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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #ifndef SkTwoPointRadialGradient_DEFINED | 9 #ifndef SkTwoPointRadialGradient_DEFINED |
10 #define SkTwoPointRadialGradient_DEFINED | 10 #define SkTwoPointRadialGradient_DEFINED |
11 | 11 |
12 #include "SkGradientShaderPriv.h" | 12 #include "SkGradientShaderPriv.h" |
13 | 13 |
14 class SkTwoPointRadialGradient : public SkGradientShaderBase { | 14 class SkTwoPointRadialGradient : public SkGradientShaderBase { |
15 public: | 15 public: |
16 SkTwoPointRadialGradient(const SkPoint& start, SkScalar startRadius, | 16 SkTwoPointRadialGradient(const SkPoint& start, SkScalar startRadius, |
17 const SkPoint& end, SkScalar endRadius, | 17 const SkPoint& end, SkScalar endRadius, |
18 const Descriptor&, const SkMatrix* localMatrix); | 18 const Descriptor&, const SkMatrix* localMatrix); |
19 | 19 |
20 virtual BitmapType asABitmap(SkBitmap* bitmap, | 20 virtual BitmapType asABitmap(SkBitmap* bitmap, |
21 SkMatrix* matrix, | 21 SkMatrix* matrix, |
22 TileMode* xy) const SK_OVERRIDE; | 22 TileMode* xy) const SK_OVERRIDE; |
23 virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; | 23 virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; |
24 virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint&) const S
K_OVERRIDE; | 24 virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint&) const S
K_OVERRIDE; |
25 | 25 |
26 | |
27 virtual size_t contextSize() const SK_OVERRIDE; | 26 virtual size_t contextSize() const SK_OVERRIDE; |
28 virtual bool validContext(const SkBitmap&, const SkPaint&, | 27 virtual bool validContext(const ContextRec&, SkMatrix* totalInverse) const S
K_OVERRIDE; |
29 const SkMatrix&, SkMatrix* totalInverse = NULL) co
nst SK_OVERRIDE; | 28 virtual SkShader::Context* createContext(const ContextRec&, void* storage) c
onst SK_OVERRIDE; |
30 virtual SkShader::Context* createContext(const SkBitmap&, const SkPaint&, co
nst SkMatrix&, | |
31 void* storage) const SK_OVERRIDE; | |
32 | 29 |
33 class TwoPointRadialGradientContext : public SkGradientShaderBase::GradientS
haderBaseContext { | 30 class TwoPointRadialGradientContext : public SkGradientShaderBase::GradientS
haderBaseContext { |
34 public: | 31 public: |
35 TwoPointRadialGradientContext(const SkTwoPointRadialGradient& shader, | 32 TwoPointRadialGradientContext(const SkTwoPointRadialGradient&, const Con
textRec&); |
36 const SkBitmap& device, | |
37 const SkPaint& paint, | |
38 const SkMatrix& matrix); | |
39 ~TwoPointRadialGradientContext() {} | |
40 | 33 |
41 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVE
RRIDE; | 34 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVE
RRIDE; |
42 | 35 |
43 private: | 36 private: |
44 typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED; | 37 typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED; |
45 }; | 38 }; |
46 | 39 |
47 SkScalar getCenterX1() const { return fDiff.length(); } | 40 SkScalar getCenterX1() const { return fDiff.length(); } |
48 SkScalar getStartRadius() const { return fStartRadius; } | 41 SkScalar getStartRadius() const { return fStartRadius; } |
49 SkScalar getDiffRadius() const { return fDiffRadius; } | 42 SkScalar getDiffRadius() const { return fDiffRadius; } |
(...skipping 12 matching lines...) Expand all Loading... |
62 const SkScalar fRadius2; | 55 const SkScalar fRadius2; |
63 SkPoint fDiff; | 56 SkPoint fDiff; |
64 SkScalar fStartRadius, fDiffRadius, fSr2D2, fA, fOneOverTwoA; | 57 SkScalar fStartRadius, fDiffRadius, fSr2D2, fA, fOneOverTwoA; |
65 | 58 |
66 void init(); | 59 void init(); |
67 | 60 |
68 typedef SkGradientShaderBase INHERITED; | 61 typedef SkGradientShaderBase INHERITED; |
69 }; | 62 }; |
70 | 63 |
71 #endif | 64 #endif |
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