dcMem.SelectObject(bmp);
dcMem.Blit(wxPoint(0, 0), size, &dc, ptSource
-#if defined(__WXGTK__) && !defined(__WX_DC_BLIT_FIXED__)
+#if defined(__WXGTK__) && !defined(wxHAS_WORKING_GTK_DC_BLIT)
+ GetClientAreaOrigin()
#endif // broken wxGTK wxDC::Blit
);