// Created on: 1998-11-13
// Created by: Jean-Michel BOULCOURT
// Copyright (c) 1998-1999 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 _BRepProj_Projection_HeaderFile
#define _BRepProj_Projection_HeaderFile

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

#include <Standard_Boolean.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Compound.hxx>
#include <TopTools_HSequenceOfShape.hxx>
#include <Standard_Integer.hxx>
#include <TopoDS_Wire.hxx>
class Standard_NoSuchObject;
class Standard_ConstructionError;
class Standard_NullObject;
class TopoDS_Shape;
class gp_Dir;
class gp_Pnt;


//! The  Projection   class provides  conical  and
//! cylindrical projections of  Edge  or  Wire  on
//! a Shape from TopoDS. The result will be a Edge
//! or  Wire  from  TopoDS.
class BRepProj_Projection 
{
public:

  DEFINE_STANDARD_ALLOC

  
  //! Makes a Cylindrical projection of Wire om Shape
  Standard_EXPORT BRepProj_Projection(const TopoDS_Shape& Wire, const TopoDS_Shape& Shape, const gp_Dir& D);
  
  //! Makes a Conical projection of Wire om Shape
  Standard_EXPORT BRepProj_Projection(const TopoDS_Shape& Wire, const TopoDS_Shape& Shape, const gp_Pnt& P);
  
  //! returns False if the section failed
    Standard_Boolean IsDone() const;
  
  //! Resets the iterator by resulting wires.
    void Init();
  
  //! Returns True if there is a current result wire
    Standard_Boolean More() const;
  
  //! Move to the next result wire.
    void Next();
  
  //! Returns the current result wire.
    TopoDS_Wire Current() const;
  
  //! Returns the complete result as compound of wires.
    TopoDS_Compound Shape() const;




protected:





private:

  
  //! Performs section of theShape by theTool
  //! and stores result in the fields.
  Standard_EXPORT void BuildSection (const TopoDS_Shape& Shape, const TopoDS_Shape& Tool);


  Standard_Boolean myIsDone;
  TopoDS_Shape myLsh;
  TopoDS_Compound myShape;
  Handle(TopTools_HSequenceOfShape) mySection;
  Standard_Integer myItr;


};


#include <BRepProj_Projection.lxx>





#endif // _BRepProj_Projection_HeaderFile
