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++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "customchartwidget.h"
++
++ #include <QCategoryAxis>
++ #include <QChart>
++ #include <QLineSeries>
++
++ CustomChartWidget::CustomChartWidget(QWidget *parent)
++ : ContentWidget(parent)
++ {
++ //![1]
++ auto series = new QLineSeries;
++ *series << QPointF(0, 6) << QPointF(9, 4) << QPointF(15, 20) << QPointF(25, 12) << QPointF(29, 26);
++ auto chart = new QChart;
++ chart->legend()->hide();
++ chart->addSeries(series);
++ //![1]
++
++ //![2]
++ // Customize series
++ QPen pen(QRgb(0xfdb157));
++ pen.setWidth(5);
++ series->setPen(pen);
++
++ // Customize chart title
++ QFont font;
++ font.setPixelSize(18);
++ chart->setTitleFont(font);
++ chart->setTitleBrush(QBrush(Qt::white));
++ chart->setTitle("Custom Chart");
++
++ // Customize chart background
++ QLinearGradient backgroundGradient;
++ backgroundGradient.setStart(QPointF(0, 0));
++ backgroundGradient.setFinalStop(QPointF(0, 1));
++ backgroundGradient.setColorAt(0.0, QRgb(0xd2d0d1));
++ backgroundGradient.setColorAt(1.0, QRgb(0x4c4547));
++ backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
++ chart->setBackgroundBrush(backgroundGradient);
++
++ // Customize plot area background
++ QLinearGradient plotAreaGradient;
++ plotAreaGradient.setStart(QPointF(0, 1));
++ plotAreaGradient.setFinalStop(QPointF(1, 0));
++ plotAreaGradient.setColorAt(0.0, QRgb(0x555555));
++ plotAreaGradient.setColorAt(1.0, QRgb(0x55aa55));
++ plotAreaGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
++ chart->setPlotAreaBackgroundBrush(plotAreaGradient);
++ chart->setPlotAreaBackgroundVisible(true);
++ //![2]
++
++ //![3]
++ auto axisX = new QCategoryAxis;
++ auto axisY = new QCategoryAxis;
++
++ // Customize axis label font
++ QFont labelsFont;
++ labelsFont.setPixelSize(12);
++ axisX->setLabelsFont(labelsFont);
++ axisY->setLabelsFont(labelsFont);
++
++ // Customize axis colors
++ QPen axisPen(QRgb(0xd18952));
++ axisPen.setWidth(2);
++ axisX->setLinePen(axisPen);
++ axisY->setLinePen(axisPen);
++
++ // Customize axis label colors
++ QBrush axisBrush(Qt::white);
++ axisX->setLabelsBrush(axisBrush);
++ axisY->setLabelsBrush(axisBrush);
++
++ // Customize grid lines and shades
++ axisX->setGridLineVisible(false);
++ axisY->setGridLineVisible(false);
++ axisY->setShadesPen(Qt::NoPen);
++ axisY->setShadesBrush(QBrush(QColor(0x99, 0xcc, 0xcc, 0x55)));
++ axisY->setShadesVisible(true);
++ //![3]
++
++ //![4]
++ axisX->append("low", 10);
++ axisX->append("optimal", 20);
++ axisX->append("high", 30);
++ axisX->setRange(0, 30);
++
++ axisY->append("slow", 10);
++ axisY->append("med", 20);
++ axisY->append("fast", 30);
++ axisY->setRange(0, 30);
++
++ chart->addAxis(axisX, Qt::AlignBottom);
++ chart->addAxis(axisY, Qt::AlignLeft);
++ series->attachAxis(axisX);
++ series->attachAxis(axisY);
++ //![4]
++
++ //![5]
++ createDefaultChartView(chart);
++ //![5]
++ }