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29 | |
30 | #include <QtCharts/QStackedBarSeries> |
31 | #include <private/qstackedbarseries_p.h> |
32 | #include <private/stackedbarchartitem_p.h> |
33 | #include <private/chartdataset_p.h> |
34 | #include <private/charttheme_p.h> |
35 | #include <QtCharts/QValueAxis> |
36 | |
37 | QT_CHARTS_BEGIN_NAMESPACE |
38 | |
39 | /*! |
40 | \class QStackedBarSeries |
41 | \inmodule QtCharts |
42 | \brief The QStackedBarSeries class presents a series of data as vertically stacked bars, |
43 | with one bar per category. |
44 | |
45 | Each bar set added to the series contributes a single segment to each stacked bar. |
46 | |
47 | See the \l {StackedbarChart Example} {stacked bar chart example} to learn how to create a stacked bar chart. |
48 | \image examples_stackedbarchart.png |
49 | |
50 | \sa QBarSet, QPercentBarSeries, QAbstractBarSeries |
51 | */ |
52 | |
53 | /*! |
54 | \qmltype StackedBarSeries |
55 | \instantiates QStackedBarSeries |
56 | \inqmlmodule QtCharts |
57 | |
58 | \inherits AbstractBarSeries |
59 | |
60 | \brief Presents a series of data as vertically stacked bars, with one bar per category. |
61 | |
62 | Each bar set added to the series contributes a single segment to each stacked bar. |
63 | |
64 | The following QML shows how to create a simple stacked bar chart: |
65 | \snippet qmlchart/qml/qmlchart/View7.qml 1 |
66 | \beginfloatleft |
67 | \image examples_qmlchart7.png |
68 | \endfloat |
69 | \clearfloat |
70 | */ |
71 | |
72 | /*! |
73 | Constructs an empty bar series that is a QObject and a child of \a parent. |
74 | */ |
75 | QStackedBarSeries::QStackedBarSeries(QObject *parent) |
76 | : QAbstractBarSeries(*new QStackedBarSeriesPrivate(this), parent) |
77 | { |
78 | } |
79 | |
80 | /*! |
81 | Removes the bar series from the chart. |
82 | */ |
83 | QStackedBarSeries::~QStackedBarSeries() |
84 | { |
85 | Q_D(QStackedBarSeries); |
86 | if (d->m_chart) |
87 | d->m_chart->removeSeries(series: this); |
88 | } |
89 | /*! |
90 | Returns the stacked bar series. |
91 | */ |
92 | QAbstractSeries::SeriesType QStackedBarSeries::type() const |
93 | { |
94 | return QAbstractSeries::SeriesTypeStackedBar; |
95 | } |
96 | |
97 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
98 | |
99 | QStackedBarSeriesPrivate::QStackedBarSeriesPrivate(QStackedBarSeries *q) : QAbstractBarSeriesPrivate(q) |
100 | { |
101 | |
102 | } |
103 | |
104 | void QStackedBarSeriesPrivate::initializeDomain() |
105 | { |
106 | qreal minX(domain()->minX()); |
107 | qreal minY(domain()->minY()); |
108 | qreal maxX(domain()->maxX()); |
109 | qreal maxY(domain()->maxY()); |
110 | |
111 | qreal x = categoryCount(); |
112 | minX = qMin(a: minX, b: - (qreal)0.5); |
113 | minY = qMin(a: minY, b: bottom()); |
114 | maxX = qMax(a: maxX, b: x - (qreal)0.5); |
115 | maxY = qMax(a: maxY, b: top()); |
116 | |
117 | domain()->setRange(minX, maxX, minY, maxY); |
118 | } |
119 | |
120 | void QStackedBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent) |
121 | { |
122 | Q_Q(QStackedBarSeries); |
123 | StackedBarChartItem *bar = new StackedBarChartItem(q,parent); |
124 | m_item.reset(other: bar); |
125 | QAbstractSeriesPrivate::initializeGraphics(parent); |
126 | } |
127 | |
128 | QT_CHARTS_END_NAMESPACE |
129 | |
130 | #include "moc_qstackedbarseries.cpp" |
131 | |