diff options
Diffstat (limited to 'lisp/net/shr.el')
| -rw-r--r-- | lisp/net/shr.el | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/lisp/net/shr.el b/lisp/net/shr.el index e0bb3dbb2b7..1c2ea3c7bc5 100644 --- a/lisp/net/shr.el +++ b/lisp/net/shr.el @@ -1011,18 +1011,25 @@ element is the data blob and the second element is the content-type." image) (insert (or alt "")))) -(defun shr-rescale-image (data content-type width height) +(defun shr-rescale-image (data content-type width height + &optional max-width max-height) "Rescale DATA, if too big, to fit the current buffer. -WIDTH and HEIGHT are the sizes given in the HTML data, if any." +WIDTH and HEIGHT are the sizes given in the HTML data, if any. + +The size of the displayed image will not exceed +MAX-WIDTH/MAX-HEIGHT. If not given, use the current window +width/height instead." (if (or (not (fboundp 'imagemagick-types)) (not (get-buffer-window (current-buffer)))) (create-image data nil t :ascent 100) (let* ((edges (window-inside-pixel-edges (get-buffer-window (current-buffer)))) (max-width (truncate (* shr-max-image-proportion - (- (nth 2 edges) (nth 0 edges))))) + (or max-width + (- (nth 2 edges) (nth 0 edges)))))) (max-height (truncate (* shr-max-image-proportion - (- (nth 3 edges) (nth 1 edges))))) + (or max-height + (- (nth 3 edges) (nth 1 edges)))))) (scaling (image-compute-scaling-factor image-scaling-factor))) (when (or (and width (> width max-width)) |