Add IconExtension for WinUI

WinUI.Extensions/IconExtension.cs

@@ -0,0 +1,117 @@
+/* DOCS:
+ *
+ * REFERENCES
+ *
+ * <seealso cref="tajbender.Vanara\Windows.Forms\Extensions\IconExtension.cs"/>
+ *
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+using Vanara.PInvoke;
+
+namespace Vanara.WinUI.Extensions;
+
+#region Properties
+/// <summary>Used to determine the size of the icon returned by various shell methods.</summary>
+public enum IconSize
+{
+	/// <summary>
+	/// The image size is normally 32x32 pixels. However, if the Use large icons option is selected from the Effects section of the Appearance tab in
+	/// Display Properties, the image is 48x48 pixels.
+	/// </summary>
+	Large = Shell32.SHIL.SHIL_LARGE,
+	/// <summary>The image is the Shell standard small icon size of 16x16, but the size can be customized by the user.</summary>
+	Small = Shell32.SHIL.SHIL_SMALL,
+	/// <summary>The image is the Shell standard extra-large icon size. This is typically 48x48, but the size can be customized by the user.</summary>
+	ExtraLarge = Shell32.SHIL.SHIL_EXTRALARGE,
+	/// <summary>Windows Vista and later. The image is normally 256x256 pixels.</summary>
+	Jumbo = Shell32.SHIL.SHIL_JUMBO
+}
+#endregion
+
+#region Embedded classes
+public record SoftwareBitmapSource
+{
+	public IconSize IconSize;
+
+	public SoftwareBitmapSource(IconSize iconSize) => IconSize = iconSize;
+
+	public static Task<SoftwareBitmapSource> FromIcon(Icon icon)
+	{
+		return IconExtension.GetWinUi3BitmapSourceFromIcon(icon);
+	}
+}
+#endregion
+
+/// <summary>Extension methods for <see cref="Icon"/>.
+/// This class replaces "Vanara.Windows.Forms.Extensions.IconExtension" for WinUI.
+/// </summary>
+public static class IconExtension
+{
+	/// <summary>
+	/// 
+	/// </summary>
+	/// <param name="bitmapIcon"></param>
+	/// <param name="iconSize"></param>
+	/// <returns></returns>
+	public static async Task<SoftwareBitmapSource> GetWinUi3BitmapSourceFromIcon(Icon bitmapIcon, IconSize iconSize)
+	{
+		ArgumentNullException.ThrowIfNull(bitmapIcon);
+
+		return await GetWinUi3BitmapSourceFromGdiBitmap(bitmapIcon.ToBitmap());
+	}
+
+	    /* TODO: add to https://github.com/tajbender/tajbender.Vanara/blob/master/WinUI.Extensions/ShellImageSource.cs */
+
+    /// <summary>
+    /// Taken from <see href="https://stackoverflow.com/questions/76640972/convert-system-drawing-icon-to-microsoft-ui-xaml-imagesource"/>
+    /// See also <see href="https://learn.microsoft.com/en-us/windows/windows-app-sdk/api/winrt/microsoft.ui.xaml.media.imaging.bitmapimage?view=windows-app-sdk-1.6"/>, which can deal with .ico natively.
+    /// </summary>
+    /// <param name="bitmapIcon"></param>
+    /// <returns></returns>
+    public static async Task<SoftwareBitmapSource> GetWinUi3BitmapSourceFromIcon(Icon bitmapIcon)
+    {
+        ArgumentNullException.ThrowIfNull(bitmapIcon);
+
+        return await GetWinUi3BitmapSourceFromGdiBitmap(bitmapIcon.ToBitmap());
+    }
+
+    /// <summary>
+    /// Taken from <see href="https://stackoverflow.com/questions/76640972/convert-system-drawing-icon-to-microsoft-ui-xaml-imagesource"/>.
+    /// See also <see href="https://learn.microsoft.com/en-us/windows/windows-app-sdk/api/winrt/microsoft.ui.xaml.controls.image.source?view=windows-app-sdk-1.5#microsoft-ui-xaml-controls-image-source"/>.
+    /// See also <see href="https://learn.microsoft.com/en-us/windows/windows-app-sdk/api/winrt/microsoft.ui.xaml.media.imaging.bitmapimage?view=windows-app-sdk-1.6"/>, which can deal with .ico natively.
+    /// </summary>
+    /// <param name="gdiBitmap"></param>
+    /// <returns></returns>
+    public static async Task<SoftwareBitmapSource?> GetWinUi3BitmapSourceFromGdiBitmap(Bitmap gdiBitmap)
+    {
+        ArgumentNullException.ThrowIfNull(gdiBitmap);
+
+        // get pixels as an array of bytes
+        var data = gdiBitmap.LockBits(new System.Drawing.Rectangle(0, 0, gdiBitmap.Width, gdiBitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, gdiBitmap.PixelFormat);
+        var bytes = new byte[data.Stride * data.Height];
+        Marshal.Copy(data.Scan0, bytes, 0, bytes.Length);
+        gdiBitmap.UnlockBits(data);
+
+        // get WinRT SoftwareBitmap
+        var softwareBitmap = new Windows.Graphics.Imaging.SoftwareBitmap(
+            Windows.Graphics.Imaging.BitmapPixelFormat.Bgra8,
+            gdiBitmap.Width,
+            gdiBitmap.Height,
+            Windows.Graphics.Imaging.BitmapAlphaMode.Premultiplied);
+        softwareBitmap.CopyFromBuffer(bytes.AsBuffer());
+
+        // build WinUI3 SoftwareBitmapSource
+        var source = new SoftwareBitmapSource();
+        await source.SetBitmapAsync(softwareBitmap);
+        return source;
+    }
+
+}
+

WinUI.Extensions/Vanara.WinUI.Extensions.csproj

@@ -1,31 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <Description>Extension methods and conversions from Vanara P/Invoke types and methods to UWP and WinUI types and methods.</Description>
-    <AssemblyTitle>$(AssemblyName)</AssemblyTitle>
-    <TargetFrameworks>net45;net48;net6.0;net7.0;net8.0-windows;netcoreapp3.1</TargetFrameworks>
-    <ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
+	<PropertyGroup>
+		<Description>Extension methods and conversions from Vanara P/Invoke types and methods to UWP and WinUI types and methods.</Description>
+		<AssemblyTitle>$(AssemblyName)</AssemblyTitle>
+		<TargetFrameworks>net6.0;net7.0;net8.0-windows;netcoreapp3.1</TargetFrameworks>
+		<ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
     <UseWPF>true</UseWPF>
-    <AssemblyName>Vanara.WinUI.Extensions</AssemblyName>
-    <PackageId>$(AssemblyName)</PackageId>
-    <PackageTags>pinvoke;vanara;net-extensions;interop;winui;uwp;windows platform</PackageTags>
-    <PackageReleaseNotes>Currently implements:
+		<AssemblyName>Vanara.WinUI.Extensions</AssemblyName>
+		<PackageId>$(AssemblyName)</PackageId>
+		<PackageTags>pinvoke;vanara;net-extensions;interop;winui;uwp;windows platform</PackageTags>
+		<PackageReleaseNotes>Currently implements:
 
 Classes
 SystemFoundationExtensions
 
 </PackageReleaseNotes>
-    <PackageReadmeFile>pkgreadme.md</PackageReadmeFile>
-  </PropertyGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net48' ">
-    <Reference Include="netstandard" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\PInvoke\Gdi32\Vanara.PInvoke.Gdi32.csproj" />
-    <ProjectReference Include="..\PInvoke\User32\Vanara.PInvoke.User32.csproj" />
-    <ProjectReference Include="..\Windows.Shell.Common\Vanara.Windows.Shell.Common.csproj" />
-  </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="System.Runtime.WindowsRuntime" Version="4.7.0" />
-  </ItemGroup>
+		<PackageReadmeFile>pkgreadme.md</PackageReadmeFile>
+		<RootNamespace>Vanara.WinUI.Extensions</RootNamespace>
+	</PropertyGroup>
+	<ItemGroup>
+		<ProjectReference Include="..\PInvoke\Gdi32\Vanara.PInvoke.Gdi32.csproj" />
+		<ProjectReference Include="..\PInvoke\User32\Vanara.PInvoke.User32.csproj" />
+		<ProjectReference Include="..\Windows.Shell.Common\Vanara.Windows.Shell.Common.csproj" />
+	</ItemGroup>
+	<ItemGroup>
+		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.240923002" />
+		<PackageReference Include="System.Runtime.WindowsRuntime" Version="4.7.0" />
+	</ItemGroup>
 </Project>