Convert PHP div tag into an Image

1. I have a drupal website which creates a badge for every single user using some code. This badge is wrapped inside a div tag. 2. This div tag is available only for logged in users. 3. I have isolated this div tag in the form of a single object on a page 4. I need this div tag to be converted into a jpg or png image 5. This image must be displayed on loading a specific page and should be saved as well. 6. The saving option is optional. 7. Also, given a url, this code should also be able to output a screenshot of the url based on the parameters passed. 8. Parameters: url, width,height,browser width, browser height,jpg/png 9. I am running a drupal website on a linux host. The code should work on this host and codebase. I know that there are many such utilities available online. But I do not have time to try and get one of those working. Thanks