| 1 | // Created on: 1996-12-05 |
| 2 | // Created by: Flore Lantheaume/Odile Olivier |
| 3 | // Copyright (c) 1996-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | #ifndef _AIS_FixRelation_HeaderFile |
| 18 | #define _AIS_FixRelation_HeaderFile |
| 19 | |
| 20 | #include <TopoDS_Wire.hxx> |
| 21 | #include <AIS_Relation.hxx> |
| 22 | |
| 23 | class Geom_Plane; |
| 24 | |
| 25 | DEFINE_STANDARD_HANDLE(AIS_FixRelation, AIS_Relation) |
| 26 | |
| 27 | //! Constructs and manages a constraint by a fixed |
| 28 | //! relation between two or more interactive datums. This |
| 29 | //! constraint is represented by a wire from a shape - |
| 30 | //! point, vertex, or edge - in the first datum and a |
| 31 | //! corresponding shape in the second. |
| 32 | //! Warning: This relation is not bound with any kind of parametric |
| 33 | //! constraint : it represents the "status" of an parametric |
| 34 | //! object. |
| 35 | class AIS_FixRelation : public AIS_Relation |
| 36 | { |
| 37 | DEFINE_STANDARD_RTTIEXT(AIS_FixRelation, AIS_Relation) |
| 38 | public: |
| 39 | |
| 40 | //! initializes the vertex aShape, the |
| 41 | //! plane aPlane and the wire aWire, which connects |
| 42 | //! the two vertices in a fixed relation. |
| 43 | Standard_EXPORT AIS_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane, const TopoDS_Wire& aWire); |
| 44 | |
| 45 | //! initializes the vertex aShape, the |
| 46 | //! plane aPlane and the wire aWire, the position |
| 47 | //! aPosition, the arrow size anArrowSize and the |
| 48 | //! wire aWire, which connects the two vertices in a fixed relation. |
| 49 | Standard_EXPORT AIS_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane, const TopoDS_Wire& aWire, const gp_Pnt& aPosition, const Standard_Real anArrowSize = 0.01); |
| 50 | |
| 51 | //! initializes the edge aShape and the plane aPlane. |
| 52 | Standard_EXPORT AIS_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane); |
| 53 | |
| 54 | //! initializes the edge aShape, the |
| 55 | //! plane aPlane, the position aPosition and the arrow |
| 56 | //! size anArrowSize. |
| 57 | Standard_EXPORT AIS_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane, const gp_Pnt& aPosition, const Standard_Real anArrowSize = 0.01); |
| 58 | |
| 59 | //! Returns the wire which connects vertices in a fixed relation. |
| 60 | Standard_EXPORT TopoDS_Wire Wire(); |
| 61 | |
| 62 | //! Constructs the wire aWire. This connects vertices |
| 63 | //! which are in a fixed relation. |
| 64 | Standard_EXPORT void SetWire (const TopoDS_Wire& aWire); |
| 65 | |
| 66 | //! Returns true if the Interactive Objects in the relation |
| 67 | //! are movable. |
| 68 | virtual Standard_Boolean IsMovable() const Standard_OVERRIDE; |
| 69 | |
| 70 | //! computes the presentation according to a point of view |
| 71 | //! given by <aProjector>. |
| 72 | //! To be Used when the associated degenerated Presentations |
| 73 | //! have been transformed by <aTrsf> which is not a Pure |
| 74 | //! Translation. The HLR Prs can't be deducted automatically |
| 75 | //! WARNING :<aTrsf> must be applied |
| 76 | //! to the object to display before computation !!! |
| 77 | Standard_EXPORT virtual void Compute (const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTrsf, const Handle(Prs3d_Presentation)& aPresentation) Standard_OVERRIDE; |
| 78 | |
| 79 | private: |
| 80 | |
| 81 | |
| 82 | Standard_EXPORT void Compute (const Handle(PrsMgr_PresentationManager3d)& aPresentationManager, const Handle(Prs3d_Presentation)& aPresentation, const Standard_Integer aMode = 0) Standard_OVERRIDE; |
| 83 | |
| 84 | Standard_EXPORT void Compute (const Handle(Prs3d_Projector)& aProjector, const Handle(Prs3d_Presentation)& aPresentation) Standard_OVERRIDE; |
| 85 | |
| 86 | Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& aSelection, const Standard_Integer aMode) Standard_OVERRIDE; |
| 87 | |
| 88 | //! computes the presentation for <myFixShape> if it's a |
| 89 | //! vertex. |
| 90 | Standard_EXPORT void ComputeVertex (const TopoDS_Vertex& FixVertex, gp_Pnt& curpos); |
| 91 | |
| 92 | Standard_EXPORT gp_Pnt ComputePosition (const Handle(Geom_Curve)& curv1, const Handle(Geom_Curve)& curv2, const gp_Pnt& firstp1, const gp_Pnt& lastp1, const gp_Pnt& firstp2, const gp_Pnt& lastp2) const; |
| 93 | |
| 94 | Standard_EXPORT gp_Pnt ComputePosition (const Handle(Geom_Curve)& curv, const gp_Pnt& firstp, const gp_Pnt& lastp) const; |
| 95 | |
| 96 | //! computes the presentation for <myFixShape> if it's a |
| 97 | //! edge. |
| 98 | Standard_EXPORT void ComputeEdge (const TopoDS_Edge& FixEdge, gp_Pnt& curpos); |
| 99 | |
| 100 | Standard_EXPORT void ComputeLinePosition (const gp_Lin& glin, gp_Pnt& pos, Standard_Real& pfirst, Standard_Real& plast); |
| 101 | |
| 102 | Standard_EXPORT void ComputeCirclePosition (const gp_Circ& gcirc, gp_Pnt& pos, Standard_Real& pfirst, Standard_Real& plast); |
| 103 | |
| 104 | Standard_EXPORT static Standard_Boolean ConnectedEdges (const TopoDS_Wire& aWire, const TopoDS_Vertex& aVertex, TopoDS_Edge& Edge1, TopoDS_Edge& Edge2); |
| 105 | |
| 106 | TopoDS_Wire myWire; |
| 107 | gp_Pnt myPntAttach; |
| 108 | |
| 109 | |
| 110 | }; |
| 111 | |
| 112 | #include <AIS_FixRelation.lxx> |
| 113 | |
| 114 | #endif // _AIS_FixRelation_HeaderFile |