#include "gcross.h"

gCross::gCross(qreal px, qreal py)
{
    x = px;
    y = py;
    dim=5;
    col = QColor(Qt::lightGray);

}

gCross::gCross(QPointF p)
{
    x = p.x();
    y = p.y();
    dim=5;
    col = QColor(Qt::lightGray);

}


QRectF gCross::boundingRect() const
{
    qreal d = dim;

    return QRectF(x-d, y-d, 2*d, 2*d);
}


void gCross::setColor(QColor c)
{
    if (col!=c) {
        prepareGeometryChange();
        col = c;
    }
}

void gCross::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    qreal d = dim;
    painter->setPen(QPen(col));
    QPointF p1(x-d, y-d);
    QPointF p2(x+d, y+d);
    QPointF p3(x-d, y+d);
    QPointF p4(x+d, y-d);

    painter->drawLine(p1, p2);
    painter->drawLine(p3, p4);

}

void gCross::setPos(QPointF p)
{
    qreal px, py;
    px= p.x(); py= p.y();

    if ((x!=px)||(y!=py) )  {
        prepareGeometryChange();
        x=px; y=py;
    }
}


void gCross::setSize(qreal d)
{

    if (dim!=d)  {
        prepareGeometryChange();
        dim=d;
    }
}