poppler-24.05.0/qt6/tests/poppler-texts.cpp

#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>

#include <iostream>

#include <poppler-qt6.h>

int main(int argc, char **argv)
{
    QCoreApplication a(argc, argv); // QApplication required!

    if (!(argc == 2)) {
        qWarning() << "usage: poppler-texts filename";
        exit(1);
    }

    std::unique_ptr<Poppler::Document> doc = Poppler::Document::load(argv[1]);
    if (!doc) {
        qWarning() << "doc not loaded";
        exit(1);
    }

    for (int i = 0; i < doc->numPages(); i++) {
        int j = 0;
        std::cout << "*** Page " << i << std::endl;
        std::cout << std::flush;

        std::unique_ptr<Poppler::Page> page = doc->page(i);
        const QByteArray utf8str = page->text(QRectF(), Poppler::Page::RawOrderLayout).toUtf8();
        std::cout << std::flush;
        for (j = 0; j < utf8str.size(); j++) {
            std::cout << utf8str[j];
        }
        std::cout << std::endl;
    }
}