+(defvar gnus-article-mouse-face)
+
+(defun gnus-html-pre-wash ()
+ (goto-char (point-min))
+ (while (re-search-forward " *<pre_int> *</pre_int> *\n" nil t)
+ (replace-match "" t t))
+ (goto-char (point-min))
+ (while (re-search-forward "<a name[^\n>]+>" nil t)
+ (replace-match "" t t)))
+
+(defun gnus-html-wash-images ()
+ "Run through current buffer and replace img tags by images."
+ (let (tag parameters string start end images url)
+ (goto-char (point-min))
+ ;; Search for all the images first.
+ (while (re-search-forward "<img_alt \\([^>]*\\)>" nil t)
+ (setq parameters (match-string 1)
+ start (match-beginning 0))
+ (delete-region start (point))
+ (when (search-forward "</img_alt>" (line-end-position) t)
+ (delete-region (match-beginning 0) (match-end 0)))
+ (setq end (point))
+ (when (string-match "src=\"\\([^\"]+\\)" parameters)
+ (setq url (match-string 1 parameters))
+ (gnus-message 8 "gnus-html-wash-tags: fetching image URL %s" url)
+ (if (string-match "^cid:\\(.*\\)" url)
+ ;; URLs with cid: have their content stashed in other
+ ;; parts of the MIME structure, so just insert them
+ ;; immediately.
+ (let ((handle (mm-get-content-id
+ (setq url (match-string 1 url))))
+ image)
+ (when handle
+ (mm-with-part handle
+ (setq image (gnus-create-image (buffer-string)
+ nil t))))
+ (when image
+ (let ((string (buffer-substring start end)))
+ (delete-region start end)
+ (gnus-put-image image (gnus-string-or string "*") 'cid)
+ (gnus-add-image 'cid image))))
+ ;; Normal, external URL.
+ (let ((alt-text (when (string-match "\\(alt\\|title\\)=\"\\([^\"]+\\)"
+ parameters)
+ (match-string 2 parameters))))
+ (if (gnus-html-image-url-blocked-p
+ url
+ (if (buffer-live-p gnus-summary-buffer)
+ (with-current-buffer gnus-summary-buffer
+ gnus-blocked-images)
+ gnus-blocked-images))
+ (progn
+ (widget-convert-button
+ 'link start end
+ :action 'gnus-html-insert-image
+ :help-echo url
+ :keymap gnus-html-image-map
+ :button-keymap gnus-html-image-map)
+ (let ((overlay (gnus-make-overlay start end))
+ (spec (list url
+ (set-marker (make-marker) start)
+ (set-marker (make-marker) end)
+ alt-text)))
+ (gnus-overlay-put overlay 'local-map gnus-html-image-map)
+ (gnus-overlay-put overlay 'gnus-image spec)
+ (gnus-put-text-property start end 'gnus-image-url url)
+ (gnus-put-text-property
+ start end
+ 'gnus-image spec)))
+ ;; Non-blocked url
+ (let ((width
+ (when (string-match "width=\"?\\([0-9]+\\)" parameters)
+ (string-to-number (match-string 1 parameters))))
+ (height
+ (when (string-match "height=\"?\\([0-9]+\\)" parameters)
+ (string-to-number (match-string 1 parameters)))))
+ ;; Don't fetch images that are really small. They're
+ ;; probably tracking pictures.
+ (when (and (or (null height)
+ (> height 4))
+ (or (null width)
+ (> width 4)))
+ (gnus-html-display-image url start end alt-text))))))))))
+
+(defun gnus-html-display-image (url start end alt-text)
+ "Display image at URL on text from START to END.
+Use ALT-TEXT for the image string."
+ (if (gnus-html-cache-expired url gnus-html-image-cache-ttl)
+ ;; We don't have it, so schedule it for fetching
+ ;; asynchronously.
+ (gnus-html-schedule-image-fetching
+ (current-buffer)
+ (list url
+ (set-marker (make-marker) start)
+ (set-marker (make-marker) end)
+ alt-text))
+ ;; It's already cached, so just insert it.
+ (gnus-html-put-image (gnus-html-get-image-data url)
+ start end url alt-text)))
+