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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&);
size_t contextSize() const override;
class LinearGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
public:
LinearGradientContext(const SkLinearGradient&, const ContextRec&);
~LinearGradientContext() {}
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;
};
BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const override;
GradientType asAGradient(GradientInfo* info) const override;
virtual bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix& viewM,
const SkMatrix*,
GrColor*, GrFragmentProcessor**) const override;
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLinearGradient)
protected:
SkLinearGradient(SkReadBuffer& buffer);
void flatten(SkWriteBuffer& buffer) const override;
Context* onCreateContext(const ContextRec&, void* storage) const override;
private:
friend class SkGradientShader;
typedef SkGradientShaderBase INHERITED;
const SkPoint fStart;
const SkPoint fEnd;
};
#endif
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