drop use of bounding box to determine whether an item covers a point; add Item::covers(Duple const&)

Default implementation for Item still uses bounding box, but specializations for Arc (Circle), Polygon, Line and PolyLine have been added

1 files changed, 2 insertions, 0 deletions

diff --git a/libs/canvas/canvas/arc.h b/libs/canvas/canvas/arc.h
index fc1b72163e..c8d7f8e44f 100644
--- a/libs/canvas/canvas/arc.h
+++ b/libs/canvas/canvas/arc.h
@@ -51,6 +51,8 @@ public:
 		return _start_degrees;
 	}
 
+        bool covers (Duple const &) const;
+
 private:
         Duple  _center;
         Coord  _radius;