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125 lines
5.7 KiB
C++
125 lines
5.7 KiB
C++
// Created on: 1996-02-06
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// Created by: Robert COUBLANC
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2014 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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// Modified Tue Apr 14 1998 by rob : fix Bug : Case of Null Radius Circle...
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#ifndef _Select3D_SensitiveCircle_HeaderFile
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#define _Select3D_SensitiveCircle_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Standard_Type.hxx>
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#include <Select3D_SensitivePoly.hxx>
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#include <Select3D_Pnt.hxx>
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#include <Handle_Geom_Circle.hxx>
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#include <Handle_SelectBasics_EntityOwner.hxx>
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#include <Handle_TColgp_HArray1OfPnt.hxx>
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#include <SelectMgr_SelectingVolumeManager.hxx>
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#include <Select3D_TypeOfSensitivity.hxx>
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class Geom_Circle;
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class Standard_ConstructionError;
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class Standard_OutOfRange;
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class SelectBasics_EntityOwner;
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class TColgp_HArray1OfPnt;
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class TColgp_Array1OfPnt;
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class gp_Pnt;
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class TopLoc_Location;
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//! A framework to define sensitive 3D arcs and circles.
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//! In some cases this class can raise Standard_ConstructionError and
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//! Standard_OutOfRange exceptions. For more details see Select3D_SensitivePoly.
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class Select3D_SensitiveCircle : public Select3D_SensitivePoly
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{
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public:
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//! Constructs the sensitive circle object defined by the
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//! owner theOwnerId, the circle theCircle, the boolean
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//! theIsFilled and the number of points theNbPnts.
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Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId,
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const Handle(Geom_Circle)& theCircle,
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const Standard_Boolean theIsFilled = Standard_False,
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const Standard_Integer theNbPnts = 12);
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//! Constructs the sensitive arc object defined by the
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//! owner theOwnerId, the circle theCircle, the parameters theU1
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//! and theU2, the boolean theIsFilled and the number of points theNbPnts.
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//! theU1 and theU2 define the first and last points of the arc on theCircle.
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Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId,
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const Handle(Geom_Circle)& theCircle,
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const Standard_Real theU1,
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const Standard_Real theU2,
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const Standard_Boolean theIsFilled = Standard_False,
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const Standard_Integer theNbPnts = 12);
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//! Constructs the sensitive circle object defined by the
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//! owner theOwnerId, the array of triangles thePnts3d, and the boolean theIsFilled.
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//! thePnts3d is an array of consecutive triangles on the
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//! circle. The triangle i+1 lies on the intersection of the
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//! tangents to the circle of i and i+2. Note, that the first point of thePnts3d
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//! must be equal to the last point of thePnts3d.
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Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId,
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const Handle(TColgp_HArray1OfPnt)& thePnts3d,
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const Standard_Boolean theIsFilled = Standard_False);
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//! Constructs the sensitive circle object defined by the
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//! owner theOwnerId, the array of points thePnts3d, and the boolean theIsFilled.
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//! If the length of thePnts3d is more then 1, the first point of thePnts3d
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//! must be equal to the last point of thePnts3d.
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Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId,
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const TColgp_Array1OfPnt& thePnts3d,
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const Standard_Boolean theIsFilled = Standard_False);
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//! Checks whether the circle overlaps current selecting volume
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Standard_EXPORT virtual Standard_Boolean Matches (SelectBasics_SelectingVolumeManager& theMgr,
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SelectBasics_PickResult& thePickResult) Standard_OVERRIDE;
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Standard_EXPORT void ArrayBounds (Standard_Integer & theLow, Standard_Integer & theUp) const;
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Standard_EXPORT gp_Pnt GetPoint3d (const Standard_Integer thePntIdx) const;
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Standard_EXPORT virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE;
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//! Returns center of the circle. If location
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//! transformation is set, it will be applied
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Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE;
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//! Builds BVH tree for a circle's edge segments if needed
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Standard_EXPORT virtual void BVH() Standard_OVERRIDE;
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DEFINE_STANDARD_RTTI(Select3D_SensitiveCircle, Select3D_SensitivePoly)
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private:
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//! Computes myCenter3D as the barycenter of points from mypolyg3d
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void computeCenter3D();
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private:
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Select3D_TypeOfSensitivity mySensType; //!< True if type of selection is interior, false otherwise
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gp_Pnt myCenter3D; //!< Center of a circle
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Handle_Geom_Circle myCircle; //!< Points of the circle
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Standard_Real myStart; //!< Sensitive arc parameter
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Standard_Real myEnd; //!< Sensitive arc parameter
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};
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DEFINE_STANDARD_HANDLE(Select3D_SensitiveCircle, Select3D_SensitivePoly)
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#endif // _Select3D_SensitiveCircle_HeaderFile
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