src/TransferWidget.hpp

#ifndef TRANSFORMWIDGET_HPP_
#define TRANSFORMWIDGET_HPP_

#include <QGraphicsView>
#include <QGraphicsScene>
#include <QPainterPath>
#include <QList>

#include "TransferPoint.hpp"

class TransferWidget : public QGraphicsView
{
        Q_OBJECT

public:

        TransferWidget(QWidget *parent);

        void redrawScene();

        float *getTransferValues();

        float *getTransferControlValues();

        int getNumPoints();

        void clear();

        void setNewRGBXY(float _red, float _green, float _blue, float _x, float _y);

        void resizeEvent(QResizeEvent *event);

        static TransferWidget getTransferWidget();

        void removePoint(TransferPoint *_pnt);

signals:
        void transferChanged();

private:
        QGraphicsScene *scene;
        QGraphicsPathItem *background;
        QList<QGraphicsLineItem *> lines;
        QList<TransferPoint *> points;

        void fillBackground();
        
        void mousePressEvent(QMouseEvent *event);

        void mouseMoveEvent(QMouseEvent *event);
};

#endif /* TRANSFORMWIDGET_HPP_ */