From: Gerd Moellmann <gerd@gnu.org>
Date: Fri, 3 Sep 1999 18:49:55 +0000 (+0000)
Subject: (struct frame): New member `gamma'.
X-Git-Tag: emacs-pretest-21.0.90~6915
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=b61cbba3c14949390100577dbf0592b23a7e0def;p=emacs.git

(struct frame): New member `gamma'.
---

diff --git a/src/frame.h b/src/frame.h
index 6a4e62be3ea..27a5c9715f5 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -346,6 +346,11 @@ struct frame
   /* Nonzero if the mouse has moved on this display
      since the last time we checked.  */
   char mouse_moved;
+
+  /* Exponent for gamma correction of colors.  1/(VIEWING_GAMMA *
+     SCREEN_GAMMA) where viewing_gamma is 0.4545 and SCREEN_GAMMA is a
+     frame parameter.  0 means don't do gamma correction.  */
+  double gamma;
 };
 
 #ifdef MULTI_KBOARD