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diff --git a/lotuswordpro/inc/lwptools.hxx b/lotuswordpro/inc/lwptools.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: IBM Corporation
+ *
+ *  Copyright: 2008 by IBM Corporation
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+/*************************************************************************
+ * @file
+ *  to provide basic utilities for word pro filter
+ ************************************************************************/
+
+#ifndef INCLUDED_LOTUSWORDPRO_INC_LWPTOOLS_HXX
+#define INCLUDED_LOTUSWORDPRO_INC_LWPTOOLS_HXX
+
+#include <config_lgpl.h>
+
+#include "lwpobjstrm.hxx"
+#include "localtime.hxx"
+#include "xfilter/xfdatestyle.hxx"
+#include "xfilter/xftimestyle.hxx"
+#include <rtl/textenc.h>
+#include <stdexcept>
+#include <string_view>
+
+// 01/19/2005
+const sal_uInt32 UNITS_PER_INCH = 65536L * 72L;
+const double CM_PER_INCH = 2.54;
+//end
+
+const double POINTS_PER_INCH = 72.27;
+const double TWIPS_PER_POINT = 20.0;
+const double TWIPS_PER_INCH = TWIPS_PER_POINT * POINTS_PER_INCH;
+const double TWIPS_PER_CM = TWIPS_PER_INCH/CM_PER_INCH;
+/**
+ * @brief   tool class (unicode, conversion) for lwp filter.
+*/
+class LwpTools
+{
+
+public:
+    static void QuickReadUnicode( LwpObjectStream* pObjStrm,
+        OUString& str, sal_uInt16 strlen,  rtl_TextEncoding aEncoding );
+    static bool IsUnicodePacked(LwpObjectStream* pObjStrm, sal_uInt16 len);
+
+    inline static double ConvertFromUnits(sal_Int32 nUnits);
+    inline static double ConvertToMetric(double fInch);
+    inline static double ConvertFromUnitsToMetric(sal_Int32 nUnits);
+
+    inline static bool IsOddNumber(sal_uInt16 nNumber);
+    inline static bool IsEvenNumber(sal_uInt16 nNumber);
+
+    static bool isFileUrl(std::string_view fileName);
+    static OUString convertToFileUrl(const OString& fileName);
+    static OUString    DateTimeToOUString(const LtTm& dt);
+
+    static std::unique_ptr<XFDateStyle> GetSystemDateStyle(bool bLongFormat);
+    static std::unique_ptr<XFTimeStyle> GetSystemTimeStyle();
+};
+
+inline double LwpTools::ConvertFromUnits(sal_Int32 nUnits)
+{
+    return static_cast<double>(nUnits)/UNITS_PER_INCH;
+}
+inline double LwpTools::ConvertToMetric(double fInch)
+{
+    return fInch*CM_PER_INCH;
+}
+inline double LwpTools::ConvertFromUnitsToMetric(sal_Int32 nUnits)
+{
+    double fInch = ConvertFromUnits(nUnits);
+    return ConvertToMetric(fInch);
+}
+inline bool LwpTools::IsOddNumber(sal_uInt16 nNumber)
+{
+    return (nNumber%2) != 0;
+}
+inline bool LwpTools::IsEvenNumber(sal_uInt16 nNumber)
+{
+    return (nNumber%2) == 0;
+}
+
+class BadSeek : public std::runtime_error
+{
+public:
+    BadSeek() : std::runtime_error("Lotus Word Pro Bad Seek") { }
+};
+
+class BadRead: public std::runtime_error
+{
+public:
+    BadRead() : std::runtime_error("Lotus Word Pro Bad Read") { }
+};
+
+class BadDecompress : public std::runtime_error
+{
+public:
+    BadDecompress() : std::runtime_error("Lotus Word Pro Bad Decompress") { }
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */