Optimizing a drawing (with finger touches) application for iPhone SDK

Question

I\'m writing an application that uses your finger to draw simple diagrams. I have it working for the most part but now I\'m trying to optimize its performance. When the user swi

Answer 1

I tried adding

CGContextSetLineJoin(UIGraphicsGetCurrentContext(), kCGLineJoinRound);

but this did nothing. Looks like we'll have to figure out bezier curves