Path: utzoo!utdoe!generic!pnet91!taob
From: taob@pnet91.cts.com (Brian Tao)
Newsgroups: comp.sys.apple2
Subject: Re: //gs graphics/music
Message-ID: <179@generic.UUCP>
Date: 14 Nov 90 20:45:04 GMT
Sender: root@generic.UUCP
Organization: People-Net [pnet91], Etobicoke, ON
Lines: 21

From parkern@jacobs.CS.ORST.EDU (Neil Parker):

> Actually, Apple Preferred Format uses the Miscellaneous Tool Set routine
> _PackBytes ($2603) to do the compression.  _PackBytes uses a form of run-
> length coding for compression--a bit less sophisticated than Huffman.

    Ah yes, that's right.  I remember reading about that in SHRConvert.  So
all you have to do is pass a few parameters to _UnPackBytes and it will
automatically decode the APF file?  The joy of using the Toolbox!  :)

    If that's the case, I wonder if Apple will integrate some sort of built-in
GIF encoder/decoder for QuickDraw II and the Misc. Tool Set.  Then we would be
able to load in GIF's directly to any paint program.


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