I wouldn't worry too much about it. I worked out a very affordable licensing deal with Apple to use their patented Alpha Blending technology whenever I do graph

I wouldn't worry too much about it. I worked out a very affordable licensing deal with Apple to use their patented Alpha Blending technology whenever I do graphics work: http://www.google.com/patents/US5379129 http://www.google.com/patents/US5379129 It comes out to mere pennies per frame rendered!