html2pdf AddFont Roboto does not work

Hy there, I'm using html2pdf v3 to create a PDF. That works pretty good. But now I wanted to use Google Fonts inside the PDF. So I downloaded Roboto-Regular.ttf and renamed it to roboto.ttf. Then I converted it to .php and .z (Encoding: cp1252): http://www.fpdf.org/makefont/index.php Then I copied those two files inside the "fonts" folder and included the font: $html2pdf = new HTML2PDF('P', 'A4', 'de', true, 'UTF-8', array(30,18,30,18)); $html2pdf->pdf->SetDisplayMode('fullpage'); $html2pdf->AddFont('roboto', 'normal', 'roboto.php'); $html2pdf->writeHTML($css.$content); $html2pdf->Output($path.$pdf_name, 'F'); Unfortunately the Roboto Text has some pretty weird widths: HTML: <p>This is written with default Font Family</p> <p style="font-family:roboto">This is written with Roboto</p> Output: The same happens when I set Roboto as default font $html2pdf->setDefaultFont('roboto'); Is there any solution for this?