Function: image-dired-optipng-thumb

image-dired-optipng-thumb is a byte-compiled function defined in image-dired.el.gz.

Signature

(image-dired-optipng-thumb SPEC)

Documentation

Optimize thumbnail described by format SPEC with optipng(1).

Source Code

;; Defined in /usr/src/emacs/lisp/image-dired.el.gz
(defun image-dired-optipng-thumb (spec)
  "Optimize thumbnail described by format SPEC with optipng(1)."
  (let ((process
         (apply #'start-process "image-dired-optipng" nil
                image-dired-cmd-optipng-program
                (mapcar (lambda (arg) (format-spec arg spec))
                        image-dired-cmd-optipng-options))))
    (setf (process-sentinel process)
          (lambda (process status)
            (unless (and (eq (process-status process) 'exit)
                         (zerop (process-exit-status process)))
              (message "command %S %s" (process-command process)
                       (string-replace "\n" "" status)))))
    process))