baranimation.cpp
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| text/x-c
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r671 | #include "baranimation_p.h" | ||
#include "barchartitem_p.h" | ||||
#include <QParallelAnimationGroup> | ||||
#include <QTimer> | ||||
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r681 | Q_DECLARE_METATYPE(QVector<QRectF>) | ||
//Q_DECLARE_METATYPE(BarLayout) // TODO? | ||||
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r671 | |||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
BarAnimation::BarAnimation(BarChartItem *item) | ||||
:ChartAnimation(item), | ||||
m_item(item) | ||||
{ | ||||
} | ||||
BarAnimation::~BarAnimation() | ||||
{ | ||||
} | ||||
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r681 | void BarAnimation::updateValues(const QVector<QRectF>& layout) | ||
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r671 | { | ||
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r681 | // TODO?: | ||
// qDebug() << "BarAnimation::updateValues" << layout.count(); | ||||
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r671 | } | ||
QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const | ||||
{ | ||||
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r681 | QVector<QRectF> startVector = qVariantValue<QVector<QRectF> > (from); | ||
QVector<QRectF> endVector = qVariantValue<QVector<QRectF> > (to); | ||||
QVector<QRectF> result; | ||||
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r671 | |||
Q_ASSERT(startVector.count() == endVector.count()) ; | ||||
for(int i =0 ;i< startVector.count();i++){ | ||||
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r681 | //QRectF value = startVector[i] + ((endVector[i] - startVector[i]) * progress); | ||
QPointF topLeft = startVector[i].topLeft() + ((endVector[i].topLeft() - startVector[i].topLeft()) * progress); | ||||
QSizeF size = startVector[i].size() + ((endVector[i].size() - startVector[i].size()) * progress); | ||||
QRectF value(topLeft,size); | ||||
result << value; | ||||
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r671 | } | ||
return qVariantFromValue(result); | ||||
} | ||||
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r681 | void BarAnimation::updateCurrentValue(const QVariant &value) | ||
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r671 | { | ||
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r681 | QVector<QRectF> layout = qVariantValue<QVector<QRectF> >(value); | ||
m_item->setLayout(layout); | ||||
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r671 | } | ||
#include "moc_baranimation_p.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||