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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Testing native image scaling
Date: Wed, 27 Mar 2019 19:09:26 +0200
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To: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
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	YAMAMOTO Mitsuharu on Wed, 27 Mar 2019 11:35:26 +0900)
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> Date: Wed, 27 Mar 2019 11:35:26 +0900
> From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
> Cc: Alan Third <alan@idiocy.org>,
> 	emacs-devel@gnu.org
> 
>   (insert-sliced-image (create-image "splash.png" nil nil :scale 0.5) nil nil 3 5)
> 
> Actually, I suspect this does not work on W32 because the comparison
> with the original image size is made for s->slice.width (or height)
> rather than s->img->width (or height) as I just did for cairo code.
> Could you check it on W32?

It seems to work, but maybe I don't know what and how to check.  Can
you show what I should expect to see with and without the :scale
attribute, in "emacs -Q"?

Thanks.