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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 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 the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QGRAPHICSITEMANIMATION_H
#define QGRAPHICSITEMANIMATION_H

#include <QtCore/qobject.h>

#if !defined(QT_NO_GRAPHICSVIEW)

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE


class QGraphicsItem;
class QMatrix;
class QPointF;
class QTimeLine;
template <class T1, class T2> struct QPair;

class QGraphicsItemAnimationPrivate;
class Q_WIDGETS_EXPORT QGraphicsItemAnimation : public QObject
{
    Q_OBJECT
public:
    QGraphicsItemAnimation(QObject *parent = 0);
    virtual ~QGraphicsItemAnimation();

    QGraphicsItem *item() const;
    void setItem(QGraphicsItem *item);

    QTimeLine *timeLine() const;
    void setTimeLine(QTimeLine *timeLine);

    QPointF posAt(qreal step) const;
    QList<QPair<qreal, QPointF> > posList() const;
    void setPosAt(qreal step, const QPointF &pos);

    QMatrix matrixAt(qreal step) const;

    qreal rotationAt(qreal step) const;
    QList<QPair<qreal, qreal> > rotationList() const;
    void setRotationAt(qreal step, qreal angle);

    qreal xTranslationAt(qreal step) const;
    qreal yTranslationAt(qreal step) const;
    QList<QPair<qreal, QPointF> > translationList() const;
    void setTranslationAt(qreal step, qreal dx, qreal dy);

    qreal verticalScaleAt(qreal step) const;
    qreal horizontalScaleAt(qreal step) const;
    QList<QPair<qreal, QPointF> > scaleList() const;
    void setScaleAt(qreal step, qreal sx, qreal sy);

    qreal verticalShearAt(qreal step) const;
    qreal horizontalShearAt(qreal step) const;
    QList<QPair<qreal, QPointF> > shearList() const;
    void setShearAt(qreal step, qreal sh, qreal sv);

    void clear();

public Q_SLOTS:
    void setStep(qreal x);
    void reset();

protected:
    virtual void beforeAnimationStep(qreal step);
    virtual void afterAnimationStep(qreal step);

private:
    Q_DISABLE_COPY(QGraphicsItemAnimation)
    QGraphicsItemAnimationPrivate *d;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_GRAPHICSVIEW
#endif