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//
// This is a stand-alone example of splitting a PDF into individual pages. It does essentially the
// same thing that qpdf --split-pages does.
//
#include <qpdf/QIntC.hh>
#include <qpdf/QPDF.hh>
#include <qpdf/QPDFPageDocumentHelper.hh>
#include <qpdf/QPDFWriter.hh>
#include <qpdf/QUtil.hh>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
static bool static_id = false;
static void
process(char const* whoami, char const* infile, std::string outprefix)
{
QPDF inpdf;
inpdf.processFile(infile);
std::vector<QPDFPageObjectHelper> pages = QPDFPageDocumentHelper(inpdf).getAllPages();
int pageno_len = QIntC::to_int(std::to_string(pages.size()).length());
int pageno = 0;
for (auto& page: pages) {
std::string outfile = outprefix + QUtil::int_to_string(++pageno, pageno_len) + ".pdf";
QPDF outpdf;
outpdf.emptyPDF();
QPDFPageDocumentHelper(outpdf).addPage(page, false);
QPDFWriter outpdfw(outpdf, outfile.c_str());
if (static_id) {
// For the test suite, uncompress streams and use static IDs.
outpdfw.setStaticID(true); // for testing only
outpdfw.setStreamDataMode(qpdf_s_uncompress);
}
outpdfw.write();
}
}
void
usage(char const* whoami)
{
std::cerr << "Usage: " << whoami << " infile outprefix" << std::endl;
exit(2);
}
int
main(int argc, char* argv[])
{
char const* whoami = QUtil::getWhoami(argv[0]);
// For test suite
if ((argc > 1) && (strcmp(argv[1], " --static-id") == 0)) {
static_id = true;
--argc;
++argv;
}
if (argc != 3) {
usage(whoami);
}
try {
process(whoami, argv[1], argv[2]);
} catch (std::exception const& e) {
std::cerr << whoami << ": exception: " << e.what() << std::endl;
return 2;
}
return 0;
}
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