private void SerObject(PdfObject obj, int level, ByteBuffer bb)
{
if (level <= 0)
{
return;
}
if (obj == null)
{
bb.Append("$Lnull");
return;
}
obj = PdfReader.GetPdfObject(obj);
if (obj.IsStream())
{
bb.Append("$B");
SerDic((PdfDictionary)obj, level - 1, bb);
if (level > 0)
{
bb.Append(PdfEncryption.DigestComputeHash("MD5", PdfReader.GetStreamBytesRaw((PRStream)obj)));
}
}
else if (obj.IsDictionary())
{
SerDic((PdfDictionary)obj, level - 1, bb);
}
else if (obj.IsArray())
{
SerArray((PdfArray)obj, level - 1, bb);
}
else if (obj.IsString())
{
bb.Append("$S").Append(obj.ToString());
}
else if (obj.IsName())
{
bb.Append("$N").Append(obj.ToString());
}
else
{
bb.Append("$L").Append(obj.ToString());
}
}
private static byte[] HashBytesSha1(byte[] b)
{
return(PdfEncryption.DigestComputeHash("SHA1", b));
}
