QGenericMatrix Class
template <int N, int M, typename T> class QGenericMatrixThe QGenericMatrix class is a template class that represents a NxM transformation matrix with N columns and M rows. More...
| Header: | #include <QGenericMatrix> |
| CMake: | find_package(Qt6 REQUIRED COMPONENTS Gui)target_link_libraries(mytarget PRIVATE Qt6::Gui) |
| qmake: | QT += gui |
- List of all members, including inherited members
- QGenericMatrix is part of Painting Classes and Rendering in 3D.
Public Functions
| QGenericMatrix() | |
| QGenericMatrix(const T *values) | |
| const T * | constData() const |
| void | copyDataTo(T *values) const |
| T * | data() |
| const T * | data() const |
| void | fill(T value) |
| bool | isIdentity() const |
| void | setToIdentity() |
| QGenericMatrix<M, N, T> | transposed() const |
| bool | operator!=(const QGenericMatrix<N, M, T> &other) const |
| T & | operator()(int row, int column) |
| const T & | operator()(int row, int column) const |
| QGenericMatrix<N, M, T> & | operator*=(T factor) |
| QGenericMatrix<N, M, T> & | operator+=(const QGenericMatrix<N, M, T> &other) |
| QGenericMatrix<N, M, T> & | operator-=(const QGenericMatrix<N, M, T> &other) |
| QGenericMatrix<N, M, T> & | operator/=(T divisor) |
| bool | operator==(const QGenericMatrix<N, M, T> &other) const |
Related Non-Members
| QMatrix2x2 | |
| QMatrix2x3 | |
| QMatrix2x4 | |
| QMatrix3x2 | |
| QMatrix3x3 | |
| QMatrix3x4 | |
| QMatrix4x2 | |
| QMatrix4x3 | |
| QGenericMatrix<N, M, T> | operator*(T factor, const QGenericMatrix<N, M, T> &matrix) |
| QGenericMatrix<M1, M2, TT> | operator*(const QGenericMatrix<NN, M2, TT> &m1, const QGenericMatrix<M1, NN, TT> &m2) |
| QGenericMatrix<N, M, T> | operator*(const QGenericMatrix<N, M, T> &matrix, T factor) |
| QGenericMatrix<N, M, T> | operator+(const QGenericMatrix<N, M, T> &m1, const QGenericMatrix<N, M, T> &m2) |
| QGenericMatrix<N, M, T> | operator-(const QGenericMatrix<N, M, T> &m1, const QGenericMatrix<N, M, T> &m2) |
| QGenericMatrix<N, M, T> | operator-(const QGenericMatrix<N, M, T> &matrix) |
| QGenericMatrix<N, M, T> | operator/(const QGenericMatrix<N, M, T> &matrix, T divisor) |
| QDataStream & | operator<<(QDataStream &stream, const QGenericMatrix<N, M, T> &matrix) |
| QDataStream & | operator>>(QDataStream &stream, QGenericMatrix<N, M, T> &matrix) |
Detailed Description
The QGenericMatrix template has three parameters:
| N | Number of columns. |
| M | Number of rows. |
| T | Element type that is visible to users of the class. |
See also QMatrix4x4.
Member Function Documentation
QGenericMatrix::QGenericMatrix()
Constructs a NxM identity matrix.
[explicit] QGenericMatrix::QGenericMatrix(const T *values)
Constructs a matrix from the given N * M floating-point values. The contents of the array values is assumed to be in row-major order.
See also copyDataTo().
const T *QGenericMatrix::constData() const
Returns a constant pointer to the raw data of this matrix.
See also data().
void QGenericMatrix::copyDataTo(T *values) const
Retrieves the N * M items in this matrix and copies them to values in row-major order.
T *QGenericMatrix::data()
Returns a pointer to the raw data of this matrix.
See also constData().
const T *QGenericMatrix::data() const
Returns a constant pointer to the raw data of this matrix.
See also constData().
void QGenericMatrix::fill(T value)
Fills all elements of this matrix with value.
bool QGenericMatrix::isIdentity() const
Returns true if this matrix is the identity; false otherwise.
See also setToIdentity().
void QGenericMatrix::setToIdentity()
Sets this matrix to the identity.
See also isIdentity().
QGenericMatrix<M, N, T> QGenericMatrix::transposed() const
Returns this matrix, transposed about its diagonal.
bool QGenericMatrix::operator!=(const QGenericMatrix<N, M, T> &other) const
Returns true if this matrix is not identical to other; false otherwise.
T &QGenericMatrix::operator()(int row, int column)
Returns a reference to the element at position (row, column) in this matrix so that the element can be assigned to.
const T &QGenericMatrix::operator()(int row, int column) const
Returns a constant reference to the element at position (row, column) in this matrix.
QGenericMatrix<N, M, T> &QGenericMatrix::operator*=(T factor)
Multiplies all elements of this matrix by factor.
QGenericMatrix<N, M, T> &QGenericMatrix::operator+=(const QGenericMatrix<N, M, T> &other)
Adds the contents of other to this matrix.
QGenericMatrix<N, M, T> &QGenericMatrix::operator-=(const QGenericMatrix<N, M, T> &other)
Subtracts the contents of other from this matrix.
QGenericMatrix<N, M, T> &QGenericMatrix::operator/=(T divisor)
Divides all elements of this matrix by divisor.
bool QGenericMatrix::operator==(const QGenericMatrix<N, M, T> &other) const
Returns true if this matrix is identical to other; false otherwise.
Related Non-Members
QMatrix2x2
The QMatrix2x2 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 2 rows, and float as the element type.
QMatrix2x3
The QMatrix2x3 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 3 rows, and float as the element type.
QMatrix2x4
The QMatrix2x4 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 4 rows, and float as the element type.
QMatrix3x2
The QMatrix3x2 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 2 rows, and float as the element type.
QMatrix3x3
The QMatrix3x3 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 3 rows, and float as the element type.
QMatrix3x4
The QMatrix3x4 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 4 rows, and float as the element type.
QMatrix4x2
The QMatrix4x2 type defines a convenient instantiation of the QGenericMatrix template for 4 columns, 2 rows, and float as the element type.
QMatrix4x3
The QMatrix4x3 type defines a convenient instantiation of the QGenericMatrix template for 4 columns, 3 rows, and float as the element type.
template <int N, int M, typename T> QGenericMatrix<N, M, T> operator*(T factor, const QGenericMatrix<N, M, T> &matrix)
Returns the result of multiplying all elements of matrix by factor.
template <int NN, int M1, int M2, typename TT> QGenericMatrix<M1, M2, TT> operator*(const QGenericMatrix<NN, M2, TT> &m1, const QGenericMatrix<M1, NN, TT> &m2)
Returns the product of the NNxM2 matrix m1 and the M1xNN matrix m2 to produce a M1xM2 matrix result.
template <int N, int M, typename T> QGenericMatrix<N, M, T> operator*(const QGenericMatrix<N, M, T> &matrix, T factor)
Returns the result of multiplying all elements of matrix by factor.
template <int N, int M, typename T> QGenericMatrix<N, M, T> operator+(const QGenericMatrix<N, M, T> &m1, const QGenericMatrix<N, M, T> &m2)
Returns the sum of m1 and m2.
template <int N, int M, typename T> QGenericMatrix<N, M, T> operator-(const QGenericMatrix<N, M, T> &m1, const QGenericMatrix<N, M, T> &m2)
Returns the difference of m1 and m2.
template <int N, int M, typename T> QGenericMatrix<N, M, T> operator-(const QGenericMatrix<N, M, T> &matrix)
This is an overloaded function.
Returns the negation of matrix.
template <int N, int M, typename T> QGenericMatrix<N, M, T> operator/(const QGenericMatrix<N, M, T> &matrix, T divisor)
Returns the result of dividing all elements of matrix by divisor.
template <int N, int M, typename T> QDataStream &operator<<(QDataStream &stream, const QGenericMatrix<N, M, T> &matrix)
Writes the given matrix to the given stream and returns a reference to the stream.
See also Serializing Qt Data Types.
template <int N, int M, typename T> QDataStream &operator>>(QDataStream &stream, QGenericMatrix<N, M, T> &matrix)
Reads a NxM matrix from the given stream into the given matrix and returns a reference to the stream.
See also Serializing Qt Data Types.
© 2024 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.
