mirror of
https://github.com/AquariaOSE/Aquaria.git
synced 2024-12-26 22:55:50 +00:00
127 lines
3.6 KiB
C++
127 lines
3.6 KiB
C++
#ifndef __FTGlyphContainer__
|
|
#define __FTGlyphContainer__
|
|
|
|
#include <ft2build.h>
|
|
#include FT_FREETYPE_H
|
|
#include FT_GLYPH_H
|
|
|
|
#include "FTGL.h"
|
|
#include "FTBBox.h"
|
|
#include "FTPoint.h"
|
|
#include "FTVector.h"
|
|
|
|
class FTFace;
|
|
class FTGlyph;
|
|
class FTCharmap;
|
|
|
|
/**
|
|
* FTGlyphContainer holds the post processed FTGlyph objects.
|
|
*
|
|
* @see FTGlyph
|
|
*/
|
|
class FTGL_EXPORT FTGlyphContainer
|
|
{
|
|
typedef FTVector<FTGlyph*> GlyphVector;
|
|
public:
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param face The Freetype face
|
|
*/
|
|
FTGlyphContainer( FTFace* face);
|
|
|
|
/**
|
|
* Destructor
|
|
*/
|
|
~FTGlyphContainer();
|
|
|
|
/**
|
|
* Sets the character map for the face.
|
|
*
|
|
* @param encoding the Freetype encoding symbol. See above.
|
|
* @return <code>true</code> if charmap was valid
|
|
* and set correctly
|
|
*/
|
|
bool CharMap( FT_Encoding encoding);
|
|
|
|
/**
|
|
* Get the font index of the input character.
|
|
*
|
|
* @param characterCode The character code of the requested glyph in the
|
|
* current encoding eg apple roman.
|
|
* @return The font index for the character.
|
|
*/
|
|
unsigned int FontIndex( const unsigned int characterCode ) const;
|
|
|
|
/**
|
|
* Adds a glyph to this glyph list.
|
|
*
|
|
* @param glyph The FTGlyph to be inserted into the container
|
|
* @param characterCode The char code of the glyph NOT the glyph index.
|
|
*/
|
|
void Add( FTGlyph* glyph, const unsigned int characterCode);
|
|
|
|
/**
|
|
* Get a glyph from the glyph list
|
|
*
|
|
* @param characterCode The char code of the glyph NOT the glyph index
|
|
* @return An FTGlyph or <code>null</code> is it hasn't been
|
|
* loaded.
|
|
*/
|
|
const FTGlyph* const Glyph( const unsigned int characterCode) const;
|
|
|
|
/**
|
|
* Get the bounding box for a character.
|
|
* @param characterCode The char code of the glyph NOT the glyph index
|
|
*/
|
|
FTBBox BBox( const unsigned int characterCode) const;
|
|
|
|
/**
|
|
* Returns the kerned advance width for a glyph.
|
|
*
|
|
* @param characterCode glyph index of the character
|
|
* @param nextCharacterCode the next glyph in a string
|
|
* @return advance width
|
|
*/
|
|
float Advance( const unsigned int characterCode, const unsigned int nextCharacterCode);
|
|
|
|
/**
|
|
* Renders a character
|
|
* @param characterCode the glyph to be Rendered
|
|
* @param nextCharacterCode the next glyph in the string. Used for kerning.
|
|
* @param penPosition the position to Render the glyph
|
|
* @return The distance to advance the pen position after Rendering
|
|
*/
|
|
FTPoint Render( const unsigned int characterCode, const unsigned int nextCharacterCode, FTPoint penPosition);
|
|
|
|
/**
|
|
* Queries the Font for errors.
|
|
*
|
|
* @return The current error code.
|
|
*/
|
|
FT_Error Error() const { return err;}
|
|
|
|
private:
|
|
/**
|
|
* The FTGL face
|
|
*/
|
|
FTFace* face;
|
|
|
|
/**
|
|
* The Character Map object associated with the current face
|
|
*/
|
|
FTCharmap* charMap;
|
|
|
|
/**
|
|
* A structure to hold the glyphs
|
|
*/
|
|
GlyphVector glyphs;
|
|
|
|
/**
|
|
* Current error code. Zero means no error.
|
|
*/
|
|
FT_Error err;
|
|
};
|
|
|
|
|
|
#endif // __FTGlyphContainer__
|