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/*
* 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&);
class SweepGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
public:
SweepGradientContext(const SkSweepGradient& shader, const ContextRec&);
void shadeSpan(int x, int y, SkPMColor dstC[], int count) override;
private:
typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED;
};
GradientType asAGradient(GradientInfo* info) const override;
#if SK_SUPPORT_GPU
const GrFragmentProcessor* asFragmentProcessor(GrContext*,
const SkMatrix& viewM,
const SkMatrix*,
SkFilterQuality) const override;
#endif
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSweepGradient)
protected:
void flatten(SkWriteBuffer& buffer) const override;
size_t onContextSize(const ContextRec&) const override;
Context* onCreateContext(const ContextRec&, void* storage) const override;
private:
const SkPoint fCenter;
friend class SkGradientShader;
typedef SkGradientShaderBase INHERITED;
};
#endif
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