kc3-lang/ftgl/include/FTBitmapGlyph.h

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• Author : henry
  Date : 2003-09-25 03:55:19
  Hash : 59a0780e
  Message : Changed to use FTGlyphSlot internally instead of FTGlyph

• include/FTBitmapGlyph.h

• #ifndef     __FTBitmapGlyph__
  #define     __FTBitmapGlyph__
  
  
  #include <ft2build.h>
  #include FT_FREETYPE_H
  #include FT_GLYPH_H
  
  #include "FTGL.h"
  #include "FTGlyph.h"
  
  
  /**
   * FTBitmapGlyph is a specialisation of FTGlyph for creating bitmaps.
   *
   * It provides the interface between Freetype glyphs and their openGL
   * Renderable counterparts. This is an abstract class and derived classes
   * must implement the <code>Render</code> function. 
   * 
   * @see FTGlyphContainer
   *
   */
  class FTGL_EXPORT FTBitmapGlyph : public FTGlyph
  {
      public:
          /**
           * Constructor
           *
           * @param glyph The Freetype glyph to be processed
           */
          FTBitmapGlyph( FT_GlyphSlot glyph);
  
          /**
           * Destructor
           */
          virtual ~FTBitmapGlyph();
  
          /**
           * 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 FTPoint& pen);
          
      private:
          /**
           * The width of the glyph 'image'
           */
          unsigned int destWidth;
  
          /**
           * The height of the glyph 'image'
           */
          unsigned int destHeight;
  
          /**
           * The pitch of the glyph 'image'
           */
          unsigned int destPitch;
  
          /**
           * Vector from the pen position to the topleft corner of the bitmap
           */
          FTPoint pos;
          
          /**
           * Pointer to the 'image' data
           */
          unsigned char* data;
          
  };
  
  
  #endif  //  __FTBitmapGlyph__