LEADTOOLS Image Processing (Leadtools.ImageProcessing.Color assembly)
LEAD Technologies, Inc

RemapIntensityCommand Constructor(RemapIntensityCommandFlags,Int32[])

Example 





Determines the color channel that will be used. For more information, refer to Leadtools.ImageProcessing.RasterColorChannel.
Table of integers containing lookup values.
Initializes a new RemapIntensityCommand class object with explicit parameters. .NET support WinRT support Silverlight support
Syntax
public RemapIntensityCommand( 
   RemapIntensityCommandFlags flags,
   int[] lookupTable
)
'Declaration
 
Public Function New( _
   ByVal flags As RemapIntensityCommandFlags, _
   ByVal lookupTable() As Integer _
)
'Usage
 
Dim flags As RemapIntensityCommandFlags
Dim lookupTable() As Integer
 
Dim instance As New RemapIntensityCommand(flags, lookupTable)
public RemapIntensityCommand( 
   RemapIntensityCommandFlags flags,
   int[] lookupTable
)
function RemapIntensityCommand( 
   flags ,
   lookupTable 
)
public:
RemapIntensityCommand( 
   RemapIntensityCommandFlags flags,
   array<int>^ lookupTable
)

Parameters

flags
Determines the color channel that will be used. For more information, refer to Leadtools.ImageProcessing.RasterColorChannel.
lookupTable
Table of integers containing lookup values.
Example
 
Public Sub RemapIntensityConstructorExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"))

   ' Prepare the command
   'This example will darken loaded image by using lookup table affected by exponential function.
   Dim LookupTable() As Integer ' Array to hold lookup table.
   ReDim LookupTable(255)
   'Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
   LookupTable(0) = 255
   LookupTable(255) = 0
   EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear)

   Dim command As RemapIntensityCommand = New RemapIntensityCommand(RemapIntensityCommandFlags.Master, LookupTable)
   command.Run(leadImage)
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)

End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
public void RemapIntensityConstructorExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));

      // Prepare the command
      //This example will darken loaded image by using lookup table affected by exponential function.
      int[] LookupTable = new int[256]; // Array to hold lookup table.
      //Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
      LookupTable[0] = 255;
      LookupTable[255] = 0;

      EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear);
      RemapIntensityCommand command = new RemapIntensityCommand(RemapIntensityCommandFlags.Master, LookupTable);
      command.Run(image);
      codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);

   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
[TestMethod]
public async Task RemapIntensityConstructorExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Load the image
   string srcFileName = @"Assets\Image1.cmp";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Prepare the command
   //This example will darken loaded image by using lookup table affected by exponential function.
   int[] LookupTable = new int[256]; // Array that contains the initialized lookup table.
   //Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
   LookupTable[0] = 255;
   LookupTable[255] = 0;

   int[] retLookupTable = EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear);
   RemapIntensityCommand command = new RemapIntensityCommand(RemapIntensityCommandFlags.Master, retLookupTable);
   command.Run(image);

   string destFileName = @"result.jpg";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Jpeg, 0);
}
public void RemapIntensityConstructorExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   //This example will darken loaded image by using lookup table affected by exponential function.
   int[] LookupTable = new int[256]; // Array to hold lookup table.
   //Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
   LookupTable[0] = 255;
   LookupTable[255] = 0;
   EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear);
   RemapIntensityCommand command = new RemapIntensityCommand(RemapIntensityCommandFlags.Master, LookupTable);
   command.Run(image);

   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
   image.Dispose();
}
Public Sub RemapIntensityConstructorExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   'This example will darken loaded image by using lookup table affected by exponential function.
   Dim LookupTable As Integer() = New Integer(255){} ' Array to hold lookup table.
   'Get Lookup table where the array calculated by the linear function for all the items of the array is from 0 - 255.
   LookupTable(0) = 255
   LookupTable(255) = 0
   EffectsUtilities.GetFunctionalLookupTable(LookupTable, 0, 255, 5, FunctionalLookupTableFlags.Linear)
   Dim command As RemapIntensityCommand = New RemapIntensityCommand(RemapIntensityCommandFlags.Master, LookupTable)
   command.Run(image)

   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
   image.Dispose()
End Sub
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

RemapIntensityCommand Class
RemapIntensityCommand Members
Overload List

 

 


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