/// <summary>Escape special symbols or convert to hexadecimal string.</summary>
/// <remarks>
/// Escape special symbols or convert to hexadecimal string.
/// This method don't change either
/// <c>value</c>
/// or
/// <c>content</c>
/// ot the
/// <c>PdfString</c>
/// .
/// </remarks>
/// <param name="bytes">byte array to manipulate with.</param>
/// <returns>Hexadecimal string or string with escaped symbols in byte array view.</returns>
protected internal virtual byte[] EncodeBytes(byte[] bytes)
{
if (hexWriting)
{
ByteBuffer buf = new ByteBuffer(bytes.Length * 2);
foreach (byte b in bytes)
{
buf.AppendHex(b);
}
return(buf.GetInternalBuffer());
}
else
{
ByteBuffer buf = StreamUtil.CreateBufferedEscapedString(bytes);
return(buf.ToByteArray(1, buf.Size() - 2));
}
}