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authoraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
committeraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
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treea17e1a767a89542ab59907462206d7dcf2e504b2 /src/gui/embedded/qscreenlinuxfb_qws.h
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Long live Qt for S60!
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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 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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSCREENLINUXFB_QWS_H
+#define QSCREENLINUXFB_QWS_H
+
+#include <QtGui/qscreen_qws.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_QWS_LINUXFB
+
+class QLinuxFb_Shared
+{
+public:
+ volatile int lastop;
+ volatile int optype;
+ volatile int fifocount; // Accel drivers only
+ volatile int fifomax;
+ volatile int forecol; // Foreground colour caching
+ volatile unsigned int buffer_offset; // Destination
+ volatile int linestep;
+ volatile int cliptop; // Clip rectangle
+ volatile int clipleft;
+ volatile int clipright;
+ volatile int clipbottom;
+ volatile unsigned int rop;
+
+};
+
+struct fb_cmap;
+struct fb_var_screeninfo;
+struct fb_fix_screeninfo;
+class QLinuxFbScreenPrivate;
+
+class Q_GUI_EXPORT QLinuxFbScreen : public QScreen
+{
+public:
+ explicit QLinuxFbScreen(int display_id);
+ virtual ~QLinuxFbScreen();
+
+ virtual bool initDevice();
+ virtual bool connect(const QString &displaySpec);
+
+ virtual bool useOffscreen();
+
+ virtual void disconnect();
+ virtual void shutdownDevice();
+ virtual void setMode(int,int,int);
+ virtual void save();
+ virtual void restore();
+ virtual void blank(bool on);
+ virtual void set(unsigned int,unsigned int,unsigned int,unsigned int);
+ virtual uchar * cache(int);
+ virtual void uncache(uchar *);
+ virtual int sharedRamSize(void *);
+
+ QLinuxFb_Shared * shared;
+
+protected:
+
+ void deleteEntry(uchar *);
+
+ bool canaccel;
+ int dataoffset;
+ int cacheStart;
+
+ static void clearCache(QScreen *instance, int);
+
+private:
+
+ void delete_entry(int);
+ void insert_entry(int,int,int);
+ void setupOffScreen();
+ void createPalette(fb_cmap &cmap, fb_var_screeninfo &vinfo, fb_fix_screeninfo &finfo);
+ void setPixelFormat(struct fb_var_screeninfo);
+
+ QLinuxFbScreenPrivate *d_ptr;
+};
+
+#endif // QT_NO_QWS_LINUXFB
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSCREENLINUXFB_QWS_H