C# image utilities

ImageUtil.cs

using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;

public static class ImageUtil
{
	public static Image Resize(this Image image, int width, int height)
	{
		var destRect = new Rectangle(0, 0, width, height);
		var destImage = new Bitmap(width, height);

		destImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);

		using var graphics = Graphics.FromImage(destImage);
		graphics.CompositingMode = CompositingMode.SourceCopy;
		graphics.CompositingQuality = CompositingQuality.HighQuality;
		graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
		graphics.SmoothingMode = SmoothingMode.HighQuality;
		graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;

		using var wrapMode = new ImageAttributes();
		wrapMode.SetWrapMode(WrapMode.TileFlipXY);
		graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, wrapMode);
		
		return destImage;
	}

        public static byte[] ToByteArray(this Image image, ImageFormat format)
        {
            using var ms = new MemoryStream();

            image.Save(ms, format);
            return ms.ToArray();
        }
}