1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the plugins of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
26 ** Public License version 3.0 requirements will be met:
27 ** http://www.gnu.org/copyleft/gpl.html.
30 ** Alternatively, this file may be used in accordance with the terms and
31 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
42 #ifndef QWINDOWSBACKINGSTORE_H
43 #define QWINDOWSBACKINGSTORE_H
45 #include "qtwindows_additional.h"
47 #include <qpa/qplatformbackingstore.h>
48 #include <QtCore/QScopedPointer>
53 class QWindowsNativeImage;
55 class QWindowsBackingStore : public QPlatformBackingStore
57 Q_DISABLE_COPY(QWindowsBackingStore)
59 QWindowsBackingStore(QWindow *window);
60 ~QWindowsBackingStore();
62 virtual QPaintDevice *paintDevice();
63 virtual void flush(QWindow *window, const QRegion ®ion, const QPoint &offset);
64 virtual void resize(const QSize &size, const QRegion &r);
65 virtual bool scroll(const QRegion &area, int dx, int dy);
66 virtual void beginPaint(const QRegion &);
71 QWindowsWindow *rasterWindow() const;
73 QScopedPointer<QWindowsNativeImage> m_image;
78 #endif // QWINDOWSBACKINGSTORE_H