
'Declaration Public Class GetRotationAngleCommand Inherits Vintasoft.Imaging.ImageProcessing.ProcessingCommandWithRegion
public class GetRotationAngleCommand : Vintasoft.Imaging.ImageProcessing.ProcessingCommandWithRegion
public __gc class GetRotationAngleCommand : public Vintasoft.Imaging.ImageProcessing.ProcessingCommandWithRegion
public ref class GetRotationAngleCommand : public Vintasoft.Imaging.ImageProcessing.ProcessingCommandWithRegion
Class GetRotationAngleCommandExample Public Sub ProcessImage() ' [ do not forget to set your image file path here! ] ' create an image collection Using images As New Vintasoft.Imaging.ImageCollection() ' add image to the image collection images.Add("Deskew.tif") Try ' create the image processing command Dim command As New Vintasoft.Imaging.ImageProcessing.Info.GetRotationAngleCommand() ' subscribe to progress event of image processing command AddHandler command.Progress, New System.EventHandler(Of Vintasoft.Imaging.ImageProcessing.ImageProcessingProgressEventArgs)(AddressOf command_Progress) Try ' for each image in image collection For Each image As Vintasoft.Imaging.VintasoftImage In images ' apply the image processing command to the image command.ExecuteInPlace(image) ' show result System.Windows.Forms.MessageBox.Show(String.Format("Rotation angle is {0} degree.", command.Angle.ToString("f2"))) Next Catch ex As Vintasoft.Imaging.ImageProcessing.ImageProcessingException ' show error message System.Windows.Forms.MessageBox.Show(ex.Message) Return End Try Finally images.ClearAndDisposeItems() End Try End Using 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 GetRotationAngleCommandExample { public void ProcessImage() { // [ do not forget to set your image file path here! ] // create an image collection using (Vintasoft.Imaging.ImageCollection images = new Vintasoft.Imaging.ImageCollection()) { // add image to the image collection images.Add("Deskew.tif"); try { // create the image processing command Vintasoft.Imaging.ImageProcessing.Info.GetRotationAngleCommand command = new Vintasoft.Imaging.ImageProcessing.Info.GetRotationAngleCommand(); // subscribe to progress event of image processing command command.Progress += new System.EventHandler<Vintasoft.Imaging.ImageProcessing.ImageProcessingProgressEventArgs>(command_Progress); try { // for each image in image collection foreach (Vintasoft.Imaging.VintasoftImage image in images) { // apply the image processing command to the image command.ExecuteInPlace(image); // show result System.Windows.Forms.MessageBox.Show(string.Format("Rotation angle is {0} degree.", command.Angle.ToString("f2"))); } } catch (Vintasoft.Imaging.ImageProcessing.ImageProcessingException ex) { // show error message System.Windows.Forms.MessageBox.Show(ex.Message); return; } } finally { images.ClearAndDisposeItems(); } } } 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 // ... } }
System.Object
Vintasoft.Imaging.ImageProcessing.ProcessingCommandBase
Vintasoft.Imaging.ImageProcessing.ProcessingCommandWithRegion
Vintasoft.Imaging.ImageProcessing.Info.GetRotationAngleCommand
Target Platforms: .NET 6; .NET 5; .NET Core 3.1; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5