<?php
namespace InterventionImageGdCommands;
class BrightnessCommand extends InterventionImageCommandsAbstractCommand
{
/**
* Changes image brightness
*
* @param InterventionImageImage $image
* @return boolean
*/
public function execute($image)
{
$level = $this->argument(0)->between(-100, 100)->required()->value();
return imagefilter($image->getCore(), IMG_FILTER_BRIGHTNESS, ($level * 2.55));
}
}