ByteScout Data Extraction Suite - C# - Convert PDF to Black and White - ByteScout

ByteScout Data Extraction Suite – C# – Convert PDF to Black and White

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How to convert PDF to black and white in C# and ByteScout Data Extraction Suite

ByteScout Data Extraction Suite is the set that includes 3 SDK products for data extraction from PDF, scans, images and from spreadsheets: PDF Extractor SDK, Data Extraction SDK, Barcode Reader SDK.

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MakeUnsearchablePDF.NETCore.csproj

      
<?xml version="1.0" encoding="utf-8"?> <Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <OutputType>Exe</OutputType> <TargetFramework>netcoreapp2.0</TargetFramework> <EnableDefaultCompileItems>false</EnableDefaultCompileItems> <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute> <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute> <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute> <GenerateAssemblyInformationalVersionAttribute>false</GenerateAssemblyInformationalVersionAttribute> <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute> <GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute> <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute> <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute> <GenerateAssemblyTrademarkAttribute>false</GenerateAssemblyTrademarkAttribute> <GenerateAssemblyCultureAttribute>false</GenerateAssemblyCultureAttribute> <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute> </PropertyGroup> <ItemGroup> <Compile Include="Program.cs" /> <Compile Include="Properties\AssemblyInfo.cs" /> <None Include="sample1.pdf"> <CopyToOutputDirectory>Always</CopyToOutputDirectory> </None> </ItemGroup> <ItemGroup> <PackageReference Include="Microsoft.Windows.Compatibility" Version="2.0.0" /> </ItemGroup> <ItemGroup> <Reference Include="Bytescout.PDFExtractor"> <SpecificVersion>False</SpecificVersion> <HintPath>c:\Program Files\Bytescout PDF Extractor SDK\netcoreapp2.0\Bytescout.PDFExtractor.dll</HintPath> </Reference> <Reference Include="Bytescout.PDFExtractor.OCRExtension"> <SpecificVersion>False</SpecificVersion> <HintPath>c:\Program Files\Bytescout PDF Extractor SDK\netcoreapp2.0\Bytescout.PDFExtractor.OCRExtension.dll</HintPath> </Reference> </ItemGroup> </Project>

MakeUnsearchablePDF.VS2005.csproj

      
<?xml version="1.0" encoding="utf-8"?> <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> <ProductVersion>8.0.50727</ProductVersion> <SchemaVersion>2.0</SchemaVersion> <ProjectGuid>{5FD39006-92D8-4ACC-B2EB-A43ECBC67F99}</ProjectGuid> <OutputType>Exe</OutputType> <AppDesignerFolder>Properties</AppDesignerFolder> <RootNamespace>MakeUnsearchablePDF</RootNamespace> <AssemblyName>MakeUnsearchablePDF</AssemblyName> </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=6.10.0.2136, Culture=neutral, PublicKeyToken=f7dd1bd9d40a50eb, processorArchitecture=MSIL"> <SpecificVersion>False</SpecificVersion> </Reference> <Reference Include="System" /> <Reference Include="System.Data" /> <Reference Include="System.Xml" /> </ItemGroup> <ItemGroup></ItemGroup> <ItemGroup> <Compile Include="Program.cs" /> <Compile Include="Properties\AssemblyInfo.cs" /> </ItemGroup> <ItemGroup> <Content Include="sample1.pdf"> <CopyToOutputDirectory>Always</CopyToOutputDirectory> </Content> </ItemGroup> <Import Project="$(MSBuildBinPath)\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>

MakeUnsearchablePDF.VS2008.csproj

      
<?xml version="1.0" encoding="utf-8"?> <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5"> <PropertyGroup> <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> <ProductVersion>9.0.21022</ProductVersion> <SchemaVersion>2.0</SchemaVersion> <ProjectGuid>{5FD39006-92D8-4ACC-B2EB-A43ECBC67F99}</ProjectGuid> <OutputType>Exe</OutputType> <AppDesignerFolder>Properties</AppDesignerFolder> <RootNamespace>MakeUnsearchablePDF</RootNamespace> <AssemblyName>MakeUnsearchablePDF</AssemblyName> <FileUpgradeFlags></FileUpgradeFlags> <OldToolsVersion>2.0</OldToolsVersion> <UpgradeBackupLocation></UpgradeBackupLocation> <TargetFrameworkVersion>v3.5</TargetFrameworkVersion> <PublishUrl>publish\</PublishUrl> <Install>true</Install> <InstallFrom>Disk</InstallFrom> <UpdateEnabled>false</UpdateEnabled> <UpdateMode>Foreground</UpdateMode> <UpdateInterval>7</UpdateInterval> <UpdateIntervalUnits>Days</UpdateIntervalUnits> <UpdatePeriodically>false</UpdatePeriodically> <UpdateRequired>false</UpdateRequired> <MapFileExtensions>true</MapFileExtensions> <ApplicationRevision>0</ApplicationRevision> <ApplicationVersion>1.0.0.%2a</ApplicationVersion> <IsWebBootstrapper>false</IsWebBootstrapper> <UseApplicationTrust>false</UseApplicationTrust> <BootstrapperEnabled>true</BootstrapperEnabled> </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=6.10.0.2136, Culture=neutral, PublicKeyToken=f7dd1bd9d40a50eb, processorArchitecture=MSIL"> <SpecificVersion>False</SpecificVersion> <HintPath>C:\Program Files\Bytescout PDF Extractor SDK\net3.50\Bytescout.PDFExtractor.dll</HintPath> </Reference> <Reference Include="System" /> <Reference Include="System.Core"> <RequiredTargetFramework>3.5</RequiredTargetFramework> </Reference> <Reference Include="System.Data" /> <Reference Include="System.Xml" /> </ItemGroup> <ItemGroup></ItemGroup> <ItemGroup> <Compile Include="Program.cs" /> <Compile Include="Properties\AssemblyInfo.cs" /> </ItemGroup> <ItemGroup> <Content Include="sample1.pdf"> <CopyToOutputDirectory>Always</CopyToOutputDirectory> </Content> </ItemGroup> <ItemGroup> <BootstrapperPackage Include="Microsoft.Net.Client.3.5"> <Visible>False</Visible> <ProductName>.NET Framework Client Profile</ProductName> <Install>false</Install> </BootstrapperPackage> <BootstrapperPackage Include="Microsoft.Net.Framework.2.0"> <Visible>False</Visible> <ProductName>.NET Framework 2.0 %28x86%29</ProductName> <Install>true</Install> </BootstrapperPackage> <BootstrapperPackage Include="Microsoft.Net.Framework.3.0"> <Visible>False</Visible> <ProductName>.NET Framework 3.0 %28x86%29</ProductName> <Install>false</Install> </BootstrapperPackage> <BootstrapperPackage Include="Microsoft.Net.Framework.3.5"> <Visible>False</Visible> <ProductName>.NET Framework 3.5</ProductName> <Install>false</Install> </BootstrapperPackage> <BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1"> <Visible>False</Visible> <ProductName>.NET Framework 3.5 SP1</ProductName> <Install>false</Install> </BootstrapperPackage> </ItemGroup> <Import Project="$(MSBuildBinPath)\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>

MakeUnsearchablePDF.VS2010.csproj

      
<?xml version="1.0" encoding="utf-8"?> <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>9.0.30729</ProductVersion> <SchemaVersion>2.0</SchemaVersion> <ProjectGuid>{5FD39006-92D8-4ACC-B2EB-A43ECBC67F99}</ProjectGuid> <OutputType>Exe</OutputType> <AppDesignerFolder>Properties</AppDesignerFolder> <RootNamespace>MakeUnsearchablePDF</RootNamespace> <AssemblyName>MakeUnsearchablePDF</AssemblyName> <FileUpgradeFlags></FileUpgradeFlags> <OldToolsVersion>3.5</OldToolsVersion> <UpgradeBackupLocation></UpgradeBackupLocation> <TargetFrameworkVersion>v4.0</TargetFrameworkVersion> <IsWebBootstrapper>false</IsWebBootstrapper> <TargetFrameworkProfile /> <PublishUrl>publish\</PublishUrl> <Install>true</Install> <InstallFrom>Disk</InstallFrom> <UpdateEnabled>false</UpdateEnabled> <UpdateMode>Foreground</UpdateMode> <UpdateInterval>7</UpdateInterval> <UpdateIntervalUnits>Days</UpdateIntervalUnits> <UpdatePeriodically>false</UpdatePeriodically> <UpdateRequired>false</UpdateRequired> <MapFileExtensions>true</MapFileExtensions> <ApplicationRevision>0</ApplicationRevision> <ApplicationVersion>1.0.0.%2a</ApplicationVersion> <UseApplicationTrust>false</UseApplicationTrust> <BootstrapperEnabled>true</BootstrapperEnabled> </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=6.10.0.2136, Culture=neutral, PublicKeyToken=f7dd1bd9d40a50eb, processorArchitecture=MSIL"> <SpecificVersion>False</SpecificVersion> <HintPath>C:\Program Files\Bytescout PDF Extractor SDK\net4.00\Bytescout.PDFExtractor.dll</HintPath> </Reference> <Reference Include="System" /> <Reference Include="System.Core"> <RequiredTargetFramework>3.5</RequiredTargetFramework> </Reference> <Reference Include="System.Data" /> <Reference Include="System.Xml" /> </ItemGroup> <ItemGroup> <Compile Include="Program.cs" /> <Compile Include="Properties\AssemblyInfo.cs" /> </ItemGroup> <ItemGroup> <Content Include="sample1.pdf"> <CopyToOutputDirectory>Always</CopyToOutputDirectory> </Content> </ItemGroup> <ItemGroup> <BootstrapperPackage Include="Microsoft.Net.Client.3.5"> <Visible>False</Visible> <ProductName>.NET Framework 3.5 SP1 Client Profile</ProductName> <Install>false</Install> </BootstrapperPackage> <BootstrapperPackage Include="Microsoft.Net.Framework.2.0"> <Visible>False</Visible> <ProductName>.NET Framework 2.0 %28x86%29</ProductName> <Install>true</Install> </BootstrapperPackage> <BootstrapperPackage Include="Microsoft.Net.Framework.3.0"> <Visible>False</Visible> <ProductName>.NET Framework 3.0 %28x86%29</ProductName> <Install>false</Install> </BootstrapperPackage> <BootstrapperPackage Include="Microsoft.Net.Framework.3.5"> <Visible>False</Visible> <ProductName>.NET Framework 3.5</ProductName> <Install>false</Install> </BootstrapperPackage> <BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1"> <Visible>False</Visible> <ProductName>.NET Framework 3.5 SP1</ProductName> <Install>false</Install> </BootstrapperPackage> </ItemGroup> <Import Project="$(MSBuildBinPath)\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>

Program.cs

      
using System.Diagnostics; using Bytescout.PDFExtractor; namespace MakeUnsearchablePDF { class Program { static void Main() { // Create Bytescout.PDFExtractor.UnsearchablePDFMaker instance UnsearchablePDFMaker unsearchablePDFMaker = new UnsearchablePDFMaker(); unsearchablePDFMaker.RegistrationName = "demo"; unsearchablePDFMaker.RegistrationKey = "demo"; // Load sample PDF document unsearchablePDFMaker.LoadDocumentFromFile("sample1.pdf"); //maker.ImageFormat = EmbeddedImageFormat.JPEG; // use JPEG for smaller PDF file, but be ready to compression artefacts //maker.JPEGQuality = 75; // JPEG quality (1 - 100) unsearchablePDFMaker.RenderingResolution = 300; // larger resolution - longer processing and larger PDF file size // Enable Black and White mode unsearchablePDFMaker.Grayscale = true; // Process the document unsearchablePDFMaker.MakePDFUnsearchable("result.pdf"); // Cleanup unsearchablePDFMaker.Dispose(); // Open the result PDF file in default associated application ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf"); processStartInfo.UseShellExecute = true; Process.Start(processStartInfo); } } }

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