don't compare invalid iterators/node pointers

[wxWidgets.git] / src / gtk1 / dc.cpp

diff --git a/src/gtk1/dc.cpp b/src/gtk1/dc.cpp
index 46ea5626c490821d5fe286b97c78456ae55343c8..80d08c5b01de62f90b486fd830bbef949f7deb6d 100644 (file)
--- a/src/gtk1/dc.cpp
+++ b/src/gtk1/dc.cpp
@@ -3,31 +3,18 @@
 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
-// Copyright:   (c) 1998 Robert Roebling, Markus Holzem
+// Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-
-#ifdef __GNUG__
-    #pragma implementation "dc.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/dc.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
-
-#define mm2inches        0.0393700787402
-#define inches2mm        25.4
-#define mm2twips         56.6929133859
-#define twips2mm         0.0176388888889
-#define mm2pt            2.83464566929
-#define pt2mm            0.352777777778
-
 //-----------------------------------------------------------------------------
 // wxDC
 //-----------------------------------------------------------------------------
@@ -62,11 +49,6 @@ void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord hei
     m_clipY2 = y + height;
 }
 
-void wxDC::DestroyClippingRegion()
-{
-    m_clipping = FALSE;
-}
-
 // ---------------------------------------------------------------------------
 // get DC capabilities
 // ---------------------------------------------------------------------------
@@ -119,7 +101,7 @@ void wxDC::SetMapMode( int mode )
           break;
     }
     m_mappingMode = mode;
-    
+
 /*  we don't do this mega optimisation
     if (mode != wxMM_TEXT)
     {