1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSCREENLINUXFB_QWS_H
#define QSCREENLINUXFB_QWS_H
#include <QtGui/qscreen_qws.h>
struct fb_cmap;
struct fb_var_screeninfo;
struct fb_fix_screeninfo;
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;
};
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
|
