qstackedbarseries.cpp
121 lines
| 3.6 KiB
| text/x-c
|
CppLexer
Jani Honkonen
|
r794 | /**************************************************************************** | ||
| ** | ||||
| ** Copyright (C) 2012 Digia Plc | ||||
| ** All rights reserved. | ||||
| ** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
| ** | ||||
| ** This file is part of the Qt Commercial Charts Add-on. | ||||
| ** | ||||
| ** $QT_BEGIN_LICENSE$ | ||||
| ** Licensees holding valid Qt Commercial licenses may use this file in | ||||
| ** accordance with the Qt Commercial License Agreement provided with the | ||||
| ** Software or, alternatively, in accordance with the terms contained in | ||||
| ** a written agreement between you and Digia. | ||||
| ** | ||||
| ** If you have questions regarding the use of this file, please use | ||||
| ** contact form at http://qt.digia.com | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
sauimone
|
r338 | #include "qstackedbarseries.h" | ||
Michal Klocek
|
r943 | #include "qstackedbarseries_p.h" | ||
| #include "stackedbarchartitem_p.h" | ||||
| #include "chartdataset_p.h" | ||||
| #include "charttheme_p.h" | ||||
Marek Rosa
|
r1805 | #include "qvalueaxis.h" | ||
|
sauimone
|
r1673 | #include "stackedbaranimation_p.h" | ||
|
sauimone
|
r338 | |||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| /*! | ||||
| \class QStackedBarSeries | ||||
|
sauimone
|
r1502 | \brief Series for creating stacked bar chart | ||
Tero Ahola
|
r995 | \mainclass | ||
|
sauimone
|
r338 | |||
|
sauimone
|
r1208 | QStackedBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars | ||
| as stacks, where bars in same category are stacked on top of each other. | ||||
|
sauimone
|
r377 | QStackedBarSeries groups the data from sets to categories, which are defined by QStringList. | ||
|
sauimone
|
r338 | |||
|
Tero Ahola
|
r995 | See the \l {StackedbarChart Example} {stacked bar chart example} to learn how to create a stacked bar chart. | ||
| \image examples_stackedbarchart.png | ||||
|
sauimone
|
r338 | |||
|
sauimone
|
r1586 | \sa QBarSet, QPercentBarSeries, QAbstractBarSeries | ||
|
sauimone
|
r338 | */ | ||
|
Tero Ahola
|
r1489 | /*! | ||
| \qmlclass StackedBarSeries QStackedBarSeries | ||||
|
sauimone
|
r1590 | \inherits AbstractBarSeries | ||
|
Tero Ahola
|
r1489 | |||
| The following QML shows how to create a simple stacked bar chart: | ||||
|
sauimone
|
r1618 | \snippet ../demos/qmlchart/qml/qmlchart/View7.qml 1 | ||
|
Tero Ahola
|
r1489 | \beginfloatleft | ||
|
sauimone
|
r1618 | \image demos_qmlchart7.png | ||
|
Tero Ahola
|
r1489 | \endfloat | ||
| \clearfloat | ||||
| */ | ||||
|
sauimone
|
r338 | /*! | ||
|
sauimone
|
r1208 | Constructs empty QStackedBarSeries. | ||
|
sauimone
|
r338 | QStackedBarSeries is QObject which is a child of a \a parent. | ||
| */ | ||||
|
sauimone
|
r1208 | QStackedBarSeries::QStackedBarSeries(QObject *parent) | ||
|
sauimone
|
r1584 | : QAbstractBarSeries(*new QStackedBarSeriesPrivate(this), parent) | ||
|
sauimone
|
r338 | { | ||
| } | ||||
|
sauimone
|
r1850 | /*! | ||
| Destructor. Removes series from chart. | ||||
| */ | ||||
|
Michal Klocek
|
r1727 | QStackedBarSeries::~QStackedBarSeries() | ||
| { | ||||
| Q_D(QStackedBarSeries); | ||||
|
Jani Honkonen
|
r2097 | if (d->m_dataset) | ||
|
Michal Klocek
|
r1727 | d->m_dataset->removeSeries(this); | ||
| } | ||||
|
Jani Honkonen
|
r1345 | /*! | ||
| Returns QChartSeries::SeriesTypeStackedBar. | ||||
| */ | ||||
|
Michal Klocek
|
r1107 | QAbstractSeries::SeriesType QStackedBarSeries::type() const | ||
|
Michal Klocek
|
r938 | { | ||
|
Tero Ahola
|
r988 | return QAbstractSeries::SeriesTypeStackedBar; | ||
|
Michal Klocek
|
r938 | } | ||
|
Michal Klocek
|
r943 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
|
sauimone
|
r1584 | QStackedBarSeriesPrivate::QStackedBarSeriesPrivate(QStackedBarSeries *q) : QAbstractBarSeriesPrivate(q) | ||
|
Michal Klocek
|
r943 | { | ||
| } | ||||
|
Jani Honkonen
|
r2104 | void QStackedBarSeriesPrivate::scaleDomain(Domain &domain) | ||
|
Michal Klocek
|
r943 | { | ||
| qreal minX(domain.minX()); | ||||
| qreal minY(domain.minY()); | ||||
| qreal maxX(domain.maxX()); | ||||
| qreal maxY(domain.maxY()); | ||||
|
sauimone
|
r1321 | qreal x = categoryCount(); | ||
|
Marek Rosa
|
r1679 | minX = qMin(minX, - (qreal)0.5); | ||
|
sauimone
|
r1897 | minY = qMin(minY, bottom()); | ||
|
Marek Rosa
|
r1679 | maxX = qMax(maxX, x - (qreal)0.5); | ||
|
sauimone
|
r1897 | maxY = qMax(maxY, top()); | ||
|
Michal Klocek
|
r943 | |||
|
Jani Honkonen
|
r2097 | domain.setRange(minX, maxX, minY, maxY); | ||
|
Michal Klocek
|
r943 | } | ||
|
Jani Honkonen
|
r2104 | ChartElement *QStackedBarSeriesPrivate::createGraphics(ChartPresenter *presenter) | ||
|
Michal Klocek
|
r943 | { | ||
| Q_Q(QStackedBarSeries); | ||||
|
Jani Honkonen
|
r2104 | StackedBarChartItem *bar = new StackedBarChartItem(q, presenter); | ||
|
Jani Honkonen
|
r2097 | if (presenter->animationOptions().testFlag(QChart::SeriesAnimations)) | ||
|
sauimone
|
r1673 | bar->setAnimation(new StackedBarAnimation(bar)); | ||
|
Michal Klocek
|
r943 | presenter->chartTheme()->decorate(q, presenter->dataSet()->seriesIndex(q)); | ||
| return bar; | ||||
| } | ||||
|
sauimone
|
r338 | #include "moc_qstackedbarseries.cpp" | ||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||