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1 /* | 1 /* |
2 * Copyright 2007 The Android Open Source Project | 2 * Copyright 2007 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 SkPixelXorXfermode_DEFINED | 8 #ifndef SkPixelXorXfermode_DEFINED |
9 #define SkPixelXorXfermode_DEFINED | 9 #define SkPixelXorXfermode_DEFINED |
10 | 10 |
11 #include "SkXfermode.h" | 11 #include "SkXfermode.h" |
12 | 12 |
13 /** SkPixelXorXfermode implements a simple pixel xor (op ^ src ^ dst). | 13 /** SkPixelXorXfermode implements a simple pixel xor (op ^ src ^ dst). |
14 This transformation does not follow premultiplied conventions, therefore | 14 This transformation does not follow premultiplied conventions, therefore |
15 this proc *always* returns an opaque color (alpha == 255). Thus it is | 15 this proc *always* returns an opaque color (alpha == 255). Thus it is |
16 not really usefull for operating on blended colors. | 16 not really usefull for operating on blended colors. |
17 */ | 17 */ |
18 class SK_API SkPixelXorXfermode : public SkXfermode { | 18 class SK_API SkPixelXorXfermode : public SkXfermode { |
19 public: | 19 public: |
20 static SkXfermode* Create(SkColor opColor) { | 20 static SkXfermode* Create(SkColor opColor) { |
21 return new SkPixelXorXfermode(opColor); | 21 return new SkPixelXorXfermode(opColor); |
22 } | 22 } |
23 | 23 |
24 #if SK_SUPPORT_GPU | 24 #if SK_SUPPORT_GPU |
25 bool asFragmentProcessor(const GrFragmentProcessor** output, | 25 const GrFragmentProcessor* getFragmentProcessorForImageFilter( |
26 const GrFragmentProcessor* dst) const override; | 26 const GrFragmentProcessor* d
st) const override; |
27 | 27 GrXPFactory* asXPFactory() const override; |
28 bool asXPFactory(GrXPFactory**) const override; | |
29 #endif | 28 #endif |
30 | 29 |
31 SK_TO_STRING_OVERRIDE() | 30 SK_TO_STRING_OVERRIDE() |
32 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPixelXorXfermode) | 31 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPixelXorXfermode) |
33 | 32 |
34 protected: | 33 protected: |
35 void flatten(SkWriteBuffer&) const override; | 34 void flatten(SkWriteBuffer&) const override; |
36 SkPMColor xferColor(SkPMColor src, SkPMColor dst) const override; | 35 SkPMColor xferColor(SkPMColor src, SkPMColor dst) const override; |
37 | 36 |
38 private: | 37 private: |
39 explicit SkPixelXorXfermode(SkColor opColor) { | 38 explicit SkPixelXorXfermode(SkColor opColor) { |
40 fOpColor = SkPreMultiplyColor(opColor | 0xFF000000); | 39 fOpColor = SkPreMultiplyColor(opColor | 0xFF000000); |
41 } | 40 } |
42 | 41 |
43 SkPMColor fOpColor; | 42 SkPMColor fOpColor; |
44 | 43 |
45 typedef SkXfermode INHERITED; | 44 typedef SkXfermode INHERITED; |
46 }; | 45 }; |
47 | 46 |
48 #endif | 47 #endif |
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