diff options
Diffstat (limited to 'gtk2_ardour/tempo_lines.cc')
-rw-r--r-- | gtk2_ardour/tempo_lines.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gtk2_ardour/tempo_lines.cc b/gtk2_ardour/tempo_lines.cc index d73fb54b81..6bf7dfbde9 100644 --- a/gtk2_ardour/tempo_lines.cc +++ b/gtk2_ardour/tempo_lines.cc @@ -111,8 +111,12 @@ TempoLines::draw (const ARDOUR::TempoMap::BBTPointList::const_iterator& begin, line->set_ignore_events (true); } - line->set_x0 (xpos); - line->set_x1 (xpos); + /* move to 0.5 offset to ensure single pixel lines (see Cairo + * FAQ for info on why we do this). + */ + + line->set_x0 (xpos + 0.5); + line->set_x1 (xpos + 0.5); line->set_y0 (0.0); line->set_y1 (_height); line->set_outline_color (color); |