| 1 | #include <QtCore/QDebug> |
|---|---|
| 2 | #include <QtCore/QDir> |
| 3 | #include <QtCore/QElapsedTimer> |
| 4 | #include <QtWidgets/QApplication> |
| 5 | #include <QtGui/QImage> |
| 6 | |
| 7 | #include <iostream> |
| 8 | |
| 9 | #include <poppler-qt6.h> |
| 10 | |
| 11 | int main(int argc, char **argv) |
| 12 | { |
| 13 | QApplication a(argc, argv); // QApplication required! |
| 14 | |
| 15 | QElapsedTimer t; |
| 16 | t.start(); |
| 17 | |
| 18 | QDir directory(argv[1]); |
| 19 | foreach (const QString &fileName, directory.entryList()) { |
| 20 | if (fileName.endsWith(QStringLiteral("pdf"))) { |
| 21 | qDebug() << "Doing"<< fileName.toLatin1().data() << ":"; |
| 22 | std::unique_ptr<Poppler::Document> doc = Poppler::Document::load(filePath: directory.canonicalPath() + "/"+ fileName); |
| 23 | if (!doc) { |
| 24 | qWarning() << "doc not loaded"; |
| 25 | } else if (doc->isLocked()) { |
| 26 | if (!doc->unlock(ownerPassword: "", userPassword: "password")) { |
| 27 | qWarning() << "couldn't unlock document"; |
| 28 | } |
| 29 | } else { |
| 30 | auto pdfVersion = doc->getPdfVersion(); |
| 31 | Q_UNUSED(pdfVersion); |
| 32 | doc->info(QStringLiteral("Title")); |
| 33 | doc->info(QStringLiteral("Subject")); |
| 34 | doc->info(QStringLiteral("Author")); |
| 35 | doc->info(QStringLiteral("Keywords")); |
| 36 | doc->info(QStringLiteral("Creator")); |
| 37 | doc->info(QStringLiteral("Producer")); |
| 38 | doc->date(QStringLiteral("CreationDate")).toString(); |
| 39 | doc->date(QStringLiteral("ModDate")).toString(); |
| 40 | doc->numPages(); |
| 41 | doc->isLinearized(); |
| 42 | doc->isEncrypted(); |
| 43 | doc->okToPrint(); |
| 44 | doc->okToCopy(); |
| 45 | doc->okToChange(); |
| 46 | doc->okToAddNotes(); |
| 47 | doc->pageMode(); |
| 48 | |
| 49 | for (int index = 0; index < doc->numPages(); ++index) { |
| 50 | std::unique_ptr<Poppler::Page> page = doc->page(index); |
| 51 | page->renderToImage(); |
| 52 | page->pageSize(); |
| 53 | page->orientation(); |
| 54 | std::cout << "."; |
| 55 | std::cout.flush(); |
| 56 | } |
| 57 | std::cout << std::endl; |
| 58 | } |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | std::cout << "Elapsed time: "<< (t.elapsed() / 1000) << "seconds"<< std::endl; |
| 63 | } |
| 64 |