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 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)