SpNode.cpp

#include "SpNode.h"

using namespace std;

SpNode::SpNode(QPointF pos, QPointF tan_1, QPointF tan_2){
	radius = 7;
	position = pos;		
	lef = new SpHook(tan_1,1);
	rig = new SpHook(tan_2,2);	
	this->addToGroup(lef);
	this->addToGroup(rig);
	this->setPos(position);
	color = Qt::red;
}

SpNode::~SpNode(){
	
}

QRectF SpNode::boundingRect() const{
	return QRectF(0, 0, 10, 10);
}
void SpNode::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget){
	painter->setRenderHint(QPainter::Antialiasing);
	
        painter->setBrush(Qt::black);
        painter->drawLine(QPointF(0,0), lef->GetPosition());
        painter->drawLine(QPointF(0,0), rig->GetPosition());
        
        painter->setBrush(color);
        painter->drawEllipse(-radius/2, -radius/2, radius, radius);
}

QPointF SpNode::GetPosition(){
	return position;
}

void SpNode::SetPosition(QPointF pos){
	position = pos;
}

SpHook * SpNode::getLef(){
	return lef;
}

SpHook * SpNode::getRig(){
	return rig;
}

void SpNode::mouseHoverEvent(QGraphicsSceneMouseEvent * event){
	color = Qt::yellow;
}
void SpNode::mouseLeaveEvent(QGraphicsSceneMouseEvent * event){
	color = Qt::red;
}