On Dienstag, 25. Juli 2017 20:15:31 CEST Vladimir Kudrya wrote: > Hi all! > > I would like to know the current 'proper' way of setting DPI in X (if > there is any). > I see conflicting information on the topic, and different applications > seem to have different source of this setting. I currently counted 3 of > them: > - fontconfig > - xrdb > - randr > > Different versions of gtk2 seem to either demand or ignore dpi setting > in xrdb. > And there is also this recent change that gives xdpyinfo the ability to > state different DPI for different outputs simultaneously: > https://lists.x.org/archives/xorg-devel/2017-April/053430.html > > Is there any DE- and toolkit-agnostic approach for letting applications > know the proper DPI and/or notifying them that DPI has changed?
Yes, the official X11 DPI value you call xrandr in your list. And fixing toolkits that ignore, or even worse; override the value. The other values can be set or calculated based on the physical data, but only X11 has the physical data of the screen. 'Allan _______________________________________________ xdg mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/xdg
