mirror of
https://github.com/smarty-php/smarty.git
synced 2025-10-04 08:10:55 +02:00
116 lines
3.3 KiB
PHP
116 lines
3.3 KiB
PHP
<?php
|
|
|
|
/*
|
|
* Smarty plugin
|
|
* -------------------------------------------------------------
|
|
* Type: function
|
|
* Name: html_image
|
|
* Version: 1.0
|
|
* Date: Feb 24, 2003
|
|
* Author: Monte Ohrt <monte@ispi.net>
|
|
* Credits: Duda <duda@big.hu> - wrote first image function
|
|
* in repository, helped with lots of functionality
|
|
* Purpose: format HTML tags for the image
|
|
* Input: file = file (and path) of image (required)
|
|
* border = border width (optional, default 0)
|
|
* height = image height (optional, default actual height)
|
|
* image =image width (optional, default actual width)
|
|
* basedir = base directory for absolute paths, default
|
|
* is environment variable DOCUMENT_ROOT
|
|
*
|
|
* Examples: {image file="images/masthead.gif"}
|
|
* Output: <img src="images/masthead.gif" border=0 width=400 height=23>
|
|
* -------------------------------------------------------------
|
|
*/
|
|
function smarty_function_html_image($params, &$smarty)
|
|
{
|
|
require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
|
|
|
|
$file = '';
|
|
$border = 0;
|
|
$height = '';
|
|
$width = '';
|
|
$extra = '';
|
|
$prefix = '';
|
|
$suffix = '';
|
|
$basedir = isset($GLOBALS['HTTP_SERVER_VARS']['DOCUMENT_ROOT'])
|
|
? $GLOBALS['HTTP_SERVER_VARS']['DOCUMENT_ROOT'] : '/';
|
|
if(strstr($GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'], 'Mac')) {
|
|
$dpi_default = 72;
|
|
} else {
|
|
$dpi_default = 96;
|
|
}
|
|
|
|
foreach($params as $_key => $_val) {
|
|
switch($_key) {
|
|
case 'file':
|
|
$file = $_val;
|
|
break;
|
|
case 'border':
|
|
$border = $_val;
|
|
break;
|
|
case 'height':
|
|
$height = $_val;
|
|
break;
|
|
case 'width':
|
|
$width = $_val;
|
|
break;
|
|
case 'link':
|
|
$prefix = '<a href="' . $link . '">';
|
|
$suffix = '</a>';
|
|
break;
|
|
case 'dpi':
|
|
$dpi = $_val;
|
|
break;
|
|
default:
|
|
$extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (empty($file)) {
|
|
$smarty->trigger_error("html_image: missing 'file' parameter", E_USER_ERROR);
|
|
}
|
|
|
|
if(substr($file,0,1) == DIR_SEP) {
|
|
$_image_path = $basedir . DIR_SEP . $file;
|
|
} else {
|
|
$_image_path = $file;
|
|
}
|
|
|
|
if(!isset($params['width']) || !isset($params['height'])) {
|
|
if(!$_image_data = getimagesize($_image_path)) {
|
|
if(!file_exists($_image_path)) {
|
|
$smarty->trigger_error("html_image: unable to find '$_image_path'", E_USER_ERROR);
|
|
} else if(!is_readable($_image_path)) {
|
|
$smarty->trigger_error("html_image: unable to read '$_image_path'", E_USER_ERROR);
|
|
} else {
|
|
$smarty->trigger_error("html_image: '$_image_path' is not a valid image file", E_USER_ERROR);
|
|
}
|
|
}
|
|
if(!$smarty->security && !$smarty->_is_secure('file', $_image_path)) {
|
|
$smarty->trigger_error("html_image: (secure) '$_image_path' not in secure directory", E_USER_ERROR);
|
|
}
|
|
|
|
if(!isset($params['width'])) {
|
|
$width = $_image_data[0];
|
|
}
|
|
if(!isset($params['height'])) {
|
|
$height = $_image_data[1];
|
|
}
|
|
|
|
}
|
|
|
|
if(isset($params['dpi'])) {
|
|
$_resize = $dpi_default/$params['dpi'];
|
|
$width = round($width * $_resize);
|
|
$height = round($height * $_resize);
|
|
}
|
|
|
|
return $prefix . '<img src="'.$file.'" border="'.$border.'" width="'.$width.'" height="'.$height.'"'.$extra.'>' . $suffix;
|
|
}
|
|
|
|
/* vim: set expandtab: */
|
|
|
|
?>
|