L_Matrix_Set
Summary
Sets the values of the specified L_MATRIX structure.
Syntax
#include "LtPrimitives.h"
L_LTKRN_API L_VOID L_Matrix_Set(matrix, m11, m12, m21, m22, offsetX, offsetY)
Parameters
L_MATRIX* matrix
Pointer to the L_MATRIX to set.
L_DOUBLE m11
The value of the first row and first column.
L_DOUBLE m12
The value of the first row and second column.
L_DOUBLE m21
The value of the second row and first column.
L_DOUBLE m22
The value of the second row and second column.
L_DOUBLE offsetX
The value of the third row and first column.
The offsetX member is so named because it specifies the amount to translate the coordinate space along the x-axis.
L_DOUBLE offsetY
The value of the third row and second column.
The offsetY member is so named because it specifies the amount to translate the coordinate space along the y-axis.
Returns
None.
Comments
The L_MATRIX is stored using row-major order and has the following structure:
The members in the last row, offsetX and offsetY, represent translation values.
In functions and structure members, the transformation matrix is usually specified as a vector with only six members, as follows:
(m11, m12, m21, m22, offsetX, offsetY)
Required DLLs and Libraries
- LTKRN
- For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.
Platforms
Win32, x64, Linux.
See Also
Structures
Topics
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