/*
 *  Copyright (c) 2018 Boudewijn Rempt <boud@valdyas.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "kis_gif_import.h"

#include <QCheckBox>
#include <QBuffer>
#include <QSlider>
#include <QApplication>

#include <kpluginfactory.h>
#include <QFileInfo>

#include <KoColorSpace.h>
#include <KoColorSpaceRegistry.h>

#include <kis_transaction.h>
#include <kis_paint_device.h>
#include <kis_image.h>
#include <kis_paint_layer.h>
#include <kis_node.h>
#include <kis_group_layer.h>
#include <KisDocument.h>

#include "qgiflibhandler.h"

K_PLUGIN_FACTORY_WITH_JSON(KisGIFImportFactory, "krita_gif_import.json", registerPlugin<KisGIFImport>();)

KisGIFImport::KisGIFImport(QObject *parent, const QVariantList &)
    : KisImportExportFilter(parent)
{
}

KisGIFImport::~KisGIFImport()
{
}

KisImportExportFilter::ConversionStatus KisGIFImport::convert(KisDocument *document, QIODevice *io,  KisPropertiesConfigurationSP configuration)
{
    Q_UNUSED(configuration);

    QImage img;
    bool result = false;
    QGIFLibHandler handler;
    handler.setDevice(io);

    if (handler.canRead()) {
        result = handler.read(&img);
    }

    if (result == false) {
        return KisImportExportFilter::CreationError;
    }

    const KoColorSpace *colorSpace = KoColorSpaceRegistry::instance()->rgb8();
    KisImageSP image = new KisImage(document->createUndoStore(), img.width(), img.height(), colorSpace, "imported from gif");

    KisPaintLayerSP layer = new KisPaintLayer(image, image->nextLayerName(), 255);
    layer->paintDevice()->convertFromQImage(img, 0, 0, 0);
    image->addNode(layer.data(), image->rootLayer().data());

    document->setCurrentImage(image);
    return KisImportExportFilter::OK;

}

#include "kis_gif_import.moc"

