In OS X 10.7 and iOS 5.0, Apple added an inconspicuous new function named CGPathCreateCopyByStrokingPath() to the Core Graphics framework. As the documentation says and the name implies, this function [c]reates a stroked copy of another path. … The new path is created so that filling the new path draws the same pixels as stroking the original path. Sounds like a pretty obscure function that is rar