#include <QDebug>
#include <QFile>
#include <QScopedPointer>

#include <poppler-qt4.h>

bool save(Poppler::Document* d, const QString& n)
{
    QScopedPointer< Poppler::PDFConverter > c(d->pdfConverter());

    c->setOutputFileName(n);
    c->setPDFOptions(c->pdfOptions() | Poppler::PDFConverter::WithChanges);

    return c->convert();
}

int main(int argc, char** argv)
{
    if(argc != 2)
        return 1;

    Poppler::Document* d = Poppler::Document::load(argv[1]);

    if(d == 0)
        return 2;

    qDebug() << "save:" << 1;
    bool ok = save(d, "file1.pdf");

    delete d;

    if(!ok)
        return 3;

    qDebug() << "size:" << QFile("file1.pdf").size() / 1024;

    for(int i = 1; i < 10; ++i)
    {
        Poppler::Document* d = Poppler::Document::load(QString("file%1.pdf").arg(i));

        if(d == 0)
            return 4;

        qDebug() << "save:" << i;
        bool ok = save(d, QString("file%1.pdf").arg(i+1));

        delete d;

        if(!ok)
            return 5;

        qDebug() << "size:" << QFile(QString("file%1.pdf").arg(i+1)).size() / 1024;
    }
    
    return 0;
}