-- File:	TopoDSToStep_WireframeBuilder.cdl
-- Created:	Fri Mar 17 11:15:25 1995
-- Author:	Dieter THIEMANN
--		<dth@cinox>
---Copyright:	 Matra Datavision 1995


class WireframeBuilder from TopoDSToStep
    inherits Root from TopoDSToStep

    ---Purpose: This builder Class provides services to build
    --          a ProSTEP Wireframemodel from a Cas.Cad BRep.                 

uses

    FinderProcess           from Transfer,
    Edge                    from TopoDS,
    Face                    from TopoDS,
    Shape                   from TopoDS,
    Tool                    from TopoDSToStep,
    BuilderError            from TopoDSToStep,
    HSequenceOfTransient    from TColStd,
    DataMapOfShapeTransient from MoniTool

raises NotDone from StdFail 
    
is 

--  -----------------------------------------------------------
--  Constructor
--  -----------------------------------------------------------

    Create returns WireframeBuilder from TopoDSToStep;
    
    Create(S  : Shape from TopoDS;
    	   T  : in out Tool from TopoDSToStep;
	   FP : mutable FinderProcess from Transfer)
    	returns WireframeBuilder from TopoDSToStep;
    
    Init(me : in out;
    	 S  : Shape from TopoDS;
    	 T  : in out Tool from TopoDSToStep;
	 FP : mutable FinderProcess from Transfer);
    
--  -----------------------------------------------------------    
--  Get the Result
--  -----------------------------------------------------------

    Error(me) returns BuilderError from TopoDSToStep;
    
    Value (me) returns HSequenceOfTransient from TColStd
    	raises NotDone
    	is static;
    	---C++: return const &

    -- Working methods (moved from TopoDSToGBWire)

    GetTrimmedCurveFromEdge (me; E: Edge from TopoDS;
    			         F: Face from TopoDS;
		    	         M: in out DataMapOfShapeTransient from MoniTool;
    	    	    	         L: in out HSequenceOfTransient from TColStd)
     	            	         returns Boolean from Standard;
    --- Purpose: Extraction of Trimmed Curves from TopoDS_Edge for the 
    --  Creation of a GeometricallyBoundedWireframeRepresentation

    GetTrimmedCurveFromFace (me; F: Face from TopoDS;
		    	         M: in out DataMapOfShapeTransient from MoniTool;
    	    	    	         L: in out HSequenceOfTransient from TColStd)
     	            	         returns Boolean from Standard;
    --- Purpose: Extraction of Trimmed Curves from TopoDS_Face for the 
    --  Creation of a GeometricallyBoundedWireframeRepresentation

    GetTrimmedCurveFromShape (me; S: Shape from TopoDS;
		    	          M: in out DataMapOfShapeTransient from MoniTool;
    	    	    	          L: in out HSequenceOfTransient from TColStd)
     	            	          returns Boolean from Standard;
    --- Purpose: Extraction of Trimmed Curves from any TopoDS_Shape for the 
    --  Creation of a GeometricallyBoundedWireframeRepresentation
    
fields

    myResult : HSequenceOfTransient from TColStd;
    
    myError  : BuilderError         from TopoDSToStep;

end WireframeBuilder;