ExpandContentCommand Constructor

Summary

Initializes a new ExpandContentCommand class object.

Syntax

C++/CLI

Python

public ExpandContentCommand()

public: 
ExpandContentCommand();

__init__() # Default constructor

Remarks

The ExpandContentCommand automatically finds and detects the boundaries of the document's content and expands it to fill the entire page's width or height.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Core; 
 
public void AutoPageSplitterCommandExample() 
{ 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   //Load an image 
   RasterImage DocImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ScannedBook.jpg")); 
 
   //Binarize image 
   ColorResolutionCommand command = new ColorResolutionCommand(); 
   command.BitsPerPixel = 1; 
   command.Run(DocImage); 
 
   // Clean up border 
   BorderRemoveCommand BorderCommand = new BorderRemoveCommand(); 
   BorderCommand.Flags = BorderRemoveCommandFlags.AutoRemove; 
   BorderCommand.Run(DocImage); 
 
   // Split pages 
   AutoPageSplitterCommand SplitCommand = new AutoPageSplitterCommand(); 
   SplitCommand.Run(DocImage); 
 
   // Get left Page 
   RasterImage LeftPage = SplitCommand.FirstImage; 
 
   //Expand the content of the left page  
   ExpandContentCommand ExpandComment = new ExpandContentCommand(); 
   ExpandComment.Run(LeftPage); 
 
   // Save the resulting image 
   codecs.Save(LeftPage, Path.Combine(LEAD_VARS.ImagesDir, "LeftPage.bmp"), RasterImageFormat.Bmp, 24); 
 
   // Save the right page 
   codecs.Save(SplitCommand.SecondImage, Path.Combine(LEAD_VARS.ImagesDir, $"RightPageAt{SplitCommand.SplittingCoordinate}.bmp"), RasterImageFormat.Bmp, 24); 
          
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

Requirements

Target Platforms

Reference

ExpandContentCommand Class

ExpandContentCommand Members

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Help Version 23.0.2024.3.3

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies