##// END OF EJS Templates
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splinepresenter.cpp
72 lines | 1.9 KiB | text/x-c | CppLexer
#include "splinepresenter_p.h"
#include <QPainter>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
SplinePresenter::SplinePresenter(QSplineSeries* series, QGraphicsObject *parent) :
LineChartItem(this, parent),m_series(series)//,m_boundingRect()
{
// if (parent)
// m_boundingRect = parent->boundingRect();
// else
// m_boundingRect = QRectF(10,50, 250, 250);
}
//void SplinePresenter::handleGeometryChanged(const QRectF&)
//{
// update();
//}
//void SplinePresenter::handleDomainChanged(const Domain& domain)
//{
// //
//}
void SplinePresenter::updateGeometry()
{
if(m_data.size()==0) return;
prepareGeometryChange();
QPainterPath path;
const QPointF& point = m_data.at(0);
path.moveTo(point);
foreach( const QPointF& point , m_data) {
path.lineTo(point);
}
m_path = path;
m_rect = path.boundingRect();
}
//void SplinePresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
//{
// Q_UNUSED(widget);
// Q_UNUSED(option);
// painter->save();
// painter->setPen(Qt::SolidLine);
// QPainterPath splinePath;
// splinePath.moveTo(m_series->at(0));
// for (int i = 0; i < m_series->count() - 1; i++)
// {
// painter->setPen(Qt::red);
// splinePath.cubicTo(m_series->controlPoint(2 * i), m_series->controlPoint(2 * i + 1), m_series->at(i + 1));
// painter->drawEllipse(m_series->at(i), 4, 4);
// 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(m_series->controlPoint(2 * i), 4, 4);
// painter->drawEllipse(m_series->controlPoint(2 * i + 1), 4, 4);
// }
// painter->setPen(Qt::red);
// painter->drawPath(splinePath);
// painter->restore();
//}
#include "moc_splinepresenter_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE