feat:furion rbac搭建

Yi.Furion.Rbac/Yi.Framework.Module/ImageSharp/HeiCaptcha/ImageRgba32Extension.cs

@@ -0,0 +1,32 @@
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Formats.Gif;
+using SixLabors.ImageSharp.Formats.Png;
+using SixLabors.ImageSharp.PixelFormats;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Yi.Framework.Module.ImageSharp.HeiCaptcha
+{
+    public static class ImageRgba32Extension
+    {
+        public static byte[] ToPngArray<TPixel>(this Image<TPixel> img) where TPixel : unmanaged, IPixel<TPixel>
+        {
+            using (var ms = new MemoryStream())
+            {
+                img.Save(ms, PngFormat.Instance);
+                return ms.ToArray();
+            }
+        }
+
+        public static byte[] ToGifArray<TPixel>(this Image<TPixel> img) where TPixel : unmanaged, IPixel<TPixel>
+        {
+            using (var ms = new MemoryStream())
+            {
+                img.Save(ms, new GifEncoder());
+                return ms.ToArray();
+            }
+        }
+    }
+}