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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <private/pieanimation_p.h>
#include <private/piesliceanimation_p.h>
#include <private/piechartitem_p.h>
QT_CHARTS_BEGIN_NAMESPACE
PieAnimation::PieAnimation(PieChartItem *item, int duration, QEasingCurve &curve)
: ChartAnimation(item),
m_item(item),
m_animationDuration(duration),
m_animationCurve(curve)
{
Q_UNUSED(m_item);
}
PieAnimation::~PieAnimation()
{
}
ChartAnimation *PieAnimation::updateValue(PieSliceItem *sliceItem, const PieSliceData &sliceData)
{
PieSliceAnimation *animation = m_animations.value(sliceItem);
if (!animation) {
animation = new PieSliceAnimation(sliceItem);
animation->setDuration(m_animationDuration);
animation->setEasingCurve(m_animationCurve);
m_animations.insert(sliceItem, animation);
} else {
animation->stop();
}
animation->updateValue(sliceData);
return animation;
}
ChartAnimation *PieAnimation::addSlice(PieSliceItem *sliceItem, const PieSliceData &sliceData, bool startupAnimation)
{
PieSliceAnimation *animation = new PieSliceAnimation(sliceItem);
animation->setDuration(m_animationDuration);
animation->setEasingCurve(m_animationCurve);
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);
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);
// 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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