| 1 | // Created on: 1997-01-08 |
| 2 | // Created by: Robert COUBLANC |
| 3 | // Copyright (c) 1997-1999 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_ConnectedInteractive_HeaderFile |
| 18 | #define _AIS_ConnectedInteractive_HeaderFile |
| 19 | |
| 20 | #include <AIS_InteractiveObject.hxx> |
| 21 | #include <AIS_KindOfInteractive.hxx> |
| 22 | #include <TopoDS_Shape.hxx> |
| 23 | |
| 24 | //! Creates an arbitrary located instance of another Interactive Object, |
| 25 | //! which serves as a reference. |
| 26 | //! This allows you to use the Connected Interactive |
| 27 | //! Object without having to recalculate presentation, |
| 28 | //! selection or graphic structure. These are deduced |
| 29 | //! from your reference object. |
| 30 | //! The relation between the connected interactive object |
| 31 | //! and its source is generally one of geometric transformation. |
| 32 | //! AIS_ConnectedInteractive class supports selection mode 0 for any InteractiveObject and |
| 33 | //! all standard modes if its reference based on AIS_Shape. |
| 34 | //! Descendants may redefine ComputeSelection() though. |
| 35 | //! Also ConnectedInteractive will handle HLR if its reference based on AIS_Shape. |
| 36 | class AIS_ConnectedInteractive : public AIS_InteractiveObject |
| 37 | { |
| 38 | DEFINE_STANDARD_RTTIEXT(AIS_ConnectedInteractive, AIS_InteractiveObject) |
| 39 | public: |
| 40 | |
| 41 | //! Disconnects the previous view and sets highlight |
| 42 | //! mode to 0. This highlights the wireframe presentation |
| 43 | //! aTypeOfPresentation3d. |
| 44 | //! Top_AllView deactivates hidden line removal. |
| 45 | Standard_EXPORT AIS_ConnectedInteractive(const PrsMgr_TypeOfPresentation3d aTypeOfPresentation3d = PrsMgr_TOP_AllView); |
| 46 | |
| 47 | //! Returns KOI_Object |
| 48 | virtual AIS_KindOfInteractive Type() const Standard_OVERRIDE { return AIS_KOI_Object; } |
| 49 | |
| 50 | //! Returns 0 |
| 51 | virtual Standard_Integer Signature() const Standard_OVERRIDE { return 0; } |
| 52 | |
| 53 | //! Establishes the connection between the Connected |
| 54 | //! Interactive Object, anotherIobj, and its reference. |
| 55 | Standard_EXPORT void Connect (const Handle(AIS_InteractiveObject)& theAnotherObj) { connect (theAnotherObj, Handle(Geom_Transformation)()); } |
| 56 | |
| 57 | //! Establishes the connection between the Connected |
| 58 | //! Interactive Object, anotherIobj, and its reference. |
| 59 | //! Locates instance in aLocation. |
| 60 | Standard_EXPORT void Connect (const Handle(AIS_InteractiveObject)& theAnotherObj, |
| 61 | const gp_Trsf& theLocation) { connect (theAnotherObj, new Geom_Transformation (theLocation)); } |
| 62 | |
| 63 | //! Establishes the connection between the Connected |
| 64 | //! Interactive Object, anotherIobj, and its reference. |
| 65 | //! Locates instance in aLocation. |
| 66 | Standard_EXPORT void Connect (const Handle(AIS_InteractiveObject)& theAnotherObj, |
| 67 | const Handle(Geom_Transformation)& theLocation) { connect (theAnotherObj, theLocation); } |
| 68 | |
| 69 | //! Returns true if there is a connection established |
| 70 | //! between the presentation and its source reference. |
| 71 | Standard_Boolean HasConnection() const { return !myReference.IsNull(); } |
| 72 | |
| 73 | //! Returns the connection with the reference Interactive Object. |
| 74 | const Handle(AIS_InteractiveObject)& ConnectedTo() const { return myReference; } |
| 75 | |
| 76 | //! Clears the connection with a source reference. The |
| 77 | //! presentation will no longer be displayed. |
| 78 | //! Warning Must be done before deleting the presentation. |
| 79 | Standard_EXPORT void Disconnect(); |
| 80 | |
| 81 | //! Informs the graphic context that the interactive Object |
| 82 | //! may be decomposed into sub-shapes for dynamic selection. |
| 83 | virtual Standard_Boolean AcceptShapeDecomposition() const Standard_OVERRIDE |
| 84 | { |
| 85 | return !myReference.IsNull() && myReference->AcceptShapeDecomposition(); |
| 86 | } |
| 87 | |
| 88 | //! Return true if reference presentation accepts specified display mode. |
| 89 | virtual Standard_Boolean AcceptDisplayMode (const Standard_Integer theMode) const Standard_OVERRIDE |
| 90 | { |
| 91 | return myReference.IsNull() |
| 92 | || myReference->AcceptDisplayMode (theMode); |
| 93 | } |
| 94 | |
| 95 | protected: |
| 96 | |
| 97 | //! Calculates the view aPresentation and its updates. |
| 98 | //! The latter are managed by aPresentationManager. |
| 99 | //! The display mode aMode is 0 by default. |
| 100 | //! this method is redefined virtual; |
| 101 | //! when the instance is connected to another |
| 102 | //! InteractiveObject,this method doesn't |
| 103 | //! compute anything, but just uses the |
| 104 | //! presentation of this last object, with |
| 105 | //! a transformation if there's one stored. |
| 106 | Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager3d)& aPresentationManager, const Handle(Prs3d_Presentation)& aPresentation, const Standard_Integer aMode) Standard_OVERRIDE; |
| 107 | |
| 108 | //! Computes the presentation according to a point of view |
| 109 | //! given by <aProjector>. |
| 110 | //! To be Used when the associated degenerated Presentations |
| 111 | //! have been transformed by <aTrsf> which is not a Pure |
| 112 | //! Translation. The HLR Prs can't be deducted automatically |
| 113 | //! WARNING :<aTrsf> must be applied |
| 114 | //! to the object to display before computation !!! |
| 115 | Standard_EXPORT virtual void Compute (const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTrsf, const Handle(Prs3d_Presentation)& aPresentation) Standard_OVERRIDE; |
| 116 | |
| 117 | //! Computes the presentation according to a point of view |
| 118 | //! given by <aProjector>. |
| 119 | Standard_EXPORT virtual void Compute (const Handle(Prs3d_Projector)& aProjector, const Handle(Prs3d_Presentation)& aPresentation) Standard_OVERRIDE; |
| 120 | |
| 121 | //! Generates sensitive entities by copying |
| 122 | //! them from myReference selection, creates and sets an entity |
| 123 | //! owner for this entities and adds them to theSelection |
| 124 | Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& theSelection, const Standard_Integer theMode) Standard_OVERRIDE; |
| 125 | |
| 126 | //! Generates sensitive entities by copying |
| 127 | //! them from myReference sub shapes selection, creates and sets an entity |
| 128 | //! owner for this entities and adds them to theSelection |
| 129 | Standard_EXPORT void computeSubShapeSelection (const Handle(SelectMgr_Selection)& theSelection, const Standard_Integer theMode); |
| 130 | |
| 131 | Standard_EXPORT void updateShape (const Standard_Boolean WithLocation = Standard_True); |
| 132 | |
| 133 | //! Computes the presentation according to a point of view |
| 134 | //! given by <aProjector>. |
| 135 | Standard_EXPORT void Compute (const Handle(Prs3d_Projector)& aProjector, const Handle(Prs3d_Presentation)& aPresentation, const TopoDS_Shape& aShape); |
| 136 | |
| 137 | Standard_EXPORT void connect (const Handle(AIS_InteractiveObject)& theAnotherObj, |
| 138 | const Handle(Geom_Transformation)& theLocation); |
| 139 | |
| 140 | protected: |
| 141 | |
| 142 | Handle(AIS_InteractiveObject) myReference; |
| 143 | TopoDS_Shape myShape; |
| 144 | |
| 145 | }; |
| 146 | |
| 147 | DEFINE_STANDARD_HANDLE(AIS_ConnectedInteractive, AIS_InteractiveObject) |
| 148 | |
| 149 | #endif // _AIS_ConnectedInteractive_HeaderFile |