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diff --git a/include/basegfx/tuple/b3ituple.hxx b/include/basegfx/tuple/b3ituple.hxx
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+++ b/include/basegfx/tuple/b3ituple.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <sal/types.h>
+#include <basegfx/basegfxdllapi.h>
+#include <basegfx/tuple/Tuple3D.hxx>
+
+namespace basegfx
+{
+    /** Base class for all Points/Vectors with three sal_Int32 values
+
+        This class provides all methods common to Point
+        and Vector classes which are derived from here.
+
+        @derive Use this class to implement Points or Vectors
+        which are based on three sal_Int32 values
+    */
+    class SAL_WARN_UNUSED BASEGFX_DLLPUBLIC B3ITuple : public Tuple3D<sal_Int32>
+    {
+    public:
+        /** Create a 3D Tuple
+
+            The tuple is initialized to (0, 0, 0)
+        */
+        B3ITuple()
+            : Tuple3D(0, 0, 0)
+        {}
+
+        /** Create a 3D Tuple
+
+            @param nX
+            This parameter is used to initialize the X-coordinate
+            of the 3D Tuple.
+
+            @param nY
+            This parameter is used to initialize the Y-coordinate
+            of the 3D Tuple.
+
+            @param nZ
+            This parameter is used to initialize the Z-coordinate
+            of the 3D Tuple.
+        */
+        B3ITuple(sal_Int32 nX, sal_Int32 nY, sal_Int32 nZ)
+            : Tuple3D(nX, nY, nZ)
+        {}
+
+        /// Array-access to 3D Tuple
+        const sal_Int32& operator[] (int nPos) const
+        {
+            // Here, normally two if(...)'s should be used. In the assumption that
+            // both sal_Int32 members can be accessed as an array a shortcut is used here.
+            // if(0 == nPos) return mnX; if(1 == nPos) return mnY; return mnZ;
+            return *((&mnX) + nPos);
+        }
+
+        /// Array-access to 3D Tuple
+        sal_Int32& operator[] (int nPos)
+        {
+            // Here, normally two if(...)'s should be used. In the assumption that
+            // both sal_Int32 members can be accessed as an array a shortcut is used here.
+            // if(0 == nPos) return mnX; if(1 == nPos) return mnY; return mnZ;
+            return *((&mnX) + nPos);
+        }
+
+        // operators
+
+        B3ITuple operator-(void) const
+        {
+            return B3ITuple(-mnX, -mnY, -mnZ);
+        }
+    };
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */