/***************************************************************************** * * $Id: ICCXYZType.java,v 1.1.1.1 2002/08/02 09:51:48 grosbois Exp $ * * Copyright Eastman Kodak Company, 343 State Street, Rochester, NY 14650 * $Date $ *****************************************************************************/package icc.tags;import java.io.IOException;import java.util.Vector;import java.io.RandomAccessFile;import icc .ICCProfile;import icc .types.XYZNumber;/** * A tag containing a triplet. *  * @see		jj2000.j2k.icc.tags.ICCXYZTypeReverse  * @see	    jj2000.j2k.icc.types.XYZNumber * @version	1.0 * @author	Bruce A. Kern */public class ICCXYZType extends ICCTag {    /** x component */ public final long x;    /** y component */ public final long y;    /** z component */ public final long z;    /** Normalization utility */    public static long DoubleToXYZ ( double x ) {        return (long) Math.floor(x * 65536.0 + 0.5); }    /** Normalization utility */    public static double XYZToDouble (long x) {         return x / 65536.0; }    /**     * Construct this tag from its constituant parts     *   @param signature tag id     *   @param data array of bytes     *   @param offset to data in the data array     *   @param length of data in the data array     */    protected ICCXYZType (int signature, byte [] data, int offset, int length) {        super (signature, data, offset, length);        x=ICCProfile.getInt (data, offset+2*ICCProfile.int_size);        y=ICCProfile.getInt (data, offset+3*ICCProfile.int_size);        z=ICCProfile.getInt (data, offset+4*ICCProfile.int_size); }    /** Return the string rep of this tag. */    public String toString () {        return "[" + super.toString() + "(" + x + ", " + y + ", " + z + ")]"; }        /** Write to a file. */    public void write (RandomAccessFile raf) throws IOException {        byte [] xb = ICCProfile.setLong (x);        byte [] yb = ICCProfile.setLong (y);        byte [] zb = ICCProfile.setLong (z);        raf.write (xb, ICCProfile.int_size, 0);        raf.write (yb, ICCProfile.int_size, 0);        raf.write (zb, ICCProfile.int_size, 0); }    /* end class ICCXYZType */ }