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// SPDX-License-Identifier: GPL-2.0+
/*******************************************************************************
* QtMips - MIPS 32-bit Architecture Subset Simulator
*
* Implemented to support following courses:
*
* B35APO - Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b35apo
*
* B4M35PAP - Advanced Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
*
* Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
* Copyright (c) 2019 Pavel Pisa <pisa@cmp.felk.cvut.cz>
*
* Faculty of Electrical Engineering (http://www.fel.cvut.cz)
* Czech Technical University (http://www.cvut.cz/)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
******************************************************************************/
#include "alu.h"
#include <cmath>
//////////////////////
#define WIDTH 25
#define HEIGHT 90
#define DENT 10
#define PENW 1
//////////////////////
coreview::Alu::Alu() : QGraphicsItem(nullptr), name("ALU", this) {
name.setPos(3, 25);
QFont font;
font.setPointSize(7);
name.setFont(font);
con_in_a = new Connector(Connector::AX_X);
con_in_b = new Connector(Connector::AX_X);
con_out = new Connector(Connector::AX_X);
con_ctl = new Connector(Connector::AX_Y);
setPos(x(), y()); // set connector's position
}
QRectF coreview::Alu::boundingRect() const {
return QRectF(-PENW / 2, -PENW / 2, WIDTH + PENW, HEIGHT + PENW);
}
void coreview::Alu::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 coreview::Alu::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);
con_ctl->setPos(x + WIDTH/2, y + (WIDTH/2));
}
const coreview::Connector *coreview::Alu::connector_in_a() const {
return con_in_a;
}
const coreview::Connector *coreview::Alu::connector_in_b() const {
return con_in_b;
}
const coreview::Connector *coreview::Alu::connector_out() const {
return con_out;
}
const coreview::Connector *coreview::Alu::connector_ctl() const {
return con_ctl;
}
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