TimeTrackEditing.cpp File Reference

#include "Envelope.h"
#include "TempoChange.h"
#include "TimeTrack.h"

Include dependency graph for TimeTrackEditing.cpp:

Go to the source code of this file.

Typedefs
using	OnTimeTrackProjectTempoChange = OnProjectTempoChange::Override< TimeTrack >

Functions
	DEFINE_ATTACHED_VIRTUAL_OVERRIDE (OnTimeTrackProjectTempoChange)

Detailed Description

---

Audacity: A Digital Audio Editor

PaulLicameli

Definition in file TimeTrackEditing.cpp.

Typedef Documentation

OnTimeTrackProjectTempoChange

using OnTimeTrackProjectTempoChange = OnProjectTempoChange::Override<TimeTrack>

Definition at line 15 of file TimeTrackEditing.cpp.

Function Documentation

DEFINE_ATTACHED_VIRTUAL_OVERRIDE()

DEFINE_ATTACHED_VIRTUAL_OVERRIDE

(

OnTimeTrackProjectTempoChange

)

Definition at line 16 of file TimeTrackEditing.cpp.

                                                                {
   return [](TimeTrack &track,
      const std::optional<double> &oldTempo, double newTempo)
   {
      if (!oldTempo.has_value())
         return;
      const auto ratio = *oldTempo / newTempo;
      track.GetEnvelope()->RescaleTimesBy(ratio);
   };
}

References TimeTrack::GetEnvelope(), and Envelope::RescaleTimesBy().

Here is the call graph for this function: