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 // Created on: 1992-04-06
 // Created by: Jacques GOUSSARD
 // Copyright (c) 1992-1999 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 _IntPatch_RLine_HeaderFile
 #define _IntPatch_RLine_HeaderFile
 
 #include <Standard.hxx>
 
 #include <Standard_Real.hxx>
 #include <Standard_Integer.hxx>
 #include <IntPatch_SequenceOfPoint.hxx>
 #include <IntPatch_PointLine.hxx>
 #include <IntSurf_LineOn2S.hxx>
 #include <IntSurf_Situation.hxx>
 #include <IntSurf_TypeTrans.hxx>
 
 class IntPatch_Point;
 class IntSurf_PntOn2S;
 
 
 class IntPatch_RLine;
 DEFINE_STANDARD_HANDLE(IntPatch_RLine, IntPatch_PointLine)
 
 //! Implementation of an intersection line described by a
 //! restriction line on one of the surfaces.
 class IntPatch_RLine : public IntPatch_PointLine
 {
 
 public:
 
   
   //! Creates a restriction as an intersection line
   //! when the transitions are In or Out.
   Standard_EXPORT IntPatch_RLine(const Standard_Boolean Tang, const IntSurf_TypeTrans Trans1, const IntSurf_TypeTrans Trans2);
   
   //! Creates a restriction as an intersection line
   //! when the transitions are Touch.
   Standard_EXPORT IntPatch_RLine(const Standard_Boolean Tang, const IntSurf_Situation Situ1, const IntSurf_Situation Situ2);
   
   //! Creates a restriction as an intersection line
   //! when the transitions are Undecided.
   Standard_EXPORT IntPatch_RLine(const Standard_Boolean Tang);
   
   //! Adds a vertex in the list. If theIsPrepend == TRUE the new
   //! vertex will be added before the first element of vertices sequence.
   //! Otherwise, to the end of the sequence
   virtual void AddVertex (const IntPatch_Point& Pnt,
                     const Standard_Boolean theIsPrepend = Standard_False) Standard_OVERRIDE;
   
   //! Replaces the element of range Index in the list
   //! of points.
     void Replace (const Standard_Integer Index, const IntPatch_Point& Pnt);
   
     void SetFirstPoint (const Standard_Integer IndFirst);
   
     void SetLastPoint (const Standard_Integer IndLast);
   
     void Add (const Handle(IntSurf_LineOn2S)& L);
   
   //! Returns True if the intersection is on the domain of the
   //! first patch.
   //! Returns False if the intersection is on the domain of
   //! the second patch.
     Standard_Boolean IsArcOnS1() const;
   
   //! Returns True if the intersection is on the domain of the
   //! first patch.
   //! Returns False if the intersection is on the domain of
   //! the second patch.
     Standard_Boolean IsArcOnS2() const;
   
   Standard_EXPORT void SetArcOnS1 (const Handle(Adaptor2d_Curve2d)& A);
   
   Standard_EXPORT void SetArcOnS2 (const Handle(Adaptor2d_Curve2d)& A);
   
   Standard_EXPORT void SetParamOnS1 (const Standard_Real p1, const Standard_Real p2);
   
   Standard_EXPORT void SetParamOnS2 (Standard_Real& p1, Standard_Real& p2);
   
   //! Returns the concerned arc.
     const Handle(Adaptor2d_Curve2d)& ArcOnS1() const;
   
   //! Returns the concerned arc.
     const Handle(Adaptor2d_Curve2d)& ArcOnS2() const;
   
   Standard_EXPORT void ParamOnS1 (Standard_Real& p1, Standard_Real& p2) const;
   
   Standard_EXPORT void ParamOnS2 (Standard_Real& p1, Standard_Real& p2) const;
   
   //! Returns True if the line has a known First point.
   //! This point is given by the method FirstPoint().
     Standard_Boolean HasFirstPoint() const;
   
   //! Returns True if the line has a known Last point.
   //! This point is given by the method LastPoint().
     Standard_Boolean HasLastPoint() const;
   
   //! Returns the IntPoint corresponding to the FirstPoint.
   //! An exception is raised when HasFirstPoint returns False.
     const IntPatch_Point& FirstPoint() const;
   
   //! Returns the IntPoint corresponding to the LastPoint.
   //! An exception is raised when HasLastPoint returns False.
     const IntPatch_Point& LastPoint() const;
   
   //! Returns number of vertices (IntPatch_Point) of the line
   virtual Standard_Integer NbVertex() const Standard_OVERRIDE;
   
   //! Returns the vertex of range Index on the line.
   virtual const IntPatch_Point& Vertex (const Standard_Integer Index) const Standard_OVERRIDE;
 
   //! Returns the vertex of range Index on the line.
   virtual IntPatch_Point& ChangeVertex (const Standard_Integer Index) Standard_OVERRIDE;
   
   //! Removes single vertex from the line
   virtual void RemoveVertex (const Standard_Integer theIndex) Standard_OVERRIDE;
 
     Standard_Boolean HasPolygon() const;
   
   //! Returns the number of intersection points.
   virtual Standard_Integer NbPnts() const Standard_OVERRIDE;
   
   //! Returns the intersection point of range Index.
   virtual const IntSurf_PntOn2S& Point (const Standard_Integer Index) const Standard_OVERRIDE;
   
   //! Set the Point of index <Index> in the LineOn2S
   Standard_EXPORT void SetPoint (const Standard_Integer Index, const IntPatch_Point& Pnt);
   
   //! Set the parameters of all the vertex on the line.
   //! if a vertex is already in the line,
   //! its parameter is modified
   //! else a new point in the line is inserted.
   Standard_EXPORT void ComputeVertexParameters (const Standard_Real Tol);
 
   //! Returns set of intersection points
   virtual Handle(IntSurf_LineOn2S) Curve() const Standard_OVERRIDE;
 
   //! Returns TRUE if theP is out of the box built from
   //! the points on 1st surface
   virtual Standard_Boolean IsOutSurf1Box(const gp_Pnt2d& theP) const Standard_OVERRIDE
   {
     return curv->IsOutSurf1Box(theP);
   }
 
   //! Returns TRUE if theP is out of the box built from
   //! the points on 2nd surface
   virtual Standard_Boolean IsOutSurf2Box(const gp_Pnt2d& theP) const Standard_OVERRIDE
   {
     return curv->IsOutSurf2Box(theP);
   }
 
   //! Returns TRUE if theP is out of the box built from 3D-points.
   virtual Standard_Boolean IsOutBox(const gp_Pnt& theP) const Standard_OVERRIDE
   {
     return curv->IsOutBox(theP);
   }
 
   //! Removes vertices from the line (i.e. cleans svtx member)
   virtual void ClearVertexes() Standard_OVERRIDE
   {
     svtx.Clear();
   }
 
   void SetCurve(const Handle(IntSurf_LineOn2S)& theNewCurve)
   {
     curv = theNewCurve;
   }
 
   //! if (theMode == 0) then prints the information about WLine
   //! if (theMode == 1) then prints the list of 3d-points
   //! if (theMode == 2) then prints the list of 2d-points on the 1st surface
   //! Otherwise,             prints list of 2d-points on the 2nd surface
   Standard_EXPORT void Dump(const Standard_Integer theMode) const;
 
   DEFINE_STANDARD_RTTIEXT(IntPatch_RLine,IntPatch_PointLine)
 
 protected:
 
 
 
 
 private:
 
 
   Handle(Adaptor2d_Curve2d) theArcOnS1;
   Handle(Adaptor2d_Curve2d) theArcOnS2;
   Standard_Boolean onS1;
   Standard_Boolean onS2;
   Standard_Real ParamInf1;
   Standard_Real ParamSup1;
   Standard_Real ParamInf2;
   Standard_Real ParamSup2;
   Handle(IntSurf_LineOn2S) curv;
   Standard_Boolean fipt;
   Standard_Boolean lapt;
   Standard_Integer indf;
   Standard_Integer indl;
   IntPatch_SequenceOfPoint svtx;
 
 
 };
 
 
 #include <IntPatch_RLine.lxx>
 
 
 
 
 
 #endif // _IntPatch_RLine_HeaderFile

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