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// Copyright 2012 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_RESOURCES_IMAGE_LAYER_UPDATER_H_
#define CC_RESOURCES_IMAGE_LAYER_UPDATER_H_
#include "cc/base/cc_export.h"
#include "cc/resources/layer_updater.h"
#include "third_party/skia/include/core/SkBitmap.h"
namespace cc {
class ResourceUpdateQueue;
class CC_EXPORT ImageLayerUpdater : public LayerUpdater {
public:
class Resource : public LayerUpdater::Resource {
public:
Resource(ImageLayerUpdater* updater,
scoped_ptr<PrioritizedResource> texture);
virtual ~Resource();
virtual void Update(ResourceUpdateQueue* queue,
gfx::Rect source_rect,
gfx::Vector2d dest_offset,
bool partial_update) OVERRIDE;
private:
ImageLayerUpdater* updater_;
DISALLOW_COPY_AND_ASSIGN(Resource);
};
static scoped_refptr<ImageLayerUpdater> Create();
virtual scoped_ptr<LayerUpdater::Resource> CreateResource(
PrioritizedResourceManager*) OVERRIDE;
void UpdateTexture(ResourceUpdateQueue* queue,
PrioritizedResource* texture,
gfx::Rect source_rect,
gfx::Vector2d dest_offset,
bool partial_update);
void SetBitmap(const SkBitmap& bitmap);
bool UsingBitmap(const SkBitmap& bitmap) const;
private:
ImageLayerUpdater() {}
virtual ~ImageLayerUpdater() {}
SkBitmap bitmap_;
DISALLOW_COPY_AND_ASSIGN(ImageLayerUpdater);
};
} // namespace cc
#endif // CC_RESOURCES_IMAGE_LAYER_UPDATER_H_
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