Re: master a739cab6637 2/2: ; * doc/lispref/display.texi (Image Descriptors): Insert missing text.

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: rpluim@gmail.com,  emacs-devel@gnu.org
> Date: Fri, 07 Jun 2024 16:50:55 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > So this means at least on Windows, where the default font's width is
> > 8, the image will never be scaled in "emacs -Q", am I right?
> >
> > I think on macOS the default width is 7, so the same will happen there
> > as well?
> >
> > What is the default width of the font on GNU/Linux?
> 
> 8, though all this is only true when there is no display scale
> configured, even on MS-Windows, correct?  This code isn't supposed to
> activate when the display density isn't so high as to require font
> scaling, and in the other case the default font width will be scaled
> beyond 10 pixels.
> 
> > And finally, can you tell more about how the scale factor is computed
> > "based on the font's pixel size"?  Or point me to the code which does
> > that?  I think some of that should be in the manual, to give the users
> > some idea of what will happen.
> 
> See line 2699 of image.c.

Thanks, I installed some clarifications of this text.