DocumentConverterPreprocessor Class

C#
Visual Basic
Objective-C
Java
C++

public class DocumentConverterPreprocessor

'Declaration

Public Class DocumentConverterPreprocessor

'Usage

Dim instance As DocumentConverterPreprocessor

public class DocumentConverterPreprocessor

public ref class DocumentConverterPreprocessor

DocumentConverterPreprocessor manages the pre-processing options of the document converter and can be accessed through the Preprocessor property of DocumentConverter.

This class contains the following members:

Member	Description
Deskew	Automatically correct the skew angle if found in pages.
Orient	Automatically correct the orientation of rotated pages.
Invert	Automatically correct inverted pages.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.Forms.DocumentWriters
Imports Leadtools.Svg
Imports Leadtools.Documents
Imports Leadtools.Caching
Imports Leadtools.Annotations.Core
Imports Leadtools.Forms.Ocr
Imports Leadtools.Documents.Converters

<TestMethod> _
Public Sub DocumentConverterPreprocessorExample()
   Using documentConverter As New DocumentConverter()
      documentConverter.Diagnostics.EnableTrace = True
      documentConverter.Preprocessor.Deskew = True
      Dim inFile As String = Path.Combine(ImagesPath.Path, "ocr1.tif")
      Dim outFile As String = Path.Combine(ImagesPath.Path, "oc1deskew.tif")
      Dim format As RasterImageFormat = RasterImageFormat.Tif
      Dim jobData As DocumentConverterJobData = DocumentConverterJobs.CreateJobData(inFile, outFile, format)
      jobData.JobName = "conversion job"

      Dim job As DocumentConverterJob = documentConverter.Jobs.CreateJob(jobData)
      documentConverter.Jobs.RunJob(job)

      If job.Status = DocumentConverterJobStatus.Success Then
         Console.WriteLine("Success")
      Else
         Console.WriteLine("{0} Errors", job.Status)
         For Each errorItem As DocumentConverterJobError In job.Errors
            Console.WriteLine("  {0} at {1}: {2}", errorItem.Operation, errorItem.InputDocumentPageNumber, errorItem.Error.Message)
         Next
      End If
   End Using
End Sub

using Leadtools;
using Leadtools.Codecs;
using Leadtools.Forms.DocumentWriters;
using Leadtools.Svg;
using Leadtools.Documents;
using Leadtools.Caching;
using Leadtools.Annotations.Core;
using Leadtools.Forms.Ocr;
using Leadtools.Documents.Converters;

[TestMethod]
public void DocumentConverterPreprocessorExample()
{
   using (DocumentConverter documentConverter = new DocumentConverter())
   {
      documentConverter.Diagnostics.EnableTrace = true;
      documentConverter.Preprocessor.Deskew = true;
      var inFile = Path.Combine(ImagesPath.Path, @"ocr1.tif");
      var outFile = Path.Combine(ImagesPath.Path, @"oc1deskew.tif");
      var format = RasterImageFormat.Tif;
      var jobData = DocumentConverterJobs.CreateJobData(inFile, outFile, format);
      jobData.JobName = "conversion job";

      var job = documentConverter.Jobs.CreateJob(jobData);
      documentConverter.Jobs.RunJob(job);

      if (job.Status == DocumentConverterJobStatus.Success)
      {
         Console.WriteLine("Success");
      }
      else
      {
         Console.WriteLine("{0} Errors", job.Status);
         foreach (var error in job.Errors)
         {
            Console.WriteLine("  {0} at {1}: {2}", error.Operation, error.InputDocumentPageNumber, error.Error.Message);
         }
      }
   }
}

Target Platforms

Reference

DocumentConverterPreprocessor Members
Leadtools.Documents.Converters Namespace
Using LEADTOOLS Document Converters
Leadtools.Documents.Document
Leadtools.Forms.Ocr.IOcrAutoRecognizeManager
Programming with the LEADTOOLS .NET OCR