Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!ucbvax!decwrl!wsl.dec.com!klee
From: klee@wsl.dec.com (Ken Lee)
Newsgroups: comp.windows.x
Subject: Re: What's XDrawLines doing to me, anyway?
Keywords: bug bug bug
Message-ID: <2719@bacchus.dec.com>
Date: 10 Feb 90 02:09:14 GMT
References: <1544@husc6.harvard.edu>
Sender: news@decwrl.dec.com
Reply-To: klee@decwrl.dec.com
Distribution: usa
Organization: DEC Western Software Laboratory
Lines: 15

In article <1544@husc6.harvard.edu>, nowlin@gramian.harvard.edu (Bill
Nowlin) writes:
> Is there a problem (feature?) in XDrawLines that causes it to only
> draw a few of the data points and then happily return, claiming it has
> drawn them all?  I'm talking on the order of a thousand.

X is asynchronous.  There is no guarantee that the drawing will be done
when a draw function returns.  Further, unless you track expose events,
there is no guarantee that the drawing will appear on your screen.  If
you're careful, neither of these issues should be problems.

Ken Lee
DEC Western Software Laboratory, Palo Alto, Calif.
Internet: klee@wsl.dec.com
uucp: uunet!decwrl!klee