Migrate aurora-sharp-desktop

aurora-sharp-desktop/Aurora/Design/Converters/DoubleToLayoutOptions.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Globalization;
+using Xamarin.Forms;
+
+namespace Aurora.Design.Converters
+{
+    public class DoubleToLayoutOptionsConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var result = double.TryParse(value.ToString(), out double val);
+            if (result && val > 0)
+            {
+                return LayoutOptions.CenterAndExpand;
+            }
+            return LayoutOptions.FillAndExpand;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return null;
+        }
+    }
+}