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<?php |
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/** |
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* sysPass |
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* |
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* @author nuxsmin |
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* @link https://syspass.org |
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* @copyright 2012-2018, Rubén Domínguez nuxsmin@$syspass.org |
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* |
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* This file is part of sysPass. |
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* |
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* sysPass is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* sysPass is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with sysPass. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace SP\Util; |
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use SP\Core\Exceptions\CheckException; |
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use SP\Core\Exceptions\InvalidImageException; |
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use SP\Core\PhpExtensionChecker; |
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defined('APP_ROOT') || die(); |
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/** |
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* Class ImageUtil para la manipulación de imágenes |
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* |
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* @package SP |
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*/ |
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final class ImageUtil |
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{ |
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/** |
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* ImageUtil constructor. |
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* |
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* @param PhpExtensionChecker $checker |
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* |
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* @throws CheckException |
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*/ |
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public function __construct(PhpExtensionChecker $checker) |
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{ |
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$checker->checkCurlAvailable(true); |
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} |
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/** |
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* Crear miniatura de una imagen |
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* |
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* @param $image string La imagen a redimensionar |
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* |
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* @return bool|string |
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* @throws InvalidImageException |
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*/ |
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public function createThumbnail($image) |
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{ |
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$im = @imagecreatefromstring($image); |
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if ($im === false) { |
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throw new InvalidImageException(__u('Imagen no válida')); |
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} |
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$width = imagesx($im); |
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$height = imagesy($im); |
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// Calcular el tamaño de la miniatura |
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$new_width = 48; |
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$new_height = floor($height * ($new_width / $width)); |
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// Crear nueva imagen |
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$imTmp = imagecreatetruecolor($new_width, $new_height); |
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// Redimensionar la imagen |
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imagecopyresized($imTmp, $im, 0, 0, 0, 0, $new_width, $new_height, $width, $height); |
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// Devolver la imagen |
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ob_start(); |
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imagepng($imTmp); |
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$thumbnail = ob_get_contents(); |
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ob_end_clean(); |
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imagedestroy($imTmp); |
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imagedestroy($im); |
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return base64_encode($thumbnail); |
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} |
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/** |
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* Convertir un texto a imagen |
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* |
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* @param $text string El texto a convertir |
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* |
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* @return bool|string |
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*/ |
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public function convertText($text) |
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{ |
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$width = strlen($text) * 10; |
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$im = @imagecreatetruecolor($width, 30); |
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if ($im === false) { |
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return false; |
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} |
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// Colores de la imagen |
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$bgColor = imagecolorallocate($im, 245, 245, 245); |
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// $shadowColor = imagecolorallocate($im, 128, 128, 128); |
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$fgColor = imagecolorallocate($im, 128, 128, 128); |
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imagefilledrectangle($im, 0, 0, $width, 30, $bgColor); |
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// Ruta de la fuente |
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$font = PUBLIC_PATH . '/css/fonts/NotoSans-Regular-webfont.ttf'; |
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// Sombra |
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// imagettftext($im, 14, 0, 13, 23, $shadowColor, $font, $text); |
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// Crear el texto |
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imagettftext($im, 10, 0, 10, 20, $fgColor, $font, $text); |
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// Devolver la imagen |
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ob_start(); |
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imagepng($im); |
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$image = ob_get_contents(); |
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ob_end_clean(); |
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imagedestroy($im); |
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return base64_encode($image); |
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} |
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} |
nuxsmin /
sysPass
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