avalonia structure refactoring

VisionBuilder.UI.Avalonia/Converters/BoolToVisibilityConverter.cs

@@ -0,0 +1,17 @@
+using System.Globalization;
+using Avalonia.Data.Converters;
+
+namespace VisionBuilder.UI.Avalonia.Converters;
+
+public class BoolToVisibilityConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        return value is true;
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+}

VisionBuilder.UI.Avalonia/Converters/MatToBitmapConverter.cs

@@ -0,0 +1,23 @@
+using System.Globalization;
+using Avalonia.Data.Converters;
+using OpenCvSharp;
+using VisionBuilder.UI.Avalonia.Services;
+
+namespace VisionBuilder.UI.Avalonia.Converters;
+
+public class MatToBitmapConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is Mat mat && !mat.Empty())
+        {
+            return ImageConverter.MatToAvaloniaBitmap(mat);
+        }
+        return null;
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+}