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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/fonts__u_8c_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 11 Jun 2010 15:24:34 +0100
changeset 9 59758314f811
parent 6 43e37759235e
permissions -rw-r--r--
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/PIPS/antiword/src/fonts_u.c Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/PIPS/antiword/src/fonts_u.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> * fonts_u.c</span>
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<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1999-2004 A.J. van Os; Released under GNU GPL</span>
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<a name="l00004"></a>00004 <span class="comment"> *</span>
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<a name="l00005"></a>00005 <span class="comment"> * Description:</span>
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<a name="l00006"></a>00006 <span class="comment"> * Functions to deal with fonts (Unix version)</span>
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<a name="l00007"></a>00007 <span class="comment"> */</span>
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<a name="l00008"></a>00008
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<a name="l00009"></a>00009 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
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<a name="l00010"></a>00010 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
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<a name="l00011"></a>00011 <span class="preprocessor">#include &lt;string.h&gt;</span>
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<a name="l00012"></a>00012 <span class="preprocessor">#include &quot;antiword.h&quot;</span>
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<a name="l00013"></a>00013 <span class="preprocessor">#include &quot;fontinfo.h&quot;</span>
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<a name="l00014"></a>00014
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<a name="l00015"></a>00015 <span class="comment">/* Don&#39;t use fonts, just plain text */</span>
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<a name="l00016"></a>00016 <span class="keyword">static</span> BOOL             bUsePlainText = TRUE;
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<a name="l00017"></a>00017 <span class="comment">/* Which character set should be used */</span>
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<a name="l00018"></a>00018 <span class="keyword">static</span> encoding_type    eEncoding = encoding_neutral;
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<a name="l00019"></a>00019
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<a name="l00020"></a>00020
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<a name="l00021"></a>00021 <span class="comment">/*</span>
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<a name="l00022"></a>00022 <span class="comment"> * pOpenFontTableFile - open the Font translation file</span>
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<a name="l00023"></a>00023 <span class="comment"> *</span>
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<a name="l00024"></a>00024 <span class="comment"> * Returns the file pointer or NULL</span>
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<a name="l00025"></a>00025 <span class="comment"> */</span>
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<a name="l00026"></a>00026 FILE *
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<a name="l00027"></a>00027 pOpenFontTableFile(<span class="keywordtype">void</span>)
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<a name="l00028"></a>00028 {
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<a name="l00029"></a>00029         FILE            *pFile;
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<a name="l00030"></a>00030         <span class="keyword">const</span> <span class="keywordtype">char</span>      *szHome, *szAntiword, *szGlobalFile;
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<a name="l00031"></a>00031         <span class="keywordtype">char</span>            szEnvironmentFile[PATH_MAX+1];
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<a name="l00032"></a>00032         <span class="keywordtype">char</span>            szLocalFile[PATH_MAX+1];
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<a name="l00033"></a>00033
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<a name="l00034"></a>00034         szEnvironmentFile[0] = <span class="charliteral">&#39;\0&#39;</span>;
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<a name="l00035"></a>00035         szLocalFile[0] = <span class="charliteral">&#39;\0&#39;</span>;
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<a name="l00036"></a>00036
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<a name="l00037"></a>00037         <span class="comment">/* Try the environment version of the fontnames file */</span>
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<a name="l00038"></a>00038         szAntiword = szGetAntiwordDirectory();
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<a name="l00039"></a>00039         <span class="keywordflow">if</span> (szAntiword != NULL &amp;&amp; szAntiword[0] != <span class="charliteral">&#39;\0&#39;</span>) {
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<a name="l00040"></a>00040                 <span class="keywordflow">if</span> (strlen(szAntiword) +
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<a name="l00041"></a>00041                     <span class="keyword">sizeof</span>(FILE_SEPARATOR FONTNAMES_FILE) &gt;=
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<a name="l00042"></a>00042                     <span class="keyword">sizeof</span>(szEnvironmentFile)) {
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<a name="l00043"></a>00043                         werr(0,
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<a name="l00044"></a>00044                         <span class="stringliteral">&quot;The name of your ANTIWORDHOME directory is too long&quot;</span>);
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<a name="l00045"></a>00045                         <span class="keywordflow">return</span> NULL;
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<a name="l00046"></a>00046                 }
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<a name="l00047"></a>00047                 sprintf(szEnvironmentFile, <span class="stringliteral">&quot;%s%s&quot;</span>,
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<a name="l00048"></a>00048                         szAntiword,
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<a name="l00049"></a>00049                         FILE_SEPARATOR FONTNAMES_FILE);
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<a name="l00050"></a>00050                 DBG_MSG(szEnvironmentFile);
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<a name="l00051"></a>00051
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<a name="l00052"></a>00052                 pFile = fopen(szEnvironmentFile, <span class="stringliteral">&quot;r&quot;</span>);
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<a name="l00053"></a>00053                 <span class="keywordflow">if</span> (pFile != NULL) {
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<a name="l00054"></a>00054                         <span class="keywordflow">return</span> pFile;
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<a name="l00055"></a>00055                 }
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<a name="l00056"></a>00056         }
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<a name="l00057"></a>00057
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<a name="l00058"></a>00058         <span class="comment">/* Try the local version of the fontnames file */</span>
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<a name="l00059"></a>00059         szHome = szGetHomeDirectory();
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<a name="l00060"></a>00060         <span class="keywordflow">if</span> (strlen(szHome) +
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<a name="l00061"></a>00061             <span class="keyword">sizeof</span>(FILE_SEPARATOR ANTIWORD_DIR FILE_SEPARATOR FONTNAMES_FILE) &gt;=
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<a name="l00062"></a>00062             <span class="keyword">sizeof</span>(szLocalFile)) {
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<a name="l00063"></a>00063                 werr(0, <span class="stringliteral">&quot;The name of your HOME directory is too long&quot;</span>);
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<a name="l00064"></a>00064                 <span class="keywordflow">return</span> NULL;
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<a name="l00065"></a>00065         }
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<a name="l00066"></a>00066
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<a name="l00067"></a>00067 <span class="preprocessor">        #ifndef SYMBIAN</span>
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<a name="l00068"></a>00068 <span class="preprocessor"></span>        sprintf(szLocalFile, <span class="stringliteral">&quot;%s%s&quot;</span>,
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<a name="l00069"></a>00069                 szHome,
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<a name="l00070"></a>00070                 FILE_SEPARATOR ANTIWORD_DIR FILE_SEPARATOR FONTNAMES_FILE);
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<a name="l00071"></a>00071                 DBG_MSG(szLocalFile);
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<a name="l00072"></a>00072 <span class="preprocessor">        #else</span>
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<a name="l00073"></a>00073 <span class="preprocessor"></span>        sprintf(szLocalFile, <span class="stringliteral">&quot;%s%s&quot;</span>,
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<a name="l00074"></a>00074                 szHome,
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<a name="l00075"></a>00075                 FONTNAMES_FILE);
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<a name="l00076"></a>00076                 DBG_MSG(szLocalFile);
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<a name="l00077"></a>00077 <span class="preprocessor">        #endif </span><span class="comment">/*SYMBIAN*/</span>
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<a name="l00078"></a>00078         pFile = fopen(szLocalFile, <span class="stringliteral">&quot;r&quot;</span>);
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<a name="l00079"></a>00079         <span class="keywordflow">if</span> (pFile != NULL) {
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<a name="l00080"></a>00080                 <span class="keywordflow">return</span> pFile;
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<a name="l00081"></a>00081         }
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<a name="l00082"></a>00082
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<a name="l00083"></a>00083         <span class="comment">/* Try the global version of the fontnames file */</span>
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<a name="l00084"></a>00084         szGlobalFile = GLOBAL_ANTIWORD_DIR FILE_SEPARATOR FONTNAMES_FILE;
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<a name="l00085"></a>00085         DBG_MSG(szGlobalFile);
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<a name="l00086"></a>00086
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<a name="l00087"></a>00087         pFile = fopen(szGlobalFile, <span class="stringliteral">&quot;r&quot;</span>);
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<a name="l00088"></a>00088         <span class="keywordflow">if</span> (pFile != NULL) {
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<a name="l00089"></a>00089                 <span class="keywordflow">return</span> pFile;
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<a name="l00090"></a>00090         }
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<a name="l00091"></a>00091
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<a name="l00092"></a>00092         <span class="keywordflow">if</span> (szEnvironmentFile[0] != <span class="charliteral">&#39;\0&#39;</span>) {
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<a name="l00093"></a>00093                 werr(0, <span class="stringliteral">&quot;I can not open your fontnames file.\n&quot;</span>
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diff changeset 
   104
 
<a name="l00094"></a>00094                         <span class="stringliteral">&quot;Neither &#39;%s&#39; nor\n&quot;</span>
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parents:
diff changeset 
   105
 
<a name="l00095"></a>00095                         <span class="stringliteral">&quot;&#39;%s&#39; nor\n&quot;</span>
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parents:
diff changeset 
   106
 
<a name="l00096"></a>00096                         <span class="stringliteral">&quot;&#39;%s&#39; can be opened for reading.&quot;</span>,
43e37759235e Week 12 contribution of example code"
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diff changeset 
   107
 
<a name="l00097"></a>00097                         szEnvironmentFile, szLocalFile, szGlobalFile);
43e37759235e Week 12 contribution of example code"
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diff changeset 
   108
 
<a name="l00098"></a>00098         } <span class="keywordflow">else</span> {
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diff changeset 
   109
 
<a name="l00099"></a>00099                 werr(0, <span class="stringliteral">&quot;I can not open your fontnames file.\n&quot;</span>
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parents:
diff changeset 
   110
 
<a name="l00100"></a>00100                         <span class="stringliteral">&quot;Neither &#39;%s&#39; nor\n&quot;</span>
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parents:
diff changeset 
   111
 
<a name="l00101"></a>00101                         <span class="stringliteral">&quot;&#39;%s&#39; can be opened for reading.&quot;</span>,
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diff changeset 
   112
 
<a name="l00102"></a>00102                         szLocalFile, szGlobalFile);
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diff changeset 
   113
 
<a name="l00103"></a>00103         }
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diff changeset 
   114
 
<a name="l00104"></a>00104         <span class="keywordflow">return</span> NULL;
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diff changeset 
   115
 
<a name="l00105"></a>00105 } <span class="comment">/* end of pOpenFontTableFile */</span>
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diff changeset 
   116
 
<a name="l00106"></a>00106
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diff changeset 
   117
 
<a name="l00107"></a>00107 <span class="comment">/*</span>
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   118
 
<a name="l00108"></a>00108 <span class="comment"> * vCloseFont - close the current font, if any</span>
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diff changeset 
   119
 
<a name="l00109"></a>00109 <span class="comment"> */</span>
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   120
 
<a name="l00110"></a>00110 <span class="keywordtype">void</span>
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diff changeset 
   121
 
<a name="l00111"></a>00111 vCloseFont(<span class="keywordtype">void</span>)
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diff changeset 
   122
 
<a name="l00112"></a>00112 {
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diff changeset 
   123
 
<a name="l00113"></a>00113         NO_DBG_MSG(<span class="stringliteral">&quot;vCloseFont&quot;</span>);
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   124
 
<a name="l00114"></a>00114         <span class="comment">/* For safety: to be overwritten at the next call of tOpenfont() */</span>
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diff changeset 
   125
 
<a name="l00115"></a>00115         eEncoding = encoding_neutral;
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diff changeset 
   126
 
<a name="l00116"></a>00116         bUsePlainText = TRUE;
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diff changeset 
   127
 
<a name="l00117"></a>00117 } <span class="comment">/* end of vCloseFont */</span>
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diff changeset 
   128
 
<a name="l00118"></a>00118
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diff changeset 
   129
 
<a name="l00119"></a>00119 <span class="comment">/*</span>
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   130
 
<a name="l00120"></a>00120 <span class="comment"> * tOpenFont - make the specified font the current font</span>
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   131
 
<a name="l00121"></a>00121 <span class="comment"> *</span>
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   132
 
<a name="l00122"></a>00122 <span class="comment"> * Returns the font reference number</span>
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diff changeset 
   133
 
<a name="l00123"></a>00123 <span class="comment"> */</span>
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diff changeset 
   134
 
<a name="l00124"></a>00124 drawfile_fontref
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   135
 
<a name="l00125"></a>00125 tOpenFont(UCHAR ucWordFontNumber, USHORT usFontStyle, USHORT usWordFontSize)
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diff changeset 
   136
 
<a name="l00126"></a>00126 {
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diff changeset 
   137
 
<a name="l00127"></a>00127         options_type    tOptions;
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diff changeset 
   138
 
<a name="l00128"></a>00128         <span class="keyword">const</span> <span class="keywordtype">char</span>      *szOurFontname;
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diff changeset 
   139
 
<a name="l00129"></a>00129         <span class="keywordtype">size_t</span>  tIndex;
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   140
 
<a name="l00130"></a>00130         <span class="keywordtype">int</span>     iFontnumber;
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diff changeset 
   141
 
<a name="l00131"></a>00131
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diff changeset 
   142
 
<a name="l00132"></a>00132         NO_DBG_MSG(<span class="stringliteral">&quot;tOpenFont&quot;</span>);
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diff changeset 
   143
 
<a name="l00133"></a>00133         NO_DBG_DEC(ucWordFontNumber);
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diff changeset 
   144
 
<a name="l00134"></a>00134         NO_DBG_HEX(usFontStyle);
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diff changeset 
   145
 
<a name="l00135"></a>00135         NO_DBG_DEC(usWordFontSize);
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parents:
diff changeset 
   146
 
<a name="l00136"></a>00136
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diff changeset 
   147
 
<a name="l00137"></a>00137         <span class="comment">/* Keep the relevant bits */</span>
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diff changeset 
   148
 
<a name="l00138"></a>00138         usFontStyle &amp;= FONT_BOLD|FONT_ITALIC;
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diff changeset 
   149
 
<a name="l00139"></a>00139         NO_DBG_HEX(usFontStyle);
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diff changeset 
   150
 
<a name="l00140"></a>00140
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diff changeset 
   151
 
<a name="l00141"></a>00141         vGetOptions(&amp;tOptions);
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diff changeset 
   152
 
<a name="l00142"></a>00142         eEncoding = tOptions.eEncoding;
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diff changeset 
   153
 
<a name="l00143"></a>00143         bUsePlainText = tOptions.eConversionType != conversion_draw &amp;&amp;
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   154
 
<a name="l00144"></a>00144                         tOptions.eConversionType != conversion_ps &amp;&amp;
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diff changeset 
   155
 
<a name="l00145"></a>00145                         tOptions.eConversionType != conversion_pdf;
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diff changeset 
   156
 
<a name="l00146"></a>00146
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diff changeset 
   157
 
<a name="l00147"></a>00147         <span class="keywordflow">if</span> (bUsePlainText) {
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diff changeset 
   158
 
<a name="l00148"></a>00148                 <span class="comment">/* Plain text, no fonts */</span>
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diff changeset 
   159
 
<a name="l00149"></a>00149                 <span class="keywordflow">return</span> (drawfile_fontref)0;
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   160
 
<a name="l00150"></a>00150         }
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diff changeset 
   161
 
<a name="l00151"></a>00151
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diff changeset 
   162
 
<a name="l00152"></a>00152         iFontnumber = iGetFontByNumber(ucWordFontNumber, usFontStyle);
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   163
 
<a name="l00153"></a>00153         szOurFontname = szGetOurFontname(iFontnumber);
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   164
 
<a name="l00154"></a>00154         <span class="keywordflow">if</span> (szOurFontname == NULL || szOurFontname[0] == <span class="charliteral">&#39;\0&#39;</span>) {
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diff changeset 
   165
 
<a name="l00155"></a>00155                 DBG_DEC(iFontnumber);
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diff changeset 
   166
 
<a name="l00156"></a>00156                 <span class="keywordflow">return</span> (drawfile_fontref)0;
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diff changeset 
   167
 
<a name="l00157"></a>00157         }
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diff changeset 
   168
 
<a name="l00158"></a>00158         NO_DBG_MSG(szOurFontname);
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diff changeset 
   169
 
<a name="l00159"></a>00159
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diff changeset 
   170
 
<a name="l00160"></a>00160         <span class="keywordflow">for</span> (tIndex = 0; tIndex &lt; elementsof(szFontnames); tIndex++) {
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   171
 
<a name="l00161"></a>00161                 <span class="keywordflow">if</span> (STREQ(szFontnames[tIndex], szOurFontname)) {
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diff changeset 
   172
 
<a name="l00162"></a>00162                         NO_DBG_DEC(tIndex);
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   173
 
<a name="l00163"></a>00163                         <span class="keywordflow">return</span> (drawfile_fontref)tIndex;
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   174
 
<a name="l00164"></a>00164                 }
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   175
 
<a name="l00165"></a>00165         }
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   176
 
<a name="l00166"></a>00166         <span class="keywordflow">return</span> (drawfile_fontref)0;
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   177
 
<a name="l00167"></a>00167 } <span class="comment">/* end of tOpenFont */</span>
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diff changeset 
   178
 
<a name="l00168"></a>00168
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diff changeset 
   179
 
<a name="l00169"></a>00169 <span class="comment">/*</span>
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   180
 
<a name="l00170"></a>00170 <span class="comment"> * tOpenTableFont - make the table font the current font</span>
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   181
 
<a name="l00171"></a>00171 <span class="comment"> *</span>
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   182
 
<a name="l00172"></a>00172 <span class="comment"> * Returns the font reference number</span>
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   183
 
<a name="l00173"></a>00173 <span class="comment"> */</span>
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diff changeset 
   184
 
<a name="l00174"></a>00174 drawfile_fontref
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diff changeset 
   185
 
<a name="l00175"></a>00175 tOpenTableFont(USHORT usWordFontSize)
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diff changeset 
   186
 
<a name="l00176"></a>00176 {
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diff changeset 
   187
 
<a name="l00177"></a>00177         options_type    tOptions;
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   188
 
<a name="l00178"></a>00178         <span class="keywordtype">int</span>     iWordFontnumber;
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diff changeset 
   189
 
<a name="l00179"></a>00179
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   190
 
<a name="l00180"></a>00180         NO_DBG_MSG(<span class="stringliteral">&quot;tOpenTableFont&quot;</span>);
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diff changeset 
   191
 
<a name="l00181"></a>00181
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diff changeset 
   192
 
<a name="l00182"></a>00182         vGetOptions(&amp;tOptions);
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   193
 
<a name="l00183"></a>00183         eEncoding = tOptions.eEncoding;
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diff changeset 
   194
 
<a name="l00184"></a>00184         bUsePlainText = tOptions.eConversionType != conversion_draw &amp;&amp;
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diff changeset 
   195
 
<a name="l00185"></a>00185                         tOptions.eConversionType != conversion_ps &amp;&amp;
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   196
 
<a name="l00186"></a>00186                         tOptions.eConversionType != conversion_pdf;
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diff changeset 
   197
 
<a name="l00187"></a>00187
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diff changeset 
   198
 
<a name="l00188"></a>00188         <span class="keywordflow">if</span> (bUsePlainText) {
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diff changeset 
   199
 
<a name="l00189"></a>00189                 <span class="comment">/* Plain text, no fonts */</span>
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   200
 
<a name="l00190"></a>00190                 <span class="keywordflow">return</span> (drawfile_fontref)0;
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diff changeset 
   201
 
<a name="l00191"></a>00191         }
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diff changeset 
   202
 
<a name="l00192"></a>00192
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parents:
diff changeset 
   203
 
<a name="l00193"></a>00193         iWordFontnumber = iFontname2Fontnumber(TABLE_FONT, FONT_REGULAR);
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   204
 
<a name="l00194"></a>00194         <span class="keywordflow">if</span> (iWordFontnumber &lt; 0 || iWordFontnumber &gt; (<span class="keywordtype">int</span>)UCHAR_MAX) {
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   205
 
<a name="l00195"></a>00195                 DBG_DEC(iWordFontnumber);
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   206
 
<a name="l00196"></a>00196                 <span class="keywordflow">return</span> (drawfile_fontref)0;
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   207
 
<a name="l00197"></a>00197         }
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   208
 
<a name="l00198"></a>00198
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diff changeset 
   209
 
<a name="l00199"></a>00199         <span class="keywordflow">return</span> tOpenFont((UCHAR)iWordFontnumber, FONT_REGULAR, usWordFontSize);
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<a name="l00200"></a>00200 } <span class="comment">/* end of tOpenTableFont */</span>
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<a name="l00201"></a>00201
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   212
 
<a name="l00202"></a>00202 <span class="comment">/*</span>
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<a name="l00203"></a>00203 <span class="comment"> * szGetFontname - get the fontname</span>
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<a name="l00204"></a>00204 <span class="comment"> */</span>
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<a name="l00205"></a>00205 <span class="keyword">const</span> <span class="keywordtype">char</span> *
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<a name="l00206"></a>00206 szGetFontname(drawfile_fontref tFontRef)
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<a name="l00207"></a>00207 {
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<a name="l00208"></a>00208         fail((<span class="keywordtype">size_t</span>)(UCHAR)tFontRef &gt;= elementsof(szFontnames));
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<a name="l00209"></a>00209         <span class="keywordflow">return</span> szFontnames[(int)(UCHAR)tFontRef];
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<a name="l00210"></a>00210 } <span class="comment">/* end of szGetFontname */</span>
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<a name="l00211"></a>00211
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<a name="l00212"></a>00212 <span class="comment">/*</span>
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<a name="l00213"></a>00213 <span class="comment"> * lComputeStringWidth - compute the string width</span>
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<a name="l00214"></a>00214 <span class="comment"> *</span>
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<a name="l00215"></a>00215 <span class="comment"> * Note: the fontsize is specified in half-points!</span>
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<a name="l00216"></a>00216 <span class="comment"> *       the stringlength is specified in bytes, not characters!</span>
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<a name="l00217"></a>00217 <span class="comment"> *</span>
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<a name="l00218"></a>00218 <span class="comment"> * Returns the string width in millipoints</span>
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<a name="l00219"></a>00219 <span class="comment"> */</span>
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<a name="l00220"></a>00220 <span class="keywordtype">long</span>
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<a name="l00221"></a>00221 lComputeStringWidth(const <span class="keywordtype">char</span> *szString, <span class="keywordtype">size_t</span> tStringLength,
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<a name="l00222"></a>00222         drawfile_fontref tFontRef, USHORT usFontSize)
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<a name="l00223"></a>00223 {
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<a name="l00224"></a>00224         USHORT  *ausCharWidths;
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<a name="l00225"></a>00225         UCHAR   *pucChar;
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   236
 
<a name="l00226"></a>00226         <span class="keywordtype">long</span>    lRelWidth;
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<a name="l00227"></a>00227         <span class="keywordtype">size_t</span>  tIndex;
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<a name="l00228"></a>00228         <span class="keywordtype">int</span>     iFontRef;
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<a name="l00229"></a>00229
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   240
 
<a name="l00230"></a>00230         fail(szString == NULL);
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<a name="l00231"></a>00231         fail(usFontSize &lt; MIN_FONT_SIZE || usFontSize &gt; MAX_FONT_SIZE);
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<a name="l00232"></a>00232
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<a name="l00233"></a>00233         <span class="keywordflow">if</span> (szString[0] == <span class="charliteral">&#39;\0&#39;</span> || tStringLength == 0) {
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<a name="l00234"></a>00234                 <span class="comment">/* Empty string */</span>
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<a name="l00235"></a>00235                 <span class="keywordflow">return</span> 0;
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<a name="l00236"></a>00236         }
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<a name="l00237"></a>00237
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   248
 
<a name="l00238"></a>00238         <span class="keywordflow">if</span> (eEncoding == encoding_utf_8) {
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<a name="l00239"></a>00239                 fail(!bUsePlainText);
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<a name="l00240"></a>00240                 <span class="keywordflow">return</span> lChar2MilliPoints(
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<a name="l00241"></a>00241                         utf8_strwidth(szString, tStringLength));
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<a name="l00242"></a>00242         }
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<a name="l00243"></a>00243
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   254
 
<a name="l00244"></a>00244         <span class="keywordflow">if</span> (bUsePlainText) {
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<a name="l00245"></a>00245                 <span class="comment">/* No current font, use &quot;systemfont&quot; */</span>
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<a name="l00246"></a>00246                 <span class="keywordflow">return</span> lChar2MilliPoints(tStringLength);
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<a name="l00247"></a>00247         }
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<a name="l00248"></a>00248
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<a name="l00249"></a>00249         <span class="keywordflow">if</span> (eEncoding == encoding_cyrillic) {
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<a name="l00250"></a>00250                 <span class="comment">/* FIXME: until the character tables are available */</span>
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<a name="l00251"></a>00251                 <span class="keywordflow">return</span> (tStringLength * 600L * (<span class="keywordtype">long</span>)usFontSize + 1) / 2;
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<a name="l00252"></a>00252         }
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<a name="l00253"></a>00253
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<a name="l00254"></a>00254         DBG_DEC_C(eEncoding != encoding_latin_1 &amp;&amp;
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<a name="l00255"></a>00255                 eEncoding != encoding_latin_2, eEncoding);
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<a name="l00256"></a>00256         fail(eEncoding != encoding_latin_1 &amp;&amp;
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<a name="l00257"></a>00257                 eEncoding != encoding_latin_2);
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<a name="l00258"></a>00258
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<a name="l00259"></a>00259         <span class="comment">/* Compute the relative string width */</span>
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<a name="l00260"></a>00260         iFontRef = (int)(UCHAR)tFontRef;
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<a name="l00261"></a>00261         <span class="keywordflow">if</span> (eEncoding == encoding_latin_2) {
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<a name="l00262"></a>00262                 ausCharWidths = ausCharacterWidths2[iFontRef];
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<a name="l00263"></a>00263         } <span class="keywordflow">else</span> {
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<a name="l00264"></a>00264                 ausCharWidths = ausCharacterWidths1[iFontRef];
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<a name="l00265"></a>00265         }
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<a name="l00266"></a>00266         lRelWidth = 0;
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<a name="l00267"></a>00267         <span class="keywordflow">for</span> (tIndex = 0, pucChar = (UCHAR *)szString;
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<a name="l00268"></a>00268              tIndex &lt; tStringLength;
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<a name="l00269"></a>00269              tIndex++, pucChar++) {
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<a name="l00270"></a>00270                 lRelWidth += (long)ausCharWidths[(<span class="keywordtype">int</span>)*pucChar];
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<a name="l00271"></a>00271         }
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<a name="l00272"></a>00272
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<a name="l00273"></a>00273         <span class="comment">/* Compute the absolute string width */</span>
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<a name="l00274"></a>00274         <span class="keywordflow">return</span> (lRelWidth * (<span class="keywordtype">long</span>)usFontSize + 1) / 2;
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<a name="l00275"></a>00275 } <span class="comment">/* end of lComputeStringWidth */</span>
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<a name="l00276"></a>00276
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<a name="l00277"></a>00277 <span class="comment">/*</span>
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<a name="l00278"></a>00278 <span class="comment"> * tCountColumns - count the number of columns in a string</span>
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<a name="l00279"></a>00279 <span class="comment"> *</span>
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<a name="l00280"></a>00280 <span class="comment"> * Note: the length is specified in bytes!</span>
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<a name="l00281"></a>00281 <span class="comment"> *       A UTF-8 a character can be 0, 1 or 2 columns wide.</span>
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<a name="l00282"></a>00282 <span class="comment"> *</span>
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<a name="l00283"></a>00283 <span class="comment"> * Returns the number of columns</span>
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<a name="l00284"></a>00284 <span class="comment"> */</span>
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<a name="l00285"></a>00285 <span class="keywordtype">size_t</span>
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<a name="l00286"></a>00286 tCountColumns(<span class="keyword">const</span> <span class="keywordtype">char</span> *szString, <span class="keywordtype">size_t</span> tLength)
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<a name="l00287"></a>00287 {
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<a name="l00288"></a>00288         fail(szString == NULL);
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<a name="l00289"></a>00289
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<a name="l00290"></a>00290         <span class="keywordflow">if</span> (eEncoding != encoding_utf_8) {
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<a name="l00291"></a>00291                 <span class="comment">/* One byte, one character, one column */</span>
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<a name="l00292"></a>00292                 <span class="keywordflow">return</span> tLength;
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<a name="l00293"></a>00293         }
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<a name="l00294"></a>00294         <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)utf8_strwidth(szString, tLength);
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<a name="l00295"></a>00295 } <span class="comment">/* end of tCountColumns */</span>
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<a name="l00296"></a>00296
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<a name="l00297"></a>00297 <span class="comment">/*</span>
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<a name="l00298"></a>00298 <span class="comment"> * tGetCharacterLength - the length of the specified character in bytes</span>
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<a name="l00299"></a>00299 <span class="comment"> *</span>
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<a name="l00300"></a>00300 <span class="comment"> * Returns the length in bytes</span>
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<a name="l00301"></a>00301 <span class="comment"> */</span>
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<a name="l00302"></a>00302 <span class="keywordtype">size_t</span>
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<a name="l00303"></a>00303 tGetCharacterLength(<span class="keyword">const</span> <span class="keywordtype">char</span> *szString)
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<a name="l00304"></a>00304 {
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<a name="l00305"></a>00305         fail(szString == NULL);
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<a name="l00306"></a>00306
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<a name="l00307"></a>00307         <span class="keywordflow">if</span> (eEncoding != encoding_utf_8) {
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<a name="l00308"></a>00308                 <span class="keywordflow">return</span> 1;
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<a name="l00309"></a>00309         }
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<a name="l00310"></a>00310         <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)utf8_chrlength(szString);
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<a name="l00311"></a>00311 } <span class="comment">/* end of tGetCharacterLength */</span>
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>
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