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_IMAGE_FILTER_LAYER_H_ |
6 | #define FLUTTER_FLOW_LAYERS_IMAGE_FILTER_LAYER_H_ |
7 | |
8 | #include <memory> |
9 | #include "flutter/flow/layers/cacheable_layer.h" |
10 | |
11 | namespace flutter { |
12 | |
13 | class ImageFilterLayer : public CacheableContainerLayer { |
14 | public: |
15 | explicit ImageFilterLayer(std::shared_ptr<const DlImageFilter> filter, |
16 | const SkPoint& offset = SkPoint::Make(x: 0, y: 0)); |
17 | |
18 | void Diff(DiffContext* context, const Layer* old_layer) override; |
19 | |
20 | void Preroll(PrerollContext* context) override; |
21 | |
22 | void Paint(PaintContext& context) const override; |
23 | |
24 | private: |
25 | SkPoint offset_; |
26 | std::shared_ptr<const DlImageFilter> filter_; |
27 | std::shared_ptr<const DlImageFilter> transformed_filter_; |
28 | |
29 | FML_DISALLOW_COPY_AND_ASSIGN(ImageFilterLayer); |
30 | }; |
31 | |
32 | } // namespace flutter |
33 | |
34 | #endif // FLUTTER_FLOW_LAYERS_IMAGE_FILTER_LAYER_H_ |
35 |