##// 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>

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r2896:facc2941efbf
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candlestickdatareader.cpp
77 lines | 2.4 KiB | text/x-c | CppLexer
/****************************************************************************
**
** 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 "candlestickdatareader.h"
CandlestickDataReader::CandlestickDataReader(QIODevice *device)
: QTextStream(device)
{
}
CandlestickDataReader::~CandlestickDataReader()
{
}
void CandlestickDataReader::readFile(QIODevice *device)
{
QTextStream::setDevice(device);
}
QCandlestickSet *CandlestickDataReader::readCandlestickSet()
{
//! [1]
QString line = readLine();
if (line.startsWith("#") || line.isEmpty())
return 0;
//! [1]
//! [2]
QStringList strList = line.split(" ", QString::SkipEmptyParts);
if (strList.count() != 5)
return 0;
//! [2]
//! [3]
const qreal timestamp = strList.at(0).toDouble();
const qreal open = strList.at(1).toDouble();
const qreal high = strList.at(2).toDouble();
const qreal low = strList.at(3).toDouble();
const qreal close = strList.at(4).toDouble();
//! [3]
//! [4]
QCandlestickSet *candlestickSet = new QCandlestickSet(timestamp);
candlestickSet->setOpen(open);
candlestickSet->setHigh(high);
candlestickSet->setLow(low);
candlestickSet->setClose(close);
//! [4]
return candlestickSet;
}