-- File:      TopOpeBRep_LineInter.cdl
-- Created:   Wed Nov 10 17:20:37 1993
-- Author:    Jean Yves LEBEY
---Copyright: Matra Datavision 1993

class LineInter from TopOpeBRep

uses

    Line from IntPatch,
    TypeLineCurve from TopOpeBRep,
    ALine from IntPatch,
    RLine from IntPatch,
    WLine from IntPatch,
    GLine from IntPatch,
    VPointInter from TopOpeBRep,
    HArray1OfVPointInter from TopOpeBRep, 
    WPointInter from TopOpeBRep,
    Bipoint from TopOpeBRep,
    Transition from TopOpeBRepDS,
    Curve from Geom,
    Surface from BRepAdaptor,
    Face from TopoDS,
    TypeTrans from IntSurf, 
    Situation from IntSurf, 
    Shape from TopoDS,
    AsciiString from TCollection
    
is

    Create returns LineInter from TopOpeBRep;
    ---C++: inline
    
    SetLine(me:in out; 
    	    L : Line from IntPatch; 
    	    S1,S2:Surface from BRepAdaptor)
    is static;
 
    SetFaces(me:in out;F1,F2:Face from TopoDS);
    ---C++: inline

    TypeLineCurve(me) returns TypeLineCurve from TopOpeBRep 
    ---C++: inline
    is static; 

    NbVPoint(me) returns Integer 
    ---C++: inline
    is static;
	
    VPoint(me; I : Integer) returns VPointInter from TopOpeBRep 
    ---C++: return const &
    is static;
 
    ChangeVPoint(me:in out; I : Integer) 
    returns VPointInter from TopOpeBRep 
    ---C++: return &
    is static;

    SetINL(me : in out); -- Is Null Length
    INL(me) returns Boolean;
    ---C++: inline

    SetIsVClosed(me : in out);
    IsVClosed(me) returns Boolean;
    ---C++: inline

    SetOK(me : in out; B : Boolean);
    OK(me) returns Boolean;
    ---C++: inline

    SetHasVPonR(me : in out)
    is static;

    HasVPonR(me) returns Boolean  
    ---C++: inline
    is static;

    SetVPBounds(me : in out)
    is static;

    VPBounds(me; f,l,n : out Integer)
    is static;

    IsPeriodic(me) returns Boolean  
    is static;
    
    Period(me) returns Real  
    is static;
    
    Bounds(me; f,l : out Real)
    is static;
    
    HasVInternal(me : in out) returns Boolean 
    is static;
    
    NbWPoint(me) returns Integer 
    is static;
	
    WPoint(me : in out; I : Integer) returns WPointInter from TopOpeBRep
    ---C++: return const &
     is static;

    TransitionOnS1(me) returns TypeTrans from IntSurf -- NYI const&
    ---C++: inline
    is static;

    TransitionOnS2(me) returns TypeTrans from IntSurf -- NYI const&
    ---C++: inline
    is static;

    SituationS1(me) returns Situation from IntSurf 
    ---C++: inline
    is static; 

    SituationS2(me) returns Situation from IntSurf 
    ---C++: inline
    is static; 

    Curve(me) returns Curve from Geom 
    is static;

    Curve(me; parmin,parmax : Real) returns Curve from Geom 
    is static;
    
    Arc(me) returns Shape from TopoDS;
    ---Purpose: returns the edge of a RESTRICTION line (or a null edge).
    ---C++: return const &
    
    ArcIsEdge(me; I : Integer) returns Boolean;
    ---Purpose: returns true if Arc() edge (of a RESTRICTION line) is
    --          an edge of the original face <Index> (1 or 2).

    LineW(me) returns WLine from IntPatch;
    ---C++: return const &
    ---C++: inline

    LineG(me) returns GLine from IntPatch;
    ---C++: return const &
    ---C++: inline

    LineR(me) returns RLine from IntPatch;
    ---C++: return const &
    ---C++: inline

    HasFirstPoint(me) returns Boolean;

    HasLastPoint(me) returns Boolean;

    ComputeFaceFaceTransition(me:in out);

    FaceFaceTransition(me;I:Integer) returns Transition from TopOpeBRepDS;
    -- transition from face I(1,2) through me with face (2,1) 
    ---C++: return const &

    Index(me : in out; I : Integer from Standard) is static; -- debug
    ---C++: inline
    Index(me) returns Integer from Standard is static; -- debug
    ---C++: inline
    DumpType(me) is static; -- debug
    DumpVPoint(me; I : Integer;
   	    	   s1,s2 : AsciiString from TCollection) is static; -- debug
    DumpBipoint(me; B : Bipoint from TopOpeBRep;
   	    	    s1,s2 : AsciiString from TCollection) is static; -- debug

    SetTraceIndex(me:in out; exF1,exF2 : Integer) is static;    
    GetTraceIndex(me; exF1,exF2 : out Integer) is static;    
    -- <exf1,exf2> TopExp_Explorer exploration index of faces
    -- involved in current line. (trace)

    DumpLineTransitions(me; OS : in out OStream) returns OStream is static;
    ---C++: return &

fields

    myOK : Boolean;
    myIndex : Integer; 
    myNbVPoint : Integer;
    myIsVClosed : Boolean;
    myHasVPonR : Boolean;
    myINL : Boolean;
    myVPBDefined : Boolean;
    myVPF : Integer;
    myVPL : Integer;
    myVPN : Integer;
    myTypeLineCurve : TypeLineCurve from TopOpeBRep;
    myIL : Line from IntPatch;
    myILA : ALine from IntPatch;    
    myILR : RLine from IntPatch;    
    myILW : WLine from IntPatch;    
    myILG : GLine from IntPatch;    
    myCurrentWP : WPointInter from TopOpeBRep; 
    myHAVP : HArray1OfVPointInter from TopOpeBRep;
    myF1 : Face from TopoDS;
    myF2 : Face from TopoDS;
    myLineTonF1 : Transition from TopOpeBRepDS;
    myLineTonF2 : Transition from TopOpeBRepDS;
    myNullShape : Shape from TopoDS; --dummy
    
    -- trace
    myexF1,myexF2 : Integer;

end LineInter from TopOpeBRep;