blob: ea5ae3ba2e213a7c09c5a53ab2af6b60d224fc30 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef FPSHELPER_H
#define FPSHELPER_H
#include <QQuickItem>
#include <QElapsedTimer>
class FpsHelper : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(float fps READ fps NOTIFY fpsChanged)
public:
FpsHelper();
float fps() const;
protected:
QSGNode *updatePaintNode(QSGNode *node, UpdatePaintNodeData *) override;
signals:
void fpsChanged();
private:
float m_fps = 0.0f;
int m_frames = 0;
QElapsedTimer m_timer;
};
#endif // FPSHELPER_H
|