C++ KeySigEvent::setAccidentalType方法代码示例

void KeyList::read(QDomElement e, Score* cs)
      {
      for (e = e.firstChildElement(); !e.isNull(); e = e.nextSiblingElement()) {
            QString tag(e.tagName());
            if (tag == "key") {
                  KeySigEvent ke;
                  int tick = e.attribute("tick", "0").toInt();
                  if (e.hasAttribute("custom"))
                        ke.setCustomType(e.attribute("custom").toInt());
                  else
                        ke.setAccidentalType(e.attribute("idx").toInt());
                  (*this)[cs->fileDivision(tick)] = ke;
                  }
            else
                  domError(e);
            }
      }

void KeyList::read(XmlReader& e, Score* cs)
      {
      while (e.readNextStartElement()) {
            if (e.name() == "key") {
                  KeySigEvent ke;
                  int tick = e.intAttribute("tick", 0);
                  if (e.hasAttribute("custom"))
                        ke.setCustomType(e.intAttribute("custom"));
                  else
                        ke.setAccidentalType(e.intAttribute("idx"));
                  (*this)[cs->fileDivision(tick)] = ke;
                  e.readNext();
                  }
            else
                  e.unknown();
            }
      }

void MTrack::convertTrack(const Fraction &lastTick)
      {
      Score* score     = staff->score();
      int key          = 0;                      // TODO-LIB findKey(mtrack, score->sigmap());
      int track        = staff->idx() * VOICES;
      int voices       = VOICES;

      for (int voice = 0; voice < voices; ++voice) {
                        // startChordTick is onTime value of all simultaneous notes
                        // chords here are consist of notes with equal durations
                        // several chords may have the same onTime value
            Fraction startChordTick;
            QList<MidiChord> midiChords;

            for (auto it = chords.begin(); it != chords.end();) {
                  const Fraction &nextChordTick = it->first;
                  const MidiChord& midiChord = it->second;
                  if (midiChord.voice != voice) {
                        ++it;
                        continue;
                        }
                  processPendingNotes(midiChords, voice, startChordTick, nextChordTick);
                              // now 'midiChords' list is empty
                              // so - fill it:
                              // collect all midiChords on current tick position
                  startChordTick = nextChordTick;       // debug
                  for (;it != chords.end(); ++it) {
                        const MidiChord& midiChord = it->second;
                        if (it->first != startChordTick)
                              break;
                        if (midiChord.voice != voice)
                              continue;
                        midiChords.append(midiChord);
                        }
                  if (midiChords.isEmpty())
                        break;
                  }
                        // process last chords at the end of the score
            processPendingNotes(midiChords, voice, startChordTick, lastTick);
            }

      createTuplets(track, score);

      KeyList* km = staff->keymap();
      if (!hasKey && !mtrack->drumTrack()) {
            KeySigEvent ks;
            ks.setAccidentalType(key);
            (*km)[0] = ks;
            }
      for (auto it = km->begin(); it != km->end(); ++it) {
            int tick = it->first;
            KeySigEvent key  = it->second;
            KeySig* ks = new KeySig(score);
            ks->setTrack(track);
            ks->setGenerated(false);
            ks->setKeySigEvent(key);
            ks->setMag(staff->mag());
            Measure* m = score->tick2measure(tick);
            Segment* seg = m->getSegment(ks, tick);
            seg->add(ks);
            }

#if 0  // TODO
      ClefList* cl = staff->clefList();
      for (ciClefEvent i = cl->begin(); i != cl->end(); ++i) {
            int tick = i.key();
            Clef* clef = new Clef(score);
            clef->setClefType(i.value());
            clef->setTrack(track);
            clef->setGenerated(false);
            clef->setMag(staff->mag());
            Measure* m = score->tick2measure(tick);
            Segment* seg = m->getSegment(clef, tick);
            seg->add(clef);
            }
#endif
      }

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

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

      if (mbf.repeatBegin)
            currentMeasure->setRepeatFlags(RepeatStart);

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

      if (mbf.endingFirst || mbf.endingSecond) {
            Volta* volta = new 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->setStartElement(currentMeasure);
            currentMeasure->add(volta);
            lastVolta = volta;
            }

      // set clef, key and time signature in the first measure
      if (measureNumber == 1) {
            // clef
            Clef* clef = new Clef(score);
            clef->setClefType(CLEF_G);
            clef->setTrack(0);
            Segment* s = currentMeasure->getSegment(clef, tick);
            s->add(clef);
            // keysig
            KeySigEvent key;
            key.setAccidentalType(2);
            KeySig* keysig = new KeySig(score);
            keysig->setKeySigEvent(key);
            keysig->setTrack(0);
            s = currentMeasure->getSegment(keysig, tick);
            s->add(keysig);
            // timesig
            TimeSig* timesig = new TimeSig(score);
            timesig->setSig(Fraction(beats, beat));
            timesig->setTrack(0);
            s = currentMeasure->getSegment(timesig, tick);
            s->add(timesig);
            }
      }

void MTrack::processMeta(int tick, const MidiEvent& mm)
      {
      if (!staff) {
            qDebug("processMeta: no staff");
            return;
            }
      const uchar* data = (uchar*)mm.edata();
      int staffIdx      = staff->idx();
      Score* cs         = staff->score();

      switch (mm.metaType()) {
            case META_TEXT:
            case META_LYRIC: {
                  QString s((char*)data);
                  cs->addLyrics(tick, staffIdx, s);
                  }
                  break;

            case META_TRACK_NAME:
                  name = (const char*)data;
                  break;

            case META_TEMPO:
                  {
                  unsigned tempo = data[2] + (data[1] << 8) + (data[0] <<16);
                  double t = 1000000.0 / double(tempo);
                  cs->setTempo(tick, t);
                  // TODO: create TempoText
                  }
                  break;

            case META_KEY_SIGNATURE:
                  {
                  int key = ((const char*)data)[0];
                  if (key < -7 || key > 7) {
                        qDebug("ImportMidi: illegal key %d", key);
                        break;
                        }
                  KeySigEvent ks;
                  ks.setAccidentalType(key);
                  (*staff->keymap())[tick] = ks;
                  hasKey = true;
                  }
                  break;
            case META_COMPOSER:     // mscore extension
            case META_POET:
            case META_TRANSLATOR:
            case META_SUBTITLE:
            case META_TITLE:
                  {
                  Text* text = new Text(cs);
                  switch(mm.metaType()) {
                        case META_COMPOSER:
                              text->setTextStyleType(TEXT_STYLE_COMPOSER);
                              break;
                        case META_TRANSLATOR:
                              text->setTextStyleType(TEXT_STYLE_TRANSLATOR);
                              break;
                        case META_POET:
                              text->setTextStyleType(TEXT_STYLE_POET);
                              break;
                        case META_SUBTITLE:
                              text->setTextStyleType(TEXT_STYLE_SUBTITLE);
                              break;
                        case META_TITLE:
                              text->setTextStyleType(TEXT_STYLE_TITLE);
                              break;
                        }

                  text->setText((const char*)(mm.edata()));

                  MeasureBase* measure = cs->first();
                  if (measure->type() != Element::VBOX) {
                        measure = new VBox(cs);
                        measure->setTick(0);
                        measure->setNext(cs->first());
                        cs->add(measure);
                        }
                  measure->add(text);
                  }
                  break;

            case META_COPYRIGHT:
                  cs->setMetaTag("Copyright", QString((const char*)(mm.edata())));
                  break;

            case META_TIME_SIGNATURE:
                  qDebug("midi: meta timesig: %d, division %d", tick, MScore::division);
                  cs->sigmap()->add(tick, Fraction(data[0], 1 << data[1]));
                  break;

            default:
                  if (MScore::debugMode)
                        qDebug("unknown meta type 0x%02x", mm.metaType());
                  break;
            }
      }