0031668: Visualization - WebGL sample doesn't work on Emscripten 1.39
[occt.git] / src / IGESData / IGESData_ViewKindEntity.hxx
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42cf5bc1 1// Created on: 1992-04-07
2// Created by: Christian CAILLET
3// Copyright (c) 1992-1999 Matra Datavision
4// Copyright (c) 1999-2014 OPEN CASCADE SAS
5//
6// This file is part of Open CASCADE Technology software library.
7//
8// This library is free software; you can redistribute it and/or modify it under
9// the terms of the GNU Lesser General Public License version 2.1 as published
10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
13//
14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
16
17#ifndef _IGESData_ViewKindEntity_HeaderFile
18#define _IGESData_ViewKindEntity_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_Type.hxx>
22
23#include <IGESData_IGESEntity.hxx>
24#include <Standard_Boolean.hxx>
25#include <Standard_Integer.hxx>
26class Standard_OutOfRange;
27
28
29class IGESData_ViewKindEntity;
30DEFINE_STANDARD_HANDLE(IGESData_ViewKindEntity, IGESData_IGESEntity)
31
32//! defines required type for ViewKind in directory part
33//! that is, Single view or Multiple view
34//! An effective ViewKind entity must inherit it and define
35//! IsSingle (True for Single, False for List of Views),
36//! NbViews and ViewItem (especially for a List)
37class IGESData_ViewKindEntity : public IGESData_IGESEntity
38{
39
40public:
41
42
43 //! says if "me" is a Single View (True) or a List of Views (False)
44 Standard_EXPORT virtual Standard_Boolean IsSingle() const = 0;
45
46 //! Returns the count of Views for a List of Views. For a Single
47 //! View, may return simply 1
48 Standard_EXPORT virtual Standard_Integer NbViews() const = 0;
49
50 //! Returns the View n0. <num> for a List of Views. For a Single
51 //! Views, may return <me> itself
52 Standard_EXPORT virtual Handle(IGESData_ViewKindEntity) ViewItem (const Standard_Integer num) const = 0;
53
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92efcf78 57 DEFINE_STANDARD_RTTIEXT(IGESData_ViewKindEntity,IGESData_IGESEntity)
42cf5bc1 58
59protected:
60
61
62
63
64private:
65
66
67
68
69};
70
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76
77#endif // _IGESData_ViewKindEntity_HeaderFile