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69 lines
1.3 KiB
69 lines
1.3 KiB
4 months ago
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/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkSGMerge_DEFINED
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#define SkSGMerge_DEFINED
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#include "SkSGGeometryNode.h"
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#include "SkPath.h"
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#include <vector>
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class SkCanvas;
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class SkPaint;
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namespace sksg {
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/**
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* Concrete Geometry node, combining other geometries based on Mode.
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*/
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class Merge final : public GeometryNode {
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public:
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enum class Mode {
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// Append path mode.
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kMerge,
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// SkPathOp ops.
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kUnion,
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kIntersect,
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kDifference,
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kReverseDifference,
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kXOR,
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};
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struct Rec {
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sk_sp<GeometryNode> fGeo;
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Mode fMode;
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};
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static sk_sp<Merge> Make(std::vector<Rec>&& recs) {
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return sk_sp<Merge>(new Merge(std::move(recs)));
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}
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~Merge() override;
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protected:
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void onClip(SkCanvas*, bool antiAlias) const override;
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void onDraw(SkCanvas*, const SkPaint&) const override;
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SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
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SkPath onAsPath() const override;
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private:
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Merge(std::vector<Rec>&& recs);
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const std::vector<Rec> fRecs;
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SkPath fMerged;
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using INHERITED = GeometryNode;
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};
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} // namespace sksg
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#endif // SkSGMerge_DEFINED
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