qgraphicsitemanimation.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QGRAPHICSITEMANIMATION_H
#define QGRAPHICSITEMANIMATION_H
 
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtCore/qobject.h>
 
QT_REQUIRE_CONFIG(graphicsview);
 
QT_BEGIN_NAMESPACE
 
class QGraphicsItem;
class QPointF;
class QTimeLine;
class QTransform;
 
class QGraphicsItemAnimationPrivate;
class Q_WIDGETS_EXPORT QGraphicsItemAnimation : public QObject
{
    Q_OBJECT
public:
    QGraphicsItemAnimation(QObject *parent = nullptr);
    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);
 
    QTransform transformAt(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);
 
protected:
    virtual void beforeAnimationStep(qreal step);
    virtual void afterAnimationStep(qreal step);
 
private:
    Q_DISABLE_COPY(QGraphicsItemAnimation)
    QGraphicsItemAnimationPrivate *d;
};
 
QT_END_NAMESPACE
 
#endif