[Lemon-commits] [lemon_svn] alpar: r1587 - hugo/trunk/src/lemon

[Lemon SVN]

Author: alpar
Date: Mon Feb 28 14:03:36 2005
New Revision: 1587

Modified:
   hugo/trunk/src/lemon/graph_to_eps.h

Log:
Better color to bw conversion

Modified: hugo/trunk/src/lemon/graph_to_eps.h
==============================================================================
--- hugo/trunk/src/lemon/graph_to_eps.h	(original)
+++ hugo/trunk/src/lemon/graph_to_eps.h	Mon Feb 28 14:03:36 2005
@@ -157,8 +157,8 @@
 ///Returns black for light colors and white for the dark ones.
 ///\todo weighted average would be better
 inline Color distantBW(const Color &c){
-  double v=(c.getR()+c.getR()+c.getR())<1.5?1:0;
-  
+  //  double v=(c.getR()+c.getG()+c.getB())<1.5?1:0;
+  double v=(.2125*c.getR()+.7154*c.getG()+.0721*c.getB())<.5?1:0;
   return Color(v,v,v);
 }