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#ifndef SCATTERPLOT_H
#define SCATTERPLOT_H
#include <armadillo>
#include <QtQuick>
#include "colorscale.h"
class Scatterplot : public QQuickItem
{
Q_OBJECT
public:
Scatterplot(QQuickItem *parent = 0);
~Scatterplot();
signals:
void dataChanged(const arma::mat &data);
public slots:
void setData(const arma::mat &data);
protected:
QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *);
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
private:
QSGNode *newGlyphNodeTree();
bool selectGlyphs(bool mergeSelection);
void updateData();
float fromDataXToScreenX(float x);
float fromDataYToScreenY(float y);
arma::mat m_data;
float m_xmin, m_xmax, m_ymin, m_ymax;
ColorScale m_colorScale;
enum InteractionState {
INTERACTION_NONE,
INTERACTION_SELECTING,
INTERACTION_SELECTED,
INTERACTION_MOVING
} m_currentState;
QPointF m_dragOriginPos, m_dragCurrentPos;
QSet<int> m_selectedGlyphs;
};
#endif // SCATTERPLOT_H
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