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1 | |
2 /* | 1 /* |
3 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #ifndef SkLinearGradient_DEFINED | 8 #ifndef SkLinearGradient_DEFINED |
10 #define SkLinearGradient_DEFINED | 9 #define SkLinearGradient_DEFINED |
11 | 10 |
12 #include "SkGradientShaderPriv.h" | 11 #include "SkGradientShaderPriv.h" |
13 | 12 |
14 class SkLinearGradient : public SkGradientShaderBase { | 13 class SkLinearGradient : public SkGradientShaderBase { |
15 public: | 14 public: |
16 SkLinearGradient(const SkPoint pts[2], const Descriptor&, const SkMatrix* lo
calMatrix); | 15 SkLinearGradient(const SkPoint pts[2], const Descriptor&, const SkMatrix* lo
calMatrix); |
17 | 16 |
18 virtual SkShader::Context* createContext(const SkBitmap&, const SkPaint&, co
nst SkMatrix&, | 17 virtual SkShader::Context* createContext(const ContextRec&, void* storage) c
onst SK_OVERRIDE; |
19 void* storage) const SK_OVERRIDE; | |
20 virtual size_t contextSize() const SK_OVERRIDE; | 18 virtual size_t contextSize() const SK_OVERRIDE; |
21 | 19 |
22 class LinearGradientContext : public SkGradientShaderBase::GradientShaderBas
eContext { | 20 class LinearGradientContext : public SkGradientShaderBase::GradientShaderBas
eContext { |
23 public: | 21 public: |
24 LinearGradientContext(const SkLinearGradient& shader, const SkBitmap& de
vice, | 22 LinearGradientContext(const SkLinearGradient&, const ContextRec&); |
25 const SkPaint& paint, const SkMatrix& matrix); | |
26 ~LinearGradientContext() {} | 23 ~LinearGradientContext() {} |
27 | 24 |
28 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVE
RRIDE; | 25 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVE
RRIDE; |
29 virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OV
ERRIDE; | 26 virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OV
ERRIDE; |
30 | 27 |
31 private: | 28 private: |
32 typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED; | 29 typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED; |
33 }; | 30 }; |
34 | 31 |
35 virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERR
IDE; | 32 virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERR
IDE; |
36 virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; | 33 virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; |
37 virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint&) const S
K_OVERRIDE; | 34 virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint&) const S
K_OVERRIDE; |
38 | 35 |
39 SK_TO_STRING_OVERRIDE() | 36 SK_TO_STRING_OVERRIDE() |
40 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLinearGradient) | 37 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLinearGradient) |
41 | 38 |
42 protected: | 39 protected: |
43 SkLinearGradient(SkReadBuffer& buffer); | 40 SkLinearGradient(SkReadBuffer& buffer); |
44 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE; | 41 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE; |
45 | 42 |
46 private: | 43 private: |
47 typedef SkGradientShaderBase INHERITED; | 44 typedef SkGradientShaderBase INHERITED; |
48 const SkPoint fStart; | 45 const SkPoint fStart; |
49 const SkPoint fEnd; | 46 const SkPoint fEnd; |
50 }; | 47 }; |
51 | 48 |
52 #endif | 49 #endif |
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