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