Mail Archives: cygwin/2006/11/09/21:48:19
The jpeg package contains the Independent JPEG Group's libjpeg library
and various utility programs for manipulating jpeg files and images.
This is a routine update
jpeg-6b-12
libjpeg62-6b-12
libjpeg-devel-6b-12 (* new package)
CHANGES:
* Now using autotooled version of jpeg-6b from sourceforge
http://sourceforge.net/projects/libjpeg/
* Still using lossless compression patch from ImageMagick:
ftp://ftp.simplesystems.org/pub/ImageMagick/delegates/ljpeg-6b.tar.gz
* Replaced Mandrake jpeg RPM version of the 'lossless crop' patch
with versions of all current Debian patches, including:
+ an updated version of the lossless crop patch
+ This patch was taken by Debian directly from
http://sylvana.net/jpegcrop/. I had to modify it slightly
so that it would apply cleanly given the lossless *compression*
patch described above. The lossless crop patch is in fairly
widespread use (Red Hat, Mandriva, Debian, etc) and is
*distinct* from the 'lossless compression' patch, which has
been a part of the cygwin jpeg packages for ages.
+ man page updates for jpegtran reflecting the lossless crop options
+ c++ guards (cygwin jpeg-6b-11 already had this patch in
a different form)
+ locale fixes for rdjpegcom.exe (reading comments in jpeg files)
+ bugfix for byte order when reading 16bit samples from
ppm files (cjpeg.exe)
+ Two new programs (and man pages) for dealing with exif metadata:
+ jpegexiforient: reads and/or updates the EXIF orientation tag
if present.
+ exifautotran: using jpegtran and jpegexiforient, losslessly
rotates/tranposes EXIF images so that the orientation
becomes 1.
* Split headers, import libraries, and static libraries into
a separate 'libjpeg-devel' package. The main 'jpeg' package now
contains only utility programs, their man pages, and other
documentation.
* Switch to cygport build framework (note: requires patched cygport
http://cygwin.com/ml/cygwin/2006-11/msg00137.html)
--
Charles Wilson
jpeg volunteer maintainer for cygwin
To update your installation, click on the "Install Cygwin now" link on
the http://cygwin.com/ web page. This downloads setup.exe to your
system. Then, run setup and answer all of the questions.
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