// Created on: 1996-04-10
// Created by: Joelle CHAUVET
// 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.

#ifndef _AdvApp2Var_Framework_HeaderFile
#define _AdvApp2Var_Framework_HeaderFile

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

#include <AdvApp2Var_SequenceOfNode.hxx>
#include <AdvApp2Var_SequenceOfStrip.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Integer.hxx>
#include <GeomAbs_IsoType.hxx>
#include <Standard_Real.hxx>
#include <TColStd_HArray1OfReal.hxx>
class AdvApp2Var_Iso;
class AdvApp2Var_Node;



class AdvApp2Var_Framework 
{
public:

  DEFINE_STANDARD_ALLOC

  
  Standard_EXPORT AdvApp2Var_Framework();
  
  Standard_EXPORT AdvApp2Var_Framework(const AdvApp2Var_SequenceOfNode& Frame, const AdvApp2Var_SequenceOfStrip& UFrontier, const AdvApp2Var_SequenceOfStrip& VFrontier);

  //! search the Index of the first Iso not approximated,
  //! if all Isos are approximated NULL is returned.
  Standard_EXPORT Handle(AdvApp2Var_Iso) FirstNotApprox (Standard_Integer& IndexIso, Standard_Integer& IndexStrip) const;
  
  Standard_EXPORT Standard_Integer FirstNode (const GeomAbs_IsoType Type, const Standard_Integer IndexIso, const Standard_Integer IndexStrip) const;
  
  Standard_EXPORT Standard_Integer LastNode (const GeomAbs_IsoType Type, const Standard_Integer IndexIso, const Standard_Integer IndexStrip) const;
  
  Standard_EXPORT void ChangeIso (const Standard_Integer IndexIso, const Standard_Integer IndexStrip, const Handle(AdvApp2Var_Iso)& anIso);
  
  const Handle(AdvApp2Var_Node)& Node (const Standard_Integer IndexNode) const { return myNodeConstraints.Value(IndexNode); }
  
  Standard_EXPORT const Handle(AdvApp2Var_Node)& Node (const Standard_Real U, const Standard_Real V) const;
  
  Standard_EXPORT const AdvApp2Var_Iso& IsoU (const Standard_Real U, const Standard_Real V0, const Standard_Real V1) const;
  
  Standard_EXPORT const AdvApp2Var_Iso& IsoV (const Standard_Real U0, const Standard_Real U1, const Standard_Real V) const;
  
  Standard_EXPORT void UpdateInU (const Standard_Real CuttingValue);
  
  Standard_EXPORT void UpdateInV (const Standard_Real CuttingValue);
  
  Standard_EXPORT const Handle(TColStd_HArray1OfReal)& UEquation (const Standard_Integer IndexIso, const Standard_Integer IndexStrip) const;
  
  Standard_EXPORT const Handle(TColStd_HArray1OfReal)& VEquation (const Standard_Integer IndexIso, const Standard_Integer IndexStrip) const;

private:

  AdvApp2Var_SequenceOfNode myNodeConstraints;
  AdvApp2Var_SequenceOfStrip myUConstraints;
  AdvApp2Var_SequenceOfStrip myVConstraints;

};

#endif // _AdvApp2Var_Framework_HeaderFile
