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Added simple donut chart example docs
Added simple donut chart example docs

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main.cpp
61 lines | 1.7 KiB | text/x-c | CppLexer
/****************************************************************************
**
** 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 "chart.h"
#include "chartview.h"
#include <QApplication>
#include <QMainWindow>
#include <qmath.h>
#include <QLineSeries>
QTCOMMERCIALCHART_USE_NAMESPACE
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
//![1]
QLineSeries* series = new QLineSeries();
for (int i=0; i < 500; i++) {
QPointF p((qreal) i, qSin(M_PI / 50 * i) * 100);
p.ry() += qrand() % 20;
*series << p;
}
//![1]
Chart* chart = new Chart();
chart->addSeries(series);
chart->setTitle("Zoom in/out example");
chart->setAnimationOptions(QChart::SeriesAnimations);
chart->legend()->hide();
chart->createDefaultAxes();
ChartView* chartView = new ChartView(chart);
chartView->setRenderHint(QPainter::Antialiasing);
QMainWindow window;
window.setCentralWidget(chartView);
window.resize(400, 300);
window.grabGesture(Qt::PanGesture);
window.grabGesture(Qt::PinchGesture);
window.show();
return a.exec();
}