kc3-lang/ftgl/src/FTGLPixmapFont.cpp

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• Hash : 3902538a
  Author :
  Date : 2004-12-06T10:34:50
  

  Changed the way the colour is specified. It can now be done per string rather than at start up as previous.

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• src/FTGLPixmapFont.cpp

• #include    "FTGLPixmapFont.h"
  #include    "FTPixmapGlyph.h"
  
  
  FTGLPixmapFont::FTGLPixmapFont( const char* fontFilePath)
  :   FTFont( fontFilePath)
  {}
  
  
  FTGLPixmapFont::FTGLPixmapFont( const unsigned char *pBufferBytes, size_t bufferSizeInBytes)
  :   FTFont( pBufferBytes, bufferSizeInBytes)
  {}
  
  
  FTGLPixmapFont::~FTGLPixmapFont()
  {}
  
  
  FTGlyph* FTGLPixmapFont::MakeGlyph( unsigned int g)
  {
      FT_GlyphSlot ftGlyph = face.Glyph( g, FT_LOAD_NO_HINTING);
  
      if( ftGlyph)
      {
          FTPixmapGlyph* tempGlyph = new FTPixmapGlyph( ftGlyph);
          return tempGlyph;
      }
  
      err = face.Error();
      return NULL;
  }
  
  
  void FTGLPixmapFont::Render( const char* string)
  {   
      glPushAttrib( GL_ENABLE_BIT | GL_PIXEL_MODE_BIT | GL_COLOR_BUFFER_BIT);
      glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT);
  
      glEnable(GL_BLEND);
      glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
  
      glDisable( GL_TEXTURE_2D);
  
      GLfloat ftglColour[4];
      glGetFloatv( GL_CURRENT_RASTER_COLOR, ftglColour);
  
      glPixelTransferf(GL_RED_SCALE, ftglColour[0]);
      glPixelTransferf(GL_GREEN_SCALE, ftglColour[1]);
      glPixelTransferf(GL_BLUE_SCALE, ftglColour[2]);
      glPixelTransferf(GL_ALPHA_SCALE, ftglColour[3]);
  
      FTFont::Render( string);
  
      glPopClientAttrib();
      glPopAttrib();
  }
  
  
  void FTGLPixmapFont::Render( const wchar_t* string)
  {   
      glPushAttrib( GL_ENABLE_BIT | GL_PIXEL_MODE_BIT | GL_COLOR_BUFFER_BIT);
      glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT);
          
      glEnable(GL_BLEND);
      glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
      
      glDisable( GL_TEXTURE_2D);
  
      GLfloat ftglColour[4];
      glGetFloatv( GL_CURRENT_RASTER_COLOR, ftglColour);
  
      glPixelTransferf(GL_RED_SCALE, ftglColour[0]);
      glPixelTransferf(GL_GREEN_SCALE, ftglColour[1]);
      glPixelTransferf(GL_BLUE_SCALE, ftglColour[2]);
      glPixelTransferf(GL_ALPHA_SCALE, ftglColour[3]);
  
      FTFont::Render( string);
  
      glPopClientAttrib();
      glPopAttrib();
  }
  
  
  

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