kc3-lang/ftgl/src/FTPolyGlyph.cpp

Branch : - branch - master - tag -

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  Commit

• Author : henry
  Date : 2001-11-12 02:45:11
  Hash : d233facc
  Message : Set the bounding box

• src/FTPolyGlyph.cpp

• #include	"FTPolyGlyph.h"
  #include	"FTVectoriser.h"
  
  
  FTPolyGlyph::FTPolyGlyph( FT_Glyph glyph)
  :	FTGlyph(),
  	vectoriser(0),
  	numPoints(0),
  	data(0),
  	glList(0)
  {
  	if( ft_glyph_format_outline != glyph->format)
  	{
  		return;
  	}
  
  	vectoriser = new FTVectoriser( glyph);
  	
  	vectoriser->Process();
  
  	vectoriser->MakeMesh();
  	numPoints = vectoriser->MeshPoints();
  
  	if ( numPoints < 3)
  	{
  		delete vectoriser;
  		return;
  	}
  	
  	data = new double[ numPoints * 3];
  	vectoriser->GetMesh( data);
  	delete vectoriser;
  	
  	int d = 0;
  	glList = glGenLists(1);
  	glNewList( glList, GL_COMPILE);
  		int BEPairs = data[0];
  		for( int i = 0; i < BEPairs; ++i)
  		{
  			int polyType = (int)data[d + 1];
  			glBegin( polyType);
  
  			int verts = (int)data[d+2];
  			d += 3;
  			for( int x = 0; x < verts; ++x)
  			{
  				glVertex3dv( data + d);
  				d += 3;
  			}
  			glEnd();
  		}
  	glEndList();
  
  	delete [] data; // FIXME
  	data = 0;
  
  	bBox = FTBBox( glyph);
  	advance = glyph->advance.x >> 16;
  
  	// discard glyph image (bitmap or not)
  	FT_Done_Glyph( glyph); // Why does this have to be HERE
  }
  
  
  FTPolyGlyph::~FTPolyGlyph()
  {
  //	if( data)
  //		delete [] data; // FIXME
  }
  
  
  float FTPolyGlyph::Render( const FT_Vector& pen)
  {
  	if( glList)
  	{
  		glTranslatef( pen.x, pen.y, 0);
  			glCallList( glList);	
  		glTranslatef( -pen.x, -pen.y, 0);
  	}
  	
  	return advance;
  }