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
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgenericmatrix.h"
QT_BEGIN_NAMESPACE
/*!
\class QGenericMatrix
\brief The QGenericMatrix class is a template class that represents a NxM transformation matrix with N columns and M rows.
\since 4.6
\ingroup painting
\ingroup painting-3D
The QGenericMatrix template has three parameters:
\table
\row \i N \i Number of columns.
\row \i M \i Number of rows.
\row \i T \i Element type that is visible to users of the class.
\endtable
\sa QMatrix4x4
*/
/*!
\fn QGenericMatrix::QGenericMatrix()
Constructs a NxM identity matrix.
*/
/*!
\fn QGenericMatrix::QGenericMatrix(const QGenericMatrix<N, M, T>& other)
Constructs a copy of \a other.
*/
/*!
\fn QGenericMatrix::QGenericMatrix(const T *values)
Constructs a matrix from the given N * M floating-point \a values.
The contents of the array \a values is assumed to be in
row-major order.
\sa copyDataTo()
*/
/*!
\fn const T& QGenericMatrix::operator()(int row, int column) const
Returns a constant reference to the element at position
(\a row, \a column) in this matrix.
*/
/*!
\fn T& QGenericMatrix::operator()(int row, int column)
Returns a reference to the element at position (\a row, \a column)
in this matrix so that the element can be assigned to.
*/
/*!
\fn bool QGenericMatrix::isIdentity() const
Returns true if this matrix is the identity; false otherwise.
\sa setToIdentity()
*/
/*!
\fn void QGenericMatrix::setToIdentity()
Sets this matrix to the identity.
\sa isIdentity()
*/
/*!
\fn void QGenericMatrix::fill(T value)
Fills all elements of this matrix with \a value.
*/
/*!
\fn QGenericMatrix<M, N> QGenericMatrix::transposed() const
Returns this matrix, transposed about its diagonal.
*/
/*!
\fn QGenericMatrix<N, M, T>& QGenericMatrix::operator+=(const QGenericMatrix<N, M, T>& other)
Adds the contents of \a other to this matrix.
*/
/*!
\fn QGenericMatrix<N, M, T>& QGenericMatrix::operator-=(const QGenericMatrix<N, M, T>& other)
Subtracts the contents of \a other from this matrix.
*/
/*!
\fn QGenericMatrix<N, M, T>& QGenericMatrix::operator*=(T factor)
Multiplies all elements of this matrix by \a factor.
*/
/*!
\fn QGenericMatrix<N, M, T>& QGenericMatrix::operator/=(T divisor)
Divides all elements of this matrix by \a divisor.
*/
/*!
\fn bool QGenericMatrix::operator==(const QGenericMatrix<N, M, T>& other) const
Returns true if this matrix is identical to \a other; false otherwise.
*/
/*!
\fn bool QGenericMatrix::operator!=(const QGenericMatrix<N, M, T>& other) const
Returns true if this matrix is not identical to \a other; false otherwise.
*/
/*!
\fn QGenericMatrix<N, M, T> operator+(const QGenericMatrix<N, M, T>& m1, const QGenericMatrix<N, M, T>& m2)
\relates QGenericMatrix
Returns the sum of \a m1 and \a m2.
*/
/*!
\fn QGenericMatrix<N, M, T> operator-(const QGenericMatrix<N, M, T>& m1, const QGenericMatrix<N, M, T>& m2)
\relates QGenericMatrix
Returns the difference of \a m1 and \a m2.
*/
/*!
\fn QGenericMatrix<M1, M2, T> operator*(const QGenericMatrix<N, M2, T>& m1, const QGenericMatrix<M1, N, T>& m2)
\relates QGenericMatrix
Returns the product of the NxM2 matrix \a m1 and the M1xN matrix \a m2
to produce a M1xM2 matrix result.
*/
/*!
\fn QGenericMatrix<N, M, T> operator-(const QGenericMatrix<N, M, T>& matrix)
\overload
\relates QGenericMatrix
Returns the negation of \a matrix.
*/
/*!
\fn QGenericMatrix<N, M, T> operator*(T factor, const QGenericMatrix<N, M, T>& matrix)
\relates QGenericMatrix
Returns the result of multiplying all elements of \a matrix by \a factor.
*/
/*!
\fn QGenericMatrix<N, M, T> operator*(const QGenericMatrix<N, M, T>& matrix, T factor)
\relates QGenericMatrix
Returns the result of multiplying all elements of \a matrix by \a factor.
*/
/*!
\fn QGenericMatrix<N, M, T> operator/(const QGenericMatrix<N, M, T>& matrix, T divisor)
\relates QGenericMatrix
Returns the result of dividing all elements of \a matrix by \a divisor.
*/
/*!
\fn void QGenericMatrix::copyDataTo(T *values) const
Retrieves the N * M items in this matrix and copies them to \a values
in row-major order.
*/
/*!
\fn T *QGenericMatrix::data()
Returns a pointer to the raw data of this matrix.
\sa constData()
*/
/*!
\fn const T *QGenericMatrix::data() const
Returns a constant pointer to the raw data of this matrix.
\sa constData()
*/
/*!
\fn const T *QGenericMatrix::constData() const
Returns a constant pointer to the raw data of this matrix.
\sa data()
*/
#ifndef QT_NO_DATASTREAM
/*!
\fn QDataStream &operator<<(QDataStream &stream, const QGenericMatrix<N, M, T> &matrix)
\relates QGenericMatrix
Writes the given \a matrix to the given \a stream and returns a
reference to the stream.
\sa {Serializing Qt Data Types}
*/
/*!
\fn QDataStream &operator>>(QDataStream &stream, QGenericMatrix<N, M, T> &matrix)
\relates QGenericMatrix
Reads a NxM matrix from the given \a stream into the given \a matrix
and returns a reference to the stream.
\sa {Serializing Qt Data Types}
*/
#endif
/*!
\typedef QMatrix2x2
\relates QGenericMatrix
The QMatrix2x2 type defines a convenient instantiation of the
QGenericMatrix template for 2 columns, 2 rows, and qreal as
the element type.
*/
/*!
\typedef QMatrix2x3
\relates QGenericMatrix
The QMatrix2x3 type defines a convenient instantiation of the
QGenericMatrix template for 2 columns, 3 rows, and qreal as
the element type.
*/
/*!
\typedef QMatrix2x4
\relates QGenericMatrix
The QMatrix2x4 type defines a convenient instantiation of the
QGenericMatrix template for 2 columns, 4 rows, and qreal as
the element type.
*/
/*!
\typedef QMatrix3x2
\relates QGenericMatrix
The QMatrix3x2 type defines a convenient instantiation of the
QGenericMatrix template for 3 columns, 2 rows, and qreal as
the element type.
*/
/*!
\typedef QMatrix3x3
\relates QGenericMatrix
The QMatrix3x3 type defines a convenient instantiation of the
QGenericMatrix template for 3 columns, 3 rows, and qreal as
the element type.
*/
/*!
\typedef QMatrix3x4
\relates QGenericMatrix
The QMatrix3x4 type defines a convenient instantiation of the
QGenericMatrix template for 3 columns, 4 rows, and qreal as
the element type.
*/
/*!
\typedef QMatrix4x2
\relates QGenericMatrix
The QMatrix4x2 type defines a convenient instantiation of the
QGenericMatrix template for 4 columns, 2 rows, and qreal as
the element type.
*/
/*!
\typedef QMatrix4x3
\relates QGenericMatrix
The QMatrix4x3 type defines a convenient instantiation of the
QGenericMatrix template for 4 columns, 3 rows, and qreal as
the element type.
*/
QT_END_NAMESPACE
|
