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#include "adder.h"
#include <cmath>
using namespace coreview;
//////////////////////
#define WIDTH 13
#define HEIGHT 40
#define DENT 3
#define PENW 1
//////////////////////
Adder::Adder() : QGraphicsItem(nullptr), plus("+", this) {
QFont font;
font.setPointSize(7);
plus.setFont(font);
QRectF plus_box = plus.boundingRect();
plus.setPos(DENT + (WIDTH-DENT)/2 - plus_box.width()/2, HEIGHT/2 - plus_box.height()/2);
con_in_a = new Connector(Connector::AX_X);
con_in_b = new Connector(Connector::AX_X);
con_out = new Connector(Connector::AX_X);
setPos(x(), y()); // set connector's position
}
Adder::~Adder() {
delete con_in_a;
delete con_in_b;
delete con_out;
}
QRectF Adder::boundingRect() const {
return QRectF(-PENW / 2, -PENW / 2, WIDTH + PENW, HEIGHT + PENW);
}
void Adder::paint(QPainter *painter, const QStyleOptionGraphicsItem *option __attribute__((unused)), QWidget *widget __attribute__((unused))) {
const QPointF poly[] = {
QPointF(0, 0),
QPointF(WIDTH, WIDTH),
QPointF(WIDTH, HEIGHT - WIDTH),
QPointF(0, HEIGHT),
QPointF(0, (HEIGHT/2) + DENT),
QPointF(DENT, HEIGHT / 2),
QPointF(0, (HEIGHT / 2) - DENT)
};
painter->drawPolygon(poly, sizeof(poly) / sizeof(QPointF));
}
void Adder::setPos(qreal x, qreal y) {
QGraphicsItem::setPos(x, y);
qreal off = ((HEIGHT/2) - DENT) / 2;
con_in_a->setPos(x, y + off);
con_in_b->setPos(x, y + HEIGHT - off);
con_out->setPos(x + WIDTH, y + HEIGHT/2);
}
const Connector *Adder::connector_in_a() const {
return con_in_a;
}
const Connector *Adder::connector_in_b() const {
return con_in_b;
}
const Connector *Adder::connector_out() const {
return con_out;
}
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