1 files changed, 3 insertions, 1 deletions
diff --git a/examples/corelib/threads/mandelbrot/renderthread.h b/examples/corelib/threads/mandelbrot/renderthread.h
index 934cc17d74..6174e0ed3d 100644
--- a/examples/corelib/threads/mandelbrot/renderthread.h
+++ b/examples/corelib/threads/mandelbrot/renderthread.h
@@ -69,7 +69,8 @@ public:
     RenderThread(QObject *parent = nullptr);
     ~RenderThread();
 
-    void render(double centerX, double centerY, double scaleFactor, QSize resultSize);
+    void render(double centerX, double centerY, double scaleFactor, QSize resultSize,
+                double devicePixelRatio);
 
 signals:
     void renderedImage(const QImage &image, double scaleFactor);
@@ -85,6 +86,7 @@ private:
     double centerX;
     double centerY;
     double scaleFactor;
+    double devicePixelRatio;
     QSize resultSize;
     bool restart = false;
     bool abort = false;