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 // Created on: 1993-01-28
 // Created by: Laurent BUCHARD
 // Copyright (c) 1993-1999 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_PrmPrmIntersection_HeaderFile
 #define _IntPatch_PrmPrmIntersection_HeaderFile
 
 #include <Adaptor3d_Surface.hxx>
 #include <IntPatch_Line.hxx>
 #include <NCollection_Sequence.hxx>
 #include <IntSurf_PntOn2S.hxx>
 #include <NCollection_List.hxx>
 
 class Adaptor3d_TopolTool;
 class IntPatch_Polyhedron;
 class IntPatch_PrmPrmIntersection_T3Bits;
 class IntSurf_LineOn2S;
 
 //! Implementation of the Intersection between two bi-parametrised surfaces.
 //!
 //! To avoid multiple constructions of the approximated
 //! polyhedron of the surfaces, the algorithm can be
 //! called with the two surfaces and their associated polyhedron.
 class IntPatch_PrmPrmIntersection
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   //! Empty Constructor
   Standard_EXPORT IntPatch_PrmPrmIntersection();
 
   //! Performs the intersection between <Caro1> and
   //! <Caro2>. Associated Polyhedrons <Polyhedron1>
   //! and <Polyhedron2> are given.
   Standard_EXPORT void Perform(const occ::handle<Adaptor3d_Surface>&   Caro1,
                                const IntPatch_Polyhedron&              Polyhedron1,
                                const occ::handle<Adaptor3d_TopolTool>& Domain1,
                                const occ::handle<Adaptor3d_Surface>&   Caro2,
                                const IntPatch_Polyhedron&              Polyhedron2,
                                const occ::handle<Adaptor3d_TopolTool>& Domain2,
                                const double                            TolTangency,
                                const double                            Epsilon,
                                const double                            Deflection,
                                const double                            Increment);
 
   Standard_EXPORT void Perform(const occ::handle<Adaptor3d_Surface>&   Caro1,
                                const IntPatch_Polyhedron&              Polyhedron1,
                                const occ::handle<Adaptor3d_TopolTool>& Domain1,
                                const double                            TolTangency,
                                const double                            Epsilon,
                                const double                            Deflection,
                                const double                            Increment);
 
   //! Performs the intersection between <Caro1> and
   //! <Caro2>. The method computes the polyhedron on
   //! each surface.
   Standard_EXPORT void Perform(const occ::handle<Adaptor3d_Surface>&   Caro1,
                                const occ::handle<Adaptor3d_TopolTool>& Domain1,
                                const occ::handle<Adaptor3d_Surface>&   Caro2,
                                const occ::handle<Adaptor3d_TopolTool>& Domain2,
                                const double                            TolTangency,
                                const double                            Epsilon,
                                const double                            Deflection,
                                const double                            Increment,
                                const bool                              ClearFlag = true);
 
   //! Performs the intersection between <Caro1> and
   //! <Caro2>. The method computes the polyhedron on
   //! each surface.
   Standard_EXPORT void Perform(const occ::handle<Adaptor3d_Surface>&   Caro1,
                                const occ::handle<Adaptor3d_TopolTool>& Domain1,
                                const occ::handle<Adaptor3d_Surface>&   Caro2,
                                const occ::handle<Adaptor3d_TopolTool>& Domain2,
                                const double                            TolTangency,
                                const double                            Epsilon,
                                const double                            Deflection,
                                const double                            Increment,
                                NCollection_List<IntSurf_PntOn2S>&      ListOfPnts);
 
   //! Performs the intersection between <Caro1> and
   //! <Caro2>. The method computes the polyhedron on
   //! each surface.
   Standard_EXPORT void Perform(const occ::handle<Adaptor3d_Surface>&   Caro1,
                                const occ::handle<Adaptor3d_TopolTool>& Domain1,
                                const occ::handle<Adaptor3d_Surface>&   Caro2,
                                const occ::handle<Adaptor3d_TopolTool>& Domain2,
                                const double                            U1,
                                const double                            V1,
                                const double                            U2,
                                const double                            V2,
                                const double                            TolTangency,
                                const double                            Epsilon,
                                const double                            Deflection,
                                const double                            Increment);
 
   //! Performs the intersection between <Caro1> and
   //! <Caro2>. The method computes the polyhedron on
   //! each surface.
   Standard_EXPORT void Perform(const occ::handle<Adaptor3d_Surface>&   Caro1,
                                const occ::handle<Adaptor3d_TopolTool>& Domain1,
                                const double                            TolTangency,
                                const double                            Epsilon,
                                const double                            Deflection,
                                const double                            Increment);
 
   //! Performs the intersection between <Caro1> and
   //! <Caro2>.
   //!
   //! The polyhedron which approximates <Caro2>,
   //! <Polyhedron2> is given. The other one is
   //! computed.
   Standard_EXPORT void Perform(const occ::handle<Adaptor3d_Surface>&   Caro1,
                                const occ::handle<Adaptor3d_TopolTool>& Domain1,
                                const occ::handle<Adaptor3d_Surface>&   Caro2,
                                const IntPatch_Polyhedron&              Polyhedron2,
                                const occ::handle<Adaptor3d_TopolTool>& Domain2,
                                const double                            TolTangency,
                                const double                            Epsilon,
                                const double                            Deflection,
                                const double                            Increment);
 
   //! Performs the intersection between <Caro1> and
   //! <Caro2>.
   //!
   //! The polyhedron which approximates <Caro1>,
   //! <Polyhedron1> is given. The other one is
   //! computed.
   Standard_EXPORT void Perform(const occ::handle<Adaptor3d_Surface>&   Caro1,
                                const IntPatch_Polyhedron&              Polyhedron1,
                                const occ::handle<Adaptor3d_TopolTool>& Domain1,
                                const occ::handle<Adaptor3d_Surface>&   Caro2,
                                const occ::handle<Adaptor3d_TopolTool>& Domain2,
                                const double                            TolTangency,
                                const double                            Epsilon,
                                const double                            Deflection,
                                const double                            Increment);
 
   //! Returns true if the calculus was successful.
   bool IsDone() const;
 
   //! Returns true if the is no intersection.
   bool IsEmpty() const;
 
   //! Returns the number of intersection lines.
   int NbLines() const;
 
   //! Returns the line of range Index.
   //! An exception is raised if Index<=0 or Index>NbLine.
   const occ::handle<IntPatch_Line>& Line(const int Index) const;
 
   //! Computes about <NbPoints> Intersection Points on
   //! the Line <IndexLine> between the Points of Index
   //! <LowPoint> and <HighPoint>.
   //!
   //! All the points of the line of index <IndexLine>
   //! with an index between <LowPoint> and <HighPoint>
   //! are in the returned line. New Points are inserted
   //! between existing points if those points are not
   //! too closed.
   //!
   //! An exception is raised if Index<=0 or Index>NbLine.
   //! or if IsDone returns False
   Standard_EXPORT occ::handle<IntPatch_Line> NewLine(const occ::handle<Adaptor3d_Surface>& Caro1,
                                                      const occ::handle<Adaptor3d_Surface>& Caro2,
                                                      const int IndexLine,
                                                      const int LowPoint,
                                                      const int HighPoint,
                                                      const int NbPoints) const;
 
   int GrilleInteger(const int ix, const int iy, const int iz) const;
 
   void IntegerGrille(const int t, int& ix, int& iy, int& iz) const;
 
   int DansGrille(const int t) const;
 
   int NbPointsGrille() const;
 
   Standard_EXPORT void RemplitLin(const int                           x1,
                                   const int                           y1,
                                   const int                           z1,
                                   const int                           x2,
                                   const int                           y2,
                                   const int                           z2,
                                   IntPatch_PrmPrmIntersection_T3Bits& Map) const;
 
   Standard_EXPORT void RemplitTri(const int                           x1,
                                   const int                           y1,
                                   const int                           z1,
                                   const int                           x2,
                                   const int                           y2,
                                   const int                           z2,
                                   const int                           x3,
                                   const int                           y3,
                                   const int                           z3,
                                   IntPatch_PrmPrmIntersection_T3Bits& Map) const;
 
   Standard_EXPORT void Remplit(const int                           a,
                                const int                           b,
                                const int                           c,
                                IntPatch_PrmPrmIntersection_T3Bits& Map) const;
 
   int CodeReject(const double x1,
                  const double y1,
                  const double z1,
                  const double x2,
                  const double y2,
                  const double z2,
                  const double x3,
                  const double y3,
                  const double z3) const;
 
   Standard_EXPORT void PointDepart(occ::handle<IntSurf_LineOn2S>&        LineOn2S,
                                    const occ::handle<Adaptor3d_Surface>& S1,
                                    const int                             SU1,
                                    const int                             SV1,
                                    const occ::handle<Adaptor3d_Surface>& S2,
                                    const int                             SU2,
                                    const int                             SV2) const;
 
 private:
   bool                                             done;
   bool                                             empt;
   NCollection_Sequence<occ::handle<IntPatch_Line>> SLin;
 };
 
 #include <IntPatch_PrmPrmIntersection.lxx>
 
 #endif // _IntPatch_PrmPrmIntersection_HeaderFile

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