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// Copyright (c) 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 CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_WIN_H_
#define CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_WIN_H_
#pragma once
#include <windows.h>
#include "base/basictypes.h"
#include "content/browser/renderer_host/backing_store.h"
class BackingStoreWin : public BackingStore {
public:
BackingStoreWin(RenderWidgetHost* widget, const gfx::Size& size);
virtual ~BackingStoreWin();
HDC hdc() { return hdc_; }
// Returns true if we should convert to the monitor profile when painting.
static bool ColorManagementEnabled();
// BackingStore implementation.
virtual size_t MemorySize() OVERRIDE;
virtual void PaintToBackingStore(
RenderProcessHost* process,
TransportDIB::Id bitmap,
const gfx::Rect& bitmap_rect,
const std::vector<gfx::Rect>& copy_rects,
const base::Closure& completion_callback,
bool* scheduled_completion_callback) OVERRIDE;
virtual bool CopyFromBackingStore(const gfx::Rect& rect,
skia::PlatformCanvas* output) OVERRIDE;
virtual void ScrollBackingStore(int dx, int dy,
const gfx::Rect& clip_rect,
const gfx::Size& view_size) OVERRIDE;
private:
// The backing store dc.
HDC hdc_;
// Handle to the backing store dib.
HANDLE backing_store_dib_;
// Handle to the original bitmap in the dc.
HANDLE original_bitmap_;
// Number of bits per pixel of the screen.
int color_depth_;
DISALLOW_COPY_AND_ASSIGN(BackingStoreWin);
};
#endif // CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_WIN_H_
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