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#include <QApplication>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QQmlApplicationEngine>
#include <QQmlContext>
#include <QtConcurrent/QtConcurrentRun>
#include <QTimer>
#include <iostream>
#include "QmlCustomPlot.h"
// #include <execution>
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QQmlApplicationEngine engine;
qmlRegisterType<QmlCustomPlot>("QmlCustomPlot", 1, 0, "QmlCustomPlot");
auto plot = new QCustomPlot();
plot->setOpenGl(true);
engine.rootContext()->setContextProperty("myPlot", plot);
engine.rootContext()->setContextProperty("max_diff", 0.0);
engine.rootContext()->setContextProperty("avg_diff", 0.0);
engine.rootContext()->setContextProperty("median_diff", 0.0);
QVector<qreal> x_profile;
QVector<qreal> y_profile;
QVector<qreal> prev_y_profile;
for(int x = -640; x < 640; ++x)
{
double y = double(QRandomGenerator::global()->bounded(0, 80000)) / 100.;
x_profile << x;
y_profile << y;
}
prev_y_profile = y_profile;
auto graph = plot->addGraph();
graph->setPen(QPen(QBrush(Qt::red), 2));
graph->setLineStyle(QCPGraph::lsNone);
graph->setScatterStyle(QCPScatterStyle::ssDot);
graph->setData(x_profile, y_profile);
QNetworkRequest request(QUrl("http://rpi5:8081/v1/pixels"));
auto manager = new QNetworkAccessManager(&app);
QTimer pixelsAutoRestartTimer(&app);
pixelsAutoRestartTimer.setInterval(500);
pixelsAutoRestartTimer.setSingleShot(false);
QObject::connect(&pixelsAutoRestartTimer, &QTimer::timeout,
[&](){
manager->get(request);
});
QObject::connect(manager, &QNetworkAccessManager::finished, [&](QNetworkReply *reply) {
// qDebug() << "replyFinished";
if (reply->error()) {
qDebug() << "replyFinished:" << reply->errorString();
reply->deleteLater();
return;
}
auto json = QJsonDocument::fromJson(reply->readAll())
.object();
auto jsonPixels = json["pixels"].toArray();
auto encoderPosition = json["encoderPosition"].toInteger();
auto measurementCounter = json["measurementCounter"].toInteger();
auto timestampUs = json["timestampUs"].toInteger();
// y_profile.clear();
for (int i = 0; i < jsonPixels.count(); ++i) {
y_profile[i] = jsonPixels.at(i).toDouble();
}
QVector<qreal> y_diff(y_profile.count());
qreal max_diff { 0. };
qreal min_diff { 1000000. };
size_t max_diff_idx = 0;
size_t min_diff_idx = 0;
qreal avg_diff { 0. };
for (size_t i = 0; i < y_profile.count(); ++i) {
y_diff[i] = y_profile.at(i) - prev_y_profile.at(i);
if (y_diff.at(i) > max_diff) {
max_diff = y_diff.at(i);
max_diff_idx = i;
}
if (y_diff.at(i) < min_diff) {
min_diff = y_diff.at(i);
min_diff_idx = i;
}
avg_diff += fabs(y_diff.at(i));
}
avg_diff /= y_diff.size();
// for (size_t i = 0; i < y_profile.size(); ++i) {
// if
// }
// // const auto max_diff = std::max_element(y_diff.begin(), y_diff.end());
// const auto avg_diff = std::accumulate(y_diff.begin(), y_diff.end(), 0.0) / y_diff.size();
std::sort(y_diff.begin(), y_diff.end());
const auto median_diff = y_diff.at(y_diff.size() * 3 / 4);
// if (qFuzzyIsNull(max_diff)) {
// qDebug() << "max_diff is null";
// static bool done = [&]() -> bool {
// for (const auto & y : y_profile) {
// qDebug() << y;
// }
// return true;
// }();
// manager->get(request);
// return;
// }
graph->setData(x_profile, y_profile);
auto jsonLines = json["lines"].toArray();
QList<QLineF> lines(jsonLines.count());
// FIXME: validate
// WARNING
// AHTUNG
// DANGER
std::transform(
// std::execution::par_unseq
jsonLines.cbegin(),
jsonLines.cend(),
lines.begin(),
[](const auto& jsonLine) -> QLineF {
const auto jsonPoints = jsonLine.toArray();
const auto jsonPoint0 = jsonPoints.at(0).toArray();
const auto jsonPoint1 = jsonPoints.at(1).toArray();
return {
{ jsonPoint0.at(0).toDouble(), jsonPoint0.at(1).toDouble() },
{ jsonPoint1.at(0).toDouble(), jsonPoint1.at(1).toDouble() }
};
}
);
// lines.append({{6,780},{38,787}});
auto qmlCustomPlot = engine.rootObjects().first()->findChild<QmlCustomPlot*>("qmlCustomPlot");
if (!qmlCustomPlot)
{
qWarning() << "no qmlCustomPlot";
}
else
{
qDebug() << "set lines. count is" << lines.count();
qmlCustomPlot->setLines(lines);
}
// 6 780
// 38 787
engine.rootContext()->setContextProperty("max_diff", max_diff);
engine.rootContext()->setContextProperty("max_diff_idx", int(max_diff_idx));
engine.rootContext()->setContextProperty("min_diff", min_diff);
engine.rootContext()->setContextProperty("min_diff_idx", int(min_diff_idx));
engine.rootContext()->setContextProperty("avg_diff", avg_diff);
engine.rootContext()->setContextProperty("median_diff", median_diff);
engine.rootContext()->setContextProperty("encoderPosition", encoderPosition);
engine.rootContext()->setContextProperty("measurementCounter", measurementCounter);
engine.rootContext()->setContextProperty("timestampUs", timestampUs);
manager->get(request);
pixelsAutoRestartTimer.start();
prev_y_profile = y_profile;
reply->deleteLater();
});
manager->get(request);
pixelsAutoRestartTimer.start();
// auto pixelsRequestFuture = QtConcurrent::run([&](){
// QThread::sleep(1);
// // x_profile.clear();
// y_profile.clear();
// for(int x = -640; x < 640; ++x)
// {
// double y = double(QRandomGenerator::global()->bounded(0, 80000)) / 100.;
// // x_profile << x;
// y_profile << y;
// }
// graph->setData(x_profile, y_profile);
// });
QObject::connect(
&engine,
&QQmlApplicationEngine::objectCreationFailed,
&app,
[]() { QCoreApplication::exit(-1); },
Qt::QueuedConnection);
engine.loadFromModule("eurydice", "Main");
return app.exec();
}
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