SoShapeScale: Fix SoShapeScale does not take DPI scaling into account

src/Gui/Inventor/SoAxisCrossKit.cpp

@@ -51,11 +51,10 @@
 #endif
 
 #include "SoAxisCrossKit.h"
-
+#include "SoDevicePixelRatioElement.h"
 
 using namespace Gui;
 
-
 SO_KIT_SOURCE(SoShapeScale)
 
 //  Constructor.
@@ -101,6 +100,9 @@ SoShapeScale::GLRender(SoGLRenderAction * action)
         float nsize = this->scaleFactor.getValue() / float(vp.getViewportSizePixels()[0]);
         SoModelMatrixElement::get(state).multVecMatrix(center, center); // world coords
         float sf = vv.getWorldToScreenScale(center, nsize);
+
+        sf *= SoDevicePixelRatioElement::get(state);
+
         SbVec3f v(sf, sf, sf);
         if (scale->scaleFactor.getValue() != v){
             scale->scaleFactor = v;