Describes the image data representation used by a GtkImage. If you want to get the image from the widget, you can only get the currently stored representation. For example, if the get_storage_type() returns Gtk::IMAGE_PIXBUF, then you can call get_pixbuf() but not get_stock. For empty images, you can request any storage type (call any of the "get" functions), but they will all return null values.
|0||Gtk::IMAGE_EMPTY||There is no image displayed by the widget.|
|1||Gtk::IMAGE_PIXMAP||The widget contains a GdkPixmap.|
|2||Gtk::IMAGE_IMAGE||The widget contains a GdkImage.|
|3||Gtk::IMAGE_PIXBUF||The widget contains a GdkPixbuf.|
|4||Gtk::IMAGE_STOCK||The widget contains a stock icon name|
|5||Gtk::IMAGE_ICON_SET||The widget contains a GtkIconSet.|
|6||Gtk::IMAGE_ANIMATION||The widget contains a GdkPixbufAnimation.|