Defines the type of the function that gets called every time a region of pixbuf is updated.
pixbuf
#GdkPixbufLoader uses a function of this type to emit the "area_updated" signal.
the #GdkPixbuf that is currently being loaded.
the X origin of the updated area.
the Y origin of the updated area.
the width of the updated area.
the height of the updated area.
Defines the type of the function that gets called every time a region of
pixbufis updated.#GdkPixbufLoader uses a function of this type to emit the "area_updated" signal.