Add convenience api for image dnd (#150165):

Add convenience api for image dnd (#150165):

2004-10-21  Matthias Clasen  <mclasen@redhat.com>

	Add convenience api for image dnd (#150165):

	* gtk/gtkselection.h:
	* gtk/gtkselection.c (gtk_target_list_add_image_targets)
	(gtk_selection_data_set_pixbuf, gtk_selection_data_get_pixbuf):
	New functions to handle the image formats readable/writable
	by gdk-pixbuf.

	* gtk/gtkdnd.h:
	* gtk/gtkdnd.c (gtk_drag_dest_add_image_targets)
	(gtk_drag_source_add_text_targets): New functions to handle
	the image formats readable/writable by gdk-pixbuf.