title: crop free hand selected part of image
body: <p>I wants to add cropping fature in my ANDROID app. I know there are deafault cropping feature available in gallery but in them only rectangular or circular selection of area is possible. I wants to selected any part of image with free hand and them crop the selected part of image from original image. for example selecting head part of an complete human picture and then crop it. See below what i wants.</p>
  
  <p>BEFORE</p>
  
  <p><img src="https://i.stack.imgur.com/hQRe1.jpg" alt="enter image description here"></p>
  
  <p>AFTER </p>
  
  <p><img src="https://i.stack.imgur.com/40tNm.jpg" alt="enter image description here"></p>
  
  <p>Please help me and also sugest if any free lib is there.</p>
  
  <p>Thanks</p>