title: How to apply shadow effect on specific side of the parent view only in ios
body: <p>For applying shadow effect on view I am using the below code.  </p>
  
  <pre><code>func addShadowImage(parentview:UIView){
  
      parentview.layer.shadowColor = UIColor.redColor().CGColor
      parentview.layer.masksToBounds = false
  
      //for bottom shadow on view
      parentview.layer.shadowOffset = CGSizeMake(0,1.0)
      parentview.layer.shadowOpacity = 0.7
      parentview.layer.shadowRadius = 1.0
  
  
      //for bottom and right sides shadow on view
      parentview.layer.shadowOffset = CGSizeMake(1.0,1.0)
      parentview.layer.shadowOpacity = 1
      parentview.layer.shadowRadius = 1.0
  
  
      //for empty shadow on view
      parentview.layer.shadowOffset = CGSizeMake(0,0)
      parentview.layer.shadowOpacity = 1
      parentview.layer.shadowRadius = 0
  
      //for bottom and right and left sides shadow on view
      parentview.layer.shadowOffset = CGSizeMake(0,2.0)
      parentview.layer.shadowOpacity = 1
      parentview.layer.shadowRadius = 2.0
  
      //for four sides shadow on view
      parentview.layer.shadowOffset = CGSizeMake(0,0)
      parentview.layer.shadowOpacity = 1.0
      parentview.layer.shadowRadius = 5.0
  }
  </code></pre>
  
  <p>Now simply call the above function with parameter type is UIView
  self.addShadowImage(yourViewObject)</p>
  
  <p>Then it's working fine, But this shadow effected on all its subviews. </p>
  
  <p>So now I want to apply a shadow effect on specific view and specific side(i.e either left or right/bottom/top).</p>