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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 SkFilterShader_DEFINED | 8 #ifndef SkFilterShader_DEFINED |
9 #define SkFilterShader_DEFINED | 9 #define SkFilterShader_DEFINED |
10 | 10 |
11 #include "SkShader.h" | 11 #include "SkShader.h" |
12 | 12 |
13 class SkColorFilter; | 13 class SkColorFilter; |
14 | 14 |
15 class SkFilterShader : public SkShader { | 15 class SkFilterShader : public SkShader { |
16 public: | 16 public: |
17 SkFilterShader(SkShader* shader, SkColorFilter* filter); | 17 SkFilterShader(SkShader* shader, SkColorFilter* filter); |
18 virtual ~SkFilterShader(); | 18 virtual ~SkFilterShader(); |
19 | 19 |
20 virtual bool validContext(const ContextRec&, SkMatrix* totalInverse) const S
K_OVERRIDE; | |
21 virtual SkShader::Context* createContext(const ContextRec&, void* storage) c
onst SK_OVERRIDE; | |
22 virtual size_t contextSize() const SK_OVERRIDE; | 20 virtual size_t contextSize() const SK_OVERRIDE; |
23 | 21 |
24 class FilterShaderContext : public SkShader::Context { | 22 class FilterShaderContext : public SkShader::Context { |
25 public: | 23 public: |
26 // Takes ownership of shaderContext and calls its destructor. | 24 // Takes ownership of shaderContext and calls its destructor. |
27 FilterShaderContext(const SkFilterShader&, SkShader::Context*, const Con
textRec&); | 25 FilterShaderContext(const SkFilterShader&, SkShader::Context*, const Con
textRec&); |
28 virtual ~FilterShaderContext(); | 26 virtual ~FilterShaderContext(); |
29 | 27 |
30 virtual uint32_t getFlags() const SK_OVERRIDE; | 28 virtual uint32_t getFlags() const SK_OVERRIDE; |
31 | 29 |
32 virtual void shadeSpan(int x, int y, SkPMColor[], int count) SK_OVERRIDE
; | 30 virtual void shadeSpan(int x, int y, SkPMColor[], int count) SK_OVERRIDE
; |
33 virtual void shadeSpan16(int x, int y, uint16_t[], int count) SK_OVERRID
E; | 31 virtual void shadeSpan16(int x, int y, uint16_t[], int count) SK_OVERRID
E; |
34 | 32 |
35 private: | 33 private: |
36 SkShader::Context* fShaderContext; | 34 SkShader::Context* fShaderContext; |
37 | 35 |
38 typedef SkShader::Context INHERITED; | 36 typedef SkShader::Context INHERITED; |
39 }; | 37 }; |
40 | 38 |
41 SK_TO_STRING_OVERRIDE() | 39 SK_TO_STRING_OVERRIDE() |
42 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkFilterShader) | 40 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkFilterShader) |
43 | 41 |
44 protected: | 42 protected: |
45 SkFilterShader(SkReadBuffer& ); | 43 SkFilterShader(SkReadBuffer& ); |
46 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 44 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| 45 virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_
OVERRIDE; |
| 46 |
47 | 47 |
48 private: | 48 private: |
49 SkShader* fShader; | 49 SkShader* fShader; |
50 SkColorFilter* fFilter; | 50 SkColorFilter* fFilter; |
51 | 51 |
52 typedef SkShader INHERITED; | 52 typedef SkShader INHERITED; |
53 }; | 53 }; |
54 | 54 |
55 #endif | 55 #endif |
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