void
MupExporter::writeClefAndKey(std::ofstream &str, TrackId trackNo)
{
Composition *c = m_composition;
for (Composition::iterator i = c->begin(); i != c->end(); ++i) {
if ((*i)->getTrack() == trackNo) {
Clef clef((*i)->getClefAtTime((*i)->getStartTime()));
Rosegarden::Key key((*i)->getKeyAtTime((*i)->getStartTime()));
str << "staff " << trackNo + 1 << "\n";
if (clef.getClefType() == Clef::Treble) {
str << "\tclef=treble\n";
} else if (clef.getClefType() == Clef::Alto) {
str << "\tclef=alto\n";
} else if (clef.getClefType() == Clef::Tenor) {
str << "\tclef=tenor\n";
} else if (clef.getClefType() == Clef::Bass) {
str << "\tclef=bass\n";
}
str << "\tkey=" << key.getAccidentalCount()
<< (key.isSharp() ? "#" : "&")
<< (key.isMinor() ? "minor" : "major") << std::endl;
m_clefKeyMap[trackNo] = ClefKeyPair(clef, key);
return ;
}
}
}
QStringList
ProjectPackager::getAudioFiles()
{
QStringList list;
// get the Composition from the document, so we can iterate through it
Composition *comp = &m_doc->getComposition();
// We don't particularly care about tracks here, so just iterate through the
// entire Composition to find the audio segments and get the associated
// file IDs from which to obtain a list of actual files. This could
// conceivably pick up audio segments that are residing on MIDI tracks and
// wouldn't otherwise be functional, but the important thing is to never
// miss a single file that has any chance of being worth preserving.
for (Composition::iterator i = comp->begin(); i != comp->end(); ++i) {
if ((*i)->getType() == Segment::Audio) {
AudioFileManager *manager = &m_doc->getAudioFileManager();
unsigned int id = (*i)->getAudioFileId();
AudioFile *file = manager->getAudioFile(id);
// some polite sanity checking to avoid possible crashes
if (!file) continue;
list << file->getFilename();
}
}
// QStringList::removeDuplicates() would have been easy, but it's only in Qt
// 4.5.0 and up. So here's the algorithm from Qt 4.5.0, courtesy of (and
// originally Copyright 2009) Nokia
QStringList *that = &list;
int n = that->size();
int j = 0;
QSet<QString> seen;
seen.reserve(n);
for (int i = 0; i < n; ++i) {
const QString &s = that->at(i);
if (seen.contains(s))
continue;
seen.insert(s);
if (j != i)
(*that)[j] = s;
++j;
}
if (n != j)
that->erase(that->begin() + j, that->end());
// return n - j;
return list;
}
bool
MupExporter::write()
{
Composition *c = m_composition;
std::ofstream str(m_fileName.c_str(), std::ios::out);
if (!str) {
std::cerr << "MupExporter::write() - can't write file " << m_fileName
<< std::endl;
return false;
}
str << "score\n";
str << "\tstaffs=" << c->getNbTracks() << "\n";
int ts = c->getTimeSignatureCount();
std::pair<timeT, TimeSignature> tspair;
if (ts > 0)
tspair = c->getTimeSignatureChange(0);
str << "\ttime="
<< tspair.second.getNumerator() << "/"
<< tspair.second.getDenominator() << "\n";
for (int barNo = -1; barNo < c->getNbBars(); ++barNo) {
for (TrackId trackNo = c->getMinTrackId();
trackNo <= c->getMaxTrackId(); ++trackNo) {
if (barNo < 0) {
writeClefAndKey(str, trackNo);
continue;
}
if (barNo == 0 && trackNo == 0) {
str << "\nmusic\n";
}
str << "\t" << trackNo + 1 << ":";
Segment *s = 0;
timeT barStart = c->getBarStart(barNo);
timeT barEnd = c->getBarEnd(barNo);
for (Composition::iterator ci = c->begin(); ci != c->end(); ++ci) {
if ((*ci)->getTrack() == trackNo &&
(*ci)->getStartTime() < barEnd &&
(*ci)->getEndMarkerTime() > barStart) {
s = *ci;
break;
}
}
TimeSignature timeSig(c->getTimeSignatureAt(barStart));
if (!s) {
// write empty bar
writeInventedRests(str, timeSig, 0, barEnd - barStart);
continue;
}
if (s->getStartTime() > barStart) {
writeInventedRests(str, timeSig,
0, s->getStartTime() - barStart);
}
// Mup insists that every bar has the correct duration, and won't
// recover if one goes wrong. Keep careful tabs on this: it means
// that for example we have to round chord durations down where
// the next chord starts too soon
//!!! we _really_ can't cope with time sig changes yet!
timeT writtenDuration = writeBar(str, c, s, barStart, barEnd,
timeSig, trackNo);
if (writtenDuration < timeSig.getBarDuration()) {
RG_DEBUG << "writtenDuration: " << writtenDuration
<< ", bar duration " << timeSig.getBarDuration()
<< endl;
writeInventedRests(str, timeSig, writtenDuration,
timeSig.getBarDuration() - writtenDuration);
} else if (writtenDuration > timeSig.getBarDuration()) {
std::cerr << "WARNING: overfull bar in Mup export: duration " << writtenDuration
<< " into bar of duration " << timeSig.getBarDuration()
<< std::endl;
//!!! warn user
}
str << "\n";
}
if (barNo >= 0)
str << "bar" << std::endl;
}
str << "\n" << std::endl;
str.close();
return true;
}
