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<?php /** * @package Foundry * @copyright Copyright (C) Stack Ideas Sdn Bhd. All rights reserved. * @license GNU/GPL, see LICENSE.php * Foundry is free software. This version may have been modified pursuant * to the GNU General Public License, and as distributed it includes or * is derivative of works licensed under the GNU General Public License or * other free or open source software licenses. * See COPYRIGHT.php for copyright notices and details. */ namespace Intervention\Image\Gd\Commands; defined('_JEXEC') or die('Unauthorized Access'); use Intervention\Image\Commands\AbstractCommand; class LimitColorsCommand extends AbstractCommand { /** * Reduces colors of a given image * * @param \Intervention\Image\Image $image * @return boolean */ public function execute($image) { $count = $this->argument(0)->value(); $matte = $this->argument(1)->value(); // get current image size $size = $image->getSize(); // create empty canvas $resource = imagecreatetruecolor($size->width, $size->height); // define matte if (is_null($matte)) { $matte = imagecolorallocatealpha($resource, 255, 255, 255, 127); } else { $matte = $image->getDriver()->parseColor($matte)->getInt(); } // fill with matte and copy original image imagefill($resource, 0, 0, $matte); // set transparency imagecolortransparent($resource, $matte); // copy original image imagecopy($resource, $image->getCore(), 0, 0, 0, 0, $size->width, $size->height); if (is_numeric($count) && $count <= 256) { // decrease colors imagetruecolortopalette($resource, true, $count); } // set new resource $image->setCore($resource); return true; } }
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