-- File:	BRepOffset_Analyse.cdl
-- Created:	Fri Oct 20 16:40:49 1995
-- Author:	Yves FRICAUD
--		<yfr@stylox>
---Copyright:	 Matra Datavision 1995


class Analyse from BRepOffset 

	---Purpose: Analyse of a shape consit to
	--          Find the part of edges convex concave tangent.

uses

    Shape                            from TopoDS,
    Face                             from TopoDS,
    Edge                             from TopoDS,
    Vertex                           from TopoDS,
    Compound                         from TopoDS,
    IndexedDataMapOfShapeListOfShape from TopTools,
    ListOfShape                      from TopTools,
    MapOfShape                       from TopTools,
    Interval                         from BRepOffset,
    ListOfInterval                   from BRepOffset,
    DataMapOfShapeListOfInterval     from BRepOffset,
    Type                             from BRepOffset
    
is
    Create;
    
    Create (S         : Shape  from TopoDS  ;
    	    Angle     : Real   from Standard) 
    returns Analyse from BRepOffset;
    
    Perform (me        : in out ;
    	     S         : Shape  from TopoDS  ;
    	     Angle     : Real   from Standard)   
    is static;
	    
    IsDone (me) 
    returns Boolean from Standard
    is static;

    Clear(me : in out)
    is static;

    Type (me; E : Edge from TopoDS) 
	---C++: return const&
    returns  ListOfInterval from BRepOffset
    is static;
    
    Edges (me; 
           V :        Vertex      from TopoDS; 
           T :        Type        from BRepOffset;
           L : in out ListOfShape from TopTools)
	---Purpose: Stores in <L> all the edges of Type <T>
	--          on the vertex <V>.
    is static;
    
    Edges (me; 
           F :        Face        from TopoDS; 
           T :        Type        from BRepOffset;
           L : in out ListOfShape from TopTools)
	---Purpose: Stores in <L> all the edges of Type <T>
	--          on the face <F>.
    is static;

    TangentEdges(me;
    	         Edge   :        Edge        from TopoDS;
		 Vertex :        Vertex      from TopoDS;
		 Edges  : in out ListOfShape from TopTools)
    	---Purpose: set in <Edges> all  the Edges of <Shape> which are
    	--          tangent to <Edge> at the vertex <Vertex>.
    is static;		    		 

    HasAncestor (me ; S : Shape from TopoDS)
    returns Boolean from Standard
    is static;
    
    Ancestors (me ; S : Shape from TopoDS)
    ---C++: return const &
    returns ListOfShape from TopTools
    is static;
    
    Explode (me;
    	     L    : in out ListOfShape from TopTools;
    	     Type : in     Type        from BRepOffset) 
	---Purpose: Explode in compounds of faces where
	--          all the connex edges are of type <Side>
    is static;

    Explode (me;
    	     L     : in out ListOfShape from TopTools;
    	     Type1 : in     Type        from BRepOffset; 
	     Type2 : in     Type        from BRepOffset) 
	---Purpose: Explode in compounds of faces where
	--          all the connex edges are of type <Side1> or <Side2>
    is static;

    AddFaces(me;
    	     Face :        Face       from TopoDS;
	     Co   : in out Compound   from TopoDS;
	     Map  : in out MapOfShape from TopTools;
	     Type : in     Type       from BRepOffset) 
	---Purpose: Add in <CO> the faces of the shell containing <Face>
	--          where all the connex edges are of type <Side>.
    is static;

    AddFaces(me;
    	     Face  :        Face       from TopoDS;
	     Co    : in out Compound   from TopoDS;
	     Map   : in out MapOfShape from TopTools;
	     Type1 : in     Type       from BRepOffset;
	     Type2 : in     Type       from BRepOffset) 
        ---Purpose: Add in <CO> the faces of the shell containing <Face>
	--          where all the connex edges are of type <Side1> or <Side2>.

    is static;

fields

    myDone      : Boolean                          from Standard;
    myShape     : Shape                            from TopoDS;
    mapEdgeType : DataMapOfShapeListOfInterval     from BRepOffset;
    ancestors   : IndexedDataMapOfShapeListOfShape from TopTools;
    angle       : Real                             from Standard;
    
end Analyse;