LeftMargin Property

Summary

Number of units to exclude from the left edge of the image.

Syntax

Objective-C

C++

Java

public int LeftMargin {get; set;}

Public Property LeftMargin As Integer

@property (nonatomic, assign) NSUInteger leftMargin

public int getLeftMargin() 
public void setLeftMargin(int value)

public: 
property int LeftMargin { 
   int get(); 
   void set (    int ); 
}

Property Value

Number of units to exclude from the left edge of the image. Possible values range from 0 to the image's width, in units determined by the value specified in Flags. Units of measure such as inches or centimeters can be used by enabling the corresponding BlankPageDetectorCommandFlags.

Example

Runs the BlankPageDetectorCommand on an image and determines whether it is blank.

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

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Core 
 
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

c#[Silverlight C# Example] 
using Leadtools; 
using Leadtools.Examples; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
 
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(); 
} 
vb[Silverlight VB Example] 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Core 
 
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

Requirements

Target Platforms

Reference

BlankPageDetectorCommand Class

BlankPageDetectorCommand Members

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Help Version 20.0.2020.4.3

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies