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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the tools applications 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 qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QVFB_SHM_PROTOCOL_H
#define QVFB_SHM_PROTOCOL_H
#include "qvfbprotocol.h"
QT_BEGIN_NAMESPACE
class QVFbHeader;
class QTimer;
class QShMemViewProtocol : public QVFbViewProtocol
{
Q_OBJECT
public:
QShMemViewProtocol(int display_id, const QSize &size, int depth, QObject *parent = 0);
~QShMemViewProtocol();
int width() const;
int height() const;
int depth() const;
int linestep() const;
int numcols() const;
QVector<QRgb> clut() const;
unsigned char *data() const;
int brightness() const;
void setRate(int);
int rate() const;
protected slots:
void flushChanges();
protected:
QVFbKeyProtocol *keyHandler() const { return kh; }
QVFbMouseProtocol *mouseHandler() const { return mh; }
private:
QVFbKeyPipeProtocol *kh;
QVFbMousePipe *mh;
QVFbHeader *hdr;
size_t displaySize;
unsigned char *dataCache;
int lockId;
int shmId;
QTimer *mRefreshTimer;
WId windowId;
};
QT_END_NAMESPACE
#endif
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