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From: hassan@INFORMATICS.WUSTL.EDU (Scott Hassan)
Newsgroups: comp.soft-sys.andrew
Subject: Drawing from an offscreen bitmap?
Message-ID: <IafRJt20z7FZRMTlw_@informatics.noname>
Date: 25 Jul 90 17:23:05 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 18


We are having problems with BitBlt working from an offscreen view.  We
were able to get it to work with an onscreen rasterview but that doesn't
help us much.  Does a source view have to be part of the view tree in
order for BitBlt to work properly?

We would like to be able to load a raster and then paint it to a view
without creating a sub-view(rasterview).

				Thanks,

				Scott Hassan
				hassan@informatics.wustl.edu
				Medical Informatics
				Department of Internal Medicine
				Washington University
				St. Louis, MO   63130
				(314) 362-3422