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
132
133
134
135
136
137
138
139
140
141
142
|
/****************************************************************************
** $Id$
**
** Definition of some shared interal classes
**
** Created : 010427
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.TQPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid TQt Enterprise Edition or TQt Professional Edition
** licenses may use this file in accordance with the TQt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about TQt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for TQPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
** SPDX-License-Identifier: GPL-2.0 OR QPL-1.0
**
**********************************************************************/
#ifndef SECTQINTERNAL_P_H
#define SECTQINTERNAL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the TQt API. It exists for the convenience
// of a number of TQt sources files. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
//
#ifndef QT_H
#include "ntqnamespace.h"
#include "ntqrect.h"
#include "ntqptrlist.h"
#include "ntqcstring.h"
#include "ntqiodevice.h"
#endif // QT_H
class TQWidget;
class TQPainter;
class TQPixmap;
class Q_EXPORT SecTQSharedDoubleBuffer
{
public:
enum DoubleBufferFlags {
NoFlags = 0x00,
InitBG = 0x01,
Force = 0x02,
Default = InitBG | Force
};
typedef uint DBFlags;
SecTQSharedDoubleBuffer( DBFlags f = Default );
SecTQSharedDoubleBuffer( TQWidget* widget,
int x = 0, int y = 0, int w = -1, int h = -1,
DBFlags f = Default );
SecTQSharedDoubleBuffer( TQPainter* painter,
int x = 0, int y = 0, int w = -1, int h = -1,
DBFlags f = Default );
SecTQSharedDoubleBuffer( TQWidget *widget, const TQRect &r, DBFlags f = Default );
SecTQSharedDoubleBuffer( TQPainter *painter, const TQRect &r, DBFlags f = Default );
~SecTQSharedDoubleBuffer();
bool begin( TQWidget* widget, int x = 0, int y = 0, int w = -1, int h = -1 );
bool begin( TQPainter* painter, int x = 0, int y = 0, int w = -1, int h = -1);
bool begin( TQWidget* widget, const TQRect &r );
bool begin( TQPainter* painter, const TQRect &r );
bool end();
TQPainter* painter() const;
bool isActive() const;
bool isBuffered() const;
void flush();
static bool isDisabled() { return !dblbufr; }
static void setDisabled( bool off ) { dblbufr = !off; }
static void cleanup();
private:
enum DoubleBufferState {
Active = 0x0100,
BufferActive = 0x0200,
ExternalPainter = 0x0400
};
typedef uint DBState;
TQPixmap *getPixmap();
void releasePixmap();
TQWidget *wid;
int rx, ry, rw, rh;
DBFlags flags;
DBState state;
TQPainter *p, *external_p;
TQPixmap *pix;
static bool dblbufr;
};
inline bool SecTQSharedDoubleBuffer::begin( TQWidget* widget, const TQRect &r )
{ return begin( widget, r.x(), r.y(), r.width(), r.height() ); }
inline bool SecTQSharedDoubleBuffer::begin( TQPainter *painter, const TQRect &r )
{ return begin( painter, r.x(), r.y(), r.width(), r.height() ); }
inline TQPainter* SecTQSharedDoubleBuffer::painter() const
{ return p; }
inline bool SecTQSharedDoubleBuffer::isActive() const
{ return ( state & Active ); }
inline bool SecTQSharedDoubleBuffer::isBuffered() const
{ return ( state & BufferActive ); }
#endif // SECTQINTERNAL_P_H
|
