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qpercentbarseries.cpp
107 lines | 3.2 KiB | text/x-c | CppLexer
/ src / barchart / qpercentbarseries.cpp
/****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qpercentbarseries.h"
#include "qpercentbarseries_p.h"
#include "percentbarchartitem_p.h"
#include "chartdataset_p.h"
#include "charttheme_p.h"
#include "chartanimator_p.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
/*!
\class QPercentBarSeries
\brief part of QtCommercial chart API.
\mainclass
QPercentBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars
as stacks, where each bar is shown as percentage of all bars in that category.
QPercentBarSeries groups the data from sets to categories, which are defined by a QStringList.
See the \l {PercentbarChart Example} {percent bar chart example} to learn how to create a percent bar chart.
\image examples_percentbarchart.png
\sa QBarSet, QStackedBarSeries, QBarSeries
*/
/*!
\fn virtual QSeriesType QPercentBarSeries::type() const
\brief Returns type of series.
\sa QAbstractSeries, QSeriesType
*/
/*!
Constructs empty QPercentBarSeries.
QPercentBarSeries is QObject which is a child of a \a parent.
*/
QPercentBarSeries::QPercentBarSeries(QObject *parent)
: QBarSeries(*new QPercentBarSeriesPrivate(this), parent)
{
}
QAbstractSeries::SeriesType QPercentBarSeries::type() const
{
return QAbstractSeries::SeriesTypePercentBar;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
QPercentBarSeriesPrivate::QPercentBarSeriesPrivate(QPercentBarSeries *q) : QBarSeriesPrivate(q)
{
}
void QPercentBarSeriesPrivate::scaleDomain(Domain& domain)
{
qreal minX(domain.minX());
qreal minY(domain.minY());
qreal maxX(domain.maxX());
qreal maxY(domain.maxY());
int tickXCount(domain.tickXCount());
int tickYCount(domain.tickYCount());
qreal x = categoryCount();
minX = qMin(minX, x) - 0.5;
maxX = qMax(maxX, x) - 0.5;
minY = 0;
maxY = 100;
tickXCount = x+1;
domain.setRange(minX,maxX,minY,maxY,tickXCount,tickYCount);
}
Chart* QPercentBarSeriesPrivate::createGraphics(ChartPresenter* presenter)
{
Q_Q(QPercentBarSeries);
PercentBarChartItem* bar = new PercentBarChartItem(q,presenter);
if(presenter->animationOptions().testFlag(QChart::SeriesAnimations)) {
presenter->animator()->addAnimation(bar);
}
presenter->chartTheme()->decorate(q, presenter->dataSet()->seriesIndex(q));
return bar;
}
#include "moc_qpercentbarseries.cpp"
QTCOMMERCIALCHART_END_NAMESPACE