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Fractional Scaling HIDPI.wiki

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  • HIDPI
* Also known as High Dots Per Inch * Or better known as just buy a lower res monitor * Basically high resolution monitor

  • X resources
* Xft.dpi: 192 * Multiples of 96 usually work best * 200% scaling * Usually will deal with most things

  • Check dpi
* xdpyinfo | grep -B 2 resolution Section "Monitor" 

    Identifier             "DVI-D-0"
    DisplaySize             286 179    # In millimeters

EndSection

  • Xrandr
  • xrandr --output DisplayPort-0 --scale 1x1
  • GUI Toolkits
* Will clash with Xft dpi * GTK * Scale UI elements * export GDK_SCALE=2 * Scale Text * export GDK_DPI_SCALE=0.5 * QT export QT_AUTO_SCREEN_SCALE_FACTOR=1 export QT_SCALE_FACTOR=1 export QT_SCREEN_SCALE_FACTORS="1;1;1" * ELM * export ELM_SCALE=1

  • Per app basis
* Chromium apps have option * --force-device-scale-factor=2

  • Boot loader
* GRUB * Framebuffer resolution * /etc/default/grub GRUB_GFXMODE=1024x768x32 GRUB_GFXPAYLOAD_LINUX=keep GRUB_GFXMODE=desired_resolution,fallback_such_as_1024x768,auto

* Change GRUB font size grub-mkfont -s 30 -o /boot/grubfont.pf2 /usr/share/fonts/FontFamily/FontName.ttf * /etc/default/grub GRUB_FONT="/boot/grubfont.pf2" * systemd-boot * /boot/loader/loader.conf * console-mode 1