Added ToArray(Image image) to ImageHelper

common.props

@@ -36,6 +36,7 @@
 		<!-- Ref: https://learn.microsoft.com/en-us/dotnet/maui/deployment/trimming?view=net-maui-10.0#suppress-analysis-warnings -->
 		<SuppressTrimAnalysisWarnings>false</SuppressTrimAnalysisWarnings>
 		<TrimmerSingleWarn>false</TrimmerSingleWarn>
+		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     </PropertyGroup>
 
     <ItemGroup>

src/SharedMauiCoreLibrary/Utilities/ImageHelper.cs

@@ -7,10 +7,37 @@ public partial class ImageHelper
         public static byte[] ToArray(Microsoft.Maui.Graphics.IImage image)
         {
             using MemoryStream memory = new();
-
             image.Save(memory);
             return memory.ToArray();
         }
+        public static byte[] ToArray(FileStream imageStream)
+        {
+            if (imageStream is null)
+                return [];
+            using MemoryStream memory = new();
+            imageStream.CopyTo(memory);
+            return memory.ToArray();
+        }
+        public static async Task<byte[]> ToArrayAsync(FileStream imageStream)
+        {
+            if (imageStream is null)
+                return [];
+            using MemoryStream memory = new();
+            await imageStream.CopyToAsync(memory);
+            return memory.ToArray();
+        }
+        public static Task<byte[]> ToArrayAsync(string imagePath) => ToArrayAsync(GetImageStream(imagePath));
+        public static FileStream GetImageStream(string filePath) => File.OpenRead(filePath);
+        public static Task<FileStream> GetImageStreamAsync(string filePath) => Task.Run(() => File.OpenRead(filePath));
+        public static async Task<ImageSource?> LoadImageFromStream(string filePath)
+        {
+            if (File.Exists(filePath))
+            {
+                using FileStream imageStream = await GetImageStreamAsync(filePath).ConfigureAwait(false);
+                return ImageSource.FromStream(() => imageStream);
+            }
+            else return null;
+        }
         #endregion
     }
 }