Avoid crash if there is no parent of selection attribute.

[modules/shaper.git] / src / GeomAlgoAPI / GeomAlgoAPI_ShapeAPI.cpp

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_ShapeAPI.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_ShapeAPI.cpp
index 6b26c3eb22d4cab94456beb74a72792b749c5008..550bf68f3f0b74d9d9e824b29c685f244d4e172e 100644 (file)
--- a/src/GeomAlgoAPI/GeomAlgoAPI_ShapeAPI.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_ShapeAPI.cpp
@@ -1,8 +1,22 @@
-// Copyright (C) 2014-2016 CEA/DEN, EDF R&D
-
-// File:        GeomAlgoAPI_ShapeAPI.cpp
-// Created:     17 Mar 2016
-// Author:      Clarisse Genrault (CEA)
+// Copyright (C) 2014-2017  CEA/DEN, EDF R&D
+//
+// 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, 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
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
 
 #include "GeomAlgoAPI_ShapeAPI.h"
 
@@ -673,6 +687,61 @@ namespace GeomAlgoAPI_ShapeAPI
     return GeomAlgoAPI_CompoundBuilder::compound(aListOfShape);
   }
 
+  //===============================================================================================
+  std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeAPI::makeMultiRotation(
+    std::shared_ptr<GeomAPI_Shape> theSourceShape,
+    std::shared_ptr<GeomAPI_Ax1> theAxis,
+    const int theNumber)
+  {
+    if (!theAxis) {
+      std::string aError = "Multirotation builder ";
+      aError+=":: the axis is not valid";
+      throw GeomAlgoAPI_Exception(aError);
+    }
+
+    if (theNumber <=0) {
+      std::string aError = "Multirotation builder ";
+      aError+=":: the number of copies is null or negative.";
+      throw GeomAlgoAPI_Exception(aError);
+    }
+
+    double anAngle = 360./theNumber;
+
+    ListOfShape aListOfShape;
+    for (int i=0; i<theNumber; i++) {
+      aListOfShape.
+        push_back(GeomAlgoAPI_ShapeAPI::makeRotation(theSourceShape, theAxis, i*anAngle));
+    }
+    return GeomAlgoAPI_CompoundBuilder::compound(aListOfShape);
+  }
+
+  //===============================================================================================
+  std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeAPI::makeMultiRotation(
+    std::shared_ptr<GeomAPI_Shape> theSourceShape,
+    std::shared_ptr<GeomAPI_Ax1> theAxis,
+    const double theStep,
+    const int theNumber)
+  {
+    if (!theAxis) {
+      std::string aError = "Multirotation builder ";
+      aError+=":: the axis is not valid";
+      throw GeomAlgoAPI_Exception(aError);
+    }
+
+    if (theNumber <=0) {
+      std::string aError = "Multirotation builder ";
+      aError+=":: the number of copies is null or negative.";
+      throw GeomAlgoAPI_Exception(aError);
+    }
+
+    ListOfShape aListOfShape;
+    for (int i=0; i<theNumber; i++) {
+      aListOfShape.
+        push_back(GeomAlgoAPI_ShapeAPI::makeRotation(theSourceShape, theAxis, i*theStep));
+    }
+    return GeomAlgoAPI_CompoundBuilder::compound(aListOfShape);
+  }
+
   //===============================================================================================
   std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeAPI::makeConeSegment(
     const double theRMin1, const double theRMax1,