blob: a69e91248d9d4d70b591fc1090fadc758701cfd2 [file] [log] [blame]
/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrFontScaler_DEFINED
#define GrFontScaler_DEFINED
#include "GrGlyph.h"
#include "GrKey.h"
class SkPath;
/**
* This is a virtual base class which Gr's interface to the host platform's
* font scaler.
*
* The client is responsible for subclassing, and instantiating this. The
* instance is create for a specific font+size+matrix.
*/
class GrFontScaler : public GrRefCnt {
public:
SK_DECLARE_INST_COUNT(GrFontScaler)
virtual const GrKey* getKey() = 0;
virtual GrMaskFormat getMaskFormat() = 0;
virtual bool getPackedGlyphBounds(GrGlyph::PackedID, GrIRect* bounds) = 0;
virtual bool getPackedGlyphImage(GrGlyph::PackedID, int width, int height,
int rowBytes, void* image) = 0;
virtual bool getGlyphPath(uint16_t glyphID, SkPath*) = 0;
private:
typedef GrRefCnt INHERITED;
};
#endif