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-1,51
+1,50
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#include <QtGui/QApplication>
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#include <QtGui/QApplication>
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#include <QMainWindow>
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#include <QMainWindow>
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#include <qchartglobal.h>
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#include <qchartglobal.h>
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#include <qchartview.h>
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#include <qchartview.h>
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#include <qscatterseries.h>
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#include <qscatterseries.h>
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QTCOMMERCIALCHART_USE_NAMESPACE
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QTCOMMERCIALCHART_USE_NAMESPACE
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int main(int argc, char *argv[])
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int main(int argc, char *argv[])
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{
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{
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QApplication a(argc, argv);
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QApplication a(argc, argv);
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//! [1]
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//! [1]
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// Create chart view
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// Create chart view
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QChartView *chartView = new QChartView();
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QChartView *chartView = new QChartView();
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chartView->setRenderHint(QPainter::Antialiasing);
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chartView->setRenderHint(QPainter::Antialiasing);
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chartView->setChartTheme(QChart::ChartThemeScientific);
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// Add scatter series with linear test data with random "noise"
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// Add scatter series with linear test data with random "noise"
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QScatterSeries *scatter = new QScatterSeries();
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QScatterSeries *scatter = new QScatterSeries();
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for (qreal i(0.0); i < 20; i += 0.25) {
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for (qreal i(0.0); i < 20; i += 0.5) {
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qreal x = i + (qreal)(rand() % 100) / 100.0;
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qreal x = i + (qreal)(rand() % 100) / 100.0;
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qreal y = i + (qreal)(rand() % 100) / 100.0;
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qreal y = i + (qreal)(rand() % 100) / 100.0;
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(*scatter) << QPointF(x, y);
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(*scatter) << QPointF(x, y);
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}
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}
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// Chart takes ownership
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// Chart takes ownership
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chartView->addSeries(scatter);
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chartView->addSeries(scatter);
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//! [1]
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//! [1]
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// And more
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// And more
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//! [2]
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//! [2]
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//*scatter << QPointF(2.0, 5.5) << QPointF(2.2, 5.4);
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*scatter << QPointF(2.0, 5.5) << QPointF(2.2, 5.4);
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//! [2]
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//! [2]
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//! [3]
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//! [3]
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QBrush brush(QColor(255, 0, 0, 80), Qt::SolidPattern);
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QBrush brush(QColor(255, 0, 0, 80), Qt::SolidPattern);
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scatter->setBrush(brush);
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scatter->setBrush(brush);
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QPen pen(QColor(0, 255, 0, 60), 3);
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QPen pen(QColor(0, 255, 0, 60), 3);
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scatter->setPen(pen);
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scatter->setPen(pen);
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scatter->setShape(QScatterSeries::MarkerShapeRectangle);
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scatter->setShape(QScatterSeries::MarkerShapeRectangle);
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scatter->setSize(15.0);
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scatter->setSize(25.0);
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//! [3]
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//! [3]
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// Use the chart widget as the central widget
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// Use the chart widget as the central widget
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QMainWindow w;
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QMainWindow w;
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w.resize(400, 300);
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w.resize(400, 300);
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w.setCentralWidget(chartView);
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w.setCentralWidget(chartView);
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w.setWindowFlags(Qt::FramelessWindowHint);
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w.setWindowFlags(Qt::FramelessWindowHint);
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w.show();
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w.show();
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return a.exec();
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return a.exec();
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}
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}
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