public void getMovementArea(State state, RectF out) {
        movBounds.set(state).getExternalBounds(out);
    }
public void getMovementArea ( State state , RectF out ) { movBounds . set ( state ) . getExternalBounds ( out ) ; }
Calculates area in which {@link State#getX()} &amp; {@link State#getY()} values can change.
Note, that this is different from {@link Settings#setMovementArea(int, int)} which defines
part of the viewport in which image can move.

@param state Current state
@param out Output movement area rectangle