Variable: gnus-convert-image-to-face-command

gnus-convert-image-to-face-command is a customizable variable defined in gnus-fun.el.gz.

Value

"convert -scale 48x48! %s -colors %d png:-"

Documentation

Command for converting an image to a Face.

The command must take an image filename (first format argument
"%s") and the number of colors (second format argument: "%d")
as input. The output must be the Face header data on stdout in PNG format.

This variable was added, or its default value changed, in Emacs 22.1.

Source Code

;; Defined in /usr/src/emacs/lisp/gnus/gnus-fun.el.gz
(defcustom gnus-convert-image-to-face-command
  "convert -scale 48x48! %s -colors %d png:-"
  "Command for converting an image to a Face.

The command must take an image filename (first format argument
\"%s\") and the number of colors (second format argument: \"%d\")
as input.  The output must be the Face header data on stdout in
PNG format."
  :version "22.1"
  :group 'gnus-fun
  :type '(choice (const :tag "djpeg, netpbm (JPG input only)"
			"djpeg %s | ppmnorm | pnmscale -width 48 -height 48 | ppmquant %d | pnmtopng")
		 (const :tag "convert"
			"convert -scale 48x48! %s -colors %d png:-")
		 (string)))