From 1ab6dc39778ea3379f3c626104726935be3804db Mon Sep 17 00:00:00 2001
From: Mika Salmela <mika.salmela@theqtcompany.com>
Date: Mon, 8 Dec 2014 13:24:27 +0200
Subject: Write fps to file.

Change-Id: I303c243b25da0003ca86e5085b913f54a14dc86f
Reviewed-by: Mika Salmela <mika.salmela@theqtcompany.com>
---
 tests/qmlperf/datagenerator.cpp    | 21 ++++++++++++++++++++-
 tests/qmlperf/datagenerator.h      |  3 +++
 tests/qmlperf/qml/qmlperf/main.qml | 20 ++++++++++++++++----
 3 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/tests/qmlperf/datagenerator.cpp b/tests/qmlperf/datagenerator.cpp
index 28056234..199664a6 100644
--- a/tests/qmlperf/datagenerator.cpp
+++ b/tests/qmlperf/datagenerator.cpp
@@ -27,11 +27,18 @@ DataGenerator::DataGenerator(QObject *parent) :
     QObject(parent)
 {
     qRegisterMetaType<QScatter3DSeries *>();
+
+    m_file = new QFile("results.txt");
+    if (!m_file->open(QIODevice::WriteOnly | QIODevice::Text)) {
+        delete m_file;
+        m_file = 0;
+    }
 }
 
 DataGenerator::~DataGenerator()
 {
-    qDebug() << __FUNCTION__;
+    m_file->close();
+    delete m_file;
 }
 
 void DataGenerator::generateData(QScatter3DSeries *series, uint count)
@@ -65,3 +72,15 @@ void DataGenerator::add(QScatter3DSeries *series, uint count)
 
     series->dataProxy()->addItems(appendArray);
 }
+
+void DataGenerator::writeLine(int itemCount, float fps)
+{
+    if (m_file) {
+        QTextStream out(m_file);
+
+        QString fpsFormatString(QStringLiteral("%1   %2\n"));
+        QString fpsString = fpsFormatString.arg(itemCount).arg(fps);
+
+        out << fpsString;
+    }
+}
diff --git a/tests/qmlperf/datagenerator.h b/tests/qmlperf/datagenerator.h
index c066d80c..ee40b13e 100644
--- a/tests/qmlperf/datagenerator.h
+++ b/tests/qmlperf/datagenerator.h
@@ -20,6 +20,7 @@
 #define DATAGENERATOR_H
 
 #include <QtDataVisualization/QScatter3DSeries>
+#include <QtCore/QFile>
 
 using namespace QtDataVisualization;
 
@@ -33,9 +34,11 @@ public:
 public slots:
     void generateData(QScatter3DSeries *series, uint count);
     void add(QScatter3DSeries *series, uint count);
+    void writeLine(int itemCount, float fps);
 
 private:
     QScatter3DSeries m_series;
+    QFile *m_file;
 };
 
 #endif // DATAGENERATOR_H
diff --git a/tests/qmlperf/qml/qmlperf/main.qml b/tests/qmlperf/qml/qmlperf/main.qml
index 138d3970..6daaad8e 100644
--- a/tests/qmlperf/qml/qmlperf/main.qml
+++ b/tests/qmlperf/qml/qmlperf/main.qml
@@ -32,7 +32,7 @@ Rectangle {
 
     Button {
         id: changeButton
-        width: parent.width / 6
+        width: parent.width / 7
         height: 50
         anchors.left: parent.left
         enabled: true
@@ -54,7 +54,7 @@ Rectangle {
     Text {
         id: fpsText
         text: "Reading"
-        width: parent.width / 2
+        width: (parent.width / 7) * 3
         height: 50
         anchors.left: changeButton.right
         verticalAlignment: Text.AlignVCenter
@@ -63,7 +63,7 @@ Rectangle {
 
     Button {
         id: optimization
-        width: parent.width / 6
+        width: parent.width / 7
         height: 50
         anchors.left: fpsText.right
         enabled: true
@@ -82,7 +82,7 @@ Rectangle {
 
     Button {
         id: itemAdd
-        width: parent.width / 6
+        width: parent.width / 7
         height: 50
         anchors.left: optimization.right
         enabled: true
@@ -93,6 +93,18 @@ Rectangle {
         }
     }
 
+    Button {
+        id: writeLine
+        width: parent.width / 7
+        height: 50
+        anchors.left: itemAdd.right
+        enabled: true
+        text: "Write"
+        onClicked: {
+            dataGenerator.writeLine(itemCount, scatterPlot.currentFps.toFixed(1));
+        }
+    }
+
     Item {
         id: graphView
         width: mainview.width
-- 
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