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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDIRECTPAINTER_QWS_H
#define QDIRECTPAINTER_QWS_H
#include <QtCore/qobject.h>
#include <QtGui/qregion.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#ifndef QT_NO_DIRECTPAINTER
class QDirectPainterPrivate;
class QWSEmbedEvent;
class Q_GUI_EXPORT QDirectPainter : public QObject {
Q_OBJECT
Q_DECLARE_SCOPED_PRIVATE(QDirectPainter)
public:
enum SurfaceFlag { NonReserved = 0,
Reserved = 1,
ReservedSynchronous = 3 };
explicit QDirectPainter(QObject *parentObject = 0, SurfaceFlag flag = NonReserved);
~QDirectPainter();
void setRegion(const QRegion&);
QRegion requestedRegion() const;
QRegion allocatedRegion() const;
void setGeometry(const QRect&);
QRect geometry() const;
WId winId() const;
virtual void regionChanged(const QRegion &exposedRegion);
void startPainting(bool lockDisplay = true);
void endPainting();
void endPainting(const QRegion ®ion);
void flush(const QRegion ®ion);
void raise();
void lower();
static QRegion reserveRegion(const QRegion&);
static QRegion reservedRegion();
static QRegion region() { return reservedRegion(); }
static uchar* frameBuffer();
static int screenDepth();
static int screenWidth();
static int screenHeight();
static int linestep();
static void lock();
static void unlock();
private:
friend void qt_directpainter_region(QDirectPainter *dp, const QRegion &alloc, int type);
friend void qt_directpainter_embedevent(QDirectPainter*, const QWSEmbedEvent*);
};
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif // QDIRECTPAINTER_QWS_H
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