| /**************************************************************************** |
| ** |
| ** 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... |
| } |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #include "moc_pieanimation_p.cpp" |