1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#include <QtCharts/QStackedBarSeries>
5#include <private/qstackedbarseries_p.h>
6#include <private/stackedbarchartitem_p.h>
7#include <private/chartdataset_p.h>
8#include <private/charttheme_p.h>
9#include <QtCharts/QValueAxis>
10
11QT_BEGIN_NAMESPACE
12
13/*!
14 \class QStackedBarSeries
15 \inmodule QtCharts
16 \brief The QStackedBarSeries class presents a series of data as vertically stacked bars,
17 with one bar per category.
18
19 Each bar set added to the series contributes a single segment to each stacked bar.
20
21 See the \l {Charts with Widgets Gallery} to learn how to create a stacked bar chart.
22 \image examples_stackedbarchart.png
23
24 \sa QBarSet, QPercentBarSeries, QAbstractBarSeries
25*/
26
27/*!
28 \qmltype StackedBarSeries
29 \instantiates QStackedBarSeries
30 \inqmlmodule QtCharts
31
32 \inherits AbstractBarSeries
33
34 \brief Presents a series of data as vertically stacked bars, with one bar per category.
35
36 Each bar set added to the series contributes a single segment to each stacked bar.
37
38 The following QML shows how to create a simple stacked bar chart:
39 \snippet qmlchartsgallery/qml/BarSeriesStacked.qml 1
40 \beginfloatleft
41 \image examples_qmlchart7.png
42 \endfloat
43 \clearfloat
44*/
45
46/*!
47 Constructs an empty bar series that is a QObject and a child of \a parent.
48*/
49QStackedBarSeries::QStackedBarSeries(QObject *parent)
50 : QAbstractBarSeries(*new QStackedBarSeriesPrivate(this), parent)
51{
52}
53
54/*!
55 Removes the bar series from the chart.
56*/
57QStackedBarSeries::~QStackedBarSeries()
58{
59 Q_D(QStackedBarSeries);
60 if (d->m_chart)
61 d->m_chart->removeSeries(series: this);
62}
63/*!
64 Returns the stacked bar series.
65*/
66QAbstractSeries::SeriesType QStackedBarSeries::type() const
67{
68 return QAbstractSeries::SeriesTypeStackedBar;
69}
70
71///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
72
73QStackedBarSeriesPrivate::QStackedBarSeriesPrivate(QStackedBarSeries *q) : QAbstractBarSeriesPrivate(q)
74{
75
76}
77
78void QStackedBarSeriesPrivate::initializeDomain()
79{
80 qreal minX(domain()->minX());
81 qreal minY(domain()->minY());
82 qreal maxX(domain()->maxX());
83 qreal maxY(domain()->maxY());
84
85 qreal x = categoryCount();
86 minX = qMin(a: minX, b: - (qreal)0.5);
87 minY = qMin(a: minY, b: bottom());
88 maxX = qMax(a: maxX, b: x - (qreal)0.5);
89 maxY = qMax(a: maxY, b: top());
90
91 domain()->setRange(minX, maxX, minY, maxY);
92}
93
94void QStackedBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent)
95{
96 Q_Q(QStackedBarSeries);
97 StackedBarChartItem *bar = new StackedBarChartItem(q,parent);
98 m_item.reset(p: bar);
99 QAbstractSeriesPrivate::initializeGraphics(parent);
100}
101
102QT_END_NAMESPACE
103
104#include "moc_qstackedbarseries.cpp"
105

source code of qtcharts/src/charts/barchart/vertical/stacked/qstackedbarseries.cpp