axisanimationitem.cpp
70 lines
| 1.8 KiB
| text/x-c
|
CppLexer
/ src / axisanimationitem.cpp
Michal Klocek
|
r291 | #include "axisanimationitem_p.h" | ||
#include <QPropertyAnimation> | ||||
Q_DECLARE_METATYPE(QVector<qreal>) | ||||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
const static int duration = 500; | ||||
AxisAnimationItem::AxisAnimationItem(AxisType type,QGraphicsItem* parent) : | ||||
AxisItem(type,parent) | ||||
{ | ||||
} | ||||
AxisAnimationItem::~AxisAnimationItem() | ||||
{ | ||||
} | ||||
void AxisAnimationItem::updateItems(QVector<qreal>& vector1) | ||||
{ | ||||
QVector<qreal> vector0 = vector1; | ||||
calculateLayout(vector1); | ||||
if(vector1.count()==0) return; | ||||
vector0.resize(vector1.size()); | ||||
AxisAnimator *animation = new AxisAnimator(this); | ||||
animation->setDuration(duration); | ||||
animation->setEasingCurve(QEasingCurve::InOutBack); | ||||
animation->setKeyValueAt(0.0, qVariantFromValue(vector0)); | ||||
animation->setKeyValueAt(1.0, qVariantFromValue(vector1)); | ||||
animation->start(QAbstractAnimation::DeleteWhenStopped); | ||||
} | ||||
void AxisAnimationItem::setLabelsAngle(int angle) | ||||
{ | ||||
AxisItem::setLabelsAngle(angle); | ||||
} | ||||
AxisAnimator::AxisAnimator(AxisItem *axis): m_axis(axis) | ||||
{ | ||||
} | ||||
AxisAnimator::~AxisAnimator() | ||||
{ | ||||
} | ||||
QVariant AxisAnimator::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 AxisAnimator::updateCurrentValue (const QVariant & value ) | ||||
{ | ||||
QVector<qreal> vector = qVariantValue<QVector<qreal> >(value); | ||||
m_axis->applyLayout(vector); | ||||
} | ||||
#include "moc_axisanimationitem_p.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||