title: How to add Effects/Filters to image iOS SDK
body: <p>i want to add effects for image as shown in attached image<img src="https://i.stack.imgur.com/vCKqH.png" alt="enter image description here"></p>
  
  <p>i don't have any idea how to do this.</p>
  
  <p>can any of you let me know.</p>