Batiks have such a range in choices, from reads like solid thru to large prints.
As mentioned you may need to watch those with great colour variations, as it could destroy your colour placements.
If your friend wants all batiks, providing you have a good assortment to choose from, you should be able to create the whole quilt with batiks. That being said, of course, we do not know which bargello pattern you will be using, and thus, it may change the whole scenario.