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comparison: gfx/skia/trunk/include/gpu/GrFontScaler.h
gfx/skia/trunk/include/gpu/GrFontScaler.h
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| 1 /* | |
| 2 * Copyright 2010 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef GrFontScaler_DEFINED | |
| 9 #define GrFontScaler_DEFINED | |
| 10 | |
| 11 #include "GrGlyph.h" | |
| 12 #include "GrKey.h" | |
| 13 | |
| 14 class SkPath; | |
| 15 | |
| 16 /** | |
| 17 * This is a virtual base class which Gr's interface to the host platform's | |
| 18 * font scaler. | |
| 19 * | |
| 20 * The client is responsible for subclassing, and instantiating this. The | |
| 21 * instance is create for a specific font+size+matrix. | |
| 22 */ | |
| 23 class GrFontScaler : public SkRefCnt { | |
| 24 public: | |
| 25 SK_DECLARE_INST_COUNT(GrFontScaler) | |
| 26 | |
| 27 virtual const GrKey* getKey() = 0; | |
| 28 virtual GrMaskFormat getMaskFormat() = 0; | |
| 29 virtual bool getPackedGlyphBounds(GrGlyph::PackedID, SkIRect* bounds) = 0; | |
| 30 virtual bool getPackedGlyphImage(GrGlyph::PackedID, int width, int height, | |
| 31 int rowBytes, void* image) = 0; | |
| 32 virtual bool getGlyphPath(uint16_t glyphID, SkPath*) = 0; | |
| 33 | |
| 34 private: | |
| 35 typedef SkRefCnt INHERITED; | |
| 36 }; | |
| 37 | |
| 38 #endif |
