D10223: Improve preview thumbnail quality

[Nathaniel Graham]

ngraham added a comment.


  Nice!
  
  The visual artifacts here look similar or the same as ones we sometimes see in Discover and KInfoCenter at HiDPi scale factors:
  
  F5693185: Screenshot_20180122_143515.png <https://phabricator.kde.org/F5693185>
  F5693186: Pixellated logo.png <https://phabricator.kde.org/F5693186>
  
  - https://bugs.kde.org/show_bug.cgi?id=388253
  - https://bugs.kde.org/show_bug.cgi?id=388633
  
  Related? Might the same fix might work there too?

REPOSITORY
  R119 Plasma Desktop

BRANCH
  Plasma/5.12

REVISION DETAIL
  https://phabricator.kde.org/D10223

To: hein, #plasma, broulik
Cc: broulik, ngraham, kossebau, plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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