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From: swc@sys.uea.ac.uk (S.W. Cox CMP Staff)
Newsgroups: comp.sys.mac,comp.sys.mac.programmer
Subject: Mac II Palettes
Message-ID: <635@sys.uea.ac.uk>
Date: 11 Jul 89 15:27:07 GMT
Reply-To: swc@uea-sys.UUCP ()
Organization: University of East Anglia, Norwich
Lines: 14


The RGB colour entries in Mac II's palettes are supposed to be 0 - 65535
but when converted to the conventional range 0 .. 1  by:

	newcol.red := col.red/65535  etc

where newcol.red, green and blue are reals, it starts inserting negative
numbers (possibly -32767 to 32767 or something similar).

Can anybody think of a suitable assignment for going from the integers
to the reals (and vice versa) apart from adding and subtracting 32767 etc.

	Thanks, S Cox UEA Norwich, UK

				swc@uk.ac.uea.sys