bebeboutik/modules/watermark/watermark.php

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2016-01-04 12:49:26 +01:00
<?php
/*
* 2007-2011 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
* @author PrestaShop SA <contact@prestashop.com>
* @copyright 2007-2011 PrestaShop SA
* @version Release: $Revision: 8783 $
* @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
if (!defined('_PS_VERSION_'))
exit;
class Watermark extends Module
{
private $_html = '';
private $_postErrors = array();
private $xaligns = array('left', 'middle', 'right');
private $yaligns = array('top', 'middle', 'bottom');
private $yAlign;
private $xAlign;
private $transparency;
private $imageTypes = array();
private $watermarkTypes;
private $maxImageSize = 100000;
public function __construct()
{
$this->name = 'watermark';
$this->tab = 'administration';
$this->version = 0.1;
$this->author = 'PrestaShop';
parent::__construct();
$config = Configuration::getMultiple(array('WATERMARK_TYPES', 'WATERMARK_Y_ALIGN', 'WATERMARK_X_ALIGN', 'WATERMARK_TRANSPARENCY'));
if (!isset($config['WATERMARK_TYPES']))
$config['WATERMARK_TYPES'] = '';
$tmp = explode(',', $config['WATERMARK_TYPES']);
foreach (ImageType::getImagesTypes('products') as $type)
if (in_array($type['id_image_type'], $tmp))
$this->imageTypes[] = $type;
$this->yAlign = isset($config['WATERMARK_Y_ALIGN']) ? $config['WATERMARK_Y_ALIGN'] : '';
$this->xAlign = isset($config['WATERMARK_X_ALIGN']) ? $config['WATERMARK_X_ALIGN'] : '';
$this->transparency = isset($config['WATERMARK_TRANSPARENCY']) ? $config['WATERMARK_TRANSPARENCY'] : 60;
$this->displayName = $this->l('Watermark');
$this->description = $this->l('Protect image by watermark.');
$this->confirmUninstall = $this->l('Are you sure you want to delete your details ?');
if (!isset($this->transparency) OR !isset($this->xAlign) OR !isset($this->yAlign))
$this->warning = $this->l('Watermark image must be uploaded in order for this module to work correctly.');
}
public function install()
{
if (!parent::install() OR !$this->registerHook('watermark'))
return false;
Configuration::updateValue('WATERMARK_TRANSPARENCY', 60);
Configuration::updateValue('WATERMARK_Y_ALIGN', 'bottom');
Configuration::updateValue('WATERMARK_X_ALIGN', 'right');
return true;
}
public function uninstall()
{
return (parent::uninstall()
AND Configuration::deleteByName('WATERMARK_TYPES')
AND Configuration::deleteByName('WATERMARK_TRANSPARENCY')
AND Configuration::deleteByName('WATERMARK_Y_ALIGN')
AND Configuration::deleteByName('WATERMARK_X_ALIGN'));
}
private function _postValidation()
{
$yalign = Tools::getValue('yalign');
$xalign = Tools::getValue('xalign');
$transparency = (int)(Tools::getValue('transparency'));
$image_types = Tools::getValue('image_types');
if (empty($transparency))
$this->_postErrors[] = $this->l('Transparency required.');
elseif ($transparency < 0 || $transparency > 100)
$this->_postErrors[] = $this->l('Transparency is not in allowed range.');
if (empty($yalign))
$this->_postErrors[] = $this->l('Y-Align is required.');
elseif (!in_array($yalign, $this->yaligns))
$this->_postErrors[] = $this->l('Y-Align is not in allowed range.');
if (empty($xalign))
$this->_postErrors[] = $this->l('X-Align is required.');
elseif (!in_array($xalign, $this->xaligns))
$this->_postErrors[] = $this->l('X-Align is not in allowed range.');
if (empty($image_types))
$this->_postErrors[] = $this->l('At least one image type is required.');
if (isset($_FILES['PS_WATERMARK']['tmp_name']) AND !empty($_FILES['PS_WATERMARK']['tmp_name']))
{
if (!isPicture($_FILES['PS_WATERMARK'], array('image/gif')))
$this->_postErrors[] = $this->l('Image must be in GIF format.');
}
return !sizeof($this->_postErrors) ? true : false;
}
private function _postProcess(){
Configuration::updateValue('WATERMARK_TYPES', implode(',', Tools::getValue('image_types')));
Configuration::updateValue('WATERMARK_Y_ALIGN', Tools::getValue('yalign'));
Configuration::updateValue('WATERMARK_X_ALIGN', Tools::getValue('xalign'));
Configuration::updateValue('WATERMARK_TRANSPARENCY', Tools::getValue('transparency'));
//submited watermark
if (isset($_FILES['PS_WATERMARK']) AND !empty($_FILES['PS_WATERMARK']['tmp_name']))
{
/* Check watermark validity */
if ($error = checkImage($_FILES['PS_WATERMARK'], $this->maxImageSize))
$this->_errors[] = $error;
/* Copy new watermark */
elseif (!copy($_FILES['PS_WATERMARK']['tmp_name'], dirname(__FILE__).'/watermark.gif'))
$this->_errors[] = Tools::displayError('an error occurred while uploading watermark: '.$_FILES['PS_WATERMARK']['tmp_name'].' to '.$dest);
}
if ($this->_errors)
foreach ($this->_errors as $error)
$this->_html .= '<div class="module_error alert error"><img src="../img/admin/warning.gif" alt="'.$this->l('ok').'" /> '.$this->l($error).'</div>';
else
$this->_html .= '<div class="conf confirm"><img src="../img/admin/ok.gif" alt="'.$this->l('ok').'" /> '.$this->l('Settings updated').'</div>';
}
private function _displayForm()
{
$imageTypes = ImageType::getImagesTypes('products');
$this->_html .=
'<form action="'.Tools::safeOutput($_SERVER['REQUEST_URI']).'" method="post" enctype="multipart/form-data">
<fieldset><legend><img src="../modules/'.$this->name.'/logo.gif" />'.$this->l('Watermark details').'</legend>
<p>'.$this->l('Once you have set up the module, regenerate the images using the "Images" tool in Preferences. However, the watermark will be added automatically to new images.').'</p>
<table border="0" width="500" cellpadding="0" cellspacing="0" id="form">
<tr>
<td />
<td>'.(file_exists(dirname(__FILE__).'/watermark.gif') ? '<img src="../modules/'.$this->name.'/watermark.gif?t='.time().'" />' : $this->l('No watermark uploaded.')).'</td>
</tr>
<tr>
<td>'.$this->l('Watermark file').'</td>
<td>
<input type="file" name="PS_WATERMARK" />
<p style="color:#7F7F7F; font-size:0.85em; margin:0; padding:0;">'.$this->l('Must be in GIF format').'</p>
</td>
</tr>
<tr>
<td width="270" style="height: 35px;">'.$this->l('Watermark transparency (0-100)').'</td>
<td><input type="text" name="transparency" value="'.Tools::getValue('transparency', Configuration::get('WATERMARK_TRANSPARENCY')).'" style="width: 30px;" /></td>
</tr>
<tr><td width="270" style="height: 35px;">'.$this->l('Watermark X align').'</td>
<td>
<select id="xalign" name = "xalign">';
foreach($this->xaligns as $align)
$this->_html .= '<option value="'.$align.'"'.(Tools::getValue('xalign', Configuration::get('WATERMARK_X_ALIGN')) == $align ? ' selected="selected"' : '' ).'>'.$this->l($align).'</option>';
$this->_html .= '</select>
</td>
</tr>
<tr><td width="270" style="height: 35px;">'.$this->l('Watermark Y align').'</td>
<td>
<select id="yalign" name = "yalign">';
foreach($this->yaligns as $align)
$this->_html .= '<option value="'.$align.'"'.(Tools::getValue('yalign', Configuration::get('WATERMARK_Y_ALIGN')) == $align ? ' selected="selected"' : '' ).'>'.$this->l($align).'</option>';
$this->_html .= '</select>
</td>
</tr>
<tr><td width="270" style="height: 35px;">'.$this->l('Choose image types for watermark protection.').'</td><td>';
$selected_types = explode(',', Configuration::get('WATERMARK_TYPES'));
foreach(ImageType::getImagesTypes('products') as $type)
{
$this->_html .= '<label style="float:none; ">
<input type="checkbox" value="'.$type['id_image_type'].'" name="image_types[]"'.
(in_array($type['id_image_type'], $selected_types) ? ' checked="checked"' : '').' />&nbsp;<span style="font-weight:bold;">'.$type['name'].'</span>
('.$type['width'].' x '.$type['height'].')</label><br />';
}
$this->_html .= '</td></tr>
<tr><td colspan="2">&nbsp;</td></tr>
<tr><td colspan="2" align="center"><input class="button" name="btnSubmit" value="'.$this->l('Update settings').'" type="submit" /></td></tr>
</table>
</fieldset>
</form>';
}
public function getContent()
{
$this->_html = '<h2>'.$this->displayName.'</h2>';
if (!empty($_POST))
{
$this->_postValidation();
if (!sizeof($this->_postErrors))
$this->_postProcess();
else
foreach ($this->_postErrors AS $err)
$this->_html .= '<div class="alert error">'. $err .'</div>';
}
else
$this->_html .= '<br />';
$this->_displayForm();
return $this->_html;
}
//we assume here only jpg files
public function hookwatermark($params)
{
global $smarty;
$image = new Image($params['id_image']);
$image->id_product = $params['id_product'];
$file = _PS_PROD_IMG_DIR_.$image->getExistingImgPath().'-watermark.jpg';
//first make a watermark image
$return = $this->watermarkByImage(_PS_PROD_IMG_DIR_.$image->getExistingImgPath().'.jpg', dirname(__FILE__).'/watermark.gif', $file, 23, 0, 0, 'right');
//go through file formats defined for watermark and resize them
foreach($this->imageTypes as $imageType)
{
$newFile = _PS_PROD_IMG_DIR_.$image->getExistingImgPath().'-'.stripslashes($imageType['name']).'.jpg';
if (!imageResize($file, $newFile, (int)($imageType['width']), (int)($imageType['height'])))
$return = false;
}
return $return;
}
private function watermarkByImage($imagepath, $watermarkpath, $outputpath)
{
$Xoffset = $Yoffset = $xpos = $ypos = 0;
if (!$image = imagecreatefromjpeg($imagepath))
return false;
if (!$imagew = imagecreatefromgif ($watermarkpath))
die ($this->l('The watermark image is not a real gif, please CONVERT the image.'));
list($watermarkWidth, $watermarkHeight) = getimagesize($watermarkpath);
list($imageWidth, $imageHeight) = getimagesize($imagepath);
if ($this->xAlign == "middle") { $xpos = $imageWidth/2 - $watermarkWidth/2 + $Xoffset; }
if ($this->xAlign == "left") { $xpos = 0 + $Xoffset; }
if ($this->xAlign == "right") { $xpos = $imageWidth - $watermarkWidth - $Xoffset; }
if ($this->yAlign == "middle") { $ypos = $imageHeight/2 - $watermarkHeight/2 + $Yoffset; }
if ($this->yAlign == "top") { $ypos = 0 + $Yoffset; }
if ($this->yAlign == "bottom") { $ypos = $imageHeight - $watermarkHeight - $Yoffset; }
if (!imagecopymerge($image, $imagew, $xpos, $ypos, 0, 0, $watermarkWidth, $watermarkHeight, $this->transparency))
return false;
return imagejpeg($image, $outputpath, 100);
}
}