// Copyright (c) 1997-2002  INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $Source: /CVSROOT/CGAL/Packages/Triangulation_2/demo/Triangulation_2/regular_triangulation_2_layers.h,v $
// $Revision: 1.2.4.1 $ $Date: 2004/12/18 17:16:05 $
// $Name:  $
//
// Author(s)     : Radu Ursu

#ifndef CGAL_REGULAR_TRIANGULATION_2_LAYERS_H
#define CGAL_REGULAR_TRIANGULATION_2_LAYERS_H

#include <CGAL/Cartesian.h>
#include <CGAL/Circle_2.h>
#include <CGAL/IO/Qt_widget_layer.h>
#include <CGAL/IO/Qt_widget_Regular_triangulation_2.h>
#include <qobject.h>


template <class T>
class Qt_layer_show_triangulation : public CGAL::Qt_widget_layer
{
public:
  Qt_layer_show_triangulation(T &t) : tr(t){};
  void draw()
  {
    *widget << CGAL::BLUE;
    *widget << tr;
  };
private:
  T &tr;
};//end class

template <class T>
class Qt_layer_show_voronoi : public CGAL::Qt_widget_layer
{
public:
  Qt_layer_show_voronoi(T &t1) : tr(t1){};
  void draw()
  {
    *widget << CGAL::RED ;
    tr.draw_dual(*widget);
  };
private:
  T	&tr;
};//end class

template <class T>
class Qt_layer_show_points : public CGAL::Qt_widget_layer {
public:
  typedef typename T::Point           Point;
  typedef typename T::Segment         Segment;
  typedef typename T::Vertex          Vertex;
  typedef typename T::Finite_vertices_iterator
                                      Finite_vertices_iterator;
  typedef typename T::Hidden_vertices_iterator
                                      Hidden_verticex_iterator;

  Qt_layer_show_points(T &t) : rt(t){};
  void draw()
  {
    Finite_vertices_iterator it = rt.finite_vertices_begin(),
                    beyond = rt.finite_vertices_end();
    *widget << CGAL::GREEN << CGAL::PointSize (3)
		<< CGAL::PointStyle (CGAL::DISC);
    while(it != beyond) {
      *widget << (*it).point();
      *widget << Circle((*it).point().point(), (*it).point().weight());
      ++it;
    }

    Hidden_verticex_iterator hit=rt.hidden_vertices_begin(),
                       hbeyond = rt.hidden_vertices_end();
    *widget << CGAL::YELLOW << CGAL::PointSize (3)
		<< CGAL::PointStyle (CGAL::DISC);
    while(hit != hbeyond) {
      *widget << (*hit).point();
      *widget << Circle((*hit).point().point(), (*hit).point().weight());
      ++hit;
    }
  };
private:
  T	&rt;
};//end class


#endif