IccLookupTableBToATagType Class

using Leadtools;
using Leadtools.ColorConversion;

public IccCurveTagType FillIccCurveTagType()
{
   double myDoubleValue = 1.0;
   ushort[] curveData = new ushort[1];
   curveData[0] = IccTools.FromDoubleToU8Fixed8Number(myDoubleValue);
   IccCurve iccCurve = new IccCurve(curveData);
   IccCurveTagType iccCurveTagType = new IccCurveTagType(iccCurve);

   return iccCurveTagType;
}

public IccParametricCurveTagType FillIccParametricCurveTagType()
{
   int[] parameters = new int[1];

   parameters[0] = IccTools.FromDoubleTo2bFixed2bNumber(5.0);
   IccParametricCurve parametricCurve = new IccParametricCurve(IccFunctionsType.Function4Bytes, parameters);
   IccParametricCurveTagType parametricCurveTagType = new IccParametricCurveTagType(parametricCurve);

   return parametricCurveTagType;
}


public void IccLookupTableBToATagTypeExample()
{
   // load an Icc Profile
   string fileName = Path.Combine(LEAD_VARS.ImagesDir, "EmptyIcc.icc");
   IccProfileExtended iccProfile = new IccProfileExtended(fileName);

   // "B Curves" should be of the same number as Input Channels
   // They can be either IccCurveTagType or IccResponseCurveTagType
   // fill the data
   IccCurveTagType[] iccCurveType = new IccCurveTagType[3];
   iccCurveType[0] = FillIccCurveTagType();
   iccCurveType[1] = FillIccCurveTagType();
   iccCurveType[2] = FillIccCurveTagType();

   // define the "Matrix"
   int[] element = new int[12] {
      IccTools.FromDoubleTo2bFixed2bNumber(1.0),
      IccTools.FromDoubleTo2bFixed2bNumber(2.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(3.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(4.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(5.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(6.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(7.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(8.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(9.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(10.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(11.0), 
      IccTools.FromDoubleTo2bFixed2bNumber(12.0)};

   IccMatrix iccMatrix = new IccMatrix(element);

   // "M Curves" should be of the same number as Input Channels
   // They can be either IccCurve or IccResponseCurve
   // Fill the data
   IccParametricCurveTagType[] iccParametricCurveType = new IccParametricCurveTagType[3];
   iccParametricCurveType[0] = FillIccParametricCurveTagType();
   iccParametricCurveType[1] = FillIccParametricCurveTagType();
   iccParametricCurveType[2] = FillIccParametricCurveTagType();

   // define the CLUT
   IccColorLookupTable16Bit iccCLUT16 = new IccColorLookupTable16Bit();
   // only the first i entries are used, where i is the number of input channels
   iccCLUT16.NumberOfGridPoints[0] = 1;
   iccCLUT16.NumberOfGridPoints[1] = 1;
   iccCLUT16.NumberOfGridPoints[2] = 1;
   // the percision that determins if we are using IccColorLookupTable 
   // 8Bit or 16Bit, 1 for 8-bit, and 2 for 16-bit
   iccCLUT16.Precision = 2;
   // and then the padding bytes
   iccCLUT16.Pad[0] = 0;
   iccCLUT16.Pad[1] = 0;
   iccCLUT16.Pad[2] = 0;
   // and finally the CLUT data points (arranged as described in the text in 
   // ICC.1:2004-10 specification, page 48
   // The size of the data array is: multiplication of all the cells in the numberOfGridPoints array
   // 1 * 1 * 1 * 2 (number of output channel) * 2 (Percision) = 4 Bytes = 2 ushort
   iccCLUT16.Data = new ushort[2];
   iccCLUT16.Data[0] = 3;
   iccCLUT16.Data[1] = 4;

   // "A Curves" should be of the same number as Output Channels
   // They can be either IccCurve or IccResponseCurve
   IccCurveTagType[] iccCurveTypeA = new IccCurveTagType[2];
   iccCurveTypeA[0] = FillIccCurveTagType();
   iccCurveTypeA[1] = FillIccCurveTagType();

   // The data pointer will contain all the curve buffers in a sequential order, 
   // the offset of the start of each curve buffer will be saved into the 
   // appropriate offset variable in the class
   // the data pointer will be created automatically inside the toolkit when
   // the IccProfile.SetICCTagData() method

   // define the tag type
   IccLookupTableBToATagType iccLUTBtoA = new IccLookupTableBToATagType(
      3,    // input channels
      2,    // output channels
      iccCurveType,
      iccParametricCurveType,
      iccCurveTypeA,
      iccCLUT16,
      iccMatrix);

   // add the new tag to the ICC Profile
   iccProfile.AddTag(iccLUTBtoA, IccTag.BToA2Tag, IccTagTypeBase.LutBtoATypeSignature);

   // generate the new profile id
   iccProfile.GenerateProfileId();

   // update the icc array with the new changes
   iccProfile.UpdateDataArray();

   // write the Icc Profile into a new file
   string IccfileName = Path.Combine(LEAD_VARS.ImagesDir, "IccLookupTableBToATagTypeCS.icc");
   iccProfile.GenerateIccFile(IccfileName);
}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}