get-enclosing-rectangle Function

Summary

Returns the smallest rectangle enclosing the given points.

Package

graphics-ports

Signature

get-enclosing-rectangle &rest points => left, top, right, bottom

Arguments

points⇩

Real numbers.

Values

left	A real number.
top	A real number.
right	A real number.
bottom	A real number.

Description

The function get-enclosing-rectangle returns four values, describing the rectangle which exactly encloses the input points. points must be a (possibly empty) list of alternating x and y values. If no points are given the function returns the null (unspecified) rectangle, which is four nils.