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diff --git a/include/drawinglayer/primitive2d/primitivetools2d.hxx b/include/drawinglayer/primitive2d/primitivetools2d.hxx
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+++ b/include/drawinglayer/primitive2d/primitivetools2d.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 <drawinglayer/drawinglayerdllapi.h>
+
+#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+
+namespace drawinglayer::primitive2d
+{
+        /** DiscreteMetricDependentPrimitive2D class
+
+            tooling class for BufferedDecompositionPrimitive2D based classes which are view-dependent
+            regarding the size of a discrete unit. The implementation of get2DDecomposition
+            guards the buffered local decomposition and ensures that a create2DDecomposition
+            implementation may use an up-to-date DiscreteUnit accessible using getDiscreteUnit()
+         */
+        class DRAWINGLAYER_DLLPUBLIC DiscreteMetricDependentPrimitive2D : public BufferedDecompositionPrimitive2D
+        {
+        private:
+            /** the last used fDiscreteUnit definitions for decomposition. Since this
+                is checked and updated from get2DDecomposition() it will be current and
+                usable in create2DDecomposition()
+             */
+            double                                  mfDiscreteUnit;
+
+        public:
+            /// constructor
+            DiscreteMetricDependentPrimitive2D()
+            :   BufferedDecompositionPrimitive2D(),
+                mfDiscreteUnit(0.0)
+            {
+            }
+
+            /// data read access
+            double getDiscreteUnit() const { return mfDiscreteUnit; }
+
+            /// Override standard getDecomposition to be view-dependent here
+            virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override;
+        };
+
+        /** ViewportDependentPrimitive2D class
+
+            tooling class for BufferedDecompositionPrimitive2D based classes which are view-dependent
+            regarding the viewport. The implementation of get2DDecomposition
+            guards the buffered local decomposition and ensures that a create2DDecomposition
+            implementation may use an up-to-date Viewport accessible using getViewport()
+         */
+        class DRAWINGLAYER_DLLPUBLIC ViewportDependentPrimitive2D : public BufferedDecompositionPrimitive2D
+        {
+        private:
+            /** the last used Viewport definition for decomposition. Since this
+                is checked and updated from get2DDecomposition() it will be current and
+                usable in create2DDecomposition()
+             */
+            basegfx::B2DRange                       maViewport;
+
+        public:
+            /// constructor
+            ViewportDependentPrimitive2D()
+            :   BufferedDecompositionPrimitive2D(),
+                maViewport()
+            {
+            }
+
+            /// data read access
+            const basegfx::B2DRange& getViewport() const { return maViewport; }
+
+            /// Override standard getDecomposition to be view-dependent here
+            virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override;
+        };
+
+        /** ViewTransformationDependentPrimitive2D class
+
+            tooling class for BufferedDecompositionPrimitive2D based classes which are view-dependent
+            regarding the complete Viewtransformation. The implementation of get2DDecomposition
+            guards the buffered local decomposition and ensures that a create2DDecomposition
+            implementation may use an up-to-date ViewTransformation accessible using getViewTransformation()
+         */
+        class DRAWINGLAYER_DLLPUBLIC ViewTransformationDependentPrimitive2D : public BufferedDecompositionPrimitive2D
+        {
+        private:
+            /** the last used ViewTransformation definition for decomposition. Since this
+                is checked and updated from get2DDecomposition() it will be current and
+                usable in create2DDecomposition()
+             */
+            basegfx::B2DHomMatrix                   maViewTransformation;
+
+        public:
+            /// constructor
+            ViewTransformationDependentPrimitive2D()
+            :   BufferedDecompositionPrimitive2D(),
+                maViewTransformation()
+            {
+            }
+
+            /// data read access
+            const basegfx::B2DHomMatrix& getViewTransformation() const { return maViewTransformation; }
+
+            /// Override standard getDecomposition to be view-dependent here
+            virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override;
+        };
+
+        /** ObjectAndViewTransformationDependentPrimitive2D class
+
+            tooling class for BufferedDecompositionPrimitive2D based classes which are view-dependent
+            and Object-Transform dependent. The implementation of get2DDecomposition
+            guards the buffered local decomposition and ensures that a create2DDecomposition
+            implementation may use an up-to-date ViewTransformation accessible using getViewTransformation()
+            and an object transformation via getObjectTransformation()
+         */
+        class DRAWINGLAYER_DLLPUBLIC ObjectAndViewTransformationDependentPrimitive2D : public BufferedDecompositionPrimitive2D
+        {
+        private:
+            /** the last used ViewTransformation and the last ObjectTransformation
+                definition for decomposition. Since this is checked and updated from
+                get2DDecomposition() it will be current and usable in create2DDecomposition()
+             */
+            basegfx::B2DHomMatrix                   maViewTransformation;
+            basegfx::B2DHomMatrix                   maObjectTransformation;
+
+        public:
+            /// constructor
+            ObjectAndViewTransformationDependentPrimitive2D()
+            :   BufferedDecompositionPrimitive2D(),
+                maViewTransformation(),
+                maObjectTransformation()
+            {
+            }
+
+            /// data read access
+            const basegfx::B2DHomMatrix& getViewTransformation() const { return maViewTransformation; }
+            const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+
+            /// Override standard getDecomposition to be view-dependent here
+            virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override;
+        };
+} // end of namespace drawinglayer::primitive2d
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */