From d1189e5f6ab457ec23c2af19c5d61e49a8321f8e Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Fri, 6 Mar 2009 19:38:40 +0000
Subject: [PATCH] fix set-smoothing problem for bitmap-dc% having no bitmap

svn: r13987
---
 src/wxmac/src/mac/wx_dccan1.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/wxmac/src/mac/wx_dccan1.cc b/src/wxmac/src/mac/wx_dccan1.cc
index c8fdf3ae77..7ee0284994 100644
--- a/src/wxmac/src/mac/wx_dccan1.cc
+++ b/src/wxmac/src/mac/wx_dccan1.cc
@@ -940,7 +940,8 @@ Bool wxCanvasDC::GlyphAvailable(int c, wxFont *f)
 void wxCanvasDC::SetAntiAlias(Bool v)
 {
   if (anti_alias != v) {
-    cMacDC->EndCG();
+    if (cMacDC)
+      cMacDC->EndCG();
   }
   wxbCanvasDC::SetAntiAlias(v);
 }