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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 SkRadialGradient_DEFINED
#define SkRadialGradient_DEFINED
#include "SkGradientShaderPriv.h"
class SkRadialGradient : public SkGradientShaderBase {
public:
SkRadialGradient(const SkPoint& center, SkScalar radius, const Descriptor&);
size_t contextSize() const override;
class RadialGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
public:
RadialGradientContext(const SkRadialGradient&, 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;
};
virtual BitmapType asABitmap(SkBitmap* bitmap,
SkMatrix* matrix,
TileMode* xy) 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(SkRadialGradient)
protected:
SkRadialGradient(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 fCenter;
const SkScalar fRadius;
};
#endif
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