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<?php
namespace Scene7\Commands\Layer;
trait ColorBalance
{
public function setColorBalance($red, $green, $blue)
{
$red = (int) $red;
$green = (int) $green;
$blue = (int) $blue;
if ($red < -100 || $red > 100) {
throw new \InvalidArgumentException('Red adjustment must be between -100 and 100');
}
if ($green < -100 || $green > 100) {
throw new \InvalidArgumentException('Green adjustment must be between -100 and 100');
}
if ($blue < -100 || $blue > 100) {
throw new \InvalidArgumentException('Blue adjustment must be between -100 and 100');
}
$this->addCommand(['op_colorbalance' => $red . ',' . $green . ',' . $blue]);
return $this;
}
}