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0024002: Overall code and build procedure refactoring -- automatic
[occt.git] / src / DrawTrSurf / DrawTrSurf_Surface.cxx
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b311480e 1// Copyright (c) 1995-1999 Matra Datavision
973c2be1 2// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 3//
973c2be1 4// This file is part of Open CASCADE Technology software library.
b311480e 5//
d5f74e42 6// This library is free software; you can redistribute it and/or modify it under
7// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 8// by the Free Software Foundation, with special exception defined in the file
9// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10// distribution for complete text of the license and disclaimer of any warranty.
b311480e 11//
973c2be1 12// Alternatively, this file may be used under the terms of Open CASCADE
13// commercial license or contractual agreement.
b311480e 14
42cf5bc1 15
7fd59977 16#include <Adaptor3d_IsoCurve.hxx>
42cf5bc1 17#include <Draw_Color.hxx>
18#include <Draw_Display.hxx>
19#include <Draw_Drawable3D.hxx>
20#include <DrawTrSurf_Surface.hxx>
ec357c5c 21#include <Geom_Surface.hxx>
42cf5bc1 22#include <GeomAdaptor_HSurface.hxx>
23#include <GeomTools_SurfaceSet.hxx>
24#include <Precision.hxx>
25#include <Standard_Type.hxx>
7fd59977 26
27Standard_Real DrawTrSurf_SurfaceLimit = 400;
28
29
30//=======================================================================
31//function : DrawTrSurf_Surface
32//purpose :
33//=======================================================================
34
35DrawTrSurf_Surface::DrawTrSurf_Surface (const Handle(Geom_Surface)& S)
36: DrawTrSurf_Drawable (16, 0.01, 1)
37{
38 surf = S;
39 boundsLook = Draw_jaune;
40 isosLook = Draw_bleu;
41 nbUIsos = 1;
42 nbVIsos = 1;
43}
44
45
46
47
48//=======================================================================
49//function : DrawTrSurf_Surface
50//purpose :
51//=======================================================================
52
53DrawTrSurf_Surface::DrawTrSurf_Surface
54 (const Handle(Geom_Surface)& S, const Standard_Integer Nu,
55 const Standard_Integer Nv,
56 const Draw_Color& BoundsColor, const Draw_Color& IsosColor,
57 const Standard_Integer Discret, const Standard_Real Deflection,
58 const Standard_Integer DrawMode)
59: DrawTrSurf_Drawable (Discret, Deflection, DrawMode)
60{
61 surf = S;
62 boundsLook = BoundsColor;
63 isosLook = IsosColor;
64 nbUIsos = Abs(Nu);
65 nbVIsos = Abs(Nv);
66}
67
68
69
70//=======================================================================
71//function : DrawOn
72//purpose :
73//=======================================================================
74
75void DrawTrSurf_Surface::DrawOn (Draw_Display& dis) const
76{
77 DrawOn(dis,Standard_True);
78}
79
80//=======================================================================
81//function : DrawOn
82//purpose :
83//=======================================================================
84
85void DrawTrSurf_Surface::DrawOn (Draw_Display& dis,
86 const Standard_Boolean Iso) const
87{
88 Standard_Real UFirst, ULast, VFirst, VLast;
89 surf->Bounds (UFirst, ULast, VFirst, VLast);
90
91 Standard_Boolean UfirstInf = Precision::IsNegativeInfinite(UFirst);
92 Standard_Boolean UlastInf = Precision::IsPositiveInfinite(ULast);
93 Standard_Boolean VfirstInf = Precision::IsNegativeInfinite(VFirst);
94 Standard_Boolean VlastInf = Precision::IsPositiveInfinite(VLast);
95
96 if (UfirstInf || UlastInf) {
97 gp_Pnt P1,P2;
98 Standard_Real v;
99 if (VfirstInf && VlastInf)
100 v = 0;
101 else if (VfirstInf)
102 v = VLast;
103 else if (VlastInf)
104 v = VFirst;
105 else
106 v = (VFirst + VLast) / 2;
107
108 Standard_Real delta = 1.;
109
110 if (UfirstInf && UlastInf) {
111 do {
112 delta *= 2;
113 UFirst = - delta;
114 ULast = delta;
115 surf->D0(UFirst,v,P1);
116 surf->D0(ULast,v,P2);
117 } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
118 }
119 else if (UfirstInf) {
120 surf->D0(ULast,v,P2);
121 do {
122 delta *= 2;
123 UFirst = ULast - delta;
124 surf->D0(UFirst,v,P1);
125 } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
126 }
127 else if (UlastInf) {
128 surf->D0(UFirst,v,P1);
129 do {
130 delta *= 2;
131 ULast = UFirst + delta;
132 surf->D0(ULast,v,P2);
133 } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
134 }
135 }
136
137 if (VfirstInf || VlastInf) {
138 gp_Pnt P1,P2;
139 Standard_Real u = (UFirst + ULast) /2 ;
140
141 Standard_Real delta = 1.;
142
143 if (VfirstInf && VlastInf) {
144 do {
145 delta *= 2;
146 VFirst = - delta;
147 VLast = delta;
148 surf->D0(u,VFirst,P1);
149 surf->D0(u,VLast,P2);
150 } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
151 }
152 else if (VfirstInf) {
153 surf->D0(u,VLast,P2);
154 do {
155 delta *= 2;
156 VFirst = VLast - delta;
157 surf->D0(u,VFirst,P1);
158 } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
159 }
160 else if (VlastInf) {
161 surf->D0(u,VFirst,P1);
162 do {
163 delta *= 2;
164 VLast = VFirst + delta;
165 surf->D0(u,VLast,P2);
166 } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
167 }
168 }
169
170
171 Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface();
172 HS->ChangeSurface().Load(surf,UFirst,ULast,VFirst,VLast);
173
174 Adaptor3d_IsoCurve C(HS);
175
176 if (Iso) {
177 dis.SetColor(isosLook);
178 Standard_Integer i, j;
179
180 Standard_Real Du = (ULast - UFirst) / (nbUIsos + 1);
181 Standard_Real U = UFirst;
182 for (i = 1; i <= nbUIsos; i++) {
183 U += Du;
184 DrawIsoCurveOn(C,GeomAbs_IsoU,U,VFirst,VLast,dis);
185 }
186
187 Standard_Real Dv = (VLast - VFirst) / (nbVIsos + 1);
188 Standard_Real V = VFirst;
189 for (j = 1; j <= nbVIsos; j++) {
190 V += Dv;
191 DrawIsoCurveOn(C,GeomAbs_IsoV,V,UFirst,ULast,dis);
192 }
193 }
194
195 // draw bounds
196 dis.SetColor(boundsLook);
197 if (!UfirstInf) DrawIsoCurveOn(C,GeomAbs_IsoU,UFirst,VFirst,VLast,dis);
198 if (!UlastInf) DrawIsoCurveOn(C,GeomAbs_IsoU,ULast ,VFirst,VLast,dis);
199 if (!VfirstInf) DrawIsoCurveOn(C,GeomAbs_IsoV,VFirst,UFirst,ULast,dis);
200 if (!VlastInf) DrawIsoCurveOn(C,GeomAbs_IsoV,VLast ,UFirst,ULast,dis);
201
202 // draw marker
203 DrawIsoCurveOn(C,GeomAbs_IsoU,
204 UFirst+(ULast-UFirst)/10.,
205 VFirst, VFirst + (VLast-VFirst)/10.,
206 dis);
207}
208
209
210
211//=======================================================================
212//function : ShowIsos
213//purpose :
214//=======================================================================
215
216void DrawTrSurf_Surface::ShowIsos ( const Standard_Integer Nu,
217 const Standard_Integer Nv)
218{
219 nbUIsos = Abs(Nu);
220 nbVIsos = Abs(Nv);
221}
222
223
224//=======================================================================
225//function : ClearIsos
226//purpose :
227//=======================================================================
228
229void DrawTrSurf_Surface::ClearIsos ()
230{
231 nbUIsos = 0;
232 nbVIsos = 0;
233}
234
235
236//=======================================================================
237//function : Copy
238//purpose :
239//=======================================================================
240
241Handle(Draw_Drawable3D) DrawTrSurf_Surface::Copy() const
242{
243 Handle(DrawTrSurf_Surface) DS = new DrawTrSurf_Surface
244 (Handle(Geom_Surface)::DownCast(surf->Copy()),
245 nbUIsos,nbVIsos,boundsLook,isosLook,
246 GetDiscretisation(),GetDeflection(),GetDrawMode());
247
248 return DS;
249}
250
251
252//=======================================================================
253//function : Dump
254//purpose :
255//=======================================================================
256
257void DrawTrSurf_Surface::Dump(Standard_OStream& S)const
258{
259 GeomTools_SurfaceSet::PrintSurface(surf,S);
260}
261
262
263//=======================================================================
264//function : Whatis
265//purpose :
266//=======================================================================
267
268void DrawTrSurf_Surface::Whatis(Draw_Interpretor& S)const
269{
270 S << "a surface";
271}
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