| 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 SkSGGeometryTransform_DEFINED |
| 9 | #define SkSGGeometryTransform_DEFINED |
| 10 | |
| 11 | #include "modules/sksg/include/SkSGGeometryNode.h" |
| 12 | |
| 13 | #include "include/core/SkPath.h" |
| 14 | |
| 15 | class SkMatrix; |
| 16 | |
| 17 | namespace sksg { |
| 18 | |
| 19 | class Transform; |
| 20 | |
| 21 | /** |
| 22 | * Concrete Effect node, binding a Matrix to a GeometryNode. |
| 23 | */ |
| 24 | class GeometryTransform final : public GeometryNode { |
| 25 | public: |
| 26 | static sk_sp<GeometryTransform> Make(sk_sp<GeometryNode> child, sk_sp<Transform> transform) { |
| 27 | return child && transform |
| 28 | ? sk_sp<GeometryTransform>(new GeometryTransform(std::move(child), |
| 29 | std::move(transform))) |
| 30 | : nullptr; |
| 31 | } |
| 32 | |
| 33 | ~GeometryTransform() override; |
| 34 | |
| 35 | const sk_sp<Transform>& getTransform() const { return fTransform; } |
| 36 | |
| 37 | protected: |
| 38 | void onClip(SkCanvas*, bool antiAlias) const override; |
| 39 | void onDraw(SkCanvas*, const SkPaint&) const override; |
| 40 | bool onContains(const SkPoint&) const override; |
| 41 | |
| 42 | SkRect onRevalidate(InvalidationController*, const SkMatrix&) override; |
| 43 | SkPath onAsPath() const override; |
| 44 | |
| 45 | private: |
| 46 | GeometryTransform(sk_sp<GeometryNode>, sk_sp<Transform>); |
| 47 | |
| 48 | const sk_sp<GeometryNode> fChild; |
| 49 | const sk_sp<Transform> fTransform; |
| 50 | SkPath fTransformedPath; |
| 51 | |
| 52 | using INHERITED = GeometryNode; |
| 53 | }; |
| 54 | |
| 55 | } |
| 56 | |
| 57 | #endif // SkSGGeometryTransform_DEFINED |
| 58 |