Hash :
2797daf9
Author :
Date :
2001-08-29T01:07:26
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#include "GL/gl.h"
#include "FTVectorGlyph.h"
#include "FTVectoriser.h"
#include "FTGL.h"
FTVectorGlyph::FTVectorGlyph( FT_Glyph glyph, unsigned int gi)
: FTGlyph(gi),
vectoriser(0),
numPoints(0),
numContours(0),
contourLength(0),
data(0),
glList(0)
{
if( ft_glyph_format_outline != glyph->format)
{ return;}
vectoriser = new FTVectoriser( glyph);
vectoriser->Ingest();
numContours = vectoriser->contours();
contourLength = new int[ numContours];
for( int c = 0; c < numContours; ++c)
{
contourLength[c] = vectoriser->contourSize( c);
}
numPoints = vectoriser->points();
data = new double[ numPoints * 3];
vectoriser->Output( data);
advance = glyph->advance.x >> 16; // this is 6 in the freetype docs!!!!!!
delete vectoriser;
if ( ( numContours < 1) || ( numPoints < 3))
return;
glList = glGenLists(1);
int d = 0;
glNewList( glList, GL_COMPILE);
for( int c = 0; c < numContours; ++c)
{
glBegin( GL_LINE_LOOP);
for( int p = 0; p < ( contourLength[c]); ++p)
{
glVertex2dv( data + d);
d += 3;
}
glEnd();
}
glEndList();
}
FTVectorGlyph::~FTVectorGlyph()
{
delete [] data;
delete [] contourLength;
}
float FTVectorGlyph::Render( const FT_Vector& pen)
{
if( glList)
{
glTranslatef( pen.x, pen.y, 0);
glCallList( glList);
glTranslatef( -pen.x, -pen.y, 0);
}
return advance;
}