http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/include/wx/gdiobj.h

@@ -0,0 +1,51 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/gdiobj.h
+// Purpose:     wxGDIObject base header
+// Author:      Julian Smart
+// Modified by:
+// Created:
+// Copyright:   (c) Julian Smart
+// RCS-ID:      $Id: gdiobj.h 42211 2006-10-21 17:19:11Z SN $
+// Licence:     wxWindows Licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GDIOBJ_H_BASE_
+#define _WX_GDIOBJ_H_BASE_
+
+#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(__WXPM__) || 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(__WXPM__)
+
+    DECLARE_DYNAMIC_CLASS(wxGDIObject)
+};
+
+#endif
+    // _WX_GDIOBJ_H_BASE_