| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
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| ****************************************************************************/ |
| |
| #include "chartview.h" |
| #include <QtCharts/QScatterSeries> |
| #include <QtCharts/QLegendMarker> |
| #include <QtGui/QImage> |
| #include <QtGui/QPainter> |
| #include <QtCore/QtMath> |
| |
| 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(28, 15); |
| for (int i = 1; i < 5; ++i) { |
| starPath.lineTo(14 + 14 * qCos(0.8 * i * M_PI), |
| 15 + 14 * qSin(0.8 * i * M_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); |
| series2->setPen(QColor(Qt::transparent)); |
| //![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] |
| chart()->legend()->setMarkerShape(QLegend::MarkerShapeFromSeries); |
| //![5] |
| } |