class TouchHelper implements MultiTouchObjectCanvas {

  Object getDraggableObjectAtPoint(PointInfo pt) {
    return this;
  }

  void getPositionAndScale(Object obj, PositionAndScale objPosAndScaleOut) {
    objPosAndScaleOut.set(tx,ty,sc);
  }

  boolean setPositionAndScale(Object obj, PositionAndScale newObjPosAndScale, PointInfo touchPoint) {
    tx = newObjPosAndScale.getXOff();
    ty = newObjPosAndScale.getYOff();
    sc = newObjPosAndScale.getScale();
    return true;
  }

  void selectObject(Object obj, PointInfo pt) {
  }
}