skia2/include/gpu/GrFontScaler.h
2011-10-12 19:53:16 +00:00

38 lines
932 B
C++

/*
* 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:
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;
};
#endif