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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <private/pieanimation_p.h>
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#include <private/piesliceanimation_p.h>
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#include <private/piechartitem_p.h>
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QT_CHARTS_BEGIN_NAMESPACE
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PieAnimation::PieAnimation(PieChartItem *item, int duration, QEasingCurve &curve)
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: ChartAnimation(item),
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m_item(item),
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m_animationDuration(duration),
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m_animationCurve(curve)
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{
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}
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PieAnimation::~PieAnimation()
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{
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}
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ChartAnimation *PieAnimation::updateValue(PieSliceItem *sliceItem, const PieSliceData &sliceData)
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{
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PieSliceAnimation *animation = m_animations.value(sliceItem);
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if (!animation) {
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animation = new PieSliceAnimation(sliceItem);
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animation->setDuration(m_animationDuration);
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animation->setEasingCurve(m_animationCurve);
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m_animations.insert(sliceItem, animation);
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} else {
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animation->stop();
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}
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animation->updateValue(sliceData);
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return animation;
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}
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ChartAnimation *PieAnimation::addSlice(PieSliceItem *sliceItem, const PieSliceData &sliceData, bool startupAnimation)
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{
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PieSliceAnimation *animation = new PieSliceAnimation(sliceItem);
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animation->setDuration(m_animationDuration);
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animation->setEasingCurve(m_animationCurve);
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m_animations.insert(sliceItem, animation);
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PieSliceData startValue = sliceData;
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startValue.m_radius = 0;
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if (startupAnimation)
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startValue.m_startAngle = 0;
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else
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startValue.m_startAngle = sliceData.m_startAngle + (sliceData.m_angleSpan / 2);
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startValue.m_angleSpan = 0;
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if (sliceData.m_holeRadius > 0)
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startValue.m_radius = sliceData.m_holeRadius;
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animation->setValue(startValue, sliceData);
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return animation;
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}
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ChartAnimation *PieAnimation::removeSlice(PieSliceItem *sliceItem)
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{
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PieSliceAnimation *animation = m_animations.value(sliceItem);
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Q_ASSERT(animation);
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animation->stop();
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PieSliceData endValue = animation->currentSliceValue();
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if (endValue.m_holeRadius > 0)
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endValue.m_radius = endValue.m_holeRadius;
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else
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endValue.m_radius = 0;
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endValue.m_startAngle = endValue.m_startAngle + endValue.m_angleSpan;
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endValue.m_angleSpan = 0;
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endValue.m_isLabelVisible = false;
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animation->updateValue(endValue);
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// PieSliceItem is the parent of PieSliceAnimation so the animation will be deleted as well..
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connect(animation, SIGNAL(finished()), sliceItem, SLOT(deleteLater()));
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m_animations.remove(sliceItem);
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return animation;
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}
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void PieAnimation::updateCurrentValue(const QVariant &)
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{
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// nothing to do...
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}
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#include "moc_pieanimation_p.cpp"
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QT_CHARTS_END_NAMESPACE
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