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(Unicode C++) Compress Bytes to Base64 (or any other encoding)Compresses bytes to base64 or any other encoding. Also decompress to return the original.
#include <CkBinDataW.h> #include <CkCompressionW.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. CkBinDataW binData; int i; for (i = 1; i <= 16; i++) { binData.AppendEncoded(L"000102030405060708090A0B0C0D0E0F",L"hex"); } CkCompressionW compress; compress.put_Algorithm(L"deflate"); compress.put_EncodingMode(L"base64"); CkByteData uncompressedBytes; success = binData.GetBinary(uncompressedBytes); // Compress and return the compressed bytes in base64 format. const wchar_t *compressedBase64 = compress.compressBytesENC(uncompressedBytes); wprintf(L"compressed and base64 encoded: %s\n",compressedBase64); // Compress and return in hex format: compress.put_EncodingMode(L"hex"); const wchar_t *compressedHex = compress.compressBytesENC(uncompressedBytes); wprintf(L"compressed and hex encoded: %s\n",compressedHex); // Now decompress.. CkBinDataW binData2; // Decompress the base64.. compress.put_EncodingMode(L"base64"); success = compress.DecompressBytesENC(compressedBase64,uncompressedBytes); binData2.AppendBinary(uncompressedBytes); // Show the uncompressed bytes in hex format: wprintf(L"%s\n",binData2.getEncoded(L"hex")); wprintf(L"--\n"); // Decompress the hex.. compress.put_EncodingMode(L"hex"); success = compress.DecompressBytesENC(compressedHex,uncompressedBytes); binData2.Clear(); binData2.AppendBinary(uncompressedBytes); // Show the uncompressed bytes in hex format: wprintf(L"%s\n",binData2.getEncoded(L"hex")); wprintf(L"--\n"); } |
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