kc3-lang/ftgl/src/FTFont.cpp

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• Hash : e901ce49
  Author :
  Date : 2001-08-06T20:57:54
  

  Changed char* to unsigend char* to fix bug when displaying chars >127

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• src/FTFont.cpp

• #include	"FTFace.h"
  #include	"FTFont.h"
  #include	"FTGlyphContainer.h"
  #include	"FTGL.h"
  
  
  FTFont::FTFont()
  :	fontName(0),
  	numFaces(0),
  	glyphList(0)
  {
  	pen.x = 0;
  	pen.y = 0;
  }
  
  
  FTFont::~FTFont()
  {}
  
  
  bool	FTFont::Open( const char* fontname )
  {
  	//FIXME first check map to see if it's already open.
  //	FTFace face; // When we have a list of faces
  
  	if( face.Open( fontname))
  	{
  //		faceList.insert( FaceMap::value_type( string( fontname), face));
  		FT_Face* ftFace = face.Face();
  		
  		numGlyphs = (*ftFace)->num_glyphs;
  		
  		return true;
  	}
  	else
  	{
  		return false;
  	}
  }
  
  
  void	FTFont::Close()
  {
  	face.Close();
  	delete glyphList;
  }
  
  
  bool FTFont::FaceSize( const int size, const int res )
  {
  	charSize = face.Size( size, res);
  
  	if( glyphList)
  		delete glyphList;
  	
  	glyphList = new FTGlyphContainer( face.Face(), numGlyphs);	
  	
  	MakeGlyphList();
  
  	return true;
  }
  
  
  bool FTFont::CharMap( CHARMAP encoding)
  {
  	face.CharMap( encoding);
  
  	//FIXME
  	if( glyphList)
  		delete glyphList;
  		
  	glyphList = new FTGlyphContainer( face.Face(), numGlyphs);
  	
  	if( MakeGlyphList())
  	{
  		return true;
  	}
  	else
  	{
  		return false;
  	}
  }
  
  
  int	FTFont::Ascender() const
  {
  	return charSize.Ascender();
  }
  
  
  int	FTFont::Descender() const
  {
  	return charSize.Descender();
  }
  
  
  void	FTFont::BBox( const char* text, int& llx, int& lly, int& urx, int& ury ) const
  {
  //Insert your own code here.
  
  //End of user code.         
  }
  
  
  void FTFont::render( const char* string )
  {
  	const unsigned char* c = (unsigned char*)string; // This is ugly, what is the c++ way?
  	FT_Vector kernAdvance;
  	pen.x = 0; pen.y = 0;
  
  	while( *c)
  	{
  		kernAdvance = glyphList->render( *c, *(c + 1), pen);
  		
  		pen.x += kernAdvance.x;
  		pen.y += kernAdvance.y;
  		
  		++c;
  	}
  }
  

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