(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_CkBinData.h>

void ChilkatSample(void)
    {
    HCkBinData pdfData;
    BOOL success;
    const char *b64;
    HCkBinData pdfData2;

    pdfData = CkBinData_Create();

    success = CkBinData_LoadFile(pdfData,"qa_data/helloWorld.pdf");
    if (success != TRUE) {
        printf("failed to load PDF file.\n");
        CkBinData_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 = CkBinData_getEncoded(pdfData,"base64");
    printf("%s\n",b64);

    // Decode from base64 PDF.
    pdfData2 = CkBinData_Create();
    CkBinData_AppendEncoded(pdfData2,b64,"base64");
    success = CkBinData_WriteFile(pdfData2,"qa_output/helloWorld2.pdf");
    if (success != TRUE) {
        printf("failed to write PDF file.\n");
        CkBinData_Dispose(pdfData);
        CkBinData_Dispose(pdfData2);
        return;
    }



    CkBinData_Dispose(pdfData);
    CkBinData_Dispose(pdfData2);

    }