Anti-aliased Lines And Optimizing Code for Windows Phone 7–First Look

Some (long) time ago I decided to port Fantasia Painter to Windows Phone 7. When I ran it on an actual device (my friend’s, no I don’t have it yet unfortunately) last week, updating the screen while painting had about 0.5 second lag. This lag is quite unacceptable for a painting app. Here’s how I fixed it.