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diff --git a/include/svx/sdr/overlay/overlaymanager.hxx b/include/svx/sdr/overlay/overlaymanager.hxx
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+++ b/include/svx/sdr/overlay/overlaymanager.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 INCLUDED_SVX_SDR_OVERLAY_OVERLAYMANAGER_HXX
+#define INCLUDED_SVX_SDR_OVERLAY_OVERLAYMANAGER_HXX
+
+#include <rtl/ref.hxx>
+#include <svx/sdr/animation/scheduler.hxx>
+#include <svx/sdr/overlay/overlayobject.hxx>
+#include <tools/color.hxx>
+#include <tools/gen.hxx>
+#include <svx/svxdllapi.h>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <drawinglayer/geometry/viewinformation2d.hxx>
+#include <salhelper/simplereferenceobject.hxx>
+
+class OutputDevice;
+class SdrModel;
+namespace vcl { class Region; }
+
+namespace sdr::overlay {
+    class OverlayObject;
+}
+
+namespace basegfx {
+    class B2DRange;
+}
+
+namespace sdr::overlay
+    {
+        class SVXCORE_DLLPUBLIC OverlayManager
+            : protected sdr::animation::Scheduler
+            , public salhelper::SimpleReferenceObject
+        {
+        private:
+            OverlayManager(const OverlayManager&) = delete;
+            OverlayManager& operator=(const OverlayManager&) = delete;
+
+        protected:
+            // the OutputDevice to work on, set on construction and not to be changed
+            OutputDevice&                               mrOutputDevice;
+
+            // the vector of registered OverlayObjects
+            OverlayObjectVector                         maOverlayObjects;
+
+            // Stripe support. All striped OverlayObjects use these stripe
+            // values. Changes change all those objects.
+            Color                                       maStripeColorA; // defaults to COL_BLACK
+            Color                                       maStripeColorB; // defaults to COL_WHITE
+            sal_uInt32                                  mnStripeLengthPixel; // defaults to 4L
+
+            // hold buffered the logic length of discrete vector (1.0, 0.0) and the
+            // view transformation belonging to it. Update happens in getDiscreteOne()
+            basegfx::B2DHomMatrix                       maViewTransformation;
+            drawinglayer::geometry::ViewInformation2D   maViewInformation2D;
+            double                                      mfDiscreteOne;
+
+            // internal
+            void ImpDrawMembers(const basegfx::B2DRange& rRange, OutputDevice& rDestinationDevice) const;
+            void ImpStripeDefinitionChanged();
+            void impApplyRemoveActions(OverlayObject& rTarget);
+            void impApplyAddActions(OverlayObject& rTarget);
+
+            // return mfDiscreteOne to derivations, but also check for buffered local
+            // ViewTransformation and evtl. correct mfDiscreteOne
+            double getDiscreteOne() const;
+
+            tools::Rectangle RangeToInvalidateRectangle(const basegfx::B2DRange& rRange) const;
+
+            OverlayManager(OutputDevice& rOutputDevice);
+            virtual ~OverlayManager() override;
+
+        public:
+            static rtl::Reference<OverlayManager> create(OutputDevice& rOutputDevice);
+
+            // access to current ViewInformation2D; this call checks and evtl. updates ViewInformation2D
+            drawinglayer::geometry::ViewInformation2D const & getCurrentViewInformation2D() const;
+
+            // complete redraw
+            virtual void completeRedraw(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice = nullptr) const;
+
+            // flush. Do buffered updates.
+            virtual void flush();
+
+            // get the OutputDevice
+            OutputDevice& getOutputDevice() const { return mrOutputDevice; }
+
+            // add and remove OverlayObjects
+            void add(OverlayObject& rOverlayObject);
+            void remove(OverlayObject& rOverlayObject);
+
+            // invalidate the given range at local OutputDevice
+            virtual void invalidateRange(const basegfx::B2DRange& rRange);
+
+            // stripe support ColA
+            const Color& getStripeColorA() const { return maStripeColorA; }
+            void setStripeColorA(Color aNew);
+
+            // stripe support ColB
+            const Color& getStripeColorB() const { return maStripeColorB; }
+            void setStripeColorB(Color aNew);
+
+            // stripe support StripeLengthPixel
+            sal_uInt32 getStripeLengthPixel() const { return mnStripeLengthPixel; }
+            void setStripeLengthPixel(sal_uInt32 nNew);
+
+            void InsertEvent(sdr::animation::Event& rNew) { Scheduler::InsertEvent(rNew); }
+        };
+
+} // end of namespace sdr::overlay
+
+#endif // INCLUDED_SVX_SDR_OVERLAY_OVERLAYMANAGER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */