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#include "ellipse.h"
Ellipse::Ellipse()
{
}
bool Ellipse::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 Ellipse::draw(QPainter *painter)
{
if (m_selected)
{
QPen penTemp(Qt::DotLine);
penTemp.setColor(Qt::red);
painter->setPen(penTemp);
painter->drawEllipse(QPoint(p1().rx() - (p2().rx() - p1().rx()), p1().ry()), 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(QPoint(p1().rx(), p1().ry() - (p2().ry() - p1().ry())), 5, 5);
}
else
{
QPen penNormal(Qt::SolidLine);
penNormal.setColor(Qt::black);
painter->setPen(penNormal);
}
painter->drawEllipse(p1(), p2().rx() - p1().rx(), p2().ry() - p1().ry());
}
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