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diff --git a/sw/source/uibase/docvw/AnchorOverlayObject.hxx b/sw/source/uibase/docvw/AnchorOverlayObject.hxx
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+++ b/sw/source/uibase/docvw/AnchorOverlayObject.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_SW_SOURCE_UIBASE_DOCVW_ANCHOROVERLAYOBJECT_HXX
+#define INCLUDED_SW_SOURCE_UIBASE_DOCVW_ANCHOROVERLAYOBJECT_HXX
+
+#include <svx/sdr/overlay/overlayobject.hxx>
+
+#include <basegfx/polygon/b2dpolygon.hxx>
+
+class SwView;
+class SwRect;
+class Point;
+
+namespace sw::sidebarwindows {
+
+enum class AnchorState
+{
+    All,
+    End,
+    Tri
+};
+
+class AnchorOverlayObject final : public sdr::overlay::OverlayObjectWithBasePosition
+{
+    public:
+        static std::unique_ptr<AnchorOverlayObject> CreateAnchorOverlayObject( SwView const & rDocView,
+                                                               const SwRect& aAnchorRect,
+                                                               long aPageBorder,
+                                                               const Point& aLineStart,
+                                                               const Point& aLineEnd,
+                                                               const Color& aColorAnchor );
+
+        const basegfx::B2DPoint& GetSecondPosition() const { return maSecondPosition; }
+        const basegfx::B2DPoint& GetThirdPosition() const { return maThirdPosition; }
+        const basegfx::B2DPoint& GetFourthPosition() const { return maFourthPosition; }
+        const basegfx::B2DPoint& GetFifthPosition() const { return maFifthPosition; }
+        const basegfx::B2DPoint& GetSixthPosition() const { return maSixthPosition; }
+        const basegfx::B2DPoint& GetSeventhPosition() const { return maSeventhPosition; }
+
+        void SetAllPosition( const basegfx::B2DPoint& rPoint1,
+                             const basegfx::B2DPoint& rPoint2,
+                             const basegfx::B2DPoint& rPoint3,
+                             const basegfx::B2DPoint& rPoint4,
+                             const basegfx::B2DPoint& rPoint5,
+                             const basegfx::B2DPoint& rPoint6,
+                             const basegfx::B2DPoint& rPoint7 );
+        void SetTriPosition( const basegfx::B2DPoint& rPoint1,
+                             const basegfx::B2DPoint& rPoint2,
+                             const basegfx::B2DPoint& rPoint3,
+                             const basegfx::B2DPoint& rPoint4,
+                             const basegfx::B2DPoint& rPoint5 );
+        void SetSixthPosition( const basegfx::B2DPoint& rNew );
+        void SetSeventhPosition( const basegfx::B2DPoint& rNew );
+
+        void setLineSolid( const bool bNew );
+        bool getLineSolid() const { return mbLineSolid; }
+
+        void SetAnchorState( const AnchorState aState );
+        AnchorState GetAnchorState() const { return mAnchorState; }
+
+    private:
+        /*                        6------------7
+             1                   /
+            /4\ ---------------5
+           2 - 3
+        */
+
+        basegfx::B2DPoint maSecondPosition;
+        basegfx::B2DPoint maThirdPosition;
+        basegfx::B2DPoint maFourthPosition;
+        basegfx::B2DPoint maFifthPosition;
+        basegfx::B2DPoint maSixthPosition;
+        basegfx::B2DPoint maSeventhPosition;
+
+        // helpers to fill and reset geometry
+        void implEnsureGeometry();
+        void implResetGeometry();
+
+        // geometry creation for OverlayObject
+        virtual drawinglayer::primitive2d::Primitive2DContainer createOverlayObjectPrimitive2DSequence() override;
+
+        // object's geometry
+        basegfx::B2DPolygon maTriangle;
+        basegfx::B2DPolygon maLine;
+        basegfx::B2DPolygon maLineTop;
+        AnchorState mAnchorState;
+
+        bool mbLineSolid : 1;
+
+        AnchorOverlayObject( const basegfx::B2DPoint& rBasePos,
+                             const basegfx::B2DPoint& rSecondPos,
+                             const basegfx::B2DPoint& rThirdPos,
+                             const basegfx::B2DPoint& rFourthPos,
+                             const basegfx::B2DPoint& rFifthPos,
+                             const basegfx::B2DPoint& rSixthPos,
+                             const basegfx::B2DPoint& rSeventhPos,
+                             const Color& rBaseColor );
+    public:
+        virtual ~AnchorOverlayObject() override;
+};
+
+} // end of namespace sw::annotation
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */