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axisanimation.cpp
45 lines | 1.1 KiB | text/x-c | CppLexer
#include "axisanimation_p.h"
#include <QTimer>
Q_DECLARE_METATYPE(QVector<qreal>)
QTCOMMERCIALCHART_BEGIN_NAMESPACE
AxisAnimation::AxisAnimation(AxisItem *axis): ChartAnimation(axis),
m_axis(axis)
{
}
AxisAnimation::~AxisAnimation()
{
}
QVariant AxisAnimation::interpolated(const QVariant &start, const QVariant & end, qreal progress ) const
{
QVector<qreal> startVector = qVariantValue<QVector<qreal> >(start);
QVector<qreal> endVecotr = qVariantValue<QVector<qreal> >(end);
QVector<qreal> result;
Q_ASSERT(startVector.count() == endVecotr.count()) ;
for(int i =0 ;i< startVector.count();i++){
qreal value = startVector[i] + ((endVecotr[i]- startVector[i]) * progress);//qBound(0.0, progress, 1.0));
result << value;
}
return qVariantFromValue(result);
}
void AxisAnimation::updateCurrentValue (const QVariant & value )
{
if(state()!=QAbstractAnimation::Stopped)//workaround
{
QVector<qreal> vector = qVariantValue<QVector<qreal> >(value);
Q_ASSERT(vector.count()!=0);
m_axis->setLayout(vector);
}
}
QTCOMMERCIALCHART_END_NAMESPACE