fix crash when copy'ing latent plugins

[ardour.git] / libs / canvas / outline.cc

diff --git a/libs/canvas/outline.cc b/libs/canvas/outline.cc
index be8b924df25a5b3a0f01858b1635709a7f926612..9416859e59b0a8ef9269c042b211076f01731884 100644 (file)
--- a/libs/canvas/outline.cc
+++ b/libs/canvas/outline.cc
@@ -23,28 +23,29 @@
 #include "pbd/convert.h"
 
 #include "ardour/utils.h"
+
+#include "canvas/item.h"
 #include "canvas/outline.h"
 #include "canvas/utils.h"
 #include "canvas/debug.h"
 
 using namespace ArdourCanvas;
 
-Outline::Outline (Group* parent)
-       : Item (parent)
+Outline::Outline (Item& self)
+       : _self (self)
        , _outline_color (0x000000ff)
        , _outline_width (1.0)
        , _outline (true)
 {
-
 }
 
 void
 Outline::set_outline_color (Color color)
 {
        if (color != _outline_color) {
-               begin_visual_change ();
+               _self.begin_visual_change ();
                _outline_color = color;
-               end_visual_change ();
+               _self.end_visual_change ();
        }
 }
 
@@ -52,10 +53,10 @@ void
 Outline::set_outline_width (Distance width)
 {
        if (width != _outline_width) {
-               begin_change ();
+               _self.begin_change ();
                _outline_width = width;
-               _bounding_box_dirty = true;
-               end_change ();
+               _self._bounding_box_dirty = true;
+               _self.end_change ();
        }
 }
 
@@ -63,10 +64,10 @@ void
 Outline::set_outline (bool outline)
 {
        if (outline != _outline) {
-               begin_change ();
+               _self.begin_change ();
                _outline = outline;
-               _bounding_box_dirty = true;
-               end_change ();
+               _self._bounding_box_dirty = true;
+               _self.end_change ();
        }
 }