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Diffstat (limited to 'experimental/sksg/geometry/SkSGRoundEffect.h')
-rw-r--r-- | experimental/sksg/geometry/SkSGRoundEffect.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/experimental/sksg/geometry/SkSGRoundEffect.h b/experimental/sksg/geometry/SkSGRoundEffect.h new file mode 100644 index 0000000000..67124ca072 --- /dev/null +++ b/experimental/sksg/geometry/SkSGRoundEffect.h @@ -0,0 +1,50 @@ +/* + * 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 |