[Digikam-devel] [Bug 274947] Auto-rotate/flip image does not work at import

[Peter Albrecht]

https://bugs.kde.org/show_bug.cgi?id=274947





--- Comment #24 from Peter Albrecht <px79 crazymonkeys de>  2011-06-22 21:46:49 ---
I would say the "gentoo-only" nature is based on the fact, that gentoo seems
one of few linux distros using libjpeg-80 in favour to libjpeg-62 at the
moment. (Or gentoo is one of few distros using 80 _and_ has users posting at
bugs.kde.org.)

I believe it's closely related to Bug #228483. So I think, you could help, too.

According to bug 228483 comment 24
(https://bugs.kde.org/show_bug.cgi?id=228483#c24) the following files have been
removed and replaced version-62 / version-80:
 - libs/jpegutils/transupp.cpp  
 - libs/jpegutils/transupp.h  

"transupp.h" contains the troublemaking structure: jpeg_transform_info
And its very different in version 62 and version 80.

The failed structure initialization (see comment 21) takes place at
"core/libs/jpegutils/jpegutils.cpp" (line 343). And jpegutils.cpp is _not_
splitted into version 62 and version 80. Maybe this is the problem.

I'm no expert at gentoo's unpack, prepare, configure, compile, ... process. 
I'm also no C(++) pro. So all I can do further is guessing or learning. ;)
But the latter would take some time...

The file header of "core/libs/jpegutils/jpegutils.cpp" says:
> ...
> Copyright (C) 2006-2011 by Gilles Caulier
> ...

Maybe that's hint to get help. ;)

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