Flutter Engine
clip_path_layer.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef FLUTTER_FLOW_LAYERS_CLIP_PATH_LAYER_H_
6 #define FLUTTER_FLOW_LAYERS_CLIP_PATH_LAYER_H_
7 
8 #include "flutter/flow/layers/container_layer.h"
9 
10 namespace flutter {
11 
12 class ClipPathLayer : public ContainerLayer {
13  public:
14  ClipPathLayer(const SkPath& clip_path, Clip clip_behavior = Clip::antiAlias);
15 
16  void Preroll(PrerollContext* context, const SkMatrix& matrix) override;
17 
18  void Paint(PaintContext& context) const override;
19 
20  bool UsesSaveLayer() const {
21  return clip_behavior_ == Clip::antiAliasWithSaveLayer;
22  }
23 
24 #if defined(LEGACY_FUCHSIA_EMBEDDER)
25  void UpdateScene(SceneUpdateContext& context) override;
26 #endif
27 
28  private:
29  SkPath clip_path_;
30  Clip clip_behavior_;
31  bool children_inside_clip_ = false;
32 
33  FML_DISALLOW_COPY_AND_ASSIGN(ClipPathLayer);
34 };
35 
36 } // namespace flutter
37 
38 #endif // FLUTTER_FLOW_LAYERS_CLIP_PATH_LAYER_H_
void Paint(PaintContext &context) const override
void Preroll(PrerollContext *context, const SkMatrix &matrix) override
ClipPathLayer(const SkPath &clip_path, Clip clip_behavior=Clip::antiAlias)
bool UsesSaveLayer() const
Clip
Definition: layer.h:41