The translation in x direction.
@param dy
The translation in y direction.
+
+ @code
+ // | 1 0 0 | | m_11 m_12 0 |
+ // matrix' = | 0 1 0 | x | m_21 m_22 0 |
+ // | dx dy 1 | | m_tx m_ty 1 |
+ @endcode
*/
void Translate(wxDouble dx, wxDouble dy);
Scaling in x direction.
@param yScale
Scaling in y direction.
+
+ @code
+ // | xScale 0 0 | | m_11 m_12 0 |
+ // matrix' = | 0 yScale 0 | x | m_21 m_22 0 |
+ // | 0 0 1 | | m_tx m_ty 1 |
+ @endcode
*/
void Scale(wxDouble xScale, wxDouble yScale);
void Mirror(int direction = wxHORIZONTAL);
/**
- Add counter clockwise rotation to this matrix.
+ Add clockwise rotation to this matrix.
- @param ccRadians
- Rotation angle in radians.
+ @param cRadians
+ Rotation angle in radians, clockwise.
+
+ @code
+ // | cos sin 0 | | m_11 m_12 0 |
+ // matrix' = | -sin cos 0 | x | m_21 m_22 0 |
+ // | 0 0 1 | | m_tx m_ty 1 |
+ @endcode
*/
- void Rotate(wxDouble ccRadians);
+ void Rotate(wxDouble cRadians);
/**
Applies this matrix to the point.
The point receiving the transformations.
@return The point with the transformations applied.
+
+ @code
+ // | m_11 m_12 0 |
+ // point' = | src.m_x src._my 1 | x | m_21 m_22 0 |
+ // | m_tx m_ty 1 |
+ @endcode
*/
wxPoint2DDouble TransformPoint(const wxPoint2DDouble& p) const;
void TransformPoint(wxDouble* x, wxDouble* y) const;
/**
- Applies the linear part of this matrix, i.e. without translation.
+ Applies the linear part of this matrix, i.e.\ without translation.
@param p
The source receiving the transformations.
@return The source with the transformations applied.
+
+ @code
+ // | m_11 m_12 0 |
+ // dist' = | src.m_x src._my 0 | x | m_21 m_22 0 |
+ // | m_tx m_ty 1 |
+ @endcode
*/
wxPoint2DDouble TransformDistance(const wxPoint2DDouble& p) const;
void TransformDistance(wxDouble* dx, wxDouble* dy) const;