using System.Drawing; using System.IO; namespace ShadowStream.Modules; public class JasonToString { public Bitmap Base64StringToBitmap(string base64String) { byte[] imageBytes = Convert.FromBase64String(base64String); using (MemoryStream ms = new MemoryStream(imageBytes)) { return new Bitmap(ms); } } public string BitmapToBase64String(Bitmap bitmap) { using (MemoryStream ms = new MemoryStream()) { bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png); // Save as PNG to MemoryStream byte[] imageBytes = ms.ToArray(); return Convert.ToBase64String(imageBytes); } } }