https://bugs.kde.org/show_bug.cgi?id=373897

Frank Steinmetzger <war...@gmx.de> changed:

           What    |Removed                     |Added
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                 CC|                            |war...@gmx.de

--- Comment #8 from Frank Steinmetzger <war...@gmx.de> ---
I discovered this issue in current Gwenview a while ago. I use this feature a
lot when editing screenshots from my android phone. It happens often, but not
for every single image I edit and I haven’t found out yet why that is.

Looking at a binary diff of an image and its rotated version, I noticed that
the content is completely different. Is Gwenview actually recompressing the
whole image‽ I’ve always assumed that it would only change the appropriate
orientation tag, because recompression is a bad idea for jpeg in any case. :(

Operating System: Arch Linux
KDE Plasma Version: 5.23.5
KDE Frameworks Version: 5.90.0
Qt Version: 5.15.2
Kernel Version: 5.16.5-arch1-1 (64-bit)
Graphics Platform: X11
Processors: 4 × Intel® Core™ i5-4590 CPU @ 3.30GHz
Memory: 31.0 GiB of RAM
Graphics Processor: Mesa DRI Intel® HD Graphics 4600

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