include/opencascade/IGESData_ViewKindEntity.hxx

0001 // Created on: 1992-04-07
0002 // Created by: Christian CAILLET
0003 // Copyright (c) 1992-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _IGESData_ViewKindEntity_HeaderFile
0018 #define _IGESData_ViewKindEntity_HeaderFile
0019
0020 #include <Standard.hxx>
0021
0022 #include <IGESData_IGESEntity.hxx>
0023 #include <Standard_Integer.hxx>
0024
0025
0026 class IGESData_ViewKindEntity;
0027 DEFINE_STANDARD_HANDLE(IGESData_ViewKindEntity, IGESData_IGESEntity)
0028
0029 //! defines required type for ViewKind in directory part
0030 //! that is, Single view or Multiple view
0031 //! An effective ViewKind entity must inherit it and define
0032 //! IsSingle (True for Single, False for List of Views),
0033 //! NbViews and ViewItem (especially for a List)
0034 class IGESData_ViewKindEntity : public IGESData_IGESEntity
0035 {
0036
0037 public:
0038
0039
0040   //! says if "me" is a Single View (True) or a List of Views (False)
0041   Standard_EXPORT virtual Standard_Boolean IsSingle() const = 0;
0042
0043   //! Returns the count of Views for a List of Views. For a Single
0044   //! View, may return simply 1
0045   Standard_EXPORT virtual Standard_Integer NbViews() const = 0;
0046
0047   //! Returns the View n0. <num> for a List of Views. For a Single
0048   //! Views, may return <me> itself
0049   Standard_EXPORT virtual Handle(IGESData_ViewKindEntity) ViewItem (const Standard_Integer num) const = 0;
0050
0051
0052
0053
0054   DEFINE_STANDARD_RTTIEXT(IGESData_ViewKindEntity,IGESData_IGESEntity)
0055
0056 protected:
0057
0058
0059
0060
0061 private:
0062
0063
0064
0065
0066 };
0067
0068
0069
0070
0071
0072
0073
0074 #endif // _IGESData_ViewKindEntity_HeaderFile