| /* |
| * 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 SkColorFilter* Create(const SkColorMatrix& cm) { |
| return new SkColorMatrixFilter(cm); |
| } |
| static SkColorFilter* Create(const SkScalar array[20]) { |
| return new 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 |
| const GrFragmentProcessor* asFragmentProcessor(GrContext*) 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 |