Given a gtk.SelectionData object holding a list of targets, determines if any of the targets in targets can be used to provide a gdk.Pixbuf
whether to accept only targets for which GTK+ knows how to convert a pixbuf into the format
TRUE if selection_data holds a list of targets, and a suitable target for images is included, otherwise FALSE.
2.6
Given a gtk.SelectionData object holding a list of targets, determines if any of the targets in targets can be used to provide a gdk.Pixbuf