Compare commits
4 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| 41900f7d93 | |||
| 620d7df720 | |||
| 9e3db3865a | |||
| 66a18ca17a |
@ -1,6 +1,4 @@
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QT += core gui
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greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
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QT += quick
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CONFIG += c++11
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@ -9,16 +7,21 @@ CONFIG += c++11
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#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
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SOURCES += \
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main.cpp \
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mainwindow.cpp
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frequencymonitor.cpp \
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main.cpp
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HEADERS += \
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mainwindow.h
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RESOURCES += qml.qrc
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FORMS += \
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mainwindow.ui
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# Additional import path used to resolve QML modules in Qt Creator's code model
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QML_IMPORT_PATH =
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# Additional import path used to resolve QML modules just for Qt Quick Designer
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QML_DESIGNER_IMPORT_PATH =
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# Default rules for deployment.
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qnx: target.path = /tmp/$${TARGET}/bin
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else: unix:!android: target.path = /opt/$${TARGET}/bin
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!isEmpty(target.path): INSTALLS += target
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HEADERS += \
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frequencymonitor.h
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20
Qt_Performance_Benchmark/Rect.qml
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20
Qt_Performance_Benchmark/Rect.qml
Normal file
@ -0,0 +1,20 @@
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import QtQuick 2.0
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Rectangle {
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function randomInteger(min, max) {
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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width:100
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height:100
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color:Qt.rgba(Math.random(),Math.random(),Math.random(),1);
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NumberAnimation on x {loops: Animation.Infinite; from: randomInteger(0, 1920); to: randomInteger(0, 1920); duration: 500 }
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NumberAnimation on y {loops: Animation.Infinite; from: randomInteger(0, 900); to: randomInteger(0, 900); duration: 500 }
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}
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65
Qt_Performance_Benchmark/frequencymonitor.cpp
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65
Qt_Performance_Benchmark/frequencymonitor.cpp
Normal file
@ -0,0 +1,65 @@
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#include "frequencymonitor.h"
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#include <QQuickWindow>
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FrequencyMonitor::FrequencyMonitor(QQuickItem *parent) :
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QQuickItem(parent),
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m_counter(0),
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m_refreshPeriod(1000)
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{
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connect(this, &FrequencyMonitor::windowChanged, this, &FrequencyMonitor::handleWindowChanged);
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}
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int FrequencyMonitor::fps() const
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{
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return m_fps;
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}
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void FrequencyMonitor::setFps(int fps)
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{
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if (m_fps == fps)
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return;
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m_fps = fps;
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emit fpsChanged();
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}
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int FrequencyMonitor::refreshPeriod() const
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{
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return m_refreshPeriod;
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}
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void FrequencyMonitor::setRefreshPeriod(int msec)
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{
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if (m_refreshPeriod == msec)
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return;
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m_refreshPeriod = msec;
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emit refreshPeriodChanged();
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}
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void FrequencyMonitor::handleAfterRendering()
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{
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const int elapsedMsec = m_time.elapsed();
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m_counter++;
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if (elapsedMsec >= m_refreshPeriod)
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{
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setFps(m_counter / (elapsedMsec / 1000.0));
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m_counter = 0;
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m_time.restart();
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}
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}
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void FrequencyMonitor::handleWindowChanged(QQuickWindow *window)
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{
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if (m_windowConnection)
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this->disconnect(m_windowConnection);
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if (window)
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{
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m_time.restart();
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m_windowConnection = connect(window, &QQuickWindow::afterRendering, this, &FrequencyMonitor::handleAfterRendering);
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}
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}
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42
Qt_Performance_Benchmark/frequencymonitor.h
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42
Qt_Performance_Benchmark/frequencymonitor.h
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@ -0,0 +1,42 @@
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#ifndef FREQUENCYMONITOR_H
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#define FREQUENCYMONITOR_H
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#include <QQuickItem>
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#include <QTime>
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#include <QMetaObject>
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class QQuickWindow;
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class FrequencyMonitor : public QQuickItem
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{
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Q_OBJECT
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Q_PROPERTY(int fps READ fps NOTIFY fpsChanged)
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Q_PROPERTY(int refreshPeriod READ refreshPeriod WRITE setRefreshPeriod NOTIFY refreshPeriodChanged)
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public:
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explicit FrequencyMonitor(QQuickItem *parent = 0);
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int fps() const;
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void setFps(int fps);
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// by default refresh one time per 1000 msec
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int refreshPeriod() const;
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void setRefreshPeriod(int msec);
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signals:
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void fpsChanged();
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void refreshPeriodChanged();
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public slots:
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void handleAfterRendering();
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void handleWindowChanged(QQuickWindow * window);
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protected:
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QMetaObject::Connection m_windowConnection;
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QTime m_time;
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int m_fps;
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int m_counter;
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int m_refreshPeriod;
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};
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#endif // FREQUENCYMONITOR_H
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@ -1,11 +1,26 @@
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#include "mainwindow.h"
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#include <QGuiApplication>
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#include <QQmlApplicationEngine>
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#include "frequencymonitor.h"
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#include <QApplication>
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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MainWindow w;
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w.show();
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return a.exec();
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QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
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QGuiApplication app(argc, argv);
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qmlRegisterType<FrequencyMonitor>("be.mindgoo.tools", 0, 1, "FrequencyMonitor");
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QQmlApplicationEngine engine;
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const QUrl url(QStringLiteral("qrc:/main.qml"));
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QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
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&app, [url](QObject *obj, const QUrl &objUrl) {
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if (!obj && url == objUrl)
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QCoreApplication::exit(-1);
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}, Qt::QueuedConnection);
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engine.load(url);
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return app.exec();
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}
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56
Qt_Performance_Benchmark/main.qml
Normal file
56
Qt_Performance_Benchmark/main.qml
Normal file
@ -0,0 +1,56 @@
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import QtQuick 2.12
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import QtQuick.Window 2.12
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import QtQuick.Controls 2.3
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import be.mindgoo.tools 0.1
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Window {
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id: rootwin
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width: 1920
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height: 1080
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visible: true
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property var elements: 0
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FrequencyMonitor {
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id: monitor
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refreshPeriod: 500
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}
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function doSomething(){
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rootwin.elements++
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var component = Qt.createComponent("Rect.qml");
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var rect = component.createObject(rootwin,{"x":0,"y":0});
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if(rect !== null ) {
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rect.name = "Test";
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rect.x = Math.floor(Math.random() * 100 );
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rect.y = Math.floor(Math.random() * 100 );
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}
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}
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Button{
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id: doBtn
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text: "do"
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x: 20
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y: 1000
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onClicked: rootwin.doSomething()
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}
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Text {
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id: fpsCounter
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x: 200
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y: 1000
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text: "FPS: " + monitor.fps
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}
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Text {
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id: elementsCounter
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x: 300
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y: 1000
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text: "Elements: " + rootwin.elements
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}
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}
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/*##^##
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Designer {
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D{i:0;formeditorZoom:2}
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}
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##^##*/
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@ -1,15 +0,0 @@
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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, ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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@ -1,21 +0,0 @@
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#ifndef MAINWINDOW_H
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#define MAINWINDOW_H
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#include <QMainWindow>
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QT_BEGIN_NAMESPACE
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namespace Ui { class MainWindow; }
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QT_END_NAMESPACE
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class MainWindow : public QMainWindow
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{
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Q_OBJECT
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public:
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MainWindow(QWidget *parent = nullptr);
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~MainWindow();
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private:
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Ui::MainWindow *ui;
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};
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#endif // MAINWINDOW_H
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@ -1,126 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>MainWindow</class>
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<widget class="QMainWindow" name="MainWindow">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>800</width>
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<height>600</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>MainWindow</string>
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</property>
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<widget class="QWidget" name="centralwidget">
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<widget class="QWidget" name="gridLayoutWidget">
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<property name="geometry">
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<rect>
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<x>140</x>
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<y>70</y>
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<width>281</width>
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<height>251</height>
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</rect>
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</property>
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<layout class="QGridLayout" name="gridLayout">
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<property name="leftMargin">
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<number>20</number>
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</property>
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<property name="topMargin">
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<number>20</number>
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</property>
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<property name="rightMargin">
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<number>20</number>
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</property>
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<property name="bottomMargin">
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<number>20</number>
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</property>
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<property name="horizontalSpacing">
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<number>90</number>
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</property>
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<property name="verticalSpacing">
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<number>6</number>
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</property>
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<item row="4" column="0">
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<widget class="QCheckBox" name="checkBox">
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<property name="text">
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<string>CheckBox</string>
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</property>
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</widget>
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</item>
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<item row="2" column="0">
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<widget class="QLineEdit" name="lineEdit">
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<property name="text">
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<string/>
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</property>
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</widget>
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</item>
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<item row="1" column="0">
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<widget class="QLabel" name="label">
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<property name="font">
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<font>
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<pointsize>9</pointsize>
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</font>
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</property>
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<property name="text">
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<string>Label</string>
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</property>
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</widget>
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</item>
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<item row="6" column="0">
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<widget class="QDateEdit" name="dateEdit"/>
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</item>
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<item row="7" column="0">
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<widget class="QSlider" name="horizontalSlider">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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</widget>
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</item>
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<item row="5" column="0">
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<widget class="QComboBox" name="comboBox">
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<item>
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<property name="text">
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<string>First</string>
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</property>
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</item>
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<item>
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<property name="text">
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<string>Second</string>
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</property>
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</item>
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</widget>
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</item>
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<item row="3" column="0">
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<widget class="QPushButton" name="pushButton">
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<property name="text">
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<string>PushButton</string>
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</property>
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</widget>
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</item>
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<item row="8" column="0">
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<widget class="QProgressBar" name="progressBar">
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<property name="value">
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<number>24</number>
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</property>
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</widget>
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</item>
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</layout>
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</widget>
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</widget>
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<widget class="QMenuBar" name="menubar">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>800</width>
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<height>23</height>
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</rect>
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</property>
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</widget>
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<widget class="QStatusBar" name="statusbar"/>
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</widget>
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<resources/>
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<connections/>
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</ui>
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6
Qt_Performance_Benchmark/qml.qrc
Normal file
6
Qt_Performance_Benchmark/qml.qrc
Normal file
@ -0,0 +1,6 @@
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<RCC>
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<qresource prefix="/">
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<file>main.qml</file>
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<file>Rect.qml</file>
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</qresource>
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</RCC>
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Reference in New Issue
Block a user