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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** 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 have questions regarding the use of this file, please contact
** Nokia at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QVECTOR2D_H
#define QVECTOR2D_H
#include <QtCore/qpoint.h>
#include <QtCore/qmetatype.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QVector3D;
class QVector4D;
class QVariant;
#ifndef QT_NO_VECTOR2D
class Q_GUI_EXPORT QVector2D
{
public:
QVector2D();
QVector2D(qreal xpos, qreal ypos);
explicit QVector2D(const QPoint& point);
explicit QVector2D(const QPointF& point);
#ifndef QT_NO_VECTOR3D
explicit QVector2D(const QVector3D& vector);
#endif
#ifndef QT_NO_VECTOR4D
explicit QVector2D(const QVector4D& vector);
#endif
bool isNull() const;
qreal x() const;
qreal y() const;
void setX(qreal x);
void setY(qreal y);
qreal length() const;
qreal lengthSquared() const;
QVector2D normalized() const;
void normalize();
QVector2D &operator+=(const QVector2D &vector);
QVector2D &operator-=(const QVector2D &vector);
QVector2D &operator*=(qreal factor);
QVector2D &operator*=(const QVector2D &vector);
QVector2D &operator/=(qreal divisor);
static qreal dotProduct(const QVector2D& v1, const QVector2D& v2);
friend inline bool operator==(const QVector2D &v1, const QVector2D &v2);
friend inline bool operator!=(const QVector2D &v1, const QVector2D &v2);
friend inline const QVector2D operator+(const QVector2D &v1, const QVector2D &v2);
friend inline const QVector2D operator-(const QVector2D &v1, const QVector2D &v2);
friend inline const QVector2D operator*(qreal factor, const QVector2D &vector);
friend inline const QVector2D operator*(const QVector2D &vector, qreal factor);
friend inline const QVector2D operator*(const QVector2D &v1, const QVector2D &v2);
friend inline const QVector2D operator-(const QVector2D &vector);
friend inline const QVector2D operator/(const QVector2D &vector, qreal divisor);
friend inline bool qFuzzyCompare(const QVector2D& v1, const QVector2D& v2);
#ifndef QT_NO_VECTOR3D
QVector3D toVector3D() const;
#endif
#ifndef QT_NO_VECTOR4D
QVector4D toVector4D() const;
#endif
QPoint toPoint() const;
QPointF toPointF() const;
operator QVariant() const;
private:
float xp, yp;
QVector2D(float xpos, float ypos, int dummy);
friend class QVector3D;
friend class QVector4D;
};
inline QVector2D::QVector2D() : xp(0.0f), yp(0.0f) {}
inline QVector2D::QVector2D(float xpos, float ypos, int) : xp(xpos), yp(ypos) {}
inline QVector2D::QVector2D(qreal xpos, qreal ypos) : xp(xpos), yp(ypos) {}
inline QVector2D::QVector2D(const QPoint& point) : xp(point.x()), yp(point.y()) {}
inline QVector2D::QVector2D(const QPointF& point) : xp(point.x()), yp(point.y()) {}
inline bool QVector2D::isNull() const
{
return qIsNull(xp) && qIsNull(yp);
}
inline qreal QVector2D::x() const { return qreal(xp); }
inline qreal QVector2D::y() const { return qreal(yp); }
inline void QVector2D::setX(qreal aX) { xp = aX; }
inline void QVector2D::setY(qreal aY) { yp = aY; }
inline QVector2D &QVector2D::operator+=(const QVector2D &vector)
{
xp += vector.xp;
yp += vector.yp;
return *this;
}
inline QVector2D &QVector2D::operator-=(const QVector2D &vector)
{
xp -= vector.xp;
yp -= vector.yp;
return *this;
}
inline QVector2D &QVector2D::operator*=(qreal factor)
{
xp *= factor;
yp *= factor;
return *this;
}
inline QVector2D &QVector2D::operator*=(const QVector2D &vector)
{
xp *= vector.xp;
yp *= vector.yp;
return *this;
}
inline QVector2D &QVector2D::operator/=(qreal divisor)
{
xp /= divisor;
yp /= divisor;
return *this;
}
inline bool operator==(const QVector2D &v1, const QVector2D &v2)
{
return v1.xp == v2.xp && v1.yp == v2.yp;
}
inline bool operator!=(const QVector2D &v1, const QVector2D &v2)
{
return v1.xp != v2.xp || v1.yp != v2.yp;
}
inline const QVector2D operator+(const QVector2D &v1, const QVector2D &v2)
{
return QVector2D(v1.xp + v2.xp, v1.yp + v2.yp, 1);
}
inline const QVector2D operator-(const QVector2D &v1, const QVector2D &v2)
{
return QVector2D(v1.xp - v2.xp, v1.yp - v2.yp, 1);
}
inline const QVector2D operator*(qreal factor, const QVector2D &vector)
{
return QVector2D(vector.xp * factor, vector.yp * factor, 1);
}
inline const QVector2D operator*(const QVector2D &vector, qreal factor)
{
return QVector2D(vector.xp * factor, vector.yp * factor, 1);
}
inline const QVector2D operator*(const QVector2D &v1, const QVector2D &v2)
{
return QVector2D(v1.xp * v2.xp, v1.yp * v2.yp, 1);
}
inline const QVector2D operator-(const QVector2D &vector)
{
return QVector2D(-vector.xp, -vector.yp, 1);
}
inline const QVector2D operator/(const QVector2D &vector, qreal divisor)
{
return QVector2D(vector.xp / divisor, vector.yp / divisor, 1);
}
inline bool qFuzzyCompare(const QVector2D& v1, const QVector2D& v2)
{
return qFuzzyCompare(v1.xp, v2.xp) && qFuzzyCompare(v1.yp, v2.yp);
}
inline QPoint QVector2D::toPoint() const
{
return QPoint(qRound(xp), qRound(yp));
}
inline QPointF QVector2D::toPointF() const
{
return QPointF(qreal(xp), qreal(yp));
}
#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QVector2D &vector);
#endif
#ifndef QT_NO_DATASTREAM
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QVector2D &);
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QVector2D &);
#endif
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
