IccLookupTableAToBTagType Class

public class IccLookupTableAToBTagType : IccTagTypeBase 

public IccCurveTagType FillIccCurveTagType()
   {
      ushort[] curveData = new ushort[1];
      curveData[0] = IccTools.FromDoubleToU8Fixed8Number(1.5);
      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 IccLookupTableAToBTagTypeExample()
   {
      // 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 Output Channels
      // They can be either IccTagCurveType or IccTagResponseCurveType
      // fill the tag
      IccCurveTagType[] iccCurveType = new IccCurveTagType[1];
      iccCurveType[0] = 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 Output Channels
      // They can be either IccCurve or IccResponseCurve
      // fill the tag
      IccParametricCurveTagType[] iccParametricCurveType = new IccParametricCurveTagType[1];
      iccParametricCurveType[0] = FillIccParametricCurveTagType();

      // define the CLUT
      IccColorLookupTable8Bit iccCLUT8 = new IccColorLookupTable8Bit();
      // only the first i entries are used, where i is the number of input channels
      iccCLUT8.NumberOfGridPoints[0] = 1;
      iccCLUT8.NumberOfGridPoints[1] = 2;
      iccCLUT8.NumberOfGridPoints[2] = 3;
      // the percision that determins if we are using IccColorLookupTable 
      // 8Bit or 16Bit, 1 for 8-bit, and 2 for 16-bit
      iccCLUT8.Precision = 1;
      // and then the padding bytes
      iccCLUT8.Pad[0] = 0;
      iccCLUT8.Pad[1] = 0;
      iccCLUT8.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 * 2 * 3 * 1 (number of output channel) * 1 (Percision) = 6
      iccCLUT8.Data = new Byte[6];
      iccCLUT8.Data[0] = 3;
      iccCLUT8.Data[1] = 4;
      iccCLUT8.Data[2] = 5;
      iccCLUT8.Data[3] = 6;
      iccCLUT8.Data[4] = 7;
      iccCLUT8.Data[5] = 8;

      // "A Curves" should be of the same number as Input Channels
      // They can be either IccCurve or IccResponseCurve
      // fill the tags
      IccCurveTagType[] iccCurveTypeA = new IccCurveTagType[3];
      iccCurveTypeA[0] = FillIccCurveTagType();
      iccCurveTypeA[1] = FillIccCurveTagType();
      iccCurveTypeA[2] = 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 is called

      // define the tag type
      IccLookupTableAToBTagType iccLUTAtoB = new IccLookupTableAToBTagType(
         3,    // input channels
         1,    // output channels
         iccCurveType,
         iccParametricCurveType,
         iccCurveTypeA,
         iccCLUT8,
         iccMatrix);

      // add the new tag to the ICC Profile
      iccProfile.AddTag(iccLUTAtoB, IccTag.AToB2Tag, IccTagTypeBase.LutAtoBTypeSignature);

      // 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, "IccLookupTableAToBTagTypeCS.icc");
      iccProfile.GenerateIccFile(IccfileName);
   }

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