| /* |
| * 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<DstType, ApplyPremul, TileMode> |
| class LinearIntervalProcessor; |
| |
| template <DstType dstType, ApplyPremul premul> |
| void shadePremulSpan(int x, int y, typename DstTraits<dstType, premul>::Type[], |
| int count) const; |
| |
| template <DstType dstType, ApplyPremul premul, SkShader::TileMode tileMode> |
| void shadeSpanInternal(int x, int y, typename DstTraits<dstType, premul>::Type[], |
| 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 |