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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 <QtWidgets/QApplication>
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#include <QtWidgets/QMainWindow>
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#include <QtCharts/QChartView>
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#include <QtCharts/QLineSeries>
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#include <QtCharts/QCategoryAxis>
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QT_CHARTS_USE_NAMESPACE
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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//![1]
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QLineSeries *series = new QLineSeries();
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*series << QPointF(0, 6) << QPointF(9, 4) << QPointF(15, 20) << QPointF(25, 12) << QPointF(29, 26);
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QChart *chart = new QChart();
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chart->legend()->hide();
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chart->addSeries(series);
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//![1]
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//![2]
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// Customize series
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QPen pen(QRgb(0xfdb157));
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pen.setWidth(5);
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series->setPen(pen);
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// Customize chart title
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QFont font;
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font.setPixelSize(18);
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chart->setTitleFont(font);
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chart->setTitleBrush(QBrush(Qt::white));
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chart->setTitle("Customchart example");
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// Customize chart background
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QLinearGradient backgroundGradient;
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backgroundGradient.setStart(QPointF(0, 0));
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backgroundGradient.setFinalStop(QPointF(0, 1));
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backgroundGradient.setColorAt(0.0, QRgb(0xd2d0d1));
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backgroundGradient.setColorAt(1.0, QRgb(0x4c4547));
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backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
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chart->setBackgroundBrush(backgroundGradient);
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// Customize plot area background
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QLinearGradient plotAreaGradient;
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plotAreaGradient.setStart(QPointF(0, 1));
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plotAreaGradient.setFinalStop(QPointF(1, 0));
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plotAreaGradient.setColorAt(0.0, QRgb(0x555555));
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plotAreaGradient.setColorAt(1.0, QRgb(0x55aa55));
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plotAreaGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
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chart->setPlotAreaBackgroundBrush(plotAreaGradient);
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chart->setPlotAreaBackgroundVisible(true);
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//![2]
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//![3]
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QCategoryAxis *axisX = new QCategoryAxis();
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QCategoryAxis *axisY = new QCategoryAxis();
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// Customize axis label font
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QFont labelsFont;
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labelsFont.setPixelSize(12);
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axisX->setLabelsFont(labelsFont);
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axisY->setLabelsFont(labelsFont);
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// Customize axis colors
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QPen axisPen(QRgb(0xd18952));
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axisPen.setWidth(2);
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axisX->setLinePen(axisPen);
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axisY->setLinePen(axisPen);
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// Customize axis label colors
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QBrush axisBrush(Qt::white);
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axisX->setLabelsBrush(axisBrush);
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axisY->setLabelsBrush(axisBrush);
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// Customize grid lines and shades
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axisX->setGridLineVisible(false);
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axisY->setGridLineVisible(false);
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axisY->setShadesPen(Qt::NoPen);
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axisY->setShadesBrush(QBrush(QColor(0x99, 0xcc, 0xcc, 0x55)));
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axisY->setShadesVisible(true);
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//![3]
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//![4]
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axisX->append("low", 10);
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axisX->append("optimal", 20);
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axisX->append("high", 30);
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axisX->setRange(0, 30);
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axisY->append("slow", 10);
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axisY->append("med", 20);
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axisY->append("fast", 30);
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axisY->setRange(0, 30);
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chart->setAxisX(axisX, series);
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chart->setAxisY(axisY, series);
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//![4]
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//![5]
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QChartView *chartView = new QChartView(chart);
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chartView->setRenderHint(QPainter::Antialiasing);
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//![5]
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//![6]
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QMainWindow window;
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window.setCentralWidget(chartView);
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window.resize(400, 300);
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window.show();
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//![6]
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return a.exec();
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}
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