LEADTOOLS Image Processing (Leadtools.ImageProcessing.Core assembly)

AutoCropRectangleCommand Class

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Example 







Members 
Gets the rectangle to be used to trim the image if AutoCropCommand were used.
Object Model
Syntax
'Declaration
 
Public Class AutoCropRectangleCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As AutoCropRectangleCommand
public sealed class AutoCropRectangleCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTAutoCropRectangleCommand : LTRasterCommand
public class AutoCropRectangleCommand extends RasterCommand
function Leadtools.ImageProcessing.Core.AutoCropRectangleCommand()
public ref class AutoCropRectangleCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand  
Remarks
Example
Copy Code  
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub AutoCropRectangleCommandExample()
   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 command As AutoCropRectangleCommand = New AutoCropRectangleCommand
   command.Threshold = 0
   command.Run(leadImage)
   MessageBox.Show("Left = " + command.Rectangle.Left.ToString() + Chr(13) + "Top = " + command.Rectangle.Top.ToString() + Chr(13) + "Right = " + command.Rectangle.Right.ToString() + Chr(13) + "Bottom = " + command.Rectangle.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 AutoCropRectangleCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;

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

   // Prepare the command
   AutoCropRectangleCommand command = new AutoCropRectangleCommand();
   command.Threshold = 0;
   command.Run(image);
   MessageBox.Show("Left = " + command.Rectangle.Left.ToString() + "\n" +
         "Top = " + command.Rectangle.Top.ToString() + "\n" +
         "Right = " + command.Rectangle.Right.ToString() + "\n" +
         "Bottom = " + command.Rectangle.Bottom.ToString());

}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
function AutoCropRectangleCommandExample()
{
   var codecs = new Leadtools.Codecs.RasterCodecs();
   codecs.throwExceptionsOnInvalidImages = true;

   // Load the image
   var srcFileName = "Assets\\IMAGE1.CMP";
   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 AutoCropRectangleCommand();
         command.threshold = 0;
         command.run(image);
         console.error("Left = " + command.rectangle.x.toString() + "\n" +
               "Top = " + command.rectangle.y.toString() + "\n" +
               "Right = " + command.rectangle.width.toString() + "\n" +
               "Bottom = " + command.rectangle.height.toString());
      }
   });
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public async Task AutoCropRectangleCommandExample()
{
   // 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
   AutoCropRectangleCommand command = new AutoCropRectangleCommand();
   command.Threshold = 0;
   command.Run(image);
   Debug.WriteLine("Left = " + command.Rectangle.X.ToString() + "\n" +
         "Top = " + command.Rectangle.Y.ToString() + "\n" +
         "Right = " + command.Rectangle.Width.ToString() + "\n" +
         "Bottom = " + command.Rectangle.Height.ToString());

}
using Leadtools;
using Leadtools.Examples;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

public void AutoCropRectangleCommandExample(RasterImage image)
{
   // Prepare the command
   AutoCropRectangleCommand command = new AutoCropRectangleCommand();
   command.Threshold = 0;
   command.Run(image);
   Debug.WriteLine("Left = " + command.Rectangle.Left.ToString() + "\n" +
         "Top = " + command.Rectangle.Top.ToString() + "\n" +
         "Right = " + command.Rectangle.Right.ToString() + "\n" +
         "Bottom = " + command.Rectangle.Bottom.ToString());
   image.Dispose();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub AutoCropRectangleCommandExample(ByVal image As RasterImage)
   ' Prepare the command
   Dim command As AutoCropRectangleCommand = New AutoCropRectangleCommand()
   command.Threshold = 0
   command.Run(image)
   Debug.WriteLine("Left = " & command.Rectangle.Left.ToString() & Constants.vbLf & "Top = " & command.Rectangle.Top.ToString() & _
                   Constants.vbLf & "Right = " & command.Rectangle.Right.ToString() & Constants.vbLf & "Bottom = " & _
                   command.Rectangle.Bottom.ToString())
   image.Dispose()
End Sub
Requirements

Target Platforms

See Also

Reference

AutoCropRectangleCommand Members
Leadtools.ImageProcessing.Core Namespace
Introduction to Image Processing With LEADTOOLS
AutoCropCommand Class
Leadtools.ImageProcessing.CropCommand
Leadtools.ImageProcessing.CopyRectangleCommand
WindowLevelCommand Class

 

 


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