Subject: bug#55394: 29.0.50; pgtk: Text scaling of host OS is exaggerated in Emacs

From: Po Lu <[email-masked]>
Date: Fri, 13 May 2022 16:26:29 +0800

Torsten Bronger <[email-masked]> writes:

> Using Emacs on Ubuntu 22.04 with Wayland and pgtk, if I set a text
> scaling factor using
>
>     dconf write /org/gnome/desktop/interface/text-scaling-factor 2.0
>
> the value (2.0 in this case) is exaggerated in Emacs.  In other words,
> an increase in font size increases the size in the shell (Gnome
> Terminal) less strongly than in Emacs.  When compiling without pgtk, the
> font sizes always match.

What happens if you delete this line in pgtkterm.c?

    dpi *= pgtk_text_scaling_factor ();