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content-class:	urn:content-classes:message
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Subject:	RE: ATTN: jpeglib maintainer
Date:	Fri, 22 Jul 2005 08:39:29 +0200
Message-ID:	<F0D7281DAB048B438E8F5EC4ECEFBDDC4E7702@esmail.elsag.de>
From:	=?iso-8859-1?Q?J=F6rg_Schaible?= <Joerg DOT Schaible AT Elsag-Solutions DOT com>
To:	<cygwin AT cygwin DOT com>
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Reply-To:	cygwin AT cygwin DOT com
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id j6M7KcxG024282

Hi Chuck,

Charles Wilson wrote on Friday, July 22, 2005 12:22 AM:
[snip]
> 
> So, what to do?  On cygwin, I think you just need to do something
> like this: 
> 
> #ifdef __CYGWIN__
> # define CHECK_PROGRESSIVE(cinfo) (cinfo->process ==
> JPROC_PROGRESSIVE) #else # define CHECK_PROGRESSIVE(cinfo)
> (cinfo->progressive_mode) #endif
> 
> and replace all accesses to progressive_mode with this macro.

Thanks for explanation. Your suggested method works.

>  Note that you'll also need to do something similar for the
> change:  'width_in_blocks' --> 'width_in_data_units'
> 'height_in_blocks' --> 'height_in_data_units' But search the
> archives for more information about these two beasties.
> 
> There has been some movement in recent months on the jpeglib
> mailing list about rolling out a jpeg-6c (and possibly a
> jpeg-7).  It is an open question whether that process may
> eventually fold something like lossless jpeg into the main
> codebase in a non-disruptive way.  We'll just have to wait and see.

:)

- Jörg

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