zoom/rotate image in a task

We are upgrading from webMethods 6.0.1 to 8.0 !! We have a workflow in which user sees images on the screen and approves them.

In 6.0.1, there is functionality to zoom/rotate/flip images displayed on the user screen.

How do I achieve this functionality in the new task engine? Do I have to write my own java scripts to manipulate the image? Has anyone done anything similar can share the experience please?