Function References > L_Matrix_ScaleAtPrepend

L_Matrix_ScaleAtPrepend

#include "LtPrimitives.h"

L_LTKRN_API L_VOID L_Matrix_ScaleAtPrepend(matrix, scaleX, scaleY, centerX, centerY)

L_MATRIX* matrix;	pointer to the structure to set
L_DOUBLE scaleX;	x scale factor
L_DOUBLE scaleY;	y scale factor
L_DOUBLE centerX;	The x-coordinate
L_DOUBLE centerY;	The y-coordinate

Prepends the specified scale about the specified point of the specified L_MATRIX.

Parameter	Description
matrix	Pointer to the L_MATRIX that will be set.
scaleX	The value by which to scale the L_MATRIX along the x-axis.
scaleY	The value by which to scale the L_MATRIX along the y-axis.
centerX	The x-coordinate of the scale operation's center point.
centerY	The y-coordinate of the scale operation's center point.