Save a html content as bitmap in flash

There is possible to save as image a html content which is "under" flash of object ?

I want to take a screenshot of web page and add 开发者_开发问答text or graphics then save it to file.

Thanks.

I'm currently working on a project that does just this with pure JavaScript, you're welcome to check out the source: https://github.com/cwolves/CanvasRenderer