public struct IccMatrix
using Leadtools;
using Leadtools.ColorConversion;
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, "ReadFromImageCS.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:\LEADTOOLS22\Resources\Images";
}