ByteScout PDF Extractor SDK – C# – Extract Text from Foldable Brochure Booklet

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ByteScout PDF Extractor SDK – C# – Extract Text from Foldable Brochure Booklet

printable version:
ByteScout-PDF-Extractor-SDK-C-sharp-Extract-Text-from-Foldable-Brochure-Booklet.pdf

How to extract text from foldable brochure booklet in C# using ByteScout PDF Extractor SDK

ByteScout PDF Extractor SDK: the SDK that helps developers to extract data from unstructured documents, pdf, images, scanned and electronic forms. Includes AI functions like automatic table detection, automatic table extraction and restructuring, text recognition and text restoration from pdf and scanned documents. Includes PDF to CSV, PDF to XML, PDF to JSON, PDF to searchable PDF functions as well as methods for low level data extraction.

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ExtractTextFromFoldableBrochure.csproj

      <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProductVersion>
    </ProductVersion>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{25E68A98-BA0D-428D-99F4-0ED8C42DD41C}</ProjectGuid>
    <OutputType>Exe</OutputType>
    <RootNamespace>ExtractTextFromFoldableBrochure</RootNamespace>
    <AssemblyName>ExtractTextFromFoldableBrochure</AssemblyName>
    <OldToolsVersion>3.5</OldToolsVersion>
    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <Optimize>false</Optimize>
    <OutputPath>bin\Debug\</OutputPath>
    <DefineConstants>DEBUG;TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>pdbonly</DebugType>
    <Optimize>true</Optimize>
    <OutputPath>bin\Release\</OutputPath>
    <DefineConstants>TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="Bytescout.PDFExtractor, Version=1.0.0.12, Culture=neutral, processorArchitecture=MSIL">
      <SpecificVersion>False</SpecificVersion>
    </Reference>
    <Reference Include="System" />
    <Reference Include="System.Data" />
    <Reference Include="System.Drawing" />
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
  </ItemGroup>
  <ItemGroup>
    <Compile Include="Program.cs" />
  </ItemGroup>
  <ItemGroup>
    <Content Include="..\..\SampleFoldable.pdf">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
      <Link>SampleFoldable.pdf</Link>
    </Content>
  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
       Other similar extension points exist, see Microsoft.Common.targets.
  <Target Name="BeforeBuild">
  </Target>
  <Target Name="AfterBuild">
  </Target>
  -->
</Project>

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Program.cs

      using Bytescout.PDFExtractor;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Text;

namespace ExtractTextFromFoldableBrochure
{
    class Program
    {
        static void Main(string[] args)
        {
            // Set extraction regions
            // Use Bytescout Template Editor / Bytescout PDF Multitool or other tool to know region co-ordinates
            var lstExtractionRegion = new List<RectangleF>();
            lstExtractionRegion.Add(new RectangleF(7.5f, 33.8f, 244.5f, 353.3f));
            lstExtractionRegion.Add(new RectangleF(273.8f, 201.8f, 247.5f, 198.0f));
            lstExtractionRegion.Add(new RectangleF(537.8f, 27.0f, 246.0f, 268.5f));

            // Ouput File
            var resFile = "result.txt";
            var sRes = new StringBuilder(string.Empty);

            // Create Bytescout.PDFExtractor.TextExtractor instance
            TextExtractor extractor = new TextExtractor();
            extractor.RegistrationName = "demo";
            extractor.RegistrationKey = "demo";

            // Load sample PDF document
            extractor.LoadDocumentFromFile(@".\SampleFoldable.pdf");

            // Loop through all extraction regions, and extract text
            foreach (var oRegion in lstExtractionRegion)
            {
                var extractedText = GetTextFromRegion(extractor, oRegion);
                sRes.AppendLine(extractedText);
            }

            // Cleanup
            extractor.Dispose();

            // Write all reslut to output file
            File.WriteAllText(resFile, sRes.ToString());

            // Open result file in default associated application
            ProcessStartInfo processStartInfo = new ProcessStartInfo(@".\result.txt");
            Process.Start(processStartInfo);
        }

        /// <summary>
        /// Get text from particular region
        /// </summary>
        private static string GetTextFromRegion(TextExtractor textExtractor, RectangleF extractionRegion, int pageIndex = 0)
        {
            // Set Extraction Area
            textExtractor.SetExtractionArea(extractionRegion);

            // Get Text from that region
            return textExtractor.GetTextFromPage(pageIndex);
        }
    }
}