diff options
Diffstat (limited to 'libs/canvas/canvas.cc')
| -rw-r--r-- | libs/canvas/canvas.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libs/canvas/canvas.cc b/libs/canvas/canvas.cc index a004d64ad3..47784626aa 100644 --- a/libs/canvas/canvas.cc +++ b/libs/canvas/canvas.cc @@ -163,6 +163,18 @@ Canvas::prepare_for_render (Rect const & area) const } } +gint64 +Canvas::get_microseconds_since_render_start () const +{ + gint64 timestamp = g_get_monotonic_time(); + + if (_last_render_start_timestamp == 0 || timestamp <= _last_render_start_timestamp) { + return 0; + } + + return timestamp - _last_render_start_timestamp; +} + ostream& operator<< (ostream& o, Canvas& c) { |