kc3-lang/ftgl/src/FTGL/FTGlyph.h

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• Hash : e8c876bc
  Author :
  Date : 2008-05-01T19:31:06
  

  * Make our base classes' destructors public. We want to prevent accidental instantiation, but direct destruction is perfectly legal.

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• src/FTGL/FTGlyph.h

• /*
   * FTGL - OpenGL font library
   *
   * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  
  #ifndef __ftgl__
  #   warning This header is deprecated. Please use <FTGL/ftgl.h> from now.
  #   include <FTGL/ftgl.h>
  #endif
  
  #ifndef __FTGlyph__
  #define __FTGlyph__
  
  #ifdef __cplusplus
  
  class FTGlyphImpl;
  
  /**
   * FTGlyph is the base class for FTGL glyphs.
   *
   * 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
   * @see FTBBox
   * @see FTPoint
   *
   */
  class FTGL_EXPORT FTGlyph
  {
      friend class FTGlyphContainer;
  
      protected:
          FTGlyph();
  
      public:
          virtual ~FTGlyph();
  
          /**
           * Renders this glyph at the current pen position.
           *
           * @param pen   The current pen position.
           * @param renderMode Render mode to display
           * @return      The advance distance for this glyph.
           */
          const FTPoint& Render(const FTPoint& pen, int renderMode);
  
          /**
           * Return the advance width for this glyph.
           *
           * @return  advance width.
           */
          const FTPoint& Advance() const;
  
          /**
           * Return the bounding box for this glyph.
           *
           * @return  bounding box.
           */
          const FTBBox& BBox() const;
  
          /**
           * Queries for errors.
           *
           * @return  The current error code.
           */
          FT_Error Error() const;
  
      protected:
          FTGlyphImpl *impl;
  };
  
  #endif //__cplusplus
  
  FTGL_BEGIN_C_DECLS
  
  FTGL_EXPORT FTGLglyph *ftglCreateBitmapGlyph(FT_GlyphSlot glyph);
  FTGL_EXPORT FTGLglyph *ftglCreateExtrudeGlyph(FT_GlyphSlot glyph, float depth,
                                  float frontOutset, float backOutset,
                                  int useDisplayList);
  FTGL_EXPORT FTGLglyph *ftglCreateOutlineGlyph(FT_GlyphSlot glyph, float outset,
                                    int useDisplayList);
  FTGL_EXPORT FTGLglyph *ftglCreatePixmapGlyph(FT_GlyphSlot glyph);
  FTGL_EXPORT FTGLglyph *ftglCreatePolyGlyph(FT_GlyphSlot glyph, float outset,
                                 int useDisplayList);
  FTGL_EXPORT FTGLglyph *ftglCreateTextureGlyph(FT_GlyphSlot glyph, int id,
                                                int xOffset, int yOffset,
                                                int width, int height);
  
  FTGL_EXPORT void ftglDestroyGlyph(FTGLglyph *g);
  
  FTGL_EXPORT void ftglGlyphRender(FTGLglyph *g, FTGL_DOUBLE penx,
                                   FTGL_DOUBLE peny, int renderMode,
                                   FTGL_DOUBLE *advancex, FTGL_DOUBLE *advancey);
  FTGL_EXPORT void ftglGlyphAdvance(FTGLglyph *g, FTGL_DOUBLE *advancex,
                                    FTGL_DOUBLE *advancey);
  FTGL_EXPORT void ftglGlyphBBox(FTGLglyph *g, float *lx, float *ly, float *lz,
                                 float *ux, float *uy, float *uz);
  
  FTGL_END_C_DECLS
  
  #endif  //  __FTGlyph__
  
  

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