#ifndef __FTFace__
#define __FTFace__
//#include "FTGL.h"
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_GLYPH_H
#include "FTSize.h"
/**
* FTFace class provides an abstraction layer for the Freetype Face.
*
* @see "Freetype 2 Documentation - 2.0.4"
*
*/
class FTFace
{
public:
// methods
/**
* Default Constructor
*/
FTFace();
/**
* Destructor
*
* Disposes of the current Freetype Face.
*/
virtual ~FTFace();
/**
* Opens and reads a face file.
*
* @param fontname font file name.
* @return <code>true</code> if file has opened
* successfully.
*/
bool Open( const char* filename);
/**
* Disposes of the face
*/
void Close();
/**
* Sets the char size for the current face.
*
* This doesn't guarantee that the size was set correctly. Clients
* should check errors.
*
* @params size the face size in points (1/72 inch)
* @params res the resolution of the target device.
* @return <code>FTSize</code> object
*/
FTSize& Size( const unsigned int size, const unsigned int res);
/**
* Sets the character map for the face.
*
* @params encoding XXXXXXX
* @return <code>true</code> if charmap was valid and
* set correctly
*/
bool CharMap( FT_Encoding encoding);
/**
* Get the glyph index of the input character.
*
* @param
* @return
*/
unsigned int CharIndex( unsigned int index ) const;
/**
* Gets the ferning vector between two glyphs
*/
FT_Vector& KernAdvance( unsigned int index1, unsigned int index2);
/**
* Loads and creates a Freetype glyph.
*/
FT_Glyph& Glyph( unsigned int index, FT_Int load_flags);
/**
* Gets the current Freetype face.
*/
FT_Face* Face() const { return ftFace;}
/**
* Queries for errors.
*
* @return The current error code.
*/
FT_Error Error() const { return err; }
// attributes
private:
// methods
// attributes
/**
* The size object associated with this face
*/
FTSize charSize;
/**
* The Freetype face
*/
FT_Face* ftFace;
/**
* Temporary variable to hold a glyph
*/
FT_Glyph ftGlyph;
/**
* The number of character maps in this face.
*/
int numCharMaps;
/**
* The number of glyphs in this face
*/
int numGlyphs;
/**
* Temporary variable to holding a kerning vector.
*/
FT_Vector kernAdvance;
/**
* Current error code. Zero means no error.
*/
FT_Error err;
};
#endif // __FTFace__
