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347 lines
8.9 KiB
C++
347 lines
8.9 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qgenericmatrix.h"
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QT_BEGIN_NAMESPACE
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/*!
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\class QGenericMatrix
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\brief The QGenericMatrix class is a template class that represents a NxM transformation matrix with N columns and M rows.
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\since 4.6
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\ingroup painting
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\ingroup painting-3D
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The QGenericMatrix template has three parameters:
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\table
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\row \i N \i Number of columns.
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\row \i M \i Number of rows.
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\row \i T \i Element type that is visible to users of the class.
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\endtable
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\sa QMatrix4x4
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*/
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/*!
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\fn QGenericMatrix::QGenericMatrix()
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Constructs a NxM identity matrix.
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*/
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/*!
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\fn QGenericMatrix::QGenericMatrix(const QGenericMatrix<N, M, T>& other)
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Constructs a copy of \a other.
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*/
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/*!
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\fn QGenericMatrix::QGenericMatrix(const T *values)
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Constructs a matrix from the given N * M floating-point \a values.
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The contents of the array \a values is assumed to be in
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row-major order.
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\sa copyDataTo()
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*/
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/*!
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\fn const T& QGenericMatrix::operator()(int row, int column) const
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Returns a constant reference to the element at position
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(\a row, \a column) in this matrix.
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*/
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/*!
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\fn T& QGenericMatrix::operator()(int row, int column)
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Returns a reference to the element at position (\a row, \a column)
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in this matrix so that the element can be assigned to.
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*/
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/*!
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\fn bool QGenericMatrix::isIdentity() const
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Returns true if this matrix is the identity; false otherwise.
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\sa setToIdentity()
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*/
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/*!
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\fn void QGenericMatrix::setToIdentity()
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Sets this matrix to the identity.
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\sa isIdentity()
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*/
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/*!
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\fn void QGenericMatrix::fill(T value)
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Fills all elements of this matrix with \a value.
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*/
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/*!
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\fn QGenericMatrix<M, N> QGenericMatrix::transposed() const
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Returns this matrix, transposed about its diagonal.
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*/
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/*!
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\fn QGenericMatrix<N, M, T>& QGenericMatrix::operator+=(const QGenericMatrix<N, M, T>& other)
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Adds the contents of \a other to this matrix.
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*/
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/*!
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\fn QGenericMatrix<N, M, T>& QGenericMatrix::operator-=(const QGenericMatrix<N, M, T>& other)
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Subtracts the contents of \a other from this matrix.
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*/
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/*!
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\fn QGenericMatrix<N, M, T>& QGenericMatrix::operator*=(T factor)
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Multiplies all elements of this matrix by \a factor.
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*/
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/*!
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\fn QGenericMatrix<N, M, T>& QGenericMatrix::operator/=(T divisor)
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Divides all elements of this matrix by \a divisor.
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*/
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/*!
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\fn bool QGenericMatrix::operator==(const QGenericMatrix<N, M, T>& other) const
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Returns true if this matrix is identical to \a other; false otherwise.
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*/
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/*!
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\fn bool QGenericMatrix::operator!=(const QGenericMatrix<N, M, T>& other) const
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Returns true if this matrix is not identical to \a other; false otherwise.
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*/
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/*!
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\fn QGenericMatrix<N, M, T> operator+(const QGenericMatrix<N, M, T>& m1, const QGenericMatrix<N, M, T>& m2)
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\relates QGenericMatrix
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Returns the sum of \a m1 and \a m2.
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*/
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/*!
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\fn QGenericMatrix<N, M, T> operator-(const QGenericMatrix<N, M, T>& m1, const QGenericMatrix<N, M, T>& m2)
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\relates QGenericMatrix
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Returns the difference of \a m1 and \a m2.
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*/
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/*!
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\fn QGenericMatrix<M1, M2, T> operator*(const QGenericMatrix<N, M2, T>& m1, const QGenericMatrix<M1, N, T>& m2)
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\relates QGenericMatrix
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Returns the product of the NxM2 matrix \a m1 and the M1xN matrix \a m2
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to produce a M1xM2 matrix result.
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*/
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/*!
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\fn QGenericMatrix<N, M, T> operator-(const QGenericMatrix<N, M, T>& matrix)
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\overload
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\relates QGenericMatrix
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Returns the negation of \a matrix.
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*/
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/*!
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\fn QGenericMatrix<N, M, T> operator*(T factor, const QGenericMatrix<N, M, T>& matrix)
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\relates QGenericMatrix
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Returns the result of multiplying all elements of \a matrix by \a factor.
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*/
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/*!
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\fn QGenericMatrix<N, M, T> operator*(const QGenericMatrix<N, M, T>& matrix, T factor)
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\relates QGenericMatrix
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Returns the result of multiplying all elements of \a matrix by \a factor.
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*/
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/*!
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\fn QGenericMatrix<N, M, T> operator/(const QGenericMatrix<N, M, T>& matrix, T divisor)
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\relates QGenericMatrix
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Returns the result of dividing all elements of \a matrix by \a divisor.
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*/
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/*!
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\fn void QGenericMatrix::copyDataTo(T *values) const
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Retrieves the N * M items in this matrix and copies them to \a values
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in row-major order.
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*/
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/*!
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\fn T *QGenericMatrix::data()
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Returns a pointer to the raw data of this matrix.
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\sa constData()
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*/
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/*!
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\fn const T *QGenericMatrix::data() const
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Returns a constant pointer to the raw data of this matrix.
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\sa constData()
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*/
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/*!
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\fn const T *QGenericMatrix::constData() const
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Returns a constant pointer to the raw data of this matrix.
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\sa data()
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*/
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#ifndef QT_NO_DATASTREAM
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/*!
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\fn QDataStream &operator<<(QDataStream &stream, const QGenericMatrix<N, M, T> &matrix)
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\relates QGenericMatrix
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Writes the given \a matrix to the given \a stream and returns a
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reference to the stream.
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\sa {Serializing Qt Data Types}
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*/
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/*!
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\fn QDataStream &operator>>(QDataStream &stream, QGenericMatrix<N, M, T> &matrix)
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\relates QGenericMatrix
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Reads a NxM matrix from the given \a stream into the given \a matrix
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and returns a reference to the stream.
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\sa {Serializing Qt Data Types}
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*/
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#endif
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/*!
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\typedef QMatrix2x2
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\relates QGenericMatrix
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The QMatrix2x2 type defines a convenient instantiation of the
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QGenericMatrix template for 2 columns, 2 rows, and qreal as
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the element type.
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*/
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/*!
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\typedef QMatrix2x3
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\relates QGenericMatrix
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The QMatrix2x3 type defines a convenient instantiation of the
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QGenericMatrix template for 2 columns, 3 rows, and qreal as
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the element type.
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*/
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/*!
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\typedef QMatrix2x4
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\relates QGenericMatrix
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The QMatrix2x4 type defines a convenient instantiation of the
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QGenericMatrix template for 2 columns, 4 rows, and qreal as
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the element type.
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*/
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/*!
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\typedef QMatrix3x2
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\relates QGenericMatrix
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The QMatrix3x2 type defines a convenient instantiation of the
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QGenericMatrix template for 3 columns, 2 rows, and qreal as
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the element type.
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*/
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/*!
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\typedef QMatrix3x3
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\relates QGenericMatrix
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The QMatrix3x3 type defines a convenient instantiation of the
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QGenericMatrix template for 3 columns, 3 rows, and qreal as
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the element type.
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*/
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/*!
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\typedef QMatrix3x4
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\relates QGenericMatrix
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The QMatrix3x4 type defines a convenient instantiation of the
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QGenericMatrix template for 3 columns, 4 rows, and qreal as
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the element type.
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*/
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/*!
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\typedef QMatrix4x2
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\relates QGenericMatrix
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The QMatrix4x2 type defines a convenient instantiation of the
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QGenericMatrix template for 4 columns, 2 rows, and qreal as
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the element type.
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*/
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/*!
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\typedef QMatrix4x3
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\relates QGenericMatrix
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The QMatrix4x3 type defines a convenient instantiation of the
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QGenericMatrix template for 4 columns, 3 rows, and qreal as
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the element type.
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*/
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QT_END_NAMESPACE
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