for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
/*
* This file is part of the kaloa/image package.
*
* For full copyright and license information, please view the LICENSE file
* that was distributed with this source code.
*/
namespace Kaloa\Image\Filter;
use Kaloa\Image\Image;
final class ContrastFilter extends AbstractFilter
{
private $level;
/**
* @param int $level [-100, 100] -100 = min contrast, 0 = no change,
* +100 = max contrast
public function __construct($level)
$this->level = -1 * $level;
}
public function render(Image $srcImage)
imagefilter($srcImage->getResource(), IMG_FILTER_CONTRAST, $this->level);
return $srcImage->getResource();
mermshaus /
kaloa-image
