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Path: /data/applications/aps/tikiwiki/14.1-0/standard/htdocs/lib/smarty_tiki/ [ Home ]
File: function.thumb.php
<?php
// (c) Copyright 2002-2015 by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id: function.thumb.php 53803 2015-02-06 00:42:50Z jyhem $

//this script may only be included - so its better to die if called directly.
if (strpos($_SERVER["SCRIPT_NAME"], basename(__FILE__)) !== false) {
	header("location: index.php");
	exit;
}

/*
 * smarty_function_thumb: Display a thumbnail of a file/image (from a file gallery)
 *
 * params will be used as params for the HTML tag (e.g. border, class, ...), except special params starting with '_' :
 *  - _id: ID of the file
 *  - _max: Reduce image height and width to be less or equal the value of '_max' in pixels (keep ratio)
 */
function smarty_function_thumb($params, $smarty)
{
	global $prefs;

	if ( ! is_array($params) || ! isset($params['_id']) ) {
		return;
	}

	if ( ! isset($params['_max']) ) {
		$params['_max'] = $prefs['fgal_thumb_max_size']; // default thumbnail size
	}

	// Include smarty functions used below
	$smarty->loadPlugin('smarty_function_html_image');

	// Smarty html_image has some problems to detect height and width of such a file...
	//	$html = smarty_function_html_image(array(
	//		'src' => 'tiki-download_file.php?fileId='.((int)$params['_id']).'&amp;thumbnail&amp;max='.((int)$params['_max'])
	//	), $smarty);

	$html = '<img ';
	foreach ($params as $k => $v) {
		if ( $k == '' || $k[0] == '_' || $k == 'src' ) {
			continue;
		}
		$html .= ' ' . htmlentities($k) . '="' . htmlentities($v) . '"';
	}
	$html .= ' src="tiki-download_file.php?fileId=' . ((int) $params['_id']) . '&amp;thumbnail&amp;max=' . ((int) $params['_max']) . '" />';

	return $html;
}