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// 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_
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