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[Bug 228056] New: digiKam doesn't autorotate images anymore - kipi-plugin problem?

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[Bug 228056] New: digiKam doesn't autorotate images anymore - kipi-plugin problem?

https://bugs.kde.org/show_bug.cgi?id=228056

Summary: digiKam doesn't autorotate images anymore -
kipi-plugin problem?
Product: digikam
Version: unspecified
Platform: Archlinux Packages
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
AssignedTo: [hidden email]
ReportedBy: [hidden email]

Version: 1.1.0-1 (using KDE 4.3.4)
Compiler: gcc 4.4.3-1? Binary packages compiled by Arch Linux devs
OS: Linux
Installed from: Archlinux Packages

On 2/8/10, I did a full system upgrade of my Arch Linux install (pacman -Syu)
which among many other things upgraded digiKam 1.0.0-1 -> 1.1.0-1. I'm using
kernel 2.6.32.7 SMP with KDE 4.3.4.

Before this upgrade:

* digiKam appeared to have automatically rotated images taken in portrait
orientation when it downloaded them from the camera and had displayed them in
the correct orientation within digiKam.

* Other programs (Gwenview, GQView, GIMP, photoShow, KolourPaint, Okular,
Firefox, Thunderbird) also display them in the correct orientation, including
Thunderbird when I attach them to emails, to be displayed inline.

* When I look at the EXIF metadata of these images, under "Orientation" it says
"top, left" for all of them, and they are all correctly displayed in the proper
orientation by all of these programs, regardless of whether they were taken in
landscape or portrait orientation.

* In digiKam's Config Settings>EXIF Actions, both "Show images/thumbnails
rotated according to orientation tag" and "Set orientation tag to normal after
rotate/flip" are checkmarked.

* The only files that were ever written by digiKam to the album directory were
files with the names IMG_xxxx.JPG.

* According to my install log file, the currently installed version of libkipi
is v. 0.1.6-2 (installed in 08/2008 and never upgraded). There is no record of
kipi-plugins ever having been installed (before the upgrade).

After this upgrade:

* digiKam still seems to flash a message "EXIF rotated ..." every time it
downloads an image taken in portrait orientation from the camera, and it also
displays them correctly.

* Gwenview and ShowPhoto also display images taken in portrait format after
this upgrade correctly. However, GQView, KolourPaint, Okular, Firefox and
Thunderbird display these images incorrectly, i.e. in landscape format, 90 deg
cw rotated from the way they should be.

* GIMP also displays them in the same incorrect way, and for these images it
says "According to the EXIF data, this image is rotated" and "Would you like
GIMP to rotate it into the standard orientation?" When I then click on
"Rotate", GIMP does rotate it and shows it in the correct orientation.

* When I look at the EXIF metadata of images taken and downloaded after the
upgrade, under "Orientation" it says "left, bottom" for the images taken in
portrait orientation and "top, left" for those taken in landscape orientation.
Portrait images saved in GIMP after I'd clicked on "Rotate", are now displayed
correctly by all programs and the EXIF orientation tag now reads "top, left".

* In digiKam's Config Settings>EXIF Actions, both "Show images/thumbnails
rotated according to orientation tag" and "Set orientation tag to normal after
rotate/flip" are still checkmarked.

* digiKam now also writes a file .digikam-exifrotate-xxxx.jpg of 4-12 KB size
to the album directory for every image downloaded that was taken in portrait
format (and supposedly rotated). The numbers xxxx in these
.digikam-exifrotate-xxxx.jpg files do not match the numbers xxxx of the
corresponding IMG_xxxx.JPG image files.

* When I looked at Settings>Configure digiKam>Kipi Plugins in the new version
1.1.0-1, it said "No Kipi plugins found". The Arch program for listing
installed packages (pacman - Q kipi-plugins) also said ""kipi-plugins" not
found". I then installed kipi-plugins from the mainstream extra repo without
any apparent problems which installed the following four targets:
libusb1-1.0.6-1, libdc1394-2.1.0-1, opencv-2.0.0-4, kipi-plugins-1.1.0-1.

* When I then looked at Kipi Plugins in Settings, I now find 25 of them
installed and accessible from the main interface, all of them checkmarked,
incl. one called "JPEGLossless (A tool to rotate/flip images without losing
quality)". Yet after installing all these plugins, the behavior of digiKam did
not change in the slightest from what I described in the preceding paragraphs
("after the upgrade").

In sum, it looks to me as though digiKam v. 1.1.0-1, when it downloads photos
taken in portrait orientation, rewrites EXIF metadata saying the image has been
rotated (at least that's what GIMP diagnoses) but it doesn't set the
orientation tag to normal ("top, left") after the rotation. digiKam, showPhoto
and Gwenview are still able to rotate such images and display them correctly
but the other programs seem to go by the unaltered EXIF orientation tag and
hence display these images incorrectly. Since this retagging appears to be the
job of the Kipi JPEGLossless plugin, one would conclude that there is something
wrong with this plugin. How I managed to have digiKam v. <1.1.0 handle all of
this correctly without having a Kipi plugin installed I don't understand.

Many thanks for your wonderful work on KDE which I have enjoyed in Linux since
2003. This is my first KDE bug report.

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Gilles Caulier-4

[Bug 228056] digiKam doesn't autorotate images anymore - kipi-plugin problem?

https://bugs.kde.org/show_bug.cgi?id=228056

Gilles Caulier <[hidden email]> changed:

What |Removed |Added
----------------------------------------------------------------------------
Component|general |Thumbnails
Version|unspecified |1.1.0

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Marcel Wiesweg