Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 1174 insertions, 0 deletions

diff --git a/include/basegfx/tuple/b2dtuple.hxx b/include/basegfx/tuple/b2dtuple.hxx
new file mode 100644
index 000000000..0c7b7f463
--- /dev/null
+++ b/include/basegfx/tuple/b2dtuple.hxx
@@ -0,0 +1,291 @@
+/* -*- 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/numeric/ftools.hxx>
+#include <basegfx/basegfxdllapi.h>
+#include <basegfx/utils/common.hxx>
+
+namespace basegfx
+{
+    class B2ITuple;
+
+    /** Base class for all Points/Vectors with two double 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 two double values
+    */
+    class SAL_WARN_UNUSED B2DTuple
+    {
+    protected:
+        double mfX;
+        double mfY;
+
+    public:
+
+        /** Create a 2D Tuple
+
+            The tuple is initialized to (0.0, 0.0)
+        */
+        B2DTuple()
+        :   mfX(0.0),
+            mfY(0.0)
+        {}
+
+        /** Create a 2D Tuple
+
+            @param fX
+            This parameter is used to initialize the X-coordinate
+            of the 2D Tuple.
+
+            @param fY
+            This parameter is used to initialize the Y-coordinate
+            of the 2D Tuple.
+        */
+        B2DTuple(double fX, double fY)
+        :   mfX( fX ),
+            mfY( fY )
+        {}
+
+        /** Create a copy of a 2D integer Tuple
+
+            @param rTup
+            The 2D Tuple which will be copied.
+        */
+        BASEGFX_DLLPUBLIC explicit B2DTuple(const B2ITuple& rTup);
+
+        /// Get X-Coordinate of 2D Tuple
+        double getX() const
+        {
+            return mfX;
+        }
+
+        /// Get Y-Coordinate of 2D Tuple
+        double getY() const
+        {
+            return mfY;
+        }
+
+        /// Set X-Coordinate of 2D Tuple
+        void setX(double fX)
+        {
+            mfX = fX;
+        }
+
+        /// Set Y-Coordinate of 2D Tuple
+        void setY(double fY)
+        {
+            mfY = fY;
+        }
+
+        double get(Axis2D eAxis)
+        {
+            return eAxis == Axis2D::X ? getX() : getY();
+        }
+
+        void set(Axis2D eAxis, double fValue)
+        {
+            if (eAxis == Axis2D::X)
+                setX(fValue);
+            else
+                setY(fValue);
+        }
+
+        // comparators with tolerance
+
+        bool equalZero() const
+        {
+            return (this == &getEmptyTuple() ||
+                    (fTools::equalZero(mfX) && fTools::equalZero(mfY)));
+        }
+
+        bool equal(const B2DTuple& rTup) const
+        {
+            return (
+                this == &rTup ||
+                (fTools::equal(mfX, rTup.mfX) &&
+                fTools::equal(mfY, rTup.mfY)));
+        }
+
+        // operators
+
+
+        B2DTuple& operator+=( const B2DTuple& rTup )
+        {
+            mfX += rTup.mfX;
+            mfY += rTup.mfY;
+            return *this;
+        }
+
+        B2DTuple& operator-=( const B2DTuple& rTup )
+        {
+            mfX -= rTup.mfX;
+            mfY -= rTup.mfY;
+            return *this;
+        }
+
+        B2DTuple& operator/=( const B2DTuple& rTup )
+        {
+            mfX /= rTup.mfX;
+            mfY /= rTup.mfY;
+            return *this;
+        }
+
+        B2DTuple& operator*=( const B2DTuple& rTup )
+        {
+            mfX *= rTup.mfX;
+            mfY *= rTup.mfY;
+            return *this;
+        }
+
+        B2DTuple& operator*=(double t)
+        {
+            mfX *= t;
+            mfY *= t;
+            return *this;
+        }
+
+        B2DTuple& operator/=(double t)
+        {
+            const double fVal(1.0 / t);
+            mfX *= fVal;
+            mfY *= fVal;
+            return *this;
+        }
+
+        B2DTuple operator-(void) const
+        {
+            return B2DTuple(-mfX, -mfY);
+        }
+
+        bool operator==( const B2DTuple& rTup ) const
+        {
+            return mfX == rTup.mfX && mfY == rTup.mfY;
+        }
+
+        bool operator!=( const B2DTuple& rTup ) const
+        {
+            return mfX != rTup.mfX || mfY != rTup.mfY;
+        }
+
+        BASEGFX_DLLPUBLIC static const B2DTuple& getEmptyTuple();
+    };
+
+    // external operators
+
+
+    inline B2DTuple absolute(const B2DTuple& rTup)
+    {
+        B2DTuple aAbs(
+            fabs(rTup.getX()),
+            fabs(rTup.getY()));
+        return aAbs;
+    }
+
+    inline B2DTuple interpolate(const B2DTuple& rOld1, const B2DTuple& rOld2, double t)
+    {
+        if(rOld1 == rOld2)
+        {
+            return rOld1;
+        }
+        else if(0.0 >= t)
+        {
+            return rOld1;
+        }
+        else if(1.0 <= t)
+        {
+            return rOld2;
+        }
+        else
+        {
+            return B2DTuple(
+                ((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX(),
+                ((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY());
+        }
+    }
+
+    inline B2DTuple average(const B2DTuple& rOld1, const B2DTuple& rOld2)
+    {
+        return B2DTuple(
+            rtl_math_approxEqual(rOld1.getX(), rOld2.getX()) ? rOld1.getX() : (rOld1.getX() + rOld2.getX()) * 0.5,
+            rtl_math_approxEqual(rOld1.getY(), rOld2.getY()) ? rOld1.getY() : (rOld1.getY() + rOld2.getY()) * 0.5);
+    }
+
+    inline B2DTuple operator+(const B2DTuple& rTupA, const B2DTuple& rTupB)
+    {
+        B2DTuple aSum(rTupA);
+        aSum += rTupB;
+        return aSum;
+    }
+
+    inline B2DTuple operator-(const B2DTuple& rTupA, const B2DTuple& rTupB)
+    {
+        B2DTuple aSub(rTupA);
+        aSub -= rTupB;
+        return aSub;
+    }
+
+    inline B2DTuple operator/(const B2DTuple& rTupA, const B2DTuple& rTupB)
+    {
+        B2DTuple aDiv(rTupA);
+        aDiv /= rTupB;
+        return aDiv;
+    }
+
+    inline B2DTuple operator*(const B2DTuple& rTupA, const B2DTuple& rTupB)
+    {
+        B2DTuple aMul(rTupA);
+        aMul *= rTupB;
+        return aMul;
+    }
+
+    inline B2DTuple operator*(const B2DTuple& rTup, double t)
+    {
+        B2DTuple aNew(rTup);
+        aNew *= t;
+        return aNew;
+    }
+
+    inline B2DTuple operator*(double t, const B2DTuple& rTup)
+    {
+        B2DTuple aNew(rTup);
+        aNew *= t;
+        return aNew;
+    }
+
+    inline B2DTuple operator/(const B2DTuple& rTup, double t)
+    {
+        B2DTuple aNew(rTup);
+        aNew /= t;
+        return aNew;
+    }
+
+    /** Round double to nearest integer for 2D tuple
+
+        @return the nearest integer for this tuple
+    */
+    BASEGFX_DLLPUBLIC B2ITuple fround(const B2DTuple& rTup);
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/basegfx/tuple/b2i64tuple.hxx b/include/basegfx/tuple/b2i64tuple.hxx
new file mode 100644
index 000000000..5f2350b66
--- /dev/null
+++ b/include/basegfx/tuple/b2i64tuple.hxx
@@ -0,0 +1,176 @@
+/* -*- 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>
+
+
+namespace basegfx
+{
+    /** Base class for all Points/Vectors with two sal_Int64 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 two sal_Int64 values
+    */
+    class SAL_WARN_UNUSED BASEGFX_DLLPUBLIC B2I64Tuple final
+    {
+        sal_Int64                                       mnX;
+        sal_Int64                                       mnY;
+
+    public:
+        /** Create a 2D Tuple
+
+            The tuple is initialized to (0, 0)
+        */
+        B2I64Tuple()
+        :   mnX(0),
+            mnY(0)
+        {}
+
+        /** Create a 2D Tuple
+
+            @param fX
+            This parameter is used to initialize the X-coordinate
+            of the 2D Tuple.
+
+            @param fY
+            This parameter is used to initialize the Y-coordinate
+            of the 2D Tuple.
+        */
+        B2I64Tuple(sal_Int64 fX, sal_Int64 fY)
+        :   mnX( fX ),
+            mnY( fY )
+        {}
+
+        /** Create a copy of a 2D Tuple
+
+            @param rTup
+            The 2D Tuple which will be copied.
+        */
+        B2I64Tuple(const B2I64Tuple& rTup)
+        :   mnX( rTup.mnX ),
+            mnY( rTup.mnY )
+        {}
+
+        /// Get X-Coordinate of 2D Tuple
+        sal_Int64 getX() const
+        {
+            return mnX;
+        }
+
+        /// Get Y-Coordinate of 2D Tuple
+        sal_Int64 getY() const
+        {
+            return mnY;
+        }
+
+        /// Array-access to 2D Tuple
+        const sal_Int64& operator[] (int nPos) const
+        {
+            // Here, normally one if(...) should be used. In the assumption that
+            // both sal_Int64 members can be accessed as an array a shortcut is used here.
+            // if(0 == nPos) return mnX; return mnY;
+            return *((&mnX) + nPos);
+        }
+
+        /// Array-access to 2D Tuple
+        sal_Int64& operator[] (int nPos)
+        {
+            // Here, normally one if(...) should be used. In the assumption that
+            // both sal_Int64 members can be accessed as an array a shortcut is used here.
+            // if(0 == nPos) return mnX; return mnY;
+            return *((&mnX) + nPos);
+        }
+
+        // operators
+
+
+        B2I64Tuple& operator+=( const B2I64Tuple& rTup )
+        {
+            mnX += rTup.mnX;
+            mnY += rTup.mnY;
+            return *this;
+        }
+
+        B2I64Tuple& operator-=( const B2I64Tuple& rTup )
+        {
+            mnX -= rTup.mnX;
+            mnY -= rTup.mnY;
+            return *this;
+        }
+
+        B2I64Tuple& operator/=( const B2I64Tuple& rTup )
+        {
+            mnX /= rTup.mnX;
+            mnY /= rTup.mnY;
+            return *this;
+        }
+
+        B2I64Tuple& operator*=( const B2I64Tuple& rTup )
+        {
+            mnX *= rTup.mnX;
+            mnY *= rTup.mnY;
+            return *this;
+        }
+
+        B2I64Tuple& operator*=(sal_Int64 t)
+        {
+            mnX *= t;
+            mnY *= t;
+            return *this;
+        }
+
+        B2I64Tuple& operator/=(sal_Int64 t)
+        {
+            mnX /= t;
+            mnY /= t;
+            return *this;
+        }
+
+        B2I64Tuple operator-(void) const
+        {
+            return B2I64Tuple(-mnX, -mnY);
+        }
+
+        bool operator==( const B2I64Tuple& rTup ) const
+        {
+            return this == &rTup || (rTup.mnX == mnX && rTup.mnY == mnY);
+        }
+
+        bool operator!=( const B2I64Tuple& rTup ) const
+        {
+            return !(*this == rTup);
+        }
+
+        B2I64Tuple& operator=( const B2I64Tuple& rTup )
+        {
+            mnX = rTup.mnX;
+            mnY = rTup.mnY;
+            return *this;
+        }
+    };
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/basegfx/tuple/b2ituple.hxx b/include/basegfx/tuple/b2ituple.hxx
new file mode 100644
index 000000000..b8f6c3e96
--- /dev/null
+++ b/include/basegfx/tuple/b2ituple.hxx
@@ -0,0 +1,200 @@
+/* -*- 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>
+
+namespace basegfx
+{
+    /** Base class for all Points/Vectors with two 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 two sal_Int32 values
+    */
+    class SAL_WARN_UNUSED BASEGFX_DLLPUBLIC B2ITuple
+    {
+    protected:
+        sal_Int32                                       mnX;
+        sal_Int32                                       mnY;
+
+    public:
+        /** Create a 2D Tuple
+
+            The tuple is initialized to (0, 0)
+        */
+        B2ITuple()
+        :   mnX(0),
+            mnY(0)
+        {}
+
+        /** Create a 2D Tuple
+
+            @param fX
+            This parameter is used to initialize the X-coordinate
+            of the 2D Tuple.
+
+            @param fY
+            This parameter is used to initialize the Y-coordinate
+            of the 2D Tuple.
+        */
+        B2ITuple(sal_Int32 fX, sal_Int32 fY)
+        :   mnX( fX ),
+            mnY( fY )
+        {}
+
+        /// Get X-Coordinate of 2D Tuple
+        sal_Int32 getX() const
+        {
+            return mnX;
+        }
+
+        /// Get Y-Coordinate of 2D Tuple
+        sal_Int32 getY() const
+        {
+            return mnY;
+        }
+
+        /// Set X-Coordinate of 2D Tuple
+        void setX(sal_Int32 fX)
+        {
+            mnX = fX;
+        }
+
+        /// Set Y-Coordinate of 2D Tuple
+        void setY(sal_Int32 fY)
+        {
+            mnY = fY;
+        }
+
+        /// Array-access to 2D Tuple
+        const sal_Int32& operator[] (int nPos) const
+        {
+            // Here, normally one if(...) 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; return mnY;
+            return *((&mnX) + nPos);
+        }
+
+        /// Array-access to 2D Tuple
+        sal_Int32& operator[] (int nPos)
+        {
+            // Here, normally one if(...) 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; return mnY;
+            return *((&mnX) + nPos);
+        }
+
+        // operators
+
+
+        B2ITuple& operator+=( const B2ITuple& rTup )
+        {
+            mnX += rTup.mnX;
+            mnY += rTup.mnY;
+            return *this;
+        }
+
+        B2ITuple& operator-=( const B2ITuple& rTup )
+        {
+            mnX -= rTup.mnX;
+            mnY -= rTup.mnY;
+            return *this;
+        }
+
+        B2ITuple& operator/=( const B2ITuple& rTup )
+        {
+            mnX /= rTup.mnX;
+            mnY /= rTup.mnY;
+            return *this;
+        }
+
+        B2ITuple& operator*=( const B2ITuple& rTup )
+        {
+            mnX *= rTup.mnX;
+            mnY *= rTup.mnY;
+            return *this;
+        }
+
+        B2ITuple& operator*=(sal_Int32 t)
+        {
+            mnX *= t;
+            mnY *= t;
+            return *this;
+        }
+
+        B2ITuple& operator/=(sal_Int32 t)
+        {
+            mnX /= t;
+            mnY /= t;
+            return *this;
+        }
+
+        B2ITuple operator-(void) const
+        {
+            return B2ITuple(-mnX, -mnY);
+        }
+
+        bool equalZero() const
+        {
+            return mnX == 0 && mnY == 0;
+        }
+
+        bool operator==( const B2ITuple& rTup ) const
+        {
+            return this == &rTup || (rTup.mnX == mnX && rTup.mnY == mnY);
+        }
+
+        bool operator!=( const B2ITuple& rTup ) const
+        {
+            return !(*this == rTup);
+        }
+    };
+
+    // external operators
+
+
+    inline B2ITuple operator+(const B2ITuple& rTupA, const B2ITuple& rTupB)
+    {
+        B2ITuple aSum(rTupA);
+        aSum += rTupB;
+        return aSum;
+    }
+
+    inline B2ITuple operator-(const B2ITuple& rTupA, const B2ITuple& rTupB)
+    {
+        B2ITuple aSub(rTupA);
+        aSub -= rTupB;
+        return aSub;
+    }
+
+    inline B2ITuple operator*(sal_Int32 t, const B2ITuple& rTup)
+    {
+        B2ITuple aNew(rTup);
+        aNew *= t;
+        return aNew;
+    }
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/basegfx/tuple/b3dtuple.hxx b/include/basegfx/tuple/b3dtuple.hxx
new file mode 100644
index 000000000..791cc5f3e
--- /dev/null
+++ b/include/basegfx/tuple/b3dtuple.hxx
@@ -0,0 +1,335 @@
+/* -*- 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 <config_options.h>
+#include <sal/types.h>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/basegfxdllapi.h>
+
+namespace basegfx
+{
+    class B3ITuple;
+
+    /** Base class for all Points/Vectors with three double 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 double values
+    */
+    class SAL_WARN_UNUSED UNLESS_MERGELIBS(BASEGFX_DLLPUBLIC) B3DTuple
+    {
+    protected:
+        double                                      mfX;
+        double                                      mfY;
+        double                                      mfZ;
+
+    public:
+        /** Create a 3D Tuple
+
+            The tuple is initialized to (0.0, 0.0, 0.0)
+        */
+        B3DTuple()
+        :   mfX(0.0),
+            mfY(0.0),
+            mfZ(0.0)
+        {}
+
+        /** Create a 3D Tuple
+
+            @param fX
+            This parameter is used to initialize the X-coordinate
+            of the 3D Tuple.
+
+            @param fY
+            This parameter is used to initialize the Y-coordinate
+            of the 3D Tuple.
+
+            @param fZ
+            This parameter is used to initialize the Z-coordinate
+            of the 3D Tuple.
+        */
+        B3DTuple(double fX, double fY, double fZ)
+        :   mfX(fX),
+            mfY(fY),
+            mfZ(fZ)
+        {}
+
+        /// get X-Coordinate of 3D Tuple
+        double getX() const
+        {
+            return mfX;
+        }
+
+        /// get Y-Coordinate of 3D Tuple
+        double getY() const
+        {
+            return mfY;
+        }
+
+        /// get Z-Coordinate of 3D Tuple
+        double getZ() const
+        {
+            return mfZ;
+        }
+
+        /// set X-Coordinate of 3D Tuple
+        void setX(double fX)
+        {
+            mfX = fX;
+        }
+
+        /// set Y-Coordinate of 3D Tuple
+        void setY(double fY)
+        {
+            mfY = fY;
+        }
+
+        /// set Z-Coordinate of 3D Tuple
+        void setZ(double fZ)
+        {
+            mfZ = fZ;
+        }
+
+        /// Array-access to 3D Tuple
+        const double& operator[] (int nPos) const
+        {
+            // Here, normally two if(...)'s should be used. In the assumption that
+            // both double members can be accessed as an array a shortcut is used here.
+            // if(0 == nPos) return mfX; if(1 == nPos) return mfY; return mfZ;
+            return *((&mfX) + nPos);
+        }
+
+        /// Array-access to 3D Tuple
+        double& operator[] (int nPos)
+        {
+            // Here, normally two if(...)'s should be used. In the assumption that
+            // both double members can be accessed as an array a shortcut is used here.
+            // if(0 == nPos) return mfX; if(1 == nPos) return mfY; return mfZ;
+            return *((&mfX) + nPos);
+        }
+
+        // comparators with tolerance
+
+
+        bool equalZero() const
+        {
+            return (this == &getEmptyTuple() ||
+                (::basegfx::fTools::equalZero(mfX)
+                && ::basegfx::fTools::equalZero(mfY)
+                && ::basegfx::fTools::equalZero(mfZ)));
+        }
+
+        bool equal(const B3DTuple& rTup) const
+        {
+            return (
+                this == &rTup ||
+                (::basegfx::fTools::equal(mfX, rTup.mfX) &&
+                ::basegfx::fTools::equal(mfY, rTup.mfY) &&
+                ::basegfx::fTools::equal(mfZ, rTup.mfZ)));
+        }
+
+        // operators
+
+
+        B3DTuple& operator+=( const B3DTuple& rTup )
+        {
+            mfX += rTup.mfX;
+            mfY += rTup.mfY;
+            mfZ += rTup.mfZ;
+            return *this;
+        }
+
+        B3DTuple& operator-=( const B3DTuple& rTup )
+        {
+            mfX -= rTup.mfX;
+            mfY -= rTup.mfY;
+            mfZ -= rTup.mfZ;
+            return *this;
+        }
+
+        B3DTuple& operator/=( const B3DTuple& rTup )
+        {
+            mfX /= rTup.mfX;
+            mfY /= rTup.mfY;
+            mfZ /= rTup.mfZ;
+            return *this;
+        }
+
+        B3DTuple& operator*=( const B3DTuple& rTup )
+        {
+            mfX *= rTup.mfX;
+            mfY *= rTup.mfY;
+            mfZ *= rTup.mfZ;
+            return *this;
+        }
+
+        B3DTuple& operator*=(double t)
+        {
+            mfX *= t;
+            mfY *= t;
+            mfZ *= t;
+            return *this;
+        }
+
+        B3DTuple& operator/=(double t)
+        {
+            const double fVal(1.0 / t);
+            mfX *= fVal;
+            mfY *= fVal;
+            mfZ *= fVal;
+            return *this;
+        }
+
+        B3DTuple operator-(void) const
+        {
+            return B3DTuple(-mfX, -mfY, -mfZ);
+        }
+
+        bool operator==( const B3DTuple& rTup ) const
+        {
+            return mfX == rTup.mfX && mfY == rTup.mfY && mfZ == rTup.mfZ;
+        }
+
+        bool operator!=( const B3DTuple& rTup ) const
+        {
+            return mfX != rTup.mfX || mfY != rTup.mfY || mfZ != rTup.mfZ;
+        }
+
+        void correctValues(const double fCompareValue = 0.0)
+        {
+            if(0.0 == fCompareValue)
+            {
+                if(::basegfx::fTools::equalZero(mfX))
+                {
+                    mfX = 0.0;
+                }
+
+                if(::basegfx::fTools::equalZero(mfY))
+                {
+                    mfY = 0.0;
+                }
+
+                if(::basegfx::fTools::equalZero(mfZ))
+                {
+                    mfZ = 0.0;
+                }
+            }
+            else
+            {
+                if(::basegfx::fTools::equal(mfX, fCompareValue))
+                {
+                    mfX = fCompareValue;
+                }
+
+                if(::basegfx::fTools::equal(mfY, fCompareValue))
+                {
+                    mfY = fCompareValue;
+                }
+
+                if(::basegfx::fTools::equal(mfZ, fCompareValue))
+                {
+                    mfZ = fCompareValue;
+                }
+            }
+        }
+
+        static const B3DTuple& getEmptyTuple();
+    };
+
+    // external operators
+
+
+    inline B3DTuple interpolate(const B3DTuple& rOld1, const B3DTuple& rOld2, double t)
+    {
+        if(rOld1 == rOld2)
+        {
+            return rOld1;
+        }
+        else if(0.0 >= t)
+        {
+            return rOld1;
+        }
+        else if(1.0 <= t)
+        {
+            return rOld2;
+        }
+        else
+        {
+            return B3DTuple(
+                ((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX(),
+                ((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY(),
+                ((rOld2.getZ() - rOld1.getZ()) * t) + rOld1.getZ());
+        }
+    }
+
+    inline B3DTuple average(const B3DTuple& rOld1, const B3DTuple& rOld2)
+    {
+        return B3DTuple(
+            rtl_math_approxEqual(rOld1.getX(), rOld2.getX()) ? rOld1.getX() : (rOld1.getX() + rOld2.getX()) * 0.5,
+            rtl_math_approxEqual(rOld1.getY(), rOld2.getY()) ? rOld1.getY() : (rOld1.getY() + rOld2.getY()) * 0.5,
+            rtl_math_approxEqual(rOld1.getZ(), rOld2.getZ()) ? rOld1.getZ() : (rOld1.getZ() + rOld2.getZ()) * 0.5);
+    }
+
+    inline B3DTuple operator+(const B3DTuple& rTupA, const B3DTuple& rTupB)
+    {
+        B3DTuple aSum(rTupA);
+        aSum += rTupB;
+        return aSum;
+    }
+
+    inline B3DTuple operator-(const B3DTuple& rTupA, const B3DTuple& rTupB)
+    {
+        B3DTuple aSub(rTupA);
+        aSub -= rTupB;
+        return aSub;
+    }
+
+    inline B3DTuple operator*(const B3DTuple& rTupA, const B3DTuple& rTupB)
+    {
+        B3DTuple aMul(rTupA);
+        aMul *= rTupB;
+        return aMul;
+    }
+
+    inline B3DTuple operator*(const B3DTuple& rTup, double t)
+    {
+        B3DTuple aNew(rTup);
+        aNew *= t;
+        return aNew;
+    }
+
+    inline B3DTuple operator/(const B3DTuple& rTup, double t)
+    {
+        B3DTuple aNew(rTup);
+        aNew /= t;
+        return aNew;
+    }
+
+    /** Round double to nearest integer for 3D tuple
+
+        @return the nearest integer for this tuple
+    */
+    BASEGFX_DLLPUBLIC B3ITuple fround(const B3DTuple& rTup);
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/basegfx/tuple/b3ituple.hxx b/include/basegfx/tuple/b3ituple.hxx
new file mode 100644
index 000000000..7fe49ea92
--- /dev/null
+++ b/include/basegfx/tuple/b3ituple.hxx
@@ -0,0 +1,172 @@
+/* -*- 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>
+
+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
+    {
+    protected:
+        sal_Int32                                       mnX;
+        sal_Int32                                       mnY;
+        sal_Int32                                       mnZ;
+
+    public:
+        /** Create a 3D Tuple
+
+            The tuple is initialized to (0, 0, 0)
+        */
+        B3ITuple()
+        :   mnX(0),
+            mnY(0),
+            mnZ(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)
+        :   mnX(nX),
+            mnY(nY),
+            mnZ(nZ)
+        {}
+
+        /// get X-Coordinate of 3D Tuple
+        sal_Int32 getX() const
+        {
+            return mnX;
+        }
+
+        /// get Y-Coordinate of 3D Tuple
+        sal_Int32 getY() const
+        {
+            return mnY;
+        }
+
+        /// 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+=( const B3ITuple& rTup )
+        {
+            mnX += rTup.mnX;
+            mnY += rTup.mnY;
+            mnZ += rTup.mnZ;
+            return *this;
+        }
+
+        B3ITuple& operator-=( const B3ITuple& rTup )
+        {
+            mnX -= rTup.mnX;
+            mnY -= rTup.mnY;
+            mnZ -= rTup.mnZ;
+            return *this;
+        }
+
+        B3ITuple& operator/=( const B3ITuple& rTup )
+        {
+            mnX /= rTup.mnX;
+            mnY /= rTup.mnY;
+            mnZ /= rTup.mnZ;
+            return *this;
+        }
+
+        B3ITuple& operator*=( const B3ITuple& rTup )
+        {
+            mnX *= rTup.mnX;
+            mnY *= rTup.mnY;
+            mnZ *= rTup.mnZ;
+            return *this;
+        }
+
+        B3ITuple& operator*=(sal_Int32 t)
+        {
+            mnX *= t;
+            mnY *= t;
+            mnZ *= t;
+            return *this;
+        }
+
+        B3ITuple& operator/=(sal_Int32 t)
+        {
+            mnX /= t;
+            mnY /= t;
+            mnZ /= t;
+            return *this;
+        }
+
+        B3ITuple operator-(void) const
+        {
+            return B3ITuple(-mnX, -mnY, -mnZ);
+        }
+
+        bool operator==( const B3ITuple& rTup ) const
+        {
+            return this == &rTup || (rTup.mnX == mnX && rTup.mnY == mnY && rTup.mnZ == mnZ);
+        }
+
+        bool operator!=( const B3ITuple& rTup ) const
+        {
+            return !(*this == rTup);
+        }
+    };
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */