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diff --git a/writerfilter/inc/resourcemodel/Fraction.hxx b/writerfilter/inc/resourcemodel/Fraction.hxx
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+++ b/writerfilter/inc/resourcemodel/Fraction.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef INCLUDED_FRACTION_HXX
+#define INCLUDED_FRACTION_HXX
+
+#include <sal/types.h>
+
+namespace writerfilter {
+namespace resourcemodel {
+
+class Fraction
+{
+public:
+    explicit Fraction(sal_Int32 nNumerator, sal_Int32 nDenominator = 1);
+    explicit Fraction(const Fraction & a, const Fraction & b);
+    virtual ~Fraction();
+
+    void init(sal_Int32 nNumerator, sal_Int32 nDenominator);
+    void assign(const Fraction & rFraction);
+
+    Fraction inverse() const;
+
+    Fraction operator=(const Fraction & rFraction);
+    Fraction operator+(const Fraction & rFraction) const;
+    Fraction operator-(const Fraction & rFraction) const;
+    Fraction operator*(const Fraction & rFraction) const;
+    Fraction operator/(const Fraction & rFraction) const;
+    operator sal_Int32() const;
+    operator float() const;
+
+private:
+    sal_Int32 mnNumerator;
+    sal_Int32 mnDenominator;
+};
+}}
+#endif // INCLUDED_FRACTION_HXX