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#include "axisanimationitem_p.h"
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#include <QPropertyAnimation>
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Q_DECLARE_METATYPE(QVector<qreal>)
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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const static int duration = 500;
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AxisAnimationItem::AxisAnimationItem(AxisType type,QGraphicsItem* parent) :
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AxisItem(type,parent)
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{
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}
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AxisAnimationItem::~AxisAnimationItem()
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{
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}
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void AxisAnimationItem::updateItems(QVector<qreal>& vector1)
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{
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QVector<qreal> vector0 = vector1;
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calculateLayout(vector1);
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if(vector1.count()==0) return;
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vector0.resize(vector1.size());
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AxisAnimator *animation = new AxisAnimator(this);
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animation->setDuration(duration);
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animation->setEasingCurve(QEasingCurve::InOutBack);
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animation->setKeyValueAt(0.0, qVariantFromValue(vector0));
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animation->setKeyValueAt(1.0, qVariantFromValue(vector1));
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animation->start(QAbstractAnimation::DeleteWhenStopped);
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}
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void AxisAnimationItem::setLabelsAngle(int angle)
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{
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AxisItem::setLabelsAngle(angle);
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}
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AxisAnimator::AxisAnimator(AxisItem *axis): m_axis(axis)
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{
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}
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AxisAnimator::~AxisAnimator()
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{
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}
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QVariant AxisAnimator::interpolated(const QVariant &start, const QVariant & end, qreal progress ) const
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{
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QVector<qreal> startVector = qVariantValue<QVector<qreal> >(start);
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QVector<qreal> endVecotr = qVariantValue<QVector<qreal> >(end);
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QVector<qreal> result;
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Q_ASSERT(startVector.count() == endVecotr.count());
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for(int i =0 ;i< startVector.count();i++){
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qreal value = startVector[i] + ((endVecotr[i]- startVector[i]) * progress);//qBound(0.0, progress, 1.0));
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result << value;
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}
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return qVariantFromValue(result);
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}
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void AxisAnimator::updateCurrentValue (const QVariant & value )
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{
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QVector<qreal> vector = qVariantValue<QVector<qreal> >(value);
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m_axis->applyLayout(vector);
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}
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#include "moc_axisanimationitem_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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