1 /* 2 * Copyright 2018 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkSGRoundEffect_DEFINED 9 #define SkSGRoundEffect_DEFINED 10 11 #include "SkSGGeometryNode.h" 12 13 #include "SkPath.h" 14 15 namespace sksg { 16 17 /** 18 * Concrete Geometry node, applying a rounded-corner effect to its child. 19 */ 20 class RoundEffect final : public GeometryNode { 21 public: Make(sk_sp<GeometryNode> child)22 static sk_sp<RoundEffect> Make(sk_sp<GeometryNode> child) { 23 return child ? sk_sp<RoundEffect>(new RoundEffect(std::move(child))) : nullptr; 24 } 25 26 ~RoundEffect() override; 27 28 SG_ATTRIBUTE(Radius, SkScalar, fRadius) 29 30 protected: 31 void onClip(SkCanvas*, bool antiAlias) const override; 32 void onDraw(SkCanvas*, const SkPaint&) const override; 33 bool onContains(const SkPoint&) const override; 34 35 SkRect onRevalidate(InvalidationController*, const SkMatrix&) override; 36 SkPath onAsPath() const override; 37 38 private: 39 explicit RoundEffect(sk_sp<GeometryNode>); 40 41 const sk_sp<GeometryNode> fChild; 42 43 SkPath fRoundedPath; 44 SkScalar fRadius = 0; 45 46 using INHERITED = GeometryNode; 47 }; 48 49 } // namespace sksg 50 51 #endif // SkSGRoundEffect_DEFINED 52