main.cpp

来自「qt-x11-opensource-src-4.1.4.tar.gz源码」· C++ 代码 · 共 77 行

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the plugins of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include <qimageiohandler.h>
#include <qstringlist.h>

#ifndef QT_NO_IMAGEFORMATPLUGIN

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

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() << "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