1 /* 2 * Copyright 2020 Google Inc. 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 8 #ifndef SkSVGFeColorMatrix_DEFINED 9 #define SkSVGFeColorMatrix_DEFINED 10 11 #include "include/core/SkRefCnt.h" 12 #include "include/effects/SkColorMatrix.h" 13 #include "include/private/base/SkAPI.h" 14 #include "modules/svg/include/SkSVGFe.h" 15 #include "modules/svg/include/SkSVGNode.h" 16 #include "modules/svg/include/SkSVGTypes.h" 17 18 #include <vector> 19 20 class SkImageFilter; 21 class SkSVGFilterContext; 22 class SkSVGRenderContext; 23 24 class SK_API SkSVGFeColorMatrix final : public SkSVGFe { 25 public: Make()26 static sk_sp<SkSVGFeColorMatrix> Make() { 27 return sk_sp<SkSVGFeColorMatrix>(new SkSVGFeColorMatrix()); 28 } 29 30 SVG_ATTR(Type, SkSVGFeColorMatrixType, SkSVGFeColorMatrixType(SkSVGFeColorMatrixType::kMatrix)) 31 SVG_ATTR(Values, SkSVGFeColorMatrixValues, SkSVGFeColorMatrixValues()) 32 33 protected: 34 sk_sp<SkImageFilter> onMakeImageFilter(const SkSVGRenderContext&, 35 const SkSVGFilterContext&) const override; 36 getInputs()37 std::vector<SkSVGFeInputType> getInputs() const override { return {this->getIn()}; } 38 39 bool parseAndSetAttribute(const char*, const char*) override; 40 41 private: SkSVGFeColorMatrix()42 SkSVGFeColorMatrix() : INHERITED(SkSVGTag::kFeColorMatrix) {} 43 44 SkColorMatrix makeMatrixForType() const; 45 46 static SkColorMatrix MakeSaturate(SkSVGNumberType s); 47 48 static SkColorMatrix MakeHueRotate(SkSVGNumberType degrees); 49 50 static SkColorMatrix MakeLuminanceToAlpha(); 51 52 using INHERITED = SkSVGFe; 53 }; 54 55 #endif // SkSVGFeColorMatrix_DEFINED 56