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101 lines
3.5 KiB
C++
101 lines
3.5 KiB
C++
// Created on: 2011-10-14
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// Created by: Roman KOZLOV
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// Copyright (c) 2011-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef __IVTKOCC_SHAPE_H__
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#define __IVTKOCC_SHAPE_H__
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#include <IVtk_IShape.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <SelectMgr_SelectableObject.hxx>
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class IVtkOCC_Shape;
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DEFINE_STANDARD_HANDLE( IVtkOCC_Shape, IVtk_IShape )
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//! @class IVtkOCC_Shape
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//! @brief OCC implementation of IShape interface.
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class IVtkOCC_Shape : public IVtk_IShape
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{
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public:
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typedef Handle(IVtkOCC_Shape) Handle;
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//! Constructor for OCC IShape implementation
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Standard_EXPORT IVtkOCC_Shape (const TopoDS_Shape& theShape);
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//! Destructor
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Standard_EXPORT virtual ~IVtkOCC_Shape();
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Standard_EXPORT IVtk_IdType GetSubShapeId (const IVtk_IShape::Handle&) const;
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DEFINE_STANDARD_RTTIEXT(IVtkOCC_Shape,IVtk_IShape)
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//! Get the wrapped original OCCT shape
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//! @return TopoDS_Shape the wrapped original OCCT shape
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TopoDS_Shape GetShape() const
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{
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return myTopoDSShape;
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}
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//! @brief Get local ID of a sub-shape.
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//!
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//! Returns unique ID of the given sub-shape within the top-level shape.
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//! Note that the sub-shape ID remains unchanged until the top-level is
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//! modified by some operation.
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//! @param [in] subShape sub-shape whose ID is returned
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//! @return local ID of the sub-shape.
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Standard_EXPORT IVtk_IdType GetSubShapeId (const TopoDS_Shape& theSubShape) const;
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//! Get ids of sub-shapes composing a sub-shape with the given id
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Standard_EXPORT IVtk_ShapeIdList GetSubIds (const IVtk_IdType) const Standard_OVERRIDE;
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//! @brief Get a sub-shape by its local ID.
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//!
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//! @param [in] id local ID of a sub-shape
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//! @return TopoDS_Shape& a sub-shape
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Standard_EXPORT const TopoDS_Shape& GetSubShape (const IVtk_IdType theId) const;
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//! Stores a handle to selectable object used by OCCT selection algorithm
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//! in a data field. This object internally caches selection data
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//! so it should be stored until the shape is no longer selectable.
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//! Note that the selectable object keeps a pointer to OccShape.
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//! @param [in] selObj Handle to the selectable object
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void SetSelectableObject (const Handle(SelectMgr_SelectableObject)& theSelObj)
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{
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mySelectable = theSelObj;
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}
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//! @return Handle to the selectable object for this shape.
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Handle(SelectMgr_SelectableObject) GetSelectableObject() const
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{
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return mySelectable;
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}
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private:
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//! @brief Build a map of sub-shapes by their IDs
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//!
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//! Private method, assigns IDs to all sub-shapes of the
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//! top-level shape.
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//! @see IVtkOCC_Shape::GetSubShapeId
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void buildSubShapeIdMap();
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private:
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TopTools_IndexedMapOfShape mySubShapeIds; //!< Map of sub-shapes by their IDs
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TopoDS_Shape myTopoDSShape; //!< The wrapped main OCCT shape
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Handle(SelectMgr_SelectableObject) mySelectable; //!< Link to a holder of selection primitives
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};
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#endif // __IVTKOCC_SHAPE_H__
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