Index: NSColor.m
===================================================================
RCS file: /cvsroot/gnustep/gnustep/core/gui/Source/NSColor.m,v
retrieving revision 1.48
diff -u -r1.48 NSColor.m
--- NSColor.m	30 Jan 2004 19:49:00 -0000	1.48
+++ NSColor.m	30 Sep 2004 12:58:45 -0000
@@ -27,6 +27,8 @@
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
 
+#include <math.h>
+
 #include "config.h"
 #include <Foundation/NSString.h>
 #include <Foundation/NSArchiver.h>
@@ -170,7 +172,17 @@
   NSString *gray;
   NSString *darkGray;
   NSString *black;
-  
+
+  double gamma;
+  NSUserDefaults *ud;
+
+  ud = [NSUserDefaults standardUserDefaults];
+  if ([ud stringForKey: @"GSSystemColorGamma"])
+    gamma = [[ud stringForKey: @"GSSystemColorGamma"] doubleValue];
+  else
+    gamma = 1.6;
+  gamma = 1.0 / gamma;
+
   // Set up a dictionary containing the names of all the system colors
   // as keys and with colors in string format as values.
   white = [NSString stringWithFormat: @"%f %f %f",
@@ -238,11 +250,25 @@
 	  NSString *cs;
 	  NSColor *c;
 
-	  if ([systemColors colorWithKey: r])
-	    continue;
+/*	  if ([systemColors colorWithKey: r])
+	    continue;*/
 
 	  cs = [colorStrings objectForKey: r];
 	  c = [NSColorClass colorFromString: cs];
+	  c = [c colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
+	  {
+	    double r=[c redComponent];
+	    double g=[c greenComponent];
+	    double b=[c blueComponent];
+	    double a=[c alphaComponent];
+	    r = pow(r, gamma);
+	    g = pow(g, gamma);
+	    b = pow(b, gamma);
+	    c = [NSColorClass colorWithCalibratedRed: r
+					       green: g
+						blue: b
+					       alpha: a];
+	  }
 
 	  NSCAssert1(c, @"couldn't get default system color %@", r);