I was looking for a way to put illustrations in my org-mode files so
that I could actually look at them while editing the org stuff. I found
a post a while ago suggesting using iimage mode (which is included with
the Aquamacs that I use, and is readily available if you don't have it
with your emacs).
I found I needed to do a little customization to make iimage work for
me, so I thought I would post the details in case they were useful to
anyone else.
Here's the bit I added to my org configuration to make this work:
(add-hook 'org-mode-hook
'(lambda ()
;; unnecessary
;; (make-variable-buffer-local
'iimage-mode-image-filename-regex)
(let ((file-extension-regex
(regexp-opt (nconc (mapcar #'upcase
image-file-name-extensions)
image-file-name-extensions)
t)))
(setq iimage-mode-image-regex-alist
(list
(cons
(concat
"\\[\\["
(regexp-quote "file:")
"\\([^]]+\." file-extension-regex "\\)"
"\\]"
"\\(\\[" "\\([^]]+\\)" "\\]\\)?"
"\\]")
1))))))
Note that this /only/ displays inline local (file) links, not http
images. It wouldn't be hard to add that --- I built the above by
copying and modifying the org-bracket-link-analytic-regexp variable
initialization. If one wanted to put this more generally into org-mode,
it would probably be right to make the iimage-mode-image-regex-alist be
under control of some org customization (to handle local versus all
images, etc.).
I don't generally want iimage mode on in all of my org-mode buffers, so
I use the file variables block to engage iimage mode where I want it.
If you'd like it always to be on, then you can just add iimage-mode
(it's a minor mode) to your org-mode-hook.
Hope that's of interest to someone...
Cheers,
r
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