The function get-enclosing-rectangle
returns four values, describing the rectangle which exactly encloses the input points.The
points
argument 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 nil
s.
CAPI User Guide and Reference Manual (Macintosh version) - 3 Aug 2017