return 0;
short[] data = getCurve(icSigGrayTRCTag); if (data == null) throw new IllegalArgumentException("Couldn't read Gray TRC data."); if (data.length != 1) throw new ProfileDataException("TRC is a table, not a gamma value.");   double gamma = (double) (data[0] & (0xFFFF)) / 256.0; return (float) gamma;
  public float getGamma()  {    return 0;  }