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1 /* | 1 /* |
2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrFontScaler_DEFINED | 8 #ifndef GrFontScaler_DEFINED |
9 #define GrFontScaler_DEFINED | 9 #define GrFontScaler_DEFINED |
10 | 10 |
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22 */ | 22 */ |
23 class GrFontScaler : public SkRefCnt { | 23 class GrFontScaler : public SkRefCnt { |
24 public: | 24 public: |
25 SK_DECLARE_INST_COUNT(GrFontScaler) | 25 SK_DECLARE_INST_COUNT(GrFontScaler) |
26 | 26 |
27 virtual const GrKey* getKey() = 0; | 27 virtual const GrKey* getKey() = 0; |
28 virtual GrMaskFormat getMaskFormat() = 0; | 28 virtual GrMaskFormat getMaskFormat() = 0; |
29 virtual bool getPackedGlyphBounds(GrGlyph::PackedID, SkIRect* bounds) = 0; | 29 virtual bool getPackedGlyphBounds(GrGlyph::PackedID, SkIRect* bounds) = 0; |
30 virtual bool getPackedGlyphImage(GrGlyph::PackedID, int width, int height, | 30 virtual bool getPackedGlyphImage(GrGlyph::PackedID, int width, int height, |
31 int rowBytes, void* image) = 0; | 31 int rowBytes, void* image) = 0; |
| 32 // get bounds for distance field associated with packed ID |
| 33 virtual bool getPackedGlyphDFBounds(GrGlyph::PackedID, SkIRect* bounds) = 0; |
| 34 // copies distance field bytes into pre-allocated dfImage |
| 35 // (should be width*height bytes in size) |
| 36 virtual bool getPackedGlyphDFImage(GrGlyph::PackedID, int width, int height, |
| 37 void* dfImage) = 0; |
32 virtual bool getGlyphPath(uint16_t glyphID, SkPath*) = 0; | 38 virtual bool getGlyphPath(uint16_t glyphID, SkPath*) = 0; |
33 | 39 |
34 private: | 40 private: |
35 typedef SkRefCnt INHERITED; | 41 typedef SkRefCnt INHERITED; |
36 }; | 42 }; |
37 | 43 |
38 #endif | 44 #endif |
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