Initial release of Orbit 1.1.2

CustomIcons.cs

@@ -0,0 +1,26 @@
+using System.IO;
+using System.Windows.Media.Imaging;
+
+namespace ShortcutsPanel;
+
+public static class CustomIcons
+{
+    public static string FromFile(string path)
+    {
+        if (new FileInfo(path).Length > 5 * 1024 * 1024) throw new InvalidDataException("Choose an image smaller than 5 MB.");
+        using var stream = File.OpenRead(path);
+        var bitmap = new BitmapImage(); bitmap.BeginInit(); bitmap.CacheOption = BitmapCacheOption.OnLoad;
+        bitmap.DecodePixelWidth = 96; bitmap.StreamSource = stream; bitmap.EndInit(); bitmap.Freeze();
+        var png = new PngBitmapEncoder(); png.Frames.Add(BitmapFrame.Create(bitmap)); using var output = new MemoryStream(); png.Save(output);
+        var encoded = Convert.ToBase64String(output.ToArray()); Decode(encoded); return encoded;
+    }
+    public static BitmapSource Decode(string encoded)
+    {
+        if (encoded.Length > 350000) throw new InvalidDataException("Custom icon is too large.");
+        using var stream = new MemoryStream(Convert.FromBase64String(encoded));
+        var bitmap = new BitmapImage(); bitmap.BeginInit(); bitmap.CacheOption = BitmapCacheOption.OnLoad;
+        bitmap.DecodePixelWidth = 96; bitmap.StreamSource = stream; bitmap.EndInit(); bitmap.Freeze();
+        if (bitmap.PixelHeight > 1024) throw new InvalidDataException("Custom icon has unsupported dimensions.");
+        return bitmap;
+    }
+}