X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/timetracker.git/blobdiff_plain/098a79f0819ebb89b7d48df4a6b154af4560f68e..9a23a8c0a51b7ec38a96f525484134f3cb85dc7e:/WEB-INF/lib/smarty/plugins/function.html_image.php diff --git a/WEB-INF/lib/smarty/plugins/function.html_image.php b/WEB-INF/lib/smarty/plugins/function.html_image.php new file mode 100644 index 00000000..abb7b578 --- /dev/null +++ b/WEB-INF/lib/smarty/plugins/function.html_image.php @@ -0,0 +1,137 @@ + + * Name: html_image
+ * Date: Feb 24, 2003
+ * Purpose: format HTML tags for the image
+ * Examples: {html_image file="/images/masthead.gif"} + * Output: + * + * @link http://smarty.php.net/manual/en/language.function.html.image.php {html_image} + * (Smarty online manual) + * @author Monte Ohrt + * @author credits to Duda + * @version 1.0 + * @param array $params parameters + * Input:
+ * - file = file (and path) of image (required) + * - 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); + } + + return $prefix . '' . $alt . '' . $suffix; +} + +?> \ No newline at end of file