title: cameraOverlayView to crop the result in UIImagePickerController
body: <p>When I use <code>UIImagePickerController</code> with <code>cameraOverlayView</code>, can I get the only a selective region from my overlay view?</p>
  
  <p><a href="http://tinyurl.com/2fqy9nq" rel="nofollow noreferrer">http://tinyurl.com/2fqy9nq</a></p>