diff --git a/contrib/lisp/org-odt.el b/contrib/lisp/org-odt.el index 65c50ea02..81abf5d4b 100644 --- a/contrib/lisp/org-odt.el +++ b/contrib/lisp/org-odt.el @@ -1623,6 +1623,12 @@ ATTR is a string of other attributes of the a element." "Hardcoded image dimensions one for each of the anchor methods.") +;; A4 page size is 21.0 by 29.7 cms +;; The default page settings has 2cm margin on each of the sides. So +;; the effective text area is 17.0 by 25.7 cm +(defvar org-export-odt-max-image-size '(17.0 . 20.0) + "Limiting dimensions for an embedded image.") + (defun org-odt-do-image-size (probe-method file &optional dpi anchor-type) (setq dpi (or dpi org-export-odt-pixels-per-inch)) (setq anchor-type (or anchor-type "paragraph")) @@ -1671,6 +1677,14 @@ ATTR is a string of other attributes of the a element." (user-width (setq height (* user-width (/ height width)) width user-width)) (t (ignore))) + ;; ensure that an embedded image fits comfortably within a page + (let ((max-width (car org-export-odt-max-image-size)) + (max-height (cdr org-export-odt-max-image-size))) + (when (or (> width max-width) (> height max-height)) + (let* ((scale1 (/ max-width width)) + (scale2 (/ max-height height)) + (scale (min scale1 scale2))) + (setq width (* scale width) height (* scale height))))) (cons width height))) (defvar org-odt-entity-labels-alist nil