ByteScout PDF Suite - VB6 - Convert scanned pdf to text with pdf extractor sdk - ByteScout

ByteScout PDF Suite – VB6 – Convert scanned pdf to text with pdf extractor sdk

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How to convert scanned pdf to text with pdf extractor sdk in VB6 with ByteScout PDF Suite

Continuous learning is a crucial part of computer science and this tutorial shows how to convert scanned pdf to text with pdf extractor sdk in VB6

The sample source codes on this page shows how to convert scanned pdf to text with pdf extractor sdk in VB6. ByteScout PDF Suite is the bundle that provides six different SDK libraries to work with PDF from generating rich PDF reports to extracting data from PDF documents and converting them to HTML. This bundle includes PDF (Generator) SDK, PDF Renderer SDK, PDF Extractor SDK, PDF to HTML SDK, PDF Viewer SDK and PDF Generator SDK for Javascript and you can use it to convert scanned pdf to text with pdf extractor sdk with VB6.

Want to save time? You will save a lot of time on writing and testing code as you may just take the VB6 code from ByteScout PDF Suite for convert scanned pdf to text with pdf extractor sdk below and use it in your application. Just copy and paste the code into your VB6 application’s code and follow the instructions. This basic programming language sample code for VB6 will do the whole work for you to convert scanned pdf to text with pdf extractor sdk.

The trial version of ByteScout PDF Suite can be downloaded for free from our website. It also includes source code samples for VB6 and other programming languages.

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Form1.frm
      
VERSION 5.00 Begin VB.Form Form1 Caption = "Scanned PDF to Text" ClientHeight = 1095 ClientLeft = 120 ClientTop = 465 ClientWidth = 3675 LinkTopic = "Form1" ScaleHeight = 1095 ScaleWidth = 3675 StartUpPosition = 3 'Windows Default Begin VB.CommandButton cmd_scanned_pdf_to_text Caption = "Convert Scanned PDF to Text" Height = 855 Left = 120 TabIndex = 0 Top = 120 Width = 3495 End End Attribute VB_Name = "Form1" Attribute VB_GlobalNameSpace = False Attribute VB_Creatable = False Attribute VB_PredeclaredId = True Attribute VB_Exposed = False Private Sub cmd_scanned_pdf_to_text_Click() ' Hanlde Error On Error GoTo ErrorHandler: ' Create Bytescout.PDFExtractor.TextExtractor object Set extractor = CreateObject("Bytescout.PDFExtractor.TextExtractor") ' Set Registration name and key extractor.RegistrationName = "demo" extractor.RegistrationKey = "demo" ' Load sample PDF document extractor.LoadDocumentFromFile "sample.pdf" ' Enable Optical Character Recognition (OCR) extractor.OCRMode = 1 ' OCRMode.Auto = 1 ' Set the location of OCR language data files extractor.OCRLanguageDataFolder = "c:\Program Files\Bytescout PDF Extractor SDK\ocrdata" ' Set OCR language ' "eng" for english, "deu" for German, "fra" for French, "spa" for Spanish etc - according to files in "ocrdata" folder. extractor.OCRLanguage = "eng" ' Find more language files at https://github.com/bytescout/ocrdata ' Set PDF document rendering resolution extractor.OCRResolution = 300 ' You can also apply various preprocessing filters to improve the recognition on low-quality scans. ' But they significantly hit the performance, so do not enable them by default. ' Automatically deskew skewed scans 'extractor.OCRImagePreprocessingFilters.AddDeskew() ' Remove vertical or horizontal lines (sometimes helps to avoid OCR engine's page segmentation errors) 'extractor.OCRImagePreprocessingFilters.AddVerticalLinesRemover() 'extractor.OCRImagePreprocessingFilters.AddHorizontalLinesRemover() ' Repair broken letters 'extractor.OCRImagePreprocessingFilters.AddDilate() ' Remove noise 'extractor.OCRImagePreprocessingFilters.AddMedian() ' Apply Gamma Correction 'extractor.OCRImagePreprocessingFilters.AddGammaCorrection() ' Add Contrast ' extractor.OCRImagePreprocessingFilters.AddContrast(20) ' (!) You can use new OCRAnalyzer class to find an optimal set of image preprocessing ' filters for your specific document. ' See "OCR Analyser" example. ' Peform Save to Text file extractor.SaveTextToFile "output.txt" ' Show Success Message MsgBox "Extracted data from scanned PDF are saved to 'output.text' file.", vbInformation, "Success" ' Close form Unload Me ErrorHandler: If Err.Number <> 0 Then MsgBox Err.Description, vbInformation, "Error" End If End Sub

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Scanned_PDF_To_Text.vbp
      
Type=Exe Reference=*\G{00020430-0000-0000-C000-000000000046}#2.0#0#..\..\..\..\..\..\..\..\..\Windows\SysWOW64\stdole2.tlb#OLE Automation Reference=*\G{F1D62CEE-68AA-4F38-9DB0-8021C13255D8}#9.1#0#..\..\..\..\..\..\..\..\..\WINDOWS\SYSWOW64\Bytescout.PDFRenderer.tlb#ByteScout PDF Renderer SDK [TRIAL] Form=Form1.frm Startup="Form1" Command32="" Name="ScannedPDFToText" HelpContextID="0" CompatibleMode="0" MajorVer=1 MinorVer=0 RevisionVer=0 AutoIncrementVer=0 ServerSupportFiles=0 VersionCompanyName="Hiren" CompilationType=0 OptimizationType=0 FavorPentiumPro(tm)=0 CodeViewDebugInfo=0 NoAliasing=0 BoundsCheck=0 OverflowCheck=0 FlPointCheck=0 FDIVCheck=0 UnroundedFP=0 StartMode=0 Unattended=0 Retained=0 ThreadPerObject=0 MaxNumberOfThreads=1

ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout PDF Suite Home Page

Explore ByteScout PDF Suite Documentation

Explore Samples

Sign Up for ByteScout PDF Suite Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

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ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout PDF Suite Home Page

Explore ByteScout PDF Suite Documentation

Explore Samples

Sign Up for ByteScout PDF Suite Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

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