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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QREGION_H
#define QREGION_H
#include <QtGui/qtguiglobal.h>
#include <QtCore/qatomic.h>
#include <QtCore/qrect.h>
#include <QtGui/qwindowdefs.h>
#ifndef QT_NO_DATASTREAM
#include <QtCore/qdatastream.h>
#endif
QT_BEGIN_NAMESPACE
template <class T> class QVector;
class QVariant;
struct QRegionPrivate;
class QBitmap;
class Q_GUI_EXPORT QRegion
{
public:
enum RegionType { Rectangle, Ellipse };
QRegion();
QRegion(int x, int y, int w, int h, RegionType t = Rectangle);
QRegion(const QRect &r, RegionType t = Rectangle);
QRegion(const QPolygon &pa, Qt::FillRule fillRule = Qt::OddEvenFill);
QRegion(const QRegion ®ion);
QRegion(QRegion &&other) noexcept
: d(other.d) { other.d = const_cast<QRegionData*>(&shared_empty); }
QRegion(const QBitmap &bitmap);
~QRegion();
QRegion &operator=(const QRegion &);
inline QRegion &operator=(QRegion &&other) noexcept
{ qSwap(d, other.d); return *this; }
inline void swap(QRegion &other) noexcept { qSwap(d, other.d); }
bool isEmpty() const;
bool isNull() const;
typedef const QRect *const_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
const_iterator begin() const noexcept;
const_iterator cbegin() const noexcept { return begin(); }
const_iterator end() const noexcept;
const_iterator cend() const noexcept { return end(); }
const_reverse_iterator rbegin() const noexcept { return const_reverse_iterator(end()); }
const_reverse_iterator crbegin() const noexcept { return rbegin(); }
const_reverse_iterator rend() const noexcept { return const_reverse_iterator(begin()); }
const_reverse_iterator crend() const noexcept { return rend(); }
bool contains(const QPoint &p) const;
bool contains(const QRect &r) const;
void translate(int dx, int dy);
inline void translate(const QPoint &p) { translate(p.x(), p.y()); }
Q_REQUIRED_RESULT QRegion translated(int dx, int dy) const;
Q_REQUIRED_RESULT inline QRegion translated(const QPoint &p) const { return translated(p.x(), p.y()); }
Q_REQUIRED_RESULT QRegion united(const QRegion &r) const;
Q_REQUIRED_RESULT QRegion united(const QRect &r) const;
Q_REQUIRED_RESULT QRegion intersected(const QRegion &r) const;
Q_REQUIRED_RESULT QRegion intersected(const QRect &r) const;
Q_REQUIRED_RESULT QRegion subtracted(const QRegion &r) const;
Q_REQUIRED_RESULT QRegion xored(const QRegion &r) const;
bool intersects(const QRegion &r) const;
bool intersects(const QRect &r) const;
QRect boundingRect() const noexcept;
void setRects(const QRect *rect, int num);
int rectCount() const noexcept;
QRegion operator|(const QRegion &r) const;
QRegion operator+(const QRegion &r) const;
QRegion operator+(const QRect &r) const;
QRegion operator&(const QRegion &r) const;
QRegion operator&(const QRect &r) const;
QRegion operator-(const QRegion &r) const;
QRegion operator^(const QRegion &r) const;
QRegion& operator|=(const QRegion &r);
QRegion& operator+=(const QRegion &r);
QRegion& operator+=(const QRect &r);
QRegion& operator&=(const QRegion &r);
QRegion& operator&=(const QRect &r);
QRegion& operator-=(const QRegion &r);
QRegion& operator^=(const QRegion &r);
bool operator==(const QRegion &r) const;
inline bool operator!=(const QRegion &r) const { return !(operator==(r)); }
operator QVariant() const;
#ifndef QT_NO_DATASTREAM
friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QRegion &);
friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QRegion &);
#endif
private:
QRegion copy() const; // helper of detach.
void detach();
Q_GUI_EXPORT
friend bool qt_region_strictContains(const QRegion ®ion,
const QRect &rect);
friend struct QRegionPrivate;
#ifndef QT_NO_DATASTREAM
void exec(const QByteArray &ba, int ver = 0, QDataStream::ByteOrder byteOrder = QDataStream::BigEndian);
#endif
struct QRegionData {
QtPrivate::RefCount ref;
QRegionPrivate *qt_rgn;
};
struct QRegionData *d;
static const struct QRegionData shared_empty;
static void cleanUp(QRegionData *x);
};
Q_DECLARE_SHARED(QRegion)
/*****************************************************************************
QRegion stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QRegion &);
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QRegion &);
#endif
#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug, const QRegion &);
#endif
QT_END_NAMESPACE
#endif // QREGION_H
|
