ByteScout Data Extraction Suite – C# – Split pdf document by found barcode with barcode reader sdk

Home
/
Articles
/
ByteScout Data Extraction Suite – C# – Split pdf document by found barcode with barcode reader sdk

printable version:
ByteScout-Data-Extraction-Suite-C-sharp-Split-pdf-document-by-found-barcode-with-barcode-reader-sdk.pdf

How to split pdf document by found barcode with barcode reader sdk in C# with ByteScout Data Extraction Suite

Learning is essential in computer world and the tutorial below will demonstrate how to split pdf document by found barcode with barcode reader sdk in C#

An easy to understand sample source code to learn how to split pdf document by found barcode with barcode reader sdk in C# ByteScout Data Extraction Suite: the bundle that includes three SDK tools for data extraction from PDF, scans, images and from spreadsheets: PDF Extractor SDK, Data Extraction SDK, Barcode Reader SDK. It can split pdf document by found barcode with barcode reader sdk in C#.

This prolific sample source code in C# for ByteScout Data Extraction Suite contains various functions and other necessary options you should do calling the API to split pdf document by found barcode with barcode reader sdk. Follow the instructions from scratch to work and copy the C# code. Applying C# application mostly includes various stages of the software development so even if the functionality works please test it with your data and the production environment.

ByteScout Data Extraction Suite free trial version is available on our website. C# and other programming languages are supported.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

Program.cs

      using System;
using System.IO;
using System.Text;
using Bytescout.BarCodeReader;

namespace SplitDocumentByFoundBarcode
{
    class Program
    {
        const string InputFIle = "Barcodes.pdf";

        static void Main()
        {
            Console.WriteLine("Reading barcode(s) from PDF document {0}", Path.GetFullPath(InputFIle));

            // Create Bytescout.BarCodeReader.Reader instance
            Reader reader = new Reader();
            reader.RegistrationName = "demo";
            reader.RegistrationKey = "demo";

            // Set barcode type to find
            reader.BarcodeTypesToFind.Code39 = true;

            /* -----------------------------------------------------------------------
            NOTE: We can read barcodes from specific page to increase performance.
            For sample please refer to "Decoding barcodes from PDF by pages" program.
            ----------------------------------------------------------------------- */

            // Find barcode in PDF document
            reader.ReadFrom(InputFIle);


            // Method 1: Split PDF document in two parts by found barcode
            // NOTE: In Full version of the SDK this method is unlocked in "PRO" license type only.

            reader.SplitDocument(@"barcodes.pdf", @"part1.pdf", @"part2.pdf", reader.FoundBarcodes[0].Page + 1);


            // Method 2: Extract page containing the barcode from PDF document
            // NOTE: In Full version of the SDK this method is unlocked in "PRO" license type only.

            reader.ExtractPageFromDocument(@"barcodes.pdf", @"extracted_page.pdf", reader.FoundBarcodes[0].Page + 1);


            // Method 3: Split PDF document into parts in one pass.
            // NOTE: In Full version of the SDK this method is unlocked in "PRO" license type only.

            StringBuilder pageRanges = new StringBuilder();

            // Create string containing page ranges to extract in the form "1-4,6-8,10-11,12-". Page numbers are 1-based!
            for (int i = 0; i < reader.FoundBarcodes.Length; i++)
            {
                FoundBarcode barcode = reader.FoundBarcodes[i];

                // Add pages before the first barcode found
                if (i == 0 && barcode.Page > 0)
                {
                    pageRanges.Append("1");
                    if (barcode.Page > 1)
                    {
                        pageRanges.Append("-");
                        pageRanges.Append(barcode.Page);
                    }
                    pageRanges.Append(",");
                }

                // Add page with barcode
                pageRanges.Append(barcode.Page + 1); // +1 because we skip the page with barcode and another +1 because need 1-based page numbers
                
                // Add range untill the next barcode
                if (i < reader.FoundBarcodes.Length - 1)
                {
                    if (reader.FoundBarcodes[i + 1].Page - barcode.Page > 1)
                    {
                        pageRanges.Append("-");
                        pageRanges.Append(reader.FoundBarcodes[i + 1].Page);
                    }

                    pageRanges.Append(",");
                }
                else // for the last found barcode add ending "-" meaning "to the last page"
                {
                    pageRanges.Append("-");
                }
            }

            // Split document 
            string[] splittedParts = reader.SplitDocument(@"barcodes.pdf", pageRanges.ToString());
            // The method returns array of file names. Rename files as desired.

            foreach (var fileName in splittedParts)
            {
                Console.WriteLine(fileName);
            }

            // Cleanup
            reader.Dispose();

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