function get_data($url)
{
if (array_key_exists($url, $this->_content)) {
return new FetchedDataURL($this->_content[$url], array(), "");
}
return parent::get_data($url);
}
function get($url, &$pipeline)
{
global $g_config, $g_image_cache;
if (!$g_config['renderimages']) {
return null;
}
// Check if this URL have been cached
//
if (isset($g_image_cache[$url])) {
// return do_image_open($g_image_cache[$url]);
return $g_image_cache[$url];
}
// Download image; we should do it before we call do_image_open,
// as it tries to open image file twice: first to determine image type
// and second to actually create the image - PHP url wrappers do no caching
// at all
//
$filename = ImageFactory::make_cache_filename($url);
// REQUIRES: PHP 4.3.0+
// we suppress warning messages, as missing image files will cause 'copy' to print
// several warnings
//
// @TODO: change to fetcher class call
//
// simplify our url by fetcher simlify functionality
$url = FetcherUrl::_simplify_path($url);
$data = $pipeline->fetch($url);
if (is_null($data)) {
trigger_error("Cannot fetch image: " . $url, E_USER_WARNING);
return null;
}
$file = fopen($filename, 'wb');
fwrite($file, $data->content);
fclose($file);
$pipeline->pop_base_url();
// register it in the cached objects array
//
$handle = do_image_open($filename, $type);
if ($handle) {
$g_image_cache[$url] =& new Image($handle, $filename, $type);
} else {
$g_image_cache[$url] = null;
}
// return image
//
// return do_image_open($filename);
return $g_image_cache[$url];
}
