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Re: Native image rotation

From: Alan Third
Subject: Re: Native image rotation
Date: Wed, 5 Jun 2019 22:39:14 +0100
User-agent: Mutt/1.12.0 (2019-05-25)

On Sun, Jun 02, 2019 at 08:24:14PM +0200, Lars Ingebrigtsen wrote:
> Alan Third <address@hidden> writes:
> > I’ve decided it is a waste of time and have removed it. I’ve also
> > reverted the order of operations to match ImageMagick as the use cases
> > I’d imagined requiring a different order aren’t so useful with 90
> > degree rotations.

I’ve just pushed this to master.

> Sounds great -- this means that non-Imagemagick Emacs has almost feature
> parity with Imagemagick Emacs (for the image formats that Emacs
> supports, that is).  The only significant thing that's missing is using
> exif data to get rotation correct, I think?

Yes, I believe so. ImageMagick seems to have a built‐in for
automatically orienting the image.

> I previously looked at writing an exif parser in Emacs Lisp, and it
> looks easy enough, and if we had that, we could also edit the exif data,
> which is pretty useful.

It would also give us the ability to display other tags, like location
data and keywords, which could be nice in an image browser type
Alan Third

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