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 SkSGEffectNode_DEFINED |
9 | #define SkSGEffectNode_DEFINED |
10 | |
11 | #include "modules/sksg/include/SkSGRenderNode.h" |
12 | |
13 | namespace sksg { |
14 | |
15 | /** |
16 | * Base class for nodes which apply some transformation when rendering |
17 | * their descendants. |
18 | * |
19 | * This includes transforms, clipping, filters, etc. |
20 | */ |
21 | class EffectNode : public RenderNode { |
22 | protected: |
23 | explicit EffectNode(sk_sp<RenderNode>, uint32_t inval_traits = 0); |
24 | ~EffectNode() override; |
25 | |
26 | void onRender(SkCanvas*, const RenderContext*) const override; |
27 | const RenderNode* onNodeAt(const SkPoint&) const override; |
28 | |
29 | SkRect onRevalidate(InvalidationController*, const SkMatrix&) override; |
30 | |
31 | const sk_sp<RenderNode>& getChild() const { return fChild; } |
32 | |
33 | private: |
34 | sk_sp<RenderNode> fChild; |
35 | |
36 | typedef RenderNode INHERITED; |
37 | }; |
38 | |
39 | } // namespace sksg |
40 | |
41 | #endif // SkSGEffectNode_DEFINED |
42 | |