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diff --git a/chart2/source/view/charttypes/CategoryPositionHelper.hxx b/chart2/source/view/charttypes/CategoryPositionHelper.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 _CHART2_CATEGORYPOSITIONHELPER_HXX
+#define _CHART2_CATEGORYPOSITIONHELPER_HXX
+
+//.............................................................................
+namespace chart
+{
+//.............................................................................
+
+//-----------------------------------------------------------------------------
+/**
+*/
+
+class CategoryPositionHelper
+{
+public:
+    CategoryPositionHelper( double fSeriesCount, double CategoryWidth = 1.0);
+    CategoryPositionHelper( const CategoryPositionHelper& rSource );
+    virtual ~CategoryPositionHelper();
+
+    double getScaledSlotWidth() const;
+    virtual double getScaledSlotPos( double fCategoryX, double fSeriesNumber ) const;
+    virtual void setCategoryWidth( double fCategoryWidth );
+
+    //Distance between two neighboring bars in same category, seen relative to width of the bar
+    void setInnerDistance( double fInnerDistance );
+
+    //Distance between two neighboring bars in different category, seen relative to width of the bar:
+    void setOuterDistance( double fOuterDistance );
+
+protected:
+    double m_fSeriesCount;
+    double m_fCategoryWidth;
+    //Distance between two neighboring bars in same category, seen relative to width of the bar:
+    double m_fInnerDistance; //[-1,1] m_fInnerDistance=1 --> distance == width; m_fInnerDistance=-1-->all rects are painted on the same position
+    //Distance between two neighboring bars in different category, seen relative to width of the bar:
+    double m_fOuterDistance; //>=0 m_fOuterDistance=1 --> distance == width
+};
+
+//.............................................................................
+} //namespace chart
+//.............................................................................
+#endif