Path: utzoo!utgpu!attcan!uunet!husc6!mailrus!purdue!decwrl!labrea!polya!kaufman
From: kaufman@polya.Stanford.EDU (Marc T. Kaufman)
Newsgroups: comp.graphics
Subject: Re: Gray-scale antialiasing (yes, it can work)
Keywords: anti-aliasing text
Message-ID: <4848@polya.Stanford.EDU>
Date: 4 Nov 88 05:35:35 GMT
References: <74013@sun.uucp> <148@internal.Apple.COM> <4763@mnetor.UUCP> <174@internal.Apple.COM> <19809@apple.Apple.COM> <515@voodoo.UUCP>
Reply-To: kaufman@polya.Stanford.EDU (Marc T. Kaufman)
Organization: Stanford University
Lines: 12

In article <515@voodoo.UUCP> bhagwan@voodoo.UUCP (The Bhagwan) writes:

>  True enough...but....consider subpixel positioning. You'll need additional
>  bitmaps for this. If you want 1/4 pixel positioning, you need 4 bitmaps.
>  No big deal, memory's cheap!

I don't think you want subpixel positioning.  If you have it, you get 4
different appearances for each letter.  Better is to correct stems to pixel
boundaries, then use gray mostly for curves and diagonals.  You don't get
fine fractional positioning, but you can easily read very small characters.

Marc Kaufman (kaufman@polya.stanford.edu)