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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd
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** All rights reserved.
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** For any questions to The Qt Company, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and The Qt Company.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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#include "chartview.h"
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#include <QtCharts/QScatterSeries>
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#include <QtCharts/QLegendMarker>
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#include <QtGui/QImage>
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#include <QtGui/QPainter>
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#include <QtCore/QtMath>
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const float Pi = 3.14159f;
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ChartView::ChartView(QWidget *parent) :
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QChartView(new QChart(), parent)
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{
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//![1]
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QScatterSeries *series0 = new QScatterSeries();
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series0->setName("scatter1");
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series0->setMarkerShape(QScatterSeries::MarkerShapeCircle);
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series0->setMarkerSize(15.0);
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QScatterSeries *series1 = new QScatterSeries();
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series1->setName("scatter2");
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series1->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
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series1->setMarkerSize(20.0);
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QScatterSeries *series2 = new QScatterSeries();
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series2->setName("scatter3");
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series2->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
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series2->setMarkerSize(30.0);
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//![1]
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//![2]
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series0->append(0, 6);
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series0->append(2, 4);
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series0->append(3, 8);
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series0->append(7, 4);
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series0->append(10, 5);
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*series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2);
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*series2 << QPointF(1, 5) << QPointF(4, 6) << QPointF(6, 3) << QPointF(9, 5);
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//![2]
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//![3]
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QPainterPath starPath;
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starPath.moveTo(30, 15);
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for (int i = 1; i < 5; ++i) {
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starPath.lineTo(15 + 15 * qCos(0.8 * i * Pi),
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15 + 15 * qSin(0.8 * i * Pi));
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}
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starPath.closeSubpath();
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QImage star(30, 30, QImage::Format_ARGB32);
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star.fill(Qt::transparent);
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QPainter painter(&star);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setPen(QRgb(0xf6a625));
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painter.setBrush(painter.pen().color());
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painter.drawPath(starPath);
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series2->setBrush(star);
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//![3]
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//![4]
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setRenderHint(QPainter::Antialiasing);
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chart()->addSeries(series0);
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chart()->addSeries(series1);
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chart()->addSeries(series2);
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chart()->setTitle("Simple scatterchart example");
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chart()->createDefaultAxes();
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chart()->setDropShadowEnabled(false);
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//![4]
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//![5]
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QList<QLegendMarker *> markers = chart()->legend()->markers(series2);
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for (int i = 0; i < markers.count(); i++)
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markers.at(i)->setBrush(painter.pen().color());
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//![5]
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}
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