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LineProfileCommand Class

Summary

Allocates three arrays and updates them with the R, G and B profile for each pixel in a specific line.

Syntax

C#
VB
Java
Objective-C
WinRT C#
C++
public class LineProfileCommand : RasterCommand 
@interface LTLineProfileCommand : LTRasterCommand 
public class LineProfileCommand extends RasterCommand 
function Leadtools.ImageProcessing.Color.LineProfileCommand() 

Remarks
  • This class supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
  • This command support signed images.
  • This command does not support 32-bit grayscale images.

For more information, refer to Introduction to Image Processing With LEADTOOLS. In Silverlight versions of LEADTOOLS, this image processing command will fail if the image data for the RasterImage object is stored internally using a Silverlight WriteableBitmap object. For more information, refer to Image Processing Command Limitations in Silverlight.

Example

Run the LineProfileCommand on an image.

C#
VB
Silverlight C#
Silverlight VB
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
public void LineProfileCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "cannon.jpg")); 
 
   // Prepare the command 
   LineProfileCommand command = new LineProfileCommand(); 
   int[] redData; 
   int[] greenData; 
   int[] blueData; 
   command.FirstPoint = new LeadPoint(0, 0); 
   command.SecondPoint = new LeadPoint(50, 50); 
   command.Run(image); 
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24); 
   redData = command.RedBuffer; 
   greenData = command.GreenBuffer; 
   blueData = command.BlueBuffer; 
 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Color 
      Leadtools.Examples.Support.SetLicense() 
 
Public Sub LineProfileCommandExample() 
   Dim codecs As New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "cannon.jpg")) 
 
   ' Prepare the command 
   Dim command As LineProfileCommand = New LineProfileCommand 
   Dim redData() As Integer 
   Dim greenData() As Integer 
   Dim blueData() As Integer 
 
   command.FirstPoint = New LeadPoint(0, 0) 
   command.SecondPoint = New LeadPoint(50, 50) 
   command.Run(leadImage) 
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24) 
   redData = command.RedBuffer 
   greenData = command.GreenBuffer 
   blueData = command.BlueBuffer 
 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class 
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Examples; 
 
public void LineProfileCommandExample(RasterImage image, Stream outStream) 
{ 
   // Prepare the command 
   LineProfileCommand command = new LineProfileCommand(); 
   int[] redData; 
   int[] greenData; 
   int[] blueData; 
   command.FirstPoint = new LeadPoint(0, 0); 
   command.SecondPoint = new LeadPoint(50, 50); 
   command.Run(image); 
 
   // Save result image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24); 
   image.Dispose(); 
 
   redData = command.RedBuffer; 
   greenData = command.GreenBuffer; 
   blueData = command.BlueBuffer; 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Color 
 
Public Sub LineProfileCommandExample(ByVal image As RasterImage, ByVal outStream As Stream) 
   ' Prepare the command 
   Dim command As LineProfileCommand = New LineProfileCommand() 
   Dim redData As Integer() 
   Dim greenData As Integer() 
   Dim blueData As Integer() 
   command.FirstPoint = New LeadPoint(0, 0) 
   command.SecondPoint = New LeadPoint(50, 50) 
   command.Run(image) 
 
   ' Save result image 
   Dim codecs As RasterCodecs = New RasterCodecs() 
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24) 
   image.Dispose() 
 
   redData = command.RedBuffer 
   greenData = command.GreenBuffer 
   blueData = command.BlueBuffer 
End Sub 

Requirements

Target Platforms

Help Version 19.0.2017.10.18
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Leadtools.ImageProcessing.Color Assembly