Added API for changing data aspect ratio

Task-number: QTRD-3144
Change-Id: I9acd1be13083d7fbbed840882260a60f46c5f698
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

3 files changed, 18 insertions, 0 deletions

diff --git a/tests/surfacetest/graphmodifier.cpp b/tests/surfacetest/graphmodifier.cpp
index 33cfb8a1..442e7742 100644
--- a/tests/surfacetest/graphmodifier.cpp
+++ b/tests/surfacetest/graphmodifier.cpp
@@ -1489,3 +1489,9 @@ void GraphModifier::updateSamples()
         break;
     }
 }
+
+void GraphModifier::setAspectRatio(int ratio)
+{
+    float aspectRatio = float(ratio) / 10.0f;
+    m_graph->setAspectRatio(aspectRatio);
+}
diff --git a/tests/surfacetest/graphmodifier.h b/tests/surfacetest/graphmodifier.h
index b02e1c31..ff0b325e 100644
--- a/tests/surfacetest/graphmodifier.h
+++ b/tests/surfacetest/graphmodifier.h
@@ -113,6 +113,8 @@ public:
     void testAxisReverse();
     void testDataOrdering();
 
+    void setAspectRatio(int ratio);
+
 public slots:
     void changeShadowQuality(int quality);
     void changeTheme(int theme);
diff --git a/tests/surfacetest/main.cpp b/tests/surfacetest/main.cpp
index 9d6165e6..7444a66a 100644
--- a/tests/surfacetest/main.cpp
+++ b/tests/surfacetest/main.cpp
@@ -218,6 +218,11 @@ int main(int argc, char *argv[])
     axisMinSliderZ->setMaximum(100);
     axisMinSliderZ->setEnabled(true);
 
+    QSlider *aspectRatioSlider = new QSlider(Qt::Horizontal, widget);
+    aspectRatioSlider->setMinimum(1);
+    aspectRatioSlider->setValue(20);
+    aspectRatioSlider->setMaximum(100);
+
     QLinearGradient gr(0, 0, 100, 1);
     gr.setColorAt(0.0, Qt::black);
     gr.setColorAt(0.33, Qt::blue);
@@ -403,6 +408,8 @@ int main(int argc, char *argv[])
     vLayout->addWidget(gridSliderX);
     vLayout->addWidget(gridSliderZ);
 #endif
+    vLayout->addWidget(new QLabel(QStringLiteral("Adjust aspect ratio")));
+    vLayout->addWidget(aspectRatioSlider);
     vLayout->addWidget(new QLabel(QStringLiteral("Adjust axis range")));
     vLayout->addWidget(axisRangeSliderX);
     vLayout->addWidget(axisRangeSliderY);
@@ -605,6 +612,9 @@ int main(int argc, char *argv[])
     QObject::connect(testDataOrderingButton, &QPushButton::clicked,
                      modifier, &GraphModifier::testDataOrdering);
 
+    QObject::connect(aspectRatioSlider, &QSlider::valueChanged,
+                     modifier, &GraphModifier::setAspectRatio);
+
 #ifdef MULTI_SERIES
     modifier->setSeries1CB(series1CB);
     modifier->setSeries2CB(series2CB);