|
|
/******************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
|
** Contact: http://www.qt.io/licensing/
|
|
|
**
|
|
|
** This file is part of the Qt Charts module.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE:COMM$
|
|
|
**
|
|
|
** Commercial License Usage
|
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
|
** accordance with the commercial license agreement provided with the
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
|
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
|
** information use the contact form at http://www.qt.io/contact-us.
|
|
|
**
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
******************************************************************************/
|
|
|
|
|
|
// W A R N I N G
|
|
|
// -------------
|
|
|
//
|
|
|
// This file is not part of the Qt Chart API. It exists purely as an
|
|
|
// implementation detail. This header file may change from version to
|
|
|
// version without notice, or even be removed.
|
|
|
//
|
|
|
// We mean it.
|
|
|
|
|
|
#ifndef SPLINEANIMATION_P_H
|
|
|
#define SPLINEANIMATION_P_H
|
|
|
#include <private/xyanimation_p.h>
|
|
|
#include <QtCore/QPointF>
|
|
|
|
|
|
typedef QPair<QVector<QPointF >, QVector<QPointF > > SplineVector;
|
|
|
|
|
|
QT_CHARTS_BEGIN_NAMESPACE
|
|
|
|
|
|
class SplineChartItem;
|
|
|
|
|
|
class SplineAnimation : public XYAnimation
|
|
|
{
|
|
|
public:
|
|
|
SplineAnimation(SplineChartItem *item, int duration, QEasingCurve &curve);
|
|
|
~SplineAnimation();
|
|
|
void setup(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints, QVector<QPointF> &oldContorlPoints, QVector<QPointF> &newControlPoints, int index = -1);
|
|
|
|
|
|
protected:
|
|
|
QVariant interpolated(const QVariant &start, const QVariant &end, qreal progress) const;
|
|
|
void updateCurrentValue(const QVariant &value);
|
|
|
void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
|
|
|
|
|
|
private:
|
|
|
SplineVector m_oldSpline;
|
|
|
SplineVector m_newSpline;
|
|
|
SplineChartItem *m_item;
|
|
|
bool m_valid;
|
|
|
};
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
|
|
#endif
|
|
|
|
