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IccLookupTableAToBTagType Class
See Also  Members   Example 
Leadtools.ColorConversion Namespace : IccLookupTableAToBTagType Class




Contains the lutAToBType tag type data.

Object Model






Syntax

Visual Basic (Declaration) 
Public Class IccLookupTableAToBTagType 
   Inherits IccTagTypeBase
Visual Basic (Usage)Copy Code
Dim instance As IccLookupTableAToBTagType
C# 
public class IccLookupTableAToBTagType : IccTagTypeBase
Managed Extensions for C++ 
public __gc class IccLookupTableAToBTagType : public IccTagTypeBase
C++/CLI 
public ref class IccLookupTableAToBTagType : public IccTagTypeBase

Example

This example method can be used in creating an "lutAtoBType" mentioned in the ICC.1:2004-10 specification. The following information is used: input channels = 3, output channels = 1.

Visual BasicCopy Code
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("C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\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("C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\IccLookupTableAToBTagTypeVB.icc")
End Sub
C#Copy Code
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 
   IccProfileExtended iccProfile = new IccProfileExtended(@"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\EmptyIcc.icc"); 
 
   // "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 
   iccProfile.GenerateIccFile(@"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\IccLookupTableAToBTagTypeCS.icc"); 
}

Remarks

Inheritance Hierarchy

System.Object
   Leadtools.ColorConversion.IccTagTypeBase
      Leadtools.ColorConversion.IccLookupTableAToBTagType

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also