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From: kaufman@Neon.Stanford.EDU (Marc T. Kaufman)
Newsgroups: comp.sys.mac,comp.graphics
Subject: Re: Quickdraw regions
Message-ID: <1990Mar28.045914.17892@Neon.Stanford.EDU>
Date: 28 Mar 90 04:59:14 GMT
References: <8609@pt.cs.cmu.edu> <SEGAL.90Mar27182149@husc9.harvard.edu>
Organization: Computer Science Department, Stanford University
Lines: 11

.In article <8609@pt.cs.cmu.edu> lehmann@ss3a.cs.cmu.edu (Eric Lehmann) writes:

.     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

Try the May, 1987, issue of MacTutor for an explanation of Regions.

Marc Kaufman (kaufman@Neon.stanford.edu)