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Side by Side Diff: src/effects/gradients/SkTwoPointRadialGradient.h

Issue 261773005: Remove SkShader virtual method validContext (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: correctly call shaderA/B in composeshader Created 6 years, 7 months ago
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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 virtual size_t contextSize() const SK_OVERRIDE; 26 virtual size_t contextSize() const SK_OVERRIDE;
27 virtual bool validContext(const ContextRec&, SkMatrix* totalInverse) const S K_OVERRIDE;
28 virtual SkShader::Context* createContext(const ContextRec&, void* storage) c onst SK_OVERRIDE;
29 27
30 class TwoPointRadialGradientContext : public SkGradientShaderBase::GradientS haderBaseContext { 28 class TwoPointRadialGradientContext : public SkGradientShaderBase::GradientS haderBaseContext {
31 public: 29 public:
32 TwoPointRadialGradientContext(const SkTwoPointRadialGradient&, const Con textRec&); 30 TwoPointRadialGradientContext(const SkTwoPointRadialGradient&, const Con textRec&);
33 31
34 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVE RRIDE; 32 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVE RRIDE;
35 33
36 private: 34 private:
37 typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED; 35 typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED;
38 }; 36 };
39 37
40 SkScalar getCenterX1() const { return fDiff.length(); } 38 SkScalar getCenterX1() const { return fDiff.length(); }
41 SkScalar getStartRadius() const { return fStartRadius; } 39 SkScalar getStartRadius() const { return fStartRadius; }
42 SkScalar getDiffRadius() const { return fDiffRadius; } 40 SkScalar getDiffRadius() const { return fDiffRadius; }
43 41
44 SK_TO_STRING_OVERRIDE() 42 SK_TO_STRING_OVERRIDE()
45 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTwoPointRadialGradient ) 43 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTwoPointRadialGradient )
46 44
47 protected: 45 protected:
48 SkTwoPointRadialGradient(SkReadBuffer& buffer); 46 SkTwoPointRadialGradient(SkReadBuffer& buffer);
49 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE; 47 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
48 virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_ OVERRIDE;
50 49
51 private: 50 private:
52 const SkPoint fCenter1; 51 const SkPoint fCenter1;
53 const SkPoint fCenter2; 52 const SkPoint fCenter2;
54 const SkScalar fRadius1; 53 const SkScalar fRadius1;
55 const SkScalar fRadius2; 54 const SkScalar fRadius2;
56 SkPoint fDiff; 55 SkPoint fDiff;
57 SkScalar fStartRadius, fDiffRadius, fSr2D2, fA, fOneOverTwoA; 56 SkScalar fStartRadius, fDiffRadius, fSr2D2, fA, fOneOverTwoA;
58 57
59 void init(); 58 void init();
60 59
61 typedef SkGradientShaderBase INHERITED; 60 typedef SkGradientShaderBase INHERITED;
62 }; 61 };
63 62
64 #endif 63 #endif
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