LispWorks CAPI Reference Manual > 2 GP Reference Entries

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

See also

ordered-rectangle-union


LispWorks CAPI Reference Manual - 21 Dec 2009

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