On Tue, Oct 27, 2020 at 07:09:02PM -0400, Yuan Fu wrote:
> 
> How should the variable be named? There is already a variable named
> image-scale-factor. I suggest something like ns-pixel-scale-factor.

I went with ns-frame-scale-factor as that matched some other frame
related functions.

> > Anyway, even if not it will always display something, just not
> > necessarily the optimal image.
> > 
> > Do you want me to write the C code to expose the scale factor?
> 
> That’s marvelous!

Attached. It appears to work on my retina laptop.
-- 
Alan Third