ByteScout Data Extraction Suite – VB.NET – Convert PDF to Black and White

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ByteScout Data Extraction Suite – VB.NET – Convert PDF to Black and White

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ByteScout-Data-Extraction-Suite-VB-NET-Convert-PDF-to-Black-and-White.pdf

How to convert PDF to black and white in VB.NET and ByteScout Data Extraction Suite

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.

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Web API (on-demand version)

On-premise offline SDK for Windows:
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MakeUnsearchablePDF.VS2005.vbproj

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    <DefineTrace>true</DefineTrace>
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  <ItemGroup>
    <Reference Include="Bytescout.PDFExtractor, Version=6.10.0.2136, Culture=neutral, PublicKeyToken=f7dd1bd9d40a50eb, processorArchitecture=MSIL">
      <SpecificVersion>False</SpecificVersion>
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    <Reference Include="System" />
    <Reference Include="System.Data" />
    <Reference Include="System.Deployment" />
    <Reference Include="System.Xml" />
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  <ItemGroup>
    <Import Include="Microsoft.VisualBasic" />
    <Import Include="System" />
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    <Import Include="System.Diagnostics" />
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       Other similar extension points exist, see Microsoft.Common.targets.
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MakeUnsearchablePDF.VS2008.vbproj

      <?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>
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    <ProjectGuid>{4A4B93A3-FEF6-4469-B506-1A632EB601FF}</ProjectGuid>
    <OutputType>Exe</OutputType>
    <StartupObject>MakeUnsearchablePDF.Module1</StartupObject>
    <RootNamespace>MakeUnsearchablePDF</RootNamespace>
    <AssemblyName>MakeUnsearchablePDF</AssemblyName>
    <MyType>Console</MyType>
    <FileUpgradeFlags>
    </FileUpgradeFlags>
    <OldToolsVersion>2.0</OldToolsVersion>
    <UpgradeBackupLocation>
    </UpgradeBackupLocation>
    <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>
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    <BootstrapperEnabled>true</BootstrapperEnabled>
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      <SpecificVersion>False</SpecificVersion>
      <HintPath>C:\Program Files\Bytescout PDF Extractor SDK\net3.50\Bytescout.PDFExtractor.dll</HintPath>
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    <Reference Include="System.Xml" />
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  <ItemGroup>
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    <Import Include="System" />
    <Import Include="System.Collections" />
    <Import Include="System.Collections.Generic" />
    <Import Include="System.Data" />
    <Import Include="System.Diagnostics" />
    <Import Include="System.Linq" />
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    <Compile Include="My Project\Resources.Designer.vb">
      <AutoGen>True</AutoGen>
      <DesignTime>True</DesignTime>
      <DependentUpon>Resources.resx</DependentUpon>
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      <AutoGen>True</AutoGen>
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       Other similar extension points exist, see Microsoft.Common.targets.
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MakeUnsearchablePDF.VS2010.vbproj

      <?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
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    <ProjectGuid>{4A4B93A3-FEF6-4469-B506-1A632EB601FF}</ProjectGuid>
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    <RootNamespace>MakeUnsearchablePDF</RootNamespace>
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    <MyType>Console</MyType>
    <FileUpgradeFlags>
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    <OldToolsVersion>3.5</OldToolsVersion>
    <UpgradeBackupLocation>
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    <IsWebBootstrapper>false</IsWebBootstrapper>
    <TargetFrameworkVersion>v4.0</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>
    <UseApplicationTrust>false</UseApplicationTrust>
    <BootstrapperEnabled>true</BootstrapperEnabled>
    <TargetFrameworkProfile />
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    <DebugSymbols>true</DebugSymbols>
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    <DocumentationFile>MakeUnsearchablePDF.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022,42353,42354,42355</NoWarn>
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    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022,42353,42354,42355</NoWarn>
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  <ItemGroup>
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      <SpecificVersion>False</SpecificVersion>
      <HintPath>C:\Program Files\Bytescout PDF Extractor SDK\net4.00\Bytescout.PDFExtractor.dll</HintPath>
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    <Import Include="System.Data" />
    <Import Include="System.Diagnostics" />
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      <DependentUpon>Application.myapp</DependentUpon>
    </Compile>
    <Compile Include="My Project\Resources.Designer.vb">
      <AutoGen>True</AutoGen>
      <DesignTime>True</DesignTime>
      <DependentUpon>Resources.resx</DependentUpon>
    </Compile>
    <Compile Include="My Project\Settings.Designer.vb">
      <AutoGen>True</AutoGen>
      <DependentUpon>Settings.settings</DependentUpon>
      <DesignTimeSharedInput>True</DesignTimeSharedInput>
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      <CustomToolNamespace>My.Resources</CustomToolNamespace>
      <SubType>Designer</SubType>
    </EmbeddedResource>
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      <Link>sample1.pdf</Link>
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      <Generator>MyApplicationCodeGenerator</Generator>
      <LastGenOutput>Application.Designer.vb</LastGenOutput>
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      <Generator>SettingsSingleFileGenerator</Generator>
      <CustomToolNamespace>My</CustomToolNamespace>
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      <ProductName>.NET Framework 3.0 %28x86%29</ProductName>
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  <Import Project="$(MSBuildBinPath)\Microsoft.VisualBasic.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>

Module1.vb

      Imports Bytescout.PDFExtractor

Module Module1

    Sub Main()

        ' Create Bytescout.PDFExtractor.UnsearchablePDFMaker instance
        Dim 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
        System.Diagnostics.Process.Start("result.pdf")

    End Sub

End Module