Leadtools.ImageProcessing.Core Namespace : BlankPageDetectorCommand Class |
public class BlankPageDetectorCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
'Declaration Public Class BlankPageDetectorCommand Inherits Leadtools.ImageProcessing.RasterCommand Implements Leadtools.ImageProcessing.IRasterCommand
'Usage Dim instance As BlankPageDetectorCommand
public sealed class BlankPageDetectorCommand : Leadtools.ImageProcessing.IRasterCommand
function Leadtools.ImageProcessing.Core.BlankPageDetectorCommand()
public ref class BlankPageDetectorCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
In Silverlight and Windows Phone versions of LEADTOOLS, this image processing command will fail if the image data for the RasterImage object is stored internally using a Silverlight WriteableBitmap object. For more information, refer to Image Processing Command Limitations in Silverlight.
Public Sub BlankPageDetectorCommandExample() Dim codecs As New RasterCodecs() codecs.ThrowExceptionsOnInvalidImages = True Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif")) ' Prepare the command Dim command As BlankPageDetectorCommand = New BlankPageDetectorCommand 'Determine whether the image is blank. command.Flags = BlankPageDetectorCommandFlags.DetectNoisyPage command.Run(leadImage) MessageBox.Show(" Is Blank : " & command.IsBlank & "\n Accuracy : " & (command.Accuracy * 1.0 / 100) & "%", "Blank Page Detection Results") End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void BlankPageDetectorCommandExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif")); // Prepare the command BlankPageDetectorCommand command = new BlankPageDetectorCommand(); //Determine whether the image is a blank page command.Flags = BlankPageDetectorCommandFlags.DetectNoisyPage; command.Run(image); MessageBox.Show(" Is Blank : " + command.IsBlank + "\n Accuracy : " + (command.Accuracy * 1.0 / 100) + "%", "Blank Page Detection Results"); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
function BlankPageDetectorCommandExample() { var codecs = new Leadtools.Codecs.RasterCodecs(); codecs.throwExceptionsOnInvalidImages = true; // Load the image var srcFileName = "Assets\\Clean.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 BlankPageDetectorCommand(); //Determine whether the image is a blank page command.flags = BlankPageDetectorCommandFlags.detectNoisyPage; command.run(image); console.error(" Is Blank : " + command.isBlank + "\n Accuracy : " + (command.accuracy * 1.0 / 100) + "% ", "Blank Page Detection Results"); } }); }
[TestMethod] public async Task BlankPageDetectorCommandExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; // Load the image string srcFileName = @"Assets\Clean.tif"; StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName); RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile)); // Prepare the command BlankPageDetectorCommand command = new BlankPageDetectorCommand(); //Determine whether the image is a blank page command.Flags = BlankPageDetectorCommandFlags.DetectNoisyPage; command.Run(image); Debug.WriteLine(" Is Blank : " + command.IsBlank + "\n Accuracy : " + (command.Accuracy * 1.0 / 100) + "%", "Blank Page Detection Results"); }
public void BlankPageDetectorCommandExample(RasterImage image) { // Prepare the command BlankPageDetectorCommand command = new BlankPageDetectorCommand(); //Determine whether the image is a blank page command.Flags = BlankPageDetectorCommandFlags.DetectNoisyPage; command.Run(image); Debug.WriteLine(" Is Blank : " + command.IsBlank + "\n Accuracy : " + (command.Accuracy * 1.0 / 100) + "%", "Blank Page Detection Results", MessageBoxButton.OK); image.Dispose(); }
Public Sub BlankPageDetectorCommandExample(ByVal image As RasterImage)
' Prepare the command
Dim command As BlankPageDetectorCommand = New BlankPageDetectorCommand()
'Determine whether the image is a blank page
command.Flags = BlankPageDetectorCommandFlags.DetectNoisyPage
command.Run(image)
Debug.WriteLine(" Is Blank : " & command.IsBlank + Constants.vbLf & " Accuracy : " & (command.Accuracy * 1.0 / 100) & "%", _
"Blank Page Detection Results", MessageBoxButton.OK)
image.Dispose()
End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2