Fix auto-revert resizing in image mode

* lisp/image-mode.el (image-transform-properties): Get image
parameters right after reverting; in particular, compute the
correct max size (bug#33631).

1 files changed, 4 insertions, 6 deletions

diff --git a/lisp/image-mode.el b/lisp/image-mode.el
index fa1362c471b..5c30f4085c3 100644
--- a/lisp/image-mode.el
+++ b/lisp/image-mode.el
@@ -736,8 +736,7 @@ was inserted."
          ;; If we have a `fit-width' or a `fit-height', don't limit
          ;; the size of the image to the window size.
          (edges (and (null image-transform-resize)
-                     (window-inside-pixel-edges
-                      (get-buffer-window (current-buffer)))))
+                     (window-inside-pixel-edges (get-buffer-window))))
          (type (if (image--imagemagick-wanted-p filename)
                    'imagemagick
                  (image-type file-or-data nil data-p)))
@@ -1150,6 +1149,7 @@ compiled with ImageMagick support."
     ;; Note: `image-size' looks up and thus caches the untransformed
     ;; image.  There's no easy way to prevent that.
     (let* ((size (image-size spec t))
+           (edges (window-inside-pixel-edges (get-buffer-window)))
            (resized
             (cond
              ((numberp image-transform-resize)
@@ -1159,13 +1159,11 @@ compiled with ImageMagick support."
              ((eq image-transform-resize 'fit-width)
               (image-transform-fit-width
                (car size) (cdr size)
-               (- (nth 2 (window-inside-pixel-edges))
-                  (nth 0 (window-inside-pixel-edges)))))
+               (- (nth 2 edges) (nth 0 edges))))
              ((eq image-transform-resize 'fit-height)
               (let ((res (image-transform-fit-width
                           (cdr size) (car size)
-                          (- (nth 3 (window-inside-pixel-edges))
-                             (nth 1 (window-inside-pixel-edges))))))
+                          (- (nth 3 edges) (nth 1 edges)))))
                 (cons (cdr res) (car res)))))))
       `(,@(when (car resized)
             (list :width (car resized)))