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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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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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