kc3-lang/ftgl/src/FTGLPixmapFont.cpp

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• Hash : 7411d133
  Author :
  Date : 2001-08-07T01:02:49
  

  Added a render function to set the alpha blend mode

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• src/FTGLPixmapFont.cpp

• #include	"GL/gl.h"
  
  #include	"FTGLPixmapFont.h"
  #include	"FTGlyphContainer.h"
  #include	"FTPixmapGlyph.h"
  
  
  FTGLPixmapFont::FTGLPixmapFont()
  :	tempGlyph(0)
  {}
  
  
  FTGLPixmapFont::~FTGLPixmapFont()
  {}
  
  
  // OPSignature: bool FTGlyphContainer:MakeGlyphList() 
  bool FTGLPixmapFont::MakeGlyphList()
  {
  //	if( preCache)
  
  	FT_Face* ftFace = face.Face();
  	long glyphIndex;
  	
  	for( int c = 0; c < numGlyphs; ++c)
  	{
  		glyphIndex = FT_Get_Char_Index( *ftFace, c );
  		
  		err = FT_Load_Glyph( *ftFace, glyphIndex, FT_LOAD_DEFAULT);
  		if( err)
  		{ }
  
  		FT_Glyph ftGlyph;
  		
  		err = FT_Get_Glyph( (*ftFace)->glyph, &ftGlyph);
  		if( err)
  		{}
  
  //		FT_HAS_VERTICAL(face)
  
  		tempGlyph = new FTPixmapGlyph( ftGlyph, glyphIndex);
  		glyphList->Add( tempGlyph);
  		
  	}
  }
  
  
  void FTGLPixmapFont::render( const char* string)
  {	
  	glPushAttrib( GL_ENABLE_BIT | GL_PIXEL_MODE_BIT);
  
  	glEnable(GL_BLEND);
   	glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
  
  	FTFont::render( string);
  
  	glPopAttrib();
  
  }
  

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