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SelectDataCommand Constructor(RasterColor,Int32,Int32,Int32,Boolean)
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Leadtools.ImageProcessing.Core Namespace > SelectDataCommand Class > SelectDataCommand Constructor : SelectDataCommand Constructor(RasterColor,Int32,Int32,Int32,Boolean)




color
Color used for showing the variances in the image.
sourceLowBit
Position of the start bit that will construct the mask. The position is a zero based number. This parameter only accepts positive values.
sourceHighBit
Position of the end bit that will construct the mask. This is inclusive (it is part of the mask). The value should not be less than sourceLowBit. You can also pass -1, which is interpreted as "highest bit" (SourceImage->BitsPerPixel - 1). This parameter only accepts positive values.
threshold
Value that indicates the threshold for showing the image variances. If the mask value is greater or equal to the threshold value then the pixel will be colored using Color. See Combine for more details. This parameter only accepts positive values.
combine
A flag which tells how to color the output pixels:
  1. Pixels with values greater than or equal to the threshold value are set to the value in the color parameter(if combine is set to false) or AND-ed with color (if combine is true). In this case, the source pixel is first converted to grayscale 24-bit and then AND-ed with color.
  2. Pixels with values less than the threshold value are set to black (if combine is set to false) or The RGB pixel value will be the same as the high byte source pixel value (if combine is true). That is R = G = B = High byte values of the source pixel.
Initializes a new SelectDataCommand class object with explicit parameters.

Syntax

Visual Basic (Declaration) 
Public Function New( _
   ByVal color As RasterColor, _
   ByVal sourceLowBit As Integer, _
   ByVal sourceHighBit As Integer, _
   ByVal threshold As Integer, _
   ByVal combine As Boolean _
)
Visual Basic (Usage)Copy Code
Dim color As RasterColor
Dim sourceLowBit As Integer
Dim sourceHighBit As Integer
Dim threshold As Integer
Dim combine As Boolean
 
Dim instance As SelectDataCommand(color, sourceLowBit, sourceHighBit, threshold, combine)
C# 
public SelectDataCommand( 
   RasterColor color,
   int sourceLowBit,
   int sourceHighBit,
   int threshold,
   bool combine
)
Managed Extensions for C++ 
public: SelectDataCommand( 
   RasterColor color,
   int sourceLowBit,
   int sourceHighBit,
   int threshold,
   bool combine
)
C++/CLI 
public:
SelectDataCommand( 
   RasterColor color,
   int sourceLowBit,
   int sourceHighBit,
   int threshold,
   bool combine
)

Parameters

color
Color used for showing the variances in the image.
sourceLowBit
Position of the start bit that will construct the mask. The position is a zero based number. This parameter only accepts positive values.
sourceHighBit
Position of the end bit that will construct the mask. This is inclusive (it is part of the mask). The value should not be less than sourceLowBit. You can also pass -1, which is interpreted as "highest bit" (SourceImage->BitsPerPixel - 1). This parameter only accepts positive values.
threshold
Value that indicates the threshold for showing the image variances. If the mask value is greater or equal to the threshold value then the pixel will be colored using Color. See Combine for more details. This parameter only accepts positive values.
combine
A flag which tells how to color the output pixels:
  1. Pixels with values greater than or equal to the threshold value are set to the value in the color parameter(if combine is set to false) or AND-ed with color (if combine is true). In this case, the source pixel is first converted to grayscale 24-bit and then AND-ed with color.
  2. Pixels with values less than the threshold value are set to black (if combine is set to false) or The RGB pixel value will be the same as the high byte source pixel value (if combine is true). That is R = G = B = High byte values of the source pixel.

Example

Visual BasicCopy Code
ImageProcessing.Core.SelectDataCommand.SelectDataConstructor
   Public Sub SelectDataConstructorExample()
      RasterCodecs.Startup()
      Dim codecs As New RasterCodecs()
      codecs.ThrowExceptionsOnInvalidImages = True

      Dim leadImage As RasterImage = codecs.Load("C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Beauty16.jpg")

      ' Prepare the command
      Dim command As SelectDataCommand = New SelectDataCommand(New RasterColor(233, 10, 77), 2, 6, 25, True)
      command.Run(leadImage)
      codecs.Save(command.DestinationImage, "C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\SelectDataResult.bmp", RasterImageFormat.Bmp, 24)

      RasterCodecs.Shutdown()
   End Sub
C#Copy Code
ImageProcessing.Core.SelectDataCommand.SelectDataConstructor 
      public void SelectDataConstructorExample() 
      { 
         // Load an image 
         RasterCodecs.Startup(); 
         RasterCodecs codecs = new RasterCodecs(); 
         codecs.ThrowExceptionsOnInvalidImages = true; 
 
         RasterImage image = codecs.Load(@"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Beauty16.jpg"); 
 
         // Prepare the command 
         SelectDataCommand command = new SelectDataCommand(new RasterColor(233, 10, 77), 2, 6, 25, true); 
         command.Run(image); 
         codecs.Save(command.DestinationImage, @"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\SelectDataResult.Bmp", RasterImageFormat.Bmp, 24); 
 
         RasterCodecs.Shutdown(); 
      }

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