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diff --git a/include/basegfx/polygon/b3dpolygon.hxx b/include/basegfx/polygon/b3dpolygon.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 .
+ */
+
+#pragma once
+
+#include <sal/types.h>
+#include <o3tl/cow_wrapper.hxx>
+#include <basegfx/basegfxdllapi.h>
+
+class ImplB3DPolygon;
+
+namespace basegfx
+{
+ class B3DPoint;
+ class B3DHomMatrix;
+ class B3DVector;
+ class B2DPoint;
+ class B2DHomMatrix;
+ class BColor;
+}
+
+namespace basegfx
+{
+ class BASEGFX_DLLPUBLIC B3DPolygon
+ {
+ public:
+ typedef o3tl::cow_wrapper< ImplB3DPolygon, o3tl::ThreadSafeRefCountingPolicy > ImplType;
+
+ private:
+ // internal data.
+ ImplType mpPolygon;
+
+ public:
+ B3DPolygon();
+ B3DPolygon(const B3DPolygon& rPolygon);
+ B3DPolygon(B3DPolygon&& rPolygon);
+ ~B3DPolygon();
+
+ // assignment operator
+ B3DPolygon& operator=(const B3DPolygon& rPolygon);
+ B3DPolygon& operator=(B3DPolygon&& rPolygon);
+
+ // compare operators
+ bool operator==(const B3DPolygon& rPolygon) const;
+ bool operator!=(const B3DPolygon& rPolygon) const;
+
+ // member count
+ sal_uInt32 count() const;
+
+ // Coordinate interface
+ B3DPoint const & getB3DPoint(sal_uInt32 nIndex) const;
+ void setB3DPoint(sal_uInt32 nIndex, const B3DPoint& rValue);
+
+ // Coordinate append
+ void append(const B3DPoint& rPoint, sal_uInt32 nCount = 1);
+
+ // BColor interface
+ BColor const & getBColor(sal_uInt32 nIndex) const;
+ void setBColor(sal_uInt32 nIndex, const BColor& rValue);
+ bool areBColorsUsed() const;
+ void clearBColors();
+
+ // Normals interface
+ B3DVector const & getNormal() const; // plane normal
+ B3DVector const & getNormal(sal_uInt32 nIndex) const; // normal in each point
+ void setNormal(sal_uInt32 nIndex, const B3DVector& rValue);
+ void transformNormals(const B3DHomMatrix& rMatrix);
+ bool areNormalsUsed() const;
+ void clearNormals();
+
+ // TextureCoordinate interface
+ B2DPoint const & getTextureCoordinate(sal_uInt32 nIndex) const;
+ void setTextureCoordinate(sal_uInt32 nIndex, const B2DPoint& rValue);
+ void transformTextureCoordinates(const B2DHomMatrix& rMatrix);
+ bool areTextureCoordinatesUsed() const;
+ void clearTextureCoordinates();
+
+ // append other 2D polygons
+ void append(const B3DPolygon& rPoly, sal_uInt32 nIndex = 0, sal_uInt32 nCount = 0);
+
+ // remove
+ void remove(sal_uInt32 nIndex, sal_uInt32 nCount = 1);
+
+ // clear all points
+ void clear();
+
+ // closed state
+ bool isClosed() const;
+ void setClosed(bool bNew);
+
+ // flip polygon direction
+ void flip();
+
+ // test if Polygon has double points
+ bool hasDoublePoints() const;
+
+ // remove double points, at the begin/end and follow-ups, too
+ void removeDoublePoints();
+
+ // apply transformation given in matrix form to the polygon
+ void transform(const B3DHomMatrix& rMatrix);
+ };
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */