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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
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 SkTableMaskFilter_DEFINED | 8 #ifndef SkTableMaskFilter_DEFINED |
9 #define SkTableMaskFilter_DEFINED | 9 #define SkTableMaskFilter_DEFINED |
10 | 10 |
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23 /** Utility that sets the gamma table | 23 /** Utility that sets the gamma table |
24 */ | 24 */ |
25 static void MakeGammaTable(uint8_t table[256], SkScalar gamma); | 25 static void MakeGammaTable(uint8_t table[256], SkScalar gamma); |
26 | 26 |
27 /** Utility that creates a clipping table: clamps values below min to 0 | 27 /** Utility that creates a clipping table: clamps values below min to 0 |
28 and above max to 255, and rescales the remaining into 0..255 | 28 and above max to 255, and rescales the remaining into 0..255 |
29 */ | 29 */ |
30 static void MakeClipTable(uint8_t table[256], uint8_t min, uint8_t max); | 30 static void MakeClipTable(uint8_t table[256], uint8_t min, uint8_t max); |
31 | 31 |
32 static SkTableMaskFilter* Create(const uint8_t table[256]) { | 32 static SkTableMaskFilter* Create(const uint8_t table[256]) { |
33 return SkNEW_ARGS(SkTableMaskFilter, (table)); | 33 return new SkTableMaskFilter(table); |
34 } | 34 } |
35 | 35 |
36 static SkTableMaskFilter* CreateGamma(SkScalar gamma) { | 36 static SkTableMaskFilter* CreateGamma(SkScalar gamma) { |
37 uint8_t table[256]; | 37 uint8_t table[256]; |
38 MakeGammaTable(table, gamma); | 38 MakeGammaTable(table, gamma); |
39 return SkNEW_ARGS(SkTableMaskFilter, (table)); | 39 return new SkTableMaskFilter(table); |
40 } | 40 } |
41 | 41 |
42 static SkTableMaskFilter* CreateClip(uint8_t min, uint8_t max) { | 42 static SkTableMaskFilter* CreateClip(uint8_t min, uint8_t max) { |
43 uint8_t table[256]; | 43 uint8_t table[256]; |
44 MakeClipTable(table, min, max); | 44 MakeClipTable(table, min, max); |
45 return SkNEW_ARGS(SkTableMaskFilter, (table)); | 45 return new SkTableMaskFilter(table); |
46 } | 46 } |
47 | 47 |
48 SkMask::Format getFormat() const override; | 48 SkMask::Format getFormat() const override; |
49 virtual bool filterMask(SkMask*, const SkMask&, const SkMatrix&, | 49 virtual bool filterMask(SkMask*, const SkMask&, const SkMatrix&, |
50 SkIPoint*) const override; | 50 SkIPoint*) const override; |
51 | 51 |
52 SK_TO_STRING_OVERRIDE() | 52 SK_TO_STRING_OVERRIDE() |
53 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTableMaskFilter) | 53 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTableMaskFilter) |
54 | 54 |
55 protected: | 55 protected: |
56 SkTableMaskFilter(); | 56 SkTableMaskFilter(); |
57 explicit SkTableMaskFilter(const uint8_t table[256]); | 57 explicit SkTableMaskFilter(const uint8_t table[256]); |
58 void flatten(SkWriteBuffer&) const override; | 58 void flatten(SkWriteBuffer&) const override; |
59 | 59 |
60 private: | 60 private: |
61 uint8_t fTable[256]; | 61 uint8_t fTable[256]; |
62 | 62 |
63 typedef SkMaskFilter INHERITED; | 63 typedef SkMaskFilter INHERITED; |
64 }; | 64 }; |
65 | 65 |
66 #endif | 66 #endif |
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