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#include "mainwindow.h"
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#include <qchartview.h>
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#include <qpieseries.h>
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#include <qpieslice.h>
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#include <qlineseries.h>
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#include <qscatterseries.h>
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#include <qchartaxis.h>
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#include <QDebug>
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QTCOMMERCIALCHART_USE_NAMESPACE
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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{
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// Here's the set of company's colors used throughout the example
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m_companyColor1 = "#b90020";
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m_companyColor2 = "#6d0013";
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m_companyColor3 = "#f5d5d5";
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m_companyColor4 = "#fcfcfc";
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resize(400, 300);
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setWindowFlags(Qt::FramelessWindowHint);
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// Create chart view
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//! [4]
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m_chartView = new QChartView(this);
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m_chartView->setChartTheme(QChart::ChartThemeHighContrast);
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//! [4]
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setCentralWidget(m_chartView);
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m_chartView->setChartTitle("Custom colors example");
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m_chartView->setRenderHint(QPainter::Antialiasing);
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// Create line series
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m_line = new QLineSeries();
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m_line->add(0.0, 1.1);
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m_line->add(1.0, 2.3);
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m_line->add(2.0, 2.1);
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m_line->add(3.0, 3.3);
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m_chartView->addSeries(m_line);
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// Create scatter series with the same data
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m_scatter = new QScatterSeries();
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m_scatter->add(m_line->data());
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m_chartView->addSeries(m_scatter);
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// Create pie series with different data
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m_pie = new QPieSeries();
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m_pie->add(1.1, "1");
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m_pie->add(2.1, "2");
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m_pie->add(3.0, "3");
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m_pie->setPiePosition(0.7, 0.7);
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m_pie->setPieSize(0.5);
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m_chartView->addSeries(m_pie);
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connect(&m_timer, SIGNAL(timeout()), this, SLOT(customize()));
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m_timer.setInterval(1500);
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m_timer.setSingleShot(false);
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m_timer.start();
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}
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MainWindow::~MainWindow()
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{
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}
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void MainWindow::customize()
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{
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//! [1]
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// Use a gradient from "color 3" to "color 4" for chart background
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QLinearGradient chartGradient(0, 0, 0, 300);
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chartGradient.setColorAt(0.0, m_companyColor3);
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chartGradient.setColorAt(0.5, m_companyColor4);
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chartGradient.setColorAt(1.0, m_companyColor3);
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m_chartView->setChartBackgroundBrush(chartGradient);
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m_chartView->setBackgroundBrush(m_companyColor4);
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m_chartView->setChartTitleBrush(m_companyColor1);
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//! [1]
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//! [2]
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QPen color1Pen(m_companyColor1, 4.0);
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m_chartView->axisX()->setAxisPen(color1Pen);
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m_chartView->axisY()->setAxisPen(color1Pen);
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//! [2]
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//! [3]
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// Customize pen of the line series
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m_line->setPen(color1Pen);
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// Customize pen and brush for the scatter
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m_scatter->setPen(color1Pen);
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m_scatter->setBrush(m_companyColor3);
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// Customize pen and brush for the pie
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for (int i(0); i < m_pie->slices().count(); i++) {
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Qt::BrushStyle style = static_cast<Qt::BrushStyle>(i + 1);
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m_pie->slices().at(i)->setBrush(QBrush(m_companyColor2, style));
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m_pie->slices().at(i)->setPen(color1Pen);
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}
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//! [3]
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// Calculate new colors to be used on the next update for the series
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m_companyColor1.setRed((m_companyColor1.red() + 25) % 255);
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m_companyColor1.setGreen((m_companyColor1.green() + 25) % 255);
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m_companyColor1.setBlue((m_companyColor1.blue() + 25) % 255);
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m_companyColor2.setRed((m_companyColor2.red() + 25) % 255);
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m_companyColor2.setGreen((m_companyColor2.green() + 25) % 255);
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m_companyColor2.setBlue((m_companyColor2.blue() + 25) % 255);
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}
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