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<title>FTGL: FTBitmapGlyph.cpp Source File</title>
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<h1>FTBitmapGlyph.cpp</h1><a href="FTBitmapGlyph_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 <string></span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="preprocessor">#include "FTBitmapGlyph.h"</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 FTBitmapGlyph::FTBitmapGlyph( FT_GlyphSlot glyph)
<a name="l00006"></a>00006 : FTGlyph( glyph),
<a name="l00007"></a>00007 destWidth(0),
<a name="l00008"></a>00008 destHeight(0),
<a name="l00009"></a>00009 data(0)
<a name="l00010"></a>00010 {
<a name="l00011"></a>00011 err = FT_Render_Glyph( glyph, FT_RENDER_MODE_MONO);
<a name="l00012"></a>00012 <span class="keywordflow">if</span>( err || ft_glyph_format_bitmap != glyph->format)
<a name="l00013"></a>00013 {
<a name="l00014"></a>00014 <span class="keywordflow">return</span>;
<a name="l00015"></a>00015 }
<a name="l00016"></a>00016
<a name="l00017"></a>00017 FT_Bitmap bitmap = glyph->bitmap;
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> srcWidth = bitmap.width;
<a name="l00020"></a>00020 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> srcHeight = bitmap.rows;
<a name="l00021"></a>00021 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> srcPitch = bitmap.pitch;
<a name="l00022"></a>00022
<a name="l00023"></a>00023 destWidth = srcWidth;
<a name="l00024"></a>00024 destHeight = srcHeight;
<a name="l00025"></a>00025 destPitch = srcPitch;
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keywordflow">if</span>( destWidth && destHeight)
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 data = <span class="keyword">new</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>[destPitch * destHeight];
<a name="l00030"></a>00030 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* dest = data + (( destHeight - 1) * destPitch);
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* src = bitmap.buffer;
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> y = 0; y < srcHeight; ++y)
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 memcpy( dest, src, srcPitch);
<a name="l00037"></a>00037 dest -= destPitch;
<a name="l00038"></a>00038 src += srcPitch;
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041
<a name="l00042"></a>00042 pos.x = glyph->bitmap_left;
<a name="l00043"></a>00043 pos.y = static_cast<int>(srcHeight) - glyph->bitmap_top;
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046
<a name="l00047"></a>00047 FTBitmapGlyph::~FTBitmapGlyph()
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <span class="keyword">delete</span> [] data;
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordtype">float</span> FTBitmapGlyph::Render( <span class="keyword">const</span> FTPoint& pen)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 <span class="keywordflow">if</span>( data)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 glBitmap( 0, 0, 0.0, 0.0, pen.x + pos.x, pen.y - pos.y, (<span class="keyword">const</span> GLubyte*)0 );
<a name="l00058"></a>00058
<a name="l00059"></a>00059 glPixelStorei( GL_UNPACK_ROW_LENGTH, destPitch * 8);
<a name="l00060"></a>00060 glBitmap( destWidth, destHeight, 0.0f, 0.0, 0.0, 0.0, (<span class="keyword">const</span> GLubyte*)data);
<a name="l00061"></a>00061
<a name="l00062"></a>00062 glBitmap( 0, 0, 0.0, 0.0, -pen.x - pos.x, -pen.y + pos.y, (<span class="keyword">const</span> GLubyte*)0 );
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keywordflow">return</span> advance;
<a name="l00066"></a>00066 }
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Wed Aug 23 03:47:29 2006 for FTGL by
<a href="http://www.doxygen.org/index.html">
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