-- Created on: 1993-02-05
-- Created by: Jacques GOUSSARD
-- 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.

class Line from Contap

	---Purpose: 

uses Pnt            from gp,
     LineOn2S       from IntSurf,
     PntOn2S        from IntSurf,
     TypeTrans      from IntSurf,
     Lin            from gp,
     Circ           from gp,
     Dir            from gp,
     IType          from Contap, -- duplique IntPatch_IType. Mettre ds  IntSurf
     HVertex        from Adaptor3d,
     HCurve2d       from Adaptor2d,
     Point          from Contap,
     TheHSequenceOfPoint from Contap

raises DomainError from Standard,
       OutOfRange  from Standard

is

    Create

       	returns Line from Contap;

	
    SetLineOn2S(me: in out; L: LineOn2S from IntSurf)
    
        is static;
	
    Clear(me: in out)
    
    	is static;

    LineOn2S(me)
    
    	returns LineOn2S from IntSurf
	---C++: inline
	---C++: return const&
	is static;

    ResetSeqOfVertex(me: in out)
    
	is static;    

    Add(me: in out; P: PntOn2S from IntSurf)
    
	---C++: inline
    	is static;

    SetValue(me: in out; L: Lin from gp)
    
    	is static;


    SetValue(me: in out; C: Circ from gp)
    
    	is static;


    SetValue(me: in out; A: HCurve2d from Adaptor2d)
    
    	is static;


    Add(me: in out; P: Point from Contap)
    
    	is static;


    NbVertex(me)
    
    	returns Integer from Standard
	---C++: inline
	
	is static;


    Vertex(me; Index: Integer from Standard)
    
    	returns Point from Contap
	---C++: return &
	---C++: inline

	raises OutOfRange from Standard
	
	is static;


    TypeContour(me)
    
	---Purpose: Returns Contap_Lin for a line, Contap_Circle for
	--          a circle, and Contap_Walking for a Walking line,
	--          Contap_Restriction for a part of  boundarie.
    
    	returns IType from Contap
	---C++: inline
	
	is static;


    NbPnts(me)
    
    	returns Integer from Standard
	---C++: inline
	
	raises DomainError from Standard
	-- The exception DomainError is raised if TypeContour does not return
	-- Contap_Walking.
	
	is static;


    Point(me; Index: Integer from Standard)
    
    	returns PntOn2S from IntSurf
	---C++: return const&
	---C++: inline
	
	raises DomainError from Standard,
	       OutOfRange  from Standard
	-- The exception DomainError is raised if TypeContour does not return
	-- Contap_Walking.
	-- The exception OutOfRange is raised if Index<=0 or Index>NbPoints.
	
	is static;


    Line(me)
    
    	returns Lin from gp
	---C++: inline
	
	raises DomainError from Standard
	-- The exception DomainError is raised if TypeContour does not return
	-- Contap_Lin.
	
	is static;


    Circle(me)
    
    	returns Circ from gp
	---C++: inline
	
	raises DomainError from Standard
	-- The exception DomainError is raised if TypeContour does not return
	-- Contap_Circle.
	
	is static;



    Arc(me)
    
    	returns any HCurve2d from Adaptor2d
	---C++: return const&
	
	raises DomainError from Standard
	-- The exception DomainError is raised if TypeContour does not return
	-- Contap_Restriction.
	
	is static;


    SetTransitionOnS(me: in out; T: TypeTrans from IntSurf) 
    
    	---Purpose: Set The Tansition of the line.
    	--          
	is static;
	
	
	
    TransitionOnS(me) 
    
    	---Purpose: returns IN if at the "left" of the line, the normale of the 
    	--          surface is oriented to the observator.  
    	
    
    	returns TypeTrans from IntSurf
	is static;


fields

    Trans   : TypeTrans            from IntSurf;
    curv    : LineOn2S             from IntSurf;
    svtx    : TheHSequenceOfPoint  from Contap;
    thearc  : HCurve2d             from Adaptor2d;
    typL    : IType                from Contap;
    pt      : Pnt                  from gp;
    dir1    : Dir                  from gp;
    dir2    : Dir                  from gp;
    rad     : Real                 from Standard;

end Line;