cc/layers/picture_image_layer.h

   1 // Copyright 2010 The Chromium 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 CC_LAYERS_PICTURE_IMAGE_LAYER_H_
   6 #define CC_LAYERS_PICTURE_IMAGE_LAYER_H_
   7
   8 #include "cc/base/cc_export.h"
   9 #include "cc/layers/content_layer_client.h"
  10 #include "cc/layers/picture_layer.h"
  11 #include "skia/ext/refptr.h"
  12 #include "ui/gfx/geometry/size.h"
  13
  14 class SkImage;
  15
  16 namespace cc {
  17
  18 class CC_EXPORT PictureImageLayer : public PictureLayer, ContentLayerClient {
  19  public:
  20   static scoped_refptr<PictureImageLayer> Create(const LayerSettings& settings);
  21
  22   void SetImage(skia::RefPtr<const SkImage> image);
  23
  24   // Layer implementation.
  25   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  26
  27   // ContentLayerClient implementation.
  28   void PaintContents(
  29       SkCanvas* canvas,
  30       const gfx::Rect& clip,
  31       ContentLayerClient::PaintingControlSetting painting_control) override;
  32   scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
  33       const gfx::Rect& clip,
  34       ContentLayerClient::PaintingControlSetting painting_control) override;
  35   bool FillsBoundsCompletely() const override;
  36   size_t GetApproximateUnsharedMemoryUsage() const override;
  37
  38  protected:
  39   bool HasDrawableContent() const override;
  40
  41  private:
  42   explicit PictureImageLayer(const LayerSettings& settings);
  43   ~PictureImageLayer() override;
  44
  45   skia::RefPtr<const SkImage> image_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(PictureImageLayer);
  48 };
  49
  50 }  // namespace cc
  51
  52 #endif  // CC_LAYERS_PICTURE_IMAGE_LAYER_H_