title: How to generate an Barcode and convert it to Bitmap using new Google Vision API?
body: <p>How to generate an Barcode and convert it to Bitmap using new Google Vision API?</p>
  
  <pre><code>Barcode barcode = new Barcode();
  Barcode.Email email = new Barcode.Email();
  email.address = "my_email@gmail.com";
  email.subject = "My Subject;
  email.body = "My body content.";
  barcode.email = email;
  </code></pre>
  
  <p>//Implement conversion
      Bitmap barcodeImage = barcodeToBitmap(barcode);// I do know this part.</p>