Commit 7d7520b9 authored by Lars Magne Ingebrigtsen's avatar Lars Magne Ingebrigtsen Committed by Katsumi Yamaoka
Browse files

gnus-html.el: Rescale images in article buffers for Emacs versions that...

gnus-html.el: Rescale images in article buffers for Emacs versions that support this.   This is currently only Emacs 24 compiled with imagemagick support.
parent 6ca07e49
......@@ -7,6 +7,9 @@
2010-09-01 Lars Magne Ingebrigtsen <>
* gnus-html.el (gnus-html-wash-tags): Delete the IMG_ALT region.
(gnus-max-image-proportion): New variable.
(gnus-html-rescale-image): New function.
(gnus-html-put-image): Rescale images.
2010-09-01 Stefan Monnier <>
......@@ -56,6 +56,16 @@
:group 'gnus-art
:type 'regexp)
(defcustom gnus-max-image-proportion 0.7
"How big pictures displayed are in relation to the window they're in.
A value of 0.7 means that they are allowed to take up 70% of the
width and height of the window. If they are larger than this,
and Emacs supports it, then the images will be rescaled down to
fit these criteria."
:version "24.1"
:group 'gnus-art
:type 'float)
(defun gnus-article-html (handle)
(let ((article-buffer (current-buffer)))
......@@ -219,13 +229,33 @@
(= (car (image-size image t)) 30)
(= (cdr (image-size image t)) 30))))
(gnus-put-image image)
(gnus-put-image (gnus-html-rescale-image image))
(when (fboundp 'find-image)
(gnus-put-image (find-image
'((:type xpm :file "lock-broken.xpm")))))
(defun gnus-html-rescale-image (image)
(if (not (fboundp 'imagemagick-types))
(let* ((width (car (image-size image t)))
(height (cdr (image-size image t)))
(edges (window-pixel-edges))
(window-width (truncate (* gnus-max-image-proportion
(- (nth 2 edges) (nth 0 edges)))))
(window-height (truncate (* gnus-max-image-proportion
(- (nth 3 edges) (nth 1 edges)))))
(when (> width window-width)
(setq window-height (truncate (* window-height
(/ (* 1.0 window-width) width)))))
(if (> height window-height)
(or (create-image file 'imagemagick nil
:height window-height)
(defun gnus-html-prune-cache ()
(let ((total-size 0)
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