// File:	IntPatch_ALine.lxx
// Created:	Mon Apr  6 11:17:45 1992
// Author:	Jacques GOUSSARD
// Copyright:	OPEN CASCADE 1992

#include <Standard_DomainError.hxx>
#include <Precision.hxx>
#include <IntPatch_Point.hxx>


inline void IntPatch_ALine::Replace (const Standard_Integer Index, const IntPatch_Point& Pnt)
{
  svtx(Index) = Pnt;
}

inline void IntPatch_ALine::SetFirstPoint (const Standard_Integer IndFirst)
{
  fipt = Standard_True;
  indf = IndFirst;
}

inline void IntPatch_ALine::SetLastPoint (const Standard_Integer IndLast)
{
  lapt = Standard_True;
  indl = IndLast;
}

inline Standard_Real IntPatch_ALine::FirstParameter (Standard_Boolean& IsIncluded) const
{
  Standard_Real bid,first;
  curv.Domain(first,bid);
  IsIncluded = !curv.IsFirstOpen();
  return first;
}

inline Standard_Real IntPatch_ALine::LastParameter (Standard_Boolean& IsIncluded) const
{
  Standard_Real bid,last;
  curv.Domain(bid,last);
  IsIncluded = !curv.IsLastOpen();
  return last;
}

inline gp_Pnt IntPatch_ALine::Value (const Standard_Real U)
{
  return curv.Value(U);// Value leve l exception DomainError
}

inline Standard_Boolean IntPatch_ALine::D1(const Standard_Real U, gp_Pnt& P, gp_Vec& Du)
{
  return curv.D1u(U,P,Du); // D1u leve l exception DomainError
}

inline Standard_Boolean IntPatch_ALine::FindParameter(const gp_Pnt& P, Standard_Real& Para) const
{
  return curv.FindParameter(P,Para);
}

inline Standard_Boolean IntPatch_ALine::HasFirstPoint () const
{
  return fipt;
}

inline Standard_Boolean IntPatch_ALine::HasLastPoint () const
{
  return lapt;
}

inline const IntPatch_Point& IntPatch_ALine::FirstPoint () const
{
  if (!fipt) {Standard_DomainError::Raise();}
  return svtx(indf);
}

inline const IntPatch_Point& IntPatch_ALine::LastPoint () const
{
  if (!lapt) {Standard_DomainError::Raise();}
  return svtx(indl);
}

inline Standard_Integer IntPatch_ALine::NbVertex () const
{
  return svtx.Length();
}

inline const IntPatch_Point& IntPatch_ALine::Vertex (const Standard_Integer Index) const
{
  return svtx(Index);
}