corner.hh

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// SPDX-FileCopyrightText: Copyright (C) DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
 
#ifndef DUNE_GRID_IO_FILE_VTK_CORNER_HH
#define DUNE_GRID_IO_FILE_VTK_CORNER_HH
 
#include <dune/grid/io/file/vtk/common.hh>
 
namespace Dune
{
 
  namespace VTK {
 
 
    template<typename Cell>
    class Corner {
      // store a pointer to the element
      const Cell* cell_;
      // store index of the corner within element (Dune numbering)
      unsigned index;
 
    public:
 
      Corner(const Cell& cell, unsigned duneIndex)
        : cell_(&cell), index(duneIndex)
      { }
 
      Corner() { }
 
      const Cell& cell() const { return *cell_; }
 
      void cell(const Cell& cell__) { cell_ = &cell__; index = 0; }
 
      unsigned duneIndex() const { return index; }
      void duneIndex(unsigned i) { index = i; }
 
 
      unsigned vtkIndex() const { return renumber(cell_->type(), index); }
 
      void vtkIndex(unsigned i) { index = renumber(cell_->type(), i); }
    };
 
  } // namespace VTK
 
 
} // namespace Dune
 
#endif // DUNE_GRID_IO_FILE_VTK_CORNER_HH