0031668: Visualization - WebGL sample doesn't work on Emscripten 1.39
[occt.git] / src / IVtkOCC / IVtkOCC_Shape.hxx
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913a4c4a 1// Created on: 2011-10-14
2// Created by: Roman KOZLOV
3// Copyright (c) 2011-2014 OPEN CASCADE SAS
4//
5// This file is part of Open CASCADE Technology software library.
6//
7// This library is free software; you can redistribute it and/or modify it under
8// the terms of the GNU Lesser General Public License version 2.1 as published
9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
12//
13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
15
16#ifndef __IVTKOCC_SHAPE_H__
17#define __IVTKOCC_SHAPE_H__
18
19#include <IVtk_IShape.hxx>
20#include <TopoDS_Shape.hxx>
21#include <TopTools_IndexedMapOfShape.hxx>
22#include <SelectMgr_SelectableObject.hxx>
23
c04c30b3 24class IVtkOCC_Shape;
913a4c4a 25DEFINE_STANDARD_HANDLE( IVtkOCC_Shape, IVtk_IShape )
26
27//! @class IVtkOCC_Shape
28//! @brief OCC implementation of IShape interface.
29class IVtkOCC_Shape : public IVtk_IShape
30{
31public:
32
33 typedef Handle(IVtkOCC_Shape) Handle;
34
35 //! Constructor for OCC IShape implementation
36 Standard_EXPORT IVtkOCC_Shape (const TopoDS_Shape& theShape);
37
38 //! Destructor
39 Standard_EXPORT virtual ~IVtkOCC_Shape();
40
a7cc4fdd 41 Standard_EXPORT IVtk_IdType GetSubShapeId (const IVtk_IShape::Handle&) const;
913a4c4a 42
92efcf78 43 DEFINE_STANDARD_RTTIEXT(IVtkOCC_Shape,IVtk_IShape)
913a4c4a 44
45 //! Get the wrapped original OCCT shape
46 //! @return TopoDS_Shape the wrapped original OCCT shape
47 TopoDS_Shape GetShape() const
48 {
49 return myTopoDSShape;
50 }
51
52 //! @brief Get local ID of a sub-shape.
53 //!
54 //! Returns unique ID of the given sub-shape within the top-level shape.
55 //! Note that the sub-shape ID remains unchanged until the top-level is
56 //! modified by some operation.
57 //! @param [in] subShape sub-shape whose ID is returned
58 //! @return local ID of the sub-shape.
a7cc4fdd 59 Standard_EXPORT IVtk_IdType GetSubShapeId (const TopoDS_Shape& theSubShape) const;
913a4c4a 60
61 //! Get ids of sub-shapes composing a sub-shape with the given id
c7854818 62 Standard_EXPORT IVtk_ShapeIdList GetSubIds (const IVtk_IdType) const Standard_OVERRIDE;
913a4c4a 63
64 //! @brief Get a sub-shape by its local ID.
65 //!
66 //! @param [in] id local ID of a sub-shape
67 //! @return TopoDS_Shape& a sub-shape
68 Standard_EXPORT const TopoDS_Shape& GetSubShape (const IVtk_IdType theId) const;
69
70 //! Stores a handle to selectable object used by OCCT selection algorithm
71 //! in a data field. This object internally caches selection data
72 //! so it should be stored until the shape is no longer selectable.
73 //! Note that the selectable object keeps a pointer to OccShape.
74 //! @param [in] selObj Handle to the selectable object
75 void SetSelectableObject (const Handle(SelectMgr_SelectableObject)& theSelObj)
76 {
77 mySelectable = theSelObj;
78 }
79
80 //! @return Handle to the selectable object for this shape.
81 Handle(SelectMgr_SelectableObject) GetSelectableObject() const
82 {
83 return mySelectable;
84 }
85
86private:
87 //! @brief Build a map of sub-shapes by their IDs
88 //!
89 //! Private method, assigns IDs to all sub-shapes of the
90 //! top-level shape.
91 //! @see IVtkOCC_Shape::GetSubShapeId
92 void buildSubShapeIdMap();
93
94private:
95 TopTools_IndexedMapOfShape mySubShapeIds; //!< Map of sub-shapes by their IDs
96 TopoDS_Shape myTopoDSShape; //!< The wrapped main OCCT shape
97 Handle(SelectMgr_SelectableObject) mySelectable; //!< Link to a holder of selection primitives
98};
99
100#endif // __IVTKOCC_SHAPE_H__