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/home/develito/www/libraries/sobi/ThirdParty/Grafika/Gd/Filter/Gamma.php
<?php namespace Grafika\Gd\Filter; use Grafika\FilterInterface; use Grafika\Gd\Image; /** * Performs a gamma correction on an image. */ class Gamma implements FilterInterface{ /** * @var float */ protected $amount; // >= 1.0 /** * Gamma constructor. * @param float $amount The amount of gamma correction to apply. >= 1.0 */ public function __construct($amount) { $this->amount = (float) $amount; } /** * @param Image $image * * @return Image */ public function apply( $image ) { imagegammacorrect($image->getCore(), 1, $this->amount); return $image; } }
