protected function GenerateWindowsPinicon(SiteConfig $config, SiteTree $owner, &$metadata, Image $WindowsPinicon) {

        // header
        $metadata .= $owner->MarkupComment('Windows Pinned Icon');

        // application name
        $appName = $config->fetchPiniconTitle();
        if (!$appName) {
            $appName = $config->Title;
        }
        $metadata .= $owner->MarkupMeta('application-name', $appName);

        // tile background color
        if ($config->fetchWindowsPiniconBackgroundColor()) {
            $metadata .= $owner->MarkupMeta('msapplication-TileColor', $config->fetchWindowsPiniconBackgroundColor());
        }

        // small tile
        $metadata .= $owner->MarkupMeta('msapplication-square70x70logo', $WindowsPinicon->Fill(70, 70)->getAbsoluteURL());

        // medium tile
        $metadata .= $owner->MarkupMeta('msapplication-square150x150logo', $WindowsPinicon->Fill(150, 150)->getAbsoluteURL());

        // @todo: Implement wide & tall tiles

        // wide tile
//			$metadata .= $owner->MarkupMeta('msapplication-square310x150logo', $WindowsPinicon->Fill(310,150)->getAbsoluteURL());

        // large tile
//			$metadata .= $owner->MarkupMeta('msapplication-square310x310logo', $WindowsPinicon->Fill(310,310)->getAbsoluteURL());

    }