Path: utzoo!utdoe!generic!pnet91!taob
From: taob@pnet91.cts.com (Brian Tao)
Newsgroups: comp.sys.apple2
Subject: Re: System Disk 5.0.3 and two observations
Message-ID: <140@generic.UUCP>
Date: 9 Nov 90 16:30:13 GMT
Sender: root@generic.UUCP
Organization: People-Net [pnet91], Etobicoke, ON
Lines: 24

From: toddpw@nntp-server.caltech.edu (Todd P. Whitesel)

> Bingo. Finder is trying to draw ALL the text for the ENTIRE directory
> without doing any form of trivial reject analysis on the visible text.
> Quickdraw on the GS has what I believe to be a serious yet silly algorithmic
> flaw -- it uses some really inefficient algorithm for processing regions and
> worse, does no pre-clipping at all, especially with text. Text is so slow
> because all the off screen text is still drawn, it just isn't actually
> transferred to the screen in the final step.
>
> My guess is that getting rid of this problem will take some major
> roto-rooting of Quickdraw, so we'll have to wait for system 6.

    How do word processing applications and NDA's like WriteIt and EgoEd
manage huge lists then?  The Finder should be able to use TextEdit to draw the
folder listings.  Do you know when a new version of the Finder is coming?  I
though for sure they would have fixed it for System 5.0.3.

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