From 54c20b57f2e023fdb3125b76ac0197064ddcf918 Mon Sep 17 00:00:00 2001
From: "marco." <serantoni@gmail.com>
Date: Tue, 10 Jan 2012 20:52:48 +0100
Subject: [PATCH] MacOSX: Main issue catch! wxPen with size 0 draws NOTHING (8
 months to spot it)

---
 common/gr_basic.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/common/gr_basic.cpp b/common/gr_basic.cpp
index 8fd323a501..17808c8667 100644
--- a/common/gr_basic.cpp
+++ b/common/gr_basic.cpp
@@ -357,6 +357,12 @@ void GRSetColorPen( wxDC* DC, int Color, int width, wxPenStyle style )
     if( width < 0 )
         width = 0;
 
+#ifdef __WXMAC__
+    // Under OSX when wxPen is set to 0, cocoa follows the request drawing nothing
+    if( width == 0)
+        width = DC->DeviceToLogicalXRel( 1 );
+#endif
+
     if( s_ForceBlackPen )
     {
         Color = BLACK;