// Created on: 1991-06-21
// Created by: Didier PIFFAULT
// Copyright (c) 1991-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.


#include <Intf_SectionLine.ixx>

//=======================================================================
//function : Intf_SectionLine
//purpose  : Construct
//=======================================================================

Intf_SectionLine::Intf_SectionLine ()
     : closed(Standard_False)
{}

//=======================================================================
//function : Intf_SectionLine
//purpose  : Copy
//=======================================================================

Intf_SectionLine::Intf_SectionLine (const Intf_SectionLine& Other)
     : closed(Standard_False)
{
  myPoints=Other.myPoints;
}


//=======================================================================
//function : Append
//purpose  : 
//=======================================================================

void Intf_SectionLine::Append (const Intf_SectionPoint& Pi)
{
  myPoints.Append(Pi);
}

//=======================================================================
//function : Append
//purpose  : 
//=======================================================================

void Intf_SectionLine::Append (Intf_SectionLine& LS)
{
  myPoints.Append(LS.myPoints);
}

//=======================================================================
//function : Prepend
//purpose  : 
//=======================================================================

void Intf_SectionLine::Prepend (const Intf_SectionPoint& Pi)
{
  myPoints.Prepend(Pi);
}

//=======================================================================
//function : Prepend
//purpose  : 
//=======================================================================

void Intf_SectionLine::Prepend (Intf_SectionLine& LS)
{
  myPoints.Prepend(LS.myPoints);
}

//=======================================================================
//function : Reverse
//purpose  : 
//=======================================================================

void Intf_SectionLine::Reverse ()
{
  myPoints.Reverse();
}

//=======================================================================
//function : Close
//purpose  : 
//=======================================================================

void Intf_SectionLine::Close ()
{
  closed=Standard_True;
}


//=======================================================================
//function : GetPoint
//purpose  : 
//=======================================================================

const Intf_SectionPoint& Intf_SectionLine::GetPoint
  (const Standard_Integer index) const
{
  return myPoints.Value(index);
}


//=======================================================================
//function : IsClosed
//purpose  : 
//=======================================================================

Standard_Boolean Intf_SectionLine::IsClosed () const
{
//return closed;
// On ne peut fermer une ligne de section inseree dans une liste car
// la fonction Value() copie l'element avant d'appeler la fonction.
// C'est donc la copie qui est modifiee.
// Pour la sequence myPoints on a un pointeur donc le pb ne se pose pas.

  return (myPoints.First()==myPoints.Last());
}

//=======================================================================
//function : Contains
//purpose  : 
//=======================================================================

Standard_Boolean Intf_SectionLine::Contains
 (const Intf_SectionPoint& ThePI) const
{
  for (Standard_Integer i = 1; i <= myPoints.Length();i++)
    if (ThePI.IsEqual(myPoints(i))) return Standard_True;
  return Standard_False;
}


//=======================================================================
//function : IsEnd
//purpose  : 
//=======================================================================

Standard_Integer Intf_SectionLine::IsEnd 
  (const Intf_SectionPoint& ThePI) const
{
  if (myPoints.First().IsEqual(ThePI)) return 1;
  if (myPoints.Last().IsEqual(ThePI)) return myPoints.Length();
  return 0;
}


//=======================================================================
//function : IsEqual
//purpose  : 
//=======================================================================

Standard_Boolean Intf_SectionLine::IsEqual 
  (const Intf_SectionLine& Other) const
{
  if (myPoints.Length() != Other.myPoints.Length())
    return Standard_False;
  for (Standard_Integer i = 1; i <= myPoints.Length(); i++)
    if (!myPoints(i).IsEqual(Other.myPoints(i))) return Standard_False;
  return Standard_True;
}

//=======================================================================
//function : Dump
//purpose  : 
//=======================================================================

void Intf_SectionLine::Dump
 (const Standard_Integer Indent) const
{
  for (Standard_Integer id=0; id<Indent; id++) cout << " ";
  cout << "LS ";
  if (IsClosed()) cout << "Closed :" << endl;
  else cout << "Open :" << endl;
  for (Standard_Integer p=1; p<=myPoints.Length(); p++) {
    myPoints.Value(p).Dump(Indent+2);
  }
}