BarCodeReadPreprocessCommand Class

C#
Visual Basic
WinRT C#
Java
Objective-C
WinRT JavaScript
C++

public class BarCodeReadPreprocessCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

'Declaration

Public Class BarCodeReadPreprocessCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand

'Usage

Dim instance As BarCodeReadPreprocessCommand

public sealed class BarCodeReadPreprocessCommand : Leadtools.ImageProcessing.IRasterCommand

@interface LTBarCodeReadPreprocessCommand : LTRasterCommand

public class BarCodeReadPreprocessCommand extends RasterCommand

function Leadtools.ImageProcessing.Core.BarCodeReadPreprocessCommand()

public ref class BarCodeReadPreprocessCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

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

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

   
Public Sub BarcodeExampleCommandExample()
   ' Load an image
   Dim Codecs As RasterCodecs = New RasterCodecs()
   Codecs.ThrowExceptionsOnInvalidImages = True
   Dim image As RasterImage = Codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "\MIXED.tif"))

   Dim command As BarCodeReadPreprocessCommand = New BarCodeReadPreprocessCommand()
   command.Options = BarCodeReadPreprocessOptions.UseAutoDocumentBinarization
   command.Run(image)

   MessageBox.Show("Barcode type is:" & command.BarcodeType & "\n" & "Barcode location is: (" & _
                   command.BarcodeLocation.Left.ToString() & ", " & command.BarcodeLocation.Top.ToString() & _
                   ", " & command.BarcodeLocation.Right.ToString() & ", " & _
                   command.BarcodeLocation.Bottom.ToString() & ", ")
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.Core;

      
public void BarcodeExampleCommandExample()
{
    // Load an image
    RasterCodecs codecs = new RasterCodecs();
    codecs.ThrowExceptionsOnInvalidImages = true;
    RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"MIXED.tif"), 24, CodecsLoadByteOrder.BgrOrGrayOrRomm, 1, 1);

    BarCodeReadPreprocessCommand command = new BarCodeReadPreprocessCommand();
    command.Options = BarCodeReadPreprocessOptions.UseAutoDocumentBinarization;
    command.Run(image);


    MessageBox.Show("Barcode type is:" + command.BarcodeType + "\n" + "Barcode location is: (" + command.BarcodeLocation.Left.ToString() + ", " + command.BarcodeLocation.Top.ToString() + ", " +
          command.BarcodeLocation.Right.ToString() + ", " + command.BarcodeLocation.Bottom .ToString()+ ", ");
}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

function AutoBinarizeCommandExample()
{
   var codecs = new Leadtools.Codecs.RasterCodecs();
   codecs.throwExceptionsOnInvalidImages = true;

   // Load the image
   var srcFileName = "Assets\\MIXED.tif";
   return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) {
      return codecs.loadAsync(Leadtools.LeadStreamFactory.create(loadFile));
   }).then(function (image){
      // Prepare the command
      with (Leadtools.ImageProcessing.Core) {
         var command = new BarCodeReadPreprocessCommand();
         command.run(image);
      }
   });
}

Target Platforms

Reference

BarCodeReadPreprocessCommand Members
Leadtools.ImageProcessing.Core Namespace