ldapsaisie/src/includes/class/class.LSformRule_imagesize.php

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<?php
/*******************************************************************************
* Copyright (C) 2007 Easter-eggs
* http://ldapsaisie.labs.libre-entreprise.org
*
* Author: See AUTHORS file in top-level directory.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
******************************************************************************/
/**
* Règle de validation : taille d'une image
*
* @author Benjamin Renard <brenard@easter-eggs.com>
*/
class LSformRule_imagesize extends LSformRule {
/**
* Vérification de la valeur.
*
* @param string $values Valeur à vérifier
* @param array $options Options de validation :
* - Largeur max : $options['params']['maxWidth']
* - Largeur min : $options['params']['minWidth']
* - Hauteur max : $options['params']['maxHeight']
* - Hauteur min : $options['params']['minHeight']
* @param object $formElement L'objet formElement attaché
*
* @return boolean true si la valeur est valide, false sinon
*/
public static function validate ($value,$options,$formElement) {
$file = LSsession :: getTmpFile($value);
list($width, $height, $type, $attr) = getimagesize($file);
LSdebug("LSformRule_imagesize :: validate() : image size is $width x $height, type=$type, attr='$attr'");
$maxWidth = LSconfig :: get('params.maxWidth', null, 'int', $options);
if ($maxWidth && $width > $maxWidth) {
LSdebug("LSformRule_imagesize :: validate() : max width error ($width > $maxWidth)");
return;
}
$minWidth = LSconfig :: get('params.minWidth', null, 'int', $options);
if ($minWidth && $width < $minWidth) {
LSdebug("LSformRule_imagesize :: validate() : min width error ($width < $minWidth)");
return;
}
$maxHeight = LSconfig :: get('params.maxHeight', null, 'int', $options);
if ($maxHeight && $height > $maxHeight) {
LSdebug("LSformRule_imagesize :: validate() : max height error ($height > $maxHeight)");
return;
}
$minHeight = LSconfig :: get('params.minHeight', null, 'int', $options);
if ($minHeight && $height < $minHeight) {
LSdebug("LSformRule_imagesize :: validate() : min height error ($height < $minHeight)");
return;
}
return true;
}
}