| /* |
| * 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: |
| explicit SkColorMatrixFilter(const SkColorMatrix&); |
| SkColorMatrixFilter(const SkScalar array[20]); |
| |
| // overrides from SkColorFilter |
| virtual void filterSpan(const SkPMColor src[], int count, SkPMColor[]) const SK_OVERRIDE; |
| virtual void filterSpan16(const uint16_t src[], int count, uint16_t[]) const SK_OVERRIDE; |
| virtual uint32_t getFlags() const SK_OVERRIDE; |
| virtual bool asColorMatrix(SkScalar matrix[20]) const SK_OVERRIDE; |
| #if SK_SUPPORT_GPU |
| virtual GrEffectRef* asNewEffect(GrContext*) const SK_OVERRIDE; |
| #endif |
| |
| struct State { |
| int32_t fArray[20]; |
| int fShift; |
| }; |
| |
| SkDEVCODE(virtual void toString(SkString* str) const SK_OVERRIDE;) |
| |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkColorMatrixFilter) |
| |
| protected: |
| SkColorMatrixFilter(SkFlattenableReadBuffer& buffer); |
| virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; |
| |
| private: |
| SkColorMatrix fMatrix; |
| |
| 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 |