Transforms a point from the coordinate space of the javafx.stage.Screen into the local coordinate space of this Node.

Parameters:

screenX		x coordinate of a point on a Screen
screenY		y coordinate of a point on a Screen

Returns:  local Node's coordinates of the point or null if Node is not in a Window. Null is also returned if the transformation from local to Scene is not invertible.

Since:  JavaFX 8.0