| 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/baranimation_p.h> |
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| 5 | #include <private/abstractbarchartitem_p.h> |
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| 6 | |
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| 7 | |
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| 8 | QT_BEGIN_NAMESPACE |
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| 9 | |
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| 10 | BarAnimation::BarAnimation(AbstractBarChartItem *item, int duration, QEasingCurve &curve) |
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| 11 | : ChartAnimation(item), |
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| 12 | m_item(item) |
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| 13 | { |
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| 14 | setDuration(duration); |
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| 15 | setEasingCurve(curve); |
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| 16 | } |
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| 17 | |
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| 18 | BarAnimation::~BarAnimation() |
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| 19 | { |
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| 20 | } |
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| 21 | |
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| 22 | QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const |
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| 23 | { |
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| 24 | const QList<QRectF> startList = qvariant_cast<QList<QRectF>>(v: from); |
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| 25 | const QList<QRectF> endList = qvariant_cast<QList<QRectF>>(v: to); |
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| 26 | QList<QRectF> result; |
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| 27 | |
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| 28 | Q_ASSERT(startList.size() == endList.size()); |
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| 29 | |
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| 30 | for (int i = 0; i < startList.size(); i++) { |
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| 31 | const QRectF start = startList[i].normalized(); |
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| 32 | const QRectF end = endList[i].normalized(); |
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| 33 | const qreal x1 = start.left() + progress * (end.left() - start.left()); |
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| 34 | const qreal x2 = start.right() + progress * (end.right() - start.right()); |
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| 35 | const qreal y1 = start.top() + progress * (end.top() - start.top()); |
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| 36 | const qreal y2 = start.bottom() + progress * (end.bottom() - start.bottom()); |
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| 37 | |
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| 38 | QRectF value(QPointF(x1, y1), QPointF(x2, y2)); |
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| 39 | result << value.normalized(); |
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| 40 | } |
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| 41 | return QVariant::fromValue(value: result); |
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| 42 | } |
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| 43 | |
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| 44 | void BarAnimation::updateCurrentValue(const QVariant &value) |
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| 45 | { |
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| 46 | if (state() != QAbstractAnimation::Stopped) { //workaround |
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| 47 | |
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| 48 | const QList<QRectF> layout = qvariant_cast<QList<QRectF>>(v: value); |
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| 49 | m_item->setLayout(layout); |
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| 50 | } |
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| 51 | } |
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| 52 | |
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| 53 | void BarAnimation::setup(const QList<QRectF> &oldLayout, const QList<QRectF> &newLayout) |
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| 54 | { |
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| 55 | QVariantAnimation::KeyValues value; |
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| 56 | setKeyValues(value); //workaround for wrong interpolation call |
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| 57 | setKeyValueAt(step: 0.0, value: QVariant::fromValue(value: oldLayout)); |
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| 58 | setKeyValueAt(step: 1.0, value: QVariant::fromValue(value: newLayout)); |
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| 59 | } |
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| 60 | |
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| 61 | QT_END_NAMESPACE |
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| 62 | |
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| 63 | #include "moc_baranimation_p.cpp" |
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| 64 | |
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