LispWorks CAPI Reference Manual > 2 GP Reference Entries

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clear-rectangle

Function
Summary

Draws a rectangle in the port's background color.

Package

graphics-ports

Signature

clear-rectangle port x y width height

Arguments

port

A graphics port.

x

A real number.

y

A real number.

width

A real number.

height

A real number.

Description

The clear-rectangle function draws the rectangle specified by x , y , width , and height in port 's background color. All other graphics state parameters are ignored.


LispWorks CAPI Reference Manual - 21 Dec 2009

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