Fix NSGLView invalidation

[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 c9a126505180b66502795966a34656b2bc4ff524..2877f7a727b194121231a5d075a5bb55bf74bc35 100644 (file)
--- a/libs/canvas/canvas/lookup_table.h
+++ b/libs/canvas/canvas/lookup_table.h
@@ -22,6 +22,8 @@
 
 #include <vector>
 #include <boost/multi_array.hpp>
+
+#include "canvas/visibility.h"
 #include "canvas/types.h"
 
 class OptimizingLookupTableTest;
@@ -29,51 +31,50 @@ class OptimizingLookupTableTest;
 namespace ArdourCanvas {
 
 class Item;
-class Group;
 
-class LookupTable
+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 DumbLookupTable : public LookupTable
+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;
 };
 
-class OptimizingLookupTable : public LookupTable
+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;