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[FileExplorer] Add PDF Thumbnail Provider for Windows Explorer (#13058)

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* Add PdfPreviewHandler to build dependency of runner

* PDF Thumbnail Provider

* Remove using brackets

* Pdf Thumbnail - Settings and Unit Tests

* Removed resx

* Add PDF Thumbnail Provider binary

* Install Pdf Thumbnail Provider

* Fix pagee spelling error.

* Update Windows dependency to version 10.0.18362.0 because that is the minimal required version of the PowerToys.

* Add Pdf Preview Handler and Pdf Thumbnail Provider
This commit is contained in:
R. de Veen
2021-09-14 18:01:45 +02:00
committed by GitHub
parent 7e22f26b52
commit 7ac1e00d01
20 changed files with 487 additions and 9 deletions
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96
src/modules/previewpane/PdfThumbnailProvider/PdfThumbnailProvider.cs Normal file
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// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using Common.ComInterlop;
using Common.Utilities;
using Windows.Data.Pdf;
using Windows.Storage.Streams;
namespace Microsoft.PowerToys.ThumbnailHandler.Pdf
{
/// <summary>
/// PDF Thumbnail Provider.
/// </summary>
[Guid("BCC13D15-9720-4CC4-8371-EA74A274741E")]
[ClassInterface(ClassInterfaceType.None)]
[ComVisible(true)]
public class PdfThumbnailProvider : IInitializeWithStream, IThumbnailProvider
{
/// <summary>
/// Gets the stream object to access file.
/// </summary>
public IStream Stream { get; private set; }
/// <summary>
/// The maximum dimension (width or height) thumbnail we will generate.
/// </summary>
private const uint MaxThumbnailSize = 10000;
/// <inheritdoc/>
public void Initialize(IStream pstream, uint grfMode)
{
// Ignore the grfMode always use read mode to access the file.
this.Stream = pstream;
}
/// <inheritdoc/>
public void GetThumbnail(uint cx, out IntPtr phbmp, out WTS_ALPHATYPE pdwAlpha)
{
phbmp = IntPtr.Zero;
pdwAlpha = WTS_ALPHATYPE.WTSAT_UNKNOWN;
if (cx == 0 || cx > MaxThumbnailSize)
{
return;
}
using var dataStream = new ReadonlyStream(this.Stream as IStream);
using var memStream = new MemoryStream();
dataStream.CopyTo(memStream);
memStream.Position = 0;
// AsRandomAccessStream() extension method from System.Runtime.WindowsRuntime
var pdf = PdfDocument.LoadFromStreamAsync(memStream.AsRandomAccessStream()).GetAwaiter().GetResult();
if (pdf.PageCount > 0)
{
using var page = pdf.GetPage(0);
var image = PageToImage(page, cx);
using Bitmap thumbnail = new Bitmap(image);
phbmp = thumbnail.GetHbitmap();
pdwAlpha = WTS_ALPHATYPE.WTSAT_RGB;
}
}
/// <summary>
/// Transform the PdfPage to an Image.
/// </summary>
/// <param name="page">The page to transform to an Image.</param>
/// <param name="height">The height of the page.</param>
/// <returns>An object of type <see cref="Image"/></returns>
private static Image PageToImage(PdfPage page, uint height)
{
Image imageOfPage;
using var stream = new InMemoryRandomAccessStream();
page.RenderToStreamAsync(stream, new PdfPageRenderOptions()
{
DestinationHeight = height,
}).GetAwaiter().GetResult();
imageOfPage = Image.FromStream(stream.AsStream());
return imageOfPage;
}
}
}

71
src/modules/previewpane/PdfThumbnailProvider/PdfThumbnailProvider.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
<PropertyGroup>
<Platforms>x64</Platforms>
<UseWindowsForms>true</UseWindowsForms>
<ProjectGuid>{11491FD8-F921-48BF-880C-7FEA185B80A1}</ProjectGuid>
<RootNamespace>Microsoft.PowerToys.ThumbnailHandler.Pdf</RootNamespace>
<AssemblyName>PdfThumbnailProvider</AssemblyName>
<AssemblyTitle>PdfThumbnailProvider</AssemblyTitle>
<AssemblyDescription>PowerToys PdfPreviewHandler</AssemblyDescription>
<AssemblyCompany>Microsoft Corporation</AssemblyCompany>
<AssemblyCopyright>Copyright (C) 2020 Microsoft Corporation</AssemblyCopyright>
<AssemblyProduct>PowerToys</AssemblyProduct>
<TargetFramework>netcoreapp3.1</TargetFramework>
<EnableComHosting>true</EnableComHosting>
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
<Company>Microsoft Corporation</Company>
<Product>PowerToys</Product>
<NeutralLanguage>en-US</NeutralLanguage>
<Description>PowerToys PdfPreviewHandler</Description>
<Copyright>Copyright (C) 2020 Microsoft Corporation</Copyright>
<OutputPath>$(SolutionDir)$(Platform)\$(Configuration)\modules\FileExplorerPreview\</OutputPath>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
<AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
</PropertyGroup>
<Import Project="..\..\..\Version.props" />
<ItemGroup>
<PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.3.0">
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="Microsoft.CodeAnalysis.VersionCheckAnalyzer" Version="3.3.0">
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="Microsoft.CodeQuality.Analyzers" Version="3.3.0">
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="Microsoft.NetCore.Analyzers" Version="3.3.0">
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="Microsoft.NetFramework.Analyzers" Version="3.3.0">
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="System.Runtime.WindowsRuntime" Version="4.7.0" />
</ItemGroup>
<ItemGroup>
<Compile Include="..\..\..\codeAnalysis\GlobalSuppressions.cs" Link="GlobalSuppressions.cs" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\..\common\ManagedTelemetry\Telemetry\ManagedTelemetry.csproj" />
<ProjectReference Include="..\Common\PreviewHandlerCommon.csproj" />
</ItemGroup>
<ItemGroup>
<AdditionalFiles Include="..\..\..\codeAnalysis\StyleCop.json">
<Link>StyleCop.json</Link>
</AdditionalFiles>
</ItemGroup>
<ItemGroup>
<Reference Include="Windows">
<HintPath>$(MSBuildProgramFiles32)\Windows Kits\10\UnionMetadata\10.0.18362.0\Windows.winmd</HintPath>
<IsWinMDFile>true</IsWinMDFile>
</Reference>
</ItemGroup>
</Project>