| |
| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkSweepGradient_DEFINED |
| #define SkSweepGradient_DEFINED |
| |
| #include "SkGradientShaderPriv.h" |
| |
| class SkSweepGradient : public SkGradientShaderBase { |
| public: |
| SkSweepGradient(SkScalar cx, SkScalar cy, const Descriptor&); |
| |
| size_t contextSize() const override; |
| |
| class SweepGradientContext : public SkGradientShaderBase::GradientShaderBaseContext { |
| public: |
| SweepGradientContext(const SkSweepGradient& shader, const ContextRec&); |
| |
| void shadeSpan(int x, int y, SkPMColor dstC[], int count) override; |
| void shadeSpan16(int x, int y, uint16_t dstC[], int count) override; |
| |
| private: |
| typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED; |
| }; |
| |
| GradientType asAGradient(GradientInfo* info) const override; |
| |
| bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix& viewM, |
| const SkMatrix*, GrColor*, GrProcessorDataManager*, |
| GrFragmentProcessor**) const override; |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSweepGradient) |
| |
| protected: |
| void flatten(SkWriteBuffer& buffer) const override; |
| Context* onCreateContext(const ContextRec&, void* storage) const override; |
| |
| private: |
| const SkPoint fCenter; |
| |
| friend class SkGradientShader; |
| typedef SkGradientShaderBase INHERITED; |
| }; |
| |
| #endif |