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()
43 //=======================================================================
46 //=======================================================================
48 void DBRep_HideData::Set(const Standard_Integer viewID,
50 const Standard_Real focal,
51 const TopoDS_Shape& S,
52 const Standard_Real ang)
59 Handle(HLRBRep_PolyAlgo) hider = new HLRBRep_PolyAlgo(S);
61 hider->Projector(HLRAlgo_Projector(myTrsf,myFocal > 0.,myFocal));
64 Standard_Real sta,end,dx,dy,dz;
65 Standard_ShortReal tolsta,tolend;
66 HLRAlgo_EdgeIterator It;
70 Standard_Boolean reg1,regn,outl,intl;
71 Standard_Address Coordinates;
72 HLRAlgo_EdgeStatus status;
74 for (hider->InitHide(); hider->MoreHide(); hider->NextHide()) {
75 Coordinates = &hider->Hide(status,Sori,reg1,regn,outl,intl);
80 for (It.InitVisible(status);
83 It.Visible(sta,tolsta,end,tolend);
86 (PntX1 + sta * dx,PntY1 + sta * dy,PntZ1 + sta * dz,
87 PntX1 + end * dx,PntY1 + end * dy,PntZ1 + end * dz,
88 Sori,reg1,regn,outl,intl));
91 for (It.InitHidden(status);
94 It.Hidden(sta,tolsta,end,tolend);
97 (PntX1 + sta * dx,PntY1 + sta * dy,PntZ1 + sta * dz,
98 PntX1 + end * dx,PntY1 + end * dy,PntZ1 + end * dz,
99 Sori,reg1,regn,outl,intl));
104 //=======================================================================
107 //=======================================================================
109 Standard_Boolean DBRep_HideData::IsSame(const gp_Trsf& TProj,
110 const Standard_Real focal) const
113 if (myFocal <= 0) return Standard_False;
114 if (myFocal != focal) return Standard_False;
115 const gp_XYZ& T1 = TProj .TranslationPart();
116 const gp_XYZ& T2 = myTrsf.TranslationPart();
118 for (Standard_Integer i = 1; i <= 3; i++) {
119 if (T1.Coord(i) != T2.Coord(i))
120 return Standard_False;
123 const gp_Mat& M1 = TProj .HVectorialPart();
124 const gp_Mat& M2 = myTrsf.HVectorialPart();
126 for (Standard_Integer i = 1; i <= 3; i++) {
128 for (Standard_Integer j = 1; j <= 3; j++) {
129 if (M1.Value(i,j) != M2.Value(i,j))
130 return Standard_False;
133 return Standard_True;
136 //=======================================================================
139 //=======================================================================
141 void DBRep_HideData::DrawOn(Draw_Display& D,
142 const Standard_Boolean withRg1,
143 const Standard_Boolean withRgN,
144 const Standard_Boolean withHid,
145 const Draw_Color& VisCol,
146 const Draw_Color& HidCol)
148 Standard_Boolean firstPick = Standard_True;
149 HLRBRep_ListIteratorOfListOfBPoint It;
150 // Standard_Boolean reg1,regn,outl;
155 for (It.Initialize(myBiPntHid);
158 const HLRBRep_BiPoint& BP = It.Value();
159 Standard_Boolean todraw = Standard_True;
160 if ((!withRg1 && BP.Rg1Line() && !BP.OutLine()) ||
161 (!withRgN && BP.RgNLine() && !BP.OutLine()))
162 todraw = Standard_False;
166 if (firstPick && D.HasPicked()) {
167 firstPick = Standard_False;
168 myPickShap = BP.Shape();
175 for (It.Initialize(myBiPntVis);
178 const HLRBRep_BiPoint& BP = It.Value();
179 Standard_Boolean todraw = Standard_True;
180 if ((!withRg1 && BP.Rg1Line() && !BP.OutLine()) ||
181 (!withRgN && BP.RgNLine() && !BP.OutLine()))
182 todraw = Standard_False;
186 if (firstPick && D.HasPicked()) {
187 firstPick = Standard_False;
188 myPickShap = BP.Shape();
194 //=======================================================================
195 //function : LastPick
197 //=======================================================================
199 const TopoDS_Shape & DBRep_HideData::LastPick () const
200 { return myPickShap; }