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1 | // Copyright (c) 1995-1999 Matra Datavision |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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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 |
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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. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
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15 | /*********************************************************************** |
16 | |
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17 | FUNCTION : |
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18 | ---------- |
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19 | Class Visual3d_ContextView.cxx : |
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20 | |
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21 | Declaration of variables specific to view contexts. |
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22 | |
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23 | A view context is defined by : |
24 | - the activity of aliasing |
25 | - the activity of depth-cueing |
26 | - the activity of Z clipping |
27 | - the activity of defined light sources |
28 | - the required type of visualization |
29 | - the model of shading if required |
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30 | |
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31 | |
32 | ************************************************************************/ |
33 | |
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34 | /*----------------------------------------------------------------------*/ |
35 | /* |
36 | * Includes |
37 | */ |
38 | |
39 | #include <Visual3d_ContextView.ixx> |
40 | |
41 | /*----------------------------------------------------------------------*/ |
42 | |
43 | Visual3d_ContextView::Visual3d_ContextView (): |
44 | AliasingIsActive (Standard_False), |
45 | ZcueingIsActive (Standard_False), |
46 | FrontZclippingIsActive (Standard_False), |
47 | BackZclippingIsActive (Standard_False), |
48 | MyZclippingFrontPlane (Standard_ShortReal (1.0)), |
49 | MyZclippingBackPlane (Standard_ShortReal (0.0)), |
50 | MyDepthCueingFrontPlane (Standard_ShortReal (1.0)), |
51 | MyDepthCueingBackPlane (Standard_ShortReal (0.0)), |
52 | MyModel (Visual3d_TOM_NONE), |
53 | MyVisual (Visual3d_TOV_WIREFRAME), |
54 | MyLights (), |
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55 | MyTextureEnv(), |
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56 | MySurfaceDetail(Visual3d_TOD_ALL), |
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57 | myClipPlanes() |
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58 | { |
59 | } |
60 | |
61 | /*----------------------------------------------------------------------*/ |
62 | |
63 | void Visual3d_ContextView::SetAliasingOn () { |
64 | |
65 | AliasingIsActive = Standard_True; |
66 | |
67 | } |
68 | |
69 | void Visual3d_ContextView::SetAliasingOff () { |
70 | |
71 | AliasingIsActive = Standard_False; |
72 | |
73 | } |
74 | |
75 | Standard_Boolean Visual3d_ContextView::AliasingIsOn () const { |
76 | |
77 | return (AliasingIsActive); |
78 | |
79 | } |
80 | |
81 | void Visual3d_ContextView::SetZClippingOn () { |
82 | |
83 | BackZclippingIsActive = Standard_True; |
84 | FrontZclippingIsActive = Standard_True; |
85 | |
86 | } |
87 | |
88 | void Visual3d_ContextView::SetZClippingOff () { |
89 | |
90 | BackZclippingIsActive = Standard_False; |
91 | FrontZclippingIsActive = Standard_False; |
92 | |
93 | } |
94 | |
95 | Standard_Boolean Visual3d_ContextView::BackZClippingIsOn () const { |
96 | |
97 | return (BackZclippingIsActive); |
98 | |
99 | } |
100 | |
101 | void Visual3d_ContextView::SetBackZClippingOn () { |
102 | |
103 | BackZclippingIsActive = Standard_True; |
104 | |
105 | } |
106 | |
107 | void Visual3d_ContextView::SetBackZClippingOff () { |
108 | |
109 | BackZclippingIsActive = Standard_False; |
110 | |
111 | } |
112 | |
113 | Standard_Boolean Visual3d_ContextView::FrontZClippingIsOn () const { |
114 | |
115 | return (FrontZclippingIsActive); |
116 | |
117 | } |
118 | |
119 | void Visual3d_ContextView::SetFrontZClippingOn () { |
120 | |
121 | FrontZclippingIsActive = Standard_True; |
122 | |
123 | } |
124 | |
125 | void Visual3d_ContextView::SetFrontZClippingOff () { |
126 | |
127 | FrontZclippingIsActive = Standard_False; |
128 | |
129 | } |
130 | |
131 | void Visual3d_ContextView::SetZClippingFrontPlane (const Standard_Real AFront) { |
132 | |
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133 | MyZclippingFrontPlane = Standard_ShortReal (AFront); |
134 | |
135 | } |
136 | |
137 | Standard_Real Visual3d_ContextView::ZClippingFrontPlane () const { |
138 | |
139 | return (Standard_Real (MyZclippingFrontPlane)); |
140 | |
141 | } |
142 | |
143 | void Visual3d_ContextView::SetDepthCueingFrontPlane (const Standard_Real AFront) { |
144 | |
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145 | MyDepthCueingFrontPlane = Standard_ShortReal (AFront); |
146 | |
147 | } |
148 | |
149 | Standard_Real Visual3d_ContextView::DepthCueingFrontPlane () const { |
150 | |
151 | return (Standard_Real (MyDepthCueingFrontPlane)); |
152 | |
153 | } |
154 | |
155 | void Visual3d_ContextView::SetZClippingBackPlane (const Standard_Real ABack) { |
156 | |
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157 | MyZclippingBackPlane = Standard_ShortReal (ABack); |
158 | |
159 | } |
160 | |
161 | Standard_Real Visual3d_ContextView::ZClippingBackPlane () const { |
162 | |
163 | return (Standard_Real (MyZclippingBackPlane)); |
164 | |
165 | } |
166 | |
167 | void Visual3d_ContextView::SetDepthCueingBackPlane (const Standard_Real ABack) { |
168 | |
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169 | MyDepthCueingBackPlane = Standard_ShortReal (ABack); |
170 | |
171 | } |
172 | |
173 | Standard_Real Visual3d_ContextView::DepthCueingBackPlane () const { |
174 | |
175 | return (Standard_Real (MyDepthCueingBackPlane)); |
176 | |
177 | } |
178 | |
179 | void Visual3d_ContextView::SetDepthCueingOn () { |
180 | |
181 | ZcueingIsActive = Standard_True; |
182 | |
183 | } |
184 | |
185 | void Visual3d_ContextView::SetDepthCueingOff () { |
186 | |
187 | ZcueingIsActive = Standard_False; |
188 | |
189 | } |
190 | |
191 | Standard_Boolean Visual3d_ContextView::DepthCueingIsOn () const { |
192 | |
193 | return (ZcueingIsActive); |
194 | |
195 | } |
196 | |
197 | void Visual3d_ContextView::SetModel (const Visual3d_TypeOfModel AModel) { |
198 | |
199 | MyModel = AModel; |
200 | |
201 | } |
202 | |
203 | Visual3d_TypeOfModel Visual3d_ContextView::Model () const { |
204 | |
205 | return (MyModel); |
206 | |
207 | } |
208 | |
209 | void Visual3d_ContextView::SetVisualization (const Visual3d_TypeOfVisualization AVisual) { |
210 | |
211 | MyVisual = AVisual; |
212 | |
213 | } |
214 | |
215 | Visual3d_TypeOfVisualization Visual3d_ContextView::Visualization () const { |
216 | |
217 | return (MyVisual); |
218 | |
219 | } |
220 | |
221 | void Visual3d_ContextView::SetLightOn (const Handle(Visual3d_Light)& ALight) { |
222 | |
223 | Standard_Integer LengthL = MyLights.Length (); |
224 | Standard_Integer indexL = 0; |
225 | |
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226 | // Find light <ALight> in |
227 | // the sequence of already active lights |
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228 | for (Standard_Integer i=1; i<=LengthL && indexL==0; i++) |
229 | if ((void *) (MyLights.Value (i)) == |
230 | (void *) (ALight.operator->())) indexL = i; |
231 | |
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232 | // This is the activation of a new light |
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233 | if (indexL == 0) |
234 | MyLights.Append ((void *) ALight.operator->()); |
235 | |
236 | } |
237 | |
238 | void Visual3d_ContextView::SetLightOff (const Handle(Visual3d_Light)& ALight) { |
239 | |
240 | Standard_Integer LengthL = MyLights.Length (); |
241 | Standard_Integer indexL = 0; |
242 | |
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243 | // Find light <ALight> in |
244 | // the sequence of already active lights |
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245 | for (Standard_Integer i=1; i<=LengthL && indexL==0; i++) |
246 | if ((void *) (MyLights.Value (i)) == |
247 | (void *) (ALight.operator->())) indexL = i; |
248 | |
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249 | // This is the activation of a new light |
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250 | if (indexL != 0) MyLights.Remove (indexL); |
251 | |
252 | } |
253 | |
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254 | Handle(Visual3d_HSequenceOfLight) Visual3d_ContextView::ActivatedLights () const { |
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255 | |
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256 | Handle(Visual3d_HSequenceOfLight) SG = new Visual3d_HSequenceOfLight(); |
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257 | Standard_Integer Length = MyLights.Length (); |
258 | |
259 | for (Standard_Integer i=1; i<=Length; i++) |
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260 | SG->Append((Visual3d_Light *) (MyLights.Value (i))); |
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261 | |
262 | return (SG); |
263 | |
264 | } |
265 | |
266 | Standard_Integer Visual3d_ContextView::NumberOfActivatedLights () const { |
267 | |
268 | Standard_Integer Length = MyLights.Length (); |
269 | |
270 | return (Length); |
271 | |
272 | } |
273 | |
274 | Handle(Visual3d_Light) Visual3d_ContextView::ActivatedLight (const Standard_Integer AnIndex) const { |
275 | |
276 | return (Visual3d_Light *) (MyLights.Value (AnIndex)); |
277 | |
278 | } |
279 | |
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280 | void Visual3d_ContextView::SetSurfaceDetail(const Visual3d_TypeOfSurfaceDetail TOSD) |
281 | { |
282 | MySurfaceDetail = TOSD; |
283 | } |
284 | |
285 | |
286 | void Visual3d_ContextView::SetTextureEnv(const Handle(Graphic3d_TextureEnv)& ATexture) |
287 | { |
288 | MyTextureEnv = ATexture; |
289 | } |
290 | |
291 | |
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292 | Handle(Graphic3d_TextureEnv) Visual3d_ContextView::TextureEnv() const |
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293 | { |
294 | return MyTextureEnv; |
295 | } |
296 | |
297 | |
298 | Visual3d_TypeOfSurfaceDetail Visual3d_ContextView::SurfaceDetail() const |
299 | { |
300 | return MySurfaceDetail; |
301 | } |
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302 | |
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303 | //======================================================================= |
304 | //function : ClipPlanes |
305 | //purpose : |
306 | //======================================================================= |
307 | const Graphic3d_SequenceOfHClipPlane& Visual3d_ContextView::ClipPlanes() const |
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308 | { |
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309 | return myClipPlanes; |
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310 | } |
311 | |
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312 | //======================================================================= |
313 | //function : ChangeClipPlanes |
314 | //purpose : |
315 | //======================================================================= |
316 | Graphic3d_SequenceOfHClipPlane& Visual3d_ContextView::ChangeClipPlanes() |
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317 | { |
318 | return myClipPlanes; |
319 | } |