/**************************************************************************** ** ** 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; } QChart* createChart(const DataTable& table) { QChart* chart = new QChart(); chart->setTitle("Donut chart"); for (int i = 0, j = table.count(); i < table.count(); i++,j--) { QPieSeries *series = new QPieSeries(chart); foreach (Data data, table[i]) { QPieSlice *slice = series->append(data.second, data.first.y()); if (data == table[i].first()) { slice->setLabelVisible(); } } series->setPieSize( j / (qreal) table.count()); if(j>1) series->setHoleSize( (j-1)/ (qreal) table.count()+0.1); series->setHorizontalPosition(0.5); series->setVerticalPosition(0.5); chart->addSeries(series); } return chart; } }; DECLARE_CHART(DonutChart)