Файл: concrete5.7.5.6/concrete/vendor/imagine/imagine/lib/Imagine/Filter/Advanced/Grayscale.php
Строк: 33
<?php
/*
* This file is part of the Imagine package.
*
* (c) Bulat Shakirzyanov <mallluhuct@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ImagineFilterAdvanced;
use ImagineFilterFilterInterface;
use ImagineImageImageInterface;
use ImagineImagePoint;
/**
* The Grayscale filter calculates the gray-value based on RGB.
*/
class Grayscale extends OnPixelBased implements FilterInterface
{
public function __construct()
{
parent::__construct(function (ImageInterface $image, Point $point) {
$color = $image->getColorAt($point);
$image->draw()->dot($point, $color->grayscale());
});
}
}