-- File:	ProjLib_Projector.cdl
-- Created:	Wed Aug 11 17:34:28 1993
-- Author:	Remi LEQUETTE
--		<rle@phylox>
---Copyright:	 Matra Datavision 1993



class Projector from ProjLib 

	---Purpose: Root class for projection algorithms, stores the result.

uses
    CurveType  	   from GeomAbs,
    Lin        	   from gp,
    Circ       	   from gp,
    Elips      	   from gp,
    Parab      	   from gp,
    Hypr       	   from gp,
    Lin2d      	   from gp,
    Circ2d         from gp,
    Elips2d        from gp,
    Parab2d        from gp,
    Hypr2d         from gp,
    BezierCurve    from Geom2d,
    BSplineCurve   from Geom2d

raises
    NoSuchObject   from Standard,
    NotImplemented from Standard

is

     Create ;
	---Purpose: Sets the type to OtherCurve
	
     Delete(me:out) is virtual;
     ---C++: alias "Standard_EXPORT virtual ~ProjLib_Projector(){Delete() ; }"
    
     IsDone(me) returns Boolean from Standard
     is static;
     
     Done(me : in out) 
	---Purpose: Set isDone = Standard_True;
     is static;
     
     GetType(me) returns CurveType from GeomAbs
     is static;
     
     SetBSpline(me : in out; C : BSplineCurve from Geom2d)
     is static;
     
     SetBezier(me : in out; C : BezierCurve from Geom2d)
     is static;
     
     SetType(me : in out; Type : CurveType from GeomAbs)
     is static;
    
     IsPeriodic(me) 
     returns Boolean from Standard
     is static;
     
     SetPeriodic(me: in out)
     is static;
    
     Line(me) returns Lin2d from gp
	---C++: return const &
     raises 
    	NoSuchObject from Standard
     is static;
     
     Circle(me) returns Circ2d from gp
	---C++: return const &
     raises 
    	NoSuchObject from Standard
     is static;
     
     Ellipse(me) returns Elips2d from gp
	---C++: return const &
     raises 
    	NoSuchObject from Standard
     is static;
     
     Hyperbola(me) returns  Hypr2d from gp
	---C++: return const &
     raises 
    	NoSuchObject from Standard
     is static;
     
     Parabola(me) returns Parab2d from gp
	---C++: return const &
     raises 
    	NoSuchObject from Standard
     is static;
     
     Bezier(me) returns BezierCurve  from Geom2d
     raises 
    	NoSuchObject from Standard
     is static;
     
     
     BSpline(me) returns BSplineCurve from Geom2d
     raises
     	NoSuchObject from Standard
     is static;

     Project(me : in out;
     	     L  : Lin from gp)
     is virtual;
 
     Project(me : in out;
     	     C  : Circ from gp)
     is virtual;
 
     Project(me : in out;
     	     E  : Elips from gp)
     is virtual;
 
     Project(me : in out;
     	     P  : Parab from gp)
     is virtual;
 
     Project(me : in out;
     	     H  : Hypr from gp)
     is virtual;
	     
     UFrame(me : in out;
     	    CFirst, CLast  : Real from Standard; -- Bounds of the curve
	    UFirst, Period : Real from Standard) -- UBounds of the surface 
	    
	---Purpose: Translates the 2d curve 
	--          to set the part of the curve [CFirst, CLast]
	--          in the range [ UFirst, UFirst + Period [
     is static;

     VFrame(me : in out;
     	    CFirst, CLast  : Real from Standard; -- Bounds of the curve
	    VFirst, Period : Real from Standard) -- VBounds of the surface 
	    
	---Purpose: Translates the 2d curve 
	--          to set the part of the curve [CFirst, CLast]
	--          in the range [ VFirst, VFirst + Period [
     is static;


fields

    myType       : CurveType    from GeomAbs  is protected;
    myLin        : Lin2d        from gp       is protected;
    myCirc       : Circ2d       from gp       is protected;
    myElips      : Elips2d      from gp       is protected;
    myHypr       : Hypr2d       from gp       is protected;
    myParab      : Parab2d      from gp       is protected;
    myBSpline    : BSplineCurve from Geom2d   is protected;
    myBezier     : BezierCurve  from Geom2d   is protected;
    myIsPeriodic : Boolean      from Standard is protected;
    isDone       : Boolean      from Standard is protected;

end Projector;