Migration to OCCT 7.0

[modules/gui.git] / src / SVTK / SVTK_AreaPicker.cxx

diff --git a/src/SVTK/SVTK_AreaPicker.cxx b/src/SVTK/SVTK_AreaPicker.cxx
index 28bd23b44c4c1ba390c6d7ea1c2f486eafbaa0ee..6480919f481acbb6a370f93c9882649929c72c9a 100644 (file)
--- a/src/SVTK/SVTK_AreaPicker.cxx
+++ b/src/SVTK/SVTK_AreaPicker.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
 //
 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
@@ -6,7 +6,7 @@
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 // License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -415,13 +415,10 @@ bool SVTK_AreaPicker::isPointInPolygon( const QPoint& thePoint, const QVector<QP
     double del = last_pt.x() * cur_pt.y() - cur_pt.x() * last_pt.y();
     double xy = cur_pt.x() * last_pt.x() + cur_pt.y() * last_pt.y();
 
-    sum +=
-        ( atan(
-            ( last_pt.x() * last_pt.x() + last_pt.y() * last_pt.y() - xy )
-                / del )
-            + atan(
-                ( cur_pt.x() * cur_pt.x() + cur_pt.y() * cur_pt.y() - xy )
-                    / del ) );
+    if ( del )
+      sum +=
+      ( atan( ( last_pt.x() * last_pt.x() + last_pt.y() * last_pt.y() - xy ) / del )
+      + atan( ( cur_pt.x() * cur_pt.x() + cur_pt.y() * cur_pt.y() - xy ) / del ) );
 
     last_pt = cur_pt;
   }