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From: lehmann@ss3a.cs.cmu.edu (Eric Lehmann)
Newsgroups: comp.sys.mac,comp.graphics
Subject: Quickdraw regions
Message-ID: <8609@pt.cs.cmu.edu>
Date: 27 Mar 90 03:04:08 GMT
Organization: Carnegie Mellon University, Pittsburgh, Pennsylvania
Lines: 6


  I am interested in learning how Quickdraw region operations work so
efficiently. In particular, I would like to find out how Quickdraw
determines if two regions overlap. Are there any articles explaining
how it works? Thanks.
				-Eric