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5 <title>TB9.2 Example Applications: examples/PIPS/antiword/src/fonts_r.c Source File</title> |
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11 <h1>examples/PIPS/antiword/src/fonts_r.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
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12 <a name="l00002"></a>00002 <span class="comment"> * fonts_r.c</span> |
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13 <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1999-2002 A.J. van Os; Released under GPL</span> |
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14 <a name="l00004"></a>00004 <span class="comment"> *</span> |
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15 <a name="l00005"></a>00005 <span class="comment"> * Description:</span> |
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16 <a name="l00006"></a>00006 <span class="comment"> * Functions to deal with fonts (RiscOs version)</span> |
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17 <a name="l00007"></a>00007 <span class="comment"> */</span> |
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18 <a name="l00008"></a>00008 |
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19 <a name="l00009"></a>00009 <span class="preprocessor">#include <stdlib.h></span> |
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20 <a name="l00010"></a>00010 <span class="preprocessor">#include <string.h></span> |
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21 <a name="l00011"></a>00011 <span class="preprocessor">#include "DeskLib:Font.h"</span> |
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22 <a name="l00012"></a>00012 <span class="preprocessor">#include "drawfile.h"</span> |
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23 <a name="l00013"></a>00013 <span class="preprocessor">#include "antiword.h"</span> |
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24 <a name="l00014"></a>00014 |
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25 <a name="l00015"></a>00015 <span class="keyword">static</span> font_handle tFontCurr = (font_handle)-1; |
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26 <a name="l00016"></a>00016 |
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27 <a name="l00017"></a>00017 <span class="comment">/*</span> |
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28 <a name="l00018"></a>00018 <span class="comment"> * pOpenFontTableFile - open the Font translation file</span> |
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29 <a name="l00019"></a>00019 <span class="comment"> * Copy the file to the proper place if necessary.</span> |
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30 <a name="l00020"></a>00020 <span class="comment"> *</span> |
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31 <a name="l00021"></a>00021 <span class="comment"> * Returns the file pointer or NULL</span> |
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32 <a name="l00022"></a>00022 <span class="comment"> */</span> |
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33 <a name="l00023"></a>00023 FILE * |
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34 <a name="l00024"></a>00024 pOpenFontTableFile(<span class="keywordtype">void</span>) |
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35 <a name="l00025"></a>00025 { |
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36 <a name="l00026"></a>00026 FILE *pFileR, *pFileW; |
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37 <a name="l00027"></a>00027 <span class="keywordtype">char</span> *szFontNamesFile; |
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38 <a name="l00028"></a>00028 <span class="keywordtype">size_t</span> tSize; |
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39 <a name="l00029"></a>00029 BOOL bFailed; |
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40 <a name="l00030"></a>00030 <span class="keywordtype">char</span> acBuffer[256]; |
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41 <a name="l00031"></a>00031 |
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42 <a name="l00032"></a>00032 pFileR = fopen(<span class="stringliteral">"<AntiWord$FontNamesFile>"</span>, <span class="stringliteral">"r"</span>); |
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43 <a name="l00033"></a>00033 <span class="keywordflow">if</span> (pFileR != NULL) { |
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44 <a name="l00034"></a>00034 <span class="comment">/* The font table is already in the right directory */</span> |
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45 <a name="l00035"></a>00035 <span class="keywordflow">return</span> pFileR; |
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46 <a name="l00036"></a>00036 } |
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47 <a name="l00037"></a>00037 |
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48 <a name="l00038"></a>00038 szFontNamesFile = getenv(<span class="stringliteral">"AntiWord$FontNamesSave"</span>); |
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49 <a name="l00039"></a>00039 <span class="keywordflow">if</span> (szFontNamesFile == NULL) { |
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50 <a name="l00040"></a>00040 werr(0, <span class="stringliteral">"Warning: Name of the FontNames file not found"</span>); |
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51 <a name="l00041"></a>00041 <span class="keywordflow">return</span> NULL; |
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52 <a name="l00042"></a>00042 } |
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53 <a name="l00043"></a>00043 DBG_MSG(szFontNamesFile); |
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54 <a name="l00044"></a>00044 |
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55 <a name="l00045"></a>00045 pFileR = fopen(<span class="stringliteral">"<AntiWord$Dir>.Resources.Default"</span>, <span class="stringliteral">"r"</span>); |
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56 <a name="l00046"></a>00046 <span class="keywordflow">if</span> (pFileR == NULL) { |
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57 <a name="l00047"></a>00047 werr(0, <span class="stringliteral">"I can't find 'Resources.Default'"</span>); |
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58 <a name="l00048"></a>00048 <span class="keywordflow">return</span> NULL; |
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59 <a name="l00049"></a>00049 } |
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60 <a name="l00050"></a>00050 <span class="comment">/* Here the default font translation table is known to exist */</span> |
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61 <a name="l00051"></a>00051 |
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62 <a name="l00052"></a>00052 <span class="keywordflow">if</span> (!bMakeDirectory(szFontNamesFile)) { |
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63 <a name="l00053"></a>00053 werr(0, |
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64 <a name="l00054"></a>00054 <span class="stringliteral">"I can't make a directory for the FontNames file"</span>); |
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65 <a name="l00055"></a>00055 <span class="keywordflow">return</span> NULL; |
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66 <a name="l00056"></a>00056 } |
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67 <a name="l00057"></a>00057 <span class="comment">/* Here the proper directory is known to exist */</span> |
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68 <a name="l00058"></a>00058 |
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69 <a name="l00059"></a>00059 pFileW = fopen(szFontNamesFile, <span class="stringliteral">"w"</span>); |
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70 <a name="l00060"></a>00060 <span class="keywordflow">if</span> (pFileW == NULL) { |
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71 <a name="l00061"></a>00061 (void)fclose(pFileR); |
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72 <a name="l00062"></a>00062 werr(0, <span class="stringliteral">"I can't create a default FontNames file"</span>); |
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73 <a name="l00063"></a>00063 <span class="keywordflow">return</span> NULL; |
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74 <a name="l00064"></a>00064 } |
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75 <a name="l00065"></a>00065 <span class="comment">/* Here the proper directory is known to be writeable */</span> |
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76 <a name="l00066"></a>00066 |
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77 <a name="l00067"></a>00067 <span class="comment">/* Copy the default FontNames file */</span> |
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78 <a name="l00068"></a>00068 bFailed = FALSE; |
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79 <a name="l00069"></a>00069 <span class="keywordflow">while</span> (!feof(pFileR)) { |
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80 <a name="l00070"></a>00070 tSize = fread(acBuffer, 1, <span class="keyword">sizeof</span>(acBuffer), pFileR); |
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81 <a name="l00071"></a>00071 <span class="keywordflow">if</span> (ferror(pFileR)) { |
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82 <a name="l00072"></a>00072 DBG_MSG(<span class="stringliteral">"Read error"</span>); |
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83 <a name="l00073"></a>00073 bFailed = TRUE; |
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84 <a name="l00074"></a>00074 <span class="keywordflow">break</span>; |
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85 <a name="l00075"></a>00075 } |
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86 <a name="l00076"></a>00076 <span class="keywordflow">if</span> (fwrite(acBuffer, 1, tSize, pFileW) != tSize) { |
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87 <a name="l00077"></a>00077 DBG_MSG(<span class="stringliteral">"Write error"</span>); |
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88 <a name="l00078"></a>00078 bFailed = TRUE; |
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89 <a name="l00079"></a>00079 <span class="keywordflow">break</span>; |
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90 <a name="l00080"></a>00080 } |
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91 <a name="l00081"></a>00081 } |
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92 <a name="l00082"></a>00082 (void)fclose(pFileW); |
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93 <a name="l00083"></a>00083 (void)fclose(pFileR); |
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94 <a name="l00084"></a>00084 <span class="keywordflow">if</span> (bFailed) { |
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95 <a name="l00085"></a>00085 DBG_MSG(<span class="stringliteral">"Copying the FontNames file failed"</span>); |
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96 <a name="l00086"></a>00086 (void)<span class="keyword">remove</span>(szFontNamesFile); |
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97 <a name="l00087"></a>00087 <span class="keywordflow">return</span> NULL; |
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98 <a name="l00088"></a>00088 } |
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99 <a name="l00089"></a>00089 <span class="keywordflow">return</span> fopen(szFontNamesFile, <span class="stringliteral">"r"</span>); |
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100 <a name="l00090"></a>00090 } <span class="comment">/* end of pOpenFontTableFile */</span> |
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101 <a name="l00091"></a>00091 |
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102 <a name="l00092"></a>00092 <span class="comment">/*</span> |
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103 <a name="l00093"></a>00093 <span class="comment"> * vCloseFont - close the current font, if any</span> |
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104 <a name="l00094"></a>00094 <span class="comment"> */</span> |
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105 <a name="l00095"></a>00095 <span class="keywordtype">void</span> |
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106 <a name="l00096"></a>00096 vCloseFont(<span class="keywordtype">void</span>) |
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107 <a name="l00097"></a>00097 { |
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108 <a name="l00098"></a>00098 os_error *e; |
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109 <a name="l00099"></a>00099 |
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110 <a name="l00100"></a>00100 NO_DBG_MSG(<span class="stringliteral">"vCloseFont"</span>); |
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111 <a name="l00101"></a>00101 |
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112 <a name="l00102"></a>00102 <span class="keywordflow">if</span> (tFontCurr == (font_handle)-1) { |
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113 <a name="l00103"></a>00103 <span class="keywordflow">return</span>; |
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114 <a name="l00104"></a>00104 } |
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115 <a name="l00105"></a>00105 e = Font_LoseFont(tFontCurr); |
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116 <a name="l00106"></a>00106 <span class="keywordflow">if</span> (e != NULL) { |
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117 <a name="l00107"></a>00107 werr(0, <span class="stringliteral">"Close font error %d: %s"</span>, e->errnum, e->errmess); |
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118 <a name="l00108"></a>00108 } |
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119 <a name="l00109"></a>00109 tFontCurr = (font_handle)-1; |
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120 <a name="l00110"></a>00110 } <span class="comment">/* end of vCloseFont */</span> |
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121 <a name="l00111"></a>00111 |
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122 <a name="l00112"></a>00112 <span class="comment">/*</span> |
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123 <a name="l00113"></a>00113 <span class="comment"> * tOpenFont - make the specified font the current font</span> |
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124 <a name="l00114"></a>00114 <span class="comment"> *</span> |
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125 <a name="l00115"></a>00115 <span class="comment"> * Returns the font reference number for use in a draw file</span> |
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126 <a name="l00116"></a>00116 <span class="comment"> */</span> |
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127 <a name="l00117"></a>00117 drawfile_fontref |
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128 <a name="l00118"></a>00118 tOpenFont(UCHAR ucWordFontNumber, USHORT usFontStyle, USHORT usWordFontSize) |
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129 <a name="l00119"></a>00119 { |
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130 <a name="l00120"></a>00120 os_error *e; |
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131 <a name="l00121"></a>00121 <span class="keyword">const</span> <span class="keywordtype">char</span> *szOurFontname; |
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132 <a name="l00122"></a>00122 font_handle tFont; |
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133 <a name="l00123"></a>00123 <span class="keywordtype">int</span> iFontnumber; |
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134 <a name="l00124"></a>00124 |
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135 <a name="l00125"></a>00125 NO_DBG_MSG(<span class="stringliteral">"tOpenFont"</span>); |
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136 <a name="l00126"></a>00126 NO_DBG_DEC(ucWordFontNumber); |
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137 <a name="l00127"></a>00127 NO_DBG_HEX(usFontStyle); |
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138 <a name="l00128"></a>00128 NO_DBG_DEC(usWordFontSize); |
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139 <a name="l00129"></a>00129 |
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140 <a name="l00130"></a>00130 <span class="comment">/* Keep the relevant bits */</span> |
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141 <a name="l00131"></a>00131 usFontStyle &= FONT_BOLD|FONT_ITALIC; |
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142 <a name="l00132"></a>00132 NO_DBG_HEX(usFontStyle); |
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143 <a name="l00133"></a>00133 |
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144 <a name="l00134"></a>00134 iFontnumber = iGetFontByNumber(ucWordFontNumber, usFontStyle); |
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145 <a name="l00135"></a>00135 szOurFontname = szGetOurFontname(iFontnumber); |
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146 <a name="l00136"></a>00136 <span class="keywordflow">if</span> (szOurFontname == NULL || szOurFontname[0] == <span class="charliteral">'\0'</span>) { |
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147 <a name="l00137"></a>00137 tFontCurr = (font_handle)-1; |
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148 <a name="l00138"></a>00138 <span class="keywordflow">return</span> (byte)0; |
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149 <a name="l00139"></a>00139 } |
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150 <a name="l00140"></a>00140 NO_DBG_MSG(szOurFontname); |
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151 <a name="l00141"></a>00141 e = Font_FindFont(&tFont, (<span class="keywordtype">char</span> *)szOurFontname, |
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152 <a name="l00142"></a>00142 (<span class="keywordtype">int</span>)usWordFontSize * 8, (<span class="keywordtype">int</span>)usWordFontSize * 8, |
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153 <a name="l00143"></a>00143 0, 0); |
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154 <a name="l00144"></a>00144 <span class="keywordflow">if</span> (e != NULL) { |
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155 <a name="l00145"></a>00145 <span class="keywordflow">switch</span> (e->errnum) { |
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156 <a name="l00146"></a>00146 <span class="keywordflow">case</span> 523: |
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157 <a name="l00147"></a>00147 werr(0, <span class="stringliteral">"%s"</span>, e->errmess); |
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158 <a name="l00148"></a>00148 <span class="keywordflow">break</span>; |
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159 <a name="l00149"></a>00149 <span class="keywordflow">default</span>: |
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160 <a name="l00150"></a>00150 werr(0, <span class="stringliteral">"Open font error %d: %s"</span>, |
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161 <a name="l00151"></a>00151 e->errnum, e->errmess); |
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162 <a name="l00152"></a>00152 <span class="keywordflow">break</span>; |
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163 <a name="l00153"></a>00153 } |
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164 <a name="l00154"></a>00154 tFontCurr = (font_handle)-1; |
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165 <a name="l00155"></a>00155 <span class="keywordflow">return</span> (drawfile_fontref)0; |
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166 <a name="l00156"></a>00156 } |
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167 <a name="l00157"></a>00157 tFontCurr = tFont; |
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168 <a name="l00158"></a>00158 NO_DBG_DEC(tFontCurr); |
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169 <a name="l00159"></a>00159 <span class="keywordflow">return</span> (drawfile_fontref)(iFontnumber + 1); |
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170 <a name="l00160"></a>00160 } <span class="comment">/* end of tOpenFont */</span> |
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171 <a name="l00161"></a>00161 |
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172 <a name="l00162"></a>00162 <span class="comment">/*</span> |
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173 <a name="l00163"></a>00163 <span class="comment"> * tOpenTableFont - make the table font the current font</span> |
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174 <a name="l00164"></a>00164 <span class="comment"> *</span> |
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175 <a name="l00165"></a>00165 <span class="comment"> * Returns the font reference number for use in a draw file</span> |
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176 <a name="l00166"></a>00166 <span class="comment"> */</span> |
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177 <a name="l00167"></a>00167 drawfile_fontref |
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178 <a name="l00168"></a>00168 tOpenTableFont(USHORT usWordFontSize) |
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179 <a name="l00169"></a>00169 { |
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180 <a name="l00170"></a>00170 <span class="keywordtype">int</span> iWordFontnumber; |
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181 <a name="l00171"></a>00171 |
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182 <a name="l00172"></a>00172 NO_DBG_MSG(<span class="stringliteral">"tOpenTableFont"</span>); |
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183 <a name="l00173"></a>00173 |
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184 <a name="l00174"></a>00174 iWordFontnumber = iFontname2Fontnumber(TABLE_FONT, FONT_REGULAR); |
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185 <a name="l00175"></a>00175 <span class="keywordflow">if</span> (iWordFontnumber < 0 || iWordFontnumber > (<span class="keywordtype">int</span>)UCHAR_MAX) { |
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186 <a name="l00176"></a>00176 DBG_DEC(iWordFontnumber); |
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187 <a name="l00177"></a>00177 tFontCurr = (font_handle)-1; |
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188 <a name="l00178"></a>00178 <span class="keywordflow">return</span> (drawfile_fontref)0; |
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189 <a name="l00179"></a>00179 } |
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190 <a name="l00180"></a>00180 |
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191 <a name="l00181"></a>00181 <span class="keywordflow">return</span> tOpenFont((UCHAR)iWordFontnumber, FONT_REGULAR, usWordFontSize); |
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192 <a name="l00182"></a>00182 } <span class="comment">/* end of tOpenTableFont */</span> |
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193 <a name="l00183"></a>00183 |
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194 <a name="l00184"></a>00184 <span class="comment">/*</span> |
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195 <a name="l00185"></a>00185 <span class="comment"> * lComputeStringWidth - compute the string width</span> |
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196 <a name="l00186"></a>00186 <span class="comment"> *</span> |
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197 <a name="l00187"></a>00187 <span class="comment"> * Returns the string width in millipoints</span> |
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198 <a name="l00188"></a>00188 <span class="comment"> */</span> |
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199 <a name="l00189"></a>00189 <span class="keywordtype">long</span> |
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200 <a name="l00190"></a>00190 lComputeStringWidth(<span class="keyword">const</span> <span class="keywordtype">char</span> *szString, <span class="keywordtype">size_t</span> tStringLength, |
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201 <a name="l00191"></a>00191 drawfile_fontref tFontRef, USHORT usFontSize) |
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202 <a name="l00192"></a>00192 { |
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203 <a name="l00193"></a>00193 font_string tStr; |
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204 <a name="l00194"></a>00194 os_error *e; |
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205 <a name="l00195"></a>00195 |
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206 <a name="l00196"></a>00196 fail(szString == NULL); |
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207 <a name="l00197"></a>00197 fail(usFontSize < MIN_FONT_SIZE || usFontSize > MAX_FONT_SIZE); |
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208 <a name="l00198"></a>00198 |
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209 <a name="l00199"></a>00199 <span class="keywordflow">if</span> (szString[0] == <span class="charliteral">'\0'</span> || tStringLength == 0) { |
|
210 <a name="l00200"></a>00200 <span class="comment">/* Empty string */</span> |
|
211 <a name="l00201"></a>00201 <span class="keywordflow">return</span> 0; |
|
212 <a name="l00202"></a>00202 } |
|
213 <a name="l00203"></a>00203 <span class="keywordflow">if</span> (tStringLength == 1 && szString[0] == TABLE_SEPARATOR) { |
|
214 <a name="l00204"></a>00204 <span class="comment">/* Font_strwidth doesn't like control characters */</span> |
|
215 <a name="l00205"></a>00205 <span class="keywordflow">return</span> 0; |
|
216 <a name="l00206"></a>00206 } |
|
217 <a name="l00207"></a>00207 <span class="keywordflow">if</span> (tFontCurr == (font_handle)-1) { |
|
218 <a name="l00208"></a>00208 <span class="comment">/* No current font, use systemfont */</span> |
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219 <a name="l00209"></a>00209 <span class="keywordflow">return</span> lChar2MilliPoints(tStringLength); |
|
220 <a name="l00210"></a>00210 } |
|
221 <a name="l00211"></a>00211 tStr.s = (<span class="keywordtype">char</span> *)szString; |
|
222 <a name="l00212"></a>00212 tStr.x = INT_MAX; |
|
223 <a name="l00213"></a>00213 tStr.y = INT_MAX; |
|
224 <a name="l00214"></a>00214 tStr.split = -1; |
|
225 <a name="l00215"></a>00215 tStr.term = tStringLength; |
|
226 <a name="l00216"></a>00216 e = Font_StringWidth(&tStr); |
|
227 <a name="l00217"></a>00217 <span class="keywordflow">if</span> (e == NULL) { |
|
228 <a name="l00218"></a>00218 <span class="keywordflow">return</span> (<span class="keywordtype">long</span>)tStr.x; |
|
229 <a name="l00219"></a>00219 } |
|
230 <a name="l00220"></a>00220 DBG_DEC(e->errnum); |
|
231 <a name="l00221"></a>00221 DBG_MSG(e->errmess); |
|
232 <a name="l00222"></a>00222 DBG_DEC(tStringLength); |
|
233 <a name="l00223"></a>00223 DBG_MSG(szString); |
|
234 <a name="l00224"></a>00224 werr(0, <span class="stringliteral">"String width error %d: %s"</span>, e->errnum, e->errmess); |
|
235 <a name="l00225"></a>00225 <span class="keywordflow">return</span> lChar2MilliPoints(tStringLength); |
|
236 <a name="l00226"></a>00226 } <span class="comment">/* end of lComputeStringWidth */</span> |
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237 <a name="l00227"></a>00227 |
|
238 <a name="l00228"></a>00228 <span class="comment">/*</span> |
|
239 <a name="l00229"></a>00229 <span class="comment"> * tCountColumns - count the number of columns in a string</span> |
|
240 <a name="l00230"></a>00230 <span class="comment"> *</span> |
|
241 <a name="l00231"></a>00231 <span class="comment"> * Returns the number of columns</span> |
|
242 <a name="l00232"></a>00232 <span class="comment"> */</span> |
|
243 <a name="l00233"></a>00233 <span class="keywordtype">size_t</span> |
|
244 <a name="l00234"></a>00234 tCountColumns(<span class="keyword">const</span> <span class="keywordtype">char</span> *szString, <span class="keywordtype">size_t</span> tLength) |
|
245 <a name="l00235"></a>00235 { |
|
246 <a name="l00236"></a>00236 fail(szString == NULL); |
|
247 <a name="l00237"></a>00237 |
|
248 <a name="l00238"></a>00238 <span class="comment">/* One byte, one character, one column */</span> |
|
249 <a name="l00239"></a>00239 <span class="keywordflow">return</span> tLength; |
|
250 <a name="l00240"></a>00240 } <span class="comment">/* end of tCountColumns */</span> |
|
251 <a name="l00241"></a>00241 |
|
252 <a name="l00242"></a>00242 <span class="comment">/*</span> |
|
253 <a name="l00243"></a>00243 <span class="comment"> * tGetCharacterLength - the length of the specified character in bytes</span> |
|
254 <a name="l00244"></a>00244 <span class="comment"> *</span> |
|
255 <a name="l00245"></a>00245 <span class="comment"> * Returns the length in bytes</span> |
|
256 <a name="l00246"></a>00246 <span class="comment"> */</span> |
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257 <a name="l00247"></a>00247 <span class="keywordtype">size_t</span> |
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258 <a name="l00248"></a>00248 tGetCharacterLength(<span class="keyword">const</span> <span class="keywordtype">char</span> *szString) |
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259 <a name="l00249"></a>00249 { |
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260 <a name="l00250"></a>00250 <span class="keywordflow">return</span> 1; |
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261 <a name="l00251"></a>00251 } <span class="comment">/* end of tGetCharacterLength */</span> |
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262 </pre></div></div> |
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263 <hr size="1"/><address style="text-align: right;"><small>Generated by |
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264 <a href="http://www.doxygen.org/index.html"> |
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265 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> |
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266 </body> |
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267 </html> |
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