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Re: image scaling

From: Stefan Monnier
Subject: Re: image scaling
Date: Thu, 21 Feb 2008 10:59:25 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.50 (gnu/linux)

> It would be really good to have such a feature as I think it would
> make browsing images in image-dired's thumbnail buffer (display some
> large images there and use SPC and DEL to go back and forth to see
> what I mean) much quicker.

Hmm... Seeing how other programs that deal with thumbnails also do
"convert to a new file", it looks like that example isn't very
compelling: it would require not just the ability to scale an image, but
also to then save (i.e. re-encode, compressed in a format like png or
jpeg) it.  Running `convert' doesn't sound that bad of an idea in this
case (especially you can run several `convert' processes at the same
time, benefitting from multi-cores).

> At least I guess it would be quicker to do this natively inside Emacs
> than using convert to scale the image as we do now.

Could be, but I'm not sure.


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