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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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#include "charts.h"
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#include <QtCharts/QChart>
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#include <QtCharts/QAreaSeries>
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#include <QtCharts/QLineSeries>
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class AreaChart: public Chart
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{
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public:
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QString name() { return QObject::tr("AreaChart"); }
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QString category() { return QObject::tr("XYSeries"); }
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QString subCategory() { return QString::null; }
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QChart *createChart(const DataTable &table)
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{
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QChart *chart = new QChart();
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chart->setTitle("Area chart");
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// The lower series initialized to zero values
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QLineSeries *lowerSeries = 0;
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QString name("Series ");
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int nameIndex = 0;
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for (int i(0); i < table.count(); i++) {
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QLineSeries *upperSeries = new QLineSeries(chart);
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for (int j(0); j < table[i].count(); j++) {
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Data data = table[i].at(j);
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if (lowerSeries) {
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const QList<QPointF>& points = lowerSeries->points();
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upperSeries->append(QPointF(j, points[i].y() + data.first.y()));
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} else {
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upperSeries->append(QPointF(j, data.first.y()));
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}
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}
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QAreaSeries *area = new QAreaSeries(upperSeries, lowerSeries);
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area->setName(name + QString::number(nameIndex));
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nameIndex++;
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chart->addSeries(area);
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chart->createDefaultAxes();
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lowerSeries = upperSeries;
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}
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return chart;
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}
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};
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DECLARE_CHART(AreaChart)
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