TetrahedralMeshIterators.hh

/*===========================================================================*\
 *                                                                           *
 *                            OpenVolumeMesh                                 *
 *        Copyright (C) 2011 by Computer Graphics Group, RWTH Aachen         *
 *                        www.openvolumemesh.org                             *
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/*===========================================================================*\
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 *   $Revision$                                                         *
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\*===========================================================================*/

#ifndef TETRAHEDRALMESHITERATORS_HH
#define TETRAHEDRALMESHITERATORS_HH

#include "../Core/Iterators.hh"

namespace OpenVolumeMesh {

class TetrahedralMeshTopologyKernel;


class TetVertexIter : public BaseCirculator<CellHandle,
    VertexHandle> {
private:
    typedef BaseCirculator<CellHandle,
            VertexHandle> BaseIter;
public:
    TetVertexIter(const CellHandle& _ref_h,
                  const TetrahedralMeshTopologyKernel* _mesh,
                  int _max_laps = 1);

    // Post increment/decrement operator
    TetVertexIter operator++(int) {
        TetVertexIter cpy = *this;
        ++(*this);
        return cpy;
    }
    TetVertexIter operator--(int) {
        TetVertexIter cpy = *this;
        --(*this);
        return cpy;
    }
    TetVertexIter operator+(int _n) {
        TetVertexIter cpy = *this;
        for(int i = 0; i < _n; ++i) {
            ++cpy;
        }
        return cpy;
    }
    TetVertexIter operator-(int _n) {
        TetVertexIter cpy = *this;
        for(int i = 0; i < _n; ++i) {
            --cpy;
        }
        return cpy;
    }
    TetVertexIter& operator+=(int _n) {
        for(int i = 0; i < _n; ++i) {
            ++(*this);
        }
        return *this;
    }
    TetVertexIter& operator-=(int _n) {
        for(int i = 0; i < _n; ++i) {
            --(*this);
        }
        return *this;
    }

    TetVertexIter& operator++();
    TetVertexIter& operator--();

private:
    std::vector<VertexHandle> vertices_;
    size_t cur_index_;
};

} // Namespace OpenVolumeMesh

#endif /* TETRAHEDRALMESHITERATORS_HH */