| // Copyright 2010 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_LAYERS_IMAGE_LAYER_H_ |
| #define CC_LAYERS_IMAGE_LAYER_H_ |
| |
| #include "cc/base/cc_export.h" |
| #include "cc/layers/content_layer.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| |
| namespace cc { |
| |
| class ImageLayerUpdater; |
| |
| // A Layer that contains only an Image element. |
| class CC_EXPORT ImageLayer : public TiledLayer { |
| public: |
| static scoped_refptr<ImageLayer> Create(); |
| |
| // Layer implementation. |
| void SetTexturePriorities(const PriorityCalculator& priority_calc) override; |
| bool Update(ResourceUpdateQueue* queue, |
| const OcclusionTracker<Layer>* occlusion) override; |
| void CalculateContentsScale(float ideal_contents_scale, |
| float* contents_scale_x, |
| float* contents_scale_y, |
| gfx::Size* content_bounds) override; |
| void OnOutputSurfaceCreated() override; |
| |
| void SetBitmap(const SkBitmap& image); |
| |
| protected: |
| bool HasDrawableContent() const override; |
| |
| private: |
| ImageLayer(); |
| ~ImageLayer() override; |
| |
| // TiledLayer Implementation. |
| LayerUpdater* Updater() const override; |
| void CreateUpdaterIfNeeded() override; |
| |
| float ImageContentsScaleX() const; |
| float ImageContentsScaleY() const; |
| |
| SkBitmap bitmap_; |
| |
| scoped_refptr<ImageLayerUpdater> updater_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ImageLayer); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_LAYERS_IMAGE_LAYER_H_ |