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#include "splinewidget.h"
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#include "qchartview.h"
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#include "qsplineseries.h"
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#include "qlinechartseries.h"
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#include <QGridLayout>
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QTCOMMERCIALCHART_USE_NAMESPACE
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SplineWidget::SplineWidget(QWidget *parent)
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: QWidget(parent)
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{
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//create QSplineSeries
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QSplineSeries* series = new QSplineSeries(this);
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series->addData(QPointF(150, 100));
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series->addData(QPointF(200, 180));
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series->addData(QPointF(240, 130));
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series->addData(QPointF(270, 120));
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series->addData(QPointF(310, 120));
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series->addData(QPointF(420, 160));
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series->addData(QPointF(535, 250));
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series->calculateControlPoints();
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QLineChartSeries* lineSeries = new QLineChartSeries;
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for (int i = 0; i < series->count() - 1; i++)
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{
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lineSeries->add(series->at(i).x(), series->at(i).y());
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lineSeries->add(series->controlPoint(2*i).x(), series->controlPoint(2*i).y());
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lineSeries->add(series->controlPoint(2*i + 1).x(), series->controlPoint(2*i + 1).y());
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}
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// QLineChartSeries* lineSeries2 = new QLineChartSeries;
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// lineSeries2->add(10, 50);
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// lineSeries2->add(30, 15);
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// lineSeries2->add(60, 40);
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// lineSeries2->add(90, 70);
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// lineSeries2->add(100, 20);
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//create chart view
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QChartView* chart = new QChartView;
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chart->setMinimumSize(800,600);
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// chart->setGeometry(50, 50, 400, 300);
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chart->addSeries(series);
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QGridLayout* mainLayout = new QGridLayout;
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mainLayout->addWidget(chart);
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setLayout(mainLayout);
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}
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SplineWidget::~SplineWidget()
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{
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}
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