HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r450:145a5bfaccbf

Spline series fix

Marek Rosa -

r450:145a5bfaccbf

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r450:145a5bfaccbf

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example/axischart/main.cpp +1 -1

             #include <QApplication>
             #include <QMainWindow>
             #include <qchartview.h>
             #include <qlineseries.h>
             #include <qchart.h>
             #include <qchartaxis.h>
             #include <qchartaxiscategories.h>
             #include <cmath>
             QTCOMMERCIALCHART_USE_NAMESPACE
             #define PI 3.14159265358979
             int main(int argc, char *argv[])
             {
                 QApplication a(argc, argv);
                 QMainWindow window;
                 QLineSeries* series0 = new QLineSeries();
                 QPen blue(Qt::blue);
                 blue.setWidth(3);
                 series0->setPen(blue);
                 QLineSeries* series1 = new QLineSeries();
                 QPen red(Qt::red);
                 red.setWidth(3);
                 series1->setPen(red);
                 int numPoints = 100;
                 for (int x = 0; x <= numPoints; ++x) {
                 	  series0->add(x, fabs(sin(PI/50*x)*100));
                 	  series1->add(x, fabs(cos(PI/50*x)*100));
                 }
                 QChartView* chartView =  new QChartView(&window);
                 chartView->setRenderHint(QPainter::Antialiasing);
                 chartView->setChartTitle("This is custom axis chart example");
                 chartView->addSeries(series0);
                 chartView->addSeries(series1);
                 QLinearGradient backgroundGradient;
                 backgroundGradient.setColorAt(0.0, Qt::white);
                 backgroundGradient.setColorAt(1.0, QRgb(0xffff80));
                 backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
                 chartView->setChartBackgroundBrush(backgroundGradient);
                 QChartAxis* axisX = chartView->axisX();
                 axisX->setLabelsAngle(45);
                 axisX->setGridPen(Qt::DashLine);
                 QChartAxisCategories& categoriesX = axisX->categories();
                 categoriesX.insert(0,"low");
                 categoriesX.insert(50,"medium");
                 categoriesX.insert(100,"High");
                 axisX->setMin(-10);
-                axisX->setMax(200);
+                axisX->setMax(2200);
                 QChartAxis* axisY = chartView->axisY();
                 axisY->setLabelsAngle(45);
                 axisY->setShadesBrush(Qt::yellow);
                 QChartAxisCategories& categoriesY = axisY->categories();
                 categoriesY.insert(0,"low");
                 categoriesY.insert(50,"medium");
                 categoriesY.insert(100,"High");
                 axisY->setMin(-10);
                 axisY->setMax(200);
                 window.setCentralWidget(chartView);
                 window.resize(400, 300);
                 window.show();
                 return a.exec();
             }

example/example.pro +1 -1

             TEMPLATE = subdirs
             SUBDIRS += linechart \
                        zoomlinechart \
                        colorlinechart \
                        barchart \
                        stackedbarchart \
                        percentbarchart \
                        scatter \
                        piechart \
                        piechartcustomization \
                        piechartdrilldown \
                        dynamiclinechart \
                        axischart \
                        multichart \
                        gdpbarchart \
                        presenterchart \
                        chartview \
                        scatterinteractions \
-                       #splinechart \
+                       splinechart \
                        areachart \
                        stackedbarchartdrilldown

example/splinechart/splinewidget.cpp +10 -3

             #include "splinewidget.h"
             #include "qchartview.h"
             #include "qlineseries.h"
             #include <QGridLayout>
             #include <QPushButton>
             #include "qchartaxis.h"
             #include <qmath.h>
             QTCOMMERCIALCHART_USE_NAMESPACE
             SplineWidget::SplineWidget(QWidget *parent)
                 : QWidget(parent)
             {
                 qsrand(time(NULL));
                 //! [1]
                 //create QSplineSeries
-                series = new QSplineSeries(this);
+                series = new QSplineSeries;
                 //! [1]
                 //! [2]
                 // customize the series presentation settings
                 QPen seriesPen(Qt::blue);
                 seriesPen.setWidth(3);
                 series->setPen(seriesPen);
                 //! [2]
                 //! [add points to series]
                 //add data points to the series
                 series->add(QPointF(150, 100));
                 series->add(QPointF(200, 130));
                 series->add(QPointF(250, 120));
                 series->add(QPointF(300, 140));
                 series->add(QPointF(350, 160));
                 //! [add points to series]
             //    series->add(QPointF(400, 120));
             //    series->add(QPointF(450, 150));
             //    series->add(QPointF(500, 145));
             //    series->add(QPointF(550, 170));
             //    series->add(QPointF(600, 190));
             //    series->add(QPointF(650, 210));
             //    series->add(QPointF(700, 190));
             //    series->add(QPointF(750, 180));
             //    series->add(QPointF(800, 170));
                 //! [3]
                 // create chart view
                 QChartView* chart = new QChartView;
                 chart->addSeries(series);
-                chart->axisX()->setRange(0, 1500);
+                chart->setChartTitle("Spline chart example");
-                chart->axisY()->setRange(0, 400);
+            //    chart->setMinimumSize(800,600);
+            //    chart->axisX()->setRange(0, 1500);
+            //    chart->axisX()->setMax(1500);
+            //    chart->axisY()->setRange(0, 400);
+                    chart->axisX()->setMax(1500);
+            //        chart->
                 chart->setMinimumSize(800,600);
                 //! [3]
                 //! [4]
                 //add new data point button
                 QPushButton* addButton = new QPushButton("Add new point");
                 connect(addButton, SIGNAL(clicked()), this, SLOT(addNewPoint()));
                 // remove the last data point in the series
                 QPushButton* removeButton = new QPushButton("Remove point");
                 connect(removeButton, SIGNAL(clicked()), this, SLOT(removePoint()));
                 //! [4]
                 //! [5]
                 //butttons layout
                 QVBoxLayout* buttonsLayout = new QVBoxLayout;
                 buttonsLayout->addWidget(addButton);
                 buttonsLayout->addWidget(removeButton);
                 buttonsLayout->addStretch();
                 QGridLayout* mainLayout = new QGridLayout;
                 mainLayout->addWidget(chart, 1, 0);
                 mainLayout->addLayout(buttonsLayout, 1, 1);
                 setLayout(mainLayout);
                 //! [5]
             }
             //! [add point]
             void SplineWidget::addNewPoint()
             {
                 if (series->count() > 0)
                     series->add(QPointF(series->x(series->count() - 1) + 20 + qrand()%40, qAbs(series->y(series->count() - 1) - 50 + qrand()%100)));
                 else
                     series->add(QPointF(50, 50 + qrand()%50));
             }
             //! [add point]
             //! [remove point]
             void SplineWidget::removePoint()
             {
                 if (series->count() > 0)
                     series->remove(QPointF(series->x(series->count() - 1), series->y(series->count() - 1)));
             }
             //! [remove point]
             SplineWidget::~SplineWidget()
             {
             }

src/chartpresenter.cpp +2 0

             #include "qchart.h"
             #include "qchartaxis.h"
             #include "chartpresenter_p.h"
             #include "chartdataset_p.h"
             #include "charttheme_p.h"
             //series
             #include "qbarseries.h"
             #include "qstackedbarseries.h"
             #include "qpercentbarseries.h"
             #include "qlineseries.h"
             #include "qareaseries.h"
             #include "qpieseries.h"
             #include "qscatterseries.h"
             #include "qsplineseries.h"
             //items
             #include "axisitem_p.h"
             #include "axisanimationitem_p.h"
             #include "areachartitem_p.h"
             #include "barpresenter_p.h"
             #include "stackedbarpresenter_p.h"
             #include "percentbarpresenter_p.h"
             #include "linechartitem_p.h"
             #include "linechartanimationitem_p.h"
             #include "piepresenter_p.h"
             #include "scatterpresenter_p.h"
             #include "splinepresenter_p.h"
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             ChartPresenter::ChartPresenter(QChart* chart,ChartDataSet* dataset):QObject(chart),
                 m_chart(chart),
                 m_dataset(dataset),
                 m_chartTheme(0),
                 m_zoomIndex(0),
                 m_marginSize(0),
                 m_rect(QRectF(QPoint(0,0),m_chart->size())),
                 m_options(QChart::NoAnimation)
             {
                 createConnections();
                 setChartTheme(QChart::ChartThemeDefault);
             }
             ChartPresenter::~ChartPresenter()
             {
             }
             void ChartPresenter::createConnections()
             {
                 QObject::connect(m_chart,SIGNAL(geometryChanged()),this,SLOT(handleGeometryChanged()));
                 QObject::connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),this,SLOT(handleSeriesAdded(QSeries*,Domain*)));
                 QObject::connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),this,SLOT(handleSeriesRemoved(QSeries*)));
                 QObject::connect(m_dataset,SIGNAL(axisAdded(QChartAxis*,Domain*)),this,SLOT(handleAxisAdded(QChartAxis*,Domain*)));
                 QObject::connect(m_dataset,SIGNAL(axisRemoved(QChartAxis*)),this,SLOT(handleAxisRemoved(QChartAxis*)));
             }
             QRectF ChartPresenter::geometry() const
             {
                 return m_rect;
             }
             void ChartPresenter::handleGeometryChanged()
             {
                 QRectF rect(QPoint(0,0),m_chart->size());
                 rect.adjust(m_marginSize,m_marginSize, -m_marginSize, -m_marginSize);
                 //rewrite zoom stack
                 for(int i=0;i<m_zoomStack.count();i++){
                     QRectF r = m_zoomStack[i];
                     qreal w = rect.width()/m_rect.width();
                     qreal h = rect.height()/m_rect.height();
                     QPointF tl = r.topLeft();
                     tl.setX(tl.x()*w);
                     tl.setY(tl.y()*h);
                     QPointF br = r.bottomRight();
                     br.setX(br.x()*w);
                     br.setY(br.y()*h);
                     r.setTopLeft(tl);
                     r.setBottomRight(br);
                     m_zoomStack[i]=r;
                 }
                 m_rect = rect;
                 Q_ASSERT(m_rect.isValid());
                 emit geometryChanged(m_rect);
             }
             int ChartPresenter::margin() const
             {
                 return m_marginSize;
             }
             void ChartPresenter::setMargin(int margin)
             {
                 m_marginSize = margin;
             }
             void ChartPresenter::handleAxisAdded(QChartAxis* axis,Domain* domain)
             {
                 AxisItem* item ;
                 if(!m_options.testFlag(QChart::GridAxisAnimations))
                 {
                     item = new AxisItem(axis,axis==m_dataset->axisX()?AxisItem::X_AXIS : AxisItem::Y_AXIS,m_chart);
                 }else{
                     item = new AxisAnimationItem(axis,axis==m_dataset->axisX()?AxisItem::X_AXIS : AxisItem::Y_AXIS,m_chart);
                 }
                 if(axis==m_dataset->axisX()){
                     QObject::connect(domain,SIGNAL(rangeXChanged(qreal,qreal)),item,SLOT(handleRangeChanged(qreal,qreal)));
                     //initialize
                     item->handleRangeChanged(domain->minX(),domain->maxX());
                 }
                 else{
                     QObject::connect(domain,SIGNAL(rangeYChanged(qreal,qreal)),item,SLOT(handleRangeChanged(qreal,qreal)));
                     //initialize
                     item->handleRangeChanged(domain->minY(),domain->maxY());
                 }
                 QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
                 //initialize
                 item->handleGeometryChanged(m_rect);
                 m_chartTheme->decorate(axis,item);
                 m_axisItems.insert(axis,item);
             }
             void ChartPresenter::handleAxisRemoved(QChartAxis* axis)
             {
                 AxisItem* item = m_axisItems.take(axis);
                 Q_ASSERT(item);
                 delete item;
             }
             void ChartPresenter::handleSeriesAdded(QSeries* series,Domain* domain)
             {
                 switch(series->type())
                 {
                 case QSeries::SeriesTypeLine: {
                     QLineSeries* lineSeries = static_cast<QLineSeries*>(series);
                     LineChartItem* item;
                     if(m_options.testFlag(QChart::SeriesAnimations)){
                         item = new LineChartAnimationItem(lineSeries,m_chart);
                     }else{
                         item = new LineChartItem(lineSeries,m_chart);
                     }
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
                     QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),item,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                     //initialize
                     item->handleDomainChanged(domain->minX(),domain->maxX(),domain->minY(),domain->maxY());
                     if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
                     //decorate
                     m_chartTheme->decorate(item,lineSeries,m_chartItems.count());
                     m_chartItems.insert(series,item);
                     break;
                 }
                 case QSeries::SeriesTypeArea: {
                     QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series);
                     AreaChartItem* item;
                     if(m_options.testFlag(QChart::SeriesAnimations)) {
                         item = new AreaChartItem(areaSeries,m_chart);
                     }
                     else {
                         item = new AreaChartItem(areaSeries,m_chart);
                     }
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
                     QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),item,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                     //initialize
                      item->handleDomainChanged(domain->minX(),domain->maxX(),domain->minY(),domain->maxY());
                      if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
                      //decorate
                     m_chartTheme->decorate(item,areaSeries,m_chartItems.count());
                     m_chartItems.insert(series,item);
                     break;
                 }
                 case QSeries::SeriesTypeBar: {
                     QBarSeries* barSeries = static_cast<QBarSeries*>(series);
                     BarPresenter* item = new BarPresenter(barSeries,m_chart);
                     m_chartTheme->decorate(item,barSeries,m_chartItems.count());
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
                     //            QObject::connect(barSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
                     m_chartItems.insert(series,item);
                     // m_axisXItem->setVisible(false);
                     if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
                     break;
                 }
                 case QSeries::SeriesTypeStackedBar: {
                     QStackedBarSeries* stackedBarSeries = static_cast<QStackedBarSeries*>(series);
                     StackedBarPresenter* item = new StackedBarPresenter(stackedBarSeries,m_chart);
                     m_chartTheme->decorate(item,stackedBarSeries,m_chartItems.count());
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
                     //            QObject::connect(stackedBarSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
                     m_chartItems.insert(series,item);
                     if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
                     break;
                 }
                 case QSeries::SeriesTypePercentBar: {
                     QPercentBarSeries* percentBarSeries = static_cast<QPercentBarSeries*>(series);
                     PercentBarPresenter* item = new PercentBarPresenter(percentBarSeries,m_chart);
                     m_chartTheme->decorate(item,percentBarSeries ,m_chartItems.count());
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
                     //            QObject::connect(percentBarSeries,SIGNAL(changed(int)),item,SLOT(handleModelChanged(int)));
                     m_chartItems.insert(series,item);
                     if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
                     break;
                 }
                 case QSeries::SeriesTypeScatter: {
                     QScatterSeries *scatterSeries = qobject_cast<QScatterSeries *>(series);
                     ScatterPresenter *scatterPresenter = new ScatterPresenter(scatterSeries, m_chart);
                     QObject::connect(scatterPresenter, SIGNAL(clicked(QPointF)),
                                      scatterSeries, SIGNAL(clicked(QPointF)));
                     QObject::connect(this, SIGNAL(geometryChanged(const QRectF&)),
                                      scatterPresenter, SLOT(handleGeometryChanged(const QRectF&)));
                     m_chartTheme->decorate(scatterPresenter, scatterSeries, m_chartItems.count());
                     m_chartItems.insert(scatterSeries, scatterPresenter);
                     if(m_rect.isValid()) scatterPresenter->handleGeometryChanged(m_rect);
                     break;
                 }
                 case QSeries::SeriesTypePie: {
                     QPieSeries *s = qobject_cast<QPieSeries *>(series);
                     PiePresenter* pie = new PiePresenter(m_chart, s);
                     m_chartTheme->decorate(pie, s, m_chartItems.count());
                     QObject::connect(this, SIGNAL(geometryChanged(const QRectF&)), pie, SLOT(handleGeometryChanged(const QRectF&)));
                     // Hide all from background when there is only piechart
                     // TODO: refactor this ugly code... should be one setting for this
                     if (m_chartItems.count() == 0) {
                         m_chart->axisX()->setAxisVisible(false);
                         m_chart->axisY()->setAxisVisible(false);
                         m_chart->axisX()->setGridVisible(false);
                         m_chart->axisY()->setGridVisible(false);
                         m_chart->axisX()->setLabelsVisible(false);
                         m_chart->axisY()->setLabelsVisible(false);
                         m_chart->axisX()->setShadesVisible(false);
                         m_chart->axisY()->setShadesVisible(false);
                         m_chart->setChartBackgroundBrush(Qt::transparent);
                     }
                     m_chartItems.insert(series, pie);
                     pie->handleGeometryChanged(m_rect);
                     break;
                 }
                 case QSeries::SeriesTypeSpline: {
                     QSplineSeries* splineSeries = qobject_cast<QSplineSeries*>(series);
                     SplinePresenter* splinePresenter = new SplinePresenter(splineSeries, m_chart);
                     QObject::connect(this, SIGNAL(geometryChanged(const QRectF&)), splinePresenter, SLOT(handleGeometryChanged(const QRectF&)));
+                    //initialize
+                    splinePresenter->handleDomainChanged(domain->minX(),domain->maxX(),domain->minY(),domain->maxY());
                     m_chartTheme->decorate(splinePresenter, splineSeries, m_chartItems.count());
                     m_chartItems.insert(splineSeries, splinePresenter);
                     break;
                 }
                 default: {
                     qDebug()<< "Series type" << series->type() << "not implemented.";
                     break;
                 }
                 }
                 zoomReset();
             }
             void ChartPresenter::handleSeriesRemoved(QSeries* series)
             {
                 ChartItem* item = m_chartItems.take(series);
                 delete item;
             }
             void ChartPresenter::setChartTheme(QChart::ChartTheme theme)
             {
                 delete m_chartTheme;
                 m_chartTheme = ChartTheme::createTheme(theme);
                 m_chartTheme->decorate(m_chart);
                 QMapIterator<QSeries*,ChartItem*> i(m_chartItems);
                 int index=0;
                 while (i.hasNext()) {
                     i.next();
                     m_chartTheme->decorate(i.value(),i.key(),index);
                     index++;
                 }
                 QMapIterator<QChartAxis*,AxisItem*> j(m_axisItems);
                 while (j.hasNext()) {
                     j.next();
                     m_chartTheme->decorate(j.key(),j.value());
                 }
             }
             QChart::ChartTheme ChartPresenter::chartTheme()
             {
                 return m_chartTheme->id();
             }
             void ChartPresenter::setAnimationOptions(QChart::AnimationOptions options)
             {
                 if(m_options!=options) {
                     m_options=options;
                     //recreate elements
                     QList<QChartAxis*> axisList = m_axisItems.uniqueKeys();
                     QList<QSeries*> seriesList = m_chartItems.uniqueKeys();
                     foreach(QChartAxis* axis, axisList) {
                         handleAxisRemoved(axis);
                         handleAxisAdded(axis,m_dataset->domain(axis));
                     }
                     foreach(QSeries* series, seriesList) {
                         handleSeriesRemoved(series);
                         handleSeriesAdded(series,m_dataset->domain(series));
                     }
                 }
             }
             void ChartPresenter::zoomIn()
             {
             	QRectF rect = geometry();
             	rect.setWidth(rect.width()/2);
             	rect.setHeight(rect.height()/2);
             	rect.moveCenter(geometry().center());
             	zoomIn(rect);
             }
             void ChartPresenter::zoomIn(const QRectF& rect)
             {
             	QRectF r = rect.normalized();
             	r.translate(-m_marginSize, -m_marginSize);
             	m_dataset->zoomInDomain(r,geometry().size());
             	m_zoomStack<<r;
             	m_zoomIndex++;
             }
             void ChartPresenter::zoomOut()
             {
             	if(m_zoomIndex==0) return;
             	m_dataset->zoomOutDomain(m_zoomStack[m_zoomIndex-1],geometry().size());
             	m_zoomIndex--;
             	m_zoomStack.resize(m_zoomIndex);
             }
             void ChartPresenter::zoomReset()
             {
                 m_zoomIndex=0;
                 m_zoomStack.resize(m_zoomIndex);
             }
             QChart::AnimationOptions ChartPresenter::animationOptions() const
             {
                 return m_options;
             }
             #include "moc_chartpresenter_p.cpp"
             QTCOMMERCIALCHART_END_NAMESPACE

src/splinechart/splinepresenter.cpp +1 -1

             #include "splinepresenter_p.h"
             #include <QPainter>
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             SplinePresenter::SplinePresenter(QSplineSeries* series, QGraphicsObject *parent) :
                 LineChartItem(series, parent)//,m_boundingRect()
             {
                 //
             }
             QPointF SplinePresenter::calculateGeometryControlPoint(int index) const
             {
                 QSplineSeries* splineSeries = qobject_cast<QSplineSeries*>(m_series);
                 const qreal deltaX = m_size.width()/(m_maxX-m_minX);
                 const qreal deltaY = m_size.height()/(m_maxY-m_minY);
                 qreal x = (splineSeries->controlPoint(index).x() - m_minX)* deltaX;
                 qreal y = (splineSeries->controlPoint(index).y() - m_minY)*-deltaY + m_size.height();
                 return QPointF(x,y);
             }
             void SplinePresenter::applyGeometry(QVector<QPointF>& points)
             {
                 if(points.size()==0) return;
                 QPainterPath splinePath;
                 const QPointF& point = points.at(0);
                 splinePath.moveTo(point);
             //    QSplineSeries* splineSeries = qobject_cast<QSplineSeries*>(m_series);
                 for (int i = 0; i < points.size() - 1; i++)
                 {
                     const QPointF& point = points.at(i + 1);
                     splinePath.cubicTo(calculateGeometryControlPoint(2 * i), calculateGeometryControlPoint(2 * i + 1), point);
                 }
                 prepareGeometryChange();
                 m_path = splinePath;
                 m_rect = splinePath.boundingRect();
             }
             void SplinePresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
             {
                 Q_UNUSED(widget);
                 Q_UNUSED(option);
                 painter->save();
                 painter->setPen(m_pen);
                 painter->setClipRect(m_clipRect);
                 painter->drawPath(m_path);
                 QSplineSeries* splineSeries = qobject_cast<QSplineSeries*>(m_series);
-                for (int i = 0; i < splineSeries->count() - 1; i++)
+                for (int i = 0; i < m_points.size() - 1; i++)
                 {
                     painter->setPen(Qt::red);
                     painter->drawEllipse(m_points[i], 2, 2);
                     painter->setPen(Qt::blue);
                     //        painter->drawLine(m_series->at(i), m_series->controlPoint(2 * i));
                     //        painter->drawLine(m_series->at(i + 1), m_series->controlPoint(2 * i + 1));
                     //        painter->drawEllipse(calculateGeometryControlPoint(2 * i), 4, 4);
                     //        painter->drawEllipse(calculateGeometryControlPoint(2 * i + 1), 4, 4);
                 }
                 if (m_points.count() > 0)
                 {
                     painter->setPen(Qt::red);
                     painter->drawEllipse(m_points[m_points.count() - 1], 2, 2);
                 }
                 painter->restore();
             }
             #include "moc_splinepresenter_p.cpp"
             QTCOMMERCIALCHART_END_NAMESPACE

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