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Diffstat (limited to 'src/charts/animations/splineanimation_p.h')
-rw-r--r-- | src/charts/animations/splineanimation_p.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/charts/animations/splineanimation_p.h b/src/charts/animations/splineanimation_p.h new file mode 100644 index 00000000..ad9120ed --- /dev/null +++ b/src/charts/animations/splineanimation_p.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the Qt Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// W A R N I N G +// ------------- +// +// This file is not part of the Qt Enterprise 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 "xyanimation_p.h" +#include <QPointF> + +typedef QPair<QVector<QPointF >, QVector<QPointF > > SplineVector; + +QT_CHARTS_BEGIN_NAMESPACE + +class SplineChartItem; + +class SplineAnimation : public XYAnimation +{ +public: + SplineAnimation(SplineChartItem *item); + ~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 |