code: protected void builtInFontHack() throws IOException, DocumentException, VectorPrintException {
        ByteArrayOutputStream out = new ByteArrayOutputStream(30720);
        InputStream in = DocumentSettings.class.getResourceAsStream("/" + BaseFont.HELVETICA + ".pfb");
        IOHelper.load(in, out, getSettings().getIntegerProperty(ReportConstants.DEFAULTBUFFERSIZE, ReportConstants.BUFFERSIZE), true);
        VectorPrintBaseFont.cacheAndEmbedBuiltInFont(BaseFont.HELVETICA, out.toByteArray());
     }
docs: Puts /HELVETICA.pfb in the fontCache as an embedded font.
  
  @throws IOException
  @throws DocumentException
  @throws VectorPrintException when the argument is not one of the built in fonts
  @see #pdfA1A(com.itextpdf.text.pdf.PdfWriter)