Файловый менеджер - Редактировать - /var/www/html/libraries/foundry/vendor/intervention/image/src/Intervention/Image/Gd/Commands/MaskCommand.php
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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 MaskCommand extends AbstractCommand { /** * Applies an alpha mask to an image * * @param \Intervention\Image\Image $image * @return boolean */ public function execute($image) { $mask_source = $this->argument(0)->value(); $mask_w_alpha = $this->argument(1)->type('bool')->value(false); $image_size = $image->getSize(); // create empty canvas $canvas = $image->getDriver()->newImage($image_size->width, $image_size->height, [0,0,0,0]); // build mask image from source $mask = $image->getDriver()->init($mask_source); $mask_size = $mask->getSize(); // resize mask to size of current image (if necessary) if ($mask_size != $image_size) { $mask->resize($image_size->width, $image_size->height); } imagealphablending($canvas->getCore(), false); if ( ! $mask_w_alpha) { // mask from greyscale image imagefilter($mask->getCore(), IMG_FILTER_GRAYSCALE); } // redraw old image pixel by pixel considering alpha map for ($x=0; $x < $image_size->width; $x++) { for ($y=0; $y < $image_size->height; $y++) { $color = $image->pickColor($x, $y, 'array'); $alpha = $mask->pickColor($x, $y, 'array'); if ($mask_w_alpha) { $alpha = $alpha[3]; // use alpha channel as mask } else { if ($alpha[3] == 0) { // transparent as black $alpha = 0; } else { // $alpha = floatval(round((($alpha[0] + $alpha[1] + $alpha[3]) / 3) / 255, 2)); // image is greyscale, so channel doesn't matter (use red channel) $alpha = floatval(round($alpha[0] / 255, 2)); } } // preserve alpha of original image... if ($color[3] < $alpha) { $alpha = $color[3]; } // replace alpha value $color[3] = $alpha; // redraw pixel $canvas->pixel($color, $x, $y); } } // replace current image with masked instance $image->setCore($canvas->getCore()); return true; } }
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