C++ ms::Measure类代码示例

void Cursor::rewind(RewindMode mode)
      {
      //
      // rewind to start of score
      //
      if (mode == SCORE_START) {
            _segment = nullptr;
            Ms::Measure* m = _score->firstMeasure();
            if (m) {
                  _segment = m->first(_filter);
                  nextInTrack();
                  }
            }
      //
      // rewind to start of selection
      //
      else if (mode == SELECTION_START) {
            if (!_score->selection().isRange())
                  return;
            _segment  = _score->selection().startSegment();
            _track    = _score->selection().staffStart() * VOICES;
            nextInTrack();
            }
      //
      // rewind to end of selection
      //
      else if (mode == SELECTION_END) {
            if (!_score->selection().isRange())
                  return;
            _segment  = _score->selection().endSegment();
            _track    = (_score->selection().staffEnd() * VOICES) - 1;  // be sure _track exists
            }
      _score->inputState().setTrack(_track);
      _score->inputState().setSegment(_segment);
      }

void Cursor::add(Element* wrapped)
      {
      Ms::Element* s = wrapped->element();
      if (!_segment || !s)
            return;

      wrapped->setOwnership(Ownership::SCORE);
      s->setTrack(_track);
      s->setParent(_segment);

      if (s->isChordRest())
            s->score()->undoAddCR(toChordRest(s), _segment->measure(), _segment->tick());
      else if (s->type() == ElementType::KEYSIG) {
            Ms::Segment* ns = _segment->measure()->undoGetSegment(SegmentType::KeySig, _segment->tick());
            s->setParent(ns);
            _score->undoAddElement(s);
            }
      else if (s->type() == ElementType::TIMESIG) {
            Ms::Measure* m = _segment->measure();
            Fraction tick = m->tick();
            _score->cmdAddTimeSig(m, _track, toTimeSig(s), false);
            m = _score->tick2measure(tick);
            _segment = m->first(_filter);
            nextInTrack();
            }
      else if (s->type() == ElementType::LAYOUT_BREAK) {
            Ms::Measure* m = _segment->measure();
            s->setParent(m);
            _score->undoAddElement(s);
            }
      else {
            _score->undoAddElement(s);
            }
      _score->setLayoutAll();
      }

static void setTempo(Ms::Score* score, int tempo)
      {
      Ms::TempoText* tt = new Ms::TempoText(score);
      tt->setTempo(double(tempo)/60.0);
      tt->setTrack(0);
      QString tempoText = Ms::TempoText::duration2tempoTextString(Ms::TDuration::DurationType::V_QUARTER);
      tempoText += QString(" = %1").arg(tempo);
      tt->setPlainText(tempoText);
      Ms::Measure* measure = score->firstMeasure();
      Ms::Segment* segment = measure->getSegment(Ms::Segment::Type::ChordRest, 0);
      segment->add(tt);
      }

bool Cursor::nextMeasure()
      {
      if (_segment == 0)
            return false;
      Ms::Measure* m = _segment->measure()->nextMeasure();
      if (m == 0) {
            _segment = 0;
            return false;
            }
      _segment = m->first(_filter);
      nextInTrack();
      return _segment != 0;
      }

static void setTempo(Ms::Score* score, int tempo)
      {
      Ms::TempoText* tt = new Ms::TempoText(score);
      tt->setTempo(double(tempo)/60.0);
      tt->setTrack(0);
#if 0 // TODO WS
      Ms::QTextCursor* c = tt->startCursorEdit();
      c->movePosition(QTextCursor::EndOfLine);
      addSymbolToText(SymCode(0xe105, 1), c);
      c->insertText(" = ");
      c->insertText(QString("%1").arg(tempo));
      tt->endEdit();
#endif
      Ms::Measure* measure = score->firstMeasure();
      Ms::Segment* segment = measure->getSegment(Ms::Segment::SegChordRest, 0);
      segment->add(tt);
      }

void MsScWriter::endMeasure(const Bww::MeasureEndFlags mef)
      {
      qDebug() << "MsScWriter::endMeasure()";
      if (mef.repeatEnd)
            currentMeasure->setRepeatFlags(Ms::RepeatEnd);

      if (mef.endingEnd) {
            if (lastVolta) {
                  qDebug("adding volta\n");
                  if (ending == 1)
                        lastVolta->setVoltaType(Ms::VoltaType::CLOSED);
                  else
                        lastVolta->setVoltaType(Ms::VoltaType::OPEN);
                  lastVolta->setEndElement(currentMeasure);
                  currentMeasure->addSpannerBack(lastVolta);
                  lastVolta = 0;
                  }
            else {
                  qDebug("lastVolta == 0 on stop\n");
                  }
            }

      if (mef.lastOfSystem) {
            Ms::LayoutBreak* lb = new Ms::LayoutBreak(score);
            lb->setTrack(0);
            lb->setLayoutBreakType(Ms::LAYOUT_BREAK_LINE);
            currentMeasure->add(lb);
            }

      if (mef.lastOfPart && !mef.repeatEnd) {
            currentMeasure->setEndBarLineType(Ms::END_BAR, false, true);
            }
      else if (mef.doubleBarLine) {
            currentMeasure->setEndBarLineType(Ms::DOUBLE_BAR, false, true);
            }
      // BarLine* barLine = new BarLine(score);
      // bool visible = true;
      // barLine->setSubtype(NORMAL_BAR);
      // barLine->setTrack(0);
      // currentMeasure->setEndBarLineType(barLine->subtype(), false, visible);
      }

void MsScWriter::endMeasure(const Bww::MeasureEndFlags mef)
      {
      qDebug() << "MsScWriter::endMeasure()";
      if (mef.repeatEnd)
            currentMeasure->setRepeatEnd(true);

      if (mef.endingEnd) {
            if (lastVolta) {
                  qDebug("adding volta");
                  if (ending == 1)
                        lastVolta->setVoltaType(Ms::Volta::Type::CLOSED);
                  else
                        lastVolta->setVoltaType(Ms::Volta::Type::OPEN);
                  lastVolta->setTick2(tick);
                  lastVolta = 0;
                  }
            else {
                  qDebug("lastVolta == 0 on stop");
                  }
            }

      if (mef.lastOfSystem) {
            Ms::LayoutBreak* lb = new Ms::LayoutBreak(score);
            lb->setTrack(0);
            lb->setLayoutBreakType(Ms::LayoutBreak::Type::LINE);
            currentMeasure->add(lb);
            }

      if (mef.lastOfPart && !mef.repeatEnd) {
//TODO            currentMeasure->setEndBarLineType(Ms::BarLineType::END, false, true);
            }
      else if (mef.doubleBarLine) {
//TODO            currentMeasure->setEndBarLineType(Ms::BarLineType::DOUBLE, false, true);
            }
      // BarLine* barLine = new BarLine(score);
      // bool visible = true;
      // barLine->setSubtype(BarLineType::NORMAL);
      // barLine->setTrack(0);
      // currentMeasure->setEndBarLineType(barLine->subtype(), false, visible);
      }

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

      if (triplet == ST_START) {
            tuplet = new Ms::Tuplet(score);
            tuplet->setTrack(0);
            tuplet->setRatio(Ms::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");
            }
      else if (triplet == ST_CONTINUE) {
            if (!tuplet)
                  qDebug("BWW::import: triplet continue without triplet start");
            }
      else if (triplet == ST_NONE) {
            if (tuplet)
                  qDebug("BWW::import: triplet none inside triplet");
            }
      else
            qDebug("unknown triplet type %d", triplet);
      if (tuplet) {
            cr->setTuplet(tuplet);
            tuplet->add(cr);
            }
      }

void MsScWriter::note(const QString pitch, const QVector<Bww::BeamType> beamList,
                      const QString type, const int dots,
                      bool tieStart, bool /*TODO tieStop */,
                      StartStop triplet,
                      bool grace)
      {
      qDebug() << "MsScWriter::note()"
               << "type:" << type
               << "dots:" << dots
               << "grace" << grace
      ;

      if (!stepAlterOctMap.contains(pitch)
          || !typeMap.contains(type)) {
            // TODO: error message
            return;
            }
      StepAlterOct sao = stepAlterOctMap.value(pitch);

      int ticks = 4 * Ms::MScore::division / type.toInt();
      if (dots) ticks = 3 * ticks / 2;
      qDebug() << "ticks:" << ticks;
      Ms::TDuration durationType(Ms::TDuration::DurationType::V_INVALID);
      durationType.setVal(ticks);
      qDebug() << "duration:" << durationType.name();
      if (triplet != ST_NONE) ticks = 2 * ticks / 3;

      Ms::Beam::Mode bm  = (beamList.at(0) == Bww::BM_BEGIN) ? Ms::Beam::Mode::BEGIN : Ms::Beam::Mode::AUTO;
      Ms::Direction sd = Ms::Direction::AUTO;

      // create chord
      Ms::Chord* cr = new Ms::Chord(score);
      //ws cr->setTick(tick);
      cr->setBeamMode(bm);
      cr->setTrack(0);
      if (grace) {
            cr->setNoteType(Ms::NoteType::GRACE32);
            cr->setDurationType(Ms::TDuration::DurationType::V_32ND);
            sd = Ms::Direction::UP;
            }
      else {
            if (durationType.type() == Ms::TDuration::DurationType::V_INVALID)
                  durationType.setType(Ms::TDuration::DurationType::V_QUARTER);
            cr->setDurationType(durationType);
            sd = Ms::Direction::DOWN;
            }
      cr->setDuration(durationType.fraction());
      cr->setDots(dots);
      cr->setStemDirection(sd);
      // add note to chord
      Ms::Note* note = new Ms::Note(score);
      note->setTrack(0);
      xmlSetPitch(note, sao.s.toLatin1(), sao.a, sao.o);
      if (tieStart) {
            Ms::Tie* tie = new Ms::Tie(score);
            note->setTieFor(tie);
            tie->setStartNote(note);
            tie->setTrack(0);
            }
      cr->add(note);
      // add chord to measure
      if (!grace) {
            Ms::Segment* s = currentMeasure->getSegment(cr, tick);
            s->add(cr);
            if (!currentGraceNotes.isEmpty()) {
                  for (int i = currentGraceNotes.size() - 1; i >=0; i--)
                        cr->add(currentGraceNotes.at(i));
                  currentGraceNotes.clear();
                  }
            doTriplet(cr, triplet);
            int tickBefore = tick;
            tick += ticks;
            Ms::Fraction nl(Ms::Fraction::fromTicks(tick - currentMeasure->tick()));
            currentMeasure->setLen(nl);
            qDebug() << "MsScWriter::note()"
                     << "tickBefore:" << tickBefore
                     << "tick:" << tick
                     << "nl:" << nl.print()
            ;
            }
      else {
            currentGraceNotes.append(cr);
            }
      }

void MsScWriter::beginMeasure(const Bww::MeasureBeginFlags mbf)
      {
      qDebug() << "MsScWriter::beginMeasure()";
      ++measureNumber;

      // create a new measure
      currentMeasure  = new Ms::Measure(score);
      currentMeasure->setTick(tick);
      currentMeasure->setTimesig(Ms::Fraction(beats, beat));
      currentMeasure->setNo(measureNumber);
      score->measures()->add(currentMeasure);

      if (mbf.repeatBegin)
            currentMeasure->setRepeatStart(true);

      if (mbf.irregular)
            currentMeasure->setIrregular(true);

      if (mbf.endingFirst || mbf.endingSecond) {
            Ms::Volta* volta = new Ms::Volta(score);
            volta->setTrack(0);
            volta->endings().clear();
            if (mbf.endingFirst) {
                  volta->setText("1");
                  volta->endings().append(1);
                  ending = 1;
                  }
            else {
                  volta->setText("2");
                  volta->endings().append(2);
                  ending = 2;
                  }
            volta->setTick(currentMeasure->tick());
            score->addElement(volta);
            lastVolta = volta;
            }

      // set clef, key and time signature in the first measure
      if (measureNumber == 1) {
            // clef
            Ms::Clef* clef = new Ms::Clef(score);
            clef->setClefType(Ms::ClefType::G);
            clef->setTrack(0);
            Ms::Segment* s = currentMeasure->getSegment(clef, tick);
            s->add(clef);
            // keysig
            Ms::KeySigEvent key;
            key.setKey(Ms::Key::D);
            Ms::KeySig* keysig = new Ms::KeySig(score);
            keysig->setKeySigEvent(key);
            keysig->setTrack(0);
            s = currentMeasure->getSegment(keysig, tick);
            s->add(keysig);
            // timesig
            Ms::TimeSig* timesig = new Ms::TimeSig(score);
            timesig->setSig(Ms::Fraction(beats, beat));
            timesig->setTrack(0);
            s = currentMeasure->getSegment(timesig, tick);
            s->add(timesig);
            qDebug("tempo %d", tempo);
            }
      }