public void SaveTest()
{
string filename = AppDomain.CurrentDomain.BaseDirectory + "\\a.jpg";
string filenamenew = filename + "_new.jpg";
// ImageHelper.AddWater(filename, filename + "_new.jpg", "www.im1024.com");
// ImageHelper.LocalImage2Thumbs(filename, filenamenew, 400, 300);
ImageHelper.RemoteImage2Thumbs("http://a.hiphotos.baidu.com/image/w%3D2048/sign=e9e1e60e5b82b2b7a79f3ec40595caef/b58f8c5494eef01f728c66cfe2fe9925bc317d1b.jpg", filename, 200, 250);
ImageHelper.AddWater(filename, filename + "_new.jpg", "www.im1024.com");
}