Unicode C
Unicode C
PDF File Encoding to Base64
See more Base64 Examples
Demonstrates how to encode a PDF file to base64, and then decode.Chilkat Unicode C Downloads
#include <C_CkBinDataW.h>
void ChilkatSample(void)
{
BOOL success;
HCkBinDataW pdfData;
const wchar_t *b64;
HCkBinDataW pdfData2;
success = FALSE;
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);
}