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11 <h1>examples/PIPS/antiword/src/drawfile.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"> * drawfile.c</span> |
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13 <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2005 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 process with the Draw diagram</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 <string.h></span> |
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20 <a name="l00010"></a>00010 <span class="preprocessor">#include "DeskLib:Error.h"</span> |
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21 <a name="l00011"></a>00011 <span class="preprocessor">#include "DeskLib:SWI.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="preprocessor">#define DRAWFILE_OBJECT_TOO_SMALL 200</span> |
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26 <a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_NO_TEXT 201</span> |
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27 <a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_BAD_CHARACTER 202</span> |
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28 <a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_SMALL_MEMORY 203</span> |
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29 <a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_PATH_WITHOUT_LINES 204</span> |
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30 <a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_BAD_PATH_TYPE 205</span> |
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31 <a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_PATH_WITHOUT_END 206</span> |
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32 <a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_BAD_SPRITE_SIZE 207</span> |
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33 <a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_BAD_JPEG_SIZE 208</span> |
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34 <a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_TOO_SMALL 209</span> |
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35 <a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_NOT_A_DRAWFILE 210</span> |
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36 <a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_OBJECT_SIZE 211</span> |
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37 <a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_MANY_FONTTABLES 212</span> |
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38 <a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_TEXT_NO_FONT 213</span> |
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39 <a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_OBJECT_UNEXPECTED 214</span> |
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40 <a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define DRAWFILE_SIZE_ERROR 215</span> |
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41 <a name="l00031"></a>00031 <span class="preprocessor"></span> |
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42 <a name="l00032"></a>00032 <span class="keyword">typedef</span> <span class="keyword">struct </span>drawfile_error_tag { |
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43 <a name="l00033"></a>00033 <span class="keywordtype">int</span> iErrorNumber; |
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44 <a name="l00034"></a>00034 <span class="keyword">const</span> <span class="keywordtype">char</span> *szErrorText; |
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45 <a name="l00035"></a>00035 } drawfile_error_type; |
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46 <a name="l00036"></a>00036 |
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47 <a name="l00037"></a>00037 <span class="keyword">static</span> <span class="keyword">const</span> drawfile_error_type atErrors[] = { |
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48 <a name="l00038"></a>00038 { DRAWFILE_OBJECT_TOO_SMALL, <span class="stringliteral">"Object too small"</span>}, |
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49 <a name="l00039"></a>00039 { DRAWFILE_NO_TEXT, <span class="stringliteral">"Text object without text"</span>}, |
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50 <a name="l00040"></a>00040 { DRAWFILE_BAD_CHARACTER, <span class="stringliteral">"Bad character in string"</span>}, |
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51 <a name="l00041"></a>00041 { DRAWFILE_SMALL_MEMORY, <span class="stringliteral">"Not enough memory reserved"</span>}, |
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52 <a name="l00042"></a>00042 { DRAWFILE_PATH_WITHOUT_LINES, <span class="stringliteral">"This path has no lines"</span>}, |
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53 <a name="l00043"></a>00043 { DRAWFILE_BAD_PATH_TYPE, <span class="stringliteral">"Bad path-type in path"</span>}, |
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54 <a name="l00044"></a>00044 { DRAWFILE_PATH_WITHOUT_END, <span class="stringliteral">"No end of path seen"</span>}, |
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55 <a name="l00045"></a>00045 { DRAWFILE_BAD_SPRITE_SIZE, <span class="stringliteral">"Bad sprite size"</span>}, |
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56 <a name="l00046"></a>00046 { DRAWFILE_BAD_JPEG_SIZE, <span class="stringliteral">"Bad jpeg size"</span>}, |
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57 <a name="l00047"></a>00047 { DRAWFILE_TOO_SMALL, <span class="stringliteral">"Too small to be a drawfile"</span>}, |
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58 <a name="l00048"></a>00048 { DRAWFILE_NOT_A_DRAWFILE, <span class="stringliteral">"Not a drawfile"</span>}, |
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59 <a name="l00049"></a>00049 { DRAWFILE_OBJECT_SIZE, <span class="stringliteral">"Object with incorrect size"</span>}, |
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60 <a name="l00050"></a>00050 { DRAWFILE_MANY_FONTTABLES, <span class="stringliteral">"More than one font table"</span>}, |
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61 <a name="l00051"></a>00051 { DRAWFILE_TEXT_NO_FONT, <span class="stringliteral">"Text, but no font table seen"</span>}, |
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62 <a name="l00052"></a>00052 { DRAWFILE_OBJECT_UNEXPECTED, <span class="stringliteral">"Unexpected object type"</span>}, |
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63 <a name="l00053"></a>00053 { DRAWFILE_SIZE_ERROR, <span class="stringliteral">"Sizes don't match"</span>}, |
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64 <a name="l00054"></a>00054 }; |
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65 <a name="l00055"></a>00055 |
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66 <a name="l00056"></a>00056 |
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67 <a name="l00057"></a>00057 <span class="comment">/*</span> |
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68 <a name="l00058"></a>00058 <span class="comment"> * pFillError - error number to error struct</span> |
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69 <a name="l00059"></a>00059 <span class="comment"> */</span> |
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70 <a name="l00060"></a>00060 <span class="keyword">static</span> os_error * |
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71 <a name="l00061"></a>00061 pFillError(<span class="keywordtype">int</span> iErrorNumber) |
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72 <a name="l00062"></a>00062 { |
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73 <a name="l00063"></a>00063 <span class="keyword">static</span> os_error tError; |
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74 <a name="l00064"></a>00064 <span class="keyword">const</span> drawfile_error_type *pTmp; |
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75 <a name="l00065"></a>00065 <span class="keyword">const</span> <span class="keywordtype">char</span> *szErrorText; |
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76 <a name="l00066"></a>00066 |
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77 <a name="l00067"></a>00067 szErrorText = <span class="stringliteral">"Unknown error"</span>; |
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78 <a name="l00068"></a>00068 <span class="keywordflow">for</span> (pTmp = atErrors; pTmp < atErrors + elementsof(atErrors); pTmp++) { |
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79 <a name="l00069"></a>00069 <span class="keywordflow">if</span> (iErrorNumber == pTmp->iErrorNumber) { |
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80 <a name="l00070"></a>00070 szErrorText = pTmp->szErrorText; |
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81 <a name="l00071"></a>00071 <span class="keywordflow">break</span>; |
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82 <a name="l00072"></a>00072 } |
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83 <a name="l00073"></a>00073 } |
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84 <a name="l00074"></a>00074 tError.errnum = iErrorNumber; |
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85 <a name="l00075"></a>00075 strncpy(tError.errmess, szErrorText, <span class="keyword">sizeof</span>(tError.errmess) - 1); |
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86 <a name="l00076"></a>00076 tError.errmess[<span class="keyword">sizeof</span>(tError.errmess) - 1] = <span class="charliteral">'\0'</span>; |
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87 <a name="l00077"></a>00077 DBG_DEC(tError.errnum); |
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88 <a name="l00078"></a>00078 DBG_MSG(tError.errmess); |
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89 <a name="l00079"></a>00079 <span class="keywordflow">return</span> &tError; |
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90 <a name="l00080"></a>00080 } <span class="comment">/* end of pFillError */</span> |
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91 <a name="l00081"></a>00081 |
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92 <a name="l00082"></a>00082 <span class="comment">/*</span> |
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93 <a name="l00083"></a>00083 <span class="comment"> * Drawfile_BBox - Find the bounding box of a diagram</span> |
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94 <a name="l00084"></a>00084 <span class="comment"> */</span> |
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95 <a name="l00085"></a>00085 os_error * |
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96 <a name="l00086"></a>00086 Drawfile_Bbox(drawfile_bbox_flags flags, |
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97 <a name="l00087"></a>00087 <a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a> <span class="keyword">const</span> *diagram, |
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98 <a name="l00088"></a>00088 <span class="keywordtype">int</span> size, |
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99 <a name="l00089"></a>00089 <a class="code" href="structos__trfm.html">os_trfm</a> <span class="keyword">const</span> *trfm, |
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100 <a name="l00090"></a>00090 wimp_box *bbox) |
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101 <a name="l00091"></a>00091 { |
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102 <a name="l00092"></a>00092 <span class="keywordflow">return</span> SWI(5, 0, DrawFile_BBox | XOS_Bit, |
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103 <a name="l00093"></a>00093 flags, diagram, size, trfm, bbox); |
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104 <a name="l00094"></a>00094 } <span class="comment">/* end of Drawfile_Bbox */</span> |
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105 <a name="l00095"></a>00095 |
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106 <a name="l00096"></a>00096 <span class="comment">/*</span> |
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107 <a name="l00097"></a>00097 <span class="comment"> * Drawfile_CreateDiagram - create an empty drawfile diagram</span> |
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108 <a name="l00098"></a>00098 <span class="comment"> */</span> |
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109 <a name="l00099"></a>00099 os_error * |
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110 <a name="l00100"></a>00100 Drawfile_CreateDiagram(<a class="code" href="structdrawfile__info.html">drawfile_info</a> *pInfo, <span class="keywordtype">size_t</span> tMemorySize, |
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111 <a name="l00101"></a>00101 <span class="keyword">const</span> <span class="keywordtype">char</span> *szCreator, wimp_box tBbox) |
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112 <a name="l00102"></a>00102 { |
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113 <a name="l00103"></a>00103 <a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a> *pDiag; |
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114 <a name="l00104"></a>00104 |
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115 <a name="l00105"></a>00105 <span class="keywordflow">if</span> (tMemorySize < offsetof(<a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a>, objects)) { |
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116 <a name="l00106"></a>00106 <span class="keywordflow">return</span> pFillError(DRAWFILE_SMALL_MEMORY); |
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117 <a name="l00107"></a>00107 } |
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118 <a name="l00108"></a>00108 pDiag = (<a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a> *)pInfo->data; |
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119 <a name="l00109"></a>00109 strncpy(pDiag->tag, <span class="stringliteral">"Draw"</span>, 4); |
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120 <a name="l00110"></a>00110 pDiag->major_version = 201; |
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121 <a name="l00111"></a>00111 pDiag->minor_version = 0; |
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122 <a name="l00112"></a>00112 strncpy(pDiag->source, szCreator, <span class="keyword">sizeof</span>(pDiag->source)); |
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123 <a name="l00113"></a>00113 pDiag->bbox = tBbox; |
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124 <a name="l00114"></a>00114 <span class="comment">/* Memory in use */</span> |
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125 <a name="l00115"></a>00115 pInfo->length = offsetof(<a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a>, objects); |
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126 <a name="l00116"></a>00116 <span class="keywordflow">return</span> NULL; |
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127 <a name="l00117"></a>00117 } <span class="comment">/* end of Drawfile_CreateDiagram */</span> |
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128 <a name="l00118"></a>00118 |
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129 <a name="l00119"></a>00119 <span class="comment">/*</span> |
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130 <a name="l00120"></a>00120 <span class="comment"> * Drawfile_AppendObject - append an object to a diagram</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 os_error * |
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133 <a name="l00123"></a>00123 Drawfile_AppendObject(<a class="code" href="structdrawfile__info.html">drawfile_info</a> *pInfo, <span class="keywordtype">size_t</span> tMemorySize, |
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134 <a name="l00124"></a>00124 <span class="keyword">const</span> <a class="code" href="structdrawfile__object.html">drawfile_object</a> *pObject, BOOL bRebind) |
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135 <a name="l00125"></a>00125 { |
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136 <a name="l00126"></a>00126 wimp_box *pMainBbox; |
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137 <a name="l00127"></a>00127 <span class="keyword">const</span> wimp_box *pBbox; |
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138 <a name="l00128"></a>00128 byte *pAfter; |
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139 <a name="l00129"></a>00129 |
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140 <a name="l00130"></a>00130 <span class="keywordflow">if</span> (tMemorySize < pInfo->length + pObject->size) { |
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141 <a name="l00131"></a>00131 <span class="keywordflow">return</span> pFillError(DRAWFILE_OBJECT_TOO_SMALL); |
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142 <a name="l00132"></a>00132 } |
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143 <a name="l00133"></a>00133 <span class="comment">/* After the last object */</span> |
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144 <a name="l00134"></a>00134 pAfter = (byte *)pInfo->data + pInfo->length; |
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145 <a name="l00135"></a>00135 <span class="comment">/* Copy in the new data */</span> |
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146 <a name="l00136"></a>00136 memcpy(pAfter, pObject, pObject->size); |
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147 <a name="l00137"></a>00137 <span class="comment">/* Rebind if needed */</span> |
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148 <a name="l00138"></a>00138 <span class="keywordflow">if</span> (bRebind) { |
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149 <a name="l00139"></a>00139 pMainBbox = &((<a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a> *)pInfo->data)->bbox; |
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150 <a name="l00140"></a>00140 <span class="keywordflow">switch</span> (pObject->type) { |
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151 <a name="l00141"></a>00141 <span class="keywordflow">case</span> drawfile_TYPE_FONT_TABLE: |
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152 <a name="l00142"></a>00142 pBbox = NULL; |
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153 <a name="l00143"></a>00143 <span class="keywordflow">break</span>; |
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154 <a name="l00144"></a>00144 <span class="keywordflow">case</span> drawfile_TYPE_TEXT: |
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155 <a name="l00145"></a>00145 pBbox = &pObject->data.text.bbox; |
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156 <a name="l00146"></a>00146 <span class="keywordflow">break</span>; |
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157 <a name="l00147"></a>00147 <span class="keywordflow">case</span> drawfile_TYPE_PATH: |
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158 <a name="l00148"></a>00148 pBbox = &pObject->data.path.bbox; |
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159 <a name="l00149"></a>00149 <span class="keywordflow">break</span>; |
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160 <a name="l00150"></a>00150 <span class="keywordflow">case</span> drawfile_TYPE_SPRITE: |
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161 <a name="l00151"></a>00151 pBbox = &pObject->data.sprite.bbox; |
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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 <span class="keywordflow">case</span> drawfile_TYPE_GROUP: |
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164 <a name="l00154"></a>00154 pBbox = &pObject->data.group.bbox; |
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165 <a name="l00155"></a>00155 <span class="keywordflow">break</span>; |
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166 <a name="l00156"></a>00156 <span class="keywordflow">case</span> drawfile_TYPE_TAGGED: |
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167 <a name="l00157"></a>00157 pBbox = &pObject->data.tagged.bbox; |
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168 <a name="l00158"></a>00158 <span class="keywordflow">break</span>; |
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169 <a name="l00159"></a>00159 <span class="keywordflow">case</span> drawfile_TYPE_TEXT_AREA: |
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170 <a name="l00160"></a>00160 pBbox = &pObject->data.text_area.bbox; |
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171 <a name="l00161"></a>00161 <span class="keywordflow">break</span>; |
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172 <a name="l00162"></a>00162 <span class="keywordflow">case</span> drawfile_TYPE_TEXT_COLUMN: |
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173 <a name="l00163"></a>00163 pBbox = NULL; |
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174 <a name="l00164"></a>00164 <span class="keywordflow">break</span>; |
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175 <a name="l00165"></a>00165 <span class="keywordflow">case</span> drawfile_TYPE_OPTIONS: |
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176 <a name="l00166"></a>00166 pBbox = &pObject->data.options.bbox; |
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177 <a name="l00167"></a>00167 <span class="keywordflow">break</span>; |
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178 <a name="l00168"></a>00168 <span class="keywordflow">case</span> drawfile_TYPE_TRFM_TEXT: |
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179 <a name="l00169"></a>00169 pBbox = &pObject->data.trfm_text.bbox; |
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180 <a name="l00170"></a>00170 <span class="keywordflow">break</span>; |
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181 <a name="l00171"></a>00171 <span class="keywordflow">case</span> drawfile_TYPE_TRFM_SPRITE: |
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182 <a name="l00172"></a>00172 pBbox = &pObject->data.trfm_sprite.bbox; |
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183 <a name="l00173"></a>00173 <span class="keywordflow">break</span>; |
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184 <a name="l00174"></a>00174 <span class="keywordflow">case</span> drawfile_TYPE_JPEG: |
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185 <a name="l00175"></a>00175 pBbox = &pObject->data.jpeg.bbox; |
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186 <a name="l00176"></a>00176 <span class="keywordflow">break</span>; |
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187 <a name="l00177"></a>00177 <span class="keywordflow">default</span>: |
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188 <a name="l00178"></a>00178 pBbox = NULL; |
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189 <a name="l00179"></a>00179 <span class="keywordflow">break</span>; |
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190 <a name="l00180"></a>00180 } |
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191 <a name="l00181"></a>00181 <span class="keywordflow">if</span> (pBbox != NULL) { |
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192 <a name="l00182"></a>00182 <span class="keywordflow">if</span> (pBbox->min.x < pMainBbox->min.x) { |
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193 <a name="l00183"></a>00183 pMainBbox->min.x = pBbox->min.x; |
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194 <a name="l00184"></a>00184 } |
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195 <a name="l00185"></a>00185 <span class="keywordflow">if</span> (pBbox->min.y < pMainBbox->min.y) { |
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196 <a name="l00186"></a>00186 pMainBbox->min.y = pBbox->min.y; |
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197 <a name="l00187"></a>00187 } |
|
198 <a name="l00188"></a>00188 <span class="keywordflow">if</span> (pBbox->max.x > pMainBbox->max.x) { |
|
199 <a name="l00189"></a>00189 pMainBbox->max.x = pBbox->max.x; |
|
200 <a name="l00190"></a>00190 } |
|
201 <a name="l00191"></a>00191 <span class="keywordflow">if</span> (pBbox->max.y > pMainBbox->max.y) { |
|
202 <a name="l00192"></a>00192 pMainBbox->max.y = pBbox->max.y; |
|
203 <a name="l00193"></a>00193 } |
|
204 <a name="l00194"></a>00194 } |
|
205 <a name="l00195"></a>00195 } |
|
206 <a name="l00196"></a>00196 <span class="comment">/* Memory in use */</span> |
|
207 <a name="l00197"></a>00197 pInfo->length += pObject->size; |
|
208 <a name="l00198"></a>00198 <span class="keywordflow">return</span> NULL; |
|
209 <a name="l00199"></a>00199 } <span class="comment">/* end of Drawfile_AppendObject */</span> |
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210 <a name="l00200"></a>00200 |
|
211 <a name="l00201"></a>00201 <span class="comment">/*</span> |
|
212 <a name="l00202"></a>00202 <span class="comment"> * Replaces the draw_render_diag function from RISC_OSLib</span> |
|
213 <a name="l00203"></a>00203 <span class="comment"> */</span> |
|
214 <a name="l00204"></a>00204 os_error * |
|
215 <a name="l00205"></a>00205 Drawfile_RenderDiagram(<a class="code" href="structdrawfile__info.html">drawfile_info</a> *pInfo, window_redrawblock *pRedraw, |
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216 <a name="l00206"></a>00206 <span class="keywordtype">double</span> dScale) |
|
217 <a name="l00207"></a>00207 { |
|
218 <a name="l00208"></a>00208 <span class="keywordtype">int</span> aiTransform[6]; |
|
219 <a name="l00209"></a>00209 |
|
220 <a name="l00210"></a>00210 fail(pInfo == NULL); |
|
221 <a name="l00211"></a>00211 fail(pInfo->data == NULL); |
|
222 <a name="l00212"></a>00212 fail(pRedraw == NULL); |
|
223 <a name="l00213"></a>00213 fail(dScale < 0.01); |
|
224 <a name="l00214"></a>00214 |
|
225 <a name="l00215"></a>00215 aiTransform[0] = (int)(dScale * 0x10000); |
|
226 <a name="l00216"></a>00216 aiTransform[1] = 0; |
|
227 <a name="l00217"></a>00217 aiTransform[2] = 0; |
|
228 <a name="l00218"></a>00218 aiTransform[3] = (int)(dScale * 0x10000); |
|
229 <a name="l00219"></a>00219 aiTransform[4] = (pRedraw->rect.min.x - pRedraw->scroll.x) * 256; |
|
230 <a name="l00220"></a>00220 aiTransform[5] = (pRedraw->rect.max.y - pRedraw->scroll.y) * 256; |
|
231 <a name="l00221"></a>00221 |
|
232 <a name="l00222"></a>00222 <span class="keywordflow">return</span> SWI(6, 0, DrawFile_Render | XOS_Bit, |
|
233 <a name="l00223"></a>00223 0, pInfo->data, pInfo->length, aiTransform, &pRedraw->rect, 0); |
|
234 <a name="l00224"></a>00224 } <span class="comment">/* end of Drawfile_RenderDiagram */</span> |
|
235 <a name="l00225"></a>00225 |
|
236 <a name="l00226"></a>00226 <span class="comment">/*</span> |
|
237 <a name="l00227"></a>00227 <span class="comment"> * pVerifyText - verify a text object</span> |
|
238 <a name="l00228"></a>00228 <span class="comment"> */</span> |
|
239 <a name="l00229"></a>00229 <span class="keyword">static</span> os_error * |
|
240 <a name="l00230"></a>00230 pVerifyText(<span class="keyword">const</span> <a class="code" href="structdrawfile__text.html">drawfile_text</a> *pText) |
|
241 <a name="l00231"></a>00231 { |
|
242 <a name="l00232"></a>00232 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *pucTmp; |
|
243 <a name="l00233"></a>00233 |
|
244 <a name="l00234"></a>00234 <span class="keywordflow">if</span> (pText->text[0] == <span class="charliteral">'\0'</span>) { |
|
245 <a name="l00235"></a>00235 <span class="keywordflow">return</span> pFillError(DRAWFILE_NO_TEXT); |
|
246 <a name="l00236"></a>00236 } |
|
247 <a name="l00237"></a>00237 pucTmp = (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)pText->text; |
|
248 <a name="l00238"></a>00238 while (*pucTmp != <span class="charliteral">'\0'</span>) { |
|
249 <a name="l00239"></a>00239 <span class="keywordflow">if</span> (*pucTmp < 0x20 || *pucTmp == 0x7f) { |
|
250 <a name="l00240"></a>00240 <span class="keywordflow">return</span> pFillError(DRAWFILE_BAD_CHARACTER); |
|
251 <a name="l00241"></a>00241 } |
|
252 <a name="l00242"></a>00242 pucTmp++; |
|
253 <a name="l00243"></a>00243 } |
|
254 <a name="l00244"></a>00244 <span class="keywordflow">return</span> NULL; |
|
255 <a name="l00245"></a>00245 } <span class="comment">/* end of pVerifyText */</span> |
|
256 <a name="l00246"></a>00246 |
|
257 <a name="l00247"></a>00247 <span class="comment">/*</span> |
|
258 <a name="l00248"></a>00248 <span class="comment"> * pVerifyPath - verify a path object</span> |
|
259 <a name="l00249"></a>00249 <span class="comment"> */</span> |
|
260 <a name="l00250"></a>00250 <span class="keyword">static</span> os_error * |
|
261 <a name="l00251"></a>00251 pVerifyPath(<span class="keyword">const</span> <a class="code" href="structdrawfile__path.html">drawfile_path</a> *pPath, <span class="keywordtype">int</span> iSize) |
|
262 <a name="l00252"></a>00252 { |
|
263 <a name="l00253"></a>00253 <span class="keyword">const</span> <span class="keywordtype">int</span> *piTmp; |
|
264 <a name="l00254"></a>00254 <span class="keywordtype">int</span> iElements; |
|
265 <a name="l00255"></a>00255 BOOL bLine; |
|
266 <a name="l00256"></a>00256 |
|
267 <a name="l00257"></a>00257 bLine = FALSE; |
|
268 <a name="l00258"></a>00258 iElements = (iSize - offsetof(<a class="code" href="structdrawfile__path.html">drawfile_path</a>, path)) / 4; |
|
269 <a name="l00259"></a>00259 |
|
270 <a name="l00260"></a>00260 <span class="keywordflow">for</span> (piTmp = pPath->path; piTmp < pPath->path + iElements; piTmp++) { |
|
271 <a name="l00261"></a>00261 <span class="keywordflow">switch</span>(*piTmp) { |
|
272 <a name="l00262"></a>00262 <span class="keywordflow">case</span> drawfile_PATH_END_PATH: |
|
273 <a name="l00263"></a>00263 <span class="keywordflow">if</span> (bLine) { |
|
274 <a name="l00264"></a>00264 <span class="keywordflow">return</span> NULL; |
|
275 <a name="l00265"></a>00265 } |
|
276 <a name="l00266"></a>00266 <span class="keywordflow">return</span> pFillError(DRAWFILE_PATH_WITHOUT_LINES); |
|
277 <a name="l00267"></a>00267 <span class="keywordflow">case</span> drawfile_PATH_LINE_TO: |
|
278 <a name="l00268"></a>00268 bLine = TRUE; |
|
279 <a name="l00269"></a>00269 piTmp += 2; |
|
280 <a name="l00270"></a>00270 <span class="keywordflow">break</span>; |
|
281 <a name="l00271"></a>00271 <span class="keywordflow">case</span> drawfile_PATH_MOVE_TO: |
|
282 <a name="l00272"></a>00272 piTmp += 2; |
|
283 <a name="l00273"></a>00273 <span class="keywordflow">break</span>; |
|
284 <a name="l00274"></a>00274 <span class="keywordflow">case</span> drawfile_PATH_CLOSE_LINE: |
|
285 <a name="l00275"></a>00275 bLine = TRUE; |
|
286 <a name="l00276"></a>00276 <span class="keywordflow">break</span>; |
|
287 <a name="l00277"></a>00277 <span class="keywordflow">default</span>: |
|
288 <a name="l00278"></a>00278 <span class="keywordflow">return</span> pFillError(DRAWFILE_BAD_PATH_TYPE); |
|
289 <a name="l00279"></a>00279 } |
|
290 <a name="l00280"></a>00280 } |
|
291 <a name="l00281"></a>00281 <span class="keywordflow">return</span> pFillError(DRAWFILE_PATH_WITHOUT_END); |
|
292 <a name="l00282"></a>00282 } <span class="comment">/* end of pVerifyPath */</span> |
|
293 <a name="l00283"></a>00283 |
|
294 <a name="l00284"></a>00284 <span class="comment">/*</span> |
|
295 <a name="l00285"></a>00285 <span class="comment"> * pVerifySprite - verify a sprite object</span> |
|
296 <a name="l00286"></a>00286 <span class="comment"> */</span> |
|
297 <a name="l00287"></a>00287 <span class="keyword">static</span> os_error * |
|
298 <a name="l00288"></a>00288 pVerifySprite(<span class="keyword">const</span> <a class="code" href="structdrawfile__sprite.html">drawfile_sprite</a> *pSprite, <span class="keywordtype">int</span> iSize) |
|
299 <a name="l00289"></a>00289 { |
|
300 <a name="l00290"></a>00290 iSize -= offsetof(<a class="code" href="structdrawfile__sprite.html">drawfile_sprite</a>, header); |
|
301 <a name="l00291"></a>00291 <span class="keywordflow">if</span> (iSize < pSprite->header.offset_next) { |
|
302 <a name="l00292"></a>00292 DBG_DEC(iSize); |
|
303 <a name="l00293"></a>00293 DBG_DEC(pSprite->header.offset_next); |
|
304 <a name="l00294"></a>00294 <span class="keywordflow">return</span> pFillError(DRAWFILE_BAD_SPRITE_SIZE); |
|
305 <a name="l00295"></a>00295 } |
|
306 <a name="l00296"></a>00296 <span class="keywordflow">return</span> NULL; |
|
307 <a name="l00297"></a>00297 } <span class="comment">/* end of pVerifySprite */</span> |
|
308 <a name="l00298"></a>00298 |
|
309 <a name="l00299"></a>00299 <span class="comment">/*</span> |
|
310 <a name="l00300"></a>00300 <span class="comment"> * pVerifyJpeg - verify a jpeg object</span> |
|
311 <a name="l00301"></a>00301 <span class="comment"> */</span> |
|
312 <a name="l00302"></a>00302 <span class="keyword">static</span> os_error * |
|
313 <a name="l00303"></a>00303 pVerifyJpeg(<span class="keyword">const</span> <a class="code" href="structdrawfile__jpeg.html">drawfile_jpeg</a> *pJpeg, <span class="keywordtype">int</span> iSize) |
|
314 <a name="l00304"></a>00304 { |
|
315 <a name="l00305"></a>00305 iSize -= offsetof(<a class="code" href="structdrawfile__jpeg.html">drawfile_jpeg</a>, data); |
|
316 <a name="l00306"></a>00306 <span class="keywordflow">if</span> (iSize < pJpeg->len) { |
|
317 <a name="l00307"></a>00307 DBG_DEC(iSize); |
|
318 <a name="l00308"></a>00308 DBG_DEC(pJpeg->len); |
|
319 <a name="l00309"></a>00309 <span class="keywordflow">return</span> pFillError(DRAWFILE_BAD_JPEG_SIZE); |
|
320 <a name="l00310"></a>00310 } |
|
321 <a name="l00311"></a>00311 <span class="keywordflow">return</span> NULL; |
|
322 <a name="l00312"></a>00312 } <span class="comment">/* end of pVerifyJpeg */</span> |
|
323 <a name="l00313"></a>00313 |
|
324 <a name="l00314"></a>00314 <span class="comment">/*</span> |
|
325 <a name="l00315"></a>00315 <span class="comment"> * Drawfile_VerifyDiagram - Verify the diagram generated from the Word file</span> |
|
326 <a name="l00316"></a>00316 <span class="comment"> *</span> |
|
327 <a name="l00317"></a>00317 <span class="comment"> * returns NULL if the diagram is correct</span> |
|
328 <a name="l00318"></a>00318 <span class="comment"> */</span> |
|
329 <a name="l00319"></a>00319 os_error * |
|
330 <a name="l00320"></a>00320 Drawfile_VerifyDiagram(<a class="code" href="structdrawfile__info.html">drawfile_info</a> *pInfo) |
|
331 <a name="l00321"></a>00321 { |
|
332 <a name="l00322"></a>00322 <a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a> *pDiag; |
|
333 <a name="l00323"></a>00323 <a class="code" href="structdrawfile__object.html">drawfile_object</a> *pObj; |
|
334 <a name="l00324"></a>00324 os_error *pError; |
|
335 <a name="l00325"></a>00325 <span class="keyword">const</span> <span class="keywordtype">char</span> *pcTmp; |
|
336 <a name="l00326"></a>00326 <span class="keywordtype">int</span> iToGo, iFontTables; |
|
337 <a name="l00327"></a>00327 BOOL bTypeFontTable; |
|
338 <a name="l00328"></a>00328 |
|
339 <a name="l00329"></a>00329 TRACE_MSG(<span class="stringliteral">"Drawfile_VerifyDiagram"</span>); |
|
340 <a name="l00330"></a>00330 |
|
341 <a name="l00331"></a>00331 fail(pInfo == NULL); |
|
342 <a name="l00332"></a>00332 |
|
343 <a name="l00333"></a>00333 <span class="keywordflow">if</span> (pInfo->length < offsetof(<a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a>, objects)) { |
|
344 <a name="l00334"></a>00334 <span class="keywordflow">return</span> pFillError(DRAWFILE_TOO_SMALL); |
|
345 <a name="l00335"></a>00335 } |
|
346 <a name="l00336"></a>00336 |
|
347 <a name="l00337"></a>00337 pDiag = (<a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a> *)pInfo->data; |
|
348 <a name="l00338"></a>00338 if (strncmp(pDiag->tag, <span class="stringliteral">"Draw"</span>, 4) != 0 || |
|
349 <a name="l00339"></a>00339 pDiag->major_version != 201 || |
|
350 <a name="l00340"></a>00340 pDiag->minor_version != 0) { |
|
351 <a name="l00341"></a>00341 <span class="keywordflow">return</span> pFillError(DRAWFILE_NOT_A_DRAWFILE); |
|
352 <a name="l00342"></a>00342 } |
|
353 <a name="l00343"></a>00343 |
|
354 <a name="l00344"></a>00344 iToGo = pInfo->length - offsetof(<a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a>, objects); |
|
355 <a name="l00345"></a>00345 pcTmp = (<span class="keyword">const</span> <span class="keywordtype">char</span> *)pInfo->data + offsetof(<a class="code" href="structdrawfile__diagram.html">drawfile_diagram</a>, objects); |
|
356 <a name="l00346"></a>00346 iFontTables = 0; |
|
357 <a name="l00347"></a>00347 bTypeFontTable = FALSE; |
|
358 <a name="l00348"></a>00348 |
|
359 <a name="l00349"></a>00349 <span class="keywordflow">while</span> (iToGo > 0) { |
|
360 <a name="l00350"></a>00350 pObj = (<a class="code" href="structdrawfile__object.html">drawfile_object</a> *)pcTmp; |
|
361 <a name="l00351"></a>00351 <span class="keywordflow">if</span> (pObj->size < 0 || pObj->size % 4 != 0) { |
|
362 <a name="l00352"></a>00352 <span class="keywordflow">return</span> pFillError(DRAWFILE_OBJECT_SIZE); |
|
363 <a name="l00353"></a>00353 } |
|
364 <a name="l00354"></a>00354 <span class="keywordflow">switch</span> (pObj->type) { |
|
365 <a name="l00355"></a>00355 <span class="keywordflow">case</span> drawfile_TYPE_FONT_TABLE: |
|
366 <a name="l00356"></a>00356 <span class="keywordflow">if</span> (bTypeFontTable) { |
|
367 <a name="l00357"></a>00357 <span class="keywordflow">return</span> pFillError(DRAWFILE_MANY_FONTTABLES); |
|
368 <a name="l00358"></a>00358 } |
|
369 <a name="l00359"></a>00359 bTypeFontTable = TRUE; |
|
370 <a name="l00360"></a>00360 <span class="keywordflow">break</span>; |
|
371 <a name="l00361"></a>00361 <span class="keywordflow">case</span> drawfile_TYPE_TEXT: |
|
372 <a name="l00362"></a>00362 <span class="keywordflow">if</span> (pObj->data.text.style.font_ref != 0 && |
|
373 <a name="l00363"></a>00363 !bTypeFontTable) { |
|
374 <a name="l00364"></a>00364 <span class="keywordflow">return</span> pFillError(DRAWFILE_TEXT_NO_FONT); |
|
375 <a name="l00365"></a>00365 } |
|
376 <a name="l00366"></a>00366 pError = pVerifyText(&pObj->data.text); |
|
377 <a name="l00367"></a>00367 <span class="keywordflow">if</span> (pError != NULL) { |
|
378 <a name="l00368"></a>00368 <span class="keywordflow">return</span> pError; |
|
379 <a name="l00369"></a>00369 } |
|
380 <a name="l00370"></a>00370 <span class="keywordflow">break</span>; |
|
381 <a name="l00371"></a>00371 <span class="keywordflow">case</span> drawfile_TYPE_PATH: |
|
382 <a name="l00372"></a>00372 pError = pVerifyPath(&pObj->data.path, |
|
383 <a name="l00373"></a>00373 pObj->size - offsetof(<a class="code" href="structdrawfile__object.html">drawfile_object</a>, data)); |
|
384 <a name="l00374"></a>00374 <span class="keywordflow">if</span> (pError != NULL) { |
|
385 <a name="l00375"></a>00375 <span class="keywordflow">return</span> pError; |
|
386 <a name="l00376"></a>00376 } |
|
387 <a name="l00377"></a>00377 <span class="keywordflow">break</span>; |
|
388 <a name="l00378"></a>00378 <span class="keywordflow">case</span> drawfile_TYPE_SPRITE: |
|
389 <a name="l00379"></a>00379 pError = pVerifySprite(&pObj->data.sprite, |
|
390 <a name="l00380"></a>00380 pObj->size - offsetof(<a class="code" href="structdrawfile__object.html">drawfile_object</a>, data)); |
|
391 <a name="l00381"></a>00381 <span class="keywordflow">if</span> (pError != NULL) { |
|
392 <a name="l00382"></a>00382 <span class="keywordflow">return</span> pError; |
|
393 <a name="l00383"></a>00383 } |
|
394 <a name="l00384"></a>00384 <span class="keywordflow">break</span>; |
|
395 <a name="l00385"></a>00385 <span class="keywordflow">case</span> drawfile_TYPE_JPEG: |
|
396 <a name="l00386"></a>00386 pError = pVerifyJpeg(&pObj->data.jpeg, |
|
397 <a name="l00387"></a>00387 pObj->size - offsetof(<a class="code" href="structdrawfile__object.html">drawfile_object</a>, data)); |
|
398 <a name="l00388"></a>00388 <span class="keywordflow">if</span> (pError != NULL) { |
|
399 <a name="l00389"></a>00389 <span class="keywordflow">return</span> pError; |
|
400 <a name="l00390"></a>00390 } |
|
401 <a name="l00391"></a>00391 <span class="keywordflow">break</span>; |
|
402 <a name="l00392"></a>00392 <span class="keywordflow">default</span>: |
|
403 <a name="l00393"></a>00393 DBG_DEC(pObj->type); |
|
404 <a name="l00394"></a>00394 <span class="keywordflow">return</span> pFillError(DRAWFILE_OBJECT_UNEXPECTED); |
|
405 <a name="l00395"></a>00395 } |
|
406 <a name="l00396"></a>00396 pcTmp += pObj->size; |
|
407 <a name="l00397"></a>00397 iToGo -= pObj->size; |
|
408 <a name="l00398"></a>00398 } |
|
409 <a name="l00399"></a>00399 <span class="keywordflow">if</span> (iToGo < 0) { |
|
410 <a name="l00400"></a>00400 <span class="keywordflow">return</span> pFillError(DRAWFILE_SIZE_ERROR); |
|
411 <a name="l00401"></a>00401 } |
|
412 <a name="l00402"></a>00402 <span class="keywordflow">return</span> NULL; |
|
413 <a name="l00403"></a>00403 } <span class="comment">/* end of Drawfile_VerifyDiagram */</span> |
|
414 <a name="l00404"></a>00404 |
|
415 <a name="l00405"></a>00405 <span class="comment">/*</span> |
|
416 <a name="l00406"></a>00406 <span class="comment"> * Drawfile_QueryBox - Find the bounding box of a diagram</span> |
|
417 <a name="l00407"></a>00407 <span class="comment"> */</span> |
|
418 <a name="l00408"></a>00408 <span class="keywordtype">void</span> |
|
419 <a name="l00409"></a>00409 Drawfile_QueryBox(<a class="code" href="structdrawfile__info.html">drawfile_info</a> *pInfo, wimp_box *pRect, BOOL bScreenUnits) |
|
420 <a name="l00410"></a>00410 { |
|
421 <a name="l00411"></a>00411 fail(pInfo == NULL); |
|
422 <a name="l00412"></a>00412 fail(pRect == NULL); |
|
423 <a name="l00413"></a>00413 |
|
424 <a name="l00414"></a>00414 Error_CheckFatal(Drawfile_Bbox(0, |
|
425 <a name="l00415"></a>00415 pInfo->data, pInfo->length, NULL, pRect)); |
|
426 <a name="l00416"></a>00416 <span class="keywordflow">if</span> (bScreenUnits) { |
|
427 <a name="l00417"></a>00417 pRect->min.x = Drawfile_DrawToScreen(pRect->min.x); |
|
428 <a name="l00418"></a>00418 pRect->min.y = Drawfile_DrawToScreen(pRect->min.y); |
|
429 <a name="l00419"></a>00419 pRect->max.x = Drawfile_DrawToScreen(pRect->max.x); |
|
430 <a name="l00420"></a>00420 pRect->max.y = Drawfile_DrawToScreen(pRect->max.y); |
|
431 <a name="l00421"></a>00421 } |
|
432 <a name="l00422"></a>00422 } <span class="comment">/* end of Drawfile_QueryBox */</span> |
|
433 </pre></div></div> |
|
434 <hr size="1"/><address style="text-align: right;"><small>Generated by |
|
435 <a href="http://www.doxygen.org/index.html"> |
|
436 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> |
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437 </body> |
|
438 </html> |
|