// Created on: 1997-04-14
// Created by: Olga PILLOT
// Copyright (c) 1997-1999 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 _LocOpe_LinearForm_HeaderFile
#define _LocOpe_LinearForm_HeaderFile

#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"

#include "TopoDS_Shape.hxx"
#include "gp_Vec.hxx"
#include "NCollection_List.hxx"
#include "TopTools_ShapeMapHasher.hxx"
#include "NCollection_DataMap.hxx"
#include "gp_Pnt.hxx"

//! Defines a linear form (using Prism from BRepSweep)
//! with modifications provided for the LinearForm feature.
class LocOpe_LinearForm
{
public:
  DEFINE_STANDARD_ALLOC

  LocOpe_LinearForm();

  LocOpe_LinearForm(const TopoDS_Shape& Base,
                    const gp_Vec&       V,
                    const gp_Pnt&       Pnt1,
                    const gp_Pnt&       Pnt2);

  LocOpe_LinearForm(const TopoDS_Shape& Base,
                    const gp_Vec&       V,
                    const gp_Vec&       Vectra,
                    const gp_Pnt&       Pnt1,
                    const gp_Pnt&       Pnt2);

  Standard_EXPORT void Perform(const TopoDS_Shape& Base,
                               const gp_Vec&       V,
                               const gp_Pnt&       Pnt1,
                               const gp_Pnt&       Pnt2);

  Standard_EXPORT void Perform(const TopoDS_Shape& Base,
                               const gp_Vec&       V,
                               const gp_Vec&       Vectra,
                               const gp_Pnt&       Pnt1,
                               const gp_Pnt&       Pnt2);

  Standard_EXPORT const TopoDS_Shape& FirstShape() const;

  Standard_EXPORT const TopoDS_Shape& LastShape() const;

  Standard_EXPORT const TopoDS_Shape& Shape() const;

  Standard_EXPORT const NCollection_List<TopoDS_Shape>& Shapes(const TopoDS_Shape& S) const;

private:
  Standard_EXPORT void IntPerf();

  TopoDS_Shape myBase;
  gp_Vec       myVec;
  gp_Vec       myTra;
  bool         myDone;
  bool         myIsTrans;
  TopoDS_Shape myRes;
  TopoDS_Shape myFirstShape;
  TopoDS_Shape myLastShape;
  NCollection_DataMap<TopoDS_Shape, NCollection_List<TopoDS_Shape>, TopTools_ShapeMapHasher> myMap;
  gp_Pnt                                                                                     myPnt1;
  gp_Pnt                                                                                     myPnt2;
};

#include "LocOpe_LinearForm.lxx"

#endif // _LocOpe_LinearForm_HeaderFile