public function write(TProtocol $output)
{
$xfer = 0;
$xfer += $output->writeStructBegin('Color');
if ($this->red !== null) {
$xfer += $output->writeFieldBegin('red', TType::DOUBLE, 1);
$xfer += $output->writeDouble($this->red);
$xfer += $output->writeFieldEnd();
}
if ($this->green !== null) {
$xfer += $output->writeFieldBegin('green', TType::DOUBLE, 2);
$xfer += $output->writeDouble($this->green);
$xfer += $output->writeFieldEnd();
}
if ($this->blue !== null) {
$xfer += $output->writeFieldBegin('blue', TType::DOUBLE, 3);
$xfer += $output->writeDouble($this->blue);
$xfer += $output->writeFieldEnd();
}
if ($this->alpha !== null) {
$xfer += $output->writeFieldBegin('alpha', TType::DOUBLE, 4);
$xfer += $output->writeDouble($this->alpha);
$xfer += $output->writeFieldEnd();
}
$xfer += $output->writeFieldStop();
$xfer += $output->writeStructEnd();
return $xfer;
}
