/***************************************************************************** * * $Id: ICCProfileHeader.java,v 1.1.1.1 2002/08/02 09:47:05 grosbois Exp $ * * Copyright Eastman Kodak Company, 343 State Street, Rochester, NY 14650 * $Date $ *****************************************************************************/package icc.types;import java.io.RandomAccessFile;import java.io.IOException;import icc .ICCProfile;/** * An ICC profile contains a 128-byte header followed by a variable * number of tags contained in a tag table. This class models the header * portion of the profile.  Most fields in the header are ints.  Some, such * as data and version are aggregations of ints. This class provides an api to * those fields as well as the definition of standard constants which are used  * in the header. *  * @see		jj2000.j2k.icc.ICCProfile * @version	1.0 * @author	Bruce A. Kern */public class ICCProfileHeader {    private static final String eol = System.getProperty("line.separator");            /** ICCProfile header byte array. */  private byte [] header = null;            /* Define the set of standard signature and type values. Only     * those codes required for Restricted ICC use are defined here.     */    /** Profile header signature */ public static int  kdwProfileSignature;    static { kdwProfileSignature = ICCProfile.getInt(new String ("acsp").getBytes(), 0); }    /** Profile header signature */ public static int  kdwProfileSigReverse;    static { kdwProfileSigReverse = ICCProfile.getInt(new String ("psca").getBytes(),0); }    private static final String  kdwInputProfile	 = "scnr";    private static final String  kdwDisplayProfile	 = "mntr";    private static final String  kdwRGBData			 = "RGB ";    private static final String  kdwGrayData		 = "GRAY";    private static final String  kdwXYZData			 = "XYZ ";    private static final String  kdwGrayTRCTag		 = "kTRC";    private static final String  kdwRedColorantTag	 = "rXYZ";    private static final String  kdwGreenColorantTag = "gXYZ";    private static final String  kdwBlueColorantTag	 = "bXYZ";    private static final String  kdwRedTRCTag		 = "rTRC";    private static final String  kdwGreenTRCTag		 = "gTRC";    private static final String  kdwBlueTRCTag		 = "bTRC";        /* Offsets into ICCProfile header byte array. */    private final static int offProfileSize = 0;    private final static int offCMMTypeSignature         = offProfileSize + ICCProfile.int_size;    private final static int offProfileVersion           = offCMMTypeSignature + ICCProfile.int_size;	       private final static int offProfileClass             = offProfileVersion + ICCProfileVersion.size;    private final static int offColorSpaceType           = offProfileClass + ICCProfile.int_size;      private final static int offPCSType                  = offColorSpaceType + ICCProfile.int_size;		       private final static int offDateTime                 = offPCSType + ICCProfile.int_size;		       private final static int offProfileSignature         = offDateTime + ICCDateTime.size;    private final static int offPlatformSignature        = offProfileSignature + ICCProfile.int_size;    private final static int offCMMFlags                 = offPlatformSignature + ICCProfile.int_size;     private final static int offDeviceManufacturer       = offCMMFlags + ICCProfile.int_size;    private final static int offDeviceModel              = offDeviceManufacturer + ICCProfile.int_size;		    private final static int offDeviceAttributes1        = offDeviceModel + ICCProfile.int_size;    private final static int offDeviceAttributesReserved = offDeviceAttributes1 + ICCProfile.int_size;    private final static int offRenderingIntent          = offDeviceAttributesReserved + ICCProfile.int_size;    private final static int offPCSIlluminant            = offRenderingIntent + ICCProfile.int_size;    private final static int offCreatorSig               = offPCSIlluminant + XYZNumber.size;    private final static int offReserved                 = offCreatorSig + ICCProfile.int_size;    /** Size of the header */ public  final static int size = offReserved + 44 * ICCProfile.byte_size;    /* Header fields mapped to primitive types. */    /** Header field */ public int	dwProfileSize;			// Size of the entire profile in bytes	    /** Header field */ public int	dwCMMTypeSignature;		// The preferred CMM for this profile    /** Header field */ public int	dwProfileClass;			// Profile/Device class signature    /** Header field */ public int	dwColorSpaceType;		// Colorspace signature    /** Header field */ public int	dwPCSType;				// PCS type signature    /** Header field */ public int	dwProfileSignature;		// Must be 'acsp' (0x61637370)    /** Header field */ public int	dwPlatformSignature;	// Primary platform for which this profile was created    /** Header field */ public int	dwCMMFlags;				// Flags to indicate various hints for the CMM    /** Header field */ public int	dwDeviceManufacturer;	// Signature of device manufacturer    /** Header field */ public int	dwDeviceModel;			// Signature of device model    /** Header field */ public int	dwDeviceAttributes1;	// Attributes of the device    /** Header field */ public int	dwDeviceAttributesReserved;    /** Header field */ public int	dwRenderingIntent;		// Desired rendering intent for this profile    /** Header field */ public int	dwCreatorSig;			// Profile creator signature    /** Header field */ public byte[] reserved = new byte[44];          //     /* Header fields mapped to ggregate types. */    /** Header field */ public ICCProfileVersion profileVersion; // Version of the profile format on which    /** Header field */ public ICCDateTime	     dateTime;		 // Date and time of profile creation// this profile is based    /** Header field */ public XYZNumber		 PCSIlluminant;	 // Illuminant used for this profile    /** Construct and empty header */    public ICCProfileHeader () {    }        /**     * Construct a header from a complete ICCProfile     *   @param byte [] -- holds ICCProfile contents     */    public ICCProfileHeader (byte [] data)  {        dwProfileSize              = ICCProfile.getInt (data, offProfileSize);        dwCMMTypeSignature         = ICCProfile.getInt (data, offCMMTypeSignature);        dwProfileClass             = ICCProfile.getInt (data, offProfileClass);        dwColorSpaceType           = ICCProfile.getInt (data, offColorSpaceType);        dwPCSType                  = ICCProfile.getInt (data, offPCSType);        dwProfileSignature         = ICCProfile.getInt (data, offProfileSignature);        dwPlatformSignature        = ICCProfile.getInt (data, offPlatformSignature);        dwCMMFlags                 = ICCProfile.getInt (data, offCMMFlags);        dwDeviceManufacturer       = ICCProfile.getInt (data, offDeviceManufacturer);        dwDeviceModel              = ICCProfile.getInt (data, offDeviceModel);        dwDeviceAttributes1        = ICCProfile.getInt (data, offDeviceAttributesReserved);        dwDeviceAttributesReserved = ICCProfile.getInt (data, offDeviceAttributesReserved);        dwRenderingIntent          = ICCProfile.getInt (data, offRenderingIntent);        dwCreatorSig               = ICCProfile.getInt (data, offCreatorSig);        profileVersion             = ICCProfile.getICCProfileVersion(data, offProfileVersion);        dateTime                   = ICCProfile.getICCDateTime(data, offDateTime);        PCSIlluminant              = ICCProfile.getXYZNumber(data, offPCSIlluminant);        for (int i=0; i<reserved.length; ++i)            reserved[i] = data [offReserved+i]; }    /**     * Write out this ICCProfile header to a RandomAccessFile     *   @param raf sink for data     * @exception IOException     */    public void write (RandomAccessFile raf) throws IOException {        raf.seek (offProfileSize);                raf.write (dwProfileSize);        raf.seek (offCMMTypeSignature);           raf.write (dwCMMTypeSignature);        raf.seek (offProfileVersion);             profileVersion.write (raf);        raf.seek (offProfileClass);               raf.write (dwProfileClass);        raf.seek (offColorSpaceType);             raf.write (dwColorSpaceType);        raf.seek (offPCSType);                    raf.write (dwPCSType);        raf.seek (offDateTime);                   dateTime.write (raf);        raf.seek (offProfileSignature);           raf.write (dwProfileSignature);        raf.seek (offPlatformSignature);          raf.write (dwPlatformSignature);        raf.seek (offCMMFlags);                   raf.write (dwCMMFlags);        raf.seek (offDeviceManufacturer);         raf.write (dwDeviceManufacturer);        raf.seek (offDeviceModel);                raf.write (dwDeviceModel);        raf.seek (offDeviceAttributes1);          raf.write (dwDeviceAttributes1);        raf.seek (offDeviceAttributesReserved);   raf.write (dwDeviceAttributesReserved);        raf.seek (offRenderingIntent);            raf.write (dwRenderingIntent);        raf.seek (offPCSIlluminant);              PCSIlluminant.write (raf);        raf.seek (offCreatorSig);                 raf.write (dwCreatorSig);        raf.seek (offReserved);                   raf.write (reserved);  }    /** String representation of class */    public String toString() {        StringBuffer rep = new StringBuffer ("[ICCProfileHeader: ");        rep .append(eol + "         ProfileSize: " + Integer.toHexString(dwProfileSize));        rep .append(eol + "    CMMTypeSignature: " + Integer.toHexString(dwCMMTypeSignature));        rep .append(eol + "        ProfileClass: " + Integer.toHexString(dwProfileClass));        rep .append(eol + "      ColorSpaceType: " + Integer.toHexString(dwColorSpaceType));        rep .append(eol + "           dwPCSType: " + Integer.toHexString(dwPCSType));        rep .append(eol + "  dwProfileSignature: " + Integer.toHexString(dwProfileSignature));        rep .append(eol + " dwPlatformSignature: " + Integer.toHexString(dwPlatformSignature));        rep .append(eol + "          dwCMMFlags: " + Integer.toHexString(dwCMMFlags));        rep .append(eol + "dwDeviceManufacturer: " + Integer.toHexString(dwDeviceManufacturer));        rep .append(eol + "       dwDeviceModel: " + Integer.toHexString(dwDeviceModel));        rep .append(eol + " dwDeviceAttributes1: " + Integer.toHexString(dwDeviceAttributes1));        rep .append(eol + "   dwRenderingIntent: " + Integer.toHexString(dwRenderingIntent));        rep .append(eol + "        dwCreatorSig: " + Integer.toHexString(dwCreatorSig));        rep .append(eol + "      profileVersion: " + profileVersion);        rep .append(eol + "            dateTime: " + dateTime);        rep .append(eol + "       PCSIlluminant: " + PCSIlluminant);         return rep.append("]").toString(); }    /* end class ICCProfileHeader */ }