更新整理

ShrlAlgoToolkit.Core/Assists/ImageAssist.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Interop;
+using System.Windows.Media.Imaging;
+
+namespace ShrlAlgoToolkit.Core.Assists;
+public class ImageAssist
+{
+    /// <summary>
+    /// 提取资源
+    /// </summary>
+    /// <param name="resourceName"></param>
+    /// <param name="path"></param>
+    public static void ExtractResource(string resourceName, string path)
+    {
+        using var manifestResourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName);
+        using var stream = File.Create(path);
+        var array = new byte[8192];
+        int count;
+        while ((count = manifestResourceStream.Read(array, 0, array.Length)) > 0)
+        {
+            stream.Write(array, 0, count);
+        }
+    }
+
+    /// <summary>
+    /// 资源管理器缩略图读取
+    /// </summary>
+    /// <param name="filename"></param>
+    /// <param name="width"></param>
+    /// <param name="height"></param>
+    /// <returns></returns>
+    public static BitmapSource LoadFileImage(string filename, int width, int height)
+    {
+        var bm = WindowsThumbnailProvider.GetThumbnail(filename, width, height, ThumbnailOptions.None);
+        return Imaging.CreateBitmapSourceFromHBitmap(bm.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
+    }
+}