Files
FluentUI/example/src/component/FpsItem.cpp
2024-06-28 17:09:23 +08:00

22 lines
526 B
C++

#include "FpsItem.h"
#include <QTimer>
#include <QQuickWindow>
FpsItem::FpsItem() {
_fps = 0;
auto *timer = new QTimer(this);
connect(timer, &QTimer::timeout, this, [this] {
fps(_frameCount);
_frameCount = 0;
});
connect(this, &QQuickItem::windowChanged, this, [this] {
if (window()) {
connect(
window(), &QQuickWindow::afterRendering, this, [this] { _frameCount++; },
Qt::DirectConnection);
}
});
timer->start(1000);
}