Proper use of UIRectClip to scale a UIImage down to icon size

Question

Given a UIImage of any dimension, I wish to generate a square \"icon\" sized version, px pixels to a side, without any distortion (stretching). How

Answer 1

wheeliebin answers is correct but he forgot a minus sign in front of destY

destRect = CGRectMake(0, -destY, destSize, destHeight);