Function: xterm--set-background-mode

xterm--set-background-mode is a byte-compiled function defined in xterm.el.gz.

Signature

(xterm--set-background-mode REDC GREENC BLUEC)

Source Code

;; Defined in /usr/src/emacs/lisp/term/xterm.el.gz
(defun xterm--set-background-mode (redc greenc bluec)
  ;; Use the heuristic in `frame-set-background-mode' to decide if a
  ;; frame is dark.
  (set-terminal-parameter
   nil 'background-mode
   (if (< (+ redc greenc bluec) (* .6 (+ 65535 65535 65535)))
       'dark
     'light)))