D12804: Fix window frame rounding when scaling is used

[Vlad Zagorodniy]

zzag added a comment.


  In D12804#260617 <https://phabricator.kde.org/D12804#260617>, @anemeth wrote:
  
  > In D12804#260610 <https://phabricator.kde.org/D12804#260610>, @hpereiradacosta wrote:
  >
  > > Also: how does it work with multiple monitors ? (I see you get the info from ::primaryScreen, not for the screen the window is actually on ?
  >
  >
  > As far as I know KWin X11 does not allow different scaling factors per monitor, so it should be fine.
  >  And on Wayland `QGuiApplication::primaryScreen()->logicalDotsPerInch()` is always 96 so this only affects X11
  
  
  IIRC, decoration renderer sets device pixel ratio, so in theory, you should not multiply frame radius by dpr.

REPOSITORY
  R31 Breeze

REVISION DETAIL
  https://phabricator.kde.org/D12804

To: anemeth, #breeze, #vdg, hpereiradacosta, davidedmundson
Cc: zzag, davidedmundson, ngraham, plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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