/src/skia/modules/sksg/include/SkSGGroup.h
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1 | | /* |
2 | | * Copyright 2017 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 SkSGGroup_DEFINED |
9 | | #define SkSGGroup_DEFINED |
10 | | |
11 | | #include "modules/sksg/include/SkSGRenderNode.h" |
12 | | |
13 | | #include <vector> |
14 | | |
15 | | namespace sksg { |
16 | | |
17 | | /** |
18 | | * Concrete node, grouping together multiple descendants. |
19 | | */ |
20 | | class Group : public RenderNode { |
21 | | public: |
22 | 1.53k | static sk_sp<Group> Make() { |
23 | 1.53k | return sk_sp<Group>(new Group(std::vector<sk_sp<RenderNode>>())); |
24 | 1.53k | } |
25 | | |
26 | 21.9k | static sk_sp<Group> Make(std::vector<sk_sp<RenderNode>> children) { |
27 | 21.9k | return sk_sp<Group>(new Group(std::move(children))); |
28 | 21.9k | } |
29 | | |
30 | | void addChild(sk_sp<RenderNode>); |
31 | | void removeChild(const sk_sp<RenderNode>&); |
32 | | |
33 | 0 | size_t size() const { return fChildren.size(); } |
34 | 0 | bool empty() const { return fChildren.empty(); } |
35 | | void clear(); |
36 | | |
37 | | protected: |
38 | | Group(); |
39 | | explicit Group(std::vector<sk_sp<RenderNode>>); |
40 | | ~Group() override; |
41 | | |
42 | | void onRender(SkCanvas*, const RenderContext*) const override; |
43 | | const RenderNode* onNodeAt(const SkPoint&) const override; |
44 | | |
45 | | SkRect onRevalidate(InvalidationController*, const SkMatrix&) override; |
46 | | |
47 | | private: |
48 | | std::vector<sk_sp<RenderNode>> fChildren; |
49 | | bool fRequiresIsolation = true; |
50 | | |
51 | | using INHERITED = RenderNode; |
52 | | }; |
53 | | |
54 | | } // namespace sksg |
55 | | |
56 | | #endif // SkSGGroup_DEFINED |