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#include "splinepresenter_p.h"
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#include <QPainter>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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SplinePresenter::SplinePresenter(QSplineSeries* series, QGraphicsObject *parent) :
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LineChartItem(0, series, parent)//,m_boundingRect()
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{
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// if (parent)
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// m_boundingRect = parent->boundingRect();
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// else
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// m_boundingRect = QRectF(10,50, 250, 250);
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}
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//void SplinePresenter::handleGeometryChanged(const QRectF&)
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//{
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// update();
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//}
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//void SplinePresenter::handleDomainChanged(const Domain& domain)
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//{
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// //
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//}
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QPointF SplinePresenter::calculateGeometryControlPoint(int index) const
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{
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QSplineSeries* splineSeries = qobject_cast<QSplineSeries*>(m_series);
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const qreal deltaX = m_size.width()/m_domain.spanX();
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const qreal deltaY = m_size.height()/m_domain.spanY();
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qreal x = (splineSeries->controlPoint(index).x() - m_domain.m_minX)* deltaX;
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qreal y = (splineSeries->controlPoint(index).y() - m_domain.m_minY)*-deltaY + m_size.height();
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return QPointF(x,y);
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}
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void SplinePresenter::applyGeometry(QVector<QPointF>& points)
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{
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if(points.size()==0) return;
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// QList<QGraphicsItem*> items = m_items.childItems();
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QPainterPath splinePath;
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const QPointF& point = points.at(0);
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splinePath.moveTo(point);
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// QGraphicsItem* item = items.at(0);
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// item->setPos(point.x()-1,point.y()-1);
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// if(!m_clipRect.contains(point)) item->setVisible(false);
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QSplineSeries* splineSeries = qobject_cast<QSplineSeries*>(m_series);
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for (int i = 0; i < splineSeries->count() - 1; i++)
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{
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const QPointF& point = points.at(i + 1);
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// painter->setPen(Qt::red);
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// splinePath.cubicTo(qobject_cast<QSplineSeries*>(m_series)->controlPoint(2 * i), qobject_cast<QSplineSeries*>(m_series)->controlPoint(2 * i + 1), QPointF(m_series->x(i + 1), m_series->y(i + 1)));
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splinePath.cubicTo(calculateGeometryControlPoint(2 * i), calculateGeometryControlPoint(2 * i + 1), point);
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// painter->drawEllipse(m_series->at(i), 4, 4);
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// painter->setPen(Qt::blue);
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// painter->drawLine(m_series->at(i), m_series->controlPoint(2 * i));
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// painter->drawLine(m_series->at(i + 1), m_series->controlPoint(2 * i + 1));
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// painter->drawEllipse(m_series->controlPoint(2 * i), 4, 4);
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// painter->drawEllipse(m_series->controlPoint(2 * i + 1), 4, 4);
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}
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// for(int i=1 ; i< points.size();i++) {
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// QGraphicsItem* item = items.at(i);
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// const QPointF& point = points.at(i);
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// item->setPos(point.x()-1,point.y()-1);
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// if(!m_clipRect.contains(point)) item->setVisible(false);
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// path.lineTo(point);
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// }
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prepareGeometryChange();
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m_path = splinePath;
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m_rect = splinePath.boundingRect();
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}
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//void SplinePresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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//{
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// Q_UNUSED(widget);
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// Q_UNUSED(option);
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// painter->save();
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// painter->setPen(Qt::SolidLine);
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// QPainterPath splinePath;
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// splinePath.moveTo(m_series->at(0));
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// for (int i = 0; i < m_series->count() - 1; i++)
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// {
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// painter->setPen(Qt::red);
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// splinePath.cubicTo(m_series->controlPoint(2 * i), m_series->controlPoint(2 * i + 1), m_series->at(i + 1));
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// painter->drawEllipse(m_series->at(i), 4, 4);
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// painter->setPen(Qt::blue);
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// painter->drawLine(m_series->at(i), m_series->controlPoint(2 * i));
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// painter->drawLine(m_series->at(i + 1), m_series->controlPoint(2 * i + 1));
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// painter->drawEllipse(m_series->controlPoint(2 * i), 4, 4);
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// painter->drawEllipse(m_series->controlPoint(2 * i + 1), 4, 4);
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// }
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// painter->setPen(Qt::red);
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// painter->drawPath(splinePath);
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// painter->restore();
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//}
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#include "moc_splinepresenter_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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