qbarseries.cpp
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Titta Heikkala
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r2845 | /****************************************************************************** | ||
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r1167 | ** | ||
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r2845 | ** Copyright (C) 2015 The Qt Company Ltd. | ||
| ** Contact: http://www.qt.io/licensing/ | ||||
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r1167 | ** | ||
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r2740 | ** This file is part of the Qt Charts module. | ||
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r1167 | ** | ||
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r2845 | ** $QT_BEGIN_LICENSE:COMM$ | ||
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r1167 | ** | ||
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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 | ||||
| ** and conditions see http://www.qt.io/terms-conditions. For further | ||||
| ** information use the contact form at http://www.qt.io/contact-us. | ||||
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r1167 | ** | ||
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r2845 | ** $QT_END_LICENSE$ | ||
| ** | ||||
| ******************************************************************************/ | ||||
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r2714 | #include <QtCharts/QBarSeries> | ||
| #include <private/qbarseries_p.h> | ||||
| #include <private/barchartitem_p.h> | ||||
| #include <private/chartdataset_p.h> | ||||
| #include <private/charttheme_p.h> | ||||
| #include <QtCharts/QValueAxis> | ||||
| #include <QtCharts/QBarCategoryAxis> | ||||
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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| /*! | ||||
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r1594 | \class QBarSeries | ||
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r2639 | \inmodule Qt Charts | ||
Miikka Heikkinen
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r2520 | \brief Series for creating bar chart. | ||
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r1594 | QBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars | ||
| as groups, where bars in same category are grouped next to each other. QBarSeries groups the data | ||||
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r1208 | from sets to categories, which are defined by a QStringList. | ||
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r1618 | See the \l {BarChart Example} {bar chart example} to learn how to create a grouped bar chart. | ||
| \image examples_barchart.png | ||||
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r1586 | \sa QBarSet, QPercentBarSeries, QAbstractBarSeries, QStackedBarSeries | ||
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r1167 | */ | ||
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r2639 | /*! | ||
| \qmltype BarSeries | ||||
| \instantiates QBarSeries | ||||
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r2712 | \inqmlmodule QtCharts | ||
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r2712 | \inherits AbstractBarSeries | ||
| \brief Series for creating bar chart. | ||||
Tero Ahola
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r2712 | The following QML shows how to create a simple grouped bar chart: | ||
| \snippet qmlchart/qml/qmlchart/View6.qml 1 | ||||
| \beginfloatleft | ||||
| \image examples_qmlchart6.png | ||||
| \endfloat | ||||
| \clearfloat | ||||
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Tero Ahola
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r1489 | */ | ||
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| /*! | ||||
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r1594 | Constructs empty QBarSeries. | ||
| QBarSeries is QObject which is a child of a \a parent. | ||||
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r1167 | */ | ||
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r1594 | QBarSeries::QBarSeries(QObject *parent) | ||
| : QAbstractBarSeries(*new QBarSeriesPrivate(this), parent) | ||||
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r1167 | { | ||
Michal Klocek
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r2085 | |||
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r1167 | } | ||
Jani Honkonen
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r1345 | /*! | ||
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Miikka Heikkinen
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r2520 | Returns QAbstractSeries::SeriesTypeBar. | ||
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Jani Honkonen
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r1345 | */ | ||
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r1594 | QAbstractSeries::SeriesType QBarSeries::type() const | ||
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r1167 | { | ||
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r1594 | return QAbstractSeries::SeriesTypeBar; | ||
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r1167 | } | ||
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r1850 | /*! | ||
| Destructor. Removes series from chart. | ||||
| */ | ||||
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Michal Klocek
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r1727 | QBarSeries::~QBarSeries() | ||
| { | ||||
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Michal Klocek
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r1725 | Q_D(QBarSeries); | ||
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Michal Klocek
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r2273 | if (d->m_chart) | ||
| d->m_chart->removeSeries(this); | ||||
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Michal Klocek
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r1725 | } | ||
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r1167 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
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r1594 | QBarSeriesPrivate::QBarSeriesPrivate(QBarSeries *q) : QAbstractBarSeriesPrivate(q) | ||
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r1167 | { | ||
| } | ||||
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Michal Klocek
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r2273 | void QBarSeriesPrivate::initializeDomain() | ||
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r1167 | { | ||
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Michal Klocek
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r2273 | qreal minX(domain()->minX()); | ||
| qreal minY(domain()->minY()); | ||||
| qreal maxX(domain()->maxX()); | ||||
| qreal maxY(domain()->maxY()); | ||||
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r1321 | qreal x = categoryCount(); | ||
Marek Rosa
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r1679 | minX = qMin(minX, - (qreal)0.5); | ||
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r1781 | minY = qMin(minY, min()); | ||
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Marek Rosa
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r1679 | maxX = qMax(maxX, x - (qreal)0.5); | ||
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r1781 | maxY = qMax(maxY, max()); | ||
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Michal Klocek
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r2273 | domain()->setRange(minX, maxX, minY, maxY); | ||
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r1167 | } | ||
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Michal Klocek
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r2273 | void QBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent) | ||
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r1167 | { | ||
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r1594 | Q_Q(QBarSeries); | ||
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Michal Klocek
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r2273 | BarChartItem *bar = new BarChartItem(q,parent); | ||
| m_item.reset(bar); | ||||
| QAbstractSeriesPrivate::initializeGraphics(parent); | ||||
| } | ||||
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r1594 | #include "moc_qbarseries.cpp" | ||
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r2712 | QT_CHARTS_END_NAMESPACE | ||
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