Issue 0020356: [windows] a fix for VTKViewer_Trihedron.cxx

diff --git a/src/VTKViewer/VTKViewer_Trihedron.cxx b/src/VTKViewer/VTKViewer_Trihedron.cxx
index 90e832a7088d3285d177bd74b755b1eab09b3c18..0cd2f1f226374e32c7f744de55c506a4908ba475 100755 (executable)
--- a/src/VTKViewer/VTKViewer_Trihedron.cxx
+++ b/src/VTKViewer/VTKViewer_Trihedron.cxx
@@ -37,6 +37,9 @@
 #include <vtkPolyDataMapper.h>
 #include <vtkVectorText.h>
 
+// QT includes
+#include <QtGlobal>
+
 vtkStandardNewMacro(VTKViewer_UnScaledActor);
 
 /*!Constructor*/
@@ -85,10 +88,10 @@ void VTKViewer_UnScaledActor::Render(vtkRenderer *theRenderer)
     vtkFloatingPointType aZeroTol   = 1.0E-12;
     vtkFloatingPointType anOldScale = GetScale()[0];
     vtkFloatingPointType aScale = anOldScale;
-    vtkFloatingPointType aMaxSize = (vtkFloatingPointType)fmax(aSize[1],aSize[0]);
-    if (fabs(aWinDiag) > aZeroTol && fabs(aLength) > aZeroTol && fabs(aMaxSize) > aZeroTol)
-      aScale = mySize*aWorldDiag/aWinDiag/aLength*sqrt(vtkFloatingPointType(fmin(aSize[1],aSize[0]))/aMaxSize);
-    if(fabs(aScale) > aZeroTol && fabs(aScale - anOldScale)/aScale > aPrecision){
+    vtkFloatingPointType aMaxSize = (vtkFloatingPointType)qMax(aSize[1],aSize[0]);
+    if (qAbs(aWinDiag) > aZeroTol && qAbs(aLength) > aZeroTol && qAbs(aMaxSize) > aZeroTol)
+      aScale = mySize*aWorldDiag/aWinDiag/aLength*sqrt(vtkFloatingPointType(qMin(aSize[1],aSize[0]))/aMaxSize);
+    if(qAbs(aScale) > aZeroTol && qAbs(aScale - anOldScale)/aScale > aPrecision){
       SetScale(aScale);
     }
   }