kc3-lang/ftgl/src/FTPolyGlyph.cpp

• Show log

  Commit

• Hash : 9013e3ec
  Author :
  Date : 2002-06-20T08:22:06
  

  Changes for VTK Removed tabs Removed mmgr Optimisations for loading pixel based fonts Minor changes

Download

• 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(1.0);
      numPoints = vectoriser->MeshPoints();
  
      bBox = FTBBox( glyph);
      advance = glyph->advance.x >> 16;
  
      if ( numPoints < 3)
      {
          delete vectoriser;
          return;
      }
      
      data = new FTGL_DOUBLE[ numPoints * 3];
      vectoriser->GetMesh( data);
      delete vectoriser;
      
      int d = 0;
      glList = glGenLists(1);
      glNewList( glList, GL_COMPILE);
          int BEPairs = static_cast<int>(data[0]);
          for( int i = 0; i < BEPairs; ++i)
          {
              int polyType = static_cast<int>(data[d + 1]);
              glBegin( polyType);
  
              int verts = static_cast<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;
  
      // discard glyph image (bitmap or not)
      FT_Done_Glyph( glyph); // Why does this have to be HERE
  }
  
  
  FTPolyGlyph::~FTPolyGlyph()
  {}
  
  
  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;
  }
  

Download