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From: JKT100@psuvm.psu.edu (JKT)
Newsgroups: comp.sys.amiga
Subject: Scaling algorithms
Message-ID: <90230.003722JKT100@psuvm.psu.edu>
Date: 18 Aug 90 04:37:22 GMT
Organization: Penn State University
Lines: 30

This request is posted for a friend.  Send any replies to me or post
here, but please don't ask me for clarification!   ;-)

>Does anyone know any fast-scaling algorithms (preferably written in
>C, but really doesn't matter)?  I need to convert Amiga IFF pics
>(all resolutions) to Targa format (512*512, 3 plans of 8-bit RGB) for
>a program I'm writing.  I have a bi-polar scaler right now which gets
>the job done, but is VERY slow...  takes 2-3 minutes to scale a plane.
>I have a routine to break the Amiga format down into the separate RGB
>planes that Targa takes, so all I need is a general-purpose scaler to
>scale the 640*200 or 320*400 etc. up to 512*512.
>
>Any ideas?  I realize this is a pretty specific request, but I know
>there is something out there since DPaint can scale fairly quickly,
>and I've seen the Art Department do scaling and it's a lot quicker
>than this.  Thanks!
>
>Jim, (716) 768-2028

So this is his request.  If anyone can help he'd appreciate it!

                                                            Kurt
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