public void showSig(PdfObject sigObject) {
JDialog frame = new JDialog(getParentJFrame(this.decode_pdf), "Signature Properties", true);
Summary summary = new Summary(frame, sigObject);
summary.setValues(sigObject.getTextStreamValue(PdfDictionary.Name),
sigObject.getTextStreamValue(PdfDictionary.Reason),
sigObject.getTextStreamValue(PdfDictionary.M),
sigObject.getTextStreamValue(PdfDictionary.Location));
frame.getContentPane().add(summary);