ByteScout Premium Suite – C# – Check If OCR Is Required for PDF with PDF Extractor SDK

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ByteScout Premium Suite – C# – Check If OCR Is Required for PDF with PDF Extractor SDK

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check if OCR is required for PDF with PDF extractor SDK in C# using ByteScout Premium Suite

How to apply ByteScout Premium Suite for check if OCR is required for PDF with PDF extractor SDK in C#

This page helps you to learn from code samples for programming in C#. ByteScout Premium Suite helps with check if OCR is required for PDF with PDF extractor SDK in C#. ByteScout Premium Suite is the set that includes 12 SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording.

C# code snippet like this for ByteScout Premium Suite works best when you need to quickly implement check if OCR is required for PDF with PDF extractor SDK in your C# application. To use check if OCR is required for PDF with PDF extractor SDK in your C# project or application just copy & paste the code and then run your app! Want to see how it works with your data then code testing will allow the function to be tested and work properly.

Our website gives free trial version of ByteScout Premium Suite. It includes all these source code samples with the purpose to assist you with your C# application implementation.

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Program.cs

      using Bytescout.PDFExtractor;
using System;

namespace CheckIfOCRIsRequired
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                // Loop through all files in directory and check whether OCR operation is required
                foreach (string filePath in System.IO.Directory.GetFiles("InputFiles"))
                {
                    _CheckOCRRequired(filePath);
                }

            }
            catch (Exception ex)
            {
                Console.WriteLine("Error: " + ex.Message);
            }

			Console.WriteLine("Press enter key to exit...");
            Console.ReadLine();
        }

        
        /// <summary>
        /// Check whether OCR Operation is required
        /// </summary>
        /// <param name="filePath"></param>
        private static void _CheckOCRRequired(string filePath)
        {
            //Read all file content...
            using (TextExtractor extractor = new TextExtractor())
            {
                extractor.RegistrationKey = "demo";
                extractor.RegistrationName = "demo";

                // Load document
                extractor.LoadDocumentFromFile(filePath);
                Console.WriteLine("\n*******************\n\nFilePath: {0}", filePath);

                int pageIndex = 0;

                // Identify OCR operation is recommended for page
                if (extractor.IsOCRRecommendedForPage(pageIndex))
                {
                    Console.WriteLine("\nOCR Recommended: True");

                    // Enable Optical Character Recognition (OCR)
                    // in .Auto mode (SDK automatically checks if needs to use OCR or not)
                    extractor.OCRMode = OCRMode.Auto;

                    // Set the location of language data files
                    extractor.OCRLanguageDataFolder = @"c:\Program Files\Bytescout PDF Extractor SDK\ocrdata\";

                    // Set OCR language
                    extractor.OCRLanguage = "eng"; // "eng" for english, "deu" for German, "fra" for French, "spa" for Spanish etc - according to files in "ocrdata" folder
                    // Find more language files at https://github.com/bytescout/ocrdata

                    // Set PDF document rendering resolution
                    extractor.OCRResolution = 300;
                }
                else
                {
                    Console.WriteLine("\nOCR Recommended: False");
                }

                //Read all text
                var allExtractedText = extractor.GetText();
                Console.WriteLine("\nExtracted Text:\n{0}\n\n", allExtractedText);
            }

        }

    }
}