Method extractPages

YACReader/main_window_viewer.cpp:1115–1159

}

void MainWindowViewer::extractPages()
{
    const QString outputDir = QFileDialog::getExistingDirectory(this, tr("Extract page(s)"), pageExportDirectory(settings, EXTRACT_PAGE_DIRECTORY));
    if (outputDir.isEmpty())
        return;

    settings->setValue(EXTRACT_PAGE_DIRECTORY, outputDir);

    const QString baseName = comicBaseName(currentComicPath);
    const QList<int> pages = viewer->currentVisiblePages();
    QList<PageExtraction> pageExtractions;
    QStringList existingPaths;

    for (const int page : pages) {
        const QByteArray rawPage = viewer->rawPage(page);
        if (rawPage.isEmpty())
            continue;

        const QString path = QDir(outputDir).filePath(QString("%1-%2.%3").arg(baseName).arg(page + 1).arg(imageExtension(rawPage)));
        pageExtractions.append({ rawPage, path });
        if (QFileInfo::exists(path))
            existingPaths << path;
    }

    if (pageExtractions.isEmpty()) {
        QMessageBox::warning(this, tr("Extract page(s)"), tr("The current page could not be extracted."));
        return;
    }

    if (!existingPaths.isEmpty()) {
        const auto answer = QMessageBox::question(this, tr("Overwrite files?"), tr("Some files already exist. Do you want to overwrite them?"), QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
        if (answer != QMessageBox::Yes)
            return;
    }

    QStringList failedPaths;
    for (const auto &pageExtraction : pageExtractions) {
        QFile file(pageExtraction.outputPath);
        if (!file.open(QIODevice::WriteOnly) || file.write(pageExtraction.rawPage) != pageExtraction.rawPage.size())
            failedPaths << pageExtraction.outputPath;
    }

    if (!failedPaths.isEmpty())
        QMessageBox::warning(this, tr("Extract page(s)"), tr("Some pages could not be extracted."));
}

void MainWindowViewer::enableActions()
{