非dicom 匿名图像 以及用户重置密码

IRaCIS.Core.Application/Helper/OtherTool/ImageHelper.cs

@@ -3,8 +3,11 @@ using FellowOakDicom.Imaging;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.Formats.Jpeg;
 using SixLabors.ImageSharp.Processing;
+using SixLabors.ImageSharp.PixelFormats;
+using IRaCIS.Core.Application.Helper;
+using SixLabors.ImageSharp.Drawing.Processing;
+
 
-namespace IRaCIS.Core.Application.Helper;
 
 public static class ImageHelper
 {
@@ -28,7 +31,7 @@ public static class ImageHelper
             image.Save(fileStorePath, new JpegEncoder());
         }
 
-       
+
     }
 
 
@@ -60,6 +63,36 @@ public static class ImageHelper
     }
 
 
+
+
+    public static class ImageMaskHelper
+    {
+        public static async Task MaskAsync(Stream input, Stream output, IEnumerable<MaskRegion> regions)
+        {
+            // 确保输入流从起始位置读取
+            if (input.CanSeek && input.Position != 0)
+            {
+                input.Position = 0;
+            }
+
+            using var image = await Image.LoadAsync(input);
+
+            // 保存原始图片的编码格式
+            var originalFormat = image.Metadata.DecodedImageFormat;
+
+            image.Mutate(ctx =>
+            {
+                foreach (var r in regions)
+                {
+                    ctx.Fill(Color.White, new Rectangle(r.X, r.Y, r.Width, r.Height));
+                }
+            });
+
+            // 使用原始格式保存，保持格式不变
+            await image.SaveAsync(output, originalFormat);
+        }
+    }
+
 }