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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_PICTURE_LAYER_H_
6 #define FLUTTER_FLOW_LAYERS_PICTURE_LAYER_H_
7 
8 #include <memory>
9 
10 #include "flutter/flow/layers/layer.h"
11 #include "flutter/flow/raster_cache.h"
12 #include "flutter/flow/skia_gpu_object.h"
13 
14 namespace flutter {
15 
16 class PictureLayer : public Layer {
17  public:
18   PictureLayer(const SkPoint& offset,
19                SkiaGPUObject<SkPicture> picture,
20                bool is_complex,
21                bool will_change);
22   ~PictureLayer() override;
23 
picture()24   SkPicture* picture() const { return picture_.get().get(); }
25 
26   void Preroll(PrerollContext* frame, const SkMatrix& matrix) override;
27 
28   void Paint(PaintContext& context) const override;
29 
30  private:
31   SkPoint offset_;
32   // Even though pictures themselves are not GPU resources, they may reference
33   // images that have a reference to a GPU resource.
34   SkiaGPUObject<SkPicture> picture_;
35   bool is_complex_ = false;
36   bool will_change_ = false;
37 
38   FML_DISALLOW_COPY_AND_ASSIGN(PictureLayer);
39 };
40 
41 }  // namespace flutter
42 
43 #endif  // FLUTTER_FLOW_LAYERS_PICTURE_LAYER_H_
44