title: Is there a property or API that changes UIView's coordinate system?
body: <p>I'm trying to make a line chart object.</p>
  
  <p>so, I searching various ways to change the UIView's coordinate system from left-up to left-down.</p>
  
  <p>First of all, I'd like to know if there is a function, method or property surppored by apple's API.</p>
  
  <p>Is there like this?</p>
  
  <p><img src="https://i.stack.imgur.com/LEg51.png" alt="enter image description here"></p>