mirror of
https://github.com/nuxsmin/sysPass.git
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119 lines
3.2 KiB
PHP
119 lines
3.2 KiB
PHP
<?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 http://syspass.org
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* @copyright 2012-2015 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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*/
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namespace SP;
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defined('APP_ROOT') || die(_('No es posible acceder directamente a este archivo'));
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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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class ImageUtil
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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 $text string El texto a convertir
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* @return bool|string
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*/
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public static function convertText($text)
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{
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if(!function_exists('imagepng')){
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return false;
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}
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$im = imagecreatetruecolor(strlen($text) * 20, 30);
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// Colores de la imagen
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$bgColor = imagecolorallocate($im, 255, 255, 255);
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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($im, 0, 0, strlen($text) * 20, 29, $bgColor);
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// Ruta de la fuente
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$font = Init::$SERVERROOT . '/imgs/NotoSansUI-Regular.ttf';
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// Sombra
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// imagettftext($im, 14, 0, 13, 23, $shadowColor, $font, $text);
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// Crear el texto
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imagettftext($im, 12, 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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/**
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* Crear miniatura de una imagen
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*
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* @param $image string La imagen a redimensionar
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* @return bool|string
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*/
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public static function createThumbnail(&$image)
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{
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if(!function_exists('imagepng')
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|| !function_exists('imagecreatefromjpeg')
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|| !function_exists('imagecreatefrompng')
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){
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return false;
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}
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$im = imagecreatefromstring($image);
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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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} |