Add scale functions to time classes.

1 files changed, 14 insertions, 4 deletions

diff --git a/src/time_pair.cc b/src/time_pair.cc
index e6708cd..9fc7974 100644
--- a/src/time_pair.cc
+++ b/src/time_pair.cc
@@ -23,25 +23,25 @@ using std::ostream;
 using namespace sub;
 
 FrameTime
-TimePair::frame (float frames_per_second) const
+TimePair::frame (float fps) const
 {
 	if (_frame) {
 		return _frame.get ();
 	}
 
 	MetricTime const m = _metric.get ();
-	return FrameTime (m.hours(), m.minutes(), m.seconds(), m.milliseconds() * frames_per_second / 1000);
+	return FrameTime (m.hours(), m.minutes(), m.seconds(), m.milliseconds() * fps / 1000);
 }
 
 MetricTime
-TimePair::metric (float frames_per_second) const
+TimePair::metric (float fps) const
 {
 	if (_metric) {
 		return _metric.get ();
 	}
 
 	FrameTime const f = _frame.get ();
-	return MetricTime (f.hours(), f.minutes(), f.seconds(), f.frames() * 1000 / frames_per_second);
+	return MetricTime (f.hours(), f.minutes(), f.seconds(), f.frames() * 1000 / fps);
 }
 
 void
@@ -54,6 +54,16 @@ TimePair::add (FrameTime t, float fps)
 	}
 }
 
+void
+TimePair::scale (float f, float fps)
+{
+	if (_frame) {
+		_frame.get().scale (f, fps);
+	} else {
+		_metric.get().scale (f);
+	}
+}
+
 bool
 TimePair::operator== (TimePair const & other) const
 {