/***************************************************************************** * * $Id: LookUpTable16Gamma.java,v 1.1.1.1 2002/08/02 09:47:04 grosbois Exp $ * * Copyright Eastman Kodak Company, 343 State Street, Rochester, NY 14650 * $Date $ *****************************************************************************/package icc.lut;import icc .tags.ICCCurveType;/** * A Gamma based 16 bit lut. *  * @see		jj2000.j2k.icc.tags.ICCCurveType * @version	1.0 * @author	Bruce A. Kern */public class LookUpTable16Gamma extends LookUpTable16 {             /* Construct the lut      *   @param curve data      *   @param dwNumInput size of lut      *   @param dwMaxOutput max value of lut        */    public LookUpTable16Gamma (ICCCurveType curve, int dwNumInput, int dwMaxOutput) {        super (curve, dwNumInput, dwMaxOutput);        double dfE = ICCCurveType.CurveGammaToDouble(curve.entry(0)); // Gamma exponent for inverse transformation        for (int i = 0; i < dwNumInput; i++)            lut[i] = (short) Math.floor(Math.pow((double)i / (dwNumInput - 1), dfE) * dwMaxOutput + 0.5); }    /* end class LookUpTable16Gamma */ }