HalfEdgeIterator.h

Go to the documentation of this file.

// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@gmail.com>
//
// 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/.
#ifndef IGL_HALFEDGEITERATOR_H
#define IGL_HALFEDGEITERATOR_H
 
#include <Eigen/Core>
 
#include <vector>
#include "igl_inline.h"
 
 
namespace igl
{
  template <
    typename DerivedF,
    typename DerivedFF,
    typename DerivedFFi>
  class HalfEdgeIterator
  {
  public:
    IGL_INLINE HalfEdgeIterator(
        const Eigen::MatrixBase<DerivedF>& _F,
        const Eigen::MatrixBase<DerivedFF>& _FF,
        const Eigen::MatrixBase<DerivedFFi>& _FFi,
        int _fi,
        int _ei,
        bool _reverse = false
        );
 
    IGL_INLINE void flipF();
 
    IGL_INLINE void flipE();
 
    IGL_INLINE void flipV();
 
    IGL_INLINE bool isBorder();
 
    IGL_INLINE bool NextFE();
 
    IGL_INLINE int Vi();
 
    IGL_INLINE int Fi();
 
    IGL_INLINE int Ei();
 
    IGL_INLINE bool operator==(HalfEdgeIterator& p2);
 
  private:
    int fi;
    int ei;
    bool reverse;
 
    // All the same type? This is likely to break.
    const Eigen::MatrixBase<DerivedF> & F;
    const Eigen::MatrixBase<DerivedFF> & FF;
    const Eigen::MatrixBase<DerivedFFi> & FFi;
  };
 
}
 
#ifndef IGL_STATIC_LIBRARY
#  include "HalfEdgeIterator.cpp"
#endif
 
#endif