/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QICONENGINE_H+
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#define QICONENGINE_H+
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+
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#include <QtCore/qglobal.h>+
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#include <QtCore/qlist.h>+
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#include <QtGui/qicon.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Gui)+
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+
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class Q_GUI_EXPORT QIconEngine+
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{+
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public:+
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    virtual ~QIconEngine();+
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    virtual void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state) = 0;+
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    virtual QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state);+
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    virtual QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state);+
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+
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    virtual void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state);+
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    virtual void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state);+
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+
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#if 0+
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    virtual int frameCount(QIcon::Mode fromMode, QIcon::State fromState, QIcon::Mode toMode, QIcon::State toState);+
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    virtual void paintFrame(QPainter *painter, const QRect &rect, int frameNumber, QIcon::Mode fromMode, QIcon::State fromState, QIcon::Mode toMode, QIcon::State toState);+
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#endif+
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};+
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+
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// ### Qt 5: move the below into QIconEngine+
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class Q_GUI_EXPORT QIconEngineV2 : public QIconEngine+
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{+
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public:+
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    virtual QString key() const;+
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    virtual QIconEngineV2 *clone() const;+
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    virtual bool read(QDataStream &in);+
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    virtual bool write(QDataStream &out) const;+
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    virtual void virtual_hook(int id, void *data);+
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+
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public:+
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    enum IconEngineHook { AvailableSizesHook = 1 };+
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+
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    struct AvailableSizesArgument+
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    {+
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        QIcon::Mode mode;+
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        QIcon::State state;+
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        QList<QSize> sizes;+
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    };+
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+
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    // ### Qt 5: make this function const and virtual.+
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    QList<QSize> availableSizes(QIcon::Mode mode = QIcon::Normal,+
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                                QIcon::State state = QIcon::Off);+
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};+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QICONENGINE_H+
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