blob: f6770e71805ad634f0cae1281633024013abf857 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Charts module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include "charts.h"
#include <QtCharts/QChart>
#include <QtCharts/QAreaSeries>
#include <QtCharts/QLineSeries>
class AreaChart: public Chart
{
public:
QString name() { return QObject::tr("AreaChart"); }
QString category() { return QObject::tr("XYSeries"); }
QString subCategory() { return QString::null; }
QChart *createChart(const DataTable &table)
{
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()));
} else {
upperSeries->append(QPointF(j, data.first.y()));
}
}
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)
|
