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--
-- File:	Aspect_ColorCubeColorMap.cdl
-- Created:	23/03/93
-- Author:	BBL
--
---Copyright:	MatraDatavision 1993
--

class ColorCubeColorMap from Aspect inherits ColorMap from Aspect

	---Version: 0.0

	---Purpose: This class defines a ColorCube ColorMap object.
	---Keywords:
	---Warning:
	---References:

uses
	Color		from Quantity,
	ColorMapEntry 	from Aspect

raises
	BadAccess 	from Aspect,
	RangeError from Standard

is
	Create( base_pixel, redmax,   redmult,
			    greenmax, greenmult,
			    bluemax,  bluemult : in Integer from Standard )
	returns mutable ColorCubeColorMap from Aspect
	raises RangeError from Standard ;
	---Level: Public
	---Purpose : Create a ColorCube ColorMap.

	ColorCubeDefinition( me : in ;
			  base_pixel,
			  redmax,   redmult,
			  greenmax, greenmult,
			  bluemax,  bluemult : out Integer from Standard );

	FindColorMapIndex ( me ;
			AColorMapEntryIndex : Integer from Standard )
	returns Integer from Standard
	raises BadAccess from Aspect ;
	---Level: Public
	---Purpose: Returns the index in the ColorMap of the
	--	    ColorMapEntry.Index() equal to <AnEntryIndex>.
	--  Warning: Raises BadAccess if the index is not defined in the
	--	    ColorMap.

	FindEntry ( me ; AColorMapEntryIndex : Integer from Standard )
	returns ColorMapEntry from Aspect
	raises BadAccess from Aspect ;
	---Level: Public
	---Purpose: Returns the ColorMapEntry with ColorMapEntry.Index()
	--	    equal to <AnEntryIndex>.
	--  Warning: Raises BadAccess if the index is not defined in the
	--	    ColorMap.
    	---C++: return const &

	NearestColorMapIndex( me ; aColor : Color from Quantity )
	returns Integer from Standard ;
	---Level: Public
	---Purpose: Returns the index in the ColorMap of the nearest
	--	    matching ColorMapEntry

	NearestEntry( me ; aColor : Color from Quantity )
	returns ColorMapEntry from Aspect ;
	---Level: Public
	---Purpose: Returns the nearest ColorMapEntry that match aColor .
    	---C++: return const &

        AddEntry (me : mutable; aColor : Color from Quantity)
                returns Integer from Standard;
        ---Level: Public
        ---Purpose: Search an identical color entry in the color map <me>
        -- or returns the nearest ColorMapEntry Index.

fields
	mybasepixel 		 : Integer from Standard ;
	mygreenmax , mygreenmult : Integer from Standard ;
	myredmax   , myredmult   : Integer from Standard ;
	mybluemax  , mybluemult  : Integer from Standard ;
		-- ColorCube definition for a ColorCube ColorMap.

end ColorCubeColorMap ;