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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&, const SkMatrix* localMatrix);
virtual size_t contextSize() const SK_OVERRIDE;
class LinearGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
public:
LinearGradientContext(const SkLinearGradient&, const ContextRec&);
~LinearGradientContext() {}
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*, SkMatrix*, TileMode*) 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(SkLinearGradient)
protected:
SkLinearGradient(SkReadBuffer& buffer);
virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE;
private:
typedef SkGradientShaderBase INHERITED;
const SkPoint fStart;
const SkPoint fEnd;
};
#endif
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