1 /* 2 * Copyright 2023 Google LLC 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 #ifndef SkWorkingFormatColorFilter_DEFINED 8 #define SkWorkingFormatColorFilter_DEFINED 9 10 #include "include/core/SkColorFilter.h" 11 #include "include/core/SkFlattenable.h" 12 #include "include/core/SkRefCnt.h" 13 #include "include/private/SkColorData.h" 14 #include "modules/skcms/skcms.h" 15 #include "src/effects/colorfilters/SkColorFilterBase.h" 16 17 class SkColorSpace; 18 class SkReadBuffer; 19 class SkWriteBuffer; 20 enum SkAlphaType : int; 21 struct SkStageRec; 22 23 class SkWorkingFormatColorFilter final : public SkColorFilterBase { 24 public: 25 SkWorkingFormatColorFilter(sk_sp<SkColorFilter> child, 26 const skcms_TransferFunction* tf, 27 const skcms_Matrix3x3* gamut, 28 const SkAlphaType* at); 29 30 sk_sp<SkColorSpace> workingFormat(const sk_sp<SkColorSpace>& dstCS, SkAlphaType* at) const; 31 type()32 SkColorFilterBase::Type type() const override { 33 return SkColorFilterBase::Type::kWorkingFormat; 34 } 35 36 bool appendStages(const SkStageRec& rec, bool shaderIsOpaque) const override; 37 38 SkPMColor4f onFilterColor4f(const SkPMColor4f& origColor, 39 SkColorSpace* rawDstCS) const override; 40 41 bool onIsAlphaUnchanged() const override; 42 child()43 sk_sp<SkColorFilter> child() const { return fChild; } 44 45 private: 46 friend void ::SkRegisterWorkingFormatColorFilterFlattenable(); 47 SK_FLATTENABLE_HOOKS(SkWorkingFormatColorFilter) 48 49 void flatten(SkWriteBuffer& buffer) const override; 50 51 sk_sp<SkColorFilter> fChild; 52 skcms_TransferFunction fTF; 53 bool fUseDstTF = true; 54 skcms_Matrix3x3 fGamut; 55 bool fUseDstGamut = true; 56 SkAlphaType fAT; 57 bool fUseDstAT = true; 58 }; 59 60 #endif 61