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On Friday, September 1, 2017 7:28:48 PM CEST Mart Raudsepp wrote: |
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> Ühel kenal päeval, R, 01.09.2017 kell 10:16, kirjutas Grant: |
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> > > My laptop's 13" screen has a native resolution of 3200x1800 which |
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> > > makes everything crazy small on-screen. Is there a good method for |
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> > > telling Xorg or xfce4 to compensate, or should I one-at-a-time my |
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> > > applications? I can adjust the resolution down but it makes the |
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> > > colors look weird. |
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> > |
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> > After some more research, it turns out this is a pretty well-known |
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> > problem on the Linux desktop (it's called HiDPI) without a good |
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> > solution... except for this: |
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> > |
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> > https://forums.linuxmint.com/viewtopic.php?t=159064 |
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> > https://bugs.freedesktop.org/show_bug.cgi?id=94816 |
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> > |
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> > The solution is to patch xrandr with the capability to do nearest |
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> > neighbor filtering and run xrandr like this: |
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> > |
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> > xrandr --output eDP1 --mode "3200x1800" --scale "0.5x0.5" |
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> > |
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> > It works great. |
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> |
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> I don't see how it can be called great. This is pretty much losing most |
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> of the benefits you have with a HiDPI screen, by just making it be |
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> almost the same as a 1600x900 screen, except the scaling involves some |
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> nearest neighbor filtering, which sometimes might be good, sometimes |
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> bad, and never as good as rendering things in HiDPI. |
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> |
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> For HiDPI you want the toolkit to support it properly and configure it |
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> as such. GTK+3 is such a toolkit, but outside of GNOME (where it works |
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> out of the box), I don't know what exactly it takes to set things up. |
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> Plus you'll need a solution for your gtk2/whatever other things, |
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> preferably one that doesn't make things worse for gtk3 things, like |
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> that xrandr hack does. |
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> |
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> Probably something like |
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> gsettings set org.gnome.desktop.interface scaling-factor 2 |
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> combined with something for the other stuff that doesn't mess with the |
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> former. |
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> Outside GNOME, maybe exporting GDK_SCALE=2 works, if the dconf setting |
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> isn't honored outside it. |
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In KDE/Plasma there is a scaling setting in the display section. |
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The scales go from 1 to 3 (in steps of 0.1) |
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Seems to work, I don't need it on my displays as I tend to simply increase the |
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font-sizes where necessary. |
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-- |
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