ZtLattice.H

/* ZtLattice.H */
/* $Id: ZtLattice.H,v 1.9 2005/04/29 07:26:40 vlad Exp $ */
#ifndef __ZtLattice_H
#define __ZtLattice_H

#include <mix/DoubleAr.H>
#include <zm/ZtTablet.H>


enum OpStatus {
  opNone, opInsert, opRemove
};

class ZtLattice : public ZtTablet
{
protected:

  double    l_eps;          
  DoubleAr  *pt_ar;     
  int       ar_order;   
public:

  OpStatus  status;     
  double    coord;      
  unsigned  index;      
  ZGEnv     line;

  ZtLattice (ZtMain* pManager,
         ZGroupId pxid, ZGroupId pyid,
         ZDimension dim, ZGroupId nid);

  void  attach_data (DoubleAr& points, int order = ASCENT_ORDER);

  void  detach_data ();

  virtual void  point (float nx, float ny);

  virtual void  redraw ();

  virtual Logic check_point (const XEvent* xev, ZPoint& p);

  virtual ErrCode   insert_layer (int iNumber, double dDepth);

  virtual ErrCode   change_layer (int iNumber, double dDepth);

  virtual void  delete_layer (int iNumber);

  double    layer_value (int i) {
    return (pt_ar==NULL)? 0: pt_ar->get(i);
  }

  int       n_of_layers () const {
    return (pt_ar==NULL)? 0: pt_ar->count();
  }

  void      set_eps (double e) {
    l_eps = e;
  }

  Logic     hit_layer (int iNumber, double dDepth) const;

  virtual const char*   class_id () const;

};


#endif /* ZtLattice.H */