kc3-lang/ftgl/include/FTPolyGlyph.h

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  Commit

• Author : henry
  Date : 2002-06-20 08:22:06
  Hash : 9013e3ec
  Message : Changes for VTK Removed tabs Removed mmgr Optimisations for loading pixel based fonts Minor changes

• include/FTPolyGlyph.h

• #ifndef     __FTPolyGlyph__
  #define     __FTPolyGlyph__
  
  
  #include <ft2build.h>
  #include FT_FREETYPE_H
  #include FT_GLYPH_H
  
  #include "FTGL.h"
  #include "FTGlyph.h"
  
  class FTVectoriser;
  
  /**
   * FTPolyGlyph is a specialisation of FTGlyph for creating tessellated
   * polygon glyphs.
   * 
   * @see FTGlyphContainer
   * @see FTVectoriser
   *
   */
  class FTGL_EXPORT FTPolyGlyph : public FTGlyph
  {
      public:
          /**
           * Constructor
           *
           * @param glyph The Freetype glyph to be processed
           */
          FTPolyGlyph( FT_Glyph glyph);
  
          /**
           * Destructor
           */
          virtual ~FTPolyGlyph();
  
          /**
           * Renders this glyph at the current pen position.
           *
           * @param pen   The current pen position.
           * @return      The advance distance for this glyph.
           */
          virtual float Render( const FT_Vector& pen);
          
      private:
          /**
           * Convert the point data into a mesh.
           *
           * Uses GLUtesselator to create a mesh
           */
          void Tesselate();
          
          /**
           * An object that helps convert freetype outlines into point
           * data
           */
          FTVectoriser* vectoriser;
  
          /**
           * The total number of points in the Freetype outline
           */
          int numPoints;
  
          /**
           * Pointer to the point data
           */
          FTGL_DOUBLE* data;
          
          /**
           * OpenGL display list
           */
          GLuint glList;
      
  };
  
  
  #endif  //  __FTPolyGlyph__