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_PHYSICAL_SHAPE_LAYER_H_ |
6 | #define FLUTTER_FLOW_LAYERS_PHYSICAL_SHAPE_LAYER_H_ |
7 | |
8 | #include "flutter/flow/layers/container_layer.h" |
9 | |
10 | namespace flutter { |
11 | |
12 | class PhysicalShapeLayer : public ContainerLayer { |
13 | public: |
14 | PhysicalShapeLayer(SkColor color, |
15 | SkColor shadow_color, |
16 | float elevation, |
17 | const SkPath& path, |
18 | Clip clip_behavior); |
19 | |
20 | static SkRect ComputeShadowBounds(const SkRect& bounds, |
21 | float elevation, |
22 | float pixel_ratio); |
23 | static void DrawShadow(SkCanvas* canvas, |
24 | const SkPath& path, |
25 | SkColor color, |
26 | float elevation, |
27 | bool transparentOccluder, |
28 | SkScalar dpr); |
29 | |
30 | void Preroll(PrerollContext* context, const SkMatrix& matrix) override; |
31 | |
32 | void Paint(PaintContext& context) const override; |
33 | |
34 | bool UsesSaveLayer() const { |
35 | return clip_behavior_ == Clip::antiAliasWithSaveLayer; |
36 | } |
37 | |
38 | float elevation() const { return elevation_; } |
39 | |
40 | private: |
41 | SkColor color_; |
42 | SkColor shadow_color_; |
43 | float elevation_ = 0.0f; |
44 | SkPath path_; |
45 | Clip clip_behavior_; |
46 | }; |
47 | |
48 | } // namespace flutter |
49 | |
50 | #endif // FLUTTER_FLOW_LAYERS_PHYSICAL_SHAPE_LAYER_H_ |
51 | |