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

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  Date : 2009-07-19T13:05:50
  

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• src/FTGL/FTGLTextureFont.h

• /*
   * FTGL - OpenGL font library
   *
   * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
   * Copyright (c) 2008 Sam Hocevar <sam@hocevar.net>
   * Copyright (c) 2008 Sean Morrison <learner@brlcad.org>
   *
   * 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 __FTTextureFont__
  #define __FTTextureFont__
  
  #ifdef __cplusplus
  
  
  /**
   * FTTextureFont is a specialisation of the FTFont class for handling
   * Texture mapped fonts
   *
   * @see     FTFont
   */
  class  FTGL_EXPORT FTTextureFont : public FTFont
  {
      public:
          /**
           * Open and read a font file. Sets Error flag.
           *
           * @param fontFilePath  font file path.
           */
          FTTextureFont(const char* fontFilePath);
  
          /**
           * Open and read a font from a buffer in memory. Sets Error flag.
           * The buffer is owned by the client and is NOT copied by FTGL. The
           * pointer must be valid while using FTGL.
           *
           * @param pBufferBytes  the in-memory buffer
           * @param bufferSizeInBytes  the length of the buffer in bytes
           */
          FTTextureFont(const unsigned char *pBufferBytes,
                        size_t bufferSizeInBytes);
  
          /**
           * Destructor
           */
          virtual ~FTTextureFont();
  
      protected:
          /**
           * Construct a glyph of the correct type.
           *
           * Clients must override the function and return their specialised
           * FTGlyph.
           *
           * @param slot  A FreeType glyph slot.
           * @return  An FT****Glyph or <code>null</code> on failure.
           */
          virtual FTGlyph* MakeGlyph(FT_GlyphSlot slot);
  };
  
  #define FTGLTextureFont FTTextureFont
  
  #endif //__cplusplus
  
  FTGL_BEGIN_C_DECLS
  
  /**
   * Create a specialised FTGLfont object for handling texture-mapped fonts.
   *
   * @param file  The font file name.
   * @return  An FTGLfont* object.
   *
   * @see  FTGLfont
   */
  FTGL_EXPORT FTGLfont *ftglCreateTextureFont(const char *file);
  
  /**
   * Create a specialised FTGLfont object for handling texture-mapped fonts
   * from a buffer in memory. Sets Error flag. The buffer is owned by the
   * client and is NOT copied by FTGL. The pointer must be valid while using
   * FTGL.
   *
   * @param bytes  the in-memory buffer
   * @param len  the length of the buffer in bytes
   * @return  An FTGLfont* object.
   */
  FTGL_EXPORT FTGLfont *ftglCreateTextureFontFromMem(const unsigned char *bytes,
                                                     size_t len);
  
  FTGL_END_C_DECLS
  
  #endif // __FTTextureFont__
  
  

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