Resize Image C#

private byte[] ResizeImg(byte[] originalImageBuffer)
{
    using var ms = new MemoryStream(originalImageBuffer);
    using (var originalImage = new Bitmap(Image.FromStream(ms)))
    {
        var maxWidthInPixels = 300;

        int height = originalImage.Height;
        int width = originalImage.Width;

        if (originalImage.Width > maxWidthInPixels)
        {
            var ratio = originalImage.Width * 1.0 / maxWidthInPixels;

            height = Convert.ToInt32(originalImage.Height * 1.0 / ratio);
            width = Convert.ToInt32(originalImage.Width * 1.0 / ratio);

            var resizedImage = new Bitmap(width, height);

            using (var graphics = Graphics.FromImage(resizedImage))
            {
                graphics.CompositingQuality = CompositingQuality.HighQuality;
                graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
                graphics.CompositingMode = CompositingMode.SourceCopy;
                graphics.DrawImage(originalImage, 0, 0, width, height);

                var qualityParamId = System.Drawing.Imaging.Encoder.Quality;
                var encoderParameters = new EncoderParameters(1);
                encoderParameters.Param[0] = new EncoderParameter(qualityParamId, 100);
                var codec = ImageCodecInfo.GetImageDecoders().FirstOrDefault(codec => codec.FormatID == ImageFormat.Png.Guid);

                using (MemoryStream ms2 = new MemoryStream())
                {
                    resizedImage.Save(ms2, codec, encoderParameters);
                    return ms2.ToArray();
                }
            }

        }

        return originalImageBuffer;
    }
}