rectangle.cpp


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#include "rectangle.h"

Rectangle::Rectangle()
    : Line()
{

}

bool Rectangle::isHit(const QPoint &clickPoint)
{
    QVector3D a(p2() - p1());
    QVector3D r1(p1());

    QVector3D rq(clickPoint);

    float dist = rq.distanceToLine(r1, a.normalized());

    return  dist < 5;
}

void Rectangle::draw(QPainter *painter)
{
    if (m_selected)
    {
        QPen penTemp(Qt::DotLine);
        penTemp.setColor(Qt::red);
        painter->setPen(penTemp);

        painter->drawEllipse(p1(), 5, 5);
        painter->drawEllipse(QPoint(p1().rx() + (p2().rx() - p1().rx()), p1().ry()), 5, 5);
        painter->drawEllipse(QPoint(p1().rx(), p1().ry() + (p2().ry() - p1().ry())), 5, 5);
        painter->drawEllipse(p2(), 5, 5);
    }
    else
    {
        QPen penNormal(Qt::SolidLine);
        penNormal.setColor(Qt::black);
        painter->setPen(penNormal);
    }

    painter->drawRect(QRect(p1(), p2()));
}