/**
* Set transfer function info
*
* @param string $transferFunctionInfo
*
* @throws \InvalidArgumentException
*
* @return $this
*/
public function setTransferFunctionInfo($transferFunctionInfo)
{
$transferFunctionInfo = ltrim($transferFunctionInfo, '/');
if (!in_array($transferFunctionInfo, TransferFunctionInfo::values())) {
throw new \InvalidArgumentException('Invalid transfer function info argument');
}
$this->setArgument(sprintf('-dTransferFunctionInfo=/%s', $transferFunctionInfo));
return $this;
}
public function testValues()
{
$values = [TransferFunctionInfo::PRESERVE, TransferFunctionInfo::REMOVE, TransferFunctionInfo::APPLY];
$this->assertEquals($values, TransferFunctionInfo::values());
}
