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Re: [O] proposed modification of org-display-inline-images
From: |
Rasmus |
Subject: |
Re: [O] proposed modification of org-display-inline-images |
Date: |
Mon, 25 Jul 2016 12:18:18 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
Hi,
Thanks for the proposal.
John Kitchin <address@hidden> writes:
> I would like to propose a change to org-display-inline-images so it can
> rescale images even if imagemagick is not built in to emacs. There is
> currently no way to rescale images when they are displayed in that case
> AFAICS. This is particularly a problem on Windows, as we have never
> found a binary linked to imagemagick for that platform.
This sounds like an Emacs problem. There was some talk about the
rescaling issue here:
http://thread.gmane.org/gmane.emacs.devel/174318/
And maybe here:
http://thread.gmane.org/gmane.emacs.devel/200568/focus=203024
> I propose we define a new customizable variable called something like
> org-inline-image-resize-function, and a function that takes a filename
> and the resize options, and returns a path to a resized function (in the
> temporary directory). The variable isn't technically necessary, but if
> someone wanted to use an alternative function, it would enable it.
>
> This function would use the "convert" program from imagemagick to do the
> resizing. This program can be installed independently on all the
> platforms I think.
Why limit this to Org? A solution should be implemented in image.el.
> Since this is just for display in org, I suggest that we use a syntax like:
>
> #+attr_org: :resize resize-options
> [[./file.png]]
>
> the resize-options could be anything here:
> http://www.imagemagick.org/script/command-line-processing.php#geometry
>
> It would enable things like:
>
> reduce size by 50%
> #+attr_org: :resize 50%
>
> set width to 300, preserving aspect ratio
> #+attr_org: :resize 300
>
> set height to 200, and preserve aspect ratio
> #+attr_org: :resize x200
>
> set size to 200x300 and change aspect ratio
> #+attr_org: :resize 200x300!
>
> Any thoughts on this proposal?
This is misusing attr_org, isn’t it? Don’t particularly care for this
"API"... All is IMO, of course.
Rasmus
--
I almost cut my hair, it happened just the other day