Detects the boundaries of the document's content and expands it to fill the entire page space.
public class ExpandContentCommand : RasterCommand
Public Class ExpandContentCommand
Inherits RasterCommand
public ref class ExpandContentCommand : public RasterCommand
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 SpliteCommand = new AutoPageSplitterCommand();
SpliteCommand.Run(DocImage);
// Get left Page
RasterImage LeftPage = SpliteCommand.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);
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.ImageProcessing.Core
Public Sub AutoPageSplitterCommandExample()
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.ThrowExceptionsOnInvalidImages = True
'Load an image
Dim DocImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "\MultiPage_OneBit.tif"))
' Clean up border
Dim BorderCommand As BorderRemoveCommand = New BorderRemoveCommand()
BorderCommand.Flags = BorderRemoveCommandFlags.AutoRemove
BorderCommand.Run(DocImage)
'Binarize image
Dim command As ColorResolutionCommand = New ColorResolutionCommand()
command.Run(DocImage)
' Split pages
Dim SpliteCommand As AutoPageSplitterCommand = New AutoPageSplitterCommand()
SpliteCommand.Run(DocImage)
' Get left Page
Dim LeftPage As RasterImage = SpliteCommand.FirstImage
'Expand the content of the left page
Dim ExpandComment As ExpandContentCommand = New ExpandContentCommand()
ExpandComment.Run(LeftPage)
' Save the resulting image
codecs.Save(LeftPage, Path.Combine(LEAD_VARS.ImagesDir, "LeftPage.bmp"), RasterImageFormat.Bmp, 24)
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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