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Re: image scaling

From: joakim
Subject: Re: image scaling
Date: Thu, 21 Feb 2008 11:06:24 +0100
User-agent: Gnus/5.110007 (No Gnus v0.7) Emacs/23.0.60 (gnu/linux)

Stefan Monnier <address@hidden> writes:

> Looking at the Elisp manual's "38.16.2 Image Descriptors", it seems that
> we do not support image scaling.

> I'd like to add such a feature to image-mode.el, but am wondering how we
> should go about doing it.  Would there be some advantage to provide it
> at the C level (e.g. if some of the image libs we use already provide
> the necessary functionality) or should we just bite the bullet and call
> some external tool like "convert -scale ..." (with the disadvantage that
> flushing the image cache will not automatically cause the image to be
> re-scaled).

I've looked at this briefly while preparing the SVG patch for inclusion.

I think it would be apropriate to do this at the C level, but what would
the Lisp level interface look like?

>         Stefan
Joakim Verona

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