Avalonia_2024/AvaloniaApplicationTestNew/Resources/ImageConverter.cs

using System;
using System.Collections.Generic;
using Avalonia.Data.Converters;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Globalization;
using System.IO;
using Avalonia.Media.Imaging;
using SixLabors.ImageSharp.Memory;
using SixLabors.ImageSharp.Formats;
using System.Collections;
using System.IO.Compression;
using SkiaSharp;


namespace AvaloniaApplicationTestNew.Resources
{
    internal class ImageConverter : IValueConverter
    {
        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
        {
            if (value is byte[]) return new Bitmap(new MemoryStream((byte[])value));
            return null;
        }

        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
        {
            if (value is Bitmap)
            {
                byte[] byteArray;
                Bitmap bitmap = (Bitmap)value;
                using (MemoryStream stream = new MemoryStream())
                {
                    bitmap.Save(stream);
                    byteArray = stream.ToArray();
                    return byteArray;
                }
            }
            return null;
        }
    }
}