GrayScaleToDuotoneCommand Constructor(RasterColor[],RasterColor,GrayScaleToDuotoneCommandMixingType)

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public GrayScaleToDuotoneCommand( 
   RasterColor[] newColor,
   RasterColor color,
   GrayScaleToDuotoneCommandMixingType type
)

'Declaration
 
Public Function New( _
   ByVal newColor() As RasterColor, _
   ByVal color As RasterColor, _
   ByVal type As GrayScaleToDuotoneCommandMixingType _
)

'Usage
 
Dim newColor() As RasterColor
Dim color As RasterColor
Dim type As GrayScaleToDuotoneCommandMixingType
 
Dim instance As New GrayScaleToDuotoneCommand(newColor, color, type)

public GrayScaleToDuotoneCommand( 
   RasterColor[] newColor,
   RasterColor color,
   GrayScaleToDuotoneCommandMixingType type
)

function GrayScaleToDuotoneCommand( 
   newColor ,
   color ,
   type 
)

public:
GrayScaleToDuotoneCommand( 
   array<RasterColor>^ newColor,
   RasterColor color,
   GrayScaleToDuotoneCommandMixingType type
)

Parameters

newColor: Array of Leadtools.RasterColor structures that specifies colors that will be mixed with the original gray values. If this parameter is set to null, the Color property must contain a valid color. Pass null when you want the command to create the array of colors, two colors when replacing both colors in a binary image, or 256 colors when using a custom array of colors.
color: Used to create an array of colors internally. This parameter is used when the NewColor structure is set to null. This parameter is ignored if the NewColor value is something other than null.
type: Enumeration that indicates whether colors will be mixed or replaced.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Public Sub GrayScaleToDuetoneConstructorExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

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

   ' Prepare the command
   Dim array() As RasterColor
   Dim i As Integer
   ReDim array(255)

   For i = 0 To 255
      array(i) = New RasterColor(255, CType(i \ 4, Byte), CType(i, Byte))
   Next

   'Apply duotone conversion.
   Dim command As GrayScaleToDuotoneCommand = New GrayScaleToDuotoneCommand(array, Nothing, GrayScaleToDuotoneCommandMixingType.ReplaceOldWithNew)
   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 GrayScaleToDuotoneConstructorExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

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

      // Prepare the command
      RasterColor[] array = new RasterColor[256];

      for (int i = 0; i < 256; i++)
         array[i] = new RasterColor(255, (byte)(i / 4), (byte)(i));

      //Apply duotone conversion.
      GrayScaleToDuotoneCommand command = new GrayScaleToDuotoneCommand(array, new RasterColor(0, 0, 0), GrayScaleToDuotoneCommandMixingType.ReplaceOldWithNew);
      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 GrayScaleToDuotoneConstructorExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Load the image
   string srcFileName = @"Assets\IMAGE2.dcm";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Prepare the command
   RasterColor[] array = new RasterColor[256];

   for (int i = 0; i < 256; i++)
      array[i] = RasterColorHelper.Create(255, (byte)(i / 4), (byte)(i));

   //Apply duotone conversion.
   GrayScaleToDuotoneCommand command = new GrayScaleToDuotoneCommand(array, RasterColorHelper.Create(0, 0, 0), GrayScaleToDuotoneCommandMixingType.ReplaceOldWithNew);
   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 GrayScaleToDuotoneConstructorExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   RasterColor[] array = new RasterColor[256];
   for (int i = 0; i < 256; i++)
      array[i] = new RasterColor(255, (byte)(i / 4), (byte)(i));

   //Apply duotone conversion.
   GrayScaleToDuotoneCommand command = new GrayScaleToDuotoneCommand(array, new RasterColor(0, 0, 0), GrayScaleToDuotoneCommandMixingType.ReplaceOldWithNew);
   command.Run(image);

   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
   image.Dispose();
}

Public Sub GrayScaleToDuotoneConstructorExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim array As RasterColor() = New RasterColor(255){}
   For i As Integer = 0 To 255
      array(i) = New RasterColor(255, CByte(i / 4), CByte(i))
   Next i

   'Apply duotone conversion.
   Dim command As GrayScaleToDuotoneCommand = New GrayScaleToDuotoneCommand(array, New RasterColor(0, 0, 0), GrayScaleToDuotoneCommandMixingType.ReplaceOldWithNew)
   command.Run(image)

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

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

Reference

GrayScaleToDuotoneCommand Class
GrayScaleToDuotoneCommand Members
Overload List