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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/candlestick_p.h>
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#include <private/candlestickanimation_p.h>
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#include <private/candlestickbodywicksanimation_p.h>
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Q_DECLARE_METATYPE(QVector<QRectF>)
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Q_DECLARE_METATYPE(QT_CHARTS_NAMESPACE::CandlestickData)
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Q_DECLARE_METATYPE(qreal)
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QT_CHARTS_BEGIN_NAMESPACE
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CandlestickBodyWicksAnimation::CandlestickBodyWicksAnimation(Candlestick *candlestick,
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CandlestickAnimation *animation,
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int duration, QEasingCurve &curve)
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: ChartAnimation(candlestick),
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m_candlestick(candlestick),
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m_candlestickAnimation(animation),
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m_changeAnimation(false)
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{
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setDuration(duration);
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setEasingCurve(curve);
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}
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CandlestickBodyWicksAnimation::~CandlestickBodyWicksAnimation()
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{
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if (m_candlestickAnimation)
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m_candlestickAnimation->removeCandlestickAnimation(m_candlestick);
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}
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void CandlestickBodyWicksAnimation::setup(const CandlestickData &startData,
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const CandlestickData &endData)
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{
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setKeyValueAt(0.0, qVariantFromValue(startData));
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setKeyValueAt(1.0, qVariantFromValue(endData));
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}
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void CandlestickBodyWicksAnimation::setStartData(const CandlestickData &startData)
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{
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if (state() != QAbstractAnimation::Stopped)
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stop();
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setStartValue(qVariantFromValue(startData));
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}
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void CandlestickBodyWicksAnimation::setEndData(const CandlestickData &endData)
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{
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if (state() != QAbstractAnimation::Stopped)
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stop();
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setEndValue(qVariantFromValue(endData));
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}
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void CandlestickBodyWicksAnimation::updateCurrentValue(const QVariant &value)
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{
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CandlestickData data = qvariant_cast<CandlestickData>(value);
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m_candlestick->setLayout(data);
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}
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QVariant CandlestickBodyWicksAnimation::interpolated(const QVariant &from, const QVariant &to,
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qreal progress) const
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{
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CandlestickData startData = qvariant_cast<CandlestickData>(from);
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CandlestickData endData = qvariant_cast<CandlestickData>(to);
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CandlestickData result = endData;
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if (m_changeAnimation) {
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result.m_open = startData.m_open + progress * (endData.m_open - startData.m_open);
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result.m_high = startData.m_high + progress * (endData.m_high - startData.m_high);
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result.m_low = startData.m_low + progress * (endData.m_low - startData.m_low);
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result.m_close = startData.m_close + progress * (endData.m_close - startData.m_close);
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} else {
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const qreal median = (endData.m_open + endData.m_close) / 2;
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result.m_low = median + progress * (endData.m_low - median);
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result.m_close = median + progress * (endData.m_close - median);
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result.m_open = median + progress * (endData.m_open - median);
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result.m_high = median + progress * (endData.m_high - median);
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}
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return qVariantFromValue(result);
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}
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#include "moc_candlestickbodywicksanimation_p.cpp"
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QT_CHARTS_END_NAMESPACE
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