A graphics port.
A real number.
A real number.
A real number.
General graphics port drawing arguments.
A boolean.
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.
(gp:draw-circle port 100 100 20)
(gp:draw-circle port 100 100 50
:filled t
:foreground :green)