include/shape/cell2d.hpp

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/*****************************************************************************
 * M a t h e m a  g i x
 *****************************************************************************
 * Cell
 * 2008-03-20
 * Julien Wintz & Bernard Mourrain
 *****************************************************************************
 *               Copyright (C) 2008 INRIA Sophia-Antipolis
 *****************************************************************************
 * Comments :
 ****************************************************************************/
# ifndef shape_cell2d_hpp
# define shape_cell2d_hpp


# include <realroot/Seq.hpp>
# include <shape/point.hpp>
# include <shape/edge.hpp>
# include <shape/bounding_box.hpp>
# include <shape/cell.hpp>
# include <shape/graph.hpp>

# define TMPL  template<class C, class V>
# define SELF cell2d<C,V>
# define REF REF_OF(V)
# undef Topology
# undef Point
# undef Edge
//====================================================================
namespace mmx { namespace shape {
//====================================================================
TMPL struct cell2d;
//--------------------------------------------------------------------
TMPL
class cell2d : public cell<C,REF> {
public:

  typedef  topology<C,V>                     Topology;
  typedef typename topology<C,V>::Point      Point;
  typedef typename topology<C,V>::Edge       Edge;
  typedef bounding_box<C,REF>                BoundingBox;
  typedef cell<C,REF>                        Cell;

  cell2d(void) ;
  cell2d(const BoundingBox & bx): Cell(bx) {}
  cell2d(double xmin, double xmax): Cell(xmin,xmax) {};
  cell2d(double xmin, double xmax, double ymin, double ymax): Cell(xmin,xmax,ymin,ymax) {} ;

  virtual ~cell2d(void) ;
  virtual Point center(void) const { return Point((this->xmax()+this->xmin())/2,
                                                  (this->ymax()+this->ymin())/2,0); }
  virtual bool is_adjacent(SELF* c);
};

TMPL SELF::cell2d(void) { }

TMPL SELF::~cell2d(void) {}

TMPL
bool SELF::is_adjacent(SELF* c2){

  if(this->xmax()<c2->xmin() || c2->xmax()<this->xmin())
    return false;
  if(this->ymax()<c2->ymin() || c2->ymax()<this->ymin())
    return false;
  if((this->xmax()==c2->xmin() || c2->xmax()==this->xmin())) {
      if((this->ymax()==c2->ymin() || c2->ymax()==this->ymin()))
          return false;
  }
  return true;
}

} ; // namespace shape
} ; // namespace mmx
# undef TMPL
# undef SELF 
# undef REF
# endif // shape_cell2d_hpp

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