katie/src/plugins/imageformats/gif/qgifplugin.cpp

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2019 Ivailo Monev
**
** This file is part of the plugins of the Katie Toolkit.
**
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#include "qimageiohandler.h"
#include "qstringlist.h"

#ifndef QT_NO_IMAGEFORMATPLUGIN

#ifdef QT_NO_IMAGEFORMAT_GIF
#undef QT_NO_IMAGEFORMAT_GIF
#endif
#include "qgifhandler_p.h"

QT_BEGIN_NAMESPACE

class QGifPlugin : public QImageIOPlugin
{
public:
    QGifPlugin();
    ~QGifPlugin();

    QStringList keys() const;
    Capabilities capabilities(QIODevice *device, const QByteArray &format) const;
    QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const;
};

QGifPlugin::QGifPlugin()
{
}

QGifPlugin::~QGifPlugin()
{
}

QStringList QGifPlugin::keys() const
{
    return QStringList() << QLatin1String("gif");
}

QImageIOPlugin::Capabilities QGifPlugin::capabilities(QIODevice *device, const QByteArray &format) const
{
    if (format == "gif" || (device && device->isReadable() && QGifHandler::canRead(device)))
        return Capabilities(CanRead);
    return 0;
}

QImageIOHandler *QGifPlugin::create(QIODevice *device, const QByteArray &format) const
{
    QImageIOHandler *handler = new QGifHandler;
    handler->setDevice(device);
    handler->setFormat(format);
    return handler;
}

Q_EXPORT_STATIC_PLUGIN(QGifPlugin)
Q_EXPORT_PLUGIN2(qgif, QGifPlugin)

#endif // QT_NO_IMAGEFORMATPLUGIN

QT_END_NAMESPACE