C＃如何为jpeg图像添加水印？

Question

使用C＃我如何将正在读取的jpeg图像嵌入到内存流中并保存到字节数组中？

using (MemoryStream imageStream = new MemoryStream()) 
{ 
     pbPreview.Image.Save(imageStream, ImageFormat.Jpeg); 
     photoBytes = imageStream.ToArray(); 
} 

谢谢

Answer 1

请看看：Watermark Creator和Creating a Watermarked Photograph with GDI+ for .NET

更详细的解释在这里：Build a simple watermarking utility in C#