    // Copyright (C) 2011  Davis E. King (davis@dlib.net)
    // License: Boost Software License   See LICENSE.txt for the full license.

    #include <sstream>
    #include <fstream>
    #include <dlib/compress_stream.h>
    #include <dlib/base64.h>

    namespace
    {
        // This function returns the contents of the file 'iris.scale'
        const std::string get_decoded_string()
        {
            dlib::base64::kernel_1a base64_coder;
            dlib::compress_stream::kernel_1ea compressor;
            std::ostringstream sout;
            std::istringstream sin;

            // The base64 encoded data from the file 'iris.scale' we want to decode and return.
            sout << "MU66cCmT9lCXWJXwhdfOGELwlyExClbHEF1s9XoqxNDV7o8AdVVHws/C9oIKO5EShH1lI/QFTWk3";
            sout << "8EUdVpSw/NpZCUa7O9nq5uO6SE0gfRAyryH+pfIVL9jPiQi8rBdagDf4kUd4eggz9glwYnKEE+US";
            sout << "K4GUBnW33YDf/jMF2GIBLNvz69yGJj8RC5rOUeJxR4mlHrDmnEfgRSdFIfXk4OQ4V/XbOsE1bnhG";
            sout << "fmACcu7nYv6M/043Z6o8oaBeoJ2XK/9UqOWGFOwfVpQ46fz1a0oTlOzyDbbzMiniLr8z5P/VYwYd";
            sout << "iAE70MwxHXs6Ga3zMmD/h1WxB/uRRph39B1lPN1UXC7U6SIatmtGWY+JYpwBk6raAnR3sblTFBNs";
            sout << "UdPW+1a7AxinR0NZO6YEiCFy8lbpfPRZNAr5ENqPbD2DZtkHk3L8ARxSoFBgqPa8aO3fFow7rVxF";
            sout << "xIJ2TxcHS84+BtH7KvtWfH7kUPOZLQ+Ohqghn9I57IeMl7E3aoTRTiVv3P2twAbP5Y+ZaAUoU7CK";
            sout << "c9FptjKgMClUkuWxA7tGUEp069PqGT8NbI+yxorh/iVhkVhuGAzgjjXYS/D26OGj4bzF6mtRbnms";
            sout << "Y2OYlF7QqhawZaHLtmZ6xLhR2F8p/0nrbpAz2brQLNKgQAMvU9rTZ0XYpuJNbRSsARkRDorPopDO";
            sout << "kKNUORfkh2zfIytVToQ9tZ9W2LkfGZdWjJu/wEKjPDAU55q3bCfKOUk12tjq0sq/7qjUWJRcLSCu";
            sout << "bqo8EzaKJj3cTXVgXXLHP6WEOPZ9vShuxQUu1JWkh8YEinjwFSyA6UnAKqPtN/HsBgv8YbnfnY/q";
            sout << "e5JvUYWbs3Lk9enlhcI0vEVTV5f0GMjdkW87l3cWgmXJqiljJDREWEdKZJQ0rGBU/gW5kO3SAS1W";
            sout << "OETVJG2kJD8Ib7hT15Mu2lOVNQYFri6O3yWtp5/NLHsYXoDKIYrxoJtM9+GkprVwRuhDcwxE+eQa";
            sout << "pp5nC8qj38ameQHaJR2hJCuW2nvr4Wwm0ploF00ZP9cS9YznCO52cueUQX0+zil7bU++jghqSGP5";
            sout << "+JyRzWUWWbDhnCyanej2Y3sqfZ3o2kuUjaAgZFz5pLqK64uACjztp4bQFsaMRdc+OCV2uItqoaRg";
            sout << "a6u7/VrvS+ZigwcGWDjXSKev334f8ZqQQIR5hljdeseGuw7/5XySzUrgc8lCOvMa0pKNn9Nl8W/W";
            sout << "vbKz1VwA";

            // Put the data into the istream sin
            sin.str(sout.str());
            sout.str("");

            // Decode the base64 text into its compressed binary form
            base64_coder.decode(sin,sout);
            sin.clear();
            sin.str(sout.str());
            sout.str("");

            // Decompress the data into its original form
            compressor.decompress(sin,sout);

            // Return the decoded and decompressed data
            return sout.str();
        }
    }

    namespace dlib
    {
        void create_iris_datafile (
        )
        {
            std::ofstream fout("iris.scale");
            fout << get_decoded_string();
        }
    }