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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    &lt;string&gt;</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-&gt;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-&gt;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 &amp;&amp; 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 &lt; 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 = FTPoint(glyph-&gt;bitmap_left, static_cast&lt;int&gt;(srcHeight) - glyph-&gt;bitmap_top, 0.0);
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 FTBitmapGlyph::~FTBitmapGlyph()
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048     <span class="keyword">delete</span> [] data;
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050 
<a name="l00051"></a>00051 
<a name="l00052"></a>00052 <span class="keyword">const</span> FTPoint&amp; FTBitmapGlyph::Render( <span class="keyword">const</span> FTPoint&amp; pen)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054     glBitmap( 0, 0, 0.0f, 0.0f, pen.X() + pos.X(), pen.Y() - pos.Y(), (<span class="keyword">const</span> GLubyte*)0 );
<a name="l00055"></a>00055     
<a name="l00056"></a>00056     <span class="keywordflow">if</span>( data)
<a name="l00057"></a>00057     {
<a name="l00058"></a>00058         glPixelStorei( GL_UNPACK_ROW_LENGTH, destPitch * 8);
<a name="l00059"></a>00059         glBitmap( destWidth, destHeight, 0.0f, 0.0, 0.0, 0.0, (<span class="keyword">const</span> GLubyte*)data);
<a name="l00060"></a>00060     }
<a name="l00061"></a>00061     
<a name="l00062"></a>00062     glBitmap( 0, 0, 0.0f, 0.0f, -pos.X(), pos.Y(), (<span class="keyword">const</span> GLubyte*)0 );
<a name="l00063"></a>00063     
<a name="l00064"></a>00064     <span class="keywordflow">return</span> advance;
<a name="l00065"></a>00065 }
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Tue Dec 18 20:45:49 2007 for FTGL by&nbsp;
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