mirror of https://github.com/CGAL/cgal
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
// Copyright (c) 2009 INRIA Sophia-Antipolis (France),
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//
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// This file is part of CGAL (www.cgal.org); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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// Author(s) : Samuel Hornus
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#ifndef CGAL_TRIANGULATION_FACE_H
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#define CGAL_TRIANGULATION_FACE_H
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#include <CGAL/basic.h>
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#include <CGAL/internal/Static_or_dynamic_array.h>
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namespace CGAL {
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template< typename TDS >
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class Triangulation_face
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{
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typedef typename internal::Dimen_plus_one<typename TDS::Ambient_dimension>::type Dimen_plus;
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public:
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typedef typename TDS::Full_cell_handle Full_cell_handle; /* Concept */
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typedef typename TDS::Vertex_handle Vertex_handle; /* Concept */
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typedef internal::S_or_D_array<int, Dimen_plus> Indices;
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protected:
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Full_cell_handle full_cell_;
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Indices indices_;
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public:
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explicit Triangulation_face(Full_cell_handle s) /* Concept */
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: full_cell_(s), indices_(s->ambient_dimension()+2)
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{
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CGAL_assertion( Full_cell_handle() != s );
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clear();
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}
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explicit Triangulation_face(const int ambient_dim) /* Concept */
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: full_cell_(), indices_(ambient_dim+2)
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{
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clear();
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}
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Triangulation_face(const Triangulation_face & f) /* Concept */
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: full_cell_(f.full_cell_), indices_(f.indices_)
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{}
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int face_dimension() const /* Concept */
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{
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int i(0);
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while( -1 != indices_[i] ) ++i;
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return (i-1);
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}
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Full_cell_handle full_cell() const /* Concept */
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{
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return full_cell_;
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}
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int index(const int i) const /* Concept */
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{
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CGAL_precondition( (0 <= i) && (i <= face_dimension()) );
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return indices_[i];
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}
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Vertex_handle vertex(const int i) const /* Concept */
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{
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int j = index(i);
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if( j == -1 )
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return Vertex_handle();
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return full_cell()->vertex(j);
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}
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// - - - - - - - - - - - - - - - - - - UPDATE FUNCTIONS
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void clear() /* Concept */
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{
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const int d = indices_.size();
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for(int i = 0; i < d; ++i )
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indices_[i] = -1;
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}
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void set_full_cell(Full_cell_handle s) /* Concept */
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{
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CGAL_precondition( Full_cell_handle() != s );
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full_cell_ = s;
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}
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void set_index(const int i, const int idx) /* Concept */
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{
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CGAL_precondition( (0 <= i) && ((size_t)i+1 < indices_.size()) );
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CGAL_precondition( (0 <= idx) && ((size_t)idx < indices_.size()) );
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indices_[i] = idx;
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}
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};
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} //namespace CGAL
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#endif // CGAL_TRIANGULATION_FACE_H
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