Initial Avalonia version

MapControl/Avalonia/ImageLoader.Avalonia.cs

@@ -0,0 +1,45 @@
+// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
+// Copyright © 2024 Clemens Fischer
+// Licensed under the Microsoft Public License (Ms-PL)
+
+using Avalonia.Media;
+using Avalonia.Media.Imaging;
+using System;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace MapControl
+{
+    public static partial class ImageLoader
+    {
+        public static IImage LoadImage(Uri uri)
+        {
+            return null;
+        }
+
+        public static IImage LoadImage(Stream stream)
+        {
+            return new Bitmap(stream);
+        }
+
+        public static Task<IImage> LoadImageAsync(Stream stream)
+        {
+            return Task.FromResult(LoadImage(stream));
+        }
+
+        public static Task<IImage> LoadImageAsync(string path)
+        {
+            return Task.Run(() =>
+            {
+                if (!File.Exists(path))
+                {
+                    return null;
+                }
+
+                using var stream = File.OpenRead(path);
+
+                return LoadImage(stream);
+            });
+        }
+    }
+}