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From: dundas@granite.jpl.nasa.gov (John Dundas)
Newsgroups: comp.sys.mac.programmer
Subject: Re: GlobalToLocal() LocalToGlobal() information
Message-ID: <1991Mar7.203748.20407@jato.jpl.nasa.gov>
Date: 7 Mar 91 20:37:48 GMT
References: <3744.27CD13AE@stjhmc.fidonet.org> <23417@well.sf.ca.us>
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Reply-To: dundas@granite.Jpl.Nasa.Gov (John Dundas)
Organization: Jet Propulsion Laboratory, Pasadena, CA
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In MPW, the following macros perform the equivalent function to their
ROM counterparts.

#define	GLOBALTOLOCAL(_pt)	(((Point * )(_pt))->h += qd.thePort->portBits.bounds.left), \
				(((Point * )(_pt))->v += qd.thePort->portBits.bounds.top)
#define	LOCALTOGLOBAL(_pt)	(((Point * )(_pt))->h += -qd.thePort->portBits.bounds.left), \
				(((Point * )(_pt))->v += -qd.thePort->portBits.bounds.top)

John Dundas