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Re: [O] Choosing image format according to export backend

From: Carsten Dominik
Subject: Re: [O] Choosing image format according to export backend
Date: Fri, 9 Aug 2013 11:49:48 +0200

On 15.5.2013, at 22:21, John Hendy <address@hidden> wrote:

> On Wed, May 15, 2013 at 12:38 PM, Vincent Beffara <address@hidden> wrote:
>> Dear list,
>> I would like to have the same org file export to both PDF (through
>> LaTeX) and HTML. The problem I have is images: for printing, PDF images
>> would be best but for display in a browser, it is much better to have a
>> PNG file rather than a link to the PDF. So what I need is for the
>> exporter to choose the image differently according to the backend.
> I know this is more of a request for coding help, but just wanted to
> add my vote that this would be great. I don't use html *that* much,
> but having the option would be awesome, and the replacement of all
> *.pdf links with *.png (and typically re-running R code to generate
> .png version, or running imagemagick on the dir to create them) is
> typically too much of a barrier so I just stick with PDF/Beamer.
> I'd love something like this.

I think this should be possible using filters in the exporter.

- Carsten

> John
>> I found this piece of code on stackoverflow:
>> #+begin_src emacs-lisp :exports results :results value raw
>> (case (and (boundp 'backend) backend)
>>  (nil "")
>>  (latex "[[file:traps.pdf]]")
>>  (html "[[file:traps.png]]"))
>> #+end_src
>> That works, but I was not able to make it recognize captions and such
>> (except by pasting them in both options or otherwise modifying the lisp
>> code above). Plus the markup is a bit heavy. Is there a simpler way?
>> [One thing I thought about was to keep only one of them in the markup,
>> and modifying the output for the other backend. I kind of know how to
>> do that within LaTeX by redefining the \includegraphics command but it
>> feels ... well ... not elegant. Maybe using a hook during one of the
>> exports?]
>> Cheers,
>> --
>> Vincent

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