Example #1
0
Fraction DurationElement::globalDuration() const
      {
      Fraction f(_duration);
      for (Tuplet* t = tuplet(); t; t = t->tuplet())
            f /= t->ratio();
      return f;
      }
Example #2
0
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);
            else
                  cr->setDurationType(d);

            if(!segment->cr(track))
                  segment->add(cr);

            Staff* staff = cr->staff();
            int numStrings = staff->part()->instr()->stringData()->strings();
            bool hasSlur = false;
            for (int i = 6; i >= 0; --i) {
                  if (strings & (1 << i) && ((6-i) < numStrings)) {
                        Note* note = new Note(score);
                        if (dotted) {
                              // there is at most one dotted note in this guitar pro version
                              NoteDot* dot = new NoteDot(score);
                              dot->setIdx(0);
                              dot->setParent(note);
                              dot->setTrack(track);  // needed to know the staff it belongs to (and detect tablature)
                              dot->setVisible(true);
                              note->add(dot);
                              }
                        static_cast<Chord*>(cr)->add(note);

                        hasSlur = readNote(6-i, note);
                        note->setTpcFromPitch();
                        }
                  }
            createSlur(hasSlur, staffIdx, cr);
            if (lyrics)
                  cr->add(lyrics);
            }
      int rr = readChar();
      if (cr && (cr->type() == Element::Type::CHORD)) {
            Chord* chord = static_cast<Chord*>(cr);
            applyBeatEffects(chord, beatEffects);
            if (rr == ARPEGGIO_DOWN)
                  chord->setStemDirection(MScore::Direction::DOWN);
            else if (rr == ARPEGGIO_UP)
                  chord->setStemDirection(MScore::Direction::UP);
            }
      int r = readChar();
      if (r & 0x8) {
            int rrr = readChar();
qDebug("  3beat read 0x%02x", rrr);
           }
      if (cr && (cr->type() == Element::Type::CHORD) && slide > 0)
            createSlide(slide, cr, staffIdx);
      restsForEmptyBeats(segment, measure, cr, l, track, tick);
      return cr ? cr->actualTicks() : measure->ticks();
      }