QGenericMatrix Class Reference
The QGenericMatrix class is a template class that represents a NxM transformation matrix with N columns and M rows. More...
#include <QGenericMatrix> This class was introduced in Qt 4.6.
Public Functions
| | QGenericMatrix () |
| | QGenericMatrix ( const QGenericMatrix<N, M, T> & other ) |
| | 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 |
| const T & | operator() ( int row, int column ) const |
| T & | operator() ( int row, int column ) |
| 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
| typedef | QMatrix2x2 |
| typedef | QMatrix2x3 |
| typedef | QMatrix2x4 |
| typedef | QMatrix3x2 |
| typedef | QMatrix3x3 |
| typedef | QMatrix3x4 |
| typedef | QMatrix4x2 |
| typedef | QMatrix4x3 |
| QGenericMatrix<M1, M2, T> | operator* ( const QGenericMatrix<N, M2, T> & m1, const QGenericMatrix<M1, N, T> & m2 ) |
| QGenericMatrix<N, M, T> | operator* ( T factor, const QGenericMatrix<N, M, T> & matrix ) |
| 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 class is a template class that represents a NxM transformation matrix with N columns and M rows.
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.
QGenericMatrix::QGenericMatrix ( const QGenericMatrix<N, M, T> & other )
Constructs a copy of other.
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.
const T & QGenericMatrix::operator() ( int row, int column ) const
Returns a constant reference to the element at position (row, column) in this matrix.
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.
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
typedef QMatrix2x2
The QMatrix2x2 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 2 rows, and qreal as the element type.
typedef QMatrix2x3
The QMatrix2x3 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 3 rows, and qreal as the element type.
typedef QMatrix2x4
The QMatrix2x4 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 4 rows, and qreal as the element type.
typedef QMatrix3x2
The QMatrix3x2 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 2 rows, and qreal as the element type.
typedef QMatrix3x3
The QMatrix3x3 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 3 rows, and qreal as the element type.
typedef QMatrix3x4
The QMatrix3x4 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 4 rows, and qreal as the element type.
typedef QMatrix4x2
The QMatrix4x2 type defines a convenient instantiation of the QGenericMatrix template for 4 columns, 2 rows, and qreal as the element type.
typedef QMatrix4x3
The QMatrix4x3 type defines a convenient instantiation of the QGenericMatrix template for 4 columns, 3 rows, and qreal as the element type.
QGenericMatrix<M1, M2, T> operator* ( const QGenericMatrix<N, M2, T> & m1, const QGenericMatrix<M1, N, T> & m2 )
Returns the product of the NxM2 matrix m1 and the M1xN matrix m2 to produce a M1xM2 matrix result.
QGenericMatrix<N, M, T> operator* ( T factor, const QGenericMatrix<N, M, T> & matrix )
Returns the result of multiplying all elements of matrix by factor.
QGenericMatrix<N, M, T> operator* ( const QGenericMatrix<N, M, T> & matrix, T factor )
Returns the result of multiplying all elements of matrix by factor.
QGenericMatrix<N, M, T> operator+ ( const QGenericMatrix<N, M, T> & m1, const QGenericMatrix<N, M, T> & m2 )
Returns the sum of m1 and m2.
QGenericMatrix<N, M, T> operator- ( const QGenericMatrix<N, M, T> & m1, const QGenericMatrix<N, M, T> & m2 )
Returns the difference of m1 and m2.
QGenericMatrix<N, M, T> operator- ( const QGenericMatrix<N, M, T> & matrix )
This is an overloaded function.
Returns the negation of matrix.
QGenericMatrix<N, M, T> operator/ ( const QGenericMatrix<N, M, T> & matrix, T divisor )
Returns the result of dividing all elements of matrix by divisor.
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.
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.
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