|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2012 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.digia.com
|
|
|
**
|
|
|
** This file is part of the Qt Commercial Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
** a written agreement between you and Digia.
|
|
|
**
|
|
|
** If you have questions regarding the use of this file, please use
|
|
|
** contact form at http://qt.digia.com
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include "baranimation_p.h"
|
|
|
#include "abstractbarchartitem_p.h"
|
|
|
|
|
|
Q_DECLARE_METATYPE(QVector<QRectF>)
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
BarAnimation::BarAnimation(AbstractBarChartItem *item)
|
|
|
: ChartAnimation(item),
|
|
|
m_item(item)
|
|
|
{
|
|
|
setDuration(ChartAnimationDuration);
|
|
|
setEasingCurve(QEasingCurve::OutQuart);
|
|
|
}
|
|
|
|
|
|
BarAnimation::~BarAnimation()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
QVariant BarAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const
|
|
|
{
|
|
|
QVector<QRectF> startVector = qvariant_cast<QVector<QRectF> >(from);
|
|
|
QVector<QRectF> endVector = qvariant_cast<QVector<QRectF> >(to);
|
|
|
QVector<QRectF> result;
|
|
|
|
|
|
Q_ASSERT(startVector.count() == endVector.count());
|
|
|
|
|
|
for (int i = 0; i < startVector.count(); i++) {
|
|
|
QRectF start = startVector[i].normalized();
|
|
|
QRectF end = endVector[i].normalized();
|
|
|
qreal x1 = start.left() + progress * (end.left() - start.left());
|
|
|
qreal x2 = start.right() + progress * (end.right() - start.right());
|
|
|
qreal y1 = start.top() + progress * (end.top() - start.top());
|
|
|
qreal y2 = start.bottom() + progress * (end.bottom() - start.bottom());
|
|
|
|
|
|
QRectF value(QPointF(x1, y1), QPointF(x2, y2));
|
|
|
result << value.normalized();
|
|
|
}
|
|
|
return qVariantFromValue(result);
|
|
|
}
|
|
|
|
|
|
void BarAnimation::updateCurrentValue(const QVariant &value)
|
|
|
{
|
|
|
if (state() != QAbstractAnimation::Stopped) { //workaround
|
|
|
|
|
|
QVector<QRectF> layout = qvariant_cast<QVector<QRectF> >(value);
|
|
|
m_item->setLayout(layout);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void BarAnimation::setup(const QVector<QRectF> &oldLayout, const QVector<QRectF> &newLayout)
|
|
|
{
|
|
|
QVariantAnimation::KeyValues value;
|
|
|
setKeyValues(value); //workaround for wrong interpolation call
|
|
|
setKeyValueAt(0.0, qVariantFromValue(oldLayout));
|
|
|
setKeyValueAt(1.0, qVariantFromValue(newLayout));
|
|
|
}
|
|
|
|
|
|
#include "moc_baranimation_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
|
|
|
