-- File:	ImageUtility.cdl
-- Created:	Tue Jul 27 18:51:28 1993
-- Author:	Jean Louis FRENKEL
--		<jlf@sparc3>
---Copyright:	 Matra Datavision 1993

package ImageUtility


uses
	TCollection,
	Image,
	AlienImage,
	OSD,
	Aspect

is

	class XPR ;
		--- Purpose : perform a "xpr " with a XAlienImage build
		-- 		 from any Image , any AlienImage .

	class XWUD ;
		--- Purpose : perform a "xwud " with a XAlienImage build
		-- 		 from any Image , any AlienImage .

	class XWD ;
		--- Purpose : perform a "xwd " and create Image and XAlienImage.

	class X11Dump ;
		--- Purpose : Create a X11 Window and perform a XPutImage on it,
		--            from any Image , any AlienImage .

	imported X11Window ;
		--- Xlib.h : Window type

	imported X11Display ;
		--- Xlib.h : Display type

	imported X11XImage ;
		--- Xlib.h : XImage type

	imported X11GC ;
		--- Xlib.h : XImage type

	PixelDiff( aImage       : immutable Image from Image ;
	           anotherImage : immutable Image from Image ) 
		returns mutable PseudoColorImage from Image
		--- Purpose : Create a Black & White Image from two Image.
		--	      Resulting Image Pixel is set to 0 if Pixel from
		--	      both Image are the same else set to 1 .
		raises TypeMismatch from Standard;

	PixelColorDiff( aImage       : immutable Image from Image ;
	                anotherImage : immutable Image from Image ) 
		returns mutable PseudoColorImage from Image
		--- Purpose : Create a Black & White Image from two Image.
		--	      Resulting Image Pixel is set to 0 if PixelColor 
		--	      from both Image are the same else set to 1 .
		raises TypeMismatch from Standard;

	PixelColorDiff( aImage       : immutable Image from Image ;
	                anotherImage : immutable Image from Image ;
			aCRColorMap  : immutable ColorRampColorMap from Aspect )
		returns mutable PseudoColorImage from Image
		--- Purpose : Create a ColorRamp Image from two Image.
		--	      Resulting Image Pixel Index is proportional
		--	      to the (Red+Green_Blue)Image Differences scaling
		--	      to the ColorRamp range.
		raises TypeMismatch from Standard;

	PixelColorDiff( aImage       : immutable Image from Image ;
	                anotherImage : immutable Image from Image ;
			aCRColorMap  : immutable ColorRampColorMap from Aspect ;
			RedDiff      : out mutable PseudoColorImage from Image ;
			GreenDiff    : out mutable PseudoColorImage from Image ;
			BlueDiff     : out mutable PseudoColorImage from Image )
		--- Purpose : Create a ColorRamp Images from two Image.
		--	      Resulting Image Pixel Index is proportional
		--	      to the Image Differences scaling to the 
		--	      ColorRamp range.
		raises TypeMismatch from Standard;


end ;