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<title>FTGL: FTOutlineGlyph.cpp Source File</title>
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<h1>FTOutlineGlyph.cpp</h1><a href="FTOutlineGlyph_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 "FTOutlineGlyph.h"</span>
<a name="l00002"></a>00002 <span class="preprocessor">#include "FTVectoriser.h"</span>
<a name="l00003"></a>00003
<a name="l00004"></a>00004
<a name="l00005"></a>00005 FTOutlineGlyph::FTOutlineGlyph( FT_GlyphSlot glyph)
<a name="l00006"></a>00006 : FTGlyph( glyph),
<a name="l00007"></a>00007 glList(0)
<a name="l00008"></a>00008 {
<a name="l00009"></a>00009 <span class="keywordflow">if</span>( ft_glyph_format_outline != glyph->format)
<a name="l00010"></a>00010 {
<a name="l00011"></a>00011 err = 0x14; <span class="comment">// Invalid_Outline</span>
<a name="l00012"></a>00012 <span class="keywordflow">return</span>;
<a name="l00013"></a>00013 }
<a name="l00014"></a>00014
<a name="l00015"></a>00015 FTVectoriser vectoriser( glyph);
<a name="l00016"></a>00016
<a name="l00017"></a>00017 size_t numContours = vectoriser.ContourCount();
<a name="l00018"></a>00018 <span class="keywordflow">if</span> ( ( numContours < 1) || ( vectoriser.PointCount() < 3))
<a name="l00019"></a>00019 {
<a name="l00020"></a>00020 <span class="keywordflow">return</span>;
<a name="l00021"></a>00021 }
<a name="l00022"></a>00022
<a name="l00023"></a>00023 glList = glGenLists(1);
<a name="l00024"></a>00024 glNewList( glList, GL_COMPILE);
<a name="l00025"></a>00025 <span class="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> c = 0; c < numContours; ++c)
<a name="l00026"></a>00026 {
<a name="l00027"></a>00027 <span class="keyword">const</span> FTContour* contour = vectoriser.Contour(c);
<a name="l00028"></a>00028
<a name="l00029"></a>00029 glBegin( GL_LINE_LOOP);
<a name="l00030"></a>00030 <span class="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> p = 0; p < contour->PointCount(); ++p)
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 glVertex2f( contour->Point(p).x / 64.0f, contour->Point(p).y / 64.0f);
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034 glEnd();
<a name="l00035"></a>00035 }
<a name="l00036"></a>00036 glEndList();
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039
<a name="l00040"></a>00040 FTOutlineGlyph::~FTOutlineGlyph()
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 glDeleteLists( glList, 1);
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keywordtype">float</span> FTOutlineGlyph::Render( <span class="keyword">const</span> FTPoint& pen)
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="keywordflow">if</span>( glList)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 glTranslatef( pen.x, pen.y, 0);
<a name="l00051"></a>00051 glCallList( glList);
<a name="l00052"></a>00052 glTranslatef( -pen.x, -pen.y, 0);
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordflow">return</span> advance;
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057
</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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