##// END OF EJS Templates
Added candlestick chart type...
Added candlestick chart type - added QCandlestickSeries - added QCandlestickSet - added QCandlestickLegendMarker - added model mappers - added Candlestick, CandlestickChartItem, CandlestickData - added SeriesTypeCandlestick to SeriesType enum - added LegendMarkerTypeCandlestick to LegendMarkerType enum - added candlestick chart example - added QML candlestick chart example - added candlestick tester - added autotests - added documentation [ChangeLog][CandlestickChart] Added new chart type: Candlestick Chart. Task-number: QTBUG-50544 Change-Id: I17d18dfa23e0ea209bf51ab1e349585b9cb50a8f Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

File last commit:

r2854:46147b040d06
r2896:facc2941efbf
Show More
boxwhiskersanimation.cpp
121 lines | 4.6 KiB | text/x-c | CppLexer
/ src / charts / animations / boxwhiskersanimation.cpp
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <private/boxwhiskersanimation_p.h>
#include <private/boxplotanimation_p.h>
#include <private/boxplotchartitem_p.h>
#include <private/boxwhiskersdata_p.h>
Q_DECLARE_METATYPE(QVector<QRectF>)
Q_DECLARE_METATYPE(QT_CHARTS_NAMESPACE::BoxWhiskersData)
Q_DECLARE_METATYPE(qreal)
QT_CHARTS_BEGIN_NAMESPACE
BoxWhiskersAnimation::BoxWhiskersAnimation(BoxWhiskers *box, BoxPlotAnimation *boxPlotAnimation,
int duration, QEasingCurve &curve)
: ChartAnimation(box),
m_box(box),
m_changeAnimation(false),
m_boxPlotAnimation(boxPlotAnimation)
{
setDuration(duration);
setEasingCurve(curve);
}
BoxWhiskersAnimation::~BoxWhiskersAnimation()
{
if (m_boxPlotAnimation)
m_boxPlotAnimation->removeBoxAnimation(m_box);
}
QVariant BoxWhiskersAnimation::interpolated(const QVariant &from, const QVariant &to, qreal progress) const
{
BoxWhiskersData startData = qvariant_cast<BoxWhiskersData>(from);
BoxWhiskersData endData = qvariant_cast<BoxWhiskersData>(to);
BoxWhiskersData result;
if (m_changeAnimation) {
result.m_lowerExtreme = startData.m_lowerExtreme + progress * (endData.m_lowerExtreme - startData.m_lowerExtreme);
result.m_lowerQuartile = startData.m_lowerQuartile + progress * (endData.m_lowerQuartile - startData.m_lowerQuartile);
result.m_median = startData.m_median + progress * (endData.m_median - startData.m_median);
result.m_upperQuartile = startData.m_upperQuartile + progress * (endData.m_upperQuartile - startData.m_upperQuartile);
result.m_upperExtreme = startData.m_upperExtreme + progress * (endData.m_upperExtreme - startData.m_upperExtreme);
} else {
result.m_lowerExtreme = endData.m_median + progress * (endData.m_lowerExtreme - endData.m_median);
result.m_lowerQuartile = endData.m_median + progress * (endData.m_lowerQuartile - endData.m_median);
result.m_median = endData.m_median;
result.m_upperQuartile = endData.m_median + progress * (endData.m_upperQuartile - endData.m_median);
result.m_upperExtreme = endData.m_median + progress * (endData.m_upperExtreme - endData.m_median);
}
result.m_index = endData.m_index;
result.m_boxItems = endData.m_boxItems;
result.m_maxX = endData.m_maxX;
result.m_minX = endData.m_minX;
result.m_maxY = endData.m_maxY;
result.m_minY = endData.m_minY;
result.m_seriesIndex = endData.m_seriesIndex;
result.m_seriesCount = endData.m_seriesCount;
return qVariantFromValue(result);
}
void BoxWhiskersAnimation::updateCurrentValue(const QVariant &value)
{
BoxWhiskersData data = qvariant_cast<BoxWhiskersData>(value);
m_box->setLayout(data);
}
void BoxWhiskersAnimation::setup(const BoxWhiskersData &startData, const BoxWhiskersData &endData)
{
setKeyValueAt(0.0, qVariantFromValue(startData));
setKeyValueAt(1.0, qVariantFromValue(endData));
}
void BoxWhiskersAnimation::setEndData(const BoxWhiskersData &endData)
{
if (state() != QAbstractAnimation::Stopped)
stop();
setEndValue(qVariantFromValue(endData));
}
void BoxWhiskersAnimation::setStartData(const BoxWhiskersData &endData)
{
if (state() != QAbstractAnimation::Stopped)
stop();
setStartValue(qVariantFromValue(endData));
}
#include "moc_boxwhiskersanimation_p.cpp"
QT_CHARTS_END_NAMESPACE