Merge branch 'master' of https://git.gnus.org/gnus

[gnus] / lisp / gnus-html.el

diff --git a/lisp/gnus-html.el b/lisp/gnus-html.el
index a6a243a..3ae3766 100644 (file)
--- a/lisp/gnus-html.el
+++ b/lisp/gnus-html.el
@@ -37,7 +37,7 @@
 (require 'url-cache)
 (require 'xml)
 (require 'browse-url)
-(require 'help-fns)
+(eval-and-compile (unless (featurep 'xemacs) (require 'help-fns)))
 
 (defcustom gnus-html-image-cache-ttl (days-to-time 7)
   "Time used to determine if we should use images from the cache."
@@ -105,12 +105,7 @@ CHARS is a regexp-like character alternative (e.g., \"[)$]\")."
                                          (match-string 0 encoded-text)))
                                 t t encoded-text)
                  s (1+ s)))
-         encoded-text))))
-  ;; XEmacs does not have window-inside-pixel-edges
-  (defalias 'gnus-window-inside-pixel-edges
-    (if (fboundp 'window-inside-pixel-edges)
-        'window-inside-pixel-edges
-      'window-pixel-edges)))
+         encoded-text)))))
 
 (defun gnus-html-encode-url (url)
   "Encode URL."
@@ -271,7 +266,7 @@ Use ALT-TEXT for the image string."
       (setq tag (match-string 1)
            parameters (match-string 2)
            start (match-beginning 0))
-      (when (plusp (length parameters))
+      (when (> (length parameters) 0)
        (set-text-properties 0 (1- (length parameters)) nil parameters))
       (delete-region start (point))
       (when (search-forward (concat "</" tag ">") nil t)
@@ -372,7 +367,10 @@ Use ALT-TEXT for the image string."
   (let ((args (list (car image)
                    'gnus-html-image-fetched
                    (list buffer image))))
-    (when (> (length (help-function-arglist 'url-retrieve)) 4)
+    (when (> (length (if (featurep 'xemacs)
+                        (split-string (function-arglist 'url-retrieve))
+                      (help-function-arglist 'url-retrieve)))
+            4)
       (setq args (nconc args (list t))))
     (apply #'url-retrieve args)))
 
@@ -436,7 +434,19 @@ Return a string with image data."
                                  (= (car size) 30)
                                  (= (cdr size) 30))))
                   ;; Good image, add it!
-                  (let ((image (gnus-html-rescale-image image data size)))
+                  (let ((image (gnus-rescale-image
+                                image
+                                (let ((edges (gnus-window-inside-pixel-edges
+                                              (get-buffer-window (current-buffer)))))
+                                  ;; (width . height)
+                                  (cons
+                                   ;; Aimed width
+                                   (truncate
+                                    (* gnus-max-image-proportion
+                                       (- (nth 2 edges) (nth 0 edges))))
+                                   ;; Aimed height
+                                   (truncate (* gnus-max-image-proportion
+                                                (- (nth 3 edges) (nth 1 edges)))))))))
                     (delete-region start end)
                     (gnus-put-image image alt-text 'external)
                     (gnus-put-text-property start (point) 'help-echo alt-text)
@@ -459,31 +469,6 @@ Return a string with image data."
                   (gnus-add-image 'internal image))
                 nil))))))))
 
-(defun gnus-html-rescale-image (image data size)
-  (if (or (not (fboundp 'imagemagick-types))
-         (not (get-buffer-window (current-buffer))))
-      image
-    (let* ((width (car size))
-          (height (cdr size))
-          (edges (gnus-window-inside-pixel-edges
-                  (get-buffer-window (current-buffer))))
-          (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)))))
-          scaled-image)
-      (when (> height window-height)
-       (setq image (or (create-image data 'imagemagick t
-                                     :height window-height)
-                       image))
-       (setq size (image-size image t)))
-      (when (> (car size) window-width)
-       (setq image (or
-                    (create-image data 'imagemagick t
-                                  :width window-width)
-                    image)))
-      image)))
-
 (defun gnus-html-image-url-blocked-p (url blocked-images)
   "Find out if URL is blocked by BLOCKED-IMAGES."
   (let ((ret (and blocked-images