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_CameraModelD3MultiClippingInterectionSelect.hxx

@@ -0,0 +1,51 @@
+// Created on: 2016-10-25
+// 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.
+
+#ifndef _StepVisual_CameraModelD3MultiClippingInterectionSelect_HeaderFile
+#define _StepVisual_CameraModelD3MultiClippingInterectionSelect_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <StepData_SelectType.hxx>
+#include <Standard_Integer.hxx>
+class Standard_Transient;
+class StepGeom_Plane;
+class StepVisual_CameraModelD3MultiClippingUnion;
+
+class StepVisual_CameraModelD3MultiClippingInterectionSelect  : public StepData_SelectType
+{
+public:
+
+  DEFINE_STANDARD_ALLOC
+  
+  //! Returns a CameraModelD3MultiClippingInterectionSelect select type
+  Standard_EXPORT StepVisual_CameraModelD3MultiClippingInterectionSelect();
+  
+  //! Recognizes a IdAttributeSelect Kind Entity that is :
+  //! 1 -> Plane
+  //! 2 -> CameraModelD3MultiClippingUnion
+  //! 0 else
+  Standard_EXPORT Standard_Integer CaseNum (const Handle(Standard_Transient)& ent)  const;
+  
+  //! returns Value as a Plane (Null if another type)
+  Standard_EXPORT Handle(StepGeom_Plane) Plane()  const;
+
+  //! returns Value as a CameraModelD3MultiClippingUnion (Null if another type)
+  Standard_EXPORT Handle(StepVisual_CameraModelD3MultiClippingUnion) CameraModelD3MultiClippingUnion()  const;
+
+};
+#endif // StepVisual_CameraModelD3MultiClippingInterectionSelect