Article View: comp.sys.amiga.tech
Article #13406Re: Double-Buffering in a window
From: J I L Gold
Date: Wed, 10 Jan 1990 13:41
Date: Wed, 10 Jan 1990 13:41
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In article <897@mindlink.UUCP> a464@mindlink.UUCP (Bruce Dawson) writes: > > All of the windows in a screen share the same bitmap (at least for their >visible portions, which is what you're interested in). So, if you want to >double buffer one window, you've got to double buffer all of them. The entire >screen gets flipped all at once. So, unless you first copy the contents of the >entire screen to the hidden buffer, the other windows are going to flashing on >and off as you flip bitmaps. > However you do have access to the layers through CopySBitMap() and SyncSBitMap() which I'm reliably informed do the job nicely! -- J.Gold | mapjilg@uk.ac.bath.gdr -- #------------------------------------------------------------------------------# # Paranoia is thinking that if something CAN'T go wrong it will still go wrong.# #------------------------------------------------------------------------------# # J.Gold | mapjilg@uk.ac.bath.gdr #
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uunet!mcsun!ukc!dcl-cs!gdt!gdr!mapjilg From: mapjilg@gdr.bath.ac.uk (J I L Gold) Newsgroups: comp.sys.amiga.tech Subject: Re: Double-Buffering in a window Message-ID: <1990Jan10.134148.21435@gdt.bath.ac.uk> Date: 10 Jan 90 13:41:48 GMT References: <897@mindlink.UUCP> Reply-To: mapjilg@gdr.bath.ac.uk (J I L Gold) Organization: University of Bath, England Lines: 20