#include <QPainter>
#include "previewpolyline.h"

Previewpolyline::Previewpolyline(QWidget *parent) :
    QWidget(parent)
{    

}

void Previewpolyline::paintEvent(QPaintEvent *event)
{
    static const QPoint points[5] =
    {
        QPoint(10,10),
        QPoint(20,20),
        QPoint(30,10),
        QPoint(40,35),
        QPoint(50,20)
    };

    QPainter painter(this);
    painter.setPen(pen);

    painter.drawPolyline(points, 5);

    painter.restore();
}