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

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

• src/FTGlyph/FTTriangleExtractorGlyphImpl.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 __FTTriangleExtractorGlyphImpl__
  #define __FTTriangleExtractorGlyphImpl__
  
  #include "FTGlyphImpl.h"
  
  class FTVectoriser;
  
  class FTTriangleExtractorGlyphImpl : public FTGlyphImpl
  {
      friend class FTTriangleExtractorGlyph;
  
      public:
          FTTriangleExtractorGlyphImpl(FT_GlyphSlot glyph, float outset,
                             std::vector<float>& triangles);
  
          virtual ~FTTriangleExtractorGlyphImpl();
  
          virtual const FTPoint& RenderImpl(const FTPoint& pen, int renderMode);
  
      private:
  
          void AddVertex(const FTPoint& pen, const FTPoint& point);
  
          /**
           * Private rendering variables.
           */
          unsigned int hscale, vscale;
          FTVectoriser *vectoriser;
          float outset;
          std::vector<float>& triangles_;
  };
  
  #endif  //  __FTTriangleExtractorGlyphImpl__