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<?php
namespace Scene7\Commands\Layer;
trait Brightness
{
/**
* @param int $adjustment
* @return $this
*/
public function setBrightness($adjustment)
{
$adjustment = (int) $adjustment;
if ($adjustment < -100 || $adjustment > 100) {
throw new \InvalidArgumentException('Brightness must be between -100 and 100');
}
$this->addCommand(['op_brightness' => $adjustment]);
return $this;
}
}