axisanimationitem.cpp
74 lines
| 1.9 KiB
| text/x-c
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CppLexer
/ src / axisanimationitem.cpp
Michal Klocek
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r291 | #include "axisanimationitem_p.h" | ||
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Michal Klocek
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r393 | #include <QTimer> | ||
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r291 | |||
| Q_DECLARE_METATYPE(QVector<qreal>) | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| const static int duration = 500; | ||||
| AxisAnimationItem::AxisAnimationItem(AxisType type,QGraphicsItem* parent) : | ||||
|
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r393 | AxisItem(type,parent), | ||
| m_animation(new AxisAnimator(this,this)) | ||||
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Michal Klocek
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r291 | { | ||
| } | ||||
| AxisAnimationItem::~AxisAnimationItem() | ||||
| { | ||||
| } | ||||
|
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r393 | void AxisAnimationItem::updateItems(QVector<qreal>& oldLayout,QVector<qreal>& newLayout) | ||
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Michal Klocek
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r291 | { | ||
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Michal Klocek
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r393 | if(newLayout.count()==0) return; | ||
| oldLayout.resize(newLayout.size()); | ||||
| if(m_animation->state()!=QAbstractAnimation::Stopped){ | ||||
| m_animation->stop(); | ||||
| } | ||||
| m_animation->setDuration(duration); | ||||
| m_animation->setEasingCurve(QEasingCurve::InOutBack); | ||||
| m_animation->setKeyValueAt(0.0, qVariantFromValue(oldLayout)); | ||||
| m_animation->setKeyValueAt(1.0, qVariantFromValue(newLayout)); | ||||
| QTimer::singleShot(0,m_animation,SLOT(start())); | ||||
| oldLayout = newLayout; | ||||
|
Michal Klocek
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r291 | } | ||
| void AxisAnimationItem::setLabelsAngle(int angle) | ||||
| { | ||||
| AxisItem::setLabelsAngle(angle); | ||||
| } | ||||
|
Michal Klocek
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r303 | AxisAnimator::AxisAnimator(AxisItem *axis,QObject *parent): QVariantAnimation(parent), | ||
| m_axis(axis) | ||||
|
Michal Klocek
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r291 | { | ||
| } | ||||
| 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 | ||||