using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
using System.Windows.Media.Imaging;

namespace Karaoke_Kingpin.Converters
{
    [ValueConversion(typeof(System.Drawing.Bitmap), typeof(BitmapImage))]
    public class BitmapToImageSourceConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is Bitmap bitmap)
            {
                using (MemoryStream memory = new MemoryStream())
                {
                    bitmap.Save(memory, System.Drawing.Imaging.ImageFormat.Png);
                    memory.Position = 0;
                    BitmapImage bitmapImage = new BitmapImage();
                    bitmapImage.BeginInit();
                    bitmapImage.StreamSource = memory;
                    bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
                    bitmapImage.EndInit();
                    bitmapImage.Freeze(); // Important for use in a different thread!
                    return bitmapImage;
                }
            }
            return null;
        }

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