Given a #GtkSelectionData object holding a list of targets, determines if any of the targets in @targets can be used to provide a #GdkPixbuf.
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
See Implementation
Given a #GtkSelectionData object holding a list of targets, determines if any of the targets in @targets can be used to provide a #GdkPixbuf.