C++ Tuplet::setParent方法代码示例

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 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 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);
                  }
            }
      }

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.........