kc3-lang/ftgl/src/FTFont.cpp

• Show log

  Commit

• Hash : 4cd99a38
  Author :
  Date : 2001-07-30T02:24:24
  

  Rewrote the way the raster positon is set. The position is now kept in an FT_Vector called pen and pas into the glyphs, rather than the glyph calculating it's on raster position.

Download

• src/FTFont.cpp

• #include	"FTFace.h"
  #include	"FTFont.h"
  #include	"FTGlyphContainer.h"
  //#include	"FTGL.h"
  
  
  
  
  // OPSignature:  FTFont:FTFont() 
  FTFont::FTFont()
  :	fontName(0),
  	numFaces(0),
  	glyphList(0)
  {
  	pen.x = 0;
  	pen.y = 0;
  }
  
  
  // OPSignature:  FTFont:~FTFont() 
  FTFont::~FTFont()
  {
  //Insert your own code here.
  
  //End of user code.         
  }
  
  
  // OPSignature: bool FTFont:Open( const char*:fontname ) 
  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;
  	}
  	
  
  }
  
  
  // OPSignature: void FTFont:Close() 
  void	FTFont::Close()
  {
  	face.Close();
  	delete glyphList;
  	
  }
  
  
  // OPSignature: bool FTFont:SetFaceSize( const int:size  const int:res ) 
  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);
  //	assert( face);
  
  	//FIXME
  	if( glyphList)
  		delete glyphList;
  		
  	glyphList = new FTGlyphContainer( face.Face(), numGlyphs);
  	
  	MakeGlyphList();
  }
  
  
  //FTGlyph* FTFont::Glyph( unsigned char code )
  //{}
  //
  //
  //FTGlyph* FTFont::Glyph( unsigned char thisCode, unsigned char nextCode )
  //{}
  
  
  // OPSignature: int FTFont:getAscender() 
  int	FTFont::Ascender() const
  {
  	return charSize.Ascender();
  }
  
  
  // OPSignature: int FTFont:getDescender() 
  int	FTFont::Descender() const
  {
  	return charSize.Descender();
  }
  
  
  // OPSignature: void FTFont:getBBox( const char*:text  int&:llx  int&:lly  int&:urx  int&:ury ) 
  void	FTFont::BBox( const char* text, int& llx, int& lly, int& urx, int& ury ) const
  {
  //Insert your own code here.
  
  //End of user code.         
  }
  
  
  // OPSignature: bool FTFont:render( const char*:string ) 
  bool FTFont::render( const char* string )
  {
  	char* c = string;
  	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;
  	}
  }
  

Download