-#if defined(__WXMSW__)
-#include "wx/msw/gdiobj.h"
-#elif defined(__WXMOTIF__)
-#include "wx/motif/gdiobj.h"
-#elif defined(__WXGTK__)
-#include "wx/gtk/gdiobj.h"
-#elif defined(__WXMGL__)
-#include "wx/mgl/gdiobj.h"
-#elif defined(__WXMAC__)
-#include "wx/mac/gdiobj.h"
-#elif defined(__WXPM__)
-#include "wx/os2/gdiobj.h"
-#elif defined(__WXSTUBS__)
-#include "wx/stubs/gdiobj.h"
-#endif
+#include "wx/object.h"
+
+// ----------------------------------------------------------------------------
+// wxGDIRefData is the base class for wxXXXData structures which contain the
+// real data for the GDI object and are shared among all wxWin objects sharing
+// the same native GDI object
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxGDIRefData: public wxObjectRefData { };
+
+// ----------------------------------------------------------------------------
+// wxGDIObject
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxGDIObject: public wxObject
+{
+public:
+ bool IsNull() const { return m_refData == NULL; }
+
+#if defined(__WXMSW__) || defined(__WXOS2__) || defined(__WXPALMOS__)
+ // Creates the resource
+ virtual bool RealizeResource() { return false; }
+
+ // Frees the resource
+ virtual bool FreeResource(bool WXUNUSED(force) = false) { return false; }
+
+ virtual bool IsFree() const { return false; }
+
+ // Returns handle.
+ virtual WXHANDLE GetResourceHandle() const { return 0; }
+#endif // defined(__WXMSW__) || defined(__WXOS2__)
+
+ DECLARE_DYNAMIC_CLASS(wxGDIObject)
+};