// Part of the Architektonas Project
// Originally part of QCad Community Edition by Andrew Mustun
// Extensively rewritten and refactored by James L. Hammons
-// (C) 2010 Underground Software
+// Portions copyright (C) 2001-2003 RibbonSoft
+// Copyright (C) 2010 Underground Software
+// See the README and GPLv2 files for licensing and warranty information
//
// JLH = James L. Hammons <jlhamm@acm.org>
//
#include "rs_filtercxf.h"
#include "rs_filterdxf.h"
#include "rs_filterdxf1.h"
+#include "rs_filterinterface.h"
RS_FileIO * RS_FileIO::uniqueInstance = NULL;
}
*/
- if (filter != NULL)
+ if (filter)
return filter->fileImport(graphic, file, t);
else
{