VintaSoft Imaging .NET SDK v8.7
Vintasoft.Imaging.ImageProcessing Namespace / CropCommand Class
Members Example



In This Topic
    CropCommand Class
    In This Topic
    Crops specified region of an image.
    Object Model
    CropCommand ClassRegionOfInterest ClassProcessingCommandResults ClassProcessingCommandResult Class
    Syntax
    'Declaration
     
    Public Class CropCommand 
       Inherits ProcessingCommandWithRegion
    public class CropCommand : ProcessingCommandWithRegion 
    public __gc class CropCommand : public ProcessingCommandWithRegion 
    public ref class CropCommand : public ProcessingCommandWithRegion 
    Example
    This example shows how to load an image from disk, crop the specified region of the image and save the result to a new image file.
    Class CropCommandExample
        Public Sub ProcessImage()
            ' [ do not forget to set your image file path here! ]
            ' open an existing image
            Dim image As New Vintasoft.Imaging.VintasoftImage("Flower.jpg")
                
            ' create the command
            Dim command As New Vintasoft.Imaging.ImageProcessing.CropCommand(New System.Drawing.Rectangle(10, 10, image.Width - 10, image.Height - 10))
            ' subscribe to progress event
            AddHandler command.Progress, New System.EventHandler(Of Vintasoft.Imaging.ImageProcessing.ImageProcessingProgressEventArgs)(AddressOf command_Progress)
                
            Try
                ' execute the command
                command.ExecuteInPlace(image)
            Catch ex As Vintasoft.Imaging.ImageProcessing.ImageProcessingException
                ' show error message if problem occured
                System.Windows.Forms.MessageBox.Show(ex.Message)
                Return
            End Try
                
            ' save the processed image to the new file
            image.Save("processed-image.tif")
        End Sub
                
        Private Sub command_Progress(sender As Object, e As Vintasoft.Imaging.ImageProcessing.ImageProcessingProgressEventArgs)
            ' update progress info using e.Progress property
            ' ...
                
            ' cancel execution of command using e.Cancel property if necessary
            ' ...
        End Sub
    End Class
    class CropCommandExample
    {
        public void ProcessImage()
        {
            // [ do not forget to set your image file path here! ]
            // open an existing image
            Vintasoft.Imaging.VintasoftImage image = new Vintasoft.Imaging.VintasoftImage("Flower.jpg");
                
            // create the command
            Vintasoft.Imaging.ImageProcessing.CropCommand command =
                new Vintasoft.Imaging.ImageProcessing.CropCommand(
                    new System.Drawing.Rectangle(10, 10, image.Width - 10, image.Height - 10));
            // subscribe to progress event
            command.Progress +=
                new System.EventHandler<Vintasoft.Imaging.ImageProcessing.ImageProcessingProgressEventArgs>(command_Progress);
                
            try
            {
                // execute the command
                command.ExecuteInPlace(image);
            }
            catch (Vintasoft.Imaging.ImageProcessing.ImageProcessingException ex)
            {
                // show error message if problem occured
                System.Windows.Forms.MessageBox.Show(ex.Message);
                return;
            }
                
            // save the processed image to the new file
            image.Save("processed-image.tif");
        }
                
        void command_Progress(object sender, Vintasoft.Imaging.ImageProcessing.ImageProcessingProgressEventArgs e)
        {
            // update progress info using e.Progress property
            // ...
                
            // cancel execution of command using e.Cancel property if necessary
            // ...
        }
    }
    Inheritance Hierarchy
    Requirements

    Target Platforms: Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows Server 2012, Windows Server 2008, Windows Server 2003

    See Also