xref: /aosp_15_r20/external/skia/modules/sksg/include/SkSGScene.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2018 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #ifndef SkSGScene_DEFINED
9*c8dee2aaSAndroid Build Coastguard Worker #define SkSGScene_DEFINED
10*c8dee2aaSAndroid Build Coastguard Worker 
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkTypes.h"
13*c8dee2aaSAndroid Build Coastguard Worker 
14*c8dee2aaSAndroid Build Coastguard Worker #include <memory>
15*c8dee2aaSAndroid Build Coastguard Worker 
16*c8dee2aaSAndroid Build Coastguard Worker class SkCanvas;
17*c8dee2aaSAndroid Build Coastguard Worker struct SkPoint;
18*c8dee2aaSAndroid Build Coastguard Worker 
19*c8dee2aaSAndroid Build Coastguard Worker namespace sksg {
20*c8dee2aaSAndroid Build Coastguard Worker 
21*c8dee2aaSAndroid Build Coastguard Worker class InvalidationController;
22*c8dee2aaSAndroid Build Coastguard Worker class RenderNode;
23*c8dee2aaSAndroid Build Coastguard Worker 
24*c8dee2aaSAndroid Build Coastguard Worker /**
25*c8dee2aaSAndroid Build Coastguard Worker  * Holds a scene root.  Provides high-level methods for rendering.
26*c8dee2aaSAndroid Build Coastguard Worker  *
27*c8dee2aaSAndroid Build Coastguard Worker  */
28*c8dee2aaSAndroid Build Coastguard Worker class Scene final {
29*c8dee2aaSAndroid Build Coastguard Worker public:
30*c8dee2aaSAndroid Build Coastguard Worker     static std::unique_ptr<Scene> Make(sk_sp<RenderNode> root);
31*c8dee2aaSAndroid Build Coastguard Worker     ~Scene();
32*c8dee2aaSAndroid Build Coastguard Worker     Scene(const Scene&) = delete;
33*c8dee2aaSAndroid Build Coastguard Worker     Scene& operator=(const Scene&) = delete;
34*c8dee2aaSAndroid Build Coastguard Worker 
35*c8dee2aaSAndroid Build Coastguard Worker     void render(SkCanvas*) const;
36*c8dee2aaSAndroid Build Coastguard Worker     void revalidate(InvalidationController* = nullptr);
37*c8dee2aaSAndroid Build Coastguard Worker     const RenderNode* nodeAt(const SkPoint&) const;
38*c8dee2aaSAndroid Build Coastguard Worker 
39*c8dee2aaSAndroid Build Coastguard Worker private:
40*c8dee2aaSAndroid Build Coastguard Worker     explicit Scene(sk_sp<RenderNode> root);
41*c8dee2aaSAndroid Build Coastguard Worker 
42*c8dee2aaSAndroid Build Coastguard Worker     const sk_sp<RenderNode> fRoot;
43*c8dee2aaSAndroid Build Coastguard Worker };
44*c8dee2aaSAndroid Build Coastguard Worker 
45*c8dee2aaSAndroid Build Coastguard Worker } // namespace sksg
46*c8dee2aaSAndroid Build Coastguard Worker 
47*c8dee2aaSAndroid Build Coastguard Worker #endif // SkSGScene_DEFINED
48