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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPLATFORMSCREENPAGEFLIPPER_H
#define QPLATFORMSCREENPAGEFLIPPER_H
//
// W A R N I N G
// -------------
//
// This file is part of the QPA API and is not meant to be used
// in applications. Usage of this API may make your code
// source and binary incompatible with future versions of Qt.
//
#include <QtCore/QObject>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QPlatformScreenBuffer {
public:
QPlatformScreenBuffer();
virtual ~QPlatformScreenBuffer();
bool isDestroyed() const;
bool isReady() const;
virtual void aboutToBeDisplayed();
virtual void displayed();
virtual void release() = 0;
virtual void *handle() const = 0;
protected:
bool m_destroyed;
bool m_ready;
};
class Q_GUI_EXPORT QPlatformScreenPageFlipper : public QObject
{
Q_OBJECT
public:
explicit QPlatformScreenPageFlipper(QObject *parent = 0);
virtual bool displayBuffer(QPlatformScreenBuffer *) = 0;
signals:
void bufferDisplayed(QPlatformScreenBuffer *);
void bufferReleased(QPlatformScreenBuffer *);
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QPLATFORMSCREENPAGEFLIPPER_H
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