lots of tweaking and adding debug output including operator<</dump(ostream&) methods to help visualize canvas structure

1 files changed, 15 insertions, 0 deletions

diff --git a/libs/canvas/poly_item.cc b/libs/canvas/poly_item.cc
index 1fb2c6c8b8..e43d48fa8d 100644
--- a/libs/canvas/poly_item.cc
+++ b/libs/canvas/poly_item.cc
@@ -1,7 +1,10 @@
 #include <algorithm>
+
 #include "pbd/xml++.h"
 #include "pbd/compose.h"
+
 #include "canvas/poly_item.h"
+#include "canvas/canvas.h"
 
 using namespace std;
 using namespace ArdourCanvas;
@@ -33,6 +36,7 @@ PolyItem::compute_bounding_box () const
 		}
 	}
 
+
 	if (!have_one) {
 		_bounding_box = boost::optional<Rect> ();
 	} else {
@@ -99,3 +103,14 @@ PolyItem::set_poly_item_state (XMLNode const * node)
 
 	_bounding_box_dirty = true;
 }
+
+void
+PolyItem::dump (ostream& o) const
+{
+	Item::dump (o);
+
+	o << _canvas->indent() << _points.size() << " points" << endl;
+	for (Points::const_iterator i = _points.begin(); i != _points.end(); ++i) {
+		o << i->x << ", " << i->y << endl;
+	}
+}