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