areachart.cpp
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r2854 | /**************************************************************************** | ||
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r1753 | ** | ||
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r2854 | ** Copyright (C) 2016 The Qt Company Ltd. | ||
** Contact: https://www.qt.io/licensing/ | ||||
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r1753 | ** | ||
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r2854 | ** This file is part of the Qt Charts module of the Qt Toolkit. | ||
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r1753 | ** | ||
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r2854 | ** $QT_BEGIN_LICENSE:GPL$ | ||
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r2845 | ** 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 | ||||
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r2854 | ** 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. | ||||
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r1753 | ** | ||
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r2845 | ** $QT_END_LICENSE$ | ||
** | ||||
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r2854 | ****************************************************************************/ | ||
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r1753 | |||
#include "charts.h" | ||||
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r2714 | #include <QtCharts/QChart> | ||
#include <QtCharts/QAreaSeries> | ||||
#include <QtCharts/QLineSeries> | ||||
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r1753 | |||
class AreaChart: public Chart | ||||
{ | ||||
public: | ||||
QString name() { return QObject::tr("AreaChart"); } | ||||
QString category() { return QObject::tr("XYSeries"); } | ||||
QString subCategory() { return QString::null; } | ||||
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r2099 | QChart *createChart(const DataTable &table) | ||
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r1753 | { | ||
QChart *chart = new QChart(); | ||||
chart->setTitle("Area chart"); | ||||
// The lower series initialized to zero values | ||||
QLineSeries *lowerSeries = 0; | ||||
QString name("Series "); | ||||
int nameIndex = 0; | ||||
for (int i(0); i < table.count(); i++) { | ||||
QLineSeries *upperSeries = new QLineSeries(chart); | ||||
for (int j(0); j < table[i].count(); j++) { | ||||
Data data = table[i].at(j); | ||||
if (lowerSeries) { | ||||
const QList<QPointF>& points = lowerSeries->points(); | ||||
upperSeries->append(QPointF(j, points[i].y() + data.first.y())); | ||||
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r2099 | } else { | ||
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r1753 | upperSeries->append(QPointF(j, data.first.y())); | ||
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r2099 | } | ||
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r1753 | } | ||
QAreaSeries *area = new QAreaSeries(upperSeries, lowerSeries); | ||||
area->setName(name + QString::number(nameIndex)); | ||||
nameIndex++; | ||||
chart->addSeries(area); | ||||
chart->createDefaultAxes(); | ||||
lowerSeries = upperSeries; | ||||
} | ||||
return chart; | ||||
} | ||||
}; | ||||
DECLARE_CHART(AreaChart) | ||||