I have to use Google Map for my iPhone project and I'am using GMSPolygon to draw a polygon but How can I fill everywhere on my map except the interior of the polygon. Like the image below.
Thank You.

I have to use Google Map for my iPhone project and I'am using GMSPolygon to draw a polygon but How can I fill everywhere on my map except the interior of the polygon. Like the image below.
Thank You.
