[Webkit-unassigned] [Bug 250138] [GTK] Changing system font-scaling factor results in messy rendering of the page (Epiphany, WebKitGtk)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=250138

--- Comment #29 from Michael Catanzaro <mcatanzaro at redhat.com> ---
(In reply to Michael Catanzaro from comment #28)
> No clue why the setting doesn't work for you.

OK, I think it's because the setting is only respected if running in a Wayland session (because the only place that reads it is gdkdisplay-wayland.c). But you're using an X session, right? So that's why. (You could hack WebCore::fontDPI in PlatformScreenGtk.cpp to emulate the setting easily enough, though, just for testing purposes. But don't feel obligated to continue investigating unless you want to.)

I confused myself for a while because I was changing the setting on my host system rather than the setting in my jhbuild environment (which has a separate settings database), and left an incorrect comment in https://github.com/WebKit/WebKit/pull/26938 complaining that it broke the setting. I commented too soon, before verifying that the setting still works properly after reverting your changes. Your changes have no impact on this bug: it's no better or worse than before.

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