Function

Summary

Transforms a list of points by a transform.

Package

graphics-ports

Signature

transform-points transform points &optional into => result

Arguments

transform

A transform.

points

A list of pairs of real numbers.

into

A list.

Values

result

A list of pairs of real numbers.

Description

The transform-points function transforms a list of alternating ( x y ) pairs in points by the transform . If into is supplied it is modified to contain the result and must be a list the same length as points . If into is not supplied, a new list is returned.