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diff --git a/chart2/source/controller/main/DragMethod_RotateDiagram.hxx b/chart2/source/controller/main/DragMethod_RotateDiagram.hxx
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+++ b/chart2/source/controller/main/DragMethod_RotateDiagram.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_CHART2_SOURCE_CONTROLLER_MAIN_DRAGMETHOD_ROTATEDIAGRAM_HXX
+#define INCLUDED_CHART2_SOURCE_CONTROLLER_MAIN_DRAGMETHOD_ROTATEDIAGRAM_HXX
+
+#include "DragMethod_Base.hxx"
+
+#include <basegfx/polygon/b3dpolypolygon.hxx>
+
+class E3dScene;
+namespace chart { class DrawViewWrapper; }
+
+namespace chart
+{
+
+class DragMethod_RotateDiagram : public DragMethod_Base
+{
+public:
+    enum RotationDirection
+    {
+        ROTATIONDIRECTION_FREE,
+        ROTATIONDIRECTION_X,
+        ROTATIONDIRECTION_Y,
+        ROTATIONDIRECTION_Z
+    };
+
+    DragMethod_RotateDiagram( DrawViewWrapper& rDrawViewWrapper
+        , const OUString& rObjectCID
+        , const css::uno::Reference< css::frame::XModel >& xChartModel
+        , RotationDirection eRotationDirection
+        );
+    virtual ~DragMethod_RotateDiagram() override;
+
+    virtual OUString GetSdrDragComment() const override;
+
+    virtual bool BeginSdrDrag() override;
+    virtual void MoveSdrDrag(const Point& rPnt) override;
+    virtual bool EndSdrDrag(bool bCopy) override;
+
+    virtual void CreateOverlayGeometry(
+        sdr::overlay::OverlayManager& rOverlayManager,
+        const sdr::contact::ObjectContact& rObjectContact) override;
+
+private:
+    E3dScene*   m_pScene;
+
+    tools::Rectangle   m_aReferenceRect;
+    Point       m_aStartPos;
+    basegfx::B3DPolyPolygon m_aWireframePolyPolygon;
+
+    double      m_fInitialXAngleRad;
+    double      m_fInitialYAngleRad;
+    double      m_fInitialZAngleRad;
+
+    double      m_fAdditionalXAngleRad;
+    double      m_fAdditionalYAngleRad;
+    double      m_fAdditionalZAngleRad;
+
+    sal_Int32 m_nInitialHorizontalAngleDegree;
+    sal_Int32 m_nInitialVerticalAngleDegree;
+
+    sal_Int32 m_nAdditionalHorizontalAngleDegree;
+    sal_Int32 m_nAdditionalVerticalAngleDegree;
+
+    RotationDirection m_eRotationDirection;
+    bool    m_bRightAngledAxes;
+};
+
+} //  namespace chart
+
+// INCLUDED_CHART2_SOURCE_CONTROLLER_MAIN_DRAGMETHOD_ROTATEDIAGRAM_HXX
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */