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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/****************************************************************************
**
** Definition of QRegion class
**
** Created : 940514
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at [email protected].
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QREGION_H
#define QREGION_H
#ifndef QT_H
#include "qshared.h"
#include "qrect.h"
#endif // QT_H
#ifdef Q_WS_X11
struct QRegionPrivate;
#endif
class Q_EXPORT QRegion
{
public:
enum RegionType { Rectangle, Ellipse };
QRegion();
QRegion( int x, int y, int w, int h, RegionType = Rectangle );
QRegion( const QRect &, RegionType = Rectangle );
QRegion( const QPointArray &, bool winding=FALSE );
QRegion( const QRegion & );
QRegion( const QBitmap & );
~QRegion();
QRegion &operator=( const QRegion & );
bool isNull() const;
bool isEmpty() const;
bool contains( const QPoint &p ) const;
bool contains( const QRect &r ) const;
void translate( int dx, int dy );
QRegion unite( const QRegion & ) const;
QRegion intersect( const QRegion &) const;
QRegion subtract( const QRegion & ) const;
QRegion eor( const QRegion & ) const;
QRect boundingRect() const;
QMemArray<QRect> rects() const;
void setRects( const QRect *, int );
const QRegion operator|( const QRegion & ) const;
const QRegion operator+( const QRegion & ) const;
const QRegion operator&( const QRegion & ) const;
const QRegion operator-( const QRegion & ) const;
const QRegion operator^( const QRegion & ) const;
QRegion& operator|=( const QRegion & );
QRegion& operator+=( const QRegion & );
QRegion& operator&=( const QRegion & );
QRegion& operator-=( const QRegion & );
QRegion& operator^=( const QRegion & );
bool operator==( const QRegion & ) const;
bool operator!=( const QRegion &r ) const
{ return !(operator==(r)); }
#if defined(Q_WS_WIN)
HRGN handle() const { return data->rgn; }
#elif defined(Q_WS_X11)
Region handle() const { if(!data->rgn) updateX11Region(); return data->rgn; }
#elif defined(Q_WS_MAC)
RgnHandle handle(bool require_rgn=FALSE) const;
#elif defined(Q_WS_QWS)
// QGfx_QWS needs this for region drawing
void * handle() const { return data->rgn; }
#endif
#ifndef QT_NO_DATASTREAM
friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QRegion & );
friend Q_EXPORT QDataStream &operator>>( QDataStream &, QRegion & );
#endif
private:
QRegion( bool );
QRegion copy() const;
void detach();
#if defined(Q_WS_WIN)
QRegion winCombine( const QRegion &, int ) const;
#endif
#if defined(Q_WS_X11)
void updateX11Region() const;
void *clipRectangles( int &num ) const;
friend void *qt_getClipRects( const QRegion &, int & );
#endif
void exec( const QByteArray &, int ver = 0 );
struct QRegionData : public QShared {
#if defined(Q_WS_WIN)
HRGN rgn;
#elif defined(Q_WS_X11)
Region rgn;
void *xrectangles;
QRegionPrivate *region;
#elif defined(Q_WS_MAC)
uint is_rect:1;
QRect rect;
RgnHandle rgn;
#elif defined(Q_WS_QWS)
void * rgn;
#endif
bool is_null;
} *data;
#if defined(Q_WS_MAC)
friend struct qt_mac_rgn_data_cache;
friend QRegionData *qt_mac_get_rgn_data();
friend void qt_mac_free_rgn_data(QRegionData *);
void rectifyRegion();
#elif defined(Q_WS_WIN)
friend class QETWidget;
#endif
};
#define QRGN_SETRECT 1 // region stream commands
#define QRGN_SETELLIPSE 2 // (these are internal)
#define QRGN_SETPTARRAY_ALT 3
#define QRGN_SETPTARRAY_WIND 4
#define QRGN_TRANSLATE 5
#define QRGN_OR 6
#define QRGN_AND 7
#define QRGN_SUB 8
#define QRGN_XOR 9
#define QRGN_RECTS 10
/*****************************************************************************
QRegion stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_EXPORT QDataStream &operator<<( QDataStream &, const QRegion & );
Q_EXPORT QDataStream &operator>>( QDataStream &, QRegion & );
#endif
#endif // QREGION_H
|
