Re: jpg reader

[91487441@cpccux0.cityu.edu.hk (Thomas)]

Leif Strand (eaiu636@rigel.oac.uci.edu) wrote:
: In article <3irbhd$3sj@pcnet1.pcnet.com>,
: David Hickey-Schiappa <altair4@pcnet.com> wrote:
: >     I have found and am successfully using iigif, but since so many pics 
: >seem to be posted in jpg format, I'm wondering if someone has written a 
: >program, which will run on an apple IIe, to either read or convert jpg's to 
: >gif's or some other format which can then be processed for reading by the 
: >apple?  Failing that, how about a conversion program which I can run from 
: >the Unix C-shell?  Thanks.

: There is a program on one of my Unix shell accounts here at the university
: called "djpeg".  You can use it to convert from jpeg to gif using the "G"
: option:

:   djpeg -G foo.jpeg >foo.gif

: Even though I have a GS, I use this all the time, because the jpeg reader
: for the GS can't save the conversion, and the GS jpeg-to-gif converters are
: slow and buggy.  So even if there is a jpeg converter/reader for the //e,
: you probably wouldn't want to use it (it would probably be worse than the
: GS ones, which is pretty damn bad).

: The only problem is that djpeg is apparently not standard on all Unix
: systems.  In the "man" page, there are the following lines:

: >AVAILABILITY
: >     Available on the Suns and Sequents.

: Which I guess is why it's on my computer science account (a Sun account)
: and not on my general university account (neither a Sun nor a Sequent
: account).  I assume if it isn't available on the Unix account you use, you
: could get the source somewhere and compile it; I don't know where the
: source is available, but here are some informative lines from the very end
: of the "man" page:

: >BUGS
: >     Please report any  problems  with  this  software  to  jpeg-
: >     info@uunet.uu.net.
: >
: >AUTHOR
: >     This software is the work of  Tom  Lane,  Philip  Gladstone,
: >     Luis Ortiz, and other members of the independent JPEG group.
: >
: >Public Software   Last change: 9 December 1991                  1


: --Leif Strand
	The source code of djpeg can be found in the ftp site:
	ftp.uu.net but I forgot the directory....

Thomas