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Documented QAbstractSeries axis handling
Documented QAbstractSeries axis handling
Jani Honkonen - - Load All Authors

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donutchart.cpp
55 lines | 1.9 KiB | text/x-c | CppLexer
/ demos / chartviewer / charts / pieseries / donutchart.cpp
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Michal Klocek
Adds donut and precent charts to chartviewer
 r1865 /****************************************************************************
**
** 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 "charts.h"
#include "qchart.h"
#include "qpieseries.h"
class DonutChart: public Chart
{
public:
QString name() { return QObject::tr("DonutChart"); }
QString category() { return QObject::tr("PieSeries"); }
QString subCategory() { return QString::null; }
Jani Honkonen
coding style fixes for demos
 r2099 QChart *createChart(const DataTable &table)
Jani Honkonen
demos: coding style police make a surprise strike
 r2130 {
Jani Honkonen
coding style fixes for demos
 r2099 QChart *chart = new QChart();
Michal Klocek
Adds donut and precent charts to chartviewer
 r1865 chart->setTitle("Donut chart");
Jani Honkonen
coding style fixes for demos
 r2099 for (int i = 0, j = table.count(); i < table.count(); i++, j--) {
Michal Klocek
Adds donut and precent charts to chartviewer
 r1865 QPieSeries *series = new QPieSeries(chart);
foreach (Data data, table[i]) {
QPieSlice *slice = series->append(data.second, data.first.y());
Jani Honkonen
coding style fixes for demos
 r2099 if (data == table[i].first())
Michal Klocek
Adds donut and precent charts to chartviewer
 r1865 slice->setLabelVisible();
}
Jani Honkonen
coding style fixes for demos
 r2099 series->setPieSize(j / (qreal) table.count());
if (j > 1)
series->setHoleSize((j - 1) / (qreal) table.count() + 0.1);
Michal Klocek
Adds donut and precent charts to chartviewer
 r1865 series->setHorizontalPosition(0.5);
series->setVerticalPosition(0.5);
chart->addSeries(series);
}
return chart;
}
};
DECLARE_CHART(DonutChart)