graph.h

#ifndef GRAPH_H
#define GRAPH_H
//This is used for draw thick line
//is deprecated and will be removed
#include <QGraphicsScene>
#include <math.h>

QGraphicsItem * imagelinethick(QGraphicsScene * image, \
                    float x1, float y1,
                    float x2, float y2,
                    int thick);
float max (float x1, float x2);
float min (float x1, float x2);
float round (float x);

#endif // GRAPH_H