X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fcanvas%2Fpoly_item.cc;h=fc60778960e56890a2c52011ceb5dfdf7bfeb295;hb=4ee8a0e9fc2a35441e2bb016f173adf5e521660d;hp=0d3369f70b0a822ba94eaa359027aa75b6c7dd65;hpb=5399425f534e2d96d07cf29f427bfa0f39d904b7;p=ardour.git

diff --git a/libs/canvas/poly_item.cc b/libs/canvas/poly_item.cc
index 0d3369f70b..fc60778960 100644
--- a/libs/canvas/poly_item.cc
+++ b/libs/canvas/poly_item.cc
@@ -27,22 +27,25 @@
 using namespace std;
 using namespace ArdourCanvas;
 
-PolyItem::PolyItem (Group* parent)
-	: Item (parent)
-	, Outline (parent)
+PolyItem::PolyItem (Canvas* c)
+	: Item (c)
 {
+}
 
+PolyItem::PolyItem (Item* parent)
+	: Item (parent)
+{
 }
 
 void
 PolyItem::compute_bounding_box () const
 {
-	
+
 	if (!_points.empty()) {
 
 		Rect bbox;
 		Points::const_iterator i = _points.begin();
-		
+
 		bbox.x0 = bbox.x1 = i->x;
 		bbox.y0 = bbox.y1 = i->y;
 
@@ -56,13 +59,13 @@ PolyItem::compute_bounding_box () const
 			++i;
 		}
 
-		_bounding_box = bbox.expand (_outline_width);
+		_bounding_box = bbox.expand (_outline_width + 0.5);
+
 
-		
 	} else {
-		_bounding_box = boost::optional<Rect> ();
+		_bounding_box = Rect ();
 	}
-	
+
 	_bounding_box_dirty = false;
 }
 
@@ -110,14 +113,14 @@ PolyItem::render_curve (Rect const & area, Cairo::RefPtr<Cairo::Context> context
 		Duple c2 = item_to_window (Duple (cp2->x, cp2->y));
 
 		c = item_to_window (Duple (p->x, p->y));
-		
-		context->curve_to (c1.x + pixel_adjust, 
-				   c1.y + pixel_adjust, 
-				   c2.x + pixel_adjust, 
-				   c2.y + pixel_adjust, 
-				   c.x + pixel_adjust, 
+
+		context->curve_to (c1.x + pixel_adjust,
+				   c1.y + pixel_adjust,
+				   c2.x + pixel_adjust,
+				   c2.y + pixel_adjust,
+				   c.x + pixel_adjust,
 				   c.y + pixel_adjust);
-		
+
 		++cp1;
 		++cp2;
 		++p;
@@ -130,9 +133,9 @@ PolyItem::set (Points const & points)
 	if (_points != points) {
 
 		begin_change ();
-		
+
 		_points = points;
-		
+
 		_bounding_box_dirty = true;
 		end_change ();
 	}