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[FileExplorer]GcodeThumbnailProvider and GcodePreviewHandler (#14827)

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* Adds the GcodeThumbnailProvider

* Registers the GcodeThumbnailProvider

* Adds Settings support

* Reverts solution changes back to original

* Corrects "Gcode" text with "G-code"

* Adds gcode thumbnail setting description

* Follow up on PR review comments

* Adds GcodePreviewHandler

* Follow up on PR review comments

* Renames assemblies following #14903
This commit is contained in:
Pedro Lamas
2021-12-10 11:53:01 +00:00
committed by GitHub
parent dfe9169e39
commit 1e0033166f
37 changed files with 56826 additions and 3 deletions
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181
src/modules/previewpane/GcodeThumbnailProvider/GcodeThumbnailProvider.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.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using System.Text;
using Common.ComInterlop;
using Common.Utilities;
namespace Microsoft.PowerToys.ThumbnailHandler.Gcode
{
/// <summary>
/// G-code Thumbnail Provider.
/// </summary>
[Guid("BFEE99B4-B74D-4348-BCA5-E757029647FF")]
[ClassInterface(ClassInterfaceType.None)]
[ComVisible(true)]
public class GcodeThumbnailProvider : 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;
/// <summary>
/// Reads the G-code content searching for thumbnails and returns the largest.
/// </summary>
/// <param name="reader">The TextReader instance for the G-code content.</param>
/// <param name="cx">The maximum thumbnail size, in pixels.</param>
/// <returns>A thumbnail extracted from the G-code content.</returns>
public static Bitmap GetThumbnail(TextReader reader, uint cx)
{
if (cx > MaxThumbnailSize || reader == null)
{
return null;
}
Bitmap thumbnail = null;
var bitmapBase64 = GetBase64Thumbnails(reader)
.OrderByDescending(x => x.Length)
.FirstOrDefault();
if (!string.IsNullOrEmpty(bitmapBase64))
{
var bitmapBytes = Convert.FromBase64String(bitmapBase64);
using (var bitmapStream = new MemoryStream(bitmapBytes))
{
thumbnail = new Bitmap(bitmapStream);
}
if (thumbnail.Width != cx && thumbnail.Height != cx)
{
// We are not the appropriate size for caller. Resize now while
// respecting the aspect ratio.
float scale = Math.Min((float)cx / thumbnail.Width, (float)cx / thumbnail.Height);
int scaleWidth = (int)(thumbnail.Width * scale);
int scaleHeight = (int)(thumbnail.Height * scale);
thumbnail = ResizeImage(thumbnail, scaleWidth, scaleHeight);
}
}
return thumbnail;
}
/// <summary>
/// Gets all thumbnails in base64 format found on the G-code data.
/// </summary>
/// <param name="reader">The TextReader instance for the G-code content.</param>
/// <returns>An enumeration of thumbnails in base64 format found on the G-code.</returns>
private static IEnumerable<string> GetBase64Thumbnails(TextReader reader)
{
string line;
StringBuilder capturedText = null;
while ((line = reader.ReadLine()) != null)
{
if (line.StartsWith("; thumbnail begin", StringComparison.InvariantCulture))
{
capturedText = new StringBuilder();
}
else if (line == "; thumbnail end")
{
if (capturedText != null)
{
yield return capturedText.ToString();
capturedText = null;
}
}
else if (capturedText != null)
{
capturedText.Append(line[2..]);
}
}
}
/// <summary>
/// Resize the image with high quality to the specified width and height.
/// </summary>
/// <param name="image">The image to resize.</param>
/// <param name="width">The width to resize to.</param>
/// <param name="height">The height to resize to.</param>
/// <returns>The resized image.</returns>
public static Bitmap ResizeImage(Image image, int width, int height)
{
if (width <= 0 ||
height <= 0 ||
width > MaxThumbnailSize ||
height > MaxThumbnailSize ||
image == null)
{
return null;
}
Bitmap destImage = new Bitmap(width, height);
destImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);
using (var graphics = Graphics.FromImage(destImage))
{
graphics.CompositingMode = CompositingMode.SourceCopy;
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
graphics.Clear(Color.White);
graphics.DrawImage(image, 0, 0, width, height);
}
return destImage;
}
/// <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 stream = new ReadonlyStream(this.Stream as IStream))
{
using (var reader = new StreamReader(stream))
{
using (Bitmap thumbnail = GetThumbnail(reader, cx))
{
if (thumbnail != null && thumbnail.Size.Width > 0 && thumbnail.Size.Height > 0)
{
phbmp = thumbnail.GetHbitmap();
pdwAlpha = WTS_ALPHATYPE.WTSAT_RGB;
}
}
}
}
}
}
}

62
src/modules/previewpane/GcodeThumbnailProvider/GcodeThumbnailProvider.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
<PropertyGroup>
<Platforms>x64</Platforms>
<UseWindowsForms>true</UseWindowsForms>
<ProjectGuid>{809AA252-E17A-4FA2-B0A1-0450976B763F}</ProjectGuid>
<RootNamespace>Microsoft.PowerToys.ThumbnailHandler.Gcode</RootNamespace>
<AssemblyName>PowerToys.GcodeThumbnailProvider</AssemblyName>
<AssemblyTitle>PowerToys.GcodeThumbnailProvider</AssemblyTitle>
<AssemblyDescription>PowerToys GcodePreviewHandler</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 GcodePreviewHandler</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>
</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>
</Project>