(Unicode C) PDF File Encoding to Base64

Demonstrates how to encode a PDF file to base64, and then decode.

Chilkat C/C++ Library Downloads
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#include <C_CkBinDataW.h>

void ChilkatSample(void)
    {
    HCkBinDataW pdfData;
    BOOL success;
    const wchar_t *b64;
    HCkBinDataW pdfData2;

    pdfData = CkBinDataW_Create();

    success = CkBinDataW_LoadFile(pdfData,L"qa_data/helloWorld.pdf");
    if (success != TRUE) {
        wprintf(L"failed to load PDF file.\n");
        CkBinDataW_Dispose(pdfData);
        return;
    }

    // Encode the PDF to base64
    // Note: to produce base64 on multiple lines (as it would appear in the MIME of an email),
    // pass the string "base64_mime" instead of "base64".
    b64 = CkBinDataW_getEncoded(pdfData,L"base64");
    wprintf(L"%s\n",b64);

    // Decode from base64 PDF.
    pdfData2 = CkBinDataW_Create();
    CkBinDataW_AppendEncoded(pdfData2,b64,L"base64");
    success = CkBinDataW_WriteFile(pdfData2,L"qa_output/helloWorld2.pdf");
    if (success != TRUE) {
        wprintf(L"failed to write PDF file.\n");
        CkBinDataW_Dispose(pdfData);
        CkBinDataW_Dispose(pdfData2);
        return;
    }



    CkBinDataW_Dispose(pdfData);
    CkBinDataW_Dispose(pdfData2);

    }