I would say that lust is experienced by a person for another person, object or even an outcome. If a woman, however she is dressed, is lusted after, it is not her that is doing the lusting. If she wants to dress modestly, that is her choice. I might appreciate and approve of that choice, but that makes little difference in whether she is lusted after.
A person does not have to be actively tempting in any reasonably recognized way to become the object of lust. In some instances, covering a person up may make them more of a temptation.
To me enforced covering sounds like the sinner cannot control him or herself, so rather than learn control or have it taught, find some way to burden and place responsibility on the object of that lust.
A person can be passively tempting even while trying not to be. Actively tempting with numerous iterations of how that can be carried out. But lust is just lust.