public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
byte[] b = PdfReader.getStreamBytesRaw(this);
PdfEncryption crypto = null;
if (writer != null) crypto = writer.getEncryption();
PdfObject objLen = get(PdfName.LENGTH);
int nn = b.length;
if (crypto != null) nn = crypto.calculateStreamSize(nn);
put(PdfName.LENGTH, new PdfNumber(nn));
superToPdf(writer, os);
put(PdfName.LENGTH, objLen);
os.write(STARTSTREAM);
if (length > 0) {
if (crypto != null && !crypto.isEmbeddedFilesOnly()) b = crypto.encryptByteArray(b);
os.write(b);
}
os.write(ENDSTREAM);
}
