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DocumentConverterPreprocessor Class

Summary

Manages the pre-processing options of the document converter.

Syntax

Java

C++

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.Forms.DocumentWriters; 
using Leadtools.Svg; 
using LeadtoolsExamples.Common; 
using Leadtools.Documents; 
using Leadtools.Caching; 
using Leadtools.Annotations.Core; 
using Leadtools.Forms.Ocr; 
using Leadtools.Documents.Converters; 
 
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.Forms.DocumentWriters 
Imports Leadtools.Svg 
Imports Leadtools.Documents 
Imports Leadtools.Caching 
Imports Leadtools.Annotations.Core 
Imports Leadtools.Forms.Ocr 
Imports Leadtools.Documents.Converters 
Imports LeadtoolsDocumentsConvertersExamples.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.Documents.Converters Namespace

Using LEADTOOLS Document Converters

Programming with the LEADTOOLS .NET OCR

Help Version 19.0.2017.10.27

Leadtools.Documents.Converters Assembly

Introduction

Getting Started

Namespaces

Leadtools.Documents.Converters Namespace

Assemblies