You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

51 lines
1.1 KiB

/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkSGRoundEffect_DEFINED
#define SkSGRoundEffect_DEFINED
#include "SkSGGeometryNode.h"
#include "SkPath.h"
namespace sksg {
/**
* Concrete Geometry node, applying a rounded-corner effect to its child.
*/
class RoundEffect final : public GeometryNode {
public:
static sk_sp<RoundEffect> Make(sk_sp<GeometryNode> child) {
return child ? sk_sp<RoundEffect>(new RoundEffect(std::move(child))) : nullptr;
}
~RoundEffect() override;
SG_ATTRIBUTE(Radius, SkScalar, fRadius)
protected:
void onClip(SkCanvas*, bool antiAlias) const override;
void onDraw(SkCanvas*, const SkPaint&) const override;
SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
SkPath onAsPath() const override;
private:
explicit RoundEffect(sk_sp<GeometryNode>);
const sk_sp<GeometryNode> fChild;
SkPath fRoundedPath;
SkScalar fRadius = 0;
using INHERITED = GeometryNode;
};
} // namespace sksg
#endif // SkSGRoundEffect_DEFINED