decouple midi region note range and height from midi streamview.

[ardour.git] / libs / canvas / canvas / lookup_table.h

diff --git a/libs/canvas/canvas/lookup_table.h b/libs/canvas/canvas/lookup_table.h
index 5be33c1bca0d9df555acae60ee52ae7bc87fe87d..2877f7a727b194121231a5d075a5bb55bf74bc35 100644 (file)
--- a/libs/canvas/canvas/lookup_table.h
+++ b/libs/canvas/canvas/lookup_table.h
@@ -31,28 +31,27 @@ class OptimizingLookupTableTest;
 namespace ArdourCanvas {
 
 class Item;
-class Group;
 
 class LIBCANVAS_API LookupTable
 {
 public:
-    LookupTable (Group const &);
+    LookupTable (Item const &);
     virtual ~LookupTable ();
-    
+
     virtual std::vector<Item*> get (Rect const &) = 0;
     virtual std::vector<Item*> items_at_point (Duple const &) const = 0;
     virtual bool has_item_at_point (Duple const & point) const = 0;
 
 protected:
-       
-    Group const & _group;
+
+    Item const & _item;
 };
 
 class LIBCANVAS_API DumbLookupTable : public LookupTable
 {
 public:
-    DumbLookupTable (Group const &);
-    
+       DumbLookupTable (Item const &);
+
     std::vector<Item*> get (Rect const &);
     std::vector<Item*> items_at_point (Duple const &) const;
     bool has_item_at_point (Duple const & point) const;
@@ -61,21 +60,21 @@ public:
 class LIBCANVAS_API OptimizingLookupTable : public LookupTable
 {
 public:
-    OptimizingLookupTable (Group const &, int);
+    OptimizingLookupTable (Item const &, int);
     ~OptimizingLookupTable ();
     std::vector<Item*> get (Rect const &);
     std::vector<Item*> items_at_point (Duple const &) const;
     bool has_item_at_point (Duple const & point) const;
-    
+
     static int default_items_per_cell;
-    
+
   private:
-    
+
     void area_to_indices (Rect const &, int &, int &, int &, int &) const;
     void point_to_indices (Duple, int &, int &) const;
-    
+
     friend class ::OptimizingLookupTableTest;
-    
+
     typedef std::vector<Item*> Cell;
     int _items_per_cell;
     int _dimension;