khelonline/fundoo — Issue #2: Selecting regions from an image
Author: khelonline
Created: 2012-01-02 03:11:49+00:00
State: open

Check this out
http://marqueetool.net/examples/send-cropped-image-coordinates-to-the-server/
Understand the algorithm behind it.. and figure out how we can achieve
selecting any quadrilateral region out from this.. not just rectangle.