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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 342 insertions, 0 deletions

diff --git a/src/gui/math3d/qgenericmatrix.cpp b/src/gui/math3d/qgenericmatrix.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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