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diff --git a/sw/source/core/inc/environmentofanchoredobject.hxx b/sw/source/core/inc/environmentofanchoredobject.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_CORE_INC_ENVIRONMENTOFANCHOREDOBJECT_HXX
+#define INCLUDED_SW_SOURCE_CORE_INC_ENVIRONMENTOFANCHOREDOBJECT_HXX
+
+class SwFrame;
+class SwLayoutFrame;
+
+namespace objectpositioning
+{
+class SwEnvironmentOfAnchoredObject
+{
+private:
+    const bool mbFollowTextFlow;
+
+public:
+    /** constructor
+
+        @param _bFollowTextFlow
+        input parameter - indicates, if the anchored object, for which
+        this environment is instantiated, follow the text flow or not
+    */
+    SwEnvironmentOfAnchoredObject(const bool _bFollowTextFlow);
+
+    /** determine environment layout frame for possible horizontal object
+        positions respectively for alignment to 'page areas'
+
+        this is, if object has to follow the text flow:
+        - cell frame, if anchored inside a cell
+        - fly frame, if anchored inside a fly frame
+        otherwise it's the page frame
+
+        this is, if object hasn't to follow the text flow:
+        - page frame.
+        - no exception any more. Thus remove
+        parameter <_bForPageAlignment>
+
+        @param _rHoriOrientFrame
+        input parameter - frame, at which the horizontal position is
+        oriented at (typically it's the anchor frame).
+        starting point for the search of the layout frame.
+
+        @return reference to the layout frame, which determines the
+        horizontal environment the object has to be positioned in.
+    */
+    const SwLayoutFrame& GetHoriEnvironmentLayoutFrame(const SwFrame& _rHoriOrientFrame) const;
+
+    /** determine environment layout frame for possible vertical object
+        positions respectively for alignments to 'page areas'
+
+        this is, if object has to follow the text flow:
+        - cell frame, if anchored inside a cell
+        - fly frame, if anchored inside a fly frame
+        - header/footer frame, if anchored inside page header/footer
+        - footnote frame, if anchored inside footnote
+        otherwise it's the document body frame
+
+        this is, if object hasn't to follow the text flow:
+        - page frame.
+        - no exception any more. Thus remove
+        parameter <_bForPageAlignment>
+
+        @param _rVertOrientFrame
+        input parameter - frame, at which the vertical position is
+        oriented at (typically it's the anchor frame).
+        starting point for the search of the layout frame.
+
+        @return reference to the layout frame, which determines the
+        vertical environment the object has to be positioned in.
+    */
+    const SwLayoutFrame& GetVertEnvironmentLayoutFrame(const SwFrame& _rVertOrientFrame) const;
+};
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */