D29397: KPreviewJob : Support for DeviceRatioPixel

[Méven Car]

meven marked an inline comment as done.
meven added a comment.


  In D29397#673758 <https://phabricator.kde.org/D29397#673758>, @ngraham wrote:
  
  > Overall seems sane. Two questions though:
  
  
  
  
  > Is this @2x suffix standardized?
  
  No but it is already being used for icon caching.
  
  > What happens if I'm using 125% scaling, generate some previews, and then switch back to 100% (no scaling?)
  
  When your screen is scaled 125%, the application gets a dpr of 2.
  When you go back to 100%. the thumbnails in `~/.cache/thumbnails/large` and `~/.cache/thumbnails/normal` will be used again.
  Meaning you will have two sets of previews.
  
  > The images using a pixel ratio are stored in cache in ~/.cache/thumbnails/normal at 2x for 256*256 (i.e 128*128 at 2x) and ~/.cache/thumbnails/large at 2x for 512*512 (i.e 256*256 at 2x)

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D29397

To: meven, dfaure, broulik, #frameworks, ngraham
Cc: elvisangelaccio, kossebau, davidedmundson, kde-frameworks-devel, LeGast00n, cblack, michaelh, ngraham, bruns
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