| 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 SkSGScene_DEFINED | 
| 9 | #define SkSGScene_DEFINED | 
| 10 | |
| 11 | #include "include/core/SkRefCnt.h" | 
| 12 | #include "include/core/SkTypes.h" | 
| 13 | |
| 14 | #include <memory> | 
| 15 | #include <vector> | 
| 16 | |
| 17 | class SkCanvas; | 
| 18 | struct SkPoint; | 
| 19 | |
| 20 | namespace sksg { | 
| 21 | |
| 22 | class InvalidationController; | 
| 23 | class RenderNode; | 
| 24 | |
| 25 | /** | 
| 26 | * Holds a scene root. Provides high-level methods for rendering. | 
| 27 | * | 
| 28 | */ | 
| 29 | class Scene final { | 
| 30 | public: | 
| 31 | static std::unique_ptr<Scene> Make(sk_sp<RenderNode> root); | 
| 32 | ~Scene(); | 
| 33 | Scene(const Scene&) = delete; | 
| 34 | Scene& operator=(const Scene&) = delete; | 
| 35 | |
| 36 | void render(SkCanvas*) const; | 
| 37 | void revalidate(InvalidationController* = nullptr); | 
| 38 | const RenderNode* nodeAt(const SkPoint&) const; | 
| 39 | |
| 40 | private: | 
| 41 | explicit Scene(sk_sp<RenderNode> root); | 
| 42 | |
| 43 | const sk_sp<RenderNode> fRoot; | 
| 44 | }; | 
| 45 | |
| 46 | } // namespace sksg | 
| 47 | |
| 48 | #endif // SkSGScene_DEFINED | 
| 49 | 
