-- File:	ShapeUpgrade_ConvertCurve3dToBezier.cdl
-- Created:	Thu May 13 14:02:24 1999
-- Author:	data exchange team
--		<det@friendox.nnov.matra-dtv.fr>
---Copyright:	 Matra Datavision 1999

class ConvertCurve3dToBezier from ShapeUpgrade inherits SplitCurve3d from ShapeUpgrade

    ---Purpose: converts/splits a 3d curve of any type to a list of beziers

uses

    HSequenceOfCurve from TColGeom,
    HSequenceOfReal from TColStd

is

    Create returns ConvertCurve3dToBezier from ShapeUpgrade;
    	---Purpose: Empty constructor
    
    SetLineMode(me:mutable; mode: Boolean);
    	---Purpose: Sets mode for conversion Geom_Line to bezier.
    	---C++: inline
    
    GetLineMode(me) returns Boolean;
    	---Purpose: Returns the Geom_Line conversion mode.
    	---C++: inline
    
    SetCircleMode(me:mutable; mode: Boolean);
    	---Purpose: Sets mode for conversion Geom_Circle to bezier.
    	---C++: inline
    
    GetCircleMode(me) returns Boolean;
    	---Purpose: Returns the Geom_Circle conversion mode.
    	---C++: inline
    
    SetConicMode(me:mutable; mode: Boolean);
    	---Purpose: Returns the Geom_Conic conversion mode.
    	---C++: inline
    
    GetConicMode(me) returns Boolean;
    	---Purpose: Performs converting and computes the resulting shape.
    	---C++: inline
    
    Compute(me: mutable) is redefined;
    	---Purpose: Converts curve into a list of beziers, and stores the 
    	--          splitting parameters on original curve.
    
    Build (me: mutable; Segment: Boolean) is redefined;
    	---Purpose: Splits a list of beziers computed by Compute method according
	--          the split values and splitting parameters.
    
    Segments(me) returns HSequenceOfCurve from TColGeom is private;
    	---Purpose: Returns the list of bezier curves correspondent to original
	--          curve.
    
    SplitParams(me) returns HSequenceOfReal from TColStd;
    	---Purpose: Returns the list of splitted parameters in original curve
	--          parametrisation.
    
fields

   mySegments   : HSequenceOfCurve from TColGeom;
   mySplitParams: HSequenceOfReal from TColStd;
   myLineMode   : Boolean;
   myCircleMode : Boolean;
   myConicMode  : Boolean;
    
end ConvertCurve2dToBezier;