| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #include <private/candlestick_p.h> |
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| 5 | #include <private/candlestickanimation_p.h> |
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| 6 | #include <private/candlestickbodywicksanimation_p.h> |
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| 7 | |
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| 8 | |
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| 9 | QT_BEGIN_NAMESPACE |
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| 10 | |
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| 11 | CandlestickBodyWicksAnimation::CandlestickBodyWicksAnimation(Candlestick *candlestick, |
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| 12 | CandlestickAnimation *animation, |
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| 13 | int duration, QEasingCurve &curve) |
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| 14 | : ChartAnimation(candlestick), |
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| 15 | m_candlestick(candlestick), |
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| 16 | m_candlestickAnimation(animation), |
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| 17 | m_changeAnimation(false) |
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| 18 | { |
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| 19 | setDuration(duration); |
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| 20 | setEasingCurve(curve); |
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| 21 | } |
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| 22 | |
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| 23 | CandlestickBodyWicksAnimation::~CandlestickBodyWicksAnimation() |
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| 24 | { |
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| 25 | if (m_candlestickAnimation) |
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| 26 | m_candlestickAnimation->removeCandlestickAnimation(candlestick: m_candlestick); |
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| 27 | } |
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| 28 | |
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| 29 | void CandlestickBodyWicksAnimation::setup(const CandlestickData &startData, |
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| 30 | const CandlestickData &endData) |
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| 31 | { |
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| 32 | setKeyValueAt(step: 0.0, value: QVariant::fromValue(value: startData)); |
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| 33 | setKeyValueAt(step: 1.0, value: QVariant::fromValue(value: endData)); |
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| 34 | } |
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| 35 | |
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| 36 | void CandlestickBodyWicksAnimation::setStartData(const CandlestickData &startData) |
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| 37 | { |
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| 38 | if (state() != QAbstractAnimation::Stopped) |
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| 39 | stop(); |
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| 40 | |
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| 41 | setStartValue(QVariant::fromValue(value: startData)); |
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| 42 | } |
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| 43 | |
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| 44 | void CandlestickBodyWicksAnimation::setEndData(const CandlestickData &endData) |
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| 45 | { |
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| 46 | if (state() != QAbstractAnimation::Stopped) |
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| 47 | stop(); |
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| 48 | |
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| 49 | setEndValue(QVariant::fromValue(value: endData)); |
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| 50 | } |
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| 51 | |
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| 52 | void CandlestickBodyWicksAnimation::updateCurrentValue(const QVariant &value) |
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| 53 | { |
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| 54 | const CandlestickData data = qvariant_cast<CandlestickData>(v: value); |
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| 55 | m_candlestick->setLayout(data); |
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| 56 | } |
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| 57 | |
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| 58 | QVariant CandlestickBodyWicksAnimation::interpolated(const QVariant &from, const QVariant &to, |
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| 59 | qreal progress) const |
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| 60 | { |
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| 61 | CandlestickData startData = qvariant_cast<CandlestickData>(v: from); |
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| 62 | CandlestickData endData = qvariant_cast<CandlestickData>(v: to); |
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| 63 | CandlestickData result = endData; |
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| 64 | |
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| 65 | if (m_changeAnimation) { |
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| 66 | result.m_open = startData.m_open + progress * (endData.m_open - startData.m_open); |
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| 67 | result.m_high = startData.m_high + progress * (endData.m_high - startData.m_high); |
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| 68 | result.m_low = startData.m_low + progress * (endData.m_low - startData.m_low); |
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| 69 | result.m_close = startData.m_close + progress * (endData.m_close - startData.m_close); |
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| 70 | } else { |
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| 71 | const qreal median = (endData.m_open + endData.m_close) / 2; |
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| 72 | result.m_low = median + progress * (endData.m_low - median); |
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| 73 | result.m_close = median + progress * (endData.m_close - median); |
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| 74 | result.m_open = median + progress * (endData.m_open - median); |
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| 75 | result.m_high = median + progress * (endData.m_high - median); |
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| 76 | } |
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| 77 | |
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| 78 | return QVariant::fromValue(value: result); |
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| 79 | } |
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| 80 | |
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| 81 | QT_END_NAMESPACE |
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| 82 | |
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| 83 | #include "moc_candlestickbodywicksanimation_p.cpp" |
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| 84 | |
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