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diff --git a/basegfx/inc/basegfx/tools/b2dclipstate.hxx b/basegfx/inc/basegfx/tools/b2dclipstate.hxx
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--- a/basegfx/inc/basegfx/tools/b2dclipstate.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 _BGFX_TOOLS_CLIPSTATE_HXX
-#define _BGFX_TOOLS_CLIPSTATE_HXX
-
-#include <sal/types.h>
-#include <o3tl/cow_wrapper.hxx>
-#include <basegfx/basegfxdllapi.h>
-
-//////////////////////////////////////////////////////////////////////////////
-
-namespace basegfx
-{
- class B2DRange;
- class B2DPolyRange;
- class B2DPolygon;
- class B2DPolyPolygon;
-
- namespace tools
- {
- class ImplB2DClipState;
-
- /** This class provides an optimized, symbolic clip state for graphical output
-
- Having a current 'clip' state is a common attribute of
- almost all graphic output APIs, most of which internally
- represent it via a list of rectangular bands. In contrast,
- this implementation purely uses symbolic clips, but in a
- quite efficient manner, deferring actual evaluation until
- a clip representation is requested, and using faster code
- paths for common special cases (like all-rectangle clips)
- */
- class BASEGFX_DLLPUBLIC B2DClipState
- {
- public:
- typedef o3tl::cow_wrapper< ImplB2DClipState > ImplType;
-
- private:
- ImplType mpImpl;
-
- public:
- /// Init clip, in 'cleared' state - everything is visible
- B2DClipState();
- ~B2DClipState();
- B2DClipState( const B2DClipState& );
- explicit B2DClipState( const B2DPolyPolygon& );
- B2DClipState& operator=( const B2DClipState& );
-
- /// Set clip to 'null' - nothing is visible
- void makeNull();
-
- /// returns true when clip is 'cleared' - everything is visible
- bool isCleared() const;
-
- bool operator==(const B2DClipState&) const;
- bool operator!=(const B2DClipState&) const;
-
- void unionRange(const B2DRange& );
- void unionPolyPolygon(const B2DPolyPolygon& );
-
- void intersectRange(const B2DRange& );
- void intersectPolyPolygon(const B2DPolyPolygon& );
-
- void subtractRange(const B2DRange& );
- void subtractPolyPolygon(const B2DPolyPolygon& );
-
- void xorRange(const B2DRange& );
- void xorPolyPolygon(const B2DPolyPolygon& );
-
- B2DPolyPolygon getClipPoly() const;
- };
- }
-}
-
-#endif // _BGFX_TOOLS_CLIPSTATE_HXX
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */