Re: Native image rotation

[Alan Third]

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
application.
-- 
Alan Third