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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 SkLinearGradient_DEFINED
#define SkLinearGradient_DEFINED
#include "SkGradientShaderPriv.h"
class SkLinearGradient : public SkGradientShaderBase {
public:
SkLinearGradient(const SkPoint pts[2], const Descriptor&);
GradientType asAGradient(GradientInfo* info) const override;
#if SK_SUPPORT_GPU
std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(const GrFPArgs&) const override;
#endif
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLinearGradient)
protected:
SkLinearGradient(SkReadBuffer& buffer);
void flatten(SkWriteBuffer& buffer) const override;
Context* onMakeContext(const ContextRec&, SkArenaAlloc*) const override;
Context* onMakeBurstPipelineContext(const ContextRec&, SkArenaAlloc*) const override;
void appendGradientStages(SkArenaAlloc* alloc, SkRasterPipeline* tPipeline,
SkRasterPipeline* postPipeline) const final;
sk_sp<SkShader> onMakeColorSpace(SkColorSpaceXformer* xformer) const override;
private:
class LinearGradient4fContext;
friend class SkGradientShader;
typedef SkGradientShaderBase INHERITED;
const SkPoint fStart;
const SkPoint fEnd;
};
#endif
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