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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&,
const SkMatrix* localMatrix);
virtual SkShader::Context* createContext(const SkBitmap&, const SkPaint&, const SkMatrix&,
void* storage) const SK_OVERRIDE;
virtual size_t contextSize() const SK_OVERRIDE;
class RadialGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
public:
RadialGradientContext(const SkRadialGradient& shader, const SkBitmap& device,
const SkPaint& paint, const SkMatrix& matrix);
~RadialGradientContext() {}
virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE;
virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE;
private:
typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED;
};
virtual BitmapType asABitmap(SkBitmap* bitmap,
SkMatrix* matrix,
TileMode* xy) const SK_OVERRIDE;
virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE;
virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint&) const SK_OVERRIDE;
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkRadialGradient)
protected:
SkRadialGradient(SkReadBuffer& buffer);
virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
private:
typedef SkGradientShaderBase INHERITED;
const SkPoint fCenter;
const SkScalar fRadius;
};
#endif
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