-- File:	Adaptor3d_GenHSurface.cdl
-- Created:	Mon Feb 14 15:13:04 1994
-- Author:	model
--		<model@topsn2>
---Copyright:	 Matra Datavision 1994


generic class GenHSurface from Adaptor3d
    (TheSurface as Surface from Adaptor3d)
 
inherits HSurface from Adaptor3d 
    
	---Purpose: Generic class used to create a surface manipulated
      	--          with Handle from a surface described by the class Surface. 
	
uses

     Surface      from Adaptor3d


raises

    OutOfRange          from Standard,
    NoSuchObject        from Standard,
    DomainError         from Standard


is

    Create
    
	---Purpose: Creates an empty GenHSurface.
    	returns mutable GenHSurface from Adaptor3d; 
    

    Create(S: TheSurface)
    
	---Purpose: Creates a GenHSurface from a Surface.
    	returns mutable GenHSurface from Adaptor3d; 


    Set(me: mutable; S: TheSurface)
    
	---Purpose: Sets the field of the GenHSurface.
    	is static;

    --
    --  Access to the surface
    --  
    
    Surface(me) returns Surface from Adaptor3d;
	---Purpose: Returns a reference to the Surface inside the HSurface.
	--          This is redefined from HSurface, cannot be inline.
	--          
	---C++: return const &

    ChangeSurface(me : mutable)
    
	---Purpose: Returns the surface used to create the GenHSurface.
	--          
	---C++: return &
	---C++: inline

    	returns TheSurface;


fields

    mySurf: TheSurface is protected;

end GenHSurface;