Path: utzoo!utgpu!watserv1!watmath!att!rutgers!apple!fernwood!lia!jgro
From: jgro@lia (Jeremy Grodberg)
Newsgroups: comp.graphics
Subject: Fast Image Scaling
Message-ID: <1990Oct18.014905.1846@lia>
Date: 18 Oct 90 01:49:05 GMT
Reply-To: jgro@lia.com (Jeremy Grodberg)
Lines: 15


Does anyone have any references on raster image scaling that is *FAST*,
even if it is slightly non-optimal.  I need to do arbitrary scaling of
1-bit-per-pixel images as fast as possible, and am not too concerned with
optimum averaging or stuffing of the reduced or expanded pixels.  What I
am concerned with is scaling a 2MB source image in 1-2 seconds on a 
SPARCstation.  Note that I can't take advantage of simple power-of-2
optimizations.

I know how to do this in a slow and laborious way, but how can this be
done quickly and efficiently?

-- 
Jeremy Grodberg      "I don't feel witty today.  Don't bug me."
jgro@lia.com