C++ Tuplet::setTrack方法代码示例

void createTupletNotes(
            Staff *staff,
            const std::multimap<ReducedFraction, TupletData> &tuplets)
      {
      Score* score = staff->score();
      const int track = staff->idx() * VOICES;

      for (const auto &tupletEvent: tuplets) {
            const auto &tupletData = tupletEvent.second;
            if (tupletData.elements.empty())
                  continue;

            Tuplet* tuplet = new Tuplet(score);
            const auto &tupletRatio = tupletLimits(tupletData.tupletNumber).ratio;
            tuplet->setRatio(tupletRatio.fraction());

            tuplet->setDuration(tupletData.len.fraction());
            const TDuration baseLen = tupletData.len.fraction() / tupletRatio.denominator();
            tuplet->setBaseLen(baseLen);

            tuplet->setTrack(track);
            tuplet->setTick(tupletData.onTime.ticks());
            tuplet->setVoice(tupletData.voice);
            Measure* measure = score->tick2measure(tupletData.onTime.ticks());
            tuplet->setParent(measure);

            for (DurationElement *el: tupletData.elements) {
                  tuplet->add(el);
                  el->setTuplet(tuplet);
                  }
            }
      }

void MuseScore::tupletDialog()
      {
      if (!cs)
            return;
      ChordRest* cr = cs->getSelectedChordRest();
      if (cr == 0)
            return;
      TupletDialog td;
      if (!td.exec())
            return;

      Tuplet* tuplet = new Tuplet(cs);
      tuplet->setTrack(cr->track());
      tuplet->setTick(cr->tick());
      td.setupTuplet(tuplet);
      //      tuplet->setRatio(tuplet->ratio().reduced());
      Fraction f1(cr->duration());
      tuplet->setDuration(f1);
      Fraction f = f1 * tuplet->ratio();
      f.reduce();

      printf("len %s  ratio %s  base %s\n",
         qPrintable(f1.print()),
         qPrintable(tuplet->ratio().print()),
         qPrintable(f.print()));

      tuplet->setBaseLen(Fraction(1, f.denominator()));

      Measure* measure = cr->measure();
      tuplet->setParent(measure);

      cs->cmdCreateTuplet(cr, tuplet);
      }

void MTrack::createTuplets(int track, Score *score)
      {
      for (const auto &tupletEvent: tuplets) {
            const auto &tupletData = tupletEvent.second;
            if (tupletData.elements.empty())
                  continue;

            Tuplet* tuplet = new Tuplet(score);
            auto ratioIt = MidiTuplet::tupletRatios().find(tupletData.tupletNumber);
            Fraction tupletRatio = (ratioIt != MidiTuplet::tupletRatios().end())
                        ? ratioIt->second : Fraction(2, 2);
            if (ratioIt == MidiTuplet::tupletRatios().end())
                  qDebug("Tuplet ratio not found for tuplet number: %d", tupletData.tupletNumber);
            tuplet->setRatio(tupletRatio);

            tuplet->setDuration(tupletData.len);
            TDuration baseLen(tupletData.len / tupletRatio.denominator());
            tuplet->setBaseLen(baseLen);

            tuplet->setTrack(track);
            tuplet->setTick(tupletData.onTime.ticks());
            Measure* measure = score->tick2measure(tupletData.onTime.ticks());
            tuplet->setParent(measure);

            for (DurationElement *el: tupletData.elements) {
                  tuplet->add(el);
                  el->setTuplet(tuplet);
                  }
            }
      }

void MsScWriter::doTriplet(Chord* cr, StartStop triplet)
      {
      qDebug() << "MsScWriter::doTriplet(" << triplet << ")"
      ;

      if (triplet == ST_START) {
            tuplet = new Tuplet(score);
            tuplet->setTrack(0);
            tuplet->setRatio(Fraction(3, 2));
            tuplet->setTick(tick);
            currentMeasure->add(tuplet);
            }
      else if (triplet == ST_STOP) {
            if (tuplet) {
                  cr->setTuplet(tuplet);
                  tuplet->add(cr);
                  tuplet = 0;
                  }
            else
                  qDebug("BWW::import: triplet stop without triplet start\n");
            }
      else if (triplet == ST_CONTINUE) {
            if (!tuplet)
                  qDebug("BWW::import: triplet continue without triplet start\n");
            }
      else if (triplet == ST_NONE) {
            if (tuplet)
                  qDebug("BWW::import: triplet none inside triplet\n");
            }
      else
            qDebug("unknown triplet type %d\n", triplet);
      if (tuplet) {
            cr->setTuplet(tuplet);
            tuplet->add(cr);
            }
      }

int GuitarPro5::readBeat(int tick, int voice, Measure* measure, int staffIdx, Tuplet** tuplets, bool /*mixChange*/)
      {
      uchar beatBits = readUChar();
      bool dotted    = beatBits & BEAT_DOTTED;

      slide = -1;
      int track = staffIdx * VOICES + voice;
      if (slides.contains(track))
            slide = slides.take(track);

      int pause = -1;
      if (beatBits & BEAT_PAUSE)
            pause = readUChar();

      // readDuration
      int len   = readChar();
      int tuple = 0;
      if (beatBits & BEAT_TUPLET)
            tuple = readInt();

      Segment* segment = measure->getSegment(Segment::Type::ChordRest, tick);
      if (beatBits & BEAT_CHORD) {
            int numStrings = score->staff(staffIdx)->part()->instr()->stringData()->strings();
            skip(17);
            QString name = readPascalString(21);
            skip(4);
            // no header to be read in the GP5 format - default to true.
            readChord(segment, staffIdx * VOICES, numStrings, name, true);
            skip(32);
            }
      Lyrics* lyrics = 0;
      if (beatBits & BEAT_LYRICS) {
            QString txt = readDelphiString();
            lyrics = new Lyrics(score);
            lyrics->setText(txt);
            }
      gpLyrics.beatCounter++;
      if (gpLyrics.beatCounter >= gpLyrics.fromBeat && gpLyrics.lyricTrack == staffIdx+1) {
            int index = gpLyrics.beatCounter - gpLyrics.fromBeat;
            if (index < gpLyrics.lyrics.size()) {
                  lyrics = new Lyrics(score);
                  lyrics->setText(gpLyrics.lyrics[index]);
                  }
            }
      int beatEffects = 0;
      if (beatBits & BEAT_EFFECTS)
            beatEffects = readBeatEffects(track, segment);

      if (beatBits & BEAT_MIX_CHANGE)
            readMixChange(measure);

      int strings = readUChar();   // used strings mask

      Fraction l    = len2fraction(len);

      // Some beat effects could add a Chord before this
      ChordRest* cr = segment->cr(track);
      if (voice != 0 && pause == 0 && strings == 0)
            cr = 0;
      else {
            if (strings == 0) {
                  if (cr) {
                        segment->remove(cr);
                        delete cr;
                        cr = 0;
                        }
                  cr = new Rest(score);
                  }
            else  {
                  if (!cr)
                        cr = new Chord(score);
                  }
            cr->setTrack(track);

            TDuration d(l);
            d.setDots(dotted ? 1 : 0);

            if (dotted)
                  l = l + (l/2);

            if (tuple) {
                  Tuplet* tuplet = tuplets[staffIdx * 2 + voice];
                  if ((tuplet == 0) || (tuplet->elementsDuration() == tuplet->baseLen().fraction() * tuplet->ratio().numerator())) {
                        tuplet = new Tuplet(score);
                        // int track = staffIdx * 2 + voice;
                        tuplets[staffIdx * 2 + voice] = tuplet;
                        tuplet->setTrack(cr->track());
                        setTuplet(tuplet, tuple);
                        tuplet->setParent(measure);
                        }
                  tuplet->setTrack(cr->track());
                  tuplet->setBaseLen(l);
                  tuplet->setDuration(l * tuplet->ratio().denominator());
                  cr->setTuplet(tuplet);
                  tuplet->add(cr);
                  }

            cr->setDuration(l);
            if (cr->type() == Element::Type::REST && (pause == 0 || l == measure->len()))
                  cr->setDurationType(TDuration::DurationType::V_MEASURE);
//.........这里部分代码省略.........

void MuseData::readNote(Part* part, const QString& s)
{
    //                       a  b   c  d  e  f  g
    static int table[7]  = { 9, 11, 0, 2, 4, 5, 7 };

    int step  = s[0].toLatin1() - 'A';
    int alter = 0;
    int octave = 0;
    for (int i = 1; i < 3; ++i) {
        if (s[i] == '#')
            alter += 1;
        else if (s[i] == 'f')
            alter -= 1;
        else if (s[i].isDigit()) {
            octave = s.mid(i,1).toInt();
            break;
        }
    }
    MScore::Direction dir = MScore::AUTO;
    if (s.size() >= 23) {
        if (s[22] == 'u')
            dir = MScore::UP;
        else if (s[22] == 'd')
            dir = MScore::DOWN;
    }

    int staffIdx = 0;
    if (s.size() >= 24) {
        if (s[23].isDigit())
            staffIdx = s.mid(23,1).toInt() - 1;
    }
    Staff* staff = part->staff(staffIdx);
    int gstaff   = staff->idx();

    int pitch = table[step] + alter + (octave + 1) * 12;
    if (pitch < 0)
        pitch = 0;
    if (pitch > 127)
        pitch = 127;
    int ticks = s.mid(5, 3).toInt();
    ticks     = (ticks * MScore::division + _division/2) / _division;
    int tick  = curTick;
    curTick  += ticks;

    Tuplet* tuplet = 0;
    if (s.size() >= 22) {
        int a = 1;
        int b = 1;
        if (s[19] != ' ') {
            a = s[19].toLatin1() - '0';
            if (a == 3 && s[20] != ':')
                b = 2;
            else {
                b = s[21].toLatin1() - '0';
            }
        }
        if (a == 3 && b == 2) {       // triplet
            if (chordRest && chordRest->tuplet() && ntuplet) {
                tuplet = chordRest->tuplet();
            }
            else {
                tuplet = new Tuplet(score);
                tuplet->setTrack(gstaff * VOICES);
                tuplet->setTick(tick);
                ntuplet = a;
                tuplet->setRatio(Fraction(a, b));
                measure->add(tuplet);
            }
        }
        else if (a == 1 && b == 1)
            ;
        else
            qDebug("unsupported tuple %d/%d", a, b);
    }

    Chord* chord = new Chord(score);
    chordRest = chord;
    chord->setTrack(gstaff * VOICES);
    chord->setStemDirection(dir);
    if (tuplet) {
        chord->setTuplet(tuplet);
        tuplet->add(chord);
        --ntuplet;
    }
    TDuration d;
    d.setVal(ticks);
    chord->setDurationType(d);

    Segment* segment = measure->getSegment(chord, tick);

    voice = 0;
    for (; voice < VOICES; ++voice) {
        Element* e = segment->element(gstaff * VOICES + voice);
        if (e == 0) {
            chord->setTrack(gstaff * VOICES + voice);
            segment->add(chord);
            break;
        }
    }
    if (voice == VOICES) {
//.........这里部分代码省略.........