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1 | |
2 /* | 1 /* |
3 * Copyright 2010 Google Inc. | 2 * Copyright 2010 Google Inc. |
4 * | 3 * |
5 * 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 |
6 * found in the LICENSE file. | 5 * found in the LICENSE file. |
7 */ | 6 */ |
8 | 7 |
9 | |
10 | |
11 #ifndef GrFontScaler_DEFINED | 8 #ifndef GrFontScaler_DEFINED |
12 #define GrFontScaler_DEFINED | 9 #define GrFontScaler_DEFINED |
13 | 10 |
14 #include "GrGlyph.h" | 11 #include "GrGlyph.h" |
15 #include "GrKey.h" | 12 #include "GrKey.h" |
16 | 13 |
17 class SkPath; | 14 class SkPath; |
18 | 15 |
19 /** | 16 /** |
20 * This is a virtual base class which Gr's interface to the host platform's | 17 * This is a virtual base class which Gr's interface to the host platform's |
21 * font scaler. | 18 * font scaler. |
22 * | 19 * |
23 * The client is responsible for subclassing, and instantiating this. The | 20 * The client is responsible for subclassing, and instantiating this. The |
24 * instance is create for a specific font+size+matrix. | 21 * instance is create for a specific font+size+matrix. |
25 */ | 22 */ |
26 class GrFontScaler : public GrRefCnt { | 23 class GrFontScaler : public GrRefCnt { |
27 public: | 24 public: |
28 SK_DECLARE_INST_COUNT(GrFontScaler) | 25 SK_DECLARE_INST_COUNT(GrFontScaler) |
29 | 26 |
30 virtual const GrKey* getKey() = 0; | 27 virtual const GrKey* getKey() = 0; |
31 virtual GrMaskFormat getMaskFormat() = 0; | 28 virtual GrMaskFormat getMaskFormat() = 0; |
32 virtual bool getPackedGlyphBounds(GrGlyph::PackedID, GrIRect* bounds) = 0; | 29 virtual bool getPackedGlyphBounds(GrGlyph::PackedID, SkIRect* bounds) = 0; |
33 virtual bool getPackedGlyphImage(GrGlyph::PackedID, int width, int height, | 30 virtual bool getPackedGlyphImage(GrGlyph::PackedID, int width, int height, |
34 int rowBytes, void* image) = 0; | 31 int rowBytes, void* image) = 0; |
35 virtual bool getGlyphPath(uint16_t glyphID, SkPath*) = 0; | 32 virtual bool getGlyphPath(uint16_t glyphID, SkPath*) = 0; |
36 | 33 |
37 private: | 34 private: |
38 typedef GrRefCnt INHERITED; | 35 typedef GrRefCnt INHERITED; |
39 }; | 36 }; |
40 | 37 |
41 #endif | 38 #endif |
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