/* * Copyright 2007 The Android Open Source Project * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef SkColorMatrixFilter_DEFINED #define SkColorMatrixFilter_DEFINED #include "SkColorFilter.h" #include "SkColorMatrix.h" class SK_API SkColorMatrixFilter : public SkColorFilter { public: static SkColorMatrixFilter* Create(const SkColorMatrix& cm) { return SkNEW_ARGS(SkColorMatrixFilter, (cm)); } static SkColorMatrixFilter* Create(const SkScalar array[20]) { return SkNEW_ARGS(SkColorMatrixFilter, (array)); } void filterSpan(const SkPMColor src[], int count, SkPMColor[]) const override; uint32_t getFlags() const override; bool asColorMatrix(SkScalar matrix[20]) const override; SkColorFilter* newComposed(const SkColorFilter*) const override; #if SK_SUPPORT_GPU bool asFragmentProcessors(GrContext*, GrProcessorDataManager*, SkTDArray*) const override; #endif struct State { int32_t fArray[20]; int fShift; }; SK_TO_STRING_OVERRIDE() SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkColorMatrixFilter) protected: explicit SkColorMatrixFilter(const SkColorMatrix&); explicit SkColorMatrixFilter(const SkScalar array[20]); void flatten(SkWriteBuffer&) const override; private: SkColorMatrix fMatrix; float fTranspose[SkColorMatrix::kCount]; // for Sk4s typedef void (*Proc)(const State&, unsigned r, unsigned g, unsigned b, unsigned a, int32_t result[4]); Proc fProc; State fState; uint32_t fFlags; void initState(const SkScalar array[20]); typedef SkColorFilter INHERITED; }; #endif