| 1 | -- Created on: 2000-10-20 |
| 2 | -- Created by: Julia DOROVSKIKH |
| 3 | -- Copyright (c) 2000-2014 OPEN CASCADE SAS |
| 4 | -- |
| 5 | -- This file is part of Open CASCADE Technology software library. |
| 6 | -- |
| 7 | -- This library is free software; you can redistribute it and / or modify it |
| 8 | -- under the terms of the GNU Lesser General Public version 2.1 as published |
| 9 | -- by the Free Software Foundation, with special exception defined in the file |
| 10 | -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | -- distribution for complete text of the license and disclaimer of any warranty. |
| 12 | -- |
| 13 | -- Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | -- commercial license or contractual agreement. |
| 15 | |
| 16 | class MidPointRelation from AIS inherits Relation from AIS |
| 17 | |
| 18 | ---Purpose: presentation of equal distance to point myMidPoint |
| 19 | |
| 20 | uses |
| 21 | ExtendedString from TCollection, |
| 22 | Projector from Prs3d, |
| 23 | Presentation from Prs3d, |
| 24 | PresentationManager3d from PrsMgr, |
| 25 | Selection from SelectMgr, |
| 26 | Dir from gp, |
| 27 | Pnt from gp, |
| 28 | Lin from gp, |
| 29 | Circ from gp, |
| 30 | Elips from gp, |
| 31 | Plane from Geom, |
| 32 | Transformation from Geom, |
| 33 | Shape from TopoDS |
| 34 | |
| 35 | is |
| 36 | Create(aSymmTool : Shape from TopoDS; |
| 37 | FirstShape : Shape from TopoDS; |
| 38 | SecondShape : Shape from TopoDS; |
| 39 | aPlane : Plane from Geom) |
| 40 | returns mutable MidPointRelation from AIS; |
| 41 | |
| 42 | IsMovable(me) returns Boolean from Standard |
| 43 | ---C++: inline |
| 44 | is redefined; |
| 45 | |
| 46 | SetTool(me: mutable; aMidPointTool : Shape from TopoDS); |
| 47 | ---C++: inline |
| 48 | |
| 49 | GetTool(me) |
| 50 | ---C++: inline |
| 51 | ---C++: return const & |
| 52 | returns Shape from TopoDS; |
| 53 | |
| 54 | -- Methods from PresentableObject |
| 55 | Compute(me: mutable; |
| 56 | aPresentationManager: PresentationManager3d from PrsMgr; |
| 57 | aPresentation : mutable Presentation from Prs3d; |
| 58 | aMode : Integer from Standard= 0) |
| 59 | is redefined static private; |
| 60 | |
| 61 | Compute(me: mutable; |
| 62 | aProjector : Projector from Prs3d; |
| 63 | aPresentation: mutable Presentation from Prs3d) |
| 64 | is redefined static private; |
| 65 | |
| 66 | Compute(me: mutable; |
| 67 | aProjector : Projector from Prs3d; |
| 68 | aTrsf : Transformation from Geom; |
| 69 | aPresentation : mutable Presentation from Prs3d) |
| 70 | is redefined; |
| 71 | ---Purpose: Computes the presentation according to a point of view |
| 72 | -- given by <aProjector>. |
| 73 | -- To be Used when the associated degenerated Presentations |
| 74 | -- have been transformed by <aTrsf> which is not a Pure |
| 75 | -- Translation. The HLR Prs can't be deducted automatically |
| 76 | -- WARNING :<aTrsf> must be applied |
| 77 | -- to the object to display before computation !!! |
| 78 | |
| 79 | -- Methods from SelectableObject |
| 80 | ComputeSelection(me : mutable; |
| 81 | aSelection : mutable Selection from SelectMgr; |
| 82 | aMode : Integer from Standard)is private; |
| 83 | |
| 84 | -- Computation private methods |
| 85 | ComputeFaceFromPnt(me: mutable; aprs : mutable Presentation from Prs3d; first : Boolean from Standard) |
| 86 | is private; |
| 87 | |
| 88 | ComputeEdgeFromPnt(me: mutable; aprs : mutable Presentation from Prs3d; first : Boolean from Standard) |
| 89 | is private; |
| 90 | |
| 91 | ComputeVertexFromPnt(me: mutable; aprs : mutable Presentation from Prs3d; first : Boolean from Standard) |
| 92 | is private; |
| 93 | |
| 94 | |
| 95 | ComputePointsOnLine(me: mutable; aLin : Lin from gp; |
| 96 | first : Boolean from Standard) |
| 97 | is private; |
| 98 | |
| 99 | ComputePointsOnLine(me: mutable; pnt1,pnt2 : Pnt from gp; |
| 100 | first : Boolean from Standard) |
| 101 | is private; |
| 102 | |
| 103 | ComputePointsOnCirc(me: mutable; aCirc : Circ from gp; pnt1,pnt2 : Pnt from gp; |
| 104 | first : Boolean from Standard) |
| 105 | is private; |
| 106 | |
| 107 | ComputePointsOnElips(me: mutable; anEll : Elips from gp; pnt1,pnt2 : Pnt from gp; |
| 108 | first : Boolean from Standard) |
| 109 | is private; |
| 110 | ---Purpose: ComputePointsOn... methods set myFAttach, myFirstPnt and myLastPnt |
| 111 | -- from the following initial data: curve, end points, myMidPoint. |
| 112 | -- End points (pnt1 & pnt2) and curve define the trimmed curve. |
| 113 | -- If end points are equal, curve is not trimmed (line - special case). |
| 114 | -- |
| 115 | -- .------. pnt2 |
| 116 | -- / \ |
| 117 | -- . circle . myLastPnt |
| 118 | -- | | |
| 119 | -- . pnt1 . myFAttach |
| 120 | -- \ arc / . myMidPoint |
| 121 | -- .______. myFirstPnt |
| 122 | fields |
| 123 | myTool : Shape from TopoDS; |
| 124 | myMidPoint : Pnt from gp; -- point of symmetry |
| 125 | |
| 126 | myFAttach : Pnt from gp; -- position on myFShape to be connected with myMidPoint by segment |
| 127 | myFirstPnt1 : Pnt from gp; -- points on myFShape, |
| 128 | myFirstPnt2 : Pnt from gp; -- defining a segment of it to be drawn |
| 129 | |
| 130 | mySAttach : Pnt from gp; -- position on mySShape to be connected with myMidPoint by segment |
| 131 | mySecondPnt1 : Pnt from gp; -- points on mySShape, |
| 132 | mySecondPnt2 : Pnt from gp; -- defining a segment of it to be drawn |
| 133 | |
| 134 | end MidPointRelation; |