| 1 | joko | 1.1 | <?php | 
| 2 |  |  | /** | 
| 3 |  |  | * Smarty plugin | 
| 4 |  |  | * @package Smarty | 
| 5 |  |  | * @subpackage plugins | 
| 6 |  |  | */ | 
| 7 |  |  |  | 
| 8 |  |  |  | 
| 9 |  |  | /** | 
| 10 |  |  | * Smarty {html_image} function plugin | 
| 11 |  |  | * | 
| 12 |  |  | * Type:     function<br> | 
| 13 |  |  | * Name:     html_image<br> | 
| 14 |  |  | * Date:     Feb 24, 2003<br> | 
| 15 |  |  | * Purpose:  format HTML tags for the image<br> | 
| 16 |  |  | * Input:<br> | 
| 17 |  |  | *         - file = file (and path) of image (required) | 
| 18 |  |  | *         - border = border width (optional, default 0) | 
| 19 |  |  | *         - height = image height (optional, default actual height) | 
| 20 |  |  | *         - image =image width (optional, default actual width) | 
| 21 |  |  | *         - basedir = base directory for absolute paths, default | 
| 22 |  |  | *                     is environment variable DOCUMENT_ROOT | 
| 23 |  |  | * | 
| 24 |  |  | * Examples: {html_image file="images/masthead.gif"} | 
| 25 |  |  | * Output:   <img src="images/masthead.gif" border=0 width=400 height=23> | 
| 26 |  |  | * @link http://smarty.php.net/manual/en/language.function.html.image.php {html_image} | 
| 27 |  |  | *      (Smarty online manual) | 
| 28 |  |  | * @author   Monte Ohrt <monte@ispi.net> | 
| 29 |  |  | * @author credits to Duda <duda@big.hu> - wrote first image function | 
| 30 |  |  | *           in repository, helped with lots of functionality | 
| 31 |  |  | * @version  1.0 | 
| 32 |  |  | * @param array | 
| 33 |  |  | * @param Smarty | 
| 34 |  |  | * @return string | 
| 35 |  |  | * @uses smarty_function_escape_special_chars() | 
| 36 |  |  | */ | 
| 37 |  |  | function smarty_function_html_image($params, &$smarty) | 
| 38 |  |  | { | 
| 39 |  |  | require_once $smarty->_get_plugin_filepath('shared','escape_special_chars'); | 
| 40 |  |  |  | 
| 41 |  |  | $alt = ''; | 
| 42 |  |  | $file = ''; | 
| 43 |  |  | $border = 0; | 
| 44 |  |  | $height = ''; | 
| 45 |  |  | $width = ''; | 
| 46 |  |  | $extra = ''; | 
| 47 |  |  | $prefix = ''; | 
| 48 |  |  | $suffix = ''; | 
| 49 |  |  | $server_vars = ($smarty->request_use_auto_globals) ? $_SERVER : $GLOBALS['HTTP_SERVER_VARS']; | 
| 50 |  |  | $basedir = isset($server_vars['DOCUMENT_ROOT']) ? $server_vars['DOCUMENT_ROOT'] : ''; | 
| 51 |  |  | foreach($params as $_key => $_val) { | 
| 52 |  |  | switch($_key) { | 
| 53 |  |  | case 'file': | 
| 54 |  |  | case 'border': | 
| 55 |  |  | case 'height': | 
| 56 |  |  | case 'width': | 
| 57 |  |  | case 'dpi': | 
| 58 |  |  | case 'basedir': | 
| 59 |  |  | $$_key = $_val; | 
| 60 |  |  | break; | 
| 61 |  |  |  | 
| 62 |  |  | case 'alt': | 
| 63 |  |  | if(!is_array($_val)) { | 
| 64 |  |  | $$_key = smarty_function_escape_special_chars($_val); | 
| 65 |  |  | } else { | 
| 66 |  |  | $smarty->trigger_error("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE); | 
| 67 |  |  | } | 
| 68 |  |  | break; | 
| 69 |  |  |  | 
| 70 |  |  | case 'link': | 
| 71 |  |  | case 'href': | 
| 72 |  |  | $prefix = '<a href="' . $_val . '">'; | 
| 73 |  |  | $suffix = '</a>'; | 
| 74 |  |  | break; | 
| 75 |  |  |  | 
| 76 |  |  | default: | 
| 77 |  |  | if(!is_array($_val)) { | 
| 78 |  |  | $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"'; | 
| 79 |  |  | } else { | 
| 80 |  |  | $smarty->trigger_error("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE); | 
| 81 |  |  | } | 
| 82 |  |  | break; | 
| 83 |  |  | } | 
| 84 |  |  | } | 
| 85 |  |  |  | 
| 86 |  |  | if (empty($file)) { | 
| 87 |  |  | $smarty->trigger_error("html_image: missing 'file' parameter", E_USER_NOTICE); | 
| 88 |  |  | return; | 
| 89 |  |  | } | 
| 90 |  |  |  | 
| 91 |  |  | if (substr($file,0,1) == '/') { | 
| 92 |  |  | $_image_path = $basedir . $file; | 
| 93 |  |  | } else { | 
| 94 |  |  | $_image_path = $file; | 
| 95 |  |  | } | 
| 96 |  |  |  | 
| 97 |  |  | if(!isset($params['width']) || !isset($params['height'])) { | 
| 98 |  |  | if ($smarty->security && | 
| 99 |  |  | ($_params = array('resource_type' => 'file', 'resource_name' => $_image_path)) && | 
| 100 |  |  | (require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.is_secure.php')) && | 
| 101 |  |  | (!smarty_core_is_secure($_params, $smarty)) ) { | 
| 102 |  |  | $smarty->trigger_error("html_image: (secure) '$_image_path' not in secure directory", E_USER_NOTICE); | 
| 103 |  |  |  | 
| 104 |  |  | } elseif (!$_image_data = @getimagesize($_image_path)) { | 
| 105 |  |  | if(!file_exists($_image_path)) { | 
| 106 |  |  | $smarty->trigger_error("html_image: unable to find '$_image_path'", E_USER_NOTICE); | 
| 107 |  |  | return; | 
| 108 |  |  | } else if(!is_readable($_image_path)) { | 
| 109 |  |  | $smarty->trigger_error("html_image: unable to read '$_image_path'", E_USER_NOTICE); | 
| 110 |  |  | return; | 
| 111 |  |  | } else { | 
| 112 |  |  | $smarty->trigger_error("html_image: '$_image_path' is not a valid image file", E_USER_NOTICE); | 
| 113 |  |  | return; | 
| 114 |  |  | } | 
| 115 |  |  | } | 
| 116 |  |  |  | 
| 117 |  |  | if(!isset($params['width'])) { | 
| 118 |  |  | $width = $_image_data[0]; | 
| 119 |  |  | } | 
| 120 |  |  | if(!isset($params['height'])) { | 
| 121 |  |  | $height = $_image_data[1]; | 
| 122 |  |  | } | 
| 123 |  |  |  | 
| 124 |  |  | } | 
| 125 |  |  |  | 
| 126 |  |  | if(isset($params['dpi'])) { | 
| 127 |  |  | if(strstr($server_vars['HTTP_USER_AGENT'], 'Mac')) { | 
| 128 |  |  | $dpi_default = 72; | 
| 129 |  |  | } else { | 
| 130 |  |  | $dpi_default = 96; | 
| 131 |  |  | } | 
| 132 |  |  | $_resize = $dpi_default/$params['dpi']; | 
| 133 |  |  | $width = round($width * $_resize); | 
| 134 |  |  | $height = round($height * $_resize); | 
| 135 |  |  | } | 
| 136 |  |  |  | 
| 137 |  |  | return $prefix . '<img src="'.$file.'" alt="'.$alt.'" border="'.$border.'" width="'.$width.'" height="'.$height.'"'.$extra.' />' . $suffix; | 
| 138 |  |  | } | 
| 139 |  |  |  | 
| 140 |  |  | /* vim: set expandtab: */ | 
| 141 |  |  |  | 
| 142 |  |  | ?> |