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| author | Chong Yidong <cyd@stupidchicken.com> | 2006-01-30 20:44:44 +0000 |
|---|---|---|
| committer | Chong Yidong <cyd@stupidchicken.com> | 2006-01-30 20:44:44 +0000 |
| commit | 2bd53dc0718af4f3184d213f096bde5bbcc46a90 (patch) | |
| tree | ec8a0d1446c04240124137773b2cce20b6c002ad /lisp/image-mode.el | |
| parent | c45c309fe28b83f7ab0c59ea225084374c783931 (diff) | |
| download | emacs-2bd53dc0718af4f3184d213f096bde5bbcc46a90.tar.gz | |
* image-mode.el (image-toggle-display): Use file name if possible,
instead of unnecessarily allocating a (possibly huge) lisp string.
Diffstat (limited to 'lisp/image-mode.el')
| -rw-r--r-- | lisp/image-mode.el | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/lisp/image-mode.el b/lisp/image-mode.el index 67d1bcee995..3c0544edf89 100644 --- a/lisp/image-mode.el +++ b/lisp/image-mode.el @@ -137,11 +137,14 @@ and showing the image as an image." (message "Repeat this command to go back to displaying the image"))) ;; Turn the image data into a real image, but only if the whole file ;; was inserted - (let* ((data - (string-make-unibyte - (buffer-substring-no-properties (point-min) (point-max)))) - (image - (create-image data nil t)) + (let* ((image + (if (and (buffer-file-name) + (not (buffer-modified-p))) + (create-image (buffer-file-name)) + (create-image + (string-make-unibyte + (buffer-substring-no-properties (point-min) (point-max))) + nil t))) (props `(display ,image intangible ,image |