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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: Native image rotation
Date: Sun, 24 Feb 2019 18:14:30 +0200
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To: Alan Third <alan@idiocy.org>
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	Alan Third on Sun, 24 Feb 2019 11:30:50 +0000)
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> Date: Sun, 24 Feb 2019 11:30:50 +0000
> From: Alan Third <alan@idiocy.org>
> 
> I’ve attached a couple of patches. The second renames image scaling to
> image transforms, as it covers more than just scaling.
> 
> It should be trivial to add cropping now. I can’t think of anything
> else we might want to support.
> 
> Again I’ve not handled Windows, but hopefully it’s quite
> straight‐forward.
> 
> The image rotation code is very explicit in what it’s doing and could
> be optimized, but I’m not sure it matters.

Thanks.

Though I wonder what would be the use cases for rotating images in
Emacs by angles other than integral multiples of 90 deg.