mac fixes part II

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10047 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/dc.cpp

@@ -83,6 +83,10 @@ wxDC::wxDC()
 	m_macClipRect.right = 32000 ;
 	m_macClipRect.bottom = 32000 ;
 	::GetPort( &m_macOrigPort ) ;
+
+    m_pen = *wxBLACK_PEN;
+    m_font = *wxNORMAL_FONT;
+    m_brush = *wxWHITE_BRUSH;
 };
 
 wxDC::~wxDC(void)