Value axis reversing support

Task-number: QTRD-2428
Change-Id: I51b3a1f8f974d5b72b36ee1188b7557539b9609b
Reviewed-by: Titta Heikkala <titta.heikkala@digia.com>
Reviewed-by: Mika Salmela <mika.salmela@digia.com>

3 files changed, 90 insertions, 1 deletions

diff --git a/tests/scattertest/main.cpp b/tests/scattertest/main.cpp
index 82d025aa..b0e52c8c 100644
--- a/tests/scattertest/main.cpp
+++ b/tests/scattertest/main.cpp
@@ -126,6 +126,9 @@ int main(int argc, char **argv)
     QPushButton *testItemChangesButton = new QPushButton(widget);
     testItemChangesButton->setText(QStringLiteral("Test Item changing"));
 
+    QPushButton *testReverseButton = new QPushButton(widget);
+    testReverseButton->setText(QStringLiteral("Test Axis Reversing"));
+
     QLinearGradient grBtoY(0, 0, 100, 0);
     grBtoY.setColorAt(1.0, Qt::black);
     grBtoY.setColorAt(0.67, Qt::blue);
@@ -242,7 +245,8 @@ int main(int argc, char **argv)
     vLayout->addWidget(changeSeriesNameButton, 0, Qt::AlignTop);
     vLayout->addWidget(startTimerButton, 0, Qt::AlignTop);
     vLayout->addWidget(massiveDataTestButton, 0, Qt::AlignTop);
-    vLayout->addWidget(testItemChangesButton, 1, Qt::AlignTop);
+    vLayout->addWidget(testItemChangesButton, 0, Qt::AlignTop);
+    vLayout->addWidget(testReverseButton, 1, Qt::AlignTop);
 
     vLayout2->addWidget(gradientBtoYPB, 0, Qt::AlignTop);
     vLayout2->addWidget(fpsLabel, 0, Qt::AlignTop);
@@ -316,6 +320,8 @@ int main(int argc, char **argv)
                      &ScatterDataModifier::massiveDataTest);
     QObject::connect(testItemChangesButton, &QPushButton::clicked, modifier,
                      &ScatterDataModifier::testItemChanges);
+    QObject::connect(testReverseButton, &QPushButton::clicked, modifier,
+                     &ScatterDataModifier::testAxisReverse);
     QObject::connect(gradientBtoYPB, &QPushButton::clicked, modifier,
                      &ScatterDataModifier::setGradient);
     QObject::connect(themeButton, &QPushButton::clicked, modifier,
diff --git a/tests/scattertest/scatterchart.cpp b/tests/scattertest/scatterchart.cpp
index 13a0f040..430279c3 100644
--- a/tests/scattertest/scatterchart.cpp
+++ b/tests/scattertest/scatterchart.cpp
@@ -411,6 +411,70 @@ void ScatterDataModifier::testItemChanges()
     counter++;
 }
 
+void ScatterDataModifier::testAxisReverse()
+{
+    static int counter = 0;
+    const int rowCount = 16;
+    const int colCount = 16;
+    static QScatter3DSeries *series0 = 0;
+    static QScatter3DSeries *series1 = 0;
+
+    switch (counter) {
+    case 0: {
+        qDebug() << __FUNCTION__ << counter << "Setup test";
+        foreach (QScatter3DSeries *series, m_chart->seriesList())
+            m_chart->removeSeries(series);
+        foreach (QValue3DAxis *axis, m_chart->axes())
+            m_chart->releaseAxis(axis);
+        delete series0;
+        delete series1;
+        series0 = new QScatter3DSeries;
+        series1 = new QScatter3DSeries;
+        populateRisingSeries(series0, rowCount, colCount, 0.0f, 50.0f);
+        populateRisingSeries(series1, rowCount, colCount, -20.0f, 30.0f);
+        m_chart->axisX()->setRange(0.0f, 10.0f);
+        m_chart->axisY()->setRange(-20.0f, 50.0f);
+        m_chart->axisZ()->setRange(5.0f, 15.0f);
+        m_chart->addSeries(series0);
+        m_chart->addSeries(series1);
+    }
+        break;
+    case 1: {
+        qDebug() << __FUNCTION__ << counter << "Reverse X axis";
+        m_chart->axisX()->setReversed(true);
+    }
+        break;
+    case 2: {
+        qDebug() << __FUNCTION__ << counter << "Reverse Y axis";
+        m_chart->axisY()->setReversed(true);
+    }
+        break;
+    case 3: {
+        qDebug() << __FUNCTION__ << counter << "Reverse Z axis";
+        m_chart->axisZ()->setReversed(true);
+    }
+        break;
+    case 4: {
+        qDebug() << __FUNCTION__ << counter << "Return all axes to normal";
+        m_chart->axisX()->setReversed(false);
+        m_chart->axisY()->setReversed(false);
+        m_chart->axisZ()->setReversed(false);
+    }
+        break;
+    case 5: {
+        qDebug() << __FUNCTION__ << counter << "Reverse all axes";
+        m_chart->axisX()->setReversed(true);
+        m_chart->axisY()->setReversed(true);
+        m_chart->axisZ()->setReversed(true);
+    }
+        break;
+    default:
+        qDebug() << __FUNCTION__ << "Resetting test";
+        counter = -1;
+    }
+    counter++;
+}
+
 void ScatterDataModifier::addData()
 {
     // Add labels
@@ -950,3 +1014,19 @@ void ScatterDataModifier::populateFlatSeries(QScatter3DSeries *series, int rows,
     }
     series->dataProxy()->resetArray(dataArray);
 }
+
+void ScatterDataModifier::populateRisingSeries(QScatter3DSeries *series, int rows, int columns,
+                                               float minValue, float maxValue)
+{
+    QScatterDataArray *dataArray = new QScatterDataArray;
+    int arraySize = rows * columns;
+    dataArray->resize(arraySize);
+    float range = maxValue - minValue;
+    for (int i = 0; i < rows; i++) {
+        for (int j = 0; j < columns; j++) {
+            float yValue = minValue + (range * i * j / arraySize);
+            (*dataArray)[i * columns + j].setPosition(QVector3D(float(i), yValue, float(j)));
+        }
+    }
+    series->dataProxy()->resetArray(dataArray);
+}
diff --git a/tests/scattertest/scatterchart.h b/tests/scattertest/scatterchart.h
index f239cb73..977e1201 100644
--- a/tests/scattertest/scatterchart.h
+++ b/tests/scattertest/scatterchart.h
@@ -59,6 +59,7 @@ public:
     void setFpsMeasurement(bool enable);
     void setFpsLabel(QLabel *fpsLabel) { m_fpsLabel = fpsLabel; }
     void testItemChanges();
+    void testAxisReverse();
 
 public slots:
     void changeShadowQuality(int quality);
@@ -96,6 +97,8 @@ private:
     QVector3D randVector();
     QScatter3DSeries *createAndAddSeries();
     void populateFlatSeries(QScatter3DSeries *series, int rows, int columns, float value);
+    void populateRisingSeries(QScatter3DSeries *series, int rows, int columns, float minValue,
+                              float maxValue);
 
     Q3DScatter *m_chart;
     int m_fontSize;