It would be great to have a way to determine the first point at which a QLineF intersects a QPainterPath. This is useful in any application that requires ray casting (especially games).

http://stackoverflow.com/questions/9393672/intersection-point-of-qpainterpath-and-line-find-qpainterpath-y-by-x
http://stackoverflow.com/questions/17512547/finding-the-point-of-intersection-between-a-line-and-a-qpainterpath