Index: QLPainter.C
===================================================================
--- QLPainter.C	(Revision 17628)
+++ QLPainter.C	(Arbeitskopie)
@@ -41,6 +41,9 @@
 	current_color_ = LColor::black;
 	current_ls_ = line_solid;
 	current_lw_ = line_thin;
+  
+  setRenderHint( Antialiasing );
+  setRenderHint( TextAntialiasing );
 }