Flutter Engine
clip_rect_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_RECT_LAYER_H_
6 #define FLUTTER_FLOW_LAYERS_CLIP_RECT_LAYER_H_
7 
8 #include "flutter/flow/layers/container_layer.h"
9 
10 namespace flutter {
11 
12 class ClipRectLayer : public ContainerLayer {
13  public:
14  ClipRectLayer(const SkRect& clip_rect, Clip clip_behavior);
15 
16 #ifdef FLUTTER_ENABLE_DIFF_CONTEXT
17 
18  void Diff(DiffContext* context, const Layer* old_layer) override;
19 
20 #endif // FLUTTER_ENABLE_DIFF_CONTEXT
21 
22  void Preroll(PrerollContext* context, const SkMatrix& matrix) override;
23  void Paint(PaintContext& context) const override;
24 
25  bool UsesSaveLayer() const {
26  return clip_behavior_ == Clip::antiAliasWithSaveLayer;
27  }
28 
29  private:
30  SkRect clip_rect_;
31  Clip clip_behavior_;
32 
33  FML_DISALLOW_COPY_AND_ASSIGN(ClipRectLayer);
34 };
35 
36 } // namespace flutter
37 
38 #endif // FLUTTER_FLOW_LAYERS_CLIP_RECT_LAYER_H_
void Paint(PaintContext &context) const override
ClipRectLayer(const SkRect &clip_rect, Clip clip_behavior)
void Preroll(PrerollContext *context, const SkMatrix &matrix) override
Clip
Definition: layer.h:40
bool UsesSaveLayer() const