0028389: Data Exchange - Import of STEP Saved Views and Clipping Planes

- new STEP entities for Saved Views
- import of STEP Saved Views
- new XCAF tool for clipping planes
- new draw commands
- update test

src/StepVisual/StepVisual_CameraModelD3MultiClippingUnionSelect.cxx

@@ -0,0 +1,47 @@
+// Created on: 2016-11-14
+// Created by: Irina KRYLOVA
+// Copyright (c) 2016 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <StepVisual_CameraModelD3MultiClippingUnionSelect.hxx>
+#include <Interface_Macros.hxx>
+#include <StepGeom_Plane.hxx>
+#include <StepVisual_CameraModelD3MultiClippingIntersection.hxx>
+
+//=======================================================================
+//function : StepVisual_CameraModelD3MultiClippingUnionSelect
+//purpose  : 
+//=======================================================================
+StepVisual_CameraModelD3MultiClippingUnionSelect::StepVisual_CameraModelD3MultiClippingUnionSelect () {  }
+
+//=======================================================================
+//function : CaseNum
+//purpose  : 
+//=======================================================================
+Standard_Integer StepVisual_CameraModelD3MultiClippingUnionSelect::CaseNum(const Handle(Standard_Transient)& ent) const
+{
+  if (ent.IsNull()) return 0;
+  if (ent->IsKind(STANDARD_TYPE(StepGeom_Plane))) return 1;
+  if (ent->IsInstance(STANDARD_TYPE(StepVisual_CameraModelD3MultiClippingIntersection))) return 2;
+  return 0;
+}
+
+Handle(StepGeom_Plane) StepVisual_CameraModelD3MultiClippingUnionSelect::Plane() const
+{
+  return GetCasted(StepGeom_Plane, Value());
+}
+
+Handle(StepVisual_CameraModelD3MultiClippingIntersection) StepVisual_CameraModelD3MultiClippingUnionSelect::CameraModelD3MultiClippingIntersection() const
+{
+  return GetCasted(StepVisual_CameraModelD3MultiClippingIntersection, Value());
+}