ByteScout PDF Suite – C# – TextExtractor Progress Indication with PDF Extractor SDK

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ByteScout PDF Suite – C# – TextExtractor Progress Indication with PDF Extractor SDK

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ByteScout-PDF-Suite-C-sharp-TextExtractor-Progress-Indication-with-PDF-Extractor-SDK.pdf

textextractor progress indication with PDF extractor SDK in C# using ByteScout PDF Suite

Learn to code in C# to make textextractor progress indication with PDF extractor SDK with this simple How-To tutorial

This page explains the steps and algorithm of implementing textextractor progress indication with PDF extractor SDK and how to make it work in your application. ByteScout PDF Suite was made to help with textextractor progress indication with PDF extractor SDK in C#. ByteScout PDF Suite is the set that includes 6 SDK products 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.

C# code snippet like this for ByteScout PDF Suite works best when you need to quickly implement textextractor progress indication with PDF extractor SDK in your C# application. To use textextractor progress indication with PDF extractor SDK in your C# project or application just copy & paste the code and then run your app! These C# sample examples can be used in one or many applications.

Our website gives free trial version of ByteScout PDF 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 TextExtractorProgressChangedEvent
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                //Read all file content...
                using (TextExtractor extractor = new TextExtractor())
                {
                    // Load document
                    extractor.LoadDocumentFromFile("sample.png");

                    // Extractor Progress event
                    Console.WriteLine("Text Extraction in progress: \n");
                    extractor.ProgressChanged += Extractor_ProgressChanged;

                    // Set option to repair text
                    extractor.OCRMode = OCRMode.TextFromImagesAndVectorsAndRepairedFonts;

                    // 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 OCR 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;

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


            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }

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

        /// <summary>
        /// Handle progress change event
        /// </summary>
        private static void Extractor_ProgressChanged(object sender, OngoingOperation ongoingOperation, double progress, ref bool cancel)
        {
            drawTextProgressBar(Convert.ToInt32(progress), 100);
        }

        /// <summary>
        /// Display progress bar
        /// </summary>
        private static void drawTextProgressBar(int progress, int total)
        {
            //draw empty progress bar
            Console.CursorLeft = 0;
            Console.Write("["); //start
            Console.CursorLeft = 32;
            Console.Write("]"); //end
            Console.CursorLeft = 1;
            float onechunk = 30.0f / total;

            //draw filled part
            int position = 1;
            for (int i = 0; i < onechunk * progress; i++)
            {
                Console.BackgroundColor = ConsoleColor.Green;
                Console.CursorLeft = position++;
                Console.Write(" ");
            }

            //draw unfilled part
            for (int i = position; i <= 31; i++)
            {
                Console.BackgroundColor = ConsoleColor.Gray;
                Console.CursorLeft = position++;
                Console.Write(" ");
            }

            //draw totals
            Console.CursorLeft = 35;
            Console.BackgroundColor = ConsoleColor.Black;
            Console.Write(progress.ToString() + " of " + total.ToString() + "    "); //blanks at the end remove any excess
        }
    }
}