Display_D_HP/TeamAAS-VM/ValueConverter/RoiToTextConverter.cs

using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;

namespace TeamAAS_VP.ValueConverter
{
    public class RoiToTextConverter : IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
        {
            try
            {
                if (values == null || values.Length < 5)
                    return "δÉèÖÃ";

                // Helper to get numeric value from different value types
                double GetDouble(object v)
                {
                    if (v == null) return double.NaN;
                    if (v is double d) return d;
                    if (v is float f) return f;
                    if (v is int i) return i;
                    if (v is long l) return l;
                    if (v is short s) return s;
                    if (v is string s2 && double.TryParse(s2, out var p)) return p;
                    if (v == DependencyProperty.UnsetValue) return double.NaN;
                    return double.NaN;
                }

                double x = GetDouble(values[0]);
                double y = GetDouble(values[1]);
                double w = GetDouble(values[2]);
                double h = GetDouble(values[3]);
                double angle = GetDouble(values[4]);

                if (double.IsNaN(x) || double.IsNaN(y) || double.IsNaN(w) || double.IsNaN(h) || double.IsNaN(angle))
                    return "δÉèÖÃ";

                if (w <= 0 || h <= 0)
                    return "δÉèÖÃ";

                return $"X={x:F0}, Y={y:F0}, W={w:F0}, H={h:F0}, Angle={angle:F1}¡ã";
            }
            catch
            {
                return "δÉèÖÃ";
            }
        }

        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}