kc3-lang/ftgl/src/FTVectorGlyph.cpp

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• Hash : e3206aab
  Author :
  Date : 2001-08-22T22:58:09
  

  Fixed the positional stuff in render(). Added leftside bearing offset.

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• src/FTVectorGlyph.cpp

• #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( glyph->format == ft_glyph_format_outline)
  	{
  		vectoriser = new FTVectoriser( glyph);
  		
  		if( 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)) // check this
  			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 + pos.x, pen.y, 0);
  			glCallList( glList);
  		glTranslatef( -pen.x + pos.x, -pen.y, 0);
  	}
  	
  	return advance;
  }
  
  
  
  
  

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