/*

    SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-KDE-Accepted-GPL

    SPDX-FileCopyrightText: 2020 Stefan Brüns <stefan.bruens@rwth-aachen.de>

*/

#include "djvucreator.h"

#include "thumbnail-djvu-logsettings.h"

#include <QImage>

#include <QProcess>

#include <QString>

#include <KPluginFactory>

K_PLUGIN_CLASS_WITH_JSON(DjVuCreator, "djvuthumbnail.json")

Unexecuted instantiation: djvuthumbnail_factory::tr(char const*, char const*, int)

Unexecuted instantiation: djvuthumbnail_factory::~djvuthumbnail_factory()

DjVuCreator::DjVuCreator(QObject *parent, const QVariantList &args)

    : KIO::ThumbnailCreator(parent, args)

{

}

KIO::ThumbnailResult DjVuCreator::create(const KIO::ThumbnailRequest &request)

{

    QProcess ddjvu;

    const QStringList args{QStringLiteral("-page=1"),

                           QStringLiteral("-size=") + QString::number(request.targetSize().width()) + QChar('x')

                               + QString::number(request.targetSize().height()),

                           QStringLiteral("-format=ppm"),

                           request.url().toLocalFile()};

    ddjvu.start(QStringLiteral("ddjvu"), args);

    ddjvu.waitForFinished();

    static bool warnOnce = true;

    if (ddjvu.exitCode() != 0) {

        if (warnOnce) {

            qCWarning(KIO_THUMBNAIL_DJVU_LOG) << ddjvu.error() << ddjvu.readAllStandardError();

            warnOnce = false;

        }

        return KIO::ThumbnailResult::fail();

    }

    QImage img;

    bool okay = img.load(&ddjvu, "ppm");

    return okay ? KIO::ThumbnailResult::pass(img) : KIO::ThumbnailResult::fail();

}

#include "djvucreator.moc"

#include "moc_djvucreator.cpp"