(image-dired-cmd-create-thumbnail-options)

(image-dired-cmd-create-temp-image-options)
(image-dired-cmd-create-standard-thumbnail-command): Add > to the
ImageMagick command line to change the dimensions of the image
only if its width or height exceeds the geometry specification.

diff --git a/lisp/image-dired.el b/lisp/image-dired.el
index d92c1f8cd3b8446d944120cd4998e41cf8cfe2b1..7b0a55de2264249eb4611e63959b54fc64a295b0 100644 (file)
--- a/lisp/image-dired.el
+++ b/lisp/image-dired.el
@@ -229,7 +229,7 @@ Used together with `image-dired-cmd-create-thumbnail-options'."
   :group 'image-dired)
 
 (defcustom image-dired-cmd-create-thumbnail-options
-  "%p -size %wx%h \"%f\" -resize %wx%h -strip jpeg:\"%t\""
+  "%p -size %wx%h \"%f\" -resize \"%wx%h>\" -strip jpeg:\"%t\""
   "Format of command used to create thumbnail image.
 Available options are %p which is replaced by
 `image-dired-cmd-create-thumbnail-program', %w which is replaced by
@@ -247,7 +247,7 @@ Used together with `image-dired-cmd-create-temp-image-options'."
   :group 'image-dired)
 
 (defcustom image-dired-cmd-create-temp-image-options
-  "%p -size %wx%h \"%f\" -resize %wx%h -strip jpeg:\"%t\""
+  "%p -size %wx%h \"%f\" -resize \"%wx%h>\" -strip jpeg:\"%t\""
   "Format of command used to create temporary image for display window.
 Available options are %p which is replaced by
 `image-dired-cmd-create-temp-image-program', %w and %h which is replaced by
@@ -280,7 +280,7 @@ with the information required by the Thumbnail Managing Standard."
       "-set \"Thumb::URI\" \"file://%f\" "
       "-set \"Description\" \"Thumbnail of file://%f\" "
       "-set \"Software\" \"" (emacs-version) "\" "))
-   "-thumbnail %wx%h png:\"%t\""
+   "-thumbnail \"%wx%h>\" png:\"%t\""
    (if image-dired-cmd-pngnq-program
        (concat
         " ; " image-dired-cmd-pngnq-program " -f \"%t\""