Your message dated Wed, 05 Sep 2007 22:29:14 +0000
with message-id <[EMAIL PROTECTED]>
and subject line Bug#437453: fixed in libjpeg6b 6b-14
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--- Begin Message ---
Package: libjpeg-progs
Version: 6b-13
Severity: normal
Tags: patch
The long option list in the jpegtran(1) man page is heavily divided
into paragraphs -- some belonging with a certain option, some serving
as into to a whole subsection of the options.
Indenting the paragraphs to match the option they belong to improves
readability a lot, in my humble opinion. I include a patch which does
that.
The patch also makes the man page mention which option preserves Exif
comments -- I keep forgetting and have to experiment to remember.
--- jpegtran.1.orig 2007-08-12 18:26:06.000000000 +0200
+++ jpegtran.1 2007-08-12 18:23:58.000000000 +0200
@@ -91,12 +91,12 @@
.TP
.B \-transverse
Transverse transpose (across UR-to-LL axis).
-.PP
+.IP
The transpose transformation has no restrictions regarding image dimensions.
The other transformations operate rather oddly if the image dimensions are not
a multiple of the iMCU size (usually 8 or 16 pixels), because they can only
transform complete blocks of DCT coefficient data in the desired way.
-.PP
+.IP
.BR jpegtran 's
default behavior when transforming an odd-size image is designed
to preserve exact reversibility and mathematical consistency of the
@@ -108,7 +108,7 @@
of transpose and flip operations; for consistency, their actions on edge
pixels are defined to be the same as the end result of the corresponding
transpose-and-flip sequence.
-.PP
+.IP
For practical use, you may prefer to discard any untransformable edge pixels
rather than having a strange-looking strip along the right and/or bottom edges
of a transformed image. To do this, add the
@@ -117,7 +117,7 @@
.TP
.B \-trim
Drop non-transformable edge blocks.
-.PP
+.IP
Obviously, a transformation with
.B \-trim
is not reversible, so strictly speaking
@@ -130,7 +130,7 @@
followed by
.B \-rot 180 -trim
trims both edges.
-.PP
+.IP
If you are only interested by perfect transformation, add the
.B \-perfect
switch:
@@ -138,8 +138,9 @@
.B \-perfect
Fails with an error if the transformation is not perfect. For example
you may want to do
-.TP
+.IP
.B (jpegtran \-rot 90 -perfect foo.jpg || djpeg foo.jpg| pnmflip \-r90 | cjpeg)
+.IP
to do a perfect rotation if available or an approximated one if
not.
.PP
@@ -151,25 +152,24 @@
corner up and/or left to make it so, simultaneously increasing the region
dimensions to keep the lower right crop corner unchanged. (Thus, the
output image covers at least the requested region, but may cover more.)
-
+.IP
Note:
.B \-perfect
and
.B lossless-crop
are enhancements from http://sylvana.net/jpegcrop/ that may not be available on
non-Debian systems.
-
+.PP
The image can be losslessly cropped by giving the switch:
.TP
.B \-crop WxH+X+Y
Crop to a rectangular subarea of width W, height H starting at point X,Y.
.PP
-.PP
Another not-strictly-lossless transformation switch is:
.TP
.B \-grayscale
Force grayscale output.
-.PP
+.IP
This option discards the chrominance channels if the input image is YCbCr
(ie, a standard color JPEG), resulting in a grayscale JPEG file. The
luminance channel is preserved exactly, so this is a better method of reducing
@@ -193,9 +193,11 @@
.TP
.B \-copy all
Copy all extra markers. This setting preserves miscellaneous markers
-found in the source file, such as JFIF thumbnails and Photoshop settings.
+found in the source file, such as
+Exif data,
+JFIF thumbnails and Photoshop settings.
In some files these extra markers can be sizable.
-.PP
+.IP
The default behavior is
.BR "\-copy comments" .
(Note: in IJG releases v6 and v6a,
-- System Information:
Debian Release: 4.0
APT prefers stable
APT policy: (500, 'stable')
Architecture: powerpc (ppc)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-3-powerpc
Locale: LANG=sv_SE, LC_CTYPE=sv_SE (charmap=ISO-8859-1)
--- End Message ---
--- Begin Message ---
Source: libjpeg6b
Source-Version: 6b-14
We believe that the bug you reported is fixed in the latest version of
libjpeg6b, which is due to be installed in the Debian FTP archive:
libjpeg-progs_6b-14_amd64.deb
to pool/main/libj/libjpeg6b/libjpeg-progs_6b-14_amd64.deb
libjpeg62-dbg_6b-14_amd64.deb
to pool/main/libj/libjpeg6b/libjpeg62-dbg_6b-14_amd64.deb
libjpeg62-dev_6b-14_amd64.deb
to pool/main/libj/libjpeg6b/libjpeg62-dev_6b-14_amd64.deb
libjpeg62_6b-14_amd64.deb
to pool/main/libj/libjpeg6b/libjpeg62_6b-14_amd64.deb
libjpeg6b_6b-14.diff.gz
to pool/main/libj/libjpeg6b/libjpeg6b_6b-14.diff.gz
libjpeg6b_6b-14.dsc
to pool/main/libj/libjpeg6b/libjpeg6b_6b-14.dsc
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Bill Allombert <[EMAIL PROTECTED]> (supplier of updated libjpeg6b package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Thu, 16 Aug 2007 22:59:21 +0200
Source: libjpeg6b
Binary: libjpeg62 libjpeg62-dbg libjpeg62-dev libjpeg-progs
Architecture: source amd64
Version: 6b-14
Distribution: unstable
Urgency: low
Maintainer: Bill Allombert <[EMAIL PROTECTED]>
Changed-By: Bill Allombert <[EMAIL PROTECTED]>
Description:
libjpeg-progs - Programs for manipulating JPEG files
libjpeg62 - The Independent JPEG Group's JPEG runtime library
libjpeg62-dbg - Development files for the IJG JPEG library
libjpeg62-dev - Development files for the IJG JPEG library
Closes: 376371 383379 437446 437453
Changes:
libjpeg6b (6b-14) unstable; urgency=low
.
* The "Lino" release.
* exifautotran:
- fix typo in manpage. closes: #376371, thanks Reuben Thomas.
- preserve file mode. closes: #383379, thanks Vincent Arkesteijn.
* debian/control, debian/rules, debian/compat:
+ switch to debhelper v5
+ add libjpeg-dbg debugging package.
* debian/rules: remove - before "make clean" rules.
* Add patch 204_jpegtran_man to improve readability of manpage.
closes: #437453. Thanks Jorgen Grahn.
* jpegexiforient.1: Apply patch from Jorgen Grahn to improve formatting.
closes: #437446.
Files:
15f38412ee799c32ad00a0b66efddb45 642 graphics optional libjpeg6b_6b-14.dsc
97b7880b526145e6b8146de625bca32b 50304 graphics optional
libjpeg6b_6b-14.diff.gz
b0c9d28683e917006ae378c4f0563f47 89434 libs optional libjpeg62_6b-14_amd64.deb
ddecc6ed2f46005cdcd86ca79ae7a2bd 195134 libdevel optional
libjpeg62-dev_6b-14_amd64.deb
9ab8df645bb34759f1e929a7f4f899ee 232642 libdevel extra
libjpeg62-dbg_6b-14_amd64.deb
b5b87de96809fdd5d536d5f87977e69a 80302 graphics optional
libjpeg-progs_6b-14_amd64.deb
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--- End Message ---
