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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: What is `image-compute-scaling-factor' for?
Date: Thu, 24 Dec 2020 12:36:59 +0200
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On December 24, 2020 11:30:57 AM GMT+02:00, Evgeny Zajcev <lg=2Ezevlg@gmail=
=2Ecom> wrote:
> What is this `image-compute-scaling-factor' function for?
>=20
> It operates with some insane "typical character" definition=2E  In old
> times
> this "typical character" thing might had some common sense, but
> nowadays
> with huge monitors and dense DPI, this "typical character" thing is
> insane
>=20
> What should `auto' image-scaling-factor *really* do?
>=20
> Thanks

Doesn't the doc string of create-image (which does the scaling) answer you=
r question?