Fixes retina issues with C++ widget graphs.

Task-id: QTRD-2660

Change-Id: Icd36c082f45077a1ebb3372838f43a50fd277076
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/src/datavisualization/engine/scatter3drenderer.cpp b/src/datavisualization/engine/scatter3drenderer.cpp
index 627fc88a..74e589fd 100644
--- a/src/datavisualization/engine/scatter3drenderer.cpp
+++ b/src/datavisualization/engine/scatter3drenderer.cpp
@@ -187,7 +187,12 @@ void Scatter3DRenderer::updateData()
 void Scatter3DRenderer::updateScene(Q3DScene *scene)
 {
     // TODO: Move these to more suitable place e.g. controller should be controlling the viewports.
-    scene->setPrimarySubViewport(m_mainViewPort);
+    float devicePixelRatio = scene->devicePixelRatio();
+    QRect logicalPrimarySubViewport = QRect(m_mainViewPort.x() / devicePixelRatio,
+                                            m_mainViewPort.y() / devicePixelRatio,
+                                            m_mainViewPort.width() / devicePixelRatio,
+                                            m_mainViewPort.height() / devicePixelRatio);
+    scene->setPrimarySubViewport(logicalPrimarySubViewport);
 
     // TODO: See QTRD-2374
     scene->activeCamera()->setMinYRotation(-90.0f);
@@ -1590,11 +1595,6 @@ void Scatter3DRenderer::calculateSceneScalingFactors()
                                     (m_axisCacheZ.max() + m_axisCacheZ.min()) / 2.0f);
 }
 
-QRect Scatter3DRenderer::mainViewPort()
-{
-    return m_mainViewPort;
-}
-
 void Scatter3DRenderer::initShaders(const QString &vertexShader, const QString &fragmentShader)
 {
     if (m_dotShader)