An elisp function for encoding a region into a QR code from emacs. Uses java class http://gist.github.com/420377 and core.jar from http://code.google.com/p/zxing/

qr-encode.el

;;; qr-encode.el --- 
;; 
;; Description: A function for encoding a region into a QR code from emacs. 
;;    Uses java class http://gist.github.com/420377 and core.jar from 
;;    http://code.google.com/p/zxing/
;;
;; URL: http://gist.github.com/420386
;;
;; Author: Scott Douglas-Watson

(defun qr-encode-region (start end)
  (interactive "r")
  (let ((b "QR-Encode"))
    (kill-buffer (get-buffer-create b))
    (call-process-region start end "java"
                       nil b nil
                       "-cp" 
                       "c:\\Users\\scottdw\\src\\CmdZXing\\dist\\CmdZXing.jar"
                       "scottdw.cmd.zxing.InToQrPbm")
    (switch-to-buffer b)
    (image-mode)))