Drawing bitmapdata with negative top left

Sorry for the possibly confusing title.

I wanted to use the well known method for turning your vector graphic into bitmaps.

Ie, something like:

var bmd:BitmapData = new BitmapData(src.width, src.height)
bmd.draw(src);
var bm:Bitmap = new Bitmap(bmd)

My problem is that my source has a centered registration point meaning the top left is at negative x and y values, and the bitmap only draws the content from point (0, 0).

Is it possible to draw the bitmap regardless of the registration point position, or do I have to draw if from point (0, 0) and then put it centered in a container?