*
* @link http://smarty.php.net/manual/en/language.function.html.image.php {html_image}
* (Smarty online manual)
* @author Monte Ohrt * - file = file (and path) of image (required) * - containerHeight = image container (parent) height * - height = image height (optional, default actual height) * - width = image width (optional, default actual width) * - basedir = base directory for absolute paths, default * is environment variable DOCUMENT_ROOT * - path_prefix = prefix for path output (optional, default empty) * @param object $template template object * @return string * @uses smarty_function_escape_special_chars() */ function smarty_function_html_image($params, $template) { require_once(SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php'); $alt = ''; $file = ''; $height = ''; $width = ''; $extra = ''; $prefix = ''; $suffix = ''; $path_prefix = ''; $server_vars = $_SERVER; $basedir = isset($server_vars['DOCUMENT_ROOT']) ? $server_vars['DOCUMENT_ROOT'] : ''; foreach($params as $_key => $_val) { switch ($_key) { case 'file': case 'height': case 'width': case 'dpi': case 'path_prefix': case 'basedir': $$_key = $_val; break; case 'alt': if (!is_array($_val)) { $$_key = smarty_function_escape_special_chars($_val); } else { throw new SmartyException ("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE); } break; case 'link': case 'href': $prefix = ''; $suffix = ''; break; default: if (!is_array($_val)) { $extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"'; } else { throw new SmartyException ("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE); } break; } } if (empty($file)) { trigger_error("html_image: missing 'file' parameter", E_USER_NOTICE); return; } if (substr($file, 0, 1) == '/') { $_image_path = $basedir . $file; } else { $_image_path = $file; } if (!isset($params['width']) || !isset($params['height'])) { if (!$_image_data = @getimagesize($_image_path)) { if (!file_exists($_image_path)) { trigger_error("html_image: unable to find '$_image_path'", E_USER_NOTICE); return; } else if (!is_readable($_image_path)) { trigger_error("html_image: unable to read '$_image_path'", E_USER_NOTICE); return; } else { trigger_error("html_image: '$_image_path' is not a valid image file", E_USER_NOTICE); return; } } if (isset($template->security_policy)) { if (!$template->security_policy->isTrustedResourceDir($_image_path)) { return; } } if (!isset($params['width'])) { $width = $_image_data[0]; } if (!isset($params['height'])) { $height = $_image_data[1]; } } if (isset($params['dpi'])) { if (strstr($server_vars['HTTP_USER_AGENT'], 'Mac')) { $dpi_default = 72; } else { $dpi_default = 96; } $_resize = $dpi_default / $params['dpi']; $width = round($width * $_resize); $height = round($height * $_resize); } // EDIT HERE FOR containerHeight if (isset($params['containerHeight'])) { $containerHeightAttr = ' style="margin-top: ' . intval(($params['containerHeight'] - $height) / 2) . 'px;"'; $extra .= $containerHeightAttr; } return $prefix . '