gimp_channel_shrink (GimpChannel  *channel,
                     gint          radius_x,
                     gint          radius_y,
                     gboolean      edge_lock,
                     gboolean      push_undo)
{
  g_return_if_fail (GIMP_IS_CHANNEL (channel));

  if (! gimp_item_is_attached (GIMP_ITEM (channel)))
    push_undo = FALSE;

  GIMP_CHANNEL_GET_CLASS (channel)->shrink (channel, radius_x, radius_y,
                                            edge_lock, push_undo);
}
Unknown