.net生成文字圖片

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? System.Drawing.Bitmap?? bmp=new?? Bitmap(Bitmap.FromFile(Server.MapPath("42.jpg")));//載入圖片??
? System.Drawing.Graphics?? g=Graphics.FromImage(bmp);??
???
? g.DrawString("abcd測試",new?? Font("黑體",18),new?? SolidBrush(Color.Black),1,1);??
? //這里選擇文本字體顏色??
? g.Dispose();??
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? //輸出GIF,你要其它格式也可以自己改??
? Response.ContentType="image/gif";??
? bmp.Save(Response.OutputStream,System.Drawing.Imaging.ImageFormat.Gif);