kc3-lang/ftgl/src/FTFont/FTTriangleExtractorFontImpl.h

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• Author : Richard Ulrich
  Date : 2012-06-13 21:27:56
  Hash : d7d4594e
  Message : added polygon extraction

• src/FTFont/FTTriangleExtractorFontImpl.h

• /*
   * FTGL - OpenGL font library
   *
   * Copyright (c) 2011 Richard Ulrich <richi@paraeasy.ch>
   *
   * 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 __FTTriangleExtractorFontImpl__
  #define __FTTriangleExtractorFontImpl__
  
  #include "FTFontImpl.h"
  // std lib
  #include <vector>
  
  class FTGlyph;
  
  class FTTriangleExtractorFontImpl : public FTFontImpl
  {
      friend class FTTriangleExtractorFont;
  
      protected:
          FTTriangleExtractorFontImpl(FTFont *ftFont, const char* fontFilePath, std::vector<float>& triangles);
  
          FTTriangleExtractorFontImpl(FTFont *ftFont, const unsigned char *pBufferBytes,
                            size_t bufferSizeInBytes, std::vector<float>& triangles);
  
          /**
           * Set the outset distance for the font. Only implemented by
           * FTOutlineFont, FTPolygonFont and FTExtrudeFont
           *
           * @param outset  The outset distance.
           */
          virtual void Outset(float o) { outset = o; }
  
          virtual FTPoint Render(const char *s, const int len,
                                 FTPoint position, FTPoint spacing,
                                 int renderMode);
  
          virtual FTPoint Render(const wchar_t *s, const int len,
                                 FTPoint position, FTPoint spacing,
                                 int renderMode);
  
  
      private:
          /**
           * The outset distance for the font.
           */
          float outset;
  
          std::vector<float>& triangles_;
  
          /* Internal generic Render() implementation */
          template <typename T>
          inline FTPoint RenderI(const T *s, const int len,
                                 FTPoint position, FTPoint spacing, int mode);
  };
  
  #endif // __FTPolygonFontImpl__