This is just a proof of concept application to manipulate images using HTML5 (canvas and WebWorkers), Cappuccino, and Atlas. The algorithm for resizing could be better, and the application was never actually finished. Demo at: http://timetableapp.com/TestingEnviro/CS215ImageU/
Me1000/Image-Manipulation--CS215-port-to-Cappuccino-
Pixel and image manipulation using HTML5 and Cappuccino
Objective-J