path <-
fill_rule: {winding,even_odd}Determines which parts of a path that intersects itself, or that has
sub-paths, are inside. Using winding, a point is inside if
the path goes around it more often in one direction than in the other.
Using even_odd, a point is inside if a ray from it crosses
the path an odd number of times. The difference shows for a sub-path
inside another one, drawn the same way round: with
even_odd it is a hole. The rule is also used by path->inside
and for selecting a filled path with the mouse.
Defaults: winding
