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radar.cpp
176 lines (150 loc) · 4.84 KB
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radar.cpp
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#include <QPaintEvent>
#include "radar.h"
#include <math.h>
#include <QBrush>
#include <QColor>
#include <QPen>
#include <QDebug>
#include <math.h>
#include <QMetaMethod>
#include <QTime>
#include <QFile>
Radar::Radar(QWidget *parent) : QWidget(parent), sprite(":/resources/images/sprite-icons.png")
{
RadarRange = 150;
draw_cout=0;
background=NULL;
d = (this->width() > this->height()) ? this->width() : this->height();
offset = 18;
icon_width = 34;
icon_height = 34;
hit_x = icon_width / 2.0;
hit_y = icon_height / 2.0;
selectedIcao = 0;
}
Radar::~Radar()
{
delete background;
}
double Radar::getX(double L)
{
return (d/2)+d/2*sin(D2R(L));
}
double Radar::getY(double L)
{
return (d/2)-d/2*cos(D2R(L));
}
void Radar::paintEvent(QPaintEvent *event) {
d = ((this->width() > this->height()) ? this->height() : this->width()) - 2 * offset;
QPainter painter;
int new_range = settings.value("Radar_Range").toInt();
if (new_range != RadarRange)
RadarRange = new_range;
if (background != NULL && (background->width() != this->width() || background->height() != this->height())) {
delete background;
background = NULL;
}
if (background == NULL) {
drawRadarToBackground(painter);
}
painter.begin(this);
painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
painter.drawPixmap(0, 0, *background);
PrintPlanes(painter);
painter.end();
event->accept();
}
void Radar::drawRadarToBackground(QPainter &painter) {
double step = d/5;
background = new QPixmap(this->width(), this->height());
painter.begin(background);
painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
painter.fillRect(background->rect(), Qt::darkCyan);
QPen pen;
pen.setWidthF(0.8);
pen.setColor(QColor(10,50,10,224));
painter.setPen(pen);
painter.setBrush(QColor(1,182,5,100));
painter.setRenderHint(QPainter::Antialiasing, true);
for (int i=0; i<5; i++) {
painter.drawEllipse(offset+step/2*i, offset+step/2*i, d-i*step, d-i*step);
}
const QChar deg(0xB0);
for (int i=0, step=30, end=(360/step/2); i < end; i++) {
int d_start = i * step;
int d_end = d_start + 180;
double x1 = offset + getX(d_start);
double y1 = offset + getY(d_start);
double x2 = offset + getX(d_end);
double y2 = offset + getY(d_end);
painter.setRenderHint(QPainter::Antialiasing, (d_start % 90)); // Спира Antialiasing за всяка линя кратна на 90 градуса
painter.drawLine(x1, y1, x2, y2);
painter.drawText(QPointF(x1, y1), QString::number(d_start) + deg);
painter.drawText(QPointF(x2, y2), QString::number(d_end) + deg);
}
int r=d/2;
for (int i=1; i<=4; i++){
int RangeStep = RadarRange/5;
painter.drawText(r+step/2*i+offset, r+offset, QString::number(RangeStep*i));
}
painter.end();
}
void Radar::setSources(Aircrafts aircraftsts)
{
Acs.clear();
Acs = aircraftsts;
this->update();
}
void Radar::PrintPlanes(QPainter &painter)
{
int row = 1;
int col = 0;
for (AConstIterator iter = Acs.begin(), end = Acs.end(); iter != end; iter ++)
{
qDebug("print");
row = 1;
col = (int)(iter.value().Heading / 11.25);
if (iter.key() == selectedIcao)
{
QPen pen;
pen.setColor(QColor(180, 200, 0));
pen.setWidthF(2);
painter.setBrush(QColor(0, 0, 0, 50));
painter.setPen(pen);
painter.setRenderHint(QPainter::Antialiasing, true);
painter.drawEllipse(QPointF(iter.value().r_x, iter.value().r_y), 19, 19);
painter.setRenderHint(QPainter::Antialiasing, false);
row = 0;
}
painter.drawPixmap(iter.value().r_x - 17, iter.value().r_y - 17, icon_width, icon_height,
sprite,
col * icon_width, row * icon_height, icon_width, icon_height);
}
}
void Radar::mousePressEvent(QMouseEvent *event)
{
qDebug("dddd");
if (Acs.isEmpty()){
return;
}
hit_iterator = hitTest(event->pos());
if (hit_iterator != Acs.cend() && selectedIcao != hit_iterator.key() ) {
selectedIcao = hit_iterator.key();
//emit planeSelected(hit_iterator); send the info about the plane to the mainwindows
this->update();
}
event->accept();
}
AConstIterator Radar::hitTest(QPoint p)
{
if (!Acs.isEmpty()) {
for (AConstIterator iter=Acs.cbegin(), end = Acs.cend(); iter != end; iter++) {
int dx = abs(iter.value().r_x - p.x());
int dy = abs(iter.value().r_y - p.y());
if (dx <= hit_x && dy <= hit_y) {
return iter;
}
}
}
return Acs.cend();
}