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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 20:42:22 +0200
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To: Andy Moreton <andrewjmoreton@gmail.com>
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> From: Andy Moreton <andrewjmoreton@gmail.com>
> Date: Wed, 27 Mar 2019 18:35:09 +0000
> 
> > 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"?
>
> I would expect a sliced image to be composed of a grid of tiled images
> instead of a single image, but to have the same visual appearance as the
> original image. The w32 code does not get this right.

Did insert-sliced-image ever work on Windows, even before scaling was
added?

> Adding the ":scale 0.5" argument scales down the tiled array of images
> correctly, but they still contain the same display artifacts as the
> sliced image without scaling.

Thanks, but I asked for the _correct_ image I need to expect, because
I want something to compare to if/when I decide to try to fix this.