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// Copyright 2011 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_BITMAP_SKPICTURE_CONTENT_LAYER_UPDATER_H_
#define CC_RESOURCES_BITMAP_SKPICTURE_CONTENT_LAYER_UPDATER_H_
#include "cc/resources/skpicture_content_layer_updater.h"
#include "third_party/skia/include/core/SkBitmap.h"
namespace cc {
// This class records the content_rect into an SkPicture, then software
// rasterizes the SkPicture into bitmaps for each tile. This implements
// LayerTreeSettingSettings::per_tile_painting_enabled.
class BitmapSkPictureContentLayerUpdater : public SkPictureContentLayerUpdater {
public:
class Resource : public ContentLayerUpdater::Resource {
public:
Resource(BitmapSkPictureContentLayerUpdater* updater,
scoped_ptr<PrioritizedResource> texture);
virtual void Update(ResourceUpdateQueue* queue,
const gfx::Rect& source_rect,
const gfx::Vector2d& dest_offset,
bool partial_update) OVERRIDE;
private:
SkBitmap bitmap_;
BitmapSkPictureContentLayerUpdater* updater_;
DISALLOW_COPY_AND_ASSIGN(Resource);
};
static scoped_refptr<BitmapSkPictureContentLayerUpdater> Create(
scoped_ptr<LayerPainter> painter,
RenderingStatsInstrumentation* stats_instrumentation,
int layer_id);
virtual scoped_ptr<LayerUpdater::Resource> CreateResource(
PrioritizedResourceManager* manager) OVERRIDE;
void PaintContentsRect(SkCanvas* canvas,
const gfx::Rect& source_rect);
private:
BitmapSkPictureContentLayerUpdater(
scoped_ptr<LayerPainter> painter,
RenderingStatsInstrumentation* stats_instrumentation,
int layer_id);
virtual ~BitmapSkPictureContentLayerUpdater();
DISALLOW_COPY_AND_ASSIGN(BitmapSkPictureContentLayerUpdater);
};
} // namespace cc
#endif // CC_RESOURCES_BITMAP_SKPICTURE_CONTENT_LAYER_UPDATER_H_
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