public:
//! Creates new empty selecting volume
- SelectMgr_BaseIntersector()
- : mySelectionType (SelectMgr_SelectionType_Unknown)
- {}
+ Standard_EXPORT SelectMgr_BaseIntersector();
//! Destructor
- virtual ~SelectMgr_BaseIntersector() {}
+ Standard_EXPORT virtual ~SelectMgr_BaseIntersector();
//! Builds intersector according to internal parameters
- virtual void Build() {}
+ virtual void Build() = 0;
//! Returns selection type of this intersector
SelectMgr_SelectionType GetSelectionType() const { return mySelectionType; }
public:
//! Checks if it is possible to scale this intersector.
- //! @return false for the base class.
- virtual Standard_Boolean IsScalable() const { return Standard_False; }
+ virtual Standard_Boolean IsScalable() const = 0;
//! Sets pixel tolerance.
//! It makes sense only for scalable intersectors (built on a single point).
//! This method does nothing for the base class.
Standard_EXPORT virtual void SetPixelTolerance (const Standard_Integer theTol);
- //! IMPORTANT: Scaling makes sense only for scalable intersectors (built on a single point)!
- //! Note that this method does not perform any checks on type of the frustum.
- //! Returns a copy of the frustum resized according to the scale factor given
- //! and transforms it using the matrix given.
- //! There are no default parameters, but in case if:
- //! - transformation only is needed: @theScaleFactor must be initialized as any negative value;
- //! - scale only is needed: @theTrsf must be set to gp_Identity.
- //! Builder is an optional argument that represents corresponding settings for re-constructing transformed
- //! frustum from scratch. Can be null if reconstruction is not expected furthermore.
- //! This method does nothing for the base class.
- Standard_EXPORT virtual Handle(SelectMgr_BaseIntersector) ScaleAndTransform (const Standard_Integer theScaleFactor,
- const gp_GTrsf& theTrsf,
- const Handle(SelectMgr_FrustumBuilder)& theBuilder) const;
+ //! Note that this method does not perform any checks on type of the frustum.
+ //! @param theScaleFactor [in] scale factor for new intersector or negative value if undefined;
+ //! IMPORTANT: scaling makes sense only for scalable ::IsScalable() intersectors (built on a single point)!
+ //! @param theTrsf [in] transformation for new intersector or gp_Identity if undefined
+ //! @param theBuilder [in] an optional argument that represents corresponding settings for re-constructing transformed frustum from scratch;
+ //! could be NULL if reconstruction is not expected furthermore
+ //! @return a copy of the frustum resized according to the scale factor given and transforms it using the matrix given
+ virtual Handle(SelectMgr_BaseIntersector) ScaleAndTransform (const Standard_Integer theScaleFactor,
+ const gp_GTrsf& theTrsf,
+ const Handle(SelectMgr_FrustumBuilder)& theBuilder) const = 0;
public:
public:
//! SAT intersection test between defined volume and given axis-aligned box
- Standard_EXPORT virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3& theBoxMin,
- const SelectMgr_Vec3& theBoxMax,
- const SelectMgr_ViewClipRange& theClipRange,
- SelectBasics_PickResult& thePickResult) const;
+ virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3& theBoxMin,
+ const SelectMgr_Vec3& theBoxMax,
+ const SelectMgr_ViewClipRange& theClipRange,
+ SelectBasics_PickResult& thePickResult) const = 0;
//! Returns true if selecting volume is overlapped by axis-aligned bounding box
//! with minimum corner at point theMinPt and maximum at point theMaxPt
- Standard_EXPORT virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3& theBoxMin,
- const SelectMgr_Vec3& theBoxMax,
- Standard_Boolean* theInside = NULL) const;
+ virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3& theBoxMin,
+ const SelectMgr_Vec3& theBoxMax,
+ Standard_Boolean* theInside = NULL) const = 0;
//! Intersection test between defined volume and given point
- Standard_EXPORT virtual Standard_Boolean OverlapsPoint (const gp_Pnt& thePnt,
- const SelectMgr_ViewClipRange& theClipRange,
- SelectBasics_PickResult& thePickResult) const;
+ virtual Standard_Boolean OverlapsPoint (const gp_Pnt& thePnt,
+ const SelectMgr_ViewClipRange& theClipRange,
+ SelectBasics_PickResult& thePickResult) const = 0;
//! Intersection test between defined volume and given point
- //! Does not perform depth calculation, so this method is defined as
- //! helper function for inclusion test. Therefore, its implementation
- //! makes sense only for rectangular frustum with box selection mode activated.
- Standard_EXPORT virtual Standard_Boolean OverlapsPoint (const gp_Pnt& thePnt) const;
+ //! Does not perform depth calculation, so this method is defined as helper function for inclusion test.
+ //! Therefore, its implementation makes sense only for rectangular frustum with box selection mode activated.
+ virtual Standard_Boolean OverlapsPoint (const gp_Pnt& thePnt) const = 0;
//! SAT intersection test between defined volume and given ordered set of points,
//! representing line segments. The test may be considered of interior part or
//! boundary line defined by segments depending on given sensitivity type
- Standard_EXPORT virtual Standard_Boolean OverlapsPolygon (const TColgp_Array1OfPnt& theArrayOfPnts,
- Select3D_TypeOfSensitivity theSensType,
- const SelectMgr_ViewClipRange& theClipRange,
- SelectBasics_PickResult& thePickResult) const;
+ virtual Standard_Boolean OverlapsPolygon (const TColgp_Array1OfPnt& theArrayOfPnts,
+ Select3D_TypeOfSensitivity theSensType,
+ const SelectMgr_ViewClipRange& theClipRange,
+ SelectBasics_PickResult& thePickResult) const = 0;
//! Checks if line segment overlaps selecting frustum
- Standard_EXPORT virtual Standard_Boolean OverlapsSegment (const gp_Pnt& thePnt1,
- const gp_Pnt& thePnt2,
- const SelectMgr_ViewClipRange& theClipRange,
- SelectBasics_PickResult& thePickResult) const;
+ virtual Standard_Boolean OverlapsSegment (const gp_Pnt& thePnt1,
+ const gp_Pnt& thePnt2,
+ const SelectMgr_ViewClipRange& theClipRange,
+ SelectBasics_PickResult& thePickResult) const = 0;
//! SAT intersection test between defined volume and given triangle. The test may
//! be considered of interior part or boundary line defined by triangle vertices
//! depending on given sensitivity type
- Standard_EXPORT virtual Standard_Boolean OverlapsTriangle (const gp_Pnt& thePt1,
- const gp_Pnt& thePt2,
- const gp_Pnt& thePt3,
- Select3D_TypeOfSensitivity theSensType,
- const SelectMgr_ViewClipRange& theClipRange,
- SelectBasics_PickResult& thePickResult) const;
+ virtual Standard_Boolean OverlapsTriangle (const gp_Pnt& thePnt1,
+ const gp_Pnt& thePnt2,
+ const gp_Pnt& thePnt3,
+ Select3D_TypeOfSensitivity theSensType,
+ const SelectMgr_ViewClipRange& theClipRange,
+ SelectBasics_PickResult& thePickResult) const = 0;
public:
projects / occt.git / blobdiff