kc3-lang/ftgl/src/FTOutlineGlyph.cpp

Branch : - branch - master - tag -

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  Commit

• Author : henry
  Date : 2002-12-21 07:32:40
  Hash : e4b164cf
  Message : Delete the display list

• src/FTOutlineGlyph.cpp

• #include    "FTOutlineGlyph.h"
  #include    "FTVectoriser.h"
  
  
  FTOutlineGlyph::FTOutlineGlyph( FT_Glyph glyph)
  :   FTGlyph( glyph),
      glList(0)
  {
      if( ft_glyph_format_outline != glyph->format)
      {
          return;
      }
  
      FTVectoriser* vectoriser = new FTVectoriser( glyph);
  
      size_t numContours = vectoriser->ContourCount();
      if ( ( numContours < 1) || ( vectoriser->PointCount() < 3))
      {
          delete vectoriser;
          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();
  
      delete vectoriser;
  
      // discard glyph image (bitmap or not)
      FT_Done_Glyph( glyph); // Why does this have to be HERE
  }
  
  
  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;
  }