// Created on: 1996-02-13
// Created by: Yves FRICAUD
// Copyright (c) 1996-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.


#include <BRepOffset_MakeOffset.hxx>
#include <BRepOffsetAPI_MakeThickSolid.hxx>
#include <Standard_ConstructionError.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>

//=======================================================================
//function : BRepOffsetAPI_MakeThickSolid
//purpose  : 
//=======================================================================
BRepOffsetAPI_MakeThickSolid::BRepOffsetAPI_MakeThickSolid()
{
}


//=======================================================================
//function : BRepOffsetAPI_MakeThickSolid
//purpose  : 
//=======================================================================

BRepOffsetAPI_MakeThickSolid::BRepOffsetAPI_MakeThickSolid
(const TopoDS_Shape&         S, 
 const TopTools_ListOfShape& ClosingFaces,
 const Standard_Real         Offset, 
 const Standard_Real         Tol, 
 const BRepOffset_Mode       Mode,
 const Standard_Boolean      Intersection,
 const Standard_Boolean      SelfInter,
 const GeomAbs_JoinType      Join,
 const Standard_Boolean      RemoveIntEdges)
{
  myOffsetShape.Initialize (S,Offset,Tol,Mode,Intersection,SelfInter,
                            Join, Standard_False, RemoveIntEdges);
  TopTools_ListIteratorOfListOfShape it(ClosingFaces);
  for (; it.More(); it.Next()) {
    myOffsetShape.AddFace(TopoDS::Face(it.Value()));
  }
  Build();
}

//=======================================================================
//function : virtual
//purpose  : 
//=======================================================================

void BRepOffsetAPI_MakeThickSolid::Build()
{
  if (!IsDone()) {
    myOffsetShape.MakeThickSolid();
    if (!myOffsetShape.IsDone()) return;
    myShape  = myOffsetShape.Shape();
    Done();
  }
}



//=======================================================================
//function : Modified
//purpose  : 
//=======================================================================

const TopTools_ListOfShape& BRepOffsetAPI_MakeThickSolid::Modified (const TopoDS_Shape& F) 

{
  myGenerated.Clear();
  if (myOffsetShape.OffsetFacesFromShapes().HasImage(F)) {
    if (myOffsetShape.ClosingFaces().Contains(F)) { 
      myOffsetShape.OffsetFacesFromShapes().LastImage (F, myGenerated); 
      // Les face du resultat sont orientees comme dans la piece initiale.
      //si offset a l interieur.
      TopTools_ListIteratorOfListOfShape it(myGenerated);
      for (; it.More(); it.Next())
	it.Value().Reverse();
   
    }
  }
  return myGenerated;
}