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(C++) Compress Bytes to Base64 (or any other encoding)Compresses bytes to base64 or any other encoding. Also decompress to return the original.
#include <CkBinData.h> #include <CkCompression.h> #include <CkByteData.h> void ChilkatSample(void) { // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. bool success; // 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"; } |
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