untransform-point Function

Summary

Transforms a point by multiplying it by the inverse of a given transform.

Package

graphics-ports

Signature

untransform-point transform x y => x2, y2

Arguments

transform⇩	A transform.
x⇩	A real number.
y⇩	A real number.

Values

x2	A real number.
y2	A real number.

Description

The function untransform-point transforms the point (x y) by effectively multiplying it by the inverse of transform. The transformed point is returned as two values.