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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 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 Sk4fGradientBase_DEFINED | 8 #ifndef Sk4fGradientBase_DEFINED |
9 #define Sk4fGradientBase_DEFINED | 9 #define Sk4fGradientBase_DEFINED |
10 | 10 |
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21 GradientShaderBase4fContext : public SkShader::Context { | 21 GradientShaderBase4fContext : public SkShader::Context { |
22 public: | 22 public: |
23 GradientShaderBase4fContext(const SkGradientShaderBase&, | 23 GradientShaderBase4fContext(const SkGradientShaderBase&, |
24 const ContextRec&); | 24 const ContextRec&); |
25 | 25 |
26 uint32_t getFlags() const override { return fFlags; } | 26 uint32_t getFlags() const override { return fFlags; } |
27 | 27 |
28 void shadeSpan(int x, int y, SkPMColor dst[], int count) override; | 28 void shadeSpan(int x, int y, SkPMColor dst[], int count) override; |
29 void shadeSpan4f(int x, int y, SkPM4f dst[], int count) override; | 29 void shadeSpan4f(int x, int y, SkPM4f dst[], int count) override; |
30 | 30 |
| 31 bool isValid() const; |
| 32 |
31 protected: | 33 protected: |
32 struct Interval { | 34 struct Interval { |
33 Interval(const Sk4f& c0, SkScalar p0, | 35 Interval(const Sk4f& c0, SkScalar p0, |
34 const Sk4f& c1, SkScalar p1); | 36 const Sk4f& c1, SkScalar p1); |
35 | 37 |
36 bool isZeroRamp() const { return fZeroRamp; } | 38 bool isZeroRamp() const { return fZeroRamp; } |
37 | 39 |
38 SkPM4f fC0, fDc; | 40 SkPM4f fC0, fDc; |
39 SkScalar fP0, fP1; | 41 SkScalar fP0, fP1; |
40 bool fZeroRamp; | 42 bool fZeroRamp; |
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64 template <DstType dstType, ApplyPremul premul> | 66 template <DstType dstType, ApplyPremul premul> |
65 void shadePremulSpan(int x, int y, typename DstTraits<dstType, premul>::Type
[], | 67 void shadePremulSpan(int x, int y, typename DstTraits<dstType, premul>::Type
[], |
66 int count) const; | 68 int count) const; |
67 | 69 |
68 template <DstType dstType, ApplyPremul premul, SkShader::TileMode tileMode> | 70 template <DstType dstType, ApplyPremul premul, SkShader::TileMode tileMode> |
69 void shadeSpanInternal(int x, int y, typename DstTraits<dstType, premul>::Ty
pe[], | 71 void shadeSpanInternal(int x, int y, typename DstTraits<dstType, premul>::Ty
pe[], |
70 int count) const; | 72 int count) const; |
71 }; | 73 }; |
72 | 74 |
73 #endif // Sk4fGradientBase_DEFINED | 75 #endif // Sk4fGradientBase_DEFINED |
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