kc3-lang/ftgl/src/FTOutlineGlyph.cpp

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• Hash : e077739b
  Author :
  Date : 2001-10-30T23:23:29
  

  Renamed functions in prep for extruded glyphs Ingest->Process Output->MakeOutline

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• src/FTOutlineGlyph.cpp

• #include	"FTOutlineGlyph.h"
  #include	"FTVectoriser.h"
  #include	"FTGL.h"
  
  
  
  FTOutlineGlyph::FTOutlineGlyph( FT_Glyph glyph)
  :	FTGlyph(),
  	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->Process();
  	numContours = vectoriser->contours();
  	contourLength = new int[ numContours];
  	
  	for( int cn = 0; cn < numContours; ++cn)
  	{
  		contourLength[cn] = vectoriser->contourSize( cn);
  	}
  	
  	numPoints = vectoriser->points();
  	data = new double[ numPoints * 3];
  	vectoriser->MakeOutline( data);
  	
  	advance = glyph->advance.x >> 16;
  
  	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();
  
  	// discard glyph image (bitmap or not)
  	FT_Done_Glyph( glyph); // Why does this have to be HERE
  }
  
  
  FTOutlineGlyph::~FTOutlineGlyph()
  {
  	delete [] data;
  	delete [] contourLength;
  }
  
  
  float FTOutlineGlyph::Render( const FT_Vector& pen)
  {
  	if( glList)
  	{
  		glTranslatef( pen.x, pen.y, 0);
  			glCallList( glList);
  		glTranslatef( -pen.x, -pen.y, 0);
  	}
  	
  	return advance;
  }
  
  

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