diff options
Diffstat (limited to 'libs/canvas/rectangle.cc')
| -rw-r--r-- | libs/canvas/rectangle.cc | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/libs/canvas/rectangle.cc b/libs/canvas/rectangle.cc index c6381776e4..232da17893 100644 --- a/libs/canvas/rectangle.cc +++ b/libs/canvas/rectangle.cc @@ -255,17 +255,18 @@ void TimeRectangle::compute_bounding_box () const { Rectangle::compute_bounding_box (); - assert (_bounding_box); - Rect r = _bounding_box.get (); - - /* This is a TimeRectangle, so its right edge is drawn 1 pixel beyond - * (larger x-axis coordinates) than a normal Rectangle. - */ - - r.x1 += 1.0; /* this should be using safe_add() */ - - _bounding_box = r; + if (_bounding_box) { + Rect r = _bounding_box.get (); + + /* This is a TimeRectangle, so its right edge is drawn 1 pixel beyond + * (larger x-axis coordinates) than a normal Rectangle. + */ + + r.x1 += 1.0; /* this should be using safe_add() */ + + _bounding_box = r; + } } void |