C++

Compress Bytes to Base64 (or any other encoding)

See more Compression Examples

Compresses bytes to base64 or any other encoding. Also decompress to return the original. C++

#include <CkBinData.h>
#include <CkCompression.h>
#include <CkByteData.h>

void ChilkatSample(void)
    {
    bool success = false;

    //  This example assumes the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    //  First create some binary data to compress.
    CkBinData binData;

    int i;
    for (i = 1; i <= 16; i++) {
        binData.AppendEncoded("000102030405060708090A0B0C0D0E0F","hex");
    }

    CkCompression compress;
    compress.put_Algorithm("deflate");
    compress.put_EncodingMode("base64");

    CkByteData uncompressedBytes;
    success = binData.GetBinary(uncompressedBytes);

    //  Compress and return the compressed bytes in base64 format.
    const char *compressedBase64 = compress.compressBytesENC(uncompressedBytes);
    std::cout << "compressed and base64 encoded: " << compressedBase64 << "\r\n";

    //  Compress and return in hex format:
    compress.put_EncodingMode("hex");
    const char *compressedHex = compress.compressBytesENC(uncompressedBytes);
    std::cout << "compressed and hex encoded: " << compressedHex << "\r\n";

    //  Now decompress..
    CkBinData binData2;

    //  Decompress the base64..
    compress.put_EncodingMode("base64");
    success = compress.DecompressBytesENC(compressedBase64,uncompressedBytes);
    binData2.AppendBinary(uncompressedBytes);
    //  Show the uncompressed bytes in hex format:
    std::cout << binData2.getEncoded("hex") << "\r\n";
    std::cout << "--" << "\r\n";

    //  Decompress the hex..
    compress.put_EncodingMode("hex");
    success = compress.DecompressBytesENC(compressedHex,uncompressedBytes);
    binData2.Clear();
    binData2.AppendBinary(uncompressedBytes);
    //  Show the uncompressed bytes in hex format:
    std::cout << binData2.getEncoded("hex") << "\r\n";
    std::cout << "--" << "\r\n";
    }