PICT, there's a blast from the past. Way back at my first job I ported our visual graph editor to the Macintosh. Scrolling was very slow at first due to continu

PICT, there's a blast from the past. Way back at my first job I ported our visual graph editor to the Macintosh. Scrolling was very slow at first due to continuously redrawing the graph, until I started saving it to a PICT as a sort of cache. Worked great, the Mac could draw a PICT very quickly.