--- /dev/null
+// Created on: 1998-04-16
+// Created by: Robert COUBLANC
+// Copyright (c) 1998-1999 Matra Datavision
+// Copyright (c) 1999-2014 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 _Select3D_SensitiveGroup_HeaderFile
+#define _Select3D_SensitiveGroup_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineHandle.hxx>
+#include <Standard_Type.hxx>
+
+#include <Select3D_EntitySequence.hxx>
+#include <Select3D_SensitiveEntity.hxx>
+#include <Select3D_SensitiveSet.hxx>
+#include <Handle_SelectBasics_EntityOwner.hxx>
+#include <SelectMgr_SelectingVolumeManager.hxx>
+
+class SelectBasics_EntityOwner;
+class TopLoc_Location;
+
+
+//! A framework to define selection of a sensitive group
+//! by a sensitive entity which is a set of 3D sensitive entities.
+//! Remark: 2 modes are possible for rectangle selection
+//! the group is considered selected
+//! 1) when all the entities inside are selected in the rectangle
+//! 2) only one entity inside is selected by the rectangle
+//! By default the "Match All entities" mode is set.
+class Select3D_SensitiveGroup : public Select3D_SensitiveSet
+{
+public:
+
+ //! Constructs an empty sensitive group object.
+ //! This is a set of sensitive 3D entities. The sensitive
+ //! entities will be defined using the function Add to fill
+ //! the entity owner OwnerId. If MatchAll is false, nothing can be added.
+ Standard_EXPORT Select3D_SensitiveGroup (const Handle(SelectBasics_EntityOwner)& theOwnerId,
+ const Standard_Boolean theIsMustMatchAll = Standard_True);
+
+ //! Constructs a sensitive group object defined by the list
+ //! TheList and the entity owner OwnerId. If MatchAll is false, nothing is done.
+ Standard_EXPORT Select3D_SensitiveGroup (const Handle(SelectBasics_EntityOwner)& theOwnerId,
+ Select3D_EntitySequence& theEntities,
+ const Standard_Boolean theIsMustMatchAll = Standard_True);
+
+ //! Adds the list of sensitive entities LL to the empty
+ //! sensitive group object created at construction time.
+ Standard_EXPORT void Add (Select3D_EntitySequence& theEntities);
+
+ //! Adds the sensitive entity aSensitive to the non-empty
+ //! sensitive group object created at construction time.
+ Standard_EXPORT void Add (const Handle(Select3D_SensitiveEntity)& theSensitive);
+
+ Standard_EXPORT void Remove (const Handle(Select3D_SensitiveEntity)& theSensitive);
+
+ //! Removes all sensitive entities from the list used at the
+ //! time of construction, or added using the function Add.
+ Standard_EXPORT void Clear();
+
+ //! Returns true if the sensitive entity aSensitive is in
+ //! the list used at the time of construction, or added using the function Add.
+ Standard_EXPORT Standard_Boolean IsIn (const Handle(Select3D_SensitiveEntity)& theSensitive) const;
+
+ //! Sets the requirement that all sensitive entities in the
+ //! list used at the time of construction, or added using
+ //! the function Add must be matched.
+ void SetMatchType (const Standard_Boolean theIsMustMatchAll);
+
+ //! Returns true if all sensitive entities in the list used
+ //! at the time of construction, or added using the function Add must be matched.
+ Standard_Boolean MustMatchAll() const;
+
+ //! Checks whether the group overlaps current selecting volume
+ Standard_EXPORT virtual Standard_Boolean Matches (SelectBasics_SelectingVolumeManager& theMgr,
+ SelectBasics_PickResult& thePickResult) Standard_OVERRIDE;
+
+ //! Returns the amount of sub-entities
+ Standard_EXPORT virtual Standard_Integer NbSubElements() Standard_OVERRIDE;
+
+ Standard_EXPORT virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE;
+
+ //! Sets the owner for all entities in group
+ Standard_EXPORT void Set (const Handle(SelectBasics_EntityOwner)& theOwnerId);
+
+ //! Gets group content
+ const Select3D_EntitySequence& GetEntities() const;
+
+ //! Returns bounding box of the group. If location transformation
+ //! is set, it will be applied
+ Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE;
+
+ //! Returns center of entity set. If location transformation
+ //! is set, it will be applied
+ Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE;
+
+ //! Returns bounding box of sensitive entity with index theIdx
+ Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE;
+
+ //! Returns geometry center of sensitive entity index theIdx in
+ //! the vector along the given axis theAxis
+ Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx,
+ const Standard_Integer theAxis) const Standard_OVERRIDE;
+
+ //! Swaps items with indexes theIdx1 and theIdx2 in the vector
+ Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1,
+ const Standard_Integer theIdx2) Standard_OVERRIDE;
+
+ //! Returns the length of vector of sensitive entities
+ Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE;
+
+ DEFINE_STANDARD_RTTI(Select3D_SensitiveGroup)
+
+private:
+
+ //! Checks whether the entity with index theIdx overlaps the current selecting volume
+ virtual Standard_Boolean overlapsElement (SelectBasics_SelectingVolumeManager& theMgr,
+ Standard_Integer theElemIdx,
+ Standard_Real& theMatchDepth) Standard_OVERRIDE;
+
+ //! Calculates distance from the 3d projection of used-picked screen point to center of the geometry
+ virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE;
+
+private:
+
+ Select3D_EntitySequence myEntities; //!< Grouped sensitive entities
+ Standard_Boolean myMustMatchAll; //!< Determines whether all entities in the group should be overlapped or not
+ gp_Pnt myCenter; //!< Center of geometry of the group
+ mutable Select3D_BndBox3d myBndBox; //!< Bounding box of the group
+ NCollection_Vector<Standard_Integer> myBVHPrimIndexes; //!< Vector of sub-entities indexes for BVH tree build
+};
+
+DEFINE_STANDARD_HANDLE(Select3D_SensitiveGroup, Select3D_SensitiveEntity)
+
+#include <Select3D_SensitiveGroup.lxx>
+
+#endif // _Select3D_SensitiveGroup_HeaderFile
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