Seems like it's not. In the same thread, a googler mentions it's done completely client side. http://stackoverflow.com/questions/4912092/using-html5-canvas-ja

Seems like it's not. In the same thread, a googler mentions it's done completely client side. http://stackoverflow.com/questions/4912092/using-html5-canvas-javascript-to-take-screenshots/6654253#6654253 http://stackoverflow.com/questions/4912092/using-html5-canva...