Variable: image-dired-cmd-pngcrush-program

image-dired-cmd-pngcrush-program is a customizable variable defined in image-dired-external.el.gz.

Value

nil

Documentation

The file name of the pngcrush program.

It optimizes the compression of PNG images. It also adds PNG textual chunks with the information required by the Thumbnail Managing Standard.

Source Code

;; Defined in /usr/src/emacs/lisp/image/image-dired-external.el.gz
(defcustom image-dired-cmd-pngcrush-program (executable-find "pngcrush")
  "The file name of the `pngcrush' program.
It optimizes the compression of PNG images.  It also adds PNG textual chunks
with the information required by the Thumbnail Managing Standard."
  :type '(choice (const :tag "Not Set" nil) file))