QGenericMatrix 类是表示具有 N 列和 M 行的 NxM 变换矩阵的模板类。 更多...
| 头： | #include <QGenericMatrix> |
| qmake: | QT += gui |
| Since: | Qt 4.6 |
该类在 Qt 4.6 引入。
| QGenericMatrix (const T * 值 ) | |
| QGenericMatrix () | |
| const T * | constData () const |
| void | copyDataTo (T * 值 ) 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 = N) 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 = N) |
| QGenericMatrix<N, M, T> & | operator-= (const QGenericMatrix<N, M, T> & other = N) |
| QGenericMatrix<N, M, T> & | operator/= (T divisor ) |
| bool | operator== (const QGenericMatrix<N, M, T> & other = N) const |
| typedef | QMatrix2x2 |
| typedef | QMatrix2x3 |
| typedef | QMatrix2x4 |
| typedef | QMatrix3x2 |
| typedef | QMatrix3x3 |
| typedef | QMatrix3x4 |
| typedef | QMatrix4x2 |
| typedef | QMatrix4x3 |
| QGenericMatrix<M1, M2, TT> | operator* (const QGenericMatrix<NN, M2, TT> & m1 = NN, const QGenericMatrix<M1, NN, TT> & m2 = M1) |
| QGenericMatrix<N, M, T> | operator* (T factor , const QGenericMatrix<N, M, T> & matrix = N) |
| QGenericMatrix<N, M, T> | operator* (const QGenericMatrix<N, M, T> & matrix = N, T factor ) |
| QGenericMatrix<N, M, T> | operator+ (const QGenericMatrix<N, M, T> & m1 = N, const QGenericMatrix<N, M, T> & m2 = N) |
| QGenericMatrix<N, M, T> | operator- (const QGenericMatrix<N, M, T> & m1 = N, const QGenericMatrix<N, M, T> & m2 = N) |
| QGenericMatrix<N, M, T> | operator- (const QGenericMatrix<N, M, T> & matrix = N) |
| QGenericMatrix<N, M, T> | operator/ (const QGenericMatrix<N, M, T> & matrix = N, T divisor ) |
| QDataStream & | operator<< (QDataStream & stream , const QGenericMatrix<N, M, T> & matrix = N) |
| QDataStream & | operator>> (QDataStream & stream , QGenericMatrix<N, M, T> & matrix = N) |
QGenericMatrix 模板拥有 3 个参数：
| N | 列数。 |
| M | 行数。 |
| T | 类用户可见的元素类型。 |
另请参阅 QMatrix4x4 .
Constructs a matrix from the given N * M floating-point 值 . The contents of the array 值 is assumed to be in row-major order.
另请参阅 copyDataTo ().
构造 NxM 恒等矩阵。
Returns a constant pointer to the raw data of this matrix.
另请参阅 data ().
Retrieves the N * M items in this matrix and copies them to 值 in row-major order.
Returns a pointer to the raw data of this matrix.
另请参阅 constData ().
Returns a constant pointer to the raw data of this matrix.
另请参阅 constData ().
Fills all elements of this matrix with value .
返回
true
if this matrix is the identity; false otherwise.
另请参阅 setToIdentity ().
将此矩阵设为恒等。
另请参阅 isIdentity ().
Returns this matrix, transposed about its diagonal.
返回
true
if this matrix is not identical to
other
; false otherwise.
Returns a constant reference to the element at position ( row , column ) in this matrix.
Returns a reference to the element at position ( row , column ) in this matrix so that the element can be assigned to.
Multiplies all elements of this matrix by factor .
Adds the contents of other to this matrix.
Subtracts the contents of other from this matrix.
Divides all elements of this matrix by divisor .
返回
true
if this matrix is identical to
other
; false otherwise.
The QMatrix2x2 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 2 rows, and float as the element type.
The QMatrix2x3 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 3 rows, and float as the element type.
The QMatrix2x4 type defines a convenient instantiation of the QGenericMatrix template for 2 columns, 4 rows, and float as the element type.
The QMatrix3x2 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 2 rows, and float as the element type.
The QMatrix3x3 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 3 rows, and float as the element type.
The QMatrix3x4 type defines a convenient instantiation of the QGenericMatrix template for 3 columns, 4 rows, and float as the element type.
The QMatrix4x2 type defines a convenient instantiation of the QGenericMatrix template for 4 columns, 2 rows, and float as the element type.
The QMatrix4x3 type defines a convenient instantiation of the QGenericMatrix template for 4 columns, 3 rows, and float as the element type.
Returns the product of the NNxM2 matrix m1 and the M1xNN matrix m2 to produce a M1xM2 matrix result.
Returns the result of multiplying all elements of matrix by factor .
Returns the result of multiplying all elements of matrix by factor .
Returns the sum of m1 and m2 .
Returns the difference of m1 and m2 .
这是重载函数。
Returns the negation of matrix .
Returns the result of dividing all elements of matrix by divisor .
写入给定 matrix 到给定 stream 并返回流引用。
另请参阅 序列化 Qt 数据类型 .
Reads a NxM matrix from the given stream 进给定 matrix 并返回流引用。
另请参阅 序列化 Qt 数据类型 .
