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-- File:	StdSelect_FaceFilter.cdl
-- Created:	Fri Mar  8 17:04:18 1996
-- Author:	Robert COUBLANC
--		<rob@fidox>
---Copyright:	 Matra Datavision 1996



class FaceFilter from StdSelect inherits Filter from SelectMgr

	---Purpose: A framework to define a filter to select a specific type of face.
    	-- The types available include:
    	-- -   any face
    	-- -   a planar face
    	-- -   a cylindrical face
    	-- -   a spherical face
    	-- -   a toroidal face
    	-- -   a revol face.

uses
    TypeOfFace from StdSelect,
    Shape from TopoDS,
    EntityOwner from SelectMgr,
    ShapeEnum from TopAbs
is

    Create (aTypeOfFace: TypeOfFace from StdSelect)
    returns mutable FaceFilter from StdSelect;
    	---Purpose: Constructs a face filter object defined by the type of face aTypeOfFace.    
    SetType(me:mutable;aNewType : TypeOfFace from StdSelect);  
    	--- Purpose: Sets the type of face aNewType. aNewType is to be highlighted in selection.   
    Type(me) returns TypeOfFace from StdSelect;
    	--- Purpose: Returns the type of face to be highlighted in selection.   
    IsOk (me;anobj : EntityOwner from SelectMgr) 
    returns Boolean from Standard is redefined virtual;
  
    ActsOn(me; aStandardMode : ShapeEnum from TopAbs)
    returns Boolean from Standard is redefined virtual;
   
fields

    mytype : TypeOfFace from StdSelect;

end FaceFilter;