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Scatter series marker visuals
Scatter series marker visuals

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r195:3f425cc48265
r195:3f425cc48265
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main.cpp
57 lines | 1.6 KiB | text/x-c | CppLexer
Tero Ahola
Added minimalistic scatter example
r123 #include <QtGui/QApplication>
#include <QMainWindow>
#include <cmath>
#include <qchartglobal.h>
Michal Klocek
Removes QChartWidget...
r136 #include <qchartview.h>
Tero Ahola
Added minimalistic scatter example
r123 #include <qscatterseries.h>
QTCOMMERCIALCHART_USE_NAMESPACE
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
Tero Ahola
Enabled theme colors in scatter again
r182 // Create chart widget
Michal Klocek
Removes QChartWidget...
r136 QChartView *chartWidget = new QChartView();
Tero Ahola
Enabled theme colors in scatter again
r182
Tero Ahola
Scatter series marker visuals
r195 // Add scatter series with simple test data
Tero Ahola
added stream operator to scatter series
r180 QScatterSeries *scatter = new QScatterSeries();
Tero Ahola
Scatter series marker visuals
r195 *scatter << QPointF(0.5, 5.0)
<< QPointF(1.0, 4.5)
<< QPointF(1.0, 5.5)
<< QPointF(1.5, 5.0)
<< QPointF(2.0, 4.5)
<< QPointF(2.0, 5.5)
<< QPointF(2.5, 5.0);
Tero Ahola
Enabled theme colors in scatter again
r182 chartWidget->addSeries(scatter);
Tero Ahola
Added minimalistic scatter example
r123
Tero Ahola
Scatter series marker visuals
r195 // Add another scatter series
// - more data with random component
Tero Ahola
Enabled theme colors in scatter again
r182 QScatterSeries *scatter2 = new QScatterSeries();
Tero Ahola
Scatter series marker visuals
r195 for (qreal i(0.0); i < 20; i += 0.05) {
Tero Ahola
Enabled theme colors in scatter again
r182 (*scatter2) << QPointF(i + (qreal)(rand() % 100) / 100.0,
Tero Ahola
Scatter series marker visuals
r195 i + (qreal)(rand() % 100) / 100.0);
}
Tero Ahola
Enabled theme colors in scatter again
r182 chartWidget->addSeries(scatter2);
Tero Ahola
Scatter series marker visuals
r195 // Custom pen and brush (not those defined by the chart theme)
// - uses opaque color
QColor color("#2685BF");
color.setAlpha(80);
QBrush brush(Qt::SolidPattern);
brush.setColor(color);
scatter2->setMarkerBrush(brush);
QPen pen;
pen.setColor(color);
pen.setWidth(2);
scatter2->setMarkerPen(pen);
// use a rectangle as the marker shape
scatter2->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
Tero Ahola
Added minimalistic scatter example
r123
// Use the chart widget as the central widget
QMainWindow w;
w.resize(640, 480);
Jani Honkonen
Fixed a double delete chrash with scatter example
r129 w.setCentralWidget(chartWidget);
Tero Ahola
Added minimalistic scatter example
r123 w.show();
return a.exec();
}