Request: Zoom to face

[nitrag]

Would be cool to also zoom to the face so that the head+neck+shoulders is visible. Great for Avatars.

[K4stor]

I think zooming so, that the neck an shoulders are visible is hard, since we need to detect them first.
But I could try to zoom the image so, that the face takes a certain percentage of the imge.
I suppose that this would work for avatars just fine, what do you think ?