11 #include "PointParentItem.h" 
   13 #include "MeasureLeafItem.h" 
   17   PointParentItem::PointParentItem(ControlPoint *cp,
 
   18       int avgCharWidth, AbstractTreeItem *parent)
 
   19     : AbstractTreeItem(parent), AbstractPointItem(cp, avgCharWidth) {
 
   23   PointParentItem::~PointParentItem() {
 
   27   void PointParentItem::addChild(AbstractTreeItem *child) {
 
   29     ASSERT(
dynamic_cast< MeasureLeafItem * 
>(child));
 
   31     AbstractParentItem::addChild(child);