QuadTreeIndex next_overlay;
// First object which has not yet been propagated to extant children/parent.
unsigned object_dirty;
+ bool render_dirty;
};
struct QuadTree
std::vector<QuadTreeNode> nodes;
QuadTreeIndex GetNeighbour(QuadTreeIndex start, int xdir, int ydir, Document *doc) const;
+ void GetCanonicalCoords(QuadTreeIndex& start, Real& x, Real& y, Document *doc);
};