All Manuals > CAPI User Guide and Reference Manual > 22 GRAPHICS-PORTS Reference Entries

rectangle-union Function

Summary

Returns the four values representing a union of two rectangles.

Package

graphics-ports

Signature

rectangle-union left-1 top-1 right-1 bottom-1 left-2 top-2 right-2 bottom-2 => left, top, right, bottom

Arguments
left-1
A real number.
top-1
A real number.
right-1
A real number.
bottom-1
A real number.
left-2
A real number.
top-2
A real number.
right-2
A real number.
bottom-2
A real number.
Values
left
A real number.
top
A real number.
right
A real number.
bottom
A real number.
Description

The function rectangle-union returns four values: the left, top, right and bottom of the union of the two rectangles specified by (left-1 top-1 right-1 bottom-1) and (left-2 top-2 right-2 bottom-2). The values input for the two rectangles are ordered by this function before it uses them.

See also

ordered-rectangle-union


CAPI User Guide and Reference Manual (Macintosh version) - 01 Dec 2021 19:31:44