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1 | // Copyright (c) 1995-1999 Matra Datavision |
2 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
3 | // |
4 | // The content of this file is subject to the Open CASCADE Technology Public |
5 | // License Version 6.5 (the "License"). You may not use the content of this file |
6 | // except in compliance with the License. Please obtain a copy of the License |
7 | // at http://www.opencascade.org and read it completely before using this file. |
8 | // |
9 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
10 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
11 | // |
12 | // The Original Code and all software distributed under the License is |
13 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
14 | // Initial Developer hereby disclaims all such warranties, including without |
15 | // limitation, any warranties of merchantability, fitness for a particular |
16 | // purpose or non-infringement. Please see the License for the specific terms |
17 | // and conditions governing the rights and limitations under the License. |
18 | |
7fd59977 |
19 | #include <DrawTrSurf_Surface.ixx> |
20 | #include <GeomTools_SurfaceSet.hxx> |
21 | #include <GeomAdaptor_HSurface.hxx> |
22 | #include <Adaptor3d_IsoCurve.hxx> |
23 | #include <Precision.hxx> |
24 | |
25 | Standard_Real DrawTrSurf_SurfaceLimit = 400; |
26 | |
27 | |
28 | //======================================================================= |
29 | //function : DrawTrSurf_Surface |
30 | //purpose : |
31 | //======================================================================= |
32 | |
33 | DrawTrSurf_Surface::DrawTrSurf_Surface (const Handle(Geom_Surface)& S) |
34 | : DrawTrSurf_Drawable (16, 0.01, 1) |
35 | { |
36 | surf = S; |
37 | boundsLook = Draw_jaune; |
38 | isosLook = Draw_bleu; |
39 | nbUIsos = 1; |
40 | nbVIsos = 1; |
41 | } |
42 | |
43 | |
44 | |
45 | |
46 | //======================================================================= |
47 | //function : DrawTrSurf_Surface |
48 | //purpose : |
49 | //======================================================================= |
50 | |
51 | DrawTrSurf_Surface::DrawTrSurf_Surface |
52 | (const Handle(Geom_Surface)& S, const Standard_Integer Nu, |
53 | const Standard_Integer Nv, |
54 | const Draw_Color& BoundsColor, const Draw_Color& IsosColor, |
55 | const Standard_Integer Discret, const Standard_Real Deflection, |
56 | const Standard_Integer DrawMode) |
57 | : DrawTrSurf_Drawable (Discret, Deflection, DrawMode) |
58 | { |
59 | surf = S; |
60 | boundsLook = BoundsColor; |
61 | isosLook = IsosColor; |
62 | nbUIsos = Abs(Nu); |
63 | nbVIsos = Abs(Nv); |
64 | } |
65 | |
66 | |
67 | |
68 | //======================================================================= |
69 | //function : DrawOn |
70 | //purpose : |
71 | //======================================================================= |
72 | |
73 | void DrawTrSurf_Surface::DrawOn (Draw_Display& dis) const |
74 | { |
75 | DrawOn(dis,Standard_True); |
76 | } |
77 | |
78 | //======================================================================= |
79 | //function : DrawOn |
80 | //purpose : |
81 | //======================================================================= |
82 | |
83 | void DrawTrSurf_Surface::DrawOn (Draw_Display& dis, |
84 | const Standard_Boolean Iso) const |
85 | { |
86 | Standard_Real UFirst, ULast, VFirst, VLast; |
87 | surf->Bounds (UFirst, ULast, VFirst, VLast); |
88 | |
89 | Standard_Boolean UfirstInf = Precision::IsNegativeInfinite(UFirst); |
90 | Standard_Boolean UlastInf = Precision::IsPositiveInfinite(ULast); |
91 | Standard_Boolean VfirstInf = Precision::IsNegativeInfinite(VFirst); |
92 | Standard_Boolean VlastInf = Precision::IsPositiveInfinite(VLast); |
93 | |
94 | if (UfirstInf || UlastInf) { |
95 | gp_Pnt P1,P2; |
96 | Standard_Real v; |
97 | if (VfirstInf && VlastInf) |
98 | v = 0; |
99 | else if (VfirstInf) |
100 | v = VLast; |
101 | else if (VlastInf) |
102 | v = VFirst; |
103 | else |
104 | v = (VFirst + VLast) / 2; |
105 | |
106 | Standard_Real delta = 1.; |
107 | |
108 | if (UfirstInf && UlastInf) { |
109 | do { |
110 | delta *= 2; |
111 | UFirst = - delta; |
112 | ULast = delta; |
113 | surf->D0(UFirst,v,P1); |
114 | surf->D0(ULast,v,P2); |
115 | } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit); |
116 | } |
117 | else if (UfirstInf) { |
118 | surf->D0(ULast,v,P2); |
119 | do { |
120 | delta *= 2; |
121 | UFirst = ULast - delta; |
122 | surf->D0(UFirst,v,P1); |
123 | } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit); |
124 | } |
125 | else if (UlastInf) { |
126 | surf->D0(UFirst,v,P1); |
127 | do { |
128 | delta *= 2; |
129 | ULast = UFirst + delta; |
130 | surf->D0(ULast,v,P2); |
131 | } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit); |
132 | } |
133 | } |
134 | |
135 | if (VfirstInf || VlastInf) { |
136 | gp_Pnt P1,P2; |
137 | Standard_Real u = (UFirst + ULast) /2 ; |
138 | |
139 | Standard_Real delta = 1.; |
140 | |
141 | if (VfirstInf && VlastInf) { |
142 | do { |
143 | delta *= 2; |
144 | VFirst = - delta; |
145 | VLast = delta; |
146 | surf->D0(u,VFirst,P1); |
147 | surf->D0(u,VLast,P2); |
148 | } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit); |
149 | } |
150 | else if (VfirstInf) { |
151 | surf->D0(u,VLast,P2); |
152 | do { |
153 | delta *= 2; |
154 | VFirst = VLast - delta; |
155 | surf->D0(u,VFirst,P1); |
156 | } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit); |
157 | } |
158 | else if (VlastInf) { |
159 | surf->D0(u,VFirst,P1); |
160 | do { |
161 | delta *= 2; |
162 | VLast = VFirst + delta; |
163 | surf->D0(u,VLast,P2); |
164 | } while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit); |
165 | } |
166 | } |
167 | |
168 | |
169 | Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface(); |
170 | HS->ChangeSurface().Load(surf,UFirst,ULast,VFirst,VLast); |
171 | |
172 | Adaptor3d_IsoCurve C(HS); |
173 | |
174 | if (Iso) { |
175 | dis.SetColor(isosLook); |
176 | Standard_Integer i, j; |
177 | |
178 | Standard_Real Du = (ULast - UFirst) / (nbUIsos + 1); |
179 | Standard_Real U = UFirst; |
180 | for (i = 1; i <= nbUIsos; i++) { |
181 | U += Du; |
182 | DrawIsoCurveOn(C,GeomAbs_IsoU,U,VFirst,VLast,dis); |
183 | } |
184 | |
185 | Standard_Real Dv = (VLast - VFirst) / (nbVIsos + 1); |
186 | Standard_Real V = VFirst; |
187 | for (j = 1; j <= nbVIsos; j++) { |
188 | V += Dv; |
189 | DrawIsoCurveOn(C,GeomAbs_IsoV,V,UFirst,ULast,dis); |
190 | } |
191 | } |
192 | |
193 | // draw bounds |
194 | dis.SetColor(boundsLook); |
195 | if (!UfirstInf) DrawIsoCurveOn(C,GeomAbs_IsoU,UFirst,VFirst,VLast,dis); |
196 | if (!UlastInf) DrawIsoCurveOn(C,GeomAbs_IsoU,ULast ,VFirst,VLast,dis); |
197 | if (!VfirstInf) DrawIsoCurveOn(C,GeomAbs_IsoV,VFirst,UFirst,ULast,dis); |
198 | if (!VlastInf) DrawIsoCurveOn(C,GeomAbs_IsoV,VLast ,UFirst,ULast,dis); |
199 | |
200 | // draw marker |
201 | DrawIsoCurveOn(C,GeomAbs_IsoU, |
202 | UFirst+(ULast-UFirst)/10., |
203 | VFirst, VFirst + (VLast-VFirst)/10., |
204 | dis); |
205 | } |
206 | |
207 | |
208 | |
209 | //======================================================================= |
210 | //function : ShowIsos |
211 | //purpose : |
212 | //======================================================================= |
213 | |
214 | void DrawTrSurf_Surface::ShowIsos ( const Standard_Integer Nu, |
215 | const Standard_Integer Nv) |
216 | { |
217 | nbUIsos = Abs(Nu); |
218 | nbVIsos = Abs(Nv); |
219 | } |
220 | |
221 | |
222 | //======================================================================= |
223 | //function : ClearIsos |
224 | //purpose : |
225 | //======================================================================= |
226 | |
227 | void DrawTrSurf_Surface::ClearIsos () |
228 | { |
229 | nbUIsos = 0; |
230 | nbVIsos = 0; |
231 | } |
232 | |
233 | |
234 | //======================================================================= |
235 | //function : Copy |
236 | //purpose : |
237 | //======================================================================= |
238 | |
239 | Handle(Draw_Drawable3D) DrawTrSurf_Surface::Copy() const |
240 | { |
241 | Handle(DrawTrSurf_Surface) DS = new DrawTrSurf_Surface |
242 | (Handle(Geom_Surface)::DownCast(surf->Copy()), |
243 | nbUIsos,nbVIsos,boundsLook,isosLook, |
244 | GetDiscretisation(),GetDeflection(),GetDrawMode()); |
245 | |
246 | return DS; |
247 | } |
248 | |
249 | |
250 | //======================================================================= |
251 | //function : Dump |
252 | //purpose : |
253 | //======================================================================= |
254 | |
255 | void DrawTrSurf_Surface::Dump(Standard_OStream& S)const |
256 | { |
257 | GeomTools_SurfaceSet::PrintSurface(surf,S); |
258 | } |
259 | |
260 | |
261 | //======================================================================= |
262 | //function : Whatis |
263 | //purpose : |
264 | //======================================================================= |
265 | |
266 | void DrawTrSurf_Surface::Whatis(Draw_Interpretor& S)const |
267 | { |
268 | S << "a surface"; |
269 | } |