <span class="comment">/* First get the fonttab; we use this later for the char widths */</span>
<a name="l00649"></a>00649 <span class="keywordflow">if</span> ((fonttab = (<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *)<a class="code" href="environ_8h.html#abc24891c647be0bd23e233d013175da0">CALLOC</a>(128, <span class="keyword">sizeof</span>(<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>))) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00650"></a>00650 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"fonttab not made"</span>, procName, 1);
<a name="l00651"></a>00651 bmf-><a class="code" href="struct_l___bmf.html#a4ac88f6b9996e240026a2da02f997469">fonttab</a> = fonttab;
<a name="l00652"></a>00652 <span class="keywordflow">for</span> (i = 0; i < 128; i++)
<a name="l00653"></a>00653 fonttab[i] = <a class="code" href="environ_8h.html#abde25a67f4046530ae1c572cefeb5869">UNDEF</a>;
<a name="l00654"></a>00654 <span class="keywordflow">for</span> (i = 32; i < 127; i++)
<a name="l00655"></a>00655 fonttab[i] = i - 32;
<a name="l00656"></a>00656
<a name="l00657"></a>00657 <span class="keywordflow">if</span> ((baselinetab = (<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *)<a class="code" href="environ_8h.html#abc24891c647be0bd23e233d013175da0">CALLOC</a>(128, <span class="keyword">sizeof</span>(<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>))) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00658"></a>00658 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"baselinetab not made"</span>, procName, 1);
<a name="l00659"></a>00659 bmf-><a class="code" href="struct_l___bmf.html#a178e62efebf00c1787264114f69d630e">baselinetab</a> = baselinetab;
<a name="l00660"></a>00660 <span class="keywordflow">for</span> (i = 0; i < 128; i++)
<a name="l00661"></a>00661 baselinetab[i] = <a class="code" href="environ_8h.html#abde25a67f4046530ae1c572cefeb5869">UNDEF</a>;
<a name="l00662"></a>00662 <span class="keywordflow">for</span> (i = 32; i <= 57; i++)
<a name="l00663"></a>00663 baselinetab[i] = bmf-><a class="code" href="struct_l___bmf.html#a75b010e8abe3f5794915552ea4b302b5">baseline1</a>;
<a name="l00664"></a>00664 for (i = 58; i <= 91; i++)
<a name="l00665"></a>00665 baselinetab[i] = bmf-><a class="code" href="struct_l___bmf.html#ad48ef975cddf6e7737dbf17e83238861">baseline2</a>;
<a name="l00666"></a>00666 baselinetab[92] = bmf-><a class="code" href="struct_l___bmf.html#a75b010e8abe3f5794915552ea4b302b5">baseline1</a>; <span class="comment">/* the '\' char */</span>
<a name="l00667"></a>00667 for (i = 93; i < 127; i++)
<a name="l00668"></a>00668 baselinetab[i] = bmf-><a class="code" href="struct_l___bmf.html#a38df6f5276af9efc9662f084a076b1a6">baseline3</a>;
<a name="l00669"></a>00669
<a name="l00670"></a>00670 <span class="comment">/* Generate array of character widths; req's fonttab to exist */</span>
<a name="l00671"></a>00671 if ((widthtab = (<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> *)<a class="code" href="environ_8h.html#abc24891c647be0bd23e233d013175da0">CALLOC</a>(128, <span class="keyword">sizeof</span>(<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>))) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00672"></a>00672 <span class="keywordflow">return</span> <a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"widthtab not made"</span>, procName, 1);
<a name="l00673"></a>00673 bmf-><a class="code" href="struct_l___bmf.html#a4df5a41e1171b6ecbaec4ae13634466d">widthtab</a> = widthtab;
<a name="l00674"></a>00674 <span class="keywordflow">for</span> (i = 0; i < 128; i++)
<a name="l00675"></a>00675 widthtab[i] = <a class="code" href="environ_8h.html#abde25a67f4046530ae1c572cefeb5869">UNDEF</a>;
<a name="l00676"></a>00676 <span class="keywordflow">for</span> (i = 32; i < 127; i++) {
<a name="l00677"></a>00677 <a class="code" href="bmf_8c.html#abb69ddf54a146f2fce9fea15f5915870">bmfGetWidth</a>(bmf, i, &charwidth);
<a name="l00678"></a>00678 widthtab[i] = charwidth;
<a name="l00679"></a>00679 }
<a name="l00680"></a>00680
<a name="l00681"></a>00681 <span class="comment">/* Get the line height of text characters, from the highest</span>
<a name="l00682"></a>00682 <span class="comment"> * ascender to the lowest descender; req's fonttab to exist. */</span>
<a name="l00683"></a>00683 pix = <a class="code" href="bmf_8c.html#a535a158ec913844c1d63ab4eeeaec354">bmfGetPix</a>(bmf, 32);
<a name="l00684"></a>00684 maxh = <a class="code" href="leptprotos_8h.html#a511e60efcf1d9f3f59b5308ef5f49a06">pixGetHeight</a>(pix);
<a name="l00685"></a>00685 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pix);
<a name="l00686"></a>00686 pix = <a class="code" href="bmf_8c.html#a535a158ec913844c1d63ab4eeeaec354">bmfGetPix</a>(bmf, 58);
<a name="l00687"></a>00687 height = <a class="code" href="leptprotos_8h.html#a511e60efcf1d9f3f59b5308ef5f49a06">pixGetHeight</a>(pix);
<a name="l00688"></a>00688 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pix);
<a name="l00689"></a>00689 maxh = <a class="code" href="environ_8h.html#a806d5df14d476263788e0a67d3615b4d">L_MAX</a>(maxh, height);
<a name="l00690"></a>00690 pix = <a class="code" href="bmf_8c.html#a535a158ec913844c1d63ab4eeeaec354">bmfGetPix</a>(bmf, 93);
<a name="l00691"></a>00691 height = <a class="code" href="leptprotos_8h.html#a511e60efcf1d9f3f59b5308ef5f49a06">pixGetHeight</a>(pix);
<a name="l00692"></a>00692 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pix);
<a name="l00693"></a>00693 maxh = <a class="code" href="environ_8h.html#a806d5df14d476263788e0a67d3615b4d">L_MAX</a>(maxh, height);
<a name="l00694"></a>00694 bmf-><a class="code" href="struct_l___bmf.html#af2d770ece3c9e84a372e9751d5851e6b">lineheight</a> = maxh;
<a name="l00695"></a>00695
<a name="l00696"></a>00696 <span class="comment">/* Get the kern width (distance between characters).</span>
<a name="l00697"></a>00697 <span class="comment"> * We let it be the same for all characters in a given</span>
<a name="l00698"></a>00698 <span class="comment"> * font size, and scale it linearly with the size; </span>
<a name="l00699"></a>00699 <span class="comment"> * req's fonttab to be built first. */</span>
<a name="l00700"></a>00700 <a class="code" href="bmf_8c.html#abb69ddf54a146f2fce9fea15f5915870">bmfGetWidth</a>(bmf, 120, &xwidth);
<a name="l00701"></a>00701 kernwidth = (<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>)(0.08 * (<a class="code" href="environ_8h.html#af59419416d96ecf5fca70c8d05adb456">l_float32</a>)xwidth + 0.5);
<a name="l00702"></a>00702 bmf-><a class="code" href="struct_l___bmf.html#acf97de0efa9847f117763468f10efd97">kernwidth</a> = <a class="code" href="environ_8h.html#a806d5df14d476263788e0a67d3615b4d">L_MAX</a>(1, kernwidth);
<a name="l00703"></a>00703
<a name="l00704"></a>00704 <span class="comment">/* Save the space width (between words) */</span>
<a name="l00705"></a>00705 <a class="code" href="bmf_8c.html#abb69ddf54a146f2fce9fea15f5915870">bmfGetWidth</a>(bmf, 32, &charwidth);
<a name="l00706"></a>00706 bmf-><a class="code" href="struct_l___bmf.html#a7f094a0a5bd2f5a35526ae3e5fed5dc0">spacewidth</a> = charwidth;
<a name="l00707"></a>00707
<a name="l00708"></a>00708 <span class="comment">/* Save the extra vertical space between lines */</span>
<a name="l00709"></a>00709 bmf-><a class="code" href="struct_l___bmf.html#a9590fab94133dc07bb2da117ce74579c">vertlinesep</a> = (<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>)(<a class="code" href="bmf_8c.html#a2dd6222a0f051cdbc3c5b61eedf737c7">VERT_FRACT_SEP</a> * bmf-><a class="code" href="struct_l___bmf.html#af2d770ece3c9e84a372e9751d5851e6b">lineheight</a> + 0.5);
<a name="l00710"></a>00710
<a name="l00711"></a>00711 <span class="keywordflow">return</span> 0;
<a name="l00712"></a>00712 }
<a name="l00713"></a>00713
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