Bug 486364

Extremely Poor Quality Wallpapers That Should Have Never Made Into KDE


SUMMARY
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Despite the huge size (5.6 MB and 7.1 MB), huge resolution (5120x2880) and being PNG, the wallpaper photos are very blurry and grainy with artifacts. 

Both (bright and dark version) are extremely poor quality. Such poor quality photos should never slip through the review process and should never be included in KDE as it degrades overall perception of KDE of not being high quality desktop environment.
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STEPS TO REPRODUCE:
Open the following wallpapers in Gwenviw (and zoom/compare with other wallpapers):

1. /usr/share/wallpapers/Mountain/contents/images_dark/5120x2880.png
SHA512: ceb85541d6a57667bf21196755c6e7a3c19ec975cde05cf95f00ba4873db86c9a470b7b93a8b55181a65d4d2013a2fbcaf0f927f568dee1bbca4947310cc9847

2. /usr/share/wallpapers/Mountain/contents/images/5120x2880.png
SHA512:  2fb9899bcba680ff83a99aaabda31bbef084f83a53f36f35b037325ff9d838f293307113813c12ae37c5da19ab5d390f0fee0a229b31069149662dcbe1fe66bd


OBSERVED RESULTS:
These photos have been created from very poor, low quality JPGs. The poor quality JPGs were processed to consist of some triangles (zoom to see) and were saved, again, as a lossy compressed JPGs (double jpg compression; jpg is a lossy compression). Finally the poor quality JPGs were poorly upscaled and then converted to PNG. The result is unacceptable (huge size, slow loading, poor quality).


EXPECTED RESULT:
Immediate removal including KDE LTS (shift+delete/$ sudo rm) of these files, so KDE is on par with GNOME, Cinnamon, MATE, MS Windows and Apple OS in terms of visual quality.


SOFTWARE/OS VERSIONS
KDE Plasma Version: All
KDE Frameworks Version: All