title: Print an image into pdf file
body: <p>when user using my application for further use, he must be taking the screen shot of the application. When I click on the button the application screenshot need to be taken and store it in png or pdf file. Can any one tell me from where to start this.
  I goggled a lot.. but I didn't get any proper  samples.I tried using <code>http://html2canvas.hertzen.com</code>/ but failed to start from hear.</p>
  
  <p>Help is really appreciated..</p>