Hi , i need to create a  polygon in processing from a picture. The pic is a white shape over a black background, i need to convert that white shape from the pic into a polygon in processing.

I found this example that is  very similar from what i need and also you can understand what i need.

http://vimeo.com/9951522


how can i create something like this in processing? do anybody have tried something like this?


thanks


S.