X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fquadtree.h;h=4b752696022408e09a8e0da547b260a3233cdaeb;hp=d5eddd8600660df7acb16345434d462d0c6e15d9;hb=888817a67a9d840be66b52811b01eb77f10ff3e6;hpb=85e08223a33439f9b4911129b48ee45ff65869eb

diff --git a/src/quadtree.h b/src/quadtree.h
index d5eddd8..4b75269 100644
--- a/src/quadtree.h
+++ b/src/quadtree.h
@@ -6,6 +6,7 @@
 
 
 #include "common.h"
+#include "ipdf.h"
 
 namespace IPDF
 {
@@ -45,7 +46,15 @@ namespace IPDF
 		QuadTree() : root_id(QUADTREE_EMPTY) {}
 		QuadTreeIndex root_id;
 		std::vector<QuadTreeNode> nodes;
+
+		QuadTreeIndex GetNeighbour(QuadTreeIndex start, int xdir, int ydir) const;
+
 	};
+
+	Rect TransformToQuadChild(const Rect& src, QuadTreeNodeChildren child_type);
+	Rect TransformFromQuadChild(const Rect& src, QuadTreeNodeChildren child_type);
+	bool IntersectsQuadChild(const Rect& src, QuadTreeNodeChildren child_type);
+	bool ContainedInQuadChild(const Rect& src, QuadTreeNodeChildren child_type);
 }
 
 #else