added fps counter

Qt_Performance_Benchmark/FpsItem.qml

@@ -0,0 +1,59 @@
+import QtQuick 2.0
+import QtQuick.Window 2.2
+
+Rectangle {
+    id: root
+    property int frameCounter: 0
+    property int frameCounterAvg: 0
+    property int counter: 0
+    property int fps: 0
+    property int fpsAvg: 0
+
+    readonly property real dp: Screen.pixelDensity * 25.4/160
+
+    color: "black"
+    width:  childrenRect.width + 10*dp;
+    height: childrenRect.height + 10*dp;
+
+    Image {
+        id: spinnerImage
+        anchors.verticalCenter: parent.verticalCenter
+        x: 4 * dp
+        width: 36 * dp
+        height: width
+        source: "images/spinner.png"
+        NumberAnimation on rotation {
+            from:0
+            to: 360
+            duration: 800
+            loops: Animation.Infinite
+        }
+        onRotationChanged: frameCounter++;
+    }
+
+    Text {
+        anchors.left: spinnerImage.right
+        anchors.leftMargin: 8 * dp
+        anchors.verticalCenter: spinnerImage.verticalCenter
+        color: "#c0c0c0"
+        font.pixelSize: 18 * dp
+        text: "Ø " + root.fpsAvg + " | " + root.fps + " fps"
+    }
+
+    Timer {
+        interval: 2000
+        repeat: true
+        running: true
+        onTriggered: {
+            frameCounterAvg += frameCounter;
+            root.fps = frameCounter/2;
+            counter++;
+            frameCounter = 0;
+            if (counter >= 3) {
+                root.fpsAvg = frameCounterAvg/(2*counter)
+                frameCounterAvg = 0;
+                counter = 0;
+            }
+        }
+    }
+}

Qt_Performance_Benchmark/main.qml

@@ -2,6 +2,7 @@ import QtQuick 2.12
 import QtQuick.Window 2.12
 import QtQuick.Controls 2.3
 
+
 Window {
     id: rootwin
     width: 640
@@ -18,10 +19,23 @@ Window {
 
         //NumberAnimation on x {  id: ani; loops: Animation.Infinite; to: 250; duration: 1000 }
 
-        NumberAnimation on x { id: ani; loops: Animation.Infinite; from: 0; to: 1000; duration: 5000 }
+        NumberAnimation on x { id: ani; loops: Animation.Infinite; from: 0; to: 100; duration: 500 }
     }
 
 
+    Rectangle {
+        x: 20
+        y: 148
+        width: 100; height: 100
+        color: "blue"
+
+        //NumberAnimation on x {  id: ani; loops: Animation.Infinite; to: 250; duration: 1000 }
+
+        NumberAnimation on x { id: ani2; loops: Animation.Infinite; from: 0; to: 1000; duration: 5000 }
+    }
+
+
+
     function onChecked(checked) {
 
            if (checked) {
@@ -33,14 +47,19 @@ Window {
 
     CheckBox {
         id: checkBox
-        x: 78
-        y: 200
+        x: 41
+        y: 279
         state: active
         text: qsTr("Check Box")
         onClicked: rootwin.onChecked(checked)
     }
 
-
+    FpsItem {
+        id: fpsItem
+        anchors.verticalCenterOffset: 106
+           anchors.horizontalCenterOffset: -239
+           anchors.centerIn: parent
+       }
 
 }
 

Qt_Performance_Benchmark/qml.qrc

@@ -1,5 +1,6 @@
 <RCC>
     <qresource prefix="/">
         <file>main.qml</file>
+        <file>FpsItem.qml</file>
     </qresource>
 </RCC>