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 other ) QGenericMatrix values ) const T * constData void copyDataTo values ) const T * data const T * data void fill value ) bool isIdentity void setToIdentity QGenericMatrix<M, N, T> transposed bool operator!= other ) const const T & operator() row , int column ) const T & operator() row , int column ) QGenericMatrix<N, M, T> & operator*= factor ) QGenericMatrix<N, M, T> & operator+= other ) QGenericMatrix<N, M, T> & operator-= other ) QGenericMatrix<N, M, T> & operator/= divisor ) bool operator== 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* m1 , const QGenericMatrix<M1, N, T> & m2 ) QGenericMatrix<N, M, T> operator* factor , const QGenericMatrix<N, M, T> & matrix ) QGenericMatrix<N, M, T> operator* matrix , T factor ) QGenericMatrix<N, M, T> operator+ m1 , const QGenericMatrix<N, M, T> & m2 ) QGenericMatrix<N, M, T> operator- m1 , const QGenericMatrix<N, M, T> & m2 ) QGenericMatrix<N, M, T> operator- matrix ) QGenericMatrix<N, M, T> operator/ matrix , T divisor ) QDataStream & operator<< stream , const QGenericMatrix<N, M, T> & matrix ) QDataStream & operator>> 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 ()Constructs a NxM identity matrix.
QGenericMatrix ( const QGenericMatrix <N , M , T > & other )Constructs a copy of other .
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 ().
T * QGenericMatrix::constData () constReturns a constant pointer to the raw data of this matrix.
See also data ().
void QGenericMatrix::copyDataTo ( T * values ) constRetrieves 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 ().
T * QGenericMatrix::data () constReturns 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 () constReturns 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 () constReturns this matrix, transposed about its diagonal.
bool QGenericMatrix::operator!= ( const QGenericMatrix <N , M , T > & other ) constReturns true if this matrix is not identical to other ; false otherwise.
T & QGenericMatrix::operator() ( int row , int column ) constReturns 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 ) constReturns 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 qreal as the element type.
QMatrix2x3 The QMatrix2x3 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 3 rows, and qreal as the element type.
QMatrix2x4 The QMatrix2x4 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 4 rows, and qreal as the element type.
QMatrix3x2 The QMatrix3x2 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 2 rows, and qreal as the element type.
QMatrix3x3 The QMatrix3x3 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 3 rows, and qreal as the element type.
QMatrix3x4 The QMatrix3x4 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 4 rows, and qreal as the element type.
QMatrix4x2 The QMatrix4x2 type defines a convenient instantiation of the QGenericMatrix template for 4 columns, 2 rows, and qreal as the element type.
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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