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