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Revert "Revert "new babel latex feature :imagemagick -- By Andreas Leha"" 

This reverts commit c6f6b3421e.

Andreas has now signed the FSF copyright assignment papers.
This commit is contained in:
Eric Schulte 2011-11-22 06:59:58 -07:00
parent edef1fa5ca
commit c166760fcc
1 changed files with 24 additions and 4 deletions
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28
lisp/ob-latex.el
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@ -72,6 +72,10 @@ This function is called by `org-babel-execute-src-block'."
(let* ((out-file (cdr (assoc :file params)))
(tex-file (org-babel-temp-file "latex-" ".tex"))
(border (cdr (assoc :border params)))
(imagemagick (cdr (assoc :imagemagick params)))
(im-in-options (cdr (assoc :iminoptions params)))
(im-out-options (cdr (assoc :imoutoptions params)))
(pdfpng (cdr (assoc :pdfpng params)))
(fit (or (cdr (assoc :fit params)) border))
(height (and fit (cdr (assoc :pdfheight params))))
(width (and fit (cdr (assoc :pdfwidth params))))
@ -81,10 +85,10 @@ This function is called by `org-babel-execute-src-block'."
(append (cdr (assoc :packages params))
org-export-latex-packages-alist)))
(cond
((string-match "\\.png$" out-file)
((and (string-match "\\.png$" out-file) (not imagemagick))
(org-create-formula-image
body out-file org-format-latex-options in-buffer))
((string-match "\\.pdf$" out-file)
((or (string-match "\\.pdf$" out-file) imagemagick)
(require 'org-latex)
(with-temp-file tex-file
(insert
@ -118,13 +122,29 @@ This function is called by `org-babel-execute-src-block'."
(concat "\n\\begin{document}\n" body "\n\\end{document}\n")))
(org-export-latex-fix-inputenc))
(when (file-exists-p out-file) (delete-file out-file))
(rename-file (org-babel-latex-tex-to-pdf tex-file) out-file))
(let ((transient-pdf-file (org-babel-latex-tex-to-pdf tex-file)))
(cond
((string-match "\\.pdf$" out-file)
(rename-file transient-pdf-file out-file))
(imagemagick
(convert-pdf
transient-pdf-file out-file im-in-options im-out-options)
(when (file-exists-p transient-pdf-file)
(delete-file transient-pdf-file))))))
((string-match "\\.\\([^\\.]+\\)$" out-file)
(error "can not create %s files, please specify a .png or .pdf file"
(error "can not create %s files, please specify a .png or .pdf file or try the :imagemagick header arguement"
(match-string 1 out-file))))
nil) ;; signal that output has already been written to file
body))
(defun convert-pdf (pdffile out-file im-in-options im-out-options)
"Generate a file from a pdf file using imagemagick."
(let ((cmd (concat "convert " im-in-options " " pdffile " "
im-out-options " " out-file)))
(message (concat "Converting pdffile file " cmd "..."))
(shell-command cmd)))
(defun org-babel-latex-tex-to-pdf (file)
"Generate a pdf file according to the contents FILE.
Extracted from `org-export-as-pdf' in org-latex.el."