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());
}
}
private function writeMeasureHeader(MeasureHeader $measure, TimeSignature $timeSignature)
{
$flags = 0;
if ($measure->getNumber() == 1) {
$flags |= 0x40;
}
if ($measure->getNumber() == 1 || !$measure->getTimeSignature()->isEqual($timeSignature)) {
$flags |= 0x1;
$flags |= 0x2;
}
if ($measure->isRepeatOpen()) {
$flags |= 0x4;
}
if ($measure->getRepeatClose() > 0) {
$flags |= 0x8;
}
if ($measure->getRepeatAlternative() > 0) {
$flags |= 0x10;
}
if ($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() + 1);
}
if (($flags & 0x20) != 0) {
$this->writeMarker($measure->getMarker());
}
if (($flags & 0x10) != 0) {
$this->writeByte($measure->getRepeatAlternative());
}
if (($flags & 0x40) != 0) {
$this->skipBytes(2);
}
if (($flags & 0x1) != 0) {
$this->writeBytes($this->makeEighthNoteBytes($measure->getTimeSignature()));
}
if (($flags & 0x10) == 0) {
$this->writeByte(0);
}
if ($measure->getTripletFeel() == MeasureHeader::TRIPLET_FEEL_NONE) {
$this->writeByte(0);
} else {
if ($measure->getTripletFeel() == MeasureHeader::TRIPLET_FEEL_EIGHTH) {
$this->writeByte(1);
} else {
if ($measure->getTripletFeel() == MeasureHeader::TRIPLET_FEEL_SIXTEENTH) {
$this->writeByte(2);
}
}
}
}