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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt 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.io
**
****************************************************************************/
#include "chartview.h"
#include <QtCharts/QScatterSeries>
#include <QtCharts/QLegendMarker>
#include <QtGui/QImage>
#include <QtGui/QPainter>
#include <QtCore/QtMath>
const float Pi = 3.14159f;
ChartView::ChartView(QWidget *parent) :
QChartView(new QChart(), parent)
{
//![1]
QScatterSeries *series0 = new QScatterSeries();
series0->setName("scatter1");
series0->setMarkerShape(QScatterSeries::MarkerShapeCircle);
series0->setMarkerSize(15.0);
QScatterSeries *series1 = new QScatterSeries();
series1->setName("scatter2");
series1->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
series1->setMarkerSize(20.0);
QScatterSeries *series2 = new QScatterSeries();
series2->setName("scatter3");
series2->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
series2->setMarkerSize(30.0);
//![1]
//![2]
series0->append(0, 6);
series0->append(2, 4);
series0->append(3, 8);
series0->append(7, 4);
series0->append(10, 5);
*series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2);
*series2 << QPointF(1, 5) << QPointF(4, 6) << QPointF(6, 3) << QPointF(9, 5);
//![2]
//![3]
QPainterPath starPath;
starPath.moveTo(30, 15);
for (int i = 1; i < 5; ++i) {
starPath.lineTo(15 + 15 * qCos(0.8 * i * Pi),
15 + 15 * qSin(0.8 * i * Pi));
}
starPath.closeSubpath();
QImage star(30, 30, QImage::Format_ARGB32);
star.fill(Qt::transparent);
QPainter painter(&star);
painter.setRenderHint(QPainter::Antialiasing);
painter.setPen(QRgb(0xf6a625));
painter.setBrush(painter.pen().color());
painter.drawPath(starPath);
series2->setBrush(star);
//![3]
//![4]
setRenderHint(QPainter::Antialiasing);
chart()->addSeries(series0);
chart()->addSeries(series1);
chart()->addSeries(series2);
chart()->setTitle("Simple scatterchart example");
chart()->createDefaultAxes();
chart()->setDropShadowEnabled(false);
//![4]
//![5]
QList<QLegendMarker *> markers = chart()->legend()->markers(series2);
for (int i = 0; i < markers.count(); i++)
markers.at(i)->setBrush(painter.pen().color());
//![5]
}
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