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