FOSS gamedev and creative worlds

Is this already possible? Or do I have to expand hud to manually replicate the needed functionality?

Status bars, eg. the health/breath bars, or the hotbar?
The item hotbar can be re-positioned, but can't change orientation, ie it has to stay horizontal.
The status bars(health, breath) can be moved around and even vertical, but cutting images in half, ie. half heart, will still cut the image in half horizontally instead of vertical.