--
-- File:	Graphic3d_GraphicDevice.cdl
-- Created:	Mercredi 19 Janvier 1994
-- Author:	CAL
-- Modified:	GG RIC120302 add new constructor to pass Display structure
--		directly instead the connexion name.
---Copyright:	Matra Datavision 1994

class GraphicDevice from Graphic3d inherits GraphicDevice from Xw 

---Purpose: This class allows the definition of the Advanced
	--	    Graphic Device 
-- Warning: An Graphic Device is defined by a connexion
	--	    "host:server.screen" 


uses

	SharedLibrary	from OSD,
	GraphicDriver	from Aspect,
	Display		from Aspect,
	GraphicDriver	from Graphic3d,
	TypeOfMapping	from Xw

raises

	GraphicDeviceDefinitionError	from Aspect

is

	Create ( Connexion	: CString from Standard;
		 Mapping	: TypeOfMapping from Xw = Xw_TOM_COLORCUBE;
		 Ncolors	: Integer from Standard = 0;
		 UseDefault	: Boolean from Standard = Standard_True ) 
	returns mutable GraphicDevice from Graphic3d 
	---Level: Public
	---Purpose: Creates a GraphicDevice
	---Warning: Raises if the Device is badly defined
	raises GraphicDeviceDefinitionError from Aspect;

	Create ( DisplayHandle	: Display from Aspect)
	returns mutable GraphicDevice from Graphic3d 
	---Level: Public
	---Purpose: Creates a GraphicDevice from the Display structure
	---Warning: Raises if the Device is badly defined
	raises GraphicDeviceDefinitionError from Aspect;

	Destroy ( me	: mutable )
		is redefined static;
	---Level: Public
	---Purpose: Deletes the GraphicDevice <me>.
	---C++: alias ~

	GraphicDriver ( me )
		returns GraphicDriver from Aspect
		is redefined static;
	---Level: Public
	---Purpose: Returns the GraphicDriver.

	SetGraphicDriver ( me	: mutable )
		is private;
	---Level: Internal
	---Purpose: Sets the GraphicDriver.

	ShrIsDefined ( me;
		       aShr	: out CString from Standard )
		returns Boolean from Standard
		is private;
	---Level: Internal
	---Purpose: Returns Standard_True if the shared library
	--	    is defined by the environment.
	--	    (variables : CSF_GraphicShr, CSF_Graphic3dLib, GRAPHICHOME)

fields

	MyGraphicDriver	:	GraphicDriver from Graphic3d;

end GraphicDevice from Graphic3d;