https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #25 from Claudius Ellsel ---
(In reply to Carlos from comment #24)
> Cludius: I don't understand your second experiment quite well. When you
> upscaled x2 you just took the small icons and duplicated everything? If
> that's the case, it
https://bugs.kde.org/show_bug.cgi?id=425190
Carlos changed:
What|Removed |Added
CC||carlosjosep...@gmail.com
--- Comment #24 from Carlos
https://bugs.kde.org/show_bug.cgi?id=425190
soredake changed:
What|Removed |Added
CC||ndrzj1...@relay.firefox.com
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https://bugs.kde.org/show_bug.cgi?id=425190
Claudius Ellsel changed:
What|Removed |Added
Resolution|WAITINGFORINFO |---
Status|NEEDSINFO
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #22 from Bug Janitor Service ---
Dear Bug Submitter,
This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #21 from Claudius Ellsel ---
(In reply to Roman Gilg from comment #20)
> Interesting comparison. Linear looks to me even better. Might there be other
> algorithms improving upon that though?
Yes, there might. Although from what I read
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #20 from Roman Gilg ---
Interesting comparison. Linear looks to me even better. Might there be other
algorithms improving upon that though?
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--- Comment #18 from Claudius Ellsel ---
Created attachment 130786
--> https://bugs.kde.org/attachment.cgi?id=130786=edit
Downscaling with linear algorithm
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--- Comment #19 from Claudius Ellsel ---
Created attachment 130787
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Downscaling with NoHalo algorithm
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--- Comment #17 from Claudius Ellsel ---
Created attachment 130785
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Original used for downscaling
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--- Comment #16 from Claudius Ellsel ---
Alright, I have done some testing with the downscaling from a 2x version (took
a screenshot on X11 with that scale factor, had to manually double the size of
the panel, too). Did not work to take that screenshot
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #15 from Claudius Ellsel ---
(In reply to Nate Graham from comment #14)
> David, I think Claudius is using the term "scaling" as a user understands
> the term, not as a KWin developer understands the term. Looking at the
> attachments,
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #14 from Nate Graham ---
David, I think Claudius is using the term "scaling" as a user understands the
term, not as a KWin developer understands the term. Looking at the attachments,
clearly there are differences in the different ways that
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #13 from David Edmundson ---
I said the specific thing in your screenshot shouldn't be upscaled.
If fractional scaling was applied that could result in a downscale of the
original client texture.
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--- Comment #12 from Claudius Ellsel ---
(In reply to Roman Gilg from comment #11)
> (In reply to Claudius Ellsel from comment #10)
> > So when applying fractional scaling, say a factor of 1.25 the icons, mouse
> > cursor etc. are not upscaled?
>
>
https://bugs.kde.org/show_bug.cgi?id=425190
Roman Gilg changed:
What|Removed |Added
CC||subd...@gmail.com
--- Comment #11 from Roman Gilg
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #10 from Claudius Ellsel ---
(In reply to Christoph Feck from comment #8)
> Is this with Wayland? KWin on X11 doesn't scale.
Yes this is on Wayland. As I said, this is about fractional scaling set in the
view settings. KWin might be the
https://bugs.kde.org/show_bug.cgi?id=425190
David Edmundson changed:
What|Removed |Added
Status|REPORTED|NEEDSINFO
CC|
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #8 from Christoph Feck ---
Is this with Wayland? KWin on X11 doesn't scale.
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Nate Graham changed:
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CC||n...@kde.org
--- Comment #7 from Nate Graham
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #6 from Claudius Ellsel ---
More general comparison and background:
- https://en.wikipedia.org/wiki/Comparison_gallery_of_image_scaling_algorithms
-
https://bugs.kde.org/show_bug.cgi?id=425190
--- Comment #3 from Claudius Ellsel ---
Created attachment 130757
--> https://bugs.kde.org/attachment.cgi?id=130757=edit
Cubic algorithm
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--- Comment #5 from Claudius Ellsel ---
Created attachment 130759
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LoHalo algorithm
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--- Comment #4 from Claudius Ellsel ---
Created attachment 130758
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NoHalo algorithm
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--- Comment #1 from Claudius Ellsel ---
Created attachment 130755
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No algorithm for scaling selected
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--- Comment #2 from Claudius Ellsel ---
Created attachment 130756
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Linear algorithm
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