title: Is there a convenient method converting `CGRect` from screen-space into specific view-space or vice-versa?
body: <p>There are predefined methods converting coordinates between</p>
  
  <ol>
  <li><code>UIView</code> &lt;-> <code>UIWindow</code></li>
  <li><code>UIWindow</code> &lt;-> <code>UIScreen</code></li>
  </ol>
  
  <p>How about <code>UIView</code> &lt;-> <code>UIScreen</code>? Is there <em>predefined</em> method in <code>UIKit</code>? I can make my own, however I want to use if there is predefined one.</p>