public ActionResult Decorator()
{
IPhoto p = new Photo();
var b = p.GetPhoto();
WatermarkDecorator w = new WatermarkDecorator(p);
b = w.GetPhoto();
return(View());
}
public IActionResult GetImageWatermarked()
{
string fileName = hostingEnvironment.MapPath("images/computer.png");
IPhoto photo = new Photo(fileName);
WatermarkDecorator decorator = new WatermarkDecorator(photo, "Copyright (C) 2015.");
Bitmap bmp = decorator.GetPhoto();
MemoryStream stream = new MemoryStream();
bmp.Save(stream, ImageFormat.Png);
byte[] data = stream.ToArray();
stream.Close();
return(File(data, "image/png"));
}