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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 SkSGGroup_DEFINED
#define SkSGGroup_DEFINED
#include "SkSGRenderNode.h"
#include "SkTArray.h"
#include "SkTo.h"
namespace sksg {
/**
* Concrete node, grouping together multiple descendants.
*/
class Group : public RenderNode {
public:
static sk_sp<Group> Make() {
return sk_sp<Group>(new Group());
}
void addChild(sk_sp<RenderNode>);
void removeChild(const sk_sp<RenderNode>&);
size_t size() const { return SkTo<size_t>(fChildren.count()); }
bool empty() const { return fChildren.empty(); }
protected:
Group();
~Group() override;
void onRender(SkCanvas*) const override;
SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
private:
SkTArray<sk_sp<RenderNode>, true> fChildren;
typedef RenderNode INHERITED;
};
} // namespace sksg
#endif // SkSGGroup_DEFINED
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