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qgraphicsitemanimation.h

/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the QtGui module 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 sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef QGRAPHICSITEMANIMATION_H
#define QGRAPHICSITEMANIMATION_H

#include <QtCore/qobject.h>

#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW

QT_BEGIN_HEADER

QT_MODULE(Gui)

class QGraphicsItem;
class QMatrix;
class QPointF;
class QTimeLine;

class QGraphicsItemAnimationPrivate;
00041 class Q_GUI_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;
    void setPosAt(qreal step, const QPointF &pos);

    QMatrix matrixAt(qreal step) const;

    qreal rotationAt(qreal step) const;
    void setRotationAt(qreal step, qreal angle);

    qreal xTranslationAt(qreal step) const;
    qreal yTranslationAt(qreal step) const;
    void setTranslationAt(qreal step, qreal dx, qreal dy);

    qreal verticalScaleAt(qreal step) const;
    qreal horizontalScaleAt(qreal step) const;
    void setScaleAt(qreal step, qreal sx, qreal sy);

    qreal verticalShearAt(qreal step) const;
    qreal horizontalShearAt(qreal step) 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_HEADER

#endif // QT_NO_GRAPHICSVIEW
#endif

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