Avalonia panel that automatically scales content based on MinWidth & MinHeight

AutoScalePanel.cs

using Avalonia;
using Avalonia.Controls;
using Avalonia.Media;
using Avalonia.Media.Immutable;

namespace Vinodyss
{
    public class AutoScalePanel : Panel
    {
        #region Methods

        private Size GetDesiredSize(Size parentSize)
        {
            var sw = parentSize.Width / MinWidth;
            var sh = parentSize.Height / MinHeight;
            var nw = sw >= sh ? MinWidth * sw / sh : MinWidth;
            var nh = sw >= sh ? MinHeight : MinHeight * sh / sw;
            return new Size(nw, nh);
        }

        private void UpdateChildren(Size desiredSize)
        {
            foreach (var child in Children)
            {
                child.Arrange(new Rect(new Point(0, 0), desiredSize));
            }
        }

        private void UpdateTransform(Size desiredSize, Size parentSize)
        {
            var scale = Stretch.Uniform.CalculateScaling(parentSize, desiredSize);
            var scaleMatrix = Matrix.CreateScale(scale.X, scale.Y);
            RenderTransform = new ImmutableTransform(scaleMatrix);
        }

        #endregion

        #region Overrides of Layoutable

        protected override Size ArrangeOverride(Size parentSize)
        {
            var desiredSize = GetDesiredSize(parentSize);
            UpdateChildren(desiredSize);
            UpdateTransform(desiredSize, parentSize);
            return desiredSize;
        }

        #endregion
    }
}

Recording.2024-01-06.213552.mp4