A graphics port
A description sequence
A boolean
A boolean
A keyword
General graphics port drawing arguments
The draw-polygon
function draws a polygon using alternating x and y values in the points argument as the vertices. When closed is non- nil
the edge from the last vertex to the first to be drawn. When filled is non- nil
a filled, closed polygon is drawn; the closed argument is ignored if filled is non- nil
. transform, foreground, background, operation, thickness, scale-thickness, dashed, dash, line-end-style, line-joint-style , stipple, pattern , mask-x, mask-y , and mask from the port 's graphics state are all used. The fill-rule specifies how overlapping regions are filled. Possible values are :even-odd
and :winding
.