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132 lines
3.8 KiB
132 lines
3.8 KiB
14 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QSCREENLINUXFB_QWS_H
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#define QSCREENLINUXFB_QWS_H
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#include <QtGui/qscreen_qws.h>
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struct fb_cmap;
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struct fb_var_screeninfo;
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struct fb_fix_screeninfo;
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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#ifndef QT_NO_QWS_LINUXFB
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class QLinuxFb_Shared
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{
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public:
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volatile int lastop;
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volatile int optype;
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volatile int fifocount; // Accel drivers only
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volatile int fifomax;
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volatile int forecol; // Foreground colour caching
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volatile unsigned int buffer_offset; // Destination
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volatile int linestep;
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volatile int cliptop; // Clip rectangle
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volatile int clipleft;
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volatile int clipright;
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volatile int clipbottom;
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volatile unsigned int rop;
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};
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class QLinuxFbScreenPrivate;
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class Q_GUI_EXPORT QLinuxFbScreen : public QScreen
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{
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public:
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explicit QLinuxFbScreen(int display_id);
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virtual ~QLinuxFbScreen();
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virtual bool initDevice();
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virtual bool connect(const QString &displaySpec);
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virtual bool useOffscreen();
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virtual void disconnect();
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virtual void shutdownDevice();
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virtual void setMode(int,int,int);
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virtual void save();
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virtual void restore();
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virtual void blank(bool on);
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virtual void set(unsigned int,unsigned int,unsigned int,unsigned int);
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virtual uchar * cache(int);
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virtual void uncache(uchar *);
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virtual int sharedRamSize(void *);
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QLinuxFb_Shared * shared;
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protected:
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void deleteEntry(uchar *);
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bool canaccel;
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int dataoffset;
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int cacheStart;
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static void clearCache(QScreen *instance, int);
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private:
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void delete_entry(int);
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void insert_entry(int,int,int);
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void setupOffScreen();
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void createPalette(fb_cmap &cmap, fb_var_screeninfo &vinfo, fb_fix_screeninfo &finfo);
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void setPixelFormat(struct fb_var_screeninfo);
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QLinuxFbScreenPrivate *d_ptr;
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};
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#endif // QT_NO_QWS_LINUXFB
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QSCREENLINUXFB_QWS_H
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