0025991: Cyclic dependency in OCCT detected by WOK compiler
[occt.git] / samples / mfc / standard / 01_Geometry / src / ISession2D / ISession2D_SensitiveCurve.cpp
CommitLineData
7fd59977 1// Copyright: Matra-Datavision 1995
2
3#include "stdafx.h"
4
5#include <ISession2D_SensitiveCurve.h>
234e52be 6#include <GCPnts_TangentialDeflection.hxx>
7#include <SelectBasics_BasicTool.hxx>
7fd59977 8
5c1f974e 9IMPLEMENT_STANDARD_HANDLE(ISession2D_SensitiveCurve,Select3D_SensitiveEntity)
10IMPLEMENT_STANDARD_RTTIEXT(ISession2D_SensitiveCurve,Select3D_SensitiveEntity)
7fd59977 11
12//=====================================================
13// Function : Create
14// Purpose :Constructor
15//=====================================================
16
17
18ISession2D_SensitiveCurve::
19ISession2D_SensitiveCurve(const Handle(SelectBasics_EntityOwner)& OwnerId,
20 const Handle(Geom2d_Curve)& C,
21 const Standard_Real CDeflect,
22 const Standard_Integer MaxRect):
5c1f974e 23Select3D_SensitiveEntity(OwnerId),
7fd59977 24myMaxRect(MaxRect),
25myCurve(C),
26myCDeflect(CDeflect)
27{
28 Compute();
29}
30
31void ISession2D_SensitiveCurve::Compute()
32{
33 Geom2dAdaptor_Curve Curve (myCurve);
34 Standard_Real ADeflect = 180; //Angular deflection
35
36 GCPnts_TangentialDeflection PointsOnCurve;
37 PointsOnCurve.Initialize (Curve, ADeflect, myCDeflect,myMaxRect,1.0e-9);
38
39
40 myPolyP2d = new TColgp_HArray1OfPnt2d(1,PointsOnCurve.NbPoints());
41
42 gp_Pnt P;
43 for (Standard_Integer i=1; i<=PointsOnCurve.NbPoints();i++) {
44 P = PointsOnCurve.Value (i);
45 myPolyP2d->SetValue(i,gp_Pnt2d(P.X(),P.Y()));
46 }
47
48}
49
50
51//=====================================================
52// Function : Areas
53// Purpose : return the bounding boxes
54//=====================================================
55void ISession2D_SensitiveCurve::Areas(SelectBasics_ListOfBox2d& boxes)
56{
57 // calcul des Areas --> le nombre voulu est myMaxRect
58 // mais il y a myPolyP2d->Length() segments
59
60 Standard_Integer NbSeg = myPolyP2d->Length()-1;
61 Standard_Integer nbPerBoxes= NbSeg/myMaxRect;
62
63 Standard_Integer CurrentPoint =1;
64 for (Standard_Integer i=1;i<=myMaxRect-1;i++)
65 {
66 Bnd_Box2d abox;
67 abox.Set(myPolyP2d->Value(CurrentPoint));
68 for(Standard_Integer j=1;j<=nbPerBoxes;j++)
69 {
70 CurrentPoint++;
71 abox.Add(myPolyP2d->Value(CurrentPoint));
72 }
73 boxes.Append(abox);
74 }
75 Bnd_Box2d abox;
76 abox.Set(myPolyP2d->Value(CurrentPoint));
77 for(Standard_Integer j=CurrentPoint;j<=myPolyP2d->Length()-1;j++)
78 {
79 CurrentPoint++;
80 abox.Add(myPolyP2d->Value(CurrentPoint));
81 }
82 boxes.Append(abox);
83
84}
85
86//=======================================================
87// Function : Matches
88// Purpose : test : segments in the bounding boxe
89//=======================================================
90Standard_Boolean ISession2D_SensitiveCurve::
91Matches (const Standard_Real XMin,
92 const Standard_Real YMin,
93 const Standard_Real XMax,
94 const Standard_Real YMax,
95 const Standard_Real aTol)
96{
97
98 Bnd_Box2d BoundBox;
99 BoundBox.Update(XMin-aTol,YMin-aTol,XMax+aTol,YMax+aTol);
100
101 for(Standard_Integer j=1;j<=myPolyP2d->Length()-1;j++)
102 {
103 if(BoundBox.IsOut(myPolyP2d->Value(j))) return Standard_False;
104 }
105 return Standard_True;
106
107}
108
109//====================================================
110// Function : Matches
111// Purpose : test the real dist to the segments
112//====================================================
113Standard_Boolean ISession2D_SensitiveCurve::
114 Matches(const Standard_Real X,
115 const Standard_Real Y,
116 const Standard_Real aTol,
117 Standard_Real& DMin)
118{
119 // VERY VERY IMPORTANT : set the selector sensibility !!! ( it's aTol !! )
120 Standard_Integer Rank=0; // New in 2.0
121 if (aTol == 0) {TRACE0("VERY VERY IMPORTANT : set the selector sensibility !!! ( it's aTol !! )");}
122
123 Standard_Boolean Result = SelectBasics_BasicTool::MatchPolyg2d(myPolyP2d->Array1(),
124 X,Y,
125 aTol,
126 DMin,
127 Rank); // new in 2.0
128 return Result;
129}
130
131
132Handle(TColgp_HArray1OfPnt2d) ISession2D_SensitiveCurve::
133SensitivePolygon()
134{
135 return myPolyP2d;
136}
137
138