LEADTOOLS Color Conversion (Leadtools.ColorConversion assembly)

IccLookupTableAToBTagType Class

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Example 





Members 
Contains the lutAToBType tag type data.
Object Model
Syntax
public class IccLookupTableAToBTagType : IccTagTypeBase 
'Declaration
 
Public Class IccLookupTableAToBTagType 
   Inherits IccTagTypeBase
'Usage
 
Dim instance As IccLookupTableAToBTagType

            

            
public ref class IccLookupTableAToBTagType : public IccTagTypeBase 
Remarks
Example
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Imports Leadtools
Imports Leadtools.ColorConversion

Public Function FillIccCurveTagType() As IccCurveTagType
   Dim myDoubleValue As Double = 1.5
   Dim curveData(0) As UShort
   curveData(0) = New UShort()
   curveData(0) = IccTools.FromDoubleToU8Fixed8Number(myDoubleValue)

   myDoubleValue = IccTools.FromU8Fixed8NumberToDouble(curveData(0))
   Dim iccCurve As New IccCurve(curveData)
   Dim iccCurveTagType As New IccCurveTagType(iccCurve)

   Return iccCurveTagType
End Function

Public Function FillIccParametricCurveTagType() As IccParametricCurveTagType
   Dim parameters() As Integer = {IccTools.FromDoubleTo2bFixed2bNumber(5.0)}
   Dim parametricCurve As New IccParametricCurve(IccFunctionsType.Function4Bytes, parameters)
   Dim parametricCurveTagType As New IccParametricCurveTagType(parametricCurve)

   Return parametricCurveTagType
End Function


Public Sub IccLookupTableAToBTagTypeExample()
   ' load an Icc Profile
   Dim iccProfile As New IccProfileExtended(Path.Combine(LEAD_VARS.ImagesDir, "EmptyIcc.icc"))

   ' "B Curves" should be of the same number as Output Channels
   ' They can be either IccTagCurveType or IccTagResponseCurveType fill the tag
   Dim iccCurveType() As IccCurveTagType = {FillIccCurveTagType()}

   ' define the "Matrix"
   Dim element() As Integer = {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)}

   Dim iccMatrix As New IccMatrix(element)

   ' "M Curves" should be of the same number as Output Channels
   ' They can be either IccCurve or IccResponseCurve
   ' fill the tag
   Dim iccParametricCurveType() As IccParametricCurveTagType = {FillIccParametricCurveTagType()}

   ' define the CLUT
   Dim iccCLUT8 As 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
   ReDim iccCLUT8.Data(5)
   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
   Dim iccCurveTypeA() As IccCurveTagType = {FillIccCurveTagType(), _
      FillIccCurveTagType(), _
      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
   Dim iccLUTAtoB As New IccLookupTableAToBTagType(3, _
         1, _
         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
   iccProfile.GenerateIccFile(Path.Combine(LEAD_VARS.ImagesDir, "IccLookupTableAToBTagTypeVB.icc"))
End Sub

Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
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, "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";
}
Requirements

Target Platforms

See Also

Reference

IccLookupTableAToBTagType Members
Leadtools.ColorConversion Namespace
IccTagTypeBase Class
IccCurveTagType Class
IccDateTimeTagType Class
IccDataTagType Class
IccLookupTable16TagType Class
IccLookupTable8TagType Class
IccMeasurementTagType Class
IccNamedColor2TagType Class
IccParametricCurveTagType Class
IccResponseCurveSet16TagType Class
IccViewingConditionsTagType Class
IccChromaticityTagType Class
IccColorantTableTagType Class
IccMultiLocalizedUnicodeTagType Class
IccColorantOrderTagType Class
IccLookupTableBToATagType Class
IccProfileSequenceDescriptionTagType Class
IccS15Fixed16ArrayTagType Class
IccSignatureTagType Class
IccTextTagType Class
IccU16Fixed16ArrayTagType Class
IccUint16ArrayTagType Class
IccUint32ArrayTagType Class
IccUint64ArrayTagType Class
IccUint8ArrayTagType Class
IccXyzTagType Class
IccUnknownTagType Class
IccTools Class
IccProfileExtended Class

 

 


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