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 SkSGClipEffect_DEFINED |
9 | #define SkSGClipEffect_DEFINED |
10 | |
11 | #include "modules/sksg/include/SkSGEffectNode.h" |
12 | |
13 | namespace sksg { |
14 | |
15 | class GeometryNode; |
16 | |
17 | /** |
18 | * Concrete Effect node, applying a clip to its descendants. |
19 | * |
20 | */ |
21 | class ClipEffect final : public EffectNode { |
22 | public: |
23 | static sk_sp<ClipEffect> Make(sk_sp<RenderNode> child, sk_sp<GeometryNode> clip, |
24 | bool aa = false) { |
25 | return (child && clip) |
26 | ? sk_sp<ClipEffect>(new ClipEffect(std::move(child), std::move(clip), aa)) |
27 | : nullptr; |
28 | } |
29 | |
30 | ~ClipEffect() override; |
31 | |
32 | protected: |
33 | ClipEffect(sk_sp<RenderNode>, sk_sp<GeometryNode>, bool aa); |
34 | |
35 | void onRender(SkCanvas*, const RenderContext*) const override; |
36 | const RenderNode* onNodeAt(const SkPoint&) const override; |
37 | |
38 | SkRect onRevalidate(InvalidationController*, const SkMatrix&) override; |
39 | |
40 | private: |
41 | const sk_sp<GeometryNode> fClipNode; |
42 | const bool fAntiAlias; |
43 | |
44 | bool fNoop = false; |
45 | |
46 | typedef EffectNode INHERITED; |
47 | }; |
48 | |
49 | } // namespace sksg |
50 | |
51 | #endif // SkSGClipEffect_DEFINED |
52 |