Path: utzoo!utgpu!attcan!uunet!husc6!bloom-beacon!tut.cis.ohio-state.edu!osu-cis!att!chinet!mcdchg!clyde!watmath!watcgl!ksbooth
From: ksbooth@watcgl.waterloo.edu (Kelly Booth)
Newsgroups: comp.graphics
Subject: Re: Gray-scale antialiasing (yes, it can work)
Keywords: anti-aliasing text
Message-ID: <6628@watcgl.waterloo.edu>
Date: 5 Nov 88 16:16:31 GMT
References: <74013@sun.uucp> <148@internal.Apple.COM> <4763@mnetor.UUCP> <174@internal.Apple.COM> <19809@apple.Apple.COM> <515@voodoo.UUCP> <193@internal.Apple.COM>
Reply-To: ksbooth@watcgl.waterloo.edu (Kelly Booth)
Organization: U. of Waterloo, Ontario
Lines: 14

In article <193@internal.Apple.COM> flaig@Apple.COM (Charles Flaig) writes:
>In article <515@voodoo.UUCP> bhagwan@voodoo.UUCP (The Bhagwan) writes:
>>
>>  I can remember reading about this stuff in '80 and thinking "It won't be
>>  long now".
>A couple of years ago I was working on a project which involved an anti-aliased
>bitmapped font (4 bit planes).  One of the resources we used was a patent by
>Burroughs, I believed dated 1977, which dealt with antialiased text among
>other things.

This is probably the patent by Chuck Seitz.  The work at Xerox PARC that led
to Adobe ran afoul of this patent at one point -- the issue was whether the
patent, which described a hardware implementation, also covered the software
algorithms.