67 lines
1.3 KiB
C++
67 lines
1.3 KiB
C++
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#include "FTOutlineGlyph.h"
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#include "FTVectoriser.h"
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FTOutlineGlyph::FTOutlineGlyph( FT_GlyphSlot glyph, bool useDisplayList)
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: FTGlyph( glyph),
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glList(0)
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{
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if( ft_glyph_format_outline != glyph->format)
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{
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err = 0x14; // Invalid_Outline
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return;
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}
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FTVectoriser vectoriser( glyph);
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size_t numContours = vectoriser.ContourCount();
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if ( ( numContours < 1) || ( vectoriser.PointCount() < 3))
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{
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return;
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}
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if(useDisplayList)
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{
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glList = glGenLists(1);
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glNewList( glList, GL_COMPILE);
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}
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for( unsigned int c = 0; c < numContours; ++c)
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{
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const FTContour* contour = vectoriser.Contour(c);
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glBegin( GL_LINE_LOOP);
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for( unsigned int pointIndex = 0; pointIndex < contour->PointCount(); ++pointIndex)
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{
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FTPoint point = contour->Point(pointIndex);
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glVertex2f( point.X() / 64.0f, point.Y() / 64.0f);
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}
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glEnd();
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}
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if(useDisplayList)
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{
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glEndList();
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}
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}
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FTOutlineGlyph::~FTOutlineGlyph()
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{
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glDeleteLists( glList, 1);
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}
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const FTPoint& FTOutlineGlyph::Render( const FTPoint& pen)
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{
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glTranslatef( pen.X(), pen.Y(), 0.0f);
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if( glList)
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{
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glCallList( glList);
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}
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return advance;
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}
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