<?php
namespace Intervention\Image\Imagick\Commands;
use Intervention\Image\Commands\AbstractCommand;
class OpacityCommand extends AbstractCommand
{
/**
* Defines opacity of an image
*
* @param \Intervention\Image\Image $image
* @return boolean
*/
public function execute($image)
{
$transparency = $this->argument(0)->between(0, 100)->required()->value();
$transparency = $transparency > 0 ? (100 / $transparency) : 1000;
return $image->getCore()->evaluateImage(\Imagick::EVALUATE_DIVIDE, $transparency, \Imagick::CHANNEL_ALPHA);
}
}