Re: "Fix" sag scaling for hidpi

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: rpluim@gmail.com,  casouri@gmail.com,  monnier@iro.umontreal.ca,
>   emacs-devel@gnu.org
> Date: Sat, 06 Feb 2021 12:35:41 +0100
> 
> "Logical" pixels was something that was introduced when people started
> making high-resolution screens.  In a 2x HiDPI scenario, the OS will
> report that the 1280 × 1024 is really a 640 x 512 screen, but if you
> give it an image that's 640x512 to display, it'll scale it up, using
> four physical pixels per logical pixel, and this will be blurry.

Looks like this is called "device-independent pixels" (DIPs) on
MS-Windows?