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/// <summary>**************************************************************************
/// 
/// $Id: ICCXYZType.java,v 1.1 2002/07/25 14:56:37 grosbois Exp $
/// 
/// Copyright Eastman Kodak Company, 343 State Street, Rochester, NY 14650
/// $Date $
/// ***************************************************************************
/// </summary>
using System;
using ICCProfile = CSJ2K.Icc.ICCProfile;
using XYZNumber = CSJ2K.Icc.Types.XYZNumber;
namespace CSJ2K.Icc.Tags
{
        
        /// <summary> A tag containing a triplet.
        /// 
        /// </summary>
        /// <seealso cref="jj2000.j2k.icc.tags.ICCXYZTypeReverse">
        /// </seealso>
        /// <seealso cref="jj2000.j2k.icc.types.XYZNumber">
        /// </seealso>
        /// <version>   1.0
        /// </version>
        /// <author>    Bruce A. Kern
        /// </author>
        public class ICCXYZType:ICCTag
        {
                
                /// <summary>x component </summary>
                //UPGRADE_NOTE: Final was removed from the declaration of 'x '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'"
                public long x;
                /// <summary>y component </summary>
                //UPGRADE_NOTE: Final was removed from the declaration of 'y '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'"
                public long y;
                /// <summary>z component </summary>
                //UPGRADE_NOTE: Final was removed from the declaration of 'z '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'"
                public long z;
                
                /// <summary>Normalization utility </summary>
                public static long DoubleToXYZ(double x)
                {
                        //UPGRADE_WARNING: Data types in Visual C# might be different.  Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
                        return (long) System.Math.Floor(x * 65536.0 + 0.5);
                }
                
                /// <summary>Normalization utility </summary>
                public static double XYZToDouble(long x)
                {
                        return x / 65536.0;
                }
                
                /// <summary> Construct this tag from its constituant parts</summary>
                /// <param name="signature">tag id
                /// </param>
                /// <param name="data">array of bytes
                /// </param>
                /// <param name="offset">to data in the data array
                /// </param>
                /// <param name="length">of data in the data array
                /// </param>
                protected internal ICCXYZType(int signature, byte[] data, int offset, int length):base(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);
                }
                
                
                /// <summary>Return the string rep of this tag. </summary>
                public override System.String ToString()
                {
                        return "[" + base.ToString() + "(" + x + ", " + y + ", " + z + ")]";
                }
                
                
                /// <summary>Write to a file. </summary>
                //UPGRADE_TODO: Class 'java.io.RandomAccessFile' was converted to 'System.IO.FileStream' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaioRandomAccessFile'"
                public virtual void  write(System.IO.FileStream raf)
                {
            byte[] xb = ICCProfile.setLong(x);
            byte[] yb = ICCProfile.setLong(y);
            byte[] zb = ICCProfile.setLong(z);
                        
            // CONVERSION PROBLEM?
                        raf.Write(xb, ICCProfile.int_size, 0);
                        raf.Write(yb, ICCProfile.int_size, 0);
                        raf.Write(zb, ICCProfile.int_size, 0);
                }
                
                
                /* end class ICCXYZType */
        }
}

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