DocumentConverterPreprocessor Class

Summary

Manages the pre-processing options of the document converter.

Syntax

C++

Java

public class DocumentConverterPreprocessor

Public Class DocumentConverterPreprocessor

public ref class DocumentConverterPreprocessor

public class DocumentConverterPreprocessor

Remarks

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.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Document.Writer; 
using Leadtools.Svg; 
using LeadtoolsExamples.Common; 
using Leadtools.Document; 
using Leadtools.Caching; 
using Leadtools.Annotations.Engine; 
using Leadtools.Ocr; 
using Leadtools.Document.Converter; 
using Leadtools.Annotations.Rendering; 
 
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); 
         } 
      } 
   } 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.Document.Writer 
Imports Leadtools.Svg 
Imports Leadtools.Document 
Imports Leadtools.Caching 
Imports Leadtools.Annotations.Engine 
Imports Leadtools.Ocr 
Imports Leadtools.Document.Converter 
Imports LeadtoolsDocumentConverterExamples.LeadtoolsExamples.Common 
 
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

Requirements

Target Platforms

Reference

DocumentConverterPreprocessor Members

Leadtools.Document.Converter Namespace

Using LEADTOOLS Document Converter

Programming with the LEADTOOLS .NET OCR

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Help Version 21.0.2021.6.30

Leadtools.Document.Converter Assembly

Introduction

Getting Started

Namespaces

Leadtools.Document.Converter Namespace

Assemblies