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Diffstat (limited to 'src/gui/math3d/qgenericmatrix.cpp')
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diff --git a/src/gui/math3d/qgenericmatrix.cpp b/src/gui/math3d/qgenericmatrix.cpp new file mode 100644 index 0000000..a77ca42 --- /dev/null +++ b/src/gui/math3d/qgenericmatrix.cpp @@ -0,0 +1,251 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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 are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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 + + The QGenericMatrix template has four 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. + \row \i InnerT \i Element type that is used inside the class. + \endtable + + Normally T and InnerT are the same type; e.g. float or double. + But they can be different if the user wants to store elements + internally in a fixed-point format for the underlying hardware. + + \sa QMatrix4x4, QFixedPt +*/ + +/*! + \fn QGenericMatrix::QGenericMatrix() + + Constructs a NxM identity matrix. +*/ + +/*! + \fn QGenericMatrix::QGenericMatrix(const QGenericMatrix<N, M, T, InnerT>& 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 toValueArray() +*/ + +/*! + \fn T QGenericMatrix::operator()(int row, int column) const + + Returns the element at position (\a row, \a column) in this matrix. +*/ + +/*! + \fn InnerT& 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 setIdentity() +*/ + +/*! + \fn void QGenericMatrix::setIdentity() + + Sets this matrix to the identity. + + \sa isIdentity() +*/ + +/*! + \fn void QGenericMatrix::fill(qreal 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, InnerT>& QGenericMatrix::operator+=(const QGenericMatrix<N, M, T, InnerT>& other) + + Adds the contents of \a other to this matrix. +*/ + +/*! + \fn QGenericMatrix<N, M, T, InnerT>& QGenericMatrix::operator-=(const QGenericMatrix<N, M, T, InnerT>& other) + + Subtracts the contents of \a other from this matrix. +*/ + +/*! + \fn QGenericMatrix<N, M, T, InnerT>& QGenericMatrix::operator*=(T factor) + + Multiplies all elements of this matrix by \a factor. +*/ + +/*! + \fn QGenericMatrix<N, M, T, InnerT>& QGenericMatrix::operator/=(T divisor) + + Divides all elements of this matrix by \a divisor. +*/ + +/*! + \fn bool QGenericMatrix::operator==(const QGenericMatrix<N, M, T, InnerT>& other) const + + Returns true if this matrix is identical to \a other; false otherwise. +*/ + +/*! + \fn bool QGenericMatrix::operator!=(const QGenericMatrix<N, M, T, InnerT>& other) const + + Returns true if this matrix is not identical to \a other; false otherwise. +*/ + +/*! + \fn QGenericMatrix<N, M, T, InnerT> operator+(const QGenericMatrix<N, M, T, InnerT>& m1, const QGenericMatrix<N, M, T, InnerT>& m2) + \relates QGenericMatrix + + Returns the sum of \a m1 and \a m2. +*/ + +/*! + \fn QGenericMatrix<N, M, T, InnerT> operator-(const QGenericMatrix<N, M, T, InnerT>& m1, const QGenericMatrix<N, M, T, InnerT>& m2) + \relates QGenericMatrix + + Returns the difference of \a m1 and \a m2. +*/ + +/*! + \fn QGenericMatrix<M1, M2, T, InnerT> operator*(const QGenericMatrix<N, M2, T, InnerT>& m1, const QGenericMatrix<M1, N, T, InnerT>& 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, InnerT> operator-(const QGenericMatrix<N, M, T, InnerT>& matrix) + \overload + \relates QGenericMatrix + + Returns the negation of \a matrix. +*/ + +/*! + \fn QGenericMatrix<N, M, T, InnerT> operator*(T factor, const QGenericMatrix<N, M, T, InnerT>& matrix) + \relates QGenericMatrix + + Returns the result of multiplying all elements of \a matrix by \a factor. +*/ + +/*! + \fn QGenericMatrix<N, M, T, InnerT> operator*(const QGenericMatrix<N, M, T, InnerT>& matrix, T factor) + \relates QGenericMatrix + + Returns the result of multiplying all elements of \a matrix by \a factor. +*/ + +/*! + \fn QGenericMatrix<N, M, T, InnerT> operator/(const QGenericMatrix<N, M, T, InnerT>& matrix, T divisor) + \relates QGenericMatrix + + Returns the result of dividing all elements of \a matrix by \a divisor. +*/ + +/*! + \fn void QGenericMatrix::toValueArray(T *values) + + Retrieves the N * M items in this matrix and writes them to \a values + in row-major order. +*/ + +/*! + \fn InnerT *QGenericMatrix::data() + + Returns a pointer to the raw data of this matrix. This is intended + for use with raw GL functions. + + \sa constData() +*/ + +/*! + \fn const InnerT *QGenericMatrix::data() const + + Returns a constant pointer to the raw data of this matrix. + This is intended for use with raw GL functions. + + \sa constData() +*/ + +/*! + \fn const InnerT *QGenericMatrix::constData() const + + Returns a constant pointer to the raw data of this matrix. + This is intended for use with raw GL functions. + + \sa data() +*/ + +QT_END_NAMESPACE |