GNU bug report logs - #47095
27.1; Feature request: mirror image display

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From: Timo Taipalus <timo <at> taipalus.cc>
To: Alan Third <alan <at> idiocy.org>
Cc: 47095 <at> debbugs.gnu.org
Subject: bug#47095: [PATCH] Add support for image mirroring (Bug#47095)
Date: Fri, 07 Jan 2022 19:00:59 +0200

[Message part 1 (text/plain, inline)]

On 2.1.2022 16:54, Alan Third wrote:
> That's actually what I'd expect to happen, tbh. :)
> 

> There's a bit of a problem with Emacs image manipulation, IMO, in that
> the transform order is baked in, so we end up with strange situations
> like when you set max-width, then rotate 90 degrees so now max-width
> affects the height of the image instead of the width.
> 
> So whatever, I don't feel very strongly about it.

In my experience the way flipping works now is how image viewers 
generally work. But I
guess neither is the one true way, the way it works now is my 
preference. If many do feel
strongly about it, then it can be changed I guess.

> 
> One more thing: do you feel up to adding a note in the manual about
> this new property? It should go in doc/lispref/display.texi. Look for
> rotation.
> 

I added documentation as requested plus code comments.

The paperwork was sent on 26th Dec to assign <at> gnu.org, so admins please 
check there.

[0001-Add-support-for-image-flipping-Bug-47095_rev_3.patch (text/x-diff, attachment)]

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