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From: stew@endor.harvard.edu (Stew Rubenstein)
Newsgroups: comp.sys.mac
Subject: Re: How Many Colors?
Message-ID: <2930@husc6.UUCP>
Date: Sun, 4-Oct-87 12:27:23 EDT
Article-I.D.: husc6.2930
Posted: Sun Oct  4 12:27:23 1987
Date-Received: Wed, 7-Oct-87 05:45:03 EDT
References: <2927@husc6.UUCP>
Sender: news@husc6.UUCP
Reply-To: stew@endor.UUCP (Stew Rubenstein)
Organization: Aiken Computation Lab Harvard, Cambridge, MA
Lines: 18
Keywords: Color, QuickDraw, Depth

In article <2927@husc6.UUCP> singer@endor.UUCP (Richard Siegel) writes:
>How does one tell how many bits per pixel are set in the Control Panel?
>I know that it's possible, because I see demos that refuse to run
>unless 8 bits per pixel (256 colors) are set up -- they display a
>message saying "8 bits per pixel required" if it isn't set up.
>
>I assume I'm missing something from IM 5; can anyone set me straight?
>
>		--Rich

Look at the routine GetMaxDevice, on page 37 of the March APDA draft IM V.
You can also look at the pixelSize field in the PixMap for a CGrafPort or
GDevice.

Stew Rubenstein
Cambridge Scientific Computing, Inc.
UUCPnet:    seismo!harvard!rubenstein            CompuServe: 76525,421
Internet:   rubenstein@harvard.harvard.edu       MCIMail:    CSC