skia2/modules/svg/include/SkSVGFeDisplacementMap.h
Tyler Denniston f005c8a30b [svg] Implement feDisplacementMap
https://www.w3.org/TR/SVG11/filters.html#feDisplacementMapElement

Bug: skia:10841
Change-Id: Icf1a560b2d83e7954207fb1740e77193362b9fd4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/356312
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Tyler Denniston <tdenniston@google.com>
2021-01-25 21:12:01 +00:00

47 lines
1.4 KiB
C++

/*
* Copyright 2020 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkSVGFeDisplacementMap_DEFINED
#define SkSVGFeDisplacementMap_DEFINED
#include "modules/svg/include/SkSVGFe.h"
#include "modules/svg/include/SkSVGTypes.h"
class SkSVGFeDisplacementMap : public SkSVGFe {
public:
using ChannelSelector = SkColorChannel;
static sk_sp<SkSVGFeDisplacementMap> Make() {
return sk_sp<SkSVGFeDisplacementMap>(new SkSVGFeDisplacementMap());
}
SkSVGColorspace resolveColorspace(const SkSVGRenderContext&,
const SkSVGFilterContext&) const final;
SVG_ATTR(In2 , SkSVGFeInputType, SkSVGFeInputType())
SVG_ATTR(XChannelSelector, ChannelSelector , ChannelSelector::kA)
SVG_ATTR(YChannelSelector, ChannelSelector , ChannelSelector::kA)
SVG_ATTR(Scale , SkSVGNumberType , SkSVGNumberType(0))
protected:
sk_sp<SkImageFilter> onMakeImageFilter(const SkSVGRenderContext&,
const SkSVGFilterContext&) const override;
std::vector<SkSVGFeInputType> getInputs() const override {
return {this->getIn(), this->getIn2()};
}
bool parseAndSetAttribute(const char*, const char*) override;
private:
SkSVGFeDisplacementMap() : INHERITED(SkSVGTag::kFeDisplacementMap) {}
using INHERITED = SkSVGFe;
};
#endif // SkSVGFeDisplacementMap_DEFINED