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<h1>FTFace.cpp</h1><a href="FTFace_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include "FTFace.h"</span>
<a name="l00002"></a>00002 <span class="preprocessor">#include "FTLibrary.h"</span>
<a name="l00003"></a>00003
<a name="l00004"></a>00004 <span class="preprocessor">#include FT_TRUETYPE_TABLES_H</span>
<a name="l00005"></a>00005 <span class="preprocessor"></span>
<a name="l00006"></a>00006 FTFace::FTFace( <span class="keyword">const</span> <span class="keywordtype">char</span>* filename)
<a name="l00007"></a>00007 : numGlyphs(0),
<a name="l00008"></a>00008 fontEncodingList(0),
<a name="l00009"></a>00009 err(0)
<a name="l00010"></a>00010 {
<a name="l00011"></a>00011 <span class="keyword">const</span> FT_Long DEFAULT_FACE_INDEX = 0;
<a name="l00012"></a>00012 ftFace = <span class="keyword">new</span> FT_Face;
<a name="l00013"></a>00013
<a name="l00014"></a>00014 err = FT_New_Face( *FTLibrary::Instance().GetLibrary(), filename, DEFAULT_FACE_INDEX, ftFace);
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="keywordflow">if</span>( err)
<a name="l00017"></a>00017 {
<a name="l00018"></a>00018 <span class="keyword">delete</span> ftFace;
<a name="l00019"></a>00019 ftFace = 0;
<a name="l00020"></a>00020 }
<a name="l00021"></a>00021 <span class="keywordflow">else</span>
<a name="l00022"></a>00022 {
<a name="l00023"></a>00023 numGlyphs = (*ftFace)->num_glyphs;
<a name="l00024"></a>00024 }
<a name="l00025"></a>00025 }
<a name="l00026"></a>00026
<a name="l00027"></a>00027
<a name="l00028"></a>00028 FTFace::FTFace( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *pBufferBytes, size_t bufferSizeInBytes)
<a name="l00029"></a>00029 : numGlyphs(0),
<a name="l00030"></a>00030 err(0)
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <span class="keyword">const</span> FT_Long DEFAULT_FACE_INDEX = 0;
<a name="l00033"></a>00033 ftFace = <span class="keyword">new</span> FT_Face;
<a name="l00034"></a>00034
<a name="l00035"></a>00035 err = FT_New_Memory_Face( *FTLibrary::Instance().GetLibrary(), (FT_Byte *)pBufferBytes, bufferSizeInBytes, DEFAULT_FACE_INDEX, ftFace);
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keywordflow">if</span>( err)
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keyword">delete</span> ftFace;
<a name="l00040"></a>00040 ftFace = 0;
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042 <span class="keywordflow">else</span>
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 numGlyphs = (*ftFace)->num_glyphs;
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048
<a name="l00049"></a>00049 FTFace::~FTFace()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 Close();
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordtype">bool</span> FTFace::Attach( <span class="keyword">const</span> <span class="keywordtype">char</span>* filename)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 err = FT_Attach_File( *ftFace, filename);
<a name="l00058"></a>00058 <span class="keywordflow">return</span> !err;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keywordtype">bool</span> FTFace::Attach( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *pBufferBytes, size_t bufferSizeInBytes)
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 FT_Open_Args open;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 open.flags = FT_OPEN_MEMORY;
<a name="l00067"></a>00067 open.memory_base = (FT_Byte *)pBufferBytes;
<a name="l00068"></a>00068 open.memory_size = bufferSizeInBytes;
<a name="l00069"></a>00069
<a name="l00070"></a>00070 err = FT_Attach_Stream( *ftFace, &open);
<a name="l00071"></a>00071 <span class="keywordflow">return</span> !err;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keywordtype">void</span> FTFace::Close()
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <span class="keywordflow">if</span>( ftFace)
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 FT_Done_Face( *ftFace);
<a name="l00080"></a>00080 <span class="keyword">delete</span> ftFace;
<a name="l00081"></a>00081 ftFace = 0;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keyword">const</span> FTSize& FTFace::Size( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> res)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 charSize.CharSize( ftFace, size, res, res);
<a name="l00089"></a>00089 err = charSize.Error();
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordflow">return</span> charSize;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> FTFace::CharMapCount()
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="keywordflow">return</span> (*ftFace)->num_charmaps;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100
<a name="l00101"></a>00101 FT_Encoding* FTFace::CharMapList()
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="keywordflow">if</span>( 0 == fontEncodingList)
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105 fontEncodingList = <span class="keyword">new</span> FT_Encoding[CharMapCount()];
<a name="l00106"></a>00106 <span class="keywordflow">for</span>( size_t encodingIndex = 0; encodingIndex < CharMapCount(); ++encodingIndex)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108 fontEncodingList[encodingIndex] = (*ftFace)->charmaps[encodingIndex]->encoding;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keywordflow">return</span> fontEncodingList;
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> FTFace::UnitsPerEM()<span class="keyword"> const</span>
<a name="l00117"></a>00117 <span class="keyword"></span>{
<a name="l00118"></a>00118 <span class="keywordflow">return</span> (*ftFace)->units_per_EM;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121
<a name="l00122"></a>00122 FTPoint FTFace::KernAdvance( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index1, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index2)
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <span class="keywordtype">float</span> x, y;
<a name="l00125"></a>00125 x = y = 0.0f;
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keywordflow">if</span>( FT_HAS_KERNING((*ftFace)) && index1 && index2)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 FT_Vector kernAdvance;
<a name="l00130"></a>00130 kernAdvance.x = kernAdvance.y = 0;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 err = FT_Get_Kerning( *ftFace, index1, index2, ft_kerning_unfitted, &kernAdvance);
<a name="l00133"></a>00133 <span class="keywordflow">if</span>( !err)
<a name="l00134"></a>00134 {
<a name="l00135"></a>00135 x = static_cast<float>( kernAdvance.x) / 64.0f;
<a name="l00136"></a>00136 y = static_cast<float>( kernAdvance.y) / 64.0f;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordflow">return</span> FTPoint( x, y, 0.0);
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143
<a name="l00144"></a>00144 FT_GlyphSlot FTFace::Glyph( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index, FT_Int load_flags)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 err = FT_Load_Glyph( *ftFace, index, load_flags);
<a name="l00147"></a>00147 <span class="keywordflow">if</span>( err)
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 <span class="keywordflow">return</span> NULL;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="keywordflow">return</span> (*ftFace)->glyph;
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Wed Aug 23 03:47:29 2006 for FTGL by
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