Defines the type of the function that gets called every time a region of @pixbuf is updated.
#GdkPixbufLoader uses a function of this type to emit the "<link linkend="GdkPixbufLoader-area-updated">area_updated</link>" signal.
2.2
See Implementation
Defines the type of the function that gets called every time a region of @pixbuf is updated.
#GdkPixbufLoader uses a function of this type to emit the "<link linkend="GdkPixbufLoader-area-updated">area_updated</link>" signal.