Copy the key/value pair options attached to a #GdkPixbuf to another.
This is useful to keep original metadata after having manipulated
a file. However be careful to remove metadata which you've already
applied, such as the "orientation" option after rotating the image.
Copy the key/value pair options attached to a #GdkPixbuf to another. This is useful to keep original metadata after having manipulated a file. However be careful to remove metadata which you've already applied, such as the "orientation" option after rotating the image.