|
|
#include "baranimation_p.h"
|
|
|
#include "barchartitem_p.h"
|
|
|
#include <QParallelAnimationGroup>
|
|
|
#include <QTimer>
|
|
|
|
|
|
Q_DECLARE_METATYPE(QVector<QRectF>)
|
|
|
//Q_DECLARE_METATYPE(BarLayout) // TODO?
|
|
|
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
BarAnimation::BarAnimation(BarChartItem *item)
|
|
|
:ChartAnimation(item),
|
|
|
m_item(item)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
BarAnimation::~BarAnimation()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const
|
|
|
{
|
|
|
QVector<QRectF> startVector = qVariantValue<QVector<QRectF> > (from);
|
|
|
QVector<QRectF> endVector = qVariantValue<QVector<QRectF> > (to);
|
|
|
QVector<QRectF> result;
|
|
|
|
|
|
Q_ASSERT(startVector.count() == endVector.count()) ;
|
|
|
|
|
|
for(int i =0 ;i< startVector.count();i++){
|
|
|
qreal w = endVector[i].width();
|
|
|
qreal h = startVector[i].height() + ((endVector[i].height() - startVector[i].height()) * progress);
|
|
|
qreal x = endVector[i].topLeft().x();
|
|
|
qreal y = endVector[i].topLeft().y() + endVector[i].height() - h;
|
|
|
|
|
|
QPointF topLeft(x,y);
|
|
|
QSizeF size(w,h);
|
|
|
QRectF value(topLeft,size);
|
|
|
result << value;
|
|
|
}
|
|
|
return qVariantFromValue(result);
|
|
|
}
|
|
|
|
|
|
void BarAnimation::updateCurrentValue(const QVariant &value)
|
|
|
{
|
|
|
QVector<QRectF> layout = qVariantValue<QVector<QRectF> >(value);
|
|
|
m_item->setLayout(layout);
|
|
|
}
|
|
|
|
|
|
#include "moc_baranimation_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
