LispWorks CAPI Reference Manual > 2 GP Reference Entries

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draw-circle

Function
 
Summary

Draws a circle.

Package

graphics-ports

Signature

draw-circle port x y radius &rest args &key filled

Arguments

port

A graphics port.

x

A real number.

y

A real number.

radius

A real number.

args

General graphics port drawing arguments.

filled

A boolean.

Description

The draw-circle function draws a circle of the given radius centered on ( x y ). The transform , foreground , background , operation , thickness , scale-thickness , and mask from the port's graphics state (see make-graphics-state) are all used. When filled is non- nil , the circle is filled with the foreground color.

Example
(gp:draw-circle port 100 100 20)
(gp:draw-circle port 100 100 50
                       :filled t
                       :foreground :green)

LispWorks CAPI Reference Manual - 21 Dec 2009

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