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extrafiltersplugin.h Example File
^{tools/plugandpaintplugins/extrafilters/extrafiltersplugin.h}

    /****************************************************************************
    **
    ** Copyright (C) 2005-2006 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation 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
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    ** review the following information:
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    #ifndef EXTRAFILTERSPLUGIN_H
    #define EXTRAFILTERSPLUGIN_H

    #include <QObject>
    #include <QStringList>
    #include <QImage>

    #include <plugandpaint/interfaces.h>

    class ExtraFiltersPlugin : public QObject, public FilterInterface
    {
        Q_OBJECT
        Q_INTERFACES(FilterInterface)

    public:
        QStringList filters() const;
        QImage filterImage(const QString &filter, const QImage &image,
                           QWidget *parent);
    };

    #endif