title: how to draw alphabets and draw line on it by finger?
body: <p>I want to create letters and words dynamically on view and also I want to draw line on it by finger.</p>
  
  <p>For example I have letters like A as given in picture:</p>
  
  <p><img src="https://i.stack.imgur.com/bd1QN.png" alt="enter image description here"></p>
  
  <p>I would like to draw like this as given in picture:</p>
  
  <p><img src="https://i.stack.imgur.com/rhfgy.png" alt="enter image description here"></p>
  
  <p>The problem is that the line is drawn on the whole view. I want to find points contain letters and only draw line on letters contain points. if any idea or suggestion then let me know.</p>