// this class is using system Action<>, it does not return anything
// system Func<> returning something
public void Process(string path, Action <Photo> photoFilterHandler)
{
Photo photo = Photo.Load(path);
photoFilterHandler(photo);
photo.Save();
}
public void Process(PhotoFilterHandler filterHandler)
{
var photo = new Photo();
filterHandler(photo);
photo.Save();
}
//public delegate void PhotoFilterHandler(Photo photo); //Using the inbuilt Generic Delegate instead of creating one.
public void Process(string path, Action <Photo> filterHandler)
{
var photo = new Photo(path);
filterHandler(photo);
//var filters = new PhotoFilters();
//filters.ApplyBrightness(photo);
//filters.ApplyContrast(photo);
//filters.Resize(photo);
photo.Save();
}
public void Process()
{
var photo = new Photo();
var filters = new PhotoFilters();
filters.ApplyBrightness(photo);
filters.ApplyContrast(photo);
filters.Resize(photo);
photo.Save();
}