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 SkSVGFeDisplacementMap_DEFINED 9 #define SkSVGFeDisplacementMap_DEFINED 10 11 #include "include/core/SkColor.h" 12 #include "include/core/SkRefCnt.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 SkSVGFeDisplacementMap : public SkSVGFe { 25 public: 26 using ChannelSelector = SkColorChannel; 27 Make()28 static sk_sp<SkSVGFeDisplacementMap> Make() { 29 return sk_sp<SkSVGFeDisplacementMap>(new SkSVGFeDisplacementMap()); 30 } 31 32 SkSVGColorspace resolveColorspace(const SkSVGRenderContext&, 33 const SkSVGFilterContext&) const final; 34 35 SVG_ATTR(In2 , SkSVGFeInputType, SkSVGFeInputType()) 36 SVG_ATTR(XChannelSelector, ChannelSelector , ChannelSelector::kA) 37 SVG_ATTR(YChannelSelector, ChannelSelector , ChannelSelector::kA) 38 SVG_ATTR(Scale , SkSVGNumberType , SkSVGNumberType(0)) 39 40 protected: 41 sk_sp<SkImageFilter> onMakeImageFilter(const SkSVGRenderContext&, 42 const SkSVGFilterContext&) const override; 43 getInputs()44 std::vector<SkSVGFeInputType> getInputs() const override { 45 return {this->getIn(), this->getIn2()}; 46 } 47 48 bool parseAndSetAttribute(const char*, const char*) override; 49 50 private: SkSVGFeDisplacementMap()51 SkSVGFeDisplacementMap() : INHERITED(SkSVGTag::kFeDisplacementMap) {} 52 53 using INHERITED = SkSVGFe; 54 }; 55 56 #endif // SkSVGFeDisplacementMap_DEFINED 57