annotations/Azaion.Dataset/BitmapExtensions.cs

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

namespace Azaion.Dataset;

public static class BitmapExtensions
{
    public static async Task<BitmapImage> OpenImage(this string imagePath)
    {
        var image = new BitmapImage();
        await using var stream = File.OpenRead(imagePath);
        image.BeginInit();
        image.CacheOption = BitmapCacheOption.OnLoad;
        image.StreamSource = stream;
        image.EndInit();
        image.Freeze();
        return image;
    }

    public static Size Size(this BitmapImage image) =>
        new(image.PixelWidth, image.PixelHeight);

}