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Message-ID:	<436CF71A.5000903@cwilson.fastmail.fm>
Date:	Sat, 05 Nov 2005 13:16:58 -0500
From:	Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
User-Agent:	Mozilla Thunderbird 1.0.6 (Windows/20050716)
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To:	cygwin AT cygwin DOT com
Subject:	Re: NetPbm - xwdtopnm???
References:	<loom DOT 20051104T122322-127 AT post DOT gmane DOT org> <dkigod$k1s$1 AT sea DOT gmane DOT org>
In-Reply-To:	<dkigod$k1s$1@sea.gmane.org>

René Berber wrote:
> Vincent Nauwelaers wrote:
>>The ppmto... and pnmto... all seem to work, but "_ xwdtojpg _" the only method
>>to convert XWD-files doesn't seem to be there!
>>
>>Am I doing something wrong ? Am I forgetting something ?
 >
> BTW in Netpbm 10.28 (the last I compiled) there is no xwdtojpg, but there is
> xwdtopnm and pnmtojpeg.

The whole design of the netpbm suite of conversion tools is that they 
convert {your-format} to {netpbm-format} and vice versa.  That way, only 
2*N converters are needed, in order to perform any conversion between N 
different formats: e.g.

   xwd -> pnm -> jpg

requires xwdtopnm, and pnmtojpeg.  Thus, it's not surprising that netpbm 
doesn't explicitly provide 'xwdtojpg'.  A converter system designed 
along those lines would need N^2 different converters to do the job that 
netpbm does with only 2*N converters.

--
Chuck

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