// Created on: 1995-04-25
// Created by: Marie Jose MARTZ
// Copyright (c) 1995-1999 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.

#ifndef _BRepToIGESBRep_Entity_HeaderFile
#define _BRepToIGESBRep_Entity_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>

#include <TopTools_IndexedMapOfShape.hxx>
#include <TColStd_IndexedMapOfTransient.hxx>
#include <BRepToIGES_BREntity.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Real.hxx>
class IGESSolid_EdgeList;
class IGESSolid_VertexList;
class TopoDS_Vertex;
class TopoDS_Edge;
class IGESData_IGESEntity;
class TopoDS_Shape;
class TopoDS_Face;
class IGESSolid_Loop;
class TopoDS_Wire;
class IGESSolid_Face;
class IGESSolid_Shell;
class TopoDS_Shell;
class IGESSolid_ManifoldSolid;
class TopoDS_Solid;
class TopoDS_CompSolid;
class TopoDS_Compound;


//! provides methods to transfer BRep entity from CASCADE to IGESBRep.
class BRepToIGESBRep_Entity  : public BRepToIGES_BREntity
{
public:

  DEFINE_STANDARD_ALLOC

  
  //! Creates a tool Entity
  Standard_EXPORT BRepToIGESBRep_Entity();
  
  //! Clears the contents of the fields
  Standard_EXPORT void Clear();
  
  //! Create the VertexList entity
  Standard_EXPORT void TransferVertexList();
  
  //! Returns the index of <myvertex> in "myVertices"
  Standard_EXPORT Standard_Integer IndexVertex (const TopoDS_Vertex& myvertex) const;
  
  //! Stores <myvertex> in "myVertices"
  //! Returns the index of <myvertex>.
  Standard_EXPORT Standard_Integer AddVertex (const TopoDS_Vertex& myvertex);
  
  //! Transfert an Edge entity from TopoDS to IGES
  Standard_EXPORT void TransferEdgeList();
  
  //! Returns the index of <myedge> in "myEdges"
  Standard_EXPORT Standard_Integer IndexEdge (const TopoDS_Edge& myedge) const;
  
  //! Stores <myedge> in "myEdges" and <mycurve3d> in "myCurves".
  //! Returns the index of <myedge>.
  Standard_EXPORT Standard_Integer AddEdge (const TopoDS_Edge& myedge, const Handle(IGESData_IGESEntity)& mycurve3d);
  
  //! Returns the result of the transfert of any Shape
  //! If  the transfer has  failed, this member return a NullEntity.
  Standard_EXPORT virtual Handle(IGESData_IGESEntity) TransferShape (const TopoDS_Shape& start) Standard_OVERRIDE;
  
  //! Transfert an Edge entity from TopoDS to IGES
  //! If this Entity could not be converted, this member returns a NullEntity.
  Standard_EXPORT Handle(IGESData_IGESEntity) TransferEdge (const TopoDS_Edge& myedge);
  
  //! Transfert an Edge entity from TopoDS to IGES
  //! If this Entity could not be converted, this member returns a NullEntity.
  Standard_EXPORT Handle(IGESData_IGESEntity) TransferEdge (const TopoDS_Edge& myedge, const TopoDS_Face& myface, const Standard_Real length);
  
  //! Transfert a Wire entity from TopoDS to IGES.
  //! Returns the curve associated to mywire in the parametric space of myface.
  //! If this Entity could not be converted, this member returns a NullEntity.
  Standard_EXPORT Handle(IGESSolid_Loop) TransferWire (const TopoDS_Wire& mywire, const TopoDS_Face& myface, const Standard_Real length);
  
  //! Transfert a Face entity from TopoDS to IGES
  //! If this Entity could not be converted, this member returns a NullEntity.
  Standard_EXPORT Handle(IGESSolid_Face) TransferFace (const TopoDS_Face& start);
  
  //! Transfert an Shell entity from TopoDS to IGES
  //! If this Entity could not be converted, this member returns a NullEntity.
  Standard_EXPORT Handle(IGESSolid_Shell) TransferShell (const TopoDS_Shell& start);
  
  //! Transfert a Solid entity from TopoDS to IGES
  //! If this Entity could not be converted, this member returns a NullEntity.
  Standard_EXPORT Handle(IGESSolid_ManifoldSolid) TransferSolid (const TopoDS_Solid& start);
  
  //! Transfert an CompSolid entity from TopoDS to IGES
  //! If this Entity could not be converted, this member returns a NullEntity.
  Standard_EXPORT Handle(IGESData_IGESEntity) TransferCompSolid (const TopoDS_CompSolid& start);
  
  //! Transfert a Compound entity from TopoDS to IGES
  //! If this Entity could not be converted, this member returns a NullEntity.
  Standard_EXPORT Handle(IGESData_IGESEntity) TransferCompound (const TopoDS_Compound& start);




protected:





private:



  TopTools_IndexedMapOfShape myVertices;
  TopTools_IndexedMapOfShape myEdges;
  TColStd_IndexedMapOfTransient myCurves;
  Handle(IGESSolid_EdgeList) myEdgeList;
  Handle(IGESSolid_VertexList) myVertexList;


};







#endif // _BRepToIGESBRep_Entity_HeaderFile