|
|
#ifndef XYLINECHARTITEM_H
|
|
|
#define XYLINECHARTITEM_H
|
|
|
|
|
|
#include "qchartglobal.h"
|
|
|
#include "chartitem_p.h"
|
|
|
#include <QPen>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
class ChartPresenter;
|
|
|
class QXYChartSeries;
|
|
|
class LineChartAnimationItem;
|
|
|
|
|
|
class XYLineChartItem : public QObject , public ChartItem
|
|
|
{
|
|
|
Q_OBJECT
|
|
|
public:
|
|
|
XYLineChartItem(ChartPresenter* presenter, QXYChartSeries* series,QGraphicsItem *parent = 0);
|
|
|
~ XYLineChartItem(){};
|
|
|
|
|
|
//from QGraphicsItem
|
|
|
QRectF boundingRect() const;
|
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
|
|
|
QPainterPath shape() const;
|
|
|
|
|
|
|
|
|
void setPen(const QPen& pen);
|
|
|
|
|
|
//from ChartItem
|
|
|
void setSize(const QSizeF& size){};
|
|
|
void setPlotDomain(const PlotDomain& data){};
|
|
|
|
|
|
|
|
|
const Domain& domain() const { return m_domain;}
|
|
|
|
|
|
virtual void addPoint(const QPointF& );
|
|
|
virtual void addPoints(const QVector<QPointF>& points);
|
|
|
virtual void removePoint(const QPointF& point);
|
|
|
virtual void setPoint(const QPointF& oldPoint, const QPointF& newPoint);
|
|
|
virtual void setPoint(int index,const QPointF& point);
|
|
|
void clear();
|
|
|
void clearView();
|
|
|
int count() const { return m_data.size();}
|
|
|
|
|
|
const QVector<QPointF>& points(){ return m_data;}
|
|
|
|
|
|
protected:
|
|
|
virtual void updateGeometry();
|
|
|
virtual void updateData();
|
|
|
virtual void updateDomain();
|
|
|
//refactor
|
|
|
void calculatePoint(QPointF& point, int index, const QXYChartSeries* series,const QSizeF& size, const Domain& domain) const;
|
|
|
void calculatePoints(QVector<QPointF>& points,QHash<int,int>& hash,const QXYChartSeries* series, const QSizeF& size, const Domain& domain) const;
|
|
|
|
|
|
protected slots:
|
|
|
void handleModelChanged(int index);
|
|
|
void handleDomainChanged(const Domain& domain);
|
|
|
void handleGeometryChanged(const QRectF& size);
|
|
|
|
|
|
private:
|
|
|
ChartPresenter* m_presenter;
|
|
|
QPainterPath m_path;
|
|
|
QSizeF m_size;
|
|
|
QRectF m_rect;
|
|
|
Domain m_domain;
|
|
|
QList<QGraphicsItem*> m_points;
|
|
|
QVector<QPointF> m_data;
|
|
|
QHash<int,int> m_hash;
|
|
|
QXYChartSeries* m_series;
|
|
|
QPen m_pen;
|
|
|
bool m_dirtyData;
|
|
|
bool m_dirtyGeometry;
|
|
|
bool m_dirtyDomain;
|
|
|
|
|
|
};
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
|
|
#endif
|
|
|
|
