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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#include <private/pieanimation_p.h>
#include <private/piesliceanimation_p.h>
#include <private/piechartitem_p.h>
QT_CHARTS_BEGIN_NAMESPACE
PieAnimation::PieAnimation(PieChartItem *item)
: ChartAnimation(item),
m_item(item)
{
}
PieAnimation::~PieAnimation()
{
}
ChartAnimation *PieAnimation::updateValue(PieSliceItem *sliceItem, const PieSliceData &sliceData)
{
PieSliceAnimation *animation = m_animations.value(sliceItem);
if (!animation) {
animation = new PieSliceAnimation(sliceItem);
m_animations.insert(sliceItem, animation);
} else {
animation->stop();
}
animation->updateValue(sliceData);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
return animation;
}
ChartAnimation *PieAnimation::addSlice(PieSliceItem *sliceItem, const PieSliceData &sliceData, bool startupAnimation)
{
PieSliceAnimation *animation = new PieSliceAnimation(sliceItem);
m_animations.insert(sliceItem, animation);
PieSliceData startValue = sliceData;
startValue.m_radius = 0;
if (startupAnimation)
startValue.m_startAngle = 0;
else
startValue.m_startAngle = sliceData.m_startAngle + (sliceData.m_angleSpan / 2);
startValue.m_angleSpan = 0;
if (sliceData.m_holeRadius > 0)
startValue.m_radius = sliceData.m_holeRadius;
animation->setValue(startValue, sliceData);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
return animation;
}
ChartAnimation *PieAnimation::removeSlice(PieSliceItem *sliceItem)
{
PieSliceAnimation *animation = m_animations.value(sliceItem);
Q_ASSERT(animation);
animation->stop();
PieSliceData endValue = animation->currentSliceValue();
if (endValue.m_holeRadius > 0)
endValue.m_radius = endValue.m_holeRadius;
else
endValue.m_radius = 0;
endValue.m_startAngle = endValue.m_startAngle + endValue.m_angleSpan;
endValue.m_angleSpan = 0;
endValue.m_isLabelVisible = false;
animation->updateValue(endValue);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
// PieSliceItem is the parent of PieSliceAnimation so the animation will be deleted as well..
connect(animation, SIGNAL(finished()), sliceItem, SLOT(deleteLater()));
m_animations.remove(sliceItem);
return animation;
}
void PieAnimation::updateCurrentValue(const QVariant &)
{
// nothing to do...
}
#include "moc_pieanimation_p.cpp"
QT_CHARTS_END_NAMESPACE
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