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

rectangle-left Macro

Summary

Gets and set the left element of a rectangle.

Package

graphics-ports

Signature

rectangle-left rectangle => left

Arguments
rectangle
A rectangle.
Values
left
A real number.
Description

The macro rectangle-left returns and via setf sets the left element of rectangle. rectangle-left can also be used with setf to set the left element of rectangle.

rectangle is a list of numbers (left top right bottom).


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