Файловый менеджер

Файловый менеджер - Редактировать - /home/pimjdymy/public_html/safrandsi/vendor/pixelandtonic/imagine/src/Filter/Advanced/BlackWhite.php

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<?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 Imagine\Filter\Advanced; use Imagine\Exception\InvalidArgumentException; use Imagine\Filter\FilterInterface; use Imagine\Image\ImageInterface; use Imagine\Image\Palette\Color\ColorInterface; use Imagine\Image\Palette\RGB; use Imagine\Image\Point; /* * This filter calculates, for each pixel of an image, whether it is ligher or darker than a threshold. * If the pixel is lighter than the thresold it will be black, otherwise it will be light. * The result is an image with only black and white pixels (black pixels for ligher colors, white pixels for darker colors). / class BlackWhite extends OnPixelBased implements FilterInterface { /* * @var \Imagine\Filter\Advanced\Grayscale / protected $grayScaleFilter; /* * Initialize this filter. * * @param int $threshold the dask/light threshold, from 0 (all black) to 255 (all white) * * @throws \Imagine\Exception\InvalidArgumentException / public function __construct($threshold) { if (!($threshold >= 0 && $threshold <= 255)) { throw new InvalidArgumentException('$threshold has to be between 0 and 255'); } $this->grayScaleFilter = new Grayscale(); $rgb = new RGB(); parent::__construct( function (ImageInterface $image, Point $point) use ($threshold, $rgb) { $newRedValue = $image->getColorAt($point)->getValue(ColorInterface::COLOR_RED) < $threshold ? 255 : 0; $image->draw()->dot($point, $rgb->color(array($newRedValue, $newRedValue, $newRedValue))); } ); } /* * {@inheritdoc} * * @see \Imagine\Filter\Advanced\OnPixelBased::apply() */ public function apply(ImageInterface $image) { $grayScaledImage = $this->grayScaleFilter->apply($image); return parent::apply($grayScaledImage); } }

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