Function: xterm-maybe-set-dark-background-mode

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

Signature

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

Source Code

;; Defined in /usr/src/emacs/lisp/term/xterm.el.gz
(defun xterm-maybe-set-dark-background-mode (redc greenc bluec)
  ;; Use the heuristic in `frame-set-background-mode' to decide if a
  ;; frame is dark.
  (when (< (+ redc greenc bluec) (* .6 (+ 65535 65535 65535)))
    (set-terminal-parameter nil 'background-mode 'dark)
    t))