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Fixes missing intlization in chartanimator
Fixes missing intlization in chartanimator

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r669:e937078a314e
r720:605f266f80f8
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piesliceanimation.cpp
107 lines | 3.4 KiB | text/x-c | CppLexer
#include "piesliceanimation_p.h"
#include "piechartitem_p.h"
#include "qpieslice.h"
Q_DECLARE_METATYPE(QtCommercialChart::PieSliceData)
QTCOMMERCIALCHART_BEGIN_NAMESPACE
qreal linearPos(qreal start, qreal end, qreal pos)
{
return start + ((end - start) * pos);
}
QPointF linearPos(QPointF start, QPointF end, qreal pos)
{
qreal x = linearPos(start.x(), end.x(), pos);
qreal y = linearPos(start.y(), end.y(), pos);
return QPointF(x, y);
}
QPen linearPos(QPen start, QPen end, qreal pos)
{
QColor c;
c.setRedF(linearPos(start.color().redF(), end.color().redF(), pos));
c.setGreenF(linearPos(start.color().greenF(), end.color().greenF(), pos));
c.setBlueF(linearPos(start.color().blueF(), end.color().blueF(), pos));
end.setColor(c);
return end;
}
QBrush linearPos(QBrush start, QBrush end, qreal pos)
{
QColor c;
c.setRedF(linearPos(start.color().redF(), end.color().redF(), pos));
c.setGreenF(linearPos(start.color().greenF(), end.color().greenF(), pos));
c.setBlueF(linearPos(start.color().blueF(), end.color().blueF(), pos));
end.setColor(c);
return end;
}
PieSliceAnimation::PieSliceAnimation(PieChartItem *item, QPieSlice *slice)
:QVariantAnimation(item),
m_item(item),
m_slice(slice)
{
}
PieSliceAnimation::~PieSliceAnimation()
{
}
void PieSliceAnimation::setValue(const PieSliceData &startValue, const PieSliceData &endValue)
{
if (state() != QAbstractAnimation::Stopped)
stop();
m_currentValue = startValue;
setKeyValueAt(0.0, qVariantFromValue(startValue));
setKeyValueAt(1.0, qVariantFromValue(endValue));
}
void PieSliceAnimation::updateValue(const PieSliceData &endValue)
{
if (state() != QAbstractAnimation::Stopped)
stop();
setKeyValueAt(0.0, qVariantFromValue(m_currentValue));
setKeyValueAt(1.0, qVariantFromValue(endValue));
}
PieSliceData PieSliceAnimation::currentSliceValue()
{
// NOTE:
// We must use an internal current value because QVariantAnimation::currentValue() is updated
// before the animation is actually started. So if we get 2 updateValue() calls in a row the currentValue()
// will have the end value set from the first call and the second call will interpolate that instead of
// the original current value as it was before the first call.
return m_currentValue;
}
QVariant PieSliceAnimation::interpolated(const QVariant &start, const QVariant &end, qreal progress) const
{
PieSliceData startValue = qVariantValue<PieSliceData>(start);
PieSliceData endValue = qVariantValue<PieSliceData>(end);
PieSliceData result;
result = endValue;
result.m_center = linearPos(startValue.m_center, endValue.m_center, progress);
result.m_radius = linearPos(startValue.m_radius, endValue.m_radius, progress);
result.m_startAngle = linearPos(startValue.m_startAngle, endValue.m_startAngle, progress);
result.m_angleSpan = linearPos(startValue.m_angleSpan, endValue.m_angleSpan, progress);
result.m_slicePen = linearPos(startValue.m_slicePen, endValue.m_slicePen, progress);
result.m_sliceBrush = linearPos(startValue.m_sliceBrush, endValue.m_sliceBrush, progress);
return qVariantFromValue(result);
}
void PieSliceAnimation::updateCurrentValue(const QVariant &value)
{
if (state() != QAbstractAnimation::Stopped) { //workaround
m_currentValue = qVariantValue<PieSliceData>(value);
m_item->setLayout(m_slice, m_currentValue);
}
}
QTCOMMERCIALCHART_END_NAMESPACE