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Code to process export of PNG and JPG images. 

* org-e-groff.el
(org-e-groff-inline-image-rules): Added PNG and JPG as valid
inline suffixes.
(org-e-groff-raster-to-ps): Variable that contains the command
to execute raster to eps conversion.
(org-e-groff--letter-head): Updated logic to handle empty
FROM/TO in letter classes.
(org-e-groff-link--inline-image): Added logic to process
raster images.
This commit is contained in:
Luis Anaya 2012-09-03 17:24:58 -04:00
parent d0ad93075e
commit d46887f206
1 changed files with 32 additions and 10 deletions
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42
contrib/lisp/org-e-groff.el
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@ -234,8 +234,8 @@ order to reproduce the default set-up:
;;; Links
(defcustom org-e-groff-inline-image-rules
'(("file" . "\\.\\(pdf\\|ps\\|eps\\|pic\\)\\'")
("fuzzy" . "\\.\\(pdf\\|ps\\|eps\\|pic\\)\\'"))
'(("file" . "\\.\\(jpg\\|png\\|pdf\\|ps\\|eps\\|pic\\)\\'")
("fuzzy" . "\\.\\(jpg\\|png\\|pdf\\|ps\\|eps\\|pic\\)\\'"))
"Rules characterizing image files that can be inlined into Groff.
A rule consists in an association whose key is the type of link
@ -519,6 +519,17 @@ These are the .aux, .log, .out, and .toc files."
:group 'org-export-e-groff
:type 'string)
(defcustom org-e-groff-raster-to-ps nil
"Command used to convert raster to EPS. Nil for no conversion. Make sure that
`org-e-groff-inline-image-rules' is adjusted accordingly if not conversion is being
done. In this case, remove the entries for jpg and png in the file and fuzzy lists."
:group 'org-export-e-groff
:type '(choice
(repeat :tag "Shell Command Sequence" (string :tag "Shell Command"))
(const :tag "sam2p" "a=%s;b=%s;sam2p ${a} ${b} ;grep -v BeginData ${b} > b_${b};mv b_${b} ${b}" )
(const :tag "NetPNM" "a=%s;b=%s;pngtopnm ${a} | pnmtops -noturn > ${b}" )
(const :tag "None" nil)))
;; Adding GROFF as a block parser to make sure that its contents
;; does not execute
@ -705,12 +716,16 @@ See `org-e-groff-text-markup-alist' for details."
;; If FROM then get data from FROM
(setq from-data
(replace-regexp-in-string "\\.P\n" "" from-data))
(setq to-data
(replace-regexp-in-string "\\.P\n" "" to-data))
(if from-data
(setq from-data
(replace-regexp-in-string "\\.P\n" "" from-data))
(setq from-data ""))
(if to-data
(setq to-data
(replace-regexp-in-string "\\.P\n" "" to-data))
(setq from-data ""))
(concat
(cond
(from-data
@ -1309,9 +1324,15 @@ used as a communication channel."
;; Now clear ATTR from any special keyword and set a default value
;; if nothing is left. Return proper string.
(concat
(cond
((and org-e-groff-raster-to-ps
(or (string-match ".\.png$" path)
(string-match ".\.jpg$" path)))
(let ((eps-path (concat path ".eps")))
(shell-command (format org-e-groff-raster-to-ps path eps-path))
(format "\n.DS L F\n.PSPIC %s \"%s\" %s %s\n.DE "
placement eps-path width height)))
((string-match ".\.pic$" path)
(format "\n.PS\ncopy \"%s\"\n.PE" path))
(t (format "\n.DS L F\n.PSPIC %s \"%s\" %s %s\n.DE "
@ -1335,6 +1356,8 @@ INFO is a plist holding contextual information. See
((member type '("http" "https" "ftp" "mailto"))
(concat type ":" raw-path))
((string= type "file")
(when (string-match "\\(.+\\)::.+" raw-path)
(setq raw-path (match-string 1 raw-path)))
(if (file-name-absolute-p raw-path)
(concat "file://" (expand-file-name raw-path))
(concat "file://" raw-path)))
@ -1398,7 +1421,6 @@ INFO is a plist holding contextual information. See
;; No path, only description. Try to do something useful.
(t (format org-e-groff-link-with-unknown-path-format desc)))))
;;; Paragraph
(defun org-e-groff-paragraph (paragraph contents info)