cgal/Arrangement_2/include/CGAL/Arr_default_overlay_traits.h

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// Copyright (c) 2005 Tel-Aviv University (Israel).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Ron Wein <baruchzu@post.tau.ac.il>
#ifndef CGAL_ARR_DEFAULT_OVERLAY_TRAITS_H
#define CGAL_ARR_DEFAULT_OVERLAY_TRAITS_H
#include <CGAL/Arr_default_dcel.h>
#include <CGAL/Arr_extended_dcel.h>
#include <CGAL/Arr_overlay_2/Arr_overlay_traits.h>
CGAL_BEGIN_NAMESPACE
/*!
* \class
* An overlay-traits class for computing the overlay of two arrangement that
* are templated with the default DCEL classes, namely they store no extra
* data with their DCEL features. The resulting arrangement is also assumed
* to be templated with the default DCEL.
*/
template <class Arrangement_>
class Arr_default_overlay_traits :
public _Arr_default_overlay_traits<Arrangement_, Arrangement_, Arrangement_>
{};
/*!
* \class
* An overlay-traits class for computing the overlay of two arrangement whose
* face records are extended with auxiliary data fields, of type Data1 and
* Data2, respectively. The resulting arrangement is also assumed to be
* templated with the face-extended DCEL, where each face stores an auxiliart
* Res_data field.
* The resulting data object that corresponds to the overlay of two data
* object of type Data1 and Data2 is computed using the functor
* Overlay_face_data.
*/
template <class ArrangementA, class ArrangementB, class ArrangementR,
class OverlayFaceData_>
class Arr_face_overlay_traits :
public _Arr_default_overlay_traits<ArrangementA, ArrangementB, ArrangementR>
{
public:
typedef typename ArrangementA::Face_const_handle Face_handle_A;
typedef typename ArrangementB::Face_const_handle Face_handle_B;
typedef typename ArrangementR::Face_handle Face_handle_R;
typedef OverlayFaceData_ Overlay_face_data;
private:
Overlay_face_data overlay_face_data;
public:
/*!
* Create a face f that matches the overlapping region between f1 and f2.
*/
virtual void create_face (Face_handle_A f1,
Face_handle_B f2,
Face_handle_R f) const
{
// Overlay the data objects associated with f1 and f2 and store the result
// with f.
f->set_data (overlay_face_data (f1->data(), f2->data()));
return;
}
};
CGAL_END_NAMESPACE
#endif