1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#include <QtCharts/QBarSeries>
5#include <private/qbarseries_p.h>
6#include <private/barchartitem_p.h>
7#include <private/chartdataset_p.h>
8#include <private/charttheme_p.h>
9#include <QtCharts/QValueAxis>
10#include <QtCharts/QBarCategoryAxis>
11
12QT_BEGIN_NAMESPACE
13
14/*!
15 \class QBarSeries
16 \inmodule QtCharts
17 \brief The QBarSeries class presents a series of data as vertical bars grouped by category.
18
19 This class draws data as a series of vertical bars grouped by category, with one bar per
20 category from each bar set added to the series.
21
22 See the \l {Creating Bar Charts} {bar chart example} to learn how to create
23 a grouped bar chart.
24 \image examples_barchart.png
25
26 \sa QBarSet, QPercentBarSeries, QAbstractBarSeries, QStackedBarSeries
27*/
28/*!
29 \qmltype BarSeries
30 \nativetype QBarSeries
31 \inqmlmodule QtCharts
32
33 \inherits AbstractBarSeries
34
35 \brief Presents a series of data as vertical bars grouped by category.
36
37 The data is drawn as a series of vertical bars grouped by category, with one bar per
38 category from each bar set added to the series.
39
40 The following QML code snippet shows how to create a simple grouped bar
41 chart:
42 \snippet qmlchartsgallery/qml/BarSeries.qml 1
43 \image examples_qmlchart6.png
44*/
45
46/*!
47 Constructs an empty bar series that is a QObject and a child of \a parent.
48*/
49QBarSeries::QBarSeries(QObject *parent)
50 : QAbstractBarSeries(*new QBarSeriesPrivate(this), parent)
51{
52
53}
54
55/*!
56 Returns the bar series.
57*/
58QAbstractSeries::SeriesType QBarSeries::type() const
59{
60 return QAbstractSeries::SeriesTypeBar;
61}
62
63/*!
64 Removes the bar series from the chart.
65*/
66QBarSeries::~QBarSeries()
67{
68 Q_D(QBarSeries);
69 if (d->m_chart)
70 d->m_chart->removeSeries(series: this);
71}
72///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
73
74QBarSeriesPrivate::QBarSeriesPrivate(QBarSeries *q) : QAbstractBarSeriesPrivate(q)
75{
76
77}
78
79void QBarSeriesPrivate::initializeDomain()
80{
81 qreal minX(domain()->minX());
82 qreal minY(domain()->minY());
83 qreal maxX(domain()->maxX());
84 qreal maxY(domain()->maxY());
85
86 qreal x = categoryCount();
87 minX = qMin(a: minX, b: - (qreal)0.5);
88 minY = qMin(a: minY, b: min());
89 maxX = qMax(a: maxX, b: x - (qreal)0.5);
90 maxY = qMax(a: maxY, b: max());
91
92 domain()->setRange(minX, maxX, minY, maxY);
93}
94
95
96void QBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent)
97{
98 Q_Q(QBarSeries);
99 BarChartItem *bar = new BarChartItem(q,parent);
100 m_item.reset(p: bar);
101 QAbstractSeriesPrivate::initializeGraphics(parent);
102}
103
104QT_END_NAMESPACE
105
106#include "moc_qbarseries.cpp"
107

source code of qtcharts/src/charts/barchart/vertical/bar/qbarseries.cpp