Exemplo n.º 1
0
 /**
  * Reads a mesure header
  * 
  * @param integer $number
  * @param Song $song
  * @param TimeSignature $timeSignature
  * @param integer $tempoValue
  * 
  * @return MeasureHeader
  */
 public function readMeasureHeader($number, Song $song, TimeSignature $timeSignature, $tempoValue = 120)
 {
     $flags = $this->reader->readUnsignedByte();
     $header = new MeasureHeader();
     $header->setNumber($number);
     $header->setStart(0);
     $header->getTempo()->setValue($tempoValue);
     $header->setTripletFeel($this->reader->getTripletFeel());
     $header->setRepeatOpen(($flags & 0x4) != 0);
     if (($flags & 0x1) != 0) {
         $timeSignature->setNumerator($this->reader->readByte());
     }
     if (($flags & 0x2) != 0) {
         $timeSignature->getDenominator()->setValue($this->reader->readByte());
     }
     $header->getTimeSignature()->copyFrom($timeSignature);
     if (($flags & 0x8) != 0) {
         $header->setRepeatClose($this->reader->readByte());
     }
     if (($flags & 0x10) != 0) {
         $header->setRepeatAlternative($this->reader->factory('GuitarPro3RepeatAlternative')->parseRepeatAlternative($song, $number));
     }
     if (($flags & 0x20) != 0) {
         $header->setMarker($this->reader->factory('GuitarProMarker')->readMarker($number));
     }
     if (($flags & 0x40) != 0) {
         $this->reader->setKeySignature($this->reader->factory('GuitarProKeySignature')->readKeySignature());
         $this->reader->skip(1);
     }
     return $header;
 }
Exemplo n.º 2
0
 /**
  * Reads a mesure header
  * 
  * @param integer $number
  * @param Song $song
  * @param TimeSignature $timeSignature
  * @param integer $tempoValue
  * 
  * @return MeasureHeader
  */
 public function readMeasureHeader($index, TimeSignature $timeSignature, $tempoValue = 120)
 {
     $flags = $this->reader->readUnsignedByte();
     $header = new MeasureHeader();
     $header->setNumber($index + 1);
     $header->setStart(0);
     $header->getTempo()->setValue($tempoValue);
     $header->setRepeatOpen(($flags & 0x4) != 0);
     if (($flags & 0x1) != 0) {
         $timeSignature->setNumerator($this->reader->readByte());
     }
     if (($flags & 0x2) != 0) {
         $timeSignature->getDenominator()->setValue($this->reader->readByte());
     }
     $header->getTimeSignature()->copyFrom($timeSignature);
     if (($flags & 0x8) != 0) {
         $header->setRepeatClose(($this->reader->readByte() & 0xff) - 1);
     }
     if (($flags & 0x20) != 0) {
         $header->setMarker($this->reader->factory('GuitarProMarker')->readMarker($header->getNumber()));
     }
     if (($flags & 0x10) != 0) {
         $header->setRepeatAlternative($this->reader->readUnsignedByte());
     }
     if (($flags & 0x40) != 0) {
         $this->reader->setKeySignature($this->reader->factory('GuitarProKeySignature')->readKeySignature());
         $this->reader->skip(1);
     }
     if (($flags & 0x1) != 0 || ($flags & 0x2) != 0) {
         $this->reader->skip(4);
     }
     if (($flags & 0x10) == 0) {
         $this->reader->skip(1);
     }
     $tripletFeel = $this->reader->readByte();
     if ($tripletFeel == 1) {
         $header->setTripletFeel(MeasureHeader::TRIPLET_FEEL_EIGHTH);
     } else {
         if ($tripletFeel == 2) {
             $header->setTripletFeel(MeasureHeader::TRIPLET_FEEL_SIXTEENTH);
         } else {
             $header->setTripletFeel(MeasureHeader::TRIPLET_FEEL_NONE);
         }
     }
     return $header;
 }
Exemplo n.º 3
0
 private function writeMeasureHeader(MeasureHeader $measure, TimeSignature $timeSignature)
 {
     $flags = 0;
     if ($measure->getNumber() == 1 || $measure->getTimeSignature()->getNumerator() != $timeSignature->getNumerator()) {
         $flags |= 0x1;
     }
     if ($measure->getNumber() == 1 || $measure->getTimeSignature()->getDenominator()->getValue() != $timeSignature->getDenominator()->getValue()) {
         $flags |= 0x2;
     }
     if ($measure->isRepeatOpen()) {
         $flags |= 0x4;
     }
     if ($measure->getRepeatClose() > 0) {
         $flags |= 0x8;
     }
     if ($measure->hasMarker()) {
         $flags |= 0x20;
     }
     $this->writeUnsignedByte($flags);
     if (($flags & 0x1) != 0) {
         $this->writeByte($measure->getTimeSignature()->getNumerator());
     }
     if (($flags & 0x2) != 0) {
         $this->writeByte($measure->getTimeSignature()->getDenominator()->getValue());
     }
     if (($flags & 0x8) != 0) {
         $this->writeByte($measure->getRepeatClose());
     }
     if (($flags & 0x20) != 0) {
         $this->writeMarker($measure->getMarker());
     }
 }
Exemplo n.º 4
0
 private function parseTimeSignature($tick, array $data)
 {
     if (count($data) >= 2) {
         $timeSignature = new TimeSignature();
         $timeSignature->setNumerator($data[0]);
         $timeSignature->getDenominator()->setValue(Duration::QUARTER);
         if ($data[1] == 0) {
             $timeSignature->getDenominator()->setValue(Duration::WHOLE);
         } else {
             if ($data[1] == 1) {
                 $timeSignature->getDenominator()->setValue(Duration::HALF);
             } else {
                 if ($data[1] == 2) {
                     $timeSignature->getDenominator()->setValue(Duration::QUARTER);
                 } else {
                     if ($data[1] == 3) {
                         $timeSignature->getDenominator()->setValue(Duration::EIGHTH);
                     } else {
                         if ($data[1] == 4) {
                             $timeSignature->getDenominator()->setValue(Duration::SIXTEENTH);
                         } else {
                             if ($data[1] == 5) {
                                 $timeSignature->getDenominator()->setValue(Duration::THIRTY_SECOND);
                             }
                         }
                     }
                 }
             }
         }
         $this->getHeader($tick)->setTimeSignature($timeSignature);
     }
 }
Exemplo n.º 5
0
 private function makeEighthNoteBytes(TimeSignature $timeSignature)
 {
     $bytes = array(0, 0, 0, 0);
     if ($timeSignature->getDenominator()->getValue() <= Duration::EIGHTH) {
         $eighthsInDenominator = intval(Duration::EIGHTH / $timeSignature->getDenominator()->getValue());
         $total = $eighthsInDenominator * $timeSignature->getNumerator();
         $byteValue = intval($total / 4);
         $missingValue = $total - 4 * $byteValue;
         for ($i = 0; $i < count($bytes); $i++) {
             $bytes[$i] = $byteValue;
         }
         if ($missingValue > 0) {
             $bytes[0] += $missingValue;
         }
     }
     return $bytes;
 }
Exemplo n.º 6
0
 public static function timeSignature(TimeSignature $timeSignature)
 {
     $message = new MidiMessage(MidiMessage::TYPE_META, MidiMessage::TIME_SIGNATURE_CHANGE);
     $message->setData(array($timeSignature->getNumerator(), $timeSignature->getDenominator()->getIndex(), 96 / $timeSignature->getDenominator()->getValue(), 8));
     return $message;
 }