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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef Sk4fLinearGradient_DEFINED
#define Sk4fLinearGradient_DEFINED
#include "Sk4fGradientBase.h"
#include "SkLinearGradient.h"
class SkLinearGradient::
LinearGradient4fContext final : public GradientShaderBase4fContext {
public:
LinearGradient4fContext(const SkLinearGradient&, const ContextRec&);
void shadeSpan(int x, int y, SkPMColor dst[], int count) override;
void shadeSpan4f(int x, int y, SkPM4f dst[], int count) override;
protected:
void mapTs(int x, int y, SkScalar ts[], int count) const override;
bool onChooseBlitProcs(const SkImageInfo&, BlitState*) override;
private:
using INHERITED = GradientShaderBase4fContext;
template<typename DstType, SkColorProfileType, TileMode>
class LinearIntervalProcessor;
template <typename DstType, SkColorProfileType, ApplyPremul>
void shadePremulSpan(int x, int y, DstType[], int count) const;
template <typename DstType, SkColorProfileType, ApplyPremul, SkShader::TileMode tileMode>
void shadeSpanInternal(int x, int y, DstType[], int count) const;
const Interval* findInterval(SkScalar fx) const;
bool isFast() const { return fDstToPosClass == kLinear_MatrixClass; }
static void D32_BlitBW(BlitState*, int x, int y, const SkPixmap& dst, int count);
static void D64_BlitBW(BlitState*, int x, int y, const SkPixmap& dst, int count);
mutable const Interval* fCachedInterval;
};
#endif // Sk4fLinearGradient_DEFINED
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