organized_index_iterator.h

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#ifndef __PCL_ORGANIZED_INDEX_ITERATOR__
#define __PCL_ORGANIZED_INDEX_ITERATOR__

namespace pcl
{
class OrganizedIndexIterator
{
  public:
    OrganizedIndexIterator (unsigned width);
    
    virtual ~OrganizedIndexIterator ();
    
    virtual void operator ++ () = 0;
    
    virtual void operator ++ (int);
    
    unsigned operator* () const;
    
    virtual unsigned getIndex () const;

    virtual unsigned getRowIndex () const;

    virtual unsigned getColumnIndex () const;

    virtual bool isValid () const = 0;

    virtual void reset () = 0;
    
  protected:
    unsigned width_;
    
    unsigned index_;
};


inline OrganizedIndexIterator::OrganizedIndexIterator (unsigned width)
: width_ (width)
, index_ (0)
{  
}

inline OrganizedIndexIterator::~OrganizedIndexIterator ()
{  
}

inline void
OrganizedIndexIterator::operator++ (int)
{
  return operator ++();
}

inline unsigned
pcl::OrganizedIndexIterator::operator * () const
{
  return index_;
}

inline unsigned
pcl::OrganizedIndexIterator::getIndex () const
{
  return index_;
}


inline unsigned
pcl::OrganizedIndexIterator::getRowIndex () const
{
  return index_ / width_;
}

inline unsigned
pcl::OrganizedIndexIterator::getColumnIndex () const
{
  return index_ % width_;
}
} // namespace pcl

#endif // __PCL_ORGANIZED_INDEX_ITERATOR__