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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/fontlist_8c_source.html
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Tue, 30 Mar 2010 16:16:55 +0100
changeset 6 43e37759235e
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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/fontlist.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/fontlist.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"> * fontlist.c</span>
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<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1998-2004 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"> * Build, read and destroy a list of Word font information</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;stdlib.h&gt;</span>
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<a name="l00010"></a>00010 <span class="preprocessor">#include &lt;stddef.h&gt;</span>
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<a name="l00011"></a>00011 <span class="preprocessor">#include &quot;antiword.h&quot;</span>
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<a name="l00012"></a>00012
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<a name="l00013"></a>00013
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<a name="l00014"></a>00014 <span class="comment">/*</span>
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<a name="l00015"></a>00015 <span class="comment"> * Private structure to hide the way the information</span>
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<a name="l00016"></a>00016 <span class="comment"> * is stored from the rest of the program</span>
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<a name="l00017"></a>00017 <span class="comment"> */</span>
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<a name="l00018"></a>00018 <span class="keyword">typedef</span> <span class="keyword">struct </span>font_desc_tag {
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<a name="l00019"></a>00019         font_block_type tInfo;
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<a name="l00020"></a>00020         <span class="keyword">struct </span>font_desc_tag    *pNext;
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<a name="l00021"></a>00021 } font_mem_type;
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023 <span class="comment">/* Variables needed to write the Font Information List */</span>
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<a name="l00024"></a>00024 <span class="keyword">static</span> font_mem_type    *pAnchor = NULL;
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<a name="l00025"></a>00025 <span class="keyword">static</span> font_mem_type    *pFontLast = NULL;
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<a name="l00026"></a>00026
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<a name="l00027"></a>00027
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<a name="l00028"></a>00028 <span class="comment">/*</span>
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<a name="l00029"></a>00029 <span class="comment"> * vDestroyFontInfoList - destroy the Font Information List</span>
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<a name="l00030"></a>00030 <span class="comment"> */</span>
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<a name="l00031"></a>00031 <span class="keywordtype">void</span>
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<a name="l00032"></a>00032 vDestroyFontInfoList(<span class="keywordtype">void</span>)
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<a name="l00033"></a>00033 {
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<a name="l00034"></a>00034         font_mem_type   *pCurr, *pNext;
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<a name="l00035"></a>00035
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<a name="l00036"></a>00036         DBG_MSG(<span class="stringliteral">&quot;vDestroyFontInfoList&quot;</span>);
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<a name="l00037"></a>00037
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<a name="l00038"></a>00038         <span class="comment">/* Free the Font Information List */</span>
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<a name="l00039"></a>00039         pCurr = pAnchor;
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<a name="l00040"></a>00040         <span class="keywordflow">while</span> (pCurr != NULL) {
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<a name="l00041"></a>00041                 pNext = pCurr-&gt;pNext;
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<a name="l00042"></a>00042                 pCurr = xfree(pCurr);
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<a name="l00043"></a>00043                 pCurr = pNext;
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<a name="l00044"></a>00044         }
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<a name="l00045"></a>00045         pAnchor = NULL;
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<a name="l00046"></a>00046         <span class="comment">/* Reset all control variables */</span>
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<a name="l00047"></a>00047         pFontLast = NULL;
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<a name="l00048"></a>00048 } <span class="comment">/* end of vDestroyFontInfoList */</span>
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050 <span class="comment">/*</span>
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<a name="l00051"></a>00051 <span class="comment"> * vCorrectFontValues - correct font values to values Antiword can use</span>
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<a name="l00052"></a>00052 <span class="comment"> */</span>
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<a name="l00053"></a>00053 <span class="keywordtype">void</span>
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<a name="l00054"></a>00054 vCorrectFontValues(font_block_type *pFontBlock)
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<a name="l00055"></a>00055 {
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<a name="l00056"></a>00056         UINT    uiRealSize;
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<a name="l00057"></a>00057         USHORT  usRealStyle;
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059         uiRealSize = pFontBlock-&gt;usFontSize;
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<a name="l00060"></a>00060         usRealStyle = pFontBlock-&gt;usFontStyle;
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<a name="l00061"></a>00061         <span class="keywordflow">if</span> (bIsSmallCapitals(pFontBlock-&gt;usFontStyle)) {
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<a name="l00062"></a>00062                 <span class="comment">/* Small capitals become normal capitals in a smaller font */</span>
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<a name="l00063"></a>00063                 uiRealSize = (uiRealSize * 4 + 2) / 5;
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<a name="l00064"></a>00064                 usRealStyle &amp;= ~FONT_SMALL_CAPITALS;
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<a name="l00065"></a>00065                 usRealStyle |= FONT_CAPITALS;
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<a name="l00066"></a>00066         }
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<a name="l00067"></a>00067         <span class="keywordflow">if</span> (bIsSuperscript(pFontBlock-&gt;usFontStyle) ||
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<a name="l00068"></a>00068             bIsSubscript(pFontBlock-&gt;usFontStyle)) {
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<a name="l00069"></a>00069                 <span class="comment">/* Superscript and subscript use a smaller fontsize */</span>
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<a name="l00070"></a>00070                 uiRealSize = (uiRealSize * 2 + 1) / 3;
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<a name="l00071"></a>00071         }
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<a name="l00072"></a>00072
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<a name="l00073"></a>00073         <span class="keywordflow">if</span> (uiRealSize &lt; MIN_FONT_SIZE) {
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<a name="l00074"></a>00074                 DBG_DEC(uiRealSize);
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<a name="l00075"></a>00075                 uiRealSize = MIN_FONT_SIZE;
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<a name="l00076"></a>00076         } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (uiRealSize &gt; MAX_FONT_SIZE) {
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<a name="l00077"></a>00077                 DBG_DEC(uiRealSize);
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<a name="l00078"></a>00078                 uiRealSize = MAX_FONT_SIZE;
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<a name="l00079"></a>00079         }
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<a name="l00080"></a>00080
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<a name="l00081"></a>00081         pFontBlock-&gt;usFontSize = (USHORT)uiRealSize;
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<a name="l00082"></a>00082         <span class="keywordflow">if</span> (pFontBlock-&gt;ucFontColor == 8) {
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<a name="l00083"></a>00083                 <span class="comment">/* White text to light gray text */</span>
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<a name="l00084"></a>00084                 pFontBlock-&gt;ucFontColor = 16;
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<a name="l00085"></a>00085         }
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<a name="l00086"></a>00086         pFontBlock-&gt;usFontStyle = usRealStyle;
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<a name="l00087"></a>00087 } <span class="comment">/* end of vCorrectFontValues */</span>
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<a name="l00088"></a>00088
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<a name="l00089"></a>00089 <span class="comment">/*</span>
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<a name="l00090"></a>00090 <span class="comment"> * vAdd2FontInfoList - Add an element to the Font Information List</span>
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<a name="l00091"></a>00091 <span class="comment"> */</span>
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<a name="l00092"></a>00092 <span class="keywordtype">void</span>
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<a name="l00093"></a>00093 vAdd2FontInfoList(<span class="keyword">const</span> font_block_type *pFontBlock)
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<a name="l00094"></a>00094 {
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<a name="l00095"></a>00095         font_mem_type   *pListMember;
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<a name="l00096"></a>00096
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<a name="l00097"></a>00097         fail(pFontBlock == NULL);
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<a name="l00098"></a>00098
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<a name="l00099"></a>00099         NO_DBG_MSG(<span class="stringliteral">&quot;bAdd2FontInfoList&quot;</span>);
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<a name="l00100"></a>00100
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<a name="l00101"></a>00101         <span class="keywordflow">if</span> (pFontBlock-&gt;ulFileOffset == FC_INVALID) {
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<a name="l00102"></a>00102                 <span class="comment">/*</span>
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<a name="l00103"></a>00103 <span class="comment">                 * This offset is really past the end of the file,</span>
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<a name="l00104"></a>00104 <span class="comment">                 * so don&#39;t waste any memory by storing it.</span>
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<a name="l00105"></a>00105 <span class="comment">                 */</span>
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<a name="l00106"></a>00106                 <span class="keywordflow">return</span>;
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<a name="l00107"></a>00107         }
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<a name="l00108"></a>00108
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<a name="l00109"></a>00109         NO_DBG_HEX(pFontBlock-&gt;ulFileOffset);
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<a name="l00110"></a>00110         NO_DBG_DEC_C(pFontBlock-&gt;ucFontNumber != 0,
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<a name="l00111"></a>00111                                         pFontBlock-&gt;ucFontNumber);
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<a name="l00112"></a>00112         NO_DBG_DEC_C(pFontBlock-&gt;usFontSize != DEFAULT_FONT_SIZE,
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<a name="l00113"></a>00113                                         pFontBlock-&gt;usFontSize);
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<a name="l00114"></a>00114         NO_DBG_DEC_C(pFontBlock-&gt;ucFontColor != 0,
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<a name="l00115"></a>00115                                         pFontBlock-&gt;ucFontColor);
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<a name="l00116"></a>00116         NO_DBG_HEX_C(pFontBlock-&gt;usFontStyle != 0x00,
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<a name="l00117"></a>00117                                         pFontBlock-&gt;usFontStyle);
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<a name="l00118"></a>00118
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<a name="l00119"></a>00119         <span class="keywordflow">if</span> (pFontLast != NULL &amp;&amp;
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<a name="l00120"></a>00120             pFontLast-&gt;tInfo.ulFileOffset == pFontBlock-&gt;ulFileOffset) {
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<a name="l00121"></a>00121                 <span class="comment">/*</span>
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<a name="l00122"></a>00122 <span class="comment">                 * If two consecutive fonts share the same</span>
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<a name="l00123"></a>00123 <span class="comment">                 * offset, remember only the last font</span>
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<a name="l00124"></a>00124 <span class="comment">                 */</span>
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<a name="l00125"></a>00125                 fail(pFontLast-&gt;pNext != NULL);
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<a name="l00126"></a>00126                 pFontLast-&gt;tInfo = *pFontBlock;
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<a name="l00127"></a>00127                 <span class="keywordflow">return</span>;
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<a name="l00128"></a>00128         }
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<a name="l00129"></a>00129
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<a name="l00130"></a>00130         <span class="comment">/* Create list member */</span>
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<a name="l00131"></a>00131         pListMember = xmalloc(<span class="keyword">sizeof</span>(font_mem_type));
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<a name="l00132"></a>00132         <span class="comment">/* Fill the list member */</span>
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<a name="l00133"></a>00133         pListMember-&gt;tInfo = *pFontBlock;
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<a name="l00134"></a>00134         pListMember-&gt;pNext = NULL;
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<a name="l00135"></a>00135         <span class="comment">/* Correct the values where needed */</span>
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<a name="l00136"></a>00136         vCorrectFontValues(&amp;pListMember-&gt;tInfo);
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<a name="l00137"></a>00137         <span class="comment">/* Add the new member to the list */</span>
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<a name="l00138"></a>00138         <span class="keywordflow">if</span> (pAnchor == NULL) {
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<a name="l00139"></a>00139                 pAnchor = pListMember;
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<a name="l00140"></a>00140         } <span class="keywordflow">else</span> {
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<a name="l00141"></a>00141                 fail(pFontLast == NULL);
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<a name="l00142"></a>00142                 pFontLast-&gt;pNext = pListMember;
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<a name="l00143"></a>00143         }
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<a name="l00144"></a>00144         pFontLast = pListMember;
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<a name="l00145"></a>00145 } <span class="comment">/* end of vAdd2FontInfoList */</span>
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<a name="l00146"></a>00146
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<a name="l00147"></a>00147 <span class="comment">/*</span>
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<a name="l00148"></a>00148 <span class="comment"> * Get the record that follows the given recored in the Font Information List</span>
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<a name="l00149"></a>00149 <span class="comment"> */</span>
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<a name="l00150"></a>00150 <span class="keyword">const</span> font_block_type *
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<a name="l00151"></a>00151 pGetNextFontInfoListItem(<span class="keyword">const</span> font_block_type *pCurr)
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<a name="l00152"></a>00152 {
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<a name="l00153"></a>00153         <span class="keyword">const</span> font_mem_type     *pRecord;
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<a name="l00154"></a>00154         <span class="keywordtype">size_t</span>  tOffset;
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<a name="l00155"></a>00155
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<a name="l00156"></a>00156         <span class="keywordflow">if</span> (pCurr == NULL) {
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<a name="l00157"></a>00157                 <span class="keywordflow">if</span> (pAnchor == NULL) {
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<a name="l00158"></a>00158                         <span class="comment">/* There are no records */</span>
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<a name="l00159"></a>00159                         <span class="keywordflow">return</span> NULL;
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<a name="l00160"></a>00160                 }
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<a name="l00161"></a>00161                 <span class="comment">/* The first record is the only one without a predecessor */</span>
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<a name="l00162"></a>00162                 <span class="keywordflow">return</span> &amp;pAnchor-&gt;tInfo;
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<a name="l00163"></a>00163         }
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<a name="l00164"></a>00164         tOffset = offsetof(font_mem_type, tInfo);
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<a name="l00165"></a>00165         <span class="comment">/* Many casts to prevent alignment warnings */</span>
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<a name="l00166"></a>00166         pRecord = (font_mem_type *)(<span class="keywordtype">void</span> *)((<span class="keywordtype">char</span> *)pCurr - tOffset);
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<a name="l00167"></a>00167         fail(pCurr != &amp;pRecord-&gt;tInfo);
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<a name="l00168"></a>00168         <span class="keywordflow">if</span> (pRecord-&gt;pNext == NULL) {
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<a name="l00169"></a>00169                 <span class="comment">/* The last record has no successor */</span>
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<a name="l00170"></a>00170                 <span class="keywordflow">return</span> NULL;
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<a name="l00171"></a>00171         }
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<a name="l00172"></a>00172         <span class="keywordflow">return</span> &amp;pRecord-&gt;pNext-&gt;tInfo;
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<a name="l00173"></a>00173 } <span class="comment">/* end of pGetNextFontInfoListItem */</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>
MCL/sftools/depl/docscontent