title: How round and resize photo and set it into custom marker of Google Map API V3
body: <p>i want to create custom map marker for Google Map by combining two images <code>marker_bg</code> and <code>marker_pic</code> how i can do. <code>Marker_bg</code> will marker with empty space inside which will fill by <code>marker_pic</code>.</p>
  
  <p>Round pic and set it into marker?</p>
  
  <p><img src="https://i.stack.imgur.com/4DnJp.png" alt="enter image description here"></p>
  
  <p>i'm using following technologies;</p>
  
  <ul>
  <li>HTML5/JAVASCRIPT/CSS3</li>
  <li>Polymer#0.5</li>
  <li>Google Map API V3</li>
  <li>PHP</li>
  </ul>