Draws a circle with its middle point at (x
,
y
). The circle starts and ends at position
(x
+radius
,
y
). If this function is called outside a path it
will start a new path. If it is called within a path it will add the circle
as a subpath. If the last drawing operation does not end in point
(x
+radius
,
y
) then there will be a gap in the path.
Parameters
psdoc
Resource identifier of the postscript file
as returned by ps_new().