Add functions to change the speed of animated images

* lisp/image-mode.el (image-mode-map): Add menu items to reverse,
increase, decrease, reset animation speed.
(image--set-speed, image-increase-speed, image-decrease-speed)
(image-reverse-speed, image-reset-speed): New functions.
(image-mode-map): Add bindings for speed commands.

* lisp/image.el (image-animate-get-speed, image-animate-set-speed):
New functions.
(image-animate-timeout): Respect image :speed property.

* etc/NEWS: Mention this.

1 files changed, 12 insertions, 0 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 9119b34d52c..cad6788f0e8 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,15 @@
+2013-08-16  Glenn Morris  <rgm@gnu.org>
+
+        * image-mode.el (image-mode-map): Add menu items to reverse,
+        increase, decrease, reset animation speed.
+        (image--set-speed, image-increase-speed, image-decrease-speed)
+        (image-reverse-speed, image-reset-speed): New functions.
+        (image-mode-map): Add bindings for speed commands.
+
+        * image.el (image-animate-get-speed, image-animate-set-speed):
+        New functions.
+        (image-animate-timeout): Respect image :speed property.
+
 2013-08-15  Stefan Monnier  <monnier@iro.umontreal.ca>
 
         * emacs-lisp/debug.el (debugger-setup-buffer): Put point on the