bool NoteTrack::Cut(double t0, double t1, Track **dest) {
//dest goes onto clipboard
*dest = NULL; // This is redundant
if (t1 <= t0)
return false;
double len = t1-t0;
NoteTrack *newTrack = new NoteTrack(mDirManager);
newTrack->Init(*this);
mSeq->convert_to_seconds();
newTrack->mSeq = mSeq->cut(t0, len, false);
mLen = (mLen <= len ? 0.0 : mLen - len);
newTrack->mLen = len;
// What should be done with the rest of newTrack's members?
//(mBottomNote, mDirManager, mLastMidiPosition,
// mSerializationBuffer, mSerializationLength, mVisibleChannels)
*dest = newTrack;
return true;
}
bool NoteTrack::Copy(double t0, double t1, Track **dest){
//dest goes onto clipboard
*dest = NULL; // This is redundant and matches WaveTrack::Copy
if (t1 <= t0)
return false;
double len = t1-t0;
NoteTrack *newTrack = new NoteTrack(mDirManager);
newTrack->Init(*this);
mSeq->convert_to_seconds();
newTrack->mSeq = mSeq->copy(t0 - GetOffset(), len, false);
newTrack->SetOffset(GetOffset());
// What should be done with the rest of newTrack's members?
//(mBottomNote, mDirManager, mLastMidiPosition,
// mSerializationBuffer, mSerializationLength, mVisibleChannels)
*dest = newTrack;
return true;
}
Track *NoteTrack::Duplicate()
{
NoteTrack *duplicate = new NoteTrack(mDirManager);
duplicate->Init(*this);
// Duplicate on NoteTrack moves data from mSeq to mSerializationBuffer
// and from mSerializationBuffer to mSeq on alternate calls. Duplicate
// to the undo stack and Duplicate back to the project should result
// in serialized blobs on the undo stack and traversable data in the
// project object.
if (mSeq) {
SonifyBeginSerialize();
assert(!mSerializationBuffer);
// serialize from this to duplicate's mSerializationBuffer
mSeq->serialize((void**)&duplicate->mSerializationBuffer,
&duplicate->mSerializationLength);
SonifyEndSerialize();
} else if (mSerializationBuffer) {
SonifyBeginUnserialize();
assert(!mSeq);
Alg_track_ptr alg_track = Alg_seq::unserialize(mSerializationBuffer,
mSerializationLength);
assert(alg_track->get_type() == 's');
duplicate->mSeq = (Alg_seq_ptr) alg_track;
SonifyEndUnserialize();
} else assert(false); // bug if neither mSeq nor mSerializationBuffer
// copy some other fields here
duplicate->SetBottomNote(mBottomNote);
duplicate->SetPitchHeight(mPitchHeight);
duplicate->mLastMidiPosition = mLastMidiPosition;
duplicate->mVisibleChannels = mVisibleChannels;
duplicate->SetOffset(GetOffset());
#ifdef EXPERIMENTAL_MIDI_OUT
duplicate->SetGain(GetGain());
#endif
return duplicate;
}
