/**
* Set process color model.
*
* @param string $processColorModel
*
* @throws \InvalidArgumentException
*
* @return $this
*/
public function setProcessColorModel($processColorModel)
{
$processColorModel = ltrim($processColorModel, '/');
if (!in_array($processColorModel, ProcessColorModel::values())) {
throw new \InvalidArgumentException('Invalid process color model argument');
}
$this->setArgument(sprintf('-dProcessColorModel=/%s', $processColorModel));
return $this;
}
public function testValues()
{
$values = [ProcessColorModel::DEVICE_RGB, ProcessColorModel::DEVICE_CMYK, ProcessColorModel::DEVICE_GRAY];
$this->assertEquals($values, ProcessColorModel::values());
}