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--
-- File:	Xw_FontMap.cdl
-- Created:	24/08/93
-- Author:	GG
--
---Copyright:	MatraDatavision 1993
--

class FontMap from Xw inherits Transient 

	---Version: 0.0

	---Purpose: This class defines a FontMap object.

	---Keywords:
	---Warning:
	---References:

uses

	FontMap			from Aspect,
	FontMapEntry		from Aspect

raises

	FontMapDefinitionError	from Aspect,
	BadAccess from Aspect

is

	Create
	returns mutable FontMap from Xw
	is protected;
	---Level: Internal

	Create (Connexion : CString from Standard) 
	returns mutable FontMap from Xw 
	---Level: Public
	---Purpose: Creates a FontMap with an unallocated FontMapEntry.
	raises FontMapDefinitionError from Aspect;
	---Error if FontMap creation failed according
	--       to the supported hardware

	SetEntry (me : mutable; 
		  Entry : FontMapEntry from Aspect)
	---Level: Public
	---Purpose: Modifies an entry already defined or adds <Entry>
	--	    in the font map <me> if it don't exist.
	raises BadAccess from Aspect is virtual;
	---Purpose:  Warning if FontMap size is exceeded.
	--	   or FontMap is not defined properly
	--	   or FontMapEntry Index is out of range according
	--	   to the supported hardware

	SetEntries (me : mutable;
	          Fontmap : FontMap from Aspect)
	---Level: Public
	---Purpose: Modifies all entries of <me> from the new Fontmap.
	raises BadAccess from Aspect is virtual;
	---Purpose:  Warning if FontMap size is exceeded.
	--         or FontMap is not defined properly
	--         or One of new FontMapEntry Index is out of range according
	--         to the supported hardware

	Destroy (me : mutable) is virtual;
	---Level: Public
	---Purpose: Destroies the Fontmap
	---C++: alias ~

	----------------------------
	-- Category: Inquire methods
	----------------------------

	FreeFonts (me)
	returns Integer from Standard 
	---Level: Public
	---Purpose: Returns the number of Free Fonts in the Fontmap
	--	    depending of the HardWare
	raises BadAccess from Aspect is static;
	---Error If FontMap is not defined properly

	ExtendedFontMap (me)
	returns Address from Standard
	is static protected;
	---Level: Public
	---Purpose: Returns extended data fontmap structure pointer.
	---Category: Inquire methods


fields

	MyExtendedDisplay 	: Address from Standard;
	MyExtendedFontMap 	: Address from Standard;

friends

	class GraphicDevice from Xw

end FontMap;