CropCommand Class

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

public class CropCommand : RasterCommand, IRasterCommand

'Declaration
 
Public Class CropCommand 
   Inherits RasterCommand
   Implements IRasterCommand

'Usage
 
Dim instance As CropCommand

public sealed class CropCommand : IRasterCommand

@interface LTCropCommand : LTRasterCommand

public class CropCommand extends RasterCommand

function Leadtools.ImageProcessing.CropCommand()

public ref class CropCommand : public RasterCommand, IRasterCommand

If a region is defined for the image, the region is also cropped if necessary.

For more information, refer to Introduction to Image Processing With LEADTOOLS.

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

Copy Code

Imports Leadtools
  Imports Leadtools.Codecs
  Imports Leadtools.ImageProcessing

  Public Sub CropCommandExample()
   Dim codecs As RasterCodecs = New RasterCodecs()

   Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")
   Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "CropCommand.bmp")

   ' Load the source image from disk
   Dim image As RasterImage = codecs.Load(srcFileName)

   ' Crop 100 pixels from each side of the image
   Dim command As CropCommand = New CropCommand()
   command.Rectangle = New LeadRect(100, 100, image.Width - 100, image.Height - 100)
   command.Run(image)

   ' Save it to disk
   codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24)

   ' Clean Up
   image.Dispose()
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;

      
public void CropCommandExample()
{
   RasterCodecs codecs = new RasterCodecs();
   string srcFileName = Path.Combine(ImagesPath.Path, "Image1.cmp");
   string destFileName = Path.Combine(ImagesPath.Path, "CropCommand.bmp");

   // Load the source image from disk
   RasterImage image = codecs.Load(srcFileName);

   // Crop 100 pixels from each side of the image
   CropCommand command = new CropCommand();
   command.Rectangle = new LeadRect(
      100,
      100,
      image.Width - 100,
      image.Height - 100);
   command.Run(image);

   // Save it to disk
   codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24);

   // Clean Up
   image.Dispose();
   codecs.Dispose();
}

RasterCommandExamples.prototype.CropCommandExample = function () {
    Tools.SetLicense();
    with (Leadtools) {
        with (Leadtools.Codecs) {
            with (Leadtools.ImageProcessing) {
                var codecs = new RasterCodecs();

                var srcFileName = "Assets\\Image1.cmp";
                var destFileName = "CropCommand.bmp";
                var image;
                // Load the source image from disk
                return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) {
                    return codecs.loadAsync(LeadStreamFactory.create(loadFile))
                })
                .then(function (img) {
                    image = img;

                    // Crop 100 pixels from each side of the image
                    var command = new CropCommand();
                    command.rectangle = LeadRectHelper.create(
                       100,
                       100,
                       image.width - 100,
                       image.height - 100);
                    command.run(image);

                    // Save it to disk
                    return Tools.AppLocalFolder().createFileAsync(destFileName)
                })
                .then(function (saveFile) {
                    return codecs.saveAsync(image, LeadStreamFactory.create(saveFile), RasterImageFormat.bmp, 24)
                })
                .then(function () {

                    // Clean Up
                    image.close();
                });
            }
        }
    }
}

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;

      
public async Task CropCommandExample()
{
   RasterCodecs codecs = new RasterCodecs();
   string srcFileName = @"Assets\Image1.cmp";
   string destFileName = @"CropCommand.bmp";

   // Load the source image from disk
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Crop 100 pixels from each side of the image
   CropCommand command = new CropCommand();
   command.Rectangle = LeadRectHelper.Create(
      100,
      100,
      image.Width - 100,
      image.Height - 100);
   command.Run(image);

   // Save it to disk
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Bmp, 24);

   // Clean Up
   image.Dispose();
}

using Leadtools;
using Leadtools.Codecs;
using Leadtools.Examples;
using Leadtools.ImageProcessing;
using Leadtools.Windows.Media;

public void CropCommandExample(RasterImage image, Stream destStream)
{
   RasterCodecs codecs = new RasterCodecs();
   // Crop 100 pixels from each side of the image
   CropCommand command = new CropCommand();
   command.Rectangle = new LeadRect(
      100,
      100,
      image.Width - 100,
      image.Height - 100);
   command.Run(image);

   // Save it to disk
   codecs.Save(image, destStream, RasterImageFormat.Bmp, 24);

   // Clean Up
   image.Dispose();
}

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.Windows.Media

Public Sub CropCommandExample(ByVal image As RasterImage, ByVal destStream As Stream)
   Dim codecs As RasterCodecs = New RasterCodecs()
   ' Crop 100 pixels from each side of the image
   Dim command As CropCommand = New CropCommand()
   command.Rectangle = New LeadRect(100, 100, image.Width - 100, image.Height - 100)
   command.Run(image)

   ' Save it to disk
   codecs.Save(image, destStream, RasterImageFormat.Bmp, 24)

   ' Clean Up
   image.Dispose()
End Sub

Target Platforms

Reference

CropCommand Members
Leadtools.ImageProcessing Namespace