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diff --git a/inc/bf_goodies/matrix3d.hxx b/inc/bf_goodies/matrix3d.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 .
+ */
+
+#ifndef _B2D_MATRIX3D_HXX
+#define _B2D_MATRIX3D_HXX
+
+#include <bf_svtools/bf_solar.h>
+
+
+#include "point3d.hxx"
+
+/*************************************************************************
+|*
+|* homogene 4x4 matrix
+|*
+\************************************************************************/
+
+namespace binfilter {
+class Matrix3D
+{
+protected:
+    Point3D                     M[3];
+
+public:
+    // default: Einheitsmatrix erstellen (Vektoren sind auf 0
+    // initialisiert, der recte Spaltenvektor auf 1)
+    Matrix3D() { M[0][0] = M[1][1] = 1.0;
+                 M[0][2] = M[1][2] = 0.0; }
+
+    // Zeilenvektor zurueckgeben
+    Point3D& operator[](int nPos) { return M[nPos]; }
+    const Point3D& operator[](int nPos) const { return M[nPos]; }
+
+    // Spaltenvektor zurueckgeben
+    Point3D GetColumnVector(int nCol) const
+        { return Point3D(M[0][nCol], M[1][nCol], M[2][nCol]); }
+
+    // Auf Einheitsmatrix zuruecksetzen
+    void Identity(void);
+
+    // Rotation
+    void Rotate(double fAngle);
+    void Rotate(double fSin, double fCos );
+
+    // Translation
+    void Translate(double fX, double fY);
+    void Translate(const Vector2D& aTrans);
+
+    // Skalierung
+    void Scale(double fX, double fY);
+    void Scale(const Vector2D& aScale);
+
+    // Shearing-Matrices
+    void ShearX(double fSx);
+    void ShearY(double fSy);
+
+    // Addition, Subtraktion
+    Matrix3D&   operator+=  (const Matrix3D&);
+    Matrix3D&   operator-=  (const Matrix3D&);
+    Matrix3D    operator+   (const Matrix3D&) const;
+    Matrix3D    operator-   (const Matrix3D&) const;
+
+    // Vergleichsoperatoren
+    BOOL        operator==  (const Matrix3D&) const;
+    BOOL        operator!=  (const Matrix3D&) const;
+
+    // Multiplikation, Division mit Konstante
+    Matrix3D&   operator*=  (double);
+    Matrix3D    operator*   (double) const;
+    Matrix3D&   operator/=  (double);
+    Matrix3D    operator/   (double) const;
+
+    // Matritzenmultiplikation von links auf die lokale
+    Matrix3D&   operator*=  (const Matrix3D&);
+    Matrix3D    operator*   (const Matrix3D&) const;
+
+    // Operatoren zur Punkttransformation
+    friend Point3D  operator*   (const Matrix3D&, const Point3D&);
+    friend Point3D& operator*=  (Point3D& rPnt, const Matrix3D& rMat)
+        { return (rPnt = rMat * rPnt); }
+
+    // Operatoren zur Vektortransformation
+    friend Vector2D     operator*   (const Matrix3D&, const Vector2D&);
+    friend Vector2D&    operator*=  (Vector2D& rVec, const Matrix3D& rMat)
+        { return (rVec = rMat * rVec); }
+
+    // Streamoperatoren
+    friend SvStream& operator>>(SvStream& rIStream, Matrix3D&);
+    friend SvStream& operator<<(SvStream& rOStream, const Matrix3D&);
+
+    // Help routine to decompose given homogen 3x3 matrix to components. A correction of
+    // the components is done to avoid inaccuracies.
+    BOOL DecomposeAndCorrect(Vector2D& rScale, double& rShear, double& rRotate, Vector2D& rTranslate) const;
+};
+}//end of namespace binfilter
+
+#endif          // _B2D_MATRIX3D_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */