1 // Created on: 1995-09-22
2 // Created by: Remi LEQUETTE
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <DBRep_HideData.hxx>
19 #include <Draw_Color.hxx>
20 #include <Draw_Display.hxx>
21 #include <gp_Trsf.hxx>
22 #include <HLRAlgo_EdgeIterator.hxx>
23 #include <HLRBRep_BiPoint.hxx>
24 #include <HLRBRep_ListIteratorOfListOfBPoint.hxx>
25 #include <HLRBRep_PolyAlgo.hxx>
26 #include <TopoDS_Shape.hxx>
28 #define PntX1 ((Standard_Real*)Coordinates)[0]
29 #define PntY1 ((Standard_Real*)Coordinates)[1]
30 #define PntZ1 ((Standard_Real*)Coordinates)[2]
31 #define PntX2 ((Standard_Real*)Coordinates)[3]
32 #define PntY2 ((Standard_Real*)Coordinates)[4]
33 #define PntZ2 ((Standard_Real*)Coordinates)[5]
35 //=======================================================================
36 //function : DBRep_HideData
38 //=======================================================================
40 DBRep_HideData::DBRep_HideData()
47 //=======================================================================
50 //=======================================================================
52 void DBRep_HideData::Set(const Standard_Integer viewID,
54 const Standard_Real focal,
55 const TopoDS_Shape& S,
56 const Standard_Real ang)
63 Handle(HLRBRep_PolyAlgo) hider = new HLRBRep_PolyAlgo(S);
64 hider->Projector(HLRAlgo_Projector(myTrsf,myFocal > 0.,myFocal));
67 Standard_Real sta,end,dx,dy,dz;
68 Standard_ShortReal tolsta,tolend;
69 HLRAlgo_EdgeIterator It;
73 Standard_Boolean reg1,regn,outl,intl;
74 Standard_Address Coordinates;
75 HLRAlgo_EdgeStatus status;
77 for (hider->InitHide(); hider->MoreHide(); hider->NextHide()) {
78 Coordinates = &hider->Hide(status,Sori,reg1,regn,outl,intl);
83 for (It.InitVisible(status);
86 It.Visible(sta,tolsta,end,tolend);
89 (PntX1 + sta * dx,PntY1 + sta * dy,PntZ1 + sta * dz,
90 PntX1 + end * dx,PntY1 + end * dy,PntZ1 + end * dz,
91 Sori,reg1,regn,outl,intl));
94 for (It.InitHidden(status);
97 It.Hidden(sta,tolsta,end,tolend);
100 (PntX1 + sta * dx,PntY1 + sta * dy,PntZ1 + sta * dz,
101 PntX1 + end * dx,PntY1 + end * dy,PntZ1 + end * dz,
102 Sori,reg1,regn,outl,intl));
107 //=======================================================================
110 //=======================================================================
112 Standard_Boolean DBRep_HideData::IsSame(const gp_Trsf& TProj,
113 const Standard_Real focal) const
116 if (myFocal <= 0) return Standard_False;
117 if (myFocal != focal) return Standard_False;
118 const gp_XYZ& T1 = TProj .TranslationPart();
119 const gp_XYZ& T2 = myTrsf.TranslationPart();
121 for (Standard_Integer i = 1; i <= 3; i++) {
122 if (T1.Coord(i) != T2.Coord(i))
123 return Standard_False;
126 const gp_Mat& M1 = TProj .HVectorialPart();
127 const gp_Mat& M2 = myTrsf.HVectorialPart();
129 for (Standard_Integer i = 1; i <= 3; i++) {
131 for (Standard_Integer j = 1; j <= 3; j++) {
132 if (M1.Value(i,j) != M2.Value(i,j))
133 return Standard_False;
136 return Standard_True;
139 //=======================================================================
142 //=======================================================================
144 void DBRep_HideData::DrawOn(Draw_Display& D,
145 const Standard_Boolean withRg1,
146 const Standard_Boolean withRgN,
147 const Standard_Boolean withHid,
148 const Draw_Color& VisCol,
149 const Draw_Color& HidCol)
151 Standard_Boolean firstPick = Standard_True;
152 HLRBRep_ListIteratorOfListOfBPoint It;
153 // Standard_Boolean reg1,regn,outl;
158 for (It.Initialize(myBiPntHid);
161 const HLRBRep_BiPoint& BP = It.Value();
162 Standard_Boolean todraw = Standard_True;
163 if ((!withRg1 && BP.Rg1Line() && !BP.OutLine()) ||
164 (!withRgN && BP.RgNLine() && !BP.OutLine()))
165 todraw = Standard_False;
169 if (firstPick && D.HasPicked()) {
170 firstPick = Standard_False;
171 myPickShap = BP.Shape();
178 for (It.Initialize(myBiPntVis);
181 const HLRBRep_BiPoint& BP = It.Value();
182 Standard_Boolean todraw = Standard_True;
183 if ((!withRg1 && BP.Rg1Line() && !BP.OutLine()) ||
184 (!withRgN && BP.RgNLine() && !BP.OutLine()))
185 todraw = Standard_False;
189 if (firstPick && D.HasPicked()) {
190 firstPick = Standard_False;
191 myPickShap = BP.Shape();
197 //=======================================================================
198 //function : LastPick
200 //=======================================================================
202 const TopoDS_Shape & DBRep_HideData::LastPick () const
203 { return myPickShap; }