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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <private/baranimation_p.h>
#include <private/abstractbarchartitem_p.h>
Q_DECLARE_METATYPE(QList<QRectF>)
QT_BEGIN_NAMESPACE
BarAnimation::BarAnimation(AbstractBarChartItem *item, int duration, QEasingCurve &curve)
: ChartAnimation(item),
m_item(item)
{
setDuration(duration);
setEasingCurve(curve);
}
BarAnimation::~BarAnimation()
{
}
QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const
{
const QList<QRectF> startList = qvariant_cast<QList<QRectF>>(from);
const QList<QRectF> endList = qvariant_cast<QList<QRectF>>(to);
QList<QRectF> result;
Q_ASSERT(startList.count() == endList.count());
for (int i = 0; i < startList.count(); i++) {
const QRectF start = startList[i].normalized();
const QRectF end = endList[i].normalized();
const qreal x1 = start.left() + progress * (end.left() - start.left());
const qreal x2 = start.right() + progress * (end.right() - start.right());
const qreal y1 = start.top() + progress * (end.top() - start.top());
const qreal y2 = start.bottom() + progress * (end.bottom() - start.bottom());
QRectF value(QPointF(x1, y1), QPointF(x2, y2));
result << value.normalized();
}
return QVariant::fromValue(result);
}
void BarAnimation::updateCurrentValue(const QVariant &value)
{
if (state() != QAbstractAnimation::Stopped) { //workaround
const QList<QRectF> layout = qvariant_cast<QList<QRectF>>(value);
m_item->setLayout(layout);
}
}
void BarAnimation::setup(const QList<QRectF> &oldLayout, const QList<QRectF> &newLayout)
{
QVariantAnimation::KeyValues value;
setKeyValues(value); //workaround for wrong interpolation call
setKeyValueAt(0.0, QVariant::fromValue(oldLayout));
setKeyValueAt(1.0, QVariant::fromValue(newLayout));
}
QT_END_NAMESPACE
#include "moc_baranimation_p.cpp"
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