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Mail Archives: djgpp/2000/06/03/05:15:56

From: Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: JPEG's and Allegro:Help!
Organization: Pin Eight Software http://pineight.8m.com/
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Date: Sat, 03 Jun 2000 00:45:58 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

On Fri, 02 Jun 2000 06:49:22 -0400, Radical NetSurfer
<radsmail AT juno DOT com> wrote:

>Can anyone tell me if they have had success in using
>I.J.G.'s  Jpeg6B compiled for   DJGPP, and Allegro
>Graphics to create a simple  Jpeg viewer that works
>from the command line?

I think there's an addon at http://www.allegro.cc built around the
IJG codec.

>I have been using one of the excellant sample programs
>that Jpeb6B generates, DJPEG.exe to convert a
>Jpeg to a bmp/tga, and then use Allegro to display
>the bmp/tga....
>this works, but would it not be REALLY NICE to not
>have to consume the extra harddrive space for a file,
>and just use the available RAM space to expand the
>JPEG in a bitmap/video_area, and then just switch
>to that video page.......right?

Not necessarily.  With your system, every time you have to redraw the
screen, you have to spend all the time re-decoding the JPEG file.
That takes time, probably less than swapping out parts of a bitmap to
disk.

-- 
Damian Yerrick
"I refuse to listen to those who refuse to listen to reason."
See the whole sig: http://www.rose-hulman.edu/~yerricde/sig.html

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