https://bugs.kde.org/show_bug.cgi?id=425190

Carlos <carlosjosep...@gmail.com> changed:

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                 CC|                            |carlosjosep...@gmail.com

--- Comment #24 from Carlos <carlosjosep...@gmail.com> ---
> Linear looks to me even better.

I believe both Mutter and Sway use linear but fallback to nearest for the
special case of integer scaling (see [1] and [2]). xrandr uses bicubic
(although that can be changed to nearest [3]). I haven't done a side-by-side
comparison, but I find all of them work rather fine compared to how tray icons
scale in Plasma panel. We are probably seeing upscaling there and I suppose
there are no handcrafted 2x icons to downscale from.

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 might be worth for comparative purposes but I don't think as a
scaling technique that would improve too much on plain upscaling, since it's
not adding any new information (like, say, a handcrafted version or an upscaled
svg version).

---

[1] https://github.com/swaywm/wlroots/issues/1770
[2] https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/845
[3]
https://www.reddit.com/r/GPDPocket/comments/90bras/tip_nearestneighbor_xrandr_display_scaling/

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