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<title>FTGL: FTPolyGlyph.cpp Source File</title>
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<h1>FTPolyGlyph.cpp</h1><a href="FTPolyGlyph_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="preprocessor">#include "<a class="code" href="FTPolyGlyph_8h.html">FTPolyGlyph.h</a>"</span>
00002 <span class="preprocessor">#include "<a class="code" href="FTVectoriser_8h.html">FTVectoriser.h</a>"</span>
00003 
00004 
<a name="l00005"></a><a class="code" href="classFTPolyGlyph.html#a0">00005</a> <a class="code" href="classFTPolyGlyph.html#a0">FTPolyGlyph::FTPolyGlyph</a>( FT_GlyphSlot glyph, <span class="keywordtype">bool</span> useDisplayList)
00006 :   <a class="code" href="classFTGlyph.html">FTGlyph</a>( glyph),
00007     glList(0)
00008 {
00009     <span class="keywordflow">if</span>( ft_glyph_format_outline != glyph-&gt;format)
00010     {
00011         err = 0x14; <span class="comment">// Invalid_Outline</span>
00012         <span class="keywordflow">return</span>;
00013     }
00014 
00015     <a class="code" href="classFTVectoriser.html">FTVectoriser</a> vectoriser( glyph);
00016 
00017     <span class="keywordflow">if</span>(( vectoriser.<a class="code" href="classFTVectoriser.html#a5">ContourCount</a>() &lt; 1) || ( vectoriser.<a class="code" href="classFTVectoriser.html#a4">PointCount</a>() &lt; 3))
00018     {
00019         <span class="keywordflow">return</span>;
00020     }
00021     
00022     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> horizontalTextureScale = glyph-&gt;face-&gt;size-&gt;metrics.x_ppem * 64;
00023     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> verticalTextureScale = glyph-&gt;face-&gt;size-&gt;metrics.y_ppem * 64;        
00024         
00025     vectoriser.<a class="code" href="classFTVectoriser.html#a2">MakeMesh</a>( 1.0);
00026     
00027     <span class="keywordflow">if</span>( useDisplayList)
00028     {
00029         glList = glGenLists( 1);
00030         glNewList( glList, GL_COMPILE);
00031     }
00032 
00033     <span class="keyword">const</span> <a class="code" href="classFTMesh.html">FTMesh</a>* mesh = vectoriser.<a class="code" href="classFTVectoriser.html#a3">GetMesh</a>();
00034     <span class="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index = 0; index &lt; mesh-&gt;<a class="code" href="classFTMesh.html#a7">TesselationCount</a>(); ++index)
00035     {
00036         <span class="keyword">const</span> <a class="code" href="classFTTesselation.html">FTTesselation</a>* subMesh = mesh-&gt;<a class="code" href="classFTMesh.html#a8">Tesselation</a>( index);
00037         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> polyonType = subMesh-&gt;<a class="code" href="classFTTesselation.html#a5">PolygonType</a>();
00038 
00039         glBegin( polyonType);
00040             <span class="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pointIndex = 0; pointIndex &lt; subMesh-&gt;<a class="code" href="classFTTesselation.html#a3">PointCount</a>(); ++pointIndex)
00041             {
00042                 <a class="code" href="classFTPoint.html">FTPoint</a> point = subMesh-&gt;<a class="code" href="classFTTesselation.html#a4">Point</a>(pointIndex);
00043                 
00044                 glTexCoord2f( point.<a class="code" href="classFTPoint.html#a7">X</a>() / horizontalTextureScale,
00045                               point.<a class="code" href="classFTPoint.html#a8">Y</a>() / verticalTextureScale);
00046                 
00047                 glVertex3f( point.<a class="code" href="classFTPoint.html#a7">X</a>() / 64.0f,
00048                             point.<a class="code" href="classFTPoint.html#a8">Y</a>() / 64.0f,
00049                             0.0f);
00050             }
00051         glEnd();
00052     }
00053 
00054     <span class="keywordflow">if</span>(useDisplayList)
00055     {
00056         glEndList();
00057     }
00058 }
00059 
00060 
<a name="l00061"></a><a class="code" href="classFTPolyGlyph.html#a1">00061</a> <a class="code" href="classFTPolyGlyph.html#a1">FTPolyGlyph::~FTPolyGlyph</a>()
00062 {
00063     glDeleteLists( glList, 1);
00064 }
00065 
00066 
<a name="l00067"></a><a class="code" href="classFTPolyGlyph.html#a2">00067</a> <span class="keyword">const</span> <a class="code" href="classFTPoint.html">FTPoint</a>&amp; <a class="code" href="classFTPolyGlyph.html#a2">FTPolyGlyph::Render</a>( <span class="keyword">const</span> <a class="code" href="classFTPoint.html">FTPoint</a>&amp; pen)
00068 {
00069     glTranslatef(  pen.<a class="code" href="classFTPoint.html#a7">X</a>(),  pen.<a class="code" href="classFTPoint.html#a8">Y</a>(), 0.0f);
00070 
00071     <span class="keywordflow">if</span>( glList)
00072     {
00073         glCallList( glList);    
00074     }
00075     
00076     <span class="keywordflow">return</span> advance;
00077 }
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