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

package AlienImage

        ---Purpose: This package allows importation of images 
        --          from some other format into CAS.CADE format.

uses
    Image,
    TColStd,
    TCollection,
    Aspect,
    OSD,
    MMgt

is

        ------------------------
        ---Category: The classes
        ------------------------

        deferred class AlienImage;
        ---Purpose: Define the general methods on AlienImage

        deferred class AlienImageData  ;
        ---Purpose: Internal Definition of  AlienImage.

        deferred class AlienUserImage  ;
        ---Purpose: Public Definition of  AlienImage.
    
--      class PSAlienImage;
        ---Purpose: Definition of PostScript AlienImage.

        class SunRFAlienData;
        ---Purpose: Private definition of Sun Raster File .rs AlienImage.

        class SunRFAlienImage;
        ---Purpose: Public definition of Sun Raster File .rs AlienImage.

        class EuclidAlienData;
        ---Purpose: Private definition of Euclid .pix AlienImage.

        class EuclidAlienImage;
        ---Purpose: Public definition of Euclid .pix AlienImage.

        class SGIRGBAlienData;
        ---Purpose: Private definition of SGI .rgb AlienImage.

        class SGIRGBAlienImage;
        ---Purpose: Public definition of SGI .rgb AlienImage.

        class X11XWDAlienData;
        ---Purpose: Private definition X11 .xwd AlienImage .
        
        class XAlienImage;
        ---Purpose: Public definition X11 .xwd AlienImage.
       
        class AidaAlienData;
        ---Purpose: Private definition of Aida .i AlienImage .
        
        class AidaAlienImage;
        ---Purpose: Public definition of Aida .i AlienImage.
       
        class MemoryOperations;
        ---Purpose: A set of function to swap byte in memory, used for
        --          comaptibility between LSBFirst and MSBFirst .




        private class BMPAlienData;
        ---Purpose: Private definition of windows .bmp AlienImage.

        private class GIFAlienData;
        ---Purpose: Private definition of windows .gif AlienImage.

        class BMPAlienImage;
        ---Purpose: Public definition of windows .bmp AlienImage.

        class GIFAlienImage;
        ---Purpose: Public definition of windows .gif AlienImage.




        ---Category: Imported types:
        imported GIFLZWDict;
        imported BMPHeader;
        
        imported X11XColor ;
        imported X11XWDFileHeader ;
        imported SGIRGBFileHeader ;
        imported SUNRFFileHeader ;

        enumeration SUNRFFormat is      SUNRF_Old,
                                        SUNRF_Standard,
                                        SUNRF_ByteEncoded,
                                        SUNRF_RGB,
                                        SUNRF_Unknown
        end SUNRFFormat ;
---Purpose: Type of code for a SUNRF image.
    
        ----------------------------
        ---Category: Package methods
        ----------------------------
        CreateImage (theFileName :     AsciiString from TCollection;
                     theImage    : out Image from Image)
        returns Boolean from Standard;
        ---Purpose:

        CreateImage (theFileName :     CString from Standard;
                     theImage    : out Image from Image)
        returns Boolean from Standard;
        ---Purpose:

        CreateImage (theFile  : in out File from OSD;
                     theImage :    out Image from Image)
        returns Boolean from Standard;
        ---Purpose:

        LoadImageFile (anImageFile :     CString     from Standard;
                       anImage     : out Image       from Image;
                       aWidth      : out Integer     from Standard;
                       aHeight     : out Integer     from Standard
        ) returns Boolean from Standard;
        ---Purpose: Used by plotter drivers

end AlienImage;