From: Mathias Dahl <mathias.dahl@gmail.com>
To: Tino Calancha <tino.calancha@gmail.com>
Cc: Emacs developers <emacs-devel@gnu.org>
Subject: Re: image-dired: Check all external programs available
Date: Wed, 31 Aug 2016 15:31:23 +0200 [thread overview]
Message-ID: <CABrcCQ6Yn2-oA=+j9Q=S8B0E0kWwqqrC62Ox_GdP1f13MW7qQw@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1608312056420.16627@calancha-pc>
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>
> As you know, 'convert' also can rotate an image.
>
Yes, it probably can, but as I remember it, the rotation is lossy, i.e. it
makes the JPEG data worse than before the rotation. jpegtran was able to do
lossless rotation, which is why I picked it. For thumbnails it would not
matter but for rotating original files it's not nice to loose
information/quality. As long as users can get hold of jpegtran I think it
should be the default program used for rotation.
I will keep testing during this week. Then, if everything is OK
> i will push the patch to the Emacs repository.
>
Sounds good, thanks for doing this!
/Mathias
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next prev parent reply other threads:[~2016-08-31 13:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-28 14:58 image-dired: Check all external programs available Tino Calancha
2016-08-30 12:11 ` Mathias Dahl
2016-08-31 12:07 ` Tino Calancha
2016-08-31 13:31 ` Mathias Dahl [this message]
2016-09-04 13:49 ` Tino Calancha
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