<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>FTGL: FTBitmapGlyph.cpp Source File</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.3.6 -->
<div class="qindex"><a class="qindex" href="index.html">Main&nbsp;Page</a> | <a class="qindex" href="hierarchy.html">Class&nbsp;Hierarchy</a> | <a class="qindex" href="annotated.html">Data&nbsp;Structures</a> | <a class="qindex" href="files.html">File&nbsp;List</a> | <a class="qindex" href="functions.html">Data&nbsp;Fields</a> | <a class="qindex" href="globals.html">Globals</a></div>
<h1>FTBitmapGlyph.cpp</h1><a href="FTBitmapGlyph_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="preprocessor">#include    &lt;string&gt;</span>
00002 
00003 <span class="preprocessor">#include "<a class="code" href="FTBitmapGlyph_8h.html">FTBitmapGlyph.h</a>"</span>
00004 
<a name="l00005"></a><a class="code" href="classFTBitmapGlyph.html#a0">00005</a> <a class="code" href="classFTBitmapGlyph.html#a0">FTBitmapGlyph::FTBitmapGlyph</a>( FT_GlyphSlot glyph)
00006 :   <a class="code" href="classFTGlyph.html">FTGlyph</a>( glyph),
00007     destWidth(0),
00008     destHeight(0),
00009     data(0)
00010 {
00011     err = FT_Render_Glyph( glyph, <a class="code" href="FTGL_8h.html#a1">FT_RENDER_MODE_MONO</a>);
00012     <span class="keywordflow">if</span>( err || ft_glyph_format_bitmap != glyph-&gt;format)
00013     {
00014         <span class="keywordflow">return</span>;
00015     }
00016 
00017     FT_Bitmap bitmap = glyph-&gt;bitmap;
00018 
00019     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> srcWidth = bitmap.width;
00020     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> srcHeight = bitmap.rows;
00021     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> srcPitch = bitmap.pitch;
00022     
00023     destWidth = srcWidth;
00024     destHeight = srcHeight;
00025     destPitch = srcPitch;    
00026 
00027     <span class="keywordflow">if</span>( destWidth &amp;&amp; destHeight)
00028     {
00029         data = <span class="keyword">new</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>[destPitch * destHeight];
00030         <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* dest = data + (( destHeight - 1) * destPitch);
00031 
00032         <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* src = bitmap.buffer;
00033 
00034         <span class="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> y = 0; y &lt; srcHeight; ++y)
00035         {
00036             memcpy( dest, src, srcPitch);
00037             dest -= destPitch;
00038             src += srcPitch;
00039         }
00040     }
00041 
00042     pos = <a class="code" href="classFTPoint.html">FTPoint</a>(glyph-&gt;bitmap_left, static_cast&lt;int&gt;(srcHeight) - glyph-&gt;bitmap_top, 0.0);
00043 }
00044 
00045 
<a name="l00046"></a><a class="code" href="classFTBitmapGlyph.html#a1">00046</a> <a class="code" href="classFTBitmapGlyph.html#a1">FTBitmapGlyph::~FTBitmapGlyph</a>()
00047 {
00048     <span class="keyword">delete</span> [] data;
00049 }
00050 
00051 
<a name="l00052"></a><a class="code" href="classFTBitmapGlyph.html#a2">00052</a> <span class="keyword">const</span> <a class="code" href="classFTPoint.html">FTPoint</a>&amp; <a class="code" href="classFTBitmapGlyph.html#a2">FTBitmapGlyph::Render</a>( <span class="keyword">const</span> <a class="code" href="classFTPoint.html">FTPoint</a>&amp; pen)
00053 {
00054     glBitmap( 0, 0, 0.0f, 0.0f, pen.<a class="code" href="classFTPoint.html#a7">X</a>() + pos.<a class="code" href="classFTPoint.html#a7">X</a>(), pen.<a class="code" href="classFTPoint.html#a8">Y</a>() - pos.<a class="code" href="classFTPoint.html#a8">Y</a>(), (<span class="keyword">const</span> GLubyte*)0 );
00055     
00056     <span class="keywordflow">if</span>( data)
00057     {
00058         glPixelStorei( GL_UNPACK_ROW_LENGTH, destPitch * 8);
00059         glBitmap( destWidth, destHeight, 0.0f, 0.0, 0.0, 0.0, (<span class="keyword">const</span> GLubyte*)data);
00060     }
00061     
00062     glBitmap( 0, 0, 0.0f, 0.0f, -pos.<a class="code" href="classFTPoint.html#a7">X</a>(), pos.<a class="code" href="classFTPoint.html#a8">Y</a>(), (<span class="keyword">const</span> GLubyte*)0 );
00063     
00064     <span class="keywordflow">return</span> advance;
00065 }
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Dec 5 22:24:05 2004 for FTGL by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 > 
</a>1.3.6 </small></address>
</body>
</html>