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-<title>TB9.2 Example Applications: examples/PIPS/antiword/src/fonts_r.c Source File</title>
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-<h1>examples/PIPS/antiword/src/fonts_r.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
-<a name="l00002"></a>00002 <span class="comment"> * fonts_r.c</span>
-<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1999-2002 A.J. van Os; Released under GPL</span>
-<a name="l00004"></a>00004 <span class="comment"> *</span>
-<a name="l00005"></a>00005 <span class="comment"> * Description:</span>
-<a name="l00006"></a>00006 <span class="comment"> * Functions to deal with fonts (RiscOs version)</span>
-<a name="l00007"></a>00007 <span class="comment"> */</span>
-<a name="l00008"></a>00008
-<a name="l00009"></a>00009 <span class="preprocessor">#include <stdlib.h></span>
-<a name="l00010"></a>00010 <span class="preprocessor">#include <string.h></span>
-<a name="l00011"></a>00011 <span class="preprocessor">#include "DeskLib:Font.h"</span>
-<a name="l00012"></a>00012 <span class="preprocessor">#include "drawfile.h"</span>
-<a name="l00013"></a>00013 <span class="preprocessor">#include "antiword.h"</span>
-<a name="l00014"></a>00014
-<a name="l00015"></a>00015 <span class="keyword">static</span> font_handle tFontCurr = (font_handle)-1;
-<a name="l00016"></a>00016
-<a name="l00017"></a>00017 <span class="comment">/*</span>
-<a name="l00018"></a>00018 <span class="comment"> * pOpenFontTableFile - open the Font translation file</span>
-<a name="l00019"></a>00019 <span class="comment"> * Copy the file to the proper place if necessary.</span>
-<a name="l00020"></a>00020 <span class="comment"> *</span>
-<a name="l00021"></a>00021 <span class="comment"> * Returns the file pointer or NULL</span>
-<a name="l00022"></a>00022 <span class="comment"> */</span>
-<a name="l00023"></a>00023 FILE *
-<a name="l00024"></a>00024 pOpenFontTableFile(<span class="keywordtype">void</span>)
-<a name="l00025"></a>00025 {
-<a name="l00026"></a>00026 FILE *pFileR, *pFileW;
-<a name="l00027"></a>00027 <span class="keywordtype">char</span> *szFontNamesFile;
-<a name="l00028"></a>00028 <span class="keywordtype">size_t</span> tSize;
-<a name="l00029"></a>00029 BOOL bFailed;
-<a name="l00030"></a>00030 <span class="keywordtype">char</span> acBuffer[256];
-<a name="l00031"></a>00031
-<a name="l00032"></a>00032 pFileR = fopen(<span class="stringliteral">"<AntiWord$FontNamesFile>"</span>, <span class="stringliteral">"r"</span>);
-<a name="l00033"></a>00033 <span class="keywordflow">if</span> (pFileR != NULL) {
-<a name="l00034"></a>00034 <span class="comment">/* The font table is already in the right directory */</span>
-<a name="l00035"></a>00035 <span class="keywordflow">return</span> pFileR;
-<a name="l00036"></a>00036 }
-<a name="l00037"></a>00037
-<a name="l00038"></a>00038 szFontNamesFile = getenv(<span class="stringliteral">"AntiWord$FontNamesSave"</span>);
-<a name="l00039"></a>00039 <span class="keywordflow">if</span> (szFontNamesFile == NULL) {
-<a name="l00040"></a>00040 werr(0, <span class="stringliteral">"Warning: Name of the FontNames file not found"</span>);
-<a name="l00041"></a>00041 <span class="keywordflow">return</span> NULL;
-<a name="l00042"></a>00042 }
-<a name="l00043"></a>00043 DBG_MSG(szFontNamesFile);
-<a name="l00044"></a>00044
-<a name="l00045"></a>00045 pFileR = fopen(<span class="stringliteral">"<AntiWord$Dir>.Resources.Default"</span>, <span class="stringliteral">"r"</span>);
-<a name="l00046"></a>00046 <span class="keywordflow">if</span> (pFileR == NULL) {
-<a name="l00047"></a>00047 werr(0, <span class="stringliteral">"I can't find 'Resources.Default'"</span>);
-<a name="l00048"></a>00048 <span class="keywordflow">return</span> NULL;
-<a name="l00049"></a>00049 }
-<a name="l00050"></a>00050 <span class="comment">/* Here the default font translation table is known to exist */</span>
-<a name="l00051"></a>00051
-<a name="l00052"></a>00052 <span class="keywordflow">if</span> (!bMakeDirectory(szFontNamesFile)) {
-<a name="l00053"></a>00053 werr(0,
-<a name="l00054"></a>00054 <span class="stringliteral">"I can't make a directory for the FontNames file"</span>);
-<a name="l00055"></a>00055 <span class="keywordflow">return</span> NULL;
-<a name="l00056"></a>00056 }
-<a name="l00057"></a>00057 <span class="comment">/* Here the proper directory is known to exist */</span>
-<a name="l00058"></a>00058
-<a name="l00059"></a>00059 pFileW = fopen(szFontNamesFile, <span class="stringliteral">"w"</span>);
-<a name="l00060"></a>00060 <span class="keywordflow">if</span> (pFileW == NULL) {
-<a name="l00061"></a>00061 (void)fclose(pFileR);
-<a name="l00062"></a>00062 werr(0, <span class="stringliteral">"I can't create a default FontNames file"</span>);
-<a name="l00063"></a>00063 <span class="keywordflow">return</span> NULL;
-<a name="l00064"></a>00064 }
-<a name="l00065"></a>00065 <span class="comment">/* Here the proper directory is known to be writeable */</span>
-<a name="l00066"></a>00066
-<a name="l00067"></a>00067 <span class="comment">/* Copy the default FontNames file */</span>
-<a name="l00068"></a>00068 bFailed = FALSE;
-<a name="l00069"></a>00069 <span class="keywordflow">while</span> (!feof(pFileR)) {
-<a name="l00070"></a>00070 tSize = fread(acBuffer, 1, <span class="keyword">sizeof</span>(acBuffer), pFileR);
-<a name="l00071"></a>00071 <span class="keywordflow">if</span> (ferror(pFileR)) {
-<a name="l00072"></a>00072 DBG_MSG(<span class="stringliteral">"Read error"</span>);
-<a name="l00073"></a>00073 bFailed = TRUE;
-<a name="l00074"></a>00074 <span class="keywordflow">break</span>;
-<a name="l00075"></a>00075 }
-<a name="l00076"></a>00076 <span class="keywordflow">if</span> (fwrite(acBuffer, 1, tSize, pFileW) != tSize) {
-<a name="l00077"></a>00077 DBG_MSG(<span class="stringliteral">"Write error"</span>);
-<a name="l00078"></a>00078 bFailed = TRUE;
-<a name="l00079"></a>00079 <span class="keywordflow">break</span>;
-<a name="l00080"></a>00080 }
-<a name="l00081"></a>00081 }
-<a name="l00082"></a>00082 (void)fclose(pFileW);
-<a name="l00083"></a>00083 (void)fclose(pFileR);
-<a name="l00084"></a>00084 <span class="keywordflow">if</span> (bFailed) {
-<a name="l00085"></a>00085 DBG_MSG(<span class="stringliteral">"Copying the FontNames file failed"</span>);
-<a name="l00086"></a>00086 (void)<span class="keyword">remove</span>(szFontNamesFile);
-<a name="l00087"></a>00087 <span class="keywordflow">return</span> NULL;
-<a name="l00088"></a>00088 }
-<a name="l00089"></a>00089 <span class="keywordflow">return</span> fopen(szFontNamesFile, <span class="stringliteral">"r"</span>);
-<a name="l00090"></a>00090 } <span class="comment">/* end of pOpenFontTableFile */</span>
-<a name="l00091"></a>00091
-<a name="l00092"></a>00092 <span class="comment">/*</span>
-<a name="l00093"></a>00093 <span class="comment"> * vCloseFont - close the current font, if any</span>
-<a name="l00094"></a>00094 <span class="comment"> */</span>
-<a name="l00095"></a>00095 <span class="keywordtype">void</span>
-<a name="l00096"></a>00096 vCloseFont(<span class="keywordtype">void</span>)
-<a name="l00097"></a>00097 {
-<a name="l00098"></a>00098 os_error *e;
-<a name="l00099"></a>00099
-<a name="l00100"></a>00100 NO_DBG_MSG(<span class="stringliteral">"vCloseFont"</span>);
-<a name="l00101"></a>00101
-<a name="l00102"></a>00102 <span class="keywordflow">if</span> (tFontCurr == (font_handle)-1) {
-<a name="l00103"></a>00103 <span class="keywordflow">return</span>;
-<a name="l00104"></a>00104 }
-<a name="l00105"></a>00105 e = Font_LoseFont(tFontCurr);
-<a name="l00106"></a>00106 <span class="keywordflow">if</span> (e != NULL) {
-<a name="l00107"></a>00107 werr(0, <span class="stringliteral">"Close font error %d: %s"</span>, e->errnum, e->errmess);
-<a name="l00108"></a>00108 }
-<a name="l00109"></a>00109 tFontCurr = (font_handle)-1;
-<a name="l00110"></a>00110 } <span class="comment">/* end of vCloseFont */</span>
-<a name="l00111"></a>00111
-<a name="l00112"></a>00112 <span class="comment">/*</span>
-<a name="l00113"></a>00113 <span class="comment"> * tOpenFont - make the specified font the current font</span>
-<a name="l00114"></a>00114 <span class="comment"> *</span>
-<a name="l00115"></a>00115 <span class="comment"> * Returns the font reference number for use in a draw file</span>
-<a name="l00116"></a>00116 <span class="comment"> */</span>
-<a name="l00117"></a>00117 drawfile_fontref
-<a name="l00118"></a>00118 tOpenFont(UCHAR ucWordFontNumber, USHORT usFontStyle, USHORT usWordFontSize)
-<a name="l00119"></a>00119 {
-<a name="l00120"></a>00120 os_error *e;
-<a name="l00121"></a>00121 <span class="keyword">const</span> <span class="keywordtype">char</span> *szOurFontname;
-<a name="l00122"></a>00122 font_handle tFont;
-<a name="l00123"></a>00123 <span class="keywordtype">int</span> iFontnumber;
-<a name="l00124"></a>00124
-<a name="l00125"></a>00125 NO_DBG_MSG(<span class="stringliteral">"tOpenFont"</span>);
-<a name="l00126"></a>00126 NO_DBG_DEC(ucWordFontNumber);
-<a name="l00127"></a>00127 NO_DBG_HEX(usFontStyle);
-<a name="l00128"></a>00128 NO_DBG_DEC(usWordFontSize);
-<a name="l00129"></a>00129
-<a name="l00130"></a>00130 <span class="comment">/* Keep the relevant bits */</span>
-<a name="l00131"></a>00131 usFontStyle &= FONT_BOLD|FONT_ITALIC;
-<a name="l00132"></a>00132 NO_DBG_HEX(usFontStyle);
-<a name="l00133"></a>00133
-<a name="l00134"></a>00134 iFontnumber = iGetFontByNumber(ucWordFontNumber, usFontStyle);
-<a name="l00135"></a>00135 szOurFontname = szGetOurFontname(iFontnumber);
-<a name="l00136"></a>00136 <span class="keywordflow">if</span> (szOurFontname == NULL || szOurFontname[0] == <span class="charliteral">'\0'</span>) {
-<a name="l00137"></a>00137 tFontCurr = (font_handle)-1;
-<a name="l00138"></a>00138 <span class="keywordflow">return</span> (byte)0;
-<a name="l00139"></a>00139 }
-<a name="l00140"></a>00140 NO_DBG_MSG(szOurFontname);
-<a name="l00141"></a>00141 e = Font_FindFont(&tFont, (<span class="keywordtype">char</span> *)szOurFontname,
-<a name="l00142"></a>00142 (<span class="keywordtype">int</span>)usWordFontSize * 8, (<span class="keywordtype">int</span>)usWordFontSize * 8,
-<a name="l00143"></a>00143 0, 0);
-<a name="l00144"></a>00144 <span class="keywordflow">if</span> (e != NULL) {
-<a name="l00145"></a>00145 <span class="keywordflow">switch</span> (e->errnum) {
-<a name="l00146"></a>00146 <span class="keywordflow">case</span> 523:
-<a name="l00147"></a>00147 werr(0, <span class="stringliteral">"%s"</span>, e->errmess);
-<a name="l00148"></a>00148 <span class="keywordflow">break</span>;
-<a name="l00149"></a>00149 <span class="keywordflow">default</span>:
-<a name="l00150"></a>00150 werr(0, <span class="stringliteral">"Open font error %d: %s"</span>,
-<a name="l00151"></a>00151 e->errnum, e->errmess);
-<a name="l00152"></a>00152 <span class="keywordflow">break</span>;
-<a name="l00153"></a>00153 }
-<a name="l00154"></a>00154 tFontCurr = (font_handle)-1;
-<a name="l00155"></a>00155 <span class="keywordflow">return</span> (drawfile_fontref)0;
-<a name="l00156"></a>00156 }
-<a name="l00157"></a>00157 tFontCurr = tFont;
-<a name="l00158"></a>00158 NO_DBG_DEC(tFontCurr);
-<a name="l00159"></a>00159 <span class="keywordflow">return</span> (drawfile_fontref)(iFontnumber + 1);
-<a name="l00160"></a>00160 } <span class="comment">/* end of tOpenFont */</span>
-<a name="l00161"></a>00161
-<a name="l00162"></a>00162 <span class="comment">/*</span>
-<a name="l00163"></a>00163 <span class="comment"> * tOpenTableFont - make the table font the current font</span>
-<a name="l00164"></a>00164 <span class="comment"> *</span>
-<a name="l00165"></a>00165 <span class="comment"> * Returns the font reference number for use in a draw file</span>
-<a name="l00166"></a>00166 <span class="comment"> */</span>
-<a name="l00167"></a>00167 drawfile_fontref
-<a name="l00168"></a>00168 tOpenTableFont(USHORT usWordFontSize)
-<a name="l00169"></a>00169 {
-<a name="l00170"></a>00170 <span class="keywordtype">int</span> iWordFontnumber;
-<a name="l00171"></a>00171
-<a name="l00172"></a>00172 NO_DBG_MSG(<span class="stringliteral">"tOpenTableFont"</span>);
-<a name="l00173"></a>00173
-<a name="l00174"></a>00174 iWordFontnumber = iFontname2Fontnumber(TABLE_FONT, FONT_REGULAR);
-<a name="l00175"></a>00175 <span class="keywordflow">if</span> (iWordFontnumber < 0 || iWordFontnumber > (<span class="keywordtype">int</span>)UCHAR_MAX) {
-<a name="l00176"></a>00176 DBG_DEC(iWordFontnumber);
-<a name="l00177"></a>00177 tFontCurr = (font_handle)-1;
-<a name="l00178"></a>00178 <span class="keywordflow">return</span> (drawfile_fontref)0;
-<a name="l00179"></a>00179 }
-<a name="l00180"></a>00180
-<a name="l00181"></a>00181 <span class="keywordflow">return</span> tOpenFont((UCHAR)iWordFontnumber, FONT_REGULAR, usWordFontSize);
-<a name="l00182"></a>00182 } <span class="comment">/* end of tOpenTableFont */</span>
-<a name="l00183"></a>00183
-<a name="l00184"></a>00184 <span class="comment">/*</span>
-<a name="l00185"></a>00185 <span class="comment"> * lComputeStringWidth - compute the string width</span>
-<a name="l00186"></a>00186 <span class="comment"> *</span>
-<a name="l00187"></a>00187 <span class="comment"> * Returns the string width in millipoints</span>
-<a name="l00188"></a>00188 <span class="comment"> */</span>
-<a name="l00189"></a>00189 <span class="keywordtype">long</span>
-<a name="l00190"></a>00190 lComputeStringWidth(<span class="keyword">const</span> <span class="keywordtype">char</span> *szString, <span class="keywordtype">size_t</span> tStringLength,
-<a name="l00191"></a>00191 drawfile_fontref tFontRef, USHORT usFontSize)
-<a name="l00192"></a>00192 {
-<a name="l00193"></a>00193 font_string tStr;
-<a name="l00194"></a>00194 os_error *e;
-<a name="l00195"></a>00195
-<a name="l00196"></a>00196 fail(szString == NULL);
-<a name="l00197"></a>00197 fail(usFontSize < MIN_FONT_SIZE || usFontSize > MAX_FONT_SIZE);
-<a name="l00198"></a>00198
-<a name="l00199"></a>00199 <span class="keywordflow">if</span> (szString[0] == <span class="charliteral">'\0'</span> || tStringLength == 0) {
-<a name="l00200"></a>00200 <span class="comment">/* Empty string */</span>
-<a name="l00201"></a>00201 <span class="keywordflow">return</span> 0;
-<a name="l00202"></a>00202 }
-<a name="l00203"></a>00203 <span class="keywordflow">if</span> (tStringLength == 1 && szString[0] == TABLE_SEPARATOR) {
-<a name="l00204"></a>00204 <span class="comment">/* Font_strwidth doesn't like control characters */</span>
-<a name="l00205"></a>00205 <span class="keywordflow">return</span> 0;
-<a name="l00206"></a>00206 }
-<a name="l00207"></a>00207 <span class="keywordflow">if</span> (tFontCurr == (font_handle)-1) {
-<a name="l00208"></a>00208 <span class="comment">/* No current font, use systemfont */</span>
-<a name="l00209"></a>00209 <span class="keywordflow">return</span> lChar2MilliPoints(tStringLength);
-<a name="l00210"></a>00210 }
-<a name="l00211"></a>00211 tStr.s = (<span class="keywordtype">char</span> *)szString;
-<a name="l00212"></a>00212 tStr.x = INT_MAX;
-<a name="l00213"></a>00213 tStr.y = INT_MAX;
-<a name="l00214"></a>00214 tStr.split = -1;
-<a name="l00215"></a>00215 tStr.term = tStringLength;
-<a name="l00216"></a>00216 e = Font_StringWidth(&tStr);
-<a name="l00217"></a>00217 <span class="keywordflow">if</span> (e == NULL) {
-<a name="l00218"></a>00218 <span class="keywordflow">return</span> (<span class="keywordtype">long</span>)tStr.x;
-<a name="l00219"></a>00219 }
-<a name="l00220"></a>00220 DBG_DEC(e->errnum);
-<a name="l00221"></a>00221 DBG_MSG(e->errmess);
-<a name="l00222"></a>00222 DBG_DEC(tStringLength);
-<a name="l00223"></a>00223 DBG_MSG(szString);
-<a name="l00224"></a>00224 werr(0, <span class="stringliteral">"String width error %d: %s"</span>, e->errnum, e->errmess);
-<a name="l00225"></a>00225 <span class="keywordflow">return</span> lChar2MilliPoints(tStringLength);
-<a name="l00226"></a>00226 } <span class="comment">/* end of lComputeStringWidth */</span>
-<a name="l00227"></a>00227
-<a name="l00228"></a>00228 <span class="comment">/*</span>
-<a name="l00229"></a>00229 <span class="comment"> * tCountColumns - count the number of columns in a string</span>
-<a name="l00230"></a>00230 <span class="comment"> *</span>
-<a name="l00231"></a>00231 <span class="comment"> * Returns the number of columns</span>
-<a name="l00232"></a>00232 <span class="comment"> */</span>
-<a name="l00233"></a>00233 <span class="keywordtype">size_t</span>
-<a name="l00234"></a>00234 tCountColumns(<span class="keyword">const</span> <span class="keywordtype">char</span> *szString, <span class="keywordtype">size_t</span> tLength)
-<a name="l00235"></a>00235 {
-<a name="l00236"></a>00236 fail(szString == NULL);
-<a name="l00237"></a>00237
-<a name="l00238"></a>00238 <span class="comment">/* One byte, one character, one column */</span>
-<a name="l00239"></a>00239 <span class="keywordflow">return</span> tLength;
-<a name="l00240"></a>00240 } <span class="comment">/* end of tCountColumns */</span>
-<a name="l00241"></a>00241
-<a name="l00242"></a>00242 <span class="comment">/*</span>
-<a name="l00243"></a>00243 <span class="comment"> * tGetCharacterLength - the length of the specified character in bytes</span>
-<a name="l00244"></a>00244 <span class="comment"> *</span>
-<a name="l00245"></a>00245 <span class="comment"> * Returns the length in bytes</span>
-<a name="l00246"></a>00246 <span class="comment"> */</span>
-<a name="l00247"></a>00247 <span class="keywordtype">size_t</span>
-<a name="l00248"></a>00248 tGetCharacterLength(<span class="keyword">const</span> <span class="keywordtype">char</span> *szString)
-<a name="l00249"></a>00249 {
-<a name="l00250"></a>00250 <span class="keywordflow">return</span> 1;
-<a name="l00251"></a>00251 } <span class="comment">/* end of tGetCharacterLength */</span>
-</pre></div></div>
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-<a href="http://www.doxygen.org/index.html">
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