Re: pdf images in html export

[Andreas Leha <andreas.leha@med.uni-goettingen.de>]

Hi John,

Instructor account <instructor@andrew.cmu.edu> writes:
> I think the best thing to do here is create a derived backend. Filters
> could work to, but you will have to parse the img link, get the pdf
> file, convert it and replace the path in the link.
>
> with a derived backend you can get that a little more directly like
> this. This code block works on a minimal example for me. I guess you
> could make a little function to do the last line, and put this all in
> your init files and it would work. This is a very unsophisticated format
> function that does not check for attributes like width or height or link
> descriptions... but, I get a png image in the html export of an org file
> with a pdf image ;)
>
> #+BEGIN_SRC emacs-lisp
> (defun my-link-format (link contents info)
>   (let ((type (org-element-property :type link))
> 	(path (org-element-property :path link)))
>     (cond
>      ((and
>        (string= type "file")
>        (string-match "\.pdf" path))
>       (shell-command
>        (format
> 	"convert %s %s"
> 	path
> 	(replace-regexp-in-string "\.pdf" ".png" path)))
>       (format "<img src=\"%s\">" (replace-regexp-in-string "\.pdf" ".png" path)))
>      ;; anything else, we just do the regular thing
>      (t
>       (org-html-link link contents info)))))
>
> (org-export-define-derived-backend 'my-html 'html
>   :translate-alist '((link . my-link-format)))
>
>
> (browse-url (org-export-to-file 'my-html "custom-link.html"))
> #+END_SRC

That is really nice.  From all solutions so far this seems to be the one
to pursue.  I will look into that.

[...]


Thanks,
Andreas