| 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 | Q_UNUSED(argc); |
| 16 | Q_UNUSED(argv); |
| 17 | |
| 18 | QElapsedTimer t; |
| 19 | t.start(); |
| 20 | QDir dbDir(QStringLiteral("./pdfdb")); |
| 21 | if (!dbDir.exists()) { |
| 22 | qWarning() << "Database directory does not exist"; |
| 23 | } |
| 24 | |
| 25 | QStringList excludeSubDirs; |
| 26 | excludeSubDirs << QStringLiteral("000048") << QStringLiteral( "000607"); |
| 27 | |
| 28 | const QStringList dirs = dbDir.entryList(nameFilters: QStringList() << QStringLiteral("0000*"), filters: QDir::Dirs); |
| 29 | foreach (const QString &subdir, dirs) { |
| 30 | if (excludeSubDirs.contains(str: subdir)) { |
| 31 | // then skip it |
| 32 | } else { |
| 33 | QString path = "./pdfdb/"+ subdir + "/data.pdf"; |
| 34 | std::cout << "Doing "<< path.toLatin1().data() << " :"; |
| 35 | std::unique_ptr<Poppler::Document> doc = Poppler::Document::load(filePath: path); |
| 36 | if (!doc) { |
| 37 | qWarning() << "doc not loaded"; |
| 38 | } else { |
| 39 | auto pdfVersion = doc->getPdfVersion(); |
| 40 | Q_UNUSED(pdfVersion); |
| 41 | doc->info(QStringLiteral("Title")); |
| 42 | doc->info(QStringLiteral("Subject")); |
| 43 | doc->info(QStringLiteral("Author")); |
| 44 | doc->info(QStringLiteral("Keywords")); |
| 45 | doc->info(QStringLiteral("Creator")); |
| 46 | doc->info(QStringLiteral("Producer")); |
| 47 | doc->date(QStringLiteral("CreationDate")).toString(); |
| 48 | doc->date(QStringLiteral("ModDate")).toString(); |
| 49 | doc->numPages(); |
| 50 | doc->isLinearized(); |
| 51 | doc->isEncrypted(); |
| 52 | doc->okToPrint(); |
| 53 | doc->okToCopy(); |
| 54 | doc->okToChange(); |
| 55 | doc->okToAddNotes(); |
| 56 | doc->pageMode(); |
| 57 | |
| 58 | for (int index = 0; index < doc->numPages(); ++index) { |
| 59 | std::unique_ptr<Poppler::Page> page = doc->page(index); |
| 60 | page->renderToImage(); |
| 61 | page->pageSize(); |
| 62 | page->orientation(); |
| 63 | std::cout << "."; |
| 64 | std::cout.flush(); |
| 65 | } |
| 66 | std::cout << std::endl; |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | std::cout << "Elapsed time: "<< (t.elapsed() / 1000) << std::endl; |
| 72 | } |
| 73 |