crysome/Crysome.Server/Crysome.Server.Converters/ByteArrayToImageConverter.cs

using System;
using System.Globalization;
using System.IO;
using System.Windows;
using System.Windows.Data;
using System.Windows.Media.Imaging;

namespace Crysome.Server.Converters;

[ValueConversion(typeof(byte[]), typeof(BitmapImage))]
public class ByteArrayToImageConverter : IValueConverter
{
	public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
	{
		if (!(value is byte[] array) || array.Length == 0)
		{
			return null;
		}
		try
		{
			BitmapImage bitmapImage = new BitmapImage();
			bitmapImage.BeginInit();
			bitmapImage.StreamSource = new MemoryStream(array);
			bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
			bitmapImage.EndInit();
			((Freezable)bitmapImage).Freeze();
			return bitmapImage;
		}
		catch
		{
			return null;
		}
	}

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